From 2c3c1048746a4622d8c89a29670120dc8fab93c4 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sun, 7 Apr 2024 20:49:45 +0200
Subject: Adding upstream version 6.1.76.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 tools/testing/selftests/bpf/.gitignore             |   48 +
 tools/testing/selftests/bpf/DENYLIST               |    6 +
 tools/testing/selftests/bpf/DENYLIST.s390x         |   77 +
 tools/testing/selftests/bpf/Makefile               |  618 ++
 tools/testing/selftests/bpf/Makefile.docs          |   83 +
 tools/testing/selftests/bpf/README.rst             |  268 +
 tools/testing/selftests/bpf/bench.c                |  650 ++
 tools/testing/selftests/bpf/bench.h                |  103 +
 .../selftests/bpf/benchs/bench_bloom_filter_map.c  |  482 ++
 .../bpf/benchs/bench_bpf_hashmap_full_update.c     |   96 +
 .../testing/selftests/bpf/benchs/bench_bpf_loop.c  |  105 +
 tools/testing/selftests/bpf/benchs/bench_count.c   |   91 +
 .../selftests/bpf/benchs/bench_local_storage.c     |  287 +
 .../benchs/bench_local_storage_rcu_tasks_trace.c   |  281 +
 tools/testing/selftests/bpf/benchs/bench_rename.c  |  178 +
 .../testing/selftests/bpf/benchs/bench_ringbufs.c  |  562 ++
 tools/testing/selftests/bpf/benchs/bench_strncmp.c |  161 +
 tools/testing/selftests/bpf/benchs/bench_trigger.c |  328 +
 .../bpf/benchs/run_bench_bloom_filter_map.sh       |   45 +
 .../benchs/run_bench_bpf_hashmap_full_update.sh    |   11 +
 .../selftests/bpf/benchs/run_bench_bpf_loop.sh     |   15 +
 .../bpf/benchs/run_bench_local_storage.sh          |   24 +
 .../run_bench_local_storage_rcu_tasks_trace.sh     |   11 +
 .../selftests/bpf/benchs/run_bench_rename.sh       |    9 +
 .../selftests/bpf/benchs/run_bench_ringbufs.sh     |   49 +
 .../selftests/bpf/benchs/run_bench_strncmp.sh      |   12 +
 .../selftests/bpf/benchs/run_bench_trigger.sh      |    9 +
 tools/testing/selftests/bpf/benchs/run_common.sh   |   92 +
 tools/testing/selftests/bpf/bpf_legacy.h           |   16 +
 tools/testing/selftests/bpf/bpf_rand.h             |   80 +
 tools/testing/selftests/bpf/bpf_sockopt_helpers.h  |   21 +
 tools/testing/selftests/bpf/bpf_tcp_helpers.h      |  241 +
 tools/testing/selftests/bpf/bpf_testmod/.gitignore |    6 +
 tools/testing/selftests/bpf/bpf_testmod/Makefile   |   20 +
 .../selftests/bpf/bpf_testmod/bpf_testmod-events.h |   57 +
 .../selftests/bpf/bpf_testmod/bpf_testmod.c        |  232 +
 .../selftests/bpf/bpf_testmod/bpf_testmod.h        |   25 +
 tools/testing/selftests/bpf/bpf_util.h             |   43 +
 tools/testing/selftests/bpf/btf_helpers.c          |  292 +
 tools/testing/selftests/bpf/btf_helpers.h          |   19 +
 tools/testing/selftests/bpf/cap_helpers.c          |   67 +
 tools/testing/selftests/bpf/cap_helpers.h          |   19 +
 .../selftests/bpf/cgroup_getset_retval_hooks.h     |   25 +
 tools/testing/selftests/bpf/cgroup_helpers.c       |  553 ++
 tools/testing/selftests/bpf/cgroup_helpers.h       |   36 +
 tools/testing/selftests/bpf/config                 |   74 +
 tools/testing/selftests/bpf/config.s390x           |  147 +
 tools/testing/selftests/bpf/config.x86_64          |  246 +
 tools/testing/selftests/bpf/flow_dissector_load.c  |  111 +
 tools/testing/selftests/bpf/flow_dissector_load.h  |   68 +
 tools/testing/selftests/bpf/get_cgroup_id_user.c   |  146 +
 tools/testing/selftests/bpf/gnu/stubs.h            |    1 +
 tools/testing/selftests/bpf/ima_setup.sh           |  156 +
 tools/testing/selftests/bpf/map_tests/.gitignore   |    2 +
 .../selftests/bpf/map_tests/array_map_batch_ops.c  |  165 +
 .../selftests/bpf/map_tests/htab_map_batch_ops.c   |  278 +
 .../bpf/map_tests/lpm_trie_map_batch_ops.c         |  155 +
 .../selftests/bpf/map_tests/map_in_map_batch_ops.c |  252 +
 .../selftests/bpf/map_tests/sk_storage_map.c       |  627 ++
 .../selftests/bpf/map_tests/task_storage_map.c     |  127 +
 tools/testing/selftests/bpf/netcnt_common.h        |   44 +
 tools/testing/selftests/bpf/network_helpers.c      |  470 ++
 tools/testing/selftests/bpf/network_helpers.h      |   69 +
 tools/testing/selftests/bpf/prog_tests/.gitignore  |    2 +
 tools/testing/selftests/bpf/prog_tests/align.c     |  696 ++
 .../testing/selftests/bpf/prog_tests/arg_parsing.c |  107 +
 .../selftests/bpf/prog_tests/atomic_bounds.c       |   17 +
 tools/testing/selftests/bpf/prog_tests/atomics.c   |  198 +
 .../selftests/bpf/prog_tests/attach_probe.c        |  228 +
 .../testing/selftests/bpf/prog_tests/autoattach.c  |   30 +
 tools/testing/selftests/bpf/prog_tests/autoload.c  |   41 +
 tools/testing/selftests/bpf/prog_tests/bind_perm.c |   95 +
 .../selftests/bpf/prog_tests/bloom_filter_map.c    |  213 +
 .../testing/selftests/bpf/prog_tests/bpf_cookie.c  |  526 ++
 tools/testing/selftests/bpf/prog_tests/bpf_iter.c  | 1641 ++++
 .../selftests/bpf/prog_tests/bpf_iter_setsockopt.c |  226 +
 .../bpf/prog_tests/bpf_iter_setsockopt_unix.c      |  100 +
 tools/testing/selftests/bpf/prog_tests/bpf_loop.c  |  207 +
 .../selftests/bpf/prog_tests/bpf_mod_race.c        |  230 +
 tools/testing/selftests/bpf/prog_tests/bpf_nf.c    |  182 +
 .../testing/selftests/bpf/prog_tests/bpf_obj_id.c  |  345 +
 .../testing/selftests/bpf/prog_tests/bpf_tcp_ca.c  |  402 +
 .../selftests/bpf/prog_tests/bpf_verif_scale.c     |  233 +
 tools/testing/selftests/bpf/prog_tests/btf.c       | 7873 ++++++++++++++++++++
 .../selftests/bpf/prog_tests/btf_dedup_split.c     |  438 ++
 tools/testing/selftests/bpf/prog_tests/btf_dump.c  |  905 +++
 .../testing/selftests/bpf/prog_tests/btf_endian.c  |   99 +
 .../selftests/bpf/prog_tests/btf_map_in_map.c      |  164 +
 .../testing/selftests/bpf/prog_tests/btf_module.c  |   34 +
 .../selftests/bpf/prog_tests/btf_skc_cls_ingress.c |  226 +
 tools/testing/selftests/bpf/prog_tests/btf_split.c |   97 +
 tools/testing/selftests/bpf/prog_tests/btf_tag.c   |  249 +
 tools/testing/selftests/bpf/prog_tests/btf_write.c |  506 ++
 tools/testing/selftests/bpf/prog_tests/cb_refs.c   |   48 +
 .../selftests/bpf/prog_tests/cg_storage_multi.c    |  393 +
 .../bpf/prog_tests/cgroup_attach_autodetach.c      |  111 +
 .../selftests/bpf/prog_tests/cgroup_attach_multi.c |  292 +
 .../bpf/prog_tests/cgroup_attach_override.c        |  148 +
 .../bpf/prog_tests/cgroup_getset_retval.c          |  529 ++
 .../bpf/prog_tests/cgroup_hierarchical_stats.c     |  339 +
 .../testing/selftests/bpf/prog_tests/cgroup_iter.c |  224 +
 .../testing/selftests/bpf/prog_tests/cgroup_link.c |  255 +
 .../bpf/prog_tests/cgroup_skb_sk_lookup.c          |   91 +
 .../testing/selftests/bpf/prog_tests/cgroup_v1v2.c |   79 +
 tools/testing/selftests/bpf/prog_tests/check_mtu.c |  206 +
 .../selftests/bpf/prog_tests/cls_redirect.c        |  499 ++
 .../selftests/bpf/prog_tests/connect_force_port.c  |  167 +
 .../selftests/bpf/prog_tests/connect_ping.c        |  178 +
 .../selftests/bpf/prog_tests/core_autosize.c       |  223 +
 .../testing/selftests/bpf/prog_tests/core_extern.c |  166 +
 tools/testing/selftests/bpf/prog_tests/core_kern.c |   28 +
 .../selftests/bpf/prog_tests/core_kern_overflow.c  |   13 +
 .../selftests/bpf/prog_tests/core_read_macros.c    |   64 +
 .../testing/selftests/bpf/prog_tests/core_reloc.c  | 1155 +++
 .../testing/selftests/bpf/prog_tests/core_retro.c  |   38 +
 tools/testing/selftests/bpf/prog_tests/cpu_mask.c  |   78 +
 .../selftests/bpf/prog_tests/custom_sec_handlers.c |  176 +
 tools/testing/selftests/bpf/prog_tests/d_path.c    |  191 +
 .../selftests/bpf/prog_tests/deny_namespace.c      |  102 +
 .../selftests/bpf/prog_tests/dummy_st_ops.c        |  135 +
 tools/testing/selftests/bpf/prog_tests/dynptr.c    |  138 +
 tools/testing/selftests/bpf/prog_tests/empty_skb.c |  146 +
 .../selftests/bpf/prog_tests/enable_stats.c        |   45 +
 tools/testing/selftests/bpf/prog_tests/endian.c    |   53 +
 tools/testing/selftests/bpf/prog_tests/exhandler.c |   43 +
 .../selftests/bpf/prog_tests/fentry_fexit.c        |   45 +
 .../testing/selftests/bpf/prog_tests/fentry_test.c |   58 +
 .../selftests/bpf/prog_tests/fexit_bpf2bpf.c       |  528 ++
 .../testing/selftests/bpf/prog_tests/fexit_sleep.c |   82 +
 .../selftests/bpf/prog_tests/fexit_stress.c        |   53 +
 .../testing/selftests/bpf/prog_tests/fexit_test.c  |   58 +
 tools/testing/selftests/bpf/prog_tests/find_vma.c  |  127 +
 .../selftests/bpf/prog_tests/flow_dissector.c      |  658 ++
 .../bpf/prog_tests/flow_dissector_load_bytes.c     |   51 +
 .../bpf/prog_tests/flow_dissector_reattach.c       |  678 ++
 tools/testing/selftests/bpf/prog_tests/for_each.c  |  154 +
 .../selftests/bpf/prog_tests/get_branch_snapshot.c |  130 +
 .../selftests/bpf/prog_tests/get_func_args_test.c  |   42 +
 .../selftests/bpf/prog_tests/get_func_ip_test.c    |   90 +
 .../selftests/bpf/prog_tests/get_stack_raw_tp.c    |  149 +
 .../bpf/prog_tests/get_stackid_cannot_attach.c     |   89 +
 .../testing/selftests/bpf/prog_tests/global_data.c |  157 +
 .../selftests/bpf/prog_tests/global_data_init.c    |   62 +
 .../selftests/bpf/prog_tests/global_func_args.c    |   62 +
 .../selftests/bpf/prog_tests/hash_large_key.c      |   43 +
 tools/testing/selftests/bpf/prog_tests/hashmap.c   |  377 +
 .../selftests/bpf/prog_tests/helper_restricted.c   |   31 +
 .../testing/selftests/bpf/prog_tests/htab_update.c |  126 +
 tools/testing/selftests/bpf/prog_tests/kfree_skb.c |  127 +
 .../testing/selftests/bpf/prog_tests/kfunc_call.c  |  320 +
 .../selftests/bpf/prog_tests/kfunc_dynptr_param.c  |  164 +
 .../selftests/bpf/prog_tests/kprobe_multi_test.c   |  475 ++
 tools/testing/selftests/bpf/prog_tests/ksyms.c     |   61 +
 tools/testing/selftests/bpf/prog_tests/ksyms_btf.c |  191 +
 .../selftests/bpf/prog_tests/ksyms_module.c        |   69 +
 tools/testing/selftests/bpf/prog_tests/l4lb_all.c  |   96 +
 .../selftests/bpf/prog_tests/legacy_printk.c       |   65 +
 .../selftests/bpf/prog_tests/libbpf_probes.c       |  124 +
 .../testing/selftests/bpf/prog_tests/libbpf_str.c  |  207 +
 .../selftests/bpf/prog_tests/link_pinning.c        |  104 +
 .../selftests/bpf/prog_tests/linked_funcs.c        |   48 +
 .../testing/selftests/bpf/prog_tests/linked_maps.c |   30 +
 .../testing/selftests/bpf/prog_tests/linked_vars.c |   43 +
 .../selftests/bpf/prog_tests/load_bytes_relative.c |   71 +
 tools/testing/selftests/bpf/prog_tests/log_buf.c   |  276 +
 tools/testing/selftests/bpf/prog_tests/log_fixup.c |  149 +
 .../selftests/bpf/prog_tests/lookup_and_delete.c   |  291 +
 .../testing/selftests/bpf/prog_tests/lookup_key.c  |  112 +
 tools/testing/selftests/bpf/prog_tests/lru_bug.c   |   21 +
 .../testing/selftests/bpf/prog_tests/lsm_cgroup.c  |  322 +
 tools/testing/selftests/bpf/prog_tests/map_init.c  |  214 +
 tools/testing/selftests/bpf/prog_tests/map_kptr.c  |  149 +
 tools/testing/selftests/bpf/prog_tests/map_lock.c  |   92 +
 .../bpf/prog_tests/map_lookup_percpu_elem.c        |   58 +
 tools/testing/selftests/bpf/prog_tests/map_ptr.c   |   45 +
 tools/testing/selftests/bpf/prog_tests/metadata.c  |  141 +
 .../selftests/bpf/prog_tests/migrate_reuseport.c   |  559 ++
 tools/testing/selftests/bpf/prog_tests/mmap.c      |  304 +
 .../selftests/bpf/prog_tests/modify_return.c       |   57 +
 .../selftests/bpf/prog_tests/module_attach.c       |  108 +
 tools/testing/selftests/bpf/prog_tests/mptcp.c     |  174 +
 tools/testing/selftests/bpf/prog_tests/netcnt.c    |   82 +
 .../selftests/bpf/prog_tests/netns_cookie.c        |   80 +
 .../selftests/bpf/prog_tests/ns_current_pid_tgid.c |   88 +
 tools/testing/selftests/bpf/prog_tests/obj_name.c  |   71 +
 .../selftests/bpf/prog_tests/pe_preserve_elems.c   |   66 +
 .../selftests/bpf/prog_tests/perf_branches.c       |  170 +
 .../testing/selftests/bpf/prog_tests/perf_buffer.c |  147 +
 .../selftests/bpf/prog_tests/perf_event_stackmap.c |  116 +
 tools/testing/selftests/bpf/prog_tests/perf_link.c |   90 +
 tools/testing/selftests/bpf/prog_tests/pinning.c   |  280 +
 .../testing/selftests/bpf/prog_tests/pkt_access.c  |   32 +
 .../selftests/bpf/prog_tests/pkt_md_access.c       |   25 +
 .../selftests/bpf/prog_tests/probe_read_user_str.c |   71 +
 .../testing/selftests/bpf/prog_tests/probe_user.c  |   87 +
 .../selftests/bpf/prog_tests/prog_array_init.c     |   32 +
 .../selftests/bpf/prog_tests/prog_run_opts.c       |   77 +
 .../bpf/prog_tests/prog_tests_framework.c          |   56 +
 .../selftests/bpf/prog_tests/queue_stack_map.c     |  108 +
 .../selftests/bpf/prog_tests/raw_tp_test_run.c     |   86 +
 .../raw_tp_writable_reject_nbd_invalid.c           |   42 +
 .../bpf/prog_tests/raw_tp_writable_test_run.c      |   82 +
 .../testing/selftests/bpf/prog_tests/rdonly_maps.c |   89 +
 tools/testing/selftests/bpf/prog_tests/recursion.c |   41 +
 .../selftests/bpf/prog_tests/reference_tracking.c  |   63 +
 .../selftests/bpf/prog_tests/resolve_btfids.c      |  167 +
 tools/testing/selftests/bpf/prog_tests/ringbuf.c   |  299 +
 .../selftests/bpf/prog_tests/ringbuf_multi.c       |  132 +
 .../selftests/bpf/prog_tests/section_names.c       |  215 +
 .../selftests/bpf/prog_tests/select_reuseport.c    |  870 +++
 .../testing/selftests/bpf/prog_tests/send_signal.c |  206 +
 .../bpf/prog_tests/send_signal_sched_switch.c      |   61 +
 .../selftests/bpf/prog_tests/setget_sockopt.c      |  125 +
 .../selftests/bpf/prog_tests/signal_pending.c      |   50 +
 tools/testing/selftests/bpf/prog_tests/sk_assign.c |  342 +
 tools/testing/selftests/bpf/prog_tests/sk_lookup.c | 1413 ++++
 .../selftests/bpf/prog_tests/sk_storage_tracing.c  |  135 +
 tools/testing/selftests/bpf/prog_tests/skb_ctx.c   |   91 +
 .../testing/selftests/bpf/prog_tests/skb_helpers.c |   30 +
 .../selftests/bpf/prog_tests/skb_load_bytes.c      |   45 +
 .../selftests/bpf/prog_tests/skc_to_unix_sock.c    |   54 +
 tools/testing/selftests/bpf/prog_tests/skeleton.c  |  133 +
 tools/testing/selftests/bpf/prog_tests/snprintf.c  |  127 +
 .../selftests/bpf/prog_tests/snprintf_btf.c        |   60 +
 .../testing/selftests/bpf/prog_tests/sock_fields.c |  402 +
 .../selftests/bpf/prog_tests/socket_cookie.c       |   76 +
 .../selftests/bpf/prog_tests/sockmap_basic.c       |  387 +
 .../selftests/bpf/prog_tests/sockmap_ktls.c        |  171 +
 .../selftests/bpf/prog_tests/sockmap_listen.c      | 2026 +++++
 tools/testing/selftests/bpf/prog_tests/sockopt.c   |  984 +++
 .../selftests/bpf/prog_tests/sockopt_inherit.c     |  233 +
 .../selftests/bpf/prog_tests/sockopt_multi.c       |  333 +
 .../selftests/bpf/prog_tests/sockopt_qos_to_cc.c   |   70 +
 .../testing/selftests/bpf/prog_tests/sockopt_sk.c  |  259 +
 tools/testing/selftests/bpf/prog_tests/spinlock.c  |   45 +
 .../selftests/bpf/prog_tests/stack_var_off.c       |   35 +
 .../selftests/bpf/prog_tests/stacktrace_build_id.c |  108 +
 .../bpf/prog_tests/stacktrace_build_id_nmi.c       |  137 +
 .../selftests/bpf/prog_tests/stacktrace_map.c      |   75 +
 .../bpf/prog_tests/stacktrace_map_raw_tp.c         |   64 +
 .../selftests/bpf/prog_tests/stacktrace_map_skip.c |   63 +
 .../selftests/bpf/prog_tests/static_linked.c       |   35 +
 tools/testing/selftests/bpf/prog_tests/subprogs.c  |   96 +
 .../testing/selftests/bpf/prog_tests/subskeleton.c |   78 +
 tools/testing/selftests/bpf/prog_tests/syscall.c   |   55 +
 tools/testing/selftests/bpf/prog_tests/tailcalls.c |  913 +++
 .../selftests/bpf/prog_tests/task_fd_query_rawtp.c |   75 +
 .../selftests/bpf/prog_tests/task_fd_query_tp.c    |   77 +
 .../selftests/bpf/prog_tests/task_local_storage.c  |   92 +
 .../selftests/bpf/prog_tests/task_pt_regs.c        |   50 +
 tools/testing/selftests/bpf/prog_tests/tc_bpf.c    |  395 +
 .../testing/selftests/bpf/prog_tests/tc_redirect.c | 1149 +++
 .../testing/selftests/bpf/prog_tests/tcp_estats.c  |   15 +
 .../selftests/bpf/prog_tests/tcp_hdr_options.c     |  561 ++
 tools/testing/selftests/bpf/prog_tests/tcp_rtt.c   |  164 +
 .../testing/selftests/bpf/prog_tests/tcpbpf_user.c |  137 +
 .../bpf/prog_tests/test_bpf_syscall_macro.c        |   73 +
 .../testing/selftests/bpf/prog_tests/test_bpffs.c  |  159 +
 .../selftests/bpf/prog_tests/test_bprm_opts.c      |  108 +
 .../selftests/bpf/prog_tests/test_global_funcs.c   |  104 +
 tools/testing/selftests/bpf/prog_tests/test_ima.c  |  227 +
 .../selftests/bpf/prog_tests/test_local_storage.c  |  184 +
 tools/testing/selftests/bpf/prog_tests/test_lsm.c  |  115 +
 .../selftests/bpf/prog_tests/test_overhead.c       |  148 +
 .../selftests/bpf/prog_tests/test_profiler.c       |   72 +
 .../selftests/bpf/prog_tests/test_skb_pkt_end.c    |   44 +
 .../selftests/bpf/prog_tests/test_strncmp.c        |  148 +
 .../testing/selftests/bpf/prog_tests/test_tunnel.c |  436 ++
 tools/testing/selftests/bpf/prog_tests/time_tai.c  |   74 +
 tools/testing/selftests/bpf/prog_tests/timer.c     |   55 +
 .../testing/selftests/bpf/prog_tests/timer_crash.c |   32 +
 tools/testing/selftests/bpf/prog_tests/timer_mim.c |   76 +
 .../selftests/bpf/prog_tests/tp_attach_query.c     |  135 +
 tools/testing/selftests/bpf/prog_tests/trace_ext.c |  115 +
 .../selftests/bpf/prog_tests/trace_printk.c        |   72 +
 .../selftests/bpf/prog_tests/trace_vprintk.c       |   68 +
 .../selftests/bpf/prog_tests/tracing_struct.c      |   64 +
 .../selftests/bpf/prog_tests/trampoline_count.c    |   94 +
 tools/testing/selftests/bpf/prog_tests/udp_limit.c |   70 +
 .../selftests/bpf/prog_tests/unpriv_bpf_disabled.c |  312 +
 .../selftests/bpf/prog_tests/uprobe_autoattach.c   |   50 +
 tools/testing/selftests/bpf/prog_tests/usdt.c      |  419 ++
 .../selftests/bpf/prog_tests/user_ringbuf.c        |  754 ++
 tools/testing/selftests/bpf/prog_tests/varlen.c    |   75 +
 .../testing/selftests/bpf/prog_tests/verif_stats.c |   28 +
 .../selftests/bpf/prog_tests/verify_pkcs7_sig.c    |  399 +
 tools/testing/selftests/bpf/prog_tests/vmlinux.c   |   43 +
 tools/testing/selftests/bpf/prog_tests/xdp.c       |   54 +
 .../selftests/bpf/prog_tests/xdp_adjust_frags.c    |  146 +
 .../selftests/bpf/prog_tests/xdp_adjust_tail.c     |  281 +
 .../testing/selftests/bpf/prog_tests/xdp_attach.c  |   87 +
 .../testing/selftests/bpf/prog_tests/xdp_bonding.c |  578 ++
 .../testing/selftests/bpf/prog_tests/xdp_bpf2bpf.c |  161 +
 .../bpf/prog_tests/xdp_context_test_run.c          |  105 +
 .../selftests/bpf/prog_tests/xdp_cpumap_attach.c   |  121 +
 .../selftests/bpf/prog_tests/xdp_devmap_attach.c   |  137 +
 .../selftests/bpf/prog_tests/xdp_do_redirect.c     |  205 +
 tools/testing/selftests/bpf/prog_tests/xdp_info.c  |   68 +
 tools/testing/selftests/bpf/prog_tests/xdp_link.c  |  150 +
 .../selftests/bpf/prog_tests/xdp_noinline.c        |   73 +
 tools/testing/selftests/bpf/prog_tests/xdp_perf.c  |   28 +
 .../selftests/bpf/prog_tests/xdp_synproxy.c        |  183 +
 tools/testing/selftests/bpf/prog_tests/xdpwall.c   |   15 +
 tools/testing/selftests/bpf/progs/atomic_bounds.c  |   24 +
 tools/testing/selftests/bpf/progs/atomics.c        |  170 +
 tools/testing/selftests/bpf/progs/bind4_prog.c     |  159 +
 tools/testing/selftests/bpf/progs/bind6_prog.c     |  176 +
 tools/testing/selftests/bpf/progs/bind_perm.c      |   45 +
 .../selftests/bpf/progs/bloom_filter_bench.c       |  154 +
 .../testing/selftests/bpf/progs/bloom_filter_map.c |   83 +
 tools/testing/selftests/bpf/progs/bpf_cubic.c      |  539 ++
 tools/testing/selftests/bpf/progs/bpf_dctcp.c      |  258 +
 .../selftests/bpf/progs/bpf_dctcp_release.c        |   26 +
 tools/testing/selftests/bpf/progs/bpf_flow.c       |  437 ++
 .../bpf/progs/bpf_hashmap_full_update_bench.c      |   40 +
 tools/testing/selftests/bpf/progs/bpf_iter.h       |  167 +
 .../selftests/bpf/progs/bpf_iter_bpf_array_map.c   |   40 +
 .../selftests/bpf/progs/bpf_iter_bpf_hash_map.c    |  123 +
 .../selftests/bpf/progs/bpf_iter_bpf_link.c        |   21 +
 .../testing/selftests/bpf/progs/bpf_iter_bpf_map.c |   27 +
 .../bpf/progs/bpf_iter_bpf_percpu_array_map.c      |   46 +
 .../bpf/progs/bpf_iter_bpf_percpu_hash_map.c       |   50 +
 .../bpf/progs/bpf_iter_bpf_sk_storage_helpers.c    |   65 +
 .../bpf/progs/bpf_iter_bpf_sk_storage_map.c        |   52 +
 .../selftests/bpf/progs/bpf_iter_ipv6_route.c      |   56 +
 tools/testing/selftests/bpf/progs/bpf_iter_ksym.c  |   74 +
 .../testing/selftests/bpf/progs/bpf_iter_netlink.c |   63 +
 .../selftests/bpf/progs/bpf_iter_setsockopt.c      |   72 +
 .../selftests/bpf/progs/bpf_iter_setsockopt_unix.c |   60 +
 .../testing/selftests/bpf/progs/bpf_iter_sockmap.c |   59 +
 tools/testing/selftests/bpf/progs/bpf_iter_task.c  |   88 +
 .../selftests/bpf/progs/bpf_iter_task_btf.c        |   49 +
 .../selftests/bpf/progs/bpf_iter_task_file.c       |   40 +
 .../selftests/bpf/progs/bpf_iter_task_stack.c      |   68 +
 .../selftests/bpf/progs/bpf_iter_task_vma.c        |   62 +
 tools/testing/selftests/bpf/progs/bpf_iter_tcp4.c  |  233 +
 tools/testing/selftests/bpf/progs/bpf_iter_tcp6.c  |  249 +
 .../selftests/bpf/progs/bpf_iter_test_kern1.c      |    4 +
 .../selftests/bpf/progs/bpf_iter_test_kern2.c      |    4 +
 .../selftests/bpf/progs/bpf_iter_test_kern3.c      |   18 +
 .../selftests/bpf/progs/bpf_iter_test_kern4.c      |   52 +
 .../selftests/bpf/progs/bpf_iter_test_kern5.c      |   35 +
 .../selftests/bpf/progs/bpf_iter_test_kern6.c      |   21 +
 .../bpf/progs/bpf_iter_test_kern_common.h          |   22 +
 tools/testing/selftests/bpf/progs/bpf_iter_udp4.c  |   70 +
 tools/testing/selftests/bpf/progs/bpf_iter_udp6.c  |   78 +
 tools/testing/selftests/bpf/progs/bpf_iter_unix.c  |   80 +
 .../selftests/bpf/progs/bpf_iter_vma_offset.c      |   37 +
 tools/testing/selftests/bpf/progs/bpf_loop.c       |  227 +
 tools/testing/selftests/bpf/progs/bpf_loop_bench.c |   30 +
 tools/testing/selftests/bpf/progs/bpf_misc.h       |   19 +
 tools/testing/selftests/bpf/progs/bpf_mod_race.c   |  100 +
 .../selftests/bpf/progs/bpf_syscall_macro.c        |   84 +
 tools/testing/selftests/bpf/progs/bpf_tcp_nogpl.c  |   19 +
 .../testing/selftests/bpf/progs/bpf_tracing_net.h  |   92 +
 tools/testing/selftests/bpf/progs/bprm_opts.c      |   34 +
 .../selftests/bpf/progs/btf__core_reloc_arrays.c   |    3 +
 .../progs/btf__core_reloc_arrays___diff_arr_dim.c  |    3 +
 .../btf__core_reloc_arrays___diff_arr_val_sz.c     |    3 +
 .../btf__core_reloc_arrays___equiv_zero_sz_arr.c   |    3 +
 .../btf__core_reloc_arrays___err_bad_zero_sz_arr.c |    3 +
 .../progs/btf__core_reloc_arrays___err_non_array.c |    3 +
 .../btf__core_reloc_arrays___err_too_shallow.c     |    3 +
 .../progs/btf__core_reloc_arrays___err_too_small.c |    3 +
 .../btf__core_reloc_arrays___err_wrong_val_type.c  |    3 +
 .../bpf/progs/btf__core_reloc_arrays___fixed_arr.c |    3 +
 .../bpf/progs/btf__core_reloc_bitfields.c          |    3 +
 .../btf__core_reloc_bitfields___bit_sz_change.c    |    3 +
 .../btf__core_reloc_bitfields___bitfield_vs_int.c  |    3 +
 ...__core_reloc_bitfields___err_too_big_bitfield.c |    3 +
 .../btf__core_reloc_bitfields___just_big_enough.c  |    3 +
 .../bpf/progs/btf__core_reloc_enum64val.c          |    3 +
 .../bpf/progs/btf__core_reloc_enum64val___diff.c   |    3 +
 .../btf__core_reloc_enum64val___err_missing.c      |    3 +
 .../btf__core_reloc_enum64val___val3_missing.c     |    3 +
 .../selftests/bpf/progs/btf__core_reloc_enumval.c  |    3 +
 .../bpf/progs/btf__core_reloc_enumval___diff.c     |    3 +
 .../progs/btf__core_reloc_enumval___err_missing.c  |    3 +
 .../progs/btf__core_reloc_enumval___val3_missing.c |    3 +
 .../bpf/progs/btf__core_reloc_existence.c          |    3 +
 .../progs/btf__core_reloc_existence___minimal.c    |    3 +
 .../btf__core_reloc_existence___wrong_field_defs.c |    3 +
 .../selftests/bpf/progs/btf__core_reloc_flavors.c  |    3 +
 .../btf__core_reloc_flavors__err_wrong_name.c      |    3 +
 .../selftests/bpf/progs/btf__core_reloc_ints.c     |    3 +
 .../bpf/progs/btf__core_reloc_ints___bool.c        |    3 +
 .../progs/btf__core_reloc_ints___reverse_sign.c    |    3 +
 .../selftests/bpf/progs/btf__core_reloc_misc.c     |    5 +
 .../selftests/bpf/progs/btf__core_reloc_mods.c     |    3 +
 .../bpf/progs/btf__core_reloc_mods___mod_swap.c    |    3 +
 .../bpf/progs/btf__core_reloc_mods___typedefs.c    |    3 +
 .../selftests/bpf/progs/btf__core_reloc_nesting.c  |    3 +
 .../progs/btf__core_reloc_nesting___anon_embed.c   |    3 +
 .../btf__core_reloc_nesting___dup_compat_types.c   |    5 +
 ...btf__core_reloc_nesting___err_array_container.c |    3 +
 .../btf__core_reloc_nesting___err_array_field.c    |    3 +
 ...__core_reloc_nesting___err_dup_incompat_types.c |    4 +
 ...f__core_reloc_nesting___err_missing_container.c |    3 +
 .../btf__core_reloc_nesting___err_missing_field.c  |    3 +
 ..._core_reloc_nesting___err_nonstruct_container.c |    3 +
 ...__core_reloc_nesting___err_partial_match_dups.c |    4 +
 .../progs/btf__core_reloc_nesting___err_too_deep.c |    3 +
 .../btf__core_reloc_nesting___extra_nesting.c      |    3 +
 .../btf__core_reloc_nesting___struct_union_mixup.c |    3 +
 .../bpf/progs/btf__core_reloc_primitives.c         |    3 +
 .../btf__core_reloc_primitives___diff_enum_def.c   |    3 +
 .../btf__core_reloc_primitives___diff_func_proto.c |    3 +
 .../btf__core_reloc_primitives___diff_ptr_type.c   |    3 +
 .../btf__core_reloc_primitives___err_non_enum.c    |    3 +
 .../btf__core_reloc_primitives___err_non_int.c     |    3 +
 .../btf__core_reloc_primitives___err_non_ptr.c     |    3 +
 .../bpf/progs/btf__core_reloc_ptr_as_arr.c         |    3 +
 .../progs/btf__core_reloc_ptr_as_arr___diff_sz.c   |    3 +
 .../selftests/bpf/progs/btf__core_reloc_size.c     |    3 +
 .../bpf/progs/btf__core_reloc_size___diff_offs.c   |    3 +
 .../bpf/progs/btf__core_reloc_size___diff_sz.c     |    3 +
 .../progs/btf__core_reloc_size___err_ambiguous.c   |    4 +
 .../bpf/progs/btf__core_reloc_type_based.c         |    3 +
 .../btf__core_reloc_type_based___all_missing.c     |    3 +
 .../bpf/progs/btf__core_reloc_type_based___diff.c  |    3 +
 .../progs/btf__core_reloc_type_based___diff_sz.c   |    3 +
 .../btf__core_reloc_type_based___fn_wrong_args.c   |    3 +
 .../progs/btf__core_reloc_type_based___incompat.c  |    3 +
 .../selftests/bpf/progs/btf__core_reloc_type_id.c  |    3 +
 .../btf__core_reloc_type_id___missing_targets.c    |    3 +
 tools/testing/selftests/bpf/progs/btf_data.c       |   50 +
 .../bpf/progs/btf_dump_test_case_bitfields.c       |   92 +
 .../bpf/progs/btf_dump_test_case_multidim.c        |   35 +
 .../bpf/progs/btf_dump_test_case_namespacing.c     |   73 +
 .../bpf/progs/btf_dump_test_case_ordering.c        |   63 +
 .../bpf/progs/btf_dump_test_case_packing.c         |  153 +
 .../bpf/progs/btf_dump_test_case_padding.c         |  249 +
 .../bpf/progs/btf_dump_test_case_syntax.c          |  244 +
 tools/testing/selftests/bpf/progs/btf_ptr.h        |   27 +
 tools/testing/selftests/bpf/progs/btf_type_tag.c   |   25 +
 .../selftests/bpf/progs/btf_type_tag_percpu.c      |   66 +
 .../selftests/bpf/progs/btf_type_tag_user.c        |   40 +
 tools/testing/selftests/bpf/progs/cb_refs.c        |  116 +
 .../testing/selftests/bpf/progs/cg_storage_multi.h |   13 +
 .../bpf/progs/cg_storage_multi_egress_only.c       |   33 +
 .../bpf/progs/cg_storage_multi_isolated.c          |   57 +
 .../selftests/bpf/progs/cg_storage_multi_shared.c  |   57 +
 .../bpf/progs/cgroup_getset_retval_getsockopt.c    |   45 +
 .../bpf/progs/cgroup_getset_retval_hooks.c         |   16 +
 .../bpf/progs/cgroup_getset_retval_setsockopt.c    |   52 +
 .../bpf/progs/cgroup_hierarchical_stats.c          |  155 +
 tools/testing/selftests/bpf/progs/cgroup_iter.c    |   39 +
 .../bpf/progs/cgroup_skb_sk_lookup_kern.c          |   96 +
 .../testing/selftests/bpf/progs/connect4_dropper.c |   26 +
 tools/testing/selftests/bpf/progs/connect4_prog.c  |  200 +
 tools/testing/selftests/bpf/progs/connect6_prog.c  |   93 +
 .../selftests/bpf/progs/connect_force_port4.c      |   90 +
 .../selftests/bpf/progs/connect_force_port6.c      |  101 +
 tools/testing/selftests/bpf/progs/connect_ping.c   |   53 +
 tools/testing/selftests/bpf/progs/core_kern.c      |  120 +
 .../selftests/bpf/progs/core_kern_overflow.c       |   22 +
 .../testing/selftests/bpf/progs/core_reloc_types.h | 1353 ++++
 tools/testing/selftests/bpf/progs/dev_cgroup.c     |   59 +
 tools/testing/selftests/bpf/progs/dummy_st_ops.c   |   50 +
 tools/testing/selftests/bpf/progs/dynptr_fail.c    |  624 ++
 tools/testing/selftests/bpf/progs/dynptr_success.c |  164 +
 tools/testing/selftests/bpf/progs/empty_skb.c      |   37 +
 tools/testing/selftests/bpf/progs/exhandler_kern.c |   52 +
 tools/testing/selftests/bpf/progs/fentry_test.c    |   79 +
 tools/testing/selftests/bpf/progs/fexit_bpf2bpf.c  |  181 +
 .../selftests/bpf/progs/fexit_bpf2bpf_simple.c     |   27 +
 tools/testing/selftests/bpf/progs/fexit_sleep.c    |   32 +
 tools/testing/selftests/bpf/progs/fexit_test.c     |   80 +
 tools/testing/selftests/bpf/progs/find_vma.c       |   69 +
 tools/testing/selftests/bpf/progs/find_vma_fail1.c |   30 +
 tools/testing/selftests/bpf/progs/find_vma_fail2.c |   29 +
 .../selftests/bpf/progs/fmod_ret_freplace.c        |   14 +
 .../selftests/bpf/progs/for_each_array_map_elem.c  |   73 +
 .../selftests/bpf/progs/for_each_hash_map_elem.c   |   95 +
 .../bpf/progs/for_each_map_elem_write_key.c        |   27 +
 .../selftests/bpf/progs/freplace_attach_probe.c    |   40 +
 .../selftests/bpf/progs/freplace_cls_redirect.c    |   34 +
 .../selftests/bpf/progs/freplace_connect4.c        |   18 +
 .../selftests/bpf/progs/freplace_connect_v4_prog.c |   19 +
 .../selftests/bpf/progs/freplace_get_constant.c    |   15 +
 .../selftests/bpf/progs/freplace_global_func.c     |   18 +
 .../selftests/bpf/progs/get_branch_snapshot.c      |   40 +
 .../selftests/bpf/progs/get_cgroup_id_kern.c       |   39 +
 .../selftests/bpf/progs/get_func_args_test.c       |  123 +
 .../testing/selftests/bpf/progs/get_func_ip_test.c |   85 +
 tools/testing/selftests/bpf/progs/htab_update.c    |   29 +
 tools/testing/selftests/bpf/progs/ima.c            |  103 +
 tools/testing/selftests/bpf/progs/kfree_skb.c      |  153 +
 .../selftests/bpf/progs/kfunc_call_destructive.c   |   14 +
 .../testing/selftests/bpf/progs/kfunc_call_fail.c  |  160 +
 .../testing/selftests/bpf/progs/kfunc_call_race.c  |   14 +
 .../testing/selftests/bpf/progs/kfunc_call_test.c  |  166 +
 .../selftests/bpf/progs/kfunc_call_test_subprog.c  |   42 +
 tools/testing/selftests/bpf/progs/kprobe_multi.c   |  112 +
 .../selftests/bpf/progs/kprobe_multi_empty.c       |   12 +
 tools/testing/selftests/bpf/progs/ksym_race.c      |   13 +
 tools/testing/selftests/bpf/progs/linked_funcs1.c  |   86 +
 tools/testing/selftests/bpf/progs/linked_funcs2.c  |   86 +
 tools/testing/selftests/bpf/progs/linked_maps1.c   |   82 +
 tools/testing/selftests/bpf/progs/linked_maps2.c   |   76 +
 tools/testing/selftests/bpf/progs/linked_vars1.c   |   54 +
 tools/testing/selftests/bpf/progs/linked_vars2.c   |   55 +
 .../selftests/bpf/progs/load_bytes_relative.c      |   48 +
 tools/testing/selftests/bpf/progs/local_storage.c  |  188 +
 .../selftests/bpf/progs/local_storage_bench.c      |  104 +
 .../progs/local_storage_rcu_tasks_trace_bench.c    |   67 +
 tools/testing/selftests/bpf/progs/loop1.c          |   29 +
 tools/testing/selftests/bpf/progs/loop2.c          |   29 +
 tools/testing/selftests/bpf/progs/loop3.c          |   23 +
 tools/testing/selftests/bpf/progs/loop4.c          |   18 +
 tools/testing/selftests/bpf/progs/loop5.c          |   31 +
 tools/testing/selftests/bpf/progs/loop6.c          |   99 +
 tools/testing/selftests/bpf/progs/lru_bug.c        |   49 +
 tools/testing/selftests/bpf/progs/lsm.c            |  180 +
 tools/testing/selftests/bpf/progs/lsm_cgroup.c     |  188 +
 .../selftests/bpf/progs/lsm_cgroup_nonvoid.c       |   14 +
 tools/testing/selftests/bpf/progs/map_kptr.c       |  294 +
 tools/testing/selftests/bpf/progs/map_kptr_fail.c  |  418 ++
 tools/testing/selftests/bpf/progs/map_ptr_kern.c   |  698 ++
 .../testing/selftests/bpf/progs/metadata_unused.c  |   15 +
 tools/testing/selftests/bpf/progs/metadata_used.c  |   15 +
 tools/testing/selftests/bpf/progs/modify_return.c  |   49 +
 tools/testing/selftests/bpf/progs/mptcp_sock.c     |   88 +
 tools/testing/selftests/bpf/progs/netcnt_prog.c    |   70 +
 .../selftests/bpf/progs/netif_receive_skb.c        |  256 +
 .../selftests/bpf/progs/netns_cookie_prog.c        |   84 +
 .../selftests/bpf/progs/perf_event_stackmap.c      |   59 +
 tools/testing/selftests/bpf/progs/perfbuf_bench.c  |   34 +
 tools/testing/selftests/bpf/progs/profiler.h       |  177 +
 tools/testing/selftests/bpf/progs/profiler.inc.h   |  977 +++
 tools/testing/selftests/bpf/progs/profiler1.c      |    5 +
 tools/testing/selftests/bpf/progs/profiler2.c      |    6 +
 tools/testing/selftests/bpf/progs/profiler3.c      |    6 +
 tools/testing/selftests/bpf/progs/pyperf.h         |  351 +
 tools/testing/selftests/bpf/progs/pyperf100.c      |    4 +
 tools/testing/selftests/bpf/progs/pyperf180.c      |    4 +
 tools/testing/selftests/bpf/progs/pyperf50.c       |    4 +
 tools/testing/selftests/bpf/progs/pyperf600.c      |   12 +
 .../selftests/bpf/progs/pyperf600_bpf_loop.c       |    6 +
 .../selftests/bpf/progs/pyperf600_nounroll.c       |    8 +
 tools/testing/selftests/bpf/progs/pyperf_global.c  |    5 +
 .../testing/selftests/bpf/progs/pyperf_subprogs.c  |    5 +
 .../bpf/progs/read_bpf_task_storage_busy.c         |   39 +
 tools/testing/selftests/bpf/progs/recursion.c      |   43 +
 tools/testing/selftests/bpf/progs/recvmsg4_prog.c  |   42 +
 tools/testing/selftests/bpf/progs/recvmsg6_prog.c  |   48 +
 tools/testing/selftests/bpf/progs/ringbuf_bench.c  |   61 +
 .../testing/selftests/bpf/progs/sample_map_ret0.c  |   34 +
 tools/testing/selftests/bpf/progs/sample_ret0.c    |    7 +
 tools/testing/selftests/bpf/progs/sendmsg4_prog.c  |   54 +
 tools/testing/selftests/bpf/progs/sendmsg6_prog.c  |   62 +
 tools/testing/selftests/bpf/progs/setget_sockopt.c |  395 +
 tools/testing/selftests/bpf/progs/skb_load_bytes.c |   19 +
 tools/testing/selftests/bpf/progs/skb_pkt_end.c    |   53 +
 .../selftests/bpf/progs/socket_cookie_prog.c       |   99 +
 .../selftests/bpf/progs/sockmap_parse_prog.c       |   33 +
 .../selftests/bpf/progs/sockmap_tcp_msg_prog.c     |   12 +
 .../selftests/bpf/progs/sockmap_verdict_prog.c     |   63 +
 .../testing/selftests/bpf/progs/sockopt_inherit.c  |   96 +
 tools/testing/selftests/bpf/progs/sockopt_multi.c  |   70 +
 .../selftests/bpf/progs/sockopt_qos_to_cc.c        |   39 +
 tools/testing/selftests/bpf/progs/sockopt_sk.c     |  227 +
 .../selftests/bpf/progs/stacktrace_map_skip.c      |   68 +
 tools/testing/selftests/bpf/progs/strncmp_bench.c  |   50 +
 tools/testing/selftests/bpf/progs/strncmp_test.c   |   54 +
 tools/testing/selftests/bpf/progs/strobemeta.c     |   10 +
 tools/testing/selftests/bpf/progs/strobemeta.h     |  616 ++
 .../selftests/bpf/progs/strobemeta_bpf_loop.c      |    9 +
 .../selftests/bpf/progs/strobemeta_nounroll1.c     |    9 +
 .../selftests/bpf/progs/strobemeta_nounroll2.c     |    9 +
 .../selftests/bpf/progs/strobemeta_subprogs.c      |   10 +
 tools/testing/selftests/bpf/progs/syscall.c        |  121 +
 tools/testing/selftests/bpf/progs/tailcall1.c      |   47 +
 tools/testing/selftests/bpf/progs/tailcall2.c      |   58 +
 tools/testing/selftests/bpf/progs/tailcall3.c      |   30 +
 tools/testing/selftests/bpf/progs/tailcall4.c      |   32 +
 tools/testing/selftests/bpf/progs/tailcall5.c      |   39 +
 tools/testing/selftests/bpf/progs/tailcall6.c      |   34 +
 .../selftests/bpf/progs/tailcall_bpf2bpf1.c        |   37 +
 .../selftests/bpf/progs/tailcall_bpf2bpf2.c        |   40 +
 .../selftests/bpf/progs/tailcall_bpf2bpf3.c        |   60 +
 .../selftests/bpf/progs/tailcall_bpf2bpf4.c        |   78 +
 .../selftests/bpf/progs/tailcall_bpf2bpf6.c        |   42 +
 .../selftests/bpf/progs/task_local_storage.c       |   64 +
 .../bpf/progs/task_local_storage_exit_creds.c      |   32 +
 .../selftests/bpf/progs/task_ls_recursion.c        |   70 +
 .../selftests/bpf/progs/tcp_ca_incompl_cong_ops.c  |   35 +
 .../selftests/bpf/progs/tcp_ca_unsupp_cong_op.c    |   21 +
 .../selftests/bpf/progs/tcp_ca_write_sk_pacing.c   |   60 +
 tools/testing/selftests/bpf/progs/tcp_rtt.c        |   59 +
 .../selftests/bpf/progs/test_attach_probe.c        |  155 +
 .../testing/selftests/bpf/progs/test_autoattach.c  |   23 +
 tools/testing/selftests/bpf/progs/test_autoload.c  |   40 +
 .../testing/selftests/bpf/progs/test_bpf_cookie.c  |  121 +
 tools/testing/selftests/bpf/progs/test_bpf_nf.c    |  238 +
 .../testing/selftests/bpf/progs/test_bpf_nf_fail.c |  148 +
 .../selftests/bpf/progs/test_btf_decl_tag.c        |   50 +
 .../selftests/bpf/progs/test_btf_map_in_map.c      |  150 +
 tools/testing/selftests/bpf/progs/test_btf_newkv.c |   46 +
 tools/testing/selftests/bpf/progs/test_btf_nokv.c  |   45 +
 .../selftests/bpf/progs/test_btf_skc_cls_ingress.c |  174 +
 .../testing/selftests/bpf/progs/test_cgroup_link.c |   24 +
 tools/testing/selftests/bpf/progs/test_check_mtu.c |  290 +
 .../selftests/bpf/progs/test_cls_redirect.c        | 1075 +++
 .../selftests/bpf/progs/test_cls_redirect.h        |   63 +
 .../bpf/progs/test_cls_redirect_subprogs.c         |    2 +
 .../selftests/bpf/progs/test_core_autosize.c       |  182 +
 .../testing/selftests/bpf/progs/test_core_extern.c |   65 +
 .../selftests/bpf/progs/test_core_read_macros.c    |   50 +
 .../selftests/bpf/progs/test_core_reloc_arrays.c   |   58 +
 .../bpf/progs/test_core_reloc_bitfields_direct.c   |   63 +
 .../bpf/progs/test_core_reloc_bitfields_probed.c   |   57 +
 .../bpf/progs/test_core_reloc_enum64val.c          |   70 +
 .../selftests/bpf/progs/test_core_reloc_enumval.c  |   72 +
 .../bpf/progs/test_core_reloc_existence.c          |   78 +
 .../selftests/bpf/progs/test_core_reloc_flavors.c  |   65 +
 .../selftests/bpf/progs/test_core_reloc_ints.c     |   47 +
 .../selftests/bpf/progs/test_core_reloc_kernel.c   |  117 +
 .../selftests/bpf/progs/test_core_reloc_misc.c     |   60 +
 .../selftests/bpf/progs/test_core_reloc_mods.c     |   74 +
 .../selftests/bpf/progs/test_core_reloc_module.c   |  104 +
 .../selftests/bpf/progs/test_core_reloc_nesting.c  |   49 +
 .../bpf/progs/test_core_reloc_primitives.c         |   46 +
 .../bpf/progs/test_core_reloc_ptr_as_arr.c         |   33 +
 .../selftests/bpf/progs/test_core_reloc_size.c     |   77 +
 .../bpf/progs/test_core_reloc_type_based.c         |  157 +
 .../selftests/bpf/progs/test_core_reloc_type_id.c  |  115 +
 .../testing/selftests/bpf/progs/test_core_retro.c  |   43 +
 .../selftests/bpf/progs/test_custom_sec_handlers.c |   63 +
 tools/testing/selftests/bpf/progs/test_d_path.c    |   65 +
 .../bpf/progs/test_d_path_check_rdonly_mem.c       |   28 +
 .../selftests/bpf/progs/test_d_path_check_types.c  |   32 +
 .../selftests/bpf/progs/test_deny_namespace.c      |   33 +
 .../selftests/bpf/progs/test_enable_stats.c        |   18 +
 tools/testing/selftests/bpf/progs/test_endian.c    |   37 +
 .../selftests/bpf/progs/test_get_stack_rawtp.c     |  102 +
 .../selftests/bpf/progs/test_get_stack_rawtp_err.c |   26 +
 .../testing/selftests/bpf/progs/test_global_data.c |  106 +
 .../selftests/bpf/progs/test_global_func1.c        |   45 +
 .../selftests/bpf/progs/test_global_func10.c       |   29 +
 .../selftests/bpf/progs/test_global_func11.c       |   19 +
 .../selftests/bpf/progs/test_global_func12.c       |   21 +
 .../selftests/bpf/progs/test_global_func13.c       |   24 +
 .../selftests/bpf/progs/test_global_func14.c       |   21 +
 .../selftests/bpf/progs/test_global_func15.c       |   22 +
 .../selftests/bpf/progs/test_global_func16.c       |   22 +
 .../selftests/bpf/progs/test_global_func17.c       |   16 +
 .../selftests/bpf/progs/test_global_func2.c        |    4 +
 .../selftests/bpf/progs/test_global_func3.c        |   65 +
 .../selftests/bpf/progs/test_global_func4.c        |    4 +
 .../selftests/bpf/progs/test_global_func5.c        |   31 +
 .../selftests/bpf/progs/test_global_func6.c        |   31 +
 .../selftests/bpf/progs/test_global_func7.c        |   18 +
 .../selftests/bpf/progs/test_global_func8.c        |   19 +
 .../selftests/bpf/progs/test_global_func9.c        |  132 +
 .../selftests/bpf/progs/test_global_func_args.c    |   91 +
 .../selftests/bpf/progs/test_hash_large_key.c      |   44 +
 .../selftests/bpf/progs/test_helper_restricted.c   |  123 +
 tools/testing/selftests/bpf/progs/test_jhash.h     |   71 +
 .../selftests/bpf/progs/test_kfunc_dynptr_param.c  |   94 +
 tools/testing/selftests/bpf/progs/test_ksyms.c     |   32 +
 tools/testing/selftests/bpf/progs/test_ksyms_btf.c |   55 +
 .../bpf/progs/test_ksyms_btf_null_check.c          |   31 +
 .../bpf/progs/test_ksyms_btf_write_check.c         |   45 +
 .../selftests/bpf/progs/test_ksyms_module.c        |   50 +
 .../testing/selftests/bpf/progs/test_ksyms_weak.c  |   56 +
 tools/testing/selftests/bpf/progs/test_l4lb.c      |  471 ++
 .../selftests/bpf/progs/test_l4lb_noinline.c       |  470 ++
 .../selftests/bpf/progs/test_legacy_printk.c       |   73 +
 .../selftests/bpf/progs/test_link_pinning.c        |   25 +
 .../selftests/bpf/progs/test_lirc_mode2_kern.c     |   26 +
 tools/testing/selftests/bpf/progs/test_log_buf.c   |   24 +
 tools/testing/selftests/bpf/progs/test_log_fixup.c |   64 +
 .../selftests/bpf/progs/test_lookup_and_delete.c   |   26 +
 .../testing/selftests/bpf/progs/test_lookup_key.c  |   46 +
 .../selftests/bpf/progs/test_lwt_ip_encap.c        |   85 +
 .../selftests/bpf/progs/test_lwt_seg6local.c       |  426 ++
 .../testing/selftests/bpf/progs/test_map_in_map.c  |   50 +
 .../selftests/bpf/progs/test_map_in_map_invalid.c  |   26 +
 tools/testing/selftests/bpf/progs/test_map_init.c  |   33 +
 tools/testing/selftests/bpf/progs/test_map_lock.c  |   62 +
 .../bpf/progs/test_map_lookup_percpu_elem.c        |   76 +
 .../selftests/bpf/progs/test_migrate_reuseport.c   |  135 +
 .../bpf/progs/test_misc_tcp_hdr_options.c          |  325 +
 tools/testing/selftests/bpf/progs/test_mmap.c      |   51 +
 .../selftests/bpf/progs/test_module_attach.c       |  113 +
 .../selftests/bpf/progs/test_ns_current_pid_tgid.c |   27 +
 tools/testing/selftests/bpf/progs/test_obj_id.c    |   24 +
 tools/testing/selftests/bpf/progs/test_overhead.c  |   42 +
 .../selftests/bpf/progs/test_pe_preserve_elems.c   |   38 +
 .../selftests/bpf/progs/test_perf_branches.c       |   50 +
 .../testing/selftests/bpf/progs/test_perf_buffer.c |   41 +
 tools/testing/selftests/bpf/progs/test_perf_link.c |   16 +
 tools/testing/selftests/bpf/progs/test_pinning.c   |   29 +
 .../selftests/bpf/progs/test_pinning_invalid.c     |   14 +
 .../testing/selftests/bpf/progs/test_pkt_access.c  |  147 +
 .../selftests/bpf/progs/test_pkt_md_access.c       |   41 +
 .../selftests/bpf/progs/test_probe_read_user_str.c |   25 +
 .../testing/selftests/bpf/progs/test_probe_user.c  |   47 +
 .../selftests/bpf/progs/test_prog_array_init.c     |   39 +
 tools/testing/selftests/bpf/progs/test_queue_map.c |    4 +
 .../selftests/bpf/progs/test_queue_stack_map.h     |   57 +
 .../selftests/bpf/progs/test_raw_tp_test_run.c     |   24 +
 .../testing/selftests/bpf/progs/test_rdonly_maps.c |   83 +
 tools/testing/selftests/bpf/progs/test_ringbuf.c   |   78 +
 .../selftests/bpf/progs/test_ringbuf_multi.c       |   89 +
 tools/testing/selftests/bpf/progs/test_seg6_loop.c |  260 +
 .../bpf/progs/test_select_reuseport_kern.c         |  184 +
 .../selftests/bpf/progs/test_send_signal_kern.c    |   46 +
 tools/testing/selftests/bpf/progs/test_sk_assign.c |  194 +
 .../selftests/bpf/progs/test_sk_assign_libbpf.c    |    3 +
 tools/testing/selftests/bpf/progs/test_sk_lookup.c |  665 ++
 .../selftests/bpf/progs/test_sk_lookup_kern.c      |  180 +
 .../bpf/progs/test_sk_storage_trace_itself.c       |   29 +
 .../selftests/bpf/progs/test_sk_storage_tracing.c  |   95 +
 .../selftests/bpf/progs/test_skb_cgroup_id_kern.c  |   45 +
 tools/testing/selftests/bpf/progs/test_skb_ctx.c   |   35 +
 .../testing/selftests/bpf/progs/test_skb_helpers.c |   28 +
 .../selftests/bpf/progs/test_skc_to_unix_sock.c    |   40 +
 tools/testing/selftests/bpf/progs/test_skeleton.c  |   81 +
 .../selftests/bpf/progs/test_skmsg_load_helpers.c  |   47 +
 tools/testing/selftests/bpf/progs/test_snprintf.c  |   77 +
 .../selftests/bpf/progs/test_snprintf_single.c     |   20 +
 .../testing/selftests/bpf/progs/test_sock_fields.c |  304 +
 .../selftests/bpf/progs/test_sockhash_kern.c       |    5 +
 .../bpf/progs/test_sockmap_invalid_update.c        |   23 +
 .../selftests/bpf/progs/test_sockmap_kern.c        |    5 +
 .../selftests/bpf/progs/test_sockmap_kern.h        |  374 +
 .../selftests/bpf/progs/test_sockmap_listen.c      |  119 +
 .../selftests/bpf/progs/test_sockmap_progs_query.c |   24 +
 .../bpf/progs/test_sockmap_skb_verdict_attach.c    |   18 +
 .../selftests/bpf/progs/test_sockmap_update.c      |   48 +
 tools/testing/selftests/bpf/progs/test_spin_lock.c |  101 +
 tools/testing/selftests/bpf/progs/test_stack_map.c |    4 +
 .../selftests/bpf/progs/test_stack_var_off.c       |   51 +
 .../selftests/bpf/progs/test_stacktrace_build_id.c |   67 +
 .../selftests/bpf/progs/test_stacktrace_map.c      |   76 +
 .../selftests/bpf/progs/test_static_linked1.c      |   30 +
 .../selftests/bpf/progs/test_static_linked2.c      |   31 +
 tools/testing/selftests/bpf/progs/test_subprogs.c  |  124 +
 .../selftests/bpf/progs/test_subprogs_unused.c     |   21 +
 .../testing/selftests/bpf/progs/test_subskeleton.c |   28 +
 .../selftests/bpf/progs/test_subskeleton_lib.c     |   61 +
 .../selftests/bpf/progs/test_subskeleton_lib2.c    |   16 +
 .../selftests/bpf/progs/test_sysctl_loop1.c        |   74 +
 .../selftests/bpf/progs/test_sysctl_loop2.c        |   72 +
 .../testing/selftests/bpf/progs/test_sysctl_prog.c |   73 +
 .../selftests/bpf/progs/test_task_pt_regs.c        |   36 +
 tools/testing/selftests/bpf/progs/test_tc_bpf.c    |   12 +
 tools/testing/selftests/bpf/progs/test_tc_dtime.c  |  397 +
 tools/testing/selftests/bpf/progs/test_tc_edt.c    |  110 +
 tools/testing/selftests/bpf/progs/test_tc_neigh.c  |  136 +
 .../selftests/bpf/progs/test_tc_neigh_fib.c        |  158 +
 tools/testing/selftests/bpf/progs/test_tc_peer.c   |   63 +
 tools/testing/selftests/bpf/progs/test_tc_tunnel.c |  620 ++
 .../bpf/progs/test_tcp_check_syncookie_kern.c      |  167 +
 .../testing/selftests/bpf/progs/test_tcp_estats.c  |  257 +
 .../selftests/bpf/progs/test_tcp_hdr_options.c     |  626 ++
 .../testing/selftests/bpf/progs/test_tcpbpf_kern.c |  167 +
 .../selftests/bpf/progs/test_tcpnotify_kern.c      |   93 +
 tools/testing/selftests/bpf/progs/test_time_tai.c  |   24 +
 tools/testing/selftests/bpf/progs/test_trace_ext.c |   18 +
 .../selftests/bpf/progs/test_trace_ext_tracing.c   |   25 +
 .../testing/selftests/bpf/progs/test_tracepoint.c  |   25 +
 .../selftests/bpf/progs/test_trampoline_count.c    |   24 +
 .../testing/selftests/bpf/progs/test_tunnel_kern.c |  850 +++
 .../selftests/bpf/progs/test_unpriv_bpf_disabled.c |   83 +
 .../selftests/bpf/progs/test_uprobe_autoattach.c   |   73 +
 .../selftests/bpf/progs/test_urandom_usdt.c        |   70 +
 tools/testing/selftests/bpf/progs/test_usdt.c      |   96 +
 .../selftests/bpf/progs/test_usdt_multispec.c      |   32 +
 .../selftests/bpf/progs/test_user_ringbuf.h        |   35 +
 tools/testing/selftests/bpf/progs/test_varlen.c    |  163 +
 .../selftests/bpf/progs/test_verif_scale1.c        |   30 +
 .../selftests/bpf/progs/test_verif_scale2.c        |   30 +
 .../selftests/bpf/progs/test_verif_scale3.c        |   30 +
 .../selftests/bpf/progs/test_verify_pkcs7_sig.c    |   90 +
 tools/testing/selftests/bpf/progs/test_vmlinux.c   |   90 +
 tools/testing/selftests/bpf/progs/test_xdp.c       |  233 +
 .../bpf/progs/test_xdp_adjust_tail_grow.c          |   37 +
 .../bpf/progs/test_xdp_adjust_tail_shrink.c        |   52 +
 .../testing/selftests/bpf/progs/test_xdp_bpf2bpf.c |   68 +
 .../bpf/progs/test_xdp_context_test_run.c          |   20 +
 .../selftests/bpf/progs/test_xdp_devmap_helpers.c  |   22 +
 .../selftests/bpf/progs/test_xdp_do_redirect.c     |  100 +
 tools/testing/selftests/bpf/progs/test_xdp_link.c  |   18 +
 tools/testing/selftests/bpf/progs/test_xdp_loop.c  |  229 +
 tools/testing/selftests/bpf/progs/test_xdp_meta.c  |   53 +
 .../selftests/bpf/progs/test_xdp_noinline.c        |  838 +++
 .../selftests/bpf/progs/test_xdp_redirect.c        |   26 +
 .../selftests/bpf/progs/test_xdp_update_frags.c    |   42 +
 tools/testing/selftests/bpf/progs/test_xdp_vlan.c  |  292 +
 .../bpf/progs/test_xdp_with_cpumap_frags_helpers.c |   27 +
 .../bpf/progs/test_xdp_with_cpumap_helpers.c       |   42 +
 .../bpf/progs/test_xdp_with_devmap_frags_helpers.c |   27 +
 .../bpf/progs/test_xdp_with_devmap_helpers.c       |   50 +
 tools/testing/selftests/bpf/progs/timer.c          |  286 +
 tools/testing/selftests/bpf/progs/timer_crash.c    |   54 +
 tools/testing/selftests/bpf/progs/timer_mim.c      |   88 +
 .../testing/selftests/bpf/progs/timer_mim_reject.c |   74 +
 .../selftests/bpf/progs/trace_dummy_st_ops.c       |   21 +
 tools/testing/selftests/bpf/progs/trace_printk.c   |   22 +
 tools/testing/selftests/bpf/progs/trace_vprintk.c  |   34 +
 tools/testing/selftests/bpf/progs/tracing_struct.c |  120 +
 tools/testing/selftests/bpf/progs/trigger_bench.c  |   62 +
 tools/testing/selftests/bpf/progs/twfw.c           |   58 +
 tools/testing/selftests/bpf/progs/udp_limit.c      |   61 +
 .../selftests/bpf/progs/user_ringbuf_fail.c        |  177 +
 .../selftests/bpf/progs/user_ringbuf_success.c     |  218 +
 tools/testing/selftests/bpf/progs/xdp_dummy.c      |   13 +
 .../testing/selftests/bpf/progs/xdp_redirect_map.c |   31 +
 .../selftests/bpf/progs/xdp_redirect_multi_kern.c  |   94 +
 .../selftests/bpf/progs/xdp_synproxy_kern.c        |  843 +++
 tools/testing/selftests/bpf/progs/xdp_tx.c         |   12 +
 tools/testing/selftests/bpf/progs/xdping_kern.c    |  184 +
 tools/testing/selftests/bpf/progs/xdpwall.c        |  365 +
 tools/testing/selftests/bpf/sdt-config.h           |    6 +
 tools/testing/selftests/bpf/sdt.h                  |  513 ++
 tools/testing/selftests/bpf/settings               |    1 +
 .../selftests/bpf/task_local_storage_helpers.h     |   18 +
 tools/testing/selftests/bpf/test_bpftool.py        |  174 +
 tools/testing/selftests/bpf/test_bpftool.sh        |   11 +
 tools/testing/selftests/bpf/test_bpftool_build.sh  |  151 +
 .../testing/selftests/bpf/test_bpftool_metadata.sh |   85 +
 .../selftests/bpf/test_bpftool_synctypes.py        |  610 ++
 tools/testing/selftests/bpf/test_btf.h             |   81 +
 tools/testing/selftests/bpf/test_cgroup_storage.c  |  174 +
 tools/testing/selftests/bpf/test_cpp.cpp           |  123 +
 tools/testing/selftests/bpf/test_dev_cgroup.c      |   85 +
 tools/testing/selftests/bpf/test_doc_build.sh      |   20 +
 tools/testing/selftests/bpf/test_flow_dissector.c  |  780 ++
 tools/testing/selftests/bpf/test_flow_dissector.sh |  178 +
 tools/testing/selftests/bpf/test_ftrace.sh         |   39 +
 tools/testing/selftests/bpf/test_iptunnel_common.h |   34 +
 tools/testing/selftests/bpf/test_kmod.sh           |   73 +
 tools/testing/selftests/bpf/test_lirc_mode2.sh     |   41 +
 tools/testing/selftests/bpf/test_lirc_mode2_user.c |  177 +
 tools/testing/selftests/bpf/test_lpm_map.c         |  797 ++
 tools/testing/selftests/bpf/test_lru_map.c         |  885 +++
 tools/testing/selftests/bpf/test_lwt_ip_encap.sh   |  476 ++
 tools/testing/selftests/bpf/test_lwt_seg6local.sh  |  156 +
 tools/testing/selftests/bpf/test_maps.c            | 1928 +++++
 tools/testing/selftests/bpf/test_maps.h            |   19 +
 tools/testing/selftests/bpf/test_offload.py        | 1406 ++++
 tools/testing/selftests/bpf/test_progs.c           | 1723 +++++
 tools/testing/selftests/bpf/test_progs.h           |  399 +
 .../selftests/bpf/test_select_reuseport_common.h   |   36 +
 tools/testing/selftests/bpf/test_skb_cgroup_id.sh  |   63 +
 .../selftests/bpf/test_skb_cgroup_id_user.c        |  183 +
 tools/testing/selftests/bpf/test_sock.c            |  556 ++
 tools/testing/selftests/bpf/test_sock_addr.c       | 1433 ++++
 tools/testing/selftests/bpf/test_sock_addr.sh      |   58 +
 tools/testing/selftests/bpf/test_sockmap.c         | 2098 ++++++
 tools/testing/selftests/bpf/test_sysctl.c          | 1633 ++++
 tools/testing/selftests/bpf/test_tag.c             |  206 +
 tools/testing/selftests/bpf/test_tc_edt.sh         |  100 +
 tools/testing/selftests/bpf/test_tc_tunnel.sh      |  305 +
 .../selftests/bpf/test_tcp_check_syncookie.sh      |   85 +
 .../selftests/bpf/test_tcp_check_syncookie_user.c  |  299 +
 tools/testing/selftests/bpf/test_tcp_hdr_options.h |  152 +
 tools/testing/selftests/bpf/test_tcpbpf.h          |   22 +
 tools/testing/selftests/bpf/test_tcpnotify.h       |   19 +
 tools/testing/selftests/bpf/test_tcpnotify_user.c  |  168 +
 tools/testing/selftests/bpf/test_tunnel.sh         |  698 ++
 tools/testing/selftests/bpf/test_verifier.c        | 1781 +++++
 tools/testing/selftests/bpf/test_verifier_log.c    |  175 +
 tools/testing/selftests/bpf/test_xdp_meta.sh       |   58 +
 tools/testing/selftests/bpf/test_xdp_redirect.sh   |   79 +
 .../selftests/bpf/test_xdp_redirect_multi.sh       |  214 +
 tools/testing/selftests/bpf/test_xdp_veth.sh       |  121 +
 tools/testing/selftests/bpf/test_xdp_vlan.sh       |  233 +
 .../selftests/bpf/test_xdp_vlan_mode_generic.sh    |    9 +
 .../selftests/bpf/test_xdp_vlan_mode_native.sh     |    9 +
 tools/testing/selftests/bpf/test_xdping.sh         |  103 +
 tools/testing/selftests/bpf/test_xsk.sh            |  209 +
 tools/testing/selftests/bpf/testing_helpers.c      |  251 +
 tools/testing/selftests/bpf/testing_helpers.h      |   24 +
 tools/testing/selftests/bpf/trace_helpers.c        |  226 +
 tools/testing/selftests/bpf/trace_helpers.h        |   24 +
 tools/testing/selftests/bpf/urandom_read.c         |   88 +
 tools/testing/selftests/bpf/urandom_read_aux.c     |    9 +
 tools/testing/selftests/bpf/urandom_read_lib1.c    |   13 +
 tools/testing/selftests/bpf/urandom_read_lib2.c    |    8 +
 tools/testing/selftests/bpf/verifier/.gitignore    |    2 +
 tools/testing/selftests/bpf/verifier/and.c         |   68 +
 .../testing/selftests/bpf/verifier/array_access.c  |  379 +
 tools/testing/selftests/bpf/verifier/atomic_and.c  |  100 +
 .../testing/selftests/bpf/verifier/atomic_bounds.c |   27 +
 .../selftests/bpf/verifier/atomic_cmpxchg.c        |  245 +
 .../testing/selftests/bpf/verifier/atomic_fetch.c  |  151 +
 .../selftests/bpf/verifier/atomic_fetch_add.c      |  106 +
 .../selftests/bpf/verifier/atomic_invalid.c        |   25 +
 tools/testing/selftests/bpf/verifier/atomic_or.c   |  102 +
 tools/testing/selftests/bpf/verifier/atomic_xchg.c |   46 +
 tools/testing/selftests/bpf/verifier/atomic_xor.c  |   77 +
 tools/testing/selftests/bpf/verifier/basic.c       |   23 +
 tools/testing/selftests/bpf/verifier/basic_call.c  |   50 +
 tools/testing/selftests/bpf/verifier/basic_instr.c |  219 +
 tools/testing/selftests/bpf/verifier/basic_stack.c |   64 +
 .../testing/selftests/bpf/verifier/basic_stx_ldx.c |   45 +
 tools/testing/selftests/bpf/verifier/bounds.c      |  755 ++
 .../selftests/bpf/verifier/bounds_deduction.c      |  136 +
 .../bpf/verifier/bounds_mix_sign_unsign.c          |  411 +
 .../testing/selftests/bpf/verifier/bpf_get_stack.c |   87 +
 .../selftests/bpf/verifier/bpf_loop_inline.c       |  264 +
 .../selftests/bpf/verifier/btf_ctx_access.c        |   12 +
 tools/testing/selftests/bpf/verifier/calls.c       | 2307 ++++++
 tools/testing/selftests/bpf/verifier/cfg.c         |   73 +
 .../selftests/bpf/verifier/cgroup_inv_retcode.c    |   72 +
 tools/testing/selftests/bpf/verifier/cgroup_skb.c  |  197 +
 .../selftests/bpf/verifier/cgroup_storage.c        |  220 +
 tools/testing/selftests/bpf/verifier/const_or.c    |   60 +
 tools/testing/selftests/bpf/verifier/ctx.c         |  197 +
 .../testing/selftests/bpf/verifier/ctx_sk_lookup.c |  532 ++
 tools/testing/selftests/bpf/verifier/ctx_sk_msg.c  |  181 +
 tools/testing/selftests/bpf/verifier/ctx_skb.c     | 1193 +++
 tools/testing/selftests/bpf/verifier/d_path.c      |   37 +
 tools/testing/selftests/bpf/verifier/dead_code.c   |  173 +
 .../selftests/bpf/verifier/direct_packet_access.c  |  656 ++
 .../bpf/verifier/direct_stack_access_wraparound.c  |   40 +
 .../selftests/bpf/verifier/direct_value_access.c   |  350 +
 tools/testing/selftests/bpf/verifier/div0.c        |  184 +
 .../testing/selftests/bpf/verifier/div_overflow.c  |  110 +
 .../testing/selftests/bpf/verifier/event_output.c  |  119 +
 .../selftests/bpf/verifier/helper_access_var_len.c |  616 ++
 .../selftests/bpf/verifier/helper_packet_access.c  |  460 ++
 .../selftests/bpf/verifier/helper_restricted.c     |  196 +
 .../selftests/bpf/verifier/helper_value_access.c   |  953 +++
 tools/testing/selftests/bpf/verifier/int_ptr.c     |  160 +
 tools/testing/selftests/bpf/verifier/jit.c         |  194 +
 tools/testing/selftests/bpf/verifier/jmp32.c       |  887 +++
 tools/testing/selftests/bpf/verifier/jset.c        |  169 +
 tools/testing/selftests/bpf/verifier/jump.c        |  397 +
 tools/testing/selftests/bpf/verifier/junk_insn.c   |   45 +
 tools/testing/selftests/bpf/verifier/ld_abs.c      |  286 +
 tools/testing/selftests/bpf/verifier/ld_dw.c       |   45 +
 tools/testing/selftests/bpf/verifier/ld_imm64.c    |  146 +
 tools/testing/selftests/bpf/verifier/ld_ind.c      |   72 +
 tools/testing/selftests/bpf/verifier/leak_ptr.c    |   67 +
 tools/testing/selftests/bpf/verifier/loops1.c      |  206 +
 tools/testing/selftests/bpf/verifier/lwt.c         |  189 +
 tools/testing/selftests/bpf/verifier/map_in_map.c  |   96 +
 tools/testing/selftests/bpf/verifier/map_kptr.c    |  469 ++
 tools/testing/selftests/bpf/verifier/map_ptr.c     |   99 +
 .../selftests/bpf/verifier/map_ptr_mixing.c        |  100 +
 tools/testing/selftests/bpf/verifier/map_ret_val.c |   65 +
 tools/testing/selftests/bpf/verifier/masking.c     |  322 +
 tools/testing/selftests/bpf/verifier/meta_access.c |  235 +
 .../bpf/verifier/perf_event_sample_period.c        |   59 +
 tools/testing/selftests/bpf/verifier/precise.c     |  219 +
 .../selftests/bpf/verifier/prevent_map_lookup.c    |   29 +
 tools/testing/selftests/bpf/verifier/raw_stack.c   |  305 +
 .../selftests/bpf/verifier/raw_tp_writable.c       |   35 +
 .../testing/selftests/bpf/verifier/ref_tracking.c  | 1082 +++
 tools/testing/selftests/bpf/verifier/regalloc.c    |  277 +
 tools/testing/selftests/bpf/verifier/ringbuf.c     |   95 +
 tools/testing/selftests/bpf/verifier/runtime_jit.c |  231 +
 tools/testing/selftests/bpf/verifier/scale.c       |   18 +
 .../selftests/bpf/verifier/search_pruning.c        |  263 +
 tools/testing/selftests/bpf/verifier/sock.c        |  733 ++
 tools/testing/selftests/bpf/verifier/spill_fill.c  |  344 +
 tools/testing/selftests/bpf/verifier/spin_lock.c   |  333 +
 tools/testing/selftests/bpf/verifier/stack_ptr.c   |  359 +
 tools/testing/selftests/bpf/verifier/subreg.c      |  533 ++
 tools/testing/selftests/bpf/verifier/uninit.c      |   39 +
 tools/testing/selftests/bpf/verifier/unpriv.c      |  539 ++
 tools/testing/selftests/bpf/verifier/value.c       |  104 +
 .../selftests/bpf/verifier/value_adj_spill.c       |   43 +
 .../selftests/bpf/verifier/value_illegal_alu.c     |   95 +
 .../testing/selftests/bpf/verifier/value_or_null.c |  171 +
 .../selftests/bpf/verifier/value_ptr_arith.c       | 1140 +++
 tools/testing/selftests/bpf/verifier/var_off.c     |  343 +
 tools/testing/selftests/bpf/verifier/wide_access.c |   83 +
 tools/testing/selftests/bpf/verifier/xadd.c        |   97 +
 tools/testing/selftests/bpf/verifier/xdp.c         |   14 +
 .../bpf/verifier/xdp_direct_packet_access.c        | 1468 ++++
 tools/testing/selftests/bpf/verify_sig_setup.sh    |  104 +
 tools/testing/selftests/bpf/veristat.c             | 1322 ++++
 tools/testing/selftests/bpf/veristat.cfg           |   17 +
 tools/testing/selftests/bpf/vmtest.sh              |  428 ++
 tools/testing/selftests/bpf/with_addr.sh           |   54 +
 tools/testing/selftests/bpf/with_tunnels.sh        |   36 +
 tools/testing/selftests/bpf/xdp_redirect_multi.c   |  226 +
 tools/testing/selftests/bpf/xdp_synproxy.c         |  468 ++
 tools/testing/selftests/bpf/xdping.c               |  254 +
 tools/testing/selftests/bpf/xdping.h               |   13 +
 tools/testing/selftests/bpf/xsk.c                  | 1268 ++++
 tools/testing/selftests/bpf/xsk.h                  |  316 +
 tools/testing/selftests/bpf/xsk_prereqs.sh         |   92 +
 tools/testing/selftests/bpf/xskxceiver.c           | 1974 +++++
 tools/testing/selftests/bpf/xskxceiver.h           |  180 +
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 create mode 100755 tools/testing/selftests/bpf/test_doc_build.sh
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 create mode 100644 tools/testing/selftests/bpf/test_lirc_mode2_user.c
 create mode 100644 tools/testing/selftests/bpf/test_lpm_map.c
 create mode 100644 tools/testing/selftests/bpf/test_lru_map.c
 create mode 100755 tools/testing/selftests/bpf/test_lwt_ip_encap.sh
 create mode 100755 tools/testing/selftests/bpf/test_lwt_seg6local.sh
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 create mode 100755 tools/testing/selftests/bpf/test_skb_cgroup_id.sh
 create mode 100644 tools/testing/selftests/bpf/test_skb_cgroup_id_user.c
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 create mode 100644 tools/testing/selftests/bpf/verifier/.gitignore
 create mode 100644 tools/testing/selftests/bpf/verifier/and.c
 create mode 100644 tools/testing/selftests/bpf/verifier/array_access.c
 create mode 100644 tools/testing/selftests/bpf/verifier/atomic_and.c
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 create mode 100644 tools/testing/selftests/bpf/verifier/atomic_fetch.c
 create mode 100644 tools/testing/selftests/bpf/verifier/atomic_fetch_add.c
 create mode 100644 tools/testing/selftests/bpf/verifier/atomic_invalid.c
 create mode 100644 tools/testing/selftests/bpf/verifier/atomic_or.c
 create mode 100644 tools/testing/selftests/bpf/verifier/atomic_xchg.c
 create mode 100644 tools/testing/selftests/bpf/verifier/atomic_xor.c
 create mode 100644 tools/testing/selftests/bpf/verifier/basic.c
 create mode 100644 tools/testing/selftests/bpf/verifier/basic_call.c
 create mode 100644 tools/testing/selftests/bpf/verifier/basic_instr.c
 create mode 100644 tools/testing/selftests/bpf/verifier/basic_stack.c
 create mode 100644 tools/testing/selftests/bpf/verifier/basic_stx_ldx.c
 create mode 100644 tools/testing/selftests/bpf/verifier/bounds.c
 create mode 100644 tools/testing/selftests/bpf/verifier/bounds_deduction.c
 create mode 100644 tools/testing/selftests/bpf/verifier/bounds_mix_sign_unsign.c
 create mode 100644 tools/testing/selftests/bpf/verifier/bpf_get_stack.c
 create mode 100644 tools/testing/selftests/bpf/verifier/bpf_loop_inline.c
 create mode 100644 tools/testing/selftests/bpf/verifier/btf_ctx_access.c
 create mode 100644 tools/testing/selftests/bpf/verifier/calls.c
 create mode 100644 tools/testing/selftests/bpf/verifier/cfg.c
 create mode 100644 tools/testing/selftests/bpf/verifier/cgroup_inv_retcode.c
 create mode 100644 tools/testing/selftests/bpf/verifier/cgroup_skb.c
 create mode 100644 tools/testing/selftests/bpf/verifier/cgroup_storage.c
 create mode 100644 tools/testing/selftests/bpf/verifier/const_or.c
 create mode 100644 tools/testing/selftests/bpf/verifier/ctx.c
 create mode 100644 tools/testing/selftests/bpf/verifier/ctx_sk_lookup.c
 create mode 100644 tools/testing/selftests/bpf/verifier/ctx_sk_msg.c
 create mode 100644 tools/testing/selftests/bpf/verifier/ctx_skb.c
 create mode 100644 tools/testing/selftests/bpf/verifier/d_path.c
 create mode 100644 tools/testing/selftests/bpf/verifier/dead_code.c
 create mode 100644 tools/testing/selftests/bpf/verifier/direct_packet_access.c
 create mode 100644 tools/testing/selftests/bpf/verifier/direct_stack_access_wraparound.c
 create mode 100644 tools/testing/selftests/bpf/verifier/direct_value_access.c
 create mode 100644 tools/testing/selftests/bpf/verifier/div0.c
 create mode 100644 tools/testing/selftests/bpf/verifier/div_overflow.c
 create mode 100644 tools/testing/selftests/bpf/verifier/event_output.c
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 create mode 100644 tools/testing/selftests/bpf/verifier/helper_packet_access.c
 create mode 100644 tools/testing/selftests/bpf/verifier/helper_restricted.c
 create mode 100644 tools/testing/selftests/bpf/verifier/helper_value_access.c
 create mode 100644 tools/testing/selftests/bpf/verifier/int_ptr.c
 create mode 100644 tools/testing/selftests/bpf/verifier/jit.c
 create mode 100644 tools/testing/selftests/bpf/verifier/jmp32.c
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 create mode 100644 tools/testing/selftests/bpf/verifier/jump.c
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 create mode 100644 tools/testing/selftests/bpf/verifier/map_kptr.c
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 create mode 100644 tools/testing/selftests/bpf/verifier/regalloc.c
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 create mode 100644 tools/testing/selftests/bpf/verifier/sock.c
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 create mode 100644 tools/testing/selftests/bpf/verifier/stack_ptr.c
 create mode 100644 tools/testing/selftests/bpf/verifier/subreg.c
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 create mode 100644 tools/testing/selftests/bpf/verifier/value.c
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 create mode 100755 tools/testing/selftests/bpf/verify_sig_setup.sh
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 create mode 100755 tools/testing/selftests/bpf/with_addr.sh
 create mode 100755 tools/testing/selftests/bpf/with_tunnels.sh
 create mode 100644 tools/testing/selftests/bpf/xdp_redirect_multi.c
 create mode 100644 tools/testing/selftests/bpf/xdp_synproxy.c
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 create mode 100755 tools/testing/selftests/bpf/xsk_prereqs.sh
 create mode 100644 tools/testing/selftests/bpf/xskxceiver.c
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(limited to 'tools/testing/selftests/bpf')

diff --git a/tools/testing/selftests/bpf/.gitignore b/tools/testing/selftests/bpf/.gitignore
new file mode 100644
index 000000000..07d2d0a8c
--- /dev/null
+++ b/tools/testing/selftests/bpf/.gitignore
@@ -0,0 +1,48 @@
+# SPDX-License-Identifier: GPL-2.0-only
+bpftool
+bpf-helpers*
+bpf-syscall*
+test_verifier
+test_maps
+test_lru_map
+test_lpm_map
+test_tag
+FEATURE-DUMP.libbpf
+fixdep
+test_dev_cgroup
+/test_progs
+/test_progs-no_alu32
+/test_progs-bpf_gcc
+test_verifier_log
+feature
+test_sock
+test_sock_addr
+urandom_read
+test_sockmap
+test_lirc_mode2_user
+get_cgroup_id_user
+test_skb_cgroup_id_user
+test_cgroup_storage
+test_flow_dissector
+flow_dissector_load
+test_tcpnotify_user
+test_libbpf
+test_tcp_check_syncookie_user
+test_sysctl
+xdping
+test_cpp
+*.subskel.h
+*.skel.h
+*.lskel.h
+/no_alu32
+/bpf_gcc
+/tools
+/runqslower
+/bench
+/veristat
+/sign-file
+*.ko
+*.tmp
+xskxceiver
+xdp_redirect_multi
+xdp_synproxy
diff --git a/tools/testing/selftests/bpf/DENYLIST b/tools/testing/selftests/bpf/DENYLIST
new file mode 100644
index 000000000..939de574f
--- /dev/null
+++ b/tools/testing/selftests/bpf/DENYLIST
@@ -0,0 +1,6 @@
+# TEMPORARY
+get_stack_raw_tp    # spams with kernel warnings until next bpf -> bpf-next merge
+stacktrace_build_id_nmi
+stacktrace_build_id
+task_fd_query_rawtp
+varlen
diff --git a/tools/testing/selftests/bpf/DENYLIST.s390x b/tools/testing/selftests/bpf/DENYLIST.s390x
new file mode 100644
index 000000000..17e074eb4
--- /dev/null
+++ b/tools/testing/selftests/bpf/DENYLIST.s390x
@@ -0,0 +1,77 @@
+# TEMPORARY
+atomics                                  # attach(add): actual -524 <= expected 0                                      (trampoline)
+bpf_iter_setsockopt                      # JIT does not support calling kernel function                                (kfunc)
+bloom_filter_map                         # failed to find kernel BTF type ID of '__x64_sys_getpgid': -3                (?)
+bpf_tcp_ca                               # JIT does not support calling kernel function                                (kfunc)
+bpf_loop                                 # attaches to __x64_sys_nanosleep
+bpf_mod_race                             # BPF trampoline
+bpf_nf                                   # JIT does not support calling kernel function
+core_read_macros                         # unknown func bpf_probe_read#4                                               (overlapping)
+d_path                                   # failed to auto-attach program 'prog_stat': -524                             (trampoline)
+dummy_st_ops                             # test_run unexpected error: -524 (errno 524)                                 (trampoline)
+fentry_fexit                             # fentry attach failed: -524                                                  (trampoline)
+fentry_test                              # fentry_first_attach unexpected error: -524                                  (trampoline)
+fexit_bpf2bpf                            # freplace_attach_trace unexpected error: -524                                (trampoline)
+fexit_sleep                              # fexit_skel_load fexit skeleton failed                                       (trampoline)
+fexit_stress                             # fexit attach failed prog 0 failed: -524                                     (trampoline)
+fexit_test                               # fexit_first_attach unexpected error: -524                                   (trampoline)
+get_func_args_test	                 # trampoline
+get_func_ip_test                         # get_func_ip_test__attach unexpected error: -524                             (trampoline)
+get_stack_raw_tp                         # user_stack corrupted user stack                                             (no backchain userspace)
+kfree_skb                                # attach fentry unexpected error: -524                                        (trampoline)
+kfunc_call                               # 'bpf_prog_active': not found in kernel BTF                                  (?)
+ksyms_module                             # test_ksyms_module__open_and_load unexpected error: -9                       (?)
+ksyms_module_libbpf                      # JIT does not support calling kernel function                                (kfunc)
+ksyms_module_lskel                       # test_ksyms_module_lskel__open_and_load unexpected error: -9                 (?)
+modify_return                            # modify_return attach failed: -524                                           (trampoline)
+module_attach                            # skel_attach skeleton attach failed: -524                                    (trampoline)
+mptcp
+kprobe_multi_test                        # relies on fentry
+netcnt                                   # failed to load BPF skeleton 'netcnt_prog': -7                               (?)
+probe_user                               # check_kprobe_res wrong kprobe res from probe read                           (?)
+recursion                                # skel_attach unexpected error: -524                                          (trampoline)
+ringbuf                                  # skel_load skeleton load failed                                              (?)
+sk_assign                                # Can't read on server: Invalid argument                                      (?)
+sk_lookup                                # endianness problem
+sk_storage_tracing                       # test_sk_storage_tracing__attach unexpected error: -524                      (trampoline)
+skc_to_unix_sock                         # could not attach BPF object unexpected error: -524                          (trampoline)
+socket_cookie                            # prog_attach unexpected error: -524                                          (trampoline)
+stacktrace_build_id                      # compare_map_keys stackid_hmap vs. stackmap err -2 errno 2                   (?)
+tailcalls                                # tail_calls are not allowed in non-JITed programs with bpf-to-bpf calls      (?)
+task_local_storage                       # failed to auto-attach program 'trace_exit_creds': -524                      (trampoline)
+test_bpffs                               # bpffs test  failed 255                                                      (iterator)
+test_bprm_opts                           # failed to auto-attach program 'secure_exec': -524                           (trampoline)
+test_ima                                 # failed to auto-attach program 'ima': -524                                   (trampoline)
+test_local_storage                       # failed to auto-attach program 'unlink_hook': -524                           (trampoline)
+test_lsm                                 # attach unexpected error: -524                                               (trampoline)
+test_overhead                            # attach_fentry unexpected error: -524                                        (trampoline)
+test_profiler                            # unknown func bpf_probe_read_str#45                                          (overlapping)
+timer                                    # failed to auto-attach program 'test1': -524                                 (trampoline)
+timer_crash                              # trampoline
+timer_mim                                # failed to auto-attach program 'test1': -524                                 (trampoline)
+trace_ext                                # failed to auto-attach program 'test_pkt_md_access_new': -524                (trampoline)
+trace_printk                             # trace_printk__load unexpected error: -2 (errno 2)                           (?)
+trace_vprintk                            # trace_vprintk__open_and_load unexpected error: -9                           (?)
+trampoline_count                         # prog 'prog1': failed to attach: ERROR: strerror_r(-524)=22                  (trampoline)
+verif_stats                              # trace_vprintk__open_and_load unexpected error: -9                           (?)
+vmlinux                                  # failed to auto-attach program 'handle__fentry': -524                        (trampoline)
+xdp_adjust_tail                          # case-128 err 0 errno 28 retval 1 size 128 expect-size 3520                  (?)
+xdp_bonding                              # failed to auto-attach program 'trace_on_entry': -524                        (trampoline)
+xdp_bpf2bpf                              # failed to auto-attach program 'trace_on_entry': -524                        (trampoline)
+map_kptr                                 # failed to open_and_load program: -524 (trampoline)
+bpf_cookie                               # failed to open_and_load program: -524 (trampoline)
+xdp_do_redirect                          # prog_run_max_size unexpected error: -22 (errno 22)
+send_signal                              # intermittently fails to receive signal
+select_reuseport                         # intermittently fails on new s390x setup
+xdp_synproxy                             # JIT does not support calling kernel function                                (kfunc)
+unpriv_bpf_disabled                      # fentry
+lru_bug                                  # prog 'printk': failed to auto-attach: -524
+setget_sockopt                           # attach unexpected error: -524                                               (trampoline)
+cb_refs                                  # expected error message unexpected error: -524                               (trampoline)
+cgroup_hierarchical_stats                # JIT does not support calling kernel function                                (kfunc)
+htab_update                              # failed to attach: ERROR: strerror_r(-524)=22                                (trampoline)
+tracing_struct                           # failed to auto-attach: -524                                                 (trampoline)
+user_ringbuf                             # failed to find kernel BTF type ID of '__s390x_sys_prctl': -3                (?)
+lookup_key                               # JIT does not support calling kernel function                                (kfunc)
+verify_pkcs7_sig                         # JIT does not support calling kernel function                                (kfunc)
+kfunc_dynptr_param                       # JIT does not support calling kernel function                                (kfunc)
diff --git a/tools/testing/selftests/bpf/Makefile b/tools/testing/selftests/bpf/Makefile
new file mode 100644
index 000000000..3b57fbf8f
--- /dev/null
+++ b/tools/testing/selftests/bpf/Makefile
@@ -0,0 +1,618 @@
+# SPDX-License-Identifier: GPL-2.0
+include ../../../build/Build.include
+include ../../../scripts/Makefile.arch
+include ../../../scripts/Makefile.include
+
+CXX ?= $(CROSS_COMPILE)g++
+
+CURDIR := $(abspath .)
+TOOLSDIR := $(abspath ../../..)
+LIBDIR := $(TOOLSDIR)/lib
+BPFDIR := $(LIBDIR)/bpf
+TOOLSINCDIR := $(TOOLSDIR)/include
+BPFTOOLDIR := $(TOOLSDIR)/bpf/bpftool
+APIDIR := $(TOOLSINCDIR)/uapi
+GENDIR := $(abspath ../../../../include/generated)
+GENHDR := $(GENDIR)/autoconf.h
+HOSTPKG_CONFIG := pkg-config
+
+ifneq ($(wildcard $(GENHDR)),)
+  GENFLAGS := -DHAVE_GENHDR
+endif
+
+BPF_GCC		?= $(shell command -v bpf-gcc;)
+SAN_CFLAGS	?=
+CFLAGS += -g -O0 -rdynamic -Wall -Werror $(GENFLAGS) $(SAN_CFLAGS)	\
+	  -I$(CURDIR) -I$(INCLUDE_DIR) -I$(GENDIR) -I$(LIBDIR)		\
+	  -I$(TOOLSINCDIR) -I$(APIDIR) -I$(OUTPUT)
+LDFLAGS += $(SAN_CFLAGS)
+LDLIBS += -lelf -lz -lrt -lpthread
+
+# Silence some warnings when compiled with clang
+ifneq ($(LLVM),)
+CFLAGS += -Wno-unused-command-line-argument
+endif
+
+# Order correspond to 'make run_tests' order
+TEST_GEN_PROGS = test_verifier test_tag test_maps test_lru_map test_lpm_map test_progs \
+	test_verifier_log test_dev_cgroup \
+	test_sock test_sockmap get_cgroup_id_user \
+	test_cgroup_storage \
+	test_tcpnotify_user test_sysctl \
+	test_progs-no_alu32
+
+# Also test bpf-gcc, if present
+ifneq ($(BPF_GCC),)
+TEST_GEN_PROGS += test_progs-bpf_gcc
+endif
+
+TEST_GEN_FILES = test_lwt_ip_encap.bpf.o test_tc_edt.bpf.o
+TEST_FILES = xsk_prereqs.sh $(wildcard progs/btf_dump_test_case_*.c)
+
+# Order correspond to 'make run_tests' order
+TEST_PROGS := test_kmod.sh \
+	test_xdp_redirect.sh \
+	test_xdp_redirect_multi.sh \
+	test_xdp_meta.sh \
+	test_xdp_veth.sh \
+	test_offload.py \
+	test_sock_addr.sh \
+	test_tunnel.sh \
+	test_lwt_seg6local.sh \
+	test_lirc_mode2.sh \
+	test_skb_cgroup_id.sh \
+	test_flow_dissector.sh \
+	test_xdp_vlan_mode_generic.sh \
+	test_xdp_vlan_mode_native.sh \
+	test_lwt_ip_encap.sh \
+	test_tcp_check_syncookie.sh \
+	test_tc_tunnel.sh \
+	test_tc_edt.sh \
+	test_xdping.sh \
+	test_bpftool_build.sh \
+	test_bpftool.sh \
+	test_bpftool_metadata.sh \
+	test_doc_build.sh \
+	test_xsk.sh
+
+TEST_PROGS_EXTENDED := with_addr.sh \
+	with_tunnels.sh ima_setup.sh verify_sig_setup.sh \
+	test_xdp_vlan.sh test_bpftool.py
+
+# Compile but not part of 'make run_tests'
+TEST_GEN_PROGS_EXTENDED = test_sock_addr test_skb_cgroup_id_user \
+	flow_dissector_load test_flow_dissector test_tcp_check_syncookie_user \
+	test_lirc_mode2_user xdping test_cpp runqslower bench bpf_testmod.ko \
+	xskxceiver xdp_redirect_multi xdp_synproxy veristat
+
+TEST_GEN_FILES += liburandom_read.so urandom_read sign-file
+
+# Emit succinct information message describing current building step
+# $1 - generic step name (e.g., CC, LINK, etc);
+# $2 - optional "flavor" specifier; if provided, will be emitted as [flavor];
+# $3 - target (assumed to be file); only file name will be emitted;
+# $4 - optional extra arg, emitted as-is, if provided.
+ifeq ($(V),1)
+Q =
+msg =
+else
+Q = @
+msg = @printf '  %-8s%s %s%s\n' "$(1)" "$(if $(2), [$(2)])" "$(notdir $(3))" "$(if $(4), $(4))";
+MAKEFLAGS += --no-print-directory
+submake_extras := feature_display=0
+endif
+
+# override lib.mk's default rules
+OVERRIDE_TARGETS := 1
+override define CLEAN
+	$(call msg,CLEAN)
+	$(Q)$(RM) -r $(TEST_GEN_PROGS)
+	$(Q)$(RM) -r $(TEST_GEN_PROGS_EXTENDED)
+	$(Q)$(RM) -r $(TEST_GEN_FILES)
+	$(Q)$(RM) -r $(EXTRA_CLEAN)
+	$(Q)$(MAKE) -C bpf_testmod clean
+	$(Q)$(MAKE) docs-clean
+endef
+
+include ../lib.mk
+
+SCRATCH_DIR := $(OUTPUT)/tools
+BUILD_DIR := $(SCRATCH_DIR)/build
+INCLUDE_DIR := $(SCRATCH_DIR)/include
+BPFOBJ := $(BUILD_DIR)/libbpf/libbpf.a
+ifneq ($(CROSS_COMPILE),)
+HOST_BUILD_DIR		:= $(BUILD_DIR)/host
+HOST_SCRATCH_DIR	:= $(OUTPUT)/host-tools
+HOST_INCLUDE_DIR	:= $(HOST_SCRATCH_DIR)/include
+else
+HOST_BUILD_DIR		:= $(BUILD_DIR)
+HOST_SCRATCH_DIR	:= $(SCRATCH_DIR)
+HOST_INCLUDE_DIR	:= $(INCLUDE_DIR)
+endif
+HOST_BPFOBJ := $(HOST_BUILD_DIR)/libbpf/libbpf.a
+RESOLVE_BTFIDS := $(HOST_BUILD_DIR)/resolve_btfids/resolve_btfids
+RUNQSLOWER_OUTPUT := $(BUILD_DIR)/runqslower/
+
+VMLINUX_BTF_PATHS ?= $(if $(O),$(O)/vmlinux)				\
+		     $(if $(KBUILD_OUTPUT),$(KBUILD_OUTPUT)/vmlinux)	\
+		     ../../../../vmlinux				\
+		     /sys/kernel/btf/vmlinux				\
+		     /boot/vmlinux-$(shell uname -r)
+VMLINUX_BTF ?= $(abspath $(firstword $(wildcard $(VMLINUX_BTF_PATHS))))
+ifeq ($(VMLINUX_BTF),)
+$(error Cannot find a vmlinux for VMLINUX_BTF at any of "$(VMLINUX_BTF_PATHS)")
+endif
+
+# Define simple and short `make test_progs`, `make test_sysctl`, etc targets
+# to build individual tests.
+# NOTE: Semicolon at the end is critical to override lib.mk's default static
+# rule for binaries.
+$(notdir $(TEST_GEN_PROGS)						\
+	 $(TEST_GEN_PROGS_EXTENDED)					\
+	 $(TEST_CUSTOM_PROGS)): %: $(OUTPUT)/% ;
+
+# sort removes libbpf duplicates when not cross-building
+MAKE_DIRS := $(sort $(BUILD_DIR)/libbpf $(HOST_BUILD_DIR)/libbpf	       \
+	       $(HOST_BUILD_DIR)/bpftool $(HOST_BUILD_DIR)/resolve_btfids      \
+	       $(RUNQSLOWER_OUTPUT) $(INCLUDE_DIR))
+$(MAKE_DIRS):
+	$(call msg,MKDIR,,$@)
+	$(Q)mkdir -p $@
+
+$(OUTPUT)/%.o: %.c
+	$(call msg,CC,,$@)
+	$(Q)$(CC) $(CFLAGS) -c $(filter %.c,$^) $(LDLIBS) -o $@
+
+$(OUTPUT)/%:%.c
+	$(call msg,BINARY,,$@)
+	$(Q)$(LINK.c) $^ $(LDLIBS) -o $@
+
+# LLVM's ld.lld doesn't support all the architectures, so use it only on x86
+ifeq ($(SRCARCH),x86)
+LLD := lld
+else
+LLD := ld
+endif
+
+# Filter out -static for liburandom_read.so and its dependent targets so that static builds
+# do not fail. Static builds leave urandom_read relying on system-wide shared libraries.
+$(OUTPUT)/liburandom_read.so: urandom_read_lib1.c urandom_read_lib2.c
+	$(call msg,LIB,,$@)
+	$(Q)$(CLANG) $(filter-out -static,$(CFLAGS) $(LDFLAGS))   \
+		     $^ $(filter-out -static,$(LDLIBS))	     \
+		     -fuse-ld=$(LLD) -Wl,-znoseparate-code -Wl,--build-id=sha1 \
+		     -fPIC -shared -o $@
+
+$(OUTPUT)/urandom_read: urandom_read.c urandom_read_aux.c $(OUTPUT)/liburandom_read.so
+	$(call msg,BINARY,,$@)
+	$(Q)$(CLANG) $(filter-out -static,$(CFLAGS) $(LDFLAGS)) $(filter %.c,$^) \
+		     liburandom_read.so $(filter-out -static,$(LDLIBS))	     \
+		     -fuse-ld=$(LLD) -Wl,-znoseparate-code -Wl,--build-id=sha1 \
+		     -Wl,-rpath=. -o $@
+
+$(OUTPUT)/sign-file: ../../../../scripts/sign-file.c
+	$(call msg,SIGN-FILE,,$@)
+	$(Q)$(CC) $(shell $(HOSTPKG_CONFIG) --cflags libcrypto 2> /dev/null) \
+		  $< -o $@ \
+		  $(shell $(HOSTPKG_CONFIG) --libs libcrypto 2> /dev/null || echo -lcrypto)
+
+$(OUTPUT)/bpf_testmod.ko: $(VMLINUX_BTF) $(wildcard bpf_testmod/Makefile bpf_testmod/*.[ch])
+	$(call msg,MOD,,$@)
+	$(Q)$(RM) bpf_testmod/bpf_testmod.ko # force re-compilation
+	$(Q)$(MAKE) $(submake_extras) -C bpf_testmod
+	$(Q)cp bpf_testmod/bpf_testmod.ko $@
+
+DEFAULT_BPFTOOL := $(HOST_SCRATCH_DIR)/sbin/bpftool
+
+$(OUTPUT)/runqslower: $(BPFOBJ) | $(DEFAULT_BPFTOOL) $(RUNQSLOWER_OUTPUT)
+	$(Q)$(MAKE) $(submake_extras) -C $(TOOLSDIR)/bpf/runqslower	       \
+		    OUTPUT=$(RUNQSLOWER_OUTPUT) VMLINUX_BTF=$(VMLINUX_BTF)     \
+		    BPFTOOL_OUTPUT=$(HOST_BUILD_DIR)/bpftool/		       \
+		    BPFOBJ_OUTPUT=$(BUILD_DIR)/libbpf			       \
+		    BPFOBJ=$(BPFOBJ) BPF_INCLUDE=$(INCLUDE_DIR) &&	       \
+		    cp $(RUNQSLOWER_OUTPUT)runqslower $@
+
+TEST_GEN_PROGS_EXTENDED += $(DEFAULT_BPFTOOL)
+
+$(TEST_GEN_PROGS) $(TEST_GEN_PROGS_EXTENDED): $(BPFOBJ)
+
+CGROUP_HELPERS	:= $(OUTPUT)/cgroup_helpers.o
+TESTING_HELPERS	:= $(OUTPUT)/testing_helpers.o
+TRACE_HELPERS	:= $(OUTPUT)/trace_helpers.o
+CAP_HELPERS	:= $(OUTPUT)/cap_helpers.o
+
+$(OUTPUT)/test_dev_cgroup: $(CGROUP_HELPERS) $(TESTING_HELPERS)
+$(OUTPUT)/test_skb_cgroup_id_user: $(CGROUP_HELPERS) $(TESTING_HELPERS)
+$(OUTPUT)/test_sock: $(CGROUP_HELPERS) $(TESTING_HELPERS)
+$(OUTPUT)/test_sock_addr: $(CGROUP_HELPERS) $(TESTING_HELPERS)
+$(OUTPUT)/test_sockmap: $(CGROUP_HELPERS) $(TESTING_HELPERS)
+$(OUTPUT)/test_tcpnotify_user: $(CGROUP_HELPERS) $(TESTING_HELPERS) $(TRACE_HELPERS)
+$(OUTPUT)/get_cgroup_id_user: $(CGROUP_HELPERS) $(TESTING_HELPERS)
+$(OUTPUT)/test_cgroup_storage: $(CGROUP_HELPERS) $(TESTING_HELPERS)
+$(OUTPUT)/test_sock_fields: $(CGROUP_HELPERS) $(TESTING_HELPERS)
+$(OUTPUT)/test_sysctl: $(CGROUP_HELPERS) $(TESTING_HELPERS)
+$(OUTPUT)/test_tag: $(TESTING_HELPERS)
+$(OUTPUT)/test_lirc_mode2_user: $(TESTING_HELPERS)
+$(OUTPUT)/xdping: $(TESTING_HELPERS)
+$(OUTPUT)/flow_dissector_load: $(TESTING_HELPERS)
+$(OUTPUT)/test_maps: $(TESTING_HELPERS)
+$(OUTPUT)/test_verifier: $(TESTING_HELPERS) $(CAP_HELPERS)
+$(OUTPUT)/xsk.o: $(BPFOBJ)
+$(OUTPUT)/xskxceiver: $(OUTPUT)/xsk.o
+
+BPFTOOL ?= $(DEFAULT_BPFTOOL)
+$(DEFAULT_BPFTOOL): $(wildcard $(BPFTOOLDIR)/*.[ch] $(BPFTOOLDIR)/Makefile)    \
+		    $(HOST_BPFOBJ) | $(HOST_BUILD_DIR)/bpftool
+	$(Q)$(MAKE) $(submake_extras)  -C $(BPFTOOLDIR)			       \
+		    ARCH= CROSS_COMPILE= CC=$(HOSTCC) LD=$(HOSTLD) 	       \
+		    EXTRA_CFLAGS='-g -O0'				       \
+		    OUTPUT=$(HOST_BUILD_DIR)/bpftool/			       \
+		    LIBBPF_OUTPUT=$(HOST_BUILD_DIR)/libbpf/		       \
+		    LIBBPF_DESTDIR=$(HOST_SCRATCH_DIR)/			       \
+		    prefix= DESTDIR=$(HOST_SCRATCH_DIR)/ install-bin
+
+all: docs
+
+docs:
+	$(Q)RST2MAN_OPTS="--exit-status=1" $(MAKE) $(submake_extras)	\
+	            -f Makefile.docs					\
+	            prefix= OUTPUT=$(OUTPUT)/ DESTDIR=$(OUTPUT)/ $@
+
+docs-clean:
+	$(Q)$(MAKE) $(submake_extras)					\
+	            -f Makefile.docs					\
+	            prefix= OUTPUT=$(OUTPUT)/ DESTDIR=$(OUTPUT)/ $@
+
+$(BPFOBJ): $(wildcard $(BPFDIR)/*.[ch] $(BPFDIR)/Makefile)		       \
+	   $(APIDIR)/linux/bpf.h					       \
+	   | $(BUILD_DIR)/libbpf
+	$(Q)$(MAKE) $(submake_extras) -C $(BPFDIR) OUTPUT=$(BUILD_DIR)/libbpf/ \
+		    EXTRA_CFLAGS='-g -O0'				       \
+		    DESTDIR=$(SCRATCH_DIR) prefix= all install_headers
+
+ifneq ($(BPFOBJ),$(HOST_BPFOBJ))
+$(HOST_BPFOBJ): $(wildcard $(BPFDIR)/*.[ch] $(BPFDIR)/Makefile)		       \
+		$(APIDIR)/linux/bpf.h					       \
+		| $(HOST_BUILD_DIR)/libbpf
+	$(Q)$(MAKE) $(submake_extras) -C $(BPFDIR)                             \
+		    EXTRA_CFLAGS='-g -O0' ARCH= CROSS_COMPILE=		       \
+		    OUTPUT=$(HOST_BUILD_DIR)/libbpf/ CC=$(HOSTCC) LD=$(HOSTLD) \
+		    DESTDIR=$(HOST_SCRATCH_DIR)/ prefix= all install_headers
+endif
+
+$(INCLUDE_DIR)/vmlinux.h: $(VMLINUX_BTF) $(BPFTOOL) | $(INCLUDE_DIR)
+ifeq ($(VMLINUX_H),)
+	$(call msg,GEN,,$@)
+	$(Q)$(BPFTOOL) btf dump file $(VMLINUX_BTF) format c > $@
+else
+	$(call msg,CP,,$@)
+	$(Q)cp "$(VMLINUX_H)" $@
+endif
+
+$(RESOLVE_BTFIDS): $(HOST_BPFOBJ) | $(HOST_BUILD_DIR)/resolve_btfids	\
+		       $(TOOLSDIR)/bpf/resolve_btfids/main.c	\
+		       $(TOOLSDIR)/lib/rbtree.c			\
+		       $(TOOLSDIR)/lib/zalloc.c			\
+		       $(TOOLSDIR)/lib/string.c			\
+		       $(TOOLSDIR)/lib/ctype.c			\
+		       $(TOOLSDIR)/lib/str_error_r.c
+	$(Q)$(MAKE) $(submake_extras) -C $(TOOLSDIR)/bpf/resolve_btfids	\
+		CC=$(HOSTCC) LD=$(HOSTLD) AR=$(HOSTAR) \
+		LIBBPF_INCLUDE=$(HOST_INCLUDE_DIR) \
+		OUTPUT=$(HOST_BUILD_DIR)/resolve_btfids/ BPFOBJ=$(HOST_BPFOBJ)
+
+# Get Clang's default includes on this system, as opposed to those seen by
+# '-target bpf'. This fixes "missing" files on some architectures/distros,
+# such as asm/byteorder.h, asm/socket.h, asm/sockios.h, sys/cdefs.h etc.
+#
+# Use '-idirafter': Don't interfere with include mechanics except where the
+# build would have failed anyways.
+define get_sys_includes
+$(shell $(1) -v -E - </dev/null 2>&1 \
+	| sed -n '/<...> search starts here:/,/End of search list./{ s| \(/.*\)|-idirafter \1|p }') \
+$(shell $(1) -dM -E - </dev/null | grep '__riscv_xlen ' | awk '{printf("-D__riscv_xlen=%d -D__BITS_PER_LONG=%d", $$3, $$3)}')
+endef
+
+# Determine target endianness.
+IS_LITTLE_ENDIAN = $(shell $(CC) -dM -E - </dev/null | \
+			grep 'define __BYTE_ORDER__ __ORDER_LITTLE_ENDIAN__')
+MENDIAN=$(if $(IS_LITTLE_ENDIAN),-mlittle-endian,-mbig-endian)
+
+CLANG_SYS_INCLUDES = $(call get_sys_includes,$(CLANG))
+BPF_CFLAGS = -g -Werror -D__TARGET_ARCH_$(SRCARCH) $(MENDIAN) 		\
+	     -I$(INCLUDE_DIR) -I$(CURDIR) -I$(APIDIR)			\
+	     -I$(abspath $(OUTPUT)/../usr/include)
+
+CLANG_CFLAGS = $(CLANG_SYS_INCLUDES) \
+	       -Wno-compare-distinct-pointer-types
+
+$(OUTPUT)/test_l4lb_noinline.o: BPF_CFLAGS += -fno-inline
+$(OUTPUT)/test_xdp_noinline.o: BPF_CFLAGS += -fno-inline
+
+$(OUTPUT)/flow_dissector_load.o: flow_dissector_load.h
+$(OUTPUT)/cgroup_getset_retval_hooks.o: cgroup_getset_retval_hooks.h
+
+# Build BPF object using Clang
+# $1 - input .c file
+# $2 - output .o file
+# $3 - CFLAGS
+define CLANG_BPF_BUILD_RULE
+	$(call msg,CLNG-BPF,$(TRUNNER_BINARY),$2)
+	$(Q)$(CLANG) $3 -O2 -target bpf -c $1 -mcpu=v3 -o $2
+endef
+# Similar to CLANG_BPF_BUILD_RULE, but with disabled alu32
+define CLANG_NOALU32_BPF_BUILD_RULE
+	$(call msg,CLNG-BPF,$(TRUNNER_BINARY),$2)
+	$(Q)$(CLANG) $3 -O2 -target bpf -c $1 -mcpu=v2 -o $2
+endef
+# Build BPF object using GCC
+define GCC_BPF_BUILD_RULE
+	$(call msg,GCC-BPF,$(TRUNNER_BINARY),$2)
+	$(Q)$(BPF_GCC) $3 -O2 -c $1 -o $2
+endef
+
+SKEL_BLACKLIST := btf__% test_pinning_invalid.c test_sk_assign.c
+
+LINKED_SKELS := test_static_linked.skel.h linked_funcs.skel.h		\
+		linked_vars.skel.h linked_maps.skel.h 			\
+		test_subskeleton.skel.h test_subskeleton_lib.skel.h	\
+		test_usdt.skel.h
+
+LSKELS := fentry_test.c fexit_test.c fexit_sleep.c \
+	test_ringbuf.c atomics.c trace_printk.c trace_vprintk.c \
+	map_ptr_kern.c core_kern.c core_kern_overflow.c
+# Generate both light skeleton and libbpf skeleton for these
+LSKELS_EXTRA := test_ksyms_module.c test_ksyms_weak.c kfunc_call_test.c \
+	kfunc_call_test_subprog.c
+SKEL_BLACKLIST += $$(LSKELS)
+
+test_static_linked.skel.h-deps := test_static_linked1.bpf.o test_static_linked2.bpf.o
+linked_funcs.skel.h-deps := linked_funcs1.bpf.o linked_funcs2.bpf.o
+linked_vars.skel.h-deps := linked_vars1.bpf.o linked_vars2.bpf.o
+linked_maps.skel.h-deps := linked_maps1.bpf.o linked_maps2.bpf.o
+# In the subskeleton case, we want the test_subskeleton_lib.subskel.h file
+# but that's created as a side-effect of the skel.h generation.
+test_subskeleton.skel.h-deps := test_subskeleton_lib2.bpf.o test_subskeleton_lib.bpf.o test_subskeleton.bpf.o
+test_subskeleton_lib.skel.h-deps := test_subskeleton_lib2.bpf.o test_subskeleton_lib.bpf.o
+test_usdt.skel.h-deps := test_usdt.bpf.o test_usdt_multispec.bpf.o
+
+LINKED_BPF_SRCS := $(patsubst %.bpf.o,%.c,$(foreach skel,$(LINKED_SKELS),$($(skel)-deps)))
+
+# Set up extra TRUNNER_XXX "temporary" variables in the environment (relies on
+# $eval()) and pass control to DEFINE_TEST_RUNNER_RULES.
+# Parameters:
+# $1 - test runner base binary name (e.g., test_progs)
+# $2 - test runner extra "flavor" (e.g., no_alu32, gcc-bpf, etc)
+define DEFINE_TEST_RUNNER
+
+TRUNNER_OUTPUT := $(OUTPUT)$(if $2,/)$2
+TRUNNER_BINARY := $1$(if $2,-)$2
+TRUNNER_TEST_OBJS := $$(patsubst %.c,$$(TRUNNER_OUTPUT)/%.test.o,	\
+				 $$(notdir $$(wildcard $(TRUNNER_TESTS_DIR)/*.c)))
+TRUNNER_EXTRA_OBJS := $$(patsubst %.c,$$(TRUNNER_OUTPUT)/%.o,		\
+				 $$(filter %.c,$(TRUNNER_EXTRA_SOURCES)))
+TRUNNER_EXTRA_HDRS := $$(filter %.h,$(TRUNNER_EXTRA_SOURCES))
+TRUNNER_TESTS_HDR := $(TRUNNER_TESTS_DIR)/tests.h
+TRUNNER_BPF_SRCS := $$(notdir $$(wildcard $(TRUNNER_BPF_PROGS_DIR)/*.c))
+TRUNNER_BPF_OBJS := $$(patsubst %.c,$$(TRUNNER_OUTPUT)/%.bpf.o, $$(TRUNNER_BPF_SRCS))
+TRUNNER_BPF_SKELS := $$(patsubst %.c,$$(TRUNNER_OUTPUT)/%.skel.h,	\
+				 $$(filter-out $(SKEL_BLACKLIST) $(LINKED_BPF_SRCS),\
+					       $$(TRUNNER_BPF_SRCS)))
+TRUNNER_BPF_LSKELS := $$(patsubst %.c,$$(TRUNNER_OUTPUT)/%.lskel.h, $$(LSKELS) $$(LSKELS_EXTRA))
+TRUNNER_BPF_SKELS_LINKED := $$(addprefix $$(TRUNNER_OUTPUT)/,$(LINKED_SKELS))
+TEST_GEN_FILES += $$(TRUNNER_BPF_OBJS)
+
+# Evaluate rules now with extra TRUNNER_XXX variables above already defined
+$$(eval $$(call DEFINE_TEST_RUNNER_RULES,$1,$2))
+
+endef
+
+# Using TRUNNER_XXX variables, provided by callers of DEFINE_TEST_RUNNER and
+# set up by DEFINE_TEST_RUNNER itself, create test runner build rules with:
+# $1 - test runner base binary name (e.g., test_progs)
+# $2 - test runner extra "flavor" (e.g., no_alu32, gcc-bpf, etc)
+define DEFINE_TEST_RUNNER_RULES
+
+ifeq ($($(TRUNNER_OUTPUT)-dir),)
+$(TRUNNER_OUTPUT)-dir := y
+$(TRUNNER_OUTPUT):
+	$$(call msg,MKDIR,,$$@)
+	$(Q)mkdir -p $$@
+endif
+
+# ensure we set up BPF objects generation rule just once for a given
+# input/output directory combination
+ifeq ($($(TRUNNER_BPF_PROGS_DIR)$(if $2,-)$2-bpfobjs),)
+$(TRUNNER_BPF_PROGS_DIR)$(if $2,-)$2-bpfobjs := y
+$(TRUNNER_BPF_OBJS): $(TRUNNER_OUTPUT)/%.bpf.o:				\
+		     $(TRUNNER_BPF_PROGS_DIR)/%.c			\
+		     $(TRUNNER_BPF_PROGS_DIR)/*.h			\
+		     $$(INCLUDE_DIR)/vmlinux.h				\
+		     $(wildcard $(BPFDIR)/bpf_*.h)			\
+		     $(wildcard $(BPFDIR)/*.bpf.h)			\
+		     | $(TRUNNER_OUTPUT) $$(BPFOBJ)
+	$$(call $(TRUNNER_BPF_BUILD_RULE),$$<,$$@,			\
+					  $(TRUNNER_BPF_CFLAGS))
+
+$(TRUNNER_BPF_SKELS): %.skel.h: %.bpf.o $(BPFTOOL) | $(TRUNNER_OUTPUT)
+	$$(call msg,GEN-SKEL,$(TRUNNER_BINARY),$$@)
+	$(Q)$$(BPFTOOL) gen object $$(<:.o=.linked1.o) $$<
+	$(Q)$$(BPFTOOL) gen object $$(<:.o=.linked2.o) $$(<:.o=.linked1.o)
+	$(Q)$$(BPFTOOL) gen object $$(<:.o=.linked3.o) $$(<:.o=.linked2.o)
+	$(Q)diff $$(<:.o=.linked2.o) $$(<:.o=.linked3.o)
+	$(Q)$$(BPFTOOL) gen skeleton $$(<:.o=.linked3.o) name $$(notdir $$(<:.bpf.o=)) > $$@
+	$(Q)$$(BPFTOOL) gen subskeleton $$(<:.o=.linked3.o) name $$(notdir $$(<:.bpf.o=)) > $$(@:.skel.h=.subskel.h)
+
+$(TRUNNER_BPF_LSKELS): %.lskel.h: %.bpf.o $(BPFTOOL) | $(TRUNNER_OUTPUT)
+	$$(call msg,GEN-SKEL,$(TRUNNER_BINARY),$$@)
+	$(Q)$$(BPFTOOL) gen object $$(<:.o=.llinked1.o) $$<
+	$(Q)$$(BPFTOOL) gen object $$(<:.o=.llinked2.o) $$(<:.o=.llinked1.o)
+	$(Q)$$(BPFTOOL) gen object $$(<:.o=.llinked3.o) $$(<:.o=.llinked2.o)
+	$(Q)diff $$(<:.o=.llinked2.o) $$(<:.o=.llinked3.o)
+	$(Q)$$(BPFTOOL) gen skeleton -L $$(<:.o=.llinked3.o) name $$(notdir $$(<:.bpf.o=_lskel)) > $$@
+
+$(TRUNNER_BPF_SKELS_LINKED): $(TRUNNER_BPF_OBJS) $(BPFTOOL) | $(TRUNNER_OUTPUT)
+	$$(call msg,LINK-BPF,$(TRUNNER_BINARY),$$(@:.skel.h=.bpf.o))
+	$(Q)$$(BPFTOOL) gen object $$(@:.skel.h=.linked1.o) $$(addprefix $(TRUNNER_OUTPUT)/,$$($$(@F)-deps))
+	$(Q)$$(BPFTOOL) gen object $$(@:.skel.h=.linked2.o) $$(@:.skel.h=.linked1.o)
+	$(Q)$$(BPFTOOL) gen object $$(@:.skel.h=.linked3.o) $$(@:.skel.h=.linked2.o)
+	$(Q)diff $$(@:.skel.h=.linked2.o) $$(@:.skel.h=.linked3.o)
+	$$(call msg,GEN-SKEL,$(TRUNNER_BINARY),$$@)
+	$(Q)$$(BPFTOOL) gen skeleton $$(@:.skel.h=.linked3.o) name $$(notdir $$(@:.skel.h=)) > $$@
+	$(Q)$$(BPFTOOL) gen subskeleton $$(@:.skel.h=.linked3.o) name $$(notdir $$(@:.skel.h=)) > $$(@:.skel.h=.subskel.h)
+endif
+
+# ensure we set up tests.h header generation rule just once
+ifeq ($($(TRUNNER_TESTS_DIR)-tests-hdr),)
+$(TRUNNER_TESTS_DIR)-tests-hdr := y
+$(TRUNNER_TESTS_HDR): $(TRUNNER_TESTS_DIR)/*.c
+	$$(call msg,TEST-HDR,$(TRUNNER_BINARY),$$@)
+	$$(shell (echo '/* Generated header, do not edit */';					\
+		  sed -n -E 's/^void (serial_)?test_([a-zA-Z0-9_]+)\((void)?\).*/DEFINE_TEST(\2)/p'	\
+			$(TRUNNER_TESTS_DIR)/*.c | sort ;	\
+		 ) > $$@)
+endif
+
+# compile individual test files
+# Note: we cd into output directory to ensure embedded BPF object is found
+$(TRUNNER_TEST_OBJS): $(TRUNNER_OUTPUT)/%.test.o:			\
+		      $(TRUNNER_TESTS_DIR)/%.c				\
+		      $(TRUNNER_EXTRA_HDRS)				\
+		      $(TRUNNER_BPF_OBJS)				\
+		      $(TRUNNER_BPF_SKELS)				\
+		      $(TRUNNER_BPF_LSKELS)				\
+		      $(TRUNNER_BPF_SKELS_LINKED)			\
+		      $$(BPFOBJ) | $(TRUNNER_OUTPUT)
+	$$(call msg,TEST-OBJ,$(TRUNNER_BINARY),$$@)
+	$(Q)cd $$(@D) && $$(CC) -I. $$(CFLAGS) -c $(CURDIR)/$$< $$(LDLIBS) -o $$(@F)
+
+$(TRUNNER_EXTRA_OBJS): $(TRUNNER_OUTPUT)/%.o:				\
+		       %.c						\
+		       $(TRUNNER_EXTRA_HDRS)				\
+		       $(TRUNNER_TESTS_HDR)				\
+		       $$(BPFOBJ) | $(TRUNNER_OUTPUT)
+	$$(call msg,EXT-OBJ,$(TRUNNER_BINARY),$$@)
+	$(Q)$$(CC) $$(CFLAGS) -c $$< $$(LDLIBS) -o $$@
+
+# non-flavored in-srctree builds receive special treatment, in particular, we
+# do not need to copy extra resources (see e.g. test_btf_dump_case())
+$(TRUNNER_BINARY)-extras: $(TRUNNER_EXTRA_FILES) | $(TRUNNER_OUTPUT)
+ifneq ($2:$(OUTPUT),:$(shell pwd))
+	$$(call msg,EXT-COPY,$(TRUNNER_BINARY),$(TRUNNER_EXTRA_FILES))
+	$(Q)rsync -aq $$^ $(TRUNNER_OUTPUT)/
+endif
+
+$(OUTPUT)/$(TRUNNER_BINARY): $(TRUNNER_TEST_OBJS)			\
+			     $(TRUNNER_EXTRA_OBJS) $$(BPFOBJ)		\
+			     $(RESOLVE_BTFIDS)				\
+			     | $(TRUNNER_BINARY)-extras
+	$$(call msg,BINARY,,$$@)
+	$(Q)$$(CC) $$(CFLAGS) $$(filter %.a %.o,$$^) $$(LDLIBS) -o $$@
+	$(Q)$(RESOLVE_BTFIDS) --btf $(TRUNNER_OUTPUT)/btf_data.bpf.o $$@
+	$(Q)ln -sf $(if $2,..,.)/tools/build/bpftool/bootstrap/bpftool $(if $2,$2/)bpftool
+
+endef
+
+# Define test_progs test runner.
+TRUNNER_TESTS_DIR := prog_tests
+TRUNNER_BPF_PROGS_DIR := progs
+TRUNNER_EXTRA_SOURCES := test_progs.c cgroup_helpers.c trace_helpers.c	\
+			 network_helpers.c testing_helpers.c		\
+			 btf_helpers.c flow_dissector_load.h		\
+			 cap_helpers.c
+TRUNNER_EXTRA_FILES := $(OUTPUT)/urandom_read $(OUTPUT)/bpf_testmod.ko	\
+		       $(OUTPUT)/liburandom_read.so			\
+		       $(OUTPUT)/xdp_synproxy				\
+		       $(OUTPUT)/sign-file				\
+		       ima_setup.sh verify_sig_setup.sh			\
+		       $(wildcard progs/btf_dump_test_case_*.c)
+TRUNNER_BPF_BUILD_RULE := CLANG_BPF_BUILD_RULE
+TRUNNER_BPF_CFLAGS := $(BPF_CFLAGS) $(CLANG_CFLAGS) -DENABLE_ATOMICS_TESTS
+$(eval $(call DEFINE_TEST_RUNNER,test_progs))
+
+# Define test_progs-no_alu32 test runner.
+TRUNNER_BPF_BUILD_RULE := CLANG_NOALU32_BPF_BUILD_RULE
+TRUNNER_BPF_CFLAGS := $(BPF_CFLAGS) $(CLANG_CFLAGS)
+$(eval $(call DEFINE_TEST_RUNNER,test_progs,no_alu32))
+
+# Define test_progs BPF-GCC-flavored test runner.
+ifneq ($(BPF_GCC),)
+TRUNNER_BPF_BUILD_RULE := GCC_BPF_BUILD_RULE
+TRUNNER_BPF_CFLAGS := $(BPF_CFLAGS) $(call get_sys_includes,gcc)
+$(eval $(call DEFINE_TEST_RUNNER,test_progs,bpf_gcc))
+endif
+
+# Define test_maps test runner.
+TRUNNER_TESTS_DIR := map_tests
+TRUNNER_BPF_PROGS_DIR := progs
+TRUNNER_EXTRA_SOURCES := test_maps.c
+TRUNNER_EXTRA_FILES :=
+TRUNNER_BPF_BUILD_RULE := $$(error no BPF objects should be built)
+TRUNNER_BPF_CFLAGS :=
+$(eval $(call DEFINE_TEST_RUNNER,test_maps))
+
+# Define test_verifier test runner.
+# It is much simpler than test_maps/test_progs and sufficiently different from
+# them (e.g., test.h is using completely pattern), that it's worth just
+# explicitly defining all the rules explicitly.
+verifier/tests.h: verifier/*.c
+	$(shell ( cd verifier/; \
+		  echo '/* Generated header, do not edit */'; \
+		  echo '#ifdef FILL_ARRAY'; \
+		  ls *.c 2> /dev/null | sed -e 's@\(.*\)@#include \"\1\"@'; \
+		  echo '#endif' \
+		) > verifier/tests.h)
+$(OUTPUT)/test_verifier: test_verifier.c verifier/tests.h $(BPFOBJ) | $(OUTPUT)
+	$(call msg,BINARY,,$@)
+	$(Q)$(CC) $(CFLAGS) $(filter %.a %.o %.c,$^) $(LDLIBS) -o $@
+
+# Make sure we are able to include and link libbpf against c++.
+$(OUTPUT)/test_cpp: test_cpp.cpp $(OUTPUT)/test_core_extern.skel.h $(BPFOBJ)
+	$(call msg,CXX,,$@)
+	$(Q)$(CXX) $(CFLAGS) $(filter %.a %.o %.cpp,$^) $(LDLIBS) -o $@
+
+# Benchmark runner
+$(OUTPUT)/bench_%.o: benchs/bench_%.c bench.h $(BPFOBJ)
+	$(call msg,CC,,$@)
+	$(Q)$(CC) $(CFLAGS) -O2 -c $(filter %.c,$^) $(LDLIBS) -o $@
+$(OUTPUT)/bench_rename.o: $(OUTPUT)/test_overhead.skel.h
+$(OUTPUT)/bench_trigger.o: $(OUTPUT)/trigger_bench.skel.h
+$(OUTPUT)/bench_ringbufs.o: $(OUTPUT)/ringbuf_bench.skel.h \
+			    $(OUTPUT)/perfbuf_bench.skel.h
+$(OUTPUT)/bench_bloom_filter_map.o: $(OUTPUT)/bloom_filter_bench.skel.h
+$(OUTPUT)/bench_bpf_loop.o: $(OUTPUT)/bpf_loop_bench.skel.h
+$(OUTPUT)/bench_strncmp.o: $(OUTPUT)/strncmp_bench.skel.h
+$(OUTPUT)/bench_bpf_hashmap_full_update.o: $(OUTPUT)/bpf_hashmap_full_update_bench.skel.h
+$(OUTPUT)/bench_local_storage.o: $(OUTPUT)/local_storage_bench.skel.h
+$(OUTPUT)/bench_local_storage_rcu_tasks_trace.o: $(OUTPUT)/local_storage_rcu_tasks_trace_bench.skel.h
+$(OUTPUT)/bench.o: bench.h testing_helpers.h $(BPFOBJ)
+$(OUTPUT)/bench: LDLIBS += -lm
+$(OUTPUT)/bench: $(OUTPUT)/bench.o \
+		 $(TESTING_HELPERS) \
+		 $(TRACE_HELPERS) \
+		 $(OUTPUT)/bench_count.o \
+		 $(OUTPUT)/bench_rename.o \
+		 $(OUTPUT)/bench_trigger.o \
+		 $(OUTPUT)/bench_ringbufs.o \
+		 $(OUTPUT)/bench_bloom_filter_map.o \
+		 $(OUTPUT)/bench_bpf_loop.o \
+		 $(OUTPUT)/bench_strncmp.o \
+		 $(OUTPUT)/bench_bpf_hashmap_full_update.o \
+		 $(OUTPUT)/bench_local_storage.o \
+		 $(OUTPUT)/bench_local_storage_rcu_tasks_trace.o
+	$(call msg,BINARY,,$@)
+	$(Q)$(CC) $(CFLAGS) $(LDFLAGS) $(filter %.a %.o,$^) $(LDLIBS) -o $@
+
+$(OUTPUT)/veristat.o: $(BPFOBJ)
+$(OUTPUT)/veristat: $(OUTPUT)/veristat.o
+	$(call msg,BINARY,,$@)
+	$(Q)$(CC) $(CFLAGS) $(LDFLAGS) $(filter %.a %.o,$^) $(LDLIBS) -o $@
+
+EXTRA_CLEAN := $(TEST_CUSTOM_PROGS) $(SCRATCH_DIR) $(HOST_SCRATCH_DIR)	\
+	prog_tests/tests.h map_tests/tests.h verifier/tests.h		\
+	feature bpftool							\
+	$(addprefix $(OUTPUT)/,*.o *.skel.h *.lskel.h *.subskel.h	\
+			       no_alu32 bpf_gcc bpf_testmod.ko		\
+			       liburandom_read.so)
+
+.PHONY: docs docs-clean
diff --git a/tools/testing/selftests/bpf/Makefile.docs b/tools/testing/selftests/bpf/Makefile.docs
new file mode 100644
index 000000000..eb6a4fea8
--- /dev/null
+++ b/tools/testing/selftests/bpf/Makefile.docs
@@ -0,0 +1,83 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
+include ../../../scripts/Makefile.include
+include ../../../scripts/utilities.mak
+
+INSTALL ?= install
+RM ?= rm -f
+RMDIR ?= rmdir --ignore-fail-on-non-empty
+
+ifeq ($(V),1)
+  Q =
+else
+  Q = @
+endif
+
+prefix ?= /usr/local
+mandir ?= $(prefix)/man
+man2dir = $(mandir)/man2
+man7dir = $(mandir)/man7
+
+SYSCALL_RST = bpf-syscall.rst
+MAN2_RST = $(SYSCALL_RST)
+
+HELPERS_RST = bpf-helpers.rst
+MAN7_RST = $(HELPERS_RST)
+
+_DOC_MAN2 = $(patsubst %.rst,%.2,$(MAN2_RST))
+DOC_MAN2 = $(addprefix $(OUTPUT),$(_DOC_MAN2))
+
+_DOC_MAN7 = $(patsubst %.rst,%.7,$(MAN7_RST))
+DOC_MAN7 = $(addprefix $(OUTPUT),$(_DOC_MAN7))
+
+DOCTARGETS := helpers syscall
+
+docs: $(DOCTARGETS)
+syscall: man2
+helpers: man7
+man2: $(DOC_MAN2)
+man7: $(DOC_MAN7)
+
+RST2MAN_DEP := $(shell command -v rst2man 2>/dev/null)
+
+# Configure make rules for the man page bpf-$1.$2.
+# $1 - target for scripts/bpf_doc.py
+# $2 - man page section to generate the troff file
+define DOCS_RULES =
+$(OUTPUT)bpf-$1.rst: ../../../../include/uapi/linux/bpf.h
+	$$(QUIET_GEN)../../../../scripts/bpf_doc.py $1 \
+		--filename $$< > $$@
+
+$(OUTPUT)%.$2: $(OUTPUT)%.rst
+ifndef RST2MAN_DEP
+	$$(error "rst2man not found, but required to generate man pages")
+endif
+	$$(QUIET_GEN)rst2man --exit-status=1 $$< > $$@.tmp
+	$$(QUIET_GEN)mv $$@.tmp $$@
+
+docs-clean-$1:
+	$$(call QUIET_CLEAN, eBPF_$1-manpage)
+	$(Q)$(RM) $$(DOC_MAN$2) $(OUTPUT)bpf-$1.rst
+
+docs-install-$1: docs
+	$$(call QUIET_INSTALL, eBPF_$1-manpage)
+	$(Q)$(INSTALL) -d -m 755 $(DESTDIR)$$(man$2dir)
+	$(Q)$(INSTALL) -m 644 $$(DOC_MAN$2) $(DESTDIR)$$(man$2dir)
+
+docs-uninstall-$1:
+	$$(call QUIET_UNINST, eBPF_$1-manpage)
+	$(Q)$(RM) $$(addprefix $(DESTDIR)$$(man$2dir)/,$$(_DOC_MAN$2))
+	$(Q)$(RMDIR) $(DESTDIR)$$(man$2dir)
+
+.PHONY: $1 docs-clean-$1 docs-install-$1 docs-uninstall-$1
+endef
+
+# Create the make targets to generate manual pages by name and section
+$(eval $(call DOCS_RULES,helpers,7))
+$(eval $(call DOCS_RULES,syscall,2))
+
+docs-clean: $(foreach doctarget,$(DOCTARGETS), docs-clean-$(doctarget))
+docs-install: $(foreach doctarget,$(DOCTARGETS), docs-install-$(doctarget))
+docs-uninstall: $(foreach doctarget,$(DOCTARGETS), docs-uninstall-$(doctarget))
+
+.PHONY: docs docs-clean docs-install docs-uninstall man2 man7
diff --git a/tools/testing/selftests/bpf/README.rst b/tools/testing/selftests/bpf/README.rst
new file mode 100644
index 000000000..d3c6b3da0
--- /dev/null
+++ b/tools/testing/selftests/bpf/README.rst
@@ -0,0 +1,268 @@
+==================
+BPF Selftest Notes
+==================
+General instructions on running selftests can be found in
+`Documentation/bpf/bpf_devel_QA.rst`__.
+
+__ /Documentation/bpf/bpf_devel_QA.rst#q-how-to-run-bpf-selftests
+
+=========================
+Running Selftests in a VM
+=========================
+
+It's now possible to run the selftests using ``tools/testing/selftests/bpf/vmtest.sh``.
+The script tries to ensure that the tests are run with the same environment as they
+would be run post-submit in the CI used by the Maintainers.
+
+This script downloads a suitable Kconfig and VM userspace image from the system used by
+the CI. It builds the kernel (without overwriting your existing Kconfig), recompiles the
+bpf selftests, runs them (by default ``tools/testing/selftests/bpf/test_progs``) and
+saves the resulting output (by default in ``~/.bpf_selftests``).
+
+Script dependencies:
+- clang (preferably built from sources, https://github.com/llvm/llvm-project);
+- pahole (preferably built from sources, https://git.kernel.org/pub/scm/devel/pahole/pahole.git/);
+- qemu;
+- docutils (for ``rst2man``);
+- libcap-devel.
+
+For more information on about using the script, run:
+
+.. code-block:: console
+
+  $ tools/testing/selftests/bpf/vmtest.sh -h
+
+In case of linker errors when running selftests, try using static linking:
+
+.. code-block:: console
+
+  $ LDLIBS=-static vmtest.sh
+
+.. note:: Some distros may not support static linking.
+
+.. note:: The script uses pahole and clang based on host environment setting.
+          If you want to change pahole and llvm, you can change `PATH` environment
+          variable in the beginning of script.
+
+.. note:: The script currently only supports x86_64 and s390x architectures.
+
+Additional information about selftest failures are
+documented here.
+
+profiler[23] test failures with clang/llvm <12.0.0
+==================================================
+
+With clang/llvm <12.0.0, the profiler[23] test may fail.
+The symptom looks like
+
+.. code-block:: c
+
+  // r9 is a pointer to map_value
+  // r7 is a scalar
+  17:       bf 96 00 00 00 00 00 00 r6 = r9
+  18:       0f 76 00 00 00 00 00 00 r6 += r7
+  math between map_value pointer and register with unbounded min value is not allowed
+
+  // the instructions below will not be seen in the verifier log
+  19:       a5 07 01 00 01 01 00 00 if r7 < 257 goto +1
+  20:       bf 96 00 00 00 00 00 00 r6 = r9
+  // r6 is used here
+
+The verifier will reject such code with above error.
+At insn 18 the r7 is indeed unbounded. The later insn 19 checks the bounds and
+the insn 20 undoes map_value addition. It is currently impossible for the
+verifier to understand such speculative pointer arithmetic.
+Hence `this patch`__ addresses it on the compiler side. It was committed on llvm 12.
+
+__ https://reviews.llvm.org/D85570
+
+The corresponding C code
+
+.. code-block:: c
+
+  for (int i = 0; i < MAX_CGROUPS_PATH_DEPTH; i++) {
+          filepart_length = bpf_probe_read_str(payload, ...);
+          if (filepart_length <= MAX_PATH) {
+                  barrier_var(filepart_length); // workaround
+                  payload += filepart_length;
+          }
+  }
+
+bpf_iter test failures with clang/llvm 10.0.0
+=============================================
+
+With clang/llvm 10.0.0, the following two bpf_iter tests failed:
+  * ``bpf_iter/ipv6_route``
+  * ``bpf_iter/netlink``
+
+The symptom for ``bpf_iter/ipv6_route`` looks like
+
+.. code-block:: c
+
+  2: (79) r8 = *(u64 *)(r1 +8)
+  ...
+  14: (bf) r2 = r8
+  15: (0f) r2 += r1
+  ; BPF_SEQ_PRINTF(seq, "%pi6 %02x ", &rt->fib6_dst.addr, rt->fib6_dst.plen);
+  16: (7b) *(u64 *)(r8 +64) = r2
+  only read is supported
+
+The symptom for ``bpf_iter/netlink`` looks like
+
+.. code-block:: c
+
+  ; struct netlink_sock *nlk = ctx->sk;
+  2: (79) r7 = *(u64 *)(r1 +8)
+  ...
+  15: (bf) r2 = r7
+  16: (0f) r2 += r1
+  ; BPF_SEQ_PRINTF(seq, "%pK %-3d ", s, s->sk_protocol);
+  17: (7b) *(u64 *)(r7 +0) = r2
+  only read is supported
+
+This is due to a llvm BPF backend bug. `The fix`__
+has been pushed to llvm 10.x release branch and will be
+available in 10.0.1. The patch is available in llvm 11.0.0 trunk.
+
+__  https://reviews.llvm.org/D78466
+
+bpf_verif_scale/loop6.bpf.o test failure with Clang 12
+======================================================
+
+With Clang 12, the following bpf_verif_scale test failed:
+  * ``bpf_verif_scale/loop6.bpf.o``
+
+The verifier output looks like
+
+.. code-block:: c
+
+  R1 type=ctx expected=fp
+  The sequence of 8193 jumps is too complex.
+
+The reason is compiler generating the following code
+
+.. code-block:: c
+
+  ;       for (i = 0; (i < VIRTIO_MAX_SGS) && (i < num); i++) {
+      14:       16 05 40 00 00 00 00 00 if w5 == 0 goto +64 <LBB0_6>
+      15:       bc 51 00 00 00 00 00 00 w1 = w5
+      16:       04 01 00 00 ff ff ff ff w1 += -1
+      17:       67 05 00 00 20 00 00 00 r5 <<= 32
+      18:       77 05 00 00 20 00 00 00 r5 >>= 32
+      19:       a6 01 01 00 05 00 00 00 if w1 < 5 goto +1 <LBB0_4>
+      20:       b7 05 00 00 06 00 00 00 r5 = 6
+  00000000000000a8 <LBB0_4>:
+      21:       b7 02 00 00 00 00 00 00 r2 = 0
+      22:       b7 01 00 00 00 00 00 00 r1 = 0
+  ;       for (i = 0; (i < VIRTIO_MAX_SGS) && (i < num); i++) {
+      23:       7b 1a e0 ff 00 00 00 00 *(u64 *)(r10 - 32) = r1
+      24:       7b 5a c0 ff 00 00 00 00 *(u64 *)(r10 - 64) = r5
+
+Note that insn #15 has w1 = w5 and w1 is refined later but
+r5(w5) is eventually saved on stack at insn #24 for later use.
+This cause later verifier failure. The bug has been `fixed`__ in
+Clang 13.
+
+__  https://reviews.llvm.org/D97479
+
+BPF CO-RE-based tests and Clang version
+=======================================
+
+A set of selftests use BPF target-specific built-ins, which might require
+bleeding-edge Clang versions (Clang 12 nightly at this time).
+
+Few sub-tests of core_reloc test suit (part of test_progs test runner) require
+the following built-ins, listed with corresponding Clang diffs introducing
+them to Clang/LLVM. These sub-tests are going to be skipped if Clang is too
+old to support them, they shouldn't cause build failures or runtime test
+failures:
+
+- __builtin_btf_type_id() [0_, 1_, 2_];
+- __builtin_preserve_type_info(), __builtin_preserve_enum_value() [3_, 4_].
+
+.. _0: https://reviews.llvm.org/D74572
+.. _1: https://reviews.llvm.org/D74668
+.. _2: https://reviews.llvm.org/D85174
+.. _3: https://reviews.llvm.org/D83878
+.. _4: https://reviews.llvm.org/D83242
+
+Floating-point tests and Clang version
+======================================
+
+Certain selftests, e.g. core_reloc, require support for the floating-point
+types, which was introduced in `Clang 13`__. The older Clang versions will
+either crash when compiling these tests, or generate an incorrect BTF.
+
+__  https://reviews.llvm.org/D83289
+
+Kernel function call test and Clang version
+===========================================
+
+Some selftests (e.g. kfunc_call and bpf_tcp_ca) require a LLVM support
+to generate extern function in BTF.  It was introduced in `Clang 13`__.
+
+Without it, the error from compiling bpf selftests looks like:
+
+.. code-block:: console
+
+  libbpf: failed to find BTF for extern 'tcp_slow_start' [25] section: -2
+
+__ https://reviews.llvm.org/D93563
+
+btf_tag test and Clang version
+==============================
+
+The btf_tag selftest requires LLVM support to recognize the btf_decl_tag and
+btf_type_tag attributes. They are introduced in `Clang 14` [0_, 1_].
+The subtests ``btf_type_tag_user_{mod1, mod2, vmlinux}`` also requires
+pahole version ``1.23``.
+
+Without them, the btf_tag selftest will be skipped and you will observe:
+
+.. code-block:: console
+
+  #<test_num> btf_tag:SKIP
+
+.. _0: https://reviews.llvm.org/D111588
+.. _1: https://reviews.llvm.org/D111199
+
+Clang dependencies for static linking tests
+===========================================
+
+linked_vars, linked_maps, and linked_funcs tests depend on `Clang fix`__ to
+generate valid BTF information for weak variables. Please make sure you use
+Clang that contains the fix.
+
+__ https://reviews.llvm.org/D100362
+
+Clang relocation changes
+========================
+
+Clang 13 patch `clang reloc patch`_  made some changes on relocations such
+that existing relocation types are broken into more types and
+each new type corresponds to only one way to resolve relocation.
+See `kernel llvm reloc`_ for more explanation and some examples.
+Using clang 13 to compile old libbpf which has static linker support,
+there will be a compilation failure::
+
+  libbpf: ELF relo #0 in section #6 has unexpected type 2 in .../bpf_tcp_nogpl.bpf.o
+
+Here, ``type 2`` refers to new relocation type ``R_BPF_64_ABS64``.
+To fix this issue, user newer libbpf.
+
+.. Links
+.. _clang reloc patch: https://reviews.llvm.org/D102712
+.. _kernel llvm reloc: /Documentation/bpf/llvm_reloc.rst
+
+Clang dependencies for the u32 spill test (xdpwall)
+===================================================
+The xdpwall selftest requires a change in `Clang 14`__.
+
+Without it, the xdpwall selftest will fail and the error message
+from running test_progs will look like:
+
+.. code-block:: console
+
+  test_xdpwall:FAIL:Does LLVM have https://reviews.llvm.org/D109073? unexpected error: -4007
+
+__ https://reviews.llvm.org/D109073
diff --git a/tools/testing/selftests/bpf/bench.c b/tools/testing/selftests/bpf/bench.c
new file mode 100644
index 000000000..c1f20a147
--- /dev/null
+++ b/tools/testing/selftests/bpf/bench.c
@@ -0,0 +1,650 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2020 Facebook */
+#define _GNU_SOURCE
+#include <argp.h>
+#include <linux/compiler.h>
+#include <sys/time.h>
+#include <sched.h>
+#include <fcntl.h>
+#include <pthread.h>
+#include <sys/sysinfo.h>
+#include <signal.h>
+#include "bench.h"
+#include "testing_helpers.h"
+
+struct env env = {
+	.warmup_sec = 1,
+	.duration_sec = 5,
+	.affinity = false,
+	.consumer_cnt = 1,
+	.producer_cnt = 1,
+};
+
+static int libbpf_print_fn(enum libbpf_print_level level,
+		    const char *format, va_list args)
+{
+	if (level == LIBBPF_DEBUG && !env.verbose)
+		return 0;
+	return vfprintf(stderr, format, args);
+}
+
+void setup_libbpf(void)
+{
+	libbpf_set_strict_mode(LIBBPF_STRICT_ALL);
+	libbpf_set_print(libbpf_print_fn);
+}
+
+void false_hits_report_progress(int iter, struct bench_res *res, long delta_ns)
+{
+	long total = res->false_hits  + res->hits + res->drops;
+
+	printf("Iter %3d (%7.3lfus): ",
+	       iter, (delta_ns - 1000000000) / 1000.0);
+
+	printf("%ld false hits of %ld total operations. Percentage = %2.2f %%\n",
+	       res->false_hits, total, ((float)res->false_hits / total) * 100);
+}
+
+void false_hits_report_final(struct bench_res res[], int res_cnt)
+{
+	long total_hits = 0, total_drops = 0, total_false_hits = 0, total_ops = 0;
+	int i;
+
+	for (i = 0; i < res_cnt; i++) {
+		total_hits += res[i].hits;
+		total_false_hits += res[i].false_hits;
+		total_drops += res[i].drops;
+	}
+	total_ops = total_hits + total_false_hits + total_drops;
+
+	printf("Summary: %ld false hits of %ld total operations. ",
+	       total_false_hits, total_ops);
+	printf("Percentage =  %2.2f %%\n",
+	       ((float)total_false_hits / total_ops) * 100);
+}
+
+void hits_drops_report_progress(int iter, struct bench_res *res, long delta_ns)
+{
+	double hits_per_sec, drops_per_sec;
+	double hits_per_prod;
+
+	hits_per_sec = res->hits / 1000000.0 / (delta_ns / 1000000000.0);
+	hits_per_prod = hits_per_sec / env.producer_cnt;
+	drops_per_sec = res->drops / 1000000.0 / (delta_ns / 1000000000.0);
+
+	printf("Iter %3d (%7.3lfus): ",
+	       iter, (delta_ns - 1000000000) / 1000.0);
+
+	printf("hits %8.3lfM/s (%7.3lfM/prod), drops %8.3lfM/s, total operations %8.3lfM/s\n",
+	       hits_per_sec, hits_per_prod, drops_per_sec, hits_per_sec + drops_per_sec);
+}
+
+void
+grace_period_latency_basic_stats(struct bench_res res[], int res_cnt, struct basic_stats *gp_stat)
+{
+	int i;
+
+	memset(gp_stat, 0, sizeof(struct basic_stats));
+
+	for (i = 0; i < res_cnt; i++)
+		gp_stat->mean += res[i].gp_ns / 1000.0 / (double)res[i].gp_ct / (0.0 + res_cnt);
+
+#define IT_MEAN_DIFF (res[i].gp_ns / 1000.0 / (double)res[i].gp_ct - gp_stat->mean)
+	if (res_cnt > 1) {
+		for (i = 0; i < res_cnt; i++)
+			gp_stat->stddev += (IT_MEAN_DIFF * IT_MEAN_DIFF) / (res_cnt - 1.0);
+	}
+	gp_stat->stddev = sqrt(gp_stat->stddev);
+#undef IT_MEAN_DIFF
+}
+
+void
+grace_period_ticks_basic_stats(struct bench_res res[], int res_cnt, struct basic_stats *gp_stat)
+{
+	int i;
+
+	memset(gp_stat, 0, sizeof(struct basic_stats));
+	for (i = 0; i < res_cnt; i++)
+		gp_stat->mean += res[i].stime / (double)res[i].gp_ct / (0.0 + res_cnt);
+
+#define IT_MEAN_DIFF (res[i].stime / (double)res[i].gp_ct - gp_stat->mean)
+	if (res_cnt > 1) {
+		for (i = 0; i < res_cnt; i++)
+			gp_stat->stddev += (IT_MEAN_DIFF * IT_MEAN_DIFF) / (res_cnt - 1.0);
+	}
+	gp_stat->stddev = sqrt(gp_stat->stddev);
+#undef IT_MEAN_DIFF
+}
+
+void hits_drops_report_final(struct bench_res res[], int res_cnt)
+{
+	int i;
+	double hits_mean = 0.0, drops_mean = 0.0, total_ops_mean = 0.0;
+	double hits_stddev = 0.0, drops_stddev = 0.0, total_ops_stddev = 0.0;
+	double total_ops;
+
+	for (i = 0; i < res_cnt; i++) {
+		hits_mean += res[i].hits / 1000000.0 / (0.0 + res_cnt);
+		drops_mean += res[i].drops / 1000000.0 / (0.0 + res_cnt);
+	}
+	total_ops_mean = hits_mean + drops_mean;
+
+	if (res_cnt > 1)  {
+		for (i = 0; i < res_cnt; i++) {
+			hits_stddev += (hits_mean - res[i].hits / 1000000.0) *
+				       (hits_mean - res[i].hits / 1000000.0) /
+				       (res_cnt - 1.0);
+			drops_stddev += (drops_mean - res[i].drops / 1000000.0) *
+					(drops_mean - res[i].drops / 1000000.0) /
+					(res_cnt - 1.0);
+			total_ops = res[i].hits + res[i].drops;
+			total_ops_stddev += (total_ops_mean - total_ops / 1000000.0) *
+					(total_ops_mean - total_ops / 1000000.0) /
+					(res_cnt - 1.0);
+		}
+		hits_stddev = sqrt(hits_stddev);
+		drops_stddev = sqrt(drops_stddev);
+		total_ops_stddev = sqrt(total_ops_stddev);
+	}
+	printf("Summary: hits %8.3lf \u00B1 %5.3lfM/s (%7.3lfM/prod), ",
+	       hits_mean, hits_stddev, hits_mean / env.producer_cnt);
+	printf("drops %8.3lf \u00B1 %5.3lfM/s, ",
+	       drops_mean, drops_stddev);
+	printf("total operations %8.3lf \u00B1 %5.3lfM/s\n",
+	       total_ops_mean, total_ops_stddev);
+}
+
+void ops_report_progress(int iter, struct bench_res *res, long delta_ns)
+{
+	double hits_per_sec, hits_per_prod;
+
+	hits_per_sec = res->hits / 1000000.0 / (delta_ns / 1000000000.0);
+	hits_per_prod = hits_per_sec / env.producer_cnt;
+
+	printf("Iter %3d (%7.3lfus): ", iter, (delta_ns - 1000000000) / 1000.0);
+
+	printf("hits %8.3lfM/s (%7.3lfM/prod)\n", hits_per_sec, hits_per_prod);
+}
+
+void ops_report_final(struct bench_res res[], int res_cnt)
+{
+	double hits_mean = 0.0, hits_stddev = 0.0;
+	int i;
+
+	for (i = 0; i < res_cnt; i++)
+		hits_mean += res[i].hits / 1000000.0 / (0.0 + res_cnt);
+
+	if (res_cnt > 1)  {
+		for (i = 0; i < res_cnt; i++)
+			hits_stddev += (hits_mean - res[i].hits / 1000000.0) *
+				       (hits_mean - res[i].hits / 1000000.0) /
+				       (res_cnt - 1.0);
+
+		hits_stddev = sqrt(hits_stddev);
+	}
+	printf("Summary: throughput %8.3lf \u00B1 %5.3lf M ops/s (%7.3lfM ops/prod), ",
+	       hits_mean, hits_stddev, hits_mean / env.producer_cnt);
+	printf("latency %8.3lf ns/op\n", 1000.0 / hits_mean * env.producer_cnt);
+}
+
+void local_storage_report_progress(int iter, struct bench_res *res,
+				   long delta_ns)
+{
+	double important_hits_per_sec, hits_per_sec;
+	double delta_sec = delta_ns / 1000000000.0;
+
+	hits_per_sec = res->hits / 1000000.0 / delta_sec;
+	important_hits_per_sec = res->important_hits / 1000000.0 / delta_sec;
+
+	printf("Iter %3d (%7.3lfus): ", iter, (delta_ns - 1000000000) / 1000.0);
+
+	printf("hits %8.3lfM/s ", hits_per_sec);
+	printf("important_hits %8.3lfM/s\n", important_hits_per_sec);
+}
+
+void local_storage_report_final(struct bench_res res[], int res_cnt)
+{
+	double important_hits_mean = 0.0, important_hits_stddev = 0.0;
+	double hits_mean = 0.0, hits_stddev = 0.0;
+	int i;
+
+	for (i = 0; i < res_cnt; i++) {
+		hits_mean += res[i].hits / 1000000.0 / (0.0 + res_cnt);
+		important_hits_mean += res[i].important_hits / 1000000.0 / (0.0 + res_cnt);
+	}
+
+	if (res_cnt > 1)  {
+		for (i = 0; i < res_cnt; i++) {
+			hits_stddev += (hits_mean - res[i].hits / 1000000.0) *
+				       (hits_mean - res[i].hits / 1000000.0) /
+				       (res_cnt - 1.0);
+			important_hits_stddev +=
+				       (important_hits_mean - res[i].important_hits / 1000000.0) *
+				       (important_hits_mean - res[i].important_hits / 1000000.0) /
+				       (res_cnt - 1.0);
+		}
+
+		hits_stddev = sqrt(hits_stddev);
+		important_hits_stddev = sqrt(important_hits_stddev);
+	}
+	printf("Summary: hits throughput %8.3lf \u00B1 %5.3lf M ops/s, ",
+	       hits_mean, hits_stddev);
+	printf("hits latency %8.3lf ns/op, ", 1000.0 / hits_mean);
+	printf("important_hits throughput %8.3lf \u00B1 %5.3lf M ops/s\n",
+	       important_hits_mean, important_hits_stddev);
+}
+
+const char *argp_program_version = "benchmark";
+const char *argp_program_bug_address = "<bpf@vger.kernel.org>";
+const char argp_program_doc[] =
+"benchmark    Generic benchmarking framework.\n"
+"\n"
+"This tool runs benchmarks.\n"
+"\n"
+"USAGE: benchmark <bench-name>\n"
+"\n"
+"EXAMPLES:\n"
+"    # run 'count-local' benchmark with 1 producer and 1 consumer\n"
+"    benchmark count-local\n"
+"    # run 'count-local' with 16 producer and 8 consumer thread, pinned to CPUs\n"
+"    benchmark -p16 -c8 -a count-local\n";
+
+enum {
+	ARG_PROD_AFFINITY_SET = 1000,
+	ARG_CONS_AFFINITY_SET = 1001,
+};
+
+static const struct argp_option opts[] = {
+	{ "list", 'l', NULL, 0, "List available benchmarks"},
+	{ "duration", 'd', "SEC", 0, "Duration of benchmark, seconds"},
+	{ "warmup", 'w', "SEC", 0, "Warm-up period, seconds"},
+	{ "producers", 'p', "NUM", 0, "Number of producer threads"},
+	{ "consumers", 'c', "NUM", 0, "Number of consumer threads"},
+	{ "verbose", 'v', NULL, 0, "Verbose debug output"},
+	{ "affinity", 'a', NULL, 0, "Set consumer/producer thread affinity"},
+	{ "prod-affinity", ARG_PROD_AFFINITY_SET, "CPUSET", 0,
+	  "Set of CPUs for producer threads; implies --affinity"},
+	{ "cons-affinity", ARG_CONS_AFFINITY_SET, "CPUSET", 0,
+	  "Set of CPUs for consumer threads; implies --affinity"},
+	{},
+};
+
+extern struct argp bench_ringbufs_argp;
+extern struct argp bench_bloom_map_argp;
+extern struct argp bench_bpf_loop_argp;
+extern struct argp bench_local_storage_argp;
+extern struct argp bench_local_storage_rcu_tasks_trace_argp;
+extern struct argp bench_strncmp_argp;
+
+static const struct argp_child bench_parsers[] = {
+	{ &bench_ringbufs_argp, 0, "Ring buffers benchmark", 0 },
+	{ &bench_bloom_map_argp, 0, "Bloom filter map benchmark", 0 },
+	{ &bench_bpf_loop_argp, 0, "bpf_loop helper benchmark", 0 },
+	{ &bench_local_storage_argp, 0, "local_storage benchmark", 0 },
+	{ &bench_strncmp_argp, 0, "bpf_strncmp helper benchmark", 0 },
+	{ &bench_local_storage_rcu_tasks_trace_argp, 0,
+		"local_storage RCU Tasks Trace slowdown benchmark", 0 },
+	{},
+};
+
+static error_t parse_arg(int key, char *arg, struct argp_state *state)
+{
+	static int pos_args;
+
+	switch (key) {
+	case 'v':
+		env.verbose = true;
+		break;
+	case 'l':
+		env.list = true;
+		break;
+	case 'd':
+		env.duration_sec = strtol(arg, NULL, 10);
+		if (env.duration_sec <= 0) {
+			fprintf(stderr, "Invalid duration: %s\n", arg);
+			argp_usage(state);
+		}
+		break;
+	case 'w':
+		env.warmup_sec = strtol(arg, NULL, 10);
+		if (env.warmup_sec <= 0) {
+			fprintf(stderr, "Invalid warm-up duration: %s\n", arg);
+			argp_usage(state);
+		}
+		break;
+	case 'p':
+		env.producer_cnt = strtol(arg, NULL, 10);
+		if (env.producer_cnt <= 0) {
+			fprintf(stderr, "Invalid producer count: %s\n", arg);
+			argp_usage(state);
+		}
+		break;
+	case 'c':
+		env.consumer_cnt = strtol(arg, NULL, 10);
+		if (env.consumer_cnt <= 0) {
+			fprintf(stderr, "Invalid consumer count: %s\n", arg);
+			argp_usage(state);
+		}
+		break;
+	case 'a':
+		env.affinity = true;
+		break;
+	case ARG_PROD_AFFINITY_SET:
+		env.affinity = true;
+		if (parse_num_list(arg, &env.prod_cpus.cpus,
+				   &env.prod_cpus.cpus_len)) {
+			fprintf(stderr, "Invalid format of CPU set for producers.");
+			argp_usage(state);
+		}
+		break;
+	case ARG_CONS_AFFINITY_SET:
+		env.affinity = true;
+		if (parse_num_list(arg, &env.cons_cpus.cpus,
+				   &env.cons_cpus.cpus_len)) {
+			fprintf(stderr, "Invalid format of CPU set for consumers.");
+			argp_usage(state);
+		}
+		break;
+	case ARGP_KEY_ARG:
+		if (pos_args++) {
+			fprintf(stderr,
+				"Unrecognized positional argument: %s\n", arg);
+			argp_usage(state);
+		}
+		env.bench_name = strdup(arg);
+		break;
+	default:
+		return ARGP_ERR_UNKNOWN;
+	}
+	return 0;
+}
+
+static void parse_cmdline_args(int argc, char **argv)
+{
+	static const struct argp argp = {
+		.options = opts,
+		.parser = parse_arg,
+		.doc = argp_program_doc,
+		.children = bench_parsers,
+	};
+	if (argp_parse(&argp, argc, argv, 0, NULL, NULL))
+		exit(1);
+	if (!env.list && !env.bench_name) {
+		argp_help(&argp, stderr, ARGP_HELP_DOC, "bench");
+		exit(1);
+	}
+}
+
+static void collect_measurements(long delta_ns);
+
+static __u64 last_time_ns;
+static void sigalarm_handler(int signo)
+{
+	long new_time_ns = get_time_ns();
+	long delta_ns = new_time_ns - last_time_ns;
+
+	collect_measurements(delta_ns);
+
+	last_time_ns = new_time_ns;
+}
+
+/* set up periodic 1-second timer */
+static void setup_timer()
+{
+	static struct sigaction sigalarm_action = {
+		.sa_handler = sigalarm_handler,
+	};
+	struct itimerval timer_settings = {};
+	int err;
+
+	last_time_ns = get_time_ns();
+	err = sigaction(SIGALRM, &sigalarm_action, NULL);
+	if (err < 0) {
+		fprintf(stderr, "failed to install SIGALRM handler: %d\n", -errno);
+		exit(1);
+	}
+	timer_settings.it_interval.tv_sec = 1;
+	timer_settings.it_value.tv_sec = 1;
+	err = setitimer(ITIMER_REAL, &timer_settings, NULL);
+	if (err < 0) {
+		fprintf(stderr, "failed to arm interval timer: %d\n", -errno);
+		exit(1);
+	}
+}
+
+static void set_thread_affinity(pthread_t thread, int cpu)
+{
+	cpu_set_t cpuset;
+
+	CPU_ZERO(&cpuset);
+	CPU_SET(cpu, &cpuset);
+	if (pthread_setaffinity_np(thread, sizeof(cpuset), &cpuset)) {
+		fprintf(stderr, "setting affinity to CPU #%d failed: %d\n",
+			cpu, errno);
+		exit(1);
+	}
+}
+
+static int next_cpu(struct cpu_set *cpu_set)
+{
+	if (cpu_set->cpus) {
+		int i;
+
+		/* find next available CPU */
+		for (i = cpu_set->next_cpu; i < cpu_set->cpus_len; i++) {
+			if (cpu_set->cpus[i]) {
+				cpu_set->next_cpu = i + 1;
+				return i;
+			}
+		}
+		fprintf(stderr, "Not enough CPUs specified, need CPU #%d or higher.\n", i);
+		exit(1);
+	}
+
+	return cpu_set->next_cpu++;
+}
+
+static struct bench_state {
+	int res_cnt;
+	struct bench_res *results;
+	pthread_t *consumers;
+	pthread_t *producers;
+} state;
+
+const struct bench *bench = NULL;
+
+extern const struct bench bench_count_global;
+extern const struct bench bench_count_local;
+extern const struct bench bench_rename_base;
+extern const struct bench bench_rename_kprobe;
+extern const struct bench bench_rename_kretprobe;
+extern const struct bench bench_rename_rawtp;
+extern const struct bench bench_rename_fentry;
+extern const struct bench bench_rename_fexit;
+extern const struct bench bench_trig_base;
+extern const struct bench bench_trig_tp;
+extern const struct bench bench_trig_rawtp;
+extern const struct bench bench_trig_kprobe;
+extern const struct bench bench_trig_fentry;
+extern const struct bench bench_trig_fentry_sleep;
+extern const struct bench bench_trig_fmodret;
+extern const struct bench bench_trig_uprobe_base;
+extern const struct bench bench_trig_uprobe_with_nop;
+extern const struct bench bench_trig_uretprobe_with_nop;
+extern const struct bench bench_trig_uprobe_without_nop;
+extern const struct bench bench_trig_uretprobe_without_nop;
+extern const struct bench bench_rb_libbpf;
+extern const struct bench bench_rb_custom;
+extern const struct bench bench_pb_libbpf;
+extern const struct bench bench_pb_custom;
+extern const struct bench bench_bloom_lookup;
+extern const struct bench bench_bloom_update;
+extern const struct bench bench_bloom_false_positive;
+extern const struct bench bench_hashmap_without_bloom;
+extern const struct bench bench_hashmap_with_bloom;
+extern const struct bench bench_bpf_loop;
+extern const struct bench bench_strncmp_no_helper;
+extern const struct bench bench_strncmp_helper;
+extern const struct bench bench_bpf_hashmap_full_update;
+extern const struct bench bench_local_storage_cache_seq_get;
+extern const struct bench bench_local_storage_cache_interleaved_get;
+extern const struct bench bench_local_storage_cache_hashmap_control;
+extern const struct bench bench_local_storage_tasks_trace;
+
+static const struct bench *benchs[] = {
+	&bench_count_global,
+	&bench_count_local,
+	&bench_rename_base,
+	&bench_rename_kprobe,
+	&bench_rename_kretprobe,
+	&bench_rename_rawtp,
+	&bench_rename_fentry,
+	&bench_rename_fexit,
+	&bench_trig_base,
+	&bench_trig_tp,
+	&bench_trig_rawtp,
+	&bench_trig_kprobe,
+	&bench_trig_fentry,
+	&bench_trig_fentry_sleep,
+	&bench_trig_fmodret,
+	&bench_trig_uprobe_base,
+	&bench_trig_uprobe_with_nop,
+	&bench_trig_uretprobe_with_nop,
+	&bench_trig_uprobe_without_nop,
+	&bench_trig_uretprobe_without_nop,
+	&bench_rb_libbpf,
+	&bench_rb_custom,
+	&bench_pb_libbpf,
+	&bench_pb_custom,
+	&bench_bloom_lookup,
+	&bench_bloom_update,
+	&bench_bloom_false_positive,
+	&bench_hashmap_without_bloom,
+	&bench_hashmap_with_bloom,
+	&bench_bpf_loop,
+	&bench_strncmp_no_helper,
+	&bench_strncmp_helper,
+	&bench_bpf_hashmap_full_update,
+	&bench_local_storage_cache_seq_get,
+	&bench_local_storage_cache_interleaved_get,
+	&bench_local_storage_cache_hashmap_control,
+	&bench_local_storage_tasks_trace,
+};
+
+static void setup_benchmark()
+{
+	int i, err;
+
+	if (!env.bench_name) {
+		fprintf(stderr, "benchmark name is not specified\n");
+		exit(1);
+	}
+
+	for (i = 0; i < ARRAY_SIZE(benchs); i++) {
+		if (strcmp(benchs[i]->name, env.bench_name) == 0) {
+			bench = benchs[i];
+			break;
+		}
+	}
+	if (!bench) {
+		fprintf(stderr, "benchmark '%s' not found\n", env.bench_name);
+		exit(1);
+	}
+
+	printf("Setting up benchmark '%s'...\n", bench->name);
+
+	state.producers = calloc(env.producer_cnt, sizeof(*state.producers));
+	state.consumers = calloc(env.consumer_cnt, sizeof(*state.consumers));
+	state.results = calloc(env.duration_sec + env.warmup_sec + 2,
+			       sizeof(*state.results));
+	if (!state.producers || !state.consumers || !state.results)
+		exit(1);
+
+	if (bench->validate)
+		bench->validate();
+	if (bench->setup)
+		bench->setup();
+
+	for (i = 0; i < env.consumer_cnt; i++) {
+		err = pthread_create(&state.consumers[i], NULL,
+				     bench->consumer_thread, (void *)(long)i);
+		if (err) {
+			fprintf(stderr, "failed to create consumer thread #%d: %d\n",
+				i, -errno);
+			exit(1);
+		}
+		if (env.affinity)
+			set_thread_affinity(state.consumers[i],
+					    next_cpu(&env.cons_cpus));
+	}
+
+	/* unless explicit producer CPU list is specified, continue after
+	 * last consumer CPU
+	 */
+	if (!env.prod_cpus.cpus)
+		env.prod_cpus.next_cpu = env.cons_cpus.next_cpu;
+
+	for (i = 0; i < env.producer_cnt; i++) {
+		err = pthread_create(&state.producers[i], NULL,
+				     bench->producer_thread, (void *)(long)i);
+		if (err) {
+			fprintf(stderr, "failed to create producer thread #%d: %d\n",
+				i, -errno);
+			exit(1);
+		}
+		if (env.affinity)
+			set_thread_affinity(state.producers[i],
+					    next_cpu(&env.prod_cpus));
+	}
+
+	printf("Benchmark '%s' started.\n", bench->name);
+}
+
+static pthread_mutex_t bench_done_mtx = PTHREAD_MUTEX_INITIALIZER;
+static pthread_cond_t bench_done = PTHREAD_COND_INITIALIZER;
+
+static void collect_measurements(long delta_ns) {
+	int iter = state.res_cnt++;
+	struct bench_res *res = &state.results[iter];
+
+	bench->measure(res);
+
+	if (bench->report_progress)
+		bench->report_progress(iter, res, delta_ns);
+
+	if (iter == env.duration_sec + env.warmup_sec) {
+		pthread_mutex_lock(&bench_done_mtx);
+		pthread_cond_signal(&bench_done);
+		pthread_mutex_unlock(&bench_done_mtx);
+	}
+}
+
+int main(int argc, char **argv)
+{
+	parse_cmdline_args(argc, argv);
+
+	if (env.list) {
+		int i;
+
+		printf("Available benchmarks:\n");
+		for (i = 0; i < ARRAY_SIZE(benchs); i++) {
+			printf("- %s\n", benchs[i]->name);
+		}
+		return 0;
+	}
+
+	setup_benchmark();
+
+	setup_timer();
+
+	pthread_mutex_lock(&bench_done_mtx);
+	pthread_cond_wait(&bench_done, &bench_done_mtx);
+	pthread_mutex_unlock(&bench_done_mtx);
+
+	if (bench->report_final)
+		/* skip first sample */
+		bench->report_final(state.results + env.warmup_sec,
+				    state.res_cnt - env.warmup_sec);
+
+	return 0;
+}
diff --git a/tools/testing/selftests/bpf/bench.h b/tools/testing/selftests/bpf/bench.h
new file mode 100644
index 000000000..d74825587
--- /dev/null
+++ b/tools/testing/selftests/bpf/bench.h
@@ -0,0 +1,103 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#pragma once
+#include <stdlib.h>
+#include <stdbool.h>
+#include <linux/err.h>
+#include <errno.h>
+#include <unistd.h>
+#include <bpf/bpf.h>
+#include <bpf/libbpf.h>
+#include <math.h>
+#include <time.h>
+#include <sys/syscall.h>
+
+struct cpu_set {
+	bool *cpus;
+	int cpus_len;
+	int next_cpu;
+};
+
+struct env {
+	char *bench_name;
+	int duration_sec;
+	int warmup_sec;
+	bool verbose;
+	bool list;
+	bool affinity;
+	int consumer_cnt;
+	int producer_cnt;
+	struct cpu_set prod_cpus;
+	struct cpu_set cons_cpus;
+};
+
+struct basic_stats {
+	double mean;
+	double stddev;
+};
+
+struct bench_res {
+	long hits;
+	long drops;
+	long false_hits;
+	long important_hits;
+	unsigned long gp_ns;
+	unsigned long gp_ct;
+	unsigned int stime;
+};
+
+struct bench {
+	const char *name;
+	void (*validate)(void);
+	void (*setup)(void);
+	void *(*producer_thread)(void *ctx);
+	void *(*consumer_thread)(void *ctx);
+	void (*measure)(struct bench_res* res);
+	void (*report_progress)(int iter, struct bench_res* res, long delta_ns);
+	void (*report_final)(struct bench_res res[], int res_cnt);
+};
+
+struct counter {
+	long value;
+} __attribute__((aligned(128)));
+
+extern struct env env;
+extern const struct bench *bench;
+
+void setup_libbpf(void);
+void hits_drops_report_progress(int iter, struct bench_res *res, long delta_ns);
+void hits_drops_report_final(struct bench_res res[], int res_cnt);
+void false_hits_report_progress(int iter, struct bench_res *res, long delta_ns);
+void false_hits_report_final(struct bench_res res[], int res_cnt);
+void ops_report_progress(int iter, struct bench_res *res, long delta_ns);
+void ops_report_final(struct bench_res res[], int res_cnt);
+void local_storage_report_progress(int iter, struct bench_res *res,
+				   long delta_ns);
+void local_storage_report_final(struct bench_res res[], int res_cnt);
+void grace_period_latency_basic_stats(struct bench_res res[], int res_cnt,
+				      struct basic_stats *gp_stat);
+void grace_period_ticks_basic_stats(struct bench_res res[], int res_cnt,
+				    struct basic_stats *gp_stat);
+
+static inline __u64 get_time_ns(void)
+{
+	struct timespec t;
+
+	clock_gettime(CLOCK_MONOTONIC, &t);
+
+	return (u64)t.tv_sec * 1000000000 + t.tv_nsec;
+}
+
+static inline void atomic_inc(long *value)
+{
+	(void)__atomic_add_fetch(value, 1, __ATOMIC_RELAXED);
+}
+
+static inline void atomic_add(long *value, long n)
+{
+	(void)__atomic_add_fetch(value, n, __ATOMIC_RELAXED);
+}
+
+static inline long atomic_swap(long *value, long n)
+{
+	return __atomic_exchange_n(value, n, __ATOMIC_RELAXED);
+}
diff --git a/tools/testing/selftests/bpf/benchs/bench_bloom_filter_map.c b/tools/testing/selftests/bpf/benchs/bench_bloom_filter_map.c
new file mode 100644
index 000000000..5bcb8a8cd
--- /dev/null
+++ b/tools/testing/selftests/bpf/benchs/bench_bloom_filter_map.c
@@ -0,0 +1,482 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2021 Facebook */
+
+#include <argp.h>
+#include <linux/log2.h>
+#include <pthread.h>
+#include "bench.h"
+#include "bloom_filter_bench.skel.h"
+#include "bpf_util.h"
+
+static struct ctx {
+	bool use_array_map;
+	bool use_hashmap;
+	bool hashmap_use_bloom;
+	bool count_false_hits;
+
+	struct bloom_filter_bench *skel;
+
+	int bloom_fd;
+	int hashmap_fd;
+	int array_map_fd;
+
+	pthread_mutex_t map_done_mtx;
+	pthread_cond_t map_done_cv;
+	bool map_done;
+	bool map_prepare_err;
+
+	__u32 next_map_idx;
+} ctx = {
+	.map_done_mtx = PTHREAD_MUTEX_INITIALIZER,
+	.map_done_cv = PTHREAD_COND_INITIALIZER,
+};
+
+struct stat {
+	__u32 stats[3];
+};
+
+static struct {
+	__u32 nr_entries;
+	__u8 nr_hash_funcs;
+	__u8 value_size;
+} args = {
+	.nr_entries = 1000,
+	.nr_hash_funcs = 3,
+	.value_size = 8,
+};
+
+enum {
+	ARG_NR_ENTRIES = 3000,
+	ARG_NR_HASH_FUNCS = 3001,
+	ARG_VALUE_SIZE = 3002,
+};
+
+static const struct argp_option opts[] = {
+	{ "nr_entries", ARG_NR_ENTRIES, "NR_ENTRIES", 0,
+		"Set number of expected unique entries in the bloom filter"},
+	{ "nr_hash_funcs", ARG_NR_HASH_FUNCS, "NR_HASH_FUNCS", 0,
+		"Set number of hash functions in the bloom filter"},
+	{ "value_size", ARG_VALUE_SIZE, "VALUE_SIZE", 0,
+		"Set value size (in bytes) of bloom filter entries"},
+	{},
+};
+
+static error_t parse_arg(int key, char *arg, struct argp_state *state)
+{
+	long ret;
+
+	switch (key) {
+	case ARG_NR_ENTRIES:
+		ret = strtol(arg, NULL, 10);
+		if (ret < 1 || ret > UINT_MAX) {
+			fprintf(stderr, "Invalid nr_entries count.");
+			argp_usage(state);
+		}
+		args.nr_entries = ret;
+		break;
+	case ARG_NR_HASH_FUNCS:
+		ret = strtol(arg, NULL, 10);
+		if (ret < 1 || ret > 15) {
+			fprintf(stderr,
+				"The bloom filter must use 1 to 15 hash functions.");
+			argp_usage(state);
+		}
+		args.nr_hash_funcs = ret;
+		break;
+	case ARG_VALUE_SIZE:
+		ret = strtol(arg, NULL, 10);
+		if (ret < 2 || ret > 256) {
+			fprintf(stderr,
+				"Invalid value size. Must be between 2 and 256 bytes");
+			argp_usage(state);
+		}
+		args.value_size = ret;
+		break;
+	default:
+		return ARGP_ERR_UNKNOWN;
+	}
+
+	return 0;
+}
+
+/* exported into benchmark runner */
+const struct argp bench_bloom_map_argp = {
+	.options = opts,
+	.parser = parse_arg,
+};
+
+static void validate(void)
+{
+	if (env.consumer_cnt != 1) {
+		fprintf(stderr,
+			"The bloom filter benchmarks do not support multi-consumer use\n");
+		exit(1);
+	}
+}
+
+static inline void trigger_bpf_program(void)
+{
+	syscall(__NR_getpgid);
+}
+
+static void *producer(void *input)
+{
+	while (true)
+		trigger_bpf_program();
+
+	return NULL;
+}
+
+static void *map_prepare_thread(void *arg)
+{
+	__u32 val_size, i;
+	void *val = NULL;
+	int err;
+
+	val_size = args.value_size;
+	val = malloc(val_size);
+	if (!val) {
+		ctx.map_prepare_err = true;
+		goto done;
+	}
+
+	while (true) {
+		i = __atomic_add_fetch(&ctx.next_map_idx, 1, __ATOMIC_RELAXED);
+		if (i > args.nr_entries)
+			break;
+
+again:
+		/* Populate hashmap, bloom filter map, and array map with the same
+		 * random values
+		 */
+		err = syscall(__NR_getrandom, val, val_size, 0);
+		if (err != val_size) {
+			ctx.map_prepare_err = true;
+			fprintf(stderr, "failed to get random value: %d\n", -errno);
+			break;
+		}
+
+		if (ctx.use_hashmap) {
+			err = bpf_map_update_elem(ctx.hashmap_fd, val, val, BPF_NOEXIST);
+			if (err) {
+				if (err != -EEXIST) {
+					ctx.map_prepare_err = true;
+					fprintf(stderr, "failed to add elem to hashmap: %d\n",
+						-errno);
+					break;
+				}
+				goto again;
+			}
+		}
+
+		i--;
+
+		if (ctx.use_array_map) {
+			err = bpf_map_update_elem(ctx.array_map_fd, &i, val, 0);
+			if (err) {
+				ctx.map_prepare_err = true;
+				fprintf(stderr, "failed to add elem to array map: %d\n", -errno);
+				break;
+			}
+		}
+
+		if (ctx.use_hashmap && !ctx.hashmap_use_bloom)
+			continue;
+
+		err = bpf_map_update_elem(ctx.bloom_fd, NULL, val, 0);
+		if (err) {
+			ctx.map_prepare_err = true;
+			fprintf(stderr,
+				"failed to add elem to bloom filter map: %d\n", -errno);
+			break;
+		}
+	}
+done:
+	pthread_mutex_lock(&ctx.map_done_mtx);
+	ctx.map_done = true;
+	pthread_cond_signal(&ctx.map_done_cv);
+	pthread_mutex_unlock(&ctx.map_done_mtx);
+
+	if (val)
+		free(val);
+
+	return NULL;
+}
+
+static void populate_maps(void)
+{
+	unsigned int nr_cpus = bpf_num_possible_cpus();
+	pthread_t map_thread;
+	int i, err, nr_rand_bytes;
+
+	ctx.bloom_fd = bpf_map__fd(ctx.skel->maps.bloom_map);
+	ctx.hashmap_fd = bpf_map__fd(ctx.skel->maps.hashmap);
+	ctx.array_map_fd = bpf_map__fd(ctx.skel->maps.array_map);
+
+	for (i = 0; i < nr_cpus; i++) {
+		err = pthread_create(&map_thread, NULL, map_prepare_thread,
+				     NULL);
+		if (err) {
+			fprintf(stderr, "failed to create pthread: %d\n", -errno);
+			exit(1);
+		}
+	}
+
+	pthread_mutex_lock(&ctx.map_done_mtx);
+	while (!ctx.map_done)
+		pthread_cond_wait(&ctx.map_done_cv, &ctx.map_done_mtx);
+	pthread_mutex_unlock(&ctx.map_done_mtx);
+
+	if (ctx.map_prepare_err)
+		exit(1);
+
+	nr_rand_bytes = syscall(__NR_getrandom, ctx.skel->bss->rand_vals,
+				ctx.skel->rodata->nr_rand_bytes, 0);
+	if (nr_rand_bytes != ctx.skel->rodata->nr_rand_bytes) {
+		fprintf(stderr, "failed to get random bytes\n");
+		exit(1);
+	}
+}
+
+static void check_args(void)
+{
+	if (args.value_size < 8)  {
+		__u64 nr_unique_entries = 1ULL << (args.value_size * 8);
+
+		if (args.nr_entries > nr_unique_entries) {
+			fprintf(stderr,
+				"Not enough unique values for the nr_entries requested\n");
+			exit(1);
+		}
+	}
+}
+
+static struct bloom_filter_bench *setup_skeleton(void)
+{
+	struct bloom_filter_bench *skel;
+
+	check_args();
+
+	setup_libbpf();
+
+	skel = bloom_filter_bench__open();
+	if (!skel) {
+		fprintf(stderr, "failed to open skeleton\n");
+		exit(1);
+	}
+
+	skel->rodata->hashmap_use_bloom = ctx.hashmap_use_bloom;
+	skel->rodata->count_false_hits = ctx.count_false_hits;
+
+	/* Resize number of entries */
+	bpf_map__set_max_entries(skel->maps.hashmap, args.nr_entries);
+
+	bpf_map__set_max_entries(skel->maps.array_map, args.nr_entries);
+
+	bpf_map__set_max_entries(skel->maps.bloom_map, args.nr_entries);
+
+	/* Set value size */
+	bpf_map__set_value_size(skel->maps.array_map, args.value_size);
+
+	bpf_map__set_value_size(skel->maps.bloom_map, args.value_size);
+
+	bpf_map__set_value_size(skel->maps.hashmap, args.value_size);
+
+	/* For the hashmap, we use the value as the key as well */
+	bpf_map__set_key_size(skel->maps.hashmap, args.value_size);
+
+	skel->bss->value_size = args.value_size;
+
+	/* Set number of hash functions */
+	bpf_map__set_map_extra(skel->maps.bloom_map, args.nr_hash_funcs);
+
+	if (bloom_filter_bench__load(skel)) {
+		fprintf(stderr, "failed to load skeleton\n");
+		exit(1);
+	}
+
+	return skel;
+}
+
+static void bloom_lookup_setup(void)
+{
+	struct bpf_link *link;
+
+	ctx.use_array_map = true;
+
+	ctx.skel = setup_skeleton();
+
+	populate_maps();
+
+	link = bpf_program__attach(ctx.skel->progs.bloom_lookup);
+	if (!link) {
+		fprintf(stderr, "failed to attach program!\n");
+		exit(1);
+	}
+}
+
+static void bloom_update_setup(void)
+{
+	struct bpf_link *link;
+
+	ctx.use_array_map = true;
+
+	ctx.skel = setup_skeleton();
+
+	populate_maps();
+
+	link = bpf_program__attach(ctx.skel->progs.bloom_update);
+	if (!link) {
+		fprintf(stderr, "failed to attach program!\n");
+		exit(1);
+	}
+}
+
+static void false_positive_setup(void)
+{
+	struct bpf_link *link;
+
+	ctx.use_hashmap = true;
+	ctx.hashmap_use_bloom = true;
+	ctx.count_false_hits = true;
+
+	ctx.skel = setup_skeleton();
+
+	populate_maps();
+
+	link = bpf_program__attach(ctx.skel->progs.bloom_hashmap_lookup);
+	if (!link) {
+		fprintf(stderr, "failed to attach program!\n");
+		exit(1);
+	}
+}
+
+static void hashmap_with_bloom_setup(void)
+{
+	struct bpf_link *link;
+
+	ctx.use_hashmap = true;
+	ctx.hashmap_use_bloom = true;
+
+	ctx.skel = setup_skeleton();
+
+	populate_maps();
+
+	link = bpf_program__attach(ctx.skel->progs.bloom_hashmap_lookup);
+	if (!link) {
+		fprintf(stderr, "failed to attach program!\n");
+		exit(1);
+	}
+}
+
+static void hashmap_no_bloom_setup(void)
+{
+	struct bpf_link *link;
+
+	ctx.use_hashmap = true;
+
+	ctx.skel = setup_skeleton();
+
+	populate_maps();
+
+	link = bpf_program__attach(ctx.skel->progs.bloom_hashmap_lookup);
+	if (!link) {
+		fprintf(stderr, "failed to attach program!\n");
+		exit(1);
+	}
+}
+
+static void measure(struct bench_res *res)
+{
+	unsigned long total_hits = 0, total_drops = 0, total_false_hits = 0;
+	static unsigned long last_hits, last_drops, last_false_hits;
+	unsigned int nr_cpus = bpf_num_possible_cpus();
+	int hit_key, drop_key, false_hit_key;
+	int i;
+
+	hit_key = ctx.skel->rodata->hit_key;
+	drop_key = ctx.skel->rodata->drop_key;
+	false_hit_key = ctx.skel->rodata->false_hit_key;
+
+	if (ctx.skel->bss->error != 0) {
+		fprintf(stderr, "error (%d) when searching the bloom filter\n",
+			ctx.skel->bss->error);
+		exit(1);
+	}
+
+	for (i = 0; i < nr_cpus; i++) {
+		struct stat *s = (void *)&ctx.skel->bss->percpu_stats[i];
+
+		total_hits += s->stats[hit_key];
+		total_drops += s->stats[drop_key];
+		total_false_hits += s->stats[false_hit_key];
+	}
+
+	res->hits = total_hits - last_hits;
+	res->drops = total_drops - last_drops;
+	res->false_hits = total_false_hits - last_false_hits;
+
+	last_hits = total_hits;
+	last_drops = total_drops;
+	last_false_hits = total_false_hits;
+}
+
+static void *consumer(void *input)
+{
+	return NULL;
+}
+
+const struct bench bench_bloom_lookup = {
+	.name = "bloom-lookup",
+	.validate = validate,
+	.setup = bloom_lookup_setup,
+	.producer_thread = producer,
+	.consumer_thread = consumer,
+	.measure = measure,
+	.report_progress = hits_drops_report_progress,
+	.report_final = hits_drops_report_final,
+};
+
+const struct bench bench_bloom_update = {
+	.name = "bloom-update",
+	.validate = validate,
+	.setup = bloom_update_setup,
+	.producer_thread = producer,
+	.consumer_thread = consumer,
+	.measure = measure,
+	.report_progress = hits_drops_report_progress,
+	.report_final = hits_drops_report_final,
+};
+
+const struct bench bench_bloom_false_positive = {
+	.name = "bloom-false-positive",
+	.validate = validate,
+	.setup = false_positive_setup,
+	.producer_thread = producer,
+	.consumer_thread = consumer,
+	.measure = measure,
+	.report_progress = false_hits_report_progress,
+	.report_final = false_hits_report_final,
+};
+
+const struct bench bench_hashmap_without_bloom = {
+	.name = "hashmap-without-bloom",
+	.validate = validate,
+	.setup = hashmap_no_bloom_setup,
+	.producer_thread = producer,
+	.consumer_thread = consumer,
+	.measure = measure,
+	.report_progress = hits_drops_report_progress,
+	.report_final = hits_drops_report_final,
+};
+
+const struct bench bench_hashmap_with_bloom = {
+	.name = "hashmap-with-bloom",
+	.validate = validate,
+	.setup = hashmap_with_bloom_setup,
+	.producer_thread = producer,
+	.consumer_thread = consumer,
+	.measure = measure,
+	.report_progress = hits_drops_report_progress,
+	.report_final = hits_drops_report_final,
+};
diff --git a/tools/testing/selftests/bpf/benchs/bench_bpf_hashmap_full_update.c b/tools/testing/selftests/bpf/benchs/bench_bpf_hashmap_full_update.c
new file mode 100644
index 000000000..cec51e0ff
--- /dev/null
+++ b/tools/testing/selftests/bpf/benchs/bench_bpf_hashmap_full_update.c
@@ -0,0 +1,96 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2022 Bytedance */
+
+#include <argp.h>
+#include "bench.h"
+#include "bpf_hashmap_full_update_bench.skel.h"
+#include "bpf_util.h"
+
+/* BPF triggering benchmarks */
+static struct ctx {
+	struct bpf_hashmap_full_update_bench *skel;
+} ctx;
+
+#define MAX_LOOP_NUM 10000
+
+static void validate(void)
+{
+	if (env.consumer_cnt != 1) {
+		fprintf(stderr, "benchmark doesn't support multi-consumer!\n");
+		exit(1);
+	}
+}
+
+static void *producer(void *input)
+{
+	while (true) {
+		/* trigger the bpf program */
+		syscall(__NR_getpgid);
+	}
+
+	return NULL;
+}
+
+static void *consumer(void *input)
+{
+	return NULL;
+}
+
+static void measure(struct bench_res *res)
+{
+}
+
+static void setup(void)
+{
+	struct bpf_link *link;
+	int map_fd, i, max_entries;
+
+	setup_libbpf();
+
+	ctx.skel = bpf_hashmap_full_update_bench__open_and_load();
+	if (!ctx.skel) {
+		fprintf(stderr, "failed to open skeleton\n");
+		exit(1);
+	}
+
+	ctx.skel->bss->nr_loops = MAX_LOOP_NUM;
+
+	link = bpf_program__attach(ctx.skel->progs.benchmark);
+	if (!link) {
+		fprintf(stderr, "failed to attach program!\n");
+		exit(1);
+	}
+
+	/* fill hash_map */
+	map_fd = bpf_map__fd(ctx.skel->maps.hash_map_bench);
+	max_entries = bpf_map__max_entries(ctx.skel->maps.hash_map_bench);
+	for (i = 0; i < max_entries; i++)
+		bpf_map_update_elem(map_fd, &i, &i, BPF_ANY);
+}
+
+void hashmap_report_final(struct bench_res res[], int res_cnt)
+{
+	unsigned int nr_cpus = bpf_num_possible_cpus();
+	int i;
+
+	for (i = 0; i < nr_cpus; i++) {
+		u64 time = ctx.skel->bss->percpu_time[i];
+
+		if (!time)
+			continue;
+
+		printf("%d:hash_map_full_perf %lld events per sec\n",
+		       i, ctx.skel->bss->nr_loops * 1000000000ll / time);
+	}
+}
+
+const struct bench bench_bpf_hashmap_full_update = {
+	.name = "bpf-hashmap-ful-update",
+	.validate = validate,
+	.setup = setup,
+	.producer_thread = producer,
+	.consumer_thread = consumer,
+	.measure = measure,
+	.report_progress = NULL,
+	.report_final = hashmap_report_final,
+};
diff --git a/tools/testing/selftests/bpf/benchs/bench_bpf_loop.c b/tools/testing/selftests/bpf/benchs/bench_bpf_loop.c
new file mode 100644
index 000000000..d0a6572bf
--- /dev/null
+++ b/tools/testing/selftests/bpf/benchs/bench_bpf_loop.c
@@ -0,0 +1,105 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2021 Facebook */
+
+#include <argp.h>
+#include "bench.h"
+#include "bpf_loop_bench.skel.h"
+
+/* BPF triggering benchmarks */
+static struct ctx {
+	struct bpf_loop_bench *skel;
+} ctx;
+
+static struct {
+	__u32 nr_loops;
+} args = {
+	.nr_loops = 10,
+};
+
+enum {
+	ARG_NR_LOOPS = 4000,
+};
+
+static const struct argp_option opts[] = {
+	{ "nr_loops", ARG_NR_LOOPS, "nr_loops", 0,
+		"Set number of loops for the bpf_loop helper"},
+	{},
+};
+
+static error_t parse_arg(int key, char *arg, struct argp_state *state)
+{
+	switch (key) {
+	case ARG_NR_LOOPS:
+		args.nr_loops = strtol(arg, NULL, 10);
+		break;
+	default:
+		return ARGP_ERR_UNKNOWN;
+	}
+
+	return 0;
+}
+
+/* exported into benchmark runner */
+const struct argp bench_bpf_loop_argp = {
+	.options = opts,
+	.parser = parse_arg,
+};
+
+static void validate(void)
+{
+	if (env.consumer_cnt != 1) {
+		fprintf(stderr, "benchmark doesn't support multi-consumer!\n");
+		exit(1);
+	}
+}
+
+static void *producer(void *input)
+{
+	while (true)
+		/* trigger the bpf program */
+		syscall(__NR_getpgid);
+
+	return NULL;
+}
+
+static void *consumer(void *input)
+{
+	return NULL;
+}
+
+static void measure(struct bench_res *res)
+{
+	res->hits = atomic_swap(&ctx.skel->bss->hits, 0);
+}
+
+static void setup(void)
+{
+	struct bpf_link *link;
+
+	setup_libbpf();
+
+	ctx.skel = bpf_loop_bench__open_and_load();
+	if (!ctx.skel) {
+		fprintf(stderr, "failed to open skeleton\n");
+		exit(1);
+	}
+
+	link = bpf_program__attach(ctx.skel->progs.benchmark);
+	if (!link) {
+		fprintf(stderr, "failed to attach program!\n");
+		exit(1);
+	}
+
+	ctx.skel->bss->nr_loops = args.nr_loops;
+}
+
+const struct bench bench_bpf_loop = {
+	.name = "bpf-loop",
+	.validate = validate,
+	.setup = setup,
+	.producer_thread = producer,
+	.consumer_thread = consumer,
+	.measure = measure,
+	.report_progress = ops_report_progress,
+	.report_final = ops_report_final,
+};
diff --git a/tools/testing/selftests/bpf/benchs/bench_count.c b/tools/testing/selftests/bpf/benchs/bench_count.c
new file mode 100644
index 000000000..078972ce2
--- /dev/null
+++ b/tools/testing/selftests/bpf/benchs/bench_count.c
@@ -0,0 +1,91 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2020 Facebook */
+#include "bench.h"
+
+/* COUNT-GLOBAL benchmark */
+
+static struct count_global_ctx {
+	struct counter hits;
+} count_global_ctx;
+
+static void *count_global_producer(void *input)
+{
+	struct count_global_ctx *ctx = &count_global_ctx;
+
+	while (true) {
+		atomic_inc(&ctx->hits.value);
+	}
+	return NULL;
+}
+
+static void *count_global_consumer(void *input)
+{
+	return NULL;
+}
+
+static void count_global_measure(struct bench_res *res)
+{
+	struct count_global_ctx *ctx = &count_global_ctx;
+
+	res->hits = atomic_swap(&ctx->hits.value, 0);
+}
+
+/* COUNT-local benchmark */
+
+static struct count_local_ctx {
+	struct counter *hits;
+} count_local_ctx;
+
+static void count_local_setup(void)
+{
+	struct count_local_ctx *ctx = &count_local_ctx;
+
+	ctx->hits = calloc(env.consumer_cnt, sizeof(*ctx->hits));
+	if (!ctx->hits)
+		exit(1);
+}
+
+static void *count_local_producer(void *input)
+{
+	struct count_local_ctx *ctx = &count_local_ctx;
+	int idx = (long)input;
+
+	while (true) {
+		atomic_inc(&ctx->hits[idx].value);
+	}
+	return NULL;
+}
+
+static void *count_local_consumer(void *input)
+{
+	return NULL;
+}
+
+static void count_local_measure(struct bench_res *res)
+{
+	struct count_local_ctx *ctx = &count_local_ctx;
+	int i;
+
+	for (i = 0; i < env.producer_cnt; i++) {
+		res->hits += atomic_swap(&ctx->hits[i].value, 0);
+	}
+}
+
+const struct bench bench_count_global = {
+	.name = "count-global",
+	.producer_thread = count_global_producer,
+	.consumer_thread = count_global_consumer,
+	.measure = count_global_measure,
+	.report_progress = hits_drops_report_progress,
+	.report_final = hits_drops_report_final,
+};
+
+const struct bench bench_count_local = {
+	.name = "count-local",
+	.setup = count_local_setup,
+	.producer_thread = count_local_producer,
+	.consumer_thread = count_local_consumer,
+	.measure = count_local_measure,
+	.report_progress = hits_drops_report_progress,
+	.report_final = hits_drops_report_final,
+};
diff --git a/tools/testing/selftests/bpf/benchs/bench_local_storage.c b/tools/testing/selftests/bpf/benchs/bench_local_storage.c
new file mode 100644
index 000000000..5a378c84e
--- /dev/null
+++ b/tools/testing/selftests/bpf/benchs/bench_local_storage.c
@@ -0,0 +1,287 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2022 Meta Platforms, Inc. and affiliates. */
+
+#include <argp.h>
+#include <linux/btf.h>
+
+#include "local_storage_bench.skel.h"
+#include "bench.h"
+
+#include <test_btf.h>
+
+static struct {
+	__u32 nr_maps;
+	__u32 hashmap_nr_keys_used;
+} args = {
+	.nr_maps = 1000,
+	.hashmap_nr_keys_used = 1000,
+};
+
+enum {
+	ARG_NR_MAPS = 6000,
+	ARG_HASHMAP_NR_KEYS_USED = 6001,
+};
+
+static const struct argp_option opts[] = {
+	{ "nr_maps", ARG_NR_MAPS, "NR_MAPS", 0,
+		"Set number of local_storage maps"},
+	{ "hashmap_nr_keys_used", ARG_HASHMAP_NR_KEYS_USED, "NR_KEYS",
+		0, "When doing hashmap test, set number of hashmap keys test uses"},
+	{},
+};
+
+static error_t parse_arg(int key, char *arg, struct argp_state *state)
+{
+	long ret;
+
+	switch (key) {
+	case ARG_NR_MAPS:
+		ret = strtol(arg, NULL, 10);
+		if (ret < 1 || ret > UINT_MAX) {
+			fprintf(stderr, "invalid nr_maps");
+			argp_usage(state);
+		}
+		args.nr_maps = ret;
+		break;
+	case ARG_HASHMAP_NR_KEYS_USED:
+		ret = strtol(arg, NULL, 10);
+		if (ret < 1 || ret > UINT_MAX) {
+			fprintf(stderr, "invalid hashmap_nr_keys_used");
+			argp_usage(state);
+		}
+		args.hashmap_nr_keys_used = ret;
+		break;
+	default:
+		return ARGP_ERR_UNKNOWN;
+	}
+
+	return 0;
+}
+
+const struct argp bench_local_storage_argp = {
+	.options = opts,
+	.parser = parse_arg,
+};
+
+/* Keep in sync w/ array of maps in bpf */
+#define MAX_NR_MAPS 1000
+/* keep in sync w/ same define in bpf */
+#define HASHMAP_SZ 4194304
+
+static void validate(void)
+{
+	if (env.producer_cnt != 1) {
+		fprintf(stderr, "benchmark doesn't support multi-producer!\n");
+		exit(1);
+	}
+	if (env.consumer_cnt != 1) {
+		fprintf(stderr, "benchmark doesn't support multi-consumer!\n");
+		exit(1);
+	}
+
+	if (args.nr_maps > MAX_NR_MAPS) {
+		fprintf(stderr, "nr_maps must be <= 1000\n");
+		exit(1);
+	}
+
+	if (args.hashmap_nr_keys_used > HASHMAP_SZ) {
+		fprintf(stderr, "hashmap_nr_keys_used must be <= %u\n", HASHMAP_SZ);
+		exit(1);
+	}
+}
+
+static struct {
+	struct local_storage_bench *skel;
+	void *bpf_obj;
+	struct bpf_map *array_of_maps;
+} ctx;
+
+static void prepopulate_hashmap(int fd)
+{
+	int i, key, val;
+
+	/* local_storage gets will have BPF_LOCAL_STORAGE_GET_F_CREATE flag set, so
+	 * populate the hashmap for a similar comparison
+	 */
+	for (i = 0; i < HASHMAP_SZ; i++) {
+		key = val = i;
+		if (bpf_map_update_elem(fd, &key, &val, 0)) {
+			fprintf(stderr, "Error prepopulating hashmap (key %d)\n", key);
+			exit(1);
+		}
+	}
+}
+
+static void __setup(struct bpf_program *prog, bool hashmap)
+{
+	struct bpf_map *inner_map;
+	int i, fd, mim_fd, err;
+
+	LIBBPF_OPTS(bpf_map_create_opts, create_opts);
+
+	if (!hashmap)
+		create_opts.map_flags = BPF_F_NO_PREALLOC;
+
+	ctx.skel->rodata->num_maps = args.nr_maps;
+	ctx.skel->rodata->hashmap_num_keys = args.hashmap_nr_keys_used;
+	inner_map = bpf_map__inner_map(ctx.array_of_maps);
+	create_opts.btf_key_type_id = bpf_map__btf_key_type_id(inner_map);
+	create_opts.btf_value_type_id = bpf_map__btf_value_type_id(inner_map);
+
+	err = local_storage_bench__load(ctx.skel);
+	if (err) {
+		fprintf(stderr, "Error loading skeleton\n");
+		goto err_out;
+	}
+
+	create_opts.btf_fd = bpf_object__btf_fd(ctx.skel->obj);
+
+	mim_fd = bpf_map__fd(ctx.array_of_maps);
+	if (mim_fd < 0) {
+		fprintf(stderr, "Error getting map_in_map fd\n");
+		goto err_out;
+	}
+
+	for (i = 0; i < args.nr_maps; i++) {
+		if (hashmap)
+			fd = bpf_map_create(BPF_MAP_TYPE_HASH, NULL, sizeof(int),
+					    sizeof(int), HASHMAP_SZ, &create_opts);
+		else
+			fd = bpf_map_create(BPF_MAP_TYPE_TASK_STORAGE, NULL, sizeof(int),
+					    sizeof(int), 0, &create_opts);
+		if (fd < 0) {
+			fprintf(stderr, "Error creating map %d: %d\n", i, fd);
+			goto err_out;
+		}
+
+		if (hashmap)
+			prepopulate_hashmap(fd);
+
+		err = bpf_map_update_elem(mim_fd, &i, &fd, 0);
+		if (err) {
+			fprintf(stderr, "Error updating array-of-maps w/ map %d\n", i);
+			goto err_out;
+		}
+	}
+
+	if (!bpf_program__attach(prog)) {
+		fprintf(stderr, "Error attaching bpf program\n");
+		goto err_out;
+	}
+
+	return;
+err_out:
+	exit(1);
+}
+
+static void hashmap_setup(void)
+{
+	struct local_storage_bench *skel;
+
+	setup_libbpf();
+
+	skel = local_storage_bench__open();
+	ctx.skel = skel;
+	ctx.array_of_maps = skel->maps.array_of_hash_maps;
+	skel->rodata->use_hashmap = 1;
+	skel->rodata->interleave = 0;
+
+	__setup(skel->progs.get_local, true);
+}
+
+static void local_storage_cache_get_setup(void)
+{
+	struct local_storage_bench *skel;
+
+	setup_libbpf();
+
+	skel = local_storage_bench__open();
+	ctx.skel = skel;
+	ctx.array_of_maps = skel->maps.array_of_local_storage_maps;
+	skel->rodata->use_hashmap = 0;
+	skel->rodata->interleave = 0;
+
+	__setup(skel->progs.get_local, false);
+}
+
+static void local_storage_cache_get_interleaved_setup(void)
+{
+	struct local_storage_bench *skel;
+
+	setup_libbpf();
+
+	skel = local_storage_bench__open();
+	ctx.skel = skel;
+	ctx.array_of_maps = skel->maps.array_of_local_storage_maps;
+	skel->rodata->use_hashmap = 0;
+	skel->rodata->interleave = 1;
+
+	__setup(skel->progs.get_local, false);
+}
+
+static void measure(struct bench_res *res)
+{
+	res->hits = atomic_swap(&ctx.skel->bss->hits, 0);
+	res->important_hits = atomic_swap(&ctx.skel->bss->important_hits, 0);
+}
+
+static inline void trigger_bpf_program(void)
+{
+	syscall(__NR_getpgid);
+}
+
+static void *consumer(void *input)
+{
+	return NULL;
+}
+
+static void *producer(void *input)
+{
+	while (true)
+		trigger_bpf_program();
+
+	return NULL;
+}
+
+/* cache sequential and interleaved get benchs test local_storage get
+ * performance, specifically they demonstrate performance cliff of
+ * current list-plus-cache local_storage model.
+ *
+ * cache sequential get: call bpf_task_storage_get on n maps in order
+ * cache interleaved get: like "sequential get", but interleave 4 calls to the
+ *	'important' map (idx 0 in array_of_maps) for every 10 calls. Goal
+ *	is to mimic environment where many progs are accessing their local_storage
+ *	maps, with 'our' prog needing to access its map more often than others
+ */
+const struct bench bench_local_storage_cache_seq_get = {
+	.name = "local-storage-cache-seq-get",
+	.validate = validate,
+	.setup = local_storage_cache_get_setup,
+	.producer_thread = producer,
+	.consumer_thread = consumer,
+	.measure = measure,
+	.report_progress = local_storage_report_progress,
+	.report_final = local_storage_report_final,
+};
+
+const struct bench bench_local_storage_cache_interleaved_get = {
+	.name = "local-storage-cache-int-get",
+	.validate = validate,
+	.setup = local_storage_cache_get_interleaved_setup,
+	.producer_thread = producer,
+	.consumer_thread = consumer,
+	.measure = measure,
+	.report_progress = local_storage_report_progress,
+	.report_final = local_storage_report_final,
+};
+
+const struct bench bench_local_storage_cache_hashmap_control = {
+	.name = "local-storage-cache-hashmap-control",
+	.validate = validate,
+	.setup = hashmap_setup,
+	.producer_thread = producer,
+	.consumer_thread = consumer,
+	.measure = measure,
+	.report_progress = local_storage_report_progress,
+	.report_final = local_storage_report_final,
+};
diff --git a/tools/testing/selftests/bpf/benchs/bench_local_storage_rcu_tasks_trace.c b/tools/testing/selftests/bpf/benchs/bench_local_storage_rcu_tasks_trace.c
new file mode 100644
index 000000000..43f109d93
--- /dev/null
+++ b/tools/testing/selftests/bpf/benchs/bench_local_storage_rcu_tasks_trace.c
@@ -0,0 +1,281 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2022 Meta Platforms, Inc. and affiliates. */
+
+#include <argp.h>
+
+#include <sys/prctl.h>
+#include "local_storage_rcu_tasks_trace_bench.skel.h"
+#include "bench.h"
+
+#include <signal.h>
+
+static struct {
+	__u32 nr_procs;
+	__u32 kthread_pid;
+	bool quiet;
+} args = {
+	.nr_procs = 1000,
+	.kthread_pid = 0,
+	.quiet = false,
+};
+
+enum {
+	ARG_NR_PROCS = 7000,
+	ARG_KTHREAD_PID = 7001,
+	ARG_QUIET = 7002,
+};
+
+static const struct argp_option opts[] = {
+	{ "nr_procs", ARG_NR_PROCS, "NR_PROCS", 0,
+		"Set number of user processes to spin up"},
+	{ "kthread_pid", ARG_KTHREAD_PID, "PID", 0,
+		"Pid of rcu_tasks_trace kthread for ticks tracking"},
+	{ "quiet", ARG_QUIET, "{0,1}", 0,
+		"If true, don't report progress"},
+	{},
+};
+
+static error_t parse_arg(int key, char *arg, struct argp_state *state)
+{
+	long ret;
+
+	switch (key) {
+	case ARG_NR_PROCS:
+		ret = strtol(arg, NULL, 10);
+		if (ret < 1 || ret > UINT_MAX) {
+			fprintf(stderr, "invalid nr_procs\n");
+			argp_usage(state);
+		}
+		args.nr_procs = ret;
+		break;
+	case ARG_KTHREAD_PID:
+		ret = strtol(arg, NULL, 10);
+		if (ret < 1) {
+			fprintf(stderr, "invalid kthread_pid\n");
+			argp_usage(state);
+		}
+		args.kthread_pid = ret;
+		break;
+	case ARG_QUIET:
+		ret = strtol(arg, NULL, 10);
+		if (ret < 0 || ret > 1) {
+			fprintf(stderr, "invalid quiet %ld\n", ret);
+			argp_usage(state);
+		}
+		args.quiet = ret;
+		break;
+break;
+	default:
+		return ARGP_ERR_UNKNOWN;
+	}
+
+	return 0;
+}
+
+const struct argp bench_local_storage_rcu_tasks_trace_argp = {
+	.options = opts,
+	.parser = parse_arg,
+};
+
+#define MAX_SLEEP_PROCS 150000
+
+static void validate(void)
+{
+	if (env.producer_cnt != 1) {
+		fprintf(stderr, "benchmark doesn't support multi-producer!\n");
+		exit(1);
+	}
+	if (env.consumer_cnt != 1) {
+		fprintf(stderr, "benchmark doesn't support multi-consumer!\n");
+		exit(1);
+	}
+
+	if (args.nr_procs > MAX_SLEEP_PROCS) {
+		fprintf(stderr, "benchmark supports up to %u sleeper procs!\n",
+			MAX_SLEEP_PROCS);
+		exit(1);
+	}
+}
+
+static long kthread_pid_ticks(void)
+{
+	char procfs_path[100];
+	long stime;
+	FILE *f;
+
+	if (!args.kthread_pid)
+		return -1;
+
+	sprintf(procfs_path, "/proc/%u/stat", args.kthread_pid);
+	f = fopen(procfs_path, "r");
+	if (!f) {
+		fprintf(stderr, "couldn't open %s, exiting\n", procfs_path);
+		goto err_out;
+	}
+	if (fscanf(f, "%*s %*s %*s %*s %*s %*s %*s %*s %*s %*s %*s %*s %*s %*s %ld", &stime) != 1) {
+		fprintf(stderr, "fscanf of %s failed, exiting\n", procfs_path);
+		goto err_out;
+	}
+	fclose(f);
+	return stime;
+
+err_out:
+	if (f)
+		fclose(f);
+	exit(1);
+	return 0;
+}
+
+static struct {
+	struct local_storage_rcu_tasks_trace_bench *skel;
+	long prev_kthread_stime;
+} ctx;
+
+static void sleep_and_loop(void)
+{
+	while (true) {
+		sleep(rand() % 4);
+		syscall(__NR_getpgid);
+	}
+}
+
+static void local_storage_tasks_trace_setup(void)
+{
+	int i, err, forkret, runner_pid;
+
+	runner_pid = getpid();
+
+	for (i = 0; i < args.nr_procs; i++) {
+		forkret = fork();
+		if (forkret < 0) {
+			fprintf(stderr, "Error forking sleeper proc %u of %u, exiting\n", i,
+				args.nr_procs);
+			goto err_out;
+		}
+
+		if (!forkret) {
+			err = prctl(PR_SET_PDEATHSIG, SIGKILL);
+			if (err < 0) {
+				fprintf(stderr, "prctl failed with err %d, exiting\n", errno);
+				goto err_out;
+			}
+
+			if (getppid() != runner_pid) {
+				fprintf(stderr, "Runner died while spinning up procs, exiting\n");
+				goto err_out;
+			}
+			sleep_and_loop();
+		}
+	}
+	printf("Spun up %u procs (our pid %d)\n", args.nr_procs, runner_pid);
+
+	setup_libbpf();
+
+	ctx.skel = local_storage_rcu_tasks_trace_bench__open_and_load();
+	if (!ctx.skel) {
+		fprintf(stderr, "Error doing open_and_load, exiting\n");
+		goto err_out;
+	}
+
+	ctx.prev_kthread_stime = kthread_pid_ticks();
+
+	if (!bpf_program__attach(ctx.skel->progs.get_local)) {
+		fprintf(stderr, "Error attaching bpf program\n");
+		goto err_out;
+	}
+
+	if (!bpf_program__attach(ctx.skel->progs.pregp_step)) {
+		fprintf(stderr, "Error attaching bpf program\n");
+		goto err_out;
+	}
+
+	if (!bpf_program__attach(ctx.skel->progs.postgp)) {
+		fprintf(stderr, "Error attaching bpf program\n");
+		goto err_out;
+	}
+
+	return;
+err_out:
+	exit(1);
+}
+
+static void measure(struct bench_res *res)
+{
+	long ticks;
+
+	res->gp_ct = atomic_swap(&ctx.skel->bss->gp_hits, 0);
+	res->gp_ns = atomic_swap(&ctx.skel->bss->gp_times, 0);
+	ticks = kthread_pid_ticks();
+	res->stime = ticks - ctx.prev_kthread_stime;
+	ctx.prev_kthread_stime = ticks;
+}
+
+static void *consumer(void *input)
+{
+	return NULL;
+}
+
+static void *producer(void *input)
+{
+	while (true)
+		syscall(__NR_getpgid);
+	return NULL;
+}
+
+static void report_progress(int iter, struct bench_res *res, long delta_ns)
+{
+	if (ctx.skel->bss->unexpected) {
+		fprintf(stderr, "Error: Unexpected order of bpf prog calls (postgp after pregp).");
+		fprintf(stderr, "Data can't be trusted, exiting\n");
+		exit(1);
+	}
+
+	if (args.quiet)
+		return;
+
+	printf("Iter %d\t avg tasks_trace grace period latency\t%lf ns\n",
+	       iter, res->gp_ns / (double)res->gp_ct);
+	printf("Iter %d\t avg ticks per tasks_trace grace period\t%lf\n",
+	       iter, res->stime / (double)res->gp_ct);
+}
+
+static void report_final(struct bench_res res[], int res_cnt)
+{
+	struct basic_stats gp_stat;
+
+	grace_period_latency_basic_stats(res, res_cnt, &gp_stat);
+	printf("SUMMARY tasks_trace grace period latency");
+	printf("\tavg %.3lf us\tstddev %.3lf us\n", gp_stat.mean, gp_stat.stddev);
+	grace_period_ticks_basic_stats(res, res_cnt, &gp_stat);
+	printf("SUMMARY ticks per tasks_trace grace period");
+	printf("\tavg %.3lf\tstddev %.3lf\n", gp_stat.mean, gp_stat.stddev);
+}
+
+/* local-storage-tasks-trace: Benchmark performance of BPF local_storage's use
+ * of RCU Tasks-Trace.
+ *
+ * Stress RCU Tasks Trace by forking many tasks, all of which do no work aside
+ * from sleep() loop, and creating/destroying BPF task-local storage on wakeup.
+ * The number of forked tasks is configurable.
+ *
+ * exercising code paths which call call_rcu_tasks_trace while there are many
+ * thousands of tasks on the system should result in RCU Tasks-Trace having to
+ * do a noticeable amount of work.
+ *
+ * This should be observable by measuring rcu_tasks_trace_kthread CPU usage
+ * after the grace period has ended, or by measuring grace period latency.
+ *
+ * This benchmark uses both approaches, attaching to rcu_tasks_trace_pregp_step
+ * and rcu_tasks_trace_postgp functions to measure grace period latency and
+ * using /proc/PID/stat to measure rcu_tasks_trace_kthread kernel ticks
+ */
+const struct bench bench_local_storage_tasks_trace = {
+	.name = "local-storage-tasks-trace",
+	.validate = validate,
+	.setup = local_storage_tasks_trace_setup,
+	.producer_thread = producer,
+	.consumer_thread = consumer,
+	.measure = measure,
+	.report_progress = report_progress,
+	.report_final = report_final,
+};
diff --git a/tools/testing/selftests/bpf/benchs/bench_rename.c b/tools/testing/selftests/bpf/benchs/bench_rename.c
new file mode 100644
index 000000000..3c203b6d6
--- /dev/null
+++ b/tools/testing/selftests/bpf/benchs/bench_rename.c
@@ -0,0 +1,178 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2020 Facebook */
+#include <fcntl.h>
+#include "bench.h"
+#include "test_overhead.skel.h"
+
+/* BPF triggering benchmarks */
+static struct ctx {
+	struct test_overhead *skel;
+	struct counter hits;
+	int fd;
+} ctx;
+
+static void validate(void)
+{
+	if (env.producer_cnt != 1) {
+		fprintf(stderr, "benchmark doesn't support multi-producer!\n");
+		exit(1);
+	}
+	if (env.consumer_cnt != 1) {
+		fprintf(stderr, "benchmark doesn't support multi-consumer!\n");
+		exit(1);
+	}
+}
+
+static void *producer(void *input)
+{
+	char buf[] = "test_overhead";
+	int err;
+
+	while (true) {
+		err = write(ctx.fd, buf, sizeof(buf));
+		if (err < 0) {
+			fprintf(stderr, "write failed\n");
+			exit(1);
+		}
+		atomic_inc(&ctx.hits.value);
+	}
+}
+
+static void measure(struct bench_res *res)
+{
+	res->hits = atomic_swap(&ctx.hits.value, 0);
+}
+
+static void setup_ctx(void)
+{
+	setup_libbpf();
+
+	ctx.skel = test_overhead__open_and_load();
+	if (!ctx.skel) {
+		fprintf(stderr, "failed to open skeleton\n");
+		exit(1);
+	}
+
+	ctx.fd = open("/proc/self/comm", O_WRONLY|O_TRUNC);
+	if (ctx.fd < 0) {
+		fprintf(stderr, "failed to open /proc/self/comm: %d\n", -errno);
+		exit(1);
+	}
+}
+
+static void attach_bpf(struct bpf_program *prog)
+{
+	struct bpf_link *link;
+
+	link = bpf_program__attach(prog);
+	if (!link) {
+		fprintf(stderr, "failed to attach program!\n");
+		exit(1);
+	}
+}
+
+static void setup_base(void)
+{
+	setup_ctx();
+}
+
+static void setup_kprobe(void)
+{
+	setup_ctx();
+	attach_bpf(ctx.skel->progs.prog1);
+}
+
+static void setup_kretprobe(void)
+{
+	setup_ctx();
+	attach_bpf(ctx.skel->progs.prog2);
+}
+
+static void setup_rawtp(void)
+{
+	setup_ctx();
+	attach_bpf(ctx.skel->progs.prog3);
+}
+
+static void setup_fentry(void)
+{
+	setup_ctx();
+	attach_bpf(ctx.skel->progs.prog4);
+}
+
+static void setup_fexit(void)
+{
+	setup_ctx();
+	attach_bpf(ctx.skel->progs.prog5);
+}
+
+static void *consumer(void *input)
+{
+	return NULL;
+}
+
+const struct bench bench_rename_base = {
+	.name = "rename-base",
+	.validate = validate,
+	.setup = setup_base,
+	.producer_thread = producer,
+	.consumer_thread = consumer,
+	.measure = measure,
+	.report_progress = hits_drops_report_progress,
+	.report_final = hits_drops_report_final,
+};
+
+const struct bench bench_rename_kprobe = {
+	.name = "rename-kprobe",
+	.validate = validate,
+	.setup = setup_kprobe,
+	.producer_thread = producer,
+	.consumer_thread = consumer,
+	.measure = measure,
+	.report_progress = hits_drops_report_progress,
+	.report_final = hits_drops_report_final,
+};
+
+const struct bench bench_rename_kretprobe = {
+	.name = "rename-kretprobe",
+	.validate = validate,
+	.setup = setup_kretprobe,
+	.producer_thread = producer,
+	.consumer_thread = consumer,
+	.measure = measure,
+	.report_progress = hits_drops_report_progress,
+	.report_final = hits_drops_report_final,
+};
+
+const struct bench bench_rename_rawtp = {
+	.name = "rename-rawtp",
+	.validate = validate,
+	.setup = setup_rawtp,
+	.producer_thread = producer,
+	.consumer_thread = consumer,
+	.measure = measure,
+	.report_progress = hits_drops_report_progress,
+	.report_final = hits_drops_report_final,
+};
+
+const struct bench bench_rename_fentry = {
+	.name = "rename-fentry",
+	.validate = validate,
+	.setup = setup_fentry,
+	.producer_thread = producer,
+	.consumer_thread = consumer,
+	.measure = measure,
+	.report_progress = hits_drops_report_progress,
+	.report_final = hits_drops_report_final,
+};
+
+const struct bench bench_rename_fexit = {
+	.name = "rename-fexit",
+	.validate = validate,
+	.setup = setup_fexit,
+	.producer_thread = producer,
+	.consumer_thread = consumer,
+	.measure = measure,
+	.report_progress = hits_drops_report_progress,
+	.report_final = hits_drops_report_final,
+};
diff --git a/tools/testing/selftests/bpf/benchs/bench_ringbufs.c b/tools/testing/selftests/bpf/benchs/bench_ringbufs.c
new file mode 100644
index 000000000..c2554f969
--- /dev/null
+++ b/tools/testing/selftests/bpf/benchs/bench_ringbufs.c
@@ -0,0 +1,562 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2020 Facebook */
+#include <asm/barrier.h>
+#include <linux/perf_event.h>
+#include <linux/ring_buffer.h>
+#include <sys/epoll.h>
+#include <sys/mman.h>
+#include <argp.h>
+#include <stdlib.h>
+#include "bench.h"
+#include "ringbuf_bench.skel.h"
+#include "perfbuf_bench.skel.h"
+
+static struct {
+	bool back2back;
+	int batch_cnt;
+	bool sampled;
+	int sample_rate;
+	int ringbuf_sz; /* per-ringbuf, in bytes */
+	bool ringbuf_use_output; /* use slower output API */
+	int perfbuf_sz; /* per-CPU size, in pages */
+} args = {
+	.back2back = false,
+	.batch_cnt = 500,
+	.sampled = false,
+	.sample_rate = 500,
+	.ringbuf_sz = 512 * 1024,
+	.ringbuf_use_output = false,
+	.perfbuf_sz = 128,
+};
+
+enum {
+	ARG_RB_BACK2BACK = 2000,
+	ARG_RB_USE_OUTPUT = 2001,
+	ARG_RB_BATCH_CNT = 2002,
+	ARG_RB_SAMPLED = 2003,
+	ARG_RB_SAMPLE_RATE = 2004,
+};
+
+static const struct argp_option opts[] = {
+	{ "rb-b2b", ARG_RB_BACK2BACK, NULL, 0, "Back-to-back mode"},
+	{ "rb-use-output", ARG_RB_USE_OUTPUT, NULL, 0, "Use bpf_ringbuf_output() instead of bpf_ringbuf_reserve()"},
+	{ "rb-batch-cnt", ARG_RB_BATCH_CNT, "CNT", 0, "Set BPF-side record batch count"},
+	{ "rb-sampled", ARG_RB_SAMPLED, NULL, 0, "Notification sampling"},
+	{ "rb-sample-rate", ARG_RB_SAMPLE_RATE, "RATE", 0, "Notification sample rate"},
+	{},
+};
+
+static error_t parse_arg(int key, char *arg, struct argp_state *state)
+{
+	switch (key) {
+	case ARG_RB_BACK2BACK:
+		args.back2back = true;
+		break;
+	case ARG_RB_USE_OUTPUT:
+		args.ringbuf_use_output = true;
+		break;
+	case ARG_RB_BATCH_CNT:
+		args.batch_cnt = strtol(arg, NULL, 10);
+		if (args.batch_cnt < 0) {
+			fprintf(stderr, "Invalid batch count.");
+			argp_usage(state);
+		}
+		break;
+	case ARG_RB_SAMPLED:
+		args.sampled = true;
+		break;
+	case ARG_RB_SAMPLE_RATE:
+		args.sample_rate = strtol(arg, NULL, 10);
+		if (args.sample_rate < 0) {
+			fprintf(stderr, "Invalid perfbuf sample rate.");
+			argp_usage(state);
+		}
+		break;
+	default:
+		return ARGP_ERR_UNKNOWN;
+	}
+	return 0;
+}
+
+/* exported into benchmark runner */
+const struct argp bench_ringbufs_argp = {
+	.options = opts,
+	.parser = parse_arg,
+};
+
+/* RINGBUF-LIBBPF benchmark */
+
+static struct counter buf_hits;
+
+static inline void bufs_trigger_batch(void)
+{
+	(void)syscall(__NR_getpgid);
+}
+
+static void bufs_validate(void)
+{
+	if (env.consumer_cnt != 1) {
+		fprintf(stderr, "rb-libbpf benchmark doesn't support multi-consumer!\n");
+		exit(1);
+	}
+
+	if (args.back2back && env.producer_cnt > 1) {
+		fprintf(stderr, "back-to-back mode makes sense only for single-producer case!\n");
+		exit(1);
+	}
+}
+
+static void *bufs_sample_producer(void *input)
+{
+	if (args.back2back) {
+		/* initial batch to get everything started */
+		bufs_trigger_batch();
+		return NULL;
+	}
+
+	while (true)
+		bufs_trigger_batch();
+	return NULL;
+}
+
+static struct ringbuf_libbpf_ctx {
+	struct ringbuf_bench *skel;
+	struct ring_buffer *ringbuf;
+} ringbuf_libbpf_ctx;
+
+static void ringbuf_libbpf_measure(struct bench_res *res)
+{
+	struct ringbuf_libbpf_ctx *ctx = &ringbuf_libbpf_ctx;
+
+	res->hits = atomic_swap(&buf_hits.value, 0);
+	res->drops = atomic_swap(&ctx->skel->bss->dropped, 0);
+}
+
+static struct ringbuf_bench *ringbuf_setup_skeleton(void)
+{
+	struct ringbuf_bench *skel;
+
+	setup_libbpf();
+
+	skel = ringbuf_bench__open();
+	if (!skel) {
+		fprintf(stderr, "failed to open skeleton\n");
+		exit(1);
+	}
+
+	skel->rodata->batch_cnt = args.batch_cnt;
+	skel->rodata->use_output = args.ringbuf_use_output ? 1 : 0;
+
+	if (args.sampled)
+		/* record data + header take 16 bytes */
+		skel->rodata->wakeup_data_size = args.sample_rate * 16;
+
+	bpf_map__set_max_entries(skel->maps.ringbuf, args.ringbuf_sz);
+
+	if (ringbuf_bench__load(skel)) {
+		fprintf(stderr, "failed to load skeleton\n");
+		exit(1);
+	}
+
+	return skel;
+}
+
+static int buf_process_sample(void *ctx, void *data, size_t len)
+{
+	atomic_inc(&buf_hits.value);
+	return 0;
+}
+
+static void ringbuf_libbpf_setup(void)
+{
+	struct ringbuf_libbpf_ctx *ctx = &ringbuf_libbpf_ctx;
+	struct bpf_link *link;
+
+	ctx->skel = ringbuf_setup_skeleton();
+	ctx->ringbuf = ring_buffer__new(bpf_map__fd(ctx->skel->maps.ringbuf),
+					buf_process_sample, NULL, NULL);
+	if (!ctx->ringbuf) {
+		fprintf(stderr, "failed to create ringbuf\n");
+		exit(1);
+	}
+
+	link = bpf_program__attach(ctx->skel->progs.bench_ringbuf);
+	if (!link) {
+		fprintf(stderr, "failed to attach program!\n");
+		exit(1);
+	}
+}
+
+static void *ringbuf_libbpf_consumer(void *input)
+{
+	struct ringbuf_libbpf_ctx *ctx = &ringbuf_libbpf_ctx;
+
+	while (ring_buffer__poll(ctx->ringbuf, -1) >= 0) {
+		if (args.back2back)
+			bufs_trigger_batch();
+	}
+	fprintf(stderr, "ringbuf polling failed!\n");
+	return NULL;
+}
+
+/* RINGBUF-CUSTOM benchmark */
+struct ringbuf_custom {
+	__u64 *consumer_pos;
+	__u64 *producer_pos;
+	__u64 mask;
+	void *data;
+	int map_fd;
+};
+
+static struct ringbuf_custom_ctx {
+	struct ringbuf_bench *skel;
+	struct ringbuf_custom ringbuf;
+	int epoll_fd;
+	struct epoll_event event;
+} ringbuf_custom_ctx;
+
+static void ringbuf_custom_measure(struct bench_res *res)
+{
+	struct ringbuf_custom_ctx *ctx = &ringbuf_custom_ctx;
+
+	res->hits = atomic_swap(&buf_hits.value, 0);
+	res->drops = atomic_swap(&ctx->skel->bss->dropped, 0);
+}
+
+static void ringbuf_custom_setup(void)
+{
+	struct ringbuf_custom_ctx *ctx = &ringbuf_custom_ctx;
+	const size_t page_size = getpagesize();
+	struct bpf_link *link;
+	struct ringbuf_custom *r;
+	void *tmp;
+	int err;
+
+	ctx->skel = ringbuf_setup_skeleton();
+
+	ctx->epoll_fd = epoll_create1(EPOLL_CLOEXEC);
+	if (ctx->epoll_fd < 0) {
+		fprintf(stderr, "failed to create epoll fd: %d\n", -errno);
+		exit(1);
+	}
+
+	r = &ctx->ringbuf;
+	r->map_fd = bpf_map__fd(ctx->skel->maps.ringbuf);
+	r->mask = args.ringbuf_sz - 1;
+
+	/* Map writable consumer page */
+	tmp = mmap(NULL, page_size, PROT_READ | PROT_WRITE, MAP_SHARED,
+		   r->map_fd, 0);
+	if (tmp == MAP_FAILED) {
+		fprintf(stderr, "failed to mmap consumer page: %d\n", -errno);
+		exit(1);
+	}
+	r->consumer_pos = tmp;
+
+	/* Map read-only producer page and data pages. */
+	tmp = mmap(NULL, page_size + 2 * args.ringbuf_sz, PROT_READ, MAP_SHARED,
+		   r->map_fd, page_size);
+	if (tmp == MAP_FAILED) {
+		fprintf(stderr, "failed to mmap data pages: %d\n", -errno);
+		exit(1);
+	}
+	r->producer_pos = tmp;
+	r->data = tmp + page_size;
+
+	ctx->event.events = EPOLLIN;
+	err = epoll_ctl(ctx->epoll_fd, EPOLL_CTL_ADD, r->map_fd, &ctx->event);
+	if (err < 0) {
+		fprintf(stderr, "failed to epoll add ringbuf: %d\n", -errno);
+		exit(1);
+	}
+
+	link = bpf_program__attach(ctx->skel->progs.bench_ringbuf);
+	if (!link) {
+		fprintf(stderr, "failed to attach program\n");
+		exit(1);
+	}
+}
+
+#define RINGBUF_BUSY_BIT (1 << 31)
+#define RINGBUF_DISCARD_BIT (1 << 30)
+#define RINGBUF_META_LEN 8
+
+static inline int roundup_len(__u32 len)
+{
+	/* clear out top 2 bits */
+	len <<= 2;
+	len >>= 2;
+	/* add length prefix */
+	len += RINGBUF_META_LEN;
+	/* round up to 8 byte alignment */
+	return (len + 7) / 8 * 8;
+}
+
+static void ringbuf_custom_process_ring(struct ringbuf_custom *r)
+{
+	unsigned long cons_pos, prod_pos;
+	int *len_ptr, len;
+	bool got_new_data;
+
+	cons_pos = smp_load_acquire(r->consumer_pos);
+	while (true) {
+		got_new_data = false;
+		prod_pos = smp_load_acquire(r->producer_pos);
+		while (cons_pos < prod_pos) {
+			len_ptr = r->data + (cons_pos & r->mask);
+			len = smp_load_acquire(len_ptr);
+
+			/* sample not committed yet, bail out for now */
+			if (len & RINGBUF_BUSY_BIT)
+				return;
+
+			got_new_data = true;
+			cons_pos += roundup_len(len);
+
+			atomic_inc(&buf_hits.value);
+		}
+		if (got_new_data)
+			smp_store_release(r->consumer_pos, cons_pos);
+		else
+			break;
+	}
+}
+
+static void *ringbuf_custom_consumer(void *input)
+{
+	struct ringbuf_custom_ctx *ctx = &ringbuf_custom_ctx;
+	int cnt;
+
+	do {
+		if (args.back2back)
+			bufs_trigger_batch();
+		cnt = epoll_wait(ctx->epoll_fd, &ctx->event, 1, -1);
+		if (cnt > 0)
+			ringbuf_custom_process_ring(&ctx->ringbuf);
+	} while (cnt >= 0);
+	fprintf(stderr, "ringbuf polling failed!\n");
+	return 0;
+}
+
+/* PERFBUF-LIBBPF benchmark */
+static struct perfbuf_libbpf_ctx {
+	struct perfbuf_bench *skel;
+	struct perf_buffer *perfbuf;
+} perfbuf_libbpf_ctx;
+
+static void perfbuf_measure(struct bench_res *res)
+{
+	struct perfbuf_libbpf_ctx *ctx = &perfbuf_libbpf_ctx;
+
+	res->hits = atomic_swap(&buf_hits.value, 0);
+	res->drops = atomic_swap(&ctx->skel->bss->dropped, 0);
+}
+
+static struct perfbuf_bench *perfbuf_setup_skeleton(void)
+{
+	struct perfbuf_bench *skel;
+
+	setup_libbpf();
+
+	skel = perfbuf_bench__open();
+	if (!skel) {
+		fprintf(stderr, "failed to open skeleton\n");
+		exit(1);
+	}
+
+	skel->rodata->batch_cnt = args.batch_cnt;
+
+	if (perfbuf_bench__load(skel)) {
+		fprintf(stderr, "failed to load skeleton\n");
+		exit(1);
+	}
+
+	return skel;
+}
+
+static enum bpf_perf_event_ret
+perfbuf_process_sample_raw(void *input_ctx, int cpu,
+			   struct perf_event_header *e)
+{
+	switch (e->type) {
+	case PERF_RECORD_SAMPLE:
+		atomic_inc(&buf_hits.value);
+		break;
+	case PERF_RECORD_LOST:
+		break;
+	default:
+		return LIBBPF_PERF_EVENT_ERROR;
+	}
+	return LIBBPF_PERF_EVENT_CONT;
+}
+
+static void perfbuf_libbpf_setup(void)
+{
+	struct perfbuf_libbpf_ctx *ctx = &perfbuf_libbpf_ctx;
+	struct perf_event_attr attr;
+	struct bpf_link *link;
+
+	ctx->skel = perfbuf_setup_skeleton();
+
+	memset(&attr, 0, sizeof(attr));
+	attr.config = PERF_COUNT_SW_BPF_OUTPUT,
+	attr.type = PERF_TYPE_SOFTWARE;
+	attr.sample_type = PERF_SAMPLE_RAW;
+	/* notify only every Nth sample */
+	if (args.sampled) {
+		attr.sample_period = args.sample_rate;
+		attr.wakeup_events = args.sample_rate;
+	} else {
+		attr.sample_period = 1;
+		attr.wakeup_events = 1;
+	}
+
+	if (args.sample_rate > args.batch_cnt) {
+		fprintf(stderr, "sample rate %d is too high for given batch count %d\n",
+			args.sample_rate, args.batch_cnt);
+		exit(1);
+	}
+
+	ctx->perfbuf = perf_buffer__new_raw(bpf_map__fd(ctx->skel->maps.perfbuf),
+					    args.perfbuf_sz, &attr,
+					    perfbuf_process_sample_raw, NULL, NULL);
+	if (!ctx->perfbuf) {
+		fprintf(stderr, "failed to create perfbuf\n");
+		exit(1);
+	}
+
+	link = bpf_program__attach(ctx->skel->progs.bench_perfbuf);
+	if (!link) {
+		fprintf(stderr, "failed to attach program\n");
+		exit(1);
+	}
+}
+
+static void *perfbuf_libbpf_consumer(void *input)
+{
+	struct perfbuf_libbpf_ctx *ctx = &perfbuf_libbpf_ctx;
+
+	while (perf_buffer__poll(ctx->perfbuf, -1) >= 0) {
+		if (args.back2back)
+			bufs_trigger_batch();
+	}
+	fprintf(stderr, "perfbuf polling failed!\n");
+	return NULL;
+}
+
+/* PERFBUF-CUSTOM benchmark */
+
+/* copies of internal libbpf definitions */
+struct perf_cpu_buf {
+	struct perf_buffer *pb;
+	void *base; /* mmap()'ed memory */
+	void *buf; /* for reconstructing segmented data */
+	size_t buf_size;
+	int fd;
+	int cpu;
+	int map_key;
+};
+
+struct perf_buffer {
+	perf_buffer_event_fn event_cb;
+	perf_buffer_sample_fn sample_cb;
+	perf_buffer_lost_fn lost_cb;
+	void *ctx; /* passed into callbacks */
+
+	size_t page_size;
+	size_t mmap_size;
+	struct perf_cpu_buf **cpu_bufs;
+	struct epoll_event *events;
+	int cpu_cnt; /* number of allocated CPU buffers */
+	int epoll_fd; /* perf event FD */
+	int map_fd; /* BPF_MAP_TYPE_PERF_EVENT_ARRAY BPF map FD */
+};
+
+static void *perfbuf_custom_consumer(void *input)
+{
+	struct perfbuf_libbpf_ctx *ctx = &perfbuf_libbpf_ctx;
+	struct perf_buffer *pb = ctx->perfbuf;
+	struct perf_cpu_buf *cpu_buf;
+	struct perf_event_mmap_page *header;
+	size_t mmap_mask = pb->mmap_size - 1;
+	struct perf_event_header *ehdr;
+	__u64 data_head, data_tail;
+	size_t ehdr_size;
+	void *base;
+	int i, cnt;
+
+	while (true) {
+		if (args.back2back)
+			bufs_trigger_batch();
+		cnt = epoll_wait(pb->epoll_fd, pb->events, pb->cpu_cnt, -1);
+		if (cnt <= 0) {
+			fprintf(stderr, "perf epoll failed: %d\n", -errno);
+			exit(1);
+		}
+
+		for (i = 0; i < cnt; ++i) {
+			cpu_buf = pb->events[i].data.ptr;
+			header = cpu_buf->base;
+			base = ((void *)header) + pb->page_size;
+
+			data_head = ring_buffer_read_head(header);
+			data_tail = header->data_tail;
+			while (data_head != data_tail) {
+				ehdr = base + (data_tail & mmap_mask);
+				ehdr_size = ehdr->size;
+
+				if (ehdr->type == PERF_RECORD_SAMPLE)
+					atomic_inc(&buf_hits.value);
+
+				data_tail += ehdr_size;
+			}
+			ring_buffer_write_tail(header, data_tail);
+		}
+	}
+	return NULL;
+}
+
+const struct bench bench_rb_libbpf = {
+	.name = "rb-libbpf",
+	.validate = bufs_validate,
+	.setup = ringbuf_libbpf_setup,
+	.producer_thread = bufs_sample_producer,
+	.consumer_thread = ringbuf_libbpf_consumer,
+	.measure = ringbuf_libbpf_measure,
+	.report_progress = hits_drops_report_progress,
+	.report_final = hits_drops_report_final,
+};
+
+const struct bench bench_rb_custom = {
+	.name = "rb-custom",
+	.validate = bufs_validate,
+	.setup = ringbuf_custom_setup,
+	.producer_thread = bufs_sample_producer,
+	.consumer_thread = ringbuf_custom_consumer,
+	.measure = ringbuf_custom_measure,
+	.report_progress = hits_drops_report_progress,
+	.report_final = hits_drops_report_final,
+};
+
+const struct bench bench_pb_libbpf = {
+	.name = "pb-libbpf",
+	.validate = bufs_validate,
+	.setup = perfbuf_libbpf_setup,
+	.producer_thread = bufs_sample_producer,
+	.consumer_thread = perfbuf_libbpf_consumer,
+	.measure = perfbuf_measure,
+	.report_progress = hits_drops_report_progress,
+	.report_final = hits_drops_report_final,
+};
+
+const struct bench bench_pb_custom = {
+	.name = "pb-custom",
+	.validate = bufs_validate,
+	.setup = perfbuf_libbpf_setup,
+	.producer_thread = bufs_sample_producer,
+	.consumer_thread = perfbuf_custom_consumer,
+	.measure = perfbuf_measure,
+	.report_progress = hits_drops_report_progress,
+	.report_final = hits_drops_report_final,
+};
+
diff --git a/tools/testing/selftests/bpf/benchs/bench_strncmp.c b/tools/testing/selftests/bpf/benchs/bench_strncmp.c
new file mode 100644
index 000000000..494b591c0
--- /dev/null
+++ b/tools/testing/selftests/bpf/benchs/bench_strncmp.c
@@ -0,0 +1,161 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (C) 2021. Huawei Technologies Co., Ltd */
+#include <argp.h>
+#include "bench.h"
+#include "strncmp_bench.skel.h"
+
+static struct strncmp_ctx {
+	struct strncmp_bench *skel;
+} ctx;
+
+static struct strncmp_args {
+	u32 cmp_str_len;
+} args = {
+	.cmp_str_len = 32,
+};
+
+enum {
+	ARG_CMP_STR_LEN = 5000,
+};
+
+static const struct argp_option opts[] = {
+	{ "cmp-str-len", ARG_CMP_STR_LEN, "CMP_STR_LEN", 0,
+	  "Set the length of compared string" },
+	{},
+};
+
+static error_t strncmp_parse_arg(int key, char *arg, struct argp_state *state)
+{
+	switch (key) {
+	case ARG_CMP_STR_LEN:
+		args.cmp_str_len = strtoul(arg, NULL, 10);
+		if (!args.cmp_str_len ||
+		    args.cmp_str_len >= sizeof(ctx.skel->bss->str)) {
+			fprintf(stderr, "Invalid cmp str len (limit %zu)\n",
+				sizeof(ctx.skel->bss->str));
+			argp_usage(state);
+		}
+		break;
+	default:
+		return ARGP_ERR_UNKNOWN;
+	}
+
+	return 0;
+}
+
+const struct argp bench_strncmp_argp = {
+	.options = opts,
+	.parser = strncmp_parse_arg,
+};
+
+static void strncmp_validate(void)
+{
+	if (env.consumer_cnt != 1) {
+		fprintf(stderr, "strncmp benchmark doesn't support multi-consumer!\n");
+		exit(1);
+	}
+}
+
+static void strncmp_setup(void)
+{
+	int err;
+	char *target;
+	size_t i, sz;
+
+	sz = sizeof(ctx.skel->rodata->target);
+	if (!sz || sz < sizeof(ctx.skel->bss->str)) {
+		fprintf(stderr, "invalid string size (target %zu, src %zu)\n",
+			sz, sizeof(ctx.skel->bss->str));
+		exit(1);
+	}
+
+	setup_libbpf();
+
+	ctx.skel = strncmp_bench__open();
+	if (!ctx.skel) {
+		fprintf(stderr, "failed to open skeleton\n");
+		exit(1);
+	}
+
+	srandom(time(NULL));
+	target = ctx.skel->rodata->target;
+	for (i = 0; i < sz - 1; i++)
+		target[i] = '1' + random() % 9;
+	target[sz - 1] = '\0';
+
+	ctx.skel->rodata->cmp_str_len = args.cmp_str_len;
+
+	memcpy(ctx.skel->bss->str, target, args.cmp_str_len);
+	ctx.skel->bss->str[args.cmp_str_len] = '\0';
+	/* Make bss->str < rodata->target */
+	ctx.skel->bss->str[args.cmp_str_len - 1] -= 1;
+
+	err = strncmp_bench__load(ctx.skel);
+	if (err) {
+		fprintf(stderr, "failed to load skeleton\n");
+		strncmp_bench__destroy(ctx.skel);
+		exit(1);
+	}
+}
+
+static void strncmp_attach_prog(struct bpf_program *prog)
+{
+	struct bpf_link *link;
+
+	link = bpf_program__attach(prog);
+	if (!link) {
+		fprintf(stderr, "failed to attach program!\n");
+		exit(1);
+	}
+}
+
+static void strncmp_no_helper_setup(void)
+{
+	strncmp_setup();
+	strncmp_attach_prog(ctx.skel->progs.strncmp_no_helper);
+}
+
+static void strncmp_helper_setup(void)
+{
+	strncmp_setup();
+	strncmp_attach_prog(ctx.skel->progs.strncmp_helper);
+}
+
+static void *strncmp_producer(void *ctx)
+{
+	while (true)
+		(void)syscall(__NR_getpgid);
+	return NULL;
+}
+
+static void *strncmp_consumer(void *ctx)
+{
+	return NULL;
+}
+
+static void strncmp_measure(struct bench_res *res)
+{
+	res->hits = atomic_swap(&ctx.skel->bss->hits, 0);
+}
+
+const struct bench bench_strncmp_no_helper = {
+	.name = "strncmp-no-helper",
+	.validate = strncmp_validate,
+	.setup = strncmp_no_helper_setup,
+	.producer_thread = strncmp_producer,
+	.consumer_thread = strncmp_consumer,
+	.measure = strncmp_measure,
+	.report_progress = hits_drops_report_progress,
+	.report_final = hits_drops_report_final,
+};
+
+const struct bench bench_strncmp_helper = {
+	.name = "strncmp-helper",
+	.validate = strncmp_validate,
+	.setup = strncmp_helper_setup,
+	.producer_thread = strncmp_producer,
+	.consumer_thread = strncmp_consumer,
+	.measure = strncmp_measure,
+	.report_progress = hits_drops_report_progress,
+	.report_final = hits_drops_report_final,
+};
diff --git a/tools/testing/selftests/bpf/benchs/bench_trigger.c b/tools/testing/selftests/bpf/benchs/bench_trigger.c
new file mode 100644
index 000000000..0c481de28
--- /dev/null
+++ b/tools/testing/selftests/bpf/benchs/bench_trigger.c
@@ -0,0 +1,328 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2020 Facebook */
+#include "bench.h"
+#include "trigger_bench.skel.h"
+#include "trace_helpers.h"
+
+/* BPF triggering benchmarks */
+static struct trigger_ctx {
+	struct trigger_bench *skel;
+} ctx;
+
+static struct counter base_hits;
+
+static void trigger_validate(void)
+{
+	if (env.consumer_cnt != 1) {
+		fprintf(stderr, "benchmark doesn't support multi-consumer!\n");
+		exit(1);
+	}
+}
+
+static void *trigger_base_producer(void *input)
+{
+	while (true) {
+		(void)syscall(__NR_getpgid);
+		atomic_inc(&base_hits.value);
+	}
+	return NULL;
+}
+
+static void trigger_base_measure(struct bench_res *res)
+{
+	res->hits = atomic_swap(&base_hits.value, 0);
+}
+
+static void *trigger_producer(void *input)
+{
+	while (true)
+		(void)syscall(__NR_getpgid);
+	return NULL;
+}
+
+static void trigger_measure(struct bench_res *res)
+{
+	res->hits = atomic_swap(&ctx.skel->bss->hits, 0);
+}
+
+static void setup_ctx(void)
+{
+	setup_libbpf();
+
+	ctx.skel = trigger_bench__open_and_load();
+	if (!ctx.skel) {
+		fprintf(stderr, "failed to open skeleton\n");
+		exit(1);
+	}
+}
+
+static void attach_bpf(struct bpf_program *prog)
+{
+	struct bpf_link *link;
+
+	link = bpf_program__attach(prog);
+	if (!link) {
+		fprintf(stderr, "failed to attach program!\n");
+		exit(1);
+	}
+}
+
+static void trigger_tp_setup(void)
+{
+	setup_ctx();
+	attach_bpf(ctx.skel->progs.bench_trigger_tp);
+}
+
+static void trigger_rawtp_setup(void)
+{
+	setup_ctx();
+	attach_bpf(ctx.skel->progs.bench_trigger_raw_tp);
+}
+
+static void trigger_kprobe_setup(void)
+{
+	setup_ctx();
+	attach_bpf(ctx.skel->progs.bench_trigger_kprobe);
+}
+
+static void trigger_fentry_setup(void)
+{
+	setup_ctx();
+	attach_bpf(ctx.skel->progs.bench_trigger_fentry);
+}
+
+static void trigger_fentry_sleep_setup(void)
+{
+	setup_ctx();
+	attach_bpf(ctx.skel->progs.bench_trigger_fentry_sleep);
+}
+
+static void trigger_fmodret_setup(void)
+{
+	setup_ctx();
+	attach_bpf(ctx.skel->progs.bench_trigger_fmodret);
+}
+
+static void *trigger_consumer(void *input)
+{
+	return NULL;
+}
+
+/* make sure call is not inlined and not avoided by compiler, so __weak and
+ * inline asm volatile in the body of the function
+ *
+ * There is a performance difference between uprobing at nop location vs other
+ * instructions. So use two different targets, one of which starts with nop
+ * and another doesn't.
+ *
+ * GCC doesn't generate stack setup preample for these functions due to them
+ * having no input arguments and doing nothing in the body.
+ */
+__weak void uprobe_target_with_nop(void)
+{
+	asm volatile ("nop");
+}
+
+__weak void uprobe_target_without_nop(void)
+{
+	asm volatile ("");
+}
+
+static void *uprobe_base_producer(void *input)
+{
+	while (true) {
+		uprobe_target_with_nop();
+		atomic_inc(&base_hits.value);
+	}
+	return NULL;
+}
+
+static void *uprobe_producer_with_nop(void *input)
+{
+	while (true)
+		uprobe_target_with_nop();
+	return NULL;
+}
+
+static void *uprobe_producer_without_nop(void *input)
+{
+	while (true)
+		uprobe_target_without_nop();
+	return NULL;
+}
+
+static void usetup(bool use_retprobe, bool use_nop)
+{
+	size_t uprobe_offset;
+	struct bpf_link *link;
+
+	setup_libbpf();
+
+	ctx.skel = trigger_bench__open_and_load();
+	if (!ctx.skel) {
+		fprintf(stderr, "failed to open skeleton\n");
+		exit(1);
+	}
+
+	if (use_nop)
+		uprobe_offset = get_uprobe_offset(&uprobe_target_with_nop);
+	else
+		uprobe_offset = get_uprobe_offset(&uprobe_target_without_nop);
+
+	link = bpf_program__attach_uprobe(ctx.skel->progs.bench_trigger_uprobe,
+					  use_retprobe,
+					  -1 /* all PIDs */,
+					  "/proc/self/exe",
+					  uprobe_offset);
+	if (!link) {
+		fprintf(stderr, "failed to attach uprobe!\n");
+		exit(1);
+	}
+	ctx.skel->links.bench_trigger_uprobe = link;
+}
+
+static void uprobe_setup_with_nop(void)
+{
+	usetup(false, true);
+}
+
+static void uretprobe_setup_with_nop(void)
+{
+	usetup(true, true);
+}
+
+static void uprobe_setup_without_nop(void)
+{
+	usetup(false, false);
+}
+
+static void uretprobe_setup_without_nop(void)
+{
+	usetup(true, false);
+}
+
+const struct bench bench_trig_base = {
+	.name = "trig-base",
+	.validate = trigger_validate,
+	.producer_thread = trigger_base_producer,
+	.consumer_thread = trigger_consumer,
+	.measure = trigger_base_measure,
+	.report_progress = hits_drops_report_progress,
+	.report_final = hits_drops_report_final,
+};
+
+const struct bench bench_trig_tp = {
+	.name = "trig-tp",
+	.validate = trigger_validate,
+	.setup = trigger_tp_setup,
+	.producer_thread = trigger_producer,
+	.consumer_thread = trigger_consumer,
+	.measure = trigger_measure,
+	.report_progress = hits_drops_report_progress,
+	.report_final = hits_drops_report_final,
+};
+
+const struct bench bench_trig_rawtp = {
+	.name = "trig-rawtp",
+	.validate = trigger_validate,
+	.setup = trigger_rawtp_setup,
+	.producer_thread = trigger_producer,
+	.consumer_thread = trigger_consumer,
+	.measure = trigger_measure,
+	.report_progress = hits_drops_report_progress,
+	.report_final = hits_drops_report_final,
+};
+
+const struct bench bench_trig_kprobe = {
+	.name = "trig-kprobe",
+	.validate = trigger_validate,
+	.setup = trigger_kprobe_setup,
+	.producer_thread = trigger_producer,
+	.consumer_thread = trigger_consumer,
+	.measure = trigger_measure,
+	.report_progress = hits_drops_report_progress,
+	.report_final = hits_drops_report_final,
+};
+
+const struct bench bench_trig_fentry = {
+	.name = "trig-fentry",
+	.validate = trigger_validate,
+	.setup = trigger_fentry_setup,
+	.producer_thread = trigger_producer,
+	.consumer_thread = trigger_consumer,
+	.measure = trigger_measure,
+	.report_progress = hits_drops_report_progress,
+	.report_final = hits_drops_report_final,
+};
+
+const struct bench bench_trig_fentry_sleep = {
+	.name = "trig-fentry-sleep",
+	.validate = trigger_validate,
+	.setup = trigger_fentry_sleep_setup,
+	.producer_thread = trigger_producer,
+	.consumer_thread = trigger_consumer,
+	.measure = trigger_measure,
+	.report_progress = hits_drops_report_progress,
+	.report_final = hits_drops_report_final,
+};
+
+const struct bench bench_trig_fmodret = {
+	.name = "trig-fmodret",
+	.validate = trigger_validate,
+	.setup = trigger_fmodret_setup,
+	.producer_thread = trigger_producer,
+	.consumer_thread = trigger_consumer,
+	.measure = trigger_measure,
+	.report_progress = hits_drops_report_progress,
+	.report_final = hits_drops_report_final,
+};
+
+const struct bench bench_trig_uprobe_base = {
+	.name = "trig-uprobe-base",
+	.setup = NULL, /* no uprobe/uretprobe is attached */
+	.producer_thread = uprobe_base_producer,
+	.consumer_thread = trigger_consumer,
+	.measure = trigger_base_measure,
+	.report_progress = hits_drops_report_progress,
+	.report_final = hits_drops_report_final,
+};
+
+const struct bench bench_trig_uprobe_with_nop = {
+	.name = "trig-uprobe-with-nop",
+	.setup = uprobe_setup_with_nop,
+	.producer_thread = uprobe_producer_with_nop,
+	.consumer_thread = trigger_consumer,
+	.measure = trigger_measure,
+	.report_progress = hits_drops_report_progress,
+	.report_final = hits_drops_report_final,
+};
+
+const struct bench bench_trig_uretprobe_with_nop = {
+	.name = "trig-uretprobe-with-nop",
+	.setup = uretprobe_setup_with_nop,
+	.producer_thread = uprobe_producer_with_nop,
+	.consumer_thread = trigger_consumer,
+	.measure = trigger_measure,
+	.report_progress = hits_drops_report_progress,
+	.report_final = hits_drops_report_final,
+};
+
+const struct bench bench_trig_uprobe_without_nop = {
+	.name = "trig-uprobe-without-nop",
+	.setup = uprobe_setup_without_nop,
+	.producer_thread = uprobe_producer_without_nop,
+	.consumer_thread = trigger_consumer,
+	.measure = trigger_measure,
+	.report_progress = hits_drops_report_progress,
+	.report_final = hits_drops_report_final,
+};
+
+const struct bench bench_trig_uretprobe_without_nop = {
+	.name = "trig-uretprobe-without-nop",
+	.setup = uretprobe_setup_without_nop,
+	.producer_thread = uprobe_producer_without_nop,
+	.consumer_thread = trigger_consumer,
+	.measure = trigger_measure,
+	.report_progress = hits_drops_report_progress,
+	.report_final = hits_drops_report_final,
+};
diff --git a/tools/testing/selftests/bpf/benchs/run_bench_bloom_filter_map.sh b/tools/testing/selftests/bpf/benchs/run_bench_bloom_filter_map.sh
new file mode 100755
index 000000000..8ffd385ab
--- /dev/null
+++ b/tools/testing/selftests/bpf/benchs/run_bench_bloom_filter_map.sh
@@ -0,0 +1,45 @@
+#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
+
+source ./benchs/run_common.sh
+
+set -eufo pipefail
+
+header "Bloom filter map"
+for v in 2 4 8 16 40; do
+for t in 1 4 8 12 16; do
+for h in {1..10}; do
+subtitle "value_size: $v bytes, # threads: $t, # hashes: $h"
+	for e in 10000 50000 75000 100000 250000 500000 750000 1000000 2500000 5000000; do
+		printf "%'d entries -\n" $e
+		printf "\t"
+		summarize "Lookups, total operations: " \
+			"$($RUN_BENCH -p $t --nr_hash_funcs $h --nr_entries $e --value_size $v bloom-lookup)"
+		printf "\t"
+		summarize "Updates, total operations: " \
+			"$($RUN_BENCH -p $t --nr_hash_funcs $h --nr_entries $e --value_size $v bloom-update)"
+		printf "\t"
+		summarize_percentage "False positive rate: " \
+			"$($RUN_BENCH -p $t --nr_hash_funcs $h --nr_entries $e --value_size $v bloom-false-positive)"
+	done
+	printf "\n"
+done
+done
+done
+
+header "Hashmap without bloom filter vs. hashmap with bloom filter (throughput, 8 threads)"
+for v in 2 4 8 16 40; do
+for h in {1..10}; do
+subtitle "value_size: $v, # hashes: $h"
+	for e in 10000 50000 75000 100000 250000 500000 750000 1000000 2500000 5000000; do
+		printf "%'d entries -\n" $e
+		printf "\t"
+		summarize_total "Hashmap without bloom filter: " \
+			"$($RUN_BENCH --nr_hash_funcs $h --nr_entries $e --value_size $v -p 8 hashmap-without-bloom)"
+		printf "\t"
+		summarize_total "Hashmap with bloom filter: " \
+			"$($RUN_BENCH --nr_hash_funcs $h --nr_entries $e --value_size $v -p 8 hashmap-with-bloom)"
+	done
+	printf "\n"
+done
+done
diff --git a/tools/testing/selftests/bpf/benchs/run_bench_bpf_hashmap_full_update.sh b/tools/testing/selftests/bpf/benchs/run_bench_bpf_hashmap_full_update.sh
new file mode 100755
index 000000000..1e2de838f
--- /dev/null
+++ b/tools/testing/selftests/bpf/benchs/run_bench_bpf_hashmap_full_update.sh
@@ -0,0 +1,11 @@
+#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
+
+source ./benchs/run_common.sh
+
+set -eufo pipefail
+
+nr_threads=`expr $(cat /proc/cpuinfo | grep "processor"| wc -l) - 1`
+summary=$($RUN_BENCH -p $nr_threads bpf-hashmap-ful-update)
+printf "$summary"
+printf "\n"
diff --git a/tools/testing/selftests/bpf/benchs/run_bench_bpf_loop.sh b/tools/testing/selftests/bpf/benchs/run_bench_bpf_loop.sh
new file mode 100755
index 000000000..d4f5f73b3
--- /dev/null
+++ b/tools/testing/selftests/bpf/benchs/run_bench_bpf_loop.sh
@@ -0,0 +1,15 @@
+#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
+
+source ./benchs/run_common.sh
+
+set -eufo pipefail
+
+for t in 1 4 8 12 16; do
+for i in 10 100 500 1000 5000 10000 50000 100000 500000 1000000; do
+subtitle "nr_loops: $i, nr_threads: $t"
+	summarize_ops "bpf_loop: " \
+	    "$($RUN_BENCH -p $t --nr_loops $i bpf-loop)"
+	printf "\n"
+done
+done
diff --git a/tools/testing/selftests/bpf/benchs/run_bench_local_storage.sh b/tools/testing/selftests/bpf/benchs/run_bench_local_storage.sh
new file mode 100755
index 000000000..2eb2b513a
--- /dev/null
+++ b/tools/testing/selftests/bpf/benchs/run_bench_local_storage.sh
@@ -0,0 +1,24 @@
+#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
+
+source ./benchs/run_common.sh
+
+set -eufo pipefail
+
+header "Hashmap Control"
+for i in 10 1000 10000 100000 4194304; do
+subtitle "num keys: $i"
+	summarize_local_storage "hashmap (control) sequential    get: "\
+		"$(./bench --nr_maps 1 --hashmap_nr_keys_used=$i local-storage-cache-hashmap-control)"
+	printf "\n"
+done
+
+header "Local Storage"
+for i in 1 10 16 17 24 32 100 1000; do
+subtitle "num_maps: $i"
+	summarize_local_storage "local_storage cache sequential  get: "\
+		"$(./bench --nr_maps $i local-storage-cache-seq-get)"
+	summarize_local_storage "local_storage cache interleaved get: "\
+		"$(./bench --nr_maps $i local-storage-cache-int-get)"
+	printf "\n"
+done
diff --git a/tools/testing/selftests/bpf/benchs/run_bench_local_storage_rcu_tasks_trace.sh b/tools/testing/selftests/bpf/benchs/run_bench_local_storage_rcu_tasks_trace.sh
new file mode 100755
index 000000000..5dac1f028
--- /dev/null
+++ b/tools/testing/selftests/bpf/benchs/run_bench_local_storage_rcu_tasks_trace.sh
@@ -0,0 +1,11 @@
+#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
+
+kthread_pid=`pgrep rcu_tasks_trace_kthread`
+
+if [ -z $kthread_pid ]; then
+	echo "error: Couldn't find rcu_tasks_trace_kthread"
+	exit 1
+fi
+
+./bench --nr_procs 15000 --kthread_pid $kthread_pid -d 600 --quiet 1 local-storage-tasks-trace
diff --git a/tools/testing/selftests/bpf/benchs/run_bench_rename.sh b/tools/testing/selftests/bpf/benchs/run_bench_rename.sh
new file mode 100755
index 000000000..7b281dbe4
--- /dev/null
+++ b/tools/testing/selftests/bpf/benchs/run_bench_rename.sh
@@ -0,0 +1,9 @@
+#!/bin/bash
+
+set -eufo pipefail
+
+for i in base kprobe kretprobe rawtp fentry fexit
+do
+	summary=$(sudo ./bench -w2 -d5 -a rename-$i | tail -n1 | cut -d'(' -f1 | cut -d' ' -f3-)
+	printf "%-10s: %s\n" $i "$summary"
+done
diff --git a/tools/testing/selftests/bpf/benchs/run_bench_ringbufs.sh b/tools/testing/selftests/bpf/benchs/run_bench_ringbufs.sh
new file mode 100755
index 000000000..ada028aa9
--- /dev/null
+++ b/tools/testing/selftests/bpf/benchs/run_bench_ringbufs.sh
@@ -0,0 +1,49 @@
+#!/bin/bash
+
+source ./benchs/run_common.sh
+
+set -eufo pipefail
+
+header "Single-producer, parallel producer"
+for b in rb-libbpf rb-custom pb-libbpf pb-custom; do
+	summarize $b "$($RUN_BENCH $b)"
+done
+
+header "Single-producer, parallel producer, sampled notification"
+for b in rb-libbpf rb-custom pb-libbpf pb-custom; do
+	summarize $b "$($RUN_BENCH --rb-sampled $b)"
+done
+
+header "Single-producer, back-to-back mode"
+for b in rb-libbpf rb-custom pb-libbpf pb-custom; do
+	summarize $b "$($RUN_BENCH --rb-b2b $b)"
+	summarize $b-sampled "$($RUN_BENCH --rb-sampled --rb-b2b $b)"
+done
+
+header "Ringbuf back-to-back, effect of sample rate"
+for b in 1 5 10 25 50 100 250 500 1000 2000 3000; do
+	summarize "rb-sampled-$b" "$($RUN_BENCH --rb-b2b --rb-batch-cnt $b --rb-sampled --rb-sample-rate $b rb-custom)"
+done
+header "Perfbuf back-to-back, effect of sample rate"
+for b in 1 5 10 25 50 100 250 500 1000 2000 3000; do
+	summarize "pb-sampled-$b" "$($RUN_BENCH --rb-b2b --rb-batch-cnt $b --rb-sampled --rb-sample-rate $b pb-custom)"
+done
+
+header "Ringbuf back-to-back, reserve+commit vs output"
+summarize "reserve" "$($RUN_BENCH --rb-b2b                 rb-custom)"
+summarize "output"  "$($RUN_BENCH --rb-b2b --rb-use-output rb-custom)"
+
+header "Ringbuf sampled, reserve+commit vs output"
+summarize "reserve-sampled" "$($RUN_BENCH --rb-sampled                 rb-custom)"
+summarize "output-sampled"  "$($RUN_BENCH --rb-sampled --rb-use-output rb-custom)"
+
+header "Single-producer, consumer/producer competing on the same CPU, low batch count"
+for b in rb-libbpf rb-custom pb-libbpf pb-custom; do
+	summarize $b "$($RUN_BENCH --rb-batch-cnt 1 --rb-sample-rate 1 --prod-affinity 0 --cons-affinity 0 $b)"
+done
+
+header "Ringbuf, multi-producer contention"
+for b in 1 2 3 4 8 12 16 20 24 28 32 36 40 44 48 52; do
+	summarize "rb-libbpf nr_prod $b" "$($RUN_BENCH -p$b --rb-batch-cnt 50 rb-libbpf)"
+done
+
diff --git a/tools/testing/selftests/bpf/benchs/run_bench_strncmp.sh b/tools/testing/selftests/bpf/benchs/run_bench_strncmp.sh
new file mode 100755
index 000000000..142697284
--- /dev/null
+++ b/tools/testing/selftests/bpf/benchs/run_bench_strncmp.sh
@@ -0,0 +1,12 @@
+#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
+
+source ./benchs/run_common.sh
+
+set -eufo pipefail
+
+for s in 1 8 64 512 2048 4095; do
+	for b in no-helper helper; do
+		summarize ${b}-${s} "$($RUN_BENCH --cmp-str-len=$s strncmp-${b})"
+	done
+done
diff --git a/tools/testing/selftests/bpf/benchs/run_bench_trigger.sh b/tools/testing/selftests/bpf/benchs/run_bench_trigger.sh
new file mode 100755
index 000000000..78e83f243
--- /dev/null
+++ b/tools/testing/selftests/bpf/benchs/run_bench_trigger.sh
@@ -0,0 +1,9 @@
+#!/bin/bash
+
+set -eufo pipefail
+
+for i in base tp rawtp kprobe fentry fmodret
+do
+	summary=$(sudo ./bench -w2 -d5 -a trig-$i | tail -n1 | cut -d'(' -f1 | cut -d' ' -f3-)
+	printf "%-10s: %s\n" $i "$summary"
+done
diff --git a/tools/testing/selftests/bpf/benchs/run_common.sh b/tools/testing/selftests/bpf/benchs/run_common.sh
new file mode 100644
index 000000000..d9f40af82
--- /dev/null
+++ b/tools/testing/selftests/bpf/benchs/run_common.sh
@@ -0,0 +1,92 @@
+#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
+
+RUN_BENCH="sudo ./bench -w3 -d10 -a"
+
+function header()
+{
+	local len=${#1}
+
+	printf "\n%s\n" "$1"
+	for i in $(seq 1 $len); do printf '='; done
+	printf '\n'
+}
+
+function subtitle()
+{
+	local len=${#1}
+	printf "\t%s\n" "$1"
+}
+
+function hits()
+{
+	echo "$*" | sed -E "s/.*hits\s+([0-9]+\.[0-9]+ ± [0-9]+\.[0-9]+M\/s).*/\1/"
+}
+
+function drops()
+{
+	echo "$*" | sed -E "s/.*drops\s+([0-9]+\.[0-9]+ ± [0-9]+\.[0-9]+M\/s).*/\1/"
+}
+
+function percentage()
+{
+	echo "$*" | sed -E "s/.*Percentage\s=\s+([0-9]+\.[0-9]+).*/\1/"
+}
+
+function ops()
+{
+	echo -n "throughput: "
+	echo -n "$*" | sed -E "s/.*throughput\s+([0-9]+\.[0-9]+ ± [0-9]+\.[0-9]+\sM\sops\/s).*/\1/"
+	echo -n -e ", latency: "
+	echo "$*" | sed -E "s/.*latency\s+([0-9]+\.[0-9]+\sns\/op).*/\1/"
+}
+
+function local_storage()
+{
+	echo -n "hits throughput: "
+	echo -n "$*" | sed -E "s/.* hits throughput\s+([0-9]+\.[0-9]+ ± [0-9]+\.[0-9]+\sM\sops\/s).*/\1/"
+	echo -n -e ", hits latency: "
+	echo -n "$*" | sed -E "s/.* hits latency\s+([0-9]+\.[0-9]+\sns\/op).*/\1/"
+	echo -n ", important_hits throughput: "
+	echo "$*" | sed -E "s/.*important_hits throughput\s+([0-9]+\.[0-9]+ ± [0-9]+\.[0-9]+\sM\sops\/s).*/\1/"
+}
+
+function total()
+{
+	echo "$*" | sed -E "s/.*total operations\s+([0-9]+\.[0-9]+ ± [0-9]+\.[0-9]+M\/s).*/\1/"
+}
+
+function summarize()
+{
+	bench="$1"
+	summary=$(echo $2 | tail -n1)
+	printf "%-20s %s (drops %s)\n" "$bench" "$(hits $summary)" "$(drops $summary)"
+}
+
+function summarize_percentage()
+{
+	bench="$1"
+	summary=$(echo $2 | tail -n1)
+	printf "%-20s %s%%\n" "$bench" "$(percentage $summary)"
+}
+
+function summarize_ops()
+{
+	bench="$1"
+	summary=$(echo $2 | tail -n1)
+	printf "%-20s %s\n" "$bench" "$(ops $summary)"
+}
+
+function summarize_local_storage()
+{
+	bench="$1"
+	summary=$(echo $2 | tail -n1)
+	printf "%-20s %s\n" "$bench" "$(local_storage $summary)"
+}
+
+function summarize_total()
+{
+	bench="$1"
+	summary=$(echo $2 | tail -n1)
+	printf "%-20s %s\n" "$bench" "$(total $summary)"
+}
diff --git a/tools/testing/selftests/bpf/bpf_legacy.h b/tools/testing/selftests/bpf/bpf_legacy.h
new file mode 100644
index 000000000..845209581
--- /dev/null
+++ b/tools/testing/selftests/bpf/bpf_legacy.h
@@ -0,0 +1,16 @@
+/* SPDX-License-Identifier: (LGPL-2.1 OR BSD-2-Clause) */
+#ifndef __BPF_LEGACY__
+#define __BPF_LEGACY__
+
+/* llvm builtin functions that eBPF C program may use to
+ * emit BPF_LD_ABS and BPF_LD_IND instructions
+ */
+unsigned long long load_byte(void *skb,
+			     unsigned long long off) asm("llvm.bpf.load.byte");
+unsigned long long load_half(void *skb,
+			     unsigned long long off) asm("llvm.bpf.load.half");
+unsigned long long load_word(void *skb,
+			     unsigned long long off) asm("llvm.bpf.load.word");
+
+#endif
+
diff --git a/tools/testing/selftests/bpf/bpf_rand.h b/tools/testing/selftests/bpf/bpf_rand.h
new file mode 100644
index 000000000..59bf3e1a9
--- /dev/null
+++ b/tools/testing/selftests/bpf/bpf_rand.h
@@ -0,0 +1,80 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef __BPF_RAND__
+#define __BPF_RAND__
+
+#include <stdint.h>
+#include <stdlib.h>
+#include <time.h>
+
+static inline uint64_t bpf_rand_mask(uint64_t mask)
+{
+	return (((uint64_t)(uint32_t)rand()) |
+	        ((uint64_t)(uint32_t)rand() << 32)) & mask;
+}
+
+#define bpf_rand_ux(x, m)			\
+static inline uint64_t bpf_rand_u##x(int shift)	\
+{						\
+	return bpf_rand_mask((m)) << shift;	\
+}
+
+bpf_rand_ux( 8,               0xffULL)
+bpf_rand_ux(16,             0xffffULL)
+bpf_rand_ux(24,           0xffffffULL)
+bpf_rand_ux(32,         0xffffffffULL)
+bpf_rand_ux(40,       0xffffffffffULL)
+bpf_rand_ux(48,     0xffffffffffffULL)
+bpf_rand_ux(56,   0xffffffffffffffULL)
+bpf_rand_ux(64, 0xffffffffffffffffULL)
+
+static inline void bpf_semi_rand_init(void)
+{
+	srand(time(NULL));
+}
+
+static inline uint64_t bpf_semi_rand_get(void)
+{
+	switch (rand() % 39) {
+	case  0: return 0x000000ff00000000ULL | bpf_rand_u8(0);
+	case  1: return 0xffffffff00000000ULL | bpf_rand_u16(0);
+	case  2: return 0x00000000ffff0000ULL | bpf_rand_u16(0);
+	case  3: return 0x8000000000000000ULL | bpf_rand_u32(0);
+	case  4: return 0x00000000f0000000ULL | bpf_rand_u32(0);
+	case  5: return 0x0000000100000000ULL | bpf_rand_u24(0);
+	case  6: return 0x800ff00000000000ULL | bpf_rand_u32(0);
+	case  7: return 0x7fffffff00000000ULL | bpf_rand_u32(0);
+	case  8: return 0xffffffffffffff00ULL ^ bpf_rand_u32(24);
+	case  9: return 0xffffffffffffff00ULL | bpf_rand_u8(0);
+	case 10: return 0x0000000010000000ULL | bpf_rand_u32(0);
+	case 11: return 0xf000000000000000ULL | bpf_rand_u8(0);
+	case 12: return 0x0000f00000000000ULL | bpf_rand_u8(8);
+	case 13: return 0x000000000f000000ULL | bpf_rand_u8(16);
+	case 14: return 0x0000000000000f00ULL | bpf_rand_u8(32);
+	case 15: return 0x00fff00000000f00ULL | bpf_rand_u8(48);
+	case 16: return 0x00007fffffffffffULL ^ bpf_rand_u32(1);
+	case 17: return 0xffff800000000000ULL | bpf_rand_u8(4);
+	case 18: return 0xffff800000000000ULL | bpf_rand_u8(20);
+	case 19: return (0xffffffc000000000ULL + 0x80000ULL) | bpf_rand_u32(0);
+	case 20: return (0xffffffc000000000ULL - 0x04000000ULL) | bpf_rand_u32(0);
+	case 21: return 0x0000000000000000ULL | bpf_rand_u8(55) | bpf_rand_u32(20);
+	case 22: return 0xffffffffffffffffULL ^ bpf_rand_u8(3) ^ bpf_rand_u32(40);
+	case 23: return 0x0000000000000000ULL | bpf_rand_u8(bpf_rand_u8(0) % 64);
+	case 24: return 0x0000000000000000ULL | bpf_rand_u16(bpf_rand_u8(0) % 64);
+	case 25: return 0xffffffffffffffffULL ^ bpf_rand_u8(bpf_rand_u8(0) % 64);
+	case 26: return 0xffffffffffffffffULL ^ bpf_rand_u40(bpf_rand_u8(0) % 64);
+	case 27: return 0x0000800000000000ULL;
+	case 28: return 0x8000000000000000ULL;
+	case 29: return 0x0000000000000000ULL;
+	case 30: return 0xffffffffffffffffULL;
+	case 31: return bpf_rand_u16(bpf_rand_u8(0) % 64);
+	case 32: return bpf_rand_u24(bpf_rand_u8(0) % 64);
+	case 33: return bpf_rand_u32(bpf_rand_u8(0) % 64);
+	case 34: return bpf_rand_u40(bpf_rand_u8(0) % 64);
+	case 35: return bpf_rand_u48(bpf_rand_u8(0) % 64);
+	case 36: return bpf_rand_u56(bpf_rand_u8(0) % 64);
+	case 37: return bpf_rand_u64(bpf_rand_u8(0) % 64);
+	default: return bpf_rand_u64(0);
+	}
+}
+
+#endif /* __BPF_RAND__ */
diff --git a/tools/testing/selftests/bpf/bpf_sockopt_helpers.h b/tools/testing/selftests/bpf/bpf_sockopt_helpers.h
new file mode 100644
index 000000000..11f3a0976
--- /dev/null
+++ b/tools/testing/selftests/bpf/bpf_sockopt_helpers.h
@@ -0,0 +1,21 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+
+#include <sys/socket.h>
+#include <bpf/bpf_helpers.h>
+
+int get_set_sk_priority(void *ctx)
+{
+	int prio;
+
+	/* Verify that context allows calling bpf_getsockopt and
+	 * bpf_setsockopt by reading and writing back socket
+	 * priority.
+	 */
+
+	if (bpf_getsockopt(ctx, SOL_SOCKET, SO_PRIORITY, &prio, sizeof(prio)))
+		return 0;
+	if (bpf_setsockopt(ctx, SOL_SOCKET, SO_PRIORITY, &prio, sizeof(prio)))
+		return 0;
+
+	return 1;
+}
diff --git a/tools/testing/selftests/bpf/bpf_tcp_helpers.h b/tools/testing/selftests/bpf/bpf_tcp_helpers.h
new file mode 100644
index 000000000..82a7c9de9
--- /dev/null
+++ b/tools/testing/selftests/bpf/bpf_tcp_helpers.h
@@ -0,0 +1,241 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef __BPF_TCP_HELPERS_H
+#define __BPF_TCP_HELPERS_H
+
+#include <stdbool.h>
+#include <linux/types.h>
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_core_read.h>
+#include <bpf/bpf_tracing.h>
+
+#define BPF_STRUCT_OPS(name, args...) \
+SEC("struct_ops/"#name) \
+BPF_PROG(name, args)
+
+#ifndef SOL_TCP
+#define SOL_TCP 6
+#endif
+
+#ifndef TCP_CA_NAME_MAX
+#define TCP_CA_NAME_MAX	16
+#endif
+
+#define tcp_jiffies32 ((__u32)bpf_jiffies64())
+
+struct sock_common {
+	unsigned char	skc_state;
+	__u16		skc_num;
+} __attribute__((preserve_access_index));
+
+enum sk_pacing {
+	SK_PACING_NONE		= 0,
+	SK_PACING_NEEDED	= 1,
+	SK_PACING_FQ		= 2,
+};
+
+struct sock {
+	struct sock_common	__sk_common;
+#define sk_state		__sk_common.skc_state
+	unsigned long		sk_pacing_rate;
+	__u32			sk_pacing_status; /* see enum sk_pacing */
+} __attribute__((preserve_access_index));
+
+struct inet_sock {
+	struct sock		sk;
+} __attribute__((preserve_access_index));
+
+struct inet_connection_sock {
+	struct inet_sock	  icsk_inet;
+	__u8			  icsk_ca_state:6,
+				  icsk_ca_setsockopt:1,
+				  icsk_ca_dst_locked:1;
+	struct {
+		__u8		  pending;
+	} icsk_ack;
+	__u64			  icsk_ca_priv[104 / sizeof(__u64)];
+} __attribute__((preserve_access_index));
+
+struct request_sock {
+	struct sock_common		__req_common;
+} __attribute__((preserve_access_index));
+
+struct tcp_sock {
+	struct inet_connection_sock	inet_conn;
+
+	__u32	rcv_nxt;
+	__u32	snd_nxt;
+	__u32	snd_una;
+	__u32	window_clamp;
+	__u8	ecn_flags;
+	__u32	delivered;
+	__u32	delivered_ce;
+	__u32	snd_cwnd;
+	__u32	snd_cwnd_cnt;
+	__u32	snd_cwnd_clamp;
+	__u32	snd_ssthresh;
+	__u8	syn_data:1,	/* SYN includes data */
+		syn_fastopen:1,	/* SYN includes Fast Open option */
+		syn_fastopen_exp:1,/* SYN includes Fast Open exp. option */
+		syn_fastopen_ch:1, /* Active TFO re-enabling probe */
+		syn_data_acked:1,/* data in SYN is acked by SYN-ACK */
+		save_syn:1,	/* Save headers of SYN packet */
+		is_cwnd_limited:1,/* forward progress limited by snd_cwnd? */
+		syn_smc:1;	/* SYN includes SMC */
+	__u32	max_packets_out;
+	__u32	lsndtime;
+	__u32	prior_cwnd;
+	__u64	tcp_mstamp;	/* most recent packet received/sent */
+	bool	is_mptcp;
+} __attribute__((preserve_access_index));
+
+static __always_inline struct inet_connection_sock *inet_csk(const struct sock *sk)
+{
+	return (struct inet_connection_sock *)sk;
+}
+
+static __always_inline void *inet_csk_ca(const struct sock *sk)
+{
+	return (void *)inet_csk(sk)->icsk_ca_priv;
+}
+
+static __always_inline struct tcp_sock *tcp_sk(const struct sock *sk)
+{
+	return (struct tcp_sock *)sk;
+}
+
+static __always_inline bool before(__u32 seq1, __u32 seq2)
+{
+	return (__s32)(seq1-seq2) < 0;
+}
+#define after(seq2, seq1) 	before(seq1, seq2)
+
+#define	TCP_ECN_OK		1
+#define	TCP_ECN_QUEUE_CWR	2
+#define	TCP_ECN_DEMAND_CWR	4
+#define	TCP_ECN_SEEN		8
+
+enum inet_csk_ack_state_t {
+	ICSK_ACK_SCHED	= 1,
+	ICSK_ACK_TIMER  = 2,
+	ICSK_ACK_PUSHED = 4,
+	ICSK_ACK_PUSHED2 = 8,
+	ICSK_ACK_NOW = 16	/* Send the next ACK immediately (once) */
+};
+
+enum tcp_ca_event {
+	CA_EVENT_TX_START = 0,
+	CA_EVENT_CWND_RESTART = 1,
+	CA_EVENT_COMPLETE_CWR = 2,
+	CA_EVENT_LOSS = 3,
+	CA_EVENT_ECN_NO_CE = 4,
+	CA_EVENT_ECN_IS_CE = 5,
+};
+
+struct ack_sample {
+	__u32 pkts_acked;
+	__s32 rtt_us;
+	__u32 in_flight;
+} __attribute__((preserve_access_index));
+
+struct rate_sample {
+	__u64  prior_mstamp; /* starting timestamp for interval */
+	__u32  prior_delivered;	/* tp->delivered at "prior_mstamp" */
+	__s32  delivered;		/* number of packets delivered over interval */
+	long interval_us;	/* time for tp->delivered to incr "delivered" */
+	__u32 snd_interval_us;	/* snd interval for delivered packets */
+	__u32 rcv_interval_us;	/* rcv interval for delivered packets */
+	long rtt_us;		/* RTT of last (S)ACKed packet (or -1) */
+	int  losses;		/* number of packets marked lost upon ACK */
+	__u32  acked_sacked;	/* number of packets newly (S)ACKed upon ACK */
+	__u32  prior_in_flight;	/* in flight before this ACK */
+	bool is_app_limited;	/* is sample from packet with bubble in pipe? */
+	bool is_retrans;	/* is sample from retransmission? */
+	bool is_ack_delayed;	/* is this (likely) a delayed ACK? */
+} __attribute__((preserve_access_index));
+
+#define TCP_CA_NAME_MAX		16
+#define TCP_CONG_NEEDS_ECN	0x2
+
+struct tcp_congestion_ops {
+	char name[TCP_CA_NAME_MAX];
+	__u32 flags;
+
+	/* initialize private data (optional) */
+	void (*init)(struct sock *sk);
+	/* cleanup private data  (optional) */
+	void (*release)(struct sock *sk);
+
+	/* return slow start threshold (required) */
+	__u32 (*ssthresh)(struct sock *sk);
+	/* do new cwnd calculation (required) */
+	void (*cong_avoid)(struct sock *sk, __u32 ack, __u32 acked);
+	/* call before changing ca_state (optional) */
+	void (*set_state)(struct sock *sk, __u8 new_state);
+	/* call when cwnd event occurs (optional) */
+	void (*cwnd_event)(struct sock *sk, enum tcp_ca_event ev);
+	/* call when ack arrives (optional) */
+	void (*in_ack_event)(struct sock *sk, __u32 flags);
+	/* new value of cwnd after loss (required) */
+	__u32  (*undo_cwnd)(struct sock *sk);
+	/* hook for packet ack accounting (optional) */
+	void (*pkts_acked)(struct sock *sk, const struct ack_sample *sample);
+	/* override sysctl_tcp_min_tso_segs */
+	__u32 (*min_tso_segs)(struct sock *sk);
+	/* returns the multiplier used in tcp_sndbuf_expand (optional) */
+	__u32 (*sndbuf_expand)(struct sock *sk);
+	/* call when packets are delivered to update cwnd and pacing rate,
+	 * after all the ca_state processing. (optional)
+	 */
+	void (*cong_control)(struct sock *sk, const struct rate_sample *rs);
+	void *owner;
+};
+
+#define min(a, b) ((a) < (b) ? (a) : (b))
+#define max(a, b) ((a) > (b) ? (a) : (b))
+#define min_not_zero(x, y) ({			\
+	typeof(x) __x = (x);			\
+	typeof(y) __y = (y);			\
+	__x == 0 ? __y : ((__y == 0) ? __x : min(__x, __y)); })
+
+static __always_inline bool tcp_in_slow_start(const struct tcp_sock *tp)
+{
+	return tp->snd_cwnd < tp->snd_ssthresh;
+}
+
+static __always_inline bool tcp_is_cwnd_limited(const struct sock *sk)
+{
+	const struct tcp_sock *tp = tcp_sk(sk);
+
+	/* If in slow start, ensure cwnd grows to twice what was ACKed. */
+	if (tcp_in_slow_start(tp))
+		return tp->snd_cwnd < 2 * tp->max_packets_out;
+
+	return !!BPF_CORE_READ_BITFIELD(tp, is_cwnd_limited);
+}
+
+static __always_inline bool tcp_cc_eq(const char *a, const char *b)
+{
+	int i;
+
+	for (i = 0; i < TCP_CA_NAME_MAX; i++) {
+		if (a[i] != b[i])
+			return false;
+		if (!a[i])
+			break;
+	}
+
+	return true;
+}
+
+extern __u32 tcp_slow_start(struct tcp_sock *tp, __u32 acked) __ksym;
+extern void tcp_cong_avoid_ai(struct tcp_sock *tp, __u32 w, __u32 acked) __ksym;
+
+struct mptcp_sock {
+	struct inet_connection_sock	sk;
+
+	__u32		token;
+	struct sock	*first;
+	char		ca_name[TCP_CA_NAME_MAX];
+} __attribute__((preserve_access_index));
+
+#endif
diff --git a/tools/testing/selftests/bpf/bpf_testmod/.gitignore b/tools/testing/selftests/bpf/bpf_testmod/.gitignore
new file mode 100644
index 000000000..ded513777
--- /dev/null
+++ b/tools/testing/selftests/bpf/bpf_testmod/.gitignore
@@ -0,0 +1,6 @@
+*.mod
+*.mod.c
+*.o
+.ko
+/Module.symvers
+/modules.order
diff --git a/tools/testing/selftests/bpf/bpf_testmod/Makefile b/tools/testing/selftests/bpf/bpf_testmod/Makefile
new file mode 100644
index 000000000..15cb36c44
--- /dev/null
+++ b/tools/testing/selftests/bpf/bpf_testmod/Makefile
@@ -0,0 +1,20 @@
+BPF_TESTMOD_DIR := $(realpath $(dir $(abspath $(lastword $(MAKEFILE_LIST)))))
+KDIR ?= $(abspath $(BPF_TESTMOD_DIR)/../../../../..)
+
+ifeq ($(V),1)
+Q =
+else
+Q = @
+endif
+
+MODULES = bpf_testmod.ko
+
+obj-m += bpf_testmod.o
+CFLAGS_bpf_testmod.o = -I$(src)
+
+all:
+	+$(Q)make -C $(KDIR) M=$(BPF_TESTMOD_DIR) modules
+
+clean:
+	+$(Q)make -C $(KDIR) M=$(BPF_TESTMOD_DIR) clean
+
diff --git a/tools/testing/selftests/bpf/bpf_testmod/bpf_testmod-events.h b/tools/testing/selftests/bpf/bpf_testmod/bpf_testmod-events.h
new file mode 100644
index 000000000..11ee801e7
--- /dev/null
+++ b/tools/testing/selftests/bpf/bpf_testmod/bpf_testmod-events.h
@@ -0,0 +1,57 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* Copyright (c) 2020 Facebook */
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM bpf_testmod
+
+#if !defined(_BPF_TESTMOD_EVENTS_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _BPF_TESTMOD_EVENTS_H
+
+#include <linux/tracepoint.h>
+#include "bpf_testmod.h"
+
+TRACE_EVENT(bpf_testmod_test_read,
+	TP_PROTO(struct task_struct *task, struct bpf_testmod_test_read_ctx *ctx),
+	TP_ARGS(task, ctx),
+	TP_STRUCT__entry(
+		__field(pid_t, pid)
+		__array(char, comm, TASK_COMM_LEN)
+		__field(loff_t, off)
+		__field(size_t, len)
+	),
+	TP_fast_assign(
+		__entry->pid = task->pid;
+		memcpy(__entry->comm, task->comm, TASK_COMM_LEN);
+		__entry->off = ctx->off;
+		__entry->len = ctx->len;
+	),
+	TP_printk("pid=%d comm=%s off=%llu len=%zu",
+		  __entry->pid, __entry->comm, __entry->off, __entry->len)
+);
+
+/* A bare tracepoint with no event associated with it */
+DECLARE_TRACE(bpf_testmod_test_write_bare,
+	TP_PROTO(struct task_struct *task, struct bpf_testmod_test_write_ctx *ctx),
+	TP_ARGS(task, ctx)
+);
+
+#undef BPF_TESTMOD_DECLARE_TRACE
+#ifdef DECLARE_TRACE_WRITABLE
+#define BPF_TESTMOD_DECLARE_TRACE(call, proto, args, size) \
+	DECLARE_TRACE_WRITABLE(call, PARAMS(proto), PARAMS(args), size)
+#else
+#define BPF_TESTMOD_DECLARE_TRACE(call, proto, args, size) \
+	DECLARE_TRACE(call, PARAMS(proto), PARAMS(args))
+#endif
+
+BPF_TESTMOD_DECLARE_TRACE(bpf_testmod_test_writable_bare,
+	TP_PROTO(struct bpf_testmod_test_writable_ctx *ctx),
+	TP_ARGS(ctx),
+	sizeof(struct bpf_testmod_test_writable_ctx)
+);
+
+#endif /* _BPF_TESTMOD_EVENTS_H */
+
+#undef TRACE_INCLUDE_PATH
+#define TRACE_INCLUDE_PATH .
+#define TRACE_INCLUDE_FILE bpf_testmod-events
+#include <trace/define_trace.h>
diff --git a/tools/testing/selftests/bpf/bpf_testmod/bpf_testmod.c b/tools/testing/selftests/bpf/bpf_testmod/bpf_testmod.c
new file mode 100644
index 000000000..a6021d611
--- /dev/null
+++ b/tools/testing/selftests/bpf/bpf_testmod/bpf_testmod.c
@@ -0,0 +1,232 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2020 Facebook */
+#include <linux/btf.h>
+#include <linux/btf_ids.h>
+#include <linux/error-injection.h>
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/percpu-defs.h>
+#include <linux/sysfs.h>
+#include <linux/tracepoint.h>
+#include "bpf_testmod.h"
+
+#define CREATE_TRACE_POINTS
+#include "bpf_testmod-events.h"
+
+typedef int (*func_proto_typedef)(long);
+typedef int (*func_proto_typedef_nested1)(func_proto_typedef);
+typedef int (*func_proto_typedef_nested2)(func_proto_typedef_nested1);
+
+DEFINE_PER_CPU(int, bpf_testmod_ksym_percpu) = 123;
+long bpf_testmod_test_struct_arg_result;
+
+struct bpf_testmod_struct_arg_1 {
+	int a;
+};
+struct bpf_testmod_struct_arg_2 {
+	long a;
+	long b;
+};
+
+noinline int
+bpf_testmod_test_struct_arg_1(struct bpf_testmod_struct_arg_2 a, int b, int c) {
+	bpf_testmod_test_struct_arg_result = a.a + a.b  + b + c;
+	return bpf_testmod_test_struct_arg_result;
+}
+
+noinline int
+bpf_testmod_test_struct_arg_2(int a, struct bpf_testmod_struct_arg_2 b, int c) {
+	bpf_testmod_test_struct_arg_result = a + b.a + b.b + c;
+	return bpf_testmod_test_struct_arg_result;
+}
+
+noinline int
+bpf_testmod_test_struct_arg_3(int a, int b, struct bpf_testmod_struct_arg_2 c) {
+	bpf_testmod_test_struct_arg_result = a + b + c.a + c.b;
+	return bpf_testmod_test_struct_arg_result;
+}
+
+noinline int
+bpf_testmod_test_struct_arg_4(struct bpf_testmod_struct_arg_1 a, int b,
+			      int c, int d, struct bpf_testmod_struct_arg_2 e) {
+	bpf_testmod_test_struct_arg_result = a.a + b + c + d + e.a + e.b;
+	return bpf_testmod_test_struct_arg_result;
+}
+
+noinline int
+bpf_testmod_test_struct_arg_5(void) {
+	bpf_testmod_test_struct_arg_result = 1;
+	return bpf_testmod_test_struct_arg_result;
+}
+
+noinline void
+bpf_testmod_test_mod_kfunc(int i)
+{
+	*(int *)this_cpu_ptr(&bpf_testmod_ksym_percpu) = i;
+}
+
+struct bpf_testmod_btf_type_tag_1 {
+	int a;
+};
+
+struct bpf_testmod_btf_type_tag_2 {
+	struct bpf_testmod_btf_type_tag_1 __user *p;
+};
+
+struct bpf_testmod_btf_type_tag_3 {
+	struct bpf_testmod_btf_type_tag_1 __percpu *p;
+};
+
+noinline int
+bpf_testmod_test_btf_type_tag_user_1(struct bpf_testmod_btf_type_tag_1 __user *arg) {
+	BTF_TYPE_EMIT(func_proto_typedef);
+	BTF_TYPE_EMIT(func_proto_typedef_nested1);
+	BTF_TYPE_EMIT(func_proto_typedef_nested2);
+	return arg->a;
+}
+
+noinline int
+bpf_testmod_test_btf_type_tag_user_2(struct bpf_testmod_btf_type_tag_2 *arg) {
+	return arg->p->a;
+}
+
+noinline int
+bpf_testmod_test_btf_type_tag_percpu_1(struct bpf_testmod_btf_type_tag_1 __percpu *arg) {
+	return arg->a;
+}
+
+noinline int
+bpf_testmod_test_btf_type_tag_percpu_2(struct bpf_testmod_btf_type_tag_3 *arg) {
+	return arg->p->a;
+}
+
+noinline int bpf_testmod_loop_test(int n)
+{
+	int i, sum = 0;
+
+	/* the primary goal of this test is to test LBR. Create a lot of
+	 * branches in the function, so we can catch it easily.
+	 */
+	for (i = 0; i < n; i++)
+		sum += i;
+	return sum;
+}
+
+__weak noinline struct file *bpf_testmod_return_ptr(int arg)
+{
+	static struct file f = {};
+
+	switch (arg) {
+	case 1: return (void *)EINVAL;		/* user addr */
+	case 2: return (void *)0xcafe4a11;	/* user addr */
+	case 3: return (void *)-EINVAL;		/* canonical, but invalid */
+	case 4: return (void *)(1ull << 60);	/* non-canonical and invalid */
+	case 5: return (void *)~(1ull << 30);	/* trigger extable */
+	case 6: return &f;			/* valid addr */
+	case 7: return (void *)((long)&f | 1);	/* kernel tricks */
+	default: return NULL;
+	}
+}
+
+noinline ssize_t
+bpf_testmod_test_read(struct file *file, struct kobject *kobj,
+		      struct bin_attribute *bin_attr,
+		      char *buf, loff_t off, size_t len)
+{
+	struct bpf_testmod_test_read_ctx ctx = {
+		.buf = buf,
+		.off = off,
+		.len = len,
+	};
+	struct bpf_testmod_struct_arg_1 struct_arg1 = {10};
+	struct bpf_testmod_struct_arg_2 struct_arg2 = {2, 3};
+	int i = 1;
+
+	while (bpf_testmod_return_ptr(i))
+		i++;
+
+	(void)bpf_testmod_test_struct_arg_1(struct_arg2, 1, 4);
+	(void)bpf_testmod_test_struct_arg_2(1, struct_arg2, 4);
+	(void)bpf_testmod_test_struct_arg_3(1, 4, struct_arg2);
+	(void)bpf_testmod_test_struct_arg_4(struct_arg1, 1, 2, 3, struct_arg2);
+	(void)bpf_testmod_test_struct_arg_5();
+
+	/* This is always true. Use the check to make sure the compiler
+	 * doesn't remove bpf_testmod_loop_test.
+	 */
+	if (bpf_testmod_loop_test(101) > 100)
+		trace_bpf_testmod_test_read(current, &ctx);
+
+	/* Magic number to enable writable tp */
+	if (len == 64) {
+		struct bpf_testmod_test_writable_ctx writable = {
+			.val = 1024,
+		};
+		trace_bpf_testmod_test_writable_bare(&writable);
+		if (writable.early_ret)
+			return snprintf(buf, len, "%d\n", writable.val);
+	}
+
+	return -EIO; /* always fail */
+}
+EXPORT_SYMBOL(bpf_testmod_test_read);
+ALLOW_ERROR_INJECTION(bpf_testmod_test_read, ERRNO);
+
+noinline ssize_t
+bpf_testmod_test_write(struct file *file, struct kobject *kobj,
+		      struct bin_attribute *bin_attr,
+		      char *buf, loff_t off, size_t len)
+{
+	struct bpf_testmod_test_write_ctx ctx = {
+		.buf = buf,
+		.off = off,
+		.len = len,
+	};
+
+	trace_bpf_testmod_test_write_bare(current, &ctx);
+
+	return -EIO; /* always fail */
+}
+EXPORT_SYMBOL(bpf_testmod_test_write);
+ALLOW_ERROR_INJECTION(bpf_testmod_test_write, ERRNO);
+
+static struct bin_attribute bin_attr_bpf_testmod_file __ro_after_init = {
+	.attr = { .name = "bpf_testmod", .mode = 0666, },
+	.read = bpf_testmod_test_read,
+	.write = bpf_testmod_test_write,
+};
+
+BTF_SET8_START(bpf_testmod_check_kfunc_ids)
+BTF_ID_FLAGS(func, bpf_testmod_test_mod_kfunc)
+BTF_SET8_END(bpf_testmod_check_kfunc_ids)
+
+static const struct btf_kfunc_id_set bpf_testmod_kfunc_set = {
+	.owner = THIS_MODULE,
+	.set   = &bpf_testmod_check_kfunc_ids,
+};
+
+extern int bpf_fentry_test1(int a);
+
+static int bpf_testmod_init(void)
+{
+	int ret;
+
+	ret = register_btf_kfunc_id_set(BPF_PROG_TYPE_SCHED_CLS, &bpf_testmod_kfunc_set);
+	if (ret < 0)
+		return ret;
+	if (bpf_fentry_test1(0) < 0)
+		return -EINVAL;
+	return sysfs_create_bin_file(kernel_kobj, &bin_attr_bpf_testmod_file);
+}
+
+static void bpf_testmod_exit(void)
+{
+	return sysfs_remove_bin_file(kernel_kobj, &bin_attr_bpf_testmod_file);
+}
+
+module_init(bpf_testmod_init);
+module_exit(bpf_testmod_exit);
+
+MODULE_AUTHOR("Andrii Nakryiko");
+MODULE_DESCRIPTION("BPF selftests module");
+MODULE_LICENSE("Dual BSD/GPL");
diff --git a/tools/testing/selftests/bpf/bpf_testmod/bpf_testmod.h b/tools/testing/selftests/bpf/bpf_testmod/bpf_testmod.h
new file mode 100644
index 000000000..0d71e2607
--- /dev/null
+++ b/tools/testing/selftests/bpf/bpf_testmod/bpf_testmod.h
@@ -0,0 +1,25 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* Copyright (c) 2020 Facebook */
+#ifndef _BPF_TESTMOD_H
+#define _BPF_TESTMOD_H
+
+#include <linux/types.h>
+
+struct bpf_testmod_test_read_ctx {
+	char *buf;
+	loff_t off;
+	size_t len;
+};
+
+struct bpf_testmod_test_write_ctx {
+	char *buf;
+	loff_t off;
+	size_t len;
+};
+
+struct bpf_testmod_test_writable_ctx {
+	bool early_ret;
+	int val;
+};
+
+#endif /* _BPF_TESTMOD_H */
diff --git a/tools/testing/selftests/bpf/bpf_util.h b/tools/testing/selftests/bpf/bpf_util.h
new file mode 100644
index 000000000..a3352a64c
--- /dev/null
+++ b/tools/testing/selftests/bpf/bpf_util.h
@@ -0,0 +1,43 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef __BPF_UTIL__
+#define __BPF_UTIL__
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <errno.h>
+#include <bpf/libbpf.h> /* libbpf_num_possible_cpus */
+
+static inline unsigned int bpf_num_possible_cpus(void)
+{
+	int possible_cpus = libbpf_num_possible_cpus();
+
+	if (possible_cpus < 0) {
+		printf("Failed to get # of possible cpus: '%s'!\n",
+		       strerror(-possible_cpus));
+		exit(1);
+	}
+	return possible_cpus;
+}
+
+#define __bpf_percpu_val_align	__attribute__((__aligned__(8)))
+
+#define BPF_DECLARE_PERCPU(type, name)				\
+	struct { type v; /* padding */ } __bpf_percpu_val_align	\
+		name[bpf_num_possible_cpus()]
+#define bpf_percpu(name, cpu) name[(cpu)].v
+
+#ifndef ARRAY_SIZE
+# define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
+#endif
+
+#ifndef sizeof_field
+#define sizeof_field(TYPE, MEMBER) sizeof((((TYPE *)0)->MEMBER))
+#endif
+
+#ifndef offsetofend
+#define offsetofend(TYPE, MEMBER) \
+	(offsetof(TYPE, MEMBER)	+ sizeof_field(TYPE, MEMBER))
+#endif
+
+#endif /* __BPF_UTIL__ */
diff --git a/tools/testing/selftests/bpf/btf_helpers.c b/tools/testing/selftests/bpf/btf_helpers.c
new file mode 100644
index 000000000..1c1c2c266
--- /dev/null
+++ b/tools/testing/selftests/bpf/btf_helpers.c
@@ -0,0 +1,292 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2020 Facebook */
+#include <stdio.h>
+#include <errno.h>
+#include <bpf/btf.h>
+#include <bpf/libbpf.h>
+#include "test_progs.h"
+
+static const char * const btf_kind_str_mapping[] = {
+	[BTF_KIND_UNKN]		= "UNKNOWN",
+	[BTF_KIND_INT]		= "INT",
+	[BTF_KIND_PTR]		= "PTR",
+	[BTF_KIND_ARRAY]	= "ARRAY",
+	[BTF_KIND_STRUCT]	= "STRUCT",
+	[BTF_KIND_UNION]	= "UNION",
+	[BTF_KIND_ENUM]		= "ENUM",
+	[BTF_KIND_FWD]		= "FWD",
+	[BTF_KIND_TYPEDEF]	= "TYPEDEF",
+	[BTF_KIND_VOLATILE]	= "VOLATILE",
+	[BTF_KIND_CONST]	= "CONST",
+	[BTF_KIND_RESTRICT]	= "RESTRICT",
+	[BTF_KIND_FUNC]		= "FUNC",
+	[BTF_KIND_FUNC_PROTO]	= "FUNC_PROTO",
+	[BTF_KIND_VAR]		= "VAR",
+	[BTF_KIND_DATASEC]	= "DATASEC",
+	[BTF_KIND_FLOAT]	= "FLOAT",
+	[BTF_KIND_DECL_TAG]	= "DECL_TAG",
+	[BTF_KIND_TYPE_TAG]	= "TYPE_TAG",
+	[BTF_KIND_ENUM64]	= "ENUM64",
+};
+
+static const char *btf_kind_str(__u16 kind)
+{
+	if (kind > BTF_KIND_ENUM64)
+		return "UNKNOWN";
+	return btf_kind_str_mapping[kind];
+}
+
+static const char *btf_int_enc_str(__u8 encoding)
+{
+	switch (encoding) {
+	case 0:
+		return "(none)";
+	case BTF_INT_SIGNED:
+		return "SIGNED";
+	case BTF_INT_CHAR:
+		return "CHAR";
+	case BTF_INT_BOOL:
+		return "BOOL";
+	default:
+		return "UNKN";
+	}
+}
+
+static const char *btf_var_linkage_str(__u32 linkage)
+{
+	switch (linkage) {
+	case BTF_VAR_STATIC:
+		return "static";
+	case BTF_VAR_GLOBAL_ALLOCATED:
+		return "global-alloc";
+	default:
+		return "(unknown)";
+	}
+}
+
+static const char *btf_func_linkage_str(const struct btf_type *t)
+{
+	switch (btf_vlen(t)) {
+	case BTF_FUNC_STATIC:
+		return "static";
+	case BTF_FUNC_GLOBAL:
+		return "global";
+	case BTF_FUNC_EXTERN:
+		return "extern";
+	default:
+		return "(unknown)";
+	}
+}
+
+static const char *btf_str(const struct btf *btf, __u32 off)
+{
+	if (!off)
+		return "(anon)";
+	return btf__str_by_offset(btf, off) ?: "(invalid)";
+}
+
+int fprintf_btf_type_raw(FILE *out, const struct btf *btf, __u32 id)
+{
+	const struct btf_type *t;
+	int kind, i;
+	__u32 vlen;
+
+	t = btf__type_by_id(btf, id);
+	if (!t)
+		return -EINVAL;
+
+	vlen = btf_vlen(t);
+	kind = btf_kind(t);
+
+	fprintf(out, "[%u] %s '%s'", id, btf_kind_str(kind), btf_str(btf, t->name_off));
+
+	switch (kind) {
+	case BTF_KIND_INT:
+		fprintf(out, " size=%u bits_offset=%u nr_bits=%u encoding=%s",
+			t->size, btf_int_offset(t), btf_int_bits(t),
+			btf_int_enc_str(btf_int_encoding(t)));
+		break;
+	case BTF_KIND_PTR:
+	case BTF_KIND_CONST:
+	case BTF_KIND_VOLATILE:
+	case BTF_KIND_RESTRICT:
+	case BTF_KIND_TYPEDEF:
+	case BTF_KIND_TYPE_TAG:
+		fprintf(out, " type_id=%u", t->type);
+		break;
+	case BTF_KIND_ARRAY: {
+		const struct btf_array *arr = btf_array(t);
+
+		fprintf(out, " type_id=%u index_type_id=%u nr_elems=%u",
+			arr->type, arr->index_type, arr->nelems);
+		break;
+	}
+	case BTF_KIND_STRUCT:
+	case BTF_KIND_UNION: {
+		const struct btf_member *m = btf_members(t);
+
+		fprintf(out, " size=%u vlen=%u", t->size, vlen);
+		for (i = 0; i < vlen; i++, m++) {
+			__u32 bit_off, bit_sz;
+
+			bit_off = btf_member_bit_offset(t, i);
+			bit_sz = btf_member_bitfield_size(t, i);
+			fprintf(out, "\n\t'%s' type_id=%u bits_offset=%u",
+				btf_str(btf, m->name_off), m->type, bit_off);
+			if (bit_sz)
+				fprintf(out, " bitfield_size=%u", bit_sz);
+		}
+		break;
+	}
+	case BTF_KIND_ENUM: {
+		const struct btf_enum *v = btf_enum(t);
+		const char *fmt_str;
+
+		fmt_str = btf_kflag(t) ? "\n\t'%s' val=%d" : "\n\t'%s' val=%u";
+		fprintf(out, " encoding=%s size=%u vlen=%u",
+			btf_kflag(t) ? "SIGNED" : "UNSIGNED", t->size, vlen);
+		for (i = 0; i < vlen; i++, v++) {
+			fprintf(out, fmt_str,
+				btf_str(btf, v->name_off), v->val);
+		}
+		break;
+	}
+	case BTF_KIND_ENUM64: {
+		const struct btf_enum64 *v = btf_enum64(t);
+		const char *fmt_str;
+
+		fmt_str = btf_kflag(t) ? "\n\t'%s' val=%lld" : "\n\t'%s' val=%llu";
+
+		fprintf(out, " encoding=%s size=%u vlen=%u",
+			btf_kflag(t) ? "SIGNED" : "UNSIGNED", t->size, vlen);
+		for (i = 0; i < vlen; i++, v++) {
+			fprintf(out, fmt_str,
+				btf_str(btf, v->name_off),
+				((__u64)v->val_hi32 << 32) | v->val_lo32);
+		}
+		break;
+	}
+	case BTF_KIND_FWD:
+		fprintf(out, " fwd_kind=%s", btf_kflag(t) ? "union" : "struct");
+		break;
+	case BTF_KIND_FUNC:
+		fprintf(out, " type_id=%u linkage=%s", t->type, btf_func_linkage_str(t));
+		break;
+	case BTF_KIND_FUNC_PROTO: {
+		const struct btf_param *p = btf_params(t);
+
+		fprintf(out, " ret_type_id=%u vlen=%u", t->type, vlen);
+		for (i = 0; i < vlen; i++, p++) {
+			fprintf(out, "\n\t'%s' type_id=%u",
+				btf_str(btf, p->name_off), p->type);
+		}
+		break;
+	}
+	case BTF_KIND_VAR:
+		fprintf(out, " type_id=%u, linkage=%s",
+			t->type, btf_var_linkage_str(btf_var(t)->linkage));
+		break;
+	case BTF_KIND_DATASEC: {
+		const struct btf_var_secinfo *v = btf_var_secinfos(t);
+
+		fprintf(out, " size=%u vlen=%u", t->size, vlen);
+		for (i = 0; i < vlen; i++, v++) {
+			fprintf(out, "\n\ttype_id=%u offset=%u size=%u",
+				v->type, v->offset, v->size);
+		}
+		break;
+	}
+	case BTF_KIND_FLOAT:
+		fprintf(out, " size=%u", t->size);
+		break;
+	case BTF_KIND_DECL_TAG:
+		fprintf(out, " type_id=%u component_idx=%d",
+			t->type, btf_decl_tag(t)->component_idx);
+		break;
+	default:
+		break;
+	}
+
+	return 0;
+}
+
+/* Print raw BTF type dump into a local buffer and return string pointer back.
+ * Buffer *will* be overwritten by subsequent btf_type_raw_dump() calls
+ */
+const char *btf_type_raw_dump(const struct btf *btf, int type_id)
+{
+	static char buf[16 * 1024];
+	FILE *buf_file;
+
+	buf_file = fmemopen(buf, sizeof(buf) - 1, "w");
+	if (!buf_file) {
+		fprintf(stderr, "Failed to open memstream: %d\n", errno);
+		return NULL;
+	}
+
+	fprintf_btf_type_raw(buf_file, btf, type_id);
+	fflush(buf_file);
+	fclose(buf_file);
+
+	return buf;
+}
+
+int btf_validate_raw(struct btf *btf, int nr_types, const char *exp_types[])
+{
+	int i;
+	bool ok = true;
+
+	ASSERT_EQ(btf__type_cnt(btf) - 1, nr_types, "btf_nr_types");
+
+	for (i = 1; i <= nr_types; i++) {
+		if (!ASSERT_STREQ(btf_type_raw_dump(btf, i), exp_types[i - 1], "raw_dump"))
+			ok = false;
+	}
+
+	return ok;
+}
+
+static void btf_dump_printf(void *ctx, const char *fmt, va_list args)
+{
+	vfprintf(ctx, fmt, args);
+}
+
+/* Print BTF-to-C dump into a local buffer and return string pointer back.
+ * Buffer *will* be overwritten by subsequent btf_type_raw_dump() calls
+ */
+const char *btf_type_c_dump(const struct btf *btf)
+{
+	static char buf[16 * 1024];
+	FILE *buf_file;
+	struct btf_dump *d = NULL;
+	int err, i;
+
+	buf_file = fmemopen(buf, sizeof(buf) - 1, "w");
+	if (!buf_file) {
+		fprintf(stderr, "Failed to open memstream: %d\n", errno);
+		return NULL;
+	}
+
+	d = btf_dump__new(btf, btf_dump_printf, buf_file, NULL);
+	if (libbpf_get_error(d)) {
+		fprintf(stderr, "Failed to create btf_dump instance: %ld\n", libbpf_get_error(d));
+		goto err_out;
+	}
+
+	for (i = 1; i < btf__type_cnt(btf); i++) {
+		err = btf_dump__dump_type(d, i);
+		if (err) {
+			fprintf(stderr, "Failed to dump type [%d]: %d\n", i, err);
+			goto err_out;
+		}
+	}
+
+	btf_dump__free(d);
+	fflush(buf_file);
+	fclose(buf_file);
+	return buf;
+err_out:
+	btf_dump__free(d);
+	fclose(buf_file);
+	return NULL;
+}
diff --git a/tools/testing/selftests/bpf/btf_helpers.h b/tools/testing/selftests/bpf/btf_helpers.h
new file mode 100644
index 000000000..295c0137d
--- /dev/null
+++ b/tools/testing/selftests/bpf/btf_helpers.h
@@ -0,0 +1,19 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* Copyright (c) 2020 Facebook */
+#ifndef __BTF_HELPERS_H
+#define __BTF_HELPERS_H
+
+#include <stdio.h>
+#include <bpf/btf.h>
+
+int fprintf_btf_type_raw(FILE *out, const struct btf *btf, __u32 id);
+const char *btf_type_raw_dump(const struct btf *btf, int type_id);
+int btf_validate_raw(struct btf *btf, int nr_types, const char *exp_types[]);
+
+#define VALIDATE_RAW_BTF(btf, raw_types...)				\
+	btf_validate_raw(btf,						\
+			 sizeof((const char *[]){raw_types})/sizeof(void *),\
+			 (const char *[]){raw_types})
+
+const char *btf_type_c_dump(const struct btf *btf);
+#endif
diff --git a/tools/testing/selftests/bpf/cap_helpers.c b/tools/testing/selftests/bpf/cap_helpers.c
new file mode 100644
index 000000000..d5ac50740
--- /dev/null
+++ b/tools/testing/selftests/bpf/cap_helpers.c
@@ -0,0 +1,67 @@
+// SPDX-License-Identifier: GPL-2.0
+#include "cap_helpers.h"
+
+/* Avoid including <sys/capability.h> from the libcap-devel package,
+ * so directly declare them here and use them from glibc.
+ */
+int capget(cap_user_header_t header, cap_user_data_t data);
+int capset(cap_user_header_t header, const cap_user_data_t data);
+
+int cap_enable_effective(__u64 caps, __u64 *old_caps)
+{
+	struct __user_cap_data_struct data[_LINUX_CAPABILITY_U32S_3];
+	struct __user_cap_header_struct hdr = {
+		.version = _LINUX_CAPABILITY_VERSION_3,
+	};
+	__u32 cap0 = caps;
+	__u32 cap1 = caps >> 32;
+	int err;
+
+	err = capget(&hdr, data);
+	if (err)
+		return err;
+
+	if (old_caps)
+		*old_caps = (__u64)(data[1].effective) << 32 | data[0].effective;
+
+	if ((data[0].effective & cap0) == cap0 &&
+	    (data[1].effective & cap1) == cap1)
+		return 0;
+
+	data[0].effective |= cap0;
+	data[1].effective |= cap1;
+	err = capset(&hdr, data);
+	if (err)
+		return err;
+
+	return 0;
+}
+
+int cap_disable_effective(__u64 caps, __u64 *old_caps)
+{
+	struct __user_cap_data_struct data[_LINUX_CAPABILITY_U32S_3];
+	struct __user_cap_header_struct hdr = {
+		.version = _LINUX_CAPABILITY_VERSION_3,
+	};
+	__u32 cap0 = caps;
+	__u32 cap1 = caps >> 32;
+	int err;
+
+	err = capget(&hdr, data);
+	if (err)
+		return err;
+
+	if (old_caps)
+		*old_caps = (__u64)(data[1].effective) << 32 | data[0].effective;
+
+	if (!(data[0].effective & cap0) && !(data[1].effective & cap1))
+		return 0;
+
+	data[0].effective &= ~cap0;
+	data[1].effective &= ~cap1;
+	err = capset(&hdr, data);
+	if (err)
+		return err;
+
+	return 0;
+}
diff --git a/tools/testing/selftests/bpf/cap_helpers.h b/tools/testing/selftests/bpf/cap_helpers.h
new file mode 100644
index 000000000..6d163530c
--- /dev/null
+++ b/tools/testing/selftests/bpf/cap_helpers.h
@@ -0,0 +1,19 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef __CAP_HELPERS_H
+#define __CAP_HELPERS_H
+
+#include <linux/types.h>
+#include <linux/capability.h>
+
+#ifndef CAP_PERFMON
+#define CAP_PERFMON		38
+#endif
+
+#ifndef CAP_BPF
+#define CAP_BPF			39
+#endif
+
+int cap_enable_effective(__u64 caps, __u64 *old_caps);
+int cap_disable_effective(__u64 caps, __u64 *old_caps);
+
+#endif
diff --git a/tools/testing/selftests/bpf/cgroup_getset_retval_hooks.h b/tools/testing/selftests/bpf/cgroup_getset_retval_hooks.h
new file mode 100644
index 000000000..a525d3544
--- /dev/null
+++ b/tools/testing/selftests/bpf/cgroup_getset_retval_hooks.h
@@ -0,0 +1,25 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+
+BPF_RETVAL_HOOK(ingress, "cgroup_skb/ingress", __sk_buff, -EINVAL)
+BPF_RETVAL_HOOK(egress, "cgroup_skb/egress", __sk_buff, -EINVAL)
+BPF_RETVAL_HOOK(sock_create, "cgroup/sock_create", bpf_sock, 0)
+BPF_RETVAL_HOOK(sock_ops, "sockops", bpf_sock_ops, -EINVAL)
+BPF_RETVAL_HOOK(dev, "cgroup/dev", bpf_cgroup_dev_ctx, 0)
+BPF_RETVAL_HOOK(bind4, "cgroup/bind4", bpf_sock_addr, 0)
+BPF_RETVAL_HOOK(bind6, "cgroup/bind6", bpf_sock_addr, 0)
+BPF_RETVAL_HOOK(connect4, "cgroup/connect4", bpf_sock_addr, 0)
+BPF_RETVAL_HOOK(connect6, "cgroup/connect6", bpf_sock_addr, 0)
+BPF_RETVAL_HOOK(post_bind4, "cgroup/post_bind4", bpf_sock_addr, 0)
+BPF_RETVAL_HOOK(post_bind6, "cgroup/post_bind6", bpf_sock_addr, 0)
+BPF_RETVAL_HOOK(sendmsg4, "cgroup/sendmsg4", bpf_sock_addr, 0)
+BPF_RETVAL_HOOK(sendmsg6, "cgroup/sendmsg6", bpf_sock_addr, 0)
+BPF_RETVAL_HOOK(sysctl, "cgroup/sysctl", bpf_sysctl, 0)
+BPF_RETVAL_HOOK(recvmsg4, "cgroup/recvmsg4", bpf_sock_addr, -EINVAL)
+BPF_RETVAL_HOOK(recvmsg6, "cgroup/recvmsg6", bpf_sock_addr, -EINVAL)
+BPF_RETVAL_HOOK(getsockopt, "cgroup/getsockopt", bpf_sockopt, 0)
+BPF_RETVAL_HOOK(setsockopt, "cgroup/setsockopt", bpf_sockopt, 0)
+BPF_RETVAL_HOOK(getpeername4, "cgroup/getpeername4", bpf_sock_addr, -EINVAL)
+BPF_RETVAL_HOOK(getpeername6, "cgroup/getpeername6", bpf_sock_addr, -EINVAL)
+BPF_RETVAL_HOOK(getsockname4, "cgroup/getsockname4", bpf_sock_addr, -EINVAL)
+BPF_RETVAL_HOOK(getsockname6, "cgroup/getsockname6", bpf_sock_addr, -EINVAL)
+BPF_RETVAL_HOOK(sock_release, "cgroup/sock_release", bpf_sock, 0)
diff --git a/tools/testing/selftests/bpf/cgroup_helpers.c b/tools/testing/selftests/bpf/cgroup_helpers.c
new file mode 100644
index 000000000..e914cc45b
--- /dev/null
+++ b/tools/testing/selftests/bpf/cgroup_helpers.c
@@ -0,0 +1,553 @@
+// SPDX-License-Identifier: GPL-2.0
+#define _GNU_SOURCE
+#include <sched.h>
+#include <sys/mount.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <linux/limits.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <linux/sched.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <ftw.h>
+
+#include "cgroup_helpers.h"
+
+/*
+ * To avoid relying on the system setup, when setup_cgroup_env is called
+ * we create a new mount namespace, and cgroup namespace. The cgroupv2
+ * root is mounted at CGROUP_MOUNT_PATH. Unfortunately, most people don't
+ * have cgroupv2 enabled at this point in time. It's easier to create our
+ * own mount namespace and manage it ourselves. We assume /mnt exists.
+ *
+ * Related cgroupv1 helpers are named *classid*(), since we only use the
+ * net_cls controller for tagging net_cls.classid. We assume the default
+ * mount under /sys/fs/cgroup/net_cls, which should be the case for the
+ * vast majority of users.
+ */
+
+#define WALK_FD_LIMIT			16
+
+#define CGROUP_MOUNT_PATH		"/mnt"
+#define CGROUP_MOUNT_DFLT		"/sys/fs/cgroup"
+#define NETCLS_MOUNT_PATH		CGROUP_MOUNT_DFLT "/net_cls"
+#define CGROUP_WORK_DIR			"/cgroup-test-work-dir"
+
+#define format_cgroup_path_pid(buf, path, pid) \
+	snprintf(buf, sizeof(buf), "%s%s%d%s", CGROUP_MOUNT_PATH, \
+	CGROUP_WORK_DIR, pid, path)
+
+#define format_cgroup_path(buf, path) \
+	format_cgroup_path_pid(buf, path, getpid())
+
+#define format_parent_cgroup_path(buf, path) \
+	format_cgroup_path_pid(buf, path, getppid())
+
+#define format_classid_path(buf)				\
+	snprintf(buf, sizeof(buf), "%s%s", NETCLS_MOUNT_PATH,	\
+		 CGROUP_WORK_DIR)
+
+static int __enable_controllers(const char *cgroup_path, const char *controllers)
+{
+	char path[PATH_MAX + 1];
+	char enable[PATH_MAX + 1];
+	char *c, *c2;
+	int fd, cfd;
+	ssize_t len;
+
+	/* If not controllers are passed, enable all available controllers */
+	if (!controllers) {
+		snprintf(path, sizeof(path), "%s/cgroup.controllers",
+			 cgroup_path);
+		fd = open(path, O_RDONLY);
+		if (fd < 0) {
+			log_err("Opening cgroup.controllers: %s", path);
+			return 1;
+		}
+		len = read(fd, enable, sizeof(enable) - 1);
+		if (len < 0) {
+			close(fd);
+			log_err("Reading cgroup.controllers: %s", path);
+			return 1;
+		} else if (len == 0) { /* No controllers to enable */
+			close(fd);
+			return 0;
+		}
+		enable[len] = 0;
+		close(fd);
+	} else {
+		strncpy(enable, controllers, sizeof(enable));
+	}
+
+	snprintf(path, sizeof(path), "%s/cgroup.subtree_control", cgroup_path);
+	cfd = open(path, O_RDWR);
+	if (cfd < 0) {
+		log_err("Opening cgroup.subtree_control: %s", path);
+		return 1;
+	}
+
+	for (c = strtok_r(enable, " ", &c2); c; c = strtok_r(NULL, " ", &c2)) {
+		if (dprintf(cfd, "+%s\n", c) <= 0) {
+			log_err("Enabling controller %s: %s", c, path);
+			close(cfd);
+			return 1;
+		}
+	}
+	close(cfd);
+	return 0;
+}
+
+/**
+ * enable_controllers() - Enable cgroup v2 controllers
+ * @relative_path: The cgroup path, relative to the workdir
+ * @controllers: List of controllers to enable in cgroup.controllers format
+ *
+ *
+ * Enable given cgroup v2 controllers, if @controllers is NULL, enable all
+ * available controllers.
+ *
+ * If successful, 0 is returned.
+ */
+int enable_controllers(const char *relative_path, const char *controllers)
+{
+	char cgroup_path[PATH_MAX + 1];
+
+	format_cgroup_path(cgroup_path, relative_path);
+	return __enable_controllers(cgroup_path, controllers);
+}
+
+static int __write_cgroup_file(const char *cgroup_path, const char *file,
+			       const char *buf)
+{
+	char file_path[PATH_MAX + 1];
+	int fd;
+
+	snprintf(file_path, sizeof(file_path), "%s/%s", cgroup_path, file);
+	fd = open(file_path, O_RDWR);
+	if (fd < 0) {
+		log_err("Opening %s", file_path);
+		return 1;
+	}
+
+	if (dprintf(fd, "%s", buf) <= 0) {
+		log_err("Writing to %s", file_path);
+		close(fd);
+		return 1;
+	}
+	close(fd);
+	return 0;
+}
+
+/**
+ * write_cgroup_file() - Write to a cgroup file
+ * @relative_path: The cgroup path, relative to the workdir
+ * @file: The name of the file in cgroupfs to write to
+ * @buf: Buffer to write to the file
+ *
+ * Write to a file in the given cgroup's directory.
+ *
+ * If successful, 0 is returned.
+ */
+int write_cgroup_file(const char *relative_path, const char *file,
+		      const char *buf)
+{
+	char cgroup_path[PATH_MAX - 24];
+
+	format_cgroup_path(cgroup_path, relative_path);
+	return __write_cgroup_file(cgroup_path, file, buf);
+}
+
+/**
+ * write_cgroup_file_parent() - Write to a cgroup file in the parent process
+ *                              workdir
+ * @relative_path: The cgroup path, relative to the parent process workdir
+ * @file: The name of the file in cgroupfs to write to
+ * @buf: Buffer to write to the file
+ *
+ * Write to a file in the given cgroup's directory under the parent process
+ * workdir.
+ *
+ * If successful, 0 is returned.
+ */
+int write_cgroup_file_parent(const char *relative_path, const char *file,
+			     const char *buf)
+{
+	char cgroup_path[PATH_MAX - 24];
+
+	format_parent_cgroup_path(cgroup_path, relative_path);
+	return __write_cgroup_file(cgroup_path, file, buf);
+}
+
+/**
+ * setup_cgroup_environment() - Setup the cgroup environment
+ *
+ * After calling this function, cleanup_cgroup_environment should be called
+ * once testing is complete.
+ *
+ * This function will print an error to stderr and return 1 if it is unable
+ * to setup the cgroup environment. If setup is successful, 0 is returned.
+ */
+int setup_cgroup_environment(void)
+{
+	char cgroup_workdir[PATH_MAX - 24];
+
+	format_cgroup_path(cgroup_workdir, "");
+
+	if (unshare(CLONE_NEWNS)) {
+		log_err("unshare");
+		return 1;
+	}
+
+	if (mount("none", "/", NULL, MS_REC | MS_PRIVATE, NULL)) {
+		log_err("mount fakeroot");
+		return 1;
+	}
+
+	if (mount("none", CGROUP_MOUNT_PATH, "cgroup2", 0, NULL) && errno != EBUSY) {
+		log_err("mount cgroup2");
+		return 1;
+	}
+
+	/* Cleanup existing failed runs, now that the environment is setup */
+	cleanup_cgroup_environment();
+
+	if (mkdir(cgroup_workdir, 0777) && errno != EEXIST) {
+		log_err("mkdir cgroup work dir");
+		return 1;
+	}
+
+	/* Enable all available controllers to increase test coverage */
+	if (__enable_controllers(CGROUP_MOUNT_PATH, NULL) ||
+	    __enable_controllers(cgroup_workdir, NULL))
+		return 1;
+
+	return 0;
+}
+
+static int nftwfunc(const char *filename, const struct stat *statptr,
+		    int fileflags, struct FTW *pfwt)
+{
+	if ((fileflags & FTW_D) && rmdir(filename))
+		log_err("Removing cgroup: %s", filename);
+	return 0;
+}
+
+static int join_cgroup_from_top(const char *cgroup_path)
+{
+	char cgroup_procs_path[PATH_MAX + 1];
+	pid_t pid = getpid();
+	int fd, rc = 0;
+
+	snprintf(cgroup_procs_path, sizeof(cgroup_procs_path),
+		 "%s/cgroup.procs", cgroup_path);
+
+	fd = open(cgroup_procs_path, O_WRONLY);
+	if (fd < 0) {
+		log_err("Opening Cgroup Procs: %s", cgroup_procs_path);
+		return 1;
+	}
+
+	if (dprintf(fd, "%d\n", pid) < 0) {
+		log_err("Joining Cgroup");
+		rc = 1;
+	}
+
+	close(fd);
+	return rc;
+}
+
+/**
+ * join_cgroup() - Join a cgroup
+ * @relative_path: The cgroup path, relative to the workdir, to join
+ *
+ * This function expects a cgroup to already be created, relative to the cgroup
+ * work dir, and it joins it. For example, passing "/my-cgroup" as the path
+ * would actually put the calling process into the cgroup
+ * "/cgroup-test-work-dir/my-cgroup"
+ *
+ * On success, it returns 0, otherwise on failure it returns 1.
+ */
+int join_cgroup(const char *relative_path)
+{
+	char cgroup_path[PATH_MAX + 1];
+
+	format_cgroup_path(cgroup_path, relative_path);
+	return join_cgroup_from_top(cgroup_path);
+}
+
+/**
+ * join_parent_cgroup() - Join a cgroup in the parent process workdir
+ * @relative_path: The cgroup path, relative to parent process workdir, to join
+ *
+ * See join_cgroup().
+ *
+ * On success, it returns 0, otherwise on failure it returns 1.
+ */
+int join_parent_cgroup(const char *relative_path)
+{
+	char cgroup_path[PATH_MAX + 1];
+
+	format_parent_cgroup_path(cgroup_path, relative_path);
+	return join_cgroup_from_top(cgroup_path);
+}
+
+/**
+ * cleanup_cgroup_environment() - Cleanup Cgroup Testing Environment
+ *
+ * This is an idempotent function to delete all temporary cgroups that
+ * have been created during the test, including the cgroup testing work
+ * directory.
+ *
+ * At call time, it moves the calling process to the root cgroup, and then
+ * runs the deletion process. It is idempotent, and should not fail, unless
+ * a process is lingering.
+ *
+ * On failure, it will print an error to stderr, and try to continue.
+ */
+void cleanup_cgroup_environment(void)
+{
+	char cgroup_workdir[PATH_MAX + 1];
+
+	format_cgroup_path(cgroup_workdir, "");
+	join_cgroup_from_top(CGROUP_MOUNT_PATH);
+	nftw(cgroup_workdir, nftwfunc, WALK_FD_LIMIT, FTW_DEPTH | FTW_MOUNT);
+}
+
+/**
+ * get_root_cgroup() - Get the FD of the root cgroup
+ *
+ * On success, it returns the file descriptor. On failure, it returns -1.
+ * If there is a failure, it prints the error to stderr.
+ */
+int get_root_cgroup(void)
+{
+	int fd;
+
+	fd = open(CGROUP_MOUNT_PATH, O_RDONLY);
+	if (fd < 0) {
+		log_err("Opening root cgroup");
+		return -1;
+	}
+	return fd;
+}
+
+/**
+ * create_and_get_cgroup() - Create a cgroup, relative to workdir, and get the FD
+ * @relative_path: The cgroup path, relative to the workdir, to join
+ *
+ * This function creates a cgroup under the top level workdir and returns the
+ * file descriptor. It is idempotent.
+ *
+ * On success, it returns the file descriptor. On failure it returns -1.
+ * If there is a failure, it prints the error to stderr.
+ */
+int create_and_get_cgroup(const char *relative_path)
+{
+	char cgroup_path[PATH_MAX + 1];
+	int fd;
+
+	format_cgroup_path(cgroup_path, relative_path);
+	if (mkdir(cgroup_path, 0777) && errno != EEXIST) {
+		log_err("mkdiring cgroup %s .. %s", relative_path, cgroup_path);
+		return -1;
+	}
+
+	fd = open(cgroup_path, O_RDONLY);
+	if (fd < 0) {
+		log_err("Opening Cgroup");
+		return -1;
+	}
+
+	return fd;
+}
+
+/**
+ * get_cgroup_id() - Get cgroup id for a particular cgroup path
+ * @relative_path: The cgroup path, relative to the workdir, to join
+ *
+ * On success, it returns the cgroup id. On failure it returns 0,
+ * which is an invalid cgroup id.
+ * If there is a failure, it prints the error to stderr.
+ */
+unsigned long long get_cgroup_id(const char *relative_path)
+{
+	int dirfd, err, flags, mount_id, fhsize;
+	union {
+		unsigned long long cgid;
+		unsigned char raw_bytes[8];
+	} id;
+	char cgroup_workdir[PATH_MAX + 1];
+	struct file_handle *fhp, *fhp2;
+	unsigned long long ret = 0;
+
+	format_cgroup_path(cgroup_workdir, relative_path);
+
+	dirfd = AT_FDCWD;
+	flags = 0;
+	fhsize = sizeof(*fhp);
+	fhp = calloc(1, fhsize);
+	if (!fhp) {
+		log_err("calloc");
+		return 0;
+	}
+	err = name_to_handle_at(dirfd, cgroup_workdir, fhp, &mount_id, flags);
+	if (err >= 0 || fhp->handle_bytes != 8) {
+		log_err("name_to_handle_at");
+		goto free_mem;
+	}
+
+	fhsize = sizeof(struct file_handle) + fhp->handle_bytes;
+	fhp2 = realloc(fhp, fhsize);
+	if (!fhp2) {
+		log_err("realloc");
+		goto free_mem;
+	}
+	err = name_to_handle_at(dirfd, cgroup_workdir, fhp2, &mount_id, flags);
+	fhp = fhp2;
+	if (err < 0) {
+		log_err("name_to_handle_at");
+		goto free_mem;
+	}
+
+	memcpy(id.raw_bytes, fhp->f_handle, 8);
+	ret = id.cgid;
+
+free_mem:
+	free(fhp);
+	return ret;
+}
+
+int cgroup_setup_and_join(const char *path) {
+	int cg_fd;
+
+	if (setup_cgroup_environment()) {
+		fprintf(stderr, "Failed to setup cgroup environment\n");
+		return -EINVAL;
+	}
+
+	cg_fd = create_and_get_cgroup(path);
+	if (cg_fd < 0) {
+		fprintf(stderr, "Failed to create test cgroup\n");
+		cleanup_cgroup_environment();
+		return cg_fd;
+	}
+
+	if (join_cgroup(path)) {
+		fprintf(stderr, "Failed to join cgroup\n");
+		cleanup_cgroup_environment();
+		return -EINVAL;
+	}
+	return cg_fd;
+}
+
+/**
+ * setup_classid_environment() - Setup the cgroupv1 net_cls environment
+ *
+ * After calling this function, cleanup_classid_environment should be called
+ * once testing is complete.
+ *
+ * This function will print an error to stderr and return 1 if it is unable
+ * to setup the cgroup environment. If setup is successful, 0 is returned.
+ */
+int setup_classid_environment(void)
+{
+	char cgroup_workdir[PATH_MAX + 1];
+
+	format_classid_path(cgroup_workdir);
+
+	if (mount("tmpfs", CGROUP_MOUNT_DFLT, "tmpfs", 0, NULL) &&
+	    errno != EBUSY) {
+		log_err("mount cgroup base");
+		return 1;
+	}
+
+	if (mkdir(NETCLS_MOUNT_PATH, 0777) && errno != EEXIST) {
+		log_err("mkdir cgroup net_cls");
+		return 1;
+	}
+
+	if (mount("net_cls", NETCLS_MOUNT_PATH, "cgroup", 0, "net_cls") &&
+	    errno != EBUSY) {
+		log_err("mount cgroup net_cls");
+		return 1;
+	}
+
+	cleanup_classid_environment();
+
+	if (mkdir(cgroup_workdir, 0777) && errno != EEXIST) {
+		log_err("mkdir cgroup work dir");
+		return 1;
+	}
+
+	return 0;
+}
+
+/**
+ * set_classid() - Set a cgroupv1 net_cls classid
+ * @id: the numeric classid
+ *
+ * Writes the passed classid into the cgroup work dir's net_cls.classid
+ * file in order to later on trigger socket tagging.
+ *
+ * On success, it returns 0, otherwise on failure it returns 1. If there
+ * is a failure, it prints the error to stderr.
+ */
+int set_classid(unsigned int id)
+{
+	char cgroup_workdir[PATH_MAX - 42];
+	char cgroup_classid_path[PATH_MAX + 1];
+	int fd, rc = 0;
+
+	format_classid_path(cgroup_workdir);
+	snprintf(cgroup_classid_path, sizeof(cgroup_classid_path),
+		 "%s/net_cls.classid", cgroup_workdir);
+
+	fd = open(cgroup_classid_path, O_WRONLY);
+	if (fd < 0) {
+		log_err("Opening cgroup classid: %s", cgroup_classid_path);
+		return 1;
+	}
+
+	if (dprintf(fd, "%u\n", id) < 0) {
+		log_err("Setting cgroup classid");
+		rc = 1;
+	}
+
+	close(fd);
+	return rc;
+}
+
+/**
+ * join_classid() - Join a cgroupv1 net_cls classid
+ *
+ * This function expects the cgroup work dir to be already created, as we
+ * join it here. This causes the process sockets to be tagged with the given
+ * net_cls classid.
+ *
+ * On success, it returns 0, otherwise on failure it returns 1.
+ */
+int join_classid(void)
+{
+	char cgroup_workdir[PATH_MAX + 1];
+
+	format_classid_path(cgroup_workdir);
+	return join_cgroup_from_top(cgroup_workdir);
+}
+
+/**
+ * cleanup_classid_environment() - Cleanup the cgroupv1 net_cls environment
+ *
+ * At call time, it moves the calling process to the root cgroup, and then
+ * runs the deletion process.
+ *
+ * On failure, it will print an error to stderr, and try to continue.
+ */
+void cleanup_classid_environment(void)
+{
+	char cgroup_workdir[PATH_MAX + 1];
+
+	format_classid_path(cgroup_workdir);
+	join_cgroup_from_top(NETCLS_MOUNT_PATH);
+	nftw(cgroup_workdir, nftwfunc, WALK_FD_LIMIT, FTW_DEPTH | FTW_MOUNT);
+}
diff --git a/tools/testing/selftests/bpf/cgroup_helpers.h b/tools/testing/selftests/bpf/cgroup_helpers.h
new file mode 100644
index 000000000..335873435
--- /dev/null
+++ b/tools/testing/selftests/bpf/cgroup_helpers.h
@@ -0,0 +1,36 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef __CGROUP_HELPERS_H
+#define __CGROUP_HELPERS_H
+
+#include <errno.h>
+#include <string.h>
+
+#define clean_errno() (errno == 0 ? "None" : strerror(errno))
+#define log_err(MSG, ...) fprintf(stderr, "(%s:%d: errno: %s) " MSG "\n", \
+	__FILE__, __LINE__, clean_errno(), ##__VA_ARGS__)
+
+/* cgroupv2 related */
+int enable_controllers(const char *relative_path, const char *controllers);
+int write_cgroup_file(const char *relative_path, const char *file,
+		      const char *buf);
+int write_cgroup_file_parent(const char *relative_path, const char *file,
+			     const char *buf);
+int cgroup_setup_and_join(const char *relative_path);
+int get_root_cgroup(void);
+int create_and_get_cgroup(const char *relative_path);
+unsigned long long get_cgroup_id(const char *relative_path);
+
+int join_cgroup(const char *relative_path);
+int join_parent_cgroup(const char *relative_path);
+
+int setup_cgroup_environment(void);
+void cleanup_cgroup_environment(void);
+
+/* cgroupv1 related */
+int set_classid(unsigned int id);
+int join_classid(void);
+
+int setup_classid_environment(void);
+void cleanup_classid_environment(void);
+
+#endif /* __CGROUP_HELPERS_H */
diff --git a/tools/testing/selftests/bpf/config b/tools/testing/selftests/bpf/config
new file mode 100644
index 000000000..59cec4244
--- /dev/null
+++ b/tools/testing/selftests/bpf/config
@@ -0,0 +1,74 @@
+CONFIG_BLK_DEV_LOOP=y
+CONFIG_BPF=y
+CONFIG_BPF_EVENTS=y
+CONFIG_BPF_JIT=y
+CONFIG_BPF_LIRC_MODE2=y
+CONFIG_BPF_LSM=y
+CONFIG_BPF_STREAM_PARSER=y
+CONFIG_BPF_SYSCALL=y
+CONFIG_CGROUP_BPF=y
+CONFIG_CRYPTO_HMAC=y
+CONFIG_CRYPTO_SHA256=y
+CONFIG_CRYPTO_USER_API_HASH=y
+CONFIG_DYNAMIC_FTRACE=y
+CONFIG_FPROBE=y
+CONFIG_FTRACE_SYSCALLS=y
+CONFIG_FUNCTION_ERROR_INJECTION=y
+CONFIG_FUNCTION_TRACER=y
+CONFIG_GENEVE=y
+CONFIG_IKCONFIG=y
+CONFIG_IKCONFIG_PROC=y
+CONFIG_IMA=y
+CONFIG_IMA_READ_POLICY=y
+CONFIG_IMA_WRITE_POLICY=y
+CONFIG_IP_NF_FILTER=y
+CONFIG_IP_NF_RAW=y
+CONFIG_IP_NF_TARGET_SYNPROXY=y
+CONFIG_IPV6=y
+CONFIG_IPV6_FOU=y
+CONFIG_IPV6_FOU_TUNNEL=y
+CONFIG_IPV6_GRE=y
+CONFIG_IPV6_SEG6_BPF=y
+CONFIG_IPV6_SIT=y
+CONFIG_IPV6_TUNNEL=y
+CONFIG_KEYS=y
+CONFIG_LIRC=y
+CONFIG_LWTUNNEL=y
+CONFIG_MODULE_SIG=y
+CONFIG_MODULE_SRCVERSION_ALL=y
+CONFIG_MODULE_UNLOAD=y
+CONFIG_MODULES=y
+CONFIG_MODVERSIONS=y
+CONFIG_MPLS=y
+CONFIG_MPLS_IPTUNNEL=y
+CONFIG_MPLS_ROUTING=y
+CONFIG_MPTCP=y
+CONFIG_NET_CLS_ACT=y
+CONFIG_NET_CLS_BPF=y
+CONFIG_NET_CLS_FLOWER=y
+CONFIG_NET_FOU=y
+CONFIG_NET_FOU_IP_TUNNELS=y
+CONFIG_NET_IPGRE=y
+CONFIG_NET_IPGRE_DEMUX=y
+CONFIG_NET_IPIP=y
+CONFIG_NET_MPLS_GSO=y
+CONFIG_NET_SCH_INGRESS=y
+CONFIG_NET_SCHED=y
+CONFIG_NETDEVSIM=y
+CONFIG_NETFILTER=y
+CONFIG_NETFILTER_SYNPROXY=y
+CONFIG_NETFILTER_XT_CONNMARK=y
+CONFIG_NETFILTER_XT_MATCH_STATE=y
+CONFIG_NETFILTER_XT_TARGET_CT=y
+CONFIG_NF_CONNTRACK=y
+CONFIG_NF_CONNTRACK_MARK=y
+CONFIG_NF_DEFRAG_IPV4=y
+CONFIG_NF_DEFRAG_IPV6=y
+CONFIG_NF_NAT=y
+CONFIG_RC_CORE=y
+CONFIG_SECURITY=y
+CONFIG_SECURITYFS=y
+CONFIG_TEST_BPF=y
+CONFIG_USERFAULTFD=y
+CONFIG_VXLAN=y
+CONFIG_XDP_SOCKETS=y
diff --git a/tools/testing/selftests/bpf/config.s390x b/tools/testing/selftests/bpf/config.s390x
new file mode 100644
index 000000000..f8a7a258a
--- /dev/null
+++ b/tools/testing/selftests/bpf/config.s390x
@@ -0,0 +1,147 @@
+CONFIG_9P_FS=y
+CONFIG_ARCH_WANT_DEFAULT_BPF_JIT=y
+CONFIG_AUDIT=y
+CONFIG_BLK_CGROUP=y
+CONFIG_BLK_DEV_INITRD=y
+CONFIG_BLK_DEV_IO_TRACE=y
+CONFIG_BLK_DEV_RAM=y
+CONFIG_BONDING=y
+CONFIG_BPF_JIT_ALWAYS_ON=y
+CONFIG_BPF_JIT_DEFAULT_ON=y
+CONFIG_BPF_PRELOAD=y
+CONFIG_BPF_PRELOAD_UMD=y
+CONFIG_BPFILTER=y
+CONFIG_CGROUP_CPUACCT=y
+CONFIG_CGROUP_DEVICE=y
+CONFIG_CGROUP_FREEZER=y
+CONFIG_CGROUP_HUGETLB=y
+CONFIG_CGROUP_NET_CLASSID=y
+CONFIG_CGROUP_PERF=y
+CONFIG_CGROUP_PIDS=y
+CONFIG_CGROUP_SCHED=y
+CONFIG_CGROUPS=y
+CONFIG_CHECKPOINT_RESTORE=y
+CONFIG_CPUSETS=y
+CONFIG_CRASH_DUMP=y
+CONFIG_CRYPTO_USER_API_RNG=y
+CONFIG_CRYPTO_USER_API_SKCIPHER=y
+CONFIG_DEBUG_ATOMIC_SLEEP=y
+CONFIG_DEBUG_INFO_BTF=y
+CONFIG_DEBUG_INFO_DWARF4=y
+CONFIG_DEBUG_LIST=y
+CONFIG_DEBUG_LOCKDEP=y
+CONFIG_DEBUG_NOTIFIERS=y
+CONFIG_DEBUG_PAGEALLOC=y
+CONFIG_DEBUG_SECTION_MISMATCH=y
+CONFIG_DEBUG_SG=y
+CONFIG_DETECT_HUNG_TASK=y
+CONFIG_DEVTMPFS=y
+CONFIG_EXPERT=y
+CONFIG_EXT4_FS=y
+CONFIG_EXT4_FS_POSIX_ACL=y
+CONFIG_EXT4_FS_SECURITY=y
+CONFIG_FANOTIFY=y
+CONFIG_FUNCTION_PROFILER=y
+CONFIG_GDB_SCRIPTS=y
+CONFIG_HAVE_EBPF_JIT=y
+CONFIG_HAVE_KPROBES=y
+CONFIG_HAVE_KPROBES_ON_FTRACE=y
+CONFIG_HAVE_KRETPROBES=y
+CONFIG_HAVE_MARCH_Z10_FEATURES=y
+CONFIG_HAVE_MARCH_Z196_FEATURES=y
+CONFIG_HEADERS_INSTALL=y
+CONFIG_HIGH_RES_TIMERS=y
+CONFIG_HUGETLBFS=y
+CONFIG_HW_RANDOM=y
+CONFIG_HZ_100=y
+CONFIG_IDLE_PAGE_TRACKING=y
+CONFIG_IKHEADERS=y
+CONFIG_INET6_ESP=y
+CONFIG_INET=y
+CONFIG_INET_ESP=y
+CONFIG_IP_ADVANCED_ROUTER=y
+CONFIG_IP_MULTICAST=y
+CONFIG_IP_MULTIPLE_TABLES=y
+CONFIG_IP_NF_IPTABLES=y
+CONFIG_IPV6_SEG6_LWTUNNEL=y
+CONFIG_IPVLAN=y
+CONFIG_JUMP_LABEL=y
+CONFIG_KERNEL_UNCOMPRESSED=y
+CONFIG_KPROBES=y
+CONFIG_KPROBES_ON_FTRACE=y
+CONFIG_KRETPROBES=y
+CONFIG_KSM=y
+CONFIG_LATENCYTOP=y
+CONFIG_LIVEPATCH=y
+CONFIG_LOCK_STAT=y
+CONFIG_MACVLAN=y
+CONFIG_MACVTAP=y
+CONFIG_MAGIC_SYSRQ=y
+CONFIG_MARCH_Z196=y
+CONFIG_MARCH_Z196_TUNE=y
+CONFIG_MEMCG=y
+CONFIG_MEMORY_HOTPLUG=y
+CONFIG_MEMORY_HOTREMOVE=y
+CONFIG_MODULE_SIG=y
+CONFIG_MODULE_UNLOAD=y
+CONFIG_MODULES=y
+CONFIG_NAMESPACES=y
+CONFIG_NET=y
+CONFIG_NET_9P=y
+CONFIG_NET_9P_VIRTIO=y
+CONFIG_NET_ACT_BPF=y
+CONFIG_NET_ACT_GACT=y
+CONFIG_NET_KEY=y
+CONFIG_NET_SCH_FQ=y
+CONFIG_NET_VRF=y
+CONFIG_NETDEVICES=y
+CONFIG_NETFILTER_XT_MATCH_BPF=y
+CONFIG_NETFILTER_XT_TARGET_MARK=y
+CONFIG_NF_TABLES=y
+CONFIG_NO_HZ_IDLE=y
+CONFIG_NR_CPUS=256
+CONFIG_NUMA=y
+CONFIG_PACKET=y
+CONFIG_PANIC_ON_OOPS=y
+CONFIG_PARTITION_ADVANCED=y
+CONFIG_PCI=y
+CONFIG_POSIX_MQUEUE=y
+CONFIG_PROC_KCORE=y
+CONFIG_PROFILING=y
+CONFIG_PROVE_LOCKING=y
+CONFIG_PTDUMP_DEBUGFS=y
+CONFIG_RC_DEVICES=y
+CONFIG_RC_LOOPBACK=y
+CONFIG_RT_GROUP_SCHED=y
+CONFIG_SAMPLE_SECCOMP=y
+CONFIG_SAMPLES=y
+CONFIG_SCHED_TRACER=y
+CONFIG_SCSI=y
+CONFIG_SCSI_VIRTIO=y
+CONFIG_SECURITY_NETWORK=y
+CONFIG_STACK_TRACER=y
+CONFIG_STATIC_KEYS_SELFTEST=y
+CONFIG_SYSVIPC=y
+CONFIG_TASK_DELAY_ACCT=y
+CONFIG_TASK_IO_ACCOUNTING=y
+CONFIG_TASK_XACCT=y
+CONFIG_TASKSTATS=y
+CONFIG_TCP_CONG_ADVANCED=y
+CONFIG_TCP_CONG_DCTCP=y
+CONFIG_TLS=y
+CONFIG_TMPFS=y
+CONFIG_TMPFS_POSIX_ACL=y
+CONFIG_TRACER_SNAPSHOT_PER_CPU_SWAP=y
+CONFIG_TRANSPARENT_HUGEPAGE=y
+CONFIG_TUN=y
+CONFIG_UNIX=y
+CONFIG_UPROBES=y
+CONFIG_USELIB=y
+CONFIG_USER_NS=y
+CONFIG_VETH=y
+CONFIG_VIRTIO_BALLOON=y
+CONFIG_VIRTIO_BLK=y
+CONFIG_VIRTIO_NET=y
+CONFIG_VIRTIO_PCI=y
+CONFIG_VLAN_8021Q=y
+CONFIG_XFRM_USER=y
diff --git a/tools/testing/selftests/bpf/config.x86_64 b/tools/testing/selftests/bpf/config.x86_64
new file mode 100644
index 000000000..21ce5ea43
--- /dev/null
+++ b/tools/testing/selftests/bpf/config.x86_64
@@ -0,0 +1,246 @@
+CONFIG_9P_FS=y
+CONFIG_9P_FS_POSIX_ACL=y
+CONFIG_9P_FS_SECURITY=y
+CONFIG_AGP=y
+CONFIG_AGP_AMD64=y
+CONFIG_AGP_INTEL=y
+CONFIG_AGP_SIS=y
+CONFIG_AGP_VIA=y
+CONFIG_AMIGA_PARTITION=y
+CONFIG_AUDIT=y
+CONFIG_BACKLIGHT_CLASS_DEVICE=y
+CONFIG_BINFMT_MISC=y
+CONFIG_BLK_CGROUP=y
+CONFIG_BLK_CGROUP_IOLATENCY=y
+CONFIG_BLK_DEV_BSGLIB=y
+CONFIG_BLK_DEV_IO_TRACE=y
+CONFIG_BLK_DEV_RAM=y
+CONFIG_BLK_DEV_RAM_SIZE=16384
+CONFIG_BLK_DEV_THROTTLING=y
+CONFIG_BONDING=y
+CONFIG_BOOTPARAM_HARDLOCKUP_PANIC=y
+CONFIG_BOOTTIME_TRACING=y
+CONFIG_BPF_JIT_ALWAYS_ON=y
+CONFIG_BPF_KPROBE_OVERRIDE=y
+CONFIG_BPF_PRELOAD=y
+CONFIG_BPF_PRELOAD_UMD=y
+CONFIG_BPFILTER=y
+CONFIG_BSD_DISKLABEL=y
+CONFIG_BSD_PROCESS_ACCT=y
+CONFIG_CFS_BANDWIDTH=y
+CONFIG_CGROUP_CPUACCT=y
+CONFIG_CGROUP_DEVICE=y
+CONFIG_CGROUP_FREEZER=y
+CONFIG_CGROUP_HUGETLB=y
+CONFIG_CGROUP_PERF=y
+CONFIG_CGROUP_SCHED=y
+CONFIG_CGROUPS=y
+CONFIG_CMA=y
+CONFIG_CMA_AREAS=7
+CONFIG_COMPAT_32BIT_TIME=y
+CONFIG_CPU_FREQ_DEFAULT_GOV_PERFORMANCE=y
+CONFIG_CPU_FREQ_GOV_CONSERVATIVE=y
+CONFIG_CPU_FREQ_GOV_ONDEMAND=y
+CONFIG_CPU_FREQ_GOV_USERSPACE=y
+CONFIG_CPU_FREQ_STAT=y
+CONFIG_CPU_IDLE_GOV_LADDER=y
+CONFIG_CPUSETS=y
+CONFIG_CRC_T10DIF=y
+CONFIG_CRYPTO_BLAKE2B=y
+CONFIG_CRYPTO_DEV_VIRTIO=y
+CONFIG_CRYPTO_SEQIV=y
+CONFIG_CRYPTO_XXHASH=y
+CONFIG_DCB=y
+CONFIG_DEBUG_ATOMIC_SLEEP=y
+CONFIG_DEBUG_CREDENTIALS=y
+CONFIG_DEBUG_INFO_BTF=y
+CONFIG_DEBUG_INFO_DWARF_TOOLCHAIN_DEFAULT=y
+CONFIG_DEBUG_MEMORY_INIT=y
+CONFIG_DEFAULT_FQ_CODEL=y
+CONFIG_DEFAULT_RENO=y
+CONFIG_DEFAULT_SECURITY_DAC=y
+CONFIG_DEVTMPFS=y
+CONFIG_DEVTMPFS_MOUNT=y
+CONFIG_DMA_CMA=y
+CONFIG_DNS_RESOLVER=y
+CONFIG_EFI=y
+CONFIG_EFI_STUB=y
+CONFIG_EXPERT=y
+CONFIG_EXT4_FS=y
+CONFIG_EXT4_FS_POSIX_ACL=y
+CONFIG_EXT4_FS_SECURITY=y
+CONFIG_FAIL_FUNCTION=y
+CONFIG_FAULT_INJECTION=y
+CONFIG_FAULT_INJECTION_DEBUG_FS=y
+CONFIG_FB=y
+CONFIG_FB_MODE_HELPERS=y
+CONFIG_FB_TILEBLITTING=y
+CONFIG_FB_VESA=y
+CONFIG_FONT_8x16=y
+CONFIG_FONT_MINI_4x6=y
+CONFIG_FONTS=y
+CONFIG_FRAMEBUFFER_CONSOLE=y
+CONFIG_FRAMEBUFFER_CONSOLE_DETECT_PRIMARY=y
+CONFIG_FRAMEBUFFER_CONSOLE_ROTATION=y
+CONFIG_FW_LOADER_USER_HELPER=y
+CONFIG_GART_IOMMU=y
+CONFIG_GENERIC_PHY=y
+CONFIG_HARDLOCKUP_DETECTOR=y
+CONFIG_HID_A4TECH=y
+CONFIG_HID_BELKIN=y
+CONFIG_HID_CHERRY=y
+CONFIG_HID_CYPRESS=y
+CONFIG_HID_DRAGONRISE=y
+CONFIG_HID_EZKEY=y
+CONFIG_HID_GREENASIA=y
+CONFIG_HID_GYRATION=y
+CONFIG_HID_KENSINGTON=y
+CONFIG_HID_KYE=y
+CONFIG_HID_MICROSOFT=y
+CONFIG_HID_MONTEREY=y
+CONFIG_HID_PANTHERLORD=y
+CONFIG_HID_PETALYNX=y
+CONFIG_HID_SMARTJOYPLUS=y
+CONFIG_HID_SUNPLUS=y
+CONFIG_HID_TOPSEED=y
+CONFIG_HID_TWINHAN=y
+CONFIG_HID_ZEROPLUS=y
+CONFIG_HIGH_RES_TIMERS=y
+CONFIG_HPET=y
+CONFIG_HUGETLBFS=y
+CONFIG_HWPOISON_INJECT=y
+CONFIG_HZ_1000=y
+CONFIG_INET=y
+CONFIG_INPUT_EVDEV=y
+CONFIG_INTEL_POWERCLAMP=y
+CONFIG_IP6_NF_IPTABLES=y
+CONFIG_IP_ADVANCED_ROUTER=y
+CONFIG_IP_MROUTE=y
+CONFIG_IP_MULTICAST=y
+CONFIG_IP_MULTIPLE_TABLES=y
+CONFIG_IP_NF_IPTABLES=y
+CONFIG_IP_PIMSM_V1=y
+CONFIG_IP_PIMSM_V2=y
+CONFIG_IP_ROUTE_MULTIPATH=y
+CONFIG_IP_ROUTE_VERBOSE=y
+CONFIG_IPV6_MIP6=y
+CONFIG_IPV6_ROUTE_INFO=y
+CONFIG_IPV6_ROUTER_PREF=y
+CONFIG_IPV6_SEG6_LWTUNNEL=y
+CONFIG_IPV6_SUBTREES=y
+CONFIG_IRQ_POLL=y
+CONFIG_JUMP_LABEL=y
+CONFIG_KARMA_PARTITION=y
+CONFIG_KEXEC=y
+CONFIG_KPROBES=y
+CONFIG_KSM=y
+CONFIG_LEGACY_VSYSCALL_NONE=y
+CONFIG_LOG_BUF_SHIFT=21
+CONFIG_LOG_CPU_MAX_BUF_SHIFT=0
+CONFIG_LOGO=y
+CONFIG_LSM="selinux,bpf,integrity"
+CONFIG_MAC_PARTITION=y
+CONFIG_MAGIC_SYSRQ=y
+CONFIG_MCORE2=y
+CONFIG_MEMCG=y
+CONFIG_MEMORY_FAILURE=y
+CONFIG_MINIX_SUBPARTITION=y
+CONFIG_NAMESPACES=y
+CONFIG_NET=y
+CONFIG_NET_9P=y
+CONFIG_NET_9P_VIRTIO=y
+CONFIG_NET_ACT_BPF=y
+CONFIG_NET_CLS_CGROUP=y
+CONFIG_NET_EMATCH=y
+CONFIG_NET_IPGRE_BROADCAST=y
+CONFIG_NET_L3_MASTER_DEV=y
+CONFIG_NET_SCH_DEFAULT=y
+CONFIG_NET_SCH_FQ_CODEL=y
+CONFIG_NET_TC_SKB_EXT=y
+CONFIG_NET_VRF=y
+CONFIG_NETDEVICES=y
+CONFIG_NETFILTER_NETLINK_LOG=y
+CONFIG_NETFILTER_NETLINK_QUEUE=y
+CONFIG_NETFILTER_XT_MATCH_BPF=y
+CONFIG_NETFILTER_XT_MATCH_STATISTIC=y
+CONFIG_NETLABEL=y
+CONFIG_NLS_ASCII=y
+CONFIG_NLS_CODEPAGE_437=y
+CONFIG_NLS_DEFAULT="utf8"
+CONFIG_NO_HZ=y
+CONFIG_NR_CPUS=128
+CONFIG_NUMA=y
+CONFIG_NUMA_BALANCING=y
+CONFIG_NVMEM=y
+CONFIG_OSF_PARTITION=y
+CONFIG_PACKET=y
+CONFIG_PANIC_ON_OOPS=y
+CONFIG_PARTITION_ADVANCED=y
+CONFIG_PCI=y
+CONFIG_PCI_IOV=y
+CONFIG_PCI_MSI=y
+CONFIG_PCIEPORTBUS=y
+CONFIG_PHYSICAL_ALIGN=0x1000000
+CONFIG_POSIX_MQUEUE=y
+CONFIG_POWER_SUPPLY=y
+CONFIG_PREEMPT=y
+CONFIG_PRINTK_TIME=y
+CONFIG_PROC_KCORE=y
+CONFIG_PROFILING=y
+CONFIG_PROVE_LOCKING=y
+CONFIG_PTP_1588_CLOCK=y
+CONFIG_RC_DEVICES=y
+CONFIG_RC_LOOPBACK=y
+CONFIG_RCU_CPU_STALL_TIMEOUT=60
+CONFIG_SCHED_STACK_END_CHECK=y
+CONFIG_SCHEDSTATS=y
+CONFIG_SECURITY_NETWORK=y
+CONFIG_SECURITY_SELINUX=y
+CONFIG_SERIAL_8250=y
+CONFIG_SERIAL_8250_CONSOLE=y
+CONFIG_SERIAL_8250_DETECT_IRQ=y
+CONFIG_SERIAL_8250_EXTENDED=y
+CONFIG_SERIAL_8250_MANY_PORTS=y
+CONFIG_SERIAL_8250_NR_UARTS=32
+CONFIG_SERIAL_8250_RSA=y
+CONFIG_SERIAL_8250_SHARE_IRQ=y
+CONFIG_SERIAL_NONSTANDARD=y
+CONFIG_SERIO_LIBPS2=y
+CONFIG_SGI_PARTITION=y
+CONFIG_SMP=y
+CONFIG_SOLARIS_X86_PARTITION=y
+CONFIG_SUN_PARTITION=y
+CONFIG_SYNC_FILE=y
+CONFIG_SYSVIPC=y
+CONFIG_TASK_DELAY_ACCT=y
+CONFIG_TASK_IO_ACCOUNTING=y
+CONFIG_TASK_XACCT=y
+CONFIG_TASKSTATS=y
+CONFIG_TCP_CONG_ADVANCED=y
+CONFIG_TCP_MD5SIG=y
+CONFIG_TLS=y
+CONFIG_TMPFS=y
+CONFIG_TMPFS_POSIX_ACL=y
+CONFIG_TRANSPARENT_HUGEPAGE=y
+CONFIG_TRANSPARENT_HUGEPAGE_MADVISE=y
+CONFIG_TUN=y
+CONFIG_UNIX=y
+CONFIG_UNIXWARE_DISKLABEL=y
+CONFIG_USER_NS=y
+CONFIG_VALIDATE_FS_PARSER=y
+CONFIG_VETH=y
+CONFIG_VIRT_DRIVERS=y
+CONFIG_VIRTIO_BALLOON=y
+CONFIG_VIRTIO_BLK=y
+CONFIG_VIRTIO_CONSOLE=y
+CONFIG_VIRTIO_NET=y
+CONFIG_VIRTIO_PCI=y
+CONFIG_VLAN_8021Q=y
+CONFIG_X86_ACPI_CPUFREQ=y
+CONFIG_X86_CPUID=y
+CONFIG_X86_MSR=y
+CONFIG_X86_POWERNOW_K8=y
+CONFIG_XDP_SOCKETS_DIAG=y
+CONFIG_XFRM_SUB_POLICY=y
+CONFIG_XFRM_USER=y
+CONFIG_ZEROPLUS_FF=y
diff --git a/tools/testing/selftests/bpf/flow_dissector_load.c b/tools/testing/selftests/bpf/flow_dissector_load.c
new file mode 100644
index 000000000..c8be64067
--- /dev/null
+++ b/tools/testing/selftests/bpf/flow_dissector_load.c
@@ -0,0 +1,111 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <error.h>
+#include <errno.h>
+#include <getopt.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <bpf/bpf.h>
+#include <bpf/libbpf.h>
+
+#include "flow_dissector_load.h"
+
+const char *cfg_pin_path = "/sys/fs/bpf/flow_dissector";
+const char *cfg_map_name = "jmp_table";
+bool cfg_attach = true;
+char *cfg_prog_name;
+char *cfg_path_name;
+
+static void load_and_attach_program(void)
+{
+	int prog_fd, ret;
+	struct bpf_object *obj;
+
+	/* Use libbpf 1.0 API mode */
+	libbpf_set_strict_mode(LIBBPF_STRICT_ALL);
+
+	ret = bpf_flow_load(&obj, cfg_path_name, cfg_prog_name,
+			    cfg_map_name, NULL, &prog_fd, NULL);
+	if (ret)
+		error(1, 0, "bpf_flow_load %s", cfg_path_name);
+
+	ret = bpf_prog_attach(prog_fd, 0 /* Ignore */, BPF_FLOW_DISSECTOR, 0);
+	if (ret)
+		error(1, 0, "bpf_prog_attach %s", cfg_path_name);
+
+	ret = bpf_object__pin(obj, cfg_pin_path);
+	if (ret)
+		error(1, 0, "bpf_object__pin %s", cfg_pin_path);
+}
+
+static void detach_program(void)
+{
+	char command[64];
+	int ret;
+
+	ret = bpf_prog_detach(0, BPF_FLOW_DISSECTOR);
+	if (ret)
+		error(1, 0, "bpf_prog_detach");
+
+	/* To unpin, it is necessary and sufficient to just remove this dir */
+	sprintf(command, "rm -r %s", cfg_pin_path);
+	ret = system(command);
+	if (ret)
+		error(1, errno, "%s", command);
+}
+
+static void parse_opts(int argc, char **argv)
+{
+	bool attach = false;
+	bool detach = false;
+	int c;
+
+	while ((c = getopt(argc, argv, "adp:s:")) != -1) {
+		switch (c) {
+		case 'a':
+			if (detach)
+				error(1, 0, "attach/detach are exclusive");
+			attach = true;
+			break;
+		case 'd':
+			if (attach)
+				error(1, 0, "attach/detach are exclusive");
+			detach = true;
+			break;
+		case 'p':
+			if (cfg_path_name)
+				error(1, 0, "only one path can be given");
+
+			cfg_path_name = optarg;
+			break;
+		case 's':
+			if (cfg_prog_name)
+				error(1, 0, "only one prog can be given");
+
+			cfg_prog_name = optarg;
+			break;
+		}
+	}
+
+	if (detach)
+		cfg_attach = false;
+
+	if (cfg_attach && !cfg_path_name)
+		error(1, 0, "must provide a path to the BPF program");
+
+	if (cfg_attach && !cfg_prog_name)
+		error(1, 0, "must provide a section name");
+}
+
+int main(int argc, char **argv)
+{
+	parse_opts(argc, argv);
+	if (cfg_attach)
+		load_and_attach_program();
+	else
+		detach_program();
+	return 0;
+}
diff --git a/tools/testing/selftests/bpf/flow_dissector_load.h b/tools/testing/selftests/bpf/flow_dissector_load.h
new file mode 100644
index 000000000..f40b585f4
--- /dev/null
+++ b/tools/testing/selftests/bpf/flow_dissector_load.h
@@ -0,0 +1,68 @@
+/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) */
+#ifndef FLOW_DISSECTOR_LOAD
+#define FLOW_DISSECTOR_LOAD
+
+#include <bpf/bpf.h>
+#include <bpf/libbpf.h>
+#include "testing_helpers.h"
+
+static inline int bpf_flow_load(struct bpf_object **obj,
+				const char *path,
+				const char *prog_name,
+				const char *map_name,
+				const char *keys_map_name,
+				int *prog_fd,
+				int *keys_fd)
+{
+	struct bpf_program *prog, *main_prog;
+	struct bpf_map *prog_array, *keys;
+	int prog_array_fd;
+	int ret, fd, i;
+
+	ret = bpf_prog_test_load(path, BPF_PROG_TYPE_FLOW_DISSECTOR, obj,
+			    prog_fd);
+	if (ret)
+		return ret;
+
+	main_prog = bpf_object__find_program_by_name(*obj, prog_name);
+	if (!main_prog)
+		return -1;
+
+	*prog_fd = bpf_program__fd(main_prog);
+	if (*prog_fd < 0)
+		return -1;
+
+	prog_array = bpf_object__find_map_by_name(*obj, map_name);
+	if (!prog_array)
+		return -1;
+
+	prog_array_fd = bpf_map__fd(prog_array);
+	if (prog_array_fd < 0)
+		return -1;
+
+	if (keys_map_name && keys_fd) {
+		keys = bpf_object__find_map_by_name(*obj, keys_map_name);
+		if (!keys)
+			return -1;
+
+		*keys_fd = bpf_map__fd(keys);
+		if (*keys_fd < 0)
+			return -1;
+	}
+
+	i = 0;
+	bpf_object__for_each_program(prog, *obj) {
+		fd = bpf_program__fd(prog);
+		if (fd < 0)
+			return fd;
+
+		if (fd != *prog_fd) {
+			bpf_map_update_elem(prog_array_fd, &i, &fd, BPF_ANY);
+			++i;
+		}
+	}
+
+	return 0;
+}
+
+#endif /* FLOW_DISSECTOR_LOAD */
diff --git a/tools/testing/selftests/bpf/get_cgroup_id_user.c b/tools/testing/selftests/bpf/get_cgroup_id_user.c
new file mode 100644
index 000000000..156743cf5
--- /dev/null
+++ b/tools/testing/selftests/bpf/get_cgroup_id_user.c
@@ -0,0 +1,146 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (c) 2018 Facebook
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <syscall.h>
+#include <unistd.h>
+#include <linux/perf_event.h>
+#include <sys/ioctl.h>
+#include <sys/time.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+
+#include <linux/bpf.h>
+#include <bpf/bpf.h>
+#include <bpf/libbpf.h>
+
+#include "cgroup_helpers.h"
+#include "testing_helpers.h"
+
+#define CHECK(condition, tag, format...) ({		\
+	int __ret = !!(condition);			\
+	if (__ret) {					\
+		printf("%s:FAIL:%s ", __func__, tag);	\
+		printf(format);				\
+	} else {					\
+		printf("%s:PASS:%s\n", __func__, tag);	\
+	}						\
+	__ret;						\
+})
+
+static int bpf_find_map(const char *test, struct bpf_object *obj,
+			const char *name)
+{
+	struct bpf_map *map;
+
+	map = bpf_object__find_map_by_name(obj, name);
+	if (!map)
+		return -1;
+	return bpf_map__fd(map);
+}
+
+#define TEST_CGROUP "/test-bpf-get-cgroup-id/"
+
+int main(int argc, char **argv)
+{
+	const char *probe_name = "syscalls/sys_enter_nanosleep";
+	const char *file = "get_cgroup_id_kern.bpf.o";
+	int err, bytes, efd, prog_fd, pmu_fd;
+	int cgroup_fd, cgidmap_fd, pidmap_fd;
+	struct perf_event_attr attr = {};
+	struct bpf_object *obj;
+	__u64 kcgid = 0, ucgid;
+	__u32 key = 0, pid;
+	int exit_code = 1;
+	char buf[256];
+	const struct timespec req = {
+		.tv_sec = 1,
+		.tv_nsec = 0,
+	};
+
+	cgroup_fd = cgroup_setup_and_join(TEST_CGROUP);
+	if (CHECK(cgroup_fd < 0, "cgroup_setup_and_join", "err %d errno %d\n", cgroup_fd, errno))
+		return 1;
+
+	/* Use libbpf 1.0 API mode */
+	libbpf_set_strict_mode(LIBBPF_STRICT_ALL);
+
+	err = bpf_prog_test_load(file, BPF_PROG_TYPE_TRACEPOINT, &obj, &prog_fd);
+	if (CHECK(err, "bpf_prog_test_load", "err %d errno %d\n", err, errno))
+		goto cleanup_cgroup_env;
+
+	cgidmap_fd = bpf_find_map(__func__, obj, "cg_ids");
+	if (CHECK(cgidmap_fd < 0, "bpf_find_map", "err %d errno %d\n",
+		  cgidmap_fd, errno))
+		goto close_prog;
+
+	pidmap_fd = bpf_find_map(__func__, obj, "pidmap");
+	if (CHECK(pidmap_fd < 0, "bpf_find_map", "err %d errno %d\n",
+		  pidmap_fd, errno))
+		goto close_prog;
+
+	pid = getpid();
+	bpf_map_update_elem(pidmap_fd, &key, &pid, 0);
+
+	snprintf(buf, sizeof(buf),
+		 "/sys/kernel/debug/tracing/events/%s/id", probe_name);
+	efd = open(buf, O_RDONLY, 0);
+	if (CHECK(efd < 0, "open", "err %d errno %d\n", efd, errno))
+		goto close_prog;
+	bytes = read(efd, buf, sizeof(buf));
+	close(efd);
+	if (CHECK(bytes <= 0 || bytes >= sizeof(buf), "read",
+		  "bytes %d errno %d\n", bytes, errno))
+		goto close_prog;
+
+	attr.config = strtol(buf, NULL, 0);
+	attr.type = PERF_TYPE_TRACEPOINT;
+	attr.sample_type = PERF_SAMPLE_RAW;
+	attr.sample_period = 1;
+	attr.wakeup_events = 1;
+
+	/* attach to this pid so the all bpf invocations will be in the
+	 * cgroup associated with this pid.
+	 */
+	pmu_fd = syscall(__NR_perf_event_open, &attr, getpid(), -1, -1, 0);
+	if (CHECK(pmu_fd < 0, "perf_event_open", "err %d errno %d\n", pmu_fd,
+		  errno))
+		goto close_prog;
+
+	err = ioctl(pmu_fd, PERF_EVENT_IOC_ENABLE, 0);
+	if (CHECK(err, "perf_event_ioc_enable", "err %d errno %d\n", err,
+		  errno))
+		goto close_pmu;
+
+	err = ioctl(pmu_fd, PERF_EVENT_IOC_SET_BPF, prog_fd);
+	if (CHECK(err, "perf_event_ioc_set_bpf", "err %d errno %d\n", err,
+		  errno))
+		goto close_pmu;
+
+	/* trigger some syscalls */
+	syscall(__NR_nanosleep, &req, NULL);
+
+	err = bpf_map_lookup_elem(cgidmap_fd, &key, &kcgid);
+	if (CHECK(err, "bpf_map_lookup_elem", "err %d errno %d\n", err, errno))
+		goto close_pmu;
+
+	ucgid = get_cgroup_id(TEST_CGROUP);
+	if (CHECK(kcgid != ucgid, "compare_cgroup_id",
+		  "kern cgid %llx user cgid %llx", kcgid, ucgid))
+		goto close_pmu;
+
+	exit_code = 0;
+	printf("%s:PASS\n", argv[0]);
+
+close_pmu:
+	close(pmu_fd);
+close_prog:
+	bpf_object__close(obj);
+cleanup_cgroup_env:
+	cleanup_cgroup_environment();
+	return exit_code;
+}
diff --git a/tools/testing/selftests/bpf/gnu/stubs.h b/tools/testing/selftests/bpf/gnu/stubs.h
new file mode 100644
index 000000000..719225b16
--- /dev/null
+++ b/tools/testing/selftests/bpf/gnu/stubs.h
@@ -0,0 +1 @@
+/* dummy .h to trick /usr/include/features.h to work with 'clang -target bpf' */
diff --git a/tools/testing/selftests/bpf/ima_setup.sh b/tools/testing/selftests/bpf/ima_setup.sh
new file mode 100755
index 000000000..8ecead4cc
--- /dev/null
+++ b/tools/testing/selftests/bpf/ima_setup.sh
@@ -0,0 +1,156 @@
+#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
+
+set -e
+set -u
+set -o pipefail
+
+IMA_POLICY_FILE="/sys/kernel/security/ima/policy"
+TEST_BINARY="/bin/true"
+VERBOSE="${SELFTESTS_VERBOSE:=0}"
+LOG_FILE="$(mktemp /tmp/ima_setup.XXXX.log)"
+
+usage()
+{
+	echo "Usage: $0 <setup|cleanup|run|modify-bin|restore-bin|load-policy> <existing_tmp_dir>"
+	exit 1
+}
+
+ensure_mount_securityfs()
+{
+	local securityfs_dir=$(grep "securityfs" /proc/mounts | awk '{print $2}')
+
+	if [ -z "${securityfs_dir}" ]; then
+		securityfs_dir=/sys/kernel/security
+		mount -t securityfs security "${securityfs_dir}"
+	fi
+
+	if [ ! -d "${securityfs_dir}" ]; then
+		echo "${securityfs_dir}: securityfs is not mounted" && exit 1
+	fi
+}
+
+setup()
+{
+	local tmp_dir="$1"
+	local mount_img="${tmp_dir}/test.img"
+	local mount_dir="${tmp_dir}/mnt"
+	local copied_bin_path="${mount_dir}/$(basename ${TEST_BINARY})"
+	mkdir -p ${mount_dir}
+
+	dd if=/dev/zero of="${mount_img}" bs=1M count=10
+
+	losetup -f "${mount_img}"
+	local loop_device=$(losetup -a | grep ${mount_img:?} | cut -d ":" -f1)
+
+	mkfs.ext2 "${loop_device:?}"
+	mount "${loop_device}" "${mount_dir}"
+
+	cp "${TEST_BINARY}" "${mount_dir}"
+	local mount_uuid="$(blkid ${loop_device} | sed 's/.*UUID="\([^"]*\)".*/\1/')"
+
+	ensure_mount_securityfs
+	echo "measure func=BPRM_CHECK fsuuid=${mount_uuid}" > ${IMA_POLICY_FILE}
+	echo "measure func=BPRM_CHECK fsuuid=${mount_uuid}" > ${mount_dir}/policy_test
+}
+
+cleanup() {
+	local tmp_dir="$1"
+	local mount_img="${tmp_dir}/test.img"
+	local mount_dir="${tmp_dir}/mnt"
+
+	local loop_devices=$(losetup -a | grep ${mount_img:?} | cut -d ":" -f1)
+
+	for loop_dev in "${loop_devices}"; do
+		losetup -d $loop_dev
+	done
+
+	umount ${mount_dir}
+	rm -rf ${tmp_dir}
+}
+
+run()
+{
+	local tmp_dir="$1"
+	local mount_dir="${tmp_dir}/mnt"
+	local copied_bin_path="${mount_dir}/$(basename ${TEST_BINARY})"
+
+	exec "${copied_bin_path}"
+}
+
+modify_bin()
+{
+	local tmp_dir="$1"
+	local mount_dir="${tmp_dir}/mnt"
+	local copied_bin_path="${mount_dir}/$(basename ${TEST_BINARY})"
+
+	echo "mod" >> "${copied_bin_path}"
+}
+
+restore_bin()
+{
+	local tmp_dir="$1"
+	local mount_dir="${tmp_dir}/mnt"
+	local copied_bin_path="${mount_dir}/$(basename ${TEST_BINARY})"
+
+	truncate -s -4 "${copied_bin_path}"
+}
+
+load_policy()
+{
+	local tmp_dir="$1"
+	local mount_dir="${tmp_dir}/mnt"
+
+	echo ${mount_dir}/policy_test > ${IMA_POLICY_FILE} 2> /dev/null
+}
+
+catch()
+{
+	local exit_code="$1"
+	local log_file="$2"
+
+	if [[ "${exit_code}" -ne 0 ]]; then
+		cat "${log_file}" >&3
+	fi
+
+	rm -f "${log_file}"
+	exit ${exit_code}
+}
+
+main()
+{
+	[[ $# -ne 2 ]] && usage
+
+	local action="$1"
+	local tmp_dir="$2"
+
+	[[ ! -d "${tmp_dir}" ]] && echo "Directory ${tmp_dir} doesn't exist" && exit 1
+
+	if [[ "${action}" == "setup" ]]; then
+		setup "${tmp_dir}"
+	elif [[ "${action}" == "cleanup" ]]; then
+		cleanup "${tmp_dir}"
+	elif [[ "${action}" == "run" ]]; then
+		run "${tmp_dir}"
+	elif [[ "${action}" == "modify-bin" ]]; then
+		modify_bin "${tmp_dir}"
+	elif [[ "${action}" == "restore-bin" ]]; then
+		restore_bin "${tmp_dir}"
+	elif [[ "${action}" == "load-policy" ]]; then
+		load_policy "${tmp_dir}"
+	else
+		echo "Unknown action: ${action}"
+		exit 1
+	fi
+}
+
+trap 'catch "$?" "${LOG_FILE}"' EXIT
+
+if [[ "${VERBOSE}" -eq 0 ]]; then
+	# Save the stderr to 3 so that we can output back to
+	# it incase of an error.
+	exec 3>&2 1>"${LOG_FILE}" 2>&1
+fi
+
+main "$@"
+rm -f "${LOG_FILE}"
diff --git a/tools/testing/selftests/bpf/map_tests/.gitignore b/tools/testing/selftests/bpf/map_tests/.gitignore
new file mode 100644
index 000000000..89c4a3d37
--- /dev/null
+++ b/tools/testing/selftests/bpf/map_tests/.gitignore
@@ -0,0 +1,2 @@
+# SPDX-License-Identifier: GPL-2.0-only
+tests.h
diff --git a/tools/testing/selftests/bpf/map_tests/array_map_batch_ops.c b/tools/testing/selftests/bpf/map_tests/array_map_batch_ops.c
new file mode 100644
index 000000000..b59555631
--- /dev/null
+++ b/tools/testing/selftests/bpf/map_tests/array_map_batch_ops.c
@@ -0,0 +1,165 @@
+// SPDX-License-Identifier: GPL-2.0
+
+#include <stdio.h>
+#include <errno.h>
+#include <string.h>
+#include <unistd.h>
+
+#include <bpf/bpf.h>
+#include <bpf/libbpf.h>
+
+#include <test_maps.h>
+
+static int nr_cpus;
+
+static void map_batch_update(int map_fd, __u32 max_entries, int *keys,
+			     __s64 *values, bool is_pcpu)
+{
+	int i, j, err;
+	int cpu_offset = 0;
+	DECLARE_LIBBPF_OPTS(bpf_map_batch_opts, opts,
+		.elem_flags = 0,
+		.flags = 0,
+	);
+
+	for (i = 0; i < max_entries; i++) {
+		keys[i] = i;
+		if (is_pcpu) {
+			cpu_offset = i * nr_cpus;
+			for (j = 0; j < nr_cpus; j++)
+				(values + cpu_offset)[j] = i + 1 + j;
+		} else {
+			values[i] = i + 1;
+		}
+	}
+
+	err = bpf_map_update_batch(map_fd, keys, values, &max_entries, &opts);
+	CHECK(err, "bpf_map_update_batch()", "error:%s\n", strerror(errno));
+}
+
+static void map_batch_verify(int *visited, __u32 max_entries, int *keys,
+			     __s64 *values, bool is_pcpu)
+{
+	int i, j;
+	int cpu_offset = 0;
+
+	memset(visited, 0, max_entries * sizeof(*visited));
+	for (i = 0; i < max_entries; i++) {
+		if (is_pcpu) {
+			cpu_offset = i * nr_cpus;
+			for (j = 0; j < nr_cpus; j++) {
+				__s64 value = (values + cpu_offset)[j];
+				CHECK(keys[i] + j + 1 != value,
+				      "key/value checking",
+				      "error: i %d j %d key %d value %lld\n", i,
+				      j, keys[i], value);
+			}
+		} else {
+			CHECK(keys[i] + 1 != values[i], "key/value checking",
+			      "error: i %d key %d value %lld\n", i, keys[i],
+			      values[i]);
+		}
+		visited[i] = 1;
+	}
+	for (i = 0; i < max_entries; i++) {
+		CHECK(visited[i] != 1, "visited checking",
+		      "error: keys array at index %d missing\n", i);
+	}
+}
+
+static void __test_map_lookup_and_update_batch(bool is_pcpu)
+{
+	int map_fd, *keys, *visited;
+	__u32 count, total, total_success;
+	const __u32 max_entries = 10;
+	__u64 batch = 0;
+	int err, step, value_size;
+	void *values;
+	DECLARE_LIBBPF_OPTS(bpf_map_batch_opts, opts,
+		.elem_flags = 0,
+		.flags = 0,
+	);
+
+	map_fd = bpf_map_create(is_pcpu ? BPF_MAP_TYPE_PERCPU_ARRAY : BPF_MAP_TYPE_ARRAY,
+				"array_map", sizeof(int), sizeof(__s64), max_entries, NULL);
+	CHECK(map_fd == -1,
+	      "bpf_map_create()", "error:%s\n", strerror(errno));
+
+	value_size = sizeof(__s64);
+	if (is_pcpu)
+		value_size *= nr_cpus;
+
+	keys = calloc(max_entries, sizeof(*keys));
+	values = calloc(max_entries, value_size);
+	visited = calloc(max_entries, sizeof(*visited));
+	CHECK(!keys || !values || !visited, "malloc()", "error:%s\n",
+	      strerror(errno));
+
+	/* test 1: lookup in a loop with various steps. */
+	total_success = 0;
+	for (step = 1; step < max_entries; step++) {
+		map_batch_update(map_fd, max_entries, keys, values, is_pcpu);
+		map_batch_verify(visited, max_entries, keys, values, is_pcpu);
+		memset(keys, 0, max_entries * sizeof(*keys));
+		memset(values, 0, max_entries * value_size);
+		batch = 0;
+		total = 0;
+		/* iteratively lookup/delete elements with 'step'
+		 * elements each.
+		 */
+		count = step;
+		while (true) {
+			err = bpf_map_lookup_batch(map_fd,
+						   total ? &batch : NULL,
+						   &batch, keys + total,
+						   values + total * value_size,
+						   &count, &opts);
+
+			CHECK((err && errno != ENOENT), "lookup with steps",
+			      "error: %s\n", strerror(errno));
+
+			total += count;
+			if (err)
+				break;
+
+		}
+
+		CHECK(total != max_entries, "lookup with steps",
+		      "total = %u, max_entries = %u\n", total, max_entries);
+
+		map_batch_verify(visited, max_entries, keys, values, is_pcpu);
+
+		total_success++;
+	}
+
+	CHECK(total_success == 0, "check total_success",
+	      "unexpected failure\n");
+
+	free(keys);
+	free(values);
+	free(visited);
+	close(map_fd);
+}
+
+static void array_map_batch_ops(void)
+{
+	__test_map_lookup_and_update_batch(false);
+	printf("test_%s:PASS\n", __func__);
+}
+
+static void array_percpu_map_batch_ops(void)
+{
+	__test_map_lookup_and_update_batch(true);
+	printf("test_%s:PASS\n", __func__);
+}
+
+void test_array_map_batch_ops(void)
+{
+	nr_cpus = libbpf_num_possible_cpus();
+
+	CHECK(nr_cpus < 0, "nr_cpus checking",
+	      "error: get possible cpus failed");
+
+	array_map_batch_ops();
+	array_percpu_map_batch_ops();
+}
diff --git a/tools/testing/selftests/bpf/map_tests/htab_map_batch_ops.c b/tools/testing/selftests/bpf/map_tests/htab_map_batch_ops.c
new file mode 100644
index 000000000..1230ccf90
--- /dev/null
+++ b/tools/testing/selftests/bpf/map_tests/htab_map_batch_ops.c
@@ -0,0 +1,278 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2019 Facebook  */
+#include <stdio.h>
+#include <errno.h>
+#include <string.h>
+#include <unistd.h>
+
+#include <bpf/bpf.h>
+#include <bpf/libbpf.h>
+
+#include <bpf_util.h>
+#include <test_maps.h>
+
+static void map_batch_update(int map_fd, __u32 max_entries, int *keys,
+			     void *values, bool is_pcpu)
+{
+	typedef BPF_DECLARE_PERCPU(int, value);
+	value *v = NULL;
+	int i, j, err;
+	DECLARE_LIBBPF_OPTS(bpf_map_batch_opts, opts,
+		.elem_flags = 0,
+		.flags = 0,
+	);
+
+	if (is_pcpu)
+		v = (value *)values;
+
+	for (i = 0; i < max_entries; i++) {
+		keys[i] = i + 1;
+		if (is_pcpu)
+			for (j = 0; j < bpf_num_possible_cpus(); j++)
+				bpf_percpu(v[i], j) = i + 2 + j;
+		else
+			((int *)values)[i] = i + 2;
+	}
+
+	err = bpf_map_update_batch(map_fd, keys, values, &max_entries, &opts);
+	CHECK(err, "bpf_map_update_batch()", "error:%s\n", strerror(errno));
+}
+
+static void map_batch_verify(int *visited, __u32 max_entries,
+			     int *keys, void *values, bool is_pcpu)
+{
+	typedef BPF_DECLARE_PERCPU(int, value);
+	value *v = NULL;
+	int i, j;
+
+	if (is_pcpu)
+		v = (value *)values;
+
+	memset(visited, 0, max_entries * sizeof(*visited));
+	for (i = 0; i < max_entries; i++) {
+
+		if (is_pcpu) {
+			for (j = 0; j < bpf_num_possible_cpus(); j++) {
+				CHECK(keys[i] + 1 + j != bpf_percpu(v[i], j),
+				      "key/value checking",
+				      "error: i %d j %d key %d value %d\n",
+				      i, j, keys[i], bpf_percpu(v[i],  j));
+			}
+		} else {
+			CHECK(keys[i] + 1 != ((int *)values)[i],
+			      "key/value checking",
+			      "error: i %d key %d value %d\n", i, keys[i],
+			      ((int *)values)[i]);
+		}
+
+		visited[i] = 1;
+
+	}
+	for (i = 0; i < max_entries; i++) {
+		CHECK(visited[i] != 1, "visited checking",
+		      "error: keys array at index %d missing\n", i);
+	}
+}
+
+void __test_map_lookup_and_delete_batch(bool is_pcpu)
+{
+	__u32 batch, count, total, total_success;
+	typedef BPF_DECLARE_PERCPU(int, value);
+	int map_fd, *keys, *visited, key;
+	const __u32 max_entries = 10;
+	value pcpu_values[max_entries];
+	int err, step, value_size;
+	bool nospace_err;
+	void *values;
+	DECLARE_LIBBPF_OPTS(bpf_map_batch_opts, opts,
+		.elem_flags = 0,
+		.flags = 0,
+	);
+
+	map_fd = bpf_map_create(is_pcpu ? BPF_MAP_TYPE_PERCPU_HASH : BPF_MAP_TYPE_HASH,
+				"hash_map", sizeof(int), sizeof(int), max_entries, NULL);
+	CHECK(map_fd == -1,
+	      "bpf_map_create()", "error:%s\n", strerror(errno));
+
+	value_size = is_pcpu ? sizeof(value) : sizeof(int);
+	keys = malloc(max_entries * sizeof(int));
+	if (is_pcpu)
+		values = pcpu_values;
+	else
+		values = malloc(max_entries * sizeof(int));
+	visited = malloc(max_entries * sizeof(int));
+	CHECK(!keys || !values || !visited, "malloc()",
+	      "error:%s\n", strerror(errno));
+
+	/* test 1: lookup/delete an empty hash table, -ENOENT */
+	count = max_entries;
+	err = bpf_map_lookup_and_delete_batch(map_fd, NULL, &batch, keys,
+					      values, &count, &opts);
+	CHECK((err && errno != ENOENT), "empty map",
+	      "error: %s\n", strerror(errno));
+
+	/* populate elements to the map */
+	map_batch_update(map_fd, max_entries, keys, values, is_pcpu);
+
+	/* test 2: lookup/delete with count = 0, success */
+	count = 0;
+	err = bpf_map_lookup_and_delete_batch(map_fd, NULL, &batch, keys,
+					      values, &count, &opts);
+	CHECK(err, "count = 0", "error: %s\n", strerror(errno));
+
+	/* test 3: lookup/delete with count = max_entries, success */
+	memset(keys, 0, max_entries * sizeof(*keys));
+	memset(values, 0, max_entries * value_size);
+	count = max_entries;
+	err = bpf_map_lookup_and_delete_batch(map_fd, NULL, &batch, keys,
+					      values, &count, &opts);
+	CHECK((err && errno != ENOENT), "count = max_entries",
+	       "error: %s\n", strerror(errno));
+	CHECK(count != max_entries, "count = max_entries",
+	      "count = %u, max_entries = %u\n", count, max_entries);
+	map_batch_verify(visited, max_entries, keys, values, is_pcpu);
+
+	/* bpf_map_get_next_key() should return -ENOENT for an empty map. */
+	err = bpf_map_get_next_key(map_fd, NULL, &key);
+	CHECK(!err, "bpf_map_get_next_key()", "error: %s\n", strerror(errno));
+
+	/* test 4: lookup/delete in a loop with various steps. */
+	total_success = 0;
+	for (step = 1; step < max_entries; step++) {
+		map_batch_update(map_fd, max_entries, keys, values, is_pcpu);
+		memset(keys, 0, max_entries * sizeof(*keys));
+		memset(values, 0, max_entries * value_size);
+		total = 0;
+		/* iteratively lookup/delete elements with 'step'
+		 * elements each
+		 */
+		count = step;
+		nospace_err = false;
+		while (true) {
+			err = bpf_map_lookup_batch(map_fd,
+						   total ? &batch : NULL,
+						   &batch, keys + total,
+						   values +
+						   total * value_size,
+						   &count, &opts);
+			/* It is possible that we are failing due to buffer size
+			 * not big enough. In such cases, let us just exit and
+			 * go with large steps. Not that a buffer size with
+			 * max_entries should always work.
+			 */
+			if (err && errno == ENOSPC) {
+				nospace_err = true;
+				break;
+			}
+
+			CHECK((err && errno != ENOENT), "lookup with steps",
+			      "error: %s\n", strerror(errno));
+
+			total += count;
+			if (err)
+				break;
+
+		}
+		if (nospace_err == true)
+			continue;
+
+		CHECK(total != max_entries, "lookup with steps",
+		      "total = %u, max_entries = %u\n", total, max_entries);
+		map_batch_verify(visited, max_entries, keys, values, is_pcpu);
+
+		total = 0;
+		count = step;
+		while (total < max_entries) {
+			if (max_entries - total < step)
+				count = max_entries - total;
+			err = bpf_map_delete_batch(map_fd,
+						   keys + total,
+						   &count, &opts);
+			CHECK((err && errno != ENOENT), "delete batch",
+			      "error: %s\n", strerror(errno));
+			total += count;
+			if (err)
+				break;
+		}
+		CHECK(total != max_entries, "delete with steps",
+		      "total = %u, max_entries = %u\n", total, max_entries);
+
+		/* check map is empty, errono == ENOENT */
+		err = bpf_map_get_next_key(map_fd, NULL, &key);
+		CHECK(!err || errno != ENOENT, "bpf_map_get_next_key()",
+		      "error: %s\n", strerror(errno));
+
+		/* iteratively lookup/delete elements with 'step'
+		 * elements each
+		 */
+		map_batch_update(map_fd, max_entries, keys, values, is_pcpu);
+		memset(keys, 0, max_entries * sizeof(*keys));
+		memset(values, 0, max_entries * value_size);
+		total = 0;
+		count = step;
+		nospace_err = false;
+		while (true) {
+			err = bpf_map_lookup_and_delete_batch(map_fd,
+							total ? &batch : NULL,
+							&batch, keys + total,
+							values +
+							total * value_size,
+							&count, &opts);
+			/* It is possible that we are failing due to buffer size
+			 * not big enough. In such cases, let us just exit and
+			 * go with large steps. Not that a buffer size with
+			 * max_entries should always work.
+			 */
+			if (err && errno == ENOSPC) {
+				nospace_err = true;
+				break;
+			}
+
+			CHECK((err && errno != ENOENT), "lookup with steps",
+			      "error: %s\n", strerror(errno));
+
+			total += count;
+			if (err)
+				break;
+		}
+
+		if (nospace_err == true)
+			continue;
+
+		CHECK(total != max_entries, "lookup/delete with steps",
+		      "total = %u, max_entries = %u\n", total, max_entries);
+
+		map_batch_verify(visited, max_entries, keys, values, is_pcpu);
+		err = bpf_map_get_next_key(map_fd, NULL, &key);
+		CHECK(!err, "bpf_map_get_next_key()", "error: %s\n",
+		      strerror(errno));
+
+		total_success++;
+	}
+
+	CHECK(total_success == 0, "check total_success",
+	      "unexpected failure\n");
+	free(keys);
+	free(visited);
+	if (!is_pcpu)
+		free(values);
+	close(map_fd);
+}
+
+void htab_map_batch_ops(void)
+{
+	__test_map_lookup_and_delete_batch(false);
+	printf("test_%s:PASS\n", __func__);
+}
+
+void htab_percpu_map_batch_ops(void)
+{
+	__test_map_lookup_and_delete_batch(true);
+	printf("test_%s:PASS\n", __func__);
+}
+
+void test_htab_map_batch_ops(void)
+{
+	htab_map_batch_ops();
+	htab_percpu_map_batch_ops();
+}
diff --git a/tools/testing/selftests/bpf/map_tests/lpm_trie_map_batch_ops.c b/tools/testing/selftests/bpf/map_tests/lpm_trie_map_batch_ops.c
new file mode 100644
index 000000000..b66d56ddb
--- /dev/null
+++ b/tools/testing/selftests/bpf/map_tests/lpm_trie_map_batch_ops.c
@@ -0,0 +1,155 @@
+// SPDX-License-Identifier: GPL-2.0
+
+#include <arpa/inet.h>
+#include <linux/bpf.h>
+#include <netinet/in.h>
+#include <stdio.h>
+#include <errno.h>
+#include <string.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+#include <bpf/bpf.h>
+#include <bpf/libbpf.h>
+
+#include <test_maps.h>
+
+struct test_lpm_key {
+	__u32 prefix;
+	struct in_addr ipv4;
+};
+
+static void map_batch_update(int map_fd, __u32 max_entries,
+			     struct test_lpm_key *keys, int *values)
+{
+	__u32 i;
+	int err;
+	char buff[16] = { 0 };
+	DECLARE_LIBBPF_OPTS(bpf_map_batch_opts, opts,
+		.elem_flags = 0,
+		.flags = 0,
+	);
+
+	for (i = 0; i < max_entries; i++) {
+		keys[i].prefix = 32;
+		snprintf(buff, 16, "192.168.1.%d", i + 1);
+		inet_pton(AF_INET, buff, &keys[i].ipv4);
+		values[i] = i + 1;
+	}
+
+	err = bpf_map_update_batch(map_fd, keys, values, &max_entries, &opts);
+	CHECK(err, "bpf_map_update_batch()", "error:%s\n", strerror(errno));
+}
+
+static void map_batch_verify(int *visited, __u32 max_entries,
+			     struct test_lpm_key *keys, int *values)
+{
+	char buff[16] = { 0 };
+	int lower_byte = 0;
+	__u32 i;
+
+	memset(visited, 0, max_entries * sizeof(*visited));
+	for (i = 0; i < max_entries; i++) {
+		inet_ntop(AF_INET, &keys[i].ipv4, buff, 32);
+		CHECK(sscanf(buff, "192.168.1.%d", &lower_byte) == EOF,
+		      "sscanf()", "error: i %d\n", i);
+		CHECK(lower_byte != values[i], "key/value checking",
+		      "error: i %d key %s value %d\n", i, buff, values[i]);
+		visited[i] = 1;
+	}
+	for (i = 0; i < max_entries; i++) {
+		CHECK(visited[i] != 1, "visited checking",
+		      "error: keys array at index %d missing\n", i);
+	}
+}
+
+void test_lpm_trie_map_batch_ops(void)
+{
+	LIBBPF_OPTS(bpf_map_create_opts, create_opts, .map_flags = BPF_F_NO_PREALLOC);
+	struct test_lpm_key *keys, key;
+	int map_fd, *values, *visited;
+	__u32 step, count, total, total_success;
+	const __u32 max_entries = 10;
+	__u64 batch = 0;
+	int err;
+	DECLARE_LIBBPF_OPTS(bpf_map_batch_opts, opts,
+		.elem_flags = 0,
+		.flags = 0,
+	);
+
+	map_fd = bpf_map_create(BPF_MAP_TYPE_LPM_TRIE, "lpm_trie_map",
+				sizeof(struct test_lpm_key), sizeof(int),
+				max_entries, &create_opts);
+	CHECK(map_fd == -1, "bpf_map_create()", "error:%s\n",
+	      strerror(errno));
+
+	keys = malloc(max_entries * sizeof(struct test_lpm_key));
+	values = malloc(max_entries * sizeof(int));
+	visited = malloc(max_entries * sizeof(int));
+	CHECK(!keys || !values || !visited, "malloc()", "error:%s\n",
+	      strerror(errno));
+
+	total_success = 0;
+	for (step = 1; step < max_entries; step++) {
+		map_batch_update(map_fd, max_entries, keys, values);
+		map_batch_verify(visited, max_entries, keys, values);
+		memset(keys, 0, max_entries * sizeof(*keys));
+		memset(values, 0, max_entries * sizeof(*values));
+		batch = 0;
+		total = 0;
+		/* iteratively lookup/delete elements with 'step'
+		 * elements each.
+		 */
+		count = step;
+		while (true) {
+			err = bpf_map_lookup_batch(map_fd,
+				total ? &batch : NULL, &batch,
+				keys + total, values + total, &count, &opts);
+
+			CHECK((err && errno != ENOENT), "lookup with steps",
+			      "error: %s\n", strerror(errno));
+
+			total += count;
+			if (err)
+				break;
+		}
+
+		CHECK(total != max_entries, "lookup with steps",
+		      "total = %u, max_entries = %u\n", total, max_entries);
+
+		map_batch_verify(visited, max_entries, keys, values);
+
+		total = 0;
+		count = step;
+		while (total < max_entries) {
+			if (max_entries - total < step)
+				count = max_entries - total;
+			err = bpf_map_delete_batch(map_fd, keys + total, &count,
+						   &opts);
+			CHECK((err && errno != ENOENT), "delete batch",
+			      "error: %s\n", strerror(errno));
+			total += count;
+			if (err)
+				break;
+		}
+		CHECK(total != max_entries, "delete with steps",
+		      "total = %u, max_entries = %u\n", total, max_entries);
+
+		/* check map is empty, errono == ENOENT */
+		err = bpf_map_get_next_key(map_fd, NULL, &key);
+		CHECK(!err || errno != ENOENT, "bpf_map_get_next_key()",
+		      "error: %s\n", strerror(errno));
+
+		total_success++;
+	}
+
+	CHECK(total_success == 0, "check total_success",
+	      "unexpected failure\n");
+
+	printf("%s:PASS\n", __func__);
+
+	free(keys);
+	free(values);
+	free(visited);
+	close(map_fd);
+}
diff --git a/tools/testing/selftests/bpf/map_tests/map_in_map_batch_ops.c b/tools/testing/selftests/bpf/map_tests/map_in_map_batch_ops.c
new file mode 100644
index 000000000..f472d28ad
--- /dev/null
+++ b/tools/testing/selftests/bpf/map_tests/map_in_map_batch_ops.c
@@ -0,0 +1,252 @@
+// SPDX-License-Identifier: GPL-2.0
+
+#include <stdio.h>
+#include <errno.h>
+#include <string.h>
+#include <unistd.h>
+
+#include <bpf/bpf.h>
+#include <bpf/libbpf.h>
+
+#include <test_maps.h>
+
+#define OUTER_MAP_ENTRIES 10
+
+static __u32 get_map_id_from_fd(int map_fd)
+{
+	struct bpf_map_info map_info = {};
+	uint32_t info_len = sizeof(map_info);
+	int ret;
+
+	ret = bpf_obj_get_info_by_fd(map_fd, &map_info, &info_len);
+	CHECK(ret < 0, "Finding map info failed", "error:%s\n",
+	      strerror(errno));
+
+	return map_info.id;
+}
+
+/* This creates number of OUTER_MAP_ENTRIES maps that will be stored
+ * in outer map and return the created map_fds
+ */
+static void create_inner_maps(enum bpf_map_type map_type,
+			      __u32 *inner_map_fds)
+{
+	int map_fd, map_index, ret;
+	__u32 map_key = 0, map_id;
+	char map_name[15];
+
+	for (map_index = 0; map_index < OUTER_MAP_ENTRIES; map_index++) {
+		memset(map_name, 0, sizeof(map_name));
+		sprintf(map_name, "inner_map_fd_%d", map_index);
+		map_fd = bpf_map_create(map_type, map_name, sizeof(__u32),
+					sizeof(__u32), 1, NULL);
+		CHECK(map_fd < 0,
+		      "inner bpf_map_create() failed",
+		      "map_type=(%d) map_name(%s), error:%s\n",
+		      map_type, map_name, strerror(errno));
+
+		/* keep track of the inner map fd as it is required
+		 * to add records in outer map
+		 */
+		inner_map_fds[map_index] = map_fd;
+
+		/* Add entry into this created map
+		 * eg: map1 key = 0, value = map1's map id
+		 *     map2 key = 0, value = map2's map id
+		 */
+		map_id = get_map_id_from_fd(map_fd);
+		ret = bpf_map_update_elem(map_fd, &map_key, &map_id, 0);
+		CHECK(ret != 0,
+		      "bpf_map_update_elem failed",
+		      "map_type=(%d) map_name(%s), error:%s\n",
+		      map_type, map_name, strerror(errno));
+	}
+}
+
+static int create_outer_map(enum bpf_map_type map_type, __u32 inner_map_fd)
+{
+	int outer_map_fd;
+	LIBBPF_OPTS(bpf_map_create_opts, attr);
+
+	attr.inner_map_fd = inner_map_fd;
+	outer_map_fd = bpf_map_create(map_type, "outer_map", sizeof(__u32),
+				      sizeof(__u32), OUTER_MAP_ENTRIES,
+				      &attr);
+	CHECK(outer_map_fd < 0,
+	      "outer bpf_map_create()",
+	      "map_type=(%d), error:%s\n",
+	      map_type, strerror(errno));
+
+	return outer_map_fd;
+}
+
+static void validate_fetch_results(int outer_map_fd,
+				   __u32 *fetched_keys, __u32 *fetched_values,
+				   __u32 max_entries_fetched)
+{
+	__u32 inner_map_key, inner_map_value;
+	int inner_map_fd, entry, err;
+	__u32 outer_map_value;
+
+	for (entry = 0; entry < max_entries_fetched; ++entry) {
+		outer_map_value = fetched_values[entry];
+		inner_map_fd = bpf_map_get_fd_by_id(outer_map_value);
+		CHECK(inner_map_fd < 0,
+		      "Failed to get inner map fd",
+		      "from id(%d), error=%s\n",
+		      outer_map_value, strerror(errno));
+		err = bpf_map_get_next_key(inner_map_fd, NULL, &inner_map_key);
+		CHECK(err != 0,
+		      "Failed to get inner map key",
+		      "error=%s\n", strerror(errno));
+
+		err = bpf_map_lookup_elem(inner_map_fd, &inner_map_key,
+					  &inner_map_value);
+
+		close(inner_map_fd);
+
+		CHECK(err != 0,
+		      "Failed to get inner map value",
+		      "for key(%d), error=%s\n",
+		      inner_map_key, strerror(errno));
+
+		/* Actual value validation */
+		CHECK(outer_map_value != inner_map_value,
+		      "Failed to validate inner map value",
+		      "fetched(%d) and lookedup(%d)!\n",
+		      outer_map_value, inner_map_value);
+	}
+}
+
+static void fetch_and_validate(int outer_map_fd,
+			       struct bpf_map_batch_opts *opts,
+			       __u32 batch_size, bool delete_entries)
+{
+	__u32 *fetched_keys, *fetched_values, total_fetched = 0;
+	__u32 batch_key = 0, fetch_count, step_size;
+	int err, max_entries = OUTER_MAP_ENTRIES;
+	__u32 value_size = sizeof(__u32);
+
+	/* Total entries needs to be fetched */
+	fetched_keys = calloc(max_entries, value_size);
+	fetched_values = calloc(max_entries, value_size);
+	CHECK((!fetched_keys || !fetched_values),
+	      "Memory allocation failed for fetched_keys or fetched_values",
+	      "error=%s\n", strerror(errno));
+
+	for (step_size = batch_size;
+	     step_size <= max_entries;
+	     step_size += batch_size) {
+		fetch_count = step_size;
+		err = delete_entries
+		      ? bpf_map_lookup_and_delete_batch(outer_map_fd,
+				      total_fetched ? &batch_key : NULL,
+				      &batch_key,
+				      fetched_keys + total_fetched,
+				      fetched_values + total_fetched,
+				      &fetch_count, opts)
+		      : bpf_map_lookup_batch(outer_map_fd,
+				      total_fetched ? &batch_key : NULL,
+				      &batch_key,
+				      fetched_keys + total_fetched,
+				      fetched_values + total_fetched,
+				      &fetch_count, opts);
+
+		if (err && errno == ENOSPC) {
+			/* Fetch again with higher batch size */
+			total_fetched = 0;
+			continue;
+		}
+
+		CHECK((err < 0 && (errno != ENOENT)),
+		      "lookup with steps failed",
+		      "error: %s\n", strerror(errno));
+
+		/* Update the total fetched number */
+		total_fetched += fetch_count;
+		if (err)
+			break;
+	}
+
+	CHECK((total_fetched != max_entries),
+	      "Unable to fetch expected entries !",
+	      "total_fetched(%d) and max_entries(%d) error: (%d):%s\n",
+	      total_fetched, max_entries, errno, strerror(errno));
+
+	/* validate the fetched entries */
+	validate_fetch_results(outer_map_fd, fetched_keys,
+			       fetched_values, total_fetched);
+	printf("batch_op(%s) is successful with batch_size(%d)\n",
+	       delete_entries ? "LOOKUP_AND_DELETE" : "LOOKUP", batch_size);
+
+	free(fetched_keys);
+	free(fetched_values);
+}
+
+static void _map_in_map_batch_ops(enum bpf_map_type outer_map_type,
+				  enum bpf_map_type inner_map_type)
+{
+	__u32 *outer_map_keys, *inner_map_fds;
+	__u32 max_entries = OUTER_MAP_ENTRIES;
+	LIBBPF_OPTS(bpf_map_batch_opts, opts);
+	__u32 value_size = sizeof(__u32);
+	int batch_size[2] = {5, 10};
+	__u32 map_index, op_index;
+	int outer_map_fd, ret;
+
+	outer_map_keys = calloc(max_entries, value_size);
+	inner_map_fds = calloc(max_entries, value_size);
+	CHECK((!outer_map_keys || !inner_map_fds),
+	      "Memory allocation failed for outer_map_keys or inner_map_fds",
+	      "error=%s\n", strerror(errno));
+
+	create_inner_maps(inner_map_type, inner_map_fds);
+
+	outer_map_fd = create_outer_map(outer_map_type, *inner_map_fds);
+	/* create outer map keys */
+	for (map_index = 0; map_index < max_entries; map_index++)
+		outer_map_keys[map_index] =
+			((outer_map_type == BPF_MAP_TYPE_ARRAY_OF_MAPS)
+			 ? 9 : 1000) - map_index;
+
+	/* batch operation - map_update */
+	ret = bpf_map_update_batch(outer_map_fd, outer_map_keys,
+				   inner_map_fds, &max_entries, &opts);
+	CHECK(ret != 0,
+	      "Failed to update the outer map batch ops",
+	      "error=%s\n", strerror(errno));
+
+	/* batch operation - map_lookup */
+	for (op_index = 0; op_index < 2; ++op_index)
+		fetch_and_validate(outer_map_fd, &opts,
+				   batch_size[op_index], false);
+
+	/* batch operation - map_lookup_delete */
+	if (outer_map_type == BPF_MAP_TYPE_HASH_OF_MAPS)
+		fetch_and_validate(outer_map_fd, &opts,
+				   max_entries, true /*delete*/);
+
+	/* close all map fds */
+	for (map_index = 0; map_index < max_entries; map_index++)
+		close(inner_map_fds[map_index]);
+	close(outer_map_fd);
+
+	free(inner_map_fds);
+	free(outer_map_keys);
+}
+
+void test_map_in_map_batch_ops_array(void)
+{
+	_map_in_map_batch_ops(BPF_MAP_TYPE_ARRAY_OF_MAPS, BPF_MAP_TYPE_ARRAY);
+	printf("%s:PASS with inner ARRAY map\n", __func__);
+	_map_in_map_batch_ops(BPF_MAP_TYPE_ARRAY_OF_MAPS, BPF_MAP_TYPE_HASH);
+	printf("%s:PASS with inner HASH map\n", __func__);
+}
+
+void test_map_in_map_batch_ops_hash(void)
+{
+	_map_in_map_batch_ops(BPF_MAP_TYPE_HASH_OF_MAPS, BPF_MAP_TYPE_ARRAY);
+	printf("%s:PASS with inner ARRAY map\n", __func__);
+	_map_in_map_batch_ops(BPF_MAP_TYPE_HASH_OF_MAPS, BPF_MAP_TYPE_HASH);
+	printf("%s:PASS with inner HASH map\n", __func__);
+}
diff --git a/tools/testing/selftests/bpf/map_tests/sk_storage_map.c b/tools/testing/selftests/bpf/map_tests/sk_storage_map.c
new file mode 100644
index 000000000..18405c3b7
--- /dev/null
+++ b/tools/testing/selftests/bpf/map_tests/sk_storage_map.c
@@ -0,0 +1,627 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2019 Facebook  */
+#include <linux/compiler.h>
+#include <linux/err.h>
+
+#include <sys/resource.h>
+#include <sys/socket.h>
+#include <sys/types.h>
+#include <linux/btf.h>
+#include <unistd.h>
+#include <signal.h>
+#include <errno.h>
+#include <string.h>
+#include <pthread.h>
+
+#include <bpf/bpf.h>
+#include <bpf/libbpf.h>
+
+#include <test_btf.h>
+#include <test_maps.h>
+
+static struct bpf_map_create_opts map_opts = {
+	.sz = sizeof(map_opts),
+	.btf_key_type_id = 1,
+	.btf_value_type_id = 3,
+	.btf_fd = -1,
+	.map_flags = BPF_F_NO_PREALLOC,
+};
+
+static unsigned int nr_sk_threads_done;
+static unsigned int nr_sk_threads_err;
+static unsigned int nr_sk_per_thread = 4096;
+static unsigned int nr_sk_threads = 4;
+static int sk_storage_map = -1;
+static unsigned int stop;
+static int runtime_s = 5;
+
+static bool is_stopped(void)
+{
+	return READ_ONCE(stop);
+}
+
+static unsigned int threads_err(void)
+{
+	return READ_ONCE(nr_sk_threads_err);
+}
+
+static void notify_thread_err(void)
+{
+	__sync_add_and_fetch(&nr_sk_threads_err, 1);
+}
+
+static bool wait_for_threads_err(void)
+{
+	while (!is_stopped() && !threads_err())
+		usleep(500);
+
+	return !is_stopped();
+}
+
+static unsigned int threads_done(void)
+{
+	return READ_ONCE(nr_sk_threads_done);
+}
+
+static void notify_thread_done(void)
+{
+	__sync_add_and_fetch(&nr_sk_threads_done, 1);
+}
+
+static void notify_thread_redo(void)
+{
+	__sync_sub_and_fetch(&nr_sk_threads_done, 1);
+}
+
+static bool wait_for_threads_done(void)
+{
+	while (threads_done() != nr_sk_threads && !is_stopped() &&
+	       !threads_err())
+		usleep(50);
+
+	return !is_stopped() && !threads_err();
+}
+
+static bool wait_for_threads_redo(void)
+{
+	while (threads_done() && !is_stopped() && !threads_err())
+		usleep(50);
+
+	return !is_stopped() && !threads_err();
+}
+
+static bool wait_for_map(void)
+{
+	while (READ_ONCE(sk_storage_map) == -1 && !is_stopped())
+		usleep(50);
+
+	return !is_stopped();
+}
+
+static bool wait_for_map_close(void)
+{
+	while (READ_ONCE(sk_storage_map) != -1 && !is_stopped())
+		;
+
+	return !is_stopped();
+}
+
+static int load_btf(void)
+{
+	const char btf_str_sec[] = "\0bpf_spin_lock\0val\0cnt\0l";
+	__u32 btf_raw_types[] = {
+		/* int */
+		BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),  /* [1] */
+		/* struct bpf_spin_lock */                      /* [2] */
+		BTF_TYPE_ENC(1, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 1), 4),
+		BTF_MEMBER_ENC(15, 1, 0), /* int val; */
+		/* struct val */                                /* [3] */
+		BTF_TYPE_ENC(15, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 2), 8),
+		BTF_MEMBER_ENC(19, 1, 0), /* int cnt; */
+		BTF_MEMBER_ENC(23, 2, 32),/* struct bpf_spin_lock l; */
+	};
+	struct btf_header btf_hdr = {
+		.magic = BTF_MAGIC,
+		.version = BTF_VERSION,
+		.hdr_len = sizeof(struct btf_header),
+		.type_len = sizeof(btf_raw_types),
+		.str_off = sizeof(btf_raw_types),
+		.str_len = sizeof(btf_str_sec),
+	};
+	__u8 raw_btf[sizeof(struct btf_header) + sizeof(btf_raw_types) +
+		     sizeof(btf_str_sec)];
+
+	memcpy(raw_btf, &btf_hdr, sizeof(btf_hdr));
+	memcpy(raw_btf + sizeof(btf_hdr), btf_raw_types, sizeof(btf_raw_types));
+	memcpy(raw_btf + sizeof(btf_hdr) + sizeof(btf_raw_types),
+	       btf_str_sec, sizeof(btf_str_sec));
+
+	return bpf_btf_load(raw_btf, sizeof(raw_btf), NULL);
+}
+
+static int create_sk_storage_map(void)
+{
+	int btf_fd, map_fd;
+
+	btf_fd = load_btf();
+	CHECK(btf_fd == -1, "bpf_load_btf", "btf_fd:%d errno:%d\n",
+	      btf_fd, errno);
+	map_opts.btf_fd = btf_fd;
+
+	map_fd = bpf_map_create(BPF_MAP_TYPE_SK_STORAGE, "sk_storage_map", 4, 8, 0, &map_opts);
+	map_opts.btf_fd = -1;
+	close(btf_fd);
+	CHECK(map_fd == -1,
+	      "bpf_map_create()", "errno:%d\n", errno);
+
+	return map_fd;
+}
+
+static void *insert_close_thread(void *arg)
+{
+	struct {
+		int cnt;
+		int lock;
+	} value = { .cnt = 0xeB9F, .lock = 0, };
+	int i, map_fd, err, *sk_fds;
+
+	sk_fds = malloc(sizeof(*sk_fds) * nr_sk_per_thread);
+	if (!sk_fds) {
+		notify_thread_err();
+		return ERR_PTR(-ENOMEM);
+	}
+
+	for (i = 0; i < nr_sk_per_thread; i++)
+		sk_fds[i] = -1;
+
+	while (!is_stopped()) {
+		if (!wait_for_map())
+			goto close_all;
+
+		map_fd = READ_ONCE(sk_storage_map);
+		for (i = 0; i < nr_sk_per_thread && !is_stopped(); i++) {
+			sk_fds[i] = socket(AF_INET6, SOCK_STREAM, 0);
+			if (sk_fds[i] == -1) {
+				err = -errno;
+				fprintf(stderr, "socket(): errno:%d\n", errno);
+				goto errout;
+			}
+			err = bpf_map_update_elem(map_fd, &sk_fds[i], &value,
+						  BPF_NOEXIST);
+			if (err) {
+				err = -errno;
+				fprintf(stderr,
+					"bpf_map_update_elem(): errno:%d\n",
+					errno);
+				goto errout;
+			}
+		}
+
+		notify_thread_done();
+		wait_for_map_close();
+
+close_all:
+		for (i = 0; i < nr_sk_per_thread; i++) {
+			close(sk_fds[i]);
+			sk_fds[i] = -1;
+		}
+
+		notify_thread_redo();
+	}
+
+	free(sk_fds);
+	return NULL;
+
+errout:
+	for (i = 0; i < nr_sk_per_thread && sk_fds[i] != -1; i++)
+		close(sk_fds[i]);
+	free(sk_fds);
+	notify_thread_err();
+	return ERR_PTR(err);
+}
+
+static int do_sk_storage_map_stress_free(void)
+{
+	int i, map_fd = -1, err = 0, nr_threads_created = 0;
+	pthread_t *sk_thread_ids;
+	void *thread_ret;
+
+	sk_thread_ids = malloc(sizeof(pthread_t) * nr_sk_threads);
+	if (!sk_thread_ids) {
+		fprintf(stderr, "malloc(sk_threads): NULL\n");
+		return -ENOMEM;
+	}
+
+	for (i = 0; i < nr_sk_threads; i++) {
+		err = pthread_create(&sk_thread_ids[i], NULL,
+				     insert_close_thread, NULL);
+		if (err) {
+			err = -errno;
+			goto done;
+		}
+		nr_threads_created++;
+	}
+
+	while (!is_stopped()) {
+		map_fd = create_sk_storage_map();
+		WRITE_ONCE(sk_storage_map, map_fd);
+
+		if (!wait_for_threads_done())
+			break;
+
+		WRITE_ONCE(sk_storage_map, -1);
+		close(map_fd);
+		map_fd = -1;
+
+		if (!wait_for_threads_redo())
+			break;
+	}
+
+done:
+	WRITE_ONCE(stop, 1);
+	for (i = 0; i < nr_threads_created; i++) {
+		pthread_join(sk_thread_ids[i], &thread_ret);
+		if (IS_ERR(thread_ret) && !err) {
+			err = PTR_ERR(thread_ret);
+			fprintf(stderr, "threads#%u: err:%d\n", i, err);
+		}
+	}
+	free(sk_thread_ids);
+
+	if (map_fd != -1)
+		close(map_fd);
+
+	return err;
+}
+
+static void *update_thread(void *arg)
+{
+	struct {
+		int cnt;
+		int lock;
+	} value = { .cnt = 0xeB9F, .lock = 0, };
+	int map_fd = READ_ONCE(sk_storage_map);
+	int sk_fd = *(int *)arg;
+	int err = 0; /* Suppress compiler false alarm */
+
+	while (!is_stopped()) {
+		err = bpf_map_update_elem(map_fd, &sk_fd, &value, 0);
+		if (err && errno != EAGAIN) {
+			err = -errno;
+			fprintf(stderr, "bpf_map_update_elem: %d %d\n",
+				err, errno);
+			break;
+		}
+	}
+
+	if (!is_stopped()) {
+		notify_thread_err();
+		return ERR_PTR(err);
+	}
+
+	return NULL;
+}
+
+static void *delete_thread(void *arg)
+{
+	int map_fd = READ_ONCE(sk_storage_map);
+	int sk_fd = *(int *)arg;
+	int err = 0; /* Suppress compiler false alarm */
+
+	while (!is_stopped()) {
+		err = bpf_map_delete_elem(map_fd, &sk_fd);
+		if (err && errno != ENOENT) {
+			err = -errno;
+			fprintf(stderr, "bpf_map_delete_elem: %d %d\n",
+				err, errno);
+			break;
+		}
+	}
+
+	if (!is_stopped()) {
+		notify_thread_err();
+		return ERR_PTR(err);
+	}
+
+	return NULL;
+}
+
+static int do_sk_storage_map_stress_change(void)
+{
+	int i, sk_fd, map_fd = -1, err = 0, nr_threads_created = 0;
+	pthread_t *sk_thread_ids;
+	void *thread_ret;
+
+	sk_thread_ids = malloc(sizeof(pthread_t) * nr_sk_threads);
+	if (!sk_thread_ids) {
+		fprintf(stderr, "malloc(sk_threads): NULL\n");
+		return -ENOMEM;
+	}
+
+	sk_fd = socket(AF_INET6, SOCK_STREAM, 0);
+	if (sk_fd == -1) {
+		err = -errno;
+		goto done;
+	}
+
+	map_fd = create_sk_storage_map();
+	WRITE_ONCE(sk_storage_map, map_fd);
+
+	for (i = 0; i < nr_sk_threads; i++) {
+		if (i & 0x1)
+			err = pthread_create(&sk_thread_ids[i], NULL,
+					     update_thread, &sk_fd);
+		else
+			err = pthread_create(&sk_thread_ids[i], NULL,
+					     delete_thread, &sk_fd);
+		if (err) {
+			err = -errno;
+			goto done;
+		}
+		nr_threads_created++;
+	}
+
+	wait_for_threads_err();
+
+done:
+	WRITE_ONCE(stop, 1);
+	for (i = 0; i < nr_threads_created; i++) {
+		pthread_join(sk_thread_ids[i], &thread_ret);
+		if (IS_ERR(thread_ret) && !err) {
+			err = PTR_ERR(thread_ret);
+			fprintf(stderr, "threads#%u: err:%d\n", i, err);
+		}
+	}
+	free(sk_thread_ids);
+
+	if (sk_fd != -1)
+		close(sk_fd);
+	close(map_fd);
+
+	return err;
+}
+
+static void stop_handler(int signum)
+{
+	if (signum != SIGALRM)
+		printf("stopping...\n");
+	WRITE_ONCE(stop, 1);
+}
+
+#define BPF_SK_STORAGE_MAP_TEST_NR_THREADS "BPF_SK_STORAGE_MAP_TEST_NR_THREADS"
+#define BPF_SK_STORAGE_MAP_TEST_SK_PER_THREAD "BPF_SK_STORAGE_MAP_TEST_SK_PER_THREAD"
+#define BPF_SK_STORAGE_MAP_TEST_RUNTIME_S "BPF_SK_STORAGE_MAP_TEST_RUNTIME_S"
+#define BPF_SK_STORAGE_MAP_TEST_NAME "BPF_SK_STORAGE_MAP_TEST_NAME"
+
+static void test_sk_storage_map_stress_free(void)
+{
+	struct rlimit rlim_old, rlim_new = {};
+	int err;
+
+	getrlimit(RLIMIT_NOFILE, &rlim_old);
+
+	signal(SIGTERM, stop_handler);
+	signal(SIGINT, stop_handler);
+	if (runtime_s > 0) {
+		signal(SIGALRM, stop_handler);
+		alarm(runtime_s);
+	}
+
+	if (rlim_old.rlim_cur < nr_sk_threads * nr_sk_per_thread) {
+		rlim_new.rlim_cur = nr_sk_threads * nr_sk_per_thread + 128;
+		rlim_new.rlim_max = rlim_new.rlim_cur + 128;
+		err = setrlimit(RLIMIT_NOFILE, &rlim_new);
+		CHECK(err, "setrlimit(RLIMIT_NOFILE)", "rlim_new:%lu errno:%d",
+		      rlim_new.rlim_cur, errno);
+	}
+
+	err = do_sk_storage_map_stress_free();
+
+	signal(SIGTERM, SIG_DFL);
+	signal(SIGINT, SIG_DFL);
+	if (runtime_s > 0) {
+		signal(SIGALRM, SIG_DFL);
+		alarm(0);
+	}
+
+	if (rlim_new.rlim_cur)
+		setrlimit(RLIMIT_NOFILE, &rlim_old);
+
+	CHECK(err, "test_sk_storage_map_stress_free", "err:%d\n", err);
+}
+
+static void test_sk_storage_map_stress_change(void)
+{
+	int err;
+
+	signal(SIGTERM, stop_handler);
+	signal(SIGINT, stop_handler);
+	if (runtime_s > 0) {
+		signal(SIGALRM, stop_handler);
+		alarm(runtime_s);
+	}
+
+	err = do_sk_storage_map_stress_change();
+
+	signal(SIGTERM, SIG_DFL);
+	signal(SIGINT, SIG_DFL);
+	if (runtime_s > 0) {
+		signal(SIGALRM, SIG_DFL);
+		alarm(0);
+	}
+
+	CHECK(err, "test_sk_storage_map_stress_change", "err:%d\n", err);
+}
+
+static void test_sk_storage_map_basic(void)
+{
+	struct {
+		int cnt;
+		int lock;
+	} value = { .cnt = 0xeB9f, .lock = 1, }, lookup_value;
+	struct bpf_map_create_opts bad_xattr;
+	int btf_fd, map_fd, sk_fd, err;
+
+	btf_fd = load_btf();
+	CHECK(btf_fd == -1, "bpf_load_btf", "btf_fd:%d errno:%d\n",
+	      btf_fd, errno);
+	map_opts.btf_fd = btf_fd;
+
+	sk_fd = socket(AF_INET6, SOCK_STREAM, 0);
+	CHECK(sk_fd == -1, "socket()", "sk_fd:%d errno:%d\n",
+	      sk_fd, errno);
+
+	map_fd = bpf_map_create(BPF_MAP_TYPE_SK_STORAGE, "sk_storage_map", 4, 8, 0, &map_opts);
+	CHECK(map_fd == -1, "bpf_map_create(good_xattr)",
+	      "map_fd:%d errno:%d\n", map_fd, errno);
+
+	/* Add new elem */
+	memcpy(&lookup_value, &value, sizeof(value));
+	err = bpf_map_update_elem(map_fd, &sk_fd, &value,
+				  BPF_NOEXIST | BPF_F_LOCK);
+	CHECK(err, "bpf_map_update_elem(BPF_NOEXIST|BPF_F_LOCK)",
+	      "err:%d errno:%d\n", err, errno);
+	err = bpf_map_lookup_elem_flags(map_fd, &sk_fd, &lookup_value,
+					BPF_F_LOCK);
+	CHECK(err || lookup_value.lock || lookup_value.cnt != value.cnt,
+	      "bpf_map_lookup_elem_flags(BPF_F_LOCK)",
+	      "err:%d errno:%d lock:%x cnt:%x(%x)\n",
+	      err, errno, lookup_value.lock, lookup_value.cnt, value.cnt);
+
+	/* Bump the cnt and update with BPF_EXIST | BPF_F_LOCK */
+	value.cnt += 1;
+	value.lock = 2;
+	err = bpf_map_update_elem(map_fd, &sk_fd, &value,
+				  BPF_EXIST | BPF_F_LOCK);
+	CHECK(err, "bpf_map_update_elem(BPF_EXIST|BPF_F_LOCK)",
+	      "err:%d errno:%d\n", err, errno);
+	err = bpf_map_lookup_elem_flags(map_fd, &sk_fd, &lookup_value,
+					BPF_F_LOCK);
+	CHECK(err || lookup_value.lock || lookup_value.cnt != value.cnt,
+	      "bpf_map_lookup_elem_flags(BPF_F_LOCK)",
+	      "err:%d errno:%d lock:%x cnt:%x(%x)\n",
+	      err, errno, lookup_value.lock, lookup_value.cnt, value.cnt);
+
+	/* Bump the cnt and update with BPF_EXIST */
+	value.cnt += 1;
+	value.lock = 2;
+	err = bpf_map_update_elem(map_fd, &sk_fd, &value, BPF_EXIST);
+	CHECK(err, "bpf_map_update_elem(BPF_EXIST)",
+	      "err:%d errno:%d\n", err, errno);
+	err = bpf_map_lookup_elem_flags(map_fd, &sk_fd, &lookup_value,
+					BPF_F_LOCK);
+	CHECK(err || lookup_value.lock || lookup_value.cnt != value.cnt,
+	      "bpf_map_lookup_elem_flags(BPF_F_LOCK)",
+	      "err:%d errno:%d lock:%x cnt:%x(%x)\n",
+	      err, errno, lookup_value.lock, lookup_value.cnt, value.cnt);
+
+	/* Update with BPF_NOEXIST */
+	value.cnt += 1;
+	value.lock = 2;
+	err = bpf_map_update_elem(map_fd, &sk_fd, &value,
+				  BPF_NOEXIST | BPF_F_LOCK);
+	CHECK(!err || errno != EEXIST,
+	      "bpf_map_update_elem(BPF_NOEXIST|BPF_F_LOCK)",
+	      "err:%d errno:%d\n", err, errno);
+	err = bpf_map_update_elem(map_fd, &sk_fd, &value, BPF_NOEXIST);
+	CHECK(!err || errno != EEXIST, "bpf_map_update_elem(BPF_NOEXIST)",
+	      "err:%d errno:%d\n", err, errno);
+	value.cnt -= 1;
+	err = bpf_map_lookup_elem_flags(map_fd, &sk_fd, &lookup_value,
+					BPF_F_LOCK);
+	CHECK(err || lookup_value.lock || lookup_value.cnt != value.cnt,
+	      "bpf_map_lookup_elem_flags(BPF_F_LOCK)",
+	      "err:%d errno:%d lock:%x cnt:%x(%x)\n",
+	      err, errno, lookup_value.lock, lookup_value.cnt, value.cnt);
+
+	/* Bump the cnt again and update with map_flags == 0 */
+	value.cnt += 1;
+	value.lock = 2;
+	err = bpf_map_update_elem(map_fd, &sk_fd, &value, 0);
+	CHECK(err, "bpf_map_update_elem()", "err:%d errno:%d\n",
+	      err, errno);
+	err = bpf_map_lookup_elem_flags(map_fd, &sk_fd, &lookup_value,
+					BPF_F_LOCK);
+	CHECK(err || lookup_value.lock || lookup_value.cnt != value.cnt,
+	      "bpf_map_lookup_elem_flags(BPF_F_LOCK)",
+	      "err:%d errno:%d lock:%x cnt:%x(%x)\n",
+	      err, errno, lookup_value.lock, lookup_value.cnt, value.cnt);
+
+	/* Test delete elem */
+	err = bpf_map_delete_elem(map_fd, &sk_fd);
+	CHECK(err, "bpf_map_delete_elem()", "err:%d errno:%d\n",
+	      err, errno);
+	err = bpf_map_lookup_elem_flags(map_fd, &sk_fd, &lookup_value,
+					BPF_F_LOCK);
+	CHECK(!err || errno != ENOENT,
+	      "bpf_map_lookup_elem_flags(BPF_F_LOCK)",
+	      "err:%d errno:%d\n", err, errno);
+	err = bpf_map_delete_elem(map_fd, &sk_fd);
+	CHECK(!err || errno != ENOENT, "bpf_map_delete_elem()",
+	      "err:%d errno:%d\n", err, errno);
+
+	memcpy(&bad_xattr, &map_opts, sizeof(map_opts));
+	bad_xattr.btf_key_type_id = 0;
+	err = bpf_map_create(BPF_MAP_TYPE_SK_STORAGE, "sk_storage_map", 4, 8, 0, &bad_xattr);
+	CHECK(!err || errno != EINVAL, "bpf_map_create(bad_xattr)",
+	      "err:%d errno:%d\n", err, errno);
+
+	memcpy(&bad_xattr, &map_opts, sizeof(map_opts));
+	bad_xattr.btf_key_type_id = 3;
+	err = bpf_map_create(BPF_MAP_TYPE_SK_STORAGE, "sk_storage_map", 4, 8, 0, &bad_xattr);
+	CHECK(!err || errno != EINVAL, "bpf_map_create(bad_xattr)",
+	      "err:%d errno:%d\n", err, errno);
+
+	err = bpf_map_create(BPF_MAP_TYPE_SK_STORAGE, "sk_storage_map", 4, 8, 1, &map_opts);
+	CHECK(!err || errno != EINVAL, "bpf_map_create(bad_xattr)",
+	      "err:%d errno:%d\n", err, errno);
+
+	memcpy(&bad_xattr, &map_opts, sizeof(map_opts));
+	bad_xattr.map_flags = 0;
+	err = bpf_map_create(BPF_MAP_TYPE_SK_STORAGE, "sk_storage_map", 4, 8, 0, &bad_xattr);
+	CHECK(!err || errno != EINVAL, "bap_create_map_xattr(bad_xattr)",
+	      "err:%d errno:%d\n", err, errno);
+
+	map_opts.btf_fd = -1;
+	close(btf_fd);
+	close(map_fd);
+	close(sk_fd);
+}
+
+void test_sk_storage_map(void)
+{
+	const char *test_name, *env_opt;
+	bool test_ran = false;
+
+	test_name = getenv(BPF_SK_STORAGE_MAP_TEST_NAME);
+
+	env_opt = getenv(BPF_SK_STORAGE_MAP_TEST_NR_THREADS);
+	if (env_opt)
+		nr_sk_threads = atoi(env_opt);
+
+	env_opt = getenv(BPF_SK_STORAGE_MAP_TEST_SK_PER_THREAD);
+	if (env_opt)
+		nr_sk_per_thread = atoi(env_opt);
+
+	env_opt = getenv(BPF_SK_STORAGE_MAP_TEST_RUNTIME_S);
+	if (env_opt)
+		runtime_s = atoi(env_opt);
+
+	if (!test_name || !strcmp(test_name, "basic")) {
+		test_sk_storage_map_basic();
+		test_ran = true;
+	}
+	if (!test_name || !strcmp(test_name, "stress_free")) {
+		test_sk_storage_map_stress_free();
+		test_ran = true;
+	}
+	if (!test_name || !strcmp(test_name, "stress_change")) {
+		test_sk_storage_map_stress_change();
+		test_ran = true;
+	}
+
+	if (test_ran)
+		printf("%s:PASS\n", __func__);
+	else
+		CHECK(1, "Invalid test_name", "%s\n", test_name);
+}
diff --git a/tools/testing/selftests/bpf/map_tests/task_storage_map.c b/tools/testing/selftests/bpf/map_tests/task_storage_map.c
new file mode 100644
index 000000000..7d050364e
--- /dev/null
+++ b/tools/testing/selftests/bpf/map_tests/task_storage_map.c
@@ -0,0 +1,127 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (C) 2022. Huawei Technologies Co., Ltd */
+#define _GNU_SOURCE
+#include <sched.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <stdbool.h>
+#include <errno.h>
+#include <string.h>
+#include <pthread.h>
+
+#include <bpf/bpf.h>
+#include <bpf/libbpf.h>
+
+#include "test_maps.h"
+#include "task_local_storage_helpers.h"
+#include "read_bpf_task_storage_busy.skel.h"
+
+struct lookup_ctx {
+	bool start;
+	bool stop;
+	int pid_fd;
+	int map_fd;
+	int loop;
+};
+
+static void *lookup_fn(void *arg)
+{
+	struct lookup_ctx *ctx = arg;
+	long value;
+	int i = 0;
+
+	while (!ctx->start)
+		usleep(1);
+
+	while (!ctx->stop && i++ < ctx->loop)
+		bpf_map_lookup_elem(ctx->map_fd, &ctx->pid_fd, &value);
+	return NULL;
+}
+
+static void abort_lookup(struct lookup_ctx *ctx, pthread_t *tids, unsigned int nr)
+{
+	unsigned int i;
+
+	ctx->stop = true;
+	ctx->start = true;
+	for (i = 0; i < nr; i++)
+		pthread_join(tids[i], NULL);
+}
+
+void test_task_storage_map_stress_lookup(void)
+{
+#define MAX_NR_THREAD 4096
+	unsigned int i, nr = 256, loop = 8192, cpu = 0;
+	struct read_bpf_task_storage_busy *skel;
+	pthread_t tids[MAX_NR_THREAD];
+	struct lookup_ctx ctx;
+	cpu_set_t old, new;
+	const char *cfg;
+	int err;
+
+	cfg = getenv("TASK_STORAGE_MAP_NR_THREAD");
+	if (cfg) {
+		nr = atoi(cfg);
+		if (nr > MAX_NR_THREAD)
+			nr = MAX_NR_THREAD;
+	}
+	cfg = getenv("TASK_STORAGE_MAP_NR_LOOP");
+	if (cfg)
+		loop = atoi(cfg);
+	cfg = getenv("TASK_STORAGE_MAP_PIN_CPU");
+	if (cfg)
+		cpu = atoi(cfg);
+
+	skel = read_bpf_task_storage_busy__open_and_load();
+	err = libbpf_get_error(skel);
+	CHECK(err, "open_and_load", "error %d\n", err);
+
+	/* Only for a fully preemptible kernel */
+	if (!skel->kconfig->CONFIG_PREEMPT) {
+		printf("%s SKIP (no CONFIG_PREEMPT)\n", __func__);
+		read_bpf_task_storage_busy__destroy(skel);
+		skips++;
+		return;
+	}
+
+	/* Save the old affinity setting */
+	sched_getaffinity(getpid(), sizeof(old), &old);
+
+	/* Pinned on a specific CPU */
+	CPU_ZERO(&new);
+	CPU_SET(cpu, &new);
+	sched_setaffinity(getpid(), sizeof(new), &new);
+
+	ctx.start = false;
+	ctx.stop = false;
+	ctx.pid_fd = sys_pidfd_open(getpid(), 0);
+	ctx.map_fd = bpf_map__fd(skel->maps.task);
+	ctx.loop = loop;
+	for (i = 0; i < nr; i++) {
+		err = pthread_create(&tids[i], NULL, lookup_fn, &ctx);
+		if (err) {
+			abort_lookup(&ctx, tids, i);
+			CHECK(err, "pthread_create", "error %d\n", err);
+			goto out;
+		}
+	}
+
+	ctx.start = true;
+	for (i = 0; i < nr; i++)
+		pthread_join(tids[i], NULL);
+
+	skel->bss->pid = getpid();
+	err = read_bpf_task_storage_busy__attach(skel);
+	CHECK(err, "attach", "error %d\n", err);
+
+	/* Trigger program */
+	syscall(SYS_gettid);
+	skel->bss->pid = 0;
+
+	CHECK(skel->bss->busy != 0, "bad bpf_task_storage_busy", "got %d\n", skel->bss->busy);
+out:
+	read_bpf_task_storage_busy__destroy(skel);
+	/* Restore affinity setting */
+	sched_setaffinity(getpid(), sizeof(old), &old);
+	printf("%s:PASS\n", __func__);
+}
diff --git a/tools/testing/selftests/bpf/netcnt_common.h b/tools/testing/selftests/bpf/netcnt_common.h
new file mode 100644
index 000000000..0ab1c8804
--- /dev/null
+++ b/tools/testing/selftests/bpf/netcnt_common.h
@@ -0,0 +1,44 @@
+// SPDX-License-Identifier: GPL-2.0
+#ifndef __NETCNT_COMMON_H
+#define __NETCNT_COMMON_H
+
+#include <linux/types.h>
+
+#define MAX_PERCPU_PACKETS 32
+
+/* sizeof(struct bpf_local_storage_elem):
+ *
+ * It really is about 128 bytes on x86_64, but allocate more to account for
+ * possible layout changes, different architectures, etc.
+ * The kernel will wrap up to PAGE_SIZE internally anyway.
+ */
+#define SIZEOF_BPF_LOCAL_STORAGE_ELEM		256
+
+/* Try to estimate kernel's BPF_LOCAL_STORAGE_MAX_VALUE_SIZE: */
+#define BPF_LOCAL_STORAGE_MAX_VALUE_SIZE	(0xFFFF - \
+						 SIZEOF_BPF_LOCAL_STORAGE_ELEM)
+
+#define PCPU_MIN_UNIT_SIZE			32768
+
+union percpu_net_cnt {
+	struct {
+		__u64 packets;
+		__u64 bytes;
+
+		__u64 prev_ts;
+
+		__u64 prev_packets;
+		__u64 prev_bytes;
+	};
+	__u8 data[PCPU_MIN_UNIT_SIZE];
+};
+
+union net_cnt {
+	struct {
+		__u64 packets;
+		__u64 bytes;
+	};
+	__u8 data[BPF_LOCAL_STORAGE_MAX_VALUE_SIZE];
+};
+
+#endif
diff --git a/tools/testing/selftests/bpf/network_helpers.c b/tools/testing/selftests/bpf/network_helpers.c
new file mode 100644
index 000000000..1fa467238
--- /dev/null
+++ b/tools/testing/selftests/bpf/network_helpers.c
@@ -0,0 +1,470 @@
+// SPDX-License-Identifier: GPL-2.0-only
+#define _GNU_SOURCE
+
+#include <errno.h>
+#include <stdbool.h>
+#include <stdio.h>
+#include <string.h>
+#include <unistd.h>
+#include <sched.h>
+
+#include <arpa/inet.h>
+#include <sys/mount.h>
+#include <sys/stat.h>
+
+#include <linux/err.h>
+#include <linux/in.h>
+#include <linux/in6.h>
+#include <linux/limits.h>
+
+#include "bpf_util.h"
+#include "network_helpers.h"
+#include "test_progs.h"
+
+#ifndef IPPROTO_MPTCP
+#define IPPROTO_MPTCP 262
+#endif
+
+#define clean_errno() (errno == 0 ? "None" : strerror(errno))
+#define log_err(MSG, ...) ({						\
+			int __save = errno;				\
+			fprintf(stderr, "(%s:%d: errno: %s) " MSG "\n", \
+				__FILE__, __LINE__, clean_errno(),	\
+				##__VA_ARGS__);				\
+			errno = __save;					\
+})
+
+struct ipv4_packet pkt_v4 = {
+	.eth.h_proto = __bpf_constant_htons(ETH_P_IP),
+	.iph.ihl = 5,
+	.iph.protocol = IPPROTO_TCP,
+	.iph.tot_len = __bpf_constant_htons(MAGIC_BYTES),
+	.tcp.urg_ptr = 123,
+	.tcp.doff = 5,
+};
+
+struct ipv6_packet pkt_v6 = {
+	.eth.h_proto = __bpf_constant_htons(ETH_P_IPV6),
+	.iph.nexthdr = IPPROTO_TCP,
+	.iph.payload_len = __bpf_constant_htons(MAGIC_BYTES),
+	.tcp.urg_ptr = 123,
+	.tcp.doff = 5,
+};
+
+int settimeo(int fd, int timeout_ms)
+{
+	struct timeval timeout = { .tv_sec = 3 };
+
+	if (timeout_ms > 0) {
+		timeout.tv_sec = timeout_ms / 1000;
+		timeout.tv_usec = (timeout_ms % 1000) * 1000;
+	}
+
+	if (setsockopt(fd, SOL_SOCKET, SO_RCVTIMEO, &timeout,
+		       sizeof(timeout))) {
+		log_err("Failed to set SO_RCVTIMEO");
+		return -1;
+	}
+
+	if (setsockopt(fd, SOL_SOCKET, SO_SNDTIMEO, &timeout,
+		       sizeof(timeout))) {
+		log_err("Failed to set SO_SNDTIMEO");
+		return -1;
+	}
+
+	return 0;
+}
+
+#define save_errno_close(fd) ({ int __save = errno; close(fd); errno = __save; })
+
+static int __start_server(int type, int protocol, const struct sockaddr *addr,
+			  socklen_t addrlen, int timeout_ms, bool reuseport)
+{
+	int on = 1;
+	int fd;
+
+	fd = socket(addr->sa_family, type, protocol);
+	if (fd < 0) {
+		log_err("Failed to create server socket");
+		return -1;
+	}
+
+	if (settimeo(fd, timeout_ms))
+		goto error_close;
+
+	if (reuseport &&
+	    setsockopt(fd, SOL_SOCKET, SO_REUSEPORT, &on, sizeof(on))) {
+		log_err("Failed to set SO_REUSEPORT");
+		goto error_close;
+	}
+
+	if (bind(fd, addr, addrlen) < 0) {
+		log_err("Failed to bind socket");
+		goto error_close;
+	}
+
+	if (type == SOCK_STREAM) {
+		if (listen(fd, 1) < 0) {
+			log_err("Failed to listed on socket");
+			goto error_close;
+		}
+	}
+
+	return fd;
+
+error_close:
+	save_errno_close(fd);
+	return -1;
+}
+
+static int start_server_proto(int family, int type, int protocol,
+			      const char *addr_str, __u16 port, int timeout_ms)
+{
+	struct sockaddr_storage addr;
+	socklen_t addrlen;
+
+	if (make_sockaddr(family, addr_str, port, &addr, &addrlen))
+		return -1;
+
+	return __start_server(type, protocol, (struct sockaddr *)&addr,
+			      addrlen, timeout_ms, false);
+}
+
+int start_server(int family, int type, const char *addr_str, __u16 port,
+		 int timeout_ms)
+{
+	return start_server_proto(family, type, 0, addr_str, port, timeout_ms);
+}
+
+int start_mptcp_server(int family, const char *addr_str, __u16 port,
+		       int timeout_ms)
+{
+	return start_server_proto(family, SOCK_STREAM, IPPROTO_MPTCP, addr_str,
+				  port, timeout_ms);
+}
+
+int *start_reuseport_server(int family, int type, const char *addr_str,
+			    __u16 port, int timeout_ms, unsigned int nr_listens)
+{
+	struct sockaddr_storage addr;
+	unsigned int nr_fds = 0;
+	socklen_t addrlen;
+	int *fds;
+
+	if (!nr_listens)
+		return NULL;
+
+	if (make_sockaddr(family, addr_str, port, &addr, &addrlen))
+		return NULL;
+
+	fds = malloc(sizeof(*fds) * nr_listens);
+	if (!fds)
+		return NULL;
+
+	fds[0] = __start_server(type, 0, (struct sockaddr *)&addr, addrlen,
+				timeout_ms, true);
+	if (fds[0] == -1)
+		goto close_fds;
+	nr_fds = 1;
+
+	if (getsockname(fds[0], (struct sockaddr *)&addr, &addrlen))
+		goto close_fds;
+
+	for (; nr_fds < nr_listens; nr_fds++) {
+		fds[nr_fds] = __start_server(type, 0, (struct sockaddr *)&addr,
+					     addrlen, timeout_ms, true);
+		if (fds[nr_fds] == -1)
+			goto close_fds;
+	}
+
+	return fds;
+
+close_fds:
+	free_fds(fds, nr_fds);
+	return NULL;
+}
+
+void free_fds(int *fds, unsigned int nr_close_fds)
+{
+	if (fds) {
+		while (nr_close_fds)
+			close(fds[--nr_close_fds]);
+		free(fds);
+	}
+}
+
+int fastopen_connect(int server_fd, const char *data, unsigned int data_len,
+		     int timeout_ms)
+{
+	struct sockaddr_storage addr;
+	socklen_t addrlen = sizeof(addr);
+	struct sockaddr_in *addr_in;
+	int fd, ret;
+
+	if (getsockname(server_fd, (struct sockaddr *)&addr, &addrlen)) {
+		log_err("Failed to get server addr");
+		return -1;
+	}
+
+	addr_in = (struct sockaddr_in *)&addr;
+	fd = socket(addr_in->sin_family, SOCK_STREAM, 0);
+	if (fd < 0) {
+		log_err("Failed to create client socket");
+		return -1;
+	}
+
+	if (settimeo(fd, timeout_ms))
+		goto error_close;
+
+	ret = sendto(fd, data, data_len, MSG_FASTOPEN, (struct sockaddr *)&addr,
+		     addrlen);
+	if (ret != data_len) {
+		log_err("sendto(data, %u) != %d\n", data_len, ret);
+		goto error_close;
+	}
+
+	return fd;
+
+error_close:
+	save_errno_close(fd);
+	return -1;
+}
+
+static int connect_fd_to_addr(int fd,
+			      const struct sockaddr_storage *addr,
+			      socklen_t addrlen, const bool must_fail)
+{
+	int ret;
+
+	errno = 0;
+	ret = connect(fd, (const struct sockaddr *)addr, addrlen);
+	if (must_fail) {
+		if (!ret) {
+			log_err("Unexpected success to connect to server");
+			return -1;
+		}
+		if (errno != EPERM) {
+			log_err("Unexpected error from connect to server");
+			return -1;
+		}
+	} else {
+		if (ret) {
+			log_err("Failed to connect to server");
+			return -1;
+		}
+	}
+
+	return 0;
+}
+
+static const struct network_helper_opts default_opts;
+
+int connect_to_fd_opts(int server_fd, const struct network_helper_opts *opts)
+{
+	struct sockaddr_storage addr;
+	struct sockaddr_in *addr_in;
+	socklen_t addrlen, optlen;
+	int fd, type, protocol;
+
+	if (!opts)
+		opts = &default_opts;
+
+	optlen = sizeof(type);
+	if (getsockopt(server_fd, SOL_SOCKET, SO_TYPE, &type, &optlen)) {
+		log_err("getsockopt(SOL_TYPE)");
+		return -1;
+	}
+
+	if (getsockopt(server_fd, SOL_SOCKET, SO_PROTOCOL, &protocol, &optlen)) {
+		log_err("getsockopt(SOL_PROTOCOL)");
+		return -1;
+	}
+
+	addrlen = sizeof(addr);
+	if (getsockname(server_fd, (struct sockaddr *)&addr, &addrlen)) {
+		log_err("Failed to get server addr");
+		return -1;
+	}
+
+	addr_in = (struct sockaddr_in *)&addr;
+	fd = socket(addr_in->sin_family, type, protocol);
+	if (fd < 0) {
+		log_err("Failed to create client socket");
+		return -1;
+	}
+
+	if (settimeo(fd, opts->timeout_ms))
+		goto error_close;
+
+	if (opts->cc && opts->cc[0] &&
+	    setsockopt(fd, SOL_TCP, TCP_CONGESTION, opts->cc,
+		       strlen(opts->cc) + 1))
+		goto error_close;
+
+	if (connect_fd_to_addr(fd, &addr, addrlen, opts->must_fail))
+		goto error_close;
+
+	return fd;
+
+error_close:
+	save_errno_close(fd);
+	return -1;
+}
+
+int connect_to_fd(int server_fd, int timeout_ms)
+{
+	struct network_helper_opts opts = {
+		.timeout_ms = timeout_ms,
+	};
+
+	return connect_to_fd_opts(server_fd, &opts);
+}
+
+int connect_fd_to_fd(int client_fd, int server_fd, int timeout_ms)
+{
+	struct sockaddr_storage addr;
+	socklen_t len = sizeof(addr);
+
+	if (settimeo(client_fd, timeout_ms))
+		return -1;
+
+	if (getsockname(server_fd, (struct sockaddr *)&addr, &len)) {
+		log_err("Failed to get server addr");
+		return -1;
+	}
+
+	if (connect_fd_to_addr(client_fd, &addr, len, false))
+		return -1;
+
+	return 0;
+}
+
+int make_sockaddr(int family, const char *addr_str, __u16 port,
+		  struct sockaddr_storage *addr, socklen_t *len)
+{
+	if (family == AF_INET) {
+		struct sockaddr_in *sin = (void *)addr;
+
+		memset(addr, 0, sizeof(*sin));
+		sin->sin_family = AF_INET;
+		sin->sin_port = htons(port);
+		if (addr_str &&
+		    inet_pton(AF_INET, addr_str, &sin->sin_addr) != 1) {
+			log_err("inet_pton(AF_INET, %s)", addr_str);
+			return -1;
+		}
+		if (len)
+			*len = sizeof(*sin);
+		return 0;
+	} else if (family == AF_INET6) {
+		struct sockaddr_in6 *sin6 = (void *)addr;
+
+		memset(addr, 0, sizeof(*sin6));
+		sin6->sin6_family = AF_INET6;
+		sin6->sin6_port = htons(port);
+		if (addr_str &&
+		    inet_pton(AF_INET6, addr_str, &sin6->sin6_addr) != 1) {
+			log_err("inet_pton(AF_INET6, %s)", addr_str);
+			return -1;
+		}
+		if (len)
+			*len = sizeof(*sin6);
+		return 0;
+	}
+	return -1;
+}
+
+char *ping_command(int family)
+{
+	if (family == AF_INET6) {
+		/* On some systems 'ping' doesn't support IPv6, so use ping6 if it is present. */
+		if (!system("which ping6 >/dev/null 2>&1"))
+			return "ping6";
+		else
+			return "ping -6";
+	}
+	return "ping";
+}
+
+struct nstoken {
+	int orig_netns_fd;
+};
+
+static int setns_by_fd(int nsfd)
+{
+	int err;
+
+	err = setns(nsfd, CLONE_NEWNET);
+	close(nsfd);
+
+	if (!ASSERT_OK(err, "setns"))
+		return err;
+
+	/* Switch /sys to the new namespace so that e.g. /sys/class/net
+	 * reflects the devices in the new namespace.
+	 */
+	err = unshare(CLONE_NEWNS);
+	if (!ASSERT_OK(err, "unshare"))
+		return err;
+
+	/* Make our /sys mount private, so the following umount won't
+	 * trigger the global umount in case it's shared.
+	 */
+	err = mount("none", "/sys", NULL, MS_PRIVATE, NULL);
+	if (!ASSERT_OK(err, "remount private /sys"))
+		return err;
+
+	err = umount2("/sys", MNT_DETACH);
+	if (!ASSERT_OK(err, "umount2 /sys"))
+		return err;
+
+	err = mount("sysfs", "/sys", "sysfs", 0, NULL);
+	if (!ASSERT_OK(err, "mount /sys"))
+		return err;
+
+	err = mount("bpffs", "/sys/fs/bpf", "bpf", 0, NULL);
+	if (!ASSERT_OK(err, "mount /sys/fs/bpf"))
+		return err;
+
+	err = mount("debugfs", "/sys/kernel/debug", "debugfs", 0, NULL);
+	if (!ASSERT_OK(err, "mount /sys/kernel/debug"))
+		return err;
+
+	return 0;
+}
+
+struct nstoken *open_netns(const char *name)
+{
+	int nsfd;
+	char nspath[PATH_MAX];
+	int err;
+	struct nstoken *token;
+
+	token = calloc(1, sizeof(struct nstoken));
+	if (!ASSERT_OK_PTR(token, "malloc token"))
+		return NULL;
+
+	token->orig_netns_fd = open("/proc/self/ns/net", O_RDONLY);
+	if (!ASSERT_GE(token->orig_netns_fd, 0, "open /proc/self/ns/net"))
+		goto fail;
+
+	snprintf(nspath, sizeof(nspath), "%s/%s", "/var/run/netns", name);
+	nsfd = open(nspath, O_RDONLY | O_CLOEXEC);
+	if (!ASSERT_GE(nsfd, 0, "open netns fd"))
+		goto fail;
+
+	err = setns_by_fd(nsfd);
+	if (!ASSERT_OK(err, "setns_by_fd"))
+		goto fail;
+
+	return token;
+fail:
+	free(token);
+	return NULL;
+}
+
+void close_netns(struct nstoken *token)
+{
+	ASSERT_OK(setns_by_fd(token->orig_netns_fd), "setns_by_fd");
+	free(token);
+}
diff --git a/tools/testing/selftests/bpf/network_helpers.h b/tools/testing/selftests/bpf/network_helpers.h
new file mode 100644
index 000000000..f882c691b
--- /dev/null
+++ b/tools/testing/selftests/bpf/network_helpers.h
@@ -0,0 +1,69 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef __NETWORK_HELPERS_H
+#define __NETWORK_HELPERS_H
+#include <sys/socket.h>
+#include <sys/types.h>
+#include <linux/types.h>
+typedef __u16 __sum16;
+#include <linux/if_ether.h>
+#include <linux/if_packet.h>
+#include <linux/ip.h>
+#include <linux/ipv6.h>
+#include <netinet/tcp.h>
+#include <bpf/bpf_endian.h>
+
+#define MAGIC_VAL 0x1234
+#define NUM_ITER 100000
+#define VIP_NUM 5
+#define MAGIC_BYTES 123
+
+struct network_helper_opts {
+	const char *cc;
+	int timeout_ms;
+	bool must_fail;
+};
+
+/* ipv4 test vector */
+struct ipv4_packet {
+	struct ethhdr eth;
+	struct iphdr iph;
+	struct tcphdr tcp;
+} __packed;
+extern struct ipv4_packet pkt_v4;
+
+/* ipv6 test vector */
+struct ipv6_packet {
+	struct ethhdr eth;
+	struct ipv6hdr iph;
+	struct tcphdr tcp;
+} __packed;
+extern struct ipv6_packet pkt_v6;
+
+int settimeo(int fd, int timeout_ms);
+int start_server(int family, int type, const char *addr, __u16 port,
+		 int timeout_ms);
+int start_mptcp_server(int family, const char *addr, __u16 port,
+		       int timeout_ms);
+int *start_reuseport_server(int family, int type, const char *addr_str,
+			    __u16 port, int timeout_ms,
+			    unsigned int nr_listens);
+void free_fds(int *fds, unsigned int nr_close_fds);
+int connect_to_fd(int server_fd, int timeout_ms);
+int connect_to_fd_opts(int server_fd, const struct network_helper_opts *opts);
+int connect_fd_to_fd(int client_fd, int server_fd, int timeout_ms);
+int fastopen_connect(int server_fd, const char *data, unsigned int data_len,
+		     int timeout_ms);
+int make_sockaddr(int family, const char *addr_str, __u16 port,
+		  struct sockaddr_storage *addr, socklen_t *len);
+char *ping_command(int family);
+
+struct nstoken;
+/**
+ * open_netns() - Switch to specified network namespace by name.
+ *
+ * Returns token with which to restore the original namespace
+ * using close_netns().
+ */
+struct nstoken *open_netns(const char *name);
+void close_netns(struct nstoken *token);
+#endif
diff --git a/tools/testing/selftests/bpf/prog_tests/.gitignore b/tools/testing/selftests/bpf/prog_tests/.gitignore
new file mode 100644
index 000000000..89c4a3d37
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/.gitignore
@@ -0,0 +1,2 @@
+# SPDX-License-Identifier: GPL-2.0-only
+tests.h
diff --git a/tools/testing/selftests/bpf/prog_tests/align.c b/tools/testing/selftests/bpf/prog_tests/align.c
new file mode 100644
index 000000000..8baebb415
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/align.c
@@ -0,0 +1,696 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <test_progs.h>
+
+#define MAX_INSNS	512
+#define MAX_MATCHES	24
+
+struct bpf_reg_match {
+	unsigned int line;
+	const char *match;
+};
+
+struct bpf_align_test {
+	const char *descr;
+	struct bpf_insn	insns[MAX_INSNS];
+	enum {
+		UNDEF,
+		ACCEPT,
+		REJECT
+	} result;
+	enum bpf_prog_type prog_type;
+	/* Matches must be in order of increasing line */
+	struct bpf_reg_match matches[MAX_MATCHES];
+};
+
+static struct bpf_align_test tests[] = {
+	/* Four tests of known constants.  These aren't staggeringly
+	 * interesting since we track exact values now.
+	 */
+	{
+		.descr = "mov",
+		.insns = {
+			BPF_MOV64_IMM(BPF_REG_3, 2),
+			BPF_MOV64_IMM(BPF_REG_3, 4),
+			BPF_MOV64_IMM(BPF_REG_3, 8),
+			BPF_MOV64_IMM(BPF_REG_3, 16),
+			BPF_MOV64_IMM(BPF_REG_3, 32),
+			BPF_MOV64_IMM(BPF_REG_0, 0),
+			BPF_EXIT_INSN(),
+		},
+		.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+		.matches = {
+			{0, "R1=ctx(off=0,imm=0)"},
+			{0, "R10=fp0"},
+			{0, "R3_w=2"},
+			{1, "R3_w=4"},
+			{2, "R3_w=8"},
+			{3, "R3_w=16"},
+			{4, "R3_w=32"},
+		},
+	},
+	{
+		.descr = "shift",
+		.insns = {
+			BPF_MOV64_IMM(BPF_REG_3, 1),
+			BPF_ALU64_IMM(BPF_LSH, BPF_REG_3, 1),
+			BPF_ALU64_IMM(BPF_LSH, BPF_REG_3, 1),
+			BPF_ALU64_IMM(BPF_LSH, BPF_REG_3, 1),
+			BPF_ALU64_IMM(BPF_LSH, BPF_REG_3, 1),
+			BPF_ALU64_IMM(BPF_RSH, BPF_REG_3, 4),
+			BPF_MOV64_IMM(BPF_REG_4, 32),
+			BPF_ALU64_IMM(BPF_RSH, BPF_REG_4, 1),
+			BPF_ALU64_IMM(BPF_RSH, BPF_REG_4, 1),
+			BPF_ALU64_IMM(BPF_RSH, BPF_REG_4, 1),
+			BPF_ALU64_IMM(BPF_RSH, BPF_REG_4, 1),
+			BPF_MOV64_IMM(BPF_REG_0, 0),
+			BPF_EXIT_INSN(),
+		},
+		.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+		.matches = {
+			{0, "R1=ctx(off=0,imm=0)"},
+			{0, "R10=fp0"},
+			{0, "R3_w=1"},
+			{1, "R3_w=2"},
+			{2, "R3_w=4"},
+			{3, "R3_w=8"},
+			{4, "R3_w=16"},
+			{5, "R3_w=1"},
+			{6, "R4_w=32"},
+			{7, "R4_w=16"},
+			{8, "R4_w=8"},
+			{9, "R4_w=4"},
+			{10, "R4_w=2"},
+		},
+	},
+	{
+		.descr = "addsub",
+		.insns = {
+			BPF_MOV64_IMM(BPF_REG_3, 4),
+			BPF_ALU64_IMM(BPF_ADD, BPF_REG_3, 4),
+			BPF_ALU64_IMM(BPF_ADD, BPF_REG_3, 2),
+			BPF_MOV64_IMM(BPF_REG_4, 8),
+			BPF_ALU64_IMM(BPF_ADD, BPF_REG_4, 4),
+			BPF_ALU64_IMM(BPF_ADD, BPF_REG_4, 2),
+			BPF_MOV64_IMM(BPF_REG_0, 0),
+			BPF_EXIT_INSN(),
+		},
+		.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+		.matches = {
+			{0, "R1=ctx(off=0,imm=0)"},
+			{0, "R10=fp0"},
+			{0, "R3_w=4"},
+			{1, "R3_w=8"},
+			{2, "R3_w=10"},
+			{3, "R4_w=8"},
+			{4, "R4_w=12"},
+			{5, "R4_w=14"},
+		},
+	},
+	{
+		.descr = "mul",
+		.insns = {
+			BPF_MOV64_IMM(BPF_REG_3, 7),
+			BPF_ALU64_IMM(BPF_MUL, BPF_REG_3, 1),
+			BPF_ALU64_IMM(BPF_MUL, BPF_REG_3, 2),
+			BPF_ALU64_IMM(BPF_MUL, BPF_REG_3, 4),
+			BPF_MOV64_IMM(BPF_REG_0, 0),
+			BPF_EXIT_INSN(),
+		},
+		.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+		.matches = {
+			{0, "R1=ctx(off=0,imm=0)"},
+			{0, "R10=fp0"},
+			{0, "R3_w=7"},
+			{1, "R3_w=7"},
+			{2, "R3_w=14"},
+			{3, "R3_w=56"},
+		},
+	},
+
+	/* Tests using unknown values */
+#define PREP_PKT_POINTERS \
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, \
+		    offsetof(struct __sk_buff, data)), \
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, \
+		    offsetof(struct __sk_buff, data_end))
+
+#define LOAD_UNKNOWN(DST_REG) \
+	PREP_PKT_POINTERS, \
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_2), \
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8), \
+	BPF_JMP_REG(BPF_JGE, BPF_REG_3, BPF_REG_0, 1), \
+	BPF_EXIT_INSN(), \
+	BPF_LDX_MEM(BPF_B, DST_REG, BPF_REG_2, 0)
+
+	{
+		.descr = "unknown shift",
+		.insns = {
+			LOAD_UNKNOWN(BPF_REG_3),
+			BPF_ALU64_IMM(BPF_LSH, BPF_REG_3, 1),
+			BPF_ALU64_IMM(BPF_LSH, BPF_REG_3, 1),
+			BPF_ALU64_IMM(BPF_LSH, BPF_REG_3, 1),
+			BPF_ALU64_IMM(BPF_LSH, BPF_REG_3, 1),
+			LOAD_UNKNOWN(BPF_REG_4),
+			BPF_ALU64_IMM(BPF_LSH, BPF_REG_4, 5),
+			BPF_ALU64_IMM(BPF_RSH, BPF_REG_4, 1),
+			BPF_ALU64_IMM(BPF_RSH, BPF_REG_4, 1),
+			BPF_ALU64_IMM(BPF_RSH, BPF_REG_4, 1),
+			BPF_ALU64_IMM(BPF_RSH, BPF_REG_4, 1),
+			BPF_MOV64_IMM(BPF_REG_0, 0),
+			BPF_EXIT_INSN(),
+		},
+		.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+		.matches = {
+			{6, "R0_w=pkt(off=8,r=8,imm=0)"},
+			{6, "R3_w=scalar(umax=255,var_off=(0x0; 0xff))"},
+			{7, "R3_w=scalar(umax=510,var_off=(0x0; 0x1fe))"},
+			{8, "R3_w=scalar(umax=1020,var_off=(0x0; 0x3fc))"},
+			{9, "R3_w=scalar(umax=2040,var_off=(0x0; 0x7f8))"},
+			{10, "R3_w=scalar(umax=4080,var_off=(0x0; 0xff0))"},
+			{12, "R3_w=pkt_end(off=0,imm=0)"},
+			{17, "R4_w=scalar(umax=255,var_off=(0x0; 0xff))"},
+			{18, "R4_w=scalar(umax=8160,var_off=(0x0; 0x1fe0))"},
+			{19, "R4_w=scalar(umax=4080,var_off=(0x0; 0xff0))"},
+			{20, "R4_w=scalar(umax=2040,var_off=(0x0; 0x7f8))"},
+			{21, "R4_w=scalar(umax=1020,var_off=(0x0; 0x3fc))"},
+			{22, "R4_w=scalar(umax=510,var_off=(0x0; 0x1fe))"},
+		},
+	},
+	{
+		.descr = "unknown mul",
+		.insns = {
+			LOAD_UNKNOWN(BPF_REG_3),
+			BPF_MOV64_REG(BPF_REG_4, BPF_REG_3),
+			BPF_ALU64_IMM(BPF_MUL, BPF_REG_4, 1),
+			BPF_MOV64_REG(BPF_REG_4, BPF_REG_3),
+			BPF_ALU64_IMM(BPF_MUL, BPF_REG_4, 2),
+			BPF_MOV64_REG(BPF_REG_4, BPF_REG_3),
+			BPF_ALU64_IMM(BPF_MUL, BPF_REG_4, 4),
+			BPF_MOV64_REG(BPF_REG_4, BPF_REG_3),
+			BPF_ALU64_IMM(BPF_MUL, BPF_REG_4, 8),
+			BPF_ALU64_IMM(BPF_MUL, BPF_REG_4, 2),
+			BPF_MOV64_IMM(BPF_REG_0, 0),
+			BPF_EXIT_INSN(),
+		},
+		.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+		.matches = {
+			{6, "R3_w=scalar(umax=255,var_off=(0x0; 0xff))"},
+			{7, "R4_w=scalar(id=1,umax=255,var_off=(0x0; 0xff))"},
+			{8, "R4_w=scalar(umax=255,var_off=(0x0; 0xff))"},
+			{9, "R4_w=scalar(id=1,umax=255,var_off=(0x0; 0xff))"},
+			{10, "R4_w=scalar(umax=510,var_off=(0x0; 0x1fe))"},
+			{11, "R4_w=scalar(id=1,umax=255,var_off=(0x0; 0xff))"},
+			{12, "R4_w=scalar(umax=1020,var_off=(0x0; 0x3fc))"},
+			{13, "R4_w=scalar(id=1,umax=255,var_off=(0x0; 0xff))"},
+			{14, "R4_w=scalar(umax=2040,var_off=(0x0; 0x7f8))"},
+			{15, "R4_w=scalar(umax=4080,var_off=(0x0; 0xff0))"},
+		},
+	},
+	{
+		.descr = "packet const offset",
+		.insns = {
+			PREP_PKT_POINTERS,
+			BPF_MOV64_REG(BPF_REG_5, BPF_REG_2),
+
+			BPF_MOV64_IMM(BPF_REG_0, 0),
+
+			/* Skip over ethernet header.  */
+			BPF_ALU64_IMM(BPF_ADD, BPF_REG_5, 14),
+			BPF_MOV64_REG(BPF_REG_4, BPF_REG_5),
+			BPF_ALU64_IMM(BPF_ADD, BPF_REG_4, 4),
+			BPF_JMP_REG(BPF_JGE, BPF_REG_3, BPF_REG_4, 1),
+			BPF_EXIT_INSN(),
+
+			BPF_LDX_MEM(BPF_B, BPF_REG_4, BPF_REG_5, 0),
+			BPF_LDX_MEM(BPF_B, BPF_REG_4, BPF_REG_5, 1),
+			BPF_LDX_MEM(BPF_B, BPF_REG_4, BPF_REG_5, 2),
+			BPF_LDX_MEM(BPF_B, BPF_REG_4, BPF_REG_5, 3),
+			BPF_LDX_MEM(BPF_H, BPF_REG_4, BPF_REG_5, 0),
+			BPF_LDX_MEM(BPF_H, BPF_REG_4, BPF_REG_5, 2),
+			BPF_LDX_MEM(BPF_W, BPF_REG_4, BPF_REG_5, 0),
+
+			BPF_MOV64_IMM(BPF_REG_0, 0),
+			BPF_EXIT_INSN(),
+		},
+		.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+		.matches = {
+			{2, "R5_w=pkt(off=0,r=0,imm=0)"},
+			{4, "R5_w=pkt(off=14,r=0,imm=0)"},
+			{5, "R4_w=pkt(off=14,r=0,imm=0)"},
+			{9, "R2=pkt(off=0,r=18,imm=0)"},
+			{10, "R5=pkt(off=14,r=18,imm=0)"},
+			{10, "R4_w=scalar(umax=255,var_off=(0x0; 0xff))"},
+			{13, "R4_w=scalar(umax=65535,var_off=(0x0; 0xffff))"},
+			{14, "R4_w=scalar(umax=65535,var_off=(0x0; 0xffff))"},
+		},
+	},
+	{
+		.descr = "packet variable offset",
+		.insns = {
+			LOAD_UNKNOWN(BPF_REG_6),
+			BPF_ALU64_IMM(BPF_LSH, BPF_REG_6, 2),
+
+			/* First, add a constant to the R5 packet pointer,
+			 * then a variable with a known alignment.
+			 */
+			BPF_MOV64_REG(BPF_REG_5, BPF_REG_2),
+			BPF_ALU64_IMM(BPF_ADD, BPF_REG_5, 14),
+			BPF_ALU64_REG(BPF_ADD, BPF_REG_5, BPF_REG_6),
+			BPF_MOV64_REG(BPF_REG_4, BPF_REG_5),
+			BPF_ALU64_IMM(BPF_ADD, BPF_REG_4, 4),
+			BPF_JMP_REG(BPF_JGE, BPF_REG_3, BPF_REG_4, 1),
+			BPF_EXIT_INSN(),
+			BPF_LDX_MEM(BPF_W, BPF_REG_4, BPF_REG_5, 0),
+
+			/* Now, test in the other direction.  Adding first
+			 * the variable offset to R5, then the constant.
+			 */
+			BPF_MOV64_REG(BPF_REG_5, BPF_REG_2),
+			BPF_ALU64_REG(BPF_ADD, BPF_REG_5, BPF_REG_6),
+			BPF_MOV64_REG(BPF_REG_4, BPF_REG_5),
+			BPF_ALU64_IMM(BPF_ADD, BPF_REG_5, 14),
+			BPF_MOV64_REG(BPF_REG_4, BPF_REG_5),
+			BPF_ALU64_IMM(BPF_ADD, BPF_REG_4, 4),
+			BPF_JMP_REG(BPF_JGE, BPF_REG_3, BPF_REG_4, 1),
+			BPF_EXIT_INSN(),
+			BPF_LDX_MEM(BPF_W, BPF_REG_4, BPF_REG_5, 0),
+
+			/* Test multiple accumulations of unknown values
+			 * into a packet pointer.
+			 */
+			BPF_MOV64_REG(BPF_REG_5, BPF_REG_2),
+			BPF_ALU64_IMM(BPF_ADD, BPF_REG_5, 14),
+			BPF_ALU64_REG(BPF_ADD, BPF_REG_5, BPF_REG_6),
+			BPF_MOV64_REG(BPF_REG_4, BPF_REG_5),
+			BPF_ALU64_IMM(BPF_ADD, BPF_REG_5, 4),
+			BPF_ALU64_REG(BPF_ADD, BPF_REG_5, BPF_REG_6),
+			BPF_MOV64_REG(BPF_REG_4, BPF_REG_5),
+			BPF_ALU64_IMM(BPF_ADD, BPF_REG_4, 4),
+			BPF_JMP_REG(BPF_JGE, BPF_REG_3, BPF_REG_4, 1),
+			BPF_EXIT_INSN(),
+			BPF_LDX_MEM(BPF_W, BPF_REG_4, BPF_REG_5, 0),
+
+			BPF_MOV64_IMM(BPF_REG_0, 0),
+			BPF_EXIT_INSN(),
+		},
+		.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+		.matches = {
+			/* Calculated offset in R6 has unknown value, but known
+			 * alignment of 4.
+			 */
+			{6, "R2_w=pkt(off=0,r=8,imm=0)"},
+			{7, "R6_w=scalar(umax=1020,var_off=(0x0; 0x3fc))"},
+			/* Offset is added to packet pointer R5, resulting in
+			 * known fixed offset, and variable offset from R6.
+			 */
+			{11, "R5_w=pkt(id=1,off=14,r=0,umax=1020,var_off=(0x0; 0x3fc))"},
+			/* At the time the word size load is performed from R5,
+			 * it's total offset is NET_IP_ALIGN + reg->off (0) +
+			 * reg->aux_off (14) which is 16.  Then the variable
+			 * offset is considered using reg->aux_off_align which
+			 * is 4 and meets the load's requirements.
+			 */
+			{15, "R4=pkt(id=1,off=18,r=18,umax=1020,var_off=(0x0; 0x3fc))"},
+			{15, "R5=pkt(id=1,off=14,r=18,umax=1020,var_off=(0x0; 0x3fc))"},
+			/* Variable offset is added to R5 packet pointer,
+			 * resulting in auxiliary alignment of 4. To avoid BPF
+			 * verifier's precision backtracking logging
+			 * interfering we also have a no-op R4 = R5
+			 * instruction to validate R5 state. We also check
+			 * that R4 is what it should be in such case.
+			 */
+			{18, "R4_w=pkt(id=2,off=0,r=0,umax=1020,var_off=(0x0; 0x3fc))"},
+			{18, "R5_w=pkt(id=2,off=0,r=0,umax=1020,var_off=(0x0; 0x3fc))"},
+			/* Constant offset is added to R5, resulting in
+			 * reg->off of 14.
+			 */
+			{19, "R5_w=pkt(id=2,off=14,r=0,umax=1020,var_off=(0x0; 0x3fc))"},
+			/* At the time the word size load is performed from R5,
+			 * its total fixed offset is NET_IP_ALIGN + reg->off
+			 * (14) which is 16.  Then the variable offset is 4-byte
+			 * aligned, so the total offset is 4-byte aligned and
+			 * meets the load's requirements.
+			 */
+			{24, "R4=pkt(id=2,off=18,r=18,umax=1020,var_off=(0x0; 0x3fc))"},
+			{24, "R5=pkt(id=2,off=14,r=18,umax=1020,var_off=(0x0; 0x3fc))"},
+			/* Constant offset is added to R5 packet pointer,
+			 * resulting in reg->off value of 14.
+			 */
+			{26, "R5_w=pkt(off=14,r=8"},
+			/* Variable offset is added to R5, resulting in a
+			 * variable offset of (4n). See comment for insn #18
+			 * for R4 = R5 trick.
+			 */
+			{28, "R4_w=pkt(id=3,off=14,r=0,umax=1020,var_off=(0x0; 0x3fc))"},
+			{28, "R5_w=pkt(id=3,off=14,r=0,umax=1020,var_off=(0x0; 0x3fc))"},
+			/* Constant is added to R5 again, setting reg->off to 18. */
+			{29, "R5_w=pkt(id=3,off=18,r=0,umax=1020,var_off=(0x0; 0x3fc))"},
+			/* And once more we add a variable; resulting var_off
+			 * is still (4n), fixed offset is not changed.
+			 * Also, we create a new reg->id.
+			 */
+			{31, "R4_w=pkt(id=4,off=18,r=0,umax=2040,var_off=(0x0; 0x7fc)"},
+			{31, "R5_w=pkt(id=4,off=18,r=0,umax=2040,var_off=(0x0; 0x7fc)"},
+			/* At the time the word size load is performed from R5,
+			 * its total fixed offset is NET_IP_ALIGN + reg->off (18)
+			 * which is 20.  Then the variable offset is (4n), so
+			 * the total offset is 4-byte aligned and meets the
+			 * load's requirements.
+			 */
+			{35, "R4=pkt(id=4,off=22,r=22,umax=2040,var_off=(0x0; 0x7fc)"},
+			{35, "R5=pkt(id=4,off=18,r=22,umax=2040,var_off=(0x0; 0x7fc)"},
+		},
+	},
+	{
+		.descr = "packet variable offset 2",
+		.insns = {
+			/* Create an unknown offset, (4n+2)-aligned */
+			LOAD_UNKNOWN(BPF_REG_6),
+			BPF_ALU64_IMM(BPF_LSH, BPF_REG_6, 2),
+			BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, 14),
+			/* Add it to the packet pointer */
+			BPF_MOV64_REG(BPF_REG_5, BPF_REG_2),
+			BPF_ALU64_REG(BPF_ADD, BPF_REG_5, BPF_REG_6),
+			/* Check bounds and perform a read */
+			BPF_MOV64_REG(BPF_REG_4, BPF_REG_5),
+			BPF_ALU64_IMM(BPF_ADD, BPF_REG_4, 4),
+			BPF_JMP_REG(BPF_JGE, BPF_REG_3, BPF_REG_4, 1),
+			BPF_EXIT_INSN(),
+			BPF_LDX_MEM(BPF_W, BPF_REG_6, BPF_REG_5, 0),
+			/* Make a (4n) offset from the value we just read */
+			BPF_ALU64_IMM(BPF_AND, BPF_REG_6, 0xff),
+			BPF_ALU64_IMM(BPF_LSH, BPF_REG_6, 2),
+			/* Add it to the packet pointer */
+			BPF_ALU64_REG(BPF_ADD, BPF_REG_5, BPF_REG_6),
+			/* Check bounds and perform a read */
+			BPF_MOV64_REG(BPF_REG_4, BPF_REG_5),
+			BPF_ALU64_IMM(BPF_ADD, BPF_REG_4, 4),
+			BPF_JMP_REG(BPF_JGE, BPF_REG_3, BPF_REG_4, 1),
+			BPF_EXIT_INSN(),
+			BPF_LDX_MEM(BPF_W, BPF_REG_6, BPF_REG_5, 0),
+			BPF_MOV64_IMM(BPF_REG_0, 0),
+			BPF_EXIT_INSN(),
+		},
+		.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+		.matches = {
+			/* Calculated offset in R6 has unknown value, but known
+			 * alignment of 4.
+			 */
+			{6, "R2_w=pkt(off=0,r=8,imm=0)"},
+			{7, "R6_w=scalar(umax=1020,var_off=(0x0; 0x3fc))"},
+			/* Adding 14 makes R6 be (4n+2) */
+			{8, "R6_w=scalar(umin=14,umax=1034,var_off=(0x2; 0x7fc))"},
+			/* Packet pointer has (4n+2) offset */
+			{11, "R5_w=pkt(id=1,off=0,r=0,umin=14,umax=1034,var_off=(0x2; 0x7fc)"},
+			{12, "R4=pkt(id=1,off=4,r=0,umin=14,umax=1034,var_off=(0x2; 0x7fc)"},
+			/* At the time the word size load is performed from R5,
+			 * its total fixed offset is NET_IP_ALIGN + reg->off (0)
+			 * which is 2.  Then the variable offset is (4n+2), so
+			 * the total offset is 4-byte aligned and meets the
+			 * load's requirements.
+			 */
+			{15, "R5=pkt(id=1,off=0,r=4,umin=14,umax=1034,var_off=(0x2; 0x7fc)"},
+			/* Newly read value in R6 was shifted left by 2, so has
+			 * known alignment of 4.
+			 */
+			{17, "R6_w=scalar(umax=1020,var_off=(0x0; 0x3fc))"},
+			/* Added (4n) to packet pointer's (4n+2) var_off, giving
+			 * another (4n+2).
+			 */
+			{19, "R5_w=pkt(id=2,off=0,r=0,umin=14,umax=2054,var_off=(0x2; 0xffc)"},
+			{20, "R4=pkt(id=2,off=4,r=0,umin=14,umax=2054,var_off=(0x2; 0xffc)"},
+			/* At the time the word size load is performed from R5,
+			 * its total fixed offset is NET_IP_ALIGN + reg->off (0)
+			 * which is 2.  Then the variable offset is (4n+2), so
+			 * the total offset is 4-byte aligned and meets the
+			 * load's requirements.
+			 */
+			{23, "R5=pkt(id=2,off=0,r=4,umin=14,umax=2054,var_off=(0x2; 0xffc)"},
+		},
+	},
+	{
+		.descr = "dubious pointer arithmetic",
+		.insns = {
+			PREP_PKT_POINTERS,
+			BPF_MOV64_IMM(BPF_REG_0, 0),
+			/* (ptr - ptr) << 2 */
+			BPF_MOV64_REG(BPF_REG_5, BPF_REG_3),
+			BPF_ALU64_REG(BPF_SUB, BPF_REG_5, BPF_REG_2),
+			BPF_ALU64_IMM(BPF_LSH, BPF_REG_5, 2),
+			/* We have a (4n) value.  Let's make a packet offset
+			 * out of it.  First add 14, to make it a (4n+2)
+			 */
+			BPF_ALU64_IMM(BPF_ADD, BPF_REG_5, 14),
+			/* Then make sure it's nonnegative */
+			BPF_JMP_IMM(BPF_JSGE, BPF_REG_5, 0, 1),
+			BPF_EXIT_INSN(),
+			/* Add it to packet pointer */
+			BPF_MOV64_REG(BPF_REG_6, BPF_REG_2),
+			BPF_ALU64_REG(BPF_ADD, BPF_REG_6, BPF_REG_5),
+			/* Check bounds and perform a read */
+			BPF_MOV64_REG(BPF_REG_4, BPF_REG_6),
+			BPF_ALU64_IMM(BPF_ADD, BPF_REG_4, 4),
+			BPF_JMP_REG(BPF_JGE, BPF_REG_3, BPF_REG_4, 1),
+			BPF_EXIT_INSN(),
+			BPF_LDX_MEM(BPF_W, BPF_REG_4, BPF_REG_6, 0),
+			BPF_EXIT_INSN(),
+		},
+		.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+		.result = REJECT,
+		.matches = {
+			{3, "R5_w=pkt_end(off=0,imm=0)"},
+			/* (ptr - ptr) << 2 == unknown, (4n) */
+			{5, "R5_w=scalar(smax=9223372036854775804,umax=18446744073709551612,var_off=(0x0; 0xfffffffffffffffc)"},
+			/* (4n) + 14 == (4n+2).  We blow our bounds, because
+			 * the add could overflow.
+			 */
+			{6, "R5_w=scalar(smin=-9223372036854775806,smax=9223372036854775806,umin=2,umax=18446744073709551614,var_off=(0x2; 0xfffffffffffffffc)"},
+			/* Checked s>=0 */
+			{9, "R5=scalar(umin=2,umax=9223372036854775806,var_off=(0x2; 0x7ffffffffffffffc)"},
+			/* packet pointer + nonnegative (4n+2) */
+			{11, "R6_w=pkt(id=1,off=0,r=0,umin=2,umax=9223372036854775806,var_off=(0x2; 0x7ffffffffffffffc)"},
+			{12, "R4_w=pkt(id=1,off=4,r=0,umin=2,umax=9223372036854775806,var_off=(0x2; 0x7ffffffffffffffc)"},
+			/* NET_IP_ALIGN + (4n+2) == (4n), alignment is fine.
+			 * We checked the bounds, but it might have been able
+			 * to overflow if the packet pointer started in the
+			 * upper half of the address space.
+			 * So we did not get a 'range' on R6, and the access
+			 * attempt will fail.
+			 */
+			{15, "R6_w=pkt(id=1,off=0,r=0,umin=2,umax=9223372036854775806,var_off=(0x2; 0x7ffffffffffffffc)"},
+		}
+	},
+	{
+		.descr = "variable subtraction",
+		.insns = {
+			/* Create an unknown offset, (4n+2)-aligned */
+			LOAD_UNKNOWN(BPF_REG_6),
+			BPF_MOV64_REG(BPF_REG_7, BPF_REG_6),
+			BPF_ALU64_IMM(BPF_LSH, BPF_REG_6, 2),
+			BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, 14),
+			/* Create another unknown, (4n)-aligned, and subtract
+			 * it from the first one
+			 */
+			BPF_ALU64_IMM(BPF_LSH, BPF_REG_7, 2),
+			BPF_ALU64_REG(BPF_SUB, BPF_REG_6, BPF_REG_7),
+			/* Bounds-check the result */
+			BPF_JMP_IMM(BPF_JSGE, BPF_REG_6, 0, 1),
+			BPF_EXIT_INSN(),
+			/* Add it to the packet pointer */
+			BPF_MOV64_REG(BPF_REG_5, BPF_REG_2),
+			BPF_ALU64_REG(BPF_ADD, BPF_REG_5, BPF_REG_6),
+			/* Check bounds and perform a read */
+			BPF_MOV64_REG(BPF_REG_4, BPF_REG_5),
+			BPF_ALU64_IMM(BPF_ADD, BPF_REG_4, 4),
+			BPF_JMP_REG(BPF_JGE, BPF_REG_3, BPF_REG_4, 1),
+			BPF_EXIT_INSN(),
+			BPF_LDX_MEM(BPF_W, BPF_REG_6, BPF_REG_5, 0),
+			BPF_EXIT_INSN(),
+		},
+		.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+		.matches = {
+			/* Calculated offset in R6 has unknown value, but known
+			 * alignment of 4.
+			 */
+			{6, "R2_w=pkt(off=0,r=8,imm=0)"},
+			{8, "R6_w=scalar(umax=1020,var_off=(0x0; 0x3fc))"},
+			/* Adding 14 makes R6 be (4n+2) */
+			{9, "R6_w=scalar(umin=14,umax=1034,var_off=(0x2; 0x7fc))"},
+			/* New unknown value in R7 is (4n) */
+			{10, "R7_w=scalar(umax=1020,var_off=(0x0; 0x3fc))"},
+			/* Subtracting it from R6 blows our unsigned bounds */
+			{11, "R6=scalar(smin=-1006,smax=1034,umin=2,umax=18446744073709551614,var_off=(0x2; 0xfffffffffffffffc)"},
+			/* Checked s>= 0 */
+			{14, "R6=scalar(umin=2,umax=1034,var_off=(0x2; 0x7fc))"},
+			/* At the time the word size load is performed from R5,
+			 * its total fixed offset is NET_IP_ALIGN + reg->off (0)
+			 * which is 2.  Then the variable offset is (4n+2), so
+			 * the total offset is 4-byte aligned and meets the
+			 * load's requirements.
+			 */
+			{20, "R5=pkt(id=2,off=0,r=4,umin=2,umax=1034,var_off=(0x2; 0x7fc)"},
+
+		},
+	},
+	{
+		.descr = "pointer variable subtraction",
+		.insns = {
+			/* Create an unknown offset, (4n+2)-aligned and bounded
+			 * to [14,74]
+			 */
+			LOAD_UNKNOWN(BPF_REG_6),
+			BPF_MOV64_REG(BPF_REG_7, BPF_REG_6),
+			BPF_ALU64_IMM(BPF_AND, BPF_REG_6, 0xf),
+			BPF_ALU64_IMM(BPF_LSH, BPF_REG_6, 2),
+			BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, 14),
+			/* Subtract it from the packet pointer */
+			BPF_MOV64_REG(BPF_REG_5, BPF_REG_2),
+			BPF_ALU64_REG(BPF_SUB, BPF_REG_5, BPF_REG_6),
+			/* Create another unknown, (4n)-aligned and >= 74.
+			 * That in fact means >= 76, since 74 % 4 == 2
+			 */
+			BPF_ALU64_IMM(BPF_LSH, BPF_REG_7, 2),
+			BPF_ALU64_IMM(BPF_ADD, BPF_REG_7, 76),
+			/* Add it to the packet pointer */
+			BPF_ALU64_REG(BPF_ADD, BPF_REG_5, BPF_REG_7),
+			/* Check bounds and perform a read */
+			BPF_MOV64_REG(BPF_REG_4, BPF_REG_5),
+			BPF_ALU64_IMM(BPF_ADD, BPF_REG_4, 4),
+			BPF_JMP_REG(BPF_JGE, BPF_REG_3, BPF_REG_4, 1),
+			BPF_EXIT_INSN(),
+			BPF_LDX_MEM(BPF_W, BPF_REG_6, BPF_REG_5, 0),
+			BPF_EXIT_INSN(),
+		},
+		.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+		.matches = {
+			/* Calculated offset in R6 has unknown value, but known
+			 * alignment of 4.
+			 */
+			{6, "R2_w=pkt(off=0,r=8,imm=0)"},
+			{9, "R6_w=scalar(umax=60,var_off=(0x0; 0x3c))"},
+			/* Adding 14 makes R6 be (4n+2) */
+			{10, "R6_w=scalar(umin=14,umax=74,var_off=(0x2; 0x7c))"},
+			/* Subtracting from packet pointer overflows ubounds */
+			{13, "R5_w=pkt(id=2,off=0,r=8,umin=18446744073709551542,umax=18446744073709551602,var_off=(0xffffffffffffff82; 0x7c)"},
+			/* New unknown value in R7 is (4n), >= 76 */
+			{14, "R7_w=scalar(umin=76,umax=1096,var_off=(0x0; 0x7fc))"},
+			/* Adding it to packet pointer gives nice bounds again */
+			{16, "R5_w=pkt(id=3,off=0,r=0,umin=2,umax=1082,var_off=(0x2; 0x7fc)"},
+			/* At the time the word size load is performed from R5,
+			 * its total fixed offset is NET_IP_ALIGN + reg->off (0)
+			 * which is 2.  Then the variable offset is (4n+2), so
+			 * the total offset is 4-byte aligned and meets the
+			 * load's requirements.
+			 */
+			{20, "R5=pkt(id=3,off=0,r=4,umin=2,umax=1082,var_off=(0x2; 0x7fc)"},
+		},
+	},
+};
+
+static int probe_filter_length(const struct bpf_insn *fp)
+{
+	int len;
+
+	for (len = MAX_INSNS - 1; len > 0; --len)
+		if (fp[len].code != 0 || fp[len].imm != 0)
+			break;
+	return len + 1;
+}
+
+static char bpf_vlog[32768];
+
+static int do_test_single(struct bpf_align_test *test)
+{
+	struct bpf_insn *prog = test->insns;
+	int prog_type = test->prog_type;
+	char bpf_vlog_copy[32768];
+	LIBBPF_OPTS(bpf_prog_load_opts, opts,
+		.prog_flags = BPF_F_STRICT_ALIGNMENT,
+		.log_buf = bpf_vlog,
+		.log_size = sizeof(bpf_vlog),
+		.log_level = 2,
+	);
+	const char *line_ptr;
+	int cur_line = -1;
+	int prog_len, i;
+	int fd_prog;
+	int ret;
+
+	prog_len = probe_filter_length(prog);
+	fd_prog = bpf_prog_load(prog_type ? : BPF_PROG_TYPE_SOCKET_FILTER, NULL, "GPL",
+				prog, prog_len, &opts);
+	if (fd_prog < 0 && test->result != REJECT) {
+		printf("Failed to load program.\n");
+		printf("%s", bpf_vlog);
+		ret = 1;
+	} else if (fd_prog >= 0 && test->result == REJECT) {
+		printf("Unexpected success to load!\n");
+		printf("%s", bpf_vlog);
+		ret = 1;
+		close(fd_prog);
+	} else {
+		ret = 0;
+		/* We make a local copy so that we can strtok() it */
+		strncpy(bpf_vlog_copy, bpf_vlog, sizeof(bpf_vlog_copy));
+		line_ptr = strtok(bpf_vlog_copy, "\n");
+		for (i = 0; i < MAX_MATCHES; i++) {
+			struct bpf_reg_match m = test->matches[i];
+			int tmp;
+
+			if (!m.match)
+				break;
+			while (line_ptr) {
+				cur_line = -1;
+				sscanf(line_ptr, "%u: ", &cur_line);
+				if (cur_line == -1)
+					sscanf(line_ptr, "from %u to %u: ", &tmp, &cur_line);
+				if (cur_line == m.line)
+					break;
+				line_ptr = strtok(NULL, "\n");
+			}
+			if (!line_ptr) {
+				printf("Failed to find line %u for match: %s\n",
+				       m.line, m.match);
+				ret = 1;
+				printf("%s", bpf_vlog);
+				break;
+			}
+			/* Check the next line as well in case the previous line
+			 * did not have a corresponding bpf insn. Example:
+			 * func#0 @0
+			 * 0: R1=ctx(off=0,imm=0) R10=fp0
+			 * 0: (b7) r3 = 2                 ; R3_w=2
+			 */
+			if (!strstr(line_ptr, m.match)) {
+				cur_line = -1;
+				line_ptr = strtok(NULL, "\n");
+				sscanf(line_ptr, "%u: ", &cur_line);
+			}
+			if (cur_line != m.line || !line_ptr ||
+			    !strstr(line_ptr, m.match)) {
+				printf("Failed to find match %u: %s\n",
+				       m.line, m.match);
+				ret = 1;
+				printf("%s", bpf_vlog);
+				break;
+			}
+		}
+		if (fd_prog >= 0)
+			close(fd_prog);
+	}
+	return ret;
+}
+
+void test_align(void)
+{
+	unsigned int i;
+
+	for (i = 0; i < ARRAY_SIZE(tests); i++) {
+		struct bpf_align_test *test = &tests[i];
+
+		if (!test__start_subtest(test->descr))
+			continue;
+
+		ASSERT_OK(do_test_single(test), test->descr);
+	}
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/arg_parsing.c b/tools/testing/selftests/bpf/prog_tests/arg_parsing.c
new file mode 100644
index 000000000..b17bfa0e0
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/arg_parsing.c
@@ -0,0 +1,107 @@
+// SPDX-License-Identifier: (LGPL-2.1 OR BSD-2-Clause)
+
+#include "test_progs.h"
+#include "testing_helpers.h"
+
+static void init_test_filter_set(struct test_filter_set *set)
+{
+	set->cnt = 0;
+	set->tests = NULL;
+}
+
+static void free_test_filter_set(struct test_filter_set *set)
+{
+	int i, j;
+
+	for (i = 0; i < set->cnt; i++) {
+		for (j = 0; j < set->tests[i].subtest_cnt; j++)
+			free((void *)set->tests[i].subtests[j]);
+		free(set->tests[i].subtests);
+		free(set->tests[i].name);
+	}
+
+	free(set->tests);
+	init_test_filter_set(set);
+}
+
+static void test_parse_test_list(void)
+{
+	struct test_filter_set set;
+
+	init_test_filter_set(&set);
+
+	ASSERT_OK(parse_test_list("arg_parsing", &set, true), "parsing");
+	if (!ASSERT_EQ(set.cnt, 1, "test filters count"))
+		goto error;
+	if (!ASSERT_OK_PTR(set.tests, "test filters initialized"))
+		goto error;
+	ASSERT_EQ(set.tests[0].subtest_cnt, 0, "subtest filters count");
+	ASSERT_OK(strcmp("arg_parsing", set.tests[0].name), "subtest name");
+	free_test_filter_set(&set);
+
+	ASSERT_OK(parse_test_list("arg_parsing,bpf_cookie", &set, true),
+		  "parsing");
+	if (!ASSERT_EQ(set.cnt, 2, "count of test filters"))
+		goto error;
+	if (!ASSERT_OK_PTR(set.tests, "test filters initialized"))
+		goto error;
+	ASSERT_EQ(set.tests[0].subtest_cnt, 0, "subtest filters count");
+	ASSERT_EQ(set.tests[1].subtest_cnt, 0, "subtest filters count");
+	ASSERT_OK(strcmp("arg_parsing", set.tests[0].name), "test name");
+	ASSERT_OK(strcmp("bpf_cookie", set.tests[1].name), "test name");
+	free_test_filter_set(&set);
+
+	ASSERT_OK(parse_test_list("arg_parsing/arg_parsing,bpf_cookie",
+				  &set,
+				  true),
+		  "parsing");
+	if (!ASSERT_EQ(set.cnt, 2, "count of test filters"))
+		goto error;
+	if (!ASSERT_OK_PTR(set.tests, "test filters initialized"))
+		goto error;
+	if (!ASSERT_EQ(set.tests[0].subtest_cnt, 1, "subtest filters count"))
+		goto error;
+	ASSERT_EQ(set.tests[1].subtest_cnt, 0, "subtest filters count");
+	ASSERT_OK(strcmp("arg_parsing", set.tests[0].name), "test name");
+	ASSERT_OK(strcmp("arg_parsing", set.tests[0].subtests[0]),
+		  "subtest name");
+	ASSERT_OK(strcmp("bpf_cookie", set.tests[1].name), "test name");
+	free_test_filter_set(&set);
+
+	ASSERT_OK(parse_test_list("arg_parsing/arg_parsing", &set, true),
+		  "parsing");
+	ASSERT_OK(parse_test_list("bpf_cookie", &set, true), "parsing");
+	ASSERT_OK(parse_test_list("send_signal", &set, true), "parsing");
+	if (!ASSERT_EQ(set.cnt, 3, "count of test filters"))
+		goto error;
+	if (!ASSERT_OK_PTR(set.tests, "test filters initialized"))
+		goto error;
+	if (!ASSERT_EQ(set.tests[0].subtest_cnt, 1, "subtest filters count"))
+		goto error;
+	ASSERT_EQ(set.tests[1].subtest_cnt, 0, "subtest filters count");
+	ASSERT_EQ(set.tests[2].subtest_cnt, 0, "subtest filters count");
+	ASSERT_OK(strcmp("arg_parsing", set.tests[0].name), "test name");
+	ASSERT_OK(strcmp("arg_parsing", set.tests[0].subtests[0]),
+		  "subtest name");
+	ASSERT_OK(strcmp("bpf_cookie", set.tests[1].name), "test name");
+	ASSERT_OK(strcmp("send_signal", set.tests[2].name), "test name");
+	free_test_filter_set(&set);
+
+	ASSERT_OK(parse_test_list("bpf_cookie/trace", &set, false), "parsing");
+	if (!ASSERT_EQ(set.cnt, 1, "count of test filters"))
+		goto error;
+	if (!ASSERT_OK_PTR(set.tests, "test filters initialized"))
+		goto error;
+	if (!ASSERT_EQ(set.tests[0].subtest_cnt, 1, "subtest filters count"))
+		goto error;
+	ASSERT_OK(strcmp("*bpf_cookie*", set.tests[0].name), "test name");
+	ASSERT_OK(strcmp("*trace*", set.tests[0].subtests[0]), "subtest name");
+error:
+	free_test_filter_set(&set);
+}
+
+void test_arg_parsing(void)
+{
+	if (test__start_subtest("test_parse_test_list"))
+		test_parse_test_list();
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/atomic_bounds.c b/tools/testing/selftests/bpf/prog_tests/atomic_bounds.c
new file mode 100644
index 000000000..69bd7853e
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/atomic_bounds.c
@@ -0,0 +1,17 @@
+// SPDX-License-Identifier: GPL-2.0
+
+#include <test_progs.h>
+
+#include "atomic_bounds.skel.h"
+
+void test_atomic_bounds(void)
+{
+	struct atomic_bounds *skel;
+	__u32 duration = 0;
+
+	skel = atomic_bounds__open_and_load();
+	if (CHECK(!skel, "skel_load", "couldn't load program\n"))
+		return;
+
+	atomic_bounds__destroy(skel);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/atomics.c b/tools/testing/selftests/bpf/prog_tests/atomics.c
new file mode 100644
index 000000000..13e101f37
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/atomics.c
@@ -0,0 +1,198 @@
+// SPDX-License-Identifier: GPL-2.0
+
+#include <test_progs.h>
+
+#include "atomics.lskel.h"
+
+static void test_add(struct atomics_lskel *skel)
+{
+	int err, prog_fd;
+	LIBBPF_OPTS(bpf_test_run_opts, topts);
+
+	/* No need to attach it, just run it directly */
+	prog_fd = skel->progs.add.prog_fd;
+	err = bpf_prog_test_run_opts(prog_fd, &topts);
+	if (!ASSERT_OK(err, "test_run_opts err"))
+		return;
+	if (!ASSERT_OK(topts.retval, "test_run_opts retval"))
+		return;
+
+	ASSERT_EQ(skel->data->add64_value, 3, "add64_value");
+	ASSERT_EQ(skel->bss->add64_result, 1, "add64_result");
+
+	ASSERT_EQ(skel->data->add32_value, 3, "add32_value");
+	ASSERT_EQ(skel->bss->add32_result, 1, "add32_result");
+
+	ASSERT_EQ(skel->bss->add_stack_value_copy, 3, "add_stack_value");
+	ASSERT_EQ(skel->bss->add_stack_result, 1, "add_stack_result");
+
+	ASSERT_EQ(skel->data->add_noreturn_value, 3, "add_noreturn_value");
+}
+
+static void test_sub(struct atomics_lskel *skel)
+{
+	int err, prog_fd;
+	LIBBPF_OPTS(bpf_test_run_opts, topts);
+
+	/* No need to attach it, just run it directly */
+	prog_fd = skel->progs.sub.prog_fd;
+	err = bpf_prog_test_run_opts(prog_fd, &topts);
+	if (!ASSERT_OK(err, "test_run_opts err"))
+		return;
+	if (!ASSERT_OK(topts.retval, "test_run_opts retval"))
+		return;
+
+	ASSERT_EQ(skel->data->sub64_value, -1, "sub64_value");
+	ASSERT_EQ(skel->bss->sub64_result, 1, "sub64_result");
+
+	ASSERT_EQ(skel->data->sub32_value, -1, "sub32_value");
+	ASSERT_EQ(skel->bss->sub32_result, 1, "sub32_result");
+
+	ASSERT_EQ(skel->bss->sub_stack_value_copy, -1, "sub_stack_value");
+	ASSERT_EQ(skel->bss->sub_stack_result, 1, "sub_stack_result");
+
+	ASSERT_EQ(skel->data->sub_noreturn_value, -1, "sub_noreturn_value");
+}
+
+static void test_and(struct atomics_lskel *skel)
+{
+	int err, prog_fd;
+	LIBBPF_OPTS(bpf_test_run_opts, topts);
+
+	/* No need to attach it, just run it directly */
+	prog_fd = skel->progs.and.prog_fd;
+	err = bpf_prog_test_run_opts(prog_fd, &topts);
+	if (!ASSERT_OK(err, "test_run_opts err"))
+		return;
+	if (!ASSERT_OK(topts.retval, "test_run_opts retval"))
+		return;
+
+	ASSERT_EQ(skel->data->and64_value, 0x010ull << 32, "and64_value");
+	ASSERT_EQ(skel->bss->and64_result, 0x110ull << 32, "and64_result");
+
+	ASSERT_EQ(skel->data->and32_value, 0x010, "and32_value");
+	ASSERT_EQ(skel->bss->and32_result, 0x110, "and32_result");
+
+	ASSERT_EQ(skel->data->and_noreturn_value, 0x010ull << 32, "and_noreturn_value");
+}
+
+static void test_or(struct atomics_lskel *skel)
+{
+	int err, prog_fd;
+	LIBBPF_OPTS(bpf_test_run_opts, topts);
+
+	/* No need to attach it, just run it directly */
+	prog_fd = skel->progs.or.prog_fd;
+	err = bpf_prog_test_run_opts(prog_fd, &topts);
+	if (!ASSERT_OK(err, "test_run_opts err"))
+		return;
+	if (!ASSERT_OK(topts.retval, "test_run_opts retval"))
+		return;
+
+	ASSERT_EQ(skel->data->or64_value, 0x111ull << 32, "or64_value");
+	ASSERT_EQ(skel->bss->or64_result, 0x110ull << 32, "or64_result");
+
+	ASSERT_EQ(skel->data->or32_value, 0x111, "or32_value");
+	ASSERT_EQ(skel->bss->or32_result, 0x110, "or32_result");
+
+	ASSERT_EQ(skel->data->or_noreturn_value, 0x111ull << 32, "or_noreturn_value");
+}
+
+static void test_xor(struct atomics_lskel *skel)
+{
+	int err, prog_fd;
+	LIBBPF_OPTS(bpf_test_run_opts, topts);
+
+	/* No need to attach it, just run it directly */
+	prog_fd = skel->progs.xor.prog_fd;
+	err = bpf_prog_test_run_opts(prog_fd, &topts);
+	if (!ASSERT_OK(err, "test_run_opts err"))
+		return;
+	if (!ASSERT_OK(topts.retval, "test_run_opts retval"))
+		return;
+
+	ASSERT_EQ(skel->data->xor64_value, 0x101ull << 32, "xor64_value");
+	ASSERT_EQ(skel->bss->xor64_result, 0x110ull << 32, "xor64_result");
+
+	ASSERT_EQ(skel->data->xor32_value, 0x101, "xor32_value");
+	ASSERT_EQ(skel->bss->xor32_result, 0x110, "xor32_result");
+
+	ASSERT_EQ(skel->data->xor_noreturn_value, 0x101ull << 32, "xor_nxoreturn_value");
+}
+
+static void test_cmpxchg(struct atomics_lskel *skel)
+{
+	int err, prog_fd;
+	LIBBPF_OPTS(bpf_test_run_opts, topts);
+
+	/* No need to attach it, just run it directly */
+	prog_fd = skel->progs.cmpxchg.prog_fd;
+	err = bpf_prog_test_run_opts(prog_fd, &topts);
+	if (!ASSERT_OK(err, "test_run_opts err"))
+		return;
+	if (!ASSERT_OK(topts.retval, "test_run_opts retval"))
+		return;
+
+	ASSERT_EQ(skel->data->cmpxchg64_value, 2, "cmpxchg64_value");
+	ASSERT_EQ(skel->bss->cmpxchg64_result_fail, 1, "cmpxchg_result_fail");
+	ASSERT_EQ(skel->bss->cmpxchg64_result_succeed, 1, "cmpxchg_result_succeed");
+
+	ASSERT_EQ(skel->data->cmpxchg32_value, 2, "lcmpxchg32_value");
+	ASSERT_EQ(skel->bss->cmpxchg32_result_fail, 1, "cmpxchg_result_fail");
+	ASSERT_EQ(skel->bss->cmpxchg32_result_succeed, 1, "cmpxchg_result_succeed");
+}
+
+static void test_xchg(struct atomics_lskel *skel)
+{
+	int err, prog_fd;
+	LIBBPF_OPTS(bpf_test_run_opts, topts);
+
+	/* No need to attach it, just run it directly */
+	prog_fd = skel->progs.xchg.prog_fd;
+	err = bpf_prog_test_run_opts(prog_fd, &topts);
+	if (!ASSERT_OK(err, "test_run_opts err"))
+		return;
+	if (!ASSERT_OK(topts.retval, "test_run_opts retval"))
+		return;
+
+	ASSERT_EQ(skel->data->xchg64_value, 2, "xchg64_value");
+	ASSERT_EQ(skel->bss->xchg64_result, 1, "xchg64_result");
+
+	ASSERT_EQ(skel->data->xchg32_value, 2, "xchg32_value");
+	ASSERT_EQ(skel->bss->xchg32_result, 1, "xchg32_result");
+}
+
+void test_atomics(void)
+{
+	struct atomics_lskel *skel;
+
+	skel = atomics_lskel__open_and_load();
+	if (!ASSERT_OK_PTR(skel, "atomics skeleton load"))
+		return;
+
+	if (skel->data->skip_tests) {
+		printf("%s:SKIP:no ENABLE_ATOMICS_TESTS (missing Clang BPF atomics support)",
+		       __func__);
+		test__skip();
+		goto cleanup;
+	}
+	skel->bss->pid = getpid();
+
+	if (test__start_subtest("add"))
+		test_add(skel);
+	if (test__start_subtest("sub"))
+		test_sub(skel);
+	if (test__start_subtest("and"))
+		test_and(skel);
+	if (test__start_subtest("or"))
+		test_or(skel);
+	if (test__start_subtest("xor"))
+		test_xor(skel);
+	if (test__start_subtest("cmpxchg"))
+		test_cmpxchg(skel);
+	if (test__start_subtest("xchg"))
+		test_xchg(skel);
+
+cleanup:
+	atomics_lskel__destroy(skel);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/attach_probe.c b/tools/testing/selftests/bpf/prog_tests/attach_probe.c
new file mode 100644
index 000000000..9566d9d2f
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/attach_probe.c
@@ -0,0 +1,228 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <test_progs.h>
+#include "test_attach_probe.skel.h"
+
+/* this is how USDT semaphore is actually defined, except volatile modifier */
+volatile unsigned short uprobe_ref_ctr __attribute__((unused)) __attribute((section(".probes")));
+
+/* uprobe attach point */
+static noinline void trigger_func(void)
+{
+	asm volatile ("");
+}
+
+/* attach point for byname uprobe */
+static noinline void trigger_func2(void)
+{
+	asm volatile ("");
+}
+
+/* attach point for byname sleepable uprobe */
+static noinline void trigger_func3(void)
+{
+	asm volatile ("");
+}
+
+static char test_data[] = "test_data";
+
+void test_attach_probe(void)
+{
+	DECLARE_LIBBPF_OPTS(bpf_uprobe_opts, uprobe_opts);
+	struct bpf_link *kprobe_link, *kretprobe_link;
+	struct bpf_link *uprobe_link, *uretprobe_link;
+	struct test_attach_probe* skel;
+	ssize_t uprobe_offset, ref_ctr_offset;
+	struct bpf_link *uprobe_err_link;
+	bool legacy;
+	char *mem;
+
+	/* Check if new-style kprobe/uprobe API is supported.
+	 * Kernels that support new FD-based kprobe and uprobe BPF attachment
+	 * through perf_event_open() syscall expose
+	 * /sys/bus/event_source/devices/kprobe/type and
+	 * /sys/bus/event_source/devices/uprobe/type files, respectively. They
+	 * contain magic numbers that are passed as "type" field of
+	 * perf_event_attr. Lack of such file in the system indicates legacy
+	 * kernel with old-style kprobe/uprobe attach interface through
+	 * creating per-probe event through tracefs. For such cases
+	 * ref_ctr_offset feature is not supported, so we don't test it.
+	 */
+	legacy = access("/sys/bus/event_source/devices/kprobe/type", F_OK) != 0;
+
+	uprobe_offset = get_uprobe_offset(&trigger_func);
+	if (!ASSERT_GE(uprobe_offset, 0, "uprobe_offset"))
+		return;
+
+	ref_ctr_offset = get_rel_offset((uintptr_t)&uprobe_ref_ctr);
+	if (!ASSERT_GE(ref_ctr_offset, 0, "ref_ctr_offset"))
+		return;
+
+	skel = test_attach_probe__open();
+	if (!ASSERT_OK_PTR(skel, "skel_open"))
+		return;
+
+	/* sleepable kprobe test case needs flags set before loading */
+	if (!ASSERT_OK(bpf_program__set_flags(skel->progs.handle_kprobe_sleepable,
+		BPF_F_SLEEPABLE), "kprobe_sleepable_flags"))
+		goto cleanup;
+
+	if (!ASSERT_OK(test_attach_probe__load(skel), "skel_load"))
+		goto cleanup;
+	if (!ASSERT_OK_PTR(skel->bss, "check_bss"))
+		goto cleanup;
+
+	/* manual-attach kprobe/kretprobe */
+	kprobe_link = bpf_program__attach_kprobe(skel->progs.handle_kprobe,
+						 false /* retprobe */,
+						 SYS_NANOSLEEP_KPROBE_NAME);
+	if (!ASSERT_OK_PTR(kprobe_link, "attach_kprobe"))
+		goto cleanup;
+	skel->links.handle_kprobe = kprobe_link;
+
+	kretprobe_link = bpf_program__attach_kprobe(skel->progs.handle_kretprobe,
+						    true /* retprobe */,
+						    SYS_NANOSLEEP_KPROBE_NAME);
+	if (!ASSERT_OK_PTR(kretprobe_link, "attach_kretprobe"))
+		goto cleanup;
+	skel->links.handle_kretprobe = kretprobe_link;
+
+	/* auto-attachable kprobe and kretprobe */
+	skel->links.handle_kprobe_auto = bpf_program__attach(skel->progs.handle_kprobe_auto);
+	ASSERT_OK_PTR(skel->links.handle_kprobe_auto, "attach_kprobe_auto");
+
+	skel->links.handle_kretprobe_auto = bpf_program__attach(skel->progs.handle_kretprobe_auto);
+	ASSERT_OK_PTR(skel->links.handle_kretprobe_auto, "attach_kretprobe_auto");
+
+	if (!legacy)
+		ASSERT_EQ(uprobe_ref_ctr, 0, "uprobe_ref_ctr_before");
+
+	uprobe_opts.retprobe = false;
+	uprobe_opts.ref_ctr_offset = legacy ? 0 : ref_ctr_offset;
+	uprobe_link = bpf_program__attach_uprobe_opts(skel->progs.handle_uprobe,
+						      0 /* self pid */,
+						      "/proc/self/exe",
+						      uprobe_offset,
+						      &uprobe_opts);
+	if (!ASSERT_OK_PTR(uprobe_link, "attach_uprobe"))
+		goto cleanup;
+	skel->links.handle_uprobe = uprobe_link;
+
+	if (!legacy)
+		ASSERT_GT(uprobe_ref_ctr, 0, "uprobe_ref_ctr_after");
+
+	/* if uprobe uses ref_ctr, uretprobe has to use ref_ctr as well */
+	uprobe_opts.retprobe = true;
+	uprobe_opts.ref_ctr_offset = legacy ? 0 : ref_ctr_offset;
+	uretprobe_link = bpf_program__attach_uprobe_opts(skel->progs.handle_uretprobe,
+							 -1 /* any pid */,
+							 "/proc/self/exe",
+							 uprobe_offset, &uprobe_opts);
+	if (!ASSERT_OK_PTR(uretprobe_link, "attach_uretprobe"))
+		goto cleanup;
+	skel->links.handle_uretprobe = uretprobe_link;
+
+	/* verify auto-attach fails for old-style uprobe definition */
+	uprobe_err_link = bpf_program__attach(skel->progs.handle_uprobe_byname);
+	if (!ASSERT_EQ(libbpf_get_error(uprobe_err_link), -EOPNOTSUPP,
+		       "auto-attach should fail for old-style name"))
+		goto cleanup;
+
+	uprobe_opts.func_name = "trigger_func2";
+	uprobe_opts.retprobe = false;
+	uprobe_opts.ref_ctr_offset = 0;
+	skel->links.handle_uprobe_byname =
+			bpf_program__attach_uprobe_opts(skel->progs.handle_uprobe_byname,
+							0 /* this pid */,
+							"/proc/self/exe",
+							0, &uprobe_opts);
+	if (!ASSERT_OK_PTR(skel->links.handle_uprobe_byname, "attach_uprobe_byname"))
+		goto cleanup;
+
+	/* verify auto-attach works */
+	skel->links.handle_uretprobe_byname =
+			bpf_program__attach(skel->progs.handle_uretprobe_byname);
+	if (!ASSERT_OK_PTR(skel->links.handle_uretprobe_byname, "attach_uretprobe_byname"))
+		goto cleanup;
+
+	/* test attach by name for a library function, using the library
+	 * as the binary argument. libc.so.6 will be resolved via dlopen()/dlinfo().
+	 */
+	uprobe_opts.func_name = "malloc";
+	uprobe_opts.retprobe = false;
+	skel->links.handle_uprobe_byname2 =
+			bpf_program__attach_uprobe_opts(skel->progs.handle_uprobe_byname2,
+							0 /* this pid */,
+							"libc.so.6",
+							0, &uprobe_opts);
+	if (!ASSERT_OK_PTR(skel->links.handle_uprobe_byname2, "attach_uprobe_byname2"))
+		goto cleanup;
+
+	uprobe_opts.func_name = "free";
+	uprobe_opts.retprobe = true;
+	skel->links.handle_uretprobe_byname2 =
+			bpf_program__attach_uprobe_opts(skel->progs.handle_uretprobe_byname2,
+							-1 /* any pid */,
+							"libc.so.6",
+							0, &uprobe_opts);
+	if (!ASSERT_OK_PTR(skel->links.handle_uretprobe_byname2, "attach_uretprobe_byname2"))
+		goto cleanup;
+
+	/* sleepable kprobes should not attach successfully */
+	skel->links.handle_kprobe_sleepable = bpf_program__attach(skel->progs.handle_kprobe_sleepable);
+	if (!ASSERT_ERR_PTR(skel->links.handle_kprobe_sleepable, "attach_kprobe_sleepable"))
+		goto cleanup;
+
+	/* test sleepable uprobe and uretprobe variants */
+	skel->links.handle_uprobe_byname3_sleepable = bpf_program__attach(skel->progs.handle_uprobe_byname3_sleepable);
+	if (!ASSERT_OK_PTR(skel->links.handle_uprobe_byname3_sleepable, "attach_uprobe_byname3_sleepable"))
+		goto cleanup;
+
+	skel->links.handle_uprobe_byname3 = bpf_program__attach(skel->progs.handle_uprobe_byname3);
+	if (!ASSERT_OK_PTR(skel->links.handle_uprobe_byname3, "attach_uprobe_byname3"))
+		goto cleanup;
+
+	skel->links.handle_uretprobe_byname3_sleepable = bpf_program__attach(skel->progs.handle_uretprobe_byname3_sleepable);
+	if (!ASSERT_OK_PTR(skel->links.handle_uretprobe_byname3_sleepable, "attach_uretprobe_byname3_sleepable"))
+		goto cleanup;
+
+	skel->links.handle_uretprobe_byname3 = bpf_program__attach(skel->progs.handle_uretprobe_byname3);
+	if (!ASSERT_OK_PTR(skel->links.handle_uretprobe_byname3, "attach_uretprobe_byname3"))
+		goto cleanup;
+
+	skel->bss->user_ptr = test_data;
+
+	/* trigger & validate kprobe && kretprobe */
+	usleep(1);
+
+	/* trigger & validate shared library u[ret]probes attached by name */
+	mem = malloc(1);
+	free(mem);
+
+	/* trigger & validate uprobe & uretprobe */
+	trigger_func();
+
+	/* trigger & validate uprobe attached by name */
+	trigger_func2();
+
+	/* trigger & validate sleepable uprobe attached by name */
+	trigger_func3();
+
+	ASSERT_EQ(skel->bss->kprobe_res, 1, "check_kprobe_res");
+	ASSERT_EQ(skel->bss->kprobe2_res, 11, "check_kprobe_auto_res");
+	ASSERT_EQ(skel->bss->kretprobe_res, 2, "check_kretprobe_res");
+	ASSERT_EQ(skel->bss->kretprobe2_res, 22, "check_kretprobe_auto_res");
+	ASSERT_EQ(skel->bss->uprobe_res, 3, "check_uprobe_res");
+	ASSERT_EQ(skel->bss->uretprobe_res, 4, "check_uretprobe_res");
+	ASSERT_EQ(skel->bss->uprobe_byname_res, 5, "check_uprobe_byname_res");
+	ASSERT_EQ(skel->bss->uretprobe_byname_res, 6, "check_uretprobe_byname_res");
+	ASSERT_EQ(skel->bss->uprobe_byname2_res, 7, "check_uprobe_byname2_res");
+	ASSERT_EQ(skel->bss->uretprobe_byname2_res, 8, "check_uretprobe_byname2_res");
+	ASSERT_EQ(skel->bss->uprobe_byname3_sleepable_res, 9, "check_uprobe_byname3_sleepable_res");
+	ASSERT_EQ(skel->bss->uprobe_byname3_res, 10, "check_uprobe_byname3_res");
+	ASSERT_EQ(skel->bss->uretprobe_byname3_sleepable_res, 11, "check_uretprobe_byname3_sleepable_res");
+	ASSERT_EQ(skel->bss->uretprobe_byname3_res, 12, "check_uretprobe_byname3_res");
+
+cleanup:
+	test_attach_probe__destroy(skel);
+	ASSERT_EQ(uprobe_ref_ctr, 0, "uprobe_ref_ctr_cleanup");
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/autoattach.c b/tools/testing/selftests/bpf/prog_tests/autoattach.c
new file mode 100644
index 000000000..dc5e01d27
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/autoattach.c
@@ -0,0 +1,30 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2022 Google */
+
+#include <test_progs.h>
+#include "test_autoattach.skel.h"
+
+void test_autoattach(void)
+{
+	struct test_autoattach *skel;
+
+	skel = test_autoattach__open_and_load();
+	if (!ASSERT_OK_PTR(skel, "skel_open_and_load"))
+		goto cleanup;
+
+	/* disable auto-attach for prog2 */
+	bpf_program__set_autoattach(skel->progs.prog2, false);
+	ASSERT_TRUE(bpf_program__autoattach(skel->progs.prog1), "autoattach_prog1");
+	ASSERT_FALSE(bpf_program__autoattach(skel->progs.prog2), "autoattach_prog2");
+	if (!ASSERT_OK(test_autoattach__attach(skel), "skel_attach"))
+		goto cleanup;
+
+	usleep(1);
+
+	ASSERT_TRUE(skel->bss->prog1_called, "attached_prog1");
+	ASSERT_FALSE(skel->bss->prog2_called, "attached_prog2");
+
+cleanup:
+	test_autoattach__destroy(skel);
+}
+
diff --git a/tools/testing/selftests/bpf/prog_tests/autoload.c b/tools/testing/selftests/bpf/prog_tests/autoload.c
new file mode 100644
index 000000000..3693f7d13
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/autoload.c
@@ -0,0 +1,41 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2020 Facebook */
+
+#include <test_progs.h>
+#include <time.h>
+#include "test_autoload.skel.h"
+
+void test_autoload(void)
+{
+	int duration = 0, err;
+	struct test_autoload* skel;
+
+	skel = test_autoload__open_and_load();
+	/* prog3 should be broken */
+	if (CHECK(skel, "skel_open_and_load", "unexpected success\n"))
+		goto cleanup;
+
+	skel = test_autoload__open();
+	if (CHECK(!skel, "skel_open", "failed to open skeleton\n"))
+		goto cleanup;
+
+	/* don't load prog3 */
+	bpf_program__set_autoload(skel->progs.prog3, false);
+
+	err = test_autoload__load(skel);
+	if (CHECK(err, "skel_load", "failed to load skeleton: %d\n", err))
+		goto cleanup;
+
+	err = test_autoload__attach(skel);
+	if (CHECK(err, "skel_attach", "skeleton attach failed: %d\n", err))
+		goto cleanup;
+
+	usleep(1);
+
+	CHECK(!skel->bss->prog1_called, "prog1", "not called\n");
+	CHECK(!skel->bss->prog2_called, "prog2", "not called\n");
+	CHECK(skel->bss->prog3_called, "prog3", "called?!\n");
+
+cleanup:
+	test_autoload__destroy(skel);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/bind_perm.c b/tools/testing/selftests/bpf/prog_tests/bind_perm.c
new file mode 100644
index 000000000..a1766a298
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/bind_perm.c
@@ -0,0 +1,95 @@
+// SPDX-License-Identifier: GPL-2.0
+#define _GNU_SOURCE
+#include <sched.h>
+#include <stdlib.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+
+#include "test_progs.h"
+#include "cap_helpers.h"
+#include "bind_perm.skel.h"
+
+static int duration;
+
+static int create_netns(void)
+{
+	if (!ASSERT_OK(unshare(CLONE_NEWNET), "create netns"))
+		return -1;
+
+	return 0;
+}
+
+void try_bind(int family, int port, int expected_errno)
+{
+	struct sockaddr_storage addr = {};
+	struct sockaddr_in6 *sin6;
+	struct sockaddr_in *sin;
+	int fd = -1;
+
+	fd = socket(family, SOCK_STREAM, 0);
+	if (CHECK(fd < 0, "fd", "errno %d", errno))
+		goto close_socket;
+
+	if (family == AF_INET) {
+		sin = (struct sockaddr_in *)&addr;
+		sin->sin_family = family;
+		sin->sin_port = htons(port);
+	} else {
+		sin6 = (struct sockaddr_in6 *)&addr;
+		sin6->sin6_family = family;
+		sin6->sin6_port = htons(port);
+	}
+
+	errno = 0;
+	bind(fd, (struct sockaddr *)&addr, sizeof(addr));
+	ASSERT_EQ(errno, expected_errno, "bind");
+
+close_socket:
+	if (fd >= 0)
+		close(fd);
+}
+
+void test_bind_perm(void)
+{
+	const __u64 net_bind_svc_cap = 1ULL << CAP_NET_BIND_SERVICE;
+	struct bind_perm *skel;
+	__u64 old_caps = 0;
+	int cgroup_fd;
+
+	if (create_netns())
+		return;
+
+	cgroup_fd = test__join_cgroup("/bind_perm");
+	if (CHECK(cgroup_fd < 0, "cg-join", "errno %d", errno))
+		return;
+
+	skel = bind_perm__open_and_load();
+	if (!ASSERT_OK_PTR(skel, "skel"))
+		goto close_cgroup_fd;
+
+	skel->links.bind_v4_prog = bpf_program__attach_cgroup(skel->progs.bind_v4_prog, cgroup_fd);
+	if (!ASSERT_OK_PTR(skel, "bind_v4_prog"))
+		goto close_skeleton;
+
+	skel->links.bind_v6_prog = bpf_program__attach_cgroup(skel->progs.bind_v6_prog, cgroup_fd);
+	if (!ASSERT_OK_PTR(skel, "bind_v6_prog"))
+		goto close_skeleton;
+
+	ASSERT_OK(cap_disable_effective(net_bind_svc_cap, &old_caps),
+		  "cap_disable_effective");
+
+	try_bind(AF_INET, 110, EACCES);
+	try_bind(AF_INET6, 110, EACCES);
+
+	try_bind(AF_INET, 111, 0);
+	try_bind(AF_INET6, 111, 0);
+
+	if (old_caps & net_bind_svc_cap)
+		ASSERT_OK(cap_enable_effective(net_bind_svc_cap, NULL),
+			  "cap_enable_effective");
+
+close_skeleton:
+	bind_perm__destroy(skel);
+close_cgroup_fd:
+	close(cgroup_fd);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/bloom_filter_map.c b/tools/testing/selftests/bpf/prog_tests/bloom_filter_map.c
new file mode 100644
index 000000000..d2d9e965e
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/bloom_filter_map.c
@@ -0,0 +1,213 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2021 Facebook */
+
+#include <sys/syscall.h>
+#include <test_progs.h>
+#include "bloom_filter_map.skel.h"
+
+static void test_fail_cases(void)
+{
+	LIBBPF_OPTS(bpf_map_create_opts, opts);
+	__u32 value;
+	int fd, err;
+
+	/* Invalid key size */
+	fd = bpf_map_create(BPF_MAP_TYPE_BLOOM_FILTER, NULL, 4, sizeof(value), 100, NULL);
+	if (!ASSERT_LT(fd, 0, "bpf_map_create bloom filter invalid key size"))
+		close(fd);
+
+	/* Invalid value size */
+	fd = bpf_map_create(BPF_MAP_TYPE_BLOOM_FILTER, NULL, 0, 0, 100, NULL);
+	if (!ASSERT_LT(fd, 0, "bpf_map_create bloom filter invalid value size 0"))
+		close(fd);
+
+	/* Invalid max entries size */
+	fd = bpf_map_create(BPF_MAP_TYPE_BLOOM_FILTER, NULL, 0, sizeof(value), 0, NULL);
+	if (!ASSERT_LT(fd, 0, "bpf_map_create bloom filter invalid max entries size"))
+		close(fd);
+
+	/* Bloom filter maps do not support BPF_F_NO_PREALLOC */
+	opts.map_flags = BPF_F_NO_PREALLOC;
+	fd = bpf_map_create(BPF_MAP_TYPE_BLOOM_FILTER, NULL, 0, sizeof(value), 100, &opts);
+	if (!ASSERT_LT(fd, 0, "bpf_map_create bloom filter invalid flags"))
+		close(fd);
+
+	fd = bpf_map_create(BPF_MAP_TYPE_BLOOM_FILTER, NULL, 0, sizeof(value), 100, NULL);
+	if (!ASSERT_GE(fd, 0, "bpf_map_create bloom filter"))
+		return;
+
+	/* Test invalid flags */
+	err = bpf_map_update_elem(fd, NULL, &value, -1);
+	ASSERT_EQ(err, -EINVAL, "bpf_map_update_elem bloom filter invalid flags");
+
+	err = bpf_map_update_elem(fd, NULL, &value, BPF_EXIST);
+	ASSERT_EQ(err, -EINVAL, "bpf_map_update_elem bloom filter invalid flags");
+
+	err = bpf_map_update_elem(fd, NULL, &value, BPF_F_LOCK);
+	ASSERT_EQ(err, -EINVAL, "bpf_map_update_elem bloom filter invalid flags");
+
+	err = bpf_map_update_elem(fd, NULL, &value, BPF_NOEXIST);
+	ASSERT_EQ(err, -EINVAL, "bpf_map_update_elem bloom filter invalid flags");
+
+	err = bpf_map_update_elem(fd, NULL, &value, 10000);
+	ASSERT_EQ(err, -EINVAL, "bpf_map_update_elem bloom filter invalid flags");
+
+	close(fd);
+}
+
+static void test_success_cases(void)
+{
+	LIBBPF_OPTS(bpf_map_create_opts, opts);
+	char value[11];
+	int fd, err;
+
+	/* Create a map */
+	opts.map_flags = BPF_F_ZERO_SEED | BPF_F_NUMA_NODE;
+	fd = bpf_map_create(BPF_MAP_TYPE_BLOOM_FILTER, NULL, 0, sizeof(value), 100, &opts);
+	if (!ASSERT_GE(fd, 0, "bpf_map_create bloom filter success case"))
+		return;
+
+	/* Add a value to the bloom filter */
+	err = bpf_map_update_elem(fd, NULL, &value, 0);
+	if (!ASSERT_OK(err, "bpf_map_update_elem bloom filter success case"))
+		goto done;
+
+	 /* Lookup a value in the bloom filter */
+	err = bpf_map_lookup_elem(fd, NULL, &value);
+	ASSERT_OK(err, "bpf_map_update_elem bloom filter success case");
+
+done:
+	close(fd);
+}
+
+static void check_bloom(struct bloom_filter_map *skel)
+{
+	struct bpf_link *link;
+
+	link = bpf_program__attach(skel->progs.check_bloom);
+	if (!ASSERT_OK_PTR(link, "link"))
+		return;
+
+	syscall(SYS_getpgid);
+
+	ASSERT_EQ(skel->bss->error, 0, "error");
+
+	bpf_link__destroy(link);
+}
+
+static void test_inner_map(struct bloom_filter_map *skel, const __u32 *rand_vals,
+			   __u32 nr_rand_vals)
+{
+	int outer_map_fd, inner_map_fd, err, i, key = 0;
+	struct bpf_link *link;
+
+	/* Create a bloom filter map that will be used as the inner map */
+	inner_map_fd = bpf_map_create(BPF_MAP_TYPE_BLOOM_FILTER, NULL, 0, sizeof(*rand_vals),
+				      nr_rand_vals, NULL);
+	if (!ASSERT_GE(inner_map_fd, 0, "bpf_map_create bloom filter inner map"))
+		return;
+
+	for (i = 0; i < nr_rand_vals; i++) {
+		err = bpf_map_update_elem(inner_map_fd, NULL, rand_vals + i, BPF_ANY);
+		if (!ASSERT_OK(err, "Add random value to inner_map_fd"))
+			goto done;
+	}
+
+	/* Add the bloom filter map to the outer map */
+	outer_map_fd = bpf_map__fd(skel->maps.outer_map);
+	err = bpf_map_update_elem(outer_map_fd, &key, &inner_map_fd, BPF_ANY);
+	if (!ASSERT_OK(err, "Add bloom filter map to outer map"))
+		goto done;
+
+	/* Attach the bloom_filter_inner_map prog */
+	link = bpf_program__attach(skel->progs.inner_map);
+	if (!ASSERT_OK_PTR(link, "link"))
+		goto delete_inner_map;
+
+	syscall(SYS_getpgid);
+
+	ASSERT_EQ(skel->bss->error, 0, "error");
+
+	bpf_link__destroy(link);
+
+delete_inner_map:
+	/* Ensure the inner bloom filter map can be deleted */
+	err = bpf_map_delete_elem(outer_map_fd, &key);
+	ASSERT_OK(err, "Delete inner bloom filter map");
+
+done:
+	close(inner_map_fd);
+}
+
+static int setup_progs(struct bloom_filter_map **out_skel, __u32 **out_rand_vals,
+		       __u32 *out_nr_rand_vals)
+{
+	struct bloom_filter_map *skel;
+	int random_data_fd, bloom_fd;
+	__u32 *rand_vals = NULL;
+	__u32 map_size, val;
+	int err, i;
+
+	/* Set up a bloom filter map skeleton */
+	skel = bloom_filter_map__open_and_load();
+	if (!ASSERT_OK_PTR(skel, "bloom_filter_map__open_and_load"))
+		return -EINVAL;
+
+	/* Set up rand_vals */
+	map_size = bpf_map__max_entries(skel->maps.map_random_data);
+	rand_vals = malloc(sizeof(*rand_vals) * map_size);
+	if (!rand_vals) {
+		err = -ENOMEM;
+		goto error;
+	}
+
+	/* Generate random values and populate both skeletons */
+	random_data_fd = bpf_map__fd(skel->maps.map_random_data);
+	bloom_fd = bpf_map__fd(skel->maps.map_bloom);
+	for (i = 0; i < map_size; i++) {
+		val = rand();
+
+		err = bpf_map_update_elem(random_data_fd, &i, &val, BPF_ANY);
+		if (!ASSERT_OK(err, "Add random value to map_random_data"))
+			goto error;
+
+		err = bpf_map_update_elem(bloom_fd, NULL, &val, BPF_ANY);
+		if (!ASSERT_OK(err, "Add random value to map_bloom"))
+			goto error;
+
+		rand_vals[i] = val;
+	}
+
+	*out_skel = skel;
+	*out_rand_vals = rand_vals;
+	*out_nr_rand_vals = map_size;
+
+	return 0;
+
+error:
+	bloom_filter_map__destroy(skel);
+	if (rand_vals)
+		free(rand_vals);
+	return err;
+}
+
+void test_bloom_filter_map(void)
+{
+	__u32 *rand_vals, nr_rand_vals;
+	struct bloom_filter_map *skel;
+	int err;
+
+	test_fail_cases();
+	test_success_cases();
+
+	err = setup_progs(&skel, &rand_vals, &nr_rand_vals);
+	if (err)
+		return;
+
+	test_inner_map(skel, rand_vals, nr_rand_vals);
+	free(rand_vals);
+
+	check_bloom(skel);
+
+	bloom_filter_map__destroy(skel);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/bpf_cookie.c b/tools/testing/selftests/bpf/prog_tests/bpf_cookie.c
new file mode 100644
index 000000000..2be2d6195
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/bpf_cookie.c
@@ -0,0 +1,526 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2021 Facebook */
+#define _GNU_SOURCE
+#include <pthread.h>
+#include <sched.h>
+#include <sys/syscall.h>
+#include <sys/mman.h>
+#include <unistd.h>
+#include <test_progs.h>
+#include <network_helpers.h>
+#include <bpf/btf.h>
+#include "test_bpf_cookie.skel.h"
+#include "kprobe_multi.skel.h"
+
+/* uprobe attach point */
+static noinline void trigger_func(void)
+{
+	asm volatile ("");
+}
+
+static void kprobe_subtest(struct test_bpf_cookie *skel)
+{
+	DECLARE_LIBBPF_OPTS(bpf_kprobe_opts, opts);
+	struct bpf_link *link1 = NULL, *link2 = NULL;
+	struct bpf_link *retlink1 = NULL, *retlink2 = NULL;
+
+	/* attach two kprobes */
+	opts.bpf_cookie = 0x1;
+	opts.retprobe = false;
+	link1 = bpf_program__attach_kprobe_opts(skel->progs.handle_kprobe,
+						 SYS_NANOSLEEP_KPROBE_NAME, &opts);
+	if (!ASSERT_OK_PTR(link1, "link1"))
+		goto cleanup;
+
+	opts.bpf_cookie = 0x2;
+	opts.retprobe = false;
+	link2 = bpf_program__attach_kprobe_opts(skel->progs.handle_kprobe,
+						 SYS_NANOSLEEP_KPROBE_NAME, &opts);
+	if (!ASSERT_OK_PTR(link2, "link2"))
+		goto cleanup;
+
+	/* attach two kretprobes */
+	opts.bpf_cookie = 0x10;
+	opts.retprobe = true;
+	retlink1 = bpf_program__attach_kprobe_opts(skel->progs.handle_kretprobe,
+						    SYS_NANOSLEEP_KPROBE_NAME, &opts);
+	if (!ASSERT_OK_PTR(retlink1, "retlink1"))
+		goto cleanup;
+
+	opts.bpf_cookie = 0x20;
+	opts.retprobe = true;
+	retlink2 = bpf_program__attach_kprobe_opts(skel->progs.handle_kretprobe,
+						    SYS_NANOSLEEP_KPROBE_NAME, &opts);
+	if (!ASSERT_OK_PTR(retlink2, "retlink2"))
+		goto cleanup;
+
+	/* trigger kprobe && kretprobe */
+	usleep(1);
+
+	ASSERT_EQ(skel->bss->kprobe_res, 0x1 | 0x2, "kprobe_res");
+	ASSERT_EQ(skel->bss->kretprobe_res, 0x10 | 0x20, "kretprobe_res");
+
+cleanup:
+	bpf_link__destroy(link1);
+	bpf_link__destroy(link2);
+	bpf_link__destroy(retlink1);
+	bpf_link__destroy(retlink2);
+}
+
+static void kprobe_multi_test_run(struct kprobe_multi *skel)
+{
+	LIBBPF_OPTS(bpf_test_run_opts, topts);
+	int err, prog_fd;
+
+	prog_fd = bpf_program__fd(skel->progs.trigger);
+	err = bpf_prog_test_run_opts(prog_fd, &topts);
+	ASSERT_OK(err, "test_run");
+	ASSERT_EQ(topts.retval, 0, "test_run");
+
+	ASSERT_EQ(skel->bss->kprobe_test1_result, 1, "kprobe_test1_result");
+	ASSERT_EQ(skel->bss->kprobe_test2_result, 1, "kprobe_test2_result");
+	ASSERT_EQ(skel->bss->kprobe_test3_result, 1, "kprobe_test3_result");
+	ASSERT_EQ(skel->bss->kprobe_test4_result, 1, "kprobe_test4_result");
+	ASSERT_EQ(skel->bss->kprobe_test5_result, 1, "kprobe_test5_result");
+	ASSERT_EQ(skel->bss->kprobe_test6_result, 1, "kprobe_test6_result");
+	ASSERT_EQ(skel->bss->kprobe_test7_result, 1, "kprobe_test7_result");
+	ASSERT_EQ(skel->bss->kprobe_test8_result, 1, "kprobe_test8_result");
+
+	ASSERT_EQ(skel->bss->kretprobe_test1_result, 1, "kretprobe_test1_result");
+	ASSERT_EQ(skel->bss->kretprobe_test2_result, 1, "kretprobe_test2_result");
+	ASSERT_EQ(skel->bss->kretprobe_test3_result, 1, "kretprobe_test3_result");
+	ASSERT_EQ(skel->bss->kretprobe_test4_result, 1, "kretprobe_test4_result");
+	ASSERT_EQ(skel->bss->kretprobe_test5_result, 1, "kretprobe_test5_result");
+	ASSERT_EQ(skel->bss->kretprobe_test6_result, 1, "kretprobe_test6_result");
+	ASSERT_EQ(skel->bss->kretprobe_test7_result, 1, "kretprobe_test7_result");
+	ASSERT_EQ(skel->bss->kretprobe_test8_result, 1, "kretprobe_test8_result");
+}
+
+static void kprobe_multi_link_api_subtest(void)
+{
+	int prog_fd, link1_fd = -1, link2_fd = -1;
+	struct kprobe_multi *skel = NULL;
+	LIBBPF_OPTS(bpf_link_create_opts, opts);
+	unsigned long long addrs[8];
+	__u64 cookies[8];
+
+	if (!ASSERT_OK(load_kallsyms(), "load_kallsyms"))
+		goto cleanup;
+
+	skel = kprobe_multi__open_and_load();
+	if (!ASSERT_OK_PTR(skel, "fentry_raw_skel_load"))
+		goto cleanup;
+
+	skel->bss->pid = getpid();
+	skel->bss->test_cookie = true;
+
+#define GET_ADDR(__sym, __addr) ({				\
+	__addr = ksym_get_addr(__sym);				\
+	if (!ASSERT_NEQ(__addr, 0, "ksym_get_addr " #__sym))	\
+		goto cleanup;					\
+})
+
+	GET_ADDR("bpf_fentry_test1", addrs[0]);
+	GET_ADDR("bpf_fentry_test3", addrs[1]);
+	GET_ADDR("bpf_fentry_test4", addrs[2]);
+	GET_ADDR("bpf_fentry_test5", addrs[3]);
+	GET_ADDR("bpf_fentry_test6", addrs[4]);
+	GET_ADDR("bpf_fentry_test7", addrs[5]);
+	GET_ADDR("bpf_fentry_test2", addrs[6]);
+	GET_ADDR("bpf_fentry_test8", addrs[7]);
+
+#undef GET_ADDR
+
+	cookies[0] = 1; /* bpf_fentry_test1 */
+	cookies[1] = 2; /* bpf_fentry_test3 */
+	cookies[2] = 3; /* bpf_fentry_test4 */
+	cookies[3] = 4; /* bpf_fentry_test5 */
+	cookies[4] = 5; /* bpf_fentry_test6 */
+	cookies[5] = 6; /* bpf_fentry_test7 */
+	cookies[6] = 7; /* bpf_fentry_test2 */
+	cookies[7] = 8; /* bpf_fentry_test8 */
+
+	opts.kprobe_multi.addrs = (const unsigned long *) &addrs;
+	opts.kprobe_multi.cnt = ARRAY_SIZE(addrs);
+	opts.kprobe_multi.cookies = (const __u64 *) &cookies;
+	prog_fd = bpf_program__fd(skel->progs.test_kprobe);
+
+	link1_fd = bpf_link_create(prog_fd, 0, BPF_TRACE_KPROBE_MULTI, &opts);
+	if (!ASSERT_GE(link1_fd, 0, "link1_fd"))
+		goto cleanup;
+
+	cookies[0] = 8; /* bpf_fentry_test1 */
+	cookies[1] = 7; /* bpf_fentry_test3 */
+	cookies[2] = 6; /* bpf_fentry_test4 */
+	cookies[3] = 5; /* bpf_fentry_test5 */
+	cookies[4] = 4; /* bpf_fentry_test6 */
+	cookies[5] = 3; /* bpf_fentry_test7 */
+	cookies[6] = 2; /* bpf_fentry_test2 */
+	cookies[7] = 1; /* bpf_fentry_test8 */
+
+	opts.kprobe_multi.flags = BPF_F_KPROBE_MULTI_RETURN;
+	prog_fd = bpf_program__fd(skel->progs.test_kretprobe);
+
+	link2_fd = bpf_link_create(prog_fd, 0, BPF_TRACE_KPROBE_MULTI, &opts);
+	if (!ASSERT_GE(link2_fd, 0, "link2_fd"))
+		goto cleanup;
+
+	kprobe_multi_test_run(skel);
+
+cleanup:
+	close(link1_fd);
+	close(link2_fd);
+	kprobe_multi__destroy(skel);
+}
+
+static void kprobe_multi_attach_api_subtest(void)
+{
+	struct bpf_link *link1 = NULL, *link2 = NULL;
+	LIBBPF_OPTS(bpf_kprobe_multi_opts, opts);
+	LIBBPF_OPTS(bpf_test_run_opts, topts);
+	struct kprobe_multi *skel = NULL;
+	const char *syms[8] = {
+		"bpf_fentry_test1",
+		"bpf_fentry_test3",
+		"bpf_fentry_test4",
+		"bpf_fentry_test5",
+		"bpf_fentry_test6",
+		"bpf_fentry_test7",
+		"bpf_fentry_test2",
+		"bpf_fentry_test8",
+	};
+	__u64 cookies[8];
+
+	skel = kprobe_multi__open_and_load();
+	if (!ASSERT_OK_PTR(skel, "fentry_raw_skel_load"))
+		goto cleanup;
+
+	skel->bss->pid = getpid();
+	skel->bss->test_cookie = true;
+
+	cookies[0] = 1; /* bpf_fentry_test1 */
+	cookies[1] = 2; /* bpf_fentry_test3 */
+	cookies[2] = 3; /* bpf_fentry_test4 */
+	cookies[3] = 4; /* bpf_fentry_test5 */
+	cookies[4] = 5; /* bpf_fentry_test6 */
+	cookies[5] = 6; /* bpf_fentry_test7 */
+	cookies[6] = 7; /* bpf_fentry_test2 */
+	cookies[7] = 8; /* bpf_fentry_test8 */
+
+	opts.syms = syms;
+	opts.cnt = ARRAY_SIZE(syms);
+	opts.cookies = cookies;
+
+	link1 = bpf_program__attach_kprobe_multi_opts(skel->progs.test_kprobe,
+						      NULL, &opts);
+	if (!ASSERT_OK_PTR(link1, "bpf_program__attach_kprobe_multi_opts"))
+		goto cleanup;
+
+	cookies[0] = 8; /* bpf_fentry_test1 */
+	cookies[1] = 7; /* bpf_fentry_test3 */
+	cookies[2] = 6; /* bpf_fentry_test4 */
+	cookies[3] = 5; /* bpf_fentry_test5 */
+	cookies[4] = 4; /* bpf_fentry_test6 */
+	cookies[5] = 3; /* bpf_fentry_test7 */
+	cookies[6] = 2; /* bpf_fentry_test2 */
+	cookies[7] = 1; /* bpf_fentry_test8 */
+
+	opts.retprobe = true;
+
+	link2 = bpf_program__attach_kprobe_multi_opts(skel->progs.test_kretprobe,
+						      NULL, &opts);
+	if (!ASSERT_OK_PTR(link2, "bpf_program__attach_kprobe_multi_opts"))
+		goto cleanup;
+
+	kprobe_multi_test_run(skel);
+
+cleanup:
+	bpf_link__destroy(link2);
+	bpf_link__destroy(link1);
+	kprobe_multi__destroy(skel);
+}
+static void uprobe_subtest(struct test_bpf_cookie *skel)
+{
+	DECLARE_LIBBPF_OPTS(bpf_uprobe_opts, opts);
+	struct bpf_link *link1 = NULL, *link2 = NULL;
+	struct bpf_link *retlink1 = NULL, *retlink2 = NULL;
+	ssize_t uprobe_offset;
+
+	uprobe_offset = get_uprobe_offset(&trigger_func);
+	if (!ASSERT_GE(uprobe_offset, 0, "uprobe_offset"))
+		goto cleanup;
+
+	/* attach two uprobes */
+	opts.bpf_cookie = 0x100;
+	opts.retprobe = false;
+	link1 = bpf_program__attach_uprobe_opts(skel->progs.handle_uprobe, 0 /* self pid */,
+						"/proc/self/exe", uprobe_offset, &opts);
+	if (!ASSERT_OK_PTR(link1, "link1"))
+		goto cleanup;
+
+	opts.bpf_cookie = 0x200;
+	opts.retprobe = false;
+	link2 = bpf_program__attach_uprobe_opts(skel->progs.handle_uprobe, -1 /* any pid */,
+						"/proc/self/exe", uprobe_offset, &opts);
+	if (!ASSERT_OK_PTR(link2, "link2"))
+		goto cleanup;
+
+	/* attach two uretprobes */
+	opts.bpf_cookie = 0x1000;
+	opts.retprobe = true;
+	retlink1 = bpf_program__attach_uprobe_opts(skel->progs.handle_uretprobe, -1 /* any pid */,
+						   "/proc/self/exe", uprobe_offset, &opts);
+	if (!ASSERT_OK_PTR(retlink1, "retlink1"))
+		goto cleanup;
+
+	opts.bpf_cookie = 0x2000;
+	opts.retprobe = true;
+	retlink2 = bpf_program__attach_uprobe_opts(skel->progs.handle_uretprobe, 0 /* self pid */,
+						   "/proc/self/exe", uprobe_offset, &opts);
+	if (!ASSERT_OK_PTR(retlink2, "retlink2"))
+		goto cleanup;
+
+	/* trigger uprobe && uretprobe */
+	trigger_func();
+
+	ASSERT_EQ(skel->bss->uprobe_res, 0x100 | 0x200, "uprobe_res");
+	ASSERT_EQ(skel->bss->uretprobe_res, 0x1000 | 0x2000, "uretprobe_res");
+
+cleanup:
+	bpf_link__destroy(link1);
+	bpf_link__destroy(link2);
+	bpf_link__destroy(retlink1);
+	bpf_link__destroy(retlink2);
+}
+
+static void tp_subtest(struct test_bpf_cookie *skel)
+{
+	DECLARE_LIBBPF_OPTS(bpf_tracepoint_opts, opts);
+	struct bpf_link *link1 = NULL, *link2 = NULL, *link3 = NULL;
+
+	/* attach first tp prog */
+	opts.bpf_cookie = 0x10000;
+	link1 = bpf_program__attach_tracepoint_opts(skel->progs.handle_tp1,
+						    "syscalls", "sys_enter_nanosleep", &opts);
+	if (!ASSERT_OK_PTR(link1, "link1"))
+		goto cleanup;
+
+	/* attach second tp prog */
+	opts.bpf_cookie = 0x20000;
+	link2 = bpf_program__attach_tracepoint_opts(skel->progs.handle_tp2,
+						    "syscalls", "sys_enter_nanosleep", &opts);
+	if (!ASSERT_OK_PTR(link2, "link2"))
+		goto cleanup;
+
+	/* trigger tracepoints */
+	usleep(1);
+
+	ASSERT_EQ(skel->bss->tp_res, 0x10000 | 0x20000, "tp_res1");
+
+	/* now we detach first prog and will attach third one, which causes
+	 * two internal calls to bpf_prog_array_copy(), shuffling
+	 * bpf_prog_array_items around. We test here that we don't lose track
+	 * of associated bpf_cookies.
+	 */
+	bpf_link__destroy(link1);
+	link1 = NULL;
+	kern_sync_rcu();
+	skel->bss->tp_res = 0;
+
+	/* attach third tp prog */
+	opts.bpf_cookie = 0x40000;
+	link3 = bpf_program__attach_tracepoint_opts(skel->progs.handle_tp3,
+						    "syscalls", "sys_enter_nanosleep", &opts);
+	if (!ASSERT_OK_PTR(link3, "link3"))
+		goto cleanup;
+
+	/* trigger tracepoints */
+	usleep(1);
+
+	ASSERT_EQ(skel->bss->tp_res, 0x20000 | 0x40000, "tp_res2");
+
+cleanup:
+	bpf_link__destroy(link1);
+	bpf_link__destroy(link2);
+	bpf_link__destroy(link3);
+}
+
+static void burn_cpu(void)
+{
+	volatile int j = 0;
+	cpu_set_t cpu_set;
+	int i, err;
+
+	/* generate some branches on cpu 0 */
+	CPU_ZERO(&cpu_set);
+	CPU_SET(0, &cpu_set);
+	err = pthread_setaffinity_np(pthread_self(), sizeof(cpu_set), &cpu_set);
+	ASSERT_OK(err, "set_thread_affinity");
+
+	/* spin the loop for a while (random high number) */
+	for (i = 0; i < 1000000; ++i)
+		++j;
+}
+
+static void pe_subtest(struct test_bpf_cookie *skel)
+{
+	DECLARE_LIBBPF_OPTS(bpf_perf_event_opts, opts);
+	struct bpf_link *link = NULL;
+	struct perf_event_attr attr;
+	int pfd = -1;
+
+	/* create perf event */
+	memset(&attr, 0, sizeof(attr));
+	attr.size = sizeof(attr);
+	attr.type = PERF_TYPE_SOFTWARE;
+	attr.config = PERF_COUNT_SW_CPU_CLOCK;
+	attr.freq = 1;
+	attr.sample_freq = 1000;
+	pfd = syscall(__NR_perf_event_open, &attr, -1, 0, -1, PERF_FLAG_FD_CLOEXEC);
+	if (!ASSERT_GE(pfd, 0, "perf_fd"))
+		goto cleanup;
+
+	opts.bpf_cookie = 0x100000;
+	link = bpf_program__attach_perf_event_opts(skel->progs.handle_pe, pfd, &opts);
+	if (!ASSERT_OK_PTR(link, "link1"))
+		goto cleanup;
+
+	burn_cpu(); /* trigger BPF prog */
+
+	ASSERT_EQ(skel->bss->pe_res, 0x100000, "pe_res1");
+
+	/* prevent bpf_link__destroy() closing pfd itself */
+	bpf_link__disconnect(link);
+	/* close BPF link's FD explicitly */
+	close(bpf_link__fd(link));
+	/* free up memory used by struct bpf_link */
+	bpf_link__destroy(link);
+	link = NULL;
+	kern_sync_rcu();
+	skel->bss->pe_res = 0;
+
+	opts.bpf_cookie = 0x200000;
+	link = bpf_program__attach_perf_event_opts(skel->progs.handle_pe, pfd, &opts);
+	if (!ASSERT_OK_PTR(link, "link2"))
+		goto cleanup;
+
+	burn_cpu(); /* trigger BPF prog */
+
+	ASSERT_EQ(skel->bss->pe_res, 0x200000, "pe_res2");
+
+cleanup:
+	close(pfd);
+	bpf_link__destroy(link);
+}
+
+static void tracing_subtest(struct test_bpf_cookie *skel)
+{
+	__u64 cookie;
+	int prog_fd;
+	int fentry_fd = -1, fexit_fd = -1, fmod_ret_fd = -1;
+	LIBBPF_OPTS(bpf_test_run_opts, opts);
+	LIBBPF_OPTS(bpf_link_create_opts, link_opts);
+
+	skel->bss->fentry_res = 0;
+	skel->bss->fexit_res = 0;
+
+	cookie = 0x10000000000000L;
+	prog_fd = bpf_program__fd(skel->progs.fentry_test1);
+	link_opts.tracing.cookie = cookie;
+	fentry_fd = bpf_link_create(prog_fd, 0, BPF_TRACE_FENTRY, &link_opts);
+	if (!ASSERT_GE(fentry_fd, 0, "fentry.link_create"))
+		goto cleanup;
+
+	cookie = 0x20000000000000L;
+	prog_fd = bpf_program__fd(skel->progs.fexit_test1);
+	link_opts.tracing.cookie = cookie;
+	fexit_fd = bpf_link_create(prog_fd, 0, BPF_TRACE_FEXIT, &link_opts);
+	if (!ASSERT_GE(fexit_fd, 0, "fexit.link_create"))
+		goto cleanup;
+
+	cookie = 0x30000000000000L;
+	prog_fd = bpf_program__fd(skel->progs.fmod_ret_test);
+	link_opts.tracing.cookie = cookie;
+	fmod_ret_fd = bpf_link_create(prog_fd, 0, BPF_MODIFY_RETURN, &link_opts);
+	if (!ASSERT_GE(fmod_ret_fd, 0, "fmod_ret.link_create"))
+		goto cleanup;
+
+	prog_fd = bpf_program__fd(skel->progs.fentry_test1);
+	bpf_prog_test_run_opts(prog_fd, &opts);
+
+	prog_fd = bpf_program__fd(skel->progs.fmod_ret_test);
+	bpf_prog_test_run_opts(prog_fd, &opts);
+
+	ASSERT_EQ(skel->bss->fentry_res, 0x10000000000000L, "fentry_res");
+	ASSERT_EQ(skel->bss->fexit_res, 0x20000000000000L, "fexit_res");
+	ASSERT_EQ(skel->bss->fmod_ret_res, 0x30000000000000L, "fmod_ret_res");
+
+cleanup:
+	if (fentry_fd >= 0)
+		close(fentry_fd);
+	if (fexit_fd >= 0)
+		close(fexit_fd);
+	if (fmod_ret_fd >= 0)
+		close(fmod_ret_fd);
+}
+
+int stack_mprotect(void);
+
+static void lsm_subtest(struct test_bpf_cookie *skel)
+{
+	__u64 cookie;
+	int prog_fd;
+	int lsm_fd = -1;
+	LIBBPF_OPTS(bpf_link_create_opts, link_opts);
+
+	skel->bss->lsm_res = 0;
+
+	cookie = 0x90000000000090L;
+	prog_fd = bpf_program__fd(skel->progs.test_int_hook);
+	link_opts.tracing.cookie = cookie;
+	lsm_fd = bpf_link_create(prog_fd, 0, BPF_LSM_MAC, &link_opts);
+	if (!ASSERT_GE(lsm_fd, 0, "lsm.link_create"))
+		goto cleanup;
+
+	stack_mprotect();
+	if (!ASSERT_EQ(errno, EPERM, "stack_mprotect"))
+		goto cleanup;
+
+	usleep(1);
+
+	ASSERT_EQ(skel->bss->lsm_res, 0x90000000000090L, "fentry_res");
+
+cleanup:
+	if (lsm_fd >= 0)
+		close(lsm_fd);
+}
+
+void test_bpf_cookie(void)
+{
+	struct test_bpf_cookie *skel;
+
+	skel = test_bpf_cookie__open_and_load();
+	if (!ASSERT_OK_PTR(skel, "skel_open"))
+		return;
+
+	skel->bss->my_tid = syscall(SYS_gettid);
+
+	if (test__start_subtest("kprobe"))
+		kprobe_subtest(skel);
+	if (test__start_subtest("multi_kprobe_link_api"))
+		kprobe_multi_link_api_subtest();
+	if (test__start_subtest("multi_kprobe_attach_api"))
+		kprobe_multi_attach_api_subtest();
+	if (test__start_subtest("uprobe"))
+		uprobe_subtest(skel);
+	if (test__start_subtest("tracepoint"))
+		tp_subtest(skel);
+	if (test__start_subtest("perf_event"))
+		pe_subtest(skel);
+	if (test__start_subtest("trampoline"))
+		tracing_subtest(skel);
+	if (test__start_subtest("lsm"))
+		lsm_subtest(skel);
+
+	test_bpf_cookie__destroy(skel);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/bpf_iter.c b/tools/testing/selftests/bpf/prog_tests/bpf_iter.c
new file mode 100644
index 000000000..0c67a4e28
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/bpf_iter.c
@@ -0,0 +1,1641 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2020 Facebook */
+#include <test_progs.h>
+#include <unistd.h>
+#include <sys/syscall.h>
+#include "bpf_iter_ipv6_route.skel.h"
+#include "bpf_iter_netlink.skel.h"
+#include "bpf_iter_bpf_map.skel.h"
+#include "bpf_iter_task.skel.h"
+#include "bpf_iter_task_stack.skel.h"
+#include "bpf_iter_task_file.skel.h"
+#include "bpf_iter_task_vma.skel.h"
+#include "bpf_iter_task_btf.skel.h"
+#include "bpf_iter_tcp4.skel.h"
+#include "bpf_iter_tcp6.skel.h"
+#include "bpf_iter_udp4.skel.h"
+#include "bpf_iter_udp6.skel.h"
+#include "bpf_iter_unix.skel.h"
+#include "bpf_iter_vma_offset.skel.h"
+#include "bpf_iter_test_kern1.skel.h"
+#include "bpf_iter_test_kern2.skel.h"
+#include "bpf_iter_test_kern3.skel.h"
+#include "bpf_iter_test_kern4.skel.h"
+#include "bpf_iter_bpf_hash_map.skel.h"
+#include "bpf_iter_bpf_percpu_hash_map.skel.h"
+#include "bpf_iter_bpf_array_map.skel.h"
+#include "bpf_iter_bpf_percpu_array_map.skel.h"
+#include "bpf_iter_bpf_sk_storage_helpers.skel.h"
+#include "bpf_iter_bpf_sk_storage_map.skel.h"
+#include "bpf_iter_test_kern5.skel.h"
+#include "bpf_iter_test_kern6.skel.h"
+#include "bpf_iter_bpf_link.skel.h"
+#include "bpf_iter_ksym.skel.h"
+#include "bpf_iter_sockmap.skel.h"
+
+static int duration;
+
+static void test_btf_id_or_null(void)
+{
+	struct bpf_iter_test_kern3 *skel;
+
+	skel = bpf_iter_test_kern3__open_and_load();
+	if (!ASSERT_ERR_PTR(skel, "bpf_iter_test_kern3__open_and_load")) {
+		bpf_iter_test_kern3__destroy(skel);
+		return;
+	}
+}
+
+static void do_dummy_read_opts(struct bpf_program *prog, struct bpf_iter_attach_opts *opts)
+{
+	struct bpf_link *link;
+	char buf[16] = {};
+	int iter_fd, len;
+
+	link = bpf_program__attach_iter(prog, opts);
+	if (!ASSERT_OK_PTR(link, "attach_iter"))
+		return;
+
+	iter_fd = bpf_iter_create(bpf_link__fd(link));
+	if (!ASSERT_GE(iter_fd, 0, "create_iter"))
+		goto free_link;
+
+	/* not check contents, but ensure read() ends without error */
+	while ((len = read(iter_fd, buf, sizeof(buf))) > 0)
+		;
+	CHECK(len < 0, "read", "read failed: %s\n", strerror(errno));
+
+	close(iter_fd);
+
+free_link:
+	bpf_link__destroy(link);
+}
+
+static void do_dummy_read(struct bpf_program *prog)
+{
+	do_dummy_read_opts(prog, NULL);
+}
+
+static void do_read_map_iter_fd(struct bpf_object_skeleton **skel, struct bpf_program *prog,
+				struct bpf_map *map)
+{
+	DECLARE_LIBBPF_OPTS(bpf_iter_attach_opts, opts);
+	union bpf_iter_link_info linfo;
+	struct bpf_link *link;
+	char buf[16] = {};
+	int iter_fd, len;
+
+	memset(&linfo, 0, sizeof(linfo));
+	linfo.map.map_fd = bpf_map__fd(map);
+	opts.link_info = &linfo;
+	opts.link_info_len = sizeof(linfo);
+	link = bpf_program__attach_iter(prog, &opts);
+	if (!ASSERT_OK_PTR(link, "attach_map_iter"))
+		return;
+
+	iter_fd = bpf_iter_create(bpf_link__fd(link));
+	if (!ASSERT_GE(iter_fd, 0, "create_map_iter")) {
+		bpf_link__destroy(link);
+		return;
+	}
+
+	/* Close link and map fd prematurely */
+	bpf_link__destroy(link);
+	bpf_object__destroy_skeleton(*skel);
+	*skel = NULL;
+
+	/* Try to let map free work to run first if map is freed */
+	usleep(100);
+	/* Memory used by both sock map and sock local storage map are
+	 * freed after two synchronize_rcu() calls, so wait for it
+	 */
+	kern_sync_rcu();
+	kern_sync_rcu();
+
+	/* Read after both map fd and link fd are closed */
+	while ((len = read(iter_fd, buf, sizeof(buf))) > 0)
+		;
+	ASSERT_GE(len, 0, "read_iterator");
+
+	close(iter_fd);
+}
+
+static int read_fd_into_buffer(int fd, char *buf, int size)
+{
+	int bufleft = size;
+	int len;
+
+	do {
+		len = read(fd, buf, bufleft);
+		if (len > 0) {
+			buf += len;
+			bufleft -= len;
+		}
+	} while (len > 0);
+
+	return len < 0 ? len : size - bufleft;
+}
+
+static void test_ipv6_route(void)
+{
+	struct bpf_iter_ipv6_route *skel;
+
+	skel = bpf_iter_ipv6_route__open_and_load();
+	if (!ASSERT_OK_PTR(skel, "bpf_iter_ipv6_route__open_and_load"))
+		return;
+
+	do_dummy_read(skel->progs.dump_ipv6_route);
+
+	bpf_iter_ipv6_route__destroy(skel);
+}
+
+static void test_netlink(void)
+{
+	struct bpf_iter_netlink *skel;
+
+	skel = bpf_iter_netlink__open_and_load();
+	if (!ASSERT_OK_PTR(skel, "bpf_iter_netlink__open_and_load"))
+		return;
+
+	do_dummy_read(skel->progs.dump_netlink);
+
+	bpf_iter_netlink__destroy(skel);
+}
+
+static void test_bpf_map(void)
+{
+	struct bpf_iter_bpf_map *skel;
+
+	skel = bpf_iter_bpf_map__open_and_load();
+	if (!ASSERT_OK_PTR(skel, "bpf_iter_bpf_map__open_and_load"))
+		return;
+
+	do_dummy_read(skel->progs.dump_bpf_map);
+
+	bpf_iter_bpf_map__destroy(skel);
+}
+
+static int pidfd_open(pid_t pid, unsigned int flags)
+{
+	return syscall(SYS_pidfd_open, pid, flags);
+}
+
+static void check_bpf_link_info(const struct bpf_program *prog)
+{
+	LIBBPF_OPTS(bpf_iter_attach_opts, opts);
+	union bpf_iter_link_info linfo;
+	struct bpf_link_info info = {};
+	struct bpf_link *link;
+	__u32 info_len;
+	int err;
+
+	memset(&linfo, 0, sizeof(linfo));
+	linfo.task.tid = getpid();
+	opts.link_info = &linfo;
+	opts.link_info_len = sizeof(linfo);
+
+	link = bpf_program__attach_iter(prog, &opts);
+	if (!ASSERT_OK_PTR(link, "attach_iter"))
+		return;
+
+	info_len = sizeof(info);
+	err = bpf_obj_get_info_by_fd(bpf_link__fd(link), &info, &info_len);
+	ASSERT_OK(err, "bpf_obj_get_info_by_fd");
+	ASSERT_EQ(info.iter.task.tid, getpid(), "check_task_tid");
+
+	bpf_link__destroy(link);
+}
+
+static pthread_mutex_t do_nothing_mutex;
+
+static void *do_nothing_wait(void *arg)
+{
+	pthread_mutex_lock(&do_nothing_mutex);
+	pthread_mutex_unlock(&do_nothing_mutex);
+
+	pthread_exit(arg);
+}
+
+static void test_task_common_nocheck(struct bpf_iter_attach_opts *opts,
+				     int *num_unknown, int *num_known)
+{
+	struct bpf_iter_task *skel;
+	pthread_t thread_id;
+	void *ret;
+
+	skel = bpf_iter_task__open_and_load();
+	if (!ASSERT_OK_PTR(skel, "bpf_iter_task__open_and_load"))
+		return;
+
+	ASSERT_OK(pthread_mutex_lock(&do_nothing_mutex), "pthread_mutex_lock");
+
+	ASSERT_OK(pthread_create(&thread_id, NULL, &do_nothing_wait, NULL),
+		  "pthread_create");
+
+	skel->bss->tid = getpid();
+
+	do_dummy_read_opts(skel->progs.dump_task, opts);
+
+	*num_unknown = skel->bss->num_unknown_tid;
+	*num_known = skel->bss->num_known_tid;
+
+	ASSERT_OK(pthread_mutex_unlock(&do_nothing_mutex), "pthread_mutex_unlock");
+	ASSERT_FALSE(pthread_join(thread_id, &ret) || ret != NULL,
+		     "pthread_join");
+
+	bpf_iter_task__destroy(skel);
+}
+
+static void test_task_common(struct bpf_iter_attach_opts *opts, int num_unknown, int num_known)
+{
+	int num_unknown_tid, num_known_tid;
+
+	test_task_common_nocheck(opts, &num_unknown_tid, &num_known_tid);
+	ASSERT_EQ(num_unknown_tid, num_unknown, "check_num_unknown_tid");
+	ASSERT_EQ(num_known_tid, num_known, "check_num_known_tid");
+}
+
+static void test_task_tid(void)
+{
+	LIBBPF_OPTS(bpf_iter_attach_opts, opts);
+	union bpf_iter_link_info linfo;
+	int num_unknown_tid, num_known_tid;
+
+	memset(&linfo, 0, sizeof(linfo));
+	linfo.task.tid = getpid();
+	opts.link_info = &linfo;
+	opts.link_info_len = sizeof(linfo);
+	test_task_common(&opts, 0, 1);
+
+	linfo.task.tid = 0;
+	linfo.task.pid = getpid();
+	test_task_common(&opts, 1, 1);
+
+	test_task_common_nocheck(NULL, &num_unknown_tid, &num_known_tid);
+	ASSERT_GT(num_unknown_tid, 1, "check_num_unknown_tid");
+	ASSERT_EQ(num_known_tid, 1, "check_num_known_tid");
+}
+
+static void test_task_pid(void)
+{
+	LIBBPF_OPTS(bpf_iter_attach_opts, opts);
+	union bpf_iter_link_info linfo;
+
+	memset(&linfo, 0, sizeof(linfo));
+	linfo.task.pid = getpid();
+	opts.link_info = &linfo;
+	opts.link_info_len = sizeof(linfo);
+
+	test_task_common(&opts, 1, 1);
+}
+
+static void test_task_pidfd(void)
+{
+	LIBBPF_OPTS(bpf_iter_attach_opts, opts);
+	union bpf_iter_link_info linfo;
+	int pidfd;
+
+	pidfd = pidfd_open(getpid(), 0);
+	if (!ASSERT_GT(pidfd, 0, "pidfd_open"))
+		return;
+
+	memset(&linfo, 0, sizeof(linfo));
+	linfo.task.pid_fd = pidfd;
+	opts.link_info = &linfo;
+	opts.link_info_len = sizeof(linfo);
+
+	test_task_common(&opts, 1, 1);
+
+	close(pidfd);
+}
+
+static void test_task_sleepable(void)
+{
+	struct bpf_iter_task *skel;
+
+	skel = bpf_iter_task__open_and_load();
+	if (!ASSERT_OK_PTR(skel, "bpf_iter_task__open_and_load"))
+		return;
+
+	do_dummy_read(skel->progs.dump_task_sleepable);
+
+	ASSERT_GT(skel->bss->num_expected_failure_copy_from_user_task, 0,
+		  "num_expected_failure_copy_from_user_task");
+	ASSERT_GT(skel->bss->num_success_copy_from_user_task, 0,
+		  "num_success_copy_from_user_task");
+
+	bpf_iter_task__destroy(skel);
+}
+
+static void test_task_stack(void)
+{
+	struct bpf_iter_task_stack *skel;
+
+	skel = bpf_iter_task_stack__open_and_load();
+	if (!ASSERT_OK_PTR(skel, "bpf_iter_task_stack__open_and_load"))
+		return;
+
+	do_dummy_read(skel->progs.dump_task_stack);
+	do_dummy_read(skel->progs.get_task_user_stacks);
+
+	ASSERT_EQ(skel->bss->num_user_stacks, 1, "num_user_stacks");
+
+	bpf_iter_task_stack__destroy(skel);
+}
+
+static void test_task_file(void)
+{
+	LIBBPF_OPTS(bpf_iter_attach_opts, opts);
+	struct bpf_iter_task_file *skel;
+	union bpf_iter_link_info linfo;
+	pthread_t thread_id;
+	void *ret;
+
+	skel = bpf_iter_task_file__open_and_load();
+	if (!ASSERT_OK_PTR(skel, "bpf_iter_task_file__open_and_load"))
+		return;
+
+	skel->bss->tgid = getpid();
+
+	ASSERT_OK(pthread_mutex_lock(&do_nothing_mutex), "pthread_mutex_lock");
+
+	ASSERT_OK(pthread_create(&thread_id, NULL, &do_nothing_wait, NULL),
+		  "pthread_create");
+
+	memset(&linfo, 0, sizeof(linfo));
+	linfo.task.tid = getpid();
+	opts.link_info = &linfo;
+	opts.link_info_len = sizeof(linfo);
+
+	do_dummy_read_opts(skel->progs.dump_task_file, &opts);
+
+	ASSERT_EQ(skel->bss->count, 0, "check_count");
+	ASSERT_EQ(skel->bss->unique_tgid_count, 1, "check_unique_tgid_count");
+
+	skel->bss->last_tgid = 0;
+	skel->bss->count = 0;
+	skel->bss->unique_tgid_count = 0;
+
+	do_dummy_read(skel->progs.dump_task_file);
+
+	ASSERT_EQ(skel->bss->count, 0, "check_count");
+	ASSERT_GT(skel->bss->unique_tgid_count, 1, "check_unique_tgid_count");
+
+	check_bpf_link_info(skel->progs.dump_task_file);
+
+	ASSERT_OK(pthread_mutex_unlock(&do_nothing_mutex), "pthread_mutex_unlock");
+	ASSERT_OK(pthread_join(thread_id, &ret), "pthread_join");
+	ASSERT_NULL(ret, "pthread_join");
+
+	bpf_iter_task_file__destroy(skel);
+}
+
+#define TASKBUFSZ		32768
+
+static char taskbuf[TASKBUFSZ];
+
+static int do_btf_read(struct bpf_iter_task_btf *skel)
+{
+	struct bpf_program *prog = skel->progs.dump_task_struct;
+	struct bpf_iter_task_btf__bss *bss = skel->bss;
+	int iter_fd = -1, err;
+	struct bpf_link *link;
+	char *buf = taskbuf;
+	int ret = 0;
+
+	link = bpf_program__attach_iter(prog, NULL);
+	if (!ASSERT_OK_PTR(link, "attach_iter"))
+		return ret;
+
+	iter_fd = bpf_iter_create(bpf_link__fd(link));
+	if (!ASSERT_GE(iter_fd, 0, "create_iter"))
+		goto free_link;
+
+	err = read_fd_into_buffer(iter_fd, buf, TASKBUFSZ);
+	if (bss->skip) {
+		printf("%s:SKIP:no __builtin_btf_type_id\n", __func__);
+		ret = 1;
+		test__skip();
+		goto free_link;
+	}
+
+	if (CHECK(err < 0, "read", "read failed: %s\n", strerror(errno)))
+		goto free_link;
+
+	ASSERT_HAS_SUBSTR(taskbuf, "(struct task_struct)",
+	      "check for btf representation of task_struct in iter data");
+free_link:
+	if (iter_fd > 0)
+		close(iter_fd);
+	bpf_link__destroy(link);
+	return ret;
+}
+
+static void test_task_btf(void)
+{
+	struct bpf_iter_task_btf__bss *bss;
+	struct bpf_iter_task_btf *skel;
+	int ret;
+
+	skel = bpf_iter_task_btf__open_and_load();
+	if (!ASSERT_OK_PTR(skel, "bpf_iter_task_btf__open_and_load"))
+		return;
+
+	bss = skel->bss;
+
+	ret = do_btf_read(skel);
+	if (ret)
+		goto cleanup;
+
+	if (!ASSERT_NEQ(bss->tasks, 0, "no task iteration, did BPF program run?"))
+		goto cleanup;
+
+	ASSERT_EQ(bss->seq_err, 0, "check for unexpected err");
+
+cleanup:
+	bpf_iter_task_btf__destroy(skel);
+}
+
+static void test_tcp4(void)
+{
+	struct bpf_iter_tcp4 *skel;
+
+	skel = bpf_iter_tcp4__open_and_load();
+	if (!ASSERT_OK_PTR(skel, "bpf_iter_tcp4__open_and_load"))
+		return;
+
+	do_dummy_read(skel->progs.dump_tcp4);
+
+	bpf_iter_tcp4__destroy(skel);
+}
+
+static void test_tcp6(void)
+{
+	struct bpf_iter_tcp6 *skel;
+
+	skel = bpf_iter_tcp6__open_and_load();
+	if (!ASSERT_OK_PTR(skel, "bpf_iter_tcp6__open_and_load"))
+		return;
+
+	do_dummy_read(skel->progs.dump_tcp6);
+
+	bpf_iter_tcp6__destroy(skel);
+}
+
+static void test_udp4(void)
+{
+	struct bpf_iter_udp4 *skel;
+
+	skel = bpf_iter_udp4__open_and_load();
+	if (!ASSERT_OK_PTR(skel, "bpf_iter_udp4__open_and_load"))
+		return;
+
+	do_dummy_read(skel->progs.dump_udp4);
+
+	bpf_iter_udp4__destroy(skel);
+}
+
+static void test_udp6(void)
+{
+	struct bpf_iter_udp6 *skel;
+
+	skel = bpf_iter_udp6__open_and_load();
+	if (!ASSERT_OK_PTR(skel, "bpf_iter_udp6__open_and_load"))
+		return;
+
+	do_dummy_read(skel->progs.dump_udp6);
+
+	bpf_iter_udp6__destroy(skel);
+}
+
+static void test_unix(void)
+{
+	struct bpf_iter_unix *skel;
+
+	skel = bpf_iter_unix__open_and_load();
+	if (!ASSERT_OK_PTR(skel, "bpf_iter_unix__open_and_load"))
+		return;
+
+	do_dummy_read(skel->progs.dump_unix);
+
+	bpf_iter_unix__destroy(skel);
+}
+
+/* The expected string is less than 16 bytes */
+static int do_read_with_fd(int iter_fd, const char *expected,
+			   bool read_one_char)
+{
+	int len, read_buf_len, start;
+	char buf[16] = {};
+
+	read_buf_len = read_one_char ? 1 : 16;
+	start = 0;
+	while ((len = read(iter_fd, buf + start, read_buf_len)) > 0) {
+		start += len;
+		if (CHECK(start >= 16, "read", "read len %d\n", len))
+			return -1;
+		read_buf_len = read_one_char ? 1 : 16 - start;
+	}
+	if (CHECK(len < 0, "read", "read failed: %s\n", strerror(errno)))
+		return -1;
+
+	if (!ASSERT_STREQ(buf, expected, "read"))
+		return -1;
+
+	return 0;
+}
+
+static void test_anon_iter(bool read_one_char)
+{
+	struct bpf_iter_test_kern1 *skel;
+	struct bpf_link *link;
+	int iter_fd, err;
+
+	skel = bpf_iter_test_kern1__open_and_load();
+	if (!ASSERT_OK_PTR(skel, "bpf_iter_test_kern1__open_and_load"))
+		return;
+
+	err = bpf_iter_test_kern1__attach(skel);
+	if (!ASSERT_OK(err, "bpf_iter_test_kern1__attach")) {
+		goto out;
+	}
+
+	link = skel->links.dump_task;
+	iter_fd = bpf_iter_create(bpf_link__fd(link));
+	if (!ASSERT_GE(iter_fd, 0, "create_iter"))
+		goto out;
+
+	do_read_with_fd(iter_fd, "abcd", read_one_char);
+	close(iter_fd);
+
+out:
+	bpf_iter_test_kern1__destroy(skel);
+}
+
+static int do_read(const char *path, const char *expected)
+{
+	int err, iter_fd;
+
+	iter_fd = open(path, O_RDONLY);
+	if (CHECK(iter_fd < 0, "open", "open %s failed: %s\n",
+		  path, strerror(errno)))
+		return -1;
+
+	err = do_read_with_fd(iter_fd, expected, false);
+	close(iter_fd);
+	return err;
+}
+
+static void test_file_iter(void)
+{
+	const char *path = "/sys/fs/bpf/bpf_iter_test1";
+	struct bpf_iter_test_kern1 *skel1;
+	struct bpf_iter_test_kern2 *skel2;
+	struct bpf_link *link;
+	int err;
+
+	skel1 = bpf_iter_test_kern1__open_and_load();
+	if (!ASSERT_OK_PTR(skel1, "bpf_iter_test_kern1__open_and_load"))
+		return;
+
+	link = bpf_program__attach_iter(skel1->progs.dump_task, NULL);
+	if (!ASSERT_OK_PTR(link, "attach_iter"))
+		goto out;
+
+	/* unlink this path if it exists. */
+	unlink(path);
+
+	err = bpf_link__pin(link, path);
+	if (CHECK(err, "pin_iter", "pin_iter to %s failed: %d\n", path, err))
+		goto free_link;
+
+	err = do_read(path, "abcd");
+	if (err)
+		goto unlink_path;
+
+	/* file based iterator seems working fine. Let us a link update
+	 * of the underlying link and `cat` the iterator again, its content
+	 * should change.
+	 */
+	skel2 = bpf_iter_test_kern2__open_and_load();
+	if (!ASSERT_OK_PTR(skel2, "bpf_iter_test_kern2__open_and_load"))
+		goto unlink_path;
+
+	err = bpf_link__update_program(link, skel2->progs.dump_task);
+	if (!ASSERT_OK(err, "update_prog"))
+		goto destroy_skel2;
+
+	do_read(path, "ABCD");
+
+destroy_skel2:
+	bpf_iter_test_kern2__destroy(skel2);
+unlink_path:
+	unlink(path);
+free_link:
+	bpf_link__destroy(link);
+out:
+	bpf_iter_test_kern1__destroy(skel1);
+}
+
+static void test_overflow(bool test_e2big_overflow, bool ret1)
+{
+	__u32 map_info_len, total_read_len, expected_read_len;
+	int err, iter_fd, map1_fd, map2_fd, len;
+	struct bpf_map_info map_info = {};
+	struct bpf_iter_test_kern4 *skel;
+	struct bpf_link *link;
+	__u32 iter_size;
+	char *buf;
+
+	skel = bpf_iter_test_kern4__open();
+	if (!ASSERT_OK_PTR(skel, "bpf_iter_test_kern4__open"))
+		return;
+
+	/* create two maps: bpf program will only do bpf_seq_write
+	 * for these two maps. The goal is one map output almost
+	 * fills seq_file buffer and then the other will trigger
+	 * overflow and needs restart.
+	 */
+	map1_fd = bpf_map_create(BPF_MAP_TYPE_ARRAY, NULL, 4, 8, 1, NULL);
+	if (CHECK(map1_fd < 0, "bpf_map_create",
+		  "map_creation failed: %s\n", strerror(errno)))
+		goto out;
+	map2_fd = bpf_map_create(BPF_MAP_TYPE_ARRAY, NULL, 4, 8, 1, NULL);
+	if (CHECK(map2_fd < 0, "bpf_map_create",
+		  "map_creation failed: %s\n", strerror(errno)))
+		goto free_map1;
+
+	/* bpf_seq_printf kernel buffer is 8 pages, so one map
+	 * bpf_seq_write will mostly fill it, and the other map
+	 * will partially fill and then trigger overflow and need
+	 * bpf_seq_read restart.
+	 */
+	iter_size = sysconf(_SC_PAGE_SIZE) << 3;
+
+	if (test_e2big_overflow) {
+		skel->rodata->print_len = (iter_size + 8) / 8;
+		expected_read_len = 2 * (iter_size + 8);
+	} else if (!ret1) {
+		skel->rodata->print_len = (iter_size - 8) / 8;
+		expected_read_len = 2 * (iter_size - 8);
+	} else {
+		skel->rodata->print_len = 1;
+		expected_read_len = 2 * 8;
+	}
+	skel->rodata->ret1 = ret1;
+
+	if (!ASSERT_OK(bpf_iter_test_kern4__load(skel),
+		  "bpf_iter_test_kern4__load"))
+		goto free_map2;
+
+	/* setup filtering map_id in bpf program */
+	map_info_len = sizeof(map_info);
+	err = bpf_obj_get_info_by_fd(map1_fd, &map_info, &map_info_len);
+	if (CHECK(err, "get_map_info", "get map info failed: %s\n",
+		  strerror(errno)))
+		goto free_map2;
+	skel->bss->map1_id = map_info.id;
+
+	err = bpf_obj_get_info_by_fd(map2_fd, &map_info, &map_info_len);
+	if (CHECK(err, "get_map_info", "get map info failed: %s\n",
+		  strerror(errno)))
+		goto free_map2;
+	skel->bss->map2_id = map_info.id;
+
+	link = bpf_program__attach_iter(skel->progs.dump_bpf_map, NULL);
+	if (!ASSERT_OK_PTR(link, "attach_iter"))
+		goto free_map2;
+
+	iter_fd = bpf_iter_create(bpf_link__fd(link));
+	if (!ASSERT_GE(iter_fd, 0, "create_iter"))
+		goto free_link;
+
+	buf = malloc(expected_read_len);
+	if (!buf)
+		goto close_iter;
+
+	/* do read */
+	total_read_len = 0;
+	if (test_e2big_overflow) {
+		while ((len = read(iter_fd, buf, expected_read_len)) > 0)
+			total_read_len += len;
+
+		CHECK(len != -1 || errno != E2BIG, "read",
+		      "expected ret -1, errno E2BIG, but get ret %d, error %s\n",
+			  len, strerror(errno));
+		goto free_buf;
+	} else if (!ret1) {
+		while ((len = read(iter_fd, buf, expected_read_len)) > 0)
+			total_read_len += len;
+
+		if (CHECK(len < 0, "read", "read failed: %s\n",
+			  strerror(errno)))
+			goto free_buf;
+	} else {
+		do {
+			len = read(iter_fd, buf, expected_read_len);
+			if (len > 0)
+				total_read_len += len;
+		} while (len > 0 || len == -EAGAIN);
+
+		if (CHECK(len < 0, "read", "read failed: %s\n",
+			  strerror(errno)))
+			goto free_buf;
+	}
+
+	if (!ASSERT_EQ(total_read_len, expected_read_len, "read"))
+		goto free_buf;
+
+	if (!ASSERT_EQ(skel->bss->map1_accessed, 1, "map1_accessed"))
+		goto free_buf;
+
+	if (!ASSERT_EQ(skel->bss->map2_accessed, 2, "map2_accessed"))
+		goto free_buf;
+
+	ASSERT_EQ(skel->bss->map2_seqnum1, skel->bss->map2_seqnum2, "map2_seqnum");
+
+free_buf:
+	free(buf);
+close_iter:
+	close(iter_fd);
+free_link:
+	bpf_link__destroy(link);
+free_map2:
+	close(map2_fd);
+free_map1:
+	close(map1_fd);
+out:
+	bpf_iter_test_kern4__destroy(skel);
+}
+
+static void test_bpf_hash_map(void)
+{
+	__u32 expected_key_a = 0, expected_key_b = 0;
+	DECLARE_LIBBPF_OPTS(bpf_iter_attach_opts, opts);
+	struct bpf_iter_bpf_hash_map *skel;
+	int err, i, len, map_fd, iter_fd;
+	union bpf_iter_link_info linfo;
+	__u64 val, expected_val = 0;
+	struct bpf_link *link;
+	struct key_t {
+		int a;
+		int b;
+		int c;
+	} key;
+	char buf[64];
+
+	skel = bpf_iter_bpf_hash_map__open();
+	if (!ASSERT_OK_PTR(skel, "bpf_iter_bpf_hash_map__open"))
+		return;
+
+	skel->bss->in_test_mode = true;
+
+	err = bpf_iter_bpf_hash_map__load(skel);
+	if (!ASSERT_OK(err, "bpf_iter_bpf_hash_map__load"))
+		goto out;
+
+	/* iterator with hashmap2 and hashmap3 should fail */
+	memset(&linfo, 0, sizeof(linfo));
+	linfo.map.map_fd = bpf_map__fd(skel->maps.hashmap2);
+	opts.link_info = &linfo;
+	opts.link_info_len = sizeof(linfo);
+	link = bpf_program__attach_iter(skel->progs.dump_bpf_hash_map, &opts);
+	if (!ASSERT_ERR_PTR(link, "attach_iter"))
+		goto out;
+
+	linfo.map.map_fd = bpf_map__fd(skel->maps.hashmap3);
+	link = bpf_program__attach_iter(skel->progs.dump_bpf_hash_map, &opts);
+	if (!ASSERT_ERR_PTR(link, "attach_iter"))
+		goto out;
+
+	/* hashmap1 should be good, update map values here */
+	map_fd = bpf_map__fd(skel->maps.hashmap1);
+	for (i = 0; i < bpf_map__max_entries(skel->maps.hashmap1); i++) {
+		key.a = i + 1;
+		key.b = i + 2;
+		key.c = i + 3;
+		val = i + 4;
+		expected_key_a += key.a;
+		expected_key_b += key.b;
+		expected_val += val;
+
+		err = bpf_map_update_elem(map_fd, &key, &val, BPF_ANY);
+		if (!ASSERT_OK(err, "map_update"))
+			goto out;
+	}
+
+	/* Sleepable program is prohibited for hash map iterator */
+	linfo.map.map_fd = map_fd;
+	link = bpf_program__attach_iter(skel->progs.sleepable_dummy_dump, &opts);
+	if (!ASSERT_ERR_PTR(link, "attach_sleepable_prog_to_iter"))
+		goto out;
+
+	linfo.map.map_fd = map_fd;
+	link = bpf_program__attach_iter(skel->progs.dump_bpf_hash_map, &opts);
+	if (!ASSERT_OK_PTR(link, "attach_iter"))
+		goto out;
+
+	iter_fd = bpf_iter_create(bpf_link__fd(link));
+	if (!ASSERT_GE(iter_fd, 0, "create_iter"))
+		goto free_link;
+
+	/* do some tests */
+	while ((len = read(iter_fd, buf, sizeof(buf))) > 0)
+		;
+	if (CHECK(len < 0, "read", "read failed: %s\n", strerror(errno)))
+		goto close_iter;
+
+	/* test results */
+	if (!ASSERT_EQ(skel->bss->key_sum_a, expected_key_a, "key_sum_a"))
+		goto close_iter;
+	if (!ASSERT_EQ(skel->bss->key_sum_b, expected_key_b, "key_sum_b"))
+		goto close_iter;
+	if (!ASSERT_EQ(skel->bss->val_sum, expected_val, "val_sum"))
+		goto close_iter;
+
+close_iter:
+	close(iter_fd);
+free_link:
+	bpf_link__destroy(link);
+out:
+	bpf_iter_bpf_hash_map__destroy(skel);
+}
+
+static void test_bpf_percpu_hash_map(void)
+{
+	__u32 expected_key_a = 0, expected_key_b = 0;
+	DECLARE_LIBBPF_OPTS(bpf_iter_attach_opts, opts);
+	struct bpf_iter_bpf_percpu_hash_map *skel;
+	int err, i, j, len, map_fd, iter_fd;
+	union bpf_iter_link_info linfo;
+	__u32 expected_val = 0;
+	struct bpf_link *link;
+	struct key_t {
+		int a;
+		int b;
+		int c;
+	} key;
+	char buf[64];
+	void *val;
+
+	skel = bpf_iter_bpf_percpu_hash_map__open();
+	if (!ASSERT_OK_PTR(skel, "bpf_iter_bpf_percpu_hash_map__open"))
+		return;
+
+	skel->rodata->num_cpus = bpf_num_possible_cpus();
+	val = malloc(8 * bpf_num_possible_cpus());
+
+	err = bpf_iter_bpf_percpu_hash_map__load(skel);
+	if (!ASSERT_OK_PTR(skel, "bpf_iter_bpf_percpu_hash_map__load"))
+		goto out;
+
+	/* update map values here */
+	map_fd = bpf_map__fd(skel->maps.hashmap1);
+	for (i = 0; i < bpf_map__max_entries(skel->maps.hashmap1); i++) {
+		key.a = i + 1;
+		key.b = i + 2;
+		key.c = i + 3;
+		expected_key_a += key.a;
+		expected_key_b += key.b;
+
+		for (j = 0; j < bpf_num_possible_cpus(); j++) {
+			*(__u32 *)(val + j * 8) = i + j;
+			expected_val += i + j;
+		}
+
+		err = bpf_map_update_elem(map_fd, &key, val, BPF_ANY);
+		if (!ASSERT_OK(err, "map_update"))
+			goto out;
+	}
+
+	memset(&linfo, 0, sizeof(linfo));
+	linfo.map.map_fd = map_fd;
+	opts.link_info = &linfo;
+	opts.link_info_len = sizeof(linfo);
+	link = bpf_program__attach_iter(skel->progs.dump_bpf_percpu_hash_map, &opts);
+	if (!ASSERT_OK_PTR(link, "attach_iter"))
+		goto out;
+
+	iter_fd = bpf_iter_create(bpf_link__fd(link));
+	if (!ASSERT_GE(iter_fd, 0, "create_iter"))
+		goto free_link;
+
+	/* do some tests */
+	while ((len = read(iter_fd, buf, sizeof(buf))) > 0)
+		;
+	if (CHECK(len < 0, "read", "read failed: %s\n", strerror(errno)))
+		goto close_iter;
+
+	/* test results */
+	if (!ASSERT_EQ(skel->bss->key_sum_a, expected_key_a, "key_sum_a"))
+		goto close_iter;
+	if (!ASSERT_EQ(skel->bss->key_sum_b, expected_key_b, "key_sum_b"))
+		goto close_iter;
+	if (!ASSERT_EQ(skel->bss->val_sum, expected_val, "val_sum"))
+		goto close_iter;
+
+close_iter:
+	close(iter_fd);
+free_link:
+	bpf_link__destroy(link);
+out:
+	bpf_iter_bpf_percpu_hash_map__destroy(skel);
+	free(val);
+}
+
+static void test_bpf_array_map(void)
+{
+	__u64 val, expected_val = 0, res_first_val, first_val = 0;
+	DECLARE_LIBBPF_OPTS(bpf_iter_attach_opts, opts);
+	__u32 expected_key = 0, res_first_key;
+	struct bpf_iter_bpf_array_map *skel;
+	union bpf_iter_link_info linfo;
+	int err, i, map_fd, iter_fd;
+	struct bpf_link *link;
+	char buf[64] = {};
+	int len, start;
+
+	skel = bpf_iter_bpf_array_map__open_and_load();
+	if (!ASSERT_OK_PTR(skel, "bpf_iter_bpf_array_map__open_and_load"))
+		return;
+
+	map_fd = bpf_map__fd(skel->maps.arraymap1);
+	for (i = 0; i < bpf_map__max_entries(skel->maps.arraymap1); i++) {
+		val = i + 4;
+		expected_key += i;
+		expected_val += val;
+
+		if (i == 0)
+			first_val = val;
+
+		err = bpf_map_update_elem(map_fd, &i, &val, BPF_ANY);
+		if (!ASSERT_OK(err, "map_update"))
+			goto out;
+	}
+
+	memset(&linfo, 0, sizeof(linfo));
+	linfo.map.map_fd = map_fd;
+	opts.link_info = &linfo;
+	opts.link_info_len = sizeof(linfo);
+	link = bpf_program__attach_iter(skel->progs.dump_bpf_array_map, &opts);
+	if (!ASSERT_OK_PTR(link, "attach_iter"))
+		goto out;
+
+	iter_fd = bpf_iter_create(bpf_link__fd(link));
+	if (!ASSERT_GE(iter_fd, 0, "create_iter"))
+		goto free_link;
+
+	/* do some tests */
+	start = 0;
+	while ((len = read(iter_fd, buf + start, sizeof(buf) - start)) > 0)
+		start += len;
+	if (CHECK(len < 0, "read", "read failed: %s\n", strerror(errno)))
+		goto close_iter;
+
+	/* test results */
+	res_first_key = *(__u32 *)buf;
+	res_first_val = *(__u64 *)(buf + sizeof(__u32));
+	if (CHECK(res_first_key != 0 || res_first_val != first_val,
+		  "bpf_seq_write",
+		  "seq_write failure: first key %u vs expected 0, "
+		  " first value %llu vs expected %llu\n",
+		  res_first_key, res_first_val, first_val))
+		goto close_iter;
+
+	if (!ASSERT_EQ(skel->bss->key_sum, expected_key, "key_sum"))
+		goto close_iter;
+	if (!ASSERT_EQ(skel->bss->val_sum, expected_val, "val_sum"))
+		goto close_iter;
+
+	for (i = 0; i < bpf_map__max_entries(skel->maps.arraymap1); i++) {
+		err = bpf_map_lookup_elem(map_fd, &i, &val);
+		if (!ASSERT_OK(err, "map_lookup"))
+			goto out;
+		if (!ASSERT_EQ(i, val, "invalid_val"))
+			goto out;
+	}
+
+close_iter:
+	close(iter_fd);
+free_link:
+	bpf_link__destroy(link);
+out:
+	bpf_iter_bpf_array_map__destroy(skel);
+}
+
+static void test_bpf_array_map_iter_fd(void)
+{
+	struct bpf_iter_bpf_array_map *skel;
+
+	skel = bpf_iter_bpf_array_map__open_and_load();
+	if (!ASSERT_OK_PTR(skel, "bpf_iter_bpf_array_map__open_and_load"))
+		return;
+
+	do_read_map_iter_fd(&skel->skeleton, skel->progs.dump_bpf_array_map,
+			    skel->maps.arraymap1);
+
+	bpf_iter_bpf_array_map__destroy(skel);
+}
+
+static void test_bpf_percpu_array_map(void)
+{
+	DECLARE_LIBBPF_OPTS(bpf_iter_attach_opts, opts);
+	struct bpf_iter_bpf_percpu_array_map *skel;
+	__u32 expected_key = 0, expected_val = 0;
+	union bpf_iter_link_info linfo;
+	int err, i, j, map_fd, iter_fd;
+	struct bpf_link *link;
+	char buf[64];
+	void *val;
+	int len;
+
+	skel = bpf_iter_bpf_percpu_array_map__open();
+	if (!ASSERT_OK_PTR(skel, "bpf_iter_bpf_percpu_array_map__open"))
+		return;
+
+	skel->rodata->num_cpus = bpf_num_possible_cpus();
+	val = malloc(8 * bpf_num_possible_cpus());
+
+	err = bpf_iter_bpf_percpu_array_map__load(skel);
+	if (!ASSERT_OK_PTR(skel, "bpf_iter_bpf_percpu_array_map__load"))
+		goto out;
+
+	/* update map values here */
+	map_fd = bpf_map__fd(skel->maps.arraymap1);
+	for (i = 0; i < bpf_map__max_entries(skel->maps.arraymap1); i++) {
+		expected_key += i;
+
+		for (j = 0; j < bpf_num_possible_cpus(); j++) {
+			*(__u32 *)(val + j * 8) = i + j;
+			expected_val += i + j;
+		}
+
+		err = bpf_map_update_elem(map_fd, &i, val, BPF_ANY);
+		if (!ASSERT_OK(err, "map_update"))
+			goto out;
+	}
+
+	memset(&linfo, 0, sizeof(linfo));
+	linfo.map.map_fd = map_fd;
+	opts.link_info = &linfo;
+	opts.link_info_len = sizeof(linfo);
+	link = bpf_program__attach_iter(skel->progs.dump_bpf_percpu_array_map, &opts);
+	if (!ASSERT_OK_PTR(link, "attach_iter"))
+		goto out;
+
+	iter_fd = bpf_iter_create(bpf_link__fd(link));
+	if (!ASSERT_GE(iter_fd, 0, "create_iter"))
+		goto free_link;
+
+	/* do some tests */
+	while ((len = read(iter_fd, buf, sizeof(buf))) > 0)
+		;
+	if (CHECK(len < 0, "read", "read failed: %s\n", strerror(errno)))
+		goto close_iter;
+
+	/* test results */
+	if (!ASSERT_EQ(skel->bss->key_sum, expected_key, "key_sum"))
+		goto close_iter;
+	if (!ASSERT_EQ(skel->bss->val_sum, expected_val, "val_sum"))
+		goto close_iter;
+
+close_iter:
+	close(iter_fd);
+free_link:
+	bpf_link__destroy(link);
+out:
+	bpf_iter_bpf_percpu_array_map__destroy(skel);
+	free(val);
+}
+
+/* An iterator program deletes all local storage in a map. */
+static void test_bpf_sk_storage_delete(void)
+{
+	DECLARE_LIBBPF_OPTS(bpf_iter_attach_opts, opts);
+	struct bpf_iter_bpf_sk_storage_helpers *skel;
+	union bpf_iter_link_info linfo;
+	int err, len, map_fd, iter_fd;
+	struct bpf_link *link;
+	int sock_fd = -1;
+	__u32 val = 42;
+	char buf[64];
+
+	skel = bpf_iter_bpf_sk_storage_helpers__open_and_load();
+	if (!ASSERT_OK_PTR(skel, "bpf_iter_bpf_sk_storage_helpers__open_and_load"))
+		return;
+
+	map_fd = bpf_map__fd(skel->maps.sk_stg_map);
+
+	sock_fd = socket(AF_INET6, SOCK_STREAM, 0);
+	if (!ASSERT_GE(sock_fd, 0, "socket"))
+		goto out;
+	err = bpf_map_update_elem(map_fd, &sock_fd, &val, BPF_NOEXIST);
+	if (!ASSERT_OK(err, "map_update"))
+		goto out;
+
+	memset(&linfo, 0, sizeof(linfo));
+	linfo.map.map_fd = map_fd;
+	opts.link_info = &linfo;
+	opts.link_info_len = sizeof(linfo);
+	link = bpf_program__attach_iter(skel->progs.delete_bpf_sk_storage_map,
+					&opts);
+	if (!ASSERT_OK_PTR(link, "attach_iter"))
+		goto out;
+
+	iter_fd = bpf_iter_create(bpf_link__fd(link));
+	if (!ASSERT_GE(iter_fd, 0, "create_iter"))
+		goto free_link;
+
+	/* do some tests */
+	while ((len = read(iter_fd, buf, sizeof(buf))) > 0)
+		;
+	if (CHECK(len < 0, "read", "read failed: %s\n", strerror(errno)))
+		goto close_iter;
+
+	/* test results */
+	err = bpf_map_lookup_elem(map_fd, &sock_fd, &val);
+	if (CHECK(!err || errno != ENOENT, "bpf_map_lookup_elem",
+		  "map value wasn't deleted (err=%d, errno=%d)\n", err, errno))
+		goto close_iter;
+
+close_iter:
+	close(iter_fd);
+free_link:
+	bpf_link__destroy(link);
+out:
+	if (sock_fd >= 0)
+		close(sock_fd);
+	bpf_iter_bpf_sk_storage_helpers__destroy(skel);
+}
+
+/* This creates a socket and its local storage. It then runs a task_iter BPF
+ * program that replaces the existing socket local storage with the tgid of the
+ * only task owning a file descriptor to this socket, this process, prog_tests.
+ * It then runs a tcp socket iterator that negates the value in the existing
+ * socket local storage, the test verifies that the resulting value is -pid.
+ */
+static void test_bpf_sk_storage_get(void)
+{
+	struct bpf_iter_bpf_sk_storage_helpers *skel;
+	int err, map_fd, val = -1;
+	int sock_fd = -1;
+
+	skel = bpf_iter_bpf_sk_storage_helpers__open_and_load();
+	if (!ASSERT_OK_PTR(skel, "bpf_iter_bpf_sk_storage_helpers__open_and_load"))
+		return;
+
+	sock_fd = socket(AF_INET6, SOCK_STREAM, 0);
+	if (!ASSERT_GE(sock_fd, 0, "socket"))
+		goto out;
+
+	err = listen(sock_fd, 1);
+	if (!ASSERT_OK(err, "listen"))
+		goto close_socket;
+
+	map_fd = bpf_map__fd(skel->maps.sk_stg_map);
+
+	err = bpf_map_update_elem(map_fd, &sock_fd, &val, BPF_NOEXIST);
+	if (!ASSERT_OK(err, "bpf_map_update_elem"))
+		goto close_socket;
+
+	do_dummy_read(skel->progs.fill_socket_owner);
+
+	err = bpf_map_lookup_elem(map_fd, &sock_fd, &val);
+	if (CHECK(err || val != getpid(), "bpf_map_lookup_elem",
+	    "map value wasn't set correctly (expected %d, got %d, err=%d)\n",
+	    getpid(), val, err))
+		goto close_socket;
+
+	do_dummy_read(skel->progs.negate_socket_local_storage);
+
+	err = bpf_map_lookup_elem(map_fd, &sock_fd, &val);
+	CHECK(err || val != -getpid(), "bpf_map_lookup_elem",
+	      "map value wasn't set correctly (expected %d, got %d, err=%d)\n",
+	      -getpid(), val, err);
+
+close_socket:
+	close(sock_fd);
+out:
+	bpf_iter_bpf_sk_storage_helpers__destroy(skel);
+}
+
+static void test_bpf_sk_stoarge_map_iter_fd(void)
+{
+	struct bpf_iter_bpf_sk_storage_map *skel;
+
+	skel = bpf_iter_bpf_sk_storage_map__open_and_load();
+	if (!ASSERT_OK_PTR(skel, "bpf_iter_bpf_sk_storage_map__open_and_load"))
+		return;
+
+	do_read_map_iter_fd(&skel->skeleton, skel->progs.rw_bpf_sk_storage_map,
+			    skel->maps.sk_stg_map);
+
+	bpf_iter_bpf_sk_storage_map__destroy(skel);
+}
+
+static void test_bpf_sk_storage_map(void)
+{
+	DECLARE_LIBBPF_OPTS(bpf_iter_attach_opts, opts);
+	int err, i, len, map_fd, iter_fd, num_sockets;
+	struct bpf_iter_bpf_sk_storage_map *skel;
+	union bpf_iter_link_info linfo;
+	int sock_fd[3] = {-1, -1, -1};
+	__u32 val, expected_val = 0;
+	struct bpf_link *link;
+	char buf[64];
+
+	skel = bpf_iter_bpf_sk_storage_map__open_and_load();
+	if (!ASSERT_OK_PTR(skel, "bpf_iter_bpf_sk_storage_map__open_and_load"))
+		return;
+
+	map_fd = bpf_map__fd(skel->maps.sk_stg_map);
+	num_sockets = ARRAY_SIZE(sock_fd);
+	for (i = 0; i < num_sockets; i++) {
+		sock_fd[i] = socket(AF_INET6, SOCK_STREAM, 0);
+		if (!ASSERT_GE(sock_fd[i], 0, "socket"))
+			goto out;
+
+		val = i + 1;
+		expected_val += val;
+
+		err = bpf_map_update_elem(map_fd, &sock_fd[i], &val,
+					  BPF_NOEXIST);
+		if (!ASSERT_OK(err, "map_update"))
+			goto out;
+	}
+
+	memset(&linfo, 0, sizeof(linfo));
+	linfo.map.map_fd = map_fd;
+	opts.link_info = &linfo;
+	opts.link_info_len = sizeof(linfo);
+	link = bpf_program__attach_iter(skel->progs.oob_write_bpf_sk_storage_map, &opts);
+	err = libbpf_get_error(link);
+	if (!ASSERT_EQ(err, -EACCES, "attach_oob_write_iter")) {
+		if (!err)
+			bpf_link__destroy(link);
+		goto out;
+	}
+
+	link = bpf_program__attach_iter(skel->progs.rw_bpf_sk_storage_map, &opts);
+	if (!ASSERT_OK_PTR(link, "attach_iter"))
+		goto out;
+
+	iter_fd = bpf_iter_create(bpf_link__fd(link));
+	if (!ASSERT_GE(iter_fd, 0, "create_iter"))
+		goto free_link;
+
+	skel->bss->to_add_val = time(NULL);
+	/* do some tests */
+	while ((len = read(iter_fd, buf, sizeof(buf))) > 0)
+		;
+	if (CHECK(len < 0, "read", "read failed: %s\n", strerror(errno)))
+		goto close_iter;
+
+	/* test results */
+	if (!ASSERT_EQ(skel->bss->ipv6_sk_count, num_sockets, "ipv6_sk_count"))
+		goto close_iter;
+
+	if (!ASSERT_EQ(skel->bss->val_sum, expected_val, "val_sum"))
+		goto close_iter;
+
+	for (i = 0; i < num_sockets; i++) {
+		err = bpf_map_lookup_elem(map_fd, &sock_fd[i], &val);
+		if (!ASSERT_OK(err, "map_lookup") ||
+		    !ASSERT_EQ(val, i + 1 + skel->bss->to_add_val, "check_map_value"))
+			break;
+	}
+
+close_iter:
+	close(iter_fd);
+free_link:
+	bpf_link__destroy(link);
+out:
+	for (i = 0; i < num_sockets; i++) {
+		if (sock_fd[i] >= 0)
+			close(sock_fd[i]);
+	}
+	bpf_iter_bpf_sk_storage_map__destroy(skel);
+}
+
+static void test_rdonly_buf_out_of_bound(void)
+{
+	DECLARE_LIBBPF_OPTS(bpf_iter_attach_opts, opts);
+	struct bpf_iter_test_kern5 *skel;
+	union bpf_iter_link_info linfo;
+	struct bpf_link *link;
+
+	skel = bpf_iter_test_kern5__open_and_load();
+	if (!ASSERT_OK_PTR(skel, "bpf_iter_test_kern5__open_and_load"))
+		return;
+
+	memset(&linfo, 0, sizeof(linfo));
+	linfo.map.map_fd = bpf_map__fd(skel->maps.hashmap1);
+	opts.link_info = &linfo;
+	opts.link_info_len = sizeof(linfo);
+	link = bpf_program__attach_iter(skel->progs.dump_bpf_hash_map, &opts);
+	if (!ASSERT_ERR_PTR(link, "attach_iter"))
+		bpf_link__destroy(link);
+
+	bpf_iter_test_kern5__destroy(skel);
+}
+
+static void test_buf_neg_offset(void)
+{
+	struct bpf_iter_test_kern6 *skel;
+
+	skel = bpf_iter_test_kern6__open_and_load();
+	if (!ASSERT_ERR_PTR(skel, "bpf_iter_test_kern6__open_and_load"))
+		bpf_iter_test_kern6__destroy(skel);
+}
+
+static void test_link_iter(void)
+{
+	struct bpf_iter_bpf_link *skel;
+
+	skel = bpf_iter_bpf_link__open_and_load();
+	if (!ASSERT_OK_PTR(skel, "bpf_iter_bpf_link__open_and_load"))
+		return;
+
+	do_dummy_read(skel->progs.dump_bpf_link);
+
+	bpf_iter_bpf_link__destroy(skel);
+}
+
+static void test_ksym_iter(void)
+{
+	struct bpf_iter_ksym *skel;
+
+	skel = bpf_iter_ksym__open_and_load();
+	if (!ASSERT_OK_PTR(skel, "bpf_iter_ksym__open_and_load"))
+		return;
+
+	do_dummy_read(skel->progs.dump_ksym);
+
+	bpf_iter_ksym__destroy(skel);
+}
+
+#define CMP_BUFFER_SIZE 1024
+static char task_vma_output[CMP_BUFFER_SIZE];
+static char proc_maps_output[CMP_BUFFER_SIZE];
+
+/* remove \0 and \t from str, and only keep the first line */
+static void str_strip_first_line(char *str)
+{
+	char *dst = str, *src = str;
+
+	do {
+		if (*src == ' ' || *src == '\t')
+			src++;
+		else
+			*(dst++) = *(src++);
+
+	} while (*src != '\0' && *src != '\n');
+
+	*dst = '\0';
+}
+
+static void test_task_vma_common(struct bpf_iter_attach_opts *opts)
+{
+	int err, iter_fd = -1, proc_maps_fd = -1;
+	struct bpf_iter_task_vma *skel;
+	int len, read_size = 4;
+	char maps_path[64];
+
+	skel = bpf_iter_task_vma__open();
+	if (!ASSERT_OK_PTR(skel, "bpf_iter_task_vma__open"))
+		return;
+
+	skel->bss->pid = getpid();
+	skel->bss->one_task = opts ? 1 : 0;
+
+	err = bpf_iter_task_vma__load(skel);
+	if (!ASSERT_OK(err, "bpf_iter_task_vma__load"))
+		goto out;
+
+	skel->links.proc_maps = bpf_program__attach_iter(
+		skel->progs.proc_maps, opts);
+
+	if (!ASSERT_OK_PTR(skel->links.proc_maps, "bpf_program__attach_iter")) {
+		skel->links.proc_maps = NULL;
+		goto out;
+	}
+
+	iter_fd = bpf_iter_create(bpf_link__fd(skel->links.proc_maps));
+	if (!ASSERT_GE(iter_fd, 0, "create_iter"))
+		goto out;
+
+	/* Read CMP_BUFFER_SIZE (1kB) from bpf_iter. Read in small chunks
+	 * to trigger seq_file corner cases.
+	 */
+	len = 0;
+	while (len < CMP_BUFFER_SIZE) {
+		err = read_fd_into_buffer(iter_fd, task_vma_output + len,
+					  MIN(read_size, CMP_BUFFER_SIZE - len));
+		if (!err)
+			break;
+		if (!ASSERT_GE(err, 0, "read_iter_fd"))
+			goto out;
+		len += err;
+	}
+	if (opts)
+		ASSERT_EQ(skel->bss->one_task_error, 0, "unexpected task");
+
+	/* read CMP_BUFFER_SIZE (1kB) from /proc/pid/maps */
+	snprintf(maps_path, 64, "/proc/%u/maps", skel->bss->pid);
+	proc_maps_fd = open(maps_path, O_RDONLY);
+	if (!ASSERT_GE(proc_maps_fd, 0, "open_proc_maps"))
+		goto out;
+	err = read_fd_into_buffer(proc_maps_fd, proc_maps_output, CMP_BUFFER_SIZE);
+	if (!ASSERT_GE(err, 0, "read_prog_maps_fd"))
+		goto out;
+
+	/* strip and compare the first line of the two files */
+	str_strip_first_line(task_vma_output);
+	str_strip_first_line(proc_maps_output);
+
+	ASSERT_STREQ(task_vma_output, proc_maps_output, "compare_output");
+
+	check_bpf_link_info(skel->progs.proc_maps);
+
+out:
+	close(proc_maps_fd);
+	close(iter_fd);
+	bpf_iter_task_vma__destroy(skel);
+}
+
+void test_bpf_sockmap_map_iter_fd(void)
+{
+	struct bpf_iter_sockmap *skel;
+
+	skel = bpf_iter_sockmap__open_and_load();
+	if (!ASSERT_OK_PTR(skel, "bpf_iter_sockmap__open_and_load"))
+		return;
+
+	do_read_map_iter_fd(&skel->skeleton, skel->progs.copy, skel->maps.sockmap);
+
+	bpf_iter_sockmap__destroy(skel);
+}
+
+static void test_task_vma(void)
+{
+	LIBBPF_OPTS(bpf_iter_attach_opts, opts);
+	union bpf_iter_link_info linfo;
+
+	memset(&linfo, 0, sizeof(linfo));
+	linfo.task.tid = getpid();
+	opts.link_info = &linfo;
+	opts.link_info_len = sizeof(linfo);
+
+	test_task_vma_common(&opts);
+	test_task_vma_common(NULL);
+}
+
+/* uprobe attach point */
+static noinline int trigger_func(int arg)
+{
+	asm volatile ("");
+	return arg + 1;
+}
+
+static void test_task_vma_offset_common(struct bpf_iter_attach_opts *opts, bool one_proc)
+{
+	struct bpf_iter_vma_offset *skel;
+	char buf[16] = {};
+	int iter_fd, len;
+	int pgsz, shift;
+
+	skel = bpf_iter_vma_offset__open_and_load();
+	if (!ASSERT_OK_PTR(skel, "bpf_iter_vma_offset__open_and_load"))
+		return;
+
+	skel->bss->pid = getpid();
+	skel->bss->address = (uintptr_t)trigger_func;
+	for (pgsz = getpagesize(), shift = 0; pgsz > 1; pgsz >>= 1, shift++)
+		;
+	skel->bss->page_shift = shift;
+
+	skel->links.get_vma_offset = bpf_program__attach_iter(skel->progs.get_vma_offset, opts);
+	if (!ASSERT_OK_PTR(skel->links.get_vma_offset, "attach_iter"))
+		goto exit;
+
+	iter_fd = bpf_iter_create(bpf_link__fd(skel->links.get_vma_offset));
+	if (!ASSERT_GT(iter_fd, 0, "create_iter"))
+		goto exit;
+
+	while ((len = read(iter_fd, buf, sizeof(buf))) > 0)
+		;
+	buf[15] = 0;
+	ASSERT_EQ(strcmp(buf, "OK\n"), 0, "strcmp");
+
+	ASSERT_EQ(skel->bss->offset, get_uprobe_offset(trigger_func), "offset");
+	if (one_proc)
+		ASSERT_EQ(skel->bss->unique_tgid_cnt, 1, "unique_tgid_count");
+	else
+		ASSERT_GT(skel->bss->unique_tgid_cnt, 1, "unique_tgid_count");
+
+	close(iter_fd);
+
+exit:
+	bpf_iter_vma_offset__destroy(skel);
+}
+
+static void test_task_vma_offset(void)
+{
+	LIBBPF_OPTS(bpf_iter_attach_opts, opts);
+	union bpf_iter_link_info linfo;
+
+	memset(&linfo, 0, sizeof(linfo));
+	linfo.task.pid = getpid();
+	opts.link_info = &linfo;
+	opts.link_info_len = sizeof(linfo);
+
+	test_task_vma_offset_common(&opts, true);
+
+	linfo.task.pid = 0;
+	linfo.task.tid = getpid();
+	test_task_vma_offset_common(&opts, true);
+
+	test_task_vma_offset_common(NULL, false);
+}
+
+void test_bpf_iter(void)
+{
+	ASSERT_OK(pthread_mutex_init(&do_nothing_mutex, NULL), "pthread_mutex_init");
+
+	if (test__start_subtest("btf_id_or_null"))
+		test_btf_id_or_null();
+	if (test__start_subtest("ipv6_route"))
+		test_ipv6_route();
+	if (test__start_subtest("netlink"))
+		test_netlink();
+	if (test__start_subtest("bpf_map"))
+		test_bpf_map();
+	if (test__start_subtest("task_tid"))
+		test_task_tid();
+	if (test__start_subtest("task_pid"))
+		test_task_pid();
+	if (test__start_subtest("task_pidfd"))
+		test_task_pidfd();
+	if (test__start_subtest("task_sleepable"))
+		test_task_sleepable();
+	if (test__start_subtest("task_stack"))
+		test_task_stack();
+	if (test__start_subtest("task_file"))
+		test_task_file();
+	if (test__start_subtest("task_vma"))
+		test_task_vma();
+	if (test__start_subtest("task_btf"))
+		test_task_btf();
+	if (test__start_subtest("tcp4"))
+		test_tcp4();
+	if (test__start_subtest("tcp6"))
+		test_tcp6();
+	if (test__start_subtest("udp4"))
+		test_udp4();
+	if (test__start_subtest("udp6"))
+		test_udp6();
+	if (test__start_subtest("unix"))
+		test_unix();
+	if (test__start_subtest("anon"))
+		test_anon_iter(false);
+	if (test__start_subtest("anon-read-one-char"))
+		test_anon_iter(true);
+	if (test__start_subtest("file"))
+		test_file_iter();
+	if (test__start_subtest("overflow"))
+		test_overflow(false, false);
+	if (test__start_subtest("overflow-e2big"))
+		test_overflow(true, false);
+	if (test__start_subtest("prog-ret-1"))
+		test_overflow(false, true);
+	if (test__start_subtest("bpf_hash_map"))
+		test_bpf_hash_map();
+	if (test__start_subtest("bpf_percpu_hash_map"))
+		test_bpf_percpu_hash_map();
+	if (test__start_subtest("bpf_array_map"))
+		test_bpf_array_map();
+	if (test__start_subtest("bpf_array_map_iter_fd"))
+		test_bpf_array_map_iter_fd();
+	if (test__start_subtest("bpf_percpu_array_map"))
+		test_bpf_percpu_array_map();
+	if (test__start_subtest("bpf_sk_storage_map"))
+		test_bpf_sk_storage_map();
+	if (test__start_subtest("bpf_sk_storage_map_iter_fd"))
+		test_bpf_sk_stoarge_map_iter_fd();
+	if (test__start_subtest("bpf_sk_storage_delete"))
+		test_bpf_sk_storage_delete();
+	if (test__start_subtest("bpf_sk_storage_get"))
+		test_bpf_sk_storage_get();
+	if (test__start_subtest("rdonly-buf-out-of-bound"))
+		test_rdonly_buf_out_of_bound();
+	if (test__start_subtest("buf-neg-offset"))
+		test_buf_neg_offset();
+	if (test__start_subtest("link-iter"))
+		test_link_iter();
+	if (test__start_subtest("ksym"))
+		test_ksym_iter();
+	if (test__start_subtest("bpf_sockmap_map_iter_fd"))
+		test_bpf_sockmap_map_iter_fd();
+	if (test__start_subtest("vma_offset"))
+		test_task_vma_offset();
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/bpf_iter_setsockopt.c b/tools/testing/selftests/bpf/prog_tests/bpf_iter_setsockopt.c
new file mode 100644
index 000000000..b52ff8ce3
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/bpf_iter_setsockopt.c
@@ -0,0 +1,226 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2021 Facebook */
+#define _GNU_SOURCE
+#include <sched.h>
+#include <test_progs.h>
+#include "network_helpers.h"
+#include "bpf_dctcp.skel.h"
+#include "bpf_cubic.skel.h"
+#include "bpf_iter_setsockopt.skel.h"
+
+static int create_netns(void)
+{
+	if (!ASSERT_OK(unshare(CLONE_NEWNET), "create netns"))
+		return -1;
+
+	if (!ASSERT_OK(system("ip link set dev lo up"), "bring up lo"))
+		return -1;
+
+	return 0;
+}
+
+static unsigned int set_bpf_cubic(int *fds, unsigned int nr_fds)
+{
+	unsigned int i;
+
+	for (i = 0; i < nr_fds; i++) {
+		if (setsockopt(fds[i], SOL_TCP, TCP_CONGESTION, "bpf_cubic",
+			       sizeof("bpf_cubic")))
+			return i;
+	}
+
+	return nr_fds;
+}
+
+static unsigned int check_bpf_dctcp(int *fds, unsigned int nr_fds)
+{
+	char tcp_cc[16];
+	socklen_t optlen = sizeof(tcp_cc);
+	unsigned int i;
+
+	for (i = 0; i < nr_fds; i++) {
+		if (getsockopt(fds[i], SOL_TCP, TCP_CONGESTION,
+			       tcp_cc, &optlen) ||
+		    strcmp(tcp_cc, "bpf_dctcp"))
+			return i;
+	}
+
+	return nr_fds;
+}
+
+static int *make_established(int listen_fd, unsigned int nr_est,
+			     int **paccepted_fds)
+{
+	int *est_fds, *accepted_fds;
+	unsigned int i;
+
+	est_fds = malloc(sizeof(*est_fds) * nr_est);
+	if (!est_fds)
+		return NULL;
+
+	accepted_fds = malloc(sizeof(*accepted_fds) * nr_est);
+	if (!accepted_fds) {
+		free(est_fds);
+		return NULL;
+	}
+
+	for (i = 0; i < nr_est; i++) {
+		est_fds[i] = connect_to_fd(listen_fd, 0);
+		if (est_fds[i] == -1)
+			break;
+		if (set_bpf_cubic(&est_fds[i], 1) != 1) {
+			close(est_fds[i]);
+			break;
+		}
+
+		accepted_fds[i] = accept(listen_fd, NULL, 0);
+		if (accepted_fds[i] == -1) {
+			close(est_fds[i]);
+			break;
+		}
+	}
+
+	if (!ASSERT_EQ(i, nr_est, "create established fds")) {
+		free_fds(accepted_fds, i);
+		free_fds(est_fds, i);
+		return NULL;
+	}
+
+	*paccepted_fds = accepted_fds;
+	return est_fds;
+}
+
+static unsigned short get_local_port(int fd)
+{
+	struct sockaddr_in6 addr;
+	socklen_t addrlen = sizeof(addr);
+
+	if (!getsockname(fd, &addr, &addrlen))
+		return ntohs(addr.sin6_port);
+
+	return 0;
+}
+
+static void do_bpf_iter_setsockopt(struct bpf_iter_setsockopt *iter_skel,
+				   bool random_retry)
+{
+	int *reuse_listen_fds = NULL, *accepted_fds = NULL, *est_fds = NULL;
+	unsigned int nr_reuse_listens = 256, nr_est = 256;
+	int err, iter_fd = -1, listen_fd = -1;
+	char buf;
+
+	/* Prepare non-reuseport listen_fd */
+	listen_fd = start_server(AF_INET6, SOCK_STREAM, "::1", 0, 0);
+	if (!ASSERT_GE(listen_fd, 0, "start_server"))
+		return;
+	if (!ASSERT_EQ(set_bpf_cubic(&listen_fd, 1), 1,
+		       "set listen_fd to cubic"))
+		goto done;
+	iter_skel->bss->listen_hport = get_local_port(listen_fd);
+	if (!ASSERT_NEQ(iter_skel->bss->listen_hport, 0,
+			"get_local_port(listen_fd)"))
+		goto done;
+
+	/* Connect to non-reuseport listen_fd */
+	est_fds = make_established(listen_fd, nr_est, &accepted_fds);
+	if (!ASSERT_OK_PTR(est_fds, "create established"))
+		goto done;
+
+	/* Prepare reuseport listen fds */
+	reuse_listen_fds = start_reuseport_server(AF_INET6, SOCK_STREAM,
+						  "::1", 0, 0,
+						  nr_reuse_listens);
+	if (!ASSERT_OK_PTR(reuse_listen_fds, "start_reuseport_server"))
+		goto done;
+	if (!ASSERT_EQ(set_bpf_cubic(reuse_listen_fds, nr_reuse_listens),
+		       nr_reuse_listens, "set reuse_listen_fds to cubic"))
+		goto done;
+	iter_skel->bss->reuse_listen_hport = get_local_port(reuse_listen_fds[0]);
+	if (!ASSERT_NEQ(iter_skel->bss->reuse_listen_hport, 0,
+			"get_local_port(reuse_listen_fds[0])"))
+		goto done;
+
+	/* Run bpf tcp iter to switch from bpf_cubic to bpf_dctcp */
+	iter_skel->bss->random_retry = random_retry;
+	iter_fd = bpf_iter_create(bpf_link__fd(iter_skel->links.change_tcp_cc));
+	if (!ASSERT_GE(iter_fd, 0, "create iter_fd"))
+		goto done;
+
+	while ((err = read(iter_fd, &buf, sizeof(buf))) == -1 &&
+	       errno == EAGAIN)
+		;
+	if (!ASSERT_OK(err, "read iter error"))
+		goto done;
+
+	/* Check reuseport listen fds for dctcp */
+	ASSERT_EQ(check_bpf_dctcp(reuse_listen_fds, nr_reuse_listens),
+		  nr_reuse_listens,
+		  "check reuse_listen_fds dctcp");
+
+	/* Check non reuseport listen fd for dctcp */
+	ASSERT_EQ(check_bpf_dctcp(&listen_fd, 1), 1,
+		  "check listen_fd dctcp");
+
+	/* Check established fds for dctcp */
+	ASSERT_EQ(check_bpf_dctcp(est_fds, nr_est), nr_est,
+		  "check est_fds dctcp");
+
+	/* Check accepted fds for dctcp */
+	ASSERT_EQ(check_bpf_dctcp(accepted_fds, nr_est), nr_est,
+		  "check accepted_fds dctcp");
+
+done:
+	if (iter_fd != -1)
+		close(iter_fd);
+	if (listen_fd != -1)
+		close(listen_fd);
+	free_fds(reuse_listen_fds, nr_reuse_listens);
+	free_fds(accepted_fds, nr_est);
+	free_fds(est_fds, nr_est);
+}
+
+void serial_test_bpf_iter_setsockopt(void)
+{
+	struct bpf_iter_setsockopt *iter_skel = NULL;
+	struct bpf_cubic *cubic_skel = NULL;
+	struct bpf_dctcp *dctcp_skel = NULL;
+	struct bpf_link *cubic_link = NULL;
+	struct bpf_link *dctcp_link = NULL;
+
+	if (create_netns())
+		return;
+
+	/* Load iter_skel */
+	iter_skel = bpf_iter_setsockopt__open_and_load();
+	if (!ASSERT_OK_PTR(iter_skel, "iter_skel"))
+		return;
+	iter_skel->links.change_tcp_cc = bpf_program__attach_iter(iter_skel->progs.change_tcp_cc, NULL);
+	if (!ASSERT_OK_PTR(iter_skel->links.change_tcp_cc, "attach iter"))
+		goto done;
+
+	/* Load bpf_cubic */
+	cubic_skel = bpf_cubic__open_and_load();
+	if (!ASSERT_OK_PTR(cubic_skel, "cubic_skel"))
+		goto done;
+	cubic_link = bpf_map__attach_struct_ops(cubic_skel->maps.cubic);
+	if (!ASSERT_OK_PTR(cubic_link, "cubic_link"))
+		goto done;
+
+	/* Load bpf_dctcp */
+	dctcp_skel = bpf_dctcp__open_and_load();
+	if (!ASSERT_OK_PTR(dctcp_skel, "dctcp_skel"))
+		goto done;
+	dctcp_link = bpf_map__attach_struct_ops(dctcp_skel->maps.dctcp);
+	if (!ASSERT_OK_PTR(dctcp_link, "dctcp_link"))
+		goto done;
+
+	do_bpf_iter_setsockopt(iter_skel, true);
+	do_bpf_iter_setsockopt(iter_skel, false);
+
+done:
+	bpf_link__destroy(cubic_link);
+	bpf_link__destroy(dctcp_link);
+	bpf_cubic__destroy(cubic_skel);
+	bpf_dctcp__destroy(dctcp_skel);
+	bpf_iter_setsockopt__destroy(iter_skel);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/bpf_iter_setsockopt_unix.c b/tools/testing/selftests/bpf/prog_tests/bpf_iter_setsockopt_unix.c
new file mode 100644
index 000000000..ee725d4d9
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/bpf_iter_setsockopt_unix.c
@@ -0,0 +1,100 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright Amazon.com Inc. or its affiliates. */
+#include <sys/socket.h>
+#include <sys/un.h>
+#include <test_progs.h>
+#include "bpf_iter_setsockopt_unix.skel.h"
+
+#define NR_CASES 5
+
+static int create_unix_socket(struct bpf_iter_setsockopt_unix *skel)
+{
+	struct sockaddr_un addr = {
+		.sun_family = AF_UNIX,
+		.sun_path = "",
+	};
+	socklen_t len;
+	int fd, err;
+
+	fd = socket(AF_UNIX, SOCK_STREAM, 0);
+	if (!ASSERT_NEQ(fd, -1, "socket"))
+		return -1;
+
+	len = offsetof(struct sockaddr_un, sun_path);
+	err = bind(fd, (struct sockaddr *)&addr, len);
+	if (!ASSERT_OK(err, "bind"))
+		return -1;
+
+	len = sizeof(addr);
+	err = getsockname(fd, (struct sockaddr *)&addr, &len);
+	if (!ASSERT_OK(err, "getsockname"))
+		return -1;
+
+	memcpy(&skel->bss->sun_path, &addr.sun_path,
+	       len - offsetof(struct sockaddr_un, sun_path));
+
+	return fd;
+}
+
+static void test_sndbuf(struct bpf_iter_setsockopt_unix *skel, int fd)
+{
+	socklen_t optlen;
+	int i, err;
+
+	for (i = 0; i < NR_CASES; i++) {
+		if (!ASSERT_NEQ(skel->data->sndbuf_getsockopt[i], -1,
+				"bpf_(get|set)sockopt"))
+			return;
+
+		err = setsockopt(fd, SOL_SOCKET, SO_SNDBUF,
+				 &(skel->data->sndbuf_setsockopt[i]),
+				 sizeof(skel->data->sndbuf_setsockopt[i]));
+		if (!ASSERT_OK(err, "setsockopt"))
+			return;
+
+		optlen = sizeof(skel->bss->sndbuf_getsockopt_expected[i]);
+		err = getsockopt(fd, SOL_SOCKET, SO_SNDBUF,
+				 &(skel->bss->sndbuf_getsockopt_expected[i]),
+				 &optlen);
+		if (!ASSERT_OK(err, "getsockopt"))
+			return;
+
+		if (!ASSERT_EQ(skel->data->sndbuf_getsockopt[i],
+			       skel->bss->sndbuf_getsockopt_expected[i],
+			       "bpf_(get|set)sockopt"))
+			return;
+	}
+}
+
+void test_bpf_iter_setsockopt_unix(void)
+{
+	struct bpf_iter_setsockopt_unix *skel;
+	int err, unix_fd, iter_fd;
+	char buf;
+
+	skel = bpf_iter_setsockopt_unix__open_and_load();
+	if (!ASSERT_OK_PTR(skel, "open_and_load"))
+		return;
+
+	unix_fd = create_unix_socket(skel);
+	if (!ASSERT_NEQ(unix_fd, -1, "create_unix_server"))
+		goto destroy;
+
+	skel->links.change_sndbuf = bpf_program__attach_iter(skel->progs.change_sndbuf, NULL);
+	if (!ASSERT_OK_PTR(skel->links.change_sndbuf, "bpf_program__attach_iter"))
+		goto destroy;
+
+	iter_fd = bpf_iter_create(bpf_link__fd(skel->links.change_sndbuf));
+	if (!ASSERT_GE(iter_fd, 0, "bpf_iter_create"))
+		goto destroy;
+
+	while ((err = read(iter_fd, &buf, sizeof(buf))) == -1 &&
+	       errno == EAGAIN)
+		;
+	if (!ASSERT_OK(err, "read iter error"))
+		goto destroy;
+
+	test_sndbuf(skel, unix_fd);
+destroy:
+	bpf_iter_setsockopt_unix__destroy(skel);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/bpf_loop.c b/tools/testing/selftests/bpf/prog_tests/bpf_loop.c
new file mode 100644
index 000000000..4cd8a25af
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/bpf_loop.c
@@ -0,0 +1,207 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2021 Facebook */
+
+#include <test_progs.h>
+#include <network_helpers.h>
+#include "bpf_loop.skel.h"
+
+static void check_nr_loops(struct bpf_loop *skel)
+{
+	struct bpf_link *link;
+
+	link = bpf_program__attach(skel->progs.test_prog);
+	if (!ASSERT_OK_PTR(link, "link"))
+		return;
+
+	/* test 0 loops */
+	skel->bss->nr_loops = 0;
+
+	usleep(1);
+
+	ASSERT_EQ(skel->bss->nr_loops_returned, skel->bss->nr_loops,
+		  "0 loops");
+
+	/* test 500 loops */
+	skel->bss->nr_loops = 500;
+
+	usleep(1);
+
+	ASSERT_EQ(skel->bss->nr_loops_returned, skel->bss->nr_loops,
+		  "500 loops");
+	ASSERT_EQ(skel->bss->g_output, (500 * 499) / 2, "g_output");
+
+	/* test exceeding the max limit */
+	skel->bss->nr_loops = -1;
+
+	usleep(1);
+
+	ASSERT_EQ(skel->bss->err, -E2BIG, "over max limit");
+
+	bpf_link__destroy(link);
+}
+
+static void check_callback_fn_stop(struct bpf_loop *skel)
+{
+	struct bpf_link *link;
+
+	link = bpf_program__attach(skel->progs.test_prog);
+	if (!ASSERT_OK_PTR(link, "link"))
+		return;
+
+	/* testing that loop is stopped when callback_fn returns 1 */
+	skel->bss->nr_loops = 400;
+	skel->data->stop_index = 50;
+
+	usleep(1);
+
+	ASSERT_EQ(skel->bss->nr_loops_returned, skel->data->stop_index + 1,
+		  "nr_loops_returned");
+	ASSERT_EQ(skel->bss->g_output, (50 * 49) / 2,
+		  "g_output");
+
+	bpf_link__destroy(link);
+}
+
+static void check_null_callback_ctx(struct bpf_loop *skel)
+{
+	struct bpf_link *link;
+
+	/* check that user is able to pass in a null callback_ctx */
+	link = bpf_program__attach(skel->progs.prog_null_ctx);
+	if (!ASSERT_OK_PTR(link, "link"))
+		return;
+
+	skel->bss->nr_loops = 10;
+
+	usleep(1);
+
+	ASSERT_EQ(skel->bss->nr_loops_returned, skel->bss->nr_loops,
+		  "nr_loops_returned");
+
+	bpf_link__destroy(link);
+}
+
+static void check_invalid_flags(struct bpf_loop *skel)
+{
+	struct bpf_link *link;
+
+	/* check that passing in non-zero flags returns -EINVAL */
+	link = bpf_program__attach(skel->progs.prog_invalid_flags);
+	if (!ASSERT_OK_PTR(link, "link"))
+		return;
+
+	usleep(1);
+
+	ASSERT_EQ(skel->bss->err, -EINVAL, "err");
+
+	bpf_link__destroy(link);
+}
+
+static void check_nested_calls(struct bpf_loop *skel)
+{
+	__u32 nr_loops = 100, nested_callback_nr_loops = 4;
+	struct bpf_link *link;
+
+	/* check that nested calls are supported */
+	link = bpf_program__attach(skel->progs.prog_nested_calls);
+	if (!ASSERT_OK_PTR(link, "link"))
+		return;
+
+	skel->bss->nr_loops = nr_loops;
+	skel->bss->nested_callback_nr_loops = nested_callback_nr_loops;
+
+	usleep(1);
+
+	ASSERT_EQ(skel->bss->nr_loops_returned, nr_loops * nested_callback_nr_loops
+		  * nested_callback_nr_loops, "nr_loops_returned");
+	ASSERT_EQ(skel->bss->g_output, (4 * 3) / 2 * nested_callback_nr_loops
+		* nr_loops, "g_output");
+
+	bpf_link__destroy(link);
+}
+
+static void check_non_constant_callback(struct bpf_loop *skel)
+{
+	struct bpf_link *link =
+		bpf_program__attach(skel->progs.prog_non_constant_callback);
+
+	if (!ASSERT_OK_PTR(link, "link"))
+		return;
+
+	skel->bss->callback_selector = 0x0F;
+	usleep(1);
+	ASSERT_EQ(skel->bss->g_output, 0x0F, "g_output #1");
+
+	skel->bss->callback_selector = 0xF0;
+	usleep(1);
+	ASSERT_EQ(skel->bss->g_output, 0xF0, "g_output #2");
+
+	bpf_link__destroy(link);
+}
+
+static void check_stack(struct bpf_loop *skel)
+{
+	struct bpf_link *link = bpf_program__attach(skel->progs.stack_check);
+	const int max_key = 12;
+	int key;
+	int map_fd;
+
+	if (!ASSERT_OK_PTR(link, "link"))
+		return;
+
+	map_fd = bpf_map__fd(skel->maps.map1);
+
+	if (!ASSERT_GE(map_fd, 0, "bpf_map__fd"))
+		goto out;
+
+	for (key = 1; key <= max_key; ++key) {
+		int val = key;
+		int err = bpf_map_update_elem(map_fd, &key, &val, BPF_NOEXIST);
+
+		if (!ASSERT_OK(err, "bpf_map_update_elem"))
+			goto out;
+	}
+
+	usleep(1);
+
+	for (key = 1; key <= max_key; ++key) {
+		int val;
+		int err = bpf_map_lookup_elem(map_fd, &key, &val);
+
+		if (!ASSERT_OK(err, "bpf_map_lookup_elem"))
+			goto out;
+		if (!ASSERT_EQ(val, key + 1, "bad value in the map"))
+			goto out;
+	}
+
+out:
+	bpf_link__destroy(link);
+}
+
+void test_bpf_loop(void)
+{
+	struct bpf_loop *skel;
+
+	skel = bpf_loop__open_and_load();
+	if (!ASSERT_OK_PTR(skel, "bpf_loop__open_and_load"))
+		return;
+
+	skel->bss->pid = getpid();
+
+	if (test__start_subtest("check_nr_loops"))
+		check_nr_loops(skel);
+	if (test__start_subtest("check_callback_fn_stop"))
+		check_callback_fn_stop(skel);
+	if (test__start_subtest("check_null_callback_ctx"))
+		check_null_callback_ctx(skel);
+	if (test__start_subtest("check_invalid_flags"))
+		check_invalid_flags(skel);
+	if (test__start_subtest("check_nested_calls"))
+		check_nested_calls(skel);
+	if (test__start_subtest("check_non_constant_callback"))
+		check_non_constant_callback(skel);
+	if (test__start_subtest("check_stack"))
+		check_stack(skel);
+
+	bpf_loop__destroy(skel);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/bpf_mod_race.c b/tools/testing/selftests/bpf/prog_tests/bpf_mod_race.c
new file mode 100644
index 000000000..a4d0cc9d3
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/bpf_mod_race.c
@@ -0,0 +1,230 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <unistd.h>
+#include <pthread.h>
+#include <sys/mman.h>
+#include <stdatomic.h>
+#include <test_progs.h>
+#include <sys/syscall.h>
+#include <linux/module.h>
+#include <linux/userfaultfd.h>
+
+#include "ksym_race.skel.h"
+#include "bpf_mod_race.skel.h"
+#include "kfunc_call_race.skel.h"
+
+/* This test crafts a race between btf_try_get_module and do_init_module, and
+ * checks whether btf_try_get_module handles the invocation for a well-formed
+ * but uninitialized module correctly. Unless the module has completed its
+ * initcalls, the verifier should fail the program load and return ENXIO.
+ *
+ * userfaultfd is used to trigger a fault in an fmod_ret program, and make it
+ * sleep, then the BPF program is loaded and the return value from verifier is
+ * inspected. After this, the userfaultfd is closed so that the module loading
+ * thread makes forward progress, and fmod_ret injects an error so that the
+ * module load fails and it is freed.
+ *
+ * If the verifier succeeded in loading the supplied program, it will end up
+ * taking reference to freed module, and trigger a crash when the program fd
+ * is closed later. This is true for both kfuncs and ksyms. In both cases,
+ * the crash is triggered inside bpf_prog_free_deferred, when module reference
+ * is finally released.
+ */
+
+struct test_config {
+	const char *str_open;
+	void *(*bpf_open_and_load)();
+	void (*bpf_destroy)(void *);
+};
+
+enum bpf_test_state {
+	_TS_INVALID,
+	TS_MODULE_LOAD,
+	TS_MODULE_LOAD_FAIL,
+};
+
+static _Atomic enum bpf_test_state state = _TS_INVALID;
+
+static int sys_finit_module(int fd, const char *param_values, int flags)
+{
+	return syscall(__NR_finit_module, fd, param_values, flags);
+}
+
+static int sys_delete_module(const char *name, unsigned int flags)
+{
+	return syscall(__NR_delete_module, name, flags);
+}
+
+static int load_module(const char *mod)
+{
+	int ret, fd;
+
+	fd = open("bpf_testmod.ko", O_RDONLY);
+	if (fd < 0)
+		return fd;
+
+	ret = sys_finit_module(fd, "", 0);
+	close(fd);
+	if (ret < 0)
+		return ret;
+	return 0;
+}
+
+static void *load_module_thread(void *p)
+{
+
+	if (!ASSERT_NEQ(load_module("bpf_testmod.ko"), 0, "load_module_thread must fail"))
+		atomic_store(&state, TS_MODULE_LOAD);
+	else
+		atomic_store(&state, TS_MODULE_LOAD_FAIL);
+	return p;
+}
+
+static int sys_userfaultfd(int flags)
+{
+	return syscall(__NR_userfaultfd, flags);
+}
+
+static int test_setup_uffd(void *fault_addr)
+{
+	struct uffdio_register uffd_register = {};
+	struct uffdio_api uffd_api = {};
+	int uffd;
+
+	uffd = sys_userfaultfd(O_CLOEXEC);
+	if (uffd < 0)
+		return -errno;
+
+	uffd_api.api = UFFD_API;
+	uffd_api.features = 0;
+	if (ioctl(uffd, UFFDIO_API, &uffd_api)) {
+		close(uffd);
+		return -1;
+	}
+
+	uffd_register.range.start = (unsigned long)fault_addr;
+	uffd_register.range.len = 4096;
+	uffd_register.mode = UFFDIO_REGISTER_MODE_MISSING;
+	if (ioctl(uffd, UFFDIO_REGISTER, &uffd_register)) {
+		close(uffd);
+		return -1;
+	}
+	return uffd;
+}
+
+static void test_bpf_mod_race_config(const struct test_config *config)
+{
+	void *fault_addr, *skel_fail;
+	struct bpf_mod_race *skel;
+	struct uffd_msg uffd_msg;
+	pthread_t load_mod_thrd;
+	_Atomic int *blockingp;
+	int uffd, ret;
+
+	fault_addr = mmap(0, 4096, PROT_READ, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
+	if (!ASSERT_NEQ(fault_addr, MAP_FAILED, "mmap for uffd registration"))
+		return;
+
+	if (!ASSERT_OK(sys_delete_module("bpf_testmod", 0), "unload bpf_testmod"))
+		goto end_mmap;
+
+	skel = bpf_mod_race__open();
+	if (!ASSERT_OK_PTR(skel, "bpf_mod_kfunc_race__open"))
+		goto end_module;
+
+	skel->rodata->bpf_mod_race_config.tgid = getpid();
+	skel->rodata->bpf_mod_race_config.inject_error = -4242;
+	skel->rodata->bpf_mod_race_config.fault_addr = fault_addr;
+	if (!ASSERT_OK(bpf_mod_race__load(skel), "bpf_mod___load"))
+		goto end_destroy;
+	blockingp = (_Atomic int *)&skel->bss->bpf_blocking;
+
+	if (!ASSERT_OK(bpf_mod_race__attach(skel), "bpf_mod_kfunc_race__attach"))
+		goto end_destroy;
+
+	uffd = test_setup_uffd(fault_addr);
+	if (!ASSERT_GE(uffd, 0, "userfaultfd open + register address"))
+		goto end_destroy;
+
+	if (!ASSERT_OK(pthread_create(&load_mod_thrd, NULL, load_module_thread, NULL),
+		       "load module thread"))
+		goto end_uffd;
+
+	/* Now, we either fail loading module, or block in bpf prog, spin to find out */
+	while (!atomic_load(&state) && !atomic_load(blockingp))
+		;
+	if (!ASSERT_EQ(state, _TS_INVALID, "module load should block"))
+		goto end_join;
+	if (!ASSERT_EQ(*blockingp, 1, "module load blocked")) {
+		pthread_kill(load_mod_thrd, SIGKILL);
+		goto end_uffd;
+	}
+
+	/* We might have set bpf_blocking to 1, but may have not blocked in
+	 * bpf_copy_from_user. Read userfaultfd descriptor to verify that.
+	 */
+	if (!ASSERT_EQ(read(uffd, &uffd_msg, sizeof(uffd_msg)), sizeof(uffd_msg),
+		       "read uffd block event"))
+		goto end_join;
+	if (!ASSERT_EQ(uffd_msg.event, UFFD_EVENT_PAGEFAULT, "read uffd event is pagefault"))
+		goto end_join;
+
+	/* We know that load_mod_thrd is blocked in the fmod_ret program, the
+	 * module state is still MODULE_STATE_COMING because mod->init hasn't
+	 * returned. This is the time we try to load a program calling kfunc and
+	 * check if we get ENXIO from verifier.
+	 */
+	skel_fail = config->bpf_open_and_load();
+	ret = errno;
+	if (!ASSERT_EQ(skel_fail, NULL, config->str_open)) {
+		/* Close uffd to unblock load_mod_thrd */
+		close(uffd);
+		uffd = -1;
+		while (atomic_load(blockingp) != 2)
+			;
+		ASSERT_OK(kern_sync_rcu(), "kern_sync_rcu");
+		config->bpf_destroy(skel_fail);
+		goto end_join;
+
+	}
+	ASSERT_EQ(ret, ENXIO, "verifier returns ENXIO");
+	ASSERT_EQ(skel->data->res_try_get_module, false, "btf_try_get_module == false");
+
+	close(uffd);
+	uffd = -1;
+end_join:
+	pthread_join(load_mod_thrd, NULL);
+	if (uffd < 0)
+		ASSERT_EQ(atomic_load(&state), TS_MODULE_LOAD_FAIL, "load_mod_thrd success");
+end_uffd:
+	if (uffd >= 0)
+		close(uffd);
+end_destroy:
+	bpf_mod_race__destroy(skel);
+	ASSERT_OK(kern_sync_rcu(), "kern_sync_rcu");
+end_module:
+	sys_delete_module("bpf_testmod", 0);
+	ASSERT_OK(load_module("bpf_testmod.ko"), "restore bpf_testmod");
+end_mmap:
+	munmap(fault_addr, 4096);
+	atomic_store(&state, _TS_INVALID);
+}
+
+static const struct test_config ksym_config = {
+	.str_open = "ksym_race__open_and_load",
+	.bpf_open_and_load = (void *)ksym_race__open_and_load,
+	.bpf_destroy = (void *)ksym_race__destroy,
+};
+
+static const struct test_config kfunc_config = {
+	.str_open = "kfunc_call_race__open_and_load",
+	.bpf_open_and_load = (void *)kfunc_call_race__open_and_load,
+	.bpf_destroy = (void *)kfunc_call_race__destroy,
+};
+
+void serial_test_bpf_mod_race(void)
+{
+	if (test__start_subtest("ksym (used_btfs UAF)"))
+		test_bpf_mod_race_config(&ksym_config);
+	if (test__start_subtest("kfunc (kfunc_btf_tab UAF)"))
+		test_bpf_mod_race_config(&kfunc_config);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/bpf_nf.c b/tools/testing/selftests/bpf/prog_tests/bpf_nf.c
new file mode 100644
index 000000000..b2998896f
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/bpf_nf.c
@@ -0,0 +1,182 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <test_progs.h>
+#include <network_helpers.h>
+#include <linux/netfilter/nf_conntrack_common.h>
+#include "test_bpf_nf.skel.h"
+#include "test_bpf_nf_fail.skel.h"
+
+static char log_buf[1024 * 1024];
+
+struct {
+	const char *prog_name;
+	const char *err_msg;
+} test_bpf_nf_fail_tests[] = {
+	{ "alloc_release", "kernel function bpf_ct_release args#0 expected pointer to STRUCT nf_conn but" },
+	{ "insert_insert", "kernel function bpf_ct_insert_entry args#0 expected pointer to STRUCT nf_conn___init but" },
+	{ "lookup_insert", "kernel function bpf_ct_insert_entry args#0 expected pointer to STRUCT nf_conn___init but" },
+	{ "set_timeout_after_insert", "kernel function bpf_ct_set_timeout args#0 expected pointer to STRUCT nf_conn___init but" },
+	{ "set_status_after_insert", "kernel function bpf_ct_set_status args#0 expected pointer to STRUCT nf_conn___init but" },
+	{ "change_timeout_after_alloc", "kernel function bpf_ct_change_timeout args#0 expected pointer to STRUCT nf_conn but" },
+	{ "change_status_after_alloc", "kernel function bpf_ct_change_status args#0 expected pointer to STRUCT nf_conn but" },
+	{ "write_not_allowlisted_field", "no write support to nf_conn at off" },
+};
+
+enum {
+	TEST_XDP,
+	TEST_TC_BPF,
+};
+
+#define TIMEOUT_MS		3000
+#define IPS_STATUS_MASK		(IPS_CONFIRMED | IPS_SEEN_REPLY | \
+				 IPS_SRC_NAT_DONE | IPS_DST_NAT_DONE | \
+				 IPS_SRC_NAT | IPS_DST_NAT)
+
+static int connect_to_server(int srv_fd)
+{
+	int fd = -1;
+
+	fd = socket(AF_INET, SOCK_STREAM, 0);
+	if (!ASSERT_GE(fd, 0, "socket"))
+		goto out;
+
+	if (!ASSERT_EQ(connect_fd_to_fd(fd, srv_fd, TIMEOUT_MS), 0, "connect_fd_to_fd")) {
+		close(fd);
+		fd = -1;
+	}
+out:
+	return fd;
+}
+
+static void test_bpf_nf_ct(int mode)
+{
+	const char *iptables = "iptables -t raw %s PREROUTING -j CONNMARK --set-mark 42/0";
+	int srv_fd = -1, client_fd = -1, srv_client_fd = -1;
+	struct sockaddr_in peer_addr = {};
+	struct test_bpf_nf *skel;
+	int prog_fd, err;
+	socklen_t len;
+	u16 srv_port;
+	char cmd[64];
+	LIBBPF_OPTS(bpf_test_run_opts, topts,
+		.data_in = &pkt_v4,
+		.data_size_in = sizeof(pkt_v4),
+		.repeat = 1,
+	);
+
+	skel = test_bpf_nf__open_and_load();
+	if (!ASSERT_OK_PTR(skel, "test_bpf_nf__open_and_load"))
+		return;
+
+	/* Enable connection tracking */
+	snprintf(cmd, sizeof(cmd), iptables, "-A");
+	if (!ASSERT_OK(system(cmd), "iptables"))
+		goto end;
+
+	srv_port = (mode == TEST_XDP) ? 5005 : 5006;
+	srv_fd = start_server(AF_INET, SOCK_STREAM, "127.0.0.1", srv_port, TIMEOUT_MS);
+	if (!ASSERT_GE(srv_fd, 0, "start_server"))
+		goto end;
+
+	client_fd = connect_to_server(srv_fd);
+	if (!ASSERT_GE(client_fd, 0, "connect_to_server"))
+		goto end;
+
+	len = sizeof(peer_addr);
+	srv_client_fd = accept(srv_fd, (struct sockaddr *)&peer_addr, &len);
+	if (!ASSERT_GE(srv_client_fd, 0, "accept"))
+		goto end;
+	if (!ASSERT_EQ(len, sizeof(struct sockaddr_in), "sockaddr len"))
+		goto end;
+
+	skel->bss->saddr = peer_addr.sin_addr.s_addr;
+	skel->bss->sport = peer_addr.sin_port;
+	skel->bss->daddr = peer_addr.sin_addr.s_addr;
+	skel->bss->dport = htons(srv_port);
+
+	if (mode == TEST_XDP)
+		prog_fd = bpf_program__fd(skel->progs.nf_xdp_ct_test);
+	else
+		prog_fd = bpf_program__fd(skel->progs.nf_skb_ct_test);
+
+	err = bpf_prog_test_run_opts(prog_fd, &topts);
+	if (!ASSERT_OK(err, "bpf_prog_test_run"))
+		goto end;
+
+	ASSERT_EQ(skel->bss->test_einval_bpf_tuple, -EINVAL, "Test EINVAL for NULL bpf_tuple");
+	ASSERT_EQ(skel->bss->test_einval_reserved, -EINVAL, "Test EINVAL for reserved not set to 0");
+	ASSERT_EQ(skel->bss->test_einval_netns_id, -EINVAL, "Test EINVAL for netns_id < -1");
+	ASSERT_EQ(skel->bss->test_einval_len_opts, -EINVAL, "Test EINVAL for len__opts != NF_BPF_CT_OPTS_SZ");
+	ASSERT_EQ(skel->bss->test_eproto_l4proto, -EPROTO, "Test EPROTO for l4proto != TCP or UDP");
+	ASSERT_EQ(skel->bss->test_enonet_netns_id, -ENONET, "Test ENONET for bad but valid netns_id");
+	ASSERT_EQ(skel->bss->test_enoent_lookup, -ENOENT, "Test ENOENT for failed lookup");
+	ASSERT_EQ(skel->bss->test_eafnosupport, -EAFNOSUPPORT, "Test EAFNOSUPPORT for invalid len__tuple");
+	ASSERT_EQ(skel->data->test_alloc_entry, 0, "Test for alloc new entry");
+	ASSERT_EQ(skel->data->test_insert_entry, 0, "Test for insert new entry");
+	ASSERT_EQ(skel->data->test_succ_lookup, 0, "Test for successful lookup");
+	/* allow some tolerance for test_delta_timeout value to avoid races. */
+	ASSERT_GT(skel->bss->test_delta_timeout, 8, "Test for min ct timeout update");
+	ASSERT_LE(skel->bss->test_delta_timeout, 10, "Test for max ct timeout update");
+	ASSERT_EQ(skel->bss->test_insert_lookup_mark, 77, "Test for insert and lookup mark value");
+	ASSERT_EQ(skel->bss->test_status, IPS_STATUS_MASK, "Test for ct status update ");
+	ASSERT_EQ(skel->data->test_exist_lookup, 0, "Test existing connection lookup");
+	ASSERT_EQ(skel->bss->test_exist_lookup_mark, 43, "Test existing connection lookup ctmark");
+	ASSERT_EQ(skel->data->test_snat_addr, 0, "Test for source natting");
+	ASSERT_EQ(skel->data->test_dnat_addr, 0, "Test for destination natting");
+end:
+	if (client_fd != -1)
+		close(client_fd);
+	if (srv_client_fd != -1)
+		close(srv_client_fd);
+	if (srv_fd != -1)
+		close(srv_fd);
+
+	snprintf(cmd, sizeof(cmd), iptables, "-D");
+	system(cmd);
+	test_bpf_nf__destroy(skel);
+}
+
+static void test_bpf_nf_ct_fail(const char *prog_name, const char *err_msg)
+{
+	LIBBPF_OPTS(bpf_object_open_opts, opts, .kernel_log_buf = log_buf,
+						.kernel_log_size = sizeof(log_buf),
+						.kernel_log_level = 1);
+	struct test_bpf_nf_fail *skel;
+	struct bpf_program *prog;
+	int ret;
+
+	skel = test_bpf_nf_fail__open_opts(&opts);
+	if (!ASSERT_OK_PTR(skel, "test_bpf_nf_fail__open"))
+		return;
+
+	prog = bpf_object__find_program_by_name(skel->obj, prog_name);
+	if (!ASSERT_OK_PTR(prog, "bpf_object__find_program_by_name"))
+		goto end;
+
+	bpf_program__set_autoload(prog, true);
+
+	ret = test_bpf_nf_fail__load(skel);
+	if (!ASSERT_ERR(ret, "test_bpf_nf_fail__load must fail"))
+		goto end;
+
+	if (!ASSERT_OK_PTR(strstr(log_buf, err_msg), "expected error message")) {
+		fprintf(stderr, "Expected: %s\n", err_msg);
+		fprintf(stderr, "Verifier: %s\n", log_buf);
+	}
+
+end:
+	test_bpf_nf_fail__destroy(skel);
+}
+
+void test_bpf_nf(void)
+{
+	int i;
+	if (test__start_subtest("xdp-ct"))
+		test_bpf_nf_ct(TEST_XDP);
+	if (test__start_subtest("tc-bpf-ct"))
+		test_bpf_nf_ct(TEST_TC_BPF);
+	for (i = 0; i < ARRAY_SIZE(test_bpf_nf_fail_tests); i++) {
+		if (test__start_subtest(test_bpf_nf_fail_tests[i].prog_name))
+			test_bpf_nf_ct_fail(test_bpf_nf_fail_tests[i].prog_name,
+					    test_bpf_nf_fail_tests[i].err_msg);
+	}
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/bpf_obj_id.c b/tools/testing/selftests/bpf/prog_tests/bpf_obj_id.c
new file mode 100644
index 000000000..e1c1e521c
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/bpf_obj_id.c
@@ -0,0 +1,345 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <test_progs.h>
+
+#define nr_iters 2
+
+void serial_test_bpf_obj_id(void)
+{
+	const __u64 array_magic_value = 0xfaceb00c;
+	const __u32 array_key = 0;
+	const char *file = "./test_obj_id.bpf.o";
+	const char *expected_prog_name = "test_obj_id";
+	const char *expected_map_name = "test_map_id";
+	const __u64 nsec_per_sec = 1000000000;
+
+	struct bpf_object *objs[nr_iters] = {};
+	struct bpf_link *links[nr_iters] = {};
+	struct bpf_program *prog;
+	int prog_fds[nr_iters], map_fds[nr_iters];
+	/* +1 to test for the info_len returned by kernel */
+	struct bpf_prog_info prog_infos[nr_iters + 1];
+	struct bpf_map_info map_infos[nr_iters + 1];
+	struct bpf_link_info link_infos[nr_iters + 1];
+	/* Each prog only uses one map. +1 to test nr_map_ids
+	 * returned by kernel.
+	 */
+	__u32 map_ids[nr_iters + 1];
+	char jited_insns[128], xlated_insns[128], zeros[128], tp_name[128];
+	__u32 i, next_id, info_len, nr_id_found, duration = 0;
+	struct timespec real_time_ts, boot_time_ts;
+	int err = 0;
+	__u64 array_value;
+	uid_t my_uid = getuid();
+	time_t now, load_time;
+
+	err = bpf_prog_get_fd_by_id(0);
+	CHECK(err >= 0 || errno != ENOENT,
+	      "get-fd-by-notexist-prog-id", "err %d errno %d\n", err, errno);
+
+	err = bpf_map_get_fd_by_id(0);
+	CHECK(err >= 0 || errno != ENOENT,
+	      "get-fd-by-notexist-map-id", "err %d errno %d\n", err, errno);
+
+	err = bpf_link_get_fd_by_id(0);
+	CHECK(err >= 0 || errno != ENOENT,
+	      "get-fd-by-notexist-link-id", "err %d errno %d\n", err, errno);
+
+	/* Check bpf_obj_get_info_by_fd() */
+	bzero(zeros, sizeof(zeros));
+	for (i = 0; i < nr_iters; i++) {
+		now = time(NULL);
+		err = bpf_prog_test_load(file, BPF_PROG_TYPE_RAW_TRACEPOINT,
+				    &objs[i], &prog_fds[i]);
+		/* test_obj_id.o is a dumb prog. It should never fail
+		 * to load.
+		 */
+		if (CHECK_FAIL(err))
+			continue;
+
+		/* Insert a magic value to the map */
+		map_fds[i] = bpf_find_map(__func__, objs[i], "test_map_id");
+		if (CHECK_FAIL(map_fds[i] < 0))
+			goto done;
+		err = bpf_map_update_elem(map_fds[i], &array_key,
+					  &array_magic_value, 0);
+		if (CHECK_FAIL(err))
+			goto done;
+
+		prog = bpf_object__find_program_by_name(objs[i],
+							"test_obj_id");
+		if (CHECK_FAIL(!prog))
+			goto done;
+		links[i] = bpf_program__attach(prog);
+		err = libbpf_get_error(links[i]);
+		if (CHECK(err, "prog_attach", "prog #%d, err %d\n", i, err)) {
+			links[i] = NULL;
+			goto done;
+		}
+
+		/* Check getting map info */
+		info_len = sizeof(struct bpf_map_info) * 2;
+		bzero(&map_infos[i], info_len);
+		err = bpf_obj_get_info_by_fd(map_fds[i], &map_infos[i],
+					     &info_len);
+		if (CHECK(err ||
+			  map_infos[i].type != BPF_MAP_TYPE_ARRAY ||
+			  map_infos[i].key_size != sizeof(__u32) ||
+			  map_infos[i].value_size != sizeof(__u64) ||
+			  map_infos[i].max_entries != 1 ||
+			  map_infos[i].map_flags != 0 ||
+			  info_len != sizeof(struct bpf_map_info) ||
+			  strcmp((char *)map_infos[i].name, expected_map_name),
+			  "get-map-info(fd)",
+			  "err %d errno %d type %d(%d) info_len %u(%zu) key_size %u value_size %u max_entries %u map_flags %X name %s(%s)\n",
+			  err, errno,
+			  map_infos[i].type, BPF_MAP_TYPE_ARRAY,
+			  info_len, sizeof(struct bpf_map_info),
+			  map_infos[i].key_size,
+			  map_infos[i].value_size,
+			  map_infos[i].max_entries,
+			  map_infos[i].map_flags,
+			  map_infos[i].name, expected_map_name))
+			goto done;
+
+		/* Check getting prog info */
+		info_len = sizeof(struct bpf_prog_info) * 2;
+		bzero(&prog_infos[i], info_len);
+		bzero(jited_insns, sizeof(jited_insns));
+		bzero(xlated_insns, sizeof(xlated_insns));
+		prog_infos[i].jited_prog_insns = ptr_to_u64(jited_insns);
+		prog_infos[i].jited_prog_len = sizeof(jited_insns);
+		prog_infos[i].xlated_prog_insns = ptr_to_u64(xlated_insns);
+		prog_infos[i].xlated_prog_len = sizeof(xlated_insns);
+		prog_infos[i].map_ids = ptr_to_u64(map_ids + i);
+		prog_infos[i].nr_map_ids = 2;
+		err = clock_gettime(CLOCK_REALTIME, &real_time_ts);
+		if (CHECK_FAIL(err))
+			goto done;
+		err = clock_gettime(CLOCK_BOOTTIME, &boot_time_ts);
+		if (CHECK_FAIL(err))
+			goto done;
+		err = bpf_obj_get_info_by_fd(prog_fds[i], &prog_infos[i],
+					     &info_len);
+		load_time = (real_time_ts.tv_sec - boot_time_ts.tv_sec)
+			+ (prog_infos[i].load_time / nsec_per_sec);
+		if (CHECK(err ||
+			  prog_infos[i].type != BPF_PROG_TYPE_RAW_TRACEPOINT ||
+			  info_len != sizeof(struct bpf_prog_info) ||
+			  (env.jit_enabled && !prog_infos[i].jited_prog_len) ||
+			  (env.jit_enabled &&
+			   !memcmp(jited_insns, zeros, sizeof(zeros))) ||
+			  !prog_infos[i].xlated_prog_len ||
+			  !memcmp(xlated_insns, zeros, sizeof(zeros)) ||
+			  load_time < now - 60 || load_time > now + 60 ||
+			  prog_infos[i].created_by_uid != my_uid ||
+			  prog_infos[i].nr_map_ids != 1 ||
+			  *(int *)(long)prog_infos[i].map_ids != map_infos[i].id ||
+			  strcmp((char *)prog_infos[i].name, expected_prog_name),
+			  "get-prog-info(fd)",
+			  "err %d errno %d i %d type %d(%d) info_len %u(%zu) "
+			  "jit_enabled %d jited_prog_len %u xlated_prog_len %u "
+			  "jited_prog %d xlated_prog %d load_time %lu(%lu) "
+			  "uid %u(%u) nr_map_ids %u(%u) map_id %u(%u) "
+			  "name %s(%s)\n",
+			  err, errno, i,
+			  prog_infos[i].type, BPF_PROG_TYPE_SOCKET_FILTER,
+			  info_len, sizeof(struct bpf_prog_info),
+			  env.jit_enabled,
+			  prog_infos[i].jited_prog_len,
+			  prog_infos[i].xlated_prog_len,
+			  !!memcmp(jited_insns, zeros, sizeof(zeros)),
+			  !!memcmp(xlated_insns, zeros, sizeof(zeros)),
+			  load_time, now,
+			  prog_infos[i].created_by_uid, my_uid,
+			  prog_infos[i].nr_map_ids, 1,
+			  *(int *)(long)prog_infos[i].map_ids, map_infos[i].id,
+			  prog_infos[i].name, expected_prog_name))
+			goto done;
+
+		/* Check getting link info */
+		info_len = sizeof(struct bpf_link_info) * 2;
+		bzero(&link_infos[i], info_len);
+		link_infos[i].raw_tracepoint.tp_name = ptr_to_u64(&tp_name);
+		link_infos[i].raw_tracepoint.tp_name_len = sizeof(tp_name);
+		err = bpf_obj_get_info_by_fd(bpf_link__fd(links[i]),
+					     &link_infos[i], &info_len);
+		if (CHECK(err ||
+			  link_infos[i].type != BPF_LINK_TYPE_RAW_TRACEPOINT ||
+			  link_infos[i].prog_id != prog_infos[i].id ||
+			  link_infos[i].raw_tracepoint.tp_name != ptr_to_u64(&tp_name) ||
+			  strcmp(u64_to_ptr(link_infos[i].raw_tracepoint.tp_name),
+				 "sys_enter") ||
+			  info_len != sizeof(struct bpf_link_info),
+			  "get-link-info(fd)",
+			  "err %d errno %d info_len %u(%zu) type %d(%d) id %d "
+			  "prog_id %d (%d) tp_name %s(%s)\n",
+			  err, errno,
+			  info_len, sizeof(struct bpf_link_info),
+			  link_infos[i].type, BPF_LINK_TYPE_RAW_TRACEPOINT,
+			  link_infos[i].id,
+			  link_infos[i].prog_id, prog_infos[i].id,
+			  (const char *)u64_to_ptr(link_infos[i].raw_tracepoint.tp_name),
+			  "sys_enter"))
+			goto done;
+
+	}
+
+	/* Check bpf_prog_get_next_id() */
+	nr_id_found = 0;
+	next_id = 0;
+	while (!bpf_prog_get_next_id(next_id, &next_id)) {
+		struct bpf_prog_info prog_info = {};
+		__u32 saved_map_id;
+		int prog_fd;
+
+		info_len = sizeof(prog_info);
+
+		prog_fd = bpf_prog_get_fd_by_id(next_id);
+		if (prog_fd < 0 && errno == ENOENT)
+			/* The bpf_prog is in the dead row */
+			continue;
+		if (CHECK(prog_fd < 0, "get-prog-fd(next_id)",
+			  "prog_fd %d next_id %d errno %d\n",
+			  prog_fd, next_id, errno))
+			break;
+
+		for (i = 0; i < nr_iters; i++)
+			if (prog_infos[i].id == next_id)
+				break;
+
+		if (i == nr_iters)
+			continue;
+
+		nr_id_found++;
+
+		/* Negative test:
+		 * prog_info.nr_map_ids = 1
+		 * prog_info.map_ids = NULL
+		 */
+		prog_info.nr_map_ids = 1;
+		err = bpf_obj_get_info_by_fd(prog_fd, &prog_info, &info_len);
+		if (CHECK(!err || errno != EFAULT,
+			  "get-prog-fd-bad-nr-map-ids", "err %d errno %d(%d)",
+			  err, errno, EFAULT))
+			break;
+		bzero(&prog_info, sizeof(prog_info));
+		info_len = sizeof(prog_info);
+
+		saved_map_id = *(int *)((long)prog_infos[i].map_ids);
+		prog_info.map_ids = prog_infos[i].map_ids;
+		prog_info.nr_map_ids = 2;
+		err = bpf_obj_get_info_by_fd(prog_fd, &prog_info, &info_len);
+		prog_infos[i].jited_prog_insns = 0;
+		prog_infos[i].xlated_prog_insns = 0;
+		CHECK(err || info_len != sizeof(struct bpf_prog_info) ||
+		      memcmp(&prog_info, &prog_infos[i], info_len) ||
+		      *(int *)(long)prog_info.map_ids != saved_map_id,
+		      "get-prog-info(next_id->fd)",
+		      "err %d errno %d info_len %u(%zu) memcmp %d map_id %u(%u)\n",
+		      err, errno, info_len, sizeof(struct bpf_prog_info),
+		      memcmp(&prog_info, &prog_infos[i], info_len),
+		      *(int *)(long)prog_info.map_ids, saved_map_id);
+		close(prog_fd);
+	}
+	CHECK(nr_id_found != nr_iters,
+	      "check total prog id found by get_next_id",
+	      "nr_id_found %u(%u)\n",
+	      nr_id_found, nr_iters);
+
+	/* Check bpf_map_get_next_id() */
+	nr_id_found = 0;
+	next_id = 0;
+	while (!bpf_map_get_next_id(next_id, &next_id)) {
+		struct bpf_map_info map_info = {};
+		int map_fd;
+
+		info_len = sizeof(map_info);
+
+		map_fd = bpf_map_get_fd_by_id(next_id);
+		if (map_fd < 0 && errno == ENOENT)
+			/* The bpf_map is in the dead row */
+			continue;
+		if (CHECK(map_fd < 0, "get-map-fd(next_id)",
+			  "map_fd %d next_id %u errno %d\n",
+			  map_fd, next_id, errno))
+			break;
+
+		for (i = 0; i < nr_iters; i++)
+			if (map_infos[i].id == next_id)
+				break;
+
+		if (i == nr_iters)
+			continue;
+
+		nr_id_found++;
+
+		err = bpf_map_lookup_elem(map_fd, &array_key, &array_value);
+		if (CHECK_FAIL(err))
+			goto done;
+
+		err = bpf_obj_get_info_by_fd(map_fd, &map_info, &info_len);
+		CHECK(err || info_len != sizeof(struct bpf_map_info) ||
+		      memcmp(&map_info, &map_infos[i], info_len) ||
+		      array_value != array_magic_value,
+		      "check get-map-info(next_id->fd)",
+		      "err %d errno %d info_len %u(%zu) memcmp %d array_value %llu(%llu)\n",
+		      err, errno, info_len, sizeof(struct bpf_map_info),
+		      memcmp(&map_info, &map_infos[i], info_len),
+		      array_value, array_magic_value);
+
+		close(map_fd);
+	}
+	CHECK(nr_id_found != nr_iters,
+	      "check total map id found by get_next_id",
+	      "nr_id_found %u(%u)\n",
+	      nr_id_found, nr_iters);
+
+	/* Check bpf_link_get_next_id() */
+	nr_id_found = 0;
+	next_id = 0;
+	while (!bpf_link_get_next_id(next_id, &next_id)) {
+		struct bpf_link_info link_info;
+		int link_fd, cmp_res;
+
+		info_len = sizeof(link_info);
+		memset(&link_info, 0, info_len);
+
+		link_fd = bpf_link_get_fd_by_id(next_id);
+		if (link_fd < 0 && errno == ENOENT)
+			/* The bpf_link is in the dead row */
+			continue;
+		if (CHECK(link_fd < 0, "get-link-fd(next_id)",
+			  "link_fd %d next_id %u errno %d\n",
+			  link_fd, next_id, errno))
+			break;
+
+		for (i = 0; i < nr_iters; i++)
+			if (link_infos[i].id == next_id)
+				break;
+
+		if (i == nr_iters)
+			continue;
+
+		nr_id_found++;
+
+		err = bpf_obj_get_info_by_fd(link_fd, &link_info, &info_len);
+		cmp_res = memcmp(&link_info, &link_infos[i],
+				offsetof(struct bpf_link_info, raw_tracepoint));
+		CHECK(err || info_len != sizeof(link_info) || cmp_res,
+		      "check get-link-info(next_id->fd)",
+		      "err %d errno %d info_len %u(%zu) memcmp %d\n",
+		      err, errno, info_len, sizeof(struct bpf_link_info),
+		      cmp_res);
+
+		close(link_fd);
+	}
+	CHECK(nr_id_found != nr_iters,
+	      "check total link id found by get_next_id",
+	      "nr_id_found %u(%u)\n", nr_id_found, nr_iters);
+
+done:
+	for (i = 0; i < nr_iters; i++) {
+		bpf_link__destroy(links[i]);
+		bpf_object__close(objs[i]);
+	}
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/bpf_tcp_ca.c b/tools/testing/selftests/bpf/prog_tests/bpf_tcp_ca.c
new file mode 100644
index 000000000..e980188d4
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/bpf_tcp_ca.c
@@ -0,0 +1,402 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2019 Facebook */
+
+#include <linux/err.h>
+#include <netinet/tcp.h>
+#include <test_progs.h>
+#include "network_helpers.h"
+#include "bpf_dctcp.skel.h"
+#include "bpf_cubic.skel.h"
+#include "bpf_tcp_nogpl.skel.h"
+#include "bpf_dctcp_release.skel.h"
+#include "tcp_ca_write_sk_pacing.skel.h"
+#include "tcp_ca_incompl_cong_ops.skel.h"
+#include "tcp_ca_unsupp_cong_op.skel.h"
+
+#ifndef ENOTSUPP
+#define ENOTSUPP 524
+#endif
+
+static const unsigned int total_bytes = 10 * 1024 * 1024;
+static int expected_stg = 0xeB9F;
+static int stop, duration;
+
+static int settcpca(int fd, const char *tcp_ca)
+{
+	int err;
+
+	err = setsockopt(fd, IPPROTO_TCP, TCP_CONGESTION, tcp_ca, strlen(tcp_ca));
+	if (CHECK(err == -1, "setsockopt(fd, TCP_CONGESTION)", "errno:%d\n",
+		  errno))
+		return -1;
+
+	return 0;
+}
+
+static void *server(void *arg)
+{
+	int lfd = (int)(long)arg, err = 0, fd;
+	ssize_t nr_sent = 0, bytes = 0;
+	char batch[1500];
+
+	fd = accept(lfd, NULL, NULL);
+	while (fd == -1) {
+		if (errno == EINTR)
+			continue;
+		err = -errno;
+		goto done;
+	}
+
+	if (settimeo(fd, 0)) {
+		err = -errno;
+		goto done;
+	}
+
+	while (bytes < total_bytes && !READ_ONCE(stop)) {
+		nr_sent = send(fd, &batch,
+			       MIN(total_bytes - bytes, sizeof(batch)), 0);
+		if (nr_sent == -1 && errno == EINTR)
+			continue;
+		if (nr_sent == -1) {
+			err = -errno;
+			break;
+		}
+		bytes += nr_sent;
+	}
+
+	CHECK(bytes != total_bytes, "send", "%zd != %u nr_sent:%zd errno:%d\n",
+	      bytes, total_bytes, nr_sent, errno);
+
+done:
+	if (fd >= 0)
+		close(fd);
+	if (err) {
+		WRITE_ONCE(stop, 1);
+		return ERR_PTR(err);
+	}
+	return NULL;
+}
+
+static void do_test(const char *tcp_ca, const struct bpf_map *sk_stg_map)
+{
+	struct sockaddr_in6 sa6 = {};
+	ssize_t nr_recv = 0, bytes = 0;
+	int lfd = -1, fd = -1;
+	pthread_t srv_thread;
+	socklen_t addrlen = sizeof(sa6);
+	void *thread_ret;
+	char batch[1500];
+	int err;
+
+	WRITE_ONCE(stop, 0);
+
+	lfd = socket(AF_INET6, SOCK_STREAM, 0);
+	if (CHECK(lfd == -1, "socket", "errno:%d\n", errno))
+		return;
+	fd = socket(AF_INET6, SOCK_STREAM, 0);
+	if (CHECK(fd == -1, "socket", "errno:%d\n", errno)) {
+		close(lfd);
+		return;
+	}
+
+	if (settcpca(lfd, tcp_ca) || settcpca(fd, tcp_ca) ||
+	    settimeo(lfd, 0) || settimeo(fd, 0))
+		goto done;
+
+	/* bind, listen and start server thread to accept */
+	sa6.sin6_family = AF_INET6;
+	sa6.sin6_addr = in6addr_loopback;
+	err = bind(lfd, (struct sockaddr *)&sa6, addrlen);
+	if (CHECK(err == -1, "bind", "errno:%d\n", errno))
+		goto done;
+	err = getsockname(lfd, (struct sockaddr *)&sa6, &addrlen);
+	if (CHECK(err == -1, "getsockname", "errno:%d\n", errno))
+		goto done;
+	err = listen(lfd, 1);
+	if (CHECK(err == -1, "listen", "errno:%d\n", errno))
+		goto done;
+
+	if (sk_stg_map) {
+		err = bpf_map_update_elem(bpf_map__fd(sk_stg_map), &fd,
+					  &expected_stg, BPF_NOEXIST);
+		if (CHECK(err, "bpf_map_update_elem(sk_stg_map)",
+			  "err:%d errno:%d\n", err, errno))
+			goto done;
+	}
+
+	/* connect to server */
+	err = connect(fd, (struct sockaddr *)&sa6, addrlen);
+	if (CHECK(err == -1, "connect", "errno:%d\n", errno))
+		goto done;
+
+	if (sk_stg_map) {
+		int tmp_stg;
+
+		err = bpf_map_lookup_elem(bpf_map__fd(sk_stg_map), &fd,
+					  &tmp_stg);
+		if (CHECK(!err || errno != ENOENT,
+			  "bpf_map_lookup_elem(sk_stg_map)",
+			  "err:%d errno:%d\n", err, errno))
+			goto done;
+	}
+
+	err = pthread_create(&srv_thread, NULL, server, (void *)(long)lfd);
+	if (CHECK(err != 0, "pthread_create", "err:%d errno:%d\n", err, errno))
+		goto done;
+
+	/* recv total_bytes */
+	while (bytes < total_bytes && !READ_ONCE(stop)) {
+		nr_recv = recv(fd, &batch,
+			       MIN(total_bytes - bytes, sizeof(batch)), 0);
+		if (nr_recv == -1 && errno == EINTR)
+			continue;
+		if (nr_recv == -1)
+			break;
+		bytes += nr_recv;
+	}
+
+	CHECK(bytes != total_bytes, "recv", "%zd != %u nr_recv:%zd errno:%d\n",
+	      bytes, total_bytes, nr_recv, errno);
+
+	WRITE_ONCE(stop, 1);
+	pthread_join(srv_thread, &thread_ret);
+	CHECK(IS_ERR(thread_ret), "pthread_join", "thread_ret:%ld",
+	      PTR_ERR(thread_ret));
+done:
+	close(lfd);
+	close(fd);
+}
+
+static void test_cubic(void)
+{
+	struct bpf_cubic *cubic_skel;
+	struct bpf_link *link;
+
+	cubic_skel = bpf_cubic__open_and_load();
+	if (CHECK(!cubic_skel, "bpf_cubic__open_and_load", "failed\n"))
+		return;
+
+	link = bpf_map__attach_struct_ops(cubic_skel->maps.cubic);
+	if (!ASSERT_OK_PTR(link, "bpf_map__attach_struct_ops")) {
+		bpf_cubic__destroy(cubic_skel);
+		return;
+	}
+
+	do_test("bpf_cubic", NULL);
+
+	bpf_link__destroy(link);
+	bpf_cubic__destroy(cubic_skel);
+}
+
+static void test_dctcp(void)
+{
+	struct bpf_dctcp *dctcp_skel;
+	struct bpf_link *link;
+
+	dctcp_skel = bpf_dctcp__open_and_load();
+	if (CHECK(!dctcp_skel, "bpf_dctcp__open_and_load", "failed\n"))
+		return;
+
+	link = bpf_map__attach_struct_ops(dctcp_skel->maps.dctcp);
+	if (!ASSERT_OK_PTR(link, "bpf_map__attach_struct_ops")) {
+		bpf_dctcp__destroy(dctcp_skel);
+		return;
+	}
+
+	do_test("bpf_dctcp", dctcp_skel->maps.sk_stg_map);
+	CHECK(dctcp_skel->bss->stg_result != expected_stg,
+	      "Unexpected stg_result", "stg_result (%x) != expected_stg (%x)\n",
+	      dctcp_skel->bss->stg_result, expected_stg);
+
+	bpf_link__destroy(link);
+	bpf_dctcp__destroy(dctcp_skel);
+}
+
+static char *err_str;
+static bool found;
+
+static int libbpf_debug_print(enum libbpf_print_level level,
+			      const char *format, va_list args)
+{
+	const char *prog_name, *log_buf;
+
+	if (level != LIBBPF_WARN ||
+	    !strstr(format, "-- BEGIN PROG LOAD LOG --")) {
+		vprintf(format, args);
+		return 0;
+	}
+
+	prog_name = va_arg(args, char *);
+	log_buf = va_arg(args, char *);
+	if (!log_buf)
+		goto out;
+	if (err_str && strstr(log_buf, err_str) != NULL)
+		found = true;
+out:
+	printf(format, prog_name, log_buf);
+	return 0;
+}
+
+static void test_invalid_license(void)
+{
+	libbpf_print_fn_t old_print_fn;
+	struct bpf_tcp_nogpl *skel;
+
+	err_str = "struct ops programs must have a GPL compatible license";
+	found = false;
+	old_print_fn = libbpf_set_print(libbpf_debug_print);
+
+	skel = bpf_tcp_nogpl__open_and_load();
+	ASSERT_NULL(skel, "bpf_tcp_nogpl");
+	ASSERT_EQ(found, true, "expected_err_msg");
+
+	bpf_tcp_nogpl__destroy(skel);
+	libbpf_set_print(old_print_fn);
+}
+
+static void test_dctcp_fallback(void)
+{
+	int err, lfd = -1, cli_fd = -1, srv_fd = -1;
+	struct network_helper_opts opts = {
+		.cc = "cubic",
+	};
+	struct bpf_dctcp *dctcp_skel;
+	struct bpf_link *link = NULL;
+	char srv_cc[16];
+	socklen_t cc_len = sizeof(srv_cc);
+
+	dctcp_skel = bpf_dctcp__open();
+	if (!ASSERT_OK_PTR(dctcp_skel, "dctcp_skel"))
+		return;
+	strcpy(dctcp_skel->rodata->fallback, "cubic");
+	if (!ASSERT_OK(bpf_dctcp__load(dctcp_skel), "bpf_dctcp__load"))
+		goto done;
+
+	link = bpf_map__attach_struct_ops(dctcp_skel->maps.dctcp);
+	if (!ASSERT_OK_PTR(link, "dctcp link"))
+		goto done;
+
+	lfd = start_server(AF_INET6, SOCK_STREAM, "::1", 0, 0);
+	if (!ASSERT_GE(lfd, 0, "lfd") ||
+	    !ASSERT_OK(settcpca(lfd, "bpf_dctcp"), "lfd=>bpf_dctcp"))
+		goto done;
+
+	cli_fd = connect_to_fd_opts(lfd, &opts);
+	if (!ASSERT_GE(cli_fd, 0, "cli_fd"))
+		goto done;
+
+	srv_fd = accept(lfd, NULL, 0);
+	if (!ASSERT_GE(srv_fd, 0, "srv_fd"))
+		goto done;
+	ASSERT_STREQ(dctcp_skel->bss->cc_res, "cubic", "cc_res");
+	ASSERT_EQ(dctcp_skel->bss->tcp_cdg_res, -ENOTSUPP, "tcp_cdg_res");
+	/* All setsockopt(TCP_CONGESTION) in the recurred
+	 * bpf_dctcp->init() should fail with -EBUSY.
+	 */
+	ASSERT_EQ(dctcp_skel->bss->ebusy_cnt, 3, "ebusy_cnt");
+
+	err = getsockopt(srv_fd, SOL_TCP, TCP_CONGESTION, srv_cc, &cc_len);
+	if (!ASSERT_OK(err, "getsockopt(srv_fd, TCP_CONGESTION)"))
+		goto done;
+	ASSERT_STREQ(srv_cc, "cubic", "srv_fd cc");
+
+done:
+	bpf_link__destroy(link);
+	bpf_dctcp__destroy(dctcp_skel);
+	if (lfd != -1)
+		close(lfd);
+	if (srv_fd != -1)
+		close(srv_fd);
+	if (cli_fd != -1)
+		close(cli_fd);
+}
+
+static void test_rel_setsockopt(void)
+{
+	struct bpf_dctcp_release *rel_skel;
+	libbpf_print_fn_t old_print_fn;
+
+	err_str = "unknown func bpf_setsockopt";
+	found = false;
+
+	old_print_fn = libbpf_set_print(libbpf_debug_print);
+	rel_skel = bpf_dctcp_release__open_and_load();
+	libbpf_set_print(old_print_fn);
+
+	ASSERT_ERR_PTR(rel_skel, "rel_skel");
+	ASSERT_TRUE(found, "expected_err_msg");
+
+	bpf_dctcp_release__destroy(rel_skel);
+}
+
+static void test_write_sk_pacing(void)
+{
+	struct tcp_ca_write_sk_pacing *skel;
+	struct bpf_link *link;
+
+	skel = tcp_ca_write_sk_pacing__open_and_load();
+	if (!ASSERT_OK_PTR(skel, "open_and_load"))
+		return;
+
+	link = bpf_map__attach_struct_ops(skel->maps.write_sk_pacing);
+	ASSERT_OK_PTR(link, "attach_struct_ops");
+
+	bpf_link__destroy(link);
+	tcp_ca_write_sk_pacing__destroy(skel);
+}
+
+static void test_incompl_cong_ops(void)
+{
+	struct tcp_ca_incompl_cong_ops *skel;
+	struct bpf_link *link;
+
+	skel = tcp_ca_incompl_cong_ops__open_and_load();
+	if (!ASSERT_OK_PTR(skel, "open_and_load"))
+		return;
+
+	/* That cong_avoid() and cong_control() are missing is only reported at
+	 * this point:
+	 */
+	link = bpf_map__attach_struct_ops(skel->maps.incompl_cong_ops);
+	ASSERT_ERR_PTR(link, "attach_struct_ops");
+
+	bpf_link__destroy(link);
+	tcp_ca_incompl_cong_ops__destroy(skel);
+}
+
+static void test_unsupp_cong_op(void)
+{
+	libbpf_print_fn_t old_print_fn;
+	struct tcp_ca_unsupp_cong_op *skel;
+
+	err_str = "attach to unsupported member get_info";
+	found = false;
+	old_print_fn = libbpf_set_print(libbpf_debug_print);
+
+	skel = tcp_ca_unsupp_cong_op__open_and_load();
+	ASSERT_NULL(skel, "open_and_load");
+	ASSERT_EQ(found, true, "expected_err_msg");
+
+	tcp_ca_unsupp_cong_op__destroy(skel);
+	libbpf_set_print(old_print_fn);
+}
+
+void test_bpf_tcp_ca(void)
+{
+	if (test__start_subtest("dctcp"))
+		test_dctcp();
+	if (test__start_subtest("cubic"))
+		test_cubic();
+	if (test__start_subtest("invalid_license"))
+		test_invalid_license();
+	if (test__start_subtest("dctcp_fallback"))
+		test_dctcp_fallback();
+	if (test__start_subtest("rel_setsockopt"))
+		test_rel_setsockopt();
+	if (test__start_subtest("write_sk_pacing"))
+		test_write_sk_pacing();
+	if (test__start_subtest("incompl_cong_ops"))
+		test_incompl_cong_ops();
+	if (test__start_subtest("unsupp_cong_op"))
+		test_unsupp_cong_op();
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/bpf_verif_scale.c b/tools/testing/selftests/bpf/prog_tests/bpf_verif_scale.c
new file mode 100644
index 000000000..5ca252823
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/bpf_verif_scale.c
@@ -0,0 +1,233 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (c) 2019 Facebook
+#include <test_progs.h>
+static int libbpf_debug_print(enum libbpf_print_level level,
+			      const char *format, va_list args)
+{
+	if (level != LIBBPF_DEBUG) {
+		vprintf(format, args);
+		return 0;
+	}
+
+	if (!strstr(format, "verifier log"))
+		return 0;
+	vprintf("%s", args);
+	return 0;
+}
+
+extern int extra_prog_load_log_flags;
+
+static int check_load(const char *file, enum bpf_prog_type type)
+{
+	struct bpf_object *obj = NULL;
+	struct bpf_program *prog;
+	int err;
+
+	obj = bpf_object__open_file(file, NULL);
+	err = libbpf_get_error(obj);
+	if (err)
+		return err;
+
+	prog = bpf_object__next_program(obj, NULL);
+	if (!prog) {
+		err = -ENOENT;
+		goto err_out;
+	}
+
+	bpf_program__set_type(prog, type);
+	bpf_program__set_flags(prog, BPF_F_TEST_RND_HI32);
+	bpf_program__set_log_level(prog, 4 | extra_prog_load_log_flags);
+
+	err = bpf_object__load(obj);
+
+err_out:
+	bpf_object__close(obj);
+	return err;
+}
+
+struct scale_test_def {
+	const char *file;
+	enum bpf_prog_type attach_type;
+	bool fails;
+};
+
+static void scale_test(const char *file,
+		       enum bpf_prog_type attach_type,
+		       bool should_fail)
+{
+	libbpf_print_fn_t old_print_fn = NULL;
+	int err;
+
+	if (env.verifier_stats) {
+		test__force_log();
+		old_print_fn = libbpf_set_print(libbpf_debug_print);
+	}
+
+	err = check_load(file, attach_type);
+	if (should_fail)
+		ASSERT_ERR(err, "expect_error");
+	else
+		ASSERT_OK(err, "expect_success");
+
+	if (env.verifier_stats)
+		libbpf_set_print(old_print_fn);
+}
+
+void test_verif_scale1()
+{
+	scale_test("test_verif_scale1.bpf.o", BPF_PROG_TYPE_SCHED_CLS, false);
+}
+
+void test_verif_scale2()
+{
+	scale_test("test_verif_scale2.bpf.o", BPF_PROG_TYPE_SCHED_CLS, false);
+}
+
+void test_verif_scale3()
+{
+	scale_test("test_verif_scale3.bpf.o", BPF_PROG_TYPE_SCHED_CLS, false);
+}
+
+void test_verif_scale_pyperf_global()
+{
+	scale_test("pyperf_global.bpf.o", BPF_PROG_TYPE_RAW_TRACEPOINT, false);
+}
+
+void test_verif_scale_pyperf_subprogs()
+{
+	scale_test("pyperf_subprogs.bpf.o", BPF_PROG_TYPE_RAW_TRACEPOINT, false);
+}
+
+void test_verif_scale_pyperf50()
+{
+	/* full unroll by llvm */
+	scale_test("pyperf50.bpf.o", BPF_PROG_TYPE_RAW_TRACEPOINT, false);
+}
+
+void test_verif_scale_pyperf100()
+{
+	/* full unroll by llvm */
+	scale_test("pyperf100.bpf.o", BPF_PROG_TYPE_RAW_TRACEPOINT, false);
+}
+
+void test_verif_scale_pyperf180()
+{
+	/* full unroll by llvm */
+	scale_test("pyperf180.bpf.o", BPF_PROG_TYPE_RAW_TRACEPOINT, false);
+}
+
+void test_verif_scale_pyperf600()
+{
+	/* partial unroll. llvm will unroll loop ~150 times.
+	 * C loop count -> 600.
+	 * Asm loop count -> 4.
+	 * 16k insns in loop body.
+	 * Total of 5 such loops. Total program size ~82k insns.
+	 */
+	scale_test("pyperf600.bpf.o", BPF_PROG_TYPE_RAW_TRACEPOINT, false);
+}
+
+void test_verif_scale_pyperf600_bpf_loop(void)
+{
+	/* use the bpf_loop helper*/
+	scale_test("pyperf600_bpf_loop.bpf.o", BPF_PROG_TYPE_RAW_TRACEPOINT, false);
+}
+
+void test_verif_scale_pyperf600_nounroll()
+{
+	/* no unroll at all.
+	 * C loop count -> 600.
+	 * ASM loop count -> 600.
+	 * ~110 insns in loop body.
+	 * Total of 5 such loops. Total program size ~1500 insns.
+	 */
+	scale_test("pyperf600_nounroll.bpf.o", BPF_PROG_TYPE_RAW_TRACEPOINT, false);
+}
+
+void test_verif_scale_loop1()
+{
+	scale_test("loop1.bpf.o", BPF_PROG_TYPE_RAW_TRACEPOINT, false);
+}
+
+void test_verif_scale_loop2()
+{
+	scale_test("loop2.bpf.o", BPF_PROG_TYPE_RAW_TRACEPOINT, false);
+}
+
+void test_verif_scale_loop3_fail()
+{
+	scale_test("loop3.bpf.o", BPF_PROG_TYPE_RAW_TRACEPOINT, true /* fails */);
+}
+
+void test_verif_scale_loop4()
+{
+	scale_test("loop4.bpf.o", BPF_PROG_TYPE_SCHED_CLS, false);
+}
+
+void test_verif_scale_loop5()
+{
+	scale_test("loop5.bpf.o", BPF_PROG_TYPE_SCHED_CLS, false);
+}
+
+void test_verif_scale_loop6()
+{
+	scale_test("loop6.bpf.o", BPF_PROG_TYPE_KPROBE, false);
+}
+
+void test_verif_scale_strobemeta()
+{
+	/* partial unroll. 19k insn in a loop.
+	 * Total program size 20.8k insn.
+	 * ~350k processed_insns
+	 */
+	scale_test("strobemeta.bpf.o", BPF_PROG_TYPE_RAW_TRACEPOINT, false);
+}
+
+void test_verif_scale_strobemeta_bpf_loop(void)
+{
+	/* use the bpf_loop helper*/
+	scale_test("strobemeta_bpf_loop.bpf.o", BPF_PROG_TYPE_RAW_TRACEPOINT, false);
+}
+
+void test_verif_scale_strobemeta_nounroll1()
+{
+	/* no unroll, tiny loops */
+	scale_test("strobemeta_nounroll1.bpf.o", BPF_PROG_TYPE_RAW_TRACEPOINT, false);
+}
+
+void test_verif_scale_strobemeta_nounroll2()
+{
+	/* no unroll, tiny loops */
+	scale_test("strobemeta_nounroll2.bpf.o", BPF_PROG_TYPE_RAW_TRACEPOINT, false);
+}
+
+void test_verif_scale_strobemeta_subprogs()
+{
+	/* non-inlined subprogs */
+	scale_test("strobemeta_subprogs.bpf.o", BPF_PROG_TYPE_RAW_TRACEPOINT, false);
+}
+
+void test_verif_scale_sysctl_loop1()
+{
+	scale_test("test_sysctl_loop1.bpf.o", BPF_PROG_TYPE_CGROUP_SYSCTL, false);
+}
+
+void test_verif_scale_sysctl_loop2()
+{
+	scale_test("test_sysctl_loop2.bpf.o", BPF_PROG_TYPE_CGROUP_SYSCTL, false);
+}
+
+void test_verif_scale_xdp_loop()
+{
+	scale_test("test_xdp_loop.bpf.o", BPF_PROG_TYPE_XDP, false);
+}
+
+void test_verif_scale_seg6_loop()
+{
+	scale_test("test_seg6_loop.bpf.o", BPF_PROG_TYPE_LWT_SEG6LOCAL, false);
+}
+
+void test_verif_twfw()
+{
+	scale_test("twfw.bpf.o", BPF_PROG_TYPE_CGROUP_SKB, false);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/btf.c b/tools/testing/selftests/bpf/prog_tests/btf.c
new file mode 100644
index 000000000..d711f4bea
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/btf.c
@@ -0,0 +1,7873 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* Copyright (c) 2018 Facebook */
+
+#include <linux/bpf.h>
+#include <linux/btf.h>
+#include <linux/err.h>
+#include <linux/kernel.h>
+#include <linux/filter.h>
+#include <linux/unistd.h>
+#include <bpf/bpf.h>
+#include <libelf.h>
+#include <gelf.h>
+#include <string.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <stdarg.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <errno.h>
+#include <assert.h>
+#include <bpf/libbpf.h>
+#include <bpf/btf.h>
+
+#include "bpf_util.h"
+#include "../test_btf.h"
+#include "test_progs.h"
+
+#define MAX_INSNS	512
+#define MAX_SUBPROGS	16
+
+static int duration = 0;
+static bool always_log;
+
+#undef CHECK
+#define CHECK(condition, format...) _CHECK(condition, "check", duration, format)
+
+#define NAME_TBD 0xdeadb33f
+
+#define NAME_NTH(N) (0xfffe0000 | N)
+#define IS_NAME_NTH(X) ((X & 0xffff0000) == 0xfffe0000)
+#define GET_NAME_NTH_IDX(X) (X & 0x0000ffff)
+
+#define MAX_NR_RAW_U32 1024
+#define BTF_LOG_BUF_SIZE 65535
+
+static char btf_log_buf[BTF_LOG_BUF_SIZE];
+
+static struct btf_header hdr_tmpl = {
+	.magic = BTF_MAGIC,
+	.version = BTF_VERSION,
+	.hdr_len = sizeof(struct btf_header),
+};
+
+/* several different mapv kinds(types) supported by pprint */
+enum pprint_mapv_kind_t {
+	PPRINT_MAPV_KIND_BASIC = 0,
+	PPRINT_MAPV_KIND_INT128,
+};
+
+struct btf_raw_test {
+	const char *descr;
+	const char *str_sec;
+	const char *map_name;
+	const char *err_str;
+	__u32 raw_types[MAX_NR_RAW_U32];
+	__u32 str_sec_size;
+	enum bpf_map_type map_type;
+	__u32 key_size;
+	__u32 value_size;
+	__u32 key_type_id;
+	__u32 value_type_id;
+	__u32 max_entries;
+	bool btf_load_err;
+	bool map_create_err;
+	bool ordered_map;
+	bool lossless_map;
+	bool percpu_map;
+	int hdr_len_delta;
+	int type_off_delta;
+	int str_off_delta;
+	int str_len_delta;
+	enum pprint_mapv_kind_t mapv_kind;
+};
+
+#define BTF_STR_SEC(str) \
+	.str_sec = str, .str_sec_size = sizeof(str)
+
+static struct btf_raw_test raw_tests[] = {
+/* enum E {
+ *     E0,
+ *     E1,
+ * };
+ *
+ * struct A {
+ *	unsigned long long m;
+ *	int n;
+ *	char o;
+ *	[3 bytes hole]
+ *	int p[8];
+ *	int q[4][8];
+ *	enum E r;
+ * };
+ */
+{
+	.descr = "struct test #1",
+	.raw_types = {
+		/* int */
+		BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),	/* [1] */
+		/* unsigned long long */
+		BTF_TYPE_INT_ENC(0, 0, 0, 64, 8),		/* [2] */
+		/* char */
+		BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 8, 1),	/* [3] */
+		/* int[8] */
+		BTF_TYPE_ARRAY_ENC(1, 1, 8),			/* [4] */
+		/* struct A { */				/* [5] */
+		BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 6), 180),
+		BTF_MEMBER_ENC(NAME_TBD, 2, 0),	/* unsigned long long m;*/
+		BTF_MEMBER_ENC(NAME_TBD, 1, 64),/* int n;		*/
+		BTF_MEMBER_ENC(NAME_TBD, 3, 96),/* char o;		*/
+		BTF_MEMBER_ENC(NAME_TBD, 4, 128),/* int p[8]		*/
+		BTF_MEMBER_ENC(NAME_TBD, 6, 384),/* int q[4][8]		*/
+		BTF_MEMBER_ENC(NAME_TBD, 7, 1408), /* enum E r		*/
+		/* } */
+		/* int[4][8] */
+		BTF_TYPE_ARRAY_ENC(4, 1, 4),			/* [6] */
+		/* enum E */					/* [7] */
+		BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_ENUM, 0, 2), sizeof(int)),
+		BTF_ENUM_ENC(NAME_TBD, 0),
+		BTF_ENUM_ENC(NAME_TBD, 1),
+		BTF_END_RAW,
+	},
+	.str_sec = "\0A\0m\0n\0o\0p\0q\0r\0E\0E0\0E1",
+	.str_sec_size = sizeof("\0A\0m\0n\0o\0p\0q\0r\0E\0E0\0E1"),
+	.map_type = BPF_MAP_TYPE_ARRAY,
+	.map_name = "struct_test1_map",
+	.key_size = sizeof(int),
+	.value_size = 180,
+	.key_type_id = 1,
+	.value_type_id = 5,
+	.max_entries = 4,
+},
+
+/* typedef struct b Struct_B;
+ *
+ * struct A {
+ *     int m;
+ *     struct b n[4];
+ *     const Struct_B o[4];
+ * };
+ *
+ * struct B {
+ *     int m;
+ *     int n;
+ * };
+ */
+{
+	.descr = "struct test #2",
+	.raw_types = {
+		/* int */					/* [1] */
+		BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),
+		/* struct b [4] */				/* [2] */
+		BTF_TYPE_ARRAY_ENC(4, 1, 4),
+
+		/* struct A { */				/* [3] */
+		BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 3), 68),
+		BTF_MEMBER_ENC(NAME_TBD, 1, 0),	/* int m;		*/
+		BTF_MEMBER_ENC(NAME_TBD, 2, 32),/* struct B n[4]	*/
+		BTF_MEMBER_ENC(NAME_TBD, 8, 288),/* const Struct_B o[4];*/
+		/* } */
+
+		/* struct B { */				/* [4] */
+		BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 2), 8),
+		BTF_MEMBER_ENC(NAME_TBD, 1, 0),	/* int m; */
+		BTF_MEMBER_ENC(NAME_TBD, 1, 32),/* int n; */
+		/* } */
+
+		/* const int */					/* [5] */
+		BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_CONST, 0, 0), 1),
+		/* typedef struct b Struct_B */	/* [6] */
+		BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_TYPEDEF, 0, 0), 4),
+		/* const Struct_B */				/* [7] */
+		BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_CONST, 0, 0), 6),
+		/* const Struct_B [4] */			/* [8] */
+		BTF_TYPE_ARRAY_ENC(7, 1, 4),
+		BTF_END_RAW,
+	},
+	.str_sec = "\0A\0m\0n\0o\0B\0m\0n\0Struct_B",
+	.str_sec_size = sizeof("\0A\0m\0n\0o\0B\0m\0n\0Struct_B"),
+	.map_type = BPF_MAP_TYPE_ARRAY,
+	.map_name = "struct_test2_map",
+	.key_size = sizeof(int),
+	.value_size = 68,
+	.key_type_id = 1,
+	.value_type_id = 3,
+	.max_entries = 4,
+},
+{
+	.descr = "struct test #3 Invalid member offset",
+	.raw_types = {
+		/* int */					/* [1] */
+		BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),
+		/* int64 */					/* [2] */
+		BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 64, 8),
+
+		/* struct A { */				/* [3] */
+		BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 2), 16),
+		BTF_MEMBER_ENC(NAME_TBD, 1, 64),	/* int m;		*/
+		BTF_MEMBER_ENC(NAME_TBD, 2, 0),		/* int64 n; */
+		/* } */
+		BTF_END_RAW,
+	},
+	.str_sec = "\0A\0m\0n\0",
+	.str_sec_size = sizeof("\0A\0m\0n\0"),
+	.map_type = BPF_MAP_TYPE_ARRAY,
+	.map_name = "struct_test3_map",
+	.key_size = sizeof(int),
+	.value_size = 16,
+	.key_type_id = 1,
+	.value_type_id = 3,
+	.max_entries = 4,
+	.btf_load_err = true,
+	.err_str = "Invalid member bits_offset",
+},
+/*
+ * struct A {
+ *	unsigned long long m;
+ *	int n;
+ *	char o;
+ *	[3 bytes hole]
+ *	int p[8];
+ * };
+ */
+{
+	.descr = "global data test #1",
+	.raw_types = {
+		/* int */
+		BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),	/* [1] */
+		/* unsigned long long */
+		BTF_TYPE_INT_ENC(0, 0, 0, 64, 8),		/* [2] */
+		/* char */
+		BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 8, 1),	/* [3] */
+		/* int[8] */
+		BTF_TYPE_ARRAY_ENC(1, 1, 8),			/* [4] */
+		/* struct A { */				/* [5] */
+		BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 4), 48),
+		BTF_MEMBER_ENC(NAME_TBD, 2, 0),	/* unsigned long long m;*/
+		BTF_MEMBER_ENC(NAME_TBD, 1, 64),/* int n;		*/
+		BTF_MEMBER_ENC(NAME_TBD, 3, 96),/* char o;		*/
+		BTF_MEMBER_ENC(NAME_TBD, 4, 128),/* int p[8]		*/
+		/* } */
+		BTF_END_RAW,
+	},
+	.str_sec = "\0A\0m\0n\0o\0p",
+	.str_sec_size = sizeof("\0A\0m\0n\0o\0p"),
+	.map_type = BPF_MAP_TYPE_ARRAY,
+	.map_name = "struct_test1_map",
+	.key_size = sizeof(int),
+	.value_size = 48,
+	.key_type_id = 1,
+	.value_type_id = 5,
+	.max_entries = 4,
+},
+/*
+ * struct A {
+ *	unsigned long long m;
+ *	int n;
+ *	char o;
+ *	[3 bytes hole]
+ *	int p[8];
+ * };
+ * static struct A t; <- in .bss
+ */
+{
+	.descr = "global data test #2",
+	.raw_types = {
+		/* int */
+		BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),	/* [1] */
+		/* unsigned long long */
+		BTF_TYPE_INT_ENC(0, 0, 0, 64, 8),		/* [2] */
+		/* char */
+		BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 8, 1),	/* [3] */
+		/* int[8] */
+		BTF_TYPE_ARRAY_ENC(1, 1, 8),			/* [4] */
+		/* struct A { */				/* [5] */
+		BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 4), 48),
+		BTF_MEMBER_ENC(NAME_TBD, 2, 0),	/* unsigned long long m;*/
+		BTF_MEMBER_ENC(NAME_TBD, 1, 64),/* int n;		*/
+		BTF_MEMBER_ENC(NAME_TBD, 3, 96),/* char o;		*/
+		BTF_MEMBER_ENC(NAME_TBD, 4, 128),/* int p[8]		*/
+		/* } */
+		/* static struct A t */
+		BTF_VAR_ENC(NAME_TBD, 5, 0),			/* [6] */
+		/* .bss section */				/* [7] */
+		BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_DATASEC, 0, 1), 48),
+		BTF_VAR_SECINFO_ENC(6, 0, 48),
+		BTF_END_RAW,
+	},
+	.str_sec = "\0A\0m\0n\0o\0p\0t\0.bss",
+	.str_sec_size = sizeof("\0A\0m\0n\0o\0p\0t\0.bss"),
+	.map_type = BPF_MAP_TYPE_ARRAY,
+	.map_name = ".bss",
+	.key_size = sizeof(int),
+	.value_size = 48,
+	.key_type_id = 0,
+	.value_type_id = 7,
+	.max_entries = 1,
+},
+{
+	.descr = "global data test #3",
+	.raw_types = {
+		/* int */
+		BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),	/* [1] */
+		/* static int t */
+		BTF_VAR_ENC(NAME_TBD, 1, 0),			/* [2] */
+		/* .bss section */				/* [3] */
+		BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_DATASEC, 0, 1), 4),
+		BTF_VAR_SECINFO_ENC(2, 0, 4),
+		BTF_END_RAW,
+	},
+	.str_sec = "\0t\0.bss",
+	.str_sec_size = sizeof("\0t\0.bss"),
+	.map_type = BPF_MAP_TYPE_ARRAY,
+	.map_name = ".bss",
+	.key_size = sizeof(int),
+	.value_size = 4,
+	.key_type_id = 0,
+	.value_type_id = 3,
+	.max_entries = 1,
+},
+{
+	.descr = "global data test #4, unsupported linkage",
+	.raw_types = {
+		/* int */
+		BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),	/* [1] */
+		/* static int t */
+		BTF_VAR_ENC(NAME_TBD, 1, 2),			/* [2] */
+		/* .bss section */				/* [3] */
+		BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_DATASEC, 0, 1), 4),
+		BTF_VAR_SECINFO_ENC(2, 0, 4),
+		BTF_END_RAW,
+	},
+	.str_sec = "\0t\0.bss",
+	.str_sec_size = sizeof("\0t\0.bss"),
+	.map_type = BPF_MAP_TYPE_ARRAY,
+	.map_name = ".bss",
+	.key_size = sizeof(int),
+	.value_size = 4,
+	.key_type_id = 0,
+	.value_type_id = 3,
+	.max_entries = 1,
+	.btf_load_err = true,
+	.err_str = "Linkage not supported",
+},
+{
+	.descr = "global data test #5, invalid var type",
+	.raw_types = {
+		/* static void t */
+		BTF_VAR_ENC(NAME_TBD, 0, 0),			/* [1] */
+		/* .bss section */				/* [2] */
+		BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_DATASEC, 0, 1), 4),
+		BTF_VAR_SECINFO_ENC(1, 0, 4),
+		BTF_END_RAW,
+	},
+	.str_sec = "\0t\0.bss",
+	.str_sec_size = sizeof("\0t\0.bss"),
+	.map_type = BPF_MAP_TYPE_ARRAY,
+	.map_name = ".bss",
+	.key_size = sizeof(int),
+	.value_size = 4,
+	.key_type_id = 0,
+	.value_type_id = 2,
+	.max_entries = 1,
+	.btf_load_err = true,
+	.err_str = "Invalid type_id",
+},
+{
+	.descr = "global data test #6, invalid var type (fwd type)",
+	.raw_types = {
+		/* union A */
+		BTF_TYPE_ENC(NAME_TBD,
+			     BTF_INFO_ENC(BTF_KIND_FWD, 1, 0), 0), /* [1] */
+		/* static union A t */
+		BTF_VAR_ENC(NAME_TBD, 1, 0),			/* [2] */
+		/* .bss section */				/* [3] */
+		BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_DATASEC, 0, 1), 4),
+		BTF_VAR_SECINFO_ENC(2, 0, 4),
+		BTF_END_RAW,
+	},
+	.str_sec = "\0A\0t\0.bss",
+	.str_sec_size = sizeof("\0A\0t\0.bss"),
+	.map_type = BPF_MAP_TYPE_ARRAY,
+	.map_name = ".bss",
+	.key_size = sizeof(int),
+	.value_size = 4,
+	.key_type_id = 0,
+	.value_type_id = 2,
+	.max_entries = 1,
+	.btf_load_err = true,
+	.err_str = "Invalid type",
+},
+{
+	.descr = "global data test #7, invalid var type (fwd type)",
+	.raw_types = {
+		/* union A */
+		BTF_TYPE_ENC(NAME_TBD,
+			     BTF_INFO_ENC(BTF_KIND_FWD, 1, 0), 0), /* [1] */
+		/* static union A t */
+		BTF_VAR_ENC(NAME_TBD, 1, 0),			/* [2] */
+		/* .bss section */				/* [3] */
+		BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_DATASEC, 0, 1), 4),
+		BTF_VAR_SECINFO_ENC(1, 0, 4),
+		BTF_END_RAW,
+	},
+	.str_sec = "\0A\0t\0.bss",
+	.str_sec_size = sizeof("\0A\0t\0.bss"),
+	.map_type = BPF_MAP_TYPE_ARRAY,
+	.map_name = ".bss",
+	.key_size = sizeof(int),
+	.value_size = 4,
+	.key_type_id = 0,
+	.value_type_id = 2,
+	.max_entries = 1,
+	.btf_load_err = true,
+	.err_str = "Invalid type",
+},
+{
+	.descr = "global data test #8, invalid var size",
+	.raw_types = {
+		/* int */
+		BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),	/* [1] */
+		/* unsigned long long */
+		BTF_TYPE_INT_ENC(0, 0, 0, 64, 8),		/* [2] */
+		/* char */
+		BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 8, 1),	/* [3] */
+		/* int[8] */
+		BTF_TYPE_ARRAY_ENC(1, 1, 8),			/* [4] */
+		/* struct A { */				/* [5] */
+		BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 4), 48),
+		BTF_MEMBER_ENC(NAME_TBD, 2, 0),	/* unsigned long long m;*/
+		BTF_MEMBER_ENC(NAME_TBD, 1, 64),/* int n;		*/
+		BTF_MEMBER_ENC(NAME_TBD, 3, 96),/* char o;		*/
+		BTF_MEMBER_ENC(NAME_TBD, 4, 128),/* int p[8]		*/
+		/* } */
+		/* static struct A t */
+		BTF_VAR_ENC(NAME_TBD, 5, 0),			/* [6] */
+		/* .bss section */				/* [7] */
+		BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_DATASEC, 0, 1), 48),
+		BTF_VAR_SECINFO_ENC(6, 0, 47),
+		BTF_END_RAW,
+	},
+	.str_sec = "\0A\0m\0n\0o\0p\0t\0.bss",
+	.str_sec_size = sizeof("\0A\0m\0n\0o\0p\0t\0.bss"),
+	.map_type = BPF_MAP_TYPE_ARRAY,
+	.map_name = ".bss",
+	.key_size = sizeof(int),
+	.value_size = 48,
+	.key_type_id = 0,
+	.value_type_id = 7,
+	.max_entries = 1,
+	.btf_load_err = true,
+	.err_str = "Invalid size",
+},
+{
+	.descr = "global data test #9, invalid var size",
+	.raw_types = {
+		/* int */
+		BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),	/* [1] */
+		/* unsigned long long */
+		BTF_TYPE_INT_ENC(0, 0, 0, 64, 8),		/* [2] */
+		/* char */
+		BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 8, 1),	/* [3] */
+		/* int[8] */
+		BTF_TYPE_ARRAY_ENC(1, 1, 8),			/* [4] */
+		/* struct A { */				/* [5] */
+		BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 4), 48),
+		BTF_MEMBER_ENC(NAME_TBD, 2, 0),	/* unsigned long long m;*/
+		BTF_MEMBER_ENC(NAME_TBD, 1, 64),/* int n;		*/
+		BTF_MEMBER_ENC(NAME_TBD, 3, 96),/* char o;		*/
+		BTF_MEMBER_ENC(NAME_TBD, 4, 128),/* int p[8]		*/
+		/* } */
+		/* static struct A t */
+		BTF_VAR_ENC(NAME_TBD, 5, 0),			/* [6] */
+		/* .bss section */				/* [7] */
+		BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_DATASEC, 0, 1), 46),
+		BTF_VAR_SECINFO_ENC(6, 0, 48),
+		BTF_END_RAW,
+	},
+	.str_sec = "\0A\0m\0n\0o\0p\0t\0.bss",
+	.str_sec_size = sizeof("\0A\0m\0n\0o\0p\0t\0.bss"),
+	.map_type = BPF_MAP_TYPE_ARRAY,
+	.map_name = ".bss",
+	.key_size = sizeof(int),
+	.value_size = 48,
+	.key_type_id = 0,
+	.value_type_id = 7,
+	.max_entries = 1,
+	.btf_load_err = true,
+	.err_str = "Invalid size",
+},
+{
+	.descr = "global data test #10, invalid var size",
+	.raw_types = {
+		/* int */
+		BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),	/* [1] */
+		/* unsigned long long */
+		BTF_TYPE_INT_ENC(0, 0, 0, 64, 8),		/* [2] */
+		/* char */
+		BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 8, 1),	/* [3] */
+		/* int[8] */
+		BTF_TYPE_ARRAY_ENC(1, 1, 8),			/* [4] */
+		/* struct A { */				/* [5] */
+		BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 4), 48),
+		BTF_MEMBER_ENC(NAME_TBD, 2, 0),	/* unsigned long long m;*/
+		BTF_MEMBER_ENC(NAME_TBD, 1, 64),/* int n;		*/
+		BTF_MEMBER_ENC(NAME_TBD, 3, 96),/* char o;		*/
+		BTF_MEMBER_ENC(NAME_TBD, 4, 128),/* int p[8]		*/
+		/* } */
+		/* static struct A t */
+		BTF_VAR_ENC(NAME_TBD, 5, 0),			/* [6] */
+		/* .bss section */				/* [7] */
+		BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_DATASEC, 0, 1), 46),
+		BTF_VAR_SECINFO_ENC(6, 0, 46),
+		BTF_END_RAW,
+	},
+	.str_sec = "\0A\0m\0n\0o\0p\0t\0.bss",
+	.str_sec_size = sizeof("\0A\0m\0n\0o\0p\0t\0.bss"),
+	.map_type = BPF_MAP_TYPE_ARRAY,
+	.map_name = ".bss",
+	.key_size = sizeof(int),
+	.value_size = 48,
+	.key_type_id = 0,
+	.value_type_id = 7,
+	.max_entries = 1,
+	.btf_load_err = true,
+	.err_str = "Invalid size",
+},
+{
+	.descr = "global data test #11, multiple section members",
+	.raw_types = {
+		/* int */
+		BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),	/* [1] */
+		/* unsigned long long */
+		BTF_TYPE_INT_ENC(0, 0, 0, 64, 8),		/* [2] */
+		/* char */
+		BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 8, 1),	/* [3] */
+		/* int[8] */
+		BTF_TYPE_ARRAY_ENC(1, 1, 8),			/* [4] */
+		/* struct A { */				/* [5] */
+		BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 4), 48),
+		BTF_MEMBER_ENC(NAME_TBD, 2, 0),	/* unsigned long long m;*/
+		BTF_MEMBER_ENC(NAME_TBD, 1, 64),/* int n;		*/
+		BTF_MEMBER_ENC(NAME_TBD, 3, 96),/* char o;		*/
+		BTF_MEMBER_ENC(NAME_TBD, 4, 128),/* int p[8]		*/
+		/* } */
+		/* static struct A t */
+		BTF_VAR_ENC(NAME_TBD, 5, 0),			/* [6] */
+		/* static int u */
+		BTF_VAR_ENC(NAME_TBD, 1, 0),			/* [7] */
+		/* .bss section */				/* [8] */
+		BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_DATASEC, 0, 2), 62),
+		BTF_VAR_SECINFO_ENC(6, 10, 48),
+		BTF_VAR_SECINFO_ENC(7, 58, 4),
+		BTF_END_RAW,
+	},
+	.str_sec = "\0A\0m\0n\0o\0p\0t\0u\0.bss",
+	.str_sec_size = sizeof("\0A\0m\0n\0o\0p\0t\0u\0.bss"),
+	.map_type = BPF_MAP_TYPE_ARRAY,
+	.map_name = ".bss",
+	.key_size = sizeof(int),
+	.value_size = 62,
+	.key_type_id = 0,
+	.value_type_id = 8,
+	.max_entries = 1,
+},
+{
+	.descr = "global data test #12, invalid offset",
+	.raw_types = {
+		/* int */
+		BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),	/* [1] */
+		/* unsigned long long */
+		BTF_TYPE_INT_ENC(0, 0, 0, 64, 8),		/* [2] */
+		/* char */
+		BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 8, 1),	/* [3] */
+		/* int[8] */
+		BTF_TYPE_ARRAY_ENC(1, 1, 8),			/* [4] */
+		/* struct A { */				/* [5] */
+		BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 4), 48),
+		BTF_MEMBER_ENC(NAME_TBD, 2, 0),	/* unsigned long long m;*/
+		BTF_MEMBER_ENC(NAME_TBD, 1, 64),/* int n;		*/
+		BTF_MEMBER_ENC(NAME_TBD, 3, 96),/* char o;		*/
+		BTF_MEMBER_ENC(NAME_TBD, 4, 128),/* int p[8]		*/
+		/* } */
+		/* static struct A t */
+		BTF_VAR_ENC(NAME_TBD, 5, 0),			/* [6] */
+		/* static int u */
+		BTF_VAR_ENC(NAME_TBD, 1, 0),			/* [7] */
+		/* .bss section */				/* [8] */
+		BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_DATASEC, 0, 2), 62),
+		BTF_VAR_SECINFO_ENC(6, 10, 48),
+		BTF_VAR_SECINFO_ENC(7, 60, 4),
+		BTF_END_RAW,
+	},
+	.str_sec = "\0A\0m\0n\0o\0p\0t\0u\0.bss",
+	.str_sec_size = sizeof("\0A\0m\0n\0o\0p\0t\0u\0.bss"),
+	.map_type = BPF_MAP_TYPE_ARRAY,
+	.map_name = ".bss",
+	.key_size = sizeof(int),
+	.value_size = 62,
+	.key_type_id = 0,
+	.value_type_id = 8,
+	.max_entries = 1,
+	.btf_load_err = true,
+	.err_str = "Invalid offset+size",
+},
+{
+	.descr = "global data test #13, invalid offset",
+	.raw_types = {
+		/* int */
+		BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),	/* [1] */
+		/* unsigned long long */
+		BTF_TYPE_INT_ENC(0, 0, 0, 64, 8),		/* [2] */
+		/* char */
+		BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 8, 1),	/* [3] */
+		/* int[8] */
+		BTF_TYPE_ARRAY_ENC(1, 1, 8),			/* [4] */
+		/* struct A { */				/* [5] */
+		BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 4), 48),
+		BTF_MEMBER_ENC(NAME_TBD, 2, 0),	/* unsigned long long m;*/
+		BTF_MEMBER_ENC(NAME_TBD, 1, 64),/* int n;		*/
+		BTF_MEMBER_ENC(NAME_TBD, 3, 96),/* char o;		*/
+		BTF_MEMBER_ENC(NAME_TBD, 4, 128),/* int p[8]		*/
+		/* } */
+		/* static struct A t */
+		BTF_VAR_ENC(NAME_TBD, 5, 0),			/* [6] */
+		/* static int u */
+		BTF_VAR_ENC(NAME_TBD, 1, 0),			/* [7] */
+		/* .bss section */				/* [8] */
+		BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_DATASEC, 0, 2), 62),
+		BTF_VAR_SECINFO_ENC(6, 10, 48),
+		BTF_VAR_SECINFO_ENC(7, 12, 4),
+		BTF_END_RAW,
+	},
+	.str_sec = "\0A\0m\0n\0o\0p\0t\0u\0.bss",
+	.str_sec_size = sizeof("\0A\0m\0n\0o\0p\0t\0u\0.bss"),
+	.map_type = BPF_MAP_TYPE_ARRAY,
+	.map_name = ".bss",
+	.key_size = sizeof(int),
+	.value_size = 62,
+	.key_type_id = 0,
+	.value_type_id = 8,
+	.max_entries = 1,
+	.btf_load_err = true,
+	.err_str = "Invalid offset",
+},
+{
+	.descr = "global data test #14, invalid offset",
+	.raw_types = {
+		/* int */
+		BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),	/* [1] */
+		/* unsigned long long */
+		BTF_TYPE_INT_ENC(0, 0, 0, 64, 8),		/* [2] */
+		/* char */
+		BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 8, 1),	/* [3] */
+		/* int[8] */
+		BTF_TYPE_ARRAY_ENC(1, 1, 8),			/* [4] */
+		/* struct A { */				/* [5] */
+		BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 4), 48),
+		BTF_MEMBER_ENC(NAME_TBD, 2, 0),	/* unsigned long long m;*/
+		BTF_MEMBER_ENC(NAME_TBD, 1, 64),/* int n;		*/
+		BTF_MEMBER_ENC(NAME_TBD, 3, 96),/* char o;		*/
+		BTF_MEMBER_ENC(NAME_TBD, 4, 128),/* int p[8]		*/
+		/* } */
+		/* static struct A t */
+		BTF_VAR_ENC(NAME_TBD, 5, 0),			/* [6] */
+		/* static int u */
+		BTF_VAR_ENC(NAME_TBD, 1, 0),			/* [7] */
+		/* .bss section */				/* [8] */
+		BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_DATASEC, 0, 2), 62),
+		BTF_VAR_SECINFO_ENC(7, 58, 4),
+		BTF_VAR_SECINFO_ENC(6, 10, 48),
+		BTF_END_RAW,
+	},
+	.str_sec = "\0A\0m\0n\0o\0p\0t\0u\0.bss",
+	.str_sec_size = sizeof("\0A\0m\0n\0o\0p\0t\0u\0.bss"),
+	.map_type = BPF_MAP_TYPE_ARRAY,
+	.map_name = ".bss",
+	.key_size = sizeof(int),
+	.value_size = 62,
+	.key_type_id = 0,
+	.value_type_id = 8,
+	.max_entries = 1,
+	.btf_load_err = true,
+	.err_str = "Invalid offset",
+},
+{
+	.descr = "global data test #15, not var kind",
+	.raw_types = {
+		/* int */
+		BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),	/* [1] */
+		BTF_VAR_ENC(NAME_TBD, 1, 0),			/* [2] */
+		/* .bss section */				/* [3] */
+		BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_DATASEC, 0, 1), 4),
+		BTF_VAR_SECINFO_ENC(1, 0, 4),
+		BTF_END_RAW,
+	},
+	.str_sec = "\0A\0t\0.bss",
+	.str_sec_size = sizeof("\0A\0t\0.bss"),
+	.map_type = BPF_MAP_TYPE_ARRAY,
+	.map_name = ".bss",
+	.key_size = sizeof(int),
+	.value_size = 4,
+	.key_type_id = 0,
+	.value_type_id = 3,
+	.max_entries = 1,
+	.btf_load_err = true,
+	.err_str = "Not a VAR kind member",
+},
+{
+	.descr = "global data test #16, invalid var referencing sec",
+	.raw_types = {
+		/* int */
+		BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),	/* [1] */
+		BTF_VAR_ENC(NAME_TBD, 5, 0),			/* [2] */
+		BTF_VAR_ENC(NAME_TBD, 2, 0),			/* [3] */
+		/* a section */					/* [4] */
+		BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_DATASEC, 0, 1), 4),
+		BTF_VAR_SECINFO_ENC(3, 0, 4),
+		/* a section */					/* [5] */
+		BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_DATASEC, 0, 1), 4),
+		BTF_VAR_SECINFO_ENC(6, 0, 4),
+		BTF_VAR_ENC(NAME_TBD, 1, 0),			/* [6] */
+		BTF_END_RAW,
+	},
+	.str_sec = "\0A\0t\0s\0a\0a",
+	.str_sec_size = sizeof("\0A\0t\0s\0a\0a"),
+	.map_type = BPF_MAP_TYPE_ARRAY,
+	.map_name = ".bss",
+	.key_size = sizeof(int),
+	.value_size = 4,
+	.key_type_id = 0,
+	.value_type_id = 4,
+	.max_entries = 1,
+	.btf_load_err = true,
+	.err_str = "Invalid type_id",
+},
+{
+	.descr = "global data test #17, invalid var referencing var",
+	.raw_types = {
+		/* int */
+		BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),	/* [1] */
+		BTF_VAR_ENC(NAME_TBD, 1, 0),			/* [2] */
+		BTF_VAR_ENC(NAME_TBD, 2, 0),			/* [3] */
+		/* a section */					/* [4] */
+		BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_DATASEC, 0, 1), 4),
+		BTF_VAR_SECINFO_ENC(3, 0, 4),
+		BTF_END_RAW,
+	},
+	.str_sec = "\0A\0t\0s\0a\0a",
+	.str_sec_size = sizeof("\0A\0t\0s\0a\0a"),
+	.map_type = BPF_MAP_TYPE_ARRAY,
+	.map_name = ".bss",
+	.key_size = sizeof(int),
+	.value_size = 4,
+	.key_type_id = 0,
+	.value_type_id = 4,
+	.max_entries = 1,
+	.btf_load_err = true,
+	.err_str = "Invalid type_id",
+},
+{
+	.descr = "global data test #18, invalid var loop",
+	.raw_types = {
+		/* int */
+		BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),	/* [1] */
+		BTF_VAR_ENC(NAME_TBD, 2, 0),			/* [2] */
+		/* .bss section */				/* [3] */
+		BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_DATASEC, 0, 1), 4),
+		BTF_VAR_SECINFO_ENC(2, 0, 4),
+		BTF_END_RAW,
+	},
+	.str_sec = "\0A\0t\0aaa",
+	.str_sec_size = sizeof("\0A\0t\0aaa"),
+	.map_type = BPF_MAP_TYPE_ARRAY,
+	.map_name = ".bss",
+	.key_size = sizeof(int),
+	.value_size = 4,
+	.key_type_id = 0,
+	.value_type_id = 4,
+	.max_entries = 1,
+	.btf_load_err = true,
+	.err_str = "Invalid type_id",
+},
+{
+	.descr = "global data test #19, invalid var referencing var",
+	.raw_types = {
+		/* int */
+		BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),	/* [1] */
+		BTF_VAR_ENC(NAME_TBD, 3, 0),			/* [2] */
+		BTF_VAR_ENC(NAME_TBD, 1, 0),			/* [3] */
+		BTF_END_RAW,
+	},
+	.str_sec = "\0A\0t\0s\0a\0a",
+	.str_sec_size = sizeof("\0A\0t\0s\0a\0a"),
+	.map_type = BPF_MAP_TYPE_ARRAY,
+	.map_name = ".bss",
+	.key_size = sizeof(int),
+	.value_size = 4,
+	.key_type_id = 0,
+	.value_type_id = 4,
+	.max_entries = 1,
+	.btf_load_err = true,
+	.err_str = "Invalid type_id",
+},
+{
+	.descr = "global data test #20, invalid ptr referencing var",
+	.raw_types = {
+		/* int */
+		BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),	/* [1] */
+		/* PTR type_id=3	*/			/* [2] */
+		BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_PTR, 0, 0), 3),
+		BTF_VAR_ENC(NAME_TBD, 1, 0),			/* [3] */
+		BTF_END_RAW,
+	},
+	.str_sec = "\0A\0t\0s\0a\0a",
+	.str_sec_size = sizeof("\0A\0t\0s\0a\0a"),
+	.map_type = BPF_MAP_TYPE_ARRAY,
+	.map_name = ".bss",
+	.key_size = sizeof(int),
+	.value_size = 4,
+	.key_type_id = 0,
+	.value_type_id = 4,
+	.max_entries = 1,
+	.btf_load_err = true,
+	.err_str = "Invalid type_id",
+},
+{
+	.descr = "global data test #21, var included in struct",
+	.raw_types = {
+		/* int */
+		BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),	/* [1] */
+		/* struct A { */				/* [2] */
+		BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 2), sizeof(int) * 2),
+		BTF_MEMBER_ENC(NAME_TBD, 1, 0),	/* int m; */
+		BTF_MEMBER_ENC(NAME_TBD, 3, 32),/* VAR type_id=3; */
+		/* } */
+		BTF_VAR_ENC(NAME_TBD, 1, 0),			/* [3] */
+		BTF_END_RAW,
+	},
+	.str_sec = "\0A\0t\0s\0a\0a",
+	.str_sec_size = sizeof("\0A\0t\0s\0a\0a"),
+	.map_type = BPF_MAP_TYPE_ARRAY,
+	.map_name = ".bss",
+	.key_size = sizeof(int),
+	.value_size = 4,
+	.key_type_id = 0,
+	.value_type_id = 4,
+	.max_entries = 1,
+	.btf_load_err = true,
+	.err_str = "Invalid member",
+},
+{
+	.descr = "global data test #22, array of var",
+	.raw_types = {
+		/* int */
+		BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),	/* [1] */
+		BTF_TYPE_ARRAY_ENC(3, 1, 4),			/* [2] */
+		BTF_VAR_ENC(NAME_TBD, 1, 0),			/* [3] */
+		BTF_END_RAW,
+	},
+	.str_sec = "\0A\0t\0s\0a\0a",
+	.str_sec_size = sizeof("\0A\0t\0s\0a\0a"),
+	.map_type = BPF_MAP_TYPE_ARRAY,
+	.map_name = ".bss",
+	.key_size = sizeof(int),
+	.value_size = 4,
+	.key_type_id = 0,
+	.value_type_id = 4,
+	.max_entries = 1,
+	.btf_load_err = true,
+	.err_str = "Invalid elem",
+},
+{
+	.descr = "var after datasec, ptr followed by modifier",
+	.raw_types = {
+		/* .bss section */				/* [1] */
+		BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_DATASEC, 0, 2),
+			sizeof(void*)+4),
+		BTF_VAR_SECINFO_ENC(4, 0, sizeof(void*)),
+		BTF_VAR_SECINFO_ENC(6, sizeof(void*), 4),
+		/* int */					/* [2] */
+		BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),
+		/* int* */					/* [3] */
+		BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_PTR, 0, 0), 2),
+		BTF_VAR_ENC(NAME_TBD, 3, 0),			/* [4] */
+		/* const int */					/* [5] */
+		BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_CONST, 0, 0), 2),
+		BTF_VAR_ENC(NAME_TBD, 5, 0),			/* [6] */
+		BTF_END_RAW,
+	},
+	.str_sec = "\0a\0b\0c\0",
+	.str_sec_size = sizeof("\0a\0b\0c\0"),
+	.map_type = BPF_MAP_TYPE_ARRAY,
+	.map_name = ".bss",
+	.key_size = sizeof(int),
+	.value_size = sizeof(void*)+4,
+	.key_type_id = 0,
+	.value_type_id = 1,
+	.max_entries = 1,
+},
+/* Test member exceeds the size of struct.
+ *
+ * struct A {
+ *     int m;
+ *     int n;
+ * };
+ */
+{
+	.descr = "size check test #1",
+	.raw_types = {
+		/* int */					/* [1] */
+		BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),
+		/* struct A { */				/* [2] */
+		BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 2), sizeof(int) * 2 -  1),
+		BTF_MEMBER_ENC(NAME_TBD, 1, 0),	/* int m; */
+		BTF_MEMBER_ENC(NAME_TBD, 1, 32),/* int n; */
+		/* } */
+		BTF_END_RAW,
+	},
+	.str_sec = "\0A\0m\0n",
+	.str_sec_size = sizeof("\0A\0m\0n"),
+	.map_type = BPF_MAP_TYPE_ARRAY,
+	.map_name = "size_check1_map",
+	.key_size = sizeof(int),
+	.value_size = 1,
+	.key_type_id = 1,
+	.value_type_id = 2,
+	.max_entries = 4,
+	.btf_load_err = true,
+	.err_str = "Member exceeds struct_size",
+},
+
+/* Test member exceeds the size of struct
+ *
+ * struct A {
+ *     int m;
+ *     int n[2];
+ * };
+ */
+{
+	.descr = "size check test #2",
+	.raw_types = {
+		/* int */					/* [1] */
+		BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, sizeof(int)),
+		/* int[2] */					/* [2] */
+		BTF_TYPE_ARRAY_ENC(1, 1, 2),
+		/* struct A { */				/* [3] */
+		BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 2), sizeof(int) * 3 - 1),
+		BTF_MEMBER_ENC(NAME_TBD, 1, 0),	/* int m; */
+		BTF_MEMBER_ENC(NAME_TBD, 2, 32),/* int n[2]; */
+		/* } */
+		BTF_END_RAW,
+	},
+	.str_sec = "\0A\0m\0n",
+	.str_sec_size = sizeof("\0A\0m\0n"),
+	.map_type = BPF_MAP_TYPE_ARRAY,
+	.map_name = "size_check2_map",
+	.key_size = sizeof(int),
+	.value_size = 1,
+	.key_type_id = 1,
+	.value_type_id = 3,
+	.max_entries = 4,
+	.btf_load_err = true,
+	.err_str = "Member exceeds struct_size",
+},
+
+/* Test member exceeds the size of struct
+ *
+ * struct A {
+ *     int m;
+ *     void *n;
+ * };
+ */
+{
+	.descr = "size check test #3",
+	.raw_types = {
+		/* int */					/* [1] */
+		BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, sizeof(int)),
+		/* void* */					/* [2] */
+		BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_PTR, 0, 0), 0),
+		/* struct A { */				/* [3] */
+		BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 2), sizeof(int) + sizeof(void *) - 1),
+		BTF_MEMBER_ENC(NAME_TBD, 1, 0),	/* int m; */
+		BTF_MEMBER_ENC(NAME_TBD, 2, 32),/* void *n; */
+		/* } */
+		BTF_END_RAW,
+	},
+	.str_sec = "\0A\0m\0n",
+	.str_sec_size = sizeof("\0A\0m\0n"),
+	.map_type = BPF_MAP_TYPE_ARRAY,
+	.map_name = "size_check3_map",
+	.key_size = sizeof(int),
+	.value_size = 1,
+	.key_type_id = 1,
+	.value_type_id = 3,
+	.max_entries = 4,
+	.btf_load_err = true,
+	.err_str = "Member exceeds struct_size",
+},
+
+/* Test member exceeds the size of struct
+ *
+ * enum E {
+ *     E0,
+ *     E1,
+ * };
+ *
+ * struct A {
+ *     int m;
+ *     enum E n;
+ * };
+ */
+{
+	.descr = "size check test #4",
+	.raw_types = {
+		/* int */			/* [1] */
+		BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, sizeof(int)),
+		/* enum E { */			/* [2] */
+		BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_ENUM, 0, 2), sizeof(int)),
+		BTF_ENUM_ENC(NAME_TBD, 0),
+		BTF_ENUM_ENC(NAME_TBD, 1),
+		/* } */
+		/* struct A { */		/* [3] */
+		BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 2), sizeof(int) * 2 - 1),
+		BTF_MEMBER_ENC(NAME_TBD, 1, 0),	/* int m; */
+		BTF_MEMBER_ENC(NAME_TBD, 2, 32),/* enum E n; */
+		/* } */
+		BTF_END_RAW,
+	},
+	.str_sec = "\0E\0E0\0E1\0A\0m\0n",
+	.str_sec_size = sizeof("\0E\0E0\0E1\0A\0m\0n"),
+	.map_type = BPF_MAP_TYPE_ARRAY,
+	.map_name = "size_check4_map",
+	.key_size = sizeof(int),
+	.value_size = 1,
+	.key_type_id = 1,
+	.value_type_id = 3,
+	.max_entries = 4,
+	.btf_load_err = true,
+	.err_str = "Member exceeds struct_size",
+},
+
+/* Test member unexceeds the size of struct
+ *
+ * enum E {
+ *     E0,
+ *     E1,
+ * };
+ *
+ * struct A {
+ *     char m;
+ *     enum E __attribute__((packed)) n;
+ * };
+ */
+{
+	.descr = "size check test #5",
+	.raw_types = {
+		/* int */			/* [1] */
+		BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, sizeof(int)),
+		/* char */			/* [2] */
+		BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 8, 1),
+		/* enum E { */			/* [3] */
+		BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_ENUM, 0, 2), 1),
+		BTF_ENUM_ENC(NAME_TBD, 0),
+		BTF_ENUM_ENC(NAME_TBD, 1),
+		/* } */
+		/* struct A { */		/* [4] */
+		BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 2), 2),
+		BTF_MEMBER_ENC(NAME_TBD, 2, 0),	/* char m; */
+		BTF_MEMBER_ENC(NAME_TBD, 3, 8),/* enum E __attribute__((packed)) n; */
+		/* } */
+		BTF_END_RAW,
+	},
+	.str_sec = "\0E\0E0\0E1\0A\0m\0n",
+	.str_sec_size = sizeof("\0E\0E0\0E1\0A\0m\0n"),
+	.map_type = BPF_MAP_TYPE_ARRAY,
+	.map_name = "size_check5_map",
+	.key_size = sizeof(int),
+	.value_size = 2,
+	.key_type_id = 1,
+	.value_type_id = 4,
+	.max_entries = 4,
+},
+
+/* typedef const void * const_void_ptr;
+ * struct A {
+ *	const_void_ptr m;
+ * };
+ */
+{
+	.descr = "void test #1",
+	.raw_types = {
+		/* int */		/* [1] */
+		BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),
+		/* const void */	/* [2] */
+		BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_CONST, 0, 0), 0),
+		/* const void* */	/* [3] */
+		BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_PTR, 0, 0), 2),
+		/* typedef const void * const_void_ptr */
+		BTF_TYPEDEF_ENC(NAME_TBD, 3),	/* [4] */
+		/* struct A { */	/* [5] */
+		BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 1), sizeof(void *)),
+		/* const_void_ptr m; */
+		BTF_MEMBER_ENC(NAME_TBD, 4, 0),
+		/* } */
+		BTF_END_RAW,
+	},
+	.str_sec = "\0const_void_ptr\0A\0m",
+	.str_sec_size = sizeof("\0const_void_ptr\0A\0m"),
+	.map_type = BPF_MAP_TYPE_ARRAY,
+	.map_name = "void_test1_map",
+	.key_size = sizeof(int),
+	.value_size = sizeof(void *),
+	.key_type_id = 1,
+	.value_type_id = 4,
+	.max_entries = 4,
+},
+
+/* struct A {
+ *     const void m;
+ * };
+ */
+{
+	.descr = "void test #2",
+	.raw_types = {
+		/* int */		/* [1] */
+		BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),
+		/* const void */	/* [2] */
+		BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_CONST, 0, 0), 0),
+		/* struct A { */	/* [3] */
+		BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 1), 8),
+		/* const void m; */
+		BTF_MEMBER_ENC(NAME_TBD, 2, 0),
+		/* } */
+		BTF_END_RAW,
+	},
+	.str_sec = "\0A\0m",
+	.str_sec_size = sizeof("\0A\0m"),
+	.map_type = BPF_MAP_TYPE_ARRAY,
+	.map_name = "void_test2_map",
+	.key_size = sizeof(int),
+	.value_size = sizeof(void *),
+	.key_type_id = 1,
+	.value_type_id = 3,
+	.max_entries = 4,
+	.btf_load_err = true,
+	.err_str = "Invalid member",
+},
+
+/* typedef const void * const_void_ptr;
+ * const_void_ptr[4]
+ */
+{
+	.descr = "void test #3",
+	.raw_types = {
+		/* int */		/* [1] */
+		BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),
+		/* const void */	/* [2] */
+		BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_CONST, 0, 0), 0),
+		/* const void* */	/* [3] */
+		BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_PTR, 0, 0), 2),
+		/* typedef const void * const_void_ptr */
+		BTF_TYPEDEF_ENC(NAME_TBD, 3),	/* [4] */
+		/* const_void_ptr[4] */
+		BTF_TYPE_ARRAY_ENC(4, 1, 4),	/* [5] */
+		BTF_END_RAW,
+	},
+	.str_sec = "\0const_void_ptr",
+	.str_sec_size = sizeof("\0const_void_ptr"),
+	.map_type = BPF_MAP_TYPE_ARRAY,
+	.map_name = "void_test3_map",
+	.key_size = sizeof(int),
+	.value_size = sizeof(void *) * 4,
+	.key_type_id = 1,
+	.value_type_id = 5,
+	.max_entries = 4,
+},
+
+/* const void[4]  */
+{
+	.descr = "void test #4",
+	.raw_types = {
+		/* int */		/* [1] */
+		BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),
+		/* const void */	/* [2] */
+		BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_CONST, 0, 0), 0),
+		/* const void[4] */	/* [3] */
+		BTF_TYPE_ARRAY_ENC(2, 1, 4),
+		BTF_END_RAW,
+	},
+	.str_sec = "\0A\0m",
+	.str_sec_size = sizeof("\0A\0m"),
+	.map_type = BPF_MAP_TYPE_ARRAY,
+	.map_name = "void_test4_map",
+	.key_size = sizeof(int),
+	.value_size = sizeof(void *) * 4,
+	.key_type_id = 1,
+	.value_type_id = 3,
+	.max_entries = 4,
+	.btf_load_err = true,
+	.err_str = "Invalid elem",
+},
+
+/* Array_A  <------------------+
+ *     elem_type == Array_B    |
+ *                    |        |
+ *                    |        |
+ * Array_B  <-------- +        |
+ *      elem_type == Array A --+
+ */
+{
+	.descr = "loop test #1",
+	.raw_types = {
+		/* int */			/* [1] */
+		BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),
+		/* Array_A */			/* [2] */
+		BTF_TYPE_ARRAY_ENC(3, 1, 8),
+		/* Array_B */			/* [3] */
+		BTF_TYPE_ARRAY_ENC(2, 1, 8),
+		BTF_END_RAW,
+	},
+	.str_sec = "",
+	.str_sec_size = sizeof(""),
+	.map_type = BPF_MAP_TYPE_ARRAY,
+	.map_name = "loop_test1_map",
+	.key_size = sizeof(int),
+	.value_size = sizeof(sizeof(int) * 8),
+	.key_type_id = 1,
+	.value_type_id = 2,
+	.max_entries = 4,
+	.btf_load_err = true,
+	.err_str = "Loop detected",
+},
+
+/* typedef is _before_ the BTF type of Array_A and Array_B
+ *
+ * typedef Array_B int_array;
+ *
+ * Array_A  <------------------+
+ *     elem_type == int_array  |
+ *                    |        |
+ *                    |        |
+ * Array_B  <-------- +        |
+ *      elem_type == Array_A --+
+ */
+{
+	.descr = "loop test #2",
+	.raw_types = {
+		/* int */
+		BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),	/* [1] */
+		/* typedef Array_B int_array */
+		BTF_TYPEDEF_ENC(1, 4),				/* [2] */
+		/* Array_A */
+		BTF_TYPE_ARRAY_ENC(2, 1, 8),			/* [3] */
+		/* Array_B */
+		BTF_TYPE_ARRAY_ENC(3, 1, 8),			/* [4] */
+		BTF_END_RAW,
+	},
+	.str_sec = "\0int_array\0",
+	.str_sec_size = sizeof("\0int_array"),
+	.map_type = BPF_MAP_TYPE_ARRAY,
+	.map_name = "loop_test2_map",
+	.key_size = sizeof(int),
+	.value_size = sizeof(sizeof(int) * 8),
+	.key_type_id = 1,
+	.value_type_id = 2,
+	.max_entries = 4,
+	.btf_load_err = true,
+	.err_str = "Loop detected",
+},
+
+/* Array_A  <------------------+
+ *     elem_type == Array_B    |
+ *                    |        |
+ *                    |        |
+ * Array_B  <-------- +        |
+ *      elem_type == Array_A --+
+ */
+{
+	.descr = "loop test #3",
+	.raw_types = {
+		/* int */				/* [1] */
+		BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),
+		/* Array_A */				/* [2] */
+		BTF_TYPE_ARRAY_ENC(3, 1, 8),
+		/* Array_B */				/* [3] */
+		BTF_TYPE_ARRAY_ENC(2, 1, 8),
+		BTF_END_RAW,
+	},
+	.str_sec = "",
+	.str_sec_size = sizeof(""),
+	.map_type = BPF_MAP_TYPE_ARRAY,
+	.map_name = "loop_test3_map",
+	.key_size = sizeof(int),
+	.value_size = sizeof(sizeof(int) * 8),
+	.key_type_id = 1,
+	.value_type_id = 2,
+	.max_entries = 4,
+	.btf_load_err = true,
+	.err_str = "Loop detected",
+},
+
+/* typedef is _between_ the BTF type of Array_A and Array_B
+ *
+ * typedef Array_B int_array;
+ *
+ * Array_A  <------------------+
+ *     elem_type == int_array  |
+ *                    |        |
+ *                    |        |
+ * Array_B  <-------- +        |
+ *      elem_type == Array_A --+
+ */
+{
+	.descr = "loop test #4",
+	.raw_types = {
+		/* int */				/* [1] */
+		BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),
+		/* Array_A */				/* [2] */
+		BTF_TYPE_ARRAY_ENC(3, 1, 8),
+		/* typedef Array_B int_array */		/* [3] */
+		BTF_TYPEDEF_ENC(NAME_TBD, 4),
+		/* Array_B */				/* [4] */
+		BTF_TYPE_ARRAY_ENC(2, 1, 8),
+		BTF_END_RAW,
+	},
+	.str_sec = "\0int_array\0",
+	.str_sec_size = sizeof("\0int_array"),
+	.map_type = BPF_MAP_TYPE_ARRAY,
+	.map_name = "loop_test4_map",
+	.key_size = sizeof(int),
+	.value_size = sizeof(sizeof(int) * 8),
+	.key_type_id = 1,
+	.value_type_id = 2,
+	.max_entries = 4,
+	.btf_load_err = true,
+	.err_str = "Loop detected",
+},
+
+/* typedef struct B Struct_B
+ *
+ * struct A {
+ *     int x;
+ *     Struct_B y;
+ * };
+ *
+ * struct B {
+ *     int x;
+ *     struct A y;
+ * };
+ */
+{
+	.descr = "loop test #5",
+	.raw_types = {
+		/* int */
+		BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),	/* [1] */
+		/* struct A */					/* [2] */
+		BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 2), 8),
+		BTF_MEMBER_ENC(NAME_TBD, 1, 0),	/* int x;	*/
+		BTF_MEMBER_ENC(NAME_TBD, 3, 32),/* Struct_B y;	*/
+		/* typedef struct B Struct_B */
+		BTF_TYPEDEF_ENC(NAME_TBD, 4),			/* [3] */
+		/* struct B */					/* [4] */
+		BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 2), 8),
+		BTF_MEMBER_ENC(NAME_TBD, 1, 0),	/* int x;	*/
+		BTF_MEMBER_ENC(NAME_TBD, 2, 32),/* struct A y;	*/
+		BTF_END_RAW,
+	},
+	.str_sec = "\0A\0x\0y\0Struct_B\0B\0x\0y",
+	.str_sec_size = sizeof("\0A\0x\0y\0Struct_B\0B\0x\0y"),
+	.map_type = BPF_MAP_TYPE_ARRAY,
+	.map_name = "loop_test5_map",
+	.key_size = sizeof(int),
+	.value_size = 8,
+	.key_type_id = 1,
+	.value_type_id = 2,
+	.max_entries = 4,
+	.btf_load_err = true,
+	.err_str = "Loop detected",
+},
+
+/* struct A {
+ *     int x;
+ *     struct A array_a[4];
+ * };
+ */
+{
+	.descr = "loop test #6",
+	.raw_types = {
+		/* int */
+		BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),	/* [1] */
+		BTF_TYPE_ARRAY_ENC(3, 1, 4),			/* [2] */
+		/* struct A */					/* [3] */
+		BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 2), 8),
+		BTF_MEMBER_ENC(NAME_TBD, 1, 0),	/* int x;		*/
+		BTF_MEMBER_ENC(NAME_TBD, 2, 32),/* struct A array_a[4];	*/
+		BTF_END_RAW,
+	},
+	.str_sec = "\0A\0x\0y",
+	.str_sec_size = sizeof("\0A\0x\0y"),
+	.map_type = BPF_MAP_TYPE_ARRAY,
+	.map_name = "loop_test6_map",
+	.key_size = sizeof(int),
+	.value_size = 8,
+	.key_type_id = 1,
+	.value_type_id = 2,
+	.max_entries = 4,
+	.btf_load_err = true,
+	.err_str = "Loop detected",
+},
+
+{
+	.descr = "loop test #7",
+	.raw_types = {
+		/* int */				/* [1] */
+		BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),
+		/* struct A { */			/* [2] */
+		BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 1), sizeof(void *)),
+		/*     const void *m;	*/
+		BTF_MEMBER_ENC(NAME_TBD, 3, 0),
+		/* CONST type_id=3	*/		/* [3] */
+		BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_CONST, 0, 0), 4),
+		/* PTR type_id=2	*/		/* [4] */
+		BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_PTR, 0, 0), 3),
+		BTF_END_RAW,
+	},
+	.str_sec = "\0A\0m",
+	.str_sec_size = sizeof("\0A\0m"),
+	.map_type = BPF_MAP_TYPE_ARRAY,
+	.map_name = "loop_test7_map",
+	.key_size = sizeof(int),
+	.value_size = sizeof(void *),
+	.key_type_id = 1,
+	.value_type_id = 2,
+	.max_entries = 4,
+	.btf_load_err = true,
+	.err_str = "Loop detected",
+},
+
+{
+	.descr = "loop test #8",
+	.raw_types = {
+		/* int */				/* [1] */
+		BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),
+		/* struct A { */			/* [2] */
+		BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 1), sizeof(void *)),
+		/*     const void *m;	*/
+		BTF_MEMBER_ENC(NAME_TBD, 4, 0),
+		/* struct B { */			/* [3] */
+		BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 1), sizeof(void *)),
+		/*     const void *n;	*/
+		BTF_MEMBER_ENC(NAME_TBD, 6, 0),
+		/* CONST type_id=5	*/		/* [4] */
+		BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_CONST, 0, 0), 5),
+		/* PTR type_id=6	*/		/* [5] */
+		BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_PTR, 0, 0), 6),
+		/* CONST type_id=7	*/		/* [6] */
+		BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_CONST, 0, 0), 7),
+		/* PTR type_id=4	*/		/* [7] */
+		BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_PTR, 0, 0), 4),
+		BTF_END_RAW,
+	},
+	.str_sec = "\0A\0m\0B\0n",
+	.str_sec_size = sizeof("\0A\0m\0B\0n"),
+	.map_type = BPF_MAP_TYPE_ARRAY,
+	.map_name = "loop_test8_map",
+	.key_size = sizeof(int),
+	.value_size = sizeof(void *),
+	.key_type_id = 1,
+	.value_type_id = 2,
+	.max_entries = 4,
+	.btf_load_err = true,
+	.err_str = "Loop detected",
+},
+
+{
+	.descr = "string section does not end with null",
+	.raw_types = {
+		/* int */				/* [1] */
+		BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4),
+		BTF_END_RAW,
+	},
+	.str_sec = "\0int",
+	.str_sec_size = sizeof("\0int") - 1,
+	.map_type = BPF_MAP_TYPE_ARRAY,
+	.map_name = "hdr_test_map",
+	.key_size = sizeof(int),
+	.value_size = sizeof(int),
+	.key_type_id = 1,
+	.value_type_id = 1,
+	.max_entries = 4,
+	.btf_load_err = true,
+	.err_str = "Invalid string section",
+},
+
+{
+	.descr = "empty string section",
+	.raw_types = {
+		/* int */				/* [1] */
+		BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),
+		BTF_END_RAW,
+	},
+	.str_sec = "",
+	.str_sec_size = 0,
+	.map_type = BPF_MAP_TYPE_ARRAY,
+	.map_name = "hdr_test_map",
+	.key_size = sizeof(int),
+	.value_size = sizeof(int),
+	.key_type_id = 1,
+	.value_type_id = 1,
+	.max_entries = 4,
+	.btf_load_err = true,
+	.err_str = "Invalid string section",
+},
+
+{
+	.descr = "empty type section",
+	.raw_types = {
+		BTF_END_RAW,
+	},
+	.str_sec = "\0int",
+	.str_sec_size = sizeof("\0int"),
+	.map_type = BPF_MAP_TYPE_ARRAY,
+	.map_name = "hdr_test_map",
+	.key_size = sizeof(int),
+	.value_size = sizeof(int),
+	.key_type_id = 1,
+	.value_type_id = 1,
+	.max_entries = 4,
+	.btf_load_err = true,
+	.err_str = "No type found",
+},
+
+{
+	.descr = "btf_header test. Longer hdr_len",
+	.raw_types = {
+		/* int */				/* [1] */
+		BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4),
+		BTF_END_RAW,
+	},
+	.str_sec = "\0int",
+	.str_sec_size = sizeof("\0int"),
+	.map_type = BPF_MAP_TYPE_ARRAY,
+	.map_name = "hdr_test_map",
+	.key_size = sizeof(int),
+	.value_size = sizeof(int),
+	.key_type_id = 1,
+	.value_type_id = 1,
+	.max_entries = 4,
+	.btf_load_err = true,
+	.hdr_len_delta = 4,
+	.err_str = "Unsupported btf_header",
+},
+
+{
+	.descr = "btf_header test. Gap between hdr and type",
+	.raw_types = {
+		/* int */				/* [1] */
+		BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4),
+		BTF_END_RAW,
+	},
+	.str_sec = "\0int",
+	.str_sec_size = sizeof("\0int"),
+	.map_type = BPF_MAP_TYPE_ARRAY,
+	.map_name = "hdr_test_map",
+	.key_size = sizeof(int),
+	.value_size = sizeof(int),
+	.key_type_id = 1,
+	.value_type_id = 1,
+	.max_entries = 4,
+	.btf_load_err = true,
+	.type_off_delta = 4,
+	.err_str = "Unsupported section found",
+},
+
+{
+	.descr = "btf_header test. Gap between type and str",
+	.raw_types = {
+		/* int */				/* [1] */
+		BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4),
+		BTF_END_RAW,
+	},
+	.str_sec = "\0int",
+	.str_sec_size = sizeof("\0int"),
+	.map_type = BPF_MAP_TYPE_ARRAY,
+	.map_name = "hdr_test_map",
+	.key_size = sizeof(int),
+	.value_size = sizeof(int),
+	.key_type_id = 1,
+	.value_type_id = 1,
+	.max_entries = 4,
+	.btf_load_err = true,
+	.str_off_delta = 4,
+	.err_str = "Unsupported section found",
+},
+
+{
+	.descr = "btf_header test. Overlap between type and str",
+	.raw_types = {
+		/* int */				/* [1] */
+		BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4),
+		BTF_END_RAW,
+	},
+	.str_sec = "\0int",
+	.str_sec_size = sizeof("\0int"),
+	.map_type = BPF_MAP_TYPE_ARRAY,
+	.map_name = "hdr_test_map",
+	.key_size = sizeof(int),
+	.value_size = sizeof(int),
+	.key_type_id = 1,
+	.value_type_id = 1,
+	.max_entries = 4,
+	.btf_load_err = true,
+	.str_off_delta = -4,
+	.err_str = "Section overlap found",
+},
+
+{
+	.descr = "btf_header test. Larger BTF size",
+	.raw_types = {
+		/* int */				/* [1] */
+		BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4),
+		BTF_END_RAW,
+	},
+	.str_sec = "\0int",
+	.str_sec_size = sizeof("\0int"),
+	.map_type = BPF_MAP_TYPE_ARRAY,
+	.map_name = "hdr_test_map",
+	.key_size = sizeof(int),
+	.value_size = sizeof(int),
+	.key_type_id = 1,
+	.value_type_id = 1,
+	.max_entries = 4,
+	.btf_load_err = true,
+	.str_len_delta = -4,
+	.err_str = "Unsupported section found",
+},
+
+{
+	.descr = "btf_header test. Smaller BTF size",
+	.raw_types = {
+		/* int */				/* [1] */
+		BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4),
+		BTF_END_RAW,
+	},
+	.str_sec = "\0int",
+	.str_sec_size = sizeof("\0int"),
+	.map_type = BPF_MAP_TYPE_ARRAY,
+	.map_name = "hdr_test_map",
+	.key_size = sizeof(int),
+	.value_size = sizeof(int),
+	.key_type_id = 1,
+	.value_type_id = 1,
+	.max_entries = 4,
+	.btf_load_err = true,
+	.str_len_delta = 4,
+	.err_str = "Total section length too long",
+},
+
+{
+	.descr = "array test. index_type/elem_type \"int\"",
+	.raw_types = {
+		/* int */				/* [1] */
+		BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),
+		/* int[16] */				/* [2] */
+		BTF_TYPE_ARRAY_ENC(1, 1, 16),
+		BTF_END_RAW,
+	},
+	.str_sec = "",
+	.str_sec_size = sizeof(""),
+	.map_type = BPF_MAP_TYPE_ARRAY,
+	.map_name = "array_test_map",
+	.key_size = sizeof(int),
+	.value_size = sizeof(int),
+	.key_type_id = 1,
+	.value_type_id = 1,
+	.max_entries = 4,
+},
+
+{
+	.descr = "array test. index_type/elem_type \"const int\"",
+	.raw_types = {
+		/* int */				/* [1] */
+		BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),
+		/* int[16] */				/* [2] */
+		BTF_TYPE_ARRAY_ENC(3, 3, 16),
+		/* CONST type_id=1 */			/* [3] */
+		BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_CONST, 0, 0), 1),
+		BTF_END_RAW,
+	},
+	.str_sec = "",
+	.str_sec_size = sizeof(""),
+	.map_type = BPF_MAP_TYPE_ARRAY,
+	.map_name = "array_test_map",
+	.key_size = sizeof(int),
+	.value_size = sizeof(int),
+	.key_type_id = 1,
+	.value_type_id = 1,
+	.max_entries = 4,
+},
+
+{
+	.descr = "array test. index_type \"const int:31\"",
+	.raw_types = {
+		/* int */				/* [1] */
+		BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),
+		/* int:31 */				/* [2] */
+		BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 31, 4),
+		/* int[16] */				/* [3] */
+		BTF_TYPE_ARRAY_ENC(1, 4, 16),
+		/* CONST type_id=2 */			/* [4] */
+		BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_CONST, 0, 0), 2),
+		BTF_END_RAW,
+	},
+	.str_sec = "",
+	.str_sec_size = sizeof(""),
+	.map_type = BPF_MAP_TYPE_ARRAY,
+	.map_name = "array_test_map",
+	.key_size = sizeof(int),
+	.value_size = sizeof(int),
+	.key_type_id = 1,
+	.value_type_id = 1,
+	.max_entries = 4,
+	.btf_load_err = true,
+	.err_str = "Invalid index",
+},
+
+{
+	.descr = "array test. elem_type \"const int:31\"",
+	.raw_types = {
+		/* int */				/* [1] */
+		BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),
+		/* int:31 */				/* [2] */
+		BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 31, 4),
+		/* int[16] */				/* [3] */
+		BTF_TYPE_ARRAY_ENC(4, 1, 16),
+		/* CONST type_id=2 */			/* [4] */
+		BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_CONST, 0, 0), 2),
+		BTF_END_RAW,
+	},
+	.str_sec = "",
+	.str_sec_size = sizeof(""),
+	.map_type = BPF_MAP_TYPE_ARRAY,
+	.map_name = "array_test_map",
+	.key_size = sizeof(int),
+	.value_size = sizeof(int),
+	.key_type_id = 1,
+	.value_type_id = 1,
+	.max_entries = 4,
+	.btf_load_err = true,
+	.err_str = "Invalid array of int",
+},
+
+{
+	.descr = "array test. index_type \"void\"",
+	.raw_types = {
+		/* int */				/* [1] */
+		BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),
+		/* int[16] */				/* [2] */
+		BTF_TYPE_ARRAY_ENC(1, 0, 16),
+		BTF_END_RAW,
+	},
+	.str_sec = "",
+	.str_sec_size = sizeof(""),
+	.map_type = BPF_MAP_TYPE_ARRAY,
+	.map_name = "array_test_map",
+	.key_size = sizeof(int),
+	.value_size = sizeof(int),
+	.key_type_id = 1,
+	.value_type_id = 1,
+	.max_entries = 4,
+	.btf_load_err = true,
+	.err_str = "Invalid index",
+},
+
+{
+	.descr = "array test. index_type \"const void\"",
+	.raw_types = {
+		/* int */				/* [1] */
+		BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),
+		/* int[16] */				/* [2] */
+		BTF_TYPE_ARRAY_ENC(1, 3, 16),
+		/* CONST type_id=0 (void) */		/* [3] */
+		BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_CONST, 0, 0), 0),
+		BTF_END_RAW,
+	},
+	.str_sec = "",
+	.str_sec_size = sizeof(""),
+	.map_type = BPF_MAP_TYPE_ARRAY,
+	.map_name = "array_test_map",
+	.key_size = sizeof(int),
+	.value_size = sizeof(int),
+	.key_type_id = 1,
+	.value_type_id = 1,
+	.max_entries = 4,
+	.btf_load_err = true,
+	.err_str = "Invalid index",
+},
+
+{
+	.descr = "array test. elem_type \"const void\"",
+	.raw_types = {
+		/* int */				/* [1] */
+		BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),
+		/* int[16] */				/* [2] */
+		BTF_TYPE_ARRAY_ENC(3, 1, 16),
+		/* CONST type_id=0 (void) */		/* [3] */
+		BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_CONST, 0, 0), 0),
+		BTF_END_RAW,
+	},
+	.str_sec = "",
+	.str_sec_size = sizeof(""),
+	.map_type = BPF_MAP_TYPE_ARRAY,
+	.map_name = "array_test_map",
+	.key_size = sizeof(int),
+	.value_size = sizeof(int),
+	.key_type_id = 1,
+	.value_type_id = 1,
+	.max_entries = 4,
+	.btf_load_err = true,
+	.err_str = "Invalid elem",
+},
+
+{
+	.descr = "array test. elem_type \"const void *\"",
+	.raw_types = {
+		/* int */				/* [1] */
+		BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),
+		/* const void *[16] */			/* [2] */
+		BTF_TYPE_ARRAY_ENC(3, 1, 16),
+		/* CONST type_id=4 */			/* [3] */
+		BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_CONST, 0, 0), 4),
+		/* void* */				/* [4] */
+		BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_PTR, 0, 0), 0),
+		BTF_END_RAW,
+	},
+	.str_sec = "",
+	.str_sec_size = sizeof(""),
+	.map_type = BPF_MAP_TYPE_ARRAY,
+	.map_name = "array_test_map",
+	.key_size = sizeof(int),
+	.value_size = sizeof(int),
+	.key_type_id = 1,
+	.value_type_id = 1,
+	.max_entries = 4,
+},
+
+{
+	.descr = "array test. index_type \"const void *\"",
+	.raw_types = {
+		/* int */				/* [1] */
+		BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),
+		/* const void *[16] */			/* [2] */
+		BTF_TYPE_ARRAY_ENC(3, 3, 16),
+		/* CONST type_id=4 */			/* [3] */
+		BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_CONST, 0, 0), 4),
+		/* void* */				/* [4] */
+		BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_PTR, 0, 0), 0),
+		BTF_END_RAW,
+	},
+	.str_sec = "",
+	.str_sec_size = sizeof(""),
+	.map_type = BPF_MAP_TYPE_ARRAY,
+	.map_name = "array_test_map",
+	.key_size = sizeof(int),
+	.value_size = sizeof(int),
+	.key_type_id = 1,
+	.value_type_id = 1,
+	.max_entries = 4,
+	.btf_load_err = true,
+	.err_str = "Invalid index",
+},
+
+{
+	.descr = "array test. t->size != 0\"",
+	.raw_types = {
+		/* int */				/* [1] */
+		BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),
+		/* int[16] */				/* [2] */
+		BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_ARRAY, 0, 0), 1),
+		BTF_ARRAY_ENC(1, 1, 16),
+		BTF_END_RAW,
+	},
+	.str_sec = "",
+	.str_sec_size = sizeof(""),
+	.map_type = BPF_MAP_TYPE_ARRAY,
+	.map_name = "array_test_map",
+	.key_size = sizeof(int),
+	.value_size = sizeof(int),
+	.key_type_id = 1,
+	.value_type_id = 1,
+	.max_entries = 4,
+	.btf_load_err = true,
+	.err_str = "size != 0",
+},
+
+{
+	.descr = "int test. invalid int_data",
+	.raw_types = {
+		BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_INT, 0, 0), 4),
+		0x10000000,
+		BTF_END_RAW,
+	},
+	.str_sec = "",
+	.str_sec_size = sizeof(""),
+	.map_type = BPF_MAP_TYPE_ARRAY,
+	.map_name = "array_test_map",
+	.key_size = sizeof(int),
+	.value_size = sizeof(int),
+	.key_type_id = 1,
+	.value_type_id = 1,
+	.max_entries = 4,
+	.btf_load_err = true,
+	.err_str = "Invalid int_data",
+},
+
+{
+	.descr = "invalid BTF_INFO",
+	.raw_types = {
+		/* int */				/* [1] */
+		BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),
+		BTF_TYPE_ENC(0, 0x20000000, 4),
+		BTF_END_RAW,
+	},
+	.str_sec = "",
+	.str_sec_size = sizeof(""),
+	.map_type = BPF_MAP_TYPE_ARRAY,
+	.map_name = "array_test_map",
+	.key_size = sizeof(int),
+	.value_size = sizeof(int),
+	.key_type_id = 1,
+	.value_type_id = 1,
+	.max_entries = 4,
+	.btf_load_err = true,
+	.err_str = "Invalid btf_info",
+},
+
+{
+	.descr = "fwd test. t->type != 0\"",
+	.raw_types = {
+		/* int */				/* [1] */
+		BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),
+		/* fwd type */				/* [2] */
+		BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_FWD, 0, 0), 1),
+		BTF_END_RAW,
+	},
+	.str_sec = "",
+	.str_sec_size = sizeof(""),
+	.map_type = BPF_MAP_TYPE_ARRAY,
+	.map_name = "fwd_test_map",
+	.key_size = sizeof(int),
+	.value_size = sizeof(int),
+	.key_type_id = 1,
+	.value_type_id = 1,
+	.max_entries = 4,
+	.btf_load_err = true,
+	.err_str = "type != 0",
+},
+
+{
+	.descr = "typedef (invalid name, name_off = 0)",
+	.raw_types = {
+		BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),	/* [1] */
+		BTF_TYPEDEF_ENC(0, 1),				/* [2] */
+		BTF_END_RAW,
+	},
+	.str_sec = "\0__int",
+	.str_sec_size = sizeof("\0__int"),
+	.map_type = BPF_MAP_TYPE_ARRAY,
+	.map_name = "typedef_check_btf",
+	.key_size = sizeof(int),
+	.value_size = sizeof(int),
+	.key_type_id = 1,
+	.value_type_id = 1,
+	.max_entries = 4,
+	.btf_load_err = true,
+	.err_str = "Invalid name",
+},
+
+{
+	.descr = "typedef (invalid name, invalid identifier)",
+	.raw_types = {
+		BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),	/* [1] */
+		BTF_TYPEDEF_ENC(NAME_TBD, 1),			/* [2] */
+		BTF_END_RAW,
+	},
+	.str_sec = "\0__!int",
+	.str_sec_size = sizeof("\0__!int"),
+	.map_type = BPF_MAP_TYPE_ARRAY,
+	.map_name = "typedef_check_btf",
+	.key_size = sizeof(int),
+	.value_size = sizeof(int),
+	.key_type_id = 1,
+	.value_type_id = 1,
+	.max_entries = 4,
+	.btf_load_err = true,
+	.err_str = "Invalid name",
+},
+
+{
+	.descr = "ptr type (invalid name, name_off <> 0)",
+	.raw_types = {
+		BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),		/* [1] */
+		BTF_TYPE_ENC(NAME_TBD,
+			     BTF_INFO_ENC(BTF_KIND_PTR, 0, 0), 1),	/* [2] */
+		BTF_END_RAW,
+	},
+	.str_sec = "\0__int",
+	.str_sec_size = sizeof("\0__int"),
+	.map_type = BPF_MAP_TYPE_ARRAY,
+	.map_name = "ptr_type_check_btf",
+	.key_size = sizeof(int),
+	.value_size = sizeof(int),
+	.key_type_id = 1,
+	.value_type_id = 1,
+	.max_entries = 4,
+	.btf_load_err = true,
+	.err_str = "Invalid name",
+},
+
+{
+	.descr = "volatile type (invalid name, name_off <> 0)",
+	.raw_types = {
+		BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),		/* [1] */
+		BTF_TYPE_ENC(NAME_TBD,
+			     BTF_INFO_ENC(BTF_KIND_VOLATILE, 0, 0), 1),	/* [2] */
+		BTF_END_RAW,
+	},
+	.str_sec = "\0__int",
+	.str_sec_size = sizeof("\0__int"),
+	.map_type = BPF_MAP_TYPE_ARRAY,
+	.map_name = "volatile_type_check_btf",
+	.key_size = sizeof(int),
+	.value_size = sizeof(int),
+	.key_type_id = 1,
+	.value_type_id = 1,
+	.max_entries = 4,
+	.btf_load_err = true,
+	.err_str = "Invalid name",
+},
+
+{
+	.descr = "const type (invalid name, name_off <> 0)",
+	.raw_types = {
+		BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),		/* [1] */
+		BTF_TYPE_ENC(NAME_TBD,
+			     BTF_INFO_ENC(BTF_KIND_CONST, 0, 0), 1),	/* [2] */
+		BTF_END_RAW,
+	},
+	.str_sec = "\0__int",
+	.str_sec_size = sizeof("\0__int"),
+	.map_type = BPF_MAP_TYPE_ARRAY,
+	.map_name = "const_type_check_btf",
+	.key_size = sizeof(int),
+	.value_size = sizeof(int),
+	.key_type_id = 1,
+	.value_type_id = 1,
+	.max_entries = 4,
+	.btf_load_err = true,
+	.err_str = "Invalid name",
+},
+
+{
+	.descr = "restrict type (invalid name, name_off <> 0)",
+	.raw_types = {
+		BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),		/* [1] */
+		BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_PTR, 0, 0), 1),	/* [2] */
+		BTF_TYPE_ENC(NAME_TBD,
+			     BTF_INFO_ENC(BTF_KIND_RESTRICT, 0, 0), 2),	/* [3] */
+		BTF_END_RAW,
+	},
+	.str_sec = "\0__int",
+	.str_sec_size = sizeof("\0__int"),
+	.map_type = BPF_MAP_TYPE_ARRAY,
+	.map_name = "restrict_type_check_btf",
+	.key_size = sizeof(int),
+	.value_size = sizeof(int),
+	.key_type_id = 1,
+	.value_type_id = 1,
+	.max_entries = 4,
+	.btf_load_err = true,
+	.err_str = "Invalid name",
+},
+
+{
+	.descr = "fwd type (invalid name, name_off = 0)",
+	.raw_types = {
+		BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),		/* [1] */
+		BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_FWD, 0, 0), 0),	/* [2] */
+		BTF_END_RAW,
+	},
+	.str_sec = "\0__skb",
+	.str_sec_size = sizeof("\0__skb"),
+	.map_type = BPF_MAP_TYPE_ARRAY,
+	.map_name = "fwd_type_check_btf",
+	.key_size = sizeof(int),
+	.value_size = sizeof(int),
+	.key_type_id = 1,
+	.value_type_id = 1,
+	.max_entries = 4,
+	.btf_load_err = true,
+	.err_str = "Invalid name",
+},
+
+{
+	.descr = "fwd type (invalid name, invalid identifier)",
+	.raw_types = {
+		BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),		/* [1] */
+		BTF_TYPE_ENC(NAME_TBD,
+			     BTF_INFO_ENC(BTF_KIND_FWD, 0, 0), 0),	/* [2] */
+		BTF_END_RAW,
+	},
+	.str_sec = "\0__!skb",
+	.str_sec_size = sizeof("\0__!skb"),
+	.map_type = BPF_MAP_TYPE_ARRAY,
+	.map_name = "fwd_type_check_btf",
+	.key_size = sizeof(int),
+	.value_size = sizeof(int),
+	.key_type_id = 1,
+	.value_type_id = 1,
+	.max_entries = 4,
+	.btf_load_err = true,
+	.err_str = "Invalid name",
+},
+
+{
+	.descr = "array type (invalid name, name_off <> 0)",
+	.raw_types = {
+		BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),		/* [1] */
+		BTF_TYPE_ENC(NAME_TBD,
+			     BTF_INFO_ENC(BTF_KIND_ARRAY, 0, 0), 0),	/* [2] */
+		BTF_ARRAY_ENC(1, 1, 4),
+		BTF_END_RAW,
+	},
+	.str_sec = "\0__skb",
+	.str_sec_size = sizeof("\0__skb"),
+	.map_type = BPF_MAP_TYPE_ARRAY,
+	.map_name = "array_type_check_btf",
+	.key_size = sizeof(int),
+	.value_size = sizeof(int),
+	.key_type_id = 1,
+	.value_type_id = 1,
+	.max_entries = 4,
+	.btf_load_err = true,
+	.err_str = "Invalid name",
+},
+
+{
+	.descr = "struct type (name_off = 0)",
+	.raw_types = {
+		BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),		/* [1] */
+		BTF_TYPE_ENC(0,
+			     BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 1), 4),	/* [2] */
+		BTF_MEMBER_ENC(NAME_TBD, 1, 0),
+		BTF_END_RAW,
+	},
+	.str_sec = "\0A",
+	.str_sec_size = sizeof("\0A"),
+	.map_type = BPF_MAP_TYPE_ARRAY,
+	.map_name = "struct_type_check_btf",
+	.key_size = sizeof(int),
+	.value_size = sizeof(int),
+	.key_type_id = 1,
+	.value_type_id = 1,
+	.max_entries = 4,
+},
+
+{
+	.descr = "struct type (invalid name, invalid identifier)",
+	.raw_types = {
+		BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),		/* [1] */
+		BTF_TYPE_ENC(NAME_TBD,
+			     BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 1), 4),	/* [2] */
+		BTF_MEMBER_ENC(NAME_TBD, 1, 0),
+		BTF_END_RAW,
+	},
+	.str_sec = "\0A!\0B",
+	.str_sec_size = sizeof("\0A!\0B"),
+	.map_type = BPF_MAP_TYPE_ARRAY,
+	.map_name = "struct_type_check_btf",
+	.key_size = sizeof(int),
+	.value_size = sizeof(int),
+	.key_type_id = 1,
+	.value_type_id = 1,
+	.max_entries = 4,
+	.btf_load_err = true,
+	.err_str = "Invalid name",
+},
+
+{
+	.descr = "struct member (name_off = 0)",
+	.raw_types = {
+		BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),		/* [1] */
+		BTF_TYPE_ENC(0,
+			     BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 1), 4),	/* [2] */
+		BTF_MEMBER_ENC(NAME_TBD, 1, 0),
+		BTF_END_RAW,
+	},
+	.str_sec = "\0A",
+	.str_sec_size = sizeof("\0A"),
+	.map_type = BPF_MAP_TYPE_ARRAY,
+	.map_name = "struct_type_check_btf",
+	.key_size = sizeof(int),
+	.value_size = sizeof(int),
+	.key_type_id = 1,
+	.value_type_id = 1,
+	.max_entries = 4,
+},
+
+{
+	.descr = "struct member (invalid name, invalid identifier)",
+	.raw_types = {
+		BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),		/* [1] */
+		BTF_TYPE_ENC(NAME_TBD,
+			     BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 1), 4),	/* [2] */
+		BTF_MEMBER_ENC(NAME_TBD, 1, 0),
+		BTF_END_RAW,
+	},
+	.str_sec = "\0A\0B*",
+	.str_sec_size = sizeof("\0A\0B*"),
+	.map_type = BPF_MAP_TYPE_ARRAY,
+	.map_name = "struct_type_check_btf",
+	.key_size = sizeof(int),
+	.value_size = sizeof(int),
+	.key_type_id = 1,
+	.value_type_id = 1,
+	.max_entries = 4,
+	.btf_load_err = true,
+	.err_str = "Invalid name",
+},
+
+{
+	.descr = "enum type (name_off = 0)",
+	.raw_types = {
+		BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),		/* [1] */
+		BTF_TYPE_ENC(0,
+			     BTF_INFO_ENC(BTF_KIND_ENUM, 0, 1),
+			     sizeof(int)),				/* [2] */
+		BTF_ENUM_ENC(NAME_TBD, 0),
+		BTF_END_RAW,
+	},
+	.str_sec = "\0A\0B",
+	.str_sec_size = sizeof("\0A\0B"),
+	.map_type = BPF_MAP_TYPE_ARRAY,
+	.map_name = "enum_type_check_btf",
+	.key_size = sizeof(int),
+	.value_size = sizeof(int),
+	.key_type_id = 1,
+	.value_type_id = 1,
+	.max_entries = 4,
+},
+
+{
+	.descr = "enum type (invalid name, invalid identifier)",
+	.raw_types = {
+		BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),		/* [1] */
+		BTF_TYPE_ENC(NAME_TBD,
+			     BTF_INFO_ENC(BTF_KIND_ENUM, 0, 1),
+			     sizeof(int)),				/* [2] */
+		BTF_ENUM_ENC(NAME_TBD, 0),
+		BTF_END_RAW,
+	},
+	.str_sec = "\0A!\0B",
+	.str_sec_size = sizeof("\0A!\0B"),
+	.map_type = BPF_MAP_TYPE_ARRAY,
+	.map_name = "enum_type_check_btf",
+	.key_size = sizeof(int),
+	.value_size = sizeof(int),
+	.key_type_id = 1,
+	.value_type_id = 1,
+	.max_entries = 4,
+	.btf_load_err = true,
+	.err_str = "Invalid name",
+},
+
+{
+	.descr = "enum member (invalid name, name_off = 0)",
+	.raw_types = {
+		BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),		/* [1] */
+		BTF_TYPE_ENC(0,
+			     BTF_INFO_ENC(BTF_KIND_ENUM, 0, 1),
+			     sizeof(int)),				/* [2] */
+		BTF_ENUM_ENC(0, 0),
+		BTF_END_RAW,
+	},
+	.str_sec = "",
+	.str_sec_size = sizeof(""),
+	.map_type = BPF_MAP_TYPE_ARRAY,
+	.map_name = "enum_type_check_btf",
+	.key_size = sizeof(int),
+	.value_size = sizeof(int),
+	.key_type_id = 1,
+	.value_type_id = 1,
+	.max_entries = 4,
+	.btf_load_err = true,
+	.err_str = "Invalid name",
+},
+
+{
+	.descr = "enum member (invalid name, invalid identifier)",
+	.raw_types = {
+		BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),		/* [1] */
+		BTF_TYPE_ENC(0,
+			     BTF_INFO_ENC(BTF_KIND_ENUM, 0, 1),
+			     sizeof(int)),				/* [2] */
+		BTF_ENUM_ENC(NAME_TBD, 0),
+		BTF_END_RAW,
+	},
+	.str_sec = "\0A!",
+	.str_sec_size = sizeof("\0A!"),
+	.map_type = BPF_MAP_TYPE_ARRAY,
+	.map_name = "enum_type_check_btf",
+	.key_size = sizeof(int),
+	.value_size = sizeof(int),
+	.key_type_id = 1,
+	.value_type_id = 1,
+	.max_entries = 4,
+	.btf_load_err = true,
+	.err_str = "Invalid name",
+},
+{
+	.descr = "arraymap invalid btf key (a bit field)",
+	.raw_types = {
+		/* int */				/* [1] */
+		BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),
+		/* 32 bit int with 32 bit offset */	/* [2] */
+		BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 32, 32, 8),
+		BTF_END_RAW,
+	},
+	.str_sec = "",
+	.str_sec_size = sizeof(""),
+	.map_type = BPF_MAP_TYPE_ARRAY,
+	.map_name = "array_map_check_btf",
+	.key_size = sizeof(int),
+	.value_size = sizeof(int),
+	.key_type_id = 2,
+	.value_type_id = 1,
+	.max_entries = 4,
+	.map_create_err = true,
+},
+
+{
+	.descr = "arraymap invalid btf key (!= 32 bits)",
+	.raw_types = {
+		/* int */				/* [1] */
+		BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),
+		/* 16 bit int with 0 bit offset */	/* [2] */
+		BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 16, 2),
+		BTF_END_RAW,
+	},
+	.str_sec = "",
+	.str_sec_size = sizeof(""),
+	.map_type = BPF_MAP_TYPE_ARRAY,
+	.map_name = "array_map_check_btf",
+	.key_size = sizeof(int),
+	.value_size = sizeof(int),
+	.key_type_id = 2,
+	.value_type_id = 1,
+	.max_entries = 4,
+	.map_create_err = true,
+},
+
+{
+	.descr = "arraymap invalid btf value (too small)",
+	.raw_types = {
+		/* int */				/* [1] */
+		BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),
+		BTF_END_RAW,
+	},
+	.str_sec = "",
+	.str_sec_size = sizeof(""),
+	.map_type = BPF_MAP_TYPE_ARRAY,
+	.map_name = "array_map_check_btf",
+	.key_size = sizeof(int),
+	/* btf_value_size < map->value_size */
+	.value_size = sizeof(__u64),
+	.key_type_id = 1,
+	.value_type_id = 1,
+	.max_entries = 4,
+	.map_create_err = true,
+},
+
+{
+	.descr = "arraymap invalid btf value (too big)",
+	.raw_types = {
+		/* int */				/* [1] */
+		BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),
+		BTF_END_RAW,
+	},
+	.str_sec = "",
+	.str_sec_size = sizeof(""),
+	.map_type = BPF_MAP_TYPE_ARRAY,
+	.map_name = "array_map_check_btf",
+	.key_size = sizeof(int),
+	/* btf_value_size > map->value_size */
+	.value_size = sizeof(__u16),
+	.key_type_id = 1,
+	.value_type_id = 1,
+	.max_entries = 4,
+	.map_create_err = true,
+},
+
+{
+	.descr = "func proto (int (*)(int, unsigned int))",
+	.raw_types = {
+		BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
+		BTF_TYPE_INT_ENC(0, 0, 0, 32, 4),		/* [2] */
+		/* int (*)(int, unsigned int) */
+		BTF_FUNC_PROTO_ENC(1, 2),			/* [3] */
+			BTF_FUNC_PROTO_ARG_ENC(0, 1),
+			BTF_FUNC_PROTO_ARG_ENC(0, 2),
+		BTF_END_RAW,
+	},
+	.str_sec = "",
+	.str_sec_size = sizeof(""),
+	.map_type = BPF_MAP_TYPE_ARRAY,
+	.map_name = "func_proto_type_check_btf",
+	.key_size = sizeof(int),
+	.value_size = sizeof(int),
+	.key_type_id = 1,
+	.value_type_id = 1,
+	.max_entries = 4,
+},
+
+{
+	.descr = "func proto (vararg)",
+	.raw_types = {
+		BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),	/* [1] */
+		BTF_TYPE_INT_ENC(0, 0, 0, 32, 4),		/* [2] */
+		/* void (*)(int, unsigned int, ...) */
+		BTF_FUNC_PROTO_ENC(0, 3),			/* [3] */
+			BTF_FUNC_PROTO_ARG_ENC(0, 1),
+			BTF_FUNC_PROTO_ARG_ENC(0, 2),
+			BTF_FUNC_PROTO_ARG_ENC(0, 0),
+		BTF_END_RAW,
+	},
+	.str_sec = "",
+	.str_sec_size = sizeof(""),
+	.map_type = BPF_MAP_TYPE_ARRAY,
+	.map_name = "func_proto_type_check_btf",
+	.key_size = sizeof(int),
+	.value_size = sizeof(int),
+	.key_type_id = 1,
+	.value_type_id = 1,
+	.max_entries = 4,
+},
+
+{
+	.descr = "func proto (vararg with name)",
+	.raw_types = {
+		BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),	/* [1] */
+		BTF_TYPE_INT_ENC(0, 0, 0, 32, 4),		/* [2] */
+		/* void (*)(int a, unsigned int b, ... c) */
+		BTF_FUNC_PROTO_ENC(0, 3),			/* [3] */
+			BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1),
+			BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 2),
+			BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 0),
+		BTF_END_RAW,
+	},
+	.str_sec = "\0a\0b\0c",
+	.str_sec_size = sizeof("\0a\0b\0c"),
+	.map_type = BPF_MAP_TYPE_ARRAY,
+	.map_name = "func_proto_type_check_btf",
+	.key_size = sizeof(int),
+	.value_size = sizeof(int),
+	.key_type_id = 1,
+	.value_type_id = 1,
+	.max_entries = 4,
+	.btf_load_err = true,
+	.err_str = "Invalid arg#3",
+},
+
+{
+	.descr = "func proto (arg after vararg)",
+	.raw_types = {
+		BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),	/* [1] */
+		BTF_TYPE_INT_ENC(0, 0, 0, 32, 4),		/* [2] */
+		/* void (*)(int a, ..., unsigned int b) */
+		BTF_FUNC_PROTO_ENC(0, 3),			/* [3] */
+			BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1),
+			BTF_FUNC_PROTO_ARG_ENC(0, 0),
+			BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 2),
+		BTF_END_RAW,
+	},
+	.str_sec = "\0a\0b",
+	.str_sec_size = sizeof("\0a\0b"),
+	.map_type = BPF_MAP_TYPE_ARRAY,
+	.map_name = "func_proto_type_check_btf",
+	.key_size = sizeof(int),
+	.value_size = sizeof(int),
+	.key_type_id = 1,
+	.value_type_id = 1,
+	.max_entries = 4,
+	.btf_load_err = true,
+	.err_str = "Invalid arg#2",
+},
+
+{
+	.descr = "func proto (CONST=>TYPEDEF=>PTR=>FUNC_PROTO)",
+	.raw_types = {
+		BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),	/* [1] */
+		BTF_TYPE_INT_ENC(0, 0, 0, 32, 4),		/* [2] */
+		/* typedef void (*func_ptr)(int, unsigned int) */
+		BTF_TYPEDEF_ENC(NAME_TBD, 5),			/* [3] */
+		/* const func_ptr */
+		BTF_CONST_ENC(3),				/* [4] */
+		BTF_PTR_ENC(6),					/* [5] */
+		BTF_FUNC_PROTO_ENC(0, 2),			/* [6] */
+			BTF_FUNC_PROTO_ARG_ENC(0, 1),
+			BTF_FUNC_PROTO_ARG_ENC(0, 2),
+		BTF_END_RAW,
+	},
+	.str_sec = "\0func_ptr",
+	.str_sec_size = sizeof("\0func_ptr"),
+	.map_type = BPF_MAP_TYPE_ARRAY,
+	.map_name = "func_proto_type_check_btf",
+	.key_size = sizeof(int),
+	.value_size = sizeof(int),
+	.key_type_id = 1,
+	.value_type_id = 1,
+	.max_entries = 4,
+},
+
+{
+	.descr = "func proto (TYPEDEF=>FUNC_PROTO)",
+	.raw_types = {
+		BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),	/* [1] */
+		BTF_TYPE_INT_ENC(0, 0, 0, 32, 4),		/* [2] */
+		BTF_TYPEDEF_ENC(NAME_TBD, 4),			/* [3] */
+		BTF_FUNC_PROTO_ENC(0, 2),			/* [4] */
+			BTF_FUNC_PROTO_ARG_ENC(0, 1),
+			BTF_FUNC_PROTO_ARG_ENC(0, 2),
+		BTF_END_RAW,
+	},
+	.str_sec = "\0func_typedef",
+	.str_sec_size = sizeof("\0func_typedef"),
+	.map_type = BPF_MAP_TYPE_ARRAY,
+	.map_name = "func_proto_type_check_btf",
+	.key_size = sizeof(int),
+	.value_size = sizeof(int),
+	.key_type_id = 1,
+	.value_type_id = 1,
+	.max_entries = 4,
+},
+
+{
+	.descr = "func proto (btf_resolve(arg))",
+	.raw_types = {
+		BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),	/* [1] */
+		/* void (*)(const void *) */
+		BTF_FUNC_PROTO_ENC(0, 1),			/* [2] */
+			BTF_FUNC_PROTO_ARG_ENC(0, 3),
+		BTF_CONST_ENC(4),				/* [3] */
+		BTF_PTR_ENC(0),					/* [4] */
+		BTF_END_RAW,
+	},
+	.str_sec = "",
+	.str_sec_size = sizeof(""),
+	.map_type = BPF_MAP_TYPE_ARRAY,
+	.map_name = "func_proto_type_check_btf",
+	.key_size = sizeof(int),
+	.value_size = sizeof(int),
+	.key_type_id = 1,
+	.value_type_id = 1,
+	.max_entries = 4,
+},
+
+{
+	.descr = "func proto (Not all arg has name)",
+	.raw_types = {
+		BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),	/* [1] */
+		BTF_TYPE_INT_ENC(0, 0, 0, 32, 4),		/* [2] */
+		/* void (*)(int, unsigned int b) */
+		BTF_FUNC_PROTO_ENC(0, 2),			/* [3] */
+			BTF_FUNC_PROTO_ARG_ENC(0, 1),
+			BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 2),
+		BTF_END_RAW,
+	},
+	.str_sec = "\0b",
+	.str_sec_size = sizeof("\0b"),
+	.map_type = BPF_MAP_TYPE_ARRAY,
+	.map_name = "func_proto_type_check_btf",
+	.key_size = sizeof(int),
+	.value_size = sizeof(int),
+	.key_type_id = 1,
+	.value_type_id = 1,
+	.max_entries = 4,
+},
+
+{
+	.descr = "func proto (Bad arg name_off)",
+	.raw_types = {
+		BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),	/* [1] */
+		BTF_TYPE_INT_ENC(0, 0, 0, 32, 4),		/* [2] */
+		/* void (*)(int a, unsigned int <bad_name_off>) */
+		BTF_FUNC_PROTO_ENC(0, 2),			/* [3] */
+			BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1),
+			BTF_FUNC_PROTO_ARG_ENC(0x0fffffff, 2),
+		BTF_END_RAW,
+	},
+	.str_sec = "\0a",
+	.str_sec_size = sizeof("\0a"),
+	.map_type = BPF_MAP_TYPE_ARRAY,
+	.map_name = "func_proto_type_check_btf",
+	.key_size = sizeof(int),
+	.value_size = sizeof(int),
+	.key_type_id = 1,
+	.value_type_id = 1,
+	.max_entries = 4,
+	.btf_load_err = true,
+	.err_str = "Invalid arg#2",
+},
+
+{
+	.descr = "func proto (Bad arg name)",
+	.raw_types = {
+		BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),	/* [1] */
+		BTF_TYPE_INT_ENC(0, 0, 0, 32, 4),		/* [2] */
+		/* void (*)(int a, unsigned int !!!) */
+		BTF_FUNC_PROTO_ENC(0, 2),			/* [3] */
+			BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1),
+			BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 2),
+		BTF_END_RAW,
+	},
+	.str_sec = "\0a\0!!!",
+	.str_sec_size = sizeof("\0a\0!!!"),
+	.map_type = BPF_MAP_TYPE_ARRAY,
+	.map_name = "func_proto_type_check_btf",
+	.key_size = sizeof(int),
+	.value_size = sizeof(int),
+	.key_type_id = 1,
+	.value_type_id = 1,
+	.max_entries = 4,
+	.btf_load_err = true,
+	.err_str = "Invalid arg#2",
+},
+
+{
+	.descr = "func proto (Invalid return type)",
+	.raw_types = {
+		BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),	/* [1] */
+		BTF_TYPE_INT_ENC(0, 0, 0, 32, 4),		/* [2] */
+		/* <bad_ret_type> (*)(int, unsigned int) */
+		BTF_FUNC_PROTO_ENC(100, 2),			/* [3] */
+			BTF_FUNC_PROTO_ARG_ENC(0, 1),
+			BTF_FUNC_PROTO_ARG_ENC(0, 2),
+		BTF_END_RAW,
+	},
+	.str_sec = "",
+	.str_sec_size = sizeof(""),
+	.map_type = BPF_MAP_TYPE_ARRAY,
+	.map_name = "func_proto_type_check_btf",
+	.key_size = sizeof(int),
+	.value_size = sizeof(int),
+	.key_type_id = 1,
+	.value_type_id = 1,
+	.max_entries = 4,
+	.btf_load_err = true,
+	.err_str = "Invalid return type",
+},
+
+{
+	.descr = "func proto (with func name)",
+	.raw_types = {
+		BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),	/* [1] */
+		BTF_TYPE_INT_ENC(0, 0, 0, 32, 4),		/* [2] */
+		/* void func_proto(int, unsigned int) */
+		BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_FUNC_PROTO, 0, 2), 0),	/* [3] */
+			BTF_FUNC_PROTO_ARG_ENC(0, 1),
+			BTF_FUNC_PROTO_ARG_ENC(0, 2),
+		BTF_END_RAW,
+	},
+	.str_sec = "\0func_proto",
+	.str_sec_size = sizeof("\0func_proto"),
+	.map_type = BPF_MAP_TYPE_ARRAY,
+	.map_name = "func_proto_type_check_btf",
+	.key_size = sizeof(int),
+	.value_size = sizeof(int),
+	.key_type_id = 1,
+	.value_type_id = 1,
+	.max_entries = 4,
+	.btf_load_err = true,
+	.err_str = "Invalid name",
+},
+
+{
+	.descr = "func proto (const void arg)",
+	.raw_types = {
+		BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),	/* [1] */
+		BTF_TYPE_INT_ENC(0, 0, 0, 32, 4),		/* [2] */
+		/* void (*)(const void) */
+		BTF_FUNC_PROTO_ENC(0, 1),			/* [3] */
+			BTF_FUNC_PROTO_ARG_ENC(0, 4),
+		BTF_CONST_ENC(0),				/* [4] */
+		BTF_END_RAW,
+	},
+	.str_sec = "",
+	.str_sec_size = sizeof(""),
+	.map_type = BPF_MAP_TYPE_ARRAY,
+	.map_name = "func_proto_type_check_btf",
+	.key_size = sizeof(int),
+	.value_size = sizeof(int),
+	.key_type_id = 1,
+	.value_type_id = 1,
+	.max_entries = 4,
+	.btf_load_err = true,
+	.err_str = "Invalid arg#1",
+},
+
+{
+	.descr = "func (void func(int a, unsigned int b))",
+	.raw_types = {
+		BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),	/* [1] */
+		BTF_TYPE_INT_ENC(0, 0, 0, 32, 4),		/* [2] */
+		/* void (*)(int a, unsigned int b) */
+		BTF_FUNC_PROTO_ENC(0, 2),			/* [3] */
+			BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1),
+			BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 2),
+		/* void func(int a, unsigned int b) */
+		BTF_FUNC_ENC(NAME_TBD, 3),			/* [4] */
+		BTF_END_RAW,
+	},
+	.str_sec = "\0a\0b\0func",
+	.str_sec_size = sizeof("\0a\0b\0func"),
+	.map_type = BPF_MAP_TYPE_ARRAY,
+	.map_name = "func_type_check_btf",
+	.key_size = sizeof(int),
+	.value_size = sizeof(int),
+	.key_type_id = 1,
+	.value_type_id = 1,
+	.max_entries = 4,
+},
+
+{
+	.descr = "func (No func name)",
+	.raw_types = {
+		BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),	/* [1] */
+		BTF_TYPE_INT_ENC(0, 0, 0, 32, 4),		/* [2] */
+		/* void (*)(int a, unsigned int b) */
+		BTF_FUNC_PROTO_ENC(0, 2),			/* [3] */
+			BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1),
+			BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 2),
+		/* void <no_name>(int a, unsigned int b) */
+		BTF_FUNC_ENC(0, 3),				/* [4] */
+		BTF_END_RAW,
+	},
+	.str_sec = "\0a\0b",
+	.str_sec_size = sizeof("\0a\0b"),
+	.map_type = BPF_MAP_TYPE_ARRAY,
+	.map_name = "func_type_check_btf",
+	.key_size = sizeof(int),
+	.value_size = sizeof(int),
+	.key_type_id = 1,
+	.value_type_id = 1,
+	.max_entries = 4,
+	.btf_load_err = true,
+	.err_str = "Invalid name",
+},
+
+{
+	.descr = "func (Invalid func name)",
+	.raw_types = {
+		BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),	/* [1] */
+		BTF_TYPE_INT_ENC(0, 0, 0, 32, 4),		/* [2] */
+		/* void (*)(int a, unsigned int b) */
+		BTF_FUNC_PROTO_ENC(0, 2),			/* [3] */
+			BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1),
+			BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 2),
+		/* void !!!(int a, unsigned int b) */
+		BTF_FUNC_ENC(NAME_TBD, 3),			/* [4] */
+		BTF_END_RAW,
+	},
+	.str_sec = "\0a\0b\0!!!",
+	.str_sec_size = sizeof("\0a\0b\0!!!"),
+	.map_type = BPF_MAP_TYPE_ARRAY,
+	.map_name = "func_type_check_btf",
+	.key_size = sizeof(int),
+	.value_size = sizeof(int),
+	.key_type_id = 1,
+	.value_type_id = 1,
+	.max_entries = 4,
+	.btf_load_err = true,
+	.err_str = "Invalid name",
+},
+
+{
+	.descr = "func (Some arg has no name)",
+	.raw_types = {
+		BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),	/* [1] */
+		BTF_TYPE_INT_ENC(0, 0, 0, 32, 4),		/* [2] */
+		/* void (*)(int a, unsigned int) */
+		BTF_FUNC_PROTO_ENC(0, 2),			/* [3] */
+			BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1),
+			BTF_FUNC_PROTO_ARG_ENC(0, 2),
+		/* void func(int a, unsigned int) */
+		BTF_FUNC_ENC(NAME_TBD, 3),			/* [4] */
+		BTF_END_RAW,
+	},
+	.str_sec = "\0a\0func",
+	.str_sec_size = sizeof("\0a\0func"),
+	.map_type = BPF_MAP_TYPE_ARRAY,
+	.map_name = "func_type_check_btf",
+	.key_size = sizeof(int),
+	.value_size = sizeof(int),
+	.key_type_id = 1,
+	.value_type_id = 1,
+	.max_entries = 4,
+	.btf_load_err = true,
+	.err_str = "Invalid arg#2",
+},
+
+{
+	.descr = "func (Non zero vlen)",
+	.raw_types = {
+		BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),	/* [1] */
+		BTF_TYPE_INT_ENC(0, 0, 0, 32, 4),		/* [2] */
+		/* void (*)(int a, unsigned int b) */
+		BTF_FUNC_PROTO_ENC(0, 2),			/* [3] */
+			BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1),
+			BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 2),
+		/* void func(int a, unsigned int b) */
+		BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_FUNC, 0, 2), 3), 	/* [4] */
+		BTF_END_RAW,
+	},
+	.str_sec = "\0a\0b\0func",
+	.str_sec_size = sizeof("\0a\0b\0func"),
+	.map_type = BPF_MAP_TYPE_ARRAY,
+	.map_name = "func_type_check_btf",
+	.key_size = sizeof(int),
+	.value_size = sizeof(int),
+	.key_type_id = 1,
+	.value_type_id = 1,
+	.max_entries = 4,
+	.btf_load_err = true,
+	.err_str = "Invalid func linkage",
+},
+
+{
+	.descr = "func (Not referring to FUNC_PROTO)",
+	.raw_types = {
+		BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),	/* [1] */
+		BTF_FUNC_ENC(NAME_TBD, 1),			/* [2] */
+		BTF_END_RAW,
+	},
+	.str_sec = "\0func",
+	.str_sec_size = sizeof("\0func"),
+	.map_type = BPF_MAP_TYPE_ARRAY,
+	.map_name = "func_type_check_btf",
+	.key_size = sizeof(int),
+	.value_size = sizeof(int),
+	.key_type_id = 1,
+	.value_type_id = 1,
+	.max_entries = 4,
+	.btf_load_err = true,
+	.err_str = "Invalid type_id",
+},
+
+{
+	.descr = "invalid int kind_flag",
+	.raw_types = {
+		BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),		/* [1] */
+		BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_INT, 1, 0), 4),	/* [2] */
+		BTF_INT_ENC(0, 0, 32),
+		BTF_END_RAW,
+	},
+	BTF_STR_SEC(""),
+	.map_type = BPF_MAP_TYPE_ARRAY,
+	.map_name = "int_type_check_btf",
+	.key_size = sizeof(int),
+	.value_size = sizeof(int),
+	.key_type_id = 1,
+	.value_type_id = 1,
+	.max_entries = 4,
+	.btf_load_err = true,
+	.err_str = "Invalid btf_info kind_flag",
+},
+
+{
+	.descr = "invalid ptr kind_flag",
+	.raw_types = {
+		BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),		/* [1] */
+		BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_PTR, 1, 0), 1),	/* [2] */
+		BTF_END_RAW,
+	},
+	BTF_STR_SEC(""),
+	.map_type = BPF_MAP_TYPE_ARRAY,
+	.map_name = "ptr_type_check_btf",
+	.key_size = sizeof(int),
+	.value_size = sizeof(int),
+	.key_type_id = 1,
+	.value_type_id = 1,
+	.max_entries = 4,
+	.btf_load_err = true,
+	.err_str = "Invalid btf_info kind_flag",
+},
+
+{
+	.descr = "invalid array kind_flag",
+	.raw_types = {
+		BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),		/* [1] */
+		BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_ARRAY, 1, 0), 0),	/* [2] */
+		BTF_ARRAY_ENC(1, 1, 1),
+		BTF_END_RAW,
+	},
+	BTF_STR_SEC(""),
+	.map_type = BPF_MAP_TYPE_ARRAY,
+	.map_name = "array_type_check_btf",
+	.key_size = sizeof(int),
+	.value_size = sizeof(int),
+	.key_type_id = 1,
+	.value_type_id = 1,
+	.max_entries = 4,
+	.btf_load_err = true,
+	.err_str = "Invalid btf_info kind_flag",
+},
+
+{
+	.descr = "valid fwd kind_flag",
+	.raw_types = {
+		BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),		/* [1] */
+		BTF_TYPE_ENC(NAME_TBD,
+			     BTF_INFO_ENC(BTF_KIND_FWD, 1, 0), 0),	/* [2] */
+		BTF_END_RAW,
+	},
+	BTF_STR_SEC("\0A"),
+	.map_type = BPF_MAP_TYPE_ARRAY,
+	.map_name = "fwd_type_check_btf",
+	.key_size = sizeof(int),
+	.value_size = sizeof(int),
+	.key_type_id = 1,
+	.value_type_id = 1,
+	.max_entries = 4,
+},
+
+{
+	.descr = "invalid typedef kind_flag",
+	.raw_types = {
+		BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),		/* [1] */
+		BTF_TYPE_ENC(NAME_TBD,
+			     BTF_INFO_ENC(BTF_KIND_TYPEDEF, 1, 0), 1),	/* [2] */
+		BTF_END_RAW,
+	},
+	BTF_STR_SEC("\0A"),
+	.map_type = BPF_MAP_TYPE_ARRAY,
+	.map_name = "typedef_type_check_btf",
+	.key_size = sizeof(int),
+	.value_size = sizeof(int),
+	.key_type_id = 1,
+	.value_type_id = 1,
+	.max_entries = 4,
+	.btf_load_err = true,
+	.err_str = "Invalid btf_info kind_flag",
+},
+
+{
+	.descr = "invalid volatile kind_flag",
+	.raw_types = {
+		BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),			/* [1] */
+		BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_VOLATILE, 1, 0), 1),	/* [2] */
+		BTF_END_RAW,
+	},
+	BTF_STR_SEC(""),
+	.map_type = BPF_MAP_TYPE_ARRAY,
+	.map_name = "volatile_type_check_btf",
+	.key_size = sizeof(int),
+	.value_size = sizeof(int),
+	.key_type_id = 1,
+	.value_type_id = 1,
+	.max_entries = 4,
+	.btf_load_err = true,
+	.err_str = "Invalid btf_info kind_flag",
+},
+
+{
+	.descr = "invalid const kind_flag",
+	.raw_types = {
+		BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),		/* [1] */
+		BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_CONST, 1, 0), 1),	/* [2] */
+		BTF_END_RAW,
+	},
+	BTF_STR_SEC(""),
+	.map_type = BPF_MAP_TYPE_ARRAY,
+	.map_name = "const_type_check_btf",
+	.key_size = sizeof(int),
+	.value_size = sizeof(int),
+	.key_type_id = 1,
+	.value_type_id = 1,
+	.max_entries = 4,
+	.btf_load_err = true,
+	.err_str = "Invalid btf_info kind_flag",
+},
+
+{
+	.descr = "invalid restrict kind_flag",
+	.raw_types = {
+		BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),			/* [1] */
+		BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_RESTRICT, 1, 0), 1),	/* [2] */
+		BTF_END_RAW,
+	},
+	BTF_STR_SEC(""),
+	.map_type = BPF_MAP_TYPE_ARRAY,
+	.map_name = "restrict_type_check_btf",
+	.key_size = sizeof(int),
+	.value_size = sizeof(int),
+	.key_type_id = 1,
+	.value_type_id = 1,
+	.max_entries = 4,
+	.btf_load_err = true,
+	.err_str = "Invalid btf_info kind_flag",
+},
+
+{
+	.descr = "invalid func kind_flag",
+	.raw_types = {
+		BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),			/* [1] */
+		BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_FUNC_PROTO, 0, 0), 0),	/* [2] */
+		BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_FUNC, 1, 0), 2),	/* [3] */
+		BTF_END_RAW,
+	},
+	BTF_STR_SEC("\0A"),
+	.map_type = BPF_MAP_TYPE_ARRAY,
+	.map_name = "func_type_check_btf",
+	.key_size = sizeof(int),
+	.value_size = sizeof(int),
+	.key_type_id = 1,
+	.value_type_id = 1,
+	.max_entries = 4,
+	.btf_load_err = true,
+	.err_str = "Invalid btf_info kind_flag",
+},
+
+{
+	.descr = "invalid func_proto kind_flag",
+	.raw_types = {
+		BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),			/* [1] */
+		BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_FUNC_PROTO, 1, 0), 0),	/* [2] */
+		BTF_END_RAW,
+	},
+	BTF_STR_SEC(""),
+	.map_type = BPF_MAP_TYPE_ARRAY,
+	.map_name = "func_proto_type_check_btf",
+	.key_size = sizeof(int),
+	.value_size = sizeof(int),
+	.key_type_id = 1,
+	.value_type_id = 1,
+	.max_entries = 4,
+	.btf_load_err = true,
+	.err_str = "Invalid btf_info kind_flag",
+},
+
+{
+	.descr = "valid struct, kind_flag, bitfield_size = 0",
+	.raw_types = {
+		BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),			/* [1] */
+		BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_STRUCT, 1, 2), 8),	/* [2] */
+		BTF_MEMBER_ENC(NAME_TBD, 1, BTF_MEMBER_OFFSET(0, 0)),
+		BTF_MEMBER_ENC(NAME_TBD, 1, BTF_MEMBER_OFFSET(0, 32)),
+		BTF_END_RAW,
+	},
+	BTF_STR_SEC("\0A\0B"),
+	.map_type = BPF_MAP_TYPE_ARRAY,
+	.map_name = "struct_type_check_btf",
+	.key_size = sizeof(int),
+	.value_size = sizeof(int),
+	.key_type_id = 1,
+	.value_type_id = 1,
+	.max_entries = 4,
+},
+
+{
+	.descr = "valid struct, kind_flag, int member, bitfield_size != 0",
+	.raw_types = {
+		BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),			/* [1] */
+		BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_STRUCT, 1, 2), 4),	/* [2] */
+		BTF_MEMBER_ENC(NAME_TBD, 1, BTF_MEMBER_OFFSET(4, 0)),
+		BTF_MEMBER_ENC(NAME_TBD, 1, BTF_MEMBER_OFFSET(4, 4)),
+		BTF_END_RAW,
+	},
+	BTF_STR_SEC("\0A\0B"),
+	.map_type = BPF_MAP_TYPE_ARRAY,
+	.map_name = "struct_type_check_btf",
+	.key_size = sizeof(int),
+	.value_size = sizeof(int),
+	.key_type_id = 1,
+	.value_type_id = 1,
+	.max_entries = 4,
+},
+
+{
+	.descr = "valid union, kind_flag, int member, bitfield_size != 0",
+	.raw_types = {
+		BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),		/* [1] */
+		BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_UNION, 1, 2), 4),	/* [2] */
+		BTF_MEMBER_ENC(NAME_TBD, 1, BTF_MEMBER_OFFSET(4, 0)),
+		BTF_MEMBER_ENC(NAME_TBD, 1, BTF_MEMBER_OFFSET(4, 0)),
+		BTF_END_RAW,
+	},
+	BTF_STR_SEC("\0A\0B"),
+	.map_type = BPF_MAP_TYPE_ARRAY,
+	.map_name = "union_type_check_btf",
+	.key_size = sizeof(int),
+	.value_size = sizeof(int),
+	.key_type_id = 1,
+	.value_type_id = 1,
+	.max_entries = 4,
+},
+
+{
+	.descr = "valid struct, kind_flag, enum member, bitfield_size != 0",
+	.raw_types = {
+		BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),		/* [1] */
+		BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_ENUM, 0, 1), 4),	/* [2] */
+		BTF_ENUM_ENC(NAME_TBD, 0),
+		BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_STRUCT, 1, 2), 4),/* [3] */
+		BTF_MEMBER_ENC(NAME_TBD, 2, BTF_MEMBER_OFFSET(4, 0)),
+		BTF_MEMBER_ENC(NAME_TBD, 2, BTF_MEMBER_OFFSET(4, 4)),
+		BTF_END_RAW,
+	},
+	BTF_STR_SEC("\0A\0B\0C"),
+	.map_type = BPF_MAP_TYPE_ARRAY,
+	.map_name = "struct_type_check_btf",
+	.key_size = sizeof(int),
+	.value_size = sizeof(int),
+	.key_type_id = 1,
+	.value_type_id = 1,
+	.max_entries = 4,
+},
+
+{
+	.descr = "valid union, kind_flag, enum member, bitfield_size != 0",
+	.raw_types = {
+		BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),		/* [1] */
+		BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_ENUM, 0, 1), 4),	/* [2] */
+		BTF_ENUM_ENC(NAME_TBD, 0),
+		BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_UNION, 1, 2), 4),	/* [3] */
+		BTF_MEMBER_ENC(NAME_TBD, 2, BTF_MEMBER_OFFSET(4, 0)),
+		BTF_MEMBER_ENC(NAME_TBD, 2, BTF_MEMBER_OFFSET(4, 0)),
+		BTF_END_RAW,
+	},
+	BTF_STR_SEC("\0A\0B\0C"),
+	.map_type = BPF_MAP_TYPE_ARRAY,
+	.map_name = "union_type_check_btf",
+	.key_size = sizeof(int),
+	.value_size = sizeof(int),
+	.key_type_id = 1,
+	.value_type_id = 1,
+	.max_entries = 4,
+},
+
+{
+	.descr = "valid struct, kind_flag, typedef member, bitfield_size != 0",
+	.raw_types = {
+		BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),		/* [1] */
+		BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_ENUM, 0, 1), 4),	/* [2] */
+		BTF_ENUM_ENC(NAME_TBD, 0),
+		BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_STRUCT, 1, 2), 4),/* [3] */
+		BTF_MEMBER_ENC(NAME_TBD, 4, BTF_MEMBER_OFFSET(4, 0)),
+		BTF_MEMBER_ENC(NAME_TBD, 5, BTF_MEMBER_OFFSET(4, 4)),
+		BTF_TYPEDEF_ENC(NAME_TBD, 1),				/* [4] */
+		BTF_TYPEDEF_ENC(NAME_TBD, 2),				/* [5] */
+		BTF_END_RAW,
+	},
+	BTF_STR_SEC("\0A\0B\0C\0D\0E"),
+	.map_type = BPF_MAP_TYPE_ARRAY,
+	.map_name = "struct_type_check_btf",
+	.key_size = sizeof(int),
+	.value_size = sizeof(int),
+	.key_type_id = 1,
+	.value_type_id = 1,
+	.max_entries = 4,
+},
+
+{
+	.descr = "valid union, kind_flag, typedef member, bitfield_size != 0",
+	.raw_types = {
+		BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),		/* [1] */
+		BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_ENUM, 0, 1), 4),	/* [2] */
+		BTF_ENUM_ENC(NAME_TBD, 0),
+		BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_UNION, 1, 2), 4),	/* [3] */
+		BTF_MEMBER_ENC(NAME_TBD, 4, BTF_MEMBER_OFFSET(4, 0)),
+		BTF_MEMBER_ENC(NAME_TBD, 5, BTF_MEMBER_OFFSET(4, 0)),
+		BTF_TYPEDEF_ENC(NAME_TBD, 1),				/* [4] */
+		BTF_TYPEDEF_ENC(NAME_TBD, 2),				/* [5] */
+		BTF_END_RAW,
+	},
+	BTF_STR_SEC("\0A\0B\0C\0D\0E"),
+	.map_type = BPF_MAP_TYPE_ARRAY,
+	.map_name = "union_type_check_btf",
+	.key_size = sizeof(int),
+	.value_size = sizeof(int),
+	.key_type_id = 1,
+	.value_type_id = 1,
+	.max_entries = 4,
+},
+
+{
+	.descr = "invalid struct, kind_flag, bitfield_size greater than struct size",
+	.raw_types = {
+		BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),			/* [1] */
+		BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_STRUCT, 1, 2), 4),	/* [2] */
+		BTF_MEMBER_ENC(NAME_TBD, 1, BTF_MEMBER_OFFSET(20, 0)),
+		BTF_MEMBER_ENC(NAME_TBD, 1, BTF_MEMBER_OFFSET(20, 20)),
+		BTF_END_RAW,
+	},
+	BTF_STR_SEC("\0A\0B"),
+	.map_type = BPF_MAP_TYPE_ARRAY,
+	.map_name = "struct_type_check_btf",
+	.key_size = sizeof(int),
+	.value_size = sizeof(int),
+	.key_type_id = 1,
+	.value_type_id = 1,
+	.max_entries = 4,
+	.btf_load_err = true,
+	.err_str = "Member exceeds struct_size",
+},
+
+{
+	.descr = "invalid struct, kind_flag, bitfield base_type int not regular",
+	.raw_types = {
+		BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),			/* [1] */
+		BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 20, 4),			/* [2] */
+		BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_STRUCT, 1, 2), 4),	/* [3] */
+		BTF_MEMBER_ENC(NAME_TBD, 2, BTF_MEMBER_OFFSET(20, 0)),
+		BTF_MEMBER_ENC(NAME_TBD, 2, BTF_MEMBER_OFFSET(20, 20)),
+		BTF_END_RAW,
+	},
+	BTF_STR_SEC("\0A\0B"),
+	.map_type = BPF_MAP_TYPE_ARRAY,
+	.map_name = "struct_type_check_btf",
+	.key_size = sizeof(int),
+	.value_size = sizeof(int),
+	.key_type_id = 1,
+	.value_type_id = 1,
+	.max_entries = 4,
+	.btf_load_err = true,
+	.err_str = "Invalid member base type",
+},
+
+{
+	.descr = "invalid struct, kind_flag, base_type int not regular",
+	.raw_types = {
+		BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),			/* [1] */
+		BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 12, 4),			/* [2] */
+		BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_STRUCT, 1, 2), 4),	/* [3] */
+		BTF_MEMBER_ENC(NAME_TBD, 2, BTF_MEMBER_OFFSET(8, 0)),
+		BTF_MEMBER_ENC(NAME_TBD, 2, BTF_MEMBER_OFFSET(8, 8)),
+		BTF_END_RAW,
+	},
+	BTF_STR_SEC("\0A\0B"),
+	.map_type = BPF_MAP_TYPE_ARRAY,
+	.map_name = "struct_type_check_btf",
+	.key_size = sizeof(int),
+	.value_size = sizeof(int),
+	.key_type_id = 1,
+	.value_type_id = 1,
+	.max_entries = 4,
+	.btf_load_err = true,
+	.err_str = "Invalid member base type",
+},
+
+{
+	.descr = "invalid union, kind_flag, bitfield_size greater than struct size",
+	.raw_types = {
+		BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),		/* [1] */
+		BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_UNION, 1, 2), 2),	/* [2] */
+		BTF_MEMBER_ENC(NAME_TBD, 1, BTF_MEMBER_OFFSET(8, 0)),
+		BTF_MEMBER_ENC(NAME_TBD, 1, BTF_MEMBER_OFFSET(20, 0)),
+		BTF_END_RAW,
+	},
+	BTF_STR_SEC("\0A\0B"),
+	.map_type = BPF_MAP_TYPE_ARRAY,
+	.map_name = "union_type_check_btf",
+	.key_size = sizeof(int),
+	.value_size = sizeof(int),
+	.key_type_id = 1,
+	.value_type_id = 1,
+	.max_entries = 4,
+	.btf_load_err = true,
+	.err_str = "Member exceeds struct_size",
+},
+
+{
+	.descr = "invalid struct, kind_flag, int member, bitfield_size = 0, wrong byte alignment",
+	.raw_types = {
+		BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),			/* [1] */
+		BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),			/* [2] */
+		BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_STRUCT, 1, 2), 12),	/* [3] */
+		BTF_MEMBER_ENC(NAME_TBD, 2, BTF_MEMBER_OFFSET(0, 0)),
+		BTF_MEMBER_ENC(NAME_TBD, 2, BTF_MEMBER_OFFSET(0, 36)),
+		BTF_END_RAW,
+	},
+	BTF_STR_SEC("\0A\0B"),
+	.map_type = BPF_MAP_TYPE_ARRAY,
+	.map_name = "struct_type_check_btf",
+	.key_size = sizeof(int),
+	.value_size = sizeof(int),
+	.key_type_id = 1,
+	.value_type_id = 1,
+	.max_entries = 4,
+	.btf_load_err = true,
+	.err_str = "Invalid member offset",
+},
+
+{
+	.descr = "invalid struct, kind_flag, enum member, bitfield_size = 0, wrong byte alignment",
+	.raw_types = {
+		BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),			/* [1] */
+		BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),			/* [2] */
+		BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_ENUM, 0, 1), 4),	/* [2] */
+		BTF_ENUM_ENC(NAME_TBD, 0),
+		BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_STRUCT, 1, 2), 12),	/* [3] */
+		BTF_MEMBER_ENC(NAME_TBD, 2, BTF_MEMBER_OFFSET(0, 0)),
+		BTF_MEMBER_ENC(NAME_TBD, 2, BTF_MEMBER_OFFSET(0, 36)),
+		BTF_END_RAW,
+	},
+	BTF_STR_SEC("\0A\0B\0C"),
+	.map_type = BPF_MAP_TYPE_ARRAY,
+	.map_name = "struct_type_check_btf",
+	.key_size = sizeof(int),
+	.value_size = sizeof(int),
+	.key_type_id = 1,
+	.value_type_id = 1,
+	.max_entries = 4,
+	.btf_load_err = true,
+	.err_str = "Invalid member offset",
+},
+
+{
+	.descr = "128-bit int",
+	.raw_types = {
+		BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),			/* [1] */
+		BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 128, 16),		/* [2] */
+		BTF_END_RAW,
+	},
+	BTF_STR_SEC("\0A"),
+	.map_type = BPF_MAP_TYPE_ARRAY,
+	.map_name = "int_type_check_btf",
+	.key_size = sizeof(int),
+	.value_size = sizeof(int),
+	.key_type_id = 1,
+	.value_type_id = 1,
+	.max_entries = 4,
+},
+
+{
+	.descr = "struct, 128-bit int member",
+	.raw_types = {
+		BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),			/* [1] */
+		BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 128, 16),		/* [2] */
+		BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 1), 16),	/* [3] */
+		BTF_MEMBER_ENC(NAME_TBD, 2, 0),
+		BTF_END_RAW,
+	},
+	BTF_STR_SEC("\0A"),
+	.map_type = BPF_MAP_TYPE_ARRAY,
+	.map_name = "struct_type_check_btf",
+	.key_size = sizeof(int),
+	.value_size = sizeof(int),
+	.key_type_id = 1,
+	.value_type_id = 1,
+	.max_entries = 4,
+},
+
+{
+	.descr = "struct, 120-bit int member bitfield",
+	.raw_types = {
+		BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),			/* [1] */
+		BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 120, 16),		/* [2] */
+		BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 1), 16),	/* [3] */
+		BTF_MEMBER_ENC(NAME_TBD, 2, 0),
+		BTF_END_RAW,
+	},
+	BTF_STR_SEC("\0A"),
+	.map_type = BPF_MAP_TYPE_ARRAY,
+	.map_name = "struct_type_check_btf",
+	.key_size = sizeof(int),
+	.value_size = sizeof(int),
+	.key_type_id = 1,
+	.value_type_id = 1,
+	.max_entries = 4,
+},
+
+{
+	.descr = "struct, kind_flag, 128-bit int member",
+	.raw_types = {
+		BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),			/* [1] */
+		BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 128, 16),		/* [2] */
+		BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_STRUCT, 1, 1), 16),	/* [3] */
+		BTF_MEMBER_ENC(NAME_TBD, 2, BTF_MEMBER_OFFSET(0, 0)),
+		BTF_END_RAW,
+	},
+	BTF_STR_SEC("\0A"),
+	.map_type = BPF_MAP_TYPE_ARRAY,
+	.map_name = "struct_type_check_btf",
+	.key_size = sizeof(int),
+	.value_size = sizeof(int),
+	.key_type_id = 1,
+	.value_type_id = 1,
+	.max_entries = 4,
+},
+
+{
+	.descr = "struct, kind_flag, 120-bit int member bitfield",
+	.raw_types = {
+		BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),			/* [1] */
+		BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 128, 16),		/* [2] */
+		BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_STRUCT, 1, 1), 16),	/* [3] */
+		BTF_MEMBER_ENC(NAME_TBD, 2, BTF_MEMBER_OFFSET(120, 0)),
+		BTF_END_RAW,
+	},
+	BTF_STR_SEC("\0A"),
+	.map_type = BPF_MAP_TYPE_ARRAY,
+	.map_name = "struct_type_check_btf",
+	.key_size = sizeof(int),
+	.value_size = sizeof(int),
+	.key_type_id = 1,
+	.value_type_id = 1,
+	.max_entries = 4,
+},
+/*
+ * typedef int arr_t[16];
+ * struct s {
+ *	arr_t *a;
+ * };
+ */
+{
+	.descr = "struct->ptr->typedef->array->int size resolution",
+	.raw_types = {
+		BTF_STRUCT_ENC(NAME_TBD, 1, 8),			/* [1] */
+		BTF_MEMBER_ENC(NAME_TBD, 2, 0),
+		BTF_PTR_ENC(3),					/* [2] */
+		BTF_TYPEDEF_ENC(NAME_TBD, 4),			/* [3] */
+		BTF_TYPE_ARRAY_ENC(5, 5, 16),			/* [4] */
+		BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),	/* [5] */
+		BTF_END_RAW,
+	},
+	BTF_STR_SEC("\0s\0a\0arr_t"),
+	.map_type = BPF_MAP_TYPE_ARRAY,
+	.map_name = "ptr_mod_chain_size_resolve_map",
+	.key_size = sizeof(int),
+	.value_size = sizeof(int) * 16,
+	.key_type_id = 5 /* int */,
+	.value_type_id = 3 /* arr_t */,
+	.max_entries = 4,
+},
+/*
+ * typedef int arr_t[16][8][4];
+ * struct s {
+ *	arr_t *a;
+ * };
+ */
+{
+	.descr = "struct->ptr->typedef->multi-array->int size resolution",
+	.raw_types = {
+		BTF_STRUCT_ENC(NAME_TBD, 1, 8),			/* [1] */
+		BTF_MEMBER_ENC(NAME_TBD, 2, 0),
+		BTF_PTR_ENC(3),					/* [2] */
+		BTF_TYPEDEF_ENC(NAME_TBD, 4),			/* [3] */
+		BTF_TYPE_ARRAY_ENC(5, 7, 16),			/* [4] */
+		BTF_TYPE_ARRAY_ENC(6, 7, 8),			/* [5] */
+		BTF_TYPE_ARRAY_ENC(7, 7, 4),			/* [6] */
+		BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),	/* [7] */
+		BTF_END_RAW,
+	},
+	BTF_STR_SEC("\0s\0a\0arr_t"),
+	.map_type = BPF_MAP_TYPE_ARRAY,
+	.map_name = "multi_arr_size_resolve_map",
+	.key_size = sizeof(int),
+	.value_size = sizeof(int) * 16 * 8 * 4,
+	.key_type_id = 7 /* int */,
+	.value_type_id = 3 /* arr_t */,
+	.max_entries = 4,
+},
+/*
+ * typedef int int_t;
+ * typedef int_t arr3_t[4];
+ * typedef arr3_t arr2_t[8];
+ * typedef arr2_t arr1_t[16];
+ * struct s {
+ *	arr1_t *a;
+ * };
+ */
+{
+	.descr = "typedef/multi-arr mix size resolution",
+	.raw_types = {
+		BTF_STRUCT_ENC(NAME_TBD, 1, 8),			/* [1] */
+		BTF_MEMBER_ENC(NAME_TBD, 2, 0),
+		BTF_PTR_ENC(3),					/* [2] */
+		BTF_TYPEDEF_ENC(NAME_TBD, 4),			/* [3] */
+		BTF_TYPE_ARRAY_ENC(5, 10, 16),			/* [4] */
+		BTF_TYPEDEF_ENC(NAME_TBD, 6),			/* [5] */
+		BTF_TYPE_ARRAY_ENC(7, 10, 8),			/* [6] */
+		BTF_TYPEDEF_ENC(NAME_TBD, 8),			/* [7] */
+		BTF_TYPE_ARRAY_ENC(9, 10, 4),			/* [8] */
+		BTF_TYPEDEF_ENC(NAME_TBD, 10),			/* [9] */
+		BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),	/* [10] */
+		BTF_END_RAW,
+	},
+	BTF_STR_SEC("\0s\0a\0arr1_t\0arr2_t\0arr3_t\0int_t"),
+	.map_type = BPF_MAP_TYPE_ARRAY,
+	.map_name = "typedef_arra_mix_size_resolve_map",
+	.key_size = sizeof(int),
+	.value_size = sizeof(int) * 16 * 8 * 4,
+	.key_type_id = 10 /* int */,
+	.value_type_id = 3 /* arr_t */,
+	.max_entries = 4,
+},
+/*
+ * elf .rodata section size 4 and btf .rodata section vlen 0.
+ */
+{
+	.descr = "datasec: vlen == 0",
+	.raw_types = {
+		/* int */
+		BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),	/* [1] */
+		/* .rodata section */
+		BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_DATASEC, 0, 0), 4),
+								 /* [2] */
+		BTF_END_RAW,
+	},
+	BTF_STR_SEC("\0.rodata"),
+	.map_type = BPF_MAP_TYPE_ARRAY,
+	.key_size = sizeof(int),
+	.value_size = sizeof(int),
+	.key_type_id = 1,
+	.value_type_id = 1,
+	.max_entries = 1,
+},
+
+{
+	.descr = "float test #1, well-formed",
+	.raw_types = {
+		BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4),
+								/* [1] */
+		BTF_TYPE_FLOAT_ENC(NAME_TBD, 2),		/* [2] */
+		BTF_TYPE_FLOAT_ENC(NAME_TBD, 4),		/* [3] */
+		BTF_TYPE_FLOAT_ENC(NAME_TBD, 8),		/* [4] */
+		BTF_TYPE_FLOAT_ENC(NAME_TBD, 12),		/* [5] */
+		BTF_TYPE_FLOAT_ENC(NAME_TBD, 16),		/* [6] */
+		BTF_STRUCT_ENC(NAME_TBD, 5, 48),		/* [7] */
+		BTF_MEMBER_ENC(NAME_TBD, 2, 0),
+		BTF_MEMBER_ENC(NAME_TBD, 3, 32),
+		BTF_MEMBER_ENC(NAME_TBD, 4, 64),
+		BTF_MEMBER_ENC(NAME_TBD, 5, 128),
+		BTF_MEMBER_ENC(NAME_TBD, 6, 256),
+		BTF_END_RAW,
+	},
+	BTF_STR_SEC("\0int\0_Float16\0float\0double\0_Float80\0long_double"
+		    "\0floats\0a\0b\0c\0d\0e"),
+	.map_type = BPF_MAP_TYPE_ARRAY,
+	.map_name = "float_type_check_btf",
+	.key_size = sizeof(int),
+	.value_size = 48,
+	.key_type_id = 1,
+	.value_type_id = 7,
+	.max_entries = 1,
+},
+{
+	.descr = "float test #2, invalid vlen",
+	.raw_types = {
+		BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4),
+								/* [1] */
+		BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_FLOAT, 0, 1), 4),
+								/* [2] */
+		BTF_END_RAW,
+	},
+	BTF_STR_SEC("\0int\0float"),
+	.map_type = BPF_MAP_TYPE_ARRAY,
+	.map_name = "float_type_check_btf",
+	.key_size = sizeof(int),
+	.value_size = 4,
+	.key_type_id = 1,
+	.value_type_id = 2,
+	.max_entries = 1,
+	.btf_load_err = true,
+	.err_str = "vlen != 0",
+},
+{
+	.descr = "float test #3, invalid kind_flag",
+	.raw_types = {
+		BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4),
+								/* [1] */
+		BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_FLOAT, 1, 0), 4),
+								/* [2] */
+		BTF_END_RAW,
+	},
+	BTF_STR_SEC("\0int\0float"),
+	.map_type = BPF_MAP_TYPE_ARRAY,
+	.map_name = "float_type_check_btf",
+	.key_size = sizeof(int),
+	.value_size = 4,
+	.key_type_id = 1,
+	.value_type_id = 2,
+	.max_entries = 1,
+	.btf_load_err = true,
+	.err_str = "Invalid btf_info kind_flag",
+},
+{
+	.descr = "float test #4, member does not fit",
+	.raw_types = {
+		BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4),
+								/* [1] */
+		BTF_TYPE_FLOAT_ENC(NAME_TBD, 4),		/* [2] */
+		BTF_STRUCT_ENC(NAME_TBD, 1, 2),			/* [3] */
+		BTF_MEMBER_ENC(NAME_TBD, 2, 0),
+		BTF_END_RAW,
+	},
+	BTF_STR_SEC("\0int\0float\0floats\0x"),
+	.map_type = BPF_MAP_TYPE_ARRAY,
+	.map_name = "float_type_check_btf",
+	.key_size = sizeof(int),
+	.value_size = 4,
+	.key_type_id = 1,
+	.value_type_id = 3,
+	.max_entries = 1,
+	.btf_load_err = true,
+	.err_str = "Member exceeds struct_size",
+},
+{
+	.descr = "float test #5, member is not properly aligned",
+	.raw_types = {
+		BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4),
+								/* [1] */
+		BTF_TYPE_FLOAT_ENC(NAME_TBD, 4),		/* [2] */
+		BTF_STRUCT_ENC(NAME_TBD, 1, 8),			/* [3] */
+		BTF_MEMBER_ENC(NAME_TBD, 2, 8),
+		BTF_END_RAW,
+	},
+	BTF_STR_SEC("\0int\0float\0floats\0x"),
+	.map_type = BPF_MAP_TYPE_ARRAY,
+	.map_name = "float_type_check_btf",
+	.key_size = sizeof(int),
+	.value_size = 4,
+	.key_type_id = 1,
+	.value_type_id = 3,
+	.max_entries = 1,
+	.btf_load_err = true,
+	.err_str = "Member is not properly aligned",
+},
+{
+	.descr = "float test #6, invalid size",
+	.raw_types = {
+		BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4),
+								/* [1] */
+		BTF_TYPE_FLOAT_ENC(NAME_TBD, 6),		/* [2] */
+		BTF_END_RAW,
+	},
+	BTF_STR_SEC("\0int\0float"),
+	.map_type = BPF_MAP_TYPE_ARRAY,
+	.map_name = "float_type_check_btf",
+	.key_size = sizeof(int),
+	.value_size = 6,
+	.key_type_id = 1,
+	.value_type_id = 2,
+	.max_entries = 1,
+	.btf_load_err = true,
+	.err_str = "Invalid type_size",
+},
+
+{
+	.descr = "decl_tag test #1, struct/member, well-formed",
+	.raw_types = {
+		BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),	/* [1] */
+		BTF_STRUCT_ENC(0, 2, 8),			/* [2] */
+		BTF_MEMBER_ENC(NAME_TBD, 1, 0),
+		BTF_MEMBER_ENC(NAME_TBD, 1, 32),
+		BTF_DECL_TAG_ENC(NAME_TBD, 2, -1),
+		BTF_DECL_TAG_ENC(NAME_TBD, 2, 0),
+		BTF_DECL_TAG_ENC(NAME_TBD, 2, 1),
+		BTF_END_RAW,
+	},
+	BTF_STR_SEC("\0m1\0m2\0tag1\0tag2\0tag3"),
+	.map_type = BPF_MAP_TYPE_ARRAY,
+	.map_name = "tag_type_check_btf",
+	.key_size = sizeof(int),
+	.value_size = 8,
+	.key_type_id = 1,
+	.value_type_id = 2,
+	.max_entries = 1,
+},
+{
+	.descr = "decl_tag test #2, union/member, well-formed",
+	.raw_types = {
+		BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),	/* [1] */
+		BTF_UNION_ENC(NAME_TBD, 2, 4),			/* [2] */
+		BTF_MEMBER_ENC(NAME_TBD, 1, 0),
+		BTF_MEMBER_ENC(NAME_TBD, 1, 0),
+		BTF_DECL_TAG_ENC(NAME_TBD, 2, -1),
+		BTF_DECL_TAG_ENC(NAME_TBD, 2, 0),
+		BTF_DECL_TAG_ENC(NAME_TBD, 2, 1),
+		BTF_END_RAW,
+	},
+	BTF_STR_SEC("\0t\0m1\0m2\0tag1\0tag2\0tag3"),
+	.map_type = BPF_MAP_TYPE_ARRAY,
+	.map_name = "tag_type_check_btf",
+	.key_size = sizeof(int),
+	.value_size = 4,
+	.key_type_id = 1,
+	.value_type_id = 2,
+	.max_entries = 1,
+},
+{
+	.descr = "decl_tag test #3, variable, well-formed",
+	.raw_types = {
+		BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),	/* [1] */
+		BTF_VAR_ENC(NAME_TBD, 1, 0),			/* [2] */
+		BTF_VAR_ENC(NAME_TBD, 1, 1),			/* [3] */
+		BTF_DECL_TAG_ENC(NAME_TBD, 2, -1),
+		BTF_DECL_TAG_ENC(NAME_TBD, 3, -1),
+		BTF_END_RAW,
+	},
+	BTF_STR_SEC("\0local\0global\0tag1\0tag2"),
+	.map_type = BPF_MAP_TYPE_ARRAY,
+	.map_name = "tag_type_check_btf",
+	.key_size = sizeof(int),
+	.value_size = 4,
+	.key_type_id = 1,
+	.value_type_id = 1,
+	.max_entries = 1,
+},
+{
+	.descr = "decl_tag test #4, func/parameter, well-formed",
+	.raw_types = {
+		BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),	/* [1] */
+		BTF_FUNC_PROTO_ENC(0, 2),			/* [2] */
+			BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1),
+			BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1),
+		BTF_FUNC_ENC(NAME_TBD, 2),			/* [3] */
+		BTF_DECL_TAG_ENC(NAME_TBD, 3, -1),
+		BTF_DECL_TAG_ENC(NAME_TBD, 3, 0),
+		BTF_DECL_TAG_ENC(NAME_TBD, 3, 1),
+		BTF_END_RAW,
+	},
+	BTF_STR_SEC("\0arg1\0arg2\0f\0tag1\0tag2\0tag3"),
+	.map_type = BPF_MAP_TYPE_ARRAY,
+	.map_name = "tag_type_check_btf",
+	.key_size = sizeof(int),
+	.value_size = 4,
+	.key_type_id = 1,
+	.value_type_id = 1,
+	.max_entries = 1,
+},
+{
+	.descr = "decl_tag test #5, invalid value",
+	.raw_types = {
+		BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),	/* [1] */
+		BTF_VAR_ENC(NAME_TBD, 1, 0),			/* [2] */
+		BTF_DECL_TAG_ENC(0, 2, -1),
+		BTF_END_RAW,
+	},
+	BTF_STR_SEC("\0local\0tag"),
+	.map_type = BPF_MAP_TYPE_ARRAY,
+	.map_name = "tag_type_check_btf",
+	.key_size = sizeof(int),
+	.value_size = 4,
+	.key_type_id = 1,
+	.value_type_id = 1,
+	.max_entries = 1,
+	.btf_load_err = true,
+	.err_str = "Invalid value",
+},
+{
+	.descr = "decl_tag test #6, invalid target type",
+	.raw_types = {
+		BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),	/* [1] */
+		BTF_DECL_TAG_ENC(NAME_TBD, 1, -1),
+		BTF_END_RAW,
+	},
+	BTF_STR_SEC("\0tag1"),
+	.map_type = BPF_MAP_TYPE_ARRAY,
+	.map_name = "tag_type_check_btf",
+	.key_size = sizeof(int),
+	.value_size = 4,
+	.key_type_id = 1,
+	.value_type_id = 1,
+	.max_entries = 1,
+	.btf_load_err = true,
+	.err_str = "Invalid type",
+},
+{
+	.descr = "decl_tag test #7, invalid vlen",
+	.raw_types = {
+		BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),	/* [1] */
+		BTF_VAR_ENC(NAME_TBD, 1, 0),			/* [2] */
+		BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_DECL_TAG, 0, 1), 2), (0),
+		BTF_END_RAW,
+	},
+	BTF_STR_SEC("\0local\0tag1"),
+	.map_type = BPF_MAP_TYPE_ARRAY,
+	.map_name = "tag_type_check_btf",
+	.key_size = sizeof(int),
+	.value_size = 4,
+	.key_type_id = 1,
+	.value_type_id = 1,
+	.max_entries = 1,
+	.btf_load_err = true,
+	.err_str = "vlen != 0",
+},
+{
+	.descr = "decl_tag test #8, invalid kflag",
+	.raw_types = {
+		BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),	/* [1] */
+		BTF_VAR_ENC(NAME_TBD, 1, 0),			/* [2] */
+		BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_DECL_TAG, 1, 0), 2), (-1),
+		BTF_END_RAW,
+	},
+	BTF_STR_SEC("\0local\0tag1"),
+	.map_type = BPF_MAP_TYPE_ARRAY,
+	.map_name = "tag_type_check_btf",
+	.key_size = sizeof(int),
+	.value_size = 4,
+	.key_type_id = 1,
+	.value_type_id = 1,
+	.max_entries = 1,
+	.btf_load_err = true,
+	.err_str = "Invalid btf_info kind_flag",
+},
+{
+	.descr = "decl_tag test #9, var, invalid component_idx",
+	.raw_types = {
+		BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),	/* [1] */
+		BTF_VAR_ENC(NAME_TBD, 1, 0),			/* [2] */
+		BTF_DECL_TAG_ENC(NAME_TBD, 2, 0),
+		BTF_END_RAW,
+	},
+	BTF_STR_SEC("\0local\0tag"),
+	.map_type = BPF_MAP_TYPE_ARRAY,
+	.map_name = "tag_type_check_btf",
+	.key_size = sizeof(int),
+	.value_size = 4,
+	.key_type_id = 1,
+	.value_type_id = 1,
+	.max_entries = 1,
+	.btf_load_err = true,
+	.err_str = "Invalid component_idx",
+},
+{
+	.descr = "decl_tag test #10, struct member, invalid component_idx",
+	.raw_types = {
+		BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),	/* [1] */
+		BTF_STRUCT_ENC(0, 2, 8),			/* [2] */
+		BTF_MEMBER_ENC(NAME_TBD, 1, 0),
+		BTF_MEMBER_ENC(NAME_TBD, 1, 32),
+		BTF_DECL_TAG_ENC(NAME_TBD, 2, 2),
+		BTF_END_RAW,
+	},
+	BTF_STR_SEC("\0m1\0m2\0tag"),
+	.map_type = BPF_MAP_TYPE_ARRAY,
+	.map_name = "tag_type_check_btf",
+	.key_size = sizeof(int),
+	.value_size = 8,
+	.key_type_id = 1,
+	.value_type_id = 2,
+	.max_entries = 1,
+	.btf_load_err = true,
+	.err_str = "Invalid component_idx",
+},
+{
+	.descr = "decl_tag test #11, func parameter, invalid component_idx",
+	.raw_types = {
+		BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),	/* [1] */
+		BTF_FUNC_PROTO_ENC(0, 2),			/* [2] */
+			BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1),
+			BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1),
+		BTF_FUNC_ENC(NAME_TBD, 2),			/* [3] */
+		BTF_DECL_TAG_ENC(NAME_TBD, 3, 2),
+		BTF_END_RAW,
+	},
+	BTF_STR_SEC("\0arg1\0arg2\0f\0tag"),
+	.map_type = BPF_MAP_TYPE_ARRAY,
+	.map_name = "tag_type_check_btf",
+	.key_size = sizeof(int),
+	.value_size = 4,
+	.key_type_id = 1,
+	.value_type_id = 1,
+	.max_entries = 1,
+	.btf_load_err = true,
+	.err_str = "Invalid component_idx",
+},
+{
+	.descr = "decl_tag test #12, < -1 component_idx",
+	.raw_types = {
+		BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),	/* [1] */
+		BTF_FUNC_PROTO_ENC(0, 2),			/* [2] */
+			BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1),
+			BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1),
+		BTF_FUNC_ENC(NAME_TBD, 2),			/* [3] */
+		BTF_DECL_TAG_ENC(NAME_TBD, 3, -2),
+		BTF_END_RAW,
+	},
+	BTF_STR_SEC("\0arg1\0arg2\0f\0tag"),
+	.map_type = BPF_MAP_TYPE_ARRAY,
+	.map_name = "tag_type_check_btf",
+	.key_size = sizeof(int),
+	.value_size = 4,
+	.key_type_id = 1,
+	.value_type_id = 1,
+	.max_entries = 1,
+	.btf_load_err = true,
+	.err_str = "Invalid component_idx",
+},
+{
+	.descr = "decl_tag test #13, typedef, well-formed",
+	.raw_types = {
+		BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),	/* [1] */
+		BTF_TYPEDEF_ENC(NAME_TBD, 1),			/* [2] */
+		BTF_DECL_TAG_ENC(NAME_TBD, 2, -1),
+		BTF_END_RAW,
+	},
+	BTF_STR_SEC("\0t\0tag"),
+	.map_type = BPF_MAP_TYPE_ARRAY,
+	.map_name = "tag_type_check_btf",
+	.key_size = sizeof(int),
+	.value_size = 4,
+	.key_type_id = 1,
+	.value_type_id = 1,
+	.max_entries = 1,
+},
+{
+	.descr = "decl_tag test #14, typedef, invalid component_idx",
+	.raw_types = {
+		BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),	/* [1] */
+		BTF_TYPEDEF_ENC(NAME_TBD, 1),			/* [2] */
+		BTF_DECL_TAG_ENC(NAME_TBD, 2, 0),
+		BTF_END_RAW,
+	},
+	BTF_STR_SEC("\0local\0tag"),
+	.map_type = BPF_MAP_TYPE_ARRAY,
+	.map_name = "tag_type_check_btf",
+	.key_size = sizeof(int),
+	.value_size = 4,
+	.key_type_id = 1,
+	.value_type_id = 1,
+	.max_entries = 1,
+	.btf_load_err = true,
+	.err_str = "Invalid component_idx",
+},
+{
+	.descr = "decl_tag test #15, func, invalid func proto",
+	.raw_types = {
+		BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),	/* [1] */
+		BTF_DECL_TAG_ENC(NAME_TBD, 3, 0),		/* [2] */
+		BTF_FUNC_ENC(NAME_TBD, 8),			/* [3] */
+		BTF_END_RAW,
+	},
+	BTF_STR_SEC("\0tag\0func"),
+	.map_type = BPF_MAP_TYPE_ARRAY,
+	.map_name = "tag_type_check_btf",
+	.key_size = sizeof(int),
+	.value_size = 4,
+	.key_type_id = 1,
+	.value_type_id = 1,
+	.max_entries = 1,
+	.btf_load_err = true,
+	.err_str = "Invalid type_id",
+},
+{
+	.descr = "decl_tag test #16, func proto, return type",
+	.raw_types = {
+		BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),				/* [1] */
+		BTF_VAR_ENC(NAME_TBD, 1, 0),						/* [2] */
+		BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_DECL_TAG, 0, 0), 2), (-1),	/* [3] */
+		BTF_FUNC_PROTO_ENC(3, 0),						/* [4] */
+		BTF_END_RAW,
+	},
+	BTF_STR_SEC("\0local\0tag1"),
+	.btf_load_err = true,
+	.err_str = "Invalid return type",
+},
+{
+	.descr = "type_tag test #1",
+	.raw_types = {
+		BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),	/* [1] */
+		BTF_TYPE_TAG_ENC(NAME_TBD, 1),			/* [2] */
+		BTF_PTR_ENC(2),					/* [3] */
+		BTF_END_RAW,
+	},
+	BTF_STR_SEC("\0tag"),
+	.map_type = BPF_MAP_TYPE_ARRAY,
+	.map_name = "tag_type_check_btf",
+	.key_size = sizeof(int),
+	.value_size = 4,
+	.key_type_id = 1,
+	.value_type_id = 1,
+	.max_entries = 1,
+},
+{
+	.descr = "type_tag test #2, type tag order",
+	.raw_types = {
+		BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),	/* [1] */
+		BTF_CONST_ENC(3),				/* [2] */
+		BTF_TYPE_TAG_ENC(NAME_TBD, 1),			/* [3] */
+		BTF_END_RAW,
+	},
+	BTF_STR_SEC("\0tag"),
+	.map_type = BPF_MAP_TYPE_ARRAY,
+	.map_name = "tag_type_check_btf",
+	.key_size = sizeof(int),
+	.value_size = 4,
+	.key_type_id = 1,
+	.value_type_id = 1,
+	.max_entries = 1,
+	.btf_load_err = true,
+	.err_str = "Type tags don't precede modifiers",
+},
+{
+	.descr = "type_tag test #3, type tag order",
+	.raw_types = {
+		BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),	/* [1] */
+		BTF_TYPE_TAG_ENC(NAME_TBD, 3),			/* [2] */
+		BTF_CONST_ENC(4),				/* [3] */
+		BTF_TYPE_TAG_ENC(NAME_TBD, 1),			/* [4] */
+		BTF_END_RAW,
+	},
+	BTF_STR_SEC("\0tag\0tag"),
+	.map_type = BPF_MAP_TYPE_ARRAY,
+	.map_name = "tag_type_check_btf",
+	.key_size = sizeof(int),
+	.value_size = 4,
+	.key_type_id = 1,
+	.value_type_id = 1,
+	.max_entries = 1,
+	.btf_load_err = true,
+	.err_str = "Type tags don't precede modifiers",
+},
+{
+	.descr = "type_tag test #4, type tag order",
+	.raw_types = {
+		BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),	/* [1] */
+		BTF_TYPEDEF_ENC(NAME_TBD, 3),			/* [2] */
+		BTF_CONST_ENC(4),				/* [3] */
+		BTF_TYPE_TAG_ENC(NAME_TBD, 1),			/* [4] */
+		BTF_END_RAW,
+	},
+	BTF_STR_SEC("\0tag\0tag"),
+	.map_type = BPF_MAP_TYPE_ARRAY,
+	.map_name = "tag_type_check_btf",
+	.key_size = sizeof(int),
+	.value_size = 4,
+	.key_type_id = 1,
+	.value_type_id = 1,
+	.max_entries = 1,
+	.btf_load_err = true,
+	.err_str = "Type tags don't precede modifiers",
+},
+{
+	.descr = "type_tag test #5, type tag order",
+	.raw_types = {
+		BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),	/* [1] */
+		BTF_TYPE_TAG_ENC(NAME_TBD, 3),			/* [2] */
+		BTF_CONST_ENC(1),				/* [3] */
+		BTF_TYPE_TAG_ENC(NAME_TBD, 2),			/* [4] */
+		BTF_END_RAW,
+	},
+	BTF_STR_SEC("\0tag\0tag"),
+	.map_type = BPF_MAP_TYPE_ARRAY,
+	.map_name = "tag_type_check_btf",
+	.key_size = sizeof(int),
+	.value_size = 4,
+	.key_type_id = 1,
+	.value_type_id = 1,
+	.max_entries = 1,
+},
+{
+	.descr = "type_tag test #6, type tag order",
+	.raw_types = {
+		BTF_PTR_ENC(2),					/* [1] */
+		BTF_TYPE_TAG_ENC(NAME_TBD, 3),			/* [2] */
+		BTF_CONST_ENC(4),				/* [3] */
+		BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),  /* [4] */
+		BTF_PTR_ENC(6),					/* [5] */
+		BTF_CONST_ENC(2),				/* [6] */
+		BTF_END_RAW,
+	},
+	BTF_STR_SEC("\0tag"),
+	.map_type = BPF_MAP_TYPE_ARRAY,
+	.map_name = "tag_type_check_btf",
+	.key_size = sizeof(int),
+	.value_size = 4,
+	.key_type_id = 1,
+	.value_type_id = 1,
+	.max_entries = 1,
+	.btf_load_err = true,
+	.err_str = "Type tags don't precede modifiers",
+},
+{
+	.descr = "enum64 test #1, unsigned, size 8",
+	.raw_types = {
+		BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),			/* [1] */
+		BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_ENUM64, 0, 2), 8),	/* [2] */
+		BTF_ENUM64_ENC(NAME_TBD, 0, 0),
+		BTF_ENUM64_ENC(NAME_TBD, 1, 1),
+		BTF_END_RAW,
+	},
+	BTF_STR_SEC("\0a\0b\0c"),
+	.map_type = BPF_MAP_TYPE_ARRAY,
+	.map_name = "tag_type_check_btf",
+	.key_size = sizeof(int),
+	.value_size = 8,
+	.key_type_id = 1,
+	.value_type_id = 2,
+	.max_entries = 1,
+},
+{
+	.descr = "enum64 test #2, signed, size 4",
+	.raw_types = {
+		BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),			/* [1] */
+		BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_ENUM64, 1, 2), 4),	/* [2] */
+		BTF_ENUM64_ENC(NAME_TBD, -1, 0),
+		BTF_ENUM64_ENC(NAME_TBD, 1, 0),
+		BTF_END_RAW,
+	},
+	BTF_STR_SEC("\0a\0b\0c"),
+	.map_type = BPF_MAP_TYPE_ARRAY,
+	.map_name = "tag_type_check_btf",
+	.key_size = sizeof(int),
+	.value_size = 4,
+	.key_type_id = 1,
+	.value_type_id = 2,
+	.max_entries = 1,
+},
+
+}; /* struct btf_raw_test raw_tests[] */
+
+static const char *get_next_str(const char *start, const char *end)
+{
+	return start < end - 1 ? start + 1 : NULL;
+}
+
+static int get_raw_sec_size(const __u32 *raw_types)
+{
+	int i;
+
+	for (i = MAX_NR_RAW_U32 - 1;
+	     i >= 0 && raw_types[i] != BTF_END_RAW;
+	     i--)
+		;
+
+	return i < 0 ? i : i * sizeof(raw_types[0]);
+}
+
+static void *btf_raw_create(const struct btf_header *hdr,
+			    const __u32 *raw_types,
+			    const char *str,
+			    unsigned int str_sec_size,
+			    unsigned int *btf_size,
+			    const char **ret_next_str)
+{
+	const char *next_str = str, *end_str = str + str_sec_size;
+	const char **strs_idx = NULL, **tmp_strs_idx;
+	int strs_cap = 0, strs_cnt = 0, next_str_idx = 0;
+	unsigned int size_needed, offset;
+	struct btf_header *ret_hdr;
+	int i, type_sec_size, err = 0;
+	uint32_t *ret_types;
+	void *raw_btf = NULL;
+
+	type_sec_size = get_raw_sec_size(raw_types);
+	if (CHECK(type_sec_size < 0, "Cannot get nr_raw_types"))
+		return NULL;
+
+	size_needed = sizeof(*hdr) + type_sec_size + str_sec_size;
+	raw_btf = malloc(size_needed);
+	if (CHECK(!raw_btf, "Cannot allocate memory for raw_btf"))
+		return NULL;
+
+	/* Copy header */
+	memcpy(raw_btf, hdr, sizeof(*hdr));
+	offset = sizeof(*hdr);
+
+	/* Index strings */
+	while ((next_str = get_next_str(next_str, end_str))) {
+		if (strs_cnt == strs_cap) {
+			strs_cap += max(16, strs_cap / 2);
+			tmp_strs_idx = realloc(strs_idx,
+					       sizeof(*strs_idx) * strs_cap);
+			if (CHECK(!tmp_strs_idx,
+				  "Cannot allocate memory for strs_idx")) {
+				err = -1;
+				goto done;
+			}
+			strs_idx = tmp_strs_idx;
+		}
+		strs_idx[strs_cnt++] = next_str;
+		next_str += strlen(next_str);
+	}
+
+	/* Copy type section */
+	ret_types = raw_btf + offset;
+	for (i = 0; i < type_sec_size / sizeof(raw_types[0]); i++) {
+		if (raw_types[i] == NAME_TBD) {
+			if (CHECK(next_str_idx == strs_cnt,
+				  "Error in getting next_str #%d",
+				  next_str_idx)) {
+				err = -1;
+				goto done;
+			}
+			ret_types[i] = strs_idx[next_str_idx++] - str;
+		} else if (IS_NAME_NTH(raw_types[i])) {
+			int idx = GET_NAME_NTH_IDX(raw_types[i]);
+
+			if (CHECK(idx <= 0 || idx > strs_cnt,
+				  "Error getting string #%d, strs_cnt:%d",
+				  idx, strs_cnt)) {
+				err = -1;
+				goto done;
+			}
+			ret_types[i] = strs_idx[idx-1] - str;
+		} else {
+			ret_types[i] = raw_types[i];
+		}
+	}
+	offset += type_sec_size;
+
+	/* Copy string section */
+	memcpy(raw_btf + offset, str, str_sec_size);
+
+	ret_hdr = (struct btf_header *)raw_btf;
+	ret_hdr->type_len = type_sec_size;
+	ret_hdr->str_off = type_sec_size;
+	ret_hdr->str_len = str_sec_size;
+
+	*btf_size = size_needed;
+	if (ret_next_str)
+		*ret_next_str =
+			next_str_idx < strs_cnt ? strs_idx[next_str_idx] : NULL;
+
+done:
+	free(strs_idx);
+	if (err) {
+		free(raw_btf);
+		return NULL;
+	}
+	return raw_btf;
+}
+
+static int load_raw_btf(const void *raw_data, size_t raw_size)
+{
+	LIBBPF_OPTS(bpf_btf_load_opts, opts);
+	int btf_fd;
+
+	if (always_log) {
+		opts.log_buf = btf_log_buf,
+		opts.log_size = BTF_LOG_BUF_SIZE,
+		opts.log_level = 1;
+	}
+
+	btf_fd = bpf_btf_load(raw_data, raw_size, &opts);
+	if (btf_fd < 0 && !always_log) {
+		opts.log_buf = btf_log_buf,
+		opts.log_size = BTF_LOG_BUF_SIZE,
+		opts.log_level = 1;
+		btf_fd = bpf_btf_load(raw_data, raw_size, &opts);
+	}
+
+	return btf_fd;
+}
+
+static void do_test_raw(unsigned int test_num)
+{
+	struct btf_raw_test *test = &raw_tests[test_num - 1];
+	LIBBPF_OPTS(bpf_map_create_opts, opts);
+	int map_fd = -1, btf_fd = -1;
+	unsigned int raw_btf_size;
+	struct btf_header *hdr;
+	void *raw_btf;
+	int err;
+
+	if (!test__start_subtest(test->descr))
+		return;
+
+	raw_btf = btf_raw_create(&hdr_tmpl,
+				 test->raw_types,
+				 test->str_sec,
+				 test->str_sec_size,
+				 &raw_btf_size, NULL);
+	if (!raw_btf)
+		return;
+
+	hdr = raw_btf;
+
+	hdr->hdr_len = (int)hdr->hdr_len + test->hdr_len_delta;
+	hdr->type_off = (int)hdr->type_off + test->type_off_delta;
+	hdr->str_off = (int)hdr->str_off + test->str_off_delta;
+	hdr->str_len = (int)hdr->str_len + test->str_len_delta;
+
+	*btf_log_buf = '\0';
+	btf_fd = load_raw_btf(raw_btf, raw_btf_size);
+	free(raw_btf);
+
+	err = ((btf_fd < 0) != test->btf_load_err);
+	if (CHECK(err, "btf_fd:%d test->btf_load_err:%u",
+		  btf_fd, test->btf_load_err) ||
+	    CHECK(test->err_str && !strstr(btf_log_buf, test->err_str),
+		  "expected err_str:%s\n", test->err_str)) {
+		err = -1;
+		goto done;
+	}
+
+	if (err || btf_fd < 0)
+		goto done;
+
+	opts.btf_fd = btf_fd;
+	opts.btf_key_type_id = test->key_type_id;
+	opts.btf_value_type_id = test->value_type_id;
+	map_fd = bpf_map_create(test->map_type, test->map_name,
+				test->key_size, test->value_size, test->max_entries, &opts);
+
+	err = ((map_fd < 0) != test->map_create_err);
+	CHECK(err, "map_fd:%d test->map_create_err:%u",
+	      map_fd, test->map_create_err);
+
+done:
+	if (*btf_log_buf && (err || always_log))
+		fprintf(stderr, "\n%s", btf_log_buf);
+	if (btf_fd >= 0)
+		close(btf_fd);
+	if (map_fd >= 0)
+		close(map_fd);
+}
+
+struct btf_get_info_test {
+	const char *descr;
+	const char *str_sec;
+	__u32 raw_types[MAX_NR_RAW_U32];
+	__u32 str_sec_size;
+	int btf_size_delta;
+	int (*special_test)(unsigned int test_num);
+};
+
+static int test_big_btf_info(unsigned int test_num);
+static int test_btf_id(unsigned int test_num);
+
+const struct btf_get_info_test get_info_tests[] = {
+{
+	.descr = "== raw_btf_size+1",
+	.raw_types = {
+		/* int */				/* [1] */
+		BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),
+		BTF_END_RAW,
+	},
+	.str_sec = "",
+	.str_sec_size = sizeof(""),
+	.btf_size_delta = 1,
+},
+{
+	.descr = "== raw_btf_size-3",
+	.raw_types = {
+		/* int */				/* [1] */
+		BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),
+		BTF_END_RAW,
+	},
+	.str_sec = "",
+	.str_sec_size = sizeof(""),
+	.btf_size_delta = -3,
+},
+{
+	.descr = "Large bpf_btf_info",
+	.raw_types = {
+		/* int */				/* [1] */
+		BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),
+		BTF_END_RAW,
+	},
+	.str_sec = "",
+	.str_sec_size = sizeof(""),
+	.special_test = test_big_btf_info,
+},
+{
+	.descr = "BTF ID",
+	.raw_types = {
+		/* int */				/* [1] */
+		BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),
+		/* unsigned int */			/* [2] */
+		BTF_TYPE_INT_ENC(0, 0, 0, 32, 4),
+		BTF_END_RAW,
+	},
+	.str_sec = "",
+	.str_sec_size = sizeof(""),
+	.special_test = test_btf_id,
+},
+};
+
+static int test_big_btf_info(unsigned int test_num)
+{
+	const struct btf_get_info_test *test = &get_info_tests[test_num - 1];
+	uint8_t *raw_btf = NULL, *user_btf = NULL;
+	unsigned int raw_btf_size;
+	struct {
+		struct bpf_btf_info info;
+		uint64_t garbage;
+	} info_garbage;
+	struct bpf_btf_info *info;
+	int btf_fd = -1, err;
+	uint32_t info_len;
+
+	raw_btf = btf_raw_create(&hdr_tmpl,
+				 test->raw_types,
+				 test->str_sec,
+				 test->str_sec_size,
+				 &raw_btf_size, NULL);
+
+	if (!raw_btf)
+		return -1;
+
+	*btf_log_buf = '\0';
+
+	user_btf = malloc(raw_btf_size);
+	if (CHECK(!user_btf, "!user_btf")) {
+		err = -1;
+		goto done;
+	}
+
+	btf_fd = load_raw_btf(raw_btf, raw_btf_size);
+	if (CHECK(btf_fd < 0, "errno:%d", errno)) {
+		err = -1;
+		goto done;
+	}
+
+	/*
+	 * GET_INFO should error out if the userspace info
+	 * has non zero tailing bytes.
+	 */
+	info = &info_garbage.info;
+	memset(info, 0, sizeof(*info));
+	info_garbage.garbage = 0xdeadbeef;
+	info_len = sizeof(info_garbage);
+	info->btf = ptr_to_u64(user_btf);
+	info->btf_size = raw_btf_size;
+
+	err = bpf_obj_get_info_by_fd(btf_fd, info, &info_len);
+	if (CHECK(!err, "!err")) {
+		err = -1;
+		goto done;
+	}
+
+	/*
+	 * GET_INFO should succeed even info_len is larger than
+	 * the kernel supported as long as tailing bytes are zero.
+	 * The kernel supported info len should also be returned
+	 * to userspace.
+	 */
+	info_garbage.garbage = 0;
+	err = bpf_obj_get_info_by_fd(btf_fd, info, &info_len);
+	if (CHECK(err || info_len != sizeof(*info),
+		  "err:%d errno:%d info_len:%u sizeof(*info):%zu",
+		  err, errno, info_len, sizeof(*info))) {
+		err = -1;
+		goto done;
+	}
+
+	fprintf(stderr, "OK");
+
+done:
+	if (*btf_log_buf && (err || always_log))
+		fprintf(stderr, "\n%s", btf_log_buf);
+
+	free(raw_btf);
+	free(user_btf);
+
+	if (btf_fd >= 0)
+		close(btf_fd);
+
+	return err;
+}
+
+static int test_btf_id(unsigned int test_num)
+{
+	const struct btf_get_info_test *test = &get_info_tests[test_num - 1];
+	LIBBPF_OPTS(bpf_map_create_opts, opts);
+	uint8_t *raw_btf = NULL, *user_btf[2] = {};
+	int btf_fd[2] = {-1, -1}, map_fd = -1;
+	struct bpf_map_info map_info = {};
+	struct bpf_btf_info info[2] = {};
+	unsigned int raw_btf_size;
+	uint32_t info_len;
+	int err, i, ret;
+
+	raw_btf = btf_raw_create(&hdr_tmpl,
+				 test->raw_types,
+				 test->str_sec,
+				 test->str_sec_size,
+				 &raw_btf_size, NULL);
+
+	if (!raw_btf)
+		return -1;
+
+	*btf_log_buf = '\0';
+
+	for (i = 0; i < 2; i++) {
+		user_btf[i] = malloc(raw_btf_size);
+		if (CHECK(!user_btf[i], "!user_btf[%d]", i)) {
+			err = -1;
+			goto done;
+		}
+		info[i].btf = ptr_to_u64(user_btf[i]);
+		info[i].btf_size = raw_btf_size;
+	}
+
+	btf_fd[0] = load_raw_btf(raw_btf, raw_btf_size);
+	if (CHECK(btf_fd[0] < 0, "errno:%d", errno)) {
+		err = -1;
+		goto done;
+	}
+
+	/* Test BPF_OBJ_GET_INFO_BY_ID on btf_id */
+	info_len = sizeof(info[0]);
+	err = bpf_obj_get_info_by_fd(btf_fd[0], &info[0], &info_len);
+	if (CHECK(err, "errno:%d", errno)) {
+		err = -1;
+		goto done;
+	}
+
+	btf_fd[1] = bpf_btf_get_fd_by_id(info[0].id);
+	if (CHECK(btf_fd[1] < 0, "errno:%d", errno)) {
+		err = -1;
+		goto done;
+	}
+
+	ret = 0;
+	err = bpf_obj_get_info_by_fd(btf_fd[1], &info[1], &info_len);
+	if (CHECK(err || info[0].id != info[1].id ||
+		  info[0].btf_size != info[1].btf_size ||
+		  (ret = memcmp(user_btf[0], user_btf[1], info[0].btf_size)),
+		  "err:%d errno:%d id0:%u id1:%u btf_size0:%u btf_size1:%u memcmp:%d",
+		  err, errno, info[0].id, info[1].id,
+		  info[0].btf_size, info[1].btf_size, ret)) {
+		err = -1;
+		goto done;
+	}
+
+	/* Test btf members in struct bpf_map_info */
+	opts.btf_fd = btf_fd[0];
+	opts.btf_key_type_id = 1;
+	opts.btf_value_type_id = 2;
+	map_fd = bpf_map_create(BPF_MAP_TYPE_ARRAY, "test_btf_id",
+				sizeof(int), sizeof(int), 4, &opts);
+	if (CHECK(map_fd < 0, "errno:%d", errno)) {
+		err = -1;
+		goto done;
+	}
+
+	info_len = sizeof(map_info);
+	err = bpf_obj_get_info_by_fd(map_fd, &map_info, &info_len);
+	if (CHECK(err || map_info.btf_id != info[0].id ||
+		  map_info.btf_key_type_id != 1 || map_info.btf_value_type_id != 2,
+		  "err:%d errno:%d info.id:%u btf_id:%u btf_key_type_id:%u btf_value_type_id:%u",
+		  err, errno, info[0].id, map_info.btf_id, map_info.btf_key_type_id,
+		  map_info.btf_value_type_id)) {
+		err = -1;
+		goto done;
+	}
+
+	for (i = 0; i < 2; i++) {
+		close(btf_fd[i]);
+		btf_fd[i] = -1;
+	}
+
+	/* Test BTF ID is removed from the kernel */
+	btf_fd[0] = bpf_btf_get_fd_by_id(map_info.btf_id);
+	if (CHECK(btf_fd[0] < 0, "errno:%d", errno)) {
+		err = -1;
+		goto done;
+	}
+	close(btf_fd[0]);
+	btf_fd[0] = -1;
+
+	/* The map holds the last ref to BTF and its btf_id */
+	close(map_fd);
+	map_fd = -1;
+	btf_fd[0] = bpf_btf_get_fd_by_id(map_info.btf_id);
+	if (CHECK(btf_fd[0] >= 0, "BTF lingers")) {
+		err = -1;
+		goto done;
+	}
+
+	fprintf(stderr, "OK");
+
+done:
+	if (*btf_log_buf && (err || always_log))
+		fprintf(stderr, "\n%s", btf_log_buf);
+
+	free(raw_btf);
+	if (map_fd >= 0)
+		close(map_fd);
+	for (i = 0; i < 2; i++) {
+		free(user_btf[i]);
+		if (btf_fd[i] >= 0)
+			close(btf_fd[i]);
+	}
+
+	return err;
+}
+
+static void do_test_get_info(unsigned int test_num)
+{
+	const struct btf_get_info_test *test = &get_info_tests[test_num - 1];
+	unsigned int raw_btf_size, user_btf_size, expected_nbytes;
+	uint8_t *raw_btf = NULL, *user_btf = NULL;
+	struct bpf_btf_info info = {};
+	int btf_fd = -1, err, ret;
+	uint32_t info_len;
+
+	if (!test__start_subtest(test->descr))
+		return;
+
+	if (test->special_test) {
+		err = test->special_test(test_num);
+		if (CHECK(err, "failed: %d\n", err))
+			return;
+	}
+
+	raw_btf = btf_raw_create(&hdr_tmpl,
+				 test->raw_types,
+				 test->str_sec,
+				 test->str_sec_size,
+				 &raw_btf_size, NULL);
+
+	if (!raw_btf)
+		return;
+
+	*btf_log_buf = '\0';
+
+	user_btf = malloc(raw_btf_size);
+	if (CHECK(!user_btf, "!user_btf")) {
+		err = -1;
+		goto done;
+	}
+
+	btf_fd = load_raw_btf(raw_btf, raw_btf_size);
+	if (CHECK(btf_fd <= 0, "errno:%d", errno)) {
+		err = -1;
+		goto done;
+	}
+
+	user_btf_size = (int)raw_btf_size + test->btf_size_delta;
+	expected_nbytes = min(raw_btf_size, user_btf_size);
+	if (raw_btf_size > expected_nbytes)
+		memset(user_btf + expected_nbytes, 0xff,
+		       raw_btf_size - expected_nbytes);
+
+	info_len = sizeof(info);
+	info.btf = ptr_to_u64(user_btf);
+	info.btf_size = user_btf_size;
+
+	ret = 0;
+	err = bpf_obj_get_info_by_fd(btf_fd, &info, &info_len);
+	if (CHECK(err || !info.id || info_len != sizeof(info) ||
+		  info.btf_size != raw_btf_size ||
+		  (ret = memcmp(raw_btf, user_btf, expected_nbytes)),
+		  "err:%d errno:%d info.id:%u info_len:%u sizeof(info):%zu raw_btf_size:%u info.btf_size:%u expected_nbytes:%u memcmp:%d",
+		  err, errno, info.id, info_len, sizeof(info),
+		  raw_btf_size, info.btf_size, expected_nbytes, ret)) {
+		err = -1;
+		goto done;
+	}
+
+	while (expected_nbytes < raw_btf_size) {
+		fprintf(stderr, "%u...", expected_nbytes);
+		if (CHECK(user_btf[expected_nbytes++] != 0xff,
+			  "user_btf[%u]:%x != 0xff", expected_nbytes - 1,
+			  user_btf[expected_nbytes - 1])) {
+			err = -1;
+			goto done;
+		}
+	}
+
+	fprintf(stderr, "OK");
+
+done:
+	if (*btf_log_buf && (err || always_log))
+		fprintf(stderr, "\n%s", btf_log_buf);
+
+	free(raw_btf);
+	free(user_btf);
+
+	if (btf_fd >= 0)
+		close(btf_fd);
+}
+
+struct btf_file_test {
+	const char *file;
+	bool btf_kv_notfound;
+};
+
+static struct btf_file_test file_tests[] = {
+	{ .file = "test_btf_newkv.bpf.o", },
+	{ .file = "test_btf_nokv.bpf.o", .btf_kv_notfound = true, },
+};
+
+static void do_test_file(unsigned int test_num)
+{
+	const struct btf_file_test *test = &file_tests[test_num - 1];
+	const char *expected_fnames[] = {"_dummy_tracepoint",
+					 "test_long_fname_1",
+					 "test_long_fname_2"};
+	struct btf_ext *btf_ext = NULL;
+	struct bpf_prog_info info = {};
+	struct bpf_object *obj = NULL;
+	struct bpf_func_info *finfo;
+	struct bpf_program *prog;
+	__u32 info_len, rec_size;
+	bool has_btf_ext = false;
+	struct btf *btf = NULL;
+	void *func_info = NULL;
+	struct bpf_map *map;
+	int i, err, prog_fd;
+
+	if (!test__start_subtest(test->file))
+		return;
+
+	btf = btf__parse_elf(test->file, &btf_ext);
+	err = libbpf_get_error(btf);
+	if (err) {
+		if (err == -ENOENT) {
+			printf("%s:SKIP: No ELF %s found", __func__, BTF_ELF_SEC);
+			test__skip();
+			return;
+		}
+		return;
+	}
+	btf__free(btf);
+
+	has_btf_ext = btf_ext != NULL;
+	btf_ext__free(btf_ext);
+
+	/* temporary disable LIBBPF_STRICT_MAP_DEFINITIONS to test legacy maps */
+	libbpf_set_strict_mode(LIBBPF_STRICT_ALL & ~LIBBPF_STRICT_MAP_DEFINITIONS);
+	obj = bpf_object__open(test->file);
+	err = libbpf_get_error(obj);
+	if (CHECK(err, "obj: %d", err))
+		return;
+
+	prog = bpf_object__next_program(obj, NULL);
+	if (CHECK(!prog, "Cannot find bpf_prog")) {
+		err = -1;
+		goto done;
+	}
+
+	bpf_program__set_type(prog, BPF_PROG_TYPE_TRACEPOINT);
+	err = bpf_object__load(obj);
+	if (CHECK(err < 0, "bpf_object__load: %d", err))
+		goto done;
+	prog_fd = bpf_program__fd(prog);
+
+	map = bpf_object__find_map_by_name(obj, "btf_map");
+	if (CHECK(!map, "btf_map not found")) {
+		err = -1;
+		goto done;
+	}
+
+	err = (bpf_map__btf_key_type_id(map) == 0 || bpf_map__btf_value_type_id(map) == 0)
+		!= test->btf_kv_notfound;
+	if (CHECK(err, "btf_key_type_id:%u btf_value_type_id:%u test->btf_kv_notfound:%u",
+		  bpf_map__btf_key_type_id(map), bpf_map__btf_value_type_id(map),
+		  test->btf_kv_notfound))
+		goto done;
+
+	if (!has_btf_ext)
+		goto skip;
+
+	/* get necessary program info */
+	info_len = sizeof(struct bpf_prog_info);
+	err = bpf_obj_get_info_by_fd(prog_fd, &info, &info_len);
+
+	if (CHECK(err < 0, "invalid get info (1st) errno:%d", errno)) {
+		fprintf(stderr, "%s\n", btf_log_buf);
+		err = -1;
+		goto done;
+	}
+	if (CHECK(info.nr_func_info != 3,
+		  "incorrect info.nr_func_info (1st) %d",
+		  info.nr_func_info)) {
+		err = -1;
+		goto done;
+	}
+	rec_size = info.func_info_rec_size;
+	if (CHECK(rec_size != sizeof(struct bpf_func_info),
+		  "incorrect info.func_info_rec_size (1st) %d\n", rec_size)) {
+		err = -1;
+		goto done;
+	}
+
+	func_info = malloc(info.nr_func_info * rec_size);
+	if (CHECK(!func_info, "out of memory")) {
+		err = -1;
+		goto done;
+	}
+
+	/* reset info to only retrieve func_info related data */
+	memset(&info, 0, sizeof(info));
+	info.nr_func_info = 3;
+	info.func_info_rec_size = rec_size;
+	info.func_info = ptr_to_u64(func_info);
+
+	err = bpf_obj_get_info_by_fd(prog_fd, &info, &info_len);
+
+	if (CHECK(err < 0, "invalid get info (2nd) errno:%d", errno)) {
+		fprintf(stderr, "%s\n", btf_log_buf);
+		err = -1;
+		goto done;
+	}
+	if (CHECK(info.nr_func_info != 3,
+		  "incorrect info.nr_func_info (2nd) %d",
+		  info.nr_func_info)) {
+		err = -1;
+		goto done;
+	}
+	if (CHECK(info.func_info_rec_size != rec_size,
+		  "incorrect info.func_info_rec_size (2nd) %d",
+		  info.func_info_rec_size)) {
+		err = -1;
+		goto done;
+	}
+
+	btf = btf__load_from_kernel_by_id(info.btf_id);
+	err = libbpf_get_error(btf);
+	if (CHECK(err, "cannot get btf from kernel, err: %d", err))
+		goto done;
+
+	/* check three functions */
+	finfo = func_info;
+	for (i = 0; i < 3; i++) {
+		const struct btf_type *t;
+		const char *fname;
+
+		t = btf__type_by_id(btf, finfo->type_id);
+		if (CHECK(!t, "btf__type_by_id failure: id %u",
+			  finfo->type_id)) {
+			err = -1;
+			goto done;
+		}
+
+		fname = btf__name_by_offset(btf, t->name_off);
+		err = strcmp(fname, expected_fnames[i]);
+		/* for the second and third functions in .text section,
+		 * the compiler may order them either way.
+		 */
+		if (i && err)
+			err = strcmp(fname, expected_fnames[3 - i]);
+		if (CHECK(err, "incorrect fname %s", fname ? : "")) {
+			err = -1;
+			goto done;
+		}
+
+		finfo = (void *)finfo + rec_size;
+	}
+
+skip:
+	fprintf(stderr, "OK");
+
+done:
+	libbpf_set_strict_mode(LIBBPF_STRICT_ALL);
+
+	btf__free(btf);
+	free(func_info);
+	bpf_object__close(obj);
+}
+
+const char *pprint_enum_str[] = {
+	"ENUM_ZERO",
+	"ENUM_ONE",
+	"ENUM_TWO",
+	"ENUM_THREE",
+};
+
+struct pprint_mapv {
+	uint32_t ui32;
+	uint16_t ui16;
+	/* 2 bytes hole */
+	int32_t si32;
+	uint32_t unused_bits2a:2,
+		bits28:28,
+		unused_bits2b:2;
+	union {
+		uint64_t ui64;
+		uint8_t ui8a[8];
+	};
+	enum {
+		ENUM_ZERO,
+		ENUM_ONE,
+		ENUM_TWO,
+		ENUM_THREE,
+	} aenum;
+	uint32_t ui32b;
+	uint32_t bits2c:2;
+	uint8_t si8_4[2][2];
+};
+
+#ifdef __SIZEOF_INT128__
+struct pprint_mapv_int128 {
+	__int128 si128a;
+	__int128 si128b;
+	unsigned __int128 bits3:3;
+	unsigned __int128 bits80:80;
+	unsigned __int128 ui128;
+};
+#endif
+
+static struct btf_raw_test pprint_test_template[] = {
+{
+	.raw_types = {
+		/* unsighed char */			/* [1] */
+		BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 8, 1),
+		/* unsigned short */			/* [2] */
+		BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 16, 2),
+		/* unsigned int */			/* [3] */
+		BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 32, 4),
+		/* int */				/* [4] */
+		BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4),
+		/* unsigned long long */		/* [5] */
+		BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 64, 8),
+		/* 2 bits */				/* [6] */
+		BTF_TYPE_INT_ENC(0, 0, 0, 2, 2),
+		/* 28 bits */				/* [7] */
+		BTF_TYPE_INT_ENC(0, 0, 0, 28, 4),
+		/* uint8_t[8] */			/* [8] */
+		BTF_TYPE_ARRAY_ENC(9, 1, 8),
+		/* typedef unsigned char uint8_t */	/* [9] */
+		BTF_TYPEDEF_ENC(NAME_TBD, 1),
+		/* typedef unsigned short uint16_t */	/* [10] */
+		BTF_TYPEDEF_ENC(NAME_TBD, 2),
+		/* typedef unsigned int uint32_t */	/* [11] */
+		BTF_TYPEDEF_ENC(NAME_TBD, 3),
+		/* typedef int int32_t */		/* [12] */
+		BTF_TYPEDEF_ENC(NAME_TBD, 4),
+		/* typedef unsigned long long uint64_t *//* [13] */
+		BTF_TYPEDEF_ENC(NAME_TBD, 5),
+		/* union (anon) */			/* [14] */
+		BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_UNION, 0, 2), 8),
+		BTF_MEMBER_ENC(NAME_TBD, 13, 0),/* uint64_t ui64; */
+		BTF_MEMBER_ENC(NAME_TBD, 8, 0),	/* uint8_t ui8a[8]; */
+		/* enum (anon) */			/* [15] */
+		BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_ENUM, 0, 4), 4),
+		BTF_ENUM_ENC(NAME_TBD, 0),
+		BTF_ENUM_ENC(NAME_TBD, 1),
+		BTF_ENUM_ENC(NAME_TBD, 2),
+		BTF_ENUM_ENC(NAME_TBD, 3),
+		/* struct pprint_mapv */		/* [16] */
+		BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 11), 40),
+		BTF_MEMBER_ENC(NAME_TBD, 11, 0),	/* uint32_t ui32 */
+		BTF_MEMBER_ENC(NAME_TBD, 10, 32),	/* uint16_t ui16 */
+		BTF_MEMBER_ENC(NAME_TBD, 12, 64),	/* int32_t si32 */
+		BTF_MEMBER_ENC(NAME_TBD, 6, 96),	/* unused_bits2a */
+		BTF_MEMBER_ENC(NAME_TBD, 7, 98),	/* bits28 */
+		BTF_MEMBER_ENC(NAME_TBD, 6, 126),	/* unused_bits2b */
+		BTF_MEMBER_ENC(0, 14, 128),		/* union (anon) */
+		BTF_MEMBER_ENC(NAME_TBD, 15, 192),	/* aenum */
+		BTF_MEMBER_ENC(NAME_TBD, 11, 224),	/* uint32_t ui32b */
+		BTF_MEMBER_ENC(NAME_TBD, 6, 256),	/* bits2c */
+		BTF_MEMBER_ENC(NAME_TBD, 17, 264),	/* si8_4 */
+		BTF_TYPE_ARRAY_ENC(18, 1, 2),		/* [17] */
+		BTF_TYPE_ARRAY_ENC(1, 1, 2),		/* [18] */
+		BTF_END_RAW,
+	},
+	BTF_STR_SEC("\0unsigned char\0unsigned short\0unsigned int\0int\0unsigned long long\0uint8_t\0uint16_t\0uint32_t\0int32_t\0uint64_t\0ui64\0ui8a\0ENUM_ZERO\0ENUM_ONE\0ENUM_TWO\0ENUM_THREE\0pprint_mapv\0ui32\0ui16\0si32\0unused_bits2a\0bits28\0unused_bits2b\0aenum\0ui32b\0bits2c\0si8_4"),
+	.key_size = sizeof(unsigned int),
+	.value_size = sizeof(struct pprint_mapv),
+	.key_type_id = 3,	/* unsigned int */
+	.value_type_id = 16,	/* struct pprint_mapv */
+	.max_entries = 128,
+},
+
+{
+	/* this type will have the same type as the
+	 * first .raw_types definition, but struct type will
+	 * be encoded with kind_flag set.
+	 */
+	.raw_types = {
+		/* unsighed char */			/* [1] */
+		BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 8, 1),
+		/* unsigned short */			/* [2] */
+		BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 16, 2),
+		/* unsigned int */			/* [3] */
+		BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 32, 4),
+		/* int */				/* [4] */
+		BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4),
+		/* unsigned long long */		/* [5] */
+		BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 64, 8),
+		BTF_TYPE_INT_ENC(0, 0, 0, 32, 4),	/* [6] */
+		BTF_TYPE_INT_ENC(0, 0, 0, 32, 4),	/* [7] */
+		/* uint8_t[8] */			/* [8] */
+		BTF_TYPE_ARRAY_ENC(9, 1, 8),
+		/* typedef unsigned char uint8_t */	/* [9] */
+		BTF_TYPEDEF_ENC(NAME_TBD, 1),
+		/* typedef unsigned short uint16_t */	/* [10] */
+		BTF_TYPEDEF_ENC(NAME_TBD, 2),
+		/* typedef unsigned int uint32_t */	/* [11] */
+		BTF_TYPEDEF_ENC(NAME_TBD, 3),
+		/* typedef int int32_t */		/* [12] */
+		BTF_TYPEDEF_ENC(NAME_TBD, 4),
+		/* typedef unsigned long long uint64_t *//* [13] */
+		BTF_TYPEDEF_ENC(NAME_TBD, 5),
+		/* union (anon) */			/* [14] */
+		BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_UNION, 0, 2), 8),
+		BTF_MEMBER_ENC(NAME_TBD, 13, 0),/* uint64_t ui64; */
+		BTF_MEMBER_ENC(NAME_TBD, 8, 0),	/* uint8_t ui8a[8]; */
+		/* enum (anon) */			/* [15] */
+		BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_ENUM, 0, 4), 4),
+		BTF_ENUM_ENC(NAME_TBD, 0),
+		BTF_ENUM_ENC(NAME_TBD, 1),
+		BTF_ENUM_ENC(NAME_TBD, 2),
+		BTF_ENUM_ENC(NAME_TBD, 3),
+		/* struct pprint_mapv */		/* [16] */
+		BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 1, 11), 40),
+		BTF_MEMBER_ENC(NAME_TBD, 11, BTF_MEMBER_OFFSET(0, 0)),	/* uint32_t ui32 */
+		BTF_MEMBER_ENC(NAME_TBD, 10, BTF_MEMBER_OFFSET(0, 32)),	/* uint16_t ui16 */
+		BTF_MEMBER_ENC(NAME_TBD, 12, BTF_MEMBER_OFFSET(0, 64)),	/* int32_t si32 */
+		BTF_MEMBER_ENC(NAME_TBD, 6, BTF_MEMBER_OFFSET(2, 96)),	/* unused_bits2a */
+		BTF_MEMBER_ENC(NAME_TBD, 7, BTF_MEMBER_OFFSET(28, 98)),	/* bits28 */
+		BTF_MEMBER_ENC(NAME_TBD, 6, BTF_MEMBER_OFFSET(2, 126)),	/* unused_bits2b */
+		BTF_MEMBER_ENC(0, 14, BTF_MEMBER_OFFSET(0, 128)),	/* union (anon) */
+		BTF_MEMBER_ENC(NAME_TBD, 15, BTF_MEMBER_OFFSET(0, 192)),	/* aenum */
+		BTF_MEMBER_ENC(NAME_TBD, 11, BTF_MEMBER_OFFSET(0, 224)),	/* uint32_t ui32b */
+		BTF_MEMBER_ENC(NAME_TBD, 6, BTF_MEMBER_OFFSET(2, 256)),	/* bits2c */
+		BTF_MEMBER_ENC(NAME_TBD, 17, 264),	/* si8_4 */
+		BTF_TYPE_ARRAY_ENC(18, 1, 2),		/* [17] */
+		BTF_TYPE_ARRAY_ENC(1, 1, 2),		/* [18] */
+		BTF_END_RAW,
+	},
+	BTF_STR_SEC("\0unsigned char\0unsigned short\0unsigned int\0int\0unsigned long long\0uint8_t\0uint16_t\0uint32_t\0int32_t\0uint64_t\0ui64\0ui8a\0ENUM_ZERO\0ENUM_ONE\0ENUM_TWO\0ENUM_THREE\0pprint_mapv\0ui32\0ui16\0si32\0unused_bits2a\0bits28\0unused_bits2b\0aenum\0ui32b\0bits2c\0si8_4"),
+	.key_size = sizeof(unsigned int),
+	.value_size = sizeof(struct pprint_mapv),
+	.key_type_id = 3,	/* unsigned int */
+	.value_type_id = 16,	/* struct pprint_mapv */
+	.max_entries = 128,
+},
+
+{
+	/* this type will have the same layout as the
+	 * first .raw_types definition. The struct type will
+	 * be encoded with kind_flag set, bitfield members
+	 * are added typedef/const/volatile, and bitfield members
+	 * will have both int and enum types.
+	 */
+	.raw_types = {
+		/* unsighed char */			/* [1] */
+		BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 8, 1),
+		/* unsigned short */			/* [2] */
+		BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 16, 2),
+		/* unsigned int */			/* [3] */
+		BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 32, 4),
+		/* int */				/* [4] */
+		BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4),
+		/* unsigned long long */		/* [5] */
+		BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 64, 8),
+		BTF_TYPE_INT_ENC(0, 0, 0, 32, 4),	/* [6] */
+		BTF_TYPE_INT_ENC(0, 0, 0, 32, 4),	/* [7] */
+		/* uint8_t[8] */			/* [8] */
+		BTF_TYPE_ARRAY_ENC(9, 1, 8),
+		/* typedef unsigned char uint8_t */	/* [9] */
+		BTF_TYPEDEF_ENC(NAME_TBD, 1),
+		/* typedef unsigned short uint16_t */	/* [10] */
+		BTF_TYPEDEF_ENC(NAME_TBD, 2),
+		/* typedef unsigned int uint32_t */	/* [11] */
+		BTF_TYPEDEF_ENC(NAME_TBD, 3),
+		/* typedef int int32_t */		/* [12] */
+		BTF_TYPEDEF_ENC(NAME_TBD, 4),
+		/* typedef unsigned long long uint64_t *//* [13] */
+		BTF_TYPEDEF_ENC(NAME_TBD, 5),
+		/* union (anon) */			/* [14] */
+		BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_UNION, 0, 2), 8),
+		BTF_MEMBER_ENC(NAME_TBD, 13, 0),/* uint64_t ui64; */
+		BTF_MEMBER_ENC(NAME_TBD, 8, 0),	/* uint8_t ui8a[8]; */
+		/* enum (anon) */			/* [15] */
+		BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_ENUM, 0, 4), 4),
+		BTF_ENUM_ENC(NAME_TBD, 0),
+		BTF_ENUM_ENC(NAME_TBD, 1),
+		BTF_ENUM_ENC(NAME_TBD, 2),
+		BTF_ENUM_ENC(NAME_TBD, 3),
+		/* struct pprint_mapv */		/* [16] */
+		BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 1, 11), 40),
+		BTF_MEMBER_ENC(NAME_TBD, 11, BTF_MEMBER_OFFSET(0, 0)),	/* uint32_t ui32 */
+		BTF_MEMBER_ENC(NAME_TBD, 10, BTF_MEMBER_OFFSET(0, 32)),	/* uint16_t ui16 */
+		BTF_MEMBER_ENC(NAME_TBD, 12, BTF_MEMBER_OFFSET(0, 64)),	/* int32_t si32 */
+		BTF_MEMBER_ENC(NAME_TBD, 17, BTF_MEMBER_OFFSET(2, 96)),	/* unused_bits2a */
+		BTF_MEMBER_ENC(NAME_TBD, 7, BTF_MEMBER_OFFSET(28, 98)),	/* bits28 */
+		BTF_MEMBER_ENC(NAME_TBD, 19, BTF_MEMBER_OFFSET(2, 126)),/* unused_bits2b */
+		BTF_MEMBER_ENC(0, 14, BTF_MEMBER_OFFSET(0, 128)),	/* union (anon) */
+		BTF_MEMBER_ENC(NAME_TBD, 15, BTF_MEMBER_OFFSET(0, 192)),	/* aenum */
+		BTF_MEMBER_ENC(NAME_TBD, 11, BTF_MEMBER_OFFSET(0, 224)),	/* uint32_t ui32b */
+		BTF_MEMBER_ENC(NAME_TBD, 17, BTF_MEMBER_OFFSET(2, 256)),	/* bits2c */
+		BTF_MEMBER_ENC(NAME_TBD, 20, BTF_MEMBER_OFFSET(0, 264)),	/* si8_4 */
+		/* typedef unsigned int ___int */	/* [17] */
+		BTF_TYPEDEF_ENC(NAME_TBD, 18),
+		BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_VOLATILE, 0, 0), 6),	/* [18] */
+		BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_CONST, 0, 0), 15),	/* [19] */
+		BTF_TYPE_ARRAY_ENC(21, 1, 2),					/* [20] */
+		BTF_TYPE_ARRAY_ENC(1, 1, 2),					/* [21] */
+		BTF_END_RAW,
+	},
+	BTF_STR_SEC("\0unsigned char\0unsigned short\0unsigned int\0int\0unsigned long long\0uint8_t\0uint16_t\0uint32_t\0int32_t\0uint64_t\0ui64\0ui8a\0ENUM_ZERO\0ENUM_ONE\0ENUM_TWO\0ENUM_THREE\0pprint_mapv\0ui32\0ui16\0si32\0unused_bits2a\0bits28\0unused_bits2b\0aenum\0ui32b\0bits2c\0___int\0si8_4"),
+	.key_size = sizeof(unsigned int),
+	.value_size = sizeof(struct pprint_mapv),
+	.key_type_id = 3,	/* unsigned int */
+	.value_type_id = 16,	/* struct pprint_mapv */
+	.max_entries = 128,
+},
+
+#ifdef __SIZEOF_INT128__
+{
+	/* test int128 */
+	.raw_types = {
+		/* unsigned int */				/* [1] */
+		BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 32, 4),
+		/* __int128 */					/* [2] */
+		BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 128, 16),
+		/* unsigned __int128 */				/* [3] */
+		BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 128, 16),
+		/* struct pprint_mapv_int128 */			/* [4] */
+		BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 1, 5), 64),
+		BTF_MEMBER_ENC(NAME_TBD, 2, BTF_MEMBER_OFFSET(0, 0)),		/* si128a */
+		BTF_MEMBER_ENC(NAME_TBD, 2, BTF_MEMBER_OFFSET(0, 128)),		/* si128b */
+		BTF_MEMBER_ENC(NAME_TBD, 3, BTF_MEMBER_OFFSET(3, 256)),		/* bits3 */
+		BTF_MEMBER_ENC(NAME_TBD, 3, BTF_MEMBER_OFFSET(80, 259)),	/* bits80 */
+		BTF_MEMBER_ENC(NAME_TBD, 3, BTF_MEMBER_OFFSET(0, 384)),		/* ui128 */
+		BTF_END_RAW,
+	},
+	BTF_STR_SEC("\0unsigned int\0__int128\0unsigned __int128\0pprint_mapv_int128\0si128a\0si128b\0bits3\0bits80\0ui128"),
+	.key_size = sizeof(unsigned int),
+	.value_size = sizeof(struct pprint_mapv_int128),
+	.key_type_id = 1,
+	.value_type_id = 4,
+	.max_entries = 128,
+	.mapv_kind = PPRINT_MAPV_KIND_INT128,
+},
+#endif
+
+};
+
+static struct btf_pprint_test_meta {
+	const char *descr;
+	enum bpf_map_type map_type;
+	const char *map_name;
+	bool ordered_map;
+	bool lossless_map;
+	bool percpu_map;
+} pprint_tests_meta[] = {
+{
+	.descr = "BTF pretty print array",
+	.map_type = BPF_MAP_TYPE_ARRAY,
+	.map_name = "pprint_test_array",
+	.ordered_map = true,
+	.lossless_map = true,
+	.percpu_map = false,
+},
+
+{
+	.descr = "BTF pretty print hash",
+	.map_type = BPF_MAP_TYPE_HASH,
+	.map_name = "pprint_test_hash",
+	.ordered_map = false,
+	.lossless_map = true,
+	.percpu_map = false,
+},
+
+{
+	.descr = "BTF pretty print lru hash",
+	.map_type = BPF_MAP_TYPE_LRU_HASH,
+	.map_name = "pprint_test_lru_hash",
+	.ordered_map = false,
+	.lossless_map = false,
+	.percpu_map = false,
+},
+
+{
+	.descr = "BTF pretty print percpu array",
+	.map_type = BPF_MAP_TYPE_PERCPU_ARRAY,
+	.map_name = "pprint_test_percpu_array",
+	.ordered_map = true,
+	.lossless_map = true,
+	.percpu_map = true,
+},
+
+{
+	.descr = "BTF pretty print percpu hash",
+	.map_type = BPF_MAP_TYPE_PERCPU_HASH,
+	.map_name = "pprint_test_percpu_hash",
+	.ordered_map = false,
+	.lossless_map = true,
+	.percpu_map = true,
+},
+
+{
+	.descr = "BTF pretty print lru percpu hash",
+	.map_type = BPF_MAP_TYPE_LRU_PERCPU_HASH,
+	.map_name = "pprint_test_lru_percpu_hash",
+	.ordered_map = false,
+	.lossless_map = false,
+	.percpu_map = true,
+},
+
+};
+
+static size_t get_pprint_mapv_size(enum pprint_mapv_kind_t mapv_kind)
+{
+	if (mapv_kind == PPRINT_MAPV_KIND_BASIC)
+		return sizeof(struct pprint_mapv);
+
+#ifdef __SIZEOF_INT128__
+	if (mapv_kind == PPRINT_MAPV_KIND_INT128)
+		return sizeof(struct pprint_mapv_int128);
+#endif
+
+	assert(0);
+}
+
+static void set_pprint_mapv(enum pprint_mapv_kind_t mapv_kind,
+			    void *mapv, uint32_t i,
+			    int num_cpus, int rounded_value_size)
+{
+	int cpu;
+
+	if (mapv_kind == PPRINT_MAPV_KIND_BASIC) {
+		struct pprint_mapv *v = mapv;
+
+		for (cpu = 0; cpu < num_cpus; cpu++) {
+			v->ui32 = i + cpu;
+			v->si32 = -i;
+			v->unused_bits2a = 3;
+			v->bits28 = i;
+			v->unused_bits2b = 3;
+			v->ui64 = i;
+			v->aenum = i & 0x03;
+			v->ui32b = 4;
+			v->bits2c = 1;
+			v->si8_4[0][0] = (cpu + i) & 0xff;
+			v->si8_4[0][1] = (cpu + i + 1) & 0xff;
+			v->si8_4[1][0] = (cpu + i + 2) & 0xff;
+			v->si8_4[1][1] = (cpu + i + 3) & 0xff;
+			v = (void *)v + rounded_value_size;
+		}
+	}
+
+#ifdef __SIZEOF_INT128__
+	if (mapv_kind == PPRINT_MAPV_KIND_INT128) {
+		struct pprint_mapv_int128 *v = mapv;
+
+		for (cpu = 0; cpu < num_cpus; cpu++) {
+			v->si128a = i;
+			v->si128b = -i;
+			v->bits3 = i & 0x07;
+			v->bits80 = (((unsigned __int128)1) << 64) + i;
+			v->ui128 = (((unsigned __int128)2) << 64) + i;
+			v = (void *)v + rounded_value_size;
+		}
+	}
+#endif
+}
+
+ssize_t get_pprint_expected_line(enum pprint_mapv_kind_t mapv_kind,
+				 char *expected_line, ssize_t line_size,
+				 bool percpu_map, unsigned int next_key,
+				 int cpu, void *mapv)
+{
+	ssize_t nexpected_line = -1;
+
+	if (mapv_kind == PPRINT_MAPV_KIND_BASIC) {
+		struct pprint_mapv *v = mapv;
+
+		nexpected_line = snprintf(expected_line, line_size,
+					  "%s%u: {%u,0,%d,0x%x,0x%x,0x%x,"
+					  "{%llu|[%u,%u,%u,%u,%u,%u,%u,%u]},%s,"
+					  "%u,0x%x,[[%d,%d],[%d,%d]]}\n",
+					  percpu_map ? "\tcpu" : "",
+					  percpu_map ? cpu : next_key,
+					  v->ui32, v->si32,
+					  v->unused_bits2a,
+					  v->bits28,
+					  v->unused_bits2b,
+					  (__u64)v->ui64,
+					  v->ui8a[0], v->ui8a[1],
+					  v->ui8a[2], v->ui8a[3],
+					  v->ui8a[4], v->ui8a[5],
+					  v->ui8a[6], v->ui8a[7],
+					  pprint_enum_str[v->aenum],
+					  v->ui32b,
+					  v->bits2c,
+					  v->si8_4[0][0], v->si8_4[0][1],
+					  v->si8_4[1][0], v->si8_4[1][1]);
+	}
+
+#ifdef __SIZEOF_INT128__
+	if (mapv_kind == PPRINT_MAPV_KIND_INT128) {
+		struct pprint_mapv_int128 *v = mapv;
+
+		nexpected_line = snprintf(expected_line, line_size,
+					  "%s%u: {0x%lx,0x%lx,0x%lx,"
+					  "0x%lx%016lx,0x%lx%016lx}\n",
+					  percpu_map ? "\tcpu" : "",
+					  percpu_map ? cpu : next_key,
+					  (uint64_t)v->si128a,
+					  (uint64_t)v->si128b,
+					  (uint64_t)v->bits3,
+					  (uint64_t)(v->bits80 >> 64),
+					  (uint64_t)v->bits80,
+					  (uint64_t)(v->ui128 >> 64),
+					  (uint64_t)v->ui128);
+	}
+#endif
+
+	return nexpected_line;
+}
+
+static int check_line(const char *expected_line, int nexpected_line,
+		      int expected_line_len, const char *line)
+{
+	if (CHECK(nexpected_line == expected_line_len,
+		  "expected_line is too long"))
+		return -1;
+
+	if (strcmp(expected_line, line)) {
+		fprintf(stderr, "unexpected pprint output\n");
+		fprintf(stderr, "expected: %s", expected_line);
+		fprintf(stderr, "    read: %s", line);
+		return -1;
+	}
+
+	return 0;
+}
+
+
+static void do_test_pprint(int test_num)
+{
+	const struct btf_raw_test *test = &pprint_test_template[test_num];
+	enum pprint_mapv_kind_t mapv_kind = test->mapv_kind;
+	LIBBPF_OPTS(bpf_map_create_opts, opts);
+	bool ordered_map, lossless_map, percpu_map;
+	int err, ret, num_cpus, rounded_value_size;
+	unsigned int key, nr_read_elems;
+	int map_fd = -1, btf_fd = -1;
+	unsigned int raw_btf_size;
+	char expected_line[255];
+	FILE *pin_file = NULL;
+	char pin_path[255];
+	size_t line_len = 0;
+	char *line = NULL;
+	void *mapv = NULL;
+	uint8_t *raw_btf;
+	ssize_t nread;
+
+	if (!test__start_subtest(test->descr))
+		return;
+
+	raw_btf = btf_raw_create(&hdr_tmpl, test->raw_types,
+				 test->str_sec, test->str_sec_size,
+				 &raw_btf_size, NULL);
+
+	if (!raw_btf)
+		return;
+
+	*btf_log_buf = '\0';
+	btf_fd = load_raw_btf(raw_btf, raw_btf_size);
+	free(raw_btf);
+
+	if (CHECK(btf_fd < 0, "errno:%d\n", errno)) {
+		err = -1;
+		goto done;
+	}
+
+	opts.btf_fd = btf_fd;
+	opts.btf_key_type_id = test->key_type_id;
+	opts.btf_value_type_id = test->value_type_id;
+	map_fd = bpf_map_create(test->map_type, test->map_name,
+				test->key_size, test->value_size, test->max_entries, &opts);
+	if (CHECK(map_fd < 0, "errno:%d", errno)) {
+		err = -1;
+		goto done;
+	}
+
+	ret = snprintf(pin_path, sizeof(pin_path), "%s/%s",
+		       "/sys/fs/bpf", test->map_name);
+
+	if (CHECK(ret >= sizeof(pin_path), "pin_path %s/%s is too long",
+		  "/sys/fs/bpf", test->map_name)) {
+		err = -1;
+		goto done;
+	}
+
+	err = bpf_obj_pin(map_fd, pin_path);
+	if (CHECK(err, "bpf_obj_pin(%s): errno:%d.", pin_path, errno))
+		goto done;
+
+	percpu_map = test->percpu_map;
+	num_cpus = percpu_map ? bpf_num_possible_cpus() : 1;
+	rounded_value_size = round_up(get_pprint_mapv_size(mapv_kind), 8);
+	mapv = calloc(num_cpus, rounded_value_size);
+	if (CHECK(!mapv, "mapv allocation failure")) {
+		err = -1;
+		goto done;
+	}
+
+	for (key = 0; key < test->max_entries; key++) {
+		set_pprint_mapv(mapv_kind, mapv, key, num_cpus, rounded_value_size);
+		bpf_map_update_elem(map_fd, &key, mapv, 0);
+	}
+
+	pin_file = fopen(pin_path, "r");
+	if (CHECK(!pin_file, "fopen(%s): errno:%d", pin_path, errno)) {
+		err = -1;
+		goto done;
+	}
+
+	/* Skip lines start with '#' */
+	while ((nread = getline(&line, &line_len, pin_file)) > 0 &&
+	       *line == '#')
+		;
+
+	if (CHECK(nread <= 0, "Unexpected EOF")) {
+		err = -1;
+		goto done;
+	}
+
+	nr_read_elems = 0;
+	ordered_map = test->ordered_map;
+	lossless_map = test->lossless_map;
+	do {
+		ssize_t nexpected_line;
+		unsigned int next_key;
+		void *cmapv;
+		int cpu;
+
+		next_key = ordered_map ? nr_read_elems : atoi(line);
+		set_pprint_mapv(mapv_kind, mapv, next_key, num_cpus, rounded_value_size);
+		cmapv = mapv;
+
+		for (cpu = 0; cpu < num_cpus; cpu++) {
+			if (percpu_map) {
+				/* for percpu map, the format looks like:
+				 * <key>: {
+				 *	cpu0: <value_on_cpu0>
+				 *	cpu1: <value_on_cpu1>
+				 *	...
+				 *	cpun: <value_on_cpun>
+				 * }
+				 *
+				 * let us verify the line containing the key here.
+				 */
+				if (cpu == 0) {
+					nexpected_line = snprintf(expected_line,
+								  sizeof(expected_line),
+								  "%u: {\n",
+								  next_key);
+
+					err = check_line(expected_line, nexpected_line,
+							 sizeof(expected_line), line);
+					if (err < 0)
+						goto done;
+				}
+
+				/* read value@cpu */
+				nread = getline(&line, &line_len, pin_file);
+				if (nread < 0)
+					break;
+			}
+
+			nexpected_line = get_pprint_expected_line(mapv_kind, expected_line,
+								  sizeof(expected_line),
+								  percpu_map, next_key,
+								  cpu, cmapv);
+			err = check_line(expected_line, nexpected_line,
+					 sizeof(expected_line), line);
+			if (err < 0)
+				goto done;
+
+			cmapv = cmapv + rounded_value_size;
+		}
+
+		if (percpu_map) {
+			/* skip the last bracket for the percpu map */
+			nread = getline(&line, &line_len, pin_file);
+			if (nread < 0)
+				break;
+		}
+
+		nread = getline(&line, &line_len, pin_file);
+	} while (++nr_read_elems < test->max_entries && nread > 0);
+
+	if (lossless_map &&
+	    CHECK(nr_read_elems < test->max_entries,
+		  "Unexpected EOF. nr_read_elems:%u test->max_entries:%u",
+		  nr_read_elems, test->max_entries)) {
+		err = -1;
+		goto done;
+	}
+
+	if (CHECK(nread > 0, "Unexpected extra pprint output: %s", line)) {
+		err = -1;
+		goto done;
+	}
+
+	err = 0;
+
+done:
+	if (mapv)
+		free(mapv);
+	if (!err)
+		fprintf(stderr, "OK");
+	if (*btf_log_buf && (err || always_log))
+		fprintf(stderr, "\n%s", btf_log_buf);
+	if (btf_fd >= 0)
+		close(btf_fd);
+	if (map_fd >= 0)
+		close(map_fd);
+	if (pin_file)
+		fclose(pin_file);
+	unlink(pin_path);
+	free(line);
+}
+
+static void test_pprint(void)
+{
+	unsigned int i;
+
+	/* test various maps with the first test template */
+	for (i = 0; i < ARRAY_SIZE(pprint_tests_meta); i++) {
+		pprint_test_template[0].descr = pprint_tests_meta[i].descr;
+		pprint_test_template[0].map_type = pprint_tests_meta[i].map_type;
+		pprint_test_template[0].map_name = pprint_tests_meta[i].map_name;
+		pprint_test_template[0].ordered_map = pprint_tests_meta[i].ordered_map;
+		pprint_test_template[0].lossless_map = pprint_tests_meta[i].lossless_map;
+		pprint_test_template[0].percpu_map = pprint_tests_meta[i].percpu_map;
+
+		do_test_pprint(0);
+	}
+
+	/* test rest test templates with the first map */
+	for (i = 1; i < ARRAY_SIZE(pprint_test_template); i++) {
+		pprint_test_template[i].descr = pprint_tests_meta[0].descr;
+		pprint_test_template[i].map_type = pprint_tests_meta[0].map_type;
+		pprint_test_template[i].map_name = pprint_tests_meta[0].map_name;
+		pprint_test_template[i].ordered_map = pprint_tests_meta[0].ordered_map;
+		pprint_test_template[i].lossless_map = pprint_tests_meta[0].lossless_map;
+		pprint_test_template[i].percpu_map = pprint_tests_meta[0].percpu_map;
+		do_test_pprint(i);
+	}
+}
+
+#define BPF_LINE_INFO_ENC(insn_off, file_off, line_off, line_num, line_col) \
+	(insn_off), (file_off), (line_off), ((line_num) << 10 | ((line_col) & 0x3ff))
+
+static struct prog_info_raw_test {
+	const char *descr;
+	const char *str_sec;
+	const char *err_str;
+	__u32 raw_types[MAX_NR_RAW_U32];
+	__u32 str_sec_size;
+	struct bpf_insn insns[MAX_INSNS];
+	__u32 prog_type;
+	__u32 func_info[MAX_SUBPROGS][2];
+	__u32 func_info_rec_size;
+	__u32 func_info_cnt;
+	__u32 line_info[MAX_NR_RAW_U32];
+	__u32 line_info_rec_size;
+	__u32 nr_jited_ksyms;
+	bool expected_prog_load_failure;
+	__u32 dead_code_cnt;
+	__u32 dead_code_mask;
+	__u32 dead_func_cnt;
+	__u32 dead_func_mask;
+} info_raw_tests[] = {
+{
+	.descr = "func_type (main func + one sub)",
+	.raw_types = {
+		BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4),	/* [1] */
+		BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 32, 4),	/* [2] */
+		BTF_FUNC_PROTO_ENC(1, 2),			/* [3] */
+			BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1),
+			BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 2),
+		BTF_FUNC_PROTO_ENC(1, 2),			/* [4] */
+			BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 2),
+			BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1),
+		BTF_FUNC_ENC(NAME_TBD, 3),			/* [5] */
+		BTF_FUNC_ENC(NAME_TBD, 4),			/* [6] */
+		BTF_END_RAW,
+	},
+	.str_sec = "\0int\0unsigned int\0a\0b\0c\0d\0funcA\0funcB",
+	.str_sec_size = sizeof("\0int\0unsigned int\0a\0b\0c\0d\0funcA\0funcB"),
+	.insns = {
+		BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 2),
+		BPF_MOV64_IMM(BPF_REG_0, 1),
+		BPF_EXIT_INSN(),
+		BPF_MOV64_IMM(BPF_REG_0, 2),
+		BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_TRACEPOINT,
+	.func_info = { {0, 5}, {3, 6} },
+	.func_info_rec_size = 8,
+	.func_info_cnt = 2,
+	.line_info = { BTF_END_RAW },
+},
+
+{
+	.descr = "func_type (Incorrect func_info_rec_size)",
+	.raw_types = {
+		BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4),	/* [1] */
+		BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 32, 4),	/* [2] */
+		BTF_FUNC_PROTO_ENC(1, 2),			/* [3] */
+			BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1),
+			BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 2),
+		BTF_FUNC_PROTO_ENC(1, 2),			/* [4] */
+			BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 2),
+			BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1),
+		BTF_FUNC_ENC(NAME_TBD, 3),			/* [5] */
+		BTF_FUNC_ENC(NAME_TBD, 4),			/* [6] */
+		BTF_END_RAW,
+	},
+	.str_sec = "\0int\0unsigned int\0a\0b\0c\0d\0funcA\0funcB",
+	.str_sec_size = sizeof("\0int\0unsigned int\0a\0b\0c\0d\0funcA\0funcB"),
+	.insns = {
+		BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 2),
+		BPF_MOV64_IMM(BPF_REG_0, 1),
+		BPF_EXIT_INSN(),
+		BPF_MOV64_IMM(BPF_REG_0, 2),
+		BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_TRACEPOINT,
+	.func_info = { {0, 5}, {3, 6} },
+	.func_info_rec_size = 4,
+	.func_info_cnt = 2,
+	.line_info = { BTF_END_RAW },
+	.expected_prog_load_failure = true,
+},
+
+{
+	.descr = "func_type (Incorrect func_info_cnt)",
+	.raw_types = {
+		BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4),	/* [1] */
+		BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 32, 4),	/* [2] */
+		BTF_FUNC_PROTO_ENC(1, 2),			/* [3] */
+			BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1),
+			BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 2),
+		BTF_FUNC_PROTO_ENC(1, 2),			/* [4] */
+			BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 2),
+			BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1),
+		BTF_FUNC_ENC(NAME_TBD, 3),			/* [5] */
+		BTF_FUNC_ENC(NAME_TBD, 4),			/* [6] */
+		BTF_END_RAW,
+	},
+	.str_sec = "\0int\0unsigned int\0a\0b\0c\0d\0funcA\0funcB",
+	.str_sec_size = sizeof("\0int\0unsigned int\0a\0b\0c\0d\0funcA\0funcB"),
+	.insns = {
+		BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 2),
+		BPF_MOV64_IMM(BPF_REG_0, 1),
+		BPF_EXIT_INSN(),
+		BPF_MOV64_IMM(BPF_REG_0, 2),
+		BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_TRACEPOINT,
+	.func_info = { {0, 5}, {3, 6} },
+	.func_info_rec_size = 8,
+	.func_info_cnt = 1,
+	.line_info = { BTF_END_RAW },
+	.expected_prog_load_failure = true,
+},
+
+{
+	.descr = "func_type (Incorrect bpf_func_info.insn_off)",
+	.raw_types = {
+		BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4),	/* [1] */
+		BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 32, 4),	/* [2] */
+		BTF_FUNC_PROTO_ENC(1, 2),			/* [3] */
+			BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1),
+			BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 2),
+		BTF_FUNC_PROTO_ENC(1, 2),			/* [4] */
+			BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 2),
+			BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1),
+		BTF_FUNC_ENC(NAME_TBD, 3),			/* [5] */
+		BTF_FUNC_ENC(NAME_TBD, 4),			/* [6] */
+		BTF_END_RAW,
+	},
+	.str_sec = "\0int\0unsigned int\0a\0b\0c\0d\0funcA\0funcB",
+	.str_sec_size = sizeof("\0int\0unsigned int\0a\0b\0c\0d\0funcA\0funcB"),
+	.insns = {
+		BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 2),
+		BPF_MOV64_IMM(BPF_REG_0, 1),
+		BPF_EXIT_INSN(),
+		BPF_MOV64_IMM(BPF_REG_0, 2),
+		BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_TRACEPOINT,
+	.func_info = { {0, 5}, {2, 6} },
+	.func_info_rec_size = 8,
+	.func_info_cnt = 2,
+	.line_info = { BTF_END_RAW },
+	.expected_prog_load_failure = true,
+},
+
+{
+	.descr = "line_info (No subprog)",
+	.raw_types = {
+		BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4),	/* [1] */
+		BTF_END_RAW,
+	},
+	BTF_STR_SEC("\0int\0int a=1;\0int b=2;\0return a + b;\0return a + b;"),
+	.insns = {
+		BPF_MOV64_IMM(BPF_REG_0, 1),
+		BPF_MOV64_IMM(BPF_REG_1, 2),
+		BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
+		BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_TRACEPOINT,
+	.func_info_cnt = 0,
+	.line_info = {
+		BPF_LINE_INFO_ENC(0, 0, NAME_TBD, 1, 10),
+		BPF_LINE_INFO_ENC(1, 0, NAME_TBD, 2, 9),
+		BPF_LINE_INFO_ENC(2, 0, NAME_TBD, 3, 8),
+		BPF_LINE_INFO_ENC(3, 0, NAME_TBD, 4, 7),
+		BTF_END_RAW,
+	},
+	.line_info_rec_size = sizeof(struct bpf_line_info),
+	.nr_jited_ksyms = 1,
+},
+
+{
+	.descr = "line_info (No subprog. insn_off >= prog->len)",
+	.raw_types = {
+		BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4),	/* [1] */
+		BTF_END_RAW,
+	},
+	BTF_STR_SEC("\0int\0int a=1;\0int b=2;\0return a + b;\0return a + b;"),
+	.insns = {
+		BPF_MOV64_IMM(BPF_REG_0, 1),
+		BPF_MOV64_IMM(BPF_REG_1, 2),
+		BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
+		BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_TRACEPOINT,
+	.func_info_cnt = 0,
+	.line_info = {
+		BPF_LINE_INFO_ENC(0, 0, NAME_TBD, 1, 10),
+		BPF_LINE_INFO_ENC(1, 0, NAME_TBD, 2, 9),
+		BPF_LINE_INFO_ENC(2, 0, NAME_TBD, 3, 8),
+		BPF_LINE_INFO_ENC(3, 0, NAME_TBD, 4, 7),
+		BPF_LINE_INFO_ENC(4, 0, 0, 5, 6),
+		BTF_END_RAW,
+	},
+	.line_info_rec_size = sizeof(struct bpf_line_info),
+	.nr_jited_ksyms = 1,
+	.err_str = "line_info[4].insn_off",
+	.expected_prog_load_failure = true,
+},
+
+{
+	.descr = "line_info (Zero bpf insn code)",
+	.raw_types = {
+		BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4),	/* [1] */
+		BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 64, 8),	/* [2] */
+		BTF_TYPEDEF_ENC(NAME_TBD, 2),			/* [3] */
+		BTF_END_RAW,
+	},
+	BTF_STR_SEC("\0int\0unsigned long\0u64\0u64 a=1;\0return a;"),
+	.insns = {
+		BPF_LD_IMM64(BPF_REG_0, 1),
+		BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_TRACEPOINT,
+	.func_info_cnt = 0,
+	.line_info = {
+		BPF_LINE_INFO_ENC(0, 0, NAME_TBD, 1, 10),
+		BPF_LINE_INFO_ENC(1, 0, 0, 2, 9),
+		BPF_LINE_INFO_ENC(2, 0, NAME_TBD, 3, 8),
+		BTF_END_RAW,
+	},
+	.line_info_rec_size = sizeof(struct bpf_line_info),
+	.nr_jited_ksyms = 1,
+	.err_str = "Invalid insn code at line_info[1]",
+	.expected_prog_load_failure = true,
+},
+
+{
+	.descr = "line_info (No subprog. zero tailing line_info",
+	.raw_types = {
+		BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4),	/* [1] */
+		BTF_END_RAW,
+	},
+	BTF_STR_SEC("\0int\0int a=1;\0int b=2;\0return a + b;\0return a + b;"),
+	.insns = {
+		BPF_MOV64_IMM(BPF_REG_0, 1),
+		BPF_MOV64_IMM(BPF_REG_1, 2),
+		BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
+		BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_TRACEPOINT,
+	.func_info_cnt = 0,
+	.line_info = {
+		BPF_LINE_INFO_ENC(0, 0, NAME_TBD, 1, 10), 0,
+		BPF_LINE_INFO_ENC(1, 0, NAME_TBD, 2, 9), 0,
+		BPF_LINE_INFO_ENC(2, 0, NAME_TBD, 3, 8), 0,
+		BPF_LINE_INFO_ENC(3, 0, NAME_TBD, 4, 7), 0,
+		BTF_END_RAW,
+	},
+	.line_info_rec_size = sizeof(struct bpf_line_info) + sizeof(__u32),
+	.nr_jited_ksyms = 1,
+},
+
+{
+	.descr = "line_info (No subprog. nonzero tailing line_info)",
+	.raw_types = {
+		BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4),	/* [1] */
+		BTF_END_RAW,
+	},
+	BTF_STR_SEC("\0int\0int a=1;\0int b=2;\0return a + b;\0return a + b;"),
+	.insns = {
+		BPF_MOV64_IMM(BPF_REG_0, 1),
+		BPF_MOV64_IMM(BPF_REG_1, 2),
+		BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
+		BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_TRACEPOINT,
+	.func_info_cnt = 0,
+	.line_info = {
+		BPF_LINE_INFO_ENC(0, 0, NAME_TBD, 1, 10), 0,
+		BPF_LINE_INFO_ENC(1, 0, NAME_TBD, 2, 9), 0,
+		BPF_LINE_INFO_ENC(2, 0, NAME_TBD, 3, 8), 0,
+		BPF_LINE_INFO_ENC(3, 0, NAME_TBD, 4, 7), 1,
+		BTF_END_RAW,
+	},
+	.line_info_rec_size = sizeof(struct bpf_line_info) + sizeof(__u32),
+	.nr_jited_ksyms = 1,
+	.err_str = "nonzero tailing record in line_info",
+	.expected_prog_load_failure = true,
+},
+
+{
+	.descr = "line_info (subprog)",
+	.raw_types = {
+		BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4),	/* [1] */
+		BTF_END_RAW,
+	},
+	BTF_STR_SEC("\0int\0int a=1+1;\0return func(a);\0b+=1;\0return b;"),
+	.insns = {
+		BPF_MOV64_IMM(BPF_REG_2, 1),
+		BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, 1),
+		BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+		BPF_CALL_REL(1),
+		BPF_EXIT_INSN(),
+		BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
+		BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 1),
+		BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_TRACEPOINT,
+	.func_info_cnt = 0,
+	.line_info = {
+		BPF_LINE_INFO_ENC(0, 0, NAME_TBD, 1, 10),
+		BPF_LINE_INFO_ENC(2, 0, NAME_TBD, 2, 9),
+		BPF_LINE_INFO_ENC(5, 0, NAME_TBD, 3, 8),
+		BPF_LINE_INFO_ENC(7, 0, NAME_TBD, 4, 7),
+		BTF_END_RAW,
+	},
+	.line_info_rec_size = sizeof(struct bpf_line_info),
+	.nr_jited_ksyms = 2,
+},
+
+{
+	.descr = "line_info (subprog + func_info)",
+	.raw_types = {
+		BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4),	/* [1] */
+		BTF_FUNC_PROTO_ENC(1, 1),			/* [2] */
+			BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1),
+		BTF_FUNC_ENC(NAME_TBD, 2),			/* [3] */
+		BTF_FUNC_ENC(NAME_TBD, 2),			/* [4] */
+		BTF_END_RAW,
+	},
+	BTF_STR_SEC("\0int\0x\0sub\0main\0int a=1+1;\0return func(a);\0b+=1;\0return b;"),
+	.insns = {
+		BPF_MOV64_IMM(BPF_REG_2, 1),
+		BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, 1),
+		BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+		BPF_CALL_REL(1),
+		BPF_EXIT_INSN(),
+		BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
+		BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 1),
+		BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_TRACEPOINT,
+	.func_info_cnt = 2,
+	.func_info_rec_size = 8,
+	.func_info = { {0, 4}, {5, 3} },
+	.line_info = {
+		BPF_LINE_INFO_ENC(0, 0, NAME_TBD, 1, 10),
+		BPF_LINE_INFO_ENC(2, 0, NAME_TBD, 2, 9),
+		BPF_LINE_INFO_ENC(5, 0, NAME_TBD, 3, 8),
+		BPF_LINE_INFO_ENC(7, 0, NAME_TBD, 4, 7),
+		BTF_END_RAW,
+	},
+	.line_info_rec_size = sizeof(struct bpf_line_info),
+	.nr_jited_ksyms = 2,
+},
+
+{
+	.descr = "line_info (subprog. missing 1st func line info)",
+	.raw_types = {
+		BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4),	/* [1] */
+		BTF_END_RAW,
+	},
+	BTF_STR_SEC("\0int\0int a=1+1;\0return func(a);\0b+=1;\0return b;"),
+	.insns = {
+		BPF_MOV64_IMM(BPF_REG_2, 1),
+		BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, 1),
+		BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+		BPF_CALL_REL(1),
+		BPF_EXIT_INSN(),
+		BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
+		BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 1),
+		BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_TRACEPOINT,
+	.func_info_cnt = 0,
+	.line_info = {
+		BPF_LINE_INFO_ENC(1, 0, NAME_TBD, 1, 10),
+		BPF_LINE_INFO_ENC(2, 0, NAME_TBD, 2, 9),
+		BPF_LINE_INFO_ENC(5, 0, NAME_TBD, 3, 8),
+		BPF_LINE_INFO_ENC(7, 0, NAME_TBD, 4, 7),
+		BTF_END_RAW,
+	},
+	.line_info_rec_size = sizeof(struct bpf_line_info),
+	.nr_jited_ksyms = 2,
+	.err_str = "missing bpf_line_info for func#0",
+	.expected_prog_load_failure = true,
+},
+
+{
+	.descr = "line_info (subprog. missing 2nd func line info)",
+	.raw_types = {
+		BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4),	/* [1] */
+		BTF_END_RAW,
+	},
+	BTF_STR_SEC("\0int\0int a=1+1;\0return func(a);\0b+=1;\0return b;"),
+	.insns = {
+		BPF_MOV64_IMM(BPF_REG_2, 1),
+		BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, 1),
+		BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+		BPF_CALL_REL(1),
+		BPF_EXIT_INSN(),
+		BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
+		BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 1),
+		BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_TRACEPOINT,
+	.func_info_cnt = 0,
+	.line_info = {
+		BPF_LINE_INFO_ENC(0, 0, NAME_TBD, 1, 10),
+		BPF_LINE_INFO_ENC(2, 0, NAME_TBD, 2, 9),
+		BPF_LINE_INFO_ENC(6, 0, NAME_TBD, 3, 8),
+		BPF_LINE_INFO_ENC(7, 0, NAME_TBD, 4, 7),
+		BTF_END_RAW,
+	},
+	.line_info_rec_size = sizeof(struct bpf_line_info),
+	.nr_jited_ksyms = 2,
+	.err_str = "missing bpf_line_info for func#1",
+	.expected_prog_load_failure = true,
+},
+
+{
+	.descr = "line_info (subprog. unordered insn offset)",
+	.raw_types = {
+		BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4),	/* [1] */
+		BTF_END_RAW,
+	},
+	BTF_STR_SEC("\0int\0int a=1+1;\0return func(a);\0b+=1;\0return b;"),
+	.insns = {
+		BPF_MOV64_IMM(BPF_REG_2, 1),
+		BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, 1),
+		BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+		BPF_CALL_REL(1),
+		BPF_EXIT_INSN(),
+		BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
+		BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 1),
+		BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_TRACEPOINT,
+	.func_info_cnt = 0,
+	.line_info = {
+		BPF_LINE_INFO_ENC(0, 0, NAME_TBD, 1, 10),
+		BPF_LINE_INFO_ENC(5, 0, NAME_TBD, 2, 9),
+		BPF_LINE_INFO_ENC(2, 0, NAME_TBD, 3, 8),
+		BPF_LINE_INFO_ENC(7, 0, NAME_TBD, 4, 7),
+		BTF_END_RAW,
+	},
+	.line_info_rec_size = sizeof(struct bpf_line_info),
+	.nr_jited_ksyms = 2,
+	.err_str = "Invalid line_info[2].insn_off",
+	.expected_prog_load_failure = true,
+},
+
+{
+	.descr = "line_info (dead start)",
+	.raw_types = {
+		BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4),	/* [1] */
+		BTF_END_RAW,
+	},
+	BTF_STR_SEC("\0int\0/* dead jmp */\0int a=1;\0int b=2;\0return a + b;\0return a + b;"),
+	.insns = {
+		BPF_JMP_IMM(BPF_JA, 0, 0, 0),
+		BPF_MOV64_IMM(BPF_REG_0, 1),
+		BPF_MOV64_IMM(BPF_REG_1, 2),
+		BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
+		BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_TRACEPOINT,
+	.func_info_cnt = 0,
+	.line_info = {
+		BPF_LINE_INFO_ENC(0, 0, NAME_TBD, 1, 10),
+		BPF_LINE_INFO_ENC(1, 0, NAME_TBD, 2, 9),
+		BPF_LINE_INFO_ENC(2, 0, NAME_TBD, 3, 8),
+		BPF_LINE_INFO_ENC(3, 0, NAME_TBD, 4, 7),
+		BPF_LINE_INFO_ENC(4, 0, NAME_TBD, 5, 6),
+		BTF_END_RAW,
+	},
+	.line_info_rec_size = sizeof(struct bpf_line_info),
+	.nr_jited_ksyms = 1,
+	.dead_code_cnt = 1,
+	.dead_code_mask = 0x01,
+},
+
+{
+	.descr = "line_info (dead end)",
+	.raw_types = {
+		BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4),	/* [1] */
+		BTF_END_RAW,
+	},
+	BTF_STR_SEC("\0int\0int a=1;\0int b=2;\0return a + b;\0/* dead jmp */\0return a + b;\0/* dead exit */"),
+	.insns = {
+		BPF_MOV64_IMM(BPF_REG_0, 1),
+		BPF_MOV64_IMM(BPF_REG_1, 2),
+		BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
+		BPF_JMP_IMM(BPF_JGE, BPF_REG_0, 10, 1),
+		BPF_EXIT_INSN(),
+		BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_TRACEPOINT,
+	.func_info_cnt = 0,
+	.line_info = {
+		BPF_LINE_INFO_ENC(0, 0, NAME_TBD, 1, 12),
+		BPF_LINE_INFO_ENC(1, 0, NAME_TBD, 2, 11),
+		BPF_LINE_INFO_ENC(2, 0, NAME_TBD, 3, 10),
+		BPF_LINE_INFO_ENC(3, 0, NAME_TBD, 4, 9),
+		BPF_LINE_INFO_ENC(4, 0, NAME_TBD, 5, 8),
+		BPF_LINE_INFO_ENC(5, 0, NAME_TBD, 6, 7),
+		BTF_END_RAW,
+	},
+	.line_info_rec_size = sizeof(struct bpf_line_info),
+	.nr_jited_ksyms = 1,
+	.dead_code_cnt = 2,
+	.dead_code_mask = 0x28,
+},
+
+{
+	.descr = "line_info (dead code + subprog + func_info)",
+	.raw_types = {
+		BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4),	/* [1] */
+		BTF_FUNC_PROTO_ENC(1, 1),			/* [2] */
+			BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1),
+		BTF_FUNC_ENC(NAME_TBD, 2),			/* [3] */
+		BTF_FUNC_ENC(NAME_TBD, 2),			/* [4] */
+		BTF_END_RAW,
+	},
+	BTF_STR_SEC("\0int\0x\0sub\0main\0int a=1+1;\0/* dead jmp */"
+		    "\0/* dead */\0/* dead */\0/* dead */\0/* dead */"
+		    "\0/* dead */\0/* dead */\0/* dead */\0/* dead */"
+		    "\0return func(a);\0b+=1;\0return b;"),
+	.insns = {
+		BPF_MOV64_IMM(BPF_REG_2, 1),
+		BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, 1),
+		BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+		BPF_JMP_IMM(BPF_JGE, BPF_REG_2, 0, 8),
+		BPF_MOV64_IMM(BPF_REG_2, 1),
+		BPF_MOV64_IMM(BPF_REG_2, 1),
+		BPF_MOV64_IMM(BPF_REG_2, 1),
+		BPF_MOV64_IMM(BPF_REG_2, 1),
+		BPF_MOV64_IMM(BPF_REG_2, 1),
+		BPF_MOV64_IMM(BPF_REG_2, 1),
+		BPF_MOV64_IMM(BPF_REG_2, 1),
+		BPF_MOV64_IMM(BPF_REG_2, 1),
+		BPF_CALL_REL(1),
+		BPF_EXIT_INSN(),
+		BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
+		BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 1),
+		BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_TRACEPOINT,
+	.func_info_cnt = 2,
+	.func_info_rec_size = 8,
+	.func_info = { {0, 4}, {14, 3} },
+	.line_info = {
+		BPF_LINE_INFO_ENC(0, 0, NAME_TBD, 1, 10),
+		BPF_LINE_INFO_ENC(3, 0, NAME_TBD, 1, 10),
+		BPF_LINE_INFO_ENC(4, 0, NAME_TBD, 1, 10),
+		BPF_LINE_INFO_ENC(5, 0, NAME_TBD, 1, 10),
+		BPF_LINE_INFO_ENC(6, 0, NAME_TBD, 1, 10),
+		BPF_LINE_INFO_ENC(7, 0, NAME_TBD, 1, 10),
+		BPF_LINE_INFO_ENC(8, 0, NAME_TBD, 1, 10),
+		BPF_LINE_INFO_ENC(9, 0, NAME_TBD, 1, 10),
+		BPF_LINE_INFO_ENC(10, 0, NAME_TBD, 1, 10),
+		BPF_LINE_INFO_ENC(11, 0, NAME_TBD, 2, 9),
+		BPF_LINE_INFO_ENC(12, 0, NAME_TBD, 2, 9),
+		BPF_LINE_INFO_ENC(14, 0, NAME_TBD, 3, 8),
+		BPF_LINE_INFO_ENC(16, 0, NAME_TBD, 4, 7),
+		BTF_END_RAW,
+	},
+	.line_info_rec_size = sizeof(struct bpf_line_info),
+	.nr_jited_ksyms = 2,
+	.dead_code_cnt = 9,
+	.dead_code_mask = 0x3fe,
+},
+
+{
+	.descr = "line_info (dead subprog)",
+	.raw_types = {
+		BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4),	/* [1] */
+		BTF_FUNC_PROTO_ENC(1, 1),			/* [2] */
+			BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1),
+		BTF_FUNC_ENC(NAME_TBD, 2),			/* [3] */
+		BTF_FUNC_ENC(NAME_TBD, 2),			/* [4] */
+		BTF_FUNC_ENC(NAME_TBD, 2),			/* [5] */
+		BTF_END_RAW,
+	},
+	BTF_STR_SEC("\0int\0x\0dead\0main\0func\0int a=1+1;\0/* live call */"
+		    "\0return 0;\0return 0;\0/* dead */\0/* dead */"
+		    "\0/* dead */\0return bla + 1;\0return bla + 1;"
+		    "\0return bla + 1;\0return func(a);\0b+=1;\0return b;"),
+	.insns = {
+		BPF_MOV64_IMM(BPF_REG_2, 1),
+		BPF_JMP_IMM(BPF_JGE, BPF_REG_2, 0, 1),
+		BPF_CALL_REL(3),
+		BPF_CALL_REL(5),
+		BPF_MOV64_IMM(BPF_REG_0, 0),
+		BPF_EXIT_INSN(),
+		BPF_MOV64_IMM(BPF_REG_0, 0),
+		BPF_CALL_REL(1),
+		BPF_EXIT_INSN(),
+		BPF_MOV64_REG(BPF_REG_0, 2),
+		BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 1),
+		BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_TRACEPOINT,
+	.func_info_cnt = 3,
+	.func_info_rec_size = 8,
+		.func_info = { {0, 4}, {6, 3}, {9, 5} },
+	.line_info = {
+		BPF_LINE_INFO_ENC(0, 0, NAME_TBD, 1, 10),
+		BPF_LINE_INFO_ENC(3, 0, NAME_TBD, 1, 10),
+		BPF_LINE_INFO_ENC(4, 0, NAME_TBD, 1, 10),
+		BPF_LINE_INFO_ENC(5, 0, NAME_TBD, 1, 10),
+		BPF_LINE_INFO_ENC(6, 0, NAME_TBD, 1, 10),
+		BPF_LINE_INFO_ENC(7, 0, NAME_TBD, 1, 10),
+		BPF_LINE_INFO_ENC(8, 0, NAME_TBD, 1, 10),
+		BPF_LINE_INFO_ENC(9, 0, NAME_TBD, 1, 10),
+		BPF_LINE_INFO_ENC(10, 0, NAME_TBD, 1, 10),
+		BPF_LINE_INFO_ENC(11, 0, NAME_TBD, 2, 9),
+		BTF_END_RAW,
+	},
+	.line_info_rec_size = sizeof(struct bpf_line_info),
+	.nr_jited_ksyms = 2,
+	.dead_code_cnt = 3,
+	.dead_code_mask = 0x70,
+	.dead_func_cnt = 1,
+	.dead_func_mask = 0x2,
+},
+
+{
+	.descr = "line_info (dead last subprog)",
+	.raw_types = {
+		BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4),	/* [1] */
+		BTF_FUNC_PROTO_ENC(1, 1),			/* [2] */
+			BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1),
+		BTF_FUNC_ENC(NAME_TBD, 2),			/* [3] */
+		BTF_FUNC_ENC(NAME_TBD, 2),			/* [5] */
+		BTF_END_RAW,
+	},
+	BTF_STR_SEC("\0int\0x\0dead\0main\0int a=1+1;\0/* live call */"
+		    "\0return 0;\0/* dead */\0/* dead */"),
+	.insns = {
+		BPF_MOV64_IMM(BPF_REG_2, 1),
+		BPF_JMP_IMM(BPF_JGE, BPF_REG_2, 0, 1),
+		BPF_CALL_REL(2),
+		BPF_MOV64_IMM(BPF_REG_0, 0),
+		BPF_EXIT_INSN(),
+		BPF_MOV64_IMM(BPF_REG_0, 0),
+		BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_TRACEPOINT,
+	.func_info_cnt = 2,
+	.func_info_rec_size = 8,
+		.func_info = { {0, 4}, {5, 3} },
+	.line_info = {
+		BPF_LINE_INFO_ENC(0, 0, NAME_TBD, 1, 10),
+		BPF_LINE_INFO_ENC(3, 0, NAME_TBD, 1, 10),
+		BPF_LINE_INFO_ENC(4, 0, NAME_TBD, 1, 10),
+		BPF_LINE_INFO_ENC(5, 0, NAME_TBD, 1, 10),
+		BPF_LINE_INFO_ENC(6, 0, NAME_TBD, 1, 10),
+		BTF_END_RAW,
+	},
+	.line_info_rec_size = sizeof(struct bpf_line_info),
+	.nr_jited_ksyms = 1,
+	.dead_code_cnt = 2,
+	.dead_code_mask = 0x18,
+	.dead_func_cnt = 1,
+	.dead_func_mask = 0x2,
+},
+
+{
+	.descr = "line_info (dead subprog + dead start)",
+	.raw_types = {
+		BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4),	/* [1] */
+		BTF_FUNC_PROTO_ENC(1, 1),			/* [2] */
+			BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1),
+		BTF_FUNC_ENC(NAME_TBD, 2),			/* [3] */
+		BTF_FUNC_ENC(NAME_TBD, 2),			/* [4] */
+		BTF_FUNC_ENC(NAME_TBD, 2),			/* [5] */
+		BTF_END_RAW,
+	},
+	BTF_STR_SEC("\0int\0x\0dead\0main\0func\0int a=1+1;\0/* dead */"
+		    "\0return 0;\0return 0;\0return 0;"
+		    "\0/* dead */\0/* dead */\0/* dead */\0/* dead */"
+		    "\0return b + 1;\0return b + 1;\0return b + 1;"),
+	.insns = {
+		BPF_JMP_IMM(BPF_JA, 0, 0, 0),
+		BPF_MOV64_IMM(BPF_REG_2, 1),
+		BPF_JMP_IMM(BPF_JGE, BPF_REG_2, 0, 1),
+		BPF_CALL_REL(3),
+		BPF_CALL_REL(5),
+		BPF_MOV64_IMM(BPF_REG_0, 0),
+		BPF_EXIT_INSN(),
+		BPF_MOV64_IMM(BPF_REG_0, 0),
+		BPF_CALL_REL(1),
+		BPF_EXIT_INSN(),
+		BPF_JMP_IMM(BPF_JA, 0, 0, 0),
+		BPF_MOV64_REG(BPF_REG_0, 2),
+		BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 1),
+		BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_TRACEPOINT,
+	.func_info_cnt = 3,
+	.func_info_rec_size = 8,
+		.func_info = { {0, 4}, {7, 3}, {10, 5} },
+	.line_info = {
+		BPF_LINE_INFO_ENC(0, 0, NAME_TBD, 1, 10),
+		BPF_LINE_INFO_ENC(3, 0, NAME_TBD, 1, 10),
+		BPF_LINE_INFO_ENC(4, 0, NAME_TBD, 1, 10),
+		BPF_LINE_INFO_ENC(5, 0, NAME_TBD, 1, 10),
+		BPF_LINE_INFO_ENC(6, 0, NAME_TBD, 1, 10),
+		BPF_LINE_INFO_ENC(7, 0, NAME_TBD, 1, 10),
+		BPF_LINE_INFO_ENC(8, 0, NAME_TBD, 1, 10),
+		BPF_LINE_INFO_ENC(9, 0, NAME_TBD, 1, 10),
+		BPF_LINE_INFO_ENC(10, 0, NAME_TBD, 1, 10),
+		BPF_LINE_INFO_ENC(11, 0, NAME_TBD, 2, 9),
+		BPF_LINE_INFO_ENC(12, 0, NAME_TBD, 2, 9),
+		BPF_LINE_INFO_ENC(13, 0, NAME_TBD, 2, 9),
+		BTF_END_RAW,
+	},
+	.line_info_rec_size = sizeof(struct bpf_line_info),
+	.nr_jited_ksyms = 2,
+	.dead_code_cnt = 5,
+	.dead_code_mask = 0x1e2,
+	.dead_func_cnt = 1,
+	.dead_func_mask = 0x2,
+},
+
+{
+	.descr = "line_info (dead subprog + dead start w/ move)",
+	.raw_types = {
+		BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4),	/* [1] */
+		BTF_FUNC_PROTO_ENC(1, 1),			/* [2] */
+			BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1),
+		BTF_FUNC_ENC(NAME_TBD, 2),			/* [3] */
+		BTF_FUNC_ENC(NAME_TBD, 2),			/* [4] */
+		BTF_FUNC_ENC(NAME_TBD, 2),			/* [5] */
+		BTF_END_RAW,
+	},
+	BTF_STR_SEC("\0int\0x\0dead\0main\0func\0int a=1+1;\0/* live call */"
+		    "\0return 0;\0return 0;\0/* dead */\0/* dead */"
+		    "\0/* dead */\0return bla + 1;\0return bla + 1;"
+		    "\0return bla + 1;\0return func(a);\0b+=1;\0return b;"),
+	.insns = {
+		BPF_MOV64_IMM(BPF_REG_2, 1),
+		BPF_JMP_IMM(BPF_JGE, BPF_REG_2, 0, 1),
+		BPF_CALL_REL(3),
+		BPF_CALL_REL(5),
+		BPF_MOV64_IMM(BPF_REG_0, 0),
+		BPF_EXIT_INSN(),
+		BPF_MOV64_IMM(BPF_REG_0, 0),
+		BPF_CALL_REL(1),
+		BPF_EXIT_INSN(),
+		BPF_JMP_IMM(BPF_JA, 0, 0, 0),
+		BPF_MOV64_REG(BPF_REG_0, 2),
+		BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 1),
+		BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_TRACEPOINT,
+	.func_info_cnt = 3,
+	.func_info_rec_size = 8,
+		.func_info = { {0, 4}, {6, 3}, {9, 5} },
+	.line_info = {
+		BPF_LINE_INFO_ENC(0, 0, NAME_TBD, 1, 10),
+		BPF_LINE_INFO_ENC(3, 0, NAME_TBD, 1, 10),
+		BPF_LINE_INFO_ENC(4, 0, NAME_TBD, 1, 10),
+		BPF_LINE_INFO_ENC(5, 0, NAME_TBD, 1, 10),
+		BPF_LINE_INFO_ENC(6, 0, NAME_TBD, 1, 10),
+		BPF_LINE_INFO_ENC(7, 0, NAME_TBD, 1, 10),
+		BPF_LINE_INFO_ENC(8, 0, NAME_TBD, 1, 10),
+		BPF_LINE_INFO_ENC(9, 0, NAME_TBD, 1, 10),
+		BPF_LINE_INFO_ENC(11, 0, NAME_TBD, 1, 10),
+		BPF_LINE_INFO_ENC(12, 0, NAME_TBD, 2, 9),
+		BTF_END_RAW,
+	},
+	.line_info_rec_size = sizeof(struct bpf_line_info),
+	.nr_jited_ksyms = 2,
+	.dead_code_cnt = 3,
+	.dead_code_mask = 0x70,
+	.dead_func_cnt = 1,
+	.dead_func_mask = 0x2,
+},
+
+{
+	.descr = "line_info (dead end + subprog start w/ no linfo)",
+	.raw_types = {
+		BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4),	/* [1] */
+		BTF_FUNC_PROTO_ENC(1, 1),			/* [2] */
+			BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1),
+		BTF_FUNC_ENC(NAME_TBD, 2),			/* [3] */
+		BTF_FUNC_ENC(NAME_TBD, 2),			/* [4] */
+		BTF_END_RAW,
+	},
+	BTF_STR_SEC("\0int\0x\0main\0func\0/* main linfo */\0/* func linfo */"),
+	.insns = {
+		BPF_MOV64_IMM(BPF_REG_0, 0),
+		BPF_JMP_IMM(BPF_JGE, BPF_REG_0, 1, 3),
+		BPF_CALL_REL(3),
+		BPF_MOV64_IMM(BPF_REG_0, 0),
+		BPF_EXIT_INSN(),
+		BPF_EXIT_INSN(),
+		BPF_JMP_IMM(BPF_JA, 0, 0, 0),
+		BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_TRACEPOINT,
+	.func_info_cnt = 2,
+	.func_info_rec_size = 8,
+	.func_info = { {0, 3}, {6, 4}, },
+	.line_info = {
+		BPF_LINE_INFO_ENC(0, 0, NAME_TBD, 1, 10),
+		BPF_LINE_INFO_ENC(6, 0, NAME_TBD, 1, 10),
+		BTF_END_RAW,
+	},
+	.line_info_rec_size = sizeof(struct bpf_line_info),
+	.nr_jited_ksyms = 2,
+},
+
+};
+
+static size_t probe_prog_length(const struct bpf_insn *fp)
+{
+	size_t len;
+
+	for (len = MAX_INSNS - 1; len > 0; --len)
+		if (fp[len].code != 0 || fp[len].imm != 0)
+			break;
+	return len + 1;
+}
+
+static __u32 *patch_name_tbd(const __u32 *raw_u32,
+			     const char *str, __u32 str_off,
+			     unsigned int str_sec_size,
+			     unsigned int *ret_size)
+{
+	int i, raw_u32_size = get_raw_sec_size(raw_u32);
+	const char *end_str = str + str_sec_size;
+	const char *next_str = str + str_off;
+	__u32 *new_u32 = NULL;
+
+	if (raw_u32_size == -1)
+		return ERR_PTR(-EINVAL);
+
+	if (!raw_u32_size) {
+		*ret_size = 0;
+		return NULL;
+	}
+
+	new_u32 = malloc(raw_u32_size);
+	if (!new_u32)
+		return ERR_PTR(-ENOMEM);
+
+	for (i = 0; i < raw_u32_size / sizeof(raw_u32[0]); i++) {
+		if (raw_u32[i] == NAME_TBD) {
+			next_str = get_next_str(next_str, end_str);
+			if (CHECK(!next_str, "Error in getting next_str\n")) {
+				free(new_u32);
+				return ERR_PTR(-EINVAL);
+			}
+			new_u32[i] = next_str - str;
+			next_str += strlen(next_str);
+		} else {
+			new_u32[i] = raw_u32[i];
+		}
+	}
+
+	*ret_size = raw_u32_size;
+	return new_u32;
+}
+
+static int test_get_finfo(const struct prog_info_raw_test *test,
+			  int prog_fd)
+{
+	struct bpf_prog_info info = {};
+	struct bpf_func_info *finfo;
+	__u32 info_len, rec_size, i;
+	void *func_info = NULL;
+	__u32 nr_func_info;
+	int err;
+
+	/* get necessary lens */
+	info_len = sizeof(struct bpf_prog_info);
+	err = bpf_obj_get_info_by_fd(prog_fd, &info, &info_len);
+	if (CHECK(err < 0, "invalid get info (1st) errno:%d", errno)) {
+		fprintf(stderr, "%s\n", btf_log_buf);
+		return -1;
+	}
+	nr_func_info = test->func_info_cnt - test->dead_func_cnt;
+	if (CHECK(info.nr_func_info != nr_func_info,
+		  "incorrect info.nr_func_info (1st) %d",
+		  info.nr_func_info)) {
+		return -1;
+	}
+
+	rec_size = info.func_info_rec_size;
+	if (CHECK(rec_size != sizeof(struct bpf_func_info),
+		  "incorrect info.func_info_rec_size (1st) %d", rec_size)) {
+		return -1;
+	}
+
+	if (!info.nr_func_info)
+		return 0;
+
+	func_info = malloc(info.nr_func_info * rec_size);
+	if (CHECK(!func_info, "out of memory"))
+		return -1;
+
+	/* reset info to only retrieve func_info related data */
+	memset(&info, 0, sizeof(info));
+	info.nr_func_info = nr_func_info;
+	info.func_info_rec_size = rec_size;
+	info.func_info = ptr_to_u64(func_info);
+	err = bpf_obj_get_info_by_fd(prog_fd, &info, &info_len);
+	if (CHECK(err < 0, "invalid get info (2nd) errno:%d", errno)) {
+		fprintf(stderr, "%s\n", btf_log_buf);
+		err = -1;
+		goto done;
+	}
+	if (CHECK(info.nr_func_info != nr_func_info,
+		  "incorrect info.nr_func_info (2nd) %d",
+		  info.nr_func_info)) {
+		err = -1;
+		goto done;
+	}
+	if (CHECK(info.func_info_rec_size != rec_size,
+		  "incorrect info.func_info_rec_size (2nd) %d",
+		  info.func_info_rec_size)) {
+		err = -1;
+		goto done;
+	}
+
+	finfo = func_info;
+	for (i = 0; i < nr_func_info; i++) {
+		if (test->dead_func_mask & (1 << i))
+			continue;
+		if (CHECK(finfo->type_id != test->func_info[i][1],
+			  "incorrect func_type %u expected %u",
+			  finfo->type_id, test->func_info[i][1])) {
+			err = -1;
+			goto done;
+		}
+		finfo = (void *)finfo + rec_size;
+	}
+
+	err = 0;
+
+done:
+	free(func_info);
+	return err;
+}
+
+static int test_get_linfo(const struct prog_info_raw_test *test,
+			  const void *patched_linfo,
+			  __u32 cnt, int prog_fd)
+{
+	__u32 i, info_len, nr_jited_ksyms, nr_jited_func_lens;
+	__u64 *jited_linfo = NULL, *jited_ksyms = NULL;
+	__u32 rec_size, jited_rec_size, jited_cnt;
+	struct bpf_line_info *linfo = NULL;
+	__u32 cur_func_len, ksyms_found;
+	struct bpf_prog_info info = {};
+	__u32 *jited_func_lens = NULL;
+	__u64 cur_func_ksyms;
+	__u32 dead_insns;
+	int err;
+
+	jited_cnt = cnt;
+	rec_size = sizeof(*linfo);
+	jited_rec_size = sizeof(*jited_linfo);
+	if (test->nr_jited_ksyms)
+		nr_jited_ksyms = test->nr_jited_ksyms;
+	else
+		nr_jited_ksyms = test->func_info_cnt - test->dead_func_cnt;
+	nr_jited_func_lens = nr_jited_ksyms;
+
+	info_len = sizeof(struct bpf_prog_info);
+	err = bpf_obj_get_info_by_fd(prog_fd, &info, &info_len);
+	if (CHECK(err < 0, "err:%d errno:%d", err, errno)) {
+		err = -1;
+		goto done;
+	}
+
+	if (!info.jited_prog_len) {
+		/* prog is not jited */
+		jited_cnt = 0;
+		nr_jited_ksyms = 1;
+		nr_jited_func_lens = 1;
+	}
+
+	if (CHECK(info.nr_line_info != cnt ||
+		  info.nr_jited_line_info != jited_cnt ||
+		  info.nr_jited_ksyms != nr_jited_ksyms ||
+		  info.nr_jited_func_lens != nr_jited_func_lens ||
+		  (!info.nr_line_info && info.nr_jited_line_info),
+		  "info: nr_line_info:%u(expected:%u) nr_jited_line_info:%u(expected:%u) nr_jited_ksyms:%u(expected:%u) nr_jited_func_lens:%u(expected:%u)",
+		  info.nr_line_info, cnt,
+		  info.nr_jited_line_info, jited_cnt,
+		  info.nr_jited_ksyms, nr_jited_ksyms,
+		  info.nr_jited_func_lens, nr_jited_func_lens)) {
+		err = -1;
+		goto done;
+	}
+
+	if (CHECK(info.line_info_rec_size != sizeof(struct bpf_line_info) ||
+		  info.jited_line_info_rec_size != sizeof(__u64),
+		  "info: line_info_rec_size:%u(userspace expected:%u) jited_line_info_rec_size:%u(userspace expected:%u)",
+		  info.line_info_rec_size, rec_size,
+		  info.jited_line_info_rec_size, jited_rec_size)) {
+		err = -1;
+		goto done;
+	}
+
+	if (!cnt)
+		return 0;
+
+	rec_size = info.line_info_rec_size;
+	jited_rec_size = info.jited_line_info_rec_size;
+
+	memset(&info, 0, sizeof(info));
+
+	linfo = calloc(cnt, rec_size);
+	if (CHECK(!linfo, "!linfo")) {
+		err = -1;
+		goto done;
+	}
+	info.nr_line_info = cnt;
+	info.line_info_rec_size = rec_size;
+	info.line_info = ptr_to_u64(linfo);
+
+	if (jited_cnt) {
+		jited_linfo = calloc(jited_cnt, jited_rec_size);
+		jited_ksyms = calloc(nr_jited_ksyms, sizeof(*jited_ksyms));
+		jited_func_lens = calloc(nr_jited_func_lens,
+					 sizeof(*jited_func_lens));
+		if (CHECK(!jited_linfo || !jited_ksyms || !jited_func_lens,
+			  "jited_linfo:%p jited_ksyms:%p jited_func_lens:%p",
+			  jited_linfo, jited_ksyms, jited_func_lens)) {
+			err = -1;
+			goto done;
+		}
+
+		info.nr_jited_line_info = jited_cnt;
+		info.jited_line_info_rec_size = jited_rec_size;
+		info.jited_line_info = ptr_to_u64(jited_linfo);
+		info.nr_jited_ksyms = nr_jited_ksyms;
+		info.jited_ksyms = ptr_to_u64(jited_ksyms);
+		info.nr_jited_func_lens = nr_jited_func_lens;
+		info.jited_func_lens = ptr_to_u64(jited_func_lens);
+	}
+
+	err = bpf_obj_get_info_by_fd(prog_fd, &info, &info_len);
+
+	/*
+	 * Only recheck the info.*line_info* fields.
+	 * Other fields are not the concern of this test.
+	 */
+	if (CHECK(err < 0 ||
+		  info.nr_line_info != cnt ||
+		  (jited_cnt && !info.jited_line_info) ||
+		  info.nr_jited_line_info != jited_cnt ||
+		  info.line_info_rec_size != rec_size ||
+		  info.jited_line_info_rec_size != jited_rec_size,
+		  "err:%d errno:%d info: nr_line_info:%u(expected:%u) nr_jited_line_info:%u(expected:%u) line_info_rec_size:%u(expected:%u) jited_linfo_rec_size:%u(expected:%u) line_info:%p jited_line_info:%p",
+		  err, errno,
+		  info.nr_line_info, cnt,
+		  info.nr_jited_line_info, jited_cnt,
+		  info.line_info_rec_size, rec_size,
+		  info.jited_line_info_rec_size, jited_rec_size,
+		  (void *)(long)info.line_info,
+		  (void *)(long)info.jited_line_info)) {
+		err = -1;
+		goto done;
+	}
+
+	dead_insns = 0;
+	while (test->dead_code_mask & (1 << dead_insns))
+		dead_insns++;
+
+	CHECK(linfo[0].insn_off, "linfo[0].insn_off:%u",
+	      linfo[0].insn_off);
+	for (i = 1; i < cnt; i++) {
+		const struct bpf_line_info *expected_linfo;
+
+		while (test->dead_code_mask & (1 << (i + dead_insns)))
+			dead_insns++;
+
+		expected_linfo = patched_linfo +
+			((i + dead_insns) * test->line_info_rec_size);
+		if (CHECK(linfo[i].insn_off <= linfo[i - 1].insn_off,
+			  "linfo[%u].insn_off:%u <= linfo[%u].insn_off:%u",
+			  i, linfo[i].insn_off,
+			  i - 1, linfo[i - 1].insn_off)) {
+			err = -1;
+			goto done;
+		}
+		if (CHECK(linfo[i].file_name_off != expected_linfo->file_name_off ||
+			  linfo[i].line_off != expected_linfo->line_off ||
+			  linfo[i].line_col != expected_linfo->line_col,
+			  "linfo[%u] (%u, %u, %u) != (%u, %u, %u)", i,
+			  linfo[i].file_name_off,
+			  linfo[i].line_off,
+			  linfo[i].line_col,
+			  expected_linfo->file_name_off,
+			  expected_linfo->line_off,
+			  expected_linfo->line_col)) {
+			err = -1;
+			goto done;
+		}
+	}
+
+	if (!jited_cnt) {
+		fprintf(stderr, "not jited. skipping jited_line_info check. ");
+		err = 0;
+		goto done;
+	}
+
+	if (CHECK(jited_linfo[0] != jited_ksyms[0],
+		  "jited_linfo[0]:%lx != jited_ksyms[0]:%lx",
+		  (long)(jited_linfo[0]), (long)(jited_ksyms[0]))) {
+		err = -1;
+		goto done;
+	}
+
+	ksyms_found = 1;
+	cur_func_len = jited_func_lens[0];
+	cur_func_ksyms = jited_ksyms[0];
+	for (i = 1; i < jited_cnt; i++) {
+		if (ksyms_found < nr_jited_ksyms &&
+		    jited_linfo[i] == jited_ksyms[ksyms_found]) {
+			cur_func_ksyms = jited_ksyms[ksyms_found];
+			cur_func_len = jited_ksyms[ksyms_found];
+			ksyms_found++;
+			continue;
+		}
+
+		if (CHECK(jited_linfo[i] <= jited_linfo[i - 1],
+			  "jited_linfo[%u]:%lx <= jited_linfo[%u]:%lx",
+			  i, (long)jited_linfo[i],
+			  i - 1, (long)(jited_linfo[i - 1]))) {
+			err = -1;
+			goto done;
+		}
+
+		if (CHECK(jited_linfo[i] - cur_func_ksyms > cur_func_len,
+			  "jited_linfo[%u]:%lx - %lx > %u",
+			  i, (long)jited_linfo[i], (long)cur_func_ksyms,
+			  cur_func_len)) {
+			err = -1;
+			goto done;
+		}
+	}
+
+	if (CHECK(ksyms_found != nr_jited_ksyms,
+		  "ksyms_found:%u != nr_jited_ksyms:%u",
+		  ksyms_found, nr_jited_ksyms)) {
+		err = -1;
+		goto done;
+	}
+
+	err = 0;
+
+done:
+	free(linfo);
+	free(jited_linfo);
+	free(jited_ksyms);
+	free(jited_func_lens);
+	return err;
+}
+
+static void do_test_info_raw(unsigned int test_num)
+{
+	const struct prog_info_raw_test *test = &info_raw_tests[test_num - 1];
+	unsigned int raw_btf_size, linfo_str_off, linfo_size = 0;
+	int btf_fd = -1, prog_fd = -1, err = 0;
+	void *raw_btf, *patched_linfo = NULL;
+	const char *ret_next_str;
+	union bpf_attr attr = {};
+
+	if (!test__start_subtest(test->descr))
+		return;
+
+	raw_btf = btf_raw_create(&hdr_tmpl, test->raw_types,
+				 test->str_sec, test->str_sec_size,
+				 &raw_btf_size, &ret_next_str);
+	if (!raw_btf)
+		return;
+
+	*btf_log_buf = '\0';
+	btf_fd = load_raw_btf(raw_btf, raw_btf_size);
+	free(raw_btf);
+
+	if (CHECK(btf_fd < 0, "invalid btf_fd errno:%d", errno)) {
+		err = -1;
+		goto done;
+	}
+
+	if (*btf_log_buf && always_log)
+		fprintf(stderr, "\n%s", btf_log_buf);
+	*btf_log_buf = '\0';
+
+	linfo_str_off = ret_next_str - test->str_sec;
+	patched_linfo = patch_name_tbd(test->line_info,
+				       test->str_sec, linfo_str_off,
+				       test->str_sec_size, &linfo_size);
+	err = libbpf_get_error(patched_linfo);
+	if (err) {
+		fprintf(stderr, "error in creating raw bpf_line_info");
+		err = -1;
+		goto done;
+	}
+
+	attr.prog_type = test->prog_type;
+	attr.insns = ptr_to_u64(test->insns);
+	attr.insn_cnt = probe_prog_length(test->insns);
+	attr.license = ptr_to_u64("GPL");
+	attr.prog_btf_fd = btf_fd;
+	attr.func_info_rec_size = test->func_info_rec_size;
+	attr.func_info_cnt = test->func_info_cnt;
+	attr.func_info = ptr_to_u64(test->func_info);
+	attr.log_buf = ptr_to_u64(btf_log_buf);
+	attr.log_size = BTF_LOG_BUF_SIZE;
+	attr.log_level = 1;
+	if (linfo_size) {
+		attr.line_info_rec_size = test->line_info_rec_size;
+		attr.line_info = ptr_to_u64(patched_linfo);
+		attr.line_info_cnt = linfo_size / attr.line_info_rec_size;
+	}
+
+	prog_fd = syscall(__NR_bpf, BPF_PROG_LOAD, &attr, sizeof(attr));
+	err = ((prog_fd < 0) != test->expected_prog_load_failure);
+	if (CHECK(err, "prog_fd:%d expected_prog_load_failure:%u errno:%d",
+		  prog_fd, test->expected_prog_load_failure, errno) ||
+	    CHECK(test->err_str && !strstr(btf_log_buf, test->err_str),
+		  "expected err_str:%s", test->err_str)) {
+		err = -1;
+		goto done;
+	}
+
+	if (prog_fd < 0)
+		goto done;
+
+	err = test_get_finfo(test, prog_fd);
+	if (err)
+		goto done;
+
+	err = test_get_linfo(test, patched_linfo,
+			     attr.line_info_cnt - test->dead_code_cnt,
+			     prog_fd);
+	if (err)
+		goto done;
+
+done:
+	if (*btf_log_buf && (err || always_log))
+		fprintf(stderr, "\n%s", btf_log_buf);
+
+	if (btf_fd >= 0)
+		close(btf_fd);
+	if (prog_fd >= 0)
+		close(prog_fd);
+
+	if (!libbpf_get_error(patched_linfo))
+		free(patched_linfo);
+}
+
+struct btf_raw_data {
+	__u32 raw_types[MAX_NR_RAW_U32];
+	const char *str_sec;
+	__u32 str_sec_size;
+};
+
+struct btf_dedup_test {
+	const char *descr;
+	struct btf_raw_data input;
+	struct btf_raw_data expect;
+	struct btf_dedup_opts opts;
+};
+
+static struct btf_dedup_test dedup_tests[] = {
+
+{
+	.descr = "dedup: unused strings filtering",
+	.input = {
+		.raw_types = {
+			BTF_TYPE_INT_ENC(NAME_NTH(2), BTF_INT_SIGNED, 0, 32, 4),
+			BTF_TYPE_INT_ENC(NAME_NTH(5), BTF_INT_SIGNED, 0, 64, 8),
+			BTF_END_RAW,
+		},
+		BTF_STR_SEC("\0unused\0int\0foo\0bar\0long"),
+	},
+	.expect = {
+		.raw_types = {
+			BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_SIGNED, 0, 32, 4),
+			BTF_TYPE_INT_ENC(NAME_NTH(2), BTF_INT_SIGNED, 0, 64, 8),
+			BTF_END_RAW,
+		},
+		BTF_STR_SEC("\0int\0long"),
+	},
+},
+{
+	.descr = "dedup: strings deduplication",
+	.input = {
+		.raw_types = {
+			BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_SIGNED, 0, 32, 4),
+			BTF_TYPE_INT_ENC(NAME_NTH(2), BTF_INT_SIGNED, 0, 64, 8),
+			BTF_TYPE_INT_ENC(NAME_NTH(3), BTF_INT_SIGNED, 0, 32, 4),
+			BTF_TYPE_INT_ENC(NAME_NTH(4), BTF_INT_SIGNED, 0, 64, 8),
+			BTF_TYPE_INT_ENC(NAME_NTH(5), BTF_INT_SIGNED, 0, 32, 4),
+			BTF_END_RAW,
+		},
+		BTF_STR_SEC("\0int\0long int\0int\0long int\0int"),
+	},
+	.expect = {
+		.raw_types = {
+			BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_SIGNED, 0, 32, 4),
+			BTF_TYPE_INT_ENC(NAME_NTH(2), BTF_INT_SIGNED, 0, 64, 8),
+			BTF_END_RAW,
+		},
+		BTF_STR_SEC("\0int\0long int"),
+	},
+},
+{
+	.descr = "dedup: struct example #1",
+	/*
+	 * struct s {
+	 *	struct s *next;
+	 *	const int *a;
+	 *	int b[16];
+	 *	int c;
+	 * }
+	 */
+	.input = {
+		.raw_types = {
+			/* int */
+			BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_SIGNED, 0, 32, 4),	/* [1] */
+			/* int[16] */
+			BTF_TYPE_ARRAY_ENC(1, 1, 16),					/* [2] */
+			/* struct s { */
+			BTF_STRUCT_ENC(NAME_NTH(2), 5, 88),				/* [3] */
+				BTF_MEMBER_ENC(NAME_NTH(3), 4, 0),	/* struct s *next;	*/
+				BTF_MEMBER_ENC(NAME_NTH(4), 5, 64),	/* const int *a;	*/
+				BTF_MEMBER_ENC(NAME_NTH(5), 2, 128),	/* int b[16];		*/
+				BTF_MEMBER_ENC(NAME_NTH(6), 1, 640),	/* int c;		*/
+				BTF_MEMBER_ENC(NAME_NTH(8), 15, 672),	/* float d;		*/
+			/* ptr -> [3] struct s */
+			BTF_PTR_ENC(3),							/* [4] */
+			/* ptr -> [6] const int */
+			BTF_PTR_ENC(6),							/* [5] */
+			/* const -> [1] int */
+			BTF_CONST_ENC(1),						/* [6] */
+			/* tag -> [3] struct s */
+			BTF_DECL_TAG_ENC(NAME_NTH(2), 3, -1),				/* [7] */
+			/* tag -> [3] struct s, member 1 */
+			BTF_DECL_TAG_ENC(NAME_NTH(2), 3, 1),				/* [8] */
+
+			/* full copy of the above */
+			BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_SIGNED, 0, 32, 4),	/* [9] */
+			BTF_TYPE_ARRAY_ENC(9, 9, 16),					/* [10] */
+			BTF_STRUCT_ENC(NAME_NTH(2), 5, 88),				/* [11] */
+				BTF_MEMBER_ENC(NAME_NTH(3), 12, 0),
+				BTF_MEMBER_ENC(NAME_NTH(4), 13, 64),
+				BTF_MEMBER_ENC(NAME_NTH(5), 10, 128),
+				BTF_MEMBER_ENC(NAME_NTH(6), 9, 640),
+				BTF_MEMBER_ENC(NAME_NTH(8), 15, 672),
+			BTF_PTR_ENC(11),						/* [12] */
+			BTF_PTR_ENC(14),						/* [13] */
+			BTF_CONST_ENC(9),						/* [14] */
+			BTF_TYPE_FLOAT_ENC(NAME_NTH(7), 4),				/* [15] */
+			BTF_DECL_TAG_ENC(NAME_NTH(2), 11, -1),				/* [16] */
+			BTF_DECL_TAG_ENC(NAME_NTH(2), 11, 1),				/* [17] */
+			BTF_END_RAW,
+		},
+		BTF_STR_SEC("\0int\0s\0next\0a\0b\0c\0float\0d"),
+	},
+	.expect = {
+		.raw_types = {
+			/* int */
+			BTF_TYPE_INT_ENC(NAME_NTH(5), BTF_INT_SIGNED, 0, 32, 4),	/* [1] */
+			/* int[16] */
+			BTF_TYPE_ARRAY_ENC(1, 1, 16),					/* [2] */
+			/* struct s { */
+			BTF_STRUCT_ENC(NAME_NTH(8), 5, 88),				/* [3] */
+				BTF_MEMBER_ENC(NAME_NTH(7), 4, 0),	/* struct s *next;	*/
+				BTF_MEMBER_ENC(NAME_NTH(1), 5, 64),	/* const int *a;	*/
+				BTF_MEMBER_ENC(NAME_NTH(2), 2, 128),	/* int b[16];		*/
+				BTF_MEMBER_ENC(NAME_NTH(3), 1, 640),	/* int c;		*/
+				BTF_MEMBER_ENC(NAME_NTH(4), 9, 672),	/* float d;		*/
+			/* ptr -> [3] struct s */
+			BTF_PTR_ENC(3),							/* [4] */
+			/* ptr -> [6] const int */
+			BTF_PTR_ENC(6),							/* [5] */
+			/* const -> [1] int */
+			BTF_CONST_ENC(1),						/* [6] */
+			BTF_DECL_TAG_ENC(NAME_NTH(2), 3, -1),				/* [7] */
+			BTF_DECL_TAG_ENC(NAME_NTH(2), 3, 1),				/* [8] */
+			BTF_TYPE_FLOAT_ENC(NAME_NTH(7), 4),				/* [9] */
+			BTF_END_RAW,
+		},
+		BTF_STR_SEC("\0a\0b\0c\0d\0int\0float\0next\0s"),
+	},
+},
+{
+	.descr = "dedup: struct <-> fwd resolution w/ hash collision",
+	/*
+	 * // CU 1:
+	 * struct x;
+	 * struct s {
+	 *	struct x *x;
+	 * };
+	 * // CU 2:
+	 * struct x {};
+	 * struct s {
+	 *	struct x *x;
+	 * };
+	 */
+	.input = {
+		.raw_types = {
+			/* CU 1 */
+			BTF_FWD_ENC(NAME_TBD, 0 /* struct fwd */),	/* [1] fwd x      */
+			BTF_PTR_ENC(1),					/* [2] ptr -> [1] */
+			BTF_STRUCT_ENC(NAME_TBD, 1, 8),			/* [3] struct s   */
+				BTF_MEMBER_ENC(NAME_TBD, 2, 0),
+			/* CU 2 */
+			BTF_STRUCT_ENC(NAME_TBD, 0, 0),			/* [4] struct x   */
+			BTF_PTR_ENC(4),					/* [5] ptr -> [4] */
+			BTF_STRUCT_ENC(NAME_TBD, 1, 8),			/* [6] struct s   */
+				BTF_MEMBER_ENC(NAME_TBD, 5, 0),
+			BTF_END_RAW,
+		},
+		BTF_STR_SEC("\0x\0s\0x\0x\0s\0x\0"),
+	},
+	.expect = {
+		.raw_types = {
+			BTF_PTR_ENC(3),					/* [1] ptr -> [3] */
+			BTF_STRUCT_ENC(NAME_TBD, 1, 8),			/* [2] struct s   */
+				BTF_MEMBER_ENC(NAME_TBD, 1, 0),
+			BTF_STRUCT_ENC(NAME_NTH(2), 0, 0),		/* [3] struct x   */
+			BTF_END_RAW,
+		},
+		BTF_STR_SEC("\0s\0x"),
+	},
+	.opts = {
+		.force_collisions = true, /* force hash collisions */
+	},
+},
+{
+	.descr = "dedup: void equiv check",
+	/*
+	 * // CU 1:
+	 * struct s {
+	 *	struct {} *x;
+	 * };
+	 * // CU 2:
+	 * struct s {
+	 *	int *x;
+	 * };
+	 */
+	.input = {
+		.raw_types = {
+			/* CU 1 */
+			BTF_STRUCT_ENC(0, 0, 1),				/* [1] struct {}  */
+			BTF_PTR_ENC(1),						/* [2] ptr -> [1] */
+			BTF_STRUCT_ENC(NAME_NTH(1), 1, 8),			/* [3] struct s   */
+				BTF_MEMBER_ENC(NAME_NTH(2), 2, 0),
+			/* CU 2 */
+			BTF_PTR_ENC(0),						/* [4] ptr -> void */
+			BTF_STRUCT_ENC(NAME_NTH(1), 1, 8),			/* [5] struct s   */
+				BTF_MEMBER_ENC(NAME_NTH(2), 4, 0),
+			BTF_END_RAW,
+		},
+		BTF_STR_SEC("\0s\0x"),
+	},
+	.expect = {
+		.raw_types = {
+			/* CU 1 */
+			BTF_STRUCT_ENC(0, 0, 1),				/* [1] struct {}  */
+			BTF_PTR_ENC(1),						/* [2] ptr -> [1] */
+			BTF_STRUCT_ENC(NAME_NTH(1), 1, 8),			/* [3] struct s   */
+				BTF_MEMBER_ENC(NAME_NTH(2), 2, 0),
+			/* CU 2 */
+			BTF_PTR_ENC(0),						/* [4] ptr -> void */
+			BTF_STRUCT_ENC(NAME_NTH(1), 1, 8),			/* [5] struct s   */
+				BTF_MEMBER_ENC(NAME_NTH(2), 4, 0),
+			BTF_END_RAW,
+		},
+		BTF_STR_SEC("\0s\0x"),
+	},
+	.opts = {
+		.force_collisions = true, /* force hash collisions */
+	},
+},
+{
+	.descr = "dedup: all possible kinds (no duplicates)",
+	.input = {
+		.raw_types = {
+			BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 8),		/* [1] int */
+			BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_ENUM, 0, 2), 4),	/* [2] enum */
+				BTF_ENUM_ENC(NAME_TBD, 0),
+				BTF_ENUM_ENC(NAME_TBD, 1),
+			BTF_FWD_ENC(NAME_TBD, 1 /* union kind_flag */),			/* [3] fwd */
+			BTF_TYPE_ARRAY_ENC(2, 1, 7),					/* [4] array */
+			BTF_STRUCT_ENC(NAME_TBD, 1, 4),					/* [5] struct */
+				BTF_MEMBER_ENC(NAME_TBD, 1, 0),
+			BTF_UNION_ENC(NAME_TBD, 1, 4),					/* [6] union */
+				BTF_MEMBER_ENC(NAME_TBD, 1, 0),
+			BTF_TYPEDEF_ENC(NAME_TBD, 1),					/* [7] typedef */
+			BTF_PTR_ENC(0),							/* [8] ptr */
+			BTF_CONST_ENC(8),						/* [9] const */
+			BTF_VOLATILE_ENC(8),						/* [10] volatile */
+			BTF_RESTRICT_ENC(8),						/* [11] restrict */
+			BTF_FUNC_PROTO_ENC(1, 2),					/* [12] func_proto */
+				BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1),
+				BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 18),
+			BTF_FUNC_ENC(NAME_TBD, 12),					/* [13] func */
+			BTF_TYPE_FLOAT_ENC(NAME_TBD, 2),				/* [14] float */
+			BTF_DECL_TAG_ENC(NAME_TBD, 13, -1),				/* [15] decl_tag */
+			BTF_DECL_TAG_ENC(NAME_TBD, 13, 1),				/* [16] decl_tag */
+			BTF_DECL_TAG_ENC(NAME_TBD, 7, -1),				/* [17] decl_tag */
+			BTF_TYPE_TAG_ENC(NAME_TBD, 8),					/* [18] type_tag */
+			BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_ENUM64, 0, 2), 8),	/* [19] enum64 */
+				BTF_ENUM64_ENC(NAME_TBD, 0, 0),
+				BTF_ENUM64_ENC(NAME_TBD, 1, 1),
+			BTF_END_RAW,
+		},
+		BTF_STR_SEC("\0A\0B\0C\0D\0E\0F\0G\0H\0I\0J\0K\0L\0M\0N\0O\0P\0Q\0R\0S\0T\0U"),
+	},
+	.expect = {
+		.raw_types = {
+			BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 8),		/* [1] int */
+			BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_ENUM, 0, 2), 4),	/* [2] enum */
+				BTF_ENUM_ENC(NAME_TBD, 0),
+				BTF_ENUM_ENC(NAME_TBD, 1),
+			BTF_FWD_ENC(NAME_TBD, 1 /* union kind_flag */),			/* [3] fwd */
+			BTF_TYPE_ARRAY_ENC(2, 1, 7),					/* [4] array */
+			BTF_STRUCT_ENC(NAME_TBD, 1, 4),					/* [5] struct */
+				BTF_MEMBER_ENC(NAME_TBD, 1, 0),
+			BTF_UNION_ENC(NAME_TBD, 1, 4),					/* [6] union */
+				BTF_MEMBER_ENC(NAME_TBD, 1, 0),
+			BTF_TYPEDEF_ENC(NAME_TBD, 1),					/* [7] typedef */
+			BTF_PTR_ENC(0),							/* [8] ptr */
+			BTF_CONST_ENC(8),						/* [9] const */
+			BTF_VOLATILE_ENC(8),						/* [10] volatile */
+			BTF_RESTRICT_ENC(8),						/* [11] restrict */
+			BTF_FUNC_PROTO_ENC(1, 2),					/* [12] func_proto */
+				BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1),
+				BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 18),
+			BTF_FUNC_ENC(NAME_TBD, 12),					/* [13] func */
+			BTF_TYPE_FLOAT_ENC(NAME_TBD, 2),				/* [14] float */
+			BTF_DECL_TAG_ENC(NAME_TBD, 13, -1),				/* [15] decl_tag */
+			BTF_DECL_TAG_ENC(NAME_TBD, 13, 1),				/* [16] decl_tag */
+			BTF_DECL_TAG_ENC(NAME_TBD, 7, -1),				/* [17] decl_tag */
+			BTF_TYPE_TAG_ENC(NAME_TBD, 8),					/* [18] type_tag */
+			BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_ENUM64, 0, 2), 8),	/* [19] enum64 */
+				BTF_ENUM64_ENC(NAME_TBD, 0, 0),
+				BTF_ENUM64_ENC(NAME_TBD, 1, 1),
+			BTF_END_RAW,
+		},
+		BTF_STR_SEC("\0A\0B\0C\0D\0E\0F\0G\0H\0I\0J\0K\0L\0M\0N\0O\0P\0Q\0R\0S\0T\0U"),
+	},
+},
+{
+	.descr = "dedup: no int/float duplicates",
+	.input = {
+		.raw_types = {
+			BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_SIGNED, 0, 32, 8),
+			/* different name */
+			BTF_TYPE_INT_ENC(NAME_NTH(2), BTF_INT_SIGNED, 0, 32, 8),
+			/* different encoding */
+			BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_CHAR, 0, 32, 8),
+			BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_BOOL, 0, 32, 8),
+			/* different bit offset */
+			BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_SIGNED, 8, 32, 8),
+			/* different bit size */
+			BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_SIGNED, 0, 27, 8),
+			/* different byte size */
+			BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_SIGNED, 0, 32, 4),
+			/* all allowed sizes */
+			BTF_TYPE_FLOAT_ENC(NAME_NTH(3), 2),
+			BTF_TYPE_FLOAT_ENC(NAME_NTH(3), 4),
+			BTF_TYPE_FLOAT_ENC(NAME_NTH(3), 8),
+			BTF_TYPE_FLOAT_ENC(NAME_NTH(3), 12),
+			BTF_TYPE_FLOAT_ENC(NAME_NTH(3), 16),
+			BTF_END_RAW,
+		},
+		BTF_STR_SEC("\0int\0some other int\0float"),
+	},
+	.expect = {
+		.raw_types = {
+			BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_SIGNED, 0, 32, 8),
+			/* different name */
+			BTF_TYPE_INT_ENC(NAME_NTH(2), BTF_INT_SIGNED, 0, 32, 8),
+			/* different encoding */
+			BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_CHAR, 0, 32, 8),
+			BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_BOOL, 0, 32, 8),
+			/* different bit offset */
+			BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_SIGNED, 8, 32, 8),
+			/* different bit size */
+			BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_SIGNED, 0, 27, 8),
+			/* different byte size */
+			BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_SIGNED, 0, 32, 4),
+			/* all allowed sizes */
+			BTF_TYPE_FLOAT_ENC(NAME_NTH(3), 2),
+			BTF_TYPE_FLOAT_ENC(NAME_NTH(3), 4),
+			BTF_TYPE_FLOAT_ENC(NAME_NTH(3), 8),
+			BTF_TYPE_FLOAT_ENC(NAME_NTH(3), 12),
+			BTF_TYPE_FLOAT_ENC(NAME_NTH(3), 16),
+			BTF_END_RAW,
+		},
+		BTF_STR_SEC("\0int\0some other int\0float"),
+	},
+},
+{
+	.descr = "dedup: enum fwd resolution",
+	.input = {
+		.raw_types = {
+			/* [1] fwd enum 'e1' before full enum */
+			BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM, 0, 0), 4),
+			/* [2] full enum 'e1' after fwd */
+			BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM, 0, 1), 4),
+				BTF_ENUM_ENC(NAME_NTH(2), 123),
+			/* [3] full enum 'e2' before fwd */
+			BTF_TYPE_ENC(NAME_NTH(3), BTF_INFO_ENC(BTF_KIND_ENUM, 0, 1), 4),
+				BTF_ENUM_ENC(NAME_NTH(4), 456),
+			/* [4] fwd enum 'e2' after full enum */
+			BTF_TYPE_ENC(NAME_NTH(3), BTF_INFO_ENC(BTF_KIND_ENUM, 0, 0), 4),
+			/* [5] incompatible fwd enum with different size */
+			BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM, 0, 0), 1),
+			/* [6] incompatible full enum with different value */
+			BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM, 0, 1), 4),
+				BTF_ENUM_ENC(NAME_NTH(2), 321),
+			BTF_END_RAW,
+		},
+		BTF_STR_SEC("\0e1\0e1_val\0e2\0e2_val"),
+	},
+	.expect = {
+		.raw_types = {
+			/* [1] full enum 'e1' */
+			BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM, 0, 1), 4),
+				BTF_ENUM_ENC(NAME_NTH(2), 123),
+			/* [2] full enum 'e2' */
+			BTF_TYPE_ENC(NAME_NTH(3), BTF_INFO_ENC(BTF_KIND_ENUM, 0, 1), 4),
+				BTF_ENUM_ENC(NAME_NTH(4), 456),
+			/* [3] incompatible fwd enum with different size */
+			BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM, 0, 0), 1),
+			/* [4] incompatible full enum with different value */
+			BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM, 0, 1), 4),
+				BTF_ENUM_ENC(NAME_NTH(2), 321),
+			BTF_END_RAW,
+		},
+		BTF_STR_SEC("\0e1\0e1_val\0e2\0e2_val"),
+	},
+},
+{
+	.descr = "dedup: datasec and vars pass-through",
+	.input = {
+		.raw_types = {
+			/* int */
+			BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),	/* [1] */
+			/* static int t */
+			BTF_VAR_ENC(NAME_NTH(2), 1, 0),			/* [2] */
+			/* .bss section */				/* [3] */
+			BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_DATASEC, 0, 1), 4),
+			BTF_VAR_SECINFO_ENC(2, 0, 4),
+			/* int, referenced from [5] */
+			BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),	/* [4] */
+			/* another static int t */
+			BTF_VAR_ENC(NAME_NTH(2), 4, 0),			/* [5] */
+			/* another .bss section */			/* [6] */
+			BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_DATASEC, 0, 1), 4),
+			BTF_VAR_SECINFO_ENC(5, 0, 4),
+			BTF_END_RAW,
+		},
+		BTF_STR_SEC("\0.bss\0t"),
+	},
+	.expect = {
+		.raw_types = {
+			/* int */
+			BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),	/* [1] */
+			/* static int t */
+			BTF_VAR_ENC(NAME_NTH(2), 1, 0),			/* [2] */
+			/* .bss section */				/* [3] */
+			BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_DATASEC, 0, 1), 4),
+			BTF_VAR_SECINFO_ENC(2, 0, 4),
+			/* another static int t */
+			BTF_VAR_ENC(NAME_NTH(2), 1, 0),			/* [4] */
+			/* another .bss section */			/* [5] */
+			BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_DATASEC, 0, 1), 4),
+			BTF_VAR_SECINFO_ENC(4, 0, 4),
+			BTF_END_RAW,
+		},
+		BTF_STR_SEC("\0.bss\0t"),
+	},
+	.opts = {
+		.force_collisions = true
+	},
+},
+{
+	.descr = "dedup: func/func_arg/var tags",
+	.input = {
+		.raw_types = {
+			/* int */
+			BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),	/* [1] */
+			/* static int t */
+			BTF_VAR_ENC(NAME_NTH(1), 1, 0),			/* [2] */
+			/* void f(int a1, int a2) */
+			BTF_FUNC_PROTO_ENC(0, 2),			/* [3] */
+				BTF_FUNC_PROTO_ARG_ENC(NAME_NTH(2), 1),
+				BTF_FUNC_PROTO_ARG_ENC(NAME_NTH(3), 1),
+			BTF_FUNC_ENC(NAME_NTH(4), 2),			/* [4] */
+			/* tag -> t */
+			BTF_DECL_TAG_ENC(NAME_NTH(5), 2, -1),		/* [5] */
+			BTF_DECL_TAG_ENC(NAME_NTH(5), 2, -1),		/* [6] */
+			/* tag -> func */
+			BTF_DECL_TAG_ENC(NAME_NTH(5), 4, -1),		/* [7] */
+			BTF_DECL_TAG_ENC(NAME_NTH(5), 4, -1),		/* [8] */
+			/* tag -> func arg a1 */
+			BTF_DECL_TAG_ENC(NAME_NTH(5), 4, 1),		/* [9] */
+			BTF_DECL_TAG_ENC(NAME_NTH(5), 4, 1),		/* [10] */
+			BTF_END_RAW,
+		},
+		BTF_STR_SEC("\0t\0a1\0a2\0f\0tag"),
+	},
+	.expect = {
+		.raw_types = {
+			BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),	/* [1] */
+			BTF_VAR_ENC(NAME_NTH(1), 1, 0),			/* [2] */
+			BTF_FUNC_PROTO_ENC(0, 2),			/* [3] */
+				BTF_FUNC_PROTO_ARG_ENC(NAME_NTH(2), 1),
+				BTF_FUNC_PROTO_ARG_ENC(NAME_NTH(3), 1),
+			BTF_FUNC_ENC(NAME_NTH(4), 2),			/* [4] */
+			BTF_DECL_TAG_ENC(NAME_NTH(5), 2, -1),		/* [5] */
+			BTF_DECL_TAG_ENC(NAME_NTH(5), 4, -1),		/* [6] */
+			BTF_DECL_TAG_ENC(NAME_NTH(5), 4, 1),		/* [7] */
+			BTF_END_RAW,
+		},
+		BTF_STR_SEC("\0t\0a1\0a2\0f\0tag"),
+	},
+},
+{
+	.descr = "dedup: func/func_param tags",
+	.input = {
+		.raw_types = {
+			/* int */
+			BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),	/* [1] */
+			/* void f(int a1, int a2) */
+			BTF_FUNC_PROTO_ENC(0, 2),			/* [2] */
+				BTF_FUNC_PROTO_ARG_ENC(NAME_NTH(1), 1),
+				BTF_FUNC_PROTO_ARG_ENC(NAME_NTH(2), 1),
+			BTF_FUNC_ENC(NAME_NTH(3), 2),			/* [3] */
+			/* void f(int a1, int a2) */
+			BTF_FUNC_PROTO_ENC(0, 2),			/* [4] */
+				BTF_FUNC_PROTO_ARG_ENC(NAME_NTH(1), 1),
+				BTF_FUNC_PROTO_ARG_ENC(NAME_NTH(2), 1),
+			BTF_FUNC_ENC(NAME_NTH(3), 4),			/* [5] */
+			/* tag -> f: tag1, tag2 */
+			BTF_DECL_TAG_ENC(NAME_NTH(4), 3, -1),		/* [6] */
+			BTF_DECL_TAG_ENC(NAME_NTH(5), 3, -1),		/* [7] */
+			/* tag -> f/a2: tag1, tag2 */
+			BTF_DECL_TAG_ENC(NAME_NTH(4), 3, 1),		/* [8] */
+			BTF_DECL_TAG_ENC(NAME_NTH(5), 3, 1),		/* [9] */
+			/* tag -> f: tag1, tag3 */
+			BTF_DECL_TAG_ENC(NAME_NTH(4), 5, -1),		/* [10] */
+			BTF_DECL_TAG_ENC(NAME_NTH(6), 5, -1),		/* [11] */
+			/* tag -> f/a2: tag1, tag3 */
+			BTF_DECL_TAG_ENC(NAME_NTH(4), 5, 1),		/* [12] */
+			BTF_DECL_TAG_ENC(NAME_NTH(6), 5, 1),		/* [13] */
+			BTF_END_RAW,
+		},
+		BTF_STR_SEC("\0a1\0a2\0f\0tag1\0tag2\0tag3"),
+	},
+	.expect = {
+		.raw_types = {
+			BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),	/* [1] */
+			BTF_FUNC_PROTO_ENC(0, 2),			/* [2] */
+				BTF_FUNC_PROTO_ARG_ENC(NAME_NTH(1), 1),
+				BTF_FUNC_PROTO_ARG_ENC(NAME_NTH(2), 1),
+			BTF_FUNC_ENC(NAME_NTH(3), 2),			/* [3] */
+			BTF_DECL_TAG_ENC(NAME_NTH(4), 3, -1),		/* [4] */
+			BTF_DECL_TAG_ENC(NAME_NTH(5), 3, -1),		/* [5] */
+			BTF_DECL_TAG_ENC(NAME_NTH(6), 3, -1),		/* [6] */
+			BTF_DECL_TAG_ENC(NAME_NTH(4), 3, 1),		/* [7] */
+			BTF_DECL_TAG_ENC(NAME_NTH(5), 3, 1),		/* [8] */
+			BTF_DECL_TAG_ENC(NAME_NTH(6), 3, 1),		/* [9] */
+			BTF_END_RAW,
+		},
+		BTF_STR_SEC("\0a1\0a2\0f\0tag1\0tag2\0tag3"),
+	},
+},
+{
+	.descr = "dedup: struct/struct_member tags",
+	.input = {
+		.raw_types = {
+			/* int */
+			BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),	/* [1] */
+			BTF_STRUCT_ENC(NAME_NTH(1), 2, 8),		/* [2] */
+				BTF_MEMBER_ENC(NAME_NTH(2), 1, 0),
+				BTF_MEMBER_ENC(NAME_NTH(3), 1, 32),
+			BTF_STRUCT_ENC(NAME_NTH(1), 2, 8),		/* [3] */
+				BTF_MEMBER_ENC(NAME_NTH(2), 1, 0),
+				BTF_MEMBER_ENC(NAME_NTH(3), 1, 32),
+			/* tag -> t: tag1, tag2 */
+			BTF_DECL_TAG_ENC(NAME_NTH(4), 2, -1),		/* [4] */
+			BTF_DECL_TAG_ENC(NAME_NTH(5), 2, -1),		/* [5] */
+			/* tag -> t/m2: tag1, tag2 */
+			BTF_DECL_TAG_ENC(NAME_NTH(4), 2, 1),		/* [6] */
+			BTF_DECL_TAG_ENC(NAME_NTH(5), 2, 1),		/* [7] */
+			/* tag -> t: tag1, tag3 */
+			BTF_DECL_TAG_ENC(NAME_NTH(4), 3, -1),		/* [8] */
+			BTF_DECL_TAG_ENC(NAME_NTH(6), 3, -1),		/* [9] */
+			/* tag -> t/m2: tag1, tag3 */
+			BTF_DECL_TAG_ENC(NAME_NTH(4), 3, 1),		/* [10] */
+			BTF_DECL_TAG_ENC(NAME_NTH(6), 3, 1),		/* [11] */
+			BTF_END_RAW,
+		},
+		BTF_STR_SEC("\0t\0m1\0m2\0tag1\0tag2\0tag3"),
+	},
+	.expect = {
+		.raw_types = {
+			BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),	/* [1] */
+			BTF_STRUCT_ENC(NAME_NTH(1), 2, 8),		/* [2] */
+				BTF_MEMBER_ENC(NAME_NTH(2), 1, 0),
+				BTF_MEMBER_ENC(NAME_NTH(3), 1, 32),
+			BTF_DECL_TAG_ENC(NAME_NTH(4), 2, -1),		/* [3] */
+			BTF_DECL_TAG_ENC(NAME_NTH(5), 2, -1),		/* [4] */
+			BTF_DECL_TAG_ENC(NAME_NTH(6), 2, -1),		/* [5] */
+			BTF_DECL_TAG_ENC(NAME_NTH(4), 2, 1),		/* [6] */
+			BTF_DECL_TAG_ENC(NAME_NTH(5), 2, 1),		/* [7] */
+			BTF_DECL_TAG_ENC(NAME_NTH(6), 2, 1),		/* [8] */
+			BTF_END_RAW,
+		},
+		BTF_STR_SEC("\0t\0m1\0m2\0tag1\0tag2\0tag3"),
+	},
+},
+{
+	.descr = "dedup: typedef tags",
+	.input = {
+		.raw_types = {
+			/* int */
+			BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),	/* [1] */
+			BTF_TYPEDEF_ENC(NAME_NTH(1), 1),		/* [2] */
+			BTF_TYPEDEF_ENC(NAME_NTH(1), 1),		/* [3] */
+			/* tag -> t: tag1, tag2 */
+			BTF_DECL_TAG_ENC(NAME_NTH(2), 2, -1),		/* [4] */
+			BTF_DECL_TAG_ENC(NAME_NTH(3), 2, -1),		/* [5] */
+			/* tag -> t: tag1, tag3 */
+			BTF_DECL_TAG_ENC(NAME_NTH(2), 3, -1),		/* [6] */
+			BTF_DECL_TAG_ENC(NAME_NTH(4), 3, -1),		/* [7] */
+			BTF_END_RAW,
+		},
+		BTF_STR_SEC("\0t\0tag1\0tag2\0tag3"),
+	},
+	.expect = {
+		.raw_types = {
+			BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),	/* [1] */
+			BTF_TYPEDEF_ENC(NAME_NTH(1), 1),		/* [2] */
+			BTF_DECL_TAG_ENC(NAME_NTH(2), 2, -1),		/* [3] */
+			BTF_DECL_TAG_ENC(NAME_NTH(3), 2, -1),		/* [4] */
+			BTF_DECL_TAG_ENC(NAME_NTH(4), 2, -1),		/* [5] */
+			BTF_END_RAW,
+		},
+		BTF_STR_SEC("\0t\0tag1\0tag2\0tag3"),
+	},
+},
+{
+	.descr = "dedup: btf_type_tag #1",
+	.input = {
+		.raw_types = {
+			/* ptr -> tag2 -> tag1 -> int */
+			BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),	/* [1] */
+			BTF_TYPE_TAG_ENC(NAME_NTH(1), 1),		/* [2] */
+			BTF_TYPE_TAG_ENC(NAME_NTH(2), 2),		/* [3] */
+			BTF_PTR_ENC(3),					/* [4] */
+			/* ptr -> tag2 -> tag1 -> int */
+			BTF_TYPE_TAG_ENC(NAME_NTH(1), 1),		/* [5] */
+			BTF_TYPE_TAG_ENC(NAME_NTH(2), 5),		/* [6] */
+			BTF_PTR_ENC(6),					/* [7] */
+			/* ptr -> tag1 -> int */
+			BTF_TYPE_TAG_ENC(NAME_NTH(1), 1),		/* [8] */
+			BTF_PTR_ENC(8),					/* [9] */
+			BTF_END_RAW,
+		},
+		BTF_STR_SEC("\0tag1\0tag2"),
+	},
+	.expect = {
+		.raw_types = {
+			/* ptr -> tag2 -> tag1 -> int */
+			BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),	/* [1] */
+			BTF_TYPE_TAG_ENC(NAME_NTH(1), 1),		/* [2] */
+			BTF_TYPE_TAG_ENC(NAME_NTH(2), 2),		/* [3] */
+			BTF_PTR_ENC(3),					/* [4] */
+			/* ptr -> tag1 -> int */
+			BTF_PTR_ENC(2),					/* [5] */
+			BTF_END_RAW,
+		},
+		BTF_STR_SEC("\0tag1\0tag2"),
+	},
+},
+{
+	.descr = "dedup: btf_type_tag #2",
+	.input = {
+		.raw_types = {
+			/* ptr -> tag2 -> tag1 -> int */
+			BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),	/* [1] */
+			BTF_TYPE_TAG_ENC(NAME_NTH(1), 1),		/* [2] */
+			BTF_TYPE_TAG_ENC(NAME_NTH(2), 2),		/* [3] */
+			BTF_PTR_ENC(3),					/* [4] */
+			/* ptr -> tag2 -> int */
+			BTF_TYPE_TAG_ENC(NAME_NTH(2), 1),		/* [5] */
+			BTF_PTR_ENC(5),					/* [6] */
+			BTF_END_RAW,
+		},
+		BTF_STR_SEC("\0tag1\0tag2"),
+	},
+	.expect = {
+		.raw_types = {
+			/* ptr -> tag2 -> tag1 -> int */
+			BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),	/* [1] */
+			BTF_TYPE_TAG_ENC(NAME_NTH(1), 1),		/* [2] */
+			BTF_TYPE_TAG_ENC(NAME_NTH(2), 2),		/* [3] */
+			BTF_PTR_ENC(3),					/* [4] */
+			/* ptr -> tag2 -> int */
+			BTF_TYPE_TAG_ENC(NAME_NTH(2), 1),		/* [5] */
+			BTF_PTR_ENC(5),					/* [6] */
+			BTF_END_RAW,
+		},
+		BTF_STR_SEC("\0tag1\0tag2"),
+	},
+},
+{
+	.descr = "dedup: btf_type_tag #3",
+	.input = {
+		.raw_types = {
+			/* ptr -> tag2 -> tag1 -> int */
+			BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),	/* [1] */
+			BTF_TYPE_TAG_ENC(NAME_NTH(1), 1),		/* [2] */
+			BTF_TYPE_TAG_ENC(NAME_NTH(2), 2),		/* [3] */
+			BTF_PTR_ENC(3),					/* [4] */
+			/* ptr -> tag1 -> tag2 -> int */
+			BTF_TYPE_TAG_ENC(NAME_NTH(2), 1),		/* [5] */
+			BTF_TYPE_TAG_ENC(NAME_NTH(1), 5),		/* [6] */
+			BTF_PTR_ENC(6),					/* [7] */
+			BTF_END_RAW,
+		},
+		BTF_STR_SEC("\0tag1\0tag2"),
+	},
+	.expect = {
+		.raw_types = {
+			/* ptr -> tag2 -> tag1 -> int */
+			BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),	/* [1] */
+			BTF_TYPE_TAG_ENC(NAME_NTH(1), 1),		/* [2] */
+			BTF_TYPE_TAG_ENC(NAME_NTH(2), 2),		/* [3] */
+			BTF_PTR_ENC(3),					/* [4] */
+			/* ptr -> tag1 -> tag2 -> int */
+			BTF_TYPE_TAG_ENC(NAME_NTH(2), 1),		/* [5] */
+			BTF_TYPE_TAG_ENC(NAME_NTH(1), 5),		/* [6] */
+			BTF_PTR_ENC(6),					/* [7] */
+			BTF_END_RAW,
+		},
+		BTF_STR_SEC("\0tag1\0tag2"),
+	},
+},
+{
+	.descr = "dedup: btf_type_tag #4",
+	.input = {
+		.raw_types = {
+			/* ptr -> tag1 -> int */
+			BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),	/* [1] */
+			BTF_TYPE_TAG_ENC(NAME_NTH(1), 1),		/* [2] */
+			BTF_PTR_ENC(2),					/* [3] */
+			/* ptr -> tag1 -> long */
+			BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 64, 8),	/* [4] */
+			BTF_TYPE_TAG_ENC(NAME_NTH(1), 4),		/* [5] */
+			BTF_PTR_ENC(5),					/* [6] */
+			BTF_END_RAW,
+		},
+		BTF_STR_SEC("\0tag1"),
+	},
+	.expect = {
+		.raw_types = {
+			/* ptr -> tag1 -> int */
+			BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),	/* [1] */
+			BTF_TYPE_TAG_ENC(NAME_NTH(1), 1),		/* [2] */
+			BTF_PTR_ENC(2),					/* [3] */
+			/* ptr -> tag1 -> long */
+			BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 64, 8),	/* [4] */
+			BTF_TYPE_TAG_ENC(NAME_NTH(1), 4),		/* [5] */
+			BTF_PTR_ENC(5),					/* [6] */
+			BTF_END_RAW,
+		},
+		BTF_STR_SEC("\0tag1"),
+	},
+},
+{
+	.descr = "dedup: btf_type_tag #5, struct",
+	.input = {
+		.raw_types = {
+			BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),				/* [1] */
+			BTF_TYPE_TAG_ENC(NAME_NTH(1), 1),					/* [2] */
+			BTF_TYPE_ENC(NAME_NTH(2), BTF_INFO_ENC(BTF_KIND_STRUCT, 1, 1), 4),	/* [3] */
+			BTF_MEMBER_ENC(NAME_NTH(3), 2, BTF_MEMBER_OFFSET(0, 0)),
+			BTF_TYPE_TAG_ENC(NAME_NTH(1), 1),					/* [4] */
+			BTF_TYPE_ENC(NAME_NTH(2), BTF_INFO_ENC(BTF_KIND_STRUCT, 1, 1), 4),	/* [5] */
+			BTF_MEMBER_ENC(NAME_NTH(3), 4, BTF_MEMBER_OFFSET(0, 0)),
+			BTF_END_RAW,
+		},
+		BTF_STR_SEC("\0tag1\0t\0m"),
+	},
+	.expect = {
+		.raw_types = {
+			BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),				/* [1] */
+			BTF_TYPE_TAG_ENC(NAME_NTH(1), 1),					/* [2] */
+			BTF_TYPE_ENC(NAME_NTH(2), BTF_INFO_ENC(BTF_KIND_STRUCT, 1, 1), 4),	/* [3] */
+			BTF_MEMBER_ENC(NAME_NTH(3), 2, BTF_MEMBER_OFFSET(0, 0)),
+			BTF_END_RAW,
+		},
+		BTF_STR_SEC("\0tag1\0t\0m"),
+	},
+},
+{
+	.descr = "dedup: enum64, standalone",
+	.input = {
+		.raw_types = {
+			BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM64, 0, 1), 8),
+				BTF_ENUM64_ENC(NAME_NTH(2), 1, 123),
+			BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM64, 0, 1), 8),
+				BTF_ENUM64_ENC(NAME_NTH(2), 1, 123),
+			BTF_END_RAW,
+		},
+		BTF_STR_SEC("\0e1\0e1_val"),
+	},
+	.expect = {
+		.raw_types = {
+			BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM64, 0, 1), 8),
+				BTF_ENUM64_ENC(NAME_NTH(2), 1, 123),
+			BTF_END_RAW,
+		},
+		BTF_STR_SEC("\0e1\0e1_val"),
+	},
+},
+{
+	.descr = "dedup: enum64, fwd resolution",
+	.input = {
+		.raw_types = {
+			/* [1] fwd enum64 'e1' before full enum */
+			BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM64, 0, 0), 8),
+			/* [2] full enum64 'e1' after fwd */
+			BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM64, 0, 1), 8),
+				BTF_ENUM64_ENC(NAME_NTH(2), 1, 123),
+			/* [3] full enum64 'e2' before fwd */
+			BTF_TYPE_ENC(NAME_NTH(3), BTF_INFO_ENC(BTF_KIND_ENUM64, 0, 1), 8),
+				BTF_ENUM64_ENC(NAME_NTH(4), 0, 456),
+			/* [4] fwd enum64 'e2' after full enum */
+			BTF_TYPE_ENC(NAME_NTH(3), BTF_INFO_ENC(BTF_KIND_ENUM64, 0, 0), 8),
+			/* [5] incompatible full enum64 with different value */
+			BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM64, 0, 1), 8),
+				BTF_ENUM64_ENC(NAME_NTH(2), 0, 321),
+			BTF_END_RAW,
+		},
+		BTF_STR_SEC("\0e1\0e1_val\0e2\0e2_val"),
+	},
+	.expect = {
+		.raw_types = {
+			/* [1] full enum64 'e1' */
+			BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM64, 0, 1), 8),
+				BTF_ENUM64_ENC(NAME_NTH(2), 1, 123),
+			/* [2] full enum64 'e2' */
+			BTF_TYPE_ENC(NAME_NTH(3), BTF_INFO_ENC(BTF_KIND_ENUM64, 0, 1), 8),
+				BTF_ENUM64_ENC(NAME_NTH(4), 0, 456),
+			/* [3] incompatible full enum64 with different value */
+			BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM64, 0, 1), 8),
+				BTF_ENUM64_ENC(NAME_NTH(2), 0, 321),
+			BTF_END_RAW,
+		},
+		BTF_STR_SEC("\0e1\0e1_val\0e2\0e2_val"),
+	},
+},
+{
+	.descr = "dedup: enum and enum64, no dedup",
+	.input = {
+		.raw_types = {
+			/* [1] enum 'e1' */
+			BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM, 0, 1), 4),
+				BTF_ENUM_ENC(NAME_NTH(2), 1),
+			/* [2] enum64 'e1' */
+			BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM64, 0, 1), 4),
+				BTF_ENUM64_ENC(NAME_NTH(2), 1, 0),
+			BTF_END_RAW,
+		},
+		BTF_STR_SEC("\0e1\0e1_val"),
+	},
+	.expect = {
+		.raw_types = {
+			/* [1] enum 'e1' */
+			BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM, 0, 1), 4),
+				BTF_ENUM_ENC(NAME_NTH(2), 1),
+			/* [2] enum64 'e1' */
+			BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM64, 0, 1), 4),
+				BTF_ENUM64_ENC(NAME_NTH(2), 1, 0),
+			BTF_END_RAW,
+		},
+		BTF_STR_SEC("\0e1\0e1_val"),
+	},
+},
+
+};
+
+static int btf_type_size(const struct btf_type *t)
+{
+	int base_size = sizeof(struct btf_type);
+	__u16 vlen = BTF_INFO_VLEN(t->info);
+	__u16 kind = BTF_INFO_KIND(t->info);
+
+	switch (kind) {
+	case BTF_KIND_FWD:
+	case BTF_KIND_CONST:
+	case BTF_KIND_VOLATILE:
+	case BTF_KIND_RESTRICT:
+	case BTF_KIND_PTR:
+	case BTF_KIND_TYPEDEF:
+	case BTF_KIND_FUNC:
+	case BTF_KIND_FLOAT:
+	case BTF_KIND_TYPE_TAG:
+		return base_size;
+	case BTF_KIND_INT:
+		return base_size + sizeof(__u32);
+	case BTF_KIND_ENUM:
+		return base_size + vlen * sizeof(struct btf_enum);
+	case BTF_KIND_ENUM64:
+		return base_size + vlen * sizeof(struct btf_enum64);
+	case BTF_KIND_ARRAY:
+		return base_size + sizeof(struct btf_array);
+	case BTF_KIND_STRUCT:
+	case BTF_KIND_UNION:
+		return base_size + vlen * sizeof(struct btf_member);
+	case BTF_KIND_FUNC_PROTO:
+		return base_size + vlen * sizeof(struct btf_param);
+	case BTF_KIND_VAR:
+		return base_size + sizeof(struct btf_var);
+	case BTF_KIND_DATASEC:
+		return base_size + vlen * sizeof(struct btf_var_secinfo);
+	case BTF_KIND_DECL_TAG:
+		return base_size + sizeof(struct btf_decl_tag);
+	default:
+		fprintf(stderr, "Unsupported BTF_KIND:%u\n", kind);
+		return -EINVAL;
+	}
+}
+
+static void dump_btf_strings(const char *strs, __u32 len)
+{
+	const char *cur = strs;
+	int i = 0;
+
+	while (cur < strs + len) {
+		fprintf(stderr, "string #%d: '%s'\n", i, cur);
+		cur += strlen(cur) + 1;
+		i++;
+	}
+}
+
+static void do_test_dedup(unsigned int test_num)
+{
+	struct btf_dedup_test *test = &dedup_tests[test_num - 1];
+	__u32 test_nr_types, expect_nr_types, test_btf_size, expect_btf_size;
+	const struct btf_header *test_hdr, *expect_hdr;
+	struct btf *test_btf = NULL, *expect_btf = NULL;
+	const void *test_btf_data, *expect_btf_data;
+	const char *ret_test_next_str, *ret_expect_next_str;
+	const char *test_strs, *expect_strs;
+	const char *test_str_cur;
+	const char *expect_str_cur, *expect_str_end;
+	unsigned int raw_btf_size;
+	void *raw_btf;
+	int err = 0, i;
+
+	if (!test__start_subtest(test->descr))
+		return;
+
+	raw_btf = btf_raw_create(&hdr_tmpl, test->input.raw_types,
+				 test->input.str_sec, test->input.str_sec_size,
+				 &raw_btf_size, &ret_test_next_str);
+	if (!raw_btf)
+		return;
+
+	test_btf = btf__new((__u8 *)raw_btf, raw_btf_size);
+	err = libbpf_get_error(test_btf);
+	free(raw_btf);
+	if (CHECK(err, "invalid test_btf errno:%d", err)) {
+		err = -1;
+		goto done;
+	}
+
+	raw_btf = btf_raw_create(&hdr_tmpl, test->expect.raw_types,
+				 test->expect.str_sec,
+				 test->expect.str_sec_size,
+				 &raw_btf_size, &ret_expect_next_str);
+	if (!raw_btf)
+		return;
+	expect_btf = btf__new((__u8 *)raw_btf, raw_btf_size);
+	err = libbpf_get_error(expect_btf);
+	free(raw_btf);
+	if (CHECK(err, "invalid expect_btf errno:%d", err)) {
+		err = -1;
+		goto done;
+	}
+
+	test->opts.sz = sizeof(test->opts);
+	err = btf__dedup(test_btf, &test->opts);
+	if (CHECK(err, "btf_dedup failed errno:%d", err)) {
+		err = -1;
+		goto done;
+	}
+
+	test_btf_data = btf__raw_data(test_btf, &test_btf_size);
+	expect_btf_data = btf__raw_data(expect_btf, &expect_btf_size);
+	if (CHECK(test_btf_size != expect_btf_size,
+		  "test_btf_size:%u != expect_btf_size:%u",
+		  test_btf_size, expect_btf_size)) {
+		err = -1;
+		goto done;
+	}
+
+	test_hdr = test_btf_data;
+	test_strs = test_btf_data + sizeof(*test_hdr) + test_hdr->str_off;
+	expect_hdr = expect_btf_data;
+	expect_strs = expect_btf_data + sizeof(*test_hdr) + expect_hdr->str_off;
+	if (CHECK(test_hdr->str_len != expect_hdr->str_len,
+		  "test_hdr->str_len:%u != expect_hdr->str_len:%u",
+		  test_hdr->str_len, expect_hdr->str_len)) {
+		fprintf(stderr, "\ntest strings:\n");
+		dump_btf_strings(test_strs, test_hdr->str_len);
+		fprintf(stderr, "\nexpected strings:\n");
+		dump_btf_strings(expect_strs, expect_hdr->str_len);
+		err = -1;
+		goto done;
+	}
+
+	expect_str_cur = expect_strs;
+	expect_str_end = expect_strs + expect_hdr->str_len;
+	while (expect_str_cur < expect_str_end) {
+		size_t test_len, expect_len;
+		int off;
+
+		off = btf__find_str(test_btf, expect_str_cur);
+		if (CHECK(off < 0, "exp str '%s' not found: %d\n", expect_str_cur, off)) {
+			err = -1;
+			goto done;
+		}
+		test_str_cur = btf__str_by_offset(test_btf, off);
+
+		test_len = strlen(test_str_cur);
+		expect_len = strlen(expect_str_cur);
+		if (CHECK(test_len != expect_len,
+			  "test_len:%zu != expect_len:%zu "
+			  "(test_str:%s, expect_str:%s)",
+			  test_len, expect_len, test_str_cur, expect_str_cur)) {
+			err = -1;
+			goto done;
+		}
+		if (CHECK(strcmp(test_str_cur, expect_str_cur),
+			  "test_str:%s != expect_str:%s",
+			  test_str_cur, expect_str_cur)) {
+			err = -1;
+			goto done;
+		}
+		expect_str_cur += expect_len + 1;
+	}
+
+	test_nr_types = btf__type_cnt(test_btf);
+	expect_nr_types = btf__type_cnt(expect_btf);
+	if (CHECK(test_nr_types != expect_nr_types,
+		  "test_nr_types:%u != expect_nr_types:%u",
+		  test_nr_types, expect_nr_types)) {
+		err = -1;
+		goto done;
+	}
+
+	for (i = 1; i < test_nr_types; i++) {
+		const struct btf_type *test_type, *expect_type;
+		int test_size, expect_size;
+
+		test_type = btf__type_by_id(test_btf, i);
+		expect_type = btf__type_by_id(expect_btf, i);
+		test_size = btf_type_size(test_type);
+		expect_size = btf_type_size(expect_type);
+
+		if (CHECK(test_size != expect_size,
+			  "type #%d: test_size:%d != expect_size:%u",
+			  i, test_size, expect_size)) {
+			err = -1;
+			goto done;
+		}
+		if (CHECK(btf_kind(test_type) != btf_kind(expect_type),
+			  "type %d kind: exp %d != got %u\n",
+			  i, btf_kind(expect_type), btf_kind(test_type))) {
+			err = -1;
+			goto done;
+		}
+		if (CHECK(test_type->info != expect_type->info,
+			  "type %d info: exp %d != got %u\n",
+			  i, expect_type->info, test_type->info)) {
+			err = -1;
+			goto done;
+		}
+		if (CHECK(test_type->size != expect_type->size,
+			  "type %d size/type: exp %d != got %u\n",
+			  i, expect_type->size, test_type->size)) {
+			err = -1;
+			goto done;
+		}
+	}
+
+done:
+	btf__free(test_btf);
+	btf__free(expect_btf);
+}
+
+void test_btf(void)
+{
+	int i;
+
+	always_log = env.verbosity > VERBOSE_NONE;
+
+	for (i = 1; i <= ARRAY_SIZE(raw_tests); i++)
+		do_test_raw(i);
+	for (i = 1; i <= ARRAY_SIZE(get_info_tests); i++)
+		do_test_get_info(i);
+	for (i = 1; i <= ARRAY_SIZE(file_tests); i++)
+		do_test_file(i);
+	for (i = 1; i <= ARRAY_SIZE(info_raw_tests); i++)
+		do_test_info_raw(i);
+	for (i = 1; i <= ARRAY_SIZE(dedup_tests); i++)
+		do_test_dedup(i);
+	test_pprint();
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/btf_dedup_split.c b/tools/testing/selftests/bpf/prog_tests/btf_dedup_split.c
new file mode 100644
index 000000000..90aac4375
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/btf_dedup_split.c
@@ -0,0 +1,438 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2020 Facebook */
+#include <test_progs.h>
+#include <bpf/btf.h>
+#include "btf_helpers.h"
+
+static void test_split_simple() {
+	const struct btf_type *t;
+	struct btf *btf1, *btf2;
+	int str_off, err;
+
+	btf1 = btf__new_empty();
+	if (!ASSERT_OK_PTR(btf1, "empty_main_btf"))
+		return;
+
+	btf__set_pointer_size(btf1, 8); /* enforce 64-bit arch */
+
+	btf__add_int(btf1, "int", 4, BTF_INT_SIGNED);	/* [1] int */
+	btf__add_ptr(btf1, 1);				/* [2] ptr to int */
+	btf__add_struct(btf1, "s1", 4);			/* [3] struct s1 { */
+	btf__add_field(btf1, "f1", 1, 0, 0);		/*      int f1; */
+							/* } */
+
+	VALIDATE_RAW_BTF(
+		btf1,
+		"[1] INT 'int' size=4 bits_offset=0 nr_bits=32 encoding=SIGNED",
+		"[2] PTR '(anon)' type_id=1",
+		"[3] STRUCT 's1' size=4 vlen=1\n"
+		"\t'f1' type_id=1 bits_offset=0");
+
+	ASSERT_STREQ(btf_type_c_dump(btf1), "\
+struct s1 {\n\
+	int f1;\n\
+};\n\n", "c_dump");
+
+	btf2 = btf__new_empty_split(btf1);
+	if (!ASSERT_OK_PTR(btf2, "empty_split_btf"))
+		goto cleanup;
+
+	/* pointer size should be "inherited" from main BTF */
+	ASSERT_EQ(btf__pointer_size(btf2), 8, "inherit_ptr_sz");
+
+	str_off = btf__find_str(btf2, "int");
+	ASSERT_NEQ(str_off, -ENOENT, "str_int_missing");
+
+	t = btf__type_by_id(btf2, 1);
+	if (!ASSERT_OK_PTR(t, "int_type"))
+		goto cleanup;
+	ASSERT_EQ(btf_is_int(t), true, "int_kind");
+	ASSERT_STREQ(btf__str_by_offset(btf2, t->name_off), "int", "int_name");
+
+	btf__add_struct(btf2, "s2", 16);		/* [4] struct s2 {	*/
+	btf__add_field(btf2, "f1", 6, 0, 0);		/*      struct s1 f1;	*/
+	btf__add_field(btf2, "f2", 5, 32, 0);		/*      int f2;		*/
+	btf__add_field(btf2, "f3", 2, 64, 0);		/*      int *f3;	*/
+							/* } */
+
+	/* duplicated int */
+	btf__add_int(btf2, "int", 4, BTF_INT_SIGNED);	/* [5] int */
+
+	/* duplicated struct s1 */
+	btf__add_struct(btf2, "s1", 4);			/* [6] struct s1 { */
+	btf__add_field(btf2, "f1", 5, 0, 0);		/*      int f1; */
+							/* } */
+
+	VALIDATE_RAW_BTF(
+		btf2,
+		"[1] INT 'int' size=4 bits_offset=0 nr_bits=32 encoding=SIGNED",
+		"[2] PTR '(anon)' type_id=1",
+		"[3] STRUCT 's1' size=4 vlen=1\n"
+		"\t'f1' type_id=1 bits_offset=0",
+		"[4] STRUCT 's2' size=16 vlen=3\n"
+		"\t'f1' type_id=6 bits_offset=0\n"
+		"\t'f2' type_id=5 bits_offset=32\n"
+		"\t'f3' type_id=2 bits_offset=64",
+		"[5] INT 'int' size=4 bits_offset=0 nr_bits=32 encoding=SIGNED",
+		"[6] STRUCT 's1' size=4 vlen=1\n"
+		"\t'f1' type_id=5 bits_offset=0");
+
+	ASSERT_STREQ(btf_type_c_dump(btf2), "\
+struct s1 {\n\
+	int f1;\n\
+};\n\
+\n\
+struct s1___2 {\n\
+	int f1;\n\
+};\n\
+\n\
+struct s2 {\n\
+	struct s1___2 f1;\n\
+	int f2;\n\
+	int *f3;\n\
+};\n\n", "c_dump");
+
+	err = btf__dedup(btf2, NULL);
+	if (!ASSERT_OK(err, "btf_dedup"))
+		goto cleanup;
+
+	VALIDATE_RAW_BTF(
+		btf2,
+		"[1] INT 'int' size=4 bits_offset=0 nr_bits=32 encoding=SIGNED",
+		"[2] PTR '(anon)' type_id=1",
+		"[3] STRUCT 's1' size=4 vlen=1\n"
+		"\t'f1' type_id=1 bits_offset=0",
+		"[4] STRUCT 's2' size=16 vlen=3\n"
+		"\t'f1' type_id=3 bits_offset=0\n"
+		"\t'f2' type_id=1 bits_offset=32\n"
+		"\t'f3' type_id=2 bits_offset=64");
+
+	ASSERT_STREQ(btf_type_c_dump(btf2), "\
+struct s1 {\n\
+	int f1;\n\
+};\n\
+\n\
+struct s2 {\n\
+	struct s1 f1;\n\
+	int f2;\n\
+	int *f3;\n\
+};\n\n", "c_dump");
+
+cleanup:
+	btf__free(btf2);
+	btf__free(btf1);
+}
+
+static void test_split_fwd_resolve() {
+	struct btf *btf1, *btf2;
+	int err;
+
+	btf1 = btf__new_empty();
+	if (!ASSERT_OK_PTR(btf1, "empty_main_btf"))
+		return;
+
+	btf__set_pointer_size(btf1, 8); /* enforce 64-bit arch */
+
+	btf__add_int(btf1, "int", 4, BTF_INT_SIGNED);	/* [1] int */
+	btf__add_ptr(btf1, 4);				/* [2] ptr to struct s1 */
+	btf__add_ptr(btf1, 5);				/* [3] ptr to struct s2 */
+	btf__add_struct(btf1, "s1", 16);		/* [4] struct s1 { */
+	btf__add_field(btf1, "f1", 2, 0, 0);		/*      struct s1 *f1; */
+	btf__add_field(btf1, "f2", 3, 64, 0);		/*      struct s2 *f2; */
+							/* } */
+	btf__add_struct(btf1, "s2", 4);			/* [5] struct s2 { */
+	btf__add_field(btf1, "f1", 1, 0, 0);		/*      int f1; */
+							/* } */
+
+	VALIDATE_RAW_BTF(
+		btf1,
+		"[1] INT 'int' size=4 bits_offset=0 nr_bits=32 encoding=SIGNED",
+		"[2] PTR '(anon)' type_id=4",
+		"[3] PTR '(anon)' type_id=5",
+		"[4] STRUCT 's1' size=16 vlen=2\n"
+		"\t'f1' type_id=2 bits_offset=0\n"
+		"\t'f2' type_id=3 bits_offset=64",
+		"[5] STRUCT 's2' size=4 vlen=1\n"
+		"\t'f1' type_id=1 bits_offset=0");
+
+	btf2 = btf__new_empty_split(btf1);
+	if (!ASSERT_OK_PTR(btf2, "empty_split_btf"))
+		goto cleanup;
+
+	btf__add_int(btf2, "int", 4, BTF_INT_SIGNED);	/* [6] int */
+	btf__add_ptr(btf2, 10);				/* [7] ptr to struct s1 */
+	btf__add_fwd(btf2, "s2", BTF_FWD_STRUCT);	/* [8] fwd for struct s2 */
+	btf__add_ptr(btf2, 8);				/* [9] ptr to fwd struct s2 */
+	btf__add_struct(btf2, "s1", 16);		/* [10] struct s1 { */
+	btf__add_field(btf2, "f1", 7, 0, 0);		/*      struct s1 *f1; */
+	btf__add_field(btf2, "f2", 9, 64, 0);		/*      struct s2 *f2; */
+							/* } */
+
+	VALIDATE_RAW_BTF(
+		btf2,
+		"[1] INT 'int' size=4 bits_offset=0 nr_bits=32 encoding=SIGNED",
+		"[2] PTR '(anon)' type_id=4",
+		"[3] PTR '(anon)' type_id=5",
+		"[4] STRUCT 's1' size=16 vlen=2\n"
+		"\t'f1' type_id=2 bits_offset=0\n"
+		"\t'f2' type_id=3 bits_offset=64",
+		"[5] STRUCT 's2' size=4 vlen=1\n"
+		"\t'f1' type_id=1 bits_offset=0",
+		"[6] INT 'int' size=4 bits_offset=0 nr_bits=32 encoding=SIGNED",
+		"[7] PTR '(anon)' type_id=10",
+		"[8] FWD 's2' fwd_kind=struct",
+		"[9] PTR '(anon)' type_id=8",
+		"[10] STRUCT 's1' size=16 vlen=2\n"
+		"\t'f1' type_id=7 bits_offset=0\n"
+		"\t'f2' type_id=9 bits_offset=64");
+
+	err = btf__dedup(btf2, NULL);
+	if (!ASSERT_OK(err, "btf_dedup"))
+		goto cleanup;
+
+	VALIDATE_RAW_BTF(
+		btf2,
+		"[1] INT 'int' size=4 bits_offset=0 nr_bits=32 encoding=SIGNED",
+		"[2] PTR '(anon)' type_id=4",
+		"[3] PTR '(anon)' type_id=5",
+		"[4] STRUCT 's1' size=16 vlen=2\n"
+		"\t'f1' type_id=2 bits_offset=0\n"
+		"\t'f2' type_id=3 bits_offset=64",
+		"[5] STRUCT 's2' size=4 vlen=1\n"
+		"\t'f1' type_id=1 bits_offset=0");
+
+cleanup:
+	btf__free(btf2);
+	btf__free(btf1);
+}
+
+static void test_split_struct_duped() {
+	struct btf *btf1, *btf2;
+	int err;
+
+	btf1 = btf__new_empty();
+	if (!ASSERT_OK_PTR(btf1, "empty_main_btf"))
+		return;
+
+	btf__set_pointer_size(btf1, 8); /* enforce 64-bit arch */
+
+	btf__add_int(btf1, "int", 4, BTF_INT_SIGNED);	/* [1] int */
+	btf__add_ptr(btf1, 5);				/* [2] ptr to struct s1 */
+	btf__add_fwd(btf1, "s2", BTF_FWD_STRUCT);	/* [3] fwd for struct s2 */
+	btf__add_ptr(btf1, 3);				/* [4] ptr to fwd struct s2 */
+	btf__add_struct(btf1, "s1", 16);		/* [5] struct s1 { */
+	btf__add_field(btf1, "f1", 2, 0, 0);		/*      struct s1 *f1; */
+	btf__add_field(btf1, "f2", 4, 64, 0);		/*      struct s2 *f2; */
+							/* } */
+
+	VALIDATE_RAW_BTF(
+		btf1,
+		"[1] INT 'int' size=4 bits_offset=0 nr_bits=32 encoding=SIGNED",
+		"[2] PTR '(anon)' type_id=5",
+		"[3] FWD 's2' fwd_kind=struct",
+		"[4] PTR '(anon)' type_id=3",
+		"[5] STRUCT 's1' size=16 vlen=2\n"
+		"\t'f1' type_id=2 bits_offset=0\n"
+		"\t'f2' type_id=4 bits_offset=64");
+
+	btf2 = btf__new_empty_split(btf1);
+	if (!ASSERT_OK_PTR(btf2, "empty_split_btf"))
+		goto cleanup;
+
+	btf__add_int(btf2, "int", 4, BTF_INT_SIGNED);	/* [6] int */
+	btf__add_ptr(btf2, 10);				/* [7] ptr to struct s1 */
+	btf__add_fwd(btf2, "s2", BTF_FWD_STRUCT);	/* [8] fwd for struct s2 */
+	btf__add_ptr(btf2, 11);				/* [9] ptr to struct s2 */
+	btf__add_struct(btf2, "s1", 16);		/* [10] struct s1 { */
+	btf__add_field(btf2, "f1", 7, 0, 0);		/*      struct s1 *f1; */
+	btf__add_field(btf2, "f2", 9, 64, 0);		/*      struct s2 *f2; */
+							/* } */
+	btf__add_struct(btf2, "s2", 40);		/* [11] struct s2 {	*/
+	btf__add_field(btf2, "f1", 7, 0, 0);		/*      struct s1 *f1;	*/
+	btf__add_field(btf2, "f2", 9, 64, 0);		/*      struct s2 *f2;	*/
+	btf__add_field(btf2, "f3", 6, 128, 0);		/*      int f3;		*/
+	btf__add_field(btf2, "f4", 10, 192, 0);		/*      struct s1 f4;	*/
+							/* } */
+	btf__add_ptr(btf2, 8);				/* [12] ptr to fwd struct s2 */
+	btf__add_struct(btf2, "s3", 8);			/* [13] struct s3 { */
+	btf__add_field(btf2, "f1", 12, 0, 0);		/*      struct s2 *f1; (fwd) */
+							/* } */
+
+	VALIDATE_RAW_BTF(
+		btf2,
+		"[1] INT 'int' size=4 bits_offset=0 nr_bits=32 encoding=SIGNED",
+		"[2] PTR '(anon)' type_id=5",
+		"[3] FWD 's2' fwd_kind=struct",
+		"[4] PTR '(anon)' type_id=3",
+		"[5] STRUCT 's1' size=16 vlen=2\n"
+		"\t'f1' type_id=2 bits_offset=0\n"
+		"\t'f2' type_id=4 bits_offset=64",
+		"[6] INT 'int' size=4 bits_offset=0 nr_bits=32 encoding=SIGNED",
+		"[7] PTR '(anon)' type_id=10",
+		"[8] FWD 's2' fwd_kind=struct",
+		"[9] PTR '(anon)' type_id=11",
+		"[10] STRUCT 's1' size=16 vlen=2\n"
+		"\t'f1' type_id=7 bits_offset=0\n"
+		"\t'f2' type_id=9 bits_offset=64",
+		"[11] STRUCT 's2' size=40 vlen=4\n"
+		"\t'f1' type_id=7 bits_offset=0\n"
+		"\t'f2' type_id=9 bits_offset=64\n"
+		"\t'f3' type_id=6 bits_offset=128\n"
+		"\t'f4' type_id=10 bits_offset=192",
+		"[12] PTR '(anon)' type_id=8",
+		"[13] STRUCT 's3' size=8 vlen=1\n"
+		"\t'f1' type_id=12 bits_offset=0");
+
+	err = btf__dedup(btf2, NULL);
+	if (!ASSERT_OK(err, "btf_dedup"))
+		goto cleanup;
+
+	VALIDATE_RAW_BTF(
+		btf2,
+		"[1] INT 'int' size=4 bits_offset=0 nr_bits=32 encoding=SIGNED",
+		"[2] PTR '(anon)' type_id=5",
+		"[3] FWD 's2' fwd_kind=struct",
+		"[4] PTR '(anon)' type_id=3",
+		"[5] STRUCT 's1' size=16 vlen=2\n"
+		"\t'f1' type_id=2 bits_offset=0\n"
+		"\t'f2' type_id=4 bits_offset=64",
+		"[6] PTR '(anon)' type_id=8",
+		"[7] PTR '(anon)' type_id=9",
+		"[8] STRUCT 's1' size=16 vlen=2\n"
+		"\t'f1' type_id=6 bits_offset=0\n"
+		"\t'f2' type_id=7 bits_offset=64",
+		"[9] STRUCT 's2' size=40 vlen=4\n"
+		"\t'f1' type_id=6 bits_offset=0\n"
+		"\t'f2' type_id=7 bits_offset=64\n"
+		"\t'f3' type_id=1 bits_offset=128\n"
+		"\t'f4' type_id=8 bits_offset=192",
+		"[10] STRUCT 's3' size=8 vlen=1\n"
+		"\t'f1' type_id=7 bits_offset=0");
+
+cleanup:
+	btf__free(btf2);
+	btf__free(btf1);
+}
+
+static void btf_add_dup_struct_in_cu(struct btf *btf, int start_id)
+{
+#define ID(n) (start_id + n)
+	btf__set_pointer_size(btf, 8); /* enforce 64-bit arch */
+
+	btf__add_int(btf, "int", 4, BTF_INT_SIGNED);    /* [1] int */
+
+	btf__add_struct(btf, "s", 8);                   /* [2] struct s { */
+	btf__add_field(btf, "a", ID(3), 0, 0);          /*      struct anon a; */
+	btf__add_field(btf, "b", ID(4), 0, 0);          /*      struct anon b; */
+							/* } */
+
+	btf__add_struct(btf, "(anon)", 8);              /* [3] struct anon { */
+	btf__add_field(btf, "f1", ID(1), 0, 0);         /*      int f1; */
+	btf__add_field(btf, "f2", ID(1), 32, 0);        /*      int f2; */
+							/* } */
+
+	btf__add_struct(btf, "(anon)", 8);              /* [4] struct anon { */
+	btf__add_field(btf, "f1", ID(1), 0, 0);         /*      int f1; */
+	btf__add_field(btf, "f2", ID(1), 32, 0);        /*      int f2; */
+							/* } */
+#undef ID
+}
+
+static void test_split_dup_struct_in_cu()
+{
+	struct btf *btf1, *btf2 = NULL;
+	int err;
+
+	/* generate the base data.. */
+	btf1 = btf__new_empty();
+	if (!ASSERT_OK_PTR(btf1, "empty_main_btf"))
+		return;
+
+	btf_add_dup_struct_in_cu(btf1, 0);
+
+	VALIDATE_RAW_BTF(
+			btf1,
+			"[1] INT 'int' size=4 bits_offset=0 nr_bits=32 encoding=SIGNED",
+			"[2] STRUCT 's' size=8 vlen=2\n"
+			"\t'a' type_id=3 bits_offset=0\n"
+			"\t'b' type_id=4 bits_offset=0",
+			"[3] STRUCT '(anon)' size=8 vlen=2\n"
+			"\t'f1' type_id=1 bits_offset=0\n"
+			"\t'f2' type_id=1 bits_offset=32",
+			"[4] STRUCT '(anon)' size=8 vlen=2\n"
+			"\t'f1' type_id=1 bits_offset=0\n"
+			"\t'f2' type_id=1 bits_offset=32");
+
+	/* ..dedup them... */
+	err = btf__dedup(btf1, NULL);
+	if (!ASSERT_OK(err, "btf_dedup"))
+		goto cleanup;
+
+	VALIDATE_RAW_BTF(
+			btf1,
+			"[1] INT 'int' size=4 bits_offset=0 nr_bits=32 encoding=SIGNED",
+			"[2] STRUCT 's' size=8 vlen=2\n"
+			"\t'a' type_id=3 bits_offset=0\n"
+			"\t'b' type_id=3 bits_offset=0",
+			"[3] STRUCT '(anon)' size=8 vlen=2\n"
+			"\t'f1' type_id=1 bits_offset=0\n"
+			"\t'f2' type_id=1 bits_offset=32");
+
+	/* and add the same data on top of it */
+	btf2 = btf__new_empty_split(btf1);
+	if (!ASSERT_OK_PTR(btf2, "empty_split_btf"))
+		goto cleanup;
+
+	btf_add_dup_struct_in_cu(btf2, 3);
+
+	VALIDATE_RAW_BTF(
+			btf2,
+			"[1] INT 'int' size=4 bits_offset=0 nr_bits=32 encoding=SIGNED",
+			"[2] STRUCT 's' size=8 vlen=2\n"
+			"\t'a' type_id=3 bits_offset=0\n"
+			"\t'b' type_id=3 bits_offset=0",
+			"[3] STRUCT '(anon)' size=8 vlen=2\n"
+			"\t'f1' type_id=1 bits_offset=0\n"
+			"\t'f2' type_id=1 bits_offset=32",
+			"[4] INT 'int' size=4 bits_offset=0 nr_bits=32 encoding=SIGNED",
+			"[5] STRUCT 's' size=8 vlen=2\n"
+			"\t'a' type_id=6 bits_offset=0\n"
+			"\t'b' type_id=7 bits_offset=0",
+			"[6] STRUCT '(anon)' size=8 vlen=2\n"
+			"\t'f1' type_id=4 bits_offset=0\n"
+			"\t'f2' type_id=4 bits_offset=32",
+			"[7] STRUCT '(anon)' size=8 vlen=2\n"
+			"\t'f1' type_id=4 bits_offset=0\n"
+			"\t'f2' type_id=4 bits_offset=32");
+
+	err = btf__dedup(btf2, NULL);
+	if (!ASSERT_OK(err, "btf_dedup"))
+		goto cleanup;
+
+	/* after dedup it should match the original data */
+	VALIDATE_RAW_BTF(
+			btf2,
+			"[1] INT 'int' size=4 bits_offset=0 nr_bits=32 encoding=SIGNED",
+			"[2] STRUCT 's' size=8 vlen=2\n"
+			"\t'a' type_id=3 bits_offset=0\n"
+			"\t'b' type_id=3 bits_offset=0",
+			"[3] STRUCT '(anon)' size=8 vlen=2\n"
+			"\t'f1' type_id=1 bits_offset=0\n"
+			"\t'f2' type_id=1 bits_offset=32");
+
+cleanup:
+	btf__free(btf2);
+	btf__free(btf1);
+}
+
+void test_btf_dedup_split()
+{
+	if (test__start_subtest("split_simple"))
+		test_split_simple();
+	if (test__start_subtest("split_struct_duped"))
+		test_split_struct_duped();
+	if (test__start_subtest("split_fwd_resolve"))
+		test_split_fwd_resolve();
+	if (test__start_subtest("split_dup_struct_in_cu"))
+		test_split_dup_struct_in_cu();
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/btf_dump.c b/tools/testing/selftests/bpf/prog_tests/btf_dump.c
new file mode 100644
index 000000000..24da33548
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/btf_dump.c
@@ -0,0 +1,905 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <test_progs.h>
+#include <bpf/btf.h>
+
+static int duration = 0;
+
+void btf_dump_printf(void *ctx, const char *fmt, va_list args)
+{
+	vfprintf(ctx, fmt, args);
+}
+
+static struct btf_dump_test_case {
+	const char *name;
+	const char *file;
+	bool known_ptr_sz;
+} btf_dump_test_cases[] = {
+	{"btf_dump: syntax", "btf_dump_test_case_syntax", true},
+	{"btf_dump: ordering", "btf_dump_test_case_ordering", false},
+	{"btf_dump: padding", "btf_dump_test_case_padding", true},
+	{"btf_dump: packing", "btf_dump_test_case_packing", true},
+	{"btf_dump: bitfields", "btf_dump_test_case_bitfields", true},
+	{"btf_dump: multidim", "btf_dump_test_case_multidim", false},
+	{"btf_dump: namespacing", "btf_dump_test_case_namespacing", false},
+};
+
+static int btf_dump_all_types(const struct btf *btf, void *ctx)
+{
+	size_t type_cnt = btf__type_cnt(btf);
+	struct btf_dump *d;
+	int err = 0, id;
+
+	d = btf_dump__new(btf, btf_dump_printf, ctx, NULL);
+	err = libbpf_get_error(d);
+	if (err)
+		return err;
+
+	for (id = 1; id < type_cnt; id++) {
+		err = btf_dump__dump_type(d, id);
+		if (err)
+			goto done;
+	}
+
+done:
+	btf_dump__free(d);
+	return err;
+}
+
+static int test_btf_dump_case(int n, struct btf_dump_test_case *t)
+{
+	char test_file[256], out_file[256], diff_cmd[1024];
+	struct btf *btf = NULL;
+	int err = 0, fd = -1;
+	FILE *f = NULL;
+
+	snprintf(test_file, sizeof(test_file), "%s.bpf.o", t->file);
+
+	btf = btf__parse_elf(test_file, NULL);
+	if (!ASSERT_OK_PTR(btf, "btf_parse_elf")) {
+		err = -PTR_ERR(btf);
+		btf = NULL;
+		goto done;
+	}
+
+	/* tests with t->known_ptr_sz have no "long" or "unsigned long" type,
+	 * so it's impossible to determine correct pointer size; but if they
+	 * do, it should be 8 regardless of host architecture, becaues BPF
+	 * target is always 64-bit
+	 */
+	if (!t->known_ptr_sz) {
+		btf__set_pointer_size(btf, 8);
+	} else {
+		CHECK(btf__pointer_size(btf) != 8, "ptr_sz", "exp %d, got %zu\n",
+		      8, btf__pointer_size(btf));
+	}
+
+	snprintf(out_file, sizeof(out_file), "/tmp/%s.output.XXXXXX", t->file);
+	fd = mkstemp(out_file);
+	if (!ASSERT_GE(fd, 0, "create_tmp")) {
+		err = fd;
+		goto done;
+	}
+	f = fdopen(fd, "w");
+	if (CHECK(f == NULL, "open_tmp",  "failed to open file: %s(%d)\n",
+		  strerror(errno), errno)) {
+		close(fd);
+		goto done;
+	}
+
+	err = btf_dump_all_types(btf, f);
+	fclose(f);
+	close(fd);
+	if (CHECK(err, "btf_dump", "failure during C dumping: %d\n", err)) {
+		goto done;
+	}
+
+	snprintf(test_file, sizeof(test_file), "progs/%s.c", t->file);
+	if (access(test_file, R_OK) == -1)
+		/*
+		 * When the test is run with O=, kselftest copies TEST_FILES
+		 * without preserving the directory structure.
+		 */
+		snprintf(test_file, sizeof(test_file), "%s.c", t->file);
+	/*
+	 * Diff test output and expected test output, contained between
+	 * START-EXPECTED-OUTPUT and END-EXPECTED-OUTPUT lines in test case.
+	 * For expected output lines, everything before '*' is stripped out.
+	 * Also lines containing comment start and comment end markers are
+	 * ignored. 
+	 */
+	snprintf(diff_cmd, sizeof(diff_cmd),
+		 "awk '/START-EXPECTED-OUTPUT/{out=1;next} "
+		 "/END-EXPECTED-OUTPUT/{out=0} "
+		 "/\\/\\*|\\*\\//{next} " /* ignore comment start/end lines */
+		 "out {sub(/^[ \\t]*\\*/, \"\"); print}' '%s' | diff -u - '%s'",
+		 test_file, out_file);
+	err = system(diff_cmd);
+	if (CHECK(err, "diff",
+		  "differing test output, output=%s, err=%d, diff cmd:\n%s\n",
+		  out_file, err, diff_cmd))
+		goto done;
+
+	remove(out_file);
+
+done:
+	btf__free(btf);
+	return err;
+}
+
+static char *dump_buf;
+static size_t dump_buf_sz;
+static FILE *dump_buf_file;
+
+static void test_btf_dump_incremental(void)
+{
+	struct btf *btf = NULL;
+	struct btf_dump *d = NULL;
+	int id, err, i;
+
+	dump_buf_file = open_memstream(&dump_buf, &dump_buf_sz);
+	if (!ASSERT_OK_PTR(dump_buf_file, "dump_memstream"))
+		return;
+	btf = btf__new_empty();
+	if (!ASSERT_OK_PTR(btf, "new_empty"))
+		goto err_out;
+	d = btf_dump__new(btf, btf_dump_printf, dump_buf_file, NULL);
+	if (!ASSERT_OK(libbpf_get_error(d), "btf_dump__new"))
+		goto err_out;
+
+	/* First, generate BTF corresponding to the following C code:
+	 *
+	 * enum x;
+	 *
+	 * enum x { X = 1 };
+	 *
+	 * enum { Y = 1 };
+	 *
+	 * struct s;
+	 *
+	 * struct s { int x; };
+	 *
+	 */
+	id = btf__add_enum(btf, "x", 4);
+	ASSERT_EQ(id, 1, "enum_declaration_id");
+	id = btf__add_enum(btf, "x", 4);
+	ASSERT_EQ(id, 2, "named_enum_id");
+	err = btf__add_enum_value(btf, "X", 1);
+	ASSERT_OK(err, "named_enum_val_ok");
+
+	id = btf__add_enum(btf, NULL, 4);
+	ASSERT_EQ(id, 3, "anon_enum_id");
+	err = btf__add_enum_value(btf, "Y", 1);
+	ASSERT_OK(err, "anon_enum_val_ok");
+
+	id = btf__add_int(btf, "int", 4, BTF_INT_SIGNED);
+	ASSERT_EQ(id, 4, "int_id");
+
+	id = btf__add_fwd(btf, "s", BTF_FWD_STRUCT);
+	ASSERT_EQ(id, 5, "fwd_id");
+
+	id = btf__add_struct(btf, "s", 4);
+	ASSERT_EQ(id, 6, "struct_id");
+	err = btf__add_field(btf, "x", 4, 0, 0);
+	ASSERT_OK(err, "field_ok");
+
+	for (i = 1; i < btf__type_cnt(btf); i++) {
+		err = btf_dump__dump_type(d, i);
+		ASSERT_OK(err, "dump_type_ok");
+	}
+
+	fflush(dump_buf_file);
+	dump_buf[dump_buf_sz] = 0; /* some libc implementations don't do this */
+
+	ASSERT_STREQ(dump_buf,
+"enum x;\n"
+"\n"
+"enum x {\n"
+"	X = 1,\n"
+"};\n"
+"\n"
+"enum {\n"
+"	Y = 1,\n"
+"};\n"
+"\n"
+"struct s;\n"
+"\n"
+"struct s {\n"
+"	int x;\n"
+"};\n\n", "c_dump1");
+
+	/* Now, after dumping original BTF, append another struct that embeds
+	 * anonymous enum. It also has a name conflict with the first struct:
+	 *
+	 * struct s___2 {
+	 *     enum { VAL___2 = 1 } x;
+	 *     struct s s;
+	 * };
+	 *
+	 * This will test that btf_dump'er maintains internal state properly.
+	 * Note that VAL___2 enum value. It's because we've already emitted
+	 * that enum as a global anonymous enum, so btf_dump will ensure that
+	 * enum values don't conflict;
+	 *
+	 */
+	fseek(dump_buf_file, 0, SEEK_SET);
+
+	id = btf__add_struct(btf, "s", 4);
+	ASSERT_EQ(id, 7, "struct_id");
+	err = btf__add_field(btf, "x", 2, 0, 0);
+	ASSERT_OK(err, "field_ok");
+	err = btf__add_field(btf, "y", 3, 32, 0);
+	ASSERT_OK(err, "field_ok");
+	err = btf__add_field(btf, "s", 6, 64, 0);
+	ASSERT_OK(err, "field_ok");
+
+	for (i = 1; i < btf__type_cnt(btf); i++) {
+		err = btf_dump__dump_type(d, i);
+		ASSERT_OK(err, "dump_type_ok");
+	}
+
+	fflush(dump_buf_file);
+	dump_buf[dump_buf_sz] = 0; /* some libc implementations don't do this */
+	ASSERT_STREQ(dump_buf,
+"struct s___2 {\n"
+"	enum x x;\n"
+"	enum {\n"
+"		Y___2 = 1,\n"
+"	} y;\n"
+"	struct s s;\n"
+"};\n\n" , "c_dump1");
+
+err_out:
+	fclose(dump_buf_file);
+	free(dump_buf);
+	btf_dump__free(d);
+	btf__free(btf);
+}
+
+#define STRSIZE				4096
+
+static void btf_dump_snprintf(void *ctx, const char *fmt, va_list args)
+{
+	char *s = ctx, new[STRSIZE];
+
+	vsnprintf(new, STRSIZE, fmt, args);
+	if (strlen(s) < STRSIZE)
+		strncat(s, new, STRSIZE - strlen(s) - 1);
+}
+
+static int btf_dump_data(struct btf *btf, struct btf_dump *d,
+			 char *name, char *prefix, __u64 flags, void *ptr,
+			 size_t ptr_sz, char *str, const char *expected_val)
+{
+	DECLARE_LIBBPF_OPTS(btf_dump_type_data_opts, opts);
+	size_t type_sz;
+	__s32 type_id;
+	int ret = 0;
+
+	if (flags & BTF_F_COMPACT)
+		opts.compact = true;
+	if (flags & BTF_F_NONAME)
+		opts.skip_names = true;
+	if (flags & BTF_F_ZERO)
+		opts.emit_zeroes = true;
+	if (prefix) {
+		ASSERT_STRNEQ(name, prefix, strlen(prefix),
+			      "verify prefix match");
+		name += strlen(prefix) + 1;
+	}
+	type_id = btf__find_by_name(btf, name);
+	if (!ASSERT_GE(type_id, 0, "find type id"))
+		return -ENOENT;
+	type_sz = btf__resolve_size(btf, type_id);
+	str[0] = '\0';
+	ret = btf_dump__dump_type_data(d, type_id, ptr, ptr_sz, &opts);
+	if (type_sz <= ptr_sz) {
+		if (!ASSERT_EQ(ret, type_sz, "failed/unexpected type_sz"))
+			return -EINVAL;
+	} else {
+		if (!ASSERT_EQ(ret, -E2BIG, "failed to return -E2BIG"))
+			return -EINVAL;
+	}
+	if (!ASSERT_STREQ(str, expected_val, "ensure expected/actual match"))
+		return -EFAULT;
+	return 0;
+}
+
+#define TEST_BTF_DUMP_DATA(_b, _d, _prefix, _str, _type, _flags,	\
+			   _expected, ...)				\
+	do {								\
+		char __ptrtype[64] = #_type;				\
+		char *_ptrtype = (char *)__ptrtype;			\
+		_type _ptrdata = __VA_ARGS__;				\
+		void *_ptr = &_ptrdata;					\
+									\
+		(void) btf_dump_data(_b, _d, _ptrtype, _prefix, _flags,	\
+				     _ptr, sizeof(_type), _str,		\
+				     _expected);			\
+	} while (0)
+
+/* Use where expected data string matches its stringified declaration */
+#define TEST_BTF_DUMP_DATA_C(_b, _d, _prefix,  _str, _type, _flags,	\
+			     ...)					\
+	TEST_BTF_DUMP_DATA(_b, _d, _prefix, _str, _type, _flags,	\
+			   "(" #_type ")" #__VA_ARGS__,	__VA_ARGS__)
+
+/* overflow test; pass typesize < expected type size, ensure E2BIG returned */
+#define TEST_BTF_DUMP_DATA_OVER(_b, _d, _prefix, _str, _type, _type_sz,	\
+				_expected, ...)				\
+	do {								\
+		char __ptrtype[64] = #_type;				\
+		char *_ptrtype = (char *)__ptrtype;			\
+		_type _ptrdata = __VA_ARGS__;				\
+		void *_ptr = &_ptrdata;					\
+									\
+		(void) btf_dump_data(_b, _d, _ptrtype, _prefix, 0,	\
+				     _ptr, _type_sz, _str, _expected);	\
+	} while (0)
+
+#define TEST_BTF_DUMP_VAR(_b, _d, _prefix, _str, _var, _type, _flags,	\
+			  _expected, ...)				\
+	do {								\
+		_type _ptrdata = __VA_ARGS__;				\
+		void *_ptr = &_ptrdata;					\
+									\
+		(void) btf_dump_data(_b, _d, _var, _prefix, _flags,	\
+				     _ptr, sizeof(_type), _str,		\
+				     _expected);			\
+	} while (0)
+
+static void test_btf_dump_int_data(struct btf *btf, struct btf_dump *d,
+				   char *str)
+{
+#ifdef __SIZEOF_INT128__
+	unsigned __int128 i = 0xffffffffffffffff;
+
+	/* this dance is required because we cannot directly initialize
+	 * a 128-bit value to anything larger than a 64-bit value.
+	 */
+	i = (i << 64) | (i - 1);
+#endif
+	/* simple int */
+	TEST_BTF_DUMP_DATA_C(btf, d, NULL, str, int, BTF_F_COMPACT, 1234);
+	TEST_BTF_DUMP_DATA(btf, d, NULL, str, int, BTF_F_COMPACT | BTF_F_NONAME,
+			   "1234", 1234);
+	TEST_BTF_DUMP_DATA(btf, d, NULL, str, int, 0, "(int)1234", 1234);
+
+	/* zero value should be printed at toplevel */
+	TEST_BTF_DUMP_DATA(btf, d, NULL, str, int, BTF_F_COMPACT, "(int)0", 0);
+	TEST_BTF_DUMP_DATA(btf, d, NULL, str, int, BTF_F_COMPACT | BTF_F_NONAME,
+			   "0", 0);
+	TEST_BTF_DUMP_DATA(btf, d, NULL, str, int, BTF_F_COMPACT | BTF_F_ZERO,
+			   "(int)0", 0);
+	TEST_BTF_DUMP_DATA(btf, d, NULL, str, int,
+			   BTF_F_COMPACT | BTF_F_NONAME | BTF_F_ZERO,
+			   "0", 0);
+	TEST_BTF_DUMP_DATA_C(btf, d, NULL, str, int, BTF_F_COMPACT, -4567);
+	TEST_BTF_DUMP_DATA(btf, d, NULL, str, int, BTF_F_COMPACT | BTF_F_NONAME,
+			   "-4567", -4567);
+	TEST_BTF_DUMP_DATA(btf, d, NULL, str, int, 0, "(int)-4567", -4567);
+
+	TEST_BTF_DUMP_DATA_OVER(btf, d, NULL, str, int, sizeof(int)-1, "", 1);
+
+#ifdef __SIZEOF_INT128__
+	/* gcc encode unsigned __int128 type with name "__int128 unsigned" in dwarf,
+	 * and clang encode it with name "unsigned __int128" in dwarf.
+	 * Do an availability test for either variant before doing actual test.
+	 */
+	if (btf__find_by_name(btf, "unsigned __int128") > 0) {
+		TEST_BTF_DUMP_DATA(btf, d, NULL, str, unsigned __int128, BTF_F_COMPACT,
+				   "(unsigned __int128)0xffffffffffffffff",
+				   0xffffffffffffffff);
+		ASSERT_OK(btf_dump_data(btf, d, "unsigned __int128", NULL, 0, &i, 16, str,
+					"(unsigned __int128)0xfffffffffffffffffffffffffffffffe"),
+			  "dump unsigned __int128");
+	} else if (btf__find_by_name(btf, "__int128 unsigned") > 0) {
+		TEST_BTF_DUMP_DATA(btf, d, NULL, str, __int128 unsigned, BTF_F_COMPACT,
+				   "(__int128 unsigned)0xffffffffffffffff",
+				   0xffffffffffffffff);
+		ASSERT_OK(btf_dump_data(btf, d, "__int128 unsigned", NULL, 0, &i, 16, str,
+					"(__int128 unsigned)0xfffffffffffffffffffffffffffffffe"),
+			  "dump unsigned __int128");
+	} else {
+		ASSERT_TRUE(false, "unsigned_int128_not_found");
+	}
+#endif
+}
+
+static void test_btf_dump_float_data(struct btf *btf, struct btf_dump *d,
+				     char *str)
+{
+	float t1 = 1.234567;
+	float t2 = -1.234567;
+	float t3 = 0.0;
+	double t4 = 5.678912;
+	double t5 = -5.678912;
+	double t6 = 0.0;
+	long double t7 = 9.876543;
+	long double t8 = -9.876543;
+	long double t9 = 0.0;
+
+	/* since the kernel does not likely have any float types in its BTF, we
+	 * will need to add some of various sizes.
+	 */
+
+	ASSERT_GT(btf__add_float(btf, "test_float", 4), 0, "add float");
+	ASSERT_OK(btf_dump_data(btf, d, "test_float", NULL, 0, &t1, 4, str,
+				"(test_float)1.234567"), "dump float");
+	ASSERT_OK(btf_dump_data(btf, d, "test_float", NULL, 0, &t2, 4, str,
+				"(test_float)-1.234567"), "dump float");
+	ASSERT_OK(btf_dump_data(btf, d, "test_float", NULL, 0, &t3, 4, str,
+				"(test_float)0.000000"), "dump float");
+
+	ASSERT_GT(btf__add_float(btf, "test_double", 8), 0, "add_double");
+	ASSERT_OK(btf_dump_data(btf, d, "test_double", NULL, 0, &t4, 8, str,
+		  "(test_double)5.678912"), "dump double");
+	ASSERT_OK(btf_dump_data(btf, d, "test_double", NULL, 0, &t5, 8, str,
+		  "(test_double)-5.678912"), "dump double");
+	ASSERT_OK(btf_dump_data(btf, d, "test_double", NULL, 0, &t6, 8, str,
+				"(test_double)0.000000"), "dump double");
+
+	ASSERT_GT(btf__add_float(btf, "test_long_double", 16), 0, "add long double");
+	ASSERT_OK(btf_dump_data(btf, d, "test_long_double", NULL, 0, &t7, 16,
+				str, "(test_long_double)9.876543"),
+				"dump long_double");
+	ASSERT_OK(btf_dump_data(btf, d, "test_long_double", NULL, 0, &t8, 16,
+				str, "(test_long_double)-9.876543"),
+				"dump long_double");
+	ASSERT_OK(btf_dump_data(btf, d, "test_long_double", NULL, 0, &t9, 16,
+				str, "(test_long_double)0.000000"),
+				"dump long_double");
+}
+
+static void test_btf_dump_char_data(struct btf *btf, struct btf_dump *d,
+				    char *str)
+{
+	/* simple char */
+	TEST_BTF_DUMP_DATA_C(btf, d, NULL, str, char, BTF_F_COMPACT, 100);
+	TEST_BTF_DUMP_DATA(btf, d, NULL, str, char, BTF_F_COMPACT | BTF_F_NONAME,
+			   "100", 100);
+	TEST_BTF_DUMP_DATA(btf, d, NULL, str, char, 0, "(char)100", 100);
+	/* zero value should be printed at toplevel */
+	TEST_BTF_DUMP_DATA(btf, d, NULL, str, char, BTF_F_COMPACT,
+			   "(char)0", 0);
+	TEST_BTF_DUMP_DATA(btf, d, NULL, str, char, BTF_F_COMPACT | BTF_F_NONAME,
+			   "0", 0);
+	TEST_BTF_DUMP_DATA(btf, d, NULL, str, char, BTF_F_COMPACT | BTF_F_ZERO,
+			   "(char)0", 0);
+	TEST_BTF_DUMP_DATA(btf, d, NULL, str, char, BTF_F_COMPACT | BTF_F_NONAME | BTF_F_ZERO,
+			   "0", 0);
+	TEST_BTF_DUMP_DATA(btf, d, NULL, str, char, 0, "(char)0", 0);
+
+	TEST_BTF_DUMP_DATA_OVER(btf, d, NULL, str, char, sizeof(char)-1, "", 100);
+}
+
+static void test_btf_dump_typedef_data(struct btf *btf, struct btf_dump *d,
+				       char *str)
+{
+	/* simple typedef */
+	TEST_BTF_DUMP_DATA_C(btf, d, NULL, str, uint64_t, BTF_F_COMPACT, 100);
+	TEST_BTF_DUMP_DATA(btf, d, NULL, str, u64, BTF_F_COMPACT | BTF_F_NONAME,
+			   "1", 1);
+	TEST_BTF_DUMP_DATA(btf, d, NULL, str, u64, 0, "(u64)1", 1);
+	/* zero value should be printed at toplevel */
+	TEST_BTF_DUMP_DATA(btf, d, NULL, str, u64, BTF_F_COMPACT, "(u64)0", 0);
+	TEST_BTF_DUMP_DATA(btf, d, NULL, str, u64, BTF_F_COMPACT | BTF_F_NONAME,
+			   "0", 0);
+	TEST_BTF_DUMP_DATA(btf, d, NULL, str, u64, BTF_F_COMPACT | BTF_F_ZERO,
+			   "(u64)0", 0);
+	TEST_BTF_DUMP_DATA(btf, d, NULL, str, u64,
+			   BTF_F_COMPACT | BTF_F_NONAME | BTF_F_ZERO,
+			   "0", 0);
+	TEST_BTF_DUMP_DATA(btf, d, NULL, str, u64, 0, "(u64)0", 0);
+
+	/* typedef struct */
+	TEST_BTF_DUMP_DATA_C(btf, d, NULL, str, atomic_t, BTF_F_COMPACT,
+			     {.counter = (int)1,});
+	TEST_BTF_DUMP_DATA(btf, d, NULL, str, atomic_t, BTF_F_COMPACT | BTF_F_NONAME,
+			   "{1,}", { .counter = 1 });
+	TEST_BTF_DUMP_DATA(btf, d, NULL, str, atomic_t, 0,
+"(atomic_t){\n"
+"	.counter = (int)1,\n"
+"}",
+			   {.counter = 1,});
+	/* typedef with 0 value should be printed at toplevel */
+	TEST_BTF_DUMP_DATA(btf, d, NULL, str, atomic_t, BTF_F_COMPACT, "(atomic_t){}",
+			   {.counter = 0,});
+	TEST_BTF_DUMP_DATA(btf, d, NULL, str, atomic_t, BTF_F_COMPACT | BTF_F_NONAME,
+			   "{}", {.counter = 0,});
+	TEST_BTF_DUMP_DATA(btf, d, NULL, str, atomic_t, 0,
+"(atomic_t){\n"
+"}",
+			   {.counter = 0,});
+	TEST_BTF_DUMP_DATA(btf, d, NULL, str, atomic_t, BTF_F_COMPACT | BTF_F_ZERO,
+			   "(atomic_t){.counter = (int)0,}",
+			   {.counter = 0,});
+	TEST_BTF_DUMP_DATA(btf, d, NULL, str, atomic_t,
+			   BTF_F_COMPACT | BTF_F_NONAME | BTF_F_ZERO,
+			   "{0,}", {.counter = 0,});
+	TEST_BTF_DUMP_DATA(btf, d, NULL, str, atomic_t, BTF_F_ZERO,
+"(atomic_t){\n"
+"	.counter = (int)0,\n"
+"}",
+			   { .counter = 0,});
+
+	/* overflow should show type but not value since it overflows */
+	TEST_BTF_DUMP_DATA_OVER(btf, d, NULL, str, atomic_t, sizeof(atomic_t)-1,
+				"(atomic_t){\n", { .counter = 1});
+}
+
+static void test_btf_dump_enum_data(struct btf *btf, struct btf_dump *d,
+				    char *str)
+{
+	/* enum where enum value does (and does not) exist */
+	TEST_BTF_DUMP_DATA_C(btf, d, "enum", str, enum bpf_cmd, BTF_F_COMPACT,
+			     BPF_MAP_CREATE);
+	TEST_BTF_DUMP_DATA(btf, d, "enum", str, enum bpf_cmd, BTF_F_COMPACT,
+			   "(enum bpf_cmd)BPF_MAP_CREATE", 0);
+	TEST_BTF_DUMP_DATA(btf, d, "enum", str, enum bpf_cmd,
+			   BTF_F_COMPACT | BTF_F_NONAME,
+			   "BPF_MAP_CREATE",
+			   BPF_MAP_CREATE);
+	TEST_BTF_DUMP_DATA(btf, d, "enum", str, enum bpf_cmd, 0,
+			   "(enum bpf_cmd)BPF_MAP_CREATE",
+			   BPF_MAP_CREATE);
+	TEST_BTF_DUMP_DATA(btf, d, "enum", str, enum bpf_cmd,
+			   BTF_F_COMPACT | BTF_F_NONAME | BTF_F_ZERO,
+			   "BPF_MAP_CREATE", 0);
+	TEST_BTF_DUMP_DATA(btf, d, "enum", str, enum bpf_cmd,
+			   BTF_F_COMPACT | BTF_F_ZERO,
+			   "(enum bpf_cmd)BPF_MAP_CREATE",
+			   BPF_MAP_CREATE);
+	TEST_BTF_DUMP_DATA(btf, d, "enum", str, enum bpf_cmd,
+			   BTF_F_COMPACT | BTF_F_NONAME | BTF_F_ZERO,
+			   "BPF_MAP_CREATE", BPF_MAP_CREATE);
+	TEST_BTF_DUMP_DATA_C(btf, d, "enum", str, enum bpf_cmd, BTF_F_COMPACT, 2000);
+	TEST_BTF_DUMP_DATA(btf, d, "enum", str, enum bpf_cmd,
+			   BTF_F_COMPACT | BTF_F_NONAME,
+			   "2000", 2000);
+	TEST_BTF_DUMP_DATA(btf, d, "enum", str, enum bpf_cmd, 0,
+			   "(enum bpf_cmd)2000", 2000);
+
+	TEST_BTF_DUMP_DATA_OVER(btf, d, "enum", str, enum bpf_cmd,
+				sizeof(enum bpf_cmd) - 1, "", BPF_MAP_CREATE);
+}
+
+static void test_btf_dump_struct_data(struct btf *btf, struct btf_dump *d,
+				      char *str)
+{
+	DECLARE_LIBBPF_OPTS(btf_dump_type_data_opts, opts);
+	char zero_data[512] = { };
+	char type_data[512];
+	void *fops = type_data;
+	void *skb = type_data;
+	size_t type_sz;
+	__s32 type_id;
+	char *cmpstr;
+	int ret;
+
+	memset(type_data, 255, sizeof(type_data));
+
+	/* simple struct */
+	TEST_BTF_DUMP_DATA_C(btf, d, "struct", str, struct btf_enum, BTF_F_COMPACT,
+			     {.name_off = (__u32)3,.val = (__s32)-1,});
+	TEST_BTF_DUMP_DATA(btf, d, "struct", str, struct btf_enum,
+			   BTF_F_COMPACT | BTF_F_NONAME,
+			   "{3,-1,}",
+			   { .name_off = 3, .val = -1,});
+	TEST_BTF_DUMP_DATA(btf, d, "struct", str, struct btf_enum, 0,
+"(struct btf_enum){\n"
+"	.name_off = (__u32)3,\n"
+"	.val = (__s32)-1,\n"
+"}",
+			   { .name_off = 3, .val = -1,});
+	TEST_BTF_DUMP_DATA(btf, d, "struct", str, struct btf_enum,
+			   BTF_F_COMPACT | BTF_F_NONAME,
+			   "{-1,}",
+			   { .name_off = 0, .val = -1,});
+	TEST_BTF_DUMP_DATA(btf, d, "struct", str, struct btf_enum,
+			   BTF_F_COMPACT | BTF_F_NONAME | BTF_F_ZERO,
+			   "{0,-1,}",
+			   { .name_off = 0, .val = -1,});
+	/* empty struct should be printed */
+	TEST_BTF_DUMP_DATA(btf, d, "struct", str, struct btf_enum, BTF_F_COMPACT,
+			   "(struct btf_enum){}",
+			   { .name_off = 0, .val = 0,});
+	TEST_BTF_DUMP_DATA(btf, d, "struct", str, struct btf_enum,
+			   BTF_F_COMPACT | BTF_F_NONAME,
+			   "{}",
+			   { .name_off = 0, .val = 0,});
+	TEST_BTF_DUMP_DATA(btf, d, "struct", str, struct btf_enum, 0,
+"(struct btf_enum){\n"
+"}",
+			   { .name_off = 0, .val = 0,});
+	TEST_BTF_DUMP_DATA(btf, d, "struct", str, struct btf_enum,
+			   BTF_F_COMPACT | BTF_F_ZERO,
+			   "(struct btf_enum){.name_off = (__u32)0,.val = (__s32)0,}",
+			   { .name_off = 0, .val = 0,});
+	TEST_BTF_DUMP_DATA(btf, d, "struct", str, struct btf_enum,
+			   BTF_F_ZERO,
+"(struct btf_enum){\n"
+"	.name_off = (__u32)0,\n"
+"	.val = (__s32)0,\n"
+"}",
+			   { .name_off = 0, .val = 0,});
+
+	/* struct with pointers */
+	TEST_BTF_DUMP_DATA(btf, d, "struct", str, struct list_head, BTF_F_COMPACT,
+			   "(struct list_head){.next = (struct list_head *)0x1,}",
+			   { .next = (struct list_head *)1 });
+	TEST_BTF_DUMP_DATA(btf, d, "struct", str, struct list_head, 0,
+"(struct list_head){\n"
+"	.next = (struct list_head *)0x1,\n"
+"}",
+			   { .next = (struct list_head *)1 });
+	/* NULL pointer should not be displayed */
+	TEST_BTF_DUMP_DATA(btf, d, "struct", str, struct list_head, BTF_F_COMPACT,
+			   "(struct list_head){}",
+			   { .next = (struct list_head *)0 });
+	TEST_BTF_DUMP_DATA(btf, d, "struct", str, struct list_head, 0,
+"(struct list_head){\n"
+"}",
+			   { .next = (struct list_head *)0 });
+
+	/* struct with function pointers */
+	type_id = btf__find_by_name(btf, "file_operations");
+	if (ASSERT_GT(type_id, 0, "find type id")) {
+		type_sz = btf__resolve_size(btf, type_id);
+		str[0] = '\0';
+
+		ret = btf_dump__dump_type_data(d, type_id, fops, type_sz, &opts);
+		ASSERT_EQ(ret, type_sz,
+			  "unexpected return value dumping file_operations");
+		cmpstr =
+"(struct file_operations){\n"
+"	.owner = (struct module *)0xffffffffffffffff,\n"
+"	.llseek = (loff_t (*)(struct file *, loff_t, int))0xffffffffffffffff,";
+
+		ASSERT_STRNEQ(str, cmpstr, strlen(cmpstr), "file_operations");
+	}
+
+	/* struct with char array */
+	TEST_BTF_DUMP_DATA(btf, d, "struct", str, struct bpf_prog_info, BTF_F_COMPACT,
+			   "(struct bpf_prog_info){.name = (char[16])['f','o','o',],}",
+			   { .name = "foo",});
+	TEST_BTF_DUMP_DATA(btf, d, "struct", str, struct bpf_prog_info,
+			   BTF_F_COMPACT | BTF_F_NONAME,
+			   "{['f','o','o',],}",
+			   {.name = "foo",});
+	TEST_BTF_DUMP_DATA(btf, d, "struct", str, struct bpf_prog_info, 0,
+"(struct bpf_prog_info){\n"
+"	.name = (char[16])[\n"
+"		'f',\n"
+"		'o',\n"
+"		'o',\n"
+"	],\n"
+"}",
+			   {.name = "foo",});
+	/* leading null char means do not display string */
+	TEST_BTF_DUMP_DATA(btf, d, "struct", str, struct bpf_prog_info, BTF_F_COMPACT,
+			   "(struct bpf_prog_info){}",
+			   {.name = {'\0', 'f', 'o', 'o'}});
+	/* handle non-printable characters */
+	TEST_BTF_DUMP_DATA(btf, d, "struct", str, struct bpf_prog_info, BTF_F_COMPACT,
+			   "(struct bpf_prog_info){.name = (char[16])[1,2,3,],}",
+			   { .name = {1, 2, 3, 0}});
+
+	/* struct with non-char array */
+	TEST_BTF_DUMP_DATA(btf, d, "struct", str, struct __sk_buff, BTF_F_COMPACT,
+			   "(struct __sk_buff){.cb = (__u32[5])[1,2,3,4,5,],}",
+			   { .cb = {1, 2, 3, 4, 5,},});
+	TEST_BTF_DUMP_DATA(btf, d, "struct", str, struct __sk_buff,
+			   BTF_F_COMPACT | BTF_F_NONAME,
+			   "{[1,2,3,4,5,],}",
+			   { .cb = { 1, 2, 3, 4, 5},});
+	TEST_BTF_DUMP_DATA(btf, d, "struct", str, struct __sk_buff, 0,
+"(struct __sk_buff){\n"
+"	.cb = (__u32[5])[\n"
+"		1,\n"
+"		2,\n"
+"		3,\n"
+"		4,\n"
+"		5,\n"
+"	],\n"
+"}",
+			   { .cb = { 1, 2, 3, 4, 5},});
+	/* For non-char, arrays, show non-zero values only */
+	TEST_BTF_DUMP_DATA(btf, d, "struct", str, struct __sk_buff, BTF_F_COMPACT,
+			   "(struct __sk_buff){.cb = (__u32[5])[0,0,1,0,0,],}",
+			   { .cb = { 0, 0, 1, 0, 0},});
+	TEST_BTF_DUMP_DATA(btf, d, "struct", str, struct __sk_buff, 0,
+"(struct __sk_buff){\n"
+"	.cb = (__u32[5])[\n"
+"		0,\n"
+"		0,\n"
+"		1,\n"
+"		0,\n"
+"		0,\n"
+"	],\n"
+"}",
+			   { .cb = { 0, 0, 1, 0, 0},});
+
+	/* struct with bitfields */
+	TEST_BTF_DUMP_DATA_C(btf, d, "struct", str, struct bpf_insn, BTF_F_COMPACT,
+		{.code = (__u8)1,.dst_reg = (__u8)0x2,.src_reg = (__u8)0x3,.off = (__s16)4,.imm = (__s32)5,});
+	TEST_BTF_DUMP_DATA(btf, d, "struct", str, struct bpf_insn,
+			   BTF_F_COMPACT | BTF_F_NONAME,
+			   "{1,0x2,0x3,4,5,}",
+			   { .code = 1, .dst_reg = 0x2, .src_reg = 0x3, .off = 4,
+			     .imm = 5,});
+	TEST_BTF_DUMP_DATA(btf, d, "struct", str, struct bpf_insn, 0,
+"(struct bpf_insn){\n"
+"	.code = (__u8)1,\n"
+"	.dst_reg = (__u8)0x2,\n"
+"	.src_reg = (__u8)0x3,\n"
+"	.off = (__s16)4,\n"
+"	.imm = (__s32)5,\n"
+"}",
+			   {.code = 1, .dst_reg = 2, .src_reg = 3, .off = 4, .imm = 5});
+
+	/* zeroed bitfields should not be displayed */
+	TEST_BTF_DUMP_DATA(btf, d, "struct", str, struct bpf_insn, BTF_F_COMPACT,
+			   "(struct bpf_insn){.dst_reg = (__u8)0x1,}",
+			   { .code = 0, .dst_reg = 1});
+
+	/* struct with enum bitfield */
+	type_id = btf__find_by_name(btf, "fs_context");
+	if (ASSERT_GT(type_id,  0, "find fs_context")) {
+		type_sz = btf__resolve_size(btf, type_id);
+		str[0] = '\0';
+
+		opts.emit_zeroes = true;
+		ret = btf_dump__dump_type_data(d, type_id, zero_data, type_sz, &opts);
+		ASSERT_EQ(ret, type_sz,
+			  "unexpected return value dumping fs_context");
+
+		ASSERT_NEQ(strstr(str, "FS_CONTEXT_FOR_MOUNT"), NULL,
+				  "bitfield value not present");
+	}
+
+	/* struct with nested anon union */
+	TEST_BTF_DUMP_DATA(btf, d, "struct", str, struct bpf_sock_ops, BTF_F_COMPACT,
+			   "(struct bpf_sock_ops){.op = (__u32)1,(union){.args = (__u32[4])[1,2,3,4,],.reply = (__u32)1,.replylong = (__u32[4])[1,2,3,4,],},}",
+			   { .op = 1, .args = { 1, 2, 3, 4}});
+
+	/* union with nested struct */
+	TEST_BTF_DUMP_DATA(btf, d, "union", str, union bpf_iter_link_info, BTF_F_COMPACT,
+			   "(union bpf_iter_link_info){.map = (struct){.map_fd = (__u32)1,},.cgroup = (struct){.order = (enum bpf_cgroup_iter_order)BPF_CGROUP_ITER_SELF_ONLY,.cgroup_fd = (__u32)1,},.task = (struct){.tid = (__u32)1,.pid = (__u32)1,},}",
+			   { .cgroup = { .order = 1, .cgroup_fd = 1, }});
+
+	/* struct skb with nested structs/unions; because type output is so
+	 * complex, we don't do a string comparison, just verify we return
+	 * the type size as the amount of data displayed.
+	 */
+	type_id = btf__find_by_name(btf, "sk_buff");
+	if (ASSERT_GT(type_id, 0, "find struct sk_buff")) {
+		type_sz = btf__resolve_size(btf, type_id);
+		str[0] = '\0';
+
+		ret = btf_dump__dump_type_data(d, type_id, skb, type_sz, &opts);
+		ASSERT_EQ(ret, type_sz,
+			  "unexpected return value dumping sk_buff");
+	}
+
+	/* overflow bpf_sock_ops struct with final element nonzero/zero.
+	 * Regardless of the value of the final field, we don't have all the
+	 * data we need to display it, so we should trigger an overflow.
+	 * In other words overflow checking should trump "is field zero?"
+	 * checks because if we've overflowed, it shouldn't matter what the
+	 * field is - we can't trust its value so shouldn't display it.
+	 */
+	TEST_BTF_DUMP_DATA_OVER(btf, d, "struct", str, struct bpf_sock_ops,
+				sizeof(struct bpf_sock_ops) - 1,
+				"(struct bpf_sock_ops){\n\t.op = (__u32)1,\n",
+				{ .op = 1, .skb_tcp_flags = 2});
+	TEST_BTF_DUMP_DATA_OVER(btf, d, "struct", str, struct bpf_sock_ops,
+				sizeof(struct bpf_sock_ops) - 1,
+				"(struct bpf_sock_ops){\n\t.op = (__u32)1,\n",
+				{ .op = 1, .skb_tcp_flags = 0});
+}
+
+static void test_btf_dump_var_data(struct btf *btf, struct btf_dump *d,
+				   char *str)
+{
+#if defined(__i386__) || defined(__x86_64__) || defined(__aarch64__)
+	TEST_BTF_DUMP_VAR(btf, d, NULL, str, "cpu_number", int, BTF_F_COMPACT,
+			  "int cpu_number = (int)100", 100);
+#endif
+	TEST_BTF_DUMP_VAR(btf, d, NULL, str, "cpu_profile_flip", int, BTF_F_COMPACT,
+			  "static int cpu_profile_flip = (int)2", 2);
+}
+
+static void test_btf_datasec(struct btf *btf, struct btf_dump *d, char *str,
+			     const char *name, const char *expected_val,
+			     void *data, size_t data_sz)
+{
+	DECLARE_LIBBPF_OPTS(btf_dump_type_data_opts, opts);
+	int ret = 0, cmp;
+	size_t secsize;
+	__s32 type_id;
+
+	opts.compact = true;
+
+	type_id = btf__find_by_name(btf, name);
+	if (!ASSERT_GT(type_id, 0, "find type id"))
+		return;
+
+	secsize = btf__resolve_size(btf, type_id);
+	ASSERT_EQ(secsize,  0, "verify section size");
+
+	str[0] = '\0';
+	ret = btf_dump__dump_type_data(d, type_id, data, data_sz, &opts);
+	ASSERT_EQ(ret, 0, "unexpected return value");
+
+	cmp = strcmp(str, expected_val);
+	ASSERT_EQ(cmp, 0, "ensure expected/actual match");
+}
+
+static void test_btf_dump_datasec_data(char *str)
+{
+	struct btf *btf;
+	char license[4] = "GPL";
+	struct btf_dump *d;
+
+	btf = btf__parse("xdping_kern.bpf.o", NULL);
+	if (!ASSERT_OK_PTR(btf, "xdping_kern.bpf.o BTF not found"))
+		return;
+
+	d = btf_dump__new(btf, btf_dump_snprintf, str, NULL);
+	if (!ASSERT_OK_PTR(d, "could not create BTF dump"))
+		goto out;
+
+	test_btf_datasec(btf, d, str, "license",
+			 "SEC(\"license\") char[4] _license = (char[4])['G','P','L',];",
+			 license, sizeof(license));
+out:
+	btf_dump__free(d);
+	btf__free(btf);
+}
+
+void test_btf_dump() {
+	char str[STRSIZE];
+	struct btf_dump *d;
+	struct btf *btf;
+	int i;
+
+	for (i = 0; i < ARRAY_SIZE(btf_dump_test_cases); i++) {
+		struct btf_dump_test_case *t = &btf_dump_test_cases[i];
+
+		if (!test__start_subtest(t->name))
+			continue;
+
+		test_btf_dump_case(i, &btf_dump_test_cases[i]);
+	}
+	if (test__start_subtest("btf_dump: incremental"))
+		test_btf_dump_incremental();
+
+	btf = libbpf_find_kernel_btf();
+	if (!ASSERT_OK_PTR(btf, "no kernel BTF found"))
+		return;
+
+	d = btf_dump__new(btf, btf_dump_snprintf, str, NULL);
+	if (!ASSERT_OK_PTR(d, "could not create BTF dump"))
+		return;
+
+	/* Verify type display for various types. */
+	if (test__start_subtest("btf_dump: int_data"))
+		test_btf_dump_int_data(btf, d, str);
+	if (test__start_subtest("btf_dump: float_data"))
+		test_btf_dump_float_data(btf, d, str);
+	if (test__start_subtest("btf_dump: char_data"))
+		test_btf_dump_char_data(btf, d, str);
+	if (test__start_subtest("btf_dump: typedef_data"))
+		test_btf_dump_typedef_data(btf, d, str);
+	if (test__start_subtest("btf_dump: enum_data"))
+		test_btf_dump_enum_data(btf, d, str);
+	if (test__start_subtest("btf_dump: struct_data"))
+		test_btf_dump_struct_data(btf, d, str);
+	if (test__start_subtest("btf_dump: var_data"))
+		test_btf_dump_var_data(btf, d, str);
+	btf_dump__free(d);
+	btf__free(btf);
+
+	if (test__start_subtest("btf_dump: datasec_data"))
+		test_btf_dump_datasec_data(str);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/btf_endian.c b/tools/testing/selftests/bpf/prog_tests/btf_endian.c
new file mode 100644
index 000000000..5b9f84dbe
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/btf_endian.c
@@ -0,0 +1,99 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2020 Facebook */
+#define _GNU_SOURCE
+#include <string.h>
+#include <byteswap.h>
+#include <test_progs.h>
+#include <bpf/btf.h>
+
+void test_btf_endian() {
+#if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
+	enum btf_endianness endian = BTF_LITTLE_ENDIAN;
+#elif __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
+	enum btf_endianness endian = BTF_BIG_ENDIAN;
+#else
+#error "Unrecognized __BYTE_ORDER__"
+#endif
+	enum btf_endianness swap_endian = 1 - endian;
+	struct btf *btf = NULL, *swap_btf = NULL;
+	const void *raw_data, *swap_raw_data;
+	const struct btf_type *t;
+	const struct btf_header *hdr;
+	__u32 raw_sz, swap_raw_sz;
+	int var_id;
+
+	/* Load BTF in native endianness */
+	btf = btf__parse_elf("btf_dump_test_case_syntax.bpf.o", NULL);
+	if (!ASSERT_OK_PTR(btf, "parse_native_btf"))
+		goto err_out;
+
+	ASSERT_EQ(btf__endianness(btf), endian, "endian");
+	btf__set_endianness(btf, swap_endian);
+	ASSERT_EQ(btf__endianness(btf), swap_endian, "endian");
+
+	/* Get raw BTF data in non-native endianness... */
+	raw_data = btf__raw_data(btf, &raw_sz);
+	if (!ASSERT_OK_PTR(raw_data, "raw_data_inverted"))
+		goto err_out;
+
+	/* ...and open it as a new BTF instance */
+	swap_btf = btf__new(raw_data, raw_sz);
+	if (!ASSERT_OK_PTR(swap_btf, "parse_swap_btf"))
+		goto err_out;
+
+	ASSERT_EQ(btf__endianness(swap_btf), swap_endian, "endian");
+	ASSERT_EQ(btf__type_cnt(swap_btf), btf__type_cnt(btf), "nr_types");
+
+	swap_raw_data = btf__raw_data(swap_btf, &swap_raw_sz);
+	if (!ASSERT_OK_PTR(swap_raw_data, "swap_raw_data"))
+		goto err_out;
+
+	/* both raw data should be identical (with non-native endianness) */
+	ASSERT_OK(memcmp(raw_data, swap_raw_data, raw_sz), "mem_identical");
+
+	/* make sure that at least BTF header data is really swapped */
+	hdr = swap_raw_data;
+	ASSERT_EQ(bswap_16(hdr->magic), BTF_MAGIC, "btf_magic_swapped");
+	ASSERT_EQ(raw_sz, swap_raw_sz, "raw_sizes");
+
+	/* swap it back to native endianness */
+	btf__set_endianness(swap_btf, endian);
+	swap_raw_data = btf__raw_data(swap_btf, &swap_raw_sz);
+	if (!ASSERT_OK_PTR(swap_raw_data, "swap_raw_data"))
+		goto err_out;
+
+	/* now header should have native BTF_MAGIC */
+	hdr = swap_raw_data;
+	ASSERT_EQ(hdr->magic, BTF_MAGIC, "btf_magic_native");
+	ASSERT_EQ(raw_sz, swap_raw_sz, "raw_sizes");
+
+	/* now modify original BTF */
+	var_id = btf__add_var(btf, "some_var", BTF_VAR_GLOBAL_ALLOCATED, 1);
+	ASSERT_GT(var_id, 0, "var_id");
+
+	btf__free(swap_btf);
+	swap_btf = NULL;
+
+	btf__set_endianness(btf, swap_endian);
+	raw_data = btf__raw_data(btf, &raw_sz);
+	if (!ASSERT_OK_PTR(raw_data, "raw_data_inverted"))
+		goto err_out;
+
+	/* and re-open swapped raw data again */
+	swap_btf = btf__new(raw_data, raw_sz);
+	if (!ASSERT_OK_PTR(swap_btf, "parse_swap_btf"))
+		goto err_out;
+
+	ASSERT_EQ(btf__endianness(swap_btf), swap_endian, "endian");
+	ASSERT_EQ(btf__type_cnt(swap_btf), btf__type_cnt(btf), "nr_types");
+
+	/* the type should appear as if it was stored in native endianness */
+	t = btf__type_by_id(swap_btf, var_id);
+	ASSERT_STREQ(btf__str_by_offset(swap_btf, t->name_off), "some_var", "var_name");
+	ASSERT_EQ(btf_var(t)->linkage, BTF_VAR_GLOBAL_ALLOCATED, "var_linkage");
+	ASSERT_EQ(t->type, 1, "var_type");
+
+err_out:
+	btf__free(btf);
+	btf__free(swap_btf);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/btf_map_in_map.c b/tools/testing/selftests/bpf/prog_tests/btf_map_in_map.c
new file mode 100644
index 000000000..eb90a6b88
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/btf_map_in_map.c
@@ -0,0 +1,164 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2020 Facebook */
+
+#include <test_progs.h>
+
+#include "test_btf_map_in_map.skel.h"
+
+static int duration;
+
+static __u32 bpf_map_id(struct bpf_map *map)
+{
+	struct bpf_map_info info;
+	__u32 info_len = sizeof(info);
+	int err;
+
+	memset(&info, 0, info_len);
+	err = bpf_obj_get_info_by_fd(bpf_map__fd(map), &info, &info_len);
+	if (err)
+		return 0;
+	return info.id;
+}
+
+static void test_lookup_update(void)
+{
+	int map1_fd, map2_fd, map3_fd, map4_fd, map5_fd, map1_id, map2_id;
+	int outer_arr_fd, outer_hash_fd, outer_arr_dyn_fd;
+	struct test_btf_map_in_map *skel;
+	int err, key = 0, val, i, fd;
+
+	skel = test_btf_map_in_map__open_and_load();
+	if (CHECK(!skel, "skel_open", "failed to open&load skeleton\n"))
+		return;
+
+	err = test_btf_map_in_map__attach(skel);
+	if (CHECK(err, "skel_attach", "skeleton attach failed: %d\n", err))
+		goto cleanup;
+
+	map1_fd = bpf_map__fd(skel->maps.inner_map1);
+	map2_fd = bpf_map__fd(skel->maps.inner_map2);
+	map3_fd = bpf_map__fd(skel->maps.inner_map3);
+	map4_fd = bpf_map__fd(skel->maps.inner_map4);
+	map5_fd = bpf_map__fd(skel->maps.inner_map5);
+	outer_arr_dyn_fd = bpf_map__fd(skel->maps.outer_arr_dyn);
+	outer_arr_fd = bpf_map__fd(skel->maps.outer_arr);
+	outer_hash_fd = bpf_map__fd(skel->maps.outer_hash);
+
+	/* inner1 = input, inner2 = input + 1, inner3 = input + 2 */
+	bpf_map_update_elem(outer_arr_fd, &key, &map1_fd, 0);
+	bpf_map_update_elem(outer_hash_fd, &key, &map2_fd, 0);
+	bpf_map_update_elem(outer_arr_dyn_fd, &key, &map3_fd, 0);
+	skel->bss->input = 1;
+	usleep(1);
+	bpf_map_lookup_elem(map1_fd, &key, &val);
+	CHECK(val != 1, "inner1", "got %d != exp %d\n", val, 1);
+	bpf_map_lookup_elem(map2_fd, &key, &val);
+	CHECK(val != 2, "inner2", "got %d != exp %d\n", val, 2);
+	bpf_map_lookup_elem(map3_fd, &key, &val);
+	CHECK(val != 3, "inner3", "got %d != exp %d\n", val, 3);
+
+	/* inner2 = input, inner1 = input + 1, inner4 = input + 2 */
+	bpf_map_update_elem(outer_arr_fd, &key, &map2_fd, 0);
+	bpf_map_update_elem(outer_hash_fd, &key, &map1_fd, 0);
+	bpf_map_update_elem(outer_arr_dyn_fd, &key, &map4_fd, 0);
+	skel->bss->input = 3;
+	usleep(1);
+	bpf_map_lookup_elem(map1_fd, &key, &val);
+	CHECK(val != 4, "inner1", "got %d != exp %d\n", val, 4);
+	bpf_map_lookup_elem(map2_fd, &key, &val);
+	CHECK(val != 3, "inner2", "got %d != exp %d\n", val, 3);
+	bpf_map_lookup_elem(map4_fd, &key, &val);
+	CHECK(val != 5, "inner4", "got %d != exp %d\n", val, 5);
+
+	/* inner5 = input + 2 */
+	bpf_map_update_elem(outer_arr_dyn_fd, &key, &map5_fd, 0);
+	skel->bss->input = 5;
+	usleep(1);
+	bpf_map_lookup_elem(map5_fd, &key, &val);
+	CHECK(val != 7, "inner5", "got %d != exp %d\n", val, 7);
+
+	for (i = 0; i < 5; i++) {
+		val = i % 2 ? map1_fd : map2_fd;
+		err = bpf_map_update_elem(outer_hash_fd, &key, &val, 0);
+		if (CHECK_FAIL(err)) {
+			printf("failed to update hash_of_maps on iter #%d\n", i);
+			goto cleanup;
+		}
+		err = bpf_map_update_elem(outer_arr_fd, &key, &val, 0);
+		if (CHECK_FAIL(err)) {
+			printf("failed to update array_of_maps on iter #%d\n", i);
+			goto cleanup;
+		}
+		val = i % 2 ? map4_fd : map5_fd;
+		err = bpf_map_update_elem(outer_arr_dyn_fd, &key, &val, 0);
+		if (CHECK_FAIL(err)) {
+			printf("failed to update array_of_maps (dyn) on iter #%d\n", i);
+			goto cleanup;
+		}
+	}
+
+	map1_id = bpf_map_id(skel->maps.inner_map1);
+	map2_id = bpf_map_id(skel->maps.inner_map2);
+	CHECK(map1_id == 0, "map1_id", "failed to get ID 1\n");
+	CHECK(map2_id == 0, "map2_id", "failed to get ID 2\n");
+
+	test_btf_map_in_map__destroy(skel);
+	skel = NULL;
+
+	/* we need to either wait for or force synchronize_rcu(), before
+	 * checking for "still exists" condition, otherwise map could still be
+	 * resolvable by ID, causing false positives.
+	 *
+	 * Older kernels (5.8 and earlier) freed map only after two
+	 * synchronize_rcu()s, so trigger two, to be entirely sure.
+	 */
+	CHECK(kern_sync_rcu(), "sync_rcu", "failed\n");
+	CHECK(kern_sync_rcu(), "sync_rcu", "failed\n");
+
+	fd = bpf_map_get_fd_by_id(map1_id);
+	if (CHECK(fd >= 0, "map1_leak", "inner_map1 leaked!\n")) {
+		close(fd);
+		goto cleanup;
+	}
+	fd = bpf_map_get_fd_by_id(map2_id);
+	if (CHECK(fd >= 0, "map2_leak", "inner_map2 leaked!\n")) {
+		close(fd);
+		goto cleanup;
+	}
+
+cleanup:
+	test_btf_map_in_map__destroy(skel);
+}
+
+static void test_diff_size(void)
+{
+	struct test_btf_map_in_map *skel;
+	int err, inner_map_fd, zero = 0;
+
+	skel = test_btf_map_in_map__open_and_load();
+	if (CHECK(!skel, "skel_open", "failed to open&load skeleton\n"))
+		return;
+
+	inner_map_fd = bpf_map__fd(skel->maps.sockarr_sz2);
+	err = bpf_map_update_elem(bpf_map__fd(skel->maps.outer_sockarr), &zero,
+				  &inner_map_fd, 0);
+	CHECK(err, "outer_sockarr inner map size check",
+	      "cannot use a different size inner_map\n");
+
+	inner_map_fd = bpf_map__fd(skel->maps.inner_map_sz2);
+	err = bpf_map_update_elem(bpf_map__fd(skel->maps.outer_arr), &zero,
+				  &inner_map_fd, 0);
+	CHECK(!err, "outer_arr inner map size check",
+	      "incorrectly updated with a different size inner_map\n");
+
+	test_btf_map_in_map__destroy(skel);
+}
+
+void test_btf_map_in_map(void)
+{
+	if (test__start_subtest("lookup_update"))
+		test_lookup_update();
+
+	if (test__start_subtest("diff_size"))
+		test_diff_size();
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/btf_module.c b/tools/testing/selftests/bpf/prog_tests/btf_module.c
new file mode 100644
index 000000000..2239d1fe0
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/btf_module.c
@@ -0,0 +1,34 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* Copyright (c) 2021 Hengqi Chen */
+
+#include <test_progs.h>
+#include <bpf/btf.h>
+
+static const char *module_name = "bpf_testmod";
+static const char *symbol_name = "bpf_testmod_test_read";
+
+void test_btf_module()
+{
+	struct btf *vmlinux_btf, *module_btf;
+	__s32 type_id;
+
+	if (!env.has_testmod) {
+		test__skip();
+		return;
+	}
+
+	vmlinux_btf = btf__load_vmlinux_btf();
+	if (!ASSERT_OK_PTR(vmlinux_btf, "could not load vmlinux BTF"))
+		return;
+
+	module_btf = btf__load_module_btf(module_name, vmlinux_btf);
+	if (!ASSERT_OK_PTR(module_btf, "could not load module BTF"))
+		goto cleanup;
+
+	type_id = btf__find_by_name(module_btf, symbol_name);
+	ASSERT_GT(type_id, 0, "func not found");
+
+cleanup:
+	btf__free(module_btf);
+	btf__free(vmlinux_btf);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/btf_skc_cls_ingress.c b/tools/testing/selftests/bpf/prog_tests/btf_skc_cls_ingress.c
new file mode 100644
index 000000000..7a277035c
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/btf_skc_cls_ingress.c
@@ -0,0 +1,226 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2020 Facebook */
+
+#define _GNU_SOURCE
+#include <netinet/in.h>
+#include <arpa/inet.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <string.h>
+#include <errno.h>
+#include <sched.h>
+#include <linux/compiler.h>
+#include <bpf/libbpf.h>
+
+#include "network_helpers.h"
+#include "test_progs.h"
+#include "test_btf_skc_cls_ingress.skel.h"
+
+static struct test_btf_skc_cls_ingress *skel;
+static struct sockaddr_in6 srv_sa6;
+static __u32 duration;
+
+#define PROG_PIN_FILE "/sys/fs/bpf/btf_skc_cls_ingress"
+
+static int prepare_netns(void)
+{
+	if (CHECK(unshare(CLONE_NEWNET), "create netns",
+		  "unshare(CLONE_NEWNET): %s (%d)",
+		  strerror(errno), errno))
+		return -1;
+
+	if (CHECK(system("ip link set dev lo up"),
+		  "ip link set dev lo up", "failed\n"))
+		return -1;
+
+	if (CHECK(system("tc qdisc add dev lo clsact"),
+		  "tc qdisc add dev lo clsact", "failed\n"))
+		return -1;
+
+	if (CHECK(system("tc filter add dev lo ingress bpf direct-action object-pinned " PROG_PIN_FILE),
+		  "install tc cls-prog at ingress", "failed\n"))
+		return -1;
+
+	/* Ensure 20 bytes options (i.e. in total 40 bytes tcp header) for the
+	 * bpf_tcp_gen_syncookie() helper.
+	 */
+	if (write_sysctl("/proc/sys/net/ipv4/tcp_window_scaling", "1") ||
+	    write_sysctl("/proc/sys/net/ipv4/tcp_timestamps", "1") ||
+	    write_sysctl("/proc/sys/net/ipv4/tcp_sack", "1"))
+		return -1;
+
+	return 0;
+}
+
+static void reset_test(void)
+{
+	memset(&skel->bss->srv_sa6, 0, sizeof(skel->bss->srv_sa6));
+	skel->bss->listen_tp_sport = 0;
+	skel->bss->req_sk_sport = 0;
+	skel->bss->recv_cookie = 0;
+	skel->bss->gen_cookie = 0;
+	skel->bss->linum = 0;
+}
+
+static void print_err_line(void)
+{
+	if (skel->bss->linum)
+		printf("bpf prog error at line %u\n", skel->bss->linum);
+}
+
+static void test_conn(void)
+{
+	int listen_fd = -1, cli_fd = -1, srv_fd = -1, err;
+	socklen_t addrlen = sizeof(srv_sa6);
+	int srv_port;
+
+	if (write_sysctl("/proc/sys/net/ipv4/tcp_syncookies", "1"))
+		return;
+
+	listen_fd = start_server(AF_INET6, SOCK_STREAM, "::1", 0, 0);
+	if (CHECK_FAIL(listen_fd == -1))
+		return;
+
+	err = getsockname(listen_fd, (struct sockaddr *)&srv_sa6, &addrlen);
+	if (CHECK(err, "getsockname(listen_fd)", "err:%d errno:%d\n", err,
+		  errno))
+		goto done;
+	memcpy(&skel->bss->srv_sa6, &srv_sa6, sizeof(srv_sa6));
+	srv_port = ntohs(srv_sa6.sin6_port);
+
+	cli_fd = connect_to_fd(listen_fd, 0);
+	if (CHECK_FAIL(cli_fd == -1))
+		goto done;
+
+	srv_fd = accept(listen_fd, NULL, NULL);
+	if (CHECK_FAIL(srv_fd == -1))
+		goto done;
+
+	if (CHECK(skel->bss->listen_tp_sport != srv_port ||
+		  skel->bss->req_sk_sport != srv_port,
+		  "Unexpected sk src port",
+		  "listen_tp_sport:%u req_sk_sport:%u expected:%u\n",
+		  skel->bss->listen_tp_sport, skel->bss->req_sk_sport,
+		  srv_port))
+		goto done;
+
+	if (CHECK(skel->bss->gen_cookie || skel->bss->recv_cookie,
+		  "Unexpected syncookie states",
+		  "gen_cookie:%u recv_cookie:%u\n",
+		  skel->bss->gen_cookie, skel->bss->recv_cookie))
+		goto done;
+
+	CHECK(skel->bss->linum, "bpf prog detected error", "at line %u\n",
+	      skel->bss->linum);
+
+done:
+	if (listen_fd != -1)
+		close(listen_fd);
+	if (cli_fd != -1)
+		close(cli_fd);
+	if (srv_fd != -1)
+		close(srv_fd);
+}
+
+static void test_syncookie(void)
+{
+	int listen_fd = -1, cli_fd = -1, srv_fd = -1, err;
+	socklen_t addrlen = sizeof(srv_sa6);
+	int srv_port;
+
+	/* Enforce syncookie mode */
+	if (write_sysctl("/proc/sys/net/ipv4/tcp_syncookies", "2"))
+		return;
+
+	listen_fd = start_server(AF_INET6, SOCK_STREAM, "::1", 0, 0);
+	if (CHECK_FAIL(listen_fd == -1))
+		return;
+
+	err = getsockname(listen_fd, (struct sockaddr *)&srv_sa6, &addrlen);
+	if (CHECK(err, "getsockname(listen_fd)", "err:%d errno:%d\n", err,
+		  errno))
+		goto done;
+	memcpy(&skel->bss->srv_sa6, &srv_sa6, sizeof(srv_sa6));
+	srv_port = ntohs(srv_sa6.sin6_port);
+
+	cli_fd = connect_to_fd(listen_fd, 0);
+	if (CHECK_FAIL(cli_fd == -1))
+		goto done;
+
+	srv_fd = accept(listen_fd, NULL, NULL);
+	if (CHECK_FAIL(srv_fd == -1))
+		goto done;
+
+	if (CHECK(skel->bss->listen_tp_sport != srv_port,
+		  "Unexpected tp src port",
+		  "listen_tp_sport:%u expected:%u\n",
+		  skel->bss->listen_tp_sport, srv_port))
+		goto done;
+
+	if (CHECK(skel->bss->req_sk_sport,
+		  "Unexpected req_sk src port",
+		  "req_sk_sport:%u expected:0\n",
+		   skel->bss->req_sk_sport))
+		goto done;
+
+	if (CHECK(!skel->bss->gen_cookie ||
+		  skel->bss->gen_cookie != skel->bss->recv_cookie,
+		  "Unexpected syncookie states",
+		  "gen_cookie:%u recv_cookie:%u\n",
+		  skel->bss->gen_cookie, skel->bss->recv_cookie))
+		goto done;
+
+	CHECK(skel->bss->linum, "bpf prog detected error", "at line %u\n",
+	      skel->bss->linum);
+
+done:
+	if (listen_fd != -1)
+		close(listen_fd);
+	if (cli_fd != -1)
+		close(cli_fd);
+	if (srv_fd != -1)
+		close(srv_fd);
+}
+
+struct test {
+	const char *desc;
+	void (*run)(void);
+};
+
+#define DEF_TEST(name) { #name, test_##name }
+static struct test tests[] = {
+	DEF_TEST(conn),
+	DEF_TEST(syncookie),
+};
+
+void test_btf_skc_cls_ingress(void)
+{
+	int i, err;
+
+	skel = test_btf_skc_cls_ingress__open_and_load();
+	if (CHECK(!skel, "test_btf_skc_cls_ingress__open_and_load", "failed\n"))
+		return;
+
+	err = bpf_program__pin(skel->progs.cls_ingress, PROG_PIN_FILE);
+	if (CHECK(err, "bpf_program__pin",
+		  "cannot pin bpf prog to %s. err:%d\n", PROG_PIN_FILE, err)) {
+		test_btf_skc_cls_ingress__destroy(skel);
+		return;
+	}
+
+	for (i = 0; i < ARRAY_SIZE(tests); i++) {
+		if (!test__start_subtest(tests[i].desc))
+			continue;
+
+		if (prepare_netns())
+			break;
+
+		tests[i].run();
+
+		print_err_line();
+		reset_test();
+	}
+
+	bpf_program__unpin(skel->progs.cls_ingress, PROG_PIN_FILE);
+	test_btf_skc_cls_ingress__destroy(skel);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/btf_split.c b/tools/testing/selftests/bpf/prog_tests/btf_split.c
new file mode 100644
index 000000000..eef115867
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/btf_split.c
@@ -0,0 +1,97 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2020 Facebook */
+#include <test_progs.h>
+#include <bpf/btf.h>
+
+static char *dump_buf;
+static size_t dump_buf_sz;
+static FILE *dump_buf_file;
+
+static void btf_dump_printf(void *ctx, const char *fmt, va_list args)
+{
+	vfprintf(ctx, fmt, args);
+}
+
+void test_btf_split() {
+	struct btf_dump *d = NULL;
+	const struct btf_type *t;
+	struct btf *btf1, *btf2;
+	int str_off, i, err;
+
+	btf1 = btf__new_empty();
+	if (!ASSERT_OK_PTR(btf1, "empty_main_btf"))
+		return;
+
+	btf__set_pointer_size(btf1, 8); /* enforce 64-bit arch */
+
+	btf__add_int(btf1, "int", 4, BTF_INT_SIGNED);	/* [1] int */
+	btf__add_ptr(btf1, 1);				/* [2] ptr to int */
+
+	btf__add_struct(btf1, "s1", 4);			/* [3] struct s1 { */
+	btf__add_field(btf1, "f1", 1, 0, 0);		/*      int f1; */
+							/* } */
+
+	btf2 = btf__new_empty_split(btf1);
+	if (!ASSERT_OK_PTR(btf2, "empty_split_btf"))
+		goto cleanup;
+
+	/* pointer size should be "inherited" from main BTF */
+	ASSERT_EQ(btf__pointer_size(btf2), 8, "inherit_ptr_sz");
+
+	str_off = btf__find_str(btf2, "int");
+	ASSERT_NEQ(str_off, -ENOENT, "str_int_missing");
+
+	t = btf__type_by_id(btf2, 1);
+	if (!ASSERT_OK_PTR(t, "int_type"))
+		goto cleanup;
+	ASSERT_EQ(btf_is_int(t), true, "int_kind");
+	ASSERT_STREQ(btf__str_by_offset(btf2, t->name_off), "int", "int_name");
+
+	btf__add_struct(btf2, "s2", 16);		/* [4] struct s2 {	*/
+	btf__add_field(btf2, "f1", 3, 0, 0);		/*      struct s1 f1;	*/
+	btf__add_field(btf2, "f2", 1, 32, 0);		/*      int f2;		*/
+	btf__add_field(btf2, "f3", 2, 64, 0);		/*      int *f3;	*/
+							/* } */
+
+	t = btf__type_by_id(btf1, 4);
+	ASSERT_NULL(t, "split_type_in_main");
+
+	t = btf__type_by_id(btf2, 4);
+	if (!ASSERT_OK_PTR(t, "split_struct_type"))
+		goto cleanup;
+	ASSERT_EQ(btf_is_struct(t), true, "split_struct_kind");
+	ASSERT_EQ(btf_vlen(t), 3, "split_struct_vlen");
+	ASSERT_STREQ(btf__str_by_offset(btf2, t->name_off), "s2", "split_struct_name");
+
+	/* BTF-to-C dump of split BTF */
+	dump_buf_file = open_memstream(&dump_buf, &dump_buf_sz);
+	if (!ASSERT_OK_PTR(dump_buf_file, "dump_memstream"))
+		return;
+	d = btf_dump__new(btf2, btf_dump_printf, dump_buf_file, NULL);
+	if (!ASSERT_OK_PTR(d, "btf_dump__new"))
+		goto cleanup;
+	for (i = 1; i < btf__type_cnt(btf2); i++) {
+		err = btf_dump__dump_type(d, i);
+		ASSERT_OK(err, "dump_type_ok");
+	}
+	fflush(dump_buf_file);
+	dump_buf[dump_buf_sz] = 0; /* some libc implementations don't do this */
+	ASSERT_STREQ(dump_buf,
+"struct s1 {\n"
+"	int f1;\n"
+"};\n"
+"\n"
+"struct s2 {\n"
+"	struct s1 f1;\n"
+"	int f2;\n"
+"	int *f3;\n"
+"};\n\n", "c_dump");
+
+cleanup:
+	if (dump_buf_file)
+		fclose(dump_buf_file);
+	free(dump_buf);
+	btf_dump__free(d);
+	btf__free(btf1);
+	btf__free(btf2);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/btf_tag.c b/tools/testing/selftests/bpf/prog_tests/btf_tag.c
new file mode 100644
index 000000000..071430cd5
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/btf_tag.c
@@ -0,0 +1,249 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2021 Facebook */
+#include <test_progs.h>
+#include <bpf/btf.h>
+#include "test_btf_decl_tag.skel.h"
+
+/* struct btf_type_tag_test is referenced in btf_type_tag.skel.h */
+struct btf_type_tag_test {
+        int **p;
+};
+#include "btf_type_tag.skel.h"
+#include "btf_type_tag_user.skel.h"
+#include "btf_type_tag_percpu.skel.h"
+
+static void test_btf_decl_tag(void)
+{
+	struct test_btf_decl_tag *skel;
+
+	skel = test_btf_decl_tag__open_and_load();
+	if (!ASSERT_OK_PTR(skel, "btf_decl_tag"))
+		return;
+
+	if (skel->rodata->skip_tests) {
+		printf("%s:SKIP: btf_decl_tag attribute not supported", __func__);
+		test__skip();
+	}
+
+	test_btf_decl_tag__destroy(skel);
+}
+
+static void test_btf_type_tag(void)
+{
+	struct btf_type_tag *skel;
+
+	skel = btf_type_tag__open_and_load();
+	if (!ASSERT_OK_PTR(skel, "btf_type_tag"))
+		return;
+
+	if (skel->rodata->skip_tests) {
+		printf("%s:SKIP: btf_type_tag attribute not supported", __func__);
+		test__skip();
+	}
+
+	btf_type_tag__destroy(skel);
+}
+
+/* loads vmlinux_btf as well as module_btf. If the caller passes NULL as
+ * module_btf, it will not load module btf.
+ *
+ * Returns 0 on success.
+ * Return -1 On error. In case of error, the loaded btf will be freed and the
+ * input parameters will be set to pointing to NULL.
+ */
+static int load_btfs(struct btf **vmlinux_btf, struct btf **module_btf,
+		     bool needs_vmlinux_tag)
+{
+	const char *module_name = "bpf_testmod";
+	__s32 type_id;
+
+	if (!env.has_testmod) {
+		test__skip();
+		return -1;
+	}
+
+	*vmlinux_btf = btf__load_vmlinux_btf();
+	if (!ASSERT_OK_PTR(*vmlinux_btf, "could not load vmlinux BTF"))
+		return -1;
+
+	if (!needs_vmlinux_tag)
+		goto load_module_btf;
+
+	/* skip the test if the vmlinux does not have __user tags */
+	type_id = btf__find_by_name_kind(*vmlinux_btf, "user", BTF_KIND_TYPE_TAG);
+	if (type_id <= 0) {
+		printf("%s:SKIP: btf_type_tag attribute not in vmlinux btf", __func__);
+		test__skip();
+		goto free_vmlinux_btf;
+	}
+
+load_module_btf:
+	/* skip loading module_btf, if not requested by caller */
+	if (!module_btf)
+		return 0;
+
+	*module_btf = btf__load_module_btf(module_name, *vmlinux_btf);
+	if (!ASSERT_OK_PTR(*module_btf, "could not load module BTF"))
+		goto free_vmlinux_btf;
+
+	/* skip the test if the module does not have __user tags */
+	type_id = btf__find_by_name_kind(*module_btf, "user", BTF_KIND_TYPE_TAG);
+	if (type_id <= 0) {
+		printf("%s:SKIP: btf_type_tag attribute not in %s", __func__, module_name);
+		test__skip();
+		goto free_module_btf;
+	}
+
+	return 0;
+
+free_module_btf:
+	btf__free(*module_btf);
+free_vmlinux_btf:
+	btf__free(*vmlinux_btf);
+
+	*vmlinux_btf = NULL;
+	if (module_btf)
+		*module_btf = NULL;
+	return -1;
+}
+
+static void test_btf_type_tag_mod_user(bool load_test_user1)
+{
+	struct btf *vmlinux_btf = NULL, *module_btf = NULL;
+	struct btf_type_tag_user *skel;
+	int err;
+
+	if (load_btfs(&vmlinux_btf, &module_btf, /*needs_vmlinux_tag=*/false))
+		return;
+
+	skel = btf_type_tag_user__open();
+	if (!ASSERT_OK_PTR(skel, "btf_type_tag_user"))
+		goto cleanup;
+
+	bpf_program__set_autoload(skel->progs.test_sys_getsockname, false);
+	if (load_test_user1)
+		bpf_program__set_autoload(skel->progs.test_user2, false);
+	else
+		bpf_program__set_autoload(skel->progs.test_user1, false);
+
+	err = btf_type_tag_user__load(skel);
+	ASSERT_ERR(err, "btf_type_tag_user");
+
+	btf_type_tag_user__destroy(skel);
+
+cleanup:
+	btf__free(module_btf);
+	btf__free(vmlinux_btf);
+}
+
+static void test_btf_type_tag_vmlinux_user(void)
+{
+	struct btf_type_tag_user *skel;
+	struct btf *vmlinux_btf = NULL;
+	int err;
+
+	if (load_btfs(&vmlinux_btf, NULL, /*needs_vmlinux_tag=*/true))
+		return;
+
+	skel = btf_type_tag_user__open();
+	if (!ASSERT_OK_PTR(skel, "btf_type_tag_user"))
+		goto cleanup;
+
+	bpf_program__set_autoload(skel->progs.test_user2, false);
+	bpf_program__set_autoload(skel->progs.test_user1, false);
+
+	err = btf_type_tag_user__load(skel);
+	ASSERT_ERR(err, "btf_type_tag_user");
+
+	btf_type_tag_user__destroy(skel);
+
+cleanup:
+	btf__free(vmlinux_btf);
+}
+
+static void test_btf_type_tag_mod_percpu(bool load_test_percpu1)
+{
+	struct btf *vmlinux_btf, *module_btf;
+	struct btf_type_tag_percpu *skel;
+	int err;
+
+	if (load_btfs(&vmlinux_btf, &module_btf, /*needs_vmlinux_tag=*/false))
+		return;
+
+	skel = btf_type_tag_percpu__open();
+	if (!ASSERT_OK_PTR(skel, "btf_type_tag_percpu"))
+		goto cleanup;
+
+	bpf_program__set_autoload(skel->progs.test_percpu_load, false);
+	bpf_program__set_autoload(skel->progs.test_percpu_helper, false);
+	if (load_test_percpu1)
+		bpf_program__set_autoload(skel->progs.test_percpu2, false);
+	else
+		bpf_program__set_autoload(skel->progs.test_percpu1, false);
+
+	err = btf_type_tag_percpu__load(skel);
+	ASSERT_ERR(err, "btf_type_tag_percpu");
+
+	btf_type_tag_percpu__destroy(skel);
+
+cleanup:
+	btf__free(module_btf);
+	btf__free(vmlinux_btf);
+}
+
+static void test_btf_type_tag_vmlinux_percpu(bool load_test)
+{
+	struct btf_type_tag_percpu *skel;
+	struct btf *vmlinux_btf = NULL;
+	int err;
+
+	if (load_btfs(&vmlinux_btf, NULL, /*needs_vmlinux_tag=*/true))
+		return;
+
+	skel = btf_type_tag_percpu__open();
+	if (!ASSERT_OK_PTR(skel, "btf_type_tag_percpu"))
+		goto cleanup;
+
+	bpf_program__set_autoload(skel->progs.test_percpu2, false);
+	bpf_program__set_autoload(skel->progs.test_percpu1, false);
+	if (load_test) {
+		bpf_program__set_autoload(skel->progs.test_percpu_helper, false);
+
+		err = btf_type_tag_percpu__load(skel);
+		ASSERT_ERR(err, "btf_type_tag_percpu_load");
+	} else {
+		bpf_program__set_autoload(skel->progs.test_percpu_load, false);
+
+		err = btf_type_tag_percpu__load(skel);
+		ASSERT_OK(err, "btf_type_tag_percpu_helper");
+	}
+
+	btf_type_tag_percpu__destroy(skel);
+
+cleanup:
+	btf__free(vmlinux_btf);
+}
+
+void test_btf_tag(void)
+{
+	if (test__start_subtest("btf_decl_tag"))
+		test_btf_decl_tag();
+	if (test__start_subtest("btf_type_tag"))
+		test_btf_type_tag();
+
+	if (test__start_subtest("btf_type_tag_user_mod1"))
+		test_btf_type_tag_mod_user(true);
+	if (test__start_subtest("btf_type_tag_user_mod2"))
+		test_btf_type_tag_mod_user(false);
+	if (test__start_subtest("btf_type_tag_sys_user_vmlinux"))
+		test_btf_type_tag_vmlinux_user();
+
+	if (test__start_subtest("btf_type_tag_percpu_mod1"))
+		test_btf_type_tag_mod_percpu(true);
+	if (test__start_subtest("btf_type_tag_percpu_mod2"))
+		test_btf_type_tag_mod_percpu(false);
+	if (test__start_subtest("btf_type_tag_percpu_vmlinux_load"))
+		test_btf_type_tag_vmlinux_percpu(true);
+	if (test__start_subtest("btf_type_tag_percpu_vmlinux_helper"))
+		test_btf_type_tag_vmlinux_percpu(false);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/btf_write.c b/tools/testing/selftests/bpf/prog_tests/btf_write.c
new file mode 100644
index 000000000..6e36de130
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/btf_write.c
@@ -0,0 +1,506 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2020 Facebook */
+#include <test_progs.h>
+#include <bpf/btf.h>
+#include "btf_helpers.h"
+
+static void gen_btf(struct btf *btf)
+{
+	const struct btf_var_secinfo *vi;
+	const struct btf_type *t;
+	const struct btf_member *m;
+	const struct btf_enum64 *v64;
+	const struct btf_enum *v;
+	const struct btf_param *p;
+	int id, err, str_off;
+
+	str_off = btf__find_str(btf, "int");
+	ASSERT_EQ(str_off, -ENOENT, "int_str_missing_off");
+
+	str_off = btf__add_str(btf, "int");
+	ASSERT_EQ(str_off, 1, "int_str_off");
+
+	str_off = btf__find_str(btf, "int");
+	ASSERT_EQ(str_off, 1, "int_str_found_off");
+
+	/* BTF_KIND_INT */
+	id = btf__add_int(btf, "int", 4,  BTF_INT_SIGNED);
+	ASSERT_EQ(id, 1, "int_id");
+
+	t = btf__type_by_id(btf, 1);
+	/* should re-use previously added "int" string */
+	ASSERT_EQ(t->name_off, str_off, "int_name_off");
+	ASSERT_STREQ(btf__str_by_offset(btf, t->name_off), "int", "int_name");
+	ASSERT_EQ(btf_kind(t), BTF_KIND_INT, "int_kind");
+	ASSERT_EQ(t->size, 4, "int_sz");
+	ASSERT_EQ(btf_int_encoding(t), BTF_INT_SIGNED, "int_enc");
+	ASSERT_EQ(btf_int_bits(t), 32, "int_bits");
+	ASSERT_STREQ(btf_type_raw_dump(btf, 1),
+		     "[1] INT 'int' size=4 bits_offset=0 nr_bits=32 encoding=SIGNED", "raw_dump");
+
+	/* invalid int size */
+	id = btf__add_int(btf, "bad sz int", 7, 0);
+	ASSERT_ERR(id, "int_bad_sz");
+	/* invalid encoding */
+	id = btf__add_int(btf, "bad enc int", 4, 123);
+	ASSERT_ERR(id, "int_bad_enc");
+	/* NULL name */
+	id = btf__add_int(btf, NULL, 4, 0);
+	ASSERT_ERR(id, "int_bad_null_name");
+	/* empty name */
+	id = btf__add_int(btf, "", 4, 0);
+	ASSERT_ERR(id, "int_bad_empty_name");
+
+	/* PTR/CONST/VOLATILE/RESTRICT */
+	id = btf__add_ptr(btf, 1);
+	ASSERT_EQ(id, 2, "ptr_id");
+	t = btf__type_by_id(btf, 2);
+	ASSERT_EQ(btf_kind(t), BTF_KIND_PTR, "ptr_kind");
+	ASSERT_EQ(t->type, 1, "ptr_type");
+	ASSERT_STREQ(btf_type_raw_dump(btf, 2),
+		     "[2] PTR '(anon)' type_id=1", "raw_dump");
+
+	id = btf__add_const(btf, 5); /* points forward to restrict */
+	ASSERT_EQ(id, 3, "const_id");
+	t = btf__type_by_id(btf, 3);
+	ASSERT_EQ(btf_kind(t), BTF_KIND_CONST, "const_kind");
+	ASSERT_EQ(t->type, 5, "const_type");
+	ASSERT_STREQ(btf_type_raw_dump(btf, 3),
+		     "[3] CONST '(anon)' type_id=5", "raw_dump");
+
+	id = btf__add_volatile(btf, 3);
+	ASSERT_EQ(id, 4, "volatile_id");
+	t = btf__type_by_id(btf, 4);
+	ASSERT_EQ(btf_kind(t), BTF_KIND_VOLATILE, "volatile_kind");
+	ASSERT_EQ(t->type, 3, "volatile_type");
+	ASSERT_STREQ(btf_type_raw_dump(btf, 4),
+		     "[4] VOLATILE '(anon)' type_id=3", "raw_dump");
+
+	id = btf__add_restrict(btf, 4);
+	ASSERT_EQ(id, 5, "restrict_id");
+	t = btf__type_by_id(btf, 5);
+	ASSERT_EQ(btf_kind(t), BTF_KIND_RESTRICT, "restrict_kind");
+	ASSERT_EQ(t->type, 4, "restrict_type");
+	ASSERT_STREQ(btf_type_raw_dump(btf, 5),
+		     "[5] RESTRICT '(anon)' type_id=4", "raw_dump");
+
+	/* ARRAY */
+	id = btf__add_array(btf, 1, 2, 10); /* int *[10] */
+	ASSERT_EQ(id, 6, "array_id");
+	t = btf__type_by_id(btf, 6);
+	ASSERT_EQ(btf_kind(t), BTF_KIND_ARRAY, "array_kind");
+	ASSERT_EQ(btf_array(t)->index_type, 1, "array_index_type");
+	ASSERT_EQ(btf_array(t)->type, 2, "array_elem_type");
+	ASSERT_EQ(btf_array(t)->nelems, 10, "array_nelems");
+	ASSERT_STREQ(btf_type_raw_dump(btf, 6),
+		     "[6] ARRAY '(anon)' type_id=2 index_type_id=1 nr_elems=10", "raw_dump");
+
+	/* STRUCT */
+	err = btf__add_field(btf, "field", 1, 0, 0);
+	ASSERT_ERR(err, "no_struct_field");
+	id = btf__add_struct(btf, "s1", 8);
+	ASSERT_EQ(id, 7, "struct_id");
+	err = btf__add_field(btf, "f1", 1, 0, 0);
+	ASSERT_OK(err, "f1_res");
+	err = btf__add_field(btf, "f2", 1, 32, 16);
+	ASSERT_OK(err, "f2_res");
+
+	t = btf__type_by_id(btf, 7);
+	ASSERT_STREQ(btf__str_by_offset(btf, t->name_off), "s1", "struct_name");
+	ASSERT_EQ(btf_kind(t), BTF_KIND_STRUCT, "struct_kind");
+	ASSERT_EQ(btf_vlen(t), 2, "struct_vlen");
+	ASSERT_EQ(btf_kflag(t), true, "struct_kflag");
+	ASSERT_EQ(t->size, 8, "struct_sz");
+	m = btf_members(t) + 0;
+	ASSERT_STREQ(btf__str_by_offset(btf, m->name_off), "f1", "f1_name");
+	ASSERT_EQ(m->type, 1, "f1_type");
+	ASSERT_EQ(btf_member_bit_offset(t, 0), 0, "f1_bit_off");
+	ASSERT_EQ(btf_member_bitfield_size(t, 0), 0, "f1_bit_sz");
+	m = btf_members(t) + 1;
+	ASSERT_STREQ(btf__str_by_offset(btf, m->name_off), "f2", "f2_name");
+	ASSERT_EQ(m->type, 1, "f2_type");
+	ASSERT_EQ(btf_member_bit_offset(t, 1), 32, "f2_bit_off");
+	ASSERT_EQ(btf_member_bitfield_size(t, 1), 16, "f2_bit_sz");
+	ASSERT_STREQ(btf_type_raw_dump(btf, 7),
+		     "[7] STRUCT 's1' size=8 vlen=2\n"
+		     "\t'f1' type_id=1 bits_offset=0\n"
+		     "\t'f2' type_id=1 bits_offset=32 bitfield_size=16", "raw_dump");
+
+	/* UNION */
+	id = btf__add_union(btf, "u1", 8);
+	ASSERT_EQ(id, 8, "union_id");
+
+	/* invalid, non-zero offset */
+	err = btf__add_field(btf, "field", 1, 1, 0);
+	ASSERT_ERR(err, "no_struct_field");
+
+	err = btf__add_field(btf, "f1", 1, 0, 16);
+	ASSERT_OK(err, "f1_res");
+
+	t = btf__type_by_id(btf, 8);
+	ASSERT_STREQ(btf__str_by_offset(btf, t->name_off), "u1", "union_name");
+	ASSERT_EQ(btf_kind(t), BTF_KIND_UNION, "union_kind");
+	ASSERT_EQ(btf_vlen(t), 1, "union_vlen");
+	ASSERT_EQ(btf_kflag(t), true, "union_kflag");
+	ASSERT_EQ(t->size, 8, "union_sz");
+	m = btf_members(t) + 0;
+	ASSERT_STREQ(btf__str_by_offset(btf, m->name_off), "f1", "f1_name");
+	ASSERT_EQ(m->type, 1, "f1_type");
+	ASSERT_EQ(btf_member_bit_offset(t, 0), 0, "f1_bit_off");
+	ASSERT_EQ(btf_member_bitfield_size(t, 0), 16, "f1_bit_sz");
+	ASSERT_STREQ(btf_type_raw_dump(btf, 8),
+		     "[8] UNION 'u1' size=8 vlen=1\n"
+		     "\t'f1' type_id=1 bits_offset=0 bitfield_size=16", "raw_dump");
+
+	/* ENUM */
+	id = btf__add_enum(btf, "e1", 4);
+	ASSERT_EQ(id, 9, "enum_id");
+	err = btf__add_enum_value(btf, "v1", 1);
+	ASSERT_OK(err, "v1_res");
+	err = btf__add_enum_value(btf, "v2", 2);
+	ASSERT_OK(err, "v2_res");
+
+	t = btf__type_by_id(btf, 9);
+	ASSERT_STREQ(btf__str_by_offset(btf, t->name_off), "e1", "enum_name");
+	ASSERT_EQ(btf_kind(t), BTF_KIND_ENUM, "enum_kind");
+	ASSERT_EQ(btf_vlen(t), 2, "enum_vlen");
+	ASSERT_EQ(t->size, 4, "enum_sz");
+	v = btf_enum(t) + 0;
+	ASSERT_STREQ(btf__str_by_offset(btf, v->name_off), "v1", "v1_name");
+	ASSERT_EQ(v->val, 1, "v1_val");
+	v = btf_enum(t) + 1;
+	ASSERT_STREQ(btf__str_by_offset(btf, v->name_off), "v2", "v2_name");
+	ASSERT_EQ(v->val, 2, "v2_val");
+	ASSERT_STREQ(btf_type_raw_dump(btf, 9),
+		     "[9] ENUM 'e1' encoding=UNSIGNED size=4 vlen=2\n"
+		     "\t'v1' val=1\n"
+		     "\t'v2' val=2", "raw_dump");
+
+	/* FWDs */
+	id = btf__add_fwd(btf, "struct_fwd", BTF_FWD_STRUCT);
+	ASSERT_EQ(id, 10, "struct_fwd_id");
+	t = btf__type_by_id(btf, 10);
+	ASSERT_STREQ(btf__str_by_offset(btf, t->name_off), "struct_fwd", "fwd_name");
+	ASSERT_EQ(btf_kind(t), BTF_KIND_FWD, "fwd_kind");
+	ASSERT_EQ(btf_kflag(t), 0, "fwd_kflag");
+	ASSERT_STREQ(btf_type_raw_dump(btf, 10),
+		     "[10] FWD 'struct_fwd' fwd_kind=struct", "raw_dump");
+
+	id = btf__add_fwd(btf, "union_fwd", BTF_FWD_UNION);
+	ASSERT_EQ(id, 11, "union_fwd_id");
+	t = btf__type_by_id(btf, 11);
+	ASSERT_STREQ(btf__str_by_offset(btf, t->name_off), "union_fwd", "fwd_name");
+	ASSERT_EQ(btf_kind(t), BTF_KIND_FWD, "fwd_kind");
+	ASSERT_EQ(btf_kflag(t), 1, "fwd_kflag");
+	ASSERT_STREQ(btf_type_raw_dump(btf, 11),
+		     "[11] FWD 'union_fwd' fwd_kind=union", "raw_dump");
+
+	id = btf__add_fwd(btf, "enum_fwd", BTF_FWD_ENUM);
+	ASSERT_EQ(id, 12, "enum_fwd_id");
+	t = btf__type_by_id(btf, 12);
+	ASSERT_STREQ(btf__str_by_offset(btf, t->name_off), "enum_fwd", "fwd_name");
+	ASSERT_EQ(btf_kind(t), BTF_KIND_ENUM, "enum_fwd_kind");
+	ASSERT_EQ(btf_vlen(t), 0, "enum_fwd_kind");
+	ASSERT_EQ(t->size, 4, "enum_fwd_sz");
+	ASSERT_STREQ(btf_type_raw_dump(btf, 12),
+		     "[12] ENUM 'enum_fwd' encoding=UNSIGNED size=4 vlen=0", "raw_dump");
+
+	/* TYPEDEF */
+	id = btf__add_typedef(btf, "typedef1", 1);
+	ASSERT_EQ(id, 13, "typedef_fwd_id");
+	t = btf__type_by_id(btf, 13);
+	ASSERT_STREQ(btf__str_by_offset(btf, t->name_off), "typedef1", "typedef_name");
+	ASSERT_EQ(btf_kind(t), BTF_KIND_TYPEDEF, "typedef_kind");
+	ASSERT_EQ(t->type, 1, "typedef_type");
+	ASSERT_STREQ(btf_type_raw_dump(btf, 13),
+		     "[13] TYPEDEF 'typedef1' type_id=1", "raw_dump");
+
+	/* FUNC & FUNC_PROTO */
+	id = btf__add_func(btf, "func1", BTF_FUNC_GLOBAL, 15);
+	ASSERT_EQ(id, 14, "func_id");
+	t = btf__type_by_id(btf, 14);
+	ASSERT_STREQ(btf__str_by_offset(btf, t->name_off), "func1", "func_name");
+	ASSERT_EQ(t->type, 15, "func_type");
+	ASSERT_EQ(btf_kind(t), BTF_KIND_FUNC, "func_kind");
+	ASSERT_EQ(btf_vlen(t), BTF_FUNC_GLOBAL, "func_vlen");
+	ASSERT_STREQ(btf_type_raw_dump(btf, 14),
+		     "[14] FUNC 'func1' type_id=15 linkage=global", "raw_dump");
+
+	id = btf__add_func_proto(btf, 1);
+	ASSERT_EQ(id, 15, "func_proto_id");
+	err = btf__add_func_param(btf, "p1", 1);
+	ASSERT_OK(err, "p1_res");
+	err = btf__add_func_param(btf, "p2", 2);
+	ASSERT_OK(err, "p2_res");
+
+	t = btf__type_by_id(btf, 15);
+	ASSERT_EQ(btf_kind(t), BTF_KIND_FUNC_PROTO, "func_proto_kind");
+	ASSERT_EQ(btf_vlen(t), 2, "func_proto_vlen");
+	ASSERT_EQ(t->type, 1, "func_proto_ret_type");
+	p = btf_params(t) + 0;
+	ASSERT_STREQ(btf__str_by_offset(btf, p->name_off), "p1", "p1_name");
+	ASSERT_EQ(p->type, 1, "p1_type");
+	p = btf_params(t) + 1;
+	ASSERT_STREQ(btf__str_by_offset(btf, p->name_off), "p2", "p2_name");
+	ASSERT_EQ(p->type, 2, "p2_type");
+	ASSERT_STREQ(btf_type_raw_dump(btf, 15),
+		     "[15] FUNC_PROTO '(anon)' ret_type_id=1 vlen=2\n"
+		     "\t'p1' type_id=1\n"
+		     "\t'p2' type_id=2", "raw_dump");
+
+	/* VAR */
+	id = btf__add_var(btf, "var1", BTF_VAR_GLOBAL_ALLOCATED, 1);
+	ASSERT_EQ(id, 16, "var_id");
+	t = btf__type_by_id(btf, 16);
+	ASSERT_STREQ(btf__str_by_offset(btf, t->name_off), "var1", "var_name");
+	ASSERT_EQ(btf_kind(t), BTF_KIND_VAR, "var_kind");
+	ASSERT_EQ(t->type, 1, "var_type");
+	ASSERT_EQ(btf_var(t)->linkage, BTF_VAR_GLOBAL_ALLOCATED, "var_type");
+	ASSERT_STREQ(btf_type_raw_dump(btf, 16),
+		     "[16] VAR 'var1' type_id=1, linkage=global-alloc", "raw_dump");
+
+	/* DATASECT */
+	id = btf__add_datasec(btf, "datasec1", 12);
+	ASSERT_EQ(id, 17, "datasec_id");
+	err = btf__add_datasec_var_info(btf, 1, 4, 8);
+	ASSERT_OK(err, "v1_res");
+
+	t = btf__type_by_id(btf, 17);
+	ASSERT_STREQ(btf__str_by_offset(btf, t->name_off), "datasec1", "datasec_name");
+	ASSERT_EQ(t->size, 12, "datasec_sz");
+	ASSERT_EQ(btf_kind(t), BTF_KIND_DATASEC, "datasec_kind");
+	ASSERT_EQ(btf_vlen(t), 1, "datasec_vlen");
+	vi = btf_var_secinfos(t) + 0;
+	ASSERT_EQ(vi->type, 1, "v1_type");
+	ASSERT_EQ(vi->offset, 4, "v1_off");
+	ASSERT_EQ(vi->size, 8, "v1_sz");
+	ASSERT_STREQ(btf_type_raw_dump(btf, 17),
+		     "[17] DATASEC 'datasec1' size=12 vlen=1\n"
+		     "\ttype_id=1 offset=4 size=8", "raw_dump");
+
+	/* DECL_TAG */
+	id = btf__add_decl_tag(btf, "tag1", 16, -1);
+	ASSERT_EQ(id, 18, "tag_id");
+	t = btf__type_by_id(btf, 18);
+	ASSERT_STREQ(btf__str_by_offset(btf, t->name_off), "tag1", "tag_value");
+	ASSERT_EQ(btf_kind(t), BTF_KIND_DECL_TAG, "tag_kind");
+	ASSERT_EQ(t->type, 16, "tag_type");
+	ASSERT_EQ(btf_decl_tag(t)->component_idx, -1, "tag_component_idx");
+	ASSERT_STREQ(btf_type_raw_dump(btf, 18),
+		     "[18] DECL_TAG 'tag1' type_id=16 component_idx=-1", "raw_dump");
+
+	id = btf__add_decl_tag(btf, "tag2", 14, 1);
+	ASSERT_EQ(id, 19, "tag_id");
+	t = btf__type_by_id(btf, 19);
+	ASSERT_STREQ(btf__str_by_offset(btf, t->name_off), "tag2", "tag_value");
+	ASSERT_EQ(btf_kind(t), BTF_KIND_DECL_TAG, "tag_kind");
+	ASSERT_EQ(t->type, 14, "tag_type");
+	ASSERT_EQ(btf_decl_tag(t)->component_idx, 1, "tag_component_idx");
+	ASSERT_STREQ(btf_type_raw_dump(btf, 19),
+		     "[19] DECL_TAG 'tag2' type_id=14 component_idx=1", "raw_dump");
+
+	/* TYPE_TAG */
+	id = btf__add_type_tag(btf, "tag1", 1);
+	ASSERT_EQ(id, 20, "tag_id");
+	t = btf__type_by_id(btf, 20);
+	ASSERT_STREQ(btf__str_by_offset(btf, t->name_off), "tag1", "tag_value");
+	ASSERT_EQ(btf_kind(t), BTF_KIND_TYPE_TAG, "tag_kind");
+	ASSERT_EQ(t->type, 1, "tag_type");
+	ASSERT_STREQ(btf_type_raw_dump(btf, 20),
+		     "[20] TYPE_TAG 'tag1' type_id=1", "raw_dump");
+
+	/* ENUM64 */
+	id = btf__add_enum64(btf, "e1", 8, true);
+	ASSERT_EQ(id, 21, "enum64_id");
+	err = btf__add_enum64_value(btf, "v1", -1);
+	ASSERT_OK(err, "v1_res");
+	err = btf__add_enum64_value(btf, "v2", 0x123456789); /* 4886718345 */
+	ASSERT_OK(err, "v2_res");
+	t = btf__type_by_id(btf, 21);
+	ASSERT_STREQ(btf__str_by_offset(btf, t->name_off), "e1", "enum64_name");
+	ASSERT_EQ(btf_kind(t), BTF_KIND_ENUM64, "enum64_kind");
+	ASSERT_EQ(btf_vlen(t), 2, "enum64_vlen");
+	ASSERT_EQ(t->size, 8, "enum64_sz");
+	v64 = btf_enum64(t) + 0;
+	ASSERT_STREQ(btf__str_by_offset(btf, v64->name_off), "v1", "v1_name");
+	ASSERT_EQ(v64->val_hi32, 0xffffffff, "v1_val");
+	ASSERT_EQ(v64->val_lo32, 0xffffffff, "v1_val");
+	v64 = btf_enum64(t) + 1;
+	ASSERT_STREQ(btf__str_by_offset(btf, v64->name_off), "v2", "v2_name");
+	ASSERT_EQ(v64->val_hi32, 0x1, "v2_val");
+	ASSERT_EQ(v64->val_lo32, 0x23456789, "v2_val");
+	ASSERT_STREQ(btf_type_raw_dump(btf, 21),
+		     "[21] ENUM64 'e1' encoding=SIGNED size=8 vlen=2\n"
+		     "\t'v1' val=-1\n"
+		     "\t'v2' val=4886718345", "raw_dump");
+
+	id = btf__add_enum64(btf, "e1", 8, false);
+	ASSERT_EQ(id, 22, "enum64_id");
+	err = btf__add_enum64_value(btf, "v1", 0xffffffffFFFFFFFF); /* 18446744073709551615 */
+	ASSERT_OK(err, "v1_res");
+	t = btf__type_by_id(btf, 22);
+	ASSERT_STREQ(btf__str_by_offset(btf, t->name_off), "e1", "enum64_name");
+	ASSERT_EQ(btf_kind(t), BTF_KIND_ENUM64, "enum64_kind");
+	ASSERT_EQ(btf_vlen(t), 1, "enum64_vlen");
+	ASSERT_EQ(t->size, 8, "enum64_sz");
+	v64 = btf_enum64(t) + 0;
+	ASSERT_STREQ(btf__str_by_offset(btf, v64->name_off), "v1", "v1_name");
+	ASSERT_EQ(v64->val_hi32, 0xffffffff, "v1_val");
+	ASSERT_EQ(v64->val_lo32, 0xffffffff, "v1_val");
+	ASSERT_STREQ(btf_type_raw_dump(btf, 22),
+		     "[22] ENUM64 'e1' encoding=UNSIGNED size=8 vlen=1\n"
+		     "\t'v1' val=18446744073709551615", "raw_dump");
+}
+
+static void test_btf_add()
+{
+	struct btf *btf;
+
+	btf = btf__new_empty();
+	if (!ASSERT_OK_PTR(btf, "new_empty"))
+		return;
+
+	gen_btf(btf);
+
+	VALIDATE_RAW_BTF(
+		btf,
+		"[1] INT 'int' size=4 bits_offset=0 nr_bits=32 encoding=SIGNED",
+		"[2] PTR '(anon)' type_id=1",
+		"[3] CONST '(anon)' type_id=5",
+		"[4] VOLATILE '(anon)' type_id=3",
+		"[5] RESTRICT '(anon)' type_id=4",
+		"[6] ARRAY '(anon)' type_id=2 index_type_id=1 nr_elems=10",
+		"[7] STRUCT 's1' size=8 vlen=2\n"
+		"\t'f1' type_id=1 bits_offset=0\n"
+		"\t'f2' type_id=1 bits_offset=32 bitfield_size=16",
+		"[8] UNION 'u1' size=8 vlen=1\n"
+		"\t'f1' type_id=1 bits_offset=0 bitfield_size=16",
+		"[9] ENUM 'e1' encoding=UNSIGNED size=4 vlen=2\n"
+		"\t'v1' val=1\n"
+		"\t'v2' val=2",
+		"[10] FWD 'struct_fwd' fwd_kind=struct",
+		"[11] FWD 'union_fwd' fwd_kind=union",
+		"[12] ENUM 'enum_fwd' encoding=UNSIGNED size=4 vlen=0",
+		"[13] TYPEDEF 'typedef1' type_id=1",
+		"[14] FUNC 'func1' type_id=15 linkage=global",
+		"[15] FUNC_PROTO '(anon)' ret_type_id=1 vlen=2\n"
+		"\t'p1' type_id=1\n"
+		"\t'p2' type_id=2",
+		"[16] VAR 'var1' type_id=1, linkage=global-alloc",
+		"[17] DATASEC 'datasec1' size=12 vlen=1\n"
+		"\ttype_id=1 offset=4 size=8",
+		"[18] DECL_TAG 'tag1' type_id=16 component_idx=-1",
+		"[19] DECL_TAG 'tag2' type_id=14 component_idx=1",
+		"[20] TYPE_TAG 'tag1' type_id=1",
+		"[21] ENUM64 'e1' encoding=SIGNED size=8 vlen=2\n"
+		"\t'v1' val=-1\n"
+		"\t'v2' val=4886718345",
+		"[22] ENUM64 'e1' encoding=UNSIGNED size=8 vlen=1\n"
+		"\t'v1' val=18446744073709551615");
+
+	btf__free(btf);
+}
+
+static void test_btf_add_btf()
+{
+	struct btf *btf1 = NULL, *btf2 = NULL;
+	int id;
+
+	btf1 = btf__new_empty();
+	if (!ASSERT_OK_PTR(btf1, "btf1"))
+		return;
+
+	btf2 = btf__new_empty();
+	if (!ASSERT_OK_PTR(btf2, "btf2"))
+		goto cleanup;
+
+	gen_btf(btf1);
+	gen_btf(btf2);
+
+	id = btf__add_btf(btf1, btf2);
+	if (!ASSERT_EQ(id, 23, "id"))
+		goto cleanup;
+
+	VALIDATE_RAW_BTF(
+		btf1,
+		"[1] INT 'int' size=4 bits_offset=0 nr_bits=32 encoding=SIGNED",
+		"[2] PTR '(anon)' type_id=1",
+		"[3] CONST '(anon)' type_id=5",
+		"[4] VOLATILE '(anon)' type_id=3",
+		"[5] RESTRICT '(anon)' type_id=4",
+		"[6] ARRAY '(anon)' type_id=2 index_type_id=1 nr_elems=10",
+		"[7] STRUCT 's1' size=8 vlen=2\n"
+		"\t'f1' type_id=1 bits_offset=0\n"
+		"\t'f2' type_id=1 bits_offset=32 bitfield_size=16",
+		"[8] UNION 'u1' size=8 vlen=1\n"
+		"\t'f1' type_id=1 bits_offset=0 bitfield_size=16",
+		"[9] ENUM 'e1' encoding=UNSIGNED size=4 vlen=2\n"
+		"\t'v1' val=1\n"
+		"\t'v2' val=2",
+		"[10] FWD 'struct_fwd' fwd_kind=struct",
+		"[11] FWD 'union_fwd' fwd_kind=union",
+		"[12] ENUM 'enum_fwd' encoding=UNSIGNED size=4 vlen=0",
+		"[13] TYPEDEF 'typedef1' type_id=1",
+		"[14] FUNC 'func1' type_id=15 linkage=global",
+		"[15] FUNC_PROTO '(anon)' ret_type_id=1 vlen=2\n"
+		"\t'p1' type_id=1\n"
+		"\t'p2' type_id=2",
+		"[16] VAR 'var1' type_id=1, linkage=global-alloc",
+		"[17] DATASEC 'datasec1' size=12 vlen=1\n"
+		"\ttype_id=1 offset=4 size=8",
+		"[18] DECL_TAG 'tag1' type_id=16 component_idx=-1",
+		"[19] DECL_TAG 'tag2' type_id=14 component_idx=1",
+		"[20] TYPE_TAG 'tag1' type_id=1",
+		"[21] ENUM64 'e1' encoding=SIGNED size=8 vlen=2\n"
+		"\t'v1' val=-1\n"
+		"\t'v2' val=4886718345",
+		"[22] ENUM64 'e1' encoding=UNSIGNED size=8 vlen=1\n"
+		"\t'v1' val=18446744073709551615",
+
+		/* types appended from the second BTF */
+		"[23] INT 'int' size=4 bits_offset=0 nr_bits=32 encoding=SIGNED",
+		"[24] PTR '(anon)' type_id=23",
+		"[25] CONST '(anon)' type_id=27",
+		"[26] VOLATILE '(anon)' type_id=25",
+		"[27] RESTRICT '(anon)' type_id=26",
+		"[28] ARRAY '(anon)' type_id=24 index_type_id=23 nr_elems=10",
+		"[29] STRUCT 's1' size=8 vlen=2\n"
+		"\t'f1' type_id=23 bits_offset=0\n"
+		"\t'f2' type_id=23 bits_offset=32 bitfield_size=16",
+		"[30] UNION 'u1' size=8 vlen=1\n"
+		"\t'f1' type_id=23 bits_offset=0 bitfield_size=16",
+		"[31] ENUM 'e1' encoding=UNSIGNED size=4 vlen=2\n"
+		"\t'v1' val=1\n"
+		"\t'v2' val=2",
+		"[32] FWD 'struct_fwd' fwd_kind=struct",
+		"[33] FWD 'union_fwd' fwd_kind=union",
+		"[34] ENUM 'enum_fwd' encoding=UNSIGNED size=4 vlen=0",
+		"[35] TYPEDEF 'typedef1' type_id=23",
+		"[36] FUNC 'func1' type_id=37 linkage=global",
+		"[37] FUNC_PROTO '(anon)' ret_type_id=23 vlen=2\n"
+		"\t'p1' type_id=23\n"
+		"\t'p2' type_id=24",
+		"[38] VAR 'var1' type_id=23, linkage=global-alloc",
+		"[39] DATASEC 'datasec1' size=12 vlen=1\n"
+		"\ttype_id=23 offset=4 size=8",
+		"[40] DECL_TAG 'tag1' type_id=38 component_idx=-1",
+		"[41] DECL_TAG 'tag2' type_id=36 component_idx=1",
+		"[42] TYPE_TAG 'tag1' type_id=23",
+		"[43] ENUM64 'e1' encoding=SIGNED size=8 vlen=2\n"
+		"\t'v1' val=-1\n"
+		"\t'v2' val=4886718345",
+		"[44] ENUM64 'e1' encoding=UNSIGNED size=8 vlen=1\n"
+		"\t'v1' val=18446744073709551615");
+
+cleanup:
+	btf__free(btf1);
+	btf__free(btf2);
+}
+
+void test_btf_write()
+{
+	if (test__start_subtest("btf_add"))
+		test_btf_add();
+	if (test__start_subtest("btf_add_btf"))
+		test_btf_add_btf();
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/cb_refs.c b/tools/testing/selftests/bpf/prog_tests/cb_refs.c
new file mode 100644
index 000000000..3bff680de
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/cb_refs.c
@@ -0,0 +1,48 @@
+// SPDX-License-Identifier: GPL-2.0
+#include "bpf/libbpf.h"
+#include <test_progs.h>
+#include <network_helpers.h>
+
+#include "cb_refs.skel.h"
+
+static char log_buf[1024 * 1024];
+
+struct {
+	const char *prog_name;
+	const char *err_msg;
+} cb_refs_tests[] = {
+	{ "underflow_prog", "reference has not been acquired before" },
+	{ "leak_prog", "Unreleased reference" },
+	{ "nested_cb", "Unreleased reference id=4 alloc_insn=2" }, /* alloc_insn=2{4,5} */
+	{ "non_cb_transfer_ref", "Unreleased reference id=4 alloc_insn=1" }, /* alloc_insn=1{1,2} */
+};
+
+void test_cb_refs(void)
+{
+	LIBBPF_OPTS(bpf_object_open_opts, opts, .kernel_log_buf = log_buf,
+						.kernel_log_size = sizeof(log_buf),
+						.kernel_log_level = 1);
+	struct bpf_program *prog;
+	struct cb_refs *skel;
+	int i;
+
+	for (i = 0; i < ARRAY_SIZE(cb_refs_tests); i++) {
+		LIBBPF_OPTS(bpf_test_run_opts, run_opts,
+			.data_in = &pkt_v4,
+			.data_size_in = sizeof(pkt_v4),
+			.repeat = 1,
+		);
+		skel = cb_refs__open_opts(&opts);
+		if (!ASSERT_OK_PTR(skel, "cb_refs__open_and_load"))
+			return;
+		prog = bpf_object__find_program_by_name(skel->obj, cb_refs_tests[i].prog_name);
+		bpf_program__set_autoload(prog, true);
+		if (!ASSERT_ERR(cb_refs__load(skel), "cb_refs__load"))
+			bpf_prog_test_run_opts(bpf_program__fd(prog), &run_opts);
+		if (!ASSERT_OK_PTR(strstr(log_buf, cb_refs_tests[i].err_msg), "expected error message")) {
+			fprintf(stderr, "Expected: %s\n", cb_refs_tests[i].err_msg);
+			fprintf(stderr, "Verifier: %s\n", log_buf);
+		}
+		cb_refs__destroy(skel);
+	}
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/cg_storage_multi.c b/tools/testing/selftests/bpf/prog_tests/cg_storage_multi.c
new file mode 100644
index 000000000..63ee892bc
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/cg_storage_multi.c
@@ -0,0 +1,393 @@
+// SPDX-License-Identifier: GPL-2.0-only
+
+/*
+ * Copyright 2020 Google LLC.
+ */
+
+#include <test_progs.h>
+#include <cgroup_helpers.h>
+#include <network_helpers.h>
+
+#include "progs/cg_storage_multi.h"
+
+#include "cg_storage_multi_egress_only.skel.h"
+#include "cg_storage_multi_isolated.skel.h"
+#include "cg_storage_multi_shared.skel.h"
+
+#define PARENT_CGROUP "/cgroup_storage"
+#define CHILD_CGROUP "/cgroup_storage/child"
+
+static int duration;
+
+static bool assert_storage(struct bpf_map *map, const void *key,
+			   struct cgroup_value *expected)
+{
+	struct cgroup_value value;
+	int map_fd;
+
+	map_fd = bpf_map__fd(map);
+
+	if (CHECK(bpf_map_lookup_elem(map_fd, key, &value) < 0,
+		  "map-lookup", "errno %d", errno))
+		return true;
+	if (CHECK(memcmp(&value, expected, sizeof(struct cgroup_value)),
+		  "assert-storage", "storages differ"))
+		return true;
+
+	return false;
+}
+
+static bool assert_storage_noexist(struct bpf_map *map, const void *key)
+{
+	struct cgroup_value value;
+	int map_fd;
+
+	map_fd = bpf_map__fd(map);
+
+	if (CHECK(bpf_map_lookup_elem(map_fd, key, &value) == 0,
+		  "map-lookup", "succeeded, expected ENOENT"))
+		return true;
+	if (CHECK(errno != ENOENT,
+		  "map-lookup", "errno %d, expected ENOENT", errno))
+		return true;
+
+	return false;
+}
+
+static bool connect_send(const char *cgroup_path)
+{
+	int server_fd = -1, client_fd = -1;
+	char message[] = "message";
+	bool res = true;
+
+	if (join_cgroup(cgroup_path))
+		goto out_clean;
+
+	server_fd = start_server(AF_INET, SOCK_DGRAM, NULL, 0, 0);
+	if (server_fd < 0)
+		goto out_clean;
+
+	client_fd = connect_to_fd(server_fd, 0);
+	if (client_fd < 0)
+		goto out_clean;
+
+	if (send(client_fd, &message, sizeof(message), 0) < 0)
+		goto out_clean;
+
+	if (read(server_fd, &message, sizeof(message)) < 0)
+		goto out_clean;
+
+	res = false;
+
+out_clean:
+	close(client_fd);
+	close(server_fd);
+	return res;
+}
+
+static void test_egress_only(int parent_cgroup_fd, int child_cgroup_fd)
+{
+	struct cg_storage_multi_egress_only *obj;
+	struct cgroup_value expected_cgroup_value;
+	struct bpf_cgroup_storage_key key;
+	struct bpf_link *parent_link = NULL, *child_link = NULL;
+	bool err;
+
+	key.attach_type = BPF_CGROUP_INET_EGRESS;
+
+	obj = cg_storage_multi_egress_only__open_and_load();
+	if (CHECK(!obj, "skel-load", "errno %d", errno))
+		return;
+
+	/* Attach to parent cgroup, trigger packet from child.
+	 * Assert that there is only one run and in that run the storage is
+	 * parent cgroup's storage.
+	 * Also assert that child cgroup's storage does not exist
+	 */
+	parent_link = bpf_program__attach_cgroup(obj->progs.egress,
+						 parent_cgroup_fd);
+	if (!ASSERT_OK_PTR(parent_link, "parent-cg-attach"))
+		goto close_bpf_object;
+	err = connect_send(CHILD_CGROUP);
+	if (CHECK(err, "first-connect-send", "errno %d", errno))
+		goto close_bpf_object;
+	if (CHECK(obj->bss->invocations != 1,
+		  "first-invoke", "invocations=%d", obj->bss->invocations))
+		goto close_bpf_object;
+	key.cgroup_inode_id = get_cgroup_id(PARENT_CGROUP);
+	expected_cgroup_value = (struct cgroup_value) { .egress_pkts = 1 };
+	if (assert_storage(obj->maps.cgroup_storage,
+			   &key, &expected_cgroup_value))
+		goto close_bpf_object;
+	key.cgroup_inode_id = get_cgroup_id(CHILD_CGROUP);
+	if (assert_storage_noexist(obj->maps.cgroup_storage, &key))
+		goto close_bpf_object;
+
+	/* Attach to parent and child cgroup, trigger packet from child.
+	 * Assert that there are two additional runs, one that run with parent
+	 * cgroup's storage and one with child cgroup's storage.
+	 */
+	child_link = bpf_program__attach_cgroup(obj->progs.egress,
+						child_cgroup_fd);
+	if (!ASSERT_OK_PTR(child_link, "child-cg-attach"))
+		goto close_bpf_object;
+	err = connect_send(CHILD_CGROUP);
+	if (CHECK(err, "second-connect-send", "errno %d", errno))
+		goto close_bpf_object;
+	if (CHECK(obj->bss->invocations != 3,
+		  "second-invoke", "invocations=%d", obj->bss->invocations))
+		goto close_bpf_object;
+	key.cgroup_inode_id = get_cgroup_id(PARENT_CGROUP);
+	expected_cgroup_value = (struct cgroup_value) { .egress_pkts = 2 };
+	if (assert_storage(obj->maps.cgroup_storage,
+			   &key, &expected_cgroup_value))
+		goto close_bpf_object;
+	key.cgroup_inode_id = get_cgroup_id(CHILD_CGROUP);
+	expected_cgroup_value = (struct cgroup_value) { .egress_pkts = 1 };
+	if (assert_storage(obj->maps.cgroup_storage,
+			   &key, &expected_cgroup_value))
+		goto close_bpf_object;
+
+close_bpf_object:
+	bpf_link__destroy(parent_link);
+	bpf_link__destroy(child_link);
+
+	cg_storage_multi_egress_only__destroy(obj);
+}
+
+static void test_isolated(int parent_cgroup_fd, int child_cgroup_fd)
+{
+	struct cg_storage_multi_isolated *obj;
+	struct cgroup_value expected_cgroup_value;
+	struct bpf_cgroup_storage_key key;
+	struct bpf_link *parent_egress1_link = NULL, *parent_egress2_link = NULL;
+	struct bpf_link *child_egress1_link = NULL, *child_egress2_link = NULL;
+	struct bpf_link *parent_ingress_link = NULL, *child_ingress_link = NULL;
+	bool err;
+
+	obj = cg_storage_multi_isolated__open_and_load();
+	if (CHECK(!obj, "skel-load", "errno %d", errno))
+		return;
+
+	/* Attach to parent cgroup, trigger packet from child.
+	 * Assert that there is three runs, two with parent cgroup egress and
+	 * one with parent cgroup ingress, stored in separate parent storages.
+	 * Also assert that child cgroup's storages does not exist
+	 */
+	parent_egress1_link = bpf_program__attach_cgroup(obj->progs.egress1,
+							 parent_cgroup_fd);
+	if (!ASSERT_OK_PTR(parent_egress1_link, "parent-egress1-cg-attach"))
+		goto close_bpf_object;
+	parent_egress2_link = bpf_program__attach_cgroup(obj->progs.egress2,
+							 parent_cgroup_fd);
+	if (!ASSERT_OK_PTR(parent_egress2_link, "parent-egress2-cg-attach"))
+		goto close_bpf_object;
+	parent_ingress_link = bpf_program__attach_cgroup(obj->progs.ingress,
+							 parent_cgroup_fd);
+	if (!ASSERT_OK_PTR(parent_ingress_link, "parent-ingress-cg-attach"))
+		goto close_bpf_object;
+	err = connect_send(CHILD_CGROUP);
+	if (CHECK(err, "first-connect-send", "errno %d", errno))
+		goto close_bpf_object;
+	if (CHECK(obj->bss->invocations != 3,
+		  "first-invoke", "invocations=%d", obj->bss->invocations))
+		goto close_bpf_object;
+	key.cgroup_inode_id = get_cgroup_id(PARENT_CGROUP);
+	key.attach_type = BPF_CGROUP_INET_EGRESS;
+	expected_cgroup_value = (struct cgroup_value) { .egress_pkts = 2 };
+	if (assert_storage(obj->maps.cgroup_storage,
+			   &key, &expected_cgroup_value))
+		goto close_bpf_object;
+	key.attach_type = BPF_CGROUP_INET_INGRESS;
+	expected_cgroup_value = (struct cgroup_value) { .ingress_pkts = 1 };
+	if (assert_storage(obj->maps.cgroup_storage,
+			   &key, &expected_cgroup_value))
+		goto close_bpf_object;
+	key.cgroup_inode_id = get_cgroup_id(CHILD_CGROUP);
+	key.attach_type = BPF_CGROUP_INET_EGRESS;
+	if (assert_storage_noexist(obj->maps.cgroup_storage, &key))
+		goto close_bpf_object;
+	key.attach_type = BPF_CGROUP_INET_INGRESS;
+	if (assert_storage_noexist(obj->maps.cgroup_storage, &key))
+		goto close_bpf_object;
+
+	/* Attach to parent and child cgroup, trigger packet from child.
+	 * Assert that there is six additional runs, parent cgroup egresses and
+	 * ingress, child cgroup egresses and ingress.
+	 * Assert that egree and ingress storages are separate.
+	 */
+	child_egress1_link = bpf_program__attach_cgroup(obj->progs.egress1,
+							child_cgroup_fd);
+	if (!ASSERT_OK_PTR(child_egress1_link, "child-egress1-cg-attach"))
+		goto close_bpf_object;
+	child_egress2_link = bpf_program__attach_cgroup(obj->progs.egress2,
+							child_cgroup_fd);
+	if (!ASSERT_OK_PTR(child_egress2_link, "child-egress2-cg-attach"))
+		goto close_bpf_object;
+	child_ingress_link = bpf_program__attach_cgroup(obj->progs.ingress,
+							child_cgroup_fd);
+	if (!ASSERT_OK_PTR(child_ingress_link, "child-ingress-cg-attach"))
+		goto close_bpf_object;
+	err = connect_send(CHILD_CGROUP);
+	if (CHECK(err, "second-connect-send", "errno %d", errno))
+		goto close_bpf_object;
+	if (CHECK(obj->bss->invocations != 9,
+		  "second-invoke", "invocations=%d", obj->bss->invocations))
+		goto close_bpf_object;
+	key.cgroup_inode_id = get_cgroup_id(PARENT_CGROUP);
+	key.attach_type = BPF_CGROUP_INET_EGRESS;
+	expected_cgroup_value = (struct cgroup_value) { .egress_pkts = 4 };
+	if (assert_storage(obj->maps.cgroup_storage,
+			   &key, &expected_cgroup_value))
+		goto close_bpf_object;
+	key.attach_type = BPF_CGROUP_INET_INGRESS;
+	expected_cgroup_value = (struct cgroup_value) { .ingress_pkts = 2 };
+	if (assert_storage(obj->maps.cgroup_storage,
+			   &key, &expected_cgroup_value))
+		goto close_bpf_object;
+	key.cgroup_inode_id = get_cgroup_id(CHILD_CGROUP);
+	key.attach_type = BPF_CGROUP_INET_EGRESS;
+	expected_cgroup_value = (struct cgroup_value) { .egress_pkts = 2 };
+	if (assert_storage(obj->maps.cgroup_storage,
+			   &key, &expected_cgroup_value))
+		goto close_bpf_object;
+	key.attach_type = BPF_CGROUP_INET_INGRESS;
+	expected_cgroup_value = (struct cgroup_value) { .ingress_pkts = 1 };
+	if (assert_storage(obj->maps.cgroup_storage,
+			   &key, &expected_cgroup_value))
+		goto close_bpf_object;
+
+close_bpf_object:
+	bpf_link__destroy(parent_egress1_link);
+	bpf_link__destroy(parent_egress2_link);
+	bpf_link__destroy(parent_ingress_link);
+	bpf_link__destroy(child_egress1_link);
+	bpf_link__destroy(child_egress2_link);
+	bpf_link__destroy(child_ingress_link);
+
+	cg_storage_multi_isolated__destroy(obj);
+}
+
+static void test_shared(int parent_cgroup_fd, int child_cgroup_fd)
+{
+	struct cg_storage_multi_shared *obj;
+	struct cgroup_value expected_cgroup_value;
+	__u64 key;
+	struct bpf_link *parent_egress1_link = NULL, *parent_egress2_link = NULL;
+	struct bpf_link *child_egress1_link = NULL, *child_egress2_link = NULL;
+	struct bpf_link *parent_ingress_link = NULL, *child_ingress_link = NULL;
+	bool err;
+
+	obj = cg_storage_multi_shared__open_and_load();
+	if (CHECK(!obj, "skel-load", "errno %d", errno))
+		return;
+
+	/* Attach to parent cgroup, trigger packet from child.
+	 * Assert that there is three runs, two with parent cgroup egress and
+	 * one with parent cgroup ingress.
+	 * Also assert that child cgroup's storage does not exist
+	 */
+	parent_egress1_link = bpf_program__attach_cgroup(obj->progs.egress1,
+							 parent_cgroup_fd);
+	if (!ASSERT_OK_PTR(parent_egress1_link, "parent-egress1-cg-attach"))
+		goto close_bpf_object;
+	parent_egress2_link = bpf_program__attach_cgroup(obj->progs.egress2,
+							 parent_cgroup_fd);
+	if (!ASSERT_OK_PTR(parent_egress2_link, "parent-egress2-cg-attach"))
+		goto close_bpf_object;
+	parent_ingress_link = bpf_program__attach_cgroup(obj->progs.ingress,
+							 parent_cgroup_fd);
+	if (!ASSERT_OK_PTR(parent_ingress_link, "parent-ingress-cg-attach"))
+		goto close_bpf_object;
+	err = connect_send(CHILD_CGROUP);
+	if (CHECK(err, "first-connect-send", "errno %d", errno))
+		goto close_bpf_object;
+	if (CHECK(obj->bss->invocations != 3,
+		  "first-invoke", "invocations=%d", obj->bss->invocations))
+		goto close_bpf_object;
+	key = get_cgroup_id(PARENT_CGROUP);
+	expected_cgroup_value = (struct cgroup_value) {
+		.egress_pkts = 2,
+		.ingress_pkts = 1,
+	};
+	if (assert_storage(obj->maps.cgroup_storage,
+			   &key, &expected_cgroup_value))
+		goto close_bpf_object;
+	key = get_cgroup_id(CHILD_CGROUP);
+	if (assert_storage_noexist(obj->maps.cgroup_storage, &key))
+		goto close_bpf_object;
+
+	/* Attach to parent and child cgroup, trigger packet from child.
+	 * Assert that there is six additional runs, parent cgroup egresses and
+	 * ingress, child cgroup egresses and ingress.
+	 */
+	child_egress1_link = bpf_program__attach_cgroup(obj->progs.egress1,
+							child_cgroup_fd);
+	if (!ASSERT_OK_PTR(child_egress1_link, "child-egress1-cg-attach"))
+		goto close_bpf_object;
+	child_egress2_link = bpf_program__attach_cgroup(obj->progs.egress2,
+							child_cgroup_fd);
+	if (!ASSERT_OK_PTR(child_egress2_link, "child-egress2-cg-attach"))
+		goto close_bpf_object;
+	child_ingress_link = bpf_program__attach_cgroup(obj->progs.ingress,
+							child_cgroup_fd);
+	if (!ASSERT_OK_PTR(child_ingress_link, "child-ingress-cg-attach"))
+		goto close_bpf_object;
+	err = connect_send(CHILD_CGROUP);
+	if (CHECK(err, "second-connect-send", "errno %d", errno))
+		goto close_bpf_object;
+	if (CHECK(obj->bss->invocations != 9,
+		  "second-invoke", "invocations=%d", obj->bss->invocations))
+		goto close_bpf_object;
+	key = get_cgroup_id(PARENT_CGROUP);
+	expected_cgroup_value = (struct cgroup_value) {
+		.egress_pkts = 4,
+		.ingress_pkts = 2,
+	};
+	if (assert_storage(obj->maps.cgroup_storage,
+			   &key, &expected_cgroup_value))
+		goto close_bpf_object;
+	key = get_cgroup_id(CHILD_CGROUP);
+	expected_cgroup_value = (struct cgroup_value) {
+		.egress_pkts = 2,
+		.ingress_pkts = 1,
+	};
+	if (assert_storage(obj->maps.cgroup_storage,
+			   &key, &expected_cgroup_value))
+		goto close_bpf_object;
+
+close_bpf_object:
+	bpf_link__destroy(parent_egress1_link);
+	bpf_link__destroy(parent_egress2_link);
+	bpf_link__destroy(parent_ingress_link);
+	bpf_link__destroy(child_egress1_link);
+	bpf_link__destroy(child_egress2_link);
+	bpf_link__destroy(child_ingress_link);
+
+	cg_storage_multi_shared__destroy(obj);
+}
+
+void serial_test_cg_storage_multi(void)
+{
+	int parent_cgroup_fd = -1, child_cgroup_fd = -1;
+
+	parent_cgroup_fd = test__join_cgroup(PARENT_CGROUP);
+	if (CHECK(parent_cgroup_fd < 0, "cg-create-parent", "errno %d", errno))
+		goto close_cgroup_fd;
+	child_cgroup_fd = create_and_get_cgroup(CHILD_CGROUP);
+	if (CHECK(child_cgroup_fd < 0, "cg-create-child", "errno %d", errno))
+		goto close_cgroup_fd;
+
+	if (test__start_subtest("egress_only"))
+		test_egress_only(parent_cgroup_fd, child_cgroup_fd);
+
+	if (test__start_subtest("isolated"))
+		test_isolated(parent_cgroup_fd, child_cgroup_fd);
+
+	if (test__start_subtest("shared"))
+		test_shared(parent_cgroup_fd, child_cgroup_fd);
+
+close_cgroup_fd:
+	close(child_cgroup_fd);
+	close(parent_cgroup_fd);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/cgroup_attach_autodetach.c b/tools/testing/selftests/bpf/prog_tests/cgroup_attach_autodetach.c
new file mode 100644
index 000000000..9367bd2f0
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/cgroup_attach_autodetach.c
@@ -0,0 +1,111 @@
+// SPDX-License-Identifier: GPL-2.0
+
+#include <test_progs.h>
+
+#include "cgroup_helpers.h"
+
+#define PING_CMD	"ping -q -c1 -w1 127.0.0.1 > /dev/null"
+
+static char bpf_log_buf[BPF_LOG_BUF_SIZE];
+
+static int prog_load(void)
+{
+	struct bpf_insn prog[] = {
+		BPF_MOV64_IMM(BPF_REG_0, 1), /* r0 = 1 */
+		BPF_EXIT_INSN(),
+	};
+	size_t insns_cnt = ARRAY_SIZE(prog);
+
+	return bpf_test_load_program(BPF_PROG_TYPE_CGROUP_SKB,
+			       prog, insns_cnt, "GPL", 0,
+			       bpf_log_buf, BPF_LOG_BUF_SIZE);
+}
+
+void serial_test_cgroup_attach_autodetach(void)
+{
+	__u32 duration = 0, prog_cnt = 4, attach_flags;
+	int allow_prog[2] = {-1};
+	__u32 prog_ids[2] = {0};
+	void *ptr = NULL;
+	int cg = 0, i;
+	int attempts;
+
+	for (i = 0; i < ARRAY_SIZE(allow_prog); i++) {
+		allow_prog[i] = prog_load();
+		if (CHECK(allow_prog[i] < 0, "prog_load",
+			  "verifier output:\n%s\n-------\n", bpf_log_buf))
+			goto err;
+	}
+
+	if (CHECK_FAIL(setup_cgroup_environment()))
+		goto err;
+
+	/* create a cgroup, attach two programs and remember their ids */
+	cg = create_and_get_cgroup("/cg_autodetach");
+	if (CHECK_FAIL(cg < 0))
+		goto err;
+
+	if (CHECK_FAIL(join_cgroup("/cg_autodetach")))
+		goto err;
+
+	for (i = 0; i < ARRAY_SIZE(allow_prog); i++)
+		if (CHECK(bpf_prog_attach(allow_prog[i], cg,
+					  BPF_CGROUP_INET_EGRESS,
+					  BPF_F_ALLOW_MULTI),
+			  "prog_attach", "prog[%d], errno=%d\n", i, errno))
+			goto err;
+
+	/* make sure that programs are attached and run some traffic */
+	if (CHECK(bpf_prog_query(cg, BPF_CGROUP_INET_EGRESS, 0, &attach_flags,
+				 prog_ids, &prog_cnt),
+		  "prog_query", "errno=%d\n", errno))
+		goto err;
+	if (CHECK_FAIL(system(PING_CMD)))
+		goto err;
+
+	/* allocate some memory (4Mb) to pin the original cgroup */
+	ptr = malloc(4 * (1 << 20));
+	if (CHECK_FAIL(!ptr))
+		goto err;
+
+	/* close programs and cgroup fd */
+	for (i = 0; i < ARRAY_SIZE(allow_prog); i++) {
+		close(allow_prog[i]);
+		allow_prog[i] = -1;
+	}
+
+	close(cg);
+	cg = 0;
+
+	/* leave the cgroup and remove it. don't detach programs */
+	cleanup_cgroup_environment();
+
+	/* wait for the asynchronous auto-detachment.
+	 * wait for no more than 5 sec and give up.
+	 */
+	for (i = 0; i < ARRAY_SIZE(prog_ids); i++) {
+		for (attempts = 5; attempts >= 0; attempts--) {
+			int fd = bpf_prog_get_fd_by_id(prog_ids[i]);
+
+			if (fd < 0)
+				break;
+
+			/* don't leave the fd open */
+			close(fd);
+
+			if (CHECK_FAIL(!attempts))
+				goto err;
+
+			sleep(1);
+		}
+	}
+
+err:
+	for (i = 0; i < ARRAY_SIZE(allow_prog); i++)
+		if (allow_prog[i] >= 0)
+			close(allow_prog[i]);
+	if (cg)
+		close(cg);
+	free(ptr);
+	cleanup_cgroup_environment();
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/cgroup_attach_multi.c b/tools/testing/selftests/bpf/prog_tests/cgroup_attach_multi.c
new file mode 100644
index 000000000..db0b7bac7
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/cgroup_attach_multi.c
@@ -0,0 +1,292 @@
+// SPDX-License-Identifier: GPL-2.0
+
+#include <test_progs.h>
+
+#include "cgroup_helpers.h"
+
+#define PING_CMD	"ping -q -c1 -w1 127.0.0.1 > /dev/null"
+
+static char bpf_log_buf[BPF_LOG_BUF_SIZE];
+
+static int map_fd = -1;
+
+static int prog_load_cnt(int verdict, int val)
+{
+	int cgroup_storage_fd, percpu_cgroup_storage_fd;
+
+	if (map_fd < 0)
+		map_fd = bpf_map_create(BPF_MAP_TYPE_ARRAY, NULL, 4, 8, 1, NULL);
+	if (map_fd < 0) {
+		printf("failed to create map '%s'\n", strerror(errno));
+		return -1;
+	}
+
+	cgroup_storage_fd = bpf_map_create(BPF_MAP_TYPE_CGROUP_STORAGE, NULL,
+				sizeof(struct bpf_cgroup_storage_key), 8, 0, NULL);
+	if (cgroup_storage_fd < 0) {
+		printf("failed to create map '%s'\n", strerror(errno));
+		return -1;
+	}
+
+	percpu_cgroup_storage_fd = bpf_map_create(
+		BPF_MAP_TYPE_PERCPU_CGROUP_STORAGE, NULL,
+		sizeof(struct bpf_cgroup_storage_key), 8, 0, NULL);
+	if (percpu_cgroup_storage_fd < 0) {
+		printf("failed to create map '%s'\n", strerror(errno));
+		return -1;
+	}
+
+	struct bpf_insn prog[] = {
+		BPF_MOV32_IMM(BPF_REG_0, 0),
+		BPF_STX_MEM(BPF_W, BPF_REG_10, BPF_REG_0, -4), /* *(u32 *)(fp - 4) = r0 */
+		BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+		BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -4), /* r2 = fp - 4 */
+		BPF_LD_MAP_FD(BPF_REG_1, map_fd),
+		BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+		BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 2),
+		BPF_MOV64_IMM(BPF_REG_1, val), /* r1 = 1 */
+		BPF_ATOMIC_OP(BPF_DW, BPF_ADD, BPF_REG_0, BPF_REG_1, 0),
+
+		BPF_LD_MAP_FD(BPF_REG_1, cgroup_storage_fd),
+		BPF_MOV64_IMM(BPF_REG_2, 0),
+		BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_local_storage),
+		BPF_MOV64_IMM(BPF_REG_1, val),
+		BPF_ATOMIC_OP(BPF_W, BPF_ADD, BPF_REG_0, BPF_REG_1, 0),
+
+		BPF_LD_MAP_FD(BPF_REG_1, percpu_cgroup_storage_fd),
+		BPF_MOV64_IMM(BPF_REG_2, 0),
+		BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_local_storage),
+		BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_0, 0),
+		BPF_ALU64_IMM(BPF_ADD, BPF_REG_3, 0x1),
+		BPF_STX_MEM(BPF_W, BPF_REG_0, BPF_REG_3, 0),
+
+		BPF_MOV64_IMM(BPF_REG_0, verdict), /* r0 = verdict */
+		BPF_EXIT_INSN(),
+	};
+	size_t insns_cnt = ARRAY_SIZE(prog);
+	int ret;
+
+	ret = bpf_test_load_program(BPF_PROG_TYPE_CGROUP_SKB,
+			       prog, insns_cnt, "GPL", 0,
+			       bpf_log_buf, BPF_LOG_BUF_SIZE);
+
+	close(cgroup_storage_fd);
+	return ret;
+}
+
+void serial_test_cgroup_attach_multi(void)
+{
+	__u32 prog_ids[4], prog_cnt = 0, attach_flags, saved_prog_id;
+	int cg1 = 0, cg2 = 0, cg3 = 0, cg4 = 0, cg5 = 0, key = 0;
+	DECLARE_LIBBPF_OPTS(bpf_prog_attach_opts, attach_opts);
+	int allow_prog[7] = {-1};
+	unsigned long long value;
+	__u32 duration = 0;
+	int i = 0;
+
+	for (i = 0; i < ARRAY_SIZE(allow_prog); i++) {
+		allow_prog[i] = prog_load_cnt(1, 1 << i);
+		if (CHECK(allow_prog[i] < 0, "prog_load",
+			  "verifier output:\n%s\n-------\n", bpf_log_buf))
+			goto err;
+	}
+
+	if (CHECK_FAIL(setup_cgroup_environment()))
+		goto err;
+
+	cg1 = create_and_get_cgroup("/cg1");
+	if (CHECK_FAIL(cg1 < 0))
+		goto err;
+	cg2 = create_and_get_cgroup("/cg1/cg2");
+	if (CHECK_FAIL(cg2 < 0))
+		goto err;
+	cg3 = create_and_get_cgroup("/cg1/cg2/cg3");
+	if (CHECK_FAIL(cg3 < 0))
+		goto err;
+	cg4 = create_and_get_cgroup("/cg1/cg2/cg3/cg4");
+	if (CHECK_FAIL(cg4 < 0))
+		goto err;
+	cg5 = create_and_get_cgroup("/cg1/cg2/cg3/cg4/cg5");
+	if (CHECK_FAIL(cg5 < 0))
+		goto err;
+
+	if (CHECK_FAIL(join_cgroup("/cg1/cg2/cg3/cg4/cg5")))
+		goto err;
+
+	if (CHECK(bpf_prog_attach(allow_prog[0], cg1, BPF_CGROUP_INET_EGRESS,
+				  BPF_F_ALLOW_MULTI),
+		  "prog0_attach_to_cg1_multi", "errno=%d\n", errno))
+		goto err;
+
+	if (CHECK(!bpf_prog_attach(allow_prog[0], cg1, BPF_CGROUP_INET_EGRESS,
+				   BPF_F_ALLOW_MULTI),
+		  "fail_same_prog_attach_to_cg1", "unexpected success\n"))
+		goto err;
+
+	if (CHECK(bpf_prog_attach(allow_prog[1], cg1, BPF_CGROUP_INET_EGRESS,
+				  BPF_F_ALLOW_MULTI),
+		  "prog1_attach_to_cg1_multi", "errno=%d\n", errno))
+		goto err;
+
+	if (CHECK(bpf_prog_attach(allow_prog[2], cg2, BPF_CGROUP_INET_EGRESS,
+				  BPF_F_ALLOW_OVERRIDE),
+		  "prog2_attach_to_cg2_override", "errno=%d\n", errno))
+		goto err;
+
+	if (CHECK(bpf_prog_attach(allow_prog[3], cg3, BPF_CGROUP_INET_EGRESS,
+				  BPF_F_ALLOW_MULTI),
+		  "prog3_attach_to_cg3_multi", "errno=%d\n", errno))
+		goto err;
+
+	if (CHECK(bpf_prog_attach(allow_prog[4], cg4, BPF_CGROUP_INET_EGRESS,
+			    BPF_F_ALLOW_OVERRIDE),
+		  "prog4_attach_to_cg4_override", "errno=%d\n", errno))
+		goto err;
+
+	if (CHECK(bpf_prog_attach(allow_prog[5], cg5, BPF_CGROUP_INET_EGRESS, 0),
+		  "prog5_attach_to_cg5_none", "errno=%d\n", errno))
+		goto err;
+
+	CHECK_FAIL(system(PING_CMD));
+	CHECK_FAIL(bpf_map_lookup_elem(map_fd, &key, &value));
+	CHECK_FAIL(value != 1 + 2 + 8 + 32);
+
+	/* query the number of effective progs in cg5 */
+	CHECK_FAIL(bpf_prog_query(cg5, BPF_CGROUP_INET_EGRESS,
+				  BPF_F_QUERY_EFFECTIVE, NULL, NULL, &prog_cnt));
+	CHECK_FAIL(prog_cnt != 4);
+	/* retrieve prog_ids of effective progs in cg5 */
+	CHECK_FAIL(bpf_prog_query(cg5, BPF_CGROUP_INET_EGRESS,
+				  BPF_F_QUERY_EFFECTIVE, &attach_flags,
+				  prog_ids, &prog_cnt));
+	CHECK_FAIL(prog_cnt != 4);
+	CHECK_FAIL(attach_flags != 0);
+	saved_prog_id = prog_ids[0];
+	/* check enospc handling */
+	prog_ids[0] = 0;
+	prog_cnt = 2;
+	CHECK_FAIL(bpf_prog_query(cg5, BPF_CGROUP_INET_EGRESS,
+				  BPF_F_QUERY_EFFECTIVE, &attach_flags,
+				  prog_ids, &prog_cnt) >= 0);
+	CHECK_FAIL(errno != ENOSPC);
+	CHECK_FAIL(prog_cnt != 4);
+	/* check that prog_ids are returned even when buffer is too small */
+	CHECK_FAIL(prog_ids[0] != saved_prog_id);
+	/* retrieve prog_id of single attached prog in cg5 */
+	prog_ids[0] = 0;
+	CHECK_FAIL(bpf_prog_query(cg5, BPF_CGROUP_INET_EGRESS, 0, NULL,
+				  prog_ids, &prog_cnt));
+	CHECK_FAIL(prog_cnt != 1);
+	CHECK_FAIL(prog_ids[0] != saved_prog_id);
+
+	/* detach bottom program and ping again */
+	if (CHECK(bpf_prog_detach2(-1, cg5, BPF_CGROUP_INET_EGRESS),
+		  "prog_detach_from_cg5", "errno=%d\n", errno))
+		goto err;
+
+	value = 0;
+	CHECK_FAIL(bpf_map_update_elem(map_fd, &key, &value, 0));
+	CHECK_FAIL(system(PING_CMD));
+	CHECK_FAIL(bpf_map_lookup_elem(map_fd, &key, &value));
+	CHECK_FAIL(value != 1 + 2 + 8 + 16);
+
+	/* test replace */
+
+	attach_opts.flags = BPF_F_ALLOW_OVERRIDE | BPF_F_REPLACE;
+	attach_opts.replace_prog_fd = allow_prog[0];
+	if (CHECK(!bpf_prog_attach_opts(allow_prog[6], cg1,
+					 BPF_CGROUP_INET_EGRESS, &attach_opts),
+		  "fail_prog_replace_override", "unexpected success\n"))
+		goto err;
+	CHECK_FAIL(errno != EINVAL);
+
+	attach_opts.flags = BPF_F_REPLACE;
+	if (CHECK(!bpf_prog_attach_opts(allow_prog[6], cg1,
+					 BPF_CGROUP_INET_EGRESS, &attach_opts),
+		  "fail_prog_replace_no_multi", "unexpected success\n"))
+		goto err;
+	CHECK_FAIL(errno != EINVAL);
+
+	attach_opts.flags = BPF_F_ALLOW_MULTI | BPF_F_REPLACE;
+	attach_opts.replace_prog_fd = -1;
+	if (CHECK(!bpf_prog_attach_opts(allow_prog[6], cg1,
+					 BPF_CGROUP_INET_EGRESS, &attach_opts),
+		  "fail_prog_replace_bad_fd", "unexpected success\n"))
+		goto err;
+	CHECK_FAIL(errno != EBADF);
+
+	/* replacing a program that is not attached to cgroup should fail  */
+	attach_opts.replace_prog_fd = allow_prog[3];
+	if (CHECK(!bpf_prog_attach_opts(allow_prog[6], cg1,
+					 BPF_CGROUP_INET_EGRESS, &attach_opts),
+		  "fail_prog_replace_no_ent", "unexpected success\n"))
+		goto err;
+	CHECK_FAIL(errno != ENOENT);
+
+	/* replace 1st from the top program */
+	attach_opts.replace_prog_fd = allow_prog[0];
+	if (CHECK(bpf_prog_attach_opts(allow_prog[6], cg1,
+					BPF_CGROUP_INET_EGRESS, &attach_opts),
+		  "prog_replace", "errno=%d\n", errno))
+		goto err;
+
+	/* replace program with itself */
+	attach_opts.replace_prog_fd = allow_prog[6];
+	if (CHECK(bpf_prog_attach_opts(allow_prog[6], cg1,
+					BPF_CGROUP_INET_EGRESS, &attach_opts),
+		  "prog_replace", "errno=%d\n", errno))
+		goto err;
+
+	value = 0;
+	CHECK_FAIL(bpf_map_update_elem(map_fd, &key, &value, 0));
+	CHECK_FAIL(system(PING_CMD));
+	CHECK_FAIL(bpf_map_lookup_elem(map_fd, &key, &value));
+	CHECK_FAIL(value != 64 + 2 + 8 + 16);
+
+	/* detach 3rd from bottom program and ping again */
+	if (CHECK(!bpf_prog_detach2(0, cg3, BPF_CGROUP_INET_EGRESS),
+		  "fail_prog_detach_from_cg3", "unexpected success\n"))
+		goto err;
+
+	if (CHECK(bpf_prog_detach2(allow_prog[3], cg3, BPF_CGROUP_INET_EGRESS),
+		  "prog3_detach_from_cg3", "errno=%d\n", errno))
+		goto err;
+
+	value = 0;
+	CHECK_FAIL(bpf_map_update_elem(map_fd, &key, &value, 0));
+	CHECK_FAIL(system(PING_CMD));
+	CHECK_FAIL(bpf_map_lookup_elem(map_fd, &key, &value));
+	CHECK_FAIL(value != 64 + 2 + 16);
+
+	/* detach 2nd from bottom program and ping again */
+	if (CHECK(bpf_prog_detach2(-1, cg4, BPF_CGROUP_INET_EGRESS),
+		  "prog_detach_from_cg4", "errno=%d\n", errno))
+		goto err;
+
+	value = 0;
+	CHECK_FAIL(bpf_map_update_elem(map_fd, &key, &value, 0));
+	CHECK_FAIL(system(PING_CMD));
+	CHECK_FAIL(bpf_map_lookup_elem(map_fd, &key, &value));
+	CHECK_FAIL(value != 64 + 2 + 4);
+
+	prog_cnt = 4;
+	CHECK_FAIL(bpf_prog_query(cg5, BPF_CGROUP_INET_EGRESS,
+				  BPF_F_QUERY_EFFECTIVE, &attach_flags,
+				  prog_ids, &prog_cnt));
+	CHECK_FAIL(prog_cnt != 3);
+	CHECK_FAIL(attach_flags != 0);
+	CHECK_FAIL(bpf_prog_query(cg5, BPF_CGROUP_INET_EGRESS, 0, NULL,
+				  prog_ids, &prog_cnt));
+	CHECK_FAIL(prog_cnt != 0);
+
+err:
+	for (i = 0; i < ARRAY_SIZE(allow_prog); i++)
+		if (allow_prog[i] >= 0)
+			close(allow_prog[i]);
+	close(cg1);
+	close(cg2);
+	close(cg3);
+	close(cg4);
+	close(cg5);
+	cleanup_cgroup_environment();
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/cgroup_attach_override.c b/tools/testing/selftests/bpf/prog_tests/cgroup_attach_override.c
new file mode 100644
index 000000000..9421a5b7f
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/cgroup_attach_override.c
@@ -0,0 +1,148 @@
+// SPDX-License-Identifier: GPL-2.0
+
+#include <test_progs.h>
+
+#include "cgroup_helpers.h"
+
+#define FOO		"/foo"
+#define BAR		"/foo/bar/"
+#define PING_CMD	"ping -q -c1 -w1 127.0.0.1 > /dev/null"
+
+static char bpf_log_buf[BPF_LOG_BUF_SIZE];
+
+static int prog_load(int verdict)
+{
+	struct bpf_insn prog[] = {
+		BPF_MOV64_IMM(BPF_REG_0, verdict), /* r0 = verdict */
+		BPF_EXIT_INSN(),
+	};
+	size_t insns_cnt = ARRAY_SIZE(prog);
+
+	return bpf_test_load_program(BPF_PROG_TYPE_CGROUP_SKB,
+			       prog, insns_cnt, "GPL", 0,
+			       bpf_log_buf, BPF_LOG_BUF_SIZE);
+}
+
+void serial_test_cgroup_attach_override(void)
+{
+	int drop_prog = -1, allow_prog = -1, foo = -1, bar = -1;
+	__u32 duration = 0;
+
+	allow_prog = prog_load(1);
+	if (CHECK(allow_prog < 0, "prog_load_allow",
+		  "verifier output:\n%s\n-------\n", bpf_log_buf))
+		goto err;
+
+	drop_prog = prog_load(0);
+	if (CHECK(drop_prog < 0, "prog_load_drop",
+		  "verifier output:\n%s\n-------\n", bpf_log_buf))
+		goto err;
+
+	foo = test__join_cgroup(FOO);
+	if (CHECK(foo < 0, "cgroup_join_foo", "cgroup setup failed\n"))
+		goto err;
+
+	if (CHECK(bpf_prog_attach(drop_prog, foo, BPF_CGROUP_INET_EGRESS,
+				  BPF_F_ALLOW_OVERRIDE),
+		  "prog_attach_drop_foo_override",
+		  "attach prog to %s failed, errno=%d\n", FOO, errno))
+		goto err;
+
+	if (CHECK(!system(PING_CMD), "ping_fail",
+		  "ping unexpectedly succeeded\n"))
+		goto err;
+
+	bar = test__join_cgroup(BAR);
+	if (CHECK(bar < 0, "cgroup_join_bar", "cgroup setup failed\n"))
+		goto err;
+
+	if (CHECK(!system(PING_CMD), "ping_fail",
+		  "ping unexpectedly succeeded\n"))
+		goto err;
+
+	if (CHECK(bpf_prog_attach(allow_prog, bar, BPF_CGROUP_INET_EGRESS,
+				  BPF_F_ALLOW_OVERRIDE),
+		  "prog_attach_allow_bar_override",
+		  "attach prog to %s failed, errno=%d\n", BAR, errno))
+		goto err;
+
+	if (CHECK(system(PING_CMD), "ping_ok", "ping failed\n"))
+		goto err;
+
+	if (CHECK(bpf_prog_detach(bar, BPF_CGROUP_INET_EGRESS),
+		  "prog_detach_bar",
+		  "detach prog from %s failed, errno=%d\n", BAR, errno))
+		goto err;
+
+	if (CHECK(!system(PING_CMD), "ping_fail",
+		  "ping unexpectedly succeeded\n"))
+		goto err;
+
+	if (CHECK(bpf_prog_attach(allow_prog, bar, BPF_CGROUP_INET_EGRESS,
+				  BPF_F_ALLOW_OVERRIDE),
+		  "prog_attach_allow_bar_override",
+		  "attach prog to %s failed, errno=%d\n", BAR, errno))
+		goto err;
+
+	if (CHECK(bpf_prog_detach(foo, BPF_CGROUP_INET_EGRESS),
+		  "prog_detach_foo",
+		  "detach prog from %s failed, errno=%d\n", FOO, errno))
+		goto err;
+
+	if (CHECK(system(PING_CMD), "ping_ok", "ping failed\n"))
+		goto err;
+
+	if (CHECK(bpf_prog_attach(allow_prog, bar, BPF_CGROUP_INET_EGRESS,
+				  BPF_F_ALLOW_OVERRIDE),
+		  "prog_attach_allow_bar_override",
+		  "attach prog to %s failed, errno=%d\n", BAR, errno))
+		goto err;
+
+	if (CHECK(!bpf_prog_attach(allow_prog, bar, BPF_CGROUP_INET_EGRESS, 0),
+		  "fail_prog_attach_allow_bar_none",
+		  "attach prog to %s unexpectedly succeeded\n", BAR))
+		goto err;
+
+	if (CHECK(bpf_prog_detach(bar, BPF_CGROUP_INET_EGRESS),
+		  "prog_detach_bar",
+		  "detach prog from %s failed, errno=%d\n", BAR, errno))
+		goto err;
+
+	if (CHECK(!bpf_prog_detach(foo, BPF_CGROUP_INET_EGRESS),
+		  "fail_prog_detach_foo",
+		  "double detach from %s unexpectedly succeeded\n", FOO))
+		goto err;
+
+	if (CHECK(bpf_prog_attach(allow_prog, foo, BPF_CGROUP_INET_EGRESS, 0),
+		  "prog_attach_allow_foo_none",
+		  "attach prog to %s failed, errno=%d\n", FOO, errno))
+		goto err;
+
+	if (CHECK(!bpf_prog_attach(allow_prog, bar, BPF_CGROUP_INET_EGRESS, 0),
+		  "fail_prog_attach_allow_bar_none",
+		  "attach prog to %s unexpectedly succeeded\n", BAR))
+		goto err;
+
+	if (CHECK(!bpf_prog_attach(allow_prog, bar, BPF_CGROUP_INET_EGRESS,
+				   BPF_F_ALLOW_OVERRIDE),
+		  "fail_prog_attach_allow_bar_override",
+		  "attach prog to %s unexpectedly succeeded\n", BAR))
+		goto err;
+
+	if (CHECK(!bpf_prog_attach(allow_prog, foo, BPF_CGROUP_INET_EGRESS,
+				   BPF_F_ALLOW_OVERRIDE),
+		  "fail_prog_attach_allow_foo_override",
+		  "attach prog to %s unexpectedly succeeded\n", FOO))
+		goto err;
+
+	if (CHECK(bpf_prog_attach(drop_prog, foo, BPF_CGROUP_INET_EGRESS, 0),
+		  "prog_attach_drop_foo_none",
+		  "attach prog to %s failed, errno=%d\n", FOO, errno))
+		goto err;
+
+err:
+	close(foo);
+	close(bar);
+	close(allow_prog);
+	close(drop_prog);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/cgroup_getset_retval.c b/tools/testing/selftests/bpf/prog_tests/cgroup_getset_retval.c
new file mode 100644
index 000000000..4d2fa9927
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/cgroup_getset_retval.c
@@ -0,0 +1,529 @@
+// SPDX-License-Identifier: GPL-2.0-only
+
+/*
+ * Copyright 2021 Google LLC.
+ */
+
+#include <test_progs.h>
+#include <cgroup_helpers.h>
+#include <network_helpers.h>
+
+#include "cgroup_getset_retval_setsockopt.skel.h"
+#include "cgroup_getset_retval_getsockopt.skel.h"
+#include "cgroup_getset_retval_hooks.skel.h"
+
+#define SOL_CUSTOM	0xdeadbeef
+
+static int zero;
+
+static void test_setsockopt_set(int cgroup_fd, int sock_fd)
+{
+	struct cgroup_getset_retval_setsockopt *obj;
+	struct bpf_link *link_set_eunatch = NULL;
+
+	obj = cgroup_getset_retval_setsockopt__open_and_load();
+	if (!ASSERT_OK_PTR(obj, "skel-load"))
+		return;
+
+	/* Attach setsockopt that sets EUNATCH, assert that
+	 * we actually get that error when we run setsockopt()
+	 */
+	link_set_eunatch = bpf_program__attach_cgroup(obj->progs.set_eunatch,
+						      cgroup_fd);
+	if (!ASSERT_OK_PTR(link_set_eunatch, "cg-attach-set_eunatch"))
+		goto close_bpf_object;
+
+	if (!ASSERT_ERR(setsockopt(sock_fd, SOL_SOCKET, SO_REUSEADDR,
+				   &zero, sizeof(int)), "setsockopt"))
+		goto close_bpf_object;
+	if (!ASSERT_EQ(errno, EUNATCH, "setsockopt-errno"))
+		goto close_bpf_object;
+
+	if (!ASSERT_EQ(obj->bss->invocations, 1, "invocations"))
+		goto close_bpf_object;
+	if (!ASSERT_FALSE(obj->bss->assertion_error, "assertion_error"))
+		goto close_bpf_object;
+
+close_bpf_object:
+	bpf_link__destroy(link_set_eunatch);
+
+	cgroup_getset_retval_setsockopt__destroy(obj);
+}
+
+static void test_setsockopt_set_and_get(int cgroup_fd, int sock_fd)
+{
+	struct cgroup_getset_retval_setsockopt *obj;
+	struct bpf_link *link_set_eunatch = NULL, *link_get_retval = NULL;
+
+	obj = cgroup_getset_retval_setsockopt__open_and_load();
+	if (!ASSERT_OK_PTR(obj, "skel-load"))
+		return;
+
+	/* Attach setsockopt that sets EUNATCH, and one that gets the
+	 * previously set errno. Assert that we get the same errno back.
+	 */
+	link_set_eunatch = bpf_program__attach_cgroup(obj->progs.set_eunatch,
+						      cgroup_fd);
+	if (!ASSERT_OK_PTR(link_set_eunatch, "cg-attach-set_eunatch"))
+		goto close_bpf_object;
+	link_get_retval = bpf_program__attach_cgroup(obj->progs.get_retval,
+						     cgroup_fd);
+	if (!ASSERT_OK_PTR(link_get_retval, "cg-attach-get_retval"))
+		goto close_bpf_object;
+
+	if (!ASSERT_ERR(setsockopt(sock_fd, SOL_SOCKET, SO_REUSEADDR,
+				   &zero, sizeof(int)), "setsockopt"))
+		goto close_bpf_object;
+	if (!ASSERT_EQ(errno, EUNATCH, "setsockopt-errno"))
+		goto close_bpf_object;
+
+	if (!ASSERT_EQ(obj->bss->invocations, 2, "invocations"))
+		goto close_bpf_object;
+	if (!ASSERT_FALSE(obj->bss->assertion_error, "assertion_error"))
+		goto close_bpf_object;
+	if (!ASSERT_EQ(obj->bss->retval_value, -EUNATCH, "retval_value"))
+		goto close_bpf_object;
+
+close_bpf_object:
+	bpf_link__destroy(link_set_eunatch);
+	bpf_link__destroy(link_get_retval);
+
+	cgroup_getset_retval_setsockopt__destroy(obj);
+}
+
+static void test_setsockopt_default_zero(int cgroup_fd, int sock_fd)
+{
+	struct cgroup_getset_retval_setsockopt *obj;
+	struct bpf_link *link_get_retval = NULL;
+
+	obj = cgroup_getset_retval_setsockopt__open_and_load();
+	if (!ASSERT_OK_PTR(obj, "skel-load"))
+		return;
+
+	/* Attach setsockopt that gets the previously set errno.
+	 * Assert that, without anything setting one, we get 0.
+	 */
+	link_get_retval = bpf_program__attach_cgroup(obj->progs.get_retval,
+						     cgroup_fd);
+	if (!ASSERT_OK_PTR(link_get_retval, "cg-attach-get_retval"))
+		goto close_bpf_object;
+
+	if (!ASSERT_OK(setsockopt(sock_fd, SOL_SOCKET, SO_REUSEADDR,
+				  &zero, sizeof(int)), "setsockopt"))
+		goto close_bpf_object;
+
+	if (!ASSERT_EQ(obj->bss->invocations, 1, "invocations"))
+		goto close_bpf_object;
+	if (!ASSERT_FALSE(obj->bss->assertion_error, "assertion_error"))
+		goto close_bpf_object;
+	if (!ASSERT_EQ(obj->bss->retval_value, 0, "retval_value"))
+		goto close_bpf_object;
+
+close_bpf_object:
+	bpf_link__destroy(link_get_retval);
+
+	cgroup_getset_retval_setsockopt__destroy(obj);
+}
+
+static void test_setsockopt_default_zero_and_set(int cgroup_fd, int sock_fd)
+{
+	struct cgroup_getset_retval_setsockopt *obj;
+	struct bpf_link *link_get_retval = NULL, *link_set_eunatch = NULL;
+
+	obj = cgroup_getset_retval_setsockopt__open_and_load();
+	if (!ASSERT_OK_PTR(obj, "skel-load"))
+		return;
+
+	/* Attach setsockopt that gets the previously set errno, and then
+	 * one that sets the errno to EUNATCH. Assert that the get does not
+	 * see EUNATCH set later, and does not prevent EUNATCH from being set.
+	 */
+	link_get_retval = bpf_program__attach_cgroup(obj->progs.get_retval,
+						     cgroup_fd);
+	if (!ASSERT_OK_PTR(link_get_retval, "cg-attach-get_retval"))
+		goto close_bpf_object;
+	link_set_eunatch = bpf_program__attach_cgroup(obj->progs.set_eunatch,
+						      cgroup_fd);
+	if (!ASSERT_OK_PTR(link_set_eunatch, "cg-attach-set_eunatch"))
+		goto close_bpf_object;
+
+	if (!ASSERT_ERR(setsockopt(sock_fd, SOL_SOCKET, SO_REUSEADDR,
+				   &zero, sizeof(int)), "setsockopt"))
+		goto close_bpf_object;
+	if (!ASSERT_EQ(errno, EUNATCH, "setsockopt-errno"))
+		goto close_bpf_object;
+
+	if (!ASSERT_EQ(obj->bss->invocations, 2, "invocations"))
+		goto close_bpf_object;
+	if (!ASSERT_FALSE(obj->bss->assertion_error, "assertion_error"))
+		goto close_bpf_object;
+	if (!ASSERT_EQ(obj->bss->retval_value, 0, "retval_value"))
+		goto close_bpf_object;
+
+close_bpf_object:
+	bpf_link__destroy(link_get_retval);
+	bpf_link__destroy(link_set_eunatch);
+
+	cgroup_getset_retval_setsockopt__destroy(obj);
+}
+
+static void test_setsockopt_override(int cgroup_fd, int sock_fd)
+{
+	struct cgroup_getset_retval_setsockopt *obj;
+	struct bpf_link *link_set_eunatch = NULL, *link_set_eisconn = NULL;
+	struct bpf_link *link_get_retval = NULL;
+
+	obj = cgroup_getset_retval_setsockopt__open_and_load();
+	if (!ASSERT_OK_PTR(obj, "skel-load"))
+		return;
+
+	/* Attach setsockopt that sets EUNATCH, then one that sets EISCONN,
+	 * and then one that gets the exported errno. Assert both the syscall
+	 * and the helper sees the last set errno.
+	 */
+	link_set_eunatch = bpf_program__attach_cgroup(obj->progs.set_eunatch,
+						      cgroup_fd);
+	if (!ASSERT_OK_PTR(link_set_eunatch, "cg-attach-set_eunatch"))
+		goto close_bpf_object;
+	link_set_eisconn = bpf_program__attach_cgroup(obj->progs.set_eisconn,
+						      cgroup_fd);
+	if (!ASSERT_OK_PTR(link_set_eisconn, "cg-attach-set_eisconn"))
+		goto close_bpf_object;
+	link_get_retval = bpf_program__attach_cgroup(obj->progs.get_retval,
+						     cgroup_fd);
+	if (!ASSERT_OK_PTR(link_get_retval, "cg-attach-get_retval"))
+		goto close_bpf_object;
+
+	if (!ASSERT_ERR(setsockopt(sock_fd, SOL_SOCKET, SO_REUSEADDR,
+				   &zero, sizeof(int)), "setsockopt"))
+		goto close_bpf_object;
+	if (!ASSERT_EQ(errno, EISCONN, "setsockopt-errno"))
+		goto close_bpf_object;
+
+	if (!ASSERT_EQ(obj->bss->invocations, 3, "invocations"))
+		goto close_bpf_object;
+	if (!ASSERT_FALSE(obj->bss->assertion_error, "assertion_error"))
+		goto close_bpf_object;
+	if (!ASSERT_EQ(obj->bss->retval_value, -EISCONN, "retval_value"))
+		goto close_bpf_object;
+
+close_bpf_object:
+	bpf_link__destroy(link_set_eunatch);
+	bpf_link__destroy(link_set_eisconn);
+	bpf_link__destroy(link_get_retval);
+
+	cgroup_getset_retval_setsockopt__destroy(obj);
+}
+
+static void test_setsockopt_legacy_eperm(int cgroup_fd, int sock_fd)
+{
+	struct cgroup_getset_retval_setsockopt *obj;
+	struct bpf_link *link_legacy_eperm = NULL, *link_get_retval = NULL;
+
+	obj = cgroup_getset_retval_setsockopt__open_and_load();
+	if (!ASSERT_OK_PTR(obj, "skel-load"))
+		return;
+
+	/* Attach setsockopt that return a reject without setting errno
+	 * (legacy reject), and one that gets the errno. Assert that for
+	 * backward compatibility the syscall result in EPERM, and this
+	 * is also visible to the helper.
+	 */
+	link_legacy_eperm = bpf_program__attach_cgroup(obj->progs.legacy_eperm,
+						       cgroup_fd);
+	if (!ASSERT_OK_PTR(link_legacy_eperm, "cg-attach-legacy_eperm"))
+		goto close_bpf_object;
+	link_get_retval = bpf_program__attach_cgroup(obj->progs.get_retval,
+						     cgroup_fd);
+	if (!ASSERT_OK_PTR(link_get_retval, "cg-attach-get_retval"))
+		goto close_bpf_object;
+
+	if (!ASSERT_ERR(setsockopt(sock_fd, SOL_SOCKET, SO_REUSEADDR,
+				   &zero, sizeof(int)), "setsockopt"))
+		goto close_bpf_object;
+	if (!ASSERT_EQ(errno, EPERM, "setsockopt-errno"))
+		goto close_bpf_object;
+
+	if (!ASSERT_EQ(obj->bss->invocations, 2, "invocations"))
+		goto close_bpf_object;
+	if (!ASSERT_FALSE(obj->bss->assertion_error, "assertion_error"))
+		goto close_bpf_object;
+	if (!ASSERT_EQ(obj->bss->retval_value, -EPERM, "retval_value"))
+		goto close_bpf_object;
+
+close_bpf_object:
+	bpf_link__destroy(link_legacy_eperm);
+	bpf_link__destroy(link_get_retval);
+
+	cgroup_getset_retval_setsockopt__destroy(obj);
+}
+
+static void test_setsockopt_legacy_no_override(int cgroup_fd, int sock_fd)
+{
+	struct cgroup_getset_retval_setsockopt *obj;
+	struct bpf_link *link_set_eunatch = NULL, *link_legacy_eperm = NULL;
+	struct bpf_link *link_get_retval = NULL;
+
+	obj = cgroup_getset_retval_setsockopt__open_and_load();
+	if (!ASSERT_OK_PTR(obj, "skel-load"))
+		return;
+
+	/* Attach setsockopt that sets EUNATCH, then one that return a reject
+	 * without setting errno, and then one that gets the exported errno.
+	 * Assert both the syscall and the helper's errno are unaffected by
+	 * the second prog (i.e. legacy rejects does not override the errno
+	 * to EPERM).
+	 */
+	link_set_eunatch = bpf_program__attach_cgroup(obj->progs.set_eunatch,
+						      cgroup_fd);
+	if (!ASSERT_OK_PTR(link_set_eunatch, "cg-attach-set_eunatch"))
+		goto close_bpf_object;
+	link_legacy_eperm = bpf_program__attach_cgroup(obj->progs.legacy_eperm,
+						       cgroup_fd);
+	if (!ASSERT_OK_PTR(link_legacy_eperm, "cg-attach-legacy_eperm"))
+		goto close_bpf_object;
+	link_get_retval = bpf_program__attach_cgroup(obj->progs.get_retval,
+						     cgroup_fd);
+	if (!ASSERT_OK_PTR(link_get_retval, "cg-attach-get_retval"))
+		goto close_bpf_object;
+
+	if (!ASSERT_ERR(setsockopt(sock_fd, SOL_SOCKET, SO_REUSEADDR,
+				   &zero, sizeof(int)), "setsockopt"))
+		goto close_bpf_object;
+	if (!ASSERT_EQ(errno, EUNATCH, "setsockopt-errno"))
+		goto close_bpf_object;
+
+	if (!ASSERT_EQ(obj->bss->invocations, 3, "invocations"))
+		goto close_bpf_object;
+	if (!ASSERT_FALSE(obj->bss->assertion_error, "assertion_error"))
+		goto close_bpf_object;
+	if (!ASSERT_EQ(obj->bss->retval_value, -EUNATCH, "retval_value"))
+		goto close_bpf_object;
+
+close_bpf_object:
+	bpf_link__destroy(link_set_eunatch);
+	bpf_link__destroy(link_legacy_eperm);
+	bpf_link__destroy(link_get_retval);
+
+	cgroup_getset_retval_setsockopt__destroy(obj);
+}
+
+static void test_getsockopt_get(int cgroup_fd, int sock_fd)
+{
+	struct cgroup_getset_retval_getsockopt *obj;
+	struct bpf_link *link_get_retval = NULL;
+	int buf;
+	socklen_t optlen = sizeof(buf);
+
+	obj = cgroup_getset_retval_getsockopt__open_and_load();
+	if (!ASSERT_OK_PTR(obj, "skel-load"))
+		return;
+
+	/* Attach getsockopt that gets previously set errno. Assert that the
+	 * error from kernel is in both ctx_retval_value and retval_value.
+	 */
+	link_get_retval = bpf_program__attach_cgroup(obj->progs.get_retval,
+						     cgroup_fd);
+	if (!ASSERT_OK_PTR(link_get_retval, "cg-attach-get_retval"))
+		goto close_bpf_object;
+
+	if (!ASSERT_ERR(getsockopt(sock_fd, SOL_CUSTOM, 0,
+				   &buf, &optlen), "getsockopt"))
+		goto close_bpf_object;
+	if (!ASSERT_EQ(errno, EOPNOTSUPP, "getsockopt-errno"))
+		goto close_bpf_object;
+
+	if (!ASSERT_EQ(obj->bss->invocations, 1, "invocations"))
+		goto close_bpf_object;
+	if (!ASSERT_FALSE(obj->bss->assertion_error, "assertion_error"))
+		goto close_bpf_object;
+	if (!ASSERT_EQ(obj->bss->retval_value, -EOPNOTSUPP, "retval_value"))
+		goto close_bpf_object;
+	if (!ASSERT_EQ(obj->bss->ctx_retval_value, -EOPNOTSUPP, "ctx_retval_value"))
+		goto close_bpf_object;
+
+close_bpf_object:
+	bpf_link__destroy(link_get_retval);
+
+	cgroup_getset_retval_getsockopt__destroy(obj);
+}
+
+static void test_getsockopt_override(int cgroup_fd, int sock_fd)
+{
+	struct cgroup_getset_retval_getsockopt *obj;
+	struct bpf_link *link_set_eisconn = NULL;
+	int buf;
+	socklen_t optlen = sizeof(buf);
+
+	obj = cgroup_getset_retval_getsockopt__open_and_load();
+	if (!ASSERT_OK_PTR(obj, "skel-load"))
+		return;
+
+	/* Attach getsockopt that sets retval to -EISCONN. Assert that this
+	 * overrides the value from kernel.
+	 */
+	link_set_eisconn = bpf_program__attach_cgroup(obj->progs.set_eisconn,
+						      cgroup_fd);
+	if (!ASSERT_OK_PTR(link_set_eisconn, "cg-attach-set_eisconn"))
+		goto close_bpf_object;
+
+	if (!ASSERT_ERR(getsockopt(sock_fd, SOL_CUSTOM, 0,
+				   &buf, &optlen), "getsockopt"))
+		goto close_bpf_object;
+	if (!ASSERT_EQ(errno, EISCONN, "getsockopt-errno"))
+		goto close_bpf_object;
+
+	if (!ASSERT_EQ(obj->bss->invocations, 1, "invocations"))
+		goto close_bpf_object;
+	if (!ASSERT_FALSE(obj->bss->assertion_error, "assertion_error"))
+		goto close_bpf_object;
+
+close_bpf_object:
+	bpf_link__destroy(link_set_eisconn);
+
+	cgroup_getset_retval_getsockopt__destroy(obj);
+}
+
+static void test_getsockopt_retval_sync(int cgroup_fd, int sock_fd)
+{
+	struct cgroup_getset_retval_getsockopt *obj;
+	struct bpf_link *link_set_eisconn = NULL, *link_clear_retval = NULL;
+	struct bpf_link *link_get_retval = NULL;
+	int buf;
+	socklen_t optlen = sizeof(buf);
+
+	obj = cgroup_getset_retval_getsockopt__open_and_load();
+	if (!ASSERT_OK_PTR(obj, "skel-load"))
+		return;
+
+	/* Attach getsockopt that sets retval to -EISCONN, and one that clears
+	 * ctx retval. Assert that the clearing ctx retval is synced to helper
+	 * and clears any errors both from kernel and BPF..
+	 */
+	link_set_eisconn = bpf_program__attach_cgroup(obj->progs.set_eisconn,
+						      cgroup_fd);
+	if (!ASSERT_OK_PTR(link_set_eisconn, "cg-attach-set_eisconn"))
+		goto close_bpf_object;
+	link_clear_retval = bpf_program__attach_cgroup(obj->progs.clear_retval,
+						       cgroup_fd);
+	if (!ASSERT_OK_PTR(link_clear_retval, "cg-attach-clear_retval"))
+		goto close_bpf_object;
+	link_get_retval = bpf_program__attach_cgroup(obj->progs.get_retval,
+						     cgroup_fd);
+	if (!ASSERT_OK_PTR(link_get_retval, "cg-attach-get_retval"))
+		goto close_bpf_object;
+
+	if (!ASSERT_OK(getsockopt(sock_fd, SOL_CUSTOM, 0,
+				  &buf, &optlen), "getsockopt"))
+		goto close_bpf_object;
+
+	if (!ASSERT_EQ(obj->bss->invocations, 3, "invocations"))
+		goto close_bpf_object;
+	if (!ASSERT_FALSE(obj->bss->assertion_error, "assertion_error"))
+		goto close_bpf_object;
+	if (!ASSERT_EQ(obj->bss->retval_value, 0, "retval_value"))
+		goto close_bpf_object;
+	if (!ASSERT_EQ(obj->bss->ctx_retval_value, 0, "ctx_retval_value"))
+		goto close_bpf_object;
+
+close_bpf_object:
+	bpf_link__destroy(link_set_eisconn);
+	bpf_link__destroy(link_clear_retval);
+	bpf_link__destroy(link_get_retval);
+
+	cgroup_getset_retval_getsockopt__destroy(obj);
+}
+
+struct exposed_hook {
+	const char *name;
+	int expected_err;
+} exposed_hooks[] = {
+
+#define BPF_RETVAL_HOOK(NAME, SECTION, CTX, EXPECTED_ERR) \
+	{ \
+		.name = #NAME, \
+		.expected_err = EXPECTED_ERR, \
+	},
+
+#include "cgroup_getset_retval_hooks.h"
+
+#undef BPF_RETVAL_HOOK
+};
+
+static void test_exposed_hooks(int cgroup_fd, int sock_fd)
+{
+	struct cgroup_getset_retval_hooks *skel;
+	struct bpf_program *prog;
+	int err;
+	int i;
+
+	for (i = 0; i < ARRAY_SIZE(exposed_hooks); i++) {
+		skel = cgroup_getset_retval_hooks__open();
+		if (!ASSERT_OK_PTR(skel, "cgroup_getset_retval_hooks__open"))
+			continue;
+
+		prog = bpf_object__find_program_by_name(skel->obj, exposed_hooks[i].name);
+		if (!ASSERT_NEQ(prog, NULL, "bpf_object__find_program_by_name"))
+			goto close_skel;
+
+		err = bpf_program__set_autoload(prog, true);
+		if (!ASSERT_OK(err, "bpf_program__set_autoload"))
+			goto close_skel;
+
+		err = cgroup_getset_retval_hooks__load(skel);
+		ASSERT_EQ(err, exposed_hooks[i].expected_err, "expected_err");
+
+close_skel:
+		cgroup_getset_retval_hooks__destroy(skel);
+	}
+}
+
+void test_cgroup_getset_retval(void)
+{
+	int cgroup_fd = -1;
+	int sock_fd = -1;
+
+	cgroup_fd = test__join_cgroup("/cgroup_getset_retval");
+	if (!ASSERT_GE(cgroup_fd, 0, "cg-create"))
+		goto close_fd;
+
+	sock_fd = start_server(AF_INET, SOCK_DGRAM, NULL, 0, 0);
+	if (!ASSERT_GE(sock_fd, 0, "start-server"))
+		goto close_fd;
+
+	if (test__start_subtest("setsockopt-set"))
+		test_setsockopt_set(cgroup_fd, sock_fd);
+
+	if (test__start_subtest("setsockopt-set_and_get"))
+		test_setsockopt_set_and_get(cgroup_fd, sock_fd);
+
+	if (test__start_subtest("setsockopt-default_zero"))
+		test_setsockopt_default_zero(cgroup_fd, sock_fd);
+
+	if (test__start_subtest("setsockopt-default_zero_and_set"))
+		test_setsockopt_default_zero_and_set(cgroup_fd, sock_fd);
+
+	if (test__start_subtest("setsockopt-override"))
+		test_setsockopt_override(cgroup_fd, sock_fd);
+
+	if (test__start_subtest("setsockopt-legacy_eperm"))
+		test_setsockopt_legacy_eperm(cgroup_fd, sock_fd);
+
+	if (test__start_subtest("setsockopt-legacy_no_override"))
+		test_setsockopt_legacy_no_override(cgroup_fd, sock_fd);
+
+	if (test__start_subtest("getsockopt-get"))
+		test_getsockopt_get(cgroup_fd, sock_fd);
+
+	if (test__start_subtest("getsockopt-override"))
+		test_getsockopt_override(cgroup_fd, sock_fd);
+
+	if (test__start_subtest("getsockopt-retval_sync"))
+		test_getsockopt_retval_sync(cgroup_fd, sock_fd);
+
+	if (test__start_subtest("exposed_hooks"))
+		test_exposed_hooks(cgroup_fd, sock_fd);
+
+close_fd:
+	close(cgroup_fd);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/cgroup_hierarchical_stats.c b/tools/testing/selftests/bpf/prog_tests/cgroup_hierarchical_stats.c
new file mode 100644
index 000000000..3bd27d2ea
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/cgroup_hierarchical_stats.c
@@ -0,0 +1,339 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * This test makes sure BPF stats collection using rstat works correctly.
+ * The test uses 3 BPF progs:
+ * (a) counter: This BPF prog is invoked every time we attach a process to a
+ *              cgroup and locklessly increments a percpu counter.
+ *              The program then calls cgroup_rstat_updated() to inform rstat
+ *              of an update on the (cpu, cgroup) pair.
+ *
+ * (b) flusher: This BPF prog is invoked when an rstat flush is ongoing, it
+ *              aggregates all percpu counters to a total counter, and also
+ *              propagates the changes to the ancestor cgroups.
+ *
+ * (c) dumper: This BPF prog is a cgroup_iter. It is used to output the total
+ *             counter of a cgroup through reading a file in userspace.
+ *
+ * The test sets up a cgroup hierarchy, and the above programs. It spawns a few
+ * processes in the leaf cgroups and makes sure all the counters are aggregated
+ * correctly.
+ *
+ * Copyright 2022 Google LLC.
+ */
+#include <asm-generic/errno.h>
+#include <errno.h>
+#include <sys/types.h>
+#include <sys/mount.h>
+#include <sys/stat.h>
+#include <unistd.h>
+
+#include <test_progs.h>
+#include <bpf/libbpf.h>
+#include <bpf/bpf.h>
+
+#include "cgroup_helpers.h"
+#include "cgroup_hierarchical_stats.skel.h"
+
+#define PAGE_SIZE 4096
+#define MB(x) (x << 20)
+
+#define PROCESSES_PER_CGROUP 3
+
+#define BPFFS_ROOT "/sys/fs/bpf/"
+#define BPFFS_ATTACH_COUNTERS BPFFS_ROOT "attach_counters/"
+
+#define CG_ROOT_NAME "root"
+#define CG_ROOT_ID 1
+
+#define CGROUP_PATH(p, n) {.path = p"/"n, .name = n}
+
+static struct {
+	const char *path, *name;
+	unsigned long long id;
+	int fd;
+} cgroups[] = {
+	CGROUP_PATH("/", "test"),
+	CGROUP_PATH("/test", "child1"),
+	CGROUP_PATH("/test", "child2"),
+	CGROUP_PATH("/test/child1", "child1_1"),
+	CGROUP_PATH("/test/child1", "child1_2"),
+	CGROUP_PATH("/test/child2", "child2_1"),
+	CGROUP_PATH("/test/child2", "child2_2"),
+};
+
+#define N_CGROUPS ARRAY_SIZE(cgroups)
+#define N_NON_LEAF_CGROUPS 3
+
+static int root_cgroup_fd;
+static bool mounted_bpffs;
+
+/* reads file at 'path' to 'buf', returns 0 on success. */
+static int read_from_file(const char *path, char *buf, size_t size)
+{
+	int fd, len;
+
+	fd = open(path, O_RDONLY);
+	if (fd < 0)
+		return fd;
+
+	len = read(fd, buf, size);
+	close(fd);
+	if (len < 0)
+		return len;
+
+	buf[len] = 0;
+	return 0;
+}
+
+/* mounts bpffs and mkdir for reading stats, returns 0 on success. */
+static int setup_bpffs(void)
+{
+	int err;
+
+	/* Mount bpffs */
+	err = mount("bpf", BPFFS_ROOT, "bpf", 0, NULL);
+	mounted_bpffs = !err;
+	if (ASSERT_FALSE(err && errno != EBUSY, "mount"))
+		return err;
+
+	/* Create a directory to contain stat files in bpffs */
+	err = mkdir(BPFFS_ATTACH_COUNTERS, 0755);
+	if (!ASSERT_OK(err, "mkdir"))
+		return err;
+
+	return 0;
+}
+
+static void cleanup_bpffs(void)
+{
+	/* Remove created directory in bpffs */
+	ASSERT_OK(rmdir(BPFFS_ATTACH_COUNTERS), "rmdir "BPFFS_ATTACH_COUNTERS);
+
+	/* Unmount bpffs, if it wasn't already mounted when we started */
+	if (mounted_bpffs)
+		return;
+
+	ASSERT_OK(umount(BPFFS_ROOT), "unmount bpffs");
+}
+
+/* sets up cgroups, returns 0 on success. */
+static int setup_cgroups(void)
+{
+	int i, fd, err;
+
+	err = setup_cgroup_environment();
+	if (!ASSERT_OK(err, "setup_cgroup_environment"))
+		return err;
+
+	root_cgroup_fd = get_root_cgroup();
+	if (!ASSERT_GE(root_cgroup_fd, 0, "get_root_cgroup"))
+		return root_cgroup_fd;
+
+	for (i = 0; i < N_CGROUPS; i++) {
+		fd = create_and_get_cgroup(cgroups[i].path);
+		if (!ASSERT_GE(fd, 0, "create_and_get_cgroup"))
+			return fd;
+
+		cgroups[i].fd = fd;
+		cgroups[i].id = get_cgroup_id(cgroups[i].path);
+	}
+	return 0;
+}
+
+static void cleanup_cgroups(void)
+{
+	close(root_cgroup_fd);
+	for (int i = 0; i < N_CGROUPS; i++)
+		close(cgroups[i].fd);
+	cleanup_cgroup_environment();
+}
+
+/* Sets up cgroup hiearchary, returns 0 on success. */
+static int setup_hierarchy(void)
+{
+	return setup_bpffs() || setup_cgroups();
+}
+
+static void destroy_hierarchy(void)
+{
+	cleanup_cgroups();
+	cleanup_bpffs();
+}
+
+static int attach_processes(void)
+{
+	int i, j, status;
+
+	/* In every leaf cgroup, attach 3 processes */
+	for (i = N_NON_LEAF_CGROUPS; i < N_CGROUPS; i++) {
+		for (j = 0; j < PROCESSES_PER_CGROUP; j++) {
+			pid_t pid;
+
+			/* Create child and attach to cgroup */
+			pid = fork();
+			if (pid == 0) {
+				if (join_parent_cgroup(cgroups[i].path))
+					exit(EACCES);
+				exit(0);
+			}
+
+			/* Cleanup child */
+			waitpid(pid, &status, 0);
+			if (!ASSERT_TRUE(WIFEXITED(status), "child process exited"))
+				return 1;
+			if (!ASSERT_EQ(WEXITSTATUS(status), 0,
+				       "child process exit code"))
+				return 1;
+		}
+	}
+	return 0;
+}
+
+static unsigned long long
+get_attach_counter(unsigned long long cgroup_id, const char *file_name)
+{
+	unsigned long long attach_counter = 0, id = 0;
+	static char buf[128], path[128];
+
+	/* For every cgroup, read the file generated by cgroup_iter */
+	snprintf(path, 128, "%s%s", BPFFS_ATTACH_COUNTERS, file_name);
+	if (!ASSERT_OK(read_from_file(path, buf, 128), "read cgroup_iter"))
+		return 0;
+
+	/* Check the output file formatting */
+	ASSERT_EQ(sscanf(buf, "cg_id: %llu, attach_counter: %llu\n",
+			 &id, &attach_counter), 2, "output format");
+
+	/* Check that the cgroup_id is displayed correctly */
+	ASSERT_EQ(id, cgroup_id, "cgroup_id");
+	/* Check that the counter is non-zero */
+	ASSERT_GT(attach_counter, 0, "attach counter non-zero");
+	return attach_counter;
+}
+
+static void check_attach_counters(void)
+{
+	unsigned long long attach_counters[N_CGROUPS], root_attach_counter;
+	int i;
+
+	for (i = 0; i < N_CGROUPS; i++)
+		attach_counters[i] = get_attach_counter(cgroups[i].id,
+							cgroups[i].name);
+
+	/* Read stats for root too */
+	root_attach_counter = get_attach_counter(CG_ROOT_ID, CG_ROOT_NAME);
+
+	/* Check that all leafs cgroups have an attach counter of 3 */
+	for (i = N_NON_LEAF_CGROUPS; i < N_CGROUPS; i++)
+		ASSERT_EQ(attach_counters[i], PROCESSES_PER_CGROUP,
+			  "leaf cgroup attach counter");
+
+	/* Check that child1 == child1_1 + child1_2 */
+	ASSERT_EQ(attach_counters[1], attach_counters[3] + attach_counters[4],
+		  "child1_counter");
+	/* Check that child2 == child2_1 + child2_2 */
+	ASSERT_EQ(attach_counters[2], attach_counters[5] + attach_counters[6],
+		  "child2_counter");
+	/* Check that test == child1 + child2 */
+	ASSERT_EQ(attach_counters[0], attach_counters[1] + attach_counters[2],
+		  "test_counter");
+	/* Check that root >= test */
+	ASSERT_GE(root_attach_counter, attach_counters[1], "root_counter");
+}
+
+/* Creates iter link and pins in bpffs, returns 0 on success, -errno on failure.
+ */
+static int setup_cgroup_iter(struct cgroup_hierarchical_stats *obj,
+			     int cgroup_fd, const char *file_name)
+{
+	DECLARE_LIBBPF_OPTS(bpf_iter_attach_opts, opts);
+	union bpf_iter_link_info linfo = {};
+	struct bpf_link *link;
+	static char path[128];
+	int err;
+
+	/*
+	 * Create an iter link, parameterized by cgroup_fd. We only want to
+	 * traverse one cgroup, so set the traversal order to "self".
+	 */
+	linfo.cgroup.cgroup_fd = cgroup_fd;
+	linfo.cgroup.order = BPF_CGROUP_ITER_SELF_ONLY;
+	opts.link_info = &linfo;
+	opts.link_info_len = sizeof(linfo);
+	link = bpf_program__attach_iter(obj->progs.dumper, &opts);
+	if (!ASSERT_OK_PTR(link, "attach_iter"))
+		return -EFAULT;
+
+	/* Pin the link to a bpffs file */
+	snprintf(path, 128, "%s%s", BPFFS_ATTACH_COUNTERS, file_name);
+	err = bpf_link__pin(link, path);
+	ASSERT_OK(err, "pin cgroup_iter");
+
+	/* Remove the link, leaving only the ref held by the pinned file */
+	bpf_link__destroy(link);
+	return err;
+}
+
+/* Sets up programs for collecting stats, returns 0 on success. */
+static int setup_progs(struct cgroup_hierarchical_stats **skel)
+{
+	int i, err;
+
+	*skel = cgroup_hierarchical_stats__open_and_load();
+	if (!ASSERT_OK_PTR(*skel, "open_and_load"))
+		return 1;
+
+	/* Attach cgroup_iter program that will dump the stats to cgroups */
+	for (i = 0; i < N_CGROUPS; i++) {
+		err = setup_cgroup_iter(*skel, cgroups[i].fd, cgroups[i].name);
+		if (!ASSERT_OK(err, "setup_cgroup_iter"))
+			return err;
+	}
+
+	/* Also dump stats for root */
+	err = setup_cgroup_iter(*skel, root_cgroup_fd, CG_ROOT_NAME);
+	if (!ASSERT_OK(err, "setup_cgroup_iter"))
+		return err;
+
+	bpf_program__set_autoattach((*skel)->progs.dumper, false);
+	err = cgroup_hierarchical_stats__attach(*skel);
+	if (!ASSERT_OK(err, "attach"))
+		return err;
+
+	return 0;
+}
+
+static void destroy_progs(struct cgroup_hierarchical_stats *skel)
+{
+	static char path[128];
+	int i;
+
+	for (i = 0; i < N_CGROUPS; i++) {
+		/* Delete files in bpffs that cgroup_iters are pinned in */
+		snprintf(path, 128, "%s%s", BPFFS_ATTACH_COUNTERS,
+			 cgroups[i].name);
+		ASSERT_OK(remove(path), "remove cgroup_iter pin");
+	}
+
+	/* Delete root file in bpffs */
+	snprintf(path, 128, "%s%s", BPFFS_ATTACH_COUNTERS, CG_ROOT_NAME);
+	ASSERT_OK(remove(path), "remove cgroup_iter root pin");
+	cgroup_hierarchical_stats__destroy(skel);
+}
+
+void test_cgroup_hierarchical_stats(void)
+{
+	struct cgroup_hierarchical_stats *skel = NULL;
+
+	if (setup_hierarchy())
+		goto hierarchy_cleanup;
+	if (setup_progs(&skel))
+		goto cleanup;
+	if (attach_processes())
+		goto cleanup;
+	check_attach_counters();
+cleanup:
+	destroy_progs(skel);
+hierarchy_cleanup:
+	destroy_hierarchy();
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/cgroup_iter.c b/tools/testing/selftests/bpf/prog_tests/cgroup_iter.c
new file mode 100644
index 000000000..c4a2adb38
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/cgroup_iter.c
@@ -0,0 +1,224 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2022 Google */
+
+#include <test_progs.h>
+#include <bpf/libbpf.h>
+#include <bpf/btf.h>
+#include "cgroup_iter.skel.h"
+#include "cgroup_helpers.h"
+
+#define ROOT           0
+#define PARENT         1
+#define CHILD1         2
+#define CHILD2         3
+#define NUM_CGROUPS    4
+
+#define PROLOGUE       "prologue\n"
+#define EPILOGUE       "epilogue\n"
+
+static const char *cg_path[] = {
+	"/", "/parent", "/parent/child1", "/parent/child2"
+};
+
+static int cg_fd[] = {-1, -1, -1, -1};
+static unsigned long long cg_id[] = {0, 0, 0, 0};
+static char expected_output[64];
+
+static int setup_cgroups(void)
+{
+	int fd, i = 0;
+
+	for (i = 0; i < NUM_CGROUPS; i++) {
+		fd = create_and_get_cgroup(cg_path[i]);
+		if (fd < 0)
+			return fd;
+
+		cg_fd[i] = fd;
+		cg_id[i] = get_cgroup_id(cg_path[i]);
+	}
+	return 0;
+}
+
+static void cleanup_cgroups(void)
+{
+	int i;
+
+	for (i = 0; i < NUM_CGROUPS; i++)
+		close(cg_fd[i]);
+}
+
+static void read_from_cgroup_iter(struct bpf_program *prog, int cgroup_fd,
+				  int order, const char *testname)
+{
+	DECLARE_LIBBPF_OPTS(bpf_iter_attach_opts, opts);
+	union bpf_iter_link_info linfo;
+	struct bpf_link *link;
+	int len, iter_fd;
+	static char buf[128];
+	size_t left;
+	char *p;
+
+	memset(&linfo, 0, sizeof(linfo));
+	linfo.cgroup.cgroup_fd = cgroup_fd;
+	linfo.cgroup.order = order;
+	opts.link_info = &linfo;
+	opts.link_info_len = sizeof(linfo);
+
+	link = bpf_program__attach_iter(prog, &opts);
+	if (!ASSERT_OK_PTR(link, "attach_iter"))
+		return;
+
+	iter_fd = bpf_iter_create(bpf_link__fd(link));
+	if (iter_fd < 0)
+		goto free_link;
+
+	memset(buf, 0, sizeof(buf));
+	left = ARRAY_SIZE(buf);
+	p = buf;
+	while ((len = read(iter_fd, p, left)) > 0) {
+		p += len;
+		left -= len;
+	}
+
+	ASSERT_STREQ(buf, expected_output, testname);
+
+	/* read() after iter finishes should be ok. */
+	if (len == 0)
+		ASSERT_OK(read(iter_fd, buf, sizeof(buf)), "second_read");
+
+	close(iter_fd);
+free_link:
+	bpf_link__destroy(link);
+}
+
+/* Invalid cgroup. */
+static void test_invalid_cgroup(struct cgroup_iter *skel)
+{
+	DECLARE_LIBBPF_OPTS(bpf_iter_attach_opts, opts);
+	union bpf_iter_link_info linfo;
+	struct bpf_link *link;
+
+	memset(&linfo, 0, sizeof(linfo));
+	linfo.cgroup.cgroup_fd = (__u32)-1;
+	opts.link_info = &linfo;
+	opts.link_info_len = sizeof(linfo);
+
+	link = bpf_program__attach_iter(skel->progs.cgroup_id_printer, &opts);
+	ASSERT_ERR_PTR(link, "attach_iter");
+	bpf_link__destroy(link);
+}
+
+/* Specifying both cgroup_fd and cgroup_id is invalid. */
+static void test_invalid_cgroup_spec(struct cgroup_iter *skel)
+{
+	DECLARE_LIBBPF_OPTS(bpf_iter_attach_opts, opts);
+	union bpf_iter_link_info linfo;
+	struct bpf_link *link;
+
+	memset(&linfo, 0, sizeof(linfo));
+	linfo.cgroup.cgroup_fd = (__u32)cg_fd[PARENT];
+	linfo.cgroup.cgroup_id = (__u64)cg_id[PARENT];
+	opts.link_info = &linfo;
+	opts.link_info_len = sizeof(linfo);
+
+	link = bpf_program__attach_iter(skel->progs.cgroup_id_printer, &opts);
+	ASSERT_ERR_PTR(link, "attach_iter");
+	bpf_link__destroy(link);
+}
+
+/* Preorder walk prints parent and child in order. */
+static void test_walk_preorder(struct cgroup_iter *skel)
+{
+	snprintf(expected_output, sizeof(expected_output),
+		 PROLOGUE "%8llu\n%8llu\n%8llu\n" EPILOGUE,
+		 cg_id[PARENT], cg_id[CHILD1], cg_id[CHILD2]);
+
+	read_from_cgroup_iter(skel->progs.cgroup_id_printer, cg_fd[PARENT],
+			      BPF_CGROUP_ITER_DESCENDANTS_PRE, "preorder");
+}
+
+/* Postorder walk prints child and parent in order. */
+static void test_walk_postorder(struct cgroup_iter *skel)
+{
+	snprintf(expected_output, sizeof(expected_output),
+		 PROLOGUE "%8llu\n%8llu\n%8llu\n" EPILOGUE,
+		 cg_id[CHILD1], cg_id[CHILD2], cg_id[PARENT]);
+
+	read_from_cgroup_iter(skel->progs.cgroup_id_printer, cg_fd[PARENT],
+			      BPF_CGROUP_ITER_DESCENDANTS_POST, "postorder");
+}
+
+/* Walking parents prints parent and then root. */
+static void test_walk_ancestors_up(struct cgroup_iter *skel)
+{
+	/* terminate the walk when ROOT is met. */
+	skel->bss->terminal_cgroup = cg_id[ROOT];
+
+	snprintf(expected_output, sizeof(expected_output),
+		 PROLOGUE "%8llu\n%8llu\n" EPILOGUE,
+		 cg_id[PARENT], cg_id[ROOT]);
+
+	read_from_cgroup_iter(skel->progs.cgroup_id_printer, cg_fd[PARENT],
+			      BPF_CGROUP_ITER_ANCESTORS_UP, "ancestors_up");
+
+	skel->bss->terminal_cgroup = 0;
+}
+
+/* Early termination prints parent only. */
+static void test_early_termination(struct cgroup_iter *skel)
+{
+	/* terminate the walk after the first element is processed. */
+	skel->bss->terminate_early = 1;
+
+	snprintf(expected_output, sizeof(expected_output),
+		 PROLOGUE "%8llu\n" EPILOGUE, cg_id[PARENT]);
+
+	read_from_cgroup_iter(skel->progs.cgroup_id_printer, cg_fd[PARENT],
+			      BPF_CGROUP_ITER_DESCENDANTS_PRE, "early_termination");
+
+	skel->bss->terminate_early = 0;
+}
+
+/* Waling self prints self only. */
+static void test_walk_self_only(struct cgroup_iter *skel)
+{
+	snprintf(expected_output, sizeof(expected_output),
+		 PROLOGUE "%8llu\n" EPILOGUE, cg_id[PARENT]);
+
+	read_from_cgroup_iter(skel->progs.cgroup_id_printer, cg_fd[PARENT],
+			      BPF_CGROUP_ITER_SELF_ONLY, "self_only");
+}
+
+void test_cgroup_iter(void)
+{
+	struct cgroup_iter *skel = NULL;
+
+	if (setup_cgroup_environment())
+		return;
+
+	if (setup_cgroups())
+		goto out;
+
+	skel = cgroup_iter__open_and_load();
+	if (!ASSERT_OK_PTR(skel, "cgroup_iter__open_and_load"))
+		goto out;
+
+	if (test__start_subtest("cgroup_iter__invalid_cgroup"))
+		test_invalid_cgroup(skel);
+	if (test__start_subtest("cgroup_iter__invalid_cgroup_spec"))
+		test_invalid_cgroup_spec(skel);
+	if (test__start_subtest("cgroup_iter__preorder"))
+		test_walk_preorder(skel);
+	if (test__start_subtest("cgroup_iter__postorder"))
+		test_walk_postorder(skel);
+	if (test__start_subtest("cgroup_iter__ancestors_up_walk"))
+		test_walk_ancestors_up(skel);
+	if (test__start_subtest("cgroup_iter__early_termination"))
+		test_early_termination(skel);
+	if (test__start_subtest("cgroup_iter__self_only"))
+		test_walk_self_only(skel);
+out:
+	cgroup_iter__destroy(skel);
+	cleanup_cgroups();
+	cleanup_cgroup_environment();
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/cgroup_link.c b/tools/testing/selftests/bpf/prog_tests/cgroup_link.c
new file mode 100644
index 000000000..15093a695
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/cgroup_link.c
@@ -0,0 +1,255 @@
+// SPDX-License-Identifier: GPL-2.0
+
+#include <test_progs.h>
+#include "cgroup_helpers.h"
+#include "testing_helpers.h"
+#include "test_cgroup_link.skel.h"
+
+static __u32 duration = 0;
+#define PING_CMD	"ping -q -c1 -w1 127.0.0.1 > /dev/null"
+
+static struct test_cgroup_link *skel = NULL;
+
+int ping_and_check(int exp_calls, int exp_alt_calls)
+{
+	skel->bss->calls = 0;
+	skel->bss->alt_calls = 0;
+	CHECK_FAIL(system(PING_CMD));
+	if (CHECK(skel->bss->calls != exp_calls, "call_cnt",
+		  "exp %d, got %d\n", exp_calls, skel->bss->calls))
+		return -EINVAL;
+	if (CHECK(skel->bss->alt_calls != exp_alt_calls, "alt_call_cnt",
+		  "exp %d, got %d\n", exp_alt_calls, skel->bss->alt_calls))
+		return -EINVAL;
+	return 0;
+}
+
+void serial_test_cgroup_link(void)
+{
+	struct {
+		const char *path;
+		int fd;
+	} cgs[] = {
+		{ "/cg1" },
+		{ "/cg1/cg2" },
+		{ "/cg1/cg2/cg3" },
+		{ "/cg1/cg2/cg3/cg4" },
+	};
+	int last_cg = ARRAY_SIZE(cgs) - 1, cg_nr = ARRAY_SIZE(cgs);
+	DECLARE_LIBBPF_OPTS(bpf_link_update_opts, link_upd_opts);
+	struct bpf_link *links[ARRAY_SIZE(cgs)] = {}, *tmp_link;
+	__u32 prog_ids[ARRAY_SIZE(cgs)], prog_cnt = 0, attach_flags, prog_id;
+	struct bpf_link_info info;
+	int i = 0, err, prog_fd;
+	bool detach_legacy = false;
+
+	skel = test_cgroup_link__open_and_load();
+	if (CHECK(!skel, "skel_open_load", "failed to open/load skeleton\n"))
+		return;
+	prog_fd = bpf_program__fd(skel->progs.egress);
+
+	err = setup_cgroup_environment();
+	if (CHECK(err, "cg_init", "failed: %d\n", err))
+		goto cleanup;
+
+	for (i = 0; i < cg_nr; i++) {
+		cgs[i].fd = create_and_get_cgroup(cgs[i].path);
+		if (!ASSERT_GE(cgs[i].fd, 0, "cg_create"))
+			goto cleanup;
+	}
+
+	err = join_cgroup(cgs[last_cg].path);
+	if (CHECK(err, "cg_join", "fail: %d\n", err))
+		goto cleanup;
+
+	for (i = 0; i < cg_nr; i++) {
+		links[i] = bpf_program__attach_cgroup(skel->progs.egress,
+						      cgs[i].fd);
+		if (!ASSERT_OK_PTR(links[i], "cg_attach"))
+			goto cleanup;
+	}
+
+	ping_and_check(cg_nr, 0);
+
+	/* query the number of attached progs and attach flags in root cg */
+	err = bpf_prog_query(cgs[0].fd, BPF_CGROUP_INET_EGRESS,
+			     0, &attach_flags, NULL, &prog_cnt);
+	CHECK_FAIL(err);
+	CHECK_FAIL(attach_flags != BPF_F_ALLOW_MULTI);
+	if (CHECK(prog_cnt != 1, "effect_cnt", "exp %d, got %d\n", 1, prog_cnt))
+		goto cleanup;
+
+	/* query the number of effective progs in last cg */
+	err = bpf_prog_query(cgs[last_cg].fd, BPF_CGROUP_INET_EGRESS,
+			     BPF_F_QUERY_EFFECTIVE, NULL, NULL,
+			     &prog_cnt);
+	CHECK_FAIL(err);
+	if (CHECK(prog_cnt != cg_nr, "effect_cnt", "exp %d, got %d\n",
+		  cg_nr, prog_cnt))
+		goto cleanup;
+
+	/* query the effective prog IDs in last cg */
+	err = bpf_prog_query(cgs[last_cg].fd, BPF_CGROUP_INET_EGRESS,
+			     BPF_F_QUERY_EFFECTIVE, NULL, prog_ids,
+			     &prog_cnt);
+	CHECK_FAIL(err);
+	if (CHECK(prog_cnt != cg_nr, "effect_cnt", "exp %d, got %d\n",
+		  cg_nr, prog_cnt))
+		goto cleanup;
+	for (i = 1; i < prog_cnt; i++) {
+		CHECK(prog_ids[i - 1] != prog_ids[i], "prog_id_check",
+		      "idx %d, prev id %d, cur id %d\n",
+		      i, prog_ids[i - 1], prog_ids[i]);
+	}
+
+	/* detach bottom program and ping again */
+	bpf_link__destroy(links[last_cg]);
+	links[last_cg] = NULL;
+
+	ping_and_check(cg_nr - 1, 0);
+
+	/* mix in with non link-based multi-attachments */
+	err = bpf_prog_attach(prog_fd, cgs[last_cg].fd,
+			      BPF_CGROUP_INET_EGRESS, BPF_F_ALLOW_MULTI);
+	if (CHECK(err, "cg_attach_legacy", "errno=%d\n", errno))
+		goto cleanup;
+	detach_legacy = true;
+
+	links[last_cg] = bpf_program__attach_cgroup(skel->progs.egress,
+						    cgs[last_cg].fd);
+	if (!ASSERT_OK_PTR(links[last_cg], "cg_attach"))
+		goto cleanup;
+
+	ping_and_check(cg_nr + 1, 0);
+
+	/* detach link */
+	bpf_link__destroy(links[last_cg]);
+	links[last_cg] = NULL;
+
+	/* detach legacy */
+	err = bpf_prog_detach2(prog_fd, cgs[last_cg].fd, BPF_CGROUP_INET_EGRESS);
+	if (CHECK(err, "cg_detach_legacy", "errno=%d\n", errno))
+		goto cleanup;
+	detach_legacy = false;
+
+	/* attach legacy exclusive prog attachment */
+	err = bpf_prog_attach(prog_fd, cgs[last_cg].fd,
+			      BPF_CGROUP_INET_EGRESS, 0);
+	if (CHECK(err, "cg_attach_exclusive", "errno=%d\n", errno))
+		goto cleanup;
+	detach_legacy = true;
+
+	/* attempt to mix in with multi-attach bpf_link */
+	tmp_link = bpf_program__attach_cgroup(skel->progs.egress,
+					      cgs[last_cg].fd);
+	if (!ASSERT_ERR_PTR(tmp_link, "cg_attach_fail")) {
+		bpf_link__destroy(tmp_link);
+		goto cleanup;
+	}
+
+	ping_and_check(cg_nr, 0);
+
+	/* detach */
+	err = bpf_prog_detach2(prog_fd, cgs[last_cg].fd, BPF_CGROUP_INET_EGRESS);
+	if (CHECK(err, "cg_detach_legacy", "errno=%d\n", errno))
+		goto cleanup;
+	detach_legacy = false;
+
+	ping_and_check(cg_nr - 1, 0);
+
+	/* attach back link-based one */
+	links[last_cg] = bpf_program__attach_cgroup(skel->progs.egress,
+						    cgs[last_cg].fd);
+	if (!ASSERT_OK_PTR(links[last_cg], "cg_attach"))
+		goto cleanup;
+
+	ping_and_check(cg_nr, 0);
+
+	/* check legacy exclusive prog can't be attached */
+	err = bpf_prog_attach(prog_fd, cgs[last_cg].fd,
+			      BPF_CGROUP_INET_EGRESS, 0);
+	if (CHECK(!err, "cg_attach_exclusive", "unexpected success")) {
+		bpf_prog_detach2(prog_fd, cgs[last_cg].fd, BPF_CGROUP_INET_EGRESS);
+		goto cleanup;
+	}
+
+	/* replace BPF programs inside their links for all but first link */
+	for (i = 1; i < cg_nr; i++) {
+		err = bpf_link__update_program(links[i], skel->progs.egress_alt);
+		if (CHECK(err, "prog_upd", "link #%d\n", i))
+			goto cleanup;
+	}
+
+	ping_and_check(1, cg_nr - 1);
+
+	/* Attempt program update with wrong expected BPF program */
+	link_upd_opts.old_prog_fd = bpf_program__fd(skel->progs.egress_alt);
+	link_upd_opts.flags = BPF_F_REPLACE;
+	err = bpf_link_update(bpf_link__fd(links[0]),
+			      bpf_program__fd(skel->progs.egress_alt),
+			      &link_upd_opts);
+	if (CHECK(err == 0 || errno != EPERM, "prog_cmpxchg1",
+		  "unexpectedly succeeded, err %d, errno %d\n", err, -errno))
+		goto cleanup;
+
+	/* Compare-exchange single link program from egress to egress_alt */
+	link_upd_opts.old_prog_fd = bpf_program__fd(skel->progs.egress);
+	link_upd_opts.flags = BPF_F_REPLACE;
+	err = bpf_link_update(bpf_link__fd(links[0]),
+			      bpf_program__fd(skel->progs.egress_alt),
+			      &link_upd_opts);
+	if (CHECK(err, "prog_cmpxchg2", "errno %d\n", -errno))
+		goto cleanup;
+
+	/* ping */
+	ping_and_check(0, cg_nr);
+
+	/* close cgroup FDs before detaching links */
+	for (i = 0; i < cg_nr; i++) {
+		if (cgs[i].fd > 0) {
+			close(cgs[i].fd);
+			cgs[i].fd = -1;
+		}
+	}
+
+	/* BPF programs should still get called */
+	ping_and_check(0, cg_nr);
+
+	prog_id = link_info_prog_id(links[0], &info);
+	CHECK(prog_id == 0, "link_info", "failed\n");
+	CHECK(info.cgroup.cgroup_id == 0, "cgroup_id", "unexpected %llu\n", info.cgroup.cgroup_id);
+
+	err = bpf_link__detach(links[0]);
+	if (CHECK(err, "link_detach", "failed %d\n", err))
+		goto cleanup;
+
+	/* cgroup_id should be zero in link_info */
+	prog_id = link_info_prog_id(links[0], &info);
+	CHECK(prog_id == 0, "link_info", "failed\n");
+	CHECK(info.cgroup.cgroup_id != 0, "cgroup_id", "unexpected %llu\n", info.cgroup.cgroup_id);
+
+	/* First BPF program shouldn't be called anymore */
+	ping_and_check(0, cg_nr - 1);
+
+	/* leave cgroup and remove them, don't detach programs */
+	cleanup_cgroup_environment();
+
+	/* BPF programs should have been auto-detached */
+	ping_and_check(0, 0);
+
+cleanup:
+	if (detach_legacy)
+		bpf_prog_detach2(prog_fd, cgs[last_cg].fd,
+				 BPF_CGROUP_INET_EGRESS);
+
+	for (i = 0; i < cg_nr; i++) {
+		bpf_link__destroy(links[i]);
+	}
+	test_cgroup_link__destroy(skel);
+
+	for (i = 0; i < cg_nr; i++) {
+		if (cgs[i].fd > 0)
+			close(cgs[i].fd);
+	}
+	cleanup_cgroup_environment();
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/cgroup_skb_sk_lookup.c b/tools/testing/selftests/bpf/prog_tests/cgroup_skb_sk_lookup.c
new file mode 100644
index 000000000..b9dc4ec65
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/cgroup_skb_sk_lookup.c
@@ -0,0 +1,91 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (c) 2020 Facebook
+
+#include <test_progs.h>
+
+#include "network_helpers.h"
+#include "cgroup_skb_sk_lookup_kern.skel.h"
+
+static void run_lookup_test(__u16 *g_serv_port, int out_sk)
+{
+	int serv_sk = -1, in_sk = -1, serv_in_sk = -1, err;
+	struct sockaddr_in6 addr = {};
+	socklen_t addr_len = sizeof(addr);
+	__u32 duration = 0;
+
+	serv_sk = start_server(AF_INET6, SOCK_STREAM, NULL, 0, 0);
+	if (CHECK(serv_sk < 0, "start_server", "failed to start server\n"))
+		return;
+
+	err = getsockname(serv_sk, (struct sockaddr *)&addr, &addr_len);
+	if (CHECK(err, "getsockname", "errno %d\n", errno))
+		goto cleanup;
+
+	*g_serv_port = addr.sin6_port;
+
+	/* Client outside of test cgroup should fail to connect by timeout. */
+	err = connect_fd_to_fd(out_sk, serv_sk, 1000);
+	if (CHECK(!err || errno != EINPROGRESS, "connect_fd_to_fd",
+		  "unexpected result err %d errno %d\n", err, errno))
+		goto cleanup;
+
+	/* Client inside test cgroup should connect just fine. */
+	in_sk = connect_to_fd(serv_sk, 0);
+	if (CHECK(in_sk < 0, "connect_to_fd", "errno %d\n", errno))
+		goto cleanup;
+
+	serv_in_sk = accept(serv_sk, NULL, NULL);
+	if (CHECK(serv_in_sk < 0, "accept", "errno %d\n", errno))
+		goto cleanup;
+
+cleanup:
+	close(serv_in_sk);
+	close(in_sk);
+	close(serv_sk);
+}
+
+static void run_cgroup_bpf_test(const char *cg_path, int out_sk)
+{
+	struct cgroup_skb_sk_lookup_kern *skel;
+	struct bpf_link *link;
+	__u32 duration = 0;
+	int cgfd = -1;
+
+	skel = cgroup_skb_sk_lookup_kern__open_and_load();
+	if (CHECK(!skel, "skel_open_load", "open_load failed\n"))
+		return;
+
+	cgfd = test__join_cgroup(cg_path);
+	if (CHECK(cgfd < 0, "cgroup_join", "cgroup setup failed\n"))
+		goto cleanup;
+
+	link = bpf_program__attach_cgroup(skel->progs.ingress_lookup, cgfd);
+	if (!ASSERT_OK_PTR(link, "cgroup_attach"))
+		goto cleanup;
+
+	run_lookup_test(&skel->bss->g_serv_port, out_sk);
+
+	bpf_link__destroy(link);
+
+cleanup:
+	close(cgfd);
+	cgroup_skb_sk_lookup_kern__destroy(skel);
+}
+
+void test_cgroup_skb_sk_lookup(void)
+{
+	const char *cg_path = "/foo";
+	int out_sk;
+
+	/* Create a socket before joining testing cgroup so that its cgroup id
+	 * differs from that of testing cgroup. Moving selftests process to
+	 * testing cgroup won't change cgroup id of an already created socket.
+	 */
+	out_sk = socket(AF_INET6, SOCK_STREAM, 0);
+	if (CHECK_FAIL(out_sk < 0))
+		return;
+
+	run_cgroup_bpf_test(cg_path, out_sk);
+
+	close(out_sk);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/cgroup_v1v2.c b/tools/testing/selftests/bpf/prog_tests/cgroup_v1v2.c
new file mode 100644
index 000000000..9026b4291
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/cgroup_v1v2.c
@@ -0,0 +1,79 @@
+// SPDX-License-Identifier: GPL-2.0
+
+#include <test_progs.h>
+
+#include "connect4_dropper.skel.h"
+
+#include "cgroup_helpers.h"
+#include "network_helpers.h"
+
+static int run_test(int cgroup_fd, int server_fd, bool classid)
+{
+	struct network_helper_opts opts = {
+		.must_fail = true,
+	};
+	struct connect4_dropper *skel;
+	int fd, err = 0;
+
+	skel = connect4_dropper__open_and_load();
+	if (!ASSERT_OK_PTR(skel, "skel_open"))
+		return -1;
+
+	skel->links.connect_v4_dropper =
+		bpf_program__attach_cgroup(skel->progs.connect_v4_dropper,
+					   cgroup_fd);
+	if (!ASSERT_OK_PTR(skel->links.connect_v4_dropper, "prog_attach")) {
+		err = -1;
+		goto out;
+	}
+
+	if (classid && !ASSERT_OK(join_classid(), "join_classid")) {
+		err = -1;
+		goto out;
+	}
+
+	fd = connect_to_fd_opts(server_fd, &opts);
+	if (fd < 0)
+		err = -1;
+	else
+		close(fd);
+out:
+	connect4_dropper__destroy(skel);
+	return err;
+}
+
+void test_cgroup_v1v2(void)
+{
+	struct network_helper_opts opts = {};
+	int server_fd, client_fd, cgroup_fd;
+	static const int port = 60120;
+
+	/* Step 1: Check base connectivity works without any BPF. */
+	server_fd = start_server(AF_INET, SOCK_STREAM, NULL, port, 0);
+	if (!ASSERT_GE(server_fd, 0, "server_fd"))
+		return;
+	client_fd = connect_to_fd_opts(server_fd, &opts);
+	if (!ASSERT_GE(client_fd, 0, "client_fd")) {
+		close(server_fd);
+		return;
+	}
+	close(client_fd);
+	close(server_fd);
+
+	/* Step 2: Check BPF policy prog attached to cgroups drops connectivity. */
+	cgroup_fd = test__join_cgroup("/connect_dropper");
+	if (!ASSERT_GE(cgroup_fd, 0, "cgroup_fd"))
+		return;
+	server_fd = start_server(AF_INET, SOCK_STREAM, NULL, port, 0);
+	if (!ASSERT_GE(server_fd, 0, "server_fd")) {
+		close(cgroup_fd);
+		return;
+	}
+	ASSERT_OK(run_test(cgroup_fd, server_fd, false), "cgroup-v2-only");
+	setup_classid_environment();
+	set_classid(42);
+	ASSERT_OK(run_test(cgroup_fd, server_fd, true), "cgroup-v1v2");
+	cleanup_classid_environment();
+	close(server_fd);
+	close(cgroup_fd);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/check_mtu.c b/tools/testing/selftests/bpf/prog_tests/check_mtu.c
new file mode 100644
index 000000000..a756760a4
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/check_mtu.c
@@ -0,0 +1,206 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2020 Jesper Dangaard Brouer */
+
+#include <linux/if_link.h> /* before test_progs.h, avoid bpf_util.h redefines */
+#include <test_progs.h>
+#include "test_check_mtu.skel.h"
+#include "network_helpers.h"
+
+#include <stdlib.h>
+#include <inttypes.h>
+
+#define IFINDEX_LO 1
+
+static __u32 duration; /* Hint: needed for CHECK macro */
+
+static int read_mtu_device_lo(void)
+{
+	const char *filename = "/sys/class/net/lo/mtu";
+	char buf[11] = {};
+	int value, n, fd;
+
+	fd = open(filename, 0, O_RDONLY);
+	if (fd == -1)
+		return -1;
+
+	n = read(fd, buf, sizeof(buf));
+	close(fd);
+
+	if (n == -1)
+		return -2;
+
+	value = strtoimax(buf, NULL, 10);
+	if (errno == ERANGE)
+		return -3;
+
+	return value;
+}
+
+static void test_check_mtu_xdp_attach(void)
+{
+	struct bpf_link_info link_info;
+	__u32 link_info_len = sizeof(link_info);
+	struct test_check_mtu *skel;
+	struct bpf_program *prog;
+	struct bpf_link *link;
+	int err = 0;
+	int fd;
+
+	skel = test_check_mtu__open_and_load();
+	if (CHECK(!skel, "open and load skel", "failed"))
+		return; /* Exit if e.g. helper unknown to kernel */
+
+	prog = skel->progs.xdp_use_helper_basic;
+
+	link = bpf_program__attach_xdp(prog, IFINDEX_LO);
+	if (!ASSERT_OK_PTR(link, "link_attach"))
+		goto out;
+	skel->links.xdp_use_helper_basic = link;
+
+	memset(&link_info, 0, sizeof(link_info));
+	fd = bpf_link__fd(link);
+	err = bpf_obj_get_info_by_fd(fd, &link_info, &link_info_len);
+	if (CHECK(err, "link_info", "failed: %d\n", err))
+		goto out;
+
+	CHECK(link_info.type != BPF_LINK_TYPE_XDP, "link_type",
+	      "got %u != exp %u\n", link_info.type, BPF_LINK_TYPE_XDP);
+	CHECK(link_info.xdp.ifindex != IFINDEX_LO, "link_ifindex",
+	      "got %u != exp %u\n", link_info.xdp.ifindex, IFINDEX_LO);
+
+	err = bpf_link__detach(link);
+	CHECK(err, "link_detach", "failed %d\n", err);
+
+out:
+	test_check_mtu__destroy(skel);
+}
+
+static void test_check_mtu_run_xdp(struct test_check_mtu *skel,
+				   struct bpf_program *prog,
+				   __u32 mtu_expect)
+{
+	int retval_expect = XDP_PASS;
+	__u32 mtu_result = 0;
+	char buf[256] = {};
+	int err, prog_fd = bpf_program__fd(prog);
+	LIBBPF_OPTS(bpf_test_run_opts, topts,
+		.repeat = 1,
+		.data_in = &pkt_v4,
+		.data_size_in = sizeof(pkt_v4),
+		.data_out = buf,
+		.data_size_out = sizeof(buf),
+	);
+
+	err = bpf_prog_test_run_opts(prog_fd, &topts);
+	ASSERT_OK(err, "test_run");
+	ASSERT_EQ(topts.retval, retval_expect, "retval");
+
+	/* Extract MTU that BPF-prog got */
+	mtu_result = skel->bss->global_bpf_mtu_xdp;
+	ASSERT_EQ(mtu_result, mtu_expect, "MTU-compare-user");
+}
+
+
+static void test_check_mtu_xdp(__u32 mtu, __u32 ifindex)
+{
+	struct test_check_mtu *skel;
+	int err;
+
+	skel = test_check_mtu__open();
+	if (CHECK(!skel, "skel_open", "failed"))
+		return;
+
+	/* Update "constants" in BPF-prog *BEFORE* libbpf load */
+	skel->rodata->GLOBAL_USER_MTU = mtu;
+	skel->rodata->GLOBAL_USER_IFINDEX = ifindex;
+
+	err = test_check_mtu__load(skel);
+	if (CHECK(err, "skel_load", "failed: %d\n", err))
+		goto cleanup;
+
+	test_check_mtu_run_xdp(skel, skel->progs.xdp_use_helper, mtu);
+	test_check_mtu_run_xdp(skel, skel->progs.xdp_exceed_mtu, mtu);
+	test_check_mtu_run_xdp(skel, skel->progs.xdp_minus_delta, mtu);
+	test_check_mtu_run_xdp(skel, skel->progs.xdp_input_len, mtu);
+	test_check_mtu_run_xdp(skel, skel->progs.xdp_input_len_exceed, mtu);
+
+cleanup:
+	test_check_mtu__destroy(skel);
+}
+
+static void test_check_mtu_run_tc(struct test_check_mtu *skel,
+				  struct bpf_program *prog,
+				  __u32 mtu_expect)
+{
+	int retval_expect = BPF_OK;
+	__u32 mtu_result = 0;
+	char buf[256] = {};
+	int err, prog_fd = bpf_program__fd(prog);
+	LIBBPF_OPTS(bpf_test_run_opts, topts,
+		.data_in = &pkt_v4,
+		.data_size_in = sizeof(pkt_v4),
+		.data_out = buf,
+		.data_size_out = sizeof(buf),
+		.repeat = 1,
+	);
+
+	err = bpf_prog_test_run_opts(prog_fd, &topts);
+	ASSERT_OK(err, "test_run");
+	ASSERT_EQ(topts.retval, retval_expect, "retval");
+
+	/* Extract MTU that BPF-prog got */
+	mtu_result = skel->bss->global_bpf_mtu_tc;
+	ASSERT_EQ(mtu_result, mtu_expect, "MTU-compare-user");
+}
+
+
+static void test_check_mtu_tc(__u32 mtu, __u32 ifindex)
+{
+	struct test_check_mtu *skel;
+	int err;
+
+	skel = test_check_mtu__open();
+	if (CHECK(!skel, "skel_open", "failed"))
+		return;
+
+	/* Update "constants" in BPF-prog *BEFORE* libbpf load */
+	skel->rodata->GLOBAL_USER_MTU = mtu;
+	skel->rodata->GLOBAL_USER_IFINDEX = ifindex;
+
+	err = test_check_mtu__load(skel);
+	if (CHECK(err, "skel_load", "failed: %d\n", err))
+		goto cleanup;
+
+	test_check_mtu_run_tc(skel, skel->progs.tc_use_helper, mtu);
+	test_check_mtu_run_tc(skel, skel->progs.tc_exceed_mtu, mtu);
+	test_check_mtu_run_tc(skel, skel->progs.tc_exceed_mtu_da, mtu);
+	test_check_mtu_run_tc(skel, skel->progs.tc_minus_delta, mtu);
+	test_check_mtu_run_tc(skel, skel->progs.tc_input_len, mtu);
+	test_check_mtu_run_tc(skel, skel->progs.tc_input_len_exceed, mtu);
+cleanup:
+	test_check_mtu__destroy(skel);
+}
+
+void serial_test_check_mtu(void)
+{
+	int mtu_lo;
+
+	if (test__start_subtest("bpf_check_mtu XDP-attach"))
+		test_check_mtu_xdp_attach();
+
+	mtu_lo = read_mtu_device_lo();
+	if (CHECK(mtu_lo < 0, "reading MTU value", "failed (err:%d)", mtu_lo))
+		return;
+
+	if (test__start_subtest("bpf_check_mtu XDP-run"))
+		test_check_mtu_xdp(mtu_lo, 0);
+
+	if (test__start_subtest("bpf_check_mtu XDP-run ifindex-lookup"))
+		test_check_mtu_xdp(mtu_lo, IFINDEX_LO);
+
+	if (test__start_subtest("bpf_check_mtu TC-run"))
+		test_check_mtu_tc(mtu_lo, 0);
+
+	if (test__start_subtest("bpf_check_mtu TC-run ifindex-lookup"))
+		test_check_mtu_tc(mtu_lo, IFINDEX_LO);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/cls_redirect.c b/tools/testing/selftests/bpf/prog_tests/cls_redirect.c
new file mode 100644
index 000000000..224f016b0
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/cls_redirect.c
@@ -0,0 +1,499 @@
+// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
+// Copyright (c) 2020 Cloudflare
+
+#define _GNU_SOURCE
+
+#include <arpa/inet.h>
+#include <string.h>
+
+#include <linux/pkt_cls.h>
+#include <netinet/tcp.h>
+
+#include <test_progs.h>
+
+#include "progs/test_cls_redirect.h"
+#include "test_cls_redirect.skel.h"
+#include "test_cls_redirect_subprogs.skel.h"
+
+#define ENCAP_IP INADDR_LOOPBACK
+#define ENCAP_PORT (1234)
+
+static int duration = 0;
+
+struct addr_port {
+	in_port_t port;
+	union {
+		struct in_addr in_addr;
+		struct in6_addr in6_addr;
+	};
+};
+
+struct tuple {
+	int family;
+	struct addr_port src;
+	struct addr_port dst;
+};
+
+static int start_server(const struct sockaddr *addr, socklen_t len, int type)
+{
+	int fd = socket(addr->sa_family, type, 0);
+	if (CHECK_FAIL(fd == -1))
+		return -1;
+	if (CHECK_FAIL(bind(fd, addr, len) == -1))
+		goto err;
+	if (type == SOCK_STREAM && CHECK_FAIL(listen(fd, 128) == -1))
+		goto err;
+
+	return fd;
+
+err:
+	close(fd);
+	return -1;
+}
+
+static int connect_to_server(const struct sockaddr *addr, socklen_t len,
+			     int type)
+{
+	int fd = socket(addr->sa_family, type, 0);
+	if (CHECK_FAIL(fd == -1))
+		return -1;
+	if (CHECK_FAIL(connect(fd, addr, len)))
+		goto err;
+
+	return fd;
+
+err:
+	close(fd);
+	return -1;
+}
+
+static bool fill_addr_port(const struct sockaddr *sa, struct addr_port *ap)
+{
+	const struct sockaddr_in6 *in6;
+	const struct sockaddr_in *in;
+
+	switch (sa->sa_family) {
+	case AF_INET:
+		in = (const struct sockaddr_in *)sa;
+		ap->in_addr = in->sin_addr;
+		ap->port = in->sin_port;
+		return true;
+
+	case AF_INET6:
+		in6 = (const struct sockaddr_in6 *)sa;
+		ap->in6_addr = in6->sin6_addr;
+		ap->port = in6->sin6_port;
+		return true;
+
+	default:
+		return false;
+	}
+}
+
+static bool set_up_conn(const struct sockaddr *addr, socklen_t len, int type,
+			int *server, int *conn, struct tuple *tuple)
+{
+	struct sockaddr_storage ss;
+	socklen_t slen = sizeof(ss);
+	struct sockaddr *sa = (struct sockaddr *)&ss;
+
+	*server = start_server(addr, len, type);
+	if (*server < 0)
+		return false;
+
+	if (CHECK_FAIL(getsockname(*server, sa, &slen)))
+		goto close_server;
+
+	*conn = connect_to_server(sa, slen, type);
+	if (*conn < 0)
+		goto close_server;
+
+	/* We want to simulate packets arriving at conn, so we have to
+	 * swap src and dst.
+	 */
+	slen = sizeof(ss);
+	if (CHECK_FAIL(getsockname(*conn, sa, &slen)))
+		goto close_conn;
+
+	if (CHECK_FAIL(!fill_addr_port(sa, &tuple->dst)))
+		goto close_conn;
+
+	slen = sizeof(ss);
+	if (CHECK_FAIL(getpeername(*conn, sa, &slen)))
+		goto close_conn;
+
+	if (CHECK_FAIL(!fill_addr_port(sa, &tuple->src)))
+		goto close_conn;
+
+	tuple->family = ss.ss_family;
+	return true;
+
+close_conn:
+	close(*conn);
+	*conn = -1;
+close_server:
+	close(*server);
+	*server = -1;
+	return false;
+}
+
+static socklen_t prepare_addr(struct sockaddr_storage *addr, int family)
+{
+	struct sockaddr_in *addr4;
+	struct sockaddr_in6 *addr6;
+
+	switch (family) {
+	case AF_INET:
+		addr4 = (struct sockaddr_in *)addr;
+		memset(addr4, 0, sizeof(*addr4));
+		addr4->sin_family = family;
+		addr4->sin_addr.s_addr = htonl(INADDR_LOOPBACK);
+		return sizeof(*addr4);
+	case AF_INET6:
+		addr6 = (struct sockaddr_in6 *)addr;
+		memset(addr6, 0, sizeof(*addr6));
+		addr6->sin6_family = family;
+		addr6->sin6_addr = in6addr_loopback;
+		return sizeof(*addr6);
+	default:
+		fprintf(stderr, "Invalid family %d", family);
+		return 0;
+	}
+}
+
+static bool was_decapsulated(struct bpf_test_run_opts *tattr)
+{
+	return tattr->data_size_out < tattr->data_size_in;
+}
+
+enum type {
+	UDP,
+	TCP,
+	__NR_KIND,
+};
+
+enum hops {
+	NO_HOPS,
+	ONE_HOP,
+};
+
+enum flags {
+	NONE,
+	SYN,
+	ACK,
+};
+
+enum conn {
+	KNOWN_CONN,
+	UNKNOWN_CONN,
+};
+
+enum result {
+	ACCEPT,
+	FORWARD,
+};
+
+struct test_cfg {
+	enum type type;
+	enum result result;
+	enum conn conn;
+	enum hops hops;
+	enum flags flags;
+};
+
+static int test_str(void *buf, size_t len, const struct test_cfg *test,
+		    int family)
+{
+	const char *family_str, *type, *conn, *hops, *result, *flags;
+
+	family_str = "IPv4";
+	if (family == AF_INET6)
+		family_str = "IPv6";
+
+	type = "TCP";
+	if (test->type == UDP)
+		type = "UDP";
+
+	conn = "known";
+	if (test->conn == UNKNOWN_CONN)
+		conn = "unknown";
+
+	hops = "no hops";
+	if (test->hops == ONE_HOP)
+		hops = "one hop";
+
+	result = "accept";
+	if (test->result == FORWARD)
+		result = "forward";
+
+	flags = "none";
+	if (test->flags == SYN)
+		flags = "SYN";
+	else if (test->flags == ACK)
+		flags = "ACK";
+
+	return snprintf(buf, len, "%s %s %s %s (%s, flags: %s)", family_str,
+			type, result, conn, hops, flags);
+}
+
+static struct test_cfg tests[] = {
+	{ TCP, ACCEPT, UNKNOWN_CONN, NO_HOPS, SYN },
+	{ TCP, ACCEPT, UNKNOWN_CONN, NO_HOPS, ACK },
+	{ TCP, FORWARD, UNKNOWN_CONN, ONE_HOP, ACK },
+	{ TCP, ACCEPT, KNOWN_CONN, ONE_HOP, ACK },
+	{ UDP, ACCEPT, UNKNOWN_CONN, NO_HOPS, NONE },
+	{ UDP, FORWARD, UNKNOWN_CONN, ONE_HOP, NONE },
+	{ UDP, ACCEPT, KNOWN_CONN, ONE_HOP, NONE },
+};
+
+static void encap_init(encap_headers_t *encap, uint8_t hop_count, uint8_t proto)
+{
+	const uint8_t hlen =
+		(sizeof(struct guehdr) / sizeof(uint32_t)) + hop_count;
+	*encap = (encap_headers_t){
+		.eth = { .h_proto = htons(ETH_P_IP) },
+		.ip = {
+			.ihl = 5,
+			.version = 4,
+			.ttl = IPDEFTTL,
+			.protocol = IPPROTO_UDP,
+			.daddr = htonl(ENCAP_IP)
+		},
+		.udp = {
+			.dest = htons(ENCAP_PORT),
+		},
+		.gue = {
+			.hlen = hlen,
+			.proto_ctype = proto
+		},
+		.unigue = {
+			.hop_count = hop_count
+		},
+	};
+}
+
+static size_t build_input(const struct test_cfg *test, void *const buf,
+			  const struct tuple *tuple)
+{
+	in_port_t sport = tuple->src.port;
+	encap_headers_t encap;
+	struct iphdr ip;
+	struct ipv6hdr ipv6;
+	struct tcphdr tcp;
+	struct udphdr udp;
+	struct in_addr next_hop;
+	uint8_t *p = buf;
+	int proto;
+
+	proto = IPPROTO_IPIP;
+	if (tuple->family == AF_INET6)
+		proto = IPPROTO_IPV6;
+
+	encap_init(&encap, test->hops == ONE_HOP ? 1 : 0, proto);
+	p = mempcpy(p, &encap, sizeof(encap));
+
+	if (test->hops == ONE_HOP) {
+		next_hop = (struct in_addr){ .s_addr = htonl(0x7f000002) };
+		p = mempcpy(p, &next_hop, sizeof(next_hop));
+	}
+
+	proto = IPPROTO_TCP;
+	if (test->type == UDP)
+		proto = IPPROTO_UDP;
+
+	switch (tuple->family) {
+	case AF_INET:
+		ip = (struct iphdr){
+			.ihl = 5,
+			.version = 4,
+			.ttl = IPDEFTTL,
+			.protocol = proto,
+			.saddr = tuple->src.in_addr.s_addr,
+			.daddr = tuple->dst.in_addr.s_addr,
+		};
+		p = mempcpy(p, &ip, sizeof(ip));
+		break;
+	case AF_INET6:
+		ipv6 = (struct ipv6hdr){
+			.version = 6,
+			.hop_limit = IPDEFTTL,
+			.nexthdr = proto,
+			.saddr = tuple->src.in6_addr,
+			.daddr = tuple->dst.in6_addr,
+		};
+		p = mempcpy(p, &ipv6, sizeof(ipv6));
+		break;
+	default:
+		return 0;
+	}
+
+	if (test->conn == UNKNOWN_CONN)
+		sport--;
+
+	switch (test->type) {
+	case TCP:
+		tcp = (struct tcphdr){
+			.source = sport,
+			.dest = tuple->dst.port,
+		};
+		if (test->flags == SYN)
+			tcp.syn = true;
+		if (test->flags == ACK)
+			tcp.ack = true;
+		p = mempcpy(p, &tcp, sizeof(tcp));
+		break;
+	case UDP:
+		udp = (struct udphdr){
+			.source = sport,
+			.dest = tuple->dst.port,
+		};
+		p = mempcpy(p, &udp, sizeof(udp));
+		break;
+	default:
+		return 0;
+	}
+
+	return (void *)p - buf;
+}
+
+static void close_fds(int *fds, int n)
+{
+	int i;
+
+	for (i = 0; i < n; i++)
+		if (fds[i] > 0)
+			close(fds[i]);
+}
+
+static void test_cls_redirect_common(struct bpf_program *prog)
+{
+	LIBBPF_OPTS(bpf_test_run_opts, tattr);
+	int families[] = { AF_INET, AF_INET6 };
+	struct sockaddr_storage ss;
+	struct sockaddr *addr;
+	socklen_t slen;
+	int i, j, err, prog_fd;
+	int servers[__NR_KIND][ARRAY_SIZE(families)] = {};
+	int conns[__NR_KIND][ARRAY_SIZE(families)] = {};
+	struct tuple tuples[__NR_KIND][ARRAY_SIZE(families)];
+
+	addr = (struct sockaddr *)&ss;
+	for (i = 0; i < ARRAY_SIZE(families); i++) {
+		slen = prepare_addr(&ss, families[i]);
+		if (CHECK_FAIL(!slen))
+			goto cleanup;
+
+		if (CHECK_FAIL(!set_up_conn(addr, slen, SOCK_DGRAM,
+					    &servers[UDP][i], &conns[UDP][i],
+					    &tuples[UDP][i])))
+			goto cleanup;
+
+		if (CHECK_FAIL(!set_up_conn(addr, slen, SOCK_STREAM,
+					    &servers[TCP][i], &conns[TCP][i],
+					    &tuples[TCP][i])))
+			goto cleanup;
+	}
+
+	prog_fd = bpf_program__fd(prog);
+	for (i = 0; i < ARRAY_SIZE(tests); i++) {
+		struct test_cfg *test = &tests[i];
+
+		for (j = 0; j < ARRAY_SIZE(families); j++) {
+			struct tuple *tuple = &tuples[test->type][j];
+			char input[256];
+			char tmp[256];
+
+			test_str(tmp, sizeof(tmp), test, tuple->family);
+			if (!test__start_subtest(tmp))
+				continue;
+
+			tattr.data_out = tmp;
+			tattr.data_size_out = sizeof(tmp);
+
+			tattr.data_in = input;
+			tattr.data_size_in = build_input(test, input, tuple);
+			if (CHECK_FAIL(!tattr.data_size_in))
+				continue;
+
+			err = bpf_prog_test_run_opts(prog_fd, &tattr);
+			if (CHECK_FAIL(err))
+				continue;
+
+			if (tattr.retval != TC_ACT_REDIRECT) {
+				PRINT_FAIL("expected TC_ACT_REDIRECT, got %d\n",
+					   tattr.retval);
+				continue;
+			}
+
+			switch (test->result) {
+			case ACCEPT:
+				if (CHECK_FAIL(!was_decapsulated(&tattr)))
+					continue;
+				break;
+			case FORWARD:
+				if (CHECK_FAIL(was_decapsulated(&tattr)))
+					continue;
+				break;
+			default:
+				PRINT_FAIL("unknown result %d\n", test->result);
+				continue;
+			}
+		}
+	}
+
+cleanup:
+	close_fds((int *)servers, sizeof(servers) / sizeof(servers[0][0]));
+	close_fds((int *)conns, sizeof(conns) / sizeof(conns[0][0]));
+}
+
+static void test_cls_redirect_inlined(void)
+{
+	struct test_cls_redirect *skel;
+	int err;
+
+	skel = test_cls_redirect__open();
+	if (CHECK(!skel, "skel_open", "failed\n"))
+		return;
+
+	skel->rodata->ENCAPSULATION_IP = htonl(ENCAP_IP);
+	skel->rodata->ENCAPSULATION_PORT = htons(ENCAP_PORT);
+
+	err = test_cls_redirect__load(skel);
+	if (CHECK(err, "skel_load", "failed: %d\n", err))
+		goto cleanup;
+
+	test_cls_redirect_common(skel->progs.cls_redirect);
+
+cleanup:
+	test_cls_redirect__destroy(skel);
+}
+
+static void test_cls_redirect_subprogs(void)
+{
+	struct test_cls_redirect_subprogs *skel;
+	int err;
+
+	skel = test_cls_redirect_subprogs__open();
+	if (CHECK(!skel, "skel_open", "failed\n"))
+		return;
+
+	skel->rodata->ENCAPSULATION_IP = htonl(ENCAP_IP);
+	skel->rodata->ENCAPSULATION_PORT = htons(ENCAP_PORT);
+
+	err = test_cls_redirect_subprogs__load(skel);
+	if (CHECK(err, "skel_load", "failed: %d\n", err))
+		goto cleanup;
+
+	test_cls_redirect_common(skel->progs.cls_redirect);
+
+cleanup:
+	test_cls_redirect_subprogs__destroy(skel);
+}
+
+void test_cls_redirect(void)
+{
+	if (test__start_subtest("cls_redirect_inlined"))
+		test_cls_redirect_inlined();
+	if (test__start_subtest("cls_redirect_subprogs"))
+		test_cls_redirect_subprogs();
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/connect_force_port.c b/tools/testing/selftests/bpf/prog_tests/connect_force_port.c
new file mode 100644
index 000000000..24d553109
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/connect_force_port.c
@@ -0,0 +1,167 @@
+// SPDX-License-Identifier: GPL-2.0
+
+#include <test_progs.h>
+#include "cgroup_helpers.h"
+#include "network_helpers.h"
+
+static int verify_ports(int family, int fd,
+			__u16 expected_local, __u16 expected_peer)
+{
+	struct sockaddr_storage addr;
+	socklen_t len = sizeof(addr);
+	__u16 port;
+
+	if (getsockname(fd, (struct sockaddr *)&addr, &len)) {
+		log_err("Failed to get server addr");
+		return -1;
+	}
+
+	if (family == AF_INET)
+		port = ((struct sockaddr_in *)&addr)->sin_port;
+	else
+		port = ((struct sockaddr_in6 *)&addr)->sin6_port;
+
+	if (ntohs(port) != expected_local) {
+		log_err("Unexpected local port %d, expected %d", ntohs(port),
+			expected_local);
+		return -1;
+	}
+
+	if (getpeername(fd, (struct sockaddr *)&addr, &len)) {
+		log_err("Failed to get peer addr");
+		return -1;
+	}
+
+	if (family == AF_INET)
+		port = ((struct sockaddr_in *)&addr)->sin_port;
+	else
+		port = ((struct sockaddr_in6 *)&addr)->sin6_port;
+
+	if (ntohs(port) != expected_peer) {
+		log_err("Unexpected peer port %d, expected %d", ntohs(port),
+			expected_peer);
+		return -1;
+	}
+
+	return 0;
+}
+
+static int run_test(int cgroup_fd, int server_fd, int family, int type)
+{
+	bool v4 = family == AF_INET;
+	__u16 expected_local_port = v4 ? 22222 : 22223;
+	__u16 expected_peer_port = 60000;
+	struct bpf_program *prog;
+	struct bpf_object *obj;
+	const char *obj_file = v4 ? "connect_force_port4.bpf.o" : "connect_force_port6.bpf.o";
+	int fd, err;
+	__u32 duration = 0;
+
+	obj = bpf_object__open_file(obj_file, NULL);
+	if (!ASSERT_OK_PTR(obj, "bpf_obj_open"))
+		return -1;
+
+	err = bpf_object__load(obj);
+	if (!ASSERT_OK(err, "bpf_obj_load")) {
+		err = -EIO;
+		goto close_bpf_object;
+	}
+
+	prog = bpf_object__find_program_by_name(obj, v4 ?
+						"connect4" :
+						"connect6");
+	if (CHECK(!prog, "find_prog", "connect prog not found\n")) {
+		err = -EIO;
+		goto close_bpf_object;
+	}
+
+	err = bpf_prog_attach(bpf_program__fd(prog), cgroup_fd, v4 ?
+			      BPF_CGROUP_INET4_CONNECT :
+			      BPF_CGROUP_INET6_CONNECT, 0);
+	if (err) {
+		log_err("Failed to attach BPF program");
+		goto close_bpf_object;
+	}
+
+	prog = bpf_object__find_program_by_name(obj, v4 ?
+						"getpeername4" :
+						"getpeername6");
+	if (CHECK(!prog, "find_prog", "getpeername prog not found\n")) {
+		err = -EIO;
+		goto close_bpf_object;
+	}
+
+	err = bpf_prog_attach(bpf_program__fd(prog), cgroup_fd, v4 ?
+			      BPF_CGROUP_INET4_GETPEERNAME :
+			      BPF_CGROUP_INET6_GETPEERNAME, 0);
+	if (err) {
+		log_err("Failed to attach BPF program");
+		goto close_bpf_object;
+	}
+
+	prog = bpf_object__find_program_by_name(obj, v4 ?
+						"getsockname4" :
+						"getsockname6");
+	if (CHECK(!prog, "find_prog", "getsockname prog not found\n")) {
+		err = -EIO;
+		goto close_bpf_object;
+	}
+
+	err = bpf_prog_attach(bpf_program__fd(prog), cgroup_fd, v4 ?
+			      BPF_CGROUP_INET4_GETSOCKNAME :
+			      BPF_CGROUP_INET6_GETSOCKNAME, 0);
+	if (err) {
+		log_err("Failed to attach BPF program");
+		goto close_bpf_object;
+	}
+
+	fd = connect_to_fd(server_fd, 0);
+	if (fd < 0) {
+		err = -1;
+		goto close_bpf_object;
+	}
+
+	err = verify_ports(family, fd, expected_local_port,
+			   expected_peer_port);
+	close(fd);
+
+close_bpf_object:
+	bpf_object__close(obj);
+	return err;
+}
+
+void test_connect_force_port(void)
+{
+	int server_fd, cgroup_fd;
+
+	cgroup_fd = test__join_cgroup("/connect_force_port");
+	if (CHECK_FAIL(cgroup_fd < 0))
+		return;
+
+	server_fd = start_server(AF_INET, SOCK_STREAM, NULL, 60123, 0);
+	if (CHECK_FAIL(server_fd < 0))
+		goto close_cgroup_fd;
+	CHECK_FAIL(run_test(cgroup_fd, server_fd, AF_INET, SOCK_STREAM));
+	close(server_fd);
+
+	server_fd = start_server(AF_INET6, SOCK_STREAM, NULL, 60124, 0);
+	if (CHECK_FAIL(server_fd < 0))
+		goto close_cgroup_fd;
+	CHECK_FAIL(run_test(cgroup_fd, server_fd, AF_INET6, SOCK_STREAM));
+	close(server_fd);
+
+	server_fd = start_server(AF_INET, SOCK_DGRAM, NULL, 60123, 0);
+	if (CHECK_FAIL(server_fd < 0))
+		goto close_cgroup_fd;
+	CHECK_FAIL(run_test(cgroup_fd, server_fd, AF_INET, SOCK_DGRAM));
+	close(server_fd);
+
+	server_fd = start_server(AF_INET6, SOCK_DGRAM, NULL, 60124, 0);
+	if (CHECK_FAIL(server_fd < 0))
+		goto close_cgroup_fd;
+	CHECK_FAIL(run_test(cgroup_fd, server_fd, AF_INET6, SOCK_DGRAM));
+	close(server_fd);
+
+close_cgroup_fd:
+	close(cgroup_fd);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/connect_ping.c b/tools/testing/selftests/bpf/prog_tests/connect_ping.c
new file mode 100644
index 000000000..289218c22
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/connect_ping.c
@@ -0,0 +1,178 @@
+// SPDX-License-Identifier: GPL-2.0-only
+
+/*
+ * Copyright 2022 Google LLC.
+ */
+
+#define _GNU_SOURCE
+#include <sys/mount.h>
+
+#include "test_progs.h"
+#include "cgroup_helpers.h"
+#include "network_helpers.h"
+
+#include "connect_ping.skel.h"
+
+/* 2001:db8::1 */
+#define BINDADDR_V6 { { { 0x20,0x01,0x0d,0xb8,0,0,0,0,0,0,0,0,0,0,0,1 } } }
+static const struct in6_addr bindaddr_v6 = BINDADDR_V6;
+
+static void subtest(int cgroup_fd, struct connect_ping *skel,
+		    int family, int do_bind)
+{
+	struct sockaddr_in sa4 = {
+		.sin_family = AF_INET,
+		.sin_addr.s_addr = htonl(INADDR_LOOPBACK),
+	};
+	struct sockaddr_in6 sa6 = {
+		.sin6_family = AF_INET6,
+		.sin6_addr = IN6ADDR_LOOPBACK_INIT,
+	};
+	struct sockaddr *sa;
+	socklen_t sa_len;
+	int protocol;
+	int sock_fd;
+
+	switch (family) {
+	case AF_INET:
+		sa = (struct sockaddr *)&sa4;
+		sa_len = sizeof(sa4);
+		protocol = IPPROTO_ICMP;
+		break;
+	case AF_INET6:
+		sa = (struct sockaddr *)&sa6;
+		sa_len = sizeof(sa6);
+		protocol = IPPROTO_ICMPV6;
+		break;
+	}
+
+	memset(skel->bss, 0, sizeof(*skel->bss));
+	skel->bss->do_bind = do_bind;
+
+	sock_fd = socket(family, SOCK_DGRAM, protocol);
+	if (!ASSERT_GE(sock_fd, 0, "sock-create"))
+		return;
+
+	if (!ASSERT_OK(connect(sock_fd, sa, sa_len), "connect"))
+		goto close_sock;
+
+	if (!ASSERT_EQ(skel->bss->invocations_v4, family == AF_INET ? 1 : 0,
+		       "invocations_v4"))
+		goto close_sock;
+	if (!ASSERT_EQ(skel->bss->invocations_v6, family == AF_INET6 ? 1 : 0,
+		       "invocations_v6"))
+		goto close_sock;
+	if (!ASSERT_EQ(skel->bss->has_error, 0, "has_error"))
+		goto close_sock;
+
+	if (!ASSERT_OK(getsockname(sock_fd, sa, &sa_len),
+		       "getsockname"))
+		goto close_sock;
+
+	switch (family) {
+	case AF_INET:
+		if (!ASSERT_EQ(sa4.sin_family, family, "sin_family"))
+			goto close_sock;
+		if (!ASSERT_EQ(sa4.sin_addr.s_addr,
+			       htonl(do_bind ? 0x01010101 : INADDR_LOOPBACK),
+			       "sin_addr"))
+			goto close_sock;
+		break;
+	case AF_INET6:
+		if (!ASSERT_EQ(sa6.sin6_family, AF_INET6, "sin6_family"))
+			goto close_sock;
+		if (!ASSERT_EQ(memcmp(&sa6.sin6_addr,
+				      do_bind ? &bindaddr_v6 : &in6addr_loopback,
+				      sizeof(sa6.sin6_addr)),
+			       0, "sin6_addr"))
+			goto close_sock;
+		break;
+	}
+
+close_sock:
+	close(sock_fd);
+}
+
+void test_connect_ping(void)
+{
+	struct connect_ping *skel;
+	int cgroup_fd;
+
+	if (!ASSERT_OK(unshare(CLONE_NEWNET | CLONE_NEWNS), "unshare"))
+		return;
+
+	/* overmount sysfs, and making original sysfs private so overmount
+	 * does not propagate to other mntns.
+	 */
+	if (!ASSERT_OK(mount("none", "/sys", NULL, MS_PRIVATE, NULL),
+		       "remount-private-sys"))
+		return;
+	if (!ASSERT_OK(mount("sysfs", "/sys", "sysfs", 0, NULL),
+		       "mount-sys"))
+		return;
+	if (!ASSERT_OK(mount("bpffs", "/sys/fs/bpf", "bpf", 0, NULL),
+		       "mount-bpf"))
+		goto clean_mount;
+
+	if (!ASSERT_OK(system("ip link set dev lo up"), "lo-up"))
+		goto clean_mount;
+	if (!ASSERT_OK(system("ip addr add 1.1.1.1 dev lo"), "lo-addr-v4"))
+		goto clean_mount;
+	if (!ASSERT_OK(system("ip -6 addr add 2001:db8::1 dev lo"), "lo-addr-v6"))
+		goto clean_mount;
+	if (write_sysctl("/proc/sys/net/ipv4/ping_group_range", "0 0"))
+		goto clean_mount;
+
+	cgroup_fd = test__join_cgroup("/connect_ping");
+	if (!ASSERT_GE(cgroup_fd, 0, "cg-create"))
+		goto clean_mount;
+
+	skel = connect_ping__open_and_load();
+	if (!ASSERT_OK_PTR(skel, "skel-load"))
+		goto close_cgroup;
+	skel->links.connect_v4_prog =
+		bpf_program__attach_cgroup(skel->progs.connect_v4_prog, cgroup_fd);
+	if (!ASSERT_OK_PTR(skel->links.connect_v4_prog, "cg-attach-v4"))
+		goto skel_destroy;
+	skel->links.connect_v6_prog =
+		bpf_program__attach_cgroup(skel->progs.connect_v6_prog, cgroup_fd);
+	if (!ASSERT_OK_PTR(skel->links.connect_v6_prog, "cg-attach-v6"))
+		goto skel_destroy;
+
+	/* Connect a v4 ping socket to localhost, assert that only v4 is called,
+	 * and called exactly once, and that the socket's bound address is
+	 * original loopback address.
+	 */
+	if (test__start_subtest("ipv4"))
+		subtest(cgroup_fd, skel, AF_INET, 0);
+
+	/* Connect a v4 ping socket to localhost, assert that only v4 is called,
+	 * and called exactly once, and that the socket's bound address is
+	 * address we explicitly bound.
+	 */
+	if (test__start_subtest("ipv4-bind"))
+		subtest(cgroup_fd, skel, AF_INET, 1);
+
+	/* Connect a v6 ping socket to localhost, assert that only v6 is called,
+	 * and called exactly once, and that the socket's bound address is
+	 * original loopback address.
+	 */
+	if (test__start_subtest("ipv6"))
+		subtest(cgroup_fd, skel, AF_INET6, 0);
+
+	/* Connect a v6 ping socket to localhost, assert that only v6 is called,
+	 * and called exactly once, and that the socket's bound address is
+	 * address we explicitly bound.
+	 */
+	if (test__start_subtest("ipv6-bind"))
+		subtest(cgroup_fd, skel, AF_INET6, 1);
+
+skel_destroy:
+	connect_ping__destroy(skel);
+
+close_cgroup:
+	close(cgroup_fd);
+
+clean_mount:
+	umount2("/sys", MNT_DETACH);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/core_autosize.c b/tools/testing/selftests/bpf/prog_tests/core_autosize.c
new file mode 100644
index 000000000..f2ce4fd1c
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/core_autosize.c
@@ -0,0 +1,223 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2020 Facebook */
+
+#include <test_progs.h>
+#include <bpf/btf.h>
+
+/* real layout and sizes according to test's (32-bit) BTF
+ * needs to be defined before skeleton is included */
+struct test_struct___real {
+	unsigned int ptr; /* can't use `void *`, it is always 8 byte in BPF target */
+	unsigned int val2;
+	unsigned long long val1;
+	unsigned short val3;
+	unsigned char val4;
+	unsigned char _pad;
+};
+
+#include "test_core_autosize.skel.h"
+
+static int duration = 0;
+
+static struct {
+	unsigned long long ptr_samesized;
+	unsigned long long val1_samesized;
+	unsigned long long val2_samesized;
+	unsigned long long val3_samesized;
+	unsigned long long val4_samesized;
+	struct test_struct___real output_samesized;
+
+	unsigned long long ptr_downsized;
+	unsigned long long val1_downsized;
+	unsigned long long val2_downsized;
+	unsigned long long val3_downsized;
+	unsigned long long val4_downsized;
+	struct test_struct___real output_downsized;
+
+	unsigned long long ptr_probed;
+	unsigned long long val1_probed;
+	unsigned long long val2_probed;
+	unsigned long long val3_probed;
+	unsigned long long val4_probed;
+
+	unsigned long long ptr_signed;
+	unsigned long long val1_signed;
+	unsigned long long val2_signed;
+	unsigned long long val3_signed;
+	unsigned long long val4_signed;
+	struct test_struct___real output_signed;
+} out;
+
+void test_core_autosize(void)
+{
+	char btf_file[] = "/tmp/core_autosize.btf.XXXXXX";
+	int err, fd = -1, zero = 0;
+	int char_id, short_id, int_id, long_long_id, void_ptr_id, id;
+	DECLARE_LIBBPF_OPTS(bpf_object_open_opts, open_opts);
+	struct test_core_autosize* skel = NULL;
+	struct bpf_program *prog;
+	struct bpf_map *bss_map;
+	struct btf *btf = NULL;
+	size_t written;
+	const void *raw_data;
+	__u32 raw_sz;
+	FILE *f = NULL;
+
+	btf = btf__new_empty();
+	if (!ASSERT_OK_PTR(btf, "empty_btf"))
+		return;
+	/* Emit the following struct with 32-bit pointer size:
+	 *
+	 * struct test_struct {
+	 *     void *ptr;
+	 *     unsigned long val2;
+	 *     unsigned long long val1;
+	 *     unsigned short val3;
+	 *     unsigned char val4;
+	 *     char: 8;
+	 * };
+	 *
+	 * This struct is going to be used as the "kernel BTF" for this test.
+	 * It's equivalent memory-layout-wise to test_struct__real above.
+	 */
+
+	/* force 32-bit pointer size */
+	btf__set_pointer_size(btf, 4);
+
+	char_id = btf__add_int(btf, "unsigned char", 1, 0);
+	ASSERT_EQ(char_id, 1, "char_id");
+	short_id = btf__add_int(btf, "unsigned short", 2, 0);
+	ASSERT_EQ(short_id, 2, "short_id");
+	/* "long unsigned int" of 4 byte size tells BTF that sizeof(void *) == 4 */
+	int_id = btf__add_int(btf, "long unsigned int", 4, 0);
+	ASSERT_EQ(int_id, 3, "int_id");
+	long_long_id = btf__add_int(btf, "unsigned long long", 8, 0);
+	ASSERT_EQ(long_long_id, 4, "long_long_id");
+	void_ptr_id = btf__add_ptr(btf, 0);
+	ASSERT_EQ(void_ptr_id, 5, "void_ptr_id");
+
+	id = btf__add_struct(btf, "test_struct", 20 /* bytes */);
+	ASSERT_EQ(id, 6, "struct_id");
+	err = btf__add_field(btf, "ptr", void_ptr_id, 0, 0);
+	err = err ?: btf__add_field(btf, "val2", int_id, 32, 0);
+	err = err ?: btf__add_field(btf, "val1", long_long_id, 64, 0);
+	err = err ?: btf__add_field(btf, "val3", short_id, 128, 0);
+	err = err ?: btf__add_field(btf, "val4", char_id, 144, 0);
+	ASSERT_OK(err, "struct_fields");
+
+	fd = mkstemp(btf_file);
+	if (CHECK(fd < 0, "btf_tmp", "failed to create file: %d\n", fd))
+		goto cleanup;
+	f = fdopen(fd, "w");
+	if (!ASSERT_OK_PTR(f, "btf_fdopen"))
+		goto cleanup;
+
+	raw_data = btf__raw_data(btf, &raw_sz);
+	if (!ASSERT_OK_PTR(raw_data, "raw_data"))
+		goto cleanup;
+	written = fwrite(raw_data, 1, raw_sz, f);
+	if (CHECK(written != raw_sz, "btf_write", "written: %zu, errno: %d\n", written, errno))
+		goto cleanup;
+	fflush(f);
+	fclose(f);
+	f = NULL;
+	close(fd);
+	fd = -1;
+
+	/* open and load BPF program with custom BTF as the kernel BTF */
+	open_opts.btf_custom_path = btf_file;
+	skel = test_core_autosize__open_opts(&open_opts);
+	if (!ASSERT_OK_PTR(skel, "skel_open"))
+		goto cleanup;
+
+	/* disable handle_signed() for now */
+	prog = bpf_object__find_program_by_name(skel->obj, "handle_signed");
+	if (!ASSERT_OK_PTR(prog, "prog_find"))
+		goto cleanup;
+	bpf_program__set_autoload(prog, false);
+
+	err = bpf_object__load(skel->obj);
+	if (!ASSERT_OK(err, "prog_load"))
+		goto cleanup;
+
+	prog = bpf_object__find_program_by_name(skel->obj, "handle_samesize");
+	if (!ASSERT_OK_PTR(prog, "prog_find"))
+		goto cleanup;
+	skel->links.handle_samesize = bpf_program__attach(prog);
+	if (!ASSERT_OK_PTR(skel->links.handle_samesize, "prog_attach"))
+		goto cleanup;
+
+	prog = bpf_object__find_program_by_name(skel->obj, "handle_downsize");
+	if (!ASSERT_OK_PTR(prog, "prog_find"))
+		goto cleanup;
+	skel->links.handle_downsize = bpf_program__attach(prog);
+	if (!ASSERT_OK_PTR(skel->links.handle_downsize, "prog_attach"))
+		goto cleanup;
+
+	prog = bpf_object__find_program_by_name(skel->obj, "handle_probed");
+	if (!ASSERT_OK_PTR(prog, "prog_find"))
+		goto cleanup;
+	skel->links.handle_probed = bpf_program__attach(prog);
+	if (!ASSERT_OK_PTR(skel->links.handle_probed, "prog_attach"))
+		goto cleanup;
+
+	usleep(1);
+
+	bss_map = bpf_object__find_map_by_name(skel->obj, ".bss");
+	if (!ASSERT_OK_PTR(bss_map, "bss_map_find"))
+		goto cleanup;
+
+	err = bpf_map__lookup_elem(bss_map, &zero, sizeof(zero), &out, sizeof(out), 0);
+	if (!ASSERT_OK(err, "bss_lookup"))
+		goto cleanup;
+
+	ASSERT_EQ(out.ptr_samesized, 0x01020304, "ptr_samesized");
+	ASSERT_EQ(out.val1_samesized, 0x1020304050607080, "val1_samesized");
+	ASSERT_EQ(out.val2_samesized, 0x0a0b0c0d, "val2_samesized");
+	ASSERT_EQ(out.val3_samesized, 0xfeed, "val3_samesized");
+	ASSERT_EQ(out.val4_samesized, 0xb9, "val4_samesized");
+	ASSERT_EQ(out.output_samesized.ptr, 0x01020304, "ptr_samesized");
+	ASSERT_EQ(out.output_samesized.val1, 0x1020304050607080, "val1_samesized");
+	ASSERT_EQ(out.output_samesized.val2, 0x0a0b0c0d, "val2_samesized");
+	ASSERT_EQ(out.output_samesized.val3, 0xfeed, "val3_samesized");
+	ASSERT_EQ(out.output_samesized.val4, 0xb9, "val4_samesized");
+
+	ASSERT_EQ(out.ptr_downsized, 0x01020304, "ptr_downsized");
+	ASSERT_EQ(out.val1_downsized, 0x1020304050607080, "val1_downsized");
+	ASSERT_EQ(out.val2_downsized, 0x0a0b0c0d, "val2_downsized");
+	ASSERT_EQ(out.val3_downsized, 0xfeed, "val3_downsized");
+	ASSERT_EQ(out.val4_downsized, 0xb9, "val4_downsized");
+	ASSERT_EQ(out.output_downsized.ptr, 0x01020304, "ptr_downsized");
+	ASSERT_EQ(out.output_downsized.val1, 0x1020304050607080, "val1_downsized");
+	ASSERT_EQ(out.output_downsized.val2, 0x0a0b0c0d, "val2_downsized");
+	ASSERT_EQ(out.output_downsized.val3, 0xfeed, "val3_downsized");
+	ASSERT_EQ(out.output_downsized.val4, 0xb9, "val4_downsized");
+
+	ASSERT_EQ(out.ptr_probed, 0x01020304, "ptr_probed");
+	ASSERT_EQ(out.val1_probed, 0x1020304050607080, "val1_probed");
+	ASSERT_EQ(out.val2_probed, 0x0a0b0c0d, "val2_probed");
+	ASSERT_EQ(out.val3_probed, 0xfeed, "val3_probed");
+	ASSERT_EQ(out.val4_probed, 0xb9, "val4_probed");
+
+	test_core_autosize__destroy(skel);
+	skel = NULL;
+
+	/* now re-load with handle_signed() enabled, it should fail loading */
+	open_opts.btf_custom_path = btf_file;
+	skel = test_core_autosize__open_opts(&open_opts);
+	if (!ASSERT_OK_PTR(skel, "skel_open"))
+		goto cleanup;
+
+	err = test_core_autosize__load(skel);
+	if (!ASSERT_ERR(err, "skel_load"))
+		goto cleanup;
+
+cleanup:
+	if (f)
+		fclose(f);
+	if (fd >= 0)
+		close(fd);
+	remove(btf_file);
+	btf__free(btf);
+	test_core_autosize__destroy(skel);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/core_extern.c b/tools/testing/selftests/bpf/prog_tests/core_extern.c
new file mode 100644
index 000000000..63a51e9f3
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/core_extern.c
@@ -0,0 +1,166 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2019 Facebook */
+
+#include <test_progs.h>
+#include <sys/mman.h>
+#include <sys/utsname.h>
+#include <linux/version.h>
+#include "test_core_extern.skel.h"
+
+static uint32_t get_kernel_version(void)
+{
+	uint32_t major, minor, patch;
+	struct utsname info;
+
+	uname(&info);
+	if (sscanf(info.release, "%u.%u.%u", &major, &minor, &patch) != 3)
+		return 0;
+	return KERNEL_VERSION(major, minor, patch);
+}
+
+#define CFG "CONFIG_BPF_SYSCALL=n\n"
+
+static struct test_case {
+	const char *name;
+	const char *cfg;
+	bool fails;
+	struct test_core_extern__data data;
+} test_cases[] = {
+	{ .name = "default search path", .data = { .bpf_syscall = true } },
+	{
+		.name = "custom values",
+		.cfg = "CONFIG_BPF_SYSCALL=n\n"
+		       "CONFIG_TRISTATE=m\n"
+		       "CONFIG_BOOL=y\n"
+		       "CONFIG_CHAR=100\n"
+		       "CONFIG_USHORT=30000\n"
+		       "CONFIG_INT=123456\n"
+		       "CONFIG_ULONG=0xDEADBEEFC0DE\n"
+		       "CONFIG_STR=\"abracad\"\n"
+		       "CONFIG_MISSING=0",
+		.data = {
+			.unkn_virt_val = 0,
+			.bpf_syscall = false,
+			.tristate_val = TRI_MODULE,
+			.bool_val = true,
+			.char_val = 100,
+			.ushort_val = 30000,
+			.int_val = 123456,
+			.ulong_val = 0xDEADBEEFC0DE,
+			.str_val = "abracad",
+		},
+	},
+	/* TRISTATE */
+	{ .name = "tristate (y)", .cfg = CFG"CONFIG_TRISTATE=y\n",
+	  .data = { .tristate_val = TRI_YES } },
+	{ .name = "tristate (n)", .cfg = CFG"CONFIG_TRISTATE=n\n",
+	  .data = { .tristate_val = TRI_NO } },
+	{ .name = "tristate (m)", .cfg = CFG"CONFIG_TRISTATE=m\n",
+	  .data = { .tristate_val = TRI_MODULE } },
+	{ .name = "tristate (int)", .fails = 1, .cfg = CFG"CONFIG_TRISTATE=1" },
+	{ .name = "tristate (bad)", .fails = 1, .cfg = CFG"CONFIG_TRISTATE=M" },
+	/* BOOL */
+	{ .name = "bool (y)", .cfg = CFG"CONFIG_BOOL=y\n",
+	  .data = { .bool_val = true } },
+	{ .name = "bool (n)", .cfg = CFG"CONFIG_BOOL=n\n",
+	  .data = { .bool_val = false } },
+	{ .name = "bool (tristate)", .fails = 1, .cfg = CFG"CONFIG_BOOL=m" },
+	{ .name = "bool (int)", .fails = 1, .cfg = CFG"CONFIG_BOOL=1" },
+	/* CHAR */
+	{ .name = "char (tristate)", .cfg = CFG"CONFIG_CHAR=m\n",
+	  .data = { .char_val = 'm' } },
+	{ .name = "char (bad)", .fails = 1, .cfg = CFG"CONFIG_CHAR=q\n" },
+	{ .name = "char (empty)", .fails = 1, .cfg = CFG"CONFIG_CHAR=\n" },
+	{ .name = "char (str)", .fails = 1, .cfg = CFG"CONFIG_CHAR=\"y\"\n" },
+	/* STRING */
+	{ .name = "str (empty)", .cfg = CFG"CONFIG_STR=\"\"\n",
+	  .data = { .str_val = "\0\0\0\0\0\0\0" } },
+	{ .name = "str (padded)", .cfg = CFG"CONFIG_STR=\"abra\"\n",
+	  .data = { .str_val = "abra\0\0\0" } },
+	{ .name = "str (too long)", .cfg = CFG"CONFIG_STR=\"abracada\"\n",
+	  .data = { .str_val = "abracad" } },
+	{ .name = "str (no value)", .fails = 1, .cfg = CFG"CONFIG_STR=\n" },
+	{ .name = "str (bad value)", .fails = 1, .cfg = CFG"CONFIG_STR=bla\n" },
+	/* INTEGERS */
+	{
+		.name = "integer forms",
+		.cfg = CFG
+		       "CONFIG_CHAR=0xA\n"
+		       "CONFIG_USHORT=0462\n"
+		       "CONFIG_INT=-100\n"
+		       "CONFIG_ULONG=+1000000000000",
+		.data = {
+			.char_val = 0xA,
+			.ushort_val = 0462,
+			.int_val = -100,
+			.ulong_val = 1000000000000,
+		},
+	},
+	{ .name = "int (bad)", .fails = 1, .cfg = CFG"CONFIG_INT=abc" },
+	{ .name = "int (str)", .fails = 1, .cfg = CFG"CONFIG_INT=\"abc\"" },
+	{ .name = "int (empty)", .fails = 1, .cfg = CFG"CONFIG_INT=" },
+	{ .name = "int (mixed)", .fails = 1, .cfg = CFG"CONFIG_INT=123abc" },
+	{ .name = "int (max)", .cfg = CFG"CONFIG_INT=2147483647",
+	  .data = { .int_val = 2147483647 } },
+	{ .name = "int (min)", .cfg = CFG"CONFIG_INT=-2147483648",
+	  .data = { .int_val = -2147483648 } },
+	{ .name = "int (max+1)", .fails = 1, .cfg = CFG"CONFIG_INT=2147483648" },
+	{ .name = "int (min-1)", .fails = 1, .cfg = CFG"CONFIG_INT=-2147483649" },
+	{ .name = "ushort (max)", .cfg = CFG"CONFIG_USHORT=65535",
+	  .data = { .ushort_val = 65535 } },
+	{ .name = "ushort (min)", .cfg = CFG"CONFIG_USHORT=0",
+	  .data = { .ushort_val = 0 } },
+	{ .name = "ushort (max+1)", .fails = 1, .cfg = CFG"CONFIG_USHORT=65536" },
+	{ .name = "ushort (min-1)", .fails = 1, .cfg = CFG"CONFIG_USHORT=-1" },
+	{ .name = "u64 (max)", .cfg = CFG"CONFIG_ULONG=0xffffffffffffffff",
+	  .data = { .ulong_val = 0xffffffffffffffff } },
+	{ .name = "u64 (min)", .cfg = CFG"CONFIG_ULONG=0",
+	  .data = { .ulong_val = 0 } },
+	{ .name = "u64 (max+1)", .fails = 1, .cfg = CFG"CONFIG_ULONG=0x10000000000000000" },
+};
+
+void test_core_extern(void)
+{
+	const uint32_t kern_ver = get_kernel_version();
+	int err, i, j;
+	struct test_core_extern *skel = NULL;
+	uint64_t *got, *exp;
+	int n = sizeof(*skel->data) / sizeof(uint64_t);
+
+	for (i = 0; i < ARRAY_SIZE(test_cases); i++) {
+		struct test_case *t = &test_cases[i];
+		DECLARE_LIBBPF_OPTS(bpf_object_open_opts, opts,
+			.kconfig = t->cfg,
+		);
+
+		if (!test__start_subtest(t->name))
+			continue;
+
+		skel = test_core_extern__open_opts(&opts);
+		if (!ASSERT_OK_PTR(skel, "skel_open"))
+			goto cleanup;
+		err = test_core_extern__load(skel);
+		if (t->fails) {
+			ASSERT_ERR(err, "skel_load_should_fail");
+			goto cleanup;
+		} else if (!ASSERT_OK(err, "skel_load")) {
+			goto cleanup;
+		}
+		err = test_core_extern__attach(skel);
+		if (!ASSERT_OK(err, "attach_raw_tp"))
+			goto cleanup;
+
+		usleep(1);
+
+		t->data.kern_ver = kern_ver;
+		t->data.missing_val = 0xDEADC0DE;
+		got = (uint64_t *)skel->data;
+		exp = (uint64_t *)&t->data;
+		for (j = 0; j < n; j++) {
+			ASSERT_EQ(got[j], exp[j], "result");
+		}
+cleanup:
+		test_core_extern__destroy(skel);
+		skel = NULL;
+	}
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/core_kern.c b/tools/testing/selftests/bpf/prog_tests/core_kern.c
new file mode 100644
index 000000000..6a5a1c019
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/core_kern.c
@@ -0,0 +1,28 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2021 Facebook */
+
+#include "test_progs.h"
+#include "core_kern.lskel.h"
+
+void test_core_kern_lskel(void)
+{
+	struct core_kern_lskel *skel;
+	int link_fd;
+
+	skel = core_kern_lskel__open_and_load();
+	if (!ASSERT_OK_PTR(skel, "open_and_load"))
+		return;
+
+	link_fd = core_kern_lskel__core_relo_proto__attach(skel);
+	if (!ASSERT_GT(link_fd, 0, "attach(core_relo_proto)"))
+		goto cleanup;
+
+	/* trigger tracepoints */
+	usleep(1);
+	ASSERT_TRUE(skel->bss->proto_out[0], "bpf_core_type_exists");
+	ASSERT_FALSE(skel->bss->proto_out[1], "!bpf_core_type_exists");
+	ASSERT_TRUE(skel->bss->proto_out[2], "bpf_core_type_exists. nested");
+
+cleanup:
+	core_kern_lskel__destroy(skel);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/core_kern_overflow.c b/tools/testing/selftests/bpf/prog_tests/core_kern_overflow.c
new file mode 100644
index 000000000..04cc145bc
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/core_kern_overflow.c
@@ -0,0 +1,13 @@
+// SPDX-License-Identifier: GPL-2.0
+
+#include "test_progs.h"
+#include "core_kern_overflow.lskel.h"
+
+void test_core_kern_overflow_lskel(void)
+{
+	struct core_kern_overflow_lskel *skel;
+
+	skel = core_kern_overflow_lskel__open_and_load();
+	if (!ASSERT_NULL(skel, "open_and_load"))
+		core_kern_overflow_lskel__destroy(skel);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/core_read_macros.c b/tools/testing/selftests/bpf/prog_tests/core_read_macros.c
new file mode 100644
index 000000000..96f5cf3c6
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/core_read_macros.c
@@ -0,0 +1,64 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2020 Facebook */
+
+#include <test_progs.h>
+
+struct callback_head {
+	struct callback_head *next;
+	void (*func)(struct callback_head *head);
+};
+
+/* ___shuffled flavor is just an illusion for BPF code, it doesn't really
+ * exist and user-space needs to provide data in the memory layout that
+ * matches callback_head. We just defined ___shuffled flavor to make it easier
+ * to work with the skeleton
+ */
+struct callback_head___shuffled {
+	struct callback_head___shuffled *next;
+	void (*func)(struct callback_head *head);
+};
+
+#include "test_core_read_macros.skel.h"
+
+void test_core_read_macros(void)
+{
+	int duration = 0, err;
+	struct test_core_read_macros* skel;
+	struct test_core_read_macros__bss *bss;
+	struct callback_head u_probe_in;
+	struct callback_head___shuffled u_core_in;
+
+	skel = test_core_read_macros__open_and_load();
+	if (CHECK(!skel, "skel_open", "failed to open skeleton\n"))
+		return;
+	bss = skel->bss;
+	bss->my_pid = getpid();
+
+	/* next pointers have to be set from the kernel side */
+	bss->k_probe_in.func = (void *)(long)0x1234;
+	bss->k_core_in.func = (void *)(long)0xabcd;
+
+	u_probe_in.next = &u_probe_in;
+	u_probe_in.func = (void *)(long)0x5678;
+	bss->u_probe_in = &u_probe_in;
+
+	u_core_in.next = &u_core_in;
+	u_core_in.func = (void *)(long)0xdbca;
+	bss->u_core_in = &u_core_in;
+
+	err = test_core_read_macros__attach(skel);
+	if (CHECK(err, "skel_attach", "skeleton attach failed: %d\n", err))
+		goto cleanup;
+
+	/* trigger tracepoint */
+	usleep(1);
+
+	ASSERT_EQ(bss->k_probe_out, 0x1234, "k_probe_out");
+	ASSERT_EQ(bss->k_core_out, 0xabcd, "k_core_out");
+
+	ASSERT_EQ(bss->u_probe_out, 0x5678, "u_probe_out");
+	ASSERT_EQ(bss->u_core_out, 0xdbca, "u_core_out");
+
+cleanup:
+	test_core_read_macros__destroy(skel);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/core_reloc.c b/tools/testing/selftests/bpf/prog_tests/core_reloc.c
new file mode 100644
index 000000000..47f42e680
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/core_reloc.c
@@ -0,0 +1,1155 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <test_progs.h>
+#include "progs/core_reloc_types.h"
+#include "bpf_testmod/bpf_testmod.h"
+#include <linux/limits.h>
+#include <sys/mman.h>
+#include <sys/syscall.h>
+#include <bpf/btf.h>
+
+static int duration = 0;
+
+#define STRUCT_TO_CHAR_PTR(struct_name) (const char *)&(struct struct_name)
+
+#define MODULES_CASE(name, pg_name, tp_name) {				\
+	.case_name = name,						\
+	.bpf_obj_file = "test_core_reloc_module.bpf.o",			\
+	.btf_src_file = NULL, /* find in kernel module BTFs */		\
+	.input = "",							\
+	.input_len = 0,							\
+	.output = STRUCT_TO_CHAR_PTR(core_reloc_module_output) {	\
+		.read_ctx_sz = sizeof(struct bpf_testmod_test_read_ctx),\
+		.read_ctx_exists = true,				\
+		.buf_exists = true,					\
+		.len_exists = true,					\
+		.off_exists = true,					\
+		.len = 123,						\
+		.off = 0,						\
+		.comm = "test_progs",					\
+		.comm_len = sizeof("test_progs"),			\
+	},								\
+	.output_len = sizeof(struct core_reloc_module_output),		\
+	.prog_name = pg_name,						\
+	.raw_tp_name = tp_name,						\
+	.trigger = __trigger_module_test_read,				\
+	.needs_testmod = true,						\
+}
+
+#define FLAVORS_DATA(struct_name) STRUCT_TO_CHAR_PTR(struct_name) {	\
+	.a = 42,							\
+	.b = 0xc001,							\
+	.c = 0xbeef,							\
+}
+
+#define FLAVORS_CASE_COMMON(name)					\
+	.case_name = #name,						\
+	.bpf_obj_file = "test_core_reloc_flavors.bpf.o",		\
+	.btf_src_file = "btf__core_reloc_" #name ".bpf.o",		\
+	.raw_tp_name = "sys_enter",					\
+	.prog_name = "test_core_flavors"				\
+
+#define FLAVORS_CASE(name) {						\
+	FLAVORS_CASE_COMMON(name),					\
+	.input = FLAVORS_DATA(core_reloc_##name),			\
+	.input_len = sizeof(struct core_reloc_##name),			\
+	.output = FLAVORS_DATA(core_reloc_flavors),			\
+	.output_len = sizeof(struct core_reloc_flavors),		\
+}
+
+#define FLAVORS_ERR_CASE(name) {					\
+	FLAVORS_CASE_COMMON(name),					\
+	.fails = true,							\
+}
+
+#define NESTING_DATA(struct_name) STRUCT_TO_CHAR_PTR(struct_name) {	\
+	.a = { .a = { .a = 42 } },					\
+	.b = { .b = { .b = 0xc001 } },					\
+}
+
+#define NESTING_CASE_COMMON(name)					\
+	.case_name = #name,						\
+	.bpf_obj_file = "test_core_reloc_nesting.bpf.o",		\
+	.btf_src_file = "btf__core_reloc_" #name ".bpf.o",		\
+	.raw_tp_name = "sys_enter",					\
+	.prog_name = "test_core_nesting"				\
+
+#define NESTING_CASE(name) {						\
+	NESTING_CASE_COMMON(name),					\
+	.input = NESTING_DATA(core_reloc_##name),			\
+	.input_len = sizeof(struct core_reloc_##name),			\
+	.output = NESTING_DATA(core_reloc_nesting),			\
+	.output_len = sizeof(struct core_reloc_nesting)			\
+}
+
+#define NESTING_ERR_CASE(name) {					\
+	NESTING_CASE_COMMON(name),					\
+	.fails = true,							\
+	.run_btfgen_fails = true,							\
+}
+
+#define ARRAYS_DATA(struct_name) STRUCT_TO_CHAR_PTR(struct_name) {	\
+	.a = { [2] = 1 },						\
+	.b = { [1] = { [2] = { [3] = 2 } } },				\
+	.c = { [1] = { .c =  3 } },					\
+	.d = { [0] = { [0] = { .d = 4 } } },				\
+}
+
+#define ARRAYS_CASE_COMMON(name)					\
+	.case_name = #name,						\
+	.bpf_obj_file = "test_core_reloc_arrays.bpf.o",			\
+	.btf_src_file = "btf__core_reloc_" #name ".bpf.o",		\
+	.raw_tp_name = "sys_enter",					\
+	.prog_name = "test_core_arrays"					\
+
+#define ARRAYS_CASE(name) {						\
+	ARRAYS_CASE_COMMON(name),					\
+	.input = ARRAYS_DATA(core_reloc_##name),			\
+	.input_len = sizeof(struct core_reloc_##name),			\
+	.output = STRUCT_TO_CHAR_PTR(core_reloc_arrays_output) {	\
+		.a2   = 1,						\
+		.b123 = 2,						\
+		.c1c  = 3,						\
+		.d00d = 4,						\
+		.f10c = 0,						\
+	},								\
+	.output_len = sizeof(struct core_reloc_arrays_output)		\
+}
+
+#define ARRAYS_ERR_CASE(name) {						\
+	ARRAYS_CASE_COMMON(name),					\
+	.fails = true,							\
+}
+
+#define PRIMITIVES_DATA(struct_name) STRUCT_TO_CHAR_PTR(struct_name) {	\
+	.a = 1,								\
+	.b = 2,								\
+	.c = 3,								\
+	.d = (void *)4,							\
+	.f = (void *)5,							\
+}
+
+#define PRIMITIVES_CASE_COMMON(name)					\
+	.case_name = #name,						\
+	.bpf_obj_file = "test_core_reloc_primitives.bpf.o",		\
+	.btf_src_file = "btf__core_reloc_" #name ".bpf.o",		\
+	.raw_tp_name = "sys_enter",					\
+	.prog_name = "test_core_primitives"				\
+
+#define PRIMITIVES_CASE(name) {						\
+	PRIMITIVES_CASE_COMMON(name),					\
+	.input = PRIMITIVES_DATA(core_reloc_##name),			\
+	.input_len = sizeof(struct core_reloc_##name),			\
+	.output = PRIMITIVES_DATA(core_reloc_primitives),		\
+	.output_len = sizeof(struct core_reloc_primitives),		\
+}
+
+#define PRIMITIVES_ERR_CASE(name) {					\
+	PRIMITIVES_CASE_COMMON(name),					\
+	.fails = true,							\
+}
+
+#define MODS_CASE(name) {						\
+	.case_name = #name,						\
+	.bpf_obj_file = "test_core_reloc_mods.bpf.o",			\
+	.btf_src_file = "btf__core_reloc_" #name ".bpf.o",		\
+	.input = STRUCT_TO_CHAR_PTR(core_reloc_##name) {		\
+		.a = 1,							\
+		.b = 2,							\
+		.c = (void *)3,						\
+		.d = (void *)4,						\
+		.e = { [2] = 5 },					\
+		.f = { [1] = 6 },					\
+		.g = { .x = 7 },					\
+		.h = { .y = 8 },					\
+	},								\
+	.input_len = sizeof(struct core_reloc_##name),			\
+	.output = STRUCT_TO_CHAR_PTR(core_reloc_mods_output) {		\
+		.a = 1, .b = 2, .c = 3, .d = 4,				\
+		.e = 5, .f = 6, .g = 7, .h = 8,				\
+	},								\
+	.output_len = sizeof(struct core_reloc_mods_output),		\
+	.raw_tp_name = "sys_enter",					\
+	.prog_name = "test_core_mods",					\
+}
+
+#define PTR_AS_ARR_CASE(name) {						\
+	.case_name = #name,						\
+	.bpf_obj_file = "test_core_reloc_ptr_as_arr.bpf.o",		\
+	.btf_src_file = "btf__core_reloc_" #name ".bpf.o",		\
+	.input = (const char *)&(struct core_reloc_##name []){		\
+		{ .a = 1 },						\
+		{ .a = 2 },						\
+		{ .a = 3 },						\
+	},								\
+	.input_len = 3 * sizeof(struct core_reloc_##name),		\
+	.output = STRUCT_TO_CHAR_PTR(core_reloc_ptr_as_arr) {		\
+		.a = 3,							\
+	},								\
+	.output_len = sizeof(struct core_reloc_ptr_as_arr),		\
+	.raw_tp_name = "sys_enter",					\
+	.prog_name = "test_core_ptr_as_arr",				\
+}
+
+#define INTS_DATA(struct_name) STRUCT_TO_CHAR_PTR(struct_name) {	\
+	.u8_field = 1,							\
+	.s8_field = 2,							\
+	.u16_field = 3,							\
+	.s16_field = 4,							\
+	.u32_field = 5,							\
+	.s32_field = 6,							\
+	.u64_field = 7,							\
+	.s64_field = 8,							\
+}
+
+#define INTS_CASE_COMMON(name)						\
+	.case_name = #name,						\
+	.bpf_obj_file = "test_core_reloc_ints.bpf.o",			\
+	.btf_src_file = "btf__core_reloc_" #name ".bpf.o",		\
+	.raw_tp_name = "sys_enter",					\
+	.prog_name = "test_core_ints"
+
+#define INTS_CASE(name) {						\
+	INTS_CASE_COMMON(name),						\
+	.input = INTS_DATA(core_reloc_##name),				\
+	.input_len = sizeof(struct core_reloc_##name),			\
+	.output = INTS_DATA(core_reloc_ints),				\
+	.output_len = sizeof(struct core_reloc_ints),			\
+}
+
+#define INTS_ERR_CASE(name) {						\
+	INTS_CASE_COMMON(name),						\
+	.fails = true,							\
+}
+
+#define FIELD_EXISTS_CASE_COMMON(name)					\
+	.case_name = #name,						\
+	.bpf_obj_file = "test_core_reloc_existence.bpf.o",		\
+	.btf_src_file = "btf__core_reloc_" #name ".bpf.o",		\
+	.raw_tp_name = "sys_enter",					\
+	.prog_name = "test_core_existence"
+
+#define BITFIELDS_CASE_COMMON(objfile, test_name_prefix,  name)		\
+	.case_name = test_name_prefix#name,				\
+	.bpf_obj_file = objfile,					\
+	.btf_src_file = "btf__core_reloc_" #name ".bpf.o"
+
+#define BITFIELDS_CASE(name, ...) {					\
+	BITFIELDS_CASE_COMMON("test_core_reloc_bitfields_probed.bpf.o",	\
+			      "probed:", name),				\
+	.input = STRUCT_TO_CHAR_PTR(core_reloc_##name) __VA_ARGS__,	\
+	.input_len = sizeof(struct core_reloc_##name),			\
+	.output = STRUCT_TO_CHAR_PTR(core_reloc_bitfields_output)	\
+		__VA_ARGS__,						\
+	.output_len = sizeof(struct core_reloc_bitfields_output),	\
+	.raw_tp_name = "sys_enter",					\
+	.prog_name = "test_core_bitfields",				\
+}, {									\
+	BITFIELDS_CASE_COMMON("test_core_reloc_bitfields_direct.bpf.o",	\
+			      "direct:", name),				\
+	.input = STRUCT_TO_CHAR_PTR(core_reloc_##name) __VA_ARGS__,	\
+	.input_len = sizeof(struct core_reloc_##name),			\
+	.output = STRUCT_TO_CHAR_PTR(core_reloc_bitfields_output)	\
+		__VA_ARGS__,						\
+	.output_len = sizeof(struct core_reloc_bitfields_output),	\
+	.prog_name = "test_core_bitfields_direct",			\
+}
+
+
+#define BITFIELDS_ERR_CASE(name) {					\
+	BITFIELDS_CASE_COMMON("test_core_reloc_bitfields_probed.bpf.o",	\
+			      "probed:", name),				\
+	.fails = true,							\
+	.run_btfgen_fails = true,					\
+	.raw_tp_name = "sys_enter",					\
+	.prog_name = "test_core_bitfields",				\
+}, {									\
+	BITFIELDS_CASE_COMMON("test_core_reloc_bitfields_direct.bpf.o",	\
+			      "direct:", name),				\
+	.fails = true,							\
+	.run_btfgen_fails = true,							\
+	.prog_name = "test_core_bitfields_direct",			\
+}
+
+#define SIZE_CASE_COMMON(name)						\
+	.case_name = #name,						\
+	.bpf_obj_file = "test_core_reloc_size.bpf.o",			\
+	.btf_src_file = "btf__core_reloc_" #name ".bpf.o",		\
+	.raw_tp_name = "sys_enter",					\
+	.prog_name = "test_core_size"
+
+#define SIZE_OUTPUT_DATA(type)						\
+	STRUCT_TO_CHAR_PTR(core_reloc_size_output) {			\
+		.int_sz = sizeof(((type *)0)->int_field),		\
+		.int_off = offsetof(type, int_field),			\
+		.struct_sz = sizeof(((type *)0)->struct_field),		\
+		.struct_off = offsetof(type, struct_field),		\
+		.union_sz = sizeof(((type *)0)->union_field),		\
+		.union_off = offsetof(type, union_field),		\
+		.arr_sz = sizeof(((type *)0)->arr_field),		\
+		.arr_off = offsetof(type, arr_field),			\
+		.arr_elem_sz = sizeof(((type *)0)->arr_field[1]),	\
+		.arr_elem_off = offsetof(type, arr_field[1]),		\
+		.ptr_sz = 8, /* always 8-byte pointer for BPF */	\
+		.ptr_off = offsetof(type, ptr_field),			\
+		.enum_sz = sizeof(((type *)0)->enum_field),		\
+		.enum_off = offsetof(type, enum_field),			\
+		.float_sz = sizeof(((type *)0)->float_field),		\
+		.float_off = offsetof(type, float_field),		\
+	}
+
+#define SIZE_CASE(name) {						\
+	SIZE_CASE_COMMON(name),						\
+	.input_len = 0,							\
+	.output = SIZE_OUTPUT_DATA(struct core_reloc_##name),		\
+	.output_len = sizeof(struct core_reloc_size_output),		\
+}
+
+#define SIZE_ERR_CASE(name) {						\
+	SIZE_CASE_COMMON(name),						\
+	.fails = true,							\
+	.run_btfgen_fails = true,					\
+}
+
+#define TYPE_BASED_CASE_COMMON(name)					\
+	.case_name = #name,						\
+	.bpf_obj_file = "test_core_reloc_type_based.bpf.o",		\
+	.btf_src_file = "btf__core_reloc_" #name ".bpf.o",		\
+	.raw_tp_name = "sys_enter",					\
+	.prog_name = "test_core_type_based"
+
+#define TYPE_BASED_CASE(name, ...) {					\
+	TYPE_BASED_CASE_COMMON(name),					\
+	.output = STRUCT_TO_CHAR_PTR(core_reloc_type_based_output)	\
+			__VA_ARGS__,					\
+	.output_len = sizeof(struct core_reloc_type_based_output),	\
+}
+
+#define TYPE_BASED_ERR_CASE(name) {					\
+	TYPE_BASED_CASE_COMMON(name),					\
+	.fails = true,							\
+}
+
+#define TYPE_ID_CASE_COMMON(name)					\
+	.case_name = #name,						\
+	.bpf_obj_file = "test_core_reloc_type_id.bpf.o",		\
+	.btf_src_file = "btf__core_reloc_" #name ".bpf.o",		\
+	.raw_tp_name = "sys_enter",					\
+	.prog_name = "test_core_type_id"
+
+#define TYPE_ID_CASE(name, setup_fn) {					\
+	TYPE_ID_CASE_COMMON(name),					\
+	.output = STRUCT_TO_CHAR_PTR(core_reloc_type_id_output) {},	\
+	.output_len = sizeof(struct core_reloc_type_id_output),		\
+	.setup = setup_fn,						\
+}
+
+#define TYPE_ID_ERR_CASE(name) {					\
+	TYPE_ID_CASE_COMMON(name),					\
+	.fails = true,							\
+}
+
+#define ENUMVAL_CASE_COMMON(name)					\
+	.case_name = #name,						\
+	.bpf_obj_file = "test_core_reloc_enumval.bpf.o",		\
+	.btf_src_file = "btf__core_reloc_" #name ".bpf.o",		\
+	.raw_tp_name = "sys_enter",					\
+	.prog_name = "test_core_enumval"
+
+#define ENUMVAL_CASE(name, ...) {					\
+	ENUMVAL_CASE_COMMON(name),					\
+	.output = STRUCT_TO_CHAR_PTR(core_reloc_enumval_output)		\
+			__VA_ARGS__,					\
+	.output_len = sizeof(struct core_reloc_enumval_output),		\
+}
+
+#define ENUMVAL_ERR_CASE(name) {					\
+	ENUMVAL_CASE_COMMON(name),					\
+	.fails = true,							\
+}
+
+#define ENUM64VAL_CASE_COMMON(name)					\
+	.case_name = #name,						\
+	.bpf_obj_file = "test_core_reloc_enum64val.bpf.o",		\
+	.btf_src_file = "btf__core_reloc_" #name ".bpf.o",		\
+	.raw_tp_name = "sys_enter",					\
+	.prog_name = "test_core_enum64val"
+
+#define ENUM64VAL_CASE(name, ...) {					\
+	ENUM64VAL_CASE_COMMON(name),					\
+	.output = STRUCT_TO_CHAR_PTR(core_reloc_enum64val_output)	\
+			__VA_ARGS__,					\
+	.output_len = sizeof(struct core_reloc_enum64val_output),	\
+}
+
+#define ENUM64VAL_ERR_CASE(name) {					\
+	ENUM64VAL_CASE_COMMON(name),					\
+	.fails = true,							\
+}
+
+struct core_reloc_test_case;
+
+typedef int (*setup_test_fn)(struct core_reloc_test_case *test);
+typedef int (*trigger_test_fn)(const struct core_reloc_test_case *test);
+
+struct core_reloc_test_case {
+	const char *case_name;
+	const char *bpf_obj_file;
+	const char *btf_src_file;
+	const char *input;
+	int input_len;
+	const char *output;
+	int output_len;
+	bool fails;
+	bool run_btfgen_fails;
+	bool needs_testmod;
+	bool relaxed_core_relocs;
+	const char *prog_name;
+	const char *raw_tp_name;
+	setup_test_fn setup;
+	trigger_test_fn trigger;
+};
+
+static int find_btf_type(const struct btf *btf, const char *name, __u32 kind)
+{
+	int id;
+
+	id = btf__find_by_name_kind(btf, name, kind);
+	if (CHECK(id <= 0, "find_type_id", "failed to find '%s', kind %d: %d\n", name, kind, id))
+		return -1;
+
+	return id;
+}
+
+static int setup_type_id_case_local(struct core_reloc_test_case *test)
+{
+	struct core_reloc_type_id_output *exp = (void *)test->output;
+	struct btf *local_btf = btf__parse(test->bpf_obj_file, NULL);
+	struct btf *targ_btf = btf__parse(test->btf_src_file, NULL);
+	const struct btf_type *t;
+	const char *name;
+	int i;
+
+	if (!ASSERT_OK_PTR(local_btf, "local_btf") || !ASSERT_OK_PTR(targ_btf, "targ_btf")) {
+		btf__free(local_btf);
+		btf__free(targ_btf);
+		return -EINVAL;
+	}
+
+	exp->local_anon_struct = -1;
+	exp->local_anon_union = -1;
+	exp->local_anon_enum = -1;
+	exp->local_anon_func_proto_ptr = -1;
+	exp->local_anon_void_ptr = -1;
+	exp->local_anon_arr = -1;
+
+	for (i = 1; i < btf__type_cnt(local_btf); i++)
+	{
+		t = btf__type_by_id(local_btf, i);
+		/* we are interested only in anonymous types */
+		if (t->name_off)
+			continue;
+
+		if (btf_is_struct(t) && btf_vlen(t) &&
+		    (name = btf__name_by_offset(local_btf, btf_members(t)[0].name_off)) &&
+		    strcmp(name, "marker_field") == 0) {
+			exp->local_anon_struct = i;
+		} else if (btf_is_union(t) && btf_vlen(t) &&
+			 (name = btf__name_by_offset(local_btf, btf_members(t)[0].name_off)) &&
+			 strcmp(name, "marker_field") == 0) {
+			exp->local_anon_union = i;
+		} else if (btf_is_enum(t) && btf_vlen(t) &&
+			 (name = btf__name_by_offset(local_btf, btf_enum(t)[0].name_off)) &&
+			 strcmp(name, "MARKER_ENUM_VAL") == 0) {
+			exp->local_anon_enum = i;
+		} else if (btf_is_ptr(t) && (t = btf__type_by_id(local_btf, t->type))) {
+			if (btf_is_func_proto(t) && (t = btf__type_by_id(local_btf, t->type)) &&
+			    btf_is_int(t) && (name = btf__name_by_offset(local_btf, t->name_off)) &&
+			    strcmp(name, "_Bool") == 0) {
+				/* ptr -> func_proto -> _Bool */
+				exp->local_anon_func_proto_ptr = i;
+			} else if (btf_is_void(t)) {
+				/* ptr -> void */
+				exp->local_anon_void_ptr = i;
+			}
+		} else if (btf_is_array(t) && (t = btf__type_by_id(local_btf, btf_array(t)->type)) &&
+			   btf_is_int(t) && (name = btf__name_by_offset(local_btf, t->name_off)) &&
+			   strcmp(name, "_Bool") == 0) {
+			/* _Bool[] */
+			exp->local_anon_arr = i;
+		}
+	}
+
+	exp->local_struct = find_btf_type(local_btf, "a_struct", BTF_KIND_STRUCT);
+	exp->local_union = find_btf_type(local_btf, "a_union", BTF_KIND_UNION);
+	exp->local_enum = find_btf_type(local_btf, "an_enum", BTF_KIND_ENUM);
+	exp->local_int = find_btf_type(local_btf, "int", BTF_KIND_INT);
+	exp->local_struct_typedef = find_btf_type(local_btf, "named_struct_typedef", BTF_KIND_TYPEDEF);
+	exp->local_func_proto_typedef = find_btf_type(local_btf, "func_proto_typedef", BTF_KIND_TYPEDEF);
+	exp->local_arr_typedef = find_btf_type(local_btf, "arr_typedef", BTF_KIND_TYPEDEF);
+
+	btf__free(local_btf);
+	btf__free(targ_btf);
+	return 0;
+}
+
+static int setup_type_id_case_success(struct core_reloc_test_case *test) {
+	struct core_reloc_type_id_output *exp = (void *)test->output;
+	struct btf *targ_btf;
+	int err;
+
+	err = setup_type_id_case_local(test);
+	if (err)
+		return err;
+
+	targ_btf = btf__parse(test->btf_src_file, NULL);
+
+	exp->targ_struct = find_btf_type(targ_btf, "a_struct", BTF_KIND_STRUCT);
+	exp->targ_union = find_btf_type(targ_btf, "a_union", BTF_KIND_UNION);
+	exp->targ_enum = find_btf_type(targ_btf, "an_enum", BTF_KIND_ENUM);
+	exp->targ_int = find_btf_type(targ_btf, "int", BTF_KIND_INT);
+	exp->targ_struct_typedef = find_btf_type(targ_btf, "named_struct_typedef", BTF_KIND_TYPEDEF);
+	exp->targ_func_proto_typedef = find_btf_type(targ_btf, "func_proto_typedef", BTF_KIND_TYPEDEF);
+	exp->targ_arr_typedef = find_btf_type(targ_btf, "arr_typedef", BTF_KIND_TYPEDEF);
+
+	btf__free(targ_btf);
+	return 0;
+}
+
+static int setup_type_id_case_failure(struct core_reloc_test_case *test)
+{
+	struct core_reloc_type_id_output *exp = (void *)test->output;
+	int err;
+
+	err = setup_type_id_case_local(test);
+	if (err)
+		return err;
+
+	exp->targ_struct = 0;
+	exp->targ_union = 0;
+	exp->targ_enum = 0;
+	exp->targ_int = 0;
+	exp->targ_struct_typedef = 0;
+	exp->targ_func_proto_typedef = 0;
+	exp->targ_arr_typedef = 0;
+
+	return 0;
+}
+
+static int __trigger_module_test_read(const struct core_reloc_test_case *test)
+{
+	struct core_reloc_module_output *exp = (void *)test->output;
+
+	trigger_module_test_read(exp->len);
+	return 0;
+}
+
+static const struct core_reloc_test_case test_cases[] = {
+	/* validate we can find kernel image and use its BTF for relocs */
+	{
+		.case_name = "kernel",
+		.bpf_obj_file = "test_core_reloc_kernel.bpf.o",
+		.btf_src_file = NULL, /* load from /lib/modules/$(uname -r) */
+		.input = "",
+		.input_len = 0,
+		.output = STRUCT_TO_CHAR_PTR(core_reloc_kernel_output) {
+			.valid = { 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, },
+			.comm = "test_progs",
+			.comm_len = sizeof("test_progs"),
+			.local_task_struct_matches = true,
+		},
+		.output_len = sizeof(struct core_reloc_kernel_output),
+		.raw_tp_name = "sys_enter",
+		.prog_name = "test_core_kernel",
+	},
+
+	/* validate we can find kernel module BTF types for relocs/attach */
+	MODULES_CASE("module_probed", "test_core_module_probed", "bpf_testmod_test_read"),
+	MODULES_CASE("module_direct", "test_core_module_direct", NULL),
+
+	/* validate BPF program can use multiple flavors to match against
+	 * single target BTF type
+	 */
+	FLAVORS_CASE(flavors),
+
+	FLAVORS_ERR_CASE(flavors__err_wrong_name),
+
+	/* various struct/enum nesting and resolution scenarios */
+	NESTING_CASE(nesting),
+	NESTING_CASE(nesting___anon_embed),
+	NESTING_CASE(nesting___struct_union_mixup),
+	NESTING_CASE(nesting___extra_nesting),
+	NESTING_CASE(nesting___dup_compat_types),
+
+	NESTING_ERR_CASE(nesting___err_missing_field),
+	NESTING_ERR_CASE(nesting___err_array_field),
+	NESTING_ERR_CASE(nesting___err_missing_container),
+	NESTING_ERR_CASE(nesting___err_nonstruct_container),
+	NESTING_ERR_CASE(nesting___err_array_container),
+	NESTING_ERR_CASE(nesting___err_dup_incompat_types),
+	NESTING_ERR_CASE(nesting___err_partial_match_dups),
+	NESTING_ERR_CASE(nesting___err_too_deep),
+
+	/* various array access relocation scenarios */
+	ARRAYS_CASE(arrays),
+	ARRAYS_CASE(arrays___diff_arr_dim),
+	ARRAYS_CASE(arrays___diff_arr_val_sz),
+	ARRAYS_CASE(arrays___equiv_zero_sz_arr),
+	ARRAYS_CASE(arrays___fixed_arr),
+
+	ARRAYS_ERR_CASE(arrays___err_too_small),
+	ARRAYS_ERR_CASE(arrays___err_too_shallow),
+	ARRAYS_ERR_CASE(arrays___err_non_array),
+	ARRAYS_ERR_CASE(arrays___err_wrong_val_type),
+	ARRAYS_ERR_CASE(arrays___err_bad_zero_sz_arr),
+
+	/* enum/ptr/int handling scenarios */
+	PRIMITIVES_CASE(primitives),
+	PRIMITIVES_CASE(primitives___diff_enum_def),
+	PRIMITIVES_CASE(primitives___diff_func_proto),
+	PRIMITIVES_CASE(primitives___diff_ptr_type),
+
+	PRIMITIVES_ERR_CASE(primitives___err_non_enum),
+	PRIMITIVES_ERR_CASE(primitives___err_non_int),
+	PRIMITIVES_ERR_CASE(primitives___err_non_ptr),
+
+	/* const/volatile/restrict and typedefs scenarios */
+	MODS_CASE(mods),
+	MODS_CASE(mods___mod_swap),
+	MODS_CASE(mods___typedefs),
+
+	/* handling "ptr is an array" semantics */
+	PTR_AS_ARR_CASE(ptr_as_arr),
+	PTR_AS_ARR_CASE(ptr_as_arr___diff_sz),
+
+	/* int signedness/sizing/bitfield handling */
+	INTS_CASE(ints),
+	INTS_CASE(ints___bool),
+	INTS_CASE(ints___reverse_sign),
+
+	/* validate edge cases of capturing relocations */
+	{
+		.case_name = "misc",
+		.bpf_obj_file = "test_core_reloc_misc.bpf.o",
+		.btf_src_file = "btf__core_reloc_misc.bpf.o",
+		.input = (const char *)&(struct core_reloc_misc_extensible[]){
+			{ .a = 1 },
+			{ .a = 2 }, /* not read */
+			{ .a = 3 },
+		},
+		.input_len = 4 * sizeof(int),
+		.output = STRUCT_TO_CHAR_PTR(core_reloc_misc_output) {
+			.a = 1,
+			.b = 1,
+			.c = 0, /* BUG in clang, should be 3 */
+		},
+		.output_len = sizeof(struct core_reloc_misc_output),
+		.raw_tp_name = "sys_enter",
+		.prog_name = "test_core_misc",
+	},
+
+	/* validate field existence checks */
+	{
+		FIELD_EXISTS_CASE_COMMON(existence),
+		.input = STRUCT_TO_CHAR_PTR(core_reloc_existence) {
+			.a = 1,
+			.b = 2,
+			.c = 3,
+			.arr = { 4 },
+			.s = { .x = 5 },
+		},
+		.input_len = sizeof(struct core_reloc_existence),
+		.output = STRUCT_TO_CHAR_PTR(core_reloc_existence_output) {
+			.a_exists = 1,
+			.b_exists = 1,
+			.c_exists = 1,
+			.arr_exists = 1,
+			.s_exists = 1,
+			.a_value = 1,
+			.b_value = 2,
+			.c_value = 3,
+			.arr_value = 4,
+			.s_value = 5,
+		},
+		.output_len = sizeof(struct core_reloc_existence_output),
+	},
+	{
+		FIELD_EXISTS_CASE_COMMON(existence___minimal),
+		.input = STRUCT_TO_CHAR_PTR(core_reloc_existence___minimal) {
+			.a = 42,
+		},
+		.input_len = sizeof(struct core_reloc_existence___minimal),
+		.output = STRUCT_TO_CHAR_PTR(core_reloc_existence_output) {
+			.a_exists = 1,
+			.b_exists = 0,
+			.c_exists = 0,
+			.arr_exists = 0,
+			.s_exists = 0,
+			.a_value = 42,
+			.b_value = 0xff000002u,
+			.c_value = 0xff000003u,
+			.arr_value = 0xff000004u,
+			.s_value = 0xff000005u,
+		},
+		.output_len = sizeof(struct core_reloc_existence_output),
+	},
+	{
+		FIELD_EXISTS_CASE_COMMON(existence___wrong_field_defs),
+		.input = STRUCT_TO_CHAR_PTR(core_reloc_existence___wrong_field_defs) {
+		},
+		.input_len = sizeof(struct core_reloc_existence___wrong_field_defs),
+		.output = STRUCT_TO_CHAR_PTR(core_reloc_existence_output) {
+			.a_exists = 0,
+			.b_exists = 0,
+			.c_exists = 0,
+			.arr_exists = 0,
+			.s_exists = 0,
+			.a_value = 0xff000001u,
+			.b_value = 0xff000002u,
+			.c_value = 0xff000003u,
+			.arr_value = 0xff000004u,
+			.s_value = 0xff000005u,
+		},
+		.output_len = sizeof(struct core_reloc_existence_output),
+	},
+
+	/* bitfield relocation checks */
+	BITFIELDS_CASE(bitfields, {
+		.ub1 = 1,
+		.ub2 = 2,
+		.ub7 = 96,
+		.sb4 = -7,
+		.sb20 = -0x76543,
+		.u32 = 0x80000000,
+		.s32 = -0x76543210,
+	}),
+	BITFIELDS_CASE(bitfields___bit_sz_change, {
+		.ub1 = 6,
+		.ub2 = 0xABCDE,
+		.ub7 = 1,
+		.sb4 = -1,
+		.sb20 = -0x17654321,
+		.u32 = 0xBEEF,
+		.s32 = -0x3FEDCBA987654321LL,
+	}),
+	BITFIELDS_CASE(bitfields___bitfield_vs_int, {
+		.ub1 = 0xFEDCBA9876543210LL,
+		.ub2 = 0xA6,
+		.ub7 = -0x7EDCBA987654321LL,
+		.sb4 = -0x6123456789ABCDELL,
+		.sb20 = 0xD00DLL,
+		.u32 = -0x76543,
+		.s32 = 0x0ADEADBEEFBADB0BLL,
+	}),
+	BITFIELDS_CASE(bitfields___just_big_enough, {
+		.ub1 = 0xFLL,
+		.ub2 = 0x0812345678FEDCBALL,
+	}),
+	BITFIELDS_ERR_CASE(bitfields___err_too_big_bitfield),
+
+	/* field size and offset relocation checks */
+	SIZE_CASE(size),
+	SIZE_CASE(size___diff_sz),
+	SIZE_CASE(size___diff_offs),
+	SIZE_ERR_CASE(size___err_ambiguous),
+
+	/* validate type existence, match, and size relocations */
+	TYPE_BASED_CASE(type_based, {
+		.struct_exists = 1,
+		.complex_struct_exists = 1,
+		.union_exists = 1,
+		.enum_exists = 1,
+		.typedef_named_struct_exists = 1,
+		.typedef_anon_struct_exists = 1,
+		.typedef_struct_ptr_exists = 1,
+		.typedef_int_exists = 1,
+		.typedef_enum_exists = 1,
+		.typedef_void_ptr_exists = 1,
+		.typedef_restrict_ptr_exists = 1,
+		.typedef_func_proto_exists = 1,
+		.typedef_arr_exists = 1,
+
+		.struct_matches = 1,
+		.complex_struct_matches = 1,
+		.union_matches = 1,
+		.enum_matches = 1,
+		.typedef_named_struct_matches = 1,
+		.typedef_anon_struct_matches = 1,
+		.typedef_struct_ptr_matches = 1,
+		.typedef_int_matches = 1,
+		.typedef_enum_matches = 1,
+		.typedef_void_ptr_matches = 1,
+		.typedef_restrict_ptr_matches = 1,
+		.typedef_func_proto_matches = 1,
+		.typedef_arr_matches = 1,
+
+		.struct_sz = sizeof(struct a_struct),
+		.union_sz = sizeof(union a_union),
+		.enum_sz = sizeof(enum an_enum),
+		.typedef_named_struct_sz = sizeof(named_struct_typedef),
+		.typedef_anon_struct_sz = sizeof(anon_struct_typedef),
+		.typedef_struct_ptr_sz = sizeof(struct_ptr_typedef),
+		.typedef_int_sz = sizeof(int_typedef),
+		.typedef_enum_sz = sizeof(enum_typedef),
+		.typedef_void_ptr_sz = sizeof(void_ptr_typedef),
+		.typedef_func_proto_sz = sizeof(func_proto_typedef),
+		.typedef_arr_sz = sizeof(arr_typedef),
+	}),
+	TYPE_BASED_CASE(type_based___all_missing, {
+		/* all zeros */
+	}),
+	TYPE_BASED_CASE(type_based___diff, {
+		.struct_exists = 1,
+		.complex_struct_exists = 1,
+		.union_exists = 1,
+		.enum_exists = 1,
+		.typedef_named_struct_exists = 1,
+		.typedef_anon_struct_exists = 1,
+		.typedef_struct_ptr_exists = 1,
+		.typedef_int_exists = 1,
+		.typedef_enum_exists = 1,
+		.typedef_void_ptr_exists = 1,
+		.typedef_func_proto_exists = 1,
+		.typedef_arr_exists = 1,
+
+		.struct_matches = 1,
+		.complex_struct_matches = 1,
+		.union_matches = 1,
+		.enum_matches = 1,
+		.typedef_named_struct_matches = 1,
+		.typedef_anon_struct_matches = 1,
+		.typedef_struct_ptr_matches = 1,
+		.typedef_int_matches = 0,
+		.typedef_enum_matches = 1,
+		.typedef_void_ptr_matches = 1,
+		.typedef_func_proto_matches = 0,
+		.typedef_arr_matches = 0,
+
+		.struct_sz = sizeof(struct a_struct___diff),
+		.union_sz = sizeof(union a_union___diff),
+		.enum_sz = sizeof(enum an_enum___diff),
+		.typedef_named_struct_sz = sizeof(named_struct_typedef___diff),
+		.typedef_anon_struct_sz = sizeof(anon_struct_typedef___diff),
+		.typedef_struct_ptr_sz = sizeof(struct_ptr_typedef___diff),
+		.typedef_int_sz = sizeof(int_typedef___diff),
+		.typedef_enum_sz = sizeof(enum_typedef___diff),
+		.typedef_void_ptr_sz = sizeof(void_ptr_typedef___diff),
+		.typedef_func_proto_sz = sizeof(func_proto_typedef___diff),
+		.typedef_arr_sz = sizeof(arr_typedef___diff),
+	}),
+	TYPE_BASED_CASE(type_based___diff_sz, {
+		.struct_exists = 1,
+		.union_exists = 1,
+		.enum_exists = 1,
+		.typedef_named_struct_exists = 1,
+		.typedef_anon_struct_exists = 1,
+		.typedef_struct_ptr_exists = 1,
+		.typedef_int_exists = 1,
+		.typedef_enum_exists = 1,
+		.typedef_void_ptr_exists = 1,
+		.typedef_func_proto_exists = 1,
+		.typedef_arr_exists = 1,
+
+		.struct_matches = 0,
+		.union_matches = 0,
+		.enum_matches = 0,
+		.typedef_named_struct_matches = 0,
+		.typedef_anon_struct_matches = 0,
+		.typedef_struct_ptr_matches = 1,
+		.typedef_int_matches = 0,
+		.typedef_enum_matches = 0,
+		.typedef_void_ptr_matches = 1,
+		.typedef_func_proto_matches = 0,
+		.typedef_arr_matches = 0,
+
+		.struct_sz = sizeof(struct a_struct___diff_sz),
+		.union_sz = sizeof(union a_union___diff_sz),
+		.enum_sz = sizeof(enum an_enum___diff_sz),
+		.typedef_named_struct_sz = sizeof(named_struct_typedef___diff_sz),
+		.typedef_anon_struct_sz = sizeof(anon_struct_typedef___diff_sz),
+		.typedef_struct_ptr_sz = sizeof(struct_ptr_typedef___diff_sz),
+		.typedef_int_sz = sizeof(int_typedef___diff_sz),
+		.typedef_enum_sz = sizeof(enum_typedef___diff_sz),
+		.typedef_void_ptr_sz = sizeof(void_ptr_typedef___diff_sz),
+		.typedef_func_proto_sz = sizeof(func_proto_typedef___diff_sz),
+		.typedef_arr_sz = sizeof(arr_typedef___diff_sz),
+	}),
+	TYPE_BASED_CASE(type_based___incompat, {
+		.enum_exists = 1,
+		.enum_matches = 1,
+		.enum_sz = sizeof(enum an_enum),
+	}),
+	TYPE_BASED_CASE(type_based___fn_wrong_args, {
+		.struct_exists = 1,
+		.struct_matches = 1,
+		.struct_sz = sizeof(struct a_struct),
+	}),
+
+	/* BTF_TYPE_ID_LOCAL/BTF_TYPE_ID_TARGET tests */
+	TYPE_ID_CASE(type_id, setup_type_id_case_success),
+	TYPE_ID_CASE(type_id___missing_targets, setup_type_id_case_failure),
+
+	/* Enumerator value existence and value relocations */
+	ENUMVAL_CASE(enumval, {
+		.named_val1_exists = true,
+		.named_val2_exists = true,
+		.named_val3_exists = true,
+		.anon_val1_exists = true,
+		.anon_val2_exists = true,
+		.anon_val3_exists = true,
+		.named_val1 = 1,
+		.named_val2 = 2,
+		.anon_val1 = 0x10,
+		.anon_val2 = 0x20,
+	}),
+	ENUMVAL_CASE(enumval___diff, {
+		.named_val1_exists = true,
+		.named_val2_exists = true,
+		.named_val3_exists = true,
+		.anon_val1_exists = true,
+		.anon_val2_exists = true,
+		.anon_val3_exists = true,
+		.named_val1 = 101,
+		.named_val2 = 202,
+		.anon_val1 = 0x11,
+		.anon_val2 = 0x22,
+	}),
+	ENUMVAL_CASE(enumval___val3_missing, {
+		.named_val1_exists = true,
+		.named_val2_exists = true,
+		.named_val3_exists = false,
+		.anon_val1_exists = true,
+		.anon_val2_exists = true,
+		.anon_val3_exists = false,
+		.named_val1 = 111,
+		.named_val2 = 222,
+		.anon_val1 = 0x111,
+		.anon_val2 = 0x222,
+	}),
+	ENUMVAL_ERR_CASE(enumval___err_missing),
+
+	/* 64bit enumerator value existence and value relocations */
+	ENUM64VAL_CASE(enum64val, {
+		.unsigned_val1_exists = true,
+		.unsigned_val2_exists = true,
+		.unsigned_val3_exists = true,
+		.signed_val1_exists = true,
+		.signed_val2_exists = true,
+		.signed_val3_exists = true,
+		.unsigned_val1 = 0x1ffffffffULL,
+		.unsigned_val2 = 0x2,
+		.signed_val1 = 0x1ffffffffLL,
+		.signed_val2 = -2,
+	}),
+	ENUM64VAL_CASE(enum64val___diff, {
+		.unsigned_val1_exists = true,
+		.unsigned_val2_exists = true,
+		.unsigned_val3_exists = true,
+		.signed_val1_exists = true,
+		.signed_val2_exists = true,
+		.signed_val3_exists = true,
+		.unsigned_val1 = 0x101ffffffffULL,
+		.unsigned_val2 = 0x202ffffffffULL,
+		.signed_val1 = -101,
+		.signed_val2 = -202,
+	}),
+	ENUM64VAL_CASE(enum64val___val3_missing, {
+		.unsigned_val1_exists = true,
+		.unsigned_val2_exists = true,
+		.unsigned_val3_exists = false,
+		.signed_val1_exists = true,
+		.signed_val2_exists = true,
+		.signed_val3_exists = false,
+		.unsigned_val1 = 0x111ffffffffULL,
+		.unsigned_val2 = 0x222,
+		.signed_val1 = 0x111ffffffffLL,
+		.signed_val2 = -222,
+	}),
+	ENUM64VAL_ERR_CASE(enum64val___err_missing),
+};
+
+struct data {
+	char in[256];
+	char out[256];
+	bool skip;
+	uint64_t my_pid_tgid;
+};
+
+static size_t roundup_page(size_t sz)
+{
+	long page_size = sysconf(_SC_PAGE_SIZE);
+	return (sz + page_size - 1) / page_size * page_size;
+}
+
+static int run_btfgen(const char *src_btf, const char *dst_btf, const char *objpath)
+{
+	char command[4096];
+	int n;
+
+	n = snprintf(command, sizeof(command),
+		     "./bpftool gen min_core_btf %s %s %s",
+		     src_btf, dst_btf, objpath);
+	if (n < 0 || n >= sizeof(command))
+		return -1;
+
+	return system(command);
+}
+
+static void run_core_reloc_tests(bool use_btfgen)
+{
+	const size_t mmap_sz = roundup_page(sizeof(struct data));
+	DECLARE_LIBBPF_OPTS(bpf_object_open_opts, open_opts);
+	struct core_reloc_test_case *test_case, test_case_copy;
+	const char *tp_name, *probe_name;
+	int err, i, equal, fd;
+	struct bpf_link *link = NULL;
+	struct bpf_map *data_map;
+	struct bpf_program *prog;
+	struct bpf_object *obj;
+	uint64_t my_pid_tgid;
+	struct data *data;
+	void *mmap_data = NULL;
+
+	my_pid_tgid = getpid() | ((uint64_t)syscall(SYS_gettid) << 32);
+
+	for (i = 0; i < ARRAY_SIZE(test_cases); i++) {
+		char btf_file[] = "/tmp/core_reloc.btf.XXXXXX";
+
+		test_case_copy = test_cases[i];
+		test_case = &test_case_copy;
+
+		if (!test__start_subtest(test_case->case_name))
+			continue;
+
+		if (test_case->needs_testmod && !env.has_testmod) {
+			test__skip();
+			continue;
+		}
+
+		/* generate a "minimal" BTF file and use it as source */
+		if (use_btfgen) {
+
+			if (!test_case->btf_src_file || test_case->run_btfgen_fails) {
+				test__skip();
+				continue;
+			}
+
+			fd = mkstemp(btf_file);
+			if (!ASSERT_GE(fd, 0, "btf_tmp"))
+				continue;
+			close(fd); /* we only need the path */
+			err = run_btfgen(test_case->btf_src_file, btf_file,
+					 test_case->bpf_obj_file);
+			if (!ASSERT_OK(err, "run_btfgen"))
+				continue;
+
+			test_case->btf_src_file = btf_file;
+		}
+
+		if (test_case->setup) {
+			err = test_case->setup(test_case);
+			if (CHECK(err, "test_setup", "test #%d setup failed: %d\n", i, err))
+				continue;
+		}
+
+		if (test_case->btf_src_file) {
+			err = access(test_case->btf_src_file, R_OK);
+			if (!ASSERT_OK(err, "btf_src_file"))
+				continue;
+		}
+
+		open_opts.btf_custom_path = test_case->btf_src_file;
+		obj = bpf_object__open_file(test_case->bpf_obj_file, &open_opts);
+		if (!ASSERT_OK_PTR(obj, "obj_open"))
+			goto cleanup;
+
+		probe_name = test_case->prog_name;
+		tp_name = test_case->raw_tp_name; /* NULL for tp_btf */
+		prog = bpf_object__find_program_by_name(obj, probe_name);
+		if (CHECK(!prog, "find_probe",
+			  "prog '%s' not found\n", probe_name))
+			goto cleanup;
+
+		err = bpf_object__load(obj);
+		if (err) {
+			if (!test_case->fails)
+				ASSERT_OK(err, "obj_load");
+			goto cleanup;
+		}
+
+		data_map = bpf_object__find_map_by_name(obj, ".bss");
+		if (CHECK(!data_map, "find_data_map", "data map not found\n"))
+			goto cleanup;
+
+		mmap_data = mmap(NULL, mmap_sz, PROT_READ | PROT_WRITE,
+				 MAP_SHARED, bpf_map__fd(data_map), 0);
+		if (CHECK(mmap_data == MAP_FAILED, "mmap",
+			  ".bss mmap failed: %d", errno)) {
+			mmap_data = NULL;
+			goto cleanup;
+		}
+		data = mmap_data;
+
+		memset(mmap_data, 0, sizeof(*data));
+		if (test_case->input_len)
+			memcpy(data->in, test_case->input, test_case->input_len);
+		data->my_pid_tgid = my_pid_tgid;
+
+		link = bpf_program__attach_raw_tracepoint(prog, tp_name);
+		if (!ASSERT_OK_PTR(link, "attach_raw_tp"))
+			goto cleanup;
+
+		/* trigger test run */
+		if (test_case->trigger) {
+			if (!ASSERT_OK(test_case->trigger(test_case), "test_trigger"))
+				goto cleanup;
+		} else {
+			usleep(1);
+		}
+
+		if (data->skip) {
+			test__skip();
+			goto cleanup;
+		}
+
+		if (!ASSERT_FALSE(test_case->fails, "obj_load_should_fail"))
+			goto cleanup;
+
+		equal = memcmp(data->out, test_case->output,
+			       test_case->output_len) == 0;
+		if (CHECK(!equal, "check_result",
+			  "input/output data don't match\n")) {
+			int j;
+
+			for (j = 0; j < test_case->input_len; j++) {
+				printf("input byte #%d: 0x%02hhx\n",
+				       j, test_case->input[j]);
+			}
+			for (j = 0; j < test_case->output_len; j++) {
+				printf("output byte #%d: EXP 0x%02hhx GOT 0x%02hhx\n",
+				       j, test_case->output[j], data->out[j]);
+			}
+			goto cleanup;
+		}
+
+cleanup:
+		if (mmap_data) {
+			CHECK_FAIL(munmap(mmap_data, mmap_sz));
+			mmap_data = NULL;
+		}
+		if (use_btfgen)
+			remove(test_case->btf_src_file);
+		bpf_link__destroy(link);
+		link = NULL;
+		bpf_object__close(obj);
+	}
+}
+
+void test_core_reloc(void)
+{
+	run_core_reloc_tests(false);
+}
+
+void test_core_reloc_btfgen(void)
+{
+	run_core_reloc_tests(true);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/core_retro.c b/tools/testing/selftests/bpf/prog_tests/core_retro.c
new file mode 100644
index 000000000..4a2c256c8
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/core_retro.c
@@ -0,0 +1,38 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (c) 2020 Facebook
+#define _GNU_SOURCE
+#include <test_progs.h>
+#include "test_core_retro.skel.h"
+
+void test_core_retro(void)
+{
+	int err, zero = 0, res, my_pid = getpid();
+	struct test_core_retro *skel;
+
+	/* load program */
+	skel = test_core_retro__open_and_load();
+	if (!ASSERT_OK_PTR(skel, "skel_load"))
+		goto out_close;
+
+	err = bpf_map__update_elem(skel->maps.exp_tgid_map, &zero, sizeof(zero),
+				   &my_pid, sizeof(my_pid), 0);
+	if (!ASSERT_OK(err, "map_update"))
+		goto out_close;
+
+	/* attach probe */
+	err = test_core_retro__attach(skel);
+	if (!ASSERT_OK(err, "attach_kprobe"))
+		goto out_close;
+
+	/* trigger */
+	usleep(1);
+
+	err = bpf_map__lookup_elem(skel->maps.results, &zero, sizeof(zero), &res, sizeof(res), 0);
+	if (!ASSERT_OK(err, "map_lookup"))
+		goto out_close;
+
+	ASSERT_EQ(res, my_pid, "pid_check");
+
+out_close:
+	test_core_retro__destroy(skel);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/cpu_mask.c b/tools/testing/selftests/bpf/prog_tests/cpu_mask.c
new file mode 100644
index 000000000..f7c7e2523
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/cpu_mask.c
@@ -0,0 +1,78 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <test_progs.h>
+#include <bpf/btf.h>
+#include "bpf/libbpf_internal.h"
+
+static int duration = 0;
+
+static void validate_mask(int case_nr, const char *exp, bool *mask, int n)
+{
+	int i;
+
+	for (i = 0; exp[i]; i++) {
+		if (exp[i] == '1') {
+			if (CHECK(i + 1 > n, "mask_short",
+				  "case #%d: mask too short, got n=%d, need at least %d\n",
+				  case_nr, n, i + 1))
+				return;
+			CHECK(!mask[i], "cpu_not_set",
+			      "case #%d: mask differs, expected cpu#%d SET\n",
+			      case_nr, i);
+		} else {
+			CHECK(i < n && mask[i], "cpu_set",
+			      "case #%d: mask differs, expected cpu#%d UNSET\n",
+			      case_nr, i);
+		}
+	}
+	CHECK(i < n, "mask_long",
+	      "case #%d: mask too long, got n=%d, expected at most %d\n",
+	      case_nr, n, i);
+}
+
+static struct {
+	const char *cpu_mask;
+	const char *expect;
+	bool fails;
+} test_cases[] = {
+	{ "0\n", "1", false },
+	{ "0,2\n", "101", false },
+	{ "0-2\n", "111", false },
+	{ "0-2,3-4\n", "11111", false },
+	{ "0", "1", false },
+	{ "0-2", "111", false },
+	{ "0,2", "101", false },
+	{ "0,1-3", "1111", false },
+	{ "0,1,2,3", "1111", false },
+	{ "0,2-3,5", "101101", false },
+	{ "3-3", "0001", false },
+	{ "2-4,6,9-10", "00111010011", false },
+	/* failure cases */
+	{ "", "", true },
+	{ "0-", "", true },
+	{ "0 ", "", true },
+	{ "0_1", "", true },
+	{ "1-0", "", true },
+	{ "-1", "", true },
+};
+
+void test_cpu_mask()
+{
+	int i, err, n;
+	bool *mask;
+
+	for (i = 0; i < ARRAY_SIZE(test_cases); i++) {
+		mask = NULL;
+		err = parse_cpu_mask_str(test_cases[i].cpu_mask, &mask, &n);
+		if (test_cases[i].fails) {
+			CHECK(!err, "should_fail",
+			      "case #%d: parsing should fail!\n", i + 1);
+		} else {
+			if (CHECK(err, "parse_err",
+				  "case #%d: cpu mask parsing failed: %d\n",
+				  i + 1, err))
+				continue;
+			validate_mask(i + 1, test_cases[i].expect, mask, n);
+		}
+		free(mask);
+	}
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/custom_sec_handlers.c b/tools/testing/selftests/bpf/prog_tests/custom_sec_handlers.c
new file mode 100644
index 000000000..b2dfc5954
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/custom_sec_handlers.c
@@ -0,0 +1,176 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2022 Facebook */
+
+#include <test_progs.h>
+#include "test_custom_sec_handlers.skel.h"
+
+#define COOKIE_ABC1 1
+#define COOKIE_ABC2 2
+#define COOKIE_CUSTOM 3
+#define COOKIE_FALLBACK 4
+#define COOKIE_KPROBE 5
+
+static int custom_setup_prog(struct bpf_program *prog, long cookie)
+{
+	if (cookie == COOKIE_ABC1)
+		bpf_program__set_autoload(prog, false);
+
+	return 0;
+}
+
+static int custom_prepare_load_prog(struct bpf_program *prog,
+				    struct bpf_prog_load_opts *opts, long cookie)
+{
+	if (cookie == COOKIE_FALLBACK)
+		opts->prog_flags |= BPF_F_SLEEPABLE;
+	else if (cookie == COOKIE_ABC1)
+		ASSERT_FALSE(true, "unexpected preload for abc");
+
+	return 0;
+}
+
+static int custom_attach_prog(const struct bpf_program *prog, long cookie,
+			      struct bpf_link **link)
+{
+	switch (cookie) {
+	case COOKIE_ABC2:
+		*link = bpf_program__attach_raw_tracepoint(prog, "sys_enter");
+		return libbpf_get_error(*link);
+	case COOKIE_CUSTOM:
+		*link = bpf_program__attach_tracepoint(prog, "syscalls", "sys_enter_nanosleep");
+		return libbpf_get_error(*link);
+	case COOKIE_KPROBE:
+	case COOKIE_FALLBACK:
+		/* no auto-attach for SEC("xyz") and SEC("kprobe") */
+		*link = NULL;
+		return 0;
+	default:
+		ASSERT_FALSE(true, "unexpected cookie");
+		return -EINVAL;
+	}
+}
+
+static int abc1_id;
+static int abc2_id;
+static int custom_id;
+static int fallback_id;
+static int kprobe_id;
+
+__attribute__((constructor))
+static void register_sec_handlers(void)
+{
+	LIBBPF_OPTS(libbpf_prog_handler_opts, abc1_opts,
+		.cookie = COOKIE_ABC1,
+		.prog_setup_fn = custom_setup_prog,
+		.prog_prepare_load_fn = custom_prepare_load_prog,
+		.prog_attach_fn = NULL,
+	);
+	LIBBPF_OPTS(libbpf_prog_handler_opts, abc2_opts,
+		.cookie = COOKIE_ABC2,
+		.prog_setup_fn = custom_setup_prog,
+		.prog_prepare_load_fn = custom_prepare_load_prog,
+		.prog_attach_fn = custom_attach_prog,
+	);
+	LIBBPF_OPTS(libbpf_prog_handler_opts, custom_opts,
+		.cookie = COOKIE_CUSTOM,
+		.prog_setup_fn = NULL,
+		.prog_prepare_load_fn = NULL,
+		.prog_attach_fn = custom_attach_prog,
+	);
+
+	abc1_id = libbpf_register_prog_handler("abc", BPF_PROG_TYPE_RAW_TRACEPOINT, 0, &abc1_opts);
+	abc2_id = libbpf_register_prog_handler("abc/", BPF_PROG_TYPE_RAW_TRACEPOINT, 0, &abc2_opts);
+	custom_id = libbpf_register_prog_handler("custom+", BPF_PROG_TYPE_TRACEPOINT, 0, &custom_opts);
+}
+
+__attribute__((destructor))
+static void unregister_sec_handlers(void)
+{
+	libbpf_unregister_prog_handler(abc1_id);
+	libbpf_unregister_prog_handler(abc2_id);
+	libbpf_unregister_prog_handler(custom_id);
+}
+
+void test_custom_sec_handlers(void)
+{
+	LIBBPF_OPTS(libbpf_prog_handler_opts, opts,
+		.prog_setup_fn = custom_setup_prog,
+		.prog_prepare_load_fn = custom_prepare_load_prog,
+		.prog_attach_fn = custom_attach_prog,
+	);
+	struct test_custom_sec_handlers* skel;
+	int err;
+
+	ASSERT_GT(abc1_id, 0, "abc1_id");
+	ASSERT_GT(abc2_id, 0, "abc2_id");
+	ASSERT_GT(custom_id, 0, "custom_id");
+
+	/* override libbpf's handle of SEC("kprobe/...") but also allow pure
+	 * SEC("kprobe") due to "kprobe+" specifier. Register it as
+	 * TRACEPOINT, just for fun.
+	 */
+	opts.cookie = COOKIE_KPROBE;
+	kprobe_id = libbpf_register_prog_handler("kprobe+", BPF_PROG_TYPE_TRACEPOINT, 0, &opts);
+	/* fallback treats everything as BPF_PROG_TYPE_SYSCALL program to test
+	 * setting custom BPF_F_SLEEPABLE bit in preload handler
+	 */
+	opts.cookie = COOKIE_FALLBACK;
+	fallback_id = libbpf_register_prog_handler(NULL, BPF_PROG_TYPE_SYSCALL, 0, &opts);
+
+	if (!ASSERT_GT(fallback_id, 0, "fallback_id") /* || !ASSERT_GT(kprobe_id, 0, "kprobe_id")*/) {
+		if (fallback_id > 0)
+			libbpf_unregister_prog_handler(fallback_id);
+		if (kprobe_id > 0)
+			libbpf_unregister_prog_handler(kprobe_id);
+		return;
+	}
+
+	/* open skeleton and validate assumptions */
+	skel = test_custom_sec_handlers__open();
+	if (!ASSERT_OK_PTR(skel, "skel_open"))
+		goto cleanup;
+
+	ASSERT_EQ(bpf_program__type(skel->progs.abc1), BPF_PROG_TYPE_RAW_TRACEPOINT, "abc1_type");
+	ASSERT_FALSE(bpf_program__autoload(skel->progs.abc1), "abc1_autoload");
+
+	ASSERT_EQ(bpf_program__type(skel->progs.abc2), BPF_PROG_TYPE_RAW_TRACEPOINT, "abc2_type");
+	ASSERT_EQ(bpf_program__type(skel->progs.custom1), BPF_PROG_TYPE_TRACEPOINT, "custom1_type");
+	ASSERT_EQ(bpf_program__type(skel->progs.custom2), BPF_PROG_TYPE_TRACEPOINT, "custom2_type");
+	ASSERT_EQ(bpf_program__type(skel->progs.kprobe1), BPF_PROG_TYPE_TRACEPOINT, "kprobe1_type");
+	ASSERT_EQ(bpf_program__type(skel->progs.xyz), BPF_PROG_TYPE_SYSCALL, "xyz_type");
+
+	skel->rodata->my_pid = getpid();
+
+	/* now attempt to load everything */
+	err = test_custom_sec_handlers__load(skel);
+	if (!ASSERT_OK(err, "skel_load"))
+		goto cleanup;
+
+	/* now try to auto-attach everything */
+	err = test_custom_sec_handlers__attach(skel);
+	if (!ASSERT_OK(err, "skel_attach"))
+		goto cleanup;
+
+	skel->links.xyz = bpf_program__attach(skel->progs.kprobe1);
+	ASSERT_EQ(errno, EOPNOTSUPP, "xyz_attach_err");
+	ASSERT_ERR_PTR(skel->links.xyz, "xyz_attach");
+
+	/* trigger programs */
+	usleep(1);
+
+	/* SEC("abc") is set to not auto-loaded */
+	ASSERT_FALSE(skel->bss->abc1_called, "abc1_called");
+	ASSERT_TRUE(skel->bss->abc2_called, "abc2_called");
+	ASSERT_TRUE(skel->bss->custom1_called, "custom1_called");
+	ASSERT_TRUE(skel->bss->custom2_called, "custom2_called");
+	/* SEC("kprobe") shouldn't be auto-attached */
+	ASSERT_FALSE(skel->bss->kprobe1_called, "kprobe1_called");
+	/* SEC("xyz") shouldn't be auto-attached */
+	ASSERT_FALSE(skel->bss->xyz_called, "xyz_called");
+
+cleanup:
+	test_custom_sec_handlers__destroy(skel);
+
+	ASSERT_OK(libbpf_unregister_prog_handler(fallback_id), "unregister_fallback");
+	ASSERT_OK(libbpf_unregister_prog_handler(kprobe_id), "unregister_kprobe");
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/d_path.c b/tools/testing/selftests/bpf/prog_tests/d_path.c
new file mode 100644
index 000000000..911345c52
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/d_path.c
@@ -0,0 +1,191 @@
+// SPDX-License-Identifier: GPL-2.0
+#define _GNU_SOURCE
+#include <test_progs.h>
+#include <sys/stat.h>
+#include <linux/sched.h>
+#include <sys/syscall.h>
+
+#define MAX_PATH_LEN		128
+#define MAX_FILES		7
+
+#include "test_d_path.skel.h"
+#include "test_d_path_check_rdonly_mem.skel.h"
+#include "test_d_path_check_types.skel.h"
+
+static int duration;
+
+static struct {
+	__u32 cnt;
+	char paths[MAX_FILES][MAX_PATH_LEN];
+} src;
+
+static int set_pathname(int fd, pid_t pid)
+{
+	char buf[MAX_PATH_LEN];
+
+	snprintf(buf, MAX_PATH_LEN, "/proc/%d/fd/%d", pid, fd);
+	return readlink(buf, src.paths[src.cnt++], MAX_PATH_LEN);
+}
+
+static int trigger_fstat_events(pid_t pid)
+{
+	int sockfd = -1, procfd = -1, devfd = -1;
+	int localfd = -1, indicatorfd = -1;
+	int pipefd[2] = { -1, -1 };
+	struct stat fileStat;
+	int ret = -1;
+
+	/* unmountable pseudo-filesystems */
+	if (CHECK(pipe(pipefd) < 0, "trigger", "pipe failed\n"))
+		return ret;
+	/* unmountable pseudo-filesystems */
+	sockfd = socket(AF_INET, SOCK_STREAM, 0);
+	if (CHECK(sockfd < 0, "trigger", "socket failed\n"))
+		goto out_close;
+	/* mountable pseudo-filesystems */
+	procfd = open("/proc/self/comm", O_RDONLY);
+	if (CHECK(procfd < 0, "trigger", "open /proc/self/comm failed\n"))
+		goto out_close;
+	devfd = open("/dev/urandom", O_RDONLY);
+	if (CHECK(devfd < 0, "trigger", "open /dev/urandom failed\n"))
+		goto out_close;
+	localfd = open("/tmp/d_path_loadgen.txt", O_CREAT | O_RDONLY, 0644);
+	if (CHECK(localfd < 0, "trigger", "open /tmp/d_path_loadgen.txt failed\n"))
+		goto out_close;
+	/* bpf_d_path will return path with (deleted) */
+	remove("/tmp/d_path_loadgen.txt");
+	indicatorfd = open("/tmp/", O_PATH);
+	if (CHECK(indicatorfd < 0, "trigger", "open /tmp/ failed\n"))
+		goto out_close;
+
+	ret = set_pathname(pipefd[0], pid);
+	if (CHECK(ret < 0, "trigger", "set_pathname failed for pipe[0]\n"))
+		goto out_close;
+	ret = set_pathname(pipefd[1], pid);
+	if (CHECK(ret < 0, "trigger", "set_pathname failed for pipe[1]\n"))
+		goto out_close;
+	ret = set_pathname(sockfd, pid);
+	if (CHECK(ret < 0, "trigger", "set_pathname failed for socket\n"))
+		goto out_close;
+	ret = set_pathname(procfd, pid);
+	if (CHECK(ret < 0, "trigger", "set_pathname failed for proc\n"))
+		goto out_close;
+	ret = set_pathname(devfd, pid);
+	if (CHECK(ret < 0, "trigger", "set_pathname failed for dev\n"))
+		goto out_close;
+	ret = set_pathname(localfd, pid);
+	if (CHECK(ret < 0, "trigger", "set_pathname failed for file\n"))
+		goto out_close;
+	ret = set_pathname(indicatorfd, pid);
+	if (CHECK(ret < 0, "trigger", "set_pathname failed for dir\n"))
+		goto out_close;
+
+	/* triggers vfs_getattr */
+	fstat(pipefd[0], &fileStat);
+	fstat(pipefd[1], &fileStat);
+	fstat(sockfd, &fileStat);
+	fstat(procfd, &fileStat);
+	fstat(devfd, &fileStat);
+	fstat(localfd, &fileStat);
+	fstat(indicatorfd, &fileStat);
+
+out_close:
+	/* triggers filp_close */
+	close(pipefd[0]);
+	close(pipefd[1]);
+	close(sockfd);
+	close(procfd);
+	close(devfd);
+	close(localfd);
+	close(indicatorfd);
+	return ret;
+}
+
+static void test_d_path_basic(void)
+{
+	struct test_d_path__bss *bss;
+	struct test_d_path *skel;
+	int err;
+
+	skel = test_d_path__open_and_load();
+	if (CHECK(!skel, "setup", "d_path skeleton failed\n"))
+		goto cleanup;
+
+	err = test_d_path__attach(skel);
+	if (CHECK(err, "setup", "attach failed: %d\n", err))
+		goto cleanup;
+
+	bss = skel->bss;
+	bss->my_pid = getpid();
+
+	err = trigger_fstat_events(bss->my_pid);
+	if (err < 0)
+		goto cleanup;
+
+	if (CHECK(!bss->called_stat,
+		  "stat",
+		  "trampoline for security_inode_getattr was not called\n"))
+		goto cleanup;
+
+	if (CHECK(!bss->called_close,
+		  "close",
+		  "trampoline for filp_close was not called\n"))
+		goto cleanup;
+
+	for (int i = 0; i < MAX_FILES; i++) {
+		CHECK(strncmp(src.paths[i], bss->paths_stat[i], MAX_PATH_LEN),
+		      "check",
+		      "failed to get stat path[%d]: %s vs %s\n",
+		      i, src.paths[i], bss->paths_stat[i]);
+		CHECK(strncmp(src.paths[i], bss->paths_close[i], MAX_PATH_LEN),
+		      "check",
+		      "failed to get close path[%d]: %s vs %s\n",
+		      i, src.paths[i], bss->paths_close[i]);
+		/* The d_path helper returns size plus NUL char, hence + 1 */
+		CHECK(bss->rets_stat[i] != strlen(bss->paths_stat[i]) + 1,
+		      "check",
+		      "failed to match stat return [%d]: %d vs %zd [%s]\n",
+		      i, bss->rets_stat[i], strlen(bss->paths_stat[i]) + 1,
+		      bss->paths_stat[i]);
+		CHECK(bss->rets_close[i] != strlen(bss->paths_stat[i]) + 1,
+		      "check",
+		      "failed to match stat return [%d]: %d vs %zd [%s]\n",
+		      i, bss->rets_close[i], strlen(bss->paths_close[i]) + 1,
+		      bss->paths_stat[i]);
+	}
+
+cleanup:
+	test_d_path__destroy(skel);
+}
+
+static void test_d_path_check_rdonly_mem(void)
+{
+	struct test_d_path_check_rdonly_mem *skel;
+
+	skel = test_d_path_check_rdonly_mem__open_and_load();
+	ASSERT_ERR_PTR(skel, "unexpected_load_overwriting_rdonly_mem");
+
+	test_d_path_check_rdonly_mem__destroy(skel);
+}
+
+static void test_d_path_check_types(void)
+{
+	struct test_d_path_check_types *skel;
+
+	skel = test_d_path_check_types__open_and_load();
+	ASSERT_ERR_PTR(skel, "unexpected_load_passing_wrong_type");
+
+	test_d_path_check_types__destroy(skel);
+}
+
+void test_d_path(void)
+{
+	if (test__start_subtest("basic"))
+		test_d_path_basic();
+
+	if (test__start_subtest("check_rdonly_mem"))
+		test_d_path_check_rdonly_mem();
+
+	if (test__start_subtest("check_alloc_mem"))
+		test_d_path_check_types();
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/deny_namespace.c b/tools/testing/selftests/bpf/prog_tests/deny_namespace.c
new file mode 100644
index 000000000..1bc6241b7
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/deny_namespace.c
@@ -0,0 +1,102 @@
+// SPDX-License-Identifier: GPL-2.0
+#define _GNU_SOURCE
+#include <test_progs.h>
+#include "test_deny_namespace.skel.h"
+#include <sched.h>
+#include "cap_helpers.h"
+#include <stdio.h>
+
+static int wait_for_pid(pid_t pid)
+{
+	int status, ret;
+
+again:
+	ret = waitpid(pid, &status, 0);
+	if (ret == -1) {
+		if (errno == EINTR)
+			goto again;
+
+		return -1;
+	}
+
+	if (!WIFEXITED(status))
+		return -1;
+
+	return WEXITSTATUS(status);
+}
+
+/* negative return value -> some internal error
+ * positive return value -> userns creation failed
+ * 0                     -> userns creation succeeded
+ */
+static int create_user_ns(void)
+{
+	pid_t pid;
+
+	pid = fork();
+	if (pid < 0)
+		return -1;
+
+	if (pid == 0) {
+		if (unshare(CLONE_NEWUSER))
+			_exit(EXIT_FAILURE);
+		_exit(EXIT_SUCCESS);
+	}
+
+	return wait_for_pid(pid);
+}
+
+static void test_userns_create_bpf(void)
+{
+	__u32 cap_mask = 1ULL << CAP_SYS_ADMIN;
+	__u64 old_caps = 0;
+
+	cap_enable_effective(cap_mask, &old_caps);
+
+	ASSERT_OK(create_user_ns(), "priv new user ns");
+
+	cap_disable_effective(cap_mask, &old_caps);
+
+	ASSERT_EQ(create_user_ns(), EPERM, "unpriv new user ns");
+
+	if (cap_mask & old_caps)
+		cap_enable_effective(cap_mask, NULL);
+}
+
+static void test_unpriv_userns_create_no_bpf(void)
+{
+	__u32 cap_mask = 1ULL << CAP_SYS_ADMIN;
+	__u64 old_caps = 0;
+
+	cap_disable_effective(cap_mask, &old_caps);
+
+	ASSERT_OK(create_user_ns(), "no-bpf unpriv new user ns");
+
+	if (cap_mask & old_caps)
+		cap_enable_effective(cap_mask, NULL);
+}
+
+void test_deny_namespace(void)
+{
+	struct test_deny_namespace *skel = NULL;
+	int err;
+
+	if (test__start_subtest("unpriv_userns_create_no_bpf"))
+		test_unpriv_userns_create_no_bpf();
+
+	skel = test_deny_namespace__open_and_load();
+	if (!ASSERT_OK_PTR(skel, "skel load"))
+		goto close_prog;
+
+	err = test_deny_namespace__attach(skel);
+	if (!ASSERT_OK(err, "attach"))
+		goto close_prog;
+
+	if (test__start_subtest("userns_create_bpf"))
+		test_userns_create_bpf();
+
+	test_deny_namespace__detach(skel);
+
+close_prog:
+	test_deny_namespace__destroy(skel);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/dummy_st_ops.c b/tools/testing/selftests/bpf/prog_tests/dummy_st_ops.c
new file mode 100644
index 000000000..c11832657
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/dummy_st_ops.c
@@ -0,0 +1,135 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (C) 2021. Huawei Technologies Co., Ltd */
+#include <test_progs.h>
+#include "dummy_st_ops.skel.h"
+#include "trace_dummy_st_ops.skel.h"
+
+/* Need to keep consistent with definition in include/linux/bpf.h */
+struct bpf_dummy_ops_state {
+	int val;
+};
+
+static void test_dummy_st_ops_attach(void)
+{
+	struct dummy_st_ops *skel;
+	struct bpf_link *link;
+
+	skel = dummy_st_ops__open_and_load();
+	if (!ASSERT_OK_PTR(skel, "dummy_st_ops_load"))
+		return;
+
+	link = bpf_map__attach_struct_ops(skel->maps.dummy_1);
+	ASSERT_EQ(libbpf_get_error(link), -EOPNOTSUPP, "dummy_st_ops_attach");
+
+	dummy_st_ops__destroy(skel);
+}
+
+static void test_dummy_init_ret_value(void)
+{
+	__u64 args[1] = {0};
+	LIBBPF_OPTS(bpf_test_run_opts, attr,
+		.ctx_in = args,
+		.ctx_size_in = sizeof(args),
+	);
+	struct dummy_st_ops *skel;
+	int fd, err;
+
+	skel = dummy_st_ops__open_and_load();
+	if (!ASSERT_OK_PTR(skel, "dummy_st_ops_load"))
+		return;
+
+	fd = bpf_program__fd(skel->progs.test_1);
+	err = bpf_prog_test_run_opts(fd, &attr);
+	ASSERT_OK(err, "test_run");
+	ASSERT_EQ(attr.retval, 0xf2f3f4f5, "test_ret");
+
+	dummy_st_ops__destroy(skel);
+}
+
+static void test_dummy_init_ptr_arg(void)
+{
+	int exp_retval = 0xbeef;
+	struct bpf_dummy_ops_state in_state = {
+		.val = exp_retval,
+	};
+	__u64 args[1] = {(unsigned long)&in_state};
+	LIBBPF_OPTS(bpf_test_run_opts, attr,
+		.ctx_in = args,
+		.ctx_size_in = sizeof(args),
+	);
+	struct trace_dummy_st_ops *trace_skel;
+	struct dummy_st_ops *skel;
+	int fd, err;
+
+	skel = dummy_st_ops__open_and_load();
+	if (!ASSERT_OK_PTR(skel, "dummy_st_ops_load"))
+		return;
+
+	fd = bpf_program__fd(skel->progs.test_1);
+
+	trace_skel = trace_dummy_st_ops__open();
+	if (!ASSERT_OK_PTR(trace_skel, "trace_dummy_st_ops__open"))
+		goto done;
+
+	err = bpf_program__set_attach_target(trace_skel->progs.fentry_test_1,
+					     fd, "test_1");
+	if (!ASSERT_OK(err, "set_attach_target(fentry_test_1)"))
+		goto done;
+
+	err = trace_dummy_st_ops__load(trace_skel);
+	if (!ASSERT_OK(err, "load(trace_skel)"))
+		goto done;
+
+	err = trace_dummy_st_ops__attach(trace_skel);
+	if (!ASSERT_OK(err, "attach(trace_skel)"))
+		goto done;
+
+	err = bpf_prog_test_run_opts(fd, &attr);
+	ASSERT_OK(err, "test_run");
+	ASSERT_EQ(in_state.val, 0x5a, "test_ptr_ret");
+	ASSERT_EQ(attr.retval, exp_retval, "test_ret");
+	ASSERT_EQ(trace_skel->bss->val, exp_retval, "fentry_val");
+
+done:
+	dummy_st_ops__destroy(skel);
+	trace_dummy_st_ops__destroy(trace_skel);
+}
+
+static void test_dummy_multiple_args(void)
+{
+	__u64 args[5] = {0, -100, 0x8a5f, 'c', 0x1234567887654321ULL};
+	LIBBPF_OPTS(bpf_test_run_opts, attr,
+		.ctx_in = args,
+		.ctx_size_in = sizeof(args),
+	);
+	struct dummy_st_ops *skel;
+	int fd, err;
+	size_t i;
+	char name[8];
+
+	skel = dummy_st_ops__open_and_load();
+	if (!ASSERT_OK_PTR(skel, "dummy_st_ops_load"))
+		return;
+
+	fd = bpf_program__fd(skel->progs.test_2);
+	err = bpf_prog_test_run_opts(fd, &attr);
+	ASSERT_OK(err, "test_run");
+	for (i = 0; i < ARRAY_SIZE(args); i++) {
+		snprintf(name, sizeof(name), "arg %zu", i);
+		ASSERT_EQ(skel->bss->test_2_args[i], args[i], name);
+	}
+
+	dummy_st_ops__destroy(skel);
+}
+
+void test_dummy_st_ops(void)
+{
+	if (test__start_subtest("dummy_st_ops_attach"))
+		test_dummy_st_ops_attach();
+	if (test__start_subtest("dummy_init_ret_value"))
+		test_dummy_init_ret_value();
+	if (test__start_subtest("dummy_init_ptr_arg"))
+		test_dummy_init_ptr_arg();
+	if (test__start_subtest("dummy_multiple_args"))
+		test_dummy_multiple_args();
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/dynptr.c b/tools/testing/selftests/bpf/prog_tests/dynptr.c
new file mode 100644
index 000000000..8fc4e6c02
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/dynptr.c
@@ -0,0 +1,138 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2022 Facebook */
+
+#include <test_progs.h>
+#include "dynptr_fail.skel.h"
+#include "dynptr_success.skel.h"
+
+static size_t log_buf_sz = 1048576; /* 1 MB */
+static char obj_log_buf[1048576];
+
+static struct {
+	const char *prog_name;
+	const char *expected_err_msg;
+} dynptr_tests[] = {
+	/* failure cases */
+	{"ringbuf_missing_release1", "Unreleased reference id=1"},
+	{"ringbuf_missing_release2", "Unreleased reference id=2"},
+	{"ringbuf_missing_release_callback", "Unreleased reference id"},
+	{"use_after_invalid", "Expected an initialized dynptr as arg #3"},
+	{"ringbuf_invalid_api", "type=mem expected=alloc_mem"},
+	{"add_dynptr_to_map1", "invalid indirect read from stack"},
+	{"add_dynptr_to_map2", "invalid indirect read from stack"},
+	{"data_slice_out_of_bounds_ringbuf", "value is outside of the allowed memory range"},
+	{"data_slice_out_of_bounds_map_value", "value is outside of the allowed memory range"},
+	{"data_slice_use_after_release1", "invalid mem access 'scalar'"},
+	{"data_slice_use_after_release2", "invalid mem access 'scalar'"},
+	{"data_slice_missing_null_check1", "invalid mem access 'mem_or_null'"},
+	{"data_slice_missing_null_check2", "invalid mem access 'mem_or_null'"},
+	{"invalid_helper1", "invalid indirect read from stack"},
+	{"invalid_helper2", "Expected an initialized dynptr as arg #3"},
+	{"invalid_write1", "Expected an initialized dynptr as arg #1"},
+	{"invalid_write2", "Expected an initialized dynptr as arg #3"},
+	{"invalid_write3", "Expected an initialized dynptr as arg #1"},
+	{"invalid_write4", "arg 1 is an unacquired reference"},
+	{"invalid_read1", "invalid read from stack"},
+	{"invalid_read2", "cannot pass in dynptr at an offset"},
+	{"invalid_read3", "invalid read from stack"},
+	{"invalid_read4", "invalid read from stack"},
+	{"invalid_offset", "invalid write to stack"},
+	{"global", "type=map_value expected=fp"},
+	{"release_twice", "arg 1 is an unacquired reference"},
+	{"release_twice_callback", "arg 1 is an unacquired reference"},
+	{"dynptr_from_mem_invalid_api",
+		"Unsupported reg type fp for bpf_dynptr_from_mem data"},
+
+	/* success cases */
+	{"test_read_write", NULL},
+	{"test_data_slice", NULL},
+	{"test_ringbuf", NULL},
+};
+
+static void verify_fail(const char *prog_name, const char *expected_err_msg)
+{
+	LIBBPF_OPTS(bpf_object_open_opts, opts);
+	struct bpf_program *prog;
+	struct dynptr_fail *skel;
+	int err;
+
+	opts.kernel_log_buf = obj_log_buf;
+	opts.kernel_log_size = log_buf_sz;
+	opts.kernel_log_level = 1;
+
+	skel = dynptr_fail__open_opts(&opts);
+	if (!ASSERT_OK_PTR(skel, "dynptr_fail__open_opts"))
+		goto cleanup;
+
+	prog = bpf_object__find_program_by_name(skel->obj, prog_name);
+	if (!ASSERT_OK_PTR(prog, "bpf_object__find_program_by_name"))
+		goto cleanup;
+
+	bpf_program__set_autoload(prog, true);
+
+	bpf_map__set_max_entries(skel->maps.ringbuf, getpagesize());
+
+	err = dynptr_fail__load(skel);
+	if (!ASSERT_ERR(err, "unexpected load success"))
+		goto cleanup;
+
+	if (!ASSERT_OK_PTR(strstr(obj_log_buf, expected_err_msg), "expected_err_msg")) {
+		fprintf(stderr, "Expected err_msg: %s\n", expected_err_msg);
+		fprintf(stderr, "Verifier output: %s\n", obj_log_buf);
+	}
+
+cleanup:
+	dynptr_fail__destroy(skel);
+}
+
+static void verify_success(const char *prog_name)
+{
+	struct dynptr_success *skel;
+	struct bpf_program *prog;
+	struct bpf_link *link;
+
+	skel = dynptr_success__open();
+	if (!ASSERT_OK_PTR(skel, "dynptr_success__open"))
+		return;
+
+	skel->bss->pid = getpid();
+
+	bpf_map__set_max_entries(skel->maps.ringbuf, getpagesize());
+
+	dynptr_success__load(skel);
+	if (!ASSERT_OK_PTR(skel, "dynptr_success__load"))
+		goto cleanup;
+
+	prog = bpf_object__find_program_by_name(skel->obj, prog_name);
+	if (!ASSERT_OK_PTR(prog, "bpf_object__find_program_by_name"))
+		goto cleanup;
+
+	link = bpf_program__attach(prog);
+	if (!ASSERT_OK_PTR(link, "bpf_program__attach"))
+		goto cleanup;
+
+	usleep(1);
+
+	ASSERT_EQ(skel->bss->err, 0, "err");
+
+	bpf_link__destroy(link);
+
+cleanup:
+	dynptr_success__destroy(skel);
+}
+
+void test_dynptr(void)
+{
+	int i;
+
+	for (i = 0; i < ARRAY_SIZE(dynptr_tests); i++) {
+		if (!test__start_subtest(dynptr_tests[i].prog_name))
+			continue;
+
+		if (dynptr_tests[i].expected_err_msg)
+			verify_fail(dynptr_tests[i].prog_name,
+				    dynptr_tests[i].expected_err_msg);
+		else
+			verify_success(dynptr_tests[i].prog_name);
+	}
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/empty_skb.c b/tools/testing/selftests/bpf/prog_tests/empty_skb.c
new file mode 100644
index 000000000..0613f3bb8
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/empty_skb.c
@@ -0,0 +1,146 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <test_progs.h>
+#include <network_helpers.h>
+#include <net/if.h>
+#include "empty_skb.skel.h"
+
+#define SYS(cmd) ({ \
+	if (!ASSERT_OK(system(cmd), (cmd))) \
+		goto out; \
+})
+
+void serial_test_empty_skb(void)
+{
+	LIBBPF_OPTS(bpf_test_run_opts, tattr);
+	struct empty_skb *bpf_obj = NULL;
+	struct nstoken *tok = NULL;
+	struct bpf_program *prog;
+	char eth_hlen_pp[15];
+	char eth_hlen[14];
+	int veth_ifindex;
+	int ipip_ifindex;
+	int err;
+	int i;
+
+	struct {
+		const char *msg;
+		const void *data_in;
+		__u32 data_size_in;
+		int *ifindex;
+		int err;
+		int ret;
+		bool success_on_tc;
+	} tests[] = {
+		/* Empty packets are always rejected. */
+
+		{
+			/* BPF_PROG_RUN ETH_HLEN size check */
+			.msg = "veth empty ingress packet",
+			.data_in = NULL,
+			.data_size_in = 0,
+			.ifindex = &veth_ifindex,
+			.err = -EINVAL,
+		},
+		{
+			/* BPF_PROG_RUN ETH_HLEN size check */
+			.msg = "ipip empty ingress packet",
+			.data_in = NULL,
+			.data_size_in = 0,
+			.ifindex = &ipip_ifindex,
+			.err = -EINVAL,
+		},
+
+		/* ETH_HLEN-sized packets:
+		 * - can not be redirected at LWT_XMIT
+		 * - can be redirected at TC to non-tunneling dest
+		 */
+
+		{
+			/* __bpf_redirect_common */
+			.msg = "veth ETH_HLEN packet ingress",
+			.data_in = eth_hlen,
+			.data_size_in = sizeof(eth_hlen),
+			.ifindex = &veth_ifindex,
+			.ret = -ERANGE,
+			.success_on_tc = true,
+		},
+		{
+			/* __bpf_redirect_no_mac
+			 *
+			 * lwt: skb->len=0 <= skb_network_offset=0
+			 * tc: skb->len=14 <= skb_network_offset=14
+			 */
+			.msg = "ipip ETH_HLEN packet ingress",
+			.data_in = eth_hlen,
+			.data_size_in = sizeof(eth_hlen),
+			.ifindex = &ipip_ifindex,
+			.ret = -ERANGE,
+		},
+
+		/* ETH_HLEN+1-sized packet should be redirected. */
+
+		{
+			.msg = "veth ETH_HLEN+1 packet ingress",
+			.data_in = eth_hlen_pp,
+			.data_size_in = sizeof(eth_hlen_pp),
+			.ifindex = &veth_ifindex,
+		},
+		{
+			.msg = "ipip ETH_HLEN+1 packet ingress",
+			.data_in = eth_hlen_pp,
+			.data_size_in = sizeof(eth_hlen_pp),
+			.ifindex = &ipip_ifindex,
+		},
+	};
+
+	SYS("ip netns add empty_skb");
+	tok = open_netns("empty_skb");
+	SYS("ip link add veth0 type veth peer veth1");
+	SYS("ip link set dev veth0 up");
+	SYS("ip link set dev veth1 up");
+	SYS("ip addr add 10.0.0.1/8 dev veth0");
+	SYS("ip addr add 10.0.0.2/8 dev veth1");
+	veth_ifindex = if_nametoindex("veth0");
+
+	SYS("ip link add ipip0 type ipip local 10.0.0.1 remote 10.0.0.2");
+	SYS("ip link set ipip0 up");
+	SYS("ip addr add 192.168.1.1/16 dev ipip0");
+	ipip_ifindex = if_nametoindex("ipip0");
+
+	bpf_obj = empty_skb__open_and_load();
+	if (!ASSERT_OK_PTR(bpf_obj, "open skeleton"))
+		goto out;
+
+	for (i = 0; i < ARRAY_SIZE(tests); i++) {
+		bpf_object__for_each_program(prog, bpf_obj->obj) {
+			char buf[128];
+			bool at_tc = !strncmp(bpf_program__section_name(prog), "tc", 2);
+
+			tattr.data_in = tests[i].data_in;
+			tattr.data_size_in = tests[i].data_size_in;
+
+			tattr.data_size_out = 0;
+			bpf_obj->bss->ifindex = *tests[i].ifindex;
+			bpf_obj->bss->ret = 0;
+			err = bpf_prog_test_run_opts(bpf_program__fd(prog), &tattr);
+			sprintf(buf, "err: %s [%s]", tests[i].msg, bpf_program__name(prog));
+
+			if (at_tc && tests[i].success_on_tc)
+				ASSERT_GE(err, 0, buf);
+			else
+				ASSERT_EQ(err, tests[i].err, buf);
+			sprintf(buf, "ret: %s [%s]", tests[i].msg, bpf_program__name(prog));
+			if (at_tc && tests[i].success_on_tc)
+				ASSERT_GE(bpf_obj->bss->ret, 0, buf);
+			else
+				ASSERT_EQ(bpf_obj->bss->ret, tests[i].ret, buf);
+		}
+	}
+
+out:
+	if (bpf_obj)
+		empty_skb__destroy(bpf_obj);
+	if (tok)
+		close_netns(tok);
+	system("ip netns del empty_skb");
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/enable_stats.c b/tools/testing/selftests/bpf/prog_tests/enable_stats.c
new file mode 100644
index 000000000..2cb208591
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/enable_stats.c
@@ -0,0 +1,45 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <test_progs.h>
+#include "test_enable_stats.skel.h"
+
+void test_enable_stats(void)
+{
+	struct test_enable_stats *skel;
+	int stats_fd, err, prog_fd;
+	struct bpf_prog_info info;
+	__u32 info_len = sizeof(info);
+	int duration = 0;
+
+	skel = test_enable_stats__open_and_load();
+	if (CHECK(!skel, "skel_open_and_load", "skeleton open/load failed\n"))
+		return;
+
+	stats_fd = bpf_enable_stats(BPF_STATS_RUN_TIME);
+	if (CHECK(stats_fd < 0, "get_stats_fd", "failed %d\n", errno)) {
+		test_enable_stats__destroy(skel);
+		return;
+	}
+
+	err = test_enable_stats__attach(skel);
+	if (CHECK(err, "attach_raw_tp", "err %d\n", err))
+		goto cleanup;
+
+	test_enable_stats__detach(skel);
+
+	prog_fd = bpf_program__fd(skel->progs.test_enable_stats);
+	memset(&info, 0, info_len);
+	err = bpf_obj_get_info_by_fd(prog_fd, &info, &info_len);
+	if (CHECK(err, "get_prog_info",
+		  "failed to get bpf_prog_info for fd %d\n", prog_fd))
+		goto cleanup;
+	if (CHECK(info.run_time_ns == 0, "check_stats_enabled",
+		  "failed to enable run_time_ns stats\n"))
+		goto cleanup;
+
+	CHECK(info.run_cnt != skel->bss->count, "check_run_cnt_valid",
+	      "invalid run_cnt stats\n");
+
+cleanup:
+	test_enable_stats__destroy(skel);
+	close(stats_fd);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/endian.c b/tools/testing/selftests/bpf/prog_tests/endian.c
new file mode 100644
index 000000000..1a11612ac
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/endian.c
@@ -0,0 +1,53 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2020 Facebook */
+
+#include <test_progs.h>
+#include "test_endian.skel.h"
+
+static int duration;
+
+#define IN16 0x1234
+#define IN32 0x12345678U
+#define IN64 0x123456789abcdef0ULL
+
+#define OUT16 0x3412
+#define OUT32 0x78563412U
+#define OUT64 0xf0debc9a78563412ULL
+
+void test_endian(void)
+{
+	struct test_endian* skel;
+	struct test_endian__bss *bss;
+	int err;
+
+	skel = test_endian__open_and_load();
+	if (CHECK(!skel, "skel_open", "failed to open skeleton\n"))
+		return;
+	bss = skel->bss;
+
+	bss->in16 = IN16;
+	bss->in32 = IN32;
+	bss->in64 = IN64;
+
+	err = test_endian__attach(skel);
+	if (CHECK(err, "skel_attach", "skeleton attach failed: %d\n", err))
+		goto cleanup;
+
+	usleep(1);
+
+	CHECK(bss->out16 != OUT16, "out16", "got 0x%llx != exp 0x%llx\n",
+	      (__u64)bss->out16, (__u64)OUT16);
+	CHECK(bss->out32 != OUT32, "out32", "got 0x%llx != exp 0x%llx\n",
+	      (__u64)bss->out32, (__u64)OUT32);
+	CHECK(bss->out64 != OUT64, "out16", "got 0x%llx != exp 0x%llx\n",
+	      (__u64)bss->out64, (__u64)OUT64);
+
+	CHECK(bss->const16 != OUT16, "const16", "got 0x%llx != exp 0x%llx\n",
+	      (__u64)bss->const16, (__u64)OUT16);
+	CHECK(bss->const32 != OUT32, "const32", "got 0x%llx != exp 0x%llx\n",
+	      (__u64)bss->const32, (__u64)OUT32);
+	CHECK(bss->const64 != OUT64, "const64", "got 0x%llx != exp 0x%llx\n",
+	      (__u64)bss->const64, (__u64)OUT64);
+cleanup:
+	test_endian__destroy(skel);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/exhandler.c b/tools/testing/selftests/bpf/prog_tests/exhandler.c
new file mode 100644
index 000000000..118bb182e
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/exhandler.c
@@ -0,0 +1,43 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2021, Oracle and/or its affiliates. */
+
+#include <test_progs.h>
+
+/* Test that verifies exception handling is working. fork()
+ * triggers task_newtask tracepoint; that new task will have a
+ * NULL pointer task_works, and the associated task->task_works->func
+ * should not be NULL if task_works itself is non-NULL.
+ *
+ * So to verify exception handling we want to see a NULL task_works
+ * and task_works->func; if we see this we can conclude that the
+ * exception handler ran when we attempted to dereference task->task_works
+ * and zeroed the destination register.
+ */
+#include "exhandler_kern.skel.h"
+
+void test_exhandler(void)
+{
+	int err = 0, duration = 0, status;
+	struct exhandler_kern *skel;
+	pid_t cpid;
+
+	skel = exhandler_kern__open_and_load();
+	if (CHECK(!skel, "skel_load", "skeleton failed: %d\n", err))
+		goto cleanup;
+
+	skel->bss->test_pid = getpid();
+
+	err = exhandler_kern__attach(skel);
+	if (!ASSERT_OK(err, "attach"))
+		goto cleanup;
+	cpid = fork();
+	if (!ASSERT_GT(cpid, -1, "fork failed"))
+		goto cleanup;
+	if (cpid == 0)
+		_exit(0);
+	waitpid(cpid, &status, 0);
+
+	ASSERT_NEQ(skel->bss->exception_triggered, 0, "verify exceptions occurred");
+cleanup:
+	exhandler_kern__destroy(skel);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/fentry_fexit.c b/tools/testing/selftests/bpf/prog_tests/fentry_fexit.c
new file mode 100644
index 000000000..130f5b82d
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/fentry_fexit.c
@@ -0,0 +1,45 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2019 Facebook */
+#include <test_progs.h>
+#include "fentry_test.lskel.h"
+#include "fexit_test.lskel.h"
+
+void test_fentry_fexit(void)
+{
+	struct fentry_test_lskel *fentry_skel = NULL;
+	struct fexit_test_lskel *fexit_skel = NULL;
+	__u64 *fentry_res, *fexit_res;
+	int err, prog_fd, i;
+	LIBBPF_OPTS(bpf_test_run_opts, topts);
+
+	fentry_skel = fentry_test_lskel__open_and_load();
+	if (!ASSERT_OK_PTR(fentry_skel, "fentry_skel_load"))
+		goto close_prog;
+	fexit_skel = fexit_test_lskel__open_and_load();
+	if (!ASSERT_OK_PTR(fexit_skel, "fexit_skel_load"))
+		goto close_prog;
+
+	err = fentry_test_lskel__attach(fentry_skel);
+	if (!ASSERT_OK(err, "fentry_attach"))
+		goto close_prog;
+	err = fexit_test_lskel__attach(fexit_skel);
+	if (!ASSERT_OK(err, "fexit_attach"))
+		goto close_prog;
+
+	prog_fd = fexit_skel->progs.test1.prog_fd;
+	err = bpf_prog_test_run_opts(prog_fd, &topts);
+	ASSERT_OK(err, "ipv6 test_run");
+	ASSERT_OK(topts.retval, "ipv6 test retval");
+
+	fentry_res = (__u64 *)fentry_skel->bss;
+	fexit_res = (__u64 *)fexit_skel->bss;
+	printf("%lld\n", fentry_skel->bss->test1_result);
+	for (i = 0; i < 8; i++) {
+		ASSERT_EQ(fentry_res[i], 1, "fentry result");
+		ASSERT_EQ(fexit_res[i], 1, "fexit result");
+	}
+
+close_prog:
+	fentry_test_lskel__destroy(fentry_skel);
+	fexit_test_lskel__destroy(fexit_skel);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/fentry_test.c b/tools/testing/selftests/bpf/prog_tests/fentry_test.c
new file mode 100644
index 000000000..c0d1d61d5
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/fentry_test.c
@@ -0,0 +1,58 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2019 Facebook */
+#include <test_progs.h>
+#include "fentry_test.lskel.h"
+
+static int fentry_test(struct fentry_test_lskel *fentry_skel)
+{
+	int err, prog_fd, i;
+	int link_fd;
+	__u64 *result;
+	LIBBPF_OPTS(bpf_test_run_opts, topts);
+
+	err = fentry_test_lskel__attach(fentry_skel);
+	if (!ASSERT_OK(err, "fentry_attach"))
+		return err;
+
+	/* Check that already linked program can't be attached again. */
+	link_fd = fentry_test_lskel__test1__attach(fentry_skel);
+	if (!ASSERT_LT(link_fd, 0, "fentry_attach_link"))
+		return -1;
+
+	prog_fd = fentry_skel->progs.test1.prog_fd;
+	err = bpf_prog_test_run_opts(prog_fd, &topts);
+	ASSERT_OK(err, "test_run");
+	ASSERT_EQ(topts.retval, 0, "test_run");
+
+	result = (__u64 *)fentry_skel->bss;
+	for (i = 0; i < sizeof(*fentry_skel->bss) / sizeof(__u64); i++) {
+		if (!ASSERT_EQ(result[i], 1, "fentry_result"))
+			return -1;
+	}
+
+	fentry_test_lskel__detach(fentry_skel);
+
+	/* zero results for re-attach test */
+	memset(fentry_skel->bss, 0, sizeof(*fentry_skel->bss));
+	return 0;
+}
+
+void test_fentry_test(void)
+{
+	struct fentry_test_lskel *fentry_skel = NULL;
+	int err;
+
+	fentry_skel = fentry_test_lskel__open_and_load();
+	if (!ASSERT_OK_PTR(fentry_skel, "fentry_skel_load"))
+		goto cleanup;
+
+	err = fentry_test(fentry_skel);
+	if (!ASSERT_OK(err, "fentry_first_attach"))
+		goto cleanup;
+
+	err = fentry_test(fentry_skel);
+	ASSERT_OK(err, "fentry_second_attach");
+
+cleanup:
+	fentry_test_lskel__destroy(fentry_skel);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/fexit_bpf2bpf.c b/tools/testing/selftests/bpf/prog_tests/fexit_bpf2bpf.c
new file mode 100644
index 000000000..d1e32e792
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/fexit_bpf2bpf.c
@@ -0,0 +1,528 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2019 Facebook */
+#include <test_progs.h>
+#include <network_helpers.h>
+#include <bpf/btf.h>
+#include "bind4_prog.skel.h"
+
+typedef int (*test_cb)(struct bpf_object *obj);
+
+static int check_data_map(struct bpf_object *obj, int prog_cnt, bool reset)
+{
+	struct bpf_map *data_map = NULL, *map;
+	__u64 *result = NULL;
+	const int zero = 0;
+	__u32 duration = 0;
+	int ret = -1, i;
+
+	result = malloc((prog_cnt + 32 /* spare */) * sizeof(__u64));
+	if (CHECK(!result, "alloc_memory", "failed to alloc memory"))
+		return -ENOMEM;
+
+	bpf_object__for_each_map(map, obj)
+		if (bpf_map__is_internal(map)) {
+			data_map = map;
+			break;
+		}
+	if (CHECK(!data_map, "find_data_map", "data map not found\n"))
+		goto out;
+
+	ret = bpf_map_lookup_elem(bpf_map__fd(data_map), &zero, result);
+	if (CHECK(ret, "get_result",
+		  "failed to get output data: %d\n", ret))
+		goto out;
+
+	for (i = 0; i < prog_cnt; i++) {
+		if (CHECK(result[i] != 1, "result",
+			  "fexit_bpf2bpf result[%d] failed err %llu\n",
+			  i, result[i]))
+			goto out;
+		result[i] = 0;
+	}
+	if (reset) {
+		ret = bpf_map_update_elem(bpf_map__fd(data_map), &zero, result, 0);
+		if (CHECK(ret, "reset_result", "failed to reset result\n"))
+			goto out;
+	}
+
+	ret = 0;
+out:
+	free(result);
+	return ret;
+}
+
+static void test_fexit_bpf2bpf_common(const char *obj_file,
+				      const char *target_obj_file,
+				      int prog_cnt,
+				      const char **prog_name,
+				      bool run_prog,
+				      test_cb cb)
+{
+	struct bpf_object *obj = NULL, *tgt_obj;
+	__u32 tgt_prog_id, info_len;
+	struct bpf_prog_info prog_info = {};
+	struct bpf_program **prog = NULL, *p;
+	struct bpf_link **link = NULL;
+	int err, tgt_fd, i;
+	struct btf *btf;
+	LIBBPF_OPTS(bpf_test_run_opts, topts,
+		.data_in = &pkt_v6,
+		.data_size_in = sizeof(pkt_v6),
+		.repeat = 1,
+	);
+
+	err = bpf_prog_test_load(target_obj_file, BPF_PROG_TYPE_UNSPEC,
+			    &tgt_obj, &tgt_fd);
+	if (!ASSERT_OK(err, "tgt_prog_load"))
+		return;
+
+	info_len = sizeof(prog_info);
+	err = bpf_obj_get_info_by_fd(tgt_fd, &prog_info, &info_len);
+	if (!ASSERT_OK(err, "tgt_fd_get_info"))
+		goto close_prog;
+
+	tgt_prog_id = prog_info.id;
+	btf = bpf_object__btf(tgt_obj);
+
+	link = calloc(sizeof(struct bpf_link *), prog_cnt);
+	if (!ASSERT_OK_PTR(link, "link_ptr"))
+		goto close_prog;
+
+	prog = calloc(sizeof(struct bpf_program *), prog_cnt);
+	if (!ASSERT_OK_PTR(prog, "prog_ptr"))
+		goto close_prog;
+
+	obj = bpf_object__open_file(obj_file, NULL);
+	if (!ASSERT_OK_PTR(obj, "obj_open"))
+		goto close_prog;
+
+	bpf_object__for_each_program(p, obj) {
+		err = bpf_program__set_attach_target(p, tgt_fd, NULL);
+		ASSERT_OK(err, "set_attach_target");
+	}
+
+	err = bpf_object__load(obj);
+	if (!ASSERT_OK(err, "obj_load"))
+		goto close_prog;
+
+	for (i = 0; i < prog_cnt; i++) {
+		struct bpf_link_info link_info;
+		struct bpf_program *pos;
+		const char *pos_sec_name;
+		char *tgt_name;
+		__s32 btf_id;
+
+		tgt_name = strstr(prog_name[i], "/");
+		if (!ASSERT_OK_PTR(tgt_name, "tgt_name"))
+			goto close_prog;
+		btf_id = btf__find_by_name_kind(btf, tgt_name + 1, BTF_KIND_FUNC);
+
+		prog[i] = NULL;
+		bpf_object__for_each_program(pos, obj) {
+			pos_sec_name = bpf_program__section_name(pos);
+			if (pos_sec_name && !strcmp(pos_sec_name, prog_name[i])) {
+				prog[i] = pos;
+				break;
+			}
+		}
+		if (!ASSERT_OK_PTR(prog[i], prog_name[i]))
+			goto close_prog;
+
+		link[i] = bpf_program__attach_trace(prog[i]);
+		if (!ASSERT_OK_PTR(link[i], "attach_trace"))
+			goto close_prog;
+
+		info_len = sizeof(link_info);
+		memset(&link_info, 0, sizeof(link_info));
+		err = bpf_obj_get_info_by_fd(bpf_link__fd(link[i]),
+					     &link_info, &info_len);
+		ASSERT_OK(err, "link_fd_get_info");
+		ASSERT_EQ(link_info.tracing.attach_type,
+			  bpf_program__expected_attach_type(prog[i]),
+			  "link_attach_type");
+		ASSERT_EQ(link_info.tracing.target_obj_id, tgt_prog_id, "link_tgt_obj_id");
+		ASSERT_EQ(link_info.tracing.target_btf_id, btf_id, "link_tgt_btf_id");
+	}
+
+	if (cb) {
+		err = cb(obj);
+		if (err)
+			goto close_prog;
+	}
+
+	if (!run_prog)
+		goto close_prog;
+
+	err = bpf_prog_test_run_opts(tgt_fd, &topts);
+	ASSERT_OK(err, "prog_run");
+	ASSERT_EQ(topts.retval, 0, "prog_run_ret");
+
+	if (check_data_map(obj, prog_cnt, false))
+		goto close_prog;
+
+close_prog:
+	for (i = 0; i < prog_cnt; i++)
+		bpf_link__destroy(link[i]);
+	bpf_object__close(obj);
+	bpf_object__close(tgt_obj);
+	free(link);
+	free(prog);
+}
+
+static void test_target_no_callees(void)
+{
+	const char *prog_name[] = {
+		"fexit/test_pkt_md_access",
+	};
+	test_fexit_bpf2bpf_common("./fexit_bpf2bpf_simple.bpf.o",
+				  "./test_pkt_md_access.bpf.o",
+				  ARRAY_SIZE(prog_name),
+				  prog_name, true, NULL);
+}
+
+static void test_target_yes_callees(void)
+{
+	const char *prog_name[] = {
+		"fexit/test_pkt_access",
+		"fexit/test_pkt_access_subprog1",
+		"fexit/test_pkt_access_subprog2",
+		"fexit/test_pkt_access_subprog3",
+	};
+	test_fexit_bpf2bpf_common("./fexit_bpf2bpf.bpf.o",
+				  "./test_pkt_access.bpf.o",
+				  ARRAY_SIZE(prog_name),
+				  prog_name, true, NULL);
+}
+
+static void test_func_replace(void)
+{
+	const char *prog_name[] = {
+		"fexit/test_pkt_access",
+		"fexit/test_pkt_access_subprog1",
+		"fexit/test_pkt_access_subprog2",
+		"fexit/test_pkt_access_subprog3",
+		"freplace/get_skb_len",
+		"freplace/get_skb_ifindex",
+		"freplace/get_constant",
+		"freplace/test_pkt_write_access_subprog",
+	};
+	test_fexit_bpf2bpf_common("./fexit_bpf2bpf.bpf.o",
+				  "./test_pkt_access.bpf.o",
+				  ARRAY_SIZE(prog_name),
+				  prog_name, true, NULL);
+}
+
+static void test_func_replace_verify(void)
+{
+	const char *prog_name[] = {
+		"freplace/do_bind",
+	};
+	test_fexit_bpf2bpf_common("./freplace_connect4.bpf.o",
+				  "./connect4_prog.bpf.o",
+				  ARRAY_SIZE(prog_name),
+				  prog_name, false, NULL);
+}
+
+static int test_second_attach(struct bpf_object *obj)
+{
+	const char *prog_name = "security_new_get_constant";
+	const char *tgt_name = "get_constant";
+	const char *tgt_obj_file = "./test_pkt_access.bpf.o";
+	struct bpf_program *prog = NULL;
+	struct bpf_object *tgt_obj;
+	struct bpf_link *link;
+	int err = 0, tgt_fd;
+	LIBBPF_OPTS(bpf_test_run_opts, topts,
+		.data_in = &pkt_v6,
+		.data_size_in = sizeof(pkt_v6),
+		.repeat = 1,
+	);
+
+	prog = bpf_object__find_program_by_name(obj, prog_name);
+	if (!ASSERT_OK_PTR(prog, "find_prog"))
+		return -ENOENT;
+
+	err = bpf_prog_test_load(tgt_obj_file, BPF_PROG_TYPE_UNSPEC,
+			    &tgt_obj, &tgt_fd);
+	if (!ASSERT_OK(err, "second_prog_load"))
+		return err;
+
+	link = bpf_program__attach_freplace(prog, tgt_fd, tgt_name);
+	if (!ASSERT_OK_PTR(link, "second_link"))
+		goto out;
+
+	err = bpf_prog_test_run_opts(tgt_fd, &topts);
+	if (!ASSERT_OK(err, "ipv6 test_run"))
+		goto out;
+	if (!ASSERT_OK(topts.retval, "ipv6 retval"))
+		goto out;
+
+	err = check_data_map(obj, 1, true);
+	if (err)
+		goto out;
+
+out:
+	bpf_link__destroy(link);
+	bpf_object__close(tgt_obj);
+	return err;
+}
+
+static void test_func_replace_multi(void)
+{
+	const char *prog_name[] = {
+		"freplace/get_constant",
+	};
+	test_fexit_bpf2bpf_common("./freplace_get_constant.bpf.o",
+				  "./test_pkt_access.bpf.o",
+				  ARRAY_SIZE(prog_name),
+				  prog_name, true, test_second_attach);
+}
+
+static void test_fmod_ret_freplace(void)
+{
+	struct bpf_object *freplace_obj = NULL, *pkt_obj, *fmod_obj = NULL;
+	const char *freplace_name = "./freplace_get_constant.bpf.o";
+	const char *fmod_ret_name = "./fmod_ret_freplace.bpf.o";
+	DECLARE_LIBBPF_OPTS(bpf_object_open_opts, opts);
+	const char *tgt_name = "./test_pkt_access.bpf.o";
+	struct bpf_link *freplace_link = NULL;
+	struct bpf_program *prog;
+	__u32 duration = 0;
+	int err, pkt_fd, attach_prog_fd;
+
+	err = bpf_prog_test_load(tgt_name, BPF_PROG_TYPE_UNSPEC,
+			    &pkt_obj, &pkt_fd);
+	/* the target prog should load fine */
+	if (CHECK(err, "tgt_prog_load", "file %s err %d errno %d\n",
+		  tgt_name, err, errno))
+		return;
+
+	freplace_obj = bpf_object__open_file(freplace_name, NULL);
+	if (!ASSERT_OK_PTR(freplace_obj, "freplace_obj_open"))
+		goto out;
+
+	prog = bpf_object__next_program(freplace_obj, NULL);
+	err = bpf_program__set_attach_target(prog, pkt_fd, NULL);
+	ASSERT_OK(err, "freplace__set_attach_target");
+
+	err = bpf_object__load(freplace_obj);
+	if (CHECK(err, "freplace_obj_load", "err %d\n", err))
+		goto out;
+
+	freplace_link = bpf_program__attach_trace(prog);
+	if (!ASSERT_OK_PTR(freplace_link, "freplace_attach_trace"))
+		goto out;
+
+	fmod_obj = bpf_object__open_file(fmod_ret_name, NULL);
+	if (!ASSERT_OK_PTR(fmod_obj, "fmod_obj_open"))
+		goto out;
+
+	attach_prog_fd = bpf_program__fd(prog);
+	prog = bpf_object__next_program(fmod_obj, NULL);
+	err = bpf_program__set_attach_target(prog, attach_prog_fd, NULL);
+	ASSERT_OK(err, "fmod_ret_set_attach_target");
+
+	err = bpf_object__load(fmod_obj);
+	if (CHECK(!err, "fmod_obj_load", "loading fmod_ret should fail\n"))
+		goto out;
+
+out:
+	bpf_link__destroy(freplace_link);
+	bpf_object__close(freplace_obj);
+	bpf_object__close(fmod_obj);
+	bpf_object__close(pkt_obj);
+}
+
+
+static void test_func_sockmap_update(void)
+{
+	const char *prog_name[] = {
+		"freplace/cls_redirect",
+	};
+	test_fexit_bpf2bpf_common("./freplace_cls_redirect.bpf.o",
+				  "./test_cls_redirect.bpf.o",
+				  ARRAY_SIZE(prog_name),
+				  prog_name, false, NULL);
+}
+
+static void test_obj_load_failure_common(const char *obj_file,
+					 const char *target_obj_file)
+{
+	/*
+	 * standalone test that asserts failure to load freplace prog
+	 * because of invalid return code.
+	 */
+	struct bpf_object *obj = NULL, *pkt_obj;
+	struct bpf_program *prog;
+	int err, pkt_fd;
+	__u32 duration = 0;
+
+	err = bpf_prog_test_load(target_obj_file, BPF_PROG_TYPE_UNSPEC,
+			    &pkt_obj, &pkt_fd);
+	/* the target prog should load fine */
+	if (CHECK(err, "tgt_prog_load", "file %s err %d errno %d\n",
+		  target_obj_file, err, errno))
+		return;
+
+	obj = bpf_object__open_file(obj_file, NULL);
+	if (!ASSERT_OK_PTR(obj, "obj_open"))
+		goto close_prog;
+
+	prog = bpf_object__next_program(obj, NULL);
+	err = bpf_program__set_attach_target(prog, pkt_fd, NULL);
+	ASSERT_OK(err, "set_attach_target");
+
+	/* It should fail to load the program */
+	err = bpf_object__load(obj);
+	if (CHECK(!err, "bpf_obj_load should fail", "err %d\n", err))
+		goto close_prog;
+
+close_prog:
+	bpf_object__close(obj);
+	bpf_object__close(pkt_obj);
+}
+
+static void test_func_replace_return_code(void)
+{
+	/* test invalid return code in the replaced program */
+	test_obj_load_failure_common("./freplace_connect_v4_prog.bpf.o",
+				     "./connect4_prog.bpf.o");
+}
+
+static void test_func_map_prog_compatibility(void)
+{
+	/* test with spin lock map value in the replaced program */
+	test_obj_load_failure_common("./freplace_attach_probe.bpf.o",
+				     "./test_attach_probe.bpf.o");
+}
+
+static void test_func_replace_global_func(void)
+{
+	const char *prog_name[] = {
+		"freplace/test_pkt_access",
+	};
+
+	test_fexit_bpf2bpf_common("./freplace_global_func.bpf.o",
+				  "./test_pkt_access.bpf.o",
+				  ARRAY_SIZE(prog_name),
+				  prog_name, false, NULL);
+}
+
+static int find_prog_btf_id(const char *name, __u32 attach_prog_fd)
+{
+	struct bpf_prog_info info = {};
+	__u32 info_len = sizeof(info);
+	struct btf *btf;
+	int ret;
+
+	ret = bpf_obj_get_info_by_fd(attach_prog_fd, &info, &info_len);
+	if (ret)
+		return ret;
+
+	if (!info.btf_id)
+		return -EINVAL;
+
+	btf = btf__load_from_kernel_by_id(info.btf_id);
+	ret = libbpf_get_error(btf);
+	if (ret)
+		return ret;
+
+	ret = btf__find_by_name_kind(btf, name, BTF_KIND_FUNC);
+	btf__free(btf);
+	return ret;
+}
+
+static int load_fentry(int attach_prog_fd, int attach_btf_id)
+{
+	LIBBPF_OPTS(bpf_prog_load_opts, opts,
+		    .expected_attach_type = BPF_TRACE_FENTRY,
+		    .attach_prog_fd = attach_prog_fd,
+		    .attach_btf_id = attach_btf_id,
+	);
+	struct bpf_insn insns[] = {
+		BPF_MOV64_IMM(BPF_REG_0, 0),
+		BPF_EXIT_INSN(),
+	};
+
+	return bpf_prog_load(BPF_PROG_TYPE_TRACING,
+			     "bind4_fentry",
+			     "GPL",
+			     insns,
+			     ARRAY_SIZE(insns),
+			     &opts);
+}
+
+static void test_fentry_to_cgroup_bpf(void)
+{
+	struct bind4_prog *skel = NULL;
+	struct bpf_prog_info info = {};
+	__u32 info_len = sizeof(info);
+	int cgroup_fd = -1;
+	int fentry_fd = -1;
+	int btf_id;
+
+	cgroup_fd = test__join_cgroup("/fentry_to_cgroup_bpf");
+	if (!ASSERT_GE(cgroup_fd, 0, "cgroup_fd"))
+		return;
+
+	skel = bind4_prog__open_and_load();
+	if (!ASSERT_OK_PTR(skel, "skel"))
+		goto cleanup;
+
+	skel->links.bind_v4_prog = bpf_program__attach_cgroup(skel->progs.bind_v4_prog, cgroup_fd);
+	if (!ASSERT_OK_PTR(skel->links.bind_v4_prog, "bpf_program__attach_cgroup"))
+		goto cleanup;
+
+	btf_id = find_prog_btf_id("bind_v4_prog", bpf_program__fd(skel->progs.bind_v4_prog));
+	if (!ASSERT_GE(btf_id, 0, "find_prog_btf_id"))
+		goto cleanup;
+
+	fentry_fd = load_fentry(bpf_program__fd(skel->progs.bind_v4_prog), btf_id);
+	if (!ASSERT_GE(fentry_fd, 0, "load_fentry"))
+		goto cleanup;
+
+	/* Make sure bpf_obj_get_info_by_fd works correctly when attaching
+	 * to another BPF program.
+	 */
+
+	ASSERT_OK(bpf_obj_get_info_by_fd(fentry_fd, &info, &info_len),
+		  "bpf_obj_get_info_by_fd");
+
+	ASSERT_EQ(info.btf_id, 0, "info.btf_id");
+	ASSERT_EQ(info.attach_btf_id, btf_id, "info.attach_btf_id");
+	ASSERT_GT(info.attach_btf_obj_id, 0, "info.attach_btf_obj_id");
+
+cleanup:
+	if (cgroup_fd >= 0)
+		close(cgroup_fd);
+	if (fentry_fd >= 0)
+		close(fentry_fd);
+	bind4_prog__destroy(skel);
+}
+
+/* NOTE: affect other tests, must run in serial mode */
+void serial_test_fexit_bpf2bpf(void)
+{
+	if (test__start_subtest("target_no_callees"))
+		test_target_no_callees();
+	if (test__start_subtest("target_yes_callees"))
+		test_target_yes_callees();
+	if (test__start_subtest("func_replace"))
+		test_func_replace();
+	if (test__start_subtest("func_replace_verify"))
+		test_func_replace_verify();
+	if (test__start_subtest("func_sockmap_update"))
+		test_func_sockmap_update();
+	if (test__start_subtest("func_replace_return_code"))
+		test_func_replace_return_code();
+	if (test__start_subtest("func_map_prog_compatibility"))
+		test_func_map_prog_compatibility();
+	if (test__start_subtest("func_replace_multi"))
+		test_func_replace_multi();
+	if (test__start_subtest("fmod_ret_freplace"))
+		test_fmod_ret_freplace();
+	if (test__start_subtest("func_replace_global_func"))
+		test_func_replace_global_func();
+	if (test__start_subtest("fentry_to_cgroup_bpf"))
+		test_fentry_to_cgroup_bpf();
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/fexit_sleep.c b/tools/testing/selftests/bpf/prog_tests/fexit_sleep.c
new file mode 100644
index 000000000..f949647db
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/fexit_sleep.c
@@ -0,0 +1,82 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2021 Facebook */
+#define _GNU_SOURCE
+#include <sched.h>
+#include <test_progs.h>
+#include <time.h>
+#include <sys/mman.h>
+#include <sys/syscall.h>
+#include "fexit_sleep.lskel.h"
+
+static int do_sleep(void *skel)
+{
+	struct fexit_sleep_lskel *fexit_skel = skel;
+	struct timespec ts1 = { .tv_nsec = 1 };
+	struct timespec ts2 = { .tv_sec = 10 };
+
+	fexit_skel->bss->pid = getpid();
+	(void)syscall(__NR_nanosleep, &ts1, NULL);
+	(void)syscall(__NR_nanosleep, &ts2, NULL);
+	return 0;
+}
+
+#define STACK_SIZE (1024 * 1024)
+static char child_stack[STACK_SIZE];
+
+void test_fexit_sleep(void)
+{
+	struct fexit_sleep_lskel *fexit_skel = NULL;
+	int wstatus, duration = 0;
+	pid_t cpid;
+	int err, fexit_cnt;
+
+	fexit_skel = fexit_sleep_lskel__open_and_load();
+	if (CHECK(!fexit_skel, "fexit_skel_load", "fexit skeleton failed\n"))
+		goto cleanup;
+
+	err = fexit_sleep_lskel__attach(fexit_skel);
+	if (CHECK(err, "fexit_attach", "fexit attach failed: %d\n", err))
+		goto cleanup;
+
+	cpid = clone(do_sleep, child_stack + STACK_SIZE, CLONE_FILES | SIGCHLD, fexit_skel);
+	if (CHECK(cpid == -1, "clone", "%s\n", strerror(errno)))
+		goto cleanup;
+
+	/* wait until first sys_nanosleep ends and second sys_nanosleep starts */
+	while (READ_ONCE(fexit_skel->bss->fentry_cnt) != 2);
+	fexit_cnt = READ_ONCE(fexit_skel->bss->fexit_cnt);
+	if (CHECK(fexit_cnt != 1, "fexit_cnt", "%d", fexit_cnt))
+		goto cleanup;
+
+	/* close progs and detach them. That will trigger two nop5->jmp5 rewrites
+	 * in the trampolines to skip nanosleep_fexit prog.
+	 * The nanosleep_fentry prog will get detached first.
+	 * The nanosleep_fexit prog will get detached second.
+	 * Detaching will trigger freeing of both progs JITed images.
+	 * There will be two dying bpf_tramp_image-s, but only the initial
+	 * bpf_tramp_image (with both _fentry and _fexit progs will be stuck
+	 * waiting for percpu_ref_kill to confirm). The other one
+	 * will be freed quickly.
+	 */
+	close(fexit_skel->progs.nanosleep_fentry.prog_fd);
+	close(fexit_skel->progs.nanosleep_fexit.prog_fd);
+	fexit_sleep_lskel__detach(fexit_skel);
+
+	/* kill the thread to unwind sys_nanosleep stack through the trampoline */
+	kill(cpid, 9);
+
+	if (CHECK(waitpid(cpid, &wstatus, 0) == -1, "waitpid", "%s\n", strerror(errno)))
+		goto cleanup;
+	if (CHECK(WEXITSTATUS(wstatus) != 0, "exitstatus", "failed"))
+		goto cleanup;
+
+	/* The bypassed nanosleep_fexit prog shouldn't have executed.
+	 * Unlike progs the maps were not freed and directly accessible.
+	 */
+	fexit_cnt = READ_ONCE(fexit_skel->bss->fexit_cnt);
+	if (CHECK(fexit_cnt != 1, "fexit_cnt", "%d", fexit_cnt))
+		goto cleanup;
+
+cleanup:
+	fexit_sleep_lskel__destroy(fexit_skel);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/fexit_stress.c b/tools/testing/selftests/bpf/prog_tests/fexit_stress.c
new file mode 100644
index 000000000..5a7e6011f
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/fexit_stress.c
@@ -0,0 +1,53 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2019 Facebook */
+#include <test_progs.h>
+
+/* that's kernel internal BPF_MAX_TRAMP_PROGS define */
+#define CNT 38
+
+void serial_test_fexit_stress(void)
+{
+	int fexit_fd[CNT] = {};
+	int link_fd[CNT] = {};
+	int err, i;
+
+	const struct bpf_insn trace_program[] = {
+		BPF_MOV64_IMM(BPF_REG_0, 0),
+		BPF_EXIT_INSN(),
+	};
+
+	LIBBPF_OPTS(bpf_prog_load_opts, trace_opts,
+		.expected_attach_type = BPF_TRACE_FEXIT,
+	);
+
+	LIBBPF_OPTS(bpf_test_run_opts, topts);
+
+	err = libbpf_find_vmlinux_btf_id("bpf_fentry_test1",
+					 trace_opts.expected_attach_type);
+	if (!ASSERT_GT(err, 0, "find_vmlinux_btf_id"))
+		goto out;
+	trace_opts.attach_btf_id = err;
+
+	for (i = 0; i < CNT; i++) {
+		fexit_fd[i] = bpf_prog_load(BPF_PROG_TYPE_TRACING, NULL, "GPL",
+					    trace_program,
+					    sizeof(trace_program) / sizeof(struct bpf_insn),
+					    &trace_opts);
+		if (!ASSERT_GE(fexit_fd[i], 0, "fexit load"))
+			goto out;
+		link_fd[i] = bpf_link_create(fexit_fd[i], 0, BPF_TRACE_FEXIT, NULL);
+		if (!ASSERT_GE(link_fd[i], 0, "fexit attach"))
+			goto out;
+	}
+
+	err = bpf_prog_test_run_opts(fexit_fd[0], &topts);
+	ASSERT_OK(err, "bpf_prog_test_run_opts");
+
+out:
+	for (i = 0; i < CNT; i++) {
+		if (link_fd[i])
+			close(link_fd[i]);
+		if (fexit_fd[i])
+			close(fexit_fd[i]);
+	}
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/fexit_test.c b/tools/testing/selftests/bpf/prog_tests/fexit_test.c
new file mode 100644
index 000000000..101b73430
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/fexit_test.c
@@ -0,0 +1,58 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2019 Facebook */
+#include <test_progs.h>
+#include "fexit_test.lskel.h"
+
+static int fexit_test(struct fexit_test_lskel *fexit_skel)
+{
+	int err, prog_fd, i;
+	int link_fd;
+	__u64 *result;
+	LIBBPF_OPTS(bpf_test_run_opts, topts);
+
+	err = fexit_test_lskel__attach(fexit_skel);
+	if (!ASSERT_OK(err, "fexit_attach"))
+		return err;
+
+	/* Check that already linked program can't be attached again. */
+	link_fd = fexit_test_lskel__test1__attach(fexit_skel);
+	if (!ASSERT_LT(link_fd, 0, "fexit_attach_link"))
+		return -1;
+
+	prog_fd = fexit_skel->progs.test1.prog_fd;
+	err = bpf_prog_test_run_opts(prog_fd, &topts);
+	ASSERT_OK(err, "test_run");
+	ASSERT_EQ(topts.retval, 0, "test_run");
+
+	result = (__u64 *)fexit_skel->bss;
+	for (i = 0; i < sizeof(*fexit_skel->bss) / sizeof(__u64); i++) {
+		if (!ASSERT_EQ(result[i], 1, "fexit_result"))
+			return -1;
+	}
+
+	fexit_test_lskel__detach(fexit_skel);
+
+	/* zero results for re-attach test */
+	memset(fexit_skel->bss, 0, sizeof(*fexit_skel->bss));
+	return 0;
+}
+
+void test_fexit_test(void)
+{
+	struct fexit_test_lskel *fexit_skel = NULL;
+	int err;
+
+	fexit_skel = fexit_test_lskel__open_and_load();
+	if (!ASSERT_OK_PTR(fexit_skel, "fexit_skel_load"))
+		goto cleanup;
+
+	err = fexit_test(fexit_skel);
+	if (!ASSERT_OK(err, "fexit_first_attach"))
+		goto cleanup;
+
+	err = fexit_test(fexit_skel);
+	ASSERT_OK(err, "fexit_second_attach");
+
+cleanup:
+	fexit_test_lskel__destroy(fexit_skel);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/find_vma.c b/tools/testing/selftests/bpf/prog_tests/find_vma.c
new file mode 100644
index 000000000..5165b38f0
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/find_vma.c
@@ -0,0 +1,127 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2021 Facebook */
+#include <test_progs.h>
+#include <sys/types.h>
+#include <unistd.h>
+#include "find_vma.skel.h"
+#include "find_vma_fail1.skel.h"
+#include "find_vma_fail2.skel.h"
+
+static void test_and_reset_skel(struct find_vma *skel, int expected_find_zero_ret, bool need_test)
+{
+	if (need_test) {
+		ASSERT_EQ(skel->bss->found_vm_exec, 1, "found_vm_exec");
+		ASSERT_EQ(skel->data->find_addr_ret, 0, "find_addr_ret");
+		ASSERT_EQ(skel->data->find_zero_ret, expected_find_zero_ret, "find_zero_ret");
+		ASSERT_OK_PTR(strstr(skel->bss->d_iname, "test_progs"), "find_test_progs");
+	}
+
+	skel->bss->found_vm_exec = 0;
+	skel->data->find_addr_ret = -1;
+	skel->data->find_zero_ret = -1;
+	skel->bss->d_iname[0] = 0;
+}
+
+static int open_pe(void)
+{
+	struct perf_event_attr attr = {0};
+	int pfd;
+
+	/* create perf event */
+	attr.size = sizeof(attr);
+	attr.type = PERF_TYPE_HARDWARE;
+	attr.config = PERF_COUNT_HW_CPU_CYCLES;
+	attr.freq = 1;
+	attr.sample_freq = 1000;
+	pfd = syscall(__NR_perf_event_open, &attr, 0, -1, -1, PERF_FLAG_FD_CLOEXEC);
+
+	return pfd >= 0 ? pfd : -errno;
+}
+
+static bool find_vma_pe_condition(struct find_vma *skel)
+{
+	return skel->bss->found_vm_exec == 0 ||
+		skel->data->find_addr_ret != 0 ||
+		skel->data->find_zero_ret == -1 ||
+		strcmp(skel->bss->d_iname, "test_progs") != 0;
+}
+
+static void test_find_vma_pe(struct find_vma *skel)
+{
+	struct bpf_link *link = NULL;
+	volatile int j = 0;
+	int pfd, i;
+	const int one_bn = 1000000000;
+
+	pfd = open_pe();
+	if (pfd < 0) {
+		if (pfd == -ENOENT || pfd == -EOPNOTSUPP) {
+			printf("%s:SKIP:no PERF_COUNT_HW_CPU_CYCLES\n", __func__);
+			test__skip();
+			goto cleanup;
+		}
+		if (!ASSERT_GE(pfd, 0, "perf_event_open"))
+			goto cleanup;
+	}
+
+	link = bpf_program__attach_perf_event(skel->progs.handle_pe, pfd);
+	if (!ASSERT_OK_PTR(link, "attach_perf_event"))
+		goto cleanup;
+
+	for (i = 0; i < one_bn && find_vma_pe_condition(skel); ++i)
+		++j;
+
+	test_and_reset_skel(skel, -EBUSY /* in nmi, irq_work is busy */, i == one_bn);
+cleanup:
+	bpf_link__destroy(link);
+	close(pfd);
+}
+
+static void test_find_vma_kprobe(struct find_vma *skel)
+{
+	int err;
+
+	err = find_vma__attach(skel);
+	if (!ASSERT_OK(err, "get_branch_snapshot__attach"))
+		return;
+
+	getpgid(skel->bss->target_pid);
+	test_and_reset_skel(skel, -ENOENT /* could not find vma for ptr 0 */, true);
+}
+
+static void test_illegal_write_vma(void)
+{
+	struct find_vma_fail1 *skel;
+
+	skel = find_vma_fail1__open_and_load();
+	if (!ASSERT_ERR_PTR(skel, "find_vma_fail1__open_and_load"))
+		find_vma_fail1__destroy(skel);
+}
+
+static void test_illegal_write_task(void)
+{
+	struct find_vma_fail2 *skel;
+
+	skel = find_vma_fail2__open_and_load();
+	if (!ASSERT_ERR_PTR(skel, "find_vma_fail2__open_and_load"))
+		find_vma_fail2__destroy(skel);
+}
+
+void serial_test_find_vma(void)
+{
+	struct find_vma *skel;
+
+	skel = find_vma__open_and_load();
+	if (!ASSERT_OK_PTR(skel, "find_vma__open_and_load"))
+		return;
+
+	skel->bss->target_pid = getpid();
+	skel->bss->addr = (__u64)(uintptr_t)test_find_vma_pe;
+
+	test_find_vma_pe(skel);
+	test_find_vma_kprobe(skel);
+
+	find_vma__destroy(skel);
+	test_illegal_write_vma();
+	test_illegal_write_task();
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/flow_dissector.c b/tools/testing/selftests/bpf/prog_tests/flow_dissector.c
new file mode 100644
index 000000000..7acca37a3
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/flow_dissector.c
@@ -0,0 +1,658 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <test_progs.h>
+#include <network_helpers.h>
+#include <error.h>
+#include <linux/if.h>
+#include <linux/if_tun.h>
+#include <sys/uio.h>
+
+#include "bpf_flow.skel.h"
+
+#define FLOW_CONTINUE_SADDR 0x7f00007f /* 127.0.0.127 */
+
+#ifndef IP_MF
+#define IP_MF 0x2000
+#endif
+
+#define CHECK_FLOW_KEYS(desc, got, expected)				\
+	_CHECK(memcmp(&got, &expected, sizeof(got)) != 0,		\
+	      desc,							\
+	      topts.duration,						\
+	      "nhoff=%u/%u "						\
+	      "thoff=%u/%u "						\
+	      "addr_proto=0x%x/0x%x "					\
+	      "is_frag=%u/%u "						\
+	      "is_first_frag=%u/%u "					\
+	      "is_encap=%u/%u "						\
+	      "ip_proto=0x%x/0x%x "					\
+	      "n_proto=0x%x/0x%x "					\
+	      "flow_label=0x%x/0x%x "					\
+	      "sport=%u/%u "						\
+	      "dport=%u/%u\n",						\
+	      got.nhoff, expected.nhoff,				\
+	      got.thoff, expected.thoff,				\
+	      got.addr_proto, expected.addr_proto,			\
+	      got.is_frag, expected.is_frag,				\
+	      got.is_first_frag, expected.is_first_frag,		\
+	      got.is_encap, expected.is_encap,				\
+	      got.ip_proto, expected.ip_proto,				\
+	      got.n_proto, expected.n_proto,				\
+	      got.flow_label, expected.flow_label,			\
+	      got.sport, expected.sport,				\
+	      got.dport, expected.dport)
+
+struct ipv4_pkt {
+	struct ethhdr eth;
+	struct iphdr iph;
+	struct tcphdr tcp;
+} __packed;
+
+struct ipip_pkt {
+	struct ethhdr eth;
+	struct iphdr iph;
+	struct iphdr iph_inner;
+	struct tcphdr tcp;
+} __packed;
+
+struct svlan_ipv4_pkt {
+	struct ethhdr eth;
+	__u16 vlan_tci;
+	__u16 vlan_proto;
+	struct iphdr iph;
+	struct tcphdr tcp;
+} __packed;
+
+struct ipv6_pkt {
+	struct ethhdr eth;
+	struct ipv6hdr iph;
+	struct tcphdr tcp;
+} __packed;
+
+struct ipv6_frag_pkt {
+	struct ethhdr eth;
+	struct ipv6hdr iph;
+	struct frag_hdr {
+		__u8 nexthdr;
+		__u8 reserved;
+		__be16 frag_off;
+		__be32 identification;
+	} ipf;
+	struct tcphdr tcp;
+} __packed;
+
+struct dvlan_ipv6_pkt {
+	struct ethhdr eth;
+	__u16 vlan_tci;
+	__u16 vlan_proto;
+	__u16 vlan_tci2;
+	__u16 vlan_proto2;
+	struct ipv6hdr iph;
+	struct tcphdr tcp;
+} __packed;
+
+struct test {
+	const char *name;
+	union {
+		struct ipv4_pkt ipv4;
+		struct svlan_ipv4_pkt svlan_ipv4;
+		struct ipip_pkt ipip;
+		struct ipv6_pkt ipv6;
+		struct ipv6_frag_pkt ipv6_frag;
+		struct dvlan_ipv6_pkt dvlan_ipv6;
+	} pkt;
+	struct bpf_flow_keys keys;
+	__u32 flags;
+	__u32 retval;
+};
+
+#define VLAN_HLEN	4
+
+static __u32 duration;
+struct test tests[] = {
+	{
+		.name = "ipv4",
+		.pkt.ipv4 = {
+			.eth.h_proto = __bpf_constant_htons(ETH_P_IP),
+			.iph.ihl = 5,
+			.iph.protocol = IPPROTO_TCP,
+			.iph.tot_len = __bpf_constant_htons(MAGIC_BYTES),
+			.tcp.doff = 5,
+			.tcp.source = 80,
+			.tcp.dest = 8080,
+		},
+		.keys = {
+			.nhoff = ETH_HLEN,
+			.thoff = ETH_HLEN + sizeof(struct iphdr),
+			.addr_proto = ETH_P_IP,
+			.ip_proto = IPPROTO_TCP,
+			.n_proto = __bpf_constant_htons(ETH_P_IP),
+			.sport = 80,
+			.dport = 8080,
+		},
+		.retval = BPF_OK,
+	},
+	{
+		.name = "ipv6",
+		.pkt.ipv6 = {
+			.eth.h_proto = __bpf_constant_htons(ETH_P_IPV6),
+			.iph.nexthdr = IPPROTO_TCP,
+			.iph.payload_len = __bpf_constant_htons(MAGIC_BYTES),
+			.tcp.doff = 5,
+			.tcp.source = 80,
+			.tcp.dest = 8080,
+		},
+		.keys = {
+			.nhoff = ETH_HLEN,
+			.thoff = ETH_HLEN + sizeof(struct ipv6hdr),
+			.addr_proto = ETH_P_IPV6,
+			.ip_proto = IPPROTO_TCP,
+			.n_proto = __bpf_constant_htons(ETH_P_IPV6),
+			.sport = 80,
+			.dport = 8080,
+		},
+		.retval = BPF_OK,
+	},
+	{
+		.name = "802.1q-ipv4",
+		.pkt.svlan_ipv4 = {
+			.eth.h_proto = __bpf_constant_htons(ETH_P_8021Q),
+			.vlan_proto = __bpf_constant_htons(ETH_P_IP),
+			.iph.ihl = 5,
+			.iph.protocol = IPPROTO_TCP,
+			.iph.tot_len = __bpf_constant_htons(MAGIC_BYTES),
+			.tcp.doff = 5,
+			.tcp.source = 80,
+			.tcp.dest = 8080,
+		},
+		.keys = {
+			.nhoff = ETH_HLEN + VLAN_HLEN,
+			.thoff = ETH_HLEN + VLAN_HLEN + sizeof(struct iphdr),
+			.addr_proto = ETH_P_IP,
+			.ip_proto = IPPROTO_TCP,
+			.n_proto = __bpf_constant_htons(ETH_P_IP),
+			.sport = 80,
+			.dport = 8080,
+		},
+		.retval = BPF_OK,
+	},
+	{
+		.name = "802.1ad-ipv6",
+		.pkt.dvlan_ipv6 = {
+			.eth.h_proto = __bpf_constant_htons(ETH_P_8021AD),
+			.vlan_proto = __bpf_constant_htons(ETH_P_8021Q),
+			.vlan_proto2 = __bpf_constant_htons(ETH_P_IPV6),
+			.iph.nexthdr = IPPROTO_TCP,
+			.iph.payload_len = __bpf_constant_htons(MAGIC_BYTES),
+			.tcp.doff = 5,
+			.tcp.source = 80,
+			.tcp.dest = 8080,
+		},
+		.keys = {
+			.nhoff = ETH_HLEN + VLAN_HLEN * 2,
+			.thoff = ETH_HLEN + VLAN_HLEN * 2 +
+				sizeof(struct ipv6hdr),
+			.addr_proto = ETH_P_IPV6,
+			.ip_proto = IPPROTO_TCP,
+			.n_proto = __bpf_constant_htons(ETH_P_IPV6),
+			.sport = 80,
+			.dport = 8080,
+		},
+		.retval = BPF_OK,
+	},
+	{
+		.name = "ipv4-frag",
+		.pkt.ipv4 = {
+			.eth.h_proto = __bpf_constant_htons(ETH_P_IP),
+			.iph.ihl = 5,
+			.iph.protocol = IPPROTO_TCP,
+			.iph.tot_len = __bpf_constant_htons(MAGIC_BYTES),
+			.iph.frag_off = __bpf_constant_htons(IP_MF),
+			.tcp.doff = 5,
+			.tcp.source = 80,
+			.tcp.dest = 8080,
+		},
+		.keys = {
+			.flags = BPF_FLOW_DISSECTOR_F_PARSE_1ST_FRAG,
+			.nhoff = ETH_HLEN,
+			.thoff = ETH_HLEN + sizeof(struct iphdr),
+			.addr_proto = ETH_P_IP,
+			.ip_proto = IPPROTO_TCP,
+			.n_proto = __bpf_constant_htons(ETH_P_IP),
+			.is_frag = true,
+			.is_first_frag = true,
+			.sport = 80,
+			.dport = 8080,
+		},
+		.flags = BPF_FLOW_DISSECTOR_F_PARSE_1ST_FRAG,
+		.retval = BPF_OK,
+	},
+	{
+		.name = "ipv4-no-frag",
+		.pkt.ipv4 = {
+			.eth.h_proto = __bpf_constant_htons(ETH_P_IP),
+			.iph.ihl = 5,
+			.iph.protocol = IPPROTO_TCP,
+			.iph.tot_len = __bpf_constant_htons(MAGIC_BYTES),
+			.iph.frag_off = __bpf_constant_htons(IP_MF),
+			.tcp.doff = 5,
+			.tcp.source = 80,
+			.tcp.dest = 8080,
+		},
+		.keys = {
+			.nhoff = ETH_HLEN,
+			.thoff = ETH_HLEN + sizeof(struct iphdr),
+			.addr_proto = ETH_P_IP,
+			.ip_proto = IPPROTO_TCP,
+			.n_proto = __bpf_constant_htons(ETH_P_IP),
+			.is_frag = true,
+			.is_first_frag = true,
+		},
+		.retval = BPF_OK,
+	},
+	{
+		.name = "ipv6-frag",
+		.pkt.ipv6_frag = {
+			.eth.h_proto = __bpf_constant_htons(ETH_P_IPV6),
+			.iph.nexthdr = IPPROTO_FRAGMENT,
+			.iph.payload_len = __bpf_constant_htons(MAGIC_BYTES),
+			.ipf.nexthdr = IPPROTO_TCP,
+			.tcp.doff = 5,
+			.tcp.source = 80,
+			.tcp.dest = 8080,
+		},
+		.keys = {
+			.flags = BPF_FLOW_DISSECTOR_F_PARSE_1ST_FRAG,
+			.nhoff = ETH_HLEN,
+			.thoff = ETH_HLEN + sizeof(struct ipv6hdr) +
+				sizeof(struct frag_hdr),
+			.addr_proto = ETH_P_IPV6,
+			.ip_proto = IPPROTO_TCP,
+			.n_proto = __bpf_constant_htons(ETH_P_IPV6),
+			.is_frag = true,
+			.is_first_frag = true,
+			.sport = 80,
+			.dport = 8080,
+		},
+		.flags = BPF_FLOW_DISSECTOR_F_PARSE_1ST_FRAG,
+		.retval = BPF_OK,
+	},
+	{
+		.name = "ipv6-no-frag",
+		.pkt.ipv6_frag = {
+			.eth.h_proto = __bpf_constant_htons(ETH_P_IPV6),
+			.iph.nexthdr = IPPROTO_FRAGMENT,
+			.iph.payload_len = __bpf_constant_htons(MAGIC_BYTES),
+			.ipf.nexthdr = IPPROTO_TCP,
+			.tcp.doff = 5,
+			.tcp.source = 80,
+			.tcp.dest = 8080,
+		},
+		.keys = {
+			.nhoff = ETH_HLEN,
+			.thoff = ETH_HLEN + sizeof(struct ipv6hdr) +
+				sizeof(struct frag_hdr),
+			.addr_proto = ETH_P_IPV6,
+			.ip_proto = IPPROTO_TCP,
+			.n_proto = __bpf_constant_htons(ETH_P_IPV6),
+			.is_frag = true,
+			.is_first_frag = true,
+		},
+		.retval = BPF_OK,
+	},
+	{
+		.name = "ipv6-flow-label",
+		.pkt.ipv6 = {
+			.eth.h_proto = __bpf_constant_htons(ETH_P_IPV6),
+			.iph.nexthdr = IPPROTO_TCP,
+			.iph.payload_len = __bpf_constant_htons(MAGIC_BYTES),
+			.iph.flow_lbl = { 0xb, 0xee, 0xef },
+			.tcp.doff = 5,
+			.tcp.source = 80,
+			.tcp.dest = 8080,
+		},
+		.keys = {
+			.nhoff = ETH_HLEN,
+			.thoff = ETH_HLEN + sizeof(struct ipv6hdr),
+			.addr_proto = ETH_P_IPV6,
+			.ip_proto = IPPROTO_TCP,
+			.n_proto = __bpf_constant_htons(ETH_P_IPV6),
+			.sport = 80,
+			.dport = 8080,
+			.flow_label = __bpf_constant_htonl(0xbeeef),
+		},
+		.retval = BPF_OK,
+	},
+	{
+		.name = "ipv6-no-flow-label",
+		.pkt.ipv6 = {
+			.eth.h_proto = __bpf_constant_htons(ETH_P_IPV6),
+			.iph.nexthdr = IPPROTO_TCP,
+			.iph.payload_len = __bpf_constant_htons(MAGIC_BYTES),
+			.iph.flow_lbl = { 0xb, 0xee, 0xef },
+			.tcp.doff = 5,
+			.tcp.source = 80,
+			.tcp.dest = 8080,
+		},
+		.keys = {
+			.flags = BPF_FLOW_DISSECTOR_F_STOP_AT_FLOW_LABEL,
+			.nhoff = ETH_HLEN,
+			.thoff = ETH_HLEN + sizeof(struct ipv6hdr),
+			.addr_proto = ETH_P_IPV6,
+			.ip_proto = IPPROTO_TCP,
+			.n_proto = __bpf_constant_htons(ETH_P_IPV6),
+			.flow_label = __bpf_constant_htonl(0xbeeef),
+		},
+		.flags = BPF_FLOW_DISSECTOR_F_STOP_AT_FLOW_LABEL,
+		.retval = BPF_OK,
+	},
+	{
+		.name = "ipip-encap",
+		.pkt.ipip = {
+			.eth.h_proto = __bpf_constant_htons(ETH_P_IP),
+			.iph.ihl = 5,
+			.iph.protocol = IPPROTO_IPIP,
+			.iph.tot_len = __bpf_constant_htons(MAGIC_BYTES),
+			.iph_inner.ihl = 5,
+			.iph_inner.protocol = IPPROTO_TCP,
+			.iph_inner.tot_len =
+				__bpf_constant_htons(MAGIC_BYTES) -
+				sizeof(struct iphdr),
+			.tcp.doff = 5,
+			.tcp.source = 80,
+			.tcp.dest = 8080,
+		},
+		.keys = {
+			.nhoff = ETH_HLEN,
+			.thoff = ETH_HLEN + sizeof(struct iphdr) +
+				sizeof(struct iphdr),
+			.addr_proto = ETH_P_IP,
+			.ip_proto = IPPROTO_TCP,
+			.n_proto = __bpf_constant_htons(ETH_P_IP),
+			.is_encap = true,
+			.sport = 80,
+			.dport = 8080,
+		},
+		.retval = BPF_OK,
+	},
+	{
+		.name = "ipip-no-encap",
+		.pkt.ipip = {
+			.eth.h_proto = __bpf_constant_htons(ETH_P_IP),
+			.iph.ihl = 5,
+			.iph.protocol = IPPROTO_IPIP,
+			.iph.tot_len = __bpf_constant_htons(MAGIC_BYTES),
+			.iph_inner.ihl = 5,
+			.iph_inner.protocol = IPPROTO_TCP,
+			.iph_inner.tot_len =
+				__bpf_constant_htons(MAGIC_BYTES) -
+				sizeof(struct iphdr),
+			.tcp.doff = 5,
+			.tcp.source = 80,
+			.tcp.dest = 8080,
+		},
+		.keys = {
+			.flags = BPF_FLOW_DISSECTOR_F_STOP_AT_ENCAP,
+			.nhoff = ETH_HLEN,
+			.thoff = ETH_HLEN + sizeof(struct iphdr),
+			.addr_proto = ETH_P_IP,
+			.ip_proto = IPPROTO_IPIP,
+			.n_proto = __bpf_constant_htons(ETH_P_IP),
+			.is_encap = true,
+		},
+		.flags = BPF_FLOW_DISSECTOR_F_STOP_AT_ENCAP,
+		.retval = BPF_OK,
+	},
+	{
+		.name = "ipip-encap-dissector-continue",
+		.pkt.ipip = {
+			.eth.h_proto = __bpf_constant_htons(ETH_P_IP),
+			.iph.ihl = 5,
+			.iph.protocol = IPPROTO_IPIP,
+			.iph.tot_len = __bpf_constant_htons(MAGIC_BYTES),
+			.iph.saddr = __bpf_constant_htonl(FLOW_CONTINUE_SADDR),
+			.iph_inner.ihl = 5,
+			.iph_inner.protocol = IPPROTO_TCP,
+			.iph_inner.tot_len =
+				__bpf_constant_htons(MAGIC_BYTES) -
+				sizeof(struct iphdr),
+			.tcp.doff = 5,
+			.tcp.source = 99,
+			.tcp.dest = 9090,
+		},
+		.retval = BPF_FLOW_DISSECTOR_CONTINUE,
+	},
+};
+
+static int create_tap(const char *ifname)
+{
+	struct ifreq ifr = {
+		.ifr_flags = IFF_TAP | IFF_NO_PI | IFF_NAPI | IFF_NAPI_FRAGS,
+	};
+	int fd, ret;
+
+	strncpy(ifr.ifr_name, ifname, sizeof(ifr.ifr_name));
+
+	fd = open("/dev/net/tun", O_RDWR);
+	if (fd < 0)
+		return -1;
+
+	ret = ioctl(fd, TUNSETIFF, &ifr);
+	if (ret)
+		return -1;
+
+	return fd;
+}
+
+static int tx_tap(int fd, void *pkt, size_t len)
+{
+	struct iovec iov[] = {
+		{
+			.iov_len = len,
+			.iov_base = pkt,
+		},
+	};
+	return writev(fd, iov, ARRAY_SIZE(iov));
+}
+
+static int ifup(const char *ifname)
+{
+	struct ifreq ifr = {};
+	int sk, ret;
+
+	strncpy(ifr.ifr_name, ifname, sizeof(ifr.ifr_name));
+
+	sk = socket(PF_INET, SOCK_DGRAM, 0);
+	if (sk < 0)
+		return -1;
+
+	ret = ioctl(sk, SIOCGIFFLAGS, &ifr);
+	if (ret) {
+		close(sk);
+		return -1;
+	}
+
+	ifr.ifr_flags |= IFF_UP;
+	ret = ioctl(sk, SIOCSIFFLAGS, &ifr);
+	if (ret) {
+		close(sk);
+		return -1;
+	}
+
+	close(sk);
+	return 0;
+}
+
+static int init_prog_array(struct bpf_object *obj, struct bpf_map *prog_array)
+{
+	int i, err, map_fd, prog_fd;
+	struct bpf_program *prog;
+	char prog_name[32];
+
+	map_fd = bpf_map__fd(prog_array);
+	if (map_fd < 0)
+		return -1;
+
+	for (i = 0; i < bpf_map__max_entries(prog_array); i++) {
+		snprintf(prog_name, sizeof(prog_name), "flow_dissector_%d", i);
+
+		prog = bpf_object__find_program_by_name(obj, prog_name);
+		if (!prog)
+			return -1;
+
+		prog_fd = bpf_program__fd(prog);
+		if (prog_fd < 0)
+			return -1;
+
+		err = bpf_map_update_elem(map_fd, &i, &prog_fd, BPF_ANY);
+		if (err)
+			return -1;
+	}
+	return 0;
+}
+
+static void run_tests_skb_less(int tap_fd, struct bpf_map *keys)
+{
+	int i, err, keys_fd;
+
+	keys_fd = bpf_map__fd(keys);
+	if (CHECK(keys_fd < 0, "bpf_map__fd", "err %d\n", keys_fd))
+		return;
+
+	for (i = 0; i < ARRAY_SIZE(tests); i++) {
+		/* Keep in sync with 'flags' from eth_get_headlen. */
+		__u32 eth_get_headlen_flags =
+			BPF_FLOW_DISSECTOR_F_PARSE_1ST_FRAG;
+		LIBBPF_OPTS(bpf_test_run_opts, topts);
+		struct bpf_flow_keys flow_keys = {};
+		__u32 key = (__u32)(tests[i].keys.sport) << 16 |
+			    tests[i].keys.dport;
+
+		/* For skb-less case we can't pass input flags; run
+		 * only the tests that have a matching set of flags.
+		 */
+
+		if (tests[i].flags != eth_get_headlen_flags)
+			continue;
+
+		err = tx_tap(tap_fd, &tests[i].pkt, sizeof(tests[i].pkt));
+		CHECK(err < 0, "tx_tap", "err %d errno %d\n", err, errno);
+
+		/* check the stored flow_keys only if BPF_OK expected */
+		if (tests[i].retval != BPF_OK)
+			continue;
+
+		err = bpf_map_lookup_elem(keys_fd, &key, &flow_keys);
+		ASSERT_OK(err, "bpf_map_lookup_elem");
+
+		CHECK_FLOW_KEYS(tests[i].name, flow_keys, tests[i].keys);
+
+		err = bpf_map_delete_elem(keys_fd, &key);
+		ASSERT_OK(err, "bpf_map_delete_elem");
+	}
+}
+
+static void test_skb_less_prog_attach(struct bpf_flow *skel, int tap_fd)
+{
+	int err, prog_fd;
+
+	prog_fd = bpf_program__fd(skel->progs._dissect);
+	if (CHECK(prog_fd < 0, "bpf_program__fd", "err %d\n", prog_fd))
+		return;
+
+	err = bpf_prog_attach(prog_fd, 0, BPF_FLOW_DISSECTOR, 0);
+	if (CHECK(err, "bpf_prog_attach", "err %d errno %d\n", err, errno))
+		return;
+
+	run_tests_skb_less(tap_fd, skel->maps.last_dissection);
+
+	err = bpf_prog_detach2(prog_fd, 0, BPF_FLOW_DISSECTOR);
+	CHECK(err, "bpf_prog_detach2", "err %d errno %d\n", err, errno);
+}
+
+static void test_skb_less_link_create(struct bpf_flow *skel, int tap_fd)
+{
+	struct bpf_link *link;
+	int err, net_fd;
+
+	net_fd = open("/proc/self/ns/net", O_RDONLY);
+	if (CHECK(net_fd < 0, "open(/proc/self/ns/net)", "err %d\n", errno))
+		return;
+
+	link = bpf_program__attach_netns(skel->progs._dissect, net_fd);
+	if (!ASSERT_OK_PTR(link, "attach_netns"))
+		goto out_close;
+
+	run_tests_skb_less(tap_fd, skel->maps.last_dissection);
+
+	err = bpf_link__destroy(link);
+	CHECK(err, "bpf_link__destroy", "err %d\n", err);
+out_close:
+	close(net_fd);
+}
+
+void test_flow_dissector(void)
+{
+	int i, err, prog_fd, keys_fd = -1, tap_fd;
+	struct bpf_flow *skel;
+
+	skel = bpf_flow__open_and_load();
+	if (CHECK(!skel, "skel", "failed to open/load skeleton\n"))
+		return;
+
+	prog_fd = bpf_program__fd(skel->progs._dissect);
+	if (CHECK(prog_fd < 0, "bpf_program__fd", "err %d\n", prog_fd))
+		goto out_destroy_skel;
+	keys_fd = bpf_map__fd(skel->maps.last_dissection);
+	if (CHECK(keys_fd < 0, "bpf_map__fd", "err %d\n", keys_fd))
+		goto out_destroy_skel;
+	err = init_prog_array(skel->obj, skel->maps.jmp_table);
+	if (CHECK(err, "init_prog_array", "err %d\n", err))
+		goto out_destroy_skel;
+
+	for (i = 0; i < ARRAY_SIZE(tests); i++) {
+		struct bpf_flow_keys flow_keys;
+		LIBBPF_OPTS(bpf_test_run_opts, topts,
+			.data_in = &tests[i].pkt,
+			.data_size_in = sizeof(tests[i].pkt),
+			.data_out = &flow_keys,
+		);
+		static struct bpf_flow_keys ctx = {};
+
+		if (tests[i].flags) {
+			topts.ctx_in = &ctx;
+			topts.ctx_size_in = sizeof(ctx);
+			ctx.flags = tests[i].flags;
+		}
+
+		err = bpf_prog_test_run_opts(prog_fd, &topts);
+		ASSERT_OK(err, "test_run");
+		ASSERT_EQ(topts.retval, tests[i].retval, "test_run retval");
+
+		/* check the resulting flow_keys only if BPF_OK returned */
+		if (topts.retval != BPF_OK)
+			continue;
+		ASSERT_EQ(topts.data_size_out, sizeof(flow_keys),
+			  "test_run data_size_out");
+		CHECK_FLOW_KEYS(tests[i].name, flow_keys, tests[i].keys);
+	}
+
+	/* Do the same tests but for skb-less flow dissector.
+	 * We use a known path in the net/tun driver that calls
+	 * eth_get_headlen and we manually export bpf_flow_keys
+	 * via BPF map in this case.
+	 */
+
+	tap_fd = create_tap("tap0");
+	CHECK(tap_fd < 0, "create_tap", "tap_fd %d errno %d\n", tap_fd, errno);
+	err = ifup("tap0");
+	CHECK(err, "ifup", "err %d errno %d\n", err, errno);
+
+	/* Test direct prog attachment */
+	test_skb_less_prog_attach(skel, tap_fd);
+	/* Test indirect prog attachment via link */
+	test_skb_less_link_create(skel, tap_fd);
+
+	close(tap_fd);
+out_destroy_skel:
+	bpf_flow__destroy(skel);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/flow_dissector_load_bytes.c b/tools/testing/selftests/bpf/prog_tests/flow_dissector_load_bytes.c
new file mode 100644
index 000000000..c7a47b57a
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/flow_dissector_load_bytes.c
@@ -0,0 +1,51 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <test_progs.h>
+#include <network_helpers.h>
+
+void serial_test_flow_dissector_load_bytes(void)
+{
+	struct bpf_flow_keys flow_keys;
+	struct bpf_insn prog[] = {
+		// BPF_REG_1 - 1st argument: context
+		// BPF_REG_2 - 2nd argument: offset, start at first byte
+		BPF_MOV64_IMM(BPF_REG_2, 0),
+		// BPF_REG_3 - 3rd argument: destination, reserve byte on stack
+		BPF_ALU64_REG(BPF_MOV, BPF_REG_3, BPF_REG_10),
+		BPF_ALU64_IMM(BPF_ADD, BPF_REG_3, -1),
+		// BPF_REG_4 - 4th argument: copy one byte
+		BPF_MOV64_IMM(BPF_REG_4, 1),
+		// bpf_skb_load_bytes(ctx, sizeof(pkt_v4), ptr, 1)
+		BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
+			     BPF_FUNC_skb_load_bytes),
+		BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 2),
+		// if (ret == 0) return BPF_DROP (2)
+		BPF_MOV64_IMM(BPF_REG_0, BPF_DROP),
+		BPF_EXIT_INSN(),
+		// if (ret != 0) return BPF_OK (0)
+		BPF_MOV64_IMM(BPF_REG_0, BPF_OK),
+		BPF_EXIT_INSN(),
+	};
+	int fd, err;
+	LIBBPF_OPTS(bpf_test_run_opts, topts,
+		.data_in = &pkt_v4,
+		.data_size_in = sizeof(pkt_v4),
+		.data_out = &flow_keys,
+		.data_size_out = sizeof(flow_keys),
+		.repeat = 1,
+	);
+
+	/* make sure bpf_skb_load_bytes is not allowed from skb-less context
+	 */
+	fd = bpf_test_load_program(BPF_PROG_TYPE_FLOW_DISSECTOR, prog,
+			      ARRAY_SIZE(prog), "GPL", 0, NULL, 0);
+	ASSERT_GE(fd, 0, "bpf_test_load_program good fd");
+
+	err = bpf_prog_test_run_opts(fd, &topts);
+	ASSERT_OK(err, "test_run");
+	ASSERT_EQ(topts.data_size_out, sizeof(flow_keys),
+		  "test_run data_size_out");
+	ASSERT_EQ(topts.retval, BPF_OK, "test_run retval");
+
+	if (fd >= -1)
+		close(fd);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/flow_dissector_reattach.c b/tools/testing/selftests/bpf/prog_tests/flow_dissector_reattach.c
new file mode 100644
index 000000000..7c79462d2
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/flow_dissector_reattach.c
@@ -0,0 +1,678 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Tests for attaching, detaching, and replacing flow_dissector BPF program.
+ */
+
+#define _GNU_SOURCE
+#include <errno.h>
+#include <fcntl.h>
+#include <sched.h>
+#include <stdbool.h>
+#include <sys/stat.h>
+#include <unistd.h>
+
+#include <linux/bpf.h>
+#include <bpf/bpf.h>
+
+#include "test_progs.h"
+
+static int init_net = -1;
+
+static __u32 query_attached_prog_id(int netns)
+{
+	__u32 prog_ids[1] = {};
+	__u32 prog_cnt = ARRAY_SIZE(prog_ids);
+	int err;
+
+	err = bpf_prog_query(netns, BPF_FLOW_DISSECTOR, 0, NULL,
+			     prog_ids, &prog_cnt);
+	if (CHECK_FAIL(err)) {
+		perror("bpf_prog_query");
+		return 0;
+	}
+
+	return prog_cnt == 1 ? prog_ids[0] : 0;
+}
+
+static bool prog_is_attached(int netns)
+{
+	return query_attached_prog_id(netns) > 0;
+}
+
+static int load_prog(enum bpf_prog_type type)
+{
+	struct bpf_insn prog[] = {
+		BPF_MOV64_IMM(BPF_REG_0, BPF_OK),
+		BPF_EXIT_INSN(),
+	};
+	int fd;
+
+	fd = bpf_test_load_program(type, prog, ARRAY_SIZE(prog), "GPL", 0, NULL, 0);
+	if (CHECK_FAIL(fd < 0))
+		perror("bpf_test_load_program");
+
+	return fd;
+}
+
+static __u32 query_prog_id(int prog)
+{
+	struct bpf_prog_info info = {};
+	__u32 info_len = sizeof(info);
+	int err;
+
+	err = bpf_obj_get_info_by_fd(prog, &info, &info_len);
+	if (CHECK_FAIL(err || info_len != sizeof(info))) {
+		perror("bpf_obj_get_info_by_fd");
+		return 0;
+	}
+
+	return info.id;
+}
+
+static int unshare_net(int old_net)
+{
+	int err, new_net;
+
+	err = unshare(CLONE_NEWNET);
+	if (CHECK_FAIL(err)) {
+		perror("unshare(CLONE_NEWNET)");
+		return -1;
+	}
+	new_net = open("/proc/self/ns/net", O_RDONLY);
+	if (CHECK_FAIL(new_net < 0)) {
+		perror("open(/proc/self/ns/net)");
+		setns(old_net, CLONE_NEWNET);
+		return -1;
+	}
+	return new_net;
+}
+
+static void test_prog_attach_prog_attach(int netns, int prog1, int prog2)
+{
+	int err;
+
+	err = bpf_prog_attach(prog1, 0, BPF_FLOW_DISSECTOR, 0);
+	if (CHECK_FAIL(err)) {
+		perror("bpf_prog_attach(prog1)");
+		return;
+	}
+	CHECK_FAIL(query_attached_prog_id(netns) != query_prog_id(prog1));
+
+	/* Expect success when attaching a different program */
+	err = bpf_prog_attach(prog2, 0, BPF_FLOW_DISSECTOR, 0);
+	if (CHECK_FAIL(err)) {
+		perror("bpf_prog_attach(prog2) #1");
+		goto out_detach;
+	}
+	CHECK_FAIL(query_attached_prog_id(netns) != query_prog_id(prog2));
+
+	/* Expect failure when attaching the same program twice */
+	err = bpf_prog_attach(prog2, 0, BPF_FLOW_DISSECTOR, 0);
+	if (CHECK_FAIL(!err || errno != EINVAL))
+		perror("bpf_prog_attach(prog2) #2");
+	CHECK_FAIL(query_attached_prog_id(netns) != query_prog_id(prog2));
+
+out_detach:
+	err = bpf_prog_detach2(prog2, 0, BPF_FLOW_DISSECTOR);
+	if (CHECK_FAIL(err))
+		perror("bpf_prog_detach");
+	CHECK_FAIL(prog_is_attached(netns));
+}
+
+static void test_link_create_link_create(int netns, int prog1, int prog2)
+{
+	DECLARE_LIBBPF_OPTS(bpf_link_create_opts, opts);
+	int link1, link2;
+
+	link1 = bpf_link_create(prog1, netns, BPF_FLOW_DISSECTOR, &opts);
+	if (CHECK_FAIL(link < 0)) {
+		perror("bpf_link_create(prog1)");
+		return;
+	}
+	CHECK_FAIL(query_attached_prog_id(netns) != query_prog_id(prog1));
+
+	/* Expect failure creating link when another link exists */
+	errno = 0;
+	link2 = bpf_link_create(prog2, netns, BPF_FLOW_DISSECTOR, &opts);
+	if (CHECK_FAIL(link2 >= 0 || errno != E2BIG))
+		perror("bpf_prog_attach(prog2) expected E2BIG");
+	if (link2 >= 0)
+		close(link2);
+	CHECK_FAIL(query_attached_prog_id(netns) != query_prog_id(prog1));
+
+	close(link1);
+	CHECK_FAIL(prog_is_attached(netns));
+}
+
+static void test_prog_attach_link_create(int netns, int prog1, int prog2)
+{
+	DECLARE_LIBBPF_OPTS(bpf_link_create_opts, opts);
+	int err, link;
+
+	err = bpf_prog_attach(prog1, 0, BPF_FLOW_DISSECTOR, 0);
+	if (CHECK_FAIL(err)) {
+		perror("bpf_prog_attach(prog1)");
+		return;
+	}
+	CHECK_FAIL(query_attached_prog_id(netns) != query_prog_id(prog1));
+
+	/* Expect failure creating link when prog attached */
+	errno = 0;
+	link = bpf_link_create(prog2, netns, BPF_FLOW_DISSECTOR, &opts);
+	if (CHECK_FAIL(link >= 0 || errno != EEXIST))
+		perror("bpf_link_create(prog2) expected EEXIST");
+	if (link >= 0)
+		close(link);
+	CHECK_FAIL(query_attached_prog_id(netns) != query_prog_id(prog1));
+
+	err = bpf_prog_detach2(prog1, 0, BPF_FLOW_DISSECTOR);
+	if (CHECK_FAIL(err))
+		perror("bpf_prog_detach");
+	CHECK_FAIL(prog_is_attached(netns));
+}
+
+static void test_link_create_prog_attach(int netns, int prog1, int prog2)
+{
+	DECLARE_LIBBPF_OPTS(bpf_link_create_opts, opts);
+	int err, link;
+
+	link = bpf_link_create(prog1, netns, BPF_FLOW_DISSECTOR, &opts);
+	if (CHECK_FAIL(link < 0)) {
+		perror("bpf_link_create(prog1)");
+		return;
+	}
+	CHECK_FAIL(query_attached_prog_id(netns) != query_prog_id(prog1));
+
+	/* Expect failure attaching prog when link exists */
+	errno = 0;
+	err = bpf_prog_attach(prog2, 0, BPF_FLOW_DISSECTOR, 0);
+	if (CHECK_FAIL(!err || errno != EEXIST))
+		perror("bpf_prog_attach(prog2) expected EEXIST");
+	CHECK_FAIL(query_attached_prog_id(netns) != query_prog_id(prog1));
+
+	close(link);
+	CHECK_FAIL(prog_is_attached(netns));
+}
+
+static void test_link_create_prog_detach(int netns, int prog1, int prog2)
+{
+	DECLARE_LIBBPF_OPTS(bpf_link_create_opts, opts);
+	int err, link;
+
+	link = bpf_link_create(prog1, netns, BPF_FLOW_DISSECTOR, &opts);
+	if (CHECK_FAIL(link < 0)) {
+		perror("bpf_link_create(prog1)");
+		return;
+	}
+	CHECK_FAIL(query_attached_prog_id(netns) != query_prog_id(prog1));
+
+	/* Expect failure detaching prog when link exists */
+	errno = 0;
+	err = bpf_prog_detach2(prog1, 0, BPF_FLOW_DISSECTOR);
+	if (CHECK_FAIL(!err || errno != EINVAL))
+		perror("bpf_prog_detach expected EINVAL");
+	CHECK_FAIL(query_attached_prog_id(netns) != query_prog_id(prog1));
+
+	close(link);
+	CHECK_FAIL(prog_is_attached(netns));
+}
+
+static void test_prog_attach_detach_query(int netns, int prog1, int prog2)
+{
+	int err;
+
+	err = bpf_prog_attach(prog1, 0, BPF_FLOW_DISSECTOR, 0);
+	if (CHECK_FAIL(err)) {
+		perror("bpf_prog_attach(prog1)");
+		return;
+	}
+	CHECK_FAIL(query_attached_prog_id(netns) != query_prog_id(prog1));
+
+	err = bpf_prog_detach2(prog1, 0, BPF_FLOW_DISSECTOR);
+	if (CHECK_FAIL(err)) {
+		perror("bpf_prog_detach");
+		return;
+	}
+
+	/* Expect no prog attached after successful detach */
+	CHECK_FAIL(prog_is_attached(netns));
+}
+
+static void test_link_create_close_query(int netns, int prog1, int prog2)
+{
+	DECLARE_LIBBPF_OPTS(bpf_link_create_opts, opts);
+	int link;
+
+	link = bpf_link_create(prog1, netns, BPF_FLOW_DISSECTOR, &opts);
+	if (CHECK_FAIL(link < 0)) {
+		perror("bpf_link_create(prog1)");
+		return;
+	}
+	CHECK_FAIL(query_attached_prog_id(netns) != query_prog_id(prog1));
+
+	close(link);
+	/* Expect no prog attached after closing last link FD */
+	CHECK_FAIL(prog_is_attached(netns));
+}
+
+static void test_link_update_no_old_prog(int netns, int prog1, int prog2)
+{
+	DECLARE_LIBBPF_OPTS(bpf_link_create_opts, create_opts);
+	DECLARE_LIBBPF_OPTS(bpf_link_update_opts, update_opts);
+	int err, link;
+
+	link = bpf_link_create(prog1, netns, BPF_FLOW_DISSECTOR, &create_opts);
+	if (CHECK_FAIL(link < 0)) {
+		perror("bpf_link_create(prog1)");
+		return;
+	}
+	CHECK_FAIL(query_attached_prog_id(netns) != query_prog_id(prog1));
+
+	/* Expect success replacing the prog when old prog not specified */
+	update_opts.flags = 0;
+	update_opts.old_prog_fd = 0;
+	err = bpf_link_update(link, prog2, &update_opts);
+	if (CHECK_FAIL(err))
+		perror("bpf_link_update");
+	CHECK_FAIL(query_attached_prog_id(netns) != query_prog_id(prog2));
+
+	close(link);
+	CHECK_FAIL(prog_is_attached(netns));
+}
+
+static void test_link_update_replace_old_prog(int netns, int prog1, int prog2)
+{
+	DECLARE_LIBBPF_OPTS(bpf_link_create_opts, create_opts);
+	DECLARE_LIBBPF_OPTS(bpf_link_update_opts, update_opts);
+	int err, link;
+
+	link = bpf_link_create(prog1, netns, BPF_FLOW_DISSECTOR, &create_opts);
+	if (CHECK_FAIL(link < 0)) {
+		perror("bpf_link_create(prog1)");
+		return;
+	}
+	CHECK_FAIL(query_attached_prog_id(netns) != query_prog_id(prog1));
+
+	/* Expect success F_REPLACE and old prog specified to succeed */
+	update_opts.flags = BPF_F_REPLACE;
+	update_opts.old_prog_fd = prog1;
+	err = bpf_link_update(link, prog2, &update_opts);
+	if (CHECK_FAIL(err))
+		perror("bpf_link_update");
+	CHECK_FAIL(query_attached_prog_id(netns) != query_prog_id(prog2));
+
+	close(link);
+	CHECK_FAIL(prog_is_attached(netns));
+}
+
+static void test_link_update_same_prog(int netns, int prog1, int prog2)
+{
+	DECLARE_LIBBPF_OPTS(bpf_link_create_opts, create_opts);
+	DECLARE_LIBBPF_OPTS(bpf_link_update_opts, update_opts);
+	int err, link;
+
+	link = bpf_link_create(prog1, netns, BPF_FLOW_DISSECTOR, &create_opts);
+	if (CHECK_FAIL(link < 0)) {
+		perror("bpf_link_create(prog1)");
+		return;
+	}
+	CHECK_FAIL(query_attached_prog_id(netns) != query_prog_id(prog1));
+
+	/* Expect success updating the prog with the same one */
+	update_opts.flags = 0;
+	update_opts.old_prog_fd = 0;
+	err = bpf_link_update(link, prog1, &update_opts);
+	if (CHECK_FAIL(err))
+		perror("bpf_link_update");
+	CHECK_FAIL(query_attached_prog_id(netns) != query_prog_id(prog1));
+
+	close(link);
+	CHECK_FAIL(prog_is_attached(netns));
+}
+
+static void test_link_update_invalid_opts(int netns, int prog1, int prog2)
+{
+	DECLARE_LIBBPF_OPTS(bpf_link_create_opts, create_opts);
+	DECLARE_LIBBPF_OPTS(bpf_link_update_opts, update_opts);
+	int err, link;
+
+	link = bpf_link_create(prog1, netns, BPF_FLOW_DISSECTOR, &create_opts);
+	if (CHECK_FAIL(link < 0)) {
+		perror("bpf_link_create(prog1)");
+		return;
+	}
+	CHECK_FAIL(query_attached_prog_id(netns) != query_prog_id(prog1));
+
+	/* Expect update to fail w/ old prog FD but w/o F_REPLACE*/
+	errno = 0;
+	update_opts.flags = 0;
+	update_opts.old_prog_fd = prog1;
+	err = bpf_link_update(link, prog2, &update_opts);
+	if (CHECK_FAIL(!err || errno != EINVAL)) {
+		perror("bpf_link_update expected EINVAL");
+		goto out_close;
+	}
+	CHECK_FAIL(query_attached_prog_id(netns) != query_prog_id(prog1));
+
+	/* Expect update to fail on old prog FD mismatch */
+	errno = 0;
+	update_opts.flags = BPF_F_REPLACE;
+	update_opts.old_prog_fd = prog2;
+	err = bpf_link_update(link, prog2, &update_opts);
+	if (CHECK_FAIL(!err || errno != EPERM)) {
+		perror("bpf_link_update expected EPERM");
+		goto out_close;
+	}
+	CHECK_FAIL(query_attached_prog_id(netns) != query_prog_id(prog1));
+
+	/* Expect update to fail for invalid old prog FD */
+	errno = 0;
+	update_opts.flags = BPF_F_REPLACE;
+	update_opts.old_prog_fd = -1;
+	err = bpf_link_update(link, prog2, &update_opts);
+	if (CHECK_FAIL(!err || errno != EBADF)) {
+		perror("bpf_link_update expected EBADF");
+		goto out_close;
+	}
+	CHECK_FAIL(query_attached_prog_id(netns) != query_prog_id(prog1));
+
+	/* Expect update to fail with invalid flags */
+	errno = 0;
+	update_opts.flags = BPF_F_ALLOW_MULTI;
+	update_opts.old_prog_fd = 0;
+	err = bpf_link_update(link, prog2, &update_opts);
+	if (CHECK_FAIL(!err || errno != EINVAL))
+		perror("bpf_link_update expected EINVAL");
+	CHECK_FAIL(query_attached_prog_id(netns) != query_prog_id(prog1));
+
+out_close:
+	close(link);
+	CHECK_FAIL(prog_is_attached(netns));
+}
+
+static void test_link_update_invalid_prog(int netns, int prog1, int prog2)
+{
+	DECLARE_LIBBPF_OPTS(bpf_link_create_opts, create_opts);
+	DECLARE_LIBBPF_OPTS(bpf_link_update_opts, update_opts);
+	int err, link, prog3;
+
+	link = bpf_link_create(prog1, netns, BPF_FLOW_DISSECTOR, &create_opts);
+	if (CHECK_FAIL(link < 0)) {
+		perror("bpf_link_create(prog1)");
+		return;
+	}
+	CHECK_FAIL(query_attached_prog_id(netns) != query_prog_id(prog1));
+
+	/* Expect failure when new prog FD is not valid */
+	errno = 0;
+	update_opts.flags = 0;
+	update_opts.old_prog_fd = 0;
+	err = bpf_link_update(link, -1, &update_opts);
+	if (CHECK_FAIL(!err || errno != EBADF)) {
+		perror("bpf_link_update expected EINVAL");
+		goto out_close_link;
+	}
+	CHECK_FAIL(query_attached_prog_id(netns) != query_prog_id(prog1));
+
+	prog3 = load_prog(BPF_PROG_TYPE_SOCKET_FILTER);
+	if (prog3 < 0)
+		goto out_close_link;
+
+	/* Expect failure when new prog FD type doesn't match */
+	errno = 0;
+	update_opts.flags = 0;
+	update_opts.old_prog_fd = 0;
+	err = bpf_link_update(link, prog3, &update_opts);
+	if (CHECK_FAIL(!err || errno != EINVAL))
+		perror("bpf_link_update expected EINVAL");
+	CHECK_FAIL(query_attached_prog_id(netns) != query_prog_id(prog1));
+
+	close(prog3);
+out_close_link:
+	close(link);
+	CHECK_FAIL(prog_is_attached(netns));
+}
+
+static void test_link_update_netns_gone(int netns, int prog1, int prog2)
+{
+	DECLARE_LIBBPF_OPTS(bpf_link_create_opts, create_opts);
+	DECLARE_LIBBPF_OPTS(bpf_link_update_opts, update_opts);
+	int err, link, old_net;
+
+	old_net = netns;
+	netns = unshare_net(old_net);
+	if (netns < 0)
+		return;
+
+	link = bpf_link_create(prog1, netns, BPF_FLOW_DISSECTOR, &create_opts);
+	if (CHECK_FAIL(link < 0)) {
+		perror("bpf_link_create(prog1)");
+		return;
+	}
+	CHECK_FAIL(query_attached_prog_id(netns) != query_prog_id(prog1));
+
+	close(netns);
+	err = setns(old_net, CLONE_NEWNET);
+	if (CHECK_FAIL(err)) {
+		perror("setns(CLONE_NEWNET)");
+		close(link);
+		return;
+	}
+
+	/* Expect failure when netns destroyed */
+	errno = 0;
+	update_opts.flags = 0;
+	update_opts.old_prog_fd = 0;
+	err = bpf_link_update(link, prog2, &update_opts);
+	if (CHECK_FAIL(!err || errno != ENOLINK))
+		perror("bpf_link_update");
+
+	close(link);
+}
+
+static void test_link_get_info(int netns, int prog1, int prog2)
+{
+	DECLARE_LIBBPF_OPTS(bpf_link_create_opts, create_opts);
+	DECLARE_LIBBPF_OPTS(bpf_link_update_opts, update_opts);
+	struct bpf_link_info info = {};
+	struct stat netns_stat = {};
+	__u32 info_len, link_id;
+	int err, link, old_net;
+
+	old_net = netns;
+	netns = unshare_net(old_net);
+	if (netns < 0)
+		return;
+
+	err = fstat(netns, &netns_stat);
+	if (CHECK_FAIL(err)) {
+		perror("stat(netns)");
+		goto out_resetns;
+	}
+
+	link = bpf_link_create(prog1, netns, BPF_FLOW_DISSECTOR, &create_opts);
+	if (CHECK_FAIL(link < 0)) {
+		perror("bpf_link_create(prog1)");
+		goto out_resetns;
+	}
+
+	info_len = sizeof(info);
+	err = bpf_obj_get_info_by_fd(link, &info, &info_len);
+	if (CHECK_FAIL(err)) {
+		perror("bpf_obj_get_info");
+		goto out_unlink;
+	}
+	CHECK_FAIL(info_len != sizeof(info));
+
+	/* Expect link info to be sane and match prog and netns details */
+	CHECK_FAIL(info.type != BPF_LINK_TYPE_NETNS);
+	CHECK_FAIL(info.id == 0);
+	CHECK_FAIL(info.prog_id != query_prog_id(prog1));
+	CHECK_FAIL(info.netns.netns_ino != netns_stat.st_ino);
+	CHECK_FAIL(info.netns.attach_type != BPF_FLOW_DISSECTOR);
+
+	update_opts.flags = 0;
+	update_opts.old_prog_fd = 0;
+	err = bpf_link_update(link, prog2, &update_opts);
+	if (CHECK_FAIL(err)) {
+		perror("bpf_link_update(prog2)");
+		goto out_unlink;
+	}
+
+	link_id = info.id;
+	info_len = sizeof(info);
+	err = bpf_obj_get_info_by_fd(link, &info, &info_len);
+	if (CHECK_FAIL(err)) {
+		perror("bpf_obj_get_info");
+		goto out_unlink;
+	}
+	CHECK_FAIL(info_len != sizeof(info));
+
+	/* Expect no info change after update except in prog id */
+	CHECK_FAIL(info.type != BPF_LINK_TYPE_NETNS);
+	CHECK_FAIL(info.id != link_id);
+	CHECK_FAIL(info.prog_id != query_prog_id(prog2));
+	CHECK_FAIL(info.netns.netns_ino != netns_stat.st_ino);
+	CHECK_FAIL(info.netns.attach_type != BPF_FLOW_DISSECTOR);
+
+	/* Leave netns link is attached to and close last FD to it */
+	err = setns(old_net, CLONE_NEWNET);
+	if (CHECK_FAIL(err)) {
+		perror("setns(NEWNET)");
+		goto out_unlink;
+	}
+	close(netns);
+	old_net = -1;
+	netns = -1;
+
+	info_len = sizeof(info);
+	err = bpf_obj_get_info_by_fd(link, &info, &info_len);
+	if (CHECK_FAIL(err)) {
+		perror("bpf_obj_get_info");
+		goto out_unlink;
+	}
+	CHECK_FAIL(info_len != sizeof(info));
+
+	/* Expect netns_ino to change to 0 */
+	CHECK_FAIL(info.type != BPF_LINK_TYPE_NETNS);
+	CHECK_FAIL(info.id != link_id);
+	CHECK_FAIL(info.prog_id != query_prog_id(prog2));
+	CHECK_FAIL(info.netns.netns_ino != 0);
+	CHECK_FAIL(info.netns.attach_type != BPF_FLOW_DISSECTOR);
+
+out_unlink:
+	close(link);
+out_resetns:
+	if (old_net != -1)
+		setns(old_net, CLONE_NEWNET);
+	if (netns != -1)
+		close(netns);
+}
+
+static void run_tests(int netns)
+{
+	struct test {
+		const char *test_name;
+		void (*test_func)(int netns, int prog1, int prog2);
+	} tests[] = {
+		{ "prog attach, prog attach",
+		  test_prog_attach_prog_attach },
+		{ "link create, link create",
+		  test_link_create_link_create },
+		{ "prog attach, link create",
+		  test_prog_attach_link_create },
+		{ "link create, prog attach",
+		  test_link_create_prog_attach },
+		{ "link create, prog detach",
+		  test_link_create_prog_detach },
+		{ "prog attach, detach, query",
+		  test_prog_attach_detach_query },
+		{ "link create, close, query",
+		  test_link_create_close_query },
+		{ "link update no old prog",
+		  test_link_update_no_old_prog },
+		{ "link update with replace old prog",
+		  test_link_update_replace_old_prog },
+		{ "link update with same prog",
+		  test_link_update_same_prog },
+		{ "link update invalid opts",
+		  test_link_update_invalid_opts },
+		{ "link update invalid prog",
+		  test_link_update_invalid_prog },
+		{ "link update netns gone",
+		  test_link_update_netns_gone },
+		{ "link get info",
+		  test_link_get_info },
+	};
+	int i, progs[2] = { -1, -1 };
+	char test_name[80];
+
+	for (i = 0; i < ARRAY_SIZE(progs); i++) {
+		progs[i] = load_prog(BPF_PROG_TYPE_FLOW_DISSECTOR);
+		if (progs[i] < 0)
+			goto out_close;
+	}
+
+	for (i = 0; i < ARRAY_SIZE(tests); i++) {
+		snprintf(test_name, sizeof(test_name),
+			 "flow dissector %s%s",
+			 tests[i].test_name,
+			 netns == init_net ? " (init_net)" : "");
+		if (test__start_subtest(test_name))
+			tests[i].test_func(netns, progs[0], progs[1]);
+	}
+out_close:
+	for (i = 0; i < ARRAY_SIZE(progs); i++) {
+		if (progs[i] >= 0)
+			CHECK_FAIL(close(progs[i]));
+	}
+}
+
+void serial_test_flow_dissector_reattach(void)
+{
+	int err, new_net, saved_net;
+
+	saved_net = open("/proc/self/ns/net", O_RDONLY);
+	if (CHECK_FAIL(saved_net < 0)) {
+		perror("open(/proc/self/ns/net");
+		return;
+	}
+
+	init_net = open("/proc/1/ns/net", O_RDONLY);
+	if (CHECK_FAIL(init_net < 0)) {
+		perror("open(/proc/1/ns/net)");
+		goto out_close;
+	}
+
+	err = setns(init_net, CLONE_NEWNET);
+	if (CHECK_FAIL(err)) {
+		perror("setns(/proc/1/ns/net)");
+		goto out_close;
+	}
+
+	if (prog_is_attached(init_net)) {
+		test__skip();
+		printf("Can't test with flow dissector attached to init_net\n");
+		goto out_setns;
+	}
+
+	/* First run tests in root network namespace */
+	run_tests(init_net);
+
+	/* Then repeat tests in a non-root namespace */
+	new_net = unshare_net(init_net);
+	if (new_net < 0)
+		goto out_setns;
+	run_tests(new_net);
+	close(new_net);
+
+out_setns:
+	/* Move back to netns we started in. */
+	err = setns(saved_net, CLONE_NEWNET);
+	if (CHECK_FAIL(err))
+		perror("setns(/proc/self/ns/net)");
+
+out_close:
+	close(init_net);
+	close(saved_net);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/for_each.c b/tools/testing/selftests/bpf/prog_tests/for_each.c
new file mode 100644
index 000000000..8963f8a54
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/for_each.c
@@ -0,0 +1,154 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2021 Facebook */
+#include <test_progs.h>
+#include <network_helpers.h>
+#include "for_each_hash_map_elem.skel.h"
+#include "for_each_array_map_elem.skel.h"
+#include "for_each_map_elem_write_key.skel.h"
+
+static unsigned int duration;
+
+static void test_hash_map(void)
+{
+	int i, err, max_entries;
+	struct for_each_hash_map_elem *skel;
+	__u64 *percpu_valbuf = NULL;
+	size_t percpu_val_sz;
+	__u32 key, num_cpus;
+	__u64 val;
+	LIBBPF_OPTS(bpf_test_run_opts, topts,
+		.data_in = &pkt_v4,
+		.data_size_in = sizeof(pkt_v4),
+		.repeat = 1,
+	);
+
+	skel = for_each_hash_map_elem__open_and_load();
+	if (!ASSERT_OK_PTR(skel, "for_each_hash_map_elem__open_and_load"))
+		return;
+
+	max_entries = bpf_map__max_entries(skel->maps.hashmap);
+	for (i = 0; i < max_entries; i++) {
+		key = i;
+		val = i + 1;
+		err = bpf_map__update_elem(skel->maps.hashmap, &key, sizeof(key),
+					   &val, sizeof(val), BPF_ANY);
+		if (!ASSERT_OK(err, "map_update"))
+			goto out;
+	}
+
+	num_cpus = bpf_num_possible_cpus();
+	percpu_val_sz = sizeof(__u64) * num_cpus;
+	percpu_valbuf = malloc(percpu_val_sz);
+	if (!ASSERT_OK_PTR(percpu_valbuf, "percpu_valbuf"))
+		goto out;
+
+	key = 1;
+	for (i = 0; i < num_cpus; i++)
+		percpu_valbuf[i] = i + 1;
+	err = bpf_map__update_elem(skel->maps.percpu_map, &key, sizeof(key),
+				   percpu_valbuf, percpu_val_sz, BPF_ANY);
+	if (!ASSERT_OK(err, "percpu_map_update"))
+		goto out;
+
+	err = bpf_prog_test_run_opts(bpf_program__fd(skel->progs.test_pkt_access), &topts);
+	duration = topts.duration;
+	if (CHECK(err || topts.retval, "ipv4", "err %d errno %d retval %d\n",
+		  err, errno, topts.retval))
+		goto out;
+
+	ASSERT_EQ(skel->bss->hashmap_output, 4, "hashmap_output");
+	ASSERT_EQ(skel->bss->hashmap_elems, max_entries, "hashmap_elems");
+
+	key = 1;
+	err = bpf_map__lookup_elem(skel->maps.hashmap, &key, sizeof(key), &val, sizeof(val), 0);
+	ASSERT_ERR(err, "hashmap_lookup");
+
+	ASSERT_EQ(skel->bss->percpu_called, 1, "percpu_called");
+	ASSERT_LT(skel->bss->cpu, num_cpus, "num_cpus");
+	ASSERT_EQ(skel->bss->percpu_map_elems, 1, "percpu_map_elems");
+	ASSERT_EQ(skel->bss->percpu_key, 1, "percpu_key");
+	ASSERT_EQ(skel->bss->percpu_val, skel->bss->cpu + 1, "percpu_val");
+	ASSERT_EQ(skel->bss->percpu_output, 100, "percpu_output");
+out:
+	free(percpu_valbuf);
+	for_each_hash_map_elem__destroy(skel);
+}
+
+static void test_array_map(void)
+{
+	__u32 key, num_cpus, max_entries;
+	int i, err;
+	struct for_each_array_map_elem *skel;
+	__u64 *percpu_valbuf = NULL;
+	size_t percpu_val_sz;
+	__u64 val, expected_total;
+	LIBBPF_OPTS(bpf_test_run_opts, topts,
+		.data_in = &pkt_v4,
+		.data_size_in = sizeof(pkt_v4),
+		.repeat = 1,
+	);
+
+	skel = for_each_array_map_elem__open_and_load();
+	if (!ASSERT_OK_PTR(skel, "for_each_array_map_elem__open_and_load"))
+		return;
+
+	expected_total = 0;
+	max_entries = bpf_map__max_entries(skel->maps.arraymap);
+	for (i = 0; i < max_entries; i++) {
+		key = i;
+		val = i + 1;
+		/* skip the last iteration for expected total */
+		if (i != max_entries - 1)
+			expected_total += val;
+		err = bpf_map__update_elem(skel->maps.arraymap, &key, sizeof(key),
+					   &val, sizeof(val), BPF_ANY);
+		if (!ASSERT_OK(err, "map_update"))
+			goto out;
+	}
+
+	num_cpus = bpf_num_possible_cpus();
+	percpu_val_sz = sizeof(__u64) * num_cpus;
+	percpu_valbuf = malloc(percpu_val_sz);
+	if (!ASSERT_OK_PTR(percpu_valbuf, "percpu_valbuf"))
+		goto out;
+
+	key = 0;
+	for (i = 0; i < num_cpus; i++)
+		percpu_valbuf[i] = i + 1;
+	err = bpf_map__update_elem(skel->maps.percpu_map, &key, sizeof(key),
+				   percpu_valbuf, percpu_val_sz, BPF_ANY);
+	if (!ASSERT_OK(err, "percpu_map_update"))
+		goto out;
+
+	err = bpf_prog_test_run_opts(bpf_program__fd(skel->progs.test_pkt_access), &topts);
+	duration = topts.duration;
+	if (CHECK(err || topts.retval, "ipv4", "err %d errno %d retval %d\n",
+		  err, errno, topts.retval))
+		goto out;
+
+	ASSERT_EQ(skel->bss->arraymap_output, expected_total, "array_output");
+	ASSERT_EQ(skel->bss->cpu + 1, skel->bss->percpu_val, "percpu_val");
+
+out:
+	free(percpu_valbuf);
+	for_each_array_map_elem__destroy(skel);
+}
+
+static void test_write_map_key(void)
+{
+	struct for_each_map_elem_write_key *skel;
+
+	skel = for_each_map_elem_write_key__open_and_load();
+	if (!ASSERT_ERR_PTR(skel, "for_each_map_elem_write_key__open_and_load"))
+		for_each_map_elem_write_key__destroy(skel);
+}
+
+void test_for_each(void)
+{
+	if (test__start_subtest("hash_map"))
+		test_hash_map();
+	if (test__start_subtest("array_map"))
+		test_array_map();
+	if (test__start_subtest("write_map_key"))
+		test_write_map_key();
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/get_branch_snapshot.c b/tools/testing/selftests/bpf/prog_tests/get_branch_snapshot.c
new file mode 100644
index 000000000..3948da12a
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/get_branch_snapshot.c
@@ -0,0 +1,130 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2021 Facebook */
+#include <test_progs.h>
+#include "get_branch_snapshot.skel.h"
+
+static int *pfd_array;
+static int cpu_cnt;
+
+static bool is_hypervisor(void)
+{
+	char *line = NULL;
+	bool ret = false;
+	size_t len;
+	FILE *fp;
+
+	fp = fopen("/proc/cpuinfo", "r");
+	if (!fp)
+		return false;
+
+	while (getline(&line, &len, fp) != -1) {
+		if (!strncmp(line, "flags", 5)) {
+			if (strstr(line, "hypervisor") != NULL)
+				ret = true;
+			break;
+		}
+	}
+
+	free(line);
+	fclose(fp);
+	return ret;
+}
+
+static int create_perf_events(void)
+{
+	struct perf_event_attr attr = {0};
+	int cpu;
+
+	/* create perf event */
+	attr.size = sizeof(attr);
+	attr.type = PERF_TYPE_RAW;
+	attr.config = 0x1b00;
+	attr.sample_type = PERF_SAMPLE_BRANCH_STACK;
+	attr.branch_sample_type = PERF_SAMPLE_BRANCH_KERNEL |
+		PERF_SAMPLE_BRANCH_USER | PERF_SAMPLE_BRANCH_ANY;
+
+	cpu_cnt = libbpf_num_possible_cpus();
+	pfd_array = malloc(sizeof(int) * cpu_cnt);
+	if (!pfd_array) {
+		cpu_cnt = 0;
+		return 1;
+	}
+
+	for (cpu = 0; cpu < cpu_cnt; cpu++) {
+		pfd_array[cpu] = syscall(__NR_perf_event_open, &attr,
+					 -1, cpu, -1, PERF_FLAG_FD_CLOEXEC);
+		if (pfd_array[cpu] < 0)
+			break;
+	}
+
+	return cpu == 0;
+}
+
+static void close_perf_events(void)
+{
+	int cpu, fd;
+
+	for (cpu = 0; cpu < cpu_cnt; cpu++) {
+		fd = pfd_array[cpu];
+		if (fd < 0)
+			break;
+		close(fd);
+	}
+	free(pfd_array);
+}
+
+void serial_test_get_branch_snapshot(void)
+{
+	struct get_branch_snapshot *skel = NULL;
+	int err;
+
+	/* Skip the test before we fix LBR snapshot for hypervisor. */
+	if (is_hypervisor()) {
+		test__skip();
+		return;
+	}
+
+	if (create_perf_events()) {
+		test__skip();  /* system doesn't support LBR */
+		goto cleanup;
+	}
+
+	skel = get_branch_snapshot__open_and_load();
+	if (!ASSERT_OK_PTR(skel, "get_branch_snapshot__open_and_load"))
+		goto cleanup;
+
+	err = kallsyms_find("bpf_testmod_loop_test", &skel->bss->address_low);
+	if (!ASSERT_OK(err, "kallsyms_find"))
+		goto cleanup;
+
+	/* Just a guess for the end of this function, as module functions
+	 * in /proc/kallsyms could come in any order.
+	 */
+	skel->bss->address_high = skel->bss->address_low + 128;
+
+	err = get_branch_snapshot__attach(skel);
+	if (!ASSERT_OK(err, "get_branch_snapshot__attach"))
+		goto cleanup;
+
+	trigger_module_test_read(100);
+
+	if (skel->bss->total_entries < 16) {
+		/* too few entries for the hit/waste test */
+		test__skip();
+		goto cleanup;
+	}
+
+	ASSERT_GT(skel->bss->test1_hits, 6, "find_looptest_in_lbr");
+
+	/* Given we stop LBR in software, we will waste a few entries.
+	 * But we should try to waste as few as possible entries. We are at
+	 * about 7 on x86_64 systems.
+	 * Add a check for < 10 so that we get heads-up when something
+	 * changes and wastes too many entries.
+	 */
+	ASSERT_LT(skel->bss->wasted_entries, 10, "check_wasted_entries");
+
+cleanup:
+	get_branch_snapshot__destroy(skel);
+	close_perf_events();
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/get_func_args_test.c b/tools/testing/selftests/bpf/prog_tests/get_func_args_test.c
new file mode 100644
index 000000000..28cf63963
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/get_func_args_test.c
@@ -0,0 +1,42 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <test_progs.h>
+#include "get_func_args_test.skel.h"
+
+void test_get_func_args_test(void)
+{
+	struct get_func_args_test *skel = NULL;
+	int err, prog_fd;
+	LIBBPF_OPTS(bpf_test_run_opts, topts);
+
+	skel = get_func_args_test__open_and_load();
+	if (!ASSERT_OK_PTR(skel, "get_func_args_test__open_and_load"))
+		return;
+
+	err = get_func_args_test__attach(skel);
+	if (!ASSERT_OK(err, "get_func_args_test__attach"))
+		goto cleanup;
+
+	/* This runs bpf_fentry_test* functions and triggers
+	 * fentry/fexit programs.
+	 */
+	prog_fd = bpf_program__fd(skel->progs.test1);
+	err = bpf_prog_test_run_opts(prog_fd, &topts);
+	ASSERT_OK(err, "test_run");
+	ASSERT_EQ(topts.retval, 0, "test_run");
+
+	/* This runs bpf_modify_return_test function and triggers
+	 * fmod_ret_test and fexit_test programs.
+	 */
+	prog_fd = bpf_program__fd(skel->progs.fmod_ret_test);
+	err = bpf_prog_test_run_opts(prog_fd, &topts);
+	ASSERT_OK(err, "test_run");
+	ASSERT_EQ(topts.retval, 1234, "test_run");
+
+	ASSERT_EQ(skel->bss->test1_result, 1, "test1_result");
+	ASSERT_EQ(skel->bss->test2_result, 1, "test2_result");
+	ASSERT_EQ(skel->bss->test3_result, 1, "test3_result");
+	ASSERT_EQ(skel->bss->test4_result, 1, "test4_result");
+
+cleanup:
+	get_func_args_test__destroy(skel);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/get_func_ip_test.c b/tools/testing/selftests/bpf/prog_tests/get_func_ip_test.c
new file mode 100644
index 000000000..fede8ef58
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/get_func_ip_test.c
@@ -0,0 +1,90 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <test_progs.h>
+#include "get_func_ip_test.skel.h"
+
+static void test_function_entry(void)
+{
+	struct get_func_ip_test *skel = NULL;
+	int err, prog_fd;
+	LIBBPF_OPTS(bpf_test_run_opts, topts);
+
+	skel = get_func_ip_test__open();
+	if (!ASSERT_OK_PTR(skel, "get_func_ip_test__open"))
+		return;
+
+	err = get_func_ip_test__load(skel);
+	if (!ASSERT_OK(err, "get_func_ip_test__load"))
+		goto cleanup;
+
+	err = get_func_ip_test__attach(skel);
+	if (!ASSERT_OK(err, "get_func_ip_test__attach"))
+		goto cleanup;
+
+	prog_fd = bpf_program__fd(skel->progs.test1);
+	err = bpf_prog_test_run_opts(prog_fd, &topts);
+	ASSERT_OK(err, "test_run");
+	ASSERT_EQ(topts.retval, 0, "test_run");
+
+	prog_fd = bpf_program__fd(skel->progs.test5);
+	err = bpf_prog_test_run_opts(prog_fd, &topts);
+
+	ASSERT_OK(err, "test_run");
+
+	ASSERT_EQ(skel->bss->test1_result, 1, "test1_result");
+	ASSERT_EQ(skel->bss->test2_result, 1, "test2_result");
+	ASSERT_EQ(skel->bss->test3_result, 1, "test3_result");
+	ASSERT_EQ(skel->bss->test4_result, 1, "test4_result");
+	ASSERT_EQ(skel->bss->test5_result, 1, "test5_result");
+
+cleanup:
+	get_func_ip_test__destroy(skel);
+}
+
+/* test6 is x86_64 specific because of the instruction
+ * offset, disabling it for all other archs
+ */
+#ifdef __x86_64__
+static void test_function_body(void)
+{
+	struct get_func_ip_test *skel = NULL;
+	LIBBPF_OPTS(bpf_test_run_opts, topts);
+	LIBBPF_OPTS(bpf_kprobe_opts, kopts);
+	struct bpf_link *link6 = NULL;
+	int err, prog_fd;
+
+	skel = get_func_ip_test__open();
+	if (!ASSERT_OK_PTR(skel, "get_func_ip_test__open"))
+		return;
+
+	bpf_program__set_autoload(skel->progs.test6, true);
+
+	err = get_func_ip_test__load(skel);
+	if (!ASSERT_OK(err, "get_func_ip_test__load"))
+		goto cleanup;
+
+	kopts.offset = skel->kconfig->CONFIG_X86_KERNEL_IBT ? 9 : 5;
+
+	link6 = bpf_program__attach_kprobe_opts(skel->progs.test6, "bpf_fentry_test6", &kopts);
+	if (!ASSERT_OK_PTR(link6, "link6"))
+		goto cleanup;
+
+	prog_fd = bpf_program__fd(skel->progs.test1);
+	err = bpf_prog_test_run_opts(prog_fd, &topts);
+	ASSERT_OK(err, "test_run");
+	ASSERT_EQ(topts.retval, 0, "test_run");
+
+	ASSERT_EQ(skel->bss->test6_result, 1, "test6_result");
+
+cleanup:
+	bpf_link__destroy(link6);
+	get_func_ip_test__destroy(skel);
+}
+#else
+#define test_function_body()
+#endif
+
+void test_get_func_ip_test(void)
+{
+	test_function_entry();
+	test_function_body();
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/get_stack_raw_tp.c b/tools/testing/selftests/bpf/prog_tests/get_stack_raw_tp.c
new file mode 100644
index 000000000..858e0575f
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/get_stack_raw_tp.c
@@ -0,0 +1,149 @@
+// SPDX-License-Identifier: GPL-2.0
+#define _GNU_SOURCE
+#include <pthread.h>
+#include <sched.h>
+#include <sys/socket.h>
+#include <test_progs.h>
+
+#define MAX_CNT_RAWTP	10ull
+#define MAX_STACK_RAWTP	100
+
+static int duration = 0;
+
+struct get_stack_trace_t {
+	int pid;
+	int kern_stack_size;
+	int user_stack_size;
+	int user_stack_buildid_size;
+	__u64 kern_stack[MAX_STACK_RAWTP];
+	__u64 user_stack[MAX_STACK_RAWTP];
+	struct bpf_stack_build_id user_stack_buildid[MAX_STACK_RAWTP];
+};
+
+static void get_stack_print_output(void *ctx, int cpu, void *data, __u32 size)
+{
+	bool good_kern_stack = false, good_user_stack = false;
+	const char *nonjit_func = "___bpf_prog_run";
+	/* perfbuf-submitted data is 4-byte aligned, but we need 8-byte
+	 * alignment, so copy data into a local variable, for simplicity
+	 */
+	struct get_stack_trace_t e;
+	int i, num_stack;
+	struct ksym *ks;
+
+	memset(&e, 0, sizeof(e));
+	memcpy(&e, data, size <= sizeof(e) ? size : sizeof(e));
+
+	if (size < sizeof(struct get_stack_trace_t)) {
+		__u64 *raw_data = data;
+		bool found = false;
+
+		num_stack = size / sizeof(__u64);
+		/* If jit is enabled, we do not have a good way to
+		 * verify the sanity of the kernel stack. So we
+		 * just assume it is good if the stack is not empty.
+		 * This could be improved in the future.
+		 */
+		if (env.jit_enabled) {
+			found = num_stack > 0;
+		} else {
+			for (i = 0; i < num_stack; i++) {
+				ks = ksym_search(raw_data[i]);
+				if (ks && (strcmp(ks->name, nonjit_func) == 0)) {
+					found = true;
+					break;
+				}
+			}
+		}
+		if (found) {
+			good_kern_stack = true;
+			good_user_stack = true;
+		}
+	} else {
+		num_stack = e.kern_stack_size / sizeof(__u64);
+		if (env.jit_enabled) {
+			good_kern_stack = num_stack > 0;
+		} else {
+			for (i = 0; i < num_stack; i++) {
+				ks = ksym_search(e.kern_stack[i]);
+				if (ks && (strcmp(ks->name, nonjit_func) == 0)) {
+					good_kern_stack = true;
+					break;
+				}
+			}
+		}
+		if (e.user_stack_size > 0 && e.user_stack_buildid_size > 0)
+			good_user_stack = true;
+	}
+
+	if (!good_kern_stack)
+	    CHECK(!good_kern_stack, "kern_stack", "corrupted kernel stack\n");
+	if (!good_user_stack)
+	    CHECK(!good_user_stack, "user_stack", "corrupted user stack\n");
+}
+
+void test_get_stack_raw_tp(void)
+{
+	const char *file = "./test_get_stack_rawtp.bpf.o";
+	const char *file_err = "./test_get_stack_rawtp_err.bpf.o";
+	const char *prog_name = "bpf_prog1";
+	int i, err, prog_fd, exp_cnt = MAX_CNT_RAWTP;
+	struct perf_buffer *pb = NULL;
+	struct bpf_link *link = NULL;
+	struct timespec tv = {0, 10};
+	struct bpf_program *prog;
+	struct bpf_object *obj;
+	struct bpf_map *map;
+	cpu_set_t cpu_set;
+
+	err = bpf_prog_test_load(file_err, BPF_PROG_TYPE_RAW_TRACEPOINT, &obj, &prog_fd);
+	if (CHECK(err >= 0, "prog_load raw tp", "err %d errno %d\n", err, errno))
+		return;
+
+	err = bpf_prog_test_load(file, BPF_PROG_TYPE_RAW_TRACEPOINT, &obj, &prog_fd);
+	if (CHECK(err, "prog_load raw tp", "err %d errno %d\n", err, errno))
+		return;
+
+	prog = bpf_object__find_program_by_name(obj, prog_name);
+	if (CHECK(!prog, "find_probe", "prog '%s' not found\n", prog_name))
+		goto close_prog;
+
+	map = bpf_object__find_map_by_name(obj, "perfmap");
+	if (CHECK(!map, "bpf_find_map", "not found\n"))
+		goto close_prog;
+
+	err = load_kallsyms();
+	if (CHECK(err < 0, "load_kallsyms", "err %d errno %d\n", err, errno))
+		goto close_prog;
+
+	CPU_ZERO(&cpu_set);
+	CPU_SET(0, &cpu_set);
+	err = pthread_setaffinity_np(pthread_self(), sizeof(cpu_set), &cpu_set);
+	if (CHECK(err, "set_affinity", "err %d, errno %d\n", err, errno))
+		goto close_prog;
+
+	link = bpf_program__attach_raw_tracepoint(prog, "sys_enter");
+	if (!ASSERT_OK_PTR(link, "attach_raw_tp"))
+		goto close_prog;
+
+	pb = perf_buffer__new(bpf_map__fd(map), 8, get_stack_print_output,
+			      NULL, NULL, NULL);
+	if (!ASSERT_OK_PTR(pb, "perf_buf__new"))
+		goto close_prog;
+
+	/* trigger some syscall action */
+	for (i = 0; i < MAX_CNT_RAWTP; i++)
+		nanosleep(&tv, NULL);
+
+	while (exp_cnt > 0) {
+		err = perf_buffer__poll(pb, 100);
+		if (err < 0 && CHECK(err < 0, "pb__poll", "err %d\n", err))
+			goto close_prog;
+		exp_cnt -= err;
+	}
+
+close_prog:
+	bpf_link__destroy(link);
+	perf_buffer__free(pb);
+	bpf_object__close(obj);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/get_stackid_cannot_attach.c b/tools/testing/selftests/bpf/prog_tests/get_stackid_cannot_attach.c
new file mode 100644
index 000000000..2715c6830
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/get_stackid_cannot_attach.c
@@ -0,0 +1,89 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (c) 2020 Facebook
+#include <test_progs.h>
+#include "test_stacktrace_build_id.skel.h"
+
+void test_get_stackid_cannot_attach(void)
+{
+	struct perf_event_attr attr = {
+		/* .type = PERF_TYPE_SOFTWARE, */
+		.type = PERF_TYPE_HARDWARE,
+		.config = PERF_COUNT_HW_CPU_CYCLES,
+		.precise_ip = 1,
+		.sample_type = PERF_SAMPLE_IP | PERF_SAMPLE_BRANCH_STACK,
+		.branch_sample_type = PERF_SAMPLE_BRANCH_USER |
+			PERF_SAMPLE_BRANCH_NO_FLAGS |
+			PERF_SAMPLE_BRANCH_NO_CYCLES |
+			PERF_SAMPLE_BRANCH_CALL_STACK,
+		.sample_period = 5000,
+		.size = sizeof(struct perf_event_attr),
+	};
+	struct test_stacktrace_build_id *skel;
+	__u32 duration = 0;
+	int pmu_fd, err;
+
+	skel = test_stacktrace_build_id__open();
+	if (CHECK(!skel, "skel_open", "skeleton open failed\n"))
+		return;
+
+	/* override program type */
+	bpf_program__set_type(skel->progs.oncpu, BPF_PROG_TYPE_PERF_EVENT);
+
+	err = test_stacktrace_build_id__load(skel);
+	if (CHECK(err, "skel_load", "skeleton load failed: %d\n", err))
+		goto cleanup;
+
+	pmu_fd = syscall(__NR_perf_event_open, &attr, -1 /* pid */,
+			 0 /* cpu 0 */, -1 /* group id */,
+			 0 /* flags */);
+	if (pmu_fd < 0 && (errno == ENOENT || errno == EOPNOTSUPP)) {
+		printf("%s:SKIP:cannot open PERF_COUNT_HW_CPU_CYCLES with precise_ip > 0\n",
+		       __func__);
+		test__skip();
+		goto cleanup;
+	}
+	if (CHECK(pmu_fd < 0, "perf_event_open", "err %d errno %d\n",
+		  pmu_fd, errno))
+		goto cleanup;
+
+	skel->links.oncpu = bpf_program__attach_perf_event(skel->progs.oncpu,
+							   pmu_fd);
+	ASSERT_ERR_PTR(skel->links.oncpu, "attach_perf_event_no_callchain");
+	close(pmu_fd);
+
+	/* add PERF_SAMPLE_CALLCHAIN, attach should succeed */
+	attr.sample_type |= PERF_SAMPLE_CALLCHAIN;
+
+	pmu_fd = syscall(__NR_perf_event_open, &attr, -1 /* pid */,
+			 0 /* cpu 0 */, -1 /* group id */,
+			 0 /* flags */);
+
+	if (CHECK(pmu_fd < 0, "perf_event_open", "err %d errno %d\n",
+		  pmu_fd, errno))
+		goto cleanup;
+
+	skel->links.oncpu = bpf_program__attach_perf_event(skel->progs.oncpu,
+							   pmu_fd);
+	ASSERT_OK_PTR(skel->links.oncpu, "attach_perf_event_callchain");
+	bpf_link__destroy(skel->links.oncpu);
+	close(pmu_fd);
+
+	/* add exclude_callchain_kernel, attach should fail */
+	attr.exclude_callchain_kernel = 1;
+
+	pmu_fd = syscall(__NR_perf_event_open, &attr, -1 /* pid */,
+			 0 /* cpu 0 */, -1 /* group id */,
+			 0 /* flags */);
+
+	if (CHECK(pmu_fd < 0, "perf_event_open", "err %d errno %d\n",
+		  pmu_fd, errno))
+		goto cleanup;
+
+	skel->links.oncpu = bpf_program__attach_perf_event(skel->progs.oncpu,
+							   pmu_fd);
+	ASSERT_ERR_PTR(skel->links.oncpu, "attach_perf_event_exclude_callchain_kernel");
+	close(pmu_fd);
+
+cleanup:
+	test_stacktrace_build_id__destroy(skel);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/global_data.c b/tools/testing/selftests/bpf/prog_tests/global_data.c
new file mode 100644
index 000000000..fadfb64e2
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/global_data.c
@@ -0,0 +1,157 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <test_progs.h>
+#include <network_helpers.h>
+
+static void test_global_data_number(struct bpf_object *obj, __u32 duration)
+{
+	int i, err, map_fd;
+	__u64 num;
+
+	map_fd = bpf_find_map(__func__, obj, "result_number");
+	if (CHECK_FAIL(map_fd < 0))
+		return;
+
+	struct {
+		char *name;
+		uint32_t key;
+		__u64 num;
+	} tests[] = {
+		{ "relocate .bss reference",     0, 0 },
+		{ "relocate .data reference",    1, 42 },
+		{ "relocate .rodata reference",  2, 24 },
+		{ "relocate .bss reference",     3, 0 },
+		{ "relocate .data reference",    4, 0xffeeff },
+		{ "relocate .rodata reference",  5, 0xabab },
+		{ "relocate .bss reference",     6, 1234 },
+		{ "relocate .bss reference",     7, 0 },
+		{ "relocate .rodata reference",  8, 0xab },
+		{ "relocate .rodata reference",  9, 0x1111111111111111 },
+		{ "relocate .rodata reference", 10, ~0 },
+	};
+
+	for (i = 0; i < ARRAY_SIZE(tests); i++) {
+		err = bpf_map_lookup_elem(map_fd, &tests[i].key, &num);
+		CHECK(err || num != tests[i].num, tests[i].name,
+		      "err %d result %llx expected %llx\n",
+		      err, num, tests[i].num);
+	}
+}
+
+static void test_global_data_string(struct bpf_object *obj, __u32 duration)
+{
+	int i, err, map_fd;
+	char str[32];
+
+	map_fd = bpf_find_map(__func__, obj, "result_string");
+	if (CHECK_FAIL(map_fd < 0))
+		return;
+
+	struct {
+		char *name;
+		uint32_t key;
+		char str[32];
+	} tests[] = {
+		{ "relocate .rodata reference", 0, "abcdefghijklmnopqrstuvwxyz" },
+		{ "relocate .data reference",   1, "abcdefghijklmnopqrstuvwxyz" },
+		{ "relocate .bss reference",    2, "" },
+		{ "relocate .data reference",   3, "abcdexghijklmnopqrstuvwxyz" },
+		{ "relocate .bss reference",    4, "\0\0hello" },
+	};
+
+	for (i = 0; i < ARRAY_SIZE(tests); i++) {
+		err = bpf_map_lookup_elem(map_fd, &tests[i].key, str);
+		CHECK(err || memcmp(str, tests[i].str, sizeof(str)),
+		      tests[i].name, "err %d result \'%s\' expected \'%s\'\n",
+		      err, str, tests[i].str);
+	}
+}
+
+struct foo {
+	__u8  a;
+	__u32 b;
+	__u64 c;
+};
+
+static void test_global_data_struct(struct bpf_object *obj, __u32 duration)
+{
+	int i, err, map_fd;
+	struct foo val;
+
+	map_fd = bpf_find_map(__func__, obj, "result_struct");
+	if (CHECK_FAIL(map_fd < 0))
+		return;
+
+	struct {
+		char *name;
+		uint32_t key;
+		struct foo val;
+	} tests[] = {
+		{ "relocate .rodata reference", 0, { 42, 0xfefeefef, 0x1111111111111111ULL, } },
+		{ "relocate .bss reference",    1, { } },
+		{ "relocate .rodata reference", 2, { } },
+		{ "relocate .data reference",   3, { 41, 0xeeeeefef, 0x2111111111111111ULL, } },
+	};
+
+	for (i = 0; i < ARRAY_SIZE(tests); i++) {
+		err = bpf_map_lookup_elem(map_fd, &tests[i].key, &val);
+		CHECK(err || memcmp(&val, &tests[i].val, sizeof(val)),
+		      tests[i].name, "err %d result { %u, %u, %llu } expected { %u, %u, %llu }\n",
+		      err, val.a, val.b, val.c, tests[i].val.a, tests[i].val.b, tests[i].val.c);
+	}
+}
+
+static void test_global_data_rdonly(struct bpf_object *obj, __u32 duration)
+{
+	int err = -ENOMEM, map_fd, zero = 0;
+	struct bpf_map *map, *map2;
+	__u8 *buff;
+
+	map = bpf_object__find_map_by_name(obj, "test_glo.rodata");
+	if (!ASSERT_OK_PTR(map, "map"))
+		return;
+	if (!ASSERT_TRUE(bpf_map__is_internal(map), "is_internal"))
+		return;
+
+	/* ensure we can lookup internal maps by their ELF names */
+	map2 = bpf_object__find_map_by_name(obj, ".rodata");
+	if (!ASSERT_EQ(map, map2, "same_maps"))
+		return;
+
+	map_fd = bpf_map__fd(map);
+	if (CHECK_FAIL(map_fd < 0))
+		return;
+
+	buff = malloc(bpf_map__value_size(map));
+	if (buff)
+		err = bpf_map_update_elem(map_fd, &zero, buff, 0);
+	free(buff);
+	CHECK(!err || errno != EPERM, "test .rodata read-only map",
+	      "err %d errno %d\n", err, errno);
+}
+
+void test_global_data(void)
+{
+	const char *file = "./test_global_data.bpf.o";
+	struct bpf_object *obj;
+	int err, prog_fd;
+	LIBBPF_OPTS(bpf_test_run_opts, topts,
+		.data_in = &pkt_v4,
+		.data_size_in = sizeof(pkt_v4),
+		.repeat = 1,
+	);
+
+	err = bpf_prog_test_load(file, BPF_PROG_TYPE_SCHED_CLS, &obj, &prog_fd);
+	if (!ASSERT_OK(err, "load program"))
+		return;
+
+	err = bpf_prog_test_run_opts(prog_fd, &topts);
+	ASSERT_OK(err, "pass global data run err");
+	ASSERT_OK(topts.retval, "pass global data run retval");
+
+	test_global_data_number(obj, topts.duration);
+	test_global_data_string(obj, topts.duration);
+	test_global_data_struct(obj, topts.duration);
+	test_global_data_rdonly(obj, topts.duration);
+
+	bpf_object__close(obj);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/global_data_init.c b/tools/testing/selftests/bpf/prog_tests/global_data_init.c
new file mode 100644
index 000000000..8466332d7
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/global_data_init.c
@@ -0,0 +1,62 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <test_progs.h>
+
+void test_global_data_init(void)
+{
+	const char *file = "./test_global_data.bpf.o";
+	int err = -ENOMEM, map_fd, zero = 0;
+	__u8 *buff = NULL, *newval = NULL;
+	struct bpf_object *obj;
+	struct bpf_map *map;
+        __u32 duration = 0;
+	size_t sz;
+
+	obj = bpf_object__open_file(file, NULL);
+	err = libbpf_get_error(obj);
+	if (CHECK_FAIL(err))
+		return;
+
+	map = bpf_object__find_map_by_name(obj, ".rodata");
+	if (CHECK_FAIL(!map || !bpf_map__is_internal(map)))
+		goto out;
+
+	sz = bpf_map__value_size(map);
+	newval = malloc(sz);
+	if (CHECK_FAIL(!newval))
+		goto out;
+
+	memset(newval, 0, sz);
+	/* wrong size, should fail */
+	err = bpf_map__set_initial_value(map, newval, sz - 1);
+	if (CHECK(!err, "reject set initial value wrong size", "err %d\n", err))
+		goto out;
+
+	err = bpf_map__set_initial_value(map, newval, sz);
+	if (CHECK(err, "set initial value", "err %d\n", err))
+		goto out;
+
+	err = bpf_object__load(obj);
+	if (CHECK_FAIL(err))
+		goto out;
+
+	map_fd = bpf_map__fd(map);
+	if (CHECK_FAIL(map_fd < 0))
+		goto out;
+
+	buff = malloc(sz);
+	if (buff)
+		err = bpf_map_lookup_elem(map_fd, &zero, buff);
+	if (CHECK(!buff || err || memcmp(buff, newval, sz),
+		  "compare .rodata map data override",
+		  "err %d errno %d\n", err, errno))
+		goto out;
+
+	memset(newval, 1, sz);
+	/* object loaded - should fail */
+	err = bpf_map__set_initial_value(map, newval, sz);
+	CHECK(!err, "reject set initial value after load", "err %d\n", err);
+out:
+	free(buff);
+	free(newval);
+	bpf_object__close(obj);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/global_func_args.c b/tools/testing/selftests/bpf/prog_tests/global_func_args.c
new file mode 100644
index 000000000..d997099f6
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/global_func_args.c
@@ -0,0 +1,62 @@
+// SPDX-License-Identifier: GPL-2.0
+#include "test_progs.h"
+#include "network_helpers.h"
+
+static __u32 duration;
+
+static void test_global_func_args0(struct bpf_object *obj)
+{
+	int err, i, map_fd, actual_value;
+	const char *map_name = "values";
+
+	map_fd = bpf_find_map(__func__, obj, map_name);
+	if (CHECK(map_fd < 0, "bpf_find_map", "cannot find BPF map %s: %s\n",
+		map_name, strerror(errno)))
+		return;
+
+	struct {
+		const char *descr;
+		int expected_value;
+	} tests[] = {
+		{"passing NULL pointer", 0},
+		{"returning value", 1},
+		{"reading local variable", 100 },
+		{"writing local variable", 101 },
+		{"reading global variable", 42 },
+		{"writing global variable", 43 },
+		{"writing to pointer-to-pointer", 1 },
+	};
+
+	for (i = 0; i < ARRAY_SIZE(tests); ++i) {
+		const int expected_value = tests[i].expected_value;
+
+		err = bpf_map_lookup_elem(map_fd, &i, &actual_value);
+
+		CHECK(err || actual_value != expected_value, tests[i].descr,
+			 "err %d result %d expected %d\n", err, actual_value, expected_value);
+	}
+}
+
+void test_global_func_args(void)
+{
+	const char *file = "./test_global_func_args.bpf.o";
+	struct bpf_object *obj;
+	int err, prog_fd;
+	LIBBPF_OPTS(bpf_test_run_opts, topts,
+		.data_in = &pkt_v4,
+		.data_size_in = sizeof(pkt_v4),
+		.repeat = 1,
+	);
+
+	err = bpf_prog_test_load(file, BPF_PROG_TYPE_CGROUP_SKB, &obj, &prog_fd);
+	if (CHECK(err, "load program", "error %d loading %s\n", err, file))
+		return;
+
+	err = bpf_prog_test_run_opts(prog_fd, &topts);
+	ASSERT_OK(err, "test_run");
+	ASSERT_OK(topts.retval, "test_run retval");
+
+	test_global_func_args0(obj);
+
+	bpf_object__close(obj);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/hash_large_key.c b/tools/testing/selftests/bpf/prog_tests/hash_large_key.c
new file mode 100644
index 000000000..34684c0fc
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/hash_large_key.c
@@ -0,0 +1,43 @@
+// SPDX-License-Identifier: GPL-2.0
+
+#include <test_progs.h>
+#include "test_hash_large_key.skel.h"
+
+void test_hash_large_key(void)
+{
+	int err, value = 21, duration = 0, hash_map_fd;
+	struct test_hash_large_key *skel;
+
+	struct bigelement {
+		int a;
+		char b[4096];
+		long long c;
+	} key;
+	bzero(&key, sizeof(key));
+
+	skel = test_hash_large_key__open_and_load();
+	if (CHECK(!skel, "skel_open_and_load", "skeleton open/load failed\n"))
+		return;
+
+	hash_map_fd = bpf_map__fd(skel->maps.hash_map);
+	if (CHECK(hash_map_fd < 0, "bpf_map__fd", "failed\n"))
+		goto cleanup;
+
+	err = test_hash_large_key__attach(skel);
+	if (CHECK(err, "attach_raw_tp", "err %d\n", err))
+		goto cleanup;
+
+	err = bpf_map_update_elem(hash_map_fd, &key, &value, BPF_ANY);
+	if (CHECK(err, "bpf_map_update_elem", "errno=%d\n", errno))
+		goto cleanup;
+
+	key.c = 1;
+	err = bpf_map_lookup_elem(hash_map_fd, &key, &value);
+	if (CHECK(err, "bpf_map_lookup_elem", "errno=%d\n", errno))
+		goto cleanup;
+
+	CHECK_FAIL(value != 42);
+
+cleanup:
+	test_hash_large_key__destroy(skel);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/hashmap.c b/tools/testing/selftests/bpf/prog_tests/hashmap.c
new file mode 100644
index 000000000..4747ab18f
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/hashmap.c
@@ -0,0 +1,377 @@
+// SPDX-License-Identifier: (LGPL-2.1 OR BSD-2-Clause)
+
+/*
+ * Tests for libbpf's hashmap.
+ *
+ * Copyright (c) 2019 Facebook
+ */
+#include "test_progs.h"
+#include "bpf/hashmap.h"
+
+static int duration = 0;
+
+static size_t hash_fn(const void *k, void *ctx)
+{
+	return (long)k;
+}
+
+static bool equal_fn(const void *a, const void *b, void *ctx)
+{
+	return (long)a == (long)b;
+}
+
+static inline size_t next_pow_2(size_t n)
+{
+	size_t r = 1;
+
+	while (r < n)
+		r <<= 1;
+	return r;
+}
+
+static inline size_t exp_cap(size_t sz)
+{
+	size_t r = next_pow_2(sz);
+
+	if (sz * 4 / 3 > r)
+		r <<= 1;
+	return r;
+}
+
+#define ELEM_CNT 62
+
+static void test_hashmap_generic(void)
+{
+	struct hashmap_entry *entry, *tmp;
+	int err, bkt, found_cnt, i;
+	long long found_msk;
+	struct hashmap *map;
+
+	map = hashmap__new(hash_fn, equal_fn, NULL);
+	if (!ASSERT_OK_PTR(map, "hashmap__new"))
+		return;
+
+	for (i = 0; i < ELEM_CNT; i++) {
+		const void *oldk, *k = (const void *)(long)i;
+		void *oldv, *v = (void *)(long)(1024 + i);
+
+		err = hashmap__update(map, k, v, &oldk, &oldv);
+		if (CHECK(err != -ENOENT, "hashmap__update",
+			  "unexpected result: %d\n", err))
+			goto cleanup;
+
+		if (i % 2) {
+			err = hashmap__add(map, k, v);
+		} else {
+			err = hashmap__set(map, k, v, &oldk, &oldv);
+			if (CHECK(oldk != NULL || oldv != NULL, "check_kv",
+				  "unexpected k/v: %p=%p\n", oldk, oldv))
+				goto cleanup;
+		}
+
+		if (CHECK(err, "elem_add", "failed to add k/v %ld = %ld: %d\n",
+			       (long)k, (long)v, err))
+			goto cleanup;
+
+		if (CHECK(!hashmap__find(map, k, &oldv), "elem_find",
+			  "failed to find key %ld\n", (long)k))
+			goto cleanup;
+		if (CHECK(oldv != v, "elem_val",
+			  "found value is wrong: %ld\n", (long)oldv))
+			goto cleanup;
+	}
+
+	if (CHECK(hashmap__size(map) != ELEM_CNT, "hashmap__size",
+		  "invalid map size: %zu\n", hashmap__size(map)))
+		goto cleanup;
+	if (CHECK(hashmap__capacity(map) != exp_cap(hashmap__size(map)),
+		  "hashmap_cap",
+		  "unexpected map capacity: %zu\n", hashmap__capacity(map)))
+		goto cleanup;
+
+	found_msk = 0;
+	hashmap__for_each_entry(map, entry, bkt) {
+		long k = (long)entry->key;
+		long v = (long)entry->value;
+
+		found_msk |= 1ULL << k;
+		if (CHECK(v - k != 1024, "check_kv",
+			  "invalid k/v pair: %ld = %ld\n", k, v))
+			goto cleanup;
+	}
+	if (CHECK(found_msk != (1ULL << ELEM_CNT) - 1, "elem_cnt",
+		  "not all keys iterated: %llx\n", found_msk))
+		goto cleanup;
+
+	for (i = 0; i < ELEM_CNT; i++) {
+		const void *oldk, *k = (const void *)(long)i;
+		void *oldv, *v = (void *)(long)(256 + i);
+
+		err = hashmap__add(map, k, v);
+		if (CHECK(err != -EEXIST, "hashmap__add",
+			  "unexpected add result: %d\n", err))
+			goto cleanup;
+
+		if (i % 2)
+			err = hashmap__update(map, k, v, &oldk, &oldv);
+		else
+			err = hashmap__set(map, k, v, &oldk, &oldv);
+
+		if (CHECK(err, "elem_upd",
+			  "failed to update k/v %ld = %ld: %d\n",
+			  (long)k, (long)v, err))
+			goto cleanup;
+		if (CHECK(!hashmap__find(map, k, &oldv), "elem_find",
+			  "failed to find key %ld\n", (long)k))
+			goto cleanup;
+		if (CHECK(oldv != v, "elem_val",
+			  "found value is wrong: %ld\n", (long)oldv))
+			goto cleanup;
+	}
+
+	if (CHECK(hashmap__size(map) != ELEM_CNT, "hashmap__size",
+		  "invalid updated map size: %zu\n", hashmap__size(map)))
+		goto cleanup;
+	if (CHECK(hashmap__capacity(map) != exp_cap(hashmap__size(map)),
+		  "hashmap__capacity",
+		  "unexpected map capacity: %zu\n", hashmap__capacity(map)))
+		goto cleanup;
+
+	found_msk = 0;
+	hashmap__for_each_entry_safe(map, entry, tmp, bkt) {
+		long k = (long)entry->key;
+		long v = (long)entry->value;
+
+		found_msk |= 1ULL << k;
+		if (CHECK(v - k != 256, "elem_check",
+			  "invalid updated k/v pair: %ld = %ld\n", k, v))
+			goto cleanup;
+	}
+	if (CHECK(found_msk != (1ULL << ELEM_CNT) - 1, "elem_cnt",
+		  "not all keys iterated after update: %llx\n", found_msk))
+		goto cleanup;
+
+	found_cnt = 0;
+	hashmap__for_each_key_entry(map, entry, (void *)0) {
+		found_cnt++;
+	}
+	if (CHECK(!found_cnt, "found_cnt",
+		  "didn't find any entries for key 0\n"))
+		goto cleanup;
+
+	found_msk = 0;
+	found_cnt = 0;
+	hashmap__for_each_key_entry_safe(map, entry, tmp, (void *)0) {
+		const void *oldk, *k;
+		void *oldv, *v;
+
+		k = entry->key;
+		v = entry->value;
+
+		found_cnt++;
+		found_msk |= 1ULL << (long)k;
+
+		if (CHECK(!hashmap__delete(map, k, &oldk, &oldv), "elem_del",
+			  "failed to delete k/v %ld = %ld\n",
+			  (long)k, (long)v))
+			goto cleanup;
+		if (CHECK(oldk != k || oldv != v, "check_old",
+			  "invalid deleted k/v: expected %ld = %ld, got %ld = %ld\n",
+			  (long)k, (long)v, (long)oldk, (long)oldv))
+			goto cleanup;
+		if (CHECK(hashmap__delete(map, k, &oldk, &oldv), "elem_del",
+			  "unexpectedly deleted k/v %ld = %ld\n",
+			  (long)oldk, (long)oldv))
+			goto cleanup;
+	}
+
+	if (CHECK(!found_cnt || !found_msk, "found_entries",
+		  "didn't delete any key entries\n"))
+		goto cleanup;
+	if (CHECK(hashmap__size(map) != ELEM_CNT - found_cnt, "elem_cnt",
+		  "invalid updated map size (already deleted: %d): %zu\n",
+		  found_cnt, hashmap__size(map)))
+		goto cleanup;
+	if (CHECK(hashmap__capacity(map) != exp_cap(hashmap__size(map)),
+		  "hashmap__capacity",
+		  "unexpected map capacity: %zu\n", hashmap__capacity(map)))
+		goto cleanup;
+
+	hashmap__for_each_entry_safe(map, entry, tmp, bkt) {
+		const void *oldk, *k;
+		void *oldv, *v;
+
+		k = entry->key;
+		v = entry->value;
+
+		found_cnt++;
+		found_msk |= 1ULL << (long)k;
+
+		if (CHECK(!hashmap__delete(map, k, &oldk, &oldv), "elem_del",
+			  "failed to delete k/v %ld = %ld\n",
+			  (long)k, (long)v))
+			goto cleanup;
+		if (CHECK(oldk != k || oldv != v, "elem_check",
+			  "invalid old k/v: expect %ld = %ld, got %ld = %ld\n",
+			  (long)k, (long)v, (long)oldk, (long)oldv))
+			goto cleanup;
+		if (CHECK(hashmap__delete(map, k, &oldk, &oldv), "elem_del",
+			  "unexpectedly deleted k/v %ld = %ld\n",
+			  (long)k, (long)v))
+			goto cleanup;
+	}
+
+	if (CHECK(found_cnt != ELEM_CNT || found_msk != (1ULL << ELEM_CNT) - 1,
+		  "found_cnt",
+		  "not all keys were deleted: found_cnt:%d, found_msk:%llx\n",
+		  found_cnt, found_msk))
+		goto cleanup;
+	if (CHECK(hashmap__size(map) != 0, "hashmap__size",
+		  "invalid updated map size (already deleted: %d): %zu\n",
+		  found_cnt, hashmap__size(map)))
+		goto cleanup;
+
+	found_cnt = 0;
+	hashmap__for_each_entry(map, entry, bkt) {
+		CHECK(false, "elem_exists",
+		      "unexpected map entries left: %ld = %ld\n",
+		      (long)entry->key, (long)entry->value);
+		goto cleanup;
+	}
+
+	hashmap__clear(map);
+	hashmap__for_each_entry(map, entry, bkt) {
+		CHECK(false, "elem_exists",
+		      "unexpected map entries left: %ld = %ld\n",
+		      (long)entry->key, (long)entry->value);
+		goto cleanup;
+	}
+
+cleanup:
+	hashmap__free(map);
+}
+
+static size_t collision_hash_fn(const void *k, void *ctx)
+{
+	return 0;
+}
+
+static void test_hashmap_multimap(void)
+{
+	void *k1 = (void *)0, *k2 = (void *)1;
+	struct hashmap_entry *entry;
+	struct hashmap *map;
+	long found_msk;
+	int err, bkt;
+
+	/* force collisions */
+	map = hashmap__new(collision_hash_fn, equal_fn, NULL);
+	if (!ASSERT_OK_PTR(map, "hashmap__new"))
+		return;
+
+	/* set up multimap:
+	 * [0] -> 1, 2, 4;
+	 * [1] -> 8, 16, 32;
+	 */
+	err = hashmap__append(map, k1, (void *)1);
+	if (CHECK(err, "elem_add", "failed to add k/v: %d\n", err))
+		goto cleanup;
+	err = hashmap__append(map, k1, (void *)2);
+	if (CHECK(err, "elem_add", "failed to add k/v: %d\n", err))
+		goto cleanup;
+	err = hashmap__append(map, k1, (void *)4);
+	if (CHECK(err, "elem_add", "failed to add k/v: %d\n", err))
+		goto cleanup;
+
+	err = hashmap__append(map, k2, (void *)8);
+	if (CHECK(err, "elem_add", "failed to add k/v: %d\n", err))
+		goto cleanup;
+	err = hashmap__append(map, k2, (void *)16);
+	if (CHECK(err, "elem_add", "failed to add k/v: %d\n", err))
+		goto cleanup;
+	err = hashmap__append(map, k2, (void *)32);
+	if (CHECK(err, "elem_add", "failed to add k/v: %d\n", err))
+		goto cleanup;
+
+	if (CHECK(hashmap__size(map) != 6, "hashmap_size",
+		  "invalid map size: %zu\n", hashmap__size(map)))
+		goto cleanup;
+
+	/* verify global iteration still works and sees all values */
+	found_msk = 0;
+	hashmap__for_each_entry(map, entry, bkt) {
+		found_msk |= (long)entry->value;
+	}
+	if (CHECK(found_msk != (1 << 6) - 1, "found_msk",
+		  "not all keys iterated: %lx\n", found_msk))
+		goto cleanup;
+
+	/* iterate values for key 1 */
+	found_msk = 0;
+	hashmap__for_each_key_entry(map, entry, k1) {
+		found_msk |= (long)entry->value;
+	}
+	if (CHECK(found_msk != (1 | 2 | 4), "found_msk",
+		  "invalid k1 values: %lx\n", found_msk))
+		goto cleanup;
+
+	/* iterate values for key 2 */
+	found_msk = 0;
+	hashmap__for_each_key_entry(map, entry, k2) {
+		found_msk |= (long)entry->value;
+	}
+	if (CHECK(found_msk != (8 | 16 | 32), "found_msk",
+		  "invalid k2 values: %lx\n", found_msk))
+		goto cleanup;
+
+cleanup:
+	hashmap__free(map);
+}
+
+static void test_hashmap_empty()
+{
+	struct hashmap_entry *entry;
+	int bkt;
+	struct hashmap *map;
+	void *k = (void *)0;
+
+	/* force collisions */
+	map = hashmap__new(hash_fn, equal_fn, NULL);
+	if (!ASSERT_OK_PTR(map, "hashmap__new"))
+		goto cleanup;
+
+	if (CHECK(hashmap__size(map) != 0, "hashmap__size",
+		  "invalid map size: %zu\n", hashmap__size(map)))
+		goto cleanup;
+	if (CHECK(hashmap__capacity(map) != 0, "hashmap__capacity",
+		  "invalid map capacity: %zu\n", hashmap__capacity(map)))
+		goto cleanup;
+	if (CHECK(hashmap__find(map, k, NULL), "elem_find",
+		  "unexpected find\n"))
+		goto cleanup;
+	if (CHECK(hashmap__delete(map, k, NULL, NULL), "elem_del",
+		  "unexpected delete\n"))
+		goto cleanup;
+
+	hashmap__for_each_entry(map, entry, bkt) {
+		CHECK(false, "elem_found", "unexpected iterated entry\n");
+		goto cleanup;
+	}
+	hashmap__for_each_key_entry(map, entry, k) {
+		CHECK(false, "key_found", "unexpected key entry\n");
+		goto cleanup;
+	}
+
+cleanup:
+	hashmap__free(map);
+}
+
+void test_hashmap()
+{
+	if (test__start_subtest("generic"))
+		test_hashmap_generic();
+	if (test__start_subtest("multimap"))
+		test_hashmap_multimap();
+	if (test__start_subtest("empty"))
+		test_hashmap_empty();
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/helper_restricted.c b/tools/testing/selftests/bpf/prog_tests/helper_restricted.c
new file mode 100644
index 000000000..0354f9b82
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/helper_restricted.c
@@ -0,0 +1,31 @@
+// SPDX-License-Identifier: GPL-2.0
+
+#include <test_progs.h>
+#include "test_helper_restricted.skel.h"
+
+void test_helper_restricted(void)
+{
+	int prog_i = 0, prog_cnt;
+
+	do {
+		struct test_helper_restricted *test;
+		int err;
+
+		test = test_helper_restricted__open();
+		if (!ASSERT_OK_PTR(test, "open"))
+			return;
+
+		prog_cnt = test->skeleton->prog_cnt;
+
+		for (int j = 0; j < prog_cnt; ++j) {
+			struct bpf_program *prog = *test->skeleton->progs[j].prog;
+
+			bpf_program__set_autoload(prog, true);
+		}
+
+		err = test_helper_restricted__load(test);
+		ASSERT_ERR(err, "load_should_fail");
+
+		test_helper_restricted__destroy(test);
+	} while (++prog_i < prog_cnt);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/htab_update.c b/tools/testing/selftests/bpf/prog_tests/htab_update.c
new file mode 100644
index 000000000..2bc85f481
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/htab_update.c
@@ -0,0 +1,126 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (C) 2022. Huawei Technologies Co., Ltd */
+#define _GNU_SOURCE
+#include <sched.h>
+#include <stdbool.h>
+#include <test_progs.h>
+#include "htab_update.skel.h"
+
+struct htab_update_ctx {
+	int fd;
+	int loop;
+	bool stop;
+};
+
+static void test_reenter_update(void)
+{
+	struct htab_update *skel;
+	unsigned int key, value;
+	int err;
+
+	skel = htab_update__open();
+	if (!ASSERT_OK_PTR(skel, "htab_update__open"))
+		return;
+
+	/* lookup_elem_raw() may be inlined and find_kernel_btf_id() will return -ESRCH */
+	bpf_program__set_autoload(skel->progs.lookup_elem_raw, true);
+	err = htab_update__load(skel);
+	if (!ASSERT_TRUE(!err || err == -ESRCH, "htab_update__load") || err)
+		goto out;
+
+	skel->bss->pid = getpid();
+	err = htab_update__attach(skel);
+	if (!ASSERT_OK(err, "htab_update__attach"))
+		goto out;
+
+	/* Will trigger the reentrancy of bpf_map_update_elem() */
+	key = 0;
+	value = 0;
+	err = bpf_map_update_elem(bpf_map__fd(skel->maps.htab), &key, &value, 0);
+	if (!ASSERT_OK(err, "add element"))
+		goto out;
+
+	ASSERT_EQ(skel->bss->update_err, -EBUSY, "no reentrancy");
+out:
+	htab_update__destroy(skel);
+}
+
+static void *htab_update_thread(void *arg)
+{
+	struct htab_update_ctx *ctx = arg;
+	cpu_set_t cpus;
+	int i;
+
+	/* Pinned on CPU 0 */
+	CPU_ZERO(&cpus);
+	CPU_SET(0, &cpus);
+	pthread_setaffinity_np(pthread_self(), sizeof(cpus), &cpus);
+
+	i = 0;
+	while (i++ < ctx->loop && !ctx->stop) {
+		unsigned int key = 0, value = 0;
+		int err;
+
+		err = bpf_map_update_elem(ctx->fd, &key, &value, 0);
+		if (err) {
+			ctx->stop = true;
+			return (void *)(long)err;
+		}
+	}
+
+	return NULL;
+}
+
+static void test_concurrent_update(void)
+{
+	struct htab_update_ctx ctx;
+	struct htab_update *skel;
+	unsigned int i, nr;
+	pthread_t *tids;
+	int err;
+
+	skel = htab_update__open_and_load();
+	if (!ASSERT_OK_PTR(skel, "htab_update__open_and_load"))
+		return;
+
+	ctx.fd = bpf_map__fd(skel->maps.htab);
+	ctx.loop = 1000;
+	ctx.stop = false;
+
+	nr = 4;
+	tids = calloc(nr, sizeof(*tids));
+	if (!ASSERT_NEQ(tids, NULL, "no mem"))
+		goto out;
+
+	for (i = 0; i < nr; i++) {
+		err = pthread_create(&tids[i], NULL, htab_update_thread, &ctx);
+		if (!ASSERT_OK(err, "pthread_create")) {
+			unsigned int j;
+
+			ctx.stop = true;
+			for (j = 0; j < i; j++)
+				pthread_join(tids[j], NULL);
+			goto out;
+		}
+	}
+
+	for (i = 0; i < nr; i++) {
+		void *thread_err = NULL;
+
+		pthread_join(tids[i], &thread_err);
+		ASSERT_EQ(thread_err, NULL, "update error");
+	}
+
+out:
+	if (tids)
+		free(tids);
+	htab_update__destroy(skel);
+}
+
+void test_htab_update(void)
+{
+	if (test__start_subtest("reenter_update"))
+		test_reenter_update();
+	if (test__start_subtest("concurrent_update"))
+		test_concurrent_update();
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/kfree_skb.c b/tools/testing/selftests/bpf/prog_tests/kfree_skb.c
new file mode 100644
index 000000000..73579370b
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/kfree_skb.c
@@ -0,0 +1,127 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <test_progs.h>
+#include <network_helpers.h>
+#include "kfree_skb.skel.h"
+
+struct meta {
+	int ifindex;
+	__u32 cb32_0;
+	__u8 cb8_0;
+};
+
+static union {
+	__u32 cb32[5];
+	__u8 cb8[20];
+} cb = {
+	.cb32[0] = 0x81828384,
+};
+
+static void on_sample(void *ctx, int cpu, void *data, __u32 size)
+{
+	struct meta *meta = (struct meta *)data;
+	struct ipv6_packet *pkt_v6 = data + sizeof(*meta);
+	int duration = 0;
+
+	if (CHECK(size != 72 + sizeof(*meta), "check_size", "size %u != %zu\n",
+		  size, 72 + sizeof(*meta)))
+		return;
+	if (CHECK(meta->ifindex != 1, "check_meta_ifindex",
+		  "meta->ifindex = %d\n", meta->ifindex))
+		/* spurious kfree_skb not on loopback device */
+		return;
+	if (CHECK(meta->cb8_0 != cb.cb8[0], "check_cb8_0", "cb8_0 %x != %x\n",
+		  meta->cb8_0, cb.cb8[0]))
+		return;
+	if (CHECK(meta->cb32_0 != cb.cb32[0], "check_cb32_0",
+		  "cb32_0 %x != %x\n",
+		  meta->cb32_0, cb.cb32[0]))
+		return;
+	if (CHECK(pkt_v6->eth.h_proto != 0xdd86, "check_eth",
+		  "h_proto %x\n", pkt_v6->eth.h_proto))
+		return;
+	if (CHECK(pkt_v6->iph.nexthdr != 6, "check_ip",
+		  "iph.nexthdr %x\n", pkt_v6->iph.nexthdr))
+		return;
+	if (CHECK(pkt_v6->tcp.doff != 5, "check_tcp",
+		  "tcp.doff %x\n", pkt_v6->tcp.doff))
+		return;
+
+	*(bool *)ctx = true;
+}
+
+/* TODO: fix kernel panic caused by this test in parallel mode */
+void serial_test_kfree_skb(void)
+{
+	struct __sk_buff skb = {};
+	LIBBPF_OPTS(bpf_test_run_opts, topts,
+		.data_in = &pkt_v6,
+		.data_size_in = sizeof(pkt_v6),
+		.ctx_in = &skb,
+		.ctx_size_in = sizeof(skb),
+	);
+	struct kfree_skb *skel = NULL;
+	struct bpf_link *link;
+	struct bpf_object *obj;
+	struct perf_buffer *pb = NULL;
+	int err, prog_fd;
+	bool passed = false;
+	__u32 duration = 0;
+	const int zero = 0;
+	bool test_ok[2];
+
+	err = bpf_prog_test_load("./test_pkt_access.bpf.o", BPF_PROG_TYPE_SCHED_CLS,
+				 &obj, &prog_fd);
+	if (CHECK(err, "prog_load sched cls", "err %d errno %d\n", err, errno))
+		return;
+
+	skel = kfree_skb__open_and_load();
+	if (!ASSERT_OK_PTR(skel, "kfree_skb_skel"))
+		goto close_prog;
+
+	link = bpf_program__attach_raw_tracepoint(skel->progs.trace_kfree_skb, NULL);
+	if (!ASSERT_OK_PTR(link, "attach_raw_tp"))
+		goto close_prog;
+	skel->links.trace_kfree_skb = link;
+
+	link = bpf_program__attach_trace(skel->progs.fentry_eth_type_trans);
+	if (!ASSERT_OK_PTR(link, "attach fentry"))
+		goto close_prog;
+	skel->links.fentry_eth_type_trans = link;
+
+	link = bpf_program__attach_trace(skel->progs.fexit_eth_type_trans);
+	if (!ASSERT_OK_PTR(link, "attach fexit"))
+		goto close_prog;
+	skel->links.fexit_eth_type_trans = link;
+
+	/* set up perf buffer */
+	pb = perf_buffer__new(bpf_map__fd(skel->maps.perf_buf_map), 1,
+			      on_sample, NULL, &passed, NULL);
+	if (!ASSERT_OK_PTR(pb, "perf_buf__new"))
+		goto close_prog;
+
+	memcpy(skb.cb, &cb, sizeof(cb));
+	err = bpf_prog_test_run_opts(prog_fd, &topts);
+	ASSERT_OK(err, "ipv6 test_run");
+	ASSERT_OK(topts.retval, "ipv6 test_run retval");
+
+	/* read perf buffer */
+	err = perf_buffer__poll(pb, 100);
+	if (CHECK(err < 0, "perf_buffer__poll", "err %d\n", err))
+		goto close_prog;
+
+	/* make sure kfree_skb program was triggered
+	 * and it sent expected skb into ring buffer
+	 */
+	ASSERT_TRUE(passed, "passed");
+
+	err = bpf_map_lookup_elem(bpf_map__fd(skel->maps.bss), &zero, test_ok);
+	if (CHECK(err, "get_result",
+		  "failed to get output data: %d\n", err))
+		goto close_prog;
+
+	CHECK_FAIL(!test_ok[0] || !test_ok[1]);
+close_prog:
+	perf_buffer__free(pb);
+	bpf_object__close(obj);
+	kfree_skb__destroy(skel);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/kfunc_call.c b/tools/testing/selftests/bpf/prog_tests/kfunc_call.c
new file mode 100644
index 000000000..36071f3f1
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/kfunc_call.c
@@ -0,0 +1,320 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2021 Facebook */
+#include <test_progs.h>
+#include <network_helpers.h>
+#include "kfunc_call_fail.skel.h"
+#include "kfunc_call_test.skel.h"
+#include "kfunc_call_test.lskel.h"
+#include "kfunc_call_test_subprog.skel.h"
+#include "kfunc_call_test_subprog.lskel.h"
+#include "kfunc_call_destructive.skel.h"
+
+#include "cap_helpers.h"
+
+static size_t log_buf_sz = 1048576; /* 1 MB */
+static char obj_log_buf[1048576];
+
+enum kfunc_test_type {
+	tc_test = 0,
+	syscall_test,
+	syscall_null_ctx_test,
+};
+
+struct kfunc_test_params {
+	const char *prog_name;
+	unsigned long lskel_prog_desc_offset;
+	int retval;
+	enum kfunc_test_type test_type;
+	const char *expected_err_msg;
+};
+
+#define __BPF_TEST_SUCCESS(name, __retval, type) \
+	{ \
+	  .prog_name = #name, \
+	  .lskel_prog_desc_offset = offsetof(struct kfunc_call_test_lskel, progs.name), \
+	  .retval = __retval, \
+	  .test_type = type, \
+	  .expected_err_msg = NULL, \
+	}
+
+#define __BPF_TEST_FAIL(name, __retval, type, error_msg) \
+	{ \
+	  .prog_name = #name, \
+	  .lskel_prog_desc_offset = 0 /* unused when test is failing */, \
+	  .retval = __retval, \
+	  .test_type = type, \
+	  .expected_err_msg = error_msg, \
+	}
+
+#define TC_TEST(name, retval) __BPF_TEST_SUCCESS(name, retval, tc_test)
+#define SYSCALL_TEST(name, retval) __BPF_TEST_SUCCESS(name, retval, syscall_test)
+#define SYSCALL_NULL_CTX_TEST(name, retval) __BPF_TEST_SUCCESS(name, retval, syscall_null_ctx_test)
+
+#define TC_FAIL(name, retval, error_msg) __BPF_TEST_FAIL(name, retval, tc_test, error_msg)
+#define SYSCALL_NULL_CTX_FAIL(name, retval, error_msg) \
+	__BPF_TEST_FAIL(name, retval, syscall_null_ctx_test, error_msg)
+
+static struct kfunc_test_params kfunc_tests[] = {
+	/* failure cases:
+	 * if retval is 0 -> the program will fail to load and the error message is an error
+	 * if retval is not 0 -> the program can be loaded but running it will gives the
+	 *                       provided return value. The error message is thus the one
+	 *                       from a successful load
+	 */
+	SYSCALL_NULL_CTX_FAIL(kfunc_syscall_test_fail, -EINVAL, "processed 4 insns"),
+	SYSCALL_NULL_CTX_FAIL(kfunc_syscall_test_null_fail, -EINVAL, "processed 4 insns"),
+	TC_FAIL(kfunc_call_test_get_mem_fail_rdonly, 0, "R0 cannot write into rdonly_mem"),
+	TC_FAIL(kfunc_call_test_get_mem_fail_use_after_free, 0, "invalid mem access 'scalar'"),
+	TC_FAIL(kfunc_call_test_get_mem_fail_oob, 0, "min value is outside of the allowed memory range"),
+	TC_FAIL(kfunc_call_test_get_mem_fail_not_const, 0, "is not a const"),
+	TC_FAIL(kfunc_call_test_mem_acquire_fail, 0, "acquire kernel function does not return PTR_TO_BTF_ID"),
+
+	/* success cases */
+	TC_TEST(kfunc_call_test1, 12),
+	TC_TEST(kfunc_call_test2, 3),
+	TC_TEST(kfunc_call_test_ref_btf_id, 0),
+	TC_TEST(kfunc_call_test_get_mem, 42),
+	SYSCALL_TEST(kfunc_syscall_test, 0),
+	SYSCALL_NULL_CTX_TEST(kfunc_syscall_test_null, 0),
+};
+
+struct syscall_test_args {
+	__u8 data[16];
+	size_t size;
+};
+
+static void verify_success(struct kfunc_test_params *param)
+{
+	struct kfunc_call_test_lskel *lskel = NULL;
+	LIBBPF_OPTS(bpf_test_run_opts, topts);
+	struct bpf_prog_desc *lskel_prog;
+	struct kfunc_call_test *skel;
+	struct bpf_program *prog;
+	int prog_fd, err;
+	struct syscall_test_args args = {
+		.size = 10,
+	};
+
+	switch (param->test_type) {
+	case syscall_test:
+		topts.ctx_in = &args;
+		topts.ctx_size_in = sizeof(args);
+		/* fallthrough */
+	case syscall_null_ctx_test:
+		break;
+	case tc_test:
+		topts.data_in = &pkt_v4;
+		topts.data_size_in = sizeof(pkt_v4);
+		topts.repeat = 1;
+		break;
+	}
+
+	/* first test with normal libbpf */
+	skel = kfunc_call_test__open_and_load();
+	if (!ASSERT_OK_PTR(skel, "skel"))
+		return;
+
+	prog = bpf_object__find_program_by_name(skel->obj, param->prog_name);
+	if (!ASSERT_OK_PTR(prog, "bpf_object__find_program_by_name"))
+		goto cleanup;
+
+	prog_fd = bpf_program__fd(prog);
+	err = bpf_prog_test_run_opts(prog_fd, &topts);
+	if (!ASSERT_OK(err, param->prog_name))
+		goto cleanup;
+
+	if (!ASSERT_EQ(topts.retval, param->retval, "retval"))
+		goto cleanup;
+
+	/* second test with light skeletons */
+	lskel = kfunc_call_test_lskel__open_and_load();
+	if (!ASSERT_OK_PTR(lskel, "lskel"))
+		goto cleanup;
+
+	lskel_prog = (struct bpf_prog_desc *)((char *)lskel + param->lskel_prog_desc_offset);
+
+	prog_fd = lskel_prog->prog_fd;
+	err = bpf_prog_test_run_opts(prog_fd, &topts);
+	if (!ASSERT_OK(err, param->prog_name))
+		goto cleanup;
+
+	ASSERT_EQ(topts.retval, param->retval, "retval");
+
+cleanup:
+	kfunc_call_test__destroy(skel);
+	if (lskel)
+		kfunc_call_test_lskel__destroy(lskel);
+}
+
+static void verify_fail(struct kfunc_test_params *param)
+{
+	LIBBPF_OPTS(bpf_object_open_opts, opts);
+	LIBBPF_OPTS(bpf_test_run_opts, topts);
+	struct bpf_program *prog;
+	struct kfunc_call_fail *skel;
+	int prog_fd, err;
+	struct syscall_test_args args = {
+		.size = 10,
+	};
+
+	opts.kernel_log_buf = obj_log_buf;
+	opts.kernel_log_size = log_buf_sz;
+	opts.kernel_log_level = 1;
+
+	switch (param->test_type) {
+	case syscall_test:
+		topts.ctx_in = &args;
+		topts.ctx_size_in = sizeof(args);
+		/* fallthrough */
+	case syscall_null_ctx_test:
+		break;
+	case tc_test:
+		topts.data_in = &pkt_v4;
+		topts.data_size_in = sizeof(pkt_v4);
+		topts.repeat = 1;
+		break;
+	}
+
+	skel = kfunc_call_fail__open_opts(&opts);
+	if (!ASSERT_OK_PTR(skel, "kfunc_call_fail__open_opts"))
+		goto cleanup;
+
+	prog = bpf_object__find_program_by_name(skel->obj, param->prog_name);
+	if (!ASSERT_OK_PTR(prog, "bpf_object__find_program_by_name"))
+		goto cleanup;
+
+	bpf_program__set_autoload(prog, true);
+
+	err = kfunc_call_fail__load(skel);
+	if (!param->retval) {
+		/* the verifier is supposed to complain and refuses to load */
+		if (!ASSERT_ERR(err, "unexpected load success"))
+			goto out_err;
+
+	} else {
+		/* the program is loaded but must dynamically fail */
+		if (!ASSERT_OK(err, "unexpected load error"))
+			goto out_err;
+
+		prog_fd = bpf_program__fd(prog);
+		err = bpf_prog_test_run_opts(prog_fd, &topts);
+		if (!ASSERT_EQ(err, param->retval, param->prog_name))
+			goto out_err;
+	}
+
+out_err:
+	if (!ASSERT_OK_PTR(strstr(obj_log_buf, param->expected_err_msg), "expected_err_msg")) {
+		fprintf(stderr, "Expected err_msg: %s\n", param->expected_err_msg);
+		fprintf(stderr, "Verifier output: %s\n", obj_log_buf);
+	}
+
+cleanup:
+	kfunc_call_fail__destroy(skel);
+}
+
+static void test_main(void)
+{
+	int i;
+
+	for (i = 0; i < ARRAY_SIZE(kfunc_tests); i++) {
+		if (!test__start_subtest(kfunc_tests[i].prog_name))
+			continue;
+
+		if (!kfunc_tests[i].expected_err_msg)
+			verify_success(&kfunc_tests[i]);
+		else
+			verify_fail(&kfunc_tests[i]);
+	}
+}
+
+static void test_subprog(void)
+{
+	struct kfunc_call_test_subprog *skel;
+	int prog_fd, err;
+	LIBBPF_OPTS(bpf_test_run_opts, topts,
+		.data_in = &pkt_v4,
+		.data_size_in = sizeof(pkt_v4),
+		.repeat = 1,
+	);
+
+	skel = kfunc_call_test_subprog__open_and_load();
+	if (!ASSERT_OK_PTR(skel, "skel"))
+		return;
+
+	prog_fd = bpf_program__fd(skel->progs.kfunc_call_test1);
+	err = bpf_prog_test_run_opts(prog_fd, &topts);
+	ASSERT_OK(err, "bpf_prog_test_run(test1)");
+	ASSERT_EQ(topts.retval, 10, "test1-retval");
+	ASSERT_NEQ(skel->data->active_res, -1, "active_res");
+	ASSERT_EQ(skel->data->sk_state_res, BPF_TCP_CLOSE, "sk_state_res");
+
+	kfunc_call_test_subprog__destroy(skel);
+}
+
+static void test_subprog_lskel(void)
+{
+	struct kfunc_call_test_subprog_lskel *skel;
+	int prog_fd, err;
+	LIBBPF_OPTS(bpf_test_run_opts, topts,
+		.data_in = &pkt_v4,
+		.data_size_in = sizeof(pkt_v4),
+		.repeat = 1,
+	);
+
+	skel = kfunc_call_test_subprog_lskel__open_and_load();
+	if (!ASSERT_OK_PTR(skel, "skel"))
+		return;
+
+	prog_fd = skel->progs.kfunc_call_test1.prog_fd;
+	err = bpf_prog_test_run_opts(prog_fd, &topts);
+	ASSERT_OK(err, "bpf_prog_test_run(test1)");
+	ASSERT_EQ(topts.retval, 10, "test1-retval");
+	ASSERT_NEQ(skel->data->active_res, -1, "active_res");
+	ASSERT_EQ(skel->data->sk_state_res, BPF_TCP_CLOSE, "sk_state_res");
+
+	kfunc_call_test_subprog_lskel__destroy(skel);
+}
+
+static int test_destructive_open_and_load(void)
+{
+	struct kfunc_call_destructive *skel;
+	int err;
+
+	skel = kfunc_call_destructive__open();
+	if (!ASSERT_OK_PTR(skel, "prog_open"))
+		return -1;
+
+	err = kfunc_call_destructive__load(skel);
+
+	kfunc_call_destructive__destroy(skel);
+
+	return err;
+}
+
+static void test_destructive(void)
+{
+	__u64 save_caps = 0;
+
+	ASSERT_OK(test_destructive_open_and_load(), "successful_load");
+
+	if (!ASSERT_OK(cap_disable_effective(1ULL << CAP_SYS_BOOT, &save_caps), "drop_caps"))
+		return;
+
+	ASSERT_EQ(test_destructive_open_and_load(), -13, "no_caps_failure");
+
+	cap_enable_effective(save_caps, NULL);
+}
+
+void test_kfunc_call(void)
+{
+	test_main();
+
+	if (test__start_subtest("subprog"))
+		test_subprog();
+
+	if (test__start_subtest("subprog_lskel"))
+		test_subprog_lskel();
+
+	if (test__start_subtest("destructive"))
+		test_destructive();
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/kfunc_dynptr_param.c b/tools/testing/selftests/bpf/prog_tests/kfunc_dynptr_param.c
new file mode 100644
index 000000000..c210657d4
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/kfunc_dynptr_param.c
@@ -0,0 +1,164 @@
+// SPDX-License-Identifier: GPL-2.0
+
+/*
+ * Copyright (c) 2022 Facebook
+ * Copyright (C) 2022 Huawei Technologies Duesseldorf GmbH
+ *
+ * Author: Roberto Sassu <roberto.sassu@huawei.com>
+ */
+
+#include <test_progs.h>
+#include "test_kfunc_dynptr_param.skel.h"
+
+static size_t log_buf_sz = 1048576; /* 1 MB */
+static char obj_log_buf[1048576];
+
+static struct {
+	const char *prog_name;
+	const char *expected_verifier_err_msg;
+	int expected_runtime_err;
+} kfunc_dynptr_tests[] = {
+	{"dynptr_type_not_supp",
+	 "arg#0 pointer type STRUCT bpf_dynptr_kern points to unsupported dynamic pointer type", 0},
+	{"not_valid_dynptr",
+	 "arg#0 pointer type STRUCT bpf_dynptr_kern must be valid and initialized", 0},
+	{"not_ptr_to_stack", "arg#0 pointer type STRUCT bpf_dynptr_kern not to stack", 0},
+	{"dynptr_data_null", NULL, -EBADMSG},
+};
+
+static bool kfunc_not_supported;
+
+static int libbpf_print_cb(enum libbpf_print_level level, const char *fmt,
+			   va_list args)
+{
+	if (strcmp(fmt, "libbpf: extern (func ksym) '%s': not found in kernel or module BTFs\n"))
+		return 0;
+
+	if (strcmp(va_arg(args, char *), "bpf_verify_pkcs7_signature"))
+		return 0;
+
+	kfunc_not_supported = true;
+	return 0;
+}
+
+static void verify_fail(const char *prog_name, const char *expected_err_msg)
+{
+	struct test_kfunc_dynptr_param *skel;
+	LIBBPF_OPTS(bpf_object_open_opts, opts);
+	libbpf_print_fn_t old_print_cb;
+	struct bpf_program *prog;
+	int err;
+
+	opts.kernel_log_buf = obj_log_buf;
+	opts.kernel_log_size = log_buf_sz;
+	opts.kernel_log_level = 1;
+
+	skel = test_kfunc_dynptr_param__open_opts(&opts);
+	if (!ASSERT_OK_PTR(skel, "test_kfunc_dynptr_param__open_opts"))
+		goto cleanup;
+
+	prog = bpf_object__find_program_by_name(skel->obj, prog_name);
+	if (!ASSERT_OK_PTR(prog, "bpf_object__find_program_by_name"))
+		goto cleanup;
+
+	bpf_program__set_autoload(prog, true);
+
+	bpf_map__set_max_entries(skel->maps.ringbuf, getpagesize());
+
+	kfunc_not_supported = false;
+
+	old_print_cb = libbpf_set_print(libbpf_print_cb);
+	err = test_kfunc_dynptr_param__load(skel);
+	libbpf_set_print(old_print_cb);
+
+	if (err < 0 && kfunc_not_supported) {
+		fprintf(stderr,
+		  "%s:SKIP:bpf_verify_pkcs7_signature() kfunc not supported\n",
+		  __func__);
+		test__skip();
+		goto cleanup;
+	}
+
+	if (!ASSERT_ERR(err, "unexpected load success"))
+		goto cleanup;
+
+	if (!ASSERT_OK_PTR(strstr(obj_log_buf, expected_err_msg), "expected_err_msg")) {
+		fprintf(stderr, "Expected err_msg: %s\n", expected_err_msg);
+		fprintf(stderr, "Verifier output: %s\n", obj_log_buf);
+	}
+
+cleanup:
+	test_kfunc_dynptr_param__destroy(skel);
+}
+
+static void verify_success(const char *prog_name, int expected_runtime_err)
+{
+	struct test_kfunc_dynptr_param *skel;
+	libbpf_print_fn_t old_print_cb;
+	struct bpf_program *prog;
+	struct bpf_link *link;
+	__u32 next_id;
+	int err;
+
+	skel = test_kfunc_dynptr_param__open();
+	if (!ASSERT_OK_PTR(skel, "test_kfunc_dynptr_param__open"))
+		return;
+
+	skel->bss->pid = getpid();
+
+	bpf_map__set_max_entries(skel->maps.ringbuf, getpagesize());
+
+	kfunc_not_supported = false;
+
+	old_print_cb = libbpf_set_print(libbpf_print_cb);
+	err = test_kfunc_dynptr_param__load(skel);
+	libbpf_set_print(old_print_cb);
+
+	if (err < 0 && kfunc_not_supported) {
+		fprintf(stderr,
+		  "%s:SKIP:bpf_verify_pkcs7_signature() kfunc not supported\n",
+		  __func__);
+		test__skip();
+		goto cleanup;
+	}
+
+	if (!ASSERT_OK(err, "test_kfunc_dynptr_param__load"))
+		goto cleanup;
+
+	prog = bpf_object__find_program_by_name(skel->obj, prog_name);
+	if (!ASSERT_OK_PTR(prog, "bpf_object__find_program_by_name"))
+		goto cleanup;
+
+	link = bpf_program__attach(prog);
+	if (!ASSERT_OK_PTR(link, "bpf_program__attach"))
+		goto cleanup;
+
+	err = bpf_prog_get_next_id(0, &next_id);
+
+	bpf_link__destroy(link);
+
+	if (!ASSERT_OK(err, "bpf_prog_get_next_id"))
+		goto cleanup;
+
+	ASSERT_EQ(skel->bss->err, expected_runtime_err, "err");
+
+cleanup:
+	test_kfunc_dynptr_param__destroy(skel);
+}
+
+void test_kfunc_dynptr_param(void)
+{
+	int i;
+
+	for (i = 0; i < ARRAY_SIZE(kfunc_dynptr_tests); i++) {
+		if (!test__start_subtest(kfunc_dynptr_tests[i].prog_name))
+			continue;
+
+		if (kfunc_dynptr_tests[i].expected_verifier_err_msg)
+			verify_fail(kfunc_dynptr_tests[i].prog_name,
+			  kfunc_dynptr_tests[i].expected_verifier_err_msg);
+		else
+			verify_success(kfunc_dynptr_tests[i].prog_name,
+				kfunc_dynptr_tests[i].expected_runtime_err);
+	}
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/kprobe_multi_test.c b/tools/testing/selftests/bpf/prog_tests/kprobe_multi_test.c
new file mode 100644
index 000000000..0d82e28ae
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/kprobe_multi_test.c
@@ -0,0 +1,475 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <test_progs.h>
+#include "kprobe_multi.skel.h"
+#include "trace_helpers.h"
+#include "kprobe_multi_empty.skel.h"
+#include "bpf/libbpf_internal.h"
+#include "bpf/hashmap.h"
+
+static void kprobe_multi_test_run(struct kprobe_multi *skel, bool test_return)
+{
+	LIBBPF_OPTS(bpf_test_run_opts, topts);
+	int err, prog_fd;
+
+	prog_fd = bpf_program__fd(skel->progs.trigger);
+	err = bpf_prog_test_run_opts(prog_fd, &topts);
+	ASSERT_OK(err, "test_run");
+	ASSERT_EQ(topts.retval, 0, "test_run");
+
+	ASSERT_EQ(skel->bss->kprobe_test1_result, 1, "kprobe_test1_result");
+	ASSERT_EQ(skel->bss->kprobe_test2_result, 1, "kprobe_test2_result");
+	ASSERT_EQ(skel->bss->kprobe_test3_result, 1, "kprobe_test3_result");
+	ASSERT_EQ(skel->bss->kprobe_test4_result, 1, "kprobe_test4_result");
+	ASSERT_EQ(skel->bss->kprobe_test5_result, 1, "kprobe_test5_result");
+	ASSERT_EQ(skel->bss->kprobe_test6_result, 1, "kprobe_test6_result");
+	ASSERT_EQ(skel->bss->kprobe_test7_result, 1, "kprobe_test7_result");
+	ASSERT_EQ(skel->bss->kprobe_test8_result, 1, "kprobe_test8_result");
+
+	if (test_return) {
+		ASSERT_EQ(skel->bss->kretprobe_test1_result, 1, "kretprobe_test1_result");
+		ASSERT_EQ(skel->bss->kretprobe_test2_result, 1, "kretprobe_test2_result");
+		ASSERT_EQ(skel->bss->kretprobe_test3_result, 1, "kretprobe_test3_result");
+		ASSERT_EQ(skel->bss->kretprobe_test4_result, 1, "kretprobe_test4_result");
+		ASSERT_EQ(skel->bss->kretprobe_test5_result, 1, "kretprobe_test5_result");
+		ASSERT_EQ(skel->bss->kretprobe_test6_result, 1, "kretprobe_test6_result");
+		ASSERT_EQ(skel->bss->kretprobe_test7_result, 1, "kretprobe_test7_result");
+		ASSERT_EQ(skel->bss->kretprobe_test8_result, 1, "kretprobe_test8_result");
+	}
+}
+
+static void test_skel_api(void)
+{
+	struct kprobe_multi *skel = NULL;
+	int err;
+
+	skel = kprobe_multi__open_and_load();
+	if (!ASSERT_OK_PTR(skel, "kprobe_multi__open_and_load"))
+		goto cleanup;
+
+	skel->bss->pid = getpid();
+	err = kprobe_multi__attach(skel);
+	if (!ASSERT_OK(err, "kprobe_multi__attach"))
+		goto cleanup;
+
+	kprobe_multi_test_run(skel, true);
+
+cleanup:
+	kprobe_multi__destroy(skel);
+}
+
+static void test_link_api(struct bpf_link_create_opts *opts)
+{
+	int prog_fd, link1_fd = -1, link2_fd = -1;
+	struct kprobe_multi *skel = NULL;
+
+	skel = kprobe_multi__open_and_load();
+	if (!ASSERT_OK_PTR(skel, "fentry_raw_skel_load"))
+		goto cleanup;
+
+	skel->bss->pid = getpid();
+	prog_fd = bpf_program__fd(skel->progs.test_kprobe);
+	link1_fd = bpf_link_create(prog_fd, 0, BPF_TRACE_KPROBE_MULTI, opts);
+	if (!ASSERT_GE(link1_fd, 0, "link_fd"))
+		goto cleanup;
+
+	opts->kprobe_multi.flags = BPF_F_KPROBE_MULTI_RETURN;
+	prog_fd = bpf_program__fd(skel->progs.test_kretprobe);
+	link2_fd = bpf_link_create(prog_fd, 0, BPF_TRACE_KPROBE_MULTI, opts);
+	if (!ASSERT_GE(link2_fd, 0, "link_fd"))
+		goto cleanup;
+
+	kprobe_multi_test_run(skel, true);
+
+cleanup:
+	if (link1_fd != -1)
+		close(link1_fd);
+	if (link2_fd != -1)
+		close(link2_fd);
+	kprobe_multi__destroy(skel);
+}
+
+#define GET_ADDR(__sym, __addr) ({					\
+	__addr = ksym_get_addr(__sym);					\
+	if (!ASSERT_NEQ(__addr, 0, "kallsyms load failed for " #__sym))	\
+		return;							\
+})
+
+static void test_link_api_addrs(void)
+{
+	LIBBPF_OPTS(bpf_link_create_opts, opts);
+	unsigned long long addrs[8];
+
+	GET_ADDR("bpf_fentry_test1", addrs[0]);
+	GET_ADDR("bpf_fentry_test2", addrs[1]);
+	GET_ADDR("bpf_fentry_test3", addrs[2]);
+	GET_ADDR("bpf_fentry_test4", addrs[3]);
+	GET_ADDR("bpf_fentry_test5", addrs[4]);
+	GET_ADDR("bpf_fentry_test6", addrs[5]);
+	GET_ADDR("bpf_fentry_test7", addrs[6]);
+	GET_ADDR("bpf_fentry_test8", addrs[7]);
+
+	opts.kprobe_multi.addrs = (const unsigned long*) addrs;
+	opts.kprobe_multi.cnt = ARRAY_SIZE(addrs);
+	test_link_api(&opts);
+}
+
+static void test_link_api_syms(void)
+{
+	LIBBPF_OPTS(bpf_link_create_opts, opts);
+	const char *syms[8] = {
+		"bpf_fentry_test1",
+		"bpf_fentry_test2",
+		"bpf_fentry_test3",
+		"bpf_fentry_test4",
+		"bpf_fentry_test5",
+		"bpf_fentry_test6",
+		"bpf_fentry_test7",
+		"bpf_fentry_test8",
+	};
+
+	opts.kprobe_multi.syms = syms;
+	opts.kprobe_multi.cnt = ARRAY_SIZE(syms);
+	test_link_api(&opts);
+}
+
+static void
+test_attach_api(const char *pattern, struct bpf_kprobe_multi_opts *opts)
+{
+	struct bpf_link *link1 = NULL, *link2 = NULL;
+	struct kprobe_multi *skel = NULL;
+
+	skel = kprobe_multi__open_and_load();
+	if (!ASSERT_OK_PTR(skel, "fentry_raw_skel_load"))
+		goto cleanup;
+
+	skel->bss->pid = getpid();
+	link1 = bpf_program__attach_kprobe_multi_opts(skel->progs.test_kprobe_manual,
+						      pattern, opts);
+	if (!ASSERT_OK_PTR(link1, "bpf_program__attach_kprobe_multi_opts"))
+		goto cleanup;
+
+	if (opts) {
+		opts->retprobe = true;
+		link2 = bpf_program__attach_kprobe_multi_opts(skel->progs.test_kretprobe_manual,
+							      pattern, opts);
+		if (!ASSERT_OK_PTR(link2, "bpf_program__attach_kprobe_multi_opts"))
+			goto cleanup;
+	}
+
+	kprobe_multi_test_run(skel, !!opts);
+
+cleanup:
+	bpf_link__destroy(link2);
+	bpf_link__destroy(link1);
+	kprobe_multi__destroy(skel);
+}
+
+static void test_attach_api_pattern(void)
+{
+	LIBBPF_OPTS(bpf_kprobe_multi_opts, opts);
+
+	test_attach_api("bpf_fentry_test*", &opts);
+	test_attach_api("bpf_fentry_test?", NULL);
+}
+
+static void test_attach_api_addrs(void)
+{
+	LIBBPF_OPTS(bpf_kprobe_multi_opts, opts);
+	unsigned long long addrs[8];
+
+	GET_ADDR("bpf_fentry_test1", addrs[0]);
+	GET_ADDR("bpf_fentry_test2", addrs[1]);
+	GET_ADDR("bpf_fentry_test3", addrs[2]);
+	GET_ADDR("bpf_fentry_test4", addrs[3]);
+	GET_ADDR("bpf_fentry_test5", addrs[4]);
+	GET_ADDR("bpf_fentry_test6", addrs[5]);
+	GET_ADDR("bpf_fentry_test7", addrs[6]);
+	GET_ADDR("bpf_fentry_test8", addrs[7]);
+
+	opts.addrs = (const unsigned long *) addrs;
+	opts.cnt = ARRAY_SIZE(addrs);
+	test_attach_api(NULL, &opts);
+}
+
+static void test_attach_api_syms(void)
+{
+	LIBBPF_OPTS(bpf_kprobe_multi_opts, opts);
+	const char *syms[8] = {
+		"bpf_fentry_test1",
+		"bpf_fentry_test2",
+		"bpf_fentry_test3",
+		"bpf_fentry_test4",
+		"bpf_fentry_test5",
+		"bpf_fentry_test6",
+		"bpf_fentry_test7",
+		"bpf_fentry_test8",
+	};
+
+	opts.syms = syms;
+	opts.cnt = ARRAY_SIZE(syms);
+	test_attach_api(NULL, &opts);
+}
+
+static void test_attach_api_fails(void)
+{
+	LIBBPF_OPTS(bpf_kprobe_multi_opts, opts);
+	struct kprobe_multi *skel = NULL;
+	struct bpf_link *link = NULL;
+	unsigned long long addrs[2];
+	const char *syms[2] = {
+		"bpf_fentry_test1",
+		"bpf_fentry_test2",
+	};
+	__u64 cookies[2];
+
+	addrs[0] = ksym_get_addr("bpf_fentry_test1");
+	addrs[1] = ksym_get_addr("bpf_fentry_test2");
+
+	if (!ASSERT_FALSE(!addrs[0] || !addrs[1], "ksym_get_addr"))
+		goto cleanup;
+
+	skel = kprobe_multi__open_and_load();
+	if (!ASSERT_OK_PTR(skel, "fentry_raw_skel_load"))
+		goto cleanup;
+
+	skel->bss->pid = getpid();
+
+	/* fail_1 - pattern and opts NULL */
+	link = bpf_program__attach_kprobe_multi_opts(skel->progs.test_kprobe_manual,
+						     NULL, NULL);
+	if (!ASSERT_ERR_PTR(link, "fail_1"))
+		goto cleanup;
+
+	if (!ASSERT_EQ(libbpf_get_error(link), -EINVAL, "fail_1_error"))
+		goto cleanup;
+
+	/* fail_2 - both addrs and syms set */
+	opts.addrs = (const unsigned long *) addrs;
+	opts.syms = syms;
+	opts.cnt = ARRAY_SIZE(syms);
+	opts.cookies = NULL;
+
+	link = bpf_program__attach_kprobe_multi_opts(skel->progs.test_kprobe_manual,
+						     NULL, &opts);
+	if (!ASSERT_ERR_PTR(link, "fail_2"))
+		goto cleanup;
+
+	if (!ASSERT_EQ(libbpf_get_error(link), -EINVAL, "fail_2_error"))
+		goto cleanup;
+
+	/* fail_3 - pattern and addrs set */
+	opts.addrs = (const unsigned long *) addrs;
+	opts.syms = NULL;
+	opts.cnt = ARRAY_SIZE(syms);
+	opts.cookies = NULL;
+
+	link = bpf_program__attach_kprobe_multi_opts(skel->progs.test_kprobe_manual,
+						     "ksys_*", &opts);
+	if (!ASSERT_ERR_PTR(link, "fail_3"))
+		goto cleanup;
+
+	if (!ASSERT_EQ(libbpf_get_error(link), -EINVAL, "fail_3_error"))
+		goto cleanup;
+
+	/* fail_4 - pattern and cnt set */
+	opts.addrs = NULL;
+	opts.syms = NULL;
+	opts.cnt = ARRAY_SIZE(syms);
+	opts.cookies = NULL;
+
+	link = bpf_program__attach_kprobe_multi_opts(skel->progs.test_kprobe_manual,
+						     "ksys_*", &opts);
+	if (!ASSERT_ERR_PTR(link, "fail_4"))
+		goto cleanup;
+
+	if (!ASSERT_EQ(libbpf_get_error(link), -EINVAL, "fail_4_error"))
+		goto cleanup;
+
+	/* fail_5 - pattern and cookies */
+	opts.addrs = NULL;
+	opts.syms = NULL;
+	opts.cnt = 0;
+	opts.cookies = cookies;
+
+	link = bpf_program__attach_kprobe_multi_opts(skel->progs.test_kprobe_manual,
+						     "ksys_*", &opts);
+	if (!ASSERT_ERR_PTR(link, "fail_5"))
+		goto cleanup;
+
+	if (!ASSERT_EQ(libbpf_get_error(link), -EINVAL, "fail_5_error"))
+		goto cleanup;
+
+cleanup:
+	bpf_link__destroy(link);
+	kprobe_multi__destroy(skel);
+}
+
+static inline __u64 get_time_ns(void)
+{
+	struct timespec t;
+
+	clock_gettime(CLOCK_MONOTONIC, &t);
+	return (__u64) t.tv_sec * 1000000000 + t.tv_nsec;
+}
+
+static size_t symbol_hash(const void *key, void *ctx __maybe_unused)
+{
+	return str_hash((const char *) key);
+}
+
+static bool symbol_equal(const void *key1, const void *key2, void *ctx __maybe_unused)
+{
+	return strcmp((const char *) key1, (const char *) key2) == 0;
+}
+
+static int get_syms(char ***symsp, size_t *cntp)
+{
+	size_t cap = 0, cnt = 0, i;
+	char *name = NULL, **syms = NULL;
+	struct hashmap *map;
+	char buf[256];
+	FILE *f;
+	int err = 0;
+
+	/*
+	 * The available_filter_functions contains many duplicates,
+	 * but other than that all symbols are usable in kprobe multi
+	 * interface.
+	 * Filtering out duplicates by using hashmap__add, which won't
+	 * add existing entry.
+	 */
+	f = fopen("/sys/kernel/debug/tracing/available_filter_functions", "r");
+	if (!f)
+		return -EINVAL;
+
+	map = hashmap__new(symbol_hash, symbol_equal, NULL);
+	if (IS_ERR(map)) {
+		err = libbpf_get_error(map);
+		goto error;
+	}
+
+	while (fgets(buf, sizeof(buf), f)) {
+		/* skip modules */
+		if (strchr(buf, '['))
+			continue;
+
+		free(name);
+		if (sscanf(buf, "%ms$*[^\n]\n", &name) != 1)
+			continue;
+		/*
+		 * We attach to almost all kernel functions and some of them
+		 * will cause 'suspicious RCU usage' when fprobe is attached
+		 * to them. Filter out the current culprits - arch_cpu_idle
+		 * default_idle and rcu_* functions.
+		 */
+		if (!strcmp(name, "arch_cpu_idle"))
+			continue;
+		if (!strcmp(name, "default_idle"))
+			continue;
+		if (!strncmp(name, "rcu_", 4))
+			continue;
+		if (!strcmp(name, "bpf_dispatcher_xdp_func"))
+			continue;
+		if (!strncmp(name, "__ftrace_invalid_address__",
+			     sizeof("__ftrace_invalid_address__") - 1))
+			continue;
+
+		err = hashmap__add(map, name, NULL);
+		if (err == -EEXIST)
+			continue;
+		if (err)
+			goto error;
+
+		err = libbpf_ensure_mem((void **) &syms, &cap,
+					sizeof(*syms), cnt + 1);
+		if (err)
+			goto error;
+
+		syms[cnt++] = name;
+		name = NULL;
+	}
+
+	*symsp = syms;
+	*cntp = cnt;
+
+error:
+	free(name);
+	fclose(f);
+	hashmap__free(map);
+	if (err) {
+		for (i = 0; i < cnt; i++)
+			free(syms[i]);
+		free(syms);
+	}
+	return err;
+}
+
+void serial_test_kprobe_multi_bench_attach(void)
+{
+	LIBBPF_OPTS(bpf_kprobe_multi_opts, opts);
+	struct kprobe_multi_empty *skel = NULL;
+	long attach_start_ns, attach_end_ns;
+	long detach_start_ns, detach_end_ns;
+	double attach_delta, detach_delta;
+	struct bpf_link *link = NULL;
+	char **syms = NULL;
+	size_t cnt = 0, i;
+
+	if (!ASSERT_OK(get_syms(&syms, &cnt), "get_syms"))
+		return;
+
+	skel = kprobe_multi_empty__open_and_load();
+	if (!ASSERT_OK_PTR(skel, "kprobe_multi_empty__open_and_load"))
+		goto cleanup;
+
+	opts.syms = (const char **) syms;
+	opts.cnt = cnt;
+
+	attach_start_ns = get_time_ns();
+	link = bpf_program__attach_kprobe_multi_opts(skel->progs.test_kprobe_empty,
+						     NULL, &opts);
+	attach_end_ns = get_time_ns();
+
+	if (!ASSERT_OK_PTR(link, "bpf_program__attach_kprobe_multi_opts"))
+		goto cleanup;
+
+	detach_start_ns = get_time_ns();
+	bpf_link__destroy(link);
+	detach_end_ns = get_time_ns();
+
+	attach_delta = (attach_end_ns - attach_start_ns) / 1000000000.0;
+	detach_delta = (detach_end_ns - detach_start_ns) / 1000000000.0;
+
+	printf("%s: found %lu functions\n", __func__, cnt);
+	printf("%s: attached in %7.3lfs\n", __func__, attach_delta);
+	printf("%s: detached in %7.3lfs\n", __func__, detach_delta);
+
+cleanup:
+	kprobe_multi_empty__destroy(skel);
+	if (syms) {
+		for (i = 0; i < cnt; i++)
+			free(syms[i]);
+		free(syms);
+	}
+}
+
+void test_kprobe_multi_test(void)
+{
+	if (!ASSERT_OK(load_kallsyms(), "load_kallsyms"))
+		return;
+
+	if (test__start_subtest("skel_api"))
+		test_skel_api();
+	if (test__start_subtest("link_api_addrs"))
+		test_link_api_syms();
+	if (test__start_subtest("link_api_syms"))
+		test_link_api_addrs();
+	if (test__start_subtest("attach_api_pattern"))
+		test_attach_api_pattern();
+	if (test__start_subtest("attach_api_addrs"))
+		test_attach_api_addrs();
+	if (test__start_subtest("attach_api_syms"))
+		test_attach_api_syms();
+	if (test__start_subtest("attach_api_fails"))
+		test_attach_api_fails();
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/ksyms.c b/tools/testing/selftests/bpf/prog_tests/ksyms.c
new file mode 100644
index 000000000..b295969b2
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/ksyms.c
@@ -0,0 +1,61 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2019 Facebook */
+
+#include <test_progs.h>
+#include "test_ksyms.skel.h"
+#include <sys/stat.h>
+
+static int duration;
+
+void test_ksyms(void)
+{
+	const char *btf_path = "/sys/kernel/btf/vmlinux";
+	struct test_ksyms *skel;
+	struct test_ksyms__data *data;
+	__u64 link_fops_addr, per_cpu_start_addr;
+	struct stat st;
+	__u64 btf_size;
+	int err;
+
+	err = kallsyms_find("bpf_link_fops", &link_fops_addr);
+	if (CHECK(err == -EINVAL, "kallsyms_fopen", "failed to open: %d\n", errno))
+		return;
+	if (CHECK(err == -ENOENT, "ksym_find", "symbol 'bpf_link_fops' not found\n"))
+		return;
+
+	err = kallsyms_find("__per_cpu_start", &per_cpu_start_addr);
+	if (CHECK(err == -EINVAL, "kallsyms_fopen", "failed to open: %d\n", errno))
+		return;
+	if (CHECK(err == -ENOENT, "ksym_find", "symbol 'per_cpu_start' not found\n"))
+		return;
+
+	if (CHECK(stat(btf_path, &st), "stat_btf", "err %d\n", errno))
+		return;
+	btf_size = st.st_size;
+
+	skel = test_ksyms__open_and_load();
+	if (CHECK(!skel, "skel_open", "failed to open and load skeleton\n"))
+		return;
+
+	err = test_ksyms__attach(skel);
+	if (CHECK(err, "skel_attach", "skeleton attach failed: %d\n", err))
+		goto cleanup;
+
+	/* trigger tracepoint */
+	usleep(1);
+
+	data = skel->data;
+	CHECK(data->out__bpf_link_fops != link_fops_addr, "bpf_link_fops",
+	      "got 0x%llx, exp 0x%llx\n",
+	      data->out__bpf_link_fops, link_fops_addr);
+	CHECK(data->out__bpf_link_fops1 != 0, "bpf_link_fops1",
+	      "got %llu, exp %llu\n", data->out__bpf_link_fops1, (__u64)0);
+	CHECK(data->out__btf_size != btf_size, "btf_size",
+	      "got %llu, exp %llu\n", data->out__btf_size, btf_size);
+	CHECK(data->out__per_cpu_start != per_cpu_start_addr, "__per_cpu_start",
+	      "got %llu, exp %llu\n", data->out__per_cpu_start,
+	      per_cpu_start_addr);
+
+cleanup:
+	test_ksyms__destroy(skel);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/ksyms_btf.c b/tools/testing/selftests/bpf/prog_tests/ksyms_btf.c
new file mode 100644
index 000000000..1d7a2f1e0
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/ksyms_btf.c
@@ -0,0 +1,191 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2020 Google */
+
+#include <test_progs.h>
+#include <bpf/libbpf.h>
+#include <bpf/btf.h>
+#include "test_ksyms_btf.skel.h"
+#include "test_ksyms_btf_null_check.skel.h"
+#include "test_ksyms_weak.skel.h"
+#include "test_ksyms_weak.lskel.h"
+#include "test_ksyms_btf_write_check.skel.h"
+
+static int duration;
+
+static void test_basic(void)
+{
+	__u64 runqueues_addr, bpf_prog_active_addr;
+	__u32 this_rq_cpu;
+	int this_bpf_prog_active;
+	struct test_ksyms_btf *skel = NULL;
+	struct test_ksyms_btf__data *data;
+	int err;
+
+	err = kallsyms_find("runqueues", &runqueues_addr);
+	if (CHECK(err == -EINVAL, "kallsyms_fopen", "failed to open: %d\n", errno))
+		return;
+	if (CHECK(err == -ENOENT, "ksym_find", "symbol 'runqueues' not found\n"))
+		return;
+
+	err = kallsyms_find("bpf_prog_active", &bpf_prog_active_addr);
+	if (CHECK(err == -EINVAL, "kallsyms_fopen", "failed to open: %d\n", errno))
+		return;
+	if (CHECK(err == -ENOENT, "ksym_find", "symbol 'bpf_prog_active' not found\n"))
+		return;
+
+	skel = test_ksyms_btf__open_and_load();
+	if (CHECK(!skel, "skel_open", "failed to open and load skeleton\n"))
+		goto cleanup;
+
+	err = test_ksyms_btf__attach(skel);
+	if (CHECK(err, "skel_attach", "skeleton attach failed: %d\n", err))
+		goto cleanup;
+
+	/* trigger tracepoint */
+	usleep(1);
+
+	data = skel->data;
+	CHECK(data->out__runqueues_addr != runqueues_addr, "runqueues_addr",
+	      "got %llu, exp %llu\n",
+	      (unsigned long long)data->out__runqueues_addr,
+	      (unsigned long long)runqueues_addr);
+	CHECK(data->out__bpf_prog_active_addr != bpf_prog_active_addr, "bpf_prog_active_addr",
+	      "got %llu, exp %llu\n",
+	      (unsigned long long)data->out__bpf_prog_active_addr,
+	      (unsigned long long)bpf_prog_active_addr);
+
+	CHECK(data->out__rq_cpu == -1, "rq_cpu",
+	      "got %u, exp != -1\n", data->out__rq_cpu);
+	CHECK(data->out__bpf_prog_active < 0, "bpf_prog_active",
+	      "got %d, exp >= 0\n", data->out__bpf_prog_active);
+	CHECK(data->out__cpu_0_rq_cpu != 0, "cpu_rq(0)->cpu",
+	      "got %u, exp 0\n", data->out__cpu_0_rq_cpu);
+
+	this_rq_cpu = data->out__this_rq_cpu;
+	CHECK(this_rq_cpu != data->out__rq_cpu, "this_rq_cpu",
+	      "got %u, exp %u\n", this_rq_cpu, data->out__rq_cpu);
+
+	this_bpf_prog_active = data->out__this_bpf_prog_active;
+	CHECK(this_bpf_prog_active != data->out__bpf_prog_active, "this_bpf_prog_active",
+	      "got %d, exp %d\n", this_bpf_prog_active,
+	      data->out__bpf_prog_active);
+
+cleanup:
+	test_ksyms_btf__destroy(skel);
+}
+
+static void test_null_check(void)
+{
+	struct test_ksyms_btf_null_check *skel;
+
+	skel = test_ksyms_btf_null_check__open_and_load();
+	CHECK(skel, "skel_open", "unexpected load of a prog missing null check\n");
+
+	test_ksyms_btf_null_check__destroy(skel);
+}
+
+static void test_weak_syms(void)
+{
+	struct test_ksyms_weak *skel;
+	struct test_ksyms_weak__data *data;
+	int err;
+
+	skel = test_ksyms_weak__open_and_load();
+	if (!ASSERT_OK_PTR(skel, "test_ksyms_weak__open_and_load"))
+		return;
+
+	err = test_ksyms_weak__attach(skel);
+	if (!ASSERT_OK(err, "test_ksyms_weak__attach"))
+		goto cleanup;
+
+	/* trigger tracepoint */
+	usleep(1);
+
+	data = skel->data;
+	ASSERT_EQ(data->out__existing_typed, 0, "existing typed ksym");
+	ASSERT_NEQ(data->out__existing_typeless, -1, "existing typeless ksym");
+	ASSERT_EQ(data->out__non_existent_typeless, 0, "nonexistent typeless ksym");
+	ASSERT_EQ(data->out__non_existent_typed, 0, "nonexistent typed ksym");
+
+cleanup:
+	test_ksyms_weak__destroy(skel);
+}
+
+static void test_weak_syms_lskel(void)
+{
+	struct test_ksyms_weak_lskel *skel;
+	struct test_ksyms_weak_lskel__data *data;
+	int err;
+
+	skel = test_ksyms_weak_lskel__open_and_load();
+	if (!ASSERT_OK_PTR(skel, "test_ksyms_weak_lskel__open_and_load"))
+		return;
+
+	err = test_ksyms_weak_lskel__attach(skel);
+	if (!ASSERT_OK(err, "test_ksyms_weak_lskel__attach"))
+		goto cleanup;
+
+	/* trigger tracepoint */
+	usleep(1);
+
+	data = skel->data;
+	ASSERT_EQ(data->out__existing_typed, 0, "existing typed ksym");
+	ASSERT_NEQ(data->out__existing_typeless, -1, "existing typeless ksym");
+	ASSERT_EQ(data->out__non_existent_typeless, 0, "nonexistent typeless ksym");
+	ASSERT_EQ(data->out__non_existent_typed, 0, "nonexistent typed ksym");
+
+cleanup:
+	test_ksyms_weak_lskel__destroy(skel);
+}
+
+static void test_write_check(bool test_handler1)
+{
+	struct test_ksyms_btf_write_check *skel;
+
+	skel = test_ksyms_btf_write_check__open();
+	if (!ASSERT_OK_PTR(skel, "test_ksyms_btf_write_check__open"))
+		return;
+	bpf_program__set_autoload(test_handler1 ? skel->progs.handler2 : skel->progs.handler1, false);
+	ASSERT_ERR(test_ksyms_btf_write_check__load(skel),
+		   "unexpected load of a prog writing to ksym memory\n");
+
+	test_ksyms_btf_write_check__destroy(skel);
+}
+
+void test_ksyms_btf(void)
+{
+	int percpu_datasec;
+	struct btf *btf;
+
+	btf = libbpf_find_kernel_btf();
+	if (!ASSERT_OK_PTR(btf, "btf_exists"))
+		return;
+
+	percpu_datasec = btf__find_by_name_kind(btf, ".data..percpu",
+						BTF_KIND_DATASEC);
+	btf__free(btf);
+	if (percpu_datasec < 0) {
+		printf("%s:SKIP:no PERCPU DATASEC in kernel btf\n",
+		       __func__);
+		test__skip();
+		return;
+	}
+
+	if (test__start_subtest("basic"))
+		test_basic();
+
+	if (test__start_subtest("null_check"))
+		test_null_check();
+
+	if (test__start_subtest("weak_ksyms"))
+		test_weak_syms();
+
+	if (test__start_subtest("weak_ksyms_lskel"))
+		test_weak_syms_lskel();
+
+	if (test__start_subtest("write_check1"))
+		test_write_check(true);
+
+	if (test__start_subtest("write_check2"))
+		test_write_check(false);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/ksyms_module.c b/tools/testing/selftests/bpf/prog_tests/ksyms_module.c
new file mode 100644
index 000000000..a1ebac70e
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/ksyms_module.c
@@ -0,0 +1,69 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2021 Facebook */
+
+#include <test_progs.h>
+#include <network_helpers.h>
+#include "test_ksyms_module.lskel.h"
+#include "test_ksyms_module.skel.h"
+
+static void test_ksyms_module_lskel(void)
+{
+	struct test_ksyms_module_lskel *skel;
+	int err;
+	LIBBPF_OPTS(bpf_test_run_opts, topts,
+		.data_in = &pkt_v4,
+		.data_size_in = sizeof(pkt_v4),
+		.repeat = 1,
+	);
+
+	if (!env.has_testmod) {
+		test__skip();
+		return;
+	}
+
+	skel = test_ksyms_module_lskel__open_and_load();
+	if (!ASSERT_OK_PTR(skel, "test_ksyms_module_lskel__open_and_load"))
+		return;
+	err = bpf_prog_test_run_opts(skel->progs.load.prog_fd, &topts);
+	if (!ASSERT_OK(err, "bpf_prog_test_run"))
+		goto cleanup;
+	ASSERT_EQ(topts.retval, 0, "retval");
+	ASSERT_EQ(skel->bss->out_bpf_testmod_ksym, 42, "bpf_testmod_ksym");
+cleanup:
+	test_ksyms_module_lskel__destroy(skel);
+}
+
+static void test_ksyms_module_libbpf(void)
+{
+	struct test_ksyms_module *skel;
+	int err;
+	LIBBPF_OPTS(bpf_test_run_opts, topts,
+		.data_in = &pkt_v4,
+		.data_size_in = sizeof(pkt_v4),
+		.repeat = 1,
+	);
+
+	if (!env.has_testmod) {
+		test__skip();
+		return;
+	}
+
+	skel = test_ksyms_module__open_and_load();
+	if (!ASSERT_OK_PTR(skel, "test_ksyms_module__open"))
+		return;
+	err = bpf_prog_test_run_opts(bpf_program__fd(skel->progs.load), &topts);
+	if (!ASSERT_OK(err, "bpf_prog_test_run"))
+		goto cleanup;
+	ASSERT_EQ(topts.retval, 0, "retval");
+	ASSERT_EQ(skel->bss->out_bpf_testmod_ksym, 42, "bpf_testmod_ksym");
+cleanup:
+	test_ksyms_module__destroy(skel);
+}
+
+void test_ksyms_module(void)
+{
+	if (test__start_subtest("lskel"))
+		test_ksyms_module_lskel();
+	if (test__start_subtest("libbpf"))
+		test_ksyms_module_libbpf();
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/l4lb_all.c b/tools/testing/selftests/bpf/prog_tests/l4lb_all.c
new file mode 100644
index 000000000..9c1a18573
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/l4lb_all.c
@@ -0,0 +1,96 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <test_progs.h>
+#include <network_helpers.h>
+
+static void test_l4lb(const char *file)
+{
+	unsigned int nr_cpus = bpf_num_possible_cpus();
+	struct vip key = {.protocol = 6};
+	struct vip_meta {
+		__u32 flags;
+		__u32 vip_num;
+	} value = {.vip_num = VIP_NUM};
+	__u32 stats_key = VIP_NUM;
+	struct vip_stats {
+		__u64 bytes;
+		__u64 pkts;
+	} stats[nr_cpus];
+	struct real_definition {
+		union {
+			__be32 dst;
+			__be32 dstv6[4];
+		};
+		__u8 flags;
+	} real_def = {.dst = MAGIC_VAL};
+	__u32 ch_key = 11, real_num = 3;
+	int err, i, prog_fd, map_fd;
+	__u64 bytes = 0, pkts = 0;
+	struct bpf_object *obj;
+	char buf[128];
+	u32 *magic = (u32 *)buf;
+	LIBBPF_OPTS(bpf_test_run_opts, topts,
+		.data_out = buf,
+		.data_size_out = sizeof(buf),
+		.repeat = NUM_ITER,
+	);
+
+	err = bpf_prog_test_load(file, BPF_PROG_TYPE_SCHED_CLS, &obj, &prog_fd);
+	if (CHECK_FAIL(err))
+		return;
+
+	map_fd = bpf_find_map(__func__, obj, "vip_map");
+	if (map_fd < 0)
+		goto out;
+	bpf_map_update_elem(map_fd, &key, &value, 0);
+
+	map_fd = bpf_find_map(__func__, obj, "ch_rings");
+	if (map_fd < 0)
+		goto out;
+	bpf_map_update_elem(map_fd, &ch_key, &real_num, 0);
+
+	map_fd = bpf_find_map(__func__, obj, "reals");
+	if (map_fd < 0)
+		goto out;
+	bpf_map_update_elem(map_fd, &real_num, &real_def, 0);
+
+	topts.data_in = &pkt_v4;
+	topts.data_size_in = sizeof(pkt_v4);
+
+	err = bpf_prog_test_run_opts(prog_fd, &topts);
+	ASSERT_OK(err, "test_run");
+	ASSERT_EQ(topts.retval, 7 /*TC_ACT_REDIRECT*/, "ipv4 test_run retval");
+	ASSERT_EQ(topts.data_size_out, 54, "ipv4 test_run data_size_out");
+	ASSERT_EQ(*magic, MAGIC_VAL, "ipv4 magic");
+
+	topts.data_in = &pkt_v6;
+	topts.data_size_in = sizeof(pkt_v6);
+	topts.data_size_out = sizeof(buf); /* reset out size */
+
+	err = bpf_prog_test_run_opts(prog_fd, &topts);
+	ASSERT_OK(err, "test_run");
+	ASSERT_EQ(topts.retval, 7 /*TC_ACT_REDIRECT*/, "ipv6 test_run retval");
+	ASSERT_EQ(topts.data_size_out, 74, "ipv6 test_run data_size_out");
+	ASSERT_EQ(*magic, MAGIC_VAL, "ipv6 magic");
+
+	map_fd = bpf_find_map(__func__, obj, "stats");
+	if (map_fd < 0)
+		goto out;
+	bpf_map_lookup_elem(map_fd, &stats_key, stats);
+	for (i = 0; i < nr_cpus; i++) {
+		bytes += stats[i].bytes;
+		pkts += stats[i].pkts;
+	}
+	if (CHECK_FAIL(bytes != MAGIC_BYTES * NUM_ITER * 2 ||
+		       pkts != NUM_ITER * 2))
+		printf("test_l4lb:FAIL:stats %lld %lld\n", bytes, pkts);
+out:
+	bpf_object__close(obj);
+}
+
+void test_l4lb_all(void)
+{
+	if (test__start_subtest("l4lb_inline"))
+		test_l4lb("test_l4lb.bpf.o");
+	if (test__start_subtest("l4lb_noinline"))
+		test_l4lb("test_l4lb_noinline.bpf.o");
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/legacy_printk.c b/tools/testing/selftests/bpf/prog_tests/legacy_printk.c
new file mode 100644
index 000000000..ec6e45f2a
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/legacy_printk.c
@@ -0,0 +1,65 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2021 Facebook */
+#include <test_progs.h>
+#include "test_legacy_printk.skel.h"
+
+static int execute_one_variant(bool legacy)
+{
+	struct test_legacy_printk *skel;
+	int err, zero = 0, my_pid = getpid(), res, map_fd;
+
+	skel = test_legacy_printk__open();
+	if (!ASSERT_OK_PTR(skel, "skel_open"))
+		return -errno;
+
+	bpf_program__set_autoload(skel->progs.handle_legacy, legacy);
+	bpf_program__set_autoload(skel->progs.handle_modern, !legacy);
+
+	err = test_legacy_printk__load(skel);
+	/* no ASSERT_OK, we expect one of two variants can fail here */
+	if (err)
+		goto err_out;
+
+	if (legacy) {
+		map_fd = bpf_map__fd(skel->maps.my_pid_map);
+		err = bpf_map_update_elem(map_fd, &zero, &my_pid, BPF_ANY);
+		if (!ASSERT_OK(err, "my_pid_map_update"))
+			goto err_out;
+		err = bpf_map_lookup_elem(map_fd, &zero, &res);
+	} else {
+		skel->bss->my_pid_var = my_pid;
+	}
+
+	err = test_legacy_printk__attach(skel);
+	if (!ASSERT_OK(err, "skel_attach"))
+		goto err_out;
+
+	usleep(1); /* trigger */
+
+	if (legacy) {
+		map_fd = bpf_map__fd(skel->maps.res_map);
+		err = bpf_map_lookup_elem(map_fd, &zero, &res);
+		if (!ASSERT_OK(err, "res_map_lookup"))
+			goto err_out;
+	} else {
+		res = skel->bss->res_var;
+	}
+
+	if (!ASSERT_GT(res, 0, "res")) {
+		err = -EINVAL;
+		goto err_out;
+	}
+
+err_out:
+	test_legacy_printk__destroy(skel);
+	return err;
+}
+
+void test_legacy_printk(void)
+{
+	/* legacy variant should work everywhere */
+	ASSERT_OK(execute_one_variant(true /* legacy */), "legacy_case");
+
+	/* execute modern variant, can fail the load on old kernels */
+	execute_one_variant(false);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/libbpf_probes.c b/tools/testing/selftests/bpf/prog_tests/libbpf_probes.c
new file mode 100644
index 000000000..9f766ddd9
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/libbpf_probes.c
@@ -0,0 +1,124 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* Copyright (c) 2021 Facebook */
+
+#include <test_progs.h>
+#include <bpf/btf.h>
+
+void test_libbpf_probe_prog_types(void)
+{
+	struct btf *btf;
+	const struct btf_type *t;
+	const struct btf_enum *e;
+	int i, n, id;
+
+	btf = btf__parse("/sys/kernel/btf/vmlinux", NULL);
+	if (!ASSERT_OK_PTR(btf, "btf_parse"))
+		return;
+
+	/* find enum bpf_prog_type and enumerate each value */
+	id = btf__find_by_name_kind(btf, "bpf_prog_type", BTF_KIND_ENUM);
+	if (!ASSERT_GT(id, 0, "bpf_prog_type_id"))
+		goto cleanup;
+	t = btf__type_by_id(btf, id);
+	if (!ASSERT_OK_PTR(t, "bpf_prog_type_enum"))
+		goto cleanup;
+
+	for (e = btf_enum(t), i = 0, n = btf_vlen(t); i < n; e++, i++) {
+		const char *prog_type_name = btf__str_by_offset(btf, e->name_off);
+		enum bpf_prog_type prog_type = (enum bpf_prog_type)e->val;
+		int res;
+
+		if (prog_type == BPF_PROG_TYPE_UNSPEC)
+			continue;
+
+		if (!test__start_subtest(prog_type_name))
+			continue;
+
+		res = libbpf_probe_bpf_prog_type(prog_type, NULL);
+		ASSERT_EQ(res, 1, prog_type_name);
+	}
+
+cleanup:
+	btf__free(btf);
+}
+
+void test_libbpf_probe_map_types(void)
+{
+	struct btf *btf;
+	const struct btf_type *t;
+	const struct btf_enum *e;
+	int i, n, id;
+
+	btf = btf__parse("/sys/kernel/btf/vmlinux", NULL);
+	if (!ASSERT_OK_PTR(btf, "btf_parse"))
+		return;
+
+	/* find enum bpf_map_type and enumerate each value */
+	id = btf__find_by_name_kind(btf, "bpf_map_type", BTF_KIND_ENUM);
+	if (!ASSERT_GT(id, 0, "bpf_map_type_id"))
+		goto cleanup;
+	t = btf__type_by_id(btf, id);
+	if (!ASSERT_OK_PTR(t, "bpf_map_type_enum"))
+		goto cleanup;
+
+	for (e = btf_enum(t), i = 0, n = btf_vlen(t); i < n; e++, i++) {
+		const char *map_type_name = btf__str_by_offset(btf, e->name_off);
+		enum bpf_map_type map_type = (enum bpf_map_type)e->val;
+		int res;
+
+		if (map_type == BPF_MAP_TYPE_UNSPEC)
+			continue;
+
+		if (!test__start_subtest(map_type_name))
+			continue;
+
+		res = libbpf_probe_bpf_map_type(map_type, NULL);
+		ASSERT_EQ(res, 1, map_type_name);
+	}
+
+cleanup:
+	btf__free(btf);
+}
+
+void test_libbpf_probe_helpers(void)
+{
+#define CASE(prog, helper, supp) {			\
+	.prog_type_name = "BPF_PROG_TYPE_" # prog,	\
+	.helper_name = "bpf_" # helper,			\
+	.prog_type = BPF_PROG_TYPE_ ## prog,		\
+	.helper_id = BPF_FUNC_ ## helper,		\
+	.supported = supp,				\
+}
+	const struct case_def {
+		const char *prog_type_name;
+		const char *helper_name;
+		enum bpf_prog_type prog_type;
+		enum bpf_func_id helper_id;
+		bool supported;
+	} cases[] = {
+		CASE(KPROBE, unspec, false),
+		CASE(KPROBE, map_lookup_elem, true),
+		CASE(KPROBE, loop, true),
+
+		CASE(KPROBE, ktime_get_coarse_ns, false),
+		CASE(SOCKET_FILTER, ktime_get_coarse_ns, true),
+
+		CASE(KPROBE, sys_bpf, false),
+		CASE(SYSCALL, sys_bpf, true),
+	};
+	size_t case_cnt = ARRAY_SIZE(cases), i;
+	char buf[128];
+
+	for (i = 0; i < case_cnt; i++) {
+		const struct case_def *d = &cases[i];
+		int res;
+
+		snprintf(buf, sizeof(buf), "%s+%s", d->prog_type_name, d->helper_name);
+
+		if (!test__start_subtest(buf))
+			continue;
+
+		res = libbpf_probe_bpf_helper(d->prog_type, d->helper_id, NULL);
+		ASSERT_EQ(res, d->supported, buf);
+	}
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/libbpf_str.c b/tools/testing/selftests/bpf/prog_tests/libbpf_str.c
new file mode 100644
index 000000000..93e9cddaa
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/libbpf_str.c
@@ -0,0 +1,207 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2022 Meta Platforms, Inc. and affiliates. */
+
+#include <ctype.h>
+#include <test_progs.h>
+#include <bpf/btf.h>
+
+/*
+ * Utility function uppercasing an entire string.
+ */
+static void uppercase(char *s)
+{
+	for (; *s != '\0'; s++)
+		*s = toupper(*s);
+}
+
+/*
+ * Test case to check that all bpf_attach_type variants are covered by
+ * libbpf_bpf_attach_type_str.
+ */
+static void test_libbpf_bpf_attach_type_str(void)
+{
+	struct btf *btf;
+	const struct btf_type *t;
+	const struct btf_enum *e;
+	int i, n, id;
+
+	btf = btf__parse("/sys/kernel/btf/vmlinux", NULL);
+	if (!ASSERT_OK_PTR(btf, "btf_parse"))
+		return;
+
+	/* find enum bpf_attach_type and enumerate each value */
+	id = btf__find_by_name_kind(btf, "bpf_attach_type", BTF_KIND_ENUM);
+	if (!ASSERT_GT(id, 0, "bpf_attach_type_id"))
+		goto cleanup;
+	t = btf__type_by_id(btf, id);
+	e = btf_enum(t);
+	n = btf_vlen(t);
+	for (i = 0; i < n; e++, i++) {
+		enum bpf_attach_type attach_type = (enum bpf_attach_type)e->val;
+		const char *attach_type_name;
+		const char *attach_type_str;
+		char buf[256];
+
+		if (attach_type == __MAX_BPF_ATTACH_TYPE)
+			continue;
+
+		attach_type_name = btf__str_by_offset(btf, e->name_off);
+		attach_type_str = libbpf_bpf_attach_type_str(attach_type);
+		ASSERT_OK_PTR(attach_type_str, attach_type_name);
+
+		snprintf(buf, sizeof(buf), "BPF_%s", attach_type_str);
+		uppercase(buf);
+
+		ASSERT_STREQ(buf, attach_type_name, "exp_str_value");
+	}
+
+cleanup:
+	btf__free(btf);
+}
+
+/*
+ * Test case to check that all bpf_link_type variants are covered by
+ * libbpf_bpf_link_type_str.
+ */
+static void test_libbpf_bpf_link_type_str(void)
+{
+	struct btf *btf;
+	const struct btf_type *t;
+	const struct btf_enum *e;
+	int i, n, id;
+
+	btf = btf__parse("/sys/kernel/btf/vmlinux", NULL);
+	if (!ASSERT_OK_PTR(btf, "btf_parse"))
+		return;
+
+	/* find enum bpf_link_type and enumerate each value */
+	id = btf__find_by_name_kind(btf, "bpf_link_type", BTF_KIND_ENUM);
+	if (!ASSERT_GT(id, 0, "bpf_link_type_id"))
+		goto cleanup;
+	t = btf__type_by_id(btf, id);
+	e = btf_enum(t);
+	n = btf_vlen(t);
+	for (i = 0; i < n; e++, i++) {
+		enum bpf_link_type link_type = (enum bpf_link_type)e->val;
+		const char *link_type_name;
+		const char *link_type_str;
+		char buf[256];
+
+		if (link_type == MAX_BPF_LINK_TYPE)
+			continue;
+
+		link_type_name = btf__str_by_offset(btf, e->name_off);
+		link_type_str = libbpf_bpf_link_type_str(link_type);
+		ASSERT_OK_PTR(link_type_str, link_type_name);
+
+		snprintf(buf, sizeof(buf), "BPF_LINK_TYPE_%s", link_type_str);
+		uppercase(buf);
+
+		ASSERT_STREQ(buf, link_type_name, "exp_str_value");
+	}
+
+cleanup:
+	btf__free(btf);
+}
+
+/*
+ * Test case to check that all bpf_map_type variants are covered by
+ * libbpf_bpf_map_type_str.
+ */
+static void test_libbpf_bpf_map_type_str(void)
+{
+	struct btf *btf;
+	const struct btf_type *t;
+	const struct btf_enum *e;
+	int i, n, id;
+
+	btf = btf__parse("/sys/kernel/btf/vmlinux", NULL);
+	if (!ASSERT_OK_PTR(btf, "btf_parse"))
+		return;
+
+	/* find enum bpf_map_type and enumerate each value */
+	id = btf__find_by_name_kind(btf, "bpf_map_type", BTF_KIND_ENUM);
+	if (!ASSERT_GT(id, 0, "bpf_map_type_id"))
+		goto cleanup;
+	t = btf__type_by_id(btf, id);
+	e = btf_enum(t);
+	n = btf_vlen(t);
+	for (i = 0; i < n; e++, i++) {
+		enum bpf_map_type map_type = (enum bpf_map_type)e->val;
+		const char *map_type_name;
+		const char *map_type_str;
+		char buf[256];
+
+		map_type_name = btf__str_by_offset(btf, e->name_off);
+		map_type_str = libbpf_bpf_map_type_str(map_type);
+		ASSERT_OK_PTR(map_type_str, map_type_name);
+
+		snprintf(buf, sizeof(buf), "BPF_MAP_TYPE_%s", map_type_str);
+		uppercase(buf);
+
+		ASSERT_STREQ(buf, map_type_name, "exp_str_value");
+	}
+
+cleanup:
+	btf__free(btf);
+}
+
+/*
+ * Test case to check that all bpf_prog_type variants are covered by
+ * libbpf_bpf_prog_type_str.
+ */
+static void test_libbpf_bpf_prog_type_str(void)
+{
+	struct btf *btf;
+	const struct btf_type *t;
+	const struct btf_enum *e;
+	int i, n, id;
+
+	btf = btf__parse("/sys/kernel/btf/vmlinux", NULL);
+	if (!ASSERT_OK_PTR(btf, "btf_parse"))
+		return;
+
+	/* find enum bpf_prog_type and enumerate each value */
+	id = btf__find_by_name_kind(btf, "bpf_prog_type", BTF_KIND_ENUM);
+	if (!ASSERT_GT(id, 0, "bpf_prog_type_id"))
+		goto cleanup;
+	t = btf__type_by_id(btf, id);
+	e = btf_enum(t);
+	n = btf_vlen(t);
+	for (i = 0; i < n; e++, i++) {
+		enum bpf_prog_type prog_type = (enum bpf_prog_type)e->val;
+		const char *prog_type_name;
+		const char *prog_type_str;
+		char buf[256];
+
+		prog_type_name = btf__str_by_offset(btf, e->name_off);
+		prog_type_str = libbpf_bpf_prog_type_str(prog_type);
+		ASSERT_OK_PTR(prog_type_str, prog_type_name);
+
+		snprintf(buf, sizeof(buf), "BPF_PROG_TYPE_%s", prog_type_str);
+		uppercase(buf);
+
+		ASSERT_STREQ(buf, prog_type_name, "exp_str_value");
+	}
+
+cleanup:
+	btf__free(btf);
+}
+
+/*
+ * Run all libbpf str conversion tests.
+ */
+void test_libbpf_str(void)
+{
+	if (test__start_subtest("bpf_attach_type_str"))
+		test_libbpf_bpf_attach_type_str();
+
+	if (test__start_subtest("bpf_link_type_str"))
+		test_libbpf_bpf_link_type_str();
+
+	if (test__start_subtest("bpf_map_type_str"))
+		test_libbpf_bpf_map_type_str();
+
+	if (test__start_subtest("bpf_prog_type_str"))
+		test_libbpf_bpf_prog_type_str();
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/link_pinning.c b/tools/testing/selftests/bpf/prog_tests/link_pinning.c
new file mode 100644
index 000000000..6fc97c45f
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/link_pinning.c
@@ -0,0 +1,104 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2020 Facebook */
+
+#include <test_progs.h>
+#include <sys/stat.h>
+
+#include "test_link_pinning.skel.h"
+
+static int duration = 0;
+
+void test_link_pinning_subtest(struct bpf_program *prog,
+			       struct test_link_pinning__bss *bss)
+{
+	const char *link_pin_path = "/sys/fs/bpf/pinned_link_test";
+	struct stat statbuf = {};
+	struct bpf_link *link;
+	int err, i;
+
+	link = bpf_program__attach(prog);
+	if (!ASSERT_OK_PTR(link, "link_attach"))
+		goto cleanup;
+
+	bss->in = 1;
+	usleep(1);
+	CHECK(bss->out != 1, "res_check1", "exp %d, got %d\n", 1, bss->out);
+
+	/* pin link */
+	err = bpf_link__pin(link, link_pin_path);
+	if (CHECK(err, "link_pin", "err: %d\n", err))
+		goto cleanup;
+
+	CHECK(strcmp(link_pin_path, bpf_link__pin_path(link)), "pin_path1",
+	      "exp %s, got %s\n", link_pin_path, bpf_link__pin_path(link));
+
+	/* check that link was pinned */
+	err = stat(link_pin_path, &statbuf);
+	if (CHECK(err, "stat_link", "err %d errno %d\n", err, errno))
+		goto cleanup;
+
+	bss->in = 2;
+	usleep(1);
+	CHECK(bss->out != 2, "res_check2", "exp %d, got %d\n", 2, bss->out);
+
+	/* destroy link, pinned link should keep program attached */
+	bpf_link__destroy(link);
+	link = NULL;
+
+	bss->in = 3;
+	usleep(1);
+	CHECK(bss->out != 3, "res_check3", "exp %d, got %d\n", 3, bss->out);
+
+	/* re-open link from BPFFS */
+	link = bpf_link__open(link_pin_path);
+	if (!ASSERT_OK_PTR(link, "link_open"))
+		goto cleanup;
+
+	CHECK(strcmp(link_pin_path, bpf_link__pin_path(link)), "pin_path2",
+	      "exp %s, got %s\n", link_pin_path, bpf_link__pin_path(link));
+
+	/* unpin link from BPFFS, program still attached */
+	err = bpf_link__unpin(link);
+	if (CHECK(err, "link_unpin", "err: %d\n", err))
+		goto cleanup;
+
+	/* still active, as we have FD open now */
+	bss->in = 4;
+	usleep(1);
+	CHECK(bss->out != 4, "res_check4", "exp %d, got %d\n", 4, bss->out);
+
+	bpf_link__destroy(link);
+	link = NULL;
+
+	/* Validate it's finally detached.
+	 * Actual detachment might get delayed a bit, so there is no reliable
+	 * way to validate it immediately here, let's count up for long enough
+	 * and see if eventually output stops being updated
+	 */
+	for (i = 5; i < 10000; i++) {
+		bss->in = i;
+		usleep(1);
+		if (bss->out == i - 1)
+			break;
+	}
+	CHECK(i == 10000, "link_attached", "got to iteration #%d\n", i);
+
+cleanup:
+	bpf_link__destroy(link);
+}
+
+void test_link_pinning(void)
+{
+	struct test_link_pinning* skel;
+
+	skel = test_link_pinning__open_and_load();
+	if (CHECK(!skel, "skel_open", "failed to open skeleton\n"))
+		return;
+
+	if (test__start_subtest("pin_raw_tp"))
+		test_link_pinning_subtest(skel->progs.raw_tp_prog, skel->bss);
+	if (test__start_subtest("pin_tp_btf"))
+		test_link_pinning_subtest(skel->progs.tp_btf_prog, skel->bss);
+
+	test_link_pinning__destroy(skel);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/linked_funcs.c b/tools/testing/selftests/bpf/prog_tests/linked_funcs.c
new file mode 100644
index 000000000..cad664546
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/linked_funcs.c
@@ -0,0 +1,48 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2021 Facebook */
+
+#include <test_progs.h>
+#include <sys/syscall.h>
+#include "linked_funcs.skel.h"
+
+void test_linked_funcs(void)
+{
+	int err;
+	struct linked_funcs *skel;
+
+	skel = linked_funcs__open();
+	if (!ASSERT_OK_PTR(skel, "skel_open"))
+		return;
+
+	/* handler1 and handler2 are marked as SEC("?raw_tp/sys_enter") and
+	 * are set to not autoload by default
+	 */
+	bpf_program__set_autoload(skel->progs.handler1, true);
+	bpf_program__set_autoload(skel->progs.handler2, true);
+
+	skel->rodata->my_tid = syscall(SYS_gettid);
+	skel->bss->syscall_id = SYS_getpgid;
+
+	err = linked_funcs__load(skel);
+	if (!ASSERT_OK(err, "skel_load"))
+		goto cleanup;
+
+	err = linked_funcs__attach(skel);
+	if (!ASSERT_OK(err, "skel_attach"))
+		goto cleanup;
+
+	/* trigger */
+	syscall(SYS_getpgid);
+
+	ASSERT_EQ(skel->bss->output_val1, 2000 + 2000, "output_val1");
+	ASSERT_EQ(skel->bss->output_ctx1, SYS_getpgid, "output_ctx1");
+	ASSERT_EQ(skel->bss->output_weak1, 42, "output_weak1");
+
+	ASSERT_EQ(skel->bss->output_val2, 2 * 1000 + 2 * (2 * 1000), "output_val2");
+	ASSERT_EQ(skel->bss->output_ctx2, SYS_getpgid, "output_ctx2");
+	/* output_weak2 should never be updated */
+	ASSERT_EQ(skel->bss->output_weak2, 0, "output_weak2");
+
+cleanup:
+	linked_funcs__destroy(skel);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/linked_maps.c b/tools/testing/selftests/bpf/prog_tests/linked_maps.c
new file mode 100644
index 000000000..85dcaaaf2
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/linked_maps.c
@@ -0,0 +1,30 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2021 Facebook */
+
+#include <test_progs.h>
+#include <sys/syscall.h>
+#include "linked_maps.skel.h"
+
+void test_linked_maps(void)
+{
+	int err;
+	struct linked_maps *skel;
+
+	skel = linked_maps__open_and_load();
+	if (!ASSERT_OK_PTR(skel, "skel_open"))
+		return;
+
+	err = linked_maps__attach(skel);
+	if (!ASSERT_OK(err, "skel_attach"))
+		goto cleanup;
+
+	/* trigger */
+	syscall(SYS_getpgid);
+
+	ASSERT_EQ(skel->bss->output_first1, 2000, "output_first1");
+	ASSERT_EQ(skel->bss->output_second1, 2, "output_second1");
+	ASSERT_EQ(skel->bss->output_weak1, 2, "output_weak1");
+
+cleanup:
+	linked_maps__destroy(skel);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/linked_vars.c b/tools/testing/selftests/bpf/prog_tests/linked_vars.c
new file mode 100644
index 000000000..267166abe
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/linked_vars.c
@@ -0,0 +1,43 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2021 Facebook */
+
+#include <test_progs.h>
+#include <sys/syscall.h>
+#include "linked_vars.skel.h"
+
+void test_linked_vars(void)
+{
+	int err;
+	struct linked_vars *skel;
+
+	skel = linked_vars__open();
+	if (!ASSERT_OK_PTR(skel, "skel_open"))
+		return;
+
+	skel->bss->input_bss1 = 1000;
+	skel->bss->input_bss2 = 2000;
+	skel->bss->input_bss_weak = 3000;
+
+	err = linked_vars__load(skel);
+	if (!ASSERT_OK(err, "skel_load"))
+		goto cleanup;
+
+	err = linked_vars__attach(skel);
+	if (!ASSERT_OK(err, "skel_attach"))
+		goto cleanup;
+
+	/* trigger */
+	syscall(SYS_getpgid);
+
+	ASSERT_EQ(skel->bss->output_bss1, 1000 + 2000 + 3000, "output_bss1");
+	ASSERT_EQ(skel->bss->output_bss2, 1000 + 2000 + 3000, "output_bss2");
+	/* 10 comes from "winner" input_data_weak in first obj file */
+	ASSERT_EQ(skel->bss->output_data1, 1 + 2 + 10, "output_bss1");
+	ASSERT_EQ(skel->bss->output_data2, 1 + 2 + 10, "output_bss2");
+	/* 100 comes from "winner" input_rodata_weak in first obj file */
+	ASSERT_EQ(skel->bss->output_rodata1, 11 + 22 + 100, "output_weak1");
+	ASSERT_EQ(skel->bss->output_rodata2, 11 + 22 + 100, "output_weak2");
+
+cleanup:
+	linked_vars__destroy(skel);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/load_bytes_relative.c b/tools/testing/selftests/bpf/prog_tests/load_bytes_relative.c
new file mode 100644
index 000000000..581c0eb0a
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/load_bytes_relative.c
@@ -0,0 +1,71 @@
+// SPDX-License-Identifier: GPL-2.0-only
+
+/*
+ * Copyright 2020 Google LLC.
+ */
+
+#include <test_progs.h>
+#include <network_helpers.h>
+
+void test_load_bytes_relative(void)
+{
+	int server_fd, cgroup_fd, prog_fd, map_fd, client_fd;
+	int err;
+	struct bpf_object *obj;
+	struct bpf_program *prog;
+	struct bpf_map *test_result;
+	__u32 duration = 0;
+
+	__u32 map_key = 0;
+	__u32 map_value = 0;
+
+	cgroup_fd = test__join_cgroup("/load_bytes_relative");
+	if (CHECK_FAIL(cgroup_fd < 0))
+		return;
+
+	server_fd = start_server(AF_INET, SOCK_STREAM, NULL, 0, 0);
+	if (CHECK_FAIL(server_fd < 0))
+		goto close_cgroup_fd;
+
+	err = bpf_prog_test_load("./load_bytes_relative.bpf.o", BPF_PROG_TYPE_CGROUP_SKB,
+				 &obj, &prog_fd);
+	if (CHECK_FAIL(err))
+		goto close_server_fd;
+
+	test_result = bpf_object__find_map_by_name(obj, "test_result");
+	if (CHECK_FAIL(!test_result))
+		goto close_bpf_object;
+
+	map_fd = bpf_map__fd(test_result);
+	if (map_fd < 0)
+		goto close_bpf_object;
+
+	prog = bpf_object__find_program_by_name(obj, "load_bytes_relative");
+	if (CHECK_FAIL(!prog))
+		goto close_bpf_object;
+
+	err = bpf_prog_attach(prog_fd, cgroup_fd, BPF_CGROUP_INET_EGRESS,
+			      BPF_F_ALLOW_MULTI);
+	if (CHECK_FAIL(err))
+		goto close_bpf_object;
+
+	client_fd = connect_to_fd(server_fd, 0);
+	if (CHECK_FAIL(client_fd < 0))
+		goto close_bpf_object;
+	close(client_fd);
+
+	err = bpf_map_lookup_elem(map_fd, &map_key, &map_value);
+	if (CHECK_FAIL(err))
+		goto close_bpf_object;
+
+	CHECK(map_value != 1, "bpf", "bpf program returned failure");
+
+close_bpf_object:
+	bpf_object__close(obj);
+
+close_server_fd:
+	close(server_fd);
+
+close_cgroup_fd:
+	close(cgroup_fd);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/log_buf.c b/tools/testing/selftests/bpf/prog_tests/log_buf.c
new file mode 100644
index 000000000..fe9a23e65
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/log_buf.c
@@ -0,0 +1,276 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2021 Facebook */
+
+#include <test_progs.h>
+#include <bpf/btf.h>
+
+#include "test_log_buf.skel.h"
+
+static size_t libbpf_log_pos;
+static char libbpf_log_buf[1024 * 1024];
+static bool libbpf_log_error;
+
+static int libbpf_print_cb(enum libbpf_print_level level, const char *fmt, va_list args)
+{
+	int emitted_cnt;
+	size_t left_cnt;
+
+	left_cnt = sizeof(libbpf_log_buf) - libbpf_log_pos;
+	emitted_cnt = vsnprintf(libbpf_log_buf + libbpf_log_pos, left_cnt, fmt, args);
+
+	if (emitted_cnt < 0 || emitted_cnt + 1 > left_cnt) {
+		libbpf_log_error = true;
+		return 0;
+	}
+
+	libbpf_log_pos += emitted_cnt;
+	return 0;
+}
+
+static void obj_load_log_buf(void)
+{
+	libbpf_print_fn_t old_print_cb = libbpf_set_print(libbpf_print_cb);
+	LIBBPF_OPTS(bpf_object_open_opts, opts);
+	const size_t log_buf_sz = 1024 * 1024;
+	struct test_log_buf* skel;
+	char *obj_log_buf, *good_log_buf, *bad_log_buf;
+	int err;
+
+	obj_log_buf = malloc(3 * log_buf_sz);
+	if (!ASSERT_OK_PTR(obj_log_buf, "obj_log_buf"))
+		return;
+
+	good_log_buf = obj_log_buf + log_buf_sz;
+	bad_log_buf = obj_log_buf + 2 * log_buf_sz;
+	obj_log_buf[0] = good_log_buf[0] = bad_log_buf[0] = '\0';
+
+	opts.kernel_log_buf = obj_log_buf;
+	opts.kernel_log_size = log_buf_sz;
+	opts.kernel_log_level = 4; /* for BTF this will turn into 1 */
+
+	/* In the first round every prog has its own log_buf, so libbpf logs
+	 * don't have program failure logs
+	 */
+	skel = test_log_buf__open_opts(&opts);
+	if (!ASSERT_OK_PTR(skel, "skel_open"))
+		goto cleanup;
+
+	/* set very verbose level for good_prog so we always get detailed logs */
+	bpf_program__set_log_buf(skel->progs.good_prog, good_log_buf, log_buf_sz);
+	bpf_program__set_log_level(skel->progs.good_prog, 2);
+
+	bpf_program__set_log_buf(skel->progs.bad_prog, bad_log_buf, log_buf_sz);
+	/* log_level 0 with custom log_buf means that verbose logs are not
+	 * requested if program load is successful, but libbpf should retry
+	 * with log_level 1 on error and put program's verbose load log into
+	 * custom log_buf
+	 */
+	bpf_program__set_log_level(skel->progs.bad_prog, 0);
+
+	err = test_log_buf__load(skel);
+	if (!ASSERT_ERR(err, "unexpected_load_success"))
+		goto cleanup;
+
+	ASSERT_FALSE(libbpf_log_error, "libbpf_log_error");
+
+	/* there should be no prog loading log because we specified per-prog log buf */
+	ASSERT_NULL(strstr(libbpf_log_buf, "-- BEGIN PROG LOAD LOG --"), "unexp_libbpf_log");
+	ASSERT_OK_PTR(strstr(libbpf_log_buf, "prog 'bad_prog': BPF program load failed"),
+		      "libbpf_log_not_empty");
+	ASSERT_OK_PTR(strstr(obj_log_buf, "DATASEC license"), "obj_log_not_empty");
+	ASSERT_OK_PTR(strstr(good_log_buf, "0: R1=ctx(off=0,imm=0) R10=fp0"),
+		      "good_log_verbose");
+	ASSERT_OK_PTR(strstr(bad_log_buf, "invalid access to map value, value_size=16 off=16000 size=4"),
+		      "bad_log_not_empty");
+
+	if (env.verbosity > VERBOSE_NONE) {
+		printf("LIBBPF LOG:   \n=================\n%s=================\n", libbpf_log_buf);
+		printf("OBJ LOG:      \n=================\n%s=================\n", obj_log_buf);
+		printf("GOOD_PROG LOG:\n=================\n%s=================\n", good_log_buf);
+		printf("BAD_PROG  LOG:\n=================\n%s=================\n", bad_log_buf);
+	}
+
+	/* reset everything */
+	test_log_buf__destroy(skel);
+	obj_log_buf[0] = good_log_buf[0] = bad_log_buf[0] = '\0';
+	libbpf_log_buf[0] = '\0';
+	libbpf_log_pos = 0;
+	libbpf_log_error = false;
+
+	/* In the second round we let bad_prog's failure be logged through print callback */
+	opts.kernel_log_buf = NULL; /* let everything through into print callback */
+	opts.kernel_log_size = 0;
+	opts.kernel_log_level = 1;
+
+	skel = test_log_buf__open_opts(&opts);
+	if (!ASSERT_OK_PTR(skel, "skel_open"))
+		goto cleanup;
+
+	/* set normal verbose level for good_prog to check log_level is taken into account */
+	bpf_program__set_log_buf(skel->progs.good_prog, good_log_buf, log_buf_sz);
+	bpf_program__set_log_level(skel->progs.good_prog, 1);
+
+	err = test_log_buf__load(skel);
+	if (!ASSERT_ERR(err, "unexpected_load_success"))
+		goto cleanup;
+
+	ASSERT_FALSE(libbpf_log_error, "libbpf_log_error");
+
+	/* this time prog loading error should be logged through print callback */
+	ASSERT_OK_PTR(strstr(libbpf_log_buf, "libbpf: prog 'bad_prog': -- BEGIN PROG LOAD LOG --"),
+		      "libbpf_log_correct");
+	ASSERT_STREQ(obj_log_buf, "", "obj_log__empty");
+	ASSERT_STREQ(good_log_buf, "processed 4 insns (limit 1000000) max_states_per_insn 0 total_states 0 peak_states 0 mark_read 0\n",
+		     "good_log_ok");
+	ASSERT_STREQ(bad_log_buf, "", "bad_log_empty");
+
+	if (env.verbosity > VERBOSE_NONE) {
+		printf("LIBBPF LOG:   \n=================\n%s=================\n", libbpf_log_buf);
+		printf("OBJ LOG:      \n=================\n%s=================\n", obj_log_buf);
+		printf("GOOD_PROG LOG:\n=================\n%s=================\n", good_log_buf);
+		printf("BAD_PROG  LOG:\n=================\n%s=================\n", bad_log_buf);
+	}
+
+cleanup:
+	free(obj_log_buf);
+	test_log_buf__destroy(skel);
+	libbpf_set_print(old_print_cb);
+}
+
+static void bpf_prog_load_log_buf(void)
+{
+	const struct bpf_insn good_prog_insns[] = {
+		BPF_MOV64_IMM(BPF_REG_0, 0),
+		BPF_EXIT_INSN(),
+	};
+	const size_t good_prog_insn_cnt = sizeof(good_prog_insns) / sizeof(struct bpf_insn);
+	const struct bpf_insn bad_prog_insns[] = {
+		BPF_EXIT_INSN(),
+	};
+	size_t bad_prog_insn_cnt = sizeof(bad_prog_insns) / sizeof(struct bpf_insn);
+	LIBBPF_OPTS(bpf_prog_load_opts, opts);
+	const size_t log_buf_sz = 1024 * 1024;
+	char *log_buf;
+	int fd = -1;
+
+	log_buf = malloc(log_buf_sz);
+	if (!ASSERT_OK_PTR(log_buf, "log_buf_alloc"))
+		return;
+	opts.log_buf = log_buf;
+	opts.log_size = log_buf_sz;
+
+	/* with log_level == 0 log_buf shoud stay empty for good prog */
+	log_buf[0] = '\0';
+	opts.log_level = 0;
+	fd = bpf_prog_load(BPF_PROG_TYPE_SOCKET_FILTER, "good_prog", "GPL",
+			   good_prog_insns, good_prog_insn_cnt, &opts);
+	ASSERT_STREQ(log_buf, "", "good_log_0");
+	ASSERT_GE(fd, 0, "good_fd1");
+	if (fd >= 0)
+		close(fd);
+	fd = -1;
+
+	/* log_level == 2 should always fill log_buf, even for good prog */
+	log_buf[0] = '\0';
+	opts.log_level = 2;
+	fd = bpf_prog_load(BPF_PROG_TYPE_SOCKET_FILTER, "good_prog", "GPL",
+			   good_prog_insns, good_prog_insn_cnt, &opts);
+	ASSERT_OK_PTR(strstr(log_buf, "0: R1=ctx(off=0,imm=0) R10=fp0"), "good_log_2");
+	ASSERT_GE(fd, 0, "good_fd2");
+	if (fd >= 0)
+		close(fd);
+	fd = -1;
+
+	/* log_level == 0 should fill log_buf for bad prog */
+	log_buf[0] = '\0';
+	opts.log_level = 0;
+	fd = bpf_prog_load(BPF_PROG_TYPE_SOCKET_FILTER, "bad_prog", "GPL",
+			   bad_prog_insns, bad_prog_insn_cnt, &opts);
+	ASSERT_OK_PTR(strstr(log_buf, "R0 !read_ok"), "bad_log_0");
+	ASSERT_LT(fd, 0, "bad_fd");
+	if (fd >= 0)
+		close(fd);
+	fd = -1;
+
+	free(log_buf);
+}
+
+static void bpf_btf_load_log_buf(void)
+{
+	LIBBPF_OPTS(bpf_btf_load_opts, opts);
+	const size_t log_buf_sz = 1024 * 1024;
+	const void *raw_btf_data;
+	__u32 raw_btf_size;
+	struct btf *btf;
+	char *log_buf = NULL;
+	int fd = -1;
+
+	btf = btf__new_empty();
+	if (!ASSERT_OK_PTR(btf, "empty_btf"))
+		return;
+
+	ASSERT_GT(btf__add_int(btf, "int", 4, 0), 0, "int_type");
+
+	raw_btf_data = btf__raw_data(btf, &raw_btf_size);
+	if (!ASSERT_OK_PTR(raw_btf_data, "raw_btf_data_good"))
+		goto cleanup;
+
+	log_buf = malloc(log_buf_sz);
+	if (!ASSERT_OK_PTR(log_buf, "log_buf_alloc"))
+		goto cleanup;
+	opts.log_buf = log_buf;
+	opts.log_size = log_buf_sz;
+
+	/* with log_level == 0 log_buf shoud stay empty for good BTF */
+	log_buf[0] = '\0';
+	opts.log_level = 0;
+	fd = bpf_btf_load(raw_btf_data, raw_btf_size, &opts);
+	ASSERT_STREQ(log_buf, "", "good_log_0");
+	ASSERT_GE(fd, 0, "good_fd1");
+	if (fd >= 0)
+		close(fd);
+	fd = -1;
+
+	/* log_level == 2 should always fill log_buf, even for good BTF */
+	log_buf[0] = '\0';
+	opts.log_level = 2;
+	fd = bpf_btf_load(raw_btf_data, raw_btf_size, &opts);
+	printf("LOG_BUF: %s\n", log_buf);
+	ASSERT_OK_PTR(strstr(log_buf, "magic: 0xeb9f"), "good_log_2");
+	ASSERT_GE(fd, 0, "good_fd2");
+	if (fd >= 0)
+		close(fd);
+	fd = -1;
+
+	/* make BTF bad, add pointer pointing to non-existing type */
+	ASSERT_GT(btf__add_ptr(btf, 100), 0, "bad_ptr_type");
+
+	raw_btf_data = btf__raw_data(btf, &raw_btf_size);
+	if (!ASSERT_OK_PTR(raw_btf_data, "raw_btf_data_bad"))
+		goto cleanup;
+
+	/* log_level == 0 should fill log_buf for bad BTF */
+	log_buf[0] = '\0';
+	opts.log_level = 0;
+	fd = bpf_btf_load(raw_btf_data, raw_btf_size, &opts);
+	printf("LOG_BUF: %s\n", log_buf);
+	ASSERT_OK_PTR(strstr(log_buf, "[2] PTR (anon) type_id=100 Invalid type_id"), "bad_log_0");
+	ASSERT_LT(fd, 0, "bad_fd");
+	if (fd >= 0)
+		close(fd);
+	fd = -1;
+
+cleanup:
+	free(log_buf);
+	btf__free(btf);
+}
+
+void test_log_buf(void)
+{
+	if (test__start_subtest("obj_load_log_buf"))
+		obj_load_log_buf();
+	if (test__start_subtest("bpf_prog_load_log_buf"))
+		bpf_prog_load_log_buf();
+	if (test__start_subtest("bpf_btf_load_log_buf"))
+		bpf_btf_load_log_buf();
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/log_fixup.c b/tools/testing/selftests/bpf/prog_tests/log_fixup.c
new file mode 100644
index 000000000..f4ffdcabf
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/log_fixup.c
@@ -0,0 +1,149 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2022 Meta Platforms, Inc. and affiliates. */
+#include <test_progs.h>
+#include <bpf/btf.h>
+
+#include "test_log_fixup.skel.h"
+
+enum trunc_type {
+	TRUNC_NONE,
+	TRUNC_PARTIAL,
+	TRUNC_FULL,
+};
+
+static void bad_core_relo(size_t log_buf_size, enum trunc_type trunc_type)
+{
+	char log_buf[8 * 1024];
+	struct test_log_fixup* skel;
+	int err;
+
+	skel = test_log_fixup__open();
+	if (!ASSERT_OK_PTR(skel, "skel_open"))
+		return;
+
+	bpf_program__set_autoload(skel->progs.bad_relo, true);
+	memset(log_buf, 0, sizeof(log_buf));
+	bpf_program__set_log_buf(skel->progs.bad_relo, log_buf, log_buf_size ?: sizeof(log_buf));
+
+	err = test_log_fixup__load(skel);
+	if (!ASSERT_ERR(err, "load_fail"))
+		goto cleanup;
+
+	ASSERT_HAS_SUBSTR(log_buf,
+			  "0: <invalid CO-RE relocation>\n"
+			  "failed to resolve CO-RE relocation <byte_sz> ",
+			  "log_buf_part1");
+
+	switch (trunc_type) {
+	case TRUNC_NONE:
+		ASSERT_HAS_SUBSTR(log_buf,
+				  "struct task_struct___bad.fake_field (0:1 @ offset 4)\n",
+				  "log_buf_part2");
+		ASSERT_HAS_SUBSTR(log_buf,
+				  "max_states_per_insn 0 total_states 0 peak_states 0 mark_read 0\n",
+				  "log_buf_end");
+		break;
+	case TRUNC_PARTIAL:
+		/* we should get full libbpf message patch */
+		ASSERT_HAS_SUBSTR(log_buf,
+				  "struct task_struct___bad.fake_field (0:1 @ offset 4)\n",
+				  "log_buf_part2");
+		/* we shouldn't get full end of BPF verifier log */
+		ASSERT_NULL(strstr(log_buf, "max_states_per_insn 0 total_states 0 peak_states 0 mark_read 0\n"),
+			    "log_buf_end");
+		break;
+	case TRUNC_FULL:
+		/* we shouldn't get second part of libbpf message patch */
+		ASSERT_NULL(strstr(log_buf, "struct task_struct___bad.fake_field (0:1 @ offset 4)\n"),
+			    "log_buf_part2");
+		/* we shouldn't get full end of BPF verifier log */
+		ASSERT_NULL(strstr(log_buf, "max_states_per_insn 0 total_states 0 peak_states 0 mark_read 0\n"),
+			    "log_buf_end");
+		break;
+	}
+
+	if (env.verbosity > VERBOSE_NONE)
+		printf("LOG:   \n=================\n%s=================\n", log_buf);
+cleanup:
+	test_log_fixup__destroy(skel);
+}
+
+static void bad_core_relo_subprog(void)
+{
+	char log_buf[8 * 1024];
+	struct test_log_fixup* skel;
+	int err;
+
+	skel = test_log_fixup__open();
+	if (!ASSERT_OK_PTR(skel, "skel_open"))
+		return;
+
+	bpf_program__set_autoload(skel->progs.bad_relo_subprog, true);
+	bpf_program__set_log_buf(skel->progs.bad_relo_subprog, log_buf, sizeof(log_buf));
+
+	err = test_log_fixup__load(skel);
+	if (!ASSERT_ERR(err, "load_fail"))
+		goto cleanup;
+
+	ASSERT_HAS_SUBSTR(log_buf,
+			  ": <invalid CO-RE relocation>\n"
+			  "failed to resolve CO-RE relocation <byte_off> ",
+			  "log_buf");
+	ASSERT_HAS_SUBSTR(log_buf,
+			  "struct task_struct___bad.fake_field_subprog (0:2 @ offset 8)\n",
+			  "log_buf");
+
+	if (env.verbosity > VERBOSE_NONE)
+		printf("LOG:   \n=================\n%s=================\n", log_buf);
+
+cleanup:
+	test_log_fixup__destroy(skel);
+}
+
+static void missing_map(void)
+{
+	char log_buf[8 * 1024];
+	struct test_log_fixup* skel;
+	int err;
+
+	skel = test_log_fixup__open();
+	if (!ASSERT_OK_PTR(skel, "skel_open"))
+		return;
+
+	bpf_map__set_autocreate(skel->maps.missing_map, false);
+
+	bpf_program__set_autoload(skel->progs.use_missing_map, true);
+	bpf_program__set_log_buf(skel->progs.use_missing_map, log_buf, sizeof(log_buf));
+
+	err = test_log_fixup__load(skel);
+	if (!ASSERT_ERR(err, "load_fail"))
+		goto cleanup;
+
+	ASSERT_TRUE(bpf_map__autocreate(skel->maps.existing_map), "existing_map_autocreate");
+	ASSERT_FALSE(bpf_map__autocreate(skel->maps.missing_map), "missing_map_autocreate");
+
+	ASSERT_HAS_SUBSTR(log_buf,
+			  "8: <invalid BPF map reference>\n"
+			  "BPF map 'missing_map' is referenced but wasn't created\n",
+			  "log_buf");
+
+	if (env.verbosity > VERBOSE_NONE)
+		printf("LOG:   \n=================\n%s=================\n", log_buf);
+
+cleanup:
+	test_log_fixup__destroy(skel);
+}
+
+void test_log_fixup(void)
+{
+	if (test__start_subtest("bad_core_relo_trunc_none"))
+		bad_core_relo(0, TRUNC_NONE /* full buf */);
+	if (test__start_subtest("bad_core_relo_trunc_partial"))
+		bad_core_relo(300, TRUNC_PARTIAL /* truncate original log a bit */);
+	if (test__start_subtest("bad_core_relo_trunc_full"))
+		bad_core_relo(250, TRUNC_FULL  /* truncate also libbpf's message patch */);
+	if (test__start_subtest("bad_core_relo_subprog"))
+		bad_core_relo_subprog();
+	if (test__start_subtest("missing_map"))
+		missing_map();
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/lookup_and_delete.c b/tools/testing/selftests/bpf/prog_tests/lookup_and_delete.c
new file mode 100644
index 000000000..a767bb4a2
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/lookup_and_delete.c
@@ -0,0 +1,291 @@
+// SPDX-License-Identifier: GPL-2.0-only
+
+#include <test_progs.h>
+#include "test_lookup_and_delete.skel.h"
+
+#define START_VALUE 1234
+#define NEW_VALUE 4321
+#define MAX_ENTRIES 2
+
+static int duration;
+static int nr_cpus;
+
+static int fill_values(int map_fd)
+{
+	__u64 key, value = START_VALUE;
+	int err;
+
+	for (key = 1; key < MAX_ENTRIES + 1; key++) {
+		err = bpf_map_update_elem(map_fd, &key, &value, BPF_NOEXIST);
+		if (!ASSERT_OK(err, "bpf_map_update_elem"))
+			return -1;
+	}
+
+	return 0;
+}
+
+static int fill_values_percpu(int map_fd)
+{
+	__u64 key, value[nr_cpus];
+	int i, err;
+
+	for (i = 0; i < nr_cpus; i++)
+		value[i] = START_VALUE;
+
+	for (key = 1; key < MAX_ENTRIES + 1; key++) {
+		err = bpf_map_update_elem(map_fd, &key, value, BPF_NOEXIST);
+		if (!ASSERT_OK(err, "bpf_map_update_elem"))
+			return -1;
+	}
+
+	return 0;
+}
+
+static struct test_lookup_and_delete *setup_prog(enum bpf_map_type map_type,
+						 int *map_fd)
+{
+	struct test_lookup_and_delete *skel;
+	int err;
+
+	skel = test_lookup_and_delete__open();
+	if (!ASSERT_OK_PTR(skel, "test_lookup_and_delete__open"))
+		return NULL;
+
+	err = bpf_map__set_type(skel->maps.hash_map, map_type);
+	if (!ASSERT_OK(err, "bpf_map__set_type"))
+		goto cleanup;
+
+	err = bpf_map__set_max_entries(skel->maps.hash_map, MAX_ENTRIES);
+	if (!ASSERT_OK(err, "bpf_map__set_max_entries"))
+		goto cleanup;
+
+	err = test_lookup_and_delete__load(skel);
+	if (!ASSERT_OK(err, "test_lookup_and_delete__load"))
+		goto cleanup;
+
+	*map_fd = bpf_map__fd(skel->maps.hash_map);
+	if (!ASSERT_GE(*map_fd, 0, "bpf_map__fd"))
+		goto cleanup;
+
+	return skel;
+
+cleanup:
+	test_lookup_and_delete__destroy(skel);
+	return NULL;
+}
+
+/* Triggers BPF program that updates map with given key and value */
+static int trigger_tp(struct test_lookup_and_delete *skel, __u64 key,
+		      __u64 value)
+{
+	int err;
+
+	skel->bss->set_pid = getpid();
+	skel->bss->set_key = key;
+	skel->bss->set_value = value;
+
+	err = test_lookup_and_delete__attach(skel);
+	if (!ASSERT_OK(err, "test_lookup_and_delete__attach"))
+		return -1;
+
+	syscall(__NR_getpgid);
+
+	test_lookup_and_delete__detach(skel);
+
+	return 0;
+}
+
+static void test_lookup_and_delete_hash(void)
+{
+	struct test_lookup_and_delete *skel;
+	__u64 key, value;
+	int map_fd, err;
+
+	/* Setup program and fill the map. */
+	skel = setup_prog(BPF_MAP_TYPE_HASH, &map_fd);
+	if (!ASSERT_OK_PTR(skel, "setup_prog"))
+		return;
+
+	err = fill_values(map_fd);
+	if (!ASSERT_OK(err, "fill_values"))
+		goto cleanup;
+
+	/* Lookup and delete element. */
+	key = 1;
+	err = bpf_map__lookup_and_delete_elem(skel->maps.hash_map,
+					      &key, sizeof(key), &value, sizeof(value), 0);
+	if (!ASSERT_OK(err, "bpf_map_lookup_and_delete_elem"))
+		goto cleanup;
+
+	/* Fetched value should match the initially set value. */
+	if (CHECK(value != START_VALUE, "bpf_map_lookup_and_delete_elem",
+		  "unexpected value=%lld\n", value))
+		goto cleanup;
+
+	/* Check that the entry is non existent. */
+	err = bpf_map_lookup_elem(map_fd, &key, &value);
+	if (!ASSERT_ERR(err, "bpf_map_lookup_elem"))
+		goto cleanup;
+
+cleanup:
+	test_lookup_and_delete__destroy(skel);
+}
+
+static void test_lookup_and_delete_percpu_hash(void)
+{
+	struct test_lookup_and_delete *skel;
+	__u64 key, val, value[nr_cpus];
+	int map_fd, err, i;
+
+	/* Setup program and fill the map. */
+	skel = setup_prog(BPF_MAP_TYPE_PERCPU_HASH, &map_fd);
+	if (!ASSERT_OK_PTR(skel, "setup_prog"))
+		return;
+
+	err = fill_values_percpu(map_fd);
+	if (!ASSERT_OK(err, "fill_values_percpu"))
+		goto cleanup;
+
+	/* Lookup and delete element. */
+	key = 1;
+	err = bpf_map__lookup_and_delete_elem(skel->maps.hash_map,
+					      &key, sizeof(key), value, sizeof(value), 0);
+	if (!ASSERT_OK(err, "bpf_map_lookup_and_delete_elem"))
+		goto cleanup;
+
+	for (i = 0; i < nr_cpus; i++) {
+		val = value[i];
+
+		/* Fetched value should match the initially set value. */
+		if (CHECK(val != START_VALUE, "map value",
+			  "unexpected for cpu %d: %lld\n", i, val))
+			goto cleanup;
+	}
+
+	/* Check that the entry is non existent. */
+	err = bpf_map_lookup_elem(map_fd, &key, value);
+	if (!ASSERT_ERR(err, "bpf_map_lookup_elem"))
+		goto cleanup;
+
+cleanup:
+	test_lookup_and_delete__destroy(skel);
+}
+
+static void test_lookup_and_delete_lru_hash(void)
+{
+	struct test_lookup_and_delete *skel;
+	__u64 key, value;
+	int map_fd, err;
+
+	/* Setup program and fill the LRU map. */
+	skel = setup_prog(BPF_MAP_TYPE_LRU_HASH, &map_fd);
+	if (!ASSERT_OK_PTR(skel, "setup_prog"))
+		return;
+
+	err = fill_values(map_fd);
+	if (!ASSERT_OK(err, "fill_values"))
+		goto cleanup;
+
+	/* Insert new element at key=3, should reuse LRU element. */
+	key = 3;
+	err = trigger_tp(skel, key, NEW_VALUE);
+	if (!ASSERT_OK(err, "trigger_tp"))
+		goto cleanup;
+
+	/* Lookup and delete element 3. */
+	err = bpf_map__lookup_and_delete_elem(skel->maps.hash_map,
+					      &key, sizeof(key), &value, sizeof(value), 0);
+	if (!ASSERT_OK(err, "bpf_map_lookup_and_delete_elem"))
+		goto cleanup;
+
+	/* Value should match the new value. */
+	if (CHECK(value != NEW_VALUE, "bpf_map_lookup_and_delete_elem",
+		  "unexpected value=%lld\n", value))
+		goto cleanup;
+
+	/* Check that entries 3 and 1 are non existent. */
+	err = bpf_map_lookup_elem(map_fd, &key, &value);
+	if (!ASSERT_ERR(err, "bpf_map_lookup_elem"))
+		goto cleanup;
+
+	key = 1;
+	err = bpf_map_lookup_elem(map_fd, &key, &value);
+	if (!ASSERT_ERR(err, "bpf_map_lookup_elem"))
+		goto cleanup;
+
+cleanup:
+	test_lookup_and_delete__destroy(skel);
+}
+
+static void test_lookup_and_delete_lru_percpu_hash(void)
+{
+	struct test_lookup_and_delete *skel;
+	__u64 key, val, value[nr_cpus];
+	int map_fd, err, i, cpucnt = 0;
+
+	/* Setup program and fill the LRU map. */
+	skel = setup_prog(BPF_MAP_TYPE_LRU_PERCPU_HASH, &map_fd);
+	if (!ASSERT_OK_PTR(skel, "setup_prog"))
+		return;
+
+	err = fill_values_percpu(map_fd);
+	if (!ASSERT_OK(err, "fill_values_percpu"))
+		goto cleanup;
+
+	/* Insert new element at key=3, should reuse LRU element 1. */
+	key = 3;
+	err = trigger_tp(skel, key, NEW_VALUE);
+	if (!ASSERT_OK(err, "trigger_tp"))
+		goto cleanup;
+
+	/* Clean value. */
+	for (i = 0; i < nr_cpus; i++)
+		value[i] = 0;
+
+	/* Lookup and delete element 3. */
+	err = bpf_map__lookup_and_delete_elem(skel->maps.hash_map,
+					      &key, sizeof(key), value, sizeof(value), 0);
+	if (!ASSERT_OK(err, "bpf_map_lookup_and_delete_elem"))
+		goto cleanup;
+
+	/* Check if only one CPU has set the value. */
+	for (i = 0; i < nr_cpus; i++) {
+		val = value[i];
+		if (val) {
+			if (CHECK(val != NEW_VALUE, "map value",
+				  "unexpected for cpu %d: %lld\n", i, val))
+				goto cleanup;
+			cpucnt++;
+		}
+	}
+	if (CHECK(cpucnt != 1, "map value", "set for %d CPUs instead of 1!\n",
+		  cpucnt))
+		goto cleanup;
+
+	/* Check that entries 3 and 1 are non existent. */
+	err = bpf_map_lookup_elem(map_fd, &key, &value);
+	if (!ASSERT_ERR(err, "bpf_map_lookup_elem"))
+		goto cleanup;
+
+	key = 1;
+	err = bpf_map_lookup_elem(map_fd, &key, &value);
+	if (!ASSERT_ERR(err, "bpf_map_lookup_elem"))
+		goto cleanup;
+
+cleanup:
+	test_lookup_and_delete__destroy(skel);
+}
+
+void test_lookup_and_delete(void)
+{
+	nr_cpus = bpf_num_possible_cpus();
+
+	if (test__start_subtest("lookup_and_delete"))
+		test_lookup_and_delete_hash();
+	if (test__start_subtest("lookup_and_delete_percpu"))
+		test_lookup_and_delete_percpu_hash();
+	if (test__start_subtest("lookup_and_delete_lru"))
+		test_lookup_and_delete_lru_hash();
+	if (test__start_subtest("lookup_and_delete_lru_percpu"))
+		test_lookup_and_delete_lru_percpu_hash();
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/lookup_key.c b/tools/testing/selftests/bpf/prog_tests/lookup_key.c
new file mode 100644
index 000000000..68025e88f
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/lookup_key.c
@@ -0,0 +1,112 @@
+// SPDX-License-Identifier: GPL-2.0
+
+/*
+ * Copyright (C) 2022 Huawei Technologies Duesseldorf GmbH
+ *
+ * Author: Roberto Sassu <roberto.sassu@huawei.com>
+ */
+
+#include <linux/keyctl.h>
+#include <test_progs.h>
+
+#include "test_lookup_key.skel.h"
+
+#define KEY_LOOKUP_CREATE	0x01
+#define KEY_LOOKUP_PARTIAL	0x02
+
+static bool kfunc_not_supported;
+
+static int libbpf_print_cb(enum libbpf_print_level level, const char *fmt,
+			   va_list args)
+{
+	char *func;
+
+	if (strcmp(fmt, "libbpf: extern (func ksym) '%s': not found in kernel or module BTFs\n"))
+		return 0;
+
+	func = va_arg(args, char *);
+
+	if (strcmp(func, "bpf_lookup_user_key") && strcmp(func, "bpf_key_put") &&
+	    strcmp(func, "bpf_lookup_system_key"))
+		return 0;
+
+	kfunc_not_supported = true;
+	return 0;
+}
+
+void test_lookup_key(void)
+{
+	libbpf_print_fn_t old_print_cb;
+	struct test_lookup_key *skel;
+	__u32 next_id;
+	int ret;
+
+	skel = test_lookup_key__open();
+	if (!ASSERT_OK_PTR(skel, "test_lookup_key__open"))
+		return;
+
+	old_print_cb = libbpf_set_print(libbpf_print_cb);
+	ret = test_lookup_key__load(skel);
+	libbpf_set_print(old_print_cb);
+
+	if (ret < 0 && kfunc_not_supported) {
+		printf("%s:SKIP:bpf_lookup_*_key(), bpf_key_put() kfuncs not supported\n",
+		       __func__);
+		test__skip();
+		goto close_prog;
+	}
+
+	if (!ASSERT_OK(ret, "test_lookup_key__load"))
+		goto close_prog;
+
+	ret = test_lookup_key__attach(skel);
+	if (!ASSERT_OK(ret, "test_lookup_key__attach"))
+		goto close_prog;
+
+	skel->bss->monitored_pid = getpid();
+	skel->bss->key_serial = KEY_SPEC_THREAD_KEYRING;
+
+	/* The thread-specific keyring does not exist, this test fails. */
+	skel->bss->flags = 0;
+
+	ret = bpf_prog_get_next_id(0, &next_id);
+	if (!ASSERT_LT(ret, 0, "bpf_prog_get_next_id"))
+		goto close_prog;
+
+	/* Force creation of the thread-specific keyring, this test succeeds. */
+	skel->bss->flags = KEY_LOOKUP_CREATE;
+
+	ret = bpf_prog_get_next_id(0, &next_id);
+	if (!ASSERT_OK(ret, "bpf_prog_get_next_id"))
+		goto close_prog;
+
+	/* Pass both lookup flags for parameter validation. */
+	skel->bss->flags = KEY_LOOKUP_CREATE | KEY_LOOKUP_PARTIAL;
+
+	ret = bpf_prog_get_next_id(0, &next_id);
+	if (!ASSERT_OK(ret, "bpf_prog_get_next_id"))
+		goto close_prog;
+
+	/* Pass invalid flags. */
+	skel->bss->flags = UINT64_MAX;
+
+	ret = bpf_prog_get_next_id(0, &next_id);
+	if (!ASSERT_LT(ret, 0, "bpf_prog_get_next_id"))
+		goto close_prog;
+
+	skel->bss->key_serial = 0;
+	skel->bss->key_id = 1;
+
+	ret = bpf_prog_get_next_id(0, &next_id);
+	if (!ASSERT_OK(ret, "bpf_prog_get_next_id"))
+		goto close_prog;
+
+	skel->bss->key_id = UINT32_MAX;
+
+	ret = bpf_prog_get_next_id(0, &next_id);
+	ASSERT_LT(ret, 0, "bpf_prog_get_next_id");
+
+close_prog:
+	skel->bss->monitored_pid = 0;
+	test_lookup_key__destroy(skel);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/lru_bug.c b/tools/testing/selftests/bpf/prog_tests/lru_bug.c
new file mode 100644
index 000000000..3c7822390
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/lru_bug.c
@@ -0,0 +1,21 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <test_progs.h>
+
+#include "lru_bug.skel.h"
+
+void test_lru_bug(void)
+{
+	struct lru_bug *skel;
+	int ret;
+
+	skel = lru_bug__open_and_load();
+	if (!ASSERT_OK_PTR(skel, "lru_bug__open_and_load"))
+		return;
+	ret = lru_bug__attach(skel);
+	if (!ASSERT_OK(ret, "lru_bug__attach"))
+		goto end;
+	usleep(1);
+	ASSERT_OK(skel->data->result, "prealloc_lru_pop doesn't call check_and_init_map_value");
+end:
+	lru_bug__destroy(skel);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/lsm_cgroup.c b/tools/testing/selftests/bpf/prog_tests/lsm_cgroup.c
new file mode 100644
index 000000000..f117bfef6
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/lsm_cgroup.c
@@ -0,0 +1,322 @@
+// SPDX-License-Identifier: GPL-2.0
+
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <test_progs.h>
+#include <bpf/btf.h>
+
+#include "lsm_cgroup.skel.h"
+#include "lsm_cgroup_nonvoid.skel.h"
+#include "cgroup_helpers.h"
+#include "network_helpers.h"
+
+#ifndef ENOTSUPP
+#define ENOTSUPP 524
+#endif
+
+static struct btf *btf;
+
+static __u32 query_prog_cnt(int cgroup_fd, const char *attach_func)
+{
+	LIBBPF_OPTS(bpf_prog_query_opts, p);
+	int cnt = 0;
+	int i;
+
+	ASSERT_OK(bpf_prog_query_opts(cgroup_fd, BPF_LSM_CGROUP, &p), "prog_query");
+
+	if (!attach_func)
+		return p.prog_cnt;
+
+	/* When attach_func is provided, count the number of progs that
+	 * attach to the given symbol.
+	 */
+
+	if (!btf)
+		btf = btf__load_vmlinux_btf();
+	if (!ASSERT_OK(libbpf_get_error(btf), "btf_vmlinux"))
+		return -1;
+
+	p.prog_ids = malloc(sizeof(u32) * p.prog_cnt);
+	p.prog_attach_flags = malloc(sizeof(u32) * p.prog_cnt);
+	ASSERT_OK(bpf_prog_query_opts(cgroup_fd, BPF_LSM_CGROUP, &p), "prog_query");
+
+	for (i = 0; i < p.prog_cnt; i++) {
+		struct bpf_prog_info info = {};
+		__u32 info_len = sizeof(info);
+		int fd;
+
+		fd = bpf_prog_get_fd_by_id(p.prog_ids[i]);
+		ASSERT_GE(fd, 0, "prog_get_fd_by_id");
+		ASSERT_OK(bpf_obj_get_info_by_fd(fd, &info, &info_len), "prog_info_by_fd");
+		close(fd);
+
+		if (info.attach_btf_id ==
+		    btf__find_by_name_kind(btf, attach_func, BTF_KIND_FUNC))
+			cnt++;
+	}
+
+	free(p.prog_ids);
+	free(p.prog_attach_flags);
+
+	return cnt;
+}
+
+static void test_lsm_cgroup_functional(void)
+{
+	DECLARE_LIBBPF_OPTS(bpf_prog_attach_opts, attach_opts);
+	DECLARE_LIBBPF_OPTS(bpf_link_update_opts, update_opts);
+	int cgroup_fd = -1, cgroup_fd2 = -1, cgroup_fd3 = -1;
+	int listen_fd, client_fd, accepted_fd;
+	struct lsm_cgroup *skel = NULL;
+	int post_create_prog_fd2 = -1;
+	int post_create_prog_fd = -1;
+	int bind_link_fd2 = -1;
+	int bind_prog_fd2 = -1;
+	int alloc_prog_fd = -1;
+	int bind_prog_fd = -1;
+	int bind_link_fd = -1;
+	int clone_prog_fd = -1;
+	int err, fd, prio;
+	socklen_t socklen;
+
+	cgroup_fd3 = test__join_cgroup("/sock_policy_empty");
+	if (!ASSERT_GE(cgroup_fd3, 0, "create empty cgroup"))
+		goto close_cgroup;
+
+	cgroup_fd2 = test__join_cgroup("/sock_policy_reuse");
+	if (!ASSERT_GE(cgroup_fd2, 0, "create cgroup for reuse"))
+		goto close_cgroup;
+
+	cgroup_fd = test__join_cgroup("/sock_policy");
+	if (!ASSERT_GE(cgroup_fd, 0, "join_cgroup"))
+		goto close_cgroup;
+
+	skel = lsm_cgroup__open_and_load();
+	if (!ASSERT_OK_PTR(skel, "open_and_load"))
+		goto close_cgroup;
+
+	post_create_prog_fd = bpf_program__fd(skel->progs.socket_post_create);
+	post_create_prog_fd2 = bpf_program__fd(skel->progs.socket_post_create2);
+	bind_prog_fd = bpf_program__fd(skel->progs.socket_bind);
+	bind_prog_fd2 = bpf_program__fd(skel->progs.socket_bind2);
+	alloc_prog_fd = bpf_program__fd(skel->progs.socket_alloc);
+	clone_prog_fd = bpf_program__fd(skel->progs.socket_clone);
+
+	ASSERT_EQ(query_prog_cnt(cgroup_fd, "bpf_lsm_sk_alloc_security"), 0, "prog count");
+	ASSERT_EQ(query_prog_cnt(cgroup_fd, NULL), 0, "total prog count");
+	err = bpf_prog_attach(alloc_prog_fd, cgroup_fd, BPF_LSM_CGROUP, 0);
+	if (err == -ENOTSUPP) {
+		test__skip();
+		goto close_cgroup;
+	}
+	if (!ASSERT_OK(err, "attach alloc_prog_fd"))
+		goto detach_cgroup;
+	ASSERT_EQ(query_prog_cnt(cgroup_fd, "bpf_lsm_sk_alloc_security"), 1, "prog count");
+	ASSERT_EQ(query_prog_cnt(cgroup_fd, NULL), 1, "total prog count");
+
+	ASSERT_EQ(query_prog_cnt(cgroup_fd, "bpf_lsm_inet_csk_clone"), 0, "prog count");
+	err = bpf_prog_attach(clone_prog_fd, cgroup_fd, BPF_LSM_CGROUP, 0);
+	if (!ASSERT_OK(err, "attach clone_prog_fd"))
+		goto detach_cgroup;
+	ASSERT_EQ(query_prog_cnt(cgroup_fd, "bpf_lsm_inet_csk_clone"), 1, "prog count");
+	ASSERT_EQ(query_prog_cnt(cgroup_fd, NULL), 2, "total prog count");
+
+	/* Make sure replacing works. */
+
+	ASSERT_EQ(query_prog_cnt(cgroup_fd, "bpf_lsm_socket_post_create"), 0, "prog count");
+	err = bpf_prog_attach(post_create_prog_fd, cgroup_fd,
+			      BPF_LSM_CGROUP, 0);
+	if (!ASSERT_OK(err, "attach post_create_prog_fd"))
+		goto detach_cgroup;
+	ASSERT_EQ(query_prog_cnt(cgroup_fd, "bpf_lsm_socket_post_create"), 1, "prog count");
+	ASSERT_EQ(query_prog_cnt(cgroup_fd, NULL), 3, "total prog count");
+
+	attach_opts.replace_prog_fd = post_create_prog_fd;
+	err = bpf_prog_attach_opts(post_create_prog_fd2, cgroup_fd,
+				   BPF_LSM_CGROUP, &attach_opts);
+	if (!ASSERT_OK(err, "prog replace post_create_prog_fd"))
+		goto detach_cgroup;
+	ASSERT_EQ(query_prog_cnt(cgroup_fd, "bpf_lsm_socket_post_create"), 1, "prog count");
+	ASSERT_EQ(query_prog_cnt(cgroup_fd, NULL), 3, "total prog count");
+
+	/* Try the same attach/replace via link API. */
+
+	ASSERT_EQ(query_prog_cnt(cgroup_fd, "bpf_lsm_socket_bind"), 0, "prog count");
+	bind_link_fd = bpf_link_create(bind_prog_fd, cgroup_fd,
+				       BPF_LSM_CGROUP, NULL);
+	if (!ASSERT_GE(bind_link_fd, 0, "link create bind_prog_fd"))
+		goto detach_cgroup;
+	ASSERT_EQ(query_prog_cnt(cgroup_fd, "bpf_lsm_socket_bind"), 1, "prog count");
+	ASSERT_EQ(query_prog_cnt(cgroup_fd, NULL), 4, "total prog count");
+
+	update_opts.old_prog_fd = bind_prog_fd;
+	update_opts.flags = BPF_F_REPLACE;
+
+	err = bpf_link_update(bind_link_fd, bind_prog_fd2, &update_opts);
+	if (!ASSERT_OK(err, "link update bind_prog_fd"))
+		goto detach_cgroup;
+	ASSERT_EQ(query_prog_cnt(cgroup_fd, "bpf_lsm_socket_bind"), 1, "prog count");
+	ASSERT_EQ(query_prog_cnt(cgroup_fd, NULL), 4, "total prog count");
+
+	/* Attach another instance of bind program to another cgroup.
+	 * This should trigger the reuse of the trampoline shim (two
+	 * programs attaching to the same btf_id).
+	 */
+
+	ASSERT_EQ(query_prog_cnt(cgroup_fd, "bpf_lsm_socket_bind"), 1, "prog count");
+	ASSERT_EQ(query_prog_cnt(cgroup_fd2, "bpf_lsm_socket_bind"), 0, "prog count");
+	bind_link_fd2 = bpf_link_create(bind_prog_fd2, cgroup_fd2,
+					BPF_LSM_CGROUP, NULL);
+	if (!ASSERT_GE(bind_link_fd2, 0, "link create bind_prog_fd2"))
+		goto detach_cgroup;
+	ASSERT_EQ(query_prog_cnt(cgroup_fd2, "bpf_lsm_socket_bind"), 1, "prog count");
+	ASSERT_EQ(query_prog_cnt(cgroup_fd, NULL), 4, "total prog count");
+	ASSERT_EQ(query_prog_cnt(cgroup_fd2, NULL), 1, "total prog count");
+
+	fd = socket(AF_UNIX, SOCK_STREAM, 0);
+	if (!(skel->kconfig->CONFIG_SECURITY_APPARMOR
+	    || skel->kconfig->CONFIG_SECURITY_SELINUX
+	    || skel->kconfig->CONFIG_SECURITY_SMACK))
+		/* AF_UNIX is prohibited. */
+		ASSERT_LT(fd, 0, "socket(AF_UNIX)");
+	close(fd);
+
+	/* AF_INET6 gets default policy (sk_priority). */
+
+	fd = socket(AF_INET6, SOCK_STREAM, 0);
+	if (!ASSERT_GE(fd, 0, "socket(SOCK_STREAM)"))
+		goto detach_cgroup;
+
+	prio = 0;
+	socklen = sizeof(prio);
+	ASSERT_GE(getsockopt(fd, SOL_SOCKET, SO_PRIORITY, &prio, &socklen), 0,
+		  "getsockopt");
+	ASSERT_EQ(prio, 123, "sk_priority");
+
+	close(fd);
+
+	/* TX-only AF_PACKET is allowed. */
+
+	ASSERT_LT(socket(AF_PACKET, SOCK_RAW, htons(ETH_P_ALL)), 0,
+		  "socket(AF_PACKET, ..., ETH_P_ALL)");
+
+	fd = socket(AF_PACKET, SOCK_RAW, 0);
+	ASSERT_GE(fd, 0, "socket(AF_PACKET, ..., 0)");
+
+	/* TX-only AF_PACKET can not be rebound. */
+
+	struct sockaddr_ll sa = {
+		.sll_family = AF_PACKET,
+		.sll_protocol = htons(ETH_P_ALL),
+	};
+	ASSERT_LT(bind(fd, (struct sockaddr *)&sa, sizeof(sa)), 0,
+		  "bind(ETH_P_ALL)");
+
+	close(fd);
+
+	/* Trigger passive open. */
+
+	listen_fd = start_server(AF_INET6, SOCK_STREAM, "::1", 0, 0);
+	ASSERT_GE(listen_fd, 0, "start_server");
+	client_fd = connect_to_fd(listen_fd, 0);
+	ASSERT_GE(client_fd, 0, "connect_to_fd");
+	accepted_fd = accept(listen_fd, NULL, NULL);
+	ASSERT_GE(accepted_fd, 0, "accept");
+
+	prio = 0;
+	socklen = sizeof(prio);
+	ASSERT_GE(getsockopt(accepted_fd, SOL_SOCKET, SO_PRIORITY, &prio, &socklen), 0,
+		  "getsockopt");
+	ASSERT_EQ(prio, 234, "sk_priority");
+
+	/* These are replaced and never called. */
+	ASSERT_EQ(skel->bss->called_socket_post_create, 0, "called_create");
+	ASSERT_EQ(skel->bss->called_socket_bind, 0, "called_bind");
+
+	/* AF_INET6+SOCK_STREAM
+	 * AF_PACKET+SOCK_RAW
+	 * AF_UNIX+SOCK_RAW if already have non-bpf lsms installed
+	 * listen_fd
+	 * client_fd
+	 * accepted_fd
+	 */
+	if (skel->kconfig->CONFIG_SECURITY_APPARMOR
+	    || skel->kconfig->CONFIG_SECURITY_SELINUX
+	    || skel->kconfig->CONFIG_SECURITY_SMACK)
+		/* AF_UNIX+SOCK_RAW if already have non-bpf lsms installed */
+		ASSERT_EQ(skel->bss->called_socket_post_create2, 6, "called_create2");
+	else
+		ASSERT_EQ(skel->bss->called_socket_post_create2, 5, "called_create2");
+
+	/* start_server
+	 * bind(ETH_P_ALL)
+	 */
+	ASSERT_EQ(skel->bss->called_socket_bind2, 2, "called_bind2");
+	/* Single accept(). */
+	ASSERT_EQ(skel->bss->called_socket_clone, 1, "called_clone");
+
+	/* AF_UNIX+SOCK_STREAM (failed)
+	 * AF_INET6+SOCK_STREAM
+	 * AF_PACKET+SOCK_RAW (failed)
+	 * AF_PACKET+SOCK_RAW
+	 * listen_fd
+	 * client_fd
+	 * accepted_fd
+	 */
+	ASSERT_EQ(skel->bss->called_socket_alloc, 7, "called_alloc");
+
+	close(listen_fd);
+	close(client_fd);
+	close(accepted_fd);
+
+	/* Make sure other cgroup doesn't trigger the programs. */
+
+	if (!ASSERT_OK(join_cgroup("/sock_policy_empty"), "join root cgroup"))
+		goto detach_cgroup;
+
+	fd = socket(AF_INET6, SOCK_STREAM, 0);
+	if (!ASSERT_GE(fd, 0, "socket(SOCK_STREAM)"))
+		goto detach_cgroup;
+
+	prio = 0;
+	socklen = sizeof(prio);
+	ASSERT_GE(getsockopt(fd, SOL_SOCKET, SO_PRIORITY, &prio, &socklen), 0,
+		  "getsockopt");
+	ASSERT_EQ(prio, 0, "sk_priority");
+
+	close(fd);
+
+detach_cgroup:
+	ASSERT_GE(bpf_prog_detach2(post_create_prog_fd2, cgroup_fd,
+				   BPF_LSM_CGROUP), 0, "detach_create");
+	close(bind_link_fd);
+	/* Don't close bind_link_fd2, exercise cgroup release cleanup. */
+	ASSERT_GE(bpf_prog_detach2(alloc_prog_fd, cgroup_fd,
+				   BPF_LSM_CGROUP), 0, "detach_alloc");
+	ASSERT_GE(bpf_prog_detach2(clone_prog_fd, cgroup_fd,
+				   BPF_LSM_CGROUP), 0, "detach_clone");
+
+close_cgroup:
+	close(cgroup_fd);
+	close(cgroup_fd2);
+	close(cgroup_fd3);
+	lsm_cgroup__destroy(skel);
+}
+
+static void test_lsm_cgroup_nonvoid(void)
+{
+	struct lsm_cgroup_nonvoid *skel = NULL;
+
+	skel = lsm_cgroup_nonvoid__open_and_load();
+	ASSERT_NULL(skel, "open succeeds");
+	lsm_cgroup_nonvoid__destroy(skel);
+}
+
+void test_lsm_cgroup(void)
+{
+	if (test__start_subtest("functional"))
+		test_lsm_cgroup_functional();
+	if (test__start_subtest("nonvoid"))
+		test_lsm_cgroup_nonvoid();
+	btf__free(btf);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/map_init.c b/tools/testing/selftests/bpf/prog_tests/map_init.c
new file mode 100644
index 000000000..14a31109d
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/map_init.c
@@ -0,0 +1,214 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/* Copyright (c) 2020 Tessares SA <http://www.tessares.net> */
+
+#include <test_progs.h>
+#include "test_map_init.skel.h"
+
+#define TEST_VALUE 0x1234
+#define FILL_VALUE 0xdeadbeef
+
+static int nr_cpus;
+static int duration;
+
+typedef unsigned long long map_key_t;
+typedef unsigned long long map_value_t;
+typedef struct {
+	map_value_t v; /* padding */
+} __bpf_percpu_val_align pcpu_map_value_t;
+
+
+static int map_populate(int map_fd, int num)
+{
+	pcpu_map_value_t value[nr_cpus];
+	int i, err;
+	map_key_t key;
+
+	for (i = 0; i < nr_cpus; i++)
+		bpf_percpu(value, i) = FILL_VALUE;
+
+	for (key = 1; key <= num; key++) {
+		err = bpf_map_update_elem(map_fd, &key, value, BPF_NOEXIST);
+		if (!ASSERT_OK(err, "bpf_map_update_elem"))
+			return -1;
+	}
+
+	return 0;
+}
+
+static struct test_map_init *setup(enum bpf_map_type map_type, int map_sz,
+			    int *map_fd, int populate)
+{
+	struct test_map_init *skel;
+	int err;
+
+	skel = test_map_init__open();
+	if (!ASSERT_OK_PTR(skel, "skel_open"))
+		return NULL;
+
+	err = bpf_map__set_type(skel->maps.hashmap1, map_type);
+	if (!ASSERT_OK(err, "bpf_map__set_type"))
+		goto error;
+
+	err = bpf_map__set_max_entries(skel->maps.hashmap1, map_sz);
+	if (!ASSERT_OK(err, "bpf_map__set_max_entries"))
+		goto error;
+
+	err = test_map_init__load(skel);
+	if (!ASSERT_OK(err, "skel_load"))
+		goto error;
+
+	*map_fd = bpf_map__fd(skel->maps.hashmap1);
+	if (CHECK(*map_fd < 0, "bpf_map__fd", "failed\n"))
+		goto error;
+
+	err = map_populate(*map_fd, populate);
+	if (!ASSERT_OK(err, "map_populate"))
+		goto error_map;
+
+	return skel;
+
+error_map:
+	close(*map_fd);
+error:
+	test_map_init__destroy(skel);
+	return NULL;
+}
+
+/* executes bpf program that updates map with key, value */
+static int prog_run_insert_elem(struct test_map_init *skel, map_key_t key,
+				map_value_t value)
+{
+	struct test_map_init__bss *bss;
+
+	bss = skel->bss;
+
+	bss->inKey = key;
+	bss->inValue = value;
+	bss->inPid = getpid();
+
+	if (!ASSERT_OK(test_map_init__attach(skel), "skel_attach"))
+		return -1;
+
+	/* Let tracepoint trigger */
+	syscall(__NR_getpgid);
+
+	test_map_init__detach(skel);
+
+	return 0;
+}
+
+static int check_values_one_cpu(pcpu_map_value_t *value, map_value_t expected)
+{
+	int i, nzCnt = 0;
+	map_value_t val;
+
+	for (i = 0; i < nr_cpus; i++) {
+		val = bpf_percpu(value, i);
+		if (val) {
+			if (CHECK(val != expected, "map value",
+				  "unexpected for cpu %d: 0x%llx\n", i, val))
+				return -1;
+			nzCnt++;
+		}
+	}
+
+	if (CHECK(nzCnt != 1, "map value", "set for %d CPUs instead of 1!\n",
+		  nzCnt))
+		return -1;
+
+	return 0;
+}
+
+/* Add key=1 elem with values set for all CPUs
+ * Delete elem key=1
+ * Run bpf prog that inserts new key=1 elem with value=0x1234
+ *   (bpf prog can only set value for current CPU)
+ * Lookup Key=1 and check value is as expected for all CPUs:
+ *   value set by bpf prog for one CPU, 0 for all others
+ */
+static void test_pcpu_map_init(void)
+{
+	pcpu_map_value_t value[nr_cpus];
+	struct test_map_init *skel;
+	int map_fd, err;
+	map_key_t key;
+
+	/* max 1 elem in map so insertion is forced to reuse freed entry */
+	skel = setup(BPF_MAP_TYPE_PERCPU_HASH, 1, &map_fd, 1);
+	if (!ASSERT_OK_PTR(skel, "prog_setup"))
+		return;
+
+	/* delete element so the entry can be re-used*/
+	key = 1;
+	err = bpf_map_delete_elem(map_fd, &key);
+	if (!ASSERT_OK(err, "bpf_map_delete_elem"))
+		goto cleanup;
+
+	/* run bpf prog that inserts new elem, re-using the slot just freed */
+	err = prog_run_insert_elem(skel, key, TEST_VALUE);
+	if (!ASSERT_OK(err, "prog_run_insert_elem"))
+		goto cleanup;
+
+	/* check that key=1 was re-created by bpf prog */
+	err = bpf_map_lookup_elem(map_fd, &key, value);
+	if (!ASSERT_OK(err, "bpf_map_lookup_elem"))
+		goto cleanup;
+
+	/* and has expected values */
+	check_values_one_cpu(value, TEST_VALUE);
+
+cleanup:
+	test_map_init__destroy(skel);
+}
+
+/* Add key=1 and key=2 elems with values set for all CPUs
+ * Run bpf prog that inserts new key=3 elem
+ *   (only for current cpu; other cpus should have initial value = 0)
+ * Lookup Key=1 and check value is as expected for all CPUs
+ */
+static void test_pcpu_lru_map_init(void)
+{
+	pcpu_map_value_t value[nr_cpus];
+	struct test_map_init *skel;
+	int map_fd, err;
+	map_key_t key;
+
+	/* Set up LRU map with 2 elements, values filled for all CPUs.
+	 * With these 2 elements, the LRU map is full
+	 */
+	skel = setup(BPF_MAP_TYPE_LRU_PERCPU_HASH, 2, &map_fd, 2);
+	if (!ASSERT_OK_PTR(skel, "prog_setup"))
+		return;
+
+	/* run bpf prog that inserts new key=3 element, re-using LRU slot */
+	key = 3;
+	err = prog_run_insert_elem(skel, key, TEST_VALUE);
+	if (!ASSERT_OK(err, "prog_run_insert_elem"))
+		goto cleanup;
+
+	/* check that key=3 replaced one of earlier elements */
+	err = bpf_map_lookup_elem(map_fd, &key, value);
+	if (!ASSERT_OK(err, "bpf_map_lookup_elem"))
+		goto cleanup;
+
+	/* and has expected values */
+	check_values_one_cpu(value, TEST_VALUE);
+
+cleanup:
+	test_map_init__destroy(skel);
+}
+
+void test_map_init(void)
+{
+	nr_cpus = bpf_num_possible_cpus();
+	if (nr_cpus <= 1) {
+		printf("%s:SKIP: >1 cpu needed for this test\n", __func__);
+		test__skip();
+		return;
+	}
+
+	if (test__start_subtest("pcpu_map_init"))
+		test_pcpu_map_init();
+	if (test__start_subtest("pcpu_lru_map_init"))
+		test_pcpu_lru_map_init();
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/map_kptr.c b/tools/testing/selftests/bpf/prog_tests/map_kptr.c
new file mode 100644
index 000000000..0d66b1524
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/map_kptr.c
@@ -0,0 +1,149 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <test_progs.h>
+#include <network_helpers.h>
+
+#include "map_kptr.skel.h"
+#include "map_kptr_fail.skel.h"
+
+static char log_buf[1024 * 1024];
+
+struct {
+	const char *prog_name;
+	const char *err_msg;
+} map_kptr_fail_tests[] = {
+	{ "size_not_bpf_dw", "kptr access size must be BPF_DW" },
+	{ "non_const_var_off", "kptr access cannot have variable offset" },
+	{ "non_const_var_off_kptr_xchg", "R1 doesn't have constant offset. kptr has to be" },
+	{ "misaligned_access_write", "kptr access misaligned expected=8 off=7" },
+	{ "misaligned_access_read", "kptr access misaligned expected=8 off=1" },
+	{ "reject_var_off_store", "variable untrusted_ptr_ access var_off=(0x0; 0x1e0)" },
+	{ "reject_bad_type_match", "invalid kptr access, R1 type=untrusted_ptr_prog_test_ref_kfunc" },
+	{ "marked_as_untrusted_or_null", "R1 type=untrusted_ptr_or_null_ expected=percpu_ptr_" },
+	{ "correct_btf_id_check_size", "access beyond struct prog_test_ref_kfunc at off 32 size 4" },
+	{ "inherit_untrusted_on_walk", "R1 type=untrusted_ptr_ expected=percpu_ptr_" },
+	{ "reject_kptr_xchg_on_unref", "off=8 kptr isn't referenced kptr" },
+	{ "reject_kptr_get_no_map_val", "arg#0 expected pointer to map value" },
+	{ "reject_kptr_get_no_null_map_val", "arg#0 expected pointer to map value" },
+	{ "reject_kptr_get_no_kptr", "arg#0 no referenced kptr at map value offset=0" },
+	{ "reject_kptr_get_on_unref", "arg#0 no referenced kptr at map value offset=8" },
+	{ "reject_kptr_get_bad_type_match", "kernel function bpf_kfunc_call_test_kptr_get args#0" },
+	{ "mark_ref_as_untrusted_or_null", "R1 type=untrusted_ptr_or_null_ expected=percpu_ptr_" },
+	{ "reject_untrusted_store_to_ref", "store to referenced kptr disallowed" },
+	{ "reject_bad_type_xchg", "invalid kptr access, R2 type=ptr_prog_test_ref_kfunc expected=ptr_prog_test_member" },
+	{ "reject_untrusted_xchg", "R2 type=untrusted_ptr_ expected=ptr_" },
+	{ "reject_member_of_ref_xchg", "invalid kptr access, R2 type=ptr_prog_test_ref_kfunc" },
+	{ "reject_indirect_helper_access", "kptr cannot be accessed indirectly by helper" },
+	{ "reject_indirect_global_func_access", "kptr cannot be accessed indirectly by helper" },
+	{ "kptr_xchg_ref_state", "Unreleased reference id=5 alloc_insn=" },
+	{ "kptr_get_ref_state", "Unreleased reference id=3 alloc_insn=" },
+};
+
+static void test_map_kptr_fail_prog(const char *prog_name, const char *err_msg)
+{
+	LIBBPF_OPTS(bpf_object_open_opts, opts, .kernel_log_buf = log_buf,
+						.kernel_log_size = sizeof(log_buf),
+						.kernel_log_level = 1);
+	struct map_kptr_fail *skel;
+	struct bpf_program *prog;
+	int ret;
+
+	skel = map_kptr_fail__open_opts(&opts);
+	if (!ASSERT_OK_PTR(skel, "map_kptr_fail__open_opts"))
+		return;
+
+	prog = bpf_object__find_program_by_name(skel->obj, prog_name);
+	if (!ASSERT_OK_PTR(prog, "bpf_object__find_program_by_name"))
+		goto end;
+
+	bpf_program__set_autoload(prog, true);
+
+	ret = map_kptr_fail__load(skel);
+	if (!ASSERT_ERR(ret, "map_kptr__load must fail"))
+		goto end;
+
+	if (!ASSERT_OK_PTR(strstr(log_buf, err_msg), "expected error message")) {
+		fprintf(stderr, "Expected: %s\n", err_msg);
+		fprintf(stderr, "Verifier: %s\n", log_buf);
+	}
+
+end:
+	map_kptr_fail__destroy(skel);
+}
+
+static void test_map_kptr_fail(void)
+{
+	int i;
+
+	for (i = 0; i < ARRAY_SIZE(map_kptr_fail_tests); i++) {
+		if (!test__start_subtest(map_kptr_fail_tests[i].prog_name))
+			continue;
+		test_map_kptr_fail_prog(map_kptr_fail_tests[i].prog_name,
+					map_kptr_fail_tests[i].err_msg);
+	}
+}
+
+static void test_map_kptr_success(bool test_run)
+{
+	LIBBPF_OPTS(bpf_test_run_opts, opts,
+		.data_in = &pkt_v4,
+		.data_size_in = sizeof(pkt_v4),
+		.repeat = 1,
+	);
+	struct map_kptr *skel;
+	int key = 0, ret;
+	char buf[16];
+
+	skel = map_kptr__open_and_load();
+	if (!ASSERT_OK_PTR(skel, "map_kptr__open_and_load"))
+		return;
+
+	ret = bpf_prog_test_run_opts(bpf_program__fd(skel->progs.test_map_kptr_ref), &opts);
+	ASSERT_OK(ret, "test_map_kptr_ref refcount");
+	ASSERT_OK(opts.retval, "test_map_kptr_ref retval");
+	ret = bpf_prog_test_run_opts(bpf_program__fd(skel->progs.test_map_kptr_ref2), &opts);
+	ASSERT_OK(ret, "test_map_kptr_ref2 refcount");
+	ASSERT_OK(opts.retval, "test_map_kptr_ref2 retval");
+
+	if (test_run)
+		goto exit;
+
+	ret = bpf_map__update_elem(skel->maps.array_map,
+				   &key, sizeof(key), buf, sizeof(buf), 0);
+	ASSERT_OK(ret, "array_map update");
+	ret = bpf_map__update_elem(skel->maps.array_map,
+				   &key, sizeof(key), buf, sizeof(buf), 0);
+	ASSERT_OK(ret, "array_map update2");
+
+	ret = bpf_map__update_elem(skel->maps.hash_map,
+				   &key, sizeof(key), buf, sizeof(buf), 0);
+	ASSERT_OK(ret, "hash_map update");
+	ret = bpf_map__delete_elem(skel->maps.hash_map, &key, sizeof(key), 0);
+	ASSERT_OK(ret, "hash_map delete");
+
+	ret = bpf_map__update_elem(skel->maps.hash_malloc_map,
+				   &key, sizeof(key), buf, sizeof(buf), 0);
+	ASSERT_OK(ret, "hash_malloc_map update");
+	ret = bpf_map__delete_elem(skel->maps.hash_malloc_map, &key, sizeof(key), 0);
+	ASSERT_OK(ret, "hash_malloc_map delete");
+
+	ret = bpf_map__update_elem(skel->maps.lru_hash_map,
+				   &key, sizeof(key), buf, sizeof(buf), 0);
+	ASSERT_OK(ret, "lru_hash_map update");
+	ret = bpf_map__delete_elem(skel->maps.lru_hash_map, &key, sizeof(key), 0);
+	ASSERT_OK(ret, "lru_hash_map delete");
+
+exit:
+	map_kptr__destroy(skel);
+}
+
+void test_map_kptr(void)
+{
+	if (test__start_subtest("success")) {
+		test_map_kptr_success(false);
+		/* Do test_run twice, so that we see refcount going back to 1
+		 * after we leave it in map from first iteration.
+		 */
+		test_map_kptr_success(true);
+	}
+	test_map_kptr_fail();
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/map_lock.c b/tools/testing/selftests/bpf/prog_tests/map_lock.c
new file mode 100644
index 000000000..1d6726f01
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/map_lock.c
@@ -0,0 +1,92 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <test_progs.h>
+#include <network_helpers.h>
+
+static void *spin_lock_thread(void *arg)
+{
+	int err, prog_fd = *(u32 *) arg;
+	LIBBPF_OPTS(bpf_test_run_opts, topts,
+		.data_in = &pkt_v4,
+		.data_size_in = sizeof(pkt_v4),
+		.repeat = 10000,
+	);
+
+	err = bpf_prog_test_run_opts(prog_fd, &topts);
+	ASSERT_OK(err, "test_run_opts err");
+	ASSERT_OK(topts.retval, "test_run_opts retval");
+
+	pthread_exit(arg);
+}
+
+static void *parallel_map_access(void *arg)
+{
+	int err, map_fd = *(u32 *) arg;
+	int vars[17], i, j, rnd, key = 0;
+
+	for (i = 0; i < 10000; i++) {
+		err = bpf_map_lookup_elem_flags(map_fd, &key, vars, BPF_F_LOCK);
+		if (CHECK_FAIL(err)) {
+			printf("lookup failed\n");
+			goto out;
+		}
+		if (CHECK_FAIL(vars[0] != 0)) {
+			printf("lookup #%d var[0]=%d\n", i, vars[0]);
+			goto out;
+		}
+		rnd = vars[1];
+		for (j = 2; j < 17; j++) {
+			if (vars[j] == rnd)
+				continue;
+			printf("lookup #%d var[1]=%d var[%d]=%d\n",
+			       i, rnd, j, vars[j]);
+			CHECK_FAIL(vars[j] != rnd);
+			goto out;
+		}
+	}
+out:
+	pthread_exit(arg);
+}
+
+void test_map_lock(void)
+{
+	const char *file = "./test_map_lock.bpf.o";
+	int prog_fd, map_fd[2], vars[17] = {};
+	pthread_t thread_id[6];
+	struct bpf_object *obj = NULL;
+	int err = 0, key = 0, i;
+	void *ret;
+
+	err = bpf_prog_test_load(file, BPF_PROG_TYPE_CGROUP_SKB, &obj, &prog_fd);
+	if (CHECK_FAIL(err)) {
+		printf("test_map_lock:bpf_prog_test_load errno %d\n", errno);
+		goto close_prog;
+	}
+	map_fd[0] = bpf_find_map(__func__, obj, "hash_map");
+	if (CHECK_FAIL(map_fd[0] < 0))
+		goto close_prog;
+	map_fd[1] = bpf_find_map(__func__, obj, "array_map");
+	if (CHECK_FAIL(map_fd[1] < 0))
+		goto close_prog;
+
+	bpf_map_update_elem(map_fd[0], &key, vars, BPF_F_LOCK);
+
+	for (i = 0; i < 4; i++)
+		if (CHECK_FAIL(pthread_create(&thread_id[i], NULL,
+					      &spin_lock_thread, &prog_fd)))
+			goto close_prog;
+	for (i = 4; i < 6; i++)
+		if (CHECK_FAIL(pthread_create(&thread_id[i], NULL,
+					      &parallel_map_access,
+					      &map_fd[i - 4])))
+			goto close_prog;
+	for (i = 0; i < 4; i++)
+		if (CHECK_FAIL(pthread_join(thread_id[i], &ret) ||
+			       ret != (void *)&prog_fd))
+			goto close_prog;
+	for (i = 4; i < 6; i++)
+		if (CHECK_FAIL(pthread_join(thread_id[i], &ret) ||
+			       ret != (void *)&map_fd[i - 4]))
+			goto close_prog;
+close_prog:
+	bpf_object__close(obj);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/map_lookup_percpu_elem.c b/tools/testing/selftests/bpf/prog_tests/map_lookup_percpu_elem.c
new file mode 100644
index 000000000..bfb1bf3fd
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/map_lookup_percpu_elem.c
@@ -0,0 +1,58 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2022 Bytedance */
+
+#include <test_progs.h>
+#include "test_map_lookup_percpu_elem.skel.h"
+
+void test_map_lookup_percpu_elem(void)
+{
+	struct test_map_lookup_percpu_elem *skel;
+	__u64 key = 0, sum;
+	int ret, i, nr_cpus = libbpf_num_possible_cpus();
+	__u64 *buf;
+
+	buf = malloc(nr_cpus*sizeof(__u64));
+	if (!ASSERT_OK_PTR(buf, "malloc"))
+		return;
+
+	for (i = 0; i < nr_cpus; i++)
+		buf[i] = i;
+	sum = (nr_cpus - 1) * nr_cpus / 2;
+
+	skel = test_map_lookup_percpu_elem__open();
+	if (!ASSERT_OK_PTR(skel, "test_map_lookup_percpu_elem__open"))
+		goto exit;
+
+	skel->rodata->my_pid = getpid();
+	skel->rodata->nr_cpus = nr_cpus;
+
+	ret = test_map_lookup_percpu_elem__load(skel);
+	if (!ASSERT_OK(ret, "test_map_lookup_percpu_elem__load"))
+		goto cleanup;
+
+	ret = test_map_lookup_percpu_elem__attach(skel);
+	if (!ASSERT_OK(ret, "test_map_lookup_percpu_elem__attach"))
+		goto cleanup;
+
+	ret = bpf_map_update_elem(bpf_map__fd(skel->maps.percpu_array_map), &key, buf, 0);
+	ASSERT_OK(ret, "percpu_array_map update");
+
+	ret = bpf_map_update_elem(bpf_map__fd(skel->maps.percpu_hash_map), &key, buf, 0);
+	ASSERT_OK(ret, "percpu_hash_map update");
+
+	ret = bpf_map_update_elem(bpf_map__fd(skel->maps.percpu_lru_hash_map), &key, buf, 0);
+	ASSERT_OK(ret, "percpu_lru_hash_map update");
+
+	syscall(__NR_getuid);
+
+	test_map_lookup_percpu_elem__detach(skel);
+
+	ASSERT_EQ(skel->bss->percpu_array_elem_sum, sum, "percpu_array lookup percpu elem");
+	ASSERT_EQ(skel->bss->percpu_hash_elem_sum, sum, "percpu_hash lookup percpu elem");
+	ASSERT_EQ(skel->bss->percpu_lru_hash_elem_sum, sum, "percpu_lru_hash lookup percpu elem");
+
+cleanup:
+	test_map_lookup_percpu_elem__destroy(skel);
+exit:
+	free(buf);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/map_ptr.c b/tools/testing/selftests/bpf/prog_tests/map_ptr.c
new file mode 100644
index 000000000..43e502acf
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/map_ptr.c
@@ -0,0 +1,45 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (c) 2020 Facebook
+
+#include <test_progs.h>
+#include <network_helpers.h>
+
+#include "map_ptr_kern.lskel.h"
+
+void test_map_ptr(void)
+{
+	struct map_ptr_kern_lskel *skel;
+	char buf[128];
+	int err;
+	int page_size = getpagesize();
+	LIBBPF_OPTS(bpf_test_run_opts, topts,
+		.data_in = &pkt_v4,
+		.data_size_in = sizeof(pkt_v4),
+		.data_out = buf,
+		.data_size_out = sizeof(buf),
+		.repeat = 1,
+	);
+
+	skel = map_ptr_kern_lskel__open();
+	if (!ASSERT_OK_PTR(skel, "skel_open"))
+		return;
+
+	skel->maps.m_ringbuf.max_entries = page_size;
+
+	err = map_ptr_kern_lskel__load(skel);
+	if (!ASSERT_OK(err, "skel_load"))
+		goto cleanup;
+
+	skel->bss->page_size = page_size;
+
+	err = bpf_prog_test_run_opts(skel->progs.cg_skb.prog_fd, &topts);
+
+	if (!ASSERT_OK(err, "test_run"))
+		goto cleanup;
+
+	if (!ASSERT_NEQ(topts.retval, 0, "test_run retval"))
+		goto cleanup;
+
+cleanup:
+	map_ptr_kern_lskel__destroy(skel);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/metadata.c b/tools/testing/selftests/bpf/prog_tests/metadata.c
new file mode 100644
index 000000000..2c53eade8
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/metadata.c
@@ -0,0 +1,141 @@
+// SPDX-License-Identifier: GPL-2.0-only
+
+/*
+ * Copyright 2020 Google LLC.
+ */
+
+#include <test_progs.h>
+#include <cgroup_helpers.h>
+#include <network_helpers.h>
+
+#include "metadata_unused.skel.h"
+#include "metadata_used.skel.h"
+
+static int duration;
+
+static int prog_holds_map(int prog_fd, int map_fd)
+{
+	struct bpf_prog_info prog_info = {};
+	struct bpf_prog_info map_info = {};
+	__u32 prog_info_len;
+	__u32 map_info_len;
+	__u32 *map_ids;
+	int nr_maps;
+	int ret;
+	int i;
+
+	map_info_len = sizeof(map_info);
+	ret = bpf_obj_get_info_by_fd(map_fd, &map_info, &map_info_len);
+	if (ret)
+		return -errno;
+
+	prog_info_len = sizeof(prog_info);
+	ret = bpf_obj_get_info_by_fd(prog_fd, &prog_info, &prog_info_len);
+	if (ret)
+		return -errno;
+
+	map_ids = calloc(prog_info.nr_map_ids, sizeof(__u32));
+	if (!map_ids)
+		return -ENOMEM;
+
+	nr_maps = prog_info.nr_map_ids;
+	memset(&prog_info, 0, sizeof(prog_info));
+	prog_info.nr_map_ids = nr_maps;
+	prog_info.map_ids = ptr_to_u64(map_ids);
+	prog_info_len = sizeof(prog_info);
+
+	ret = bpf_obj_get_info_by_fd(prog_fd, &prog_info, &prog_info_len);
+	if (ret) {
+		ret = -errno;
+		goto free_map_ids;
+	}
+
+	ret = -ENOENT;
+	for (i = 0; i < prog_info.nr_map_ids; i++) {
+		if (map_ids[i] == map_info.id) {
+			ret = 0;
+			break;
+		}
+	}
+
+free_map_ids:
+	free(map_ids);
+	return ret;
+}
+
+static void test_metadata_unused(void)
+{
+	struct metadata_unused *obj;
+	int err;
+
+	obj = metadata_unused__open_and_load();
+	if (CHECK(!obj, "skel-load", "errno %d", errno))
+		return;
+
+	err = prog_holds_map(bpf_program__fd(obj->progs.prog),
+			     bpf_map__fd(obj->maps.rodata));
+	if (CHECK(err, "prog-holds-rodata", "errno: %d", err))
+		return;
+
+	/* Assert that we can access the metadata in skel and the values are
+	 * what we expect.
+	 */
+	if (CHECK(strncmp(obj->rodata->bpf_metadata_a, "foo",
+			  sizeof(obj->rodata->bpf_metadata_a)),
+		  "bpf_metadata_a", "expected \"foo\", value differ"))
+		goto close_bpf_object;
+	if (CHECK(obj->rodata->bpf_metadata_b != 1, "bpf_metadata_b",
+		  "expected 1, got %d", obj->rodata->bpf_metadata_b))
+		goto close_bpf_object;
+
+	/* Assert that binding metadata map to prog again succeeds. */
+	err = bpf_prog_bind_map(bpf_program__fd(obj->progs.prog),
+				bpf_map__fd(obj->maps.rodata), NULL);
+	CHECK(err, "rebind_map", "errno %d, expected 0", errno);
+
+close_bpf_object:
+	metadata_unused__destroy(obj);
+}
+
+static void test_metadata_used(void)
+{
+	struct metadata_used *obj;
+	int err;
+
+	obj = metadata_used__open_and_load();
+	if (CHECK(!obj, "skel-load", "errno %d", errno))
+		return;
+
+	err = prog_holds_map(bpf_program__fd(obj->progs.prog),
+			     bpf_map__fd(obj->maps.rodata));
+	if (CHECK(err, "prog-holds-rodata", "errno: %d", err))
+		return;
+
+	/* Assert that we can access the metadata in skel and the values are
+	 * what we expect.
+	 */
+	if (CHECK(strncmp(obj->rodata->bpf_metadata_a, "bar",
+			  sizeof(obj->rodata->bpf_metadata_a)),
+		  "metadata_a", "expected \"bar\", value differ"))
+		goto close_bpf_object;
+	if (CHECK(obj->rodata->bpf_metadata_b != 2, "metadata_b",
+		  "expected 2, got %d", obj->rodata->bpf_metadata_b))
+		goto close_bpf_object;
+
+	/* Assert that binding metadata map to prog again succeeds. */
+	err = bpf_prog_bind_map(bpf_program__fd(obj->progs.prog),
+				bpf_map__fd(obj->maps.rodata), NULL);
+	CHECK(err, "rebind_map", "errno %d, expected 0", errno);
+
+close_bpf_object:
+	metadata_used__destroy(obj);
+}
+
+void test_metadata(void)
+{
+	if (test__start_subtest("unused"))
+		test_metadata_unused();
+
+	if (test__start_subtest("used"))
+		test_metadata_used();
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/migrate_reuseport.c b/tools/testing/selftests/bpf/prog_tests/migrate_reuseport.c
new file mode 100644
index 000000000..eb2feaac8
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/migrate_reuseport.c
@@ -0,0 +1,559 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Check if we can migrate child sockets.
+ *
+ *   1. call listen() for 4 server sockets.
+ *   2. call connect() for 25 client sockets.
+ *   3. call listen() for 1 server socket. (migration target)
+ *   4. update a map to migrate all child sockets
+ *        to the last server socket (migrate_map[cookie] = 4)
+ *   5. call shutdown() for first 4 server sockets
+ *        and migrate the requests in the accept queue
+ *        to the last server socket.
+ *   6. call listen() for the second server socket.
+ *   7. call shutdown() for the last server
+ *        and migrate the requests in the accept queue
+ *        to the second server socket.
+ *   8. call listen() for the last server.
+ *   9. call shutdown() for the second server
+ *        and migrate the requests in the accept queue
+ *        to the last server socket.
+ *  10. call accept() for the last server socket.
+ *
+ * Author: Kuniyuki Iwashima <kuniyu@amazon.co.jp>
+ */
+
+#include <bpf/bpf.h>
+#include <bpf/libbpf.h>
+
+#include "test_progs.h"
+#include "test_migrate_reuseport.skel.h"
+#include "network_helpers.h"
+
+#ifndef TCP_FASTOPEN_CONNECT
+#define TCP_FASTOPEN_CONNECT 30
+#endif
+
+#define IFINDEX_LO 1
+
+#define NR_SERVERS 5
+#define NR_CLIENTS (NR_SERVERS * 5)
+#define MIGRATED_TO (NR_SERVERS - 1)
+
+/* fastopenq->max_qlen and sk->sk_max_ack_backlog */
+#define QLEN (NR_CLIENTS * 5)
+
+#define MSG "Hello World\0"
+#define MSGLEN 12
+
+static struct migrate_reuseport_test_case {
+	const char *name;
+	__s64 servers[NR_SERVERS];
+	__s64 clients[NR_CLIENTS];
+	struct sockaddr_storage addr;
+	socklen_t addrlen;
+	int family;
+	int state;
+	bool drop_ack;
+	bool expire_synack_timer;
+	bool fastopen;
+	struct bpf_link *link;
+} test_cases[] = {
+	{
+		.name = "IPv4 TCP_ESTABLISHED  inet_csk_listen_stop",
+		.family = AF_INET,
+		.state = BPF_TCP_ESTABLISHED,
+		.drop_ack = false,
+		.expire_synack_timer = false,
+		.fastopen = false,
+	},
+	{
+		.name = "IPv4 TCP_SYN_RECV     inet_csk_listen_stop",
+		.family = AF_INET,
+		.state = BPF_TCP_SYN_RECV,
+		.drop_ack = true,
+		.expire_synack_timer = false,
+		.fastopen = true,
+	},
+	{
+		.name = "IPv4 TCP_NEW_SYN_RECV reqsk_timer_handler",
+		.family = AF_INET,
+		.state = BPF_TCP_NEW_SYN_RECV,
+		.drop_ack = true,
+		.expire_synack_timer = true,
+		.fastopen = false,
+	},
+	{
+		.name = "IPv4 TCP_NEW_SYN_RECV inet_csk_complete_hashdance",
+		.family = AF_INET,
+		.state = BPF_TCP_NEW_SYN_RECV,
+		.drop_ack = true,
+		.expire_synack_timer = false,
+		.fastopen = false,
+	},
+	{
+		.name = "IPv6 TCP_ESTABLISHED  inet_csk_listen_stop",
+		.family = AF_INET6,
+		.state = BPF_TCP_ESTABLISHED,
+		.drop_ack = false,
+		.expire_synack_timer = false,
+		.fastopen = false,
+	},
+	{
+		.name = "IPv6 TCP_SYN_RECV     inet_csk_listen_stop",
+		.family = AF_INET6,
+		.state = BPF_TCP_SYN_RECV,
+		.drop_ack = true,
+		.expire_synack_timer = false,
+		.fastopen = true,
+	},
+	{
+		.name = "IPv6 TCP_NEW_SYN_RECV reqsk_timer_handler",
+		.family = AF_INET6,
+		.state = BPF_TCP_NEW_SYN_RECV,
+		.drop_ack = true,
+		.expire_synack_timer = true,
+		.fastopen = false,
+	},
+	{
+		.name = "IPv6 TCP_NEW_SYN_RECV inet_csk_complete_hashdance",
+		.family = AF_INET6,
+		.state = BPF_TCP_NEW_SYN_RECV,
+		.drop_ack = true,
+		.expire_synack_timer = false,
+		.fastopen = false,
+	}
+};
+
+static void init_fds(__s64 fds[], int len)
+{
+	int i;
+
+	for (i = 0; i < len; i++)
+		fds[i] = -1;
+}
+
+static void close_fds(__s64 fds[], int len)
+{
+	int i;
+
+	for (i = 0; i < len; i++) {
+		if (fds[i] != -1) {
+			close(fds[i]);
+			fds[i] = -1;
+		}
+	}
+}
+
+static int setup_fastopen(char *buf, int size, int *saved_len, bool restore)
+{
+	int err = 0, fd, len;
+
+	fd = open("/proc/sys/net/ipv4/tcp_fastopen", O_RDWR);
+	if (!ASSERT_NEQ(fd, -1, "open"))
+		return -1;
+
+	if (restore) {
+		len = write(fd, buf, *saved_len);
+		if (!ASSERT_EQ(len, *saved_len, "write - restore"))
+			err = -1;
+	} else {
+		*saved_len = read(fd, buf, size);
+		if (!ASSERT_GE(*saved_len, 1, "read")) {
+			err = -1;
+			goto close;
+		}
+
+		err = lseek(fd, 0, SEEK_SET);
+		if (!ASSERT_OK(err, "lseek"))
+			goto close;
+
+		/* (TFO_CLIENT_ENABLE | TFO_SERVER_ENABLE |
+		 *  TFO_CLIENT_NO_COOKIE | TFO_SERVER_COOKIE_NOT_REQD)
+		 */
+		len = write(fd, "519", 3);
+		if (!ASSERT_EQ(len, 3, "write - setup"))
+			err = -1;
+	}
+
+close:
+	close(fd);
+
+	return err;
+}
+
+static int drop_ack(struct migrate_reuseport_test_case *test_case,
+		    struct test_migrate_reuseport *skel)
+{
+	if (test_case->family == AF_INET)
+		skel->bss->server_port = ((struct sockaddr_in *)
+					  &test_case->addr)->sin_port;
+	else
+		skel->bss->server_port = ((struct sockaddr_in6 *)
+					  &test_case->addr)->sin6_port;
+
+	test_case->link = bpf_program__attach_xdp(skel->progs.drop_ack,
+						  IFINDEX_LO);
+	if (!ASSERT_OK_PTR(test_case->link, "bpf_program__attach_xdp"))
+		return -1;
+
+	return 0;
+}
+
+static int pass_ack(struct migrate_reuseport_test_case *test_case)
+{
+	int err;
+
+	err = bpf_link__destroy(test_case->link);
+	if (!ASSERT_OK(err, "bpf_link__destroy"))
+		return -1;
+
+	test_case->link = NULL;
+
+	return 0;
+}
+
+static int start_servers(struct migrate_reuseport_test_case *test_case,
+			 struct test_migrate_reuseport *skel)
+{
+	int i, err, prog_fd, reuseport = 1, qlen = QLEN;
+
+	prog_fd = bpf_program__fd(skel->progs.migrate_reuseport);
+
+	make_sockaddr(test_case->family,
+		      test_case->family == AF_INET ? "127.0.0.1" : "::1", 0,
+		      &test_case->addr, &test_case->addrlen);
+
+	for (i = 0; i < NR_SERVERS; i++) {
+		test_case->servers[i] = socket(test_case->family, SOCK_STREAM,
+					       IPPROTO_TCP);
+		if (!ASSERT_NEQ(test_case->servers[i], -1, "socket"))
+			return -1;
+
+		err = setsockopt(test_case->servers[i], SOL_SOCKET,
+				 SO_REUSEPORT, &reuseport, sizeof(reuseport));
+		if (!ASSERT_OK(err, "setsockopt - SO_REUSEPORT"))
+			return -1;
+
+		err = bind(test_case->servers[i],
+			   (struct sockaddr *)&test_case->addr,
+			   test_case->addrlen);
+		if (!ASSERT_OK(err, "bind"))
+			return -1;
+
+		if (i == 0) {
+			err = setsockopt(test_case->servers[i], SOL_SOCKET,
+					 SO_ATTACH_REUSEPORT_EBPF,
+					 &prog_fd, sizeof(prog_fd));
+			if (!ASSERT_OK(err,
+				       "setsockopt - SO_ATTACH_REUSEPORT_EBPF"))
+				return -1;
+
+			err = getsockname(test_case->servers[i],
+					  (struct sockaddr *)&test_case->addr,
+					  &test_case->addrlen);
+			if (!ASSERT_OK(err, "getsockname"))
+				return -1;
+		}
+
+		if (test_case->fastopen) {
+			err = setsockopt(test_case->servers[i],
+					 SOL_TCP, TCP_FASTOPEN,
+					 &qlen, sizeof(qlen));
+			if (!ASSERT_OK(err, "setsockopt - TCP_FASTOPEN"))
+				return -1;
+		}
+
+		/* All requests will be tied to the first four listeners */
+		if (i != MIGRATED_TO) {
+			err = listen(test_case->servers[i], qlen);
+			if (!ASSERT_OK(err, "listen"))
+				return -1;
+		}
+	}
+
+	return 0;
+}
+
+static int start_clients(struct migrate_reuseport_test_case *test_case)
+{
+	char buf[MSGLEN] = MSG;
+	int i, err;
+
+	for (i = 0; i < NR_CLIENTS; i++) {
+		test_case->clients[i] = socket(test_case->family, SOCK_STREAM,
+					       IPPROTO_TCP);
+		if (!ASSERT_NEQ(test_case->clients[i], -1, "socket"))
+			return -1;
+
+		/* The attached XDP program drops only the final ACK, so
+		 * clients will transition to TCP_ESTABLISHED immediately.
+		 */
+		err = settimeo(test_case->clients[i], 100);
+		if (!ASSERT_OK(err, "settimeo"))
+			return -1;
+
+		if (test_case->fastopen) {
+			int fastopen = 1;
+
+			err = setsockopt(test_case->clients[i], IPPROTO_TCP,
+					 TCP_FASTOPEN_CONNECT, &fastopen,
+					 sizeof(fastopen));
+			if (!ASSERT_OK(err,
+				       "setsockopt - TCP_FASTOPEN_CONNECT"))
+				return -1;
+		}
+
+		err = connect(test_case->clients[i],
+			      (struct sockaddr *)&test_case->addr,
+			      test_case->addrlen);
+		if (!ASSERT_OK(err, "connect"))
+			return -1;
+
+		err = write(test_case->clients[i], buf, MSGLEN);
+		if (!ASSERT_EQ(err, MSGLEN, "write"))
+			return -1;
+	}
+
+	return 0;
+}
+
+static int update_maps(struct migrate_reuseport_test_case *test_case,
+		       struct test_migrate_reuseport *skel)
+{
+	int i, err, migrated_to = MIGRATED_TO;
+	int reuseport_map_fd, migrate_map_fd;
+	__u64 value;
+
+	reuseport_map_fd = bpf_map__fd(skel->maps.reuseport_map);
+	migrate_map_fd = bpf_map__fd(skel->maps.migrate_map);
+
+	for (i = 0; i < NR_SERVERS; i++) {
+		value = (__u64)test_case->servers[i];
+		err = bpf_map_update_elem(reuseport_map_fd, &i, &value,
+					  BPF_NOEXIST);
+		if (!ASSERT_OK(err, "bpf_map_update_elem - reuseport_map"))
+			return -1;
+
+		err = bpf_map_lookup_elem(reuseport_map_fd, &i, &value);
+		if (!ASSERT_OK(err, "bpf_map_lookup_elem - reuseport_map"))
+			return -1;
+
+		err = bpf_map_update_elem(migrate_map_fd, &value, &migrated_to,
+					  BPF_NOEXIST);
+		if (!ASSERT_OK(err, "bpf_map_update_elem - migrate_map"))
+			return -1;
+	}
+
+	return 0;
+}
+
+static int migrate_dance(struct migrate_reuseport_test_case *test_case)
+{
+	int i, err;
+
+	/* Migrate TCP_ESTABLISHED and TCP_SYN_RECV requests
+	 * to the last listener based on eBPF.
+	 */
+	for (i = 0; i < MIGRATED_TO; i++) {
+		err = shutdown(test_case->servers[i], SHUT_RDWR);
+		if (!ASSERT_OK(err, "shutdown"))
+			return -1;
+	}
+
+	/* No dance for TCP_NEW_SYN_RECV to migrate based on eBPF */
+	if (test_case->state == BPF_TCP_NEW_SYN_RECV)
+		return 0;
+
+	/* Note that we use the second listener instead of the
+	 * first one here.
+	 *
+	 * The fist listener is bind()ed with port 0 and,
+	 * SOCK_BINDPORT_LOCK is not set to sk_userlocks, so
+	 * calling listen() again will bind() the first listener
+	 * on a new ephemeral port and detach it from the existing
+	 * reuseport group.  (See: __inet_bind(), tcp_set_state())
+	 *
+	 * OTOH, the second one is bind()ed with a specific port,
+	 * and SOCK_BINDPORT_LOCK is set. Thus, re-listen() will
+	 * resurrect the listener on the existing reuseport group.
+	 */
+	err = listen(test_case->servers[1], QLEN);
+	if (!ASSERT_OK(err, "listen"))
+		return -1;
+
+	/* Migrate from the last listener to the second one.
+	 *
+	 * All listeners were detached out of the reuseport_map,
+	 * so migration will be done by kernel random pick from here.
+	 */
+	err = shutdown(test_case->servers[MIGRATED_TO], SHUT_RDWR);
+	if (!ASSERT_OK(err, "shutdown"))
+		return -1;
+
+	/* Back to the existing reuseport group */
+	err = listen(test_case->servers[MIGRATED_TO], QLEN);
+	if (!ASSERT_OK(err, "listen"))
+		return -1;
+
+	/* Migrate back to the last one from the second one */
+	err = shutdown(test_case->servers[1], SHUT_RDWR);
+	if (!ASSERT_OK(err, "shutdown"))
+		return -1;
+
+	return 0;
+}
+
+static void count_requests(struct migrate_reuseport_test_case *test_case,
+			   struct test_migrate_reuseport *skel)
+{
+	struct sockaddr_storage addr;
+	socklen_t len = sizeof(addr);
+	int err, cnt = 0, client;
+	char buf[MSGLEN];
+
+	err = settimeo(test_case->servers[MIGRATED_TO], 4000);
+	if (!ASSERT_OK(err, "settimeo"))
+		goto out;
+
+	for (; cnt < NR_CLIENTS; cnt++) {
+		client = accept(test_case->servers[MIGRATED_TO],
+				(struct sockaddr *)&addr, &len);
+		if (!ASSERT_NEQ(client, -1, "accept"))
+			goto out;
+
+		memset(buf, 0, MSGLEN);
+		read(client, &buf, MSGLEN);
+		close(client);
+
+		if (!ASSERT_STREQ(buf, MSG, "read"))
+			goto out;
+	}
+
+out:
+	ASSERT_EQ(cnt, NR_CLIENTS, "count in userspace");
+
+	switch (test_case->state) {
+	case BPF_TCP_ESTABLISHED:
+		cnt = skel->bss->migrated_at_close;
+		break;
+	case BPF_TCP_SYN_RECV:
+		cnt = skel->bss->migrated_at_close_fastopen;
+		break;
+	case BPF_TCP_NEW_SYN_RECV:
+		if (test_case->expire_synack_timer)
+			cnt = skel->bss->migrated_at_send_synack;
+		else
+			cnt = skel->bss->migrated_at_recv_ack;
+		break;
+	default:
+		cnt = 0;
+	}
+
+	ASSERT_EQ(cnt, NR_CLIENTS, "count in BPF prog");
+}
+
+static void run_test(struct migrate_reuseport_test_case *test_case,
+		     struct test_migrate_reuseport *skel)
+{
+	int err, saved_len;
+	char buf[16];
+
+	skel->bss->migrated_at_close = 0;
+	skel->bss->migrated_at_close_fastopen = 0;
+	skel->bss->migrated_at_send_synack = 0;
+	skel->bss->migrated_at_recv_ack = 0;
+
+	init_fds(test_case->servers, NR_SERVERS);
+	init_fds(test_case->clients, NR_CLIENTS);
+
+	if (test_case->fastopen) {
+		memset(buf, 0, sizeof(buf));
+
+		err = setup_fastopen(buf, sizeof(buf), &saved_len, false);
+		if (!ASSERT_OK(err, "setup_fastopen - setup"))
+			return;
+	}
+
+	err = start_servers(test_case, skel);
+	if (!ASSERT_OK(err, "start_servers"))
+		goto close_servers;
+
+	if (test_case->drop_ack) {
+		/* Drop the final ACK of the 3-way handshake and stick the
+		 * in-flight requests on TCP_SYN_RECV or TCP_NEW_SYN_RECV.
+		 */
+		err = drop_ack(test_case, skel);
+		if (!ASSERT_OK(err, "drop_ack"))
+			goto close_servers;
+	}
+
+	/* Tie requests to the first four listners */
+	err = start_clients(test_case);
+	if (!ASSERT_OK(err, "start_clients"))
+		goto close_clients;
+
+	err = listen(test_case->servers[MIGRATED_TO], QLEN);
+	if (!ASSERT_OK(err, "listen"))
+		goto close_clients;
+
+	err = update_maps(test_case, skel);
+	if (!ASSERT_OK(err, "fill_maps"))
+		goto close_clients;
+
+	/* Migrate the requests in the accept queue only.
+	 * TCP_NEW_SYN_RECV requests are not migrated at this point.
+	 */
+	err = migrate_dance(test_case);
+	if (!ASSERT_OK(err, "migrate_dance"))
+		goto close_clients;
+
+	if (test_case->expire_synack_timer) {
+		/* Wait for SYN+ACK timers to expire so that
+		 * reqsk_timer_handler() migrates TCP_NEW_SYN_RECV requests.
+		 */
+		sleep(1);
+	}
+
+	if (test_case->link) {
+		/* Resume 3WHS and migrate TCP_NEW_SYN_RECV requests */
+		err = pass_ack(test_case);
+		if (!ASSERT_OK(err, "pass_ack"))
+			goto close_clients;
+	}
+
+	count_requests(test_case, skel);
+
+close_clients:
+	close_fds(test_case->clients, NR_CLIENTS);
+
+	if (test_case->link) {
+		err = pass_ack(test_case);
+		ASSERT_OK(err, "pass_ack - clean up");
+	}
+
+close_servers:
+	close_fds(test_case->servers, NR_SERVERS);
+
+	if (test_case->fastopen) {
+		err = setup_fastopen(buf, sizeof(buf), &saved_len, true);
+		ASSERT_OK(err, "setup_fastopen - restore");
+	}
+}
+
+void serial_test_migrate_reuseport(void)
+{
+	struct test_migrate_reuseport *skel;
+	int i;
+
+	skel = test_migrate_reuseport__open_and_load();
+	if (!ASSERT_OK_PTR(skel, "open_and_load"))
+		return;
+
+	for (i = 0; i < ARRAY_SIZE(test_cases); i++) {
+		test__start_subtest(test_cases[i].name);
+		run_test(&test_cases[i], skel);
+	}
+
+	test_migrate_reuseport__destroy(skel);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/mmap.c b/tools/testing/selftests/bpf/prog_tests/mmap.c
new file mode 100644
index 000000000..37b002ca1
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/mmap.c
@@ -0,0 +1,304 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <test_progs.h>
+#include <sys/mman.h>
+#include "test_mmap.skel.h"
+
+struct map_data {
+	__u64 val[512 * 4];
+};
+
+static size_t roundup_page(size_t sz)
+{
+	long page_size = sysconf(_SC_PAGE_SIZE);
+	return (sz + page_size - 1) / page_size * page_size;
+}
+
+void test_mmap(void)
+{
+	const size_t bss_sz = roundup_page(sizeof(struct test_mmap__bss));
+	const size_t map_sz = roundup_page(sizeof(struct map_data));
+	const int zero = 0, one = 1, two = 2, far = 1500;
+	const long page_size = sysconf(_SC_PAGE_SIZE);
+	int err, duration = 0, i, data_map_fd, data_map_id, tmp_fd, rdmap_fd;
+	struct bpf_map *data_map, *bss_map;
+	void *bss_mmaped = NULL, *map_mmaped = NULL, *tmp0, *tmp1, *tmp2;
+	struct test_mmap__bss *bss_data;
+	struct bpf_map_info map_info;
+	__u32 map_info_sz = sizeof(map_info);
+	struct map_data *map_data;
+	struct test_mmap *skel;
+	__u64 val = 0;
+
+	skel = test_mmap__open();
+	if (CHECK(!skel, "skel_open", "skeleton open failed\n"))
+		return;
+
+	err = bpf_map__set_max_entries(skel->maps.rdonly_map, page_size);
+	if (CHECK(err != 0, "bpf_map__set_max_entries", "bpf_map__set_max_entries failed\n"))
+		goto cleanup;
+
+	/* at least 4 pages of data */
+	err = bpf_map__set_max_entries(skel->maps.data_map,
+				       4 * (page_size / sizeof(u64)));
+	if (CHECK(err != 0, "bpf_map__set_max_entries", "bpf_map__set_max_entries failed\n"))
+		goto cleanup;
+
+	err = test_mmap__load(skel);
+	if (CHECK(err != 0, "skel_load", "skeleton load failed\n"))
+		goto cleanup;
+
+	bss_map = skel->maps.bss;
+	data_map = skel->maps.data_map;
+	data_map_fd = bpf_map__fd(data_map);
+
+	rdmap_fd = bpf_map__fd(skel->maps.rdonly_map);
+	tmp1 = mmap(NULL, page_size, PROT_READ | PROT_WRITE, MAP_SHARED, rdmap_fd, 0);
+	if (CHECK(tmp1 != MAP_FAILED, "rdonly_write_mmap", "unexpected success\n")) {
+		munmap(tmp1, page_size);
+		goto cleanup;
+	}
+	/* now double-check if it's mmap()'able at all */
+	tmp1 = mmap(NULL, page_size, PROT_READ, MAP_SHARED, rdmap_fd, 0);
+	if (CHECK(tmp1 == MAP_FAILED, "rdonly_read_mmap", "failed: %d\n", errno))
+		goto cleanup;
+
+	/* get map's ID */
+	memset(&map_info, 0, map_info_sz);
+	err = bpf_obj_get_info_by_fd(data_map_fd, &map_info, &map_info_sz);
+	if (CHECK(err, "map_get_info", "failed %d\n", errno))
+		goto cleanup;
+	data_map_id = map_info.id;
+
+	/* mmap BSS map */
+	bss_mmaped = mmap(NULL, bss_sz, PROT_READ | PROT_WRITE, MAP_SHARED,
+			  bpf_map__fd(bss_map), 0);
+	if (CHECK(bss_mmaped == MAP_FAILED, "bss_mmap",
+		  ".bss mmap failed: %d\n", errno)) {
+		bss_mmaped = NULL;
+		goto cleanup;
+	}
+	/* map as R/W first */
+	map_mmaped = mmap(NULL, map_sz, PROT_READ | PROT_WRITE, MAP_SHARED,
+			  data_map_fd, 0);
+	if (CHECK(map_mmaped == MAP_FAILED, "data_mmap",
+		  "data_map mmap failed: %d\n", errno)) {
+		map_mmaped = NULL;
+		goto cleanup;
+	}
+
+	bss_data = bss_mmaped;
+	map_data = map_mmaped;
+
+	CHECK_FAIL(bss_data->in_val);
+	CHECK_FAIL(bss_data->out_val);
+	CHECK_FAIL(skel->bss->in_val);
+	CHECK_FAIL(skel->bss->out_val);
+	CHECK_FAIL(map_data->val[0]);
+	CHECK_FAIL(map_data->val[1]);
+	CHECK_FAIL(map_data->val[2]);
+	CHECK_FAIL(map_data->val[far]);
+
+	err = test_mmap__attach(skel);
+	if (CHECK(err, "attach_raw_tp", "err %d\n", err))
+		goto cleanup;
+
+	bss_data->in_val = 123;
+	val = 111;
+	CHECK_FAIL(bpf_map_update_elem(data_map_fd, &zero, &val, 0));
+
+	usleep(1);
+
+	CHECK_FAIL(bss_data->in_val != 123);
+	CHECK_FAIL(bss_data->out_val != 123);
+	CHECK_FAIL(skel->bss->in_val != 123);
+	CHECK_FAIL(skel->bss->out_val != 123);
+	CHECK_FAIL(map_data->val[0] != 111);
+	CHECK_FAIL(map_data->val[1] != 222);
+	CHECK_FAIL(map_data->val[2] != 123);
+	CHECK_FAIL(map_data->val[far] != 3 * 123);
+
+	CHECK_FAIL(bpf_map_lookup_elem(data_map_fd, &zero, &val));
+	CHECK_FAIL(val != 111);
+	CHECK_FAIL(bpf_map_lookup_elem(data_map_fd, &one, &val));
+	CHECK_FAIL(val != 222);
+	CHECK_FAIL(bpf_map_lookup_elem(data_map_fd, &two, &val));
+	CHECK_FAIL(val != 123);
+	CHECK_FAIL(bpf_map_lookup_elem(data_map_fd, &far, &val));
+	CHECK_FAIL(val != 3 * 123);
+
+	/* data_map freeze should fail due to R/W mmap() */
+	err = bpf_map_freeze(data_map_fd);
+	if (CHECK(!err || errno != EBUSY, "no_freeze",
+		  "data_map freeze succeeded: err=%d, errno=%d\n", err, errno))
+		goto cleanup;
+
+	err = mprotect(map_mmaped, map_sz, PROT_READ);
+	if (CHECK(err, "mprotect_ro", "mprotect to r/o failed %d\n", errno))
+		goto cleanup;
+
+	/* unmap R/W mapping */
+	err = munmap(map_mmaped, map_sz);
+	map_mmaped = NULL;
+	if (CHECK(err, "data_map_munmap", "data_map munmap failed: %d\n", errno))
+		goto cleanup;
+
+	/* re-map as R/O now */
+	map_mmaped = mmap(NULL, map_sz, PROT_READ, MAP_SHARED, data_map_fd, 0);
+	if (CHECK(map_mmaped == MAP_FAILED, "data_mmap",
+		  "data_map R/O mmap failed: %d\n", errno)) {
+		map_mmaped = NULL;
+		goto cleanup;
+	}
+	err = mprotect(map_mmaped, map_sz, PROT_WRITE);
+	if (CHECK(!err, "mprotect_wr", "mprotect() succeeded unexpectedly!\n"))
+		goto cleanup;
+	err = mprotect(map_mmaped, map_sz, PROT_EXEC);
+	if (CHECK(!err, "mprotect_ex", "mprotect() succeeded unexpectedly!\n"))
+		goto cleanup;
+	map_data = map_mmaped;
+
+	/* map/unmap in a loop to test ref counting */
+	for (i = 0; i < 10; i++) {
+		int flags = i % 2 ? PROT_READ : PROT_WRITE;
+		void *p;
+
+		p = mmap(NULL, map_sz, flags, MAP_SHARED, data_map_fd, 0);
+		if (CHECK_FAIL(p == MAP_FAILED))
+			goto cleanup;
+		err = munmap(p, map_sz);
+		if (CHECK_FAIL(err))
+			goto cleanup;
+	}
+
+	/* data_map freeze should now succeed due to no R/W mapping */
+	err = bpf_map_freeze(data_map_fd);
+	if (CHECK(err, "freeze", "data_map freeze failed: err=%d, errno=%d\n",
+		  err, errno))
+		goto cleanup;
+
+	/* mapping as R/W now should fail */
+	tmp1 = mmap(NULL, map_sz, PROT_READ | PROT_WRITE, MAP_SHARED,
+		    data_map_fd, 0);
+	if (CHECK(tmp1 != MAP_FAILED, "data_mmap", "mmap succeeded\n")) {
+		munmap(tmp1, map_sz);
+		goto cleanup;
+	}
+
+	bss_data->in_val = 321;
+	usleep(1);
+	CHECK_FAIL(bss_data->in_val != 321);
+	CHECK_FAIL(bss_data->out_val != 321);
+	CHECK_FAIL(skel->bss->in_val != 321);
+	CHECK_FAIL(skel->bss->out_val != 321);
+	CHECK_FAIL(map_data->val[0] != 111);
+	CHECK_FAIL(map_data->val[1] != 222);
+	CHECK_FAIL(map_data->val[2] != 321);
+	CHECK_FAIL(map_data->val[far] != 3 * 321);
+
+	/* check some more advanced mmap() manipulations */
+
+	tmp0 = mmap(NULL, 4 * page_size, PROT_READ, MAP_SHARED | MAP_ANONYMOUS,
+			  -1, 0);
+	if (CHECK(tmp0 == MAP_FAILED, "adv_mmap0", "errno %d\n", errno))
+		goto cleanup;
+
+	/* map all but last page: pages 1-3 mapped */
+	tmp1 = mmap(tmp0, 3 * page_size, PROT_READ, MAP_SHARED | MAP_FIXED,
+			  data_map_fd, 0);
+	if (CHECK(tmp0 != tmp1, "adv_mmap1", "tmp0: %p, tmp1: %p\n", tmp0, tmp1)) {
+		munmap(tmp0, 4 * page_size);
+		goto cleanup;
+	}
+
+	/* unmap second page: pages 1, 3 mapped */
+	err = munmap(tmp1 + page_size, page_size);
+	if (CHECK(err, "adv_mmap2", "errno %d\n", errno)) {
+		munmap(tmp1, 4 * page_size);
+		goto cleanup;
+	}
+
+	/* map page 2 back */
+	tmp2 = mmap(tmp1 + page_size, page_size, PROT_READ,
+		    MAP_SHARED | MAP_FIXED, data_map_fd, 0);
+	if (CHECK(tmp2 == MAP_FAILED, "adv_mmap3", "errno %d\n", errno)) {
+		munmap(tmp1, page_size);
+		munmap(tmp1 + 2*page_size, 2 * page_size);
+		goto cleanup;
+	}
+	CHECK(tmp1 + page_size != tmp2, "adv_mmap4",
+	      "tmp1: %p, tmp2: %p\n", tmp1, tmp2);
+
+	/* re-map all 4 pages */
+	tmp2 = mmap(tmp1, 4 * page_size, PROT_READ, MAP_SHARED | MAP_FIXED,
+		    data_map_fd, 0);
+	if (CHECK(tmp2 == MAP_FAILED, "adv_mmap5", "errno %d\n", errno)) {
+		munmap(tmp1, 4 * page_size); /* unmap page 1 */
+		goto cleanup;
+	}
+	CHECK(tmp1 != tmp2, "adv_mmap6", "tmp1: %p, tmp2: %p\n", tmp1, tmp2);
+
+	map_data = tmp2;
+	CHECK_FAIL(bss_data->in_val != 321);
+	CHECK_FAIL(bss_data->out_val != 321);
+	CHECK_FAIL(skel->bss->in_val != 321);
+	CHECK_FAIL(skel->bss->out_val != 321);
+	CHECK_FAIL(map_data->val[0] != 111);
+	CHECK_FAIL(map_data->val[1] != 222);
+	CHECK_FAIL(map_data->val[2] != 321);
+	CHECK_FAIL(map_data->val[far] != 3 * 321);
+
+	munmap(tmp2, 4 * page_size);
+
+	/* map all 4 pages, but with pg_off=1 page, should fail */
+	tmp1 = mmap(NULL, 4 * page_size, PROT_READ, MAP_SHARED | MAP_FIXED,
+		    data_map_fd, page_size /* initial page shift */);
+	if (CHECK(tmp1 != MAP_FAILED, "adv_mmap7", "unexpected success")) {
+		munmap(tmp1, 4 * page_size);
+		goto cleanup;
+	}
+
+	tmp1 = mmap(NULL, map_sz, PROT_READ, MAP_SHARED, data_map_fd, 0);
+	if (CHECK(tmp1 == MAP_FAILED, "last_mmap", "failed %d\n", errno))
+		goto cleanup;
+
+	test_mmap__destroy(skel);
+	skel = NULL;
+	CHECK_FAIL(munmap(bss_mmaped, bss_sz));
+	bss_mmaped = NULL;
+	CHECK_FAIL(munmap(map_mmaped, map_sz));
+	map_mmaped = NULL;
+
+	/* map should be still held by active mmap */
+	tmp_fd = bpf_map_get_fd_by_id(data_map_id);
+	if (CHECK(tmp_fd < 0, "get_map_by_id", "failed %d\n", errno)) {
+		munmap(tmp1, map_sz);
+		goto cleanup;
+	}
+	close(tmp_fd);
+
+	/* this should release data map finally */
+	munmap(tmp1, map_sz);
+
+	/* we need to wait for RCU grace period */
+	for (i = 0; i < 10000; i++) {
+		__u32 id = data_map_id - 1;
+		if (bpf_map_get_next_id(id, &id) || id > data_map_id)
+			break;
+		usleep(1);
+	}
+
+	/* should fail to get map FD by non-existing ID */
+	tmp_fd = bpf_map_get_fd_by_id(data_map_id);
+	if (CHECK(tmp_fd >= 0, "get_map_by_id_after",
+		  "unexpectedly succeeded %d\n", tmp_fd)) {
+		close(tmp_fd);
+		goto cleanup;
+	}
+
+cleanup:
+	if (bss_mmaped)
+		CHECK_FAIL(munmap(bss_mmaped, bss_sz));
+	if (map_mmaped)
+		CHECK_FAIL(munmap(map_mmaped, map_sz));
+	test_mmap__destroy(skel);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/modify_return.c b/tools/testing/selftests/bpf/prog_tests/modify_return.c
new file mode 100644
index 000000000..5d9955af6
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/modify_return.c
@@ -0,0 +1,57 @@
+// SPDX-License-Identifier: GPL-2.0
+
+/*
+ * Copyright 2020 Google LLC.
+ */
+
+#include <test_progs.h>
+#include "modify_return.skel.h"
+
+#define LOWER(x) ((x) & 0xffff)
+#define UPPER(x) ((x) >> 16)
+
+
+static void run_test(__u32 input_retval, __u16 want_side_effect, __s16 want_ret)
+{
+	struct modify_return *skel = NULL;
+	int err, prog_fd;
+	__u16 side_effect;
+	__s16 ret;
+	LIBBPF_OPTS(bpf_test_run_opts, topts);
+
+	skel = modify_return__open_and_load();
+	if (!ASSERT_OK_PTR(skel, "skel_load"))
+		goto cleanup;
+
+	err = modify_return__attach(skel);
+	if (!ASSERT_OK(err, "modify_return__attach failed"))
+		goto cleanup;
+
+	skel->bss->input_retval = input_retval;
+	prog_fd = bpf_program__fd(skel->progs.fmod_ret_test);
+	err = bpf_prog_test_run_opts(prog_fd, &topts);
+	ASSERT_OK(err, "test_run");
+
+	side_effect = UPPER(topts.retval);
+	ret = LOWER(topts.retval);
+
+	ASSERT_EQ(ret, want_ret, "test_run ret");
+	ASSERT_EQ(side_effect, want_side_effect, "modify_return side_effect");
+	ASSERT_EQ(skel->bss->fentry_result, 1, "modify_return fentry_result");
+	ASSERT_EQ(skel->bss->fexit_result, 1, "modify_return fexit_result");
+	ASSERT_EQ(skel->bss->fmod_ret_result, 1, "modify_return fmod_ret_result");
+
+cleanup:
+	modify_return__destroy(skel);
+}
+
+/* TODO: conflict with get_func_ip_test */
+void serial_test_modify_return(void)
+{
+	run_test(0 /* input_retval */,
+		 1 /* want_side_effect */,
+		 4 /* want_ret */);
+	run_test(-EINVAL /* input_retval */,
+		 0 /* want_side_effect */,
+		 -EINVAL /* want_ret */);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/module_attach.c b/tools/testing/selftests/bpf/prog_tests/module_attach.c
new file mode 100644
index 000000000..6d0e50dcf
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/module_attach.c
@@ -0,0 +1,108 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2020 Facebook */
+
+#include <test_progs.h>
+#include <stdbool.h>
+#include "test_module_attach.skel.h"
+
+static int duration;
+
+static int trigger_module_test_writable(int *val)
+{
+	int fd, err;
+	char buf[65];
+	ssize_t rd;
+
+	fd = open(BPF_TESTMOD_TEST_FILE, O_RDONLY);
+	err = -errno;
+	if (!ASSERT_GE(fd, 0, "testmode_file_open"))
+		return err;
+
+	rd = read(fd, buf, sizeof(buf) - 1);
+	err = -errno;
+	if (!ASSERT_GT(rd, 0, "testmod_file_rd_val")) {
+		close(fd);
+		return err;
+	}
+
+	buf[rd] = '\0';
+	*val = strtol(buf, NULL, 0);
+	close(fd);
+
+	return 0;
+}
+
+static int delete_module(const char *name, int flags)
+{
+	return syscall(__NR_delete_module, name, flags);
+}
+
+void test_module_attach(void)
+{
+	const int READ_SZ = 456;
+	const int WRITE_SZ = 457;
+	struct test_module_attach* skel;
+	struct test_module_attach__bss *bss;
+	struct bpf_link *link;
+	int err;
+	int writable_val = 0;
+
+	skel = test_module_attach__open();
+	if (CHECK(!skel, "skel_open", "failed to open skeleton\n"))
+		return;
+
+	err = bpf_program__set_attach_target(skel->progs.handle_fentry_manual,
+					     0, "bpf_testmod_test_read");
+	ASSERT_OK(err, "set_attach_target");
+
+	err = test_module_attach__load(skel);
+	if (CHECK(err, "skel_load", "failed to load skeleton\n"))
+		return;
+
+	bss = skel->bss;
+
+	err = test_module_attach__attach(skel);
+	if (CHECK(err, "skel_attach", "skeleton attach failed: %d\n", err))
+		goto cleanup;
+
+	/* trigger tracepoint */
+	ASSERT_OK(trigger_module_test_read(READ_SZ), "trigger_read");
+	ASSERT_OK(trigger_module_test_write(WRITE_SZ), "trigger_write");
+
+	ASSERT_EQ(bss->raw_tp_read_sz, READ_SZ, "raw_tp");
+	ASSERT_EQ(bss->raw_tp_bare_write_sz, WRITE_SZ, "raw_tp_bare");
+	ASSERT_EQ(bss->tp_btf_read_sz, READ_SZ, "tp_btf");
+	ASSERT_EQ(bss->fentry_read_sz, READ_SZ, "fentry");
+	ASSERT_EQ(bss->fentry_manual_read_sz, READ_SZ, "fentry_manual");
+	ASSERT_EQ(bss->fexit_read_sz, READ_SZ, "fexit");
+	ASSERT_EQ(bss->fexit_ret, -EIO, "fexit_tet");
+	ASSERT_EQ(bss->fmod_ret_read_sz, READ_SZ, "fmod_ret");
+
+	bss->raw_tp_writable_bare_early_ret = true;
+	bss->raw_tp_writable_bare_out_val = 0xf1f2f3f4;
+	ASSERT_OK(trigger_module_test_writable(&writable_val),
+		  "trigger_writable");
+	ASSERT_EQ(bss->raw_tp_writable_bare_in_val, 1024, "writable_test_in");
+	ASSERT_EQ(bss->raw_tp_writable_bare_out_val, writable_val,
+		  "writable_test_out");
+
+	test_module_attach__detach(skel);
+
+	/* attach fentry/fexit and make sure it get's module reference */
+	link = bpf_program__attach(skel->progs.handle_fentry);
+	if (!ASSERT_OK_PTR(link, "attach_fentry"))
+		goto cleanup;
+
+	ASSERT_ERR(delete_module("bpf_testmod", 0), "delete_module");
+	bpf_link__destroy(link);
+
+	link = bpf_program__attach(skel->progs.handle_fexit);
+	if (!ASSERT_OK_PTR(link, "attach_fexit"))
+		goto cleanup;
+
+	ASSERT_ERR(delete_module("bpf_testmod", 0), "delete_module");
+	bpf_link__destroy(link);
+
+cleanup:
+	test_module_attach__destroy(skel);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/mptcp.c b/tools/testing/selftests/bpf/prog_tests/mptcp.c
new file mode 100644
index 000000000..59f08d6d1
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/mptcp.c
@@ -0,0 +1,174 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2020, Tessares SA. */
+/* Copyright (c) 2022, SUSE. */
+
+#include <test_progs.h>
+#include "cgroup_helpers.h"
+#include "network_helpers.h"
+#include "mptcp_sock.skel.h"
+
+#ifndef TCP_CA_NAME_MAX
+#define TCP_CA_NAME_MAX	16
+#endif
+
+struct mptcp_storage {
+	__u32 invoked;
+	__u32 is_mptcp;
+	struct sock *sk;
+	__u32 token;
+	struct sock *first;
+	char ca_name[TCP_CA_NAME_MAX];
+};
+
+static int verify_tsk(int map_fd, int client_fd)
+{
+	int err, cfd = client_fd;
+	struct mptcp_storage val;
+
+	err = bpf_map_lookup_elem(map_fd, &cfd, &val);
+	if (!ASSERT_OK(err, "bpf_map_lookup_elem"))
+		return err;
+
+	if (!ASSERT_EQ(val.invoked, 1, "unexpected invoked count"))
+		err++;
+
+	if (!ASSERT_EQ(val.is_mptcp, 0, "unexpected is_mptcp"))
+		err++;
+
+	return err;
+}
+
+static void get_msk_ca_name(char ca_name[])
+{
+	size_t len;
+	int fd;
+
+	fd = open("/proc/sys/net/ipv4/tcp_congestion_control", O_RDONLY);
+	if (!ASSERT_GE(fd, 0, "failed to open tcp_congestion_control"))
+		return;
+
+	len = read(fd, ca_name, TCP_CA_NAME_MAX);
+	if (!ASSERT_GT(len, 0, "failed to read ca_name"))
+		goto err;
+
+	if (len > 0 && ca_name[len - 1] == '\n')
+		ca_name[len - 1] = '\0';
+
+err:
+	close(fd);
+}
+
+static int verify_msk(int map_fd, int client_fd, __u32 token)
+{
+	char ca_name[TCP_CA_NAME_MAX];
+	int err, cfd = client_fd;
+	struct mptcp_storage val;
+
+	if (!ASSERT_GT(token, 0, "invalid token"))
+		return -1;
+
+	get_msk_ca_name(ca_name);
+
+	err = bpf_map_lookup_elem(map_fd, &cfd, &val);
+	if (!ASSERT_OK(err, "bpf_map_lookup_elem"))
+		return err;
+
+	if (!ASSERT_EQ(val.invoked, 1, "unexpected invoked count"))
+		err++;
+
+	if (!ASSERT_EQ(val.is_mptcp, 1, "unexpected is_mptcp"))
+		err++;
+
+	if (!ASSERT_EQ(val.token, token, "unexpected token"))
+		err++;
+
+	if (!ASSERT_EQ(val.first, val.sk, "unexpected first"))
+		err++;
+
+	if (!ASSERT_STRNEQ(val.ca_name, ca_name, TCP_CA_NAME_MAX, "unexpected ca_name"))
+		err++;
+
+	return err;
+}
+
+static int run_test(int cgroup_fd, int server_fd, bool is_mptcp)
+{
+	int client_fd, prog_fd, map_fd, err;
+	struct mptcp_sock *sock_skel;
+
+	sock_skel = mptcp_sock__open_and_load();
+	if (!ASSERT_OK_PTR(sock_skel, "skel_open_load"))
+		return -EIO;
+
+	err = mptcp_sock__attach(sock_skel);
+	if (!ASSERT_OK(err, "skel_attach"))
+		goto out;
+
+	prog_fd = bpf_program__fd(sock_skel->progs._sockops);
+	if (!ASSERT_GE(prog_fd, 0, "bpf_program__fd")) {
+		err = -EIO;
+		goto out;
+	}
+
+	map_fd = bpf_map__fd(sock_skel->maps.socket_storage_map);
+	if (!ASSERT_GE(map_fd, 0, "bpf_map__fd")) {
+		err = -EIO;
+		goto out;
+	}
+
+	err = bpf_prog_attach(prog_fd, cgroup_fd, BPF_CGROUP_SOCK_OPS, 0);
+	if (!ASSERT_OK(err, "bpf_prog_attach"))
+		goto out;
+
+	client_fd = connect_to_fd(server_fd, 0);
+	if (!ASSERT_GE(client_fd, 0, "connect to fd")) {
+		err = -EIO;
+		goto out;
+	}
+
+	err += is_mptcp ? verify_msk(map_fd, client_fd, sock_skel->bss->token) :
+			  verify_tsk(map_fd, client_fd);
+
+	close(client_fd);
+
+out:
+	mptcp_sock__destroy(sock_skel);
+	return err;
+}
+
+static void test_base(void)
+{
+	int server_fd, cgroup_fd;
+
+	cgroup_fd = test__join_cgroup("/mptcp");
+	if (!ASSERT_GE(cgroup_fd, 0, "test__join_cgroup"))
+		return;
+
+	/* without MPTCP */
+	server_fd = start_server(AF_INET, SOCK_STREAM, NULL, 0, 0);
+	if (!ASSERT_GE(server_fd, 0, "start_server"))
+		goto with_mptcp;
+
+	ASSERT_OK(run_test(cgroup_fd, server_fd, false), "run_test tcp");
+
+	close(server_fd);
+
+with_mptcp:
+	/* with MPTCP */
+	server_fd = start_mptcp_server(AF_INET, NULL, 0, 0);
+	if (!ASSERT_GE(server_fd, 0, "start_mptcp_server"))
+		goto close_cgroup_fd;
+
+	ASSERT_OK(run_test(cgroup_fd, server_fd, true), "run_test mptcp");
+
+	close(server_fd);
+
+close_cgroup_fd:
+	close(cgroup_fd);
+}
+
+void test_mptcp(void)
+{
+	if (test__start_subtest("base"))
+		test_base();
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/netcnt.c b/tools/testing/selftests/bpf/prog_tests/netcnt.c
new file mode 100644
index 000000000..d3915c58d
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/netcnt.c
@@ -0,0 +1,82 @@
+// SPDX-License-Identifier: GPL-2.0
+
+#include <sys/sysinfo.h>
+#include <test_progs.h>
+#include "network_helpers.h"
+#include "netcnt_prog.skel.h"
+#include "netcnt_common.h"
+
+#define CG_NAME "/netcnt"
+
+void serial_test_netcnt(void)
+{
+	union percpu_net_cnt *percpu_netcnt = NULL;
+	struct bpf_cgroup_storage_key key;
+	int map_fd, percpu_map_fd;
+	struct netcnt_prog *skel;
+	unsigned long packets;
+	union net_cnt netcnt;
+	unsigned long bytes;
+	int cpu, nproc;
+	int cg_fd = -1;
+	char cmd[128];
+
+	skel = netcnt_prog__open_and_load();
+	if (!ASSERT_OK_PTR(skel, "netcnt_prog__open_and_load"))
+		return;
+
+	nproc = bpf_num_possible_cpus();
+	percpu_netcnt = malloc(sizeof(*percpu_netcnt) * nproc);
+	if (!ASSERT_OK_PTR(percpu_netcnt, "malloc(percpu_netcnt)"))
+		goto err;
+
+	cg_fd = test__join_cgroup(CG_NAME);
+	if (!ASSERT_GE(cg_fd, 0, "test__join_cgroup"))
+		goto err;
+
+	skel->links.bpf_nextcnt = bpf_program__attach_cgroup(skel->progs.bpf_nextcnt, cg_fd);
+	if (!ASSERT_OK_PTR(skel->links.bpf_nextcnt,
+			   "attach_cgroup(bpf_nextcnt)"))
+		goto err;
+
+	snprintf(cmd, sizeof(cmd), "%s ::1 -A -c 10000 -q > /dev/null", ping_command(AF_INET6));
+	ASSERT_OK(system(cmd), cmd);
+
+	map_fd = bpf_map__fd(skel->maps.netcnt);
+	if (!ASSERT_OK(bpf_map_get_next_key(map_fd, NULL, &key), "bpf_map_get_next_key"))
+		goto err;
+
+	if (!ASSERT_OK(bpf_map_lookup_elem(map_fd, &key, &netcnt), "bpf_map_lookup_elem(netcnt)"))
+		goto err;
+
+	percpu_map_fd = bpf_map__fd(skel->maps.percpu_netcnt);
+	if (!ASSERT_OK(bpf_map_lookup_elem(percpu_map_fd, &key, &percpu_netcnt[0]),
+		       "bpf_map_lookup_elem(percpu_netcnt)"))
+		goto err;
+
+	/* Some packets can be still in per-cpu cache, but not more than
+	 * MAX_PERCPU_PACKETS.
+	 */
+	packets = netcnt.packets;
+	bytes = netcnt.bytes;
+	for (cpu = 0; cpu < nproc; cpu++) {
+		ASSERT_LE(percpu_netcnt[cpu].packets, MAX_PERCPU_PACKETS, "MAX_PERCPU_PACKETS");
+
+		packets += percpu_netcnt[cpu].packets;
+		bytes += percpu_netcnt[cpu].bytes;
+	}
+
+	/* No packets should be lost */
+	ASSERT_EQ(packets, 10000, "packets");
+
+	/* Let's check that bytes counter matches the number of packets
+	 * multiplied by the size of ipv6 ICMP packet.
+	 */
+	ASSERT_EQ(bytes, packets * 104, "bytes");
+
+err:
+	if (cg_fd != -1)
+		close(cg_fd);
+	free(percpu_netcnt);
+	netcnt_prog__destroy(skel);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/netns_cookie.c b/tools/testing/selftests/bpf/prog_tests/netns_cookie.c
new file mode 100644
index 000000000..71d8f3ba7
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/netns_cookie.c
@@ -0,0 +1,80 @@
+// SPDX-License-Identifier: GPL-2.0
+
+#include <test_progs.h>
+#include "netns_cookie_prog.skel.h"
+#include "network_helpers.h"
+
+#ifndef SO_NETNS_COOKIE
+#define SO_NETNS_COOKIE 71
+#endif
+
+static int duration;
+
+void test_netns_cookie(void)
+{
+	int server_fd = -1, client_fd = -1, cgroup_fd = -1;
+	int err, val, ret, map, verdict;
+	struct netns_cookie_prog *skel;
+	uint64_t cookie_expected_value;
+	socklen_t vallen = sizeof(cookie_expected_value);
+	static const char send_msg[] = "message";
+
+	skel = netns_cookie_prog__open_and_load();
+	if (!ASSERT_OK_PTR(skel, "skel_open"))
+		return;
+
+	cgroup_fd = test__join_cgroup("/netns_cookie");
+	if (CHECK(cgroup_fd < 0, "join_cgroup", "cgroup creation failed\n"))
+		goto done;
+
+	skel->links.get_netns_cookie_sockops = bpf_program__attach_cgroup(
+		skel->progs.get_netns_cookie_sockops, cgroup_fd);
+	if (!ASSERT_OK_PTR(skel->links.get_netns_cookie_sockops, "prog_attach"))
+		goto done;
+
+	verdict = bpf_program__fd(skel->progs.get_netns_cookie_sk_msg);
+	map = bpf_map__fd(skel->maps.sock_map);
+	err = bpf_prog_attach(verdict, map, BPF_SK_MSG_VERDICT, 0);
+	if (!ASSERT_OK(err, "prog_attach"))
+		goto done;
+
+	server_fd = start_server(AF_INET6, SOCK_STREAM, "::1", 0, 0);
+	if (CHECK(server_fd < 0, "start_server", "errno %d\n", errno))
+		goto done;
+
+	client_fd = connect_to_fd(server_fd, 0);
+	if (CHECK(client_fd < 0, "connect_to_fd", "errno %d\n", errno))
+		goto done;
+
+	ret = send(client_fd, send_msg, sizeof(send_msg), 0);
+	if (CHECK(ret != sizeof(send_msg), "send(msg)", "ret:%d\n", ret))
+		goto done;
+
+	err = bpf_map_lookup_elem(bpf_map__fd(skel->maps.sockops_netns_cookies),
+				  &client_fd, &val);
+	if (!ASSERT_OK(err, "map_lookup(sockops_netns_cookies)"))
+		goto done;
+
+	err = getsockopt(client_fd, SOL_SOCKET, SO_NETNS_COOKIE,
+			 &cookie_expected_value, &vallen);
+	if (!ASSERT_OK(err, "getsockopt"))
+		goto done;
+
+	ASSERT_EQ(val, cookie_expected_value, "cookie_value");
+
+	err = bpf_map_lookup_elem(bpf_map__fd(skel->maps.sk_msg_netns_cookies),
+				  &client_fd, &val);
+	if (!ASSERT_OK(err, "map_lookup(sk_msg_netns_cookies)"))
+		goto done;
+
+	ASSERT_EQ(val, cookie_expected_value, "cookie_value");
+
+done:
+	if (server_fd != -1)
+		close(server_fd);
+	if (client_fd != -1)
+		close(client_fd);
+	if (cgroup_fd != -1)
+		close(cgroup_fd);
+	netns_cookie_prog__destroy(skel);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/ns_current_pid_tgid.c b/tools/testing/selftests/bpf/prog_tests/ns_current_pid_tgid.c
new file mode 100644
index 000000000..24d493482
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/ns_current_pid_tgid.c
@@ -0,0 +1,88 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2020 Carlos Neira cneirabustos@gmail.com */
+
+#define _GNU_SOURCE
+#include <test_progs.h>
+#include "test_ns_current_pid_tgid.skel.h"
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <unistd.h>
+#include <sys/syscall.h>
+#include <sched.h>
+#include <sys/wait.h>
+#include <sys/mount.h>
+#include <sys/fcntl.h>
+
+#define STACK_SIZE (1024 * 1024)
+static char child_stack[STACK_SIZE];
+
+static int test_current_pid_tgid(void *args)
+{
+	struct test_ns_current_pid_tgid__bss  *bss;
+	struct test_ns_current_pid_tgid *skel;
+	int err = -1, duration = 0;
+	pid_t tgid, pid;
+	struct stat st;
+
+	skel = test_ns_current_pid_tgid__open_and_load();
+	if (CHECK(!skel, "skel_open_load", "failed to load skeleton\n"))
+		goto cleanup;
+
+	pid = syscall(SYS_gettid);
+	tgid = getpid();
+
+	err = stat("/proc/self/ns/pid", &st);
+	if (CHECK(err, "stat", "failed /proc/self/ns/pid: %d\n", err))
+		goto cleanup;
+
+	bss = skel->bss;
+	bss->dev = st.st_dev;
+	bss->ino = st.st_ino;
+	bss->user_pid = 0;
+	bss->user_tgid = 0;
+
+	err = test_ns_current_pid_tgid__attach(skel);
+	if (CHECK(err, "skel_attach", "skeleton attach failed: %d\n", err))
+		goto cleanup;
+
+	/* trigger tracepoint */
+	usleep(1);
+	ASSERT_EQ(bss->user_pid, pid, "pid");
+	ASSERT_EQ(bss->user_tgid, tgid, "tgid");
+	err = 0;
+
+cleanup:
+	 test_ns_current_pid_tgid__destroy(skel);
+
+	return err;
+}
+
+static void test_ns_current_pid_tgid_new_ns(void)
+{
+	int wstatus, duration = 0;
+	pid_t cpid;
+
+	/* Create a process in a new namespace, this process
+	 * will be the init process of this new namespace hence will be pid 1.
+	 */
+	cpid = clone(test_current_pid_tgid, child_stack + STACK_SIZE,
+		     CLONE_NEWPID | SIGCHLD, NULL);
+
+	if (CHECK(cpid == -1, "clone", "%s\n", strerror(errno)))
+		return;
+
+	if (CHECK(waitpid(cpid, &wstatus, 0) == -1, "waitpid", "%s\n", strerror(errno)))
+		return;
+
+	if (CHECK(WEXITSTATUS(wstatus) != 0, "newns_pidtgid", "failed"))
+		return;
+}
+
+/* TODO: use a different tracepoint */
+void serial_test_ns_current_pid_tgid(void)
+{
+	if (test__start_subtest("ns_current_pid_tgid_root_ns"))
+		test_current_pid_tgid(NULL);
+	if (test__start_subtest("ns_current_pid_tgid_new_ns"))
+		test_ns_current_pid_tgid_new_ns();
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/obj_name.c b/tools/testing/selftests/bpf/prog_tests/obj_name.c
new file mode 100644
index 000000000..7093edca6
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/obj_name.c
@@ -0,0 +1,71 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <test_progs.h>
+
+void test_obj_name(void)
+{
+	struct {
+		const char *name;
+		int success;
+		int expected_errno;
+	} tests[] = {
+		{ "", 1, 0 },
+		{ "_123456789ABCDE", 1, 0 },
+		{ "_123456789ABCDEF", 0, EINVAL },
+		{ "_123456789ABCD\n", 0, EINVAL },
+	};
+	struct bpf_insn prog[] = {
+		BPF_ALU64_IMM(BPF_MOV, BPF_REG_0, 0),
+		BPF_EXIT_INSN(),
+	};
+	__u32 duration = 0;
+	int i;
+
+	for (i = 0; i < ARRAY_SIZE(tests); i++) {
+		size_t name_len = strlen(tests[i].name) + 1;
+		union bpf_attr attr;
+		size_t ncopy;
+		int fd;
+
+		/* test different attr.prog_name during BPF_PROG_LOAD */
+		ncopy = name_len < sizeof(attr.prog_name) ?
+			name_len : sizeof(attr.prog_name);
+		bzero(&attr, sizeof(attr));
+		attr.prog_type = BPF_PROG_TYPE_SCHED_CLS;
+		attr.insn_cnt = 2;
+		attr.insns = ptr_to_u64(prog);
+		attr.license = ptr_to_u64("");
+		memcpy(attr.prog_name, tests[i].name, ncopy);
+
+		fd = syscall(__NR_bpf, BPF_PROG_LOAD, &attr, sizeof(attr));
+		CHECK((tests[i].success && fd < 0) ||
+		      (!tests[i].success && fd >= 0) ||
+		      (!tests[i].success && errno != tests[i].expected_errno),
+		      "check-bpf-prog-name",
+		      "fd %d(%d) errno %d(%d)\n",
+		       fd, tests[i].success, errno, tests[i].expected_errno);
+
+		if (fd >= 0)
+			close(fd);
+
+		/* test different attr.map_name during BPF_MAP_CREATE */
+		ncopy = name_len < sizeof(attr.map_name) ?
+			name_len : sizeof(attr.map_name);
+		bzero(&attr, sizeof(attr));
+		attr.map_type = BPF_MAP_TYPE_ARRAY;
+		attr.key_size = 4;
+		attr.value_size = 4;
+		attr.max_entries = 1;
+		attr.map_flags = 0;
+		memcpy(attr.map_name, tests[i].name, ncopy);
+		fd = syscall(__NR_bpf, BPF_MAP_CREATE, &attr, sizeof(attr));
+		CHECK((tests[i].success && fd < 0) ||
+		      (!tests[i].success && fd >= 0) ||
+		      (!tests[i].success && errno != tests[i].expected_errno),
+		      "check-bpf-map-name",
+		      "fd %d(%d) errno %d(%d)\n",
+		      fd, tests[i].success, errno, tests[i].expected_errno);
+
+		if (fd >= 0)
+			close(fd);
+	}
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/pe_preserve_elems.c b/tools/testing/selftests/bpf/prog_tests/pe_preserve_elems.c
new file mode 100644
index 000000000..673d38395
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/pe_preserve_elems.c
@@ -0,0 +1,66 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/* Copyright (c) 2019 Facebook */
+#include <test_progs.h>
+#include <linux/bpf.h>
+#include "test_pe_preserve_elems.skel.h"
+
+static int duration;
+
+static void test_one_map(struct bpf_map *map, struct bpf_program *prog,
+			 bool has_share_pe)
+{
+	int err, key = 0, pfd = -1, mfd = bpf_map__fd(map);
+	DECLARE_LIBBPF_OPTS(bpf_test_run_opts, opts);
+	struct perf_event_attr attr = {
+		.size = sizeof(struct perf_event_attr),
+		.type = PERF_TYPE_SOFTWARE,
+		.config = PERF_COUNT_SW_CPU_CLOCK,
+	};
+
+	pfd = syscall(__NR_perf_event_open, &attr, 0 /* pid */,
+		      -1 /* cpu 0 */, -1 /* group id */, 0 /* flags */);
+	if (CHECK(pfd < 0, "perf_event_open", "failed\n"))
+		return;
+
+	err = bpf_map_update_elem(mfd, &key, &pfd, BPF_ANY);
+	close(pfd);
+	if (CHECK(err < 0, "bpf_map_update_elem", "failed\n"))
+		return;
+
+	err = bpf_prog_test_run_opts(bpf_program__fd(prog), &opts);
+	if (CHECK(err < 0, "bpf_prog_test_run_opts", "failed\n"))
+		return;
+	if (CHECK(opts.retval != 0, "bpf_perf_event_read_value",
+		  "failed with %d\n", opts.retval))
+		return;
+
+	/* closing mfd, prog still holds a reference on map */
+	close(mfd);
+
+	err = bpf_prog_test_run_opts(bpf_program__fd(prog), &opts);
+	if (CHECK(err < 0, "bpf_prog_test_run_opts", "failed\n"))
+		return;
+
+	if (has_share_pe) {
+		CHECK(opts.retval != 0, "bpf_perf_event_read_value",
+		      "failed with %d\n", opts.retval);
+	} else {
+		CHECK(opts.retval != -ENOENT, "bpf_perf_event_read_value",
+		      "should have failed with %d, but got %d\n", -ENOENT,
+		      opts.retval);
+	}
+}
+
+void test_pe_preserve_elems(void)
+{
+	struct test_pe_preserve_elems *skel;
+
+	skel = test_pe_preserve_elems__open_and_load();
+	if (CHECK(!skel, "skel_open", "failed to open skeleton\n"))
+		return;
+
+	test_one_map(skel->maps.array_1, skel->progs.read_array_1, false);
+	test_one_map(skel->maps.array_2, skel->progs.read_array_2, true);
+
+	test_pe_preserve_elems__destroy(skel);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/perf_branches.c b/tools/testing/selftests/bpf/prog_tests/perf_branches.c
new file mode 100644
index 000000000..bc24f8333
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/perf_branches.c
@@ -0,0 +1,170 @@
+// SPDX-License-Identifier: GPL-2.0
+#define _GNU_SOURCE
+#include <pthread.h>
+#include <sched.h>
+#include <sys/socket.h>
+#include <test_progs.h>
+#include "bpf/libbpf_internal.h"
+#include "test_perf_branches.skel.h"
+
+static void check_good_sample(struct test_perf_branches *skel)
+{
+	int written_global = skel->bss->written_global_out;
+	int required_size = skel->bss->required_size_out;
+	int written_stack = skel->bss->written_stack_out;
+	int pbe_size = sizeof(struct perf_branch_entry);
+	int duration = 0;
+
+	if (CHECK(!skel->bss->valid, "output not valid",
+		 "no valid sample from prog"))
+		return;
+
+	/*
+	 * It's hard to validate the contents of the branch entries b/c it
+	 * would require some kind of disassembler and also encoding the
+	 * valid jump instructions for supported architectures. So just check
+	 * the easy stuff for now.
+	 */
+	CHECK(required_size <= 0, "read_branches_size", "err %d\n", required_size);
+	CHECK(written_stack < 0, "read_branches_stack", "err %d\n", written_stack);
+	CHECK(written_stack % pbe_size != 0, "read_branches_stack",
+	      "stack bytes written=%d not multiple of struct size=%d\n",
+	      written_stack, pbe_size);
+	CHECK(written_global < 0, "read_branches_global", "err %d\n", written_global);
+	CHECK(written_global % pbe_size != 0, "read_branches_global",
+	      "global bytes written=%d not multiple of struct size=%d\n",
+	      written_global, pbe_size);
+	CHECK(written_global < written_stack, "read_branches_size",
+	      "written_global=%d < written_stack=%d\n", written_global, written_stack);
+}
+
+static void check_bad_sample(struct test_perf_branches *skel)
+{
+	int written_global = skel->bss->written_global_out;
+	int required_size = skel->bss->required_size_out;
+	int written_stack = skel->bss->written_stack_out;
+	int duration = 0;
+
+	if (CHECK(!skel->bss->valid, "output not valid",
+		 "no valid sample from prog"))
+		return;
+
+	CHECK((required_size != -EINVAL && required_size != -ENOENT),
+	      "read_branches_size", "err %d\n", required_size);
+	CHECK((written_stack != -EINVAL && written_stack != -ENOENT),
+	      "read_branches_stack", "written %d\n", written_stack);
+	CHECK((written_global != -EINVAL && written_global != -ENOENT),
+	      "read_branches_global", "written %d\n", written_global);
+}
+
+static void test_perf_branches_common(int perf_fd,
+				      void (*cb)(struct test_perf_branches *))
+{
+	struct test_perf_branches *skel;
+	int err, i, duration = 0;
+	bool detached = false;
+	struct bpf_link *link;
+	volatile int j = 0;
+	cpu_set_t cpu_set;
+
+	skel = test_perf_branches__open_and_load();
+	if (CHECK(!skel, "test_perf_branches_load",
+		  "perf_branches skeleton failed\n"))
+		return;
+
+	/* attach perf_event */
+	link = bpf_program__attach_perf_event(skel->progs.perf_branches, perf_fd);
+	if (!ASSERT_OK_PTR(link, "attach_perf_event"))
+		goto out_destroy_skel;
+
+	/* generate some branches on cpu 0 */
+	CPU_ZERO(&cpu_set);
+	CPU_SET(0, &cpu_set);
+	err = pthread_setaffinity_np(pthread_self(), sizeof(cpu_set), &cpu_set);
+	if (CHECK(err, "set_affinity", "cpu #0, err %d\n", err))
+		goto out_destroy;
+	/* spin the loop for a while (random high number) */
+	for (i = 0; i < 1000000; ++i)
+		++j;
+
+	test_perf_branches__detach(skel);
+	detached = true;
+
+	cb(skel);
+out_destroy:
+	bpf_link__destroy(link);
+out_destroy_skel:
+	if (!detached)
+		test_perf_branches__detach(skel);
+	test_perf_branches__destroy(skel);
+}
+
+static void test_perf_branches_hw(void)
+{
+	struct perf_event_attr attr = {0};
+	int duration = 0;
+	int pfd;
+
+	/* create perf event */
+	attr.size = sizeof(attr);
+	attr.type = PERF_TYPE_HARDWARE;
+	attr.config = PERF_COUNT_HW_CPU_CYCLES;
+	attr.freq = 1;
+	attr.sample_freq = 1000;
+	attr.sample_type = PERF_SAMPLE_BRANCH_STACK;
+	attr.branch_sample_type = PERF_SAMPLE_BRANCH_USER | PERF_SAMPLE_BRANCH_ANY;
+	pfd = syscall(__NR_perf_event_open, &attr, -1, 0, -1, PERF_FLAG_FD_CLOEXEC);
+
+	/*
+	 * Some setups don't support branch records (virtual machines, !x86),
+	 * so skip test in this case.
+	 */
+	if (pfd < 0) {
+		if (errno == ENOENT || errno == EOPNOTSUPP) {
+			printf("%s:SKIP:no PERF_SAMPLE_BRANCH_STACK\n",
+			       __func__);
+			test__skip();
+			return;
+		}
+		if (CHECK(pfd < 0, "perf_event_open", "err %d errno %d\n",
+			  pfd, errno))
+			return;
+	}
+
+	test_perf_branches_common(pfd, check_good_sample);
+
+	close(pfd);
+}
+
+/*
+ * Tests negative case -- run bpf_read_branch_records() on improperly configured
+ * perf event.
+ */
+static void test_perf_branches_no_hw(void)
+{
+	struct perf_event_attr attr = {0};
+	int duration = 0;
+	int pfd;
+
+	/* create perf event */
+	attr.size = sizeof(attr);
+	attr.type = PERF_TYPE_SOFTWARE;
+	attr.config = PERF_COUNT_SW_CPU_CLOCK;
+	attr.freq = 1;
+	attr.sample_freq = 1000;
+	pfd = syscall(__NR_perf_event_open, &attr, -1, 0, -1, PERF_FLAG_FD_CLOEXEC);
+	if (CHECK(pfd < 0, "perf_event_open", "err %d\n", pfd))
+		return;
+
+	test_perf_branches_common(pfd, check_bad_sample);
+
+	close(pfd);
+}
+
+void test_perf_branches(void)
+{
+	if (test__start_subtest("perf_branches_hw"))
+		test_perf_branches_hw();
+	if (test__start_subtest("perf_branches_no_hw"))
+		test_perf_branches_no_hw();
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/perf_buffer.c b/tools/testing/selftests/bpf/prog_tests/perf_buffer.c
new file mode 100644
index 000000000..5fc2b3a07
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/perf_buffer.c
@@ -0,0 +1,147 @@
+// SPDX-License-Identifier: GPL-2.0
+#define _GNU_SOURCE
+#include <pthread.h>
+#include <sched.h>
+#include <sys/socket.h>
+#include <test_progs.h>
+#include "test_perf_buffer.skel.h"
+#include "bpf/libbpf_internal.h"
+
+static int duration;
+
+/* AddressSanitizer sometimes crashes due to data dereference below, due to
+ * this being mmap()'ed memory. Disable instrumentation with
+ * no_sanitize_address attribute
+ */
+__attribute__((no_sanitize_address))
+static void on_sample(void *ctx, int cpu, void *data, __u32 size)
+{
+	int cpu_data = *(int *)data, duration = 0;
+	cpu_set_t *cpu_seen = ctx;
+
+	if (cpu_data != cpu)
+		CHECK(cpu_data != cpu, "check_cpu_data",
+		      "cpu_data %d != cpu %d\n", cpu_data, cpu);
+
+	CPU_SET(cpu, cpu_seen);
+}
+
+int trigger_on_cpu(int cpu)
+{
+	cpu_set_t cpu_set;
+	int err;
+
+	CPU_ZERO(&cpu_set);
+	CPU_SET(cpu, &cpu_set);
+
+	err = pthread_setaffinity_np(pthread_self(), sizeof(cpu_set), &cpu_set);
+	if (err && CHECK(err, "set_affinity", "cpu #%d, err %d\n", cpu, err))
+		return err;
+
+	usleep(1);
+
+	return 0;
+}
+
+void serial_test_perf_buffer(void)
+{
+	int err, on_len, nr_on_cpus = 0, nr_cpus, i, j;
+	int zero = 0, my_pid = getpid();
+	struct test_perf_buffer *skel;
+	cpu_set_t cpu_seen;
+	struct perf_buffer *pb;
+	int last_fd = -1, fd;
+	bool *online;
+
+	nr_cpus = libbpf_num_possible_cpus();
+	if (CHECK(nr_cpus < 0, "nr_cpus", "err %d\n", nr_cpus))
+		return;
+
+	err = parse_cpu_mask_file("/sys/devices/system/cpu/online",
+				  &online, &on_len);
+	if (CHECK(err, "nr_on_cpus", "err %d\n", err))
+		return;
+
+	for (i = 0; i < on_len; i++)
+		if (online[i])
+			nr_on_cpus++;
+
+	/* load program */
+	skel = test_perf_buffer__open_and_load();
+	if (CHECK(!skel, "skel_load", "skeleton open/load failed\n"))
+		goto out_close;
+
+	err = bpf_map_update_elem(bpf_map__fd(skel->maps.my_pid_map), &zero, &my_pid, 0);
+	if (!ASSERT_OK(err, "my_pid_update"))
+		goto out_close;
+
+	/* attach probe */
+	err = test_perf_buffer__attach(skel);
+	if (CHECK(err, "attach_kprobe", "err %d\n", err))
+		goto out_close;
+
+	/* set up perf buffer */
+	pb = perf_buffer__new(bpf_map__fd(skel->maps.perf_buf_map), 1,
+			      on_sample, NULL, &cpu_seen, NULL);
+	if (!ASSERT_OK_PTR(pb, "perf_buf__new"))
+		goto out_close;
+
+	CHECK(perf_buffer__epoll_fd(pb) < 0, "epoll_fd",
+	      "bad fd: %d\n", perf_buffer__epoll_fd(pb));
+
+	/* trigger kprobe on every CPU */
+	CPU_ZERO(&cpu_seen);
+	for (i = 0; i < nr_cpus; i++) {
+		if (i >= on_len || !online[i]) {
+			printf("skipping offline CPU #%d\n", i);
+			continue;
+		}
+
+		if (trigger_on_cpu(i))
+			goto out_close;
+	}
+
+	/* read perf buffer */
+	err = perf_buffer__poll(pb, 100);
+	if (CHECK(err < 0, "perf_buffer__poll", "err %d\n", err))
+		goto out_free_pb;
+
+	if (CHECK(CPU_COUNT(&cpu_seen) != nr_on_cpus, "seen_cpu_cnt",
+		  "expect %d, seen %d\n", nr_on_cpus, CPU_COUNT(&cpu_seen)))
+		goto out_free_pb;
+
+	if (CHECK(perf_buffer__buffer_cnt(pb) != nr_on_cpus, "buf_cnt",
+		  "got %zu, expected %d\n", perf_buffer__buffer_cnt(pb), nr_on_cpus))
+		goto out_close;
+
+	for (i = 0, j = 0; i < nr_cpus; i++) {
+		if (i >= on_len || !online[i])
+			continue;
+
+		fd = perf_buffer__buffer_fd(pb, j);
+		CHECK(fd < 0 || last_fd == fd, "fd_check", "last fd %d == fd %d\n", last_fd, fd);
+		last_fd = fd;
+
+		err = perf_buffer__consume_buffer(pb, j);
+		if (CHECK(err, "drain_buf", "cpu %d, err %d\n", i, err))
+			goto out_close;
+
+		CPU_CLR(i, &cpu_seen);
+		if (trigger_on_cpu(i))
+			goto out_close;
+
+		err = perf_buffer__consume_buffer(pb, j);
+		if (CHECK(err, "consume_buf", "cpu %d, err %d\n", j, err))
+			goto out_close;
+
+		if (CHECK(!CPU_ISSET(i, &cpu_seen), "cpu_seen", "cpu %d not seen\n", i))
+			goto out_close;
+		j++;
+	}
+
+out_free_pb:
+	perf_buffer__free(pb);
+out_close:
+	test_perf_buffer__destroy(skel);
+	free(online);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/perf_event_stackmap.c b/tools/testing/selftests/bpf/prog_tests/perf_event_stackmap.c
new file mode 100644
index 000000000..f4aad35af
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/perf_event_stackmap.c
@@ -0,0 +1,116 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (c) 2020 Facebook
+#define _GNU_SOURCE
+#include <pthread.h>
+#include <sched.h>
+#include <test_progs.h>
+#include "perf_event_stackmap.skel.h"
+
+#ifndef noinline
+#define noinline __attribute__((noinline))
+#endif
+
+noinline int func_1(void)
+{
+	static int val = 1;
+
+	val += 1;
+
+	usleep(100);
+	return val;
+}
+
+noinline int func_2(void)
+{
+	return func_1();
+}
+
+noinline int func_3(void)
+{
+	return func_2();
+}
+
+noinline int func_4(void)
+{
+	return func_3();
+}
+
+noinline int func_5(void)
+{
+	return func_4();
+}
+
+noinline int func_6(void)
+{
+	int i, val = 1;
+
+	for (i = 0; i < 100; i++)
+		val += func_5();
+
+	return val;
+}
+
+void test_perf_event_stackmap(void)
+{
+	struct perf_event_attr attr = {
+		/* .type = PERF_TYPE_SOFTWARE, */
+		.type = PERF_TYPE_HARDWARE,
+		.config = PERF_COUNT_HW_CPU_CYCLES,
+		.precise_ip = 2,
+		.sample_type = PERF_SAMPLE_IP | PERF_SAMPLE_BRANCH_STACK |
+			PERF_SAMPLE_CALLCHAIN,
+		.branch_sample_type = PERF_SAMPLE_BRANCH_USER |
+			PERF_SAMPLE_BRANCH_NO_FLAGS |
+			PERF_SAMPLE_BRANCH_NO_CYCLES |
+			PERF_SAMPLE_BRANCH_CALL_STACK,
+		.freq = 1,
+		.sample_freq = read_perf_max_sample_freq(),
+		.size = sizeof(struct perf_event_attr),
+	};
+	struct perf_event_stackmap *skel;
+	__u32 duration = 0;
+	cpu_set_t cpu_set;
+	int pmu_fd, err;
+
+	skel = perf_event_stackmap__open();
+
+	if (CHECK(!skel, "skel_open", "skeleton open failed\n"))
+		return;
+
+	err = perf_event_stackmap__load(skel);
+	if (CHECK(err, "skel_load", "skeleton load failed: %d\n", err))
+		goto cleanup;
+
+	CPU_ZERO(&cpu_set);
+	CPU_SET(0, &cpu_set);
+	err = pthread_setaffinity_np(pthread_self(), sizeof(cpu_set), &cpu_set);
+	if (CHECK(err, "set_affinity", "err %d, errno %d\n", err, errno))
+		goto cleanup;
+
+	pmu_fd = syscall(__NR_perf_event_open, &attr, -1 /* pid */,
+			 0 /* cpu 0 */, -1 /* group id */,
+			 0 /* flags */);
+	if (pmu_fd < 0) {
+		printf("%s:SKIP:cpu doesn't support the event\n", __func__);
+		test__skip();
+		goto cleanup;
+	}
+
+	skel->links.oncpu = bpf_program__attach_perf_event(skel->progs.oncpu,
+							   pmu_fd);
+	if (!ASSERT_OK_PTR(skel->links.oncpu, "attach_perf_event")) {
+		close(pmu_fd);
+		goto cleanup;
+	}
+
+	/* create kernel and user stack traces for testing */
+	func_6();
+
+	CHECK(skel->data->stackid_kernel != 2, "get_stackid_kernel", "failed\n");
+	CHECK(skel->data->stackid_user != 2, "get_stackid_user", "failed\n");
+	CHECK(skel->data->stack_kernel != 2, "get_stack_kernel", "failed\n");
+	CHECK(skel->data->stack_user != 2, "get_stack_user", "failed\n");
+
+cleanup:
+	perf_event_stackmap__destroy(skel);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/perf_link.c b/tools/testing/selftests/bpf/prog_tests/perf_link.c
new file mode 100644
index 000000000..224eba6fe
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/perf_link.c
@@ -0,0 +1,90 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2021 Facebook */
+#define _GNU_SOURCE
+#include <pthread.h>
+#include <sched.h>
+#include <test_progs.h>
+#include "test_perf_link.skel.h"
+
+static void burn_cpu(void)
+{
+	volatile int j = 0;
+	cpu_set_t cpu_set;
+	int i, err;
+
+	/* generate some branches on cpu 0 */
+	CPU_ZERO(&cpu_set);
+	CPU_SET(0, &cpu_set);
+	err = pthread_setaffinity_np(pthread_self(), sizeof(cpu_set), &cpu_set);
+	ASSERT_OK(err, "set_thread_affinity");
+
+	/* spin the loop for a while (random high number) */
+	for (i = 0; i < 1000000; ++i)
+		++j;
+}
+
+/* TODO: often fails in concurrent mode */
+void serial_test_perf_link(void)
+{
+	struct test_perf_link *skel = NULL;
+	struct perf_event_attr attr;
+	int pfd = -1, link_fd = -1, err;
+	int run_cnt_before, run_cnt_after;
+	struct bpf_link_info info;
+	__u32 info_len = sizeof(info);
+
+	/* create perf event */
+	memset(&attr, 0, sizeof(attr));
+	attr.size = sizeof(attr);
+	attr.type = PERF_TYPE_SOFTWARE;
+	attr.config = PERF_COUNT_SW_CPU_CLOCK;
+	attr.freq = 1;
+	attr.sample_freq = 1000;
+	pfd = syscall(__NR_perf_event_open, &attr, -1, 0, -1, PERF_FLAG_FD_CLOEXEC);
+	if (!ASSERT_GE(pfd, 0, "perf_fd"))
+		goto cleanup;
+
+	skel = test_perf_link__open_and_load();
+	if (!ASSERT_OK_PTR(skel, "skel_load"))
+		goto cleanup;
+
+	link_fd = bpf_link_create(bpf_program__fd(skel->progs.handler), pfd,
+				  BPF_PERF_EVENT, NULL);
+	if (!ASSERT_GE(link_fd, 0, "link_fd"))
+		goto cleanup;
+
+	memset(&info, 0, sizeof(info));
+	err = bpf_obj_get_info_by_fd(link_fd, &info, &info_len);
+	if (!ASSERT_OK(err, "link_get_info"))
+		goto cleanup;
+
+	ASSERT_EQ(info.type, BPF_LINK_TYPE_PERF_EVENT, "link_type");
+	ASSERT_GT(info.id, 0, "link_id");
+	ASSERT_GT(info.prog_id, 0, "link_prog_id");
+
+	/* ensure we get at least one perf_event prog execution */
+	burn_cpu();
+	ASSERT_GT(skel->bss->run_cnt, 0, "run_cnt");
+
+	/* perf_event is still active, but we close link and BPF program
+	 * shouldn't be executed anymore
+	 */
+	close(link_fd);
+	link_fd = -1;
+
+	/* make sure there are no stragglers */
+	kern_sync_rcu();
+
+	run_cnt_before = skel->bss->run_cnt;
+	burn_cpu();
+	run_cnt_after = skel->bss->run_cnt;
+
+	ASSERT_EQ(run_cnt_before, run_cnt_after, "run_cnt_before_after");
+
+cleanup:
+	if (link_fd >= 0)
+		close(link_fd);
+	if (pfd >= 0)
+		close(pfd);
+	test_perf_link__destroy(skel);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/pinning.c b/tools/testing/selftests/bpf/prog_tests/pinning.c
new file mode 100644
index 000000000..d95cee586
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/pinning.c
@@ -0,0 +1,280 @@
+// SPDX-License-Identifier: GPL-2.0
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <unistd.h>
+#include <test_progs.h>
+
+__u32 get_map_id(struct bpf_object *obj, const char *name)
+{
+	struct bpf_map_info map_info = {};
+	__u32 map_info_len, duration = 0;
+	struct bpf_map *map;
+	int err;
+
+	map_info_len = sizeof(map_info);
+
+	map = bpf_object__find_map_by_name(obj, name);
+	if (CHECK(!map, "find map", "NULL map"))
+		return 0;
+
+	err = bpf_obj_get_info_by_fd(bpf_map__fd(map),
+				     &map_info, &map_info_len);
+	CHECK(err, "get map info", "err %d errno %d", err, errno);
+	return map_info.id;
+}
+
+void test_pinning(void)
+{
+	const char *file_invalid = "./test_pinning_invalid.bpf.o";
+	const char *custpinpath = "/sys/fs/bpf/custom/pinmap";
+	const char *nopinpath = "/sys/fs/bpf/nopinmap";
+	const char *nopinpath2 = "/sys/fs/bpf/nopinmap2";
+	const char *custpath = "/sys/fs/bpf/custom";
+	const char *pinpath = "/sys/fs/bpf/pinmap";
+	const char *file = "./test_pinning.bpf.o";
+	__u32 map_id, map_id2, duration = 0;
+	struct stat statbuf = {};
+	struct bpf_object *obj;
+	struct bpf_map *map;
+	int err, map_fd;
+	DECLARE_LIBBPF_OPTS(bpf_object_open_opts, opts,
+		.pin_root_path = custpath,
+	);
+
+	/* check that opening fails with invalid pinning value in map def */
+	obj = bpf_object__open_file(file_invalid, NULL);
+	err = libbpf_get_error(obj);
+	if (CHECK(err != -EINVAL, "invalid open", "err %d errno %d\n", err, errno)) {
+		obj = NULL;
+		goto out;
+	}
+
+	/* open the valid object file  */
+	obj = bpf_object__open_file(file, NULL);
+	err = libbpf_get_error(obj);
+	if (CHECK(err, "default open", "err %d errno %d\n", err, errno)) {
+		obj = NULL;
+		goto out;
+	}
+
+	err = bpf_object__load(obj);
+	if (CHECK(err, "default load", "err %d errno %d\n", err, errno))
+		goto out;
+
+	/* check that pinmap was pinned */
+	err = stat(pinpath, &statbuf);
+	if (CHECK(err, "stat pinpath", "err %d errno %d\n", err, errno))
+		goto out;
+
+	/* check that nopinmap was *not* pinned */
+	err = stat(nopinpath, &statbuf);
+	if (CHECK(!err || errno != ENOENT, "stat nopinpath",
+		  "err %d errno %d\n", err, errno))
+		goto out;
+
+	/* check that nopinmap2 was *not* pinned */
+	err = stat(nopinpath2, &statbuf);
+	if (CHECK(!err || errno != ENOENT, "stat nopinpath2",
+		  "err %d errno %d\n", err, errno))
+		goto out;
+
+	map_id = get_map_id(obj, "pinmap");
+	if (!map_id)
+		goto out;
+
+	bpf_object__close(obj);
+
+	obj = bpf_object__open_file(file, NULL);
+	if (CHECK_FAIL(libbpf_get_error(obj))) {
+		obj = NULL;
+		goto out;
+	}
+
+	err = bpf_object__load(obj);
+	if (CHECK(err, "default load", "err %d errno %d\n", err, errno))
+		goto out;
+
+	/* check that same map ID was reused for second load */
+	map_id2 = get_map_id(obj, "pinmap");
+	if (CHECK(map_id != map_id2, "check reuse",
+		  "err %d errno %d id %d id2 %d\n", err, errno, map_id, map_id2))
+		goto out;
+
+	/* should be no-op to re-pin same map */
+	map = bpf_object__find_map_by_name(obj, "pinmap");
+	if (CHECK(!map, "find map", "NULL map"))
+		goto out;
+
+	err = bpf_map__pin(map, NULL);
+	if (CHECK(err, "re-pin map", "err %d errno %d\n", err, errno))
+		goto out;
+
+	/* but error to pin at different location */
+	err = bpf_map__pin(map, "/sys/fs/bpf/other");
+	if (CHECK(!err, "pin map different", "err %d errno %d\n", err, errno))
+		goto out;
+
+	/* unpin maps with a pin_path set */
+	err = bpf_object__unpin_maps(obj, NULL);
+	if (CHECK(err, "unpin maps", "err %d errno %d\n", err, errno))
+		goto out;
+
+	/* and re-pin them... */
+	err = bpf_object__pin_maps(obj, NULL);
+	if (CHECK(err, "pin maps", "err %d errno %d\n", err, errno))
+		goto out;
+
+	/* get pinning path */
+	if (!ASSERT_STREQ(bpf_map__pin_path(map), pinpath, "get pin path"))
+		goto out;
+
+	/* set pinning path of other map and re-pin all */
+	map = bpf_object__find_map_by_name(obj, "nopinmap");
+	if (CHECK(!map, "find map", "NULL map"))
+		goto out;
+
+	err = bpf_map__set_pin_path(map, custpinpath);
+	if (CHECK(err, "set pin path", "err %d errno %d\n", err, errno))
+		goto out;
+
+	/* get pinning path after set */
+	if (!ASSERT_STREQ(bpf_map__pin_path(map), custpinpath,
+			  "get pin path after set"))
+		goto out;
+
+	/* should only pin the one unpinned map */
+	err = bpf_object__pin_maps(obj, NULL);
+	if (CHECK(err, "pin maps", "err %d errno %d\n", err, errno))
+		goto out;
+
+	/* check that nopinmap was pinned at the custom path */
+	err = stat(custpinpath, &statbuf);
+	if (CHECK(err, "stat custpinpath", "err %d errno %d\n", err, errno))
+		goto out;
+
+	/* remove the custom pin path to re-test it with auto-pinning below */
+	err = unlink(custpinpath);
+	if (CHECK(err, "unlink custpinpath", "err %d errno %d\n", err, errno))
+		goto out;
+
+	err = rmdir(custpath);
+	if (CHECK(err, "rmdir custpindir", "err %d errno %d\n", err, errno))
+		goto out;
+
+	bpf_object__close(obj);
+
+	/* open the valid object file again */
+	obj = bpf_object__open_file(file, NULL);
+	err = libbpf_get_error(obj);
+	if (CHECK(err, "default open", "err %d errno %d\n", err, errno)) {
+		obj = NULL;
+		goto out;
+	}
+
+	/* set pin paths so that nopinmap2 will attempt to reuse the map at
+	 * pinpath (which will fail), but not before pinmap has already been
+	 * reused
+	 */
+	bpf_object__for_each_map(map, obj) {
+		if (!strcmp(bpf_map__name(map), "nopinmap"))
+			err = bpf_map__set_pin_path(map, nopinpath2);
+		else if (!strcmp(bpf_map__name(map), "nopinmap2"))
+			err = bpf_map__set_pin_path(map, pinpath);
+		else
+			continue;
+
+		if (CHECK(err, "set pin path", "err %d errno %d\n", err, errno))
+			goto out;
+	}
+
+	/* should fail because of map parameter mismatch */
+	err = bpf_object__load(obj);
+	if (CHECK(err != -EINVAL, "param mismatch load", "err %d errno %d\n", err, errno))
+		goto out;
+
+	/* nopinmap2 should have been pinned and cleaned up again */
+	err = stat(nopinpath2, &statbuf);
+	if (CHECK(!err || errno != ENOENT, "stat nopinpath2",
+		  "err %d errno %d\n", err, errno))
+		goto out;
+
+	/* pinmap should still be there */
+	err = stat(pinpath, &statbuf);
+	if (CHECK(err, "stat pinpath", "err %d errno %d\n", err, errno))
+		goto out;
+
+	bpf_object__close(obj);
+
+	/* test auto-pinning at custom path with open opt */
+	obj = bpf_object__open_file(file, &opts);
+	if (CHECK_FAIL(libbpf_get_error(obj))) {
+		obj = NULL;
+		goto out;
+	}
+
+	err = bpf_object__load(obj);
+	if (CHECK(err, "custom load", "err %d errno %d\n", err, errno))
+		goto out;
+
+	/* check that pinmap was pinned at the custom path */
+	err = stat(custpinpath, &statbuf);
+	if (CHECK(err, "stat custpinpath", "err %d errno %d\n", err, errno))
+		goto out;
+
+	/* remove the custom pin path to re-test it with reuse fd below */
+	err = unlink(custpinpath);
+	if (CHECK(err, "unlink custpinpath", "err %d errno %d\n", err, errno))
+		goto out;
+
+	err = rmdir(custpath);
+	if (CHECK(err, "rmdir custpindir", "err %d errno %d\n", err, errno))
+		goto out;
+
+	bpf_object__close(obj);
+
+	/* test pinning at custom path with reuse fd */
+	obj = bpf_object__open_file(file, NULL);
+	err = libbpf_get_error(obj);
+	if (CHECK(err, "default open", "err %d errno %d\n", err, errno)) {
+		obj = NULL;
+		goto out;
+	}
+
+	map_fd = bpf_map_create(BPF_MAP_TYPE_ARRAY, NULL, sizeof(__u32),
+				sizeof(__u64), 1, NULL);
+	if (CHECK(map_fd < 0, "create pinmap manually", "fd %d\n", map_fd))
+		goto out;
+
+	map = bpf_object__find_map_by_name(obj, "pinmap");
+	if (CHECK(!map, "find map", "NULL map"))
+		goto close_map_fd;
+
+	err = bpf_map__reuse_fd(map, map_fd);
+	if (CHECK(err, "reuse pinmap fd", "err %d errno %d\n", err, errno))
+		goto close_map_fd;
+
+	err = bpf_map__set_pin_path(map, custpinpath);
+	if (CHECK(err, "set pin path", "err %d errno %d\n", err, errno))
+		goto close_map_fd;
+
+	err = bpf_object__load(obj);
+	if (CHECK(err, "custom load", "err %d errno %d\n", err, errno))
+		goto close_map_fd;
+
+	/* check that pinmap was pinned at the custom path */
+	err = stat(custpinpath, &statbuf);
+	if (CHECK(err, "stat custpinpath", "err %d errno %d\n", err, errno))
+		goto close_map_fd;
+
+close_map_fd:
+	close(map_fd);
+out:
+	unlink(pinpath);
+	unlink(nopinpath);
+	unlink(nopinpath2);
+	unlink(custpinpath);
+	rmdir(custpath);
+	if (obj)
+		bpf_object__close(obj);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/pkt_access.c b/tools/testing/selftests/bpf/prog_tests/pkt_access.c
new file mode 100644
index 000000000..682e4ff45
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/pkt_access.c
@@ -0,0 +1,32 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <test_progs.h>
+#include <network_helpers.h>
+
+void test_pkt_access(void)
+{
+	const char *file = "./test_pkt_access.bpf.o";
+	struct bpf_object *obj;
+	int err, prog_fd;
+	LIBBPF_OPTS(bpf_test_run_opts, topts,
+		.data_in = &pkt_v4,
+		.data_size_in = sizeof(pkt_v4),
+		.repeat = 100000,
+	);
+
+	err = bpf_prog_test_load(file, BPF_PROG_TYPE_SCHED_CLS, &obj, &prog_fd);
+	if (CHECK_FAIL(err))
+		return;
+
+	err = bpf_prog_test_run_opts(prog_fd, &topts);
+	ASSERT_OK(err, "ipv4 test_run_opts err");
+	ASSERT_OK(topts.retval, "ipv4 test_run_opts retval");
+
+	topts.data_in = &pkt_v6;
+	topts.data_size_in = sizeof(pkt_v6);
+	topts.data_size_out = 0; /* reset from last call */
+	err = bpf_prog_test_run_opts(prog_fd, &topts);
+	ASSERT_OK(err, "ipv6 test_run_opts err");
+	ASSERT_OK(topts.retval, "ipv6 test_run_opts retval");
+
+	bpf_object__close(obj);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/pkt_md_access.c b/tools/testing/selftests/bpf/prog_tests/pkt_md_access.c
new file mode 100644
index 000000000..0d85e0642
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/pkt_md_access.c
@@ -0,0 +1,25 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <test_progs.h>
+#include <network_helpers.h>
+
+void test_pkt_md_access(void)
+{
+	const char *file = "./test_pkt_md_access.bpf.o";
+	struct bpf_object *obj;
+	int err, prog_fd;
+	LIBBPF_OPTS(bpf_test_run_opts, topts,
+		.data_in = &pkt_v4,
+		.data_size_in = sizeof(pkt_v4),
+		.repeat = 10,
+	);
+
+	err = bpf_prog_test_load(file, BPF_PROG_TYPE_SCHED_CLS, &obj, &prog_fd);
+	if (CHECK_FAIL(err))
+		return;
+
+	err = bpf_prog_test_run_opts(prog_fd, &topts);
+	ASSERT_OK(err, "test_run_opts err");
+	ASSERT_OK(topts.retval, "test_run_opts retval");
+
+	bpf_object__close(obj);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/probe_read_user_str.c b/tools/testing/selftests/bpf/prog_tests/probe_read_user_str.c
new file mode 100644
index 000000000..e41929813
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/probe_read_user_str.c
@@ -0,0 +1,71 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <test_progs.h>
+#include "test_probe_read_user_str.skel.h"
+
+static const char str1[] = "mestring";
+static const char str2[] = "mestringalittlebigger";
+static const char str3[] = "mestringblubblubblubblubblub";
+
+static int test_one_str(struct test_probe_read_user_str *skel, const char *str,
+			size_t len)
+{
+	int err, duration = 0;
+	char buf[256];
+
+	/* Ensure bytes after string are ones */
+	memset(buf, 1, sizeof(buf));
+	memcpy(buf, str, len);
+
+	/* Give prog our userspace pointer */
+	skel->bss->user_ptr = buf;
+
+	/* Trigger tracepoint */
+	usleep(1);
+
+	/* Did helper fail? */
+	if (CHECK(skel->bss->ret < 0, "prog_ret", "prog returned: %ld\n",
+		  skel->bss->ret))
+		return 1;
+
+	/* Check that string was copied correctly */
+	err = memcmp(skel->bss->buf, str, len);
+	if (CHECK(err, "memcmp", "prog copied wrong string"))
+		return 1;
+
+	/* Now check that no extra trailing bytes were copied */
+	memset(buf, 0, sizeof(buf));
+	err = memcmp(skel->bss->buf + len, buf, sizeof(buf) - len);
+	if (CHECK(err, "memcmp", "trailing bytes were not stripped"))
+		return 1;
+
+	return 0;
+}
+
+void test_probe_read_user_str(void)
+{
+	struct test_probe_read_user_str *skel;
+	int err, duration = 0;
+
+	skel = test_probe_read_user_str__open_and_load();
+	if (CHECK(!skel, "test_probe_read_user_str__open_and_load",
+		  "skeleton open and load failed\n"))
+		return;
+
+	/* Give pid to bpf prog so it doesn't read from anyone else */
+	skel->bss->pid = getpid();
+
+	err = test_probe_read_user_str__attach(skel);
+	if (CHECK(err, "test_probe_read_user_str__attach",
+		  "skeleton attach failed: %d\n", err))
+		goto out;
+
+	if (test_one_str(skel, str1, sizeof(str1)))
+		goto out;
+	if (test_one_str(skel, str2, sizeof(str2)))
+		goto out;
+	if (test_one_str(skel, str3, sizeof(str3)))
+		goto out;
+
+out:
+	test_probe_read_user_str__destroy(skel);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/probe_user.c b/tools/testing/selftests/bpf/prog_tests/probe_user.c
new file mode 100644
index 000000000..872167132
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/probe_user.c
@@ -0,0 +1,87 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <test_progs.h>
+
+/* TODO: corrupts other tests uses connect() */
+void serial_test_probe_user(void)
+{
+	static const char *const prog_names[] = {
+		"handle_sys_connect",
+#if defined(__s390x__)
+		"handle_sys_socketcall",
+#endif
+	};
+	enum { prog_count = ARRAY_SIZE(prog_names) };
+	const char *obj_file = "./test_probe_user.bpf.o";
+	DECLARE_LIBBPF_OPTS(bpf_object_open_opts, opts, );
+	int err, results_map_fd, sock_fd, duration = 0;
+	struct sockaddr curr, orig, tmp;
+	struct sockaddr_in *in = (struct sockaddr_in *)&curr;
+	struct bpf_link *kprobe_links[prog_count] = {};
+	struct bpf_program *kprobe_progs[prog_count];
+	struct bpf_object *obj;
+	static const int zero = 0;
+	size_t i;
+
+	obj = bpf_object__open_file(obj_file, &opts);
+	if (!ASSERT_OK_PTR(obj, "obj_open_file"))
+		return;
+
+	for (i = 0; i < prog_count; i++) {
+		kprobe_progs[i] =
+			bpf_object__find_program_by_name(obj, prog_names[i]);
+		if (CHECK(!kprobe_progs[i], "find_probe",
+			  "prog '%s' not found\n", prog_names[i]))
+			goto cleanup;
+	}
+
+	err = bpf_object__load(obj);
+	if (CHECK(err, "obj_load", "err %d\n", err))
+		goto cleanup;
+
+	results_map_fd = bpf_find_map(__func__, obj, "test_pro.bss");
+	if (CHECK(results_map_fd < 0, "find_bss_map",
+		  "err %d\n", results_map_fd))
+		goto cleanup;
+
+	for (i = 0; i < prog_count; i++) {
+		kprobe_links[i] = bpf_program__attach(kprobe_progs[i]);
+		if (!ASSERT_OK_PTR(kprobe_links[i], "attach_kprobe"))
+			goto cleanup;
+	}
+
+	memset(&curr, 0, sizeof(curr));
+	in->sin_family = AF_INET;
+	in->sin_port = htons(5555);
+	in->sin_addr.s_addr = inet_addr("255.255.255.255");
+	memcpy(&orig, &curr, sizeof(curr));
+
+	sock_fd = socket(AF_INET, SOCK_STREAM, 0);
+	if (CHECK(sock_fd < 0, "create_sock_fd", "err %d\n", sock_fd))
+		goto cleanup;
+
+	connect(sock_fd, &curr, sizeof(curr));
+	close(sock_fd);
+
+	err = bpf_map_lookup_elem(results_map_fd, &zero, &tmp);
+	if (CHECK(err, "get_kprobe_res",
+		  "failed to get kprobe res: %d\n", err))
+		goto cleanup;
+
+	in = (struct sockaddr_in *)&tmp;
+	if (CHECK(memcmp(&tmp, &orig, sizeof(orig)), "check_kprobe_res",
+		  "wrong kprobe res from probe read: %s:%u\n",
+		  inet_ntoa(in->sin_addr), ntohs(in->sin_port)))
+		goto cleanup;
+
+	memset(&tmp, 0xab, sizeof(tmp));
+
+	in = (struct sockaddr_in *)&curr;
+	if (CHECK(memcmp(&curr, &tmp, sizeof(tmp)), "check_kprobe_res",
+		  "wrong kprobe res from probe write: %s:%u\n",
+		  inet_ntoa(in->sin_addr), ntohs(in->sin_port)))
+		goto cleanup;
+cleanup:
+	for (i = 0; i < prog_count; i++)
+		bpf_link__destroy(kprobe_links[i]);
+	bpf_object__close(obj);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/prog_array_init.c b/tools/testing/selftests/bpf/prog_tests/prog_array_init.c
new file mode 100644
index 000000000..fc4657619
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/prog_array_init.c
@@ -0,0 +1,32 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* Copyright (c) 2021 Hengqi Chen */
+
+#include <test_progs.h>
+#include "test_prog_array_init.skel.h"
+
+void test_prog_array_init(void)
+{
+	struct test_prog_array_init *skel;
+	int err;
+
+	skel = test_prog_array_init__open();
+	if (!ASSERT_OK_PTR(skel, "could not open BPF object"))
+		return;
+
+	skel->rodata->my_pid = getpid();
+
+	err = test_prog_array_init__load(skel);
+	if (!ASSERT_OK(err, "could not load BPF object"))
+		goto cleanup;
+
+	skel->links.entry = bpf_program__attach_raw_tracepoint(skel->progs.entry, "sys_enter");
+	if (!ASSERT_OK_PTR(skel->links.entry, "could not attach BPF program"))
+		goto cleanup;
+
+	usleep(1);
+
+	ASSERT_EQ(skel->bss->value, 42, "unexpected value");
+
+cleanup:
+	test_prog_array_init__destroy(skel);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/prog_run_opts.c b/tools/testing/selftests/bpf/prog_tests/prog_run_opts.c
new file mode 100644
index 000000000..1ccd2bdf8
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/prog_run_opts.c
@@ -0,0 +1,77 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <test_progs.h>
+#include <network_helpers.h>
+
+#include "test_pkt_access.skel.h"
+
+static const __u32 duration;
+
+static void check_run_cnt(int prog_fd, __u64 run_cnt)
+{
+	struct bpf_prog_info info = {};
+	__u32 info_len = sizeof(info);
+	int err;
+
+	err = bpf_obj_get_info_by_fd(prog_fd, &info, &info_len);
+	if (CHECK(err, "get_prog_info", "failed to get bpf_prog_info for fd %d\n", prog_fd))
+		return;
+
+	CHECK(run_cnt != info.run_cnt, "run_cnt",
+	      "incorrect number of repetitions, want %llu have %llu\n", run_cnt, info.run_cnt);
+}
+
+void test_prog_run_opts(void)
+{
+	struct test_pkt_access *skel;
+	int err, stats_fd = -1, prog_fd;
+	char buf[10] = {};
+	__u64 run_cnt = 0;
+
+	LIBBPF_OPTS(bpf_test_run_opts, topts,
+		.repeat = 1,
+		.data_in = &pkt_v4,
+		.data_size_in = sizeof(pkt_v4),
+		.data_out = buf,
+		.data_size_out = 5,
+	);
+
+	stats_fd = bpf_enable_stats(BPF_STATS_RUN_TIME);
+	if (!ASSERT_GE(stats_fd, 0, "enable_stats good fd"))
+		return;
+
+	skel = test_pkt_access__open_and_load();
+	if (!ASSERT_OK_PTR(skel, "open_and_load"))
+		goto cleanup;
+
+	prog_fd = bpf_program__fd(skel->progs.test_pkt_access);
+
+	err = bpf_prog_test_run_opts(prog_fd, &topts);
+	ASSERT_EQ(errno, ENOSPC, "test_run errno");
+	ASSERT_ERR(err, "test_run");
+	ASSERT_OK(topts.retval, "test_run retval");
+
+	ASSERT_EQ(topts.data_size_out, sizeof(pkt_v4), "test_run data_size_out");
+	ASSERT_EQ(buf[5], 0, "overflow, BPF_PROG_TEST_RUN ignored size hint");
+
+	run_cnt += topts.repeat;
+	check_run_cnt(prog_fd, run_cnt);
+
+	topts.data_out = NULL;
+	topts.data_size_out = 0;
+	topts.repeat = 2;
+	errno = 0;
+
+	err = bpf_prog_test_run_opts(prog_fd, &topts);
+	ASSERT_OK(errno, "run_no_output errno");
+	ASSERT_OK(err, "run_no_output err");
+	ASSERT_OK(topts.retval, "run_no_output retval");
+
+	run_cnt += topts.repeat;
+	check_run_cnt(prog_fd, run_cnt);
+
+cleanup:
+	if (skel)
+		test_pkt_access__destroy(skel);
+	if (stats_fd >= 0)
+		close(stats_fd);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/prog_tests_framework.c b/tools/testing/selftests/bpf/prog_tests/prog_tests_framework.c
new file mode 100644
index 000000000..14f279607
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/prog_tests_framework.c
@@ -0,0 +1,56 @@
+// SPDX-License-Identifier: (LGPL-2.1 OR BSD-2-Clause)
+
+#include "test_progs.h"
+#include "testing_helpers.h"
+
+static void clear_test_state(struct test_state *state)
+{
+	state->error_cnt = 0;
+	state->sub_succ_cnt = 0;
+	state->skip_cnt = 0;
+}
+
+void test_prog_tests_framework(void)
+{
+	struct test_state *state = env.test_state;
+
+	/* in all the ASSERT calls below we need to return on the first
+	 * error due to the fact that we are cleaning the test state after
+	 * each dummy subtest
+	 */
+
+	/* test we properly count skipped tests with subtests */
+	if (test__start_subtest("test_good_subtest"))
+		test__end_subtest();
+	if (!ASSERT_EQ(state->skip_cnt, 0, "skip_cnt_check"))
+		return;
+	if (!ASSERT_EQ(state->error_cnt, 0, "error_cnt_check"))
+		return;
+	if (!ASSERT_EQ(state->subtest_num, 1, "subtest_num_check"))
+		return;
+	clear_test_state(state);
+
+	if (test__start_subtest("test_skip_subtest")) {
+		test__skip();
+		test__end_subtest();
+	}
+	if (test__start_subtest("test_skip_subtest")) {
+		test__skip();
+		test__end_subtest();
+	}
+	if (!ASSERT_EQ(state->skip_cnt, 2, "skip_cnt_check"))
+		return;
+	if (!ASSERT_EQ(state->subtest_num, 3, "subtest_num_check"))
+		return;
+	clear_test_state(state);
+
+	if (test__start_subtest("test_fail_subtest")) {
+		test__fail();
+		test__end_subtest();
+	}
+	if (!ASSERT_EQ(state->error_cnt, 1, "error_cnt_check"))
+		return;
+	if (!ASSERT_EQ(state->subtest_num, 4, "subtest_num_check"))
+		return;
+	clear_test_state(state);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/queue_stack_map.c b/tools/testing/selftests/bpf/prog_tests/queue_stack_map.c
new file mode 100644
index 000000000..722c5f2a7
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/queue_stack_map.c
@@ -0,0 +1,108 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <test_progs.h>
+#include <network_helpers.h>
+
+enum {
+	QUEUE,
+	STACK,
+};
+
+static void test_queue_stack_map_by_type(int type)
+{
+	const int MAP_SIZE = 32;
+	__u32 vals[MAP_SIZE], val;
+	int i, err, prog_fd, map_in_fd, map_out_fd;
+	char file[32], buf[128];
+	struct bpf_object *obj;
+	struct iphdr iph;
+	LIBBPF_OPTS(bpf_test_run_opts, topts,
+		.data_in = &pkt_v4,
+		.data_size_in = sizeof(pkt_v4),
+		.data_out = buf,
+		.data_size_out = sizeof(buf),
+		.repeat = 1,
+	);
+
+	/* Fill test values to be used */
+	for (i = 0; i < MAP_SIZE; i++)
+		vals[i] = rand();
+
+	if (type == QUEUE)
+		strncpy(file, "./test_queue_map.bpf.o", sizeof(file));
+	else if (type == STACK)
+		strncpy(file, "./test_stack_map.bpf.o", sizeof(file));
+	else
+		return;
+
+	err = bpf_prog_test_load(file, BPF_PROG_TYPE_SCHED_CLS, &obj, &prog_fd);
+	if (CHECK_FAIL(err))
+		return;
+
+	map_in_fd = bpf_find_map(__func__, obj, "map_in");
+	if (map_in_fd < 0)
+		goto out;
+
+	map_out_fd = bpf_find_map(__func__, obj, "map_out");
+	if (map_out_fd < 0)
+		goto out;
+
+	/* Push 32 elements to the input map */
+	for (i = 0; i < MAP_SIZE; i++) {
+		err = bpf_map_update_elem(map_in_fd, NULL, &vals[i], 0);
+		if (CHECK_FAIL(err))
+			goto out;
+	}
+
+	/* The eBPF program pushes iph.saddr in the output map,
+	 * pops the input map and saves this value in iph.daddr
+	 */
+	for (i = 0; i < MAP_SIZE; i++) {
+		if (type == QUEUE) {
+			val = vals[i];
+			pkt_v4.iph.saddr = vals[i] * 5;
+		} else if (type == STACK) {
+			val = vals[MAP_SIZE - 1 - i];
+			pkt_v4.iph.saddr = vals[MAP_SIZE - 1 - i] * 5;
+		}
+
+		topts.data_size_out = sizeof(buf);
+		err = bpf_prog_test_run_opts(prog_fd, &topts);
+		if (err || topts.retval ||
+		    topts.data_size_out != sizeof(pkt_v4))
+			break;
+		memcpy(&iph, buf + sizeof(struct ethhdr), sizeof(iph));
+		if (iph.daddr != val)
+			break;
+	}
+
+	ASSERT_OK(err, "bpf_map_pop_elem");
+	ASSERT_OK(topts.retval, "bpf_map_pop_elem test retval");
+	ASSERT_EQ(topts.data_size_out, sizeof(pkt_v4),
+		  "bpf_map_pop_elem data_size_out");
+	ASSERT_EQ(iph.daddr, val, "bpf_map_pop_elem iph.daddr");
+
+	/* Queue is empty, program should return TC_ACT_SHOT */
+	topts.data_size_out = sizeof(buf);
+	err = bpf_prog_test_run_opts(prog_fd, &topts);
+	ASSERT_OK(err, "check-queue-stack-map-empty");
+	ASSERT_EQ(topts.retval, 2  /* TC_ACT_SHOT */,
+		  "check-queue-stack-map-empty test retval");
+	ASSERT_EQ(topts.data_size_out, sizeof(pkt_v4),
+		  "check-queue-stack-map-empty data_size_out");
+
+	/* Check that the program pushed elements correctly */
+	for (i = 0; i < MAP_SIZE; i++) {
+		err = bpf_map_lookup_and_delete_elem(map_out_fd, NULL, &val);
+		ASSERT_OK(err, "bpf_map_lookup_and_delete_elem");
+		ASSERT_EQ(val, vals[i] * 5, "bpf_map_push_elem val");
+	}
+out:
+	pkt_v4.iph.saddr = 0;
+	bpf_object__close(obj);
+}
+
+void test_queue_stack_map(void)
+{
+	test_queue_stack_map_by_type(QUEUE);
+	test_queue_stack_map_by_type(STACK);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/raw_tp_test_run.c b/tools/testing/selftests/bpf/prog_tests/raw_tp_test_run.c
new file mode 100644
index 000000000..fe5b8fae2
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/raw_tp_test_run.c
@@ -0,0 +1,86 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/* Copyright (c) 2019 Facebook */
+#include <test_progs.h>
+#include <linux/bpf.h>
+#include "bpf/libbpf_internal.h"
+#include "test_raw_tp_test_run.skel.h"
+
+void test_raw_tp_test_run(void)
+{
+	int comm_fd = -1, err, nr_online, i, prog_fd;
+	__u64 args[2] = {0x1234ULL, 0x5678ULL};
+	int expected_retval = 0x1234 + 0x5678;
+	struct test_raw_tp_test_run *skel;
+	char buf[] = "new_name";
+	bool *online = NULL;
+	LIBBPF_OPTS(bpf_test_run_opts, opts,
+		.ctx_in = args,
+		.ctx_size_in = sizeof(args),
+		.flags = BPF_F_TEST_RUN_ON_CPU,
+	);
+
+	err = parse_cpu_mask_file("/sys/devices/system/cpu/online", &online,
+				  &nr_online);
+	if (!ASSERT_OK(err, "parse_cpu_mask_file"))
+		return;
+
+	skel = test_raw_tp_test_run__open_and_load();
+	if (!ASSERT_OK_PTR(skel, "skel_open"))
+		goto cleanup;
+
+	err = test_raw_tp_test_run__attach(skel);
+	if (!ASSERT_OK(err, "skel_attach"))
+		goto cleanup;
+
+	comm_fd = open("/proc/self/comm", O_WRONLY|O_TRUNC);
+	if (!ASSERT_GE(comm_fd, 0, "open /proc/self/comm"))
+		goto cleanup;
+
+	err = write(comm_fd, buf, sizeof(buf));
+	ASSERT_GE(err, 0, "task rename");
+
+	ASSERT_NEQ(skel->bss->count, 0, "check_count");
+	ASSERT_EQ(skel->data->on_cpu, 0xffffffff, "check_on_cpu");
+
+	prog_fd = bpf_program__fd(skel->progs.rename);
+	opts.ctx_in = args;
+	opts.ctx_size_in = sizeof(__u64);
+
+	err = bpf_prog_test_run_opts(prog_fd, &opts);
+	ASSERT_NEQ(err, 0, "test_run should fail for too small ctx");
+
+	opts.ctx_size_in = sizeof(args);
+	err = bpf_prog_test_run_opts(prog_fd, &opts);
+	ASSERT_OK(err, "test_run");
+	ASSERT_EQ(opts.retval, expected_retval, "check_retval");
+
+	for (i = 0; i < nr_online; i++) {
+		if (!online[i])
+			continue;
+
+		opts.cpu = i;
+		opts.retval = 0;
+		err = bpf_prog_test_run_opts(prog_fd, &opts);
+		ASSERT_OK(err, "test_run_opts");
+		ASSERT_EQ(skel->data->on_cpu, i, "check_on_cpu");
+		ASSERT_EQ(opts.retval, expected_retval, "check_retval");
+	}
+
+	/* invalid cpu ID should fail with ENXIO */
+	opts.cpu = 0xffffffff;
+	err = bpf_prog_test_run_opts(prog_fd, &opts);
+	ASSERT_EQ(errno, ENXIO, "test_run_opts should fail with ENXIO");
+	ASSERT_ERR(err, "test_run_opts_fail");
+
+	/* non-zero cpu w/o BPF_F_TEST_RUN_ON_CPU should fail with EINVAL */
+	opts.cpu = 1;
+	opts.flags = 0;
+	err = bpf_prog_test_run_opts(prog_fd, &opts);
+	ASSERT_EQ(errno, EINVAL, "test_run_opts should fail with EINVAL");
+	ASSERT_ERR(err, "test_run_opts_fail");
+
+cleanup:
+	close(comm_fd);
+	test_raw_tp_test_run__destroy(skel);
+	free(online);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/raw_tp_writable_reject_nbd_invalid.c b/tools/testing/selftests/bpf/prog_tests/raw_tp_writable_reject_nbd_invalid.c
new file mode 100644
index 000000000..e2f1445b0
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/raw_tp_writable_reject_nbd_invalid.c
@@ -0,0 +1,42 @@
+// SPDX-License-Identifier: GPL-2.0
+
+#include <test_progs.h>
+#include <linux/nbd.h>
+
+void test_raw_tp_writable_reject_nbd_invalid(void)
+{
+	__u32 duration = 0;
+	char error[4096];
+	int bpf_fd = -1, tp_fd = -1;
+
+	const struct bpf_insn program[] = {
+		/* r6 is our tp buffer */
+		BPF_LDX_MEM(BPF_DW, BPF_REG_6, BPF_REG_1, 0),
+		/* one byte beyond the end of the nbd_request struct */
+		BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_6,
+			    sizeof(struct nbd_request)),
+		BPF_EXIT_INSN(),
+	};
+
+	LIBBPF_OPTS(bpf_prog_load_opts, opts,
+		.log_level = 2,
+		.log_buf = error,
+		.log_size = sizeof(error),
+	);
+
+	bpf_fd = bpf_prog_load(BPF_PROG_TYPE_RAW_TRACEPOINT_WRITABLE, NULL, "GPL v2",
+			       program, sizeof(program) / sizeof(struct bpf_insn),
+			       &opts);
+	if (CHECK(bpf_fd < 0, "bpf_raw_tracepoint_writable load",
+		  "failed: %d errno %d\n", bpf_fd, errno))
+		return;
+
+	tp_fd = bpf_raw_tracepoint_open("nbd_send_request", bpf_fd);
+	if (CHECK(tp_fd >= 0, "bpf_raw_tracepoint_writable open",
+		  "erroneously succeeded\n"))
+		goto out_bpffd;
+
+	close(tp_fd);
+out_bpffd:
+	close(bpf_fd);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/raw_tp_writable_test_run.c b/tools/testing/selftests/bpf/prog_tests/raw_tp_writable_test_run.c
new file mode 100644
index 000000000..f4aa7dab4
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/raw_tp_writable_test_run.c
@@ -0,0 +1,82 @@
+// SPDX-License-Identifier: GPL-2.0
+
+#include <test_progs.h>
+#include <linux/nbd.h>
+
+/* NOTE: conflict with other tests. */
+void serial_test_raw_tp_writable_test_run(void)
+{
+	__u32 duration = 0;
+	char error[4096];
+
+	const struct bpf_insn trace_program[] = {
+		BPF_LDX_MEM(BPF_DW, BPF_REG_6, BPF_REG_1, 0),
+		BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_6, 0),
+		BPF_MOV64_IMM(BPF_REG_0, 42),
+		BPF_STX_MEM(BPF_W, BPF_REG_6, BPF_REG_0, 0),
+		BPF_EXIT_INSN(),
+	};
+
+	LIBBPF_OPTS(bpf_prog_load_opts, trace_opts,
+		.log_level = 2,
+		.log_buf = error,
+		.log_size = sizeof(error),
+	);
+
+	int bpf_fd = bpf_prog_load(BPF_PROG_TYPE_RAW_TRACEPOINT_WRITABLE, NULL, "GPL v2",
+				   trace_program, sizeof(trace_program) / sizeof(struct bpf_insn),
+				   &trace_opts);
+	if (CHECK(bpf_fd < 0, "bpf_raw_tracepoint_writable loaded",
+		  "failed: %d errno %d\n", bpf_fd, errno))
+		return;
+
+	const struct bpf_insn skb_program[] = {
+		BPF_MOV64_IMM(BPF_REG_0, 0),
+		BPF_EXIT_INSN(),
+	};
+
+	LIBBPF_OPTS(bpf_prog_load_opts, skb_opts,
+		.log_buf = error,
+		.log_size = sizeof(error),
+	);
+
+	int filter_fd = bpf_prog_load(BPF_PROG_TYPE_SOCKET_FILTER, NULL, "GPL v2",
+				      skb_program, sizeof(skb_program) / sizeof(struct bpf_insn),
+				      &skb_opts);
+	if (CHECK(filter_fd < 0, "test_program_loaded", "failed: %d errno %d\n",
+		  filter_fd, errno))
+		goto out_bpffd;
+
+	int tp_fd = bpf_raw_tracepoint_open("bpf_test_finish", bpf_fd);
+	if (CHECK(tp_fd < 0, "bpf_raw_tracepoint_writable opened",
+		  "failed: %d errno %d\n", tp_fd, errno))
+		goto out_filterfd;
+
+	char test_skb[128] = {
+		0,
+	};
+
+	LIBBPF_OPTS(bpf_test_run_opts, topts,
+		.data_in = test_skb,
+		.data_size_in = sizeof(test_skb),
+		.repeat = 1,
+	);
+	int err = bpf_prog_test_run_opts(filter_fd, &topts);
+	CHECK(err != 42, "test_run",
+	      "tracepoint did not modify return value\n");
+	CHECK(topts.retval != 0, "test_run_ret",
+	      "socket_filter did not return 0\n");
+
+	close(tp_fd);
+
+	err = bpf_prog_test_run_opts(filter_fd, &topts);
+	CHECK(err != 0, "test_run_notrace",
+	      "test_run failed with %d errno %d\n", err, errno);
+	CHECK(topts.retval != 0, "test_run_ret_notrace",
+	      "socket_filter did not return 0\n");
+
+out_filterfd:
+	close(filter_fd);
+out_bpffd:
+	close(bpf_fd);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/rdonly_maps.c b/tools/testing/selftests/bpf/prog_tests/rdonly_maps.c
new file mode 100644
index 000000000..19e2f2526
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/rdonly_maps.c
@@ -0,0 +1,89 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <test_progs.h>
+
+struct bss {
+	unsigned did_run;
+	unsigned iters;
+	unsigned sum;
+};
+
+struct rdonly_map_subtest {
+	const char *subtest_name;
+	const char *prog_name;
+	unsigned exp_iters;
+	unsigned exp_sum;
+};
+
+void test_rdonly_maps(void)
+{
+	const char *file = "test_rdonly_maps.bpf.o";
+	struct rdonly_map_subtest subtests[] = {
+		{ "skip loop", "skip_loop", 0, 0 },
+		{ "part loop", "part_loop", 3, 2 + 3 + 4 },
+		{ "full loop", "full_loop", 4, 2 + 3 + 4 + 5 },
+	};
+	int i, err, zero = 0, duration = 0;
+	struct bpf_link *link = NULL;
+	struct bpf_program *prog;
+	struct bpf_map *bss_map;
+	struct bpf_object *obj;
+	struct bss bss;
+
+	obj = bpf_object__open_file(file, NULL);
+	if (!ASSERT_OK_PTR(obj, "obj_open"))
+		return;
+
+	err = bpf_object__load(obj);
+	if (CHECK(err, "obj_load", "err %d errno %d\n", err, errno))
+		goto cleanup;
+
+	bss_map = bpf_object__find_map_by_name(obj, ".bss");
+	if (CHECK(!bss_map, "find_bss_map", "failed\n"))
+		goto cleanup;
+
+	for (i = 0; i < ARRAY_SIZE(subtests); i++) {
+		const struct rdonly_map_subtest *t = &subtests[i];
+
+		if (!test__start_subtest(t->subtest_name))
+			continue;
+
+		prog = bpf_object__find_program_by_name(obj, t->prog_name);
+		if (CHECK(!prog, "find_prog", "prog '%s' not found\n",
+			  t->prog_name))
+			goto cleanup;
+
+		memset(&bss, 0, sizeof(bss));
+		err = bpf_map_update_elem(bpf_map__fd(bss_map), &zero, &bss, 0);
+		if (CHECK(err, "set_bss", "failed to set bss data: %d\n", err))
+			goto cleanup;
+
+		link = bpf_program__attach_raw_tracepoint(prog, "sys_enter");
+		if (!ASSERT_OK_PTR(link, "attach_prog"))
+			goto cleanup;
+
+		/* trigger probe */
+		usleep(1);
+
+		bpf_link__destroy(link);
+		link = NULL;
+
+		err = bpf_map_lookup_elem(bpf_map__fd(bss_map), &zero, &bss);
+		if (CHECK(err, "get_bss", "failed to get bss data: %d\n", err))
+			goto cleanup;
+		if (CHECK(bss.did_run == 0, "check_run",
+			  "prog '%s' didn't run?\n", t->prog_name))
+			goto cleanup;
+		if (CHECK(bss.iters != t->exp_iters, "check_iters",
+			  "prog '%s' iters: %d, expected: %d\n",
+			  t->prog_name, bss.iters, t->exp_iters))
+			goto cleanup;
+		if (CHECK(bss.sum != t->exp_sum, "check_sum",
+			  "prog '%s' sum: %d, expected: %d\n",
+			  t->prog_name, bss.sum, t->exp_sum))
+			goto cleanup;
+	}
+
+cleanup:
+	bpf_link__destroy(link);
+	bpf_object__close(obj);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/recursion.c b/tools/testing/selftests/bpf/prog_tests/recursion.c
new file mode 100644
index 000000000..f3af2627b
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/recursion.c
@@ -0,0 +1,41 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2021 Facebook */
+#include <test_progs.h>
+#include "recursion.skel.h"
+
+void test_recursion(void)
+{
+	struct bpf_prog_info prog_info = {};
+	__u32 prog_info_len = sizeof(prog_info);
+	struct recursion *skel;
+	int key = 0;
+	int err;
+
+	skel = recursion__open_and_load();
+	if (!ASSERT_OK_PTR(skel, "skel_open_and_load"))
+		return;
+
+	err = recursion__attach(skel);
+	if (!ASSERT_OK(err, "skel_attach"))
+		goto out;
+
+	ASSERT_EQ(skel->bss->pass1, 0, "pass1 == 0");
+	bpf_map_delete_elem(bpf_map__fd(skel->maps.hash1), &key);
+	ASSERT_EQ(skel->bss->pass1, 1, "pass1 == 1");
+	bpf_map_delete_elem(bpf_map__fd(skel->maps.hash1), &key);
+	ASSERT_EQ(skel->bss->pass1, 2, "pass1 == 2");
+
+	ASSERT_EQ(skel->bss->pass2, 0, "pass2 == 0");
+	bpf_map_delete_elem(bpf_map__fd(skel->maps.hash2), &key);
+	ASSERT_EQ(skel->bss->pass2, 1, "pass2 == 1");
+	bpf_map_delete_elem(bpf_map__fd(skel->maps.hash2), &key);
+	ASSERT_EQ(skel->bss->pass2, 2, "pass2 == 2");
+
+	err = bpf_obj_get_info_by_fd(bpf_program__fd(skel->progs.on_delete),
+				     &prog_info, &prog_info_len);
+	if (!ASSERT_OK(err, "get_prog_info"))
+		goto out;
+	ASSERT_EQ(prog_info.recursion_misses, 2, "recursion_misses");
+out:
+	recursion__destroy(skel);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/reference_tracking.c b/tools/testing/selftests/bpf/prog_tests/reference_tracking.c
new file mode 100644
index 000000000..d863205bb
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/reference_tracking.c
@@ -0,0 +1,63 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <test_progs.h>
+
+void test_reference_tracking(void)
+{
+	const char *file = "test_sk_lookup_kern.bpf.o";
+	const char *obj_name = "ref_track";
+	DECLARE_LIBBPF_OPTS(bpf_object_open_opts, open_opts,
+		.object_name = obj_name,
+		.relaxed_maps = true,
+	);
+	struct bpf_object *obj_iter, *obj = NULL;
+	struct bpf_program *prog;
+	__u32 duration = 0;
+	int err = 0;
+
+	obj_iter = bpf_object__open_file(file, &open_opts);
+	if (!ASSERT_OK_PTR(obj_iter, "obj_iter_open_file"))
+		return;
+
+	if (CHECK(strcmp(bpf_object__name(obj_iter), obj_name), "obj_name",
+		  "wrong obj name '%s', expected '%s'\n",
+		  bpf_object__name(obj_iter), obj_name))
+		goto cleanup;
+
+	bpf_object__for_each_program(prog, obj_iter) {
+		struct bpf_program *p;
+		const char *name;
+
+		name = bpf_program__name(prog);
+		if (!test__start_subtest(name))
+			continue;
+
+		obj = bpf_object__open_file(file, &open_opts);
+		if (!ASSERT_OK_PTR(obj, "obj_open_file"))
+			goto cleanup;
+
+		/* all programs are not loaded by default, so just set
+		 * autoload to true for the single prog under test
+		 */
+		p = bpf_object__find_program_by_name(obj, name);
+		bpf_program__set_autoload(p, true);
+
+		/* Expect verifier failure if test name has 'err' */
+		if (strncmp(name, "err_", sizeof("err_") - 1) == 0) {
+			libbpf_print_fn_t old_print_fn;
+
+			old_print_fn = libbpf_set_print(NULL);
+			err = !bpf_object__load(obj);
+			libbpf_set_print(old_print_fn);
+		} else {
+			err = bpf_object__load(obj);
+		}
+		ASSERT_OK(err, name);
+
+		bpf_object__close(obj);
+		obj = NULL;
+	}
+
+cleanup:
+	bpf_object__close(obj);
+	bpf_object__close(obj_iter);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/resolve_btfids.c b/tools/testing/selftests/bpf/prog_tests/resolve_btfids.c
new file mode 100644
index 000000000..f81d08d42
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/resolve_btfids.c
@@ -0,0 +1,167 @@
+// SPDX-License-Identifier: GPL-2.0
+
+#include <linux/err.h>
+#include <string.h>
+#include <bpf/btf.h>
+#include <bpf/libbpf.h>
+#include <linux/btf.h>
+#include <linux/kernel.h>
+#define CONFIG_DEBUG_INFO_BTF
+#include <linux/btf_ids.h>
+#include "test_progs.h"
+
+static int duration;
+
+struct symbol {
+	const char	*name;
+	int		 type;
+	int		 id;
+};
+
+struct symbol test_symbols[] = {
+	{ "unused",  BTF_KIND_UNKN,     0 },
+	{ "S",       BTF_KIND_TYPEDEF, -1 },
+	{ "T",       BTF_KIND_TYPEDEF, -1 },
+	{ "U",       BTF_KIND_TYPEDEF, -1 },
+	{ "S",       BTF_KIND_STRUCT,  -1 },
+	{ "U",       BTF_KIND_UNION,   -1 },
+	{ "func",    BTF_KIND_FUNC,    -1 },
+};
+
+/* Align the .BTF_ids section to 4 bytes */
+asm (
+".pushsection " BTF_IDS_SECTION " ,\"a\"; \n"
+".balign 4, 0;                            \n"
+".popsection;                             \n");
+
+BTF_ID_LIST(test_list_local)
+BTF_ID_UNUSED
+BTF_ID(typedef, S)
+BTF_ID(typedef, T)
+BTF_ID(typedef, U)
+BTF_ID(struct,  S)
+BTF_ID(union,   U)
+BTF_ID(func,    func)
+
+extern __u32 test_list_global[];
+BTF_ID_LIST_GLOBAL(test_list_global, 1)
+BTF_ID_UNUSED
+BTF_ID(typedef, S)
+BTF_ID(typedef, T)
+BTF_ID(typedef, U)
+BTF_ID(struct,  S)
+BTF_ID(union,   U)
+BTF_ID(func,    func)
+
+BTF_SET_START(test_set)
+BTF_ID(typedef, S)
+BTF_ID(typedef, T)
+BTF_ID(typedef, U)
+BTF_ID(struct,  S)
+BTF_ID(union,   U)
+BTF_ID(func,    func)
+BTF_SET_END(test_set)
+
+static int
+__resolve_symbol(struct btf *btf, int type_id)
+{
+	const struct btf_type *type;
+	const char *str;
+	unsigned int i;
+
+	type = btf__type_by_id(btf, type_id);
+	if (!type) {
+		PRINT_FAIL("Failed to get type for ID %d\n", type_id);
+		return -1;
+	}
+
+	for (i = 0; i < ARRAY_SIZE(test_symbols); i++) {
+		if (test_symbols[i].id >= 0)
+			continue;
+
+		if (BTF_INFO_KIND(type->info) != test_symbols[i].type)
+			continue;
+
+		str = btf__name_by_offset(btf, type->name_off);
+		if (!str) {
+			PRINT_FAIL("Failed to get name for BTF ID %d\n", type_id);
+			return -1;
+		}
+
+		if (!strcmp(str, test_symbols[i].name))
+			test_symbols[i].id = type_id;
+	}
+
+	return 0;
+}
+
+static int resolve_symbols(void)
+{
+	struct btf *btf;
+	int type_id;
+	__u32 nr;
+
+	btf = btf__parse_elf("btf_data.bpf.o", NULL);
+	if (CHECK(libbpf_get_error(btf), "resolve",
+		  "Failed to load BTF from btf_data.o\n"))
+		return -1;
+
+	nr = btf__type_cnt(btf);
+
+	for (type_id = 1; type_id < nr; type_id++) {
+		if (__resolve_symbol(btf, type_id))
+			break;
+	}
+
+	btf__free(btf);
+	return 0;
+}
+
+void test_resolve_btfids(void)
+{
+	__u32 *test_list, *test_lists[] = { test_list_local, test_list_global };
+	unsigned int i, j;
+	int ret = 0;
+
+	if (resolve_symbols())
+		return;
+
+	/* Check BTF_ID_LIST(test_list_local) and
+	 * BTF_ID_LIST_GLOBAL(test_list_global) IDs
+	 */
+	for (j = 0; j < ARRAY_SIZE(test_lists); j++) {
+		test_list = test_lists[j];
+		for (i = 0; i < ARRAY_SIZE(test_symbols); i++) {
+			ret = CHECK(test_list[i] != test_symbols[i].id,
+				    "id_check",
+				    "wrong ID for %s (%d != %d)\n",
+				    test_symbols[i].name,
+				    test_list[i], test_symbols[i].id);
+			if (ret)
+				return;
+		}
+	}
+
+	/* Check BTF_SET_START(test_set) IDs */
+	for (i = 0; i < test_set.cnt; i++) {
+		bool found = false;
+
+		for (j = 0; j < ARRAY_SIZE(test_symbols); j++) {
+			if (test_symbols[j].id != test_set.ids[i])
+				continue;
+			found = true;
+			break;
+		}
+
+		ret = CHECK(!found, "id_check",
+			    "ID %d not found in test_symbols\n",
+			    test_set.ids[i]);
+		if (ret)
+			break;
+
+		if (i > 0) {
+			if (!ASSERT_LE(test_set.ids[i - 1], test_set.ids[i], "sort_check"))
+				return;
+		}
+	}
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/ringbuf.c b/tools/testing/selftests/bpf/prog_tests/ringbuf.c
new file mode 100644
index 000000000..9a80fe8a6
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/ringbuf.c
@@ -0,0 +1,299 @@
+// SPDX-License-Identifier: GPL-2.0
+#define _GNU_SOURCE
+#include <linux/compiler.h>
+#include <asm/barrier.h>
+#include <test_progs.h>
+#include <sys/mman.h>
+#include <sys/epoll.h>
+#include <time.h>
+#include <sched.h>
+#include <signal.h>
+#include <pthread.h>
+#include <sys/sysinfo.h>
+#include <linux/perf_event.h>
+#include <linux/ring_buffer.h>
+#include "test_ringbuf.lskel.h"
+
+#define EDONE 7777
+
+static int duration = 0;
+
+struct sample {
+	int pid;
+	int seq;
+	long value;
+	char comm[16];
+};
+
+static int sample_cnt;
+
+static void atomic_inc(int *cnt)
+{
+	__atomic_add_fetch(cnt, 1, __ATOMIC_SEQ_CST);
+}
+
+static int atomic_xchg(int *cnt, int val)
+{
+	return __atomic_exchange_n(cnt, val, __ATOMIC_SEQ_CST);
+}
+
+static int process_sample(void *ctx, void *data, size_t len)
+{
+	struct sample *s = data;
+
+	atomic_inc(&sample_cnt);
+
+	switch (s->seq) {
+	case 0:
+		CHECK(s->value != 333, "sample1_value", "exp %ld, got %ld\n",
+		      333L, s->value);
+		return 0;
+	case 1:
+		CHECK(s->value != 777, "sample2_value", "exp %ld, got %ld\n",
+		      777L, s->value);
+		return -EDONE;
+	default:
+		/* we don't care about the rest */
+		return 0;
+	}
+}
+
+static struct test_ringbuf_lskel *skel;
+static struct ring_buffer *ringbuf;
+
+static void trigger_samples()
+{
+	skel->bss->dropped = 0;
+	skel->bss->total = 0;
+	skel->bss->discarded = 0;
+
+	/* trigger exactly two samples */
+	skel->bss->value = 333;
+	syscall(__NR_getpgid);
+	skel->bss->value = 777;
+	syscall(__NR_getpgid);
+}
+
+static void *poll_thread(void *input)
+{
+	long timeout = (long)input;
+
+	return (void *)(long)ring_buffer__poll(ringbuf, timeout);
+}
+
+void test_ringbuf(void)
+{
+	const size_t rec_sz = BPF_RINGBUF_HDR_SZ + sizeof(struct sample);
+	pthread_t thread;
+	long bg_ret = -1;
+	int err, cnt, rb_fd;
+	int page_size = getpagesize();
+	void *mmap_ptr, *tmp_ptr;
+
+	skel = test_ringbuf_lskel__open();
+	if (CHECK(!skel, "skel_open", "skeleton open failed\n"))
+		return;
+
+	skel->maps.ringbuf.max_entries = page_size;
+
+	err = test_ringbuf_lskel__load(skel);
+	if (CHECK(err != 0, "skel_load", "skeleton load failed\n"))
+		goto cleanup;
+
+	rb_fd = skel->maps.ringbuf.map_fd;
+	/* good read/write cons_pos */
+	mmap_ptr = mmap(NULL, page_size, PROT_READ | PROT_WRITE, MAP_SHARED, rb_fd, 0);
+	ASSERT_OK_PTR(mmap_ptr, "rw_cons_pos");
+	tmp_ptr = mremap(mmap_ptr, page_size, 2 * page_size, MREMAP_MAYMOVE);
+	if (!ASSERT_ERR_PTR(tmp_ptr, "rw_extend"))
+		goto cleanup;
+	ASSERT_ERR(mprotect(mmap_ptr, page_size, PROT_EXEC), "exec_cons_pos_protect");
+	ASSERT_OK(munmap(mmap_ptr, page_size), "unmap_rw");
+
+	/* bad writeable prod_pos */
+	mmap_ptr = mmap(NULL, page_size, PROT_WRITE, MAP_SHARED, rb_fd, page_size);
+	err = -errno;
+	ASSERT_ERR_PTR(mmap_ptr, "wr_prod_pos");
+	ASSERT_EQ(err, -EPERM, "wr_prod_pos_err");
+
+	/* bad writeable data pages */
+	mmap_ptr = mmap(NULL, page_size, PROT_WRITE, MAP_SHARED, rb_fd, 2 * page_size);
+	err = -errno;
+	ASSERT_ERR_PTR(mmap_ptr, "wr_data_page_one");
+	ASSERT_EQ(err, -EPERM, "wr_data_page_one_err");
+	mmap_ptr = mmap(NULL, page_size, PROT_WRITE, MAP_SHARED, rb_fd, 3 * page_size);
+	ASSERT_ERR_PTR(mmap_ptr, "wr_data_page_two");
+	mmap_ptr = mmap(NULL, 2 * page_size, PROT_WRITE, MAP_SHARED, rb_fd, 2 * page_size);
+	ASSERT_ERR_PTR(mmap_ptr, "wr_data_page_all");
+
+	/* good read-only pages */
+	mmap_ptr = mmap(NULL, 4 * page_size, PROT_READ, MAP_SHARED, rb_fd, 0);
+	if (!ASSERT_OK_PTR(mmap_ptr, "ro_prod_pos"))
+		goto cleanup;
+
+	ASSERT_ERR(mprotect(mmap_ptr, 4 * page_size, PROT_WRITE), "write_protect");
+	ASSERT_ERR(mprotect(mmap_ptr, 4 * page_size, PROT_EXEC), "exec_protect");
+	ASSERT_ERR_PTR(mremap(mmap_ptr, 0, 4 * page_size, MREMAP_MAYMOVE), "ro_remap");
+	ASSERT_OK(munmap(mmap_ptr, 4 * page_size), "unmap_ro");
+
+	/* good read-only pages with initial offset */
+	mmap_ptr = mmap(NULL, page_size, PROT_READ, MAP_SHARED, rb_fd, page_size);
+	if (!ASSERT_OK_PTR(mmap_ptr, "ro_prod_pos"))
+		goto cleanup;
+
+	ASSERT_ERR(mprotect(mmap_ptr, page_size, PROT_WRITE), "write_protect");
+	ASSERT_ERR(mprotect(mmap_ptr, page_size, PROT_EXEC), "exec_protect");
+	ASSERT_ERR_PTR(mremap(mmap_ptr, 0, 3 * page_size, MREMAP_MAYMOVE), "ro_remap");
+	ASSERT_OK(munmap(mmap_ptr, page_size), "unmap_ro");
+
+	/* only trigger BPF program for current process */
+	skel->bss->pid = getpid();
+
+	ringbuf = ring_buffer__new(skel->maps.ringbuf.map_fd,
+				   process_sample, NULL, NULL);
+	if (CHECK(!ringbuf, "ringbuf_create", "failed to create ringbuf\n"))
+		goto cleanup;
+
+	err = test_ringbuf_lskel__attach(skel);
+	if (CHECK(err, "skel_attach", "skeleton attachment failed: %d\n", err))
+		goto cleanup;
+
+	trigger_samples();
+
+	/* 2 submitted + 1 discarded records */
+	CHECK(skel->bss->avail_data != 3 * rec_sz,
+	      "err_avail_size", "exp %ld, got %ld\n",
+	      3L * rec_sz, skel->bss->avail_data);
+	CHECK(skel->bss->ring_size != page_size,
+	      "err_ring_size", "exp %ld, got %ld\n",
+	      (long)page_size, skel->bss->ring_size);
+	CHECK(skel->bss->cons_pos != 0,
+	      "err_cons_pos", "exp %ld, got %ld\n",
+	      0L, skel->bss->cons_pos);
+	CHECK(skel->bss->prod_pos != 3 * rec_sz,
+	      "err_prod_pos", "exp %ld, got %ld\n",
+	      3L * rec_sz, skel->bss->prod_pos);
+
+	/* poll for samples */
+	err = ring_buffer__poll(ringbuf, -1);
+
+	/* -EDONE is used as an indicator that we are done */
+	if (CHECK(err != -EDONE, "err_done", "done err: %d\n", err))
+		goto cleanup;
+	cnt = atomic_xchg(&sample_cnt, 0);
+	CHECK(cnt != 2, "cnt", "exp %d samples, got %d\n", 2, cnt);
+
+	/* we expect extra polling to return nothing */
+	err = ring_buffer__poll(ringbuf, 0);
+	if (CHECK(err != 0, "extra_samples", "poll result: %d\n", err))
+		goto cleanup;
+	cnt = atomic_xchg(&sample_cnt, 0);
+	CHECK(cnt != 0, "cnt", "exp %d samples, got %d\n", 0, cnt);
+
+	CHECK(skel->bss->dropped != 0, "err_dropped", "exp %ld, got %ld\n",
+	      0L, skel->bss->dropped);
+	CHECK(skel->bss->total != 2, "err_total", "exp %ld, got %ld\n",
+	      2L, skel->bss->total);
+	CHECK(skel->bss->discarded != 1, "err_discarded", "exp %ld, got %ld\n",
+	      1L, skel->bss->discarded);
+
+	/* now validate consumer position is updated and returned */
+	trigger_samples();
+	CHECK(skel->bss->cons_pos != 3 * rec_sz,
+	      "err_cons_pos", "exp %ld, got %ld\n",
+	      3L * rec_sz, skel->bss->cons_pos);
+	err = ring_buffer__poll(ringbuf, -1);
+	CHECK(err <= 0, "poll_err", "err %d\n", err);
+	cnt = atomic_xchg(&sample_cnt, 0);
+	CHECK(cnt != 2, "cnt", "exp %d samples, got %d\n", 2, cnt);
+
+	/* start poll in background w/ long timeout */
+	err = pthread_create(&thread, NULL, poll_thread, (void *)(long)10000);
+	if (CHECK(err, "bg_poll", "pthread_create failed: %d\n", err))
+		goto cleanup;
+
+	/* turn off notifications now */
+	skel->bss->flags = BPF_RB_NO_WAKEUP;
+
+	/* give background thread a bit of a time */
+	usleep(50000);
+	trigger_samples();
+	/* sleeping arbitrarily is bad, but no better way to know that
+	 * epoll_wait() **DID NOT** unblock in background thread
+	 */
+	usleep(50000);
+	/* background poll should still be blocked */
+	err = pthread_tryjoin_np(thread, (void **)&bg_ret);
+	if (CHECK(err != EBUSY, "try_join", "err %d\n", err))
+		goto cleanup;
+
+	/* BPF side did everything right */
+	CHECK(skel->bss->dropped != 0, "err_dropped", "exp %ld, got %ld\n",
+	      0L, skel->bss->dropped);
+	CHECK(skel->bss->total != 2, "err_total", "exp %ld, got %ld\n",
+	      2L, skel->bss->total);
+	CHECK(skel->bss->discarded != 1, "err_discarded", "exp %ld, got %ld\n",
+	      1L, skel->bss->discarded);
+	cnt = atomic_xchg(&sample_cnt, 0);
+	CHECK(cnt != 0, "cnt", "exp %d samples, got %d\n", 0, cnt);
+
+	/* clear flags to return to "adaptive" notification mode */
+	skel->bss->flags = 0;
+
+	/* produce new samples, no notification should be triggered, because
+	 * consumer is now behind
+	 */
+	trigger_samples();
+
+	/* background poll should still be blocked */
+	err = pthread_tryjoin_np(thread, (void **)&bg_ret);
+	if (CHECK(err != EBUSY, "try_join", "err %d\n", err))
+		goto cleanup;
+
+	/* still no samples, because consumer is behind */
+	cnt = atomic_xchg(&sample_cnt, 0);
+	CHECK(cnt != 0, "cnt", "exp %d samples, got %d\n", 0, cnt);
+
+	skel->bss->dropped = 0;
+	skel->bss->total = 0;
+	skel->bss->discarded = 0;
+
+	skel->bss->value = 333;
+	syscall(__NR_getpgid);
+	/* now force notifications */
+	skel->bss->flags = BPF_RB_FORCE_WAKEUP;
+	skel->bss->value = 777;
+	syscall(__NR_getpgid);
+
+	/* now we should get a pending notification */
+	usleep(50000);
+	err = pthread_tryjoin_np(thread, (void **)&bg_ret);
+	if (CHECK(err, "join_bg", "err %d\n", err))
+		goto cleanup;
+
+	if (CHECK(bg_ret <= 0, "bg_ret", "epoll_wait result: %ld", bg_ret))
+		goto cleanup;
+
+	/* due to timing variations, there could still be non-notified
+	 * samples, so consume them here to collect all the samples
+	 */
+	err = ring_buffer__consume(ringbuf);
+	CHECK(err < 0, "rb_consume", "failed: %d\b", err);
+
+	/* 3 rounds, 2 samples each */
+	cnt = atomic_xchg(&sample_cnt, 0);
+	CHECK(cnt != 6, "cnt", "exp %d samples, got %d\n", 6, cnt);
+
+	/* BPF side did everything right */
+	CHECK(skel->bss->dropped != 0, "err_dropped", "exp %ld, got %ld\n",
+	      0L, skel->bss->dropped);
+	CHECK(skel->bss->total != 2, "err_total", "exp %ld, got %ld\n",
+	      2L, skel->bss->total);
+	CHECK(skel->bss->discarded != 1, "err_discarded", "exp %ld, got %ld\n",
+	      1L, skel->bss->discarded);
+
+	test_ringbuf_lskel__detach(skel);
+cleanup:
+	ring_buffer__free(ringbuf);
+	test_ringbuf_lskel__destroy(skel);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/ringbuf_multi.c b/tools/testing/selftests/bpf/prog_tests/ringbuf_multi.c
new file mode 100644
index 000000000..1455911d9
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/ringbuf_multi.c
@@ -0,0 +1,132 @@
+// SPDX-License-Identifier: GPL-2.0
+#define _GNU_SOURCE
+#include <test_progs.h>
+#include <sys/epoll.h>
+#include "test_ringbuf_multi.skel.h"
+
+static int duration = 0;
+
+struct sample {
+	int pid;
+	int seq;
+	long value;
+	char comm[16];
+};
+
+static int process_sample(void *ctx, void *data, size_t len)
+{
+	int ring = (unsigned long)ctx;
+	struct sample *s = data;
+
+	switch (s->seq) {
+	case 0:
+		CHECK(ring != 1, "sample1_ring", "exp %d, got %d\n", 1, ring);
+		CHECK(s->value != 333, "sample1_value", "exp %ld, got %ld\n",
+		      333L, s->value);
+		break;
+	case 1:
+		CHECK(ring != 2, "sample2_ring", "exp %d, got %d\n", 2, ring);
+		CHECK(s->value != 777, "sample2_value", "exp %ld, got %ld\n",
+		      777L, s->value);
+		break;
+	default:
+		CHECK(true, "extra_sample", "unexpected sample seq %d, val %ld\n",
+		      s->seq, s->value);
+		return -1;
+	}
+
+	return 0;
+}
+
+void test_ringbuf_multi(void)
+{
+	struct test_ringbuf_multi *skel;
+	struct ring_buffer *ringbuf = NULL;
+	int err;
+	int page_size = getpagesize();
+	int proto_fd = -1;
+
+	skel = test_ringbuf_multi__open();
+	if (CHECK(!skel, "skel_open", "skeleton open failed\n"))
+		return;
+
+	/* validate ringbuf size adjustment logic */
+	ASSERT_EQ(bpf_map__max_entries(skel->maps.ringbuf1), page_size, "rb1_size_before");
+	ASSERT_OK(bpf_map__set_max_entries(skel->maps.ringbuf1, page_size + 1), "rb1_resize");
+	ASSERT_EQ(bpf_map__max_entries(skel->maps.ringbuf1), 2 * page_size, "rb1_size_after");
+	ASSERT_OK(bpf_map__set_max_entries(skel->maps.ringbuf1, page_size), "rb1_reset");
+	ASSERT_EQ(bpf_map__max_entries(skel->maps.ringbuf1), page_size, "rb1_size_final");
+
+	proto_fd = bpf_map_create(BPF_MAP_TYPE_RINGBUF, NULL, 0, 0, page_size, NULL);
+	if (CHECK(proto_fd < 0, "bpf_map_create", "bpf_map_create failed\n"))
+		goto cleanup;
+
+	err = bpf_map__set_inner_map_fd(skel->maps.ringbuf_hash, proto_fd);
+	if (CHECK(err != 0, "bpf_map__set_inner_map_fd", "bpf_map__set_inner_map_fd failed\n"))
+		goto cleanup;
+
+	err = test_ringbuf_multi__load(skel);
+	if (CHECK(err != 0, "skel_load", "skeleton load failed\n"))
+		goto cleanup;
+
+	close(proto_fd);
+	proto_fd = -1;
+
+	/* make sure we can't resize ringbuf after object load */
+	if (!ASSERT_ERR(bpf_map__set_max_entries(skel->maps.ringbuf1, 3 * page_size), "rb1_resize_after_load"))
+		goto cleanup;
+
+	/* only trigger BPF program for current process */
+	skel->bss->pid = getpid();
+
+	ringbuf = ring_buffer__new(bpf_map__fd(skel->maps.ringbuf1),
+				   process_sample, (void *)(long)1, NULL);
+	if (CHECK(!ringbuf, "ringbuf_create", "failed to create ringbuf\n"))
+		goto cleanup;
+
+	err = ring_buffer__add(ringbuf, bpf_map__fd(skel->maps.ringbuf2),
+			      process_sample, (void *)(long)2);
+	if (CHECK(err, "ringbuf_add", "failed to add another ring\n"))
+		goto cleanup;
+
+	err = test_ringbuf_multi__attach(skel);
+	if (CHECK(err, "skel_attach", "skeleton attachment failed: %d\n", err))
+		goto cleanup;
+
+	/* trigger few samples, some will be skipped */
+	skel->bss->target_ring = 0;
+	skel->bss->value = 333;
+	syscall(__NR_getpgid);
+
+	/* skipped, no ringbuf in slot 1 */
+	skel->bss->target_ring = 1;
+	skel->bss->value = 555;
+	syscall(__NR_getpgid);
+
+	skel->bss->target_ring = 2;
+	skel->bss->value = 777;
+	syscall(__NR_getpgid);
+
+	/* poll for samples, should get 2 ringbufs back */
+	err = ring_buffer__poll(ringbuf, -1);
+	if (CHECK(err != 2, "poll_res", "expected 2 records, got %d\n", err))
+		goto cleanup;
+
+	/* expect extra polling to return nothing */
+	err = ring_buffer__poll(ringbuf, 0);
+	if (CHECK(err < 0, "extra_samples", "poll result: %d\n", err))
+		goto cleanup;
+
+	CHECK(skel->bss->dropped != 0, "err_dropped", "exp %ld, got %ld\n",
+	      0L, skel->bss->dropped);
+	CHECK(skel->bss->skipped != 1, "err_skipped", "exp %ld, got %ld\n",
+	      1L, skel->bss->skipped);
+	CHECK(skel->bss->total != 2, "err_total", "exp %ld, got %ld\n",
+	      2L, skel->bss->total);
+
+cleanup:
+	if (proto_fd >= 0)
+		close(proto_fd);
+	ring_buffer__free(ringbuf);
+	test_ringbuf_multi__destroy(skel);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/section_names.c b/tools/testing/selftests/bpf/prog_tests/section_names.c
new file mode 100644
index 000000000..8b571890c
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/section_names.c
@@ -0,0 +1,215 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (c) 2018 Facebook
+#include <test_progs.h>
+
+static int duration = 0;
+
+struct sec_name_test {
+	const char sec_name[32];
+	struct {
+		int rc;
+		enum bpf_prog_type prog_type;
+		enum bpf_attach_type expected_attach_type;
+	} expected_load;
+	struct {
+		int rc;
+		enum bpf_attach_type attach_type;
+	} expected_attach;
+};
+
+static struct sec_name_test tests[] = {
+	{"InvAliD", {-ESRCH, 0, 0}, {-EINVAL, 0} },
+	{"cgroup", {-ESRCH, 0, 0}, {-EINVAL, 0} },
+	{"socket", {0, BPF_PROG_TYPE_SOCKET_FILTER, 0}, {-EINVAL, 0} },
+	{"kprobe/", {0, BPF_PROG_TYPE_KPROBE, 0}, {-EINVAL, 0} },
+	{"uprobe/", {0, BPF_PROG_TYPE_KPROBE, 0}, {-EINVAL, 0} },
+	{"kretprobe/", {0, BPF_PROG_TYPE_KPROBE, 0}, {-EINVAL, 0} },
+	{"uretprobe/", {0, BPF_PROG_TYPE_KPROBE, 0}, {-EINVAL, 0} },
+	{"classifier", {0, BPF_PROG_TYPE_SCHED_CLS, 0}, {-EINVAL, 0} },
+	{"action", {0, BPF_PROG_TYPE_SCHED_ACT, 0}, {-EINVAL, 0} },
+	{"tracepoint/", {0, BPF_PROG_TYPE_TRACEPOINT, 0}, {-EINVAL, 0} },
+	{"tp/", {0, BPF_PROG_TYPE_TRACEPOINT, 0}, {-EINVAL, 0} },
+	{
+		"raw_tracepoint/",
+		{0, BPF_PROG_TYPE_RAW_TRACEPOINT, 0},
+		{-EINVAL, 0},
+	},
+	{"raw_tp/", {0, BPF_PROG_TYPE_RAW_TRACEPOINT, 0}, {-EINVAL, 0} },
+	{"xdp", {0, BPF_PROG_TYPE_XDP, BPF_XDP}, {0, BPF_XDP} },
+	{"perf_event", {0, BPF_PROG_TYPE_PERF_EVENT, 0}, {-EINVAL, 0} },
+	{"lwt_in", {0, BPF_PROG_TYPE_LWT_IN, 0}, {-EINVAL, 0} },
+	{"lwt_out", {0, BPF_PROG_TYPE_LWT_OUT, 0}, {-EINVAL, 0} },
+	{"lwt_xmit", {0, BPF_PROG_TYPE_LWT_XMIT, 0}, {-EINVAL, 0} },
+	{"lwt_seg6local", {0, BPF_PROG_TYPE_LWT_SEG6LOCAL, 0}, {-EINVAL, 0} },
+	{
+		"cgroup_skb/ingress",
+		{0, BPF_PROG_TYPE_CGROUP_SKB, BPF_CGROUP_INET_INGRESS},
+		{0, BPF_CGROUP_INET_INGRESS},
+	},
+	{
+		"cgroup_skb/egress",
+		{0, BPF_PROG_TYPE_CGROUP_SKB, BPF_CGROUP_INET_EGRESS},
+		{0, BPF_CGROUP_INET_EGRESS},
+	},
+	{"cgroup/skb", {0, BPF_PROG_TYPE_CGROUP_SKB, 0}, {-EINVAL, 0} },
+	{
+		"cgroup/sock",
+		{0, BPF_PROG_TYPE_CGROUP_SOCK, BPF_CGROUP_INET_SOCK_CREATE},
+		{0, BPF_CGROUP_INET_SOCK_CREATE},
+	},
+	{
+		"cgroup/post_bind4",
+		{0, BPF_PROG_TYPE_CGROUP_SOCK, BPF_CGROUP_INET4_POST_BIND},
+		{0, BPF_CGROUP_INET4_POST_BIND},
+	},
+	{
+		"cgroup/post_bind6",
+		{0, BPF_PROG_TYPE_CGROUP_SOCK, BPF_CGROUP_INET6_POST_BIND},
+		{0, BPF_CGROUP_INET6_POST_BIND},
+	},
+	{
+		"cgroup/dev",
+		{0, BPF_PROG_TYPE_CGROUP_DEVICE, BPF_CGROUP_DEVICE},
+		{0, BPF_CGROUP_DEVICE},
+	},
+	{
+		"sockops",
+		{0, BPF_PROG_TYPE_SOCK_OPS, BPF_CGROUP_SOCK_OPS},
+		{0, BPF_CGROUP_SOCK_OPS},
+	},
+	{
+		"sk_skb/stream_parser",
+		{0, BPF_PROG_TYPE_SK_SKB, BPF_SK_SKB_STREAM_PARSER},
+		{0, BPF_SK_SKB_STREAM_PARSER},
+	},
+	{
+		"sk_skb/stream_verdict",
+		{0, BPF_PROG_TYPE_SK_SKB, BPF_SK_SKB_STREAM_VERDICT},
+		{0, BPF_SK_SKB_STREAM_VERDICT},
+	},
+	{"sk_skb", {0, BPF_PROG_TYPE_SK_SKB, 0}, {-EINVAL, 0} },
+	{
+		"sk_msg",
+		{0, BPF_PROG_TYPE_SK_MSG, BPF_SK_MSG_VERDICT},
+		{0, BPF_SK_MSG_VERDICT},
+	},
+	{
+		"lirc_mode2",
+		{0, BPF_PROG_TYPE_LIRC_MODE2, BPF_LIRC_MODE2},
+		{0, BPF_LIRC_MODE2},
+	},
+	{
+		"flow_dissector",
+		{0, BPF_PROG_TYPE_FLOW_DISSECTOR, BPF_FLOW_DISSECTOR},
+		{0, BPF_FLOW_DISSECTOR},
+	},
+	{
+		"cgroup/bind4",
+		{0, BPF_PROG_TYPE_CGROUP_SOCK_ADDR, BPF_CGROUP_INET4_BIND},
+		{0, BPF_CGROUP_INET4_BIND},
+	},
+	{
+		"cgroup/bind6",
+		{0, BPF_PROG_TYPE_CGROUP_SOCK_ADDR, BPF_CGROUP_INET6_BIND},
+		{0, BPF_CGROUP_INET6_BIND},
+	},
+	{
+		"cgroup/connect4",
+		{0, BPF_PROG_TYPE_CGROUP_SOCK_ADDR, BPF_CGROUP_INET4_CONNECT},
+		{0, BPF_CGROUP_INET4_CONNECT},
+	},
+	{
+		"cgroup/connect6",
+		{0, BPF_PROG_TYPE_CGROUP_SOCK_ADDR, BPF_CGROUP_INET6_CONNECT},
+		{0, BPF_CGROUP_INET6_CONNECT},
+	},
+	{
+		"cgroup/sendmsg4",
+		{0, BPF_PROG_TYPE_CGROUP_SOCK_ADDR, BPF_CGROUP_UDP4_SENDMSG},
+		{0, BPF_CGROUP_UDP4_SENDMSG},
+	},
+	{
+		"cgroup/sendmsg6",
+		{0, BPF_PROG_TYPE_CGROUP_SOCK_ADDR, BPF_CGROUP_UDP6_SENDMSG},
+		{0, BPF_CGROUP_UDP6_SENDMSG},
+	},
+	{
+		"cgroup/recvmsg4",
+		{0, BPF_PROG_TYPE_CGROUP_SOCK_ADDR, BPF_CGROUP_UDP4_RECVMSG},
+		{0, BPF_CGROUP_UDP4_RECVMSG},
+	},
+	{
+		"cgroup/recvmsg6",
+		{0, BPF_PROG_TYPE_CGROUP_SOCK_ADDR, BPF_CGROUP_UDP6_RECVMSG},
+		{0, BPF_CGROUP_UDP6_RECVMSG},
+	},
+	{
+		"cgroup/sysctl",
+		{0, BPF_PROG_TYPE_CGROUP_SYSCTL, BPF_CGROUP_SYSCTL},
+		{0, BPF_CGROUP_SYSCTL},
+	},
+	{
+		"cgroup/getsockopt",
+		{0, BPF_PROG_TYPE_CGROUP_SOCKOPT, BPF_CGROUP_GETSOCKOPT},
+		{0, BPF_CGROUP_GETSOCKOPT},
+	},
+	{
+		"cgroup/setsockopt",
+		{0, BPF_PROG_TYPE_CGROUP_SOCKOPT, BPF_CGROUP_SETSOCKOPT},
+		{0, BPF_CGROUP_SETSOCKOPT},
+	},
+};
+
+static void test_prog_type_by_name(const struct sec_name_test *test)
+{
+	enum bpf_attach_type expected_attach_type;
+	enum bpf_prog_type prog_type;
+	int rc;
+
+	rc = libbpf_prog_type_by_name(test->sec_name, &prog_type,
+				      &expected_attach_type);
+
+	CHECK(rc != test->expected_load.rc, "check_code",
+	      "prog: unexpected rc=%d for %s\n", rc, test->sec_name);
+
+	if (rc)
+		return;
+
+	CHECK(prog_type != test->expected_load.prog_type, "check_prog_type",
+	      "prog: unexpected prog_type=%d for %s\n",
+	      prog_type, test->sec_name);
+
+	CHECK(expected_attach_type != test->expected_load.expected_attach_type,
+	      "check_attach_type", "prog: unexpected expected_attach_type=%d for %s\n",
+	      expected_attach_type, test->sec_name);
+}
+
+static void test_attach_type_by_name(const struct sec_name_test *test)
+{
+	enum bpf_attach_type attach_type;
+	int rc;
+
+	rc = libbpf_attach_type_by_name(test->sec_name, &attach_type);
+
+	CHECK(rc != test->expected_attach.rc, "check_ret",
+	      "attach: unexpected rc=%d for %s\n", rc, test->sec_name);
+
+	if (rc)
+		return;
+
+	CHECK(attach_type != test->expected_attach.attach_type,
+	      "check_attach_type", "attach: unexpected attach_type=%d for %s\n",
+	      attach_type, test->sec_name);
+}
+
+void test_section_names(void)
+{
+	int i;
+
+	for (i = 0; i < ARRAY_SIZE(tests); ++i) {
+		struct sec_name_test *test = &tests[i];
+
+		test_prog_type_by_name(test);
+		test_attach_type_by_name(test);
+	}
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/select_reuseport.c b/tools/testing/selftests/bpf/prog_tests/select_reuseport.c
new file mode 100644
index 000000000..64c5f5eb2
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/select_reuseport.c
@@ -0,0 +1,870 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2018 Facebook */
+
+#include <stdlib.h>
+#include <unistd.h>
+#include <stdbool.h>
+#include <string.h>
+#include <errno.h>
+#include <assert.h>
+#include <fcntl.h>
+#include <linux/bpf.h>
+#include <linux/err.h>
+#include <linux/types.h>
+#include <linux/if_ether.h>
+#include <sys/types.h>
+#include <sys/epoll.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <bpf/bpf.h>
+#include <bpf/libbpf.h>
+#include "bpf_util.h"
+
+#include "test_progs.h"
+#include "test_select_reuseport_common.h"
+
+#define MAX_TEST_NAME 80
+#define MIN_TCPHDR_LEN 20
+#define UDPHDR_LEN 8
+
+#define TCP_SYNCOOKIE_SYSCTL "/proc/sys/net/ipv4/tcp_syncookies"
+#define TCP_FO_SYSCTL "/proc/sys/net/ipv4/tcp_fastopen"
+#define REUSEPORT_ARRAY_SIZE 32
+
+static int result_map, tmp_index_ovr_map, linum_map, data_check_map;
+static __u32 expected_results[NR_RESULTS];
+static int sk_fds[REUSEPORT_ARRAY_SIZE];
+static int reuseport_array = -1, outer_map = -1;
+static enum bpf_map_type inner_map_type;
+static int select_by_skb_data_prog;
+static int saved_tcp_syncookie = -1;
+static struct bpf_object *obj;
+static int saved_tcp_fo = -1;
+static __u32 index_zero;
+static int epfd;
+
+static union sa46 {
+	struct sockaddr_in6 v6;
+	struct sockaddr_in v4;
+	sa_family_t family;
+} srv_sa;
+
+#define RET_IF(condition, tag, format...) ({				\
+	if (CHECK_FAIL(condition)) {					\
+		printf(tag " " format);					\
+		return;							\
+	}								\
+})
+
+#define RET_ERR(condition, tag, format...) ({				\
+	if (CHECK_FAIL(condition)) {					\
+		printf(tag " " format);					\
+		return -1;						\
+	}								\
+})
+
+static int create_maps(enum bpf_map_type inner_type)
+{
+	LIBBPF_OPTS(bpf_map_create_opts, opts);
+
+	inner_map_type = inner_type;
+
+	/* Creating reuseport_array */
+	reuseport_array = bpf_map_create(inner_type, "reuseport_array",
+					 sizeof(__u32), sizeof(__u32), REUSEPORT_ARRAY_SIZE, NULL);
+	RET_ERR(reuseport_array < 0, "creating reuseport_array",
+		"reuseport_array:%d errno:%d\n", reuseport_array, errno);
+
+	/* Creating outer_map */
+	opts.inner_map_fd = reuseport_array;
+	outer_map = bpf_map_create(BPF_MAP_TYPE_ARRAY_OF_MAPS, "outer_map",
+				   sizeof(__u32), sizeof(__u32), 1, &opts);
+	RET_ERR(outer_map < 0, "creating outer_map",
+		"outer_map:%d errno:%d\n", outer_map, errno);
+
+	return 0;
+}
+
+static int prepare_bpf_obj(void)
+{
+	struct bpf_program *prog;
+	struct bpf_map *map;
+	int err;
+
+	obj = bpf_object__open("test_select_reuseport_kern.bpf.o");
+	err = libbpf_get_error(obj);
+	RET_ERR(err, "open test_select_reuseport_kern.bpf.o",
+		"obj:%p PTR_ERR(obj):%d\n", obj, err);
+
+	map = bpf_object__find_map_by_name(obj, "outer_map");
+	RET_ERR(!map, "find outer_map", "!map\n");
+	err = bpf_map__reuse_fd(map, outer_map);
+	RET_ERR(err, "reuse outer_map", "err:%d\n", err);
+
+	err = bpf_object__load(obj);
+	RET_ERR(err, "load bpf_object", "err:%d\n", err);
+
+	prog = bpf_object__next_program(obj, NULL);
+	RET_ERR(!prog, "get first bpf_program", "!prog\n");
+	select_by_skb_data_prog = bpf_program__fd(prog);
+	RET_ERR(select_by_skb_data_prog < 0, "get prog fd",
+		"select_by_skb_data_prog:%d\n", select_by_skb_data_prog);
+
+	map = bpf_object__find_map_by_name(obj, "result_map");
+	RET_ERR(!map, "find result_map", "!map\n");
+	result_map = bpf_map__fd(map);
+	RET_ERR(result_map < 0, "get result_map fd",
+		"result_map:%d\n", result_map);
+
+	map = bpf_object__find_map_by_name(obj, "tmp_index_ovr_map");
+	RET_ERR(!map, "find tmp_index_ovr_map\n", "!map");
+	tmp_index_ovr_map = bpf_map__fd(map);
+	RET_ERR(tmp_index_ovr_map < 0, "get tmp_index_ovr_map fd",
+		"tmp_index_ovr_map:%d\n", tmp_index_ovr_map);
+
+	map = bpf_object__find_map_by_name(obj, "linum_map");
+	RET_ERR(!map, "find linum_map", "!map\n");
+	linum_map = bpf_map__fd(map);
+	RET_ERR(linum_map < 0, "get linum_map fd",
+		"linum_map:%d\n", linum_map);
+
+	map = bpf_object__find_map_by_name(obj, "data_check_map");
+	RET_ERR(!map, "find data_check_map", "!map\n");
+	data_check_map = bpf_map__fd(map);
+	RET_ERR(data_check_map < 0, "get data_check_map fd",
+		"data_check_map:%d\n", data_check_map);
+
+	return 0;
+}
+
+static void sa46_init_loopback(union sa46 *sa, sa_family_t family)
+{
+	memset(sa, 0, sizeof(*sa));
+	sa->family = family;
+	if (sa->family == AF_INET6)
+		sa->v6.sin6_addr = in6addr_loopback;
+	else
+		sa->v4.sin_addr.s_addr = htonl(INADDR_LOOPBACK);
+}
+
+static void sa46_init_inany(union sa46 *sa, sa_family_t family)
+{
+	memset(sa, 0, sizeof(*sa));
+	sa->family = family;
+	if (sa->family == AF_INET6)
+		sa->v6.sin6_addr = in6addr_any;
+	else
+		sa->v4.sin_addr.s_addr = INADDR_ANY;
+}
+
+static int read_int_sysctl(const char *sysctl)
+{
+	char buf[16];
+	int fd, ret;
+
+	fd = open(sysctl, 0);
+	RET_ERR(fd == -1, "open(sysctl)",
+		"sysctl:%s fd:%d errno:%d\n", sysctl, fd, errno);
+
+	ret = read(fd, buf, sizeof(buf));
+	RET_ERR(ret <= 0, "read(sysctl)",
+		"sysctl:%s ret:%d errno:%d\n", sysctl, ret, errno);
+
+	close(fd);
+	return atoi(buf);
+}
+
+static int write_int_sysctl(const char *sysctl, int v)
+{
+	int fd, ret, size;
+	char buf[16];
+
+	fd = open(sysctl, O_RDWR);
+	RET_ERR(fd == -1, "open(sysctl)",
+		"sysctl:%s fd:%d errno:%d\n", sysctl, fd, errno);
+
+	size = snprintf(buf, sizeof(buf), "%d", v);
+	ret = write(fd, buf, size);
+	RET_ERR(ret != size, "write(sysctl)",
+		"sysctl:%s ret:%d size:%d errno:%d\n",
+		sysctl, ret, size, errno);
+
+	close(fd);
+	return 0;
+}
+
+static void restore_sysctls(void)
+{
+	if (saved_tcp_fo != -1)
+		write_int_sysctl(TCP_FO_SYSCTL, saved_tcp_fo);
+	if (saved_tcp_syncookie != -1)
+		write_int_sysctl(TCP_SYNCOOKIE_SYSCTL, saved_tcp_syncookie);
+}
+
+static int enable_fastopen(void)
+{
+	int fo;
+
+	fo = read_int_sysctl(TCP_FO_SYSCTL);
+	if (fo < 0)
+		return -1;
+
+	return write_int_sysctl(TCP_FO_SYSCTL, fo | 7);
+}
+
+static int enable_syncookie(void)
+{
+	return write_int_sysctl(TCP_SYNCOOKIE_SYSCTL, 2);
+}
+
+static int disable_syncookie(void)
+{
+	return write_int_sysctl(TCP_SYNCOOKIE_SYSCTL, 0);
+}
+
+static long get_linum(void)
+{
+	__u32 linum;
+	int err;
+
+	err = bpf_map_lookup_elem(linum_map, &index_zero, &linum);
+	RET_ERR(err < 0, "lookup_elem(linum_map)", "err:%d errno:%d\n",
+		err, errno);
+
+	return linum;
+}
+
+static void check_data(int type, sa_family_t family, const struct cmd *cmd,
+		       int cli_fd)
+{
+	struct data_check expected = {}, result;
+	union sa46 cli_sa;
+	socklen_t addrlen;
+	int err;
+
+	addrlen = sizeof(cli_sa);
+	err = getsockname(cli_fd, (struct sockaddr *)&cli_sa,
+			  &addrlen);
+	RET_IF(err < 0, "getsockname(cli_fd)", "err:%d errno:%d\n",
+	       err, errno);
+
+	err = bpf_map_lookup_elem(data_check_map, &index_zero, &result);
+	RET_IF(err < 0, "lookup_elem(data_check_map)", "err:%d errno:%d\n",
+	       err, errno);
+
+	if (type == SOCK_STREAM) {
+		expected.len = MIN_TCPHDR_LEN;
+		expected.ip_protocol = IPPROTO_TCP;
+	} else {
+		expected.len = UDPHDR_LEN;
+		expected.ip_protocol = IPPROTO_UDP;
+	}
+
+	if (family == AF_INET6) {
+		expected.eth_protocol = htons(ETH_P_IPV6);
+		expected.bind_inany = !srv_sa.v6.sin6_addr.s6_addr32[3] &&
+			!srv_sa.v6.sin6_addr.s6_addr32[2] &&
+			!srv_sa.v6.sin6_addr.s6_addr32[1] &&
+			!srv_sa.v6.sin6_addr.s6_addr32[0];
+
+		memcpy(&expected.skb_addrs[0], cli_sa.v6.sin6_addr.s6_addr32,
+		       sizeof(cli_sa.v6.sin6_addr));
+		memcpy(&expected.skb_addrs[4], &in6addr_loopback,
+		       sizeof(in6addr_loopback));
+		expected.skb_ports[0] = cli_sa.v6.sin6_port;
+		expected.skb_ports[1] = srv_sa.v6.sin6_port;
+	} else {
+		expected.eth_protocol = htons(ETH_P_IP);
+		expected.bind_inany = !srv_sa.v4.sin_addr.s_addr;
+
+		expected.skb_addrs[0] = cli_sa.v4.sin_addr.s_addr;
+		expected.skb_addrs[1] = htonl(INADDR_LOOPBACK);
+		expected.skb_ports[0] = cli_sa.v4.sin_port;
+		expected.skb_ports[1] = srv_sa.v4.sin_port;
+	}
+
+	if (memcmp(&result, &expected, offsetof(struct data_check,
+						equal_check_end))) {
+		printf("unexpected data_check\n");
+		printf("  result: (0x%x, %u, %u)\n",
+		       result.eth_protocol, result.ip_protocol,
+		       result.bind_inany);
+		printf("expected: (0x%x, %u, %u)\n",
+		       expected.eth_protocol, expected.ip_protocol,
+		       expected.bind_inany);
+		RET_IF(1, "data_check result != expected",
+		       "bpf_prog_linum:%ld\n", get_linum());
+	}
+
+	RET_IF(!result.hash, "data_check result.hash empty",
+	       "result.hash:%u", result.hash);
+
+	expected.len += cmd ? sizeof(*cmd) : 0;
+	if (type == SOCK_STREAM)
+		RET_IF(expected.len > result.len, "expected.len > result.len",
+		       "expected.len:%u result.len:%u bpf_prog_linum:%ld\n",
+		       expected.len, result.len, get_linum());
+	else
+		RET_IF(expected.len != result.len, "expected.len != result.len",
+		       "expected.len:%u result.len:%u bpf_prog_linum:%ld\n",
+		       expected.len, result.len, get_linum());
+}
+
+static const char *result_to_str(enum result res)
+{
+	switch (res) {
+	case DROP_ERR_INNER_MAP:
+		return "DROP_ERR_INNER_MAP";
+	case DROP_ERR_SKB_DATA:
+		return "DROP_ERR_SKB_DATA";
+	case DROP_ERR_SK_SELECT_REUSEPORT:
+		return "DROP_ERR_SK_SELECT_REUSEPORT";
+	case DROP_MISC:
+		return "DROP_MISC";
+	case PASS:
+		return "PASS";
+	case PASS_ERR_SK_SELECT_REUSEPORT:
+		return "PASS_ERR_SK_SELECT_REUSEPORT";
+	default:
+		return "UNKNOWN";
+	}
+}
+
+static void check_results(void)
+{
+	__u32 results[NR_RESULTS];
+	__u32 i, broken = 0;
+	int err;
+
+	for (i = 0; i < NR_RESULTS; i++) {
+		err = bpf_map_lookup_elem(result_map, &i, &results[i]);
+		RET_IF(err < 0, "lookup_elem(result_map)",
+		       "i:%u err:%d errno:%d\n", i, err, errno);
+	}
+
+	for (i = 0; i < NR_RESULTS; i++) {
+		if (results[i] != expected_results[i]) {
+			broken = i;
+			break;
+		}
+	}
+
+	if (i == NR_RESULTS)
+		return;
+
+	printf("unexpected result\n");
+	printf(" result: [");
+	printf("%u", results[0]);
+	for (i = 1; i < NR_RESULTS; i++)
+		printf(", %u", results[i]);
+	printf("]\n");
+
+	printf("expected: [");
+	printf("%u", expected_results[0]);
+	for (i = 1; i < NR_RESULTS; i++)
+		printf(", %u", expected_results[i]);
+	printf("]\n");
+
+	printf("mismatch on %s (bpf_prog_linum:%ld)\n", result_to_str(broken),
+	       get_linum());
+
+	CHECK_FAIL(true);
+}
+
+static int send_data(int type, sa_family_t family, void *data, size_t len,
+		     enum result expected)
+{
+	union sa46 cli_sa;
+	int fd, err;
+
+	fd = socket(family, type, 0);
+	RET_ERR(fd == -1, "socket()", "fd:%d errno:%d\n", fd, errno);
+
+	sa46_init_loopback(&cli_sa, family);
+	err = bind(fd, (struct sockaddr *)&cli_sa, sizeof(cli_sa));
+	RET_ERR(fd == -1, "bind(cli_sa)", "err:%d errno:%d\n", err, errno);
+
+	err = sendto(fd, data, len, MSG_FASTOPEN, (struct sockaddr *)&srv_sa,
+		     sizeof(srv_sa));
+	RET_ERR(err != len && expected >= PASS,
+		"sendto()", "family:%u err:%d errno:%d expected:%d\n",
+		family, err, errno, expected);
+
+	return fd;
+}
+
+static void do_test(int type, sa_family_t family, struct cmd *cmd,
+		    enum result expected)
+{
+	int nev, srv_fd, cli_fd;
+	struct epoll_event ev;
+	struct cmd rcv_cmd;
+	ssize_t nread;
+
+	cli_fd = send_data(type, family, cmd, cmd ? sizeof(*cmd) : 0,
+			   expected);
+	if (cli_fd < 0)
+		return;
+	nev = epoll_wait(epfd, &ev, 1, expected >= PASS ? 5 : 0);
+	RET_IF((nev <= 0 && expected >= PASS) ||
+	       (nev > 0 && expected < PASS),
+	       "nev <> expected",
+	       "nev:%d expected:%d type:%d family:%d data:(%d, %d)\n",
+	       nev, expected, type, family,
+	       cmd ? cmd->reuseport_index : -1,
+	       cmd ? cmd->pass_on_failure : -1);
+	check_results();
+	check_data(type, family, cmd, cli_fd);
+
+	if (expected < PASS)
+		return;
+
+	RET_IF(expected != PASS_ERR_SK_SELECT_REUSEPORT &&
+	       cmd->reuseport_index != ev.data.u32,
+	       "check cmd->reuseport_index",
+	       "cmd:(%u, %u) ev.data.u32:%u\n",
+	       cmd->pass_on_failure, cmd->reuseport_index, ev.data.u32);
+
+	srv_fd = sk_fds[ev.data.u32];
+	if (type == SOCK_STREAM) {
+		int new_fd = accept(srv_fd, NULL, 0);
+
+		RET_IF(new_fd == -1, "accept(srv_fd)",
+		       "ev.data.u32:%u new_fd:%d errno:%d\n",
+		       ev.data.u32, new_fd, errno);
+
+		nread = recv(new_fd, &rcv_cmd, sizeof(rcv_cmd), MSG_DONTWAIT);
+		RET_IF(nread != sizeof(rcv_cmd),
+		       "recv(new_fd)",
+		       "ev.data.u32:%u nread:%zd sizeof(rcv_cmd):%zu errno:%d\n",
+		       ev.data.u32, nread, sizeof(rcv_cmd), errno);
+
+		close(new_fd);
+	} else {
+		nread = recv(srv_fd, &rcv_cmd, sizeof(rcv_cmd), MSG_DONTWAIT);
+		RET_IF(nread != sizeof(rcv_cmd),
+		       "recv(sk_fds)",
+		       "ev.data.u32:%u nread:%zd sizeof(rcv_cmd):%zu errno:%d\n",
+		       ev.data.u32, nread, sizeof(rcv_cmd), errno);
+	}
+
+	close(cli_fd);
+}
+
+static void test_err_inner_map(int type, sa_family_t family)
+{
+	struct cmd cmd = {
+		.reuseport_index = 0,
+		.pass_on_failure = 0,
+	};
+
+	expected_results[DROP_ERR_INNER_MAP]++;
+	do_test(type, family, &cmd, DROP_ERR_INNER_MAP);
+}
+
+static void test_err_skb_data(int type, sa_family_t family)
+{
+	expected_results[DROP_ERR_SKB_DATA]++;
+	do_test(type, family, NULL, DROP_ERR_SKB_DATA);
+}
+
+static void test_err_sk_select_port(int type, sa_family_t family)
+{
+	struct cmd cmd = {
+		.reuseport_index = REUSEPORT_ARRAY_SIZE,
+		.pass_on_failure = 0,
+	};
+
+	expected_results[DROP_ERR_SK_SELECT_REUSEPORT]++;
+	do_test(type, family, &cmd, DROP_ERR_SK_SELECT_REUSEPORT);
+}
+
+static void test_pass(int type, sa_family_t family)
+{
+	struct cmd cmd;
+	int i;
+
+	cmd.pass_on_failure = 0;
+	for (i = 0; i < REUSEPORT_ARRAY_SIZE; i++) {
+		expected_results[PASS]++;
+		cmd.reuseport_index = i;
+		do_test(type, family, &cmd, PASS);
+	}
+}
+
+static void test_syncookie(int type, sa_family_t family)
+{
+	int err, tmp_index = 1;
+	struct cmd cmd = {
+		.reuseport_index = 0,
+		.pass_on_failure = 0,
+	};
+
+	/*
+	 * +1 for TCP-SYN and
+	 * +1 for the TCP-ACK (ack the syncookie)
+	 */
+	expected_results[PASS] += 2;
+	enable_syncookie();
+	/*
+	 * Simulate TCP-SYN and TCP-ACK are handled by two different sk:
+	 * TCP-SYN: select sk_fds[tmp_index = 1] tmp_index is from the
+	 *          tmp_index_ovr_map
+	 * TCP-ACK: select sk_fds[reuseport_index = 0] reuseport_index
+	 *          is from the cmd.reuseport_index
+	 */
+	err = bpf_map_update_elem(tmp_index_ovr_map, &index_zero,
+				  &tmp_index, BPF_ANY);
+	RET_IF(err < 0, "update_elem(tmp_index_ovr_map, 0, 1)",
+	       "err:%d errno:%d\n", err, errno);
+	do_test(type, family, &cmd, PASS);
+	err = bpf_map_lookup_elem(tmp_index_ovr_map, &index_zero,
+				  &tmp_index);
+	RET_IF(err < 0 || tmp_index >= 0,
+	       "lookup_elem(tmp_index_ovr_map)",
+	       "err:%d errno:%d tmp_index:%d\n",
+	       err, errno, tmp_index);
+	disable_syncookie();
+}
+
+static void test_pass_on_err(int type, sa_family_t family)
+{
+	struct cmd cmd = {
+		.reuseport_index = REUSEPORT_ARRAY_SIZE,
+		.pass_on_failure = 1,
+	};
+
+	expected_results[PASS_ERR_SK_SELECT_REUSEPORT] += 1;
+	do_test(type, family, &cmd, PASS_ERR_SK_SELECT_REUSEPORT);
+}
+
+static void test_detach_bpf(int type, sa_family_t family)
+{
+#ifdef SO_DETACH_REUSEPORT_BPF
+	__u32 nr_run_before = 0, nr_run_after = 0, tmp, i;
+	struct epoll_event ev;
+	int cli_fd, err, nev;
+	struct cmd cmd = {};
+	int optvalue = 0;
+
+	err = setsockopt(sk_fds[0], SOL_SOCKET, SO_DETACH_REUSEPORT_BPF,
+			 &optvalue, sizeof(optvalue));
+	RET_IF(err == -1, "setsockopt(SO_DETACH_REUSEPORT_BPF)",
+	       "err:%d errno:%d\n", err, errno);
+
+	err = setsockopt(sk_fds[1], SOL_SOCKET, SO_DETACH_REUSEPORT_BPF,
+			 &optvalue, sizeof(optvalue));
+	RET_IF(err == 0 || errno != ENOENT,
+	       "setsockopt(SO_DETACH_REUSEPORT_BPF)",
+	       "err:%d errno:%d\n", err, errno);
+
+	for (i = 0; i < NR_RESULTS; i++) {
+		err = bpf_map_lookup_elem(result_map, &i, &tmp);
+		RET_IF(err < 0, "lookup_elem(result_map)",
+		       "i:%u err:%d errno:%d\n", i, err, errno);
+		nr_run_before += tmp;
+	}
+
+	cli_fd = send_data(type, family, &cmd, sizeof(cmd), PASS);
+	if (cli_fd < 0)
+		return;
+	nev = epoll_wait(epfd, &ev, 1, 5);
+	RET_IF(nev <= 0, "nev <= 0",
+	       "nev:%d expected:1 type:%d family:%d data:(0, 0)\n",
+	       nev,  type, family);
+
+	for (i = 0; i < NR_RESULTS; i++) {
+		err = bpf_map_lookup_elem(result_map, &i, &tmp);
+		RET_IF(err < 0, "lookup_elem(result_map)",
+		       "i:%u err:%d errno:%d\n", i, err, errno);
+		nr_run_after += tmp;
+	}
+
+	RET_IF(nr_run_before != nr_run_after,
+	       "nr_run_before != nr_run_after",
+	       "nr_run_before:%u nr_run_after:%u\n",
+	       nr_run_before, nr_run_after);
+
+	close(cli_fd);
+#else
+	test__skip();
+#endif
+}
+
+static void prepare_sk_fds(int type, sa_family_t family, bool inany)
+{
+	const int first = REUSEPORT_ARRAY_SIZE - 1;
+	int i, err, optval = 1;
+	struct epoll_event ev;
+	socklen_t addrlen;
+
+	if (inany)
+		sa46_init_inany(&srv_sa, family);
+	else
+		sa46_init_loopback(&srv_sa, family);
+	addrlen = sizeof(srv_sa);
+
+	/*
+	 * The sk_fds[] is filled from the back such that the order
+	 * is exactly opposite to the (struct sock_reuseport *)reuse->socks[].
+	 */
+	for (i = first; i >= 0; i--) {
+		sk_fds[i] = socket(family, type, 0);
+		RET_IF(sk_fds[i] == -1, "socket()", "sk_fds[%d]:%d errno:%d\n",
+		       i, sk_fds[i], errno);
+		err = setsockopt(sk_fds[i], SOL_SOCKET, SO_REUSEPORT,
+				 &optval, sizeof(optval));
+		RET_IF(err == -1, "setsockopt(SO_REUSEPORT)",
+		       "sk_fds[%d] err:%d errno:%d\n",
+		       i, err, errno);
+
+		if (i == first) {
+			err = setsockopt(sk_fds[i], SOL_SOCKET,
+					 SO_ATTACH_REUSEPORT_EBPF,
+					 &select_by_skb_data_prog,
+					 sizeof(select_by_skb_data_prog));
+			RET_IF(err < 0, "setsockopt(SO_ATTACH_REUEPORT_EBPF)",
+			       "err:%d errno:%d\n", err, errno);
+		}
+
+		err = bind(sk_fds[i], (struct sockaddr *)&srv_sa, addrlen);
+		RET_IF(err < 0, "bind()", "sk_fds[%d] err:%d errno:%d\n",
+		       i, err, errno);
+
+		if (type == SOCK_STREAM) {
+			err = listen(sk_fds[i], 10);
+			RET_IF(err < 0, "listen()",
+			       "sk_fds[%d] err:%d errno:%d\n",
+			       i, err, errno);
+		}
+
+		err = bpf_map_update_elem(reuseport_array, &i, &sk_fds[i],
+					  BPF_NOEXIST);
+		RET_IF(err < 0, "update_elem(reuseport_array)",
+		       "sk_fds[%d] err:%d errno:%d\n", i, err, errno);
+
+		if (i == first) {
+			socklen_t addrlen = sizeof(srv_sa);
+
+			err = getsockname(sk_fds[i], (struct sockaddr *)&srv_sa,
+					  &addrlen);
+			RET_IF(err == -1, "getsockname()",
+			       "sk_fds[%d] err:%d errno:%d\n", i, err, errno);
+		}
+	}
+
+	epfd = epoll_create(1);
+	RET_IF(epfd == -1, "epoll_create(1)",
+	       "epfd:%d errno:%d\n", epfd, errno);
+
+	ev.events = EPOLLIN;
+	for (i = 0; i < REUSEPORT_ARRAY_SIZE; i++) {
+		ev.data.u32 = i;
+		err = epoll_ctl(epfd, EPOLL_CTL_ADD, sk_fds[i], &ev);
+		RET_IF(err, "epoll_ctl(EPOLL_CTL_ADD)", "sk_fds[%d]\n", i);
+	}
+}
+
+static void setup_per_test(int type, sa_family_t family, bool inany,
+			   bool no_inner_map)
+{
+	int ovr = -1, err;
+
+	prepare_sk_fds(type, family, inany);
+	err = bpf_map_update_elem(tmp_index_ovr_map, &index_zero, &ovr,
+				  BPF_ANY);
+	RET_IF(err < 0, "update_elem(tmp_index_ovr_map, 0, -1)",
+	       "err:%d errno:%d\n", err, errno);
+
+	/* Install reuseport_array to outer_map? */
+	if (no_inner_map)
+		return;
+
+	err = bpf_map_update_elem(outer_map, &index_zero, &reuseport_array,
+				  BPF_ANY);
+	RET_IF(err < 0, "update_elem(outer_map, 0, reuseport_array)",
+	       "err:%d errno:%d\n", err, errno);
+}
+
+static void cleanup_per_test(bool no_inner_map)
+{
+	int i, err, zero = 0;
+
+	memset(expected_results, 0, sizeof(expected_results));
+
+	for (i = 0; i < NR_RESULTS; i++) {
+		err = bpf_map_update_elem(result_map, &i, &zero, BPF_ANY);
+		RET_IF(err, "reset elem in result_map",
+		       "i:%u err:%d errno:%d\n", i, err, errno);
+	}
+
+	err = bpf_map_update_elem(linum_map, &zero, &zero, BPF_ANY);
+	RET_IF(err, "reset line number in linum_map", "err:%d errno:%d\n",
+	       err, errno);
+
+	for (i = 0; i < REUSEPORT_ARRAY_SIZE; i++)
+		close(sk_fds[i]);
+	close(epfd);
+
+	/* Delete reuseport_array from outer_map? */
+	if (no_inner_map)
+		return;
+
+	err = bpf_map_delete_elem(outer_map, &index_zero);
+	RET_IF(err < 0, "delete_elem(outer_map)",
+	       "err:%d errno:%d\n", err, errno);
+}
+
+static void cleanup(void)
+{
+	if (outer_map >= 0) {
+		close(outer_map);
+		outer_map = -1;
+	}
+
+	if (reuseport_array >= 0) {
+		close(reuseport_array);
+		reuseport_array = -1;
+	}
+
+	if (obj) {
+		bpf_object__close(obj);
+		obj = NULL;
+	}
+
+	memset(expected_results, 0, sizeof(expected_results));
+}
+
+static const char *maptype_str(enum bpf_map_type type)
+{
+	switch (type) {
+	case BPF_MAP_TYPE_REUSEPORT_SOCKARRAY:
+		return "reuseport_sockarray";
+	case BPF_MAP_TYPE_SOCKMAP:
+		return "sockmap";
+	case BPF_MAP_TYPE_SOCKHASH:
+		return "sockhash";
+	default:
+		return "unknown";
+	}
+}
+
+static const char *family_str(sa_family_t family)
+{
+	switch (family) {
+	case AF_INET:
+		return "IPv4";
+	case AF_INET6:
+		return "IPv6";
+	default:
+		return "unknown";
+	}
+}
+
+static const char *sotype_str(int sotype)
+{
+	switch (sotype) {
+	case SOCK_STREAM:
+		return "TCP";
+	case SOCK_DGRAM:
+		return "UDP";
+	default:
+		return "unknown";
+	}
+}
+
+#define TEST_INIT(fn_, ...) { .fn = fn_, .name = #fn_, __VA_ARGS__ }
+
+static void test_config(int sotype, sa_family_t family, bool inany)
+{
+	const struct test {
+		void (*fn)(int sotype, sa_family_t family);
+		const char *name;
+		bool no_inner_map;
+		int need_sotype;
+	} tests[] = {
+		TEST_INIT(test_err_inner_map,
+			  .no_inner_map = true),
+		TEST_INIT(test_err_skb_data),
+		TEST_INIT(test_err_sk_select_port),
+		TEST_INIT(test_pass),
+		TEST_INIT(test_syncookie,
+			  .need_sotype = SOCK_STREAM),
+		TEST_INIT(test_pass_on_err),
+		TEST_INIT(test_detach_bpf),
+	};
+	char s[MAX_TEST_NAME];
+	const struct test *t;
+
+	for (t = tests; t < tests + ARRAY_SIZE(tests); t++) {
+		if (t->need_sotype && t->need_sotype != sotype)
+			continue; /* test not compatible with socket type */
+
+		snprintf(s, sizeof(s), "%s %s/%s %s %s",
+			 maptype_str(inner_map_type),
+			 family_str(family), sotype_str(sotype),
+			 inany ? "INANY" : "LOOPBACK", t->name);
+
+		if (!test__start_subtest(s))
+			continue;
+
+		setup_per_test(sotype, family, inany, t->no_inner_map);
+		t->fn(sotype, family);
+		cleanup_per_test(t->no_inner_map);
+	}
+}
+
+#define BIND_INANY true
+
+static void test_all(void)
+{
+	const struct config {
+		int sotype;
+		sa_family_t family;
+		bool inany;
+	} configs[] = {
+		{ SOCK_STREAM, AF_INET },
+		{ SOCK_STREAM, AF_INET, BIND_INANY },
+		{ SOCK_STREAM, AF_INET6 },
+		{ SOCK_STREAM, AF_INET6, BIND_INANY },
+		{ SOCK_DGRAM, AF_INET },
+		{ SOCK_DGRAM, AF_INET6 },
+	};
+	const struct config *c;
+
+	for (c = configs; c < configs + ARRAY_SIZE(configs); c++)
+		test_config(c->sotype, c->family, c->inany);
+}
+
+void test_map_type(enum bpf_map_type mt)
+{
+	if (create_maps(mt))
+		goto out;
+	if (prepare_bpf_obj())
+		goto out;
+
+	test_all();
+out:
+	cleanup();
+}
+
+void serial_test_select_reuseport(void)
+{
+	saved_tcp_fo = read_int_sysctl(TCP_FO_SYSCTL);
+	if (saved_tcp_fo < 0)
+		goto out;
+	saved_tcp_syncookie = read_int_sysctl(TCP_SYNCOOKIE_SYSCTL);
+	if (saved_tcp_syncookie < 0)
+		goto out;
+
+	if (enable_fastopen())
+		goto out;
+	if (disable_syncookie())
+		goto out;
+
+	test_map_type(BPF_MAP_TYPE_REUSEPORT_SOCKARRAY);
+	test_map_type(BPF_MAP_TYPE_SOCKMAP);
+	test_map_type(BPF_MAP_TYPE_SOCKHASH);
+out:
+	restore_sysctls();
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/send_signal.c b/tools/testing/selftests/bpf/prog_tests/send_signal.c
new file mode 100644
index 000000000..d63a20fbe
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/send_signal.c
@@ -0,0 +1,206 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <test_progs.h>
+#include <sys/time.h>
+#include <sys/resource.h>
+#include "test_send_signal_kern.skel.h"
+
+static int sigusr1_received;
+
+static void sigusr1_handler(int signum)
+{
+	sigusr1_received = 1;
+}
+
+static void test_send_signal_common(struct perf_event_attr *attr,
+				    bool signal_thread)
+{
+	struct test_send_signal_kern *skel;
+	int pipe_c2p[2], pipe_p2c[2];
+	int err = -1, pmu_fd = -1;
+	char buf[256];
+	pid_t pid;
+
+	if (!ASSERT_OK(pipe(pipe_c2p), "pipe_c2p"))
+		return;
+
+	if (!ASSERT_OK(pipe(pipe_p2c), "pipe_p2c")) {
+		close(pipe_c2p[0]);
+		close(pipe_c2p[1]);
+		return;
+	}
+
+	pid = fork();
+	if (!ASSERT_GE(pid, 0, "fork")) {
+		close(pipe_c2p[0]);
+		close(pipe_c2p[1]);
+		close(pipe_p2c[0]);
+		close(pipe_p2c[1]);
+		return;
+	}
+
+	if (pid == 0) {
+		int old_prio;
+		volatile int j = 0;
+
+		/* install signal handler and notify parent */
+		ASSERT_NEQ(signal(SIGUSR1, sigusr1_handler), SIG_ERR, "signal");
+
+		close(pipe_c2p[0]); /* close read */
+		close(pipe_p2c[1]); /* close write */
+
+		/* boost with a high priority so we got a higher chance
+		 * that if an interrupt happens, the underlying task
+		 * is this process.
+		 */
+		errno = 0;
+		old_prio = getpriority(PRIO_PROCESS, 0);
+		ASSERT_OK(errno, "getpriority");
+		ASSERT_OK(setpriority(PRIO_PROCESS, 0, -20), "setpriority");
+
+		/* notify parent signal handler is installed */
+		ASSERT_EQ(write(pipe_c2p[1], buf, 1), 1, "pipe_write");
+
+		/* make sure parent enabled bpf program to send_signal */
+		ASSERT_EQ(read(pipe_p2c[0], buf, 1), 1, "pipe_read");
+
+		/* wait a little for signal handler */
+		for (int i = 0; i < 1000000000 && !sigusr1_received; i++)
+			j /= i + j + 1;
+
+		buf[0] = sigusr1_received ? '2' : '0';
+		ASSERT_EQ(sigusr1_received, 1, "sigusr1_received");
+		ASSERT_EQ(write(pipe_c2p[1], buf, 1), 1, "pipe_write");
+
+		/* wait for parent notification and exit */
+		ASSERT_EQ(read(pipe_p2c[0], buf, 1), 1, "pipe_read");
+
+		/* restore the old priority */
+		ASSERT_OK(setpriority(PRIO_PROCESS, 0, old_prio), "setpriority");
+
+		close(pipe_c2p[1]);
+		close(pipe_p2c[0]);
+		exit(0);
+	}
+
+	close(pipe_c2p[1]); /* close write */
+	close(pipe_p2c[0]); /* close read */
+
+	skel = test_send_signal_kern__open_and_load();
+	if (!ASSERT_OK_PTR(skel, "skel_open_and_load"))
+		goto skel_open_load_failure;
+
+	if (!attr) {
+		err = test_send_signal_kern__attach(skel);
+		if (!ASSERT_OK(err, "skel_attach")) {
+			err = -1;
+			goto destroy_skel;
+		}
+	} else {
+		pmu_fd = syscall(__NR_perf_event_open, attr, pid, -1 /* cpu */,
+				 -1 /* group id */, 0 /* flags */);
+		if (!ASSERT_GE(pmu_fd, 0, "perf_event_open")) {
+			err = -1;
+			goto destroy_skel;
+		}
+
+		skel->links.send_signal_perf =
+			bpf_program__attach_perf_event(skel->progs.send_signal_perf, pmu_fd);
+		if (!ASSERT_OK_PTR(skel->links.send_signal_perf, "attach_perf_event"))
+			goto disable_pmu;
+	}
+
+	/* wait until child signal handler installed */
+	ASSERT_EQ(read(pipe_c2p[0], buf, 1), 1, "pipe_read");
+
+	/* trigger the bpf send_signal */
+	skel->bss->signal_thread = signal_thread;
+	skel->bss->sig = SIGUSR1;
+	skel->bss->pid = pid;
+
+	/* notify child that bpf program can send_signal now */
+	ASSERT_EQ(write(pipe_p2c[1], buf, 1), 1, "pipe_write");
+
+	/* wait for result */
+	err = read(pipe_c2p[0], buf, 1);
+	if (!ASSERT_GE(err, 0, "reading pipe"))
+		goto disable_pmu;
+	if (!ASSERT_GT(err, 0, "reading pipe error: size 0")) {
+		err = -1;
+		goto disable_pmu;
+	}
+
+	ASSERT_EQ(buf[0], '2', "incorrect result");
+
+	/* notify child safe to exit */
+	ASSERT_EQ(write(pipe_p2c[1], buf, 1), 1, "pipe_write");
+
+disable_pmu:
+	close(pmu_fd);
+destroy_skel:
+	test_send_signal_kern__destroy(skel);
+skel_open_load_failure:
+	close(pipe_c2p[0]);
+	close(pipe_p2c[1]);
+	wait(NULL);
+}
+
+static void test_send_signal_tracepoint(bool signal_thread)
+{
+	test_send_signal_common(NULL, signal_thread);
+}
+
+static void test_send_signal_perf(bool signal_thread)
+{
+	struct perf_event_attr attr = {
+		.sample_period = 1,
+		.type = PERF_TYPE_SOFTWARE,
+		.config = PERF_COUNT_SW_CPU_CLOCK,
+	};
+
+	test_send_signal_common(&attr, signal_thread);
+}
+
+static void test_send_signal_nmi(bool signal_thread)
+{
+	struct perf_event_attr attr = {
+		.sample_period = 1,
+		.type = PERF_TYPE_HARDWARE,
+		.config = PERF_COUNT_HW_CPU_CYCLES,
+	};
+	int pmu_fd;
+
+	/* Some setups (e.g. virtual machines) might run with hardware
+	 * perf events disabled. If this is the case, skip this test.
+	 */
+	pmu_fd = syscall(__NR_perf_event_open, &attr, 0 /* pid */,
+			 -1 /* cpu */, -1 /* group_fd */, 0 /* flags */);
+	if (pmu_fd == -1) {
+		if (errno == ENOENT) {
+			printf("%s:SKIP:no PERF_COUNT_HW_CPU_CYCLES\n",
+			       __func__);
+			test__skip();
+			return;
+		}
+		/* Let the test fail with a more informative message */
+	} else {
+		close(pmu_fd);
+	}
+
+	test_send_signal_common(&attr, signal_thread);
+}
+
+void test_send_signal(void)
+{
+	if (test__start_subtest("send_signal_tracepoint"))
+		test_send_signal_tracepoint(false);
+	if (test__start_subtest("send_signal_perf"))
+		test_send_signal_perf(false);
+	if (test__start_subtest("send_signal_nmi"))
+		test_send_signal_nmi(false);
+	if (test__start_subtest("send_signal_tracepoint_thread"))
+		test_send_signal_tracepoint(true);
+	if (test__start_subtest("send_signal_perf_thread"))
+		test_send_signal_perf(true);
+	if (test__start_subtest("send_signal_nmi_thread"))
+		test_send_signal_nmi(true);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/send_signal_sched_switch.c b/tools/testing/selftests/bpf/prog_tests/send_signal_sched_switch.c
new file mode 100644
index 000000000..15dacfcfa
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/send_signal_sched_switch.c
@@ -0,0 +1,61 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <test_progs.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <sys/mman.h>
+#include <pthread.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include "test_send_signal_kern.skel.h"
+
+static void sigusr1_handler(int signum)
+{
+}
+
+#define THREAD_COUNT 100
+
+static void *worker(void *p)
+{
+	int i;
+
+	for ( i = 0; i < 1000; i++)
+		usleep(1);
+
+	return NULL;
+}
+
+/* NOTE: cause events loss */
+void serial_test_send_signal_sched_switch(void)
+{
+	struct test_send_signal_kern *skel;
+	pthread_t threads[THREAD_COUNT];
+	u32 duration = 0;
+	int i, err;
+
+	signal(SIGUSR1, sigusr1_handler);
+
+	skel = test_send_signal_kern__open_and_load();
+	if (CHECK(!skel, "skel_open_and_load", "skeleton open_and_load failed\n"))
+		return;
+
+	skel->bss->pid = getpid();
+	skel->bss->sig = SIGUSR1;
+
+	err = test_send_signal_kern__attach(skel);
+	if (CHECK(err, "skel_attach", "skeleton attach failed\n"))
+		goto destroy_skel;
+
+	for (i = 0; i < THREAD_COUNT; i++) {
+		err = pthread_create(threads + i, NULL, worker, NULL);
+		if (CHECK(err, "pthread_create", "Error creating thread, %s\n",
+			  strerror(errno)))
+			goto destroy_skel;
+	}
+
+	for (i = 0; i < THREAD_COUNT; i++)
+		pthread_join(threads[i], NULL);
+
+destroy_skel:
+	test_send_signal_kern__destroy(skel);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/setget_sockopt.c b/tools/testing/selftests/bpf/prog_tests/setget_sockopt.c
new file mode 100644
index 000000000..018611e6b
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/setget_sockopt.c
@@ -0,0 +1,125 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) Meta Platforms, Inc. and affiliates. */
+
+#define _GNU_SOURCE
+#include <sched.h>
+#include <linux/socket.h>
+#include <net/if.h>
+
+#include "test_progs.h"
+#include "cgroup_helpers.h"
+#include "network_helpers.h"
+
+#include "setget_sockopt.skel.h"
+
+#define CG_NAME "/setget-sockopt-test"
+
+static const char addr4_str[] = "127.0.0.1";
+static const char addr6_str[] = "::1";
+static struct setget_sockopt *skel;
+static int cg_fd;
+
+static int create_netns(void)
+{
+	if (!ASSERT_OK(unshare(CLONE_NEWNET), "create netns"))
+		return -1;
+
+	if (!ASSERT_OK(system("ip link set dev lo up"), "set lo up"))
+		return -1;
+
+	if (!ASSERT_OK(system("ip link add dev binddevtest1 type veth peer name binddevtest2"),
+		       "add veth"))
+		return -1;
+
+	if (!ASSERT_OK(system("ip link set dev binddevtest1 up"),
+		       "bring veth up"))
+		return -1;
+
+	return 0;
+}
+
+static void test_tcp(int family)
+{
+	struct setget_sockopt__bss *bss = skel->bss;
+	int sfd, cfd;
+
+	memset(bss, 0, sizeof(*bss));
+
+	sfd = start_server(family, SOCK_STREAM,
+			   family == AF_INET6 ? addr6_str : addr4_str, 0, 0);
+	if (!ASSERT_GE(sfd, 0, "start_server"))
+		return;
+
+	cfd = connect_to_fd(sfd, 0);
+	if (!ASSERT_GE(cfd, 0, "connect_to_fd_server")) {
+		close(sfd);
+		return;
+	}
+	close(sfd);
+	close(cfd);
+
+	ASSERT_EQ(bss->nr_listen, 1, "nr_listen");
+	ASSERT_EQ(bss->nr_connect, 1, "nr_connect");
+	ASSERT_EQ(bss->nr_active, 1, "nr_active");
+	ASSERT_EQ(bss->nr_passive, 1, "nr_passive");
+	ASSERT_EQ(bss->nr_socket_post_create, 2, "nr_socket_post_create");
+	ASSERT_EQ(bss->nr_binddev, 2, "nr_bind");
+}
+
+static void test_udp(int family)
+{
+	struct setget_sockopt__bss *bss = skel->bss;
+	int sfd;
+
+	memset(bss, 0, sizeof(*bss));
+
+	sfd = start_server(family, SOCK_DGRAM,
+			   family == AF_INET6 ? addr6_str : addr4_str, 0, 0);
+	if (!ASSERT_GE(sfd, 0, "start_server"))
+		return;
+	close(sfd);
+
+	ASSERT_GE(bss->nr_socket_post_create, 1, "nr_socket_post_create");
+	ASSERT_EQ(bss->nr_binddev, 1, "nr_bind");
+}
+
+void test_setget_sockopt(void)
+{
+	cg_fd = test__join_cgroup(CG_NAME);
+	if (cg_fd < 0)
+		return;
+
+	if (create_netns())
+		goto done;
+
+	skel = setget_sockopt__open();
+	if (!ASSERT_OK_PTR(skel, "open skel"))
+		goto done;
+
+	strcpy(skel->rodata->veth, "binddevtest1");
+	skel->rodata->veth_ifindex = if_nametoindex("binddevtest1");
+	if (!ASSERT_GT(skel->rodata->veth_ifindex, 0, "if_nametoindex"))
+		goto done;
+
+	if (!ASSERT_OK(setget_sockopt__load(skel), "load skel"))
+		goto done;
+
+	skel->links.skops_sockopt =
+		bpf_program__attach_cgroup(skel->progs.skops_sockopt, cg_fd);
+	if (!ASSERT_OK_PTR(skel->links.skops_sockopt, "attach cgroup"))
+		goto done;
+
+	skel->links.socket_post_create =
+		bpf_program__attach_cgroup(skel->progs.socket_post_create, cg_fd);
+	if (!ASSERT_OK_PTR(skel->links.socket_post_create, "attach_cgroup"))
+		goto done;
+
+	test_tcp(AF_INET6);
+	test_tcp(AF_INET);
+	test_udp(AF_INET6);
+	test_udp(AF_INET);
+
+done:
+	setget_sockopt__destroy(skel);
+	close(cg_fd);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/signal_pending.c b/tools/testing/selftests/bpf/prog_tests/signal_pending.c
new file mode 100644
index 000000000..70b49da5c
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/signal_pending.c
@@ -0,0 +1,50 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <test_progs.h>
+#include <network_helpers.h>
+
+static void sigalrm_handler(int s) {}
+static struct sigaction sigalrm_action = {
+	.sa_handler = sigalrm_handler,
+};
+
+static void test_signal_pending_by_type(enum bpf_prog_type prog_type)
+{
+	struct bpf_insn prog[4096];
+	struct itimerval timeo = {
+		.it_value.tv_usec = 100000, /* 100ms */
+	};
+	int prog_fd;
+	int err;
+	int i;
+	LIBBPF_OPTS(bpf_test_run_opts, topts,
+		.data_in = &pkt_v4,
+		.data_size_in = sizeof(pkt_v4),
+		.repeat = 0xffffffff,
+	);
+
+	for (i = 0; i < ARRAY_SIZE(prog); i++)
+		prog[i] = BPF_ALU64_IMM(BPF_MOV, BPF_REG_0, 0);
+	prog[ARRAY_SIZE(prog) - 1] = BPF_EXIT_INSN();
+
+	prog_fd = bpf_test_load_program(prog_type, prog, ARRAY_SIZE(prog),
+				   "GPL", 0, NULL, 0);
+	ASSERT_GE(prog_fd, 0, "test-run load");
+
+	err = sigaction(SIGALRM, &sigalrm_action, NULL);
+	ASSERT_OK(err, "test-run-signal-sigaction");
+
+	err = setitimer(ITIMER_REAL, &timeo, NULL);
+	ASSERT_OK(err, "test-run-signal-timer");
+
+	err = bpf_prog_test_run_opts(prog_fd, &topts);
+	ASSERT_LE(topts.duration, 500000000 /* 500ms */,
+		  "test-run-signal-duration");
+
+	signal(SIGALRM, SIG_DFL);
+}
+
+void test_signal_pending(void)
+{
+	test_signal_pending_by_type(BPF_PROG_TYPE_SOCKET_FILTER);
+	test_signal_pending_by_type(BPF_PROG_TYPE_FLOW_DISSECTOR);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/sk_assign.c b/tools/testing/selftests/bpf/prog_tests/sk_assign.c
new file mode 100644
index 000000000..1374b626a
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/sk_assign.c
@@ -0,0 +1,342 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (c) 2018 Facebook
+// Copyright (c) 2019 Cloudflare
+// Copyright (c) 2020 Isovalent, Inc.
+/*
+ * Test that the socket assign program is able to redirect traffic towards a
+ * socket, regardless of whether the port or address destination of the traffic
+ * matches the port.
+ */
+
+#define _GNU_SOURCE
+#include <fcntl.h>
+#include <signal.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+#include "test_progs.h"
+
+#define BIND_PORT 1234
+#define CONNECT_PORT 4321
+#define TEST_DADDR (0xC0A80203)
+#define NS_SELF "/proc/self/ns/net"
+#define SERVER_MAP_PATH "/sys/fs/bpf/tc/globals/server_map"
+
+static const struct timeval timeo_sec = { .tv_sec = 3 };
+static const size_t timeo_optlen = sizeof(timeo_sec);
+static int stop, duration;
+
+static bool
+configure_stack(void)
+{
+	char tc_version[128];
+	char tc_cmd[BUFSIZ];
+	char *prog;
+	FILE *tc;
+
+	/* Check whether tc is built with libbpf. */
+	tc = popen("tc -V", "r");
+	if (CHECK_FAIL(!tc))
+		return false;
+	if (CHECK_FAIL(!fgets(tc_version, sizeof(tc_version), tc)))
+		return false;
+	if (strstr(tc_version, ", libbpf "))
+		prog = "test_sk_assign_libbpf.bpf.o";
+	else
+		prog = "test_sk_assign.bpf.o";
+	if (CHECK_FAIL(pclose(tc)))
+		return false;
+
+	/* Move to a new networking namespace */
+	if (CHECK_FAIL(unshare(CLONE_NEWNET)))
+		return false;
+
+	/* Configure necessary links, routes */
+	if (CHECK_FAIL(system("ip link set dev lo up")))
+		return false;
+	if (CHECK_FAIL(system("ip route add local default dev lo")))
+		return false;
+	if (CHECK_FAIL(system("ip -6 route add local default dev lo")))
+		return false;
+
+	/* Load qdisc, BPF program */
+	if (CHECK_FAIL(system("tc qdisc add dev lo clsact")))
+		return false;
+	sprintf(tc_cmd, "%s %s %s %s %s", "tc filter add dev lo ingress bpf",
+		       "direct-action object-file", prog,
+		       "section tc",
+		       (env.verbosity < VERBOSE_VERY) ? " 2>/dev/null" : "verbose");
+	if (CHECK(system(tc_cmd), "BPF load failed;",
+		  "run with -vv for more info\n"))
+		return false;
+
+	return true;
+}
+
+static int
+start_server(const struct sockaddr *addr, socklen_t len, int type)
+{
+	int fd;
+
+	fd = socket(addr->sa_family, type, 0);
+	if (CHECK_FAIL(fd == -1))
+		goto out;
+	if (CHECK_FAIL(setsockopt(fd, SOL_SOCKET, SO_RCVTIMEO, &timeo_sec,
+				  timeo_optlen)))
+		goto close_out;
+	if (CHECK_FAIL(bind(fd, addr, len) == -1))
+		goto close_out;
+	if (type == SOCK_STREAM && CHECK_FAIL(listen(fd, 128) == -1))
+		goto close_out;
+
+	goto out;
+close_out:
+	close(fd);
+	fd = -1;
+out:
+	return fd;
+}
+
+static int
+connect_to_server(const struct sockaddr *addr, socklen_t len, int type)
+{
+	int fd = -1;
+
+	fd = socket(addr->sa_family, type, 0);
+	if (CHECK_FAIL(fd == -1))
+		goto out;
+	if (CHECK_FAIL(setsockopt(fd, SOL_SOCKET, SO_SNDTIMEO, &timeo_sec,
+				  timeo_optlen)))
+		goto close_out;
+	if (CHECK_FAIL(connect(fd, addr, len)))
+		goto close_out;
+
+	goto out;
+close_out:
+	close(fd);
+	fd = -1;
+out:
+	return fd;
+}
+
+static in_port_t
+get_port(int fd)
+{
+	struct sockaddr_storage ss;
+	socklen_t slen = sizeof(ss);
+	in_port_t port = 0;
+
+	if (CHECK_FAIL(getsockname(fd, (struct sockaddr *)&ss, &slen)))
+		return port;
+
+	switch (ss.ss_family) {
+	case AF_INET:
+		port = ((struct sockaddr_in *)&ss)->sin_port;
+		break;
+	case AF_INET6:
+		port = ((struct sockaddr_in6 *)&ss)->sin6_port;
+		break;
+	default:
+		CHECK(1, "Invalid address family", "%d\n", ss.ss_family);
+	}
+	return port;
+}
+
+static ssize_t
+rcv_msg(int srv_client, int type)
+{
+	char buf[BUFSIZ];
+
+	if (type == SOCK_STREAM)
+		return read(srv_client, &buf, sizeof(buf));
+	else
+		return recvfrom(srv_client, &buf, sizeof(buf), 0, NULL, NULL);
+}
+
+static int
+run_test(int server_fd, const struct sockaddr *addr, socklen_t len, int type)
+{
+	int client = -1, srv_client = -1;
+	char buf[] = "testing";
+	in_port_t port;
+	int ret = 1;
+
+	client = connect_to_server(addr, len, type);
+	if (client == -1) {
+		perror("Cannot connect to server");
+		goto out;
+	}
+
+	if (type == SOCK_STREAM) {
+		srv_client = accept(server_fd, NULL, NULL);
+		if (CHECK_FAIL(srv_client == -1)) {
+			perror("Can't accept connection");
+			goto out;
+		}
+	} else {
+		srv_client = server_fd;
+	}
+	if (CHECK_FAIL(write(client, buf, sizeof(buf)) != sizeof(buf))) {
+		perror("Can't write on client");
+		goto out;
+	}
+	if (CHECK_FAIL(rcv_msg(srv_client, type) != sizeof(buf))) {
+		perror("Can't read on server");
+		goto out;
+	}
+
+	port = get_port(srv_client);
+	if (CHECK_FAIL(!port))
+		goto out;
+	/* SOCK_STREAM is connected via accept(), so the server's local address
+	 * will be the CONNECT_PORT rather than the BIND port that corresponds
+	 * to the listen socket. SOCK_DGRAM on the other hand is connectionless
+	 * so we can't really do the same check there; the server doesn't ever
+	 * create a socket with CONNECT_PORT.
+	 */
+	if (type == SOCK_STREAM &&
+	    CHECK(port != htons(CONNECT_PORT), "Expected", "port %u but got %u",
+		  CONNECT_PORT, ntohs(port)))
+		goto out;
+	else if (type == SOCK_DGRAM &&
+		 CHECK(port != htons(BIND_PORT), "Expected",
+		       "port %u but got %u", BIND_PORT, ntohs(port)))
+		goto out;
+
+	ret = 0;
+out:
+	close(client);
+	if (srv_client != server_fd)
+		close(srv_client);
+	if (ret)
+		WRITE_ONCE(stop, 1);
+	return ret;
+}
+
+static void
+prepare_addr(struct sockaddr *addr, int family, __u16 port, bool rewrite_addr)
+{
+	struct sockaddr_in *addr4;
+	struct sockaddr_in6 *addr6;
+
+	switch (family) {
+	case AF_INET:
+		addr4 = (struct sockaddr_in *)addr;
+		memset(addr4, 0, sizeof(*addr4));
+		addr4->sin_family = family;
+		addr4->sin_port = htons(port);
+		if (rewrite_addr)
+			addr4->sin_addr.s_addr = htonl(TEST_DADDR);
+		else
+			addr4->sin_addr.s_addr = htonl(INADDR_LOOPBACK);
+		break;
+	case AF_INET6:
+		addr6 = (struct sockaddr_in6 *)addr;
+		memset(addr6, 0, sizeof(*addr6));
+		addr6->sin6_family = family;
+		addr6->sin6_port = htons(port);
+		addr6->sin6_addr = in6addr_loopback;
+		if (rewrite_addr)
+			addr6->sin6_addr.s6_addr32[3] = htonl(TEST_DADDR);
+		break;
+	default:
+		fprintf(stderr, "Invalid family %d", family);
+	}
+}
+
+struct test_sk_cfg {
+	const char *name;
+	int family;
+	struct sockaddr *addr;
+	socklen_t len;
+	int type;
+	bool rewrite_addr;
+};
+
+#define TEST(NAME, FAMILY, TYPE, REWRITE)				\
+{									\
+	.name = NAME,							\
+	.family = FAMILY,						\
+	.addr = (FAMILY == AF_INET) ? (struct sockaddr *)&addr4		\
+				    : (struct sockaddr *)&addr6,	\
+	.len = (FAMILY == AF_INET) ? sizeof(addr4) : sizeof(addr6),	\
+	.type = TYPE,							\
+	.rewrite_addr = REWRITE,					\
+}
+
+void test_sk_assign(void)
+{
+	struct sockaddr_in addr4;
+	struct sockaddr_in6 addr6;
+	struct test_sk_cfg tests[] = {
+		TEST("ipv4 tcp port redir", AF_INET, SOCK_STREAM, false),
+		TEST("ipv4 tcp addr redir", AF_INET, SOCK_STREAM, true),
+		TEST("ipv6 tcp port redir", AF_INET6, SOCK_STREAM, false),
+		TEST("ipv6 tcp addr redir", AF_INET6, SOCK_STREAM, true),
+		TEST("ipv4 udp port redir", AF_INET, SOCK_DGRAM, false),
+		TEST("ipv4 udp addr redir", AF_INET, SOCK_DGRAM, true),
+		TEST("ipv6 udp port redir", AF_INET6, SOCK_DGRAM, false),
+		TEST("ipv6 udp addr redir", AF_INET6, SOCK_DGRAM, true),
+	};
+	__s64 server = -1;
+	int server_map;
+	int self_net;
+	int i;
+
+	self_net = open(NS_SELF, O_RDONLY);
+	if (CHECK_FAIL(self_net < 0)) {
+		perror("Unable to open "NS_SELF);
+		return;
+	}
+
+	if (!configure_stack()) {
+		perror("configure_stack");
+		goto cleanup;
+	}
+
+	server_map = bpf_obj_get(SERVER_MAP_PATH);
+	if (CHECK_FAIL(server_map < 0)) {
+		perror("Unable to open " SERVER_MAP_PATH);
+		goto cleanup;
+	}
+
+	for (i = 0; i < ARRAY_SIZE(tests) && !READ_ONCE(stop); i++) {
+		struct test_sk_cfg *test = &tests[i];
+		const struct sockaddr *addr;
+		const int zero = 0;
+		int err;
+
+		if (!test__start_subtest(test->name))
+			continue;
+		prepare_addr(test->addr, test->family, BIND_PORT, false);
+		addr = (const struct sockaddr *)test->addr;
+		server = start_server(addr, test->len, test->type);
+		if (server == -1)
+			goto close;
+
+		err = bpf_map_update_elem(server_map, &zero, &server, BPF_ANY);
+		if (CHECK_FAIL(err)) {
+			perror("Unable to update server_map");
+			goto close;
+		}
+
+		/* connect to unbound ports */
+		prepare_addr(test->addr, test->family, CONNECT_PORT,
+			     test->rewrite_addr);
+		if (run_test(server, addr, test->len, test->type))
+			goto close;
+
+		close(server);
+		server = -1;
+	}
+
+close:
+	close(server);
+	close(server_map);
+cleanup:
+	if (CHECK_FAIL(unlink(SERVER_MAP_PATH)))
+		perror("Unable to unlink " SERVER_MAP_PATH);
+	if (CHECK_FAIL(setns(self_net, CLONE_NEWNET)))
+		perror("Failed to setns("NS_SELF")");
+	close(self_net);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/sk_lookup.c b/tools/testing/selftests/bpf/prog_tests/sk_lookup.c
new file mode 100644
index 000000000..597d0467a
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/sk_lookup.c
@@ -0,0 +1,1413 @@
+// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
+// Copyright (c) 2020 Cloudflare
+/*
+ * Test BPF attach point for INET socket lookup (BPF_SK_LOOKUP).
+ *
+ * Tests exercise:
+ *  - attaching/detaching/querying programs to BPF_SK_LOOKUP hook,
+ *  - redirecting socket lookup to a socket selected by BPF program,
+ *  - failing a socket lookup on BPF program's request,
+ *  - error scenarios for selecting a socket from BPF program,
+ *  - accessing BPF program context,
+ *  - attaching and running multiple BPF programs.
+ *
+ * Tests run in a dedicated network namespace.
+ */
+
+#define _GNU_SOURCE
+#include <arpa/inet.h>
+#include <assert.h>
+#include <errno.h>
+#include <error.h>
+#include <fcntl.h>
+#include <sched.h>
+#include <stdio.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <unistd.h>
+
+#include <bpf/libbpf.h>
+#include <bpf/bpf.h>
+
+#include "test_progs.h"
+#include "bpf_util.h"
+#include "cgroup_helpers.h"
+#include "network_helpers.h"
+#include "testing_helpers.h"
+#include "test_sk_lookup.skel.h"
+
+/* External (address, port) pairs the client sends packets to. */
+#define EXT_IP4		"127.0.0.1"
+#define EXT_IP6		"fd00::1"
+#define EXT_PORT	7007
+
+/* Internal (address, port) pairs the server listens/receives at. */
+#define INT_IP4		"127.0.0.2"
+#define INT_IP4_V6	"::ffff:127.0.0.2"
+#define INT_IP6		"fd00::2"
+#define INT_PORT	8008
+
+#define IO_TIMEOUT_SEC	3
+
+enum server {
+	SERVER_A = 0,
+	SERVER_B = 1,
+	MAX_SERVERS,
+};
+
+enum {
+	PROG1 = 0,
+	PROG2,
+};
+
+struct inet_addr {
+	const char *ip;
+	unsigned short port;
+};
+
+struct test {
+	const char *desc;
+	struct bpf_program *lookup_prog;
+	struct bpf_program *reuseport_prog;
+	struct bpf_map *sock_map;
+	int sotype;
+	struct inet_addr connect_to;
+	struct inet_addr listen_at;
+	enum server accept_on;
+	bool reuseport_has_conns; /* Add a connected socket to reuseport group */
+};
+
+static __u32 duration;		/* for CHECK macro */
+
+static bool is_ipv6(const char *ip)
+{
+	return !!strchr(ip, ':');
+}
+
+static int attach_reuseport(int sock_fd, struct bpf_program *reuseport_prog)
+{
+	int err, prog_fd;
+
+	prog_fd = bpf_program__fd(reuseport_prog);
+	if (prog_fd < 0) {
+		errno = -prog_fd;
+		return -1;
+	}
+
+	err = setsockopt(sock_fd, SOL_SOCKET, SO_ATTACH_REUSEPORT_EBPF,
+			 &prog_fd, sizeof(prog_fd));
+	if (err)
+		return -1;
+
+	return 0;
+}
+
+static socklen_t inetaddr_len(const struct sockaddr_storage *addr)
+{
+	return (addr->ss_family == AF_INET ? sizeof(struct sockaddr_in) :
+		addr->ss_family == AF_INET6 ? sizeof(struct sockaddr_in6) : 0);
+}
+
+static int make_socket(int sotype, const char *ip, int port,
+		       struct sockaddr_storage *addr)
+{
+	struct timeval timeo = { .tv_sec = IO_TIMEOUT_SEC };
+	int err, family, fd;
+
+	family = is_ipv6(ip) ? AF_INET6 : AF_INET;
+	err = make_sockaddr(family, ip, port, addr, NULL);
+	if (CHECK(err, "make_address", "failed\n"))
+		return -1;
+
+	fd = socket(addr->ss_family, sotype, 0);
+	if (CHECK(fd < 0, "socket", "failed\n")) {
+		log_err("failed to make socket");
+		return -1;
+	}
+
+	err = setsockopt(fd, SOL_SOCKET, SO_SNDTIMEO, &timeo, sizeof(timeo));
+	if (CHECK(err, "setsockopt(SO_SNDTIMEO)", "failed\n")) {
+		log_err("failed to set SNDTIMEO");
+		close(fd);
+		return -1;
+	}
+
+	err = setsockopt(fd, SOL_SOCKET, SO_RCVTIMEO, &timeo, sizeof(timeo));
+	if (CHECK(err, "setsockopt(SO_RCVTIMEO)", "failed\n")) {
+		log_err("failed to set RCVTIMEO");
+		close(fd);
+		return -1;
+	}
+
+	return fd;
+}
+
+static int make_server(int sotype, const char *ip, int port,
+		       struct bpf_program *reuseport_prog)
+{
+	struct sockaddr_storage addr = {0};
+	const int one = 1;
+	int err, fd = -1;
+
+	fd = make_socket(sotype, ip, port, &addr);
+	if (fd < 0)
+		return -1;
+
+	/* Enabled for UDPv6 sockets for IPv4-mapped IPv6 to work. */
+	if (sotype == SOCK_DGRAM) {
+		err = setsockopt(fd, SOL_IP, IP_RECVORIGDSTADDR, &one,
+				 sizeof(one));
+		if (CHECK(err, "setsockopt(IP_RECVORIGDSTADDR)", "failed\n")) {
+			log_err("failed to enable IP_RECVORIGDSTADDR");
+			goto fail;
+		}
+	}
+
+	if (sotype == SOCK_DGRAM && addr.ss_family == AF_INET6) {
+		err = setsockopt(fd, SOL_IPV6, IPV6_RECVORIGDSTADDR, &one,
+				 sizeof(one));
+		if (CHECK(err, "setsockopt(IPV6_RECVORIGDSTADDR)", "failed\n")) {
+			log_err("failed to enable IPV6_RECVORIGDSTADDR");
+			goto fail;
+		}
+	}
+
+	if (sotype == SOCK_STREAM) {
+		err = setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, &one,
+				 sizeof(one));
+		if (CHECK(err, "setsockopt(SO_REUSEADDR)", "failed\n")) {
+			log_err("failed to enable SO_REUSEADDR");
+			goto fail;
+		}
+	}
+
+	if (reuseport_prog) {
+		err = setsockopt(fd, SOL_SOCKET, SO_REUSEPORT, &one,
+				 sizeof(one));
+		if (CHECK(err, "setsockopt(SO_REUSEPORT)", "failed\n")) {
+			log_err("failed to enable SO_REUSEPORT");
+			goto fail;
+		}
+	}
+
+	err = bind(fd, (void *)&addr, inetaddr_len(&addr));
+	if (CHECK(err, "bind", "failed\n")) {
+		log_err("failed to bind listen socket");
+		goto fail;
+	}
+
+	if (sotype == SOCK_STREAM) {
+		err = listen(fd, SOMAXCONN);
+		if (CHECK(err, "make_server", "listen")) {
+			log_err("failed to listen on port %d", port);
+			goto fail;
+		}
+	}
+
+	/* Late attach reuseport prog so we can have one init path */
+	if (reuseport_prog) {
+		err = attach_reuseport(fd, reuseport_prog);
+		if (CHECK(err, "attach_reuseport", "failed\n")) {
+			log_err("failed to attach reuseport prog");
+			goto fail;
+		}
+	}
+
+	return fd;
+fail:
+	close(fd);
+	return -1;
+}
+
+static int make_client(int sotype, const char *ip, int port)
+{
+	struct sockaddr_storage addr = {0};
+	int err, fd;
+
+	fd = make_socket(sotype, ip, port, &addr);
+	if (fd < 0)
+		return -1;
+
+	err = connect(fd, (void *)&addr, inetaddr_len(&addr));
+	if (CHECK(err, "make_client", "connect")) {
+		log_err("failed to connect client socket");
+		goto fail;
+	}
+
+	return fd;
+fail:
+	close(fd);
+	return -1;
+}
+
+static __u64 socket_cookie(int fd)
+{
+	__u64 cookie;
+	socklen_t cookie_len = sizeof(cookie);
+
+	if (CHECK(getsockopt(fd, SOL_SOCKET, SO_COOKIE, &cookie, &cookie_len) < 0,
+		  "getsockopt(SO_COOKIE)", "%s\n", strerror(errno)))
+		return 0;
+	return cookie;
+}
+
+static int fill_sk_lookup_ctx(struct bpf_sk_lookup *ctx, const char *local_ip, __u16 local_port,
+			      const char *remote_ip, __u16 remote_port)
+{
+	void *local, *remote;
+	int err;
+
+	memset(ctx, 0, sizeof(*ctx));
+	ctx->local_port = local_port;
+	ctx->remote_port = htons(remote_port);
+
+	if (is_ipv6(local_ip)) {
+		ctx->family = AF_INET6;
+		local = &ctx->local_ip6[0];
+		remote = &ctx->remote_ip6[0];
+	} else {
+		ctx->family = AF_INET;
+		local = &ctx->local_ip4;
+		remote = &ctx->remote_ip4;
+	}
+
+	err = inet_pton(ctx->family, local_ip, local);
+	if (CHECK(err != 1, "inet_pton", "local_ip failed\n"))
+		return 1;
+
+	err = inet_pton(ctx->family, remote_ip, remote);
+	if (CHECK(err != 1, "inet_pton", "remote_ip failed\n"))
+		return 1;
+
+	return 0;
+}
+
+static int send_byte(int fd)
+{
+	ssize_t n;
+
+	errno = 0;
+	n = send(fd, "a", 1, 0);
+	if (CHECK(n <= 0, "send_byte", "send")) {
+		log_err("failed/partial send");
+		return -1;
+	}
+	return 0;
+}
+
+static int recv_byte(int fd)
+{
+	char buf[1];
+	ssize_t n;
+
+	n = recv(fd, buf, sizeof(buf), 0);
+	if (CHECK(n <= 0, "recv_byte", "recv")) {
+		log_err("failed/partial recv");
+		return -1;
+	}
+	return 0;
+}
+
+static int tcp_recv_send(int server_fd)
+{
+	char buf[1];
+	int ret, fd;
+	ssize_t n;
+
+	fd = accept(server_fd, NULL, NULL);
+	if (CHECK(fd < 0, "accept", "failed\n")) {
+		log_err("failed to accept");
+		return -1;
+	}
+
+	n = recv(fd, buf, sizeof(buf), 0);
+	if (CHECK(n <= 0, "recv", "failed\n")) {
+		log_err("failed/partial recv");
+		ret = -1;
+		goto close;
+	}
+
+	n = send(fd, buf, n, 0);
+	if (CHECK(n <= 0, "send", "failed\n")) {
+		log_err("failed/partial send");
+		ret = -1;
+		goto close;
+	}
+
+	ret = 0;
+close:
+	close(fd);
+	return ret;
+}
+
+static void v4_to_v6(struct sockaddr_storage *ss)
+{
+	struct sockaddr_in6 *v6 = (struct sockaddr_in6 *)ss;
+	struct sockaddr_in v4 = *(struct sockaddr_in *)ss;
+
+	v6->sin6_family = AF_INET6;
+	v6->sin6_port = v4.sin_port;
+	v6->sin6_addr.s6_addr[10] = 0xff;
+	v6->sin6_addr.s6_addr[11] = 0xff;
+	memcpy(&v6->sin6_addr.s6_addr[12], &v4.sin_addr.s_addr, 4);
+	memset(&v6->sin6_addr.s6_addr[0], 0, 10);
+}
+
+static int udp_recv_send(int server_fd)
+{
+	char cmsg_buf[CMSG_SPACE(sizeof(struct sockaddr_storage))];
+	struct sockaddr_storage _src_addr = { 0 };
+	struct sockaddr_storage *src_addr = &_src_addr;
+	struct sockaddr_storage *dst_addr = NULL;
+	struct msghdr msg = { 0 };
+	struct iovec iov = { 0 };
+	struct cmsghdr *cm;
+	char buf[1];
+	int ret, fd;
+	ssize_t n;
+
+	iov.iov_base = buf;
+	iov.iov_len = sizeof(buf);
+
+	msg.msg_name = src_addr;
+	msg.msg_namelen = sizeof(*src_addr);
+	msg.msg_iov = &iov;
+	msg.msg_iovlen = 1;
+	msg.msg_control = cmsg_buf;
+	msg.msg_controllen = sizeof(cmsg_buf);
+
+	errno = 0;
+	n = recvmsg(server_fd, &msg, 0);
+	if (CHECK(n <= 0, "recvmsg", "failed\n")) {
+		log_err("failed to receive");
+		return -1;
+	}
+	if (CHECK(msg.msg_flags & MSG_CTRUNC, "recvmsg", "truncated cmsg\n"))
+		return -1;
+
+	for (cm = CMSG_FIRSTHDR(&msg); cm; cm = CMSG_NXTHDR(&msg, cm)) {
+		if ((cm->cmsg_level == SOL_IP &&
+		     cm->cmsg_type == IP_ORIGDSTADDR) ||
+		    (cm->cmsg_level == SOL_IPV6 &&
+		     cm->cmsg_type == IPV6_ORIGDSTADDR)) {
+			dst_addr = (struct sockaddr_storage *)CMSG_DATA(cm);
+			break;
+		}
+		log_err("warning: ignored cmsg at level %d type %d",
+			cm->cmsg_level, cm->cmsg_type);
+	}
+	if (CHECK(!dst_addr, "recvmsg", "missing ORIGDSTADDR\n"))
+		return -1;
+
+	/* Server socket bound to IPv4-mapped IPv6 address */
+	if (src_addr->ss_family == AF_INET6 &&
+	    dst_addr->ss_family == AF_INET) {
+		v4_to_v6(dst_addr);
+	}
+
+	/* Reply from original destination address. */
+	fd = socket(dst_addr->ss_family, SOCK_DGRAM, 0);
+	if (CHECK(fd < 0, "socket", "failed\n")) {
+		log_err("failed to create tx socket");
+		return -1;
+	}
+
+	ret = bind(fd, (struct sockaddr *)dst_addr, sizeof(*dst_addr));
+	if (CHECK(ret, "bind", "failed\n")) {
+		log_err("failed to bind tx socket");
+		goto out;
+	}
+
+	msg.msg_control = NULL;
+	msg.msg_controllen = 0;
+	n = sendmsg(fd, &msg, 0);
+	if (CHECK(n <= 0, "sendmsg", "failed\n")) {
+		log_err("failed to send echo reply");
+		ret = -1;
+		goto out;
+	}
+
+	ret = 0;
+out:
+	close(fd);
+	return ret;
+}
+
+static int tcp_echo_test(int client_fd, int server_fd)
+{
+	int err;
+
+	err = send_byte(client_fd);
+	if (err)
+		return -1;
+	err = tcp_recv_send(server_fd);
+	if (err)
+		return -1;
+	err = recv_byte(client_fd);
+	if (err)
+		return -1;
+
+	return 0;
+}
+
+static int udp_echo_test(int client_fd, int server_fd)
+{
+	int err;
+
+	err = send_byte(client_fd);
+	if (err)
+		return -1;
+	err = udp_recv_send(server_fd);
+	if (err)
+		return -1;
+	err = recv_byte(client_fd);
+	if (err)
+		return -1;
+
+	return 0;
+}
+
+static struct bpf_link *attach_lookup_prog(struct bpf_program *prog)
+{
+	struct bpf_link *link;
+	int net_fd;
+
+	net_fd = open("/proc/self/ns/net", O_RDONLY);
+	if (CHECK(net_fd < 0, "open", "failed\n")) {
+		log_err("failed to open /proc/self/ns/net");
+		return NULL;
+	}
+
+	link = bpf_program__attach_netns(prog, net_fd);
+	if (!ASSERT_OK_PTR(link, "bpf_program__attach_netns")) {
+		errno = -PTR_ERR(link);
+		log_err("failed to attach program '%s' to netns",
+			bpf_program__name(prog));
+		link = NULL;
+	}
+
+	close(net_fd);
+	return link;
+}
+
+static int update_lookup_map(struct bpf_map *map, int index, int sock_fd)
+{
+	int err, map_fd;
+	uint64_t value;
+
+	map_fd = bpf_map__fd(map);
+	if (CHECK(map_fd < 0, "bpf_map__fd", "failed\n")) {
+		errno = -map_fd;
+		log_err("failed to get map FD");
+		return -1;
+	}
+
+	value = (uint64_t)sock_fd;
+	err = bpf_map_update_elem(map_fd, &index, &value, BPF_NOEXIST);
+	if (CHECK(err, "bpf_map_update_elem", "failed\n")) {
+		log_err("failed to update redir_map @ %d", index);
+		return -1;
+	}
+
+	return 0;
+}
+
+static void query_lookup_prog(struct test_sk_lookup *skel)
+{
+	struct bpf_link *link[3] = {};
+	struct bpf_link_info info;
+	__u32 attach_flags = 0;
+	__u32 prog_ids[3] = {};
+	__u32 prog_cnt = 3;
+	__u32 prog_id;
+	int net_fd;
+	int err;
+
+	net_fd = open("/proc/self/ns/net", O_RDONLY);
+	if (CHECK(net_fd < 0, "open", "failed\n")) {
+		log_err("failed to open /proc/self/ns/net");
+		return;
+	}
+
+	link[0] = attach_lookup_prog(skel->progs.lookup_pass);
+	if (!link[0])
+		goto close;
+	link[1] = attach_lookup_prog(skel->progs.lookup_pass);
+	if (!link[1])
+		goto detach;
+	link[2] = attach_lookup_prog(skel->progs.lookup_drop);
+	if (!link[2])
+		goto detach;
+
+	err = bpf_prog_query(net_fd, BPF_SK_LOOKUP, 0 /* query flags */,
+			     &attach_flags, prog_ids, &prog_cnt);
+	if (CHECK(err, "bpf_prog_query", "failed\n")) {
+		log_err("failed to query lookup prog");
+		goto detach;
+	}
+
+	errno = 0;
+	if (CHECK(attach_flags != 0, "bpf_prog_query",
+		  "wrong attach_flags on query: %u", attach_flags))
+		goto detach;
+	if (CHECK(prog_cnt != 3, "bpf_prog_query",
+		  "wrong program count on query: %u", prog_cnt))
+		goto detach;
+	prog_id = link_info_prog_id(link[0], &info);
+	CHECK(prog_ids[0] != prog_id, "bpf_prog_query",
+	      "invalid program #0 id on query: %u != %u\n",
+	      prog_ids[0], prog_id);
+	CHECK(info.netns.netns_ino == 0, "netns_ino",
+	      "unexpected netns_ino: %u\n", info.netns.netns_ino);
+	prog_id = link_info_prog_id(link[1], &info);
+	CHECK(prog_ids[1] != prog_id, "bpf_prog_query",
+	      "invalid program #1 id on query: %u != %u\n",
+	      prog_ids[1], prog_id);
+	CHECK(info.netns.netns_ino == 0, "netns_ino",
+	      "unexpected netns_ino: %u\n", info.netns.netns_ino);
+	prog_id = link_info_prog_id(link[2], &info);
+	CHECK(prog_ids[2] != prog_id, "bpf_prog_query",
+	      "invalid program #2 id on query: %u != %u\n",
+	      prog_ids[2], prog_id);
+	CHECK(info.netns.netns_ino == 0, "netns_ino",
+	      "unexpected netns_ino: %u\n", info.netns.netns_ino);
+
+	err = bpf_link__detach(link[0]);
+	if (CHECK(err, "link_detach", "failed %d\n", err))
+		goto detach;
+
+	/* prog id is still there, but netns_ino is zeroed out */
+	prog_id = link_info_prog_id(link[0], &info);
+	CHECK(prog_ids[0] != prog_id, "bpf_prog_query",
+	      "invalid program #0 id on query: %u != %u\n",
+	      prog_ids[0], prog_id);
+	CHECK(info.netns.netns_ino != 0, "netns_ino",
+	      "unexpected netns_ino: %u\n", info.netns.netns_ino);
+
+detach:
+	if (link[2])
+		bpf_link__destroy(link[2]);
+	if (link[1])
+		bpf_link__destroy(link[1]);
+	if (link[0])
+		bpf_link__destroy(link[0]);
+close:
+	close(net_fd);
+}
+
+static void run_lookup_prog(const struct test *t)
+{
+	int server_fds[] = { [0 ... MAX_SERVERS - 1] = -1 };
+	int client_fd, reuse_conn_fd = -1;
+	struct bpf_link *lookup_link;
+	int i, err;
+
+	lookup_link = attach_lookup_prog(t->lookup_prog);
+	if (!lookup_link)
+		return;
+
+	for (i = 0; i < ARRAY_SIZE(server_fds); i++) {
+		server_fds[i] = make_server(t->sotype, t->listen_at.ip,
+					    t->listen_at.port,
+					    t->reuseport_prog);
+		if (server_fds[i] < 0)
+			goto close;
+
+		err = update_lookup_map(t->sock_map, i, server_fds[i]);
+		if (err)
+			goto close;
+
+		/* want just one server for non-reuseport test */
+		if (!t->reuseport_prog)
+			break;
+	}
+
+	/* Regular UDP socket lookup with reuseport behaves
+	 * differently when reuseport group contains connected
+	 * sockets. Check that adding a connected UDP socket to the
+	 * reuseport group does not affect how reuseport works with
+	 * BPF socket lookup.
+	 */
+	if (t->reuseport_has_conns) {
+		struct sockaddr_storage addr = {};
+		socklen_t len = sizeof(addr);
+
+		/* Add an extra socket to reuseport group */
+		reuse_conn_fd = make_server(t->sotype, t->listen_at.ip,
+					    t->listen_at.port,
+					    t->reuseport_prog);
+		if (reuse_conn_fd < 0)
+			goto close;
+
+		/* Connect the extra socket to itself */
+		err = getsockname(reuse_conn_fd, (void *)&addr, &len);
+		if (CHECK(err, "getsockname", "errno %d\n", errno))
+			goto close;
+		err = connect(reuse_conn_fd, (void *)&addr, len);
+		if (CHECK(err, "connect", "errno %d\n", errno))
+			goto close;
+	}
+
+	client_fd = make_client(t->sotype, t->connect_to.ip, t->connect_to.port);
+	if (client_fd < 0)
+		goto close;
+
+	if (t->sotype == SOCK_STREAM)
+		tcp_echo_test(client_fd, server_fds[t->accept_on]);
+	else
+		udp_echo_test(client_fd, server_fds[t->accept_on]);
+
+	close(client_fd);
+close:
+	if (reuse_conn_fd != -1)
+		close(reuse_conn_fd);
+	for (i = 0; i < ARRAY_SIZE(server_fds); i++) {
+		if (server_fds[i] != -1)
+			close(server_fds[i]);
+	}
+	bpf_link__destroy(lookup_link);
+}
+
+static void test_redirect_lookup(struct test_sk_lookup *skel)
+{
+	const struct test tests[] = {
+		{
+			.desc		= "TCP IPv4 redir port",
+			.lookup_prog	= skel->progs.redir_port,
+			.sock_map	= skel->maps.redir_map,
+			.sotype		= SOCK_STREAM,
+			.connect_to	= { EXT_IP4, EXT_PORT },
+			.listen_at	= { EXT_IP4, INT_PORT },
+		},
+		{
+			.desc		= "TCP IPv4 redir addr",
+			.lookup_prog	= skel->progs.redir_ip4,
+			.sock_map	= skel->maps.redir_map,
+			.sotype		= SOCK_STREAM,
+			.connect_to	= { EXT_IP4, EXT_PORT },
+			.listen_at	= { INT_IP4, EXT_PORT },
+		},
+		{
+			.desc		= "TCP IPv4 redir with reuseport",
+			.lookup_prog	= skel->progs.select_sock_a,
+			.reuseport_prog	= skel->progs.select_sock_b,
+			.sock_map	= skel->maps.redir_map,
+			.sotype		= SOCK_STREAM,
+			.connect_to	= { EXT_IP4, EXT_PORT },
+			.listen_at	= { INT_IP4, INT_PORT },
+			.accept_on	= SERVER_B,
+		},
+		{
+			.desc		= "TCP IPv4 redir skip reuseport",
+			.lookup_prog	= skel->progs.select_sock_a_no_reuseport,
+			.reuseport_prog	= skel->progs.select_sock_b,
+			.sock_map	= skel->maps.redir_map,
+			.sotype		= SOCK_STREAM,
+			.connect_to	= { EXT_IP4, EXT_PORT },
+			.listen_at	= { INT_IP4, INT_PORT },
+			.accept_on	= SERVER_A,
+		},
+		{
+			.desc		= "TCP IPv6 redir port",
+			.lookup_prog	= skel->progs.redir_port,
+			.sock_map	= skel->maps.redir_map,
+			.sotype		= SOCK_STREAM,
+			.connect_to	= { EXT_IP6, EXT_PORT },
+			.listen_at	= { EXT_IP6, INT_PORT },
+		},
+		{
+			.desc		= "TCP IPv6 redir addr",
+			.lookup_prog	= skel->progs.redir_ip6,
+			.sock_map	= skel->maps.redir_map,
+			.sotype		= SOCK_STREAM,
+			.connect_to	= { EXT_IP6, EXT_PORT },
+			.listen_at	= { INT_IP6, EXT_PORT },
+		},
+		{
+			.desc		= "TCP IPv4->IPv6 redir port",
+			.lookup_prog	= skel->progs.redir_port,
+			.sock_map	= skel->maps.redir_map,
+			.sotype		= SOCK_STREAM,
+			.connect_to	= { EXT_IP4, EXT_PORT },
+			.listen_at	= { INT_IP4_V6, INT_PORT },
+		},
+		{
+			.desc		= "TCP IPv6 redir with reuseport",
+			.lookup_prog	= skel->progs.select_sock_a,
+			.reuseport_prog	= skel->progs.select_sock_b,
+			.sock_map	= skel->maps.redir_map,
+			.sotype		= SOCK_STREAM,
+			.connect_to	= { EXT_IP6, EXT_PORT },
+			.listen_at	= { INT_IP6, INT_PORT },
+			.accept_on	= SERVER_B,
+		},
+		{
+			.desc		= "TCP IPv6 redir skip reuseport",
+			.lookup_prog	= skel->progs.select_sock_a_no_reuseport,
+			.reuseport_prog	= skel->progs.select_sock_b,
+			.sock_map	= skel->maps.redir_map,
+			.sotype		= SOCK_STREAM,
+			.connect_to	= { EXT_IP6, EXT_PORT },
+			.listen_at	= { INT_IP6, INT_PORT },
+			.accept_on	= SERVER_A,
+		},
+		{
+			.desc		= "UDP IPv4 redir port",
+			.lookup_prog	= skel->progs.redir_port,
+			.sock_map	= skel->maps.redir_map,
+			.sotype		= SOCK_DGRAM,
+			.connect_to	= { EXT_IP4, EXT_PORT },
+			.listen_at	= { EXT_IP4, INT_PORT },
+		},
+		{
+			.desc		= "UDP IPv4 redir addr",
+			.lookup_prog	= skel->progs.redir_ip4,
+			.sock_map	= skel->maps.redir_map,
+			.sotype		= SOCK_DGRAM,
+			.connect_to	= { EXT_IP4, EXT_PORT },
+			.listen_at	= { INT_IP4, EXT_PORT },
+		},
+		{
+			.desc		= "UDP IPv4 redir with reuseport",
+			.lookup_prog	= skel->progs.select_sock_a,
+			.reuseport_prog	= skel->progs.select_sock_b,
+			.sock_map	= skel->maps.redir_map,
+			.sotype		= SOCK_DGRAM,
+			.connect_to	= { EXT_IP4, EXT_PORT },
+			.listen_at	= { INT_IP4, INT_PORT },
+			.accept_on	= SERVER_B,
+		},
+		{
+			.desc		= "UDP IPv4 redir and reuseport with conns",
+			.lookup_prog	= skel->progs.select_sock_a,
+			.reuseport_prog	= skel->progs.select_sock_b,
+			.sock_map	= skel->maps.redir_map,
+			.sotype		= SOCK_DGRAM,
+			.connect_to	= { EXT_IP4, EXT_PORT },
+			.listen_at	= { INT_IP4, INT_PORT },
+			.accept_on	= SERVER_B,
+			.reuseport_has_conns = true,
+		},
+		{
+			.desc		= "UDP IPv4 redir skip reuseport",
+			.lookup_prog	= skel->progs.select_sock_a_no_reuseport,
+			.reuseport_prog	= skel->progs.select_sock_b,
+			.sock_map	= skel->maps.redir_map,
+			.sotype		= SOCK_DGRAM,
+			.connect_to	= { EXT_IP4, EXT_PORT },
+			.listen_at	= { INT_IP4, INT_PORT },
+			.accept_on	= SERVER_A,
+		},
+		{
+			.desc		= "UDP IPv6 redir port",
+			.lookup_prog	= skel->progs.redir_port,
+			.sock_map	= skel->maps.redir_map,
+			.sotype		= SOCK_DGRAM,
+			.connect_to	= { EXT_IP6, EXT_PORT },
+			.listen_at	= { EXT_IP6, INT_PORT },
+		},
+		{
+			.desc		= "UDP IPv6 redir addr",
+			.lookup_prog	= skel->progs.redir_ip6,
+			.sock_map	= skel->maps.redir_map,
+			.sotype		= SOCK_DGRAM,
+			.connect_to	= { EXT_IP6, EXT_PORT },
+			.listen_at	= { INT_IP6, EXT_PORT },
+		},
+		{
+			.desc		= "UDP IPv4->IPv6 redir port",
+			.lookup_prog	= skel->progs.redir_port,
+			.sock_map	= skel->maps.redir_map,
+			.sotype		= SOCK_DGRAM,
+			.listen_at	= { INT_IP4_V6, INT_PORT },
+			.connect_to	= { EXT_IP4, EXT_PORT },
+		},
+		{
+			.desc		= "UDP IPv6 redir and reuseport",
+			.lookup_prog	= skel->progs.select_sock_a,
+			.reuseport_prog	= skel->progs.select_sock_b,
+			.sock_map	= skel->maps.redir_map,
+			.sotype		= SOCK_DGRAM,
+			.connect_to	= { EXT_IP6, EXT_PORT },
+			.listen_at	= { INT_IP6, INT_PORT },
+			.accept_on	= SERVER_B,
+		},
+		{
+			.desc		= "UDP IPv6 redir and reuseport with conns",
+			.lookup_prog	= skel->progs.select_sock_a,
+			.reuseport_prog	= skel->progs.select_sock_b,
+			.sock_map	= skel->maps.redir_map,
+			.sotype		= SOCK_DGRAM,
+			.connect_to	= { EXT_IP6, EXT_PORT },
+			.listen_at	= { INT_IP6, INT_PORT },
+			.accept_on	= SERVER_B,
+			.reuseport_has_conns = true,
+		},
+		{
+			.desc		= "UDP IPv6 redir skip reuseport",
+			.lookup_prog	= skel->progs.select_sock_a_no_reuseport,
+			.reuseport_prog	= skel->progs.select_sock_b,
+			.sock_map	= skel->maps.redir_map,
+			.sotype		= SOCK_DGRAM,
+			.connect_to	= { EXT_IP6, EXT_PORT },
+			.listen_at	= { INT_IP6, INT_PORT },
+			.accept_on	= SERVER_A,
+		},
+	};
+	const struct test *t;
+
+	for (t = tests; t < tests + ARRAY_SIZE(tests); t++) {
+		if (test__start_subtest(t->desc))
+			run_lookup_prog(t);
+	}
+}
+
+static void drop_on_lookup(const struct test *t)
+{
+	struct sockaddr_storage dst = {};
+	int client_fd, server_fd, err;
+	struct bpf_link *lookup_link;
+	ssize_t n;
+
+	lookup_link = attach_lookup_prog(t->lookup_prog);
+	if (!lookup_link)
+		return;
+
+	server_fd = make_server(t->sotype, t->listen_at.ip, t->listen_at.port,
+				t->reuseport_prog);
+	if (server_fd < 0)
+		goto detach;
+
+	client_fd = make_socket(t->sotype, t->connect_to.ip,
+				t->connect_to.port, &dst);
+	if (client_fd < 0)
+		goto close_srv;
+
+	err = connect(client_fd, (void *)&dst, inetaddr_len(&dst));
+	if (t->sotype == SOCK_DGRAM) {
+		err = send_byte(client_fd);
+		if (err)
+			goto close_all;
+
+		/* Read out asynchronous error */
+		n = recv(client_fd, NULL, 0, 0);
+		err = n == -1;
+	}
+	if (CHECK(!err || errno != ECONNREFUSED, "connect",
+		  "unexpected success or error\n"))
+		log_err("expected ECONNREFUSED on connect");
+
+close_all:
+	close(client_fd);
+close_srv:
+	close(server_fd);
+detach:
+	bpf_link__destroy(lookup_link);
+}
+
+static void test_drop_on_lookup(struct test_sk_lookup *skel)
+{
+	const struct test tests[] = {
+		{
+			.desc		= "TCP IPv4 drop on lookup",
+			.lookup_prog	= skel->progs.lookup_drop,
+			.sotype		= SOCK_STREAM,
+			.connect_to	= { EXT_IP4, EXT_PORT },
+			.listen_at	= { EXT_IP4, EXT_PORT },
+		},
+		{
+			.desc		= "TCP IPv6 drop on lookup",
+			.lookup_prog	= skel->progs.lookup_drop,
+			.sotype		= SOCK_STREAM,
+			.connect_to	= { EXT_IP6, EXT_PORT },
+			.listen_at	= { EXT_IP6, EXT_PORT },
+		},
+		{
+			.desc		= "UDP IPv4 drop on lookup",
+			.lookup_prog	= skel->progs.lookup_drop,
+			.sotype		= SOCK_DGRAM,
+			.connect_to	= { EXT_IP4, EXT_PORT },
+			.listen_at	= { EXT_IP4, EXT_PORT },
+		},
+		{
+			.desc		= "UDP IPv6 drop on lookup",
+			.lookup_prog	= skel->progs.lookup_drop,
+			.sotype		= SOCK_DGRAM,
+			.connect_to	= { EXT_IP6, EXT_PORT },
+			.listen_at	= { EXT_IP6, INT_PORT },
+		},
+		/* The program will drop on success, meaning that the ifindex
+		 * was 1.
+		 */
+		{
+			.desc		= "TCP IPv4 drop on valid ifindex",
+			.lookup_prog	= skel->progs.check_ifindex,
+			.sotype		= SOCK_STREAM,
+			.connect_to	= { EXT_IP4, EXT_PORT },
+			.listen_at	= { EXT_IP4, EXT_PORT },
+		},
+		{
+			.desc		= "TCP IPv6 drop on valid ifindex",
+			.lookup_prog	= skel->progs.check_ifindex,
+			.sotype		= SOCK_STREAM,
+			.connect_to	= { EXT_IP6, EXT_PORT },
+			.listen_at	= { EXT_IP6, EXT_PORT },
+		},
+		{
+			.desc		= "UDP IPv4 drop on valid ifindex",
+			.lookup_prog	= skel->progs.check_ifindex,
+			.sotype		= SOCK_DGRAM,
+			.connect_to	= { EXT_IP4, EXT_PORT },
+			.listen_at	= { EXT_IP4, EXT_PORT },
+		},
+		{
+			.desc		= "UDP IPv6 drop on valid ifindex",
+			.lookup_prog	= skel->progs.check_ifindex,
+			.sotype		= SOCK_DGRAM,
+			.connect_to	= { EXT_IP6, EXT_PORT },
+			.listen_at	= { EXT_IP6, EXT_PORT },
+		},
+	};
+	const struct test *t;
+
+	for (t = tests; t < tests + ARRAY_SIZE(tests); t++) {
+		if (test__start_subtest(t->desc))
+			drop_on_lookup(t);
+	}
+}
+
+static void drop_on_reuseport(const struct test *t)
+{
+	struct sockaddr_storage dst = { 0 };
+	int client, server1, server2, err;
+	struct bpf_link *lookup_link;
+	ssize_t n;
+
+	lookup_link = attach_lookup_prog(t->lookup_prog);
+	if (!lookup_link)
+		return;
+
+	server1 = make_server(t->sotype, t->listen_at.ip, t->listen_at.port,
+			      t->reuseport_prog);
+	if (server1 < 0)
+		goto detach;
+
+	err = update_lookup_map(t->sock_map, SERVER_A, server1);
+	if (err)
+		goto detach;
+
+	/* second server on destination address we should never reach */
+	server2 = make_server(t->sotype, t->connect_to.ip, t->connect_to.port,
+			      NULL /* reuseport prog */);
+	if (server2 < 0)
+		goto close_srv1;
+
+	client = make_socket(t->sotype, t->connect_to.ip,
+			     t->connect_to.port, &dst);
+	if (client < 0)
+		goto close_srv2;
+
+	err = connect(client, (void *)&dst, inetaddr_len(&dst));
+	if (t->sotype == SOCK_DGRAM) {
+		err = send_byte(client);
+		if (err)
+			goto close_all;
+
+		/* Read out asynchronous error */
+		n = recv(client, NULL, 0, 0);
+		err = n == -1;
+	}
+	if (CHECK(!err || errno != ECONNREFUSED, "connect",
+		  "unexpected success or error\n"))
+		log_err("expected ECONNREFUSED on connect");
+
+close_all:
+	close(client);
+close_srv2:
+	close(server2);
+close_srv1:
+	close(server1);
+detach:
+	bpf_link__destroy(lookup_link);
+}
+
+static void test_drop_on_reuseport(struct test_sk_lookup *skel)
+{
+	const struct test tests[] = {
+		{
+			.desc		= "TCP IPv4 drop on reuseport",
+			.lookup_prog	= skel->progs.select_sock_a,
+			.reuseport_prog	= skel->progs.reuseport_drop,
+			.sock_map	= skel->maps.redir_map,
+			.sotype		= SOCK_STREAM,
+			.connect_to	= { EXT_IP4, EXT_PORT },
+			.listen_at	= { INT_IP4, INT_PORT },
+		},
+		{
+			.desc		= "TCP IPv6 drop on reuseport",
+			.lookup_prog	= skel->progs.select_sock_a,
+			.reuseport_prog	= skel->progs.reuseport_drop,
+			.sock_map	= skel->maps.redir_map,
+			.sotype		= SOCK_STREAM,
+			.connect_to	= { EXT_IP6, EXT_PORT },
+			.listen_at	= { INT_IP6, INT_PORT },
+		},
+		{
+			.desc		= "UDP IPv4 drop on reuseport",
+			.lookup_prog	= skel->progs.select_sock_a,
+			.reuseport_prog	= skel->progs.reuseport_drop,
+			.sock_map	= skel->maps.redir_map,
+			.sotype		= SOCK_DGRAM,
+			.connect_to	= { EXT_IP4, EXT_PORT },
+			.listen_at	= { INT_IP4, INT_PORT },
+		},
+		{
+			.desc		= "TCP IPv6 drop on reuseport",
+			.lookup_prog	= skel->progs.select_sock_a,
+			.reuseport_prog	= skel->progs.reuseport_drop,
+			.sock_map	= skel->maps.redir_map,
+			.sotype		= SOCK_STREAM,
+			.connect_to	= { EXT_IP6, EXT_PORT },
+			.listen_at	= { INT_IP6, INT_PORT },
+		},
+	};
+	const struct test *t;
+
+	for (t = tests; t < tests + ARRAY_SIZE(tests); t++) {
+		if (test__start_subtest(t->desc))
+			drop_on_reuseport(t);
+	}
+}
+
+static void run_sk_assign(struct test_sk_lookup *skel,
+			  struct bpf_program *lookup_prog,
+			  const char *remote_ip, const char *local_ip)
+{
+	int server_fds[] = { [0 ... MAX_SERVERS - 1] = -1 };
+	struct bpf_sk_lookup ctx;
+	__u64 server_cookie;
+	int i, err;
+
+	DECLARE_LIBBPF_OPTS(bpf_test_run_opts, opts,
+		.ctx_in = &ctx,
+		.ctx_size_in = sizeof(ctx),
+		.ctx_out = &ctx,
+		.ctx_size_out = sizeof(ctx),
+	);
+
+	if (fill_sk_lookup_ctx(&ctx, local_ip, EXT_PORT, remote_ip, INT_PORT))
+		return;
+
+	ctx.protocol = IPPROTO_TCP;
+
+	for (i = 0; i < ARRAY_SIZE(server_fds); i++) {
+		server_fds[i] = make_server(SOCK_STREAM, local_ip, 0, NULL);
+		if (server_fds[i] < 0)
+			goto close_servers;
+
+		err = update_lookup_map(skel->maps.redir_map, i,
+					server_fds[i]);
+		if (err)
+			goto close_servers;
+	}
+
+	server_cookie = socket_cookie(server_fds[SERVER_B]);
+	if (!server_cookie)
+		return;
+
+	err = bpf_prog_test_run_opts(bpf_program__fd(lookup_prog), &opts);
+	if (CHECK(err, "test_run", "failed with error %d\n", errno))
+		goto close_servers;
+
+	if (CHECK(ctx.cookie == 0, "ctx.cookie", "no socket selected\n"))
+		goto close_servers;
+
+	CHECK(ctx.cookie != server_cookie, "ctx.cookie",
+	      "selected sk %llu instead of %llu\n", ctx.cookie, server_cookie);
+
+close_servers:
+	for (i = 0; i < ARRAY_SIZE(server_fds); i++) {
+		if (server_fds[i] != -1)
+			close(server_fds[i]);
+	}
+}
+
+static void run_sk_assign_v4(struct test_sk_lookup *skel,
+			     struct bpf_program *lookup_prog)
+{
+	run_sk_assign(skel, lookup_prog, INT_IP4, EXT_IP4);
+}
+
+static void run_sk_assign_v6(struct test_sk_lookup *skel,
+			     struct bpf_program *lookup_prog)
+{
+	run_sk_assign(skel, lookup_prog, INT_IP6, EXT_IP6);
+}
+
+static void run_sk_assign_connected(struct test_sk_lookup *skel,
+				    int sotype)
+{
+	int err, client_fd, connected_fd, server_fd;
+	struct bpf_link *lookup_link;
+
+	server_fd = make_server(sotype, EXT_IP4, EXT_PORT, NULL);
+	if (server_fd < 0)
+		return;
+
+	connected_fd = make_client(sotype, EXT_IP4, EXT_PORT);
+	if (connected_fd < 0)
+		goto out_close_server;
+
+	/* Put a connected socket in redirect map */
+	err = update_lookup_map(skel->maps.redir_map, SERVER_A, connected_fd);
+	if (err)
+		goto out_close_connected;
+
+	lookup_link = attach_lookup_prog(skel->progs.sk_assign_esocknosupport);
+	if (!lookup_link)
+		goto out_close_connected;
+
+	/* Try to redirect TCP SYN / UDP packet to a connected socket */
+	client_fd = make_client(sotype, EXT_IP4, EXT_PORT);
+	if (client_fd < 0)
+		goto out_unlink_prog;
+	if (sotype == SOCK_DGRAM) {
+		send_byte(client_fd);
+		recv_byte(server_fd);
+	}
+
+	close(client_fd);
+out_unlink_prog:
+	bpf_link__destroy(lookup_link);
+out_close_connected:
+	close(connected_fd);
+out_close_server:
+	close(server_fd);
+}
+
+static void test_sk_assign_helper(struct test_sk_lookup *skel)
+{
+	if (test__start_subtest("sk_assign returns EEXIST"))
+		run_sk_assign_v4(skel, skel->progs.sk_assign_eexist);
+	if (test__start_subtest("sk_assign honors F_REPLACE"))
+		run_sk_assign_v4(skel, skel->progs.sk_assign_replace_flag);
+	if (test__start_subtest("sk_assign accepts NULL socket"))
+		run_sk_assign_v4(skel, skel->progs.sk_assign_null);
+	if (test__start_subtest("access ctx->sk"))
+		run_sk_assign_v4(skel, skel->progs.access_ctx_sk);
+	if (test__start_subtest("narrow access to ctx v4"))
+		run_sk_assign_v4(skel, skel->progs.ctx_narrow_access);
+	if (test__start_subtest("narrow access to ctx v6"))
+		run_sk_assign_v6(skel, skel->progs.ctx_narrow_access);
+	if (test__start_subtest("sk_assign rejects TCP established"))
+		run_sk_assign_connected(skel, SOCK_STREAM);
+	if (test__start_subtest("sk_assign rejects UDP connected"))
+		run_sk_assign_connected(skel, SOCK_DGRAM);
+}
+
+struct test_multi_prog {
+	const char *desc;
+	struct bpf_program *prog1;
+	struct bpf_program *prog2;
+	struct bpf_map *redir_map;
+	struct bpf_map *run_map;
+	int expect_errno;
+	struct inet_addr listen_at;
+};
+
+static void run_multi_prog_lookup(const struct test_multi_prog *t)
+{
+	struct sockaddr_storage dst = {};
+	int map_fd, server_fd, client_fd;
+	struct bpf_link *link1, *link2;
+	int prog_idx, done, err;
+
+	map_fd = bpf_map__fd(t->run_map);
+
+	done = 0;
+	prog_idx = PROG1;
+	err = bpf_map_update_elem(map_fd, &prog_idx, &done, BPF_ANY);
+	if (CHECK(err, "bpf_map_update_elem", "failed\n"))
+		return;
+	prog_idx = PROG2;
+	err = bpf_map_update_elem(map_fd, &prog_idx, &done, BPF_ANY);
+	if (CHECK(err, "bpf_map_update_elem", "failed\n"))
+		return;
+
+	link1 = attach_lookup_prog(t->prog1);
+	if (!link1)
+		return;
+	link2 = attach_lookup_prog(t->prog2);
+	if (!link2)
+		goto out_unlink1;
+
+	server_fd = make_server(SOCK_STREAM, t->listen_at.ip,
+				t->listen_at.port, NULL);
+	if (server_fd < 0)
+		goto out_unlink2;
+
+	err = update_lookup_map(t->redir_map, SERVER_A, server_fd);
+	if (err)
+		goto out_close_server;
+
+	client_fd = make_socket(SOCK_STREAM, EXT_IP4, EXT_PORT, &dst);
+	if (client_fd < 0)
+		goto out_close_server;
+
+	err = connect(client_fd, (void *)&dst, inetaddr_len(&dst));
+	if (CHECK(err && !t->expect_errno, "connect",
+		  "unexpected error %d\n", errno))
+		goto out_close_client;
+	if (CHECK(err && t->expect_errno && errno != t->expect_errno,
+		  "connect", "unexpected error %d\n", errno))
+		goto out_close_client;
+
+	done = 0;
+	prog_idx = PROG1;
+	err = bpf_map_lookup_elem(map_fd, &prog_idx, &done);
+	CHECK(err, "bpf_map_lookup_elem", "failed\n");
+	CHECK(!done, "bpf_map_lookup_elem", "PROG1 !done\n");
+
+	done = 0;
+	prog_idx = PROG2;
+	err = bpf_map_lookup_elem(map_fd, &prog_idx, &done);
+	CHECK(err, "bpf_map_lookup_elem", "failed\n");
+	CHECK(!done, "bpf_map_lookup_elem", "PROG2 !done\n");
+
+out_close_client:
+	close(client_fd);
+out_close_server:
+	close(server_fd);
+out_unlink2:
+	bpf_link__destroy(link2);
+out_unlink1:
+	bpf_link__destroy(link1);
+}
+
+static void test_multi_prog_lookup(struct test_sk_lookup *skel)
+{
+	struct test_multi_prog tests[] = {
+		{
+			.desc		= "multi prog - pass, pass",
+			.prog1		= skel->progs.multi_prog_pass1,
+			.prog2		= skel->progs.multi_prog_pass2,
+			.listen_at	= { EXT_IP4, EXT_PORT },
+		},
+		{
+			.desc		= "multi prog - drop, drop",
+			.prog1		= skel->progs.multi_prog_drop1,
+			.prog2		= skel->progs.multi_prog_drop2,
+			.listen_at	= { EXT_IP4, EXT_PORT },
+			.expect_errno	= ECONNREFUSED,
+		},
+		{
+			.desc		= "multi prog - pass, drop",
+			.prog1		= skel->progs.multi_prog_pass1,
+			.prog2		= skel->progs.multi_prog_drop2,
+			.listen_at	= { EXT_IP4, EXT_PORT },
+			.expect_errno	= ECONNREFUSED,
+		},
+		{
+			.desc		= "multi prog - drop, pass",
+			.prog1		= skel->progs.multi_prog_drop1,
+			.prog2		= skel->progs.multi_prog_pass2,
+			.listen_at	= { EXT_IP4, EXT_PORT },
+			.expect_errno	= ECONNREFUSED,
+		},
+		{
+			.desc		= "multi prog - pass, redir",
+			.prog1		= skel->progs.multi_prog_pass1,
+			.prog2		= skel->progs.multi_prog_redir2,
+			.listen_at	= { INT_IP4, INT_PORT },
+		},
+		{
+			.desc		= "multi prog - redir, pass",
+			.prog1		= skel->progs.multi_prog_redir1,
+			.prog2		= skel->progs.multi_prog_pass2,
+			.listen_at	= { INT_IP4, INT_PORT },
+		},
+		{
+			.desc		= "multi prog - drop, redir",
+			.prog1		= skel->progs.multi_prog_drop1,
+			.prog2		= skel->progs.multi_prog_redir2,
+			.listen_at	= { INT_IP4, INT_PORT },
+		},
+		{
+			.desc		= "multi prog - redir, drop",
+			.prog1		= skel->progs.multi_prog_redir1,
+			.prog2		= skel->progs.multi_prog_drop2,
+			.listen_at	= { INT_IP4, INT_PORT },
+		},
+		{
+			.desc		= "multi prog - redir, redir",
+			.prog1		= skel->progs.multi_prog_redir1,
+			.prog2		= skel->progs.multi_prog_redir2,
+			.listen_at	= { INT_IP4, INT_PORT },
+		},
+	};
+	struct test_multi_prog *t;
+
+	for (t = tests; t < tests + ARRAY_SIZE(tests); t++) {
+		t->redir_map = skel->maps.redir_map;
+		t->run_map = skel->maps.run_map;
+		if (test__start_subtest(t->desc))
+			run_multi_prog_lookup(t);
+	}
+}
+
+static void run_tests(struct test_sk_lookup *skel)
+{
+	if (test__start_subtest("query lookup prog"))
+		query_lookup_prog(skel);
+	test_redirect_lookup(skel);
+	test_drop_on_lookup(skel);
+	test_drop_on_reuseport(skel);
+	test_sk_assign_helper(skel);
+	test_multi_prog_lookup(skel);
+}
+
+static int switch_netns(void)
+{
+	static const char * const setup_script[] = {
+		"ip -6 addr add dev lo " EXT_IP6 "/128",
+		"ip -6 addr add dev lo " INT_IP6 "/128",
+		"ip link set dev lo up",
+		NULL,
+	};
+	const char * const *cmd;
+	int err;
+
+	err = unshare(CLONE_NEWNET);
+	if (CHECK(err, "unshare", "failed\n")) {
+		log_err("unshare(CLONE_NEWNET)");
+		return -1;
+	}
+
+	for (cmd = setup_script; *cmd; cmd++) {
+		err = system(*cmd);
+		if (CHECK(err, "system", "failed\n")) {
+			log_err("system(%s)", *cmd);
+			return -1;
+		}
+	}
+
+	return 0;
+}
+
+void test_sk_lookup(void)
+{
+	struct test_sk_lookup *skel;
+	int err;
+
+	err = switch_netns();
+	if (err)
+		return;
+
+	skel = test_sk_lookup__open_and_load();
+	if (CHECK(!skel, "skel open_and_load", "failed\n"))
+		return;
+
+	run_tests(skel);
+
+	test_sk_lookup__destroy(skel);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/sk_storage_tracing.c b/tools/testing/selftests/bpf/prog_tests/sk_storage_tracing.c
new file mode 100644
index 000000000..547ae53cd
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/sk_storage_tracing.c
@@ -0,0 +1,135 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2020 Facebook */
+
+#include <sys/types.h>
+#include <bpf/bpf.h>
+#include <bpf/libbpf.h>
+#include "test_progs.h"
+#include "network_helpers.h"
+#include "test_sk_storage_trace_itself.skel.h"
+#include "test_sk_storage_tracing.skel.h"
+
+#define LO_ADDR6 "::1"
+#define TEST_COMM "test_progs"
+
+struct sk_stg {
+	__u32 pid;
+	__u32 last_notclose_state;
+	char comm[16];
+};
+
+static struct test_sk_storage_tracing *skel;
+static __u32 duration;
+static pid_t my_pid;
+
+static int check_sk_stg(int sk_fd, __u32 expected_state)
+{
+	struct sk_stg sk_stg;
+	int err;
+
+	err = bpf_map_lookup_elem(bpf_map__fd(skel->maps.sk_stg_map), &sk_fd,
+				  &sk_stg);
+	if (!ASSERT_OK(err, "map_lookup(sk_stg_map)"))
+		return -1;
+
+	if (!ASSERT_EQ(sk_stg.last_notclose_state, expected_state,
+		       "last_notclose_state"))
+		return -1;
+
+	if (!ASSERT_EQ(sk_stg.pid, my_pid, "pid"))
+		return -1;
+
+	if (!ASSERT_STREQ(sk_stg.comm, skel->bss->task_comm, "task_comm"))
+		return -1;
+
+	return 0;
+}
+
+static void do_test(void)
+{
+	int listen_fd = -1, passive_fd = -1, active_fd = -1, value = 1, err;
+	char abyte;
+
+	listen_fd = start_server(AF_INET6, SOCK_STREAM, LO_ADDR6, 0, 0);
+	if (CHECK(listen_fd == -1, "start_server",
+		  "listen_fd:%d errno:%d\n", listen_fd, errno))
+		return;
+
+	active_fd = connect_to_fd(listen_fd, 0);
+	if (CHECK(active_fd == -1, "connect_to_fd", "active_fd:%d errno:%d\n",
+		  active_fd, errno))
+		goto out;
+
+	err = bpf_map_update_elem(bpf_map__fd(skel->maps.del_sk_stg_map),
+				  &active_fd, &value, 0);
+	if (!ASSERT_OK(err, "map_update(del_sk_stg_map)"))
+		goto out;
+
+	passive_fd = accept(listen_fd, NULL, 0);
+	if (CHECK(passive_fd == -1, "accept", "passive_fd:%d errno:%d\n",
+		  passive_fd, errno))
+		goto out;
+
+	shutdown(active_fd, SHUT_WR);
+	err = read(passive_fd, &abyte, 1);
+	if (!ASSERT_OK(err, "read(passive_fd)"))
+		goto out;
+
+	shutdown(passive_fd, SHUT_WR);
+	err = read(active_fd, &abyte, 1);
+	if (!ASSERT_OK(err, "read(active_fd)"))
+		goto out;
+
+	err = bpf_map_lookup_elem(bpf_map__fd(skel->maps.del_sk_stg_map),
+				  &active_fd, &value);
+	if (!ASSERT_ERR(err, "map_lookup(del_sk_stg_map)"))
+		goto out;
+
+	err = check_sk_stg(listen_fd, BPF_TCP_LISTEN);
+	if (!ASSERT_OK(err, "listen_fd sk_stg"))
+		goto out;
+
+	err = check_sk_stg(active_fd, BPF_TCP_FIN_WAIT2);
+	if (!ASSERT_OK(err, "active_fd sk_stg"))
+		goto out;
+
+	err = check_sk_stg(passive_fd, BPF_TCP_LAST_ACK);
+	ASSERT_OK(err, "passive_fd sk_stg");
+
+out:
+	if (active_fd != -1)
+		close(active_fd);
+	if (passive_fd != -1)
+		close(passive_fd);
+	if (listen_fd != -1)
+		close(listen_fd);
+}
+
+void serial_test_sk_storage_tracing(void)
+{
+	struct test_sk_storage_trace_itself *skel_itself;
+	int err;
+
+	my_pid = getpid();
+
+	skel_itself = test_sk_storage_trace_itself__open_and_load();
+
+	if (!ASSERT_NULL(skel_itself, "test_sk_storage_trace_itself")) {
+		test_sk_storage_trace_itself__destroy(skel_itself);
+		return;
+	}
+
+	skel = test_sk_storage_tracing__open_and_load();
+	if (!ASSERT_OK_PTR(skel, "test_sk_storage_tracing"))
+		return;
+
+	err = test_sk_storage_tracing__attach(skel);
+	if (!ASSERT_OK(err, "test_sk_storage_tracing__attach")) {
+		test_sk_storage_tracing__destroy(skel);
+		return;
+	}
+
+	do_test();
+
+	test_sk_storage_tracing__destroy(skel);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/skb_ctx.c b/tools/testing/selftests/bpf/prog_tests/skb_ctx.c
new file mode 100644
index 000000000..33f950e2d
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/skb_ctx.c
@@ -0,0 +1,91 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <test_progs.h>
+#include <network_helpers.h>
+
+void test_skb_ctx(void)
+{
+	struct __sk_buff skb = {
+		.cb[0] = 1,
+		.cb[1] = 2,
+		.cb[2] = 3,
+		.cb[3] = 4,
+		.cb[4] = 5,
+		.priority = 6,
+		.ingress_ifindex = 11,
+		.ifindex = 1,
+		.tstamp = 7,
+		.wire_len = 100,
+		.gso_segs = 8,
+		.mark = 9,
+		.gso_size = 10,
+		.hwtstamp = 11,
+	};
+	LIBBPF_OPTS(bpf_test_run_opts, tattr,
+		.data_in = &pkt_v4,
+		.data_size_in = sizeof(pkt_v4),
+		.ctx_in = &skb,
+		.ctx_size_in = sizeof(skb),
+		.ctx_out = &skb,
+		.ctx_size_out = sizeof(skb),
+	);
+	struct bpf_object *obj;
+	int err, prog_fd, i;
+
+	err = bpf_prog_test_load("./test_skb_ctx.bpf.o", BPF_PROG_TYPE_SCHED_CLS,
+				 &obj, &prog_fd);
+	if (!ASSERT_OK(err, "load"))
+		return;
+
+	/* ctx_in != NULL, ctx_size_in == 0 */
+
+	tattr.ctx_size_in = 0;
+	err = bpf_prog_test_run_opts(prog_fd, &tattr);
+	ASSERT_NEQ(err, 0, "ctx_size_in");
+	tattr.ctx_size_in = sizeof(skb);
+
+	/* ctx_out != NULL, ctx_size_out == 0 */
+
+	tattr.ctx_size_out = 0;
+	err = bpf_prog_test_run_opts(prog_fd, &tattr);
+	ASSERT_NEQ(err, 0, "ctx_size_out");
+	tattr.ctx_size_out = sizeof(skb);
+
+	/* non-zero [len, tc_index] fields should be rejected*/
+
+	skb.len = 1;
+	err = bpf_prog_test_run_opts(prog_fd, &tattr);
+	ASSERT_NEQ(err, 0, "len");
+	skb.len = 0;
+
+	skb.tc_index = 1;
+	err = bpf_prog_test_run_opts(prog_fd, &tattr);
+	ASSERT_NEQ(err, 0, "tc_index");
+	skb.tc_index = 0;
+
+	/* non-zero [hash, sk] fields should be rejected */
+
+	skb.hash = 1;
+	err = bpf_prog_test_run_opts(prog_fd, &tattr);
+	ASSERT_NEQ(err, 0, "hash");
+	skb.hash = 0;
+
+	skb.sk = (struct bpf_sock *)1;
+	err = bpf_prog_test_run_opts(prog_fd, &tattr);
+	ASSERT_NEQ(err, 0, "sk");
+	skb.sk = 0;
+
+	err = bpf_prog_test_run_opts(prog_fd, &tattr);
+	ASSERT_OK(err, "test_run");
+	ASSERT_OK(tattr.retval, "test_run retval");
+	ASSERT_EQ(tattr.ctx_size_out, sizeof(skb), "ctx_size_out");
+
+	for (i = 0; i < 5; i++)
+		ASSERT_EQ(skb.cb[i], i + 2, "ctx_out_cb");
+	ASSERT_EQ(skb.priority, 7, "ctx_out_priority");
+	ASSERT_EQ(skb.ifindex, 1, "ctx_out_ifindex");
+	ASSERT_EQ(skb.ingress_ifindex, 11, "ctx_out_ingress_ifindex");
+	ASSERT_EQ(skb.tstamp, 8, "ctx_out_tstamp");
+	ASSERT_EQ(skb.mark, 10, "ctx_out_mark");
+
+	bpf_object__close(obj);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/skb_helpers.c b/tools/testing/selftests/bpf/prog_tests/skb_helpers.c
new file mode 100644
index 000000000..f7ee25f29
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/skb_helpers.c
@@ -0,0 +1,30 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <test_progs.h>
+#include <network_helpers.h>
+
+void test_skb_helpers(void)
+{
+	struct __sk_buff skb = {
+		.wire_len = 100,
+		.gso_segs = 8,
+		.gso_size = 10,
+	};
+	LIBBPF_OPTS(bpf_test_run_opts, topts,
+		.data_in = &pkt_v4,
+		.data_size_in = sizeof(pkt_v4),
+		.ctx_in = &skb,
+		.ctx_size_in = sizeof(skb),
+		.ctx_out = &skb,
+		.ctx_size_out = sizeof(skb),
+	);
+	struct bpf_object *obj;
+	int err, prog_fd;
+
+	err = bpf_prog_test_load("./test_skb_helpers.bpf.o",
+				 BPF_PROG_TYPE_SCHED_CLS, &obj, &prog_fd);
+	if (!ASSERT_OK(err, "load"))
+		return;
+	err = bpf_prog_test_run_opts(prog_fd, &topts);
+	ASSERT_OK(err, "test_run");
+	bpf_object__close(obj);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/skb_load_bytes.c b/tools/testing/selftests/bpf/prog_tests/skb_load_bytes.c
new file mode 100644
index 000000000..d7f83c0a4
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/skb_load_bytes.c
@@ -0,0 +1,45 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <test_progs.h>
+#include <network_helpers.h>
+#include "skb_load_bytes.skel.h"
+
+void test_skb_load_bytes(void)
+{
+	struct skb_load_bytes *skel;
+	int err, prog_fd, test_result;
+	struct __sk_buff skb = { 0 };
+
+	LIBBPF_OPTS(bpf_test_run_opts, tattr,
+		.data_in = &pkt_v4,
+		.data_size_in = sizeof(pkt_v4),
+		.ctx_in = &skb,
+		.ctx_size_in = sizeof(skb),
+	);
+
+	skel = skb_load_bytes__open_and_load();
+	if (!ASSERT_OK_PTR(skel, "skel_open_and_load"))
+		return;
+
+	prog_fd = bpf_program__fd(skel->progs.skb_process);
+	if (!ASSERT_GE(prog_fd, 0, "prog_fd"))
+		goto out;
+
+	skel->bss->load_offset = (uint32_t)(-1);
+	err = bpf_prog_test_run_opts(prog_fd, &tattr);
+	if (!ASSERT_OK(err, "bpf_prog_test_run_opts"))
+		goto out;
+	test_result = skel->bss->test_result;
+	if (!ASSERT_EQ(test_result, -EFAULT, "offset -1"))
+		goto out;
+
+	skel->bss->load_offset = (uint32_t)10;
+	err = bpf_prog_test_run_opts(prog_fd, &tattr);
+	if (!ASSERT_OK(err, "bpf_prog_test_run_opts"))
+		goto out;
+	test_result = skel->bss->test_result;
+	if (!ASSERT_EQ(test_result, 0, "offset 10"))
+		goto out;
+
+out:
+	skb_load_bytes__destroy(skel);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/skc_to_unix_sock.c b/tools/testing/selftests/bpf/prog_tests/skc_to_unix_sock.c
new file mode 100644
index 000000000..3eefdfed1
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/skc_to_unix_sock.c
@@ -0,0 +1,54 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* Copyright (c) 2021 Hengqi Chen */
+
+#include <test_progs.h>
+#include <sys/un.h>
+#include "test_skc_to_unix_sock.skel.h"
+
+static const char *sock_path = "@skc_to_unix_sock";
+
+void test_skc_to_unix_sock(void)
+{
+	struct test_skc_to_unix_sock *skel;
+	struct sockaddr_un sockaddr;
+	int err, sockfd = 0;
+
+	skel = test_skc_to_unix_sock__open();
+	if (!ASSERT_OK_PTR(skel, "could not open BPF object"))
+		return;
+
+	skel->rodata->my_pid = getpid();
+
+	err = test_skc_to_unix_sock__load(skel);
+	if (!ASSERT_OK(err, "could not load BPF object"))
+		goto cleanup;
+
+	err = test_skc_to_unix_sock__attach(skel);
+	if (!ASSERT_OK(err, "could not attach BPF object"))
+		goto cleanup;
+
+	/* trigger unix_listen */
+	sockfd = socket(AF_UNIX, SOCK_STREAM, 0);
+	if (!ASSERT_GT(sockfd, 0, "socket failed"))
+		goto cleanup;
+
+	memset(&sockaddr, 0, sizeof(sockaddr));
+	sockaddr.sun_family = AF_UNIX;
+	strncpy(sockaddr.sun_path, sock_path, strlen(sock_path));
+	sockaddr.sun_path[0] = '\0';
+
+	err = bind(sockfd, (struct sockaddr *)&sockaddr, sizeof(sockaddr));
+	if (!ASSERT_OK(err, "bind failed"))
+		goto cleanup;
+
+	err = listen(sockfd, 1);
+	if (!ASSERT_OK(err, "listen failed"))
+		goto cleanup;
+
+	ASSERT_EQ(strcmp(skel->bss->path, sock_path), 0, "bpf_skc_to_unix_sock failed");
+
+cleanup:
+	if (sockfd)
+		close(sockfd);
+	test_skc_to_unix_sock__destroy(skel);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/skeleton.c b/tools/testing/selftests/bpf/prog_tests/skeleton.c
new file mode 100644
index 000000000..99dac5292
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/skeleton.c
@@ -0,0 +1,133 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2019 Facebook */
+
+#include <test_progs.h>
+
+struct s {
+	int a;
+	long long b;
+} __attribute__((packed));
+
+#include "test_skeleton.skel.h"
+
+void test_skeleton(void)
+{
+	int duration = 0, err;
+	struct test_skeleton* skel;
+	struct test_skeleton__bss *bss;
+	struct test_skeleton__data *data;
+	struct test_skeleton__data_dyn *data_dyn;
+	struct test_skeleton__rodata *rodata;
+	struct test_skeleton__rodata_dyn *rodata_dyn;
+	struct test_skeleton__kconfig *kcfg;
+	const void *elf_bytes;
+	size_t elf_bytes_sz = 0;
+	int i;
+
+	skel = test_skeleton__open();
+	if (CHECK(!skel, "skel_open", "failed to open skeleton\n"))
+		return;
+
+	if (CHECK(skel->kconfig, "skel_kconfig", "kconfig is mmaped()!\n"))
+		goto cleanup;
+
+	bss = skel->bss;
+	data = skel->data;
+	data_dyn = skel->data_dyn;
+	rodata = skel->rodata;
+	rodata_dyn = skel->rodata_dyn;
+
+	ASSERT_STREQ(bpf_map__name(skel->maps.rodata_dyn), ".rodata.dyn", "rodata_dyn_name");
+	ASSERT_STREQ(bpf_map__name(skel->maps.data_dyn), ".data.dyn", "data_dyn_name");
+
+	/* validate values are pre-initialized correctly */
+	CHECK(data->in1 != -1, "in1", "got %d != exp %d\n", data->in1, -1);
+	CHECK(data->out1 != -1, "out1", "got %d != exp %d\n", data->out1, -1);
+	CHECK(data->in2 != -1, "in2", "got %lld != exp %lld\n", data->in2, -1LL);
+	CHECK(data->out2 != -1, "out2", "got %lld != exp %lld\n", data->out2, -1LL);
+
+	CHECK(bss->in3 != 0, "in3", "got %d != exp %d\n", bss->in3, 0);
+	CHECK(bss->out3 != 0, "out3", "got %d != exp %d\n", bss->out3, 0);
+	CHECK(bss->in4 != 0, "in4", "got %lld != exp %lld\n", bss->in4, 0LL);
+	CHECK(bss->out4 != 0, "out4", "got %lld != exp %lld\n", bss->out4, 0LL);
+
+	CHECK(rodata->in.in6 != 0, "in6", "got %d != exp %d\n", rodata->in.in6, 0);
+	CHECK(bss->out6 != 0, "out6", "got %d != exp %d\n", bss->out6, 0);
+
+	ASSERT_EQ(rodata_dyn->in_dynarr_sz, 0, "in_dynarr_sz");
+	for (i = 0; i < 4; i++)
+		ASSERT_EQ(rodata_dyn->in_dynarr[i], -(i + 1), "in_dynarr");
+	for (i = 0; i < 4; i++)
+		ASSERT_EQ(data_dyn->out_dynarr[i], i + 1, "out_dynarr");
+
+	/* validate we can pre-setup global variables, even in .bss */
+	data->in1 = 10;
+	data->in2 = 11;
+	bss->in3 = 12;
+	bss->in4 = 13;
+	rodata->in.in6 = 14;
+
+	rodata_dyn->in_dynarr_sz = 4;
+	for (i = 0; i < 4; i++)
+		rodata_dyn->in_dynarr[i] = i + 10;
+
+	err = test_skeleton__load(skel);
+	if (CHECK(err, "skel_load", "failed to load skeleton: %d\n", err))
+		goto cleanup;
+
+	/* validate pre-setup values are still there */
+	CHECK(data->in1 != 10, "in1", "got %d != exp %d\n", data->in1, 10);
+	CHECK(data->in2 != 11, "in2", "got %lld != exp %lld\n", data->in2, 11LL);
+	CHECK(bss->in3 != 12, "in3", "got %d != exp %d\n", bss->in3, 12);
+	CHECK(bss->in4 != 13, "in4", "got %lld != exp %lld\n", bss->in4, 13LL);
+	CHECK(rodata->in.in6 != 14, "in6", "got %d != exp %d\n", rodata->in.in6, 14);
+
+	ASSERT_EQ(rodata_dyn->in_dynarr_sz, 4, "in_dynarr_sz");
+	for (i = 0; i < 4; i++)
+		ASSERT_EQ(rodata_dyn->in_dynarr[i], i + 10, "in_dynarr");
+
+	/* now set new values and attach to get them into outX variables */
+	data->in1 = 1;
+	data->in2 = 2;
+	bss->in3 = 3;
+	bss->in4 = 4;
+	bss->in5.a = 5;
+	bss->in5.b = 6;
+	kcfg = skel->kconfig;
+
+	skel->data_read_mostly->read_mostly_var = 123;
+
+	err = test_skeleton__attach(skel);
+	if (CHECK(err, "skel_attach", "skeleton attach failed: %d\n", err))
+		goto cleanup;
+
+	/* trigger tracepoint */
+	usleep(1);
+
+	CHECK(data->out1 != 1, "res1", "got %d != exp %d\n", data->out1, 1);
+	CHECK(data->out2 != 2, "res2", "got %lld != exp %d\n", data->out2, 2);
+	CHECK(bss->out3 != 3, "res3", "got %d != exp %d\n", (int)bss->out3, 3);
+	CHECK(bss->out4 != 4, "res4", "got %lld != exp %d\n", bss->out4, 4);
+	CHECK(bss->out5.a != 5, "res5", "got %d != exp %d\n", bss->out5.a, 5);
+	CHECK(bss->out5.b != 6, "res6", "got %lld != exp %d\n", bss->out5.b, 6);
+	CHECK(bss->out6 != 14, "res7", "got %d != exp %d\n", bss->out6, 14);
+
+	CHECK(bss->bpf_syscall != kcfg->CONFIG_BPF_SYSCALL, "ext1",
+	      "got %d != exp %d\n", bss->bpf_syscall, kcfg->CONFIG_BPF_SYSCALL);
+	CHECK(bss->kern_ver != kcfg->LINUX_KERNEL_VERSION, "ext2",
+	      "got %d != exp %d\n", bss->kern_ver, kcfg->LINUX_KERNEL_VERSION);
+
+	for (i = 0; i < 4; i++)
+		ASSERT_EQ(data_dyn->out_dynarr[i], i + 10, "out_dynarr");
+
+	ASSERT_EQ(skel->bss->out_mostly_var, 123, "out_mostly_var");
+
+	ASSERT_EQ(bss->huge_arr[ARRAY_SIZE(bss->huge_arr) - 1], 123, "huge_arr");
+
+	elf_bytes = test_skeleton__elf_bytes(&elf_bytes_sz);
+	ASSERT_OK_PTR(elf_bytes, "elf_bytes");
+	ASSERT_GE(elf_bytes_sz, 0, "elf_bytes_sz");
+
+cleanup:
+	test_skeleton__destroy(skel);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/snprintf.c b/tools/testing/selftests/bpf/prog_tests/snprintf.c
new file mode 100644
index 000000000..4be6fdb78
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/snprintf.c
@@ -0,0 +1,127 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2021 Google LLC. */
+
+#include <test_progs.h>
+#include "test_snprintf.skel.h"
+#include "test_snprintf_single.skel.h"
+
+#define EXP_NUM_OUT  "-8 9 96 -424242 1337 DABBAD00"
+#define EXP_NUM_RET  sizeof(EXP_NUM_OUT)
+
+#define EXP_IP_OUT   "127.000.000.001 0000:0000:0000:0000:0000:0000:0000:0001"
+#define EXP_IP_RET   sizeof(EXP_IP_OUT)
+
+/* The third specifier, %pB, depends on compiler inlining so don't check it */
+#define EXP_SYM_OUT  "schedule schedule+0x0/"
+#define MIN_SYM_RET  sizeof(EXP_SYM_OUT)
+
+/* The third specifier, %p, is a hashed pointer which changes on every reboot */
+#define EXP_ADDR_OUT "0000000000000000 ffff00000add4e55 "
+#define EXP_ADDR_RET sizeof(EXP_ADDR_OUT "unknownhashedptr")
+
+#define EXP_STR_OUT  "str1         a  b c      d e longstr"
+#define EXP_STR_RET  sizeof(EXP_STR_OUT)
+
+#define EXP_OVER_OUT "%over"
+#define EXP_OVER_RET 10
+
+#define EXP_PAD_OUT "    4 000"
+#define EXP_PAD_RET 900007
+
+#define EXP_NO_ARG_OUT "simple case"
+#define EXP_NO_ARG_RET 12
+
+#define EXP_NO_BUF_RET 29
+
+static void test_snprintf_positive(void)
+{
+	char exp_addr_out[] = EXP_ADDR_OUT;
+	char exp_sym_out[]  = EXP_SYM_OUT;
+	struct test_snprintf *skel;
+
+	skel = test_snprintf__open_and_load();
+	if (!ASSERT_OK_PTR(skel, "skel_open"))
+		return;
+
+	skel->bss->pid = getpid();
+
+	if (!ASSERT_OK(test_snprintf__attach(skel), "skel_attach"))
+		goto cleanup;
+
+	/* trigger tracepoint */
+	usleep(1);
+
+	ASSERT_STREQ(skel->bss->num_out, EXP_NUM_OUT, "num_out");
+	ASSERT_EQ(skel->bss->num_ret, EXP_NUM_RET, "num_ret");
+
+	ASSERT_STREQ(skel->bss->ip_out, EXP_IP_OUT, "ip_out");
+	ASSERT_EQ(skel->bss->ip_ret, EXP_IP_RET, "ip_ret");
+
+	ASSERT_OK(memcmp(skel->bss->sym_out, exp_sym_out,
+			 sizeof(exp_sym_out) - 1), "sym_out");
+	ASSERT_LT(MIN_SYM_RET, skel->bss->sym_ret, "sym_ret");
+
+	ASSERT_OK(memcmp(skel->bss->addr_out, exp_addr_out,
+			 sizeof(exp_addr_out) - 1), "addr_out");
+	ASSERT_EQ(skel->bss->addr_ret, EXP_ADDR_RET, "addr_ret");
+
+	ASSERT_STREQ(skel->bss->str_out, EXP_STR_OUT, "str_out");
+	ASSERT_EQ(skel->bss->str_ret, EXP_STR_RET, "str_ret");
+
+	ASSERT_STREQ(skel->bss->over_out, EXP_OVER_OUT, "over_out");
+	ASSERT_EQ(skel->bss->over_ret, EXP_OVER_RET, "over_ret");
+
+	ASSERT_STREQ(skel->bss->pad_out, EXP_PAD_OUT, "pad_out");
+	ASSERT_EQ(skel->bss->pad_ret, EXP_PAD_RET, "pad_ret");
+
+	ASSERT_STREQ(skel->bss->noarg_out, EXP_NO_ARG_OUT, "no_arg_out");
+	ASSERT_EQ(skel->bss->noarg_ret, EXP_NO_ARG_RET, "no_arg_ret");
+
+	ASSERT_EQ(skel->bss->nobuf_ret, EXP_NO_BUF_RET, "no_buf_ret");
+
+cleanup:
+	test_snprintf__destroy(skel);
+}
+
+/* Loads an eBPF object calling bpf_snprintf with up to 10 characters of fmt */
+static int load_single_snprintf(char *fmt)
+{
+	struct test_snprintf_single *skel;
+	int ret;
+
+	skel = test_snprintf_single__open();
+	if (!skel)
+		return -EINVAL;
+
+	memcpy(skel->rodata->fmt, fmt, MIN(strlen(fmt) + 1, 10));
+
+	ret = test_snprintf_single__load(skel);
+	test_snprintf_single__destroy(skel);
+
+	return ret;
+}
+
+static void test_snprintf_negative(void)
+{
+	ASSERT_OK(load_single_snprintf("valid %d"), "valid usage");
+
+	ASSERT_ERR(load_single_snprintf("0123456789"), "no terminating zero");
+	ASSERT_ERR(load_single_snprintf("%d %d"), "too many specifiers");
+	ASSERT_ERR(load_single_snprintf("%pi5"), "invalid specifier 1");
+	ASSERT_ERR(load_single_snprintf("%a"), "invalid specifier 2");
+	ASSERT_ERR(load_single_snprintf("%"), "invalid specifier 3");
+	ASSERT_ERR(load_single_snprintf("%12345678"), "invalid specifier 4");
+	ASSERT_ERR(load_single_snprintf("%--------"), "invalid specifier 5");
+	ASSERT_ERR(load_single_snprintf("%lc"), "invalid specifier 6");
+	ASSERT_ERR(load_single_snprintf("%llc"), "invalid specifier 7");
+	ASSERT_ERR(load_single_snprintf("\x80"), "non ascii character");
+	ASSERT_ERR(load_single_snprintf("\x1"), "non printable character");
+}
+
+void test_snprintf(void)
+{
+	if (test__start_subtest("snprintf_positive"))
+		test_snprintf_positive();
+	if (test__start_subtest("snprintf_negative"))
+		test_snprintf_negative();
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/snprintf_btf.c b/tools/testing/selftests/bpf/prog_tests/snprintf_btf.c
new file mode 100644
index 000000000..dd41b826b
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/snprintf_btf.c
@@ -0,0 +1,60 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <test_progs.h>
+#include <linux/btf.h>
+#include "netif_receive_skb.skel.h"
+
+/* Demonstrate that bpf_snprintf_btf succeeds and that various data types
+ * are formatted correctly.
+ */
+void serial_test_snprintf_btf(void)
+{
+	struct netif_receive_skb *skel;
+	struct netif_receive_skb__bss *bss;
+	int err, duration = 0;
+
+	skel = netif_receive_skb__open();
+	if (CHECK(!skel, "skel_open", "failed to open skeleton\n"))
+		return;
+
+	err = netif_receive_skb__load(skel);
+	if (CHECK(err, "skel_load", "failed to load skeleton: %d\n", err))
+		goto cleanup;
+
+	bss = skel->bss;
+
+	err = netif_receive_skb__attach(skel);
+	if (CHECK(err, "skel_attach", "skeleton attach failed: %d\n", err))
+		goto cleanup;
+
+	/* generate receive event */
+	err = system("ping -c 1 127.0.0.1 > /dev/null");
+	if (CHECK(err, "system", "ping failed: %d\n", err))
+		goto cleanup;
+
+	if (bss->skip) {
+		printf("%s:SKIP:no __builtin_btf_type_id\n", __func__);
+		test__skip();
+		goto cleanup;
+	}
+
+	/*
+	 * Make sure netif_receive_skb program was triggered
+	 * and it set expected return values from bpf_trace_printk()s
+	 * and all tests ran.
+	 */
+	if (!ASSERT_GT(bss->ret, 0, "bpf_snprintf_ret"))
+		goto cleanup;
+
+	if (CHECK(bss->ran_subtests == 0, "check if subtests ran",
+		  "no subtests ran, did BPF program run?"))
+		goto cleanup;
+
+	if (CHECK(bss->num_subtests != bss->ran_subtests,
+		  "check all subtests ran",
+		  "only ran %d of %d tests\n", bss->num_subtests,
+		  bss->ran_subtests))
+		goto cleanup;
+
+cleanup:
+	netif_receive_skb__destroy(skel);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/sock_fields.c b/tools/testing/selftests/bpf/prog_tests/sock_fields.c
new file mode 100644
index 000000000..7d23166c7
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/sock_fields.c
@@ -0,0 +1,402 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2019 Facebook */
+
+#define _GNU_SOURCE
+#include <netinet/in.h>
+#include <arpa/inet.h>
+#include <unistd.h>
+#include <sched.h>
+#include <stdlib.h>
+#include <string.h>
+#include <errno.h>
+
+#include <bpf/bpf.h>
+#include <bpf/libbpf.h>
+#include <linux/compiler.h>
+
+#include "network_helpers.h"
+#include "cgroup_helpers.h"
+#include "test_progs.h"
+#include "test_sock_fields.skel.h"
+
+enum bpf_linum_array_idx {
+	EGRESS_LINUM_IDX,
+	INGRESS_LINUM_IDX,
+	READ_SK_DST_PORT_LINUM_IDX,
+	__NR_BPF_LINUM_ARRAY_IDX,
+};
+
+struct bpf_spinlock_cnt {
+	struct bpf_spin_lock lock;
+	__u32 cnt;
+};
+
+#define PARENT_CGROUP	"/test-bpf-sock-fields"
+#define CHILD_CGROUP	"/test-bpf-sock-fields/child"
+#define DATA "Hello BPF!"
+#define DATA_LEN sizeof(DATA)
+
+static struct sockaddr_in6 srv_sa6, cli_sa6;
+static int sk_pkt_out_cnt10_fd;
+static struct test_sock_fields *skel;
+static int sk_pkt_out_cnt_fd;
+static __u64 parent_cg_id;
+static __u64 child_cg_id;
+static int linum_map_fd;
+static __u32 duration;
+
+static bool create_netns(void)
+{
+	if (!ASSERT_OK(unshare(CLONE_NEWNET), "create netns"))
+		return false;
+
+	if (!ASSERT_OK(system("ip link set dev lo up"), "bring up lo"))
+		return false;
+
+	return true;
+}
+
+static void print_sk(const struct bpf_sock *sk, const char *prefix)
+{
+	char src_ip4[24], dst_ip4[24];
+	char src_ip6[64], dst_ip6[64];
+
+	inet_ntop(AF_INET, &sk->src_ip4, src_ip4, sizeof(src_ip4));
+	inet_ntop(AF_INET6, &sk->src_ip6, src_ip6, sizeof(src_ip6));
+	inet_ntop(AF_INET, &sk->dst_ip4, dst_ip4, sizeof(dst_ip4));
+	inet_ntop(AF_INET6, &sk->dst_ip6, dst_ip6, sizeof(dst_ip6));
+
+	printf("%s: state:%u bound_dev_if:%u family:%u type:%u protocol:%u mark:%u priority:%u "
+	       "src_ip4:%x(%s) src_ip6:%x:%x:%x:%x(%s) src_port:%u "
+	       "dst_ip4:%x(%s) dst_ip6:%x:%x:%x:%x(%s) dst_port:%u\n",
+	       prefix,
+	       sk->state, sk->bound_dev_if, sk->family, sk->type, sk->protocol,
+	       sk->mark, sk->priority,
+	       sk->src_ip4, src_ip4,
+	       sk->src_ip6[0], sk->src_ip6[1], sk->src_ip6[2], sk->src_ip6[3],
+	       src_ip6, sk->src_port,
+	       sk->dst_ip4, dst_ip4,
+	       sk->dst_ip6[0], sk->dst_ip6[1], sk->dst_ip6[2], sk->dst_ip6[3],
+	       dst_ip6, ntohs(sk->dst_port));
+}
+
+static void print_tp(const struct bpf_tcp_sock *tp, const char *prefix)
+{
+	printf("%s: snd_cwnd:%u srtt_us:%u rtt_min:%u snd_ssthresh:%u rcv_nxt:%u "
+	       "snd_nxt:%u snd:una:%u mss_cache:%u ecn_flags:%u "
+	       "rate_delivered:%u rate_interval_us:%u packets_out:%u "
+	       "retrans_out:%u total_retrans:%u segs_in:%u data_segs_in:%u "
+	       "segs_out:%u data_segs_out:%u lost_out:%u sacked_out:%u "
+	       "bytes_received:%llu bytes_acked:%llu\n",
+	       prefix,
+	       tp->snd_cwnd, tp->srtt_us, tp->rtt_min, tp->snd_ssthresh,
+	       tp->rcv_nxt, tp->snd_nxt, tp->snd_una, tp->mss_cache,
+	       tp->ecn_flags, tp->rate_delivered, tp->rate_interval_us,
+	       tp->packets_out, tp->retrans_out, tp->total_retrans,
+	       tp->segs_in, tp->data_segs_in, tp->segs_out,
+	       tp->data_segs_out, tp->lost_out, tp->sacked_out,
+	       tp->bytes_received, tp->bytes_acked);
+}
+
+static void check_result(void)
+{
+	struct bpf_tcp_sock srv_tp, cli_tp, listen_tp;
+	struct bpf_sock srv_sk, cli_sk, listen_sk;
+	__u32 idx, ingress_linum, egress_linum, linum;
+	int err;
+
+	idx = EGRESS_LINUM_IDX;
+	err = bpf_map_lookup_elem(linum_map_fd, &idx, &egress_linum);
+	CHECK(err < 0, "bpf_map_lookup_elem(linum_map_fd)",
+	      "err:%d errno:%d\n", err, errno);
+
+	idx = INGRESS_LINUM_IDX;
+	err = bpf_map_lookup_elem(linum_map_fd, &idx, &ingress_linum);
+	CHECK(err < 0, "bpf_map_lookup_elem(linum_map_fd)",
+	      "err:%d errno:%d\n", err, errno);
+
+	idx = READ_SK_DST_PORT_LINUM_IDX;
+	err = bpf_map_lookup_elem(linum_map_fd, &idx, &linum);
+	ASSERT_OK(err, "bpf_map_lookup_elem(linum_map_fd, READ_SK_DST_PORT_IDX)");
+	ASSERT_EQ(linum, 0, "failure in read_sk_dst_port on line");
+
+	memcpy(&srv_sk, &skel->bss->srv_sk, sizeof(srv_sk));
+	memcpy(&srv_tp, &skel->bss->srv_tp, sizeof(srv_tp));
+	memcpy(&cli_sk, &skel->bss->cli_sk, sizeof(cli_sk));
+	memcpy(&cli_tp, &skel->bss->cli_tp, sizeof(cli_tp));
+	memcpy(&listen_sk, &skel->bss->listen_sk, sizeof(listen_sk));
+	memcpy(&listen_tp, &skel->bss->listen_tp, sizeof(listen_tp));
+
+	print_sk(&listen_sk, "listen_sk");
+	print_sk(&srv_sk, "srv_sk");
+	print_sk(&cli_sk, "cli_sk");
+	print_tp(&listen_tp, "listen_tp");
+	print_tp(&srv_tp, "srv_tp");
+	print_tp(&cli_tp, "cli_tp");
+
+	CHECK(listen_sk.state != 10 ||
+	      listen_sk.family != AF_INET6 ||
+	      listen_sk.protocol != IPPROTO_TCP ||
+	      memcmp(listen_sk.src_ip6, &in6addr_loopback,
+		     sizeof(listen_sk.src_ip6)) ||
+	      listen_sk.dst_ip6[0] || listen_sk.dst_ip6[1] ||
+	      listen_sk.dst_ip6[2] || listen_sk.dst_ip6[3] ||
+	      listen_sk.src_port != ntohs(srv_sa6.sin6_port) ||
+	      listen_sk.dst_port,
+	      "listen_sk",
+	      "Unexpected. Check listen_sk output. ingress_linum:%u\n",
+	      ingress_linum);
+
+	CHECK(srv_sk.state == 10 ||
+	      !srv_sk.state ||
+	      srv_sk.family != AF_INET6 ||
+	      srv_sk.protocol != IPPROTO_TCP ||
+	      memcmp(srv_sk.src_ip6, &in6addr_loopback,
+		     sizeof(srv_sk.src_ip6)) ||
+	      memcmp(srv_sk.dst_ip6, &in6addr_loopback,
+		     sizeof(srv_sk.dst_ip6)) ||
+	      srv_sk.src_port != ntohs(srv_sa6.sin6_port) ||
+	      srv_sk.dst_port != cli_sa6.sin6_port,
+	      "srv_sk", "Unexpected. Check srv_sk output. egress_linum:%u\n",
+	      egress_linum);
+
+	CHECK(!skel->bss->lsndtime, "srv_tp", "Unexpected lsndtime:0\n");
+
+	CHECK(cli_sk.state == 10 ||
+	      !cli_sk.state ||
+	      cli_sk.family != AF_INET6 ||
+	      cli_sk.protocol != IPPROTO_TCP ||
+	      memcmp(cli_sk.src_ip6, &in6addr_loopback,
+		     sizeof(cli_sk.src_ip6)) ||
+	      memcmp(cli_sk.dst_ip6, &in6addr_loopback,
+		     sizeof(cli_sk.dst_ip6)) ||
+	      cli_sk.src_port != ntohs(cli_sa6.sin6_port) ||
+	      cli_sk.dst_port != srv_sa6.sin6_port,
+	      "cli_sk", "Unexpected. Check cli_sk output. egress_linum:%u\n",
+	      egress_linum);
+
+	CHECK(listen_tp.data_segs_out ||
+	      listen_tp.data_segs_in ||
+	      listen_tp.total_retrans ||
+	      listen_tp.bytes_acked,
+	      "listen_tp",
+	      "Unexpected. Check listen_tp output. ingress_linum:%u\n",
+	      ingress_linum);
+
+	CHECK(srv_tp.data_segs_out != 2 ||
+	      srv_tp.data_segs_in ||
+	      srv_tp.snd_cwnd != 10 ||
+	      srv_tp.total_retrans ||
+	      srv_tp.bytes_acked < 2 * DATA_LEN,
+	      "srv_tp", "Unexpected. Check srv_tp output. egress_linum:%u\n",
+	      egress_linum);
+
+	CHECK(cli_tp.data_segs_out ||
+	      cli_tp.data_segs_in != 2 ||
+	      cli_tp.snd_cwnd != 10 ||
+	      cli_tp.total_retrans ||
+	      cli_tp.bytes_received < 2 * DATA_LEN,
+	      "cli_tp", "Unexpected. Check cli_tp output. egress_linum:%u\n",
+	      egress_linum);
+
+	CHECK(skel->bss->parent_cg_id != parent_cg_id,
+	      "parent_cg_id", "%zu != %zu\n",
+	      (size_t)skel->bss->parent_cg_id, (size_t)parent_cg_id);
+
+	CHECK(skel->bss->child_cg_id != child_cg_id,
+	      "child_cg_id", "%zu != %zu\n",
+	       (size_t)skel->bss->child_cg_id, (size_t)child_cg_id);
+}
+
+static void check_sk_pkt_out_cnt(int accept_fd, int cli_fd)
+{
+	struct bpf_spinlock_cnt pkt_out_cnt = {}, pkt_out_cnt10 = {};
+	int err;
+
+	pkt_out_cnt.cnt = ~0;
+	pkt_out_cnt10.cnt = ~0;
+	err = bpf_map_lookup_elem(sk_pkt_out_cnt_fd, &accept_fd, &pkt_out_cnt);
+	if (!err)
+		err = bpf_map_lookup_elem(sk_pkt_out_cnt10_fd, &accept_fd,
+					  &pkt_out_cnt10);
+
+	/* The bpf prog only counts for fullsock and
+	 * passive connection did not become fullsock until 3WHS
+	 * had been finished, so the bpf prog only counted two data
+	 * packet out.
+	 */
+	CHECK(err || pkt_out_cnt.cnt < 0xeB9F + 2 ||
+	      pkt_out_cnt10.cnt < 0xeB9F + 20,
+	      "bpf_map_lookup_elem(sk_pkt_out_cnt, &accept_fd)",
+	      "err:%d errno:%d pkt_out_cnt:%u pkt_out_cnt10:%u\n",
+	      err, errno, pkt_out_cnt.cnt, pkt_out_cnt10.cnt);
+
+	pkt_out_cnt.cnt = ~0;
+	pkt_out_cnt10.cnt = ~0;
+	err = bpf_map_lookup_elem(sk_pkt_out_cnt_fd, &cli_fd, &pkt_out_cnt);
+	if (!err)
+		err = bpf_map_lookup_elem(sk_pkt_out_cnt10_fd, &cli_fd,
+					  &pkt_out_cnt10);
+	/* Active connection is fullsock from the beginning.
+	 * 1 SYN and 1 ACK during 3WHS
+	 * 2 Acks on data packet.
+	 *
+	 * The bpf_prog initialized it to 0xeB9F.
+	 */
+	CHECK(err || pkt_out_cnt.cnt < 0xeB9F + 4 ||
+	      pkt_out_cnt10.cnt < 0xeB9F + 40,
+	      "bpf_map_lookup_elem(sk_pkt_out_cnt, &cli_fd)",
+	      "err:%d errno:%d pkt_out_cnt:%u pkt_out_cnt10:%u\n",
+	      err, errno, pkt_out_cnt.cnt, pkt_out_cnt10.cnt);
+}
+
+static int init_sk_storage(int sk_fd, __u32 pkt_out_cnt)
+{
+	struct bpf_spinlock_cnt scnt = {};
+	int err;
+
+	scnt.cnt = pkt_out_cnt;
+	err = bpf_map_update_elem(sk_pkt_out_cnt_fd, &sk_fd, &scnt,
+				  BPF_NOEXIST);
+	if (CHECK(err, "bpf_map_update_elem(sk_pkt_out_cnt_fd)",
+		  "err:%d errno:%d\n", err, errno))
+		return err;
+
+	err = bpf_map_update_elem(sk_pkt_out_cnt10_fd, &sk_fd, &scnt,
+				  BPF_NOEXIST);
+	if (CHECK(err, "bpf_map_update_elem(sk_pkt_out_cnt10_fd)",
+		  "err:%d errno:%d\n", err, errno))
+		return err;
+
+	return 0;
+}
+
+static void test(void)
+{
+	int listen_fd = -1, cli_fd = -1, accept_fd = -1, err, i;
+	socklen_t addrlen = sizeof(struct sockaddr_in6);
+	char buf[DATA_LEN];
+
+	/* Prepare listen_fd */
+	listen_fd = start_server(AF_INET6, SOCK_STREAM, "::1", 0xcafe, 0);
+	/* start_server() has logged the error details */
+	if (CHECK_FAIL(listen_fd == -1))
+		goto done;
+
+	err = getsockname(listen_fd, (struct sockaddr *)&srv_sa6, &addrlen);
+	if (CHECK(err, "getsockname(listen_fd)", "err:%d errno:%d\n", err,
+		  errno))
+		goto done;
+	memcpy(&skel->bss->srv_sa6, &srv_sa6, sizeof(srv_sa6));
+
+	cli_fd = connect_to_fd(listen_fd, 0);
+	if (CHECK_FAIL(cli_fd == -1))
+		goto done;
+
+	err = getsockname(cli_fd, (struct sockaddr *)&cli_sa6, &addrlen);
+	if (CHECK(err, "getsockname(cli_fd)", "err:%d errno:%d\n",
+		  err, errno))
+		goto done;
+
+	accept_fd = accept(listen_fd, NULL, NULL);
+	if (CHECK(accept_fd == -1, "accept(listen_fd)",
+		  "accept_fd:%d errno:%d\n",
+		  accept_fd, errno))
+		goto done;
+
+	if (init_sk_storage(accept_fd, 0xeB9F))
+		goto done;
+
+	for (i = 0; i < 2; i++) {
+		/* Send some data from accept_fd to cli_fd.
+		 * MSG_EOR to stop kernel from coalescing two pkts.
+		 */
+		err = send(accept_fd, DATA, DATA_LEN, MSG_EOR);
+		if (CHECK(err != DATA_LEN, "send(accept_fd)",
+			  "err:%d errno:%d\n", err, errno))
+			goto done;
+
+		err = recv(cli_fd, buf, DATA_LEN, 0);
+		if (CHECK(err != DATA_LEN, "recv(cli_fd)", "err:%d errno:%d\n",
+			  err, errno))
+			goto done;
+	}
+
+	shutdown(cli_fd, SHUT_WR);
+	err = recv(accept_fd, buf, 1, 0);
+	if (CHECK(err, "recv(accept_fd) for fin", "err:%d errno:%d\n",
+		  err, errno))
+		goto done;
+	shutdown(accept_fd, SHUT_WR);
+	err = recv(cli_fd, buf, 1, 0);
+	if (CHECK(err, "recv(cli_fd) for fin", "err:%d errno:%d\n",
+		  err, errno))
+		goto done;
+	check_sk_pkt_out_cnt(accept_fd, cli_fd);
+	check_result();
+
+done:
+	if (accept_fd != -1)
+		close(accept_fd);
+	if (cli_fd != -1)
+		close(cli_fd);
+	if (listen_fd != -1)
+		close(listen_fd);
+}
+
+void serial_test_sock_fields(void)
+{
+	int parent_cg_fd = -1, child_cg_fd = -1;
+	struct bpf_link *link;
+
+	/* Use a dedicated netns to have a fixed listen port */
+	if (!create_netns())
+		return;
+
+	/* Create a cgroup, get fd, and join it */
+	parent_cg_fd = test__join_cgroup(PARENT_CGROUP);
+	if (CHECK_FAIL(parent_cg_fd < 0))
+		return;
+	parent_cg_id = get_cgroup_id(PARENT_CGROUP);
+	if (CHECK_FAIL(!parent_cg_id))
+		goto done;
+
+	child_cg_fd = test__join_cgroup(CHILD_CGROUP);
+	if (CHECK_FAIL(child_cg_fd < 0))
+		goto done;
+	child_cg_id = get_cgroup_id(CHILD_CGROUP);
+	if (CHECK_FAIL(!child_cg_id))
+		goto done;
+
+	skel = test_sock_fields__open_and_load();
+	if (CHECK(!skel, "test_sock_fields__open_and_load", "failed\n"))
+		goto done;
+
+	link = bpf_program__attach_cgroup(skel->progs.egress_read_sock_fields, child_cg_fd);
+	if (!ASSERT_OK_PTR(link, "attach_cgroup(egress_read_sock_fields)"))
+		goto done;
+	skel->links.egress_read_sock_fields = link;
+
+	link = bpf_program__attach_cgroup(skel->progs.ingress_read_sock_fields, child_cg_fd);
+	if (!ASSERT_OK_PTR(link, "attach_cgroup(ingress_read_sock_fields)"))
+		goto done;
+	skel->links.ingress_read_sock_fields = link;
+
+	link = bpf_program__attach_cgroup(skel->progs.read_sk_dst_port, child_cg_fd);
+	if (!ASSERT_OK_PTR(link, "attach_cgroup(read_sk_dst_port"))
+		goto done;
+	skel->links.read_sk_dst_port = link;
+
+	linum_map_fd = bpf_map__fd(skel->maps.linum_map);
+	sk_pkt_out_cnt_fd = bpf_map__fd(skel->maps.sk_pkt_out_cnt);
+	sk_pkt_out_cnt10_fd = bpf_map__fd(skel->maps.sk_pkt_out_cnt10);
+
+	test();
+
+done:
+	test_sock_fields__destroy(skel);
+	if (child_cg_fd >= 0)
+		close(child_cg_fd);
+	if (parent_cg_fd >= 0)
+		close(parent_cg_fd);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/socket_cookie.c b/tools/testing/selftests/bpf/prog_tests/socket_cookie.c
new file mode 100644
index 000000000..232db28dd
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/socket_cookie.c
@@ -0,0 +1,76 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (c) 2020 Google LLC.
+// Copyright (c) 2018 Facebook
+
+#include <test_progs.h>
+#include "socket_cookie_prog.skel.h"
+#include "network_helpers.h"
+
+static int duration;
+
+struct socket_cookie {
+	__u64 cookie_key;
+	__u32 cookie_value;
+};
+
+void test_socket_cookie(void)
+{
+	int server_fd = 0, client_fd = 0, cgroup_fd = 0, err = 0;
+	socklen_t addr_len = sizeof(struct sockaddr_in6);
+	struct socket_cookie_prog *skel;
+	__u32 cookie_expected_value;
+	struct sockaddr_in6 addr;
+	struct socket_cookie val;
+
+	skel = socket_cookie_prog__open_and_load();
+	if (!ASSERT_OK_PTR(skel, "skel_open"))
+		return;
+
+	cgroup_fd = test__join_cgroup("/socket_cookie");
+	if (CHECK(cgroup_fd < 0, "join_cgroup", "cgroup creation failed\n"))
+		goto out;
+
+	skel->links.set_cookie = bpf_program__attach_cgroup(
+		skel->progs.set_cookie, cgroup_fd);
+	if (!ASSERT_OK_PTR(skel->links.set_cookie, "prog_attach"))
+		goto close_cgroup_fd;
+
+	skel->links.update_cookie_sockops = bpf_program__attach_cgroup(
+		skel->progs.update_cookie_sockops, cgroup_fd);
+	if (!ASSERT_OK_PTR(skel->links.update_cookie_sockops, "prog_attach"))
+		goto close_cgroup_fd;
+
+	skel->links.update_cookie_tracing = bpf_program__attach(
+		skel->progs.update_cookie_tracing);
+	if (!ASSERT_OK_PTR(skel->links.update_cookie_tracing, "prog_attach"))
+		goto close_cgroup_fd;
+
+	server_fd = start_server(AF_INET6, SOCK_STREAM, "::1", 0, 0);
+	if (CHECK(server_fd < 0, "start_server", "errno %d\n", errno))
+		goto close_cgroup_fd;
+
+	client_fd = connect_to_fd(server_fd, 0);
+	if (CHECK(client_fd < 0, "connect_to_fd", "errno %d\n", errno))
+		goto close_server_fd;
+
+	err = bpf_map_lookup_elem(bpf_map__fd(skel->maps.socket_cookies),
+				  &client_fd, &val);
+	if (!ASSERT_OK(err, "map_lookup(socket_cookies)"))
+		goto close_client_fd;
+
+	err = getsockname(client_fd, (struct sockaddr *)&addr, &addr_len);
+	if (!ASSERT_OK(err, "getsockname"))
+		goto close_client_fd;
+
+	cookie_expected_value = (ntohs(addr.sin6_port) << 8) | 0xFF;
+	ASSERT_EQ(val.cookie_value, cookie_expected_value, "cookie_value");
+
+close_client_fd:
+	close(client_fd);
+close_server_fd:
+	close(server_fd);
+close_cgroup_fd:
+	close(cgroup_fd);
+out:
+	socket_cookie_prog__destroy(skel);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/sockmap_basic.c b/tools/testing/selftests/bpf/prog_tests/sockmap_basic.c
new file mode 100644
index 000000000..0aa088900
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/sockmap_basic.c
@@ -0,0 +1,387 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (c) 2020 Cloudflare
+#include <error.h>
+#include <netinet/tcp.h>
+
+#include "test_progs.h"
+#include "test_skmsg_load_helpers.skel.h"
+#include "test_sockmap_update.skel.h"
+#include "test_sockmap_invalid_update.skel.h"
+#include "test_sockmap_skb_verdict_attach.skel.h"
+#include "test_sockmap_progs_query.skel.h"
+#include "bpf_iter_sockmap.skel.h"
+
+#define TCP_REPAIR		19	/* TCP sock is under repair right now */
+
+#define TCP_REPAIR_ON		1
+#define TCP_REPAIR_OFF_NO_WP	-1	/* Turn off without window probes */
+
+static int connected_socket_v4(void)
+{
+	struct sockaddr_in addr = {
+		.sin_family = AF_INET,
+		.sin_port = htons(80),
+		.sin_addr = { inet_addr("127.0.0.1") },
+	};
+	socklen_t len = sizeof(addr);
+	int s, repair, err;
+
+	s = socket(AF_INET, SOCK_STREAM, 0);
+	if (!ASSERT_GE(s, 0, "socket"))
+		goto error;
+
+	repair = TCP_REPAIR_ON;
+	err = setsockopt(s, SOL_TCP, TCP_REPAIR, &repair, sizeof(repair));
+	if (!ASSERT_OK(err, "setsockopt(TCP_REPAIR)"))
+		goto error;
+
+	err = connect(s, (struct sockaddr *)&addr, len);
+	if (!ASSERT_OK(err, "connect"))
+		goto error;
+
+	repair = TCP_REPAIR_OFF_NO_WP;
+	err = setsockopt(s, SOL_TCP, TCP_REPAIR, &repair, sizeof(repair));
+	if (!ASSERT_OK(err, "setsockopt(TCP_REPAIR)"))
+		goto error;
+
+	return s;
+error:
+	perror(__func__);
+	close(s);
+	return -1;
+}
+
+static void compare_cookies(struct bpf_map *src, struct bpf_map *dst)
+{
+	__u32 i, max_entries = bpf_map__max_entries(src);
+	int err, src_fd, dst_fd;
+
+	src_fd = bpf_map__fd(src);
+	dst_fd = bpf_map__fd(dst);
+
+	for (i = 0; i < max_entries; i++) {
+		__u64 src_cookie, dst_cookie;
+
+		err = bpf_map_lookup_elem(src_fd, &i, &src_cookie);
+		if (err && errno == ENOENT) {
+			err = bpf_map_lookup_elem(dst_fd, &i, &dst_cookie);
+			ASSERT_ERR(err, "map_lookup_elem(dst)");
+			ASSERT_EQ(errno, ENOENT, "map_lookup_elem(dst)");
+			continue;
+		}
+		if (!ASSERT_OK(err, "lookup_elem(src)"))
+			continue;
+
+		err = bpf_map_lookup_elem(dst_fd, &i, &dst_cookie);
+		if (!ASSERT_OK(err, "lookup_elem(dst)"))
+			continue;
+
+		ASSERT_EQ(dst_cookie, src_cookie, "cookie mismatch");
+	}
+}
+
+/* Create a map, populate it with one socket, and free the map. */
+static void test_sockmap_create_update_free(enum bpf_map_type map_type)
+{
+	const int zero = 0;
+	int s, map, err;
+
+	s = connected_socket_v4();
+	if (!ASSERT_GE(s, 0, "connected_socket_v4"))
+		return;
+
+	map = bpf_map_create(map_type, NULL, sizeof(int), sizeof(int), 1, NULL);
+	if (!ASSERT_GE(map, 0, "bpf_map_create"))
+		goto out;
+
+	err = bpf_map_update_elem(map, &zero, &s, BPF_NOEXIST);
+	if (!ASSERT_OK(err, "bpf_map_update"))
+		goto out;
+
+out:
+	close(map);
+	close(s);
+}
+
+static void test_skmsg_helpers(enum bpf_map_type map_type)
+{
+	struct test_skmsg_load_helpers *skel;
+	int err, map, verdict;
+
+	skel = test_skmsg_load_helpers__open_and_load();
+	if (!ASSERT_OK_PTR(skel, "test_skmsg_load_helpers__open_and_load"))
+		return;
+
+	verdict = bpf_program__fd(skel->progs.prog_msg_verdict);
+	map = bpf_map__fd(skel->maps.sock_map);
+
+	err = bpf_prog_attach(verdict, map, BPF_SK_MSG_VERDICT, 0);
+	if (!ASSERT_OK(err, "bpf_prog_attach"))
+		goto out;
+
+	err = bpf_prog_detach2(verdict, map, BPF_SK_MSG_VERDICT);
+	if (!ASSERT_OK(err, "bpf_prog_detach2"))
+		goto out;
+out:
+	test_skmsg_load_helpers__destroy(skel);
+}
+
+static void test_sockmap_update(enum bpf_map_type map_type)
+{
+	int err, prog, src;
+	struct test_sockmap_update *skel;
+	struct bpf_map *dst_map;
+	const __u32 zero = 0;
+	char dummy[14] = {0};
+	LIBBPF_OPTS(bpf_test_run_opts, topts,
+		.data_in = dummy,
+		.data_size_in = sizeof(dummy),
+		.repeat = 1,
+	);
+	__s64 sk;
+
+	sk = connected_socket_v4();
+	if (!ASSERT_NEQ(sk, -1, "connected_socket_v4"))
+		return;
+
+	skel = test_sockmap_update__open_and_load();
+	if (!ASSERT_OK_PTR(skel, "open_and_load"))
+		goto close_sk;
+
+	prog = bpf_program__fd(skel->progs.copy_sock_map);
+	src = bpf_map__fd(skel->maps.src);
+	if (map_type == BPF_MAP_TYPE_SOCKMAP)
+		dst_map = skel->maps.dst_sock_map;
+	else
+		dst_map = skel->maps.dst_sock_hash;
+
+	err = bpf_map_update_elem(src, &zero, &sk, BPF_NOEXIST);
+	if (!ASSERT_OK(err, "update_elem(src)"))
+		goto out;
+
+	err = bpf_prog_test_run_opts(prog, &topts);
+	if (!ASSERT_OK(err, "test_run"))
+		goto out;
+	if (!ASSERT_NEQ(topts.retval, 0, "test_run retval"))
+		goto out;
+
+	compare_cookies(skel->maps.src, dst_map);
+
+out:
+	test_sockmap_update__destroy(skel);
+close_sk:
+	close(sk);
+}
+
+static void test_sockmap_invalid_update(void)
+{
+	struct test_sockmap_invalid_update *skel;
+
+	skel = test_sockmap_invalid_update__open_and_load();
+	if (!ASSERT_NULL(skel, "open_and_load"))
+		test_sockmap_invalid_update__destroy(skel);
+}
+
+static void test_sockmap_copy(enum bpf_map_type map_type)
+{
+	DECLARE_LIBBPF_OPTS(bpf_iter_attach_opts, opts);
+	int err, len, src_fd, iter_fd;
+	union bpf_iter_link_info linfo = {};
+	__u32 i, num_sockets, num_elems;
+	struct bpf_iter_sockmap *skel;
+	__s64 *sock_fd = NULL;
+	struct bpf_link *link;
+	struct bpf_map *src;
+	char buf[64];
+
+	skel = bpf_iter_sockmap__open_and_load();
+	if (!ASSERT_OK_PTR(skel, "bpf_iter_sockmap__open_and_load"))
+		return;
+
+	if (map_type == BPF_MAP_TYPE_SOCKMAP) {
+		src = skel->maps.sockmap;
+		num_elems = bpf_map__max_entries(src);
+		num_sockets = num_elems - 1;
+	} else {
+		src = skel->maps.sockhash;
+		num_elems = bpf_map__max_entries(src) - 1;
+		num_sockets = num_elems;
+	}
+
+	sock_fd = calloc(num_sockets, sizeof(*sock_fd));
+	if (!ASSERT_OK_PTR(sock_fd, "calloc(sock_fd)"))
+		goto out;
+
+	for (i = 0; i < num_sockets; i++)
+		sock_fd[i] = -1;
+
+	src_fd = bpf_map__fd(src);
+
+	for (i = 0; i < num_sockets; i++) {
+		sock_fd[i] = connected_socket_v4();
+		if (!ASSERT_NEQ(sock_fd[i], -1, "connected_socket_v4"))
+			goto out;
+
+		err = bpf_map_update_elem(src_fd, &i, &sock_fd[i], BPF_NOEXIST);
+		if (!ASSERT_OK(err, "map_update"))
+			goto out;
+	}
+
+	linfo.map.map_fd = src_fd;
+	opts.link_info = &linfo;
+	opts.link_info_len = sizeof(linfo);
+	link = bpf_program__attach_iter(skel->progs.copy, &opts);
+	if (!ASSERT_OK_PTR(link, "attach_iter"))
+		goto out;
+
+	iter_fd = bpf_iter_create(bpf_link__fd(link));
+	if (!ASSERT_GE(iter_fd, 0, "create_iter"))
+		goto free_link;
+
+	/* do some tests */
+	while ((len = read(iter_fd, buf, sizeof(buf))) > 0)
+		;
+	if (!ASSERT_GE(len, 0, "read"))
+		goto close_iter;
+
+	/* test results */
+	if (!ASSERT_EQ(skel->bss->elems, num_elems, "elems"))
+		goto close_iter;
+
+	if (!ASSERT_EQ(skel->bss->socks, num_sockets, "socks"))
+		goto close_iter;
+
+	compare_cookies(src, skel->maps.dst);
+
+close_iter:
+	close(iter_fd);
+free_link:
+	bpf_link__destroy(link);
+out:
+	for (i = 0; sock_fd && i < num_sockets; i++)
+		if (sock_fd[i] >= 0)
+			close(sock_fd[i]);
+	if (sock_fd)
+		free(sock_fd);
+	bpf_iter_sockmap__destroy(skel);
+}
+
+static void test_sockmap_skb_verdict_attach(enum bpf_attach_type first,
+					    enum bpf_attach_type second)
+{
+	struct test_sockmap_skb_verdict_attach *skel;
+	int err, map, verdict;
+
+	skel = test_sockmap_skb_verdict_attach__open_and_load();
+	if (!ASSERT_OK_PTR(skel, "open_and_load"))
+		return;
+
+	verdict = bpf_program__fd(skel->progs.prog_skb_verdict);
+	map = bpf_map__fd(skel->maps.sock_map);
+
+	err = bpf_prog_attach(verdict, map, first, 0);
+	if (!ASSERT_OK(err, "bpf_prog_attach"))
+		goto out;
+
+	err = bpf_prog_attach(verdict, map, second, 0);
+	ASSERT_EQ(err, -EBUSY, "prog_attach_fail");
+
+	err = bpf_prog_detach2(verdict, map, first);
+	if (!ASSERT_OK(err, "bpf_prog_detach2"))
+		goto out;
+out:
+	test_sockmap_skb_verdict_attach__destroy(skel);
+}
+
+static __u32 query_prog_id(int prog_fd)
+{
+	struct bpf_prog_info info = {};
+	__u32 info_len = sizeof(info);
+	int err;
+
+	err = bpf_obj_get_info_by_fd(prog_fd, &info, &info_len);
+	if (!ASSERT_OK(err, "bpf_obj_get_info_by_fd") ||
+	    !ASSERT_EQ(info_len, sizeof(info), "bpf_obj_get_info_by_fd"))
+		return 0;
+
+	return info.id;
+}
+
+static void test_sockmap_progs_query(enum bpf_attach_type attach_type)
+{
+	struct test_sockmap_progs_query *skel;
+	int err, map_fd, verdict_fd;
+	__u32 attach_flags = 0;
+	__u32 prog_ids[3] = {};
+	__u32 prog_cnt = 3;
+
+	skel = test_sockmap_progs_query__open_and_load();
+	if (!ASSERT_OK_PTR(skel, "test_sockmap_progs_query__open_and_load"))
+		return;
+
+	map_fd = bpf_map__fd(skel->maps.sock_map);
+
+	if (attach_type == BPF_SK_MSG_VERDICT)
+		verdict_fd = bpf_program__fd(skel->progs.prog_skmsg_verdict);
+	else
+		verdict_fd = bpf_program__fd(skel->progs.prog_skb_verdict);
+
+	err = bpf_prog_query(map_fd, attach_type, 0 /* query flags */,
+			     &attach_flags, prog_ids, &prog_cnt);
+	ASSERT_OK(err, "bpf_prog_query failed");
+	ASSERT_EQ(attach_flags,  0, "wrong attach_flags on query");
+	ASSERT_EQ(prog_cnt, 0, "wrong program count on query");
+
+	err = bpf_prog_attach(verdict_fd, map_fd, attach_type, 0);
+	if (!ASSERT_OK(err, "bpf_prog_attach failed"))
+		goto out;
+
+	prog_cnt = 1;
+	err = bpf_prog_query(map_fd, attach_type, 0 /* query flags */,
+			     &attach_flags, prog_ids, &prog_cnt);
+	ASSERT_OK(err, "bpf_prog_query failed");
+	ASSERT_EQ(attach_flags, 0, "wrong attach_flags on query");
+	ASSERT_EQ(prog_cnt, 1, "wrong program count on query");
+	ASSERT_EQ(prog_ids[0], query_prog_id(verdict_fd),
+		  "wrong prog_ids on query");
+
+	bpf_prog_detach2(verdict_fd, map_fd, attach_type);
+out:
+	test_sockmap_progs_query__destroy(skel);
+}
+
+void test_sockmap_basic(void)
+{
+	if (test__start_subtest("sockmap create_update_free"))
+		test_sockmap_create_update_free(BPF_MAP_TYPE_SOCKMAP);
+	if (test__start_subtest("sockhash create_update_free"))
+		test_sockmap_create_update_free(BPF_MAP_TYPE_SOCKHASH);
+	if (test__start_subtest("sockmap sk_msg load helpers"))
+		test_skmsg_helpers(BPF_MAP_TYPE_SOCKMAP);
+	if (test__start_subtest("sockhash sk_msg load helpers"))
+		test_skmsg_helpers(BPF_MAP_TYPE_SOCKHASH);
+	if (test__start_subtest("sockmap update"))
+		test_sockmap_update(BPF_MAP_TYPE_SOCKMAP);
+	if (test__start_subtest("sockhash update"))
+		test_sockmap_update(BPF_MAP_TYPE_SOCKHASH);
+	if (test__start_subtest("sockmap update in unsafe context"))
+		test_sockmap_invalid_update();
+	if (test__start_subtest("sockmap copy"))
+		test_sockmap_copy(BPF_MAP_TYPE_SOCKMAP);
+	if (test__start_subtest("sockhash copy"))
+		test_sockmap_copy(BPF_MAP_TYPE_SOCKHASH);
+	if (test__start_subtest("sockmap skb_verdict attach")) {
+		test_sockmap_skb_verdict_attach(BPF_SK_SKB_VERDICT,
+						BPF_SK_SKB_STREAM_VERDICT);
+		test_sockmap_skb_verdict_attach(BPF_SK_SKB_STREAM_VERDICT,
+						BPF_SK_SKB_VERDICT);
+	}
+	if (test__start_subtest("sockmap msg_verdict progs query"))
+		test_sockmap_progs_query(BPF_SK_MSG_VERDICT);
+	if (test__start_subtest("sockmap stream_parser progs query"))
+		test_sockmap_progs_query(BPF_SK_SKB_STREAM_PARSER);
+	if (test__start_subtest("sockmap stream_verdict progs query"))
+		test_sockmap_progs_query(BPF_SK_SKB_STREAM_VERDICT);
+	if (test__start_subtest("sockmap skb_verdict progs query"))
+		test_sockmap_progs_query(BPF_SK_SKB_VERDICT);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/sockmap_ktls.c b/tools/testing/selftests/bpf/prog_tests/sockmap_ktls.c
new file mode 100644
index 000000000..2d0796314
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/sockmap_ktls.c
@@ -0,0 +1,171 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (c) 2020 Cloudflare
+/*
+ * Tests for sockmap/sockhash holding kTLS sockets.
+ */
+
+#include <netinet/tcp.h>
+#include "test_progs.h"
+
+#define MAX_TEST_NAME 80
+#define TCP_ULP 31
+
+static int tcp_server(int family)
+{
+	int err, s;
+
+	s = socket(family, SOCK_STREAM, 0);
+	if (!ASSERT_GE(s, 0, "socket"))
+		return -1;
+
+	err = listen(s, SOMAXCONN);
+	if (!ASSERT_OK(err, "listen"))
+		return -1;
+
+	return s;
+}
+
+static int disconnect(int fd)
+{
+	struct sockaddr unspec = { AF_UNSPEC };
+
+	return connect(fd, &unspec, sizeof(unspec));
+}
+
+/* Disconnect (unhash) a kTLS socket after removing it from sockmap. */
+static void test_sockmap_ktls_disconnect_after_delete(int family, int map)
+{
+	struct sockaddr_storage addr = {0};
+	socklen_t len = sizeof(addr);
+	int err, cli, srv, zero = 0;
+
+	srv = tcp_server(family);
+	if (srv == -1)
+		return;
+
+	err = getsockname(srv, (struct sockaddr *)&addr, &len);
+	if (!ASSERT_OK(err, "getsockopt"))
+		goto close_srv;
+
+	cli = socket(family, SOCK_STREAM, 0);
+	if (!ASSERT_GE(cli, 0, "socket"))
+		goto close_srv;
+
+	err = connect(cli, (struct sockaddr *)&addr, len);
+	if (!ASSERT_OK(err, "connect"))
+		goto close_cli;
+
+	err = bpf_map_update_elem(map, &zero, &cli, 0);
+	if (!ASSERT_OK(err, "bpf_map_update_elem"))
+		goto close_cli;
+
+	err = setsockopt(cli, IPPROTO_TCP, TCP_ULP, "tls", strlen("tls"));
+	if (!ASSERT_OK(err, "setsockopt(TCP_ULP)"))
+		goto close_cli;
+
+	err = bpf_map_delete_elem(map, &zero);
+	if (!ASSERT_OK(err, "bpf_map_delete_elem"))
+		goto close_cli;
+
+	err = disconnect(cli);
+	ASSERT_OK(err, "disconnect");
+
+close_cli:
+	close(cli);
+close_srv:
+	close(srv);
+}
+
+static void test_sockmap_ktls_update_fails_when_sock_has_ulp(int family, int map)
+{
+	struct sockaddr_storage addr = {};
+	socklen_t len = sizeof(addr);
+	struct sockaddr_in6 *v6;
+	struct sockaddr_in *v4;
+	int err, s, zero = 0;
+
+	switch (family) {
+	case AF_INET:
+		v4 = (struct sockaddr_in *)&addr;
+		v4->sin_family = AF_INET;
+		break;
+	case AF_INET6:
+		v6 = (struct sockaddr_in6 *)&addr;
+		v6->sin6_family = AF_INET6;
+		break;
+	default:
+		PRINT_FAIL("unsupported socket family %d", family);
+		return;
+	}
+
+	s = socket(family, SOCK_STREAM, 0);
+	if (!ASSERT_GE(s, 0, "socket"))
+		return;
+
+	err = bind(s, (struct sockaddr *)&addr, len);
+	if (!ASSERT_OK(err, "bind"))
+		goto close;
+
+	err = getsockname(s, (struct sockaddr *)&addr, &len);
+	if (!ASSERT_OK(err, "getsockname"))
+		goto close;
+
+	err = connect(s, (struct sockaddr *)&addr, len);
+	if (!ASSERT_OK(err, "connect"))
+		goto close;
+
+	/* save sk->sk_prot and set it to tls_prots */
+	err = setsockopt(s, IPPROTO_TCP, TCP_ULP, "tls", strlen("tls"));
+	if (!ASSERT_OK(err, "setsockopt(TCP_ULP)"))
+		goto close;
+
+	/* sockmap update should not affect saved sk_prot */
+	err = bpf_map_update_elem(map, &zero, &s, BPF_ANY);
+	if (!ASSERT_ERR(err, "sockmap update elem"))
+		goto close;
+
+	/* call sk->sk_prot->setsockopt to dispatch to saved sk_prot */
+	err = setsockopt(s, IPPROTO_TCP, TCP_NODELAY, &zero, sizeof(zero));
+	ASSERT_OK(err, "setsockopt(TCP_NODELAY)");
+
+close:
+	close(s);
+}
+
+static const char *fmt_test_name(const char *subtest_name, int family,
+				 enum bpf_map_type map_type)
+{
+	const char *map_type_str = BPF_MAP_TYPE_SOCKMAP ? "SOCKMAP" : "SOCKHASH";
+	const char *family_str = AF_INET ? "IPv4" : "IPv6";
+	static char test_name[MAX_TEST_NAME];
+
+	snprintf(test_name, MAX_TEST_NAME,
+		 "sockmap_ktls %s %s %s",
+		 subtest_name, family_str, map_type_str);
+
+	return test_name;
+}
+
+static void run_tests(int family, enum bpf_map_type map_type)
+{
+	int map;
+
+	map = bpf_map_create(map_type, NULL, sizeof(int), sizeof(int), 1, NULL);
+	if (!ASSERT_GE(map, 0, "bpf_map_create"))
+		return;
+
+	if (test__start_subtest(fmt_test_name("disconnect_after_delete", family, map_type)))
+		test_sockmap_ktls_disconnect_after_delete(family, map);
+	if (test__start_subtest(fmt_test_name("update_fails_when_sock_has_ulp", family, map_type)))
+		test_sockmap_ktls_update_fails_when_sock_has_ulp(family, map);
+
+	close(map);
+}
+
+void test_sockmap_ktls(void)
+{
+	run_tests(AF_INET, BPF_MAP_TYPE_SOCKMAP);
+	run_tests(AF_INET, BPF_MAP_TYPE_SOCKHASH);
+	run_tests(AF_INET6, BPF_MAP_TYPE_SOCKMAP);
+	run_tests(AF_INET6, BPF_MAP_TYPE_SOCKHASH);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/sockmap_listen.c b/tools/testing/selftests/bpf/prog_tests/sockmap_listen.c
new file mode 100644
index 000000000..2cf0c7a3f
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/sockmap_listen.c
@@ -0,0 +1,2026 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (c) 2020 Cloudflare
+/*
+ * Test suite for SOCKMAP/SOCKHASH holding listening sockets.
+ * Covers:
+ *  1. BPF map operations - bpf_map_{update,lookup delete}_elem
+ *  2. BPF redirect helpers - bpf_{sk,msg}_redirect_map
+ *  3. BPF reuseport helper - bpf_sk_select_reuseport
+ */
+
+#include <linux/compiler.h>
+#include <errno.h>
+#include <error.h>
+#include <limits.h>
+#include <netinet/in.h>
+#include <pthread.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/select.h>
+#include <unistd.h>
+
+#include <bpf/bpf.h>
+#include <bpf/libbpf.h>
+
+#include "bpf_util.h"
+#include "test_progs.h"
+#include "test_sockmap_listen.skel.h"
+
+#define IO_TIMEOUT_SEC 30
+#define MAX_STRERR_LEN 256
+#define MAX_TEST_NAME 80
+
+#define _FAIL(errnum, fmt...)                                                  \
+	({                                                                     \
+		error_at_line(0, (errnum), __func__, __LINE__, fmt);           \
+		CHECK_FAIL(true);                                              \
+	})
+#define FAIL(fmt...) _FAIL(0, fmt)
+#define FAIL_ERRNO(fmt...) _FAIL(errno, fmt)
+#define FAIL_LIBBPF(err, msg)                                                  \
+	({                                                                     \
+		char __buf[MAX_STRERR_LEN];                                    \
+		libbpf_strerror((err), __buf, sizeof(__buf));                  \
+		FAIL("%s: %s", (msg), __buf);                                  \
+	})
+
+/* Wrappers that fail the test on error and report it. */
+
+#define xaccept_nonblock(fd, addr, len)                                        \
+	({                                                                     \
+		int __ret =                                                    \
+			accept_timeout((fd), (addr), (len), IO_TIMEOUT_SEC);   \
+		if (__ret == -1)                                               \
+			FAIL_ERRNO("accept");                                  \
+		__ret;                                                         \
+	})
+
+#define xbind(fd, addr, len)                                                   \
+	({                                                                     \
+		int __ret = bind((fd), (addr), (len));                         \
+		if (__ret == -1)                                               \
+			FAIL_ERRNO("bind");                                    \
+		__ret;                                                         \
+	})
+
+#define xclose(fd)                                                             \
+	({                                                                     \
+		int __ret = close((fd));                                       \
+		if (__ret == -1)                                               \
+			FAIL_ERRNO("close");                                   \
+		__ret;                                                         \
+	})
+
+#define xconnect(fd, addr, len)                                                \
+	({                                                                     \
+		int __ret = connect((fd), (addr), (len));                      \
+		if (__ret == -1)                                               \
+			FAIL_ERRNO("connect");                                 \
+		__ret;                                                         \
+	})
+
+#define xgetsockname(fd, addr, len)                                            \
+	({                                                                     \
+		int __ret = getsockname((fd), (addr), (len));                  \
+		if (__ret == -1)                                               \
+			FAIL_ERRNO("getsockname");                             \
+		__ret;                                                         \
+	})
+
+#define xgetsockopt(fd, level, name, val, len)                                 \
+	({                                                                     \
+		int __ret = getsockopt((fd), (level), (name), (val), (len));   \
+		if (__ret == -1)                                               \
+			FAIL_ERRNO("getsockopt(" #name ")");                   \
+		__ret;                                                         \
+	})
+
+#define xlisten(fd, backlog)                                                   \
+	({                                                                     \
+		int __ret = listen((fd), (backlog));                           \
+		if (__ret == -1)                                               \
+			FAIL_ERRNO("listen");                                  \
+		__ret;                                                         \
+	})
+
+#define xsetsockopt(fd, level, name, val, len)                                 \
+	({                                                                     \
+		int __ret = setsockopt((fd), (level), (name), (val), (len));   \
+		if (__ret == -1)                                               \
+			FAIL_ERRNO("setsockopt(" #name ")");                   \
+		__ret;                                                         \
+	})
+
+#define xsend(fd, buf, len, flags)                                             \
+	({                                                                     \
+		ssize_t __ret = send((fd), (buf), (len), (flags));             \
+		if (__ret == -1)                                               \
+			FAIL_ERRNO("send");                                    \
+		__ret;                                                         \
+	})
+
+#define xrecv_nonblock(fd, buf, len, flags)                                    \
+	({                                                                     \
+		ssize_t __ret = recv_timeout((fd), (buf), (len), (flags),      \
+					     IO_TIMEOUT_SEC);                  \
+		if (__ret == -1)                                               \
+			FAIL_ERRNO("recv");                                    \
+		__ret;                                                         \
+	})
+
+#define xsocket(family, sotype, flags)                                         \
+	({                                                                     \
+		int __ret = socket(family, sotype, flags);                     \
+		if (__ret == -1)                                               \
+			FAIL_ERRNO("socket");                                  \
+		__ret;                                                         \
+	})
+
+#define xbpf_map_delete_elem(fd, key)                                          \
+	({                                                                     \
+		int __ret = bpf_map_delete_elem((fd), (key));                  \
+		if (__ret < 0)                                               \
+			FAIL_ERRNO("map_delete");                              \
+		__ret;                                                         \
+	})
+
+#define xbpf_map_lookup_elem(fd, key, val)                                     \
+	({                                                                     \
+		int __ret = bpf_map_lookup_elem((fd), (key), (val));           \
+		if (__ret < 0)                                               \
+			FAIL_ERRNO("map_lookup");                              \
+		__ret;                                                         \
+	})
+
+#define xbpf_map_update_elem(fd, key, val, flags)                              \
+	({                                                                     \
+		int __ret = bpf_map_update_elem((fd), (key), (val), (flags));  \
+		if (__ret < 0)                                               \
+			FAIL_ERRNO("map_update");                              \
+		__ret;                                                         \
+	})
+
+#define xbpf_prog_attach(prog, target, type, flags)                            \
+	({                                                                     \
+		int __ret =                                                    \
+			bpf_prog_attach((prog), (target), (type), (flags));    \
+		if (__ret < 0)                                               \
+			FAIL_ERRNO("prog_attach(" #type ")");                  \
+		__ret;                                                         \
+	})
+
+#define xbpf_prog_detach2(prog, target, type)                                  \
+	({                                                                     \
+		int __ret = bpf_prog_detach2((prog), (target), (type));        \
+		if (__ret < 0)                                               \
+			FAIL_ERRNO("prog_detach2(" #type ")");                 \
+		__ret;                                                         \
+	})
+
+#define xpthread_create(thread, attr, func, arg)                               \
+	({                                                                     \
+		int __ret = pthread_create((thread), (attr), (func), (arg));   \
+		errno = __ret;                                                 \
+		if (__ret)                                                     \
+			FAIL_ERRNO("pthread_create");                          \
+		__ret;                                                         \
+	})
+
+#define xpthread_join(thread, retval)                                          \
+	({                                                                     \
+		int __ret = pthread_join((thread), (retval));                  \
+		errno = __ret;                                                 \
+		if (__ret)                                                     \
+			FAIL_ERRNO("pthread_join");                            \
+		__ret;                                                         \
+	})
+
+static int poll_read(int fd, unsigned int timeout_sec)
+{
+	struct timeval timeout = { .tv_sec = timeout_sec };
+	fd_set rfds;
+	int r;
+
+	FD_ZERO(&rfds);
+	FD_SET(fd, &rfds);
+
+	r = select(fd + 1, &rfds, NULL, NULL, &timeout);
+	if (r == 0)
+		errno = ETIME;
+
+	return r == 1 ? 0 : -1;
+}
+
+static int accept_timeout(int fd, struct sockaddr *addr, socklen_t *len,
+			  unsigned int timeout_sec)
+{
+	if (poll_read(fd, timeout_sec))
+		return -1;
+
+	return accept(fd, addr, len);
+}
+
+static int recv_timeout(int fd, void *buf, size_t len, int flags,
+			unsigned int timeout_sec)
+{
+	if (poll_read(fd, timeout_sec))
+		return -1;
+
+	return recv(fd, buf, len, flags);
+}
+
+static void init_addr_loopback4(struct sockaddr_storage *ss, socklen_t *len)
+{
+	struct sockaddr_in *addr4 = memset(ss, 0, sizeof(*ss));
+
+	addr4->sin_family = AF_INET;
+	addr4->sin_port = 0;
+	addr4->sin_addr.s_addr = htonl(INADDR_LOOPBACK);
+	*len = sizeof(*addr4);
+}
+
+static void init_addr_loopback6(struct sockaddr_storage *ss, socklen_t *len)
+{
+	struct sockaddr_in6 *addr6 = memset(ss, 0, sizeof(*ss));
+
+	addr6->sin6_family = AF_INET6;
+	addr6->sin6_port = 0;
+	addr6->sin6_addr = in6addr_loopback;
+	*len = sizeof(*addr6);
+}
+
+static void init_addr_loopback(int family, struct sockaddr_storage *ss,
+			       socklen_t *len)
+{
+	switch (family) {
+	case AF_INET:
+		init_addr_loopback4(ss, len);
+		return;
+	case AF_INET6:
+		init_addr_loopback6(ss, len);
+		return;
+	default:
+		FAIL("unsupported address family %d", family);
+	}
+}
+
+static inline struct sockaddr *sockaddr(struct sockaddr_storage *ss)
+{
+	return (struct sockaddr *)ss;
+}
+
+static int enable_reuseport(int s, int progfd)
+{
+	int err, one = 1;
+
+	err = xsetsockopt(s, SOL_SOCKET, SO_REUSEPORT, &one, sizeof(one));
+	if (err)
+		return -1;
+	err = xsetsockopt(s, SOL_SOCKET, SO_ATTACH_REUSEPORT_EBPF, &progfd,
+			  sizeof(progfd));
+	if (err)
+		return -1;
+
+	return 0;
+}
+
+static int socket_loopback_reuseport(int family, int sotype, int progfd)
+{
+	struct sockaddr_storage addr;
+	socklen_t len;
+	int err, s;
+
+	init_addr_loopback(family, &addr, &len);
+
+	s = xsocket(family, sotype, 0);
+	if (s == -1)
+		return -1;
+
+	if (progfd >= 0)
+		enable_reuseport(s, progfd);
+
+	err = xbind(s, sockaddr(&addr), len);
+	if (err)
+		goto close;
+
+	if (sotype & SOCK_DGRAM)
+		return s;
+
+	err = xlisten(s, SOMAXCONN);
+	if (err)
+		goto close;
+
+	return s;
+close:
+	xclose(s);
+	return -1;
+}
+
+static int socket_loopback(int family, int sotype)
+{
+	return socket_loopback_reuseport(family, sotype, -1);
+}
+
+static void test_insert_invalid(int family, int sotype, int mapfd)
+{
+	u32 key = 0;
+	u64 value;
+	int err;
+
+	value = -1;
+	err = bpf_map_update_elem(mapfd, &key, &value, BPF_NOEXIST);
+	if (!err || errno != EINVAL)
+		FAIL_ERRNO("map_update: expected EINVAL");
+
+	value = INT_MAX;
+	err = bpf_map_update_elem(mapfd, &key, &value, BPF_NOEXIST);
+	if (!err || errno != EBADF)
+		FAIL_ERRNO("map_update: expected EBADF");
+}
+
+static void test_insert_opened(int family, int sotype, int mapfd)
+{
+	u32 key = 0;
+	u64 value;
+	int err, s;
+
+	s = xsocket(family, sotype, 0);
+	if (s == -1)
+		return;
+
+	errno = 0;
+	value = s;
+	err = bpf_map_update_elem(mapfd, &key, &value, BPF_NOEXIST);
+	if (sotype == SOCK_STREAM) {
+		if (!err || errno != EOPNOTSUPP)
+			FAIL_ERRNO("map_update: expected EOPNOTSUPP");
+	} else if (err)
+		FAIL_ERRNO("map_update: expected success");
+	xclose(s);
+}
+
+static void test_insert_bound(int family, int sotype, int mapfd)
+{
+	struct sockaddr_storage addr;
+	socklen_t len;
+	u32 key = 0;
+	u64 value;
+	int err, s;
+
+	init_addr_loopback(family, &addr, &len);
+
+	s = xsocket(family, sotype, 0);
+	if (s == -1)
+		return;
+
+	err = xbind(s, sockaddr(&addr), len);
+	if (err)
+		goto close;
+
+	errno = 0;
+	value = s;
+	err = bpf_map_update_elem(mapfd, &key, &value, BPF_NOEXIST);
+	if (!err || errno != EOPNOTSUPP)
+		FAIL_ERRNO("map_update: expected EOPNOTSUPP");
+close:
+	xclose(s);
+}
+
+static void test_insert(int family, int sotype, int mapfd)
+{
+	u64 value;
+	u32 key;
+	int s;
+
+	s = socket_loopback(family, sotype);
+	if (s < 0)
+		return;
+
+	key = 0;
+	value = s;
+	xbpf_map_update_elem(mapfd, &key, &value, BPF_NOEXIST);
+	xclose(s);
+}
+
+static void test_delete_after_insert(int family, int sotype, int mapfd)
+{
+	u64 value;
+	u32 key;
+	int s;
+
+	s = socket_loopback(family, sotype);
+	if (s < 0)
+		return;
+
+	key = 0;
+	value = s;
+	xbpf_map_update_elem(mapfd, &key, &value, BPF_NOEXIST);
+	xbpf_map_delete_elem(mapfd, &key);
+	xclose(s);
+}
+
+static void test_delete_after_close(int family, int sotype, int mapfd)
+{
+	int err, s;
+	u64 value;
+	u32 key;
+
+	s = socket_loopback(family, sotype);
+	if (s < 0)
+		return;
+
+	key = 0;
+	value = s;
+	xbpf_map_update_elem(mapfd, &key, &value, BPF_NOEXIST);
+
+	xclose(s);
+
+	errno = 0;
+	err = bpf_map_delete_elem(mapfd, &key);
+	if (!err || (errno != EINVAL && errno != ENOENT))
+		/* SOCKMAP and SOCKHASH return different error codes */
+		FAIL_ERRNO("map_delete: expected EINVAL/EINVAL");
+}
+
+static void test_lookup_after_insert(int family, int sotype, int mapfd)
+{
+	u64 cookie, value;
+	socklen_t len;
+	u32 key;
+	int s;
+
+	s = socket_loopback(family, sotype);
+	if (s < 0)
+		return;
+
+	key = 0;
+	value = s;
+	xbpf_map_update_elem(mapfd, &key, &value, BPF_NOEXIST);
+
+	len = sizeof(cookie);
+	xgetsockopt(s, SOL_SOCKET, SO_COOKIE, &cookie, &len);
+
+	xbpf_map_lookup_elem(mapfd, &key, &value);
+
+	if (value != cookie) {
+		FAIL("map_lookup: have %#llx, want %#llx",
+		     (unsigned long long)value, (unsigned long long)cookie);
+	}
+
+	xclose(s);
+}
+
+static void test_lookup_after_delete(int family, int sotype, int mapfd)
+{
+	int err, s;
+	u64 value;
+	u32 key;
+
+	s = socket_loopback(family, sotype);
+	if (s < 0)
+		return;
+
+	key = 0;
+	value = s;
+	xbpf_map_update_elem(mapfd, &key, &value, BPF_NOEXIST);
+	xbpf_map_delete_elem(mapfd, &key);
+
+	errno = 0;
+	err = bpf_map_lookup_elem(mapfd, &key, &value);
+	if (!err || errno != ENOENT)
+		FAIL_ERRNO("map_lookup: expected ENOENT");
+
+	xclose(s);
+}
+
+static void test_lookup_32_bit_value(int family, int sotype, int mapfd)
+{
+	u32 key, value32;
+	int err, s;
+
+	s = socket_loopback(family, sotype);
+	if (s < 0)
+		return;
+
+	mapfd = bpf_map_create(BPF_MAP_TYPE_SOCKMAP, NULL, sizeof(key),
+			       sizeof(value32), 1, NULL);
+	if (mapfd < 0) {
+		FAIL_ERRNO("map_create");
+		goto close;
+	}
+
+	key = 0;
+	value32 = s;
+	xbpf_map_update_elem(mapfd, &key, &value32, BPF_NOEXIST);
+
+	errno = 0;
+	err = bpf_map_lookup_elem(mapfd, &key, &value32);
+	if (!err || errno != ENOSPC)
+		FAIL_ERRNO("map_lookup: expected ENOSPC");
+
+	xclose(mapfd);
+close:
+	xclose(s);
+}
+
+static void test_update_existing(int family, int sotype, int mapfd)
+{
+	int s1, s2;
+	u64 value;
+	u32 key;
+
+	s1 = socket_loopback(family, sotype);
+	if (s1 < 0)
+		return;
+
+	s2 = socket_loopback(family, sotype);
+	if (s2 < 0)
+		goto close_s1;
+
+	key = 0;
+	value = s1;
+	xbpf_map_update_elem(mapfd, &key, &value, BPF_NOEXIST);
+
+	value = s2;
+	xbpf_map_update_elem(mapfd, &key, &value, BPF_EXIST);
+	xclose(s2);
+close_s1:
+	xclose(s1);
+}
+
+/* Exercise the code path where we destroy child sockets that never
+ * got accept()'ed, aka orphans, when parent socket gets closed.
+ */
+static void test_destroy_orphan_child(int family, int sotype, int mapfd)
+{
+	struct sockaddr_storage addr;
+	socklen_t len;
+	int err, s, c;
+	u64 value;
+	u32 key;
+
+	s = socket_loopback(family, sotype);
+	if (s < 0)
+		return;
+
+	len = sizeof(addr);
+	err = xgetsockname(s, sockaddr(&addr), &len);
+	if (err)
+		goto close_srv;
+
+	key = 0;
+	value = s;
+	xbpf_map_update_elem(mapfd, &key, &value, BPF_NOEXIST);
+
+	c = xsocket(family, sotype, 0);
+	if (c == -1)
+		goto close_srv;
+
+	xconnect(c, sockaddr(&addr), len);
+	xclose(c);
+close_srv:
+	xclose(s);
+}
+
+/* Perform a passive open after removing listening socket from SOCKMAP
+ * to ensure that callbacks get restored properly.
+ */
+static void test_clone_after_delete(int family, int sotype, int mapfd)
+{
+	struct sockaddr_storage addr;
+	socklen_t len;
+	int err, s, c;
+	u64 value;
+	u32 key;
+
+	s = socket_loopback(family, sotype);
+	if (s < 0)
+		return;
+
+	len = sizeof(addr);
+	err = xgetsockname(s, sockaddr(&addr), &len);
+	if (err)
+		goto close_srv;
+
+	key = 0;
+	value = s;
+	xbpf_map_update_elem(mapfd, &key, &value, BPF_NOEXIST);
+	xbpf_map_delete_elem(mapfd, &key);
+
+	c = xsocket(family, sotype, 0);
+	if (c < 0)
+		goto close_srv;
+
+	xconnect(c, sockaddr(&addr), len);
+	xclose(c);
+close_srv:
+	xclose(s);
+}
+
+/* Check that child socket that got created while parent was in a
+ * SOCKMAP, but got accept()'ed only after the parent has been removed
+ * from SOCKMAP, gets cloned without parent psock state or callbacks.
+ */
+static void test_accept_after_delete(int family, int sotype, int mapfd)
+{
+	struct sockaddr_storage addr;
+	const u32 zero = 0;
+	int err, s, c, p;
+	socklen_t len;
+	u64 value;
+
+	s = socket_loopback(family, sotype | SOCK_NONBLOCK);
+	if (s == -1)
+		return;
+
+	len = sizeof(addr);
+	err = xgetsockname(s, sockaddr(&addr), &len);
+	if (err)
+		goto close_srv;
+
+	value = s;
+	err = xbpf_map_update_elem(mapfd, &zero, &value, BPF_NOEXIST);
+	if (err)
+		goto close_srv;
+
+	c = xsocket(family, sotype, 0);
+	if (c == -1)
+		goto close_srv;
+
+	/* Create child while parent is in sockmap */
+	err = xconnect(c, sockaddr(&addr), len);
+	if (err)
+		goto close_cli;
+
+	/* Remove parent from sockmap */
+	err = xbpf_map_delete_elem(mapfd, &zero);
+	if (err)
+		goto close_cli;
+
+	p = xaccept_nonblock(s, NULL, NULL);
+	if (p == -1)
+		goto close_cli;
+
+	/* Check that child sk_user_data is not set */
+	value = p;
+	xbpf_map_update_elem(mapfd, &zero, &value, BPF_NOEXIST);
+
+	xclose(p);
+close_cli:
+	xclose(c);
+close_srv:
+	xclose(s);
+}
+
+/* Check that child socket that got created and accepted while parent
+ * was in a SOCKMAP is cloned without parent psock state or callbacks.
+ */
+static void test_accept_before_delete(int family, int sotype, int mapfd)
+{
+	struct sockaddr_storage addr;
+	const u32 zero = 0, one = 1;
+	int err, s, c, p;
+	socklen_t len;
+	u64 value;
+
+	s = socket_loopback(family, sotype | SOCK_NONBLOCK);
+	if (s == -1)
+		return;
+
+	len = sizeof(addr);
+	err = xgetsockname(s, sockaddr(&addr), &len);
+	if (err)
+		goto close_srv;
+
+	value = s;
+	err = xbpf_map_update_elem(mapfd, &zero, &value, BPF_NOEXIST);
+	if (err)
+		goto close_srv;
+
+	c = xsocket(family, sotype, 0);
+	if (c == -1)
+		goto close_srv;
+
+	/* Create & accept child while parent is in sockmap */
+	err = xconnect(c, sockaddr(&addr), len);
+	if (err)
+		goto close_cli;
+
+	p = xaccept_nonblock(s, NULL, NULL);
+	if (p == -1)
+		goto close_cli;
+
+	/* Check that child sk_user_data is not set */
+	value = p;
+	xbpf_map_update_elem(mapfd, &one, &value, BPF_NOEXIST);
+
+	xclose(p);
+close_cli:
+	xclose(c);
+close_srv:
+	xclose(s);
+}
+
+struct connect_accept_ctx {
+	int sockfd;
+	unsigned int done;
+	unsigned int nr_iter;
+};
+
+static bool is_thread_done(struct connect_accept_ctx *ctx)
+{
+	return READ_ONCE(ctx->done);
+}
+
+static void *connect_accept_thread(void *arg)
+{
+	struct connect_accept_ctx *ctx = arg;
+	struct sockaddr_storage addr;
+	int family, socktype;
+	socklen_t len;
+	int err, i, s;
+
+	s = ctx->sockfd;
+
+	len = sizeof(addr);
+	err = xgetsockname(s, sockaddr(&addr), &len);
+	if (err)
+		goto done;
+
+	len = sizeof(family);
+	err = xgetsockopt(s, SOL_SOCKET, SO_DOMAIN, &family, &len);
+	if (err)
+		goto done;
+
+	len = sizeof(socktype);
+	err = xgetsockopt(s, SOL_SOCKET, SO_TYPE, &socktype, &len);
+	if (err)
+		goto done;
+
+	for (i = 0; i < ctx->nr_iter; i++) {
+		int c, p;
+
+		c = xsocket(family, socktype, 0);
+		if (c < 0)
+			break;
+
+		err = xconnect(c, (struct sockaddr *)&addr, sizeof(addr));
+		if (err) {
+			xclose(c);
+			break;
+		}
+
+		p = xaccept_nonblock(s, NULL, NULL);
+		if (p < 0) {
+			xclose(c);
+			break;
+		}
+
+		xclose(p);
+		xclose(c);
+	}
+done:
+	WRITE_ONCE(ctx->done, 1);
+	return NULL;
+}
+
+static void test_syn_recv_insert_delete(int family, int sotype, int mapfd)
+{
+	struct connect_accept_ctx ctx = { 0 };
+	struct sockaddr_storage addr;
+	socklen_t len;
+	u32 zero = 0;
+	pthread_t t;
+	int err, s;
+	u64 value;
+
+	s = socket_loopback(family, sotype | SOCK_NONBLOCK);
+	if (s < 0)
+		return;
+
+	len = sizeof(addr);
+	err = xgetsockname(s, sockaddr(&addr), &len);
+	if (err)
+		goto close;
+
+	ctx.sockfd = s;
+	ctx.nr_iter = 1000;
+
+	err = xpthread_create(&t, NULL, connect_accept_thread, &ctx);
+	if (err)
+		goto close;
+
+	value = s;
+	while (!is_thread_done(&ctx)) {
+		err = xbpf_map_update_elem(mapfd, &zero, &value, BPF_NOEXIST);
+		if (err)
+			break;
+
+		err = xbpf_map_delete_elem(mapfd, &zero);
+		if (err)
+			break;
+	}
+
+	xpthread_join(t, NULL);
+close:
+	xclose(s);
+}
+
+static void *listen_thread(void *arg)
+{
+	struct sockaddr unspec = { AF_UNSPEC };
+	struct connect_accept_ctx *ctx = arg;
+	int err, i, s;
+
+	s = ctx->sockfd;
+
+	for (i = 0; i < ctx->nr_iter; i++) {
+		err = xlisten(s, 1);
+		if (err)
+			break;
+		err = xconnect(s, &unspec, sizeof(unspec));
+		if (err)
+			break;
+	}
+
+	WRITE_ONCE(ctx->done, 1);
+	return NULL;
+}
+
+static void test_race_insert_listen(int family, int socktype, int mapfd)
+{
+	struct connect_accept_ctx ctx = { 0 };
+	const u32 zero = 0;
+	const int one = 1;
+	pthread_t t;
+	int err, s;
+	u64 value;
+
+	s = xsocket(family, socktype, 0);
+	if (s < 0)
+		return;
+
+	err = xsetsockopt(s, SOL_SOCKET, SO_REUSEADDR, &one, sizeof(one));
+	if (err)
+		goto close;
+
+	ctx.sockfd = s;
+	ctx.nr_iter = 10000;
+
+	err = pthread_create(&t, NULL, listen_thread, &ctx);
+	if (err)
+		goto close;
+
+	value = s;
+	while (!is_thread_done(&ctx)) {
+		err = bpf_map_update_elem(mapfd, &zero, &value, BPF_NOEXIST);
+		/* Expecting EOPNOTSUPP before listen() */
+		if (err && errno != EOPNOTSUPP) {
+			FAIL_ERRNO("map_update");
+			break;
+		}
+
+		err = bpf_map_delete_elem(mapfd, &zero);
+		/* Expecting no entry after unhash on connect(AF_UNSPEC) */
+		if (err && errno != EINVAL && errno != ENOENT) {
+			FAIL_ERRNO("map_delete");
+			break;
+		}
+	}
+
+	xpthread_join(t, NULL);
+close:
+	xclose(s);
+}
+
+static void zero_verdict_count(int mapfd)
+{
+	unsigned int zero = 0;
+	int key;
+
+	key = SK_DROP;
+	xbpf_map_update_elem(mapfd, &key, &zero, BPF_ANY);
+	key = SK_PASS;
+	xbpf_map_update_elem(mapfd, &key, &zero, BPF_ANY);
+}
+
+enum redir_mode {
+	REDIR_INGRESS,
+	REDIR_EGRESS,
+};
+
+static const char *redir_mode_str(enum redir_mode mode)
+{
+	switch (mode) {
+	case REDIR_INGRESS:
+		return "ingress";
+	case REDIR_EGRESS:
+		return "egress";
+	default:
+		return "unknown";
+	}
+}
+
+static int add_to_sockmap(int sock_mapfd, int fd1, int fd2)
+{
+	u64 value;
+	u32 key;
+	int err;
+
+	key = 0;
+	value = fd1;
+	err = xbpf_map_update_elem(sock_mapfd, &key, &value, BPF_NOEXIST);
+	if (err)
+		return err;
+
+	key = 1;
+	value = fd2;
+	return xbpf_map_update_elem(sock_mapfd, &key, &value, BPF_NOEXIST);
+}
+
+static void redir_to_connected(int family, int sotype, int sock_mapfd,
+			       int verd_mapfd, enum redir_mode mode)
+{
+	const char *log_prefix = redir_mode_str(mode);
+	struct sockaddr_storage addr;
+	int s, c0, c1, p0, p1;
+	unsigned int pass;
+	socklen_t len;
+	int err, n;
+	u32 key;
+	char b;
+
+	zero_verdict_count(verd_mapfd);
+
+	s = socket_loopback(family, sotype | SOCK_NONBLOCK);
+	if (s < 0)
+		return;
+
+	len = sizeof(addr);
+	err = xgetsockname(s, sockaddr(&addr), &len);
+	if (err)
+		goto close_srv;
+
+	c0 = xsocket(family, sotype, 0);
+	if (c0 < 0)
+		goto close_srv;
+	err = xconnect(c0, sockaddr(&addr), len);
+	if (err)
+		goto close_cli0;
+
+	p0 = xaccept_nonblock(s, NULL, NULL);
+	if (p0 < 0)
+		goto close_cli0;
+
+	c1 = xsocket(family, sotype, 0);
+	if (c1 < 0)
+		goto close_peer0;
+	err = xconnect(c1, sockaddr(&addr), len);
+	if (err)
+		goto close_cli1;
+
+	p1 = xaccept_nonblock(s, NULL, NULL);
+	if (p1 < 0)
+		goto close_cli1;
+
+	err = add_to_sockmap(sock_mapfd, p0, p1);
+	if (err)
+		goto close_peer1;
+
+	n = write(mode == REDIR_INGRESS ? c1 : p1, "a", 1);
+	if (n < 0)
+		FAIL_ERRNO("%s: write", log_prefix);
+	if (n == 0)
+		FAIL("%s: incomplete write", log_prefix);
+	if (n < 1)
+		goto close_peer1;
+
+	key = SK_PASS;
+	err = xbpf_map_lookup_elem(verd_mapfd, &key, &pass);
+	if (err)
+		goto close_peer1;
+	if (pass != 1)
+		FAIL("%s: want pass count 1, have %d", log_prefix, pass);
+	n = recv_timeout(c0, &b, 1, 0, IO_TIMEOUT_SEC);
+	if (n < 0)
+		FAIL_ERRNO("%s: recv_timeout", log_prefix);
+	if (n == 0)
+		FAIL("%s: incomplete recv", log_prefix);
+
+close_peer1:
+	xclose(p1);
+close_cli1:
+	xclose(c1);
+close_peer0:
+	xclose(p0);
+close_cli0:
+	xclose(c0);
+close_srv:
+	xclose(s);
+}
+
+static void test_skb_redir_to_connected(struct test_sockmap_listen *skel,
+					struct bpf_map *inner_map, int family,
+					int sotype)
+{
+	int verdict = bpf_program__fd(skel->progs.prog_stream_verdict);
+	int parser = bpf_program__fd(skel->progs.prog_stream_parser);
+	int verdict_map = bpf_map__fd(skel->maps.verdict_map);
+	int sock_map = bpf_map__fd(inner_map);
+	int err;
+
+	err = xbpf_prog_attach(parser, sock_map, BPF_SK_SKB_STREAM_PARSER, 0);
+	if (err)
+		return;
+	err = xbpf_prog_attach(verdict, sock_map, BPF_SK_SKB_STREAM_VERDICT, 0);
+	if (err)
+		goto detach;
+
+	redir_to_connected(family, sotype, sock_map, verdict_map,
+			   REDIR_INGRESS);
+
+	xbpf_prog_detach2(verdict, sock_map, BPF_SK_SKB_STREAM_VERDICT);
+detach:
+	xbpf_prog_detach2(parser, sock_map, BPF_SK_SKB_STREAM_PARSER);
+}
+
+static void test_msg_redir_to_connected(struct test_sockmap_listen *skel,
+					struct bpf_map *inner_map, int family,
+					int sotype)
+{
+	int verdict = bpf_program__fd(skel->progs.prog_msg_verdict);
+	int verdict_map = bpf_map__fd(skel->maps.verdict_map);
+	int sock_map = bpf_map__fd(inner_map);
+	int err;
+
+	err = xbpf_prog_attach(verdict, sock_map, BPF_SK_MSG_VERDICT, 0);
+	if (err)
+		return;
+
+	redir_to_connected(family, sotype, sock_map, verdict_map, REDIR_EGRESS);
+
+	xbpf_prog_detach2(verdict, sock_map, BPF_SK_MSG_VERDICT);
+}
+
+static void redir_to_listening(int family, int sotype, int sock_mapfd,
+			       int verd_mapfd, enum redir_mode mode)
+{
+	const char *log_prefix = redir_mode_str(mode);
+	struct sockaddr_storage addr;
+	int s, c, p, err, n;
+	unsigned int drop;
+	socklen_t len;
+	u32 key;
+
+	zero_verdict_count(verd_mapfd);
+
+	s = socket_loopback(family, sotype | SOCK_NONBLOCK);
+	if (s < 0)
+		return;
+
+	len = sizeof(addr);
+	err = xgetsockname(s, sockaddr(&addr), &len);
+	if (err)
+		goto close_srv;
+
+	c = xsocket(family, sotype, 0);
+	if (c < 0)
+		goto close_srv;
+	err = xconnect(c, sockaddr(&addr), len);
+	if (err)
+		goto close_cli;
+
+	p = xaccept_nonblock(s, NULL, NULL);
+	if (p < 0)
+		goto close_cli;
+
+	err = add_to_sockmap(sock_mapfd, s, p);
+	if (err)
+		goto close_peer;
+
+	n = write(mode == REDIR_INGRESS ? c : p, "a", 1);
+	if (n < 0 && errno != EACCES)
+		FAIL_ERRNO("%s: write", log_prefix);
+	if (n == 0)
+		FAIL("%s: incomplete write", log_prefix);
+	if (n < 1)
+		goto close_peer;
+
+	key = SK_DROP;
+	err = xbpf_map_lookup_elem(verd_mapfd, &key, &drop);
+	if (err)
+		goto close_peer;
+	if (drop != 1)
+		FAIL("%s: want drop count 1, have %d", log_prefix, drop);
+
+close_peer:
+	xclose(p);
+close_cli:
+	xclose(c);
+close_srv:
+	xclose(s);
+}
+
+static void test_skb_redir_to_listening(struct test_sockmap_listen *skel,
+					struct bpf_map *inner_map, int family,
+					int sotype)
+{
+	int verdict = bpf_program__fd(skel->progs.prog_stream_verdict);
+	int parser = bpf_program__fd(skel->progs.prog_stream_parser);
+	int verdict_map = bpf_map__fd(skel->maps.verdict_map);
+	int sock_map = bpf_map__fd(inner_map);
+	int err;
+
+	err = xbpf_prog_attach(parser, sock_map, BPF_SK_SKB_STREAM_PARSER, 0);
+	if (err)
+		return;
+	err = xbpf_prog_attach(verdict, sock_map, BPF_SK_SKB_STREAM_VERDICT, 0);
+	if (err)
+		goto detach;
+
+	redir_to_listening(family, sotype, sock_map, verdict_map,
+			   REDIR_INGRESS);
+
+	xbpf_prog_detach2(verdict, sock_map, BPF_SK_SKB_STREAM_VERDICT);
+detach:
+	xbpf_prog_detach2(parser, sock_map, BPF_SK_SKB_STREAM_PARSER);
+}
+
+static void test_msg_redir_to_listening(struct test_sockmap_listen *skel,
+					struct bpf_map *inner_map, int family,
+					int sotype)
+{
+	int verdict = bpf_program__fd(skel->progs.prog_msg_verdict);
+	int verdict_map = bpf_map__fd(skel->maps.verdict_map);
+	int sock_map = bpf_map__fd(inner_map);
+	int err;
+
+	err = xbpf_prog_attach(verdict, sock_map, BPF_SK_MSG_VERDICT, 0);
+	if (err)
+		return;
+
+	redir_to_listening(family, sotype, sock_map, verdict_map, REDIR_EGRESS);
+
+	xbpf_prog_detach2(verdict, sock_map, BPF_SK_MSG_VERDICT);
+}
+
+static void test_reuseport_select_listening(int family, int sotype,
+					    int sock_map, int verd_map,
+					    int reuseport_prog)
+{
+	struct sockaddr_storage addr;
+	unsigned int pass;
+	int s, c, err;
+	socklen_t len;
+	u64 value;
+	u32 key;
+
+	zero_verdict_count(verd_map);
+
+	s = socket_loopback_reuseport(family, sotype | SOCK_NONBLOCK,
+				      reuseport_prog);
+	if (s < 0)
+		return;
+
+	len = sizeof(addr);
+	err = xgetsockname(s, sockaddr(&addr), &len);
+	if (err)
+		goto close_srv;
+
+	key = 0;
+	value = s;
+	err = xbpf_map_update_elem(sock_map, &key, &value, BPF_NOEXIST);
+	if (err)
+		goto close_srv;
+
+	c = xsocket(family, sotype, 0);
+	if (c < 0)
+		goto close_srv;
+	err = xconnect(c, sockaddr(&addr), len);
+	if (err)
+		goto close_cli;
+
+	if (sotype == SOCK_STREAM) {
+		int p;
+
+		p = xaccept_nonblock(s, NULL, NULL);
+		if (p < 0)
+			goto close_cli;
+		xclose(p);
+	} else {
+		char b = 'a';
+		ssize_t n;
+
+		n = xsend(c, &b, sizeof(b), 0);
+		if (n == -1)
+			goto close_cli;
+
+		n = xrecv_nonblock(s, &b, sizeof(b), 0);
+		if (n == -1)
+			goto close_cli;
+	}
+
+	key = SK_PASS;
+	err = xbpf_map_lookup_elem(verd_map, &key, &pass);
+	if (err)
+		goto close_cli;
+	if (pass != 1)
+		FAIL("want pass count 1, have %d", pass);
+
+close_cli:
+	xclose(c);
+close_srv:
+	xclose(s);
+}
+
+static void test_reuseport_select_connected(int family, int sotype,
+					    int sock_map, int verd_map,
+					    int reuseport_prog)
+{
+	struct sockaddr_storage addr;
+	int s, c0, c1, p0, err;
+	unsigned int drop;
+	socklen_t len;
+	u64 value;
+	u32 key;
+
+	zero_verdict_count(verd_map);
+
+	s = socket_loopback_reuseport(family, sotype, reuseport_prog);
+	if (s < 0)
+		return;
+
+	/* Populate sock_map[0] to avoid ENOENT on first connection */
+	key = 0;
+	value = s;
+	err = xbpf_map_update_elem(sock_map, &key, &value, BPF_NOEXIST);
+	if (err)
+		goto close_srv;
+
+	len = sizeof(addr);
+	err = xgetsockname(s, sockaddr(&addr), &len);
+	if (err)
+		goto close_srv;
+
+	c0 = xsocket(family, sotype, 0);
+	if (c0 < 0)
+		goto close_srv;
+
+	err = xconnect(c0, sockaddr(&addr), len);
+	if (err)
+		goto close_cli0;
+
+	if (sotype == SOCK_STREAM) {
+		p0 = xaccept_nonblock(s, NULL, NULL);
+		if (p0 < 0)
+			goto close_cli0;
+	} else {
+		p0 = xsocket(family, sotype, 0);
+		if (p0 < 0)
+			goto close_cli0;
+
+		len = sizeof(addr);
+		err = xgetsockname(c0, sockaddr(&addr), &len);
+		if (err)
+			goto close_cli0;
+
+		err = xconnect(p0, sockaddr(&addr), len);
+		if (err)
+			goto close_cli0;
+	}
+
+	/* Update sock_map[0] to redirect to a connected socket */
+	key = 0;
+	value = p0;
+	err = xbpf_map_update_elem(sock_map, &key, &value, BPF_EXIST);
+	if (err)
+		goto close_peer0;
+
+	c1 = xsocket(family, sotype, 0);
+	if (c1 < 0)
+		goto close_peer0;
+
+	len = sizeof(addr);
+	err = xgetsockname(s, sockaddr(&addr), &len);
+	if (err)
+		goto close_srv;
+
+	errno = 0;
+	err = connect(c1, sockaddr(&addr), len);
+	if (sotype == SOCK_DGRAM) {
+		char b = 'a';
+		ssize_t n;
+
+		n = xsend(c1, &b, sizeof(b), 0);
+		if (n == -1)
+			goto close_cli1;
+
+		n = recv_timeout(c1, &b, sizeof(b), 0, IO_TIMEOUT_SEC);
+		err = n == -1;
+	}
+	if (!err || errno != ECONNREFUSED)
+		FAIL_ERRNO("connect: expected ECONNREFUSED");
+
+	key = SK_DROP;
+	err = xbpf_map_lookup_elem(verd_map, &key, &drop);
+	if (err)
+		goto close_cli1;
+	if (drop != 1)
+		FAIL("want drop count 1, have %d", drop);
+
+close_cli1:
+	xclose(c1);
+close_peer0:
+	xclose(p0);
+close_cli0:
+	xclose(c0);
+close_srv:
+	xclose(s);
+}
+
+/* Check that redirecting across reuseport groups is not allowed. */
+static void test_reuseport_mixed_groups(int family, int sotype, int sock_map,
+					int verd_map, int reuseport_prog)
+{
+	struct sockaddr_storage addr;
+	int s1, s2, c, err;
+	unsigned int drop;
+	socklen_t len;
+	u32 key;
+
+	zero_verdict_count(verd_map);
+
+	/* Create two listeners, each in its own reuseport group */
+	s1 = socket_loopback_reuseport(family, sotype, reuseport_prog);
+	if (s1 < 0)
+		return;
+
+	s2 = socket_loopback_reuseport(family, sotype, reuseport_prog);
+	if (s2 < 0)
+		goto close_srv1;
+
+	err = add_to_sockmap(sock_map, s1, s2);
+	if (err)
+		goto close_srv2;
+
+	/* Connect to s2, reuseport BPF selects s1 via sock_map[0] */
+	len = sizeof(addr);
+	err = xgetsockname(s2, sockaddr(&addr), &len);
+	if (err)
+		goto close_srv2;
+
+	c = xsocket(family, sotype, 0);
+	if (c < 0)
+		goto close_srv2;
+
+	err = connect(c, sockaddr(&addr), len);
+	if (sotype == SOCK_DGRAM) {
+		char b = 'a';
+		ssize_t n;
+
+		n = xsend(c, &b, sizeof(b), 0);
+		if (n == -1)
+			goto close_cli;
+
+		n = recv_timeout(c, &b, sizeof(b), 0, IO_TIMEOUT_SEC);
+		err = n == -1;
+	}
+	if (!err || errno != ECONNREFUSED) {
+		FAIL_ERRNO("connect: expected ECONNREFUSED");
+		goto close_cli;
+	}
+
+	/* Expect drop, can't redirect outside of reuseport group */
+	key = SK_DROP;
+	err = xbpf_map_lookup_elem(verd_map, &key, &drop);
+	if (err)
+		goto close_cli;
+	if (drop != 1)
+		FAIL("want drop count 1, have %d", drop);
+
+close_cli:
+	xclose(c);
+close_srv2:
+	xclose(s2);
+close_srv1:
+	xclose(s1);
+}
+
+#define TEST(fn, ...)                                                          \
+	{                                                                      \
+		fn, #fn, __VA_ARGS__                                           \
+	}
+
+static void test_ops_cleanup(const struct bpf_map *map)
+{
+	int err, mapfd;
+	u32 key;
+
+	mapfd = bpf_map__fd(map);
+
+	for (key = 0; key < bpf_map__max_entries(map); key++) {
+		err = bpf_map_delete_elem(mapfd, &key);
+		if (err && errno != EINVAL && errno != ENOENT)
+			FAIL_ERRNO("map_delete: expected EINVAL/ENOENT");
+	}
+}
+
+static const char *family_str(sa_family_t family)
+{
+	switch (family) {
+	case AF_INET:
+		return "IPv4";
+	case AF_INET6:
+		return "IPv6";
+	case AF_UNIX:
+		return "Unix";
+	default:
+		return "unknown";
+	}
+}
+
+static const char *map_type_str(const struct bpf_map *map)
+{
+	int type;
+
+	if (!map)
+		return "invalid";
+	type = bpf_map__type(map);
+
+	switch (type) {
+	case BPF_MAP_TYPE_SOCKMAP:
+		return "sockmap";
+	case BPF_MAP_TYPE_SOCKHASH:
+		return "sockhash";
+	default:
+		return "unknown";
+	}
+}
+
+static const char *sotype_str(int sotype)
+{
+	switch (sotype) {
+	case SOCK_DGRAM:
+		return "UDP";
+	case SOCK_STREAM:
+		return "TCP";
+	default:
+		return "unknown";
+	}
+}
+
+static void test_ops(struct test_sockmap_listen *skel, struct bpf_map *map,
+		     int family, int sotype)
+{
+	const struct op_test {
+		void (*fn)(int family, int sotype, int mapfd);
+		const char *name;
+		int sotype;
+	} tests[] = {
+		/* insert */
+		TEST(test_insert_invalid),
+		TEST(test_insert_opened),
+		TEST(test_insert_bound, SOCK_STREAM),
+		TEST(test_insert),
+		/* delete */
+		TEST(test_delete_after_insert),
+		TEST(test_delete_after_close),
+		/* lookup */
+		TEST(test_lookup_after_insert),
+		TEST(test_lookup_after_delete),
+		TEST(test_lookup_32_bit_value),
+		/* update */
+		TEST(test_update_existing),
+		/* races with insert/delete */
+		TEST(test_destroy_orphan_child, SOCK_STREAM),
+		TEST(test_syn_recv_insert_delete, SOCK_STREAM),
+		TEST(test_race_insert_listen, SOCK_STREAM),
+		/* child clone */
+		TEST(test_clone_after_delete, SOCK_STREAM),
+		TEST(test_accept_after_delete, SOCK_STREAM),
+		TEST(test_accept_before_delete, SOCK_STREAM),
+	};
+	const char *family_name, *map_name, *sotype_name;
+	const struct op_test *t;
+	char s[MAX_TEST_NAME];
+	int map_fd;
+
+	family_name = family_str(family);
+	map_name = map_type_str(map);
+	sotype_name = sotype_str(sotype);
+	map_fd = bpf_map__fd(map);
+
+	for (t = tests; t < tests + ARRAY_SIZE(tests); t++) {
+		snprintf(s, sizeof(s), "%s %s %s %s", map_name, family_name,
+			 sotype_name, t->name);
+
+		if (t->sotype != 0 && t->sotype != sotype)
+			continue;
+
+		if (!test__start_subtest(s))
+			continue;
+
+		t->fn(family, sotype, map_fd);
+		test_ops_cleanup(map);
+	}
+}
+
+static void test_redir(struct test_sockmap_listen *skel, struct bpf_map *map,
+		       int family, int sotype)
+{
+	const struct redir_test {
+		void (*fn)(struct test_sockmap_listen *skel,
+			   struct bpf_map *map, int family, int sotype);
+		const char *name;
+	} tests[] = {
+		TEST(test_skb_redir_to_connected),
+		TEST(test_skb_redir_to_listening),
+		TEST(test_msg_redir_to_connected),
+		TEST(test_msg_redir_to_listening),
+	};
+	const char *family_name, *map_name;
+	const struct redir_test *t;
+	char s[MAX_TEST_NAME];
+
+	family_name = family_str(family);
+	map_name = map_type_str(map);
+
+	for (t = tests; t < tests + ARRAY_SIZE(tests); t++) {
+		snprintf(s, sizeof(s), "%s %s %s", map_name, family_name,
+			 t->name);
+
+		if (!test__start_subtest(s))
+			continue;
+
+		t->fn(skel, map, family, sotype);
+	}
+}
+
+static void unix_redir_to_connected(int sotype, int sock_mapfd,
+			       int verd_mapfd, enum redir_mode mode)
+{
+	const char *log_prefix = redir_mode_str(mode);
+	int c0, c1, p0, p1;
+	unsigned int pass;
+	int err, n;
+	int sfd[2];
+	u32 key;
+	char b;
+
+	zero_verdict_count(verd_mapfd);
+
+	if (socketpair(AF_UNIX, sotype | SOCK_NONBLOCK, 0, sfd))
+		return;
+	c0 = sfd[0], p0 = sfd[1];
+
+	if (socketpair(AF_UNIX, sotype | SOCK_NONBLOCK, 0, sfd))
+		goto close0;
+	c1 = sfd[0], p1 = sfd[1];
+
+	err = add_to_sockmap(sock_mapfd, p0, p1);
+	if (err)
+		goto close;
+
+	n = write(c1, "a", 1);
+	if (n < 0)
+		FAIL_ERRNO("%s: write", log_prefix);
+	if (n == 0)
+		FAIL("%s: incomplete write", log_prefix);
+	if (n < 1)
+		goto close;
+
+	key = SK_PASS;
+	err = xbpf_map_lookup_elem(verd_mapfd, &key, &pass);
+	if (err)
+		goto close;
+	if (pass != 1)
+		FAIL("%s: want pass count 1, have %d", log_prefix, pass);
+
+	n = recv_timeout(mode == REDIR_INGRESS ? p0 : c0, &b, 1, 0, IO_TIMEOUT_SEC);
+	if (n < 0)
+		FAIL_ERRNO("%s: recv_timeout", log_prefix);
+	if (n == 0)
+		FAIL("%s: incomplete recv", log_prefix);
+
+close:
+	xclose(c1);
+	xclose(p1);
+close0:
+	xclose(c0);
+	xclose(p0);
+}
+
+static void unix_skb_redir_to_connected(struct test_sockmap_listen *skel,
+					struct bpf_map *inner_map, int sotype)
+{
+	int verdict = bpf_program__fd(skel->progs.prog_skb_verdict);
+	int verdict_map = bpf_map__fd(skel->maps.verdict_map);
+	int sock_map = bpf_map__fd(inner_map);
+	int err;
+
+	err = xbpf_prog_attach(verdict, sock_map, BPF_SK_SKB_VERDICT, 0);
+	if (err)
+		return;
+
+	skel->bss->test_ingress = false;
+	unix_redir_to_connected(sotype, sock_map, verdict_map, REDIR_EGRESS);
+	skel->bss->test_ingress = true;
+	unix_redir_to_connected(sotype, sock_map, verdict_map, REDIR_INGRESS);
+
+	xbpf_prog_detach2(verdict, sock_map, BPF_SK_SKB_VERDICT);
+}
+
+static void test_unix_redir(struct test_sockmap_listen *skel, struct bpf_map *map,
+			    int sotype)
+{
+	const char *family_name, *map_name;
+	char s[MAX_TEST_NAME];
+
+	family_name = family_str(AF_UNIX);
+	map_name = map_type_str(map);
+	snprintf(s, sizeof(s), "%s %s %s", map_name, family_name, __func__);
+	if (!test__start_subtest(s))
+		return;
+	unix_skb_redir_to_connected(skel, map, sotype);
+}
+
+static void test_reuseport(struct test_sockmap_listen *skel,
+			   struct bpf_map *map, int family, int sotype)
+{
+	const struct reuseport_test {
+		void (*fn)(int family, int sotype, int socket_map,
+			   int verdict_map, int reuseport_prog);
+		const char *name;
+		int sotype;
+	} tests[] = {
+		TEST(test_reuseport_select_listening),
+		TEST(test_reuseport_select_connected),
+		TEST(test_reuseport_mixed_groups),
+	};
+	int socket_map, verdict_map, reuseport_prog;
+	const char *family_name, *map_name, *sotype_name;
+	const struct reuseport_test *t;
+	char s[MAX_TEST_NAME];
+
+	family_name = family_str(family);
+	map_name = map_type_str(map);
+	sotype_name = sotype_str(sotype);
+
+	socket_map = bpf_map__fd(map);
+	verdict_map = bpf_map__fd(skel->maps.verdict_map);
+	reuseport_prog = bpf_program__fd(skel->progs.prog_reuseport);
+
+	for (t = tests; t < tests + ARRAY_SIZE(tests); t++) {
+		snprintf(s, sizeof(s), "%s %s %s %s", map_name, family_name,
+			 sotype_name, t->name);
+
+		if (t->sotype != 0 && t->sotype != sotype)
+			continue;
+
+		if (!test__start_subtest(s))
+			continue;
+
+		t->fn(family, sotype, socket_map, verdict_map, reuseport_prog);
+	}
+}
+
+static int inet_socketpair(int family, int type, int *s, int *c)
+{
+	struct sockaddr_storage addr;
+	socklen_t len;
+	int p0, c0;
+	int err;
+
+	p0 = socket_loopback(family, type | SOCK_NONBLOCK);
+	if (p0 < 0)
+		return p0;
+
+	len = sizeof(addr);
+	err = xgetsockname(p0, sockaddr(&addr), &len);
+	if (err)
+		goto close_peer0;
+
+	c0 = xsocket(family, type | SOCK_NONBLOCK, 0);
+	if (c0 < 0) {
+		err = c0;
+		goto close_peer0;
+	}
+	err = xconnect(c0, sockaddr(&addr), len);
+	if (err)
+		goto close_cli0;
+	err = xgetsockname(c0, sockaddr(&addr), &len);
+	if (err)
+		goto close_cli0;
+	err = xconnect(p0, sockaddr(&addr), len);
+	if (err)
+		goto close_cli0;
+
+	*s = p0;
+	*c = c0;
+	return 0;
+
+close_cli0:
+	xclose(c0);
+close_peer0:
+	xclose(p0);
+	return err;
+}
+
+static void udp_redir_to_connected(int family, int sock_mapfd, int verd_mapfd,
+				   enum redir_mode mode)
+{
+	const char *log_prefix = redir_mode_str(mode);
+	int c0, c1, p0, p1;
+	unsigned int pass;
+	int err, n;
+	u32 key;
+	char b;
+
+	zero_verdict_count(verd_mapfd);
+
+	err = inet_socketpair(family, SOCK_DGRAM, &p0, &c0);
+	if (err)
+		return;
+	err = inet_socketpair(family, SOCK_DGRAM, &p1, &c1);
+	if (err)
+		goto close_cli0;
+
+	err = add_to_sockmap(sock_mapfd, p0, p1);
+	if (err)
+		goto close_cli1;
+
+	n = write(c1, "a", 1);
+	if (n < 0)
+		FAIL_ERRNO("%s: write", log_prefix);
+	if (n == 0)
+		FAIL("%s: incomplete write", log_prefix);
+	if (n < 1)
+		goto close_cli1;
+
+	key = SK_PASS;
+	err = xbpf_map_lookup_elem(verd_mapfd, &key, &pass);
+	if (err)
+		goto close_cli1;
+	if (pass != 1)
+		FAIL("%s: want pass count 1, have %d", log_prefix, pass);
+
+	n = recv_timeout(mode == REDIR_INGRESS ? p0 : c0, &b, 1, 0, IO_TIMEOUT_SEC);
+	if (n < 0)
+		FAIL_ERRNO("%s: recv_timeout", log_prefix);
+	if (n == 0)
+		FAIL("%s: incomplete recv", log_prefix);
+
+close_cli1:
+	xclose(c1);
+	xclose(p1);
+close_cli0:
+	xclose(c0);
+	xclose(p0);
+}
+
+static void udp_skb_redir_to_connected(struct test_sockmap_listen *skel,
+				       struct bpf_map *inner_map, int family)
+{
+	int verdict = bpf_program__fd(skel->progs.prog_skb_verdict);
+	int verdict_map = bpf_map__fd(skel->maps.verdict_map);
+	int sock_map = bpf_map__fd(inner_map);
+	int err;
+
+	err = xbpf_prog_attach(verdict, sock_map, BPF_SK_SKB_VERDICT, 0);
+	if (err)
+		return;
+
+	skel->bss->test_ingress = false;
+	udp_redir_to_connected(family, sock_map, verdict_map, REDIR_EGRESS);
+	skel->bss->test_ingress = true;
+	udp_redir_to_connected(family, sock_map, verdict_map, REDIR_INGRESS);
+
+	xbpf_prog_detach2(verdict, sock_map, BPF_SK_SKB_VERDICT);
+}
+
+static void test_udp_redir(struct test_sockmap_listen *skel, struct bpf_map *map,
+			   int family)
+{
+	const char *family_name, *map_name;
+	char s[MAX_TEST_NAME];
+
+	family_name = family_str(family);
+	map_name = map_type_str(map);
+	snprintf(s, sizeof(s), "%s %s %s", map_name, family_name, __func__);
+	if (!test__start_subtest(s))
+		return;
+	udp_skb_redir_to_connected(skel, map, family);
+}
+
+static void inet_unix_redir_to_connected(int family, int type, int sock_mapfd,
+					int verd_mapfd, enum redir_mode mode)
+{
+	const char *log_prefix = redir_mode_str(mode);
+	int c0, c1, p0, p1;
+	unsigned int pass;
+	int err, n;
+	int sfd[2];
+	u32 key;
+	char b;
+
+	zero_verdict_count(verd_mapfd);
+
+	if (socketpair(AF_UNIX, SOCK_DGRAM | SOCK_NONBLOCK, 0, sfd))
+		return;
+	c0 = sfd[0], p0 = sfd[1];
+
+	err = inet_socketpair(family, SOCK_DGRAM, &p1, &c1);
+	if (err)
+		goto close;
+
+	err = add_to_sockmap(sock_mapfd, p0, p1);
+	if (err)
+		goto close_cli1;
+
+	n = write(c1, "a", 1);
+	if (n < 0)
+		FAIL_ERRNO("%s: write", log_prefix);
+	if (n == 0)
+		FAIL("%s: incomplete write", log_prefix);
+	if (n < 1)
+		goto close_cli1;
+
+	key = SK_PASS;
+	err = xbpf_map_lookup_elem(verd_mapfd, &key, &pass);
+	if (err)
+		goto close_cli1;
+	if (pass != 1)
+		FAIL("%s: want pass count 1, have %d", log_prefix, pass);
+
+	n = recv_timeout(mode == REDIR_INGRESS ? p0 : c0, &b, 1, 0, IO_TIMEOUT_SEC);
+	if (n < 0)
+		FAIL_ERRNO("%s: recv_timeout", log_prefix);
+	if (n == 0)
+		FAIL("%s: incomplete recv", log_prefix);
+
+close_cli1:
+	xclose(c1);
+	xclose(p1);
+close:
+	xclose(c0);
+	xclose(p0);
+}
+
+static void inet_unix_skb_redir_to_connected(struct test_sockmap_listen *skel,
+					    struct bpf_map *inner_map, int family)
+{
+	int verdict = bpf_program__fd(skel->progs.prog_skb_verdict);
+	int verdict_map = bpf_map__fd(skel->maps.verdict_map);
+	int sock_map = bpf_map__fd(inner_map);
+	int err;
+
+	err = xbpf_prog_attach(verdict, sock_map, BPF_SK_SKB_VERDICT, 0);
+	if (err)
+		return;
+
+	skel->bss->test_ingress = false;
+	inet_unix_redir_to_connected(family, SOCK_DGRAM, sock_map, verdict_map,
+				    REDIR_EGRESS);
+	inet_unix_redir_to_connected(family, SOCK_STREAM, sock_map, verdict_map,
+				    REDIR_EGRESS);
+	skel->bss->test_ingress = true;
+	inet_unix_redir_to_connected(family, SOCK_DGRAM, sock_map, verdict_map,
+				    REDIR_INGRESS);
+	inet_unix_redir_to_connected(family, SOCK_STREAM, sock_map, verdict_map,
+				    REDIR_INGRESS);
+
+	xbpf_prog_detach2(verdict, sock_map, BPF_SK_SKB_VERDICT);
+}
+
+static void unix_inet_redir_to_connected(int family, int type, int sock_mapfd,
+					int verd_mapfd, enum redir_mode mode)
+{
+	const char *log_prefix = redir_mode_str(mode);
+	int c0, c1, p0, p1;
+	unsigned int pass;
+	int err, n;
+	int sfd[2];
+	u32 key;
+	char b;
+
+	zero_verdict_count(verd_mapfd);
+
+	err = inet_socketpair(family, SOCK_DGRAM, &p0, &c0);
+	if (err)
+		return;
+
+	if (socketpair(AF_UNIX, SOCK_DGRAM | SOCK_NONBLOCK, 0, sfd))
+		goto close_cli0;
+	c1 = sfd[0], p1 = sfd[1];
+
+	err = add_to_sockmap(sock_mapfd, p0, p1);
+	if (err)
+		goto close;
+
+	n = write(c1, "a", 1);
+	if (n < 0)
+		FAIL_ERRNO("%s: write", log_prefix);
+	if (n == 0)
+		FAIL("%s: incomplete write", log_prefix);
+	if (n < 1)
+		goto close;
+
+	key = SK_PASS;
+	err = xbpf_map_lookup_elem(verd_mapfd, &key, &pass);
+	if (err)
+		goto close;
+	if (pass != 1)
+		FAIL("%s: want pass count 1, have %d", log_prefix, pass);
+
+	n = recv_timeout(mode == REDIR_INGRESS ? p0 : c0, &b, 1, 0, IO_TIMEOUT_SEC);
+	if (n < 0)
+		FAIL_ERRNO("%s: recv_timeout", log_prefix);
+	if (n == 0)
+		FAIL("%s: incomplete recv", log_prefix);
+
+close:
+	xclose(c1);
+	xclose(p1);
+close_cli0:
+	xclose(c0);
+	xclose(p0);
+
+}
+
+static void unix_inet_skb_redir_to_connected(struct test_sockmap_listen *skel,
+					    struct bpf_map *inner_map, int family)
+{
+	int verdict = bpf_program__fd(skel->progs.prog_skb_verdict);
+	int verdict_map = bpf_map__fd(skel->maps.verdict_map);
+	int sock_map = bpf_map__fd(inner_map);
+	int err;
+
+	err = xbpf_prog_attach(verdict, sock_map, BPF_SK_SKB_VERDICT, 0);
+	if (err)
+		return;
+
+	skel->bss->test_ingress = false;
+	unix_inet_redir_to_connected(family, SOCK_DGRAM, sock_map, verdict_map,
+				     REDIR_EGRESS);
+	unix_inet_redir_to_connected(family, SOCK_STREAM, sock_map, verdict_map,
+				     REDIR_EGRESS);
+	skel->bss->test_ingress = true;
+	unix_inet_redir_to_connected(family, SOCK_DGRAM, sock_map, verdict_map,
+				     REDIR_INGRESS);
+	unix_inet_redir_to_connected(family, SOCK_STREAM, sock_map, verdict_map,
+				     REDIR_INGRESS);
+
+	xbpf_prog_detach2(verdict, sock_map, BPF_SK_SKB_VERDICT);
+}
+
+static void test_udp_unix_redir(struct test_sockmap_listen *skel, struct bpf_map *map,
+				int family)
+{
+	const char *family_name, *map_name;
+	char s[MAX_TEST_NAME];
+
+	family_name = family_str(family);
+	map_name = map_type_str(map);
+	snprintf(s, sizeof(s), "%s %s %s", map_name, family_name, __func__);
+	if (!test__start_subtest(s))
+		return;
+	inet_unix_skb_redir_to_connected(skel, map, family);
+	unix_inet_skb_redir_to_connected(skel, map, family);
+}
+
+static void run_tests(struct test_sockmap_listen *skel, struct bpf_map *map,
+		      int family)
+{
+	test_ops(skel, map, family, SOCK_STREAM);
+	test_ops(skel, map, family, SOCK_DGRAM);
+	test_redir(skel, map, family, SOCK_STREAM);
+	test_reuseport(skel, map, family, SOCK_STREAM);
+	test_reuseport(skel, map, family, SOCK_DGRAM);
+	test_udp_redir(skel, map, family);
+	test_udp_unix_redir(skel, map, family);
+}
+
+void serial_test_sockmap_listen(void)
+{
+	struct test_sockmap_listen *skel;
+
+	skel = test_sockmap_listen__open_and_load();
+	if (!skel) {
+		FAIL("skeleton open/load failed");
+		return;
+	}
+
+	skel->bss->test_sockmap = true;
+	run_tests(skel, skel->maps.sock_map, AF_INET);
+	run_tests(skel, skel->maps.sock_map, AF_INET6);
+	test_unix_redir(skel, skel->maps.sock_map, SOCK_DGRAM);
+	test_unix_redir(skel, skel->maps.sock_map, SOCK_STREAM);
+
+	skel->bss->test_sockmap = false;
+	run_tests(skel, skel->maps.sock_hash, AF_INET);
+	run_tests(skel, skel->maps.sock_hash, AF_INET6);
+	test_unix_redir(skel, skel->maps.sock_hash, SOCK_DGRAM);
+	test_unix_redir(skel, skel->maps.sock_hash, SOCK_STREAM);
+
+	test_sockmap_listen__destroy(skel);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/sockopt.c b/tools/testing/selftests/bpf/prog_tests/sockopt.c
new file mode 100644
index 000000000..aa4debf62
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/sockopt.c
@@ -0,0 +1,984 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <test_progs.h>
+#include "cgroup_helpers.h"
+
+static char bpf_log_buf[4096];
+static bool verbose;
+
+enum sockopt_test_error {
+	OK = 0,
+	DENY_LOAD,
+	DENY_ATTACH,
+	EPERM_GETSOCKOPT,
+	EFAULT_GETSOCKOPT,
+	EPERM_SETSOCKOPT,
+	EFAULT_SETSOCKOPT,
+};
+
+static struct sockopt_test {
+	const char			*descr;
+	const struct bpf_insn		insns[64];
+	enum bpf_attach_type		attach_type;
+	enum bpf_attach_type		expected_attach_type;
+
+	int				set_optname;
+	int				set_level;
+	const char			set_optval[64];
+	socklen_t			set_optlen;
+
+	int				get_optname;
+	int				get_level;
+	const char			get_optval[64];
+	socklen_t			get_optlen;
+	socklen_t			get_optlen_ret;
+
+	enum sockopt_test_error		error;
+} tests[] = {
+
+	/* ==================== getsockopt ====================  */
+
+	{
+		.descr = "getsockopt: no expected_attach_type",
+		.insns = {
+			/* return 1 */
+			BPF_MOV64_IMM(BPF_REG_0, 1),
+			BPF_EXIT_INSN(),
+
+		},
+		.attach_type = BPF_CGROUP_GETSOCKOPT,
+		.expected_attach_type = 0,
+		.error = DENY_LOAD,
+	},
+	{
+		.descr = "getsockopt: wrong expected_attach_type",
+		.insns = {
+			/* return 1 */
+			BPF_MOV64_IMM(BPF_REG_0, 1),
+			BPF_EXIT_INSN(),
+
+		},
+		.attach_type = BPF_CGROUP_GETSOCKOPT,
+		.expected_attach_type = BPF_CGROUP_SETSOCKOPT,
+		.error = DENY_ATTACH,
+	},
+	{
+		.descr = "getsockopt: bypass bpf hook",
+		.insns = {
+			/* return 1 */
+			BPF_MOV64_IMM(BPF_REG_0, 1),
+			BPF_EXIT_INSN(),
+		},
+		.attach_type = BPF_CGROUP_GETSOCKOPT,
+		.expected_attach_type = BPF_CGROUP_GETSOCKOPT,
+
+		.get_level = SOL_IP,
+		.set_level = SOL_IP,
+
+		.get_optname = IP_TOS,
+		.set_optname = IP_TOS,
+
+		.set_optval = { 1 << 3 },
+		.set_optlen = 1,
+
+		.get_optval = { 1 << 3 },
+		.get_optlen = 1,
+	},
+	{
+		.descr = "getsockopt: return EPERM from bpf hook",
+		.insns = {
+			BPF_MOV64_IMM(BPF_REG_0, 0),
+			BPF_EXIT_INSN(),
+		},
+		.attach_type = BPF_CGROUP_GETSOCKOPT,
+		.expected_attach_type = BPF_CGROUP_GETSOCKOPT,
+
+		.get_level = SOL_IP,
+		.get_optname = IP_TOS,
+
+		.get_optlen = 1,
+		.error = EPERM_GETSOCKOPT,
+	},
+	{
+		.descr = "getsockopt: no optval bounds check, deny loading",
+		.insns = {
+			/* r6 = ctx->optval */
+			BPF_LDX_MEM(BPF_DW, BPF_REG_6, BPF_REG_1,
+				    offsetof(struct bpf_sockopt, optval)),
+
+			/* ctx->optval[0] = 0x80 */
+			BPF_MOV64_IMM(BPF_REG_0, 0x80),
+			BPF_STX_MEM(BPF_W, BPF_REG_6, BPF_REG_0, 0),
+
+			/* return 1 */
+			BPF_MOV64_IMM(BPF_REG_0, 1),
+			BPF_EXIT_INSN(),
+		},
+		.attach_type = BPF_CGROUP_GETSOCKOPT,
+		.expected_attach_type = BPF_CGROUP_GETSOCKOPT,
+		.error = DENY_LOAD,
+	},
+	{
+		.descr = "getsockopt: read ctx->level",
+		.insns = {
+			/* r6 = ctx->level */
+			BPF_LDX_MEM(BPF_W, BPF_REG_6, BPF_REG_1,
+				    offsetof(struct bpf_sockopt, level)),
+
+			/* if (ctx->level == 123) { */
+			BPF_JMP_IMM(BPF_JNE, BPF_REG_6, 123, 4),
+			/* ctx->retval = 0 */
+			BPF_MOV64_IMM(BPF_REG_0, 0),
+			BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_0,
+				    offsetof(struct bpf_sockopt, retval)),
+			/* return 1 */
+			BPF_MOV64_IMM(BPF_REG_0, 1),
+			BPF_JMP_A(1),
+			/* } else { */
+			/* return 0 */
+			BPF_MOV64_IMM(BPF_REG_0, 0),
+			/* } */
+			BPF_EXIT_INSN(),
+		},
+		.attach_type = BPF_CGROUP_GETSOCKOPT,
+		.expected_attach_type = BPF_CGROUP_GETSOCKOPT,
+
+		.get_level = 123,
+
+		.get_optlen = 1,
+	},
+	{
+		.descr = "getsockopt: deny writing to ctx->level",
+		.insns = {
+			/* ctx->level = 1 */
+			BPF_MOV64_IMM(BPF_REG_0, 1),
+			BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_0,
+				    offsetof(struct bpf_sockopt, level)),
+			BPF_EXIT_INSN(),
+		},
+		.attach_type = BPF_CGROUP_GETSOCKOPT,
+		.expected_attach_type = BPF_CGROUP_GETSOCKOPT,
+
+		.error = DENY_LOAD,
+	},
+	{
+		.descr = "getsockopt: read ctx->optname",
+		.insns = {
+			/* r6 = ctx->optname */
+			BPF_LDX_MEM(BPF_W, BPF_REG_6, BPF_REG_1,
+				    offsetof(struct bpf_sockopt, optname)),
+
+			/* if (ctx->optname == 123) { */
+			BPF_JMP_IMM(BPF_JNE, BPF_REG_6, 123, 4),
+			/* ctx->retval = 0 */
+			BPF_MOV64_IMM(BPF_REG_0, 0),
+			BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_0,
+				    offsetof(struct bpf_sockopt, retval)),
+			/* return 1 */
+			BPF_MOV64_IMM(BPF_REG_0, 1),
+			BPF_JMP_A(1),
+			/* } else { */
+			/* return 0 */
+			BPF_MOV64_IMM(BPF_REG_0, 0),
+			/* } */
+			BPF_EXIT_INSN(),
+		},
+		.attach_type = BPF_CGROUP_GETSOCKOPT,
+		.expected_attach_type = BPF_CGROUP_GETSOCKOPT,
+
+		.get_optname = 123,
+
+		.get_optlen = 1,
+	},
+	{
+		.descr = "getsockopt: read ctx->retval",
+		.insns = {
+			/* r6 = ctx->retval */
+			BPF_LDX_MEM(BPF_W, BPF_REG_6, BPF_REG_1,
+				    offsetof(struct bpf_sockopt, retval)),
+
+			/* return 1 */
+			BPF_MOV64_IMM(BPF_REG_0, 1),
+			BPF_EXIT_INSN(),
+		},
+		.attach_type = BPF_CGROUP_GETSOCKOPT,
+		.expected_attach_type = BPF_CGROUP_GETSOCKOPT,
+
+		.get_level = SOL_IP,
+		.get_optname = IP_TOS,
+		.get_optlen = 1,
+	},
+	{
+		.descr = "getsockopt: deny writing to ctx->optname",
+		.insns = {
+			/* ctx->optname = 1 */
+			BPF_MOV64_IMM(BPF_REG_0, 1),
+			BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_0,
+				    offsetof(struct bpf_sockopt, optname)),
+			BPF_EXIT_INSN(),
+		},
+		.attach_type = BPF_CGROUP_GETSOCKOPT,
+		.expected_attach_type = BPF_CGROUP_GETSOCKOPT,
+
+		.error = DENY_LOAD,
+	},
+	{
+		.descr = "getsockopt: read ctx->optlen",
+		.insns = {
+			/* r6 = ctx->optlen */
+			BPF_LDX_MEM(BPF_W, BPF_REG_6, BPF_REG_1,
+				    offsetof(struct bpf_sockopt, optlen)),
+
+			/* if (ctx->optlen == 64) { */
+			BPF_JMP_IMM(BPF_JNE, BPF_REG_6, 64, 4),
+			/* ctx->retval = 0 */
+			BPF_MOV64_IMM(BPF_REG_0, 0),
+			BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_0,
+				    offsetof(struct bpf_sockopt, retval)),
+			/* return 1 */
+			BPF_MOV64_IMM(BPF_REG_0, 1),
+			BPF_JMP_A(1),
+			/* } else { */
+			/* return 0 */
+			BPF_MOV64_IMM(BPF_REG_0, 0),
+			/* } */
+			BPF_EXIT_INSN(),
+		},
+		.attach_type = BPF_CGROUP_GETSOCKOPT,
+		.expected_attach_type = BPF_CGROUP_GETSOCKOPT,
+
+		.get_optlen = 64,
+	},
+	{
+		.descr = "getsockopt: deny bigger ctx->optlen",
+		.insns = {
+			/* ctx->optlen = 65 */
+			BPF_MOV64_IMM(BPF_REG_0, 65),
+			BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_0,
+				    offsetof(struct bpf_sockopt, optlen)),
+
+			/* ctx->retval = 0 */
+			BPF_MOV64_IMM(BPF_REG_0, 0),
+			BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_0,
+				    offsetof(struct bpf_sockopt, retval)),
+
+			/* return 1 */
+			BPF_MOV64_IMM(BPF_REG_0, 1),
+			BPF_EXIT_INSN(),
+		},
+		.attach_type = BPF_CGROUP_GETSOCKOPT,
+		.expected_attach_type = BPF_CGROUP_GETSOCKOPT,
+
+		.get_optlen = 64,
+
+		.error = EFAULT_GETSOCKOPT,
+	},
+	{
+		.descr = "getsockopt: deny arbitrary ctx->retval",
+		.insns = {
+			/* ctx->retval = 123 */
+			BPF_MOV64_IMM(BPF_REG_0, 123),
+			BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_0,
+				    offsetof(struct bpf_sockopt, retval)),
+
+			/* return 1 */
+			BPF_MOV64_IMM(BPF_REG_0, 1),
+			BPF_EXIT_INSN(),
+		},
+		.attach_type = BPF_CGROUP_GETSOCKOPT,
+		.expected_attach_type = BPF_CGROUP_GETSOCKOPT,
+
+		.get_optlen = 64,
+
+		.error = EFAULT_GETSOCKOPT,
+	},
+	{
+		.descr = "getsockopt: support smaller ctx->optlen",
+		.insns = {
+			/* ctx->optlen = 32 */
+			BPF_MOV64_IMM(BPF_REG_0, 32),
+			BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_0,
+				    offsetof(struct bpf_sockopt, optlen)),
+			/* ctx->retval = 0 */
+			BPF_MOV64_IMM(BPF_REG_0, 0),
+			BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_0,
+				    offsetof(struct bpf_sockopt, retval)),
+			/* return 1 */
+			BPF_MOV64_IMM(BPF_REG_0, 1),
+			BPF_EXIT_INSN(),
+		},
+		.attach_type = BPF_CGROUP_GETSOCKOPT,
+		.expected_attach_type = BPF_CGROUP_GETSOCKOPT,
+
+		.get_optlen = 64,
+		.get_optlen_ret = 32,
+	},
+	{
+		.descr = "getsockopt: deny writing to ctx->optval",
+		.insns = {
+			/* ctx->optval = 1 */
+			BPF_MOV64_IMM(BPF_REG_0, 1),
+			BPF_STX_MEM(BPF_DW, BPF_REG_1, BPF_REG_0,
+				    offsetof(struct bpf_sockopt, optval)),
+			BPF_EXIT_INSN(),
+		},
+		.attach_type = BPF_CGROUP_GETSOCKOPT,
+		.expected_attach_type = BPF_CGROUP_GETSOCKOPT,
+
+		.error = DENY_LOAD,
+	},
+	{
+		.descr = "getsockopt: deny writing to ctx->optval_end",
+		.insns = {
+			/* ctx->optval_end = 1 */
+			BPF_MOV64_IMM(BPF_REG_0, 1),
+			BPF_STX_MEM(BPF_DW, BPF_REG_1, BPF_REG_0,
+				    offsetof(struct bpf_sockopt, optval_end)),
+			BPF_EXIT_INSN(),
+		},
+		.attach_type = BPF_CGROUP_GETSOCKOPT,
+		.expected_attach_type = BPF_CGROUP_GETSOCKOPT,
+
+		.error = DENY_LOAD,
+	},
+	{
+		.descr = "getsockopt: rewrite value",
+		.insns = {
+			/* r6 = ctx->optval */
+			BPF_LDX_MEM(BPF_DW, BPF_REG_6, BPF_REG_1,
+				    offsetof(struct bpf_sockopt, optval)),
+			/* r2 = ctx->optval */
+			BPF_MOV64_REG(BPF_REG_2, BPF_REG_6),
+			/* r6 = ctx->optval + 1 */
+			BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, 1),
+
+			/* r7 = ctx->optval_end */
+			BPF_LDX_MEM(BPF_DW, BPF_REG_7, BPF_REG_1,
+				    offsetof(struct bpf_sockopt, optval_end)),
+
+			/* if (ctx->optval + 1 <= ctx->optval_end) { */
+			BPF_JMP_REG(BPF_JGT, BPF_REG_6, BPF_REG_7, 1),
+			/* ctx->optval[0] = 0xF0 */
+			BPF_ST_MEM(BPF_B, BPF_REG_2, 0, 0xF0),
+			/* } */
+
+			/* ctx->retval = 0 */
+			BPF_MOV64_IMM(BPF_REG_0, 0),
+			BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_0,
+				    offsetof(struct bpf_sockopt, retval)),
+
+			/* return 1*/
+			BPF_MOV64_IMM(BPF_REG_0, 1),
+			BPF_EXIT_INSN(),
+		},
+		.attach_type = BPF_CGROUP_GETSOCKOPT,
+		.expected_attach_type = BPF_CGROUP_GETSOCKOPT,
+
+		.get_level = SOL_IP,
+		.get_optname = IP_TOS,
+
+		.get_optval = { 0xF0 },
+		.get_optlen = 1,
+	},
+
+	/* ==================== setsockopt ====================  */
+
+	{
+		.descr = "setsockopt: no expected_attach_type",
+		.insns = {
+			/* return 1 */
+			BPF_MOV64_IMM(BPF_REG_0, 1),
+			BPF_EXIT_INSN(),
+
+		},
+		.attach_type = BPF_CGROUP_SETSOCKOPT,
+		.expected_attach_type = 0,
+		.error = DENY_LOAD,
+	},
+	{
+		.descr = "setsockopt: wrong expected_attach_type",
+		.insns = {
+			/* return 1 */
+			BPF_MOV64_IMM(BPF_REG_0, 1),
+			BPF_EXIT_INSN(),
+
+		},
+		.attach_type = BPF_CGROUP_SETSOCKOPT,
+		.expected_attach_type = BPF_CGROUP_GETSOCKOPT,
+		.error = DENY_ATTACH,
+	},
+	{
+		.descr = "setsockopt: bypass bpf hook",
+		.insns = {
+			/* return 1 */
+			BPF_MOV64_IMM(BPF_REG_0, 1),
+			BPF_EXIT_INSN(),
+		},
+		.attach_type = BPF_CGROUP_SETSOCKOPT,
+		.expected_attach_type = BPF_CGROUP_SETSOCKOPT,
+
+		.get_level = SOL_IP,
+		.set_level = SOL_IP,
+
+		.get_optname = IP_TOS,
+		.set_optname = IP_TOS,
+
+		.set_optval = { 1 << 3 },
+		.set_optlen = 1,
+
+		.get_optval = { 1 << 3 },
+		.get_optlen = 1,
+	},
+	{
+		.descr = "setsockopt: return EPERM from bpf hook",
+		.insns = {
+			/* return 0 */
+			BPF_MOV64_IMM(BPF_REG_0, 0),
+			BPF_EXIT_INSN(),
+		},
+		.attach_type = BPF_CGROUP_SETSOCKOPT,
+		.expected_attach_type = BPF_CGROUP_SETSOCKOPT,
+
+		.set_level = SOL_IP,
+		.set_optname = IP_TOS,
+
+		.set_optlen = 1,
+		.error = EPERM_SETSOCKOPT,
+	},
+	{
+		.descr = "setsockopt: no optval bounds check, deny loading",
+		.insns = {
+			/* r6 = ctx->optval */
+			BPF_LDX_MEM(BPF_DW, BPF_REG_6, BPF_REG_1,
+				    offsetof(struct bpf_sockopt, optval)),
+
+			/* r0 = ctx->optval[0] */
+			BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_6, 0),
+
+			/* return 1 */
+			BPF_MOV64_IMM(BPF_REG_0, 1),
+			BPF_EXIT_INSN(),
+		},
+		.attach_type = BPF_CGROUP_SETSOCKOPT,
+		.expected_attach_type = BPF_CGROUP_SETSOCKOPT,
+		.error = DENY_LOAD,
+	},
+	{
+		.descr = "setsockopt: read ctx->level",
+		.insns = {
+			/* r6 = ctx->level */
+			BPF_LDX_MEM(BPF_W, BPF_REG_6, BPF_REG_1,
+				    offsetof(struct bpf_sockopt, level)),
+
+			/* if (ctx->level == 123) { */
+			BPF_JMP_IMM(BPF_JNE, BPF_REG_6, 123, 4),
+			/* ctx->optlen = -1 */
+			BPF_MOV64_IMM(BPF_REG_0, -1),
+			BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_0,
+				    offsetof(struct bpf_sockopt, optlen)),
+			/* return 1 */
+			BPF_MOV64_IMM(BPF_REG_0, 1),
+			BPF_JMP_A(1),
+			/* } else { */
+			/* return 0 */
+			BPF_MOV64_IMM(BPF_REG_0, 0),
+			/* } */
+			BPF_EXIT_INSN(),
+		},
+		.attach_type = BPF_CGROUP_SETSOCKOPT,
+		.expected_attach_type = BPF_CGROUP_SETSOCKOPT,
+
+		.set_level = 123,
+
+		.set_optlen = 1,
+	},
+	{
+		.descr = "setsockopt: allow changing ctx->level",
+		.insns = {
+			/* ctx->level = SOL_IP */
+			BPF_MOV64_IMM(BPF_REG_0, SOL_IP),
+			BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_0,
+				    offsetof(struct bpf_sockopt, level)),
+			/* return 1 */
+			BPF_MOV64_IMM(BPF_REG_0, 1),
+			BPF_EXIT_INSN(),
+		},
+		.attach_type = BPF_CGROUP_SETSOCKOPT,
+		.expected_attach_type = BPF_CGROUP_SETSOCKOPT,
+
+		.get_level = SOL_IP,
+		.set_level = 234, /* should be rewritten to SOL_IP */
+
+		.get_optname = IP_TOS,
+		.set_optname = IP_TOS,
+
+		.set_optval = { 1 << 3 },
+		.set_optlen = 1,
+		.get_optval = { 1 << 3 },
+		.get_optlen = 1,
+	},
+	{
+		.descr = "setsockopt: read ctx->optname",
+		.insns = {
+			/* r6 = ctx->optname */
+			BPF_LDX_MEM(BPF_W, BPF_REG_6, BPF_REG_1,
+				    offsetof(struct bpf_sockopt, optname)),
+
+			/* if (ctx->optname == 123) { */
+			BPF_JMP_IMM(BPF_JNE, BPF_REG_6, 123, 4),
+			/* ctx->optlen = -1 */
+			BPF_MOV64_IMM(BPF_REG_0, -1),
+			BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_0,
+				    offsetof(struct bpf_sockopt, optlen)),
+			/* return 1 */
+			BPF_MOV64_IMM(BPF_REG_0, 1),
+			BPF_JMP_A(1),
+			/* } else { */
+			/* return 0 */
+			BPF_MOV64_IMM(BPF_REG_0, 0),
+			/* } */
+			BPF_EXIT_INSN(),
+		},
+		.attach_type = BPF_CGROUP_SETSOCKOPT,
+		.expected_attach_type = BPF_CGROUP_SETSOCKOPT,
+
+		.set_optname = 123,
+
+		.set_optlen = 1,
+	},
+	{
+		.descr = "setsockopt: allow changing ctx->optname",
+		.insns = {
+			/* ctx->optname = IP_TOS */
+			BPF_MOV64_IMM(BPF_REG_0, IP_TOS),
+			BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_0,
+				    offsetof(struct bpf_sockopt, optname)),
+			/* return 1 */
+			BPF_MOV64_IMM(BPF_REG_0, 1),
+			BPF_EXIT_INSN(),
+		},
+		.attach_type = BPF_CGROUP_SETSOCKOPT,
+		.expected_attach_type = BPF_CGROUP_SETSOCKOPT,
+
+		.get_level = SOL_IP,
+		.set_level = SOL_IP,
+
+		.get_optname = IP_TOS,
+		.set_optname = 456, /* should be rewritten to IP_TOS */
+
+		.set_optval = { 1 << 3 },
+		.set_optlen = 1,
+		.get_optval = { 1 << 3 },
+		.get_optlen = 1,
+	},
+	{
+		.descr = "setsockopt: read ctx->optlen",
+		.insns = {
+			/* r6 = ctx->optlen */
+			BPF_LDX_MEM(BPF_W, BPF_REG_6, BPF_REG_1,
+				    offsetof(struct bpf_sockopt, optlen)),
+
+			/* if (ctx->optlen == 64) { */
+			BPF_JMP_IMM(BPF_JNE, BPF_REG_6, 64, 4),
+			/* ctx->optlen = -1 */
+			BPF_MOV64_IMM(BPF_REG_0, -1),
+			BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_0,
+				    offsetof(struct bpf_sockopt, optlen)),
+			/* return 1 */
+			BPF_MOV64_IMM(BPF_REG_0, 1),
+			BPF_JMP_A(1),
+			/* } else { */
+			/* return 0 */
+			BPF_MOV64_IMM(BPF_REG_0, 0),
+			/* } */
+			BPF_EXIT_INSN(),
+		},
+		.attach_type = BPF_CGROUP_SETSOCKOPT,
+		.expected_attach_type = BPF_CGROUP_SETSOCKOPT,
+
+		.set_optlen = 64,
+	},
+	{
+		.descr = "setsockopt: ctx->optlen == -1 is ok",
+		.insns = {
+			/* ctx->optlen = -1 */
+			BPF_MOV64_IMM(BPF_REG_0, -1),
+			BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_0,
+				    offsetof(struct bpf_sockopt, optlen)),
+			/* return 1 */
+			BPF_MOV64_IMM(BPF_REG_0, 1),
+			BPF_EXIT_INSN(),
+		},
+		.attach_type = BPF_CGROUP_SETSOCKOPT,
+		.expected_attach_type = BPF_CGROUP_SETSOCKOPT,
+
+		.set_optlen = 64,
+	},
+	{
+		.descr = "setsockopt: deny ctx->optlen < 0 (except -1)",
+		.insns = {
+			/* ctx->optlen = -2 */
+			BPF_MOV64_IMM(BPF_REG_0, -2),
+			BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_0,
+				    offsetof(struct bpf_sockopt, optlen)),
+			/* return 1 */
+			BPF_MOV64_IMM(BPF_REG_0, 1),
+			BPF_EXIT_INSN(),
+		},
+		.attach_type = BPF_CGROUP_SETSOCKOPT,
+		.expected_attach_type = BPF_CGROUP_SETSOCKOPT,
+
+		.set_optlen = 4,
+
+		.error = EFAULT_SETSOCKOPT,
+	},
+	{
+		.descr = "setsockopt: deny ctx->optlen > input optlen",
+		.insns = {
+			/* ctx->optlen = 65 */
+			BPF_MOV64_IMM(BPF_REG_0, 65),
+			BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_0,
+				    offsetof(struct bpf_sockopt, optlen)),
+			BPF_MOV64_IMM(BPF_REG_0, 1),
+			BPF_EXIT_INSN(),
+		},
+		.attach_type = BPF_CGROUP_SETSOCKOPT,
+		.expected_attach_type = BPF_CGROUP_SETSOCKOPT,
+
+		.set_optlen = 64,
+
+		.error = EFAULT_SETSOCKOPT,
+	},
+	{
+		.descr = "setsockopt: allow changing ctx->optlen within bounds",
+		.insns = {
+			/* r6 = ctx->optval */
+			BPF_LDX_MEM(BPF_DW, BPF_REG_6, BPF_REG_1,
+				    offsetof(struct bpf_sockopt, optval)),
+			/* r2 = ctx->optval */
+			BPF_MOV64_REG(BPF_REG_2, BPF_REG_6),
+			/* r6 = ctx->optval + 1 */
+			BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, 1),
+
+			/* r7 = ctx->optval_end */
+			BPF_LDX_MEM(BPF_DW, BPF_REG_7, BPF_REG_1,
+				    offsetof(struct bpf_sockopt, optval_end)),
+
+			/* if (ctx->optval + 1 <= ctx->optval_end) { */
+			BPF_JMP_REG(BPF_JGT, BPF_REG_6, BPF_REG_7, 1),
+			/* ctx->optval[0] = 1 << 3 */
+			BPF_ST_MEM(BPF_B, BPF_REG_2, 0, 1 << 3),
+			/* } */
+
+			/* ctx->optlen = 1 */
+			BPF_MOV64_IMM(BPF_REG_0, 1),
+			BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_0,
+				    offsetof(struct bpf_sockopt, optlen)),
+
+			/* return 1*/
+			BPF_MOV64_IMM(BPF_REG_0, 1),
+			BPF_EXIT_INSN(),
+		},
+		.attach_type = BPF_CGROUP_SETSOCKOPT,
+		.expected_attach_type = BPF_CGROUP_SETSOCKOPT,
+
+		.get_level = SOL_IP,
+		.set_level = SOL_IP,
+
+		.get_optname = IP_TOS,
+		.set_optname = IP_TOS,
+
+		.set_optval = { 1, 1, 1, 1 },
+		.set_optlen = 4,
+		.get_optval = { 1 << 3 },
+		.get_optlen = 1,
+	},
+	{
+		.descr = "setsockopt: deny write ctx->retval",
+		.insns = {
+			/* ctx->retval = 0 */
+			BPF_MOV64_IMM(BPF_REG_0, 0),
+			BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_0,
+				    offsetof(struct bpf_sockopt, retval)),
+
+			/* return 1 */
+			BPF_MOV64_IMM(BPF_REG_0, 1),
+			BPF_EXIT_INSN(),
+		},
+		.attach_type = BPF_CGROUP_SETSOCKOPT,
+		.expected_attach_type = BPF_CGROUP_SETSOCKOPT,
+
+		.error = DENY_LOAD,
+	},
+	{
+		.descr = "setsockopt: deny read ctx->retval",
+		.insns = {
+			/* r6 = ctx->retval */
+			BPF_LDX_MEM(BPF_W, BPF_REG_6, BPF_REG_1,
+				    offsetof(struct bpf_sockopt, retval)),
+
+			/* return 1 */
+			BPF_MOV64_IMM(BPF_REG_0, 1),
+			BPF_EXIT_INSN(),
+		},
+		.attach_type = BPF_CGROUP_SETSOCKOPT,
+		.expected_attach_type = BPF_CGROUP_SETSOCKOPT,
+
+		.error = DENY_LOAD,
+	},
+	{
+		.descr = "setsockopt: deny writing to ctx->optval",
+		.insns = {
+			/* ctx->optval = 1 */
+			BPF_MOV64_IMM(BPF_REG_0, 1),
+			BPF_STX_MEM(BPF_DW, BPF_REG_1, BPF_REG_0,
+				    offsetof(struct bpf_sockopt, optval)),
+			BPF_EXIT_INSN(),
+		},
+		.attach_type = BPF_CGROUP_SETSOCKOPT,
+		.expected_attach_type = BPF_CGROUP_SETSOCKOPT,
+
+		.error = DENY_LOAD,
+	},
+	{
+		.descr = "setsockopt: deny writing to ctx->optval_end",
+		.insns = {
+			/* ctx->optval_end = 1 */
+			BPF_MOV64_IMM(BPF_REG_0, 1),
+			BPF_STX_MEM(BPF_DW, BPF_REG_1, BPF_REG_0,
+				    offsetof(struct bpf_sockopt, optval_end)),
+			BPF_EXIT_INSN(),
+		},
+		.attach_type = BPF_CGROUP_SETSOCKOPT,
+		.expected_attach_type = BPF_CGROUP_SETSOCKOPT,
+
+		.error = DENY_LOAD,
+	},
+	{
+		.descr = "setsockopt: allow IP_TOS <= 128",
+		.insns = {
+			/* r6 = ctx->optval */
+			BPF_LDX_MEM(BPF_DW, BPF_REG_6, BPF_REG_1,
+				    offsetof(struct bpf_sockopt, optval)),
+			/* r7 = ctx->optval + 1 */
+			BPF_MOV64_REG(BPF_REG_7, BPF_REG_6),
+			BPF_ALU64_IMM(BPF_ADD, BPF_REG_7, 1),
+
+			/* r8 = ctx->optval_end */
+			BPF_LDX_MEM(BPF_DW, BPF_REG_8, BPF_REG_1,
+				    offsetof(struct bpf_sockopt, optval_end)),
+
+			/* if (ctx->optval + 1 <= ctx->optval_end) { */
+			BPF_JMP_REG(BPF_JGT, BPF_REG_7, BPF_REG_8, 4),
+
+			/* r9 = ctx->optval[0] */
+			BPF_LDX_MEM(BPF_B, BPF_REG_9, BPF_REG_6, 0),
+
+			/* if (ctx->optval[0] < 128) */
+			BPF_JMP_IMM(BPF_JGT, BPF_REG_9, 128, 2),
+			BPF_MOV64_IMM(BPF_REG_0, 1),
+			BPF_JMP_A(1),
+			/* } */
+
+			/* } else { */
+			BPF_MOV64_IMM(BPF_REG_0, 0),
+			/* } */
+
+			BPF_EXIT_INSN(),
+		},
+		.attach_type = BPF_CGROUP_SETSOCKOPT,
+		.expected_attach_type = BPF_CGROUP_SETSOCKOPT,
+
+		.get_level = SOL_IP,
+		.set_level = SOL_IP,
+
+		.get_optname = IP_TOS,
+		.set_optname = IP_TOS,
+
+		.set_optval = { 0x80 },
+		.set_optlen = 1,
+		.get_optval = { 0x80 },
+		.get_optlen = 1,
+	},
+	{
+		.descr = "setsockopt: deny IP_TOS > 128",
+		.insns = {
+			/* r6 = ctx->optval */
+			BPF_LDX_MEM(BPF_DW, BPF_REG_6, BPF_REG_1,
+				    offsetof(struct bpf_sockopt, optval)),
+			/* r7 = ctx->optval + 1 */
+			BPF_MOV64_REG(BPF_REG_7, BPF_REG_6),
+			BPF_ALU64_IMM(BPF_ADD, BPF_REG_7, 1),
+
+			/* r8 = ctx->optval_end */
+			BPF_LDX_MEM(BPF_DW, BPF_REG_8, BPF_REG_1,
+				    offsetof(struct bpf_sockopt, optval_end)),
+
+			/* if (ctx->optval + 1 <= ctx->optval_end) { */
+			BPF_JMP_REG(BPF_JGT, BPF_REG_7, BPF_REG_8, 4),
+
+			/* r9 = ctx->optval[0] */
+			BPF_LDX_MEM(BPF_B, BPF_REG_9, BPF_REG_6, 0),
+
+			/* if (ctx->optval[0] < 128) */
+			BPF_JMP_IMM(BPF_JGT, BPF_REG_9, 128, 2),
+			BPF_MOV64_IMM(BPF_REG_0, 1),
+			BPF_JMP_A(1),
+			/* } */
+
+			/* } else { */
+			BPF_MOV64_IMM(BPF_REG_0, 0),
+			/* } */
+
+			BPF_EXIT_INSN(),
+		},
+		.attach_type = BPF_CGROUP_SETSOCKOPT,
+		.expected_attach_type = BPF_CGROUP_SETSOCKOPT,
+
+		.get_level = SOL_IP,
+		.set_level = SOL_IP,
+
+		.get_optname = IP_TOS,
+		.set_optname = IP_TOS,
+
+		.set_optval = { 0x81 },
+		.set_optlen = 1,
+		.get_optval = { 0x00 },
+		.get_optlen = 1,
+
+		.error = EPERM_SETSOCKOPT,
+	},
+};
+
+static int load_prog(const struct bpf_insn *insns,
+		     enum bpf_attach_type expected_attach_type)
+{
+	LIBBPF_OPTS(bpf_prog_load_opts, opts,
+		.expected_attach_type = expected_attach_type,
+		.log_level = 2,
+		.log_buf = bpf_log_buf,
+		.log_size = sizeof(bpf_log_buf),
+	);
+	int fd, insns_cnt = 0;
+
+	for (;
+	     insns[insns_cnt].code != (BPF_JMP | BPF_EXIT);
+	     insns_cnt++) {
+	}
+	insns_cnt++;
+
+	fd = bpf_prog_load(BPF_PROG_TYPE_CGROUP_SOCKOPT, NULL, "GPL", insns, insns_cnt, &opts);
+	if (verbose && fd < 0)
+		fprintf(stderr, "%s\n", bpf_log_buf);
+
+	return fd;
+}
+
+static int run_test(int cgroup_fd, struct sockopt_test *test)
+{
+	int sock_fd, err, prog_fd;
+	void *optval = NULL;
+	int ret = 0;
+
+	prog_fd = load_prog(test->insns, test->expected_attach_type);
+	if (prog_fd < 0) {
+		if (test->error == DENY_LOAD)
+			return 0;
+
+		log_err("Failed to load BPF program");
+		return -1;
+	}
+
+	err = bpf_prog_attach(prog_fd, cgroup_fd, test->attach_type, 0);
+	if (err < 0) {
+		if (test->error == DENY_ATTACH)
+			goto close_prog_fd;
+
+		log_err("Failed to attach BPF program");
+		ret = -1;
+		goto close_prog_fd;
+	}
+
+	sock_fd = socket(AF_INET, SOCK_STREAM, 0);
+	if (sock_fd < 0) {
+		log_err("Failed to create AF_INET socket");
+		ret = -1;
+		goto detach_prog;
+	}
+
+	if (test->set_optlen) {
+		err = setsockopt(sock_fd, test->set_level, test->set_optname,
+				 test->set_optval, test->set_optlen);
+		if (err) {
+			if (errno == EPERM && test->error == EPERM_SETSOCKOPT)
+				goto close_sock_fd;
+			if (errno == EFAULT && test->error == EFAULT_SETSOCKOPT)
+				goto free_optval;
+
+			log_err("Failed to call setsockopt");
+			ret = -1;
+			goto close_sock_fd;
+		}
+	}
+
+	if (test->get_optlen) {
+		optval = malloc(test->get_optlen);
+		socklen_t optlen = test->get_optlen;
+		socklen_t expected_get_optlen = test->get_optlen_ret ?:
+			test->get_optlen;
+
+		err = getsockopt(sock_fd, test->get_level, test->get_optname,
+				 optval, &optlen);
+		if (err) {
+			if (errno == EPERM && test->error == EPERM_GETSOCKOPT)
+				goto free_optval;
+			if (errno == EFAULT && test->error == EFAULT_GETSOCKOPT)
+				goto free_optval;
+
+			log_err("Failed to call getsockopt");
+			ret = -1;
+			goto free_optval;
+		}
+
+		if (optlen != expected_get_optlen) {
+			errno = 0;
+			log_err("getsockopt returned unexpected optlen");
+			ret = -1;
+			goto free_optval;
+		}
+
+		if (memcmp(optval, test->get_optval, optlen) != 0) {
+			errno = 0;
+			log_err("getsockopt returned unexpected optval");
+			ret = -1;
+			goto free_optval;
+		}
+	}
+
+	ret = test->error != OK;
+
+free_optval:
+	free(optval);
+close_sock_fd:
+	close(sock_fd);
+detach_prog:
+	bpf_prog_detach2(prog_fd, cgroup_fd, test->attach_type);
+close_prog_fd:
+	close(prog_fd);
+	return ret;
+}
+
+void test_sockopt(void)
+{
+	int cgroup_fd, i;
+
+	cgroup_fd = test__join_cgroup("/sockopt");
+	if (!ASSERT_GE(cgroup_fd, 0, "join_cgroup"))
+		return;
+
+	for (i = 0; i < ARRAY_SIZE(tests); i++) {
+		test__start_subtest(tests[i].descr);
+		ASSERT_OK(run_test(cgroup_fd, &tests[i]), tests[i].descr);
+	}
+
+	close(cgroup_fd);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/sockopt_inherit.c b/tools/testing/selftests/bpf/prog_tests/sockopt_inherit.c
new file mode 100644
index 000000000..60c17a8e2
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/sockopt_inherit.c
@@ -0,0 +1,233 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <test_progs.h>
+#include "cgroup_helpers.h"
+
+#define SOL_CUSTOM			0xdeadbeef
+#define CUSTOM_INHERIT1			0
+#define CUSTOM_INHERIT2			1
+#define CUSTOM_LISTENER			2
+
+static int connect_to_server(int server_fd)
+{
+	struct sockaddr_storage addr;
+	socklen_t len = sizeof(addr);
+	int fd;
+
+	fd = socket(AF_INET, SOCK_STREAM, 0);
+	if (fd < 0) {
+		log_err("Failed to create client socket");
+		return -1;
+	}
+
+	if (getsockname(server_fd, (struct sockaddr *)&addr, &len)) {
+		log_err("Failed to get server addr");
+		goto out;
+	}
+
+	if (connect(fd, (const struct sockaddr *)&addr, len) < 0) {
+		log_err("Fail to connect to server");
+		goto out;
+	}
+
+	return fd;
+
+out:
+	close(fd);
+	return -1;
+}
+
+static int verify_sockopt(int fd, int optname, const char *msg, char expected)
+{
+	socklen_t optlen = 1;
+	char buf = 0;
+	int err;
+
+	err = getsockopt(fd, SOL_CUSTOM, optname, &buf, &optlen);
+	if (err) {
+		log_err("%s: failed to call getsockopt", msg);
+		return 1;
+	}
+
+	printf("%s %d: got=0x%x ? expected=0x%x\n", msg, optname, buf, expected);
+
+	if (buf != expected) {
+		log_err("%s: unexpected getsockopt value %d != %d", msg,
+			buf, expected);
+		return 1;
+	}
+
+	return 0;
+}
+
+static pthread_mutex_t server_started_mtx = PTHREAD_MUTEX_INITIALIZER;
+static pthread_cond_t server_started = PTHREAD_COND_INITIALIZER;
+
+static void *server_thread(void *arg)
+{
+	struct sockaddr_storage addr;
+	socklen_t len = sizeof(addr);
+	int fd = *(int *)arg;
+	int client_fd;
+	int err = 0;
+
+	err = listen(fd, 1);
+
+	pthread_mutex_lock(&server_started_mtx);
+	pthread_cond_signal(&server_started);
+	pthread_mutex_unlock(&server_started_mtx);
+
+	if (!ASSERT_GE(err, 0, "listed on socket"))
+		return NULL;
+
+	err += verify_sockopt(fd, CUSTOM_INHERIT1, "listen", 1);
+	err += verify_sockopt(fd, CUSTOM_INHERIT2, "listen", 1);
+	err += verify_sockopt(fd, CUSTOM_LISTENER, "listen", 1);
+
+	client_fd = accept(fd, (struct sockaddr *)&addr, &len);
+	if (!ASSERT_GE(client_fd, 0, "accept client"))
+		return NULL;
+
+	err += verify_sockopt(client_fd, CUSTOM_INHERIT1, "accept", 1);
+	err += verify_sockopt(client_fd, CUSTOM_INHERIT2, "accept", 1);
+	err += verify_sockopt(client_fd, CUSTOM_LISTENER, "accept", 0);
+
+	close(client_fd);
+
+	return (void *)(long)err;
+}
+
+static int start_server(void)
+{
+	struct sockaddr_in addr = {
+		.sin_family = AF_INET,
+		.sin_addr.s_addr = htonl(INADDR_LOOPBACK),
+	};
+	char buf;
+	int err;
+	int fd;
+	int i;
+
+	fd = socket(AF_INET, SOCK_STREAM, 0);
+	if (fd < 0) {
+		log_err("Failed to create server socket");
+		return -1;
+	}
+
+	for (i = CUSTOM_INHERIT1; i <= CUSTOM_LISTENER; i++) {
+		buf = 0x01;
+		err = setsockopt(fd, SOL_CUSTOM, i, &buf, 1);
+		if (err) {
+			log_err("Failed to call setsockopt(%d)", i);
+			close(fd);
+			return -1;
+		}
+	}
+
+	if (bind(fd, (const struct sockaddr *)&addr, sizeof(addr)) < 0) {
+		log_err("Failed to bind socket");
+		close(fd);
+		return -1;
+	}
+
+	return fd;
+}
+
+static int prog_attach(struct bpf_object *obj, int cgroup_fd, const char *title,
+		       const char *prog_name)
+{
+	enum bpf_attach_type attach_type;
+	enum bpf_prog_type prog_type;
+	struct bpf_program *prog;
+	int err;
+
+	err = libbpf_prog_type_by_name(title, &prog_type, &attach_type);
+	if (err) {
+		log_err("Failed to deduct types for %s BPF program", prog_name);
+		return -1;
+	}
+
+	prog = bpf_object__find_program_by_name(obj, prog_name);
+	if (!prog) {
+		log_err("Failed to find %s BPF program", prog_name);
+		return -1;
+	}
+
+	err = bpf_prog_attach(bpf_program__fd(prog), cgroup_fd,
+			      attach_type, 0);
+	if (err) {
+		log_err("Failed to attach %s BPF program", prog_name);
+		return -1;
+	}
+
+	return 0;
+}
+
+static void run_test(int cgroup_fd)
+{
+	int server_fd = -1, client_fd;
+	struct bpf_object *obj;
+	void *server_err;
+	pthread_t tid;
+	int err;
+
+	obj = bpf_object__open_file("sockopt_inherit.bpf.o", NULL);
+	if (!ASSERT_OK_PTR(obj, "obj_open"))
+		return;
+
+	err = bpf_object__load(obj);
+	if (!ASSERT_OK(err, "obj_load"))
+		goto close_bpf_object;
+
+	err = prog_attach(obj, cgroup_fd, "cgroup/getsockopt", "_getsockopt");
+	if (!ASSERT_OK(err, "prog_attach _getsockopt"))
+		goto close_bpf_object;
+
+	err = prog_attach(obj, cgroup_fd, "cgroup/setsockopt", "_setsockopt");
+	if (!ASSERT_OK(err, "prog_attach _setsockopt"))
+		goto close_bpf_object;
+
+	server_fd = start_server();
+	if (!ASSERT_GE(server_fd, 0, "start_server"))
+		goto close_bpf_object;
+
+	pthread_mutex_lock(&server_started_mtx);
+	if (!ASSERT_OK(pthread_create(&tid, NULL, server_thread,
+				      (void *)&server_fd), "pthread_create")) {
+		pthread_mutex_unlock(&server_started_mtx);
+		goto close_server_fd;
+	}
+	pthread_cond_wait(&server_started, &server_started_mtx);
+	pthread_mutex_unlock(&server_started_mtx);
+
+	client_fd = connect_to_server(server_fd);
+	if (!ASSERT_GE(client_fd, 0, "connect_to_server"))
+		goto close_server_fd;
+
+	ASSERT_OK(verify_sockopt(client_fd, CUSTOM_INHERIT1, "connect", 0), "verify_sockopt1");
+	ASSERT_OK(verify_sockopt(client_fd, CUSTOM_INHERIT2, "connect", 0), "verify_sockopt2");
+	ASSERT_OK(verify_sockopt(client_fd, CUSTOM_LISTENER, "connect", 0), "verify_sockopt ener");
+
+	pthread_join(tid, &server_err);
+
+	err = (int)(long)server_err;
+	ASSERT_OK(err, "pthread_join retval");
+
+	close(client_fd);
+
+close_server_fd:
+	close(server_fd);
+close_bpf_object:
+	bpf_object__close(obj);
+}
+
+void test_sockopt_inherit(void)
+{
+	int cgroup_fd;
+
+	cgroup_fd = test__join_cgroup("/sockopt_inherit");
+	if (!ASSERT_GE(cgroup_fd, 0, "join_cgroup"))
+		return;
+
+	run_test(cgroup_fd);
+	close(cgroup_fd);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/sockopt_multi.c b/tools/testing/selftests/bpf/prog_tests/sockopt_multi.c
new file mode 100644
index 000000000..7f5659349
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/sockopt_multi.c
@@ -0,0 +1,333 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <test_progs.h>
+#include "cgroup_helpers.h"
+
+static int prog_attach(struct bpf_object *obj, int cgroup_fd, const char *title, const char *name)
+{
+	enum bpf_attach_type attach_type;
+	enum bpf_prog_type prog_type;
+	struct bpf_program *prog;
+	int err;
+
+	err = libbpf_prog_type_by_name(title, &prog_type, &attach_type);
+	if (err) {
+		log_err("Failed to deduct types for %s BPF program", title);
+		return -1;
+	}
+
+	prog = bpf_object__find_program_by_name(obj, name);
+	if (!prog) {
+		log_err("Failed to find %s BPF program", name);
+		return -1;
+	}
+
+	err = bpf_prog_attach(bpf_program__fd(prog), cgroup_fd,
+			      attach_type, BPF_F_ALLOW_MULTI);
+	if (err) {
+		log_err("Failed to attach %s BPF program", name);
+		return -1;
+	}
+
+	return 0;
+}
+
+static int prog_detach(struct bpf_object *obj, int cgroup_fd, const char *title, const char *name)
+{
+	enum bpf_attach_type attach_type;
+	enum bpf_prog_type prog_type;
+	struct bpf_program *prog;
+	int err;
+
+	err = libbpf_prog_type_by_name(title, &prog_type, &attach_type);
+	if (err)
+		return -1;
+
+	prog = bpf_object__find_program_by_name(obj, name);
+	if (!prog)
+		return -1;
+
+	err = bpf_prog_detach2(bpf_program__fd(prog), cgroup_fd,
+			       attach_type);
+	if (err)
+		return -1;
+
+	return 0;
+}
+
+static int run_getsockopt_test(struct bpf_object *obj, int cg_parent,
+			       int cg_child, int sock_fd)
+{
+	socklen_t optlen;
+	__u8 buf;
+	int err;
+
+	/* Set IP_TOS to the expected value (0x80). */
+
+	buf = 0x80;
+	err = setsockopt(sock_fd, SOL_IP, IP_TOS, &buf, 1);
+	if (err < 0) {
+		log_err("Failed to call setsockopt(IP_TOS)");
+		goto detach;
+	}
+
+	buf = 0x00;
+	optlen = 1;
+	err = getsockopt(sock_fd, SOL_IP, IP_TOS, &buf, &optlen);
+	if (err) {
+		log_err("Failed to call getsockopt(IP_TOS)");
+		goto detach;
+	}
+
+	if (buf != 0x80) {
+		log_err("Unexpected getsockopt 0x%x != 0x80 without BPF", buf);
+		err = -1;
+		goto detach;
+	}
+
+	/* Attach child program and make sure it returns new value:
+	 * - kernel:      -> 0x80
+	 * - child:  0x80 -> 0x90
+	 */
+
+	err = prog_attach(obj, cg_child, "cgroup/getsockopt", "_getsockopt_child");
+	if (err)
+		goto detach;
+
+	buf = 0x00;
+	optlen = 1;
+	err = getsockopt(sock_fd, SOL_IP, IP_TOS, &buf, &optlen);
+	if (err) {
+		log_err("Failed to call getsockopt(IP_TOS)");
+		goto detach;
+	}
+
+	if (buf != 0x90) {
+		log_err("Unexpected getsockopt 0x%x != 0x90", buf);
+		err = -1;
+		goto detach;
+	}
+
+	/* Attach parent program and make sure it returns new value:
+	 * - kernel:      -> 0x80
+	 * - child:  0x80 -> 0x90
+	 * - parent: 0x90 -> 0xA0
+	 */
+
+	err = prog_attach(obj, cg_parent, "cgroup/getsockopt", "_getsockopt_parent");
+	if (err)
+		goto detach;
+
+	buf = 0x00;
+	optlen = 1;
+	err = getsockopt(sock_fd, SOL_IP, IP_TOS, &buf, &optlen);
+	if (err) {
+		log_err("Failed to call getsockopt(IP_TOS)");
+		goto detach;
+	}
+
+	if (buf != 0xA0) {
+		log_err("Unexpected getsockopt 0x%x != 0xA0", buf);
+		err = -1;
+		goto detach;
+	}
+
+	/* Setting unexpected initial sockopt should return EPERM:
+	 * - kernel: -> 0x40
+	 * - child:  unexpected 0x40, EPERM
+	 * - parent: unexpected 0x40, EPERM
+	 */
+
+	buf = 0x40;
+	err = setsockopt(sock_fd, SOL_IP, IP_TOS, &buf, 1);
+	if (err < 0) {
+		log_err("Failed to call setsockopt(IP_TOS)");
+		goto detach;
+	}
+
+	buf = 0x00;
+	optlen = 1;
+	err = getsockopt(sock_fd, SOL_IP, IP_TOS, &buf, &optlen);
+	if (!err) {
+		log_err("Unexpected success from getsockopt(IP_TOS)");
+		goto detach;
+	}
+
+	/* Detach child program and make sure we still get EPERM:
+	 * - kernel: -> 0x40
+	 * - parent: unexpected 0x40, EPERM
+	 */
+
+	err = prog_detach(obj, cg_child, "cgroup/getsockopt", "_getsockopt_child");
+	if (err) {
+		log_err("Failed to detach child program");
+		goto detach;
+	}
+
+	buf = 0x00;
+	optlen = 1;
+	err = getsockopt(sock_fd, SOL_IP, IP_TOS, &buf, &optlen);
+	if (!err) {
+		log_err("Unexpected success from getsockopt(IP_TOS)");
+		goto detach;
+	}
+
+	/* Set initial value to the one the parent program expects:
+	 * - kernel:      -> 0x90
+	 * - parent: 0x90 -> 0xA0
+	 */
+
+	buf = 0x90;
+	err = setsockopt(sock_fd, SOL_IP, IP_TOS, &buf, 1);
+	if (err < 0) {
+		log_err("Failed to call setsockopt(IP_TOS)");
+		goto detach;
+	}
+
+	buf = 0x00;
+	optlen = 1;
+	err = getsockopt(sock_fd, SOL_IP, IP_TOS, &buf, &optlen);
+	if (err) {
+		log_err("Failed to call getsockopt(IP_TOS)");
+		goto detach;
+	}
+
+	if (buf != 0xA0) {
+		log_err("Unexpected getsockopt 0x%x != 0xA0", buf);
+		err = -1;
+		goto detach;
+	}
+
+detach:
+	prog_detach(obj, cg_child, "cgroup/getsockopt", "_getsockopt_child");
+	prog_detach(obj, cg_parent, "cgroup/getsockopt", "_getsockopt_parent");
+
+	return err;
+}
+
+static int run_setsockopt_test(struct bpf_object *obj, int cg_parent,
+			       int cg_child, int sock_fd)
+{
+	socklen_t optlen;
+	__u8 buf;
+	int err;
+
+	/* Set IP_TOS to the expected value (0x80). */
+
+	buf = 0x80;
+	err = setsockopt(sock_fd, SOL_IP, IP_TOS, &buf, 1);
+	if (err < 0) {
+		log_err("Failed to call setsockopt(IP_TOS)");
+		goto detach;
+	}
+
+	buf = 0x00;
+	optlen = 1;
+	err = getsockopt(sock_fd, SOL_IP, IP_TOS, &buf, &optlen);
+	if (err) {
+		log_err("Failed to call getsockopt(IP_TOS)");
+		goto detach;
+	}
+
+	if (buf != 0x80) {
+		log_err("Unexpected getsockopt 0x%x != 0x80 without BPF", buf);
+		err = -1;
+		goto detach;
+	}
+
+	/* Attach child program and make sure it adds 0x10. */
+
+	err = prog_attach(obj, cg_child, "cgroup/setsockopt", "_setsockopt");
+	if (err)
+		goto detach;
+
+	buf = 0x80;
+	err = setsockopt(sock_fd, SOL_IP, IP_TOS, &buf, 1);
+	if (err < 0) {
+		log_err("Failed to call setsockopt(IP_TOS)");
+		goto detach;
+	}
+
+	buf = 0x00;
+	optlen = 1;
+	err = getsockopt(sock_fd, SOL_IP, IP_TOS, &buf, &optlen);
+	if (err) {
+		log_err("Failed to call getsockopt(IP_TOS)");
+		goto detach;
+	}
+
+	if (buf != 0x80 + 0x10) {
+		log_err("Unexpected getsockopt 0x%x != 0x80 + 0x10", buf);
+		err = -1;
+		goto detach;
+	}
+
+	/* Attach parent program and make sure it adds another 0x10. */
+
+	err = prog_attach(obj, cg_parent, "cgroup/setsockopt", "_setsockopt");
+	if (err)
+		goto detach;
+
+	buf = 0x80;
+	err = setsockopt(sock_fd, SOL_IP, IP_TOS, &buf, 1);
+	if (err < 0) {
+		log_err("Failed to call setsockopt(IP_TOS)");
+		goto detach;
+	}
+
+	buf = 0x00;
+	optlen = 1;
+	err = getsockopt(sock_fd, SOL_IP, IP_TOS, &buf, &optlen);
+	if (err) {
+		log_err("Failed to call getsockopt(IP_TOS)");
+		goto detach;
+	}
+
+	if (buf != 0x80 + 2 * 0x10) {
+		log_err("Unexpected getsockopt 0x%x != 0x80 + 2 * 0x10", buf);
+		err = -1;
+		goto detach;
+	}
+
+detach:
+	prog_detach(obj, cg_child, "cgroup/setsockopt", "_setsockopt");
+	prog_detach(obj, cg_parent, "cgroup/setsockopt", "_setsockopt");
+
+	return err;
+}
+
+void test_sockopt_multi(void)
+{
+	int cg_parent = -1, cg_child = -1;
+	struct bpf_object *obj = NULL;
+	int sock_fd = -1;
+	int err = -1;
+
+	cg_parent = test__join_cgroup("/parent");
+	if (!ASSERT_GE(cg_parent, 0, "join_cgroup /parent"))
+		goto out;
+
+	cg_child = test__join_cgroup("/parent/child");
+	if (!ASSERT_GE(cg_child, 0, "join_cgroup /parent/child"))
+		goto out;
+
+	obj = bpf_object__open_file("sockopt_multi.bpf.o", NULL);
+	if (!ASSERT_OK_PTR(obj, "obj_load"))
+		goto out;
+
+	err = bpf_object__load(obj);
+	if (!ASSERT_OK(err, "obj_load"))
+		goto out;
+
+	sock_fd = socket(AF_INET, SOCK_STREAM, 0);
+	if (!ASSERT_GE(sock_fd, 0, "socket"))
+		goto out;
+
+	ASSERT_OK(run_getsockopt_test(obj, cg_parent, cg_child, sock_fd), "getsockopt_test");
+	ASSERT_OK(run_setsockopt_test(obj, cg_parent, cg_child, sock_fd), "setsockopt_test");
+
+out:
+	close(sock_fd);
+	bpf_object__close(obj);
+	close(cg_child);
+	close(cg_parent);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/sockopt_qos_to_cc.c b/tools/testing/selftests/bpf/prog_tests/sockopt_qos_to_cc.c
new file mode 100644
index 000000000..6b53b3cb8
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/sockopt_qos_to_cc.c
@@ -0,0 +1,70 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2021 Facebook */
+#include <test_progs.h>
+#include <netinet/tcp.h>
+#include "sockopt_qos_to_cc.skel.h"
+
+static void run_setsockopt_test(int cg_fd, int sock_fd)
+{
+	socklen_t optlen;
+	char cc[16]; /* TCP_CA_NAME_MAX */
+	int buf;
+	int err = -1;
+
+	buf = 0x2D;
+	err = setsockopt(sock_fd, SOL_IPV6, IPV6_TCLASS, &buf, sizeof(buf));
+	if (!ASSERT_OK(err, "setsockopt(sock_fd, IPV6_TCLASS)"))
+		return;
+
+	/* Verify the setsockopt cc change */
+	optlen = sizeof(cc);
+	err = getsockopt(sock_fd, SOL_TCP, TCP_CONGESTION, cc, &optlen);
+	if (!ASSERT_OK(err, "getsockopt(sock_fd, TCP_CONGESTION)"))
+		return;
+
+	if (!ASSERT_STREQ(cc, "reno", "getsockopt(sock_fd, TCP_CONGESTION)"))
+		return;
+}
+
+void test_sockopt_qos_to_cc(void)
+{
+	struct sockopt_qos_to_cc *skel;
+	char cc_cubic[16] = "cubic"; /* TCP_CA_NAME_MAX */
+	int cg_fd = -1;
+	int sock_fd = -1;
+	int err;
+
+	cg_fd = test__join_cgroup("/sockopt_qos_to_cc");
+	if (!ASSERT_GE(cg_fd, 0, "cg-join(sockopt_qos_to_cc)"))
+		return;
+
+	skel = sockopt_qos_to_cc__open_and_load();
+	if (!ASSERT_OK_PTR(skel, "skel"))
+		goto done;
+
+	sock_fd = socket(AF_INET6, SOCK_STREAM, 0);
+	if (!ASSERT_GE(sock_fd, 0, "v6 socket open"))
+		goto done;
+
+	err = setsockopt(sock_fd, SOL_TCP, TCP_CONGESTION, &cc_cubic,
+			 sizeof(cc_cubic));
+	if (!ASSERT_OK(err, "setsockopt(sock_fd, TCP_CONGESTION)"))
+		goto done;
+
+	skel->links.sockopt_qos_to_cc =
+		bpf_program__attach_cgroup(skel->progs.sockopt_qos_to_cc,
+					   cg_fd);
+	if (!ASSERT_OK_PTR(skel->links.sockopt_qos_to_cc,
+			   "prog_attach(sockopt_qos_to_cc)"))
+		goto done;
+
+	run_setsockopt_test(cg_fd, sock_fd);
+
+done:
+	if (sock_fd != -1)
+		close(sock_fd);
+	if (cg_fd != -1)
+		close(cg_fd);
+	/* destroy can take null and error pointer */
+	sockopt_qos_to_cc__destroy(skel);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/sockopt_sk.c b/tools/testing/selftests/bpf/prog_tests/sockopt_sk.c
new file mode 100644
index 000000000..05d0e07da
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/sockopt_sk.c
@@ -0,0 +1,259 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <test_progs.h>
+#include "cgroup_helpers.h"
+
+#include <linux/tcp.h>
+#include <linux/netlink.h>
+#include "sockopt_sk.skel.h"
+
+#ifndef SOL_TCP
+#define SOL_TCP IPPROTO_TCP
+#endif
+
+#define SOL_CUSTOM			0xdeadbeef
+
+static int getsetsockopt(void)
+{
+	int fd, err;
+	union {
+		char u8[4];
+		__u32 u32;
+		char cc[16]; /* TCP_CA_NAME_MAX */
+		struct tcp_zerocopy_receive zc;
+	} buf = {};
+	socklen_t optlen;
+	char *big_buf = NULL;
+
+	fd = socket(AF_INET, SOCK_STREAM, 0);
+	if (fd < 0) {
+		log_err("Failed to create socket");
+		return -1;
+	}
+
+	/* IP_TOS - BPF bypass */
+
+	optlen = getpagesize() * 2;
+	big_buf = calloc(1, optlen);
+	if (!big_buf) {
+		log_err("Couldn't allocate two pages");
+		goto err;
+	}
+
+	*(int *)big_buf = 0x08;
+	err = setsockopt(fd, SOL_IP, IP_TOS, big_buf, optlen);
+	if (err) {
+		log_err("Failed to call setsockopt(IP_TOS)");
+		goto err;
+	}
+
+	memset(big_buf, 0, optlen);
+	optlen = 1;
+	err = getsockopt(fd, SOL_IP, IP_TOS, big_buf, &optlen);
+	if (err) {
+		log_err("Failed to call getsockopt(IP_TOS)");
+		goto err;
+	}
+
+	if (*big_buf != 0x08) {
+		log_err("Unexpected getsockopt(IP_TOS) optval 0x%x != 0x08",
+			(int)*big_buf);
+		goto err;
+	}
+
+	/* IP_TTL - EPERM */
+
+	buf.u8[0] = 1;
+	err = setsockopt(fd, SOL_IP, IP_TTL, &buf, 1);
+	if (!err || errno != EPERM) {
+		log_err("Unexpected success from setsockopt(IP_TTL)");
+		goto err;
+	}
+
+	/* SOL_CUSTOM - handled by BPF */
+
+	buf.u8[0] = 0x01;
+	err = setsockopt(fd, SOL_CUSTOM, 0, &buf, 1);
+	if (err) {
+		log_err("Failed to call setsockopt");
+		goto err;
+	}
+
+	buf.u32 = 0x00;
+	optlen = 4;
+	err = getsockopt(fd, SOL_CUSTOM, 0, &buf, &optlen);
+	if (err) {
+		log_err("Failed to call getsockopt");
+		goto err;
+	}
+
+	if (optlen != 1) {
+		log_err("Unexpected optlen %d != 1", optlen);
+		goto err;
+	}
+	if (buf.u8[0] != 0x01) {
+		log_err("Unexpected buf[0] 0x%02x != 0x01", buf.u8[0]);
+		goto err;
+	}
+
+	/* IP_FREEBIND - BPF can't access optval past PAGE_SIZE */
+
+	optlen = getpagesize() * 2;
+	memset(big_buf, 0, optlen);
+
+	err = setsockopt(fd, SOL_IP, IP_FREEBIND, big_buf, optlen);
+	if (err != 0) {
+		log_err("Failed to call setsockopt, ret=%d", err);
+		goto err;
+	}
+
+	err = getsockopt(fd, SOL_IP, IP_FREEBIND, big_buf, &optlen);
+	if (err != 0) {
+		log_err("Failed to call getsockopt, ret=%d", err);
+		goto err;
+	}
+
+	if (optlen != 1 || *(__u8 *)big_buf != 0x55) {
+		log_err("Unexpected IP_FREEBIND getsockopt, optlen=%d, optval=0x%x",
+			optlen, *(__u8 *)big_buf);
+	}
+
+	/* SO_SNDBUF is overwritten */
+
+	buf.u32 = 0x01010101;
+	err = setsockopt(fd, SOL_SOCKET, SO_SNDBUF, &buf, 4);
+	if (err) {
+		log_err("Failed to call setsockopt(SO_SNDBUF)");
+		goto err;
+	}
+
+	buf.u32 = 0x00;
+	optlen = 4;
+	err = getsockopt(fd, SOL_SOCKET, SO_SNDBUF, &buf, &optlen);
+	if (err) {
+		log_err("Failed to call getsockopt(SO_SNDBUF)");
+		goto err;
+	}
+
+	if (buf.u32 != 0x55AA*2) {
+		log_err("Unexpected getsockopt(SO_SNDBUF) 0x%x != 0x55AA*2",
+			buf.u32);
+		goto err;
+	}
+
+	/* TCP_CONGESTION can extend the string */
+
+	strcpy(buf.cc, "nv");
+	err = setsockopt(fd, SOL_TCP, TCP_CONGESTION, &buf, strlen("nv"));
+	if (err) {
+		log_err("Failed to call setsockopt(TCP_CONGESTION)");
+		goto err;
+	}
+
+
+	optlen = sizeof(buf.cc);
+	err = getsockopt(fd, SOL_TCP, TCP_CONGESTION, &buf, &optlen);
+	if (err) {
+		log_err("Failed to call getsockopt(TCP_CONGESTION)");
+		goto err;
+	}
+
+	if (strcmp(buf.cc, "cubic") != 0) {
+		log_err("Unexpected getsockopt(TCP_CONGESTION) %s != %s",
+			buf.cc, "cubic");
+		goto err;
+	}
+
+	/* TCP_ZEROCOPY_RECEIVE triggers */
+	memset(&buf, 0, sizeof(buf));
+	optlen = sizeof(buf.zc);
+	err = getsockopt(fd, SOL_TCP, TCP_ZEROCOPY_RECEIVE, &buf, &optlen);
+	if (err) {
+		log_err("Unexpected getsockopt(TCP_ZEROCOPY_RECEIVE) err=%d errno=%d",
+			err, errno);
+		goto err;
+	}
+
+	memset(&buf, 0, sizeof(buf));
+	buf.zc.address = 12345; /* Not page aligned. Rejected by tcp_zerocopy_receive() */
+	optlen = sizeof(buf.zc);
+	errno = 0;
+	err = getsockopt(fd, SOL_TCP, TCP_ZEROCOPY_RECEIVE, &buf, &optlen);
+	if (errno != EINVAL) {
+		log_err("Unexpected getsockopt(TCP_ZEROCOPY_RECEIVE) err=%d errno=%d",
+			err, errno);
+		goto err;
+	}
+
+	/* optval=NULL case is handled correctly */
+
+	close(fd);
+	fd = socket(AF_NETLINK, SOCK_RAW, 0);
+	if (fd < 0) {
+		log_err("Failed to create AF_NETLINK socket");
+		return -1;
+	}
+
+	buf.u32 = 1;
+	optlen = sizeof(__u32);
+	err = setsockopt(fd, SOL_NETLINK, NETLINK_ADD_MEMBERSHIP, &buf, optlen);
+	if (err) {
+		log_err("Unexpected getsockopt(NETLINK_ADD_MEMBERSHIP) err=%d errno=%d",
+			err, errno);
+		goto err;
+	}
+
+	optlen = 0;
+	err = getsockopt(fd, SOL_NETLINK, NETLINK_LIST_MEMBERSHIPS, NULL, &optlen);
+	if (err) {
+		log_err("Unexpected getsockopt(NETLINK_LIST_MEMBERSHIPS) err=%d errno=%d",
+			err, errno);
+		goto err;
+	}
+	ASSERT_EQ(optlen, 8, "Unexpected NETLINK_LIST_MEMBERSHIPS value");
+
+	free(big_buf);
+	close(fd);
+	return 0;
+err:
+	free(big_buf);
+	close(fd);
+	return -1;
+}
+
+static void run_test(int cgroup_fd)
+{
+	struct sockopt_sk *skel;
+
+	skel = sockopt_sk__open_and_load();
+	if (!ASSERT_OK_PTR(skel, "skel_load"))
+		goto cleanup;
+
+	skel->bss->page_size = getpagesize();
+
+	skel->links._setsockopt =
+		bpf_program__attach_cgroup(skel->progs._setsockopt, cgroup_fd);
+	if (!ASSERT_OK_PTR(skel->links._setsockopt, "setsockopt_link"))
+		goto cleanup;
+
+	skel->links._getsockopt =
+		bpf_program__attach_cgroup(skel->progs._getsockopt, cgroup_fd);
+	if (!ASSERT_OK_PTR(skel->links._getsockopt, "getsockopt_link"))
+		goto cleanup;
+
+	ASSERT_OK(getsetsockopt(), "getsetsockopt");
+
+cleanup:
+	sockopt_sk__destroy(skel);
+}
+
+void test_sockopt_sk(void)
+{
+	int cgroup_fd;
+
+	cgroup_fd = test__join_cgroup("/sockopt_sk");
+	if (!ASSERT_GE(cgroup_fd, 0, "join_cgroup /sockopt_sk"))
+		return;
+
+	run_test(cgroup_fd);
+	close(cgroup_fd);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/spinlock.c b/tools/testing/selftests/bpf/prog_tests/spinlock.c
new file mode 100644
index 000000000..15eb1372d
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/spinlock.c
@@ -0,0 +1,45 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <test_progs.h>
+#include <network_helpers.h>
+
+static void *spin_lock_thread(void *arg)
+{
+	int err, prog_fd = *(u32 *) arg;
+	LIBBPF_OPTS(bpf_test_run_opts, topts,
+		.data_in = &pkt_v4,
+		.data_size_in = sizeof(pkt_v4),
+		.repeat = 10000,
+	);
+
+	err = bpf_prog_test_run_opts(prog_fd, &topts);
+	ASSERT_OK(err, "test_run");
+	ASSERT_OK(topts.retval, "test_run retval");
+	pthread_exit(arg);
+}
+
+void test_spinlock(void)
+{
+	const char *file = "./test_spin_lock.bpf.o";
+	pthread_t thread_id[4];
+	struct bpf_object *obj = NULL;
+	int prog_fd;
+	int err = 0, i;
+	void *ret;
+
+	err = bpf_prog_test_load(file, BPF_PROG_TYPE_CGROUP_SKB, &obj, &prog_fd);
+	if (CHECK_FAIL(err)) {
+		printf("test_spin_lock:bpf_prog_test_load errno %d\n", errno);
+		goto close_prog;
+	}
+	for (i = 0; i < 4; i++)
+		if (CHECK_FAIL(pthread_create(&thread_id[i], NULL,
+					      &spin_lock_thread, &prog_fd)))
+			goto close_prog;
+
+	for (i = 0; i < 4; i++)
+		if (CHECK_FAIL(pthread_join(thread_id[i], &ret) ||
+			       ret != (void *)&prog_fd))
+			goto close_prog;
+close_prog:
+	bpf_object__close(obj);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/stack_var_off.c b/tools/testing/selftests/bpf/prog_tests/stack_var_off.c
new file mode 100644
index 000000000..2ce9deefa
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/stack_var_off.c
@@ -0,0 +1,35 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <test_progs.h>
+#include "test_stack_var_off.skel.h"
+
+/* Test read and writes to the stack performed with offsets that are not
+ * statically known.
+ */
+void test_stack_var_off(void)
+{
+	int duration = 0;
+	struct test_stack_var_off *skel;
+
+	skel = test_stack_var_off__open_and_load();
+	if (CHECK(!skel, "skel_open", "failed to open skeleton\n"))
+		return;
+
+	/* Give pid to bpf prog so it doesn't trigger for anyone else. */
+	skel->bss->test_pid = getpid();
+	/* Initialize the probe's input. */
+	skel->bss->input[0] = 2;
+	skel->bss->input[1] = 42;  /* This will be returned in probe_res. */
+
+	if (!ASSERT_OK(test_stack_var_off__attach(skel), "skel_attach"))
+		goto cleanup;
+
+	/* Trigger probe. */
+	usleep(1);
+
+	if (CHECK(skel->bss->probe_res != 42, "check_probe_res",
+		  "wrong probe res: %d\n", skel->bss->probe_res))
+		goto cleanup;
+
+cleanup:
+	test_stack_var_off__destroy(skel);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/stacktrace_build_id.c b/tools/testing/selftests/bpf/prog_tests/stacktrace_build_id.c
new file mode 100644
index 000000000..9ad09a6c5
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/stacktrace_build_id.c
@@ -0,0 +1,108 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <test_progs.h>
+#include "test_stacktrace_build_id.skel.h"
+
+void test_stacktrace_build_id(void)
+{
+
+	int control_map_fd, stackid_hmap_fd, stackmap_fd, stack_amap_fd;
+	struct test_stacktrace_build_id *skel;
+	int err, stack_trace_len;
+	__u32 key, prev_key, val, duration = 0;
+	char buf[256];
+	int i, j;
+	struct bpf_stack_build_id id_offs[PERF_MAX_STACK_DEPTH];
+	int build_id_matches = 0;
+	int retry = 1;
+
+retry:
+	skel = test_stacktrace_build_id__open_and_load();
+	if (CHECK(!skel, "skel_open_and_load", "skeleton open/load failed\n"))
+		return;
+
+	err = test_stacktrace_build_id__attach(skel);
+	if (CHECK(err, "attach_tp", "err %d\n", err))
+		goto cleanup;
+
+	/* find map fds */
+	control_map_fd = bpf_map__fd(skel->maps.control_map);
+	stackid_hmap_fd = bpf_map__fd(skel->maps.stackid_hmap);
+	stackmap_fd = bpf_map__fd(skel->maps.stackmap);
+	stack_amap_fd = bpf_map__fd(skel->maps.stack_amap);
+
+	if (CHECK_FAIL(system("dd if=/dev/urandom of=/dev/zero count=4 2> /dev/null")))
+		goto cleanup;
+	if (CHECK_FAIL(system("./urandom_read")))
+		goto cleanup;
+	/* disable stack trace collection */
+	key = 0;
+	val = 1;
+	bpf_map_update_elem(control_map_fd, &key, &val, 0);
+
+	/* for every element in stackid_hmap, we can find a corresponding one
+	 * in stackmap, and vise versa.
+	 */
+	err = compare_map_keys(stackid_hmap_fd, stackmap_fd);
+	if (CHECK(err, "compare_map_keys stackid_hmap vs. stackmap",
+		  "err %d errno %d\n", err, errno))
+		goto cleanup;
+
+	err = compare_map_keys(stackmap_fd, stackid_hmap_fd);
+	if (CHECK(err, "compare_map_keys stackmap vs. stackid_hmap",
+		  "err %d errno %d\n", err, errno))
+		goto cleanup;
+
+	err = extract_build_id(buf, 256);
+
+	if (CHECK(err, "get build_id with readelf",
+		  "err %d errno %d\n", err, errno))
+		goto cleanup;
+
+	err = bpf_map__get_next_key(skel->maps.stackmap, NULL, &key, sizeof(key));
+	if (CHECK(err, "get_next_key from stackmap",
+		  "err %d, errno %d\n", err, errno))
+		goto cleanup;
+
+	do {
+		char build_id[64];
+
+		err = bpf_map_lookup_elem(stackmap_fd, &key, id_offs);
+		if (CHECK(err, "lookup_elem from stackmap",
+			  "err %d, errno %d\n", err, errno))
+			goto cleanup;
+		for (i = 0; i < PERF_MAX_STACK_DEPTH; ++i)
+			if (id_offs[i].status == BPF_STACK_BUILD_ID_VALID &&
+			    id_offs[i].offset != 0) {
+				for (j = 0; j < 20; ++j)
+					sprintf(build_id + 2 * j, "%02x",
+						id_offs[i].build_id[j] & 0xff);
+				if (strstr(buf, build_id) != NULL)
+					build_id_matches = 1;
+			}
+		prev_key = key;
+	} while (bpf_map__get_next_key(skel->maps.stackmap, &prev_key, &key, sizeof(key)) == 0);
+
+	/* stack_map_get_build_id_offset() is racy and sometimes can return
+	 * BPF_STACK_BUILD_ID_IP instead of BPF_STACK_BUILD_ID_VALID;
+	 * try it one more time.
+	 */
+	if (build_id_matches < 1 && retry--) {
+		test_stacktrace_build_id__destroy(skel);
+		printf("%s:WARN:Didn't find expected build ID from the map, retrying\n",
+		       __func__);
+		goto retry;
+	}
+
+	if (CHECK(build_id_matches < 1, "build id match",
+		  "Didn't find expected build ID from the map\n"))
+		goto cleanup;
+
+	stack_trace_len = PERF_MAX_STACK_DEPTH *
+			  sizeof(struct bpf_stack_build_id);
+	err = compare_stack_ips(stackmap_fd, stack_amap_fd, stack_trace_len);
+	CHECK(err, "compare_stack_ips stackmap vs. stack_amap",
+	      "err %d errno %d\n", err, errno);
+
+cleanup:
+	test_stacktrace_build_id__destroy(skel);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/stacktrace_build_id_nmi.c b/tools/testing/selftests/bpf/prog_tests/stacktrace_build_id_nmi.c
new file mode 100644
index 000000000..704f7f6c3
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/stacktrace_build_id_nmi.c
@@ -0,0 +1,137 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <test_progs.h>
+#include "test_stacktrace_build_id.skel.h"
+
+void test_stacktrace_build_id_nmi(void)
+{
+	int control_map_fd, stackid_hmap_fd, stackmap_fd;
+	struct test_stacktrace_build_id *skel;
+	int err, pmu_fd;
+	struct perf_event_attr attr = {
+		.freq = 1,
+		.type = PERF_TYPE_HARDWARE,
+		.config = PERF_COUNT_HW_CPU_CYCLES,
+	};
+	__u32 key, prev_key, val, duration = 0;
+	char buf[256];
+	int i, j;
+	struct bpf_stack_build_id id_offs[PERF_MAX_STACK_DEPTH];
+	int build_id_matches = 0;
+	int retry = 1;
+
+	attr.sample_freq = read_perf_max_sample_freq();
+
+retry:
+	skel = test_stacktrace_build_id__open();
+	if (CHECK(!skel, "skel_open", "skeleton open failed\n"))
+		return;
+
+	/* override program type */
+	bpf_program__set_type(skel->progs.oncpu, BPF_PROG_TYPE_PERF_EVENT);
+
+	err = test_stacktrace_build_id__load(skel);
+	if (CHECK(err, "skel_load", "skeleton load failed: %d\n", err))
+		goto cleanup;
+
+	pmu_fd = syscall(__NR_perf_event_open, &attr, -1 /* pid */,
+			 0 /* cpu 0 */, -1 /* group id */,
+			 0 /* flags */);
+	if (pmu_fd < 0 && errno == ENOENT) {
+		printf("%s:SKIP:no PERF_COUNT_HW_CPU_CYCLES\n", __func__);
+		test__skip();
+		goto cleanup;
+	}
+	if (CHECK(pmu_fd < 0, "perf_event_open", "err %d errno %d\n",
+		  pmu_fd, errno))
+		goto cleanup;
+
+	skel->links.oncpu = bpf_program__attach_perf_event(skel->progs.oncpu,
+							   pmu_fd);
+	if (!ASSERT_OK_PTR(skel->links.oncpu, "attach_perf_event")) {
+		close(pmu_fd);
+		goto cleanup;
+	}
+
+	/* find map fds */
+	control_map_fd = bpf_map__fd(skel->maps.control_map);
+	stackid_hmap_fd = bpf_map__fd(skel->maps.stackid_hmap);
+	stackmap_fd = bpf_map__fd(skel->maps.stackmap);
+
+	if (CHECK_FAIL(system("dd if=/dev/urandom of=/dev/zero count=4 2> /dev/null")))
+		goto cleanup;
+	if (CHECK_FAIL(system("taskset 0x1 ./urandom_read 100000")))
+		goto cleanup;
+	/* disable stack trace collection */
+	key = 0;
+	val = 1;
+	bpf_map_update_elem(control_map_fd, &key, &val, 0);
+
+	/* for every element in stackid_hmap, we can find a corresponding one
+	 * in stackmap, and vise versa.
+	 */
+	err = compare_map_keys(stackid_hmap_fd, stackmap_fd);
+	if (CHECK(err, "compare_map_keys stackid_hmap vs. stackmap",
+		  "err %d errno %d\n", err, errno))
+		goto cleanup;
+
+	err = compare_map_keys(stackmap_fd, stackid_hmap_fd);
+	if (CHECK(err, "compare_map_keys stackmap vs. stackid_hmap",
+		  "err %d errno %d\n", err, errno))
+		goto cleanup;
+
+	err = extract_build_id(buf, 256);
+
+	if (CHECK(err, "get build_id with readelf",
+		  "err %d errno %d\n", err, errno))
+		goto cleanup;
+
+	err = bpf_map__get_next_key(skel->maps.stackmap, NULL, &key, sizeof(key));
+	if (CHECK(err, "get_next_key from stackmap",
+		  "err %d, errno %d\n", err, errno))
+		goto cleanup;
+
+	do {
+		char build_id[64];
+
+		err = bpf_map__lookup_elem(skel->maps.stackmap, &key, sizeof(key),
+					   id_offs, sizeof(id_offs), 0);
+		if (CHECK(err, "lookup_elem from stackmap",
+			  "err %d, errno %d\n", err, errno))
+			goto cleanup;
+		for (i = 0; i < PERF_MAX_STACK_DEPTH; ++i)
+			if (id_offs[i].status == BPF_STACK_BUILD_ID_VALID &&
+			    id_offs[i].offset != 0) {
+				for (j = 0; j < 20; ++j)
+					sprintf(build_id + 2 * j, "%02x",
+						id_offs[i].build_id[j] & 0xff);
+				if (strstr(buf, build_id) != NULL)
+					build_id_matches = 1;
+			}
+		prev_key = key;
+	} while (bpf_map__get_next_key(skel->maps.stackmap, &prev_key, &key, sizeof(key)) == 0);
+
+	/* stack_map_get_build_id_offset() is racy and sometimes can return
+	 * BPF_STACK_BUILD_ID_IP instead of BPF_STACK_BUILD_ID_VALID;
+	 * try it one more time.
+	 */
+	if (build_id_matches < 1 && retry--) {
+		test_stacktrace_build_id__destroy(skel);
+		printf("%s:WARN:Didn't find expected build ID from the map, retrying\n",
+		       __func__);
+		goto retry;
+	}
+
+	if (CHECK(build_id_matches < 1, "build id match",
+		  "Didn't find expected build ID from the map\n"))
+		goto cleanup;
+
+	/*
+	 * We intentionally skip compare_stack_ips(). This is because we
+	 * only support one in_nmi() ips-to-build_id translation per cpu
+	 * at any time, thus stack_amap here will always fallback to
+	 * BPF_STACK_BUILD_ID_IP;
+	 */
+
+cleanup:
+	test_stacktrace_build_id__destroy(skel);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/stacktrace_map.c b/tools/testing/selftests/bpf/prog_tests/stacktrace_map.c
new file mode 100644
index 000000000..df59e4ae2
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/stacktrace_map.c
@@ -0,0 +1,75 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <test_progs.h>
+
+void test_stacktrace_map(void)
+{
+	int control_map_fd, stackid_hmap_fd, stackmap_fd, stack_amap_fd;
+	const char *prog_name = "oncpu";
+	int err, prog_fd, stack_trace_len;
+	const char *file = "./test_stacktrace_map.bpf.o";
+	__u32 key, val, duration = 0;
+	struct bpf_program *prog;
+	struct bpf_object *obj;
+	struct bpf_link *link;
+
+	err = bpf_prog_test_load(file, BPF_PROG_TYPE_TRACEPOINT, &obj, &prog_fd);
+	if (CHECK(err, "prog_load", "err %d errno %d\n", err, errno))
+		return;
+
+	prog = bpf_object__find_program_by_name(obj, prog_name);
+	if (CHECK(!prog, "find_prog", "prog '%s' not found\n", prog_name))
+		goto close_prog;
+
+	link = bpf_program__attach_tracepoint(prog, "sched", "sched_switch");
+	if (!ASSERT_OK_PTR(link, "attach_tp"))
+		goto close_prog;
+
+	/* find map fds */
+	control_map_fd = bpf_find_map(__func__, obj, "control_map");
+	if (CHECK_FAIL(control_map_fd < 0))
+		goto disable_pmu;
+
+	stackid_hmap_fd = bpf_find_map(__func__, obj, "stackid_hmap");
+	if (CHECK_FAIL(stackid_hmap_fd < 0))
+		goto disable_pmu;
+
+	stackmap_fd = bpf_find_map(__func__, obj, "stackmap");
+	if (CHECK_FAIL(stackmap_fd < 0))
+		goto disable_pmu;
+
+	stack_amap_fd = bpf_find_map(__func__, obj, "stack_amap");
+	if (CHECK_FAIL(stack_amap_fd < 0))
+		goto disable_pmu;
+
+	/* give some time for bpf program run */
+	sleep(1);
+
+	/* disable stack trace collection */
+	key = 0;
+	val = 1;
+	bpf_map_update_elem(control_map_fd, &key, &val, 0);
+
+	/* for every element in stackid_hmap, we can find a corresponding one
+	 * in stackmap, and vise versa.
+	 */
+	err = compare_map_keys(stackid_hmap_fd, stackmap_fd);
+	if (CHECK(err, "compare_map_keys stackid_hmap vs. stackmap",
+		  "err %d errno %d\n", err, errno))
+		goto disable_pmu;
+
+	err = compare_map_keys(stackmap_fd, stackid_hmap_fd);
+	if (CHECK(err, "compare_map_keys stackmap vs. stackid_hmap",
+		  "err %d errno %d\n", err, errno))
+		goto disable_pmu;
+
+	stack_trace_len = PERF_MAX_STACK_DEPTH * sizeof(__u64);
+	err = compare_stack_ips(stackmap_fd, stack_amap_fd, stack_trace_len);
+	if (CHECK(err, "compare_stack_ips stackmap vs. stack_amap",
+		  "err %d errno %d\n", err, errno))
+		goto disable_pmu;
+
+disable_pmu:
+	bpf_link__destroy(link);
+close_prog:
+	bpf_object__close(obj);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/stacktrace_map_raw_tp.c b/tools/testing/selftests/bpf/prog_tests/stacktrace_map_raw_tp.c
new file mode 100644
index 000000000..c6ef06f55
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/stacktrace_map_raw_tp.c
@@ -0,0 +1,64 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <test_progs.h>
+
+void test_stacktrace_map_raw_tp(void)
+{
+	const char *prog_name = "oncpu";
+	int control_map_fd, stackid_hmap_fd, stackmap_fd;
+	const char *file = "./test_stacktrace_map.bpf.o";
+	__u32 key, val, duration = 0;
+	int err, prog_fd;
+	struct bpf_program *prog;
+	struct bpf_object *obj;
+	struct bpf_link *link = NULL;
+
+	err = bpf_prog_test_load(file, BPF_PROG_TYPE_RAW_TRACEPOINT, &obj, &prog_fd);
+	if (CHECK(err, "prog_load raw tp", "err %d errno %d\n", err, errno))
+		return;
+
+	prog = bpf_object__find_program_by_name(obj, prog_name);
+	if (CHECK(!prog, "find_prog", "prog '%s' not found\n", prog_name))
+		goto close_prog;
+
+	link = bpf_program__attach_raw_tracepoint(prog, "sched_switch");
+	if (!ASSERT_OK_PTR(link, "attach_raw_tp"))
+		goto close_prog;
+
+	/* find map fds */
+	control_map_fd = bpf_find_map(__func__, obj, "control_map");
+	if (CHECK_FAIL(control_map_fd < 0))
+		goto close_prog;
+
+	stackid_hmap_fd = bpf_find_map(__func__, obj, "stackid_hmap");
+	if (CHECK_FAIL(stackid_hmap_fd < 0))
+		goto close_prog;
+
+	stackmap_fd = bpf_find_map(__func__, obj, "stackmap");
+	if (CHECK_FAIL(stackmap_fd < 0))
+		goto close_prog;
+
+	/* give some time for bpf program run */
+	sleep(1);
+
+	/* disable stack trace collection */
+	key = 0;
+	val = 1;
+	bpf_map_update_elem(control_map_fd, &key, &val, 0);
+
+	/* for every element in stackid_hmap, we can find a corresponding one
+	 * in stackmap, and vise versa.
+	 */
+	err = compare_map_keys(stackid_hmap_fd, stackmap_fd);
+	if (CHECK(err, "compare_map_keys stackid_hmap vs. stackmap",
+		  "err %d errno %d\n", err, errno))
+		goto close_prog;
+
+	err = compare_map_keys(stackmap_fd, stackid_hmap_fd);
+	if (CHECK(err, "compare_map_keys stackmap vs. stackid_hmap",
+		  "err %d errno %d\n", err, errno))
+		goto close_prog;
+
+close_prog:
+	bpf_link__destroy(link);
+	bpf_object__close(obj);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/stacktrace_map_skip.c b/tools/testing/selftests/bpf/prog_tests/stacktrace_map_skip.c
new file mode 100644
index 000000000..1932b1e06
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/stacktrace_map_skip.c
@@ -0,0 +1,63 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <test_progs.h>
+#include "stacktrace_map_skip.skel.h"
+
+#define TEST_STACK_DEPTH  2
+
+void test_stacktrace_map_skip(void)
+{
+	struct stacktrace_map_skip *skel;
+	int stackid_hmap_fd, stackmap_fd, stack_amap_fd;
+	int err, stack_trace_len;
+
+	skel = stacktrace_map_skip__open_and_load();
+	if (!ASSERT_OK_PTR(skel, "skel_open_and_load"))
+		return;
+
+	/* find map fds */
+	stackid_hmap_fd = bpf_map__fd(skel->maps.stackid_hmap);
+	if (!ASSERT_GE(stackid_hmap_fd, 0, "stackid_hmap fd"))
+		goto out;
+
+	stackmap_fd = bpf_map__fd(skel->maps.stackmap);
+	if (!ASSERT_GE(stackmap_fd, 0, "stackmap fd"))
+		goto out;
+
+	stack_amap_fd = bpf_map__fd(skel->maps.stack_amap);
+	if (!ASSERT_GE(stack_amap_fd, 0, "stack_amap fd"))
+		goto out;
+
+	skel->bss->pid = getpid();
+
+	err = stacktrace_map_skip__attach(skel);
+	if (!ASSERT_OK(err, "skel_attach"))
+		goto out;
+
+	/* give some time for bpf program run */
+	sleep(1);
+
+	/* disable stack trace collection */
+	skel->bss->control = 1;
+
+	/* for every element in stackid_hmap, we can find a corresponding one
+	 * in stackmap, and vise versa.
+	 */
+	err = compare_map_keys(stackid_hmap_fd, stackmap_fd);
+	if (!ASSERT_OK(err, "compare_map_keys stackid_hmap vs. stackmap"))
+		goto out;
+
+	err = compare_map_keys(stackmap_fd, stackid_hmap_fd);
+	if (!ASSERT_OK(err, "compare_map_keys stackmap vs. stackid_hmap"))
+		goto out;
+
+	stack_trace_len = TEST_STACK_DEPTH * sizeof(__u64);
+	err = compare_stack_ips(stackmap_fd, stack_amap_fd, stack_trace_len);
+	if (!ASSERT_OK(err, "compare_stack_ips stackmap vs. stack_amap"))
+		goto out;
+
+	if (!ASSERT_EQ(skel->bss->failed, 0, "skip_failed"))
+		goto out;
+
+out:
+	stacktrace_map_skip__destroy(skel);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/static_linked.c b/tools/testing/selftests/bpf/prog_tests/static_linked.c
new file mode 100644
index 000000000..5c4e3014e
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/static_linked.c
@@ -0,0 +1,35 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2019 Facebook */
+
+#include <test_progs.h>
+#include "test_static_linked.skel.h"
+
+void test_static_linked(void)
+{
+	int err;
+	struct test_static_linked* skel;
+
+	skel = test_static_linked__open();
+	if (!ASSERT_OK_PTR(skel, "skel_open"))
+		return;
+
+	skel->rodata->rovar1 = 1;
+	skel->rodata->rovar2 = 4;
+
+	err = test_static_linked__load(skel);
+	if (!ASSERT_OK(err, "skel_load"))
+		goto cleanup;
+
+	err = test_static_linked__attach(skel);
+	if (!ASSERT_OK(err, "skel_attach"))
+		goto cleanup;
+
+	/* trigger */
+	usleep(1);
+
+	ASSERT_EQ(skel->data->var1, 1 * 2 + 2 + 3, "var1");
+	ASSERT_EQ(skel->data->var2, 4 * 3 + 5 + 6, "var2");
+
+cleanup:
+	test_static_linked__destroy(skel);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/subprogs.c b/tools/testing/selftests/bpf/prog_tests/subprogs.c
new file mode 100644
index 000000000..903f35a9e
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/subprogs.c
@@ -0,0 +1,96 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2020 Facebook */
+#include <test_progs.h>
+#include "test_subprogs.skel.h"
+#include "test_subprogs_unused.skel.h"
+
+struct toggler_ctx {
+	int fd;
+	bool stop;
+};
+
+static void *toggle_jit_harden(void *arg)
+{
+	struct toggler_ctx *ctx = arg;
+	char two = '2';
+	char zero = '0';
+
+	while (!ctx->stop) {
+		lseek(ctx->fd, SEEK_SET, 0);
+		write(ctx->fd, &two, sizeof(two));
+		lseek(ctx->fd, SEEK_SET, 0);
+		write(ctx->fd, &zero, sizeof(zero));
+	}
+
+	return NULL;
+}
+
+static void test_subprogs_with_jit_harden_toggling(void)
+{
+	struct toggler_ctx ctx;
+	pthread_t toggler;
+	int err;
+	unsigned int i, loop = 10;
+
+	ctx.fd = open("/proc/sys/net/core/bpf_jit_harden", O_RDWR);
+	if (!ASSERT_GE(ctx.fd, 0, "open bpf_jit_harden"))
+		return;
+
+	ctx.stop = false;
+	err = pthread_create(&toggler, NULL, toggle_jit_harden, &ctx);
+	if (!ASSERT_OK(err, "new toggler"))
+		goto out;
+
+	/* Make toggler thread to run */
+	usleep(1);
+
+	for (i = 0; i < loop; i++) {
+		struct test_subprogs *skel = test_subprogs__open_and_load();
+
+		if (!ASSERT_OK_PTR(skel, "skel open"))
+			break;
+		test_subprogs__destroy(skel);
+	}
+
+	ctx.stop = true;
+	pthread_join(toggler, NULL);
+out:
+	close(ctx.fd);
+}
+
+static void test_subprogs_alone(void)
+{
+	struct test_subprogs *skel;
+	struct test_subprogs_unused *skel2;
+	int err;
+
+	skel = test_subprogs__open_and_load();
+	if (!ASSERT_OK_PTR(skel, "skel_open"))
+		return;
+
+	err = test_subprogs__attach(skel);
+	if (!ASSERT_OK(err, "skel attach"))
+		goto cleanup;
+
+	usleep(1);
+
+	ASSERT_EQ(skel->bss->res1, 12, "res1");
+	ASSERT_EQ(skel->bss->res2, 17, "res2");
+	ASSERT_EQ(skel->bss->res3, 19, "res3");
+	ASSERT_EQ(skel->bss->res4, 36, "res4");
+
+	skel2 = test_subprogs_unused__open_and_load();
+	ASSERT_OK_PTR(skel2, "unused_progs_skel");
+	test_subprogs_unused__destroy(skel2);
+
+cleanup:
+	test_subprogs__destroy(skel);
+}
+
+void test_subprogs(void)
+{
+	if (test__start_subtest("subprogs_alone"))
+		test_subprogs_alone();
+	if (test__start_subtest("subprogs_and_jit_harden"))
+		test_subprogs_with_jit_harden_toggling();
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/subskeleton.c b/tools/testing/selftests/bpf/prog_tests/subskeleton.c
new file mode 100644
index 000000000..9c31b7004
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/subskeleton.c
@@ -0,0 +1,78 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) Meta Platforms, Inc. and affiliates. */
+
+#include <test_progs.h>
+#include "test_subskeleton.skel.h"
+#include "test_subskeleton_lib.subskel.h"
+
+static void subskeleton_lib_setup(struct bpf_object *obj)
+{
+	struct test_subskeleton_lib *lib = test_subskeleton_lib__open(obj);
+
+	if (!ASSERT_OK_PTR(lib, "open subskeleton"))
+		return;
+
+	*lib->rodata.var1 = 1;
+	*lib->data.var2 = 2;
+	lib->bss.var3->var3_1 = 3;
+	lib->bss.var3->var3_2 = 4;
+
+	test_subskeleton_lib__destroy(lib);
+}
+
+static int subskeleton_lib_subresult(struct bpf_object *obj)
+{
+	struct test_subskeleton_lib *lib = test_subskeleton_lib__open(obj);
+	int result;
+
+	if (!ASSERT_OK_PTR(lib, "open subskeleton"))
+		return -EINVAL;
+
+	result = *lib->bss.libout1;
+	ASSERT_EQ(result, 1 + 2 + 3 + 4 + 5 + 6, "lib subresult");
+
+	ASSERT_OK_PTR(lib->progs.lib_perf_handler, "lib_perf_handler");
+	ASSERT_STREQ(bpf_program__name(lib->progs.lib_perf_handler),
+		     "lib_perf_handler", "program name");
+
+	ASSERT_OK_PTR(lib->maps.map1, "map1");
+	ASSERT_STREQ(bpf_map__name(lib->maps.map1), "map1", "map name");
+
+	ASSERT_EQ(*lib->data.var5, 5, "__weak var5");
+	ASSERT_EQ(*lib->data.var6, 6, "extern var6");
+	ASSERT_TRUE(*lib->kconfig.CONFIG_BPF_SYSCALL, "CONFIG_BPF_SYSCALL");
+
+	test_subskeleton_lib__destroy(lib);
+	return result;
+}
+
+void test_subskeleton(void)
+{
+	int err, result;
+	struct test_subskeleton *skel;
+
+	skel = test_subskeleton__open();
+	if (!ASSERT_OK_PTR(skel, "skel_open"))
+		return;
+
+	skel->rodata->rovar1 = 10;
+	skel->rodata->var1 = 1;
+	subskeleton_lib_setup(skel->obj);
+
+	err = test_subskeleton__load(skel);
+	if (!ASSERT_OK(err, "skel_load"))
+		goto cleanup;
+
+	err = test_subskeleton__attach(skel);
+	if (!ASSERT_OK(err, "skel_attach"))
+		goto cleanup;
+
+	/* trigger tracepoint */
+	usleep(1);
+
+	result = subskeleton_lib_subresult(skel->obj) * 10;
+	ASSERT_EQ(skel->bss->out1, result, "unexpected calculation");
+
+cleanup:
+	test_subskeleton__destroy(skel);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/syscall.c b/tools/testing/selftests/bpf/prog_tests/syscall.c
new file mode 100644
index 000000000..f4d400011
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/syscall.c
@@ -0,0 +1,55 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2021 Facebook */
+#include <test_progs.h>
+#include "syscall.skel.h"
+
+struct args {
+	__u64 log_buf;
+	__u32 log_size;
+	int max_entries;
+	int map_fd;
+	int prog_fd;
+	int btf_fd;
+};
+
+void test_syscall(void)
+{
+	static char verifier_log[8192];
+	struct args ctx = {
+		.max_entries = 1024,
+		.log_buf = (uintptr_t) verifier_log,
+		.log_size = sizeof(verifier_log),
+	};
+	LIBBPF_OPTS(bpf_test_run_opts, tattr,
+		.ctx_in = &ctx,
+		.ctx_size_in = sizeof(ctx),
+	);
+	struct syscall *skel = NULL;
+	__u64 key = 12, value = 0;
+	int err, prog_fd;
+
+	skel = syscall__open_and_load();
+	if (!ASSERT_OK_PTR(skel, "skel_load"))
+		goto cleanup;
+
+	prog_fd = bpf_program__fd(skel->progs.bpf_prog);
+	err = bpf_prog_test_run_opts(prog_fd, &tattr);
+	ASSERT_EQ(err, 0, "err");
+	ASSERT_EQ(tattr.retval, 1, "retval");
+	ASSERT_GT(ctx.map_fd, 0, "ctx.map_fd");
+	ASSERT_GT(ctx.prog_fd, 0, "ctx.prog_fd");
+	ASSERT_OK(memcmp(verifier_log, "processed", sizeof("processed") - 1),
+		  "verifier_log");
+
+	err = bpf_map_lookup_elem(ctx.map_fd, &key, &value);
+	ASSERT_EQ(err, 0, "map_lookup");
+	ASSERT_EQ(value, 34, "map lookup value");
+cleanup:
+	syscall__destroy(skel);
+	if (ctx.prog_fd > 0)
+		close(ctx.prog_fd);
+	if (ctx.map_fd > 0)
+		close(ctx.map_fd);
+	if (ctx.btf_fd > 0)
+		close(ctx.btf_fd);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/tailcalls.c b/tools/testing/selftests/bpf/prog_tests/tailcalls.c
new file mode 100644
index 000000000..09c189761
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/tailcalls.c
@@ -0,0 +1,913 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <test_progs.h>
+#include <network_helpers.h>
+
+/* test_tailcall_1 checks basic functionality by patching multiple locations
+ * in a single program for a single tail call slot with nop->jmp, jmp->nop
+ * and jmp->jmp rewrites. Also checks for nop->nop.
+ */
+static void test_tailcall_1(void)
+{
+	int err, map_fd, prog_fd, main_fd, i, j;
+	struct bpf_map *prog_array;
+	struct bpf_program *prog;
+	struct bpf_object *obj;
+	char prog_name[32];
+	char buff[128] = {};
+	LIBBPF_OPTS(bpf_test_run_opts, topts,
+		.data_in = buff,
+		.data_size_in = sizeof(buff),
+		.repeat = 1,
+	);
+
+	err = bpf_prog_test_load("tailcall1.bpf.o", BPF_PROG_TYPE_SCHED_CLS, &obj,
+				 &prog_fd);
+	if (CHECK_FAIL(err))
+		return;
+
+	prog = bpf_object__find_program_by_name(obj, "entry");
+	if (CHECK_FAIL(!prog))
+		goto out;
+
+	main_fd = bpf_program__fd(prog);
+	if (CHECK_FAIL(main_fd < 0))
+		goto out;
+
+	prog_array = bpf_object__find_map_by_name(obj, "jmp_table");
+	if (CHECK_FAIL(!prog_array))
+		goto out;
+
+	map_fd = bpf_map__fd(prog_array);
+	if (CHECK_FAIL(map_fd < 0))
+		goto out;
+
+	for (i = 0; i < bpf_map__max_entries(prog_array); i++) {
+		snprintf(prog_name, sizeof(prog_name), "classifier_%d", i);
+
+		prog = bpf_object__find_program_by_name(obj, prog_name);
+		if (CHECK_FAIL(!prog))
+			goto out;
+
+		prog_fd = bpf_program__fd(prog);
+		if (CHECK_FAIL(prog_fd < 0))
+			goto out;
+
+		err = bpf_map_update_elem(map_fd, &i, &prog_fd, BPF_ANY);
+		if (CHECK_FAIL(err))
+			goto out;
+	}
+
+	for (i = 0; i < bpf_map__max_entries(prog_array); i++) {
+		err = bpf_prog_test_run_opts(main_fd, &topts);
+		ASSERT_OK(err, "tailcall");
+		ASSERT_EQ(topts.retval, i, "tailcall retval");
+
+		err = bpf_map_delete_elem(map_fd, &i);
+		if (CHECK_FAIL(err))
+			goto out;
+	}
+
+	err = bpf_prog_test_run_opts(main_fd, &topts);
+	ASSERT_OK(err, "tailcall");
+	ASSERT_EQ(topts.retval, 3, "tailcall retval");
+
+	for (i = 0; i < bpf_map__max_entries(prog_array); i++) {
+		snprintf(prog_name, sizeof(prog_name), "classifier_%d", i);
+
+		prog = bpf_object__find_program_by_name(obj, prog_name);
+		if (CHECK_FAIL(!prog))
+			goto out;
+
+		prog_fd = bpf_program__fd(prog);
+		if (CHECK_FAIL(prog_fd < 0))
+			goto out;
+
+		err = bpf_map_update_elem(map_fd, &i, &prog_fd, BPF_ANY);
+		if (CHECK_FAIL(err))
+			goto out;
+	}
+
+	err = bpf_prog_test_run_opts(main_fd, &topts);
+	ASSERT_OK(err, "tailcall");
+	ASSERT_OK(topts.retval, "tailcall retval");
+
+	for (i = 0; i < bpf_map__max_entries(prog_array); i++) {
+		j = bpf_map__max_entries(prog_array) - 1 - i;
+		snprintf(prog_name, sizeof(prog_name), "classifier_%d", j);
+
+		prog = bpf_object__find_program_by_name(obj, prog_name);
+		if (CHECK_FAIL(!prog))
+			goto out;
+
+		prog_fd = bpf_program__fd(prog);
+		if (CHECK_FAIL(prog_fd < 0))
+			goto out;
+
+		err = bpf_map_update_elem(map_fd, &i, &prog_fd, BPF_ANY);
+		if (CHECK_FAIL(err))
+			goto out;
+	}
+
+	for (i = 0; i < bpf_map__max_entries(prog_array); i++) {
+		j = bpf_map__max_entries(prog_array) - 1 - i;
+
+		err = bpf_prog_test_run_opts(main_fd, &topts);
+		ASSERT_OK(err, "tailcall");
+		ASSERT_EQ(topts.retval, j, "tailcall retval");
+
+		err = bpf_map_delete_elem(map_fd, &i);
+		if (CHECK_FAIL(err))
+			goto out;
+	}
+
+	err = bpf_prog_test_run_opts(main_fd, &topts);
+	ASSERT_OK(err, "tailcall");
+	ASSERT_EQ(topts.retval, 3, "tailcall retval");
+
+	for (i = 0; i < bpf_map__max_entries(prog_array); i++) {
+		err = bpf_map_delete_elem(map_fd, &i);
+		if (CHECK_FAIL(err >= 0 || errno != ENOENT))
+			goto out;
+
+		err = bpf_prog_test_run_opts(main_fd, &topts);
+		ASSERT_OK(err, "tailcall");
+		ASSERT_EQ(topts.retval, 3, "tailcall retval");
+	}
+
+out:
+	bpf_object__close(obj);
+}
+
+/* test_tailcall_2 checks that patching multiple programs for a single
+ * tail call slot works. It also jumps through several programs and tests
+ * the tail call limit counter.
+ */
+static void test_tailcall_2(void)
+{
+	int err, map_fd, prog_fd, main_fd, i;
+	struct bpf_map *prog_array;
+	struct bpf_program *prog;
+	struct bpf_object *obj;
+	char prog_name[32];
+	char buff[128] = {};
+	LIBBPF_OPTS(bpf_test_run_opts, topts,
+		.data_in = buff,
+		.data_size_in = sizeof(buff),
+		.repeat = 1,
+	);
+
+	err = bpf_prog_test_load("tailcall2.bpf.o", BPF_PROG_TYPE_SCHED_CLS, &obj,
+				 &prog_fd);
+	if (CHECK_FAIL(err))
+		return;
+
+	prog = bpf_object__find_program_by_name(obj, "entry");
+	if (CHECK_FAIL(!prog))
+		goto out;
+
+	main_fd = bpf_program__fd(prog);
+	if (CHECK_FAIL(main_fd < 0))
+		goto out;
+
+	prog_array = bpf_object__find_map_by_name(obj, "jmp_table");
+	if (CHECK_FAIL(!prog_array))
+		goto out;
+
+	map_fd = bpf_map__fd(prog_array);
+	if (CHECK_FAIL(map_fd < 0))
+		goto out;
+
+	for (i = 0; i < bpf_map__max_entries(prog_array); i++) {
+		snprintf(prog_name, sizeof(prog_name), "classifier_%d", i);
+
+		prog = bpf_object__find_program_by_name(obj, prog_name);
+		if (CHECK_FAIL(!prog))
+			goto out;
+
+		prog_fd = bpf_program__fd(prog);
+		if (CHECK_FAIL(prog_fd < 0))
+			goto out;
+
+		err = bpf_map_update_elem(map_fd, &i, &prog_fd, BPF_ANY);
+		if (CHECK_FAIL(err))
+			goto out;
+	}
+
+	err = bpf_prog_test_run_opts(main_fd, &topts);
+	ASSERT_OK(err, "tailcall");
+	ASSERT_EQ(topts.retval, 2, "tailcall retval");
+
+	i = 2;
+	err = bpf_map_delete_elem(map_fd, &i);
+	if (CHECK_FAIL(err))
+		goto out;
+
+	err = bpf_prog_test_run_opts(main_fd, &topts);
+	ASSERT_OK(err, "tailcall");
+	ASSERT_EQ(topts.retval, 1, "tailcall retval");
+
+	i = 0;
+	err = bpf_map_delete_elem(map_fd, &i);
+	if (CHECK_FAIL(err))
+		goto out;
+
+	err = bpf_prog_test_run_opts(main_fd, &topts);
+	ASSERT_OK(err, "tailcall");
+	ASSERT_EQ(topts.retval, 3, "tailcall retval");
+out:
+	bpf_object__close(obj);
+}
+
+static void test_tailcall_count(const char *which)
+{
+	int err, map_fd, prog_fd, main_fd, data_fd, i, val;
+	struct bpf_map *prog_array, *data_map;
+	struct bpf_program *prog;
+	struct bpf_object *obj;
+	char buff[128] = {};
+	LIBBPF_OPTS(bpf_test_run_opts, topts,
+		.data_in = buff,
+		.data_size_in = sizeof(buff),
+		.repeat = 1,
+	);
+
+	err = bpf_prog_test_load(which, BPF_PROG_TYPE_SCHED_CLS, &obj,
+			    &prog_fd);
+	if (CHECK_FAIL(err))
+		return;
+
+	prog = bpf_object__find_program_by_name(obj, "entry");
+	if (CHECK_FAIL(!prog))
+		goto out;
+
+	main_fd = bpf_program__fd(prog);
+	if (CHECK_FAIL(main_fd < 0))
+		goto out;
+
+	prog_array = bpf_object__find_map_by_name(obj, "jmp_table");
+	if (CHECK_FAIL(!prog_array))
+		goto out;
+
+	map_fd = bpf_map__fd(prog_array);
+	if (CHECK_FAIL(map_fd < 0))
+		goto out;
+
+	prog = bpf_object__find_program_by_name(obj, "classifier_0");
+	if (CHECK_FAIL(!prog))
+		goto out;
+
+	prog_fd = bpf_program__fd(prog);
+	if (CHECK_FAIL(prog_fd < 0))
+		goto out;
+
+	i = 0;
+	err = bpf_map_update_elem(map_fd, &i, &prog_fd, BPF_ANY);
+	if (CHECK_FAIL(err))
+		goto out;
+
+	err = bpf_prog_test_run_opts(main_fd, &topts);
+	ASSERT_OK(err, "tailcall");
+	ASSERT_EQ(topts.retval, 1, "tailcall retval");
+
+	data_map = bpf_object__find_map_by_name(obj, "tailcall.bss");
+	if (CHECK_FAIL(!data_map || !bpf_map__is_internal(data_map)))
+		goto out;
+
+	data_fd = bpf_map__fd(data_map);
+	if (CHECK_FAIL(data_fd < 0))
+		goto out;
+
+	i = 0;
+	err = bpf_map_lookup_elem(data_fd, &i, &val);
+	ASSERT_OK(err, "tailcall count");
+	ASSERT_EQ(val, 33, "tailcall count");
+
+	i = 0;
+	err = bpf_map_delete_elem(map_fd, &i);
+	if (CHECK_FAIL(err))
+		goto out;
+
+	err = bpf_prog_test_run_opts(main_fd, &topts);
+	ASSERT_OK(err, "tailcall");
+	ASSERT_OK(topts.retval, "tailcall retval");
+out:
+	bpf_object__close(obj);
+}
+
+/* test_tailcall_3 checks that the count value of the tail call limit
+ * enforcement matches with expectations. JIT uses direct jump.
+ */
+static void test_tailcall_3(void)
+{
+	test_tailcall_count("tailcall3.bpf.o");
+}
+
+/* test_tailcall_6 checks that the count value of the tail call limit
+ * enforcement matches with expectations. JIT uses indirect jump.
+ */
+static void test_tailcall_6(void)
+{
+	test_tailcall_count("tailcall6.bpf.o");
+}
+
+/* test_tailcall_4 checks that the kernel properly selects indirect jump
+ * for the case where the key is not known. Latter is passed via global
+ * data to select different targets we can compare return value of.
+ */
+static void test_tailcall_4(void)
+{
+	int err, map_fd, prog_fd, main_fd, data_fd, i;
+	struct bpf_map *prog_array, *data_map;
+	struct bpf_program *prog;
+	struct bpf_object *obj;
+	static const int zero = 0;
+	char buff[128] = {};
+	char prog_name[32];
+	LIBBPF_OPTS(bpf_test_run_opts, topts,
+		.data_in = buff,
+		.data_size_in = sizeof(buff),
+		.repeat = 1,
+	);
+
+	err = bpf_prog_test_load("tailcall4.bpf.o", BPF_PROG_TYPE_SCHED_CLS, &obj,
+				 &prog_fd);
+	if (CHECK_FAIL(err))
+		return;
+
+	prog = bpf_object__find_program_by_name(obj, "entry");
+	if (CHECK_FAIL(!prog))
+		goto out;
+
+	main_fd = bpf_program__fd(prog);
+	if (CHECK_FAIL(main_fd < 0))
+		goto out;
+
+	prog_array = bpf_object__find_map_by_name(obj, "jmp_table");
+	if (CHECK_FAIL(!prog_array))
+		goto out;
+
+	map_fd = bpf_map__fd(prog_array);
+	if (CHECK_FAIL(map_fd < 0))
+		goto out;
+
+	data_map = bpf_object__find_map_by_name(obj, "tailcall.bss");
+	if (CHECK_FAIL(!data_map || !bpf_map__is_internal(data_map)))
+		goto out;
+
+	data_fd = bpf_map__fd(data_map);
+	if (CHECK_FAIL(data_fd < 0))
+		goto out;
+
+	for (i = 0; i < bpf_map__max_entries(prog_array); i++) {
+		snprintf(prog_name, sizeof(prog_name), "classifier_%d", i);
+
+		prog = bpf_object__find_program_by_name(obj, prog_name);
+		if (CHECK_FAIL(!prog))
+			goto out;
+
+		prog_fd = bpf_program__fd(prog);
+		if (CHECK_FAIL(prog_fd < 0))
+			goto out;
+
+		err = bpf_map_update_elem(map_fd, &i, &prog_fd, BPF_ANY);
+		if (CHECK_FAIL(err))
+			goto out;
+	}
+
+	for (i = 0; i < bpf_map__max_entries(prog_array); i++) {
+		err = bpf_map_update_elem(data_fd, &zero, &i, BPF_ANY);
+		if (CHECK_FAIL(err))
+			goto out;
+
+		err = bpf_prog_test_run_opts(main_fd, &topts);
+		ASSERT_OK(err, "tailcall");
+		ASSERT_EQ(topts.retval, i, "tailcall retval");
+	}
+
+	for (i = 0; i < bpf_map__max_entries(prog_array); i++) {
+		err = bpf_map_update_elem(data_fd, &zero, &i, BPF_ANY);
+		if (CHECK_FAIL(err))
+			goto out;
+
+		err = bpf_map_delete_elem(map_fd, &i);
+		if (CHECK_FAIL(err))
+			goto out;
+
+		err = bpf_prog_test_run_opts(main_fd, &topts);
+		ASSERT_OK(err, "tailcall");
+		ASSERT_EQ(topts.retval, 3, "tailcall retval");
+	}
+out:
+	bpf_object__close(obj);
+}
+
+/* test_tailcall_5 probes similarly to test_tailcall_4 that the kernel generates
+ * an indirect jump when the keys are const but different from different branches.
+ */
+static void test_tailcall_5(void)
+{
+	int err, map_fd, prog_fd, main_fd, data_fd, i, key[] = { 1111, 1234, 5678 };
+	struct bpf_map *prog_array, *data_map;
+	struct bpf_program *prog;
+	struct bpf_object *obj;
+	static const int zero = 0;
+	char buff[128] = {};
+	char prog_name[32];
+	LIBBPF_OPTS(bpf_test_run_opts, topts,
+		.data_in = buff,
+		.data_size_in = sizeof(buff),
+		.repeat = 1,
+	);
+
+	err = bpf_prog_test_load("tailcall5.bpf.o", BPF_PROG_TYPE_SCHED_CLS, &obj,
+				 &prog_fd);
+	if (CHECK_FAIL(err))
+		return;
+
+	prog = bpf_object__find_program_by_name(obj, "entry");
+	if (CHECK_FAIL(!prog))
+		goto out;
+
+	main_fd = bpf_program__fd(prog);
+	if (CHECK_FAIL(main_fd < 0))
+		goto out;
+
+	prog_array = bpf_object__find_map_by_name(obj, "jmp_table");
+	if (CHECK_FAIL(!prog_array))
+		goto out;
+
+	map_fd = bpf_map__fd(prog_array);
+	if (CHECK_FAIL(map_fd < 0))
+		goto out;
+
+	data_map = bpf_object__find_map_by_name(obj, "tailcall.bss");
+	if (CHECK_FAIL(!data_map || !bpf_map__is_internal(data_map)))
+		goto out;
+
+	data_fd = bpf_map__fd(data_map);
+	if (CHECK_FAIL(data_fd < 0))
+		goto out;
+
+	for (i = 0; i < bpf_map__max_entries(prog_array); i++) {
+		snprintf(prog_name, sizeof(prog_name), "classifier_%d", i);
+
+		prog = bpf_object__find_program_by_name(obj, prog_name);
+		if (CHECK_FAIL(!prog))
+			goto out;
+
+		prog_fd = bpf_program__fd(prog);
+		if (CHECK_FAIL(prog_fd < 0))
+			goto out;
+
+		err = bpf_map_update_elem(map_fd, &i, &prog_fd, BPF_ANY);
+		if (CHECK_FAIL(err))
+			goto out;
+	}
+
+	for (i = 0; i < bpf_map__max_entries(prog_array); i++) {
+		err = bpf_map_update_elem(data_fd, &zero, &key[i], BPF_ANY);
+		if (CHECK_FAIL(err))
+			goto out;
+
+		err = bpf_prog_test_run_opts(main_fd, &topts);
+		ASSERT_OK(err, "tailcall");
+		ASSERT_EQ(topts.retval, i, "tailcall retval");
+	}
+
+	for (i = 0; i < bpf_map__max_entries(prog_array); i++) {
+		err = bpf_map_update_elem(data_fd, &zero, &key[i], BPF_ANY);
+		if (CHECK_FAIL(err))
+			goto out;
+
+		err = bpf_map_delete_elem(map_fd, &i);
+		if (CHECK_FAIL(err))
+			goto out;
+
+		err = bpf_prog_test_run_opts(main_fd, &topts);
+		ASSERT_OK(err, "tailcall");
+		ASSERT_EQ(topts.retval, 3, "tailcall retval");
+	}
+out:
+	bpf_object__close(obj);
+}
+
+/* test_tailcall_bpf2bpf_1 purpose is to make sure that tailcalls are working
+ * correctly in correlation with BPF subprograms
+ */
+static void test_tailcall_bpf2bpf_1(void)
+{
+	int err, map_fd, prog_fd, main_fd, i;
+	struct bpf_map *prog_array;
+	struct bpf_program *prog;
+	struct bpf_object *obj;
+	char prog_name[32];
+	LIBBPF_OPTS(bpf_test_run_opts, topts,
+		.data_in = &pkt_v4,
+		.data_size_in = sizeof(pkt_v4),
+		.repeat = 1,
+	);
+
+	err = bpf_prog_test_load("tailcall_bpf2bpf1.bpf.o", BPF_PROG_TYPE_SCHED_CLS,
+				 &obj, &prog_fd);
+	if (CHECK_FAIL(err))
+		return;
+
+	prog = bpf_object__find_program_by_name(obj, "entry");
+	if (CHECK_FAIL(!prog))
+		goto out;
+
+	main_fd = bpf_program__fd(prog);
+	if (CHECK_FAIL(main_fd < 0))
+		goto out;
+
+	prog_array = bpf_object__find_map_by_name(obj, "jmp_table");
+	if (CHECK_FAIL(!prog_array))
+		goto out;
+
+	map_fd = bpf_map__fd(prog_array);
+	if (CHECK_FAIL(map_fd < 0))
+		goto out;
+
+	/* nop -> jmp */
+	for (i = 0; i < bpf_map__max_entries(prog_array); i++) {
+		snprintf(prog_name, sizeof(prog_name), "classifier_%d", i);
+
+		prog = bpf_object__find_program_by_name(obj, prog_name);
+		if (CHECK_FAIL(!prog))
+			goto out;
+
+		prog_fd = bpf_program__fd(prog);
+		if (CHECK_FAIL(prog_fd < 0))
+			goto out;
+
+		err = bpf_map_update_elem(map_fd, &i, &prog_fd, BPF_ANY);
+		if (CHECK_FAIL(err))
+			goto out;
+	}
+
+	err = bpf_prog_test_run_opts(main_fd, &topts);
+	ASSERT_OK(err, "tailcall");
+	ASSERT_EQ(topts.retval, 1, "tailcall retval");
+
+	/* jmp -> nop, call subprog that will do tailcall */
+	i = 1;
+	err = bpf_map_delete_elem(map_fd, &i);
+	if (CHECK_FAIL(err))
+		goto out;
+
+	err = bpf_prog_test_run_opts(main_fd, &topts);
+	ASSERT_OK(err, "tailcall");
+	ASSERT_OK(topts.retval, "tailcall retval");
+
+	/* make sure that subprog can access ctx and entry prog that
+	 * called this subprog can properly return
+	 */
+	i = 0;
+	err = bpf_map_delete_elem(map_fd, &i);
+	if (CHECK_FAIL(err))
+		goto out;
+
+	err = bpf_prog_test_run_opts(main_fd, &topts);
+	ASSERT_OK(err, "tailcall");
+	ASSERT_EQ(topts.retval, sizeof(pkt_v4) * 2, "tailcall retval");
+out:
+	bpf_object__close(obj);
+}
+
+/* test_tailcall_bpf2bpf_2 checks that the count value of the tail call limit
+ * enforcement matches with expectations when tailcall is preceded with
+ * bpf2bpf call.
+ */
+static void test_tailcall_bpf2bpf_2(void)
+{
+	int err, map_fd, prog_fd, main_fd, data_fd, i, val;
+	struct bpf_map *prog_array, *data_map;
+	struct bpf_program *prog;
+	struct bpf_object *obj;
+	char buff[128] = {};
+	LIBBPF_OPTS(bpf_test_run_opts, topts,
+		.data_in = buff,
+		.data_size_in = sizeof(buff),
+		.repeat = 1,
+	);
+
+	err = bpf_prog_test_load("tailcall_bpf2bpf2.bpf.o", BPF_PROG_TYPE_SCHED_CLS,
+				 &obj, &prog_fd);
+	if (CHECK_FAIL(err))
+		return;
+
+	prog = bpf_object__find_program_by_name(obj, "entry");
+	if (CHECK_FAIL(!prog))
+		goto out;
+
+	main_fd = bpf_program__fd(prog);
+	if (CHECK_FAIL(main_fd < 0))
+		goto out;
+
+	prog_array = bpf_object__find_map_by_name(obj, "jmp_table");
+	if (CHECK_FAIL(!prog_array))
+		goto out;
+
+	map_fd = bpf_map__fd(prog_array);
+	if (CHECK_FAIL(map_fd < 0))
+		goto out;
+
+	prog = bpf_object__find_program_by_name(obj, "classifier_0");
+	if (CHECK_FAIL(!prog))
+		goto out;
+
+	prog_fd = bpf_program__fd(prog);
+	if (CHECK_FAIL(prog_fd < 0))
+		goto out;
+
+	i = 0;
+	err = bpf_map_update_elem(map_fd, &i, &prog_fd, BPF_ANY);
+	if (CHECK_FAIL(err))
+		goto out;
+
+	err = bpf_prog_test_run_opts(main_fd, &topts);
+	ASSERT_OK(err, "tailcall");
+	ASSERT_EQ(topts.retval, 1, "tailcall retval");
+
+	data_map = bpf_object__find_map_by_name(obj, "tailcall.bss");
+	if (CHECK_FAIL(!data_map || !bpf_map__is_internal(data_map)))
+		goto out;
+
+	data_fd = bpf_map__fd(data_map);
+	if (CHECK_FAIL(data_fd < 0))
+		goto out;
+
+	i = 0;
+	err = bpf_map_lookup_elem(data_fd, &i, &val);
+	ASSERT_OK(err, "tailcall count");
+	ASSERT_EQ(val, 33, "tailcall count");
+
+	i = 0;
+	err = bpf_map_delete_elem(map_fd, &i);
+	if (CHECK_FAIL(err))
+		goto out;
+
+	err = bpf_prog_test_run_opts(main_fd, &topts);
+	ASSERT_OK(err, "tailcall");
+	ASSERT_OK(topts.retval, "tailcall retval");
+out:
+	bpf_object__close(obj);
+}
+
+/* test_tailcall_bpf2bpf_3 checks that non-trivial amount of stack (up to
+ * 256 bytes) can be used within bpf subprograms that have the tailcalls
+ * in them
+ */
+static void test_tailcall_bpf2bpf_3(void)
+{
+	int err, map_fd, prog_fd, main_fd, i;
+	struct bpf_map *prog_array;
+	struct bpf_program *prog;
+	struct bpf_object *obj;
+	char prog_name[32];
+	LIBBPF_OPTS(bpf_test_run_opts, topts,
+		.data_in = &pkt_v4,
+		.data_size_in = sizeof(pkt_v4),
+		.repeat = 1,
+	);
+
+	err = bpf_prog_test_load("tailcall_bpf2bpf3.bpf.o", BPF_PROG_TYPE_SCHED_CLS,
+				 &obj, &prog_fd);
+	if (CHECK_FAIL(err))
+		return;
+
+	prog = bpf_object__find_program_by_name(obj, "entry");
+	if (CHECK_FAIL(!prog))
+		goto out;
+
+	main_fd = bpf_program__fd(prog);
+	if (CHECK_FAIL(main_fd < 0))
+		goto out;
+
+	prog_array = bpf_object__find_map_by_name(obj, "jmp_table");
+	if (CHECK_FAIL(!prog_array))
+		goto out;
+
+	map_fd = bpf_map__fd(prog_array);
+	if (CHECK_FAIL(map_fd < 0))
+		goto out;
+
+	for (i = 0; i < bpf_map__max_entries(prog_array); i++) {
+		snprintf(prog_name, sizeof(prog_name), "classifier_%d", i);
+
+		prog = bpf_object__find_program_by_name(obj, prog_name);
+		if (CHECK_FAIL(!prog))
+			goto out;
+
+		prog_fd = bpf_program__fd(prog);
+		if (CHECK_FAIL(prog_fd < 0))
+			goto out;
+
+		err = bpf_map_update_elem(map_fd, &i, &prog_fd, BPF_ANY);
+		if (CHECK_FAIL(err))
+			goto out;
+	}
+
+	err = bpf_prog_test_run_opts(main_fd, &topts);
+	ASSERT_OK(err, "tailcall");
+	ASSERT_EQ(topts.retval, sizeof(pkt_v4) * 3, "tailcall retval");
+
+	i = 1;
+	err = bpf_map_delete_elem(map_fd, &i);
+	if (CHECK_FAIL(err))
+		goto out;
+
+	err = bpf_prog_test_run_opts(main_fd, &topts);
+	ASSERT_OK(err, "tailcall");
+	ASSERT_EQ(topts.retval, sizeof(pkt_v4), "tailcall retval");
+
+	i = 0;
+	err = bpf_map_delete_elem(map_fd, &i);
+	if (CHECK_FAIL(err))
+		goto out;
+
+	err = bpf_prog_test_run_opts(main_fd, &topts);
+	ASSERT_OK(err, "tailcall");
+	ASSERT_EQ(topts.retval, sizeof(pkt_v4) * 2, "tailcall retval");
+out:
+	bpf_object__close(obj);
+}
+
+#include "tailcall_bpf2bpf4.skel.h"
+
+/* test_tailcall_bpf2bpf_4 checks that tailcall counter is correctly preserved
+ * across tailcalls combined with bpf2bpf calls. for making sure that tailcall
+ * counter behaves correctly, bpf program will go through following flow:
+ *
+ * entry -> entry_subprog -> tailcall0 -> bpf_func0 -> subprog0 ->
+ * -> tailcall1 -> bpf_func1 -> subprog1 -> tailcall2 -> bpf_func2 ->
+ * subprog2 [here bump global counter] --------^
+ *
+ * We go through first two tailcalls and start counting from the subprog2 where
+ * the loop begins. At the end of the test make sure that the global counter is
+ * equal to 31, because tailcall counter includes the first two tailcalls
+ * whereas global counter is incremented only on loop presented on flow above.
+ *
+ * The noise parameter is used to insert bpf_map_update calls into the logic
+ * to force verifier to patch instructions. This allows us to ensure jump
+ * logic remains correct with instruction movement.
+ */
+static void test_tailcall_bpf2bpf_4(bool noise)
+{
+	int err, map_fd, prog_fd, main_fd, data_fd, i;
+	struct tailcall_bpf2bpf4__bss val;
+	struct bpf_map *prog_array, *data_map;
+	struct bpf_program *prog;
+	struct bpf_object *obj;
+	char prog_name[32];
+	LIBBPF_OPTS(bpf_test_run_opts, topts,
+		.data_in = &pkt_v4,
+		.data_size_in = sizeof(pkt_v4),
+		.repeat = 1,
+	);
+
+	err = bpf_prog_test_load("tailcall_bpf2bpf4.bpf.o", BPF_PROG_TYPE_SCHED_CLS,
+				 &obj, &prog_fd);
+	if (CHECK_FAIL(err))
+		return;
+
+	prog = bpf_object__find_program_by_name(obj, "entry");
+	if (CHECK_FAIL(!prog))
+		goto out;
+
+	main_fd = bpf_program__fd(prog);
+	if (CHECK_FAIL(main_fd < 0))
+		goto out;
+
+	prog_array = bpf_object__find_map_by_name(obj, "jmp_table");
+	if (CHECK_FAIL(!prog_array))
+		goto out;
+
+	map_fd = bpf_map__fd(prog_array);
+	if (CHECK_FAIL(map_fd < 0))
+		goto out;
+
+	for (i = 0; i < bpf_map__max_entries(prog_array); i++) {
+		snprintf(prog_name, sizeof(prog_name), "classifier_%d", i);
+
+		prog = bpf_object__find_program_by_name(obj, prog_name);
+		if (CHECK_FAIL(!prog))
+			goto out;
+
+		prog_fd = bpf_program__fd(prog);
+		if (CHECK_FAIL(prog_fd < 0))
+			goto out;
+
+		err = bpf_map_update_elem(map_fd, &i, &prog_fd, BPF_ANY);
+		if (CHECK_FAIL(err))
+			goto out;
+	}
+
+	data_map = bpf_object__find_map_by_name(obj, "tailcall.bss");
+	if (CHECK_FAIL(!data_map || !bpf_map__is_internal(data_map)))
+		goto out;
+
+	data_fd = bpf_map__fd(data_map);
+	if (CHECK_FAIL(data_fd < 0))
+		goto out;
+
+	i = 0;
+	val.noise = noise;
+	val.count = 0;
+	err = bpf_map_update_elem(data_fd, &i, &val, BPF_ANY);
+	if (CHECK_FAIL(err))
+		goto out;
+
+	err = bpf_prog_test_run_opts(main_fd, &topts);
+	ASSERT_OK(err, "tailcall");
+	ASSERT_EQ(topts.retval, sizeof(pkt_v4) * 3, "tailcall retval");
+
+	i = 0;
+	err = bpf_map_lookup_elem(data_fd, &i, &val);
+	ASSERT_OK(err, "tailcall count");
+	ASSERT_EQ(val.count, 31, "tailcall count");
+
+out:
+	bpf_object__close(obj);
+}
+
+#include "tailcall_bpf2bpf6.skel.h"
+
+/* Tail call counting works even when there is data on stack which is
+ * not aligned to 8 bytes.
+ */
+static void test_tailcall_bpf2bpf_6(void)
+{
+	struct tailcall_bpf2bpf6 *obj;
+	int err, map_fd, prog_fd, main_fd, data_fd, i, val;
+	LIBBPF_OPTS(bpf_test_run_opts, topts,
+		.data_in = &pkt_v4,
+		.data_size_in = sizeof(pkt_v4),
+		.repeat = 1,
+	);
+
+	obj = tailcall_bpf2bpf6__open_and_load();
+	if (!ASSERT_OK_PTR(obj, "open and load"))
+		return;
+
+	main_fd = bpf_program__fd(obj->progs.entry);
+	if (!ASSERT_GE(main_fd, 0, "entry prog fd"))
+		goto out;
+
+	map_fd = bpf_map__fd(obj->maps.jmp_table);
+	if (!ASSERT_GE(map_fd, 0, "jmp_table map fd"))
+		goto out;
+
+	prog_fd = bpf_program__fd(obj->progs.classifier_0);
+	if (!ASSERT_GE(prog_fd, 0, "classifier_0 prog fd"))
+		goto out;
+
+	i = 0;
+	err = bpf_map_update_elem(map_fd, &i, &prog_fd, BPF_ANY);
+	if (!ASSERT_OK(err, "jmp_table map update"))
+		goto out;
+
+	err = bpf_prog_test_run_opts(main_fd, &topts);
+	ASSERT_OK(err, "entry prog test run");
+	ASSERT_EQ(topts.retval, 0, "tailcall retval");
+
+	data_fd = bpf_map__fd(obj->maps.bss);
+	if (!ASSERT_GE(data_fd, 0, "bss map fd"))
+		goto out;
+
+	i = 0;
+	err = bpf_map_lookup_elem(data_fd, &i, &val);
+	ASSERT_OK(err, "bss map lookup");
+	ASSERT_EQ(val, 1, "done flag is set");
+
+out:
+	tailcall_bpf2bpf6__destroy(obj);
+}
+
+void test_tailcalls(void)
+{
+	if (test__start_subtest("tailcall_1"))
+		test_tailcall_1();
+	if (test__start_subtest("tailcall_2"))
+		test_tailcall_2();
+	if (test__start_subtest("tailcall_3"))
+		test_tailcall_3();
+	if (test__start_subtest("tailcall_4"))
+		test_tailcall_4();
+	if (test__start_subtest("tailcall_5"))
+		test_tailcall_5();
+	if (test__start_subtest("tailcall_6"))
+		test_tailcall_6();
+	if (test__start_subtest("tailcall_bpf2bpf_1"))
+		test_tailcall_bpf2bpf_1();
+	if (test__start_subtest("tailcall_bpf2bpf_2"))
+		test_tailcall_bpf2bpf_2();
+	if (test__start_subtest("tailcall_bpf2bpf_3"))
+		test_tailcall_bpf2bpf_3();
+	if (test__start_subtest("tailcall_bpf2bpf_4"))
+		test_tailcall_bpf2bpf_4(false);
+	if (test__start_subtest("tailcall_bpf2bpf_5"))
+		test_tailcall_bpf2bpf_4(true);
+	if (test__start_subtest("tailcall_bpf2bpf_6"))
+		test_tailcall_bpf2bpf_6();
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/task_fd_query_rawtp.c b/tools/testing/selftests/bpf/prog_tests/task_fd_query_rawtp.c
new file mode 100644
index 000000000..3d34bab01
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/task_fd_query_rawtp.c
@@ -0,0 +1,75 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <test_progs.h>
+
+void test_task_fd_query_rawtp(void)
+{
+	const char *file = "./test_get_stack_rawtp.bpf.o";
+	__u64 probe_offset, probe_addr;
+	__u32 len, prog_id, fd_type;
+	struct bpf_object *obj;
+	int efd, err, prog_fd;
+	__u32 duration = 0;
+	char buf[256];
+
+	err = bpf_prog_test_load(file, BPF_PROG_TYPE_RAW_TRACEPOINT, &obj, &prog_fd);
+	if (CHECK(err, "prog_load raw tp", "err %d errno %d\n", err, errno))
+		return;
+
+	efd = bpf_raw_tracepoint_open("sys_enter", prog_fd);
+	if (CHECK(efd < 0, "raw_tp_open", "err %d errno %d\n", efd, errno))
+		goto close_prog;
+
+	/* query (getpid(), efd) */
+	len = sizeof(buf);
+	err = bpf_task_fd_query(getpid(), efd, 0, buf, &len, &prog_id,
+				&fd_type, &probe_offset, &probe_addr);
+	if (CHECK(err < 0, "bpf_task_fd_query", "err %d errno %d\n", err,
+		  errno))
+		goto close_prog;
+
+	err = fd_type == BPF_FD_TYPE_RAW_TRACEPOINT &&
+	      strcmp(buf, "sys_enter") == 0;
+	if (CHECK(!err, "check_results", "fd_type %d tp_name %s\n",
+		  fd_type, buf))
+		goto close_prog;
+
+	/* test zero len */
+	len = 0;
+	err = bpf_task_fd_query(getpid(), efd, 0, buf, &len, &prog_id,
+				&fd_type, &probe_offset, &probe_addr);
+	if (CHECK(err < 0, "bpf_task_fd_query (len = 0)", "err %d errno %d\n",
+		  err, errno))
+		goto close_prog;
+	err = fd_type == BPF_FD_TYPE_RAW_TRACEPOINT &&
+	      len == strlen("sys_enter");
+	if (CHECK(!err, "check_results", "fd_type %d len %u\n", fd_type, len))
+		goto close_prog;
+
+	/* test empty buffer */
+	len = sizeof(buf);
+	err = bpf_task_fd_query(getpid(), efd, 0, 0, &len, &prog_id,
+				&fd_type, &probe_offset, &probe_addr);
+	if (CHECK(err < 0, "bpf_task_fd_query (buf = 0)", "err %d errno %d\n",
+		  err, errno))
+		goto close_prog;
+	err = fd_type == BPF_FD_TYPE_RAW_TRACEPOINT &&
+	      len == strlen("sys_enter");
+	if (CHECK(!err, "check_results", "fd_type %d len %u\n", fd_type, len))
+		goto close_prog;
+
+	/* test smaller buffer */
+	len = 3;
+	err = bpf_task_fd_query(getpid(), efd, 0, buf, &len, &prog_id,
+				&fd_type, &probe_offset, &probe_addr);
+	if (CHECK(err >= 0 || errno != ENOSPC, "bpf_task_fd_query (len = 3)",
+		  "err %d errno %d\n", err, errno))
+		goto close_prog;
+	err = fd_type == BPF_FD_TYPE_RAW_TRACEPOINT &&
+	      len == strlen("sys_enter") &&
+	      strcmp(buf, "sy") == 0;
+	if (CHECK(!err, "check_results", "fd_type %d len %u\n", fd_type, len))
+		goto close_prog;
+
+close_prog:
+	bpf_object__close(obj);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/task_fd_query_tp.c b/tools/testing/selftests/bpf/prog_tests/task_fd_query_tp.c
new file mode 100644
index 000000000..c717741bf
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/task_fd_query_tp.c
@@ -0,0 +1,77 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <test_progs.h>
+
+static void test_task_fd_query_tp_core(const char *probe_name,
+				       const char *tp_name)
+{
+	const char *file = "./test_tracepoint.bpf.o";
+	int err, bytes, efd, prog_fd, pmu_fd;
+	struct perf_event_attr attr = {};
+	__u64 probe_offset, probe_addr;
+	__u32 len, prog_id, fd_type;
+	struct bpf_object *obj = NULL;
+	__u32 duration = 0;
+	char buf[256];
+
+	err = bpf_prog_test_load(file, BPF_PROG_TYPE_TRACEPOINT, &obj, &prog_fd);
+	if (CHECK(err, "bpf_prog_test_load", "err %d errno %d\n", err, errno))
+		goto close_prog;
+
+	snprintf(buf, sizeof(buf),
+		 "/sys/kernel/debug/tracing/events/%s/id", probe_name);
+	efd = open(buf, O_RDONLY, 0);
+	if (CHECK(efd < 0, "open", "err %d errno %d\n", efd, errno))
+		goto close_prog;
+	bytes = read(efd, buf, sizeof(buf));
+	close(efd);
+	if (CHECK(bytes <= 0 || bytes >= sizeof(buf), "read",
+		  "bytes %d errno %d\n", bytes, errno))
+		goto close_prog;
+
+	attr.config = strtol(buf, NULL, 0);
+	attr.type = PERF_TYPE_TRACEPOINT;
+	attr.sample_type = PERF_SAMPLE_RAW;
+	attr.sample_period = 1;
+	attr.wakeup_events = 1;
+	pmu_fd = syscall(__NR_perf_event_open, &attr, -1 /* pid */,
+			 0 /* cpu 0 */, -1 /* group id */,
+			 0 /* flags */);
+	if (CHECK(err, "perf_event_open", "err %d errno %d\n", err, errno))
+		goto close_pmu;
+
+	err = ioctl(pmu_fd, PERF_EVENT_IOC_ENABLE, 0);
+	if (CHECK(err, "perf_event_ioc_enable", "err %d errno %d\n", err,
+		  errno))
+		goto close_pmu;
+
+	err = ioctl(pmu_fd, PERF_EVENT_IOC_SET_BPF, prog_fd);
+	if (CHECK(err, "perf_event_ioc_set_bpf", "err %d errno %d\n", err,
+		  errno))
+		goto close_pmu;
+
+	/* query (getpid(), pmu_fd) */
+	len = sizeof(buf);
+	err = bpf_task_fd_query(getpid(), pmu_fd, 0, buf, &len, &prog_id,
+				&fd_type, &probe_offset, &probe_addr);
+	if (CHECK(err < 0, "bpf_task_fd_query", "err %d errno %d\n", err,
+		  errno))
+		goto close_pmu;
+
+	err = (fd_type == BPF_FD_TYPE_TRACEPOINT) && !strcmp(buf, tp_name);
+	if (CHECK(!err, "check_results", "fd_type %d tp_name %s\n",
+		  fd_type, buf))
+		goto close_pmu;
+
+close_pmu:
+	close(pmu_fd);
+close_prog:
+	bpf_object__close(obj);
+}
+
+void test_task_fd_query_tp(void)
+{
+	test_task_fd_query_tp_core("sched/sched_switch",
+				   "sched_switch");
+	test_task_fd_query_tp_core("syscalls/sys_enter_read",
+				   "sys_enter_read");
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/task_local_storage.c b/tools/testing/selftests/bpf/prog_tests/task_local_storage.c
new file mode 100644
index 000000000..035c263aa
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/task_local_storage.c
@@ -0,0 +1,92 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2021 Facebook */
+
+#define _GNU_SOURCE         /* See feature_test_macros(7) */
+#include <unistd.h>
+#include <sys/syscall.h>   /* For SYS_xxx definitions */
+#include <sys/types.h>
+#include <test_progs.h>
+#include "task_local_storage.skel.h"
+#include "task_local_storage_exit_creds.skel.h"
+#include "task_ls_recursion.skel.h"
+
+static void test_sys_enter_exit(void)
+{
+	struct task_local_storage *skel;
+	int err;
+
+	skel = task_local_storage__open_and_load();
+	if (!ASSERT_OK_PTR(skel, "skel_open_and_load"))
+		return;
+
+	skel->bss->target_pid = syscall(SYS_gettid);
+
+	err = task_local_storage__attach(skel);
+	if (!ASSERT_OK(err, "skel_attach"))
+		goto out;
+
+	syscall(SYS_gettid);
+	syscall(SYS_gettid);
+
+	/* 3x syscalls: 1x attach and 2x gettid */
+	ASSERT_EQ(skel->bss->enter_cnt, 3, "enter_cnt");
+	ASSERT_EQ(skel->bss->exit_cnt, 3, "exit_cnt");
+	ASSERT_EQ(skel->bss->mismatch_cnt, 0, "mismatch_cnt");
+out:
+	task_local_storage__destroy(skel);
+}
+
+static void test_exit_creds(void)
+{
+	struct task_local_storage_exit_creds *skel;
+	int err;
+
+	skel = task_local_storage_exit_creds__open_and_load();
+	if (!ASSERT_OK_PTR(skel, "skel_open_and_load"))
+		return;
+
+	err = task_local_storage_exit_creds__attach(skel);
+	if (!ASSERT_OK(err, "skel_attach"))
+		goto out;
+
+	/* trigger at least one exit_creds() */
+	if (CHECK_FAIL(system("ls > /dev/null")))
+		goto out;
+
+	/* sync rcu to make sure exit_creds() is called for "ls" */
+	kern_sync_rcu();
+	ASSERT_EQ(skel->bss->valid_ptr_count, 0, "valid_ptr_count");
+	ASSERT_NEQ(skel->bss->null_ptr_count, 0, "null_ptr_count");
+out:
+	task_local_storage_exit_creds__destroy(skel);
+}
+
+static void test_recursion(void)
+{
+	struct task_ls_recursion *skel;
+	int err;
+
+	skel = task_ls_recursion__open_and_load();
+	if (!ASSERT_OK_PTR(skel, "skel_open_and_load"))
+		return;
+
+	err = task_ls_recursion__attach(skel);
+	if (!ASSERT_OK(err, "skel_attach"))
+		goto out;
+
+	/* trigger sys_enter, make sure it does not cause deadlock */
+	syscall(SYS_gettid);
+
+out:
+	task_ls_recursion__destroy(skel);
+}
+
+void test_task_local_storage(void)
+{
+	if (test__start_subtest("sys_enter_exit"))
+		test_sys_enter_exit();
+	if (test__start_subtest("exit_creds"))
+		test_exit_creds();
+	if (test__start_subtest("recursion"))
+		test_recursion();
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/task_pt_regs.c b/tools/testing/selftests/bpf/prog_tests/task_pt_regs.c
new file mode 100644
index 000000000..f000734a3
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/task_pt_regs.c
@@ -0,0 +1,50 @@
+// SPDX-License-Identifier: GPL-2.0
+#define _GNU_SOURCE
+#include <test_progs.h>
+#include "test_task_pt_regs.skel.h"
+
+/* uprobe attach point */
+static noinline void trigger_func(void)
+{
+	asm volatile ("");
+}
+
+void test_task_pt_regs(void)
+{
+	struct test_task_pt_regs *skel;
+	struct bpf_link *uprobe_link;
+	ssize_t uprobe_offset;
+	bool match;
+
+	uprobe_offset = get_uprobe_offset(&trigger_func);
+	if (!ASSERT_GE(uprobe_offset, 0, "uprobe_offset"))
+		return;
+
+	skel = test_task_pt_regs__open_and_load();
+	if (!ASSERT_OK_PTR(skel, "skel_open"))
+		return;
+	if (!ASSERT_OK_PTR(skel->bss, "check_bss"))
+		goto cleanup;
+
+	uprobe_link = bpf_program__attach_uprobe(skel->progs.handle_uprobe,
+						 false /* retprobe */,
+						 0 /* self pid */,
+						 "/proc/self/exe",
+						 uprobe_offset);
+	if (!ASSERT_OK_PTR(uprobe_link, "attach_uprobe"))
+		goto cleanup;
+	skel->links.handle_uprobe = uprobe_link;
+
+	/* trigger & validate uprobe */
+	trigger_func();
+
+	if (!ASSERT_EQ(skel->bss->uprobe_res, 1, "check_uprobe_res"))
+		goto cleanup;
+
+	match = !memcmp(&skel->bss->current_regs, &skel->bss->ctx_regs,
+			sizeof(skel->bss->current_regs));
+	ASSERT_TRUE(match, "check_regs_match");
+
+cleanup:
+	test_task_pt_regs__destroy(skel);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/tc_bpf.c b/tools/testing/selftests/bpf/prog_tests/tc_bpf.c
new file mode 100644
index 000000000..4a505a5ad
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/tc_bpf.c
@@ -0,0 +1,395 @@
+// SPDX-License-Identifier: GPL-2.0
+
+#include <test_progs.h>
+#include <linux/pkt_cls.h>
+
+#include "test_tc_bpf.skel.h"
+
+#define LO_IFINDEX 1
+
+#define TEST_DECLARE_OPTS(__fd)                                                                   \
+	DECLARE_LIBBPF_OPTS(bpf_tc_opts, opts_h, .handle = 1);                                     \
+	DECLARE_LIBBPF_OPTS(bpf_tc_opts, opts_p, .priority = 1);                                   \
+	DECLARE_LIBBPF_OPTS(bpf_tc_opts, opts_f, .prog_fd = __fd);                                 \
+	DECLARE_LIBBPF_OPTS(bpf_tc_opts, opts_hp, .handle = 1, .priority = 1);                     \
+	DECLARE_LIBBPF_OPTS(bpf_tc_opts, opts_hf, .handle = 1, .prog_fd = __fd);                   \
+	DECLARE_LIBBPF_OPTS(bpf_tc_opts, opts_pf, .priority = 1, .prog_fd = __fd);                 \
+	DECLARE_LIBBPF_OPTS(bpf_tc_opts, opts_hpf, .handle = 1, .priority = 1, .prog_fd = __fd);   \
+	DECLARE_LIBBPF_OPTS(bpf_tc_opts, opts_hpi, .handle = 1, .priority = 1, .prog_id = 42);     \
+	DECLARE_LIBBPF_OPTS(bpf_tc_opts, opts_hpr, .handle = 1, .priority = 1,                     \
+			    .flags = BPF_TC_F_REPLACE);                                            \
+	DECLARE_LIBBPF_OPTS(bpf_tc_opts, opts_hpfi, .handle = 1, .priority = 1, .prog_fd = __fd,   \
+			    .prog_id = 42);                                                        \
+	DECLARE_LIBBPF_OPTS(bpf_tc_opts, opts_prio_max, .handle = 1, .priority = UINT16_MAX + 1);
+
+static int test_tc_bpf_basic(const struct bpf_tc_hook *hook, int fd)
+{
+	DECLARE_LIBBPF_OPTS(bpf_tc_opts, opts, .handle = 1, .priority = 1, .prog_fd = fd);
+	struct bpf_prog_info info = {};
+	__u32 info_len = sizeof(info);
+	int ret;
+
+	ret = bpf_obj_get_info_by_fd(fd, &info, &info_len);
+	if (!ASSERT_OK(ret, "bpf_obj_get_info_by_fd"))
+		return ret;
+
+	ret = bpf_tc_attach(hook, &opts);
+	if (!ASSERT_OK(ret, "bpf_tc_attach"))
+		return ret;
+
+	if (!ASSERT_EQ(opts.handle, 1, "handle set") ||
+	    !ASSERT_EQ(opts.priority, 1, "priority set") ||
+	    !ASSERT_EQ(opts.prog_id, info.id, "prog_id set"))
+		goto end;
+
+	opts.prog_id = 0;
+	opts.flags = BPF_TC_F_REPLACE;
+	ret = bpf_tc_attach(hook, &opts);
+	if (!ASSERT_OK(ret, "bpf_tc_attach replace mode"))
+		goto end;
+
+	opts.flags = opts.prog_fd = opts.prog_id = 0;
+	ret = bpf_tc_query(hook, &opts);
+	if (!ASSERT_OK(ret, "bpf_tc_query"))
+		goto end;
+
+	if (!ASSERT_EQ(opts.handle, 1, "handle set") ||
+	    !ASSERT_EQ(opts.priority, 1, "priority set") ||
+	    !ASSERT_EQ(opts.prog_id, info.id, "prog_id set"))
+		goto end;
+
+end:
+	opts.flags = opts.prog_fd = opts.prog_id = 0;
+	ret = bpf_tc_detach(hook, &opts);
+	ASSERT_OK(ret, "bpf_tc_detach");
+	return ret;
+}
+
+static int test_tc_bpf_api(struct bpf_tc_hook *hook, int fd)
+{
+	DECLARE_LIBBPF_OPTS(bpf_tc_opts, attach_opts, .handle = 1, .priority = 1, .prog_fd = fd);
+	DECLARE_LIBBPF_OPTS(bpf_tc_hook, inv_hook, .attach_point = BPF_TC_INGRESS);
+	DECLARE_LIBBPF_OPTS(bpf_tc_opts, opts, .handle = 1, .priority = 1);
+	int ret;
+
+	ret = bpf_tc_hook_create(NULL);
+	if (!ASSERT_EQ(ret, -EINVAL, "bpf_tc_hook_create invalid hook = NULL"))
+		return -EINVAL;
+
+	/* hook ifindex = 0 */
+	ret = bpf_tc_hook_create(&inv_hook);
+	if (!ASSERT_EQ(ret, -EINVAL, "bpf_tc_hook_create invalid hook ifindex == 0"))
+		return -EINVAL;
+
+	ret = bpf_tc_hook_destroy(&inv_hook);
+	if (!ASSERT_EQ(ret, -EINVAL, "bpf_tc_hook_destroy invalid hook ifindex == 0"))
+		return -EINVAL;
+
+	ret = bpf_tc_attach(&inv_hook, &attach_opts);
+	if (!ASSERT_EQ(ret, -EINVAL, "bpf_tc_attach invalid hook ifindex == 0"))
+		return -EINVAL;
+	attach_opts.prog_id = 0;
+
+	ret = bpf_tc_detach(&inv_hook, &opts);
+	if (!ASSERT_EQ(ret, -EINVAL, "bpf_tc_detach invalid hook ifindex == 0"))
+		return -EINVAL;
+
+	ret = bpf_tc_query(&inv_hook, &opts);
+	if (!ASSERT_EQ(ret, -EINVAL, "bpf_tc_query invalid hook ifindex == 0"))
+		return -EINVAL;
+
+	/* hook ifindex < 0 */
+	inv_hook.ifindex = -1;
+
+	ret = bpf_tc_hook_create(&inv_hook);
+	if (!ASSERT_EQ(ret, -EINVAL, "bpf_tc_hook_create invalid hook ifindex < 0"))
+		return -EINVAL;
+
+	ret = bpf_tc_hook_destroy(&inv_hook);
+	if (!ASSERT_EQ(ret, -EINVAL, "bpf_tc_hook_destroy invalid hook ifindex < 0"))
+		return -EINVAL;
+
+	ret = bpf_tc_attach(&inv_hook, &attach_opts);
+	if (!ASSERT_EQ(ret, -EINVAL, "bpf_tc_attach invalid hook ifindex < 0"))
+		return -EINVAL;
+	attach_opts.prog_id = 0;
+
+	ret = bpf_tc_detach(&inv_hook, &opts);
+	if (!ASSERT_EQ(ret, -EINVAL, "bpf_tc_detach invalid hook ifindex < 0"))
+		return -EINVAL;
+
+	ret = bpf_tc_query(&inv_hook, &opts);
+	if (!ASSERT_EQ(ret, -EINVAL, "bpf_tc_query invalid hook ifindex < 0"))
+		return -EINVAL;
+
+	inv_hook.ifindex = LO_IFINDEX;
+
+	/* hook.attach_point invalid */
+	inv_hook.attach_point = 0xabcd;
+	ret = bpf_tc_hook_create(&inv_hook);
+	if (!ASSERT_EQ(ret, -EINVAL, "bpf_tc_hook_create invalid hook.attach_point"))
+		return -EINVAL;
+
+	ret = bpf_tc_hook_destroy(&inv_hook);
+	if (!ASSERT_EQ(ret, -EINVAL, "bpf_tc_hook_destroy invalid hook.attach_point"))
+		return -EINVAL;
+
+	ret = bpf_tc_attach(&inv_hook, &attach_opts);
+	if (!ASSERT_EQ(ret, -EINVAL, "bpf_tc_attach invalid hook.attach_point"))
+		return -EINVAL;
+
+	ret = bpf_tc_detach(&inv_hook, &opts);
+	if (!ASSERT_EQ(ret, -EINVAL, "bpf_tc_detach invalid hook.attach_point"))
+		return -EINVAL;
+
+	ret = bpf_tc_query(&inv_hook, &opts);
+	if (!ASSERT_EQ(ret, -EINVAL, "bpf_tc_query invalid hook.attach_point"))
+		return -EINVAL;
+
+	inv_hook.attach_point = BPF_TC_INGRESS;
+
+	/* hook.attach_point valid, but parent invalid */
+	inv_hook.parent = TC_H_MAKE(1UL << 16, 10);
+	ret = bpf_tc_hook_create(&inv_hook);
+	if (!ASSERT_EQ(ret, -EINVAL, "bpf_tc_hook_create invalid hook parent"))
+		return -EINVAL;
+
+	ret = bpf_tc_hook_destroy(&inv_hook);
+	if (!ASSERT_EQ(ret, -EINVAL, "bpf_tc_hook_destroy invalid hook parent"))
+		return -EINVAL;
+
+	ret = bpf_tc_attach(&inv_hook, &attach_opts);
+	if (!ASSERT_EQ(ret, -EINVAL, "bpf_tc_attach invalid hook parent"))
+		return -EINVAL;
+
+	ret = bpf_tc_detach(&inv_hook, &opts);
+	if (!ASSERT_EQ(ret, -EINVAL, "bpf_tc_detach invalid hook parent"))
+		return -EINVAL;
+
+	ret = bpf_tc_query(&inv_hook, &opts);
+	if (!ASSERT_EQ(ret, -EINVAL, "bpf_tc_query invalid hook parent"))
+		return -EINVAL;
+
+	inv_hook.attach_point = BPF_TC_CUSTOM;
+	inv_hook.parent = 0;
+	/* These return EOPNOTSUPP instead of EINVAL as parent is checked after
+	 * attach_point of the hook.
+	 */
+	ret = bpf_tc_hook_create(&inv_hook);
+	if (!ASSERT_EQ(ret, -EOPNOTSUPP, "bpf_tc_hook_create invalid hook parent"))
+		return -EINVAL;
+
+	ret = bpf_tc_hook_destroy(&inv_hook);
+	if (!ASSERT_EQ(ret, -EOPNOTSUPP, "bpf_tc_hook_destroy invalid hook parent"))
+		return -EINVAL;
+
+	ret = bpf_tc_attach(&inv_hook, &attach_opts);
+	if (!ASSERT_EQ(ret, -EINVAL, "bpf_tc_attach invalid hook parent"))
+		return -EINVAL;
+
+	ret = bpf_tc_detach(&inv_hook, &opts);
+	if (!ASSERT_EQ(ret, -EINVAL, "bpf_tc_detach invalid hook parent"))
+		return -EINVAL;
+
+	ret = bpf_tc_query(&inv_hook, &opts);
+	if (!ASSERT_EQ(ret, -EINVAL, "bpf_tc_query invalid hook parent"))
+		return -EINVAL;
+
+	inv_hook.attach_point = BPF_TC_INGRESS;
+
+	/* detach */
+	{
+		TEST_DECLARE_OPTS(fd);
+
+		ret = bpf_tc_detach(NULL, &opts_hp);
+		if (!ASSERT_EQ(ret, -EINVAL, "bpf_tc_detach invalid hook = NULL"))
+			return -EINVAL;
+
+		ret = bpf_tc_detach(hook, NULL);
+		if (!ASSERT_EQ(ret, -EINVAL, "bpf_tc_detach invalid opts = NULL"))
+			return -EINVAL;
+
+		ret = bpf_tc_detach(hook, &opts_hpr);
+		if (!ASSERT_EQ(ret, -EINVAL, "bpf_tc_detach invalid flags set"))
+			return -EINVAL;
+
+		ret = bpf_tc_detach(hook, &opts_hpf);
+		if (!ASSERT_EQ(ret, -EINVAL, "bpf_tc_detach invalid prog_fd set"))
+			return -EINVAL;
+
+		ret = bpf_tc_detach(hook, &opts_hpi);
+		if (!ASSERT_EQ(ret, -EINVAL, "bpf_tc_detach invalid prog_id set"))
+			return -EINVAL;
+
+		ret = bpf_tc_detach(hook, &opts_p);
+		if (!ASSERT_EQ(ret, -EINVAL, "bpf_tc_detach invalid handle unset"))
+			return -EINVAL;
+
+		ret = bpf_tc_detach(hook, &opts_h);
+		if (!ASSERT_EQ(ret, -EINVAL, "bpf_tc_detach invalid priority unset"))
+			return -EINVAL;
+
+		ret = bpf_tc_detach(hook, &opts_prio_max);
+		if (!ASSERT_EQ(ret, -EINVAL, "bpf_tc_detach invalid priority > UINT16_MAX"))
+			return -EINVAL;
+	}
+
+	/* query */
+	{
+		TEST_DECLARE_OPTS(fd);
+
+		ret = bpf_tc_query(NULL, &opts);
+		if (!ASSERT_EQ(ret, -EINVAL, "bpf_tc_query invalid hook = NULL"))
+			return -EINVAL;
+
+		ret = bpf_tc_query(hook, NULL);
+		if (!ASSERT_EQ(ret, -EINVAL, "bpf_tc_query invalid opts = NULL"))
+			return -EINVAL;
+
+		ret = bpf_tc_query(hook, &opts_hpr);
+		if (!ASSERT_EQ(ret, -EINVAL, "bpf_tc_query invalid flags set"))
+			return -EINVAL;
+
+		ret = bpf_tc_query(hook, &opts_hpf);
+		if (!ASSERT_EQ(ret, -EINVAL, "bpf_tc_query invalid prog_fd set"))
+			return -EINVAL;
+
+		ret = bpf_tc_query(hook, &opts_hpi);
+		if (!ASSERT_EQ(ret, -EINVAL, "bpf_tc_query invalid prog_id set"))
+			return -EINVAL;
+
+		ret = bpf_tc_query(hook, &opts_p);
+		if (!ASSERT_EQ(ret, -EINVAL, "bpf_tc_query invalid handle unset"))
+			return -EINVAL;
+
+		ret = bpf_tc_query(hook, &opts_h);
+		if (!ASSERT_EQ(ret, -EINVAL, "bpf_tc_query invalid priority unset"))
+			return -EINVAL;
+
+		ret = bpf_tc_query(hook, &opts_prio_max);
+		if (!ASSERT_EQ(ret, -EINVAL, "bpf_tc_query invalid priority > UINT16_MAX"))
+			return -EINVAL;
+
+		/* when chain is not present, kernel returns -EINVAL */
+		ret = bpf_tc_query(hook, &opts_hp);
+		if (!ASSERT_EQ(ret, -EINVAL, "bpf_tc_query valid handle, priority set"))
+			return -EINVAL;
+	}
+
+	/* attach */
+	{
+		TEST_DECLARE_OPTS(fd);
+
+		ret = bpf_tc_attach(NULL, &opts_hp);
+		if (!ASSERT_EQ(ret, -EINVAL, "bpf_tc_attach invalid hook = NULL"))
+			return -EINVAL;
+
+		ret = bpf_tc_attach(hook, NULL);
+		if (!ASSERT_EQ(ret, -EINVAL, "bpf_tc_attach invalid opts = NULL"))
+			return -EINVAL;
+
+		opts_hp.flags = 42;
+		ret = bpf_tc_attach(hook, &opts_hp);
+		if (!ASSERT_EQ(ret, -EINVAL, "bpf_tc_attach invalid flags"))
+			return -EINVAL;
+
+		ret = bpf_tc_attach(hook, NULL);
+		if (!ASSERT_EQ(ret, -EINVAL, "bpf_tc_attach invalid prog_fd unset"))
+			return -EINVAL;
+
+		ret = bpf_tc_attach(hook, &opts_hpi);
+		if (!ASSERT_EQ(ret, -EINVAL, "bpf_tc_attach invalid prog_id set"))
+			return -EINVAL;
+
+		ret = bpf_tc_attach(hook, &opts_pf);
+		if (!ASSERT_OK(ret, "bpf_tc_attach valid handle unset"))
+			return -EINVAL;
+		opts_pf.prog_fd = opts_pf.prog_id = 0;
+		ASSERT_OK(bpf_tc_detach(hook, &opts_pf), "bpf_tc_detach");
+
+		ret = bpf_tc_attach(hook, &opts_hf);
+		if (!ASSERT_OK(ret, "bpf_tc_attach valid priority unset"))
+			return -EINVAL;
+		opts_hf.prog_fd = opts_hf.prog_id = 0;
+		ASSERT_OK(bpf_tc_detach(hook, &opts_hf), "bpf_tc_detach");
+
+		ret = bpf_tc_attach(hook, &opts_prio_max);
+		if (!ASSERT_EQ(ret, -EINVAL, "bpf_tc_attach invalid priority > UINT16_MAX"))
+			return -EINVAL;
+
+		ret = bpf_tc_attach(hook, &opts_f);
+		if (!ASSERT_OK(ret, "bpf_tc_attach valid both handle and priority unset"))
+			return -EINVAL;
+		opts_f.prog_fd = opts_f.prog_id = 0;
+		ASSERT_OK(bpf_tc_detach(hook, &opts_f), "bpf_tc_detach");
+	}
+
+	return 0;
+}
+
+void test_tc_bpf(void)
+{
+	DECLARE_LIBBPF_OPTS(bpf_tc_hook, hook, .ifindex = LO_IFINDEX,
+			    .attach_point = BPF_TC_INGRESS);
+	struct test_tc_bpf *skel = NULL;
+	bool hook_created = false;
+	int cls_fd, ret;
+
+	skel = test_tc_bpf__open_and_load();
+	if (!ASSERT_OK_PTR(skel, "test_tc_bpf__open_and_load"))
+		return;
+
+	cls_fd = bpf_program__fd(skel->progs.cls);
+
+	ret = bpf_tc_hook_create(&hook);
+	if (ret == 0)
+		hook_created = true;
+
+	ret = ret == -EEXIST ? 0 : ret;
+	if (!ASSERT_OK(ret, "bpf_tc_hook_create(BPF_TC_INGRESS)"))
+		goto end;
+
+	hook.attach_point = BPF_TC_CUSTOM;
+	hook.parent = TC_H_MAKE(TC_H_CLSACT, TC_H_MIN_INGRESS);
+	ret = bpf_tc_hook_create(&hook);
+	if (!ASSERT_EQ(ret, -EOPNOTSUPP, "bpf_tc_hook_create invalid hook.attach_point"))
+		goto end;
+
+	ret = test_tc_bpf_basic(&hook, cls_fd);
+	if (!ASSERT_OK(ret, "test_tc_internal ingress"))
+		goto end;
+
+	ret = bpf_tc_hook_destroy(&hook);
+	if (!ASSERT_EQ(ret, -EOPNOTSUPP, "bpf_tc_hook_destroy invalid hook.attach_point"))
+		goto end;
+
+	hook.attach_point = BPF_TC_INGRESS;
+	hook.parent = 0;
+	bpf_tc_hook_destroy(&hook);
+
+	ret = test_tc_bpf_basic(&hook, cls_fd);
+	if (!ASSERT_OK(ret, "test_tc_internal ingress"))
+		goto end;
+
+	bpf_tc_hook_destroy(&hook);
+
+	hook.attach_point = BPF_TC_EGRESS;
+	ret = test_tc_bpf_basic(&hook, cls_fd);
+	if (!ASSERT_OK(ret, "test_tc_internal egress"))
+		goto end;
+
+	bpf_tc_hook_destroy(&hook);
+
+	ret = test_tc_bpf_api(&hook, cls_fd);
+	if (!ASSERT_OK(ret, "test_tc_bpf_api"))
+		goto end;
+
+	bpf_tc_hook_destroy(&hook);
+
+end:
+	if (hook_created) {
+		hook.attach_point = BPF_TC_INGRESS | BPF_TC_EGRESS;
+		bpf_tc_hook_destroy(&hook);
+	}
+	test_tc_bpf__destroy(skel);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/tc_redirect.c b/tools/testing/selftests/bpf/prog_tests/tc_redirect.c
new file mode 100644
index 000000000..cb6a53b3e
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/tc_redirect.c
@@ -0,0 +1,1149 @@
+// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
+
+/*
+ * This test sets up 3 netns (src <-> fwd <-> dst). There is no direct veth link
+ * between src and dst. The netns fwd has veth links to each src and dst. The
+ * client is in src and server in dst. The test installs a TC BPF program to each
+ * host facing veth in fwd which calls into i) bpf_redirect_neigh() to perform the
+ * neigh addr population and redirect or ii) bpf_redirect_peer() for namespace
+ * switch from ingress side; it also installs a checker prog on the egress side
+ * to drop unexpected traffic.
+ */
+
+#include <arpa/inet.h>
+#include <linux/if.h>
+#include <linux/if_tun.h>
+#include <linux/limits.h>
+#include <linux/sysctl.h>
+#include <linux/time_types.h>
+#include <linux/net_tstamp.h>
+#include <stdbool.h>
+#include <stdio.h>
+#include <sys/stat.h>
+#include <unistd.h>
+
+#include "test_progs.h"
+#include "network_helpers.h"
+#include "test_tc_neigh_fib.skel.h"
+#include "test_tc_neigh.skel.h"
+#include "test_tc_peer.skel.h"
+#include "test_tc_dtime.skel.h"
+
+#ifndef TCP_TX_DELAY
+#define TCP_TX_DELAY 37
+#endif
+
+#define NS_SRC "ns_src"
+#define NS_FWD "ns_fwd"
+#define NS_DST "ns_dst"
+
+#define IP4_SRC "172.16.1.100"
+#define IP4_DST "172.16.2.100"
+#define IP4_TUN_SRC "172.17.1.100"
+#define IP4_TUN_FWD "172.17.1.200"
+#define IP4_PORT 9004
+
+#define IP6_SRC "0::1:dead:beef:cafe"
+#define IP6_DST "0::2:dead:beef:cafe"
+#define IP6_TUN_SRC "1::1:dead:beef:cafe"
+#define IP6_TUN_FWD "1::2:dead:beef:cafe"
+#define IP6_PORT 9006
+
+#define IP4_SLL "169.254.0.1"
+#define IP4_DLL "169.254.0.2"
+#define IP4_NET "169.254.0.0"
+
+#define MAC_DST_FWD "00:11:22:33:44:55"
+#define MAC_DST "00:22:33:44:55:66"
+
+#define IFADDR_STR_LEN 18
+#define PING_ARGS "-i 0.2 -c 3 -w 10 -q"
+
+#define SRC_PROG_PIN_FILE "/sys/fs/bpf/test_tc_src"
+#define DST_PROG_PIN_FILE "/sys/fs/bpf/test_tc_dst"
+#define CHK_PROG_PIN_FILE "/sys/fs/bpf/test_tc_chk"
+
+#define TIMEOUT_MILLIS 10000
+#define NSEC_PER_SEC 1000000000ULL
+
+#define log_err(MSG, ...) \
+	fprintf(stderr, "(%s:%d: errno: %s) " MSG "\n", \
+		__FILE__, __LINE__, strerror(errno), ##__VA_ARGS__)
+
+static const char * const namespaces[] = {NS_SRC, NS_FWD, NS_DST, NULL};
+
+static int write_file(const char *path, const char *newval)
+{
+	FILE *f;
+
+	f = fopen(path, "r+");
+	if (!f)
+		return -1;
+	if (fwrite(newval, strlen(newval), 1, f) != 1) {
+		log_err("writing to %s failed", path);
+		fclose(f);
+		return -1;
+	}
+	fclose(f);
+	return 0;
+}
+
+static int netns_setup_namespaces(const char *verb)
+{
+	const char * const *ns = namespaces;
+	char cmd[128];
+
+	while (*ns) {
+		snprintf(cmd, sizeof(cmd), "ip netns %s %s", verb, *ns);
+		if (!ASSERT_OK(system(cmd), cmd))
+			return -1;
+		ns++;
+	}
+	return 0;
+}
+
+static void netns_setup_namespaces_nofail(const char *verb)
+{
+	const char * const *ns = namespaces;
+	char cmd[128];
+
+	while (*ns) {
+		snprintf(cmd, sizeof(cmd), "ip netns %s %s > /dev/null 2>&1", verb, *ns);
+		system(cmd);
+		ns++;
+	}
+}
+
+struct netns_setup_result {
+	int ifindex_veth_src_fwd;
+	int ifindex_veth_dst_fwd;
+};
+
+static int get_ifaddr(const char *name, char *ifaddr)
+{
+	char path[PATH_MAX];
+	FILE *f;
+	int ret;
+
+	snprintf(path, PATH_MAX, "/sys/class/net/%s/address", name);
+	f = fopen(path, "r");
+	if (!ASSERT_OK_PTR(f, path))
+		return -1;
+
+	ret = fread(ifaddr, 1, IFADDR_STR_LEN, f);
+	if (!ASSERT_EQ(ret, IFADDR_STR_LEN, "fread ifaddr")) {
+		fclose(f);
+		return -1;
+	}
+	fclose(f);
+	return 0;
+}
+
+static int get_ifindex(const char *name)
+{
+	char path[PATH_MAX];
+	char buf[32];
+	FILE *f;
+	int ret;
+
+	snprintf(path, PATH_MAX, "/sys/class/net/%s/ifindex", name);
+	f = fopen(path, "r");
+	if (!ASSERT_OK_PTR(f, path))
+		return -1;
+
+	ret = fread(buf, 1, sizeof(buf), f);
+	if (!ASSERT_GT(ret, 0, "fread ifindex")) {
+		fclose(f);
+		return -1;
+	}
+	fclose(f);
+	return atoi(buf);
+}
+
+#define SYS(fmt, ...)						\
+	({							\
+		char cmd[1024];					\
+		snprintf(cmd, sizeof(cmd), fmt, ##__VA_ARGS__);	\
+		if (!ASSERT_OK(system(cmd), cmd))		\
+			goto fail;				\
+	})
+
+static int netns_setup_links_and_routes(struct netns_setup_result *result)
+{
+	struct nstoken *nstoken = NULL;
+	char veth_src_fwd_addr[IFADDR_STR_LEN+1] = {};
+
+	SYS("ip link add veth_src type veth peer name veth_src_fwd");
+	SYS("ip link add veth_dst type veth peer name veth_dst_fwd");
+
+	SYS("ip link set veth_dst_fwd address " MAC_DST_FWD);
+	SYS("ip link set veth_dst address " MAC_DST);
+
+	if (get_ifaddr("veth_src_fwd", veth_src_fwd_addr))
+		goto fail;
+
+	result->ifindex_veth_src_fwd = get_ifindex("veth_src_fwd");
+	if (result->ifindex_veth_src_fwd < 0)
+		goto fail;
+	result->ifindex_veth_dst_fwd = get_ifindex("veth_dst_fwd");
+	if (result->ifindex_veth_dst_fwd < 0)
+		goto fail;
+
+	SYS("ip link set veth_src netns " NS_SRC);
+	SYS("ip link set veth_src_fwd netns " NS_FWD);
+	SYS("ip link set veth_dst_fwd netns " NS_FWD);
+	SYS("ip link set veth_dst netns " NS_DST);
+
+	/** setup in 'src' namespace */
+	nstoken = open_netns(NS_SRC);
+	if (!ASSERT_OK_PTR(nstoken, "setns src"))
+		goto fail;
+
+	SYS("ip addr add " IP4_SRC "/32 dev veth_src");
+	SYS("ip addr add " IP6_SRC "/128 dev veth_src nodad");
+	SYS("ip link set dev veth_src up");
+
+	SYS("ip route add " IP4_DST "/32 dev veth_src scope global");
+	SYS("ip route add " IP4_NET "/16 dev veth_src scope global");
+	SYS("ip route add " IP6_DST "/128 dev veth_src scope global");
+
+	SYS("ip neigh add " IP4_DST " dev veth_src lladdr %s",
+	    veth_src_fwd_addr);
+	SYS("ip neigh add " IP6_DST " dev veth_src lladdr %s",
+	    veth_src_fwd_addr);
+
+	close_netns(nstoken);
+
+	/** setup in 'fwd' namespace */
+	nstoken = open_netns(NS_FWD);
+	if (!ASSERT_OK_PTR(nstoken, "setns fwd"))
+		goto fail;
+
+	/* The fwd netns automatically gets a v6 LL address / routes, but also
+	 * needs v4 one in order to start ARP probing. IP4_NET route is added
+	 * to the endpoints so that the ARP processing will reply.
+	 */
+	SYS("ip addr add " IP4_SLL "/32 dev veth_src_fwd");
+	SYS("ip addr add " IP4_DLL "/32 dev veth_dst_fwd");
+	SYS("ip link set dev veth_src_fwd up");
+	SYS("ip link set dev veth_dst_fwd up");
+
+	SYS("ip route add " IP4_SRC "/32 dev veth_src_fwd scope global");
+	SYS("ip route add " IP6_SRC "/128 dev veth_src_fwd scope global");
+	SYS("ip route add " IP4_DST "/32 dev veth_dst_fwd scope global");
+	SYS("ip route add " IP6_DST "/128 dev veth_dst_fwd scope global");
+
+	close_netns(nstoken);
+
+	/** setup in 'dst' namespace */
+	nstoken = open_netns(NS_DST);
+	if (!ASSERT_OK_PTR(nstoken, "setns dst"))
+		goto fail;
+
+	SYS("ip addr add " IP4_DST "/32 dev veth_dst");
+	SYS("ip addr add " IP6_DST "/128 dev veth_dst nodad");
+	SYS("ip link set dev veth_dst up");
+
+	SYS("ip route add " IP4_SRC "/32 dev veth_dst scope global");
+	SYS("ip route add " IP4_NET "/16 dev veth_dst scope global");
+	SYS("ip route add " IP6_SRC "/128 dev veth_dst scope global");
+
+	SYS("ip neigh add " IP4_SRC " dev veth_dst lladdr " MAC_DST_FWD);
+	SYS("ip neigh add " IP6_SRC " dev veth_dst lladdr " MAC_DST_FWD);
+
+	close_netns(nstoken);
+
+	return 0;
+fail:
+	if (nstoken)
+		close_netns(nstoken);
+	return -1;
+}
+
+static int netns_load_bpf(void)
+{
+	SYS("tc qdisc add dev veth_src_fwd clsact");
+	SYS("tc filter add dev veth_src_fwd ingress bpf da object-pinned "
+	    SRC_PROG_PIN_FILE);
+	SYS("tc filter add dev veth_src_fwd egress bpf da object-pinned "
+	    CHK_PROG_PIN_FILE);
+
+	SYS("tc qdisc add dev veth_dst_fwd clsact");
+	SYS("tc filter add dev veth_dst_fwd ingress bpf da object-pinned "
+	    DST_PROG_PIN_FILE);
+	SYS("tc filter add dev veth_dst_fwd egress bpf da object-pinned "
+	    CHK_PROG_PIN_FILE);
+
+	return 0;
+fail:
+	return -1;
+}
+
+static void test_tcp(int family, const char *addr, __u16 port)
+{
+	int listen_fd = -1, accept_fd = -1, client_fd = -1;
+	char buf[] = "testing testing";
+	int n;
+	struct nstoken *nstoken;
+
+	nstoken = open_netns(NS_DST);
+	if (!ASSERT_OK_PTR(nstoken, "setns dst"))
+		return;
+
+	listen_fd = start_server(family, SOCK_STREAM, addr, port, 0);
+	if (!ASSERT_GE(listen_fd, 0, "listen"))
+		goto done;
+
+	close_netns(nstoken);
+	nstoken = open_netns(NS_SRC);
+	if (!ASSERT_OK_PTR(nstoken, "setns src"))
+		goto done;
+
+	client_fd = connect_to_fd(listen_fd, TIMEOUT_MILLIS);
+	if (!ASSERT_GE(client_fd, 0, "connect_to_fd"))
+		goto done;
+
+	accept_fd = accept(listen_fd, NULL, NULL);
+	if (!ASSERT_GE(accept_fd, 0, "accept"))
+		goto done;
+
+	if (!ASSERT_OK(settimeo(accept_fd, TIMEOUT_MILLIS), "settimeo"))
+		goto done;
+
+	n = write(client_fd, buf, sizeof(buf));
+	if (!ASSERT_EQ(n, sizeof(buf), "send to server"))
+		goto done;
+
+	n = read(accept_fd, buf, sizeof(buf));
+	ASSERT_EQ(n, sizeof(buf), "recv from server");
+
+done:
+	if (nstoken)
+		close_netns(nstoken);
+	if (listen_fd >= 0)
+		close(listen_fd);
+	if (accept_fd >= 0)
+		close(accept_fd);
+	if (client_fd >= 0)
+		close(client_fd);
+}
+
+static int test_ping(int family, const char *addr)
+{
+	SYS("ip netns exec " NS_SRC " %s " PING_ARGS " %s > /dev/null", ping_command(family), addr);
+	return 0;
+fail:
+	return -1;
+}
+
+static void test_connectivity(void)
+{
+	test_tcp(AF_INET, IP4_DST, IP4_PORT);
+	test_ping(AF_INET, IP4_DST);
+	test_tcp(AF_INET6, IP6_DST, IP6_PORT);
+	test_ping(AF_INET6, IP6_DST);
+}
+
+static int set_forwarding(bool enable)
+{
+	int err;
+
+	err = write_file("/proc/sys/net/ipv4/ip_forward", enable ? "1" : "0");
+	if (!ASSERT_OK(err, "set ipv4.ip_forward=0"))
+		return err;
+
+	err = write_file("/proc/sys/net/ipv6/conf/all/forwarding", enable ? "1" : "0");
+	if (!ASSERT_OK(err, "set ipv6.forwarding=0"))
+		return err;
+
+	return 0;
+}
+
+static void rcv_tstamp(int fd, const char *expected, size_t s)
+{
+	struct __kernel_timespec pkt_ts = {};
+	char ctl[CMSG_SPACE(sizeof(pkt_ts))];
+	struct timespec now_ts;
+	struct msghdr msg = {};
+	__u64 now_ns, pkt_ns;
+	struct cmsghdr *cmsg;
+	struct iovec iov;
+	char data[32];
+	int ret;
+
+	iov.iov_base = data;
+	iov.iov_len = sizeof(data);
+	msg.msg_iov = &iov;
+	msg.msg_iovlen = 1;
+	msg.msg_control = &ctl;
+	msg.msg_controllen = sizeof(ctl);
+
+	ret = recvmsg(fd, &msg, 0);
+	if (!ASSERT_EQ(ret, s, "recvmsg"))
+		return;
+	ASSERT_STRNEQ(data, expected, s, "expected rcv data");
+
+	cmsg = CMSG_FIRSTHDR(&msg);
+	if (cmsg && cmsg->cmsg_level == SOL_SOCKET &&
+	    cmsg->cmsg_type == SO_TIMESTAMPNS_NEW)
+		memcpy(&pkt_ts, CMSG_DATA(cmsg), sizeof(pkt_ts));
+
+	pkt_ns = pkt_ts.tv_sec * NSEC_PER_SEC + pkt_ts.tv_nsec;
+	ASSERT_NEQ(pkt_ns, 0, "pkt rcv tstamp");
+
+	ret = clock_gettime(CLOCK_REALTIME, &now_ts);
+	ASSERT_OK(ret, "clock_gettime");
+	now_ns = now_ts.tv_sec * NSEC_PER_SEC + now_ts.tv_nsec;
+
+	if (ASSERT_GE(now_ns, pkt_ns, "check rcv tstamp"))
+		ASSERT_LT(now_ns - pkt_ns, 5 * NSEC_PER_SEC,
+			  "check rcv tstamp");
+}
+
+static void snd_tstamp(int fd, char *b, size_t s)
+{
+	struct sock_txtime opt = { .clockid = CLOCK_TAI };
+	char ctl[CMSG_SPACE(sizeof(__u64))];
+	struct timespec now_ts;
+	struct msghdr msg = {};
+	struct cmsghdr *cmsg;
+	struct iovec iov;
+	__u64 now_ns;
+	int ret;
+
+	ret = clock_gettime(CLOCK_TAI, &now_ts);
+	ASSERT_OK(ret, "clock_get_time(CLOCK_TAI)");
+	now_ns = now_ts.tv_sec * NSEC_PER_SEC + now_ts.tv_nsec;
+
+	iov.iov_base = b;
+	iov.iov_len = s;
+	msg.msg_iov = &iov;
+	msg.msg_iovlen = 1;
+	msg.msg_control = &ctl;
+	msg.msg_controllen = sizeof(ctl);
+
+	cmsg = CMSG_FIRSTHDR(&msg);
+	cmsg->cmsg_level = SOL_SOCKET;
+	cmsg->cmsg_type = SCM_TXTIME;
+	cmsg->cmsg_len = CMSG_LEN(sizeof(now_ns));
+	*(__u64 *)CMSG_DATA(cmsg) = now_ns;
+
+	ret = setsockopt(fd, SOL_SOCKET, SO_TXTIME, &opt, sizeof(opt));
+	ASSERT_OK(ret, "setsockopt(SO_TXTIME)");
+
+	ret = sendmsg(fd, &msg, 0);
+	ASSERT_EQ(ret, s, "sendmsg");
+}
+
+static void test_inet_dtime(int family, int type, const char *addr, __u16 port)
+{
+	int opt = 1, accept_fd = -1, client_fd = -1, listen_fd, err;
+	char buf[] = "testing testing";
+	struct nstoken *nstoken;
+
+	nstoken = open_netns(NS_DST);
+	if (!ASSERT_OK_PTR(nstoken, "setns dst"))
+		return;
+	listen_fd = start_server(family, type, addr, port, 0);
+	close_netns(nstoken);
+
+	if (!ASSERT_GE(listen_fd, 0, "listen"))
+		return;
+
+	/* Ensure the kernel puts the (rcv) timestamp for all skb */
+	err = setsockopt(listen_fd, SOL_SOCKET, SO_TIMESTAMPNS_NEW,
+			 &opt, sizeof(opt));
+	if (!ASSERT_OK(err, "setsockopt(SO_TIMESTAMPNS_NEW)"))
+		goto done;
+
+	if (type == SOCK_STREAM) {
+		/* Ensure the kernel set EDT when sending out rst/ack
+		 * from the kernel's ctl_sk.
+		 */
+		err = setsockopt(listen_fd, SOL_TCP, TCP_TX_DELAY, &opt,
+				 sizeof(opt));
+		if (!ASSERT_OK(err, "setsockopt(TCP_TX_DELAY)"))
+			goto done;
+	}
+
+	nstoken = open_netns(NS_SRC);
+	if (!ASSERT_OK_PTR(nstoken, "setns src"))
+		goto done;
+	client_fd = connect_to_fd(listen_fd, TIMEOUT_MILLIS);
+	close_netns(nstoken);
+
+	if (!ASSERT_GE(client_fd, 0, "connect_to_fd"))
+		goto done;
+
+	if (type == SOCK_STREAM) {
+		int n;
+
+		accept_fd = accept(listen_fd, NULL, NULL);
+		if (!ASSERT_GE(accept_fd, 0, "accept"))
+			goto done;
+
+		n = write(client_fd, buf, sizeof(buf));
+		if (!ASSERT_EQ(n, sizeof(buf), "send to server"))
+			goto done;
+		rcv_tstamp(accept_fd, buf, sizeof(buf));
+	} else {
+		snd_tstamp(client_fd, buf, sizeof(buf));
+		rcv_tstamp(listen_fd, buf, sizeof(buf));
+	}
+
+done:
+	close(listen_fd);
+	if (accept_fd != -1)
+		close(accept_fd);
+	if (client_fd != -1)
+		close(client_fd);
+}
+
+static int netns_load_dtime_bpf(struct test_tc_dtime *skel)
+{
+	struct nstoken *nstoken;
+
+#define PIN_FNAME(__file) "/sys/fs/bpf/" #__file
+#define PIN(__prog) ({							\
+		int err = bpf_program__pin(skel->progs.__prog, PIN_FNAME(__prog)); \
+		if (!ASSERT_OK(err, "pin " #__prog))		\
+			goto fail;					\
+		})
+
+	/* setup ns_src tc progs */
+	nstoken = open_netns(NS_SRC);
+	if (!ASSERT_OK_PTR(nstoken, "setns " NS_SRC))
+		return -1;
+	PIN(egress_host);
+	PIN(ingress_host);
+	SYS("tc qdisc add dev veth_src clsact");
+	SYS("tc filter add dev veth_src ingress bpf da object-pinned "
+	    PIN_FNAME(ingress_host));
+	SYS("tc filter add dev veth_src egress bpf da object-pinned "
+	    PIN_FNAME(egress_host));
+	close_netns(nstoken);
+
+	/* setup ns_dst tc progs */
+	nstoken = open_netns(NS_DST);
+	if (!ASSERT_OK_PTR(nstoken, "setns " NS_DST))
+		return -1;
+	PIN(egress_host);
+	PIN(ingress_host);
+	SYS("tc qdisc add dev veth_dst clsact");
+	SYS("tc filter add dev veth_dst ingress bpf da object-pinned "
+	    PIN_FNAME(ingress_host));
+	SYS("tc filter add dev veth_dst egress bpf da object-pinned "
+	    PIN_FNAME(egress_host));
+	close_netns(nstoken);
+
+	/* setup ns_fwd tc progs */
+	nstoken = open_netns(NS_FWD);
+	if (!ASSERT_OK_PTR(nstoken, "setns " NS_FWD))
+		return -1;
+	PIN(ingress_fwdns_prio100);
+	PIN(egress_fwdns_prio100);
+	PIN(ingress_fwdns_prio101);
+	PIN(egress_fwdns_prio101);
+	SYS("tc qdisc add dev veth_dst_fwd clsact");
+	SYS("tc filter add dev veth_dst_fwd ingress prio 100 bpf da object-pinned "
+	    PIN_FNAME(ingress_fwdns_prio100));
+	SYS("tc filter add dev veth_dst_fwd ingress prio 101 bpf da object-pinned "
+	    PIN_FNAME(ingress_fwdns_prio101));
+	SYS("tc filter add dev veth_dst_fwd egress prio 100 bpf da object-pinned "
+	    PIN_FNAME(egress_fwdns_prio100));
+	SYS("tc filter add dev veth_dst_fwd egress prio 101 bpf da object-pinned "
+	    PIN_FNAME(egress_fwdns_prio101));
+	SYS("tc qdisc add dev veth_src_fwd clsact");
+	SYS("tc filter add dev veth_src_fwd ingress prio 100 bpf da object-pinned "
+	    PIN_FNAME(ingress_fwdns_prio100));
+	SYS("tc filter add dev veth_src_fwd ingress prio 101 bpf da object-pinned "
+	    PIN_FNAME(ingress_fwdns_prio101));
+	SYS("tc filter add dev veth_src_fwd egress prio 100 bpf da object-pinned "
+	    PIN_FNAME(egress_fwdns_prio100));
+	SYS("tc filter add dev veth_src_fwd egress prio 101 bpf da object-pinned "
+	    PIN_FNAME(egress_fwdns_prio101));
+	close_netns(nstoken);
+
+#undef PIN
+
+	return 0;
+
+fail:
+	close_netns(nstoken);
+	return -1;
+}
+
+enum {
+	INGRESS_FWDNS_P100,
+	INGRESS_FWDNS_P101,
+	EGRESS_FWDNS_P100,
+	EGRESS_FWDNS_P101,
+	INGRESS_ENDHOST,
+	EGRESS_ENDHOST,
+	SET_DTIME,
+	__MAX_CNT,
+};
+
+const char *cnt_names[] = {
+	"ingress_fwdns_p100",
+	"ingress_fwdns_p101",
+	"egress_fwdns_p100",
+	"egress_fwdns_p101",
+	"ingress_endhost",
+	"egress_endhost",
+	"set_dtime",
+};
+
+enum {
+	TCP_IP6_CLEAR_DTIME,
+	TCP_IP4,
+	TCP_IP6,
+	UDP_IP4,
+	UDP_IP6,
+	TCP_IP4_RT_FWD,
+	TCP_IP6_RT_FWD,
+	UDP_IP4_RT_FWD,
+	UDP_IP6_RT_FWD,
+	UKN_TEST,
+	__NR_TESTS,
+};
+
+const char *test_names[] = {
+	"tcp ip6 clear dtime",
+	"tcp ip4",
+	"tcp ip6",
+	"udp ip4",
+	"udp ip6",
+	"tcp ip4 rt fwd",
+	"tcp ip6 rt fwd",
+	"udp ip4 rt fwd",
+	"udp ip6 rt fwd",
+};
+
+static const char *dtime_cnt_str(int test, int cnt)
+{
+	static char name[64];
+
+	snprintf(name, sizeof(name), "%s %s", test_names[test], cnt_names[cnt]);
+
+	return name;
+}
+
+static const char *dtime_err_str(int test, int cnt)
+{
+	static char name[64];
+
+	snprintf(name, sizeof(name), "%s %s errs", test_names[test],
+		 cnt_names[cnt]);
+
+	return name;
+}
+
+static void test_tcp_clear_dtime(struct test_tc_dtime *skel)
+{
+	int i, t = TCP_IP6_CLEAR_DTIME;
+	__u32 *dtimes = skel->bss->dtimes[t];
+	__u32 *errs = skel->bss->errs[t];
+
+	skel->bss->test = t;
+	test_inet_dtime(AF_INET6, SOCK_STREAM, IP6_DST, 50000 + t);
+
+	ASSERT_EQ(dtimes[INGRESS_FWDNS_P100], 0,
+		  dtime_cnt_str(t, INGRESS_FWDNS_P100));
+	ASSERT_EQ(dtimes[INGRESS_FWDNS_P101], 0,
+		  dtime_cnt_str(t, INGRESS_FWDNS_P101));
+	ASSERT_GT(dtimes[EGRESS_FWDNS_P100], 0,
+		  dtime_cnt_str(t, EGRESS_FWDNS_P100));
+	ASSERT_EQ(dtimes[EGRESS_FWDNS_P101], 0,
+		  dtime_cnt_str(t, EGRESS_FWDNS_P101));
+	ASSERT_GT(dtimes[EGRESS_ENDHOST], 0,
+		  dtime_cnt_str(t, EGRESS_ENDHOST));
+	ASSERT_GT(dtimes[INGRESS_ENDHOST], 0,
+		  dtime_cnt_str(t, INGRESS_ENDHOST));
+
+	for (i = INGRESS_FWDNS_P100; i < __MAX_CNT; i++)
+		ASSERT_EQ(errs[i], 0, dtime_err_str(t, i));
+}
+
+static void test_tcp_dtime(struct test_tc_dtime *skel, int family, bool bpf_fwd)
+{
+	__u32 *dtimes, *errs;
+	const char *addr;
+	int i, t;
+
+	if (family == AF_INET) {
+		t = bpf_fwd ? TCP_IP4 : TCP_IP4_RT_FWD;
+		addr = IP4_DST;
+	} else {
+		t = bpf_fwd ? TCP_IP6 : TCP_IP6_RT_FWD;
+		addr = IP6_DST;
+	}
+
+	dtimes = skel->bss->dtimes[t];
+	errs = skel->bss->errs[t];
+
+	skel->bss->test = t;
+	test_inet_dtime(family, SOCK_STREAM, addr, 50000 + t);
+
+	/* fwdns_prio100 prog does not read delivery_time_type, so
+	 * kernel puts the (rcv) timetamp in __sk_buff->tstamp
+	 */
+	ASSERT_EQ(dtimes[INGRESS_FWDNS_P100], 0,
+		  dtime_cnt_str(t, INGRESS_FWDNS_P100));
+	for (i = INGRESS_FWDNS_P101; i < SET_DTIME; i++)
+		ASSERT_GT(dtimes[i], 0, dtime_cnt_str(t, i));
+
+	for (i = INGRESS_FWDNS_P100; i < __MAX_CNT; i++)
+		ASSERT_EQ(errs[i], 0, dtime_err_str(t, i));
+}
+
+static void test_udp_dtime(struct test_tc_dtime *skel, int family, bool bpf_fwd)
+{
+	__u32 *dtimes, *errs;
+	const char *addr;
+	int i, t;
+
+	if (family == AF_INET) {
+		t = bpf_fwd ? UDP_IP4 : UDP_IP4_RT_FWD;
+		addr = IP4_DST;
+	} else {
+		t = bpf_fwd ? UDP_IP6 : UDP_IP6_RT_FWD;
+		addr = IP6_DST;
+	}
+
+	dtimes = skel->bss->dtimes[t];
+	errs = skel->bss->errs[t];
+
+	skel->bss->test = t;
+	test_inet_dtime(family, SOCK_DGRAM, addr, 50000 + t);
+
+	ASSERT_EQ(dtimes[INGRESS_FWDNS_P100], 0,
+		  dtime_cnt_str(t, INGRESS_FWDNS_P100));
+	/* non mono delivery time is not forwarded */
+	ASSERT_EQ(dtimes[INGRESS_FWDNS_P101], 0,
+		  dtime_cnt_str(t, INGRESS_FWDNS_P101));
+	for (i = EGRESS_FWDNS_P100; i < SET_DTIME; i++)
+		ASSERT_GT(dtimes[i], 0, dtime_cnt_str(t, i));
+
+	for (i = INGRESS_FWDNS_P100; i < __MAX_CNT; i++)
+		ASSERT_EQ(errs[i], 0, dtime_err_str(t, i));
+}
+
+static void test_tc_redirect_dtime(struct netns_setup_result *setup_result)
+{
+	struct test_tc_dtime *skel;
+	struct nstoken *nstoken;
+	int err;
+
+	skel = test_tc_dtime__open();
+	if (!ASSERT_OK_PTR(skel, "test_tc_dtime__open"))
+		return;
+
+	skel->rodata->IFINDEX_SRC = setup_result->ifindex_veth_src_fwd;
+	skel->rodata->IFINDEX_DST = setup_result->ifindex_veth_dst_fwd;
+
+	err = test_tc_dtime__load(skel);
+	if (!ASSERT_OK(err, "test_tc_dtime__load"))
+		goto done;
+
+	if (netns_load_dtime_bpf(skel))
+		goto done;
+
+	nstoken = open_netns(NS_FWD);
+	if (!ASSERT_OK_PTR(nstoken, "setns fwd"))
+		goto done;
+	err = set_forwarding(false);
+	close_netns(nstoken);
+	if (!ASSERT_OK(err, "disable forwarding"))
+		goto done;
+
+	test_tcp_clear_dtime(skel);
+
+	test_tcp_dtime(skel, AF_INET, true);
+	test_tcp_dtime(skel, AF_INET6, true);
+	test_udp_dtime(skel, AF_INET, true);
+	test_udp_dtime(skel, AF_INET6, true);
+
+	/* Test the kernel ip[6]_forward path instead
+	 * of bpf_redirect_neigh().
+	 */
+	nstoken = open_netns(NS_FWD);
+	if (!ASSERT_OK_PTR(nstoken, "setns fwd"))
+		goto done;
+	err = set_forwarding(true);
+	close_netns(nstoken);
+	if (!ASSERT_OK(err, "enable forwarding"))
+		goto done;
+
+	test_tcp_dtime(skel, AF_INET, false);
+	test_tcp_dtime(skel, AF_INET6, false);
+	test_udp_dtime(skel, AF_INET, false);
+	test_udp_dtime(skel, AF_INET6, false);
+
+done:
+	test_tc_dtime__destroy(skel);
+}
+
+static void test_tc_redirect_neigh_fib(struct netns_setup_result *setup_result)
+{
+	struct nstoken *nstoken = NULL;
+	struct test_tc_neigh_fib *skel = NULL;
+	int err;
+
+	nstoken = open_netns(NS_FWD);
+	if (!ASSERT_OK_PTR(nstoken, "setns fwd"))
+		return;
+
+	skel = test_tc_neigh_fib__open();
+	if (!ASSERT_OK_PTR(skel, "test_tc_neigh_fib__open"))
+		goto done;
+
+	if (!ASSERT_OK(test_tc_neigh_fib__load(skel), "test_tc_neigh_fib__load"))
+		goto done;
+
+	err = bpf_program__pin(skel->progs.tc_src, SRC_PROG_PIN_FILE);
+	if (!ASSERT_OK(err, "pin " SRC_PROG_PIN_FILE))
+		goto done;
+
+	err = bpf_program__pin(skel->progs.tc_chk, CHK_PROG_PIN_FILE);
+	if (!ASSERT_OK(err, "pin " CHK_PROG_PIN_FILE))
+		goto done;
+
+	err = bpf_program__pin(skel->progs.tc_dst, DST_PROG_PIN_FILE);
+	if (!ASSERT_OK(err, "pin " DST_PROG_PIN_FILE))
+		goto done;
+
+	if (netns_load_bpf())
+		goto done;
+
+	/* bpf_fib_lookup() checks if forwarding is enabled */
+	if (!ASSERT_OK(set_forwarding(true), "enable forwarding"))
+		goto done;
+
+	test_connectivity();
+
+done:
+	if (skel)
+		test_tc_neigh_fib__destroy(skel);
+	close_netns(nstoken);
+}
+
+static void test_tc_redirect_neigh(struct netns_setup_result *setup_result)
+{
+	struct nstoken *nstoken = NULL;
+	struct test_tc_neigh *skel = NULL;
+	int err;
+
+	nstoken = open_netns(NS_FWD);
+	if (!ASSERT_OK_PTR(nstoken, "setns fwd"))
+		return;
+
+	skel = test_tc_neigh__open();
+	if (!ASSERT_OK_PTR(skel, "test_tc_neigh__open"))
+		goto done;
+
+	skel->rodata->IFINDEX_SRC = setup_result->ifindex_veth_src_fwd;
+	skel->rodata->IFINDEX_DST = setup_result->ifindex_veth_dst_fwd;
+
+	err = test_tc_neigh__load(skel);
+	if (!ASSERT_OK(err, "test_tc_neigh__load"))
+		goto done;
+
+	err = bpf_program__pin(skel->progs.tc_src, SRC_PROG_PIN_FILE);
+	if (!ASSERT_OK(err, "pin " SRC_PROG_PIN_FILE))
+		goto done;
+
+	err = bpf_program__pin(skel->progs.tc_chk, CHK_PROG_PIN_FILE);
+	if (!ASSERT_OK(err, "pin " CHK_PROG_PIN_FILE))
+		goto done;
+
+	err = bpf_program__pin(skel->progs.tc_dst, DST_PROG_PIN_FILE);
+	if (!ASSERT_OK(err, "pin " DST_PROG_PIN_FILE))
+		goto done;
+
+	if (netns_load_bpf())
+		goto done;
+
+	if (!ASSERT_OK(set_forwarding(false), "disable forwarding"))
+		goto done;
+
+	test_connectivity();
+
+done:
+	if (skel)
+		test_tc_neigh__destroy(skel);
+	close_netns(nstoken);
+}
+
+static void test_tc_redirect_peer(struct netns_setup_result *setup_result)
+{
+	struct nstoken *nstoken;
+	struct test_tc_peer *skel;
+	int err;
+
+	nstoken = open_netns(NS_FWD);
+	if (!ASSERT_OK_PTR(nstoken, "setns fwd"))
+		return;
+
+	skel = test_tc_peer__open();
+	if (!ASSERT_OK_PTR(skel, "test_tc_peer__open"))
+		goto done;
+
+	skel->rodata->IFINDEX_SRC = setup_result->ifindex_veth_src_fwd;
+	skel->rodata->IFINDEX_DST = setup_result->ifindex_veth_dst_fwd;
+
+	err = test_tc_peer__load(skel);
+	if (!ASSERT_OK(err, "test_tc_peer__load"))
+		goto done;
+
+	err = bpf_program__pin(skel->progs.tc_src, SRC_PROG_PIN_FILE);
+	if (!ASSERT_OK(err, "pin " SRC_PROG_PIN_FILE))
+		goto done;
+
+	err = bpf_program__pin(skel->progs.tc_chk, CHK_PROG_PIN_FILE);
+	if (!ASSERT_OK(err, "pin " CHK_PROG_PIN_FILE))
+		goto done;
+
+	err = bpf_program__pin(skel->progs.tc_dst, DST_PROG_PIN_FILE);
+	if (!ASSERT_OK(err, "pin " DST_PROG_PIN_FILE))
+		goto done;
+
+	if (netns_load_bpf())
+		goto done;
+
+	if (!ASSERT_OK(set_forwarding(false), "disable forwarding"))
+		goto done;
+
+	test_connectivity();
+
+done:
+	if (skel)
+		test_tc_peer__destroy(skel);
+	close_netns(nstoken);
+}
+
+static int tun_open(char *name)
+{
+	struct ifreq ifr;
+	int fd, err;
+
+	fd = open("/dev/net/tun", O_RDWR);
+	if (!ASSERT_GE(fd, 0, "open /dev/net/tun"))
+		return -1;
+
+	memset(&ifr, 0, sizeof(ifr));
+
+	ifr.ifr_flags = IFF_TUN | IFF_NO_PI;
+	if (*name)
+		strncpy(ifr.ifr_name, name, IFNAMSIZ);
+
+	err = ioctl(fd, TUNSETIFF, &ifr);
+	if (!ASSERT_OK(err, "ioctl TUNSETIFF"))
+		goto fail;
+
+	SYS("ip link set dev %s up", name);
+
+	return fd;
+fail:
+	close(fd);
+	return -1;
+}
+
+enum {
+	SRC_TO_TARGET = 0,
+	TARGET_TO_SRC = 1,
+};
+
+static int tun_relay_loop(int src_fd, int target_fd)
+{
+	fd_set rfds, wfds;
+
+	FD_ZERO(&rfds);
+	FD_ZERO(&wfds);
+
+	for (;;) {
+		char buf[1500];
+		int direction, nread, nwrite;
+
+		FD_SET(src_fd, &rfds);
+		FD_SET(target_fd, &rfds);
+
+		if (select(1 + MAX(src_fd, target_fd), &rfds, NULL, NULL, NULL) < 0) {
+			log_err("select failed");
+			return 1;
+		}
+
+		direction = FD_ISSET(src_fd, &rfds) ? SRC_TO_TARGET : TARGET_TO_SRC;
+
+		nread = read(direction == SRC_TO_TARGET ? src_fd : target_fd, buf, sizeof(buf));
+		if (nread < 0) {
+			log_err("read failed");
+			return 1;
+		}
+
+		nwrite = write(direction == SRC_TO_TARGET ? target_fd : src_fd, buf, nread);
+		if (nwrite != nread) {
+			log_err("write failed");
+			return 1;
+		}
+	}
+}
+
+static void test_tc_redirect_peer_l3(struct netns_setup_result *setup_result)
+{
+	struct test_tc_peer *skel = NULL;
+	struct nstoken *nstoken = NULL;
+	int err;
+	int tunnel_pid = -1;
+	int src_fd, target_fd = -1;
+	int ifindex;
+
+	/* Start a L3 TUN/TAP tunnel between the src and dst namespaces.
+	 * This test is using TUN/TAP instead of e.g. IPIP or GRE tunnel as those
+	 * expose the L2 headers encapsulating the IP packet to BPF and hence
+	 * don't have skb in suitable state for this test. Alternative to TUN/TAP
+	 * would be e.g. Wireguard which would appear as a pure L3 device to BPF,
+	 * but that requires much more complicated setup.
+	 */
+	nstoken = open_netns(NS_SRC);
+	if (!ASSERT_OK_PTR(nstoken, "setns " NS_SRC))
+		return;
+
+	src_fd = tun_open("tun_src");
+	if (!ASSERT_GE(src_fd, 0, "tun_open tun_src"))
+		goto fail;
+
+	close_netns(nstoken);
+
+	nstoken = open_netns(NS_FWD);
+	if (!ASSERT_OK_PTR(nstoken, "setns " NS_FWD))
+		goto fail;
+
+	target_fd = tun_open("tun_fwd");
+	if (!ASSERT_GE(target_fd, 0, "tun_open tun_fwd"))
+		goto fail;
+
+	tunnel_pid = fork();
+	if (!ASSERT_GE(tunnel_pid, 0, "fork tun_relay_loop"))
+		goto fail;
+
+	if (tunnel_pid == 0)
+		exit(tun_relay_loop(src_fd, target_fd));
+
+	skel = test_tc_peer__open();
+	if (!ASSERT_OK_PTR(skel, "test_tc_peer__open"))
+		goto fail;
+
+	ifindex = get_ifindex("tun_fwd");
+	if (!ASSERT_GE(ifindex, 0, "get_ifindex tun_fwd"))
+		goto fail;
+
+	skel->rodata->IFINDEX_SRC = ifindex;
+	skel->rodata->IFINDEX_DST = setup_result->ifindex_veth_dst_fwd;
+
+	err = test_tc_peer__load(skel);
+	if (!ASSERT_OK(err, "test_tc_peer__load"))
+		goto fail;
+
+	err = bpf_program__pin(skel->progs.tc_src_l3, SRC_PROG_PIN_FILE);
+	if (!ASSERT_OK(err, "pin " SRC_PROG_PIN_FILE))
+		goto fail;
+
+	err = bpf_program__pin(skel->progs.tc_dst_l3, DST_PROG_PIN_FILE);
+	if (!ASSERT_OK(err, "pin " DST_PROG_PIN_FILE))
+		goto fail;
+
+	err = bpf_program__pin(skel->progs.tc_chk, CHK_PROG_PIN_FILE);
+	if (!ASSERT_OK(err, "pin " CHK_PROG_PIN_FILE))
+		goto fail;
+
+	/* Load "tc_src_l3" to the tun_fwd interface to redirect packets
+	 * towards dst, and "tc_dst" to redirect packets
+	 * and "tc_chk" on veth_dst_fwd to drop non-redirected packets.
+	 */
+	SYS("tc qdisc add dev tun_fwd clsact");
+	SYS("tc filter add dev tun_fwd ingress bpf da object-pinned "
+	    SRC_PROG_PIN_FILE);
+
+	SYS("tc qdisc add dev veth_dst_fwd clsact");
+	SYS("tc filter add dev veth_dst_fwd ingress bpf da object-pinned "
+	    DST_PROG_PIN_FILE);
+	SYS("tc filter add dev veth_dst_fwd egress bpf da object-pinned "
+	    CHK_PROG_PIN_FILE);
+
+	/* Setup route and neigh tables */
+	SYS("ip -netns " NS_SRC " addr add dev tun_src " IP4_TUN_SRC "/24");
+	SYS("ip -netns " NS_FWD " addr add dev tun_fwd " IP4_TUN_FWD "/24");
+
+	SYS("ip -netns " NS_SRC " addr add dev tun_src " IP6_TUN_SRC "/64 nodad");
+	SYS("ip -netns " NS_FWD " addr add dev tun_fwd " IP6_TUN_FWD "/64 nodad");
+
+	SYS("ip -netns " NS_SRC " route del " IP4_DST "/32 dev veth_src scope global");
+	SYS("ip -netns " NS_SRC " route add " IP4_DST "/32 via " IP4_TUN_FWD
+	    " dev tun_src scope global");
+	SYS("ip -netns " NS_DST " route add " IP4_TUN_SRC "/32 dev veth_dst scope global");
+	SYS("ip -netns " NS_SRC " route del " IP6_DST "/128 dev veth_src scope global");
+	SYS("ip -netns " NS_SRC " route add " IP6_DST "/128 via " IP6_TUN_FWD
+	    " dev tun_src scope global");
+	SYS("ip -netns " NS_DST " route add " IP6_TUN_SRC "/128 dev veth_dst scope global");
+
+	SYS("ip -netns " NS_DST " neigh add " IP4_TUN_SRC " dev veth_dst lladdr " MAC_DST_FWD);
+	SYS("ip -netns " NS_DST " neigh add " IP6_TUN_SRC " dev veth_dst lladdr " MAC_DST_FWD);
+
+	if (!ASSERT_OK(set_forwarding(false), "disable forwarding"))
+		goto fail;
+
+	test_connectivity();
+
+fail:
+	if (tunnel_pid > 0) {
+		kill(tunnel_pid, SIGTERM);
+		waitpid(tunnel_pid, NULL, 0);
+	}
+	if (src_fd >= 0)
+		close(src_fd);
+	if (target_fd >= 0)
+		close(target_fd);
+	if (skel)
+		test_tc_peer__destroy(skel);
+	if (nstoken)
+		close_netns(nstoken);
+}
+
+#define RUN_TEST(name)                                                                      \
+	({                                                                                  \
+		struct netns_setup_result setup_result;                                     \
+		if (test__start_subtest(#name))                                             \
+			if (ASSERT_OK(netns_setup_namespaces("add"), "setup namespaces")) { \
+				if (ASSERT_OK(netns_setup_links_and_routes(&setup_result),  \
+					      "setup links and routes"))                    \
+					test_ ## name(&setup_result);                       \
+				netns_setup_namespaces("delete");                           \
+			}                                                                   \
+	})
+
+static void *test_tc_redirect_run_tests(void *arg)
+{
+	netns_setup_namespaces_nofail("delete");
+
+	RUN_TEST(tc_redirect_peer);
+	RUN_TEST(tc_redirect_peer_l3);
+	RUN_TEST(tc_redirect_neigh);
+	RUN_TEST(tc_redirect_neigh_fib);
+	RUN_TEST(tc_redirect_dtime);
+	return NULL;
+}
+
+void serial_test_tc_redirect(void)
+{
+	pthread_t test_thread;
+	int err;
+
+	/* Run the tests in their own thread to isolate the namespace changes
+	 * so they do not affect the environment of other tests.
+	 * (specifically needed because of unshare(CLONE_NEWNS) in open_netns())
+	 */
+	err = pthread_create(&test_thread, NULL, &test_tc_redirect_run_tests, NULL);
+	if (ASSERT_OK(err, "pthread_create"))
+		ASSERT_OK(pthread_join(test_thread, NULL), "pthread_join");
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/tcp_estats.c b/tools/testing/selftests/bpf/prog_tests/tcp_estats.c
new file mode 100644
index 000000000..e070bca2b
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/tcp_estats.c
@@ -0,0 +1,15 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <test_progs.h>
+
+void test_tcp_estats(void)
+{
+	const char *file = "./test_tcp_estats.bpf.o";
+	int err, prog_fd;
+	struct bpf_object *obj;
+
+	err = bpf_prog_test_load(file, BPF_PROG_TYPE_TRACEPOINT, &obj, &prog_fd);
+	if (!ASSERT_OK(err, ""))
+		return;
+
+	bpf_object__close(obj);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/tcp_hdr_options.c b/tools/testing/selftests/bpf/prog_tests/tcp_hdr_options.c
new file mode 100644
index 000000000..571917735
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/tcp_hdr_options.c
@@ -0,0 +1,561 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2020 Facebook */
+
+#define _GNU_SOURCE
+#include <sched.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <sys/socket.h>
+#include <linux/compiler.h>
+
+#include "test_progs.h"
+#include "cgroup_helpers.h"
+#include "network_helpers.h"
+#include "test_tcp_hdr_options.h"
+#include "test_tcp_hdr_options.skel.h"
+#include "test_misc_tcp_hdr_options.skel.h"
+
+#define LO_ADDR6 "::1"
+#define CG_NAME "/tcpbpf-hdr-opt-test"
+
+static struct bpf_test_option exp_passive_estab_in;
+static struct bpf_test_option exp_active_estab_in;
+static struct bpf_test_option exp_passive_fin_in;
+static struct bpf_test_option exp_active_fin_in;
+static struct hdr_stg exp_passive_hdr_stg;
+static struct hdr_stg exp_active_hdr_stg = { .active = true, };
+
+static struct test_misc_tcp_hdr_options *misc_skel;
+static struct test_tcp_hdr_options *skel;
+static int lport_linum_map_fd;
+static int hdr_stg_map_fd;
+static __u32 duration;
+static int cg_fd;
+
+struct sk_fds {
+	int srv_fd;
+	int passive_fd;
+	int active_fd;
+	int passive_lport;
+	int active_lport;
+};
+
+static int create_netns(void)
+{
+	if (!ASSERT_OK(unshare(CLONE_NEWNET), "create netns"))
+		return -1;
+
+	if (!ASSERT_OK(system("ip link set dev lo up"), "run ip cmd"))
+		return -1;
+
+	return 0;
+}
+
+static void print_hdr_stg(const struct hdr_stg *hdr_stg, const char *prefix)
+{
+	fprintf(stderr, "%s{active:%u, resend_syn:%u, syncookie:%u, fastopen:%u}\n",
+		prefix ? : "", hdr_stg->active, hdr_stg->resend_syn,
+		hdr_stg->syncookie, hdr_stg->fastopen);
+}
+
+static void print_option(const struct bpf_test_option *opt, const char *prefix)
+{
+	fprintf(stderr, "%s{flags:0x%x, max_delack_ms:%u, rand:0x%x}\n",
+		prefix ? : "", opt->flags, opt->max_delack_ms, opt->rand);
+}
+
+static void sk_fds_close(struct sk_fds *sk_fds)
+{
+	close(sk_fds->srv_fd);
+	close(sk_fds->passive_fd);
+	close(sk_fds->active_fd);
+}
+
+static int sk_fds_shutdown(struct sk_fds *sk_fds)
+{
+	int ret, abyte;
+
+	shutdown(sk_fds->active_fd, SHUT_WR);
+	ret = read(sk_fds->passive_fd, &abyte, sizeof(abyte));
+	if (!ASSERT_EQ(ret, 0, "read-after-shutdown(passive_fd):"))
+		return -1;
+
+	shutdown(sk_fds->passive_fd, SHUT_WR);
+	ret = read(sk_fds->active_fd, &abyte, sizeof(abyte));
+	if (!ASSERT_EQ(ret, 0, "read-after-shutdown(active_fd):"))
+		return -1;
+
+	return 0;
+}
+
+static int sk_fds_connect(struct sk_fds *sk_fds, bool fast_open)
+{
+	const char fast[] = "FAST!!!";
+	struct sockaddr_in6 addr6;
+	socklen_t len;
+
+	sk_fds->srv_fd = start_server(AF_INET6, SOCK_STREAM, LO_ADDR6, 0, 0);
+	if (!ASSERT_NEQ(sk_fds->srv_fd, -1, "start_server"))
+		goto error;
+
+	if (fast_open)
+		sk_fds->active_fd = fastopen_connect(sk_fds->srv_fd, fast,
+						     sizeof(fast), 0);
+	else
+		sk_fds->active_fd = connect_to_fd(sk_fds->srv_fd, 0);
+
+	if (!ASSERT_NEQ(sk_fds->active_fd, -1, "")) {
+		close(sk_fds->srv_fd);
+		goto error;
+	}
+
+	len = sizeof(addr6);
+	if (!ASSERT_OK(getsockname(sk_fds->srv_fd, (struct sockaddr *)&addr6,
+				   &len), "getsockname(srv_fd)"))
+		goto error_close;
+	sk_fds->passive_lport = ntohs(addr6.sin6_port);
+
+	len = sizeof(addr6);
+	if (!ASSERT_OK(getsockname(sk_fds->active_fd, (struct sockaddr *)&addr6,
+				   &len), "getsockname(active_fd)"))
+		goto error_close;
+	sk_fds->active_lport = ntohs(addr6.sin6_port);
+
+	sk_fds->passive_fd = accept(sk_fds->srv_fd, NULL, 0);
+	if (!ASSERT_NEQ(sk_fds->passive_fd, -1, "accept(srv_fd)"))
+		goto error_close;
+
+	if (fast_open) {
+		char bytes_in[sizeof(fast)];
+		int ret;
+
+		ret = read(sk_fds->passive_fd, bytes_in, sizeof(bytes_in));
+		if (!ASSERT_EQ(ret, sizeof(fast), "read fastopen syn data")) {
+			close(sk_fds->passive_fd);
+			goto error_close;
+		}
+	}
+
+	return 0;
+
+error_close:
+	close(sk_fds->active_fd);
+	close(sk_fds->srv_fd);
+
+error:
+	memset(sk_fds, -1, sizeof(*sk_fds));
+	return -1;
+}
+
+static int check_hdr_opt(const struct bpf_test_option *exp,
+			 const struct bpf_test_option *act,
+			 const char *hdr_desc)
+{
+	if (!ASSERT_OK(memcmp(exp, act, sizeof(*exp)), hdr_desc)) {
+		print_option(exp, "expected: ");
+		print_option(act, "  actual: ");
+		return -1;
+	}
+
+	return 0;
+}
+
+static int check_hdr_stg(const struct hdr_stg *exp, int fd,
+			 const char *stg_desc)
+{
+	struct hdr_stg act;
+
+	if (!ASSERT_OK(bpf_map_lookup_elem(hdr_stg_map_fd, &fd, &act),
+		  "map_lookup(hdr_stg_map_fd)"))
+		return -1;
+
+	if (!ASSERT_OK(memcmp(exp, &act, sizeof(*exp)), stg_desc)) {
+		print_hdr_stg(exp, "expected: ");
+		print_hdr_stg(&act, "  actual: ");
+		return -1;
+	}
+
+	return 0;
+}
+
+static int check_error_linum(const struct sk_fds *sk_fds)
+{
+	unsigned int nr_errors = 0;
+	struct linum_err linum_err;
+	int lport;
+
+	lport = sk_fds->passive_lport;
+	if (!bpf_map_lookup_elem(lport_linum_map_fd, &lport, &linum_err)) {
+		fprintf(stderr,
+			"bpf prog error out at lport:passive(%d), linum:%u err:%d\n",
+			lport, linum_err.linum, linum_err.err);
+		nr_errors++;
+	}
+
+	lport = sk_fds->active_lport;
+	if (!bpf_map_lookup_elem(lport_linum_map_fd, &lport, &linum_err)) {
+		fprintf(stderr,
+			"bpf prog error out at lport:active(%d), linum:%u err:%d\n",
+			lport, linum_err.linum, linum_err.err);
+		nr_errors++;
+	}
+
+	return nr_errors;
+}
+
+static void check_hdr_and_close_fds(struct sk_fds *sk_fds)
+{
+	const __u32 expected_inherit_cb_flags =
+		BPF_SOCK_OPS_PARSE_UNKNOWN_HDR_OPT_CB_FLAG |
+		BPF_SOCK_OPS_WRITE_HDR_OPT_CB_FLAG |
+		BPF_SOCK_OPS_STATE_CB_FLAG;
+
+	if (sk_fds_shutdown(sk_fds))
+		goto check_linum;
+
+	if (!ASSERT_EQ(expected_inherit_cb_flags, skel->bss->inherit_cb_flags,
+		       "inherit_cb_flags"))
+		goto check_linum;
+
+	if (check_hdr_stg(&exp_passive_hdr_stg, sk_fds->passive_fd,
+			  "passive_hdr_stg"))
+		goto check_linum;
+
+	if (check_hdr_stg(&exp_active_hdr_stg, sk_fds->active_fd,
+			  "active_hdr_stg"))
+		goto check_linum;
+
+	if (check_hdr_opt(&exp_passive_estab_in, &skel->bss->passive_estab_in,
+			  "passive_estab_in"))
+		goto check_linum;
+
+	if (check_hdr_opt(&exp_active_estab_in, &skel->bss->active_estab_in,
+			  "active_estab_in"))
+		goto check_linum;
+
+	if (check_hdr_opt(&exp_passive_fin_in, &skel->bss->passive_fin_in,
+			  "passive_fin_in"))
+		goto check_linum;
+
+	check_hdr_opt(&exp_active_fin_in, &skel->bss->active_fin_in,
+		      "active_fin_in");
+
+check_linum:
+	ASSERT_FALSE(check_error_linum(sk_fds), "check_error_linum");
+	sk_fds_close(sk_fds);
+}
+
+static void prepare_out(void)
+{
+	skel->bss->active_syn_out = exp_passive_estab_in;
+	skel->bss->passive_synack_out = exp_active_estab_in;
+
+	skel->bss->active_fin_out = exp_passive_fin_in;
+	skel->bss->passive_fin_out = exp_active_fin_in;
+}
+
+static void reset_test(void)
+{
+	size_t optsize = sizeof(struct bpf_test_option);
+	int lport, err;
+
+	memset(&skel->bss->passive_synack_out, 0, optsize);
+	memset(&skel->bss->passive_fin_out, 0, optsize);
+
+	memset(&skel->bss->passive_estab_in, 0, optsize);
+	memset(&skel->bss->passive_fin_in, 0, optsize);
+
+	memset(&skel->bss->active_syn_out, 0, optsize);
+	memset(&skel->bss->active_fin_out, 0, optsize);
+
+	memset(&skel->bss->active_estab_in, 0, optsize);
+	memset(&skel->bss->active_fin_in, 0, optsize);
+
+	skel->bss->inherit_cb_flags = 0;
+
+	skel->data->test_kind = TCPOPT_EXP;
+	skel->data->test_magic = 0xeB9F;
+
+	memset(&exp_passive_estab_in, 0, optsize);
+	memset(&exp_active_estab_in, 0, optsize);
+	memset(&exp_passive_fin_in, 0, optsize);
+	memset(&exp_active_fin_in, 0, optsize);
+
+	memset(&exp_passive_hdr_stg, 0, sizeof(exp_passive_hdr_stg));
+	memset(&exp_active_hdr_stg, 0, sizeof(exp_active_hdr_stg));
+	exp_active_hdr_stg.active = true;
+
+	err = bpf_map_get_next_key(lport_linum_map_fd, NULL, &lport);
+	while (!err) {
+		bpf_map_delete_elem(lport_linum_map_fd, &lport);
+		err = bpf_map_get_next_key(lport_linum_map_fd, &lport, &lport);
+	}
+}
+
+static void fastopen_estab(void)
+{
+	struct bpf_link *link;
+	struct sk_fds sk_fds;
+
+	hdr_stg_map_fd = bpf_map__fd(skel->maps.hdr_stg_map);
+	lport_linum_map_fd = bpf_map__fd(skel->maps.lport_linum_map);
+
+	exp_passive_estab_in.flags = OPTION_F_RAND | OPTION_F_MAX_DELACK_MS;
+	exp_passive_estab_in.rand = 0xfa;
+	exp_passive_estab_in.max_delack_ms = 11;
+
+	exp_active_estab_in.flags = OPTION_F_RAND | OPTION_F_MAX_DELACK_MS;
+	exp_active_estab_in.rand = 0xce;
+	exp_active_estab_in.max_delack_ms = 22;
+
+	exp_passive_hdr_stg.fastopen = true;
+
+	prepare_out();
+
+	/* Allow fastopen without fastopen cookie */
+	if (write_sysctl("/proc/sys/net/ipv4/tcp_fastopen", "1543"))
+		return;
+
+	link = bpf_program__attach_cgroup(skel->progs.estab, cg_fd);
+	if (!ASSERT_OK_PTR(link, "attach_cgroup(estab)"))
+		return;
+
+	if (sk_fds_connect(&sk_fds, true)) {
+		bpf_link__destroy(link);
+		return;
+	}
+
+	check_hdr_and_close_fds(&sk_fds);
+	bpf_link__destroy(link);
+}
+
+static void syncookie_estab(void)
+{
+	struct bpf_link *link;
+	struct sk_fds sk_fds;
+
+	hdr_stg_map_fd = bpf_map__fd(skel->maps.hdr_stg_map);
+	lport_linum_map_fd = bpf_map__fd(skel->maps.lport_linum_map);
+
+	exp_passive_estab_in.flags = OPTION_F_RAND | OPTION_F_MAX_DELACK_MS;
+	exp_passive_estab_in.rand = 0xfa;
+	exp_passive_estab_in.max_delack_ms = 11;
+
+	exp_active_estab_in.flags = OPTION_F_RAND | OPTION_F_MAX_DELACK_MS |
+					OPTION_F_RESEND;
+	exp_active_estab_in.rand = 0xce;
+	exp_active_estab_in.max_delack_ms = 22;
+
+	exp_passive_hdr_stg.syncookie = true;
+	exp_active_hdr_stg.resend_syn = true,
+
+	prepare_out();
+
+	/* Clear the RESEND to ensure the bpf prog can learn
+	 * want_cookie and set the RESEND by itself.
+	 */
+	skel->bss->passive_synack_out.flags &= ~OPTION_F_RESEND;
+
+	/* Enforce syncookie mode */
+	if (write_sysctl("/proc/sys/net/ipv4/tcp_syncookies", "2"))
+		return;
+
+	link = bpf_program__attach_cgroup(skel->progs.estab, cg_fd);
+	if (!ASSERT_OK_PTR(link, "attach_cgroup(estab)"))
+		return;
+
+	if (sk_fds_connect(&sk_fds, false)) {
+		bpf_link__destroy(link);
+		return;
+	}
+
+	check_hdr_and_close_fds(&sk_fds);
+	bpf_link__destroy(link);
+}
+
+static void fin(void)
+{
+	struct bpf_link *link;
+	struct sk_fds sk_fds;
+
+	hdr_stg_map_fd = bpf_map__fd(skel->maps.hdr_stg_map);
+	lport_linum_map_fd = bpf_map__fd(skel->maps.lport_linum_map);
+
+	exp_passive_fin_in.flags = OPTION_F_RAND;
+	exp_passive_fin_in.rand = 0xfa;
+
+	exp_active_fin_in.flags = OPTION_F_RAND;
+	exp_active_fin_in.rand = 0xce;
+
+	prepare_out();
+
+	if (write_sysctl("/proc/sys/net/ipv4/tcp_syncookies", "1"))
+		return;
+
+	link = bpf_program__attach_cgroup(skel->progs.estab, cg_fd);
+	if (!ASSERT_OK_PTR(link, "attach_cgroup(estab)"))
+		return;
+
+	if (sk_fds_connect(&sk_fds, false)) {
+		bpf_link__destroy(link);
+		return;
+	}
+
+	check_hdr_and_close_fds(&sk_fds);
+	bpf_link__destroy(link);
+}
+
+static void __simple_estab(bool exprm)
+{
+	struct bpf_link *link;
+	struct sk_fds sk_fds;
+
+	hdr_stg_map_fd = bpf_map__fd(skel->maps.hdr_stg_map);
+	lport_linum_map_fd = bpf_map__fd(skel->maps.lport_linum_map);
+
+	exp_passive_estab_in.flags = OPTION_F_RAND | OPTION_F_MAX_DELACK_MS;
+	exp_passive_estab_in.rand = 0xfa;
+	exp_passive_estab_in.max_delack_ms = 11;
+
+	exp_active_estab_in.flags = OPTION_F_RAND | OPTION_F_MAX_DELACK_MS;
+	exp_active_estab_in.rand = 0xce;
+	exp_active_estab_in.max_delack_ms = 22;
+
+	prepare_out();
+
+	if (!exprm) {
+		skel->data->test_kind = 0xB9;
+		skel->data->test_magic = 0;
+	}
+
+	if (write_sysctl("/proc/sys/net/ipv4/tcp_syncookies", "1"))
+		return;
+
+	link = bpf_program__attach_cgroup(skel->progs.estab, cg_fd);
+	if (!ASSERT_OK_PTR(link, "attach_cgroup(estab)"))
+		return;
+
+	if (sk_fds_connect(&sk_fds, false)) {
+		bpf_link__destroy(link);
+		return;
+	}
+
+	check_hdr_and_close_fds(&sk_fds);
+	bpf_link__destroy(link);
+}
+
+static void no_exprm_estab(void)
+{
+	__simple_estab(false);
+}
+
+static void simple_estab(void)
+{
+	__simple_estab(true);
+}
+
+static void misc(void)
+{
+	const char send_msg[] = "MISC!!!";
+	char recv_msg[sizeof(send_msg)];
+	const unsigned int nr_data = 2;
+	struct bpf_link *link;
+	struct sk_fds sk_fds;
+	int i, ret;
+
+	lport_linum_map_fd = bpf_map__fd(misc_skel->maps.lport_linum_map);
+
+	if (write_sysctl("/proc/sys/net/ipv4/tcp_syncookies", "1"))
+		return;
+
+	link = bpf_program__attach_cgroup(misc_skel->progs.misc_estab, cg_fd);
+	if (!ASSERT_OK_PTR(link, "attach_cgroup(misc_estab)"))
+		return;
+
+	if (sk_fds_connect(&sk_fds, false)) {
+		bpf_link__destroy(link);
+		return;
+	}
+
+	for (i = 0; i < nr_data; i++) {
+		/* MSG_EOR to ensure skb will not be combined */
+		ret = send(sk_fds.active_fd, send_msg, sizeof(send_msg),
+			   MSG_EOR);
+		if (!ASSERT_EQ(ret, sizeof(send_msg), "send(msg)"))
+			goto check_linum;
+
+		ret = read(sk_fds.passive_fd, recv_msg, sizeof(recv_msg));
+		if (!ASSERT_EQ(ret, sizeof(send_msg), "read(msg)"))
+			goto check_linum;
+	}
+
+	if (sk_fds_shutdown(&sk_fds))
+		goto check_linum;
+
+	ASSERT_EQ(misc_skel->bss->nr_syn, 1, "unexpected nr_syn");
+
+	ASSERT_EQ(misc_skel->bss->nr_data, nr_data, "unexpected nr_data");
+
+	/* The last ACK may have been delayed, so it is either 1 or 2. */
+	CHECK(misc_skel->bss->nr_pure_ack != 1 &&
+	      misc_skel->bss->nr_pure_ack != 2,
+	      "unexpected nr_pure_ack",
+	      "expected (1 or 2) != actual (%u)\n",
+		misc_skel->bss->nr_pure_ack);
+
+	ASSERT_EQ(misc_skel->bss->nr_fin, 1, "unexpected nr_fin");
+
+check_linum:
+	ASSERT_FALSE(check_error_linum(&sk_fds), "check_error_linum");
+	sk_fds_close(&sk_fds);
+	bpf_link__destroy(link);
+}
+
+struct test {
+	const char *desc;
+	void (*run)(void);
+};
+
+#define DEF_TEST(name) { #name, name }
+static struct test tests[] = {
+	DEF_TEST(simple_estab),
+	DEF_TEST(no_exprm_estab),
+	DEF_TEST(syncookie_estab),
+	DEF_TEST(fastopen_estab),
+	DEF_TEST(fin),
+	DEF_TEST(misc),
+};
+
+void test_tcp_hdr_options(void)
+{
+	int i;
+
+	skel = test_tcp_hdr_options__open_and_load();
+	if (!ASSERT_OK_PTR(skel, "open and load skel"))
+		return;
+
+	misc_skel = test_misc_tcp_hdr_options__open_and_load();
+	if (!ASSERT_OK_PTR(misc_skel, "open and load misc test skel"))
+		goto skel_destroy;
+
+	cg_fd = test__join_cgroup(CG_NAME);
+	if (!ASSERT_GE(cg_fd, 0, "join_cgroup"))
+		goto skel_destroy;
+
+	for (i = 0; i < ARRAY_SIZE(tests); i++) {
+		if (!test__start_subtest(tests[i].desc))
+			continue;
+
+		if (create_netns())
+			break;
+
+		tests[i].run();
+
+		reset_test();
+	}
+
+	close(cg_fd);
+skel_destroy:
+	test_misc_tcp_hdr_options__destroy(misc_skel);
+	test_tcp_hdr_options__destroy(skel);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/tcp_rtt.c b/tools/testing/selftests/bpf/prog_tests/tcp_rtt.c
new file mode 100644
index 000000000..8fe84da1b
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/tcp_rtt.c
@@ -0,0 +1,164 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <test_progs.h>
+#include "cgroup_helpers.h"
+#include "network_helpers.h"
+#include "tcp_rtt.skel.h"
+
+struct tcp_rtt_storage {
+	__u32 invoked;
+	__u32 dsack_dups;
+	__u32 delivered;
+	__u32 delivered_ce;
+	__u32 icsk_retransmits;
+};
+
+static void send_byte(int fd)
+{
+	char b = 0x55;
+
+	ASSERT_EQ(write(fd, &b, sizeof(b)), 1, "send single byte");
+}
+
+static int wait_for_ack(int fd, int retries)
+{
+	struct tcp_info info;
+	socklen_t optlen;
+	int i, err;
+
+	for (i = 0; i < retries; i++) {
+		optlen = sizeof(info);
+		err = getsockopt(fd, SOL_TCP, TCP_INFO, &info, &optlen);
+		if (err < 0) {
+			log_err("Failed to lookup TCP stats");
+			return err;
+		}
+
+		if (info.tcpi_unacked == 0)
+			return 0;
+
+		usleep(10);
+	}
+
+	log_err("Did not receive ACK");
+	return -1;
+}
+
+static int verify_sk(int map_fd, int client_fd, const char *msg, __u32 invoked,
+		     __u32 dsack_dups, __u32 delivered, __u32 delivered_ce,
+		     __u32 icsk_retransmits)
+{
+	int err = 0;
+	struct tcp_rtt_storage val;
+
+	if (!ASSERT_GE(bpf_map_lookup_elem(map_fd, &client_fd, &val), 0, "read socket storage"))
+		return -1;
+
+	if (val.invoked != invoked) {
+		log_err("%s: unexpected bpf_tcp_sock.invoked %d != %d",
+			msg, val.invoked, invoked);
+		err++;
+	}
+
+	if (val.dsack_dups != dsack_dups) {
+		log_err("%s: unexpected bpf_tcp_sock.dsack_dups %d != %d",
+			msg, val.dsack_dups, dsack_dups);
+		err++;
+	}
+
+	if (val.delivered != delivered) {
+		log_err("%s: unexpected bpf_tcp_sock.delivered %d != %d",
+			msg, val.delivered, delivered);
+		err++;
+	}
+
+	if (val.delivered_ce != delivered_ce) {
+		log_err("%s: unexpected bpf_tcp_sock.delivered_ce %d != %d",
+			msg, val.delivered_ce, delivered_ce);
+		err++;
+	}
+
+	if (val.icsk_retransmits != icsk_retransmits) {
+		log_err("%s: unexpected bpf_tcp_sock.icsk_retransmits %d != %d",
+			msg, val.icsk_retransmits, icsk_retransmits);
+		err++;
+	}
+
+	return err;
+}
+
+
+static int run_test(int cgroup_fd, int server_fd)
+{
+	struct tcp_rtt *skel;
+	int client_fd;
+	int prog_fd;
+	int map_fd;
+	int err;
+
+	skel = tcp_rtt__open_and_load();
+	if (!ASSERT_OK_PTR(skel, "skel_open_load"))
+		return -1;
+
+	map_fd = bpf_map__fd(skel->maps.socket_storage_map);
+	prog_fd = bpf_program__fd(skel->progs._sockops);
+
+	err = bpf_prog_attach(prog_fd, cgroup_fd, BPF_CGROUP_SOCK_OPS, 0);
+	if (err) {
+		log_err("Failed to attach BPF program");
+		goto close_bpf_object;
+	}
+
+	client_fd = connect_to_fd(server_fd, 0);
+	if (client_fd < 0) {
+		err = -1;
+		goto close_bpf_object;
+	}
+
+	err += verify_sk(map_fd, client_fd, "syn-ack",
+			 /*invoked=*/1,
+			 /*dsack_dups=*/0,
+			 /*delivered=*/1,
+			 /*delivered_ce=*/0,
+			 /*icsk_retransmits=*/0);
+
+	send_byte(client_fd);
+	if (wait_for_ack(client_fd, 100) < 0) {
+		err = -1;
+		goto close_client_fd;
+	}
+
+
+	err += verify_sk(map_fd, client_fd, "first payload byte",
+			 /*invoked=*/2,
+			 /*dsack_dups=*/0,
+			 /*delivered=*/2,
+			 /*delivered_ce=*/0,
+			 /*icsk_retransmits=*/0);
+
+close_client_fd:
+	close(client_fd);
+
+close_bpf_object:
+	tcp_rtt__destroy(skel);
+	return err;
+}
+
+void test_tcp_rtt(void)
+{
+	int server_fd, cgroup_fd;
+
+	cgroup_fd = test__join_cgroup("/tcp_rtt");
+	if (!ASSERT_GE(cgroup_fd, 0, "join_cgroup /tcp_rtt"))
+		return;
+
+	server_fd = start_server(AF_INET, SOCK_STREAM, NULL, 0, 0);
+	if (!ASSERT_GE(server_fd, 0, "start_server"))
+		goto close_cgroup_fd;
+
+	ASSERT_OK(run_test(cgroup_fd, server_fd), "run_test");
+
+	close(server_fd);
+
+close_cgroup_fd:
+	close(cgroup_fd);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/tcpbpf_user.c b/tools/testing/selftests/bpf/prog_tests/tcpbpf_user.c
new file mode 100644
index 000000000..7e8fe1bad
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/tcpbpf_user.c
@@ -0,0 +1,137 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <test_progs.h>
+#include <network_helpers.h>
+
+#include "test_tcpbpf.h"
+#include "test_tcpbpf_kern.skel.h"
+
+#define LO_ADDR6 "::1"
+#define CG_NAME "/tcpbpf-user-test"
+
+static void verify_result(struct tcpbpf_globals *result)
+{
+	__u32 expected_events = ((1 << BPF_SOCK_OPS_TIMEOUT_INIT) |
+				 (1 << BPF_SOCK_OPS_RWND_INIT) |
+				 (1 << BPF_SOCK_OPS_TCP_CONNECT_CB) |
+				 (1 << BPF_SOCK_OPS_ACTIVE_ESTABLISHED_CB) |
+				 (1 << BPF_SOCK_OPS_PASSIVE_ESTABLISHED_CB) |
+				 (1 << BPF_SOCK_OPS_NEEDS_ECN) |
+				 (1 << BPF_SOCK_OPS_STATE_CB) |
+				 (1 << BPF_SOCK_OPS_TCP_LISTEN_CB));
+
+	/* check global map */
+	ASSERT_EQ(expected_events, result->event_map, "event_map");
+
+	ASSERT_EQ(result->bytes_received, 501, "bytes_received");
+	ASSERT_EQ(result->bytes_acked, 1002, "bytes_acked");
+	ASSERT_EQ(result->data_segs_in, 1, "data_segs_in");
+	ASSERT_EQ(result->data_segs_out, 1, "data_segs_out");
+	ASSERT_EQ(result->bad_cb_test_rv, 0x80, "bad_cb_test_rv");
+	ASSERT_EQ(result->good_cb_test_rv, 0, "good_cb_test_rv");
+	ASSERT_EQ(result->num_listen, 1, "num_listen");
+
+	/* 3 comes from one listening socket + both ends of the connection */
+	ASSERT_EQ(result->num_close_events, 3, "num_close_events");
+
+	/* check setsockopt for SAVE_SYN */
+	ASSERT_EQ(result->tcp_save_syn, 0, "tcp_save_syn");
+
+	/* check getsockopt for SAVED_SYN */
+	ASSERT_EQ(result->tcp_saved_syn, 1, "tcp_saved_syn");
+
+	/* check getsockopt for window_clamp */
+	ASSERT_EQ(result->window_clamp_client, 9216, "window_clamp_client");
+	ASSERT_EQ(result->window_clamp_server, 9216, "window_clamp_server");
+}
+
+static void run_test(struct tcpbpf_globals *result)
+{
+	int listen_fd = -1, cli_fd = -1, accept_fd = -1;
+	char buf[1000];
+	int err = -1;
+	int i, rv;
+
+	listen_fd = start_server(AF_INET6, SOCK_STREAM, LO_ADDR6, 0, 0);
+	if (!ASSERT_NEQ(listen_fd, -1, "start_server"))
+		goto done;
+
+	cli_fd = connect_to_fd(listen_fd, 0);
+	if (!ASSERT_NEQ(cli_fd, -1, "connect_to_fd(listen_fd)"))
+		goto done;
+
+	accept_fd = accept(listen_fd, NULL, NULL);
+	if (!ASSERT_NEQ(accept_fd, -1, "accept(listen_fd)"))
+		goto done;
+
+	/* Send 1000B of '+'s from cli_fd -> accept_fd */
+	for (i = 0; i < 1000; i++)
+		buf[i] = '+';
+
+	rv = send(cli_fd, buf, 1000, 0);
+	if (!ASSERT_EQ(rv, 1000, "send(cli_fd)"))
+		goto done;
+
+	rv = recv(accept_fd, buf, 1000, 0);
+	if (!ASSERT_EQ(rv, 1000, "recv(accept_fd)"))
+		goto done;
+
+	/* Send 500B of '.'s from accept_fd ->cli_fd */
+	for (i = 0; i < 500; i++)
+		buf[i] = '.';
+
+	rv = send(accept_fd, buf, 500, 0);
+	if (!ASSERT_EQ(rv, 500, "send(accept_fd)"))
+		goto done;
+
+	rv = recv(cli_fd, buf, 500, 0);
+	if (!ASSERT_EQ(rv, 500, "recv(cli_fd)"))
+		goto done;
+
+	/*
+	 * shutdown accept first to guarantee correct ordering for
+	 * bytes_received and bytes_acked when we go to verify the results.
+	 */
+	shutdown(accept_fd, SHUT_WR);
+	err = recv(cli_fd, buf, 1, 0);
+	if (!ASSERT_OK(err, "recv(cli_fd) for fin"))
+		goto done;
+
+	shutdown(cli_fd, SHUT_WR);
+	err = recv(accept_fd, buf, 1, 0);
+	ASSERT_OK(err, "recv(accept_fd) for fin");
+done:
+	if (accept_fd != -1)
+		close(accept_fd);
+	if (cli_fd != -1)
+		close(cli_fd);
+	if (listen_fd != -1)
+		close(listen_fd);
+
+	if (!err)
+		verify_result(result);
+}
+
+void test_tcpbpf_user(void)
+{
+	struct test_tcpbpf_kern *skel;
+	int cg_fd = -1;
+
+	skel = test_tcpbpf_kern__open_and_load();
+	if (!ASSERT_OK_PTR(skel, "open and load skel"))
+		return;
+
+	cg_fd = test__join_cgroup(CG_NAME);
+	if (!ASSERT_GE(cg_fd, 0, "test__join_cgroup(" CG_NAME ")"))
+		goto err;
+
+	skel->links.bpf_testcb = bpf_program__attach_cgroup(skel->progs.bpf_testcb, cg_fd);
+	if (!ASSERT_OK_PTR(skel->links.bpf_testcb, "attach_cgroup(bpf_testcb)"))
+		goto err;
+
+	run_test(&skel->bss->global);
+
+err:
+	if (cg_fd != -1)
+		close(cg_fd);
+	test_tcpbpf_kern__destroy(skel);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/test_bpf_syscall_macro.c b/tools/testing/selftests/bpf/prog_tests/test_bpf_syscall_macro.c
new file mode 100644
index 000000000..c381faaae
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/test_bpf_syscall_macro.c
@@ -0,0 +1,73 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright 2022 Sony Group Corporation */
+#include <sys/prctl.h>
+#include <test_progs.h>
+#include "bpf_syscall_macro.skel.h"
+
+void test_bpf_syscall_macro(void)
+{
+	struct bpf_syscall_macro *skel = NULL;
+	int err;
+	int exp_arg1 = 1001;
+	unsigned long exp_arg2 = 12;
+	unsigned long exp_arg3 = 13;
+	unsigned long exp_arg4 = 14;
+	unsigned long exp_arg5 = 15;
+
+	/* check whether it can open program */
+	skel = bpf_syscall_macro__open();
+	if (!ASSERT_OK_PTR(skel, "bpf_syscall_macro__open"))
+		return;
+
+	skel->rodata->filter_pid = getpid();
+
+	/* check whether it can load program */
+	err = bpf_syscall_macro__load(skel);
+	if (!ASSERT_OK(err, "bpf_syscall_macro__load"))
+		goto cleanup;
+
+	/* check whether it can attach kprobe */
+	err = bpf_syscall_macro__attach(skel);
+	if (!ASSERT_OK(err, "bpf_syscall_macro__attach"))
+		goto cleanup;
+
+	/* check whether args of syscall are copied correctly */
+	prctl(exp_arg1, exp_arg2, exp_arg3, exp_arg4, exp_arg5);
+#if defined(__aarch64__) || defined(__s390__)
+	ASSERT_NEQ(skel->bss->arg1, exp_arg1, "syscall_arg1");
+#else
+	ASSERT_EQ(skel->bss->arg1, exp_arg1, "syscall_arg1");
+#endif
+	ASSERT_EQ(skel->bss->arg2, exp_arg2, "syscall_arg2");
+	ASSERT_EQ(skel->bss->arg3, exp_arg3, "syscall_arg3");
+	/* it cannot copy arg4 when uses PT_REGS_PARM4 on x86_64 */
+#ifdef __x86_64__
+	ASSERT_NEQ(skel->bss->arg4_cx, exp_arg4, "syscall_arg4_from_cx");
+#else
+	ASSERT_EQ(skel->bss->arg4_cx, exp_arg4, "syscall_arg4_from_cx");
+#endif
+	ASSERT_EQ(skel->bss->arg4, exp_arg4, "syscall_arg4");
+	ASSERT_EQ(skel->bss->arg5, exp_arg5, "syscall_arg5");
+
+	/* check whether args of syscall are copied correctly for CORE variants */
+	ASSERT_EQ(skel->bss->arg1_core, exp_arg1, "syscall_arg1_core_variant");
+	ASSERT_EQ(skel->bss->arg2_core, exp_arg2, "syscall_arg2_core_variant");
+	ASSERT_EQ(skel->bss->arg3_core, exp_arg3, "syscall_arg3_core_variant");
+	/* it cannot copy arg4 when uses PT_REGS_PARM4_CORE on x86_64 */
+#ifdef __x86_64__
+	ASSERT_NEQ(skel->bss->arg4_core_cx, exp_arg4, "syscall_arg4_from_cx_core_variant");
+#else
+	ASSERT_EQ(skel->bss->arg4_core_cx, exp_arg4, "syscall_arg4_from_cx_core_variant");
+#endif
+	ASSERT_EQ(skel->bss->arg4_core, exp_arg4, "syscall_arg4_core_variant");
+	ASSERT_EQ(skel->bss->arg5_core, exp_arg5, "syscall_arg5_core_variant");
+
+	ASSERT_EQ(skel->bss->option_syscall, exp_arg1, "BPF_KPROBE_SYSCALL_option");
+	ASSERT_EQ(skel->bss->arg2_syscall, exp_arg2, "BPF_KPROBE_SYSCALL_arg2");
+	ASSERT_EQ(skel->bss->arg3_syscall, exp_arg3, "BPF_KPROBE_SYSCALL_arg3");
+	ASSERT_EQ(skel->bss->arg4_syscall, exp_arg4, "BPF_KPROBE_SYSCALL_arg4");
+	ASSERT_EQ(skel->bss->arg5_syscall, exp_arg5, "BPF_KPROBE_SYSCALL_arg5");
+
+cleanup:
+	bpf_syscall_macro__destroy(skel);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/test_bpffs.c b/tools/testing/selftests/bpf/prog_tests/test_bpffs.c
new file mode 100644
index 000000000..214d9f4a9
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/test_bpffs.c
@@ -0,0 +1,159 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2020 Facebook */
+#define _GNU_SOURCE
+#include <stdio.h>
+#include <sched.h>
+#include <sys/mount.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <test_progs.h>
+
+#define TDIR "/sys/kernel/debug"
+
+static int read_iter(char *file)
+{
+	/* 1024 should be enough to get contiguous 4 "iter" letters at some point */
+	char buf[1024];
+	int fd, len;
+
+	fd = open(file, 0);
+	if (fd < 0)
+		return -1;
+	while ((len = read(fd, buf, sizeof(buf))) > 0) {
+		buf[sizeof(buf) - 1] = '\0';
+		if (strstr(buf, "iter")) {
+			close(fd);
+			return 0;
+		}
+	}
+	close(fd);
+	return -1;
+}
+
+static int fn(void)
+{
+	struct stat a, b, c;
+	int err, map;
+
+	err = unshare(CLONE_NEWNS);
+	if (!ASSERT_OK(err, "unshare"))
+		goto out;
+
+	err = mount("", "/", "", MS_REC | MS_PRIVATE, NULL);
+	if (!ASSERT_OK(err, "mount /"))
+		goto out;
+
+	err = umount(TDIR);
+	if (!ASSERT_OK(err, "umount " TDIR))
+		goto out;
+
+	err = mount("none", TDIR, "tmpfs", 0, NULL);
+	if (!ASSERT_OK(err, "mount tmpfs"))
+		goto out;
+
+	err = mkdir(TDIR "/fs1", 0777);
+	if (!ASSERT_OK(err, "mkdir " TDIR "/fs1"))
+		goto out;
+	err = mkdir(TDIR "/fs2", 0777);
+	if (!ASSERT_OK(err, "mkdir " TDIR "/fs2"))
+		goto out;
+
+	err = mount("bpf", TDIR "/fs1", "bpf", 0, NULL);
+	if (!ASSERT_OK(err, "mount bpffs " TDIR "/fs1"))
+		goto out;
+	err = mount("bpf", TDIR "/fs2", "bpf", 0, NULL);
+	if (!ASSERT_OK(err, "mount bpffs " TDIR "/fs2"))
+		goto out;
+
+	err = read_iter(TDIR "/fs1/maps.debug");
+	if (!ASSERT_OK(err, "reading " TDIR "/fs1/maps.debug"))
+		goto out;
+	err = read_iter(TDIR "/fs2/progs.debug");
+	if (!ASSERT_OK(err, "reading " TDIR "/fs2/progs.debug"))
+		goto out;
+
+	err = mkdir(TDIR "/fs1/a", 0777);
+	if (!ASSERT_OK(err, "creating " TDIR "/fs1/a"))
+		goto out;
+	err = mkdir(TDIR "/fs1/a/1", 0777);
+	if (!ASSERT_OK(err, "creating " TDIR "/fs1/a/1"))
+		goto out;
+	err = mkdir(TDIR "/fs1/b", 0777);
+	if (!ASSERT_OK(err, "creating " TDIR "/fs1/b"))
+		goto out;
+
+	map = bpf_map_create(BPF_MAP_TYPE_ARRAY, NULL, 4, 4, 1, NULL);
+	if (!ASSERT_GT(map, 0, "create_map(ARRAY)"))
+		goto out;
+	err = bpf_obj_pin(map, TDIR "/fs1/c");
+	if (!ASSERT_OK(err, "pin map"))
+		goto out;
+	close(map);
+
+	/* Check that RENAME_EXCHANGE works for directories. */
+	err = stat(TDIR "/fs1/a", &a);
+	if (!ASSERT_OK(err, "stat(" TDIR "/fs1/a)"))
+		goto out;
+	err = renameat2(0, TDIR "/fs1/a", 0, TDIR "/fs1/b", RENAME_EXCHANGE);
+	if (!ASSERT_OK(err, "renameat2(/fs1/a, /fs1/b, RENAME_EXCHANGE)"))
+		goto out;
+	err = stat(TDIR "/fs1/b", &b);
+	if (!ASSERT_OK(err, "stat(" TDIR "/fs1/b)"))
+		goto out;
+	if (!ASSERT_EQ(a.st_ino, b.st_ino, "b should have a's inode"))
+		goto out;
+	err = access(TDIR "/fs1/b/1", F_OK);
+	if (!ASSERT_OK(err, "access(" TDIR "/fs1/b/1)"))
+		goto out;
+
+	/* Check that RENAME_EXCHANGE works for mixed file types. */
+	err = stat(TDIR "/fs1/c", &c);
+	if (!ASSERT_OK(err, "stat(" TDIR "/fs1/map)"))
+		goto out;
+	err = renameat2(0, TDIR "/fs1/c", 0, TDIR "/fs1/b", RENAME_EXCHANGE);
+	if (!ASSERT_OK(err, "renameat2(/fs1/c, /fs1/b, RENAME_EXCHANGE)"))
+		goto out;
+	err = stat(TDIR "/fs1/b", &b);
+	if (!ASSERT_OK(err, "stat(" TDIR "/fs1/b)"))
+		goto out;
+	if (!ASSERT_EQ(c.st_ino, b.st_ino, "b should have c's inode"))
+		goto out;
+	err = access(TDIR "/fs1/c/1", F_OK);
+	if (!ASSERT_OK(err, "access(" TDIR "/fs1/c/1)"))
+		goto out;
+
+	/* Check that RENAME_NOREPLACE works. */
+	err = renameat2(0, TDIR "/fs1/b", 0, TDIR "/fs1/a", RENAME_NOREPLACE);
+	if (!ASSERT_ERR(err, "renameat2(RENAME_NOREPLACE)")) {
+		err = -EINVAL;
+		goto out;
+	}
+	err = access(TDIR "/fs1/b", F_OK);
+	if (!ASSERT_OK(err, "access(" TDIR "/fs1/b)"))
+		goto out;
+
+out:
+	umount(TDIR "/fs1");
+	umount(TDIR "/fs2");
+	rmdir(TDIR "/fs1");
+	rmdir(TDIR "/fs2");
+	umount(TDIR);
+	exit(err);
+}
+
+void test_test_bpffs(void)
+{
+	int err, duration = 0, status = 0;
+	pid_t pid;
+
+	pid = fork();
+	if (CHECK(pid == -1, "clone", "clone failed %d", errno))
+		return;
+	if (pid == 0)
+		fn();
+	err = waitpid(pid, &status, 0);
+	if (CHECK(err == -1 && errno != ECHILD, "waitpid", "failed %d", errno))
+		return;
+	if (CHECK(WEXITSTATUS(status), "bpffs test ", "failed %d", WEXITSTATUS(status)))
+		return;
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/test_bprm_opts.c b/tools/testing/selftests/bpf/prog_tests/test_bprm_opts.c
new file mode 100644
index 000000000..a0054019e
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/test_bprm_opts.c
@@ -0,0 +1,108 @@
+// SPDX-License-Identifier: GPL-2.0
+
+/*
+ * Copyright (C) 2020 Google LLC.
+ */
+
+#include <test_progs.h>
+#include <linux/limits.h>
+
+#include "bprm_opts.skel.h"
+#include "network_helpers.h"
+#include "task_local_storage_helpers.h"
+
+static const char * const bash_envp[] = { "TMPDIR=shouldnotbeset", NULL };
+
+static int update_storage(int map_fd, int secureexec)
+{
+	int task_fd, ret = 0;
+
+	task_fd = sys_pidfd_open(getpid(), 0);
+	if (task_fd < 0)
+		return errno;
+
+	ret = bpf_map_update_elem(map_fd, &task_fd, &secureexec, BPF_NOEXIST);
+	if (ret)
+		ret = errno;
+
+	close(task_fd);
+	return ret;
+}
+
+static int run_set_secureexec(int map_fd, int secureexec)
+{
+	int child_pid, child_status, ret, null_fd;
+
+	child_pid = fork();
+	if (child_pid == 0) {
+		null_fd = open("/dev/null", O_WRONLY);
+		if (null_fd == -1)
+			exit(errno);
+		dup2(null_fd, STDOUT_FILENO);
+		dup2(null_fd, STDERR_FILENO);
+		close(null_fd);
+
+		/* Ensure that all executions from hereon are
+		 * secure by setting a local storage which is read by
+		 * the bprm_creds_for_exec hook and sets bprm->secureexec.
+		 */
+		ret = update_storage(map_fd, secureexec);
+		if (ret)
+			exit(ret);
+
+		/* If the binary is executed with securexec=1, the dynamic
+		 * loader ingores and unsets certain variables like LD_PRELOAD,
+		 * TMPDIR etc. TMPDIR is used here to simplify the example, as
+		 * LD_PRELOAD requires a real .so file.
+		 *
+		 * If the value of TMPDIR is set, the bash command returns 10
+		 * and if the value is unset, it returns 20.
+		 */
+		execle("/bin/bash", "bash", "-c",
+		       "[[ -z \"${TMPDIR}\" ]] || exit 10 && exit 20", NULL,
+		       bash_envp);
+		exit(errno);
+	} else if (child_pid > 0) {
+		waitpid(child_pid, &child_status, 0);
+		ret = WEXITSTATUS(child_status);
+
+		/* If a secureexec occurred, the exit status should be 20 */
+		if (secureexec && ret == 20)
+			return 0;
+
+		/* If normal execution happened, the exit code should be 10 */
+		if (!secureexec && ret == 10)
+			return 0;
+	}
+
+	return -EINVAL;
+}
+
+void test_test_bprm_opts(void)
+{
+	int err, duration = 0;
+	struct bprm_opts *skel = NULL;
+
+	skel = bprm_opts__open_and_load();
+	if (CHECK(!skel, "skel_load", "skeleton failed\n"))
+		goto close_prog;
+
+	err = bprm_opts__attach(skel);
+	if (CHECK(err, "attach", "attach failed: %d\n", err))
+		goto close_prog;
+
+	/* Run the test with the secureexec bit unset */
+	err = run_set_secureexec(bpf_map__fd(skel->maps.secure_exec_task_map),
+				 0 /* secureexec */);
+	if (CHECK(err, "run_set_secureexec:0", "err = %d\n", err))
+		goto close_prog;
+
+	/* Run the test with the secureexec bit set */
+	err = run_set_secureexec(bpf_map__fd(skel->maps.secure_exec_task_map),
+				 1 /* secureexec */);
+	if (CHECK(err, "run_set_secureexec:1", "err = %d\n", err))
+		goto close_prog;
+
+close_prog:
+	bprm_opts__destroy(skel);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/test_global_funcs.c b/tools/testing/selftests/bpf/prog_tests/test_global_funcs.c
new file mode 100644
index 000000000..7295cc60f
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/test_global_funcs.c
@@ -0,0 +1,104 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2020 Facebook */
+#include <test_progs.h>
+
+const char *err_str;
+bool found;
+
+static int libbpf_debug_print(enum libbpf_print_level level,
+			      const char *format, va_list args)
+{
+	char *log_buf;
+
+	if (level != LIBBPF_WARN ||
+	    strcmp(format, "libbpf: \n%s\n")) {
+		vprintf(format, args);
+		return 0;
+	}
+
+	log_buf = va_arg(args, char *);
+	if (!log_buf)
+		goto out;
+	if (err_str && strstr(log_buf, err_str) == 0)
+		found = true;
+out:
+	printf(format, log_buf);
+	return 0;
+}
+
+extern int extra_prog_load_log_flags;
+
+static int check_load(const char *file)
+{
+	struct bpf_object *obj = NULL;
+	struct bpf_program *prog;
+	int err;
+
+	found = false;
+
+	obj = bpf_object__open_file(file, NULL);
+	err = libbpf_get_error(obj);
+	if (err)
+		return err;
+
+	prog = bpf_object__next_program(obj, NULL);
+	if (!prog) {
+		err = -ENOENT;
+		goto err_out;
+	}
+
+	bpf_program__set_flags(prog, BPF_F_TEST_RND_HI32);
+	bpf_program__set_log_level(prog, extra_prog_load_log_flags);
+
+	err = bpf_object__load(obj);
+
+err_out:
+	bpf_object__close(obj);
+	return err;
+}
+
+struct test_def {
+	const char *file;
+	const char *err_str;
+};
+
+void test_test_global_funcs(void)
+{
+	struct test_def tests[] = {
+		{ "test_global_func1.bpf.o", "combined stack size of 4 calls is 544" },
+		{ "test_global_func2.bpf.o" },
+		{ "test_global_func3.bpf.o", "the call stack of 8 frames" },
+		{ "test_global_func4.bpf.o" },
+		{ "test_global_func5.bpf.o", "expected pointer to ctx, but got PTR" },
+		{ "test_global_func6.bpf.o", "modified ctx ptr R2" },
+		{ "test_global_func7.bpf.o", "foo() doesn't return scalar" },
+		{ "test_global_func8.bpf.o" },
+		{ "test_global_func9.bpf.o" },
+		{ "test_global_func10.bpf.o", "invalid indirect read from stack" },
+		{ "test_global_func11.bpf.o", "Caller passes invalid args into func#1" },
+		{ "test_global_func12.bpf.o", "invalid mem access 'mem_or_null'" },
+		{ "test_global_func13.bpf.o", "Caller passes invalid args into func#1" },
+		{ "test_global_func14.bpf.o", "reference type('FWD S') size cannot be determined" },
+		{ "test_global_func15.bpf.o", "At program exit the register R0 has value" },
+		{ "test_global_func16.bpf.o", "invalid indirect read from stack" },
+		{ "test_global_func17.bpf.o", "Caller passes invalid args into func#1" },
+	};
+	libbpf_print_fn_t old_print_fn = NULL;
+	int err, i, duration = 0;
+
+	old_print_fn = libbpf_set_print(libbpf_debug_print);
+
+	for (i = 0; i < ARRAY_SIZE(tests); i++) {
+		const struct test_def *test = &tests[i];
+
+		if (!test__start_subtest(test->file))
+			continue;
+
+		err_str = test->err_str;
+		err = check_load(test->file);
+		CHECK_FAIL(!!err ^ !!err_str);
+		if (err_str)
+			CHECK(found, "", "expected string '%s'", err_str);
+	}
+	libbpf_set_print(old_print_fn);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/test_ima.c b/tools/testing/selftests/bpf/prog_tests/test_ima.c
new file mode 100644
index 000000000..b13feceb3
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/test_ima.c
@@ -0,0 +1,227 @@
+// SPDX-License-Identifier: GPL-2.0
+
+/*
+ * Copyright (C) 2020 Google LLC.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <sys/wait.h>
+#include <test_progs.h>
+#include <linux/ring_buffer.h>
+
+#include "ima.skel.h"
+
+#define MAX_SAMPLES 4
+
+static int _run_measured_process(const char *measured_dir, u32 *monitored_pid,
+				 const char *cmd)
+{
+	int child_pid, child_status;
+
+	child_pid = fork();
+	if (child_pid == 0) {
+		*monitored_pid = getpid();
+		execlp("./ima_setup.sh", "./ima_setup.sh", cmd, measured_dir,
+		       NULL);
+		exit(errno);
+
+	} else if (child_pid > 0) {
+		waitpid(child_pid, &child_status, 0);
+		return WEXITSTATUS(child_status);
+	}
+
+	return -EINVAL;
+}
+
+static int run_measured_process(const char *measured_dir, u32 *monitored_pid)
+{
+	return _run_measured_process(measured_dir, monitored_pid, "run");
+}
+
+static u64 ima_hash_from_bpf[MAX_SAMPLES];
+static int ima_hash_from_bpf_idx;
+
+static int process_sample(void *ctx, void *data, size_t len)
+{
+	if (ima_hash_from_bpf_idx >= MAX_SAMPLES)
+		return -ENOSPC;
+
+	ima_hash_from_bpf[ima_hash_from_bpf_idx++] = *((u64 *)data);
+	return 0;
+}
+
+static void test_init(struct ima__bss *bss)
+{
+	ima_hash_from_bpf_idx = 0;
+
+	bss->use_ima_file_hash = false;
+	bss->enable_bprm_creds_for_exec = false;
+	bss->enable_kernel_read_file = false;
+	bss->test_deny = false;
+}
+
+void test_test_ima(void)
+{
+	char measured_dir_template[] = "/tmp/ima_measuredXXXXXX";
+	struct ring_buffer *ringbuf = NULL;
+	const char *measured_dir;
+	u64 bin_true_sample;
+	char cmd[256];
+
+	int err, duration = 0;
+	struct ima *skel = NULL;
+
+	skel = ima__open_and_load();
+	if (CHECK(!skel, "skel_load", "skeleton failed\n"))
+		goto close_prog;
+
+	ringbuf = ring_buffer__new(bpf_map__fd(skel->maps.ringbuf),
+				   process_sample, NULL, NULL);
+	if (!ASSERT_OK_PTR(ringbuf, "ringbuf"))
+		goto close_prog;
+
+	err = ima__attach(skel);
+	if (CHECK(err, "attach", "attach failed: %d\n", err))
+		goto close_prog;
+
+	measured_dir = mkdtemp(measured_dir_template);
+	if (CHECK(measured_dir == NULL, "mkdtemp", "err %d\n", errno))
+		goto close_prog;
+
+	snprintf(cmd, sizeof(cmd), "./ima_setup.sh setup %s", measured_dir);
+	err = system(cmd);
+	if (CHECK(err, "failed to run command", "%s, errno = %d\n", cmd, errno))
+		goto close_clean;
+
+	/*
+	 * Test #1
+	 * - Goal: obtain a sample with the bpf_ima_inode_hash() helper
+	 * - Expected result:  1 sample (/bin/true)
+	 */
+	test_init(skel->bss);
+	err = run_measured_process(measured_dir, &skel->bss->monitored_pid);
+	if (CHECK(err, "run_measured_process #1", "err = %d\n", err))
+		goto close_clean;
+
+	err = ring_buffer__consume(ringbuf);
+	ASSERT_EQ(err, 1, "num_samples_or_err");
+	ASSERT_NEQ(ima_hash_from_bpf[0], 0, "ima_hash");
+
+	/*
+	 * Test #2
+	 * - Goal: obtain samples with the bpf_ima_file_hash() helper
+	 * - Expected result: 2 samples (./ima_setup.sh, /bin/true)
+	 */
+	test_init(skel->bss);
+	skel->bss->use_ima_file_hash = true;
+	err = run_measured_process(measured_dir, &skel->bss->monitored_pid);
+	if (CHECK(err, "run_measured_process #2", "err = %d\n", err))
+		goto close_clean;
+
+	err = ring_buffer__consume(ringbuf);
+	ASSERT_EQ(err, 2, "num_samples_or_err");
+	ASSERT_NEQ(ima_hash_from_bpf[0], 0, "ima_hash");
+	ASSERT_NEQ(ima_hash_from_bpf[1], 0, "ima_hash");
+	bin_true_sample = ima_hash_from_bpf[1];
+
+	/*
+	 * Test #3
+	 * - Goal: confirm that bpf_ima_inode_hash() returns a non-fresh digest
+	 * - Expected result: 2 samples (/bin/true: non-fresh, fresh)
+	 */
+	test_init(skel->bss);
+
+	err = _run_measured_process(measured_dir, &skel->bss->monitored_pid,
+				    "modify-bin");
+	if (CHECK(err, "modify-bin #3", "err = %d\n", err))
+		goto close_clean;
+
+	skel->bss->enable_bprm_creds_for_exec = true;
+	err = run_measured_process(measured_dir, &skel->bss->monitored_pid);
+	if (CHECK(err, "run_measured_process #3", "err = %d\n", err))
+		goto close_clean;
+
+	err = ring_buffer__consume(ringbuf);
+	ASSERT_EQ(err, 2, "num_samples_or_err");
+	ASSERT_NEQ(ima_hash_from_bpf[0], 0, "ima_hash");
+	ASSERT_NEQ(ima_hash_from_bpf[1], 0, "ima_hash");
+	ASSERT_EQ(ima_hash_from_bpf[0], bin_true_sample, "sample_equal_or_err");
+	/* IMA refreshed the digest. */
+	ASSERT_NEQ(ima_hash_from_bpf[1], bin_true_sample,
+		   "sample_different_or_err");
+
+	/*
+	 * Test #4
+	 * - Goal: verify that bpf_ima_file_hash() returns a fresh digest
+	 * - Expected result: 4 samples (./ima_setup.sh: fresh, fresh;
+	 *                               /bin/true: fresh, fresh)
+	 */
+	test_init(skel->bss);
+	skel->bss->use_ima_file_hash = true;
+	skel->bss->enable_bprm_creds_for_exec = true;
+	err = run_measured_process(measured_dir, &skel->bss->monitored_pid);
+	if (CHECK(err, "run_measured_process #4", "err = %d\n", err))
+		goto close_clean;
+
+	err = ring_buffer__consume(ringbuf);
+	ASSERT_EQ(err, 4, "num_samples_or_err");
+	ASSERT_NEQ(ima_hash_from_bpf[0], 0, "ima_hash");
+	ASSERT_NEQ(ima_hash_from_bpf[1], 0, "ima_hash");
+	ASSERT_NEQ(ima_hash_from_bpf[2], 0, "ima_hash");
+	ASSERT_NEQ(ima_hash_from_bpf[3], 0, "ima_hash");
+	ASSERT_NEQ(ima_hash_from_bpf[2], bin_true_sample,
+		   "sample_different_or_err");
+	ASSERT_EQ(ima_hash_from_bpf[3], ima_hash_from_bpf[2],
+		  "sample_equal_or_err");
+
+	skel->bss->use_ima_file_hash = false;
+	skel->bss->enable_bprm_creds_for_exec = false;
+	err = _run_measured_process(measured_dir, &skel->bss->monitored_pid,
+				    "restore-bin");
+	if (CHECK(err, "restore-bin #3", "err = %d\n", err))
+		goto close_clean;
+
+	/*
+	 * Test #5
+	 * - Goal: obtain a sample from the kernel_read_file hook
+	 * - Expected result: 2 samples (./ima_setup.sh, policy_test)
+	 */
+	test_init(skel->bss);
+	skel->bss->use_ima_file_hash = true;
+	skel->bss->enable_kernel_read_file = true;
+	err = _run_measured_process(measured_dir, &skel->bss->monitored_pid,
+				    "load-policy");
+	if (CHECK(err, "run_measured_process #5", "err = %d\n", err))
+		goto close_clean;
+
+	err = ring_buffer__consume(ringbuf);
+	ASSERT_EQ(err, 2, "num_samples_or_err");
+	ASSERT_NEQ(ima_hash_from_bpf[0], 0, "ima_hash");
+	ASSERT_NEQ(ima_hash_from_bpf[1], 0, "ima_hash");
+
+	/*
+	 * Test #6
+	 * - Goal: ensure that the kernel_read_file hook denies an operation
+	 * - Expected result: 0 samples
+	 */
+	test_init(skel->bss);
+	skel->bss->enable_kernel_read_file = true;
+	skel->bss->test_deny = true;
+	err = _run_measured_process(measured_dir, &skel->bss->monitored_pid,
+				    "load-policy");
+	if (CHECK(!err, "run_measured_process #6", "err = %d\n", err))
+		goto close_clean;
+
+	err = ring_buffer__consume(ringbuf);
+	ASSERT_EQ(err, 0, "num_samples_or_err");
+
+close_clean:
+	snprintf(cmd, sizeof(cmd), "./ima_setup.sh cleanup %s", measured_dir);
+	err = system(cmd);
+	CHECK(err, "failed to run command", "%s, errno = %d\n", cmd, errno);
+close_prog:
+	ring_buffer__free(ringbuf);
+	ima__destroy(skel);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/test_local_storage.c b/tools/testing/selftests/bpf/prog_tests/test_local_storage.c
new file mode 100644
index 000000000..9c77cd6b1
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/test_local_storage.c
@@ -0,0 +1,184 @@
+// SPDX-License-Identifier: GPL-2.0
+
+/*
+ * Copyright (C) 2020 Google LLC.
+ */
+
+#include <asm-generic/errno-base.h>
+#include <sys/stat.h>
+#include <test_progs.h>
+#include <linux/limits.h>
+
+#include "local_storage.skel.h"
+#include "network_helpers.h"
+#include "task_local_storage_helpers.h"
+
+static unsigned int duration;
+
+#define TEST_STORAGE_VALUE 0xbeefdead
+
+struct storage {
+	void *inode;
+	unsigned int value;
+};
+
+/* Fork and exec the provided rm binary and return the exit code of the
+ * forked process and its pid.
+ */
+static int run_self_unlink(int *monitored_pid, const char *rm_path)
+{
+	int child_pid, child_status, ret;
+	int null_fd;
+
+	child_pid = fork();
+	if (child_pid == 0) {
+		null_fd = open("/dev/null", O_WRONLY);
+		dup2(null_fd, STDOUT_FILENO);
+		dup2(null_fd, STDERR_FILENO);
+		close(null_fd);
+
+		*monitored_pid = getpid();
+		/* Use the copied /usr/bin/rm to delete itself
+		 * /tmp/copy_of_rm /tmp/copy_of_rm.
+		 */
+		ret = execlp(rm_path, rm_path, rm_path, NULL);
+		if (ret)
+			exit(errno);
+	} else if (child_pid > 0) {
+		waitpid(child_pid, &child_status, 0);
+		return WEXITSTATUS(child_status);
+	}
+
+	return -EINVAL;
+}
+
+static bool check_syscall_operations(int map_fd, int obj_fd)
+{
+	struct storage val = { .value = TEST_STORAGE_VALUE },
+		       lookup_val = { .value = 0 };
+	int err;
+
+	/* Looking up an existing element should fail initially */
+	err = bpf_map_lookup_elem_flags(map_fd, &obj_fd, &lookup_val, 0);
+	if (CHECK(!err || errno != ENOENT, "bpf_map_lookup_elem",
+		  "err:%d errno:%d\n", err, errno))
+		return false;
+
+	/* Create a new element */
+	err = bpf_map_update_elem(map_fd, &obj_fd, &val, BPF_NOEXIST);
+	if (CHECK(err < 0, "bpf_map_update_elem", "err:%d errno:%d\n", err,
+		  errno))
+		return false;
+
+	/* Lookup the newly created element */
+	err = bpf_map_lookup_elem_flags(map_fd, &obj_fd, &lookup_val, 0);
+	if (CHECK(err < 0, "bpf_map_lookup_elem", "err:%d errno:%d", err,
+		  errno))
+		return false;
+
+	/* Check the value of the newly created element */
+	if (CHECK(lookup_val.value != val.value, "bpf_map_lookup_elem",
+		  "value got = %x errno:%d", lookup_val.value, val.value))
+		return false;
+
+	err = bpf_map_delete_elem(map_fd, &obj_fd);
+	if (CHECK(err, "bpf_map_delete_elem()", "err:%d errno:%d\n", err,
+		  errno))
+		return false;
+
+	/* The lookup should fail, now that the element has been deleted */
+	err = bpf_map_lookup_elem_flags(map_fd, &obj_fd, &lookup_val, 0);
+	if (CHECK(!err || errno != ENOENT, "bpf_map_lookup_elem",
+		  "err:%d errno:%d\n", err, errno))
+		return false;
+
+	return true;
+}
+
+void test_test_local_storage(void)
+{
+	char tmp_dir_path[] = "/tmp/local_storageXXXXXX";
+	int err, serv_sk = -1, task_fd = -1, rm_fd = -1;
+	struct local_storage *skel = NULL;
+	char tmp_exec_path[64];
+	char cmd[256];
+
+	skel = local_storage__open_and_load();
+	if (CHECK(!skel, "skel_load", "lsm skeleton failed\n"))
+		goto close_prog;
+
+	err = local_storage__attach(skel);
+	if (CHECK(err, "attach", "lsm attach failed: %d\n", err))
+		goto close_prog;
+
+	task_fd = sys_pidfd_open(getpid(), 0);
+	if (CHECK(task_fd < 0, "pidfd_open",
+		  "failed to get pidfd err:%d, errno:%d", task_fd, errno))
+		goto close_prog;
+
+	if (!check_syscall_operations(bpf_map__fd(skel->maps.task_storage_map),
+				      task_fd))
+		goto close_prog;
+
+	if (CHECK(!mkdtemp(tmp_dir_path), "mkdtemp",
+		  "unable to create tmpdir: %d\n", errno))
+		goto close_prog;
+
+	snprintf(tmp_exec_path, sizeof(tmp_exec_path), "%s/copy_of_rm",
+		 tmp_dir_path);
+	snprintf(cmd, sizeof(cmd), "cp /bin/rm %s", tmp_exec_path);
+	if (CHECK_FAIL(system(cmd)))
+		goto close_prog_rmdir;
+
+	rm_fd = open(tmp_exec_path, O_RDONLY);
+	if (CHECK(rm_fd < 0, "open", "failed to open %s err:%d, errno:%d",
+		  tmp_exec_path, rm_fd, errno))
+		goto close_prog_rmdir;
+
+	if (!check_syscall_operations(bpf_map__fd(skel->maps.inode_storage_map),
+				      rm_fd))
+		goto close_prog_rmdir;
+
+	/* Sets skel->bss->monitored_pid to the pid of the forked child
+	 * forks a child process that executes tmp_exec_path and tries to
+	 * unlink its executable. This operation should be denied by the loaded
+	 * LSM program.
+	 */
+	err = run_self_unlink(&skel->bss->monitored_pid, tmp_exec_path);
+	if (CHECK(err != EPERM, "run_self_unlink", "err %d want EPERM\n", err))
+		goto close_prog_rmdir;
+
+	/* Set the process being monitored to be the current process */
+	skel->bss->monitored_pid = getpid();
+
+	/* Move copy_of_rm to a new location so that it triggers the
+	 * inode_rename LSM hook with a new_dentry that has a NULL inode ptr.
+	 */
+	snprintf(cmd, sizeof(cmd), "mv %s/copy_of_rm %s/check_null_ptr",
+		 tmp_dir_path, tmp_dir_path);
+	if (CHECK_FAIL(system(cmd)))
+		goto close_prog_rmdir;
+
+	CHECK(skel->data->inode_storage_result != 0, "inode_storage_result",
+	      "inode_local_storage not set\n");
+
+	serv_sk = start_server(AF_INET6, SOCK_STREAM, NULL, 0, 0);
+	if (CHECK(serv_sk < 0, "start_server", "failed to start server\n"))
+		goto close_prog_rmdir;
+
+	CHECK(skel->data->sk_storage_result != 0, "sk_storage_result",
+	      "sk_local_storage not set\n");
+
+	if (!check_syscall_operations(bpf_map__fd(skel->maps.sk_storage_map),
+				      serv_sk))
+		goto close_prog_rmdir;
+
+close_prog_rmdir:
+	snprintf(cmd, sizeof(cmd), "rm -rf %s", tmp_dir_path);
+	system(cmd);
+close_prog:
+	close(serv_sk);
+	close(rm_fd);
+	close(task_fd);
+	local_storage__destroy(skel);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/test_lsm.c b/tools/testing/selftests/bpf/prog_tests/test_lsm.c
new file mode 100644
index 000000000..244c01125
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/test_lsm.c
@@ -0,0 +1,115 @@
+// SPDX-License-Identifier: GPL-2.0
+
+/*
+ * Copyright (C) 2020 Google LLC.
+ */
+
+#include <test_progs.h>
+#include <sys/mman.h>
+#include <sys/wait.h>
+#include <unistd.h>
+#include <malloc.h>
+#include <stdlib.h>
+
+#include "lsm.skel.h"
+
+char *CMD_ARGS[] = {"true", NULL};
+
+#define GET_PAGE_ADDR(ADDR, PAGE_SIZE)					\
+	(char *)(((unsigned long) (ADDR + PAGE_SIZE)) & ~(PAGE_SIZE-1))
+
+int stack_mprotect(void)
+{
+	void *buf;
+	long sz;
+	int ret;
+
+	sz = sysconf(_SC_PAGESIZE);
+	if (sz < 0)
+		return sz;
+
+	buf = alloca(sz * 3);
+	ret = mprotect(GET_PAGE_ADDR(buf, sz), sz,
+		       PROT_READ | PROT_WRITE | PROT_EXEC);
+	return ret;
+}
+
+int exec_cmd(int *monitored_pid)
+{
+	int child_pid, child_status;
+
+	child_pid = fork();
+	if (child_pid == 0) {
+		*monitored_pid = getpid();
+		execvp(CMD_ARGS[0], CMD_ARGS);
+		return -EINVAL;
+	} else if (child_pid > 0) {
+		waitpid(child_pid, &child_status, 0);
+		return child_status;
+	}
+
+	return -EINVAL;
+}
+
+static int test_lsm(struct lsm *skel)
+{
+	struct bpf_link *link;
+	int buf = 1234;
+	int err;
+
+	err = lsm__attach(skel);
+	if (!ASSERT_OK(err, "attach"))
+		return err;
+
+	/* Check that already linked program can't be attached again. */
+	link = bpf_program__attach(skel->progs.test_int_hook);
+	if (!ASSERT_ERR_PTR(link, "attach_link"))
+		return -1;
+
+	err = exec_cmd(&skel->bss->monitored_pid);
+	if (!ASSERT_OK(err, "exec_cmd"))
+		return err;
+
+	ASSERT_EQ(skel->bss->bprm_count, 1, "bprm_count");
+
+	skel->bss->monitored_pid = getpid();
+
+	err = stack_mprotect();
+	if (!ASSERT_EQ(errno, EPERM, "stack_mprotect"))
+		return err;
+
+	ASSERT_EQ(skel->bss->mprotect_count, 1, "mprotect_count");
+
+	syscall(__NR_setdomainname, &buf, -2L);
+	syscall(__NR_setdomainname, 0, -3L);
+	syscall(__NR_setdomainname, ~0L, -4L);
+
+	ASSERT_EQ(skel->bss->copy_test, 3, "copy_test");
+
+	lsm__detach(skel);
+
+	skel->bss->copy_test = 0;
+	skel->bss->bprm_count = 0;
+	skel->bss->mprotect_count = 0;
+	return 0;
+}
+
+void test_test_lsm(void)
+{
+	struct lsm *skel = NULL;
+	int err;
+
+	skel = lsm__open_and_load();
+	if (!ASSERT_OK_PTR(skel, "lsm_skel_load"))
+		goto close_prog;
+
+	err = test_lsm(skel);
+	if (!ASSERT_OK(err, "test_lsm_first_attach"))
+		goto close_prog;
+
+	err = test_lsm(skel);
+	ASSERT_OK(err, "test_lsm_second_attach");
+
+close_prog:
+	lsm__destroy(skel);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/test_overhead.c b/tools/testing/selftests/bpf/prog_tests/test_overhead.c
new file mode 100644
index 000000000..f27013e38
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/test_overhead.c
@@ -0,0 +1,148 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/* Copyright (c) 2019 Facebook */
+#define _GNU_SOURCE
+#include <sched.h>
+#include <sys/prctl.h>
+#include <test_progs.h>
+
+#define MAX_CNT 100000
+
+static __u64 time_get_ns(void)
+{
+	struct timespec ts;
+
+	clock_gettime(CLOCK_MONOTONIC, &ts);
+	return ts.tv_sec * 1000000000ull + ts.tv_nsec;
+}
+
+static int test_task_rename(const char *prog)
+{
+	int i, fd, duration = 0, err;
+	char buf[] = "test_overhead";
+	__u64 start_time;
+
+	fd = open("/proc/self/comm", O_WRONLY|O_TRUNC);
+	if (CHECK(fd < 0, "open /proc", "err %d", errno))
+		return -1;
+	start_time = time_get_ns();
+	for (i = 0; i < MAX_CNT; i++) {
+		err = write(fd, buf, sizeof(buf));
+		if (err < 0) {
+			CHECK(err < 0, "task rename", "err %d", errno);
+			close(fd);
+			return -1;
+		}
+	}
+	printf("task_rename %s\t%lluK events per sec\n", prog,
+	       MAX_CNT * 1000000ll / (time_get_ns() - start_time));
+	close(fd);
+	return 0;
+}
+
+static void test_run(const char *prog)
+{
+	test_task_rename(prog);
+}
+
+static void setaffinity(void)
+{
+	cpu_set_t cpuset;
+	int cpu = 0;
+
+	CPU_ZERO(&cpuset);
+	CPU_SET(cpu, &cpuset);
+	sched_setaffinity(0, sizeof(cpuset), &cpuset);
+}
+
+void test_test_overhead(void)
+{
+	const char *kprobe_name = "prog1";
+	const char *kretprobe_name = "prog2";
+	const char *raw_tp_name = "prog3";
+	const char *fentry_name = "prog4";
+	const char *fexit_name = "prog5";
+	const char *kprobe_func = "__set_task_comm";
+	struct bpf_program *kprobe_prog, *kretprobe_prog, *raw_tp_prog;
+	struct bpf_program *fentry_prog, *fexit_prog;
+	struct bpf_object *obj;
+	struct bpf_link *link;
+	int err, duration = 0;
+	char comm[16] = {};
+
+	if (CHECK_FAIL(prctl(PR_GET_NAME, comm, 0L, 0L, 0L)))
+		return;
+
+	obj = bpf_object__open_file("./test_overhead.bpf.o", NULL);
+	if (!ASSERT_OK_PTR(obj, "obj_open_file"))
+		return;
+
+	kprobe_prog = bpf_object__find_program_by_name(obj, kprobe_name);
+	if (CHECK(!kprobe_prog, "find_probe",
+		  "prog '%s' not found\n", kprobe_name))
+		goto cleanup;
+	kretprobe_prog = bpf_object__find_program_by_name(obj, kretprobe_name);
+	if (CHECK(!kretprobe_prog, "find_probe",
+		  "prog '%s' not found\n", kretprobe_name))
+		goto cleanup;
+	raw_tp_prog = bpf_object__find_program_by_name(obj, raw_tp_name);
+	if (CHECK(!raw_tp_prog, "find_probe",
+		  "prog '%s' not found\n", raw_tp_name))
+		goto cleanup;
+	fentry_prog = bpf_object__find_program_by_name(obj, fentry_name);
+	if (CHECK(!fentry_prog, "find_probe",
+		  "prog '%s' not found\n", fentry_name))
+		goto cleanup;
+	fexit_prog = bpf_object__find_program_by_name(obj, fexit_name);
+	if (CHECK(!fexit_prog, "find_probe",
+		  "prog '%s' not found\n", fexit_name))
+		goto cleanup;
+	err = bpf_object__load(obj);
+	if (CHECK(err, "obj_load", "err %d\n", err))
+		goto cleanup;
+
+	setaffinity();
+
+	/* base line run */
+	test_run("base");
+
+	/* attach kprobe */
+	link = bpf_program__attach_kprobe(kprobe_prog, false /* retprobe */,
+					  kprobe_func);
+	if (!ASSERT_OK_PTR(link, "attach_kprobe"))
+		goto cleanup;
+	test_run("kprobe");
+	bpf_link__destroy(link);
+
+	/* attach kretprobe */
+	link = bpf_program__attach_kprobe(kretprobe_prog, true /* retprobe */,
+					  kprobe_func);
+	if (!ASSERT_OK_PTR(link, "attach_kretprobe"))
+		goto cleanup;
+	test_run("kretprobe");
+	bpf_link__destroy(link);
+
+	/* attach raw_tp */
+	link = bpf_program__attach_raw_tracepoint(raw_tp_prog, "task_rename");
+	if (!ASSERT_OK_PTR(link, "attach_raw_tp"))
+		goto cleanup;
+	test_run("raw_tp");
+	bpf_link__destroy(link);
+
+	/* attach fentry */
+	link = bpf_program__attach_trace(fentry_prog);
+	if (!ASSERT_OK_PTR(link, "attach_fentry"))
+		goto cleanup;
+	test_run("fentry");
+	bpf_link__destroy(link);
+
+	/* attach fexit */
+	link = bpf_program__attach_trace(fexit_prog);
+	if (!ASSERT_OK_PTR(link, "attach_fexit"))
+		goto cleanup;
+	test_run("fexit");
+	bpf_link__destroy(link);
+
+cleanup:
+	prctl(PR_SET_NAME, comm, 0L, 0L, 0L);
+	bpf_object__close(obj);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/test_profiler.c b/tools/testing/selftests/bpf/prog_tests/test_profiler.c
new file mode 100644
index 000000000..de24e8f0e
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/test_profiler.c
@@ -0,0 +1,72 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2020 Facebook */
+#include <test_progs.h>
+#include "progs/profiler.h"
+#include "profiler1.skel.h"
+#include "profiler2.skel.h"
+#include "profiler3.skel.h"
+
+static int sanity_run(struct bpf_program *prog)
+{
+	LIBBPF_OPTS(bpf_test_run_opts, test_attr);
+	__u64 args[] = {1, 2, 3};
+	int err, prog_fd;
+
+	prog_fd = bpf_program__fd(prog);
+	test_attr.ctx_in = args;
+	test_attr.ctx_size_in = sizeof(args);
+	err = bpf_prog_test_run_opts(prog_fd, &test_attr);
+	if (!ASSERT_OK(err, "test_run"))
+		return -1;
+
+	if (!ASSERT_OK(test_attr.retval, "test_run retval"))
+		return -1;
+
+	return 0;
+}
+
+void test_test_profiler(void)
+{
+	struct profiler1 *profiler1_skel = NULL;
+	struct profiler2 *profiler2_skel = NULL;
+	struct profiler3 *profiler3_skel = NULL;
+	__u32 duration = 0;
+	int err;
+
+	profiler1_skel = profiler1__open_and_load();
+	if (CHECK(!profiler1_skel, "profiler1_skel_load", "profiler1 skeleton failed\n"))
+		goto cleanup;
+
+	err = profiler1__attach(profiler1_skel);
+	if (CHECK(err, "profiler1_attach", "profiler1 attach failed: %d\n", err))
+		goto cleanup;
+
+	if (sanity_run(profiler1_skel->progs.raw_tracepoint__sched_process_exec))
+		goto cleanup;
+
+	profiler2_skel = profiler2__open_and_load();
+	if (CHECK(!profiler2_skel, "profiler2_skel_load", "profiler2 skeleton failed\n"))
+		goto cleanup;
+
+	err = profiler2__attach(profiler2_skel);
+	if (CHECK(err, "profiler2_attach", "profiler2 attach failed: %d\n", err))
+		goto cleanup;
+
+	if (sanity_run(profiler2_skel->progs.raw_tracepoint__sched_process_exec))
+		goto cleanup;
+
+	profiler3_skel = profiler3__open_and_load();
+	if (CHECK(!profiler3_skel, "profiler3_skel_load", "profiler3 skeleton failed\n"))
+		goto cleanup;
+
+	err = profiler3__attach(profiler3_skel);
+	if (CHECK(err, "profiler3_attach", "profiler3 attach failed: %d\n", err))
+		goto cleanup;
+
+	if (sanity_run(profiler3_skel->progs.raw_tracepoint__sched_process_exec))
+		goto cleanup;
+cleanup:
+	profiler1__destroy(profiler1_skel);
+	profiler2__destroy(profiler2_skel);
+	profiler3__destroy(profiler3_skel);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/test_skb_pkt_end.c b/tools/testing/selftests/bpf/prog_tests/test_skb_pkt_end.c
new file mode 100644
index 000000000..ae93411fd
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/test_skb_pkt_end.c
@@ -0,0 +1,44 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2020 Facebook */
+#include <test_progs.h>
+#include <network_helpers.h>
+#include "skb_pkt_end.skel.h"
+
+static int sanity_run(struct bpf_program *prog)
+{
+	int err, prog_fd;
+	LIBBPF_OPTS(bpf_test_run_opts, topts,
+		.data_in = &pkt_v4,
+		.data_size_in = sizeof(pkt_v4),
+		.repeat = 1,
+	);
+
+	prog_fd = bpf_program__fd(prog);
+	err = bpf_prog_test_run_opts(prog_fd, &topts);
+	if (!ASSERT_OK(err, "test_run"))
+		return -1;
+	if (!ASSERT_EQ(topts.retval, 123, "test_run retval"))
+		return -1;
+	return 0;
+}
+
+void test_test_skb_pkt_end(void)
+{
+	struct skb_pkt_end *skb_pkt_end_skel = NULL;
+	__u32 duration = 0;
+	int err;
+
+	skb_pkt_end_skel = skb_pkt_end__open_and_load();
+	if (CHECK(!skb_pkt_end_skel, "skb_pkt_end_skel_load", "skb_pkt_end skeleton failed\n"))
+		goto cleanup;
+
+	err = skb_pkt_end__attach(skb_pkt_end_skel);
+	if (CHECK(err, "skb_pkt_end_attach", "skb_pkt_end attach failed: %d\n", err))
+		goto cleanup;
+
+	if (sanity_run(skb_pkt_end_skel->progs.main_prog))
+		goto cleanup;
+
+cleanup:
+	skb_pkt_end__destroy(skb_pkt_end_skel);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/test_strncmp.c b/tools/testing/selftests/bpf/prog_tests/test_strncmp.c
new file mode 100644
index 000000000..7ddd6615b
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/test_strncmp.c
@@ -0,0 +1,148 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (C) 2021. Huawei Technologies Co., Ltd */
+#include <test_progs.h>
+#include "strncmp_test.skel.h"
+
+static int trigger_strncmp(const struct strncmp_test *skel)
+{
+	int cmp;
+
+	usleep(1);
+
+	cmp = skel->bss->cmp_ret;
+	if (cmp > 0)
+		return 1;
+	if (cmp < 0)
+		return -1;
+	return 0;
+}
+
+/*
+ * Compare str and target after making str[i] != target[i].
+ * When exp is -1, make str[i] < target[i] and delta = -1.
+ */
+static void strncmp_full_str_cmp(struct strncmp_test *skel, const char *name,
+				 int exp)
+{
+	size_t nr = sizeof(skel->bss->str);
+	char *str = skel->bss->str;
+	int delta = exp;
+	int got;
+	size_t i;
+
+	memcpy(str, skel->rodata->target, nr);
+	for (i = 0; i < nr - 1; i++) {
+		str[i] += delta;
+
+		got = trigger_strncmp(skel);
+		ASSERT_EQ(got, exp, name);
+
+		str[i] -= delta;
+	}
+}
+
+static void test_strncmp_ret(void)
+{
+	struct strncmp_test *skel;
+	int err, got;
+
+	skel = strncmp_test__open();
+	if (!ASSERT_OK_PTR(skel, "strncmp_test open"))
+		return;
+
+	bpf_program__set_autoload(skel->progs.do_strncmp, true);
+
+	err = strncmp_test__load(skel);
+	if (!ASSERT_EQ(err, 0, "strncmp_test load"))
+		goto out;
+
+	err = strncmp_test__attach(skel);
+	if (!ASSERT_EQ(err, 0, "strncmp_test attach"))
+		goto out;
+
+	skel->bss->target_pid = getpid();
+
+	/* Empty str */
+	skel->bss->str[0] = '\0';
+	got = trigger_strncmp(skel);
+	ASSERT_EQ(got, -1, "strncmp: empty str");
+
+	/* Same string */
+	memcpy(skel->bss->str, skel->rodata->target, sizeof(skel->bss->str));
+	got = trigger_strncmp(skel);
+	ASSERT_EQ(got, 0, "strncmp: same str");
+
+	/* Not-null-termainted string  */
+	memcpy(skel->bss->str, skel->rodata->target, sizeof(skel->bss->str));
+	skel->bss->str[sizeof(skel->bss->str) - 1] = 'A';
+	got = trigger_strncmp(skel);
+	ASSERT_EQ(got, 1, "strncmp: not-null-term str");
+
+	strncmp_full_str_cmp(skel, "strncmp: less than", -1);
+	strncmp_full_str_cmp(skel, "strncmp: greater than", 1);
+out:
+	strncmp_test__destroy(skel);
+}
+
+static void test_strncmp_bad_not_const_str_size(void)
+{
+	struct strncmp_test *skel;
+	int err;
+
+	skel = strncmp_test__open();
+	if (!ASSERT_OK_PTR(skel, "strncmp_test open"))
+		return;
+
+	bpf_program__set_autoload(skel->progs.strncmp_bad_not_const_str_size, true);
+
+	err = strncmp_test__load(skel);
+	ASSERT_ERR(err, "strncmp_test load bad_not_const_str_size");
+
+	strncmp_test__destroy(skel);
+}
+
+static void test_strncmp_bad_writable_target(void)
+{
+	struct strncmp_test *skel;
+	int err;
+
+	skel = strncmp_test__open();
+	if (!ASSERT_OK_PTR(skel, "strncmp_test open"))
+		return;
+
+	bpf_program__set_autoload(skel->progs.strncmp_bad_writable_target, true);
+
+	err = strncmp_test__load(skel);
+	ASSERT_ERR(err, "strncmp_test load bad_writable_target");
+
+	strncmp_test__destroy(skel);
+}
+
+static void test_strncmp_bad_not_null_term_target(void)
+{
+	struct strncmp_test *skel;
+	int err;
+
+	skel = strncmp_test__open();
+	if (!ASSERT_OK_PTR(skel, "strncmp_test open"))
+		return;
+
+	bpf_program__set_autoload(skel->progs.strncmp_bad_not_null_term_target, true);
+
+	err = strncmp_test__load(skel);
+	ASSERT_ERR(err, "strncmp_test load bad_not_null_term_target");
+
+	strncmp_test__destroy(skel);
+}
+
+void test_test_strncmp(void)
+{
+	if (test__start_subtest("strncmp_ret"))
+		test_strncmp_ret();
+	if (test__start_subtest("strncmp_bad_not_const_str_size"))
+		test_strncmp_bad_not_const_str_size();
+	if (test__start_subtest("strncmp_bad_writable_target"))
+		test_strncmp_bad_writable_target();
+	if (test__start_subtest("strncmp_bad_not_null_term_target"))
+		test_strncmp_bad_not_null_term_target();
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/test_tunnel.c b/tools/testing/selftests/bpf/prog_tests/test_tunnel.c
new file mode 100644
index 000000000..eea274110
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/test_tunnel.c
@@ -0,0 +1,436 @@
+// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
+
+/*
+ * End-to-end eBPF tunnel test suite
+ *   The file tests BPF network tunnel implementation.
+ *
+ * Topology:
+ * ---------
+ *     root namespace   |     at_ns0 namespace
+ *                       |
+ *       -----------     |     -----------
+ *       | tnl dev |     |     | tnl dev |  (overlay network)
+ *       -----------     |     -----------
+ *       metadata-mode   |     metadata-mode
+ *        with bpf       |       with bpf
+ *                       |
+ *       ----------      |     ----------
+ *       |  veth1  | --------- |  veth0  |  (underlay network)
+ *       ----------    peer    ----------
+ *
+ *
+ *  Device Configuration
+ *  --------------------
+ *  root namespace with metadata-mode tunnel + BPF
+ *  Device names and addresses:
+ *	veth1 IP 1: 172.16.1.200, IPv6: 00::22 (underlay)
+ *		IP 2: 172.16.1.20, IPv6: 00::bb (underlay)
+ *	tunnel dev <type>11, ex: gre11, IPv4: 10.1.1.200, IPv6: 1::22 (overlay)
+ *
+ *  Namespace at_ns0 with native tunnel
+ *  Device names and addresses:
+ *	veth0 IPv4: 172.16.1.100, IPv6: 00::11 (underlay)
+ *	tunnel dev <type>00, ex: gre00, IPv4: 10.1.1.100, IPv6: 1::11 (overlay)
+ *
+ *
+ * End-to-end ping packet flow
+ *  ---------------------------
+ *  Most of the tests start by namespace creation, device configuration,
+ *  then ping the underlay and overlay network.  When doing 'ping 10.1.1.100'
+ *  from root namespace, the following operations happen:
+ *  1) Route lookup shows 10.1.1.100/24 belongs to tnl dev, fwd to tnl dev.
+ *  2) Tnl device's egress BPF program is triggered and set the tunnel metadata,
+ *     with local_ip=172.16.1.200, remote_ip=172.16.1.100. BPF program choose
+ *     the primary or secondary ip of veth1 as the local ip of tunnel. The
+ *     choice is made based on the value of bpf map local_ip_map.
+ *  3) Outer tunnel header is prepended and route the packet to veth1's egress.
+ *  4) veth0's ingress queue receive the tunneled packet at namespace at_ns0.
+ *  5) Tunnel protocol handler, ex: vxlan_rcv, decap the packet.
+ *  6) Forward the packet to the overlay tnl dev.
+ */
+
+#include <arpa/inet.h>
+#include <linux/if_tun.h>
+#include <linux/limits.h>
+#include <linux/sysctl.h>
+#include <linux/time_types.h>
+#include <linux/net_tstamp.h>
+#include <net/if.h>
+#include <stdbool.h>
+#include <stdio.h>
+#include <sys/stat.h>
+#include <unistd.h>
+
+#include "test_progs.h"
+#include "network_helpers.h"
+#include "test_tunnel_kern.skel.h"
+
+#define IP4_ADDR_VETH0 "172.16.1.100"
+#define IP4_ADDR1_VETH1 "172.16.1.200"
+#define IP4_ADDR2_VETH1 "172.16.1.20"
+#define IP4_ADDR_TUNL_DEV0 "10.1.1.100"
+#define IP4_ADDR_TUNL_DEV1 "10.1.1.200"
+
+#define IP6_ADDR_VETH0 "::11"
+#define IP6_ADDR1_VETH1 "::22"
+#define IP6_ADDR2_VETH1 "::bb"
+
+#define IP4_ADDR1_HEX_VETH1 0xac1001c8
+#define IP4_ADDR2_HEX_VETH1 0xac100114
+#define IP6_ADDR1_HEX_VETH1 0x22
+#define IP6_ADDR2_HEX_VETH1 0xbb
+
+#define MAC_TUNL_DEV0 "52:54:00:d9:01:00"
+#define MAC_TUNL_DEV1 "52:54:00:d9:02:00"
+#define MAC_VETH1 "52:54:00:d9:03:00"
+
+#define VXLAN_TUNL_DEV0 "vxlan00"
+#define VXLAN_TUNL_DEV1 "vxlan11"
+#define IP6VXLAN_TUNL_DEV0 "ip6vxlan00"
+#define IP6VXLAN_TUNL_DEV1 "ip6vxlan11"
+
+#define PING_ARGS "-i 0.01 -c 3 -w 10 -q"
+
+#define SYS(fmt, ...)						\
+	({							\
+		char cmd[1024];					\
+		snprintf(cmd, sizeof(cmd), fmt, ##__VA_ARGS__);	\
+		if (!ASSERT_OK(system(cmd), cmd))		\
+			goto fail;				\
+	})
+
+#define SYS_NOFAIL(fmt, ...)					\
+	({							\
+		char cmd[1024];					\
+		snprintf(cmd, sizeof(cmd), fmt, ##__VA_ARGS__);	\
+		system(cmd);					\
+	})
+
+static int config_device(void)
+{
+	SYS("ip netns add at_ns0");
+	SYS("ip link add veth0 address " MAC_VETH1 " type veth peer name veth1");
+	SYS("ip link set veth0 netns at_ns0");
+	SYS("ip addr add " IP4_ADDR1_VETH1 "/24 dev veth1");
+	SYS("ip link set dev veth1 up mtu 1500");
+	SYS("ip netns exec at_ns0 ip addr add " IP4_ADDR_VETH0 "/24 dev veth0");
+	SYS("ip netns exec at_ns0 ip link set dev veth0 up mtu 1500");
+
+	return 0;
+fail:
+	return -1;
+}
+
+static void cleanup(void)
+{
+	SYS_NOFAIL("test -f /var/run/netns/at_ns0 && ip netns delete at_ns0");
+	SYS_NOFAIL("ip link del veth1 2> /dev/null");
+	SYS_NOFAIL("ip link del %s 2> /dev/null", VXLAN_TUNL_DEV1);
+	SYS_NOFAIL("ip link del %s 2> /dev/null", IP6VXLAN_TUNL_DEV1);
+}
+
+static int add_vxlan_tunnel(void)
+{
+	/* at_ns0 namespace */
+	SYS("ip netns exec at_ns0 ip link add dev %s type vxlan external gbp dstport 4789",
+	    VXLAN_TUNL_DEV0);
+	SYS("ip netns exec at_ns0 ip link set dev %s address %s up",
+	    VXLAN_TUNL_DEV0, MAC_TUNL_DEV0);
+	SYS("ip netns exec at_ns0 ip addr add dev %s %s/24",
+	    VXLAN_TUNL_DEV0, IP4_ADDR_TUNL_DEV0);
+	SYS("ip netns exec at_ns0 ip neigh add %s lladdr %s dev %s",
+	    IP4_ADDR_TUNL_DEV1, MAC_TUNL_DEV1, VXLAN_TUNL_DEV0);
+	SYS("ip netns exec at_ns0 ip neigh add %s lladdr %s dev veth0",
+	    IP4_ADDR2_VETH1, MAC_VETH1);
+
+	/* root namespace */
+	SYS("ip link add dev %s type vxlan external gbp dstport 4789",
+	    VXLAN_TUNL_DEV1);
+	SYS("ip link set dev %s address %s up", VXLAN_TUNL_DEV1, MAC_TUNL_DEV1);
+	SYS("ip addr add dev %s %s/24", VXLAN_TUNL_DEV1, IP4_ADDR_TUNL_DEV1);
+	SYS("ip neigh add %s lladdr %s dev %s",
+	    IP4_ADDR_TUNL_DEV0, MAC_TUNL_DEV0, VXLAN_TUNL_DEV1);
+
+	return 0;
+fail:
+	return -1;
+}
+
+static void delete_vxlan_tunnel(void)
+{
+	SYS_NOFAIL("ip netns exec at_ns0 ip link delete dev %s",
+		   VXLAN_TUNL_DEV0);
+	SYS_NOFAIL("ip link delete dev %s", VXLAN_TUNL_DEV1);
+}
+
+static int add_ip6vxlan_tunnel(void)
+{
+	SYS("ip netns exec at_ns0 ip -6 addr add %s/96 dev veth0",
+	    IP6_ADDR_VETH0);
+	SYS("ip netns exec at_ns0 ip link set dev veth0 up");
+	SYS("ip -6 addr add %s/96 dev veth1", IP6_ADDR1_VETH1);
+	SYS("ip -6 addr add %s/96 dev veth1", IP6_ADDR2_VETH1);
+	SYS("ip link set dev veth1 up");
+
+	/* at_ns0 namespace */
+	SYS("ip netns exec at_ns0 ip link add dev %s type vxlan external dstport 4789",
+	    IP6VXLAN_TUNL_DEV0);
+	SYS("ip netns exec at_ns0 ip addr add dev %s %s/24",
+	    IP6VXLAN_TUNL_DEV0, IP4_ADDR_TUNL_DEV0);
+	SYS("ip netns exec at_ns0 ip link set dev %s address %s up",
+	    IP6VXLAN_TUNL_DEV0, MAC_TUNL_DEV0);
+
+	/* root namespace */
+	SYS("ip link add dev %s type vxlan external dstport 4789",
+	    IP6VXLAN_TUNL_DEV1);
+	SYS("ip addr add dev %s %s/24", IP6VXLAN_TUNL_DEV1, IP4_ADDR_TUNL_DEV1);
+	SYS("ip link set dev %s address %s up",
+	    IP6VXLAN_TUNL_DEV1, MAC_TUNL_DEV1);
+
+	return 0;
+fail:
+	return -1;
+}
+
+static void delete_ip6vxlan_tunnel(void)
+{
+	SYS_NOFAIL("ip netns exec at_ns0 ip -6 addr delete %s/96 dev veth0",
+		   IP6_ADDR_VETH0);
+	SYS_NOFAIL("ip -6 addr delete %s/96 dev veth1", IP6_ADDR1_VETH1);
+	SYS_NOFAIL("ip -6 addr delete %s/96 dev veth1", IP6_ADDR2_VETH1);
+	SYS_NOFAIL("ip netns exec at_ns0 ip link delete dev %s",
+		   IP6VXLAN_TUNL_DEV0);
+	SYS_NOFAIL("ip link delete dev %s", IP6VXLAN_TUNL_DEV1);
+}
+
+static int test_ping(int family, const char *addr)
+{
+	SYS("%s %s %s > /dev/null", ping_command(family), PING_ARGS, addr);
+	return 0;
+fail:
+	return -1;
+}
+
+static int attach_tc_prog(struct bpf_tc_hook *hook, int igr_fd, int egr_fd)
+{
+	DECLARE_LIBBPF_OPTS(bpf_tc_opts, opts1, .handle = 1,
+			    .priority = 1, .prog_fd = igr_fd);
+	DECLARE_LIBBPF_OPTS(bpf_tc_opts, opts2, .handle = 1,
+			    .priority = 1, .prog_fd = egr_fd);
+	int ret;
+
+	ret = bpf_tc_hook_create(hook);
+	if (!ASSERT_OK(ret, "create tc hook"))
+		return ret;
+
+	if (igr_fd >= 0) {
+		hook->attach_point = BPF_TC_INGRESS;
+		ret = bpf_tc_attach(hook, &opts1);
+		if (!ASSERT_OK(ret, "bpf_tc_attach")) {
+			bpf_tc_hook_destroy(hook);
+			return ret;
+		}
+	}
+
+	if (egr_fd >= 0) {
+		hook->attach_point = BPF_TC_EGRESS;
+		ret = bpf_tc_attach(hook, &opts2);
+		if (!ASSERT_OK(ret, "bpf_tc_attach")) {
+			bpf_tc_hook_destroy(hook);
+			return ret;
+		}
+	}
+
+	return 0;
+}
+
+static void test_vxlan_tunnel(void)
+{
+	struct test_tunnel_kern *skel = NULL;
+	struct nstoken *nstoken;
+	int local_ip_map_fd = -1;
+	int set_src_prog_fd, get_src_prog_fd;
+	int set_dst_prog_fd;
+	int key = 0, ifindex = -1;
+	uint local_ip;
+	int err;
+	DECLARE_LIBBPF_OPTS(bpf_tc_hook, tc_hook,
+			    .attach_point = BPF_TC_INGRESS);
+
+	/* add vxlan tunnel */
+	err = add_vxlan_tunnel();
+	if (!ASSERT_OK(err, "add vxlan tunnel"))
+		goto done;
+
+	/* load and attach bpf prog to tunnel dev tc hook point */
+	skel = test_tunnel_kern__open_and_load();
+	if (!ASSERT_OK_PTR(skel, "test_tunnel_kern__open_and_load"))
+		goto done;
+	ifindex = if_nametoindex(VXLAN_TUNL_DEV1);
+	if (!ASSERT_NEQ(ifindex, 0, "vxlan11 ifindex"))
+		goto done;
+	tc_hook.ifindex = ifindex;
+	get_src_prog_fd = bpf_program__fd(skel->progs.vxlan_get_tunnel_src);
+	set_src_prog_fd = bpf_program__fd(skel->progs.vxlan_set_tunnel_src);
+	if (!ASSERT_GE(get_src_prog_fd, 0, "bpf_program__fd"))
+		goto done;
+	if (!ASSERT_GE(set_src_prog_fd, 0, "bpf_program__fd"))
+		goto done;
+	if (attach_tc_prog(&tc_hook, get_src_prog_fd, set_src_prog_fd))
+		goto done;
+
+	/* load and attach bpf prog to veth dev tc hook point */
+	ifindex = if_nametoindex("veth1");
+	if (!ASSERT_NEQ(ifindex, 0, "veth1 ifindex"))
+		goto done;
+	tc_hook.ifindex = ifindex;
+	set_dst_prog_fd = bpf_program__fd(skel->progs.veth_set_outer_dst);
+	if (!ASSERT_GE(set_dst_prog_fd, 0, "bpf_program__fd"))
+		goto done;
+	if (attach_tc_prog(&tc_hook, set_dst_prog_fd, -1))
+		goto done;
+
+	/* load and attach prog set_md to tunnel dev tc hook point at_ns0 */
+	nstoken = open_netns("at_ns0");
+	if (!ASSERT_OK_PTR(nstoken, "setns src"))
+		goto done;
+	ifindex = if_nametoindex(VXLAN_TUNL_DEV0);
+	if (!ASSERT_NEQ(ifindex, 0, "vxlan00 ifindex"))
+		goto done;
+	tc_hook.ifindex = ifindex;
+	set_dst_prog_fd = bpf_program__fd(skel->progs.vxlan_set_tunnel_dst);
+	if (!ASSERT_GE(set_dst_prog_fd, 0, "bpf_program__fd"))
+		goto done;
+	if (attach_tc_prog(&tc_hook, -1, set_dst_prog_fd))
+		goto done;
+	close_netns(nstoken);
+
+	/* use veth1 ip 2 as tunnel source ip */
+	local_ip_map_fd = bpf_map__fd(skel->maps.local_ip_map);
+	if (!ASSERT_GE(local_ip_map_fd, 0, "bpf_map__fd"))
+		goto done;
+	local_ip = IP4_ADDR2_HEX_VETH1;
+	err = bpf_map_update_elem(local_ip_map_fd, &key, &local_ip, BPF_ANY);
+	if (!ASSERT_OK(err, "update bpf local_ip_map"))
+		goto done;
+
+	/* ping test */
+	err = test_ping(AF_INET, IP4_ADDR_TUNL_DEV0);
+	if (!ASSERT_OK(err, "test_ping"))
+		goto done;
+
+done:
+	/* delete vxlan tunnel */
+	delete_vxlan_tunnel();
+	if (local_ip_map_fd >= 0)
+		close(local_ip_map_fd);
+	if (skel)
+		test_tunnel_kern__destroy(skel);
+}
+
+static void test_ip6vxlan_tunnel(void)
+{
+	struct test_tunnel_kern *skel = NULL;
+	struct nstoken *nstoken;
+	int local_ip_map_fd = -1;
+	int set_src_prog_fd, get_src_prog_fd;
+	int set_dst_prog_fd;
+	int key = 0, ifindex = -1;
+	uint local_ip;
+	int err;
+	DECLARE_LIBBPF_OPTS(bpf_tc_hook, tc_hook,
+			    .attach_point = BPF_TC_INGRESS);
+
+	/* add vxlan tunnel */
+	err = add_ip6vxlan_tunnel();
+	if (!ASSERT_OK(err, "add_ip6vxlan_tunnel"))
+		goto done;
+
+	/* load and attach bpf prog to tunnel dev tc hook point */
+	skel = test_tunnel_kern__open_and_load();
+	if (!ASSERT_OK_PTR(skel, "test_tunnel_kern__open_and_load"))
+		goto done;
+	ifindex = if_nametoindex(IP6VXLAN_TUNL_DEV1);
+	if (!ASSERT_NEQ(ifindex, 0, "ip6vxlan11 ifindex"))
+		goto done;
+	tc_hook.ifindex = ifindex;
+	get_src_prog_fd = bpf_program__fd(skel->progs.ip6vxlan_get_tunnel_src);
+	set_src_prog_fd = bpf_program__fd(skel->progs.ip6vxlan_set_tunnel_src);
+	if (!ASSERT_GE(set_src_prog_fd, 0, "bpf_program__fd"))
+		goto done;
+	if (!ASSERT_GE(get_src_prog_fd, 0, "bpf_program__fd"))
+		goto done;
+	if (attach_tc_prog(&tc_hook, get_src_prog_fd, set_src_prog_fd))
+		goto done;
+
+	/* load and attach prog set_md to tunnel dev tc hook point at_ns0 */
+	nstoken = open_netns("at_ns0");
+	if (!ASSERT_OK_PTR(nstoken, "setns src"))
+		goto done;
+	ifindex = if_nametoindex(IP6VXLAN_TUNL_DEV0);
+	if (!ASSERT_NEQ(ifindex, 0, "ip6vxlan00 ifindex"))
+		goto done;
+	tc_hook.ifindex = ifindex;
+	set_dst_prog_fd = bpf_program__fd(skel->progs.ip6vxlan_set_tunnel_dst);
+	if (!ASSERT_GE(set_dst_prog_fd, 0, "bpf_program__fd"))
+		goto done;
+	if (attach_tc_prog(&tc_hook, -1, set_dst_prog_fd))
+		goto done;
+	close_netns(nstoken);
+
+	/* use veth1 ip 2 as tunnel source ip */
+	local_ip_map_fd = bpf_map__fd(skel->maps.local_ip_map);
+	if (!ASSERT_GE(local_ip_map_fd, 0, "get local_ip_map fd"))
+		goto done;
+	local_ip = IP6_ADDR2_HEX_VETH1;
+	err = bpf_map_update_elem(local_ip_map_fd, &key, &local_ip, BPF_ANY);
+	if (!ASSERT_OK(err, "update bpf local_ip_map"))
+		goto done;
+
+	/* ping test */
+	err = test_ping(AF_INET, IP4_ADDR_TUNL_DEV0);
+	if (!ASSERT_OK(err, "test_ping"))
+		goto done;
+
+done:
+	/* delete ipv6 vxlan tunnel */
+	delete_ip6vxlan_tunnel();
+	if (local_ip_map_fd >= 0)
+		close(local_ip_map_fd);
+	if (skel)
+		test_tunnel_kern__destroy(skel);
+}
+
+#define RUN_TEST(name)							\
+	({								\
+		if (test__start_subtest(#name)) {			\
+			test_ ## name();				\
+		}							\
+	})
+
+static void *test_tunnel_run_tests(void *arg)
+{
+	cleanup();
+	config_device();
+
+	RUN_TEST(vxlan_tunnel);
+	RUN_TEST(ip6vxlan_tunnel);
+
+	cleanup();
+
+	return NULL;
+}
+
+void serial_test_tunnel(void)
+{
+	pthread_t test_thread;
+	int err;
+
+	/* Run the tests in their own thread to isolate the namespace changes
+	 * so they do not affect the environment of other tests.
+	 * (specifically needed because of unshare(CLONE_NEWNS) in open_netns())
+	 */
+	err = pthread_create(&test_thread, NULL, &test_tunnel_run_tests, NULL);
+	if (ASSERT_OK(err, "pthread_create"))
+		ASSERT_OK(pthread_join(test_thread, NULL), "pthread_join");
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/time_tai.c b/tools/testing/selftests/bpf/prog_tests/time_tai.c
new file mode 100644
index 000000000..f45af1b0e
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/time_tai.c
@@ -0,0 +1,74 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (C) 2022 Linutronix GmbH */
+
+#include <test_progs.h>
+#include <network_helpers.h>
+
+#include "test_time_tai.skel.h"
+
+#include <time.h>
+#include <stdint.h>
+
+#define TAI_THRESHOLD	1000000000ULL /* 1s */
+#define NSEC_PER_SEC	1000000000ULL
+
+static __u64 ts_to_ns(const struct timespec *ts)
+{
+	return ts->tv_sec * NSEC_PER_SEC + ts->tv_nsec;
+}
+
+void test_time_tai(void)
+{
+	struct __sk_buff skb = {
+		.cb[0] = 0,
+		.cb[1] = 0,
+		.tstamp = 0,
+	};
+	LIBBPF_OPTS(bpf_test_run_opts, topts,
+		.data_in = &pkt_v4,
+		.data_size_in = sizeof(pkt_v4),
+		.ctx_in = &skb,
+		.ctx_size_in = sizeof(skb),
+		.ctx_out = &skb,
+		.ctx_size_out = sizeof(skb),
+	);
+	struct test_time_tai *skel;
+	struct timespec now_tai;
+	__u64 ts1, ts2, now;
+	int ret, prog_fd;
+
+	/* Open and load */
+	skel = test_time_tai__open_and_load();
+	if (!ASSERT_OK_PTR(skel, "tai_open"))
+		return;
+
+	/* Run test program */
+	prog_fd = bpf_program__fd(skel->progs.time_tai);
+	ret = bpf_prog_test_run_opts(prog_fd, &topts);
+	ASSERT_OK(ret, "test_run");
+
+	/* Retrieve generated TAI timestamps */
+	ts1 = skb.tstamp;
+	ts2 = skb.cb[0] | ((__u64)skb.cb[1] << 32);
+
+	/* TAI != 0 */
+	ASSERT_NEQ(ts1, 0, "tai_ts1");
+	ASSERT_NEQ(ts2, 0, "tai_ts2");
+
+	/* TAI is moving forward only */
+	ASSERT_GE(ts2, ts1, "tai_forward");
+
+	/* Check for future */
+	ret = clock_gettime(CLOCK_TAI, &now_tai);
+	ASSERT_EQ(ret, 0, "tai_gettime");
+	now = ts_to_ns(&now_tai);
+
+	ASSERT_TRUE(now > ts1, "tai_future_ts1");
+	ASSERT_TRUE(now > ts2, "tai_future_ts2");
+
+	/* Check for reasonable range */
+	ASSERT_TRUE(now - ts1 < TAI_THRESHOLD, "tai_range_ts1");
+	ASSERT_TRUE(now - ts2 < TAI_THRESHOLD, "tai_range_ts2");
+
+	test_time_tai__destroy(skel);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/timer.c b/tools/testing/selftests/bpf/prog_tests/timer.c
new file mode 100644
index 000000000..7eb049214
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/timer.c
@@ -0,0 +1,55 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2021 Facebook */
+#include <test_progs.h>
+#include "timer.skel.h"
+
+static int timer(struct timer *timer_skel)
+{
+	int err, prog_fd;
+	LIBBPF_OPTS(bpf_test_run_opts, topts);
+
+	err = timer__attach(timer_skel);
+	if (!ASSERT_OK(err, "timer_attach"))
+		return err;
+
+	ASSERT_EQ(timer_skel->data->callback_check, 52, "callback_check1");
+	ASSERT_EQ(timer_skel->data->callback2_check, 52, "callback2_check1");
+
+	prog_fd = bpf_program__fd(timer_skel->progs.test1);
+	err = bpf_prog_test_run_opts(prog_fd, &topts);
+	ASSERT_OK(err, "test_run");
+	ASSERT_EQ(topts.retval, 0, "test_run");
+	timer__detach(timer_skel);
+
+	usleep(50); /* 10 usecs should be enough, but give it extra */
+	/* check that timer_cb1() was executed 10+10 times */
+	ASSERT_EQ(timer_skel->data->callback_check, 42, "callback_check2");
+	ASSERT_EQ(timer_skel->data->callback2_check, 42, "callback2_check2");
+
+	/* check that timer_cb2() was executed twice */
+	ASSERT_EQ(timer_skel->bss->bss_data, 10, "bss_data");
+
+	/* check that there were no errors in timer execution */
+	ASSERT_EQ(timer_skel->bss->err, 0, "err");
+
+	/* check that code paths completed */
+	ASSERT_EQ(timer_skel->bss->ok, 1 | 2 | 4, "ok");
+
+	return 0;
+}
+
+/* TODO: use pid filtering */
+void serial_test_timer(void)
+{
+	struct timer *timer_skel = NULL;
+	int err;
+
+	timer_skel = timer__open_and_load();
+	if (!ASSERT_OK_PTR(timer_skel, "timer_skel_load"))
+		goto cleanup;
+
+	err = timer(timer_skel);
+	ASSERT_OK(err, "timer");
+cleanup:
+	timer__destroy(timer_skel);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/timer_crash.c b/tools/testing/selftests/bpf/prog_tests/timer_crash.c
new file mode 100644
index 000000000..f74b82305
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/timer_crash.c
@@ -0,0 +1,32 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <test_progs.h>
+#include "timer_crash.skel.h"
+
+enum {
+	MODE_ARRAY,
+	MODE_HASH,
+};
+
+static void test_timer_crash_mode(int mode)
+{
+	struct timer_crash *skel;
+
+	skel = timer_crash__open_and_load();
+	if (!ASSERT_OK_PTR(skel, "timer_crash__open_and_load"))
+		return;
+	skel->bss->pid = getpid();
+	skel->bss->crash_map = mode;
+	if (!ASSERT_OK(timer_crash__attach(skel), "timer_crash__attach"))
+		goto end;
+	usleep(1);
+end:
+	timer_crash__destroy(skel);
+}
+
+void test_timer_crash(void)
+{
+	if (test__start_subtest("array"))
+		test_timer_crash_mode(MODE_ARRAY);
+	if (test__start_subtest("hash"))
+		test_timer_crash_mode(MODE_HASH);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/timer_mim.c b/tools/testing/selftests/bpf/prog_tests/timer_mim.c
new file mode 100644
index 000000000..9ff784390
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/timer_mim.c
@@ -0,0 +1,76 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2021 Facebook */
+#include <test_progs.h>
+#include "timer_mim.skel.h"
+#include "timer_mim_reject.skel.h"
+
+static int timer_mim(struct timer_mim *timer_skel)
+{
+	__u64 cnt1, cnt2;
+	int err, prog_fd, key1 = 1;
+	LIBBPF_OPTS(bpf_test_run_opts, topts);
+
+	err = timer_mim__attach(timer_skel);
+	if (!ASSERT_OK(err, "timer_attach"))
+		return err;
+
+	prog_fd = bpf_program__fd(timer_skel->progs.test1);
+	err = bpf_prog_test_run_opts(prog_fd, &topts);
+	ASSERT_OK(err, "test_run");
+	ASSERT_EQ(topts.retval, 0, "test_run");
+	timer_mim__detach(timer_skel);
+
+	/* check that timer_cb[12] are incrementing 'cnt' */
+	cnt1 = READ_ONCE(timer_skel->bss->cnt);
+	for (int i = 0; i < 100; i++) {
+		cnt2 = READ_ONCE(timer_skel->bss->cnt);
+		if (cnt2 != cnt1)
+			break;
+		usleep(200); /* 100 times more than interval */
+	}
+	ASSERT_GT(cnt2, cnt1, "cnt");
+
+	ASSERT_EQ(timer_skel->bss->err, 0, "err");
+	/* check that code paths completed */
+	ASSERT_EQ(timer_skel->bss->ok, 1 | 2, "ok");
+
+	close(bpf_map__fd(timer_skel->maps.inner_htab));
+	err = bpf_map__delete_elem(timer_skel->maps.outer_arr, &key1, sizeof(key1), 0);
+	ASSERT_EQ(err, 0, "delete inner map");
+
+	/* check that timer_cb[12] are no longer running */
+	cnt1 = READ_ONCE(timer_skel->bss->cnt);
+	for (int i = 0; i < 100; i++) {
+		usleep(200); /* 100 times more than interval */
+		cnt2 = READ_ONCE(timer_skel->bss->cnt);
+		if (cnt2 == cnt1)
+			break;
+	}
+	ASSERT_EQ(cnt2, cnt1, "cnt");
+
+	return 0;
+}
+
+void serial_test_timer_mim(void)
+{
+	struct timer_mim_reject *timer_reject_skel = NULL;
+	libbpf_print_fn_t old_print_fn = NULL;
+	struct timer_mim *timer_skel = NULL;
+	int err;
+
+	old_print_fn = libbpf_set_print(NULL);
+	timer_reject_skel = timer_mim_reject__open_and_load();
+	libbpf_set_print(old_print_fn);
+	if (!ASSERT_ERR_PTR(timer_reject_skel, "timer_reject_skel_load"))
+		goto cleanup;
+
+	timer_skel = timer_mim__open_and_load();
+	if (!ASSERT_OK_PTR(timer_skel, "timer_skel_load"))
+		goto cleanup;
+
+	err = timer_mim(timer_skel);
+	ASSERT_OK(err, "timer_mim");
+cleanup:
+	timer_mim__destroy(timer_skel);
+	timer_mim_reject__destroy(timer_reject_skel);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/tp_attach_query.c b/tools/testing/selftests/bpf/prog_tests/tp_attach_query.c
new file mode 100644
index 000000000..a47908053
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/tp_attach_query.c
@@ -0,0 +1,135 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <test_progs.h>
+
+void serial_test_tp_attach_query(void)
+{
+	const int num_progs = 3;
+	int i, j, bytes, efd, err, prog_fd[num_progs], pmu_fd[num_progs];
+	__u32 duration = 0, info_len, saved_prog_ids[num_progs];
+	const char *file = "./test_tracepoint.bpf.o";
+	struct perf_event_query_bpf *query;
+	struct perf_event_attr attr = {};
+	struct bpf_object *obj[num_progs];
+	struct bpf_prog_info prog_info;
+	char buf[256];
+
+	for (i = 0; i < num_progs; i++)
+		obj[i] = NULL;
+
+	snprintf(buf, sizeof(buf),
+		 "/sys/kernel/debug/tracing/events/sched/sched_switch/id");
+	efd = open(buf, O_RDONLY, 0);
+	if (CHECK(efd < 0, "open", "err %d errno %d\n", efd, errno))
+		return;
+	bytes = read(efd, buf, sizeof(buf));
+	close(efd);
+	if (CHECK(bytes <= 0 || bytes >= sizeof(buf),
+		  "read", "bytes %d errno %d\n", bytes, errno))
+		return;
+
+	attr.config = strtol(buf, NULL, 0);
+	attr.type = PERF_TYPE_TRACEPOINT;
+	attr.sample_type = PERF_SAMPLE_RAW | PERF_SAMPLE_CALLCHAIN;
+	attr.sample_period = 1;
+	attr.wakeup_events = 1;
+
+	query = malloc(sizeof(*query) + sizeof(__u32) * num_progs);
+	for (i = 0; i < num_progs; i++) {
+		err = bpf_prog_test_load(file, BPF_PROG_TYPE_TRACEPOINT, &obj[i],
+				    &prog_fd[i]);
+		if (CHECK(err, "prog_load", "err %d errno %d\n", err, errno))
+			goto cleanup1;
+
+		bzero(&prog_info, sizeof(prog_info));
+		prog_info.jited_prog_len = 0;
+		prog_info.xlated_prog_len = 0;
+		prog_info.nr_map_ids = 0;
+		info_len = sizeof(prog_info);
+		err = bpf_obj_get_info_by_fd(prog_fd[i], &prog_info, &info_len);
+		if (CHECK(err, "bpf_obj_get_info_by_fd", "err %d errno %d\n",
+			  err, errno))
+			goto cleanup1;
+		saved_prog_ids[i] = prog_info.id;
+
+		pmu_fd[i] = syscall(__NR_perf_event_open, &attr, -1 /* pid */,
+				    0 /* cpu 0 */, -1 /* group id */,
+				    0 /* flags */);
+		if (CHECK(pmu_fd[i] < 0, "perf_event_open", "err %d errno %d\n",
+			  pmu_fd[i], errno))
+			goto cleanup2;
+		err = ioctl(pmu_fd[i], PERF_EVENT_IOC_ENABLE, 0);
+		if (CHECK(err, "perf_event_ioc_enable", "err %d errno %d\n",
+			  err, errno))
+			goto cleanup3;
+
+		if (i == 0) {
+			/* check NULL prog array query */
+			query->ids_len = num_progs;
+			err = ioctl(pmu_fd[i], PERF_EVENT_IOC_QUERY_BPF, query);
+			if (CHECK(err || query->prog_cnt != 0,
+				  "perf_event_ioc_query_bpf",
+				  "err %d errno %d query->prog_cnt %u\n",
+				  err, errno, query->prog_cnt))
+				goto cleanup3;
+		}
+
+		err = ioctl(pmu_fd[i], PERF_EVENT_IOC_SET_BPF, prog_fd[i]);
+		if (CHECK(err, "perf_event_ioc_set_bpf", "err %d errno %d\n",
+			  err, errno))
+			goto cleanup3;
+
+		if (i == 1) {
+			/* try to get # of programs only */
+			query->ids_len = 0;
+			err = ioctl(pmu_fd[i], PERF_EVENT_IOC_QUERY_BPF, query);
+			if (CHECK(err || query->prog_cnt != 2,
+				  "perf_event_ioc_query_bpf",
+				  "err %d errno %d query->prog_cnt %u\n",
+				  err, errno, query->prog_cnt))
+				goto cleanup3;
+
+			/* try a few negative tests */
+			/* invalid query pointer */
+			err = ioctl(pmu_fd[i], PERF_EVENT_IOC_QUERY_BPF,
+				    (struct perf_event_query_bpf *)0x1);
+			if (CHECK(!err || errno != EFAULT,
+				  "perf_event_ioc_query_bpf",
+				  "err %d errno %d\n", err, errno))
+				goto cleanup3;
+
+			/* no enough space */
+			query->ids_len = 1;
+			err = ioctl(pmu_fd[i], PERF_EVENT_IOC_QUERY_BPF, query);
+			if (CHECK(!err || errno != ENOSPC || query->prog_cnt != 2,
+				  "perf_event_ioc_query_bpf",
+				  "err %d errno %d query->prog_cnt %u\n",
+				  err, errno, query->prog_cnt))
+				goto cleanup3;
+		}
+
+		query->ids_len = num_progs;
+		err = ioctl(pmu_fd[i], PERF_EVENT_IOC_QUERY_BPF, query);
+		if (CHECK(err || query->prog_cnt != (i + 1),
+			  "perf_event_ioc_query_bpf",
+			  "err %d errno %d query->prog_cnt %u\n",
+			  err, errno, query->prog_cnt))
+			goto cleanup3;
+		for (j = 0; j < i + 1; j++)
+			if (CHECK(saved_prog_ids[j] != query->ids[j],
+				  "perf_event_ioc_query_bpf",
+				  "#%d saved_prog_id %x query prog_id %x\n",
+				  j, saved_prog_ids[j], query->ids[j]))
+				goto cleanup3;
+	}
+
+	i = num_progs - 1;
+	for (; i >= 0; i--) {
+ cleanup3:
+		ioctl(pmu_fd[i], PERF_EVENT_IOC_DISABLE);
+ cleanup2:
+		close(pmu_fd[i]);
+ cleanup1:
+		bpf_object__close(obj[i]);
+	}
+	free(query);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/trace_ext.c b/tools/testing/selftests/bpf/prog_tests/trace_ext.c
new file mode 100644
index 000000000..aabdff7be
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/trace_ext.c
@@ -0,0 +1,115 @@
+// SPDX-License-Identifier: GPL-2.0
+
+#define _GNU_SOURCE
+#include <test_progs.h>
+#include <network_helpers.h>
+#include <sys/stat.h>
+#include <linux/sched.h>
+#include <sys/syscall.h>
+
+#include "test_pkt_md_access.skel.h"
+#include "test_trace_ext.skel.h"
+#include "test_trace_ext_tracing.skel.h"
+
+static __u32 duration;
+
+void test_trace_ext(void)
+{
+	struct test_pkt_md_access *skel_pkt = NULL;
+	struct test_trace_ext_tracing *skel_trace = NULL;
+	struct test_trace_ext_tracing__bss *bss_trace;
+	struct test_trace_ext *skel_ext = NULL;
+	struct test_trace_ext__bss *bss_ext;
+	int err, pkt_fd, ext_fd;
+	struct bpf_program *prog;
+	char buf[100];
+	__u64 len;
+	LIBBPF_OPTS(bpf_test_run_opts, topts,
+		.data_in = &pkt_v4,
+		.data_size_in = sizeof(pkt_v4),
+		.repeat = 1,
+	);
+
+	/* open/load/attach test_pkt_md_access */
+	skel_pkt = test_pkt_md_access__open_and_load();
+	if (CHECK(!skel_pkt, "setup", "classifier/test_pkt_md_access open failed\n"))
+		goto cleanup;
+
+	err = test_pkt_md_access__attach(skel_pkt);
+	if (CHECK(err, "setup", "classifier/test_pkt_md_access attach failed: %d\n", err))
+		goto cleanup;
+
+	prog = skel_pkt->progs.test_pkt_md_access;
+	pkt_fd = bpf_program__fd(prog);
+
+	/* open extension */
+	skel_ext = test_trace_ext__open();
+	if (CHECK(!skel_ext, "setup", "freplace/test_pkt_md_access open failed\n"))
+		goto cleanup;
+
+	/* set extension's attach target - test_pkt_md_access  */
+	prog = skel_ext->progs.test_pkt_md_access_new;
+	bpf_program__set_attach_target(prog, pkt_fd, "test_pkt_md_access");
+
+	/* load/attach extension */
+	err = test_trace_ext__load(skel_ext);
+	if (CHECK(err, "setup", "freplace/test_pkt_md_access load failed\n")) {
+		libbpf_strerror(err, buf, sizeof(buf));
+		fprintf(stderr, "%s\n", buf);
+		goto cleanup;
+	}
+
+	err = test_trace_ext__attach(skel_ext);
+	if (CHECK(err, "setup", "freplace/test_pkt_md_access attach failed: %d\n", err))
+		goto cleanup;
+
+	prog = skel_ext->progs.test_pkt_md_access_new;
+	ext_fd = bpf_program__fd(prog);
+
+	/* open tracing  */
+	skel_trace = test_trace_ext_tracing__open();
+	if (CHECK(!skel_trace, "setup", "tracing/test_pkt_md_access_new open failed\n"))
+		goto cleanup;
+
+	/* set tracing's attach target - fentry */
+	prog = skel_trace->progs.fentry;
+	bpf_program__set_attach_target(prog, ext_fd, "test_pkt_md_access_new");
+
+	/* set tracing's attach target - fexit */
+	prog = skel_trace->progs.fexit;
+	bpf_program__set_attach_target(prog, ext_fd, "test_pkt_md_access_new");
+
+	/* load/attach tracing */
+	err = test_trace_ext_tracing__load(skel_trace);
+	if (!ASSERT_OK(err, "tracing/test_pkt_md_access_new load")) {
+		libbpf_strerror(err, buf, sizeof(buf));
+		fprintf(stderr, "%s\n", buf);
+		goto cleanup;
+	}
+
+	err = test_trace_ext_tracing__attach(skel_trace);
+	if (!ASSERT_OK(err, "tracing/test_pkt_md_access_new attach"))
+		goto cleanup;
+
+	/* trigger the test */
+	err = bpf_prog_test_run_opts(pkt_fd, &topts);
+	ASSERT_OK(err, "test_run_opts err");
+	ASSERT_OK(topts.retval, "test_run_opts retval");
+
+	bss_ext = skel_ext->bss;
+	bss_trace = skel_trace->bss;
+
+	len = bss_ext->ext_called;
+
+	ASSERT_NEQ(bss_ext->ext_called, 0,
+		  "failed to trigger freplace/test_pkt_md_access");
+	ASSERT_EQ(bss_trace->fentry_called, len,
+		  "failed to trigger fentry/test_pkt_md_access_new");
+	ASSERT_EQ(bss_trace->fexit_called, len,
+		   "failed to trigger fexit/test_pkt_md_access_new");
+
+cleanup:
+	test_trace_ext_tracing__destroy(skel_trace);
+	test_trace_ext__destroy(skel_ext);
+	test_pkt_md_access__destroy(skel_pkt);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/trace_printk.c b/tools/testing/selftests/bpf/prog_tests/trace_printk.c
new file mode 100644
index 000000000..cade7f123
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/trace_printk.c
@@ -0,0 +1,72 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2020, Oracle and/or its affiliates. */
+
+#include <test_progs.h>
+
+#include "trace_printk.lskel.h"
+
+#define TRACEBUF	"/sys/kernel/debug/tracing/trace_pipe"
+#define SEARCHMSG	"testing,testing"
+
+void serial_test_trace_printk(void)
+{
+	struct trace_printk_lskel__bss *bss;
+	int err = 0, iter = 0, found = 0;
+	struct trace_printk_lskel *skel;
+	char *buf = NULL;
+	FILE *fp = NULL;
+	size_t buflen;
+
+	skel = trace_printk_lskel__open();
+	if (!ASSERT_OK_PTR(skel, "trace_printk__open"))
+		return;
+
+	ASSERT_EQ(skel->rodata->fmt[0], 'T', "skel->rodata->fmt[0]");
+	skel->rodata->fmt[0] = 't';
+
+	err = trace_printk_lskel__load(skel);
+	if (!ASSERT_OK(err, "trace_printk__load"))
+		goto cleanup;
+
+	bss = skel->bss;
+
+	err = trace_printk_lskel__attach(skel);
+	if (!ASSERT_OK(err, "trace_printk__attach"))
+		goto cleanup;
+
+	fp = fopen(TRACEBUF, "r");
+	if (!ASSERT_OK_PTR(fp, "fopen(TRACEBUF)"))
+		goto cleanup;
+
+	/* We do not want to wait forever if this test fails... */
+	fcntl(fileno(fp), F_SETFL, O_NONBLOCK);
+
+	/* wait for tracepoint to trigger */
+	usleep(1);
+	trace_printk_lskel__detach(skel);
+
+	if (!ASSERT_GT(bss->trace_printk_ran, 0, "bss->trace_printk_ran"))
+		goto cleanup;
+
+	if (!ASSERT_GT(bss->trace_printk_ret, 0, "bss->trace_printk_ret"))
+		goto cleanup;
+
+	/* verify our search string is in the trace buffer */
+	while (getline(&buf, &buflen, fp) >= 0 || errno == EAGAIN) {
+		if (strstr(buf, SEARCHMSG) != NULL)
+			found++;
+		if (found == bss->trace_printk_ran)
+			break;
+		if (++iter > 1000)
+			break;
+	}
+
+	if (!ASSERT_EQ(found, bss->trace_printk_ran, "found"))
+		goto cleanup;
+
+cleanup:
+	trace_printk_lskel__destroy(skel);
+	free(buf);
+	if (fp)
+		fclose(fp);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/trace_vprintk.c b/tools/testing/selftests/bpf/prog_tests/trace_vprintk.c
new file mode 100644
index 000000000..7a4e313e8
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/trace_vprintk.c
@@ -0,0 +1,68 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2021 Facebook */
+
+#include <test_progs.h>
+
+#include "trace_vprintk.lskel.h"
+
+#define TRACEBUF	"/sys/kernel/debug/tracing/trace_pipe"
+#define SEARCHMSG	"1,2,3,4,5,6,7,8,9,10"
+
+void serial_test_trace_vprintk(void)
+{
+	struct trace_vprintk_lskel__bss *bss;
+	int err = 0, iter = 0, found = 0;
+	struct trace_vprintk_lskel *skel;
+	char *buf = NULL;
+	FILE *fp = NULL;
+	size_t buflen;
+
+	skel = trace_vprintk_lskel__open_and_load();
+	if (!ASSERT_OK_PTR(skel, "trace_vprintk__open_and_load"))
+		goto cleanup;
+
+	bss = skel->bss;
+
+	err = trace_vprintk_lskel__attach(skel);
+	if (!ASSERT_OK(err, "trace_vprintk__attach"))
+		goto cleanup;
+
+	fp = fopen(TRACEBUF, "r");
+	if (!ASSERT_OK_PTR(fp, "fopen(TRACEBUF)"))
+		goto cleanup;
+
+	/* We do not want to wait forever if this test fails... */
+	fcntl(fileno(fp), F_SETFL, O_NONBLOCK);
+
+	/* wait for tracepoint to trigger */
+	usleep(1);
+	trace_vprintk_lskel__detach(skel);
+
+	if (!ASSERT_GT(bss->trace_vprintk_ran, 0, "bss->trace_vprintk_ran"))
+		goto cleanup;
+
+	if (!ASSERT_GT(bss->trace_vprintk_ret, 0, "bss->trace_vprintk_ret"))
+		goto cleanup;
+
+	/* verify our search string is in the trace buffer */
+	while (getline(&buf, &buflen, fp) >= 0 || errno == EAGAIN) {
+		if (strstr(buf, SEARCHMSG) != NULL)
+			found++;
+		if (found == bss->trace_vprintk_ran)
+			break;
+		if (++iter > 1000)
+			break;
+	}
+
+	if (!ASSERT_EQ(found, bss->trace_vprintk_ran, "found"))
+		goto cleanup;
+
+	if (!ASSERT_LT(bss->null_data_vprintk_ret, 0, "bss->null_data_vprintk_ret"))
+		goto cleanup;
+
+cleanup:
+	trace_vprintk_lskel__destroy(skel);
+	free(buf);
+	if (fp)
+		fclose(fp);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/tracing_struct.c b/tools/testing/selftests/bpf/prog_tests/tracing_struct.c
new file mode 100644
index 000000000..48dc9472e
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/tracing_struct.c
@@ -0,0 +1,64 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2022 Meta Platforms, Inc. and affiliates. */
+
+#include <test_progs.h>
+#include "tracing_struct.skel.h"
+
+static void test_fentry(void)
+{
+	struct tracing_struct *skel;
+	int err;
+
+	skel = tracing_struct__open_and_load();
+	if (!ASSERT_OK_PTR(skel, "tracing_struct__open_and_load"))
+		return;
+
+	err = tracing_struct__attach(skel);
+	if (!ASSERT_OK(err, "tracing_struct__attach"))
+		goto destroy_skel;
+
+	ASSERT_OK(trigger_module_test_read(256), "trigger_read");
+
+	ASSERT_EQ(skel->bss->t1_a_a, 2, "t1:a.a");
+	ASSERT_EQ(skel->bss->t1_a_b, 3, "t1:a.b");
+	ASSERT_EQ(skel->bss->t1_b, 1, "t1:b");
+	ASSERT_EQ(skel->bss->t1_c, 4, "t1:c");
+
+	ASSERT_EQ(skel->bss->t1_nregs, 4, "t1 nregs");
+	ASSERT_EQ(skel->bss->t1_reg0, 2, "t1 reg0");
+	ASSERT_EQ(skel->bss->t1_reg1, 3, "t1 reg1");
+	ASSERT_EQ(skel->bss->t1_reg2, 1, "t1 reg2");
+	ASSERT_EQ(skel->bss->t1_reg3, 4, "t1 reg3");
+	ASSERT_EQ(skel->bss->t1_ret, 10, "t1 ret");
+
+	ASSERT_EQ(skel->bss->t2_a, 1, "t2:a");
+	ASSERT_EQ(skel->bss->t2_b_a, 2, "t2:b.a");
+	ASSERT_EQ(skel->bss->t2_b_b, 3, "t2:b.b");
+	ASSERT_EQ(skel->bss->t2_c, 4, "t2:c");
+	ASSERT_EQ(skel->bss->t2_ret, 10, "t2 ret");
+
+	ASSERT_EQ(skel->bss->t3_a, 1, "t3:a");
+	ASSERT_EQ(skel->bss->t3_b, 4, "t3:b");
+	ASSERT_EQ(skel->bss->t3_c_a, 2, "t3:c.a");
+	ASSERT_EQ(skel->bss->t3_c_b, 3, "t3:c.b");
+	ASSERT_EQ(skel->bss->t3_ret, 10, "t3 ret");
+
+	ASSERT_EQ(skel->bss->t4_a_a, 10, "t4:a.a");
+	ASSERT_EQ(skel->bss->t4_b, 1, "t4:b");
+	ASSERT_EQ(skel->bss->t4_c, 2, "t4:c");
+	ASSERT_EQ(skel->bss->t4_d, 3, "t4:d");
+	ASSERT_EQ(skel->bss->t4_e_a, 2, "t4:e.a");
+	ASSERT_EQ(skel->bss->t4_e_b, 3, "t4:e.b");
+	ASSERT_EQ(skel->bss->t4_ret, 21, "t4 ret");
+
+	ASSERT_EQ(skel->bss->t5_ret, 1, "t5 ret");
+
+	tracing_struct__detach(skel);
+destroy_skel:
+	tracing_struct__destroy(skel);
+}
+
+void test_tracing_struct(void)
+{
+	test_fentry();
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/trampoline_count.c b/tools/testing/selftests/bpf/prog_tests/trampoline_count.c
new file mode 100644
index 000000000..564b75bc0
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/trampoline_count.c
@@ -0,0 +1,94 @@
+// SPDX-License-Identifier: GPL-2.0-only
+#define _GNU_SOURCE
+#include <test_progs.h>
+
+#define MAX_TRAMP_PROGS 38
+
+struct inst {
+	struct bpf_object *obj;
+	struct bpf_link   *link;
+};
+
+static struct bpf_program *load_prog(char *file, char *name, struct inst *inst)
+{
+	struct bpf_object *obj;
+	struct bpf_program *prog;
+	int err;
+
+	obj = bpf_object__open_file(file, NULL);
+	if (!ASSERT_OK_PTR(obj, "obj_open_file"))
+		return NULL;
+
+	inst->obj = obj;
+
+	err = bpf_object__load(obj);
+	if (!ASSERT_OK(err, "obj_load"))
+		return NULL;
+
+	prog = bpf_object__find_program_by_name(obj, name);
+	if (!ASSERT_OK_PTR(prog, "obj_find_prog"))
+		return NULL;
+
+	return prog;
+}
+
+/* TODO: use different target function to run in concurrent mode */
+void serial_test_trampoline_count(void)
+{
+	char *file = "test_trampoline_count.bpf.o";
+	char *const progs[] = { "fentry_test", "fmod_ret_test", "fexit_test" };
+	struct inst inst[MAX_TRAMP_PROGS + 1] = {};
+	struct bpf_program *prog;
+	struct bpf_link *link;
+	int prog_fd, err, i;
+	LIBBPF_OPTS(bpf_test_run_opts, opts);
+
+	/* attach 'allowed' trampoline programs */
+	for (i = 0; i < MAX_TRAMP_PROGS; i++) {
+		prog = load_prog(file, progs[i % ARRAY_SIZE(progs)], &inst[i]);
+		if (!prog)
+			goto cleanup;
+
+		link = bpf_program__attach(prog);
+		if (!ASSERT_OK_PTR(link, "attach_prog"))
+			goto cleanup;
+
+		inst[i].link = link;
+	}
+
+	/* and try 1 extra.. */
+	prog = load_prog(file, "fmod_ret_test", &inst[i]);
+	if (!prog)
+		goto cleanup;
+
+	/* ..that needs to fail */
+	link = bpf_program__attach(prog);
+	if (!ASSERT_ERR_PTR(link, "attach_prog")) {
+		inst[i].link = link;
+		goto cleanup;
+	}
+
+	/* with E2BIG error */
+	if (!ASSERT_EQ(libbpf_get_error(link), -E2BIG, "E2BIG"))
+		goto cleanup;
+	if (!ASSERT_EQ(link, NULL, "ptr_is_null"))
+		goto cleanup;
+
+	/* and finaly execute the probe */
+	prog_fd = bpf_program__fd(prog);
+	if (!ASSERT_GE(prog_fd, 0, "bpf_program__fd"))
+		goto cleanup;
+
+	err = bpf_prog_test_run_opts(prog_fd, &opts);
+	if (!ASSERT_OK(err, "bpf_prog_test_run_opts"))
+		goto cleanup;
+
+	ASSERT_EQ(opts.retval & 0xffff, 4, "bpf_modify_return_test.result");
+	ASSERT_EQ(opts.retval >> 16, 1, "bpf_modify_return_test.side_effect");
+
+cleanup:
+	for (; i >= 0; i--) {
+		bpf_link__destroy(inst[i].link);
+		bpf_object__close(inst[i].obj);
+	}
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/udp_limit.c b/tools/testing/selftests/bpf/prog_tests/udp_limit.c
new file mode 100644
index 000000000..2643d896d
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/udp_limit.c
@@ -0,0 +1,70 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <test_progs.h>
+#include "udp_limit.skel.h"
+
+#include <sys/types.h>
+#include <sys/socket.h>
+
+void test_udp_limit(void)
+{
+	struct udp_limit *skel;
+	int fd1 = -1, fd2 = -1;
+	int cgroup_fd;
+
+	cgroup_fd = test__join_cgroup("/udp_limit");
+	if (!ASSERT_GE(cgroup_fd, 0, "cg-join"))
+		return;
+
+	skel = udp_limit__open_and_load();
+	if (!ASSERT_OK_PTR(skel, "skel-load"))
+		goto close_cgroup_fd;
+
+	skel->links.sock = bpf_program__attach_cgroup(skel->progs.sock, cgroup_fd);
+	if (!ASSERT_OK_PTR(skel->links.sock, "cg_attach_sock"))
+		goto close_skeleton;
+	skel->links.sock_release = bpf_program__attach_cgroup(skel->progs.sock_release, cgroup_fd);
+	if (!ASSERT_OK_PTR(skel->links.sock_release, "cg_attach_sock_release"))
+		goto close_skeleton;
+
+	/* BPF program enforces a single UDP socket per cgroup,
+	 * verify that.
+	 */
+	fd1 = socket(AF_INET, SOCK_DGRAM, 0);
+	if (!ASSERT_GE(fd1, 0, "socket(fd1)"))
+		goto close_skeleton;
+
+	fd2 = socket(AF_INET, SOCK_DGRAM, 0);
+	if (!ASSERT_LT(fd2, 0, "socket(fd2)"))
+		goto close_skeleton;
+
+	/* We can reopen again after close. */
+	close(fd1);
+	fd1 = -1;
+
+	fd1 = socket(AF_INET, SOCK_DGRAM, 0);
+	if (!ASSERT_GE(fd1, 0, "socket(fd1-again)"))
+		goto close_skeleton;
+
+	/* Make sure the program was invoked the expected
+	 * number of times:
+	 * - open fd1           - BPF_CGROUP_INET_SOCK_CREATE
+	 * - attempt to openfd2 - BPF_CGROUP_INET_SOCK_CREATE
+	 * - close fd1          - BPF_CGROUP_INET_SOCK_RELEASE
+	 * - open fd1 again     - BPF_CGROUP_INET_SOCK_CREATE
+	 */
+	if (!ASSERT_EQ(skel->bss->invocations, 4, "bss-invocations"))
+		goto close_skeleton;
+
+	/* We should still have a single socket in use */
+	if (!ASSERT_EQ(skel->bss->in_use, 1, "bss-in_use"))
+		goto close_skeleton;
+
+close_skeleton:
+	if (fd1 >= 0)
+		close(fd1);
+	if (fd2 >= 0)
+		close(fd2);
+	udp_limit__destroy(skel);
+close_cgroup_fd:
+	close(cgroup_fd);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/unpriv_bpf_disabled.c b/tools/testing/selftests/bpf/prog_tests/unpriv_bpf_disabled.c
new file mode 100644
index 000000000..1ed3cc209
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/unpriv_bpf_disabled.c
@@ -0,0 +1,312 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2022, Oracle and/or its affiliates. */
+
+#include <test_progs.h>
+#include <bpf/btf.h>
+
+#include "test_unpriv_bpf_disabled.skel.h"
+
+#include "cap_helpers.h"
+
+/* Using CAP_LAST_CAP is risky here, since it can get pulled in from
+ * an old /usr/include/linux/capability.h and be < CAP_BPF; as a result
+ * CAP_BPF would not be included in ALL_CAPS.  Instead use CAP_BPF as
+ * we know its value is correct since it is explicitly defined in
+ * cap_helpers.h.
+ */
+#define ALL_CAPS	((2ULL << CAP_BPF) - 1)
+
+#define PINPATH		"/sys/fs/bpf/unpriv_bpf_disabled_"
+#define NUM_MAPS	7
+
+static __u32 got_perfbuf_val;
+static __u32 got_ringbuf_val;
+
+static int process_ringbuf(void *ctx, void *data, size_t len)
+{
+	if (ASSERT_EQ(len, sizeof(__u32), "ringbuf_size_valid"))
+		got_ringbuf_val = *(__u32 *)data;
+	return 0;
+}
+
+static void process_perfbuf(void *ctx, int cpu, void *data, __u32 len)
+{
+	if (ASSERT_EQ(len, sizeof(__u32), "perfbuf_size_valid"))
+		got_perfbuf_val = *(__u32 *)data;
+}
+
+static int sysctl_set(const char *sysctl_path, char *old_val, const char *new_val)
+{
+	int ret = 0;
+	FILE *fp;
+
+	fp = fopen(sysctl_path, "r+");
+	if (!fp)
+		return -errno;
+	if (old_val && fscanf(fp, "%s", old_val) <= 0) {
+		ret = -ENOENT;
+	} else if (!old_val || strcmp(old_val, new_val) != 0) {
+		fseek(fp, 0, SEEK_SET);
+		if (fprintf(fp, "%s", new_val) < 0)
+			ret = -errno;
+	}
+	fclose(fp);
+
+	return ret;
+}
+
+static void test_unpriv_bpf_disabled_positive(struct test_unpriv_bpf_disabled *skel,
+					      __u32 prog_id, int prog_fd, int perf_fd,
+					      char **map_paths, int *map_fds)
+{
+	struct perf_buffer *perfbuf = NULL;
+	struct ring_buffer *ringbuf = NULL;
+	int i, nr_cpus, link_fd = -1;
+
+	nr_cpus = bpf_num_possible_cpus();
+
+	skel->bss->perfbuf_val = 1;
+	skel->bss->ringbuf_val = 2;
+
+	/* Positive tests for unprivileged BPF disabled. Verify we can
+	 * - retrieve and interact with pinned maps;
+	 * - set up and interact with perf buffer;
+	 * - set up and interact with ring buffer;
+	 * - create a link
+	 */
+	perfbuf = perf_buffer__new(bpf_map__fd(skel->maps.perfbuf), 8, process_perfbuf, NULL, NULL,
+				   NULL);
+	if (!ASSERT_OK_PTR(perfbuf, "perf_buffer__new"))
+		goto cleanup;
+
+	ringbuf = ring_buffer__new(bpf_map__fd(skel->maps.ringbuf), process_ringbuf, NULL, NULL);
+	if (!ASSERT_OK_PTR(ringbuf, "ring_buffer__new"))
+		goto cleanup;
+
+	/* trigger & validate perf event, ringbuf output */
+	usleep(1);
+
+	ASSERT_GT(perf_buffer__poll(perfbuf, 100), -1, "perf_buffer__poll");
+	ASSERT_EQ(got_perfbuf_val, skel->bss->perfbuf_val, "check_perfbuf_val");
+	ASSERT_EQ(ring_buffer__consume(ringbuf), 1, "ring_buffer__consume");
+	ASSERT_EQ(got_ringbuf_val, skel->bss->ringbuf_val, "check_ringbuf_val");
+
+	for (i = 0; i < NUM_MAPS; i++) {
+		map_fds[i] = bpf_obj_get(map_paths[i]);
+		if (!ASSERT_GT(map_fds[i], -1, "obj_get"))
+			goto cleanup;
+	}
+
+	for (i = 0; i < NUM_MAPS; i++) {
+		bool prog_array = strstr(map_paths[i], "prog_array") != NULL;
+		bool array = strstr(map_paths[i], "array") != NULL;
+		bool buf = strstr(map_paths[i], "buf") != NULL;
+		__u32 key = 0, vals[nr_cpus], lookup_vals[nr_cpus];
+		__u32 expected_val = 1;
+		int j;
+
+		/* skip ringbuf, perfbuf */
+		if (buf)
+			continue;
+
+		for (j = 0; j < nr_cpus; j++)
+			vals[j] = expected_val;
+
+		if (prog_array) {
+			/* need valid prog array value */
+			vals[0] = prog_fd;
+			/* prog array lookup returns prog id, not fd */
+			expected_val = prog_id;
+		}
+		ASSERT_OK(bpf_map_update_elem(map_fds[i], &key, vals, 0), "map_update_elem");
+		ASSERT_OK(bpf_map_lookup_elem(map_fds[i], &key, &lookup_vals), "map_lookup_elem");
+		ASSERT_EQ(lookup_vals[0], expected_val, "map_lookup_elem_values");
+		if (!array)
+			ASSERT_OK(bpf_map_delete_elem(map_fds[i], &key), "map_delete_elem");
+	}
+
+	link_fd = bpf_link_create(bpf_program__fd(skel->progs.handle_perf_event), perf_fd,
+				  BPF_PERF_EVENT, NULL);
+	ASSERT_GT(link_fd, 0, "link_create");
+
+cleanup:
+	if (link_fd)
+		close(link_fd);
+	if (perfbuf)
+		perf_buffer__free(perfbuf);
+	if (ringbuf)
+		ring_buffer__free(ringbuf);
+}
+
+static void test_unpriv_bpf_disabled_negative(struct test_unpriv_bpf_disabled *skel,
+					      __u32 prog_id, int prog_fd, int perf_fd,
+					      char **map_paths, int *map_fds)
+{
+	const struct bpf_insn prog_insns[] = {
+		BPF_MOV64_IMM(BPF_REG_0, 0),
+		BPF_EXIT_INSN(),
+	};
+	const size_t prog_insn_cnt = sizeof(prog_insns) / sizeof(struct bpf_insn);
+	LIBBPF_OPTS(bpf_prog_load_opts, load_opts);
+	struct bpf_map_info map_info = {};
+	__u32 map_info_len = sizeof(map_info);
+	struct bpf_link_info link_info = {};
+	__u32 link_info_len = sizeof(link_info);
+	struct btf *btf = NULL;
+	__u32 attach_flags = 0;
+	__u32 prog_ids[3] = {};
+	__u32 prog_cnt = 3;
+	__u32 next;
+	int i;
+
+	/* Negative tests for unprivileged BPF disabled.  Verify we cannot
+	 * - load BPF programs;
+	 * - create BPF maps;
+	 * - get a prog/map/link fd by id;
+	 * - get next prog/map/link id
+	 * - query prog
+	 * - BTF load
+	 */
+	ASSERT_EQ(bpf_prog_load(BPF_PROG_TYPE_SOCKET_FILTER, "simple_prog", "GPL",
+				prog_insns, prog_insn_cnt, &load_opts),
+		  -EPERM, "prog_load_fails");
+
+	for (i = BPF_MAP_TYPE_HASH; i <= BPF_MAP_TYPE_BLOOM_FILTER; i++)
+		ASSERT_EQ(bpf_map_create(i, NULL, sizeof(int), sizeof(int), 1, NULL),
+			  -EPERM, "map_create_fails");
+
+	ASSERT_EQ(bpf_prog_get_fd_by_id(prog_id), -EPERM, "prog_get_fd_by_id_fails");
+	ASSERT_EQ(bpf_prog_get_next_id(prog_id, &next), -EPERM, "prog_get_next_id_fails");
+	ASSERT_EQ(bpf_prog_get_next_id(0, &next), -EPERM, "prog_get_next_id_fails");
+
+	if (ASSERT_OK(bpf_obj_get_info_by_fd(map_fds[0], &map_info, &map_info_len),
+		      "obj_get_info_by_fd")) {
+		ASSERT_EQ(bpf_map_get_fd_by_id(map_info.id), -EPERM, "map_get_fd_by_id_fails");
+		ASSERT_EQ(bpf_map_get_next_id(map_info.id, &next), -EPERM,
+			  "map_get_next_id_fails");
+	}
+	ASSERT_EQ(bpf_map_get_next_id(0, &next), -EPERM, "map_get_next_id_fails");
+
+	if (ASSERT_OK(bpf_obj_get_info_by_fd(bpf_link__fd(skel->links.sys_nanosleep_enter),
+					     &link_info, &link_info_len),
+		      "obj_get_info_by_fd")) {
+		ASSERT_EQ(bpf_link_get_fd_by_id(link_info.id), -EPERM, "link_get_fd_by_id_fails");
+		ASSERT_EQ(bpf_link_get_next_id(link_info.id, &next), -EPERM,
+			  "link_get_next_id_fails");
+	}
+	ASSERT_EQ(bpf_link_get_next_id(0, &next), -EPERM, "link_get_next_id_fails");
+
+	ASSERT_EQ(bpf_prog_query(prog_fd, BPF_TRACE_FENTRY, 0, &attach_flags, prog_ids,
+				 &prog_cnt), -EPERM, "prog_query_fails");
+
+	btf = btf__new_empty();
+	if (ASSERT_OK_PTR(btf, "empty_btf") &&
+	    ASSERT_GT(btf__add_int(btf, "int", 4, 0), 0, "unpriv_int_type")) {
+		const void *raw_btf_data;
+		__u32 raw_btf_size;
+
+		raw_btf_data = btf__raw_data(btf, &raw_btf_size);
+		if (ASSERT_OK_PTR(raw_btf_data, "raw_btf_data_good"))
+			ASSERT_EQ(bpf_btf_load(raw_btf_data, raw_btf_size, NULL), -EPERM,
+				  "bpf_btf_load_fails");
+	}
+	btf__free(btf);
+}
+
+void test_unpriv_bpf_disabled(void)
+{
+	char *map_paths[NUM_MAPS] = {	PINPATH	"array",
+					PINPATH "percpu_array",
+					PINPATH "hash",
+					PINPATH "percpu_hash",
+					PINPATH "perfbuf",
+					PINPATH "ringbuf",
+					PINPATH "prog_array" };
+	int map_fds[NUM_MAPS];
+	struct test_unpriv_bpf_disabled *skel;
+	char unprivileged_bpf_disabled_orig[32] = {};
+	char perf_event_paranoid_orig[32] = {};
+	struct bpf_prog_info prog_info = {};
+	__u32 prog_info_len = sizeof(prog_info);
+	struct perf_event_attr attr = {};
+	int prog_fd, perf_fd = -1, i, ret;
+	__u64 save_caps = 0;
+	__u32 prog_id;
+
+	skel = test_unpriv_bpf_disabled__open_and_load();
+	if (!ASSERT_OK_PTR(skel, "skel_open"))
+		return;
+
+	skel->bss->test_pid = getpid();
+
+	map_fds[0] = bpf_map__fd(skel->maps.array);
+	map_fds[1] = bpf_map__fd(skel->maps.percpu_array);
+	map_fds[2] = bpf_map__fd(skel->maps.hash);
+	map_fds[3] = bpf_map__fd(skel->maps.percpu_hash);
+	map_fds[4] = bpf_map__fd(skel->maps.perfbuf);
+	map_fds[5] = bpf_map__fd(skel->maps.ringbuf);
+	map_fds[6] = bpf_map__fd(skel->maps.prog_array);
+
+	for (i = 0; i < NUM_MAPS; i++)
+		ASSERT_OK(bpf_obj_pin(map_fds[i], map_paths[i]), "pin map_fd");
+
+	/* allow user without caps to use perf events */
+	if (!ASSERT_OK(sysctl_set("/proc/sys/kernel/perf_event_paranoid", perf_event_paranoid_orig,
+				  "-1"),
+		       "set_perf_event_paranoid"))
+		goto cleanup;
+	/* ensure unprivileged bpf disabled is set */
+	ret = sysctl_set("/proc/sys/kernel/unprivileged_bpf_disabled",
+			 unprivileged_bpf_disabled_orig, "2");
+	if (ret == -EPERM) {
+		/* if unprivileged_bpf_disabled=1, we get -EPERM back; that's okay. */
+		if (!ASSERT_OK(strcmp(unprivileged_bpf_disabled_orig, "1"),
+			       "unprivileged_bpf_disabled_on"))
+			goto cleanup;
+	} else {
+		if (!ASSERT_OK(ret, "set unprivileged_bpf_disabled"))
+			goto cleanup;
+	}
+
+	prog_fd = bpf_program__fd(skel->progs.sys_nanosleep_enter);
+	ASSERT_OK(bpf_obj_get_info_by_fd(prog_fd, &prog_info, &prog_info_len),
+		  "obj_get_info_by_fd");
+	prog_id = prog_info.id;
+	ASSERT_GT(prog_id, 0, "valid_prog_id");
+
+	attr.size = sizeof(attr);
+	attr.type = PERF_TYPE_SOFTWARE;
+	attr.config = PERF_COUNT_SW_CPU_CLOCK;
+	attr.freq = 1;
+	attr.sample_freq = 1000;
+	perf_fd = syscall(__NR_perf_event_open, &attr, -1, 0, -1, PERF_FLAG_FD_CLOEXEC);
+	if (!ASSERT_GE(perf_fd, 0, "perf_fd"))
+		goto cleanup;
+
+	if (!ASSERT_OK(test_unpriv_bpf_disabled__attach(skel), "skel_attach"))
+		goto cleanup;
+
+	if (!ASSERT_OK(cap_disable_effective(ALL_CAPS, &save_caps), "disable caps"))
+		goto cleanup;
+
+	if (test__start_subtest("unpriv_bpf_disabled_positive"))
+		test_unpriv_bpf_disabled_positive(skel, prog_id, prog_fd, perf_fd, map_paths,
+						  map_fds);
+
+	if (test__start_subtest("unpriv_bpf_disabled_negative"))
+		test_unpriv_bpf_disabled_negative(skel, prog_id, prog_fd, perf_fd, map_paths,
+						  map_fds);
+
+cleanup:
+	close(perf_fd);
+	if (save_caps)
+		cap_enable_effective(save_caps, NULL);
+	if (strlen(perf_event_paranoid_orig) > 0)
+		sysctl_set("/proc/sys/kernel/perf_event_paranoid", NULL, perf_event_paranoid_orig);
+	if (strlen(unprivileged_bpf_disabled_orig) > 0)
+		sysctl_set("/proc/sys/kernel/unprivileged_bpf_disabled", NULL,
+			   unprivileged_bpf_disabled_orig);
+	for (i = 0; i < NUM_MAPS; i++)
+		unlink(map_paths[i]);
+	test_unpriv_bpf_disabled__destroy(skel);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/uprobe_autoattach.c b/tools/testing/selftests/bpf/prog_tests/uprobe_autoattach.c
new file mode 100644
index 000000000..35b87c7ba
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/uprobe_autoattach.c
@@ -0,0 +1,50 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2022, Oracle and/or its affiliates. */
+
+#include <test_progs.h>
+#include "test_uprobe_autoattach.skel.h"
+
+/* uprobe attach point */
+static noinline int autoattach_trigger_func(int arg)
+{
+	asm volatile ("");
+	return arg + 1;
+}
+
+void test_uprobe_autoattach(void)
+{
+	struct test_uprobe_autoattach *skel;
+	int trigger_val = 100, trigger_ret;
+	size_t malloc_sz = 1;
+	char *mem;
+
+	skel = test_uprobe_autoattach__open_and_load();
+	if (!ASSERT_OK_PTR(skel, "skel_open"))
+		return;
+
+	if (!ASSERT_OK(test_uprobe_autoattach__attach(skel), "skel_attach"))
+		goto cleanup;
+
+	skel->bss->test_pid = getpid();
+
+	/* trigger & validate uprobe & uretprobe */
+	trigger_ret = autoattach_trigger_func(trigger_val);
+
+	skel->bss->test_pid = getpid();
+
+	/* trigger & validate shared library u[ret]probes attached by name */
+	mem = malloc(malloc_sz);
+
+	ASSERT_EQ(skel->bss->uprobe_byname_parm1, trigger_val, "check_uprobe_byname_parm1");
+	ASSERT_EQ(skel->bss->uprobe_byname_ran, 1, "check_uprobe_byname_ran");
+	ASSERT_EQ(skel->bss->uretprobe_byname_rc, trigger_ret, "check_uretprobe_byname_rc");
+	ASSERT_EQ(skel->bss->uretprobe_byname_ran, 2, "check_uretprobe_byname_ran");
+	ASSERT_EQ(skel->bss->uprobe_byname2_parm1, malloc_sz, "check_uprobe_byname2_parm1");
+	ASSERT_EQ(skel->bss->uprobe_byname2_ran, 3, "check_uprobe_byname2_ran");
+	ASSERT_EQ(skel->bss->uretprobe_byname2_rc, mem, "check_uretprobe_byname2_rc");
+	ASSERT_EQ(skel->bss->uretprobe_byname2_ran, 4, "check_uretprobe_byname2_ran");
+
+	free(mem);
+cleanup:
+	test_uprobe_autoattach__destroy(skel);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/usdt.c b/tools/testing/selftests/bpf/prog_tests/usdt.c
new file mode 100644
index 000000000..9ad9da0f2
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/usdt.c
@@ -0,0 +1,419 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2022 Meta Platforms, Inc. and affiliates. */
+#include <test_progs.h>
+
+#define _SDT_HAS_SEMAPHORES 1
+#include "../sdt.h"
+
+#include "test_usdt.skel.h"
+#include "test_urandom_usdt.skel.h"
+
+int lets_test_this(int);
+
+static volatile int idx = 2;
+static volatile __u64 bla = 0xFEDCBA9876543210ULL;
+static volatile short nums[] = {-1, -2, -3, -4};
+
+static volatile struct {
+	int x;
+	signed char y;
+} t1 = { 1, -127 };
+
+#define SEC(name) __attribute__((section(name), used))
+
+unsigned short test_usdt0_semaphore SEC(".probes");
+unsigned short test_usdt3_semaphore SEC(".probes");
+unsigned short test_usdt12_semaphore SEC(".probes");
+
+static void __always_inline trigger_func(int x) {
+	long y = 42;
+
+	if (test_usdt0_semaphore)
+		STAP_PROBE(test, usdt0);
+	if (test_usdt3_semaphore)
+		STAP_PROBE3(test, usdt3, x, y, &bla);
+	if (test_usdt12_semaphore) {
+		STAP_PROBE12(test, usdt12,
+			     x, x + 1, y, x + y, 5,
+			     y / 7, bla, &bla, -9, nums[x],
+			     nums[idx], t1.y);
+	}
+}
+
+static void subtest_basic_usdt(void)
+{
+	LIBBPF_OPTS(bpf_usdt_opts, opts);
+	struct test_usdt *skel;
+	struct test_usdt__bss *bss;
+	int err;
+
+	skel = test_usdt__open_and_load();
+	if (!ASSERT_OK_PTR(skel, "skel_open"))
+		return;
+
+	bss = skel->bss;
+	bss->my_pid = getpid();
+
+	err = test_usdt__attach(skel);
+	if (!ASSERT_OK(err, "skel_attach"))
+		goto cleanup;
+
+	/* usdt0 won't be auto-attached */
+	opts.usdt_cookie = 0xcafedeadbeeffeed;
+	skel->links.usdt0 = bpf_program__attach_usdt(skel->progs.usdt0,
+						     0 /*self*/, "/proc/self/exe",
+						     "test", "usdt0", &opts);
+	if (!ASSERT_OK_PTR(skel->links.usdt0, "usdt0_link"))
+		goto cleanup;
+
+	trigger_func(1);
+
+	ASSERT_EQ(bss->usdt0_called, 1, "usdt0_called");
+	ASSERT_EQ(bss->usdt3_called, 1, "usdt3_called");
+	ASSERT_EQ(bss->usdt12_called, 1, "usdt12_called");
+
+	ASSERT_EQ(bss->usdt0_cookie, 0xcafedeadbeeffeed, "usdt0_cookie");
+	ASSERT_EQ(bss->usdt0_arg_cnt, 0, "usdt0_arg_cnt");
+	ASSERT_EQ(bss->usdt0_arg_ret, -ENOENT, "usdt0_arg_ret");
+
+	/* auto-attached usdt3 gets default zero cookie value */
+	ASSERT_EQ(bss->usdt3_cookie, 0, "usdt3_cookie");
+	ASSERT_EQ(bss->usdt3_arg_cnt, 3, "usdt3_arg_cnt");
+
+	ASSERT_EQ(bss->usdt3_arg_rets[0], 0, "usdt3_arg1_ret");
+	ASSERT_EQ(bss->usdt3_arg_rets[1], 0, "usdt3_arg2_ret");
+	ASSERT_EQ(bss->usdt3_arg_rets[2], 0, "usdt3_arg3_ret");
+	ASSERT_EQ(bss->usdt3_args[0], 1, "usdt3_arg1");
+	ASSERT_EQ(bss->usdt3_args[1], 42, "usdt3_arg2");
+	ASSERT_EQ(bss->usdt3_args[2], (uintptr_t)&bla, "usdt3_arg3");
+
+	/* auto-attached usdt12 gets default zero cookie value */
+	ASSERT_EQ(bss->usdt12_cookie, 0, "usdt12_cookie");
+	ASSERT_EQ(bss->usdt12_arg_cnt, 12, "usdt12_arg_cnt");
+
+	ASSERT_EQ(bss->usdt12_args[0], 1, "usdt12_arg1");
+	ASSERT_EQ(bss->usdt12_args[1], 1 + 1, "usdt12_arg2");
+	ASSERT_EQ(bss->usdt12_args[2], 42, "usdt12_arg3");
+	ASSERT_EQ(bss->usdt12_args[3], 42 + 1, "usdt12_arg4");
+	ASSERT_EQ(bss->usdt12_args[4], 5, "usdt12_arg5");
+	ASSERT_EQ(bss->usdt12_args[5], 42 / 7, "usdt12_arg6");
+	ASSERT_EQ(bss->usdt12_args[6], bla, "usdt12_arg7");
+	ASSERT_EQ(bss->usdt12_args[7], (uintptr_t)&bla, "usdt12_arg8");
+	ASSERT_EQ(bss->usdt12_args[8], -9, "usdt12_arg9");
+	ASSERT_EQ(bss->usdt12_args[9], nums[1], "usdt12_arg10");
+	ASSERT_EQ(bss->usdt12_args[10], nums[idx], "usdt12_arg11");
+	ASSERT_EQ(bss->usdt12_args[11], t1.y, "usdt12_arg12");
+
+	/* trigger_func() is marked __always_inline, so USDT invocations will be
+	 * inlined in two different places, meaning that each USDT will have
+	 * at least 2 different places to be attached to. This verifies that
+	 * bpf_program__attach_usdt() handles this properly and attaches to
+	 * all possible places of USDT invocation.
+	 */
+	trigger_func(2);
+
+	ASSERT_EQ(bss->usdt0_called, 2, "usdt0_called");
+	ASSERT_EQ(bss->usdt3_called, 2, "usdt3_called");
+	ASSERT_EQ(bss->usdt12_called, 2, "usdt12_called");
+
+	/* only check values that depend on trigger_func()'s input value */
+	ASSERT_EQ(bss->usdt3_args[0], 2, "usdt3_arg1");
+
+	ASSERT_EQ(bss->usdt12_args[0], 2, "usdt12_arg1");
+	ASSERT_EQ(bss->usdt12_args[1], 2 + 1, "usdt12_arg2");
+	ASSERT_EQ(bss->usdt12_args[3], 42 + 2, "usdt12_arg4");
+	ASSERT_EQ(bss->usdt12_args[9], nums[2], "usdt12_arg10");
+
+	/* detach and re-attach usdt3 */
+	bpf_link__destroy(skel->links.usdt3);
+
+	opts.usdt_cookie = 0xBADC00C51E;
+	skel->links.usdt3 = bpf_program__attach_usdt(skel->progs.usdt3, -1 /* any pid */,
+						     "/proc/self/exe", "test", "usdt3", &opts);
+	if (!ASSERT_OK_PTR(skel->links.usdt3, "usdt3_reattach"))
+		goto cleanup;
+
+	trigger_func(3);
+
+	ASSERT_EQ(bss->usdt3_called, 3, "usdt3_called");
+	/* this time usdt3 has custom cookie */
+	ASSERT_EQ(bss->usdt3_cookie, 0xBADC00C51E, "usdt3_cookie");
+	ASSERT_EQ(bss->usdt3_arg_cnt, 3, "usdt3_arg_cnt");
+
+	ASSERT_EQ(bss->usdt3_arg_rets[0], 0, "usdt3_arg1_ret");
+	ASSERT_EQ(bss->usdt3_arg_rets[1], 0, "usdt3_arg2_ret");
+	ASSERT_EQ(bss->usdt3_arg_rets[2], 0, "usdt3_arg3_ret");
+	ASSERT_EQ(bss->usdt3_args[0], 3, "usdt3_arg1");
+	ASSERT_EQ(bss->usdt3_args[1], 42, "usdt3_arg2");
+	ASSERT_EQ(bss->usdt3_args[2], (uintptr_t)&bla, "usdt3_arg3");
+
+cleanup:
+	test_usdt__destroy(skel);
+}
+
+unsigned short test_usdt_100_semaphore SEC(".probes");
+unsigned short test_usdt_300_semaphore SEC(".probes");
+unsigned short test_usdt_400_semaphore SEC(".probes");
+
+#define R10(F, X)  F(X+0); F(X+1);F(X+2); F(X+3); F(X+4); \
+		   F(X+5); F(X+6); F(X+7); F(X+8); F(X+9);
+#define R100(F, X) R10(F,X+ 0);R10(F,X+10);R10(F,X+20);R10(F,X+30);R10(F,X+40); \
+		   R10(F,X+50);R10(F,X+60);R10(F,X+70);R10(F,X+80);R10(F,X+90);
+
+/* carefully control that we get exactly 100 inlines by preventing inlining */
+static void __always_inline f100(int x)
+{
+	STAP_PROBE1(test, usdt_100, x);
+}
+
+__weak void trigger_100_usdts(void)
+{
+	R100(f100, 0);
+}
+
+/* we shouldn't be able to attach to test:usdt2_300 USDT as we don't have as
+ * many slots for specs. It's important that each STAP_PROBE2() invocation
+ * (after untolling) gets different arg spec due to compiler inlining i as
+ * a constant
+ */
+static void __always_inline f300(int x)
+{
+	STAP_PROBE1(test, usdt_300, x);
+}
+
+__weak void trigger_300_usdts(void)
+{
+	R100(f300, 0);
+	R100(f300, 100);
+	R100(f300, 200);
+}
+
+static void __always_inline f400(int x __attribute__((unused)))
+{
+	STAP_PROBE1(test, usdt_400, 400);
+}
+
+/* this time we have 400 different USDT call sites, but they have uniform
+ * argument location, so libbpf's spec string deduplication logic should keep
+ * spec count use very small and so we should be able to attach to all 400
+ * call sites
+ */
+__weak void trigger_400_usdts(void)
+{
+	R100(f400, 0);
+	R100(f400, 100);
+	R100(f400, 200);
+	R100(f400, 300);
+}
+
+static void subtest_multispec_usdt(void)
+{
+	LIBBPF_OPTS(bpf_usdt_opts, opts);
+	struct test_usdt *skel;
+	struct test_usdt__bss *bss;
+	int err, i;
+
+	skel = test_usdt__open_and_load();
+	if (!ASSERT_OK_PTR(skel, "skel_open"))
+		return;
+
+	bss = skel->bss;
+	bss->my_pid = getpid();
+
+	err = test_usdt__attach(skel);
+	if (!ASSERT_OK(err, "skel_attach"))
+		goto cleanup;
+
+	/* usdt_100 is auto-attached and there are 100 inlined call sites,
+	 * let's validate that all of them are properly attached to and
+	 * handled from BPF side
+	 */
+	trigger_100_usdts();
+
+	ASSERT_EQ(bss->usdt_100_called, 100, "usdt_100_called");
+	ASSERT_EQ(bss->usdt_100_sum, 99 * 100 / 2, "usdt_100_sum");
+
+	/* Stress test free spec ID tracking. By default libbpf allows up to
+	 * 256 specs to be used, so if we don't return free spec IDs back
+	 * after few detachments and re-attachments we should run out of
+	 * available spec IDs.
+	 */
+	for (i = 0; i < 2; i++) {
+		bpf_link__destroy(skel->links.usdt_100);
+
+		skel->links.usdt_100 = bpf_program__attach_usdt(skel->progs.usdt_100, -1,
+							        "/proc/self/exe",
+								"test", "usdt_100", NULL);
+		if (!ASSERT_OK_PTR(skel->links.usdt_100, "usdt_100_reattach"))
+			goto cleanup;
+
+		bss->usdt_100_sum = 0;
+		trigger_100_usdts();
+
+		ASSERT_EQ(bss->usdt_100_called, (i + 1) * 100 + 100, "usdt_100_called");
+		ASSERT_EQ(bss->usdt_100_sum, 99 * 100 / 2, "usdt_100_sum");
+	}
+
+	/* Now let's step it up and try to attach USDT that requires more than
+	 * 256 attach points with different specs for each.
+	 * Note that we need trigger_300_usdts() only to actually have 300
+	 * USDT call sites, we are not going to actually trace them.
+	 */
+	trigger_300_usdts();
+
+	/* we'll reuse usdt_100 BPF program for usdt_300 test */
+	bpf_link__destroy(skel->links.usdt_100);
+	skel->links.usdt_100 = bpf_program__attach_usdt(skel->progs.usdt_100, -1, "/proc/self/exe",
+							"test", "usdt_300", NULL);
+	err = -errno;
+	if (!ASSERT_ERR_PTR(skel->links.usdt_100, "usdt_300_bad_attach"))
+		goto cleanup;
+	ASSERT_EQ(err, -E2BIG, "usdt_300_attach_err");
+
+	/* let's check that there are no "dangling" BPF programs attached due
+	 * to partial success of the above test:usdt_300 attachment
+	 */
+	bss->usdt_100_called = 0;
+	bss->usdt_100_sum = 0;
+
+	f300(777); /* this is 301st instance of usdt_300 */
+
+	ASSERT_EQ(bss->usdt_100_called, 0, "usdt_301_called");
+	ASSERT_EQ(bss->usdt_100_sum, 0, "usdt_301_sum");
+
+	/* This time we have USDT with 400 inlined invocations, but arg specs
+	 * should be the same across all sites, so libbpf will only need to
+	 * use one spec and thus we'll be able to attach 400 uprobes
+	 * successfully.
+	 *
+	 * Again, we are reusing usdt_100 BPF program.
+	 */
+	skel->links.usdt_100 = bpf_program__attach_usdt(skel->progs.usdt_100, -1,
+							"/proc/self/exe",
+							"test", "usdt_400", NULL);
+	if (!ASSERT_OK_PTR(skel->links.usdt_100, "usdt_400_attach"))
+		goto cleanup;
+
+	trigger_400_usdts();
+
+	ASSERT_EQ(bss->usdt_100_called, 400, "usdt_400_called");
+	ASSERT_EQ(bss->usdt_100_sum, 400 * 400, "usdt_400_sum");
+
+cleanup:
+	test_usdt__destroy(skel);
+}
+
+static FILE *urand_spawn(int *pid)
+{
+	FILE *f;
+
+	/* urandom_read's stdout is wired into f */
+	f = popen("./urandom_read 1 report-pid", "r");
+	if (!f)
+		return NULL;
+
+	if (fscanf(f, "%d", pid) != 1) {
+		pclose(f);
+		return NULL;
+	}
+
+	return f;
+}
+
+static int urand_trigger(FILE **urand_pipe)
+{
+	int exit_code;
+
+	/* pclose() waits for child process to exit and returns their exit code */
+	exit_code = pclose(*urand_pipe);
+	*urand_pipe = NULL;
+
+	return exit_code;
+}
+
+static void subtest_urandom_usdt(bool auto_attach)
+{
+	struct test_urandom_usdt *skel;
+	struct test_urandom_usdt__bss *bss;
+	struct bpf_link *l;
+	FILE *urand_pipe = NULL;
+	int err, urand_pid = 0;
+
+	skel = test_urandom_usdt__open_and_load();
+	if (!ASSERT_OK_PTR(skel, "skel_open"))
+		return;
+
+	urand_pipe = urand_spawn(&urand_pid);
+	if (!ASSERT_OK_PTR(urand_pipe, "urand_spawn"))
+		goto cleanup;
+
+	bss = skel->bss;
+	bss->urand_pid = urand_pid;
+
+	if (auto_attach) {
+		err = test_urandom_usdt__attach(skel);
+		if (!ASSERT_OK(err, "skel_auto_attach"))
+			goto cleanup;
+	} else {
+		l = bpf_program__attach_usdt(skel->progs.urand_read_without_sema,
+					     urand_pid, "./urandom_read",
+					     "urand", "read_without_sema", NULL);
+		if (!ASSERT_OK_PTR(l, "urand_without_sema_attach"))
+			goto cleanup;
+		skel->links.urand_read_without_sema = l;
+
+		l = bpf_program__attach_usdt(skel->progs.urand_read_with_sema,
+					     urand_pid, "./urandom_read",
+					     "urand", "read_with_sema", NULL);
+		if (!ASSERT_OK_PTR(l, "urand_with_sema_attach"))
+			goto cleanup;
+		skel->links.urand_read_with_sema = l;
+
+		l = bpf_program__attach_usdt(skel->progs.urandlib_read_without_sema,
+					     urand_pid, "./liburandom_read.so",
+					     "urandlib", "read_without_sema", NULL);
+		if (!ASSERT_OK_PTR(l, "urandlib_without_sema_attach"))
+			goto cleanup;
+		skel->links.urandlib_read_without_sema = l;
+
+		l = bpf_program__attach_usdt(skel->progs.urandlib_read_with_sema,
+					     urand_pid, "./liburandom_read.so",
+					     "urandlib", "read_with_sema", NULL);
+		if (!ASSERT_OK_PTR(l, "urandlib_with_sema_attach"))
+			goto cleanup;
+		skel->links.urandlib_read_with_sema = l;
+
+	}
+
+	/* trigger urandom_read USDTs */
+	ASSERT_OK(urand_trigger(&urand_pipe), "urand_exit_code");
+
+	ASSERT_EQ(bss->urand_read_without_sema_call_cnt, 1, "urand_wo_sema_cnt");
+	ASSERT_EQ(bss->urand_read_without_sema_buf_sz_sum, 256, "urand_wo_sema_sum");
+
+	ASSERT_EQ(bss->urand_read_with_sema_call_cnt, 1, "urand_w_sema_cnt");
+	ASSERT_EQ(bss->urand_read_with_sema_buf_sz_sum, 256, "urand_w_sema_sum");
+
+	ASSERT_EQ(bss->urandlib_read_without_sema_call_cnt, 1, "urandlib_wo_sema_cnt");
+	ASSERT_EQ(bss->urandlib_read_without_sema_buf_sz_sum, 256, "urandlib_wo_sema_sum");
+
+	ASSERT_EQ(bss->urandlib_read_with_sema_call_cnt, 1, "urandlib_w_sema_cnt");
+	ASSERT_EQ(bss->urandlib_read_with_sema_buf_sz_sum, 256, "urandlib_w_sema_sum");
+
+cleanup:
+	if (urand_pipe)
+		pclose(urand_pipe);
+	test_urandom_usdt__destroy(skel);
+}
+
+void test_usdt(void)
+{
+	if (test__start_subtest("basic"))
+		subtest_basic_usdt();
+	if (test__start_subtest("multispec"))
+		subtest_multispec_usdt();
+	if (test__start_subtest("urand_auto_attach"))
+		subtest_urandom_usdt(true /* auto_attach */);
+	if (test__start_subtest("urand_pid_attach"))
+		subtest_urandom_usdt(false /* auto_attach */);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/user_ringbuf.c b/tools/testing/selftests/bpf/prog_tests/user_ringbuf.c
new file mode 100644
index 000000000..02b18d018
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/user_ringbuf.c
@@ -0,0 +1,754 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2022 Meta Platforms, Inc. and affiliates. */
+
+#define _GNU_SOURCE
+#include <linux/compiler.h>
+#include <linux/ring_buffer.h>
+#include <pthread.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <sys/mman.h>
+#include <sys/syscall.h>
+#include <sys/sysinfo.h>
+#include <test_progs.h>
+#include <uapi/linux/bpf.h>
+#include <unistd.h>
+
+#include "user_ringbuf_fail.skel.h"
+#include "user_ringbuf_success.skel.h"
+
+#include "../progs/test_user_ringbuf.h"
+
+static size_t log_buf_sz = 1 << 20; /* 1 MB */
+static char obj_log_buf[1048576];
+static const long c_sample_size = sizeof(struct sample) + BPF_RINGBUF_HDR_SZ;
+static const long c_ringbuf_size = 1 << 12; /* 1 small page */
+static const long c_max_entries = c_ringbuf_size / c_sample_size;
+
+static void drain_current_samples(void)
+{
+	syscall(__NR_getpgid);
+}
+
+static int write_samples(struct user_ring_buffer *ringbuf, uint32_t num_samples)
+{
+	int i, err = 0;
+
+	/* Write some number of samples to the ring buffer. */
+	for (i = 0; i < num_samples; i++) {
+		struct sample *entry;
+		int read;
+
+		entry = user_ring_buffer__reserve(ringbuf, sizeof(*entry));
+		if (!entry) {
+			err = -errno;
+			goto done;
+		}
+
+		entry->pid = getpid();
+		entry->seq = i;
+		entry->value = i * i;
+
+		read = snprintf(entry->comm, sizeof(entry->comm), "%u", i);
+		if (read <= 0) {
+			/* Assert on the error path to avoid spamming logs with
+			 * mostly success messages.
+			 */
+			ASSERT_GT(read, 0, "snprintf_comm");
+			err = read;
+			user_ring_buffer__discard(ringbuf, entry);
+			goto done;
+		}
+
+		user_ring_buffer__submit(ringbuf, entry);
+	}
+
+done:
+	drain_current_samples();
+
+	return err;
+}
+
+static struct user_ringbuf_success *open_load_ringbuf_skel(void)
+{
+	struct user_ringbuf_success *skel;
+	int err;
+
+	skel = user_ringbuf_success__open();
+	if (!ASSERT_OK_PTR(skel, "skel_open"))
+		return NULL;
+
+	err = bpf_map__set_max_entries(skel->maps.user_ringbuf, c_ringbuf_size);
+	if (!ASSERT_OK(err, "set_max_entries"))
+		goto cleanup;
+
+	err = bpf_map__set_max_entries(skel->maps.kernel_ringbuf, c_ringbuf_size);
+	if (!ASSERT_OK(err, "set_max_entries"))
+		goto cleanup;
+
+	err = user_ringbuf_success__load(skel);
+	if (!ASSERT_OK(err, "skel_load"))
+		goto cleanup;
+
+	return skel;
+
+cleanup:
+	user_ringbuf_success__destroy(skel);
+	return NULL;
+}
+
+static void test_user_ringbuf_mappings(void)
+{
+	int err, rb_fd;
+	int page_size = getpagesize();
+	void *mmap_ptr;
+	struct user_ringbuf_success *skel;
+
+	skel = open_load_ringbuf_skel();
+	if (!skel)
+		return;
+
+	rb_fd = bpf_map__fd(skel->maps.user_ringbuf);
+	/* cons_pos can be mapped R/O, can't add +X with mprotect. */
+	mmap_ptr = mmap(NULL, page_size, PROT_READ, MAP_SHARED, rb_fd, 0);
+	ASSERT_OK_PTR(mmap_ptr, "ro_cons_pos");
+	ASSERT_ERR(mprotect(mmap_ptr, page_size, PROT_WRITE), "write_cons_pos_protect");
+	ASSERT_ERR(mprotect(mmap_ptr, page_size, PROT_EXEC), "exec_cons_pos_protect");
+	ASSERT_ERR_PTR(mremap(mmap_ptr, 0, 4 * page_size, MREMAP_MAYMOVE), "wr_prod_pos");
+	err = -errno;
+	ASSERT_ERR(err, "wr_prod_pos_err");
+	ASSERT_OK(munmap(mmap_ptr, page_size), "unmap_ro_cons");
+
+	/* prod_pos can be mapped RW, can't add +X with mprotect. */
+	mmap_ptr = mmap(NULL, page_size, PROT_READ | PROT_WRITE, MAP_SHARED,
+			rb_fd, page_size);
+	ASSERT_OK_PTR(mmap_ptr, "rw_prod_pos");
+	ASSERT_ERR(mprotect(mmap_ptr, page_size, PROT_EXEC), "exec_prod_pos_protect");
+	err = -errno;
+	ASSERT_ERR(err, "wr_prod_pos_err");
+	ASSERT_OK(munmap(mmap_ptr, page_size), "unmap_rw_prod");
+
+	/* data pages can be mapped RW, can't add +X with mprotect. */
+	mmap_ptr = mmap(NULL, page_size, PROT_WRITE, MAP_SHARED, rb_fd,
+			2 * page_size);
+	ASSERT_OK_PTR(mmap_ptr, "rw_data");
+	ASSERT_ERR(mprotect(mmap_ptr, page_size, PROT_EXEC), "exec_data_protect");
+	err = -errno;
+	ASSERT_ERR(err, "exec_data_err");
+	ASSERT_OK(munmap(mmap_ptr, page_size), "unmap_rw_data");
+
+	user_ringbuf_success__destroy(skel);
+}
+
+static int load_skel_create_ringbufs(struct user_ringbuf_success **skel_out,
+				     struct ring_buffer **kern_ringbuf_out,
+				     ring_buffer_sample_fn callback,
+				     struct user_ring_buffer **user_ringbuf_out)
+{
+	struct user_ringbuf_success *skel;
+	struct ring_buffer *kern_ringbuf = NULL;
+	struct user_ring_buffer *user_ringbuf = NULL;
+	int err = -ENOMEM, rb_fd;
+
+	skel = open_load_ringbuf_skel();
+	if (!skel)
+		return err;
+
+	/* only trigger BPF program for current process */
+	skel->bss->pid = getpid();
+
+	if (kern_ringbuf_out) {
+		rb_fd = bpf_map__fd(skel->maps.kernel_ringbuf);
+		kern_ringbuf = ring_buffer__new(rb_fd, callback, skel, NULL);
+		if (!ASSERT_OK_PTR(kern_ringbuf, "kern_ringbuf_create"))
+			goto cleanup;
+
+		*kern_ringbuf_out = kern_ringbuf;
+	}
+
+	if (user_ringbuf_out) {
+		rb_fd = bpf_map__fd(skel->maps.user_ringbuf);
+		user_ringbuf = user_ring_buffer__new(rb_fd, NULL);
+		if (!ASSERT_OK_PTR(user_ringbuf, "user_ringbuf_create"))
+			goto cleanup;
+
+		*user_ringbuf_out = user_ringbuf;
+		ASSERT_EQ(skel->bss->read, 0, "no_reads_after_load");
+	}
+
+	err = user_ringbuf_success__attach(skel);
+	if (!ASSERT_OK(err, "skel_attach"))
+		goto cleanup;
+
+	*skel_out = skel;
+	return 0;
+
+cleanup:
+	if (kern_ringbuf_out)
+		*kern_ringbuf_out = NULL;
+	if (user_ringbuf_out)
+		*user_ringbuf_out = NULL;
+	ring_buffer__free(kern_ringbuf);
+	user_ring_buffer__free(user_ringbuf);
+	user_ringbuf_success__destroy(skel);
+	return err;
+}
+
+static int load_skel_create_user_ringbuf(struct user_ringbuf_success **skel_out,
+					 struct user_ring_buffer **ringbuf_out)
+{
+	return load_skel_create_ringbufs(skel_out, NULL, NULL, ringbuf_out);
+}
+
+static void manually_write_test_invalid_sample(struct user_ringbuf_success *skel,
+					       __u32 size, __u64 producer_pos, int err)
+{
+	void *data_ptr;
+	__u64 *producer_pos_ptr;
+	int rb_fd, page_size = getpagesize();
+
+	rb_fd = bpf_map__fd(skel->maps.user_ringbuf);
+
+	ASSERT_EQ(skel->bss->read, 0, "num_samples_before_bad_sample");
+
+	/* Map the producer_pos as RW. */
+	producer_pos_ptr = mmap(NULL, page_size, PROT_READ | PROT_WRITE,
+				MAP_SHARED, rb_fd, page_size);
+	ASSERT_OK_PTR(producer_pos_ptr, "producer_pos_ptr");
+
+	/* Map the data pages as RW. */
+	data_ptr = mmap(NULL, page_size, PROT_WRITE, MAP_SHARED, rb_fd, 2 * page_size);
+	ASSERT_OK_PTR(data_ptr, "rw_data");
+
+	memset(data_ptr, 0, BPF_RINGBUF_HDR_SZ);
+	*(__u32 *)data_ptr = size;
+
+	/* Synchronizes with smp_load_acquire() in __bpf_user_ringbuf_peek() in the kernel. */
+	smp_store_release(producer_pos_ptr, producer_pos + BPF_RINGBUF_HDR_SZ);
+
+	drain_current_samples();
+	ASSERT_EQ(skel->bss->read, 0, "num_samples_after_bad_sample");
+	ASSERT_EQ(skel->bss->err, err, "err_after_bad_sample");
+
+	ASSERT_OK(munmap(producer_pos_ptr, page_size), "unmap_producer_pos");
+	ASSERT_OK(munmap(data_ptr, page_size), "unmap_data_ptr");
+}
+
+static void test_user_ringbuf_post_misaligned(void)
+{
+	struct user_ringbuf_success *skel;
+	struct user_ring_buffer *ringbuf;
+	int err;
+	__u32 size = (1 << 5) + 7;
+
+	err = load_skel_create_user_ringbuf(&skel, &ringbuf);
+	if (!ASSERT_OK(err, "misaligned_skel"))
+		return;
+
+	manually_write_test_invalid_sample(skel, size, size, -EINVAL);
+	user_ring_buffer__free(ringbuf);
+	user_ringbuf_success__destroy(skel);
+}
+
+static void test_user_ringbuf_post_producer_wrong_offset(void)
+{
+	struct user_ringbuf_success *skel;
+	struct user_ring_buffer *ringbuf;
+	int err;
+	__u32 size = (1 << 5);
+
+	err = load_skel_create_user_ringbuf(&skel, &ringbuf);
+	if (!ASSERT_OK(err, "wrong_offset_skel"))
+		return;
+
+	manually_write_test_invalid_sample(skel, size, size - 8, -EINVAL);
+	user_ring_buffer__free(ringbuf);
+	user_ringbuf_success__destroy(skel);
+}
+
+static void test_user_ringbuf_post_larger_than_ringbuf_sz(void)
+{
+	struct user_ringbuf_success *skel;
+	struct user_ring_buffer *ringbuf;
+	int err;
+	__u32 size = c_ringbuf_size;
+
+	err = load_skel_create_user_ringbuf(&skel, &ringbuf);
+	if (!ASSERT_OK(err, "huge_sample_skel"))
+		return;
+
+	manually_write_test_invalid_sample(skel, size, size, -E2BIG);
+	user_ring_buffer__free(ringbuf);
+	user_ringbuf_success__destroy(skel);
+}
+
+static void test_user_ringbuf_basic(void)
+{
+	struct user_ringbuf_success *skel;
+	struct user_ring_buffer *ringbuf;
+	int err;
+
+	err = load_skel_create_user_ringbuf(&skel, &ringbuf);
+	if (!ASSERT_OK(err, "ringbuf_basic_skel"))
+		return;
+
+	ASSERT_EQ(skel->bss->read, 0, "num_samples_read_before");
+
+	err = write_samples(ringbuf, 2);
+	if (!ASSERT_OK(err, "write_samples"))
+		goto cleanup;
+
+	ASSERT_EQ(skel->bss->read, 2, "num_samples_read_after");
+
+cleanup:
+	user_ring_buffer__free(ringbuf);
+	user_ringbuf_success__destroy(skel);
+}
+
+static void test_user_ringbuf_sample_full_ring_buffer(void)
+{
+	struct user_ringbuf_success *skel;
+	struct user_ring_buffer *ringbuf;
+	int err;
+	void *sample;
+
+	err = load_skel_create_user_ringbuf(&skel, &ringbuf);
+	if (!ASSERT_OK(err, "ringbuf_full_sample_skel"))
+		return;
+
+	sample = user_ring_buffer__reserve(ringbuf, c_ringbuf_size - BPF_RINGBUF_HDR_SZ);
+	if (!ASSERT_OK_PTR(sample, "full_sample"))
+		goto cleanup;
+
+	user_ring_buffer__submit(ringbuf, sample);
+	ASSERT_EQ(skel->bss->read, 0, "num_samples_read_before");
+	drain_current_samples();
+	ASSERT_EQ(skel->bss->read, 1, "num_samples_read_after");
+
+cleanup:
+	user_ring_buffer__free(ringbuf);
+	user_ringbuf_success__destroy(skel);
+}
+
+static void test_user_ringbuf_post_alignment_autoadjust(void)
+{
+	struct user_ringbuf_success *skel;
+	struct user_ring_buffer *ringbuf;
+	struct sample *sample;
+	int err;
+
+	err = load_skel_create_user_ringbuf(&skel, &ringbuf);
+	if (!ASSERT_OK(err, "ringbuf_align_autoadjust_skel"))
+		return;
+
+	/* libbpf should automatically round any sample up to an 8-byte alignment. */
+	sample = user_ring_buffer__reserve(ringbuf, sizeof(*sample) + 1);
+	ASSERT_OK_PTR(sample, "reserve_autoaligned");
+	user_ring_buffer__submit(ringbuf, sample);
+
+	ASSERT_EQ(skel->bss->read, 0, "num_samples_read_before");
+	drain_current_samples();
+	ASSERT_EQ(skel->bss->read, 1, "num_samples_read_after");
+
+	user_ring_buffer__free(ringbuf);
+	user_ringbuf_success__destroy(skel);
+}
+
+static void test_user_ringbuf_overfill(void)
+{
+	struct user_ringbuf_success *skel;
+	struct user_ring_buffer *ringbuf;
+	int err;
+
+	err = load_skel_create_user_ringbuf(&skel, &ringbuf);
+	if (err)
+		return;
+
+	err = write_samples(ringbuf, c_max_entries * 5);
+	ASSERT_ERR(err, "write_samples");
+	ASSERT_EQ(skel->bss->read, c_max_entries, "max_entries");
+
+	user_ring_buffer__free(ringbuf);
+	user_ringbuf_success__destroy(skel);
+}
+
+static void test_user_ringbuf_discards_properly_ignored(void)
+{
+	struct user_ringbuf_success *skel;
+	struct user_ring_buffer *ringbuf;
+	int err, num_discarded = 0;
+	__u64 *token;
+
+	err = load_skel_create_user_ringbuf(&skel, &ringbuf);
+	if (err)
+		return;
+
+	ASSERT_EQ(skel->bss->read, 0, "num_samples_read_before");
+
+	while (1) {
+		/* Write samples until the buffer is full. */
+		token = user_ring_buffer__reserve(ringbuf, sizeof(*token));
+		if (!token)
+			break;
+
+		user_ring_buffer__discard(ringbuf, token);
+		num_discarded++;
+	}
+
+	if (!ASSERT_GE(num_discarded, 0, "num_discarded"))
+		goto cleanup;
+
+	/* Should not read any samples, as they are all discarded. */
+	ASSERT_EQ(skel->bss->read, 0, "num_pre_kick");
+	drain_current_samples();
+	ASSERT_EQ(skel->bss->read, 0, "num_post_kick");
+
+	/* Now that the ring buffer has been drained, we should be able to
+	 * reserve another token.
+	 */
+	token = user_ring_buffer__reserve(ringbuf, sizeof(*token));
+
+	if (!ASSERT_OK_PTR(token, "new_token"))
+		goto cleanup;
+
+	user_ring_buffer__discard(ringbuf, token);
+cleanup:
+	user_ring_buffer__free(ringbuf);
+	user_ringbuf_success__destroy(skel);
+}
+
+static void test_user_ringbuf_loop(void)
+{
+	struct user_ringbuf_success *skel;
+	struct user_ring_buffer *ringbuf;
+	uint32_t total_samples = 8192;
+	uint32_t remaining_samples = total_samples;
+	int err;
+
+	BUILD_BUG_ON(total_samples <= c_max_entries);
+	err = load_skel_create_user_ringbuf(&skel, &ringbuf);
+	if (err)
+		return;
+
+	do  {
+		uint32_t curr_samples;
+
+		curr_samples = remaining_samples > c_max_entries
+			? c_max_entries : remaining_samples;
+		err = write_samples(ringbuf, curr_samples);
+		if (err != 0) {
+			/* Assert inside of if statement to avoid flooding logs
+			 * on the success path.
+			 */
+			ASSERT_OK(err, "write_samples");
+			goto cleanup;
+		}
+
+		remaining_samples -= curr_samples;
+		ASSERT_EQ(skel->bss->read, total_samples - remaining_samples,
+			  "current_batched_entries");
+	} while (remaining_samples > 0);
+	ASSERT_EQ(skel->bss->read, total_samples, "total_batched_entries");
+
+cleanup:
+	user_ring_buffer__free(ringbuf);
+	user_ringbuf_success__destroy(skel);
+}
+
+static int send_test_message(struct user_ring_buffer *ringbuf,
+			     enum test_msg_op op, s64 operand_64,
+			     s32 operand_32)
+{
+	struct test_msg *msg;
+
+	msg = user_ring_buffer__reserve(ringbuf, sizeof(*msg));
+	if (!msg) {
+		/* Assert on the error path to avoid spamming logs with mostly
+		 * success messages.
+		 */
+		ASSERT_OK_PTR(msg, "reserve_msg");
+		return -ENOMEM;
+	}
+
+	msg->msg_op = op;
+
+	switch (op) {
+	case TEST_MSG_OP_INC64:
+	case TEST_MSG_OP_MUL64:
+		msg->operand_64 = operand_64;
+		break;
+	case TEST_MSG_OP_INC32:
+	case TEST_MSG_OP_MUL32:
+		msg->operand_32 = operand_32;
+		break;
+	default:
+		PRINT_FAIL("Invalid operand %d\n", op);
+		user_ring_buffer__discard(ringbuf, msg);
+		return -EINVAL;
+	}
+
+	user_ring_buffer__submit(ringbuf, msg);
+
+	return 0;
+}
+
+static void kick_kernel_read_messages(void)
+{
+	syscall(__NR_prctl);
+}
+
+static int handle_kernel_msg(void *ctx, void *data, size_t len)
+{
+	struct user_ringbuf_success *skel = ctx;
+	struct test_msg *msg = data;
+
+	switch (msg->msg_op) {
+	case TEST_MSG_OP_INC64:
+		skel->bss->user_mutated += msg->operand_64;
+		return 0;
+	case TEST_MSG_OP_INC32:
+		skel->bss->user_mutated += msg->operand_32;
+		return 0;
+	case TEST_MSG_OP_MUL64:
+		skel->bss->user_mutated *= msg->operand_64;
+		return 0;
+	case TEST_MSG_OP_MUL32:
+		skel->bss->user_mutated *= msg->operand_32;
+		return 0;
+	default:
+		fprintf(stderr, "Invalid operand %d\n", msg->msg_op);
+		return -EINVAL;
+	}
+}
+
+static void drain_kernel_messages_buffer(struct ring_buffer *kern_ringbuf,
+					 struct user_ringbuf_success *skel)
+{
+	int cnt;
+
+	cnt = ring_buffer__consume(kern_ringbuf);
+	ASSERT_EQ(cnt, 8, "consume_kern_ringbuf");
+	ASSERT_OK(skel->bss->err, "consume_kern_ringbuf_err");
+}
+
+static void test_user_ringbuf_msg_protocol(void)
+{
+	struct user_ringbuf_success *skel;
+	struct user_ring_buffer *user_ringbuf;
+	struct ring_buffer *kern_ringbuf;
+	int err, i;
+	__u64 expected_kern = 0;
+
+	err = load_skel_create_ringbufs(&skel, &kern_ringbuf, handle_kernel_msg, &user_ringbuf);
+	if (!ASSERT_OK(err, "create_ringbufs"))
+		return;
+
+	for (i = 0; i < 64; i++) {
+		enum test_msg_op op = i % TEST_MSG_OP_NUM_OPS;
+		__u64 operand_64 = TEST_OP_64;
+		__u32 operand_32 = TEST_OP_32;
+
+		err = send_test_message(user_ringbuf, op, operand_64, operand_32);
+		if (err) {
+			/* Only assert on a failure to avoid spamming success logs. */
+			ASSERT_OK(err, "send_test_message");
+			goto cleanup;
+		}
+
+		switch (op) {
+		case TEST_MSG_OP_INC64:
+			expected_kern += operand_64;
+			break;
+		case TEST_MSG_OP_INC32:
+			expected_kern += operand_32;
+			break;
+		case TEST_MSG_OP_MUL64:
+			expected_kern *= operand_64;
+			break;
+		case TEST_MSG_OP_MUL32:
+			expected_kern *= operand_32;
+			break;
+		default:
+			PRINT_FAIL("Unexpected op %d\n", op);
+			goto cleanup;
+		}
+
+		if (i % 8 == 0) {
+			kick_kernel_read_messages();
+			ASSERT_EQ(skel->bss->kern_mutated, expected_kern, "expected_kern");
+			ASSERT_EQ(skel->bss->err, 0, "bpf_prog_err");
+			drain_kernel_messages_buffer(kern_ringbuf, skel);
+		}
+	}
+
+cleanup:
+	ring_buffer__free(kern_ringbuf);
+	user_ring_buffer__free(user_ringbuf);
+	user_ringbuf_success__destroy(skel);
+}
+
+static void *kick_kernel_cb(void *arg)
+{
+	/* Kick the kernel, causing it to drain the ring buffer and then wake
+	 * up the test thread waiting on epoll.
+	 */
+	syscall(__NR_getrlimit);
+
+	return NULL;
+}
+
+static int spawn_kick_thread_for_poll(void)
+{
+	pthread_t thread;
+
+	return pthread_create(&thread, NULL, kick_kernel_cb, NULL);
+}
+
+static void test_user_ringbuf_blocking_reserve(void)
+{
+	struct user_ringbuf_success *skel;
+	struct user_ring_buffer *ringbuf;
+	int err, num_written = 0;
+	__u64 *token;
+
+	err = load_skel_create_user_ringbuf(&skel, &ringbuf);
+	if (err)
+		return;
+
+	ASSERT_EQ(skel->bss->read, 0, "num_samples_read_before");
+
+	while (1) {
+		/* Write samples until the buffer is full. */
+		token = user_ring_buffer__reserve(ringbuf, sizeof(*token));
+		if (!token)
+			break;
+
+		*token = 0xdeadbeef;
+
+		user_ring_buffer__submit(ringbuf, token);
+		num_written++;
+	}
+
+	if (!ASSERT_GE(num_written, 0, "num_written"))
+		goto cleanup;
+
+	/* Should not have read any samples until the kernel is kicked. */
+	ASSERT_EQ(skel->bss->read, 0, "num_pre_kick");
+
+	/* We correctly time out after 1 second, without a sample. */
+	token = user_ring_buffer__reserve_blocking(ringbuf, sizeof(*token), 1000);
+	if (!ASSERT_EQ(token, NULL, "pre_kick_timeout_token"))
+		goto cleanup;
+
+	err = spawn_kick_thread_for_poll();
+	if (!ASSERT_EQ(err, 0, "deferred_kick_thread\n"))
+		goto cleanup;
+
+	/* After spawning another thread that asychronously kicks the kernel to
+	 * drain the messages, we're able to block and successfully get a
+	 * sample once we receive an event notification.
+	 */
+	token = user_ring_buffer__reserve_blocking(ringbuf, sizeof(*token), 10000);
+
+	if (!ASSERT_OK_PTR(token, "block_token"))
+		goto cleanup;
+
+	ASSERT_GT(skel->bss->read, 0, "num_post_kill");
+	ASSERT_LE(skel->bss->read, num_written, "num_post_kill");
+	ASSERT_EQ(skel->bss->err, 0, "err_post_poll");
+	user_ring_buffer__discard(ringbuf, token);
+
+cleanup:
+	user_ring_buffer__free(ringbuf);
+	user_ringbuf_success__destroy(skel);
+}
+
+static struct {
+	const char *prog_name;
+	const char *expected_err_msg;
+} failure_tests[] = {
+	/* failure cases */
+	{"user_ringbuf_callback_bad_access1", "negative offset dynptr_ptr ptr"},
+	{"user_ringbuf_callback_bad_access2", "dereference of modified dynptr_ptr ptr"},
+	{"user_ringbuf_callback_write_forbidden", "invalid mem access 'dynptr_ptr'"},
+	{"user_ringbuf_callback_null_context_write", "invalid mem access 'scalar'"},
+	{"user_ringbuf_callback_null_context_read", "invalid mem access 'scalar'"},
+	{"user_ringbuf_callback_discard_dynptr", "arg 1 is an unacquired reference"},
+	{"user_ringbuf_callback_submit_dynptr", "arg 1 is an unacquired reference"},
+	{"user_ringbuf_callback_invalid_return", "At callback return the register R0 has value"},
+};
+
+#define SUCCESS_TEST(_func) { _func, #_func }
+
+static struct {
+	void (*test_callback)(void);
+	const char *test_name;
+} success_tests[] = {
+	SUCCESS_TEST(test_user_ringbuf_mappings),
+	SUCCESS_TEST(test_user_ringbuf_post_misaligned),
+	SUCCESS_TEST(test_user_ringbuf_post_producer_wrong_offset),
+	SUCCESS_TEST(test_user_ringbuf_post_larger_than_ringbuf_sz),
+	SUCCESS_TEST(test_user_ringbuf_basic),
+	SUCCESS_TEST(test_user_ringbuf_sample_full_ring_buffer),
+	SUCCESS_TEST(test_user_ringbuf_post_alignment_autoadjust),
+	SUCCESS_TEST(test_user_ringbuf_overfill),
+	SUCCESS_TEST(test_user_ringbuf_discards_properly_ignored),
+	SUCCESS_TEST(test_user_ringbuf_loop),
+	SUCCESS_TEST(test_user_ringbuf_msg_protocol),
+	SUCCESS_TEST(test_user_ringbuf_blocking_reserve),
+};
+
+static void verify_fail(const char *prog_name, const char *expected_err_msg)
+{
+	LIBBPF_OPTS(bpf_object_open_opts, opts);
+	struct bpf_program *prog;
+	struct user_ringbuf_fail *skel;
+	int err;
+
+	opts.kernel_log_buf = obj_log_buf;
+	opts.kernel_log_size = log_buf_sz;
+	opts.kernel_log_level = 1;
+
+	skel = user_ringbuf_fail__open_opts(&opts);
+	if (!ASSERT_OK_PTR(skel, "dynptr_fail__open_opts"))
+		goto cleanup;
+
+	prog = bpf_object__find_program_by_name(skel->obj, prog_name);
+	if (!ASSERT_OK_PTR(prog, "bpf_object__find_program_by_name"))
+		goto cleanup;
+
+	bpf_program__set_autoload(prog, true);
+
+	bpf_map__set_max_entries(skel->maps.user_ringbuf, getpagesize());
+
+	err = user_ringbuf_fail__load(skel);
+	if (!ASSERT_ERR(err, "unexpected load success"))
+		goto cleanup;
+
+	if (!ASSERT_OK_PTR(strstr(obj_log_buf, expected_err_msg), "expected_err_msg")) {
+		fprintf(stderr, "Expected err_msg: %s\n", expected_err_msg);
+		fprintf(stderr, "Verifier output: %s\n", obj_log_buf);
+	}
+
+cleanup:
+	user_ringbuf_fail__destroy(skel);
+}
+
+void test_user_ringbuf(void)
+{
+	int i;
+
+	for (i = 0; i < ARRAY_SIZE(success_tests); i++) {
+		if (!test__start_subtest(success_tests[i].test_name))
+			continue;
+
+		success_tests[i].test_callback();
+	}
+
+	for (i = 0; i < ARRAY_SIZE(failure_tests); i++) {
+		if (!test__start_subtest(failure_tests[i].prog_name))
+			continue;
+
+		verify_fail(failure_tests[i].prog_name, failure_tests[i].expected_err_msg);
+	}
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/varlen.c b/tools/testing/selftests/bpf/prog_tests/varlen.c
new file mode 100644
index 000000000..4d7056f8f
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/varlen.c
@@ -0,0 +1,75 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2020 Facebook */
+
+#include <test_progs.h>
+#include <time.h>
+#include "test_varlen.skel.h"
+
+#define CHECK_VAL(got, exp) \
+	CHECK((got) != (exp), "check", "got %ld != exp %ld\n", \
+	      (long)(got), (long)(exp))
+
+void test_varlen(void)
+{
+	int duration = 0, err;
+	struct test_varlen* skel;
+	struct test_varlen__bss *bss;
+	struct test_varlen__data *data;
+	const char str1[] = "Hello, ";
+	const char str2[] = "World!";
+	const char exp_str[] = "Hello, \0World!\0";
+	const int size1 = sizeof(str1);
+	const int size2 = sizeof(str2);
+
+	skel = test_varlen__open_and_load();
+	if (CHECK(!skel, "skel_open", "failed to open skeleton\n"))
+		return;
+	bss = skel->bss;
+	data = skel->data;
+
+	err = test_varlen__attach(skel);
+	if (CHECK(err, "skel_attach", "skeleton attach failed: %d\n", err))
+		goto cleanup;
+
+	bss->test_pid = getpid();
+
+	/* trigger everything */
+	memcpy(bss->buf_in1, str1, size1);
+	memcpy(bss->buf_in2, str2, size2);
+	bss->capture = true;
+	usleep(1);
+	bss->capture = false;
+
+	CHECK_VAL(bss->payload1_len1, size1);
+	CHECK_VAL(bss->payload1_len2, size2);
+	CHECK_VAL(bss->total1, size1 + size2);
+	CHECK(memcmp(bss->payload1, exp_str, size1 + size2), "content_check",
+	      "doesn't match!\n");
+
+	CHECK_VAL(data->payload2_len1, size1);
+	CHECK_VAL(data->payload2_len2, size2);
+	CHECK_VAL(data->total2, size1 + size2);
+	CHECK(memcmp(data->payload2, exp_str, size1 + size2), "content_check",
+	      "doesn't match!\n");
+
+	CHECK_VAL(data->payload3_len1, size1);
+	CHECK_VAL(data->payload3_len2, size2);
+	CHECK_VAL(data->total3, size1 + size2);
+	CHECK(memcmp(data->payload3, exp_str, size1 + size2), "content_check",
+	      "doesn't match!\n");
+
+	CHECK_VAL(data->payload4_len1, size1);
+	CHECK_VAL(data->payload4_len2, size2);
+	CHECK_VAL(data->total4, size1 + size2);
+	CHECK(memcmp(data->payload4, exp_str, size1 + size2), "content_check",
+	      "doesn't match!\n");
+
+	CHECK_VAL(bss->ret_bad_read, -EFAULT);
+	CHECK_VAL(data->payload_bad[0], 0x42);
+	CHECK_VAL(data->payload_bad[1], 0x42);
+	CHECK_VAL(data->payload_bad[2], 0);
+	CHECK_VAL(data->payload_bad[3], 0x42);
+	CHECK_VAL(data->payload_bad[4], 0x42);
+cleanup:
+	test_varlen__destroy(skel);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/verif_stats.c b/tools/testing/selftests/bpf/prog_tests/verif_stats.c
new file mode 100644
index 000000000..a47e7c0e1
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/verif_stats.c
@@ -0,0 +1,28 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2021 Facebook */
+
+#include <test_progs.h>
+
+#include "trace_vprintk.lskel.h"
+
+void test_verif_stats(void)
+{
+	__u32 len = sizeof(struct bpf_prog_info);
+	struct trace_vprintk_lskel *skel;
+	struct bpf_prog_info info = {};
+	int err;
+
+	skel = trace_vprintk_lskel__open_and_load();
+	if (!ASSERT_OK_PTR(skel, "trace_vprintk__open_and_load"))
+		goto cleanup;
+
+	err = bpf_obj_get_info_by_fd(skel->progs.sys_enter.prog_fd, &info, &len);
+	if (!ASSERT_OK(err, "bpf_obj_get_info_by_fd"))
+		goto cleanup;
+
+	if (!ASSERT_GT(info.verified_insns, 0, "verified_insns"))
+		goto cleanup;
+
+cleanup:
+	trace_vprintk_lskel__destroy(skel);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/verify_pkcs7_sig.c b/tools/testing/selftests/bpf/prog_tests/verify_pkcs7_sig.c
new file mode 100644
index 000000000..579d6ee83
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/verify_pkcs7_sig.c
@@ -0,0 +1,399 @@
+// SPDX-License-Identifier: GPL-2.0
+
+/*
+ * Copyright (C) 2022 Huawei Technologies Duesseldorf GmbH
+ *
+ * Author: Roberto Sassu <roberto.sassu@huawei.com>
+ */
+
+#include <stdio.h>
+#include <errno.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <endian.h>
+#include <limits.h>
+#include <sys/stat.h>
+#include <sys/wait.h>
+#include <sys/mman.h>
+#include <linux/keyctl.h>
+#include <test_progs.h>
+
+#include "test_verify_pkcs7_sig.skel.h"
+
+#define MAX_DATA_SIZE (1024 * 1024)
+#define MAX_SIG_SIZE 1024
+
+#define VERIFY_USE_SECONDARY_KEYRING (1UL)
+#define VERIFY_USE_PLATFORM_KEYRING  (2UL)
+
+/* In stripped ARM and x86-64 modules, ~ is surprisingly rare. */
+#define MODULE_SIG_STRING "~Module signature appended~\n"
+
+/*
+ * Module signature information block.
+ *
+ * The constituents of the signature section are, in order:
+ *
+ *	- Signer's name
+ *	- Key identifier
+ *	- Signature data
+ *	- Information block
+ */
+struct module_signature {
+	__u8	algo;		/* Public-key crypto algorithm [0] */
+	__u8	hash;		/* Digest algorithm [0] */
+	__u8	id_type;	/* Key identifier type [PKEY_ID_PKCS7] */
+	__u8	signer_len;	/* Length of signer's name [0] */
+	__u8	key_id_len;	/* Length of key identifier [0] */
+	__u8	__pad[3];
+	__be32	sig_len;	/* Length of signature data */
+};
+
+struct data {
+	__u8 data[MAX_DATA_SIZE];
+	__u32 data_len;
+	__u8 sig[MAX_SIG_SIZE];
+	__u32 sig_len;
+};
+
+static bool kfunc_not_supported;
+
+static int libbpf_print_cb(enum libbpf_print_level level, const char *fmt,
+			   va_list args)
+{
+	if (strcmp(fmt, "libbpf: extern (func ksym) '%s': not found in kernel or module BTFs\n"))
+		return 0;
+
+	if (strcmp(va_arg(args, char *), "bpf_verify_pkcs7_signature"))
+		return 0;
+
+	kfunc_not_supported = true;
+	return 0;
+}
+
+static int _run_setup_process(const char *setup_dir, const char *cmd)
+{
+	int child_pid, child_status;
+
+	child_pid = fork();
+	if (child_pid == 0) {
+		execlp("./verify_sig_setup.sh", "./verify_sig_setup.sh", cmd,
+		       setup_dir, NULL);
+		exit(errno);
+
+	} else if (child_pid > 0) {
+		waitpid(child_pid, &child_status, 0);
+		return WEXITSTATUS(child_status);
+	}
+
+	return -EINVAL;
+}
+
+static int populate_data_item_str(const char *tmp_dir, struct data *data_item)
+{
+	struct stat st;
+	char data_template[] = "/tmp/dataXXXXXX";
+	char path[PATH_MAX];
+	int ret, fd, child_status, child_pid;
+
+	data_item->data_len = 4;
+	memcpy(data_item->data, "test", data_item->data_len);
+
+	fd = mkstemp(data_template);
+	if (fd == -1)
+		return -errno;
+
+	ret = write(fd, data_item->data, data_item->data_len);
+
+	close(fd);
+
+	if (ret != data_item->data_len) {
+		ret = -EIO;
+		goto out;
+	}
+
+	child_pid = fork();
+
+	if (child_pid == -1) {
+		ret = -errno;
+		goto out;
+	}
+
+	if (child_pid == 0) {
+		snprintf(path, sizeof(path), "%s/signing_key.pem", tmp_dir);
+
+		return execlp("./sign-file", "./sign-file", "-d", "sha256",
+			      path, path, data_template, NULL);
+	}
+
+	waitpid(child_pid, &child_status, 0);
+
+	ret = WEXITSTATUS(child_status);
+	if (ret)
+		goto out;
+
+	snprintf(path, sizeof(path), "%s.p7s", data_template);
+
+	ret = stat(path, &st);
+	if (ret == -1) {
+		ret = -errno;
+		goto out;
+	}
+
+	if (st.st_size > sizeof(data_item->sig)) {
+		ret = -EINVAL;
+		goto out_sig;
+	}
+
+	data_item->sig_len = st.st_size;
+
+	fd = open(path, O_RDONLY);
+	if (fd == -1) {
+		ret = -errno;
+		goto out_sig;
+	}
+
+	ret = read(fd, data_item->sig, data_item->sig_len);
+
+	close(fd);
+
+	if (ret != data_item->sig_len) {
+		ret = -EIO;
+		goto out_sig;
+	}
+
+	ret = 0;
+out_sig:
+	unlink(path);
+out:
+	unlink(data_template);
+	return ret;
+}
+
+static int populate_data_item_mod(struct data *data_item)
+{
+	char mod_path[PATH_MAX], *mod_path_ptr;
+	struct stat st;
+	void *mod;
+	FILE *fp;
+	struct module_signature ms;
+	int ret, fd, modlen, marker_len, sig_len;
+
+	data_item->data_len = 0;
+
+	if (stat("/lib/modules", &st) == -1)
+		return 0;
+
+	/* Requires CONFIG_TCP_CONG_BIC=m. */
+	fp = popen("find /lib/modules/$(uname -r) -name tcp_bic.ko", "r");
+	if (!fp)
+		return 0;
+
+	mod_path_ptr = fgets(mod_path, sizeof(mod_path), fp);
+	pclose(fp);
+
+	if (!mod_path_ptr)
+		return 0;
+
+	mod_path_ptr = strchr(mod_path, '\n');
+	if (!mod_path_ptr)
+		return 0;
+
+	*mod_path_ptr = '\0';
+
+	if (stat(mod_path, &st) == -1)
+		return 0;
+
+	modlen = st.st_size;
+	marker_len = sizeof(MODULE_SIG_STRING) - 1;
+
+	fd = open(mod_path, O_RDONLY);
+	if (fd == -1)
+		return -errno;
+
+	mod = mmap(NULL, st.st_size, PROT_READ, MAP_PRIVATE, fd, 0);
+
+	close(fd);
+
+	if (mod == MAP_FAILED)
+		return -errno;
+
+	if (strncmp(mod + modlen - marker_len, MODULE_SIG_STRING, marker_len)) {
+		ret = -EINVAL;
+		goto out;
+	}
+
+	modlen -= marker_len;
+
+	memcpy(&ms, mod + (modlen - sizeof(ms)), sizeof(ms));
+
+	sig_len = __be32_to_cpu(ms.sig_len);
+	modlen -= sig_len + sizeof(ms);
+
+	if (modlen > sizeof(data_item->data)) {
+		ret = -E2BIG;
+		goto out;
+	}
+
+	memcpy(data_item->data, mod, modlen);
+	data_item->data_len = modlen;
+
+	if (sig_len > sizeof(data_item->sig)) {
+		ret = -E2BIG;
+		goto out;
+	}
+
+	memcpy(data_item->sig, mod + modlen, sig_len);
+	data_item->sig_len = sig_len;
+	ret = 0;
+out:
+	munmap(mod, st.st_size);
+	return ret;
+}
+
+void test_verify_pkcs7_sig(void)
+{
+	libbpf_print_fn_t old_print_cb;
+	char tmp_dir_template[] = "/tmp/verify_sigXXXXXX";
+	char *tmp_dir;
+	struct test_verify_pkcs7_sig *skel = NULL;
+	struct bpf_map *map;
+	struct data data;
+	int ret, zero = 0;
+
+	/* Trigger creation of session keyring. */
+	syscall(__NR_request_key, "keyring", "_uid.0", NULL,
+		KEY_SPEC_SESSION_KEYRING);
+
+	tmp_dir = mkdtemp(tmp_dir_template);
+	if (!ASSERT_OK_PTR(tmp_dir, "mkdtemp"))
+		return;
+
+	ret = _run_setup_process(tmp_dir, "setup");
+	if (!ASSERT_OK(ret, "_run_setup_process"))
+		goto close_prog;
+
+	skel = test_verify_pkcs7_sig__open();
+	if (!ASSERT_OK_PTR(skel, "test_verify_pkcs7_sig__open"))
+		goto close_prog;
+
+	old_print_cb = libbpf_set_print(libbpf_print_cb);
+	ret = test_verify_pkcs7_sig__load(skel);
+	libbpf_set_print(old_print_cb);
+
+	if (ret < 0 && kfunc_not_supported) {
+		printf(
+		  "%s:SKIP:bpf_verify_pkcs7_signature() kfunc not supported\n",
+		  __func__);
+		test__skip();
+		goto close_prog;
+	}
+
+	if (!ASSERT_OK(ret, "test_verify_pkcs7_sig__load"))
+		goto close_prog;
+
+	ret = test_verify_pkcs7_sig__attach(skel);
+	if (!ASSERT_OK(ret, "test_verify_pkcs7_sig__attach"))
+		goto close_prog;
+
+	map = bpf_object__find_map_by_name(skel->obj, "data_input");
+	if (!ASSERT_OK_PTR(map, "data_input not found"))
+		goto close_prog;
+
+	skel->bss->monitored_pid = getpid();
+
+	/* Test without data and signature. */
+	skel->bss->user_keyring_serial = KEY_SPEC_SESSION_KEYRING;
+
+	ret = bpf_map_update_elem(bpf_map__fd(map), &zero, &data, BPF_ANY);
+	if (!ASSERT_LT(ret, 0, "bpf_map_update_elem data_input"))
+		goto close_prog;
+
+	/* Test successful signature verification with session keyring. */
+	ret = populate_data_item_str(tmp_dir, &data);
+	if (!ASSERT_OK(ret, "populate_data_item_str"))
+		goto close_prog;
+
+	ret = bpf_map_update_elem(bpf_map__fd(map), &zero, &data, BPF_ANY);
+	if (!ASSERT_OK(ret, "bpf_map_update_elem data_input"))
+		goto close_prog;
+
+	/* Test successful signature verification with testing keyring. */
+	skel->bss->user_keyring_serial = syscall(__NR_request_key, "keyring",
+						 "ebpf_testing_keyring", NULL,
+						 KEY_SPEC_SESSION_KEYRING);
+
+	ret = bpf_map_update_elem(bpf_map__fd(map), &zero, &data, BPF_ANY);
+	if (!ASSERT_OK(ret, "bpf_map_update_elem data_input"))
+		goto close_prog;
+
+	/*
+	 * Ensure key_task_permission() is called and rejects the keyring
+	 * (no Search permission).
+	 */
+	syscall(__NR_keyctl, KEYCTL_SETPERM, skel->bss->user_keyring_serial,
+		0x37373737);
+
+	ret = bpf_map_update_elem(bpf_map__fd(map), &zero, &data, BPF_ANY);
+	if (!ASSERT_LT(ret, 0, "bpf_map_update_elem data_input"))
+		goto close_prog;
+
+	syscall(__NR_keyctl, KEYCTL_SETPERM, skel->bss->user_keyring_serial,
+		0x3f3f3f3f);
+
+	/*
+	 * Ensure key_validate() is called and rejects the keyring (key expired)
+	 */
+	syscall(__NR_keyctl, KEYCTL_SET_TIMEOUT,
+		skel->bss->user_keyring_serial, 1);
+	sleep(1);
+
+	ret = bpf_map_update_elem(bpf_map__fd(map), &zero, &data, BPF_ANY);
+	if (!ASSERT_LT(ret, 0, "bpf_map_update_elem data_input"))
+		goto close_prog;
+
+	skel->bss->user_keyring_serial = KEY_SPEC_SESSION_KEYRING;
+
+	/* Test with corrupted data (signature verification should fail). */
+	data.data[0] = 'a';
+	ret = bpf_map_update_elem(bpf_map__fd(map), &zero, &data, BPF_ANY);
+	if (!ASSERT_LT(ret, 0, "bpf_map_update_elem data_input"))
+		goto close_prog;
+
+	ret = populate_data_item_mod(&data);
+	if (!ASSERT_OK(ret, "populate_data_item_mod"))
+		goto close_prog;
+
+	/* Test signature verification with system keyrings. */
+	if (data.data_len) {
+		skel->bss->user_keyring_serial = 0;
+		skel->bss->system_keyring_id = 0;
+
+		ret = bpf_map_update_elem(bpf_map__fd(map), &zero, &data,
+					  BPF_ANY);
+		if (!ASSERT_OK(ret, "bpf_map_update_elem data_input"))
+			goto close_prog;
+
+		skel->bss->system_keyring_id = VERIFY_USE_SECONDARY_KEYRING;
+
+		ret = bpf_map_update_elem(bpf_map__fd(map), &zero, &data,
+					  BPF_ANY);
+		if (!ASSERT_OK(ret, "bpf_map_update_elem data_input"))
+			goto close_prog;
+
+		skel->bss->system_keyring_id = VERIFY_USE_PLATFORM_KEYRING;
+
+		ret = bpf_map_update_elem(bpf_map__fd(map), &zero, &data,
+					  BPF_ANY);
+		ASSERT_LT(ret, 0, "bpf_map_update_elem data_input");
+	}
+
+close_prog:
+	_run_setup_process(tmp_dir, "cleanup");
+
+	if (!skel)
+		return;
+
+	skel->bss->monitored_pid = 0;
+	test_verify_pkcs7_sig__destroy(skel);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/vmlinux.c b/tools/testing/selftests/bpf/prog_tests/vmlinux.c
new file mode 100644
index 000000000..72310cfc6
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/vmlinux.c
@@ -0,0 +1,43 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2020 Facebook */
+
+#include <test_progs.h>
+#include <time.h>
+#include "test_vmlinux.skel.h"
+
+#define MY_TV_NSEC 1337
+
+static void nsleep()
+{
+	struct timespec ts = { .tv_nsec = MY_TV_NSEC };
+
+	(void)syscall(__NR_nanosleep, &ts, NULL);
+}
+
+void test_vmlinux(void)
+{
+	int duration = 0, err;
+	struct test_vmlinux* skel;
+	struct test_vmlinux__bss *bss;
+
+	skel = test_vmlinux__open_and_load();
+	if (CHECK(!skel, "skel_open", "failed to open skeleton\n"))
+		return;
+	bss = skel->bss;
+
+	err = test_vmlinux__attach(skel);
+	if (CHECK(err, "skel_attach", "skeleton attach failed: %d\n", err))
+		goto cleanup;
+
+	/* trigger everything */
+	nsleep();
+
+	CHECK(!bss->tp_called, "tp", "not called\n");
+	CHECK(!bss->raw_tp_called, "raw_tp", "not called\n");
+	CHECK(!bss->tp_btf_called, "tp_btf", "not called\n");
+	CHECK(!bss->kprobe_called, "kprobe", "not called\n");
+	CHECK(!bss->fentry_called, "fentry", "not called\n");
+
+cleanup:
+	test_vmlinux__destroy(skel);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/xdp.c b/tools/testing/selftests/bpf/prog_tests/xdp.c
new file mode 100644
index 000000000..947863a1d
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/xdp.c
@@ -0,0 +1,54 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <test_progs.h>
+#include <network_helpers.h>
+
+void test_xdp(void)
+{
+	struct vip key4 = {.protocol = 6, .family = AF_INET};
+	struct vip key6 = {.protocol = 6, .family = AF_INET6};
+	struct iptnl_info value4 = {.family = AF_INET};
+	struct iptnl_info value6 = {.family = AF_INET6};
+	const char *file = "./test_xdp.bpf.o";
+	struct bpf_object *obj;
+	char buf[128];
+	struct ipv6hdr iph6;
+	struct iphdr iph;
+	int err, prog_fd, map_fd;
+	LIBBPF_OPTS(bpf_test_run_opts, topts,
+		.data_in = &pkt_v4,
+		.data_size_in = sizeof(pkt_v4),
+		.data_out = buf,
+		.data_size_out = sizeof(buf),
+		.repeat = 1,
+	);
+
+	err = bpf_prog_test_load(file, BPF_PROG_TYPE_XDP, &obj, &prog_fd);
+	if (CHECK_FAIL(err))
+		return;
+
+	map_fd = bpf_find_map(__func__, obj, "vip2tnl");
+	if (map_fd < 0)
+		goto out;
+	bpf_map_update_elem(map_fd, &key4, &value4, 0);
+	bpf_map_update_elem(map_fd, &key6, &value6, 0);
+
+	err = bpf_prog_test_run_opts(prog_fd, &topts);
+	memcpy(&iph, buf + sizeof(struct ethhdr), sizeof(iph));
+	ASSERT_OK(err, "test_run");
+	ASSERT_EQ(topts.retval, XDP_TX, "ipv4 test_run retval");
+	ASSERT_EQ(topts.data_size_out, 74, "ipv4 test_run data_size_out");
+	ASSERT_EQ(iph.protocol, IPPROTO_IPIP, "ipv4 test_run iph.protocol");
+
+	topts.data_in = &pkt_v6;
+	topts.data_size_in = sizeof(pkt_v6);
+	topts.data_size_out = sizeof(buf);
+
+	err = bpf_prog_test_run_opts(prog_fd, &topts);
+	memcpy(&iph6, buf + sizeof(struct ethhdr), sizeof(iph6));
+	ASSERT_OK(err, "test_run");
+	ASSERT_EQ(topts.retval, XDP_TX, "ipv6 test_run retval");
+	ASSERT_EQ(topts.data_size_out, 114, "ipv6 test_run data_size_out");
+	ASSERT_EQ(iph6.nexthdr, IPPROTO_IPV6, "ipv6 test_run iph6.nexthdr");
+out:
+	bpf_object__close(obj);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/xdp_adjust_frags.c b/tools/testing/selftests/bpf/prog_tests/xdp_adjust_frags.c
new file mode 100644
index 000000000..fce203640
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/xdp_adjust_frags.c
@@ -0,0 +1,146 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <test_progs.h>
+#include <network_helpers.h>
+
+static void test_xdp_update_frags(void)
+{
+	const char *file = "./test_xdp_update_frags.bpf.o";
+	int err, prog_fd, max_skb_frags, buf_size, num;
+	struct bpf_program *prog;
+	struct bpf_object *obj;
+	__u32 *offset;
+	__u8 *buf;
+	FILE *f;
+	LIBBPF_OPTS(bpf_test_run_opts, topts);
+
+	obj = bpf_object__open(file);
+	if (libbpf_get_error(obj))
+		return;
+
+	prog = bpf_object__next_program(obj, NULL);
+	if (bpf_object__load(obj))
+		return;
+
+	prog_fd = bpf_program__fd(prog);
+
+	buf = malloc(128);
+	if (!ASSERT_OK_PTR(buf, "alloc buf 128b"))
+		goto out;
+
+	memset(buf, 0, 128);
+	offset = (__u32 *)buf;
+	*offset = 16;
+	buf[*offset] = 0xaa;		/* marker at offset 16 (head) */
+	buf[*offset + 15] = 0xaa;	/* marker at offset 31 (head) */
+
+	topts.data_in = buf;
+	topts.data_out = buf;
+	topts.data_size_in = 128;
+	topts.data_size_out = 128;
+
+	err = bpf_prog_test_run_opts(prog_fd, &topts);
+
+	/* test_xdp_update_frags: buf[16,31]: 0xaa -> 0xbb */
+	ASSERT_OK(err, "xdp_update_frag");
+	ASSERT_EQ(topts.retval, XDP_PASS, "xdp_update_frag retval");
+	ASSERT_EQ(buf[16], 0xbb, "xdp_update_frag buf[16]");
+	ASSERT_EQ(buf[31], 0xbb, "xdp_update_frag buf[31]");
+
+	free(buf);
+
+	buf = malloc(9000);
+	if (!ASSERT_OK_PTR(buf, "alloc buf 9Kb"))
+		goto out;
+
+	memset(buf, 0, 9000);
+	offset = (__u32 *)buf;
+	*offset = 5000;
+	buf[*offset] = 0xaa;		/* marker at offset 5000 (frag0) */
+	buf[*offset + 15] = 0xaa;	/* marker at offset 5015 (frag0) */
+
+	topts.data_in = buf;
+	topts.data_out = buf;
+	topts.data_size_in = 9000;
+	topts.data_size_out = 9000;
+
+	err = bpf_prog_test_run_opts(prog_fd, &topts);
+
+	/* test_xdp_update_frags: buf[5000,5015]: 0xaa -> 0xbb */
+	ASSERT_OK(err, "xdp_update_frag");
+	ASSERT_EQ(topts.retval, XDP_PASS, "xdp_update_frag retval");
+	ASSERT_EQ(buf[5000], 0xbb, "xdp_update_frag buf[5000]");
+	ASSERT_EQ(buf[5015], 0xbb, "xdp_update_frag buf[5015]");
+
+	memset(buf, 0, 9000);
+	offset = (__u32 *)buf;
+	*offset = 3510;
+	buf[*offset] = 0xaa;		/* marker at offset 3510 (head) */
+	buf[*offset + 15] = 0xaa;	/* marker at offset 3525 (frag0) */
+
+	err = bpf_prog_test_run_opts(prog_fd, &topts);
+
+	/* test_xdp_update_frags: buf[3510,3525]: 0xaa -> 0xbb */
+	ASSERT_OK(err, "xdp_update_frag");
+	ASSERT_EQ(topts.retval, XDP_PASS, "xdp_update_frag retval");
+	ASSERT_EQ(buf[3510], 0xbb, "xdp_update_frag buf[3510]");
+	ASSERT_EQ(buf[3525], 0xbb, "xdp_update_frag buf[3525]");
+
+	memset(buf, 0, 9000);
+	offset = (__u32 *)buf;
+	*offset = 7606;
+	buf[*offset] = 0xaa;		/* marker at offset 7606 (frag0) */
+	buf[*offset + 15] = 0xaa;	/* marker at offset 7621 (frag1) */
+
+	err = bpf_prog_test_run_opts(prog_fd, &topts);
+
+	/* test_xdp_update_frags: buf[7606,7621]: 0xaa -> 0xbb */
+	ASSERT_OK(err, "xdp_update_frag");
+	ASSERT_EQ(topts.retval, XDP_PASS, "xdp_update_frag retval");
+	ASSERT_EQ(buf[7606], 0xbb, "xdp_update_frag buf[7606]");
+	ASSERT_EQ(buf[7621], 0xbb, "xdp_update_frag buf[7621]");
+
+	free(buf);
+
+	/* test_xdp_update_frags: unsupported buffer size */
+	f = fopen("/proc/sys/net/core/max_skb_frags", "r");
+	if (!ASSERT_OK_PTR(f, "max_skb_frag file pointer"))
+		goto out;
+
+	num = fscanf(f, "%d", &max_skb_frags);
+	fclose(f);
+
+	if (!ASSERT_EQ(num, 1, "max_skb_frags read failed"))
+		goto out;
+
+	/* xdp_buff linear area size is always set to 4096 in the
+	 * bpf_prog_test_run_xdp routine.
+	 */
+	buf_size = 4096 + (max_skb_frags + 1) * sysconf(_SC_PAGE_SIZE);
+	buf = malloc(buf_size);
+	if (!ASSERT_OK_PTR(buf, "alloc buf"))
+		goto out;
+
+	memset(buf, 0, buf_size);
+	offset = (__u32 *)buf;
+	*offset = 16;
+	buf[*offset] = 0xaa;
+	buf[*offset + 15] = 0xaa;
+
+	topts.data_in = buf;
+	topts.data_out = buf;
+	topts.data_size_in = buf_size;
+	topts.data_size_out = buf_size;
+
+	err = bpf_prog_test_run_opts(prog_fd, &topts);
+	ASSERT_EQ(err, -ENOMEM,
+		  "unsupported buf size, possible non-default /proc/sys/net/core/max_skb_flags?");
+	free(buf);
+out:
+	bpf_object__close(obj);
+}
+
+void test_xdp_adjust_frags(void)
+{
+	if (test__start_subtest("xdp_adjust_frags"))
+		test_xdp_update_frags();
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/xdp_adjust_tail.c b/tools/testing/selftests/bpf/prog_tests/xdp_adjust_tail.c
new file mode 100644
index 000000000..39973ea1c
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/xdp_adjust_tail.c
@@ -0,0 +1,281 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <test_progs.h>
+#include <network_helpers.h>
+
+static void test_xdp_adjust_tail_shrink(void)
+{
+	const char *file = "./test_xdp_adjust_tail_shrink.bpf.o";
+	__u32 expect_sz;
+	struct bpf_object *obj;
+	int err, prog_fd;
+	char buf[128];
+	LIBBPF_OPTS(bpf_test_run_opts, topts,
+		.data_in = &pkt_v4,
+		.data_size_in = sizeof(pkt_v4),
+		.data_out = buf,
+		.data_size_out = sizeof(buf),
+		.repeat = 1,
+	);
+
+	err = bpf_prog_test_load(file, BPF_PROG_TYPE_XDP, &obj, &prog_fd);
+	if (!ASSERT_OK(err, "test_xdp_adjust_tail_shrink"))
+		return;
+
+	err = bpf_prog_test_run_opts(prog_fd, &topts);
+	ASSERT_OK(err, "ipv4");
+	ASSERT_EQ(topts.retval, XDP_DROP, "ipv4 retval");
+
+	expect_sz = sizeof(pkt_v6) - 20;  /* Test shrink with 20 bytes */
+	topts.data_in = &pkt_v6;
+	topts.data_size_in = sizeof(pkt_v6);
+	topts.data_size_out = sizeof(buf);
+	err = bpf_prog_test_run_opts(prog_fd, &topts);
+	ASSERT_OK(err, "ipv6");
+	ASSERT_EQ(topts.retval, XDP_TX, "ipv6 retval");
+	ASSERT_EQ(topts.data_size_out, expect_sz, "ipv6 size");
+
+	bpf_object__close(obj);
+}
+
+static void test_xdp_adjust_tail_grow(void)
+{
+	const char *file = "./test_xdp_adjust_tail_grow.bpf.o";
+	struct bpf_object *obj;
+	char buf[4096]; /* avoid segfault: large buf to hold grow results */
+	__u32 expect_sz;
+	int err, prog_fd;
+	LIBBPF_OPTS(bpf_test_run_opts, topts,
+		.data_in = &pkt_v4,
+		.data_size_in = sizeof(pkt_v4),
+		.data_out = buf,
+		.data_size_out = sizeof(buf),
+		.repeat = 1,
+	);
+
+	err = bpf_prog_test_load(file, BPF_PROG_TYPE_XDP, &obj, &prog_fd);
+	if (!ASSERT_OK(err, "test_xdp_adjust_tail_grow"))
+		return;
+
+	err = bpf_prog_test_run_opts(prog_fd, &topts);
+	ASSERT_OK(err, "ipv4");
+	ASSERT_EQ(topts.retval, XDP_DROP, "ipv4 retval");
+
+	expect_sz = sizeof(pkt_v6) + 40; /* Test grow with 40 bytes */
+	topts.data_in = &pkt_v6;
+	topts.data_size_in = sizeof(pkt_v6);
+	topts.data_size_out = sizeof(buf);
+	err = bpf_prog_test_run_opts(prog_fd, &topts);
+	ASSERT_OK(err, "ipv6");
+	ASSERT_EQ(topts.retval, XDP_TX, "ipv6 retval");
+	ASSERT_EQ(topts.data_size_out, expect_sz, "ipv6 size");
+
+	bpf_object__close(obj);
+}
+
+static void test_xdp_adjust_tail_grow2(void)
+{
+	const char *file = "./test_xdp_adjust_tail_grow.bpf.o";
+	char buf[4096]; /* avoid segfault: large buf to hold grow results */
+	int tailroom = 320; /* SKB_DATA_ALIGN(sizeof(struct skb_shared_info))*/;
+	struct bpf_object *obj;
+	int err, cnt, i;
+	int max_grow, prog_fd;
+
+	LIBBPF_OPTS(bpf_test_run_opts, tattr,
+		.repeat		= 1,
+		.data_in	= &buf,
+		.data_out	= &buf,
+		.data_size_in	= 0, /* Per test */
+		.data_size_out	= 0, /* Per test */
+	);
+
+	err = bpf_prog_test_load(file, BPF_PROG_TYPE_XDP, &obj, &prog_fd);
+	if (!ASSERT_OK(err, "test_xdp_adjust_tail_grow"))
+		return;
+
+	/* Test case-64 */
+	memset(buf, 1, sizeof(buf));
+	tattr.data_size_in  =  64; /* Determine test case via pkt size */
+	tattr.data_size_out = 128; /* Limit copy_size */
+	/* Kernel side alloc packet memory area that is zero init */
+	err = bpf_prog_test_run_opts(prog_fd, &tattr);
+
+	ASSERT_EQ(errno, ENOSPC, "case-64 errno"); /* Due limit copy_size in bpf_test_finish */
+	ASSERT_EQ(tattr.retval, XDP_TX, "case-64 retval");
+	ASSERT_EQ(tattr.data_size_out, 192, "case-64 data_size_out"); /* Expected grow size */
+
+	/* Extra checks for data contents */
+	ASSERT_EQ(buf[0], 1, "case-64-data buf[0]"); /*  0-63  memset to 1 */
+	ASSERT_EQ(buf[63], 1, "case-64-data buf[63]");
+	ASSERT_EQ(buf[64], 0, "case-64-data buf[64]"); /* 64-127 memset to 0 */
+	ASSERT_EQ(buf[127], 0, "case-64-data buf[127]");
+	ASSERT_EQ(buf[128], 1, "case-64-data buf[128]"); /* 128-191 memset to 1 */
+	ASSERT_EQ(buf[191], 1, "case-64-data buf[191]");
+
+	/* Test case-128 */
+	memset(buf, 2, sizeof(buf));
+	tattr.data_size_in  = 128; /* Determine test case via pkt size */
+	tattr.data_size_out = sizeof(buf);   /* Copy everything */
+	err = bpf_prog_test_run_opts(prog_fd, &tattr);
+
+	max_grow = 4096 - XDP_PACKET_HEADROOM -	tailroom; /* 3520 */
+	ASSERT_OK(err, "case-128");
+	ASSERT_EQ(tattr.retval, XDP_TX, "case-128 retval");
+	ASSERT_EQ(tattr.data_size_out, max_grow, "case-128 data_size_out"); /* Expect max grow */
+
+	/* Extra checks for data content: Count grow size, will contain zeros */
+	for (i = 0, cnt = 0; i < sizeof(buf); i++) {
+		if (buf[i] == 0)
+			cnt++;
+	}
+	ASSERT_EQ(cnt, max_grow - tattr.data_size_in, "case-128-data cnt"); /* Grow increase */
+	ASSERT_EQ(tattr.data_size_out, max_grow, "case-128-data data_size_out"); /* Total grow */
+
+	bpf_object__close(obj);
+}
+
+static void test_xdp_adjust_frags_tail_shrink(void)
+{
+	const char *file = "./test_xdp_adjust_tail_shrink.bpf.o";
+	__u32 exp_size;
+	struct bpf_program *prog;
+	struct bpf_object *obj;
+	int err, prog_fd;
+	__u8 *buf;
+	LIBBPF_OPTS(bpf_test_run_opts, topts);
+
+	/* For the individual test cases, the first byte in the packet
+	 * indicates which test will be run.
+	 */
+	obj = bpf_object__open(file);
+	if (libbpf_get_error(obj))
+		return;
+
+	prog = bpf_object__next_program(obj, NULL);
+	if (bpf_object__load(obj))
+		return;
+
+	prog_fd = bpf_program__fd(prog);
+
+	buf = malloc(9000);
+	if (!ASSERT_OK_PTR(buf, "alloc buf 9Kb"))
+		goto out;
+
+	memset(buf, 0, 9000);
+
+	/* Test case removing 10 bytes from last frag, NOT freeing it */
+	exp_size = 8990; /* 9000 - 10 */
+	topts.data_in = buf;
+	topts.data_out = buf;
+	topts.data_size_in = 9000;
+	topts.data_size_out = 9000;
+	err = bpf_prog_test_run_opts(prog_fd, &topts);
+
+	ASSERT_OK(err, "9Kb-10b");
+	ASSERT_EQ(topts.retval, XDP_TX, "9Kb-10b retval");
+	ASSERT_EQ(topts.data_size_out, exp_size, "9Kb-10b size");
+
+	/* Test case removing one of two pages, assuming 4K pages */
+	buf[0] = 1;
+	exp_size = 4900; /* 9000 - 4100 */
+
+	topts.data_size_out = 9000; /* reset from previous invocation */
+	err = bpf_prog_test_run_opts(prog_fd, &topts);
+
+	ASSERT_OK(err, "9Kb-4Kb");
+	ASSERT_EQ(topts.retval, XDP_TX, "9Kb-4Kb retval");
+	ASSERT_EQ(topts.data_size_out, exp_size, "9Kb-4Kb size");
+
+	/* Test case removing two pages resulting in a linear xdp_buff */
+	buf[0] = 2;
+	exp_size = 800; /* 9000 - 8200 */
+	topts.data_size_out = 9000; /* reset from previous invocation */
+	err = bpf_prog_test_run_opts(prog_fd, &topts);
+
+	ASSERT_OK(err, "9Kb-9Kb");
+	ASSERT_EQ(topts.retval, XDP_TX, "9Kb-9Kb retval");
+	ASSERT_EQ(topts.data_size_out, exp_size, "9Kb-9Kb size");
+
+	free(buf);
+out:
+	bpf_object__close(obj);
+}
+
+static void test_xdp_adjust_frags_tail_grow(void)
+{
+	const char *file = "./test_xdp_adjust_tail_grow.bpf.o";
+	__u32 exp_size;
+	struct bpf_program *prog;
+	struct bpf_object *obj;
+	int err, i, prog_fd;
+	__u8 *buf;
+	LIBBPF_OPTS(bpf_test_run_opts, topts);
+
+	obj = bpf_object__open(file);
+	if (libbpf_get_error(obj))
+		return;
+
+	prog = bpf_object__next_program(obj, NULL);
+	if (bpf_object__load(obj))
+		return;
+
+	prog_fd = bpf_program__fd(prog);
+
+	buf = malloc(16384);
+	if (!ASSERT_OK_PTR(buf, "alloc buf 16Kb"))
+		goto out;
+
+	/* Test case add 10 bytes to last frag */
+	memset(buf, 1, 16384);
+	exp_size = 9000 + 10;
+
+	topts.data_in = buf;
+	topts.data_out = buf;
+	topts.data_size_in = 9000;
+	topts.data_size_out = 16384;
+	err = bpf_prog_test_run_opts(prog_fd, &topts);
+
+	ASSERT_OK(err, "9Kb+10b");
+	ASSERT_EQ(topts.retval, XDP_TX, "9Kb+10b retval");
+	ASSERT_EQ(topts.data_size_out, exp_size, "9Kb+10b size");
+
+	for (i = 0; i < 9000; i++)
+		ASSERT_EQ(buf[i], 1, "9Kb+10b-old");
+
+	for (i = 9000; i < 9010; i++)
+		ASSERT_EQ(buf[i], 0, "9Kb+10b-new");
+
+	for (i = 9010; i < 16384; i++)
+		ASSERT_EQ(buf[i], 1, "9Kb+10b-untouched");
+
+	/* Test a too large grow */
+	memset(buf, 1, 16384);
+	exp_size = 9001;
+
+	topts.data_in = topts.data_out = buf;
+	topts.data_size_in = 9001;
+	topts.data_size_out = 16384;
+	err = bpf_prog_test_run_opts(prog_fd, &topts);
+
+	ASSERT_OK(err, "9Kb+10b");
+	ASSERT_EQ(topts.retval, XDP_DROP, "9Kb+10b retval");
+	ASSERT_EQ(topts.data_size_out, exp_size, "9Kb+10b size");
+
+	free(buf);
+out:
+	bpf_object__close(obj);
+}
+
+void test_xdp_adjust_tail(void)
+{
+	if (test__start_subtest("xdp_adjust_tail_shrink"))
+		test_xdp_adjust_tail_shrink();
+	if (test__start_subtest("xdp_adjust_tail_grow"))
+		test_xdp_adjust_tail_grow();
+	if (test__start_subtest("xdp_adjust_tail_grow2"))
+		test_xdp_adjust_tail_grow2();
+	if (test__start_subtest("xdp_adjust_frags_tail_shrink"))
+		test_xdp_adjust_frags_tail_shrink();
+	if (test__start_subtest("xdp_adjust_frags_tail_grow"))
+		test_xdp_adjust_frags_tail_grow();
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/xdp_attach.c b/tools/testing/selftests/bpf/prog_tests/xdp_attach.c
new file mode 100644
index 000000000..062fbc8c8
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/xdp_attach.c
@@ -0,0 +1,87 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <test_progs.h>
+
+#define IFINDEX_LO 1
+#define XDP_FLAGS_REPLACE		(1U << 4)
+
+void serial_test_xdp_attach(void)
+{
+	__u32 duration = 0, id1, id2, id0 = 0, len;
+	struct bpf_object *obj1, *obj2, *obj3;
+	const char *file = "./test_xdp.bpf.o";
+	struct bpf_prog_info info = {};
+	int err, fd1, fd2, fd3;
+	LIBBPF_OPTS(bpf_xdp_attach_opts, opts);
+
+	len = sizeof(info);
+
+	err = bpf_prog_test_load(file, BPF_PROG_TYPE_XDP, &obj1, &fd1);
+	if (CHECK_FAIL(err))
+		return;
+	err = bpf_obj_get_info_by_fd(fd1, &info, &len);
+	if (CHECK_FAIL(err))
+		goto out_1;
+	id1 = info.id;
+
+	err = bpf_prog_test_load(file, BPF_PROG_TYPE_XDP, &obj2, &fd2);
+	if (CHECK_FAIL(err))
+		goto out_1;
+
+	memset(&info, 0, sizeof(info));
+	err = bpf_obj_get_info_by_fd(fd2, &info, &len);
+	if (CHECK_FAIL(err))
+		goto out_2;
+	id2 = info.id;
+
+	err = bpf_prog_test_load(file, BPF_PROG_TYPE_XDP, &obj3, &fd3);
+	if (CHECK_FAIL(err))
+		goto out_2;
+
+	err = bpf_xdp_attach(IFINDEX_LO, fd1, XDP_FLAGS_REPLACE, &opts);
+	if (CHECK(err, "load_ok", "initial load failed"))
+		goto out_close;
+
+	err = bpf_xdp_query_id(IFINDEX_LO, 0, &id0);
+	if (CHECK(err || id0 != id1, "id1_check",
+		  "loaded prog id %u != id1 %u, err %d", id0, id1, err))
+		goto out_close;
+
+	err = bpf_xdp_attach(IFINDEX_LO, fd2, XDP_FLAGS_REPLACE, &opts);
+	if (CHECK(!err, "load_fail", "load with expected id didn't fail"))
+		goto out;
+
+	opts.old_prog_fd = fd1;
+	err = bpf_xdp_attach(IFINDEX_LO, fd2, 0, &opts);
+	if (CHECK(err, "replace_ok", "replace valid old_fd failed"))
+		goto out;
+	err = bpf_xdp_query_id(IFINDEX_LO, 0, &id0);
+	if (CHECK(err || id0 != id2, "id2_check",
+		  "loaded prog id %u != id2 %u, err %d", id0, id2, err))
+		goto out_close;
+
+	err = bpf_xdp_attach(IFINDEX_LO, fd3, 0, &opts);
+	if (CHECK(!err, "replace_fail", "replace invalid old_fd didn't fail"))
+		goto out;
+
+	err = bpf_xdp_detach(IFINDEX_LO, 0, &opts);
+	if (CHECK(!err, "remove_fail", "remove invalid old_fd didn't fail"))
+		goto out;
+
+	opts.old_prog_fd = fd2;
+	err = bpf_xdp_detach(IFINDEX_LO, 0, &opts);
+	if (CHECK(err, "remove_ok", "remove valid old_fd failed"))
+		goto out;
+
+	err = bpf_xdp_query_id(IFINDEX_LO, 0, &id0);
+	if (CHECK(err || id0 != 0, "unload_check",
+		  "loaded prog id %u != 0, err %d", id0, err))
+		goto out_close;
+out:
+	bpf_xdp_detach(IFINDEX_LO, 0, NULL);
+out_close:
+	bpf_object__close(obj3);
+out_2:
+	bpf_object__close(obj2);
+out_1:
+	bpf_object__close(obj1);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/xdp_bonding.c b/tools/testing/selftests/bpf/prog_tests/xdp_bonding.c
new file mode 100644
index 000000000..5e3a26b15
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/xdp_bonding.c
@@ -0,0 +1,578 @@
+// SPDX-License-Identifier: GPL-2.0
+
+/**
+ * Test XDP bonding support
+ *
+ * Sets up two bonded veth pairs between two fresh namespaces
+ * and verifies that XDP_TX program loaded on a bond device
+ * are correctly loaded onto the slave devices and XDP_TX'd
+ * packets are balanced using bonding.
+ */
+
+#define _GNU_SOURCE
+#include <sched.h>
+#include <net/if.h>
+#include <linux/if_link.h>
+#include "test_progs.h"
+#include "network_helpers.h"
+#include <linux/if_bonding.h>
+#include <linux/limits.h>
+#include <linux/udp.h>
+
+#include "xdp_dummy.skel.h"
+#include "xdp_redirect_multi_kern.skel.h"
+#include "xdp_tx.skel.h"
+
+#define BOND1_MAC {0x00, 0x11, 0x22, 0x33, 0x44, 0x55}
+#define BOND1_MAC_STR "00:11:22:33:44:55"
+#define BOND2_MAC {0x00, 0x22, 0x33, 0x44, 0x55, 0x66}
+#define BOND2_MAC_STR "00:22:33:44:55:66"
+#define NPACKETS 100
+
+static int root_netns_fd = -1;
+
+static void restore_root_netns(void)
+{
+	ASSERT_OK(setns(root_netns_fd, CLONE_NEWNET), "restore_root_netns");
+}
+
+static int setns_by_name(char *name)
+{
+	int nsfd, err;
+	char nspath[PATH_MAX];
+
+	snprintf(nspath, sizeof(nspath), "%s/%s", "/var/run/netns", name);
+	nsfd = open(nspath, O_RDONLY | O_CLOEXEC);
+	if (nsfd < 0)
+		return -1;
+
+	err = setns(nsfd, CLONE_NEWNET);
+	close(nsfd);
+	return err;
+}
+
+static int get_rx_packets(const char *iface)
+{
+	FILE *f;
+	char line[512];
+	int iface_len = strlen(iface);
+
+	f = fopen("/proc/net/dev", "r");
+	if (!f)
+		return -1;
+
+	while (fgets(line, sizeof(line), f)) {
+		char *p = line;
+
+		while (*p == ' ')
+			p++; /* skip whitespace */
+		if (!strncmp(p, iface, iface_len)) {
+			p += iface_len;
+			if (*p++ != ':')
+				continue;
+			while (*p == ' ')
+				p++; /* skip whitespace */
+			while (*p && *p != ' ')
+				p++; /* skip rx bytes */
+			while (*p == ' ')
+				p++; /* skip whitespace */
+			fclose(f);
+			return atoi(p);
+		}
+	}
+	fclose(f);
+	return -1;
+}
+
+#define MAX_BPF_LINKS 8
+
+struct skeletons {
+	struct xdp_dummy *xdp_dummy;
+	struct xdp_tx *xdp_tx;
+	struct xdp_redirect_multi_kern *xdp_redirect_multi_kern;
+
+	int nlinks;
+	struct bpf_link *links[MAX_BPF_LINKS];
+};
+
+static int xdp_attach(struct skeletons *skeletons, struct bpf_program *prog, char *iface)
+{
+	struct bpf_link *link;
+	int ifindex;
+
+	ifindex = if_nametoindex(iface);
+	if (!ASSERT_GT(ifindex, 0, "get ifindex"))
+		return -1;
+
+	if (!ASSERT_LE(skeletons->nlinks+1, MAX_BPF_LINKS, "too many XDP programs attached"))
+		return -1;
+
+	link = bpf_program__attach_xdp(prog, ifindex);
+	if (!ASSERT_OK_PTR(link, "attach xdp program"))
+		return -1;
+
+	skeletons->links[skeletons->nlinks++] = link;
+	return 0;
+}
+
+enum {
+	BOND_ONE_NO_ATTACH = 0,
+	BOND_BOTH_AND_ATTACH,
+};
+
+static const char * const mode_names[] = {
+	[BOND_MODE_ROUNDROBIN]   = "balance-rr",
+	[BOND_MODE_ACTIVEBACKUP] = "active-backup",
+	[BOND_MODE_XOR]          = "balance-xor",
+	[BOND_MODE_BROADCAST]    = "broadcast",
+	[BOND_MODE_8023AD]       = "802.3ad",
+	[BOND_MODE_TLB]          = "balance-tlb",
+	[BOND_MODE_ALB]          = "balance-alb",
+};
+
+static const char * const xmit_policy_names[] = {
+	[BOND_XMIT_POLICY_LAYER2]       = "layer2",
+	[BOND_XMIT_POLICY_LAYER34]      = "layer3+4",
+	[BOND_XMIT_POLICY_LAYER23]      = "layer2+3",
+	[BOND_XMIT_POLICY_ENCAP23]      = "encap2+3",
+	[BOND_XMIT_POLICY_ENCAP34]      = "encap3+4",
+};
+
+static int bonding_setup(struct skeletons *skeletons, int mode, int xmit_policy,
+			 int bond_both_attach)
+{
+#define SYS(fmt, ...)						\
+	({							\
+		char cmd[1024];					\
+		snprintf(cmd, sizeof(cmd), fmt, ##__VA_ARGS__);	\
+		if (!ASSERT_OK(system(cmd), cmd))		\
+			return -1;				\
+	})
+
+	SYS("ip netns add ns_dst");
+	SYS("ip link add veth1_1 type veth peer name veth2_1 netns ns_dst");
+	SYS("ip link add veth1_2 type veth peer name veth2_2 netns ns_dst");
+
+	SYS("ip link add bond1 type bond mode %s xmit_hash_policy %s",
+	    mode_names[mode], xmit_policy_names[xmit_policy]);
+	SYS("ip link set bond1 up address " BOND1_MAC_STR " addrgenmode none");
+	SYS("ip -netns ns_dst link add bond2 type bond mode %s xmit_hash_policy %s",
+	    mode_names[mode], xmit_policy_names[xmit_policy]);
+	SYS("ip -netns ns_dst link set bond2 up address " BOND2_MAC_STR " addrgenmode none");
+
+	SYS("ip link set veth1_1 master bond1");
+	if (bond_both_attach == BOND_BOTH_AND_ATTACH) {
+		SYS("ip link set veth1_2 master bond1");
+	} else {
+		SYS("ip link set veth1_2 up addrgenmode none");
+
+		if (xdp_attach(skeletons, skeletons->xdp_dummy->progs.xdp_dummy_prog, "veth1_2"))
+			return -1;
+	}
+
+	SYS("ip -netns ns_dst link set veth2_1 master bond2");
+
+	if (bond_both_attach == BOND_BOTH_AND_ATTACH)
+		SYS("ip -netns ns_dst link set veth2_2 master bond2");
+	else
+		SYS("ip -netns ns_dst link set veth2_2 up addrgenmode none");
+
+	/* Load a dummy program on sending side as with veth peer needs to have a
+	 * XDP program loaded as well.
+	 */
+	if (xdp_attach(skeletons, skeletons->xdp_dummy->progs.xdp_dummy_prog, "bond1"))
+		return -1;
+
+	if (bond_both_attach == BOND_BOTH_AND_ATTACH) {
+		if (!ASSERT_OK(setns_by_name("ns_dst"), "set netns to ns_dst"))
+			return -1;
+
+		if (xdp_attach(skeletons, skeletons->xdp_tx->progs.xdp_tx, "bond2"))
+			return -1;
+
+		restore_root_netns();
+	}
+
+	return 0;
+
+#undef SYS
+}
+
+static void bonding_cleanup(struct skeletons *skeletons)
+{
+	restore_root_netns();
+	while (skeletons->nlinks) {
+		skeletons->nlinks--;
+		bpf_link__destroy(skeletons->links[skeletons->nlinks]);
+	}
+	ASSERT_OK(system("ip link delete bond1"), "delete bond1");
+	ASSERT_OK(system("ip link delete veth1_1"), "delete veth1_1");
+	ASSERT_OK(system("ip link delete veth1_2"), "delete veth1_2");
+	ASSERT_OK(system("ip netns delete ns_dst"), "delete ns_dst");
+}
+
+static int send_udp_packets(int vary_dst_ip)
+{
+	struct ethhdr eh = {
+		.h_source = BOND1_MAC,
+		.h_dest = BOND2_MAC,
+		.h_proto = htons(ETH_P_IP),
+	};
+	struct iphdr iph = {};
+	struct udphdr uh = {};
+	uint8_t buf[128];
+	int i, s = -1;
+	int ifindex;
+
+	s = socket(AF_PACKET, SOCK_RAW, IPPROTO_RAW);
+	if (!ASSERT_GE(s, 0, "socket"))
+		goto err;
+
+	ifindex = if_nametoindex("bond1");
+	if (!ASSERT_GT(ifindex, 0, "get bond1 ifindex"))
+		goto err;
+
+	iph.ihl = 5;
+	iph.version = 4;
+	iph.tos = 16;
+	iph.id = 1;
+	iph.ttl = 64;
+	iph.protocol = IPPROTO_UDP;
+	iph.saddr = 1;
+	iph.daddr = 2;
+	iph.tot_len = htons(sizeof(buf) - ETH_HLEN);
+	iph.check = 0;
+
+	for (i = 1; i <= NPACKETS; i++) {
+		int n;
+		struct sockaddr_ll saddr_ll = {
+			.sll_ifindex = ifindex,
+			.sll_halen = ETH_ALEN,
+			.sll_addr = BOND2_MAC,
+		};
+
+		/* vary the UDP destination port for even distribution with roundrobin/xor modes */
+		uh.dest++;
+
+		if (vary_dst_ip)
+			iph.daddr++;
+
+		/* construct a packet */
+		memcpy(buf, &eh, sizeof(eh));
+		memcpy(buf + sizeof(eh), &iph, sizeof(iph));
+		memcpy(buf + sizeof(eh) + sizeof(iph), &uh, sizeof(uh));
+
+		n = sendto(s, buf, sizeof(buf), 0, (struct sockaddr *)&saddr_ll, sizeof(saddr_ll));
+		if (!ASSERT_EQ(n, sizeof(buf), "sendto"))
+			goto err;
+	}
+
+	return 0;
+
+err:
+	if (s >= 0)
+		close(s);
+	return -1;
+}
+
+static void test_xdp_bonding_with_mode(struct skeletons *skeletons, int mode, int xmit_policy)
+{
+	int bond1_rx;
+
+	if (bonding_setup(skeletons, mode, xmit_policy, BOND_BOTH_AND_ATTACH))
+		goto out;
+
+	if (send_udp_packets(xmit_policy != BOND_XMIT_POLICY_LAYER34))
+		goto out;
+
+	bond1_rx = get_rx_packets("bond1");
+	ASSERT_EQ(bond1_rx, NPACKETS, "expected more received packets");
+
+	switch (mode) {
+	case BOND_MODE_ROUNDROBIN:
+	case BOND_MODE_XOR: {
+		int veth1_rx = get_rx_packets("veth1_1");
+		int veth2_rx = get_rx_packets("veth1_2");
+		int diff = abs(veth1_rx - veth2_rx);
+
+		ASSERT_GE(veth1_rx + veth2_rx, NPACKETS, "expected more packets");
+
+		switch (xmit_policy) {
+		case BOND_XMIT_POLICY_LAYER2:
+			ASSERT_GE(diff, NPACKETS,
+				  "expected packets on only one of the interfaces");
+			break;
+		case BOND_XMIT_POLICY_LAYER23:
+		case BOND_XMIT_POLICY_LAYER34:
+			ASSERT_LT(diff, NPACKETS/2,
+				  "expected even distribution of packets");
+			break;
+		default:
+			PRINT_FAIL("Unimplemented xmit_policy=%d\n", xmit_policy);
+			break;
+		}
+		break;
+	}
+	case BOND_MODE_ACTIVEBACKUP: {
+		int veth1_rx = get_rx_packets("veth1_1");
+		int veth2_rx = get_rx_packets("veth1_2");
+		int diff = abs(veth1_rx - veth2_rx);
+
+		ASSERT_GE(diff, NPACKETS,
+			  "expected packets on only one of the interfaces");
+		break;
+	}
+	default:
+		PRINT_FAIL("Unimplemented xmit_policy=%d\n", xmit_policy);
+		break;
+	}
+
+out:
+	bonding_cleanup(skeletons);
+}
+
+/* Test the broadcast redirection using xdp_redirect_map_multi_prog and adding
+ * all the interfaces to it and checking that broadcasting won't send the packet
+ * to neither the ingress bond device (bond2) or its slave (veth2_1).
+ */
+static void test_xdp_bonding_redirect_multi(struct skeletons *skeletons)
+{
+	static const char * const ifaces[] = {"bond2", "veth2_1", "veth2_2"};
+	int veth1_1_rx, veth1_2_rx;
+	int err;
+
+	if (bonding_setup(skeletons, BOND_MODE_ROUNDROBIN, BOND_XMIT_POLICY_LAYER23,
+			  BOND_ONE_NO_ATTACH))
+		goto out;
+
+
+	if (!ASSERT_OK(setns_by_name("ns_dst"), "could not set netns to ns_dst"))
+		goto out;
+
+	/* populate the devmap with the relevant interfaces */
+	for (int i = 0; i < ARRAY_SIZE(ifaces); i++) {
+		int ifindex = if_nametoindex(ifaces[i]);
+		int map_fd = bpf_map__fd(skeletons->xdp_redirect_multi_kern->maps.map_all);
+
+		if (!ASSERT_GT(ifindex, 0, "could not get interface index"))
+			goto out;
+
+		err = bpf_map_update_elem(map_fd, &ifindex, &ifindex, 0);
+		if (!ASSERT_OK(err, "add interface to map_all"))
+			goto out;
+	}
+
+	if (xdp_attach(skeletons,
+		       skeletons->xdp_redirect_multi_kern->progs.xdp_redirect_map_multi_prog,
+		       "bond2"))
+		goto out;
+
+	restore_root_netns();
+
+	if (send_udp_packets(BOND_MODE_ROUNDROBIN))
+		goto out;
+
+	veth1_1_rx = get_rx_packets("veth1_1");
+	veth1_2_rx = get_rx_packets("veth1_2");
+
+	ASSERT_EQ(veth1_1_rx, 0, "expected no packets on veth1_1");
+	ASSERT_GE(veth1_2_rx, NPACKETS, "expected packets on veth1_2");
+
+out:
+	restore_root_netns();
+	bonding_cleanup(skeletons);
+}
+
+/* Test that XDP programs cannot be attached to both the bond master and slaves simultaneously */
+static void test_xdp_bonding_attach(struct skeletons *skeletons)
+{
+	struct bpf_link *link = NULL;
+	struct bpf_link *link2 = NULL;
+	int veth, bond, err;
+
+	if (!ASSERT_OK(system("ip link add veth type veth"), "add veth"))
+		goto out;
+	if (!ASSERT_OK(system("ip link add bond type bond"), "add bond"))
+		goto out;
+
+	veth = if_nametoindex("veth");
+	if (!ASSERT_GE(veth, 0, "if_nametoindex veth"))
+		goto out;
+	bond = if_nametoindex("bond");
+	if (!ASSERT_GE(bond, 0, "if_nametoindex bond"))
+		goto out;
+
+	/* enslaving with a XDP program loaded is allowed */
+	link = bpf_program__attach_xdp(skeletons->xdp_dummy->progs.xdp_dummy_prog, veth);
+	if (!ASSERT_OK_PTR(link, "attach program to veth"))
+		goto out;
+
+	err = system("ip link set veth master bond");
+	if (!ASSERT_OK(err, "set veth master"))
+		goto out;
+
+	bpf_link__destroy(link);
+	link = NULL;
+
+	/* attaching to slave when master has no program is allowed */
+	link = bpf_program__attach_xdp(skeletons->xdp_dummy->progs.xdp_dummy_prog, veth);
+	if (!ASSERT_OK_PTR(link, "attach program to slave when enslaved"))
+		goto out;
+
+	/* attaching to master not allowed when slave has program loaded */
+	link2 = bpf_program__attach_xdp(skeletons->xdp_dummy->progs.xdp_dummy_prog, bond);
+	if (!ASSERT_ERR_PTR(link2, "attach program to master when slave has program"))
+		goto out;
+
+	bpf_link__destroy(link);
+	link = NULL;
+
+	/* attaching XDP program to master allowed when slave has no program */
+	link = bpf_program__attach_xdp(skeletons->xdp_dummy->progs.xdp_dummy_prog, bond);
+	if (!ASSERT_OK_PTR(link, "attach program to master"))
+		goto out;
+
+	/* attaching to slave not allowed when master has program loaded */
+	link2 = bpf_program__attach_xdp(skeletons->xdp_dummy->progs.xdp_dummy_prog, veth);
+	if (!ASSERT_ERR_PTR(link2, "attach program to slave when master has program"))
+		goto out;
+
+	bpf_link__destroy(link);
+	link = NULL;
+
+	/* test program unwinding with a non-XDP slave */
+	if (!ASSERT_OK(system("ip link add vxlan type vxlan id 1 remote 1.2.3.4 dstport 0 dev lo"),
+		       "add vxlan"))
+		goto out;
+
+	err = system("ip link set vxlan master bond");
+	if (!ASSERT_OK(err, "set vxlan master"))
+		goto out;
+
+	/* attaching not allowed when one slave does not support XDP */
+	link = bpf_program__attach_xdp(skeletons->xdp_dummy->progs.xdp_dummy_prog, bond);
+	if (!ASSERT_ERR_PTR(link, "attach program to master when slave does not support XDP"))
+		goto out;
+
+out:
+	bpf_link__destroy(link);
+	bpf_link__destroy(link2);
+
+	system("ip link del veth");
+	system("ip link del bond");
+	system("ip link del vxlan");
+}
+
+/* Test with nested bonding devices to catch issue with negative jump label count */
+static void test_xdp_bonding_nested(struct skeletons *skeletons)
+{
+	struct bpf_link *link = NULL;
+	int bond, err;
+
+	if (!ASSERT_OK(system("ip link add bond type bond"), "add bond"))
+		goto out;
+
+	bond = if_nametoindex("bond");
+	if (!ASSERT_GE(bond, 0, "if_nametoindex bond"))
+		goto out;
+
+	if (!ASSERT_OK(system("ip link add bond_nest1 type bond"), "add bond_nest1"))
+		goto out;
+
+	err = system("ip link set bond_nest1 master bond");
+	if (!ASSERT_OK(err, "set bond_nest1 master"))
+		goto out;
+
+	if (!ASSERT_OK(system("ip link add bond_nest2 type bond"), "add bond_nest1"))
+		goto out;
+
+	err = system("ip link set bond_nest2 master bond_nest1");
+	if (!ASSERT_OK(err, "set bond_nest2 master"))
+		goto out;
+
+	link = bpf_program__attach_xdp(skeletons->xdp_dummy->progs.xdp_dummy_prog, bond);
+	ASSERT_OK_PTR(link, "attach program to master");
+
+out:
+	bpf_link__destroy(link);
+	system("ip link del bond");
+	system("ip link del bond_nest1");
+	system("ip link del bond_nest2");
+}
+
+static int libbpf_debug_print(enum libbpf_print_level level,
+			      const char *format, va_list args)
+{
+	if (level != LIBBPF_WARN)
+		vprintf(format, args);
+	return 0;
+}
+
+struct bond_test_case {
+	char *name;
+	int mode;
+	int xmit_policy;
+};
+
+static struct bond_test_case bond_test_cases[] = {
+	{ "xdp_bonding_roundrobin", BOND_MODE_ROUNDROBIN, BOND_XMIT_POLICY_LAYER23, },
+	{ "xdp_bonding_activebackup", BOND_MODE_ACTIVEBACKUP, BOND_XMIT_POLICY_LAYER23 },
+
+	{ "xdp_bonding_xor_layer2", BOND_MODE_XOR, BOND_XMIT_POLICY_LAYER2, },
+	{ "xdp_bonding_xor_layer23", BOND_MODE_XOR, BOND_XMIT_POLICY_LAYER23, },
+	{ "xdp_bonding_xor_layer34", BOND_MODE_XOR, BOND_XMIT_POLICY_LAYER34, },
+};
+
+void serial_test_xdp_bonding(void)
+{
+	libbpf_print_fn_t old_print_fn;
+	struct skeletons skeletons = {};
+	int i;
+
+	old_print_fn = libbpf_set_print(libbpf_debug_print);
+
+	root_netns_fd = open("/proc/self/ns/net", O_RDONLY);
+	if (!ASSERT_GE(root_netns_fd, 0, "open /proc/self/ns/net"))
+		goto out;
+
+	skeletons.xdp_dummy = xdp_dummy__open_and_load();
+	if (!ASSERT_OK_PTR(skeletons.xdp_dummy, "xdp_dummy__open_and_load"))
+		goto out;
+
+	skeletons.xdp_tx = xdp_tx__open_and_load();
+	if (!ASSERT_OK_PTR(skeletons.xdp_tx, "xdp_tx__open_and_load"))
+		goto out;
+
+	skeletons.xdp_redirect_multi_kern = xdp_redirect_multi_kern__open_and_load();
+	if (!ASSERT_OK_PTR(skeletons.xdp_redirect_multi_kern,
+			   "xdp_redirect_multi_kern__open_and_load"))
+		goto out;
+
+	if (test__start_subtest("xdp_bonding_attach"))
+		test_xdp_bonding_attach(&skeletons);
+
+	if (test__start_subtest("xdp_bonding_nested"))
+		test_xdp_bonding_nested(&skeletons);
+
+	for (i = 0; i < ARRAY_SIZE(bond_test_cases); i++) {
+		struct bond_test_case *test_case = &bond_test_cases[i];
+
+		if (test__start_subtest(test_case->name))
+			test_xdp_bonding_with_mode(
+				&skeletons,
+				test_case->mode,
+				test_case->xmit_policy);
+	}
+
+	if (test__start_subtest("xdp_bonding_redirect_multi"))
+		test_xdp_bonding_redirect_multi(&skeletons);
+
+out:
+	xdp_dummy__destroy(skeletons.xdp_dummy);
+	xdp_tx__destroy(skeletons.xdp_tx);
+	xdp_redirect_multi_kern__destroy(skeletons.xdp_redirect_multi_kern);
+
+	libbpf_set_print(old_print_fn);
+	if (root_netns_fd >= 0)
+		close(root_netns_fd);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/xdp_bpf2bpf.c b/tools/testing/selftests/bpf/prog_tests/xdp_bpf2bpf.c
new file mode 100644
index 000000000..76967d8ac
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/xdp_bpf2bpf.c
@@ -0,0 +1,161 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <test_progs.h>
+#include <network_helpers.h>
+#include <net/if.h>
+#include "test_xdp.skel.h"
+#include "test_xdp_bpf2bpf.skel.h"
+
+struct meta {
+	int ifindex;
+	int pkt_len;
+};
+
+struct test_ctx_s {
+	bool passed;
+	int pkt_size;
+};
+
+struct test_ctx_s test_ctx;
+
+static void on_sample(void *ctx, int cpu, void *data, __u32 size)
+{
+	struct meta *meta = (struct meta *)data;
+	struct ipv4_packet *trace_pkt_v4 = data + sizeof(*meta);
+	unsigned char *raw_pkt = data + sizeof(*meta);
+	struct test_ctx_s *tst_ctx = ctx;
+
+	ASSERT_GE(size, sizeof(pkt_v4) + sizeof(*meta), "check_size");
+	ASSERT_EQ(meta->ifindex, if_nametoindex("lo"), "check_meta_ifindex");
+	ASSERT_EQ(meta->pkt_len, tst_ctx->pkt_size, "check_meta_pkt_len");
+	ASSERT_EQ(memcmp(trace_pkt_v4, &pkt_v4, sizeof(pkt_v4)), 0,
+		  "check_packet_content");
+
+	if (meta->pkt_len > sizeof(pkt_v4)) {
+		for (int i = 0; i < meta->pkt_len - sizeof(pkt_v4); i++)
+			ASSERT_EQ(raw_pkt[i + sizeof(pkt_v4)], (unsigned char)i,
+				  "check_packet_content");
+	}
+
+	tst_ctx->passed = true;
+}
+
+#define BUF_SZ	9000
+
+static void run_xdp_bpf2bpf_pkt_size(int pkt_fd, struct perf_buffer *pb,
+				     struct test_xdp_bpf2bpf *ftrace_skel,
+				     int pkt_size)
+{
+	__u8 *buf, *buf_in;
+	int err;
+	LIBBPF_OPTS(bpf_test_run_opts, topts);
+
+	if (!ASSERT_LE(pkt_size, BUF_SZ, "pkt_size") ||
+	    !ASSERT_GE(pkt_size, sizeof(pkt_v4), "pkt_size"))
+		return;
+
+	buf_in = malloc(BUF_SZ);
+	if (!ASSERT_OK_PTR(buf_in, "buf_in malloc()"))
+		return;
+
+	buf = malloc(BUF_SZ);
+	if (!ASSERT_OK_PTR(buf, "buf malloc()")) {
+		free(buf_in);
+		return;
+	}
+
+	test_ctx.passed = false;
+	test_ctx.pkt_size = pkt_size;
+
+	memcpy(buf_in, &pkt_v4, sizeof(pkt_v4));
+	if (pkt_size > sizeof(pkt_v4)) {
+		for (int i = 0; i < (pkt_size - sizeof(pkt_v4)); i++)
+			buf_in[i + sizeof(pkt_v4)] = i;
+	}
+
+	/* Run test program */
+	topts.data_in = buf_in;
+	topts.data_size_in = pkt_size;
+	topts.data_out = buf;
+	topts.data_size_out = BUF_SZ;
+
+	err = bpf_prog_test_run_opts(pkt_fd, &topts);
+
+	ASSERT_OK(err, "ipv4");
+	ASSERT_EQ(topts.retval, XDP_PASS, "ipv4 retval");
+	ASSERT_EQ(topts.data_size_out, pkt_size, "ipv4 size");
+
+	/* Make sure bpf_xdp_output() was triggered and it sent the expected
+	 * data to the perf ring buffer.
+	 */
+	err = perf_buffer__poll(pb, 100);
+
+	ASSERT_GE(err, 0, "perf_buffer__poll");
+	ASSERT_TRUE(test_ctx.passed, "test passed");
+	/* Verify test results */
+	ASSERT_EQ(ftrace_skel->bss->test_result_fentry, if_nametoindex("lo"),
+		  "fentry result");
+	ASSERT_EQ(ftrace_skel->bss->test_result_fexit, XDP_PASS, "fexit result");
+
+	free(buf);
+	free(buf_in);
+}
+
+void test_xdp_bpf2bpf(void)
+{
+	int err, pkt_fd, map_fd;
+	int pkt_sizes[] = {sizeof(pkt_v4), 1024, 4100, 8200};
+	struct iptnl_info value4 = {.family = AF_INET6};
+	struct test_xdp *pkt_skel = NULL;
+	struct test_xdp_bpf2bpf *ftrace_skel = NULL;
+	struct vip key4 = {.protocol = 6, .family = AF_INET};
+	struct bpf_program *prog;
+	struct perf_buffer *pb = NULL;
+
+	/* Load XDP program to introspect */
+	pkt_skel = test_xdp__open_and_load();
+	if (!ASSERT_OK_PTR(pkt_skel, "test_xdp__open_and_load"))
+		return;
+
+	pkt_fd = bpf_program__fd(pkt_skel->progs._xdp_tx_iptunnel);
+
+	map_fd = bpf_map__fd(pkt_skel->maps.vip2tnl);
+	bpf_map_update_elem(map_fd, &key4, &value4, 0);
+
+	/* Load trace program */
+	ftrace_skel = test_xdp_bpf2bpf__open();
+	if (!ASSERT_OK_PTR(ftrace_skel, "test_xdp_bpf2bpf__open"))
+		goto out;
+
+	/* Demonstrate the bpf_program__set_attach_target() API rather than
+	 * the load with options, i.e. opts.attach_prog_fd.
+	 */
+	prog = ftrace_skel->progs.trace_on_entry;
+	bpf_program__set_expected_attach_type(prog, BPF_TRACE_FENTRY);
+	bpf_program__set_attach_target(prog, pkt_fd, "_xdp_tx_iptunnel");
+
+	prog = ftrace_skel->progs.trace_on_exit;
+	bpf_program__set_expected_attach_type(prog, BPF_TRACE_FEXIT);
+	bpf_program__set_attach_target(prog, pkt_fd, "_xdp_tx_iptunnel");
+
+	err = test_xdp_bpf2bpf__load(ftrace_skel);
+	if (!ASSERT_OK(err, "test_xdp_bpf2bpf__load"))
+		goto out;
+
+	err = test_xdp_bpf2bpf__attach(ftrace_skel);
+	if (!ASSERT_OK(err, "test_xdp_bpf2bpf__attach"))
+		goto out;
+
+	/* Set up perf buffer */
+	pb = perf_buffer__new(bpf_map__fd(ftrace_skel->maps.perf_buf_map), 8,
+			      on_sample, NULL, &test_ctx, NULL);
+	if (!ASSERT_OK_PTR(pb, "perf_buf__new"))
+		goto out;
+
+	for (int i = 0; i < ARRAY_SIZE(pkt_sizes); i++)
+		run_xdp_bpf2bpf_pkt_size(pkt_fd, pb, ftrace_skel,
+					 pkt_sizes[i]);
+out:
+	perf_buffer__free(pb);
+	test_xdp__destroy(pkt_skel);
+	test_xdp_bpf2bpf__destroy(ftrace_skel);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/xdp_context_test_run.c b/tools/testing/selftests/bpf/prog_tests/xdp_context_test_run.c
new file mode 100644
index 000000000..ab4952b9f
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/xdp_context_test_run.c
@@ -0,0 +1,105 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <test_progs.h>
+#include <network_helpers.h>
+#include "test_xdp_context_test_run.skel.h"
+
+void test_xdp_context_error(int prog_fd, struct bpf_test_run_opts opts,
+			    __u32 data_meta, __u32 data, __u32 data_end,
+			    __u32 ingress_ifindex, __u32 rx_queue_index,
+			    __u32 egress_ifindex)
+{
+	struct xdp_md ctx = {
+		.data = data,
+		.data_end = data_end,
+		.data_meta = data_meta,
+		.ingress_ifindex = ingress_ifindex,
+		.rx_queue_index = rx_queue_index,
+		.egress_ifindex = egress_ifindex,
+	};
+	int err;
+
+	opts.ctx_in = &ctx;
+	opts.ctx_size_in = sizeof(ctx);
+	err = bpf_prog_test_run_opts(prog_fd, &opts);
+	ASSERT_EQ(errno, EINVAL, "errno-EINVAL");
+	ASSERT_ERR(err, "bpf_prog_test_run");
+}
+
+void test_xdp_context_test_run(void)
+{
+	struct test_xdp_context_test_run *skel = NULL;
+	char data[sizeof(pkt_v4) + sizeof(__u32)];
+	char bad_ctx[sizeof(struct xdp_md) + 1];
+	struct xdp_md ctx_in, ctx_out;
+	DECLARE_LIBBPF_OPTS(bpf_test_run_opts, opts,
+			    .data_in = &data,
+			    .data_size_in = sizeof(data),
+			    .ctx_out = &ctx_out,
+			    .ctx_size_out = sizeof(ctx_out),
+			    .repeat = 1,
+		);
+	int err, prog_fd;
+
+	skel = test_xdp_context_test_run__open_and_load();
+	if (!ASSERT_OK_PTR(skel, "skel"))
+		return;
+	prog_fd = bpf_program__fd(skel->progs.xdp_context);
+
+	/* Data past the end of the kernel's struct xdp_md must be 0 */
+	bad_ctx[sizeof(bad_ctx) - 1] = 1;
+	opts.ctx_in = bad_ctx;
+	opts.ctx_size_in = sizeof(bad_ctx);
+	err = bpf_prog_test_run_opts(prog_fd, &opts);
+	ASSERT_EQ(errno, E2BIG, "extradata-errno");
+	ASSERT_ERR(err, "bpf_prog_test_run(extradata)");
+
+	*(__u32 *)data = XDP_PASS;
+	*(struct ipv4_packet *)(data + sizeof(__u32)) = pkt_v4;
+	opts.ctx_in = &ctx_in;
+	opts.ctx_size_in = sizeof(ctx_in);
+	memset(&ctx_in, 0, sizeof(ctx_in));
+	ctx_in.data_meta = 0;
+	ctx_in.data = sizeof(__u32);
+	ctx_in.data_end = ctx_in.data + sizeof(pkt_v4);
+	err = bpf_prog_test_run_opts(prog_fd, &opts);
+	ASSERT_OK(err, "bpf_prog_test_run(valid)");
+	ASSERT_EQ(opts.retval, XDP_PASS, "valid-retval");
+	ASSERT_EQ(opts.data_size_out, sizeof(pkt_v4), "valid-datasize");
+	ASSERT_EQ(opts.ctx_size_out, opts.ctx_size_in, "valid-ctxsize");
+	ASSERT_EQ(ctx_out.data_meta, 0, "valid-datameta");
+	ASSERT_EQ(ctx_out.data, 0, "valid-data");
+	ASSERT_EQ(ctx_out.data_end, sizeof(pkt_v4), "valid-dataend");
+
+	/* Meta data's size must be a multiple of 4 */
+	test_xdp_context_error(prog_fd, opts, 0, 1, sizeof(data), 0, 0, 0);
+
+	/* data_meta must reference the start of data */
+	test_xdp_context_error(prog_fd, opts, 4, sizeof(__u32), sizeof(data),
+			       0, 0, 0);
+
+	/* Meta data must be 32 bytes or smaller */
+	test_xdp_context_error(prog_fd, opts, 0, 36, sizeof(data), 0, 0, 0);
+
+	/* Total size of data must match data_end - data_meta */
+	test_xdp_context_error(prog_fd, opts, 0, sizeof(__u32),
+			       sizeof(data) - 1, 0, 0, 0);
+	test_xdp_context_error(prog_fd, opts, 0, sizeof(__u32),
+			       sizeof(data) + 1, 0, 0, 0);
+
+	/* RX queue cannot be specified without specifying an ingress */
+	test_xdp_context_error(prog_fd, opts, 0, sizeof(__u32), sizeof(data),
+			       0, 1, 0);
+
+	/* Interface 1 is always the loopback interface which always has only
+	 * one RX queue (index 0). This makes index 1 an invalid rx queue index
+	 * for interface 1.
+	 */
+	test_xdp_context_error(prog_fd, opts, 0, sizeof(__u32), sizeof(data),
+			       1, 1, 0);
+
+	/* The egress cannot be specified */
+	test_xdp_context_error(prog_fd, opts, 0, sizeof(__u32), sizeof(data),
+			       0, 0, 1);
+
+	test_xdp_context_test_run__destroy(skel);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/xdp_cpumap_attach.c b/tools/testing/selftests/bpf/prog_tests/xdp_cpumap_attach.c
new file mode 100644
index 000000000..f775a1613
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/xdp_cpumap_attach.c
@@ -0,0 +1,121 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <uapi/linux/bpf.h>
+#include <linux/if_link.h>
+#include <test_progs.h>
+
+#include "test_xdp_with_cpumap_frags_helpers.skel.h"
+#include "test_xdp_with_cpumap_helpers.skel.h"
+
+#define IFINDEX_LO	1
+
+static void test_xdp_with_cpumap_helpers(void)
+{
+	struct test_xdp_with_cpumap_helpers *skel;
+	struct bpf_prog_info info = {};
+	__u32 len = sizeof(info);
+	struct bpf_cpumap_val val = {
+		.qsize = 192,
+	};
+	int err, prog_fd, map_fd;
+	__u32 idx = 0;
+
+	skel = test_xdp_with_cpumap_helpers__open_and_load();
+	if (!ASSERT_OK_PTR(skel, "test_xdp_with_cpumap_helpers__open_and_load"))
+		return;
+
+	prog_fd = bpf_program__fd(skel->progs.xdp_redir_prog);
+	err = bpf_xdp_attach(IFINDEX_LO, prog_fd, XDP_FLAGS_SKB_MODE, NULL);
+	if (!ASSERT_OK(err, "Generic attach of program with 8-byte CPUMAP"))
+		goto out_close;
+
+	err = bpf_xdp_detach(IFINDEX_LO, XDP_FLAGS_SKB_MODE, NULL);
+	ASSERT_OK(err, "XDP program detach");
+
+	prog_fd = bpf_program__fd(skel->progs.xdp_dummy_cm);
+	map_fd = bpf_map__fd(skel->maps.cpu_map);
+	err = bpf_obj_get_info_by_fd(prog_fd, &info, &len);
+	if (!ASSERT_OK(err, "bpf_obj_get_info_by_fd"))
+		goto out_close;
+
+	val.bpf_prog.fd = prog_fd;
+	err = bpf_map_update_elem(map_fd, &idx, &val, 0);
+	ASSERT_OK(err, "Add program to cpumap entry");
+
+	err = bpf_map_lookup_elem(map_fd, &idx, &val);
+	ASSERT_OK(err, "Read cpumap entry");
+	ASSERT_EQ(info.id, val.bpf_prog.id, "Match program id to cpumap entry prog_id");
+
+	/* can not attach BPF_XDP_CPUMAP program to a device */
+	err = bpf_xdp_attach(IFINDEX_LO, prog_fd, XDP_FLAGS_SKB_MODE, NULL);
+	if (!ASSERT_NEQ(err, 0, "Attach of BPF_XDP_CPUMAP program"))
+		bpf_xdp_detach(IFINDEX_LO, XDP_FLAGS_SKB_MODE, NULL);
+
+	val.qsize = 192;
+	val.bpf_prog.fd = bpf_program__fd(skel->progs.xdp_dummy_prog);
+	err = bpf_map_update_elem(map_fd, &idx, &val, 0);
+	ASSERT_NEQ(err, 0, "Add non-BPF_XDP_CPUMAP program to cpumap entry");
+
+	/* Try to attach BPF_XDP program with frags to cpumap when we have
+	 * already loaded a BPF_XDP program on the map
+	 */
+	idx = 1;
+	val.qsize = 192;
+	val.bpf_prog.fd = bpf_program__fd(skel->progs.xdp_dummy_cm_frags);
+	err = bpf_map_update_elem(map_fd, &idx, &val, 0);
+	ASSERT_NEQ(err, 0, "Add BPF_XDP program with frags to cpumap entry");
+
+out_close:
+	test_xdp_with_cpumap_helpers__destroy(skel);
+}
+
+static void test_xdp_with_cpumap_frags_helpers(void)
+{
+	struct test_xdp_with_cpumap_frags_helpers *skel;
+	struct bpf_prog_info info = {};
+	__u32 len = sizeof(info);
+	struct bpf_cpumap_val val = {
+		.qsize = 192,
+	};
+	int err, frags_prog_fd, map_fd;
+	__u32 idx = 0;
+
+	skel = test_xdp_with_cpumap_frags_helpers__open_and_load();
+	if (!ASSERT_OK_PTR(skel, "test_xdp_with_cpumap_helpers__open_and_load"))
+		return;
+
+	frags_prog_fd = bpf_program__fd(skel->progs.xdp_dummy_cm_frags);
+	map_fd = bpf_map__fd(skel->maps.cpu_map);
+	err = bpf_obj_get_info_by_fd(frags_prog_fd, &info, &len);
+	if (!ASSERT_OK(err, "bpf_obj_get_info_by_fd"))
+		goto out_close;
+
+	val.bpf_prog.fd = frags_prog_fd;
+	err = bpf_map_update_elem(map_fd, &idx, &val, 0);
+	ASSERT_OK(err, "Add program to cpumap entry");
+
+	err = bpf_map_lookup_elem(map_fd, &idx, &val);
+	ASSERT_OK(err, "Read cpumap entry");
+	ASSERT_EQ(info.id, val.bpf_prog.id,
+		  "Match program id to cpumap entry prog_id");
+
+	/* Try to attach BPF_XDP program to cpumap when we have
+	 * already loaded a BPF_XDP program with frags on the map
+	 */
+	idx = 1;
+	val.qsize = 192;
+	val.bpf_prog.fd = bpf_program__fd(skel->progs.xdp_dummy_cm);
+	err = bpf_map_update_elem(map_fd, &idx, &val, 0);
+	ASSERT_NEQ(err, 0, "Add BPF_XDP program to cpumap entry");
+
+out_close:
+	test_xdp_with_cpumap_frags_helpers__destroy(skel);
+}
+
+void serial_test_xdp_cpumap_attach(void)
+{
+	if (test__start_subtest("CPUMAP with programs in entries"))
+		test_xdp_with_cpumap_helpers();
+
+	if (test__start_subtest("CPUMAP with frags programs in entries"))
+		test_xdp_with_cpumap_frags_helpers();
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/xdp_devmap_attach.c b/tools/testing/selftests/bpf/prog_tests/xdp_devmap_attach.c
new file mode 100644
index 000000000..ead40016c
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/xdp_devmap_attach.c
@@ -0,0 +1,137 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <uapi/linux/bpf.h>
+#include <linux/if_link.h>
+#include <test_progs.h>
+
+#include "test_xdp_devmap_helpers.skel.h"
+#include "test_xdp_with_devmap_frags_helpers.skel.h"
+#include "test_xdp_with_devmap_helpers.skel.h"
+
+#define IFINDEX_LO 1
+
+static void test_xdp_with_devmap_helpers(void)
+{
+	struct test_xdp_with_devmap_helpers *skel;
+	struct bpf_prog_info info = {};
+	struct bpf_devmap_val val = {
+		.ifindex = IFINDEX_LO,
+	};
+	__u32 len = sizeof(info);
+	int err, dm_fd, map_fd;
+	__u32 idx = 0;
+
+
+	skel = test_xdp_with_devmap_helpers__open_and_load();
+	if (!ASSERT_OK_PTR(skel, "test_xdp_with_devmap_helpers__open_and_load"))
+		return;
+
+	dm_fd = bpf_program__fd(skel->progs.xdp_redir_prog);
+	err = bpf_xdp_attach(IFINDEX_LO, dm_fd, XDP_FLAGS_SKB_MODE, NULL);
+	if (!ASSERT_OK(err, "Generic attach of program with 8-byte devmap"))
+		goto out_close;
+
+	err = bpf_xdp_detach(IFINDEX_LO, XDP_FLAGS_SKB_MODE, NULL);
+	ASSERT_OK(err, "XDP program detach");
+
+	dm_fd = bpf_program__fd(skel->progs.xdp_dummy_dm);
+	map_fd = bpf_map__fd(skel->maps.dm_ports);
+	err = bpf_obj_get_info_by_fd(dm_fd, &info, &len);
+	if (!ASSERT_OK(err, "bpf_obj_get_info_by_fd"))
+		goto out_close;
+
+	val.bpf_prog.fd = dm_fd;
+	err = bpf_map_update_elem(map_fd, &idx, &val, 0);
+	ASSERT_OK(err, "Add program to devmap entry");
+
+	err = bpf_map_lookup_elem(map_fd, &idx, &val);
+	ASSERT_OK(err, "Read devmap entry");
+	ASSERT_EQ(info.id, val.bpf_prog.id, "Match program id to devmap entry prog_id");
+
+	/* can not attach BPF_XDP_DEVMAP program to a device */
+	err = bpf_xdp_attach(IFINDEX_LO, dm_fd, XDP_FLAGS_SKB_MODE, NULL);
+	if (!ASSERT_NEQ(err, 0, "Attach of BPF_XDP_DEVMAP program"))
+		bpf_xdp_detach(IFINDEX_LO, XDP_FLAGS_SKB_MODE, NULL);
+
+	val.ifindex = 1;
+	val.bpf_prog.fd = bpf_program__fd(skel->progs.xdp_dummy_prog);
+	err = bpf_map_update_elem(map_fd, &idx, &val, 0);
+	ASSERT_NEQ(err, 0, "Add non-BPF_XDP_DEVMAP program to devmap entry");
+
+	/* Try to attach BPF_XDP program with frags to devmap when we have
+	 * already loaded a BPF_XDP program on the map
+	 */
+	idx = 1;
+	val.ifindex = 1;
+	val.bpf_prog.fd = bpf_program__fd(skel->progs.xdp_dummy_dm_frags);
+	err = bpf_map_update_elem(map_fd, &idx, &val, 0);
+	ASSERT_NEQ(err, 0, "Add BPF_XDP program with frags to devmap entry");
+
+out_close:
+	test_xdp_with_devmap_helpers__destroy(skel);
+}
+
+static void test_neg_xdp_devmap_helpers(void)
+{
+	struct test_xdp_devmap_helpers *skel;
+
+	skel = test_xdp_devmap_helpers__open_and_load();
+	if (!ASSERT_EQ(skel, NULL,
+		    "Load of XDP program accessing egress ifindex without attach type")) {
+		test_xdp_devmap_helpers__destroy(skel);
+	}
+}
+
+static void test_xdp_with_devmap_frags_helpers(void)
+{
+	struct test_xdp_with_devmap_frags_helpers *skel;
+	struct bpf_prog_info info = {};
+	struct bpf_devmap_val val = {
+		.ifindex = IFINDEX_LO,
+	};
+	__u32 len = sizeof(info);
+	int err, dm_fd_frags, map_fd;
+	__u32 idx = 0;
+
+	skel = test_xdp_with_devmap_frags_helpers__open_and_load();
+	if (!ASSERT_OK_PTR(skel, "test_xdp_with_devmap_helpers__open_and_load"))
+		return;
+
+	dm_fd_frags = bpf_program__fd(skel->progs.xdp_dummy_dm_frags);
+	map_fd = bpf_map__fd(skel->maps.dm_ports);
+	err = bpf_obj_get_info_by_fd(dm_fd_frags, &info, &len);
+	if (!ASSERT_OK(err, "bpf_obj_get_info_by_fd"))
+		goto out_close;
+
+	val.bpf_prog.fd = dm_fd_frags;
+	err = bpf_map_update_elem(map_fd, &idx, &val, 0);
+	ASSERT_OK(err, "Add frags program to devmap entry");
+
+	err = bpf_map_lookup_elem(map_fd, &idx, &val);
+	ASSERT_OK(err, "Read devmap entry");
+	ASSERT_EQ(info.id, val.bpf_prog.id,
+		  "Match program id to devmap entry prog_id");
+
+	/* Try to attach BPF_XDP program to devmap when we have
+	 * already loaded a BPF_XDP program with frags on the map
+	 */
+	idx = 1;
+	val.ifindex = 1;
+	val.bpf_prog.fd = bpf_program__fd(skel->progs.xdp_dummy_dm);
+	err = bpf_map_update_elem(map_fd, &idx, &val, 0);
+	ASSERT_NEQ(err, 0, "Add BPF_XDP program to devmap entry");
+
+out_close:
+	test_xdp_with_devmap_frags_helpers__destroy(skel);
+}
+
+void serial_test_xdp_devmap_attach(void)
+{
+	if (test__start_subtest("DEVMAP with programs in entries"))
+		test_xdp_with_devmap_helpers();
+
+	if (test__start_subtest("DEVMAP with frags programs in entries"))
+		test_xdp_with_devmap_frags_helpers();
+
+	if (test__start_subtest("Verifier check of DEVMAP programs"))
+		test_neg_xdp_devmap_helpers();
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/xdp_do_redirect.c b/tools/testing/selftests/bpf/prog_tests/xdp_do_redirect.c
new file mode 100644
index 000000000..15ad33669
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/xdp_do_redirect.c
@@ -0,0 +1,205 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <test_progs.h>
+#include <network_helpers.h>
+#include <net/if.h>
+#include <linux/if_ether.h>
+#include <linux/if_packet.h>
+#include <linux/ipv6.h>
+#include <linux/in6.h>
+#include <linux/udp.h>
+#include <bpf/bpf_endian.h>
+#include "test_xdp_do_redirect.skel.h"
+
+#define SYS(fmt, ...)						\
+	({							\
+		char cmd[1024];					\
+		snprintf(cmd, sizeof(cmd), fmt, ##__VA_ARGS__);	\
+		if (!ASSERT_OK(system(cmd), cmd))		\
+			goto out;				\
+	})
+
+struct udp_packet {
+	struct ethhdr eth;
+	struct ipv6hdr iph;
+	struct udphdr udp;
+	__u8 payload[64 - sizeof(struct udphdr)
+		     - sizeof(struct ethhdr) - sizeof(struct ipv6hdr)];
+} __packed;
+
+static struct udp_packet pkt_udp = {
+	.eth.h_proto = __bpf_constant_htons(ETH_P_IPV6),
+	.eth.h_dest = {0x00, 0x11, 0x22, 0x33, 0x44, 0x55},
+	.eth.h_source = {0x66, 0x77, 0x88, 0x99, 0xaa, 0xbb},
+	.iph.version = 6,
+	.iph.nexthdr = IPPROTO_UDP,
+	.iph.payload_len = bpf_htons(sizeof(struct udp_packet)
+				     - offsetof(struct udp_packet, udp)),
+	.iph.hop_limit = 2,
+	.iph.saddr.s6_addr16 = {bpf_htons(0xfc00), 0, 0, 0, 0, 0, 0, bpf_htons(1)},
+	.iph.daddr.s6_addr16 = {bpf_htons(0xfc00), 0, 0, 0, 0, 0, 0, bpf_htons(2)},
+	.udp.source = bpf_htons(1),
+	.udp.dest = bpf_htons(1),
+	.udp.len = bpf_htons(sizeof(struct udp_packet)
+			     - offsetof(struct udp_packet, udp)),
+	.payload = {0x42}, /* receiver XDP program matches on this */
+};
+
+static int attach_tc_prog(struct bpf_tc_hook *hook, int fd)
+{
+	DECLARE_LIBBPF_OPTS(bpf_tc_opts, opts, .handle = 1, .priority = 1, .prog_fd = fd);
+	int ret;
+
+	ret = bpf_tc_hook_create(hook);
+	if (!ASSERT_OK(ret, "create tc hook"))
+		return ret;
+
+	ret = bpf_tc_attach(hook, &opts);
+	if (!ASSERT_OK(ret, "bpf_tc_attach")) {
+		bpf_tc_hook_destroy(hook);
+		return ret;
+	}
+
+	return 0;
+}
+
+/* The maximum permissible size is: PAGE_SIZE - sizeof(struct xdp_page_head) -
+ * sizeof(struct skb_shared_info) - XDP_PACKET_HEADROOM = 3368 bytes
+ */
+#if defined(__s390x__)
+#define MAX_PKT_SIZE 3176
+#else
+#define MAX_PKT_SIZE 3368
+#endif
+static void test_max_pkt_size(int fd)
+{
+	char data[MAX_PKT_SIZE + 1] = {};
+	int err;
+	DECLARE_LIBBPF_OPTS(bpf_test_run_opts, opts,
+			    .data_in = &data,
+			    .data_size_in = MAX_PKT_SIZE,
+			    .flags = BPF_F_TEST_XDP_LIVE_FRAMES,
+			    .repeat = 1,
+		);
+	err = bpf_prog_test_run_opts(fd, &opts);
+	ASSERT_OK(err, "prog_run_max_size");
+
+	opts.data_size_in += 1;
+	err = bpf_prog_test_run_opts(fd, &opts);
+	ASSERT_EQ(err, -EINVAL, "prog_run_too_big");
+}
+
+#define NUM_PKTS 10000
+void serial_test_xdp_do_redirect(void)
+{
+	int err, xdp_prog_fd, tc_prog_fd, ifindex_src, ifindex_dst;
+	char data[sizeof(pkt_udp) + sizeof(__u32)];
+	struct test_xdp_do_redirect *skel = NULL;
+	struct nstoken *nstoken = NULL;
+	struct bpf_link *link;
+
+	struct xdp_md ctx_in = { .data = sizeof(__u32),
+				 .data_end = sizeof(data) };
+	DECLARE_LIBBPF_OPTS(bpf_test_run_opts, opts,
+			    .data_in = &data,
+			    .data_size_in = sizeof(data),
+			    .ctx_in = &ctx_in,
+			    .ctx_size_in = sizeof(ctx_in),
+			    .flags = BPF_F_TEST_XDP_LIVE_FRAMES,
+			    .repeat = NUM_PKTS,
+			    .batch_size = 64,
+		);
+	DECLARE_LIBBPF_OPTS(bpf_tc_hook, tc_hook,
+			    .attach_point = BPF_TC_INGRESS);
+
+	memcpy(&data[sizeof(__u32)], &pkt_udp, sizeof(pkt_udp));
+	*((__u32 *)data) = 0x42; /* metadata test value */
+
+	skel = test_xdp_do_redirect__open();
+	if (!ASSERT_OK_PTR(skel, "skel"))
+		return;
+
+	/* The XDP program we run with bpf_prog_run() will cycle through all
+	 * three xmit (PASS/TX/REDIRECT) return codes starting from above, and
+	 * ending up with PASS, so we should end up with two packets on the dst
+	 * iface and NUM_PKTS-2 in the TC hook. We match the packets on the UDP
+	 * payload.
+	 */
+	SYS("ip netns add testns");
+	nstoken = open_netns("testns");
+	if (!ASSERT_OK_PTR(nstoken, "setns"))
+		goto out;
+
+	SYS("ip link add veth_src type veth peer name veth_dst");
+	SYS("ip link set dev veth_src address 00:11:22:33:44:55");
+	SYS("ip link set dev veth_dst address 66:77:88:99:aa:bb");
+	SYS("ip link set dev veth_src up");
+	SYS("ip link set dev veth_dst up");
+	SYS("ip addr add dev veth_src fc00::1/64");
+	SYS("ip addr add dev veth_dst fc00::2/64");
+	SYS("ip neigh add fc00::2 dev veth_src lladdr 66:77:88:99:aa:bb");
+
+	/* We enable forwarding in the test namespace because that will cause
+	 * the packets that go through the kernel stack (with XDP_PASS) to be
+	 * forwarded back out the same interface (because of the packet dst
+	 * combined with the interface addresses). When this happens, the
+	 * regular forwarding path will end up going through the same
+	 * veth_xdp_xmit() call as the XDP_REDIRECT code, which can cause a
+	 * deadlock if it happens on the same CPU. There's a local_bh_disable()
+	 * in the test_run code to prevent this, but an earlier version of the
+	 * code didn't have this, so we keep the test behaviour to make sure the
+	 * bug doesn't resurface.
+	 */
+	SYS("sysctl -qw net.ipv6.conf.all.forwarding=1");
+
+	ifindex_src = if_nametoindex("veth_src");
+	ifindex_dst = if_nametoindex("veth_dst");
+	if (!ASSERT_NEQ(ifindex_src, 0, "ifindex_src") ||
+	    !ASSERT_NEQ(ifindex_dst, 0, "ifindex_dst"))
+		goto out;
+
+	memcpy(skel->rodata->expect_dst, &pkt_udp.eth.h_dest, ETH_ALEN);
+	skel->rodata->ifindex_out = ifindex_src; /* redirect back to the same iface */
+	skel->rodata->ifindex_in = ifindex_src;
+	ctx_in.ingress_ifindex = ifindex_src;
+	tc_hook.ifindex = ifindex_src;
+
+	if (!ASSERT_OK(test_xdp_do_redirect__load(skel), "load"))
+		goto out;
+
+	link = bpf_program__attach_xdp(skel->progs.xdp_count_pkts, ifindex_dst);
+	if (!ASSERT_OK_PTR(link, "prog_attach"))
+		goto out;
+	skel->links.xdp_count_pkts = link;
+
+	tc_prog_fd = bpf_program__fd(skel->progs.tc_count_pkts);
+	if (attach_tc_prog(&tc_hook, tc_prog_fd))
+		goto out;
+
+	xdp_prog_fd = bpf_program__fd(skel->progs.xdp_redirect);
+	err = bpf_prog_test_run_opts(xdp_prog_fd, &opts);
+	if (!ASSERT_OK(err, "prog_run"))
+		goto out_tc;
+
+	/* wait for the packets to be flushed */
+	kern_sync_rcu();
+
+	/* There will be one packet sent through XDP_REDIRECT and one through
+	 * XDP_TX; these will show up on the XDP counting program, while the
+	 * rest will be counted at the TC ingress hook (and the counting program
+	 * resets the packet payload so they don't get counted twice even though
+	 * they are re-xmited out the veth device
+	 */
+	ASSERT_EQ(skel->bss->pkts_seen_xdp, 2, "pkt_count_xdp");
+	ASSERT_EQ(skel->bss->pkts_seen_zero, 2, "pkt_count_zero");
+	ASSERT_EQ(skel->bss->pkts_seen_tc, NUM_PKTS - 2, "pkt_count_tc");
+
+	test_max_pkt_size(bpf_program__fd(skel->progs.xdp_count_pkts));
+
+out_tc:
+	bpf_tc_hook_destroy(&tc_hook);
+out:
+	if (nstoken)
+		close_netns(nstoken);
+	system("ip netns del testns");
+	test_xdp_do_redirect__destroy(skel);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/xdp_info.c b/tools/testing/selftests/bpf/prog_tests/xdp_info.c
new file mode 100644
index 000000000..cd3aa340e
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/xdp_info.c
@@ -0,0 +1,68 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <linux/if_link.h>
+#include <test_progs.h>
+
+#define IFINDEX_LO 1
+
+void serial_test_xdp_info(void)
+{
+	__u32 len = sizeof(struct bpf_prog_info), duration = 0, prog_id;
+	const char *file = "./xdp_dummy.bpf.o";
+	struct bpf_prog_info info = {};
+	struct bpf_object *obj;
+	int err, prog_fd;
+
+	/* Get prog_id for XDP_ATTACHED_NONE mode */
+
+	err = bpf_xdp_query_id(IFINDEX_LO, 0, &prog_id);
+	if (CHECK(err, "get_xdp_none", "errno=%d\n", errno))
+		return;
+	if (CHECK(prog_id, "prog_id_none", "unexpected prog_id=%u\n", prog_id))
+		return;
+
+	err = bpf_xdp_query_id(IFINDEX_LO, XDP_FLAGS_SKB_MODE, &prog_id);
+	if (CHECK(err, "get_xdp_none_skb", "errno=%d\n", errno))
+		return;
+	if (CHECK(prog_id, "prog_id_none_skb", "unexpected prog_id=%u\n",
+		  prog_id))
+		return;
+
+	/* Setup prog */
+
+	err = bpf_prog_test_load(file, BPF_PROG_TYPE_XDP, &obj, &prog_fd);
+	if (CHECK_FAIL(err))
+		return;
+
+	err = bpf_obj_get_info_by_fd(prog_fd, &info, &len);
+	if (CHECK(err, "get_prog_info", "errno=%d\n", errno))
+		goto out_close;
+
+	err = bpf_xdp_attach(IFINDEX_LO, prog_fd, XDP_FLAGS_SKB_MODE, NULL);
+	if (CHECK(err, "set_xdp_skb", "errno=%d\n", errno))
+		goto out_close;
+
+	/* Get prog_id for single prog mode */
+
+	err = bpf_xdp_query_id(IFINDEX_LO, 0, &prog_id);
+	if (CHECK(err, "get_xdp", "errno=%d\n", errno))
+		goto out;
+	if (CHECK(prog_id != info.id, "prog_id", "prog_id not available\n"))
+		goto out;
+
+	err = bpf_xdp_query_id(IFINDEX_LO, XDP_FLAGS_SKB_MODE, &prog_id);
+	if (CHECK(err, "get_xdp_skb", "errno=%d\n", errno))
+		goto out;
+	if (CHECK(prog_id != info.id, "prog_id_skb", "prog_id not available\n"))
+		goto out;
+
+	err = bpf_xdp_query_id(IFINDEX_LO, XDP_FLAGS_DRV_MODE, &prog_id);
+	if (CHECK(err, "get_xdp_drv", "errno=%d\n", errno))
+		goto out;
+	if (CHECK(prog_id, "prog_id_drv", "unexpected prog_id=%u\n", prog_id))
+		goto out;
+
+out:
+	bpf_xdp_detach(IFINDEX_LO, 0, NULL);
+out_close:
+	bpf_object__close(obj);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/xdp_link.c b/tools/testing/selftests/bpf/prog_tests/xdp_link.c
new file mode 100644
index 000000000..3e9d5c552
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/xdp_link.c
@@ -0,0 +1,150 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2020 Facebook */
+#include <uapi/linux/if_link.h>
+#include <test_progs.h>
+#include "test_xdp_link.skel.h"
+
+#define IFINDEX_LO 1
+
+void serial_test_xdp_link(void)
+{
+	struct test_xdp_link *skel1 = NULL, *skel2 = NULL;
+	__u32 id1, id2, id0 = 0, prog_fd1, prog_fd2;
+	LIBBPF_OPTS(bpf_xdp_attach_opts, opts);
+	struct bpf_link_info link_info;
+	struct bpf_prog_info prog_info;
+	struct bpf_link *link;
+	int err;
+	__u32 link_info_len = sizeof(link_info);
+	__u32 prog_info_len = sizeof(prog_info);
+
+	skel1 = test_xdp_link__open_and_load();
+	if (!ASSERT_OK_PTR(skel1, "skel_load"))
+		goto cleanup;
+	prog_fd1 = bpf_program__fd(skel1->progs.xdp_handler);
+
+	skel2 = test_xdp_link__open_and_load();
+	if (!ASSERT_OK_PTR(skel2, "skel_load"))
+		goto cleanup;
+	prog_fd2 = bpf_program__fd(skel2->progs.xdp_handler);
+
+	memset(&prog_info, 0, sizeof(prog_info));
+	err = bpf_obj_get_info_by_fd(prog_fd1, &prog_info, &prog_info_len);
+	if (!ASSERT_OK(err, "fd_info1"))
+		goto cleanup;
+	id1 = prog_info.id;
+
+	memset(&prog_info, 0, sizeof(prog_info));
+	err = bpf_obj_get_info_by_fd(prog_fd2, &prog_info, &prog_info_len);
+	if (!ASSERT_OK(err, "fd_info2"))
+		goto cleanup;
+	id2 = prog_info.id;
+
+	/* set initial prog attachment */
+	err = bpf_xdp_attach(IFINDEX_LO, prog_fd1, XDP_FLAGS_REPLACE, &opts);
+	if (!ASSERT_OK(err, "fd_attach"))
+		goto cleanup;
+
+	/* validate prog ID */
+	err = bpf_xdp_query_id(IFINDEX_LO, 0, &id0);
+	if (!ASSERT_OK(err, "id1_check_err") || !ASSERT_EQ(id0, id1, "id1_check_val"))
+		goto cleanup;
+
+	/* BPF link is not allowed to replace prog attachment */
+	link = bpf_program__attach_xdp(skel1->progs.xdp_handler, IFINDEX_LO);
+	if (!ASSERT_ERR_PTR(link, "link_attach_should_fail")) {
+		bpf_link__destroy(link);
+		/* best-effort detach prog */
+		opts.old_prog_fd = prog_fd1;
+		bpf_xdp_detach(IFINDEX_LO, XDP_FLAGS_REPLACE, &opts);
+		goto cleanup;
+	}
+
+	/* detach BPF program */
+	opts.old_prog_fd = prog_fd1;
+	err = bpf_xdp_detach(IFINDEX_LO, XDP_FLAGS_REPLACE, &opts);
+	if (!ASSERT_OK(err, "prog_detach"))
+		goto cleanup;
+
+	/* now BPF link should attach successfully */
+	link = bpf_program__attach_xdp(skel1->progs.xdp_handler, IFINDEX_LO);
+	if (!ASSERT_OK_PTR(link, "link_attach"))
+		goto cleanup;
+	skel1->links.xdp_handler = link;
+
+	/* validate prog ID */
+	err = bpf_xdp_query_id(IFINDEX_LO, 0, &id0);
+	if (!ASSERT_OK(err, "id1_check_err") || !ASSERT_EQ(id0, id1, "id1_check_val"))
+		goto cleanup;
+
+	/* BPF prog attach is not allowed to replace BPF link */
+	opts.old_prog_fd = prog_fd1;
+	err = bpf_xdp_attach(IFINDEX_LO, prog_fd2, XDP_FLAGS_REPLACE, &opts);
+	if (!ASSERT_ERR(err, "prog_attach_fail"))
+		goto cleanup;
+
+	/* Can't force-update when BPF link is active */
+	err = bpf_xdp_attach(IFINDEX_LO, prog_fd2, 0, NULL);
+	if (!ASSERT_ERR(err, "prog_update_fail"))
+		goto cleanup;
+
+	/* Can't force-detach when BPF link is active */
+	err = bpf_xdp_detach(IFINDEX_LO, 0, NULL);
+	if (!ASSERT_ERR(err, "prog_detach_fail"))
+		goto cleanup;
+
+	/* BPF link is not allowed to replace another BPF link */
+	link = bpf_program__attach_xdp(skel2->progs.xdp_handler, IFINDEX_LO);
+	if (!ASSERT_ERR_PTR(link, "link_attach_should_fail")) {
+		bpf_link__destroy(link);
+		goto cleanup;
+	}
+
+	bpf_link__destroy(skel1->links.xdp_handler);
+	skel1->links.xdp_handler = NULL;
+
+	/* new link attach should succeed */
+	link = bpf_program__attach_xdp(skel2->progs.xdp_handler, IFINDEX_LO);
+	if (!ASSERT_OK_PTR(link, "link_attach"))
+		goto cleanup;
+	skel2->links.xdp_handler = link;
+
+	err = bpf_xdp_query_id(IFINDEX_LO, 0, &id0);
+	if (!ASSERT_OK(err, "id2_check_err") || !ASSERT_EQ(id0, id2, "id2_check_val"))
+		goto cleanup;
+
+	/* updating program under active BPF link works as expected */
+	err = bpf_link__update_program(link, skel1->progs.xdp_handler);
+	if (!ASSERT_OK(err, "link_upd"))
+		goto cleanup;
+
+	memset(&link_info, 0, sizeof(link_info));
+	err = bpf_obj_get_info_by_fd(bpf_link__fd(link), &link_info, &link_info_len);
+	if (!ASSERT_OK(err, "link_info"))
+		goto cleanup;
+
+	ASSERT_EQ(link_info.type, BPF_LINK_TYPE_XDP, "link_type");
+	ASSERT_EQ(link_info.prog_id, id1, "link_prog_id");
+	ASSERT_EQ(link_info.xdp.ifindex, IFINDEX_LO, "link_ifindex");
+
+	/* updating program under active BPF link with different type fails */
+	err = bpf_link__update_program(link, skel1->progs.tc_handler);
+	if (!ASSERT_ERR(err, "link_upd_invalid"))
+		goto cleanup;
+
+	err = bpf_link__detach(link);
+	if (!ASSERT_OK(err, "link_detach"))
+		goto cleanup;
+
+	memset(&link_info, 0, sizeof(link_info));
+	err = bpf_obj_get_info_by_fd(bpf_link__fd(link), &link_info, &link_info_len);
+
+	ASSERT_OK(err, "link_info");
+	ASSERT_EQ(link_info.prog_id, id1, "link_prog_id");
+	/* ifindex should be zeroed out */
+	ASSERT_EQ(link_info.xdp.ifindex, 0, "link_ifindex");
+
+cleanup:
+	test_xdp_link__destroy(skel1);
+	test_xdp_link__destroy(skel2);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/xdp_noinline.c b/tools/testing/selftests/bpf/prog_tests/xdp_noinline.c
new file mode 100644
index 000000000..92ef0aa50
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/xdp_noinline.c
@@ -0,0 +1,73 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <test_progs.h>
+#include <network_helpers.h>
+#include "test_xdp_noinline.skel.h"
+
+void test_xdp_noinline(void)
+{
+	unsigned int nr_cpus = bpf_num_possible_cpus();
+	struct test_xdp_noinline *skel;
+	struct vip key = {.protocol = 6};
+	struct vip_meta {
+		__u32 flags;
+		__u32 vip_num;
+	} value = {.vip_num = VIP_NUM};
+	__u32 stats_key = VIP_NUM;
+	struct vip_stats {
+		__u64 bytes;
+		__u64 pkts;
+	} stats[nr_cpus];
+	struct real_definition {
+		union {
+			__be32 dst;
+			__be32 dstv6[4];
+		};
+		__u8 flags;
+	} real_def = {.dst = MAGIC_VAL};
+	__u32 ch_key = 11, real_num = 3;
+	int err, i;
+	__u64 bytes = 0, pkts = 0;
+	char buf[128];
+	u32 *magic = (u32 *)buf;
+	LIBBPF_OPTS(bpf_test_run_opts, topts,
+		.data_in = &pkt_v4,
+		.data_size_in = sizeof(pkt_v4),
+		.data_out = buf,
+		.data_size_out = sizeof(buf),
+		.repeat = NUM_ITER,
+	);
+
+	skel = test_xdp_noinline__open_and_load();
+	if (!ASSERT_OK_PTR(skel, "skel_open_and_load"))
+		return;
+
+	bpf_map_update_elem(bpf_map__fd(skel->maps.vip_map), &key, &value, 0);
+	bpf_map_update_elem(bpf_map__fd(skel->maps.ch_rings), &ch_key, &real_num, 0);
+	bpf_map_update_elem(bpf_map__fd(skel->maps.reals), &real_num, &real_def, 0);
+
+	err = bpf_prog_test_run_opts(bpf_program__fd(skel->progs.balancer_ingress_v4), &topts);
+	ASSERT_OK(err, "ipv4 test_run");
+	ASSERT_EQ(topts.retval, 1, "ipv4 test_run retval");
+	ASSERT_EQ(topts.data_size_out, 54, "ipv4 test_run data_size_out");
+	ASSERT_EQ(*magic, MAGIC_VAL, "ipv4 test_run magic");
+
+	topts.data_in = &pkt_v6;
+	topts.data_size_in = sizeof(pkt_v6);
+	topts.data_out = buf;
+	topts.data_size_out = sizeof(buf);
+
+	err = bpf_prog_test_run_opts(bpf_program__fd(skel->progs.balancer_ingress_v6), &topts);
+	ASSERT_OK(err, "ipv6 test_run");
+	ASSERT_EQ(topts.retval, 1, "ipv6 test_run retval");
+	ASSERT_EQ(topts.data_size_out, 74, "ipv6 test_run data_size_out");
+	ASSERT_EQ(*magic, MAGIC_VAL, "ipv6 test_run magic");
+
+	bpf_map_lookup_elem(bpf_map__fd(skel->maps.stats), &stats_key, stats);
+	for (i = 0; i < nr_cpus; i++) {
+		bytes += stats[i].bytes;
+		pkts += stats[i].pkts;
+	}
+	ASSERT_EQ(bytes, MAGIC_BYTES * NUM_ITER * 2, "stats bytes");
+	ASSERT_EQ(pkts, NUM_ITER * 2, "stats pkts");
+	test_xdp_noinline__destroy(skel);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/xdp_perf.c b/tools/testing/selftests/bpf/prog_tests/xdp_perf.c
new file mode 100644
index 000000000..ec5369f24
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/xdp_perf.c
@@ -0,0 +1,28 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <test_progs.h>
+
+void test_xdp_perf(void)
+{
+	const char *file = "./xdp_dummy.bpf.o";
+	struct bpf_object *obj;
+	char in[128], out[128];
+	int err, prog_fd;
+	LIBBPF_OPTS(bpf_test_run_opts, topts,
+		.data_in = in,
+		.data_size_in = sizeof(in),
+		.data_out = out,
+		.data_size_out = sizeof(out),
+		.repeat = 1000000,
+	);
+
+	err = bpf_prog_test_load(file, BPF_PROG_TYPE_XDP, &obj, &prog_fd);
+	if (CHECK_FAIL(err))
+		return;
+
+	err = bpf_prog_test_run_opts(prog_fd, &topts);
+	ASSERT_OK(err, "test_run");
+	ASSERT_EQ(topts.retval, XDP_PASS, "test_run retval");
+	ASSERT_EQ(topts.data_size_out, 128, "test_run data_size_out");
+
+	bpf_object__close(obj);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/xdp_synproxy.c b/tools/testing/selftests/bpf/prog_tests/xdp_synproxy.c
new file mode 100644
index 000000000..879f5da2f
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/xdp_synproxy.c
@@ -0,0 +1,183 @@
+// SPDX-License-Identifier: LGPL-2.1 OR BSD-2-Clause
+/* Copyright (c) 2022, NVIDIA CORPORATION & AFFILIATES. All rights reserved. */
+
+#define _GNU_SOURCE
+#include <test_progs.h>
+#include <network_helpers.h>
+#include <ctype.h>
+
+#define CMD_OUT_BUF_SIZE 1023
+
+#define SYS(cmd) ({ \
+	if (!ASSERT_OK(system(cmd), (cmd))) \
+		goto out; \
+})
+
+#define SYS_OUT(cmd, ...) ({ \
+	char buf[1024]; \
+	snprintf(buf, sizeof(buf), (cmd), ##__VA_ARGS__); \
+	FILE *f = popen(buf, "r"); \
+	if (!ASSERT_OK_PTR(f, buf)) \
+		goto out; \
+	f; \
+})
+
+/* out must be at least `size * 4 + 1` bytes long */
+static void escape_str(char *out, const char *in, size_t size)
+{
+	static const char *hex = "0123456789ABCDEF";
+	size_t i;
+
+	for (i = 0; i < size; i++) {
+		if (isprint(in[i]) && in[i] != '\\' && in[i] != '\'') {
+			*out++ = in[i];
+		} else {
+			*out++ = '\\';
+			*out++ = 'x';
+			*out++ = hex[(in[i] >> 4) & 0xf];
+			*out++ = hex[in[i] & 0xf];
+		}
+	}
+	*out++ = '\0';
+}
+
+static bool expect_str(char *buf, size_t size, const char *str, const char *name)
+{
+	static char escbuf_expected[CMD_OUT_BUF_SIZE * 4];
+	static char escbuf_actual[CMD_OUT_BUF_SIZE * 4];
+	static int duration = 0;
+	bool ok;
+
+	ok = size == strlen(str) && !memcmp(buf, str, size);
+
+	if (!ok) {
+		escape_str(escbuf_expected, str, strlen(str));
+		escape_str(escbuf_actual, buf, size);
+	}
+	CHECK(!ok, name, "unexpected %s: actual '%s' != expected '%s'\n",
+	      name, escbuf_actual, escbuf_expected);
+
+	return ok;
+}
+
+static void test_synproxy(bool xdp)
+{
+	int server_fd = -1, client_fd = -1, accept_fd = -1;
+	char *prog_id = NULL, *prog_id_end;
+	struct nstoken *ns = NULL;
+	FILE *ctrl_file = NULL;
+	char buf[CMD_OUT_BUF_SIZE];
+	size_t size;
+
+	SYS("ip netns add synproxy");
+
+	SYS("ip link add tmp0 type veth peer name tmp1");
+	SYS("ip link set tmp1 netns synproxy");
+	SYS("ip link set tmp0 up");
+	SYS("ip addr replace 198.18.0.1/24 dev tmp0");
+
+	/* When checksum offload is enabled, the XDP program sees wrong
+	 * checksums and drops packets.
+	 */
+	SYS("ethtool -K tmp0 tx off");
+	if (xdp)
+		/* Workaround required for veth. */
+		SYS("ip link set tmp0 xdp object xdp_dummy.bpf.o section xdp 2> /dev/null");
+
+	ns = open_netns("synproxy");
+	if (!ASSERT_OK_PTR(ns, "setns"))
+		goto out;
+
+	SYS("ip link set lo up");
+	SYS("ip link set tmp1 up");
+	SYS("ip addr replace 198.18.0.2/24 dev tmp1");
+	SYS("sysctl -w net.ipv4.tcp_syncookies=2");
+	SYS("sysctl -w net.ipv4.tcp_timestamps=1");
+	SYS("sysctl -w net.netfilter.nf_conntrack_tcp_loose=0");
+	SYS("iptables -t raw -I PREROUTING \
+	    -i tmp1 -p tcp -m tcp --syn --dport 8080 -j CT --notrack");
+	SYS("iptables -t filter -A INPUT \
+	    -i tmp1 -p tcp -m tcp --dport 8080 -m state --state INVALID,UNTRACKED \
+	    -j SYNPROXY --sack-perm --timestamp --wscale 7 --mss 1460");
+	SYS("iptables -t filter -A INPUT \
+	    -i tmp1 -m state --state INVALID -j DROP");
+
+	ctrl_file = SYS_OUT("./xdp_synproxy --iface tmp1 --ports 8080 \
+			    --single --mss4 1460 --mss6 1440 \
+			    --wscale 7 --ttl 64%s", xdp ? "" : " --tc");
+	size = fread(buf, 1, sizeof(buf), ctrl_file);
+	pclose(ctrl_file);
+	if (!expect_str(buf, size, "Total SYNACKs generated: 0\n",
+			"initial SYNACKs"))
+		goto out;
+
+	if (!xdp) {
+		ctrl_file = SYS_OUT("tc filter show dev tmp1 ingress");
+		size = fread(buf, 1, sizeof(buf), ctrl_file);
+		pclose(ctrl_file);
+		prog_id = memmem(buf, size, " id ", 4);
+		if (!ASSERT_OK_PTR(prog_id, "find prog id"))
+			goto out;
+		prog_id += 4;
+		if (!ASSERT_LT(prog_id, buf + size, "find prog id begin"))
+			goto out;
+		prog_id_end = prog_id;
+		while (prog_id_end < buf + size && *prog_id_end >= '0' &&
+		       *prog_id_end <= '9')
+			prog_id_end++;
+		if (!ASSERT_LT(prog_id_end, buf + size, "find prog id end"))
+			goto out;
+		*prog_id_end = '\0';
+	}
+
+	server_fd = start_server(AF_INET, SOCK_STREAM, "198.18.0.2", 8080, 0);
+	if (!ASSERT_GE(server_fd, 0, "start_server"))
+		goto out;
+
+	close_netns(ns);
+	ns = NULL;
+
+	client_fd = connect_to_fd(server_fd, 10000);
+	if (!ASSERT_GE(client_fd, 0, "connect_to_fd"))
+		goto out;
+
+	accept_fd = accept(server_fd, NULL, NULL);
+	if (!ASSERT_GE(accept_fd, 0, "accept"))
+		goto out;
+
+	ns = open_netns("synproxy");
+	if (!ASSERT_OK_PTR(ns, "setns"))
+		goto out;
+
+	if (xdp)
+		ctrl_file = SYS_OUT("./xdp_synproxy --iface tmp1 --single");
+	else
+		ctrl_file = SYS_OUT("./xdp_synproxy --prog %s --single",
+				    prog_id);
+	size = fread(buf, 1, sizeof(buf), ctrl_file);
+	pclose(ctrl_file);
+	if (!expect_str(buf, size, "Total SYNACKs generated: 1\n",
+			"SYNACKs after connection"))
+		goto out;
+
+out:
+	if (accept_fd >= 0)
+		close(accept_fd);
+	if (client_fd >= 0)
+		close(client_fd);
+	if (server_fd >= 0)
+		close(server_fd);
+	if (ns)
+		close_netns(ns);
+
+	system("ip link del tmp0");
+	system("ip netns del synproxy");
+}
+
+void serial_test_xdp_synproxy(void)
+{
+	if (test__start_subtest("xdp"))
+		test_synproxy(true);
+	if (test__start_subtest("tc"))
+		test_synproxy(false);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/xdpwall.c b/tools/testing/selftests/bpf/prog_tests/xdpwall.c
new file mode 100644
index 000000000..f3927829a
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/xdpwall.c
@@ -0,0 +1,15 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2021 Facebook */
+
+#include "test_progs.h"
+#include "xdpwall.skel.h"
+
+void test_xdpwall(void)
+{
+	struct xdpwall *skel;
+
+	skel = xdpwall__open_and_load();
+	ASSERT_OK_PTR(skel, "Does LLMV have https://reviews.llvm.org/D109073?");
+
+	xdpwall__destroy(skel);
+}
diff --git a/tools/testing/selftests/bpf/progs/atomic_bounds.c b/tools/testing/selftests/bpf/progs/atomic_bounds.c
new file mode 100644
index 000000000..e5fff7fc7
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/atomic_bounds.c
@@ -0,0 +1,24 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <linux/bpf.h>
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_tracing.h>
+#include <stdbool.h>
+
+#ifdef ENABLE_ATOMICS_TESTS
+bool skip_tests __attribute((__section__(".data"))) = false;
+#else
+bool skip_tests = true;
+#endif
+
+SEC("fentry/bpf_fentry_test1")
+int BPF_PROG(sub, int x)
+{
+#ifdef ENABLE_ATOMICS_TESTS
+	int a = 0;
+	int b = __sync_fetch_and_add(&a, 1);
+	/* b is certainly 0 here. Can the verifier tell? */
+	while (b)
+		continue;
+#endif
+	return 0;
+}
diff --git a/tools/testing/selftests/bpf/progs/atomics.c b/tools/testing/selftests/bpf/progs/atomics.c
new file mode 100644
index 000000000..f89c7f0cc
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/atomics.c
@@ -0,0 +1,170 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <linux/bpf.h>
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_tracing.h>
+#include <stdbool.h>
+
+#ifdef ENABLE_ATOMICS_TESTS
+bool skip_tests __attribute((__section__(".data"))) = false;
+#else
+bool skip_tests = true;
+#endif
+
+__u32 pid = 0;
+
+__u64 add64_value = 1;
+__u64 add64_result = 0;
+__u32 add32_value = 1;
+__u32 add32_result = 0;
+__u64 add_stack_value_copy = 0;
+__u64 add_stack_result = 0;
+__u64 add_noreturn_value = 1;
+
+SEC("raw_tp/sys_enter")
+int add(const void *ctx)
+{
+	if (pid != (bpf_get_current_pid_tgid() >> 32))
+		return 0;
+#ifdef ENABLE_ATOMICS_TESTS
+	__u64 add_stack_value = 1;
+
+	add64_result = __sync_fetch_and_add(&add64_value, 2);
+	add32_result = __sync_fetch_and_add(&add32_value, 2);
+	add_stack_result = __sync_fetch_and_add(&add_stack_value, 2);
+	add_stack_value_copy = add_stack_value;
+	__sync_fetch_and_add(&add_noreturn_value, 2);
+#endif
+
+	return 0;
+}
+
+__s64 sub64_value = 1;
+__s64 sub64_result = 0;
+__s32 sub32_value = 1;
+__s32 sub32_result = 0;
+__s64 sub_stack_value_copy = 0;
+__s64 sub_stack_result = 0;
+__s64 sub_noreturn_value = 1;
+
+SEC("raw_tp/sys_enter")
+int sub(const void *ctx)
+{
+	if (pid != (bpf_get_current_pid_tgid() >> 32))
+		return 0;
+#ifdef ENABLE_ATOMICS_TESTS
+	__u64 sub_stack_value = 1;
+
+	sub64_result = __sync_fetch_and_sub(&sub64_value, 2);
+	sub32_result = __sync_fetch_and_sub(&sub32_value, 2);
+	sub_stack_result = __sync_fetch_and_sub(&sub_stack_value, 2);
+	sub_stack_value_copy = sub_stack_value;
+	__sync_fetch_and_sub(&sub_noreturn_value, 2);
+#endif
+
+	return 0;
+}
+
+__u64 and64_value = (0x110ull << 32);
+__u64 and64_result = 0;
+__u32 and32_value = 0x110;
+__u32 and32_result = 0;
+__u64 and_noreturn_value = (0x110ull << 32);
+
+SEC("raw_tp/sys_enter")
+int and(const void *ctx)
+{
+	if (pid != (bpf_get_current_pid_tgid() >> 32))
+		return 0;
+#ifdef ENABLE_ATOMICS_TESTS
+
+	and64_result = __sync_fetch_and_and(&and64_value, 0x011ull << 32);
+	and32_result = __sync_fetch_and_and(&and32_value, 0x011);
+	__sync_fetch_and_and(&and_noreturn_value, 0x011ull << 32);
+#endif
+
+	return 0;
+}
+
+__u64 or64_value = (0x110ull << 32);
+__u64 or64_result = 0;
+__u32 or32_value = 0x110;
+__u32 or32_result = 0;
+__u64 or_noreturn_value = (0x110ull << 32);
+
+SEC("raw_tp/sys_enter")
+int or(const void *ctx)
+{
+	if (pid != (bpf_get_current_pid_tgid() >> 32))
+		return 0;
+#ifdef ENABLE_ATOMICS_TESTS
+	or64_result = __sync_fetch_and_or(&or64_value, 0x011ull << 32);
+	or32_result = __sync_fetch_and_or(&or32_value, 0x011);
+	__sync_fetch_and_or(&or_noreturn_value, 0x011ull << 32);
+#endif
+
+	return 0;
+}
+
+__u64 xor64_value = (0x110ull << 32);
+__u64 xor64_result = 0;
+__u32 xor32_value = 0x110;
+__u32 xor32_result = 0;
+__u64 xor_noreturn_value = (0x110ull << 32);
+
+SEC("raw_tp/sys_enter")
+int xor(const void *ctx)
+{
+	if (pid != (bpf_get_current_pid_tgid() >> 32))
+		return 0;
+#ifdef ENABLE_ATOMICS_TESTS
+	xor64_result = __sync_fetch_and_xor(&xor64_value, 0x011ull << 32);
+	xor32_result = __sync_fetch_and_xor(&xor32_value, 0x011);
+	__sync_fetch_and_xor(&xor_noreturn_value, 0x011ull << 32);
+#endif
+
+	return 0;
+}
+
+__u64 cmpxchg64_value = 1;
+__u64 cmpxchg64_result_fail = 0;
+__u64 cmpxchg64_result_succeed = 0;
+__u32 cmpxchg32_value = 1;
+__u32 cmpxchg32_result_fail = 0;
+__u32 cmpxchg32_result_succeed = 0;
+
+SEC("raw_tp/sys_enter")
+int cmpxchg(const void *ctx)
+{
+	if (pid != (bpf_get_current_pid_tgid() >> 32))
+		return 0;
+#ifdef ENABLE_ATOMICS_TESTS
+	cmpxchg64_result_fail = __sync_val_compare_and_swap(&cmpxchg64_value, 0, 3);
+	cmpxchg64_result_succeed = __sync_val_compare_and_swap(&cmpxchg64_value, 1, 2);
+
+	cmpxchg32_result_fail = __sync_val_compare_and_swap(&cmpxchg32_value, 0, 3);
+	cmpxchg32_result_succeed = __sync_val_compare_and_swap(&cmpxchg32_value, 1, 2);
+#endif
+
+	return 0;
+}
+
+__u64 xchg64_value = 1;
+__u64 xchg64_result = 0;
+__u32 xchg32_value = 1;
+__u32 xchg32_result = 0;
+
+SEC("raw_tp/sys_enter")
+int xchg(const void *ctx)
+{
+	if (pid != (bpf_get_current_pid_tgid() >> 32))
+		return 0;
+#ifdef ENABLE_ATOMICS_TESTS
+	__u64 val64 = 2;
+	__u32 val32 = 2;
+
+	xchg64_result = __sync_lock_test_and_set(&xchg64_value, val64);
+	xchg32_result = __sync_lock_test_and_set(&xchg32_value, val32);
+#endif
+
+	return 0;
+}
diff --git a/tools/testing/selftests/bpf/progs/bind4_prog.c b/tools/testing/selftests/bpf/progs/bind4_prog.c
new file mode 100644
index 000000000..a487f60b7
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/bind4_prog.c
@@ -0,0 +1,159 @@
+// SPDX-License-Identifier: GPL-2.0
+
+#include <string.h>
+
+#include <linux/stddef.h>
+#include <linux/bpf.h>
+#include <linux/in.h>
+#include <linux/in6.h>
+#include <linux/if.h>
+#include <errno.h>
+
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_endian.h>
+
+#define SERV4_IP		0xc0a801feU /* 192.168.1.254 */
+#define SERV4_PORT		4040
+#define SERV4_REWRITE_IP	0x7f000001U /* 127.0.0.1 */
+#define SERV4_REWRITE_PORT	4444
+
+#ifndef IFNAMSIZ
+#define IFNAMSIZ 16
+#endif
+
+static __inline int bind_to_device(struct bpf_sock_addr *ctx)
+{
+	char veth1[IFNAMSIZ] = "test_sock_addr1";
+	char veth2[IFNAMSIZ] = "test_sock_addr2";
+	char missing[IFNAMSIZ] = "nonexistent_dev";
+	char del_bind[IFNAMSIZ] = "";
+	int veth1_idx, veth2_idx;
+
+	if (bpf_setsockopt(ctx, SOL_SOCKET, SO_BINDTODEVICE,
+			   &veth1, sizeof(veth1)))
+		return 1;
+	if (bpf_getsockopt(ctx, SOL_SOCKET, SO_BINDTOIFINDEX,
+			   &veth1_idx, sizeof(veth1_idx)) || !veth1_idx)
+		return 1;
+	if (bpf_setsockopt(ctx, SOL_SOCKET, SO_BINDTODEVICE,
+			   &veth2, sizeof(veth2)))
+		return 1;
+	if (bpf_getsockopt(ctx, SOL_SOCKET, SO_BINDTOIFINDEX,
+			   &veth2_idx, sizeof(veth2_idx)) || !veth2_idx ||
+	    veth1_idx == veth2_idx)
+		return 1;
+	if (bpf_setsockopt(ctx, SOL_SOCKET, SO_BINDTODEVICE,
+			   &missing, sizeof(missing)) != -ENODEV)
+		return 1;
+	if (bpf_setsockopt(ctx, SOL_SOCKET, SO_BINDTOIFINDEX,
+			   &veth1_idx, sizeof(veth1_idx)))
+		return 1;
+	if (bpf_setsockopt(ctx, SOL_SOCKET, SO_BINDTODEVICE,
+			   &del_bind, sizeof(del_bind)))
+		return 1;
+
+	return 0;
+}
+
+static __inline int bind_reuseport(struct bpf_sock_addr *ctx)
+{
+	int val = 1;
+
+	if (bpf_setsockopt(ctx, SOL_SOCKET, SO_REUSEPORT,
+			   &val, sizeof(val)))
+		return 1;
+	if (bpf_getsockopt(ctx, SOL_SOCKET, SO_REUSEPORT,
+			   &val, sizeof(val)) || !val)
+		return 1;
+	val = 0;
+	if (bpf_setsockopt(ctx, SOL_SOCKET, SO_REUSEPORT,
+			   &val, sizeof(val)))
+		return 1;
+	if (bpf_getsockopt(ctx, SOL_SOCKET, SO_REUSEPORT,
+			   &val, sizeof(val)) || val)
+		return 1;
+
+	return 0;
+}
+
+static __inline int misc_opts(struct bpf_sock_addr *ctx, int opt)
+{
+	int old, tmp, new = 0xeb9f;
+
+	/* Socket in test case has guarantee that old never equals to new. */
+	if (bpf_getsockopt(ctx, SOL_SOCKET, opt, &old, sizeof(old)) ||
+	    old == new)
+		return 1;
+	if (bpf_setsockopt(ctx, SOL_SOCKET, opt, &new, sizeof(new)))
+		return 1;
+	if (bpf_getsockopt(ctx, SOL_SOCKET, opt, &tmp, sizeof(tmp)) ||
+	    tmp != new)
+		return 1;
+	if (bpf_setsockopt(ctx, SOL_SOCKET, opt, &old, sizeof(old)))
+		return 1;
+
+	return 0;
+}
+
+SEC("cgroup/bind4")
+int bind_v4_prog(struct bpf_sock_addr *ctx)
+{
+	struct bpf_sock *sk;
+	__u32 user_ip4;
+	__u16 user_port;
+
+	sk = ctx->sk;
+	if (!sk)
+		return 0;
+
+	if (sk->family != AF_INET)
+		return 0;
+
+	if (ctx->type != SOCK_STREAM && ctx->type != SOCK_DGRAM)
+		return 0;
+
+	if (ctx->user_ip4 != bpf_htonl(SERV4_IP) ||
+	    ctx->user_port != bpf_htons(SERV4_PORT))
+		return 0;
+
+	// u8 narrow loads:
+	user_ip4 = 0;
+	user_ip4 |= ((volatile __u8 *)&ctx->user_ip4)[0] << 0;
+	user_ip4 |= ((volatile __u8 *)&ctx->user_ip4)[1] << 8;
+	user_ip4 |= ((volatile __u8 *)&ctx->user_ip4)[2] << 16;
+	user_ip4 |= ((volatile __u8 *)&ctx->user_ip4)[3] << 24;
+	if (ctx->user_ip4 != user_ip4)
+		return 0;
+
+	user_port = 0;
+	user_port |= ((volatile __u8 *)&ctx->user_port)[0] << 0;
+	user_port |= ((volatile __u8 *)&ctx->user_port)[1] << 8;
+	if (ctx->user_port != user_port)
+		return 0;
+
+	// u16 narrow loads:
+	user_ip4 = 0;
+	user_ip4 |= ((volatile __u16 *)&ctx->user_ip4)[0] << 0;
+	user_ip4 |= ((volatile __u16 *)&ctx->user_ip4)[1] << 16;
+	if (ctx->user_ip4 != user_ip4)
+		return 0;
+
+	/* Bind to device and unbind it. */
+	if (bind_to_device(ctx))
+		return 0;
+
+	/* Test for misc socket options. */
+	if (misc_opts(ctx, SO_MARK) || misc_opts(ctx, SO_PRIORITY))
+		return 0;
+
+	/* Set reuseport and unset */
+	if (bind_reuseport(ctx))
+		return 0;
+
+	ctx->user_ip4 = bpf_htonl(SERV4_REWRITE_IP);
+	ctx->user_port = bpf_htons(SERV4_REWRITE_PORT);
+
+	return 1;
+}
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/bind6_prog.c b/tools/testing/selftests/bpf/progs/bind6_prog.c
new file mode 100644
index 000000000..d62cd9e9c
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/bind6_prog.c
@@ -0,0 +1,176 @@
+// SPDX-License-Identifier: GPL-2.0
+
+#include <string.h>
+
+#include <linux/stddef.h>
+#include <linux/bpf.h>
+#include <linux/in.h>
+#include <linux/in6.h>
+#include <linux/if.h>
+#include <errno.h>
+
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_endian.h>
+
+#define SERV6_IP_0		0xfaceb00c /* face:b00c:1234:5678::abcd */
+#define SERV6_IP_1		0x12345678
+#define SERV6_IP_2		0x00000000
+#define SERV6_IP_3		0x0000abcd
+#define SERV6_PORT		6060
+#define SERV6_REWRITE_IP_0	0x00000000
+#define SERV6_REWRITE_IP_1	0x00000000
+#define SERV6_REWRITE_IP_2	0x00000000
+#define SERV6_REWRITE_IP_3	0x00000001
+#define SERV6_REWRITE_PORT	6666
+
+#ifndef IFNAMSIZ
+#define IFNAMSIZ 16
+#endif
+
+static __inline int bind_to_device(struct bpf_sock_addr *ctx)
+{
+	char veth1[IFNAMSIZ] = "test_sock_addr1";
+	char veth2[IFNAMSIZ] = "test_sock_addr2";
+	char missing[IFNAMSIZ] = "nonexistent_dev";
+	char del_bind[IFNAMSIZ] = "";
+	int veth1_idx, veth2_idx;
+
+	if (bpf_setsockopt(ctx, SOL_SOCKET, SO_BINDTODEVICE,
+			   &veth1, sizeof(veth1)))
+		return 1;
+	if (bpf_getsockopt(ctx, SOL_SOCKET, SO_BINDTOIFINDEX,
+			   &veth1_idx, sizeof(veth1_idx)) || !veth1_idx)
+		return 1;
+	if (bpf_setsockopt(ctx, SOL_SOCKET, SO_BINDTODEVICE,
+			   &veth2, sizeof(veth2)))
+		return 1;
+	if (bpf_getsockopt(ctx, SOL_SOCKET, SO_BINDTOIFINDEX,
+			   &veth2_idx, sizeof(veth2_idx)) || !veth2_idx ||
+	    veth1_idx == veth2_idx)
+		return 1;
+	if (bpf_setsockopt(ctx, SOL_SOCKET, SO_BINDTODEVICE,
+			   &missing, sizeof(missing)) != -ENODEV)
+		return 1;
+	if (bpf_setsockopt(ctx, SOL_SOCKET, SO_BINDTOIFINDEX,
+			   &veth1_idx, sizeof(veth1_idx)))
+		return 1;
+	if (bpf_setsockopt(ctx, SOL_SOCKET, SO_BINDTODEVICE,
+			   &del_bind, sizeof(del_bind)))
+		return 1;
+
+	return 0;
+}
+
+static __inline int bind_reuseport(struct bpf_sock_addr *ctx)
+{
+	int val = 1;
+
+	if (bpf_setsockopt(ctx, SOL_SOCKET, SO_REUSEPORT,
+			   &val, sizeof(val)))
+		return 1;
+	if (bpf_getsockopt(ctx, SOL_SOCKET, SO_REUSEPORT,
+			   &val, sizeof(val)) || !val)
+		return 1;
+	val = 0;
+	if (bpf_setsockopt(ctx, SOL_SOCKET, SO_REUSEPORT,
+			   &val, sizeof(val)))
+		return 1;
+	if (bpf_getsockopt(ctx, SOL_SOCKET, SO_REUSEPORT,
+			   &val, sizeof(val)) || val)
+		return 1;
+
+	return 0;
+}
+
+static __inline int misc_opts(struct bpf_sock_addr *ctx, int opt)
+{
+	int old, tmp, new = 0xeb9f;
+
+	/* Socket in test case has guarantee that old never equals to new. */
+	if (bpf_getsockopt(ctx, SOL_SOCKET, opt, &old, sizeof(old)) ||
+	    old == new)
+		return 1;
+	if (bpf_setsockopt(ctx, SOL_SOCKET, opt, &new, sizeof(new)))
+		return 1;
+	if (bpf_getsockopt(ctx, SOL_SOCKET, opt, &tmp, sizeof(tmp)) ||
+	    tmp != new)
+		return 1;
+	if (bpf_setsockopt(ctx, SOL_SOCKET, opt, &old, sizeof(old)))
+		return 1;
+
+	return 0;
+}
+
+SEC("cgroup/bind6")
+int bind_v6_prog(struct bpf_sock_addr *ctx)
+{
+	struct bpf_sock *sk;
+	__u32 user_ip6;
+	__u16 user_port;
+	int i;
+
+	sk = ctx->sk;
+	if (!sk)
+		return 0;
+
+	if (sk->family != AF_INET6)
+		return 0;
+
+	if (ctx->type != SOCK_STREAM && ctx->type != SOCK_DGRAM)
+		return 0;
+
+	if (ctx->user_ip6[0] != bpf_htonl(SERV6_IP_0) ||
+	    ctx->user_ip6[1] != bpf_htonl(SERV6_IP_1) ||
+	    ctx->user_ip6[2] != bpf_htonl(SERV6_IP_2) ||
+	    ctx->user_ip6[3] != bpf_htonl(SERV6_IP_3) ||
+	    ctx->user_port != bpf_htons(SERV6_PORT))
+		return 0;
+
+	// u8 narrow loads:
+	for (i = 0; i < 4; i++) {
+		user_ip6 = 0;
+		user_ip6 |= ((volatile __u8 *)&ctx->user_ip6[i])[0] << 0;
+		user_ip6 |= ((volatile __u8 *)&ctx->user_ip6[i])[1] << 8;
+		user_ip6 |= ((volatile __u8 *)&ctx->user_ip6[i])[2] << 16;
+		user_ip6 |= ((volatile __u8 *)&ctx->user_ip6[i])[3] << 24;
+		if (ctx->user_ip6[i] != user_ip6)
+			return 0;
+	}
+
+	user_port = 0;
+	user_port |= ((volatile __u8 *)&ctx->user_port)[0] << 0;
+	user_port |= ((volatile __u8 *)&ctx->user_port)[1] << 8;
+	if (ctx->user_port != user_port)
+		return 0;
+
+	// u16 narrow loads:
+	for (i = 0; i < 4; i++) {
+		user_ip6 = 0;
+		user_ip6 |= ((volatile __u16 *)&ctx->user_ip6[i])[0] << 0;
+		user_ip6 |= ((volatile __u16 *)&ctx->user_ip6[i])[1] << 16;
+		if (ctx->user_ip6[i] != user_ip6)
+			return 0;
+	}
+
+	/* Bind to device and unbind it. */
+	if (bind_to_device(ctx))
+		return 0;
+
+	/* Test for misc socket options. */
+	if (misc_opts(ctx, SO_MARK) || misc_opts(ctx, SO_PRIORITY))
+		return 0;
+
+	/* Set reuseport and unset */
+	if (bind_reuseport(ctx))
+		return 0;
+
+	ctx->user_ip6[0] = bpf_htonl(SERV6_REWRITE_IP_0);
+	ctx->user_ip6[1] = bpf_htonl(SERV6_REWRITE_IP_1);
+	ctx->user_ip6[2] = bpf_htonl(SERV6_REWRITE_IP_2);
+	ctx->user_ip6[3] = bpf_htonl(SERV6_REWRITE_IP_3);
+	ctx->user_port = bpf_htons(SERV6_REWRITE_PORT);
+
+	return 1;
+}
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/bind_perm.c b/tools/testing/selftests/bpf/progs/bind_perm.c
new file mode 100644
index 000000000..7bd2a0270
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/bind_perm.c
@@ -0,0 +1,45 @@
+// SPDX-License-Identifier: GPL-2.0
+
+#include <linux/stddef.h>
+#include <linux/bpf.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_endian.h>
+
+static __always_inline int bind_prog(struct bpf_sock_addr *ctx, int family)
+{
+	struct bpf_sock *sk;
+
+	sk = ctx->sk;
+	if (!sk)
+		return 0;
+
+	if (sk->family != family)
+		return 0;
+
+	if (ctx->type != SOCK_STREAM)
+		return 0;
+
+	/* Return 1 OR'ed with the first bit set to indicate
+	 * that CAP_NET_BIND_SERVICE should be bypassed.
+	 */
+	if (ctx->user_port == bpf_htons(111))
+		return (1 | 2);
+
+	return 1;
+}
+
+SEC("cgroup/bind4")
+int bind_v4_prog(struct bpf_sock_addr *ctx)
+{
+	return bind_prog(ctx, AF_INET);
+}
+
+SEC("cgroup/bind6")
+int bind_v6_prog(struct bpf_sock_addr *ctx)
+{
+	return bind_prog(ctx, AF_INET6);
+}
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/bloom_filter_bench.c b/tools/testing/selftests/bpf/progs/bloom_filter_bench.c
new file mode 100644
index 000000000..7efcbdbe7
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/bloom_filter_bench.c
@@ -0,0 +1,154 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2021 Facebook */
+
+#include <errno.h>
+#include <linux/bpf.h>
+#include <stdbool.h>
+#include <bpf/bpf_helpers.h>
+#include "bpf_misc.h"
+
+char _license[] SEC("license") = "GPL";
+
+struct bpf_map;
+
+__u8 rand_vals[2500000];
+const __u32 nr_rand_bytes = 2500000;
+
+struct {
+	__uint(type, BPF_MAP_TYPE_ARRAY);
+	__uint(key_size, sizeof(__u32));
+	/* max entries and value_size will be set programmatically.
+	 * They are configurable from the userspace bench program.
+	 */
+} array_map SEC(".maps");
+
+struct {
+	__uint(type, BPF_MAP_TYPE_BLOOM_FILTER);
+	/* max entries,  value_size, and # of hash functions will be set
+	 * programmatically. They are configurable from the userspace
+	 * bench program.
+	 */
+	__uint(map_extra, 3);
+} bloom_map SEC(".maps");
+
+struct {
+	__uint(type, BPF_MAP_TYPE_HASH);
+	/* max entries, key_size, and value_size, will be set
+	 * programmatically. They are configurable from the userspace
+	 * bench program.
+	 */
+} hashmap SEC(".maps");
+
+struct callback_ctx {
+	struct bpf_map *map;
+	bool update;
+};
+
+/* Tracks the number of hits, drops, and false hits */
+struct {
+	__u32 stats[3];
+} __attribute__((__aligned__(256))) percpu_stats[256];
+
+const __u32 hit_key  = 0;
+const __u32 drop_key  = 1;
+const __u32 false_hit_key = 2;
+
+__u8 value_size;
+
+const volatile bool hashmap_use_bloom;
+const volatile bool count_false_hits;
+
+int error = 0;
+
+static __always_inline void log_result(__u32 key)
+{
+	__u32 cpu = bpf_get_smp_processor_id();
+
+	percpu_stats[cpu & 255].stats[key]++;
+}
+
+static __u64
+bloom_callback(struct bpf_map *map, __u32 *key, void *val,
+	       struct callback_ctx *data)
+{
+	int err;
+
+	if (data->update)
+		err = bpf_map_push_elem(data->map, val, 0);
+	else
+		err = bpf_map_peek_elem(data->map, val);
+
+	if (err) {
+		error |= 1;
+		return 1; /* stop the iteration */
+	}
+
+	log_result(hit_key);
+
+	return 0;
+}
+
+SEC("fentry/" SYS_PREFIX "sys_getpgid")
+int bloom_lookup(void *ctx)
+{
+	struct callback_ctx data;
+
+	data.map = (struct bpf_map *)&bloom_map;
+	data.update = false;
+
+	bpf_for_each_map_elem(&array_map, bloom_callback, &data, 0);
+
+	return 0;
+}
+
+SEC("fentry/" SYS_PREFIX "sys_getpgid")
+int bloom_update(void *ctx)
+{
+	struct callback_ctx data;
+
+	data.map = (struct bpf_map *)&bloom_map;
+	data.update = true;
+
+	bpf_for_each_map_elem(&array_map, bloom_callback, &data, 0);
+
+	return 0;
+}
+
+SEC("fentry/" SYS_PREFIX "sys_getpgid")
+int bloom_hashmap_lookup(void *ctx)
+{
+	__u64 *result;
+	int i, err;
+
+	__u32 index = bpf_get_prandom_u32();
+	__u32 bitmask = (1ULL << 21) - 1;
+
+	for (i = 0; i < 1024; i++, index += value_size) {
+		index = index & bitmask;
+
+		if (hashmap_use_bloom) {
+			err = bpf_map_peek_elem(&bloom_map,
+						rand_vals + index);
+			if (err) {
+				if (err != -ENOENT) {
+					error |= 2;
+					return 0;
+				}
+				log_result(hit_key);
+				continue;
+			}
+		}
+
+		result = bpf_map_lookup_elem(&hashmap,
+					     rand_vals + index);
+		if (result) {
+			log_result(hit_key);
+		} else {
+			if (hashmap_use_bloom && count_false_hits)
+				log_result(false_hit_key);
+			log_result(drop_key);
+		}
+	}
+
+	return 0;
+}
diff --git a/tools/testing/selftests/bpf/progs/bloom_filter_map.c b/tools/testing/selftests/bpf/progs/bloom_filter_map.c
new file mode 100644
index 000000000..f245fcfe0
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/bloom_filter_map.c
@@ -0,0 +1,83 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2021 Facebook */
+
+#include <linux/bpf.h>
+#include <bpf/bpf_helpers.h>
+#include "bpf_misc.h"
+
+char _license[] SEC("license") = "GPL";
+
+struct bpf_map;
+
+struct {
+	__uint(type, BPF_MAP_TYPE_ARRAY);
+	__type(key, __u32);
+	__type(value, __u32);
+	__uint(max_entries, 1000);
+} map_random_data SEC(".maps");
+
+struct map_bloom_type {
+	__uint(type, BPF_MAP_TYPE_BLOOM_FILTER);
+	__type(value, __u32);
+	__uint(max_entries, 10000);
+	__uint(map_extra, 5);
+} map_bloom SEC(".maps");
+
+struct {
+	__uint(type, BPF_MAP_TYPE_ARRAY_OF_MAPS);
+	__type(key, int);
+	__type(value, int);
+	__uint(max_entries, 1);
+	__array(values, struct map_bloom_type);
+} outer_map SEC(".maps");
+
+struct callback_ctx {
+	struct bpf_map *map;
+};
+
+int error = 0;
+
+static __u64
+check_elem(struct bpf_map *map, __u32 *key, __u32 *val,
+	   struct callback_ctx *data)
+{
+	int err;
+
+	err = bpf_map_peek_elem(data->map, val);
+	if (err) {
+		error |= 1;
+		return 1; /* stop the iteration */
+	}
+
+	return 0;
+}
+
+SEC("fentry/" SYS_PREFIX "sys_getpgid")
+int inner_map(void *ctx)
+{
+	struct bpf_map *inner_map;
+	struct callback_ctx data;
+	int key = 0;
+
+	inner_map = bpf_map_lookup_elem(&outer_map, &key);
+	if (!inner_map) {
+		error |= 2;
+		return 0;
+	}
+
+	data.map = inner_map;
+	bpf_for_each_map_elem(&map_random_data, check_elem, &data, 0);
+
+	return 0;
+}
+
+SEC("fentry/" SYS_PREFIX "sys_getpgid")
+int check_bloom(void *ctx)
+{
+	struct callback_ctx data;
+
+	data.map = (struct bpf_map *)&map_bloom;
+	bpf_for_each_map_elem(&map_random_data, check_elem, &data, 0);
+
+	return 0;
+}
diff --git a/tools/testing/selftests/bpf/progs/bpf_cubic.c b/tools/testing/selftests/bpf/progs/bpf_cubic.c
new file mode 100644
index 000000000..d9660e720
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/bpf_cubic.c
@@ -0,0 +1,539 @@
+// SPDX-License-Identifier: GPL-2.0-only
+
+/* WARNING: This implemenation is not necessarily the same
+ * as the tcp_cubic.c.  The purpose is mainly for testing
+ * the kernel BPF logic.
+ *
+ * Highlights:
+ * 1. CONFIG_HZ .kconfig map is used.
+ * 2. In bictcp_update(), calculation is changed to use usec
+ *    resolution (i.e. USEC_PER_JIFFY) instead of using jiffies.
+ *    Thus, usecs_to_jiffies() is not used in the bpf_cubic.c.
+ * 3. In bitctcp_update() [under tcp_friendliness], the original
+ *    "while (ca->ack_cnt > delta)" loop is changed to the equivalent
+ *    "ca->ack_cnt / delta" operation.
+ */
+
+#include <linux/bpf.h>
+#include <linux/stddef.h>
+#include <linux/tcp.h>
+#include "bpf_tcp_helpers.h"
+
+char _license[] SEC("license") = "GPL";
+
+#define clamp(val, lo, hi) min((typeof(val))max(val, lo), hi)
+
+#define BICTCP_BETA_SCALE    1024	/* Scale factor beta calculation
+					 * max_cwnd = snd_cwnd * beta
+					 */
+#define	BICTCP_HZ		10	/* BIC HZ 2^10 = 1024 */
+
+/* Two methods of hybrid slow start */
+#define HYSTART_ACK_TRAIN	0x1
+#define HYSTART_DELAY		0x2
+
+/* Number of delay samples for detecting the increase of delay */
+#define HYSTART_MIN_SAMPLES	8
+#define HYSTART_DELAY_MIN	(4000U)	/* 4ms */
+#define HYSTART_DELAY_MAX	(16000U)	/* 16 ms */
+#define HYSTART_DELAY_THRESH(x)	clamp(x, HYSTART_DELAY_MIN, HYSTART_DELAY_MAX)
+
+static int fast_convergence = 1;
+static const int beta = 717;	/* = 717/1024 (BICTCP_BETA_SCALE) */
+static int initial_ssthresh;
+static const int bic_scale = 41;
+static int tcp_friendliness = 1;
+
+static int hystart = 1;
+static int hystart_detect = HYSTART_ACK_TRAIN | HYSTART_DELAY;
+static int hystart_low_window = 16;
+static int hystart_ack_delta_us = 2000;
+
+static const __u32 cube_rtt_scale = (bic_scale * 10);	/* 1024*c/rtt */
+static const __u32 beta_scale = 8*(BICTCP_BETA_SCALE+beta) / 3
+				/ (BICTCP_BETA_SCALE - beta);
+/* calculate the "K" for (wmax-cwnd) = c/rtt * K^3
+ *  so K = cubic_root( (wmax-cwnd)*rtt/c )
+ * the unit of K is bictcp_HZ=2^10, not HZ
+ *
+ *  c = bic_scale >> 10
+ *  rtt = 100ms
+ *
+ * the following code has been designed and tested for
+ * cwnd < 1 million packets
+ * RTT < 100 seconds
+ * HZ < 1,000,00  (corresponding to 10 nano-second)
+ */
+
+/* 1/c * 2^2*bictcp_HZ * srtt, 2^40 */
+static const __u64 cube_factor = (__u64)(1ull << (10+3*BICTCP_HZ))
+				/ (bic_scale * 10);
+
+/* BIC TCP Parameters */
+struct bictcp {
+	__u32	cnt;		/* increase cwnd by 1 after ACKs */
+	__u32	last_max_cwnd;	/* last maximum snd_cwnd */
+	__u32	last_cwnd;	/* the last snd_cwnd */
+	__u32	last_time;	/* time when updated last_cwnd */
+	__u32	bic_origin_point;/* origin point of bic function */
+	__u32	bic_K;		/* time to origin point
+				   from the beginning of the current epoch */
+	__u32	delay_min;	/* min delay (usec) */
+	__u32	epoch_start;	/* beginning of an epoch */
+	__u32	ack_cnt;	/* number of acks */
+	__u32	tcp_cwnd;	/* estimated tcp cwnd */
+	__u16	unused;
+	__u8	sample_cnt;	/* number of samples to decide curr_rtt */
+	__u8	found;		/* the exit point is found? */
+	__u32	round_start;	/* beginning of each round */
+	__u32	end_seq;	/* end_seq of the round */
+	__u32	last_ack;	/* last time when the ACK spacing is close */
+	__u32	curr_rtt;	/* the minimum rtt of current round */
+};
+
+static inline void bictcp_reset(struct bictcp *ca)
+{
+	ca->cnt = 0;
+	ca->last_max_cwnd = 0;
+	ca->last_cwnd = 0;
+	ca->last_time = 0;
+	ca->bic_origin_point = 0;
+	ca->bic_K = 0;
+	ca->delay_min = 0;
+	ca->epoch_start = 0;
+	ca->ack_cnt = 0;
+	ca->tcp_cwnd = 0;
+	ca->found = 0;
+}
+
+extern unsigned long CONFIG_HZ __kconfig;
+#define HZ CONFIG_HZ
+#define USEC_PER_MSEC	1000UL
+#define USEC_PER_SEC	1000000UL
+#define USEC_PER_JIFFY	(USEC_PER_SEC / HZ)
+
+static __always_inline __u64 div64_u64(__u64 dividend, __u64 divisor)
+{
+	return dividend / divisor;
+}
+
+#define div64_ul div64_u64
+
+#define BITS_PER_U64 (sizeof(__u64) * 8)
+static __always_inline int fls64(__u64 x)
+{
+	int num = BITS_PER_U64 - 1;
+
+	if (x == 0)
+		return 0;
+
+	if (!(x & (~0ull << (BITS_PER_U64-32)))) {
+		num -= 32;
+		x <<= 32;
+	}
+	if (!(x & (~0ull << (BITS_PER_U64-16)))) {
+		num -= 16;
+		x <<= 16;
+	}
+	if (!(x & (~0ull << (BITS_PER_U64-8)))) {
+		num -= 8;
+		x <<= 8;
+	}
+	if (!(x & (~0ull << (BITS_PER_U64-4)))) {
+		num -= 4;
+		x <<= 4;
+	}
+	if (!(x & (~0ull << (BITS_PER_U64-2)))) {
+		num -= 2;
+		x <<= 2;
+	}
+	if (!(x & (~0ull << (BITS_PER_U64-1))))
+		num -= 1;
+
+	return num + 1;
+}
+
+static __always_inline __u32 bictcp_clock_us(const struct sock *sk)
+{
+	return tcp_sk(sk)->tcp_mstamp;
+}
+
+static __always_inline void bictcp_hystart_reset(struct sock *sk)
+{
+	struct tcp_sock *tp = tcp_sk(sk);
+	struct bictcp *ca = inet_csk_ca(sk);
+
+	ca->round_start = ca->last_ack = bictcp_clock_us(sk);
+	ca->end_seq = tp->snd_nxt;
+	ca->curr_rtt = ~0U;
+	ca->sample_cnt = 0;
+}
+
+/* "struct_ops/" prefix is a requirement */
+SEC("struct_ops/bpf_cubic_init")
+void BPF_PROG(bpf_cubic_init, struct sock *sk)
+{
+	struct bictcp *ca = inet_csk_ca(sk);
+
+	bictcp_reset(ca);
+
+	if (hystart)
+		bictcp_hystart_reset(sk);
+
+	if (!hystart && initial_ssthresh)
+		tcp_sk(sk)->snd_ssthresh = initial_ssthresh;
+}
+
+/* "struct_ops" prefix is a requirement */
+SEC("struct_ops/bpf_cubic_cwnd_event")
+void BPF_PROG(bpf_cubic_cwnd_event, struct sock *sk, enum tcp_ca_event event)
+{
+	if (event == CA_EVENT_TX_START) {
+		struct bictcp *ca = inet_csk_ca(sk);
+		__u32 now = tcp_jiffies32;
+		__s32 delta;
+
+		delta = now - tcp_sk(sk)->lsndtime;
+
+		/* We were application limited (idle) for a while.
+		 * Shift epoch_start to keep cwnd growth to cubic curve.
+		 */
+		if (ca->epoch_start && delta > 0) {
+			ca->epoch_start += delta;
+			if (after(ca->epoch_start, now))
+				ca->epoch_start = now;
+		}
+		return;
+	}
+}
+
+/*
+ * cbrt(x) MSB values for x MSB values in [0..63].
+ * Precomputed then refined by hand - Willy Tarreau
+ *
+ * For x in [0..63],
+ *   v = cbrt(x << 18) - 1
+ *   cbrt(x) = (v[x] + 10) >> 6
+ */
+static const __u8 v[] = {
+	/* 0x00 */    0,   54,   54,   54,  118,  118,  118,  118,
+	/* 0x08 */  123,  129,  134,  138,  143,  147,  151,  156,
+	/* 0x10 */  157,  161,  164,  168,  170,  173,  176,  179,
+	/* 0x18 */  181,  185,  187,  190,  192,  194,  197,  199,
+	/* 0x20 */  200,  202,  204,  206,  209,  211,  213,  215,
+	/* 0x28 */  217,  219,  221,  222,  224,  225,  227,  229,
+	/* 0x30 */  231,  232,  234,  236,  237,  239,  240,  242,
+	/* 0x38 */  244,  245,  246,  248,  250,  251,  252,  254,
+};
+
+/* calculate the cubic root of x using a table lookup followed by one
+ * Newton-Raphson iteration.
+ * Avg err ~= 0.195%
+ */
+static __always_inline __u32 cubic_root(__u64 a)
+{
+	__u32 x, b, shift;
+
+	if (a < 64) {
+		/* a in [0..63] */
+		return ((__u32)v[(__u32)a] + 35) >> 6;
+	}
+
+	b = fls64(a);
+	b = ((b * 84) >> 8) - 1;
+	shift = (a >> (b * 3));
+
+	/* it is needed for verifier's bound check on v */
+	if (shift >= 64)
+		return 0;
+
+	x = ((__u32)(((__u32)v[shift] + 10) << b)) >> 6;
+
+	/*
+	 * Newton-Raphson iteration
+	 *                         2
+	 * x    = ( 2 * x  +  a / x  ) / 3
+	 *  k+1          k         k
+	 */
+	x = (2 * x + (__u32)div64_u64(a, (__u64)x * (__u64)(x - 1)));
+	x = ((x * 341) >> 10);
+	return x;
+}
+
+/*
+ * Compute congestion window to use.
+ */
+static __always_inline void bictcp_update(struct bictcp *ca, __u32 cwnd,
+					  __u32 acked)
+{
+	__u32 delta, bic_target, max_cnt;
+	__u64 offs, t;
+
+	ca->ack_cnt += acked;	/* count the number of ACKed packets */
+
+	if (ca->last_cwnd == cwnd &&
+	    (__s32)(tcp_jiffies32 - ca->last_time) <= HZ / 32)
+		return;
+
+	/* The CUBIC function can update ca->cnt at most once per jiffy.
+	 * On all cwnd reduction events, ca->epoch_start is set to 0,
+	 * which will force a recalculation of ca->cnt.
+	 */
+	if (ca->epoch_start && tcp_jiffies32 == ca->last_time)
+		goto tcp_friendliness;
+
+	ca->last_cwnd = cwnd;
+	ca->last_time = tcp_jiffies32;
+
+	if (ca->epoch_start == 0) {
+		ca->epoch_start = tcp_jiffies32;	/* record beginning */
+		ca->ack_cnt = acked;			/* start counting */
+		ca->tcp_cwnd = cwnd;			/* syn with cubic */
+
+		if (ca->last_max_cwnd <= cwnd) {
+			ca->bic_K = 0;
+			ca->bic_origin_point = cwnd;
+		} else {
+			/* Compute new K based on
+			 * (wmax-cwnd) * (srtt>>3 / HZ) / c * 2^(3*bictcp_HZ)
+			 */
+			ca->bic_K = cubic_root(cube_factor
+					       * (ca->last_max_cwnd - cwnd));
+			ca->bic_origin_point = ca->last_max_cwnd;
+		}
+	}
+
+	/* cubic function - calc*/
+	/* calculate c * time^3 / rtt,
+	 *  while considering overflow in calculation of time^3
+	 * (so time^3 is done by using 64 bit)
+	 * and without the support of division of 64bit numbers
+	 * (so all divisions are done by using 32 bit)
+	 *  also NOTE the unit of those veriables
+	 *	  time  = (t - K) / 2^bictcp_HZ
+	 *	  c = bic_scale >> 10
+	 * rtt  = (srtt >> 3) / HZ
+	 * !!! The following code does not have overflow problems,
+	 * if the cwnd < 1 million packets !!!
+	 */
+
+	t = (__s32)(tcp_jiffies32 - ca->epoch_start) * USEC_PER_JIFFY;
+	t += ca->delay_min;
+	/* change the unit from usec to bictcp_HZ */
+	t <<= BICTCP_HZ;
+	t /= USEC_PER_SEC;
+
+	if (t < ca->bic_K)		/* t - K */
+		offs = ca->bic_K - t;
+	else
+		offs = t - ca->bic_K;
+
+	/* c/rtt * (t-K)^3 */
+	delta = (cube_rtt_scale * offs * offs * offs) >> (10+3*BICTCP_HZ);
+	if (t < ca->bic_K)                            /* below origin*/
+		bic_target = ca->bic_origin_point - delta;
+	else                                          /* above origin*/
+		bic_target = ca->bic_origin_point + delta;
+
+	/* cubic function - calc bictcp_cnt*/
+	if (bic_target > cwnd) {
+		ca->cnt = cwnd / (bic_target - cwnd);
+	} else {
+		ca->cnt = 100 * cwnd;              /* very small increment*/
+	}
+
+	/*
+	 * The initial growth of cubic function may be too conservative
+	 * when the available bandwidth is still unknown.
+	 */
+	if (ca->last_max_cwnd == 0 && ca->cnt > 20)
+		ca->cnt = 20;	/* increase cwnd 5% per RTT */
+
+tcp_friendliness:
+	/* TCP Friendly */
+	if (tcp_friendliness) {
+		__u32 scale = beta_scale;
+		__u32 n;
+
+		/* update tcp cwnd */
+		delta = (cwnd * scale) >> 3;
+		if (ca->ack_cnt > delta && delta) {
+			n = ca->ack_cnt / delta;
+			ca->ack_cnt -= n * delta;
+			ca->tcp_cwnd += n;
+		}
+
+		if (ca->tcp_cwnd > cwnd) {	/* if bic is slower than tcp */
+			delta = ca->tcp_cwnd - cwnd;
+			max_cnt = cwnd / delta;
+			if (ca->cnt > max_cnt)
+				ca->cnt = max_cnt;
+		}
+	}
+
+	/* The maximum rate of cwnd increase CUBIC allows is 1 packet per
+	 * 2 packets ACKed, meaning cwnd grows at 1.5x per RTT.
+	 */
+	ca->cnt = max(ca->cnt, 2U);
+}
+
+/* Or simply use the BPF_STRUCT_OPS to avoid the SEC boiler plate. */
+void BPF_STRUCT_OPS(bpf_cubic_cong_avoid, struct sock *sk, __u32 ack, __u32 acked)
+{
+	struct tcp_sock *tp = tcp_sk(sk);
+	struct bictcp *ca = inet_csk_ca(sk);
+
+	if (!tcp_is_cwnd_limited(sk))
+		return;
+
+	if (tcp_in_slow_start(tp)) {
+		if (hystart && after(ack, ca->end_seq))
+			bictcp_hystart_reset(sk);
+		acked = tcp_slow_start(tp, acked);
+		if (!acked)
+			return;
+	}
+	bictcp_update(ca, tp->snd_cwnd, acked);
+	tcp_cong_avoid_ai(tp, ca->cnt, acked);
+}
+
+__u32 BPF_STRUCT_OPS(bpf_cubic_recalc_ssthresh, struct sock *sk)
+{
+	const struct tcp_sock *tp = tcp_sk(sk);
+	struct bictcp *ca = inet_csk_ca(sk);
+
+	ca->epoch_start = 0;	/* end of epoch */
+
+	/* Wmax and fast convergence */
+	if (tp->snd_cwnd < ca->last_max_cwnd && fast_convergence)
+		ca->last_max_cwnd = (tp->snd_cwnd * (BICTCP_BETA_SCALE + beta))
+			/ (2 * BICTCP_BETA_SCALE);
+	else
+		ca->last_max_cwnd = tp->snd_cwnd;
+
+	return max((tp->snd_cwnd * beta) / BICTCP_BETA_SCALE, 2U);
+}
+
+void BPF_STRUCT_OPS(bpf_cubic_state, struct sock *sk, __u8 new_state)
+{
+	if (new_state == TCP_CA_Loss) {
+		bictcp_reset(inet_csk_ca(sk));
+		bictcp_hystart_reset(sk);
+	}
+}
+
+#define GSO_MAX_SIZE		65536
+
+/* Account for TSO/GRO delays.
+ * Otherwise short RTT flows could get too small ssthresh, since during
+ * slow start we begin with small TSO packets and ca->delay_min would
+ * not account for long aggregation delay when TSO packets get bigger.
+ * Ideally even with a very small RTT we would like to have at least one
+ * TSO packet being sent and received by GRO, and another one in qdisc layer.
+ * We apply another 100% factor because @rate is doubled at this point.
+ * We cap the cushion to 1ms.
+ */
+static __always_inline __u32 hystart_ack_delay(struct sock *sk)
+{
+	unsigned long rate;
+
+	rate = sk->sk_pacing_rate;
+	if (!rate)
+		return 0;
+	return min((__u64)USEC_PER_MSEC,
+		   div64_ul((__u64)GSO_MAX_SIZE * 4 * USEC_PER_SEC, rate));
+}
+
+static __always_inline void hystart_update(struct sock *sk, __u32 delay)
+{
+	struct tcp_sock *tp = tcp_sk(sk);
+	struct bictcp *ca = inet_csk_ca(sk);
+	__u32 threshold;
+
+	if (hystart_detect & HYSTART_ACK_TRAIN) {
+		__u32 now = bictcp_clock_us(sk);
+
+		/* first detection parameter - ack-train detection */
+		if ((__s32)(now - ca->last_ack) <= hystart_ack_delta_us) {
+			ca->last_ack = now;
+
+			threshold = ca->delay_min + hystart_ack_delay(sk);
+
+			/* Hystart ack train triggers if we get ack past
+			 * ca->delay_min/2.
+			 * Pacing might have delayed packets up to RTT/2
+			 * during slow start.
+			 */
+			if (sk->sk_pacing_status == SK_PACING_NONE)
+				threshold >>= 1;
+
+			if ((__s32)(now - ca->round_start) > threshold) {
+				ca->found = 1;
+				tp->snd_ssthresh = tp->snd_cwnd;
+			}
+		}
+	}
+
+	if (hystart_detect & HYSTART_DELAY) {
+		/* obtain the minimum delay of more than sampling packets */
+		if (ca->curr_rtt > delay)
+			ca->curr_rtt = delay;
+		if (ca->sample_cnt < HYSTART_MIN_SAMPLES) {
+			ca->sample_cnt++;
+		} else {
+			if (ca->curr_rtt > ca->delay_min +
+			    HYSTART_DELAY_THRESH(ca->delay_min >> 3)) {
+				ca->found = 1;
+				tp->snd_ssthresh = tp->snd_cwnd;
+			}
+		}
+	}
+}
+
+void BPF_STRUCT_OPS(bpf_cubic_acked, struct sock *sk,
+		    const struct ack_sample *sample)
+{
+	const struct tcp_sock *tp = tcp_sk(sk);
+	struct bictcp *ca = inet_csk_ca(sk);
+	__u32 delay;
+
+	/* Some calls are for duplicates without timetamps */
+	if (sample->rtt_us < 0)
+		return;
+
+	/* Discard delay samples right after fast recovery */
+	if (ca->epoch_start && (__s32)(tcp_jiffies32 - ca->epoch_start) < HZ)
+		return;
+
+	delay = sample->rtt_us;
+	if (delay == 0)
+		delay = 1;
+
+	/* first time call or link delay decreases */
+	if (ca->delay_min == 0 || ca->delay_min > delay)
+		ca->delay_min = delay;
+
+	/* hystart triggers when cwnd is larger than some threshold */
+	if (!ca->found && tcp_in_slow_start(tp) && hystart &&
+	    tp->snd_cwnd >= hystart_low_window)
+		hystart_update(sk, delay);
+}
+
+extern __u32 tcp_reno_undo_cwnd(struct sock *sk) __ksym;
+
+__u32 BPF_STRUCT_OPS(bpf_cubic_undo_cwnd, struct sock *sk)
+{
+	return tcp_reno_undo_cwnd(sk);
+}
+
+SEC(".struct_ops")
+struct tcp_congestion_ops cubic = {
+	.init		= (void *)bpf_cubic_init,
+	.ssthresh	= (void *)bpf_cubic_recalc_ssthresh,
+	.cong_avoid	= (void *)bpf_cubic_cong_avoid,
+	.set_state	= (void *)bpf_cubic_state,
+	.undo_cwnd	= (void *)bpf_cubic_undo_cwnd,
+	.cwnd_event	= (void *)bpf_cubic_cwnd_event,
+	.pkts_acked     = (void *)bpf_cubic_acked,
+	.name		= "bpf_cubic",
+};
diff --git a/tools/testing/selftests/bpf/progs/bpf_dctcp.c b/tools/testing/selftests/bpf/progs/bpf_dctcp.c
new file mode 100644
index 000000000..460682759
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/bpf_dctcp.c
@@ -0,0 +1,258 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2019 Facebook */
+
+/* WARNING: This implemenation is not necessarily the same
+ * as the tcp_dctcp.c.  The purpose is mainly for testing
+ * the kernel BPF logic.
+ */
+
+#include <stddef.h>
+#include <linux/bpf.h>
+#include <linux/types.h>
+#include <linux/stddef.h>
+#include <linux/tcp.h>
+#include <errno.h>
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_tracing.h>
+#include "bpf_tcp_helpers.h"
+
+char _license[] SEC("license") = "GPL";
+
+volatile const char fallback[TCP_CA_NAME_MAX];
+const char bpf_dctcp[] = "bpf_dctcp";
+const char tcp_cdg[] = "cdg";
+char cc_res[TCP_CA_NAME_MAX];
+int tcp_cdg_res = 0;
+int stg_result = 0;
+int ebusy_cnt = 0;
+
+struct {
+	__uint(type, BPF_MAP_TYPE_SK_STORAGE);
+	__uint(map_flags, BPF_F_NO_PREALLOC);
+	__type(key, int);
+	__type(value, int);
+} sk_stg_map SEC(".maps");
+
+#define DCTCP_MAX_ALPHA	1024U
+
+struct dctcp {
+	__u32 old_delivered;
+	__u32 old_delivered_ce;
+	__u32 prior_rcv_nxt;
+	__u32 dctcp_alpha;
+	__u32 next_seq;
+	__u32 ce_state;
+	__u32 loss_cwnd;
+};
+
+static unsigned int dctcp_shift_g = 4; /* g = 1/2^4 */
+static unsigned int dctcp_alpha_on_init = DCTCP_MAX_ALPHA;
+
+static __always_inline void dctcp_reset(const struct tcp_sock *tp,
+					struct dctcp *ca)
+{
+	ca->next_seq = tp->snd_nxt;
+
+	ca->old_delivered = tp->delivered;
+	ca->old_delivered_ce = tp->delivered_ce;
+}
+
+SEC("struct_ops/dctcp_init")
+void BPF_PROG(dctcp_init, struct sock *sk)
+{
+	const struct tcp_sock *tp = tcp_sk(sk);
+	struct dctcp *ca = inet_csk_ca(sk);
+	int *stg;
+
+	if (!(tp->ecn_flags & TCP_ECN_OK) && fallback[0]) {
+		/* Switch to fallback */
+		if (bpf_setsockopt(sk, SOL_TCP, TCP_CONGESTION,
+				   (void *)fallback, sizeof(fallback)) == -EBUSY)
+			ebusy_cnt++;
+
+		/* Switch back to myself and the recurred dctcp_init()
+		 * will get -EBUSY for all bpf_setsockopt(TCP_CONGESTION),
+		 * except the last "cdg" one.
+		 */
+		if (bpf_setsockopt(sk, SOL_TCP, TCP_CONGESTION,
+				   (void *)bpf_dctcp, sizeof(bpf_dctcp)) == -EBUSY)
+			ebusy_cnt++;
+
+		/* Switch back to fallback */
+		if (bpf_setsockopt(sk, SOL_TCP, TCP_CONGESTION,
+				   (void *)fallback, sizeof(fallback)) == -EBUSY)
+			ebusy_cnt++;
+
+		/* Expecting -ENOTSUPP for tcp_cdg_res */
+		tcp_cdg_res = bpf_setsockopt(sk, SOL_TCP, TCP_CONGESTION,
+					     (void *)tcp_cdg, sizeof(tcp_cdg));
+		bpf_getsockopt(sk, SOL_TCP, TCP_CONGESTION,
+			       (void *)cc_res, sizeof(cc_res));
+		return;
+	}
+
+	ca->prior_rcv_nxt = tp->rcv_nxt;
+	ca->dctcp_alpha = min(dctcp_alpha_on_init, DCTCP_MAX_ALPHA);
+	ca->loss_cwnd = 0;
+	ca->ce_state = 0;
+
+	stg = bpf_sk_storage_get(&sk_stg_map, (void *)tp, NULL, 0);
+	if (stg) {
+		stg_result = *stg;
+		bpf_sk_storage_delete(&sk_stg_map, (void *)tp);
+	}
+	dctcp_reset(tp, ca);
+}
+
+SEC("struct_ops/dctcp_ssthresh")
+__u32 BPF_PROG(dctcp_ssthresh, struct sock *sk)
+{
+	struct dctcp *ca = inet_csk_ca(sk);
+	struct tcp_sock *tp = tcp_sk(sk);
+
+	ca->loss_cwnd = tp->snd_cwnd;
+	return max(tp->snd_cwnd - ((tp->snd_cwnd * ca->dctcp_alpha) >> 11U), 2U);
+}
+
+SEC("struct_ops/dctcp_update_alpha")
+void BPF_PROG(dctcp_update_alpha, struct sock *sk, __u32 flags)
+{
+	const struct tcp_sock *tp = tcp_sk(sk);
+	struct dctcp *ca = inet_csk_ca(sk);
+
+	/* Expired RTT */
+	if (!before(tp->snd_una, ca->next_seq)) {
+		__u32 delivered_ce = tp->delivered_ce - ca->old_delivered_ce;
+		__u32 alpha = ca->dctcp_alpha;
+
+		/* alpha = (1 - g) * alpha + g * F */
+
+		alpha -= min_not_zero(alpha, alpha >> dctcp_shift_g);
+		if (delivered_ce) {
+			__u32 delivered = tp->delivered - ca->old_delivered;
+
+			/* If dctcp_shift_g == 1, a 32bit value would overflow
+			 * after 8 M packets.
+			 */
+			delivered_ce <<= (10 - dctcp_shift_g);
+			delivered_ce /= max(1U, delivered);
+
+			alpha = min(alpha + delivered_ce, DCTCP_MAX_ALPHA);
+		}
+		ca->dctcp_alpha = alpha;
+		dctcp_reset(tp, ca);
+	}
+}
+
+static __always_inline void dctcp_react_to_loss(struct sock *sk)
+{
+	struct dctcp *ca = inet_csk_ca(sk);
+	struct tcp_sock *tp = tcp_sk(sk);
+
+	ca->loss_cwnd = tp->snd_cwnd;
+	tp->snd_ssthresh = max(tp->snd_cwnd >> 1U, 2U);
+}
+
+SEC("struct_ops/dctcp_state")
+void BPF_PROG(dctcp_state, struct sock *sk, __u8 new_state)
+{
+	if (new_state == TCP_CA_Recovery &&
+	    new_state != BPF_CORE_READ_BITFIELD(inet_csk(sk), icsk_ca_state))
+		dctcp_react_to_loss(sk);
+	/* We handle RTO in dctcp_cwnd_event to ensure that we perform only
+	 * one loss-adjustment per RTT.
+	 */
+}
+
+static __always_inline void dctcp_ece_ack_cwr(struct sock *sk, __u32 ce_state)
+{
+	struct tcp_sock *tp = tcp_sk(sk);
+
+	if (ce_state == 1)
+		tp->ecn_flags |= TCP_ECN_DEMAND_CWR;
+	else
+		tp->ecn_flags &= ~TCP_ECN_DEMAND_CWR;
+}
+
+/* Minimal DCTP CE state machine:
+ *
+ * S:	0 <- last pkt was non-CE
+ *	1 <- last pkt was CE
+ */
+static __always_inline
+void dctcp_ece_ack_update(struct sock *sk, enum tcp_ca_event evt,
+			  __u32 *prior_rcv_nxt, __u32 *ce_state)
+{
+	__u32 new_ce_state = (evt == CA_EVENT_ECN_IS_CE) ? 1 : 0;
+
+	if (*ce_state != new_ce_state) {
+		/* CE state has changed, force an immediate ACK to
+		 * reflect the new CE state. If an ACK was delayed,
+		 * send that first to reflect the prior CE state.
+		 */
+		if (inet_csk(sk)->icsk_ack.pending & ICSK_ACK_TIMER) {
+			dctcp_ece_ack_cwr(sk, *ce_state);
+			bpf_tcp_send_ack(sk, *prior_rcv_nxt);
+		}
+		inet_csk(sk)->icsk_ack.pending |= ICSK_ACK_NOW;
+	}
+	*prior_rcv_nxt = tcp_sk(sk)->rcv_nxt;
+	*ce_state = new_ce_state;
+	dctcp_ece_ack_cwr(sk, new_ce_state);
+}
+
+SEC("struct_ops/dctcp_cwnd_event")
+void BPF_PROG(dctcp_cwnd_event, struct sock *sk, enum tcp_ca_event ev)
+{
+	struct dctcp *ca = inet_csk_ca(sk);
+
+	switch (ev) {
+	case CA_EVENT_ECN_IS_CE:
+	case CA_EVENT_ECN_NO_CE:
+		dctcp_ece_ack_update(sk, ev, &ca->prior_rcv_nxt, &ca->ce_state);
+		break;
+	case CA_EVENT_LOSS:
+		dctcp_react_to_loss(sk);
+		break;
+	default:
+		/* Don't care for the rest. */
+		break;
+	}
+}
+
+SEC("struct_ops/dctcp_cwnd_undo")
+__u32 BPF_PROG(dctcp_cwnd_undo, struct sock *sk)
+{
+	const struct dctcp *ca = inet_csk_ca(sk);
+
+	return max(tcp_sk(sk)->snd_cwnd, ca->loss_cwnd);
+}
+
+extern void tcp_reno_cong_avoid(struct sock *sk, __u32 ack, __u32 acked) __ksym;
+
+SEC("struct_ops/dctcp_reno_cong_avoid")
+void BPF_PROG(dctcp_cong_avoid, struct sock *sk, __u32 ack, __u32 acked)
+{
+	tcp_reno_cong_avoid(sk, ack, acked);
+}
+
+SEC(".struct_ops")
+struct tcp_congestion_ops dctcp_nouse = {
+	.init		= (void *)dctcp_init,
+	.set_state	= (void *)dctcp_state,
+	.flags		= TCP_CONG_NEEDS_ECN,
+	.name		= "bpf_dctcp_nouse",
+};
+
+SEC(".struct_ops")
+struct tcp_congestion_ops dctcp = {
+	.init		= (void *)dctcp_init,
+	.in_ack_event   = (void *)dctcp_update_alpha,
+	.cwnd_event	= (void *)dctcp_cwnd_event,
+	.ssthresh	= (void *)dctcp_ssthresh,
+	.cong_avoid	= (void *)dctcp_cong_avoid,
+	.undo_cwnd	= (void *)dctcp_cwnd_undo,
+	.set_state	= (void *)dctcp_state,
+	.flags		= TCP_CONG_NEEDS_ECN,
+	.name		= "bpf_dctcp",
+};
diff --git a/tools/testing/selftests/bpf/progs/bpf_dctcp_release.c b/tools/testing/selftests/bpf/progs/bpf_dctcp_release.c
new file mode 100644
index 000000000..d836f7c37
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/bpf_dctcp_release.c
@@ -0,0 +1,26 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2021 Facebook */
+
+#include <stddef.h>
+#include <linux/bpf.h>
+#include <linux/types.h>
+#include <linux/stddef.h>
+#include <linux/tcp.h>
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_tracing.h>
+#include "bpf_tcp_helpers.h"
+
+char _license[] SEC("license") = "GPL";
+const char cubic[] = "cubic";
+
+void BPF_STRUCT_OPS(dctcp_nouse_release, struct sock *sk)
+{
+	bpf_setsockopt(sk, SOL_TCP, TCP_CONGESTION,
+		       (void *)cubic, sizeof(cubic));
+}
+
+SEC(".struct_ops")
+struct tcp_congestion_ops dctcp_rel = {
+	.release	= (void *)dctcp_nouse_release,
+	.name		= "bpf_dctcp_rel",
+};
diff --git a/tools/testing/selftests/bpf/progs/bpf_flow.c b/tools/testing/selftests/bpf/progs/bpf_flow.c
new file mode 100644
index 000000000..a20c5ed5e
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/bpf_flow.c
@@ -0,0 +1,437 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <limits.h>
+#include <stddef.h>
+#include <stdbool.h>
+#include <string.h>
+#include <linux/pkt_cls.h>
+#include <linux/bpf.h>
+#include <linux/in.h>
+#include <linux/if_ether.h>
+#include <linux/icmp.h>
+#include <linux/ip.h>
+#include <linux/ipv6.h>
+#include <linux/tcp.h>
+#include <linux/udp.h>
+#include <linux/if_packet.h>
+#include <sys/socket.h>
+#include <linux/if_tunnel.h>
+#include <linux/mpls.h>
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_endian.h>
+
+#define PROG(F) PROG_(F, _##F)
+#define PROG_(NUM, NAME) SEC("flow_dissector") int flow_dissector_##NUM
+
+#define FLOW_CONTINUE_SADDR 0x7f00007f /* 127.0.0.127 */
+
+/* These are the identifiers of the BPF programs that will be used in tail
+ * calls. Name is limited to 16 characters, with the terminating character and
+ * bpf_func_ above, we have only 6 to work with, anything after will be cropped.
+ */
+#define IP		0
+#define IPV6		1
+#define IPV6OP		2 /* Destination/Hop-by-Hop Options IPv6 Ext. Header */
+#define IPV6FR		3 /* Fragmentation IPv6 Extension Header */
+#define MPLS		4
+#define VLAN		5
+#define MAX_PROG	6
+
+#define IP_MF		0x2000
+#define IP_OFFSET	0x1FFF
+#define IP6_MF		0x0001
+#define IP6_OFFSET	0xFFF8
+
+struct vlan_hdr {
+	__be16 h_vlan_TCI;
+	__be16 h_vlan_encapsulated_proto;
+};
+
+struct gre_hdr {
+	__be16 flags;
+	__be16 proto;
+};
+
+struct frag_hdr {
+	__u8 nexthdr;
+	__u8 reserved;
+	__be16 frag_off;
+	__be32 identification;
+};
+
+struct {
+	__uint(type, BPF_MAP_TYPE_PROG_ARRAY);
+	__uint(max_entries, MAX_PROG);
+	__uint(key_size, sizeof(__u32));
+	__uint(value_size, sizeof(__u32));
+} jmp_table SEC(".maps");
+
+struct {
+	__uint(type, BPF_MAP_TYPE_HASH);
+	__uint(max_entries, 1024);
+	__type(key, __u32);
+	__type(value, struct bpf_flow_keys);
+} last_dissection SEC(".maps");
+
+static __always_inline int export_flow_keys(struct bpf_flow_keys *keys,
+					    int ret)
+{
+	__u32 key = (__u32)(keys->sport) << 16 | keys->dport;
+	struct bpf_flow_keys val;
+
+	memcpy(&val, keys, sizeof(val));
+	bpf_map_update_elem(&last_dissection, &key, &val, BPF_ANY);
+	return ret;
+}
+
+#define IPV6_FLOWLABEL_MASK		__bpf_constant_htonl(0x000FFFFF)
+static inline __be32 ip6_flowlabel(const struct ipv6hdr *hdr)
+{
+	return *(__be32 *)hdr & IPV6_FLOWLABEL_MASK;
+}
+
+static __always_inline void *bpf_flow_dissect_get_header(struct __sk_buff *skb,
+							 __u16 hdr_size,
+							 void *buffer)
+{
+	void *data_end = (void *)(long)skb->data_end;
+	void *data = (void *)(long)skb->data;
+	__u16 thoff = skb->flow_keys->thoff;
+	__u8 *hdr;
+
+	/* Verifies this variable offset does not overflow */
+	if (thoff > (USHRT_MAX - hdr_size))
+		return NULL;
+
+	hdr = data + thoff;
+	if (hdr + hdr_size <= data_end)
+		return hdr;
+
+	if (bpf_skb_load_bytes(skb, thoff, buffer, hdr_size))
+		return NULL;
+
+	return buffer;
+}
+
+/* Dispatches on ETHERTYPE */
+static __always_inline int parse_eth_proto(struct __sk_buff *skb, __be16 proto)
+{
+	struct bpf_flow_keys *keys = skb->flow_keys;
+
+	switch (proto) {
+	case bpf_htons(ETH_P_IP):
+		bpf_tail_call_static(skb, &jmp_table, IP);
+		break;
+	case bpf_htons(ETH_P_IPV6):
+		bpf_tail_call_static(skb, &jmp_table, IPV6);
+		break;
+	case bpf_htons(ETH_P_MPLS_MC):
+	case bpf_htons(ETH_P_MPLS_UC):
+		bpf_tail_call_static(skb, &jmp_table, MPLS);
+		break;
+	case bpf_htons(ETH_P_8021Q):
+	case bpf_htons(ETH_P_8021AD):
+		bpf_tail_call_static(skb, &jmp_table, VLAN);
+		break;
+	default:
+		/* Protocol not supported */
+		return export_flow_keys(keys, BPF_DROP);
+	}
+
+	return export_flow_keys(keys, BPF_DROP);
+}
+
+SEC("flow_dissector")
+int _dissect(struct __sk_buff *skb)
+{
+	struct bpf_flow_keys *keys = skb->flow_keys;
+
+	if (keys->n_proto == bpf_htons(ETH_P_IP)) {
+		/* IP traffic from FLOW_CONTINUE_SADDR falls-back to
+		 * standard dissector
+		 */
+		struct iphdr *iph, _iph;
+
+		iph = bpf_flow_dissect_get_header(skb, sizeof(*iph), &_iph);
+		if (iph && iph->ihl == 5 &&
+		    iph->saddr == bpf_htonl(FLOW_CONTINUE_SADDR)) {
+			return BPF_FLOW_DISSECTOR_CONTINUE;
+		}
+	}
+
+	return parse_eth_proto(skb, keys->n_proto);
+}
+
+/* Parses on IPPROTO_* */
+static __always_inline int parse_ip_proto(struct __sk_buff *skb, __u8 proto)
+{
+	struct bpf_flow_keys *keys = skb->flow_keys;
+	void *data_end = (void *)(long)skb->data_end;
+	struct icmphdr *icmp, _icmp;
+	struct gre_hdr *gre, _gre;
+	struct ethhdr *eth, _eth;
+	struct tcphdr *tcp, _tcp;
+	struct udphdr *udp, _udp;
+
+	switch (proto) {
+	case IPPROTO_ICMP:
+		icmp = bpf_flow_dissect_get_header(skb, sizeof(*icmp), &_icmp);
+		if (!icmp)
+			return export_flow_keys(keys, BPF_DROP);
+		return export_flow_keys(keys, BPF_OK);
+	case IPPROTO_IPIP:
+		keys->is_encap = true;
+		if (keys->flags & BPF_FLOW_DISSECTOR_F_STOP_AT_ENCAP)
+			return export_flow_keys(keys, BPF_OK);
+
+		return parse_eth_proto(skb, bpf_htons(ETH_P_IP));
+	case IPPROTO_IPV6:
+		keys->is_encap = true;
+		if (keys->flags & BPF_FLOW_DISSECTOR_F_STOP_AT_ENCAP)
+			return export_flow_keys(keys, BPF_OK);
+
+		return parse_eth_proto(skb, bpf_htons(ETH_P_IPV6));
+	case IPPROTO_GRE:
+		gre = bpf_flow_dissect_get_header(skb, sizeof(*gre), &_gre);
+		if (!gre)
+			return export_flow_keys(keys, BPF_DROP);
+
+		if (bpf_htons(gre->flags & GRE_VERSION))
+			/* Only inspect standard GRE packets with version 0 */
+			return export_flow_keys(keys, BPF_OK);
+
+		keys->thoff += sizeof(*gre); /* Step over GRE Flags and Proto */
+		if (GRE_IS_CSUM(gre->flags))
+			keys->thoff += 4; /* Step over chksum and Padding */
+		if (GRE_IS_KEY(gre->flags))
+			keys->thoff += 4; /* Step over key */
+		if (GRE_IS_SEQ(gre->flags))
+			keys->thoff += 4; /* Step over sequence number */
+
+		keys->is_encap = true;
+		if (keys->flags & BPF_FLOW_DISSECTOR_F_STOP_AT_ENCAP)
+			return export_flow_keys(keys, BPF_OK);
+
+		if (gre->proto == bpf_htons(ETH_P_TEB)) {
+			eth = bpf_flow_dissect_get_header(skb, sizeof(*eth),
+							  &_eth);
+			if (!eth)
+				return export_flow_keys(keys, BPF_DROP);
+
+			keys->thoff += sizeof(*eth);
+
+			return parse_eth_proto(skb, eth->h_proto);
+		} else {
+			return parse_eth_proto(skb, gre->proto);
+		}
+	case IPPROTO_TCP:
+		tcp = bpf_flow_dissect_get_header(skb, sizeof(*tcp), &_tcp);
+		if (!tcp)
+			return export_flow_keys(keys, BPF_DROP);
+
+		if (tcp->doff < 5)
+			return export_flow_keys(keys, BPF_DROP);
+
+		if ((__u8 *)tcp + (tcp->doff << 2) > data_end)
+			return export_flow_keys(keys, BPF_DROP);
+
+		keys->sport = tcp->source;
+		keys->dport = tcp->dest;
+		return export_flow_keys(keys, BPF_OK);
+	case IPPROTO_UDP:
+	case IPPROTO_UDPLITE:
+		udp = bpf_flow_dissect_get_header(skb, sizeof(*udp), &_udp);
+		if (!udp)
+			return export_flow_keys(keys, BPF_DROP);
+
+		keys->sport = udp->source;
+		keys->dport = udp->dest;
+		return export_flow_keys(keys, BPF_OK);
+	default:
+		return export_flow_keys(keys, BPF_DROP);
+	}
+
+	return export_flow_keys(keys, BPF_DROP);
+}
+
+static __always_inline int parse_ipv6_proto(struct __sk_buff *skb, __u8 nexthdr)
+{
+	struct bpf_flow_keys *keys = skb->flow_keys;
+
+	switch (nexthdr) {
+	case IPPROTO_HOPOPTS:
+	case IPPROTO_DSTOPTS:
+		bpf_tail_call_static(skb, &jmp_table, IPV6OP);
+		break;
+	case IPPROTO_FRAGMENT:
+		bpf_tail_call_static(skb, &jmp_table, IPV6FR);
+		break;
+	default:
+		return parse_ip_proto(skb, nexthdr);
+	}
+
+	return export_flow_keys(keys, BPF_DROP);
+}
+
+PROG(IP)(struct __sk_buff *skb)
+{
+	void *data_end = (void *)(long)skb->data_end;
+	struct bpf_flow_keys *keys = skb->flow_keys;
+	void *data = (void *)(long)skb->data;
+	struct iphdr *iph, _iph;
+	bool done = false;
+
+	iph = bpf_flow_dissect_get_header(skb, sizeof(*iph), &_iph);
+	if (!iph)
+		return export_flow_keys(keys, BPF_DROP);
+
+	/* IP header cannot be smaller than 20 bytes */
+	if (iph->ihl < 5)
+		return export_flow_keys(keys, BPF_DROP);
+
+	keys->addr_proto = ETH_P_IP;
+	keys->ipv4_src = iph->saddr;
+	keys->ipv4_dst = iph->daddr;
+	keys->ip_proto = iph->protocol;
+
+	keys->thoff += iph->ihl << 2;
+	if (data + keys->thoff > data_end)
+		return export_flow_keys(keys, BPF_DROP);
+
+	if (iph->frag_off & bpf_htons(IP_MF | IP_OFFSET)) {
+		keys->is_frag = true;
+		if (iph->frag_off & bpf_htons(IP_OFFSET)) {
+			/* From second fragment on, packets do not have headers
+			 * we can parse.
+			 */
+			done = true;
+		} else {
+			keys->is_first_frag = true;
+			/* No need to parse fragmented packet unless
+			 * explicitly asked for.
+			 */
+			if (!(keys->flags &
+			      BPF_FLOW_DISSECTOR_F_PARSE_1ST_FRAG))
+				done = true;
+		}
+	}
+
+	if (done)
+		return export_flow_keys(keys, BPF_OK);
+
+	return parse_ip_proto(skb, iph->protocol);
+}
+
+PROG(IPV6)(struct __sk_buff *skb)
+{
+	struct bpf_flow_keys *keys = skb->flow_keys;
+	struct ipv6hdr *ip6h, _ip6h;
+
+	ip6h = bpf_flow_dissect_get_header(skb, sizeof(*ip6h), &_ip6h);
+	if (!ip6h)
+		return export_flow_keys(keys, BPF_DROP);
+
+	keys->addr_proto = ETH_P_IPV6;
+	memcpy(&keys->ipv6_src, &ip6h->saddr, 2*sizeof(ip6h->saddr));
+
+	keys->thoff += sizeof(struct ipv6hdr);
+	keys->ip_proto = ip6h->nexthdr;
+	keys->flow_label = ip6_flowlabel(ip6h);
+
+	if (keys->flags & BPF_FLOW_DISSECTOR_F_STOP_AT_FLOW_LABEL)
+		return export_flow_keys(keys, BPF_OK);
+
+	return parse_ipv6_proto(skb, ip6h->nexthdr);
+}
+
+PROG(IPV6OP)(struct __sk_buff *skb)
+{
+	struct bpf_flow_keys *keys = skb->flow_keys;
+	struct ipv6_opt_hdr *ip6h, _ip6h;
+
+	ip6h = bpf_flow_dissect_get_header(skb, sizeof(*ip6h), &_ip6h);
+	if (!ip6h)
+		return export_flow_keys(keys, BPF_DROP);
+
+	/* hlen is in 8-octets and does not include the first 8 bytes
+	 * of the header
+	 */
+	keys->thoff += (1 + ip6h->hdrlen) << 3;
+	keys->ip_proto = ip6h->nexthdr;
+
+	return parse_ipv6_proto(skb, ip6h->nexthdr);
+}
+
+PROG(IPV6FR)(struct __sk_buff *skb)
+{
+	struct bpf_flow_keys *keys = skb->flow_keys;
+	struct frag_hdr *fragh, _fragh;
+
+	fragh = bpf_flow_dissect_get_header(skb, sizeof(*fragh), &_fragh);
+	if (!fragh)
+		return export_flow_keys(keys, BPF_DROP);
+
+	keys->thoff += sizeof(*fragh);
+	keys->is_frag = true;
+	keys->ip_proto = fragh->nexthdr;
+
+	if (!(fragh->frag_off & bpf_htons(IP6_OFFSET))) {
+		keys->is_first_frag = true;
+
+		/* No need to parse fragmented packet unless
+		 * explicitly asked for.
+		 */
+		if (!(keys->flags & BPF_FLOW_DISSECTOR_F_PARSE_1ST_FRAG))
+			return export_flow_keys(keys, BPF_OK);
+	} else {
+		return export_flow_keys(keys, BPF_OK);
+	}
+
+	return parse_ipv6_proto(skb, fragh->nexthdr);
+}
+
+PROG(MPLS)(struct __sk_buff *skb)
+{
+	struct bpf_flow_keys *keys = skb->flow_keys;
+	struct mpls_label *mpls, _mpls;
+
+	mpls = bpf_flow_dissect_get_header(skb, sizeof(*mpls), &_mpls);
+	if (!mpls)
+		return export_flow_keys(keys, BPF_DROP);
+
+	return export_flow_keys(keys, BPF_OK);
+}
+
+PROG(VLAN)(struct __sk_buff *skb)
+{
+	struct bpf_flow_keys *keys = skb->flow_keys;
+	struct vlan_hdr *vlan, _vlan;
+
+	/* Account for double-tagging */
+	if (keys->n_proto == bpf_htons(ETH_P_8021AD)) {
+		vlan = bpf_flow_dissect_get_header(skb, sizeof(*vlan), &_vlan);
+		if (!vlan)
+			return export_flow_keys(keys, BPF_DROP);
+
+		if (vlan->h_vlan_encapsulated_proto != bpf_htons(ETH_P_8021Q))
+			return export_flow_keys(keys, BPF_DROP);
+
+		keys->nhoff += sizeof(*vlan);
+		keys->thoff += sizeof(*vlan);
+	}
+
+	vlan = bpf_flow_dissect_get_header(skb, sizeof(*vlan), &_vlan);
+	if (!vlan)
+		return export_flow_keys(keys, BPF_DROP);
+
+	keys->nhoff += sizeof(*vlan);
+	keys->thoff += sizeof(*vlan);
+	/* Only allow 8021AD + 8021Q double tagging and no triple tagging.*/
+	if (vlan->h_vlan_encapsulated_proto == bpf_htons(ETH_P_8021AD) ||
+	    vlan->h_vlan_encapsulated_proto == bpf_htons(ETH_P_8021Q))
+		return export_flow_keys(keys, BPF_DROP);
+
+	keys->n_proto = vlan->h_vlan_encapsulated_proto;
+	return parse_eth_proto(skb, vlan->h_vlan_encapsulated_proto);
+}
+
+char __license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/bpf_hashmap_full_update_bench.c b/tools/testing/selftests/bpf/progs/bpf_hashmap_full_update_bench.c
new file mode 100644
index 000000000..56957557e
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/bpf_hashmap_full_update_bench.c
@@ -0,0 +1,40 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2022 Bytedance */
+
+#include "vmlinux.h"
+#include <bpf/bpf_helpers.h>
+#include "bpf_misc.h"
+
+char _license[] SEC("license") = "GPL";
+
+#define MAX_ENTRIES 1000
+
+struct {
+	__uint(type, BPF_MAP_TYPE_HASH);
+	__type(key, u32);
+	__type(value, u64);
+	__uint(max_entries, MAX_ENTRIES);
+} hash_map_bench SEC(".maps");
+
+u64 __attribute__((__aligned__(256))) percpu_time[256];
+u64 nr_loops;
+
+static int loop_update_callback(__u32 index, u32 *key)
+{
+	u64 init_val = 1;
+
+	bpf_map_update_elem(&hash_map_bench, key, &init_val, BPF_ANY);
+	return 0;
+}
+
+SEC("fentry/" SYS_PREFIX "sys_getpgid")
+int benchmark(void *ctx)
+{
+	u32 cpu = bpf_get_smp_processor_id();
+	u32 key = cpu + MAX_ENTRIES;
+	u64 start_time = bpf_ktime_get_ns();
+
+	bpf_loop(nr_loops, loop_update_callback, &key, 0);
+	percpu_time[cpu & 255] = bpf_ktime_get_ns() - start_time;
+	return 0;
+}
diff --git a/tools/testing/selftests/bpf/progs/bpf_iter.h b/tools/testing/selftests/bpf/progs/bpf_iter.h
new file mode 100644
index 000000000..c41ee8053
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/bpf_iter.h
@@ -0,0 +1,167 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* Copyright (c) 2020 Facebook */
+/* "undefine" structs in vmlinux.h, because we "override" them below */
+#define bpf_iter_meta bpf_iter_meta___not_used
+#define bpf_iter__bpf_map bpf_iter__bpf_map___not_used
+#define bpf_iter__ipv6_route bpf_iter__ipv6_route___not_used
+#define bpf_iter__netlink bpf_iter__netlink___not_used
+#define bpf_iter__task bpf_iter__task___not_used
+#define bpf_iter__task_file bpf_iter__task_file___not_used
+#define bpf_iter__task_vma bpf_iter__task_vma___not_used
+#define bpf_iter__tcp bpf_iter__tcp___not_used
+#define tcp6_sock tcp6_sock___not_used
+#define bpf_iter__udp bpf_iter__udp___not_used
+#define udp6_sock udp6_sock___not_used
+#define bpf_iter__unix bpf_iter__unix___not_used
+#define bpf_iter__bpf_map_elem bpf_iter__bpf_map_elem___not_used
+#define bpf_iter__bpf_sk_storage_map bpf_iter__bpf_sk_storage_map___not_used
+#define bpf_iter__sockmap bpf_iter__sockmap___not_used
+#define bpf_iter__bpf_link bpf_iter__bpf_link___not_used
+#define bpf_iter__cgroup bpf_iter__cgroup___not_used
+#define btf_ptr btf_ptr___not_used
+#define BTF_F_COMPACT BTF_F_COMPACT___not_used
+#define BTF_F_NONAME BTF_F_NONAME___not_used
+#define BTF_F_PTR_RAW BTF_F_PTR_RAW___not_used
+#define BTF_F_ZERO BTF_F_ZERO___not_used
+#define bpf_iter__ksym bpf_iter__ksym___not_used
+#include "vmlinux.h"
+#undef bpf_iter_meta
+#undef bpf_iter__bpf_map
+#undef bpf_iter__ipv6_route
+#undef bpf_iter__netlink
+#undef bpf_iter__task
+#undef bpf_iter__task_file
+#undef bpf_iter__task_vma
+#undef bpf_iter__tcp
+#undef tcp6_sock
+#undef bpf_iter__udp
+#undef udp6_sock
+#undef bpf_iter__unix
+#undef bpf_iter__bpf_map_elem
+#undef bpf_iter__bpf_sk_storage_map
+#undef bpf_iter__sockmap
+#undef bpf_iter__bpf_link
+#undef bpf_iter__cgroup
+#undef btf_ptr
+#undef BTF_F_COMPACT
+#undef BTF_F_NONAME
+#undef BTF_F_PTR_RAW
+#undef BTF_F_ZERO
+#undef bpf_iter__ksym
+
+struct bpf_iter_meta {
+	struct seq_file *seq;
+	__u64 session_id;
+	__u64 seq_num;
+} __attribute__((preserve_access_index));
+
+struct bpf_iter__ipv6_route {
+	struct bpf_iter_meta *meta;
+	struct fib6_info *rt;
+} __attribute__((preserve_access_index));
+
+struct bpf_iter__netlink {
+	struct bpf_iter_meta *meta;
+	struct netlink_sock *sk;
+} __attribute__((preserve_access_index));
+
+struct bpf_iter__task {
+	struct bpf_iter_meta *meta;
+	struct task_struct *task;
+} __attribute__((preserve_access_index));
+
+struct bpf_iter__task_file {
+	struct bpf_iter_meta *meta;
+	struct task_struct *task;
+	__u32 fd;
+	struct file *file;
+} __attribute__((preserve_access_index));
+
+struct bpf_iter__task_vma {
+	struct bpf_iter_meta *meta;
+	struct task_struct *task;
+	struct vm_area_struct *vma;
+} __attribute__((preserve_access_index));
+
+struct bpf_iter__bpf_map {
+	struct bpf_iter_meta *meta;
+	struct bpf_map *map;
+} __attribute__((preserve_access_index));
+
+struct bpf_iter__tcp {
+	struct bpf_iter_meta *meta;
+	struct sock_common *sk_common;
+	uid_t uid;
+} __attribute__((preserve_access_index));
+
+struct tcp6_sock {
+	struct tcp_sock	tcp;
+	struct ipv6_pinfo inet6;
+} __attribute__((preserve_access_index));
+
+struct bpf_iter__udp {
+	struct bpf_iter_meta *meta;
+	struct udp_sock *udp_sk;
+	uid_t uid __attribute__((aligned(8)));
+	int bucket __attribute__((aligned(8)));
+} __attribute__((preserve_access_index));
+
+struct udp6_sock {
+	struct udp_sock	udp;
+	struct ipv6_pinfo inet6;
+} __attribute__((preserve_access_index));
+
+struct bpf_iter__unix {
+	struct bpf_iter_meta *meta;
+	struct unix_sock *unix_sk;
+	uid_t uid;
+} __attribute__((preserve_access_index));
+
+struct bpf_iter__bpf_map_elem {
+	struct bpf_iter_meta *meta;
+	struct bpf_map *map;
+	void *key;
+	void *value;
+};
+
+struct bpf_iter__bpf_sk_storage_map {
+	struct bpf_iter_meta *meta;
+	struct bpf_map *map;
+	struct sock *sk;
+	void *value;
+};
+
+struct bpf_iter__sockmap {
+	struct bpf_iter_meta *meta;
+	struct bpf_map *map;
+	void *key;
+	struct sock *sk;
+};
+
+struct bpf_iter__bpf_link {
+	struct bpf_iter_meta *meta;
+	struct bpf_link *link;
+};
+
+struct bpf_iter__cgroup {
+	struct bpf_iter_meta *meta;
+	struct cgroup *cgroup;
+} __attribute__((preserve_access_index));
+
+struct btf_ptr {
+	void *ptr;
+	__u32 type_id;
+	__u32 flags;
+};
+
+enum {
+	BTF_F_COMPACT	=	(1ULL << 0),
+	BTF_F_NONAME	=	(1ULL << 1),
+	BTF_F_PTR_RAW	=	(1ULL << 2),
+	BTF_F_ZERO	=	(1ULL << 3),
+};
+
+struct bpf_iter__ksym {
+	struct bpf_iter_meta *meta;
+	struct kallsym_iter *ksym;
+};
diff --git a/tools/testing/selftests/bpf/progs/bpf_iter_bpf_array_map.c b/tools/testing/selftests/bpf/progs/bpf_iter_bpf_array_map.c
new file mode 100644
index 000000000..6286023fd
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/bpf_iter_bpf_array_map.c
@@ -0,0 +1,40 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2020 Facebook */
+#include "bpf_iter.h"
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_tracing.h>
+
+char _license[] SEC("license") = "GPL";
+
+struct key_t {
+	int a;
+	int b;
+	int c;
+};
+
+struct {
+	__uint(type, BPF_MAP_TYPE_ARRAY);
+	__uint(max_entries, 3);
+	__type(key, __u32);
+	__type(value, __u64);
+} arraymap1 SEC(".maps");
+
+__u32 key_sum = 0;
+__u64 val_sum = 0;
+
+SEC("iter/bpf_map_elem")
+int dump_bpf_array_map(struct bpf_iter__bpf_map_elem *ctx)
+{
+	__u32 *key = ctx->key;
+	__u64 *val = ctx->value;
+
+	if (key == (void *)0 || val == (void *)0)
+		return 0;
+
+	bpf_seq_write(ctx->meta->seq, key, sizeof(__u32));
+	bpf_seq_write(ctx->meta->seq, val, sizeof(__u64));
+	key_sum += *key;
+	val_sum += *val;
+	*val = *key;
+	return 0;
+}
diff --git a/tools/testing/selftests/bpf/progs/bpf_iter_bpf_hash_map.c b/tools/testing/selftests/bpf/progs/bpf_iter_bpf_hash_map.c
new file mode 100644
index 000000000..d7a69217f
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/bpf_iter_bpf_hash_map.c
@@ -0,0 +1,123 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2020 Facebook */
+#include "bpf_iter.h"
+#include <bpf/bpf_helpers.h>
+
+char _license[] SEC("license") = "GPL";
+
+struct key_t {
+	int a;
+	int b;
+	int c;
+};
+
+struct {
+	__uint(type, BPF_MAP_TYPE_HASH);
+	__uint(max_entries, 3);
+	__type(key, struct key_t);
+	__type(value, __u64);
+} hashmap1 SEC(".maps");
+
+struct {
+	__uint(type, BPF_MAP_TYPE_HASH);
+	__uint(max_entries, 3);
+	__type(key, __u64);
+	__type(value, __u64);
+} hashmap2 SEC(".maps");
+
+struct {
+	__uint(type, BPF_MAP_TYPE_HASH);
+	__uint(max_entries, 3);
+	__type(key, struct key_t);
+	__type(value, __u32);
+} hashmap3 SEC(".maps");
+
+/* will set before prog run */
+bool in_test_mode = 0;
+
+/* will collect results during prog run */
+__u32 key_sum_a = 0, key_sum_b = 0, key_sum_c = 0;
+__u64 val_sum = 0;
+
+SEC("iter/bpf_map_elem")
+int dump_bpf_hash_map(struct bpf_iter__bpf_map_elem *ctx)
+{
+	struct seq_file *seq = ctx->meta->seq;
+	__u32 seq_num = ctx->meta->seq_num;
+	struct bpf_map *map = ctx->map;
+	struct key_t *key = ctx->key;
+	struct key_t tmp_key;
+	__u64 *val = ctx->value;
+	__u64 tmp_val = 0;
+	int ret;
+
+	if (in_test_mode) {
+		/* test mode is used by selftests to
+		 * test functionality of bpf_hash_map iter.
+		 *
+		 * the above hashmap1 will have correct size
+		 * and will be accepted, hashmap2 and hashmap3
+		 * should be rejected due to smaller key/value
+		 * size.
+		 */
+		if (key == (void *)0 || val == (void *)0)
+			return 0;
+
+		/* update the value and then delete the <key, value> pair.
+		 * it should not impact the existing 'val' which is still
+		 * accessible under rcu.
+		 */
+		__builtin_memcpy(&tmp_key, key, sizeof(struct key_t));
+		ret = bpf_map_update_elem(&hashmap1, &tmp_key, &tmp_val, 0);
+		if (ret)
+			return 0;
+		ret = bpf_map_delete_elem(&hashmap1, &tmp_key);
+		if (ret)
+			return 0;
+
+		key_sum_a += key->a;
+		key_sum_b += key->b;
+		key_sum_c += key->c;
+		val_sum += *val;
+		return 0;
+	}
+
+	/* non-test mode, the map is prepared with the
+	 * below bpftool command sequence:
+	 *   bpftool map create /sys/fs/bpf/m1 type hash \
+	 *   	key 12 value 8 entries 3 name map1
+	 *   bpftool map update id 77 key 0 0 0 1 0 0 0 0 0 0 0 1 \
+	 *   	value 0 0 0 1 0 0 0 1
+	 *   bpftool map update id 77 key 0 0 0 1 0 0 0 0 0 0 0 2 \
+	 *   	value 0 0 0 1 0 0 0 2
+	 * The bpftool iter command line:
+	 *   bpftool iter pin ./bpf_iter_bpf_hash_map.o /sys/fs/bpf/p1 \
+	 *   	map id 77
+	 * The below output will be:
+	 *   map dump starts
+	 *   77: (1000000 0 2000000) (200000001000000)
+	 *   77: (1000000 0 1000000) (100000001000000)
+	 *   map dump ends
+	 */
+	if (seq_num == 0)
+		BPF_SEQ_PRINTF(seq, "map dump starts\n");
+
+	if (key == (void *)0 || val == (void *)0) {
+		BPF_SEQ_PRINTF(seq, "map dump ends\n");
+		return 0;
+	}
+
+	BPF_SEQ_PRINTF(seq, "%d: (%x %d %x) (%llx)\n", map->id,
+		       key->a, key->b, key->c, *val);
+
+	return 0;
+}
+
+SEC("iter.s/bpf_map_elem")
+int sleepable_dummy_dump(struct bpf_iter__bpf_map_elem *ctx)
+{
+	if (ctx->meta->seq_num == 0)
+		BPF_SEQ_PRINTF(ctx->meta->seq, "map dump starts\n");
+
+	return 0;
+}
diff --git a/tools/testing/selftests/bpf/progs/bpf_iter_bpf_link.c b/tools/testing/selftests/bpf/progs/bpf_iter_bpf_link.c
new file mode 100644
index 000000000..e1af2f8f7
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/bpf_iter_bpf_link.c
@@ -0,0 +1,21 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2022 Red Hat, Inc. */
+#include "bpf_iter.h"
+#include <bpf/bpf_helpers.h>
+
+char _license[] SEC("license") = "GPL";
+
+SEC("iter/bpf_link")
+int dump_bpf_link(struct bpf_iter__bpf_link *ctx)
+{
+	struct seq_file *seq = ctx->meta->seq;
+	struct bpf_link *link = ctx->link;
+	int link_id;
+
+	if (!link)
+		return 0;
+
+	link_id = link->id;
+	bpf_seq_write(seq, &link_id, sizeof(link_id));
+	return 0;
+}
diff --git a/tools/testing/selftests/bpf/progs/bpf_iter_bpf_map.c b/tools/testing/selftests/bpf/progs/bpf_iter_bpf_map.c
new file mode 100644
index 000000000..6c39e86b6
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/bpf_iter_bpf_map.c
@@ -0,0 +1,27 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2020 Facebook */
+#include "bpf_iter.h"
+#include <bpf/bpf_helpers.h>
+
+char _license[] SEC("license") = "GPL";
+
+SEC("iter/bpf_map")
+int dump_bpf_map(struct bpf_iter__bpf_map *ctx)
+{
+	struct seq_file *seq = ctx->meta->seq;
+	__u64 seq_num = ctx->meta->seq_num;
+	struct bpf_map *map = ctx->map;
+
+	if (map == (void *)0) {
+		BPF_SEQ_PRINTF(seq, "      %%%%%% END %%%%%%\n");
+		return 0;
+	}
+
+	if (seq_num == 0)
+		BPF_SEQ_PRINTF(seq, "      id   refcnt  usercnt  locked_vm\n");
+
+	BPF_SEQ_PRINTF(seq, "%8u %8ld %8ld %10lu\n", map->id, map->refcnt.counter,
+		       map->usercnt.counter,
+		       0LLU);
+	return 0;
+}
diff --git a/tools/testing/selftests/bpf/progs/bpf_iter_bpf_percpu_array_map.c b/tools/testing/selftests/bpf/progs/bpf_iter_bpf_percpu_array_map.c
new file mode 100644
index 000000000..85fa710fa
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/bpf_iter_bpf_percpu_array_map.c
@@ -0,0 +1,46 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2020 Facebook */
+#include "bpf_iter.h"
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_tracing.h>
+
+char _license[] SEC("license") = "GPL";
+
+struct key_t {
+	int a;
+	int b;
+	int c;
+};
+
+struct {
+	__uint(type, BPF_MAP_TYPE_PERCPU_ARRAY);
+	__uint(max_entries, 3);
+	__type(key, __u32);
+	__type(value, __u32);
+} arraymap1 SEC(".maps");
+
+/* will set before prog run */
+volatile const __u32 num_cpus = 0;
+
+__u32 key_sum = 0, val_sum = 0;
+
+SEC("iter/bpf_map_elem")
+int dump_bpf_percpu_array_map(struct bpf_iter__bpf_map_elem *ctx)
+{
+	__u32 *key = ctx->key;
+	void *pptr = ctx->value;
+	__u32 step;
+	int i;
+
+	if (key == (void *)0 || pptr == (void *)0)
+		return 0;
+
+	key_sum += *key;
+
+	step = 8;
+	for (i = 0; i < num_cpus; i++) {
+		val_sum += *(__u32 *)pptr;
+		pptr += step;
+	}
+	return 0;
+}
diff --git a/tools/testing/selftests/bpf/progs/bpf_iter_bpf_percpu_hash_map.c b/tools/testing/selftests/bpf/progs/bpf_iter_bpf_percpu_hash_map.c
new file mode 100644
index 000000000..feaaa2b89
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/bpf_iter_bpf_percpu_hash_map.c
@@ -0,0 +1,50 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2020 Facebook */
+#include "bpf_iter.h"
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_tracing.h>
+
+char _license[] SEC("license") = "GPL";
+
+struct key_t {
+	int a;
+	int b;
+	int c;
+};
+
+struct {
+	__uint(type, BPF_MAP_TYPE_PERCPU_HASH);
+	__uint(max_entries, 3);
+	__type(key, struct key_t);
+	__type(value, __u32);
+} hashmap1 SEC(".maps");
+
+/* will set before prog run */
+volatile const __u32 num_cpus = 0;
+
+/* will collect results during prog run */
+__u32 key_sum_a = 0, key_sum_b = 0, key_sum_c = 0;
+__u32 val_sum = 0;
+
+SEC("iter/bpf_map_elem")
+int dump_bpf_percpu_hash_map(struct bpf_iter__bpf_map_elem *ctx)
+{
+	struct key_t *key = ctx->key;
+	void *pptr = ctx->value;
+	__u32 step;
+	int i;
+
+	if (key == (void *)0 || pptr == (void *)0)
+		return 0;
+
+	key_sum_a += key->a;
+	key_sum_b += key->b;
+	key_sum_c += key->c;
+
+	step = 8;
+	for (i = 0; i < num_cpus; i++) {
+		val_sum += *(__u32 *)pptr;
+		pptr += step;
+	}
+	return 0;
+}
diff --git a/tools/testing/selftests/bpf/progs/bpf_iter_bpf_sk_storage_helpers.c b/tools/testing/selftests/bpf/progs/bpf_iter_bpf_sk_storage_helpers.c
new file mode 100644
index 000000000..6cecab2b3
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/bpf_iter_bpf_sk_storage_helpers.c
@@ -0,0 +1,65 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2020 Google LLC. */
+#include "bpf_iter.h"
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_tracing.h>
+
+char _license[] SEC("license") = "GPL";
+
+struct {
+	__uint(type, BPF_MAP_TYPE_SK_STORAGE);
+	__uint(map_flags, BPF_F_NO_PREALLOC);
+	__type(key, int);
+	__type(value, int);
+} sk_stg_map SEC(".maps");
+
+SEC("iter/bpf_sk_storage_map")
+int delete_bpf_sk_storage_map(struct bpf_iter__bpf_sk_storage_map *ctx)
+{
+	if (ctx->sk)
+		bpf_sk_storage_delete(&sk_stg_map, ctx->sk);
+
+	return 0;
+}
+
+SEC("iter/task_file")
+int fill_socket_owner(struct bpf_iter__task_file *ctx)
+{
+	struct task_struct *task = ctx->task;
+	struct file *file = ctx->file;
+	struct socket *sock;
+	int *sock_tgid;
+
+	if (!task || !file)
+		return 0;
+
+	sock = bpf_sock_from_file(file);
+	if (!sock)
+		return 0;
+
+	sock_tgid = bpf_sk_storage_get(&sk_stg_map, sock->sk, 0, 0);
+	if (!sock_tgid)
+		return 0;
+
+	*sock_tgid = task->tgid;
+
+	return 0;
+}
+
+SEC("iter/tcp")
+int negate_socket_local_storage(struct bpf_iter__tcp *ctx)
+{
+	struct sock_common *sk_common = ctx->sk_common;
+	int *sock_tgid;
+
+	if (!sk_common)
+		return 0;
+
+	sock_tgid = bpf_sk_storage_get(&sk_stg_map, sk_common, 0, 0);
+	if (!sock_tgid)
+		return 0;
+
+	*sock_tgid = -*sock_tgid;
+
+	return 0;
+}
diff --git a/tools/testing/selftests/bpf/progs/bpf_iter_bpf_sk_storage_map.c b/tools/testing/selftests/bpf/progs/bpf_iter_bpf_sk_storage_map.c
new file mode 100644
index 000000000..c7b8e006b
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/bpf_iter_bpf_sk_storage_map.c
@@ -0,0 +1,52 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2020 Facebook */
+#include "bpf_iter.h"
+#include "bpf_tracing_net.h"
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_tracing.h>
+
+char _license[] SEC("license") = "GPL";
+
+struct {
+	__uint(type, BPF_MAP_TYPE_SK_STORAGE);
+	__uint(map_flags, BPF_F_NO_PREALLOC);
+	__type(key, int);
+	__type(value, int);
+} sk_stg_map SEC(".maps");
+
+__u32 val_sum = 0;
+__u32 ipv6_sk_count = 0;
+__u32 to_add_val = 0;
+
+SEC("iter/bpf_sk_storage_map")
+int rw_bpf_sk_storage_map(struct bpf_iter__bpf_sk_storage_map *ctx)
+{
+	struct sock *sk = ctx->sk;
+	__u32 *val = ctx->value;
+
+	if (sk == NULL || val == NULL)
+		return 0;
+
+	if (sk->sk_family == AF_INET6)
+		ipv6_sk_count++;
+
+	val_sum += *val;
+
+	*val += to_add_val;
+
+	return 0;
+}
+
+SEC("iter/bpf_sk_storage_map")
+int oob_write_bpf_sk_storage_map(struct bpf_iter__bpf_sk_storage_map *ctx)
+{
+	struct sock *sk = ctx->sk;
+	__u32 *val = ctx->value;
+
+	if (sk == NULL || val == NULL)
+		return 0;
+
+	*(val + 1) = 0xdeadbeef;
+
+	return 0;
+}
diff --git a/tools/testing/selftests/bpf/progs/bpf_iter_ipv6_route.c b/tools/testing/selftests/bpf/progs/bpf_iter_ipv6_route.c
new file mode 100644
index 000000000..784a610ce
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/bpf_iter_ipv6_route.c
@@ -0,0 +1,56 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2020 Facebook */
+#include "bpf_iter.h"
+#include "bpf_tracing_net.h"
+#include <bpf/bpf_helpers.h>
+
+char _license[] SEC("license") = "GPL";
+
+extern bool CONFIG_IPV6_SUBTREES __kconfig __weak;
+
+SEC("iter/ipv6_route")
+int dump_ipv6_route(struct bpf_iter__ipv6_route *ctx)
+{
+	struct seq_file *seq = ctx->meta->seq;
+	struct fib6_info *rt = ctx->rt;
+	const struct net_device *dev;
+	struct fib6_nh *fib6_nh;
+	unsigned int flags;
+	struct nexthop *nh;
+
+	if (rt == (void *)0)
+		return 0;
+
+	fib6_nh = &rt->fib6_nh[0];
+	flags = rt->fib6_flags;
+
+	/* FIXME: nexthop_is_multipath is not handled here. */
+	nh = rt->nh;
+	if (rt->nh)
+		fib6_nh = &nh->nh_info->fib6_nh;
+
+	BPF_SEQ_PRINTF(seq, "%pi6 %02x ", &rt->fib6_dst.addr, rt->fib6_dst.plen);
+
+	if (CONFIG_IPV6_SUBTREES)
+		BPF_SEQ_PRINTF(seq, "%pi6 %02x ", &rt->fib6_src.addr,
+			       rt->fib6_src.plen);
+	else
+		BPF_SEQ_PRINTF(seq, "00000000000000000000000000000000 00 ");
+
+	if (fib6_nh->fib_nh_gw_family) {
+		flags |= RTF_GATEWAY;
+		BPF_SEQ_PRINTF(seq, "%pi6 ", &fib6_nh->fib_nh_gw6);
+	} else {
+		BPF_SEQ_PRINTF(seq, "00000000000000000000000000000000 ");
+	}
+
+	dev = fib6_nh->fib_nh_dev;
+	if (dev)
+		BPF_SEQ_PRINTF(seq, "%08x %08x %08x %08x %8s\n", rt->fib6_metric,
+			       rt->fib6_ref.refs.counter, 0, flags, dev->name);
+	else
+		BPF_SEQ_PRINTF(seq, "%08x %08x %08x %08x\n", rt->fib6_metric,
+			       rt->fib6_ref.refs.counter, 0, flags);
+
+	return 0;
+}
diff --git a/tools/testing/selftests/bpf/progs/bpf_iter_ksym.c b/tools/testing/selftests/bpf/progs/bpf_iter_ksym.c
new file mode 100644
index 000000000..9ba14c37b
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/bpf_iter_ksym.c
@@ -0,0 +1,74 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2022, Oracle and/or its affiliates. */
+#include "bpf_iter.h"
+#include <bpf/bpf_helpers.h>
+
+char _license[] SEC("license") = "GPL";
+
+unsigned long last_sym_value = 0;
+
+static inline char to_lower(char c)
+{
+	if (c >= 'A' && c <= 'Z')
+		c += ('a' - 'A');
+	return c;
+}
+
+static inline char to_upper(char c)
+{
+	if (c >= 'a' && c <= 'z')
+		c -= ('a' - 'A');
+	return c;
+}
+
+/* Dump symbols with max size; the latter is calculated by caching symbol N value
+ * and when iterating on symbol N+1, we can print max size of symbol N via
+ * address of N+1 - address of N.
+ */
+SEC("iter/ksym")
+int dump_ksym(struct bpf_iter__ksym *ctx)
+{
+	struct seq_file *seq = ctx->meta->seq;
+	struct kallsym_iter *iter = ctx->ksym;
+	__u32 seq_num = ctx->meta->seq_num;
+	unsigned long value;
+	char type;
+	int ret;
+
+	if (!iter)
+		return 0;
+
+	if (seq_num == 0) {
+		BPF_SEQ_PRINTF(seq, "ADDR TYPE NAME MODULE_NAME KIND MAX_SIZE\n");
+		return 0;
+	}
+	if (last_sym_value)
+		BPF_SEQ_PRINTF(seq, "0x%x\n", iter->value - last_sym_value);
+	else
+		BPF_SEQ_PRINTF(seq, "\n");
+
+	value = iter->show_value ? iter->value : 0;
+
+	last_sym_value = value;
+
+	type = iter->type;
+
+	if (iter->module_name[0]) {
+		type = iter->exported ? to_upper(type) : to_lower(type);
+		BPF_SEQ_PRINTF(seq, "0x%llx %c %s [ %s ] ",
+			       value, type, iter->name, iter->module_name);
+	} else {
+		BPF_SEQ_PRINTF(seq, "0x%llx %c %s ", value, type, iter->name);
+	}
+	if (!iter->pos_arch_end || iter->pos_arch_end > iter->pos)
+		BPF_SEQ_PRINTF(seq, "CORE ");
+	else if (!iter->pos_mod_end || iter->pos_mod_end > iter->pos)
+		BPF_SEQ_PRINTF(seq, "MOD ");
+	else if (!iter->pos_ftrace_mod_end || iter->pos_ftrace_mod_end > iter->pos)
+		BPF_SEQ_PRINTF(seq, "FTRACE_MOD ");
+	else if (!iter->pos_bpf_end || iter->pos_bpf_end > iter->pos)
+		BPF_SEQ_PRINTF(seq, "BPF ");
+	else
+		BPF_SEQ_PRINTF(seq, "KPROBE ");
+	return 0;
+}
diff --git a/tools/testing/selftests/bpf/progs/bpf_iter_netlink.c b/tools/testing/selftests/bpf/progs/bpf_iter_netlink.c
new file mode 100644
index 000000000..a28e51e2d
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/bpf_iter_netlink.c
@@ -0,0 +1,63 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2020 Facebook */
+#include "bpf_iter.h"
+#include "bpf_tracing_net.h"
+#include <bpf/bpf_helpers.h>
+
+char _license[] SEC("license") = "GPL";
+
+static __attribute__((noinline)) struct inode *SOCK_INODE(struct socket *socket)
+{
+	return &container_of(socket, struct socket_alloc, socket)->vfs_inode;
+}
+
+SEC("iter/netlink")
+int dump_netlink(struct bpf_iter__netlink *ctx)
+{
+	struct seq_file *seq = ctx->meta->seq;
+	struct netlink_sock *nlk = ctx->sk;
+	unsigned long group, ino;
+	struct inode *inode;
+	struct socket *sk;
+	struct sock *s;
+
+	if (nlk == (void *)0)
+		return 0;
+
+	if (ctx->meta->seq_num == 0)
+		BPF_SEQ_PRINTF(seq, "sk               Eth Pid        Groups   "
+				    "Rmem     Wmem     Dump  Locks    Drops    "
+				    "Inode\n");
+
+	s = &nlk->sk;
+	BPF_SEQ_PRINTF(seq, "%pK %-3d ", s, s->sk_protocol);
+
+	if (!nlk->groups)  {
+		group = 0;
+	} else {
+		/* FIXME: temporary use bpf_probe_read_kernel here, needs
+		 * verifier support to do direct access.
+		 */
+		bpf_probe_read_kernel(&group, sizeof(group), &nlk->groups[0]);
+	}
+	BPF_SEQ_PRINTF(seq, "%-10u %08x %-8d %-8d %-5d %-8d ",
+		       nlk->portid, (u32)group,
+		       s->sk_rmem_alloc.counter,
+		       s->sk_wmem_alloc.refs.counter - 1,
+		       nlk->cb_running, s->sk_refcnt.refs.counter);
+
+	sk = s->sk_socket;
+	if (!sk) {
+		ino = 0;
+	} else {
+		/* FIXME: container_of inside SOCK_INODE has a forced
+		 * type conversion, and direct access cannot be used
+		 * with current verifier.
+		 */
+		inode = SOCK_INODE(sk);
+		bpf_probe_read_kernel(&ino, sizeof(ino), &inode->i_ino);
+	}
+	BPF_SEQ_PRINTF(seq, "%-8u %-8lu\n", s->sk_drops.counter, ino);
+
+	return 0;
+}
diff --git a/tools/testing/selftests/bpf/progs/bpf_iter_setsockopt.c b/tools/testing/selftests/bpf/progs/bpf_iter_setsockopt.c
new file mode 100644
index 000000000..b77adfd55
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/bpf_iter_setsockopt.c
@@ -0,0 +1,72 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2021 Facebook */
+#include "bpf_iter.h"
+#include "bpf_tracing_net.h"
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_endian.h>
+
+#define bpf_tcp_sk(skc)	({				\
+	struct sock_common *_skc = skc;			\
+	sk = NULL;					\
+	tp = NULL;					\
+	if (_skc) {					\
+		tp = bpf_skc_to_tcp_sock(_skc);		\
+		sk = (struct sock *)tp;			\
+	}						\
+	tp;						\
+})
+
+unsigned short reuse_listen_hport = 0;
+unsigned short listen_hport = 0;
+char cubic_cc[TCP_CA_NAME_MAX] = "bpf_cubic";
+char dctcp_cc[TCP_CA_NAME_MAX] = "bpf_dctcp";
+bool random_retry = false;
+
+static bool tcp_cc_eq(const char *a, const char *b)
+{
+	int i;
+
+	for (i = 0; i < TCP_CA_NAME_MAX; i++) {
+		if (a[i] != b[i])
+			return false;
+		if (!a[i])
+			break;
+	}
+
+	return true;
+}
+
+SEC("iter/tcp")
+int change_tcp_cc(struct bpf_iter__tcp *ctx)
+{
+	char cur_cc[TCP_CA_NAME_MAX];
+	struct tcp_sock *tp;
+	struct sock *sk;
+	int ret;
+
+	if (!bpf_tcp_sk(ctx->sk_common))
+		return 0;
+
+	if (sk->sk_family != AF_INET6 ||
+	    (sk->sk_state != TCP_LISTEN &&
+	     sk->sk_state != TCP_ESTABLISHED) ||
+	    (sk->sk_num != reuse_listen_hport &&
+	     sk->sk_num != listen_hport &&
+	     bpf_ntohs(sk->sk_dport) != listen_hport))
+		return 0;
+
+	if (bpf_getsockopt(tp, SOL_TCP, TCP_CONGESTION,
+			   cur_cc, sizeof(cur_cc)))
+		return 0;
+
+	if (!tcp_cc_eq(cur_cc, cubic_cc))
+		return 0;
+
+	if (random_retry && bpf_get_prandom_u32() % 4 == 1)
+		return 1;
+
+	bpf_setsockopt(tp, SOL_TCP, TCP_CONGESTION, dctcp_cc, sizeof(dctcp_cc));
+	return 0;
+}
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/bpf_iter_setsockopt_unix.c b/tools/testing/selftests/bpf/progs/bpf_iter_setsockopt_unix.c
new file mode 100644
index 000000000..eafc877ea
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/bpf_iter_setsockopt_unix.c
@@ -0,0 +1,60 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright Amazon.com Inc. or its affiliates. */
+#include "bpf_iter.h"
+#include "bpf_tracing_net.h"
+#include <bpf/bpf_helpers.h>
+#include <limits.h>
+
+#define AUTOBIND_LEN 6
+char sun_path[AUTOBIND_LEN];
+
+#define NR_CASES 5
+int sndbuf_setsockopt[NR_CASES] = {-1, 0, 8192, INT_MAX / 2, INT_MAX};
+int sndbuf_getsockopt[NR_CASES] = {-1, -1, -1, -1, -1};
+int sndbuf_getsockopt_expected[NR_CASES];
+
+static inline int cmpname(struct unix_sock *unix_sk)
+{
+	int i;
+
+	for (i = 0; i < AUTOBIND_LEN; i++) {
+		if (unix_sk->addr->name->sun_path[i] != sun_path[i])
+			return -1;
+	}
+
+	return 0;
+}
+
+SEC("iter/unix")
+int change_sndbuf(struct bpf_iter__unix *ctx)
+{
+	struct unix_sock *unix_sk = ctx->unix_sk;
+	int i, err;
+
+	if (!unix_sk || !unix_sk->addr)
+		return 0;
+
+	if (unix_sk->addr->name->sun_path[0])
+		return 0;
+
+	if (cmpname(unix_sk))
+		return 0;
+
+	for (i = 0; i < NR_CASES; i++) {
+		err = bpf_setsockopt(unix_sk, SOL_SOCKET, SO_SNDBUF,
+				     &sndbuf_setsockopt[i],
+				     sizeof(sndbuf_setsockopt[i]));
+		if (err)
+			break;
+
+		err = bpf_getsockopt(unix_sk, SOL_SOCKET, SO_SNDBUF,
+				     &sndbuf_getsockopt[i],
+				     sizeof(sndbuf_getsockopt[i]));
+		if (err)
+			break;
+	}
+
+	return 0;
+}
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/bpf_iter_sockmap.c b/tools/testing/selftests/bpf/progs/bpf_iter_sockmap.c
new file mode 100644
index 000000000..f3af0e30c
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/bpf_iter_sockmap.c
@@ -0,0 +1,59 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2020 Cloudflare */
+#include "bpf_iter.h"
+#include "bpf_tracing_net.h"
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_tracing.h>
+#include <errno.h>
+
+char _license[] SEC("license") = "GPL";
+
+struct {
+	__uint(type, BPF_MAP_TYPE_SOCKMAP);
+	__uint(max_entries, 64);
+	__type(key, __u32);
+	__type(value, __u64);
+} sockmap SEC(".maps");
+
+struct {
+	__uint(type, BPF_MAP_TYPE_SOCKHASH);
+	__uint(max_entries, 64);
+	__type(key, __u32);
+	__type(value, __u64);
+} sockhash SEC(".maps");
+
+struct {
+	__uint(type, BPF_MAP_TYPE_SOCKHASH);
+	__uint(max_entries, 64);
+	__type(key, __u32);
+	__type(value, __u64);
+} dst SEC(".maps");
+
+__u32 elems = 0;
+__u32 socks = 0;
+
+SEC("iter/sockmap")
+int copy(struct bpf_iter__sockmap *ctx)
+{
+	struct sock *sk = ctx->sk;
+	__u32 tmp, *key = ctx->key;
+	int ret;
+
+	if (!key)
+		return 0;
+
+	elems++;
+
+	/* We need a temporary buffer on the stack, since the verifier doesn't
+	 * let us use the pointer from the context as an argument to the helper.
+	 */
+	tmp = *key;
+
+	if (sk) {
+		socks++;
+		return bpf_map_update_elem(&dst, &tmp, sk, 0) != 0;
+	}
+
+	ret = bpf_map_delete_elem(&dst, &tmp);
+	return ret && ret != -ENOENT;
+}
diff --git a/tools/testing/selftests/bpf/progs/bpf_iter_task.c b/tools/testing/selftests/bpf/progs/bpf_iter_task.c
new file mode 100644
index 000000000..96131b9a1
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/bpf_iter_task.c
@@ -0,0 +1,88 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2020 Facebook */
+#include "bpf_iter.h"
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_tracing.h>
+
+char _license[] SEC("license") = "GPL";
+
+uint32_t tid = 0;
+int num_unknown_tid = 0;
+int num_known_tid = 0;
+
+SEC("iter/task")
+int dump_task(struct bpf_iter__task *ctx)
+{
+	struct seq_file *seq = ctx->meta->seq;
+	struct task_struct *task = ctx->task;
+	static char info[] = "    === END ===";
+
+	if (task == (void *)0) {
+		BPF_SEQ_PRINTF(seq, "%s\n", info);
+		return 0;
+	}
+
+	if (task->pid != tid)
+		num_unknown_tid++;
+	else
+		num_known_tid++;
+
+	if (ctx->meta->seq_num == 0)
+		BPF_SEQ_PRINTF(seq, "    tgid      gid\n");
+
+	BPF_SEQ_PRINTF(seq, "%8d %8d\n", task->tgid, task->pid);
+	return 0;
+}
+
+int num_expected_failure_copy_from_user_task = 0;
+int num_success_copy_from_user_task = 0;
+
+SEC("iter.s/task")
+int dump_task_sleepable(struct bpf_iter__task *ctx)
+{
+	struct seq_file *seq = ctx->meta->seq;
+	struct task_struct *task = ctx->task;
+	static const char info[] = "    === END ===";
+	struct pt_regs *regs;
+	void *ptr;
+	uint32_t user_data = 0;
+	int ret;
+
+	if (task == (void *)0) {
+		BPF_SEQ_PRINTF(seq, "%s\n", info);
+		return 0;
+	}
+
+	/* Read an invalid pointer and ensure we get an error */
+	ptr = NULL;
+	ret = bpf_copy_from_user_task(&user_data, sizeof(uint32_t), ptr, task, 0);
+	if (ret) {
+		++num_expected_failure_copy_from_user_task;
+	} else {
+		BPF_SEQ_PRINTF(seq, "%s\n", info);
+		return 0;
+	}
+
+	/* Try to read the contents of the task's instruction pointer from the
+	 * remote task's address space.
+	 */
+	regs = (struct pt_regs *)bpf_task_pt_regs(task);
+	if (regs == (void *)0) {
+		BPF_SEQ_PRINTF(seq, "%s\n", info);
+		return 0;
+	}
+	ptr = (void *)PT_REGS_IP(regs);
+
+	ret = bpf_copy_from_user_task(&user_data, sizeof(uint32_t), ptr, task, 0);
+	if (ret) {
+		BPF_SEQ_PRINTF(seq, "%s\n", info);
+		return 0;
+	}
+	++num_success_copy_from_user_task;
+
+	if (ctx->meta->seq_num == 0)
+		BPF_SEQ_PRINTF(seq, "    tgid      gid     data\n");
+
+	BPF_SEQ_PRINTF(seq, "%8d %8d %8d\n", task->tgid, task->pid, user_data);
+	return 0;
+}
diff --git a/tools/testing/selftests/bpf/progs/bpf_iter_task_btf.c b/tools/testing/selftests/bpf/progs/bpf_iter_task_btf.c
new file mode 100644
index 000000000..bca8b889c
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/bpf_iter_task_btf.c
@@ -0,0 +1,49 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2020, Oracle and/or its affiliates. */
+#include "bpf_iter.h"
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_core_read.h>
+
+#include <errno.h>
+
+char _license[] SEC("license") = "GPL";
+
+long tasks = 0;
+long seq_err = 0;
+bool skip = false;
+
+SEC("iter/task")
+int dump_task_struct(struct bpf_iter__task *ctx)
+{
+	struct seq_file *seq = ctx->meta->seq;
+	struct task_struct *task = ctx->task;
+	static struct btf_ptr ptr = { };
+	long ret;
+
+#if __has_builtin(__builtin_btf_type_id)
+	ptr.type_id = bpf_core_type_id_kernel(struct task_struct);
+	ptr.ptr = task;
+
+	if (ctx->meta->seq_num == 0)
+		BPF_SEQ_PRINTF(seq, "Raw BTF task\n");
+
+	ret = bpf_seq_printf_btf(seq, &ptr, sizeof(ptr), 0);
+	switch (ret) {
+	case 0:
+		tasks++;
+		break;
+	case -ERANGE:
+		/* NULL task or task->fs, don't count it as an error. */
+		break;
+	case -E2BIG:
+		return 1;
+	default:
+		seq_err = ret;
+		break;
+	}
+#else
+	skip = true;
+#endif
+
+	return 0;
+}
diff --git a/tools/testing/selftests/bpf/progs/bpf_iter_task_file.c b/tools/testing/selftests/bpf/progs/bpf_iter_task_file.c
new file mode 100644
index 000000000..b02550806
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/bpf_iter_task_file.c
@@ -0,0 +1,40 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2020 Facebook */
+#include "bpf_iter.h"
+#include <bpf/bpf_helpers.h>
+
+char _license[] SEC("license") = "GPL";
+
+int count = 0;
+int tgid = 0;
+int last_tgid = 0;
+int unique_tgid_count = 0;
+
+SEC("iter/task_file")
+int dump_task_file(struct bpf_iter__task_file *ctx)
+{
+	struct seq_file *seq = ctx->meta->seq;
+	struct task_struct *task = ctx->task;
+	struct file *file = ctx->file;
+	__u32 fd = ctx->fd;
+
+	if (task == (void *)0 || file == (void *)0)
+		return 0;
+
+	if (ctx->meta->seq_num == 0) {
+		count = 0;
+		BPF_SEQ_PRINTF(seq, "    tgid      gid       fd      file\n");
+	}
+
+	if (tgid == task->tgid && task->tgid != task->pid)
+		count++;
+
+	if (last_tgid != task->tgid) {
+		last_tgid = task->tgid;
+		unique_tgid_count++;
+	}
+
+	BPF_SEQ_PRINTF(seq, "%8d %8d %8d %lx\n", task->tgid, task->pid, fd,
+		       (long)file->f_op);
+	return 0;
+}
diff --git a/tools/testing/selftests/bpf/progs/bpf_iter_task_stack.c b/tools/testing/selftests/bpf/progs/bpf_iter_task_stack.c
new file mode 100644
index 000000000..442f4ca39
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/bpf_iter_task_stack.c
@@ -0,0 +1,68 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2020 Facebook */
+#include "bpf_iter.h"
+#include <bpf/bpf_helpers.h>
+
+char _license[] SEC("license") = "GPL";
+
+#define MAX_STACK_TRACE_DEPTH   64
+unsigned long entries[MAX_STACK_TRACE_DEPTH] = {};
+#define SIZE_OF_ULONG (sizeof(unsigned long))
+
+SEC("iter/task")
+int dump_task_stack(struct bpf_iter__task *ctx)
+{
+	struct seq_file *seq = ctx->meta->seq;
+	struct task_struct *task = ctx->task;
+	long i, retlen;
+
+	if (task == (void *)0)
+		return 0;
+
+	retlen = bpf_get_task_stack(task, entries,
+				    MAX_STACK_TRACE_DEPTH * SIZE_OF_ULONG, 0);
+	if (retlen < 0)
+		return 0;
+
+	BPF_SEQ_PRINTF(seq, "pid: %8u num_entries: %8u\n", task->pid,
+		       retlen / SIZE_OF_ULONG);
+	for (i = 0; i < MAX_STACK_TRACE_DEPTH; i++) {
+		if (retlen > i * SIZE_OF_ULONG)
+			BPF_SEQ_PRINTF(seq, "[<0>] %pB\n", (void *)entries[i]);
+	}
+	BPF_SEQ_PRINTF(seq, "\n");
+
+	return 0;
+}
+
+int num_user_stacks = 0;
+
+SEC("iter/task")
+int get_task_user_stacks(struct bpf_iter__task *ctx)
+{
+	struct seq_file *seq = ctx->meta->seq;
+	struct task_struct *task = ctx->task;
+	uint64_t buf_sz = 0;
+	int64_t res;
+
+	if (task == (void *)0)
+		return 0;
+
+	res = bpf_get_task_stack(task, entries,
+			MAX_STACK_TRACE_DEPTH * SIZE_OF_ULONG, BPF_F_USER_STACK);
+	if (res <= 0)
+		return 0;
+
+	/* Only one task, the current one, should succeed */
+	++num_user_stacks;
+
+	buf_sz += res;
+
+	/* If the verifier doesn't refine bpf_get_task_stack res, and instead
+	 * assumes res is entirely unknown, this program will fail to load as
+	 * the verifier will believe that max buf_sz value allows reading
+	 * past the end of entries in bpf_seq_write call
+	 */
+	bpf_seq_write(seq, &entries, buf_sz);
+	return 0;
+}
diff --git a/tools/testing/selftests/bpf/progs/bpf_iter_task_vma.c b/tools/testing/selftests/bpf/progs/bpf_iter_task_vma.c
new file mode 100644
index 000000000..dd923dc63
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/bpf_iter_task_vma.c
@@ -0,0 +1,62 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2020 Facebook */
+#include "bpf_iter.h"
+#include <bpf/bpf_helpers.h>
+
+char _license[] SEC("license") = "GPL";
+
+/* Copied from mm.h */
+#define VM_READ		0x00000001
+#define VM_WRITE	0x00000002
+#define VM_EXEC		0x00000004
+#define VM_MAYSHARE	0x00000080
+
+/* Copied from kdev_t.h */
+#define MINORBITS	20
+#define MINORMASK	((1U << MINORBITS) - 1)
+#define MAJOR(dev)	((unsigned int) ((dev) >> MINORBITS))
+#define MINOR(dev)	((unsigned int) ((dev) & MINORMASK))
+
+#define D_PATH_BUF_SIZE 1024
+char d_path_buf[D_PATH_BUF_SIZE] = {};
+__u32 pid = 0;
+__u32 one_task = 0;
+__u32 one_task_error = 0;
+
+SEC("iter/task_vma") int proc_maps(struct bpf_iter__task_vma *ctx)
+{
+	struct vm_area_struct *vma = ctx->vma;
+	struct seq_file *seq = ctx->meta->seq;
+	struct task_struct *task = ctx->task;
+	struct file *file;
+	char perm_str[] = "----";
+
+	if (task == (void *)0 || vma == (void *)0)
+		return 0;
+
+	file = vma->vm_file;
+	if (task->tgid != pid) {
+		if (one_task)
+			one_task_error = 1;
+		return 0;
+	}
+	perm_str[0] = (vma->vm_flags & VM_READ) ? 'r' : '-';
+	perm_str[1] = (vma->vm_flags & VM_WRITE) ? 'w' : '-';
+	perm_str[2] = (vma->vm_flags & VM_EXEC) ? 'x' : '-';
+	perm_str[3] = (vma->vm_flags & VM_MAYSHARE) ? 's' : 'p';
+	BPF_SEQ_PRINTF(seq, "%08llx-%08llx %s ", vma->vm_start, vma->vm_end, perm_str);
+
+	if (file) {
+		__u32 dev = file->f_inode->i_sb->s_dev;
+
+		bpf_d_path(&file->f_path, d_path_buf, D_PATH_BUF_SIZE);
+
+		BPF_SEQ_PRINTF(seq, "%08llx ", vma->vm_pgoff << 12);
+		BPF_SEQ_PRINTF(seq, "%02x:%02x %u", MAJOR(dev), MINOR(dev),
+			       file->f_inode->i_ino);
+		BPF_SEQ_PRINTF(seq, "\t%s\n", d_path_buf);
+	} else {
+		BPF_SEQ_PRINTF(seq, "%08llx 00:00 0\n", 0ULL);
+	}
+	return 0;
+}
diff --git a/tools/testing/selftests/bpf/progs/bpf_iter_tcp4.c b/tools/testing/selftests/bpf/progs/bpf_iter_tcp4.c
new file mode 100644
index 000000000..92267abb4
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/bpf_iter_tcp4.c
@@ -0,0 +1,233 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2020 Facebook */
+#include "bpf_iter.h"
+#include "bpf_tracing_net.h"
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_endian.h>
+
+char _license[] SEC("license") = "GPL";
+
+static int hlist_unhashed_lockless(const struct hlist_node *h)
+{
+        return !(h->pprev);
+}
+
+static int timer_pending(const struct timer_list * timer)
+{
+	return !hlist_unhashed_lockless(&timer->entry);
+}
+
+extern unsigned CONFIG_HZ __kconfig;
+
+#define USER_HZ		100
+#define NSEC_PER_SEC	1000000000ULL
+static clock_t jiffies_to_clock_t(unsigned long x)
+{
+	/* The implementation here tailored to a particular
+	 * setting of USER_HZ.
+	 */
+	u64 tick_nsec = (NSEC_PER_SEC + CONFIG_HZ/2) / CONFIG_HZ;
+	u64 user_hz_nsec = NSEC_PER_SEC / USER_HZ;
+
+	if ((tick_nsec % user_hz_nsec) == 0) {
+		if (CONFIG_HZ < USER_HZ)
+			return x * (USER_HZ / CONFIG_HZ);
+		else
+			return x / (CONFIG_HZ / USER_HZ);
+	}
+	return x * tick_nsec/user_hz_nsec;
+}
+
+static clock_t jiffies_delta_to_clock_t(long delta)
+{
+	if (delta <= 0)
+		return 0;
+
+	return jiffies_to_clock_t(delta);
+}
+
+static long sock_i_ino(const struct sock *sk)
+{
+	const struct socket *sk_socket = sk->sk_socket;
+	const struct inode *inode;
+	unsigned long ino;
+
+	if (!sk_socket)
+		return 0;
+
+	inode = &container_of(sk_socket, struct socket_alloc, socket)->vfs_inode;
+	bpf_probe_read_kernel(&ino, sizeof(ino), &inode->i_ino);
+	return ino;
+}
+
+static bool
+inet_csk_in_pingpong_mode(const struct inet_connection_sock *icsk)
+{
+	return icsk->icsk_ack.pingpong >= TCP_PINGPONG_THRESH;
+}
+
+static bool tcp_in_initial_slowstart(const struct tcp_sock *tcp)
+{
+	return tcp->snd_ssthresh >= TCP_INFINITE_SSTHRESH;
+}
+
+static int dump_tcp_sock(struct seq_file *seq, struct tcp_sock *tp,
+			 uid_t uid, __u32 seq_num)
+{
+	const struct inet_connection_sock *icsk;
+	const struct fastopen_queue *fastopenq;
+	const struct inet_sock *inet;
+	unsigned long timer_expires;
+	const struct sock *sp;
+	__u16 destp, srcp;
+	__be32 dest, src;
+	int timer_active;
+	int rx_queue;
+	int state;
+
+	icsk = &tp->inet_conn;
+	inet = &icsk->icsk_inet;
+	sp = &inet->sk;
+	fastopenq = &icsk->icsk_accept_queue.fastopenq;
+
+	dest = inet->inet_daddr;
+	src = inet->inet_rcv_saddr;
+	destp = bpf_ntohs(inet->inet_dport);
+	srcp = bpf_ntohs(inet->inet_sport);
+
+	if (icsk->icsk_pending == ICSK_TIME_RETRANS ||
+	    icsk->icsk_pending == ICSK_TIME_REO_TIMEOUT ||
+	    icsk->icsk_pending == ICSK_TIME_LOSS_PROBE) {
+		timer_active = 1;
+		timer_expires = icsk->icsk_timeout;
+	} else if (icsk->icsk_pending == ICSK_TIME_PROBE0) {
+		timer_active = 4;
+		timer_expires = icsk->icsk_timeout;
+	} else if (timer_pending(&sp->sk_timer)) {
+		timer_active = 2;
+		timer_expires = sp->sk_timer.expires;
+	} else {
+		timer_active = 0;
+		timer_expires = bpf_jiffies64();
+	}
+
+	state = sp->sk_state;
+	if (state == TCP_LISTEN) {
+		rx_queue = sp->sk_ack_backlog;
+	} else {
+		rx_queue = tp->rcv_nxt - tp->copied_seq;
+		if (rx_queue < 0)
+			rx_queue = 0;
+	}
+
+	BPF_SEQ_PRINTF(seq, "%4d: %08X:%04X %08X:%04X ",
+		       seq_num, src, srcp, dest, destp);
+	BPF_SEQ_PRINTF(seq, "%02X %08X:%08X %02X:%08lX %08X %5u %8d %lu %d ",
+		       state,
+		       tp->write_seq - tp->snd_una, rx_queue,
+		       timer_active,
+		       jiffies_delta_to_clock_t(timer_expires - bpf_jiffies64()),
+		       icsk->icsk_retransmits, uid,
+		       icsk->icsk_probes_out,
+		       sock_i_ino(sp),
+		       sp->sk_refcnt.refs.counter);
+	BPF_SEQ_PRINTF(seq, "%pK %lu %lu %u %u %d\n",
+		       tp,
+		       jiffies_to_clock_t(icsk->icsk_rto),
+		       jiffies_to_clock_t(icsk->icsk_ack.ato),
+		       (icsk->icsk_ack.quick << 1) | inet_csk_in_pingpong_mode(icsk),
+		       tp->snd_cwnd,
+		       state == TCP_LISTEN ? fastopenq->max_qlen
+				: (tcp_in_initial_slowstart(tp) ? -1 : tp->snd_ssthresh)
+		      );
+
+	return 0;
+}
+
+static int dump_tw_sock(struct seq_file *seq, struct tcp_timewait_sock *ttw,
+			uid_t uid, __u32 seq_num)
+{
+	struct inet_timewait_sock *tw = &ttw->tw_sk;
+	__u16 destp, srcp;
+	__be32 dest, src;
+	long delta;
+
+	delta = tw->tw_timer.expires - bpf_jiffies64();
+	dest = tw->tw_daddr;
+	src  = tw->tw_rcv_saddr;
+	destp = bpf_ntohs(tw->tw_dport);
+	srcp  = bpf_ntohs(tw->tw_sport);
+
+	BPF_SEQ_PRINTF(seq, "%4d: %08X:%04X %08X:%04X ",
+		       seq_num, src, srcp, dest, destp);
+
+	BPF_SEQ_PRINTF(seq, "%02X %08X:%08X %02X:%08lX %08X %5d %8d %d %d %pK\n",
+		       tw->tw_substate, 0, 0,
+		       3, jiffies_delta_to_clock_t(delta), 0, 0, 0, 0,
+		       tw->tw_refcnt.refs.counter, tw);
+
+	return 0;
+}
+
+static int dump_req_sock(struct seq_file *seq, struct tcp_request_sock *treq,
+			 uid_t uid, __u32 seq_num)
+{
+	struct inet_request_sock *irsk = &treq->req;
+	struct request_sock *req = &irsk->req;
+	long ttd;
+
+	ttd = req->rsk_timer.expires - bpf_jiffies64();
+
+	if (ttd < 0)
+		ttd = 0;
+
+	BPF_SEQ_PRINTF(seq, "%4d: %08X:%04X %08X:%04X ",
+		       seq_num, irsk->ir_loc_addr,
+		       irsk->ir_num, irsk->ir_rmt_addr,
+		       bpf_ntohs(irsk->ir_rmt_port));
+	BPF_SEQ_PRINTF(seq, "%02X %08X:%08X %02X:%08lX %08X %5d %8d %d %d %pK\n",
+		       TCP_SYN_RECV, 0, 0, 1, jiffies_to_clock_t(ttd),
+		       req->num_timeout, uid, 0, 0, 0, req);
+
+	return 0;
+}
+
+SEC("iter/tcp")
+int dump_tcp4(struct bpf_iter__tcp *ctx)
+{
+	struct sock_common *sk_common = ctx->sk_common;
+	struct seq_file *seq = ctx->meta->seq;
+	struct tcp_timewait_sock *tw;
+	struct tcp_request_sock *req;
+	struct tcp_sock *tp;
+	uid_t uid = ctx->uid;
+	__u32 seq_num;
+
+	if (sk_common == (void *)0)
+		return 0;
+
+	seq_num = ctx->meta->seq_num;
+	if (seq_num == 0)
+		BPF_SEQ_PRINTF(seq, "  sl  "
+				    "local_address "
+				    "rem_address   "
+				    "st tx_queue rx_queue tr tm->when retrnsmt"
+				    "   uid  timeout inode\n");
+
+	if (sk_common->skc_family != AF_INET)
+		return 0;
+
+	tp = bpf_skc_to_tcp_sock(sk_common);
+	if (tp)
+		return dump_tcp_sock(seq, tp, uid, seq_num);
+
+	tw = bpf_skc_to_tcp_timewait_sock(sk_common);
+	if (tw)
+		return dump_tw_sock(seq, tw, uid, seq_num);
+
+	req = bpf_skc_to_tcp_request_sock(sk_common);
+	if (req)
+		return dump_req_sock(seq, req, uid, seq_num);
+
+	return 0;
+}
diff --git a/tools/testing/selftests/bpf/progs/bpf_iter_tcp6.c b/tools/testing/selftests/bpf/progs/bpf_iter_tcp6.c
new file mode 100644
index 000000000..943f7bba1
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/bpf_iter_tcp6.c
@@ -0,0 +1,249 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2020 Facebook */
+#include "bpf_iter.h"
+#include "bpf_tracing_net.h"
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_endian.h>
+
+char _license[] SEC("license") = "GPL";
+
+static int hlist_unhashed_lockless(const struct hlist_node *h)
+{
+        return !(h->pprev);
+}
+
+static int timer_pending(const struct timer_list * timer)
+{
+	return !hlist_unhashed_lockless(&timer->entry);
+}
+
+extern unsigned CONFIG_HZ __kconfig;
+
+#define USER_HZ		100
+#define NSEC_PER_SEC	1000000000ULL
+static clock_t jiffies_to_clock_t(unsigned long x)
+{
+	/* The implementation here tailored to a particular
+	 * setting of USER_HZ.
+	 */
+	u64 tick_nsec = (NSEC_PER_SEC + CONFIG_HZ/2) / CONFIG_HZ;
+	u64 user_hz_nsec = NSEC_PER_SEC / USER_HZ;
+
+	if ((tick_nsec % user_hz_nsec) == 0) {
+		if (CONFIG_HZ < USER_HZ)
+			return x * (USER_HZ / CONFIG_HZ);
+		else
+			return x / (CONFIG_HZ / USER_HZ);
+	}
+	return x * tick_nsec/user_hz_nsec;
+}
+
+static clock_t jiffies_delta_to_clock_t(long delta)
+{
+	if (delta <= 0)
+		return 0;
+
+	return jiffies_to_clock_t(delta);
+}
+
+static long sock_i_ino(const struct sock *sk)
+{
+	const struct socket *sk_socket = sk->sk_socket;
+	const struct inode *inode;
+	unsigned long ino;
+
+	if (!sk_socket)
+		return 0;
+
+	inode = &container_of(sk_socket, struct socket_alloc, socket)->vfs_inode;
+	bpf_probe_read_kernel(&ino, sizeof(ino), &inode->i_ino);
+	return ino;
+}
+
+static bool
+inet_csk_in_pingpong_mode(const struct inet_connection_sock *icsk)
+{
+	return icsk->icsk_ack.pingpong >= TCP_PINGPONG_THRESH;
+}
+
+static bool tcp_in_initial_slowstart(const struct tcp_sock *tcp)
+{
+	return tcp->snd_ssthresh >= TCP_INFINITE_SSTHRESH;
+}
+
+static int dump_tcp6_sock(struct seq_file *seq, struct tcp6_sock *tp,
+			 uid_t uid, __u32 seq_num)
+{
+	const struct inet_connection_sock *icsk;
+	const struct fastopen_queue *fastopenq;
+	const struct in6_addr *dest, *src;
+	const struct inet_sock *inet;
+	unsigned long timer_expires;
+	const struct sock *sp;
+	__u16 destp, srcp;
+	int timer_active;
+	int rx_queue;
+	int state;
+
+	icsk = &tp->tcp.inet_conn;
+	inet = &icsk->icsk_inet;
+	sp = &inet->sk;
+	fastopenq = &icsk->icsk_accept_queue.fastopenq;
+
+	dest = &sp->sk_v6_daddr;
+	src = &sp->sk_v6_rcv_saddr;
+	destp = bpf_ntohs(inet->inet_dport);
+	srcp = bpf_ntohs(inet->inet_sport);
+
+	if (icsk->icsk_pending == ICSK_TIME_RETRANS ||
+	    icsk->icsk_pending == ICSK_TIME_REO_TIMEOUT ||
+	    icsk->icsk_pending == ICSK_TIME_LOSS_PROBE) {
+		timer_active = 1;
+		timer_expires = icsk->icsk_timeout;
+	} else if (icsk->icsk_pending == ICSK_TIME_PROBE0) {
+		timer_active = 4;
+		timer_expires = icsk->icsk_timeout;
+	} else if (timer_pending(&sp->sk_timer)) {
+		timer_active = 2;
+		timer_expires = sp->sk_timer.expires;
+	} else {
+		timer_active = 0;
+		timer_expires = bpf_jiffies64();
+	}
+
+	state = sp->sk_state;
+	if (state == TCP_LISTEN) {
+		rx_queue = sp->sk_ack_backlog;
+	} else {
+		rx_queue = tp->tcp.rcv_nxt - tp->tcp.copied_seq;
+		if (rx_queue < 0)
+			rx_queue = 0;
+	}
+
+	BPF_SEQ_PRINTF(seq, "%4d: %08X%08X%08X%08X:%04X %08X%08X%08X%08X:%04X ",
+		       seq_num,
+		       src->s6_addr32[0], src->s6_addr32[1],
+		       src->s6_addr32[2], src->s6_addr32[3], srcp,
+		       dest->s6_addr32[0], dest->s6_addr32[1],
+		       dest->s6_addr32[2], dest->s6_addr32[3], destp);
+	BPF_SEQ_PRINTF(seq, "%02X %08X:%08X %02X:%08lX %08X %5u %8d %lu %d ",
+		       state,
+		       tp->tcp.write_seq - tp->tcp.snd_una, rx_queue,
+		       timer_active,
+		       jiffies_delta_to_clock_t(timer_expires - bpf_jiffies64()),
+		       icsk->icsk_retransmits, uid,
+		       icsk->icsk_probes_out,
+		       sock_i_ino(sp),
+		       sp->sk_refcnt.refs.counter);
+	BPF_SEQ_PRINTF(seq, "%pK %lu %lu %u %u %d\n",
+		       tp,
+		       jiffies_to_clock_t(icsk->icsk_rto),
+		       jiffies_to_clock_t(icsk->icsk_ack.ato),
+		       (icsk->icsk_ack.quick << 1) | inet_csk_in_pingpong_mode(icsk),
+		       tp->tcp.snd_cwnd,
+		       state == TCP_LISTEN ? fastopenq->max_qlen
+				: (tcp_in_initial_slowstart(&tp->tcp) ? -1
+								      : tp->tcp.snd_ssthresh)
+		      );
+
+	return 0;
+}
+
+static int dump_tw_sock(struct seq_file *seq, struct tcp_timewait_sock *ttw,
+			uid_t uid, __u32 seq_num)
+{
+	struct inet_timewait_sock *tw = &ttw->tw_sk;
+	const struct in6_addr *dest, *src;
+	__u16 destp, srcp;
+	long delta;
+
+	delta = tw->tw_timer.expires - bpf_jiffies64();
+	dest = &tw->tw_v6_daddr;
+	src  = &tw->tw_v6_rcv_saddr;
+	destp = bpf_ntohs(tw->tw_dport);
+	srcp  = bpf_ntohs(tw->tw_sport);
+
+	BPF_SEQ_PRINTF(seq, "%4d: %08X%08X%08X%08X:%04X %08X%08X%08X%08X:%04X ",
+		       seq_num,
+		       src->s6_addr32[0], src->s6_addr32[1],
+		       src->s6_addr32[2], src->s6_addr32[3], srcp,
+		       dest->s6_addr32[0], dest->s6_addr32[1],
+		       dest->s6_addr32[2], dest->s6_addr32[3], destp);
+
+	BPF_SEQ_PRINTF(seq, "%02X %08X:%08X %02X:%08lX %08X %5d %8d %d %d %pK\n",
+		       tw->tw_substate, 0, 0,
+		       3, jiffies_delta_to_clock_t(delta), 0, 0, 0, 0,
+		       tw->tw_refcnt.refs.counter, tw);
+
+	return 0;
+}
+
+static int dump_req_sock(struct seq_file *seq, struct tcp_request_sock *treq,
+			 uid_t uid, __u32 seq_num)
+{
+	struct inet_request_sock *irsk = &treq->req;
+	struct request_sock *req = &irsk->req;
+	struct in6_addr *src, *dest;
+	long ttd;
+
+	ttd = req->rsk_timer.expires - bpf_jiffies64();
+	src = &irsk->ir_v6_loc_addr;
+	dest = &irsk->ir_v6_rmt_addr;
+
+	if (ttd < 0)
+		ttd = 0;
+
+	BPF_SEQ_PRINTF(seq, "%4d: %08X%08X%08X%08X:%04X %08X%08X%08X%08X:%04X ",
+		       seq_num,
+		       src->s6_addr32[0], src->s6_addr32[1],
+		       src->s6_addr32[2], src->s6_addr32[3],
+		       irsk->ir_num,
+		       dest->s6_addr32[0], dest->s6_addr32[1],
+		       dest->s6_addr32[2], dest->s6_addr32[3],
+		       bpf_ntohs(irsk->ir_rmt_port));
+	BPF_SEQ_PRINTF(seq, "%02X %08X:%08X %02X:%08lX %08X %5d %8d %d %d %pK\n",
+		       TCP_SYN_RECV, 0, 0, 1, jiffies_to_clock_t(ttd),
+		       req->num_timeout, uid, 0, 0, 0, req);
+
+	return 0;
+}
+
+SEC("iter/tcp")
+int dump_tcp6(struct bpf_iter__tcp *ctx)
+{
+	struct sock_common *sk_common = ctx->sk_common;
+	struct seq_file *seq = ctx->meta->seq;
+	struct tcp_timewait_sock *tw;
+	struct tcp_request_sock *req;
+	struct tcp6_sock *tp;
+	uid_t uid = ctx->uid;
+	__u32 seq_num;
+
+	if (sk_common == (void *)0)
+		return 0;
+
+	seq_num = ctx->meta->seq_num;
+	if (seq_num == 0)
+		BPF_SEQ_PRINTF(seq, "  sl  "
+				    "local_address                         "
+				    "remote_address                        "
+				    "st tx_queue rx_queue tr tm->when retrnsmt"
+				    "   uid  timeout inode\n");
+
+	if (sk_common->skc_family != AF_INET6)
+		return 0;
+
+	tp = bpf_skc_to_tcp6_sock(sk_common);
+	if (tp)
+		return dump_tcp6_sock(seq, tp, uid, seq_num);
+
+	tw = bpf_skc_to_tcp_timewait_sock(sk_common);
+	if (tw)
+		return dump_tw_sock(seq, tw, uid, seq_num);
+
+	req = bpf_skc_to_tcp_request_sock(sk_common);
+	if (req)
+		return dump_req_sock(seq, req, uid, seq_num);
+
+	return 0;
+}
diff --git a/tools/testing/selftests/bpf/progs/bpf_iter_test_kern1.c b/tools/testing/selftests/bpf/progs/bpf_iter_test_kern1.c
new file mode 100644
index 000000000..c71a7c283
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/bpf_iter_test_kern1.c
@@ -0,0 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2020 Facebook */
+#define START_CHAR 'a'
+#include "bpf_iter_test_kern_common.h"
diff --git a/tools/testing/selftests/bpf/progs/bpf_iter_test_kern2.c b/tools/testing/selftests/bpf/progs/bpf_iter_test_kern2.c
new file mode 100644
index 000000000..8bdc8dc07
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/bpf_iter_test_kern2.c
@@ -0,0 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2020 Facebook */
+#define START_CHAR 'A'
+#include "bpf_iter_test_kern_common.h"
diff --git a/tools/testing/selftests/bpf/progs/bpf_iter_test_kern3.c b/tools/testing/selftests/bpf/progs/bpf_iter_test_kern3.c
new file mode 100644
index 000000000..2a4647f20
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/bpf_iter_test_kern3.c
@@ -0,0 +1,18 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2020 Facebook */
+#include "bpf_iter.h"
+#include <bpf/bpf_helpers.h>
+
+char _license[] SEC("license") = "GPL";
+
+SEC("iter/task")
+int dump_task(struct bpf_iter__task *ctx)
+{
+	struct seq_file *seq = ctx->meta->seq;
+	struct task_struct *task = ctx->task;
+	int tgid;
+
+	tgid = task->tgid;
+	bpf_seq_write(seq, &tgid, sizeof(tgid));
+	return 0;
+}
diff --git a/tools/testing/selftests/bpf/progs/bpf_iter_test_kern4.c b/tools/testing/selftests/bpf/progs/bpf_iter_test_kern4.c
new file mode 100644
index 000000000..400fdf8d6
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/bpf_iter_test_kern4.c
@@ -0,0 +1,52 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2020 Facebook */
+#include "bpf_iter.h"
+#include <bpf/bpf_helpers.h>
+
+char _license[] SEC("license") = "GPL";
+
+__u32 map1_id = 0, map2_id = 0;
+__u32 map1_accessed = 0, map2_accessed = 0;
+__u64 map1_seqnum = 0, map2_seqnum1 = 0, map2_seqnum2 = 0;
+
+volatile const __u32 print_len;
+volatile const __u32 ret1;
+
+SEC("iter/bpf_map")
+int dump_bpf_map(struct bpf_iter__bpf_map *ctx)
+{
+	struct seq_file *seq = ctx->meta->seq;
+	struct bpf_map *map = ctx->map;
+	__u64 seq_num;
+	int i, ret = 0;
+
+	if (map == (void *)0)
+		return 0;
+
+	/* only dump map1_id and map2_id */
+	if (map->id != map1_id && map->id != map2_id)
+		return 0;
+
+	seq_num = ctx->meta->seq_num;
+	if (map->id == map1_id) {
+		map1_seqnum = seq_num;
+		map1_accessed++;
+	}
+
+	if (map->id == map2_id) {
+		if (map2_accessed == 0) {
+			map2_seqnum1 = seq_num;
+			if (ret1)
+				ret = 1;
+		} else {
+			map2_seqnum2 = seq_num;
+		}
+		map2_accessed++;
+	}
+
+	/* fill seq_file buffer */
+	for (i = 0; i < print_len; i++)
+		bpf_seq_write(seq, &seq_num, sizeof(seq_num));
+
+	return ret;
+}
diff --git a/tools/testing/selftests/bpf/progs/bpf_iter_test_kern5.c b/tools/testing/selftests/bpf/progs/bpf_iter_test_kern5.c
new file mode 100644
index 000000000..e3a7575e8
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/bpf_iter_test_kern5.c
@@ -0,0 +1,35 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2020 Facebook */
+#include "bpf_iter.h"
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_tracing.h>
+
+char _license[] SEC("license") = "GPL";
+
+struct key_t {
+	int a;
+	int b;
+	int c;
+};
+
+struct {
+	__uint(type, BPF_MAP_TYPE_HASH);
+	__uint(max_entries, 3);
+	__type(key, struct key_t);
+	__type(value, __u64);
+} hashmap1 SEC(".maps");
+
+__u32 key_sum = 0;
+
+SEC("iter/bpf_map_elem")
+int dump_bpf_hash_map(struct bpf_iter__bpf_map_elem *ctx)
+{
+	void *key = ctx->key;
+
+	if (key == (void *)0)
+		return 0;
+
+	/* out of bound access w.r.t. hashmap1 */
+	key_sum += *(__u32 *)(key + sizeof(struct key_t));
+	return 0;
+}
diff --git a/tools/testing/selftests/bpf/progs/bpf_iter_test_kern6.c b/tools/testing/selftests/bpf/progs/bpf_iter_test_kern6.c
new file mode 100644
index 000000000..1c7304f56
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/bpf_iter_test_kern6.c
@@ -0,0 +1,21 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2020 Facebook */
+#include "bpf_iter.h"
+#include <bpf/bpf_helpers.h>
+
+char _license[] SEC("license") = "GPL";
+
+__u32 value_sum = 0;
+
+SEC("iter/bpf_map_elem")
+int dump_bpf_hash_map(struct bpf_iter__bpf_map_elem *ctx)
+{
+	void *value = ctx->value;
+
+	if (value == (void *)0)
+		return 0;
+
+	/* negative offset, verifier failure. */
+	value_sum += *(__u32 *)(value - 4);
+	return 0;
+}
diff --git a/tools/testing/selftests/bpf/progs/bpf_iter_test_kern_common.h b/tools/testing/selftests/bpf/progs/bpf_iter_test_kern_common.h
new file mode 100644
index 000000000..d5e3df66a
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/bpf_iter_test_kern_common.h
@@ -0,0 +1,22 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* Copyright (c) 2020 Facebook */
+#include "bpf_iter.h"
+#include <bpf/bpf_helpers.h>
+
+char _license[] SEC("license") = "GPL";
+int count = 0;
+
+SEC("iter/task")
+int dump_task(struct bpf_iter__task *ctx)
+{
+	struct seq_file *seq = ctx->meta->seq;
+	char c;
+
+	if (count < 4) {
+		c = START_CHAR + count;
+		bpf_seq_write(seq, &c, sizeof(c));
+		count++;
+	}
+
+	return 0;
+}
diff --git a/tools/testing/selftests/bpf/progs/bpf_iter_udp4.c b/tools/testing/selftests/bpf/progs/bpf_iter_udp4.c
new file mode 100644
index 000000000..cf0c485b1
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/bpf_iter_udp4.c
@@ -0,0 +1,70 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2020 Facebook */
+#include "bpf_iter.h"
+#include "bpf_tracing_net.h"
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_endian.h>
+
+char _license[] SEC("license") = "GPL";
+
+static long sock_i_ino(const struct sock *sk)
+{
+	const struct socket *sk_socket = sk->sk_socket;
+	const struct inode *inode;
+	unsigned long ino;
+
+	if (!sk_socket)
+		return 0;
+
+	inode = &container_of(sk_socket, struct socket_alloc, socket)->vfs_inode;
+	bpf_probe_read_kernel(&ino, sizeof(ino), &inode->i_ino);
+	return ino;
+}
+
+SEC("iter/udp")
+int dump_udp4(struct bpf_iter__udp *ctx)
+{
+	struct seq_file *seq = ctx->meta->seq;
+	struct udp_sock *udp_sk = ctx->udp_sk;
+	struct inet_sock *inet;
+	__u16 srcp, destp;
+	__be32 dest, src;
+	__u32 seq_num;
+	int rqueue;
+
+	if (udp_sk == (void *)0)
+		return 0;
+
+	seq_num = ctx->meta->seq_num;
+	if (seq_num == 0)
+		BPF_SEQ_PRINTF(seq,
+			       "  sl  local_address rem_address   st tx_queue "
+			       "rx_queue tr tm->when retrnsmt   uid  timeout "
+			       "inode ref pointer drops\n");
+
+	/* filter out udp6 sockets */
+	inet = &udp_sk->inet;
+	if (inet->sk.sk_family == AF_INET6)
+		return 0;
+
+	inet = &udp_sk->inet;
+	dest = inet->inet_daddr;
+	src = inet->inet_rcv_saddr;
+	srcp = bpf_ntohs(inet->inet_sport);
+	destp = bpf_ntohs(inet->inet_dport);
+	rqueue = inet->sk.sk_rmem_alloc.counter - udp_sk->forward_deficit;
+
+	BPF_SEQ_PRINTF(seq, "%5d: %08X:%04X %08X:%04X ",
+		       ctx->bucket, src, srcp, dest, destp);
+
+	BPF_SEQ_PRINTF(seq, "%02X %08X:%08X %02X:%08lX %08X %5u %8d %lu %d %pK %u\n",
+		       inet->sk.sk_state,
+		       inet->sk.sk_wmem_alloc.refs.counter - 1,
+		       rqueue,
+		       0, 0L, 0, ctx->uid, 0,
+		       sock_i_ino(&inet->sk),
+		       inet->sk.sk_refcnt.refs.counter, udp_sk,
+		       inet->sk.sk_drops.counter);
+
+	return 0;
+}
diff --git a/tools/testing/selftests/bpf/progs/bpf_iter_udp6.c b/tools/testing/selftests/bpf/progs/bpf_iter_udp6.c
new file mode 100644
index 000000000..5031e21c4
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/bpf_iter_udp6.c
@@ -0,0 +1,78 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2020 Facebook */
+#include "bpf_iter.h"
+#include "bpf_tracing_net.h"
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_endian.h>
+
+char _license[] SEC("license") = "GPL";
+
+#define IPV6_SEQ_DGRAM_HEADER				\
+	"  sl  "					\
+	"local_address                         "	\
+	"remote_address                        "	\
+	"st tx_queue rx_queue tr tm->when retrnsmt"	\
+	"   uid  timeout inode ref pointer drops\n"
+
+static long sock_i_ino(const struct sock *sk)
+{
+	const struct socket *sk_socket = sk->sk_socket;
+	const struct inode *inode;
+	unsigned long ino;
+
+	if (!sk_socket)
+		return 0;
+
+	inode = &container_of(sk_socket, struct socket_alloc, socket)->vfs_inode;
+	bpf_probe_read_kernel(&ino, sizeof(ino), &inode->i_ino);
+	return ino;
+}
+
+SEC("iter/udp")
+int dump_udp6(struct bpf_iter__udp *ctx)
+{
+	struct seq_file *seq = ctx->meta->seq;
+	struct udp_sock *udp_sk = ctx->udp_sk;
+	const struct in6_addr *dest, *src;
+	struct udp6_sock *udp6_sk;
+	struct inet_sock *inet;
+	__u16 srcp, destp;
+	__u32 seq_num;
+	int rqueue;
+
+	if (udp_sk == (void *)0)
+		return 0;
+
+	seq_num = ctx->meta->seq_num;
+	if (seq_num == 0)
+		BPF_SEQ_PRINTF(seq, IPV6_SEQ_DGRAM_HEADER);
+
+	udp6_sk = bpf_skc_to_udp6_sock(udp_sk);
+	if (udp6_sk == (void *)0)
+		return 0;
+
+	inet = &udp_sk->inet;
+	srcp = bpf_ntohs(inet->inet_sport);
+	destp = bpf_ntohs(inet->inet_dport);
+	rqueue = inet->sk.sk_rmem_alloc.counter - udp_sk->forward_deficit;
+	dest  = &inet->sk.sk_v6_daddr;
+	src   = &inet->sk.sk_v6_rcv_saddr;
+
+	BPF_SEQ_PRINTF(seq, "%5d: %08X%08X%08X%08X:%04X %08X%08X%08X%08X:%04X ",
+		       ctx->bucket,
+		       src->s6_addr32[0], src->s6_addr32[1],
+		       src->s6_addr32[2], src->s6_addr32[3], srcp,
+		       dest->s6_addr32[0], dest->s6_addr32[1],
+		       dest->s6_addr32[2], dest->s6_addr32[3], destp);
+
+	BPF_SEQ_PRINTF(seq, "%02X %08X:%08X %02X:%08lX %08X %5u %8d %lu %d %pK %u\n",
+		       inet->sk.sk_state,
+		       inet->sk.sk_wmem_alloc.refs.counter - 1,
+		       rqueue,
+		       0, 0L, 0, ctx->uid, 0,
+		       sock_i_ino(&inet->sk),
+		       inet->sk.sk_refcnt.refs.counter, udp_sk,
+		       inet->sk.sk_drops.counter);
+
+	return 0;
+}
diff --git a/tools/testing/selftests/bpf/progs/bpf_iter_unix.c b/tools/testing/selftests/bpf/progs/bpf_iter_unix.c
new file mode 100644
index 000000000..e6aefae38
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/bpf_iter_unix.c
@@ -0,0 +1,80 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright Amazon.com Inc. or its affiliates. */
+#include "bpf_iter.h"
+#include "bpf_tracing_net.h"
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_endian.h>
+
+char _license[] SEC("license") = "GPL";
+
+static long sock_i_ino(const struct sock *sk)
+{
+	const struct socket *sk_socket = sk->sk_socket;
+	const struct inode *inode;
+	unsigned long ino;
+
+	if (!sk_socket)
+		return 0;
+
+	inode = &container_of(sk_socket, struct socket_alloc, socket)->vfs_inode;
+	bpf_probe_read_kernel(&ino, sizeof(ino), &inode->i_ino);
+	return ino;
+}
+
+SEC("iter/unix")
+int dump_unix(struct bpf_iter__unix *ctx)
+{
+	struct unix_sock *unix_sk = ctx->unix_sk;
+	struct sock *sk = (struct sock *)unix_sk;
+	struct seq_file *seq;
+	__u32 seq_num;
+
+	if (!unix_sk)
+		return 0;
+
+	seq = ctx->meta->seq;
+	seq_num = ctx->meta->seq_num;
+	if (seq_num == 0)
+		BPF_SEQ_PRINTF(seq, "Num               RefCount Protocol Flags    Type St    Inode Path\n");
+
+	BPF_SEQ_PRINTF(seq, "%pK: %08X %08X %08X %04X %02X %8lu",
+		       unix_sk,
+		       sk->sk_refcnt.refs.counter,
+		       0,
+		       sk->sk_state == TCP_LISTEN ? __SO_ACCEPTCON : 0,
+		       sk->sk_type,
+		       sk->sk_socket ?
+		       (sk->sk_state == TCP_ESTABLISHED ? SS_CONNECTED : SS_UNCONNECTED) :
+		       (sk->sk_state == TCP_ESTABLISHED ? SS_CONNECTING : SS_DISCONNECTING),
+		       sock_i_ino(sk));
+
+	if (unix_sk->addr) {
+		if (unix_sk->addr->name->sun_path[0]) {
+			BPF_SEQ_PRINTF(seq, " %s", unix_sk->addr->name->sun_path);
+		} else {
+			/* The name of the abstract UNIX domain socket starts
+			 * with '\0' and can contain '\0'.  The null bytes
+			 * should be escaped as done in unix_seq_show().
+			 */
+			__u64 i, len;
+
+			len = unix_sk->addr->len - sizeof(short);
+
+			BPF_SEQ_PRINTF(seq, " @");
+
+			for (i = 1; i < len; i++) {
+				/* unix_validate_addr() tests this upper bound. */
+				if (i >= sizeof(struct sockaddr_un))
+					break;
+
+				BPF_SEQ_PRINTF(seq, "%c",
+					       unix_sk->addr->name->sun_path[i] ?:
+					       '@');
+			}
+		}
+	}
+
+	BPF_SEQ_PRINTF(seq, "\n");
+
+	return 0;
+}
diff --git a/tools/testing/selftests/bpf/progs/bpf_iter_vma_offset.c b/tools/testing/selftests/bpf/progs/bpf_iter_vma_offset.c
new file mode 100644
index 000000000..ee7455d26
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/bpf_iter_vma_offset.c
@@ -0,0 +1,37 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2022 Meta Platforms, Inc. and affiliates. */
+#include "bpf_iter.h"
+#include <bpf/bpf_helpers.h>
+
+char _license[] SEC("license") = "GPL";
+
+__u32 unique_tgid_cnt = 0;
+uintptr_t address = 0;
+uintptr_t offset = 0;
+__u32 last_tgid = 0;
+__u32 pid = 0;
+__u32 page_shift = 0;
+
+SEC("iter/task_vma")
+int get_vma_offset(struct bpf_iter__task_vma *ctx)
+{
+	struct vm_area_struct *vma = ctx->vma;
+	struct seq_file *seq = ctx->meta->seq;
+	struct task_struct *task = ctx->task;
+
+	if (task == NULL || vma == NULL)
+		return 0;
+
+	if (last_tgid != task->tgid)
+		unique_tgid_cnt++;
+	last_tgid = task->tgid;
+
+	if (task->tgid != pid)
+		return 0;
+
+	if (vma->vm_start <= address && vma->vm_end > address) {
+		offset = address - vma->vm_start + (vma->vm_pgoff << page_shift);
+		BPF_SEQ_PRINTF(seq, "OK\n");
+	}
+	return 0;
+}
diff --git a/tools/testing/selftests/bpf/progs/bpf_loop.c b/tools/testing/selftests/bpf/progs/bpf_loop.c
new file mode 100644
index 000000000..de1fc82d2
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/bpf_loop.c
@@ -0,0 +1,227 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2021 Facebook */
+
+#include "vmlinux.h"
+#include <bpf/bpf_helpers.h>
+#include "bpf_misc.h"
+
+char _license[] SEC("license") = "GPL";
+
+struct callback_ctx {
+	int output;
+};
+
+struct {
+	__uint(type, BPF_MAP_TYPE_HASH);
+	__uint(max_entries, 32);
+	__type(key, int);
+	__type(value, int);
+} map1 SEC(".maps");
+
+/* These should be set by the user program */
+u32 nested_callback_nr_loops;
+u32 stop_index = -1;
+u32 nr_loops;
+int pid;
+int callback_selector;
+
+/* Making these global variables so that the userspace program
+ * can verify the output through the skeleton
+ */
+int nr_loops_returned;
+int g_output;
+int err;
+
+static int callback(__u32 index, void *data)
+{
+	struct callback_ctx *ctx = data;
+
+	if (index >= stop_index)
+		return 1;
+
+	ctx->output += index;
+
+	return 0;
+}
+
+static int empty_callback(__u32 index, void *data)
+{
+	return 0;
+}
+
+static int nested_callback2(__u32 index, void *data)
+{
+	nr_loops_returned += bpf_loop(nested_callback_nr_loops, callback, data, 0);
+
+	return 0;
+}
+
+static int nested_callback1(__u32 index, void *data)
+{
+	bpf_loop(nested_callback_nr_loops, nested_callback2, data, 0);
+	return 0;
+}
+
+SEC("fentry/" SYS_PREFIX "sys_nanosleep")
+int test_prog(void *ctx)
+{
+	struct callback_ctx data = {};
+
+	if (bpf_get_current_pid_tgid() >> 32 != pid)
+		return 0;
+
+	nr_loops_returned = bpf_loop(nr_loops, callback, &data, 0);
+
+	if (nr_loops_returned < 0)
+		err = nr_loops_returned;
+	else
+		g_output = data.output;
+
+	return 0;
+}
+
+SEC("fentry/" SYS_PREFIX "sys_nanosleep")
+int prog_null_ctx(void *ctx)
+{
+	if (bpf_get_current_pid_tgid() >> 32 != pid)
+		return 0;
+
+	nr_loops_returned = bpf_loop(nr_loops, empty_callback, NULL, 0);
+
+	return 0;
+}
+
+SEC("fentry/" SYS_PREFIX "sys_nanosleep")
+int prog_invalid_flags(void *ctx)
+{
+	struct callback_ctx data = {};
+
+	if (bpf_get_current_pid_tgid() >> 32 != pid)
+		return 0;
+
+	err = bpf_loop(nr_loops, callback, &data, 1);
+
+	return 0;
+}
+
+SEC("fentry/" SYS_PREFIX "sys_nanosleep")
+int prog_nested_calls(void *ctx)
+{
+	struct callback_ctx data = {};
+
+	if (bpf_get_current_pid_tgid() >> 32 != pid)
+		return 0;
+
+	nr_loops_returned = 0;
+	bpf_loop(nr_loops, nested_callback1, &data, 0);
+
+	g_output = data.output;
+
+	return 0;
+}
+
+static int callback_set_f0(int i, void *ctx)
+{
+	g_output = 0xF0;
+	return 0;
+}
+
+static int callback_set_0f(int i, void *ctx)
+{
+	g_output = 0x0F;
+	return 0;
+}
+
+/*
+ * non-constant callback is a corner case for bpf_loop inline logic
+ */
+SEC("fentry/" SYS_PREFIX "sys_nanosleep")
+int prog_non_constant_callback(void *ctx)
+{
+	struct callback_ctx data = {};
+
+	if (bpf_get_current_pid_tgid() >> 32 != pid)
+		return 0;
+
+	int (*callback)(int i, void *ctx);
+
+	g_output = 0;
+
+	if (callback_selector == 0x0F)
+		callback = callback_set_0f;
+	else
+		callback = callback_set_f0;
+
+	bpf_loop(1, callback, NULL, 0);
+
+	return 0;
+}
+
+static int stack_check_inner_callback(void *ctx)
+{
+	return 0;
+}
+
+static int map1_lookup_elem(int key)
+{
+	int *val = bpf_map_lookup_elem(&map1, &key);
+
+	return val ? *val : -1;
+}
+
+static void map1_update_elem(int key, int val)
+{
+	bpf_map_update_elem(&map1, &key, &val, BPF_ANY);
+}
+
+static int stack_check_outer_callback(void *ctx)
+{
+	int a = map1_lookup_elem(1);
+	int b = map1_lookup_elem(2);
+	int c = map1_lookup_elem(3);
+	int d = map1_lookup_elem(4);
+	int e = map1_lookup_elem(5);
+	int f = map1_lookup_elem(6);
+
+	bpf_loop(1, stack_check_inner_callback, NULL, 0);
+
+	map1_update_elem(1, a + 1);
+	map1_update_elem(2, b + 1);
+	map1_update_elem(3, c + 1);
+	map1_update_elem(4, d + 1);
+	map1_update_elem(5, e + 1);
+	map1_update_elem(6, f + 1);
+
+	return 0;
+}
+
+/* Some of the local variables in stack_check and
+ * stack_check_outer_callback would be allocated on stack by
+ * compiler. This test should verify that stack content for these
+ * variables is preserved between calls to bpf_loop (might be an issue
+ * if loop inlining allocates stack slots incorrectly).
+ */
+SEC("fentry/" SYS_PREFIX "sys_nanosleep")
+int stack_check(void *ctx)
+{
+	if (bpf_get_current_pid_tgid() >> 32 != pid)
+		return 0;
+
+	int a = map1_lookup_elem(7);
+	int b = map1_lookup_elem(8);
+	int c = map1_lookup_elem(9);
+	int d = map1_lookup_elem(10);
+	int e = map1_lookup_elem(11);
+	int f = map1_lookup_elem(12);
+
+	bpf_loop(1, stack_check_outer_callback, NULL, 0);
+
+	map1_update_elem(7,  a + 1);
+	map1_update_elem(8, b + 1);
+	map1_update_elem(9, c + 1);
+	map1_update_elem(10, d + 1);
+	map1_update_elem(11, e + 1);
+	map1_update_elem(12, f + 1);
+
+	return 0;
+}
diff --git a/tools/testing/selftests/bpf/progs/bpf_loop_bench.c b/tools/testing/selftests/bpf/progs/bpf_loop_bench.c
new file mode 100644
index 000000000..d461746fd
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/bpf_loop_bench.c
@@ -0,0 +1,30 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2021 Facebook */
+
+#include "vmlinux.h"
+#include <bpf/bpf_helpers.h>
+#include "bpf_misc.h"
+
+char _license[] SEC("license") = "GPL";
+
+u32 nr_loops;
+long hits;
+
+static int empty_callback(__u32 index, void *data)
+{
+	return 0;
+}
+
+static int outer_loop(__u32 index, void *data)
+{
+	bpf_loop(nr_loops, empty_callback, NULL, 0);
+	__sync_add_and_fetch(&hits, nr_loops);
+	return 0;
+}
+
+SEC("fentry/" SYS_PREFIX "sys_getpgid")
+int benchmark(void *ctx)
+{
+	bpf_loop(1000, outer_loop, NULL, 0);
+	return 0;
+}
diff --git a/tools/testing/selftests/bpf/progs/bpf_misc.h b/tools/testing/selftests/bpf/progs/bpf_misc.h
new file mode 100644
index 000000000..5bb11fe59
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/bpf_misc.h
@@ -0,0 +1,19 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef __BPF_MISC_H__
+#define __BPF_MISC_H__
+
+#if defined(__TARGET_ARCH_x86)
+#define SYSCALL_WRAPPER 1
+#define SYS_PREFIX "__x64_"
+#elif defined(__TARGET_ARCH_s390)
+#define SYSCALL_WRAPPER 1
+#define SYS_PREFIX "__s390x_"
+#elif defined(__TARGET_ARCH_arm64)
+#define SYSCALL_WRAPPER 1
+#define SYS_PREFIX "__arm64_"
+#else
+#define SYSCALL_WRAPPER 0
+#define SYS_PREFIX "__se_"
+#endif
+
+#endif
diff --git a/tools/testing/selftests/bpf/progs/bpf_mod_race.c b/tools/testing/selftests/bpf/progs/bpf_mod_race.c
new file mode 100644
index 000000000..82a5c6c6b
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/bpf_mod_race.c
@@ -0,0 +1,100 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <vmlinux.h>
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_tracing.h>
+
+const volatile struct {
+	/* thread to activate trace programs for */
+	pid_t tgid;
+	/* return error from __init function */
+	int inject_error;
+	/* uffd monitored range start address */
+	void *fault_addr;
+} bpf_mod_race_config = { -1 };
+
+int bpf_blocking = 0;
+int res_try_get_module = -1;
+
+static __always_inline bool check_thread_id(void)
+{
+	struct task_struct *task = bpf_get_current_task_btf();
+
+	return task->tgid == bpf_mod_race_config.tgid;
+}
+
+/* The trace of execution is something like this:
+ *
+ * finit_module()
+ *   load_module()
+ *     prepare_coming_module()
+ *       notifier_call(MODULE_STATE_COMING)
+ *         btf_parse_module()
+ *         btf_alloc_id()		// Visible to userspace at this point
+ *         list_add(btf_mod->list, &btf_modules)
+ *     do_init_module()
+ *       freeinit = kmalloc()
+ *       ret = mod->init()
+ *         bpf_prog_widen_race()
+ *           bpf_copy_from_user()
+ *             ...<sleep>...
+ *       if (ret < 0)
+ *         ...
+ *         free_module()
+ * return ret
+ *
+ * At this point, module loading thread is blocked, we now load the program:
+ *
+ * bpf_check
+ *   add_kfunc_call/check_pseudo_btf_id
+ *     btf_try_get_module
+ *       try_get_module_live == false
+ *     return -ENXIO
+ *
+ * Without the fix (try_get_module_live in btf_try_get_module):
+ *
+ * bpf_check
+ *   add_kfunc_call/check_pseudo_btf_id
+ *     btf_try_get_module
+ *       try_get_module == true
+ *     <store module reference in btf_kfunc_tab or used_btf array>
+ *   ...
+ * return fd
+ *
+ * Now, if we inject an error in the blocked program, our module will be freed
+ * (going straight from MODULE_STATE_COMING to MODULE_STATE_GOING).
+ * Later, when bpf program is freed, it will try to module_put already freed
+ * module. This is why try_get_module_live returns false if mod->state is not
+ * MODULE_STATE_LIVE.
+ */
+
+SEC("fmod_ret.s/bpf_fentry_test1")
+int BPF_PROG(widen_race, int a, int ret)
+{
+	char dst;
+
+	if (!check_thread_id())
+		return 0;
+	/* Indicate that we will attempt to block */
+	bpf_blocking = 1;
+	bpf_copy_from_user(&dst, 1, bpf_mod_race_config.fault_addr);
+	return bpf_mod_race_config.inject_error;
+}
+
+SEC("fexit/do_init_module")
+int BPF_PROG(fexit_init_module, struct module *mod, int ret)
+{
+	if (!check_thread_id())
+		return 0;
+	/* Indicate that we finished blocking */
+	bpf_blocking = 2;
+	return 0;
+}
+
+SEC("fexit/btf_try_get_module")
+int BPF_PROG(fexit_module_get, const struct btf *btf, struct module *mod)
+{
+	res_try_get_module = !!mod;
+	return 0;
+}
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/bpf_syscall_macro.c b/tools/testing/selftests/bpf/progs/bpf_syscall_macro.c
new file mode 100644
index 000000000..e1e11897e
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/bpf_syscall_macro.c
@@ -0,0 +1,84 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright 2022 Sony Group Corporation */
+#include <vmlinux.h>
+
+#include <bpf/bpf_core_read.h>
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_tracing.h>
+#include "bpf_misc.h"
+
+int arg1 = 0;
+unsigned long arg2 = 0;
+unsigned long arg3 = 0;
+unsigned long arg4_cx = 0;
+unsigned long arg4 = 0;
+unsigned long arg5 = 0;
+
+int arg1_core = 0;
+unsigned long arg2_core = 0;
+unsigned long arg3_core = 0;
+unsigned long arg4_core_cx = 0;
+unsigned long arg4_core = 0;
+unsigned long arg5_core = 0;
+
+int option_syscall = 0;
+unsigned long arg2_syscall = 0;
+unsigned long arg3_syscall = 0;
+unsigned long arg4_syscall = 0;
+unsigned long arg5_syscall = 0;
+
+const volatile pid_t filter_pid = 0;
+
+SEC("kprobe/" SYS_PREFIX "sys_prctl")
+int BPF_KPROBE(handle_sys_prctl)
+{
+	struct pt_regs *real_regs;
+	pid_t pid = bpf_get_current_pid_tgid() >> 32;
+	unsigned long tmp = 0;
+
+	if (pid != filter_pid)
+		return 0;
+
+	real_regs = PT_REGS_SYSCALL_REGS(ctx);
+
+	/* test for PT_REGS_PARM */
+
+#if !defined(bpf_target_arm64) && !defined(bpf_target_s390)
+	bpf_probe_read_kernel(&tmp, sizeof(tmp), &PT_REGS_PARM1_SYSCALL(real_regs));
+#endif
+	arg1 = tmp;
+	bpf_probe_read_kernel(&arg2, sizeof(arg2), &PT_REGS_PARM2_SYSCALL(real_regs));
+	bpf_probe_read_kernel(&arg3, sizeof(arg3), &PT_REGS_PARM3_SYSCALL(real_regs));
+	bpf_probe_read_kernel(&arg4_cx, sizeof(arg4_cx), &PT_REGS_PARM4(real_regs));
+	bpf_probe_read_kernel(&arg4, sizeof(arg4), &PT_REGS_PARM4_SYSCALL(real_regs));
+	bpf_probe_read_kernel(&arg5, sizeof(arg5), &PT_REGS_PARM5_SYSCALL(real_regs));
+
+	/* test for the CORE variant of PT_REGS_PARM */
+	arg1_core = PT_REGS_PARM1_CORE_SYSCALL(real_regs);
+	arg2_core = PT_REGS_PARM2_CORE_SYSCALL(real_regs);
+	arg3_core = PT_REGS_PARM3_CORE_SYSCALL(real_regs);
+	arg4_core_cx = PT_REGS_PARM4_CORE(real_regs);
+	arg4_core = PT_REGS_PARM4_CORE_SYSCALL(real_regs);
+	arg5_core = PT_REGS_PARM5_CORE_SYSCALL(real_regs);
+
+	return 0;
+}
+
+SEC("ksyscall/prctl")
+int BPF_KSYSCALL(prctl_enter, int option, unsigned long arg2,
+		 unsigned long arg3, unsigned long arg4, unsigned long arg5)
+{
+	pid_t pid = bpf_get_current_pid_tgid() >> 32;
+
+	if (pid != filter_pid)
+		return 0;
+
+	option_syscall = option;
+	arg2_syscall = arg2;
+	arg3_syscall = arg3;
+	arg4_syscall = arg4;
+	arg5_syscall = arg5;
+	return 0;
+}
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/bpf_tcp_nogpl.c b/tools/testing/selftests/bpf/progs/bpf_tcp_nogpl.c
new file mode 100644
index 000000000..2ecd833dc
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/bpf_tcp_nogpl.c
@@ -0,0 +1,19 @@
+// SPDX-License-Identifier: GPL-2.0
+
+#include <linux/bpf.h>
+#include <linux/types.h>
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_tracing.h>
+#include "bpf_tcp_helpers.h"
+
+char _license[] SEC("license") = "X";
+
+void BPF_STRUCT_OPS(nogpltcp_init, struct sock *sk)
+{
+}
+
+SEC(".struct_ops")
+struct tcp_congestion_ops bpf_nogpltcp = {
+	.init           = (void *)nogpltcp_init,
+	.name           = "bpf_nogpltcp",
+};
diff --git a/tools/testing/selftests/bpf/progs/bpf_tracing_net.h b/tools/testing/selftests/bpf/progs/bpf_tracing_net.h
new file mode 100644
index 000000000..adb087aec
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/bpf_tracing_net.h
@@ -0,0 +1,92 @@
+/* SPDX-License-Identifier: (LGPL-2.1 OR BSD-2-Clause) */
+#ifndef __BPF_TRACING_NET_H__
+#define __BPF_TRACING_NET_H__
+
+#define AF_INET			2
+#define AF_INET6		10
+
+#define SOL_SOCKET		1
+#define SO_REUSEADDR		2
+#define SO_SNDBUF		7
+#define SO_RCVBUF		8
+#define SO_KEEPALIVE		9
+#define SO_PRIORITY		12
+#define SO_REUSEPORT		15
+#define SO_RCVLOWAT		18
+#define SO_BINDTODEVICE		25
+#define SO_MARK			36
+#define SO_MAX_PACING_RATE	47
+#define SO_BINDTOIFINDEX	62
+#define SO_TXREHASH		74
+#define __SO_ACCEPTCON		(1 << 16)
+
+#define IP_TOS			1
+
+#define IPV6_TCLASS		67
+#define IPV6_AUTOFLOWLABEL	70
+
+#define SOL_TCP			6
+#define TCP_NODELAY		1
+#define TCP_MAXSEG		2
+#define TCP_KEEPIDLE		4
+#define TCP_KEEPINTVL		5
+#define TCP_KEEPCNT		6
+#define TCP_SYNCNT		7
+#define TCP_WINDOW_CLAMP	10
+#define TCP_CONGESTION		13
+#define TCP_THIN_LINEAR_TIMEOUTS	16
+#define TCP_USER_TIMEOUT	18
+#define TCP_NOTSENT_LOWAT	25
+#define TCP_SAVE_SYN		27
+#define TCP_SAVED_SYN		28
+#define TCP_CA_NAME_MAX		16
+#define TCP_NAGLE_OFF		1
+
+#define ICSK_TIME_RETRANS	1
+#define ICSK_TIME_PROBE0	3
+#define ICSK_TIME_LOSS_PROBE	5
+#define ICSK_TIME_REO_TIMEOUT	6
+
+#define IFNAMSIZ		16
+
+#define RTF_GATEWAY		0x0002
+
+#define TCP_INFINITE_SSTHRESH	0x7fffffff
+#define TCP_PINGPONG_THRESH	3
+
+#define fib_nh_dev		nh_common.nhc_dev
+#define fib_nh_gw_family	nh_common.nhc_gw_family
+#define fib_nh_gw6		nh_common.nhc_gw.ipv6
+
+#define inet_daddr		sk.__sk_common.skc_daddr
+#define inet_rcv_saddr		sk.__sk_common.skc_rcv_saddr
+#define inet_dport		sk.__sk_common.skc_dport
+
+#define ir_loc_addr		req.__req_common.skc_rcv_saddr
+#define ir_num			req.__req_common.skc_num
+#define ir_rmt_addr		req.__req_common.skc_daddr
+#define ir_rmt_port		req.__req_common.skc_dport
+#define ir_v6_rmt_addr		req.__req_common.skc_v6_daddr
+#define ir_v6_loc_addr		req.__req_common.skc_v6_rcv_saddr
+
+#define sk_num			__sk_common.skc_num
+#define sk_dport		__sk_common.skc_dport
+#define sk_family		__sk_common.skc_family
+#define sk_rmem_alloc		sk_backlog.rmem_alloc
+#define sk_refcnt		__sk_common.skc_refcnt
+#define sk_state		__sk_common.skc_state
+#define sk_v6_daddr		__sk_common.skc_v6_daddr
+#define sk_v6_rcv_saddr		__sk_common.skc_v6_rcv_saddr
+#define sk_flags		__sk_common.skc_flags
+#define sk_reuse		__sk_common.skc_reuse
+
+#define s6_addr32		in6_u.u6_addr32
+
+#define tw_daddr		__tw_common.skc_daddr
+#define tw_rcv_saddr		__tw_common.skc_rcv_saddr
+#define tw_dport		__tw_common.skc_dport
+#define tw_refcnt		__tw_common.skc_refcnt
+#define tw_v6_daddr		__tw_common.skc_v6_daddr
+#define tw_v6_rcv_saddr		__tw_common.skc_v6_rcv_saddr
+
+#endif
diff --git a/tools/testing/selftests/bpf/progs/bprm_opts.c b/tools/testing/selftests/bpf/progs/bprm_opts.c
new file mode 100644
index 000000000..418d9c6d4
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/bprm_opts.c
@@ -0,0 +1,34 @@
+// SPDX-License-Identifier: GPL-2.0
+
+/*
+ * Copyright 2020 Google LLC.
+ */
+
+#include <linux/bpf.h>
+#include <errno.h>
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_tracing.h>
+
+char _license[] SEC("license") = "GPL";
+
+struct {
+	__uint(type, BPF_MAP_TYPE_TASK_STORAGE);
+	__uint(map_flags, BPF_F_NO_PREALLOC);
+	__type(key, int);
+	__type(value, int);
+} secure_exec_task_map SEC(".maps");
+
+SEC("lsm/bprm_creds_for_exec")
+int BPF_PROG(secure_exec, struct linux_binprm *bprm)
+{
+	int *secureexec;
+
+	secureexec = bpf_task_storage_get(&secure_exec_task_map,
+				   bpf_get_current_task_btf(), 0,
+				   BPF_LOCAL_STORAGE_GET_F_CREATE);
+
+	if (secureexec && *secureexec)
+		bpf_bprm_opts_set(bprm, BPF_F_BPRM_SECUREEXEC);
+
+	return 0;
+}
diff --git a/tools/testing/selftests/bpf/progs/btf__core_reloc_arrays.c b/tools/testing/selftests/bpf/progs/btf__core_reloc_arrays.c
new file mode 100644
index 000000000..018ed7fbb
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/btf__core_reloc_arrays.c
@@ -0,0 +1,3 @@
+#include "core_reloc_types.h"
+
+void f(struct core_reloc_arrays x) {}
diff --git a/tools/testing/selftests/bpf/progs/btf__core_reloc_arrays___diff_arr_dim.c b/tools/testing/selftests/bpf/progs/btf__core_reloc_arrays___diff_arr_dim.c
new file mode 100644
index 000000000..13d662c57
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/btf__core_reloc_arrays___diff_arr_dim.c
@@ -0,0 +1,3 @@
+#include "core_reloc_types.h"
+
+void f(struct core_reloc_arrays___diff_arr_dim x) {}
diff --git a/tools/testing/selftests/bpf/progs/btf__core_reloc_arrays___diff_arr_val_sz.c b/tools/testing/selftests/bpf/progs/btf__core_reloc_arrays___diff_arr_val_sz.c
new file mode 100644
index 000000000..a351f418c
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/btf__core_reloc_arrays___diff_arr_val_sz.c
@@ -0,0 +1,3 @@
+#include "core_reloc_types.h"
+
+void f(struct core_reloc_arrays___diff_arr_val_sz x) {}
diff --git a/tools/testing/selftests/bpf/progs/btf__core_reloc_arrays___equiv_zero_sz_arr.c b/tools/testing/selftests/bpf/progs/btf__core_reloc_arrays___equiv_zero_sz_arr.c
new file mode 100644
index 000000000..65eac371b
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/btf__core_reloc_arrays___equiv_zero_sz_arr.c
@@ -0,0 +1,3 @@
+#include "core_reloc_types.h"
+
+void f(struct core_reloc_arrays___equiv_zero_sz_arr x) {}
diff --git a/tools/testing/selftests/bpf/progs/btf__core_reloc_arrays___err_bad_zero_sz_arr.c b/tools/testing/selftests/bpf/progs/btf__core_reloc_arrays___err_bad_zero_sz_arr.c
new file mode 100644
index 000000000..ecda2b545
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/btf__core_reloc_arrays___err_bad_zero_sz_arr.c
@@ -0,0 +1,3 @@
+#include "core_reloc_types.h"
+
+void f(struct core_reloc_arrays___err_bad_zero_sz_arr x) {}
diff --git a/tools/testing/selftests/bpf/progs/btf__core_reloc_arrays___err_non_array.c b/tools/testing/selftests/bpf/progs/btf__core_reloc_arrays___err_non_array.c
new file mode 100644
index 000000000..a8735009b
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/btf__core_reloc_arrays___err_non_array.c
@@ -0,0 +1,3 @@
+#include "core_reloc_types.h"
+
+void f(struct core_reloc_arrays___err_non_array x) {}
diff --git a/tools/testing/selftests/bpf/progs/btf__core_reloc_arrays___err_too_shallow.c b/tools/testing/selftests/bpf/progs/btf__core_reloc_arrays___err_too_shallow.c
new file mode 100644
index 000000000..2a67c28b1
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/btf__core_reloc_arrays___err_too_shallow.c
@@ -0,0 +1,3 @@
+#include "core_reloc_types.h"
+
+void f(struct core_reloc_arrays___err_too_shallow x) {}
diff --git a/tools/testing/selftests/bpf/progs/btf__core_reloc_arrays___err_too_small.c b/tools/testing/selftests/bpf/progs/btf__core_reloc_arrays___err_too_small.c
new file mode 100644
index 000000000..1142c08c9
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/btf__core_reloc_arrays___err_too_small.c
@@ -0,0 +1,3 @@
+#include "core_reloc_types.h"
+
+void f(struct core_reloc_arrays___err_too_small x) {}
diff --git a/tools/testing/selftests/bpf/progs/btf__core_reloc_arrays___err_wrong_val_type.c b/tools/testing/selftests/bpf/progs/btf__core_reloc_arrays___err_wrong_val_type.c
new file mode 100644
index 000000000..f5a7c832d
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/btf__core_reloc_arrays___err_wrong_val_type.c
@@ -0,0 +1,3 @@
+#include "core_reloc_types.h"
+
+void f(struct core_reloc_arrays___err_wrong_val_type x) {}
diff --git a/tools/testing/selftests/bpf/progs/btf__core_reloc_arrays___fixed_arr.c b/tools/testing/selftests/bpf/progs/btf__core_reloc_arrays___fixed_arr.c
new file mode 100644
index 000000000..fe1d01232
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/btf__core_reloc_arrays___fixed_arr.c
@@ -0,0 +1,3 @@
+#include "core_reloc_types.h"
+
+void f(struct core_reloc_arrays___fixed_arr x) {}
diff --git a/tools/testing/selftests/bpf/progs/btf__core_reloc_bitfields.c b/tools/testing/selftests/bpf/progs/btf__core_reloc_bitfields.c
new file mode 100644
index 000000000..cff6f1836
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/btf__core_reloc_bitfields.c
@@ -0,0 +1,3 @@
+#include "core_reloc_types.h"
+
+void f(struct core_reloc_bitfields x) {}
diff --git a/tools/testing/selftests/bpf/progs/btf__core_reloc_bitfields___bit_sz_change.c b/tools/testing/selftests/bpf/progs/btf__core_reloc_bitfields___bit_sz_change.c
new file mode 100644
index 000000000..a1cd157d5
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/btf__core_reloc_bitfields___bit_sz_change.c
@@ -0,0 +1,3 @@
+#include "core_reloc_types.h"
+
+void f(struct core_reloc_bitfields___bit_sz_change x) {}
diff --git a/tools/testing/selftests/bpf/progs/btf__core_reloc_bitfields___bitfield_vs_int.c b/tools/testing/selftests/bpf/progs/btf__core_reloc_bitfields___bitfield_vs_int.c
new file mode 100644
index 000000000..3f2c7b07c
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/btf__core_reloc_bitfields___bitfield_vs_int.c
@@ -0,0 +1,3 @@
+#include "core_reloc_types.h"
+
+void f(struct core_reloc_bitfields___bitfield_vs_int x) {}
diff --git a/tools/testing/selftests/bpf/progs/btf__core_reloc_bitfields___err_too_big_bitfield.c b/tools/testing/selftests/bpf/progs/btf__core_reloc_bitfields___err_too_big_bitfield.c
new file mode 100644
index 000000000..f9746d6be
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/btf__core_reloc_bitfields___err_too_big_bitfield.c
@@ -0,0 +1,3 @@
+#include "core_reloc_types.h"
+
+void f(struct core_reloc_bitfields___err_too_big_bitfield x) {}
diff --git a/tools/testing/selftests/bpf/progs/btf__core_reloc_bitfields___just_big_enough.c b/tools/testing/selftests/bpf/progs/btf__core_reloc_bitfields___just_big_enough.c
new file mode 100644
index 000000000..e7c75a695
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/btf__core_reloc_bitfields___just_big_enough.c
@@ -0,0 +1,3 @@
+#include "core_reloc_types.h"
+
+void f(struct core_reloc_bitfields___just_big_enough x) {}
diff --git a/tools/testing/selftests/bpf/progs/btf__core_reloc_enum64val.c b/tools/testing/selftests/bpf/progs/btf__core_reloc_enum64val.c
new file mode 100644
index 000000000..888e79db6
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/btf__core_reloc_enum64val.c
@@ -0,0 +1,3 @@
+#include "core_reloc_types.h"
+
+void f(struct core_reloc_enum64val x) {}
diff --git a/tools/testing/selftests/bpf/progs/btf__core_reloc_enum64val___diff.c b/tools/testing/selftests/bpf/progs/btf__core_reloc_enum64val___diff.c
new file mode 100644
index 000000000..194749130
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/btf__core_reloc_enum64val___diff.c
@@ -0,0 +1,3 @@
+#include "core_reloc_types.h"
+
+void f(struct core_reloc_enum64val___diff x) {}
diff --git a/tools/testing/selftests/bpf/progs/btf__core_reloc_enum64val___err_missing.c b/tools/testing/selftests/bpf/progs/btf__core_reloc_enum64val___err_missing.c
new file mode 100644
index 000000000..3d732d419
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/btf__core_reloc_enum64val___err_missing.c
@@ -0,0 +1,3 @@
+#include "core_reloc_types.h"
+
+void f(struct core_reloc_enum64val___err_missing x) {}
diff --git a/tools/testing/selftests/bpf/progs/btf__core_reloc_enum64val___val3_missing.c b/tools/testing/selftests/bpf/progs/btf__core_reloc_enum64val___val3_missing.c
new file mode 100644
index 000000000..17cf5d6a8
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/btf__core_reloc_enum64val___val3_missing.c
@@ -0,0 +1,3 @@
+#include "core_reloc_types.h"
+
+void f(struct core_reloc_enum64val___val3_missing x) {}
diff --git a/tools/testing/selftests/bpf/progs/btf__core_reloc_enumval.c b/tools/testing/selftests/bpf/progs/btf__core_reloc_enumval.c
new file mode 100644
index 000000000..48e62f3f0
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/btf__core_reloc_enumval.c
@@ -0,0 +1,3 @@
+#include "core_reloc_types.h"
+
+void f(struct core_reloc_enumval x) {}
diff --git a/tools/testing/selftests/bpf/progs/btf__core_reloc_enumval___diff.c b/tools/testing/selftests/bpf/progs/btf__core_reloc_enumval___diff.c
new file mode 100644
index 000000000..53e5e5a76
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/btf__core_reloc_enumval___diff.c
@@ -0,0 +1,3 @@
+#include "core_reloc_types.h"
+
+void f(struct core_reloc_enumval___diff x) {}
diff --git a/tools/testing/selftests/bpf/progs/btf__core_reloc_enumval___err_missing.c b/tools/testing/selftests/bpf/progs/btf__core_reloc_enumval___err_missing.c
new file mode 100644
index 000000000..d024fb2ac
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/btf__core_reloc_enumval___err_missing.c
@@ -0,0 +1,3 @@
+#include "core_reloc_types.h"
+
+void f(struct core_reloc_enumval___err_missing x) {}
diff --git a/tools/testing/selftests/bpf/progs/btf__core_reloc_enumval___val3_missing.c b/tools/testing/selftests/bpf/progs/btf__core_reloc_enumval___val3_missing.c
new file mode 100644
index 000000000..9de6595d2
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/btf__core_reloc_enumval___val3_missing.c
@@ -0,0 +1,3 @@
+#include "core_reloc_types.h"
+
+void f(struct core_reloc_enumval___val3_missing x) {}
diff --git a/tools/testing/selftests/bpf/progs/btf__core_reloc_existence.c b/tools/testing/selftests/bpf/progs/btf__core_reloc_existence.c
new file mode 100644
index 000000000..0b62315ad
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/btf__core_reloc_existence.c
@@ -0,0 +1,3 @@
+#include "core_reloc_types.h"
+
+void f(struct core_reloc_existence x) {}
diff --git a/tools/testing/selftests/bpf/progs/btf__core_reloc_existence___minimal.c b/tools/testing/selftests/bpf/progs/btf__core_reloc_existence___minimal.c
new file mode 100644
index 000000000..aec2dec20
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/btf__core_reloc_existence___minimal.c
@@ -0,0 +1,3 @@
+#include "core_reloc_types.h"
+
+void f(struct core_reloc_existence___minimal x) {}
diff --git a/tools/testing/selftests/bpf/progs/btf__core_reloc_existence___wrong_field_defs.c b/tools/testing/selftests/bpf/progs/btf__core_reloc_existence___wrong_field_defs.c
new file mode 100644
index 000000000..d14b49619
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/btf__core_reloc_existence___wrong_field_defs.c
@@ -0,0 +1,3 @@
+#include "core_reloc_types.h"
+
+void f(struct core_reloc_existence___wrong_field_defs x) {}
diff --git a/tools/testing/selftests/bpf/progs/btf__core_reloc_flavors.c b/tools/testing/selftests/bpf/progs/btf__core_reloc_flavors.c
new file mode 100644
index 000000000..b74455b91
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/btf__core_reloc_flavors.c
@@ -0,0 +1,3 @@
+#include "core_reloc_types.h"
+
+void f(struct core_reloc_flavors x) {}
diff --git a/tools/testing/selftests/bpf/progs/btf__core_reloc_flavors__err_wrong_name.c b/tools/testing/selftests/bpf/progs/btf__core_reloc_flavors__err_wrong_name.c
new file mode 100644
index 000000000..7b6035f86
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/btf__core_reloc_flavors__err_wrong_name.c
@@ -0,0 +1,3 @@
+#include "core_reloc_types.h"
+
+void f(struct core_reloc_flavors__err_wrong_name x) {}
diff --git a/tools/testing/selftests/bpf/progs/btf__core_reloc_ints.c b/tools/testing/selftests/bpf/progs/btf__core_reloc_ints.c
new file mode 100644
index 000000000..7d0f04104
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/btf__core_reloc_ints.c
@@ -0,0 +1,3 @@
+#include "core_reloc_types.h"
+
+void f(struct core_reloc_ints x) {}
diff --git a/tools/testing/selftests/bpf/progs/btf__core_reloc_ints___bool.c b/tools/testing/selftests/bpf/progs/btf__core_reloc_ints___bool.c
new file mode 100644
index 000000000..f93594501
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/btf__core_reloc_ints___bool.c
@@ -0,0 +1,3 @@
+#include "core_reloc_types.h"
+
+void f(struct core_reloc_ints___bool x) {}
diff --git a/tools/testing/selftests/bpf/progs/btf__core_reloc_ints___reverse_sign.c b/tools/testing/selftests/bpf/progs/btf__core_reloc_ints___reverse_sign.c
new file mode 100644
index 000000000..aafb1c581
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/btf__core_reloc_ints___reverse_sign.c
@@ -0,0 +1,3 @@
+#include "core_reloc_types.h"
+
+void f(struct core_reloc_ints___reverse_sign x) {}
diff --git a/tools/testing/selftests/bpf/progs/btf__core_reloc_misc.c b/tools/testing/selftests/bpf/progs/btf__core_reloc_misc.c
new file mode 100644
index 000000000..ed9ad8b5b
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/btf__core_reloc_misc.c
@@ -0,0 +1,5 @@
+#include "core_reloc_types.h"
+
+void f1(struct core_reloc_misc___a x) {}
+void f2(struct core_reloc_misc___b x) {}
+void f3(struct core_reloc_misc_extensible x) {}
diff --git a/tools/testing/selftests/bpf/progs/btf__core_reloc_mods.c b/tools/testing/selftests/bpf/progs/btf__core_reloc_mods.c
new file mode 100644
index 000000000..124197a2e
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/btf__core_reloc_mods.c
@@ -0,0 +1,3 @@
+#include "core_reloc_types.h"
+
+void f(struct core_reloc_mods x) {}
diff --git a/tools/testing/selftests/bpf/progs/btf__core_reloc_mods___mod_swap.c b/tools/testing/selftests/bpf/progs/btf__core_reloc_mods___mod_swap.c
new file mode 100644
index 000000000..f8a6592ca
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/btf__core_reloc_mods___mod_swap.c
@@ -0,0 +1,3 @@
+#include "core_reloc_types.h"
+
+void f(struct core_reloc_mods___mod_swap x) {}
diff --git a/tools/testing/selftests/bpf/progs/btf__core_reloc_mods___typedefs.c b/tools/testing/selftests/bpf/progs/btf__core_reloc_mods___typedefs.c
new file mode 100644
index 000000000..5c0d73687
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/btf__core_reloc_mods___typedefs.c
@@ -0,0 +1,3 @@
+#include "core_reloc_types.h"
+
+void f(struct core_reloc_mods___typedefs x) {}
diff --git a/tools/testing/selftests/bpf/progs/btf__core_reloc_nesting.c b/tools/testing/selftests/bpf/progs/btf__core_reloc_nesting.c
new file mode 100644
index 000000000..4480fcc0f
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/btf__core_reloc_nesting.c
@@ -0,0 +1,3 @@
+#include "core_reloc_types.h"
+
+void f(struct core_reloc_nesting x) {}
diff --git a/tools/testing/selftests/bpf/progs/btf__core_reloc_nesting___anon_embed.c b/tools/testing/selftests/bpf/progs/btf__core_reloc_nesting___anon_embed.c
new file mode 100644
index 000000000..13e108f76
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/btf__core_reloc_nesting___anon_embed.c
@@ -0,0 +1,3 @@
+#include "core_reloc_types.h"
+
+void f(struct core_reloc_nesting___anon_embed x) {}
diff --git a/tools/testing/selftests/bpf/progs/btf__core_reloc_nesting___dup_compat_types.c b/tools/testing/selftests/bpf/progs/btf__core_reloc_nesting___dup_compat_types.c
new file mode 100644
index 000000000..76b54fda5
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/btf__core_reloc_nesting___dup_compat_types.c
@@ -0,0 +1,5 @@
+#include "core_reloc_types.h"
+
+void f1(struct core_reloc_nesting___dup_compat_types x) {}
+void f2(struct core_reloc_nesting___dup_compat_types__2 x) {}
+void f3(struct core_reloc_nesting___dup_compat_types__3 x) {}
diff --git a/tools/testing/selftests/bpf/progs/btf__core_reloc_nesting___err_array_container.c b/tools/testing/selftests/bpf/progs/btf__core_reloc_nesting___err_array_container.c
new file mode 100644
index 000000000..975fb95db
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/btf__core_reloc_nesting___err_array_container.c
@@ -0,0 +1,3 @@
+#include "core_reloc_types.h"
+
+void f(struct core_reloc_nesting___err_array_container x) {}
diff --git a/tools/testing/selftests/bpf/progs/btf__core_reloc_nesting___err_array_field.c b/tools/testing/selftests/bpf/progs/btf__core_reloc_nesting___err_array_field.c
new file mode 100644
index 000000000..ad66c67e7
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/btf__core_reloc_nesting___err_array_field.c
@@ -0,0 +1,3 @@
+#include "core_reloc_types.h"
+
+void f(struct core_reloc_nesting___err_array_field x) {}
diff --git a/tools/testing/selftests/bpf/progs/btf__core_reloc_nesting___err_dup_incompat_types.c b/tools/testing/selftests/bpf/progs/btf__core_reloc_nesting___err_dup_incompat_types.c
new file mode 100644
index 000000000..35c5f8da6
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/btf__core_reloc_nesting___err_dup_incompat_types.c
@@ -0,0 +1,4 @@
+#include "core_reloc_types.h"
+
+void f1(struct core_reloc_nesting___err_dup_incompat_types__1 x) {}
+void f2(struct core_reloc_nesting___err_dup_incompat_types__2 x) {}
diff --git a/tools/testing/selftests/bpf/progs/btf__core_reloc_nesting___err_missing_container.c b/tools/testing/selftests/bpf/progs/btf__core_reloc_nesting___err_missing_container.c
new file mode 100644
index 000000000..142e33204
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/btf__core_reloc_nesting___err_missing_container.c
@@ -0,0 +1,3 @@
+#include "core_reloc_types.h"
+
+void f(struct core_reloc_nesting___err_missing_container x) {}
diff --git a/tools/testing/selftests/bpf/progs/btf__core_reloc_nesting___err_missing_field.c b/tools/testing/selftests/bpf/progs/btf__core_reloc_nesting___err_missing_field.c
new file mode 100644
index 000000000..efcae167f
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/btf__core_reloc_nesting___err_missing_field.c
@@ -0,0 +1,3 @@
+#include "core_reloc_types.h"
+
+void f(struct core_reloc_nesting___err_missing_field x) {}
diff --git a/tools/testing/selftests/bpf/progs/btf__core_reloc_nesting___err_nonstruct_container.c b/tools/testing/selftests/bpf/progs/btf__core_reloc_nesting___err_nonstruct_container.c
new file mode 100644
index 000000000..97aaaedd8
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/btf__core_reloc_nesting___err_nonstruct_container.c
@@ -0,0 +1,3 @@
+#include "core_reloc_types.h"
+
+void f(struct core_reloc_nesting___err_nonstruct_container x) {}
diff --git a/tools/testing/selftests/bpf/progs/btf__core_reloc_nesting___err_partial_match_dups.c b/tools/testing/selftests/bpf/progs/btf__core_reloc_nesting___err_partial_match_dups.c
new file mode 100644
index 000000000..ffde35086
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/btf__core_reloc_nesting___err_partial_match_dups.c
@@ -0,0 +1,4 @@
+#include "core_reloc_types.h"
+
+void f1(struct core_reloc_nesting___err_partial_match_dups__a x) {}
+void f2(struct core_reloc_nesting___err_partial_match_dups__b x) {}
diff --git a/tools/testing/selftests/bpf/progs/btf__core_reloc_nesting___err_too_deep.c b/tools/testing/selftests/bpf/progs/btf__core_reloc_nesting___err_too_deep.c
new file mode 100644
index 000000000..39a2fadd8
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/btf__core_reloc_nesting___err_too_deep.c
@@ -0,0 +1,3 @@
+#include "core_reloc_types.h"
+
+void f(struct core_reloc_nesting___err_too_deep x) {}
diff --git a/tools/testing/selftests/bpf/progs/btf__core_reloc_nesting___extra_nesting.c b/tools/testing/selftests/bpf/progs/btf__core_reloc_nesting___extra_nesting.c
new file mode 100644
index 000000000..a09d9dfb2
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/btf__core_reloc_nesting___extra_nesting.c
@@ -0,0 +1,3 @@
+#include "core_reloc_types.h"
+
+void f(struct core_reloc_nesting___extra_nesting x) {}
diff --git a/tools/testing/selftests/bpf/progs/btf__core_reloc_nesting___struct_union_mixup.c b/tools/testing/selftests/bpf/progs/btf__core_reloc_nesting___struct_union_mixup.c
new file mode 100644
index 000000000..3d8a1a740
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/btf__core_reloc_nesting___struct_union_mixup.c
@@ -0,0 +1,3 @@
+#include "core_reloc_types.h"
+
+void f(struct core_reloc_nesting___struct_union_mixup x) {}
diff --git a/tools/testing/selftests/bpf/progs/btf__core_reloc_primitives.c b/tools/testing/selftests/bpf/progs/btf__core_reloc_primitives.c
new file mode 100644
index 000000000..96b90e392
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/btf__core_reloc_primitives.c
@@ -0,0 +1,3 @@
+#include "core_reloc_types.h"
+
+void f(struct core_reloc_primitives x) {}
diff --git a/tools/testing/selftests/bpf/progs/btf__core_reloc_primitives___diff_enum_def.c b/tools/testing/selftests/bpf/progs/btf__core_reloc_primitives___diff_enum_def.c
new file mode 100644
index 000000000..6e87233a3
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/btf__core_reloc_primitives___diff_enum_def.c
@@ -0,0 +1,3 @@
+#include "core_reloc_types.h"
+
+void f(struct core_reloc_primitives___diff_enum_def x) {}
diff --git a/tools/testing/selftests/bpf/progs/btf__core_reloc_primitives___diff_func_proto.c b/tools/testing/selftests/bpf/progs/btf__core_reloc_primitives___diff_func_proto.c
new file mode 100644
index 000000000..d9f48e80b
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/btf__core_reloc_primitives___diff_func_proto.c
@@ -0,0 +1,3 @@
+#include "core_reloc_types.h"
+
+void f(struct core_reloc_primitives___diff_func_proto x) {}
diff --git a/tools/testing/selftests/bpf/progs/btf__core_reloc_primitives___diff_ptr_type.c b/tools/testing/selftests/bpf/progs/btf__core_reloc_primitives___diff_ptr_type.c
new file mode 100644
index 000000000..c718f75f8
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/btf__core_reloc_primitives___diff_ptr_type.c
@@ -0,0 +1,3 @@
+#include "core_reloc_types.h"
+
+void f(struct core_reloc_primitives___diff_ptr_type x) {}
diff --git a/tools/testing/selftests/bpf/progs/btf__core_reloc_primitives___err_non_enum.c b/tools/testing/selftests/bpf/progs/btf__core_reloc_primitives___err_non_enum.c
new file mode 100644
index 000000000..b8a120830
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/btf__core_reloc_primitives___err_non_enum.c
@@ -0,0 +1,3 @@
+#include "core_reloc_types.h"
+
+void f(struct core_reloc_primitives___err_non_enum x) {}
diff --git a/tools/testing/selftests/bpf/progs/btf__core_reloc_primitives___err_non_int.c b/tools/testing/selftests/bpf/progs/btf__core_reloc_primitives___err_non_int.c
new file mode 100644
index 000000000..ad8b3c9aa
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/btf__core_reloc_primitives___err_non_int.c
@@ -0,0 +1,3 @@
+#include "core_reloc_types.h"
+
+void f(struct core_reloc_primitives___err_non_int x) {}
diff --git a/tools/testing/selftests/bpf/progs/btf__core_reloc_primitives___err_non_ptr.c b/tools/testing/selftests/bpf/progs/btf__core_reloc_primitives___err_non_ptr.c
new file mode 100644
index 000000000..e20bc1d42
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/btf__core_reloc_primitives___err_non_ptr.c
@@ -0,0 +1,3 @@
+#include "core_reloc_types.h"
+
+void f(struct core_reloc_primitives___err_non_ptr x) {}
diff --git a/tools/testing/selftests/bpf/progs/btf__core_reloc_ptr_as_arr.c b/tools/testing/selftests/bpf/progs/btf__core_reloc_ptr_as_arr.c
new file mode 100644
index 000000000..8da52432b
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/btf__core_reloc_ptr_as_arr.c
@@ -0,0 +1,3 @@
+#include "core_reloc_types.h"
+
+void f(struct core_reloc_ptr_as_arr x) {}
diff --git a/tools/testing/selftests/bpf/progs/btf__core_reloc_ptr_as_arr___diff_sz.c b/tools/testing/selftests/bpf/progs/btf__core_reloc_ptr_as_arr___diff_sz.c
new file mode 100644
index 000000000..003acfc9a
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/btf__core_reloc_ptr_as_arr___diff_sz.c
@@ -0,0 +1,3 @@
+#include "core_reloc_types.h"
+
+void f(struct core_reloc_ptr_as_arr___diff_sz x) {}
diff --git a/tools/testing/selftests/bpf/progs/btf__core_reloc_size.c b/tools/testing/selftests/bpf/progs/btf__core_reloc_size.c
new file mode 100644
index 000000000..3c80903da
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/btf__core_reloc_size.c
@@ -0,0 +1,3 @@
+#include "core_reloc_types.h"
+
+void f(struct core_reloc_size x) {}
diff --git a/tools/testing/selftests/bpf/progs/btf__core_reloc_size___diff_offs.c b/tools/testing/selftests/bpf/progs/btf__core_reloc_size___diff_offs.c
new file mode 100644
index 000000000..3824345d8
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/btf__core_reloc_size___diff_offs.c
@@ -0,0 +1,3 @@
+#include "core_reloc_types.h"
+
+void f(struct core_reloc_size___diff_offs x) {}
diff --git a/tools/testing/selftests/bpf/progs/btf__core_reloc_size___diff_sz.c b/tools/testing/selftests/bpf/progs/btf__core_reloc_size___diff_sz.c
new file mode 100644
index 000000000..6dbd14436
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/btf__core_reloc_size___diff_sz.c
@@ -0,0 +1,3 @@
+#include "core_reloc_types.h"
+
+void f(struct core_reloc_size___diff_sz x) {}
diff --git a/tools/testing/selftests/bpf/progs/btf__core_reloc_size___err_ambiguous.c b/tools/testing/selftests/bpf/progs/btf__core_reloc_size___err_ambiguous.c
new file mode 100644
index 000000000..f3e9904df
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/btf__core_reloc_size___err_ambiguous.c
@@ -0,0 +1,4 @@
+#include "core_reloc_types.h"
+
+void f(struct core_reloc_size___err_ambiguous1 x,
+       struct core_reloc_size___err_ambiguous2 y) {}
diff --git a/tools/testing/selftests/bpf/progs/btf__core_reloc_type_based.c b/tools/testing/selftests/bpf/progs/btf__core_reloc_type_based.c
new file mode 100644
index 000000000..fc3f69e58
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/btf__core_reloc_type_based.c
@@ -0,0 +1,3 @@
+#include "core_reloc_types.h"
+
+void f(struct core_reloc_type_based x) {}
diff --git a/tools/testing/selftests/bpf/progs/btf__core_reloc_type_based___all_missing.c b/tools/testing/selftests/bpf/progs/btf__core_reloc_type_based___all_missing.c
new file mode 100644
index 000000000..51511648b
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/btf__core_reloc_type_based___all_missing.c
@@ -0,0 +1,3 @@
+#include "core_reloc_types.h"
+
+void f(struct core_reloc_type_based___all_missing x) {}
diff --git a/tools/testing/selftests/bpf/progs/btf__core_reloc_type_based___diff.c b/tools/testing/selftests/bpf/progs/btf__core_reloc_type_based___diff.c
new file mode 100644
index 000000000..57ae2c258
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/btf__core_reloc_type_based___diff.c
@@ -0,0 +1,3 @@
+#include "core_reloc_types.h"
+
+void f(struct core_reloc_type_based___diff x) {}
diff --git a/tools/testing/selftests/bpf/progs/btf__core_reloc_type_based___diff_sz.c b/tools/testing/selftests/bpf/progs/btf__core_reloc_type_based___diff_sz.c
new file mode 100644
index 000000000..67db3dceb
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/btf__core_reloc_type_based___diff_sz.c
@@ -0,0 +1,3 @@
+#include "core_reloc_types.h"
+
+void f(struct core_reloc_type_based___diff_sz x) {}
diff --git a/tools/testing/selftests/bpf/progs/btf__core_reloc_type_based___fn_wrong_args.c b/tools/testing/selftests/bpf/progs/btf__core_reloc_type_based___fn_wrong_args.c
new file mode 100644
index 000000000..b357fc654
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/btf__core_reloc_type_based___fn_wrong_args.c
@@ -0,0 +1,3 @@
+#include "core_reloc_types.h"
+
+void f(struct core_reloc_type_based___fn_wrong_args x) {}
diff --git a/tools/testing/selftests/bpf/progs/btf__core_reloc_type_based___incompat.c b/tools/testing/selftests/bpf/progs/btf__core_reloc_type_based___incompat.c
new file mode 100644
index 000000000..8ddf20d33
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/btf__core_reloc_type_based___incompat.c
@@ -0,0 +1,3 @@
+#include "core_reloc_types.h"
+
+void f(struct core_reloc_type_based___incompat x) {}
diff --git a/tools/testing/selftests/bpf/progs/btf__core_reloc_type_id.c b/tools/testing/selftests/bpf/progs/btf__core_reloc_type_id.c
new file mode 100644
index 000000000..abbe5bddc
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/btf__core_reloc_type_id.c
@@ -0,0 +1,3 @@
+#include "core_reloc_types.h"
+
+void f(struct core_reloc_type_id x) {}
diff --git a/tools/testing/selftests/bpf/progs/btf__core_reloc_type_id___missing_targets.c b/tools/testing/selftests/bpf/progs/btf__core_reloc_type_id___missing_targets.c
new file mode 100644
index 000000000..24e7caf4f
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/btf__core_reloc_type_id___missing_targets.c
@@ -0,0 +1,3 @@
+#include "core_reloc_types.h"
+
+void f(struct core_reloc_type_id___missing_targets x) {}
diff --git a/tools/testing/selftests/bpf/progs/btf_data.c b/tools/testing/selftests/bpf/progs/btf_data.c
new file mode 100644
index 000000000..baa525275
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/btf_data.c
@@ -0,0 +1,50 @@
+// SPDX-License-Identifier: (LGPL-2.1 OR BSD-2-Clause)
+
+struct S {
+	int	a;
+	int	b;
+	int	c;
+};
+
+union U {
+	int	a;
+	int	b;
+	int	c;
+};
+
+struct S1 {
+	int	a;
+	int	b;
+	int	c;
+};
+
+union U1 {
+	int	a;
+	int	b;
+	int	c;
+};
+
+typedef int T;
+typedef int S;
+typedef int U;
+typedef int T1;
+typedef int S1;
+typedef int U1;
+
+struct root_struct {
+	S		m_1;
+	T		m_2;
+	U		m_3;
+	S1		m_4;
+	T1		m_5;
+	U1		m_6;
+	struct S	m_7;
+	struct S1	m_8;
+	union  U	m_9;
+	union  U1	m_10;
+};
+
+int func(struct root_struct *root)
+{
+	return 0;
+}
diff --git a/tools/testing/selftests/bpf/progs/btf_dump_test_case_bitfields.c b/tools/testing/selftests/bpf/progs/btf_dump_test_case_bitfields.c
new file mode 100644
index 000000000..e01690618
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/btf_dump_test_case_bitfields.c
@@ -0,0 +1,92 @@
+// SPDX-License-Identifier: (LGPL-2.1 OR BSD-2-Clause)
+
+/*
+ * BTF-to-C dumper tests for bitfield.
+ *
+ * Copyright (c) 2019 Facebook
+ */
+#include <stdbool.h>
+
+/* ----- START-EXPECTED-OUTPUT ----- */
+/*
+ *struct bitfields_only_mixed_types {
+ *	int a: 3;
+ *	long b: 2;
+ *	_Bool c: 1;
+ *	enum {
+ *		A = 0,
+ *		B = 1,
+ *	} d: 1;
+ *	short e: 5;
+ *	int: 20;
+ *	unsigned int f: 30;
+ *};
+ *
+ */
+/* ------ END-EXPECTED-OUTPUT ------ */
+
+struct bitfields_only_mixed_types {
+	int a: 3;
+	long b: 2;
+	bool c: 1; /* it's really a _Bool type */
+	enum {
+		A, /* A = 0, dumper is very explicit */
+		B, /* B = 1, same */
+	} d: 1;
+	short e: 5;
+	/* 20-bit padding here */
+	unsigned f: 30; /* this gets aligned on 4-byte boundary */
+};
+
+/* ----- START-EXPECTED-OUTPUT ----- */
+/*
+ *struct bitfield_mixed_with_others {
+ *	char: 4;
+ *	int a: 4;
+ *	short b;
+ *	long c;
+ *	long d: 8;
+ *	int e;
+ *	int f;
+ *};
+ *
+ */
+/* ------ END-EXPECTED-OUTPUT ------ */
+struct bitfield_mixed_with_others {
+	char: 4; /* char is enough as a backing field */
+	int a: 4;
+	/* 8-bit implicit padding */
+	short b; /* combined with previous bitfield */
+	/* 4 more bytes of implicit padding */
+	long c;
+	long d: 8;
+	/* 24 bits implicit padding */
+	int e; /* combined with previous bitfield */
+	int f;
+	/* 4 bytes of padding */
+};
+
+/* ----- START-EXPECTED-OUTPUT ----- */
+/*
+ *struct bitfield_flushed {
+ *	int a: 4;
+ *	long: 60;
+ *	long b: 16;
+ *};
+ *
+ */
+/* ------ END-EXPECTED-OUTPUT ------ */
+struct bitfield_flushed {
+	int a: 4;
+	long: 0; /* flush until next natural alignment boundary */
+	long b: 16;
+};
+
+int f(struct {
+	struct bitfields_only_mixed_types _1;
+	struct bitfield_mixed_with_others _2;
+	struct bitfield_flushed _3;
+} *_)
+{
+	return 0;
+}
diff --git a/tools/testing/selftests/bpf/progs/btf_dump_test_case_multidim.c b/tools/testing/selftests/bpf/progs/btf_dump_test_case_multidim.c
new file mode 100644
index 000000000..ba97165bd
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/btf_dump_test_case_multidim.c
@@ -0,0 +1,35 @@
+// SPDX-License-Identifier: (LGPL-2.1 OR BSD-2-Clause)
+
+/*
+ * BTF-to-C dumper test for multi-dimensional array output.
+ *
+ * Copyright (c) 2019 Facebook
+ */
+/* ----- START-EXPECTED-OUTPUT ----- */
+typedef int arr_t[2];
+
+typedef int multiarr_t[3][4][5];
+
+typedef int *ptr_arr_t[6];
+
+typedef int *ptr_multiarr_t[7][8][9][10];
+
+typedef int * (*fn_ptr_arr_t[11])();
+
+typedef int * (*fn_ptr_multiarr_t[12][13])();
+
+struct root_struct {
+	arr_t _1;
+	multiarr_t _2;
+	ptr_arr_t _3;
+	ptr_multiarr_t _4;
+	fn_ptr_arr_t _5;
+	fn_ptr_multiarr_t _6;
+};
+
+/* ------ END-EXPECTED-OUTPUT ------ */
+
+int f(struct root_struct *s)
+{
+	return 0;
+}
diff --git a/tools/testing/selftests/bpf/progs/btf_dump_test_case_namespacing.c b/tools/testing/selftests/bpf/progs/btf_dump_test_case_namespacing.c
new file mode 100644
index 000000000..92a4ad428
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/btf_dump_test_case_namespacing.c
@@ -0,0 +1,73 @@
+// SPDX-License-Identifier: (LGPL-2.1 OR BSD-2-Clause)
+
+/*
+ * BTF-to-C dumper test validating no name versioning happens between
+ * independent C namespaces (struct/union/enum vs typedef/enum values).
+ *
+ * Copyright (c) 2019 Facebook
+ */
+/* ----- START-EXPECTED-OUTPUT ----- */
+struct S {
+	int S;
+	int U;
+};
+
+typedef struct S S;
+
+union U {
+	int S;
+	int U;
+};
+
+typedef union U U;
+
+enum E {
+	V = 0,
+};
+
+typedef enum E E;
+
+struct A {};
+
+union B {};
+
+enum C {
+	A = 1,
+	B = 2,
+	C = 3,
+};
+
+struct X {};
+
+union Y {};
+
+enum Z;
+
+typedef int X;
+
+typedef int Y;
+
+typedef int Z;
+
+/*------ END-EXPECTED-OUTPUT ------ */
+
+int f(struct {
+	struct S _1;
+	S _2;
+	union U _3;
+	U _4;
+	enum E _5;
+	E _6;
+	struct A a;
+	union B b;
+	enum C c;
+	struct X x;
+	union Y y;
+	enum Z *z;
+	X xx;
+	Y yy;
+	Z zz;
+} *_)
+{
+	return 0;
+}
diff --git a/tools/testing/selftests/bpf/progs/btf_dump_test_case_ordering.c b/tools/testing/selftests/bpf/progs/btf_dump_test_case_ordering.c
new file mode 100644
index 000000000..7c95702ee
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/btf_dump_test_case_ordering.c
@@ -0,0 +1,63 @@
+// SPDX-License-Identifier: (LGPL-2.1 OR BSD-2-Clause)
+
+/*
+ * BTF-to-C dumper test for topological sorting of dependent structs.
+ *
+ * Copyright (c) 2019 Facebook
+ */
+/* ----- START-EXPECTED-OUTPUT ----- */
+struct s1 {};
+
+struct s3;
+
+struct s4;
+
+struct s2 {
+	struct s2 *s2;
+	struct s3 *s3;
+	struct s4 *s4;
+};
+
+struct s3 {
+	struct s1 s1;
+	struct s2 s2;
+};
+
+struct s4 {
+	struct s1 s1;
+	struct s3 s3;
+};
+
+struct list_head {
+	struct list_head *next;
+	struct list_head *prev;
+};
+
+struct hlist_node {
+	struct hlist_node *next;
+	struct hlist_node **pprev;
+};
+
+struct hlist_head {
+	struct hlist_node *first;
+};
+
+struct callback_head {
+	struct callback_head *next;
+	void (*func)(struct callback_head *);
+};
+
+struct root_struct {
+	struct s4 s4;
+	struct list_head l;
+	struct hlist_node n;
+	struct hlist_head h;
+	struct callback_head cb;
+};
+
+/*------ END-EXPECTED-OUTPUT ------ */
+
+int f(struct root_struct *root)
+{
+	return 0;
+}
diff --git a/tools/testing/selftests/bpf/progs/btf_dump_test_case_packing.c b/tools/testing/selftests/bpf/progs/btf_dump_test_case_packing.c
new file mode 100644
index 000000000..7998f27df
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/btf_dump_test_case_packing.c
@@ -0,0 +1,153 @@
+// SPDX-License-Identifier: (LGPL-2.1 OR BSD-2-Clause)
+
+/*
+ * BTF-to-C dumper tests for struct packing determination.
+ *
+ * Copyright (c) 2019 Facebook
+ */
+/* ----- START-EXPECTED-OUTPUT ----- */
+struct packed_trailing_space {
+	int a;
+	short b;
+} __attribute__((packed));
+
+struct non_packed_trailing_space {
+	int a;
+	short b;
+};
+
+struct packed_fields {
+	short a;
+	int b;
+} __attribute__((packed));
+
+struct non_packed_fields {
+	short a;
+	int b;
+};
+
+struct nested_packed {
+	char: 4;
+	int a: 4;
+	long b;
+	struct {
+		char c;
+		int d;
+	} __attribute__((packed)) e;
+} __attribute__((packed));
+
+union union_is_never_packed {
+	int a: 4;
+	char b;
+	char c: 1;
+};
+
+union union_does_not_need_packing {
+	struct {
+		long a;
+		int b;
+	} __attribute__((packed));
+	int c;
+};
+
+union jump_code_union {
+	char code[5];
+	struct {
+		char jump;
+		int offset;
+	} __attribute__((packed));
+};
+
+/* ----- START-EXPECTED-OUTPUT ----- */
+/*
+ *struct nested_packed_but_aligned_struct {
+ *	int x1;
+ *	int x2;
+ *};
+ *
+ *struct outer_implicitly_packed_struct {
+ *	char y1;
+ *	struct nested_packed_but_aligned_struct y2;
+ *} __attribute__((packed));
+ *
+ */
+/* ------ END-EXPECTED-OUTPUT ------ */
+
+struct nested_packed_but_aligned_struct {
+	int x1;
+	int x2;
+} __attribute__((packed));
+
+struct outer_implicitly_packed_struct {
+	char y1;
+	struct nested_packed_but_aligned_struct y2;
+};
+/* ----- START-EXPECTED-OUTPUT ----- */
+/*
+ *struct usb_ss_ep_comp_descriptor {
+ *	char: 8;
+ *	char bDescriptorType;
+ *	char bMaxBurst;
+ *	short wBytesPerInterval;
+ *};
+ *
+ *struct usb_host_endpoint {
+ *	long: 64;
+ *	char: 8;
+ *	struct usb_ss_ep_comp_descriptor ss_ep_comp;
+ *	long: 0;
+ *} __attribute__((packed));
+ *
+ */
+/* ------ END-EXPECTED-OUTPUT ------ */
+
+struct usb_ss_ep_comp_descriptor {
+	char: 8;
+	char bDescriptorType;
+	char bMaxBurst;
+	int: 0;
+	short wBytesPerInterval;
+} __attribute__((packed));
+
+struct usb_host_endpoint {
+	long: 64;
+	char: 8;
+	struct usb_ss_ep_comp_descriptor ss_ep_comp;
+	long: 0;
+};
+
+/* ----- START-EXPECTED-OUTPUT ----- */
+struct nested_packed_struct {
+	int a;
+	char b;
+} __attribute__((packed));
+
+struct outer_nonpacked_struct {
+	short a;
+	struct nested_packed_struct b;
+};
+
+struct outer_packed_struct {
+	short a;
+	struct nested_packed_struct b;
+} __attribute__((packed));
+
+/* ------ END-EXPECTED-OUTPUT ------ */
+
+int f(struct {
+	struct packed_trailing_space _1;
+	struct non_packed_trailing_space _2;
+	struct packed_fields _3;
+	struct non_packed_fields _4;
+	struct nested_packed _5;
+	union union_is_never_packed _6;
+	union union_does_not_need_packing _7;
+	union jump_code_union _8;
+	struct outer_implicitly_packed_struct _9;
+	struct usb_host_endpoint _10;
+	struct outer_nonpacked_struct _11;
+	struct outer_packed_struct _12;
+} *_)
+{
+	return 0;
+}
diff --git a/tools/testing/selftests/bpf/progs/btf_dump_test_case_padding.c b/tools/testing/selftests/bpf/progs/btf_dump_test_case_padding.c
new file mode 100644
index 000000000..79276fbe4
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/btf_dump_test_case_padding.c
@@ -0,0 +1,249 @@
+// SPDX-License-Identifier: (LGPL-2.1 OR BSD-2-Clause)
+
+/*
+ * BTF-to-C dumper tests for implicit and explicit padding between fields and
+ * at the end of a struct.
+ *
+ * Copyright (c) 2019 Facebook
+ */
+/* ----- START-EXPECTED-OUTPUT ----- */
+struct padded_implicitly {
+	int a;
+	long b;
+	char c;
+};
+
+/* ------ END-EXPECTED-OUTPUT ------ */
+
+/* ----- START-EXPECTED-OUTPUT ----- */
+/*
+ *struct padded_explicitly {
+ *	int a;
+ *	long: 0;
+ *	int b;
+ *};
+ *
+ */
+/* ------ END-EXPECTED-OUTPUT ------ */
+
+struct padded_explicitly {
+	int a;
+	int: 1; /* algo will emit aligning `long: 0;` here */
+	int b;
+};
+
+/* ----- START-EXPECTED-OUTPUT ----- */
+struct padded_a_lot {
+	int a;
+	long: 64;
+	long: 64;
+	int b;
+};
+
+/* ------ END-EXPECTED-OUTPUT ------ */
+
+/* ----- START-EXPECTED-OUTPUT ----- */
+/*
+ *struct padded_cache_line {
+ *	int a;
+ *	long: 64;
+ *	long: 64;
+ *	long: 64;
+ *	int b;
+ *	long: 64;
+ *	long: 64;
+ *	long: 64;
+ *};
+ *
+ */
+/* ------ END-EXPECTED-OUTPUT ------ */
+
+struct padded_cache_line {
+	int a;
+	int b __attribute__((aligned(32)));
+};
+
+/* ----- START-EXPECTED-OUTPUT ----- */
+/*
+ *struct zone_padding {
+ *	char x[0];
+ *};
+ *
+ *struct zone {
+ *	int a;
+ *	short b;
+ *	long: 0;
+ *	struct zone_padding __pad__;
+ *};
+ *
+ */
+/* ------ END-EXPECTED-OUTPUT ------ */
+
+struct zone_padding {
+	char x[0];
+} __attribute__((__aligned__(8)));
+
+struct zone {
+	int a;
+	short b;
+	struct zone_padding __pad__;
+};
+
+/* ----- START-EXPECTED-OUTPUT ----- */
+struct padding_wo_named_members {
+	long: 64;
+	long: 64;
+};
+
+struct padding_weird_1 {
+	int a;
+	long: 64;
+	short: 16;
+	short b;
+};
+
+/* ------ END-EXPECTED-OUTPUT ------ */
+
+/* ----- START-EXPECTED-OUTPUT ----- */
+/*
+ *struct padding_weird_2 {
+ *	long: 56;
+ *	char a;
+ *	long: 56;
+ *	char b;
+ *	char: 8;
+ *};
+ *
+ */
+/* ------ END-EXPECTED-OUTPUT ------ */
+struct padding_weird_2 {
+	int: 32;	/* these paddings will be collapsed into `long: 56;` */
+	short: 16;
+	char: 8;
+	char a;
+	int: 32;	/* these paddings will be collapsed into `long: 56;` */
+	short: 16;
+	char: 8;
+	char b;
+	char: 8;
+};
+
+/* ----- START-EXPECTED-OUTPUT ----- */
+struct exact_1byte {
+	char x;
+};
+
+struct padded_1byte {
+	char: 8;
+};
+
+struct exact_2bytes {
+	short x;
+};
+
+struct padded_2bytes {
+	short: 16;
+};
+
+struct exact_4bytes {
+	int x;
+};
+
+struct padded_4bytes {
+	int: 32;
+};
+
+struct exact_8bytes {
+	long x;
+};
+
+struct padded_8bytes {
+	long: 64;
+};
+
+struct ff_periodic_effect {
+	int: 32;
+	short magnitude;
+	long: 0;
+	short phase;
+	long: 0;
+	int: 32;
+	int custom_len;
+	short *custom_data;
+};
+
+struct ib_wc {
+	long: 64;
+	long: 64;
+	int: 32;
+	int byte_len;
+	void *qp;
+	union {} ex;
+	long: 64;
+	int slid;
+	int wc_flags;
+	long: 64;
+	char smac[6];
+	long: 0;
+	char network_hdr_type;
+};
+
+struct acpi_object_method {
+	long: 64;
+	char: 8;
+	char type;
+	short reference_count;
+	char flags;
+	short: 0;
+	char: 8;
+	char sync_level;
+	long: 64;
+	void *node;
+	void *aml_start;
+	union {} dispatch;
+	long: 64;
+	int aml_length;
+};
+
+struct nested_unpacked {
+	int x;
+};
+
+struct nested_packed {
+	struct nested_unpacked a;
+	char c;
+} __attribute__((packed));
+
+struct outer_mixed_but_unpacked {
+	struct nested_packed b1;
+	short a1;
+	struct nested_packed b2;
+};
+
+/* ------ END-EXPECTED-OUTPUT ------ */
+
+int f(struct {
+	struct padded_implicitly _1;
+	struct padded_explicitly _2;
+	struct padded_a_lot _3;
+	struct padded_cache_line _4;
+	struct zone _5;
+	struct padding_wo_named_members _6;
+	struct padding_weird_1 _7;
+	struct padding_weird_2 _8;
+	struct exact_1byte _100;
+	struct padded_1byte _101;
+	struct exact_2bytes _102;
+	struct padded_2bytes _103;
+	struct exact_4bytes _104;
+	struct padded_4bytes _105;
+	struct exact_8bytes _106;
+	struct padded_8bytes _107;
+	struct ff_periodic_effect _200;
+	struct ib_wc _201;
+	struct acpi_object_method _202;
+	struct outer_mixed_but_unpacked _203;
+} *_)
+{
+	return 0;
+}
diff --git a/tools/testing/selftests/bpf/progs/btf_dump_test_case_syntax.c b/tools/testing/selftests/bpf/progs/btf_dump_test_case_syntax.c
new file mode 100644
index 000000000..4ee474813
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/btf_dump_test_case_syntax.c
@@ -0,0 +1,244 @@
+// SPDX-License-Identifier: (LGPL-2.1 OR BSD-2-Clause)
+
+/*
+ * BTF-to-C dumper test for majority of C syntax quirks.
+ *
+ * Copyright (c) 2019 Facebook
+ */
+/* ----- START-EXPECTED-OUTPUT ----- */
+enum e1 {
+	A = 0,
+	B = 1,
+};
+
+enum e2 {
+	C = 100,
+	D = 4294967295,
+	E = 0,
+};
+
+typedef enum e2 e2_t;
+
+typedef enum {
+	F = 0,
+	G = 1,
+	H = 2,
+} e3_t;
+
+typedef int int_t;
+
+typedef volatile const int * volatile const crazy_ptr_t;
+
+typedef int *****we_need_to_go_deeper_ptr_t;
+
+typedef volatile const we_need_to_go_deeper_ptr_t * restrict * volatile * const * restrict volatile * restrict const * volatile const * restrict volatile const how_about_this_ptr_t;
+
+typedef int *ptr_arr_t[10];
+
+typedef void (*fn_ptr1_t)(int);
+
+typedef void (*printf_fn_t)(const char *, ...);
+
+/* ------ END-EXPECTED-OUTPUT ------ */
+/*
+ * While previous function pointers are pretty trivial (C-syntax-level
+ * trivial), the following are deciphered here for future generations:
+ *
+ * - `fn_ptr2_t`: function, taking anonymous struct as a first arg and pointer
+ *   to a function, that takes int and returns int, as a second arg; returning
+ *   a pointer to a const pointer to a char. Equivalent to:
+ *	typedef struct { int a; } s_t;
+ *	typedef int (*fn_t)(int);
+ *	typedef char * const * (*fn_ptr2_t)(s_t, fn_t);
+ *
+ * - `fn_complext_t`: pointer to a function returning struct and accepting
+ *   union and struct. All structs and enum are anonymous and defined inline.
+ *
+ * - `signal_t: pointer to a function accepting a pointer to a function as an
+ *   argument and returning pointer to a function as a result. Sane equivalent:
+ *	typedef void (*signal_handler_t)(int);
+ *	typedef signal_handler_t (*signal_ptr_t)(int, signal_handler_t);
+ *
+ * - fn_ptr_arr1_t: array of pointers to a function accepting pointer to
+ *   a pointer to an int and returning pointer to a char. Easy.
+ *
+ * - fn_ptr_arr2_t: array of const pointers to a function taking no arguments
+ *   and returning a const pointer to a function, that takes pointer to a
+ *   `int -> char *` function and returns pointer to a char. Equivalent:
+ *   typedef char * (*fn_input_t)(int);
+ *   typedef char * (*fn_output_outer_t)(fn_input_t);
+ *   typedef const fn_output_outer_t (* fn_output_inner_t)();
+ *   typedef const fn_output_inner_t fn_ptr_arr2_t[5];
+ */
+/* ----- START-EXPECTED-OUTPUT ----- */
+typedef char * const * (*fn_ptr2_t)(struct {
+	int a;
+}, int (*)(int));
+
+typedef struct {
+	int a;
+	void (*b)(int, struct {
+		int c;
+	}, union {
+		char d;
+		int e[5];
+	});
+} (*fn_complex_t)(union {
+	void *f;
+	char g[16];
+}, struct {
+	int h;
+});
+
+typedef void (* (*signal_t)(int, void (*)(int)))(int);
+
+typedef char * (*fn_ptr_arr1_t[10])(int **);
+
+typedef char * (* (* const fn_ptr_arr2_t[5])())(char * (*)(int));
+
+struct struct_w_typedefs {
+	int_t a;
+	crazy_ptr_t b;
+	we_need_to_go_deeper_ptr_t c;
+	how_about_this_ptr_t d;
+	ptr_arr_t e;
+	fn_ptr1_t f;
+	printf_fn_t g;
+	fn_ptr2_t h;
+	fn_complex_t i;
+	signal_t j;
+	fn_ptr_arr1_t k;
+	fn_ptr_arr2_t l;
+};
+
+typedef struct {
+	int x;
+	int y;
+	int z;
+} anon_struct_t;
+
+struct struct_fwd;
+
+typedef struct struct_fwd struct_fwd_t;
+
+typedef struct struct_fwd *struct_fwd_ptr_t;
+
+union union_fwd;
+
+typedef union union_fwd union_fwd_t;
+
+typedef union union_fwd *union_fwd_ptr_t;
+
+struct struct_empty {};
+
+struct struct_simple {
+	int a;
+	char b;
+	const int_t *p;
+	struct struct_empty s;
+	enum e2 e;
+	enum {
+		ANON_VAL1 = 1,
+		ANON_VAL2 = 2,
+	} f;
+	int arr1[13];
+	enum e2 arr2[5];
+};
+
+union union_empty {};
+
+union union_simple {
+	void *ptr;
+	int num;
+	int_t num2;
+	union union_empty u;
+};
+
+struct struct_in_struct {
+	struct struct_simple simple;
+	union union_simple also_simple;
+	struct {
+		int a;
+	} not_so_hard_as_well;
+	union {
+		int b;
+		int c;
+	} anon_union_is_good;
+	struct {
+		int d;
+		int e;
+	};
+	union {
+		int f;
+		int g;
+	};
+};
+
+struct struct_in_array {};
+
+struct struct_in_array_typed {};
+
+typedef struct struct_in_array_typed struct_in_array_t[2];
+
+struct struct_with_embedded_stuff {
+	int a;
+	struct {
+		int b;
+		struct {
+			struct struct_with_embedded_stuff *c;
+			const char *d;
+		} e;
+		union {
+			volatile long f;
+			void * restrict g;
+		};
+	};
+	union {
+		const int_t *h;
+		void (*i)(char, int, void *);
+	} j;
+	enum {
+		K = 100,
+		L = 200,
+	} m;
+	char n[16];
+	struct {
+		char o;
+		int p;
+		void (*q)(int);
+	} r[5];
+	struct struct_in_struct s[10];
+	int t[11];
+	struct struct_in_array (*u)[2];
+	struct_in_array_t *v;
+};
+
+struct float_struct {
+	float f;
+	const double *d;
+	volatile long double *ld;
+};
+
+struct root_struct {
+	enum e1 _1;
+	enum e2 _2;
+	e2_t _2_1;
+	e3_t _2_2;
+	struct struct_w_typedefs _3;
+	anon_struct_t _7;
+	struct struct_fwd *_8;
+	struct_fwd_t *_9;
+	struct_fwd_ptr_t _10;
+	union union_fwd *_11;
+	union_fwd_t *_12;
+	union_fwd_ptr_t _13;
+	struct struct_with_embedded_stuff _14;
+	struct float_struct _15;
+};
+
+/* ------ END-EXPECTED-OUTPUT ------ */
+
+int f(struct root_struct *s)
+{
+	return 0;
+}
diff --git a/tools/testing/selftests/bpf/progs/btf_ptr.h b/tools/testing/selftests/bpf/progs/btf_ptr.h
new file mode 100644
index 000000000..c3c9797c6
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/btf_ptr.h
@@ -0,0 +1,27 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* Copyright (c) 2020, Oracle and/or its affiliates. */
+/* "undefine" structs in vmlinux.h, because we "override" them below */
+#define btf_ptr btf_ptr___not_used
+#define BTF_F_COMPACT BTF_F_COMPACT___not_used
+#define BTF_F_NONAME BTF_F_NONAME___not_used
+#define BTF_F_PTR_RAW BTF_F_PTR_RAW___not_used
+#define BTF_F_ZERO BTF_F_ZERO___not_used
+#include "vmlinux.h"
+#undef btf_ptr
+#undef BTF_F_COMPACT
+#undef BTF_F_NONAME
+#undef BTF_F_PTR_RAW
+#undef BTF_F_ZERO
+
+struct btf_ptr {
+	void *ptr;
+	__u32 type_id;
+	__u32 flags;
+};
+
+enum {
+	BTF_F_COMPACT	=	(1ULL << 0),
+	BTF_F_NONAME	=	(1ULL << 1),
+	BTF_F_PTR_RAW	=	(1ULL << 2),
+	BTF_F_ZERO	=	(1ULL << 3),
+};
diff --git a/tools/testing/selftests/bpf/progs/btf_type_tag.c b/tools/testing/selftests/bpf/progs/btf_type_tag.c
new file mode 100644
index 000000000..1d488da7e
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/btf_type_tag.c
@@ -0,0 +1,25 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2021 Facebook */
+#include "vmlinux.h"
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_tracing.h>
+
+#if __has_attribute(btf_type_tag)
+#define __tag1 __attribute__((btf_type_tag("tag1")))
+#define __tag2 __attribute__((btf_type_tag("tag2")))
+volatile const bool skip_tests = false;
+#else
+#define __tag1
+#define __tag2
+volatile const bool skip_tests = true;
+#endif
+
+struct btf_type_tag_test {
+	int __tag1 * __tag1 __tag2 *p;
+} g;
+
+SEC("fentry/bpf_fentry_test1")
+int BPF_PROG(sub, int x)
+{
+  return 0;
+}
diff --git a/tools/testing/selftests/bpf/progs/btf_type_tag_percpu.c b/tools/testing/selftests/bpf/progs/btf_type_tag_percpu.c
new file mode 100644
index 000000000..8feddb828
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/btf_type_tag_percpu.c
@@ -0,0 +1,66 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2022 Google */
+#include "vmlinux.h"
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_tracing.h>
+
+struct bpf_testmod_btf_type_tag_1 {
+	int a;
+};
+
+struct bpf_testmod_btf_type_tag_2 {
+	struct bpf_testmod_btf_type_tag_1 *p;
+};
+
+__u64 g;
+
+SEC("fentry/bpf_testmod_test_btf_type_tag_percpu_1")
+int BPF_PROG(test_percpu1, struct bpf_testmod_btf_type_tag_1 *arg)
+{
+	g = arg->a;
+	return 0;
+}
+
+SEC("fentry/bpf_testmod_test_btf_type_tag_percpu_2")
+int BPF_PROG(test_percpu2, struct bpf_testmod_btf_type_tag_2 *arg)
+{
+	g = arg->p->a;
+	return 0;
+}
+
+/* trace_cgroup_mkdir(struct cgroup *cgrp, const char *path)
+ *
+ * struct cgroup_rstat_cpu {
+ *   ...
+ *   struct cgroup *updated_children;
+ *   ...
+ * };
+ *
+ * struct cgroup {
+ *   ...
+ *   struct cgroup_rstat_cpu __percpu *rstat_cpu;
+ *   ...
+ * };
+ */
+SEC("tp_btf/cgroup_mkdir")
+int BPF_PROG(test_percpu_load, struct cgroup *cgrp, const char *path)
+{
+	g = (__u64)cgrp->rstat_cpu->updated_children;
+	return 0;
+}
+
+SEC("tp_btf/cgroup_mkdir")
+int BPF_PROG(test_percpu_helper, struct cgroup *cgrp, const char *path)
+{
+	struct cgroup_rstat_cpu *rstat;
+	__u32 cpu;
+
+	cpu = bpf_get_smp_processor_id();
+	rstat = (struct cgroup_rstat_cpu *)bpf_per_cpu_ptr(cgrp->rstat_cpu, cpu);
+	if (rstat) {
+		/* READ_ONCE */
+		*(volatile int *)rstat;
+	}
+
+	return 0;
+}
diff --git a/tools/testing/selftests/bpf/progs/btf_type_tag_user.c b/tools/testing/selftests/bpf/progs/btf_type_tag_user.c
new file mode 100644
index 000000000..5523f77c5
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/btf_type_tag_user.c
@@ -0,0 +1,40 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2022 Facebook */
+#include "vmlinux.h"
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_tracing.h>
+
+struct bpf_testmod_btf_type_tag_1 {
+	int a;
+};
+
+struct bpf_testmod_btf_type_tag_2 {
+	struct bpf_testmod_btf_type_tag_1 *p;
+};
+
+int g;
+
+SEC("fentry/bpf_testmod_test_btf_type_tag_user_1")
+int BPF_PROG(test_user1, struct bpf_testmod_btf_type_tag_1 *arg)
+{
+	g = arg->a;
+	return 0;
+}
+
+SEC("fentry/bpf_testmod_test_btf_type_tag_user_2")
+int BPF_PROG(test_user2, struct bpf_testmod_btf_type_tag_2 *arg)
+{
+	g = arg->p->a;
+	return 0;
+}
+
+/* int __sys_getsockname(int fd, struct sockaddr __user *usockaddr,
+ *                       int __user *usockaddr_len);
+ */
+SEC("fentry/__sys_getsockname")
+int BPF_PROG(test_sys_getsockname, int fd, struct sockaddr *usockaddr,
+	     int *usockaddr_len)
+{
+	g = usockaddr->sa_family;
+	return 0;
+}
diff --git a/tools/testing/selftests/bpf/progs/cb_refs.c b/tools/testing/selftests/bpf/progs/cb_refs.c
new file mode 100644
index 000000000..7653df1bc
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/cb_refs.c
@@ -0,0 +1,116 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <vmlinux.h>
+#include <bpf/bpf_tracing.h>
+#include <bpf/bpf_helpers.h>
+
+struct map_value {
+	struct prog_test_ref_kfunc __kptr_ref *ptr;
+};
+
+struct {
+	__uint(type, BPF_MAP_TYPE_ARRAY);
+	__type(key, int);
+	__type(value, struct map_value);
+	__uint(max_entries, 16);
+} array_map SEC(".maps");
+
+extern struct prog_test_ref_kfunc *bpf_kfunc_call_test_acquire(unsigned long *sp) __ksym;
+extern void bpf_kfunc_call_test_release(struct prog_test_ref_kfunc *p) __ksym;
+
+static __noinline int cb1(void *map, void *key, void *value, void *ctx)
+{
+	void *p = *(void **)ctx;
+	bpf_kfunc_call_test_release(p);
+	/* Without the fix this would cause underflow */
+	return 0;
+}
+
+SEC("?tc")
+int underflow_prog(void *ctx)
+{
+	struct prog_test_ref_kfunc *p;
+	unsigned long sl = 0;
+
+	p = bpf_kfunc_call_test_acquire(&sl);
+	if (!p)
+		return 0;
+	bpf_for_each_map_elem(&array_map, cb1, &p, 0);
+	return 0;
+}
+
+static __always_inline int cb2(void *map, void *key, void *value, void *ctx)
+{
+	unsigned long sl = 0;
+
+	*(void **)ctx = bpf_kfunc_call_test_acquire(&sl);
+	/* Without the fix this would leak memory */
+	return 0;
+}
+
+SEC("?tc")
+int leak_prog(void *ctx)
+{
+	struct prog_test_ref_kfunc *p;
+	struct map_value *v;
+	unsigned long sl;
+
+	v = bpf_map_lookup_elem(&array_map, &(int){0});
+	if (!v)
+		return 0;
+
+	p = NULL;
+	bpf_for_each_map_elem(&array_map, cb2, &p, 0);
+	p = bpf_kptr_xchg(&v->ptr, p);
+	if (p)
+		bpf_kfunc_call_test_release(p);
+	return 0;
+}
+
+static __always_inline int cb(void *map, void *key, void *value, void *ctx)
+{
+	return 0;
+}
+
+static __always_inline int cb3(void *map, void *key, void *value, void *ctx)
+{
+	unsigned long sl = 0;
+	void *p;
+
+	bpf_kfunc_call_test_acquire(&sl);
+	bpf_for_each_map_elem(&array_map, cb, &p, 0);
+	/* It should only complain here, not in cb. This is why we need
+	 * callback_ref to be set to frameno.
+	 */
+	return 0;
+}
+
+SEC("?tc")
+int nested_cb(void *ctx)
+{
+	struct prog_test_ref_kfunc *p;
+	unsigned long sl = 0;
+	int sp = 0;
+
+	p = bpf_kfunc_call_test_acquire(&sl);
+	if (!p)
+		return 0;
+	bpf_for_each_map_elem(&array_map, cb3, &sp, 0);
+	bpf_kfunc_call_test_release(p);
+	return 0;
+}
+
+SEC("?tc")
+int non_cb_transfer_ref(void *ctx)
+{
+	struct prog_test_ref_kfunc *p;
+	unsigned long sl = 0;
+
+	p = bpf_kfunc_call_test_acquire(&sl);
+	if (!p)
+		return 0;
+	cb1(NULL, NULL, NULL, &p);
+	bpf_kfunc_call_test_acquire(&sl);
+	return 0;
+}
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/cg_storage_multi.h b/tools/testing/selftests/bpf/progs/cg_storage_multi.h
new file mode 100644
index 000000000..a0778fe78
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/cg_storage_multi.h
@@ -0,0 +1,13 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#ifndef __PROGS_CG_STORAGE_MULTI_H
+#define __PROGS_CG_STORAGE_MULTI_H
+
+#include <asm/types.h>
+
+struct cgroup_value {
+	__u32 egress_pkts;
+	__u32 ingress_pkts;
+};
+
+#endif
diff --git a/tools/testing/selftests/bpf/progs/cg_storage_multi_egress_only.c b/tools/testing/selftests/bpf/progs/cg_storage_multi_egress_only.c
new file mode 100644
index 000000000..44ad46b33
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/cg_storage_multi_egress_only.c
@@ -0,0 +1,33 @@
+// SPDX-License-Identifier: GPL-2.0-only
+
+/*
+ * Copyright 2020 Google LLC.
+ */
+
+#include <errno.h>
+#include <linux/bpf.h>
+#include <linux/ip.h>
+#include <linux/udp.h>
+#include <bpf/bpf_helpers.h>
+
+#include "progs/cg_storage_multi.h"
+
+struct {
+	__uint(type, BPF_MAP_TYPE_CGROUP_STORAGE);
+	__type(key, struct bpf_cgroup_storage_key);
+	__type(value, struct cgroup_value);
+} cgroup_storage SEC(".maps");
+
+__u32 invocations = 0;
+
+SEC("cgroup_skb/egress")
+int egress(struct __sk_buff *skb)
+{
+	struct cgroup_value *ptr_cg_storage =
+		bpf_get_local_storage(&cgroup_storage, 0);
+
+	__sync_fetch_and_add(&ptr_cg_storage->egress_pkts, 1);
+	__sync_fetch_and_add(&invocations, 1);
+
+	return 1;
+}
diff --git a/tools/testing/selftests/bpf/progs/cg_storage_multi_isolated.c b/tools/testing/selftests/bpf/progs/cg_storage_multi_isolated.c
new file mode 100644
index 000000000..3f81ff921
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/cg_storage_multi_isolated.c
@@ -0,0 +1,57 @@
+// SPDX-License-Identifier: GPL-2.0-only
+
+/*
+ * Copyright 2020 Google LLC.
+ */
+
+#include <errno.h>
+#include <linux/bpf.h>
+#include <linux/ip.h>
+#include <linux/udp.h>
+#include <bpf/bpf_helpers.h>
+
+#include "progs/cg_storage_multi.h"
+
+struct {
+	__uint(type, BPF_MAP_TYPE_CGROUP_STORAGE);
+	__type(key, struct bpf_cgroup_storage_key);
+	__type(value, struct cgroup_value);
+} cgroup_storage SEC(".maps");
+
+__u32 invocations = 0;
+
+SEC("cgroup_skb/egress")
+int egress1(struct __sk_buff *skb)
+{
+	struct cgroup_value *ptr_cg_storage =
+		bpf_get_local_storage(&cgroup_storage, 0);
+
+	__sync_fetch_and_add(&ptr_cg_storage->egress_pkts, 1);
+	__sync_fetch_and_add(&invocations, 1);
+
+	return 1;
+}
+
+SEC("cgroup_skb/egress")
+int egress2(struct __sk_buff *skb)
+{
+	struct cgroup_value *ptr_cg_storage =
+		bpf_get_local_storage(&cgroup_storage, 0);
+
+	__sync_fetch_and_add(&ptr_cg_storage->egress_pkts, 1);
+	__sync_fetch_and_add(&invocations, 1);
+
+	return 1;
+}
+
+SEC("cgroup_skb/ingress")
+int ingress(struct __sk_buff *skb)
+{
+	struct cgroup_value *ptr_cg_storage =
+		bpf_get_local_storage(&cgroup_storage, 0);
+
+	__sync_fetch_and_add(&ptr_cg_storage->ingress_pkts, 1);
+	__sync_fetch_and_add(&invocations, 1);
+
+	return 1;
+}
diff --git a/tools/testing/selftests/bpf/progs/cg_storage_multi_shared.c b/tools/testing/selftests/bpf/progs/cg_storage_multi_shared.c
new file mode 100644
index 000000000..d662db27f
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/cg_storage_multi_shared.c
@@ -0,0 +1,57 @@
+// SPDX-License-Identifier: GPL-2.0-only
+
+/*
+ * Copyright 2020 Google LLC.
+ */
+
+#include <errno.h>
+#include <linux/bpf.h>
+#include <linux/ip.h>
+#include <linux/udp.h>
+#include <bpf/bpf_helpers.h>
+
+#include "progs/cg_storage_multi.h"
+
+struct {
+	__uint(type, BPF_MAP_TYPE_CGROUP_STORAGE);
+	__type(key, __u64);
+	__type(value, struct cgroup_value);
+} cgroup_storage SEC(".maps");
+
+__u32 invocations = 0;
+
+SEC("cgroup_skb/egress")
+int egress1(struct __sk_buff *skb)
+{
+	struct cgroup_value *ptr_cg_storage =
+		bpf_get_local_storage(&cgroup_storage, 0);
+
+	__sync_fetch_and_add(&ptr_cg_storage->egress_pkts, 1);
+	__sync_fetch_and_add(&invocations, 1);
+
+	return 1;
+}
+
+SEC("cgroup_skb/egress")
+int egress2(struct __sk_buff *skb)
+{
+	struct cgroup_value *ptr_cg_storage =
+		bpf_get_local_storage(&cgroup_storage, 0);
+
+	__sync_fetch_and_add(&ptr_cg_storage->egress_pkts, 1);
+	__sync_fetch_and_add(&invocations, 1);
+
+	return 1;
+}
+
+SEC("cgroup_skb/ingress")
+int ingress(struct __sk_buff *skb)
+{
+	struct cgroup_value *ptr_cg_storage =
+		bpf_get_local_storage(&cgroup_storage, 0);
+
+	__sync_fetch_and_add(&ptr_cg_storage->ingress_pkts, 1);
+	__sync_fetch_and_add(&invocations, 1);
+
+	return 1;
+}
diff --git a/tools/testing/selftests/bpf/progs/cgroup_getset_retval_getsockopt.c b/tools/testing/selftests/bpf/progs/cgroup_getset_retval_getsockopt.c
new file mode 100644
index 000000000..b2a409e63
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/cgroup_getset_retval_getsockopt.c
@@ -0,0 +1,45 @@
+// SPDX-License-Identifier: GPL-2.0-only
+
+/*
+ * Copyright 2021 Google LLC.
+ */
+
+#include <errno.h>
+#include <linux/bpf.h>
+#include <bpf/bpf_helpers.h>
+
+__u32 invocations = 0;
+__u32 assertion_error = 0;
+__u32 retval_value = 0;
+__u32 ctx_retval_value = 0;
+
+SEC("cgroup/getsockopt")
+int get_retval(struct bpf_sockopt *ctx)
+{
+	retval_value = bpf_get_retval();
+	ctx_retval_value = ctx->retval;
+	__sync_fetch_and_add(&invocations, 1);
+
+	return 1;
+}
+
+SEC("cgroup/getsockopt")
+int set_eisconn(struct bpf_sockopt *ctx)
+{
+	__sync_fetch_and_add(&invocations, 1);
+
+	if (bpf_set_retval(-EISCONN))
+		assertion_error = 1;
+
+	return 1;
+}
+
+SEC("cgroup/getsockopt")
+int clear_retval(struct bpf_sockopt *ctx)
+{
+	__sync_fetch_and_add(&invocations, 1);
+
+	ctx->retval = 0;
+
+	return 1;
+}
diff --git a/tools/testing/selftests/bpf/progs/cgroup_getset_retval_hooks.c b/tools/testing/selftests/bpf/progs/cgroup_getset_retval_hooks.c
new file mode 100644
index 000000000..13dfb4bbf
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/cgroup_getset_retval_hooks.c
@@ -0,0 +1,16 @@
+// SPDX-License-Identifier: GPL-2.0-only
+
+#include <linux/bpf.h>
+#include <bpf/bpf_helpers.h>
+
+#define BPF_RETVAL_HOOK(name, section, ctx, expected_err) \
+	__attribute__((__section__("?" section))) \
+	int name(struct ctx *_ctx) \
+	{ \
+		bpf_set_retval(bpf_get_retval()); \
+		return 1; \
+	}
+
+#include "cgroup_getset_retval_hooks.h"
+
+#undef BPF_RETVAL_HOOK
diff --git a/tools/testing/selftests/bpf/progs/cgroup_getset_retval_setsockopt.c b/tools/testing/selftests/bpf/progs/cgroup_getset_retval_setsockopt.c
new file mode 100644
index 000000000..d6e5903e0
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/cgroup_getset_retval_setsockopt.c
@@ -0,0 +1,52 @@
+// SPDX-License-Identifier: GPL-2.0-only
+
+/*
+ * Copyright 2021 Google LLC.
+ */
+
+#include <errno.h>
+#include <linux/bpf.h>
+#include <bpf/bpf_helpers.h>
+
+__u32 invocations = 0;
+__u32 assertion_error = 0;
+__u32 retval_value = 0;
+
+SEC("cgroup/setsockopt")
+int get_retval(struct bpf_sockopt *ctx)
+{
+	retval_value = bpf_get_retval();
+	__sync_fetch_and_add(&invocations, 1);
+
+	return 1;
+}
+
+SEC("cgroup/setsockopt")
+int set_eunatch(struct bpf_sockopt *ctx)
+{
+	__sync_fetch_and_add(&invocations, 1);
+
+	if (bpf_set_retval(-EUNATCH))
+		assertion_error = 1;
+
+	return 0;
+}
+
+SEC("cgroup/setsockopt")
+int set_eisconn(struct bpf_sockopt *ctx)
+{
+	__sync_fetch_and_add(&invocations, 1);
+
+	if (bpf_set_retval(-EISCONN))
+		assertion_error = 1;
+
+	return 0;
+}
+
+SEC("cgroup/setsockopt")
+int legacy_eperm(struct bpf_sockopt *ctx)
+{
+	__sync_fetch_and_add(&invocations, 1);
+
+	return 0;
+}
diff --git a/tools/testing/selftests/bpf/progs/cgroup_hierarchical_stats.c b/tools/testing/selftests/bpf/progs/cgroup_hierarchical_stats.c
new file mode 100644
index 000000000..c74362854
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/cgroup_hierarchical_stats.c
@@ -0,0 +1,155 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright 2022 Google LLC.
+ */
+#include "vmlinux.h"
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_tracing.h>
+#include <bpf/bpf_core_read.h>
+
+char _license[] SEC("license") = "GPL";
+
+struct percpu_attach_counter {
+	/* Previous percpu state, to figure out if we have new updates */
+	__u64 prev;
+	/* Current percpu state */
+	__u64 state;
+};
+
+struct attach_counter {
+	/* State propagated through children, pending aggregation */
+	__u64 pending;
+	/* Total state, including all cpus and all children */
+	__u64 state;
+};
+
+struct {
+	__uint(type, BPF_MAP_TYPE_PERCPU_HASH);
+	__uint(max_entries, 1024);
+	__type(key, __u64);
+	__type(value, struct percpu_attach_counter);
+} percpu_attach_counters SEC(".maps");
+
+struct {
+	__uint(type, BPF_MAP_TYPE_HASH);
+	__uint(max_entries, 1024);
+	__type(key, __u64);
+	__type(value, struct attach_counter);
+} attach_counters SEC(".maps");
+
+extern void cgroup_rstat_updated(struct cgroup *cgrp, int cpu) __ksym;
+extern void cgroup_rstat_flush(struct cgroup *cgrp) __ksym;
+
+static uint64_t cgroup_id(struct cgroup *cgrp)
+{
+	return cgrp->kn->id;
+}
+
+static int create_percpu_attach_counter(__u64 cg_id, __u64 state)
+{
+	struct percpu_attach_counter pcpu_init = {.state = state, .prev = 0};
+
+	return bpf_map_update_elem(&percpu_attach_counters, &cg_id,
+				   &pcpu_init, BPF_NOEXIST);
+}
+
+static int create_attach_counter(__u64 cg_id, __u64 state, __u64 pending)
+{
+	struct attach_counter init = {.state = state, .pending = pending};
+
+	return bpf_map_update_elem(&attach_counters, &cg_id,
+				   &init, BPF_NOEXIST);
+}
+
+SEC("fentry/cgroup_attach_task")
+int BPF_PROG(counter, struct cgroup *dst_cgrp, struct task_struct *leader,
+	     bool threadgroup)
+{
+	__u64 cg_id = cgroup_id(dst_cgrp);
+	struct percpu_attach_counter *pcpu_counter = bpf_map_lookup_elem(
+			&percpu_attach_counters,
+			&cg_id);
+
+	if (pcpu_counter)
+		pcpu_counter->state += 1;
+	else if (create_percpu_attach_counter(cg_id, 1))
+		return 0;
+
+	cgroup_rstat_updated(dst_cgrp, bpf_get_smp_processor_id());
+	return 0;
+}
+
+SEC("fentry/bpf_rstat_flush")
+int BPF_PROG(flusher, struct cgroup *cgrp, struct cgroup *parent, int cpu)
+{
+	struct percpu_attach_counter *pcpu_counter;
+	struct attach_counter *total_counter, *parent_counter;
+	__u64 cg_id = cgroup_id(cgrp);
+	__u64 parent_cg_id = parent ? cgroup_id(parent) : 0;
+	__u64 state;
+	__u64 delta = 0;
+
+	/* Add CPU changes on this level since the last flush */
+	pcpu_counter = bpf_map_lookup_percpu_elem(&percpu_attach_counters,
+						  &cg_id, cpu);
+	if (pcpu_counter) {
+		state = pcpu_counter->state;
+		delta += state - pcpu_counter->prev;
+		pcpu_counter->prev = state;
+	}
+
+	total_counter = bpf_map_lookup_elem(&attach_counters, &cg_id);
+	if (!total_counter) {
+		if (create_attach_counter(cg_id, delta, 0))
+			return 0;
+		goto update_parent;
+	}
+
+	/* Collect pending stats from subtree */
+	if (total_counter->pending) {
+		delta += total_counter->pending;
+		total_counter->pending = 0;
+	}
+
+	/* Propagate changes to this cgroup's total */
+	total_counter->state += delta;
+
+update_parent:
+	/* Skip if there are no changes to propagate, or no parent */
+	if (!delta || !parent_cg_id)
+		return 0;
+
+	/* Propagate changes to cgroup's parent */
+	parent_counter = bpf_map_lookup_elem(&attach_counters,
+					     &parent_cg_id);
+	if (parent_counter)
+		parent_counter->pending += delta;
+	else
+		create_attach_counter(parent_cg_id, 0, delta);
+	return 0;
+}
+
+SEC("iter.s/cgroup")
+int BPF_PROG(dumper, struct bpf_iter_meta *meta, struct cgroup *cgrp)
+{
+	struct seq_file *seq = meta->seq;
+	struct attach_counter *total_counter;
+	__u64 cg_id = cgrp ? cgroup_id(cgrp) : 0;
+
+	/* Do nothing for the terminal call */
+	if (!cg_id)
+		return 1;
+
+	/* Flush the stats to make sure we get the most updated numbers */
+	cgroup_rstat_flush(cgrp);
+
+	total_counter = bpf_map_lookup_elem(&attach_counters, &cg_id);
+	if (!total_counter) {
+		BPF_SEQ_PRINTF(seq, "cg_id: %llu, attach_counter: 0\n",
+			       cg_id);
+	} else {
+		BPF_SEQ_PRINTF(seq, "cg_id: %llu, attach_counter: %llu\n",
+			       cg_id, total_counter->state);
+	}
+	return 0;
+}
diff --git a/tools/testing/selftests/bpf/progs/cgroup_iter.c b/tools/testing/selftests/bpf/progs/cgroup_iter.c
new file mode 100644
index 000000000..de0399732
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/cgroup_iter.c
@@ -0,0 +1,39 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2022 Google */
+
+#include "bpf_iter.h"
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_tracing.h>
+
+char _license[] SEC("license") = "GPL";
+int terminate_early = 0;
+u64 terminal_cgroup = 0;
+
+static inline u64 cgroup_id(struct cgroup *cgrp)
+{
+	return cgrp->kn->id;
+}
+
+SEC("iter/cgroup")
+int cgroup_id_printer(struct bpf_iter__cgroup *ctx)
+{
+	struct seq_file *seq = ctx->meta->seq;
+	struct cgroup *cgrp = ctx->cgroup;
+
+	/* epilogue */
+	if (cgrp == NULL) {
+		BPF_SEQ_PRINTF(seq, "epilogue\n");
+		return 0;
+	}
+
+	/* prologue */
+	if (ctx->meta->seq_num == 0)
+		BPF_SEQ_PRINTF(seq, "prologue\n");
+
+	BPF_SEQ_PRINTF(seq, "%8llu\n", cgroup_id(cgrp));
+
+	if (terminal_cgroup == cgroup_id(cgrp))
+		return 1;
+
+	return terminate_early ? 1 : 0;
+}
diff --git a/tools/testing/selftests/bpf/progs/cgroup_skb_sk_lookup_kern.c b/tools/testing/selftests/bpf/progs/cgroup_skb_sk_lookup_kern.c
new file mode 100644
index 000000000..88638315c
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/cgroup_skb_sk_lookup_kern.c
@@ -0,0 +1,96 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (c) 2020 Facebook
+
+#include <linux/bpf.h>
+#include <bpf/bpf_endian.h>
+#include <bpf/bpf_helpers.h>
+
+#include <linux/if_ether.h>
+#include <linux/in.h>
+#include <linux/in6.h>
+#include <linux/ipv6.h>
+#include <linux/tcp.h>
+
+#include <sys/types.h>
+#include <sys/socket.h>
+
+char _license[] SEC("license") = "GPL";
+
+__u16 g_serv_port = 0;
+
+static inline void set_ip(__u32 *dst, const struct in6_addr *src)
+{
+	dst[0] = src->in6_u.u6_addr32[0];
+	dst[1] = src->in6_u.u6_addr32[1];
+	dst[2] = src->in6_u.u6_addr32[2];
+	dst[3] = src->in6_u.u6_addr32[3];
+}
+
+static inline void set_tuple(struct bpf_sock_tuple *tuple,
+			     const struct ipv6hdr *ip6h,
+			     const struct tcphdr *tcph)
+{
+	set_ip(tuple->ipv6.saddr, &ip6h->daddr);
+	set_ip(tuple->ipv6.daddr, &ip6h->saddr);
+	tuple->ipv6.sport = tcph->dest;
+	tuple->ipv6.dport = tcph->source;
+}
+
+static inline int is_allowed_peer_cg(struct __sk_buff *skb,
+				     const struct ipv6hdr *ip6h,
+				     const struct tcphdr *tcph)
+{
+	__u64 cgid, acgid, peer_cgid, peer_acgid;
+	struct bpf_sock_tuple tuple;
+	size_t tuple_len = sizeof(tuple.ipv6);
+	struct bpf_sock *peer_sk;
+
+	set_tuple(&tuple, ip6h, tcph);
+
+	peer_sk = bpf_sk_lookup_tcp(skb, &tuple, tuple_len,
+				    BPF_F_CURRENT_NETNS, 0);
+	if (!peer_sk)
+		return 0;
+
+	cgid = bpf_skb_cgroup_id(skb);
+	peer_cgid = bpf_sk_cgroup_id(peer_sk);
+
+	acgid = bpf_skb_ancestor_cgroup_id(skb, 2);
+	peer_acgid = bpf_sk_ancestor_cgroup_id(peer_sk, 2);
+
+	bpf_sk_release(peer_sk);
+
+	return cgid && cgid == peer_cgid && acgid && acgid == peer_acgid;
+}
+
+SEC("cgroup_skb/ingress")
+int ingress_lookup(struct __sk_buff *skb)
+{
+	__u32 serv_port_key = 0;
+	struct ipv6hdr ip6h;
+	struct tcphdr tcph;
+
+	if (skb->protocol != bpf_htons(ETH_P_IPV6))
+		return 1;
+
+	/* For SYN packets coming to listening socket skb->remote_port will be
+	 * zero, so IPv6/TCP headers are loaded to identify remote peer
+	 * instead.
+	 */
+	if (bpf_skb_load_bytes(skb, 0, &ip6h, sizeof(ip6h)))
+		return 1;
+
+	if (ip6h.nexthdr != IPPROTO_TCP)
+		return 1;
+
+	if (bpf_skb_load_bytes(skb, sizeof(ip6h), &tcph, sizeof(tcph)))
+		return 1;
+
+	if (!g_serv_port)
+		return 0;
+
+	if (tcph.dest != g_serv_port)
+		return 1;
+
+	return is_allowed_peer_cg(skb, &ip6h, &tcph);
+}
diff --git a/tools/testing/selftests/bpf/progs/connect4_dropper.c b/tools/testing/selftests/bpf/progs/connect4_dropper.c
new file mode 100644
index 000000000..d3f4c5e4f
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/connect4_dropper.c
@@ -0,0 +1,26 @@
+// SPDX-License-Identifier: GPL-2.0
+
+#include <string.h>
+
+#include <linux/stddef.h>
+#include <linux/bpf.h>
+
+#include <sys/socket.h>
+
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_endian.h>
+
+#define VERDICT_REJECT	0
+#define VERDICT_PROCEED	1
+
+SEC("cgroup/connect4")
+int connect_v4_dropper(struct bpf_sock_addr *ctx)
+{
+	if (ctx->type != SOCK_STREAM)
+		return VERDICT_PROCEED;
+	if (ctx->user_port == bpf_htons(60120))
+		return VERDICT_REJECT;
+	return VERDICT_PROCEED;
+}
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/connect4_prog.c b/tools/testing/selftests/bpf/progs/connect4_prog.c
new file mode 100644
index 000000000..7ef49ec04
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/connect4_prog.c
@@ -0,0 +1,200 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (c) 2018 Facebook
+
+#include <string.h>
+
+#include <linux/stddef.h>
+#include <linux/bpf.h>
+#include <linux/in.h>
+#include <linux/in6.h>
+#include <linux/tcp.h>
+#include <linux/if.h>
+#include <errno.h>
+
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_endian.h>
+
+#include "bpf_tcp_helpers.h"
+
+#define SRC_REWRITE_IP4		0x7f000004U
+#define DST_REWRITE_IP4		0x7f000001U
+#define DST_REWRITE_PORT4	4444
+
+#ifndef TCP_CA_NAME_MAX
+#define TCP_CA_NAME_MAX 16
+#endif
+
+#ifndef TCP_NOTSENT_LOWAT
+#define TCP_NOTSENT_LOWAT 25
+#endif
+
+#ifndef IFNAMSIZ
+#define IFNAMSIZ 16
+#endif
+
+__attribute__ ((noinline)) __weak
+int do_bind(struct bpf_sock_addr *ctx)
+{
+	struct sockaddr_in sa = {};
+
+	sa.sin_family = AF_INET;
+	sa.sin_port = bpf_htons(0);
+	sa.sin_addr.s_addr = bpf_htonl(SRC_REWRITE_IP4);
+
+	if (bpf_bind(ctx, (struct sockaddr *)&sa, sizeof(sa)) != 0)
+		return 0;
+
+	return 1;
+}
+
+static __inline int verify_cc(struct bpf_sock_addr *ctx,
+			      char expected[TCP_CA_NAME_MAX])
+{
+	char buf[TCP_CA_NAME_MAX];
+	int i;
+
+	if (bpf_getsockopt(ctx, SOL_TCP, TCP_CONGESTION, &buf, sizeof(buf)))
+		return 1;
+
+	for (i = 0; i < TCP_CA_NAME_MAX; i++) {
+		if (buf[i] != expected[i])
+			return 1;
+		if (buf[i] == 0)
+			break;
+	}
+
+	return 0;
+}
+
+static __inline int set_cc(struct bpf_sock_addr *ctx)
+{
+	char reno[TCP_CA_NAME_MAX] = "reno";
+	char cubic[TCP_CA_NAME_MAX] = "cubic";
+
+	if (bpf_setsockopt(ctx, SOL_TCP, TCP_CONGESTION, &reno, sizeof(reno)))
+		return 1;
+	if (verify_cc(ctx, reno))
+		return 1;
+
+	if (bpf_setsockopt(ctx, SOL_TCP, TCP_CONGESTION, &cubic, sizeof(cubic)))
+		return 1;
+	if (verify_cc(ctx, cubic))
+		return 1;
+
+	return 0;
+}
+
+static __inline int bind_to_device(struct bpf_sock_addr *ctx)
+{
+	char veth1[IFNAMSIZ] = "test_sock_addr1";
+	char veth2[IFNAMSIZ] = "test_sock_addr2";
+	char missing[IFNAMSIZ] = "nonexistent_dev";
+	char del_bind[IFNAMSIZ] = "";
+
+	if (bpf_setsockopt(ctx, SOL_SOCKET, SO_BINDTODEVICE,
+				&veth1, sizeof(veth1)))
+		return 1;
+	if (bpf_setsockopt(ctx, SOL_SOCKET, SO_BINDTODEVICE,
+				&veth2, sizeof(veth2)))
+		return 1;
+	if (bpf_setsockopt(ctx, SOL_SOCKET, SO_BINDTODEVICE,
+				&missing, sizeof(missing)) != -ENODEV)
+		return 1;
+	if (bpf_setsockopt(ctx, SOL_SOCKET, SO_BINDTODEVICE,
+				&del_bind, sizeof(del_bind)))
+		return 1;
+
+	return 0;
+}
+
+static __inline int set_keepalive(struct bpf_sock_addr *ctx)
+{
+	int zero = 0, one = 1;
+
+	if (bpf_setsockopt(ctx, SOL_SOCKET, SO_KEEPALIVE, &one, sizeof(one)))
+		return 1;
+	if (ctx->type == SOCK_STREAM) {
+		if (bpf_setsockopt(ctx, SOL_TCP, TCP_KEEPIDLE, &one, sizeof(one)))
+			return 1;
+		if (bpf_setsockopt(ctx, SOL_TCP, TCP_KEEPINTVL, &one, sizeof(one)))
+			return 1;
+		if (bpf_setsockopt(ctx, SOL_TCP, TCP_KEEPCNT, &one, sizeof(one)))
+			return 1;
+		if (bpf_setsockopt(ctx, SOL_TCP, TCP_SYNCNT, &one, sizeof(one)))
+			return 1;
+		if (bpf_setsockopt(ctx, SOL_TCP, TCP_USER_TIMEOUT, &one, sizeof(one)))
+			return 1;
+	}
+	if (bpf_setsockopt(ctx, SOL_SOCKET, SO_KEEPALIVE, &zero, sizeof(zero)))
+		return 1;
+
+	return 0;
+}
+
+static __inline int set_notsent_lowat(struct bpf_sock_addr *ctx)
+{
+	int lowat = 65535;
+
+	if (ctx->type == SOCK_STREAM) {
+		if (bpf_setsockopt(ctx, SOL_TCP, TCP_NOTSENT_LOWAT, &lowat, sizeof(lowat)))
+			return 1;
+	}
+
+	return 0;
+}
+
+SEC("cgroup/connect4")
+int connect_v4_prog(struct bpf_sock_addr *ctx)
+{
+	struct bpf_sock_tuple tuple = {};
+	struct bpf_sock *sk;
+
+	/* Verify that new destination is available. */
+	memset(&tuple.ipv4.saddr, 0, sizeof(tuple.ipv4.saddr));
+	memset(&tuple.ipv4.sport, 0, sizeof(tuple.ipv4.sport));
+
+	tuple.ipv4.daddr = bpf_htonl(DST_REWRITE_IP4);
+	tuple.ipv4.dport = bpf_htons(DST_REWRITE_PORT4);
+
+	/* Bind to device and unbind it. */
+	if (bind_to_device(ctx))
+		return 0;
+
+	if (set_keepalive(ctx))
+		return 0;
+
+	if (set_notsent_lowat(ctx))
+		return 0;
+
+	if (ctx->type != SOCK_STREAM && ctx->type != SOCK_DGRAM)
+		return 0;
+	else if (ctx->type == SOCK_STREAM)
+		sk = bpf_sk_lookup_tcp(ctx, &tuple, sizeof(tuple.ipv4),
+				       BPF_F_CURRENT_NETNS, 0);
+	else
+		sk = bpf_sk_lookup_udp(ctx, &tuple, sizeof(tuple.ipv4),
+				       BPF_F_CURRENT_NETNS, 0);
+
+	if (!sk)
+		return 0;
+
+	if (sk->src_ip4 != tuple.ipv4.daddr ||
+	    sk->src_port != DST_REWRITE_PORT4) {
+		bpf_sk_release(sk);
+		return 0;
+	}
+
+	bpf_sk_release(sk);
+
+	/* Rewrite congestion control. */
+	if (ctx->type == SOCK_STREAM && set_cc(ctx))
+		return 0;
+
+	/* Rewrite destination. */
+	ctx->user_ip4 = bpf_htonl(DST_REWRITE_IP4);
+	ctx->user_port = bpf_htons(DST_REWRITE_PORT4);
+
+	return do_bind(ctx) ? 1 : 0;
+}
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/connect6_prog.c b/tools/testing/selftests/bpf/progs/connect6_prog.c
new file mode 100644
index 000000000..40266d2c7
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/connect6_prog.c
@@ -0,0 +1,93 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (c) 2018 Facebook
+
+#include <string.h>
+
+#include <linux/stddef.h>
+#include <linux/bpf.h>
+#include <linux/in.h>
+#include <linux/in6.h>
+#include <sys/socket.h>
+
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_endian.h>
+
+#define SRC_REWRITE_IP6_0	0
+#define SRC_REWRITE_IP6_1	0
+#define SRC_REWRITE_IP6_2	0
+#define SRC_REWRITE_IP6_3	6
+
+#define DST_REWRITE_IP6_0	0
+#define DST_REWRITE_IP6_1	0
+#define DST_REWRITE_IP6_2	0
+#define DST_REWRITE_IP6_3	1
+
+#define DST_REWRITE_PORT6	6666
+
+SEC("cgroup/connect6")
+int connect_v6_prog(struct bpf_sock_addr *ctx)
+{
+	struct bpf_sock_tuple tuple = {};
+	struct sockaddr_in6 sa;
+	struct bpf_sock *sk;
+
+	/* Verify that new destination is available. */
+	memset(&tuple.ipv6.saddr, 0, sizeof(tuple.ipv6.saddr));
+	memset(&tuple.ipv6.sport, 0, sizeof(tuple.ipv6.sport));
+
+	tuple.ipv6.daddr[0] = bpf_htonl(DST_REWRITE_IP6_0);
+	tuple.ipv6.daddr[1] = bpf_htonl(DST_REWRITE_IP6_1);
+	tuple.ipv6.daddr[2] = bpf_htonl(DST_REWRITE_IP6_2);
+	tuple.ipv6.daddr[3] = bpf_htonl(DST_REWRITE_IP6_3);
+
+	tuple.ipv6.dport = bpf_htons(DST_REWRITE_PORT6);
+
+	if (ctx->type != SOCK_STREAM && ctx->type != SOCK_DGRAM)
+		return 0;
+	else if (ctx->type == SOCK_STREAM)
+		sk = bpf_sk_lookup_tcp(ctx, &tuple, sizeof(tuple.ipv6),
+				       BPF_F_CURRENT_NETNS, 0);
+	else
+		sk = bpf_sk_lookup_udp(ctx, &tuple, sizeof(tuple.ipv6),
+				       BPF_F_CURRENT_NETNS, 0);
+
+	if (!sk)
+		return 0;
+
+	if (sk->src_ip6[0] != tuple.ipv6.daddr[0] ||
+	    sk->src_ip6[1] != tuple.ipv6.daddr[1] ||
+	    sk->src_ip6[2] != tuple.ipv6.daddr[2] ||
+	    sk->src_ip6[3] != tuple.ipv6.daddr[3] ||
+	    sk->src_port != DST_REWRITE_PORT6) {
+		bpf_sk_release(sk);
+		return 0;
+	}
+
+	bpf_sk_release(sk);
+
+	/* Rewrite destination. */
+	ctx->user_ip6[0] = bpf_htonl(DST_REWRITE_IP6_0);
+	ctx->user_ip6[1] = bpf_htonl(DST_REWRITE_IP6_1);
+	ctx->user_ip6[2] = bpf_htonl(DST_REWRITE_IP6_2);
+	ctx->user_ip6[3] = bpf_htonl(DST_REWRITE_IP6_3);
+
+	ctx->user_port = bpf_htons(DST_REWRITE_PORT6);
+
+	/* Rewrite source. */
+	memset(&sa, 0, sizeof(sa));
+
+	sa.sin6_family = AF_INET6;
+	sa.sin6_port = bpf_htons(0);
+
+	sa.sin6_addr.s6_addr32[0] = bpf_htonl(SRC_REWRITE_IP6_0);
+	sa.sin6_addr.s6_addr32[1] = bpf_htonl(SRC_REWRITE_IP6_1);
+	sa.sin6_addr.s6_addr32[2] = bpf_htonl(SRC_REWRITE_IP6_2);
+	sa.sin6_addr.s6_addr32[3] = bpf_htonl(SRC_REWRITE_IP6_3);
+
+	if (bpf_bind(ctx, (struct sockaddr *)&sa, sizeof(sa)) != 0)
+		return 0;
+
+	return 1;
+}
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/connect_force_port4.c b/tools/testing/selftests/bpf/progs/connect_force_port4.c
new file mode 100644
index 000000000..27a632dd3
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/connect_force_port4.c
@@ -0,0 +1,90 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <string.h>
+#include <stdbool.h>
+
+#include <linux/bpf.h>
+#include <linux/in.h>
+#include <linux/in6.h>
+#include <sys/socket.h>
+
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_endian.h>
+
+#include <bpf_sockopt_helpers.h>
+
+char _license[] SEC("license") = "GPL";
+
+struct svc_addr {
+	__be32 addr;
+	__be16 port;
+};
+
+struct {
+	__uint(type, BPF_MAP_TYPE_SK_STORAGE);
+	__uint(map_flags, BPF_F_NO_PREALLOC);
+	__type(key, int);
+	__type(value, struct svc_addr);
+} service_mapping SEC(".maps");
+
+SEC("cgroup/connect4")
+int connect4(struct bpf_sock_addr *ctx)
+{
+	struct sockaddr_in sa = {};
+	struct svc_addr *orig;
+
+	/* Force local address to 127.0.0.1:22222. */
+	sa.sin_family = AF_INET;
+	sa.sin_port = bpf_htons(22222);
+	sa.sin_addr.s_addr = bpf_htonl(0x7f000001);
+
+	if (bpf_bind(ctx, (struct sockaddr *)&sa, sizeof(sa)) != 0)
+		return 0;
+
+	/* Rewire service 1.2.3.4:60000 to backend 127.0.0.1:60123. */
+	if (ctx->user_port == bpf_htons(60000)) {
+		orig = bpf_sk_storage_get(&service_mapping, ctx->sk, 0,
+					  BPF_SK_STORAGE_GET_F_CREATE);
+		if (!orig)
+			return 0;
+
+		orig->addr = ctx->user_ip4;
+		orig->port = ctx->user_port;
+
+		ctx->user_ip4 = bpf_htonl(0x7f000001);
+		ctx->user_port = bpf_htons(60123);
+	}
+	return 1;
+}
+
+SEC("cgroup/getsockname4")
+int getsockname4(struct bpf_sock_addr *ctx)
+{
+	if (!get_set_sk_priority(ctx))
+		return 1;
+
+	/* Expose local server as 1.2.3.4:60000 to client. */
+	if (ctx->user_port == bpf_htons(60123)) {
+		ctx->user_ip4 = bpf_htonl(0x01020304);
+		ctx->user_port = bpf_htons(60000);
+	}
+	return 1;
+}
+
+SEC("cgroup/getpeername4")
+int getpeername4(struct bpf_sock_addr *ctx)
+{
+	struct svc_addr *orig;
+
+	if (!get_set_sk_priority(ctx))
+		return 1;
+
+	/* Expose service 1.2.3.4:60000 as peer instead of backend. */
+	if (ctx->user_port == bpf_htons(60123)) {
+		orig = bpf_sk_storage_get(&service_mapping, ctx->sk, 0, 0);
+		if (orig) {
+			ctx->user_ip4 = orig->addr;
+			ctx->user_port = orig->port;
+		}
+	}
+	return 1;
+}
diff --git a/tools/testing/selftests/bpf/progs/connect_force_port6.c b/tools/testing/selftests/bpf/progs/connect_force_port6.c
new file mode 100644
index 000000000..19cad93e6
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/connect_force_port6.c
@@ -0,0 +1,101 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <string.h>
+
+#include <linux/bpf.h>
+#include <linux/in.h>
+#include <linux/in6.h>
+#include <sys/socket.h>
+
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_endian.h>
+
+#include <bpf_sockopt_helpers.h>
+
+char _license[] SEC("license") = "GPL";
+
+struct svc_addr {
+	__be32 addr[4];
+	__be16 port;
+};
+
+struct {
+	__uint(type, BPF_MAP_TYPE_SK_STORAGE);
+	__uint(map_flags, BPF_F_NO_PREALLOC);
+	__type(key, int);
+	__type(value, struct svc_addr);
+} service_mapping SEC(".maps");
+
+SEC("cgroup/connect6")
+int connect6(struct bpf_sock_addr *ctx)
+{
+	struct sockaddr_in6 sa = {};
+	struct svc_addr *orig;
+
+	/* Force local address to [::1]:22223. */
+	sa.sin6_family = AF_INET6;
+	sa.sin6_port = bpf_htons(22223);
+	sa.sin6_addr.s6_addr32[3] = bpf_htonl(1);
+
+	if (bpf_bind(ctx, (struct sockaddr *)&sa, sizeof(sa)) != 0)
+		return 0;
+
+	/* Rewire service [fc00::1]:60000 to backend [::1]:60124. */
+	if (ctx->user_port == bpf_htons(60000)) {
+		orig = bpf_sk_storage_get(&service_mapping, ctx->sk, 0,
+					  BPF_SK_STORAGE_GET_F_CREATE);
+		if (!orig)
+			return 0;
+
+		orig->addr[0] = ctx->user_ip6[0];
+		orig->addr[1] = ctx->user_ip6[1];
+		orig->addr[2] = ctx->user_ip6[2];
+		orig->addr[3] = ctx->user_ip6[3];
+		orig->port = ctx->user_port;
+
+		ctx->user_ip6[0] = 0;
+		ctx->user_ip6[1] = 0;
+		ctx->user_ip6[2] = 0;
+		ctx->user_ip6[3] = bpf_htonl(1);
+		ctx->user_port = bpf_htons(60124);
+	}
+	return 1;
+}
+
+SEC("cgroup/getsockname6")
+int getsockname6(struct bpf_sock_addr *ctx)
+{
+	if (!get_set_sk_priority(ctx))
+		return 1;
+
+	/* Expose local server as [fc00::1]:60000 to client. */
+	if (ctx->user_port == bpf_htons(60124)) {
+		ctx->user_ip6[0] = bpf_htonl(0xfc000000);
+		ctx->user_ip6[1] = 0;
+		ctx->user_ip6[2] = 0;
+		ctx->user_ip6[3] = bpf_htonl(1);
+		ctx->user_port = bpf_htons(60000);
+	}
+	return 1;
+}
+
+SEC("cgroup/getpeername6")
+int getpeername6(struct bpf_sock_addr *ctx)
+{
+	struct svc_addr *orig;
+
+	if (!get_set_sk_priority(ctx))
+		return 1;
+
+	/* Expose service [fc00::1]:60000 as peer instead of backend. */
+	if (ctx->user_port == bpf_htons(60124)) {
+		orig = bpf_sk_storage_get(&service_mapping, ctx->sk, 0, 0);
+		if (orig) {
+			ctx->user_ip6[0] = orig->addr[0];
+			ctx->user_ip6[1] = orig->addr[1];
+			ctx->user_ip6[2] = orig->addr[2];
+			ctx->user_ip6[3] = orig->addr[3];
+			ctx->user_port = orig->port;
+		}
+	}
+	return 1;
+}
diff --git a/tools/testing/selftests/bpf/progs/connect_ping.c b/tools/testing/selftests/bpf/progs/connect_ping.c
new file mode 100644
index 000000000..60178192b
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/connect_ping.c
@@ -0,0 +1,53 @@
+// SPDX-License-Identifier: GPL-2.0-only
+
+/*
+ * Copyright 2022 Google LLC.
+ */
+
+#include <linux/bpf.h>
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_endian.h>
+#include <netinet/in.h>
+#include <sys/socket.h>
+
+/* 2001:db8::1 */
+#define BINDADDR_V6 { { { 0x20,0x01,0x0d,0xb8,0,0,0,0,0,0,0,0,0,0,0,1 } } }
+
+__u32 do_bind = 0;
+__u32 has_error = 0;
+__u32 invocations_v4 = 0;
+__u32 invocations_v6 = 0;
+
+SEC("cgroup/connect4")
+int connect_v4_prog(struct bpf_sock_addr *ctx)
+{
+	struct sockaddr_in sa = {
+		.sin_family = AF_INET,
+		.sin_addr.s_addr = bpf_htonl(0x01010101),
+	};
+
+	__sync_fetch_and_add(&invocations_v4, 1);
+
+	if (do_bind && bpf_bind(ctx, (struct sockaddr *)&sa, sizeof(sa)))
+		has_error = 1;
+
+	return 1;
+}
+
+SEC("cgroup/connect6")
+int connect_v6_prog(struct bpf_sock_addr *ctx)
+{
+	struct sockaddr_in6 sa = {
+		.sin6_family = AF_INET6,
+		.sin6_addr = BINDADDR_V6,
+	};
+
+	__sync_fetch_and_add(&invocations_v6, 1);
+
+	if (do_bind && bpf_bind(ctx, (struct sockaddr *)&sa, sizeof(sa)))
+		has_error = 1;
+
+	return 1;
+}
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/core_kern.c b/tools/testing/selftests/bpf/progs/core_kern.c
new file mode 100644
index 000000000..2715fe27d
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/core_kern.c
@@ -0,0 +1,120 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2021 Facebook */
+#include "vmlinux.h"
+
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_tracing.h>
+#include <bpf/bpf_core_read.h>
+
+#define ATTR __always_inline
+#include "test_jhash.h"
+
+struct {
+	__uint(type, BPF_MAP_TYPE_ARRAY);
+	__type(key, u32);
+	__type(value, u32);
+	__uint(max_entries, 256);
+} array1 SEC(".maps");
+
+struct {
+	__uint(type, BPF_MAP_TYPE_ARRAY);
+	__type(key, u32);
+	__type(value, u32);
+	__uint(max_entries, 256);
+} array2 SEC(".maps");
+
+static __noinline int randmap(int v, const struct net_device *dev)
+{
+	struct bpf_map *map = (struct bpf_map *)&array1;
+	int key = bpf_get_prandom_u32() & 0xff;
+	int *val;
+
+	if (bpf_get_prandom_u32() & 1)
+		map = (struct bpf_map *)&array2;
+
+	val = bpf_map_lookup_elem(map, &key);
+	if (val)
+		*val = bpf_get_prandom_u32() + v + dev->mtu;
+
+	return 0;
+}
+
+SEC("tp_btf/xdp_devmap_xmit")
+int BPF_PROG(tp_xdp_devmap_xmit_multi, const struct net_device
+	     *from_dev, const struct net_device *to_dev, int sent, int drops,
+	     int err)
+{
+	return randmap(from_dev->ifindex, from_dev);
+}
+
+SEC("fentry/eth_type_trans")
+int BPF_PROG(fentry_eth_type_trans, struct sk_buff *skb,
+	     struct net_device *dev, unsigned short protocol)
+{
+	return randmap(dev->ifindex + skb->len, dev);
+}
+
+SEC("fexit/eth_type_trans")
+int BPF_PROG(fexit_eth_type_trans, struct sk_buff *skb,
+	     struct net_device *dev, unsigned short protocol)
+{
+	return randmap(dev->ifindex + skb->len, dev);
+}
+
+volatile const int never;
+
+struct __sk_bUfF /* it will not exist in vmlinux */ {
+	int len;
+} __attribute__((preserve_access_index));
+
+struct bpf_testmod_test_read_ctx /* it exists in bpf_testmod */ {
+	size_t len;
+} __attribute__((preserve_access_index));
+
+SEC("tc")
+int balancer_ingress(struct __sk_buff *ctx)
+{
+	void *data_end = (void *)(long)ctx->data_end;
+	void *data = (void *)(long)ctx->data;
+	void *ptr;
+	int ret = 0, nh_off, i = 0;
+
+	nh_off = 14;
+
+	/* pragma unroll doesn't work on large loops */
+#define C do { \
+	ptr = data + i; \
+	if (ptr + nh_off > data_end) \
+		break; \
+	ctx->tc_index = jhash(ptr, nh_off, ctx->cb[0] + i++); \
+	if (never) { \
+		/* below is a dead code with unresolvable CO-RE relo */ \
+		i += ((struct __sk_bUfF *)ctx)->len; \
+		/* this CO-RE relo may or may not resolve
+		 * depending on whether bpf_testmod is loaded.
+		 */ \
+		i += ((struct bpf_testmod_test_read_ctx *)ctx)->len; \
+	} \
+	} while (0);
+#define C30 C;C;C;C;C;C;C;C;C;C;C;C;C;C;C;C;C;C;C;C;C;C;C;C;C;C;C;C;C;C;
+	C30;C30;C30; /* 90 calls */
+	return 0;
+}
+
+typedef int (*func_proto_typedef___match)(long);
+typedef int (*func_proto_typedef___doesnt_match)(char *);
+typedef int (*func_proto_typedef_nested1)(func_proto_typedef___match);
+
+int proto_out[3];
+
+SEC("raw_tracepoint/sys_enter")
+int core_relo_proto(void *ctx)
+{
+	proto_out[0] = bpf_core_type_exists(func_proto_typedef___match);
+	proto_out[1] = bpf_core_type_exists(func_proto_typedef___doesnt_match);
+	proto_out[2] = bpf_core_type_exists(func_proto_typedef_nested1);
+
+	return 0;
+}
+
+char LICENSE[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/core_kern_overflow.c b/tools/testing/selftests/bpf/progs/core_kern_overflow.c
new file mode 100644
index 000000000..f0d565225
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/core_kern_overflow.c
@@ -0,0 +1,22 @@
+// SPDX-License-Identifier: GPL-2.0
+#include "vmlinux.h"
+
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_tracing.h>
+#include <bpf/bpf_core_read.h>
+
+typedef int (*func_proto_typedef)(long);
+typedef int (*func_proto_typedef_nested1)(func_proto_typedef);
+typedef int (*func_proto_typedef_nested2)(func_proto_typedef_nested1);
+
+int proto_out;
+
+SEC("raw_tracepoint/sys_enter")
+int core_relo_proto(void *ctx)
+{
+	proto_out = bpf_core_type_exists(func_proto_typedef_nested2);
+
+	return 0;
+}
+
+char LICENSE[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/core_reloc_types.h b/tools/testing/selftests/bpf/progs/core_reloc_types.h
new file mode 100644
index 000000000..fd8e1b4c6
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/core_reloc_types.h
@@ -0,0 +1,1353 @@
+#include <stdint.h>
+#include <stdbool.h>
+
+void preserce_ptr_sz_fn(long x) {}
+
+#define __bpf_aligned __attribute__((aligned(8)))
+
+/*
+ * KERNEL
+ */
+
+struct core_reloc_kernel_output {
+	int valid[10];
+	char comm[sizeof("test_progs")];
+	int comm_len;
+	bool local_task_struct_matches;
+};
+
+/*
+ * MODULE
+ */
+
+struct core_reloc_module_output {
+	long long len;
+	long long off;
+	int read_ctx_sz;
+	bool read_ctx_exists;
+	bool buf_exists;
+	bool len_exists;
+	bool off_exists;
+	/* we have test_progs[-flavor], so cut flavor part */
+	char comm[sizeof("test_progs")];
+	int comm_len;
+};
+
+/*
+ * FLAVORS
+ */
+struct core_reloc_flavors {
+	int a;
+	int b;
+	int c;
+};
+
+/* this is not a flavor, as it doesn't have triple underscore */
+struct core_reloc_flavors__err_wrong_name {
+	int a;
+	int b;
+	int c;
+};
+
+/*
+ * NESTING
+ */
+/* original set up, used to record relocations in BPF program */
+struct core_reloc_nesting_substruct {
+	int a;
+};
+
+union core_reloc_nesting_subunion {
+	int b;
+};
+
+struct core_reloc_nesting {
+	union {
+		struct core_reloc_nesting_substruct a;
+	} a;
+	struct {
+		union core_reloc_nesting_subunion b;
+	} b;
+};
+
+/* inlined anonymous struct/union instead of named structs in original */
+struct core_reloc_nesting___anon_embed {
+	int __just_for_padding;
+	union {
+		struct {
+			int a;
+		} a;
+	} a;
+	struct {
+		union {
+			int b;
+		} b;
+	} b;
+};
+
+/* different mix of nested structs/unions than in original */
+struct core_reloc_nesting___struct_union_mixup {
+	int __a;
+	struct {
+		int __a;
+		union {
+			char __a;
+			int a;
+		} a;
+	} a;
+	int __b;
+	union {
+		int __b;
+		union {
+			char __b;
+			int b;
+		} b;
+	} b;
+};
+
+/* extra anon structs/unions, but still valid a.a.a and b.b.b accessors */
+struct core_reloc_nesting___extra_nesting {
+	int __padding;
+	struct {
+		struct {
+			struct {
+				struct {
+					union {
+						int a;
+					} a;
+				};
+			};
+		} a;
+		int __some_more;
+		struct {
+			union {
+				union {
+					union {
+						struct {
+							int b;
+						};
+					} b;
+				};
+			} b;
+		};
+	};
+};
+
+/* three flavors of same struct with different structure but same layout for
+ * a.a.a and b.b.b, thus successfully resolved and relocatable */
+struct core_reloc_nesting___dup_compat_types {
+	char __just_for_padding;
+	/* 3 more bytes of padding */
+	struct {
+		struct {
+			int a; /* offset 4 */
+		} a;
+	} a;
+	long long __more_padding;
+	struct {
+		struct {
+			int b; /* offset 16 */
+		} b;
+	} b;
+};
+
+struct core_reloc_nesting___dup_compat_types__2 {
+	int __aligned_padding;
+	struct {
+		int __trickier_noop[0];
+		struct {
+			char __some_more_noops[0];
+			int a; /* offset 4 */
+		} a;
+	} a;
+	int __more_padding;
+	struct {
+		struct {
+			struct {
+				int __critical_padding;
+				int b; /* offset 16 */
+			} b;
+			int __does_not_matter;
+		};
+	} b;
+	int __more_irrelevant_stuff;
+};
+
+struct core_reloc_nesting___dup_compat_types__3 {
+	char __correct_padding[4];
+	struct {
+		struct {
+			int a; /* offset 4 */
+		} a;
+	} a;
+	/* 8 byte padding due to next struct's alignment */
+	struct {
+		struct {
+			int b;
+		} b;
+	} b __attribute__((aligned(16)));
+};
+
+/* b.b.b field is missing */
+struct core_reloc_nesting___err_missing_field {
+	struct {
+		struct {
+			int a;
+		} a;
+	} a;
+	struct {
+		struct {
+			int x;
+		} b;
+	} b;
+};
+
+/* b.b.b field is an array of integers instead of plain int */
+struct core_reloc_nesting___err_array_field {
+	struct {
+		struct {
+			int a;
+		} a;
+	} a;
+	struct {
+		struct {
+			int b[1];
+		} b;
+	} b;
+};
+
+/* middle b container is missing */
+struct core_reloc_nesting___err_missing_container {
+	struct {
+		struct {
+			int a;
+		} a;
+	} a;
+	struct {
+		int x;
+	} b;
+};
+
+/* middle b container is referenced through pointer instead of being embedded */
+struct core_reloc_nesting___err_nonstruct_container {
+	struct {
+		struct {
+			int a;
+		} a;
+	} a;
+	struct {
+		struct {
+			int b;
+		} *b;
+	} b;
+};
+
+/* middle b container is an array of structs instead of plain struct */
+struct core_reloc_nesting___err_array_container {
+	struct {
+		struct {
+			int a;
+		} a;
+	} a;
+	struct {
+		struct {
+			int b;
+		} b[1];
+	} b;
+};
+
+/* two flavors of same struct with incompatible layout for b.b.b */
+struct core_reloc_nesting___err_dup_incompat_types__1 {
+	struct {
+		struct {
+			int a; /* offset 0 */
+		} a;
+	} a;
+	struct {
+		struct {
+			int b; /* offset 4 */
+		} b;
+	} b;
+};
+
+struct core_reloc_nesting___err_dup_incompat_types__2 {
+	struct {
+		struct {
+			int a; /* offset 0 */
+		} a;
+	} a;
+	int __extra_padding;
+	struct {
+		struct {
+			int b; /* offset 8 (!) */
+		} b;
+	} b;
+};
+
+/* two flavors of same struct having one of a.a.a and b.b.b, but not both */
+struct core_reloc_nesting___err_partial_match_dups__a {
+	struct {
+		struct {
+			int a;
+		} a;
+	} a;
+};
+
+struct core_reloc_nesting___err_partial_match_dups__b {
+	struct {
+		struct {
+			int b;
+		} b;
+	} b;
+};
+
+struct core_reloc_nesting___err_too_deep {
+	struct {
+		struct {
+			int a;
+		} a;
+	} a;
+	/* 65 levels of nestedness for b.b.b */
+	struct {
+		struct {
+			struct { struct { struct { struct { struct {
+			struct { struct { struct { struct { struct {
+			struct { struct { struct { struct { struct {
+			struct { struct { struct { struct { struct {
+			struct { struct { struct { struct { struct {
+			struct { struct { struct { struct { struct {
+			struct { struct { struct { struct { struct {
+			struct { struct { struct { struct { struct {
+			struct { struct { struct { struct { struct {
+			struct { struct { struct { struct { struct {
+			struct { struct { struct { struct { struct {
+			struct { struct { struct { struct { struct {
+				/* this one is one too much */
+				struct {
+					int b;
+				};
+			}; }; }; }; };
+			}; }; }; }; };
+			}; }; }; }; };
+			}; }; }; }; };
+			}; }; }; }; };
+			}; }; }; }; };
+			}; }; }; }; };
+			}; }; }; }; };
+			}; }; }; }; };
+			}; }; }; }; };
+			}; }; }; }; };
+			}; }; }; }; };
+		} b;
+	} b;
+};
+
+/*
+ * ARRAYS
+ */
+struct core_reloc_arrays_output {
+	int a2;
+	char b123;
+	int c1c;
+	int d00d;
+	int f10c;
+};
+
+struct core_reloc_arrays_substruct {
+	int c;
+	int d;
+};
+
+struct core_reloc_arrays {
+	int a[5];
+	char b[2][3][4];
+	struct core_reloc_arrays_substruct c[3];
+	struct core_reloc_arrays_substruct d[1][2];
+	struct core_reloc_arrays_substruct f[][2];
+};
+
+/* bigger array dimensions */
+struct core_reloc_arrays___diff_arr_dim {
+	int a[7];
+	char b[3][4][5];
+	struct core_reloc_arrays_substruct c[4];
+	struct core_reloc_arrays_substruct d[2][3];
+	struct core_reloc_arrays_substruct f[1][3];
+};
+
+/* different size of array's value (struct) */
+struct core_reloc_arrays___diff_arr_val_sz {
+	int a[5];
+	char b[2][3][4];
+	struct {
+		int __padding1;
+		int c;
+		int __padding2;
+	} c[3];
+	struct {
+		int __padding1;
+		int d;
+		int __padding2;
+	} d[1][2];
+	struct {
+		int __padding1;
+		int c;
+		int __padding2;
+	} f[][2];
+};
+
+struct core_reloc_arrays___equiv_zero_sz_arr {
+	int a[5];
+	char b[2][3][4];
+	struct core_reloc_arrays_substruct c[3];
+	struct core_reloc_arrays_substruct d[1][2];
+	/* equivalent to flexible array */
+	struct core_reloc_arrays_substruct f[][2];
+};
+
+struct core_reloc_arrays___fixed_arr {
+	int a[5];
+	char b[2][3][4];
+	struct core_reloc_arrays_substruct c[3];
+	struct core_reloc_arrays_substruct d[1][2];
+	/* not a flexible array anymore, but within access bounds */
+	struct core_reloc_arrays_substruct f[1][2];
+};
+
+struct core_reloc_arrays___err_too_small {
+	int a[2]; /* this one is too small */
+	char b[2][3][4];
+	struct core_reloc_arrays_substruct c[3];
+	struct core_reloc_arrays_substruct d[1][2];
+	struct core_reloc_arrays_substruct f[][2];
+};
+
+struct core_reloc_arrays___err_too_shallow {
+	int a[5];
+	char b[2][3]; /* this one lacks one dimension */
+	struct core_reloc_arrays_substruct c[3];
+	struct core_reloc_arrays_substruct d[1][2];
+	struct core_reloc_arrays_substruct f[][2];
+};
+
+struct core_reloc_arrays___err_non_array {
+	int a; /* not an array */
+	char b[2][3][4];
+	struct core_reloc_arrays_substruct c[3];
+	struct core_reloc_arrays_substruct d[1][2];
+	struct core_reloc_arrays_substruct f[][2];
+};
+
+struct core_reloc_arrays___err_wrong_val_type {
+	int a[5];
+	char b[2][3][4];
+	int c[3]; /* value is not a struct */
+	struct core_reloc_arrays_substruct d[1][2];
+	struct core_reloc_arrays_substruct f[][2];
+};
+
+struct core_reloc_arrays___err_bad_zero_sz_arr {
+	/* zero-sized array, but not at the end */
+	struct core_reloc_arrays_substruct f[0][2];
+	int a[5];
+	char b[2][3][4];
+	struct core_reloc_arrays_substruct c[3];
+	struct core_reloc_arrays_substruct d[1][2];
+};
+
+/*
+ * PRIMITIVES
+ */
+enum core_reloc_primitives_enum {
+	A = 0,
+	B = 1,
+};
+
+struct core_reloc_primitives {
+	char a;
+	int b;
+	enum core_reloc_primitives_enum c;
+	void *d __bpf_aligned;
+	int (*f)(const char *) __bpf_aligned;
+};
+
+struct core_reloc_primitives___diff_enum_def {
+	char a;
+	int b;
+	void *d __bpf_aligned;
+	int (*f)(const char *) __bpf_aligned;
+	enum {
+		X = 100,
+		Y = 200,
+	} c __bpf_aligned; /* inline enum def with differing set of values */
+};
+
+struct core_reloc_primitives___diff_func_proto {
+	void (*f)(int) __bpf_aligned; /* incompatible function prototype */
+	void *d __bpf_aligned;
+	enum core_reloc_primitives_enum c __bpf_aligned;
+	int b;
+	char a;
+};
+
+struct core_reloc_primitives___diff_ptr_type {
+	const char * const d __bpf_aligned; /* different pointee type + modifiers */
+	char a __bpf_aligned;
+	int b;
+	enum core_reloc_primitives_enum c;
+	int (*f)(const char *) __bpf_aligned;
+};
+
+struct core_reloc_primitives___err_non_enum {
+	char a[1];
+	int b;
+	int c; /* int instead of enum */
+	void *d __bpf_aligned;
+	int (*f)(const char *) __bpf_aligned;
+};
+
+struct core_reloc_primitives___err_non_int {
+	char a[1];
+	int *b __bpf_aligned; /* ptr instead of int */
+	enum core_reloc_primitives_enum c __bpf_aligned;
+	void *d __bpf_aligned;
+	int (*f)(const char *) __bpf_aligned;
+};
+
+struct core_reloc_primitives___err_non_ptr {
+	char a[1];
+	int b;
+	enum core_reloc_primitives_enum c;
+	int d; /* int instead of ptr */
+	int (*f)(const char *) __bpf_aligned;
+};
+
+/*
+ * MODS
+ */
+struct core_reloc_mods_output {
+	int a, b, c, d, e, f, g, h;
+};
+
+typedef const int int_t;
+typedef const char *char_ptr_t __bpf_aligned;
+typedef const int arr_t[7];
+
+struct core_reloc_mods_substruct {
+	int x;
+	int y;
+};
+
+typedef struct {
+	int x;
+	int y;
+} core_reloc_mods_substruct_t;
+
+struct core_reloc_mods {
+	int a;
+	int_t b;
+	char *c __bpf_aligned;
+	char_ptr_t d;
+	int e[3] __bpf_aligned;
+	arr_t f;
+	struct core_reloc_mods_substruct g;
+	core_reloc_mods_substruct_t h;
+};
+
+/* a/b, c/d, e/f, and g/h pairs are swapped */
+struct core_reloc_mods___mod_swap {
+	int b;
+	int_t a;
+	char *d __bpf_aligned;
+	char_ptr_t c;
+	int f[3] __bpf_aligned;
+	arr_t e;
+	struct {
+		int y;
+		int x;
+	} h;
+	core_reloc_mods_substruct_t g;
+};
+
+typedef int int1_t;
+typedef int1_t int2_t;
+typedef int2_t int3_t;
+
+typedef int arr1_t[5];
+typedef arr1_t arr2_t;
+typedef arr2_t arr3_t;
+typedef arr3_t arr4_t;
+
+typedef const char * const volatile fancy_char_ptr_t __bpf_aligned;
+
+typedef core_reloc_mods_substruct_t core_reloc_mods_substruct_tt;
+
+/* we need more typedefs */
+struct core_reloc_mods___typedefs {
+	core_reloc_mods_substruct_tt g;
+	core_reloc_mods_substruct_tt h;
+	arr4_t f;
+	arr4_t e;
+	fancy_char_ptr_t d;
+	fancy_char_ptr_t c;
+	int3_t b __bpf_aligned;
+	int3_t a;
+};
+
+/*
+ * PTR_AS_ARR
+ */
+struct core_reloc_ptr_as_arr {
+	int a;
+};
+
+struct core_reloc_ptr_as_arr___diff_sz {
+	int :32; /* padding */
+	char __some_more_padding;
+	int a;
+};
+
+/*
+ * INTS
+ */
+struct core_reloc_ints {
+	uint8_t		u8_field;
+	int8_t		s8_field;
+	uint16_t	u16_field;
+	int16_t		s16_field;
+	uint32_t	u32_field;
+	int32_t		s32_field;
+	uint64_t	u64_field;
+	int64_t		s64_field;
+};
+
+/* signed/unsigned types swap */
+struct core_reloc_ints___reverse_sign {
+	int8_t		u8_field;
+	uint8_t		s8_field;
+	int16_t		u16_field;
+	uint16_t	s16_field;
+	int32_t		u32_field;
+	uint32_t	s32_field;
+	int64_t		u64_field;
+	uint64_t	s64_field;
+};
+
+struct core_reloc_ints___bool {
+	bool		u8_field; /* bool instead of uint8 */
+	int8_t		s8_field;
+	uint16_t	u16_field;
+	int16_t		s16_field;
+	uint32_t	u32_field;
+	int32_t		s32_field;
+	uint64_t	u64_field;
+	int64_t		s64_field;
+};
+
+/*
+ * MISC
+ */
+struct core_reloc_misc_output {
+	int a, b, c;
+};
+
+struct core_reloc_misc___a {
+	int a1;
+	int a2;
+};
+
+struct core_reloc_misc___b {
+	int b1;
+	int b2;
+};
+
+/* this one extends core_reloc_misc_extensible struct from BPF prog */
+struct core_reloc_misc_extensible {
+	int a;
+	int b;
+	int c;
+	int d;
+};
+
+/*
+ * FIELD EXISTENCE
+ */
+struct core_reloc_existence_output {
+	int a_exists;
+	int a_value;
+	int b_exists;
+	int b_value;
+	int c_exists;
+	int c_value;
+	int arr_exists;
+	int arr_value;
+	int s_exists;
+	int s_value;
+};
+
+struct core_reloc_existence {
+	int a;
+	struct {
+		int b;
+	};
+	int c;
+	int arr[1];
+	struct {
+		int x;
+	} s;
+};
+
+struct core_reloc_existence___minimal {
+	int a;
+};
+
+struct core_reloc_existence___wrong_field_defs {
+	void *a;
+	int b[1];
+	struct{ int x; } c;
+	int arr;
+	int s;
+};
+
+/*
+ * BITFIELDS
+ */
+/* bitfield read results, all as plain integers */
+struct core_reloc_bitfields_output {
+	int64_t		ub1;
+	int64_t		ub2;
+	int64_t		ub7;
+	int64_t		sb4;
+	int64_t		sb20;
+	int64_t		u32;
+	int64_t		s32;
+};
+
+struct core_reloc_bitfields {
+	/* unsigned bitfields */
+	uint8_t		ub1: 1;
+	uint8_t		ub2: 2;
+	uint32_t	ub7: 7;
+	/* signed bitfields */
+	int8_t		sb4: 4;
+	int32_t		sb20: 20;
+	/* non-bitfields */
+	uint32_t	u32;
+	int32_t		s32;
+};
+
+/* different bit sizes (both up and down) */
+struct core_reloc_bitfields___bit_sz_change {
+	/* unsigned bitfields */
+	uint16_t	ub1: 3;		/*  1 ->  3 */
+	uint32_t	ub2: 20;	/*  2 -> 20 */
+	uint8_t		ub7: 1;		/*  7 ->  1 */
+	/* signed bitfields */
+	int8_t		sb4: 1;		/*  4 ->  1 */
+	int32_t		sb20: 30;	/* 20 -> 30 */
+	/* non-bitfields */
+	uint16_t	u32;			/* 32 -> 16 */
+	int64_t		s32 __bpf_aligned;	/* 32 -> 64 */
+};
+
+/* turn bitfield into non-bitfield and vice versa */
+struct core_reloc_bitfields___bitfield_vs_int {
+	uint64_t	ub1;		/*  3 -> 64 non-bitfield */
+	uint8_t		ub2;		/* 20 ->  8 non-bitfield */
+	int64_t		ub7 __bpf_aligned;	/*  7 -> 64 non-bitfield signed */
+	int64_t		sb4 __bpf_aligned;	/*  4 -> 64 non-bitfield signed */
+	uint64_t	sb20 __bpf_aligned;	/* 20 -> 16 non-bitfield unsigned */
+	int32_t		u32: 20;		/* 32 non-bitfield -> 20 bitfield */
+	uint64_t	s32: 60 __bpf_aligned;	/* 32 non-bitfield -> 60 bitfield */
+};
+
+struct core_reloc_bitfields___just_big_enough {
+	uint64_t	ub1: 4;
+	uint64_t	ub2: 60; /* packed tightly */
+	uint32_t	ub7;
+	uint32_t	sb4;
+	uint32_t	sb20;
+	uint32_t	u32;
+	uint32_t	s32;
+} __attribute__((packed)) ;
+
+struct core_reloc_bitfields___err_too_big_bitfield {
+	uint64_t	ub1: 4;
+	uint64_t	ub2: 61; /* packed tightly */
+	uint32_t	ub7;
+	uint32_t	sb4;
+	uint32_t	sb20;
+	uint32_t	u32;
+	uint32_t	s32;
+} __attribute__((packed)) ;
+
+/*
+ * SIZE
+ */
+struct core_reloc_size_output {
+	int int_sz;
+	int int_off;
+	int struct_sz;
+	int struct_off;
+	int union_sz;
+	int union_off;
+	int arr_sz;
+	int arr_off;
+	int arr_elem_sz;
+	int arr_elem_off;
+	int ptr_sz;
+	int ptr_off;
+	int enum_sz;
+	int enum_off;
+	int float_sz;
+	int float_off;
+};
+
+struct core_reloc_size {
+	int int_field;
+	struct { int x; } struct_field;
+	union { int x; } union_field;
+	int arr_field[4];
+	void *ptr_field;
+	enum { VALUE = 123 } enum_field;
+	float float_field;
+};
+
+struct core_reloc_size___diff_sz {
+	uint64_t int_field;
+	struct { int x; int y; int z; } struct_field;
+	union { int x; char bla[123]; } union_field;
+	char arr_field[10];
+	void *ptr_field;
+	enum { OTHER_VALUE = 0xFFFFFFFFFFFFFFFF } enum_field;
+	double float_field;
+};
+
+struct core_reloc_size___diff_offs {
+	float float_field;
+	enum { YET_OTHER_VALUE = 123 } enum_field;
+	void *ptr_field;
+	int arr_field[4];
+	union { int x; } union_field;
+	struct { int x; } struct_field;
+	int int_field;
+};
+
+/* Error case of two candidates with the fields (int_field) at the same
+ * offset, but with differing final relocation values: size 4 vs size 1
+ */
+struct core_reloc_size___err_ambiguous1 {
+	/* int at offset 0 */
+	int int_field;
+
+	struct { int x; } struct_field;
+	union { int x; } union_field;
+	int arr_field[4];
+	void *ptr_field;
+	enum { VALUE___1 = 123 } enum_field;
+	float float_field;
+};
+
+struct core_reloc_size___err_ambiguous2 {
+	/* char at offset 0 */
+	char int_field;
+
+	struct { int x; } struct_field;
+	union { int x; } union_field;
+	int arr_field[4];
+	void *ptr_field;
+	enum { VALUE___2 = 123 } enum_field;
+	float float_field;
+};
+
+/*
+ * TYPE EXISTENCE, MATCH & SIZE
+ */
+struct core_reloc_type_based_output {
+	bool struct_exists;
+	bool complex_struct_exists;
+	bool union_exists;
+	bool enum_exists;
+	bool typedef_named_struct_exists;
+	bool typedef_anon_struct_exists;
+	bool typedef_struct_ptr_exists;
+	bool typedef_int_exists;
+	bool typedef_enum_exists;
+	bool typedef_void_ptr_exists;
+	bool typedef_restrict_ptr_exists;
+	bool typedef_func_proto_exists;
+	bool typedef_arr_exists;
+
+	bool struct_matches;
+	bool complex_struct_matches;
+	bool union_matches;
+	bool enum_matches;
+	bool typedef_named_struct_matches;
+	bool typedef_anon_struct_matches;
+	bool typedef_struct_ptr_matches;
+	bool typedef_int_matches;
+	bool typedef_enum_matches;
+	bool typedef_void_ptr_matches;
+	bool typedef_restrict_ptr_matches;
+	bool typedef_func_proto_matches;
+	bool typedef_arr_matches;
+
+	int struct_sz;
+	int union_sz;
+	int enum_sz;
+	int typedef_named_struct_sz;
+	int typedef_anon_struct_sz;
+	int typedef_struct_ptr_sz;
+	int typedef_int_sz;
+	int typedef_enum_sz;
+	int typedef_void_ptr_sz;
+	int typedef_func_proto_sz;
+	int typedef_arr_sz;
+};
+
+struct a_struct {
+	int x;
+};
+
+struct a_complex_struct {
+	union {
+		struct a_struct * restrict a;
+		void *b;
+	} x;
+	volatile long y;
+};
+
+union a_union {
+	int y;
+	int z;
+};
+
+typedef struct a_struct named_struct_typedef;
+
+typedef struct { int x, y, z; } anon_struct_typedef;
+
+typedef struct {
+	int a, b, c;
+} *struct_ptr_typedef;
+
+enum an_enum {
+	AN_ENUM_VAL1 = 1,
+	AN_ENUM_VAL2 = 2,
+	AN_ENUM_VAL3 = 3,
+};
+
+typedef int int_typedef;
+
+typedef enum { TYPEDEF_ENUM_VAL1, TYPEDEF_ENUM_VAL2 } enum_typedef;
+
+typedef void *void_ptr_typedef;
+typedef int *restrict restrict_ptr_typedef;
+
+typedef int (*func_proto_typedef)(long);
+
+typedef char arr_typedef[20];
+
+struct core_reloc_type_based {
+	struct a_struct f1;
+	struct a_complex_struct f2;
+	union a_union f3;
+	enum an_enum f4;
+	named_struct_typedef f5;
+	anon_struct_typedef f6;
+	struct_ptr_typedef f7;
+	int_typedef f8;
+	enum_typedef f9;
+	void_ptr_typedef f10;
+	restrict_ptr_typedef f11;
+	func_proto_typedef f12;
+	arr_typedef f13;
+};
+
+/* no types in target */
+struct core_reloc_type_based___all_missing {
+};
+
+/* different member orders, enum variant values, signedness, etc */
+struct a_struct___diff {
+	int x;
+	int a;
+};
+
+struct a_struct___forward;
+
+struct a_complex_struct___diff {
+	union {
+		struct a_struct___forward *a;
+		void *b;
+	} x;
+	volatile long y;
+};
+
+union a_union___diff {
+	int z;
+	int y;
+};
+
+typedef struct a_struct___diff named_struct_typedef___diff;
+
+typedef struct { int z, x, y; } anon_struct_typedef___diff;
+
+typedef struct {
+	int c;
+	int b;
+	int a;
+} *struct_ptr_typedef___diff;
+
+enum an_enum___diff {
+	AN_ENUM_VAL2___diff = 0,
+	AN_ENUM_VAL1___diff = 42,
+	AN_ENUM_VAL3___diff = 1,
+};
+
+typedef unsigned int int_typedef___diff;
+
+typedef enum { TYPEDEF_ENUM_VAL2___diff, TYPEDEF_ENUM_VAL1___diff = 50 } enum_typedef___diff;
+
+typedef const void *void_ptr_typedef___diff;
+
+typedef int_typedef___diff (*func_proto_typedef___diff)(long);
+
+typedef char arr_typedef___diff[3];
+
+struct core_reloc_type_based___diff {
+	struct a_struct___diff f1;
+	struct a_complex_struct___diff f2;
+	union a_union___diff f3;
+	enum an_enum___diff f4;
+	named_struct_typedef___diff f5;
+	anon_struct_typedef___diff f6;
+	struct_ptr_typedef___diff f7;
+	int_typedef___diff f8;
+	enum_typedef___diff f9;
+	void_ptr_typedef___diff f10;
+	func_proto_typedef___diff f11;
+	arr_typedef___diff f12;
+};
+
+/* different type sizes, extra modifiers, anon vs named enums, etc */
+struct a_struct___diff_sz {
+	long x;
+	int y;
+	char z;
+};
+
+union a_union___diff_sz {
+	char yy;
+	char zz;
+};
+
+typedef struct a_struct___diff_sz named_struct_typedef___diff_sz;
+
+typedef struct { long xx, yy, zzz; } anon_struct_typedef___diff_sz;
+
+typedef struct {
+	char aa[1], bb[2], cc[3];
+} *struct_ptr_typedef___diff_sz;
+
+enum an_enum___diff_sz {
+	AN_ENUM_VAL1___diff_sz = 0x123412341234,
+	AN_ENUM_VAL2___diff_sz = 2,
+};
+
+typedef unsigned long int_typedef___diff_sz;
+
+typedef enum an_enum___diff_sz enum_typedef___diff_sz;
+
+typedef const void * const void_ptr_typedef___diff_sz;
+
+typedef int_typedef___diff_sz (*func_proto_typedef___diff_sz)(char);
+
+typedef int arr_typedef___diff_sz[2];
+
+struct core_reloc_type_based___diff_sz {
+	struct a_struct___diff_sz f1;
+	union a_union___diff_sz f2;
+	enum an_enum___diff_sz f3;
+	named_struct_typedef___diff_sz f4;
+	anon_struct_typedef___diff_sz f5;
+	struct_ptr_typedef___diff_sz f6;
+	int_typedef___diff_sz f7;
+	enum_typedef___diff_sz f8;
+	void_ptr_typedef___diff_sz f9;
+	func_proto_typedef___diff_sz f10;
+	arr_typedef___diff_sz f11;
+};
+
+/* incompatibilities between target and local types */
+union a_struct___incompat { /* union instead of struct */
+	int x;
+};
+
+struct a_union___incompat { /* struct instead of union */
+	int y;
+	int z;
+};
+
+/* typedef to union, not to struct */
+typedef union a_struct___incompat named_struct_typedef___incompat;
+
+/* typedef to void pointer, instead of struct */
+typedef void *anon_struct_typedef___incompat;
+
+/* extra pointer indirection */
+typedef struct {
+	int a, b, c;
+} **struct_ptr_typedef___incompat;
+
+/* typedef of a struct with int, instead of int */
+typedef struct { int x; } int_typedef___incompat;
+
+/* typedef to func_proto, instead of enum */
+typedef int (*enum_typedef___incompat)(void);
+
+/* pointer to char instead of void */
+typedef char *void_ptr_typedef___incompat;
+
+/* void return type instead of int */
+typedef void (*func_proto_typedef___incompat)(long);
+
+/* multi-dimensional array instead of a single-dimensional */
+typedef int arr_typedef___incompat[20][2];
+
+struct core_reloc_type_based___incompat {
+	union a_struct___incompat f1;
+	struct a_union___incompat f2;
+	/* the only valid one is enum, to check that something still succeeds */
+	enum an_enum f3;
+	named_struct_typedef___incompat f4;
+	anon_struct_typedef___incompat f5;
+	struct_ptr_typedef___incompat f6;
+	int_typedef___incompat f7;
+	enum_typedef___incompat f8;
+	void_ptr_typedef___incompat f9;
+	func_proto_typedef___incompat f10;
+	arr_typedef___incompat f11;
+};
+
+/* func_proto with incompatible signature */
+typedef void (*func_proto_typedef___fn_wrong_ret1)(long);
+typedef int * (*func_proto_typedef___fn_wrong_ret2)(long);
+typedef struct { int x; } int_struct_typedef;
+typedef int_struct_typedef (*func_proto_typedef___fn_wrong_ret3)(long);
+typedef int (*func_proto_typedef___fn_wrong_arg)(void *);
+typedef int (*func_proto_typedef___fn_wrong_arg_cnt1)(long, long);
+typedef int (*func_proto_typedef___fn_wrong_arg_cnt2)(void);
+
+struct core_reloc_type_based___fn_wrong_args {
+	/* one valid type to make sure relos still work */
+	struct a_struct f1;
+	func_proto_typedef___fn_wrong_ret1 f2;
+	func_proto_typedef___fn_wrong_ret2 f3;
+	func_proto_typedef___fn_wrong_ret3 f4;
+	func_proto_typedef___fn_wrong_arg f5;
+	func_proto_typedef___fn_wrong_arg_cnt1 f6;
+	func_proto_typedef___fn_wrong_arg_cnt2 f7;
+};
+
+/*
+ * TYPE ID MAPPING (LOCAL AND TARGET)
+ */
+struct core_reloc_type_id_output {
+	int local_anon_struct;
+	int local_anon_union;
+	int local_anon_enum;
+	int local_anon_func_proto_ptr;
+	int local_anon_void_ptr;
+	int local_anon_arr;
+
+	int local_struct;
+	int local_union;
+	int local_enum;
+	int local_int;
+	int local_struct_typedef;
+	int local_func_proto_typedef;
+	int local_arr_typedef;
+
+	int targ_struct;
+	int targ_union;
+	int targ_enum;
+	int targ_int;
+	int targ_struct_typedef;
+	int targ_func_proto_typedef;
+	int targ_arr_typedef;
+};
+
+struct core_reloc_type_id {
+	struct a_struct f1;
+	union a_union f2;
+	enum an_enum f3;
+	named_struct_typedef f4;
+	func_proto_typedef f5;
+	arr_typedef f6;
+};
+
+struct core_reloc_type_id___missing_targets {
+	/* nothing */
+};
+
+/*
+ * ENUMERATOR VALUE EXISTENCE AND VALUE RELOCATION
+ */
+struct core_reloc_enumval_output {
+	bool named_val1_exists;
+	bool named_val2_exists;
+	bool named_val3_exists;
+	bool anon_val1_exists;
+	bool anon_val2_exists;
+	bool anon_val3_exists;
+
+	int named_val1;
+	int named_val2;
+	int anon_val1;
+	int anon_val2;
+};
+
+struct core_reloc_enum64val_output {
+	bool unsigned_val1_exists;
+	bool unsigned_val2_exists;
+	bool unsigned_val3_exists;
+	bool signed_val1_exists;
+	bool signed_val2_exists;
+	bool signed_val3_exists;
+
+	long unsigned_val1;
+	long unsigned_val2;
+	long signed_val1;
+	long signed_val2;
+};
+
+enum named_enum {
+	NAMED_ENUM_VAL1 = 1,
+	NAMED_ENUM_VAL2 = 2,
+	NAMED_ENUM_VAL3 = 3,
+};
+
+typedef enum {
+	ANON_ENUM_VAL1 = 0x10,
+	ANON_ENUM_VAL2 = 0x20,
+	ANON_ENUM_VAL3 = 0x30,
+} anon_enum;
+
+struct core_reloc_enumval {
+	enum named_enum f1;
+	anon_enum f2;
+};
+
+enum named_unsigned_enum64 {
+	UNSIGNED_ENUM64_VAL1 = 0x1ffffffffULL,
+	UNSIGNED_ENUM64_VAL2 = 0x2,
+	UNSIGNED_ENUM64_VAL3 = 0x3ffffffffULL,
+};
+
+enum named_signed_enum64 {
+	SIGNED_ENUM64_VAL1 = 0x1ffffffffLL,
+	SIGNED_ENUM64_VAL2 = -2,
+	SIGNED_ENUM64_VAL3 = 0x3ffffffffLL,
+};
+
+struct core_reloc_enum64val {
+	enum named_unsigned_enum64 f1;
+	enum named_signed_enum64 f2;
+};
+
+/* differing enumerator values */
+enum named_enum___diff {
+	NAMED_ENUM_VAL1___diff = 101,
+	NAMED_ENUM_VAL2___diff = 202,
+	NAMED_ENUM_VAL3___diff = 303,
+};
+
+typedef enum {
+	ANON_ENUM_VAL1___diff = 0x11,
+	ANON_ENUM_VAL2___diff = 0x22,
+	ANON_ENUM_VAL3___diff = 0x33,
+} anon_enum___diff;
+
+struct core_reloc_enumval___diff {
+	enum named_enum___diff f1;
+	anon_enum___diff f2;
+};
+
+enum named_unsigned_enum64___diff {
+	UNSIGNED_ENUM64_VAL1___diff = 0x101ffffffffULL,
+	UNSIGNED_ENUM64_VAL2___diff = 0x202ffffffffULL,
+	UNSIGNED_ENUM64_VAL3___diff = 0x303ffffffffULL,
+};
+
+enum named_signed_enum64___diff {
+	SIGNED_ENUM64_VAL1___diff = -101,
+	SIGNED_ENUM64_VAL2___diff = -202,
+	SIGNED_ENUM64_VAL3___diff = -303,
+};
+
+struct core_reloc_enum64val___diff {
+	enum named_unsigned_enum64___diff f1;
+	enum named_signed_enum64___diff f2;
+};
+
+/* missing (optional) third enum value */
+enum named_enum___val3_missing {
+	NAMED_ENUM_VAL1___val3_missing = 111,
+	NAMED_ENUM_VAL2___val3_missing = 222,
+};
+
+typedef enum {
+	ANON_ENUM_VAL1___val3_missing = 0x111,
+	ANON_ENUM_VAL2___val3_missing = 0x222,
+} anon_enum___val3_missing;
+
+struct core_reloc_enumval___val3_missing {
+	enum named_enum___val3_missing f1;
+	anon_enum___val3_missing f2;
+};
+
+enum named_unsigned_enum64___val3_missing {
+	UNSIGNED_ENUM64_VAL1___val3_missing = 0x111ffffffffULL,
+	UNSIGNED_ENUM64_VAL2___val3_missing = 0x222,
+};
+
+enum named_signed_enum64___val3_missing {
+	SIGNED_ENUM64_VAL1___val3_missing = 0x111ffffffffLL,
+	SIGNED_ENUM64_VAL2___val3_missing = -222,
+};
+
+struct core_reloc_enum64val___val3_missing {
+	enum named_unsigned_enum64___val3_missing f1;
+	enum named_signed_enum64___val3_missing f2;
+};
+
+/* missing (mandatory) second enum value, should fail */
+enum named_enum___err_missing {
+	NAMED_ENUM_VAL1___err_missing = 1,
+	NAMED_ENUM_VAL3___err_missing = 3,
+};
+
+typedef enum {
+	ANON_ENUM_VAL1___err_missing = 0x111,
+	ANON_ENUM_VAL3___err_missing = 0x222,
+} anon_enum___err_missing;
+
+struct core_reloc_enumval___err_missing {
+	enum named_enum___err_missing f1;
+	anon_enum___err_missing f2;
+};
+
+enum named_unsigned_enum64___err_missing {
+	UNSIGNED_ENUM64_VAL1___err_missing = 0x1ffffffffULL,
+	UNSIGNED_ENUM64_VAL3___err_missing = 0x3ffffffffULL,
+};
+
+enum named_signed_enum64___err_missing {
+	SIGNED_ENUM64_VAL1___err_missing = 0x1ffffffffLL,
+	SIGNED_ENUM64_VAL3___err_missing = -3,
+};
+
+struct core_reloc_enum64val___err_missing {
+	enum named_unsigned_enum64___err_missing f1;
+	enum named_signed_enum64___err_missing f2;
+};
diff --git a/tools/testing/selftests/bpf/progs/dev_cgroup.c b/tools/testing/selftests/bpf/progs/dev_cgroup.c
new file mode 100644
index 000000000..79b54a4fa
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/dev_cgroup.c
@@ -0,0 +1,59 @@
+/* Copyright (c) 2017 Facebook
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of version 2 of the GNU General Public
+ * License as published by the Free Software Foundation.
+ */
+
+#include <linux/bpf.h>
+#include <linux/version.h>
+#include <bpf/bpf_helpers.h>
+
+SEC("cgroup/dev")
+int bpf_prog1(struct bpf_cgroup_dev_ctx *ctx)
+{
+	short type = ctx->access_type & 0xFFFF;
+#ifdef DEBUG
+	short access = ctx->access_type >> 16;
+	char fmt[] = "  %d:%d    \n";
+
+	switch (type) {
+	case BPF_DEVCG_DEV_BLOCK:
+		fmt[0] = 'b';
+		break;
+	case BPF_DEVCG_DEV_CHAR:
+		fmt[0] = 'c';
+		break;
+	default:
+		fmt[0] = '?';
+		break;
+	}
+
+	if (access & BPF_DEVCG_ACC_READ)
+		fmt[8] = 'r';
+
+	if (access & BPF_DEVCG_ACC_WRITE)
+		fmt[9] = 'w';
+
+	if (access & BPF_DEVCG_ACC_MKNOD)
+		fmt[10] = 'm';
+
+	bpf_trace_printk(fmt, sizeof(fmt), ctx->major, ctx->minor);
+#endif
+
+	/* Allow access to /dev/zero and /dev/random.
+	 * Forbid everything else.
+	 */
+	if (ctx->major != 1 || type != BPF_DEVCG_DEV_CHAR)
+		return 0;
+
+	switch (ctx->minor) {
+	case 5: /* 1:5 /dev/zero */
+	case 9: /* 1:9 /dev/urandom */
+		return 1;
+	}
+
+	return 0;
+}
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/dummy_st_ops.c b/tools/testing/selftests/bpf/progs/dummy_st_ops.c
new file mode 100644
index 000000000..ead87edb7
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/dummy_st_ops.c
@@ -0,0 +1,50 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (C) 2021. Huawei Technologies Co., Ltd */
+#include <linux/bpf.h>
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_tracing.h>
+
+struct bpf_dummy_ops_state {
+	int val;
+} __attribute__((preserve_access_index));
+
+struct bpf_dummy_ops {
+	int (*test_1)(struct bpf_dummy_ops_state *state);
+	int (*test_2)(struct bpf_dummy_ops_state *state, int a1, unsigned short a2,
+		      char a3, unsigned long a4);
+};
+
+char _license[] SEC("license") = "GPL";
+
+SEC("struct_ops/test_1")
+int BPF_PROG(test_1, struct bpf_dummy_ops_state *state)
+{
+	int ret;
+
+	if (!state)
+		return 0xf2f3f4f5;
+
+	ret = state->val;
+	state->val = 0x5a;
+	return ret;
+}
+
+__u64 test_2_args[5];
+
+SEC("struct_ops/test_2")
+int BPF_PROG(test_2, struct bpf_dummy_ops_state *state, int a1, unsigned short a2,
+	     char a3, unsigned long a4)
+{
+	test_2_args[0] = (unsigned long)state;
+	test_2_args[1] = a1;
+	test_2_args[2] = a2;
+	test_2_args[3] = a3;
+	test_2_args[4] = a4;
+	return 0;
+}
+
+SEC(".struct_ops")
+struct bpf_dummy_ops dummy_1 = {
+	.test_1 = (void *)test_1,
+	.test_2 = (void *)test_2,
+};
diff --git a/tools/testing/selftests/bpf/progs/dynptr_fail.c b/tools/testing/selftests/bpf/progs/dynptr_fail.c
new file mode 100644
index 000000000..b0f08ff02
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/dynptr_fail.c
@@ -0,0 +1,624 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2022 Facebook */
+
+#include <errno.h>
+#include <string.h>
+#include <linux/bpf.h>
+#include <bpf/bpf_helpers.h>
+#include "bpf_misc.h"
+
+char _license[] SEC("license") = "GPL";
+
+struct test_info {
+	int x;
+	struct bpf_dynptr ptr;
+};
+
+struct {
+	__uint(type, BPF_MAP_TYPE_ARRAY);
+	__uint(max_entries, 1);
+	__type(key, __u32);
+	__type(value, struct bpf_dynptr);
+} array_map1 SEC(".maps");
+
+struct {
+	__uint(type, BPF_MAP_TYPE_ARRAY);
+	__uint(max_entries, 1);
+	__type(key, __u32);
+	__type(value, struct test_info);
+} array_map2 SEC(".maps");
+
+struct {
+	__uint(type, BPF_MAP_TYPE_ARRAY);
+	__uint(max_entries, 1);
+	__type(key, __u32);
+	__type(value, __u32);
+} array_map3 SEC(".maps");
+
+struct sample {
+	int pid;
+	long value;
+	char comm[16];
+};
+
+struct {
+	__uint(type, BPF_MAP_TYPE_RINGBUF);
+} ringbuf SEC(".maps");
+
+int err, val;
+
+static int get_map_val_dynptr(struct bpf_dynptr *ptr)
+{
+	__u32 key = 0, *map_val;
+
+	bpf_map_update_elem(&array_map3, &key, &val, 0);
+
+	map_val = bpf_map_lookup_elem(&array_map3, &key);
+	if (!map_val)
+		return -ENOENT;
+
+	bpf_dynptr_from_mem(map_val, sizeof(*map_val), 0, ptr);
+
+	return 0;
+}
+
+/* Every bpf_ringbuf_reserve_dynptr call must have a corresponding
+ * bpf_ringbuf_submit/discard_dynptr call
+ */
+SEC("?raw_tp")
+int ringbuf_missing_release1(void *ctx)
+{
+	struct bpf_dynptr ptr;
+
+	bpf_ringbuf_reserve_dynptr(&ringbuf, val, 0, &ptr);
+
+	/* missing a call to bpf_ringbuf_discard/submit_dynptr */
+
+	return 0;
+}
+
+SEC("?raw_tp")
+int ringbuf_missing_release2(void *ctx)
+{
+	struct bpf_dynptr ptr1, ptr2;
+	struct sample *sample;
+
+	bpf_ringbuf_reserve_dynptr(&ringbuf, sizeof(*sample), 0, &ptr1);
+	bpf_ringbuf_reserve_dynptr(&ringbuf, sizeof(*sample), 0, &ptr2);
+
+	sample = bpf_dynptr_data(&ptr1, 0, sizeof(*sample));
+	if (!sample) {
+		bpf_ringbuf_discard_dynptr(&ptr1, 0);
+		bpf_ringbuf_discard_dynptr(&ptr2, 0);
+		return 0;
+	}
+
+	bpf_ringbuf_submit_dynptr(&ptr1, 0);
+
+	/* missing a call to bpf_ringbuf_discard/submit_dynptr on ptr2 */
+
+	return 0;
+}
+
+static int missing_release_callback_fn(__u32 index, void *data)
+{
+	struct bpf_dynptr ptr;
+
+	bpf_ringbuf_reserve_dynptr(&ringbuf, val, 0, &ptr);
+
+	/* missing a call to bpf_ringbuf_discard/submit_dynptr */
+
+	return 0;
+}
+
+/* Any dynptr initialized within a callback must have bpf_dynptr_put called */
+SEC("?raw_tp")
+int ringbuf_missing_release_callback(void *ctx)
+{
+	bpf_loop(10, missing_release_callback_fn, NULL, 0);
+	return 0;
+}
+
+/* Can't call bpf_ringbuf_submit/discard_dynptr on a non-initialized dynptr */
+SEC("?raw_tp")
+int ringbuf_release_uninit_dynptr(void *ctx)
+{
+	struct bpf_dynptr ptr;
+
+	/* this should fail */
+	bpf_ringbuf_submit_dynptr(&ptr, 0);
+
+	return 0;
+}
+
+/* A dynptr can't be used after it has been invalidated */
+SEC("?raw_tp")
+int use_after_invalid(void *ctx)
+{
+	struct bpf_dynptr ptr;
+	char read_data[64];
+
+	bpf_ringbuf_reserve_dynptr(&ringbuf, sizeof(read_data), 0, &ptr);
+
+	bpf_dynptr_read(read_data, sizeof(read_data), &ptr, 0, 0);
+
+	bpf_ringbuf_submit_dynptr(&ptr, 0);
+
+	/* this should fail */
+	bpf_dynptr_read(read_data, sizeof(read_data), &ptr, 0, 0);
+
+	return 0;
+}
+
+/* Can't call non-dynptr ringbuf APIs on a dynptr ringbuf sample */
+SEC("?raw_tp")
+int ringbuf_invalid_api(void *ctx)
+{
+	struct bpf_dynptr ptr;
+	struct sample *sample;
+
+	bpf_ringbuf_reserve_dynptr(&ringbuf, sizeof(*sample), 0, &ptr);
+	sample = bpf_dynptr_data(&ptr, 0, sizeof(*sample));
+	if (!sample)
+		goto done;
+
+	sample->pid = 123;
+
+	/* invalid API use. need to use dynptr API to submit/discard */
+	bpf_ringbuf_submit(sample, 0);
+
+done:
+	bpf_ringbuf_discard_dynptr(&ptr, 0);
+	return 0;
+}
+
+/* Can't add a dynptr to a map */
+SEC("?raw_tp")
+int add_dynptr_to_map1(void *ctx)
+{
+	struct bpf_dynptr ptr;
+	int key = 0;
+
+	bpf_ringbuf_reserve_dynptr(&ringbuf, val, 0, &ptr);
+
+	/* this should fail */
+	bpf_map_update_elem(&array_map1, &key, &ptr, 0);
+
+	bpf_ringbuf_submit_dynptr(&ptr, 0);
+
+	return 0;
+}
+
+/* Can't add a struct with an embedded dynptr to a map */
+SEC("?raw_tp")
+int add_dynptr_to_map2(void *ctx)
+{
+	struct test_info x;
+	int key = 0;
+
+	bpf_ringbuf_reserve_dynptr(&ringbuf, val, 0, &x.ptr);
+
+	/* this should fail */
+	bpf_map_update_elem(&array_map2, &key, &x, 0);
+
+	bpf_ringbuf_submit_dynptr(&x.ptr, 0);
+
+	return 0;
+}
+
+/* A data slice can't be accessed out of bounds */
+SEC("?raw_tp")
+int data_slice_out_of_bounds_ringbuf(void *ctx)
+{
+	struct bpf_dynptr ptr;
+	void *data;
+
+	bpf_ringbuf_reserve_dynptr(&ringbuf, 8, 0, &ptr);
+
+	data  = bpf_dynptr_data(&ptr, 0, 8);
+	if (!data)
+		goto done;
+
+	/* can't index out of bounds of the data slice */
+	val = *((char *)data + 8);
+
+done:
+	bpf_ringbuf_submit_dynptr(&ptr, 0);
+	return 0;
+}
+
+SEC("?raw_tp")
+int data_slice_out_of_bounds_map_value(void *ctx)
+{
+	__u32 key = 0, map_val;
+	struct bpf_dynptr ptr;
+	void *data;
+
+	get_map_val_dynptr(&ptr);
+
+	data  = bpf_dynptr_data(&ptr, 0, sizeof(map_val));
+	if (!data)
+		return 0;
+
+	/* can't index out of bounds of the data slice */
+	val = *((char *)data + (sizeof(map_val) + 1));
+
+	return 0;
+}
+
+/* A data slice can't be used after it has been released */
+SEC("?raw_tp")
+int data_slice_use_after_release1(void *ctx)
+{
+	struct bpf_dynptr ptr;
+	struct sample *sample;
+
+	bpf_ringbuf_reserve_dynptr(&ringbuf, sizeof(*sample), 0, &ptr);
+	sample = bpf_dynptr_data(&ptr, 0, sizeof(*sample));
+	if (!sample)
+		goto done;
+
+	sample->pid = 123;
+
+	bpf_ringbuf_submit_dynptr(&ptr, 0);
+
+	/* this should fail */
+	val = sample->pid;
+
+	return 0;
+
+done:
+	bpf_ringbuf_discard_dynptr(&ptr, 0);
+	return 0;
+}
+
+/* A data slice can't be used after it has been released.
+ *
+ * This tests the case where the data slice tracks a dynptr (ptr2)
+ * that is at a non-zero offset from the frame pointer (ptr1 is at fp,
+ * ptr2 is at fp - 16).
+ */
+SEC("?raw_tp")
+int data_slice_use_after_release2(void *ctx)
+{
+	struct bpf_dynptr ptr1, ptr2;
+	struct sample *sample;
+
+	bpf_ringbuf_reserve_dynptr(&ringbuf, 64, 0, &ptr1);
+	bpf_ringbuf_reserve_dynptr(&ringbuf, sizeof(*sample), 0, &ptr2);
+
+	sample = bpf_dynptr_data(&ptr2, 0, sizeof(*sample));
+	if (!sample)
+		goto done;
+
+	sample->pid = 23;
+
+	bpf_ringbuf_submit_dynptr(&ptr2, 0);
+
+	/* this should fail */
+	sample->pid = 23;
+
+	bpf_ringbuf_submit_dynptr(&ptr1, 0);
+
+	return 0;
+
+done:
+	bpf_ringbuf_discard_dynptr(&ptr2, 0);
+	bpf_ringbuf_discard_dynptr(&ptr1, 0);
+	return 0;
+}
+
+/* A data slice must be first checked for NULL */
+SEC("?raw_tp")
+int data_slice_missing_null_check1(void *ctx)
+{
+	struct bpf_dynptr ptr;
+	void *data;
+
+	bpf_ringbuf_reserve_dynptr(&ringbuf, 8, 0, &ptr);
+
+	data  = bpf_dynptr_data(&ptr, 0, 8);
+
+	/* missing if (!data) check */
+
+	/* this should fail */
+	*(__u8 *)data = 3;
+
+	bpf_ringbuf_submit_dynptr(&ptr, 0);
+	return 0;
+}
+
+/* A data slice can't be dereferenced if it wasn't checked for null */
+SEC("?raw_tp")
+int data_slice_missing_null_check2(void *ctx)
+{
+	struct bpf_dynptr ptr;
+	__u64 *data1, *data2;
+
+	bpf_ringbuf_reserve_dynptr(&ringbuf, 16, 0, &ptr);
+
+	data1 = bpf_dynptr_data(&ptr, 0, 8);
+	data2 = bpf_dynptr_data(&ptr, 0, 8);
+	if (data1)
+		/* this should fail */
+		*data2 = 3;
+
+done:
+	bpf_ringbuf_discard_dynptr(&ptr, 0);
+	return 0;
+}
+
+/* Can't pass in a dynptr as an arg to a helper function that doesn't take in a
+ * dynptr argument
+ */
+SEC("?raw_tp")
+int invalid_helper1(void *ctx)
+{
+	struct bpf_dynptr ptr;
+
+	get_map_val_dynptr(&ptr);
+
+	/* this should fail */
+	bpf_strncmp((const char *)&ptr, sizeof(ptr), "hello!");
+
+	return 0;
+}
+
+/* A dynptr can't be passed into a helper function at a non-zero offset */
+SEC("?raw_tp")
+int invalid_helper2(void *ctx)
+{
+	struct bpf_dynptr ptr;
+	char read_data[64];
+
+	get_map_val_dynptr(&ptr);
+
+	/* this should fail */
+	bpf_dynptr_read(read_data, sizeof(read_data), (void *)&ptr + 8, 0, 0);
+
+	return 0;
+}
+
+/* A bpf_dynptr is invalidated if it's been written into */
+SEC("?raw_tp")
+int invalid_write1(void *ctx)
+{
+	struct bpf_dynptr ptr;
+	void *data;
+	__u8 x = 0;
+
+	get_map_val_dynptr(&ptr);
+
+	memcpy(&ptr, &x, sizeof(x));
+
+	/* this should fail */
+	data = bpf_dynptr_data(&ptr, 0, 1);
+
+	return 0;
+}
+
+/*
+ * A bpf_dynptr can't be used as a dynptr if it has been written into at a fixed
+ * offset
+ */
+SEC("?raw_tp")
+int invalid_write2(void *ctx)
+{
+	struct bpf_dynptr ptr;
+	char read_data[64];
+	__u8 x = 0;
+
+	bpf_ringbuf_reserve_dynptr(&ringbuf, 64, 0, &ptr);
+
+	memcpy((void *)&ptr + 8, &x, sizeof(x));
+
+	/* this should fail */
+	bpf_dynptr_read(read_data, sizeof(read_data), &ptr, 0, 0);
+
+	bpf_ringbuf_submit_dynptr(&ptr, 0);
+
+	return 0;
+}
+
+/*
+ * A bpf_dynptr can't be used as a dynptr if it has been written into at a
+ * non-const offset
+ */
+SEC("?raw_tp")
+int invalid_write3(void *ctx)
+{
+	struct bpf_dynptr ptr;
+	char stack_buf[16];
+	unsigned long len;
+	__u8 x = 0;
+
+	bpf_ringbuf_reserve_dynptr(&ringbuf, 8, 0, &ptr);
+
+	memcpy(stack_buf, &val, sizeof(val));
+	len = stack_buf[0] & 0xf;
+
+	memcpy((void *)&ptr + len, &x, sizeof(x));
+
+	/* this should fail */
+	bpf_ringbuf_submit_dynptr(&ptr, 0);
+
+	return 0;
+}
+
+static int invalid_write4_callback(__u32 index, void *data)
+{
+	*(__u32 *)data = 123;
+
+	return 0;
+}
+
+/* If the dynptr is written into in a callback function, it should
+ * be invalidated as a dynptr
+ */
+SEC("?raw_tp")
+int invalid_write4(void *ctx)
+{
+	struct bpf_dynptr ptr;
+
+	bpf_ringbuf_reserve_dynptr(&ringbuf, 64, 0, &ptr);
+
+	bpf_loop(10, invalid_write4_callback, &ptr, 0);
+
+	/* this should fail */
+	bpf_ringbuf_submit_dynptr(&ptr, 0);
+
+	return 0;
+}
+
+/* A globally-defined bpf_dynptr can't be used (it must reside as a stack frame) */
+struct bpf_dynptr global_dynptr;
+SEC("?raw_tp")
+int global(void *ctx)
+{
+	/* this should fail */
+	bpf_ringbuf_reserve_dynptr(&ringbuf, 16, 0, &global_dynptr);
+
+	bpf_ringbuf_discard_dynptr(&global_dynptr, 0);
+
+	return 0;
+}
+
+/* A direct read should fail */
+SEC("?raw_tp")
+int invalid_read1(void *ctx)
+{
+	struct bpf_dynptr ptr;
+
+	bpf_ringbuf_reserve_dynptr(&ringbuf, 64, 0, &ptr);
+
+	/* this should fail */
+	val = *(int *)&ptr;
+
+	bpf_ringbuf_discard_dynptr(&ptr, 0);
+
+	return 0;
+}
+
+/* A direct read at an offset should fail */
+SEC("?raw_tp")
+int invalid_read2(void *ctx)
+{
+	struct bpf_dynptr ptr;
+	char read_data[64];
+
+	get_map_val_dynptr(&ptr);
+
+	/* this should fail */
+	bpf_dynptr_read(read_data, sizeof(read_data), (void *)&ptr + 1, 0, 0);
+
+	return 0;
+}
+
+/* A direct read at an offset into the lower stack slot should fail */
+SEC("?raw_tp")
+int invalid_read3(void *ctx)
+{
+	struct bpf_dynptr ptr1, ptr2;
+
+	bpf_ringbuf_reserve_dynptr(&ringbuf, 16, 0, &ptr1);
+	bpf_ringbuf_reserve_dynptr(&ringbuf, 16, 0, &ptr2);
+
+	/* this should fail */
+	memcpy(&val, (void *)&ptr1 + 8, sizeof(val));
+
+	bpf_ringbuf_discard_dynptr(&ptr1, 0);
+	bpf_ringbuf_discard_dynptr(&ptr2, 0);
+
+	return 0;
+}
+
+static int invalid_read4_callback(__u32 index, void *data)
+{
+	/* this should fail */
+	val = *(__u32 *)data;
+
+	return 0;
+}
+
+/* A direct read within a callback function should fail */
+SEC("?raw_tp")
+int invalid_read4(void *ctx)
+{
+	struct bpf_dynptr ptr;
+
+	bpf_ringbuf_reserve_dynptr(&ringbuf, 64, 0, &ptr);
+
+	bpf_loop(10, invalid_read4_callback, &ptr, 0);
+
+	bpf_ringbuf_submit_dynptr(&ptr, 0);
+
+	return 0;
+}
+
+/* Initializing a dynptr on an offset should fail */
+SEC("?raw_tp")
+int invalid_offset(void *ctx)
+{
+	struct bpf_dynptr ptr;
+
+	/* this should fail */
+	bpf_ringbuf_reserve_dynptr(&ringbuf, 64, 0, &ptr + 1);
+
+	bpf_ringbuf_discard_dynptr(&ptr, 0);
+
+	return 0;
+}
+
+/* Can't release a dynptr twice */
+SEC("?raw_tp")
+int release_twice(void *ctx)
+{
+	struct bpf_dynptr ptr;
+
+	bpf_ringbuf_reserve_dynptr(&ringbuf, 16, 0, &ptr);
+
+	bpf_ringbuf_discard_dynptr(&ptr, 0);
+
+	/* this second release should fail */
+	bpf_ringbuf_discard_dynptr(&ptr, 0);
+
+	return 0;
+}
+
+static int release_twice_callback_fn(__u32 index, void *data)
+{
+	/* this should fail */
+	bpf_ringbuf_discard_dynptr(data, 0);
+
+	return 0;
+}
+
+/* Test that releasing a dynptr twice, where one of the releases happens
+ * within a calback function, fails
+ */
+SEC("?raw_tp")
+int release_twice_callback(void *ctx)
+{
+	struct bpf_dynptr ptr;
+
+	bpf_ringbuf_reserve_dynptr(&ringbuf, 32, 0, &ptr);
+
+	bpf_ringbuf_discard_dynptr(&ptr, 0);
+
+	bpf_loop(10, release_twice_callback_fn, &ptr, 0);
+
+	return 0;
+}
+
+/* Reject unsupported local mem types for dynptr_from_mem API */
+SEC("?raw_tp")
+int dynptr_from_mem_invalid_api(void *ctx)
+{
+	struct bpf_dynptr ptr;
+	int x = 0;
+
+	/* this should fail */
+	bpf_dynptr_from_mem(&x, sizeof(x), 0, &ptr);
+
+	return 0;
+}
diff --git a/tools/testing/selftests/bpf/progs/dynptr_success.c b/tools/testing/selftests/bpf/progs/dynptr_success.c
new file mode 100644
index 000000000..a3a6103c8
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/dynptr_success.c
@@ -0,0 +1,164 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2022 Facebook */
+
+#include <string.h>
+#include <linux/bpf.h>
+#include <bpf/bpf_helpers.h>
+#include "bpf_misc.h"
+#include "errno.h"
+
+char _license[] SEC("license") = "GPL";
+
+int pid, err, val;
+
+struct sample {
+	int pid;
+	int seq;
+	long value;
+	char comm[16];
+};
+
+struct {
+	__uint(type, BPF_MAP_TYPE_RINGBUF);
+} ringbuf SEC(".maps");
+
+struct {
+	__uint(type, BPF_MAP_TYPE_ARRAY);
+	__uint(max_entries, 1);
+	__type(key, __u32);
+	__type(value, __u32);
+} array_map SEC(".maps");
+
+SEC("tp/syscalls/sys_enter_nanosleep")
+int test_read_write(void *ctx)
+{
+	char write_data[64] = "hello there, world!!";
+	char read_data[64] = {}, buf[64] = {};
+	struct bpf_dynptr ptr;
+	int i;
+
+	if (bpf_get_current_pid_tgid() >> 32 != pid)
+		return 0;
+
+	bpf_ringbuf_reserve_dynptr(&ringbuf, sizeof(write_data), 0, &ptr);
+
+	/* Write data into the dynptr */
+	err = bpf_dynptr_write(&ptr, 0, write_data, sizeof(write_data), 0);
+
+	/* Read the data that was written into the dynptr */
+	err = err ?: bpf_dynptr_read(read_data, sizeof(read_data), &ptr, 0, 0);
+
+	/* Ensure the data we read matches the data we wrote */
+	for (i = 0; i < sizeof(read_data); i++) {
+		if (read_data[i] != write_data[i]) {
+			err = 1;
+			break;
+		}
+	}
+
+	bpf_ringbuf_discard_dynptr(&ptr, 0);
+	return 0;
+}
+
+SEC("tp/syscalls/sys_enter_nanosleep")
+int test_data_slice(void *ctx)
+{
+	__u32 key = 0, val = 235, *map_val;
+	struct bpf_dynptr ptr;
+	__u32 map_val_size;
+	void *data;
+
+	map_val_size = sizeof(*map_val);
+
+	if (bpf_get_current_pid_tgid() >> 32 != pid)
+		return 0;
+
+	bpf_map_update_elem(&array_map, &key, &val, 0);
+
+	map_val = bpf_map_lookup_elem(&array_map, &key);
+	if (!map_val) {
+		err = 1;
+		return 0;
+	}
+
+	bpf_dynptr_from_mem(map_val, map_val_size, 0, &ptr);
+
+	/* Try getting a data slice that is out of range */
+	data = bpf_dynptr_data(&ptr, map_val_size + 1, 1);
+	if (data) {
+		err = 2;
+		return 0;
+	}
+
+	/* Try getting more bytes than available */
+	data = bpf_dynptr_data(&ptr, 0, map_val_size + 1);
+	if (data) {
+		err = 3;
+		return 0;
+	}
+
+	data = bpf_dynptr_data(&ptr, 0, sizeof(__u32));
+	if (!data) {
+		err = 4;
+		return 0;
+	}
+
+	*(__u32 *)data = 999;
+
+	err = bpf_probe_read_kernel(&val, sizeof(val), data);
+	if (err)
+		return 0;
+
+	if (val != *(int *)data)
+		err = 5;
+
+	return 0;
+}
+
+static int ringbuf_callback(__u32 index, void *data)
+{
+	struct sample *sample;
+
+	struct bpf_dynptr *ptr = (struct bpf_dynptr *)data;
+
+	sample = bpf_dynptr_data(ptr, 0, sizeof(*sample));
+	if (!sample)
+		err = 2;
+	else
+		sample->pid += index;
+
+	return 0;
+}
+
+SEC("tp/syscalls/sys_enter_nanosleep")
+int test_ringbuf(void *ctx)
+{
+	struct bpf_dynptr ptr;
+	struct sample *sample;
+
+	if (bpf_get_current_pid_tgid() >> 32 != pid)
+		return 0;
+
+	val = 100;
+
+	/* check that you can reserve a dynamic size reservation */
+	err = bpf_ringbuf_reserve_dynptr(&ringbuf, val, 0, &ptr);
+
+	sample = err ? NULL : bpf_dynptr_data(&ptr, 0, sizeof(*sample));
+	if (!sample) {
+		err = 1;
+		goto done;
+	}
+
+	sample->pid = 10;
+
+	/* Can pass dynptr to callback functions */
+	bpf_loop(10, ringbuf_callback, &ptr, 0);
+
+	if (sample->pid != 55)
+		err = 2;
+
+done:
+	bpf_ringbuf_discard_dynptr(&ptr, 0);
+	return 0;
+}
diff --git a/tools/testing/selftests/bpf/progs/empty_skb.c b/tools/testing/selftests/bpf/progs/empty_skb.c
new file mode 100644
index 000000000..4b0cd6753
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/empty_skb.c
@@ -0,0 +1,37 @@
+// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
+#include <linux/bpf.h>
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_endian.h>
+
+char _license[] SEC("license") = "GPL";
+
+int ifindex;
+int ret;
+
+SEC("lwt_xmit")
+int redirect_ingress(struct __sk_buff *skb)
+{
+	ret = bpf_clone_redirect(skb, ifindex, BPF_F_INGRESS);
+	return 0;
+}
+
+SEC("lwt_xmit")
+int redirect_egress(struct __sk_buff *skb)
+{
+	ret = bpf_clone_redirect(skb, ifindex, 0);
+	return 0;
+}
+
+SEC("tc")
+int tc_redirect_ingress(struct __sk_buff *skb)
+{
+	ret = bpf_clone_redirect(skb, ifindex, BPF_F_INGRESS);
+	return 0;
+}
+
+SEC("tc")
+int tc_redirect_egress(struct __sk_buff *skb)
+{
+	ret = bpf_clone_redirect(skb, ifindex, 0);
+	return 0;
+}
diff --git a/tools/testing/selftests/bpf/progs/exhandler_kern.c b/tools/testing/selftests/bpf/progs/exhandler_kern.c
new file mode 100644
index 000000000..20d009e2d
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/exhandler_kern.c
@@ -0,0 +1,52 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2021, Oracle and/or its affiliates. */
+
+#include "vmlinux.h"
+
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_tracing.h>
+#include <bpf/bpf_core_read.h>
+
+char _license[] SEC("license") = "GPL";
+
+unsigned int exception_triggered;
+int test_pid;
+
+/* TRACE_EVENT(task_newtask,
+ *         TP_PROTO(struct task_struct *p, u64 clone_flags)
+ */
+SEC("tp_btf/task_newtask")
+int BPF_PROG(trace_task_newtask, struct task_struct *task, u64 clone_flags)
+{
+	int pid = bpf_get_current_pid_tgid() >> 32;
+	struct callback_head *work;
+	void *func;
+
+	if (test_pid != pid)
+		return 0;
+
+	/* To verify we hit an exception we dereference task->task_works->func.
+	 * If task work has been added,
+	 * - task->task_works is non-NULL; and
+	 * - task->task_works->func is non-NULL also (the callback function
+	 *   must be specified for the task work.
+	 *
+	 * However, for a newly-created task, task->task_works is NULLed,
+	 * so we know the exception handler triggered if task_works is
+	 * NULL and func is NULL.
+	 */
+	work = task->task_works;
+	func = work->func;
+	/* Currently verifier will fail for `btf_ptr |= btf_ptr` * instruction.
+	 * To workaround the issue, use barrier_var() and rewrite as below to
+	 * prevent compiler from generating verifier-unfriendly code.
+	 */
+	barrier_var(work);
+	if (work)
+		return 0;
+	barrier_var(func);
+	if (func)
+		return 0;
+	exception_triggered++;
+	return 0;
+}
diff --git a/tools/testing/selftests/bpf/progs/fentry_test.c b/tools/testing/selftests/bpf/progs/fentry_test.c
new file mode 100644
index 000000000..52a550d28
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/fentry_test.c
@@ -0,0 +1,79 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2019 Facebook */
+#include <linux/bpf.h>
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_tracing.h>
+
+char _license[] SEC("license") = "GPL";
+
+__u64 test1_result = 0;
+SEC("fentry/bpf_fentry_test1")
+int BPF_PROG(test1, int a)
+{
+	test1_result = a == 1;
+	return 0;
+}
+
+__u64 test2_result = 0;
+SEC("fentry/bpf_fentry_test2")
+int BPF_PROG(test2, int a, __u64 b)
+{
+	test2_result = a == 2 && b == 3;
+	return 0;
+}
+
+__u64 test3_result = 0;
+SEC("fentry/bpf_fentry_test3")
+int BPF_PROG(test3, char a, int b, __u64 c)
+{
+	test3_result = a == 4 && b == 5 && c == 6;
+	return 0;
+}
+
+__u64 test4_result = 0;
+SEC("fentry/bpf_fentry_test4")
+int BPF_PROG(test4, void *a, char b, int c, __u64 d)
+{
+	test4_result = a == (void *)7 && b == 8 && c == 9 && d == 10;
+	return 0;
+}
+
+__u64 test5_result = 0;
+SEC("fentry/bpf_fentry_test5")
+int BPF_PROG(test5, __u64 a, void *b, short c, int d, __u64 e)
+{
+	test5_result = a == 11 && b == (void *)12 && c == 13 && d == 14 &&
+		e == 15;
+	return 0;
+}
+
+__u64 test6_result = 0;
+SEC("fentry/bpf_fentry_test6")
+int BPF_PROG(test6, __u64 a, void *b, short c, int d, void * e, __u64 f)
+{
+	test6_result = a == 16 && b == (void *)17 && c == 18 && d == 19 &&
+		e == (void *)20 && f == 21;
+	return 0;
+}
+
+struct bpf_fentry_test_t {
+	struct bpf_fentry_test_t *a;
+};
+
+__u64 test7_result = 0;
+SEC("fentry/bpf_fentry_test7")
+int BPF_PROG(test7, struct bpf_fentry_test_t *arg)
+{
+	if (!arg)
+		test7_result = 1;
+	return 0;
+}
+
+__u64 test8_result = 0;
+SEC("fentry/bpf_fentry_test8")
+int BPF_PROG(test8, struct bpf_fentry_test_t *arg)
+{
+	if (arg->a == 0)
+		test8_result = 1;
+	return 0;
+}
diff --git a/tools/testing/selftests/bpf/progs/fexit_bpf2bpf.c b/tools/testing/selftests/bpf/progs/fexit_bpf2bpf.c
new file mode 100644
index 000000000..4547b059d
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/fexit_bpf2bpf.c
@@ -0,0 +1,181 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2019 Facebook */
+#include <linux/stddef.h>
+#include <linux/if_ether.h>
+#include <linux/ipv6.h>
+#include <linux/bpf.h>
+#include <linux/tcp.h>
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_endian.h>
+#include <bpf/bpf_tracing.h>
+
+struct sk_buff {
+	unsigned int len;
+};
+
+__u64 test_result = 0;
+SEC("fexit/test_pkt_access")
+int BPF_PROG(test_main, struct sk_buff *skb, int ret)
+{
+	int len;
+
+	__builtin_preserve_access_index(({
+		len = skb->len;
+	}));
+	if (len != 74 || ret != 0)
+		return 0;
+	test_result = 1;
+	return 0;
+}
+
+__u64 test_result_subprog1 = 0;
+SEC("fexit/test_pkt_access_subprog1")
+int BPF_PROG(test_subprog1, struct sk_buff *skb, int ret)
+{
+	int len;
+
+	__builtin_preserve_access_index(({
+		len = skb->len;
+	}));
+	if (len != 74 || ret != 148)
+		return 0;
+	test_result_subprog1 = 1;
+	return 0;
+}
+
+/* Though test_pkt_access_subprog2() is defined in C as:
+ * static __attribute__ ((noinline))
+ * int test_pkt_access_subprog2(int val, volatile struct __sk_buff *skb)
+ * {
+ *     return skb->len * val;
+ * }
+ * llvm optimizations remove 'int val' argument and generate BPF assembly:
+ *   r0 = *(u32 *)(r1 + 0)
+ *   w0 <<= 1
+ *   exit
+ * In such case the verifier falls back to conservative and
+ * tracing program can access arguments and return value as u64
+ * instead of accurate types.
+ */
+struct args_subprog2 {
+	__u64 args[5];
+	__u64 ret;
+};
+__u64 test_result_subprog2 = 0;
+SEC("fexit/test_pkt_access_subprog2")
+int test_subprog2(struct args_subprog2 *ctx)
+{
+	struct sk_buff *skb = (void *)ctx->args[0];
+	__u64 ret;
+	int len;
+
+	bpf_probe_read_kernel(&len, sizeof(len),
+			      __builtin_preserve_access_index(&skb->len));
+
+	ret = ctx->ret;
+	/* bpf_prog_test_load() loads "test_pkt_access.bpf.o" with
+	 * BPF_F_TEST_RND_HI32 which randomizes upper 32 bits after BPF_ALU32
+	 * insns. Hence after 'w0 <<= 1' upper bits of $rax are random. That is
+	 * expected and correct. Trim them.
+	 */
+	ret = (__u32) ret;
+	if (len != 74 || ret != 148)
+		return 0;
+	test_result_subprog2 = 1;
+	return 0;
+}
+
+__u64 test_result_subprog3 = 0;
+SEC("fexit/test_pkt_access_subprog3")
+int BPF_PROG(test_subprog3, int val, struct sk_buff *skb, int ret)
+{
+	int len;
+
+	__builtin_preserve_access_index(({
+		len = skb->len;
+	}));
+	if (len != 74 || ret != 74 * val || val != 3)
+		return 0;
+	test_result_subprog3 = 1;
+	return 0;
+}
+
+__u64 test_get_skb_len = 0;
+SEC("freplace/get_skb_len")
+int new_get_skb_len(struct __sk_buff *skb)
+{
+	int len = skb->len;
+
+	if (len != 74)
+		return 0;
+	test_get_skb_len = 1;
+	return 74; /* original get_skb_len() returns skb->len */
+}
+
+__u64 test_get_skb_ifindex = 0;
+SEC("freplace/get_skb_ifindex")
+int new_get_skb_ifindex(int val, struct __sk_buff *skb, int var)
+{
+	void *data_end = (void *)(long)skb->data_end;
+	void *data = (void *)(long)skb->data;
+	struct ipv6hdr ip6, *ip6p;
+	int ifindex = skb->ifindex;
+	__u32 eth_proto;
+	__u32 nh_off;
+
+	/* check that BPF extension can read packet via direct packet access */
+	if (data + 14 + sizeof(ip6) > data_end)
+		return 0;
+	ip6p = data + 14;
+
+	if (ip6p->nexthdr != 6 || ip6p->payload_len != __bpf_constant_htons(123))
+		return 0;
+
+	/* check that legacy packet access helper works too */
+	if (bpf_skb_load_bytes(skb, 14, &ip6, sizeof(ip6)) < 0)
+		return 0;
+	ip6p = &ip6;
+	if (ip6p->nexthdr != 6 || ip6p->payload_len != __bpf_constant_htons(123))
+		return 0;
+
+	if (ifindex != 1 || val != 3 || var != 1)
+		return 0;
+	test_get_skb_ifindex = 1;
+	return 3; /* original get_skb_ifindex() returns val * ifindex * var */
+}
+
+volatile __u64 test_get_constant = 0;
+SEC("freplace/get_constant")
+int new_get_constant(long val)
+{
+	if (val != 123)
+		return 0;
+	test_get_constant = 1;
+	return test_get_constant; /* original get_constant() returns val - 122 */
+}
+
+__u64 test_pkt_write_access_subprog = 0;
+SEC("freplace/test_pkt_write_access_subprog")
+int new_test_pkt_write_access_subprog(struct __sk_buff *skb, __u32 off)
+{
+
+	void *data = (void *)(long)skb->data;
+	void *data_end = (void *)(long)skb->data_end;
+	struct tcphdr *tcp;
+
+	if (off > sizeof(struct ethhdr) + sizeof(struct ipv6hdr))
+		return -1;
+
+	tcp = data + off;
+	if (tcp + 1 > data_end)
+		return -1;
+
+	/* make modifications to the packet data */
+	tcp->check++;
+	tcp->syn = 0;
+
+	test_pkt_write_access_subprog = 1;
+	return 0;
+}
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/fexit_bpf2bpf_simple.c b/tools/testing/selftests/bpf/progs/fexit_bpf2bpf_simple.c
new file mode 100644
index 000000000..85c0b516d
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/fexit_bpf2bpf_simple.c
@@ -0,0 +1,27 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2019 Facebook */
+#include <linux/bpf.h>
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_tracing.h>
+
+struct sk_buff {
+	unsigned int len;
+};
+
+__u64 test_result = 0;
+
+SEC("fexit/test_pkt_md_access")
+int BPF_PROG(test_main2, struct sk_buff *skb, int ret)
+{
+	int len;
+
+	__builtin_preserve_access_index(({
+		len = skb->len;
+	}));
+	if (len != 74 || ret != 0)
+		return 0;
+
+	test_result = 1;
+	return 0;
+}
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/fexit_sleep.c b/tools/testing/selftests/bpf/progs/fexit_sleep.c
new file mode 100644
index 000000000..106dc75ef
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/fexit_sleep.c
@@ -0,0 +1,32 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2021 Facebook */
+#include "vmlinux.h"
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_tracing.h>
+#include "bpf_misc.h"
+
+char LICENSE[] SEC("license") = "GPL";
+
+int pid = 0;
+int fentry_cnt = 0;
+int fexit_cnt = 0;
+
+SEC("fentry/" SYS_PREFIX "sys_nanosleep")
+int nanosleep_fentry(void *ctx)
+{
+	if (bpf_get_current_pid_tgid() >> 32 != pid)
+		return 0;
+
+	fentry_cnt++;
+	return 0;
+}
+
+SEC("fexit/" SYS_PREFIX "sys_nanosleep")
+int nanosleep_fexit(void *ctx)
+{
+	if (bpf_get_current_pid_tgid() >> 32 != pid)
+		return 0;
+
+	fexit_cnt++;
+	return 0;
+}
diff --git a/tools/testing/selftests/bpf/progs/fexit_test.c b/tools/testing/selftests/bpf/progs/fexit_test.c
new file mode 100644
index 000000000..8f1ccb730
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/fexit_test.c
@@ -0,0 +1,80 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2019 Facebook */
+#include <linux/bpf.h>
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_tracing.h>
+
+char _license[] SEC("license") = "GPL";
+
+__u64 test1_result = 0;
+SEC("fexit/bpf_fentry_test1")
+int BPF_PROG(test1, int a, int ret)
+{
+	test1_result = a == 1 && ret == 2;
+	return 0;
+}
+
+__u64 test2_result = 0;
+SEC("fexit/bpf_fentry_test2")
+int BPF_PROG(test2, int a, __u64 b, int ret)
+{
+	test2_result = a == 2 && b == 3 && ret == 5;
+	return 0;
+}
+
+__u64 test3_result = 0;
+SEC("fexit/bpf_fentry_test3")
+int BPF_PROG(test3, char a, int b, __u64 c, int ret)
+{
+	test3_result = a == 4 && b == 5 && c == 6 && ret == 15;
+	return 0;
+}
+
+__u64 test4_result = 0;
+SEC("fexit/bpf_fentry_test4")
+int BPF_PROG(test4, void *a, char b, int c, __u64 d, int ret)
+{
+	test4_result = a == (void *)7 && b == 8 && c == 9 && d == 10 &&
+		ret == 34;
+	return 0;
+}
+
+__u64 test5_result = 0;
+SEC("fexit/bpf_fentry_test5")
+int BPF_PROG(test5, __u64 a, void *b, short c, int d, __u64 e, int ret)
+{
+	test5_result = a == 11 && b == (void *)12 && c == 13 && d == 14 &&
+		e == 15 && ret == 65;
+	return 0;
+}
+
+__u64 test6_result = 0;
+SEC("fexit/bpf_fentry_test6")
+int BPF_PROG(test6, __u64 a, void *b, short c, int d, void *e, __u64 f, int ret)
+{
+	test6_result = a == 16 && b == (void *)17 && c == 18 && d == 19 &&
+		e == (void *)20 && f == 21 && ret == 111;
+	return 0;
+}
+
+struct bpf_fentry_test_t {
+	struct bpf_fentry_test *a;
+};
+
+__u64 test7_result = 0;
+SEC("fexit/bpf_fentry_test7")
+int BPF_PROG(test7, struct bpf_fentry_test_t *arg)
+{
+	if (!arg)
+		test7_result = 1;
+	return 0;
+}
+
+__u64 test8_result = 0;
+SEC("fexit/bpf_fentry_test8")
+int BPF_PROG(test8, struct bpf_fentry_test_t *arg)
+{
+	if (!arg->a)
+		test8_result = 1;
+	return 0;
+}
diff --git a/tools/testing/selftests/bpf/progs/find_vma.c b/tools/testing/selftests/bpf/progs/find_vma.c
new file mode 100644
index 000000000..38034fb82
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/find_vma.c
@@ -0,0 +1,69 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2021 Facebook */
+#include "vmlinux.h"
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_tracing.h>
+
+char _license[] SEC("license") = "GPL";
+
+struct callback_ctx {
+	int dummy;
+};
+
+#define VM_EXEC		0x00000004
+#define DNAME_INLINE_LEN 32
+
+pid_t target_pid = 0;
+char d_iname[DNAME_INLINE_LEN] = {0};
+__u32 found_vm_exec = 0;
+__u64 addr = 0;
+int find_zero_ret = -1;
+int find_addr_ret = -1;
+
+static long check_vma(struct task_struct *task, struct vm_area_struct *vma,
+		      struct callback_ctx *data)
+{
+	if (vma->vm_file)
+		bpf_probe_read_kernel_str(d_iname, DNAME_INLINE_LEN - 1,
+					  vma->vm_file->f_path.dentry->d_iname);
+
+	/* check for VM_EXEC */
+	if (vma->vm_flags & VM_EXEC)
+		found_vm_exec = 1;
+
+	return 0;
+}
+
+SEC("raw_tp/sys_enter")
+int handle_getpid(void)
+{
+	struct task_struct *task = bpf_get_current_task_btf();
+	struct callback_ctx data = {};
+
+	if (task->pid != target_pid)
+		return 0;
+
+	find_addr_ret = bpf_find_vma(task, addr, check_vma, &data, 0);
+
+	/* this should return -ENOENT */
+	find_zero_ret = bpf_find_vma(task, 0, check_vma, &data, 0);
+	return 0;
+}
+
+SEC("perf_event")
+int handle_pe(void)
+{
+	struct task_struct *task = bpf_get_current_task_btf();
+	struct callback_ctx data = {};
+
+	if (task->pid != target_pid)
+		return 0;
+
+	find_addr_ret = bpf_find_vma(task, addr, check_vma, &data, 0);
+
+	/* In NMI, this should return -EBUSY, as the previous call is using
+	 * the irq_work.
+	 */
+	find_zero_ret = bpf_find_vma(task, 0, check_vma, &data, 0);
+	return 0;
+}
diff --git a/tools/testing/selftests/bpf/progs/find_vma_fail1.c b/tools/testing/selftests/bpf/progs/find_vma_fail1.c
new file mode 100644
index 000000000..6dab9cffd
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/find_vma_fail1.c
@@ -0,0 +1,30 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2021 Facebook */
+#include "vmlinux.h"
+#include <bpf/bpf_helpers.h>
+#define vm_flags vm_start
+
+char _license[] SEC("license") = "GPL";
+
+struct callback_ctx {
+	int dummy;
+};
+
+static long write_vma(struct task_struct *task, struct vm_area_struct *vma,
+		      struct callback_ctx *data)
+{
+	/* writing to vma, which is illegal */
+	vma->vm_flags |= 0x55;
+
+	return 0;
+}
+
+SEC("raw_tp/sys_enter")
+int handle_getpid(void)
+{
+	struct task_struct *task = bpf_get_current_task_btf();
+	struct callback_ctx data = {};
+
+	bpf_find_vma(task, 0, write_vma, &data, 0);
+	return 0;
+}
diff --git a/tools/testing/selftests/bpf/progs/find_vma_fail2.c b/tools/testing/selftests/bpf/progs/find_vma_fail2.c
new file mode 100644
index 000000000..9bcf3203e
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/find_vma_fail2.c
@@ -0,0 +1,29 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2021 Facebook */
+#include "vmlinux.h"
+#include <bpf/bpf_helpers.h>
+
+char _license[] SEC("license") = "GPL";
+
+struct callback_ctx {
+	int dummy;
+};
+
+static long write_task(struct task_struct *task, struct vm_area_struct *vma,
+		       struct callback_ctx *data)
+{
+	/* writing to task, which is illegal */
+	task->mm = NULL;
+
+	return 0;
+}
+
+SEC("raw_tp/sys_enter")
+int handle_getpid(void)
+{
+	struct task_struct *task = bpf_get_current_task_btf();
+	struct callback_ctx data = {};
+
+	bpf_find_vma(task, 0, write_task, &data, 0);
+	return 0;
+}
diff --git a/tools/testing/selftests/bpf/progs/fmod_ret_freplace.c b/tools/testing/selftests/bpf/progs/fmod_ret_freplace.c
new file mode 100644
index 000000000..c8943ccee
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/fmod_ret_freplace.c
@@ -0,0 +1,14 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <linux/bpf.h>
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_tracing.h>
+
+volatile __u64 test_fmod_ret = 0;
+SEC("fmod_ret/security_new_get_constant")
+int BPF_PROG(fmod_ret_test, long val, int ret)
+{
+	test_fmod_ret = 1;
+	return 120;
+}
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/for_each_array_map_elem.c b/tools/testing/selftests/bpf/progs/for_each_array_map_elem.c
new file mode 100644
index 000000000..52f6995ff
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/for_each_array_map_elem.c
@@ -0,0 +1,73 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2021 Facebook */
+#include "vmlinux.h"
+#include <bpf/bpf_helpers.h>
+
+char _license[] SEC("license") = "GPL";
+
+struct {
+	__uint(type, BPF_MAP_TYPE_ARRAY);
+	__uint(max_entries, 3);
+	__type(key, __u32);
+	__type(value, __u64);
+} arraymap SEC(".maps");
+
+struct {
+	__uint(type, BPF_MAP_TYPE_PERCPU_ARRAY);
+	__uint(max_entries, 1);
+	__type(key, __u32);
+	__type(value, __u64);
+} percpu_map SEC(".maps");
+
+struct callback_ctx {
+	int output;
+};
+
+const volatile int bypass_unused = 1;
+
+static __u64
+unused_subprog(struct bpf_map *map, __u32 *key, __u64 *val,
+	       struct callback_ctx *data)
+{
+	data->output = 0;
+	return 1;
+}
+
+static __u64
+check_array_elem(struct bpf_map *map, __u32 *key, __u64 *val,
+		 struct callback_ctx *data)
+{
+	data->output += *val;
+	if (*key == 1)
+		return 1; /* stop the iteration */
+	return 0;
+}
+
+__u32 cpu = 0;
+__u64 percpu_val = 0;
+
+static __u64
+check_percpu_elem(struct bpf_map *map, __u32 *key, __u64 *val,
+		  struct callback_ctx *data)
+{
+	cpu = bpf_get_smp_processor_id();
+	percpu_val = *val;
+	return 0;
+}
+
+u32 arraymap_output = 0;
+
+SEC("tc")
+int test_pkt_access(struct __sk_buff *skb)
+{
+	struct callback_ctx data;
+
+	data.output = 0;
+	bpf_for_each_map_elem(&arraymap, check_array_elem, &data, 0);
+	if (!bypass_unused)
+		bpf_for_each_map_elem(&arraymap, unused_subprog, &data, 0);
+	arraymap_output = data.output;
+
+	bpf_for_each_map_elem(&percpu_map, check_percpu_elem, (void *)0, 0);
+	return 0;
+}
diff --git a/tools/testing/selftests/bpf/progs/for_each_hash_map_elem.c b/tools/testing/selftests/bpf/progs/for_each_hash_map_elem.c
new file mode 100644
index 000000000..276994d5c
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/for_each_hash_map_elem.c
@@ -0,0 +1,95 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2021 Facebook */
+#include "vmlinux.h"
+#include <bpf/bpf_helpers.h>
+
+char _license[] SEC("license") = "GPL";
+
+struct {
+	__uint(type, BPF_MAP_TYPE_HASH);
+	__uint(max_entries, 3);
+	__type(key, __u32);
+	__type(value, __u64);
+} hashmap SEC(".maps");
+
+struct {
+	__uint(type, BPF_MAP_TYPE_PERCPU_HASH);
+	__uint(max_entries, 1);
+	__type(key, __u32);
+	__type(value, __u64);
+} percpu_map SEC(".maps");
+
+struct callback_ctx {
+	struct __sk_buff *ctx;
+	int input;
+	int output;
+};
+
+static __u64
+check_hash_elem(struct bpf_map *map, __u32 *key, __u64 *val,
+		struct callback_ctx *data)
+{
+	struct __sk_buff *skb = data->ctx;
+	__u32 k;
+	__u64 v;
+
+	if (skb) {
+		k = *key;
+		v = *val;
+		if (skb->len == 10000 && k == 10 && v == 10)
+			data->output = 3; /* impossible path */
+		else
+			data->output = 4;
+	} else {
+		data->output = data->input;
+		bpf_map_delete_elem(map, key);
+	}
+
+	return 0;
+}
+
+__u32 cpu = 0;
+__u32 percpu_called = 0;
+__u32 percpu_key = 0;
+__u64 percpu_val = 0;
+int percpu_output = 0;
+
+static __u64
+check_percpu_elem(struct bpf_map *map, __u32 *key, __u64 *val,
+		  struct callback_ctx *unused)
+{
+	struct callback_ctx data;
+
+	percpu_called++;
+	cpu = bpf_get_smp_processor_id();
+	percpu_key = *key;
+	percpu_val = *val;
+
+	data.ctx = 0;
+	data.input = 100;
+	data.output = 0;
+	bpf_for_each_map_elem(&hashmap, check_hash_elem, &data, 0);
+	percpu_output = data.output;
+
+	return 0;
+}
+
+int hashmap_output = 0;
+int hashmap_elems = 0;
+int percpu_map_elems = 0;
+
+SEC("tc")
+int test_pkt_access(struct __sk_buff *skb)
+{
+	struct callback_ctx data;
+
+	data.ctx = skb;
+	data.input = 10;
+	data.output = 0;
+	hashmap_elems = bpf_for_each_map_elem(&hashmap, check_hash_elem, &data, 0);
+	hashmap_output = data.output;
+
+	percpu_map_elems = bpf_for_each_map_elem(&percpu_map, check_percpu_elem,
+						 (void *)0, 0);
+	return 0;
+}
diff --git a/tools/testing/selftests/bpf/progs/for_each_map_elem_write_key.c b/tools/testing/selftests/bpf/progs/for_each_map_elem_write_key.c
new file mode 100644
index 000000000..8e545865e
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/for_each_map_elem_write_key.c
@@ -0,0 +1,27 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <vmlinux.h>
+#include <bpf/bpf_helpers.h>
+
+struct {
+	__uint(type, BPF_MAP_TYPE_ARRAY);
+	__uint(max_entries, 1);
+	__type(key, __u32);
+	__type(value, __u64);
+} array_map SEC(".maps");
+
+static __u64
+check_array_elem(struct bpf_map *map, __u32 *key, __u64 *val,
+		 void *data)
+{
+	bpf_get_current_comm(key, sizeof(*key));
+	return 0;
+}
+
+SEC("raw_tp/sys_enter")
+int test_map_key_write(const void *ctx)
+{
+	bpf_for_each_map_elem(&array_map, check_array_elem, NULL, 0);
+	return 0;
+}
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/freplace_attach_probe.c b/tools/testing/selftests/bpf/progs/freplace_attach_probe.c
new file mode 100644
index 000000000..bb2a77c5b
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/freplace_attach_probe.c
@@ -0,0 +1,40 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (c) 2020 Facebook
+
+#include <linux/ptrace.h>
+#include <linux/bpf.h>
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_tracing.h>
+
+#define VAR_NUM 2
+
+struct hmap_elem {
+	struct bpf_spin_lock lock;
+	int var[VAR_NUM];
+};
+
+struct {
+	__uint(type, BPF_MAP_TYPE_HASH);
+	__uint(max_entries, 1);
+	__type(key, __u32);
+	__type(value, struct hmap_elem);
+} hash_map SEC(".maps");
+
+SEC("freplace/handle_kprobe")
+int new_handle_kprobe(struct pt_regs *ctx)
+{
+	struct hmap_elem zero = {}, *val;
+	int key = 0;
+
+	val = bpf_map_lookup_elem(&hash_map, &key);
+	if (!val)
+		return 1;
+	/* spin_lock in hash map */
+	bpf_spin_lock(&val->lock);
+	val->var[0] = 99;
+	bpf_spin_unlock(&val->lock);
+
+	return 0;
+}
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/freplace_cls_redirect.c b/tools/testing/selftests/bpf/progs/freplace_cls_redirect.c
new file mode 100644
index 000000000..7e94412d4
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/freplace_cls_redirect.c
@@ -0,0 +1,34 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (c) 2020 Facebook
+
+#include <linux/stddef.h>
+#include <linux/bpf.h>
+#include <linux/pkt_cls.h>
+#include <bpf/bpf_endian.h>
+#include <bpf/bpf_helpers.h>
+
+struct {
+	__uint(type, BPF_MAP_TYPE_SOCKMAP);
+	__type(key, int);
+	__type(value, int);
+	__uint(max_entries, 2);
+} sock_map SEC(".maps");
+
+SEC("freplace/cls_redirect")
+int freplace_cls_redirect_test(struct __sk_buff *skb)
+{
+	int ret = 0;
+	const int zero = 0;
+	struct bpf_sock *sk;
+
+	sk = bpf_map_lookup_elem(&sock_map, &zero);
+	if (!sk)
+		return TC_ACT_SHOT;
+
+	ret = bpf_map_update_elem(&sock_map, &zero, sk, 0);
+	bpf_sk_release(sk);
+
+	return ret == 0 ? TC_ACT_OK : TC_ACT_SHOT;
+}
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/freplace_connect4.c b/tools/testing/selftests/bpf/progs/freplace_connect4.c
new file mode 100644
index 000000000..a0ae84230
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/freplace_connect4.c
@@ -0,0 +1,18 @@
+#include <linux/stddef.h>
+#include <linux/ipv6.h>
+#include <linux/bpf.h>
+#include <linux/in.h>
+#include <sys/socket.h>
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_endian.h>
+
+SEC("freplace/do_bind")
+int new_do_bind(struct bpf_sock_addr *ctx)
+{
+  struct sockaddr_in sa = {};
+
+  bpf_bind(ctx, (struct sockaddr *)&sa, sizeof(sa));
+  return 0;
+}
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/freplace_connect_v4_prog.c b/tools/testing/selftests/bpf/progs/freplace_connect_v4_prog.c
new file mode 100644
index 000000000..544e5ac90
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/freplace_connect_v4_prog.c
@@ -0,0 +1,19 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (c) 2020 Facebook
+
+#include <linux/stddef.h>
+#include <linux/ipv6.h>
+#include <linux/bpf.h>
+#include <linux/in.h>
+#include <sys/socket.h>
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_endian.h>
+
+SEC("freplace/connect_v4_prog")
+int new_connect_v4_prog(struct bpf_sock_addr *ctx)
+{
+	// return value thats in invalid range
+	return 255;
+}
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/freplace_get_constant.c b/tools/testing/selftests/bpf/progs/freplace_get_constant.c
new file mode 100644
index 000000000..705e4b64d
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/freplace_get_constant.c
@@ -0,0 +1,15 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <linux/bpf.h>
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_endian.h>
+
+volatile __u64 test_get_constant = 0;
+SEC("freplace/get_constant")
+int security_new_get_constant(long val)
+{
+	if (val != 123)
+		return 0;
+	test_get_constant = 1;
+	return test_get_constant; /* original get_constant() returns val - 122 */
+}
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/freplace_global_func.c b/tools/testing/selftests/bpf/progs/freplace_global_func.c
new file mode 100644
index 000000000..96cb61a6c
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/freplace_global_func.c
@@ -0,0 +1,18 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <linux/bpf.h>
+#include <bpf/bpf_helpers.h>
+
+__noinline
+int test_ctx_global_func(struct __sk_buff *skb)
+{
+	volatile int retval = 1;
+	return retval;
+}
+
+SEC("freplace/test_pkt_access")
+int new_test_pkt_access(struct __sk_buff *skb)
+{
+	return test_ctx_global_func(skb);
+}
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/get_branch_snapshot.c b/tools/testing/selftests/bpf/progs/get_branch_snapshot.c
new file mode 100644
index 000000000..a1b139888
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/get_branch_snapshot.c
@@ -0,0 +1,40 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2021 Facebook */
+#include "vmlinux.h"
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_tracing.h>
+
+char _license[] SEC("license") = "GPL";
+
+__u64 test1_hits = 0;
+__u64 address_low = 0;
+__u64 address_high = 0;
+int wasted_entries = 0;
+long total_entries = 0;
+
+#define ENTRY_CNT 32
+struct perf_branch_entry entries[ENTRY_CNT] = {};
+
+static inline bool in_range(__u64 val)
+{
+	return (val >= address_low) && (val < address_high);
+}
+
+SEC("fexit/bpf_testmod_loop_test")
+int BPF_PROG(test1, int n, int ret)
+{
+	long i;
+
+	total_entries = bpf_get_branch_snapshot(entries, sizeof(entries), 0);
+	total_entries /= sizeof(struct perf_branch_entry);
+
+	for (i = 0; i < ENTRY_CNT; i++) {
+		if (i >= total_entries)
+			break;
+		if (in_range(entries[i].from) && in_range(entries[i].to))
+			test1_hits++;
+		else if (!test1_hits)
+			wasted_entries++;
+	}
+	return 0;
+}
diff --git a/tools/testing/selftests/bpf/progs/get_cgroup_id_kern.c b/tools/testing/selftests/bpf/progs/get_cgroup_id_kern.c
new file mode 100644
index 000000000..68587b1de
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/get_cgroup_id_kern.c
@@ -0,0 +1,39 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (c) 2018 Facebook
+
+#include <linux/bpf.h>
+#include <bpf/bpf_helpers.h>
+
+struct {
+	__uint(type, BPF_MAP_TYPE_ARRAY);
+	__uint(max_entries, 1);
+	__type(key, __u32);
+	__type(value, __u64);
+} cg_ids SEC(".maps");
+
+struct {
+	__uint(type, BPF_MAP_TYPE_ARRAY);
+	__uint(max_entries, 1);
+	__type(key, __u32);
+	__type(value, __u32);
+} pidmap SEC(".maps");
+
+SEC("tracepoint/syscalls/sys_enter_nanosleep")
+int trace(void *ctx)
+{
+	__u32 pid = bpf_get_current_pid_tgid();
+	__u32 key = 0, *expected_pid;
+	__u64 *val;
+
+	expected_pid = bpf_map_lookup_elem(&pidmap, &key);
+	if (!expected_pid || *expected_pid != pid)
+		return 0;
+
+	val = bpf_map_lookup_elem(&cg_ids, &key);
+	if (val)
+		*val = bpf_get_current_cgroup_id();
+
+	return 0;
+}
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/get_func_args_test.c b/tools/testing/selftests/bpf/progs/get_func_args_test.c
new file mode 100644
index 000000000..e0f34a55e
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/get_func_args_test.c
@@ -0,0 +1,123 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <linux/bpf.h>
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_tracing.h>
+#include <errno.h>
+
+char _license[] SEC("license") = "GPL";
+
+__u64 test1_result = 0;
+SEC("fentry/bpf_fentry_test1")
+int BPF_PROG(test1)
+{
+	__u64 cnt = bpf_get_func_arg_cnt(ctx);
+	__u64 a = 0, z = 0, ret = 0;
+	__s64 err;
+
+	test1_result = cnt == 1;
+
+	/* valid arguments */
+	err = bpf_get_func_arg(ctx, 0, &a);
+
+	/* We need to cast access to traced function argument values with
+	 * proper type cast, because trampoline uses type specific instruction
+	 * to save it, like for 'int a' with 32-bit mov like:
+	 *
+	 *   mov %edi,-0x8(%rbp)
+	 *
+	 * so the upper 4 bytes are not zeroed.
+	 */
+	test1_result &= err == 0 && ((int) a == 1);
+
+	/* not valid argument */
+	err = bpf_get_func_arg(ctx, 1, &z);
+	test1_result &= err == -EINVAL;
+
+	/* return value fails in fentry */
+	err = bpf_get_func_ret(ctx, &ret);
+	test1_result &= err == -EOPNOTSUPP;
+	return 0;
+}
+
+__u64 test2_result = 0;
+SEC("fexit/bpf_fentry_test2")
+int BPF_PROG(test2)
+{
+	__u64 cnt = bpf_get_func_arg_cnt(ctx);
+	__u64 a = 0, b = 0, z = 0, ret = 0;
+	__s64 err;
+
+	test2_result = cnt == 2;
+
+	/* valid arguments */
+	err = bpf_get_func_arg(ctx, 0, &a);
+	test2_result &= err == 0 && (int) a == 2;
+
+	err = bpf_get_func_arg(ctx, 1, &b);
+	test2_result &= err == 0 && b == 3;
+
+	/* not valid argument */
+	err = bpf_get_func_arg(ctx, 2, &z);
+	test2_result &= err == -EINVAL;
+
+	/* return value */
+	err = bpf_get_func_ret(ctx, &ret);
+	test2_result &= err == 0 && ret == 5;
+	return 0;
+}
+
+__u64 test3_result = 0;
+SEC("fmod_ret/bpf_modify_return_test")
+int BPF_PROG(fmod_ret_test, int _a, int *_b, int _ret)
+{
+	__u64 cnt = bpf_get_func_arg_cnt(ctx);
+	__u64 a = 0, b = 0, z = 0, ret = 0;
+	__s64 err;
+
+	test3_result = cnt == 2;
+
+	/* valid arguments */
+	err = bpf_get_func_arg(ctx, 0, &a);
+	test3_result &= err == 0 && ((int) a == 1);
+
+	err = bpf_get_func_arg(ctx, 1, &b);
+	test3_result &= err == 0 && ((int *) b == _b);
+
+	/* not valid argument */
+	err = bpf_get_func_arg(ctx, 2, &z);
+	test3_result &= err == -EINVAL;
+
+	/* return value */
+	err = bpf_get_func_ret(ctx, &ret);
+	test3_result &= err == 0 && ret == 0;
+
+	/* change return value, it's checked in fexit_test program */
+	return 1234;
+}
+
+__u64 test4_result = 0;
+SEC("fexit/bpf_modify_return_test")
+int BPF_PROG(fexit_test, int _a, int *_b, int _ret)
+{
+	__u64 cnt = bpf_get_func_arg_cnt(ctx);
+	__u64 a = 0, b = 0, z = 0, ret = 0;
+	__s64 err;
+
+	test4_result = cnt == 2;
+
+	/* valid arguments */
+	err = bpf_get_func_arg(ctx, 0, &a);
+	test4_result &= err == 0 && ((int) a == 1);
+
+	err = bpf_get_func_arg(ctx, 1, &b);
+	test4_result &= err == 0 && ((int *) b == _b);
+
+	/* not valid argument */
+	err = bpf_get_func_arg(ctx, 2, &z);
+	test4_result &= err == -EINVAL;
+
+	/* return value */
+	err = bpf_get_func_ret(ctx, &ret);
+	test4_result &= err == 0 && ret == 1234;
+	return 0;
+}
diff --git a/tools/testing/selftests/bpf/progs/get_func_ip_test.c b/tools/testing/selftests/bpf/progs/get_func_ip_test.c
new file mode 100644
index 000000000..8559e698b
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/get_func_ip_test.c
@@ -0,0 +1,85 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <linux/bpf.h>
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_tracing.h>
+#include <stdbool.h>
+
+char _license[] SEC("license") = "GPL";
+
+extern const void bpf_fentry_test1 __ksym;
+extern const void bpf_fentry_test2 __ksym;
+extern const void bpf_fentry_test3 __ksym;
+extern const void bpf_fentry_test4 __ksym;
+extern const void bpf_modify_return_test __ksym;
+extern const void bpf_fentry_test6 __ksym;
+extern const void bpf_fentry_test7 __ksym;
+
+extern bool CONFIG_X86_KERNEL_IBT __kconfig __weak;
+
+/* This function is here to have CONFIG_X86_KERNEL_IBT
+ * used and added to object BTF.
+ */
+int unused(void)
+{
+	return CONFIG_X86_KERNEL_IBT ? 0 : 1;
+}
+
+__u64 test1_result = 0;
+SEC("fentry/bpf_fentry_test1")
+int BPF_PROG(test1, int a)
+{
+	__u64 addr = bpf_get_func_ip(ctx);
+
+	test1_result = (const void *) addr == &bpf_fentry_test1;
+	return 0;
+}
+
+__u64 test2_result = 0;
+SEC("fexit/bpf_fentry_test2")
+int BPF_PROG(test2, int a)
+{
+	__u64 addr = bpf_get_func_ip(ctx);
+
+	test2_result = (const void *) addr == &bpf_fentry_test2;
+	return 0;
+}
+
+__u64 test3_result = 0;
+SEC("kprobe/bpf_fentry_test3")
+int test3(struct pt_regs *ctx)
+{
+	__u64 addr = bpf_get_func_ip(ctx);
+
+	test3_result = (const void *) addr == &bpf_fentry_test3;
+	return 0;
+}
+
+__u64 test4_result = 0;
+SEC("kretprobe/bpf_fentry_test4")
+int BPF_KRETPROBE(test4)
+{
+	__u64 addr = bpf_get_func_ip(ctx);
+
+	test4_result = (const void *) addr == &bpf_fentry_test4;
+	return 0;
+}
+
+__u64 test5_result = 0;
+SEC("fmod_ret/bpf_modify_return_test")
+int BPF_PROG(test5, int a, int *b, int ret)
+{
+	__u64 addr = bpf_get_func_ip(ctx);
+
+	test5_result = (const void *) addr == &bpf_modify_return_test;
+	return ret;
+}
+
+__u64 test6_result = 0;
+SEC("?kprobe")
+int test6(struct pt_regs *ctx)
+{
+	__u64 addr = bpf_get_func_ip(ctx);
+
+	test6_result = (const void *) addr == 0;
+	return 0;
+}
diff --git a/tools/testing/selftests/bpf/progs/htab_update.c b/tools/testing/selftests/bpf/progs/htab_update.c
new file mode 100644
index 000000000..7481bb30b
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/htab_update.c
@@ -0,0 +1,29 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (C) 2022. Huawei Technologies Co., Ltd */
+#include <linux/bpf.h>
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_tracing.h>
+
+char _license[] SEC("license") = "GPL";
+
+struct {
+	__uint(type, BPF_MAP_TYPE_HASH);
+	__uint(max_entries, 1);
+	__uint(key_size, sizeof(__u32));
+	__uint(value_size, sizeof(__u32));
+} htab SEC(".maps");
+
+int pid = 0;
+int update_err = 0;
+
+SEC("?fentry/lookup_elem_raw")
+int lookup_elem_raw(void *ctx)
+{
+	__u32 key = 0, value = 1;
+
+	if ((bpf_get_current_pid_tgid() >> 32) != pid)
+		return 0;
+
+	update_err = bpf_map_update_elem(&htab, &key, &value, 0);
+	return 0;
+}
diff --git a/tools/testing/selftests/bpf/progs/ima.c b/tools/testing/selftests/bpf/progs/ima.c
new file mode 100644
index 000000000..e16a2c208
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/ima.c
@@ -0,0 +1,103 @@
+// SPDX-License-Identifier: GPL-2.0
+
+/*
+ * Copyright 2020 Google LLC.
+ */
+
+#include "vmlinux.h"
+#include <errno.h>
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_tracing.h>
+
+u32 monitored_pid = 0;
+
+struct {
+	__uint(type, BPF_MAP_TYPE_RINGBUF);
+	__uint(max_entries, 1 << 12);
+} ringbuf SEC(".maps");
+
+char _license[] SEC("license") = "GPL";
+
+bool use_ima_file_hash;
+bool enable_bprm_creds_for_exec;
+bool enable_kernel_read_file;
+bool test_deny;
+
+static void ima_test_common(struct file *file)
+{
+	u64 ima_hash = 0;
+	u64 *sample;
+	int ret;
+	u32 pid;
+
+	pid = bpf_get_current_pid_tgid() >> 32;
+	if (pid == monitored_pid) {
+		if (!use_ima_file_hash)
+			ret = bpf_ima_inode_hash(file->f_inode, &ima_hash,
+						 sizeof(ima_hash));
+		else
+			ret = bpf_ima_file_hash(file, &ima_hash,
+						sizeof(ima_hash));
+		if (ret < 0 || ima_hash == 0)
+			return;
+
+		sample = bpf_ringbuf_reserve(&ringbuf, sizeof(u64), 0);
+		if (!sample)
+			return;
+
+		*sample = ima_hash;
+		bpf_ringbuf_submit(sample, 0);
+	}
+
+	return;
+}
+
+static int ima_test_deny(void)
+{
+	u32 pid;
+
+	pid = bpf_get_current_pid_tgid() >> 32;
+	if (pid == monitored_pid && test_deny)
+		return -EPERM;
+
+	return 0;
+}
+
+SEC("lsm.s/bprm_committed_creds")
+void BPF_PROG(bprm_committed_creds, struct linux_binprm *bprm)
+{
+	ima_test_common(bprm->file);
+}
+
+SEC("lsm.s/bprm_creds_for_exec")
+int BPF_PROG(bprm_creds_for_exec, struct linux_binprm *bprm)
+{
+	if (!enable_bprm_creds_for_exec)
+		return 0;
+
+	ima_test_common(bprm->file);
+	return 0;
+}
+
+SEC("lsm.s/kernel_read_file")
+int BPF_PROG(kernel_read_file, struct file *file, enum kernel_read_file_id id,
+	     bool contents)
+{
+	int ret;
+
+	if (!enable_kernel_read_file)
+		return 0;
+
+	if (!contents)
+		return 0;
+
+	if (id != READING_POLICY)
+		return 0;
+
+	ret = ima_test_deny();
+	if (ret < 0)
+		return ret;
+
+	ima_test_common(file);
+	return 0;
+}
diff --git a/tools/testing/selftests/bpf/progs/kfree_skb.c b/tools/testing/selftests/bpf/progs/kfree_skb.c
new file mode 100644
index 000000000..7236da72c
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/kfree_skb.c
@@ -0,0 +1,153 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (c) 2019 Facebook
+#include <linux/bpf.h>
+#include <stdbool.h>
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_endian.h>
+#include <bpf/bpf_tracing.h>
+
+char _license[] SEC("license") = "GPL";
+struct {
+	__uint(type, BPF_MAP_TYPE_PERF_EVENT_ARRAY);
+	__type(key, int);
+	__type(value, int);
+} perf_buf_map SEC(".maps");
+
+#define _(P) (__builtin_preserve_access_index(P))
+
+/* define few struct-s that bpf program needs to access */
+struct callback_head {
+	struct callback_head *next;
+	void (*func)(struct callback_head *head);
+};
+struct dev_ifalias {
+	struct callback_head rcuhead;
+};
+
+struct net_device /* same as kernel's struct net_device */ {
+	int ifindex;
+	struct dev_ifalias *ifalias;
+};
+
+typedef struct {
+        int counter;
+} atomic_t;
+typedef struct refcount_struct {
+        atomic_t refs;
+} refcount_t;
+
+struct sk_buff {
+	/* field names and sizes should match to those in the kernel */
+	unsigned int len, data_len;
+	__u16 mac_len, hdr_len, queue_mapping;
+	struct net_device *dev;
+	/* order of the fields doesn't matter */
+	refcount_t users;
+	unsigned char *data;
+	char __pkt_type_offset[0];
+	char cb[48];
+};
+
+struct meta {
+	int ifindex;
+	__u32 cb32_0;
+	__u8 cb8_0;
+};
+
+/* TRACE_EVENT(kfree_skb,
+ *         TP_PROTO(struct sk_buff *skb, void *location),
+ */
+SEC("tp_btf/kfree_skb")
+int BPF_PROG(trace_kfree_skb, struct sk_buff *skb, void *location)
+{
+	struct net_device *dev;
+	struct callback_head *ptr;
+	void *func;
+	int users;
+	unsigned char *data;
+	unsigned short pkt_data;
+	struct meta meta = {};
+	char pkt_type;
+	__u32 *cb32;
+	__u8 *cb8;
+
+	__builtin_preserve_access_index(({
+		users = skb->users.refs.counter;
+		data = skb->data;
+		dev = skb->dev;
+		ptr = dev->ifalias->rcuhead.next;
+		func = ptr->func;
+		cb8 = (__u8 *)&skb->cb;
+		cb32 = (__u32 *)&skb->cb;
+	}));
+
+	meta.ifindex = _(dev->ifindex);
+	meta.cb8_0 = cb8[8];
+	meta.cb32_0 = cb32[2];
+
+	bpf_probe_read_kernel(&pkt_type, sizeof(pkt_type), _(&skb->__pkt_type_offset));
+	pkt_type &= 7;
+
+	/* read eth proto */
+	bpf_probe_read_kernel(&pkt_data, sizeof(pkt_data), data + 12);
+
+	bpf_printk("rcuhead.next %llx func %llx\n", ptr, func);
+	bpf_printk("skb->len %d users %d pkt_type %x\n",
+		   _(skb->len), users, pkt_type);
+	bpf_printk("skb->queue_mapping %d\n", _(skb->queue_mapping));
+	bpf_printk("dev->ifindex %d data %llx pkt_data %x\n",
+		   meta.ifindex, data, pkt_data);
+	bpf_printk("cb8_0:%x cb32_0:%x\n", meta.cb8_0, meta.cb32_0);
+
+	if (users != 1 || pkt_data != bpf_htons(0x86dd) || meta.ifindex != 1)
+		/* raw tp ignores return value */
+		return 0;
+
+	/* send first 72 byte of the packet to user space */
+	bpf_skb_output(skb, &perf_buf_map, (72ull << 32) | BPF_F_CURRENT_CPU,
+		       &meta, sizeof(meta));
+	return 0;
+}
+
+struct {
+	bool fentry_test_ok;
+	bool fexit_test_ok;
+} result = {};
+
+SEC("fentry/eth_type_trans")
+int BPF_PROG(fentry_eth_type_trans, struct sk_buff *skb, struct net_device *dev,
+	     unsigned short protocol)
+{
+	int len, ifindex;
+
+	__builtin_preserve_access_index(({
+		len = skb->len;
+		ifindex = dev->ifindex;
+	}));
+
+	/* fentry sees full packet including L2 header */
+	if (len != 74 || ifindex != 1)
+		return 0;
+	result.fentry_test_ok = true;
+	return 0;
+}
+
+SEC("fexit/eth_type_trans")
+int BPF_PROG(fexit_eth_type_trans, struct sk_buff *skb, struct net_device *dev,
+	     unsigned short protocol)
+{
+	int len, ifindex;
+
+	__builtin_preserve_access_index(({
+		len = skb->len;
+		ifindex = dev->ifindex;
+	}));
+
+	/* fexit sees packet without L2 header that eth_type_trans should have
+	 * consumed.
+	 */
+	if (len != 60 || protocol != bpf_htons(0x86dd) || ifindex != 1)
+		return 0;
+	result.fexit_test_ok = true;
+	return 0;
+}
diff --git a/tools/testing/selftests/bpf/progs/kfunc_call_destructive.c b/tools/testing/selftests/bpf/progs/kfunc_call_destructive.c
new file mode 100644
index 000000000..767472bc5
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/kfunc_call_destructive.c
@@ -0,0 +1,14 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <vmlinux.h>
+#include <bpf/bpf_helpers.h>
+
+extern void bpf_kfunc_call_test_destructive(void) __ksym;
+
+SEC("tc")
+int kfunc_destructive_test(void)
+{
+	bpf_kfunc_call_test_destructive();
+	return 0;
+}
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/kfunc_call_fail.c b/tools/testing/selftests/bpf/progs/kfunc_call_fail.c
new file mode 100644
index 000000000..b98313d39
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/kfunc_call_fail.c
@@ -0,0 +1,160 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2021 Facebook */
+#include <vmlinux.h>
+#include <bpf/bpf_helpers.h>
+
+extern struct prog_test_ref_kfunc *bpf_kfunc_call_test_acquire(unsigned long *sp) __ksym;
+extern void bpf_kfunc_call_test_release(struct prog_test_ref_kfunc *p) __ksym;
+extern void bpf_kfunc_call_test_mem_len_pass1(void *mem, int len) __ksym;
+extern int *bpf_kfunc_call_test_get_rdwr_mem(struct prog_test_ref_kfunc *p, const int rdwr_buf_size) __ksym;
+extern int *bpf_kfunc_call_test_get_rdonly_mem(struct prog_test_ref_kfunc *p, const int rdonly_buf_size) __ksym;
+extern int *bpf_kfunc_call_test_acq_rdonly_mem(struct prog_test_ref_kfunc *p, const int rdonly_buf_size) __ksym;
+extern void bpf_kfunc_call_int_mem_release(int *p) __ksym;
+
+struct syscall_test_args {
+	__u8 data[16];
+	size_t size;
+};
+
+SEC("?syscall")
+int kfunc_syscall_test_fail(struct syscall_test_args *args)
+{
+	bpf_kfunc_call_test_mem_len_pass1(&args->data, sizeof(*args) + 1);
+
+	return 0;
+}
+
+SEC("?syscall")
+int kfunc_syscall_test_null_fail(struct syscall_test_args *args)
+{
+	/* Must be called with args as a NULL pointer
+	 * we do not check for it to have the verifier consider that
+	 * the pointer might not be null, and so we can load it.
+	 *
+	 * So the following can not be added:
+	 *
+	 * if (args)
+	 *      return -22;
+	 */
+
+	bpf_kfunc_call_test_mem_len_pass1(args, sizeof(*args));
+
+	return 0;
+}
+
+SEC("?tc")
+int kfunc_call_test_get_mem_fail_rdonly(struct __sk_buff *skb)
+{
+	struct prog_test_ref_kfunc *pt;
+	unsigned long s = 0;
+	int *p = NULL;
+	int ret = 0;
+
+	pt = bpf_kfunc_call_test_acquire(&s);
+	if (pt) {
+		p = bpf_kfunc_call_test_get_rdonly_mem(pt, 2 * sizeof(int));
+		if (p)
+			p[0] = 42; /* this is a read-only buffer, so -EACCES */
+		else
+			ret = -1;
+
+		bpf_kfunc_call_test_release(pt);
+	}
+	return ret;
+}
+
+SEC("?tc")
+int kfunc_call_test_get_mem_fail_use_after_free(struct __sk_buff *skb)
+{
+	struct prog_test_ref_kfunc *pt;
+	unsigned long s = 0;
+	int *p = NULL;
+	int ret = 0;
+
+	pt = bpf_kfunc_call_test_acquire(&s);
+	if (pt) {
+		p = bpf_kfunc_call_test_get_rdwr_mem(pt, 2 * sizeof(int));
+		if (p) {
+			p[0] = 42;
+			ret = p[1]; /* 108 */
+		} else {
+			ret = -1;
+		}
+
+		bpf_kfunc_call_test_release(pt);
+	}
+	if (p)
+		ret = p[0]; /* p is not valid anymore */
+
+	return ret;
+}
+
+SEC("?tc")
+int kfunc_call_test_get_mem_fail_oob(struct __sk_buff *skb)
+{
+	struct prog_test_ref_kfunc *pt;
+	unsigned long s = 0;
+	int *p = NULL;
+	int ret = 0;
+
+	pt = bpf_kfunc_call_test_acquire(&s);
+	if (pt) {
+		p = bpf_kfunc_call_test_get_rdonly_mem(pt, 2 * sizeof(int));
+		if (p)
+			ret = p[2 * sizeof(int)]; /* oob access, so -EACCES */
+		else
+			ret = -1;
+
+		bpf_kfunc_call_test_release(pt);
+	}
+	return ret;
+}
+
+int not_const_size = 2 * sizeof(int);
+
+SEC("?tc")
+int kfunc_call_test_get_mem_fail_not_const(struct __sk_buff *skb)
+{
+	struct prog_test_ref_kfunc *pt;
+	unsigned long s = 0;
+	int *p = NULL;
+	int ret = 0;
+
+	pt = bpf_kfunc_call_test_acquire(&s);
+	if (pt) {
+		p = bpf_kfunc_call_test_get_rdonly_mem(pt, not_const_size); /* non const size, -EINVAL */
+		if (p)
+			ret = p[0];
+		else
+			ret = -1;
+
+		bpf_kfunc_call_test_release(pt);
+	}
+	return ret;
+}
+
+SEC("?tc")
+int kfunc_call_test_mem_acquire_fail(struct __sk_buff *skb)
+{
+	struct prog_test_ref_kfunc *pt;
+	unsigned long s = 0;
+	int *p = NULL;
+	int ret = 0;
+
+	pt = bpf_kfunc_call_test_acquire(&s);
+	if (pt) {
+		/* we are failing on this one, because we are not acquiring a PTR_TO_BTF_ID (a struct ptr) */
+		p = bpf_kfunc_call_test_acq_rdonly_mem(pt, 2 * sizeof(int));
+		if (p)
+			ret = p[0];
+		else
+			ret = -1;
+
+		bpf_kfunc_call_int_mem_release(p);
+
+		bpf_kfunc_call_test_release(pt);
+	}
+	return ret;
+}
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/kfunc_call_race.c b/tools/testing/selftests/bpf/progs/kfunc_call_race.c
new file mode 100644
index 000000000..4e8fed75a
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/kfunc_call_race.c
@@ -0,0 +1,14 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <vmlinux.h>
+#include <bpf/bpf_helpers.h>
+
+extern void bpf_testmod_test_mod_kfunc(int i) __ksym;
+
+SEC("tc")
+int kfunc_call_fail(struct __sk_buff *ctx)
+{
+	bpf_testmod_test_mod_kfunc(0);
+	return 0;
+}
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/kfunc_call_test.c b/tools/testing/selftests/bpf/progs/kfunc_call_test.c
new file mode 100644
index 000000000..f636e50be
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/kfunc_call_test.c
@@ -0,0 +1,166 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2021 Facebook */
+#include <vmlinux.h>
+#include <bpf/bpf_helpers.h>
+
+extern int bpf_kfunc_call_test2(struct sock *sk, __u32 a, __u32 b) __ksym;
+extern __u64 bpf_kfunc_call_test1(struct sock *sk, __u32 a, __u64 b,
+				  __u32 c, __u64 d) __ksym;
+
+extern struct prog_test_ref_kfunc *bpf_kfunc_call_test_acquire(unsigned long *sp) __ksym;
+extern void bpf_kfunc_call_test_release(struct prog_test_ref_kfunc *p) __ksym;
+extern void bpf_kfunc_call_test_pass_ctx(struct __sk_buff *skb) __ksym;
+extern void bpf_kfunc_call_test_pass1(struct prog_test_pass1 *p) __ksym;
+extern void bpf_kfunc_call_test_pass2(struct prog_test_pass2 *p) __ksym;
+extern void bpf_kfunc_call_test_mem_len_pass1(void *mem, int len) __ksym;
+extern void bpf_kfunc_call_test_mem_len_fail2(__u64 *mem, int len) __ksym;
+extern int *bpf_kfunc_call_test_get_rdwr_mem(struct prog_test_ref_kfunc *p, const int rdwr_buf_size) __ksym;
+extern int *bpf_kfunc_call_test_get_rdonly_mem(struct prog_test_ref_kfunc *p, const int rdonly_buf_size) __ksym;
+
+SEC("tc")
+int kfunc_call_test2(struct __sk_buff *skb)
+{
+	struct bpf_sock *sk = skb->sk;
+
+	if (!sk)
+		return -1;
+
+	sk = bpf_sk_fullsock(sk);
+	if (!sk)
+		return -1;
+
+	return bpf_kfunc_call_test2((struct sock *)sk, 1, 2);
+}
+
+SEC("tc")
+int kfunc_call_test1(struct __sk_buff *skb)
+{
+	struct bpf_sock *sk = skb->sk;
+	__u64 a = 1ULL << 32;
+	__u32 ret;
+
+	if (!sk)
+		return -1;
+
+	sk = bpf_sk_fullsock(sk);
+	if (!sk)
+		return -1;
+
+	a = bpf_kfunc_call_test1((struct sock *)sk, 1, a | 2, 3, a | 4);
+	ret = a >> 32;   /* ret should be 2 */
+	ret += (__u32)a; /* ret should be 12 */
+
+	return ret;
+}
+
+SEC("tc")
+int kfunc_call_test_ref_btf_id(struct __sk_buff *skb)
+{
+	struct prog_test_ref_kfunc *pt;
+	unsigned long s = 0;
+	int ret = 0;
+
+	pt = bpf_kfunc_call_test_acquire(&s);
+	if (pt) {
+		if (pt->a != 42 || pt->b != 108)
+			ret = -1;
+		bpf_kfunc_call_test_release(pt);
+	}
+	return ret;
+}
+
+SEC("tc")
+int kfunc_call_test_pass(struct __sk_buff *skb)
+{
+	struct prog_test_pass1 p1 = {};
+	struct prog_test_pass2 p2 = {};
+	short a = 0;
+	__u64 b = 0;
+	long c = 0;
+	char d = 0;
+	int e = 0;
+
+	bpf_kfunc_call_test_pass_ctx(skb);
+	bpf_kfunc_call_test_pass1(&p1);
+	bpf_kfunc_call_test_pass2(&p2);
+
+	bpf_kfunc_call_test_mem_len_pass1(&a, sizeof(a));
+	bpf_kfunc_call_test_mem_len_pass1(&b, sizeof(b));
+	bpf_kfunc_call_test_mem_len_pass1(&c, sizeof(c));
+	bpf_kfunc_call_test_mem_len_pass1(&d, sizeof(d));
+	bpf_kfunc_call_test_mem_len_pass1(&e, sizeof(e));
+	bpf_kfunc_call_test_mem_len_fail2(&b, -1);
+
+	return 0;
+}
+
+struct syscall_test_args {
+	__u8 data[16];
+	size_t size;
+};
+
+SEC("syscall")
+int kfunc_syscall_test(struct syscall_test_args *args)
+{
+	const long size = args->size;
+
+	if (size > sizeof(args->data))
+		return -7; /* -E2BIG */
+
+	bpf_kfunc_call_test_mem_len_pass1(&args->data, sizeof(args->data));
+	bpf_kfunc_call_test_mem_len_pass1(&args->data, sizeof(*args));
+	bpf_kfunc_call_test_mem_len_pass1(&args->data, size);
+
+	return 0;
+}
+
+SEC("syscall")
+int kfunc_syscall_test_null(struct syscall_test_args *args)
+{
+	/* Must be called with args as a NULL pointer
+	 * we do not check for it to have the verifier consider that
+	 * the pointer might not be null, and so we can load it.
+	 *
+	 * So the following can not be added:
+	 *
+	 * if (args)
+	 *      return -22;
+	 */
+
+	bpf_kfunc_call_test_mem_len_pass1(args, 0);
+
+	return 0;
+}
+
+SEC("tc")
+int kfunc_call_test_get_mem(struct __sk_buff *skb)
+{
+	struct prog_test_ref_kfunc *pt;
+	unsigned long s = 0;
+	int *p = NULL;
+	int ret = 0;
+
+	pt = bpf_kfunc_call_test_acquire(&s);
+	if (pt) {
+		p = bpf_kfunc_call_test_get_rdwr_mem(pt, 2 * sizeof(int));
+		if (p) {
+			p[0] = 42;
+			ret = p[1]; /* 108 */
+		} else {
+			ret = -1;
+		}
+
+		if (ret >= 0) {
+			p = bpf_kfunc_call_test_get_rdonly_mem(pt, 2 * sizeof(int));
+			if (p)
+				ret = p[0]; /* 42 */
+			else
+				ret = -1;
+		}
+
+		bpf_kfunc_call_test_release(pt);
+	}
+	return ret;
+}
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/kfunc_call_test_subprog.c b/tools/testing/selftests/bpf/progs/kfunc_call_test_subprog.c
new file mode 100644
index 000000000..c1fdecabe
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/kfunc_call_test_subprog.c
@@ -0,0 +1,42 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2021 Facebook */
+#include <linux/bpf.h>
+#include <bpf/bpf_helpers.h>
+#include "bpf_tcp_helpers.h"
+
+extern const int bpf_prog_active __ksym;
+extern __u64 bpf_kfunc_call_test1(struct sock *sk, __u32 a, __u64 b,
+				  __u32 c, __u64 d) __ksym;
+extern struct sock *bpf_kfunc_call_test3(struct sock *sk) __ksym;
+int active_res = -1;
+int sk_state_res = -1;
+
+int __noinline f1(struct __sk_buff *skb)
+{
+	struct bpf_sock *sk = skb->sk;
+	int *active;
+
+	if (!sk)
+		return -1;
+
+	sk = bpf_sk_fullsock(sk);
+	if (!sk)
+		return -1;
+
+	active = (int *)bpf_per_cpu_ptr(&bpf_prog_active,
+					bpf_get_smp_processor_id());
+	if (active)
+		active_res = *active;
+
+	sk_state_res = bpf_kfunc_call_test3((struct sock *)sk)->sk_state;
+
+	return (__u32)bpf_kfunc_call_test1((struct sock *)sk, 1, 2, 3, 4);
+}
+
+SEC("tc")
+int kfunc_call_test1(struct __sk_buff *skb)
+{
+	return f1(skb);
+}
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/kprobe_multi.c b/tools/testing/selftests/bpf/progs/kprobe_multi.c
new file mode 100644
index 000000000..98c3399e1
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/kprobe_multi.c
@@ -0,0 +1,112 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <linux/bpf.h>
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_tracing.h>
+#include <stdbool.h>
+
+char _license[] SEC("license") = "GPL";
+
+extern const void bpf_fentry_test1 __ksym;
+extern const void bpf_fentry_test2 __ksym;
+extern const void bpf_fentry_test3 __ksym;
+extern const void bpf_fentry_test4 __ksym;
+extern const void bpf_fentry_test5 __ksym;
+extern const void bpf_fentry_test6 __ksym;
+extern const void bpf_fentry_test7 __ksym;
+extern const void bpf_fentry_test8 __ksym;
+
+int pid = 0;
+bool test_cookie = false;
+
+__u64 kprobe_test1_result = 0;
+__u64 kprobe_test2_result = 0;
+__u64 kprobe_test3_result = 0;
+__u64 kprobe_test4_result = 0;
+__u64 kprobe_test5_result = 0;
+__u64 kprobe_test6_result = 0;
+__u64 kprobe_test7_result = 0;
+__u64 kprobe_test8_result = 0;
+
+__u64 kretprobe_test1_result = 0;
+__u64 kretprobe_test2_result = 0;
+__u64 kretprobe_test3_result = 0;
+__u64 kretprobe_test4_result = 0;
+__u64 kretprobe_test5_result = 0;
+__u64 kretprobe_test6_result = 0;
+__u64 kretprobe_test7_result = 0;
+__u64 kretprobe_test8_result = 0;
+
+static void kprobe_multi_check(void *ctx, bool is_return)
+{
+	if (bpf_get_current_pid_tgid() >> 32 != pid)
+		return;
+
+	__u64 cookie = test_cookie ? bpf_get_attach_cookie(ctx) : 0;
+	__u64 addr = bpf_get_func_ip(ctx);
+
+#define SET(__var, __addr, __cookie) ({			\
+	if (((const void *) addr == __addr) &&		\
+	     (!test_cookie || (cookie == __cookie)))	\
+		__var = 1;				\
+})
+
+	if (is_return) {
+		SET(kretprobe_test1_result, &bpf_fentry_test1, 8);
+		SET(kretprobe_test2_result, &bpf_fentry_test2, 2);
+		SET(kretprobe_test3_result, &bpf_fentry_test3, 7);
+		SET(kretprobe_test4_result, &bpf_fentry_test4, 6);
+		SET(kretprobe_test5_result, &bpf_fentry_test5, 5);
+		SET(kretprobe_test6_result, &bpf_fentry_test6, 4);
+		SET(kretprobe_test7_result, &bpf_fentry_test7, 3);
+		SET(kretprobe_test8_result, &bpf_fentry_test8, 1);
+	} else {
+		SET(kprobe_test1_result, &bpf_fentry_test1, 1);
+		SET(kprobe_test2_result, &bpf_fentry_test2, 7);
+		SET(kprobe_test3_result, &bpf_fentry_test3, 2);
+		SET(kprobe_test4_result, &bpf_fentry_test4, 3);
+		SET(kprobe_test5_result, &bpf_fentry_test5, 4);
+		SET(kprobe_test6_result, &bpf_fentry_test6, 5);
+		SET(kprobe_test7_result, &bpf_fentry_test7, 6);
+		SET(kprobe_test8_result, &bpf_fentry_test8, 8);
+	}
+
+#undef SET
+}
+
+/*
+ * No tests in here, just to trigger 'bpf_fentry_test*'
+ * through tracing test_run
+ */
+SEC("fentry/bpf_modify_return_test")
+int BPF_PROG(trigger)
+{
+	return 0;
+}
+
+SEC("kprobe.multi/bpf_fentry_tes??")
+int test_kprobe(struct pt_regs *ctx)
+{
+	kprobe_multi_check(ctx, false);
+	return 0;
+}
+
+SEC("kretprobe.multi/bpf_fentry_test*")
+int test_kretprobe(struct pt_regs *ctx)
+{
+	kprobe_multi_check(ctx, true);
+	return 0;
+}
+
+SEC("kprobe.multi")
+int test_kprobe_manual(struct pt_regs *ctx)
+{
+	kprobe_multi_check(ctx, false);
+	return 0;
+}
+
+SEC("kretprobe.multi")
+int test_kretprobe_manual(struct pt_regs *ctx)
+{
+	kprobe_multi_check(ctx, true);
+	return 0;
+}
diff --git a/tools/testing/selftests/bpf/progs/kprobe_multi_empty.c b/tools/testing/selftests/bpf/progs/kprobe_multi_empty.c
new file mode 100644
index 000000000..e76e499ac
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/kprobe_multi_empty.c
@@ -0,0 +1,12 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <linux/bpf.h>
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_tracing.h>
+
+char _license[] SEC("license") = "GPL";
+
+SEC("kprobe.multi/")
+int test_kprobe_empty(struct pt_regs *ctx)
+{
+	return 0;
+}
diff --git a/tools/testing/selftests/bpf/progs/ksym_race.c b/tools/testing/selftests/bpf/progs/ksym_race.c
new file mode 100644
index 000000000..def97f2fe
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/ksym_race.c
@@ -0,0 +1,13 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <vmlinux.h>
+#include <bpf/bpf_helpers.h>
+
+extern int bpf_testmod_ksym_percpu __ksym;
+
+SEC("tc")
+int ksym_fail(struct __sk_buff *ctx)
+{
+	return *(int *)bpf_this_cpu_ptr(&bpf_testmod_ksym_percpu);
+}
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/linked_funcs1.c b/tools/testing/selftests/bpf/progs/linked_funcs1.c
new file mode 100644
index 000000000..b05571bc6
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/linked_funcs1.c
@@ -0,0 +1,86 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2021 Facebook */
+
+#include "vmlinux.h"
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_tracing.h>
+#include <bpf/bpf_core_read.h>
+
+/* weak and shared between two files */
+const volatile int my_tid __weak;
+long syscall_id __weak;
+
+int output_val1;
+int output_ctx1;
+int output_weak1;
+
+/* same "subprog" name in all files, but it's ok because they all are static */
+static __noinline int subprog(int x)
+{
+	/* but different formula */
+	return x * 1;
+}
+
+/* Global functions can't be void */
+int set_output_val1(int x)
+{
+	output_val1 = x + subprog(x);
+	return x;
+}
+
+/* This function can't be verified as global, as it assumes raw_tp/sys_enter
+ * context and accesses syscall id (second argument). So we mark it as
+ * __hidden, so that libbpf will mark it as static in the final object file,
+ * right before verifying it in the kernel.
+ *
+ * But we don't mark it as __hidden here, rather at extern site. __hidden is
+ * "contaminating" visibility, so it will get propagated from either extern or
+ * actual definition (including from the losing __weak definition).
+ */
+void set_output_ctx1(__u64 *ctx)
+{
+	output_ctx1 = ctx[1]; /* long id, same as in BPF_PROG below */
+}
+
+/* this weak instance should win because it's the first one */
+__weak int set_output_weak(int x)
+{
+	static volatile int whatever;
+
+	/* make sure we use CO-RE relocations in a weak function, this used to
+	 * cause problems for BPF static linker
+	 */
+	whatever = bpf_core_type_size(struct task_struct);
+
+	output_weak1 = x;
+	return x;
+}
+
+extern int set_output_val2(int x);
+
+/* here we'll force set_output_ctx2() to be __hidden in the final obj file */
+__hidden extern void set_output_ctx2(__u64 *ctx);
+
+SEC("?raw_tp/sys_enter")
+int BPF_PROG(handler1, struct pt_regs *regs, long id)
+{
+	static volatile int whatever;
+
+	if (my_tid != (u32)bpf_get_current_pid_tgid() || id != syscall_id)
+		return 0;
+
+	/* make sure we have CO-RE relocations in main program */
+	whatever = bpf_core_type_size(struct task_struct);
+
+	set_output_val2(1000);
+	set_output_ctx2(ctx); /* ctx definition is hidden in BPF_PROG macro */
+
+	/* keep input value the same across both files to avoid dependency on
+	 * handler call order; differentiate by output_weak1 vs output_weak2.
+	 */
+	set_output_weak(42);
+
+	return 0;
+}
+
+char LICENSE[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/linked_funcs2.c b/tools/testing/selftests/bpf/progs/linked_funcs2.c
new file mode 100644
index 000000000..ee7e3848e
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/linked_funcs2.c
@@ -0,0 +1,86 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2021 Facebook */
+
+#include "vmlinux.h"
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_tracing.h>
+#include <bpf/bpf_core_read.h>
+
+/* weak and shared between both files */
+const volatile int my_tid __weak;
+long syscall_id __weak;
+
+int output_val2;
+int output_ctx2;
+int output_weak2; /* should stay zero */
+
+/* same "subprog" name in all files, but it's ok because they all are static */
+static __noinline int subprog(int x)
+{
+	/* but different formula */
+	return x * 2;
+}
+
+/* Global functions can't be void */
+int set_output_val2(int x)
+{
+	output_val2 = 2 * x + 2 * subprog(x);
+	return 2 * x;
+}
+
+/* This function can't be verified as global, as it assumes raw_tp/sys_enter
+ * context and accesses syscall id (second argument). So we mark it as
+ * __hidden, so that libbpf will mark it as static in the final object file,
+ * right before verifying it in the kernel.
+ *
+ * But we don't mark it as __hidden here, rather at extern site. __hidden is
+ * "contaminating" visibility, so it will get propagated from either extern or
+ * actual definition (including from the losing __weak definition).
+ */
+void set_output_ctx2(__u64 *ctx)
+{
+	output_ctx2 = ctx[1]; /* long id, same as in BPF_PROG below */
+}
+
+/* this weak instance should lose, because it will be processed second */
+__weak int set_output_weak(int x)
+{
+	static volatile int whatever;
+
+	/* make sure we use CO-RE relocations in a weak function, this used to
+	 * cause problems for BPF static linker
+	 */
+	whatever = 2 * bpf_core_type_size(struct task_struct);
+
+	output_weak2 = x;
+	return 2 * x;
+}
+
+extern int set_output_val1(int x);
+
+/* here we'll force set_output_ctx1() to be __hidden in the final obj file */
+__hidden extern void set_output_ctx1(__u64 *ctx);
+
+SEC("?raw_tp/sys_enter")
+int BPF_PROG(handler2, struct pt_regs *regs, long id)
+{
+	static volatile int whatever;
+
+	if (my_tid != (u32)bpf_get_current_pid_tgid() || id != syscall_id)
+		return 0;
+
+	/* make sure we have CO-RE relocations in main program */
+	whatever = bpf_core_type_size(struct task_struct);
+
+	set_output_val1(2000);
+	set_output_ctx1(ctx); /* ctx definition is hidden in BPF_PROG macro */
+
+	/* keep input value the same across both files to avoid dependency on
+	 * handler call order; differentiate by output_weak1 vs output_weak2.
+	 */
+	set_output_weak(42);
+
+	return 0;
+}
+
+char LICENSE[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/linked_maps1.c b/tools/testing/selftests/bpf/progs/linked_maps1.c
new file mode 100644
index 000000000..00bf1ca95
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/linked_maps1.c
@@ -0,0 +1,82 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2021 Facebook */
+
+#include "vmlinux.h"
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_tracing.h>
+
+struct my_key { long x; };
+struct my_value { long x; };
+
+struct {
+	__uint(type, BPF_MAP_TYPE_HASH);
+	__type(key, struct my_key);
+	__type(value, struct my_value);
+	__uint(max_entries, 16);
+} map1 SEC(".maps");
+
+ /* Matches map2 definition in linked_maps2.c. Order of the attributes doesn't
+  * matter.
+  */
+typedef struct {
+	__uint(max_entries, 8);
+	__type(key, int);
+	__type(value, int);
+	__uint(type, BPF_MAP_TYPE_ARRAY);
+} map2_t;
+
+extern map2_t map2 SEC(".maps");
+
+/* This should be the winning map definition, but we have no way of verifying,
+ * so we just make sure that it links and works without errors
+ */
+struct {
+	__uint(type, BPF_MAP_TYPE_ARRAY);
+	__type(key, int);
+	__type(value, int);
+	__uint(max_entries, 16);
+} map_weak __weak SEC(".maps");
+
+int output_first1;
+int output_second1;
+int output_weak1;
+
+SEC("raw_tp/sys_enter")
+int BPF_PROG(handler_enter1)
+{
+	/* update values with key = 1 */
+	int key = 1, val = 1;
+	struct my_key key_struct = { .x = 1 };
+	struct my_value val_struct = { .x = 1000 };
+
+	bpf_map_update_elem(&map1, &key_struct, &val_struct, 0);
+	bpf_map_update_elem(&map2, &key, &val, 0);
+	bpf_map_update_elem(&map_weak, &key, &val, 0);
+
+	return 0;
+}
+
+SEC("raw_tp/sys_exit")
+int BPF_PROG(handler_exit1)
+{
+	/* lookup values with key = 2, set in another file */
+	int key = 2, *val;
+	struct my_key key_struct = { .x = 2 };
+	struct my_value *value_struct;
+
+	value_struct = bpf_map_lookup_elem(&map1, &key_struct);
+	if (value_struct)
+		output_first1 = value_struct->x;
+
+	val = bpf_map_lookup_elem(&map2, &key);
+	if (val)
+		output_second1 = *val;
+
+	val = bpf_map_lookup_elem(&map_weak, &key);
+	if (val)
+		output_weak1 = *val;
+
+	return 0;
+}
+
+char LICENSE[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/linked_maps2.c b/tools/testing/selftests/bpf/progs/linked_maps2.c
new file mode 100644
index 000000000..069368747
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/linked_maps2.c
@@ -0,0 +1,76 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2021 Facebook */
+
+#include "vmlinux.h"
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_tracing.h>
+
+/* modifiers and typedefs are ignored when comparing key/value types */
+typedef struct my_key { long x; } key_type;
+typedef struct my_value { long x; } value_type;
+
+extern struct {
+	__uint(max_entries, 16);
+	__type(key, key_type);
+	__type(value, value_type);
+	__uint(type, BPF_MAP_TYPE_HASH);
+} map1 SEC(".maps");
+
+struct {
+	__uint(type, BPF_MAP_TYPE_ARRAY);
+	__type(key, int);
+	__type(value, int);
+	__uint(max_entries, 8);
+} map2 SEC(".maps");
+
+/* this definition will lose, but it has to exactly match the winner */
+struct {
+	__uint(type, BPF_MAP_TYPE_ARRAY);
+	__type(key, int);
+	__type(value, int);
+	__uint(max_entries, 16);
+} map_weak __weak SEC(".maps");
+
+int output_first2;
+int output_second2;
+int output_weak2;
+
+SEC("raw_tp/sys_enter")
+int BPF_PROG(handler_enter2)
+{
+	/* update values with key = 2 */
+	int key = 2, val = 2;
+	key_type key_struct = { .x = 2 };
+	value_type val_struct = { .x = 2000 };
+
+	bpf_map_update_elem(&map1, &key_struct, &val_struct, 0);
+	bpf_map_update_elem(&map2, &key, &val, 0);
+	bpf_map_update_elem(&map_weak, &key, &val, 0);
+
+	return 0;
+}
+
+SEC("raw_tp/sys_exit")
+int BPF_PROG(handler_exit2)
+{
+	/* lookup values with key = 1, set in another file */
+	int key = 1, *val;
+	key_type key_struct = { .x = 1 };
+	value_type *value_struct;
+
+	value_struct = bpf_map_lookup_elem(&map1, &key_struct);
+	if (value_struct)
+		output_first2 = value_struct->x;
+
+	val = bpf_map_lookup_elem(&map2, &key);
+	if (val)
+		output_second2 = *val;
+
+	val = bpf_map_lookup_elem(&map_weak, &key);
+	if (val)
+		output_weak2 = *val;
+
+	return 0;
+}
+
+char LICENSE[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/linked_vars1.c b/tools/testing/selftests/bpf/progs/linked_vars1.c
new file mode 100644
index 000000000..ef9e9d0bb
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/linked_vars1.c
@@ -0,0 +1,54 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2021 Facebook */
+
+#include "vmlinux.h"
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_tracing.h>
+
+extern int LINUX_KERNEL_VERSION __kconfig;
+/* this weak extern will be strict due to the other file's strong extern */
+extern bool CONFIG_BPF_SYSCALL __kconfig __weak;
+extern const void bpf_link_fops __ksym __weak;
+
+int input_bss1;
+int input_data1 = 1;
+const volatile int input_rodata1 = 11;
+
+int input_bss_weak __weak;
+/* these two definitions should win */
+int input_data_weak __weak = 10;
+const volatile int input_rodata_weak __weak = 100;
+
+extern int input_bss2;
+extern int input_data2;
+extern const int input_rodata2;
+
+int output_bss1;
+int output_data1;
+int output_rodata1;
+
+long output_sink1;
+
+static __noinline int get_bss_res(void)
+{
+	/* just make sure all the relocations work against .text as well */
+	return input_bss1 + input_bss2 + input_bss_weak;
+}
+
+SEC("raw_tp/sys_enter")
+int BPF_PROG(handler1)
+{
+	output_bss1 = get_bss_res();
+	output_data1 = input_data1 + input_data2 + input_data_weak;
+	output_rodata1 = input_rodata1 + input_rodata2 + input_rodata_weak;
+
+	/* make sure we actually use above special externs, otherwise compiler
+	 * will optimize them out
+	 */
+	output_sink1 = LINUX_KERNEL_VERSION
+		       + CONFIG_BPF_SYSCALL
+		       + (long)&bpf_link_fops;
+	return 0;
+}
+
+char LICENSE[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/linked_vars2.c b/tools/testing/selftests/bpf/progs/linked_vars2.c
new file mode 100644
index 000000000..e4f5bd388
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/linked_vars2.c
@@ -0,0 +1,55 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2021 Facebook */
+
+#include "vmlinux.h"
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_tracing.h>
+
+extern int LINUX_KERNEL_VERSION __kconfig;
+/* when an extern is defined as both strong and weak, resulting symbol will be strong */
+extern bool CONFIG_BPF_SYSCALL __kconfig;
+extern const void __start_BTF __ksym;
+
+int input_bss2;
+int input_data2 = 2;
+const volatile int input_rodata2 = 22;
+
+int input_bss_weak __weak;
+/* these two weak variables should lose */
+int input_data_weak __weak = 20;
+const volatile int input_rodata_weak __weak = 200;
+
+extern int input_bss1;
+extern int input_data1;
+extern const int input_rodata1;
+
+int output_bss2;
+int output_data2;
+int output_rodata2;
+
+int output_sink2;
+
+static __noinline int get_data_res(void)
+{
+	/* just make sure all the relocations work against .text as well */
+	return input_data1 + input_data2 + input_data_weak;
+}
+
+SEC("raw_tp/sys_enter")
+int BPF_PROG(handler2)
+{
+	output_bss2 = input_bss1 + input_bss2 + input_bss_weak;
+	output_data2 = get_data_res();
+	output_rodata2 = input_rodata1 + input_rodata2 + input_rodata_weak;
+
+	/* make sure we actually use above special externs, otherwise compiler
+	 * will optimize them out
+	 */
+	output_sink2 = LINUX_KERNEL_VERSION
+		       + CONFIG_BPF_SYSCALL
+		       + (long)&__start_BTF;
+
+	return 0;
+}
+
+char LICENSE[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/load_bytes_relative.c b/tools/testing/selftests/bpf/progs/load_bytes_relative.c
new file mode 100644
index 000000000..dc1d04a7a
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/load_bytes_relative.c
@@ -0,0 +1,48 @@
+// SPDX-License-Identifier: GPL-2.0-only
+
+/*
+ * Copyright 2020 Google LLC.
+ */
+
+#include <errno.h>
+#include <linux/bpf.h>
+#include <linux/if_ether.h>
+#include <linux/ip.h>
+#include <bpf/bpf_helpers.h>
+
+struct {
+	__uint(type, BPF_MAP_TYPE_ARRAY);
+	__uint(max_entries, 1);
+	__type(key, __u32);
+	__type(value, __u32);
+} test_result SEC(".maps");
+
+SEC("cgroup_skb/egress")
+int load_bytes_relative(struct __sk_buff *skb)
+{
+	struct ethhdr eth;
+	struct iphdr iph;
+
+	__u32 map_key = 0;
+	__u32 test_passed = 0;
+
+	/* MAC header is not set by the time cgroup_skb/egress triggers */
+	if (bpf_skb_load_bytes_relative(skb, 0, &eth, sizeof(eth),
+					BPF_HDR_START_MAC) != -EFAULT)
+		goto fail;
+
+	if (bpf_skb_load_bytes_relative(skb, 0, &iph, sizeof(iph),
+					BPF_HDR_START_NET))
+		goto fail;
+
+	if (bpf_skb_load_bytes_relative(skb, 0xffff, &iph, sizeof(iph),
+					BPF_HDR_START_NET) != -EFAULT)
+		goto fail;
+
+	test_passed = 1;
+
+fail:
+	bpf_map_update_elem(&test_result, &map_key, &test_passed, BPF_ANY);
+
+	return 1;
+}
diff --git a/tools/testing/selftests/bpf/progs/local_storage.c b/tools/testing/selftests/bpf/progs/local_storage.c
new file mode 100644
index 000000000..19423ed86
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/local_storage.c
@@ -0,0 +1,188 @@
+// SPDX-License-Identifier: GPL-2.0
+
+/*
+ * Copyright 2020 Google LLC.
+ */
+
+#include "vmlinux.h"
+#include <errno.h>
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_tracing.h>
+
+char _license[] SEC("license") = "GPL";
+
+#define DUMMY_STORAGE_VALUE 0xdeadbeef
+
+int monitored_pid = 0;
+int inode_storage_result = -1;
+int sk_storage_result = -1;
+
+struct local_storage {
+	struct inode *exec_inode;
+	__u32 value;
+};
+
+struct {
+	__uint(type, BPF_MAP_TYPE_INODE_STORAGE);
+	__uint(map_flags, BPF_F_NO_PREALLOC);
+	__type(key, int);
+	__type(value, struct local_storage);
+} inode_storage_map SEC(".maps");
+
+struct {
+	__uint(type, BPF_MAP_TYPE_SK_STORAGE);
+	__uint(map_flags, BPF_F_NO_PREALLOC | BPF_F_CLONE);
+	__type(key, int);
+	__type(value, struct local_storage);
+} sk_storage_map SEC(".maps");
+
+struct {
+	__uint(type, BPF_MAP_TYPE_SK_STORAGE);
+	__uint(map_flags, BPF_F_NO_PREALLOC | BPF_F_CLONE);
+	__type(key, int);
+	__type(value, struct local_storage);
+} sk_storage_map2 SEC(".maps");
+
+struct {
+	__uint(type, BPF_MAP_TYPE_TASK_STORAGE);
+	__uint(map_flags, BPF_F_NO_PREALLOC);
+	__type(key, int);
+	__type(value, struct local_storage);
+} task_storage_map SEC(".maps");
+
+SEC("lsm/inode_unlink")
+int BPF_PROG(unlink_hook, struct inode *dir, struct dentry *victim)
+{
+	__u32 pid = bpf_get_current_pid_tgid() >> 32;
+	struct local_storage *storage;
+	bool is_self_unlink;
+
+	if (pid != monitored_pid)
+		return 0;
+
+	storage = bpf_task_storage_get(&task_storage_map,
+				       bpf_get_current_task_btf(), 0, 0);
+	if (storage) {
+		/* Don't let an executable delete itself */
+		is_self_unlink = storage->exec_inode == victim->d_inode;
+		if (is_self_unlink)
+			return -EPERM;
+	}
+
+	return 0;
+}
+
+SEC("lsm.s/inode_rename")
+int BPF_PROG(inode_rename, struct inode *old_dir, struct dentry *old_dentry,
+	     struct inode *new_dir, struct dentry *new_dentry,
+	     unsigned int flags)
+{
+	__u32 pid = bpf_get_current_pid_tgid() >> 32;
+	struct local_storage *storage;
+	int err;
+
+	/* new_dentry->d_inode can be NULL when the inode is renamed to a file
+	 * that did not exist before. The helper should be able to handle this
+	 * NULL pointer.
+	 */
+	bpf_inode_storage_get(&inode_storage_map, new_dentry->d_inode, 0,
+			      BPF_LOCAL_STORAGE_GET_F_CREATE);
+
+	storage = bpf_inode_storage_get(&inode_storage_map, old_dentry->d_inode,
+					0, 0);
+	if (!storage)
+		return 0;
+
+	if (storage->value != DUMMY_STORAGE_VALUE)
+		inode_storage_result = -1;
+
+	err = bpf_inode_storage_delete(&inode_storage_map, old_dentry->d_inode);
+	if (!err)
+		inode_storage_result = err;
+
+	return 0;
+}
+
+SEC("lsm.s/socket_bind")
+int BPF_PROG(socket_bind, struct socket *sock, struct sockaddr *address,
+	     int addrlen)
+{
+	__u32 pid = bpf_get_current_pid_tgid() >> 32;
+	struct local_storage *storage;
+	int err;
+
+	if (pid != monitored_pid)
+		return 0;
+
+	storage = bpf_sk_storage_get(&sk_storage_map, sock->sk, 0,
+				     BPF_LOCAL_STORAGE_GET_F_CREATE);
+	if (!storage)
+		return 0;
+
+	if (storage->value != DUMMY_STORAGE_VALUE)
+		sk_storage_result = -1;
+
+	/* This tests that we can associate multiple elements
+	 * with the local storage.
+	 */
+	storage = bpf_sk_storage_get(&sk_storage_map2, sock->sk, 0,
+				     BPF_LOCAL_STORAGE_GET_F_CREATE);
+	if (!storage)
+		return 0;
+
+	err = bpf_sk_storage_delete(&sk_storage_map, sock->sk);
+	if (err)
+		return 0;
+
+	err = bpf_sk_storage_delete(&sk_storage_map2, sock->sk);
+	if (!err)
+		sk_storage_result = err;
+
+	return 0;
+}
+
+SEC("lsm.s/socket_post_create")
+int BPF_PROG(socket_post_create, struct socket *sock, int family, int type,
+	     int protocol, int kern)
+{
+	__u32 pid = bpf_get_current_pid_tgid() >> 32;
+	struct local_storage *storage;
+
+	if (pid != monitored_pid)
+		return 0;
+
+	storage = bpf_sk_storage_get(&sk_storage_map, sock->sk, 0,
+				     BPF_LOCAL_STORAGE_GET_F_CREATE);
+	if (!storage)
+		return 0;
+
+	storage->value = DUMMY_STORAGE_VALUE;
+
+	return 0;
+}
+
+/* This uses the local storage to remember the inode of the binary that a
+ * process was originally executing.
+ */
+SEC("lsm.s/bprm_committed_creds")
+void BPF_PROG(exec, struct linux_binprm *bprm)
+{
+	__u32 pid = bpf_get_current_pid_tgid() >> 32;
+	struct local_storage *storage;
+
+	if (pid != monitored_pid)
+		return;
+
+	storage = bpf_task_storage_get(&task_storage_map,
+				       bpf_get_current_task_btf(), 0,
+				       BPF_LOCAL_STORAGE_GET_F_CREATE);
+	if (storage)
+		storage->exec_inode = bprm->file->f_inode;
+
+	storage = bpf_inode_storage_get(&inode_storage_map, bprm->file->f_inode,
+					0, BPF_LOCAL_STORAGE_GET_F_CREATE);
+	if (!storage)
+		return;
+
+	storage->value = DUMMY_STORAGE_VALUE;
+}
diff --git a/tools/testing/selftests/bpf/progs/local_storage_bench.c b/tools/testing/selftests/bpf/progs/local_storage_bench.c
new file mode 100644
index 000000000..2c3234c5b
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/local_storage_bench.c
@@ -0,0 +1,104 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2022 Meta Platforms, Inc. and affiliates. */
+
+#include "vmlinux.h"
+#include <bpf/bpf_helpers.h>
+#include "bpf_misc.h"
+
+#define HASHMAP_SZ 4194304
+
+struct {
+	__uint(type, BPF_MAP_TYPE_ARRAY_OF_MAPS);
+	__uint(max_entries, 1000);
+	__type(key, int);
+	__type(value, int);
+	__array(values, struct {
+		__uint(type, BPF_MAP_TYPE_TASK_STORAGE);
+		__uint(map_flags, BPF_F_NO_PREALLOC);
+		__type(key, int);
+		__type(value, int);
+	});
+} array_of_local_storage_maps SEC(".maps");
+
+struct {
+	__uint(type, BPF_MAP_TYPE_ARRAY_OF_MAPS);
+	__uint(max_entries, 1000);
+	__type(key, int);
+	__type(value, int);
+	__array(values, struct {
+		__uint(type, BPF_MAP_TYPE_HASH);
+		__uint(max_entries, HASHMAP_SZ);
+		__type(key, int);
+		__type(value, int);
+	});
+} array_of_hash_maps SEC(".maps");
+
+long important_hits;
+long hits;
+
+/* set from user-space */
+const volatile unsigned int use_hashmap;
+const volatile unsigned int hashmap_num_keys;
+const volatile unsigned int num_maps;
+const volatile unsigned int interleave;
+
+struct loop_ctx {
+	struct task_struct *task;
+	long loop_hits;
+	long loop_important_hits;
+};
+
+static int do_lookup(unsigned int elem, struct loop_ctx *lctx)
+{
+	void *map, *inner_map;
+	int idx = 0;
+
+	if (use_hashmap)
+		map = &array_of_hash_maps;
+	else
+		map = &array_of_local_storage_maps;
+
+	inner_map = bpf_map_lookup_elem(map, &elem);
+	if (!inner_map)
+		return -1;
+
+	if (use_hashmap) {
+		idx = bpf_get_prandom_u32() % hashmap_num_keys;
+		bpf_map_lookup_elem(inner_map, &idx);
+	} else {
+		bpf_task_storage_get(inner_map, lctx->task, &idx,
+				     BPF_LOCAL_STORAGE_GET_F_CREATE);
+	}
+
+	lctx->loop_hits++;
+	if (!elem)
+		lctx->loop_important_hits++;
+	return 0;
+}
+
+static long loop(u32 index, void *ctx)
+{
+	struct loop_ctx *lctx = (struct loop_ctx *)ctx;
+	unsigned int map_idx = index % num_maps;
+
+	do_lookup(map_idx, lctx);
+	if (interleave && map_idx % 3 == 0)
+		do_lookup(0, lctx);
+	return 0;
+}
+
+SEC("fentry/" SYS_PREFIX "sys_getpgid")
+int get_local(void *ctx)
+{
+	struct loop_ctx lctx;
+
+	lctx.task = bpf_get_current_task_btf();
+	lctx.loop_hits = 0;
+	lctx.loop_important_hits = 0;
+	bpf_loop(10000, &loop, &lctx, 0);
+	__sync_add_and_fetch(&hits, lctx.loop_hits);
+	__sync_add_and_fetch(&important_hits, lctx.loop_important_hits);
+	return 0;
+}
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/local_storage_rcu_tasks_trace_bench.c b/tools/testing/selftests/bpf/progs/local_storage_rcu_tasks_trace_bench.c
new file mode 100644
index 000000000..03bf69f49
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/local_storage_rcu_tasks_trace_bench.c
@@ -0,0 +1,67 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2022 Meta Platforms, Inc. and affiliates. */
+
+#include "vmlinux.h"
+#include <bpf/bpf_helpers.h>
+#include "bpf_misc.h"
+
+struct {
+	__uint(type, BPF_MAP_TYPE_TASK_STORAGE);
+	__uint(map_flags, BPF_F_NO_PREALLOC);
+	__type(key, int);
+	__type(value, int);
+} task_storage SEC(".maps");
+
+long hits;
+long gp_hits;
+long gp_times;
+long current_gp_start;
+long unexpected;
+bool postgp_seen;
+
+SEC("fentry/" SYS_PREFIX "sys_getpgid")
+int get_local(void *ctx)
+{
+	struct task_struct *task;
+	int idx;
+	int *s;
+
+	idx = 0;
+	task = bpf_get_current_task_btf();
+	s = bpf_task_storage_get(&task_storage, task, &idx,
+				 BPF_LOCAL_STORAGE_GET_F_CREATE);
+	if (!s)
+		return 0;
+
+	*s = 3;
+	bpf_task_storage_delete(&task_storage, task);
+	__sync_add_and_fetch(&hits, 1);
+	return 0;
+}
+
+SEC("fentry/rcu_tasks_trace_pregp_step")
+int pregp_step(struct pt_regs *ctx)
+{
+	current_gp_start = bpf_ktime_get_ns();
+	return 0;
+}
+
+SEC("fentry/rcu_tasks_trace_postgp")
+int postgp(struct pt_regs *ctx)
+{
+	if (!current_gp_start && postgp_seen) {
+		/* Will only happen if prog tracing rcu_tasks_trace_pregp_step doesn't
+		 * execute before this prog
+		 */
+		__sync_add_and_fetch(&unexpected, 1);
+		return 0;
+	}
+
+	__sync_add_and_fetch(&gp_times, bpf_ktime_get_ns() - current_gp_start);
+	__sync_add_and_fetch(&gp_hits, 1);
+	current_gp_start = 0;
+	postgp_seen = true;
+	return 0;
+}
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/loop1.c b/tools/testing/selftests/bpf/progs/loop1.c
new file mode 100644
index 000000000..50e66772c
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/loop1.c
@@ -0,0 +1,29 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (c) 2019 Facebook
+#include <linux/sched.h>
+#include <linux/ptrace.h>
+#include <stdint.h>
+#include <stddef.h>
+#include <stdbool.h>
+#include <linux/bpf.h>
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_tracing.h>
+
+char _license[] SEC("license") = "GPL";
+
+SEC("raw_tracepoint/kfree_skb")
+int nested_loops(volatile struct pt_regs* ctx)
+{
+	int i, j, sum = 0, m;
+
+	for (j = 0; j < 300; j++)
+		for (i = 0; i < j; i++) {
+			if (j & 1)
+				m = PT_REGS_RC(ctx);
+			else
+				m = j;
+			sum += i * m;
+		}
+
+	return sum;
+}
diff --git a/tools/testing/selftests/bpf/progs/loop2.c b/tools/testing/selftests/bpf/progs/loop2.c
new file mode 100644
index 000000000..947bb7e98
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/loop2.c
@@ -0,0 +1,29 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (c) 2019 Facebook
+#include <linux/sched.h>
+#include <linux/ptrace.h>
+#include <stdint.h>
+#include <stddef.h>
+#include <stdbool.h>
+#include <linux/bpf.h>
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_tracing.h>
+
+char _license[] SEC("license") = "GPL";
+
+SEC("raw_tracepoint/consume_skb")
+int while_true(volatile struct pt_regs* ctx)
+{
+	int i = 0;
+
+	while (true) {
+		if (PT_REGS_RC(ctx) & 1)
+			i += 3;
+		else
+			i += 7;
+		if (i > 40)
+			break;
+	}
+
+	return i;
+}
diff --git a/tools/testing/selftests/bpf/progs/loop3.c b/tools/testing/selftests/bpf/progs/loop3.c
new file mode 100644
index 000000000..717dab143
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/loop3.c
@@ -0,0 +1,23 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (c) 2019 Facebook
+#include <linux/sched.h>
+#include <linux/ptrace.h>
+#include <stdint.h>
+#include <stddef.h>
+#include <stdbool.h>
+#include <linux/bpf.h>
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_tracing.h>
+
+char _license[] SEC("license") = "GPL";
+
+SEC("raw_tracepoint/consume_skb")
+int while_true(struct pt_regs *ctx)
+{
+	volatile __u64 i = 0, sum = 0;
+	do {
+		i++;
+		sum += PT_REGS_RC(ctx);
+	} while (i < 0x100000000ULL);
+	return sum;
+}
diff --git a/tools/testing/selftests/bpf/progs/loop4.c b/tools/testing/selftests/bpf/progs/loop4.c
new file mode 100644
index 000000000..b35337926
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/loop4.c
@@ -0,0 +1,18 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (c) 2019 Facebook
+#include <linux/bpf.h>
+#include <bpf/bpf_helpers.h>
+
+char _license[] SEC("license") = "GPL";
+
+SEC("socket")
+int combinations(volatile struct __sk_buff* skb)
+{
+	int ret = 0, i;
+
+#pragma nounroll
+	for (i = 0; i < 20; i++)
+		if (skb->len)
+			ret |= 1 << i;
+	return ret;
+}
diff --git a/tools/testing/selftests/bpf/progs/loop5.c b/tools/testing/selftests/bpf/progs/loop5.c
new file mode 100644
index 000000000..1b13f37f8
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/loop5.c
@@ -0,0 +1,31 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (c) 2019 Facebook
+#include <linux/bpf.h>
+#include <bpf/bpf_helpers.h>
+
+char _license[] SEC("license") = "GPL";
+
+SEC("socket")
+int while_true(volatile struct __sk_buff* skb)
+{
+	int i = 0;
+
+	while (1) {
+		if (skb->len)
+			i += 3;
+		else
+			i += 7;
+		if (i == 9)
+			break;
+		barrier();
+		if (i == 10)
+			break;
+		barrier();
+		if (i == 13)
+			break;
+		barrier();
+		if (i == 14)
+			break;
+	}
+	return i;
+}
diff --git a/tools/testing/selftests/bpf/progs/loop6.c b/tools/testing/selftests/bpf/progs/loop6.c
new file mode 100644
index 000000000..38de0331e
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/loop6.c
@@ -0,0 +1,99 @@
+// SPDX-License-Identifier: GPL-2.0
+
+#include <linux/ptrace.h>
+#include <stddef.h>
+#include <linux/bpf.h>
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_tracing.h>
+
+char _license[] SEC("license") = "GPL";
+
+/* typically virtio scsi has max SGs of 6 */
+#define VIRTIO_MAX_SGS	6
+
+/* Verifier will fail with SG_MAX = 128. The failure can be
+ * workarounded with a smaller SG_MAX, e.g. 10.
+ */
+#define WORKAROUND
+#ifdef WORKAROUND
+#define SG_MAX		10
+#else
+/* typically virtio blk has max SEG of 128 */
+#define SG_MAX		128
+#endif
+
+#define SG_CHAIN	0x01UL
+#define SG_END		0x02UL
+
+struct scatterlist {
+	unsigned long   page_link;
+	unsigned int    offset;
+	unsigned int    length;
+};
+
+#define sg_is_chain(sg)		((sg)->page_link & SG_CHAIN)
+#define sg_is_last(sg)		((sg)->page_link & SG_END)
+#define sg_chain_ptr(sg)	\
+	((struct scatterlist *) ((sg)->page_link & ~(SG_CHAIN | SG_END)))
+
+static inline struct scatterlist *__sg_next(struct scatterlist *sgp)
+{
+	struct scatterlist sg;
+
+	bpf_probe_read_kernel(&sg, sizeof(sg), sgp);
+	if (sg_is_last(&sg))
+		return NULL;
+
+	sgp++;
+
+	bpf_probe_read_kernel(&sg, sizeof(sg), sgp);
+	if (sg_is_chain(&sg))
+		sgp = sg_chain_ptr(&sg);
+
+	return sgp;
+}
+
+static inline struct scatterlist *get_sgp(struct scatterlist **sgs, int i)
+{
+	struct scatterlist *sgp;
+
+	bpf_probe_read_kernel(&sgp, sizeof(sgp), sgs + i);
+	return sgp;
+}
+
+int config = 0;
+int result = 0;
+
+SEC("kprobe/virtqueue_add_sgs")
+int BPF_KPROBE(trace_virtqueue_add_sgs, void *unused, struct scatterlist **sgs,
+	       unsigned int out_sgs, unsigned int in_sgs)
+{
+	struct scatterlist *sgp = NULL;
+	__u64 length1 = 0, length2 = 0;
+	unsigned int i, n, len;
+
+	if (config != 0)
+		return 0;
+
+	for (i = 0; (i < VIRTIO_MAX_SGS) && (i < out_sgs); i++) {
+		for (n = 0, sgp = get_sgp(sgs, i); sgp && (n < SG_MAX);
+		     sgp = __sg_next(sgp)) {
+			bpf_probe_read_kernel(&len, sizeof(len), &sgp->length);
+			length1 += len;
+			n++;
+		}
+	}
+
+	for (i = 0; (i < VIRTIO_MAX_SGS) && (i < in_sgs); i++) {
+		for (n = 0, sgp = get_sgp(sgs, i); sgp && (n < SG_MAX);
+		     sgp = __sg_next(sgp)) {
+			bpf_probe_read_kernel(&len, sizeof(len), &sgp->length);
+			length2 += len;
+			n++;
+		}
+	}
+
+	config = 1;
+	result = length2 - length1;
+	return 0;
+}
diff --git a/tools/testing/selftests/bpf/progs/lru_bug.c b/tools/testing/selftests/bpf/progs/lru_bug.c
new file mode 100644
index 000000000..687081a72
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/lru_bug.c
@@ -0,0 +1,49 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <vmlinux.h>
+#include <bpf/bpf_tracing.h>
+#include <bpf/bpf_helpers.h>
+
+struct map_value {
+	struct task_struct __kptr *ptr;
+};
+
+struct {
+	__uint(type, BPF_MAP_TYPE_LRU_HASH);
+	__uint(max_entries, 1);
+	__type(key, int);
+	__type(value, struct map_value);
+} lru_map SEC(".maps");
+
+int pid = 0;
+int result = 1;
+
+SEC("fentry/bpf_ktime_get_ns")
+int printk(void *ctx)
+{
+	struct map_value v = {};
+
+	if (pid == bpf_get_current_task_btf()->pid)
+		bpf_map_update_elem(&lru_map, &(int){0}, &v, 0);
+	return 0;
+}
+
+SEC("fentry/do_nanosleep")
+int nanosleep(void *ctx)
+{
+	struct map_value val = {}, *v;
+	struct task_struct *current;
+
+	bpf_map_update_elem(&lru_map, &(int){0}, &val, 0);
+	v = bpf_map_lookup_elem(&lru_map, &(int){0});
+	if (!v)
+		return 0;
+	bpf_map_delete_elem(&lru_map, &(int){0});
+	current = bpf_get_current_task_btf();
+	v->ptr = current;
+	pid = current->pid;
+	bpf_ktime_get_ns();
+	result = !v->ptr;
+	return 0;
+}
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/lsm.c b/tools/testing/selftests/bpf/progs/lsm.c
new file mode 100644
index 000000000..d8d8af623
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/lsm.c
@@ -0,0 +1,180 @@
+// SPDX-License-Identifier: GPL-2.0
+
+/*
+ * Copyright 2020 Google LLC.
+ */
+
+#include "bpf_misc.h"
+#include "vmlinux.h"
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_tracing.h>
+#include  <errno.h>
+
+struct {
+	__uint(type, BPF_MAP_TYPE_ARRAY);
+	__uint(max_entries, 1);
+	__type(key, __u32);
+	__type(value, __u64);
+} array SEC(".maps");
+
+struct {
+	__uint(type, BPF_MAP_TYPE_HASH);
+	__uint(max_entries, 1);
+	__type(key, __u32);
+	__type(value, __u64);
+} hash SEC(".maps");
+
+struct {
+	__uint(type, BPF_MAP_TYPE_LRU_HASH);
+	__uint(max_entries, 1);
+	__type(key, __u32);
+	__type(value, __u64);
+} lru_hash SEC(".maps");
+
+struct {
+	__uint(type, BPF_MAP_TYPE_PERCPU_ARRAY);
+	__uint(max_entries, 1);
+	__type(key, __u32);
+	__type(value, __u64);
+} percpu_array SEC(".maps");
+
+struct {
+	__uint(type, BPF_MAP_TYPE_PERCPU_HASH);
+	__uint(max_entries, 1);
+	__type(key, __u32);
+	__type(value, __u64);
+} percpu_hash SEC(".maps");
+
+struct {
+	__uint(type, BPF_MAP_TYPE_LRU_PERCPU_HASH);
+	__uint(max_entries, 1);
+	__type(key, __u32);
+	__type(value, __u64);
+} lru_percpu_hash SEC(".maps");
+
+struct inner_map {
+	__uint(type, BPF_MAP_TYPE_ARRAY);
+	__uint(max_entries, 1);
+	__type(key, int);
+	__type(value, __u64);
+} inner_map SEC(".maps");
+
+struct outer_arr {
+	__uint(type, BPF_MAP_TYPE_ARRAY_OF_MAPS);
+	__uint(max_entries, 1);
+	__uint(key_size, sizeof(int));
+	__uint(value_size, sizeof(int));
+	__array(values, struct inner_map);
+} outer_arr SEC(".maps") = {
+	.values = { [0] = &inner_map },
+};
+
+struct outer_hash {
+	__uint(type, BPF_MAP_TYPE_HASH_OF_MAPS);
+	__uint(max_entries, 1);
+	__uint(key_size, sizeof(int));
+	__array(values, struct inner_map);
+} outer_hash SEC(".maps") = {
+	.values = { [0] = &inner_map },
+};
+
+char _license[] SEC("license") = "GPL";
+
+int monitored_pid = 0;
+int mprotect_count = 0;
+int bprm_count = 0;
+
+SEC("lsm/file_mprotect")
+int BPF_PROG(test_int_hook, struct vm_area_struct *vma,
+	     unsigned long reqprot, unsigned long prot, int ret)
+{
+	if (ret != 0)
+		return ret;
+
+	__u32 pid = bpf_get_current_pid_tgid() >> 32;
+	int is_stack = 0;
+
+	is_stack = (vma->vm_start <= vma->vm_mm->start_stack &&
+		    vma->vm_end >= vma->vm_mm->start_stack);
+
+	if (is_stack && monitored_pid == pid) {
+		mprotect_count++;
+		ret = -EPERM;
+	}
+
+	return ret;
+}
+
+SEC("lsm.s/bprm_committed_creds")
+int BPF_PROG(test_void_hook, struct linux_binprm *bprm)
+{
+	__u32 pid = bpf_get_current_pid_tgid() >> 32;
+	struct inner_map *inner_map;
+	char args[64];
+	__u32 key = 0;
+	__u64 *value;
+
+	if (monitored_pid == pid)
+		bprm_count++;
+
+	bpf_copy_from_user(args, sizeof(args), (void *)bprm->vma->vm_mm->arg_start);
+	bpf_copy_from_user(args, sizeof(args), (void *)bprm->mm->arg_start);
+
+	value = bpf_map_lookup_elem(&array, &key);
+	if (value)
+		*value = 0;
+	value = bpf_map_lookup_elem(&hash, &key);
+	if (value)
+		*value = 0;
+	value = bpf_map_lookup_elem(&lru_hash, &key);
+	if (value)
+		*value = 0;
+	value = bpf_map_lookup_elem(&percpu_array, &key);
+	if (value)
+		*value = 0;
+	value = bpf_map_lookup_elem(&percpu_hash, &key);
+	if (value)
+		*value = 0;
+	value = bpf_map_lookup_elem(&lru_percpu_hash, &key);
+	if (value)
+		*value = 0;
+	inner_map = bpf_map_lookup_elem(&outer_arr, &key);
+	if (inner_map) {
+		value = bpf_map_lookup_elem(inner_map, &key);
+		if (value)
+			*value = 0;
+	}
+	inner_map = bpf_map_lookup_elem(&outer_hash, &key);
+	if (inner_map) {
+		value = bpf_map_lookup_elem(inner_map, &key);
+		if (value)
+			*value = 0;
+	}
+
+	return 0;
+}
+SEC("lsm/task_free") /* lsm/ is ok, lsm.s/ fails */
+int BPF_PROG(test_task_free, struct task_struct *task)
+{
+	return 0;
+}
+
+int copy_test = 0;
+
+SEC("fentry.s/" SYS_PREFIX "sys_setdomainname")
+int BPF_PROG(test_sys_setdomainname, struct pt_regs *regs)
+{
+	void *ptr = (void *)PT_REGS_PARM1(regs);
+	int len = PT_REGS_PARM2(regs);
+	int buf = 0;
+	long ret;
+
+	ret = bpf_copy_from_user(&buf, sizeof(buf), ptr);
+	if (len == -2 && ret == 0 && buf == 1234)
+		copy_test++;
+	if (len == -3 && ret == -EFAULT)
+		copy_test++;
+	if (len == -4 && ret == -EFAULT)
+		copy_test++;
+	return 0;
+}
diff --git a/tools/testing/selftests/bpf/progs/lsm_cgroup.c b/tools/testing/selftests/bpf/progs/lsm_cgroup.c
new file mode 100644
index 000000000..02c11d16b
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/lsm_cgroup.c
@@ -0,0 +1,188 @@
+// SPDX-License-Identifier: GPL-2.0
+
+#include "vmlinux.h"
+#include "bpf_tracing_net.h"
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_tracing.h>
+
+char _license[] SEC("license") = "GPL";
+
+extern bool CONFIG_SECURITY_SELINUX __kconfig __weak;
+extern bool CONFIG_SECURITY_SMACK __kconfig __weak;
+extern bool CONFIG_SECURITY_APPARMOR __kconfig __weak;
+
+#ifndef AF_PACKET
+#define AF_PACKET 17
+#endif
+
+#ifndef AF_UNIX
+#define AF_UNIX 1
+#endif
+
+#ifndef EPERM
+#define EPERM 1
+#endif
+
+struct {
+	__uint(type, BPF_MAP_TYPE_CGROUP_STORAGE);
+	__type(key, __u64);
+	__type(value, __u64);
+} cgroup_storage SEC(".maps");
+
+int called_socket_post_create;
+int called_socket_post_create2;
+int called_socket_bind;
+int called_socket_bind2;
+int called_socket_alloc;
+int called_socket_clone;
+
+static __always_inline int test_local_storage(void)
+{
+	__u64 *val;
+
+	val = bpf_get_local_storage(&cgroup_storage, 0);
+	if (!val)
+		return 0;
+	*val += 1;
+
+	return 1;
+}
+
+static __always_inline int real_create(struct socket *sock, int family,
+				       int protocol)
+{
+	struct sock *sk;
+	int prio = 123;
+
+	/* Reject non-tx-only AF_PACKET. */
+	if (family == AF_PACKET && protocol != 0)
+		return 0; /* EPERM */
+
+	sk = sock->sk;
+	if (!sk)
+		return 1;
+
+	/* The rest of the sockets get default policy. */
+	if (bpf_setsockopt(sk, SOL_SOCKET, SO_PRIORITY, &prio, sizeof(prio)))
+		return 0; /* EPERM */
+
+	/* Make sure bpf_getsockopt is allowed and works. */
+	prio = 0;
+	if (bpf_getsockopt(sk, SOL_SOCKET, SO_PRIORITY, &prio, sizeof(prio)))
+		return 0; /* EPERM */
+	if (prio != 123)
+		return 0; /* EPERM */
+
+	/* Can access cgroup local storage. */
+	if (!test_local_storage())
+		return 0; /* EPERM */
+
+	return 1;
+}
+
+/* __cgroup_bpf_run_lsm_socket */
+SEC("lsm_cgroup/socket_post_create")
+int BPF_PROG(socket_post_create, struct socket *sock, int family,
+	     int type, int protocol, int kern)
+{
+	called_socket_post_create++;
+	return real_create(sock, family, protocol);
+}
+
+/* __cgroup_bpf_run_lsm_socket */
+SEC("lsm_cgroup/socket_post_create")
+int BPF_PROG(socket_post_create2, struct socket *sock, int family,
+	     int type, int protocol, int kern)
+{
+	called_socket_post_create2++;
+	return real_create(sock, family, protocol);
+}
+
+static __always_inline int real_bind(struct socket *sock,
+				     struct sockaddr *address,
+				     int addrlen)
+{
+	struct sockaddr_ll sa = {};
+
+	if (sock->sk->__sk_common.skc_family != AF_PACKET)
+		return 1;
+
+	if (sock->sk->sk_kern_sock)
+		return 1;
+
+	bpf_probe_read_kernel(&sa, sizeof(sa), address);
+	if (sa.sll_protocol)
+		return 0; /* EPERM */
+
+	/* Can access cgroup local storage. */
+	if (!test_local_storage())
+		return 0; /* EPERM */
+
+	return 1;
+}
+
+/* __cgroup_bpf_run_lsm_socket */
+SEC("lsm_cgroup/socket_bind")
+int BPF_PROG(socket_bind, struct socket *sock, struct sockaddr *address,
+	     int addrlen)
+{
+	called_socket_bind++;
+	return real_bind(sock, address, addrlen);
+}
+
+/* __cgroup_bpf_run_lsm_socket */
+SEC("lsm_cgroup/socket_bind")
+int BPF_PROG(socket_bind2, struct socket *sock, struct sockaddr *address,
+	     int addrlen)
+{
+	called_socket_bind2++;
+	return real_bind(sock, address, addrlen);
+}
+
+/* __cgroup_bpf_run_lsm_current (via bpf_lsm_current_hooks) */
+SEC("lsm_cgroup/sk_alloc_security")
+int BPF_PROG(socket_alloc, struct sock *sk, int family, gfp_t priority)
+{
+	called_socket_alloc++;
+	/* if already have non-bpf lsms installed, EPERM will cause memory leak of non-bpf lsms */
+	if (CONFIG_SECURITY_SELINUX || CONFIG_SECURITY_SMACK || CONFIG_SECURITY_APPARMOR)
+		return 1;
+
+	if (family == AF_UNIX)
+		return 0; /* EPERM */
+
+	/* Can access cgroup local storage. */
+	if (!test_local_storage())
+		return 0; /* EPERM */
+
+	return 1;
+}
+
+/* __cgroup_bpf_run_lsm_sock */
+SEC("lsm_cgroup/inet_csk_clone")
+int BPF_PROG(socket_clone, struct sock *newsk, const struct request_sock *req)
+{
+	int prio = 234;
+
+	if (!newsk)
+		return 1;
+
+	/* Accepted request sockets get a different priority. */
+	if (bpf_setsockopt(newsk, SOL_SOCKET, SO_PRIORITY, &prio, sizeof(prio)))
+		return 1;
+
+	/* Make sure bpf_getsockopt is allowed and works. */
+	prio = 0;
+	if (bpf_getsockopt(newsk, SOL_SOCKET, SO_PRIORITY, &prio, sizeof(prio)))
+		return 1;
+	if (prio != 234)
+		return 1;
+
+	/* Can access cgroup local storage. */
+	if (!test_local_storage())
+		return 1;
+
+	called_socket_clone++;
+
+	return 1;
+}
diff --git a/tools/testing/selftests/bpf/progs/lsm_cgroup_nonvoid.c b/tools/testing/selftests/bpf/progs/lsm_cgroup_nonvoid.c
new file mode 100644
index 000000000..6cb0f161f
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/lsm_cgroup_nonvoid.c
@@ -0,0 +1,14 @@
+// SPDX-License-Identifier: GPL-2.0
+
+#include "vmlinux.h"
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_tracing.h>
+
+char _license[] SEC("license") = "GPL";
+
+SEC("lsm_cgroup/inet_csk_clone")
+int BPF_PROG(nonvoid_socket_clone, struct sock *newsk, const struct request_sock *req)
+{
+	/* Can not return any errors from void LSM hooks. */
+	return 0;
+}
diff --git a/tools/testing/selftests/bpf/progs/map_kptr.c b/tools/testing/selftests/bpf/progs/map_kptr.c
new file mode 100644
index 000000000..228ec4536
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/map_kptr.c
@@ -0,0 +1,294 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <vmlinux.h>
+#include <bpf/bpf_tracing.h>
+#include <bpf/bpf_helpers.h>
+
+struct map_value {
+	struct prog_test_ref_kfunc __kptr *unref_ptr;
+	struct prog_test_ref_kfunc __kptr_ref *ref_ptr;
+};
+
+struct array_map {
+	__uint(type, BPF_MAP_TYPE_ARRAY);
+	__type(key, int);
+	__type(value, struct map_value);
+	__uint(max_entries, 1);
+} array_map SEC(".maps");
+
+struct hash_map {
+	__uint(type, BPF_MAP_TYPE_HASH);
+	__type(key, int);
+	__type(value, struct map_value);
+	__uint(max_entries, 1);
+} hash_map SEC(".maps");
+
+struct hash_malloc_map {
+	__uint(type, BPF_MAP_TYPE_HASH);
+	__type(key, int);
+	__type(value, struct map_value);
+	__uint(max_entries, 1);
+	__uint(map_flags, BPF_F_NO_PREALLOC);
+} hash_malloc_map SEC(".maps");
+
+struct lru_hash_map {
+	__uint(type, BPF_MAP_TYPE_LRU_HASH);
+	__type(key, int);
+	__type(value, struct map_value);
+	__uint(max_entries, 1);
+} lru_hash_map SEC(".maps");
+
+#define DEFINE_MAP_OF_MAP(map_type, inner_map_type, name)       \
+	struct {                                                \
+		__uint(type, map_type);                         \
+		__uint(max_entries, 1);                         \
+		__uint(key_size, sizeof(int));                  \
+		__uint(value_size, sizeof(int));                \
+		__array(values, struct inner_map_type);         \
+	} name SEC(".maps") = {                                 \
+		.values = { [0] = &inner_map_type },            \
+	}
+
+DEFINE_MAP_OF_MAP(BPF_MAP_TYPE_ARRAY_OF_MAPS, array_map, array_of_array_maps);
+DEFINE_MAP_OF_MAP(BPF_MAP_TYPE_ARRAY_OF_MAPS, hash_map, array_of_hash_maps);
+DEFINE_MAP_OF_MAP(BPF_MAP_TYPE_ARRAY_OF_MAPS, hash_malloc_map, array_of_hash_malloc_maps);
+DEFINE_MAP_OF_MAP(BPF_MAP_TYPE_ARRAY_OF_MAPS, lru_hash_map, array_of_lru_hash_maps);
+DEFINE_MAP_OF_MAP(BPF_MAP_TYPE_HASH_OF_MAPS, array_map, hash_of_array_maps);
+DEFINE_MAP_OF_MAP(BPF_MAP_TYPE_HASH_OF_MAPS, hash_map, hash_of_hash_maps);
+DEFINE_MAP_OF_MAP(BPF_MAP_TYPE_HASH_OF_MAPS, hash_malloc_map, hash_of_hash_malloc_maps);
+DEFINE_MAP_OF_MAP(BPF_MAP_TYPE_HASH_OF_MAPS, lru_hash_map, hash_of_lru_hash_maps);
+
+extern struct prog_test_ref_kfunc *bpf_kfunc_call_test_acquire(unsigned long *sp) __ksym;
+extern struct prog_test_ref_kfunc *
+bpf_kfunc_call_test_kptr_get(struct prog_test_ref_kfunc **p, int a, int b) __ksym;
+extern void bpf_kfunc_call_test_release(struct prog_test_ref_kfunc *p) __ksym;
+
+#define WRITE_ONCE(x, val) ((*(volatile typeof(x) *) &(x)) = (val))
+
+static void test_kptr_unref(struct map_value *v)
+{
+	struct prog_test_ref_kfunc *p;
+
+	p = v->unref_ptr;
+	/* store untrusted_ptr_or_null_ */
+	WRITE_ONCE(v->unref_ptr, p);
+	if (!p)
+		return;
+	if (p->a + p->b > 100)
+		return;
+	/* store untrusted_ptr_ */
+	WRITE_ONCE(v->unref_ptr, p);
+	/* store NULL */
+	WRITE_ONCE(v->unref_ptr, NULL);
+}
+
+static void test_kptr_ref(struct map_value *v)
+{
+	struct prog_test_ref_kfunc *p;
+
+	p = v->ref_ptr;
+	/* store ptr_or_null_ */
+	WRITE_ONCE(v->unref_ptr, p);
+	if (!p)
+		return;
+	if (p->a + p->b > 100)
+		return;
+	/* store NULL */
+	p = bpf_kptr_xchg(&v->ref_ptr, NULL);
+	if (!p)
+		return;
+	if (p->a + p->b > 100) {
+		bpf_kfunc_call_test_release(p);
+		return;
+	}
+	/* store ptr_ */
+	WRITE_ONCE(v->unref_ptr, p);
+	bpf_kfunc_call_test_release(p);
+
+	p = bpf_kfunc_call_test_acquire(&(unsigned long){0});
+	if (!p)
+		return;
+	/* store ptr_ */
+	p = bpf_kptr_xchg(&v->ref_ptr, p);
+	if (!p)
+		return;
+	if (p->a + p->b > 100) {
+		bpf_kfunc_call_test_release(p);
+		return;
+	}
+	bpf_kfunc_call_test_release(p);
+}
+
+static void test_kptr_get(struct map_value *v)
+{
+	struct prog_test_ref_kfunc *p;
+
+	p = bpf_kfunc_call_test_kptr_get(&v->ref_ptr, 0, 0);
+	if (!p)
+		return;
+	if (p->a + p->b > 100) {
+		bpf_kfunc_call_test_release(p);
+		return;
+	}
+	bpf_kfunc_call_test_release(p);
+}
+
+static void test_kptr(struct map_value *v)
+{
+	test_kptr_unref(v);
+	test_kptr_ref(v);
+	test_kptr_get(v);
+}
+
+SEC("tc")
+int test_map_kptr(struct __sk_buff *ctx)
+{
+	struct map_value *v;
+	int key = 0;
+
+#define TEST(map)					\
+	v = bpf_map_lookup_elem(&map, &key);		\
+	if (!v)						\
+		return 0;				\
+	test_kptr(v)
+
+	TEST(array_map);
+	TEST(hash_map);
+	TEST(hash_malloc_map);
+	TEST(lru_hash_map);
+
+#undef TEST
+	return 0;
+}
+
+SEC("tc")
+int test_map_in_map_kptr(struct __sk_buff *ctx)
+{
+	struct map_value *v;
+	int key = 0;
+	void *map;
+
+#define TEST(map_in_map)                                \
+	map = bpf_map_lookup_elem(&map_in_map, &key);   \
+	if (!map)                                       \
+		return 0;                               \
+	v = bpf_map_lookup_elem(map, &key);		\
+	if (!v)						\
+		return 0;				\
+	test_kptr(v)
+
+	TEST(array_of_array_maps);
+	TEST(array_of_hash_maps);
+	TEST(array_of_hash_malloc_maps);
+	TEST(array_of_lru_hash_maps);
+	TEST(hash_of_array_maps);
+	TEST(hash_of_hash_maps);
+	TEST(hash_of_hash_malloc_maps);
+	TEST(hash_of_lru_hash_maps);
+
+#undef TEST
+	return 0;
+}
+
+SEC("tc")
+int test_map_kptr_ref(struct __sk_buff *ctx)
+{
+	struct prog_test_ref_kfunc *p, *p_st;
+	unsigned long arg = 0;
+	struct map_value *v;
+	int key = 0, ret;
+
+	p = bpf_kfunc_call_test_acquire(&arg);
+	if (!p)
+		return 1;
+
+	p_st = p->next;
+	if (p_st->cnt.refs.counter != 2) {
+		ret = 2;
+		goto end;
+	}
+
+	v = bpf_map_lookup_elem(&array_map, &key);
+	if (!v) {
+		ret = 3;
+		goto end;
+	}
+
+	p = bpf_kptr_xchg(&v->ref_ptr, p);
+	if (p) {
+		ret = 4;
+		goto end;
+	}
+	if (p_st->cnt.refs.counter != 2)
+		return 5;
+
+	p = bpf_kfunc_call_test_kptr_get(&v->ref_ptr, 0, 0);
+	if (!p)
+		return 6;
+	if (p_st->cnt.refs.counter != 3) {
+		ret = 7;
+		goto end;
+	}
+	bpf_kfunc_call_test_release(p);
+	if (p_st->cnt.refs.counter != 2)
+		return 8;
+
+	p = bpf_kptr_xchg(&v->ref_ptr, NULL);
+	if (!p)
+		return 9;
+	bpf_kfunc_call_test_release(p);
+	if (p_st->cnt.refs.counter != 1)
+		return 10;
+
+	p = bpf_kfunc_call_test_acquire(&arg);
+	if (!p)
+		return 11;
+	p = bpf_kptr_xchg(&v->ref_ptr, p);
+	if (p) {
+		ret = 12;
+		goto end;
+	}
+	if (p_st->cnt.refs.counter != 2)
+		return 13;
+	/* Leave in map */
+
+	return 0;
+end:
+	bpf_kfunc_call_test_release(p);
+	return ret;
+}
+
+SEC("tc")
+int test_map_kptr_ref2(struct __sk_buff *ctx)
+{
+	struct prog_test_ref_kfunc *p, *p_st;
+	struct map_value *v;
+	int key = 0;
+
+	v = bpf_map_lookup_elem(&array_map, &key);
+	if (!v)
+		return 1;
+
+	p_st = v->ref_ptr;
+	if (!p_st || p_st->cnt.refs.counter != 2)
+		return 2;
+
+	p = bpf_kptr_xchg(&v->ref_ptr, NULL);
+	if (!p)
+		return 3;
+	if (p_st->cnt.refs.counter != 2) {
+		bpf_kfunc_call_test_release(p);
+		return 4;
+	}
+
+	p = bpf_kptr_xchg(&v->ref_ptr, p);
+	if (p) {
+		bpf_kfunc_call_test_release(p);
+		return 5;
+	}
+	if (p_st->cnt.refs.counter != 2)
+		return 6;
+
+	return 0;
+}
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/map_kptr_fail.c b/tools/testing/selftests/bpf/progs/map_kptr_fail.c
new file mode 100644
index 000000000..05e209b1b
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/map_kptr_fail.c
@@ -0,0 +1,418 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <vmlinux.h>
+#include <bpf/bpf_tracing.h>
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_core_read.h>
+
+struct map_value {
+	char buf[8];
+	struct prog_test_ref_kfunc __kptr *unref_ptr;
+	struct prog_test_ref_kfunc __kptr_ref *ref_ptr;
+	struct prog_test_member __kptr_ref *ref_memb_ptr;
+};
+
+struct array_map {
+	__uint(type, BPF_MAP_TYPE_ARRAY);
+	__type(key, int);
+	__type(value, struct map_value);
+	__uint(max_entries, 1);
+} array_map SEC(".maps");
+
+extern struct prog_test_ref_kfunc *bpf_kfunc_call_test_acquire(unsigned long *sp) __ksym;
+extern struct prog_test_ref_kfunc *
+bpf_kfunc_call_test_kptr_get(struct prog_test_ref_kfunc **p, int a, int b) __ksym;
+
+SEC("?tc")
+int size_not_bpf_dw(struct __sk_buff *ctx)
+{
+	struct map_value *v;
+	int key = 0;
+
+	v = bpf_map_lookup_elem(&array_map, &key);
+	if (!v)
+		return 0;
+
+	*(u32 *)&v->unref_ptr = 0;
+	return 0;
+}
+
+SEC("?tc")
+int non_const_var_off(struct __sk_buff *ctx)
+{
+	struct map_value *v;
+	int key = 0, id;
+
+	v = bpf_map_lookup_elem(&array_map, &key);
+	if (!v)
+		return 0;
+
+	id = ctx->protocol;
+	if (id < 4 || id > 12)
+		return 0;
+	*(u64 *)((void *)v + id) = 0;
+
+	return 0;
+}
+
+SEC("?tc")
+int non_const_var_off_kptr_xchg(struct __sk_buff *ctx)
+{
+	struct map_value *v;
+	int key = 0, id;
+
+	v = bpf_map_lookup_elem(&array_map, &key);
+	if (!v)
+		return 0;
+
+	id = ctx->protocol;
+	if (id < 4 || id > 12)
+		return 0;
+	bpf_kptr_xchg((void *)v + id, NULL);
+
+	return 0;
+}
+
+SEC("?tc")
+int misaligned_access_write(struct __sk_buff *ctx)
+{
+	struct map_value *v;
+	int key = 0;
+
+	v = bpf_map_lookup_elem(&array_map, &key);
+	if (!v)
+		return 0;
+
+	*(void **)((void *)v + 7) = NULL;
+
+	return 0;
+}
+
+SEC("?tc")
+int misaligned_access_read(struct __sk_buff *ctx)
+{
+	struct map_value *v;
+	int key = 0;
+
+	v = bpf_map_lookup_elem(&array_map, &key);
+	if (!v)
+		return 0;
+
+	return *(u64 *)((void *)v + 1);
+}
+
+SEC("?tc")
+int reject_var_off_store(struct __sk_buff *ctx)
+{
+	struct prog_test_ref_kfunc *unref_ptr;
+	struct map_value *v;
+	int key = 0, id;
+
+	v = bpf_map_lookup_elem(&array_map, &key);
+	if (!v)
+		return 0;
+
+	unref_ptr = v->unref_ptr;
+	if (!unref_ptr)
+		return 0;
+	id = ctx->protocol;
+	if (id < 4 || id > 12)
+		return 0;
+	unref_ptr += id;
+	v->unref_ptr = unref_ptr;
+
+	return 0;
+}
+
+SEC("?tc")
+int reject_bad_type_match(struct __sk_buff *ctx)
+{
+	struct prog_test_ref_kfunc *unref_ptr;
+	struct map_value *v;
+	int key = 0;
+
+	v = bpf_map_lookup_elem(&array_map, &key);
+	if (!v)
+		return 0;
+
+	unref_ptr = v->unref_ptr;
+	if (!unref_ptr)
+		return 0;
+	unref_ptr = (void *)unref_ptr + 4;
+	v->unref_ptr = unref_ptr;
+
+	return 0;
+}
+
+SEC("?tc")
+int marked_as_untrusted_or_null(struct __sk_buff *ctx)
+{
+	struct map_value *v;
+	int key = 0;
+
+	v = bpf_map_lookup_elem(&array_map, &key);
+	if (!v)
+		return 0;
+
+	bpf_this_cpu_ptr(v->unref_ptr);
+	return 0;
+}
+
+SEC("?tc")
+int correct_btf_id_check_size(struct __sk_buff *ctx)
+{
+	struct prog_test_ref_kfunc *p;
+	struct map_value *v;
+	int key = 0;
+
+	v = bpf_map_lookup_elem(&array_map, &key);
+	if (!v)
+		return 0;
+
+	p = v->unref_ptr;
+	if (!p)
+		return 0;
+	return *(int *)((void *)p + bpf_core_type_size(struct prog_test_ref_kfunc));
+}
+
+SEC("?tc")
+int inherit_untrusted_on_walk(struct __sk_buff *ctx)
+{
+	struct prog_test_ref_kfunc *unref_ptr;
+	struct map_value *v;
+	int key = 0;
+
+	v = bpf_map_lookup_elem(&array_map, &key);
+	if (!v)
+		return 0;
+
+	unref_ptr = v->unref_ptr;
+	if (!unref_ptr)
+		return 0;
+	unref_ptr = unref_ptr->next;
+	bpf_this_cpu_ptr(unref_ptr);
+	return 0;
+}
+
+SEC("?tc")
+int reject_kptr_xchg_on_unref(struct __sk_buff *ctx)
+{
+	struct map_value *v;
+	int key = 0;
+
+	v = bpf_map_lookup_elem(&array_map, &key);
+	if (!v)
+		return 0;
+
+	bpf_kptr_xchg(&v->unref_ptr, NULL);
+	return 0;
+}
+
+SEC("?tc")
+int reject_kptr_get_no_map_val(struct __sk_buff *ctx)
+{
+	bpf_kfunc_call_test_kptr_get((void *)&ctx, 0, 0);
+	return 0;
+}
+
+SEC("?tc")
+int reject_kptr_get_no_null_map_val(struct __sk_buff *ctx)
+{
+	bpf_kfunc_call_test_kptr_get(bpf_map_lookup_elem(&array_map, &(int){0}), 0, 0);
+	return 0;
+}
+
+SEC("?tc")
+int reject_kptr_get_no_kptr(struct __sk_buff *ctx)
+{
+	struct map_value *v;
+	int key = 0;
+
+	v = bpf_map_lookup_elem(&array_map, &key);
+	if (!v)
+		return 0;
+
+	bpf_kfunc_call_test_kptr_get((void *)v, 0, 0);
+	return 0;
+}
+
+SEC("?tc")
+int reject_kptr_get_on_unref(struct __sk_buff *ctx)
+{
+	struct map_value *v;
+	int key = 0;
+
+	v = bpf_map_lookup_elem(&array_map, &key);
+	if (!v)
+		return 0;
+
+	bpf_kfunc_call_test_kptr_get(&v->unref_ptr, 0, 0);
+	return 0;
+}
+
+SEC("?tc")
+int reject_kptr_get_bad_type_match(struct __sk_buff *ctx)
+{
+	struct map_value *v;
+	int key = 0;
+
+	v = bpf_map_lookup_elem(&array_map, &key);
+	if (!v)
+		return 0;
+
+	bpf_kfunc_call_test_kptr_get((void *)&v->ref_memb_ptr, 0, 0);
+	return 0;
+}
+
+SEC("?tc")
+int mark_ref_as_untrusted_or_null(struct __sk_buff *ctx)
+{
+	struct map_value *v;
+	int key = 0;
+
+	v = bpf_map_lookup_elem(&array_map, &key);
+	if (!v)
+		return 0;
+
+	bpf_this_cpu_ptr(v->ref_ptr);
+	return 0;
+}
+
+SEC("?tc")
+int reject_untrusted_store_to_ref(struct __sk_buff *ctx)
+{
+	struct prog_test_ref_kfunc *p;
+	struct map_value *v;
+	int key = 0;
+
+	v = bpf_map_lookup_elem(&array_map, &key);
+	if (!v)
+		return 0;
+
+	p = v->ref_ptr;
+	if (!p)
+		return 0;
+	/* Checkmate, clang */
+	*(struct prog_test_ref_kfunc * volatile *)&v->ref_ptr = p;
+	return 0;
+}
+
+SEC("?tc")
+int reject_untrusted_xchg(struct __sk_buff *ctx)
+{
+	struct prog_test_ref_kfunc *p;
+	struct map_value *v;
+	int key = 0;
+
+	v = bpf_map_lookup_elem(&array_map, &key);
+	if (!v)
+		return 0;
+
+	p = v->ref_ptr;
+	if (!p)
+		return 0;
+	bpf_kptr_xchg(&v->ref_ptr, p);
+	return 0;
+}
+
+SEC("?tc")
+int reject_bad_type_xchg(struct __sk_buff *ctx)
+{
+	struct prog_test_ref_kfunc *ref_ptr;
+	struct map_value *v;
+	int key = 0;
+
+	v = bpf_map_lookup_elem(&array_map, &key);
+	if (!v)
+		return 0;
+
+	ref_ptr = bpf_kfunc_call_test_acquire(&(unsigned long){0});
+	if (!ref_ptr)
+		return 0;
+	bpf_kptr_xchg(&v->ref_memb_ptr, ref_ptr);
+	return 0;
+}
+
+SEC("?tc")
+int reject_member_of_ref_xchg(struct __sk_buff *ctx)
+{
+	struct prog_test_ref_kfunc *ref_ptr;
+	struct map_value *v;
+	int key = 0;
+
+	v = bpf_map_lookup_elem(&array_map, &key);
+	if (!v)
+		return 0;
+
+	ref_ptr = bpf_kfunc_call_test_acquire(&(unsigned long){0});
+	if (!ref_ptr)
+		return 0;
+	bpf_kptr_xchg(&v->ref_memb_ptr, &ref_ptr->memb);
+	return 0;
+}
+
+SEC("?syscall")
+int reject_indirect_helper_access(struct __sk_buff *ctx)
+{
+	struct map_value *v;
+	int key = 0;
+
+	v = bpf_map_lookup_elem(&array_map, &key);
+	if (!v)
+		return 0;
+
+	bpf_get_current_comm(v, sizeof(v->buf) + 1);
+	return 0;
+}
+
+__noinline
+int write_func(int *p)
+{
+	return p ? *p = 42 : 0;
+}
+
+SEC("?tc")
+int reject_indirect_global_func_access(struct __sk_buff *ctx)
+{
+	struct map_value *v;
+	int key = 0;
+
+	v = bpf_map_lookup_elem(&array_map, &key);
+	if (!v)
+		return 0;
+
+	return write_func((void *)v + 5);
+}
+
+SEC("?tc")
+int kptr_xchg_ref_state(struct __sk_buff *ctx)
+{
+	struct prog_test_ref_kfunc *p;
+	struct map_value *v;
+	int key = 0;
+
+	v = bpf_map_lookup_elem(&array_map, &key);
+	if (!v)
+		return 0;
+
+	p = bpf_kfunc_call_test_acquire(&(unsigned long){0});
+	if (!p)
+		return 0;
+	bpf_kptr_xchg(&v->ref_ptr, p);
+	return 0;
+}
+
+SEC("?tc")
+int kptr_get_ref_state(struct __sk_buff *ctx)
+{
+	struct map_value *v;
+	int key = 0;
+
+	v = bpf_map_lookup_elem(&array_map, &key);
+	if (!v)
+		return 0;
+
+	bpf_kfunc_call_test_kptr_get(&v->ref_ptr, 0, 0);
+	return 0;
+}
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/map_ptr_kern.c b/tools/testing/selftests/bpf/progs/map_ptr_kern.c
new file mode 100644
index 000000000..db388f593
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/map_ptr_kern.c
@@ -0,0 +1,698 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (c) 2020 Facebook
+
+#include <linux/bpf.h>
+#include <bpf/bpf_helpers.h>
+
+#define LOOP_BOUND 0xf
+#define MAX_ENTRIES 8
+#define HALF_ENTRIES (MAX_ENTRIES >> 1)
+
+_Static_assert(MAX_ENTRIES < LOOP_BOUND, "MAX_ENTRIES must be < LOOP_BOUND");
+
+enum bpf_map_type g_map_type = BPF_MAP_TYPE_UNSPEC;
+__u32 g_line = 0;
+int page_size = 0; /* userspace should set it */
+
+#define VERIFY_TYPE(type, func) ({	\
+	g_map_type = type;		\
+	if (!func())			\
+		return 0;		\
+})
+
+
+#define VERIFY(expr) ({		\
+	g_line = __LINE__;	\
+	if (!(expr))		\
+		return 0;	\
+})
+
+struct bpf_map {
+	enum bpf_map_type map_type;
+	__u32 key_size;
+	__u32 value_size;
+	__u32 max_entries;
+	__u32 id;
+} __attribute__((preserve_access_index));
+
+static inline int check_bpf_map_fields(struct bpf_map *map, __u32 key_size,
+				       __u32 value_size, __u32 max_entries)
+{
+	VERIFY(map->map_type == g_map_type);
+	VERIFY(map->key_size == key_size);
+	VERIFY(map->value_size == value_size);
+	VERIFY(map->max_entries == max_entries);
+	VERIFY(map->id > 0);
+
+	return 1;
+}
+
+static inline int check_bpf_map_ptr(struct bpf_map *indirect,
+				    struct bpf_map *direct)
+{
+	VERIFY(indirect->map_type == direct->map_type);
+	VERIFY(indirect->key_size == direct->key_size);
+	VERIFY(indirect->value_size == direct->value_size);
+	VERIFY(indirect->max_entries == direct->max_entries);
+	VERIFY(indirect->id == direct->id);
+
+	return 1;
+}
+
+static inline int check(struct bpf_map *indirect, struct bpf_map *direct,
+			__u32 key_size, __u32 value_size, __u32 max_entries)
+{
+	VERIFY(check_bpf_map_ptr(indirect, direct));
+	VERIFY(check_bpf_map_fields(indirect, key_size, value_size,
+				    max_entries));
+	return 1;
+}
+
+static inline int check_default(struct bpf_map *indirect,
+				struct bpf_map *direct)
+{
+	VERIFY(check(indirect, direct, sizeof(__u32), sizeof(__u32),
+		     MAX_ENTRIES));
+	return 1;
+}
+
+static __noinline int
+check_default_noinline(struct bpf_map *indirect, struct bpf_map *direct)
+{
+	VERIFY(check(indirect, direct, sizeof(__u32), sizeof(__u32),
+		     MAX_ENTRIES));
+	return 1;
+}
+
+typedef struct {
+	int counter;
+} atomic_t;
+
+struct bpf_htab {
+	struct bpf_map map;
+	atomic_t count;
+	__u32 n_buckets;
+	__u32 elem_size;
+} __attribute__((preserve_access_index));
+
+struct {
+	__uint(type, BPF_MAP_TYPE_HASH);
+	__uint(map_flags, BPF_F_NO_PREALLOC); /* to test bpf_htab.count */
+	__uint(max_entries, MAX_ENTRIES);
+	__type(key, __u32);
+	__type(value, __u32);
+} m_hash SEC(".maps");
+
+static inline int check_hash(void)
+{
+	struct bpf_htab *hash = (struct bpf_htab *)&m_hash;
+	struct bpf_map *map = (struct bpf_map *)&m_hash;
+	int i;
+
+	VERIFY(check_default_noinline(&hash->map, map));
+
+	VERIFY(hash->n_buckets == MAX_ENTRIES);
+	VERIFY(hash->elem_size == 64);
+
+	VERIFY(hash->count.counter == 0);
+	for (i = 0; i < HALF_ENTRIES; ++i) {
+		const __u32 key = i;
+		const __u32 val = 1;
+
+		if (bpf_map_update_elem(hash, &key, &val, 0))
+			return 0;
+	}
+	VERIFY(hash->count.counter == HALF_ENTRIES);
+
+	return 1;
+}
+
+struct bpf_array {
+	struct bpf_map map;
+	__u32 elem_size;
+} __attribute__((preserve_access_index));
+
+struct {
+	__uint(type, BPF_MAP_TYPE_ARRAY);
+	__uint(max_entries, MAX_ENTRIES);
+	__type(key, __u32);
+	__type(value, __u32);
+} m_array SEC(".maps");
+
+static inline int check_array(void)
+{
+	struct bpf_array *array = (struct bpf_array *)&m_array;
+	struct bpf_map *map = (struct bpf_map *)&m_array;
+	int i, n_lookups = 0, n_keys = 0;
+
+	VERIFY(check_default(&array->map, map));
+
+	VERIFY(array->elem_size == 8);
+
+	for (i = 0; i < array->map.max_entries && i < LOOP_BOUND; ++i) {
+		const __u32 key = i;
+		__u32 *val = bpf_map_lookup_elem(array, &key);
+
+		++n_lookups;
+		if (val)
+			++n_keys;
+	}
+
+	VERIFY(n_lookups == MAX_ENTRIES);
+	VERIFY(n_keys == MAX_ENTRIES);
+
+	return 1;
+}
+
+struct {
+	__uint(type, BPF_MAP_TYPE_PROG_ARRAY);
+	__uint(max_entries, MAX_ENTRIES);
+	__type(key, __u32);
+	__type(value, __u32);
+} m_prog_array SEC(".maps");
+
+static inline int check_prog_array(void)
+{
+	struct bpf_array *prog_array = (struct bpf_array *)&m_prog_array;
+	struct bpf_map *map = (struct bpf_map *)&m_prog_array;
+
+	VERIFY(check_default(&prog_array->map, map));
+
+	return 1;
+}
+
+struct {
+	__uint(type, BPF_MAP_TYPE_PERF_EVENT_ARRAY);
+	__uint(max_entries, MAX_ENTRIES);
+	__type(key, __u32);
+	__type(value, __u32);
+} m_perf_event_array SEC(".maps");
+
+static inline int check_perf_event_array(void)
+{
+	struct bpf_array *perf_event_array = (struct bpf_array *)&m_perf_event_array;
+	struct bpf_map *map = (struct bpf_map *)&m_perf_event_array;
+
+	VERIFY(check_default(&perf_event_array->map, map));
+
+	return 1;
+}
+
+struct {
+	__uint(type, BPF_MAP_TYPE_PERCPU_HASH);
+	__uint(max_entries, MAX_ENTRIES);
+	__type(key, __u32);
+	__type(value, __u32);
+} m_percpu_hash SEC(".maps");
+
+static inline int check_percpu_hash(void)
+{
+	struct bpf_htab *percpu_hash = (struct bpf_htab *)&m_percpu_hash;
+	struct bpf_map *map = (struct bpf_map *)&m_percpu_hash;
+
+	VERIFY(check_default(&percpu_hash->map, map));
+
+	return 1;
+}
+
+struct {
+	__uint(type, BPF_MAP_TYPE_PERCPU_ARRAY);
+	__uint(max_entries, MAX_ENTRIES);
+	__type(key, __u32);
+	__type(value, __u32);
+} m_percpu_array SEC(".maps");
+
+static inline int check_percpu_array(void)
+{
+	struct bpf_array *percpu_array = (struct bpf_array *)&m_percpu_array;
+	struct bpf_map *map = (struct bpf_map *)&m_percpu_array;
+
+	VERIFY(check_default(&percpu_array->map, map));
+
+	return 1;
+}
+
+struct bpf_stack_map {
+	struct bpf_map map;
+} __attribute__((preserve_access_index));
+
+struct {
+	__uint(type, BPF_MAP_TYPE_STACK_TRACE);
+	__uint(max_entries, MAX_ENTRIES);
+	__type(key, __u32);
+	__type(value, __u64);
+} m_stack_trace SEC(".maps");
+
+static inline int check_stack_trace(void)
+{
+	struct bpf_stack_map *stack_trace =
+		(struct bpf_stack_map *)&m_stack_trace;
+	struct bpf_map *map = (struct bpf_map *)&m_stack_trace;
+
+	VERIFY(check(&stack_trace->map, map, sizeof(__u32), sizeof(__u64),
+		     MAX_ENTRIES));
+
+	return 1;
+}
+
+struct {
+	__uint(type, BPF_MAP_TYPE_CGROUP_ARRAY);
+	__uint(max_entries, MAX_ENTRIES);
+	__type(key, __u32);
+	__type(value, __u32);
+} m_cgroup_array SEC(".maps");
+
+static inline int check_cgroup_array(void)
+{
+	struct bpf_array *cgroup_array = (struct bpf_array *)&m_cgroup_array;
+	struct bpf_map *map = (struct bpf_map *)&m_cgroup_array;
+
+	VERIFY(check_default(&cgroup_array->map, map));
+
+	return 1;
+}
+
+struct {
+	__uint(type, BPF_MAP_TYPE_LRU_HASH);
+	__uint(max_entries, MAX_ENTRIES);
+	__type(key, __u32);
+	__type(value, __u32);
+} m_lru_hash SEC(".maps");
+
+static inline int check_lru_hash(void)
+{
+	struct bpf_htab *lru_hash = (struct bpf_htab *)&m_lru_hash;
+	struct bpf_map *map = (struct bpf_map *)&m_lru_hash;
+
+	VERIFY(check_default(&lru_hash->map, map));
+
+	return 1;
+}
+
+struct {
+	__uint(type, BPF_MAP_TYPE_LRU_PERCPU_HASH);
+	__uint(max_entries, MAX_ENTRIES);
+	__type(key, __u32);
+	__type(value, __u32);
+} m_lru_percpu_hash SEC(".maps");
+
+static inline int check_lru_percpu_hash(void)
+{
+	struct bpf_htab *lru_percpu_hash = (struct bpf_htab *)&m_lru_percpu_hash;
+	struct bpf_map *map = (struct bpf_map *)&m_lru_percpu_hash;
+
+	VERIFY(check_default(&lru_percpu_hash->map, map));
+
+	return 1;
+}
+
+struct lpm_trie {
+	struct bpf_map map;
+} __attribute__((preserve_access_index));
+
+struct lpm_key {
+	struct bpf_lpm_trie_key trie_key;
+	__u32 data;
+};
+
+struct {
+	__uint(type, BPF_MAP_TYPE_LPM_TRIE);
+	__uint(map_flags, BPF_F_NO_PREALLOC);
+	__uint(max_entries, MAX_ENTRIES);
+	__type(key, struct lpm_key);
+	__type(value, __u32);
+} m_lpm_trie SEC(".maps");
+
+static inline int check_lpm_trie(void)
+{
+	struct lpm_trie *lpm_trie = (struct lpm_trie *)&m_lpm_trie;
+	struct bpf_map *map = (struct bpf_map *)&m_lpm_trie;
+
+	VERIFY(check(&lpm_trie->map, map, sizeof(struct lpm_key), sizeof(__u32),
+		     MAX_ENTRIES));
+
+	return 1;
+}
+
+#define INNER_MAX_ENTRIES 1234
+
+struct inner_map {
+	__uint(type, BPF_MAP_TYPE_ARRAY);
+	__uint(max_entries, INNER_MAX_ENTRIES);
+	__type(key, __u32);
+	__type(value, __u32);
+} inner_map SEC(".maps");
+
+struct {
+	__uint(type, BPF_MAP_TYPE_ARRAY_OF_MAPS);
+	__uint(max_entries, MAX_ENTRIES);
+	__type(key, __u32);
+	__type(value, __u32);
+	__array(values, struct {
+		__uint(type, BPF_MAP_TYPE_ARRAY);
+		__uint(max_entries, INNER_MAX_ENTRIES);
+		__type(key, __u32);
+		__type(value, __u32);
+	});
+} m_array_of_maps SEC(".maps") = {
+	.values = { (void *)&inner_map, 0, 0, 0, 0, 0, 0, 0, 0 },
+};
+
+static inline int check_array_of_maps(void)
+{
+	struct bpf_array *array_of_maps = (struct bpf_array *)&m_array_of_maps;
+	struct bpf_map *map = (struct bpf_map *)&m_array_of_maps;
+	struct bpf_array *inner_map;
+	int key = 0;
+
+	VERIFY(check_default(&array_of_maps->map, map));
+	inner_map = bpf_map_lookup_elem(array_of_maps, &key);
+	VERIFY(inner_map != NULL);
+	VERIFY(inner_map->map.max_entries == INNER_MAX_ENTRIES);
+
+	return 1;
+}
+
+struct {
+	__uint(type, BPF_MAP_TYPE_HASH_OF_MAPS);
+	__uint(max_entries, MAX_ENTRIES);
+	__type(key, __u32);
+	__type(value, __u32);
+	__array(values, struct inner_map);
+} m_hash_of_maps SEC(".maps") = {
+	.values = {
+		[2] = &inner_map,
+	},
+};
+
+static inline int check_hash_of_maps(void)
+{
+	struct bpf_htab *hash_of_maps = (struct bpf_htab *)&m_hash_of_maps;
+	struct bpf_map *map = (struct bpf_map *)&m_hash_of_maps;
+	struct bpf_htab *inner_map;
+	int key = 2;
+
+	VERIFY(check_default(&hash_of_maps->map, map));
+	inner_map = bpf_map_lookup_elem(hash_of_maps, &key);
+	VERIFY(inner_map != NULL);
+	VERIFY(inner_map->map.max_entries == INNER_MAX_ENTRIES);
+
+	return 1;
+}
+
+struct bpf_dtab {
+	struct bpf_map map;
+} __attribute__((preserve_access_index));
+
+struct {
+	__uint(type, BPF_MAP_TYPE_DEVMAP);
+	__uint(max_entries, MAX_ENTRIES);
+	__type(key, __u32);
+	__type(value, __u32);
+} m_devmap SEC(".maps");
+
+static inline int check_devmap(void)
+{
+	struct bpf_dtab *devmap = (struct bpf_dtab *)&m_devmap;
+	struct bpf_map *map = (struct bpf_map *)&m_devmap;
+
+	VERIFY(check_default(&devmap->map, map));
+
+	return 1;
+}
+
+struct bpf_stab {
+	struct bpf_map map;
+} __attribute__((preserve_access_index));
+
+struct {
+	__uint(type, BPF_MAP_TYPE_SOCKMAP);
+	__uint(max_entries, MAX_ENTRIES);
+	__type(key, __u32);
+	__type(value, __u32);
+} m_sockmap SEC(".maps");
+
+static inline int check_sockmap(void)
+{
+	struct bpf_stab *sockmap = (struct bpf_stab *)&m_sockmap;
+	struct bpf_map *map = (struct bpf_map *)&m_sockmap;
+
+	VERIFY(check_default(&sockmap->map, map));
+
+	return 1;
+}
+
+struct bpf_cpu_map {
+	struct bpf_map map;
+} __attribute__((preserve_access_index));
+
+struct {
+	__uint(type, BPF_MAP_TYPE_CPUMAP);
+	__uint(max_entries, MAX_ENTRIES);
+	__type(key, __u32);
+	__type(value, __u32);
+} m_cpumap SEC(".maps");
+
+static inline int check_cpumap(void)
+{
+	struct bpf_cpu_map *cpumap = (struct bpf_cpu_map *)&m_cpumap;
+	struct bpf_map *map = (struct bpf_map *)&m_cpumap;
+
+	VERIFY(check_default(&cpumap->map, map));
+
+	return 1;
+}
+
+struct xsk_map {
+	struct bpf_map map;
+} __attribute__((preserve_access_index));
+
+struct {
+	__uint(type, BPF_MAP_TYPE_XSKMAP);
+	__uint(max_entries, MAX_ENTRIES);
+	__type(key, __u32);
+	__type(value, __u32);
+} m_xskmap SEC(".maps");
+
+static inline int check_xskmap(void)
+{
+	struct xsk_map *xskmap = (struct xsk_map *)&m_xskmap;
+	struct bpf_map *map = (struct bpf_map *)&m_xskmap;
+
+	VERIFY(check_default(&xskmap->map, map));
+
+	return 1;
+}
+
+struct bpf_shtab {
+	struct bpf_map map;
+} __attribute__((preserve_access_index));
+
+struct {
+	__uint(type, BPF_MAP_TYPE_SOCKHASH);
+	__uint(max_entries, MAX_ENTRIES);
+	__type(key, __u32);
+	__type(value, __u32);
+} m_sockhash SEC(".maps");
+
+static inline int check_sockhash(void)
+{
+	struct bpf_shtab *sockhash = (struct bpf_shtab *)&m_sockhash;
+	struct bpf_map *map = (struct bpf_map *)&m_sockhash;
+
+	VERIFY(check_default(&sockhash->map, map));
+
+	return 1;
+}
+
+struct bpf_cgroup_storage_map {
+	struct bpf_map map;
+} __attribute__((preserve_access_index));
+
+struct {
+	__uint(type, BPF_MAP_TYPE_CGROUP_STORAGE);
+	__type(key, struct bpf_cgroup_storage_key);
+	__type(value, __u32);
+} m_cgroup_storage SEC(".maps");
+
+static inline int check_cgroup_storage(void)
+{
+	struct bpf_cgroup_storage_map *cgroup_storage =
+		(struct bpf_cgroup_storage_map *)&m_cgroup_storage;
+	struct bpf_map *map = (struct bpf_map *)&m_cgroup_storage;
+
+	VERIFY(check(&cgroup_storage->map, map,
+		     sizeof(struct bpf_cgroup_storage_key), sizeof(__u32), 0));
+
+	return 1;
+}
+
+struct reuseport_array {
+	struct bpf_map map;
+} __attribute__((preserve_access_index));
+
+struct {
+	__uint(type, BPF_MAP_TYPE_REUSEPORT_SOCKARRAY);
+	__uint(max_entries, MAX_ENTRIES);
+	__type(key, __u32);
+	__type(value, __u32);
+} m_reuseport_sockarray SEC(".maps");
+
+static inline int check_reuseport_sockarray(void)
+{
+	struct reuseport_array *reuseport_sockarray =
+		(struct reuseport_array *)&m_reuseport_sockarray;
+	struct bpf_map *map = (struct bpf_map *)&m_reuseport_sockarray;
+
+	VERIFY(check_default(&reuseport_sockarray->map, map));
+
+	return 1;
+}
+
+struct {
+	__uint(type, BPF_MAP_TYPE_PERCPU_CGROUP_STORAGE);
+	__type(key, struct bpf_cgroup_storage_key);
+	__type(value, __u32);
+} m_percpu_cgroup_storage SEC(".maps");
+
+static inline int check_percpu_cgroup_storage(void)
+{
+	struct bpf_cgroup_storage_map *percpu_cgroup_storage =
+		(struct bpf_cgroup_storage_map *)&m_percpu_cgroup_storage;
+	struct bpf_map *map = (struct bpf_map *)&m_percpu_cgroup_storage;
+
+	VERIFY(check(&percpu_cgroup_storage->map, map,
+		     sizeof(struct bpf_cgroup_storage_key), sizeof(__u32), 0));
+
+	return 1;
+}
+
+struct bpf_queue_stack {
+	struct bpf_map map;
+} __attribute__((preserve_access_index));
+
+struct {
+	__uint(type, BPF_MAP_TYPE_QUEUE);
+	__uint(max_entries, MAX_ENTRIES);
+	__type(value, __u32);
+} m_queue SEC(".maps");
+
+static inline int check_queue(void)
+{
+	struct bpf_queue_stack *queue = (struct bpf_queue_stack *)&m_queue;
+	struct bpf_map *map = (struct bpf_map *)&m_queue;
+
+	VERIFY(check(&queue->map, map, 0, sizeof(__u32), MAX_ENTRIES));
+
+	return 1;
+}
+
+struct {
+	__uint(type, BPF_MAP_TYPE_STACK);
+	__uint(max_entries, MAX_ENTRIES);
+	__type(value, __u32);
+} m_stack SEC(".maps");
+
+static inline int check_stack(void)
+{
+	struct bpf_queue_stack *stack = (struct bpf_queue_stack *)&m_stack;
+	struct bpf_map *map = (struct bpf_map *)&m_stack;
+
+	VERIFY(check(&stack->map, map, 0, sizeof(__u32), MAX_ENTRIES));
+
+	return 1;
+}
+
+struct bpf_local_storage_map {
+	struct bpf_map map;
+} __attribute__((preserve_access_index));
+
+struct {
+	__uint(type, BPF_MAP_TYPE_SK_STORAGE);
+	__uint(map_flags, BPF_F_NO_PREALLOC);
+	__type(key, __u32);
+	__type(value, __u32);
+} m_sk_storage SEC(".maps");
+
+static inline int check_sk_storage(void)
+{
+	struct bpf_local_storage_map *sk_storage =
+		(struct bpf_local_storage_map *)&m_sk_storage;
+	struct bpf_map *map = (struct bpf_map *)&m_sk_storage;
+
+	VERIFY(check(&sk_storage->map, map, sizeof(__u32), sizeof(__u32), 0));
+
+	return 1;
+}
+
+struct {
+	__uint(type, BPF_MAP_TYPE_DEVMAP_HASH);
+	__uint(max_entries, MAX_ENTRIES);
+	__type(key, __u32);
+	__type(value, __u32);
+} m_devmap_hash SEC(".maps");
+
+static inline int check_devmap_hash(void)
+{
+	struct bpf_dtab *devmap_hash = (struct bpf_dtab *)&m_devmap_hash;
+	struct bpf_map *map = (struct bpf_map *)&m_devmap_hash;
+
+	VERIFY(check_default(&devmap_hash->map, map));
+
+	return 1;
+}
+
+struct bpf_ringbuf_map {
+	struct bpf_map map;
+} __attribute__((preserve_access_index));
+
+struct {
+	__uint(type, BPF_MAP_TYPE_RINGBUF);
+} m_ringbuf SEC(".maps");
+
+static inline int check_ringbuf(void)
+{
+	struct bpf_ringbuf_map *ringbuf = (struct bpf_ringbuf_map *)&m_ringbuf;
+	struct bpf_map *map = (struct bpf_map *)&m_ringbuf;
+
+	VERIFY(check(&ringbuf->map, map, 0, 0, page_size));
+
+	return 1;
+}
+
+SEC("cgroup_skb/egress")
+int cg_skb(void *ctx)
+{
+	VERIFY_TYPE(BPF_MAP_TYPE_HASH, check_hash);
+	VERIFY_TYPE(BPF_MAP_TYPE_ARRAY, check_array);
+	VERIFY_TYPE(BPF_MAP_TYPE_PROG_ARRAY, check_prog_array);
+	VERIFY_TYPE(BPF_MAP_TYPE_PERF_EVENT_ARRAY, check_perf_event_array);
+	VERIFY_TYPE(BPF_MAP_TYPE_PERCPU_HASH, check_percpu_hash);
+	VERIFY_TYPE(BPF_MAP_TYPE_PERCPU_ARRAY, check_percpu_array);
+	VERIFY_TYPE(BPF_MAP_TYPE_STACK_TRACE, check_stack_trace);
+	VERIFY_TYPE(BPF_MAP_TYPE_CGROUP_ARRAY, check_cgroup_array);
+	VERIFY_TYPE(BPF_MAP_TYPE_LRU_HASH, check_lru_hash);
+	VERIFY_TYPE(BPF_MAP_TYPE_LRU_PERCPU_HASH, check_lru_percpu_hash);
+	VERIFY_TYPE(BPF_MAP_TYPE_LPM_TRIE, check_lpm_trie);
+	VERIFY_TYPE(BPF_MAP_TYPE_ARRAY_OF_MAPS, check_array_of_maps);
+	VERIFY_TYPE(BPF_MAP_TYPE_HASH_OF_MAPS, check_hash_of_maps);
+	VERIFY_TYPE(BPF_MAP_TYPE_DEVMAP, check_devmap);
+	VERIFY_TYPE(BPF_MAP_TYPE_SOCKMAP, check_sockmap);
+	VERIFY_TYPE(BPF_MAP_TYPE_CPUMAP, check_cpumap);
+	VERIFY_TYPE(BPF_MAP_TYPE_XSKMAP, check_xskmap);
+	VERIFY_TYPE(BPF_MAP_TYPE_SOCKHASH, check_sockhash);
+	VERIFY_TYPE(BPF_MAP_TYPE_CGROUP_STORAGE, check_cgroup_storage);
+	VERIFY_TYPE(BPF_MAP_TYPE_REUSEPORT_SOCKARRAY,
+		    check_reuseport_sockarray);
+	VERIFY_TYPE(BPF_MAP_TYPE_PERCPU_CGROUP_STORAGE,
+		    check_percpu_cgroup_storage);
+	VERIFY_TYPE(BPF_MAP_TYPE_QUEUE, check_queue);
+	VERIFY_TYPE(BPF_MAP_TYPE_STACK, check_stack);
+	VERIFY_TYPE(BPF_MAP_TYPE_SK_STORAGE, check_sk_storage);
+	VERIFY_TYPE(BPF_MAP_TYPE_DEVMAP_HASH, check_devmap_hash);
+	VERIFY_TYPE(BPF_MAP_TYPE_RINGBUF, check_ringbuf);
+
+	return 1;
+}
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/metadata_unused.c b/tools/testing/selftests/bpf/progs/metadata_unused.c
new file mode 100644
index 000000000..672a0d19f
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/metadata_unused.c
@@ -0,0 +1,15 @@
+// SPDX-License-Identifier: GPL-2.0-only
+
+#include <linux/bpf.h>
+#include <bpf/bpf_helpers.h>
+
+volatile const char bpf_metadata_a[] SEC(".rodata") = "foo";
+volatile const int bpf_metadata_b SEC(".rodata") = 1;
+
+SEC("cgroup_skb/egress")
+int prog(struct xdp_md *ctx)
+{
+	return 0;
+}
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/metadata_used.c b/tools/testing/selftests/bpf/progs/metadata_used.c
new file mode 100644
index 000000000..b7198e653
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/metadata_used.c
@@ -0,0 +1,15 @@
+// SPDX-License-Identifier: GPL-2.0-only
+
+#include <linux/bpf.h>
+#include <bpf/bpf_helpers.h>
+
+volatile const char bpf_metadata_a[] SEC(".rodata") = "bar";
+volatile const int bpf_metadata_b SEC(".rodata") = 2;
+
+SEC("cgroup_skb/egress")
+int prog(struct xdp_md *ctx)
+{
+	return bpf_metadata_b ? 1 : 0;
+}
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/modify_return.c b/tools/testing/selftests/bpf/progs/modify_return.c
new file mode 100644
index 000000000..8b7466a15
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/modify_return.c
@@ -0,0 +1,49 @@
+// SPDX-License-Identifier: GPL-2.0
+
+/*
+ * Copyright 2020 Google LLC.
+ */
+
+#include <linux/bpf.h>
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_tracing.h>
+
+char _license[] SEC("license") = "GPL";
+
+static int sequence = 0;
+__s32 input_retval = 0;
+
+__u64 fentry_result = 0;
+SEC("fentry/bpf_modify_return_test")
+int BPF_PROG(fentry_test, int a, __u64 b)
+{
+	sequence++;
+	fentry_result = (sequence == 1);
+	return 0;
+}
+
+__u64 fmod_ret_result = 0;
+SEC("fmod_ret/bpf_modify_return_test")
+int BPF_PROG(fmod_ret_test, int a, int *b, int ret)
+{
+	sequence++;
+	/* This is the first fmod_ret program, the ret passed should be 0 */
+	fmod_ret_result = (sequence == 2 && ret == 0);
+	return input_retval;
+}
+
+__u64 fexit_result = 0;
+SEC("fexit/bpf_modify_return_test")
+int BPF_PROG(fexit_test, int a, __u64 b, int ret)
+{
+	sequence++;
+	/* If the input_reval is non-zero a successful modification should have
+	 * occurred.
+	 */
+	if (input_retval)
+		fexit_result = (sequence == 3 && ret == input_retval);
+	else
+		fexit_result = (sequence == 3 && ret == 4);
+
+	return 0;
+}
diff --git a/tools/testing/selftests/bpf/progs/mptcp_sock.c b/tools/testing/selftests/bpf/progs/mptcp_sock.c
new file mode 100644
index 000000000..91a0d7eff
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/mptcp_sock.c
@@ -0,0 +1,88 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2020, Tessares SA. */
+/* Copyright (c) 2022, SUSE. */
+
+#include <linux/bpf.h>
+#include <bpf/bpf_helpers.h>
+#include "bpf_tcp_helpers.h"
+
+char _license[] SEC("license") = "GPL";
+__u32 token = 0;
+
+struct mptcp_storage {
+	__u32 invoked;
+	__u32 is_mptcp;
+	struct sock *sk;
+	__u32 token;
+	struct sock *first;
+	char ca_name[TCP_CA_NAME_MAX];
+};
+
+struct {
+	__uint(type, BPF_MAP_TYPE_SK_STORAGE);
+	__uint(map_flags, BPF_F_NO_PREALLOC);
+	__type(key, int);
+	__type(value, struct mptcp_storage);
+} socket_storage_map SEC(".maps");
+
+SEC("sockops")
+int _sockops(struct bpf_sock_ops *ctx)
+{
+	struct mptcp_storage *storage;
+	struct mptcp_sock *msk;
+	int op = (int)ctx->op;
+	struct tcp_sock *tsk;
+	struct bpf_sock *sk;
+	bool is_mptcp;
+
+	if (op != BPF_SOCK_OPS_TCP_CONNECT_CB)
+		return 1;
+
+	sk = ctx->sk;
+	if (!sk)
+		return 1;
+
+	tsk = bpf_skc_to_tcp_sock(sk);
+	if (!tsk)
+		return 1;
+
+	is_mptcp = bpf_core_field_exists(tsk->is_mptcp) ? tsk->is_mptcp : 0;
+	if (!is_mptcp) {
+		storage = bpf_sk_storage_get(&socket_storage_map, sk, 0,
+					     BPF_SK_STORAGE_GET_F_CREATE);
+		if (!storage)
+			return 1;
+
+		storage->token = 0;
+		__builtin_memset(storage->ca_name, 0, TCP_CA_NAME_MAX);
+		storage->first = NULL;
+	} else {
+		msk = bpf_skc_to_mptcp_sock(sk);
+		if (!msk)
+			return 1;
+
+		storage = bpf_sk_storage_get(&socket_storage_map, msk, 0,
+					     BPF_SK_STORAGE_GET_F_CREATE);
+		if (!storage)
+			return 1;
+
+		storage->token = msk->token;
+		__builtin_memcpy(storage->ca_name, msk->ca_name, TCP_CA_NAME_MAX);
+		storage->first = msk->first;
+	}
+	storage->invoked++;
+	storage->is_mptcp = is_mptcp;
+	storage->sk = (struct sock *)sk;
+
+	return 1;
+}
+
+SEC("fentry/mptcp_pm_new_connection")
+int BPF_PROG(trace_mptcp_pm_new_connection, struct mptcp_sock *msk,
+	     const struct sock *ssk, int server_side)
+{
+	if (!server_side)
+		token = msk->token;
+
+	return 0;
+}
diff --git a/tools/testing/selftests/bpf/progs/netcnt_prog.c b/tools/testing/selftests/bpf/progs/netcnt_prog.c
new file mode 100644
index 000000000..f718b2c21
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/netcnt_prog.c
@@ -0,0 +1,70 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <linux/bpf.h>
+#include <linux/version.h>
+
+#include <bpf/bpf_helpers.h>
+#include "netcnt_common.h"
+
+#define MAX_BPS	(3 * 1024 * 1024)
+
+#define REFRESH_TIME_NS	100000000
+#define NS_PER_SEC	1000000000
+
+struct {
+	__uint(type, BPF_MAP_TYPE_PERCPU_CGROUP_STORAGE);
+	__type(key, struct bpf_cgroup_storage_key);
+	__type(value, union percpu_net_cnt);
+} percpu_netcnt SEC(".maps");
+
+struct {
+	__uint(type, BPF_MAP_TYPE_CGROUP_STORAGE);
+	__type(key, struct bpf_cgroup_storage_key);
+	__type(value, union net_cnt);
+} netcnt SEC(".maps");
+
+SEC("cgroup/skb")
+int bpf_nextcnt(struct __sk_buff *skb)
+{
+	union percpu_net_cnt *percpu_cnt;
+	char fmt[] = "%d %llu %llu\n";
+	union net_cnt *cnt;
+	__u64 ts, dt;
+	int ret;
+
+	cnt = bpf_get_local_storage(&netcnt, 0);
+	percpu_cnt = bpf_get_local_storage(&percpu_netcnt, 0);
+
+	percpu_cnt->packets++;
+	percpu_cnt->bytes += skb->len;
+
+	if (percpu_cnt->packets > MAX_PERCPU_PACKETS) {
+		__sync_fetch_and_add(&cnt->packets,
+				     percpu_cnt->packets);
+		percpu_cnt->packets = 0;
+
+		__sync_fetch_and_add(&cnt->bytes,
+				     percpu_cnt->bytes);
+		percpu_cnt->bytes = 0;
+	}
+
+	ts = bpf_ktime_get_ns();
+	dt = ts - percpu_cnt->prev_ts;
+
+	dt *= MAX_BPS;
+	dt /= NS_PER_SEC;
+
+	if (cnt->bytes + percpu_cnt->bytes - percpu_cnt->prev_bytes < dt)
+		ret = 1;
+	else
+		ret = 0;
+
+	if (dt > REFRESH_TIME_NS) {
+		percpu_cnt->prev_ts = ts;
+		percpu_cnt->prev_packets = cnt->packets;
+		percpu_cnt->prev_bytes = cnt->bytes;
+	}
+
+	return !!ret;
+}
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/netif_receive_skb.c b/tools/testing/selftests/bpf/progs/netif_receive_skb.c
new file mode 100644
index 000000000..1d8918dfb
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/netif_receive_skb.c
@@ -0,0 +1,256 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2020, Oracle and/or its affiliates. */
+
+#include "btf_ptr.h"
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_tracing.h>
+#include <bpf/bpf_core_read.h>
+
+#include <errno.h>
+
+long ret = 0;
+int num_subtests = 0;
+int ran_subtests = 0;
+bool skip = false;
+
+#define STRSIZE			2048
+#define EXPECTED_STRSIZE	256
+
+#if defined(bpf_target_s390)
+/* NULL points to a readable struct lowcore on s390, so take the last page */
+#define BADPTR			((void *)0xFFFFFFFFFFFFF000ULL)
+#else
+#define BADPTR			0
+#endif
+
+#ifndef ARRAY_SIZE
+#define ARRAY_SIZE(x)	(sizeof(x) / sizeof((x)[0]))
+#endif
+
+struct {
+	__uint(type, BPF_MAP_TYPE_PERCPU_ARRAY);
+	__uint(max_entries, 1);
+	__type(key, __u32);
+	__type(value, char[STRSIZE]);
+} strdata SEC(".maps");
+
+static int __strncmp(const void *m1, const void *m2, size_t len)
+{
+	const unsigned char *s1 = m1;
+	const unsigned char *s2 = m2;
+	int i, delta = 0;
+
+	for (i = 0; i < len; i++) {
+		delta = s1[i] - s2[i];
+		if (delta || s1[i] == 0 || s2[i] == 0)
+			break;
+	}
+	return delta;
+}
+
+#if __has_builtin(__builtin_btf_type_id)
+#define	TEST_BTF(_str, _type, _flags, _expected, ...)			\
+	do {								\
+		static const char _expectedval[EXPECTED_STRSIZE] =	\
+							_expected;	\
+		static const char _ptrtype[64] = #_type;		\
+		__u64 _hflags = _flags | BTF_F_COMPACT;			\
+		static _type _ptrdata = __VA_ARGS__;			\
+		static struct btf_ptr _ptr = { };			\
+		int _cmp;						\
+									\
+		++num_subtests;						\
+		if (ret < 0)						\
+			break;						\
+		++ran_subtests;						\
+		_ptr.ptr = &_ptrdata;					\
+		_ptr.type_id = bpf_core_type_id_kernel(_type);		\
+		if (_ptr.type_id <= 0) {				\
+			ret = -EINVAL;					\
+			break;						\
+		}							\
+		ret = bpf_snprintf_btf(_str, STRSIZE,			\
+				       &_ptr, sizeof(_ptr), _hflags);	\
+		if (ret)						\
+			break;						\
+		_cmp = __strncmp(_str, _expectedval, EXPECTED_STRSIZE);	\
+		if (_cmp != 0) {					\
+			bpf_printk("(%d) got %s", _cmp, _str);		\
+			bpf_printk("(%d) expected %s", _cmp,		\
+				   _expectedval);			\
+			ret = -EBADMSG;					\
+			break;						\
+		}							\
+	} while (0)
+#endif
+
+/* Use where expected data string matches its stringified declaration */
+#define TEST_BTF_C(_str, _type, _flags, ...)				\
+	TEST_BTF(_str, _type, _flags, "(" #_type ")" #__VA_ARGS__,	\
+		 __VA_ARGS__)
+
+/* TRACE_EVENT(netif_receive_skb,
+ *	TP_PROTO(struct sk_buff *skb),
+ */
+SEC("tp_btf/netif_receive_skb")
+int BPF_PROG(trace_netif_receive_skb, struct sk_buff *skb)
+{
+	static __u64 flags[] = { 0, BTF_F_COMPACT, BTF_F_ZERO, BTF_F_PTR_RAW,
+				 BTF_F_NONAME, BTF_F_COMPACT | BTF_F_ZERO |
+				 BTF_F_PTR_RAW | BTF_F_NONAME };
+	static struct btf_ptr p = { };
+	__u32 key = 0;
+	int i, __ret;
+	char *str;
+
+#if __has_builtin(__builtin_btf_type_id)
+	str = bpf_map_lookup_elem(&strdata, &key);
+	if (!str)
+		return 0;
+
+	/* Ensure we can write skb string representation */
+	p.type_id = bpf_core_type_id_kernel(struct sk_buff);
+	p.ptr = skb;
+	for (i = 0; i < ARRAY_SIZE(flags); i++) {
+		++num_subtests;
+		ret = bpf_snprintf_btf(str, STRSIZE, &p, sizeof(p), 0);
+		if (ret < 0)
+			bpf_printk("returned %d when writing skb", ret);
+		++ran_subtests;
+	}
+
+	/* Check invalid ptr value */
+	p.ptr = BADPTR;
+	__ret = bpf_snprintf_btf(str, STRSIZE, &p, sizeof(p), 0);
+	if (__ret >= 0) {
+		bpf_printk("printing %llx should generate error, got (%d)",
+			   (unsigned long long)BADPTR, __ret);
+		ret = -ERANGE;
+	}
+
+	/* Verify type display for various types. */
+
+	/* simple int */
+	TEST_BTF_C(str, int, 0, 1234);
+	TEST_BTF(str, int, BTF_F_NONAME, "1234", 1234);
+	/* zero value should be printed at toplevel */
+	TEST_BTF(str, int, 0, "(int)0", 0);
+	TEST_BTF(str, int, BTF_F_NONAME, "0", 0);
+	TEST_BTF(str, int, BTF_F_ZERO, "(int)0", 0);
+	TEST_BTF(str, int, BTF_F_NONAME | BTF_F_ZERO, "0", 0);
+	TEST_BTF_C(str, int, 0, -4567);
+	TEST_BTF(str, int, BTF_F_NONAME, "-4567", -4567);
+
+	/* simple char */
+	TEST_BTF_C(str, char, 0, 100);
+	TEST_BTF(str, char, BTF_F_NONAME, "100", 100);
+	/* zero value should be printed at toplevel */
+	TEST_BTF(str, char, 0, "(char)0", 0);
+	TEST_BTF(str, char, BTF_F_NONAME, "0", 0);
+	TEST_BTF(str, char, BTF_F_ZERO, "(char)0", 0);
+	TEST_BTF(str, char, BTF_F_NONAME | BTF_F_ZERO, "0", 0);
+
+	/* simple typedef */
+	TEST_BTF_C(str, uint64_t, 0, 100);
+	TEST_BTF(str, u64, BTF_F_NONAME, "1", 1);
+	/* zero value should be printed at toplevel */
+	TEST_BTF(str, u64, 0, "(u64)0", 0);
+	TEST_BTF(str, u64, BTF_F_NONAME, "0", 0);
+	TEST_BTF(str, u64, BTF_F_ZERO, "(u64)0", 0);
+	TEST_BTF(str, u64, BTF_F_NONAME|BTF_F_ZERO, "0", 0);
+
+	/* typedef struct */
+	TEST_BTF_C(str, atomic_t, 0, {.counter = (int)1,});
+	TEST_BTF(str, atomic_t, BTF_F_NONAME, "{1,}", {.counter = 1,});
+	/* typedef with 0 value should be printed at toplevel */
+	TEST_BTF(str, atomic_t, 0, "(atomic_t){}", {.counter = 0,});
+	TEST_BTF(str, atomic_t, BTF_F_NONAME, "{}", {.counter = 0,});
+	TEST_BTF(str, atomic_t, BTF_F_ZERO, "(atomic_t){.counter = (int)0,}",
+		 {.counter = 0,});
+	TEST_BTF(str, atomic_t, BTF_F_NONAME|BTF_F_ZERO,
+		 "{0,}", {.counter = 0,});
+
+	/* enum where enum value does (and does not) exist */
+	TEST_BTF_C(str, enum bpf_cmd, 0, BPF_MAP_CREATE);
+	TEST_BTF(str, enum bpf_cmd, 0, "(enum bpf_cmd)BPF_MAP_CREATE", 0);
+	TEST_BTF(str, enum bpf_cmd, BTF_F_NONAME, "BPF_MAP_CREATE",
+		 BPF_MAP_CREATE);
+	TEST_BTF(str, enum bpf_cmd, BTF_F_NONAME|BTF_F_ZERO,
+		 "BPF_MAP_CREATE", 0);
+
+	TEST_BTF(str, enum bpf_cmd, BTF_F_ZERO, "(enum bpf_cmd)BPF_MAP_CREATE",
+		 BPF_MAP_CREATE);
+	TEST_BTF(str, enum bpf_cmd, BTF_F_NONAME|BTF_F_ZERO,
+		 "BPF_MAP_CREATE", BPF_MAP_CREATE);
+	TEST_BTF_C(str, enum bpf_cmd, 0, 2000);
+	TEST_BTF(str, enum bpf_cmd, BTF_F_NONAME, "2000", 2000);
+
+	/* simple struct */
+	TEST_BTF_C(str, struct btf_enum, 0,
+		   {.name_off = (__u32)3,.val = (__s32)-1,});
+	TEST_BTF(str, struct btf_enum, BTF_F_NONAME, "{3,-1,}",
+		 { .name_off = 3, .val = -1,});
+	TEST_BTF(str, struct btf_enum, BTF_F_NONAME, "{-1,}",
+		 { .name_off = 0, .val = -1,});
+	TEST_BTF(str, struct btf_enum, BTF_F_NONAME|BTF_F_ZERO, "{0,-1,}",
+		 { .name_off = 0, .val = -1,});
+	/* empty struct should be printed */
+	TEST_BTF(str, struct btf_enum, 0, "(struct btf_enum){}",
+		 { .name_off = 0, .val = 0,});
+	TEST_BTF(str, struct btf_enum, BTF_F_NONAME, "{}",
+		 { .name_off = 0, .val = 0,});
+	TEST_BTF(str, struct btf_enum, BTF_F_ZERO,
+		 "(struct btf_enum){.name_off = (__u32)0,.val = (__s32)0,}",
+		 { .name_off = 0, .val = 0,});
+
+	/* struct with pointers */
+	TEST_BTF(str, struct list_head, BTF_F_PTR_RAW,
+		 "(struct list_head){.next = (struct list_head *)0x0000000000000001,}",
+		 { .next = (struct list_head *)1 });
+	/* NULL pointer should not be displayed */
+	TEST_BTF(str, struct list_head, BTF_F_PTR_RAW,
+		 "(struct list_head){}",
+		 { .next = (struct list_head *)0 });
+
+	/* struct with char array */
+	TEST_BTF(str, struct bpf_prog_info, 0,
+		 "(struct bpf_prog_info){.name = (char[])['f','o','o',],}",
+		 { .name = "foo",});
+	TEST_BTF(str, struct bpf_prog_info, BTF_F_NONAME,
+		 "{['f','o','o',],}",
+		 {.name = "foo",});
+	/* leading null char means do not display string */
+	TEST_BTF(str, struct bpf_prog_info, 0,
+		 "(struct bpf_prog_info){}",
+		 {.name = {'\0', 'f', 'o', 'o'}});
+	/* handle non-printable characters */
+	TEST_BTF(str, struct bpf_prog_info, 0,
+		 "(struct bpf_prog_info){.name = (char[])[1,2,3,],}",
+		 { .name = {1, 2, 3, 0}});
+
+	/* struct with non-char array */
+	TEST_BTF(str, struct __sk_buff, 0,
+		 "(struct __sk_buff){.cb = (__u32[])[1,2,3,4,5,],}",
+		 { .cb = {1, 2, 3, 4, 5,},});
+	TEST_BTF(str, struct __sk_buff, BTF_F_NONAME,
+		 "{[1,2,3,4,5,],}",
+		 { .cb = { 1, 2, 3, 4, 5},});
+	/* For non-char, arrays, show non-zero values only */
+	TEST_BTF(str, struct __sk_buff, 0,
+		 "(struct __sk_buff){.cb = (__u32[])[1,],}",
+		 { .cb = { 0, 0, 1, 0, 0},});
+
+	/* struct with bitfields */
+	TEST_BTF_C(str, struct bpf_insn, 0,
+		   {.code = (__u8)1,.dst_reg = (__u8)0x2,.src_reg = (__u8)0x3,.off = (__s16)4,.imm = (__s32)5,});
+	TEST_BTF(str, struct bpf_insn, BTF_F_NONAME, "{1,0x2,0x3,4,5,}",
+		 {.code = 1, .dst_reg = 0x2, .src_reg = 0x3, .off = 4,
+		  .imm = 5,});
+#else
+	skip = true;
+#endif
+
+	return 0;
+}
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/netns_cookie_prog.c b/tools/testing/selftests/bpf/progs/netns_cookie_prog.c
new file mode 100644
index 000000000..aeff3a4f9
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/netns_cookie_prog.c
@@ -0,0 +1,84 @@
+// SPDX-License-Identifier: GPL-2.0
+
+#include "vmlinux.h"
+
+#include <bpf/bpf_helpers.h>
+
+#define AF_INET6 10
+
+struct {
+	__uint(type, BPF_MAP_TYPE_SK_STORAGE);
+	__uint(map_flags, BPF_F_NO_PREALLOC);
+	__type(key, int);
+	__type(value, int);
+} sockops_netns_cookies SEC(".maps");
+
+struct {
+	__uint(type, BPF_MAP_TYPE_SK_STORAGE);
+	__uint(map_flags, BPF_F_NO_PREALLOC);
+	__type(key, int);
+	__type(value, int);
+} sk_msg_netns_cookies SEC(".maps");
+
+struct {
+	__uint(type, BPF_MAP_TYPE_SOCKMAP);
+	__uint(max_entries, 2);
+	__type(key, __u32);
+	__type(value, __u64);
+} sock_map SEC(".maps");
+
+SEC("sockops")
+int get_netns_cookie_sockops(struct bpf_sock_ops *ctx)
+{
+	struct bpf_sock *sk = ctx->sk;
+	int *cookie;
+	__u32 key = 0;
+
+	if (ctx->family != AF_INET6)
+		return 1;
+
+	if (!sk)
+		return 1;
+
+	switch (ctx->op) {
+	case BPF_SOCK_OPS_TCP_CONNECT_CB:
+		cookie = bpf_sk_storage_get(&sockops_netns_cookies, sk, 0,
+					    BPF_SK_STORAGE_GET_F_CREATE);
+		if (!cookie)
+			return 1;
+
+		*cookie = bpf_get_netns_cookie(ctx);
+		break;
+	case BPF_SOCK_OPS_ACTIVE_ESTABLISHED_CB:
+		bpf_sock_map_update(ctx, &sock_map, &key, BPF_NOEXIST);
+		break;
+	default:
+		break;
+	}
+
+	return 1;
+}
+
+SEC("sk_msg")
+int get_netns_cookie_sk_msg(struct sk_msg_md *msg)
+{
+	struct bpf_sock *sk = msg->sk;
+	int *cookie;
+
+	if (msg->family != AF_INET6)
+		return 1;
+
+	if (!sk)
+		return 1;
+
+	cookie = bpf_sk_storage_get(&sk_msg_netns_cookies, sk, 0,
+				    BPF_SK_STORAGE_GET_F_CREATE);
+	if (!cookie)
+		return 1;
+
+	*cookie = bpf_get_netns_cookie(msg);
+
+	return 1;
+}
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/perf_event_stackmap.c b/tools/testing/selftests/bpf/progs/perf_event_stackmap.c
new file mode 100644
index 000000000..f793280a3
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/perf_event_stackmap.c
@@ -0,0 +1,59 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (c) 2020 Facebook
+#include "vmlinux.h"
+#include <bpf/bpf_helpers.h>
+
+#ifndef PERF_MAX_STACK_DEPTH
+#define PERF_MAX_STACK_DEPTH         127
+#endif
+
+typedef __u64 stack_trace_t[PERF_MAX_STACK_DEPTH];
+struct {
+	__uint(type, BPF_MAP_TYPE_STACK_TRACE);
+	__uint(max_entries, 16384);
+	__type(key, __u32);
+	__type(value, stack_trace_t);
+} stackmap SEC(".maps");
+
+struct {
+	__uint(type, BPF_MAP_TYPE_PERCPU_ARRAY);
+	__uint(max_entries, 1);
+	__type(key, __u32);
+	__type(value, stack_trace_t);
+} stackdata_map SEC(".maps");
+
+long stackid_kernel = 1;
+long stackid_user = 1;
+long stack_kernel = 1;
+long stack_user = 1;
+
+SEC("perf_event")
+int oncpu(void *ctx)
+{
+	stack_trace_t *trace;
+	__u32 key = 0;
+	long val;
+
+	val = bpf_get_stackid(ctx, &stackmap, 0);
+	if (val >= 0)
+		stackid_kernel = 2;
+	val = bpf_get_stackid(ctx, &stackmap, BPF_F_USER_STACK);
+	if (val >= 0)
+		stackid_user = 2;
+
+	trace = bpf_map_lookup_elem(&stackdata_map, &key);
+	if (!trace)
+		return 0;
+
+	val = bpf_get_stack(ctx, trace, sizeof(stack_trace_t), 0);
+	if (val > 0)
+		stack_kernel = 2;
+
+	val = bpf_get_stack(ctx, trace, sizeof(stack_trace_t), BPF_F_USER_STACK);
+	if (val > 0)
+		stack_user = 2;
+
+	return 0;
+}
+
+char LICENSE[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/perfbuf_bench.c b/tools/testing/selftests/bpf/progs/perfbuf_bench.c
new file mode 100644
index 000000000..45204fe0c
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/perfbuf_bench.c
@@ -0,0 +1,34 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (c) 2020 Facebook
+
+#include <linux/bpf.h>
+#include <stdint.h>
+#include <bpf/bpf_helpers.h>
+#include "bpf_misc.h"
+
+char _license[] SEC("license") = "GPL";
+
+struct {
+	__uint(type, BPF_MAP_TYPE_PERF_EVENT_ARRAY);
+	__uint(value_size, sizeof(int));
+	__uint(key_size, sizeof(int));
+} perfbuf SEC(".maps");
+
+const volatile int batch_cnt = 0;
+
+long sample_val = 42;
+long dropped __attribute__((aligned(128))) = 0;
+
+SEC("fentry/" SYS_PREFIX "sys_getpgid")
+int bench_perfbuf(void *ctx)
+{
+	__u64 *sample;
+	int i;
+
+	for (i = 0; i < batch_cnt; i++) {
+		if (bpf_perf_event_output(ctx, &perfbuf, BPF_F_CURRENT_CPU,
+					  &sample_val, sizeof(sample_val)))
+			__sync_add_and_fetch(&dropped, 1);
+	}
+	return 0;
+}
diff --git a/tools/testing/selftests/bpf/progs/profiler.h b/tools/testing/selftests/bpf/progs/profiler.h
new file mode 100644
index 000000000..3bac4fdd4
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/profiler.h
@@ -0,0 +1,177 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2020 Facebook */
+#pragma once
+
+#define TASK_COMM_LEN 16
+#define MAX_ANCESTORS 4
+#define MAX_PATH 256
+#define KILL_TARGET_LEN 64
+#define CTL_MAXNAME 10
+#define MAX_ARGS_LEN 4096
+#define MAX_FILENAME_LEN 512
+#define MAX_ENVIRON_LEN 8192
+#define MAX_PATH_DEPTH 32
+#define MAX_FILEPATH_LENGTH (MAX_PATH_DEPTH * MAX_PATH)
+#define MAX_CGROUPS_PATH_DEPTH 8
+
+#define MAX_METADATA_PAYLOAD_LEN TASK_COMM_LEN
+
+#define MAX_CGROUP_PAYLOAD_LEN \
+	(MAX_PATH * 2 + (MAX_PATH * MAX_CGROUPS_PATH_DEPTH))
+
+#define MAX_CAP_PAYLOAD_LEN (MAX_METADATA_PAYLOAD_LEN + MAX_CGROUP_PAYLOAD_LEN)
+
+#define MAX_SYSCTL_PAYLOAD_LEN \
+	(MAX_METADATA_PAYLOAD_LEN + MAX_CGROUP_PAYLOAD_LEN + CTL_MAXNAME + MAX_PATH)
+
+#define MAX_KILL_PAYLOAD_LEN \
+	(MAX_METADATA_PAYLOAD_LEN + MAX_CGROUP_PAYLOAD_LEN + TASK_COMM_LEN + \
+	 KILL_TARGET_LEN)
+
+#define MAX_EXEC_PAYLOAD_LEN \
+	(MAX_METADATA_PAYLOAD_LEN + MAX_CGROUP_PAYLOAD_LEN + MAX_FILENAME_LEN + \
+	 MAX_ARGS_LEN + MAX_ENVIRON_LEN)
+
+#define MAX_FILEMOD_PAYLOAD_LEN \
+	(MAX_METADATA_PAYLOAD_LEN + MAX_CGROUP_PAYLOAD_LEN + MAX_FILEPATH_LENGTH + \
+	 MAX_FILEPATH_LENGTH)
+
+enum data_type {
+	INVALID_EVENT,
+	EXEC_EVENT,
+	FORK_EVENT,
+	KILL_EVENT,
+	SYSCTL_EVENT,
+	FILEMOD_EVENT,
+	MAX_DATA_TYPE_EVENT
+};
+
+enum filemod_type {
+	FMOD_OPEN,
+	FMOD_LINK,
+	FMOD_SYMLINK,
+};
+
+struct ancestors_data_t {
+	pid_t ancestor_pids[MAX_ANCESTORS];
+	uint32_t ancestor_exec_ids[MAX_ANCESTORS];
+	uint64_t ancestor_start_times[MAX_ANCESTORS];
+	uint32_t num_ancestors;
+};
+
+struct var_metadata_t {
+	enum data_type type;
+	pid_t pid;
+	uint32_t exec_id;
+	uid_t uid;
+	gid_t gid;
+	uint64_t start_time;
+	uint32_t cpu_id;
+	uint64_t bpf_stats_num_perf_events;
+	uint64_t bpf_stats_start_ktime_ns;
+	uint8_t comm_length;
+};
+
+struct cgroup_data_t {
+	ino_t cgroup_root_inode;
+	ino_t cgroup_proc_inode;
+	uint64_t cgroup_root_mtime;
+	uint64_t cgroup_proc_mtime;
+	uint16_t cgroup_root_length;
+	uint16_t cgroup_proc_length;
+	uint16_t cgroup_full_length;
+	int cgroup_full_path_root_pos;
+};
+
+struct var_sysctl_data_t {
+	struct var_metadata_t meta;
+	struct cgroup_data_t cgroup_data;
+	struct ancestors_data_t ancestors_info;
+	uint8_t sysctl_val_length;
+	uint16_t sysctl_path_length;
+	char payload[MAX_SYSCTL_PAYLOAD_LEN];
+};
+
+struct var_kill_data_t {
+	struct var_metadata_t meta;
+	struct cgroup_data_t cgroup_data;
+	struct ancestors_data_t ancestors_info;
+	pid_t kill_target_pid;
+	int kill_sig;
+	uint32_t kill_count;
+	uint64_t last_kill_time;
+	uint8_t kill_target_name_length;
+	uint8_t kill_target_cgroup_proc_length;
+	char payload[MAX_KILL_PAYLOAD_LEN];
+	size_t payload_length;
+};
+
+struct var_exec_data_t {
+	struct var_metadata_t meta;
+	struct cgroup_data_t cgroup_data;
+	pid_t parent_pid;
+	uint32_t parent_exec_id;
+	uid_t parent_uid;
+	uint64_t parent_start_time;
+	uint16_t bin_path_length;
+	uint16_t cmdline_length;
+	uint16_t environment_length;
+	char payload[MAX_EXEC_PAYLOAD_LEN];
+};
+
+struct var_fork_data_t {
+	struct var_metadata_t meta;
+	pid_t parent_pid;
+	uint32_t parent_exec_id;
+	uint64_t parent_start_time;
+	char payload[MAX_METADATA_PAYLOAD_LEN];
+};
+
+struct var_filemod_data_t {
+	struct var_metadata_t meta;
+	struct cgroup_data_t cgroup_data;
+	enum filemod_type fmod_type;
+	unsigned int dst_flags;
+	uint32_t src_device_id;
+	uint32_t dst_device_id;
+	ino_t src_inode;
+	ino_t dst_inode;
+	uint16_t src_filepath_length;
+	uint16_t dst_filepath_length;
+	char payload[MAX_FILEMOD_PAYLOAD_LEN];
+};
+
+struct profiler_config_struct {
+	bool fetch_cgroups_from_bpf;
+	ino_t cgroup_fs_inode;
+	ino_t cgroup_login_session_inode;
+	uint64_t kill_signals_mask;
+	ino_t inode_filter;
+	uint32_t stale_info_secs;
+	bool use_variable_buffers;
+	bool read_environ_from_exec;
+	bool enable_cgroup_v1_resolver;
+};
+
+struct bpf_func_stats_data {
+	uint64_t time_elapsed_ns;
+	uint64_t num_executions;
+	uint64_t num_perf_events;
+};
+
+struct bpf_func_stats_ctx {
+	uint64_t start_time_ns;
+	struct bpf_func_stats_data* bpf_func_stats_data_val;
+};
+
+enum bpf_function_id {
+	profiler_bpf_proc_sys_write,
+	profiler_bpf_sched_process_exec,
+	profiler_bpf_sched_process_exit,
+	profiler_bpf_sys_enter_kill,
+	profiler_bpf_do_filp_open_ret,
+	profiler_bpf_sched_process_fork,
+	profiler_bpf_vfs_link,
+	profiler_bpf_vfs_symlink,
+	profiler_bpf_max_function_id
+};
diff --git a/tools/testing/selftests/bpf/progs/profiler.inc.h b/tools/testing/selftests/bpf/progs/profiler.inc.h
new file mode 100644
index 000000000..92331053d
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/profiler.inc.h
@@ -0,0 +1,977 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2020 Facebook */
+#include <vmlinux.h>
+#include <bpf/bpf_core_read.h>
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_tracing.h>
+
+#include "profiler.h"
+
+#ifndef NULL
+#define NULL 0
+#endif
+
+#define O_WRONLY 00000001
+#define O_RDWR 00000002
+#define O_DIRECTORY 00200000
+#define __O_TMPFILE 020000000
+#define O_TMPFILE (__O_TMPFILE | O_DIRECTORY)
+#define MAX_ERRNO 4095
+#define S_IFMT 00170000
+#define S_IFSOCK 0140000
+#define S_IFLNK 0120000
+#define S_IFREG 0100000
+#define S_IFBLK 0060000
+#define S_IFDIR 0040000
+#define S_IFCHR 0020000
+#define S_IFIFO 0010000
+#define S_ISUID 0004000
+#define S_ISGID 0002000
+#define S_ISVTX 0001000
+#define S_ISLNK(m) (((m)&S_IFMT) == S_IFLNK)
+#define S_ISDIR(m) (((m)&S_IFMT) == S_IFDIR)
+#define S_ISCHR(m) (((m)&S_IFMT) == S_IFCHR)
+#define S_ISBLK(m) (((m)&S_IFMT) == S_IFBLK)
+#define S_ISFIFO(m) (((m)&S_IFMT) == S_IFIFO)
+#define S_ISSOCK(m) (((m)&S_IFMT) == S_IFSOCK)
+#define IS_ERR_VALUE(x) (unsigned long)(void*)(x) >= (unsigned long)-MAX_ERRNO
+
+#define KILL_DATA_ARRAY_SIZE 8
+
+struct var_kill_data_arr_t {
+	struct var_kill_data_t array[KILL_DATA_ARRAY_SIZE];
+};
+
+union any_profiler_data_t {
+	struct var_exec_data_t var_exec;
+	struct var_kill_data_t var_kill;
+	struct var_sysctl_data_t var_sysctl;
+	struct var_filemod_data_t var_filemod;
+	struct var_fork_data_t var_fork;
+	struct var_kill_data_arr_t var_kill_data_arr;
+};
+
+volatile struct profiler_config_struct bpf_config = {};
+
+#define FETCH_CGROUPS_FROM_BPF (bpf_config.fetch_cgroups_from_bpf)
+#define CGROUP_FS_INODE (bpf_config.cgroup_fs_inode)
+#define CGROUP_LOGIN_SESSION_INODE \
+	(bpf_config.cgroup_login_session_inode)
+#define KILL_SIGNALS (bpf_config.kill_signals_mask)
+#define STALE_INFO (bpf_config.stale_info_secs)
+#define INODE_FILTER (bpf_config.inode_filter)
+#define READ_ENVIRON_FROM_EXEC (bpf_config.read_environ_from_exec)
+#define ENABLE_CGROUP_V1_RESOLVER (bpf_config.enable_cgroup_v1_resolver)
+
+struct kernfs_iattrs___52 {
+	struct iattr ia_iattr;
+};
+
+struct kernfs_node___52 {
+	union /* kernfs_node_id */ {
+		struct {
+			u32 ino;
+			u32 generation;
+		};
+		u64 id;
+	} id;
+};
+
+struct {
+	__uint(type, BPF_MAP_TYPE_PERCPU_ARRAY);
+	__uint(max_entries, 1);
+	__type(key, u32);
+	__type(value, union any_profiler_data_t);
+} data_heap SEC(".maps");
+
+struct {
+	__uint(type, BPF_MAP_TYPE_PERF_EVENT_ARRAY);
+	__uint(key_size, sizeof(int));
+	__uint(value_size, sizeof(int));
+} events SEC(".maps");
+
+struct {
+	__uint(type, BPF_MAP_TYPE_HASH);
+	__uint(max_entries, KILL_DATA_ARRAY_SIZE);
+	__type(key, u32);
+	__type(value, struct var_kill_data_arr_t);
+} var_tpid_to_data SEC(".maps");
+
+struct {
+	__uint(type, BPF_MAP_TYPE_PERCPU_ARRAY);
+	__uint(max_entries, profiler_bpf_max_function_id);
+	__type(key, u32);
+	__type(value, struct bpf_func_stats_data);
+} bpf_func_stats SEC(".maps");
+
+struct {
+	__uint(type, BPF_MAP_TYPE_HASH);
+	__type(key, u32);
+	__type(value, bool);
+	__uint(max_entries, 16);
+} allowed_devices SEC(".maps");
+
+struct {
+	__uint(type, BPF_MAP_TYPE_HASH);
+	__type(key, u64);
+	__type(value, bool);
+	__uint(max_entries, 1024);
+} allowed_file_inodes SEC(".maps");
+
+struct {
+	__uint(type, BPF_MAP_TYPE_HASH);
+	__type(key, u64);
+	__type(value, bool);
+	__uint(max_entries, 1024);
+} allowed_directory_inodes SEC(".maps");
+
+struct {
+	__uint(type, BPF_MAP_TYPE_HASH);
+	__type(key, u32);
+	__type(value, bool);
+	__uint(max_entries, 16);
+} disallowed_exec_inodes SEC(".maps");
+
+#ifndef ARRAY_SIZE
+#define ARRAY_SIZE(arr) (sizeof(arr) / sizeof(arr[0]))
+#endif
+
+static INLINE bool IS_ERR(const void* ptr)
+{
+	return IS_ERR_VALUE((unsigned long)ptr);
+}
+
+static INLINE u32 get_userspace_pid()
+{
+	return bpf_get_current_pid_tgid() >> 32;
+}
+
+static INLINE bool is_init_process(u32 tgid)
+{
+	return tgid == 1 || tgid == 0;
+}
+
+static INLINE unsigned long
+probe_read_lim(void* dst, void* src, unsigned long len, unsigned long max)
+{
+	len = len < max ? len : max;
+	if (len > 1) {
+		if (bpf_probe_read(dst, len, src))
+			return 0;
+	} else if (len == 1) {
+		if (bpf_probe_read(dst, 1, src))
+			return 0;
+	}
+	return len;
+}
+
+static INLINE int get_var_spid_index(struct var_kill_data_arr_t* arr_struct,
+				     int spid)
+{
+#ifdef UNROLL
+#pragma unroll
+#endif
+	for (int i = 0; i < ARRAY_SIZE(arr_struct->array); i++)
+		if (arr_struct->array[i].meta.pid == spid)
+			return i;
+	return -1;
+}
+
+static INLINE void populate_ancestors(struct task_struct* task,
+				      struct ancestors_data_t* ancestors_data)
+{
+	struct task_struct* parent = task;
+	u32 num_ancestors, ppid;
+
+	ancestors_data->num_ancestors = 0;
+#ifdef UNROLL
+#pragma unroll
+#endif
+	for (num_ancestors = 0; num_ancestors < MAX_ANCESTORS; num_ancestors++) {
+		parent = BPF_CORE_READ(parent, real_parent);
+		if (parent == NULL)
+			break;
+		ppid = BPF_CORE_READ(parent, tgid);
+		if (is_init_process(ppid))
+			break;
+		ancestors_data->ancestor_pids[num_ancestors] = ppid;
+		ancestors_data->ancestor_exec_ids[num_ancestors] =
+			BPF_CORE_READ(parent, self_exec_id);
+		ancestors_data->ancestor_start_times[num_ancestors] =
+			BPF_CORE_READ(parent, start_time);
+		ancestors_data->num_ancestors = num_ancestors;
+	}
+}
+
+static INLINE void* read_full_cgroup_path(struct kernfs_node* cgroup_node,
+					  struct kernfs_node* cgroup_root_node,
+					  void* payload,
+					  int* root_pos)
+{
+	void* payload_start = payload;
+	size_t filepart_length;
+
+#ifdef UNROLL
+#pragma unroll
+#endif
+	for (int i = 0; i < MAX_CGROUPS_PATH_DEPTH; i++) {
+		filepart_length =
+			bpf_probe_read_str(payload, MAX_PATH, BPF_CORE_READ(cgroup_node, name));
+		if (!cgroup_node)
+			return payload;
+		if (cgroup_node == cgroup_root_node)
+			*root_pos = payload - payload_start;
+		if (filepart_length <= MAX_PATH) {
+			barrier_var(filepart_length);
+			payload += filepart_length;
+		}
+		cgroup_node = BPF_CORE_READ(cgroup_node, parent);
+	}
+	return payload;
+}
+
+static ino_t get_inode_from_kernfs(struct kernfs_node* node)
+{
+	struct kernfs_node___52* node52 = (void*)node;
+
+	if (bpf_core_field_exists(node52->id.ino)) {
+		barrier_var(node52);
+		return BPF_CORE_READ(node52, id.ino);
+	} else {
+		barrier_var(node);
+		return (u64)BPF_CORE_READ(node, id);
+	}
+}
+
+extern bool CONFIG_CGROUP_PIDS __kconfig __weak;
+enum cgroup_subsys_id___local {
+	pids_cgrp_id___local = 123, /* value doesn't matter */
+};
+
+static INLINE void* populate_cgroup_info(struct cgroup_data_t* cgroup_data,
+					 struct task_struct* task,
+					 void* payload)
+{
+	struct kernfs_node* root_kernfs =
+		BPF_CORE_READ(task, nsproxy, cgroup_ns, root_cset, dfl_cgrp, kn);
+	struct kernfs_node* proc_kernfs = BPF_CORE_READ(task, cgroups, dfl_cgrp, kn);
+
+#if __has_builtin(__builtin_preserve_enum_value)
+	if (ENABLE_CGROUP_V1_RESOLVER && CONFIG_CGROUP_PIDS) {
+		int cgrp_id = bpf_core_enum_value(enum cgroup_subsys_id___local,
+						  pids_cgrp_id___local);
+#ifdef UNROLL
+#pragma unroll
+#endif
+		for (int i = 0; i < CGROUP_SUBSYS_COUNT; i++) {
+			struct cgroup_subsys_state* subsys =
+				BPF_CORE_READ(task, cgroups, subsys[i]);
+			if (subsys != NULL) {
+				int subsys_id = BPF_CORE_READ(subsys, ss, id);
+				if (subsys_id == cgrp_id) {
+					proc_kernfs = BPF_CORE_READ(subsys, cgroup, kn);
+					root_kernfs = BPF_CORE_READ(subsys, ss, root, kf_root, kn);
+					break;
+				}
+			}
+		}
+	}
+#endif
+
+	cgroup_data->cgroup_root_inode = get_inode_from_kernfs(root_kernfs);
+	cgroup_data->cgroup_proc_inode = get_inode_from_kernfs(proc_kernfs);
+
+	if (bpf_core_field_exists(root_kernfs->iattr->ia_mtime)) {
+		cgroup_data->cgroup_root_mtime =
+			BPF_CORE_READ(root_kernfs, iattr, ia_mtime.tv_nsec);
+		cgroup_data->cgroup_proc_mtime =
+			BPF_CORE_READ(proc_kernfs, iattr, ia_mtime.tv_nsec);
+	} else {
+		struct kernfs_iattrs___52* root_iattr =
+			(struct kernfs_iattrs___52*)BPF_CORE_READ(root_kernfs, iattr);
+		cgroup_data->cgroup_root_mtime =
+			BPF_CORE_READ(root_iattr, ia_iattr.ia_mtime.tv_nsec);
+
+		struct kernfs_iattrs___52* proc_iattr =
+			(struct kernfs_iattrs___52*)BPF_CORE_READ(proc_kernfs, iattr);
+		cgroup_data->cgroup_proc_mtime =
+			BPF_CORE_READ(proc_iattr, ia_iattr.ia_mtime.tv_nsec);
+	}
+
+	cgroup_data->cgroup_root_length = 0;
+	cgroup_data->cgroup_proc_length = 0;
+	cgroup_data->cgroup_full_length = 0;
+
+	size_t cgroup_root_length =
+		bpf_probe_read_str(payload, MAX_PATH, BPF_CORE_READ(root_kernfs, name));
+	barrier_var(cgroup_root_length);
+	if (cgroup_root_length <= MAX_PATH) {
+		barrier_var(cgroup_root_length);
+		cgroup_data->cgroup_root_length = cgroup_root_length;
+		payload += cgroup_root_length;
+	}
+
+	size_t cgroup_proc_length =
+		bpf_probe_read_str(payload, MAX_PATH, BPF_CORE_READ(proc_kernfs, name));
+	barrier_var(cgroup_proc_length);
+	if (cgroup_proc_length <= MAX_PATH) {
+		barrier_var(cgroup_proc_length);
+		cgroup_data->cgroup_proc_length = cgroup_proc_length;
+		payload += cgroup_proc_length;
+	}
+
+	if (FETCH_CGROUPS_FROM_BPF) {
+		cgroup_data->cgroup_full_path_root_pos = -1;
+		void* payload_end_pos = read_full_cgroup_path(proc_kernfs, root_kernfs, payload,
+							      &cgroup_data->cgroup_full_path_root_pos);
+		cgroup_data->cgroup_full_length = payload_end_pos - payload;
+		payload = payload_end_pos;
+	}
+
+	return (void*)payload;
+}
+
+static INLINE void* populate_var_metadata(struct var_metadata_t* metadata,
+					  struct task_struct* task,
+					  u32 pid, void* payload)
+{
+	u64 uid_gid = bpf_get_current_uid_gid();
+
+	metadata->uid = (u32)uid_gid;
+	metadata->gid = uid_gid >> 32;
+	metadata->pid = pid;
+	metadata->exec_id = BPF_CORE_READ(task, self_exec_id);
+	metadata->start_time = BPF_CORE_READ(task, start_time);
+	metadata->comm_length = 0;
+
+	size_t comm_length = bpf_core_read_str(payload, TASK_COMM_LEN, &task->comm);
+	barrier_var(comm_length);
+	if (comm_length <= TASK_COMM_LEN) {
+		barrier_var(comm_length);
+		metadata->comm_length = comm_length;
+		payload += comm_length;
+	}
+
+	return (void*)payload;
+}
+
+static INLINE struct var_kill_data_t*
+get_var_kill_data(struct pt_regs* ctx, int spid, int tpid, int sig)
+{
+	int zero = 0;
+	struct var_kill_data_t* kill_data = bpf_map_lookup_elem(&data_heap, &zero);
+
+	if (kill_data == NULL)
+		return NULL;
+	struct task_struct* task = (struct task_struct*)bpf_get_current_task();
+
+	void* payload = populate_var_metadata(&kill_data->meta, task, spid, kill_data->payload);
+	payload = populate_cgroup_info(&kill_data->cgroup_data, task, payload);
+	size_t payload_length = payload - (void*)kill_data->payload;
+	kill_data->payload_length = payload_length;
+	populate_ancestors(task, &kill_data->ancestors_info);
+	kill_data->meta.type = KILL_EVENT;
+	kill_data->kill_target_pid = tpid;
+	kill_data->kill_sig = sig;
+	kill_data->kill_count = 1;
+	kill_data->last_kill_time = bpf_ktime_get_ns();
+	return kill_data;
+}
+
+static INLINE int trace_var_sys_kill(void* ctx, int tpid, int sig)
+{
+	if ((KILL_SIGNALS & (1ULL << sig)) == 0)
+		return 0;
+
+	u32 spid = get_userspace_pid();
+	struct var_kill_data_arr_t* arr_struct = bpf_map_lookup_elem(&var_tpid_to_data, &tpid);
+
+	if (arr_struct == NULL) {
+		struct var_kill_data_t* kill_data = get_var_kill_data(ctx, spid, tpid, sig);
+		int zero = 0;
+
+		if (kill_data == NULL)
+			return 0;
+		arr_struct = bpf_map_lookup_elem(&data_heap, &zero);
+		if (arr_struct == NULL)
+			return 0;
+		bpf_probe_read(&arr_struct->array[0], sizeof(arr_struct->array[0]), kill_data);
+	} else {
+		int index = get_var_spid_index(arr_struct, spid);
+
+		if (index == -1) {
+			struct var_kill_data_t* kill_data =
+				get_var_kill_data(ctx, spid, tpid, sig);
+			if (kill_data == NULL)
+				return 0;
+#ifdef UNROLL
+#pragma unroll
+#endif
+			for (int i = 0; i < ARRAY_SIZE(arr_struct->array); i++)
+				if (arr_struct->array[i].meta.pid == 0) {
+					bpf_probe_read(&arr_struct->array[i],
+						       sizeof(arr_struct->array[i]), kill_data);
+					bpf_map_update_elem(&var_tpid_to_data, &tpid,
+							    arr_struct, 0);
+
+					return 0;
+				}
+			return 0;
+		}
+
+		struct var_kill_data_t* kill_data = &arr_struct->array[index];
+
+		u64 delta_sec =
+			(bpf_ktime_get_ns() - kill_data->last_kill_time) / 1000000000;
+
+		if (delta_sec < STALE_INFO) {
+			kill_data->kill_count++;
+			kill_data->last_kill_time = bpf_ktime_get_ns();
+			bpf_probe_read(&arr_struct->array[index],
+				       sizeof(arr_struct->array[index]),
+				       kill_data);
+		} else {
+			struct var_kill_data_t* kill_data =
+				get_var_kill_data(ctx, spid, tpid, sig);
+			if (kill_data == NULL)
+				return 0;
+			bpf_probe_read(&arr_struct->array[index],
+				       sizeof(arr_struct->array[index]),
+				       kill_data);
+		}
+	}
+	bpf_map_update_elem(&var_tpid_to_data, &tpid, arr_struct, 0);
+	return 0;
+}
+
+static INLINE void bpf_stats_enter(struct bpf_func_stats_ctx* bpf_stat_ctx,
+				   enum bpf_function_id func_id)
+{
+	int func_id_key = func_id;
+
+	bpf_stat_ctx->start_time_ns = bpf_ktime_get_ns();
+	bpf_stat_ctx->bpf_func_stats_data_val =
+		bpf_map_lookup_elem(&bpf_func_stats, &func_id_key);
+	if (bpf_stat_ctx->bpf_func_stats_data_val)
+		bpf_stat_ctx->bpf_func_stats_data_val->num_executions++;
+}
+
+static INLINE void bpf_stats_exit(struct bpf_func_stats_ctx* bpf_stat_ctx)
+{
+	if (bpf_stat_ctx->bpf_func_stats_data_val)
+		bpf_stat_ctx->bpf_func_stats_data_val->time_elapsed_ns +=
+			bpf_ktime_get_ns() - bpf_stat_ctx->start_time_ns;
+}
+
+static INLINE void
+bpf_stats_pre_submit_var_perf_event(struct bpf_func_stats_ctx* bpf_stat_ctx,
+				    struct var_metadata_t* meta)
+{
+	if (bpf_stat_ctx->bpf_func_stats_data_val) {
+		bpf_stat_ctx->bpf_func_stats_data_val->num_perf_events++;
+		meta->bpf_stats_num_perf_events =
+			bpf_stat_ctx->bpf_func_stats_data_val->num_perf_events;
+	}
+	meta->bpf_stats_start_ktime_ns = bpf_stat_ctx->start_time_ns;
+	meta->cpu_id = bpf_get_smp_processor_id();
+}
+
+static INLINE size_t
+read_absolute_file_path_from_dentry(struct dentry* filp_dentry, void* payload)
+{
+	size_t length = 0;
+	size_t filepart_length;
+	struct dentry* parent_dentry;
+
+#ifdef UNROLL
+#pragma unroll
+#endif
+	for (int i = 0; i < MAX_PATH_DEPTH; i++) {
+		filepart_length = bpf_probe_read_str(payload, MAX_PATH,
+						     BPF_CORE_READ(filp_dentry, d_name.name));
+		barrier_var(filepart_length);
+		if (filepart_length > MAX_PATH)
+			break;
+		barrier_var(filepart_length);
+		payload += filepart_length;
+		length += filepart_length;
+
+		parent_dentry = BPF_CORE_READ(filp_dentry, d_parent);
+		if (filp_dentry == parent_dentry)
+			break;
+		filp_dentry = parent_dentry;
+	}
+
+	return length;
+}
+
+static INLINE bool
+is_ancestor_in_allowed_inodes(struct dentry* filp_dentry)
+{
+	struct dentry* parent_dentry;
+#ifdef UNROLL
+#pragma unroll
+#endif
+	for (int i = 0; i < MAX_PATH_DEPTH; i++) {
+		u64 dir_ino = BPF_CORE_READ(filp_dentry, d_inode, i_ino);
+		bool* allowed_dir = bpf_map_lookup_elem(&allowed_directory_inodes, &dir_ino);
+
+		if (allowed_dir != NULL)
+			return true;
+		parent_dentry = BPF_CORE_READ(filp_dentry, d_parent);
+		if (filp_dentry == parent_dentry)
+			break;
+		filp_dentry = parent_dentry;
+	}
+	return false;
+}
+
+static INLINE bool is_dentry_allowed_for_filemod(struct dentry* file_dentry,
+						 u32* device_id,
+						 u64* file_ino)
+{
+	u32 dev_id = BPF_CORE_READ(file_dentry, d_sb, s_dev);
+	*device_id = dev_id;
+	bool* allowed_device = bpf_map_lookup_elem(&allowed_devices, &dev_id);
+
+	if (allowed_device == NULL)
+		return false;
+
+	u64 ino = BPF_CORE_READ(file_dentry, d_inode, i_ino);
+	*file_ino = ino;
+	bool* allowed_file = bpf_map_lookup_elem(&allowed_file_inodes, &ino);
+
+	if (allowed_file == NULL)
+		if (!is_ancestor_in_allowed_inodes(BPF_CORE_READ(file_dentry, d_parent)))
+			return false;
+	return true;
+}
+
+SEC("kprobe/proc_sys_write")
+ssize_t BPF_KPROBE(kprobe__proc_sys_write,
+		   struct file* filp, const char* buf,
+		   size_t count, loff_t* ppos)
+{
+	struct bpf_func_stats_ctx stats_ctx;
+	bpf_stats_enter(&stats_ctx, profiler_bpf_proc_sys_write);
+
+	u32 pid = get_userspace_pid();
+	int zero = 0;
+	struct var_sysctl_data_t* sysctl_data =
+		bpf_map_lookup_elem(&data_heap, &zero);
+	if (!sysctl_data)
+		goto out;
+
+	struct task_struct* task = (struct task_struct*)bpf_get_current_task();
+	sysctl_data->meta.type = SYSCTL_EVENT;
+	void* payload = populate_var_metadata(&sysctl_data->meta, task, pid, sysctl_data->payload);
+	payload = populate_cgroup_info(&sysctl_data->cgroup_data, task, payload);
+
+	populate_ancestors(task, &sysctl_data->ancestors_info);
+
+	sysctl_data->sysctl_val_length = 0;
+	sysctl_data->sysctl_path_length = 0;
+
+	size_t sysctl_val_length = bpf_probe_read_str(payload, CTL_MAXNAME, buf);
+	barrier_var(sysctl_val_length);
+	if (sysctl_val_length <= CTL_MAXNAME) {
+		barrier_var(sysctl_val_length);
+		sysctl_data->sysctl_val_length = sysctl_val_length;
+		payload += sysctl_val_length;
+	}
+
+	size_t sysctl_path_length = bpf_probe_read_str(payload, MAX_PATH,
+						       BPF_CORE_READ(filp, f_path.dentry, d_name.name));
+	barrier_var(sysctl_path_length);
+	if (sysctl_path_length <= MAX_PATH) {
+		barrier_var(sysctl_path_length);
+		sysctl_data->sysctl_path_length = sysctl_path_length;
+		payload += sysctl_path_length;
+	}
+
+	bpf_stats_pre_submit_var_perf_event(&stats_ctx, &sysctl_data->meta);
+	unsigned long data_len = payload - (void*)sysctl_data;
+	data_len = data_len > sizeof(struct var_sysctl_data_t)
+		? sizeof(struct var_sysctl_data_t)
+		: data_len;
+	bpf_perf_event_output(ctx, &events, BPF_F_CURRENT_CPU, sysctl_data, data_len);
+out:
+	bpf_stats_exit(&stats_ctx);
+	return 0;
+}
+
+SEC("tracepoint/syscalls/sys_enter_kill")
+int tracepoint__syscalls__sys_enter_kill(struct trace_event_raw_sys_enter* ctx)
+{
+	struct bpf_func_stats_ctx stats_ctx;
+
+	bpf_stats_enter(&stats_ctx, profiler_bpf_sys_enter_kill);
+	int pid = ctx->args[0];
+	int sig = ctx->args[1];
+	int ret = trace_var_sys_kill(ctx, pid, sig);
+	bpf_stats_exit(&stats_ctx);
+	return ret;
+};
+
+SEC("raw_tracepoint/sched_process_exit")
+int raw_tracepoint__sched_process_exit(void* ctx)
+{
+	int zero = 0;
+	struct bpf_func_stats_ctx stats_ctx;
+	bpf_stats_enter(&stats_ctx, profiler_bpf_sched_process_exit);
+
+	u32 tpid = get_userspace_pid();
+
+	struct var_kill_data_arr_t* arr_struct = bpf_map_lookup_elem(&var_tpid_to_data, &tpid);
+	struct var_kill_data_t* kill_data = bpf_map_lookup_elem(&data_heap, &zero);
+
+	if (arr_struct == NULL || kill_data == NULL)
+		goto out;
+
+	struct task_struct* task = (struct task_struct*)bpf_get_current_task();
+	struct kernfs_node* proc_kernfs = BPF_CORE_READ(task, cgroups, dfl_cgrp, kn);
+
+#ifdef UNROLL
+#pragma unroll
+#endif
+	for (int i = 0; i < ARRAY_SIZE(arr_struct->array); i++) {
+		struct var_kill_data_t* past_kill_data = &arr_struct->array[i];
+
+		if (past_kill_data != NULL && past_kill_data->kill_target_pid == tpid) {
+			bpf_probe_read(kill_data, sizeof(*past_kill_data), past_kill_data);
+			void* payload = kill_data->payload;
+			size_t offset = kill_data->payload_length;
+			if (offset >= MAX_METADATA_PAYLOAD_LEN + MAX_CGROUP_PAYLOAD_LEN)
+				return 0;
+			payload += offset;
+
+			kill_data->kill_target_name_length = 0;
+			kill_data->kill_target_cgroup_proc_length = 0;
+
+			size_t comm_length = bpf_core_read_str(payload, TASK_COMM_LEN, &task->comm);
+			barrier_var(comm_length);
+			if (comm_length <= TASK_COMM_LEN) {
+				barrier_var(comm_length);
+				kill_data->kill_target_name_length = comm_length;
+				payload += comm_length;
+			}
+
+			size_t cgroup_proc_length = bpf_probe_read_str(payload, KILL_TARGET_LEN,
+								       BPF_CORE_READ(proc_kernfs, name));
+			barrier_var(cgroup_proc_length);
+			if (cgroup_proc_length <= KILL_TARGET_LEN) {
+				barrier_var(cgroup_proc_length);
+				kill_data->kill_target_cgroup_proc_length = cgroup_proc_length;
+				payload += cgroup_proc_length;
+			}
+
+			bpf_stats_pre_submit_var_perf_event(&stats_ctx, &kill_data->meta);
+			unsigned long data_len = (void*)payload - (void*)kill_data;
+			data_len = data_len > sizeof(struct var_kill_data_t)
+				? sizeof(struct var_kill_data_t)
+				: data_len;
+			bpf_perf_event_output(ctx, &events, BPF_F_CURRENT_CPU, kill_data, data_len);
+		}
+	}
+	bpf_map_delete_elem(&var_tpid_to_data, &tpid);
+out:
+	bpf_stats_exit(&stats_ctx);
+	return 0;
+}
+
+SEC("raw_tracepoint/sched_process_exec")
+int raw_tracepoint__sched_process_exec(struct bpf_raw_tracepoint_args* ctx)
+{
+	struct bpf_func_stats_ctx stats_ctx;
+	bpf_stats_enter(&stats_ctx, profiler_bpf_sched_process_exec);
+
+	struct linux_binprm* bprm = (struct linux_binprm*)ctx->args[2];
+	u64 inode = BPF_CORE_READ(bprm, file, f_inode, i_ino);
+
+	bool* should_filter_binprm = bpf_map_lookup_elem(&disallowed_exec_inodes, &inode);
+	if (should_filter_binprm != NULL)
+		goto out;
+
+	int zero = 0;
+	struct var_exec_data_t* proc_exec_data = bpf_map_lookup_elem(&data_heap, &zero);
+	if (!proc_exec_data)
+		goto out;
+
+	if (INODE_FILTER && inode != INODE_FILTER)
+		return 0;
+
+	u32 pid = get_userspace_pid();
+	struct task_struct* task = (struct task_struct*)bpf_get_current_task();
+
+	proc_exec_data->meta.type = EXEC_EVENT;
+	proc_exec_data->bin_path_length = 0;
+	proc_exec_data->cmdline_length = 0;
+	proc_exec_data->environment_length = 0;
+	void* payload = populate_var_metadata(&proc_exec_data->meta, task, pid,
+					      proc_exec_data->payload);
+	payload = populate_cgroup_info(&proc_exec_data->cgroup_data, task, payload);
+
+	struct task_struct* parent_task = BPF_CORE_READ(task, real_parent);
+	proc_exec_data->parent_pid = BPF_CORE_READ(parent_task, tgid);
+	proc_exec_data->parent_uid = BPF_CORE_READ(parent_task, real_cred, uid.val);
+	proc_exec_data->parent_exec_id = BPF_CORE_READ(parent_task, self_exec_id);
+	proc_exec_data->parent_start_time = BPF_CORE_READ(parent_task, start_time);
+
+	const char* filename = BPF_CORE_READ(bprm, filename);
+	size_t bin_path_length = bpf_probe_read_str(payload, MAX_FILENAME_LEN, filename);
+	barrier_var(bin_path_length);
+	if (bin_path_length <= MAX_FILENAME_LEN) {
+		barrier_var(bin_path_length);
+		proc_exec_data->bin_path_length = bin_path_length;
+		payload += bin_path_length;
+	}
+
+	void* arg_start = (void*)BPF_CORE_READ(task, mm, arg_start);
+	void* arg_end = (void*)BPF_CORE_READ(task, mm, arg_end);
+	unsigned int cmdline_length = probe_read_lim(payload, arg_start,
+						     arg_end - arg_start, MAX_ARGS_LEN);
+
+	if (cmdline_length <= MAX_ARGS_LEN) {
+		barrier_var(cmdline_length);
+		proc_exec_data->cmdline_length = cmdline_length;
+		payload += cmdline_length;
+	}
+
+	if (READ_ENVIRON_FROM_EXEC) {
+		void* env_start = (void*)BPF_CORE_READ(task, mm, env_start);
+		void* env_end = (void*)BPF_CORE_READ(task, mm, env_end);
+		unsigned long env_len = probe_read_lim(payload, env_start,
+						       env_end - env_start, MAX_ENVIRON_LEN);
+		if (cmdline_length <= MAX_ENVIRON_LEN) {
+			proc_exec_data->environment_length = env_len;
+			payload += env_len;
+		}
+	}
+
+	bpf_stats_pre_submit_var_perf_event(&stats_ctx, &proc_exec_data->meta);
+	unsigned long data_len = payload - (void*)proc_exec_data;
+	data_len = data_len > sizeof(struct var_exec_data_t)
+		? sizeof(struct var_exec_data_t)
+		: data_len;
+	bpf_perf_event_output(ctx, &events, BPF_F_CURRENT_CPU, proc_exec_data, data_len);
+out:
+	bpf_stats_exit(&stats_ctx);
+	return 0;
+}
+
+SEC("kretprobe/do_filp_open")
+int kprobe_ret__do_filp_open(struct pt_regs* ctx)
+{
+	struct bpf_func_stats_ctx stats_ctx;
+	bpf_stats_enter(&stats_ctx, profiler_bpf_do_filp_open_ret);
+
+	struct file* filp = (struct file*)PT_REGS_RC_CORE(ctx);
+
+	if (filp == NULL || IS_ERR(filp))
+		goto out;
+	unsigned int flags = BPF_CORE_READ(filp, f_flags);
+	if ((flags & (O_RDWR | O_WRONLY)) == 0)
+		goto out;
+	if ((flags & O_TMPFILE) > 0)
+		goto out;
+	struct inode* file_inode = BPF_CORE_READ(filp, f_inode);
+	umode_t mode = BPF_CORE_READ(file_inode, i_mode);
+	if (S_ISDIR(mode) || S_ISCHR(mode) || S_ISBLK(mode) || S_ISFIFO(mode) ||
+	    S_ISSOCK(mode))
+		goto out;
+
+	struct dentry* filp_dentry = BPF_CORE_READ(filp, f_path.dentry);
+	u32 device_id = 0;
+	u64 file_ino = 0;
+	if (!is_dentry_allowed_for_filemod(filp_dentry, &device_id, &file_ino))
+		goto out;
+
+	int zero = 0;
+	struct var_filemod_data_t* filemod_data = bpf_map_lookup_elem(&data_heap, &zero);
+	if (!filemod_data)
+		goto out;
+
+	u32 pid = get_userspace_pid();
+	struct task_struct* task = (struct task_struct*)bpf_get_current_task();
+
+	filemod_data->meta.type = FILEMOD_EVENT;
+	filemod_data->fmod_type = FMOD_OPEN;
+	filemod_data->dst_flags = flags;
+	filemod_data->src_inode = 0;
+	filemod_data->dst_inode = file_ino;
+	filemod_data->src_device_id = 0;
+	filemod_data->dst_device_id = device_id;
+	filemod_data->src_filepath_length = 0;
+	filemod_data->dst_filepath_length = 0;
+
+	void* payload = populate_var_metadata(&filemod_data->meta, task, pid,
+					      filemod_data->payload);
+	payload = populate_cgroup_info(&filemod_data->cgroup_data, task, payload);
+
+	size_t len = read_absolute_file_path_from_dentry(filp_dentry, payload);
+	barrier_var(len);
+	if (len <= MAX_FILEPATH_LENGTH) {
+		barrier_var(len);
+		payload += len;
+		filemod_data->dst_filepath_length = len;
+	}
+	bpf_stats_pre_submit_var_perf_event(&stats_ctx, &filemod_data->meta);
+	unsigned long data_len = payload - (void*)filemod_data;
+	data_len = data_len > sizeof(*filemod_data) ? sizeof(*filemod_data) : data_len;
+	bpf_perf_event_output(ctx, &events, BPF_F_CURRENT_CPU, filemod_data, data_len);
+out:
+	bpf_stats_exit(&stats_ctx);
+	return 0;
+}
+
+SEC("kprobe/vfs_link")
+int BPF_KPROBE(kprobe__vfs_link,
+	       struct dentry* old_dentry, struct user_namespace *mnt_userns,
+	       struct inode* dir, struct dentry* new_dentry,
+	       struct inode** delegated_inode)
+{
+	struct bpf_func_stats_ctx stats_ctx;
+	bpf_stats_enter(&stats_ctx, profiler_bpf_vfs_link);
+
+	u32 src_device_id = 0;
+	u64 src_file_ino = 0;
+	u32 dst_device_id = 0;
+	u64 dst_file_ino = 0;
+	if (!is_dentry_allowed_for_filemod(old_dentry, &src_device_id, &src_file_ino) &&
+	    !is_dentry_allowed_for_filemod(new_dentry, &dst_device_id, &dst_file_ino))
+		goto out;
+
+	int zero = 0;
+	struct var_filemod_data_t* filemod_data = bpf_map_lookup_elem(&data_heap, &zero);
+	if (!filemod_data)
+		goto out;
+
+	u32 pid = get_userspace_pid();
+	struct task_struct* task = (struct task_struct*)bpf_get_current_task();
+
+	filemod_data->meta.type = FILEMOD_EVENT;
+	filemod_data->fmod_type = FMOD_LINK;
+	filemod_data->dst_flags = 0;
+	filemod_data->src_inode = src_file_ino;
+	filemod_data->dst_inode = dst_file_ino;
+	filemod_data->src_device_id = src_device_id;
+	filemod_data->dst_device_id = dst_device_id;
+	filemod_data->src_filepath_length = 0;
+	filemod_data->dst_filepath_length = 0;
+
+	void* payload = populate_var_metadata(&filemod_data->meta, task, pid,
+					      filemod_data->payload);
+	payload = populate_cgroup_info(&filemod_data->cgroup_data, task, payload);
+
+	size_t len = read_absolute_file_path_from_dentry(old_dentry, payload);
+	barrier_var(len);
+	if (len <= MAX_FILEPATH_LENGTH) {
+		barrier_var(len);
+		payload += len;
+		filemod_data->src_filepath_length = len;
+	}
+
+	len = read_absolute_file_path_from_dentry(new_dentry, payload);
+	barrier_var(len);
+	if (len <= MAX_FILEPATH_LENGTH) {
+		barrier_var(len);
+		payload += len;
+		filemod_data->dst_filepath_length = len;
+	}
+
+	bpf_stats_pre_submit_var_perf_event(&stats_ctx, &filemod_data->meta);
+	unsigned long data_len = payload - (void*)filemod_data;
+	data_len = data_len > sizeof(*filemod_data) ? sizeof(*filemod_data) : data_len;
+	bpf_perf_event_output(ctx, &events, BPF_F_CURRENT_CPU, filemod_data, data_len);
+out:
+	bpf_stats_exit(&stats_ctx);
+	return 0;
+}
+
+SEC("kprobe/vfs_symlink")
+int BPF_KPROBE(kprobe__vfs_symlink, struct inode* dir, struct dentry* dentry,
+	       const char* oldname)
+{
+	struct bpf_func_stats_ctx stats_ctx;
+	bpf_stats_enter(&stats_ctx, profiler_bpf_vfs_symlink);
+
+	u32 dst_device_id = 0;
+	u64 dst_file_ino = 0;
+	if (!is_dentry_allowed_for_filemod(dentry, &dst_device_id, &dst_file_ino))
+		goto out;
+
+	int zero = 0;
+	struct var_filemod_data_t* filemod_data = bpf_map_lookup_elem(&data_heap, &zero);
+	if (!filemod_data)
+		goto out;
+
+	u32 pid = get_userspace_pid();
+	struct task_struct* task = (struct task_struct*)bpf_get_current_task();
+
+	filemod_data->meta.type = FILEMOD_EVENT;
+	filemod_data->fmod_type = FMOD_SYMLINK;
+	filemod_data->dst_flags = 0;
+	filemod_data->src_inode = 0;
+	filemod_data->dst_inode = dst_file_ino;
+	filemod_data->src_device_id = 0;
+	filemod_data->dst_device_id = dst_device_id;
+	filemod_data->src_filepath_length = 0;
+	filemod_data->dst_filepath_length = 0;
+
+	void* payload = populate_var_metadata(&filemod_data->meta, task, pid,
+					      filemod_data->payload);
+	payload = populate_cgroup_info(&filemod_data->cgroup_data, task, payload);
+
+	size_t len = bpf_probe_read_str(payload, MAX_FILEPATH_LENGTH, oldname);
+	barrier_var(len);
+	if (len <= MAX_FILEPATH_LENGTH) {
+		barrier_var(len);
+		payload += len;
+		filemod_data->src_filepath_length = len;
+	}
+	len = read_absolute_file_path_from_dentry(dentry, payload);
+	barrier_var(len);
+	if (len <= MAX_FILEPATH_LENGTH) {
+		barrier_var(len);
+		payload += len;
+		filemod_data->dst_filepath_length = len;
+	}
+	bpf_stats_pre_submit_var_perf_event(&stats_ctx, &filemod_data->meta);
+	unsigned long data_len = payload - (void*)filemod_data;
+	data_len = data_len > sizeof(*filemod_data) ? sizeof(*filemod_data) : data_len;
+	bpf_perf_event_output(ctx, &events, BPF_F_CURRENT_CPU, filemod_data, data_len);
+out:
+	bpf_stats_exit(&stats_ctx);
+	return 0;
+}
+
+SEC("raw_tracepoint/sched_process_fork")
+int raw_tracepoint__sched_process_fork(struct bpf_raw_tracepoint_args* ctx)
+{
+	struct bpf_func_stats_ctx stats_ctx;
+	bpf_stats_enter(&stats_ctx, profiler_bpf_sched_process_fork);
+
+	int zero = 0;
+	struct var_fork_data_t* fork_data = bpf_map_lookup_elem(&data_heap, &zero);
+	if (!fork_data)
+		goto out;
+
+	struct task_struct* parent = (struct task_struct*)ctx->args[0];
+	struct task_struct* child = (struct task_struct*)ctx->args[1];
+	fork_data->meta.type = FORK_EVENT;
+
+	void* payload = populate_var_metadata(&fork_data->meta, child,
+					      BPF_CORE_READ(child, pid), fork_data->payload);
+	fork_data->parent_pid = BPF_CORE_READ(parent, pid);
+	fork_data->parent_exec_id = BPF_CORE_READ(parent, self_exec_id);
+	fork_data->parent_start_time = BPF_CORE_READ(parent, start_time);
+	bpf_stats_pre_submit_var_perf_event(&stats_ctx, &fork_data->meta);
+
+	unsigned long data_len = payload - (void*)fork_data;
+	data_len = data_len > sizeof(*fork_data) ? sizeof(*fork_data) : data_len;
+	bpf_perf_event_output(ctx, &events, BPF_F_CURRENT_CPU, fork_data, data_len);
+out:
+	bpf_stats_exit(&stats_ctx);
+	return 0;
+}
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/profiler1.c b/tools/testing/selftests/bpf/progs/profiler1.c
new file mode 100644
index 000000000..fb6b13522
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/profiler1.c
@@ -0,0 +1,5 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2020 Facebook */
+#define UNROLL
+#define INLINE __always_inline
+#include "profiler.inc.h"
diff --git a/tools/testing/selftests/bpf/progs/profiler2.c b/tools/testing/selftests/bpf/progs/profiler2.c
new file mode 100644
index 000000000..0f32a3cbf
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/profiler2.c
@@ -0,0 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2020 Facebook */
+#define barrier_var(var) /**/
+/* undef #define UNROLL */
+#define INLINE /**/
+#include "profiler.inc.h"
diff --git a/tools/testing/selftests/bpf/progs/profiler3.c b/tools/testing/selftests/bpf/progs/profiler3.c
new file mode 100644
index 000000000..6249fc31c
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/profiler3.c
@@ -0,0 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2020 Facebook */
+#define barrier_var(var) /**/
+#define UNROLL
+#define INLINE __noinline
+#include "profiler.inc.h"
diff --git a/tools/testing/selftests/bpf/progs/pyperf.h b/tools/testing/selftests/bpf/progs/pyperf.h
new file mode 100644
index 000000000..6c7b1fb26
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/pyperf.h
@@ -0,0 +1,351 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (c) 2019 Facebook
+#include <linux/sched.h>
+#include <linux/ptrace.h>
+#include <stdint.h>
+#include <stddef.h>
+#include <stdbool.h>
+#include <linux/bpf.h>
+#include <bpf/bpf_helpers.h>
+
+#define FUNCTION_NAME_LEN 64
+#define FILE_NAME_LEN 128
+#define TASK_COMM_LEN 16
+
+typedef struct {
+	int PyThreadState_frame;
+	int PyThreadState_thread;
+	int PyFrameObject_back;
+	int PyFrameObject_code;
+	int PyFrameObject_lineno;
+	int PyCodeObject_filename;
+	int PyCodeObject_name;
+	int String_data;
+	int String_size;
+} OffsetConfig;
+
+typedef struct {
+	uintptr_t current_state_addr;
+	uintptr_t tls_key_addr;
+	OffsetConfig offsets;
+	bool use_tls;
+} PidData;
+
+typedef struct {
+	uint32_t success;
+} Stats;
+
+typedef struct {
+	char name[FUNCTION_NAME_LEN];
+	char file[FILE_NAME_LEN];
+} Symbol;
+
+typedef struct {
+	uint32_t pid;
+	uint32_t tid;
+	char comm[TASK_COMM_LEN];
+	int32_t kernel_stack_id;
+	int32_t user_stack_id;
+	bool thread_current;
+	bool pthread_match;
+	bool stack_complete;
+	int16_t stack_len;
+	int32_t stack[STACK_MAX_LEN];
+
+	int has_meta;
+	int metadata;
+	char dummy_safeguard;
+} Event;
+
+
+typedef int pid_t;
+
+typedef struct {
+	void* f_back; // PyFrameObject.f_back, previous frame
+	void* f_code; // PyFrameObject.f_code, pointer to PyCodeObject
+	void* co_filename; // PyCodeObject.co_filename
+	void* co_name; // PyCodeObject.co_name
+} FrameData;
+
+#ifdef SUBPROGS
+__noinline
+#else
+__always_inline
+#endif
+static void *get_thread_state(void *tls_base, PidData *pidData)
+{
+	void* thread_state;
+	int key;
+
+	bpf_probe_read_user(&key, sizeof(key), (void*)(long)pidData->tls_key_addr);
+	bpf_probe_read_user(&thread_state, sizeof(thread_state),
+			    tls_base + 0x310 + key * 0x10 + 0x08);
+	return thread_state;
+}
+
+static __always_inline bool get_frame_data(void *frame_ptr, PidData *pidData,
+					   FrameData *frame, Symbol *symbol)
+{
+	// read data from PyFrameObject
+	bpf_probe_read_user(&frame->f_back,
+			    sizeof(frame->f_back),
+			    frame_ptr + pidData->offsets.PyFrameObject_back);
+	bpf_probe_read_user(&frame->f_code,
+			    sizeof(frame->f_code),
+			    frame_ptr + pidData->offsets.PyFrameObject_code);
+
+	// read data from PyCodeObject
+	if (!frame->f_code)
+		return false;
+	bpf_probe_read_user(&frame->co_filename,
+			    sizeof(frame->co_filename),
+			    frame->f_code + pidData->offsets.PyCodeObject_filename);
+	bpf_probe_read_user(&frame->co_name,
+			    sizeof(frame->co_name),
+			    frame->f_code + pidData->offsets.PyCodeObject_name);
+	// read actual names into symbol
+	if (frame->co_filename)
+		bpf_probe_read_user_str(&symbol->file,
+					sizeof(symbol->file),
+					frame->co_filename +
+					pidData->offsets.String_data);
+	if (frame->co_name)
+		bpf_probe_read_user_str(&symbol->name,
+					sizeof(symbol->name),
+					frame->co_name +
+					pidData->offsets.String_data);
+	return true;
+}
+
+struct {
+	__uint(type, BPF_MAP_TYPE_HASH);
+	__uint(max_entries, 1);
+	__type(key, int);
+	__type(value, PidData);
+} pidmap SEC(".maps");
+
+struct {
+	__uint(type, BPF_MAP_TYPE_HASH);
+	__uint(max_entries, 1);
+	__type(key, int);
+	__type(value, Event);
+} eventmap SEC(".maps");
+
+struct {
+	__uint(type, BPF_MAP_TYPE_HASH);
+	__uint(max_entries, 1);
+	__type(key, Symbol);
+	__type(value, int);
+} symbolmap SEC(".maps");
+
+struct {
+	__uint(type, BPF_MAP_TYPE_ARRAY);
+	__uint(max_entries, 1);
+	__type(key, int);
+	__type(value, Stats);
+} statsmap SEC(".maps");
+
+struct {
+	__uint(type, BPF_MAP_TYPE_PERF_EVENT_ARRAY);
+	__uint(max_entries, 32);
+	__uint(key_size, sizeof(int));
+	__uint(value_size, sizeof(int));
+} perfmap SEC(".maps");
+
+struct {
+	__uint(type, BPF_MAP_TYPE_STACK_TRACE);
+	__uint(max_entries, 1000);
+	__uint(key_size, sizeof(int));
+	__uint(value_size, sizeof(long long) * 127);
+} stackmap SEC(".maps");
+
+#ifdef USE_BPF_LOOP
+struct process_frame_ctx {
+	int cur_cpu;
+	int32_t *symbol_counter;
+	void *frame_ptr;
+	FrameData *frame;
+	PidData *pidData;
+	Symbol *sym;
+	Event *event;
+	bool done;
+};
+
+static int process_frame_callback(__u32 i, struct process_frame_ctx *ctx)
+{
+	int zero = 0;
+	void *frame_ptr = ctx->frame_ptr;
+	PidData *pidData = ctx->pidData;
+	FrameData *frame = ctx->frame;
+	int32_t *symbol_counter = ctx->symbol_counter;
+	int cur_cpu = ctx->cur_cpu;
+	Event *event = ctx->event;
+	Symbol *sym = ctx->sym;
+
+	if (frame_ptr && get_frame_data(frame_ptr, pidData, frame, sym)) {
+		int32_t new_symbol_id = *symbol_counter * 64 + cur_cpu;
+		int32_t *symbol_id = bpf_map_lookup_elem(&symbolmap, sym);
+
+		if (!symbol_id) {
+			bpf_map_update_elem(&symbolmap, sym, &zero, 0);
+			symbol_id = bpf_map_lookup_elem(&symbolmap, sym);
+			if (!symbol_id) {
+				ctx->done = true;
+				return 1;
+			}
+		}
+		if (*symbol_id == new_symbol_id)
+			(*symbol_counter)++;
+
+		barrier_var(i);
+		if (i >= STACK_MAX_LEN)
+			return 1;
+
+		event->stack[i] = *symbol_id;
+
+		event->stack_len = i + 1;
+		frame_ptr = frame->f_back;
+	}
+	return 0;
+}
+#endif /* USE_BPF_LOOP */
+
+#ifdef GLOBAL_FUNC
+__noinline
+#elif defined(SUBPROGS)
+static __noinline
+#else
+static __always_inline
+#endif
+int __on_event(struct bpf_raw_tracepoint_args *ctx)
+{
+	uint64_t pid_tgid = bpf_get_current_pid_tgid();
+	pid_t pid = (pid_t)(pid_tgid >> 32);
+	PidData* pidData = bpf_map_lookup_elem(&pidmap, &pid);
+	if (!pidData)
+		return 0;
+
+	int zero = 0;
+	Event* event = bpf_map_lookup_elem(&eventmap, &zero);
+	if (!event)
+		return 0;
+
+	event->pid = pid;
+
+	event->tid = (pid_t)pid_tgid;
+	bpf_get_current_comm(&event->comm, sizeof(event->comm));
+
+	event->user_stack_id = bpf_get_stackid(ctx, &stackmap, BPF_F_USER_STACK);
+	event->kernel_stack_id = bpf_get_stackid(ctx, &stackmap, 0);
+
+	void* thread_state_current = (void*)0;
+	bpf_probe_read_user(&thread_state_current,
+			    sizeof(thread_state_current),
+			    (void*)(long)pidData->current_state_addr);
+
+	struct task_struct* task = (struct task_struct*)bpf_get_current_task();
+	void* tls_base = (void*)task;
+
+	void* thread_state = pidData->use_tls ? get_thread_state(tls_base, pidData)
+		: thread_state_current;
+	event->thread_current = thread_state == thread_state_current;
+
+	if (pidData->use_tls) {
+		uint64_t pthread_created;
+		uint64_t pthread_self;
+		bpf_probe_read_user(&pthread_self, sizeof(pthread_self),
+				    tls_base + 0x10);
+
+		bpf_probe_read_user(&pthread_created,
+				    sizeof(pthread_created),
+				    thread_state +
+				    pidData->offsets.PyThreadState_thread);
+		event->pthread_match = pthread_created == pthread_self;
+	} else {
+		event->pthread_match = 1;
+	}
+
+	if (event->pthread_match || !pidData->use_tls) {
+		void* frame_ptr;
+		FrameData frame;
+		Symbol sym = {};
+		int cur_cpu = bpf_get_smp_processor_id();
+
+		bpf_probe_read_user(&frame_ptr,
+				    sizeof(frame_ptr),
+				    thread_state +
+				    pidData->offsets.PyThreadState_frame);
+
+		int32_t* symbol_counter = bpf_map_lookup_elem(&symbolmap, &sym);
+		if (symbol_counter == NULL)
+			return 0;
+#ifdef USE_BPF_LOOP
+	struct process_frame_ctx ctx = {
+		.cur_cpu = cur_cpu,
+		.symbol_counter = symbol_counter,
+		.frame_ptr = frame_ptr,
+		.frame = &frame,
+		.pidData = pidData,
+		.sym = &sym,
+		.event = event,
+	};
+
+	bpf_loop(STACK_MAX_LEN, process_frame_callback, &ctx, 0);
+	if (ctx.done)
+		return 0;
+#else
+#ifdef NO_UNROLL
+#pragma clang loop unroll(disable)
+#else
+#ifdef UNROLL_COUNT
+#pragma clang loop unroll_count(UNROLL_COUNT)
+#else
+#pragma clang loop unroll(full)
+#endif
+#endif /* NO_UNROLL */
+		/* Unwind python stack */
+		for (int i = 0; i < STACK_MAX_LEN; ++i) {
+			if (frame_ptr && get_frame_data(frame_ptr, pidData, &frame, &sym)) {
+				int32_t new_symbol_id = *symbol_counter * 64 + cur_cpu;
+				int32_t *symbol_id = bpf_map_lookup_elem(&symbolmap, &sym);
+				if (!symbol_id) {
+					bpf_map_update_elem(&symbolmap, &sym, &zero, 0);
+					symbol_id = bpf_map_lookup_elem(&symbolmap, &sym);
+					if (!symbol_id)
+						return 0;
+				}
+				if (*symbol_id == new_symbol_id)
+					(*symbol_counter)++;
+				event->stack[i] = *symbol_id;
+				event->stack_len = i + 1;
+				frame_ptr = frame.f_back;
+			}
+		}
+#endif /* USE_BPF_LOOP */
+		event->stack_complete = frame_ptr == NULL;
+	} else {
+		event->stack_complete = 1;
+	}
+
+	Stats* stats = bpf_map_lookup_elem(&statsmap, &zero);
+	if (stats)
+		stats->success++;
+
+	event->has_meta = 0;
+	bpf_perf_event_output(ctx, &perfmap, 0, event, offsetof(Event, metadata));
+	return 0;
+}
+
+SEC("raw_tracepoint/kfree_skb")
+int on_event(struct bpf_raw_tracepoint_args* ctx)
+{
+	int i, ret = 0;
+	ret |= __on_event(ctx);
+	ret |= __on_event(ctx);
+	ret |= __on_event(ctx);
+	ret |= __on_event(ctx);
+	ret |= __on_event(ctx);
+	return ret;
+}
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/pyperf100.c b/tools/testing/selftests/bpf/progs/pyperf100.c
new file mode 100644
index 000000000..29786325d
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/pyperf100.c
@@ -0,0 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (c) 2019 Facebook
+#define STACK_MAX_LEN 100
+#include "pyperf.h"
diff --git a/tools/testing/selftests/bpf/progs/pyperf180.c b/tools/testing/selftests/bpf/progs/pyperf180.c
new file mode 100644
index 000000000..c39f559d3
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/pyperf180.c
@@ -0,0 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (c) 2019 Facebook
+#define STACK_MAX_LEN 180
+#include "pyperf.h"
diff --git a/tools/testing/selftests/bpf/progs/pyperf50.c b/tools/testing/selftests/bpf/progs/pyperf50.c
new file mode 100644
index 000000000..ef7ce340a
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/pyperf50.c
@@ -0,0 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (c) 2019 Facebook
+#define STACK_MAX_LEN 50
+#include "pyperf.h"
diff --git a/tools/testing/selftests/bpf/progs/pyperf600.c b/tools/testing/selftests/bpf/progs/pyperf600.c
new file mode 100644
index 000000000..ce1aa5189
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/pyperf600.c
@@ -0,0 +1,12 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (c) 2019 Facebook
+#define STACK_MAX_LEN 600
+/* Full unroll of 600 iterations will have total
+ * program size close to 298k insns and this may
+ * cause BPF_JMP insn out of 16-bit integer range.
+ * So limit the unroll size to 150 so the
+ * total program size is around 80k insns but
+ * the loop will still execute 600 times.
+ */
+#define UNROLL_COUNT 150
+#include "pyperf.h"
diff --git a/tools/testing/selftests/bpf/progs/pyperf600_bpf_loop.c b/tools/testing/selftests/bpf/progs/pyperf600_bpf_loop.c
new file mode 100644
index 000000000..5c2059dc0
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/pyperf600_bpf_loop.c
@@ -0,0 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2021 Facebook */
+
+#define STACK_MAX_LEN 600
+#define USE_BPF_LOOP
+#include "pyperf.h"
diff --git a/tools/testing/selftests/bpf/progs/pyperf600_nounroll.c b/tools/testing/selftests/bpf/progs/pyperf600_nounroll.c
new file mode 100644
index 000000000..6beff7502
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/pyperf600_nounroll.c
@@ -0,0 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (c) 2019 Facebook
+#define STACK_MAX_LEN 600
+#define NO_UNROLL
+/* clang will not unroll at all.
+ * Total program size is around 2k insns
+ */
+#include "pyperf.h"
diff --git a/tools/testing/selftests/bpf/progs/pyperf_global.c b/tools/testing/selftests/bpf/progs/pyperf_global.c
new file mode 100644
index 000000000..079e78a75
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/pyperf_global.c
@@ -0,0 +1,5 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2020 Facebook */
+#define STACK_MAX_LEN 50
+#define GLOBAL_FUNC
+#include "pyperf.h"
diff --git a/tools/testing/selftests/bpf/progs/pyperf_subprogs.c b/tools/testing/selftests/bpf/progs/pyperf_subprogs.c
new file mode 100644
index 000000000..60e27a7f0
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/pyperf_subprogs.c
@@ -0,0 +1,5 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2020 Facebook */
+#define STACK_MAX_LEN 50
+#define SUBPROGS
+#include "pyperf.h"
diff --git a/tools/testing/selftests/bpf/progs/read_bpf_task_storage_busy.c b/tools/testing/selftests/bpf/progs/read_bpf_task_storage_busy.c
new file mode 100644
index 000000000..a47bb0120
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/read_bpf_task_storage_busy.c
@@ -0,0 +1,39 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (C) 2022. Huawei Technologies Co., Ltd */
+#include "vmlinux.h"
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_tracing.h>
+
+extern bool CONFIG_PREEMPT __kconfig __weak;
+extern const int bpf_task_storage_busy __ksym;
+
+char _license[] SEC("license") = "GPL";
+
+int pid = 0;
+int busy = 0;
+
+struct {
+	__uint(type, BPF_MAP_TYPE_TASK_STORAGE);
+	__uint(map_flags, BPF_F_NO_PREALLOC);
+	__type(key, int);
+	__type(value, long);
+} task SEC(".maps");
+
+SEC("raw_tp/sys_enter")
+int BPF_PROG(read_bpf_task_storage_busy)
+{
+	int *value;
+	int key;
+
+	if (!CONFIG_PREEMPT)
+		return 0;
+
+	if (bpf_get_current_pid_tgid() >> 32 != pid)
+		return 0;
+
+	value = bpf_this_cpu_ptr(&bpf_task_storage_busy);
+	if (value)
+		busy = *value;
+
+	return 0;
+}
diff --git a/tools/testing/selftests/bpf/progs/recursion.c b/tools/testing/selftests/bpf/progs/recursion.c
new file mode 100644
index 000000000..3c2423bb1
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/recursion.c
@@ -0,0 +1,43 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2021 Facebook */
+
+#include "vmlinux.h"
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_tracing.h>
+
+char _license[] SEC("license") = "GPL";
+
+struct {
+	__uint(type, BPF_MAP_TYPE_HASH);
+	__uint(max_entries, 1);
+	__type(key, int);
+	__type(value, long);
+} hash1 SEC(".maps");
+
+struct {
+	__uint(type, BPF_MAP_TYPE_HASH);
+	__uint(max_entries, 1);
+	__type(key, int);
+	__type(value, long);
+} hash2 SEC(".maps");
+
+int pass1 = 0;
+int pass2 = 0;
+
+SEC("fentry/htab_map_delete_elem")
+int BPF_PROG(on_delete, struct bpf_map *map)
+{
+	int key = 0;
+
+	if (map == (void *)&hash1) {
+		pass1++;
+		return 0;
+	}
+	if (map == (void *)&hash2) {
+		pass2++;
+		bpf_map_delete_elem(&hash2, &key);
+		return 0;
+	}
+
+	return 0;
+}
diff --git a/tools/testing/selftests/bpf/progs/recvmsg4_prog.c b/tools/testing/selftests/bpf/progs/recvmsg4_prog.c
new file mode 100644
index 000000000..3d1ae8b34
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/recvmsg4_prog.c
@@ -0,0 +1,42 @@
+// SPDX-License-Identifier: GPL-2.0
+
+#include <linux/stddef.h>
+#include <linux/bpf.h>
+#include <linux/in.h>
+#include <sys/socket.h>
+
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_endian.h>
+
+#include <bpf_sockopt_helpers.h>
+
+#define SERV4_IP		0xc0a801feU /* 192.168.1.254 */
+#define SERV4_PORT		4040
+
+SEC("cgroup/recvmsg4")
+int recvmsg4_prog(struct bpf_sock_addr *ctx)
+{
+	struct bpf_sock *sk;
+	__u32 user_ip4;
+	__u16 user_port;
+
+	sk = ctx->sk;
+	if (!sk)
+		return 1;
+
+	if (sk->family != AF_INET)
+		return 1;
+
+	if (ctx->type != SOCK_STREAM && ctx->type != SOCK_DGRAM)
+		return 1;
+
+	if (!get_set_sk_priority(ctx))
+		return 1;
+
+	ctx->user_ip4 = bpf_htonl(SERV4_IP);
+	ctx->user_port = bpf_htons(SERV4_PORT);
+
+	return 1;
+}
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/recvmsg6_prog.c b/tools/testing/selftests/bpf/progs/recvmsg6_prog.c
new file mode 100644
index 000000000..27dfb21b2
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/recvmsg6_prog.c
@@ -0,0 +1,48 @@
+// SPDX-License-Identifier: GPL-2.0
+
+#include <linux/stddef.h>
+#include <linux/bpf.h>
+#include <linux/in6.h>
+#include <sys/socket.h>
+
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_endian.h>
+
+#include <bpf_sockopt_helpers.h>
+
+#define SERV6_IP_0		0xfaceb00c /* face:b00c:1234:5678::abcd */
+#define SERV6_IP_1		0x12345678
+#define SERV6_IP_2		0x00000000
+#define SERV6_IP_3		0x0000abcd
+#define SERV6_PORT		6060
+
+SEC("cgroup/recvmsg6")
+int recvmsg6_prog(struct bpf_sock_addr *ctx)
+{
+	struct bpf_sock *sk;
+	__u32 user_ip4;
+	__u16 user_port;
+
+	sk = ctx->sk;
+	if (!sk)
+		return 1;
+
+	if (sk->family != AF_INET6)
+		return 1;
+
+	if (ctx->type != SOCK_STREAM && ctx->type != SOCK_DGRAM)
+		return 1;
+
+	if (!get_set_sk_priority(ctx))
+		return 1;
+
+	ctx->user_ip6[0] = bpf_htonl(SERV6_IP_0);
+	ctx->user_ip6[1] = bpf_htonl(SERV6_IP_1);
+	ctx->user_ip6[2] = bpf_htonl(SERV6_IP_2);
+	ctx->user_ip6[3] = bpf_htonl(SERV6_IP_3);
+	ctx->user_port = bpf_htons(SERV6_PORT);
+
+	return 1;
+}
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/ringbuf_bench.c b/tools/testing/selftests/bpf/progs/ringbuf_bench.c
new file mode 100644
index 000000000..6a468496f
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/ringbuf_bench.c
@@ -0,0 +1,61 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (c) 2020 Facebook
+
+#include <linux/bpf.h>
+#include <stdint.h>
+#include <bpf/bpf_helpers.h>
+#include "bpf_misc.h"
+
+char _license[] SEC("license") = "GPL";
+
+struct {
+	__uint(type, BPF_MAP_TYPE_RINGBUF);
+} ringbuf SEC(".maps");
+
+const volatile int batch_cnt = 0;
+const volatile long use_output = 0;
+
+long sample_val = 42;
+long dropped __attribute__((aligned(128))) = 0;
+
+const volatile long wakeup_data_size = 0;
+
+static __always_inline long get_flags()
+{
+	long sz;
+
+	if (!wakeup_data_size)
+		return 0;
+
+	sz = bpf_ringbuf_query(&ringbuf, BPF_RB_AVAIL_DATA);
+	return sz >= wakeup_data_size ? BPF_RB_FORCE_WAKEUP : BPF_RB_NO_WAKEUP;
+}
+
+SEC("fentry/" SYS_PREFIX "sys_getpgid")
+int bench_ringbuf(void *ctx)
+{
+	long *sample, flags;
+	int i;
+
+	if (!use_output) {
+		for (i = 0; i < batch_cnt; i++) {
+			sample = bpf_ringbuf_reserve(&ringbuf,
+					             sizeof(sample_val), 0);
+			if (!sample) {
+				__sync_add_and_fetch(&dropped, 1);
+			} else {
+				*sample = sample_val;
+				flags = get_flags();
+				bpf_ringbuf_submit(sample, flags);
+			}
+		}
+	} else {
+		for (i = 0; i < batch_cnt; i++) {
+			flags = get_flags();
+			if (bpf_ringbuf_output(&ringbuf, &sample_val,
+					       sizeof(sample_val), flags))
+				__sync_add_and_fetch(&dropped, 1);
+		}
+	}
+	return 0;
+}
diff --git a/tools/testing/selftests/bpf/progs/sample_map_ret0.c b/tools/testing/selftests/bpf/progs/sample_map_ret0.c
new file mode 100644
index 000000000..495990d35
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/sample_map_ret0.c
@@ -0,0 +1,34 @@
+/* SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) */
+#include <linux/bpf.h>
+#include <bpf/bpf_helpers.h>
+
+struct {
+	__uint(type, BPF_MAP_TYPE_HASH);
+	__type(key, __u32);
+	__type(value, long);
+	__uint(max_entries, 2);
+} htab SEC(".maps");
+
+struct {
+	__uint(type, BPF_MAP_TYPE_ARRAY);
+	__type(key, __u32);
+	__type(value, long);
+	__uint(max_entries, 2);
+} array SEC(".maps");
+
+/* Sample program which should always load for testing control paths. */
+SEC(".text") int func()
+{
+	__u64 key64 = 0;
+	__u32 key = 0;
+	long *value;
+
+	value = bpf_map_lookup_elem(&htab, &key);
+	if (!value)
+		return 1;
+	value = bpf_map_lookup_elem(&array, &key64);
+	if (!value)
+		return 1;
+
+	return 0;
+}
diff --git a/tools/testing/selftests/bpf/progs/sample_ret0.c b/tools/testing/selftests/bpf/progs/sample_ret0.c
new file mode 100644
index 000000000..fec99750d
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/sample_ret0.c
@@ -0,0 +1,7 @@
+/* SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) */
+
+/* Sample program which should always load for testing control paths. */
+int func()
+{
+	return 0;
+}
diff --git a/tools/testing/selftests/bpf/progs/sendmsg4_prog.c b/tools/testing/selftests/bpf/progs/sendmsg4_prog.c
new file mode 100644
index 000000000..ea75a44cb
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/sendmsg4_prog.c
@@ -0,0 +1,54 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (c) 2018 Facebook
+
+#include <linux/stddef.h>
+#include <linux/bpf.h>
+#include <sys/socket.h>
+
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_endian.h>
+
+#include <bpf_sockopt_helpers.h>
+
+#define SRC1_IP4		0xAC100001U /* 172.16.0.1 */
+#define SRC2_IP4		0x00000000U
+#define SRC_REWRITE_IP4		0x7f000004U
+#define DST_IP4			0xC0A801FEU /* 192.168.1.254 */
+#define DST_REWRITE_IP4		0x7f000001U
+#define DST_PORT		4040
+#define DST_REWRITE_PORT4	4444
+
+SEC("cgroup/sendmsg4")
+int sendmsg_v4_prog(struct bpf_sock_addr *ctx)
+{
+	int prio;
+
+	if (ctx->type != SOCK_DGRAM)
+		return 0;
+
+	if (!get_set_sk_priority(ctx))
+		return 0;
+
+	/* Rewrite source. */
+	if (ctx->msg_src_ip4 == bpf_htonl(SRC1_IP4) ||
+	    ctx->msg_src_ip4 == bpf_htonl(SRC2_IP4)) {
+		ctx->msg_src_ip4 = bpf_htonl(SRC_REWRITE_IP4);
+	} else {
+		/* Unexpected source. Reject sendmsg. */
+		return 0;
+	}
+
+	/* Rewrite destination. */
+	if ((ctx->user_ip4 >> 24) == (bpf_htonl(DST_IP4) >> 24) &&
+	     ctx->user_port == bpf_htons(DST_PORT)) {
+		ctx->user_ip4 = bpf_htonl(DST_REWRITE_IP4);
+		ctx->user_port = bpf_htons(DST_REWRITE_PORT4);
+	} else {
+		/* Unexpected source. Reject sendmsg. */
+		return 0;
+	}
+
+	return 1;
+}
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/sendmsg6_prog.c b/tools/testing/selftests/bpf/progs/sendmsg6_prog.c
new file mode 100644
index 000000000..bf9b46b80
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/sendmsg6_prog.c
@@ -0,0 +1,62 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (c) 2018 Facebook
+
+#include <linux/stddef.h>
+#include <linux/bpf.h>
+#include <sys/socket.h>
+
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_endian.h>
+
+#include <bpf_sockopt_helpers.h>
+
+#define SRC_REWRITE_IP6_0	0
+#define SRC_REWRITE_IP6_1	0
+#define SRC_REWRITE_IP6_2	0
+#define SRC_REWRITE_IP6_3	6
+
+#define DST_REWRITE_IP6_0	0
+#define DST_REWRITE_IP6_1	0
+#define DST_REWRITE_IP6_2	0
+#define DST_REWRITE_IP6_3	1
+
+#define DST_REWRITE_PORT6	6666
+
+SEC("cgroup/sendmsg6")
+int sendmsg_v6_prog(struct bpf_sock_addr *ctx)
+{
+	if (ctx->type != SOCK_DGRAM)
+		return 0;
+
+	if (!get_set_sk_priority(ctx))
+		return 0;
+
+	/* Rewrite source. */
+	if (ctx->msg_src_ip6[3] == bpf_htonl(1) ||
+	    ctx->msg_src_ip6[3] == bpf_htonl(0)) {
+		ctx->msg_src_ip6[0] = bpf_htonl(SRC_REWRITE_IP6_0);
+		ctx->msg_src_ip6[1] = bpf_htonl(SRC_REWRITE_IP6_1);
+		ctx->msg_src_ip6[2] = bpf_htonl(SRC_REWRITE_IP6_2);
+		ctx->msg_src_ip6[3] = bpf_htonl(SRC_REWRITE_IP6_3);
+	} else {
+		/* Unexpected source. Reject sendmsg. */
+		return 0;
+	}
+
+	/* Rewrite destination. */
+	if (ctx->user_ip6[0] == bpf_htonl(0xFACEB00C)) {
+		ctx->user_ip6[0] = bpf_htonl(DST_REWRITE_IP6_0);
+		ctx->user_ip6[1] = bpf_htonl(DST_REWRITE_IP6_1);
+		ctx->user_ip6[2] = bpf_htonl(DST_REWRITE_IP6_2);
+		ctx->user_ip6[3] = bpf_htonl(DST_REWRITE_IP6_3);
+
+		ctx->user_port = bpf_htons(DST_REWRITE_PORT6);
+	} else {
+		/* Unexpected destination. Reject sendmsg. */
+		return 0;
+	}
+
+	return 1;
+}
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/setget_sockopt.c b/tools/testing/selftests/bpf/progs/setget_sockopt.c
new file mode 100644
index 000000000..9523333b8
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/setget_sockopt.c
@@ -0,0 +1,395 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) Meta Platforms, Inc. and affiliates. */
+
+#include "vmlinux.h"
+#include "bpf_tracing_net.h"
+#include <bpf/bpf_core_read.h>
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_tracing.h>
+
+#ifndef ARRAY_SIZE
+#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
+#endif
+
+extern unsigned long CONFIG_HZ __kconfig;
+
+const volatile char veth[IFNAMSIZ];
+const volatile int veth_ifindex;
+
+int nr_listen;
+int nr_passive;
+int nr_active;
+int nr_connect;
+int nr_binddev;
+int nr_socket_post_create;
+
+struct sockopt_test {
+	int opt;
+	int new;
+	int restore;
+	int expected;
+	int tcp_expected;
+	unsigned int flip:1;
+};
+
+static const char not_exist_cc[] = "not_exist";
+static const char cubic_cc[] = "cubic";
+static const char reno_cc[] = "reno";
+
+static const struct sockopt_test sol_socket_tests[] = {
+	{ .opt = SO_REUSEADDR, .flip = 1, },
+	{ .opt = SO_SNDBUF, .new = 8123, .expected = 8123 * 2, },
+	{ .opt = SO_RCVBUF, .new = 8123, .expected = 8123 * 2, },
+	{ .opt = SO_KEEPALIVE, .flip = 1, },
+	{ .opt = SO_PRIORITY, .new = 0xeb9f, .expected = 0xeb9f, },
+	{ .opt = SO_REUSEPORT, .flip = 1, },
+	{ .opt = SO_RCVLOWAT, .new = 8123, .expected = 8123, },
+	{ .opt = SO_MARK, .new = 0xeb9f, .expected = 0xeb9f, },
+	{ .opt = SO_MAX_PACING_RATE, .new = 0xeb9f, .expected = 0xeb9f, },
+	{ .opt = SO_TXREHASH, .flip = 1, },
+	{ .opt = 0, },
+};
+
+static const struct sockopt_test sol_tcp_tests[] = {
+	{ .opt = TCP_NODELAY, .flip = 1, },
+	{ .opt = TCP_KEEPIDLE, .new = 123, .expected = 123, .restore = 321, },
+	{ .opt = TCP_KEEPINTVL, .new = 123, .expected = 123, .restore = 321, },
+	{ .opt = TCP_KEEPCNT, .new = 123, .expected = 123, .restore = 124, },
+	{ .opt = TCP_SYNCNT, .new = 123, .expected = 123, .restore = 124, },
+	{ .opt = TCP_WINDOW_CLAMP, .new = 8123, .expected = 8123, .restore = 8124, },
+	{ .opt = TCP_CONGESTION, },
+	{ .opt = TCP_THIN_LINEAR_TIMEOUTS, .flip = 1, },
+	{ .opt = TCP_USER_TIMEOUT, .new = 123400, .expected = 123400, },
+	{ .opt = TCP_NOTSENT_LOWAT, .new = 1314, .expected = 1314, },
+	{ .opt = 0, },
+};
+
+static const struct sockopt_test sol_ip_tests[] = {
+	{ .opt = IP_TOS, .new = 0xe1, .expected = 0xe1, .tcp_expected = 0xe0, },
+	{ .opt = 0, },
+};
+
+static const struct sockopt_test sol_ipv6_tests[] = {
+	{ .opt = IPV6_TCLASS, .new = 0xe1, .expected = 0xe1, .tcp_expected = 0xe0, },
+	{ .opt = IPV6_AUTOFLOWLABEL, .flip = 1, },
+	{ .opt = 0, },
+};
+
+struct loop_ctx {
+	void *ctx;
+	struct sock *sk;
+};
+
+static int bpf_test_sockopt_flip(void *ctx, struct sock *sk,
+				 const struct sockopt_test *t,
+				 int level)
+{
+	int old, tmp, new, opt = t->opt;
+
+	opt = t->opt;
+
+	if (bpf_getsockopt(ctx, level, opt, &old, sizeof(old)))
+		return 1;
+	/* kernel initialized txrehash to 255 */
+	if (level == SOL_SOCKET && opt == SO_TXREHASH && old != 0 && old != 1)
+		old = 1;
+
+	new = !old;
+	if (bpf_setsockopt(ctx, level, opt, &new, sizeof(new)))
+		return 1;
+	if (bpf_getsockopt(ctx, level, opt, &tmp, sizeof(tmp)) ||
+	    tmp != new)
+		return 1;
+
+	if (bpf_setsockopt(ctx, level, opt, &old, sizeof(old)))
+		return 1;
+
+	return 0;
+}
+
+static int bpf_test_sockopt_int(void *ctx, struct sock *sk,
+				const struct sockopt_test *t,
+				int level)
+{
+	int old, tmp, new, expected, opt;
+
+	opt = t->opt;
+	new = t->new;
+	if (sk->sk_type == SOCK_STREAM && t->tcp_expected)
+		expected = t->tcp_expected;
+	else
+		expected = t->expected;
+
+	if (bpf_getsockopt(ctx, level, opt, &old, sizeof(old)) ||
+	    old == new)
+		return 1;
+
+	if (bpf_setsockopt(ctx, level, opt, &new, sizeof(new)))
+		return 1;
+	if (bpf_getsockopt(ctx, level, opt, &tmp, sizeof(tmp)) ||
+	    tmp != expected)
+		return 1;
+
+	if (t->restore)
+		old = t->restore;
+	if (bpf_setsockopt(ctx, level, opt, &old, sizeof(old)))
+		return 1;
+
+	return 0;
+}
+
+static int bpf_test_socket_sockopt(__u32 i, struct loop_ctx *lc)
+{
+	const struct sockopt_test *t;
+
+	if (i >= ARRAY_SIZE(sol_socket_tests))
+		return 1;
+
+	t = &sol_socket_tests[i];
+	if (!t->opt)
+		return 1;
+
+	if (t->flip)
+		return bpf_test_sockopt_flip(lc->ctx, lc->sk, t, SOL_SOCKET);
+
+	return bpf_test_sockopt_int(lc->ctx, lc->sk, t, SOL_SOCKET);
+}
+
+static int bpf_test_ip_sockopt(__u32 i, struct loop_ctx *lc)
+{
+	const struct sockopt_test *t;
+
+	if (i >= ARRAY_SIZE(sol_ip_tests))
+		return 1;
+
+	t = &sol_ip_tests[i];
+	if (!t->opt)
+		return 1;
+
+	if (t->flip)
+		return bpf_test_sockopt_flip(lc->ctx, lc->sk, t, IPPROTO_IP);
+
+	return bpf_test_sockopt_int(lc->ctx, lc->sk, t, IPPROTO_IP);
+}
+
+static int bpf_test_ipv6_sockopt(__u32 i, struct loop_ctx *lc)
+{
+	const struct sockopt_test *t;
+
+	if (i >= ARRAY_SIZE(sol_ipv6_tests))
+		return 1;
+
+	t = &sol_ipv6_tests[i];
+	if (!t->opt)
+		return 1;
+
+	if (t->flip)
+		return bpf_test_sockopt_flip(lc->ctx, lc->sk, t, IPPROTO_IPV6);
+
+	return bpf_test_sockopt_int(lc->ctx, lc->sk, t, IPPROTO_IPV6);
+}
+
+static int bpf_test_tcp_sockopt(__u32 i, struct loop_ctx *lc)
+{
+	const struct sockopt_test *t;
+	struct sock *sk;
+	void *ctx;
+
+	if (i >= ARRAY_SIZE(sol_tcp_tests))
+		return 1;
+
+	t = &sol_tcp_tests[i];
+	if (!t->opt)
+		return 1;
+
+	ctx = lc->ctx;
+	sk = lc->sk;
+
+	if (t->opt == TCP_CONGESTION) {
+		char old_cc[16], tmp_cc[16];
+		const char *new_cc;
+		int new_cc_len;
+
+		if (!bpf_setsockopt(ctx, IPPROTO_TCP, TCP_CONGESTION,
+				    (void *)not_exist_cc, sizeof(not_exist_cc)))
+			return 1;
+		if (bpf_getsockopt(ctx, IPPROTO_TCP, TCP_CONGESTION, old_cc, sizeof(old_cc)))
+			return 1;
+		if (!bpf_strncmp(old_cc, sizeof(old_cc), cubic_cc)) {
+			new_cc = reno_cc;
+			new_cc_len = sizeof(reno_cc);
+		} else {
+			new_cc = cubic_cc;
+			new_cc_len = sizeof(cubic_cc);
+		}
+		if (bpf_setsockopt(ctx, IPPROTO_TCP, TCP_CONGESTION, (void *)new_cc,
+				   new_cc_len))
+			return 1;
+		if (bpf_getsockopt(ctx, IPPROTO_TCP, TCP_CONGESTION, tmp_cc, sizeof(tmp_cc)))
+			return 1;
+		if (bpf_strncmp(tmp_cc, sizeof(tmp_cc), new_cc))
+			return 1;
+		if (bpf_setsockopt(ctx, IPPROTO_TCP, TCP_CONGESTION, old_cc, sizeof(old_cc)))
+			return 1;
+		return 0;
+	}
+
+	if (t->flip)
+		return bpf_test_sockopt_flip(ctx, sk, t, IPPROTO_TCP);
+
+	return bpf_test_sockopt_int(ctx, sk, t, IPPROTO_TCP);
+}
+
+static int bpf_test_sockopt(void *ctx, struct sock *sk)
+{
+	struct loop_ctx lc = { .ctx = ctx, .sk = sk, };
+	__u16 family, proto;
+	int n;
+
+	family = sk->sk_family;
+	proto = sk->sk_protocol;
+
+	n = bpf_loop(ARRAY_SIZE(sol_socket_tests), bpf_test_socket_sockopt, &lc, 0);
+	if (n != ARRAY_SIZE(sol_socket_tests))
+		return -1;
+
+	if (proto == IPPROTO_TCP) {
+		n = bpf_loop(ARRAY_SIZE(sol_tcp_tests), bpf_test_tcp_sockopt, &lc, 0);
+		if (n != ARRAY_SIZE(sol_tcp_tests))
+			return -1;
+	}
+
+	if (family == AF_INET) {
+		n = bpf_loop(ARRAY_SIZE(sol_ip_tests), bpf_test_ip_sockopt, &lc, 0);
+		if (n != ARRAY_SIZE(sol_ip_tests))
+			return -1;
+	} else {
+		n = bpf_loop(ARRAY_SIZE(sol_ipv6_tests), bpf_test_ipv6_sockopt, &lc, 0);
+		if (n != ARRAY_SIZE(sol_ipv6_tests))
+			return -1;
+	}
+
+	return 0;
+}
+
+static int binddev_test(void *ctx)
+{
+	const char empty_ifname[] = "";
+	int ifindex, zero = 0;
+
+	if (bpf_setsockopt(ctx, SOL_SOCKET, SO_BINDTODEVICE,
+			   (void *)veth, sizeof(veth)))
+		return -1;
+	if (bpf_getsockopt(ctx, SOL_SOCKET, SO_BINDTOIFINDEX,
+			   &ifindex, sizeof(int)) ||
+	    ifindex != veth_ifindex)
+		return -1;
+
+	if (bpf_setsockopt(ctx, SOL_SOCKET, SO_BINDTODEVICE,
+			   (void *)empty_ifname, sizeof(empty_ifname)))
+		return -1;
+	if (bpf_getsockopt(ctx, SOL_SOCKET, SO_BINDTOIFINDEX,
+			   &ifindex, sizeof(int)) ||
+	    ifindex != 0)
+		return -1;
+
+	if (bpf_setsockopt(ctx, SOL_SOCKET, SO_BINDTOIFINDEX,
+			   (void *)&veth_ifindex, sizeof(int)))
+		return -1;
+	if (bpf_getsockopt(ctx, SOL_SOCKET, SO_BINDTOIFINDEX,
+			   &ifindex, sizeof(int)) ||
+	    ifindex != veth_ifindex)
+		return -1;
+
+	if (bpf_setsockopt(ctx, SOL_SOCKET, SO_BINDTOIFINDEX,
+			   &zero, sizeof(int)))
+		return -1;
+	if (bpf_getsockopt(ctx, SOL_SOCKET, SO_BINDTOIFINDEX,
+			   &ifindex, sizeof(int)) ||
+	    ifindex != 0)
+		return -1;
+
+	return 0;
+}
+
+static int test_tcp_maxseg(void *ctx, struct sock *sk)
+{
+	int val = 1314, tmp;
+
+	if (sk->sk_state != TCP_ESTABLISHED)
+		return bpf_setsockopt(ctx, IPPROTO_TCP, TCP_MAXSEG,
+				      &val, sizeof(val));
+
+	if (bpf_getsockopt(ctx, IPPROTO_TCP, TCP_MAXSEG, &tmp, sizeof(tmp)) ||
+	    tmp > val)
+		return -1;
+
+	return 0;
+}
+
+static int test_tcp_saved_syn(void *ctx, struct sock *sk)
+{
+	__u8 saved_syn[20];
+	int one = 1;
+
+	if (sk->sk_state == TCP_LISTEN)
+		return bpf_setsockopt(ctx, IPPROTO_TCP, TCP_SAVE_SYN,
+				      &one, sizeof(one));
+
+	return bpf_getsockopt(ctx, IPPROTO_TCP, TCP_SAVED_SYN,
+			      saved_syn, sizeof(saved_syn));
+}
+
+SEC("lsm_cgroup/socket_post_create")
+int BPF_PROG(socket_post_create, struct socket *sock, int family,
+	     int type, int protocol, int kern)
+{
+	struct sock *sk = sock->sk;
+
+	if (!sk)
+		return 1;
+
+	nr_socket_post_create += !bpf_test_sockopt(sk, sk);
+	nr_binddev += !binddev_test(sk);
+
+	return 1;
+}
+
+SEC("sockops")
+int skops_sockopt(struct bpf_sock_ops *skops)
+{
+	struct bpf_sock *bpf_sk = skops->sk;
+	struct sock *sk;
+
+	if (!bpf_sk)
+		return 1;
+
+	sk = (struct sock *)bpf_skc_to_tcp_sock(bpf_sk);
+	if (!sk)
+		return 1;
+
+	switch (skops->op) {
+	case BPF_SOCK_OPS_TCP_LISTEN_CB:
+		nr_listen += !(bpf_test_sockopt(skops, sk) ||
+			       test_tcp_maxseg(skops, sk) ||
+			       test_tcp_saved_syn(skops, sk));
+		break;
+	case BPF_SOCK_OPS_TCP_CONNECT_CB:
+		nr_connect += !(bpf_test_sockopt(skops, sk) ||
+				test_tcp_maxseg(skops, sk));
+		break;
+	case BPF_SOCK_OPS_ACTIVE_ESTABLISHED_CB:
+		nr_active += !(bpf_test_sockopt(skops, sk) ||
+			       test_tcp_maxseg(skops, sk));
+		break;
+	case BPF_SOCK_OPS_PASSIVE_ESTABLISHED_CB:
+		nr_passive += !(bpf_test_sockopt(skops, sk) ||
+				test_tcp_maxseg(skops, sk) ||
+				test_tcp_saved_syn(skops, sk));
+		break;
+	}
+
+	return 1;
+}
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/skb_load_bytes.c b/tools/testing/selftests/bpf/progs/skb_load_bytes.c
new file mode 100644
index 000000000..e4252fd97
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/skb_load_bytes.c
@@ -0,0 +1,19 @@
+// SPDX-License-Identifier: GPL-2.0
+
+#include <linux/bpf.h>
+#include <bpf/bpf_helpers.h>
+
+char _license[] SEC("license") = "GPL";
+
+__u32 load_offset = 0;
+int test_result = 0;
+
+SEC("tc")
+int skb_process(struct __sk_buff *skb)
+{
+	char buf[16];
+
+	test_result = bpf_skb_load_bytes(skb, load_offset, buf, 10);
+
+	return 0;
+}
diff --git a/tools/testing/selftests/bpf/progs/skb_pkt_end.c b/tools/testing/selftests/bpf/progs/skb_pkt_end.c
new file mode 100644
index 000000000..992b78610
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/skb_pkt_end.c
@@ -0,0 +1,53 @@
+// SPDX-License-Identifier: GPL-2.0
+#define BPF_NO_PRESERVE_ACCESS_INDEX
+#include <vmlinux.h>
+#include <bpf/bpf_core_read.h>
+#include <bpf/bpf_helpers.h>
+
+#define INLINE __always_inline
+
+#define skb_shorter(skb, len) ((void *)(long)(skb)->data + (len) > (void *)(long)skb->data_end)
+
+#define ETH_IPV4_TCP_SIZE (14 + sizeof(struct iphdr) + sizeof(struct tcphdr))
+
+static INLINE struct iphdr *get_iphdr(struct __sk_buff *skb)
+{
+	struct iphdr *ip = NULL;
+	struct ethhdr *eth;
+
+	if (skb_shorter(skb, ETH_IPV4_TCP_SIZE))
+		goto out;
+
+	eth = (void *)(long)skb->data;
+	ip = (void *)(eth + 1);
+
+out:
+	return ip;
+}
+
+SEC("tc")
+int main_prog(struct __sk_buff *skb)
+{
+	struct iphdr *ip = NULL;
+	struct tcphdr *tcp;
+	__u8 proto = 0;
+
+	if (!(ip = get_iphdr(skb)))
+		goto out;
+
+	proto = ip->protocol;
+
+	if (proto != IPPROTO_TCP)
+		goto out;
+
+	tcp = (void*)(ip + 1);
+	if (tcp->dest != 0)
+		goto out;
+	if (!tcp)
+		goto out;
+
+	return tcp->urg_ptr;
+out:
+	return -1;
+}
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/socket_cookie_prog.c b/tools/testing/selftests/bpf/progs/socket_cookie_prog.c
new file mode 100644
index 000000000..35630a5aa
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/socket_cookie_prog.c
@@ -0,0 +1,99 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (c) 2018 Facebook
+
+#include "vmlinux.h"
+
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_endian.h>
+#include <bpf/bpf_tracing.h>
+
+#define AF_INET6 10
+
+struct socket_cookie {
+	__u64 cookie_key;
+	__u32 cookie_value;
+};
+
+struct {
+	__uint(type, BPF_MAP_TYPE_SK_STORAGE);
+	__uint(map_flags, BPF_F_NO_PREALLOC);
+	__type(key, int);
+	__type(value, struct socket_cookie);
+} socket_cookies SEC(".maps");
+
+/*
+ * These three programs get executed in a row on connect() syscalls. The
+ * userspace side of the test creates a client socket, issues a connect() on it
+ * and then checks that the local storage associated with this socket has:
+ * cookie_value == local_port << 8 | 0xFF
+ * The different parts of this cookie_value are appended by those hooks if they
+ * all agree on the output of bpf_get_socket_cookie().
+ */
+SEC("cgroup/connect6")
+int set_cookie(struct bpf_sock_addr *ctx)
+{
+	struct socket_cookie *p;
+
+	if (ctx->family != AF_INET6 || ctx->user_family != AF_INET6)
+		return 1;
+
+	p = bpf_sk_storage_get(&socket_cookies, ctx->sk, 0,
+			       BPF_SK_STORAGE_GET_F_CREATE);
+	if (!p)
+		return 1;
+
+	p->cookie_value = 0xF;
+	p->cookie_key = bpf_get_socket_cookie(ctx);
+
+	return 1;
+}
+
+SEC("sockops")
+int update_cookie_sockops(struct bpf_sock_ops *ctx)
+{
+	struct bpf_sock *sk = ctx->sk;
+	struct socket_cookie *p;
+
+	if (ctx->family != AF_INET6)
+		return 1;
+
+	if (ctx->op != BPF_SOCK_OPS_TCP_CONNECT_CB)
+		return 1;
+
+	if (!sk)
+		return 1;
+
+	p = bpf_sk_storage_get(&socket_cookies, sk, 0, 0);
+	if (!p)
+		return 1;
+
+	if (p->cookie_key != bpf_get_socket_cookie(ctx))
+		return 1;
+
+	p->cookie_value |= (ctx->local_port << 8);
+
+	return 1;
+}
+
+SEC("fexit/inet_stream_connect")
+int BPF_PROG(update_cookie_tracing, struct socket *sock,
+	     struct sockaddr *uaddr, int addr_len, int flags)
+{
+	struct socket_cookie *p;
+
+	if (uaddr->sa_family != AF_INET6)
+		return 0;
+
+	p = bpf_sk_storage_get(&socket_cookies, sock->sk, 0, 0);
+	if (!p)
+		return 0;
+
+	if (p->cookie_key != bpf_get_socket_cookie(sock->sk))
+		return 0;
+
+	p->cookie_value |= 0xF0;
+
+	return 0;
+}
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/sockmap_parse_prog.c b/tools/testing/selftests/bpf/progs/sockmap_parse_prog.c
new file mode 100644
index 000000000..c9abfe3a1
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/sockmap_parse_prog.c
@@ -0,0 +1,33 @@
+#include <linux/bpf.h>
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_endian.h>
+
+SEC("sk_skb1")
+int bpf_prog1(struct __sk_buff *skb)
+{
+	void *data_end = (void *)(long) skb->data_end;
+	void *data = (void *)(long) skb->data;
+	__u8 *d = data;
+	int err;
+
+	if (data + 10 > data_end) {
+		err = bpf_skb_pull_data(skb, 10);
+		if (err)
+			return SK_DROP;
+
+		data_end = (void *)(long)skb->data_end;
+		data = (void *)(long)skb->data;
+		if (data + 10 > data_end)
+			return SK_DROP;
+	}
+
+	/* This write/read is a bit pointless but tests the verifier and
+	 * strparser handler for read/write pkt data and access into sk
+	 * fields.
+	 */
+	d = data;
+	d[7] = 1;
+	return skb->len;
+}
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/sockmap_tcp_msg_prog.c b/tools/testing/selftests/bpf/progs/sockmap_tcp_msg_prog.c
new file mode 100644
index 000000000..80632954c
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/sockmap_tcp_msg_prog.c
@@ -0,0 +1,12 @@
+#include <linux/bpf.h>
+
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_endian.h>
+
+SEC("sk_msg1")
+int bpf_prog1(struct sk_msg_md *msg)
+{
+	return SK_PASS;
+}
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/sockmap_verdict_prog.c b/tools/testing/selftests/bpf/progs/sockmap_verdict_prog.c
new file mode 100644
index 000000000..e2468a6d0
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/sockmap_verdict_prog.c
@@ -0,0 +1,63 @@
+#include <linux/bpf.h>
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_endian.h>
+
+struct {
+	__uint(type, BPF_MAP_TYPE_SOCKMAP);
+	__uint(max_entries, 20);
+	__type(key, int);
+	__type(value, int);
+} sock_map_rx SEC(".maps");
+
+struct {
+	__uint(type, BPF_MAP_TYPE_SOCKMAP);
+	__uint(max_entries, 20);
+	__type(key, int);
+	__type(value, int);
+} sock_map_tx SEC(".maps");
+
+struct {
+	__uint(type, BPF_MAP_TYPE_SOCKMAP);
+	__uint(max_entries, 20);
+	__type(key, int);
+	__type(value, int);
+} sock_map_msg SEC(".maps");
+
+struct {
+	__uint(type, BPF_MAP_TYPE_ARRAY);
+	__uint(max_entries, 20);
+	__type(key, int);
+	__type(value, int);
+} sock_map_break SEC(".maps");
+
+SEC("sk_skb2")
+int bpf_prog2(struct __sk_buff *skb)
+{
+	void *data_end = (void *)(long) skb->data_end;
+	void *data = (void *)(long) skb->data;
+	__u32 lport = skb->local_port;
+	__u32 rport = skb->remote_port;
+	__u8 *d = data;
+	__u8 sk, map;
+
+	if (data + 8 > data_end)
+		return SK_DROP;
+
+	map = d[0];
+	sk = d[1];
+
+	d[0] = 0xd;
+	d[1] = 0xe;
+	d[2] = 0xa;
+	d[3] = 0xd;
+	d[4] = 0xb;
+	d[5] = 0xe;
+	d[6] = 0xe;
+	d[7] = 0xf;
+
+	if (!map)
+		return bpf_sk_redirect_map(skb, &sock_map_rx, sk, 0);
+	return bpf_sk_redirect_map(skb, &sock_map_tx, sk, 0);
+}
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/sockopt_inherit.c b/tools/testing/selftests/bpf/progs/sockopt_inherit.c
new file mode 100644
index 000000000..9fb241b97
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/sockopt_inherit.c
@@ -0,0 +1,96 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <linux/bpf.h>
+#include <bpf/bpf_helpers.h>
+
+char _license[] SEC("license") = "GPL";
+
+#define SOL_CUSTOM			0xdeadbeef
+#define CUSTOM_INHERIT1			0
+#define CUSTOM_INHERIT2			1
+#define CUSTOM_LISTENER			2
+
+struct sockopt_inherit {
+	__u8 val;
+};
+
+struct {
+	__uint(type, BPF_MAP_TYPE_SK_STORAGE);
+	__uint(map_flags, BPF_F_NO_PREALLOC | BPF_F_CLONE);
+	__type(key, int);
+	__type(value, struct sockopt_inherit);
+} cloned1_map SEC(".maps");
+
+struct {
+	__uint(type, BPF_MAP_TYPE_SK_STORAGE);
+	__uint(map_flags, BPF_F_NO_PREALLOC | BPF_F_CLONE);
+	__type(key, int);
+	__type(value, struct sockopt_inherit);
+} cloned2_map SEC(".maps");
+
+struct {
+	__uint(type, BPF_MAP_TYPE_SK_STORAGE);
+	__uint(map_flags, BPF_F_NO_PREALLOC);
+	__type(key, int);
+	__type(value, struct sockopt_inherit);
+} listener_only_map SEC(".maps");
+
+static __inline struct sockopt_inherit *get_storage(struct bpf_sockopt *ctx)
+{
+	if (ctx->optname == CUSTOM_INHERIT1)
+		return bpf_sk_storage_get(&cloned1_map, ctx->sk, 0,
+					  BPF_SK_STORAGE_GET_F_CREATE);
+	else if (ctx->optname == CUSTOM_INHERIT2)
+		return bpf_sk_storage_get(&cloned2_map, ctx->sk, 0,
+					  BPF_SK_STORAGE_GET_F_CREATE);
+	else
+		return bpf_sk_storage_get(&listener_only_map, ctx->sk, 0,
+					  BPF_SK_STORAGE_GET_F_CREATE);
+}
+
+SEC("cgroup/getsockopt")
+int _getsockopt(struct bpf_sockopt *ctx)
+{
+	__u8 *optval_end = ctx->optval_end;
+	struct sockopt_inherit *storage;
+	__u8 *optval = ctx->optval;
+
+	if (ctx->level != SOL_CUSTOM)
+		return 1; /* only interested in SOL_CUSTOM */
+
+	if (optval + 1 > optval_end)
+		return 0; /* EPERM, bounds check */
+
+	storage = get_storage(ctx);
+	if (!storage)
+		return 0; /* EPERM, couldn't get sk storage */
+
+	ctx->retval = 0; /* Reset system call return value to zero */
+
+	optval[0] = storage->val;
+	ctx->optlen = 1;
+
+	return 1;
+}
+
+SEC("cgroup/setsockopt")
+int _setsockopt(struct bpf_sockopt *ctx)
+{
+	__u8 *optval_end = ctx->optval_end;
+	struct sockopt_inherit *storage;
+	__u8 *optval = ctx->optval;
+
+	if (ctx->level != SOL_CUSTOM)
+		return 1; /* only interested in SOL_CUSTOM */
+
+	if (optval + 1 > optval_end)
+		return 0; /* EPERM, bounds check */
+
+	storage = get_storage(ctx);
+	if (!storage)
+		return 0; /* EPERM, couldn't get sk storage */
+
+	storage->val = optval[0];
+	ctx->optlen = -1;
+
+	return 1;
+}
diff --git a/tools/testing/selftests/bpf/progs/sockopt_multi.c b/tools/testing/selftests/bpf/progs/sockopt_multi.c
new file mode 100644
index 000000000..177a59069
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/sockopt_multi.c
@@ -0,0 +1,70 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <netinet/in.h>
+#include <linux/bpf.h>
+#include <bpf/bpf_helpers.h>
+
+char _license[] SEC("license") = "GPL";
+
+SEC("cgroup/getsockopt")
+int _getsockopt_child(struct bpf_sockopt *ctx)
+{
+	__u8 *optval_end = ctx->optval_end;
+	__u8 *optval = ctx->optval;
+
+	if (ctx->level != SOL_IP || ctx->optname != IP_TOS)
+		return 1;
+
+	if (optval + 1 > optval_end)
+		return 0; /* EPERM, bounds check */
+
+	if (optval[0] != 0x80)
+		return 0; /* EPERM, unexpected optval from the kernel */
+
+	ctx->retval = 0; /* Reset system call return value to zero */
+
+	optval[0] = 0x90;
+	ctx->optlen = 1;
+
+	return 1;
+}
+
+SEC("cgroup/getsockopt")
+int _getsockopt_parent(struct bpf_sockopt *ctx)
+{
+	__u8 *optval_end = ctx->optval_end;
+	__u8 *optval = ctx->optval;
+
+	if (ctx->level != SOL_IP || ctx->optname != IP_TOS)
+		return 1;
+
+	if (optval + 1 > optval_end)
+		return 0; /* EPERM, bounds check */
+
+	if (optval[0] != 0x90)
+		return 0; /* EPERM, unexpected optval from the kernel */
+
+	ctx->retval = 0; /* Reset system call return value to zero */
+
+	optval[0] = 0xA0;
+	ctx->optlen = 1;
+
+	return 1;
+}
+
+SEC("cgroup/setsockopt")
+int _setsockopt(struct bpf_sockopt *ctx)
+{
+	__u8 *optval_end = ctx->optval_end;
+	__u8 *optval = ctx->optval;
+
+	if (ctx->level != SOL_IP || ctx->optname != IP_TOS)
+		return 1;
+
+	if (optval + 1 > optval_end)
+		return 0; /* EPERM, bounds check */
+
+	optval[0] += 0x10;
+	ctx->optlen = 1;
+
+	return 1;
+}
diff --git a/tools/testing/selftests/bpf/progs/sockopt_qos_to_cc.c b/tools/testing/selftests/bpf/progs/sockopt_qos_to_cc.c
new file mode 100644
index 000000000..1bce83b6e
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/sockopt_qos_to_cc.c
@@ -0,0 +1,39 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2021 Facebook */
+#include <string.h>
+#include <linux/tcp.h>
+#include <netinet/in.h>
+#include <linux/bpf.h>
+#include <bpf/bpf_helpers.h>
+#include "bpf_tcp_helpers.h"
+
+char _license[] SEC("license") = "GPL";
+
+SEC("cgroup/setsockopt")
+int sockopt_qos_to_cc(struct bpf_sockopt *ctx)
+{
+	void *optval_end = ctx->optval_end;
+	int *optval = ctx->optval;
+	char buf[TCP_CA_NAME_MAX];
+	char cc_reno[TCP_CA_NAME_MAX] = "reno";
+	char cc_cubic[TCP_CA_NAME_MAX] = "cubic";
+
+	if (ctx->level != SOL_IPV6 || ctx->optname != IPV6_TCLASS)
+		return 1;
+
+	if (optval + 1 > optval_end)
+		return 0; /* EPERM, bounds check */
+
+	if (bpf_getsockopt(ctx->sk, SOL_TCP, TCP_CONGESTION, &buf, sizeof(buf)))
+		return 0;
+
+	if (!tcp_cc_eq(buf, cc_cubic))
+		return 0;
+
+	if (*optval == 0x2d) {
+		if (bpf_setsockopt(ctx->sk, SOL_TCP, TCP_CONGESTION, &cc_reno,
+				sizeof(cc_reno)))
+			return 0;
+	}
+	return 1;
+}
diff --git a/tools/testing/selftests/bpf/progs/sockopt_sk.c b/tools/testing/selftests/bpf/progs/sockopt_sk.c
new file mode 100644
index 000000000..fe1df4cd2
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/sockopt_sk.c
@@ -0,0 +1,227 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <string.h>
+#include <linux/tcp.h>
+#include <linux/bpf.h>
+#include <netinet/in.h>
+#include <bpf/bpf_helpers.h>
+
+char _license[] SEC("license") = "GPL";
+
+int page_size = 0; /* userspace should set it */
+
+#ifndef SOL_TCP
+#define SOL_TCP IPPROTO_TCP
+#endif
+
+#define SOL_CUSTOM			0xdeadbeef
+
+struct sockopt_sk {
+	__u8 val;
+};
+
+struct {
+	__uint(type, BPF_MAP_TYPE_SK_STORAGE);
+	__uint(map_flags, BPF_F_NO_PREALLOC);
+	__type(key, int);
+	__type(value, struct sockopt_sk);
+} socket_storage_map SEC(".maps");
+
+SEC("cgroup/getsockopt")
+int _getsockopt(struct bpf_sockopt *ctx)
+{
+	__u8 *optval_end = ctx->optval_end;
+	__u8 *optval = ctx->optval;
+	struct sockopt_sk *storage;
+	struct bpf_sock *sk;
+
+	/* Bypass AF_NETLINK. */
+	sk = ctx->sk;
+	if (sk && sk->family == AF_NETLINK)
+		return 1;
+
+	/* Make sure bpf_get_netns_cookie is callable.
+	 */
+	if (bpf_get_netns_cookie(NULL) == 0)
+		return 0;
+
+	if (bpf_get_netns_cookie(ctx) == 0)
+		return 0;
+
+	if (ctx->level == SOL_IP && ctx->optname == IP_TOS) {
+		/* Not interested in SOL_IP:IP_TOS;
+		 * let next BPF program in the cgroup chain or kernel
+		 * handle it.
+		 */
+		ctx->optlen = 0; /* bypass optval>PAGE_SIZE */
+		return 1;
+	}
+
+	if (ctx->level == SOL_SOCKET && ctx->optname == SO_SNDBUF) {
+		/* Not interested in SOL_SOCKET:SO_SNDBUF;
+		 * let next BPF program in the cgroup chain or kernel
+		 * handle it.
+		 */
+		return 1;
+	}
+
+	if (ctx->level == SOL_TCP && ctx->optname == TCP_CONGESTION) {
+		/* Not interested in SOL_TCP:TCP_CONGESTION;
+		 * let next BPF program in the cgroup chain or kernel
+		 * handle it.
+		 */
+		return 1;
+	}
+
+	if (ctx->level == SOL_TCP && ctx->optname == TCP_ZEROCOPY_RECEIVE) {
+		/* Verify that TCP_ZEROCOPY_RECEIVE triggers.
+		 * It has a custom implementation for performance
+		 * reasons.
+		 */
+
+		/* Check that optval contains address (__u64) */
+		if (optval + sizeof(__u64) > optval_end)
+			return 0; /* bounds check */
+
+		if (((struct tcp_zerocopy_receive *)optval)->address != 0)
+			return 0; /* unexpected data */
+
+		return 1;
+	}
+
+	if (ctx->level == SOL_IP && ctx->optname == IP_FREEBIND) {
+		if (optval + 1 > optval_end)
+			return 0; /* bounds check */
+
+		ctx->retval = 0; /* Reset system call return value to zero */
+
+		/* Always export 0x55 */
+		optval[0] = 0x55;
+		ctx->optlen = 1;
+
+		/* Userspace buffer is PAGE_SIZE * 2, but BPF
+		 * program can only see the first PAGE_SIZE
+		 * bytes of data.
+		 */
+		if (optval_end - optval != page_size)
+			return 0; /* unexpected data size */
+
+		return 1;
+	}
+
+	if (ctx->level != SOL_CUSTOM)
+		return 0; /* deny everything except custom level */
+
+	if (optval + 1 > optval_end)
+		return 0; /* bounds check */
+
+	storage = bpf_sk_storage_get(&socket_storage_map, ctx->sk, 0,
+				     BPF_SK_STORAGE_GET_F_CREATE);
+	if (!storage)
+		return 0; /* couldn't get sk storage */
+
+	if (!ctx->retval)
+		return 0; /* kernel should not have handled
+			   * SOL_CUSTOM, something is wrong!
+			   */
+	ctx->retval = 0; /* Reset system call return value to zero */
+
+	optval[0] = storage->val;
+	ctx->optlen = 1;
+
+	return 1;
+}
+
+SEC("cgroup/setsockopt")
+int _setsockopt(struct bpf_sockopt *ctx)
+{
+	__u8 *optval_end = ctx->optval_end;
+	__u8 *optval = ctx->optval;
+	struct sockopt_sk *storage;
+	struct bpf_sock *sk;
+
+	/* Bypass AF_NETLINK. */
+	sk = ctx->sk;
+	if (sk && sk->family == AF_NETLINK)
+		return 1;
+
+	/* Make sure bpf_get_netns_cookie is callable.
+	 */
+	if (bpf_get_netns_cookie(NULL) == 0)
+		return 0;
+
+	if (bpf_get_netns_cookie(ctx) == 0)
+		return 0;
+
+	if (ctx->level == SOL_IP && ctx->optname == IP_TOS) {
+		/* Not interested in SOL_IP:IP_TOS;
+		 * let next BPF program in the cgroup chain or kernel
+		 * handle it.
+		 */
+		ctx->optlen = 0; /* bypass optval>PAGE_SIZE */
+		return 1;
+	}
+
+	if (ctx->level == SOL_SOCKET && ctx->optname == SO_SNDBUF) {
+		/* Overwrite SO_SNDBUF value */
+
+		if (optval + sizeof(__u32) > optval_end)
+			return 0; /* bounds check */
+
+		*(__u32 *)optval = 0x55AA;
+		ctx->optlen = 4;
+
+		return 1;
+	}
+
+	if (ctx->level == SOL_TCP && ctx->optname == TCP_CONGESTION) {
+		/* Always use cubic */
+
+		if (optval + 5 > optval_end)
+			return 0; /* bounds check */
+
+		memcpy(optval, "cubic", 5);
+		ctx->optlen = 5;
+
+		return 1;
+	}
+
+	if (ctx->level == SOL_IP && ctx->optname == IP_FREEBIND) {
+		/* Original optlen is larger than PAGE_SIZE. */
+		if (ctx->optlen != page_size * 2)
+			return 0; /* unexpected data size */
+
+		if (optval + 1 > optval_end)
+			return 0; /* bounds check */
+
+		/* Make sure we can trim the buffer. */
+		optval[0] = 0;
+		ctx->optlen = 1;
+
+		/* Usepace buffer is PAGE_SIZE * 2, but BPF
+		 * program can only see the first PAGE_SIZE
+		 * bytes of data.
+		 */
+		if (optval_end - optval != page_size)
+			return 0; /* unexpected data size */
+
+		return 1;
+	}
+
+	if (ctx->level != SOL_CUSTOM)
+		return 0; /* deny everything except custom level */
+
+	if (optval + 1 > optval_end)
+		return 0; /* bounds check */
+
+	storage = bpf_sk_storage_get(&socket_storage_map, ctx->sk, 0,
+				     BPF_SK_STORAGE_GET_F_CREATE);
+	if (!storage)
+		return 0; /* couldn't get sk storage */
+
+	storage->val = optval[0];
+	ctx->optlen = -1; /* BPF has consumed this option, don't call kernel
+			   * setsockopt handler.
+			   */
+
+	return 1;
+}
diff --git a/tools/testing/selftests/bpf/progs/stacktrace_map_skip.c b/tools/testing/selftests/bpf/progs/stacktrace_map_skip.c
new file mode 100644
index 000000000..2eb297df3
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/stacktrace_map_skip.c
@@ -0,0 +1,68 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <vmlinux.h>
+#include <bpf/bpf_helpers.h>
+
+#define TEST_STACK_DEPTH	2
+#define TEST_MAX_ENTRIES	16384
+
+typedef __u64 stack_trace_t[TEST_STACK_DEPTH];
+
+struct {
+	__uint(type, BPF_MAP_TYPE_STACK_TRACE);
+	__uint(max_entries, TEST_MAX_ENTRIES);
+	__type(key, __u32);
+	__type(value, stack_trace_t);
+} stackmap SEC(".maps");
+
+struct {
+	__uint(type, BPF_MAP_TYPE_HASH);
+	__uint(max_entries, TEST_MAX_ENTRIES);
+	__type(key, __u32);
+	__type(value, __u32);
+} stackid_hmap SEC(".maps");
+
+struct {
+	__uint(type, BPF_MAP_TYPE_ARRAY);
+	__uint(max_entries, TEST_MAX_ENTRIES);
+	__type(key, __u32);
+	__type(value, stack_trace_t);
+} stack_amap SEC(".maps");
+
+int pid = 0;
+int control = 0;
+int failed = 0;
+
+SEC("tracepoint/sched/sched_switch")
+int oncpu(struct trace_event_raw_sched_switch *ctx)
+{
+	__u32 max_len = TEST_STACK_DEPTH * sizeof(__u64);
+	__u32 key = 0, val = 0;
+	__u64 *stack_p;
+
+	if (pid != (bpf_get_current_pid_tgid() >> 32))
+		return 0;
+
+	if (control)
+		return 0;
+
+	/* it should allow skipping whole buffer size entries */
+	key = bpf_get_stackid(ctx, &stackmap, TEST_STACK_DEPTH);
+	if ((int)key >= 0) {
+		/* The size of stackmap and stack_amap should be the same */
+		bpf_map_update_elem(&stackid_hmap, &key, &val, 0);
+		stack_p = bpf_map_lookup_elem(&stack_amap, &key);
+		if (stack_p) {
+			bpf_get_stack(ctx, stack_p, max_len, TEST_STACK_DEPTH);
+			/* it wrongly skipped all the entries and filled zero */
+			if (stack_p[0] == 0)
+				failed = 1;
+		}
+	} else {
+		/* old kernel doesn't support skipping that many entries */
+		failed = 2;
+	}
+
+	return 0;
+}
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/strncmp_bench.c b/tools/testing/selftests/bpf/progs/strncmp_bench.c
new file mode 100644
index 000000000..18373a7df
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/strncmp_bench.c
@@ -0,0 +1,50 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (C) 2021. Huawei Technologies Co., Ltd */
+#include <linux/types.h>
+#include <linux/bpf.h>
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_tracing.h>
+
+#define STRNCMP_STR_SZ 4096
+
+/* Will be updated by benchmark before program loading */
+const volatile unsigned int cmp_str_len = 1;
+const char target[STRNCMP_STR_SZ];
+
+long hits = 0;
+char str[STRNCMP_STR_SZ];
+
+char _license[] SEC("license") = "GPL";
+
+static __always_inline int local_strncmp(const char *s1, unsigned int sz,
+					 const char *s2)
+{
+	int ret = 0;
+	unsigned int i;
+
+	for (i = 0; i < sz; i++) {
+		/* E.g. 0xff > 0x31 */
+		ret = (unsigned char)s1[i] - (unsigned char)s2[i];
+		if (ret || !s1[i])
+			break;
+	}
+
+	return ret;
+}
+
+SEC("tp/syscalls/sys_enter_getpgid")
+int strncmp_no_helper(void *ctx)
+{
+	if (local_strncmp(str, cmp_str_len + 1, target) < 0)
+		__sync_add_and_fetch(&hits, 1);
+	return 0;
+}
+
+SEC("tp/syscalls/sys_enter_getpgid")
+int strncmp_helper(void *ctx)
+{
+	if (bpf_strncmp(str, cmp_str_len + 1, target) < 0)
+		__sync_add_and_fetch(&hits, 1);
+	return 0;
+}
+
diff --git a/tools/testing/selftests/bpf/progs/strncmp_test.c b/tools/testing/selftests/bpf/progs/strncmp_test.c
new file mode 100644
index 000000000..769668fee
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/strncmp_test.c
@@ -0,0 +1,54 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (C) 2021. Huawei Technologies Co., Ltd */
+#include <stdbool.h>
+#include <linux/types.h>
+#include <linux/bpf.h>
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_tracing.h>
+
+#define STRNCMP_STR_SZ 8
+
+const char target[STRNCMP_STR_SZ] = "EEEEEEE";
+char str[STRNCMP_STR_SZ];
+int cmp_ret = 0;
+int target_pid = 0;
+
+const char no_str_target[STRNCMP_STR_SZ] = "12345678";
+char writable_target[STRNCMP_STR_SZ];
+unsigned int no_const_str_size = STRNCMP_STR_SZ;
+
+char _license[] SEC("license") = "GPL";
+
+SEC("?tp/syscalls/sys_enter_nanosleep")
+int do_strncmp(void *ctx)
+{
+	if ((bpf_get_current_pid_tgid() >> 32) != target_pid)
+		return 0;
+
+	cmp_ret = bpf_strncmp(str, STRNCMP_STR_SZ, target);
+	return 0;
+}
+
+SEC("?tp/syscalls/sys_enter_nanosleep")
+int strncmp_bad_not_const_str_size(void *ctx)
+{
+	/* The value of string size is not const, so will fail */
+	cmp_ret = bpf_strncmp(str, no_const_str_size, target);
+	return 0;
+}
+
+SEC("?tp/syscalls/sys_enter_nanosleep")
+int strncmp_bad_writable_target(void *ctx)
+{
+	/* Compared target is not read-only, so will fail */
+	cmp_ret = bpf_strncmp(str, STRNCMP_STR_SZ, writable_target);
+	return 0;
+}
+
+SEC("?tp/syscalls/sys_enter_nanosleep")
+int strncmp_bad_not_null_term_target(void *ctx)
+{
+	/* Compared target is not null-terminated, so will fail */
+	cmp_ret = bpf_strncmp(str, STRNCMP_STR_SZ, no_str_target);
+	return 0;
+}
diff --git a/tools/testing/selftests/bpf/progs/strobemeta.c b/tools/testing/selftests/bpf/progs/strobemeta.c
new file mode 100644
index 000000000..d3df3d86f
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/strobemeta.c
@@ -0,0 +1,10 @@
+// SPDX-License-Identifier: (LGPL-2.1 OR BSD-2-Clause)
+// Copyright (c) 2019 Facebook
+
+#define STROBE_MAX_INTS 2
+#define STROBE_MAX_STRS 25
+#define STROBE_MAX_MAPS 100
+#define STROBE_MAX_MAP_ENTRIES 20
+/* full unroll by llvm #undef NO_UNROLL */
+#include "strobemeta.h"
+
diff --git a/tools/testing/selftests/bpf/progs/strobemeta.h b/tools/testing/selftests/bpf/progs/strobemeta.h
new file mode 100644
index 000000000..753718595
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/strobemeta.h
@@ -0,0 +1,616 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (c) 2019 Facebook
+
+#include <stdint.h>
+#include <stddef.h>
+#include <stdbool.h>
+#include <linux/bpf.h>
+#include <linux/ptrace.h>
+#include <linux/sched.h>
+#include <linux/types.h>
+#include <bpf/bpf_helpers.h>
+
+typedef uint32_t pid_t;
+struct task_struct {};
+
+#define TASK_COMM_LEN 16
+#define PERF_MAX_STACK_DEPTH 127
+
+#define STROBE_TYPE_INVALID 0
+#define STROBE_TYPE_INT 1
+#define STROBE_TYPE_STR 2
+#define STROBE_TYPE_MAP 3
+
+#define STACK_TABLE_EPOCH_SHIFT 20
+#define STROBE_MAX_STR_LEN 1
+#define STROBE_MAX_CFGS 32
+#define STROBE_MAX_PAYLOAD						\
+	(STROBE_MAX_STRS * STROBE_MAX_STR_LEN +				\
+	STROBE_MAX_MAPS * (1 + STROBE_MAX_MAP_ENTRIES * 2) * STROBE_MAX_STR_LEN)
+
+struct strobe_value_header {
+	/*
+	 * meaning depends on type:
+	 * 1. int: 0, if value not set, 1 otherwise
+	 * 2. str: 1 always, whether value is set or not is determined by ptr
+	 * 3. map: 1 always, pointer points to additional struct with number
+	 *    of entries (up to STROBE_MAX_MAP_ENTRIES)
+	 */
+	uint16_t len;
+	/*
+	 * _reserved might be used for some future fields/flags, but we always
+	 * want to keep strobe_value_header to be 8 bytes, so BPF can read 16
+	 * bytes in one go and get both header and value
+	 */
+	uint8_t _reserved[6];
+};
+
+/*
+ * strobe_value_generic is used from BPF probe only, but needs to be a union
+ * of strobe_value_int/strobe_value_str/strobe_value_map
+ */
+struct strobe_value_generic {
+	struct strobe_value_header header;
+	union {
+		int64_t val;
+		void *ptr;
+	};
+};
+
+struct strobe_value_int {
+	struct strobe_value_header header;
+	int64_t value;
+};
+
+struct strobe_value_str {
+	struct strobe_value_header header;
+	const char* value;
+};
+
+struct strobe_value_map {
+	struct strobe_value_header header;
+	const struct strobe_map_raw* value;
+};
+
+struct strobe_map_entry {
+	const char* key;
+	const char* val;
+};
+
+/*
+ * Map of C-string key/value pairs with fixed maximum capacity. Each map has
+ * corresponding int64 ID, which application can use (or ignore) in whatever
+ * way appropriate. Map is "write-only", there is no way to get data out of
+ * map. Map is intended to be used to provide metadata for profilers and is
+ * not to be used for internal in-app communication. All methods are
+ * thread-safe.
+ */
+struct strobe_map_raw {
+	/*
+	 * general purpose unique ID that's up to application to decide
+	 * whether and how to use; for request metadata use case id is unique
+	 * request ID that's used to match metadata with stack traces on
+	 * Strobelight backend side
+	 */
+	int64_t id;
+	/* number of used entries in map */
+	int64_t cnt;
+	/*
+	 * having volatile doesn't change anything on BPF side, but clang
+	 * emits warnings for passing `volatile const char *` into
+	 * bpf_probe_read_user_str that expects just `const char *`
+	 */
+	const char* tag;
+	/*
+	 * key/value entries, each consisting of 2 pointers to key and value
+	 * C strings
+	 */
+	struct strobe_map_entry entries[STROBE_MAX_MAP_ENTRIES];
+};
+
+/* Following values define supported values of TLS mode */
+#define TLS_NOT_SET -1
+#define TLS_LOCAL_EXEC 0
+#define TLS_IMM_EXEC 1
+#define TLS_GENERAL_DYN 2
+
+/*
+ * structure that universally represents TLS location (both for static
+ * executables and shared libraries)
+ */
+struct strobe_value_loc {
+	/*
+	 * tls_mode defines what TLS mode was used for particular metavariable:
+	 * - -1 (TLS_NOT_SET) - no metavariable;
+	 * - 0 (TLS_LOCAL_EXEC) - Local Executable mode;
+	 * - 1 (TLS_IMM_EXEC) - Immediate Executable mode;
+	 * - 2 (TLS_GENERAL_DYN) - General Dynamic mode;
+	 * Local Dynamic mode is not yet supported, because never seen in
+	 * practice.  Mode defines how offset field is interpreted. See
+	 * calc_location() in below for details.
+	 */
+	int64_t tls_mode;
+	/*
+	 * TLS_LOCAL_EXEC: offset from thread pointer (fs:0 for x86-64,
+	 * tpidr_el0 for aarch64).
+	 * TLS_IMM_EXEC: absolute address of GOT entry containing offset
+	 * from thread pointer;
+	 * TLS_GENERAL_DYN: absolute addres of double GOT entry
+	 * containing tls_index_t struct;
+	 */
+	int64_t offset;
+};
+
+struct strobemeta_cfg {
+	int64_t req_meta_idx;
+	struct strobe_value_loc int_locs[STROBE_MAX_INTS];
+	struct strobe_value_loc str_locs[STROBE_MAX_STRS];
+	struct strobe_value_loc map_locs[STROBE_MAX_MAPS];
+};
+
+struct strobe_map_descr {
+	uint64_t id;
+	int16_t tag_len;
+	/*
+	 * cnt <0 - map value isn't set;
+	 * 0 - map has id set, but no key/value entries
+	 */
+	int16_t cnt;
+	/*
+	 * both key_lens[i] and val_lens[i] should be >0 for present key/value
+	 * entry
+	 */
+	uint16_t key_lens[STROBE_MAX_MAP_ENTRIES];
+	uint16_t val_lens[STROBE_MAX_MAP_ENTRIES];
+};
+
+struct strobemeta_payload {
+	/* req_id has valid request ID, if req_meta_valid == 1 */
+	int64_t req_id;
+	uint8_t req_meta_valid;
+	/*
+	 * mask has Nth bit set to 1, if Nth metavar was present and
+	 * successfully read
+	 */
+	uint64_t int_vals_set_mask;
+	int64_t int_vals[STROBE_MAX_INTS];
+	/* len is >0 for present values */
+	uint16_t str_lens[STROBE_MAX_STRS];
+	/* if map_descrs[i].cnt == -1, metavar is not present/set */
+	struct strobe_map_descr map_descrs[STROBE_MAX_MAPS];
+	/*
+	 * payload has compactly packed values of str and map variables in the
+	 * form: strval1\0strval2\0map1key1\0map1val1\0map2key1\0map2val1\0
+	 * (and so on); str_lens[i], key_lens[i] and val_lens[i] determines
+	 * value length
+	 */
+	char payload[STROBE_MAX_PAYLOAD];
+};
+
+struct strobelight_bpf_sample {
+	uint64_t ktime;
+	char comm[TASK_COMM_LEN];
+	pid_t pid;
+	int user_stack_id;
+	int kernel_stack_id;
+	int has_meta;
+	struct strobemeta_payload metadata;
+	/*
+	 * makes it possible to pass (<real payload size> + 1) as data size to
+	 * perf_submit() to avoid perf_submit's paranoia about passing zero as
+	 * size, as it deduces that <real payload size> might be
+	 * **theoretically** zero
+	 */
+	char dummy_safeguard;
+};
+
+struct {
+	__uint(type, BPF_MAP_TYPE_PERF_EVENT_ARRAY);
+	__uint(max_entries, 32);
+	__uint(key_size, sizeof(int));
+	__uint(value_size, sizeof(int));
+} samples SEC(".maps");
+
+struct {
+	__uint(type, BPF_MAP_TYPE_STACK_TRACE);
+	__uint(max_entries, 16);
+	__uint(key_size, sizeof(uint32_t));
+	__uint(value_size, sizeof(uint64_t) * PERF_MAX_STACK_DEPTH);
+} stacks_0 SEC(".maps");
+
+struct {
+	__uint(type, BPF_MAP_TYPE_STACK_TRACE);
+	__uint(max_entries, 16);
+	__uint(key_size, sizeof(uint32_t));
+	__uint(value_size, sizeof(uint64_t) * PERF_MAX_STACK_DEPTH);
+} stacks_1 SEC(".maps");
+
+struct {
+	__uint(type, BPF_MAP_TYPE_PERCPU_ARRAY);
+	__uint(max_entries, 1);
+	__type(key, uint32_t);
+	__type(value, struct strobelight_bpf_sample);
+} sample_heap SEC(".maps");
+
+struct {
+	__uint(type, BPF_MAP_TYPE_PERCPU_ARRAY);
+	__uint(max_entries, STROBE_MAX_CFGS);
+	__type(key, pid_t);
+	__type(value, struct strobemeta_cfg);
+} strobemeta_cfgs SEC(".maps");
+
+/* Type for the dtv.  */
+/* https://github.com/lattera/glibc/blob/master/nptl/sysdeps/x86_64/tls.h#L34 */
+typedef union dtv {
+	size_t counter;
+	struct {
+		void* val;
+		bool is_static;
+	} pointer;
+} dtv_t;
+
+/* Partial definition for tcbhead_t */
+/* https://github.com/bminor/glibc/blob/master/sysdeps/x86_64/nptl/tls.h#L42 */
+struct tcbhead {
+	void* tcb;
+	dtv_t* dtv;
+};
+
+/*
+ * TLS module/offset information for shared library case.
+ * For x86-64, this is mapped onto two entries in GOT.
+ * For aarch64, this is pointed to by second GOT entry.
+ */
+struct tls_index {
+	uint64_t module;
+	uint64_t offset;
+};
+
+#ifdef SUBPROGS
+__noinline
+#else
+__always_inline
+#endif
+static void *calc_location(struct strobe_value_loc *loc, void *tls_base)
+{
+	/*
+	 * tls_mode value is:
+	 * - -1 (TLS_NOT_SET), if no metavar is present;
+	 * - 0 (TLS_LOCAL_EXEC), if metavar uses Local Executable mode of TLS
+	 * (offset from fs:0 for x86-64 or tpidr_el0 for aarch64);
+	 * - 1 (TLS_IMM_EXEC), if metavar uses Immediate Executable mode of TLS;
+	 * - 2 (TLS_GENERAL_DYN), if metavar uses General Dynamic mode of TLS;
+	 * This schema allows to use something like:
+	 * (tls_mode + 1) * (tls_base + offset)
+	 * to get NULL for "no metavar" location, or correct pointer for local
+	 * executable mode without doing extra ifs.
+	 */
+	if (loc->tls_mode <= TLS_LOCAL_EXEC) {
+		/* static executable is simple, we just have offset from
+		 * tls_base */
+		void *addr = tls_base + loc->offset;
+		/* multiply by (tls_mode + 1) to get NULL, if we have no
+		 * metavar in this slot */
+		return (void *)((loc->tls_mode + 1) * (int64_t)addr);
+	}
+	/*
+	 * Other modes are more complicated, we need to jump through few hoops.
+	 *
+	 * For immediate executable mode (currently supported only for aarch64):
+	 *  - loc->offset is pointing to a GOT entry containing fixed offset
+	 *  relative to tls_base;
+	 *
+	 * For general dynamic mode:
+	 *  - loc->offset is pointing to a beginning of double GOT entries;
+	 *  - (for aarch64 only) second entry points to tls_index_t struct;
+	 *  - (for x86-64 only) two GOT entries are already tls_index_t;
+	 *  - tls_index_t->module is used to find start of TLS section in
+	 *  which variable resides;
+	 *  - tls_index_t->offset provides offset within that TLS section,
+	 *  pointing to value of variable.
+	 */
+	struct tls_index tls_index;
+	dtv_t *dtv;
+	void *tls_ptr;
+
+	bpf_probe_read_user(&tls_index, sizeof(struct tls_index),
+			    (void *)loc->offset);
+	/* valid module index is always positive */
+	if (tls_index.module > 0) {
+		/* dtv = ((struct tcbhead *)tls_base)->dtv[tls_index.module] */
+		bpf_probe_read_user(&dtv, sizeof(dtv),
+				    &((struct tcbhead *)tls_base)->dtv);
+		dtv += tls_index.module;
+	} else {
+		dtv = NULL;
+	}
+	bpf_probe_read_user(&tls_ptr, sizeof(void *), dtv);
+	/* if pointer has (void *)-1 value, then TLS wasn't initialized yet */
+	return tls_ptr && tls_ptr != (void *)-1
+		? tls_ptr + tls_index.offset
+		: NULL;
+}
+
+#ifdef SUBPROGS
+__noinline
+#else
+__always_inline
+#endif
+static void read_int_var(struct strobemeta_cfg *cfg,
+			 size_t idx, void *tls_base,
+			 struct strobe_value_generic *value,
+			 struct strobemeta_payload *data)
+{
+	void *location = calc_location(&cfg->int_locs[idx], tls_base);
+	if (!location)
+		return;
+
+	bpf_probe_read_user(value, sizeof(struct strobe_value_generic), location);
+	data->int_vals[idx] = value->val;
+	if (value->header.len)
+		data->int_vals_set_mask |= (1 << idx);
+}
+
+static __always_inline uint64_t read_str_var(struct strobemeta_cfg *cfg,
+					     size_t idx, void *tls_base,
+					     struct strobe_value_generic *value,
+					     struct strobemeta_payload *data,
+					     void *payload)
+{
+	void *location;
+	uint64_t len;
+
+	data->str_lens[idx] = 0;
+	location = calc_location(&cfg->str_locs[idx], tls_base);
+	if (!location)
+		return 0;
+
+	bpf_probe_read_user(value, sizeof(struct strobe_value_generic), location);
+	len = bpf_probe_read_user_str(payload, STROBE_MAX_STR_LEN, value->ptr);
+	/*
+	 * if bpf_probe_read_user_str returns error (<0), due to casting to
+	 * unsinged int, it will become big number, so next check is
+	 * sufficient to check for errors AND prove to BPF verifier, that
+	 * bpf_probe_read_user_str won't return anything bigger than
+	 * STROBE_MAX_STR_LEN
+	 */
+	if (len > STROBE_MAX_STR_LEN)
+		return 0;
+
+	data->str_lens[idx] = len;
+	return len;
+}
+
+static __always_inline void *read_map_var(struct strobemeta_cfg *cfg,
+					  size_t idx, void *tls_base,
+					  struct strobe_value_generic *value,
+					  struct strobemeta_payload *data,
+					  void *payload)
+{
+	struct strobe_map_descr* descr = &data->map_descrs[idx];
+	struct strobe_map_raw map;
+	void *location;
+	uint64_t len;
+	int i;
+
+	descr->tag_len = 0; /* presume no tag is set */
+	descr->cnt = -1; /* presume no value is set */
+
+	location = calc_location(&cfg->map_locs[idx], tls_base);
+	if (!location)
+		return payload;
+
+	bpf_probe_read_user(value, sizeof(struct strobe_value_generic), location);
+	if (bpf_probe_read_user(&map, sizeof(struct strobe_map_raw), value->ptr))
+		return payload;
+
+	descr->id = map.id;
+	descr->cnt = map.cnt;
+	if (cfg->req_meta_idx == idx) {
+		data->req_id = map.id;
+		data->req_meta_valid = 1;
+	}
+
+	len = bpf_probe_read_user_str(payload, STROBE_MAX_STR_LEN, map.tag);
+	if (len <= STROBE_MAX_STR_LEN) {
+		descr->tag_len = len;
+		payload += len;
+	}
+
+#ifdef NO_UNROLL
+#pragma clang loop unroll(disable)
+#else
+#pragma unroll
+#endif
+	for (int i = 0; i < STROBE_MAX_MAP_ENTRIES; ++i) {
+		if (i >= map.cnt)
+			break;
+
+		descr->key_lens[i] = 0;
+		len = bpf_probe_read_user_str(payload, STROBE_MAX_STR_LEN,
+					      map.entries[i].key);
+		if (len <= STROBE_MAX_STR_LEN) {
+			descr->key_lens[i] = len;
+			payload += len;
+		}
+		descr->val_lens[i] = 0;
+		len = bpf_probe_read_user_str(payload, STROBE_MAX_STR_LEN,
+					      map.entries[i].val);
+		if (len <= STROBE_MAX_STR_LEN) {
+			descr->val_lens[i] = len;
+			payload += len;
+		}
+	}
+
+	return payload;
+}
+
+#ifdef USE_BPF_LOOP
+enum read_type {
+	READ_INT_VAR,
+	READ_MAP_VAR,
+	READ_STR_VAR,
+};
+
+struct read_var_ctx {
+	struct strobemeta_payload *data;
+	void *tls_base;
+	struct strobemeta_cfg *cfg;
+	void *payload;
+	/* value gets mutated */
+	struct strobe_value_generic *value;
+	enum read_type type;
+};
+
+static int read_var_callback(__u32 index, struct read_var_ctx *ctx)
+{
+	switch (ctx->type) {
+	case READ_INT_VAR:
+		if (index >= STROBE_MAX_INTS)
+			return 1;
+		read_int_var(ctx->cfg, index, ctx->tls_base, ctx->value, ctx->data);
+		break;
+	case READ_MAP_VAR:
+		if (index >= STROBE_MAX_MAPS)
+			return 1;
+		ctx->payload = read_map_var(ctx->cfg, index, ctx->tls_base,
+					    ctx->value, ctx->data, ctx->payload);
+		break;
+	case READ_STR_VAR:
+		if (index >= STROBE_MAX_STRS)
+			return 1;
+		ctx->payload += read_str_var(ctx->cfg, index, ctx->tls_base,
+					     ctx->value, ctx->data, ctx->payload);
+		break;
+	}
+	return 0;
+}
+#endif /* USE_BPF_LOOP */
+
+/*
+ * read_strobe_meta returns NULL, if no metadata was read; otherwise returns
+ * pointer to *right after* payload ends
+ */
+#ifdef SUBPROGS
+__noinline
+#else
+__always_inline
+#endif
+static void *read_strobe_meta(struct task_struct *task,
+			      struct strobemeta_payload *data)
+{
+	pid_t pid = bpf_get_current_pid_tgid() >> 32;
+	struct strobe_value_generic value = {0};
+	struct strobemeta_cfg *cfg;
+	void *tls_base, *payload;
+
+	cfg = bpf_map_lookup_elem(&strobemeta_cfgs, &pid);
+	if (!cfg)
+		return NULL;
+
+	data->int_vals_set_mask = 0;
+	data->req_meta_valid = 0;
+	payload = data->payload;
+	/*
+	 * we don't have struct task_struct definition, it should be:
+	 * tls_base = (void *)task->thread.fsbase;
+	 */
+	tls_base = (void *)task;
+
+#ifdef USE_BPF_LOOP
+	struct read_var_ctx ctx = {
+		.cfg = cfg,
+		.tls_base = tls_base,
+		.value = &value,
+		.data = data,
+		.payload = payload,
+	};
+	int err;
+
+	ctx.type = READ_INT_VAR;
+	err = bpf_loop(STROBE_MAX_INTS, read_var_callback, &ctx, 0);
+	if (err != STROBE_MAX_INTS)
+		return NULL;
+
+	ctx.type = READ_STR_VAR;
+	err = bpf_loop(STROBE_MAX_STRS, read_var_callback, &ctx, 0);
+	if (err != STROBE_MAX_STRS)
+		return NULL;
+
+	ctx.type = READ_MAP_VAR;
+	err = bpf_loop(STROBE_MAX_MAPS, read_var_callback, &ctx, 0);
+	if (err != STROBE_MAX_MAPS)
+		return NULL;
+#else
+#ifdef NO_UNROLL
+#pragma clang loop unroll(disable)
+#else
+#pragma unroll
+#endif /* NO_UNROLL */
+	for (int i = 0; i < STROBE_MAX_INTS; ++i) {
+		read_int_var(cfg, i, tls_base, &value, data);
+	}
+#ifdef NO_UNROLL
+#pragma clang loop unroll(disable)
+#else
+#pragma unroll
+#endif /* NO_UNROLL */
+	for (int i = 0; i < STROBE_MAX_STRS; ++i) {
+		payload += read_str_var(cfg, i, tls_base, &value, data, payload);
+	}
+#ifdef NO_UNROLL
+#pragma clang loop unroll(disable)
+#else
+#pragma unroll
+#endif /* NO_UNROLL */
+	for (int i = 0; i < STROBE_MAX_MAPS; ++i) {
+		payload = read_map_var(cfg, i, tls_base, &value, data, payload);
+	}
+#endif /* USE_BPF_LOOP */
+
+	/*
+	 * return pointer right after end of payload, so it's possible to
+	 * calculate exact amount of useful data that needs to be sent
+	 */
+	return payload;
+}
+
+SEC("raw_tracepoint/kfree_skb")
+int on_event(struct pt_regs *ctx) {
+	pid_t pid =  bpf_get_current_pid_tgid() >> 32;
+	struct strobelight_bpf_sample* sample;
+	struct task_struct *task;
+	uint32_t zero = 0;
+	uint64_t ktime_ns;
+	void *sample_end;
+
+	sample = bpf_map_lookup_elem(&sample_heap, &zero);
+	if (!sample)
+		return 0; /* this will never happen */
+
+	sample->pid = pid;
+	bpf_get_current_comm(&sample->comm, TASK_COMM_LEN);
+	ktime_ns = bpf_ktime_get_ns();
+	sample->ktime = ktime_ns;
+
+	task = (struct task_struct *)bpf_get_current_task();
+	sample_end = read_strobe_meta(task, &sample->metadata);
+	sample->has_meta = sample_end != NULL;
+	sample_end = sample_end ? : &sample->metadata;
+
+	if ((ktime_ns >> STACK_TABLE_EPOCH_SHIFT) & 1) {
+		sample->kernel_stack_id = bpf_get_stackid(ctx, &stacks_1, 0);
+		sample->user_stack_id = bpf_get_stackid(ctx, &stacks_1, BPF_F_USER_STACK);
+	} else {
+		sample->kernel_stack_id = bpf_get_stackid(ctx, &stacks_0, 0);
+		sample->user_stack_id = bpf_get_stackid(ctx, &stacks_0, BPF_F_USER_STACK);
+	}
+
+	uint64_t sample_size = sample_end - (void *)sample;
+	/* should always be true */
+	if (sample_size < sizeof(struct strobelight_bpf_sample))
+		bpf_perf_event_output(ctx, &samples, 0, sample, 1 + sample_size);
+	return 0;
+}
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/strobemeta_bpf_loop.c b/tools/testing/selftests/bpf/progs/strobemeta_bpf_loop.c
new file mode 100644
index 000000000..d18b992f0
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/strobemeta_bpf_loop.c
@@ -0,0 +1,9 @@
+// SPDX-License-Identifier: (LGPL-2.1 OR BSD-2-Clause)
+/* Copyright (c) 2021 Facebook */
+
+#define STROBE_MAX_INTS 2
+#define STROBE_MAX_STRS 25
+#define STROBE_MAX_MAPS 100
+#define STROBE_MAX_MAP_ENTRIES 20
+#define USE_BPF_LOOP
+#include "strobemeta.h"
diff --git a/tools/testing/selftests/bpf/progs/strobemeta_nounroll1.c b/tools/testing/selftests/bpf/progs/strobemeta_nounroll1.c
new file mode 100644
index 000000000..f0a1669e1
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/strobemeta_nounroll1.c
@@ -0,0 +1,9 @@
+// SPDX-License-Identifier: (LGPL-2.1 OR BSD-2-Clause)
+// Copyright (c) 2019 Facebook
+
+#define STROBE_MAX_INTS 2
+#define STROBE_MAX_STRS 25
+#define STROBE_MAX_MAPS 13
+#define STROBE_MAX_MAP_ENTRIES 20
+#define NO_UNROLL
+#include "strobemeta.h"
diff --git a/tools/testing/selftests/bpf/progs/strobemeta_nounroll2.c b/tools/testing/selftests/bpf/progs/strobemeta_nounroll2.c
new file mode 100644
index 000000000..4291a7d64
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/strobemeta_nounroll2.c
@@ -0,0 +1,9 @@
+// SPDX-License-Identifier: (LGPL-2.1 OR BSD-2-Clause)
+// Copyright (c) 2019 Facebook
+
+#define STROBE_MAX_INTS 2
+#define STROBE_MAX_STRS 25
+#define STROBE_MAX_MAPS 30
+#define STROBE_MAX_MAP_ENTRIES 20
+#define NO_UNROLL
+#include "strobemeta.h"
diff --git a/tools/testing/selftests/bpf/progs/strobemeta_subprogs.c b/tools/testing/selftests/bpf/progs/strobemeta_subprogs.c
new file mode 100644
index 000000000..b6c01f8fc
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/strobemeta_subprogs.c
@@ -0,0 +1,10 @@
+// SPDX-License-Identifier: (LGPL-2.1 OR BSD-2-Clause)
+// Copyright (c) 2019 Facebook
+
+#define STROBE_MAX_INTS 2
+#define STROBE_MAX_STRS 25
+#define STROBE_MAX_MAPS 13
+#define STROBE_MAX_MAP_ENTRIES 20
+#define NO_UNROLL
+#define SUBPROGS
+#include "strobemeta.h"
diff --git a/tools/testing/selftests/bpf/progs/syscall.c b/tools/testing/selftests/bpf/progs/syscall.c
new file mode 100644
index 000000000..e550f7289
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/syscall.c
@@ -0,0 +1,121 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2021 Facebook */
+#include <linux/stddef.h>
+#include <linux/bpf.h>
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_tracing.h>
+#include <../../../tools/include/linux/filter.h>
+#include <linux/btf.h>
+
+char _license[] SEC("license") = "GPL";
+
+struct args {
+	__u64 log_buf;
+	__u32 log_size;
+	int max_entries;
+	int map_fd;
+	int prog_fd;
+	int btf_fd;
+};
+
+#define BTF_INFO_ENC(kind, kind_flag, vlen) \
+	((!!(kind_flag) << 31) | ((kind) << 24) | ((vlen) & BTF_MAX_VLEN))
+#define BTF_TYPE_ENC(name, info, size_or_type) (name), (info), (size_or_type)
+#define BTF_INT_ENC(encoding, bits_offset, nr_bits) \
+	((encoding) << 24 | (bits_offset) << 16 | (nr_bits))
+#define BTF_TYPE_INT_ENC(name, encoding, bits_offset, bits, sz) \
+	BTF_TYPE_ENC(name, BTF_INFO_ENC(BTF_KIND_INT, 0, 0), sz), \
+	BTF_INT_ENC(encoding, bits_offset, bits)
+
+static int btf_load(void)
+{
+	struct btf_blob {
+		struct btf_header btf_hdr;
+		__u32 types[8];
+		__u32 str;
+	} raw_btf = {
+		.btf_hdr = {
+			.magic = BTF_MAGIC,
+			.version = BTF_VERSION,
+			.hdr_len = sizeof(struct btf_header),
+			.type_len = sizeof(__u32) * 8,
+			.str_off = sizeof(__u32) * 8,
+			.str_len = sizeof(__u32),
+		},
+		.types = {
+			/* long */
+			BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 64, 8),  /* [1] */
+			/* unsigned long */
+			BTF_TYPE_INT_ENC(0, 0, 0, 64, 8),  /* [2] */
+		},
+	};
+	static union bpf_attr btf_load_attr = {
+		.btf_size = sizeof(raw_btf),
+	};
+
+	btf_load_attr.btf = (long)&raw_btf;
+	return bpf_sys_bpf(BPF_BTF_LOAD, &btf_load_attr, sizeof(btf_load_attr));
+}
+
+SEC("syscall")
+int bpf_prog(struct args *ctx)
+{
+	static char license[] = "GPL";
+	static struct bpf_insn insns[] = {
+		BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+		BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+		BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+		BPF_LD_MAP_FD(BPF_REG_1, 0),
+		BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+		BPF_MOV64_IMM(BPF_REG_0, 0),
+		BPF_EXIT_INSN(),
+	};
+	static union bpf_attr map_create_attr = {
+		.map_type = BPF_MAP_TYPE_HASH,
+		.key_size = 8,
+		.value_size = 8,
+		.btf_key_type_id = 1,
+		.btf_value_type_id = 2,
+	};
+	static union bpf_attr map_update_attr = { .map_fd = 1, };
+	static __u64 key = 12;
+	static __u64 value = 34;
+	static union bpf_attr prog_load_attr = {
+		.prog_type = BPF_PROG_TYPE_XDP,
+		.insn_cnt = sizeof(insns) / sizeof(insns[0]),
+	};
+	int ret;
+
+	ret = btf_load();
+	if (ret <= 0)
+		return ret;
+
+	ctx->btf_fd = ret;
+	map_create_attr.max_entries = ctx->max_entries;
+	map_create_attr.btf_fd = ret;
+
+	prog_load_attr.license = (long) license;
+	prog_load_attr.insns = (long) insns;
+	prog_load_attr.log_buf = ctx->log_buf;
+	prog_load_attr.log_size = ctx->log_size;
+	prog_load_attr.log_level = 1;
+
+	ret = bpf_sys_bpf(BPF_MAP_CREATE, &map_create_attr, sizeof(map_create_attr));
+	if (ret <= 0)
+		return ret;
+	ctx->map_fd = ret;
+	insns[3].imm = ret;
+
+	map_update_attr.map_fd = ret;
+	map_update_attr.key = (long) &key;
+	map_update_attr.value = (long) &value;
+	ret = bpf_sys_bpf(BPF_MAP_UPDATE_ELEM, &map_update_attr, sizeof(map_update_attr));
+	if (ret < 0)
+		return ret;
+
+	ret = bpf_sys_bpf(BPF_PROG_LOAD, &prog_load_attr, sizeof(prog_load_attr));
+	if (ret <= 0)
+		return ret;
+	ctx->prog_fd = ret;
+	return 1;
+}
diff --git a/tools/testing/selftests/bpf/progs/tailcall1.c b/tools/testing/selftests/bpf/progs/tailcall1.c
new file mode 100644
index 000000000..8159a0b4a
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/tailcall1.c
@@ -0,0 +1,47 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <linux/bpf.h>
+
+#include <bpf/bpf_helpers.h>
+
+struct {
+	__uint(type, BPF_MAP_TYPE_PROG_ARRAY);
+	__uint(max_entries, 3);
+	__uint(key_size, sizeof(__u32));
+	__uint(value_size, sizeof(__u32));
+} jmp_table SEC(".maps");
+
+#define TAIL_FUNC(x) 				\
+	SEC("tc")				\
+	int classifier_##x(struct __sk_buff *skb)	\
+	{					\
+		return x;			\
+	}
+TAIL_FUNC(0)
+TAIL_FUNC(1)
+TAIL_FUNC(2)
+
+SEC("tc")
+int entry(struct __sk_buff *skb)
+{
+	/* Multiple locations to make sure we patch
+	 * all of them.
+	 */
+	bpf_tail_call_static(skb, &jmp_table, 0);
+	bpf_tail_call_static(skb, &jmp_table, 0);
+	bpf_tail_call_static(skb, &jmp_table, 0);
+	bpf_tail_call_static(skb, &jmp_table, 0);
+
+	bpf_tail_call_static(skb, &jmp_table, 1);
+	bpf_tail_call_static(skb, &jmp_table, 1);
+	bpf_tail_call_static(skb, &jmp_table, 1);
+	bpf_tail_call_static(skb, &jmp_table, 1);
+
+	bpf_tail_call_static(skb, &jmp_table, 2);
+	bpf_tail_call_static(skb, &jmp_table, 2);
+	bpf_tail_call_static(skb, &jmp_table, 2);
+	bpf_tail_call_static(skb, &jmp_table, 2);
+
+	return 3;
+}
+
+char __license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/tailcall2.c b/tools/testing/selftests/bpf/progs/tailcall2.c
new file mode 100644
index 000000000..a5ff53e61
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/tailcall2.c
@@ -0,0 +1,58 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <linux/bpf.h>
+
+#include <bpf/bpf_helpers.h>
+
+struct {
+	__uint(type, BPF_MAP_TYPE_PROG_ARRAY);
+	__uint(max_entries, 5);
+	__uint(key_size, sizeof(__u32));
+	__uint(value_size, sizeof(__u32));
+} jmp_table SEC(".maps");
+
+SEC("tc")
+int classifier_0(struct __sk_buff *skb)
+{
+	bpf_tail_call_static(skb, &jmp_table, 1);
+	return 0;
+}
+
+SEC("tc")
+int classifier_1(struct __sk_buff *skb)
+{
+	bpf_tail_call_static(skb, &jmp_table, 2);
+	return 1;
+}
+
+SEC("tc")
+int classifier_2(struct __sk_buff *skb)
+{
+	return 2;
+}
+
+SEC("tc")
+int classifier_3(struct __sk_buff *skb)
+{
+	bpf_tail_call_static(skb, &jmp_table, 4);
+	return 3;
+}
+
+SEC("tc")
+int classifier_4(struct __sk_buff *skb)
+{
+	bpf_tail_call_static(skb, &jmp_table, 3);
+	return 4;
+}
+
+SEC("tc")
+int entry(struct __sk_buff *skb)
+{
+	bpf_tail_call_static(skb, &jmp_table, 0);
+	/* Check multi-prog update. */
+	bpf_tail_call_static(skb, &jmp_table, 2);
+	/* Check tail call limit. */
+	bpf_tail_call_static(skb, &jmp_table, 3);
+	return 3;
+}
+
+char __license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/tailcall3.c b/tools/testing/selftests/bpf/progs/tailcall3.c
new file mode 100644
index 000000000..f60bcd7b8
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/tailcall3.c
@@ -0,0 +1,30 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <linux/bpf.h>
+
+#include <bpf/bpf_helpers.h>
+
+struct {
+	__uint(type, BPF_MAP_TYPE_PROG_ARRAY);
+	__uint(max_entries, 1);
+	__uint(key_size, sizeof(__u32));
+	__uint(value_size, sizeof(__u32));
+} jmp_table SEC(".maps");
+
+int count = 0;
+
+SEC("tc")
+int classifier_0(struct __sk_buff *skb)
+{
+	count++;
+	bpf_tail_call_static(skb, &jmp_table, 0);
+	return 1;
+}
+
+SEC("tc")
+int entry(struct __sk_buff *skb)
+{
+	bpf_tail_call_static(skb, &jmp_table, 0);
+	return 0;
+}
+
+char __license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/tailcall4.c b/tools/testing/selftests/bpf/progs/tailcall4.c
new file mode 100644
index 000000000..a56bbc231
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/tailcall4.c
@@ -0,0 +1,32 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <linux/bpf.h>
+
+#include <bpf/bpf_helpers.h>
+
+struct {
+	__uint(type, BPF_MAP_TYPE_PROG_ARRAY);
+	__uint(max_entries, 3);
+	__uint(key_size, sizeof(__u32));
+	__uint(value_size, sizeof(__u32));
+} jmp_table SEC(".maps");
+
+int selector = 0;
+
+#define TAIL_FUNC(x)				\
+	SEC("tc")				\
+	int classifier_##x(struct __sk_buff *skb)	\
+	{					\
+		return x;			\
+	}
+TAIL_FUNC(0)
+TAIL_FUNC(1)
+TAIL_FUNC(2)
+
+SEC("tc")
+int entry(struct __sk_buff *skb)
+{
+	bpf_tail_call(skb, &jmp_table, selector);
+	return 3;
+}
+
+char __license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/tailcall5.c b/tools/testing/selftests/bpf/progs/tailcall5.c
new file mode 100644
index 000000000..8d03496eb
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/tailcall5.c
@@ -0,0 +1,39 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <linux/bpf.h>
+
+#include <bpf/bpf_helpers.h>
+
+struct {
+	__uint(type, BPF_MAP_TYPE_PROG_ARRAY);
+	__uint(max_entries, 3);
+	__uint(key_size, sizeof(__u32));
+	__uint(value_size, sizeof(__u32));
+} jmp_table SEC(".maps");
+
+int selector = 0;
+
+#define TAIL_FUNC(x)				\
+	SEC("tc")				\
+	int classifier_##x(struct __sk_buff *skb)	\
+	{					\
+		return x;			\
+	}
+TAIL_FUNC(0)
+TAIL_FUNC(1)
+TAIL_FUNC(2)
+
+SEC("tc")
+int entry(struct __sk_buff *skb)
+{
+	int idx = 0;
+
+	if (selector == 1234)
+		idx = 1;
+	else if (selector == 5678)
+		idx = 2;
+
+	bpf_tail_call(skb, &jmp_table, idx);
+	return 3;
+}
+
+char __license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/tailcall6.c b/tools/testing/selftests/bpf/progs/tailcall6.c
new file mode 100644
index 000000000..d77b8abd6
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/tailcall6.c
@@ -0,0 +1,34 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <linux/bpf.h>
+
+#include <bpf/bpf_helpers.h>
+
+struct {
+	__uint(type, BPF_MAP_TYPE_PROG_ARRAY);
+	__uint(max_entries, 1);
+	__uint(key_size, sizeof(__u32));
+	__uint(value_size, sizeof(__u32));
+} jmp_table SEC(".maps");
+
+int count, which;
+
+SEC("tc")
+int classifier_0(struct __sk_buff *skb)
+{
+	count++;
+	if (__builtin_constant_p(which))
+		__bpf_unreachable();
+	bpf_tail_call(skb, &jmp_table, which);
+	return 1;
+}
+
+SEC("tc")
+int entry(struct __sk_buff *skb)
+{
+	if (__builtin_constant_p(which))
+		__bpf_unreachable();
+	bpf_tail_call(skb, &jmp_table, which);
+	return 0;
+}
+
+char __license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/tailcall_bpf2bpf1.c b/tools/testing/selftests/bpf/progs/tailcall_bpf2bpf1.c
new file mode 100644
index 000000000..8c91428de
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/tailcall_bpf2bpf1.c
@@ -0,0 +1,37 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <linux/bpf.h>
+#include <bpf/bpf_helpers.h>
+
+struct {
+	__uint(type, BPF_MAP_TYPE_PROG_ARRAY);
+	__uint(max_entries, 2);
+	__uint(key_size, sizeof(__u32));
+	__uint(value_size, sizeof(__u32));
+} jmp_table SEC(".maps");
+
+#define TAIL_FUNC(x) 				\
+	SEC("tc")				\
+	int classifier_##x(struct __sk_buff *skb)	\
+	{					\
+		return x;			\
+	}
+TAIL_FUNC(0)
+TAIL_FUNC(1)
+
+static __noinline
+int subprog_tail(struct __sk_buff *skb)
+{
+	bpf_tail_call_static(skb, &jmp_table, 0);
+
+	return skb->len * 2;
+}
+
+SEC("tc")
+int entry(struct __sk_buff *skb)
+{
+	bpf_tail_call_static(skb, &jmp_table, 1);
+
+	return subprog_tail(skb);
+}
+
+char __license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/tailcall_bpf2bpf2.c b/tools/testing/selftests/bpf/progs/tailcall_bpf2bpf2.c
new file mode 100644
index 000000000..ce97d141d
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/tailcall_bpf2bpf2.c
@@ -0,0 +1,40 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <linux/bpf.h>
+#include <bpf/bpf_helpers.h>
+#include "bpf_legacy.h"
+
+struct {
+	__uint(type, BPF_MAP_TYPE_PROG_ARRAY);
+	__uint(max_entries, 1);
+	__uint(key_size, sizeof(__u32));
+	__uint(value_size, sizeof(__u32));
+} jmp_table SEC(".maps");
+
+static __noinline
+int subprog_tail(struct __sk_buff *skb)
+{
+	if (load_byte(skb, 0))
+		bpf_tail_call_static(skb, &jmp_table, 1);
+	else
+		bpf_tail_call_static(skb, &jmp_table, 0);
+	return 1;
+}
+
+int count = 0;
+
+SEC("tc")
+int classifier_0(struct __sk_buff *skb)
+{
+	count++;
+	return subprog_tail(skb);
+}
+
+SEC("tc")
+int entry(struct __sk_buff *skb)
+{
+	bpf_tail_call_static(skb, &jmp_table, 0);
+
+	return 0;
+}
+
+char __license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/tailcall_bpf2bpf3.c b/tools/testing/selftests/bpf/progs/tailcall_bpf2bpf3.c
new file mode 100644
index 000000000..7fab39a3b
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/tailcall_bpf2bpf3.c
@@ -0,0 +1,60 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <linux/bpf.h>
+#include <bpf/bpf_helpers.h>
+#include "bpf_legacy.h"
+
+struct {
+	__uint(type, BPF_MAP_TYPE_PROG_ARRAY);
+	__uint(max_entries, 2);
+	__uint(key_size, sizeof(__u32));
+	__uint(value_size, sizeof(__u32));
+} jmp_table SEC(".maps");
+
+__noinline
+int subprog_tail2(struct __sk_buff *skb)
+{
+	volatile char arr[64] = {};
+
+	if (load_word(skb, 0) || load_half(skb, 0))
+		bpf_tail_call_static(skb, &jmp_table, 10);
+	else
+		bpf_tail_call_static(skb, &jmp_table, 1);
+
+	return skb->len;
+}
+
+static __noinline
+int subprog_tail(struct __sk_buff *skb)
+{
+	volatile char arr[64] = {};
+
+	bpf_tail_call_static(skb, &jmp_table, 0);
+
+	return skb->len * 2;
+}
+
+SEC("tc")
+int classifier_0(struct __sk_buff *skb)
+{
+	volatile char arr[128] = {};
+
+	return subprog_tail2(skb);
+}
+
+SEC("tc")
+int classifier_1(struct __sk_buff *skb)
+{
+	volatile char arr[128] = {};
+
+	return skb->len * 3;
+}
+
+SEC("tc")
+int entry(struct __sk_buff *skb)
+{
+	volatile char arr[128] = {};
+
+	return subprog_tail(skb);
+}
+
+char __license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/tailcall_bpf2bpf4.c b/tools/testing/selftests/bpf/progs/tailcall_bpf2bpf4.c
new file mode 100644
index 000000000..a017d6b2f
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/tailcall_bpf2bpf4.c
@@ -0,0 +1,78 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <linux/bpf.h>
+#include <bpf/bpf_helpers.h>
+
+struct {
+	__uint(type, BPF_MAP_TYPE_ARRAY);
+	__uint(max_entries, 1);
+	__uint(key_size, sizeof(__u32));
+	__uint(value_size, sizeof(__u32));
+} nop_table SEC(".maps");
+
+struct {
+	__uint(type, BPF_MAP_TYPE_PROG_ARRAY);
+	__uint(max_entries, 3);
+	__uint(key_size, sizeof(__u32));
+	__uint(value_size, sizeof(__u32));
+} jmp_table SEC(".maps");
+
+int count = 0;
+int noise = 0;
+
+static __always_inline int subprog_noise(void)
+{
+	__u32 key = 0;
+
+	bpf_map_lookup_elem(&nop_table, &key);
+	return 0;
+}
+
+__noinline
+int subprog_tail_2(struct __sk_buff *skb)
+{
+	if (noise)
+		subprog_noise();
+	bpf_tail_call_static(skb, &jmp_table, 2);
+	return skb->len * 3;
+}
+
+__noinline
+int subprog_tail_1(struct __sk_buff *skb)
+{
+	bpf_tail_call_static(skb, &jmp_table, 1);
+	return skb->len * 2;
+}
+
+__noinline
+int subprog_tail(struct __sk_buff *skb)
+{
+	bpf_tail_call_static(skb, &jmp_table, 0);
+	return skb->len;
+}
+
+SEC("tc")
+int classifier_1(struct __sk_buff *skb)
+{
+	return subprog_tail_2(skb);
+}
+
+SEC("tc")
+int classifier_2(struct __sk_buff *skb)
+{
+	count++;
+	return subprog_tail_2(skb);
+}
+
+SEC("tc")
+int classifier_0(struct __sk_buff *skb)
+{
+	return subprog_tail_1(skb);
+}
+
+SEC("tc")
+int entry(struct __sk_buff *skb)
+{
+	return subprog_tail(skb);
+}
+
+char __license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/tailcall_bpf2bpf6.c b/tools/testing/selftests/bpf/progs/tailcall_bpf2bpf6.c
new file mode 100644
index 000000000..41ce83da7
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/tailcall_bpf2bpf6.c
@@ -0,0 +1,42 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <linux/bpf.h>
+#include <bpf/bpf_helpers.h>
+
+#define __unused __attribute__((unused))
+
+struct {
+	__uint(type, BPF_MAP_TYPE_PROG_ARRAY);
+	__uint(max_entries, 1);
+	__uint(key_size, sizeof(__u32));
+	__uint(value_size, sizeof(__u32));
+} jmp_table SEC(".maps");
+
+int done = 0;
+
+SEC("tc")
+int classifier_0(struct __sk_buff *skb __unused)
+{
+	done = 1;
+	return 0;
+}
+
+static __noinline
+int subprog_tail(struct __sk_buff *skb)
+{
+	/* Don't propagate the constant to the caller */
+	volatile int ret = 1;
+
+	bpf_tail_call_static(skb, &jmp_table, 0);
+	return ret;
+}
+
+SEC("tc")
+int entry(struct __sk_buff *skb)
+{
+	/* Have data on stack which size is not a multiple of 8 */
+	volatile char arr[1] = {};
+
+	return subprog_tail(skb);
+}
+
+char __license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/task_local_storage.c b/tools/testing/selftests/bpf/progs/task_local_storage.c
new file mode 100644
index 000000000..80a0a20db
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/task_local_storage.c
@@ -0,0 +1,64 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2021 Facebook */
+
+#include "vmlinux.h"
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_tracing.h>
+
+char _license[] SEC("license") = "GPL";
+
+struct {
+	__uint(type, BPF_MAP_TYPE_TASK_STORAGE);
+	__uint(map_flags, BPF_F_NO_PREALLOC);
+	__type(key, int);
+	__type(value, long);
+} enter_id SEC(".maps");
+
+#define MAGIC_VALUE 0xabcd1234
+
+pid_t target_pid = 0;
+int mismatch_cnt = 0;
+int enter_cnt = 0;
+int exit_cnt = 0;
+
+SEC("tp_btf/sys_enter")
+int BPF_PROG(on_enter, struct pt_regs *regs, long id)
+{
+	struct task_struct *task;
+	long *ptr;
+
+	task = bpf_get_current_task_btf();
+	if (task->pid != target_pid)
+		return 0;
+
+	ptr = bpf_task_storage_get(&enter_id, task, 0,
+				   BPF_LOCAL_STORAGE_GET_F_CREATE);
+	if (!ptr)
+		return 0;
+
+	__sync_fetch_and_add(&enter_cnt, 1);
+	*ptr = MAGIC_VALUE + enter_cnt;
+
+	return 0;
+}
+
+SEC("tp_btf/sys_exit")
+int BPF_PROG(on_exit, struct pt_regs *regs, long id)
+{
+	struct task_struct *task;
+	long *ptr;
+
+	task = bpf_get_current_task_btf();
+	if (task->pid != target_pid)
+		return 0;
+
+	ptr = bpf_task_storage_get(&enter_id, task, 0,
+				   BPF_LOCAL_STORAGE_GET_F_CREATE);
+	if (!ptr)
+		return 0;
+
+	__sync_fetch_and_add(&exit_cnt, 1);
+	if (*ptr != MAGIC_VALUE + exit_cnt)
+		__sync_fetch_and_add(&mismatch_cnt, 1);
+	return 0;
+}
diff --git a/tools/testing/selftests/bpf/progs/task_local_storage_exit_creds.c b/tools/testing/selftests/bpf/progs/task_local_storage_exit_creds.c
new file mode 100644
index 000000000..81758c0ae
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/task_local_storage_exit_creds.c
@@ -0,0 +1,32 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2021 Facebook */
+
+#include "vmlinux.h"
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_tracing.h>
+
+char _license[] SEC("license") = "GPL";
+
+struct {
+	__uint(type, BPF_MAP_TYPE_TASK_STORAGE);
+	__uint(map_flags, BPF_F_NO_PREALLOC);
+	__type(key, int);
+	__type(value, __u64);
+} task_storage SEC(".maps");
+
+int valid_ptr_count = 0;
+int null_ptr_count = 0;
+
+SEC("fentry/exit_creds")
+int BPF_PROG(trace_exit_creds, struct task_struct *task)
+{
+	__u64 *ptr;
+
+	ptr = bpf_task_storage_get(&task_storage, task, 0,
+				   BPF_LOCAL_STORAGE_GET_F_CREATE);
+	if (ptr)
+		__sync_fetch_and_add(&valid_ptr_count, 1);
+	else
+		__sync_fetch_and_add(&null_ptr_count, 1);
+	return 0;
+}
diff --git a/tools/testing/selftests/bpf/progs/task_ls_recursion.c b/tools/testing/selftests/bpf/progs/task_ls_recursion.c
new file mode 100644
index 000000000..564583dca
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/task_ls_recursion.c
@@ -0,0 +1,70 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2021 Facebook */
+
+#include "vmlinux.h"
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_tracing.h>
+
+char _license[] SEC("license") = "GPL";
+
+struct {
+	__uint(type, BPF_MAP_TYPE_TASK_STORAGE);
+	__uint(map_flags, BPF_F_NO_PREALLOC);
+	__type(key, int);
+	__type(value, long);
+} map_a SEC(".maps");
+
+struct {
+	__uint(type, BPF_MAP_TYPE_TASK_STORAGE);
+	__uint(map_flags, BPF_F_NO_PREALLOC);
+	__type(key, int);
+	__type(value, long);
+} map_b SEC(".maps");
+
+SEC("fentry/bpf_local_storage_lookup")
+int BPF_PROG(on_lookup)
+{
+	struct task_struct *task = bpf_get_current_task_btf();
+
+	bpf_task_storage_delete(&map_a, task);
+	bpf_task_storage_delete(&map_b, task);
+	return 0;
+}
+
+SEC("fentry/bpf_local_storage_update")
+int BPF_PROG(on_update)
+{
+	struct task_struct *task = bpf_get_current_task_btf();
+	long *ptr;
+
+	ptr = bpf_task_storage_get(&map_a, task, 0,
+				   BPF_LOCAL_STORAGE_GET_F_CREATE);
+	if (ptr)
+		*ptr += 1;
+
+	ptr = bpf_task_storage_get(&map_b, task, 0,
+				   BPF_LOCAL_STORAGE_GET_F_CREATE);
+	if (ptr)
+		*ptr += 1;
+
+	return 0;
+}
+
+SEC("tp_btf/sys_enter")
+int BPF_PROG(on_enter, struct pt_regs *regs, long id)
+{
+	struct task_struct *task;
+	long *ptr;
+
+	task = bpf_get_current_task_btf();
+	ptr = bpf_task_storage_get(&map_a, task, 0,
+				   BPF_LOCAL_STORAGE_GET_F_CREATE);
+	if (ptr)
+		*ptr = 200;
+
+	ptr = bpf_task_storage_get(&map_b, task, 0,
+				   BPF_LOCAL_STORAGE_GET_F_CREATE);
+	if (ptr)
+		*ptr = 100;
+	return 0;
+}
diff --git a/tools/testing/selftests/bpf/progs/tcp_ca_incompl_cong_ops.c b/tools/testing/selftests/bpf/progs/tcp_ca_incompl_cong_ops.c
new file mode 100644
index 000000000..7bb872fb2
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/tcp_ca_incompl_cong_ops.c
@@ -0,0 +1,35 @@
+// SPDX-License-Identifier: GPL-2.0
+
+#include "vmlinux.h"
+
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_tracing.h>
+
+char _license[] SEC("license") = "GPL";
+
+static inline struct tcp_sock *tcp_sk(const struct sock *sk)
+{
+	return (struct tcp_sock *)sk;
+}
+
+SEC("struct_ops/incompl_cong_ops_ssthresh")
+__u32 BPF_PROG(incompl_cong_ops_ssthresh, struct sock *sk)
+{
+	return tcp_sk(sk)->snd_ssthresh;
+}
+
+SEC("struct_ops/incompl_cong_ops_undo_cwnd")
+__u32 BPF_PROG(incompl_cong_ops_undo_cwnd, struct sock *sk)
+{
+	return tcp_sk(sk)->snd_cwnd;
+}
+
+SEC(".struct_ops")
+struct tcp_congestion_ops incompl_cong_ops = {
+	/* Intentionally leaving out any of the required cong_avoid() and
+	 * cong_control() here.
+	 */
+	.ssthresh = (void *)incompl_cong_ops_ssthresh,
+	.undo_cwnd = (void *)incompl_cong_ops_undo_cwnd,
+	.name = "bpf_incompl_ops",
+};
diff --git a/tools/testing/selftests/bpf/progs/tcp_ca_unsupp_cong_op.c b/tools/testing/selftests/bpf/progs/tcp_ca_unsupp_cong_op.c
new file mode 100644
index 000000000..c06f4a41c
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/tcp_ca_unsupp_cong_op.c
@@ -0,0 +1,21 @@
+// SPDX-License-Identifier: GPL-2.0
+
+#include "vmlinux.h"
+
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_tracing.h>
+
+char _license[] SEC("license") = "GPL";
+
+SEC("struct_ops/unsupp_cong_op_get_info")
+size_t BPF_PROG(unsupp_cong_op_get_info, struct sock *sk, u32 ext, int *attr,
+		union tcp_cc_info *info)
+{
+	return 0;
+}
+
+SEC(".struct_ops")
+struct tcp_congestion_ops unsupp_cong_op = {
+	.get_info = (void *)unsupp_cong_op_get_info,
+	.name = "bpf_unsupp_op",
+};
diff --git a/tools/testing/selftests/bpf/progs/tcp_ca_write_sk_pacing.c b/tools/testing/selftests/bpf/progs/tcp_ca_write_sk_pacing.c
new file mode 100644
index 000000000..43447704c
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/tcp_ca_write_sk_pacing.c
@@ -0,0 +1,60 @@
+// SPDX-License-Identifier: GPL-2.0
+
+#include "vmlinux.h"
+
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_tracing.h>
+
+char _license[] SEC("license") = "GPL";
+
+#define USEC_PER_SEC 1000000UL
+
+#define min(a, b) ((a) < (b) ? (a) : (b))
+
+static inline struct tcp_sock *tcp_sk(const struct sock *sk)
+{
+	return (struct tcp_sock *)sk;
+}
+
+SEC("struct_ops/write_sk_pacing_init")
+void BPF_PROG(write_sk_pacing_init, struct sock *sk)
+{
+#ifdef ENABLE_ATOMICS_TESTS
+	__sync_bool_compare_and_swap(&sk->sk_pacing_status, SK_PACING_NONE,
+				     SK_PACING_NEEDED);
+#else
+	sk->sk_pacing_status = SK_PACING_NEEDED;
+#endif
+}
+
+SEC("struct_ops/write_sk_pacing_cong_control")
+void BPF_PROG(write_sk_pacing_cong_control, struct sock *sk,
+	      const struct rate_sample *rs)
+{
+	const struct tcp_sock *tp = tcp_sk(sk);
+	unsigned long rate =
+		((tp->snd_cwnd * tp->mss_cache * USEC_PER_SEC) << 3) /
+		(tp->srtt_us ?: 1U << 3);
+	sk->sk_pacing_rate = min(rate, sk->sk_max_pacing_rate);
+}
+
+SEC("struct_ops/write_sk_pacing_ssthresh")
+__u32 BPF_PROG(write_sk_pacing_ssthresh, struct sock *sk)
+{
+	return tcp_sk(sk)->snd_ssthresh;
+}
+
+SEC("struct_ops/write_sk_pacing_undo_cwnd")
+__u32 BPF_PROG(write_sk_pacing_undo_cwnd, struct sock *sk)
+{
+	return tcp_sk(sk)->snd_cwnd;
+}
+
+SEC(".struct_ops")
+struct tcp_congestion_ops write_sk_pacing = {
+	.init = (void *)write_sk_pacing_init,
+	.cong_control = (void *)write_sk_pacing_cong_control,
+	.ssthresh = (void *)write_sk_pacing_ssthresh,
+	.undo_cwnd = (void *)write_sk_pacing_undo_cwnd,
+	.name = "bpf_w_sk_pacing",
+};
diff --git a/tools/testing/selftests/bpf/progs/tcp_rtt.c b/tools/testing/selftests/bpf/progs/tcp_rtt.c
new file mode 100644
index 000000000..0988d79f1
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/tcp_rtt.c
@@ -0,0 +1,59 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <linux/bpf.h>
+#include <bpf/bpf_helpers.h>
+
+char _license[] SEC("license") = "GPL";
+
+struct tcp_rtt_storage {
+	__u32 invoked;
+	__u32 dsack_dups;
+	__u32 delivered;
+	__u32 delivered_ce;
+	__u32 icsk_retransmits;
+};
+
+struct {
+	__uint(type, BPF_MAP_TYPE_SK_STORAGE);
+	__uint(map_flags, BPF_F_NO_PREALLOC);
+	__type(key, int);
+	__type(value, struct tcp_rtt_storage);
+} socket_storage_map SEC(".maps");
+
+SEC("sockops")
+int _sockops(struct bpf_sock_ops *ctx)
+{
+	struct tcp_rtt_storage *storage;
+	struct bpf_tcp_sock *tcp_sk;
+	int op = (int) ctx->op;
+	struct bpf_sock *sk;
+
+	sk = ctx->sk;
+	if (!sk)
+		return 1;
+
+	storage = bpf_sk_storage_get(&socket_storage_map, sk, 0,
+				     BPF_SK_STORAGE_GET_F_CREATE);
+	if (!storage)
+		return 1;
+
+	if (op == BPF_SOCK_OPS_TCP_CONNECT_CB) {
+		bpf_sock_ops_cb_flags_set(ctx, BPF_SOCK_OPS_RTT_CB_FLAG);
+		return 1;
+	}
+
+	if (op != BPF_SOCK_OPS_RTT_CB)
+		return 1;
+
+	tcp_sk = bpf_tcp_sock(sk);
+	if (!tcp_sk)
+		return 1;
+
+	storage->invoked++;
+
+	storage->dsack_dups = tcp_sk->dsack_dups;
+	storage->delivered = tcp_sk->delivered;
+	storage->delivered_ce = tcp_sk->delivered_ce;
+	storage->icsk_retransmits = tcp_sk->icsk_retransmits;
+
+	return 1;
+}
diff --git a/tools/testing/selftests/bpf/progs/test_attach_probe.c b/tools/testing/selftests/bpf/progs/test_attach_probe.c
new file mode 100644
index 000000000..a1e45fec8
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_attach_probe.c
@@ -0,0 +1,155 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (c) 2017 Facebook
+
+#include "vmlinux.h"
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_tracing.h>
+#include <bpf/bpf_core_read.h>
+#include "bpf_misc.h"
+
+int kprobe_res = 0;
+int kprobe2_res = 0;
+int kretprobe_res = 0;
+int kretprobe2_res = 0;
+int uprobe_res = 0;
+int uretprobe_res = 0;
+int uprobe_byname_res = 0;
+int uretprobe_byname_res = 0;
+int uprobe_byname2_res = 0;
+int uretprobe_byname2_res = 0;
+int uprobe_byname3_sleepable_res = 0;
+int uprobe_byname3_res = 0;
+int uretprobe_byname3_sleepable_res = 0;
+int uretprobe_byname3_res = 0;
+void *user_ptr = 0;
+
+SEC("kprobe")
+int handle_kprobe(struct pt_regs *ctx)
+{
+	kprobe_res = 1;
+	return 0;
+}
+
+SEC("ksyscall/nanosleep")
+int BPF_KSYSCALL(handle_kprobe_auto, struct __kernel_timespec *req, struct __kernel_timespec *rem)
+{
+	kprobe2_res = 11;
+	return 0;
+}
+
+/**
+ * This program will be manually made sleepable on the userspace side
+ * and should thus be unattachable.
+ */
+SEC("kprobe/" SYS_PREFIX "sys_nanosleep")
+int handle_kprobe_sleepable(struct pt_regs *ctx)
+{
+	kprobe_res = 2;
+	return 0;
+}
+
+SEC("kretprobe")
+int handle_kretprobe(struct pt_regs *ctx)
+{
+	kretprobe_res = 2;
+	return 0;
+}
+
+SEC("kretsyscall/nanosleep")
+int BPF_KRETPROBE(handle_kretprobe_auto, int ret)
+{
+	kretprobe2_res = 22;
+	return ret;
+}
+
+SEC("uprobe")
+int handle_uprobe(struct pt_regs *ctx)
+{
+	uprobe_res = 3;
+	return 0;
+}
+
+SEC("uretprobe")
+int handle_uretprobe(struct pt_regs *ctx)
+{
+	uretprobe_res = 4;
+	return 0;
+}
+
+SEC("uprobe")
+int handle_uprobe_byname(struct pt_regs *ctx)
+{
+	uprobe_byname_res = 5;
+	return 0;
+}
+
+/* use auto-attach format for section definition. */
+SEC("uretprobe//proc/self/exe:trigger_func2")
+int handle_uretprobe_byname(struct pt_regs *ctx)
+{
+	uretprobe_byname_res = 6;
+	return 0;
+}
+
+SEC("uprobe")
+int handle_uprobe_byname2(struct pt_regs *ctx)
+{
+	unsigned int size = PT_REGS_PARM1(ctx);
+
+	/* verify malloc size */
+	if (size == 1)
+		uprobe_byname2_res = 7;
+	return 0;
+}
+
+SEC("uretprobe")
+int handle_uretprobe_byname2(struct pt_regs *ctx)
+{
+	uretprobe_byname2_res = 8;
+	return 0;
+}
+
+static __always_inline bool verify_sleepable_user_copy(void)
+{
+	char data[9];
+
+	bpf_copy_from_user(data, sizeof(data), user_ptr);
+	return bpf_strncmp(data, sizeof(data), "test_data") == 0;
+}
+
+SEC("uprobe.s//proc/self/exe:trigger_func3")
+int handle_uprobe_byname3_sleepable(struct pt_regs *ctx)
+{
+	if (verify_sleepable_user_copy())
+		uprobe_byname3_sleepable_res = 9;
+	return 0;
+}
+
+/**
+ * same target as the uprobe.s above to force sleepable and non-sleepable
+ * programs in the same bpf_prog_array
+ */
+SEC("uprobe//proc/self/exe:trigger_func3")
+int handle_uprobe_byname3(struct pt_regs *ctx)
+{
+	uprobe_byname3_res = 10;
+	return 0;
+}
+
+SEC("uretprobe.s//proc/self/exe:trigger_func3")
+int handle_uretprobe_byname3_sleepable(struct pt_regs *ctx)
+{
+	if (verify_sleepable_user_copy())
+		uretprobe_byname3_sleepable_res = 11;
+	return 0;
+}
+
+SEC("uretprobe//proc/self/exe:trigger_func3")
+int handle_uretprobe_byname3(struct pt_regs *ctx)
+{
+	uretprobe_byname3_res = 12;
+	return 0;
+}
+
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/test_autoattach.c b/tools/testing/selftests/bpf/progs/test_autoattach.c
new file mode 100644
index 000000000..11a44493e
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_autoattach.c
@@ -0,0 +1,23 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2022 Google */
+
+#include "vmlinux.h"
+#include <bpf/bpf_tracing.h>
+
+bool prog1_called = false;
+bool prog2_called = false;
+
+SEC("raw_tp/sys_enter")
+int prog1(const void *ctx)
+{
+	prog1_called = true;
+	return 0;
+}
+
+SEC("raw_tp/sys_exit")
+int prog2(const void *ctx)
+{
+	prog2_called = true;
+	return 0;
+}
+
diff --git a/tools/testing/selftests/bpf/progs/test_autoload.c b/tools/testing/selftests/bpf/progs/test_autoload.c
new file mode 100644
index 000000000..62c8cdec6
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_autoload.c
@@ -0,0 +1,40 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2020 Facebook */
+
+#include "vmlinux.h"
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_tracing.h>
+#include <bpf/bpf_core_read.h>
+
+bool prog1_called = false;
+bool prog2_called = false;
+bool prog3_called = false;
+
+SEC("raw_tp/sys_enter")
+int prog1(const void *ctx)
+{
+	prog1_called = true;
+	return 0;
+}
+
+SEC("raw_tp/sys_exit")
+int prog2(const void *ctx)
+{
+	prog2_called = true;
+	return 0;
+}
+
+struct fake_kernel_struct {
+	int whatever;
+} __attribute__((preserve_access_index));
+
+SEC("fentry/unexisting-kprobe-will-fail-if-loaded")
+int prog3(const void *ctx)
+{
+	struct fake_kernel_struct *fake = (void *)ctx;
+	fake->whatever = 123;
+	prog3_called = true;
+	return 0;
+}
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/test_bpf_cookie.c b/tools/testing/selftests/bpf/progs/test_bpf_cookie.c
new file mode 100644
index 000000000..5a3a80f75
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_bpf_cookie.c
@@ -0,0 +1,121 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2021 Facebook */
+
+#include "vmlinux.h"
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_tracing.h>
+#include <errno.h>
+
+int my_tid;
+
+__u64 kprobe_res;
+__u64 kprobe_multi_res;
+__u64 kretprobe_res;
+__u64 uprobe_res;
+__u64 uretprobe_res;
+__u64 tp_res;
+__u64 pe_res;
+__u64 fentry_res;
+__u64 fexit_res;
+__u64 fmod_ret_res;
+__u64 lsm_res;
+
+static void update(void *ctx, __u64 *res)
+{
+	if (my_tid != (u32)bpf_get_current_pid_tgid())
+		return;
+
+	*res |= bpf_get_attach_cookie(ctx);
+}
+
+SEC("kprobe")
+int handle_kprobe(struct pt_regs *ctx)
+{
+	update(ctx, &kprobe_res);
+	return 0;
+}
+
+SEC("kretprobe")
+int handle_kretprobe(struct pt_regs *ctx)
+{
+	update(ctx, &kretprobe_res);
+	return 0;
+}
+
+SEC("uprobe")
+int handle_uprobe(struct pt_regs *ctx)
+{
+	update(ctx, &uprobe_res);
+	return 0;
+}
+
+SEC("uretprobe")
+int handle_uretprobe(struct pt_regs *ctx)
+{
+	update(ctx, &uretprobe_res);
+	return 0;
+}
+
+/* bpf_prog_array, used by kernel internally to keep track of attached BPF
+ * programs to a given BPF hook (e.g., for tracepoints) doesn't allow the same
+ * BPF program to be attached multiple times. So have three identical copies
+ * ready to attach to the same tracepoint.
+ */
+SEC("tp/syscalls/sys_enter_nanosleep")
+int handle_tp1(struct pt_regs *ctx)
+{
+	update(ctx, &tp_res);
+	return 0;
+}
+SEC("tp/syscalls/sys_enter_nanosleep")
+int handle_tp2(struct pt_regs *ctx)
+{
+	update(ctx, &tp_res);
+	return 0;
+}
+SEC("tp/syscalls/sys_enter_nanosleep")
+int handle_tp3(void *ctx)
+{
+	update(ctx, &tp_res);
+	return 1;
+}
+
+SEC("perf_event")
+int handle_pe(struct pt_regs *ctx)
+{
+	update(ctx, &pe_res);
+	return 0;
+}
+
+SEC("fentry/bpf_fentry_test1")
+int BPF_PROG(fentry_test1, int a)
+{
+	update(ctx, &fentry_res);
+	return 0;
+}
+
+SEC("fexit/bpf_fentry_test1")
+int BPF_PROG(fexit_test1, int a, int ret)
+{
+	update(ctx, &fexit_res);
+	return 0;
+}
+
+SEC("fmod_ret/bpf_modify_return_test")
+int BPF_PROG(fmod_ret_test, int _a, int *_b, int _ret)
+{
+	update(ctx, &fmod_ret_res);
+	return 1234;
+}
+
+SEC("lsm/file_mprotect")
+int BPF_PROG(test_int_hook, struct vm_area_struct *vma,
+	     unsigned long reqprot, unsigned long prot, int ret)
+{
+	if (my_tid != (u32)bpf_get_current_pid_tgid())
+		return ret;
+	update(ctx, &lsm_res);
+	return -EPERM;
+}
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/test_bpf_nf.c b/tools/testing/selftests/bpf/progs/test_bpf_nf.c
new file mode 100644
index 000000000..9fc603c9d
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_bpf_nf.c
@@ -0,0 +1,238 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <vmlinux.h>
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_endian.h>
+
+#define EAFNOSUPPORT 97
+#define EPROTO 71
+#define ENONET 64
+#define EINVAL 22
+#define ENOENT 2
+
+extern unsigned long CONFIG_HZ __kconfig;
+
+int test_einval_bpf_tuple = 0;
+int test_einval_reserved = 0;
+int test_einval_netns_id = 0;
+int test_einval_len_opts = 0;
+int test_eproto_l4proto = 0;
+int test_enonet_netns_id = 0;
+int test_enoent_lookup = 0;
+int test_eafnosupport = 0;
+int test_alloc_entry = -EINVAL;
+int test_insert_entry = -EAFNOSUPPORT;
+int test_succ_lookup = -ENOENT;
+u32 test_delta_timeout = 0;
+u32 test_status = 0;
+u32 test_insert_lookup_mark = 0;
+int test_snat_addr = -EINVAL;
+int test_dnat_addr = -EINVAL;
+__be32 saddr = 0;
+__be16 sport = 0;
+__be32 daddr = 0;
+__be16 dport = 0;
+int test_exist_lookup = -ENOENT;
+u32 test_exist_lookup_mark = 0;
+
+enum nf_nat_manip_type___local {
+	NF_NAT_MANIP_SRC___local,
+	NF_NAT_MANIP_DST___local
+};
+
+struct nf_conn;
+
+struct bpf_ct_opts___local {
+	s32 netns_id;
+	s32 error;
+	u8 l4proto;
+	u8 reserved[3];
+} __attribute__((preserve_access_index));
+
+struct nf_conn *bpf_xdp_ct_alloc(struct xdp_md *, struct bpf_sock_tuple *, u32,
+				 struct bpf_ct_opts___local *, u32) __ksym;
+struct nf_conn *bpf_xdp_ct_lookup(struct xdp_md *, struct bpf_sock_tuple *, u32,
+				  struct bpf_ct_opts___local *, u32) __ksym;
+struct nf_conn *bpf_skb_ct_alloc(struct __sk_buff *, struct bpf_sock_tuple *, u32,
+				 struct bpf_ct_opts___local *, u32) __ksym;
+struct nf_conn *bpf_skb_ct_lookup(struct __sk_buff *, struct bpf_sock_tuple *, u32,
+				  struct bpf_ct_opts___local *, u32) __ksym;
+struct nf_conn *bpf_ct_insert_entry(struct nf_conn *) __ksym;
+void bpf_ct_release(struct nf_conn *) __ksym;
+void bpf_ct_set_timeout(struct nf_conn *, u32) __ksym;
+int bpf_ct_change_timeout(struct nf_conn *, u32) __ksym;
+int bpf_ct_set_status(struct nf_conn *, u32) __ksym;
+int bpf_ct_change_status(struct nf_conn *, u32) __ksym;
+int bpf_ct_set_nat_info(struct nf_conn *, union nf_inet_addr *,
+			int port, enum nf_nat_manip_type___local) __ksym;
+
+static __always_inline void
+nf_ct_test(struct nf_conn *(*lookup_fn)(void *, struct bpf_sock_tuple *, u32,
+					struct bpf_ct_opts___local *, u32),
+	   struct nf_conn *(*alloc_fn)(void *, struct bpf_sock_tuple *, u32,
+				       struct bpf_ct_opts___local *, u32),
+	   void *ctx)
+{
+	struct bpf_ct_opts___local opts_def = { .l4proto = IPPROTO_TCP, .netns_id = -1 };
+	struct bpf_sock_tuple bpf_tuple;
+	struct nf_conn *ct;
+	int err;
+
+	__builtin_memset(&bpf_tuple, 0, sizeof(bpf_tuple.ipv4));
+
+	ct = lookup_fn(ctx, NULL, 0, &opts_def, sizeof(opts_def));
+	if (ct)
+		bpf_ct_release(ct);
+	else
+		test_einval_bpf_tuple = opts_def.error;
+
+	opts_def.reserved[0] = 1;
+	ct = lookup_fn(ctx, &bpf_tuple, sizeof(bpf_tuple.ipv4), &opts_def,
+		       sizeof(opts_def));
+	opts_def.reserved[0] = 0;
+	opts_def.l4proto = IPPROTO_TCP;
+	if (ct)
+		bpf_ct_release(ct);
+	else
+		test_einval_reserved = opts_def.error;
+
+	opts_def.netns_id = -2;
+	ct = lookup_fn(ctx, &bpf_tuple, sizeof(bpf_tuple.ipv4), &opts_def,
+		       sizeof(opts_def));
+	opts_def.netns_id = -1;
+	if (ct)
+		bpf_ct_release(ct);
+	else
+		test_einval_netns_id = opts_def.error;
+
+	ct = lookup_fn(ctx, &bpf_tuple, sizeof(bpf_tuple.ipv4), &opts_def,
+		       sizeof(opts_def) - 1);
+	if (ct)
+		bpf_ct_release(ct);
+	else
+		test_einval_len_opts = opts_def.error;
+
+	opts_def.l4proto = IPPROTO_ICMP;
+	ct = lookup_fn(ctx, &bpf_tuple, sizeof(bpf_tuple.ipv4), &opts_def,
+		       sizeof(opts_def));
+	opts_def.l4proto = IPPROTO_TCP;
+	if (ct)
+		bpf_ct_release(ct);
+	else
+		test_eproto_l4proto = opts_def.error;
+
+	opts_def.netns_id = 0xf00f;
+	ct = lookup_fn(ctx, &bpf_tuple, sizeof(bpf_tuple.ipv4), &opts_def,
+		       sizeof(opts_def));
+	opts_def.netns_id = -1;
+	if (ct)
+		bpf_ct_release(ct);
+	else
+		test_enonet_netns_id = opts_def.error;
+
+	ct = lookup_fn(ctx, &bpf_tuple, sizeof(bpf_tuple.ipv4), &opts_def,
+		       sizeof(opts_def));
+	if (ct)
+		bpf_ct_release(ct);
+	else
+		test_enoent_lookup = opts_def.error;
+
+	ct = lookup_fn(ctx, &bpf_tuple, sizeof(bpf_tuple.ipv4) - 1, &opts_def,
+		       sizeof(opts_def));
+	if (ct)
+		bpf_ct_release(ct);
+	else
+		test_eafnosupport = opts_def.error;
+
+	bpf_tuple.ipv4.saddr = bpf_get_prandom_u32(); /* src IP */
+	bpf_tuple.ipv4.daddr = bpf_get_prandom_u32(); /* dst IP */
+	bpf_tuple.ipv4.sport = bpf_get_prandom_u32(); /* src port */
+	bpf_tuple.ipv4.dport = bpf_get_prandom_u32(); /* dst port */
+
+	ct = alloc_fn(ctx, &bpf_tuple, sizeof(bpf_tuple.ipv4), &opts_def,
+		      sizeof(opts_def));
+	if (ct) {
+		__u16 sport = bpf_get_prandom_u32();
+		__u16 dport = bpf_get_prandom_u32();
+		union nf_inet_addr saddr = {};
+		union nf_inet_addr daddr = {};
+		struct nf_conn *ct_ins;
+
+		bpf_ct_set_timeout(ct, 10000);
+		ct->mark = 77;
+
+		/* snat */
+		saddr.ip = bpf_get_prandom_u32();
+		bpf_ct_set_nat_info(ct, &saddr, sport, NF_NAT_MANIP_SRC___local);
+		/* dnat */
+		daddr.ip = bpf_get_prandom_u32();
+		bpf_ct_set_nat_info(ct, &daddr, dport, NF_NAT_MANIP_DST___local);
+
+		ct_ins = bpf_ct_insert_entry(ct);
+		if (ct_ins) {
+			struct nf_conn *ct_lk;
+
+			ct_lk = lookup_fn(ctx, &bpf_tuple, sizeof(bpf_tuple.ipv4),
+					  &opts_def, sizeof(opts_def));
+			if (ct_lk) {
+				struct nf_conntrack_tuple *tuple;
+
+				/* check snat and dnat addresses */
+				tuple = &ct_lk->tuplehash[IP_CT_DIR_REPLY].tuple;
+				if (tuple->dst.u3.ip == saddr.ip &&
+				    tuple->dst.u.all == bpf_htons(sport))
+					test_snat_addr = 0;
+				if (tuple->src.u3.ip == daddr.ip &&
+				    tuple->src.u.all == bpf_htons(dport))
+					test_dnat_addr = 0;
+
+				/* update ct entry timeout */
+				bpf_ct_change_timeout(ct_lk, 10000);
+				test_delta_timeout = ct_lk->timeout - bpf_jiffies64();
+				test_delta_timeout /= CONFIG_HZ;
+				test_insert_lookup_mark = ct_lk->mark;
+				bpf_ct_change_status(ct_lk,
+						     IPS_CONFIRMED | IPS_SEEN_REPLY);
+				test_status = ct_lk->status;
+
+				bpf_ct_release(ct_lk);
+				test_succ_lookup = 0;
+			}
+			bpf_ct_release(ct_ins);
+			test_insert_entry = 0;
+		}
+		test_alloc_entry = 0;
+	}
+
+	bpf_tuple.ipv4.saddr = saddr;
+	bpf_tuple.ipv4.daddr = daddr;
+	bpf_tuple.ipv4.sport = sport;
+	bpf_tuple.ipv4.dport = dport;
+	ct = lookup_fn(ctx, &bpf_tuple, sizeof(bpf_tuple.ipv4), &opts_def,
+		       sizeof(opts_def));
+	if (ct) {
+		test_exist_lookup = 0;
+		if (ct->mark == 42) {
+			ct->mark++;
+			test_exist_lookup_mark = ct->mark;
+		}
+		bpf_ct_release(ct);
+	} else {
+		test_exist_lookup = opts_def.error;
+	}
+}
+
+SEC("xdp")
+int nf_xdp_ct_test(struct xdp_md *ctx)
+{
+	nf_ct_test((void *)bpf_xdp_ct_lookup, (void *)bpf_xdp_ct_alloc, ctx);
+	return 0;
+}
+
+SEC("tc")
+int nf_skb_ct_test(struct __sk_buff *ctx)
+{
+	nf_ct_test((void *)bpf_skb_ct_lookup, (void *)bpf_skb_ct_alloc, ctx);
+	return 0;
+}
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/test_bpf_nf_fail.c b/tools/testing/selftests/bpf/progs/test_bpf_nf_fail.c
new file mode 100644
index 000000000..0e4759ab3
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_bpf_nf_fail.c
@@ -0,0 +1,148 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <vmlinux.h>
+#include <bpf/bpf_tracing.h>
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_core_read.h>
+
+struct nf_conn;
+
+struct bpf_ct_opts___local {
+	s32 netns_id;
+	s32 error;
+	u8 l4proto;
+	u8 reserved[3];
+} __attribute__((preserve_access_index));
+
+struct nf_conn *bpf_skb_ct_alloc(struct __sk_buff *, struct bpf_sock_tuple *, u32,
+				 struct bpf_ct_opts___local *, u32) __ksym;
+struct nf_conn *bpf_skb_ct_lookup(struct __sk_buff *, struct bpf_sock_tuple *, u32,
+				  struct bpf_ct_opts___local *, u32) __ksym;
+struct nf_conn *bpf_ct_insert_entry(struct nf_conn *) __ksym;
+void bpf_ct_release(struct nf_conn *) __ksym;
+void bpf_ct_set_timeout(struct nf_conn *, u32) __ksym;
+int bpf_ct_change_timeout(struct nf_conn *, u32) __ksym;
+int bpf_ct_set_status(struct nf_conn *, u32) __ksym;
+int bpf_ct_change_status(struct nf_conn *, u32) __ksym;
+
+SEC("?tc")
+int alloc_release(struct __sk_buff *ctx)
+{
+	struct bpf_ct_opts___local opts = {};
+	struct bpf_sock_tuple tup = {};
+	struct nf_conn *ct;
+
+	ct = bpf_skb_ct_alloc(ctx, &tup, sizeof(tup.ipv4), &opts, sizeof(opts));
+	if (!ct)
+		return 0;
+	bpf_ct_release(ct);
+	return 0;
+}
+
+SEC("?tc")
+int insert_insert(struct __sk_buff *ctx)
+{
+	struct bpf_ct_opts___local opts = {};
+	struct bpf_sock_tuple tup = {};
+	struct nf_conn *ct;
+
+	ct = bpf_skb_ct_alloc(ctx, &tup, sizeof(tup.ipv4), &opts, sizeof(opts));
+	if (!ct)
+		return 0;
+	ct = bpf_ct_insert_entry(ct);
+	if (!ct)
+		return 0;
+	ct = bpf_ct_insert_entry(ct);
+	return 0;
+}
+
+SEC("?tc")
+int lookup_insert(struct __sk_buff *ctx)
+{
+	struct bpf_ct_opts___local opts = {};
+	struct bpf_sock_tuple tup = {};
+	struct nf_conn *ct;
+
+	ct = bpf_skb_ct_lookup(ctx, &tup, sizeof(tup.ipv4), &opts, sizeof(opts));
+	if (!ct)
+		return 0;
+	bpf_ct_insert_entry(ct);
+	return 0;
+}
+
+SEC("?tc")
+int write_not_allowlisted_field(struct __sk_buff *ctx)
+{
+	struct bpf_ct_opts___local opts = {};
+	struct bpf_sock_tuple tup = {};
+	struct nf_conn *ct;
+
+	ct = bpf_skb_ct_lookup(ctx, &tup, sizeof(tup.ipv4), &opts, sizeof(opts));
+	if (!ct)
+		return 0;
+	ct->status = 0xF00;
+	return 0;
+}
+
+SEC("?tc")
+int set_timeout_after_insert(struct __sk_buff *ctx)
+{
+	struct bpf_ct_opts___local opts = {};
+	struct bpf_sock_tuple tup = {};
+	struct nf_conn *ct;
+
+	ct = bpf_skb_ct_alloc(ctx, &tup, sizeof(tup.ipv4), &opts, sizeof(opts));
+	if (!ct)
+		return 0;
+	ct = bpf_ct_insert_entry(ct);
+	if (!ct)
+		return 0;
+	bpf_ct_set_timeout(ct, 0);
+	return 0;
+}
+
+SEC("?tc")
+int set_status_after_insert(struct __sk_buff *ctx)
+{
+	struct bpf_ct_opts___local opts = {};
+	struct bpf_sock_tuple tup = {};
+	struct nf_conn *ct;
+
+	ct = bpf_skb_ct_alloc(ctx, &tup, sizeof(tup.ipv4), &opts, sizeof(opts));
+	if (!ct)
+		return 0;
+	ct = bpf_ct_insert_entry(ct);
+	if (!ct)
+		return 0;
+	bpf_ct_set_status(ct, 0);
+	return 0;
+}
+
+SEC("?tc")
+int change_timeout_after_alloc(struct __sk_buff *ctx)
+{
+	struct bpf_ct_opts___local opts = {};
+	struct bpf_sock_tuple tup = {};
+	struct nf_conn *ct;
+
+	ct = bpf_skb_ct_alloc(ctx, &tup, sizeof(tup.ipv4), &opts, sizeof(opts));
+	if (!ct)
+		return 0;
+	bpf_ct_change_timeout(ct, 0);
+	return 0;
+}
+
+SEC("?tc")
+int change_status_after_alloc(struct __sk_buff *ctx)
+{
+	struct bpf_ct_opts___local opts = {};
+	struct bpf_sock_tuple tup = {};
+	struct nf_conn *ct;
+
+	ct = bpf_skb_ct_alloc(ctx, &tup, sizeof(tup.ipv4), &opts, sizeof(opts));
+	if (!ct)
+		return 0;
+	bpf_ct_change_status(ct, 0);
+	return 0;
+}
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/test_btf_decl_tag.c b/tools/testing/selftests/bpf/progs/test_btf_decl_tag.c
new file mode 100644
index 000000000..c88ccc535
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_btf_decl_tag.c
@@ -0,0 +1,50 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2021 Facebook */
+#include "vmlinux.h"
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_tracing.h>
+
+#if __has_attribute(btf_decl_tag)
+#define __tag1 __attribute__((btf_decl_tag("tag1")))
+#define __tag2 __attribute__((btf_decl_tag("tag2")))
+volatile const bool skip_tests __tag1 __tag2 = false;
+#else
+#define __tag1
+#define __tag2
+volatile const bool skip_tests = true;
+#endif
+
+struct key_t {
+	int a;
+	int b __tag1 __tag2;
+	int c;
+} __tag1 __tag2;
+
+typedef struct {
+	int a;
+	int b;
+} value_t __tag1 __tag2;
+
+struct {
+	__uint(type, BPF_MAP_TYPE_HASH);
+	__uint(max_entries, 3);
+	__type(key, struct key_t);
+	__type(value, value_t);
+} hashmap1 SEC(".maps");
+
+
+static __noinline int foo(int x __tag1 __tag2) __tag1 __tag2
+{
+	struct key_t key;
+	value_t val = {};
+
+	key.a = key.b = key.c = x;
+	bpf_map_update_elem(&hashmap1, &key, &val, 0);
+	return 0;
+}
+
+SEC("fentry/bpf_fentry_test1")
+int BPF_PROG(sub, int x)
+{
+	return foo(x);
+}
diff --git a/tools/testing/selftests/bpf/progs/test_btf_map_in_map.c b/tools/testing/selftests/bpf/progs/test_btf_map_in_map.c
new file mode 100644
index 000000000..c218cf898
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_btf_map_in_map.c
@@ -0,0 +1,150 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* Copyright (c) 2020 Facebook */
+#include <linux/bpf.h>
+#include <bpf/bpf_helpers.h>
+
+struct inner_map {
+	__uint(type, BPF_MAP_TYPE_ARRAY);
+	__uint(max_entries, 1);
+	__type(key, int);
+	__type(value, int);
+} inner_map1 SEC(".maps"),
+  inner_map2 SEC(".maps");
+
+struct inner_map_sz2 {
+	__uint(type, BPF_MAP_TYPE_ARRAY);
+	__uint(max_entries, 2);
+	__type(key, int);
+	__type(value, int);
+} inner_map_sz2 SEC(".maps");
+
+struct outer_arr {
+	__uint(type, BPF_MAP_TYPE_ARRAY_OF_MAPS);
+	__uint(max_entries, 3);
+	__type(key, int);
+	__type(value, int);
+	/* it's possible to use anonymous struct as inner map definition here */
+	__array(values, struct {
+		__uint(type, BPF_MAP_TYPE_ARRAY);
+		/* changing max_entries to 2 will fail during load
+		 * due to incompatibility with inner_map definition */
+		__uint(max_entries, 1);
+		__type(key, int);
+		__type(value, int);
+	});
+} outer_arr SEC(".maps") = {
+	/* (void *) cast is necessary because we didn't use `struct inner_map`
+	 * in __inner(values, ...)
+	 * Actually, a conscious effort is required to screw up initialization
+	 * of inner map slots, which is a great thing!
+	 */
+	.values = { (void *)&inner_map1, 0, (void *)&inner_map2 },
+};
+
+struct inner_map_sz3 {
+	__uint(type, BPF_MAP_TYPE_ARRAY);
+	__uint(map_flags, BPF_F_INNER_MAP);
+	__uint(max_entries, 3);
+	__type(key, int);
+	__type(value, int);
+} inner_map3 SEC(".maps"),
+  inner_map4 SEC(".maps");
+
+struct inner_map_sz4 {
+	__uint(type, BPF_MAP_TYPE_ARRAY);
+	__uint(map_flags, BPF_F_INNER_MAP);
+	__uint(max_entries, 5);
+	__type(key, int);
+	__type(value, int);
+} inner_map5 SEC(".maps");
+
+struct outer_arr_dyn {
+	__uint(type, BPF_MAP_TYPE_ARRAY_OF_MAPS);
+	__uint(max_entries, 3);
+	__type(key, int);
+	__type(value, int);
+	__array(values, struct {
+		__uint(type, BPF_MAP_TYPE_ARRAY);
+		__uint(map_flags, BPF_F_INNER_MAP);
+		__uint(max_entries, 1);
+		__type(key, int);
+		__type(value, int);
+	});
+} outer_arr_dyn SEC(".maps") = {
+	.values = {
+		[0] = (void *)&inner_map3,
+		[1] = (void *)&inner_map4,
+		[2] = (void *)&inner_map5,
+	},
+};
+
+struct outer_hash {
+	__uint(type, BPF_MAP_TYPE_HASH_OF_MAPS);
+	__uint(max_entries, 5);
+	__type(key, int);
+	/* Here everything works flawlessly due to reuse of struct inner_map
+	 * and compiler will complain at the attempt to use non-inner_map
+	 * references below. This is great experience.
+	 */
+	__array(values, struct inner_map);
+} outer_hash SEC(".maps") = {
+	.values = {
+		[0] = &inner_map2,
+		[4] = &inner_map1,
+	},
+};
+
+struct sockarr_sz1 {
+	__uint(type, BPF_MAP_TYPE_REUSEPORT_SOCKARRAY);
+	__uint(max_entries, 1);
+	__type(key, int);
+	__type(value, int);
+} sockarr_sz1 SEC(".maps");
+
+struct sockarr_sz2 {
+	__uint(type, BPF_MAP_TYPE_REUSEPORT_SOCKARRAY);
+	__uint(max_entries, 2);
+	__type(key, int);
+	__type(value, int);
+} sockarr_sz2 SEC(".maps");
+
+struct outer_sockarr_sz1 {
+	__uint(type, BPF_MAP_TYPE_ARRAY_OF_MAPS);
+	__uint(max_entries, 1);
+	__type(key, int);
+	__type(value, int);
+	__array(values, struct sockarr_sz1);
+} outer_sockarr SEC(".maps") = {
+	.values = { (void *)&sockarr_sz1 },
+};
+
+int input = 0;
+
+SEC("raw_tp/sys_enter")
+int handle__sys_enter(void *ctx)
+{
+	struct inner_map *inner_map;
+	int key = 0, val;
+
+	inner_map = bpf_map_lookup_elem(&outer_arr, &key);
+	if (!inner_map)
+		return 1;
+	val = input;
+	bpf_map_update_elem(inner_map, &key, &val, 0);
+
+	inner_map = bpf_map_lookup_elem(&outer_hash, &key);
+	if (!inner_map)
+		return 1;
+	val = input + 1;
+	bpf_map_update_elem(inner_map, &key, &val, 0);
+
+	inner_map = bpf_map_lookup_elem(&outer_arr_dyn, &key);
+	if (!inner_map)
+		return 1;
+	val = input + 2;
+	bpf_map_update_elem(inner_map, &key, &val, 0);
+
+	return 0;
+}
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/test_btf_newkv.c b/tools/testing/selftests/bpf/progs/test_btf_newkv.c
new file mode 100644
index 000000000..251854a04
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_btf_newkv.c
@@ -0,0 +1,46 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* Copyright (c) 2018 Facebook */
+#include <linux/bpf.h>
+#include <bpf/bpf_helpers.h>
+#include "bpf_legacy.h"
+
+struct ipv_counts {
+	unsigned int v4;
+	unsigned int v6;
+};
+
+struct {
+	__uint(type, BPF_MAP_TYPE_ARRAY);
+	__uint(max_entries, 4);
+	__type(key, int);
+	__type(value, struct ipv_counts);
+} btf_map SEC(".maps");
+
+__attribute__((noinline))
+int test_long_fname_2(void)
+{
+	struct ipv_counts *counts;
+	int key = 0;
+
+	counts = bpf_map_lookup_elem(&btf_map, &key);
+	if (!counts)
+		return 0;
+
+	counts->v6++;
+
+	return 0;
+}
+
+__attribute__((noinline))
+int test_long_fname_1(void)
+{
+	return test_long_fname_2();
+}
+
+SEC("dummy_tracepoint")
+int _dummy_tracepoint(void *arg)
+{
+	return test_long_fname_1();
+}
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/test_btf_nokv.c b/tools/testing/selftests/bpf/progs/test_btf_nokv.c
new file mode 100644
index 000000000..1dabb88f8
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_btf_nokv.c
@@ -0,0 +1,45 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* Copyright (c) 2018 Facebook */
+#include <linux/bpf.h>
+#include <bpf/bpf_helpers.h>
+
+struct ipv_counts {
+	unsigned int v4;
+	unsigned int v6;
+};
+
+struct {
+	__uint(type, BPF_MAP_TYPE_ARRAY);
+	__uint(key_size, sizeof(int));
+	__uint(value_size, sizeof(struct ipv_counts));
+	__uint(max_entries, 4);
+} btf_map SEC(".maps");
+
+__attribute__((noinline))
+int test_long_fname_2(void)
+{
+	struct ipv_counts *counts;
+	int key = 0;
+
+	counts = bpf_map_lookup_elem(&btf_map, &key);
+	if (!counts)
+		return 0;
+
+	counts->v6++;
+
+	return 0;
+}
+
+__attribute__((noinline))
+int test_long_fname_1(void)
+{
+	return test_long_fname_2();
+}
+
+SEC("dummy_tracepoint")
+int _dummy_tracepoint(void *arg)
+{
+	return test_long_fname_1();
+}
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/test_btf_skc_cls_ingress.c b/tools/testing/selftests/bpf/progs/test_btf_skc_cls_ingress.c
new file mode 100644
index 000000000..e2bea4da1
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_btf_skc_cls_ingress.c
@@ -0,0 +1,174 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2020 Facebook */
+
+#include <string.h>
+#include <errno.h>
+#include <netinet/in.h>
+#include <linux/stddef.h>
+#include <linux/bpf.h>
+#include <linux/ipv6.h>
+#include <linux/tcp.h>
+#include <linux/if_ether.h>
+#include <linux/pkt_cls.h>
+
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_endian.h>
+#include "bpf_tcp_helpers.h"
+
+struct sockaddr_in6 srv_sa6 = {};
+__u16 listen_tp_sport = 0;
+__u16 req_sk_sport = 0;
+__u32 recv_cookie = 0;
+__u32 gen_cookie = 0;
+__u32 linum = 0;
+
+#define LOG() ({ if (!linum) linum = __LINE__; })
+
+static void test_syncookie_helper(struct ipv6hdr *ip6h, struct tcphdr *th,
+				  struct tcp_sock *tp,
+				  struct __sk_buff *skb)
+{
+	if (th->syn) {
+		__s64 mss_cookie;
+		void *data_end;
+
+		data_end = (void *)(long)(skb->data_end);
+
+		if (th->doff * 4 != 40) {
+			LOG();
+			return;
+		}
+
+		if ((void *)th + 40 > data_end) {
+			LOG();
+			return;
+		}
+
+		mss_cookie = bpf_tcp_gen_syncookie(tp, ip6h, sizeof(*ip6h),
+						   th, 40);
+		if (mss_cookie < 0) {
+			if (mss_cookie != -ENOENT)
+				LOG();
+		} else {
+			gen_cookie = (__u32)mss_cookie;
+		}
+	} else if (gen_cookie) {
+		/* It was in cookie mode */
+		int ret = bpf_tcp_check_syncookie(tp, ip6h, sizeof(*ip6h),
+						  th, sizeof(*th));
+
+		if (ret < 0) {
+			if (ret != -ENOENT)
+				LOG();
+		} else {
+			recv_cookie = bpf_ntohl(th->ack_seq) - 1;
+		}
+	}
+}
+
+static int handle_ip6_tcp(struct ipv6hdr *ip6h, struct __sk_buff *skb)
+{
+	struct bpf_sock_tuple *tuple;
+	struct bpf_sock *bpf_skc;
+	unsigned int tuple_len;
+	struct tcphdr *th;
+	void *data_end;
+
+	data_end = (void *)(long)(skb->data_end);
+
+	th = (struct tcphdr *)(ip6h + 1);
+	if (th + 1 > data_end)
+		return TC_ACT_OK;
+
+	/* Is it the testing traffic? */
+	if (th->dest != srv_sa6.sin6_port)
+		return TC_ACT_OK;
+
+	tuple_len = sizeof(tuple->ipv6);
+	tuple = (struct bpf_sock_tuple *)&ip6h->saddr;
+	if ((void *)tuple + tuple_len > data_end) {
+		LOG();
+		return TC_ACT_OK;
+	}
+
+	bpf_skc = bpf_skc_lookup_tcp(skb, tuple, tuple_len,
+				     BPF_F_CURRENT_NETNS, 0);
+	if (!bpf_skc) {
+		LOG();
+		return TC_ACT_OK;
+	}
+
+	if (bpf_skc->state == BPF_TCP_NEW_SYN_RECV) {
+		struct request_sock *req_sk;
+
+		req_sk = (struct request_sock *)bpf_skc_to_tcp_request_sock(bpf_skc);
+		if (!req_sk) {
+			LOG();
+			goto release;
+		}
+
+		if (bpf_sk_assign(skb, req_sk, 0)) {
+			LOG();
+			goto release;
+		}
+
+		req_sk_sport = req_sk->__req_common.skc_num;
+
+		bpf_sk_release(req_sk);
+		return TC_ACT_OK;
+	} else if (bpf_skc->state == BPF_TCP_LISTEN) {
+		struct tcp_sock *tp;
+
+		tp = bpf_skc_to_tcp_sock(bpf_skc);
+		if (!tp) {
+			LOG();
+			goto release;
+		}
+
+		if (bpf_sk_assign(skb, tp, 0)) {
+			LOG();
+			goto release;
+		}
+
+		listen_tp_sport = tp->inet_conn.icsk_inet.sk.__sk_common.skc_num;
+
+		test_syncookie_helper(ip6h, th, tp, skb);
+		bpf_sk_release(tp);
+		return TC_ACT_OK;
+	}
+
+	if (bpf_sk_assign(skb, bpf_skc, 0))
+		LOG();
+
+release:
+	bpf_sk_release(bpf_skc);
+	return TC_ACT_OK;
+}
+
+SEC("tc")
+int cls_ingress(struct __sk_buff *skb)
+{
+	struct ipv6hdr *ip6h;
+	struct ethhdr *eth;
+	void *data_end;
+
+	data_end = (void *)(long)(skb->data_end);
+
+	eth = (struct ethhdr *)(long)(skb->data);
+	if (eth + 1 > data_end)
+		return TC_ACT_OK;
+
+	if (eth->h_proto != bpf_htons(ETH_P_IPV6))
+		return TC_ACT_OK;
+
+	ip6h = (struct ipv6hdr *)(eth + 1);
+	if (ip6h + 1 > data_end)
+		return TC_ACT_OK;
+
+	if (ip6h->nexthdr == IPPROTO_TCP)
+		return handle_ip6_tcp(ip6h, skb);
+
+	return TC_ACT_OK;
+}
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/test_cgroup_link.c b/tools/testing/selftests/bpf/progs/test_cgroup_link.c
new file mode 100644
index 000000000..4faba88e4
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_cgroup_link.c
@@ -0,0 +1,24 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (c) 2020 Facebook
+#include <linux/bpf.h>
+#include <bpf/bpf_helpers.h>
+
+int calls = 0;
+int alt_calls = 0;
+
+SEC("cgroup_skb/egress")
+int egress(struct __sk_buff *skb)
+{
+	__sync_fetch_and_add(&calls, 1);
+	return 1;
+}
+
+SEC("cgroup_skb/egress")
+int egress_alt(struct __sk_buff *skb)
+{
+	__sync_fetch_and_add(&alt_calls, 1);
+	return 1;
+}
+
+char _license[] SEC("license") = "GPL";
+
diff --git a/tools/testing/selftests/bpf/progs/test_check_mtu.c b/tools/testing/selftests/bpf/progs/test_check_mtu.c
new file mode 100644
index 000000000..2ec1de11a
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_check_mtu.c
@@ -0,0 +1,290 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2020 Jesper Dangaard Brouer */
+
+#include <linux/bpf.h>
+#include <bpf/bpf_helpers.h>
+#include <linux/if_ether.h>
+
+#include <stddef.h>
+#include <stdint.h>
+
+char _license[] SEC("license") = "GPL";
+
+/* Userspace will update with MTU it can see on device */
+volatile const int GLOBAL_USER_MTU;
+volatile const __u32 GLOBAL_USER_IFINDEX;
+
+/* BPF-prog will update these with MTU values it can see */
+__u32 global_bpf_mtu_xdp = 0;
+__u32 global_bpf_mtu_tc  = 0;
+
+SEC("xdp")
+int xdp_use_helper_basic(struct xdp_md *ctx)
+{
+	__u32 mtu_len = 0;
+
+	if (bpf_check_mtu(ctx, 0, &mtu_len, 0, 0))
+		return XDP_ABORTED;
+
+	return XDP_PASS;
+}
+
+SEC("xdp")
+int xdp_use_helper(struct xdp_md *ctx)
+{
+	int retval = XDP_PASS; /* Expected retval on successful test */
+	__u32 mtu_len = 0;
+	__u32 ifindex = 0;
+	int delta = 0;
+
+	/* When ifindex is zero, save net_device lookup and use ctx netdev */
+	if (GLOBAL_USER_IFINDEX > 0)
+		ifindex = GLOBAL_USER_IFINDEX;
+
+	if (bpf_check_mtu(ctx, ifindex, &mtu_len, delta, 0)) {
+		/* mtu_len is also valid when check fail */
+		retval = XDP_ABORTED;
+		goto out;
+	}
+
+	if (mtu_len != GLOBAL_USER_MTU)
+		retval = XDP_DROP;
+
+out:
+	global_bpf_mtu_xdp = mtu_len;
+	return retval;
+}
+
+SEC("xdp")
+int xdp_exceed_mtu(struct xdp_md *ctx)
+{
+	void *data_end = (void *)(long)ctx->data_end;
+	void *data = (void *)(long)ctx->data;
+	__u32 ifindex = GLOBAL_USER_IFINDEX;
+	__u32 data_len = data_end - data;
+	int retval = XDP_ABORTED; /* Fail */
+	__u32 mtu_len = 0;
+	int delta;
+	int err;
+
+	/* Exceed MTU with 1 via delta adjust */
+	delta = GLOBAL_USER_MTU - (data_len - ETH_HLEN) + 1;
+
+	err = bpf_check_mtu(ctx, ifindex, &mtu_len, delta, 0);
+	if (err) {
+		retval = XDP_PASS; /* Success in exceeding MTU check */
+		if (err != BPF_MTU_CHK_RET_FRAG_NEEDED)
+			retval = XDP_DROP;
+	}
+
+	global_bpf_mtu_xdp = mtu_len;
+	return retval;
+}
+
+SEC("xdp")
+int xdp_minus_delta(struct xdp_md *ctx)
+{
+	int retval = XDP_PASS; /* Expected retval on successful test */
+	void *data_end = (void *)(long)ctx->data_end;
+	void *data = (void *)(long)ctx->data;
+	__u32 ifindex = GLOBAL_USER_IFINDEX;
+	__u32 data_len = data_end - data;
+	__u32 mtu_len = 0;
+	int delta;
+
+	/* Borderline test case: Minus delta exceeding packet length allowed */
+	delta = -((data_len - ETH_HLEN) + 1);
+
+	/* Minus length (adjusted via delta) still pass MTU check, other helpers
+	 * are responsible for catching this, when doing actual size adjust
+	 */
+	if (bpf_check_mtu(ctx, ifindex, &mtu_len, delta, 0))
+		retval = XDP_ABORTED;
+
+	global_bpf_mtu_xdp = mtu_len;
+	return retval;
+}
+
+SEC("xdp")
+int xdp_input_len(struct xdp_md *ctx)
+{
+	int retval = XDP_PASS; /* Expected retval on successful test */
+	void *data_end = (void *)(long)ctx->data_end;
+	void *data = (void *)(long)ctx->data;
+	__u32 ifindex = GLOBAL_USER_IFINDEX;
+	__u32 data_len = data_end - data;
+
+	/* API allow user give length to check as input via mtu_len param,
+	 * resulting MTU value is still output in mtu_len param after call.
+	 *
+	 * Input len is L3, like MTU and iph->tot_len.
+	 * Remember XDP data_len is L2.
+	 */
+	__u32 mtu_len = data_len - ETH_HLEN;
+
+	if (bpf_check_mtu(ctx, ifindex, &mtu_len, 0, 0))
+		retval = XDP_ABORTED;
+
+	global_bpf_mtu_xdp = mtu_len;
+	return retval;
+}
+
+SEC("xdp")
+int xdp_input_len_exceed(struct xdp_md *ctx)
+{
+	int retval = XDP_ABORTED; /* Fail */
+	__u32 ifindex = GLOBAL_USER_IFINDEX;
+	int err;
+
+	/* API allow user give length to check as input via mtu_len param,
+	 * resulting MTU value is still output in mtu_len param after call.
+	 *
+	 * Input length value is L3 size like MTU.
+	 */
+	__u32 mtu_len = GLOBAL_USER_MTU;
+
+	mtu_len += 1; /* Exceed with 1 */
+
+	err = bpf_check_mtu(ctx, ifindex, &mtu_len, 0, 0);
+	if (err == BPF_MTU_CHK_RET_FRAG_NEEDED)
+		retval = XDP_PASS ; /* Success in exceeding MTU check */
+
+	global_bpf_mtu_xdp = mtu_len;
+	return retval;
+}
+
+SEC("tc")
+int tc_use_helper(struct __sk_buff *ctx)
+{
+	int retval = BPF_OK; /* Expected retval on successful test */
+	__u32 mtu_len = 0;
+	int delta = 0;
+
+	if (bpf_check_mtu(ctx, 0, &mtu_len, delta, 0)) {
+		retval = BPF_DROP;
+		goto out;
+	}
+
+	if (mtu_len != GLOBAL_USER_MTU)
+		retval = BPF_REDIRECT;
+out:
+	global_bpf_mtu_tc = mtu_len;
+	return retval;
+}
+
+SEC("tc")
+int tc_exceed_mtu(struct __sk_buff *ctx)
+{
+	__u32 ifindex = GLOBAL_USER_IFINDEX;
+	int retval = BPF_DROP; /* Fail */
+	__u32 skb_len = ctx->len;
+	__u32 mtu_len = 0;
+	int delta;
+	int err;
+
+	/* Exceed MTU with 1 via delta adjust */
+	delta = GLOBAL_USER_MTU - (skb_len - ETH_HLEN) + 1;
+
+	err = bpf_check_mtu(ctx, ifindex, &mtu_len, delta, 0);
+	if (err) {
+		retval = BPF_OK; /* Success in exceeding MTU check */
+		if (err != BPF_MTU_CHK_RET_FRAG_NEEDED)
+			retval = BPF_DROP;
+	}
+
+	global_bpf_mtu_tc = mtu_len;
+	return retval;
+}
+
+SEC("tc")
+int tc_exceed_mtu_da(struct __sk_buff *ctx)
+{
+	/* SKB Direct-Access variant */
+	void *data_end = (void *)(long)ctx->data_end;
+	void *data = (void *)(long)ctx->data;
+	__u32 ifindex = GLOBAL_USER_IFINDEX;
+	__u32 data_len = data_end - data;
+	int retval = BPF_DROP; /* Fail */
+	__u32 mtu_len = 0;
+	int delta;
+	int err;
+
+	/* Exceed MTU with 1 via delta adjust */
+	delta = GLOBAL_USER_MTU - (data_len - ETH_HLEN) + 1;
+
+	err = bpf_check_mtu(ctx, ifindex, &mtu_len, delta, 0);
+	if (err) {
+		retval = BPF_OK; /* Success in exceeding MTU check */
+		if (err != BPF_MTU_CHK_RET_FRAG_NEEDED)
+			retval = BPF_DROP;
+	}
+
+	global_bpf_mtu_tc = mtu_len;
+	return retval;
+}
+
+SEC("tc")
+int tc_minus_delta(struct __sk_buff *ctx)
+{
+	int retval = BPF_OK; /* Expected retval on successful test */
+	__u32 ifindex = GLOBAL_USER_IFINDEX;
+	__u32 skb_len = ctx->len;
+	__u32 mtu_len = 0;
+	int delta;
+
+	/* Borderline test case: Minus delta exceeding packet length allowed */
+	delta = -((skb_len - ETH_HLEN) + 1);
+
+	/* Minus length (adjusted via delta) still pass MTU check, other helpers
+	 * are responsible for catching this, when doing actual size adjust
+	 */
+	if (bpf_check_mtu(ctx, ifindex, &mtu_len, delta, 0))
+		retval = BPF_DROP;
+
+	global_bpf_mtu_xdp = mtu_len;
+	return retval;
+}
+
+SEC("tc")
+int tc_input_len(struct __sk_buff *ctx)
+{
+	int retval = BPF_OK; /* Expected retval on successful test */
+	__u32 ifindex = GLOBAL_USER_IFINDEX;
+
+	/* API allow user give length to check as input via mtu_len param,
+	 * resulting MTU value is still output in mtu_len param after call.
+	 *
+	 * Input length value is L3 size.
+	 */
+	__u32 mtu_len = GLOBAL_USER_MTU;
+
+	if (bpf_check_mtu(ctx, ifindex, &mtu_len, 0, 0))
+		retval = BPF_DROP;
+
+	global_bpf_mtu_xdp = mtu_len;
+	return retval;
+}
+
+SEC("tc")
+int tc_input_len_exceed(struct __sk_buff *ctx)
+{
+	int retval = BPF_DROP; /* Fail */
+	__u32 ifindex = GLOBAL_USER_IFINDEX;
+	int err;
+
+	/* API allow user give length to check as input via mtu_len param,
+	 * resulting MTU value is still output in mtu_len param after call.
+	 *
+	 * Input length value is L3 size like MTU.
+	 */
+	__u32 mtu_len = GLOBAL_USER_MTU;
+
+	mtu_len += 1; /* Exceed with 1 */
+
+	err = bpf_check_mtu(ctx, ifindex, &mtu_len, 0, 0);
+	if (err == BPF_MTU_CHK_RET_FRAG_NEEDED)
+		retval = BPF_OK; /* Success in exceeding MTU check */
+
+	global_bpf_mtu_xdp = mtu_len;
+	return retval;
+}
diff --git a/tools/testing/selftests/bpf/progs/test_cls_redirect.c b/tools/testing/selftests/bpf/progs/test_cls_redirect.c
new file mode 100644
index 000000000..2833ad722
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_cls_redirect.c
@@ -0,0 +1,1075 @@
+// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
+// Copyright (c) 2019, 2020 Cloudflare
+
+#include <stdbool.h>
+#include <stddef.h>
+#include <stdint.h>
+#include <string.h>
+
+#include <linux/bpf.h>
+#include <linux/icmp.h>
+#include <linux/icmpv6.h>
+#include <linux/if_ether.h>
+#include <linux/in.h>
+#include <linux/ip.h>
+#include <linux/ipv6.h>
+#include <linux/pkt_cls.h>
+#include <linux/tcp.h>
+#include <linux/udp.h>
+
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_endian.h>
+
+#include "test_cls_redirect.h"
+
+#ifdef SUBPROGS
+#define INLINING __noinline
+#else
+#define INLINING __always_inline
+#endif
+
+#define offsetofend(TYPE, MEMBER) \
+	(offsetof(TYPE, MEMBER) + sizeof((((TYPE *)0)->MEMBER)))
+
+#define IP_OFFSET_MASK (0x1FFF)
+#define IP_MF (0x2000)
+
+char _license[] SEC("license") = "Dual BSD/GPL";
+
+/**
+ * Destination port and IP used for UDP encapsulation.
+ */
+volatile const __be16 ENCAPSULATION_PORT;
+volatile const __be32 ENCAPSULATION_IP;
+
+typedef struct {
+	uint64_t processed_packets_total;
+	uint64_t l3_protocol_packets_total_ipv4;
+	uint64_t l3_protocol_packets_total_ipv6;
+	uint64_t l4_protocol_packets_total_tcp;
+	uint64_t l4_protocol_packets_total_udp;
+	uint64_t accepted_packets_total_syn;
+	uint64_t accepted_packets_total_syn_cookies;
+	uint64_t accepted_packets_total_last_hop;
+	uint64_t accepted_packets_total_icmp_echo_request;
+	uint64_t accepted_packets_total_established;
+	uint64_t forwarded_packets_total_gue;
+	uint64_t forwarded_packets_total_gre;
+
+	uint64_t errors_total_unknown_l3_proto;
+	uint64_t errors_total_unknown_l4_proto;
+	uint64_t errors_total_malformed_ip;
+	uint64_t errors_total_fragmented_ip;
+	uint64_t errors_total_malformed_icmp;
+	uint64_t errors_total_unwanted_icmp;
+	uint64_t errors_total_malformed_icmp_pkt_too_big;
+	uint64_t errors_total_malformed_tcp;
+	uint64_t errors_total_malformed_udp;
+	uint64_t errors_total_icmp_echo_replies;
+	uint64_t errors_total_malformed_encapsulation;
+	uint64_t errors_total_encap_adjust_failed;
+	uint64_t errors_total_encap_buffer_too_small;
+	uint64_t errors_total_redirect_loop;
+	uint64_t errors_total_encap_mtu_violate;
+} metrics_t;
+
+typedef enum {
+	INVALID = 0,
+	UNKNOWN,
+	ECHO_REQUEST,
+	SYN,
+	SYN_COOKIE,
+	ESTABLISHED,
+} verdict_t;
+
+typedef struct {
+	uint16_t src, dst;
+} flow_ports_t;
+
+_Static_assert(
+	sizeof(flow_ports_t) !=
+		offsetofend(struct bpf_sock_tuple, ipv4.dport) -
+			offsetof(struct bpf_sock_tuple, ipv4.sport) - 1,
+	"flow_ports_t must match sport and dport in struct bpf_sock_tuple");
+_Static_assert(
+	sizeof(flow_ports_t) !=
+		offsetofend(struct bpf_sock_tuple, ipv6.dport) -
+			offsetof(struct bpf_sock_tuple, ipv6.sport) - 1,
+	"flow_ports_t must match sport and dport in struct bpf_sock_tuple");
+
+typedef int ret_t;
+
+/* This is a bit of a hack. We need a return value which allows us to
+ * indicate that the regular flow of the program should continue,
+ * while allowing functions to use XDP_PASS and XDP_DROP, etc.
+ */
+static const ret_t CONTINUE_PROCESSING = -1;
+
+/* Convenience macro to call functions which return ret_t.
+ */
+#define MAYBE_RETURN(x)                           \
+	do {                                      \
+		ret_t __ret = x;                  \
+		if (__ret != CONTINUE_PROCESSING) \
+			return __ret;             \
+	} while (0)
+
+/* Linux packet pointers are either aligned to NET_IP_ALIGN (aka 2 bytes),
+ * or not aligned if the arch supports efficient unaligned access.
+ *
+ * Since the verifier ensures that eBPF packet accesses follow these rules,
+ * we can tell LLVM to emit code as if we always had a larger alignment.
+ * It will yell at us if we end up on a platform where this is not valid.
+ */
+typedef uint8_t *net_ptr __attribute__((align_value(8)));
+
+typedef struct buf {
+	struct __sk_buff *skb;
+	net_ptr head;
+	/* NB: tail musn't have alignment other than 1, otherwise
+	* LLVM will go and eliminate code, e.g. when checking packet lengths.
+	*/
+	uint8_t *const tail;
+} buf_t;
+
+static __always_inline size_t buf_off(const buf_t *buf)
+{
+	/* Clang seems to optimize constructs like
+	 *    a - b + c
+	 * if c is known:
+	 *    r? = c
+	 *    r? -= b
+	 *    r? += a
+	 *
+	 * This is a problem if a and b are packet pointers,
+	 * since the verifier allows subtracting two pointers to
+	 * get a scalar, but not a scalar and a pointer.
+	 *
+	 * Use inline asm to break this optimization.
+	 */
+	size_t off = (size_t)buf->head;
+	asm("%0 -= %1" : "+r"(off) : "r"(buf->skb->data));
+	return off;
+}
+
+static __always_inline bool buf_copy(buf_t *buf, void *dst, size_t len)
+{
+	if (bpf_skb_load_bytes(buf->skb, buf_off(buf), dst, len)) {
+		return false;
+	}
+
+	buf->head += len;
+	return true;
+}
+
+static __always_inline bool buf_skip(buf_t *buf, const size_t len)
+{
+	/* Check whether off + len is valid in the non-linear part. */
+	if (buf_off(buf) + len > buf->skb->len) {
+		return false;
+	}
+
+	buf->head += len;
+	return true;
+}
+
+/* Returns a pointer to the start of buf, or NULL if len is
+ * larger than the remaining data. Consumes len bytes on a successful
+ * call.
+ *
+ * If scratch is not NULL, the function will attempt to load non-linear
+ * data via bpf_skb_load_bytes. On success, scratch is returned.
+ */
+static __always_inline void *buf_assign(buf_t *buf, const size_t len, void *scratch)
+{
+	if (buf->head + len > buf->tail) {
+		if (scratch == NULL) {
+			return NULL;
+		}
+
+		return buf_copy(buf, scratch, len) ? scratch : NULL;
+	}
+
+	void *ptr = buf->head;
+	buf->head += len;
+	return ptr;
+}
+
+static INLINING bool pkt_skip_ipv4_options(buf_t *buf, const struct iphdr *ipv4)
+{
+	if (ipv4->ihl <= 5) {
+		return true;
+	}
+
+	return buf_skip(buf, (ipv4->ihl - 5) * 4);
+}
+
+static INLINING bool ipv4_is_fragment(const struct iphdr *ip)
+{
+	uint16_t frag_off = ip->frag_off & bpf_htons(IP_OFFSET_MASK);
+	return (ip->frag_off & bpf_htons(IP_MF)) != 0 || frag_off > 0;
+}
+
+static __always_inline struct iphdr *pkt_parse_ipv4(buf_t *pkt, struct iphdr *scratch)
+{
+	struct iphdr *ipv4 = buf_assign(pkt, sizeof(*ipv4), scratch);
+	if (ipv4 == NULL) {
+		return NULL;
+	}
+
+	if (ipv4->ihl < 5) {
+		return NULL;
+	}
+
+	if (!pkt_skip_ipv4_options(pkt, ipv4)) {
+		return NULL;
+	}
+
+	return ipv4;
+}
+
+/* Parse the L4 ports from a packet, assuming a layout like TCP or UDP. */
+static INLINING bool pkt_parse_icmp_l4_ports(buf_t *pkt, flow_ports_t *ports)
+{
+	if (!buf_copy(pkt, ports, sizeof(*ports))) {
+		return false;
+	}
+
+	/* Ports in the L4 headers are reversed, since we are parsing an ICMP
+	 * payload which is going towards the eyeball.
+	 */
+	uint16_t dst = ports->src;
+	ports->src = ports->dst;
+	ports->dst = dst;
+	return true;
+}
+
+static INLINING uint16_t pkt_checksum_fold(uint32_t csum)
+{
+	/* The highest reasonable value for an IPv4 header
+	 * checksum requires two folds, so we just do that always.
+	 */
+	csum = (csum & 0xffff) + (csum >> 16);
+	csum = (csum & 0xffff) + (csum >> 16);
+	return (uint16_t)~csum;
+}
+
+static INLINING void pkt_ipv4_checksum(struct iphdr *iph)
+{
+	iph->check = 0;
+
+	/* An IP header without options is 20 bytes. Two of those
+	 * are the checksum, which we always set to zero. Hence,
+	 * the maximum accumulated value is 18 / 2 * 0xffff = 0x8fff7,
+	 * which fits in 32 bit.
+	 */
+	_Static_assert(sizeof(struct iphdr) == 20, "iphdr must be 20 bytes");
+	uint32_t acc = 0;
+	uint16_t *ipw = (uint16_t *)iph;
+
+#pragma clang loop unroll(full)
+	for (size_t i = 0; i < sizeof(struct iphdr) / 2; i++) {
+		acc += ipw[i];
+	}
+
+	iph->check = pkt_checksum_fold(acc);
+}
+
+static INLINING
+bool pkt_skip_ipv6_extension_headers(buf_t *pkt,
+				     const struct ipv6hdr *ipv6,
+				     uint8_t *upper_proto,
+				     bool *is_fragment)
+{
+	/* We understand five extension headers.
+	 * https://tools.ietf.org/html/rfc8200#section-4.1 states that all
+	 * headers should occur once, except Destination Options, which may
+	 * occur twice. Hence we give up after 6 headers.
+	 */
+	struct {
+		uint8_t next;
+		uint8_t len;
+	} exthdr = {
+		.next = ipv6->nexthdr,
+	};
+	*is_fragment = false;
+
+#pragma clang loop unroll(full)
+	for (int i = 0; i < 6; i++) {
+		switch (exthdr.next) {
+		case IPPROTO_FRAGMENT:
+			*is_fragment = true;
+			/* NB: We don't check that hdrlen == 0 as per spec. */
+			/* fallthrough; */
+
+		case IPPROTO_HOPOPTS:
+		case IPPROTO_ROUTING:
+		case IPPROTO_DSTOPTS:
+		case IPPROTO_MH:
+			if (!buf_copy(pkt, &exthdr, sizeof(exthdr))) {
+				return false;
+			}
+
+			/* hdrlen is in 8-octet units, and excludes the first 8 octets. */
+			if (!buf_skip(pkt,
+				      (exthdr.len + 1) * 8 - sizeof(exthdr))) {
+				return false;
+			}
+
+			/* Decode next header */
+			break;
+
+		default:
+			/* The next header is not one of the known extension
+			 * headers, treat it as the upper layer header.
+			 *
+			 * This handles IPPROTO_NONE.
+			 *
+			 * Encapsulating Security Payload (50) and Authentication
+			 * Header (51) also end up here (and will trigger an
+			 * unknown proto error later). They have a custom header
+			 * format and seem too esoteric to care about.
+			 */
+			*upper_proto = exthdr.next;
+			return true;
+		}
+	}
+
+	/* We never found an upper layer header. */
+	return false;
+}
+
+/* This function has to be inlined, because the verifier otherwise rejects it
+ * due to returning a pointer to the stack. This is technically correct, since
+ * scratch is allocated on the stack. However, this usage should be safe since
+ * it's the callers stack after all.
+ */
+static __always_inline struct ipv6hdr *
+pkt_parse_ipv6(buf_t *pkt, struct ipv6hdr *scratch, uint8_t *proto,
+	       bool *is_fragment)
+{
+	struct ipv6hdr *ipv6 = buf_assign(pkt, sizeof(*ipv6), scratch);
+	if (ipv6 == NULL) {
+		return NULL;
+	}
+
+	if (!pkt_skip_ipv6_extension_headers(pkt, ipv6, proto, is_fragment)) {
+		return NULL;
+	}
+
+	return ipv6;
+}
+
+/* Global metrics, per CPU
+ */
+struct {
+	__uint(type, BPF_MAP_TYPE_PERCPU_ARRAY);
+	__uint(max_entries, 1);
+	__type(key, unsigned int);
+	__type(value, metrics_t);
+} metrics_map SEC(".maps");
+
+static INLINING metrics_t *get_global_metrics(void)
+{
+	uint64_t key = 0;
+	return bpf_map_lookup_elem(&metrics_map, &key);
+}
+
+static INLINING ret_t accept_locally(struct __sk_buff *skb, encap_headers_t *encap)
+{
+	const int payload_off =
+		sizeof(*encap) +
+		sizeof(struct in_addr) * encap->unigue.hop_count;
+	int32_t encap_overhead = payload_off - sizeof(struct ethhdr);
+
+	// Changing the ethertype if the encapsulated packet is ipv6
+	if (encap->gue.proto_ctype == IPPROTO_IPV6) {
+		encap->eth.h_proto = bpf_htons(ETH_P_IPV6);
+	}
+
+	if (bpf_skb_adjust_room(skb, -encap_overhead, BPF_ADJ_ROOM_MAC,
+				BPF_F_ADJ_ROOM_FIXED_GSO |
+				BPF_F_ADJ_ROOM_NO_CSUM_RESET) ||
+	    bpf_csum_level(skb, BPF_CSUM_LEVEL_DEC))
+		return TC_ACT_SHOT;
+
+	return bpf_redirect(skb->ifindex, BPF_F_INGRESS);
+}
+
+static INLINING ret_t forward_with_gre(struct __sk_buff *skb, encap_headers_t *encap,
+				       struct in_addr *next_hop, metrics_t *metrics)
+{
+	metrics->forwarded_packets_total_gre++;
+
+	const int payload_off =
+		sizeof(*encap) +
+		sizeof(struct in_addr) * encap->unigue.hop_count;
+	int32_t encap_overhead =
+		payload_off - sizeof(struct ethhdr) - sizeof(struct iphdr);
+	int32_t delta = sizeof(struct gre_base_hdr) - encap_overhead;
+	uint16_t proto = ETH_P_IP;
+	uint32_t mtu_len = 0;
+
+	/* Loop protection: the inner packet's TTL is decremented as a safeguard
+	 * against any forwarding loop. As the only interesting field is the TTL
+	 * hop limit for IPv6, it is easier to use bpf_skb_load_bytes/bpf_skb_store_bytes
+	 * as they handle the split packets if needed (no need for the data to be
+	 * in the linear section).
+	 */
+	if (encap->gue.proto_ctype == IPPROTO_IPV6) {
+		proto = ETH_P_IPV6;
+		uint8_t ttl;
+		int rc;
+
+		rc = bpf_skb_load_bytes(
+			skb, payload_off + offsetof(struct ipv6hdr, hop_limit),
+			&ttl, 1);
+		if (rc != 0) {
+			metrics->errors_total_malformed_encapsulation++;
+			return TC_ACT_SHOT;
+		}
+
+		if (ttl == 0) {
+			metrics->errors_total_redirect_loop++;
+			return TC_ACT_SHOT;
+		}
+
+		ttl--;
+		rc = bpf_skb_store_bytes(
+			skb, payload_off + offsetof(struct ipv6hdr, hop_limit),
+			&ttl, 1, 0);
+		if (rc != 0) {
+			metrics->errors_total_malformed_encapsulation++;
+			return TC_ACT_SHOT;
+		}
+	} else {
+		uint8_t ttl;
+		int rc;
+
+		rc = bpf_skb_load_bytes(
+			skb, payload_off + offsetof(struct iphdr, ttl), &ttl,
+			1);
+		if (rc != 0) {
+			metrics->errors_total_malformed_encapsulation++;
+			return TC_ACT_SHOT;
+		}
+
+		if (ttl == 0) {
+			metrics->errors_total_redirect_loop++;
+			return TC_ACT_SHOT;
+		}
+
+		/* IPv4 also has a checksum to patch. While the TTL is only one byte,
+		 * this function only works for 2 and 4 bytes arguments (the result is
+		 * the same).
+		 */
+		rc = bpf_l3_csum_replace(
+			skb, payload_off + offsetof(struct iphdr, check), ttl,
+			ttl - 1, 2);
+		if (rc != 0) {
+			metrics->errors_total_malformed_encapsulation++;
+			return TC_ACT_SHOT;
+		}
+
+		ttl--;
+		rc = bpf_skb_store_bytes(
+			skb, payload_off + offsetof(struct iphdr, ttl), &ttl, 1,
+			0);
+		if (rc != 0) {
+			metrics->errors_total_malformed_encapsulation++;
+			return TC_ACT_SHOT;
+		}
+	}
+
+	if (bpf_check_mtu(skb, skb->ifindex, &mtu_len, delta, 0)) {
+		metrics->errors_total_encap_mtu_violate++;
+		return TC_ACT_SHOT;
+	}
+
+	if (bpf_skb_adjust_room(skb, delta, BPF_ADJ_ROOM_NET,
+				BPF_F_ADJ_ROOM_FIXED_GSO |
+				BPF_F_ADJ_ROOM_NO_CSUM_RESET) ||
+	    bpf_csum_level(skb, BPF_CSUM_LEVEL_INC)) {
+		metrics->errors_total_encap_adjust_failed++;
+		return TC_ACT_SHOT;
+	}
+
+	if (bpf_skb_pull_data(skb, sizeof(encap_gre_t))) {
+		metrics->errors_total_encap_buffer_too_small++;
+		return TC_ACT_SHOT;
+	}
+
+	buf_t pkt = {
+		.skb = skb,
+		.head = (uint8_t *)(long)skb->data,
+		.tail = (uint8_t *)(long)skb->data_end,
+	};
+
+	encap_gre_t *encap_gre = buf_assign(&pkt, sizeof(encap_gre_t), NULL);
+	if (encap_gre == NULL) {
+		metrics->errors_total_encap_buffer_too_small++;
+		return TC_ACT_SHOT;
+	}
+
+	encap_gre->ip.protocol = IPPROTO_GRE;
+	encap_gre->ip.daddr = next_hop->s_addr;
+	encap_gre->ip.saddr = ENCAPSULATION_IP;
+	encap_gre->ip.tot_len =
+		bpf_htons(bpf_ntohs(encap_gre->ip.tot_len) + delta);
+	encap_gre->gre.flags = 0;
+	encap_gre->gre.protocol = bpf_htons(proto);
+	pkt_ipv4_checksum((void *)&encap_gre->ip);
+
+	return bpf_redirect(skb->ifindex, 0);
+}
+
+static INLINING ret_t forward_to_next_hop(struct __sk_buff *skb, encap_headers_t *encap,
+					  struct in_addr *next_hop, metrics_t *metrics)
+{
+	/* swap L2 addresses */
+	/* This assumes that packets are received from a router.
+	 * So just swapping the MAC addresses here will make the packet go back to
+	 * the router, which will send it to the appropriate machine.
+	 */
+	unsigned char temp[ETH_ALEN];
+	memcpy(temp, encap->eth.h_dest, sizeof(temp));
+	memcpy(encap->eth.h_dest, encap->eth.h_source,
+	       sizeof(encap->eth.h_dest));
+	memcpy(encap->eth.h_source, temp, sizeof(encap->eth.h_source));
+
+	if (encap->unigue.next_hop == encap->unigue.hop_count - 1 &&
+	    encap->unigue.last_hop_gre) {
+		return forward_with_gre(skb, encap, next_hop, metrics);
+	}
+
+	metrics->forwarded_packets_total_gue++;
+	uint32_t old_saddr = encap->ip.saddr;
+	encap->ip.saddr = encap->ip.daddr;
+	encap->ip.daddr = next_hop->s_addr;
+	if (encap->unigue.next_hop < encap->unigue.hop_count) {
+		encap->unigue.next_hop++;
+	}
+
+	/* Remove ip->saddr, add next_hop->s_addr */
+	const uint64_t off = offsetof(typeof(*encap), ip.check);
+	int ret = bpf_l3_csum_replace(skb, off, old_saddr, next_hop->s_addr, 4);
+	if (ret < 0) {
+		return TC_ACT_SHOT;
+	}
+
+	return bpf_redirect(skb->ifindex, 0);
+}
+
+static INLINING ret_t skip_next_hops(buf_t *pkt, int n)
+{
+	switch (n) {
+	case 1:
+		if (!buf_skip(pkt, sizeof(struct in_addr)))
+			return TC_ACT_SHOT;
+	case 0:
+		return CONTINUE_PROCESSING;
+
+	default:
+		return TC_ACT_SHOT;
+	}
+}
+
+/* Get the next hop from the GLB header.
+ *
+ * Sets next_hop->s_addr to 0 if there are no more hops left.
+ * pkt is positioned just after the variable length GLB header
+ * iff the call is successful.
+ */
+static INLINING ret_t get_next_hop(buf_t *pkt, encap_headers_t *encap,
+				   struct in_addr *next_hop)
+{
+	if (encap->unigue.next_hop > encap->unigue.hop_count) {
+		return TC_ACT_SHOT;
+	}
+
+	/* Skip "used" next hops. */
+	MAYBE_RETURN(skip_next_hops(pkt, encap->unigue.next_hop));
+
+	if (encap->unigue.next_hop == encap->unigue.hop_count) {
+		/* No more next hops, we are at the end of the GLB header. */
+		next_hop->s_addr = 0;
+		return CONTINUE_PROCESSING;
+	}
+
+	if (!buf_copy(pkt, next_hop, sizeof(*next_hop))) {
+		return TC_ACT_SHOT;
+	}
+
+	/* Skip the remainig next hops (may be zero). */
+	return skip_next_hops(pkt, encap->unigue.hop_count -
+					   encap->unigue.next_hop - 1);
+}
+
+/* Fill a bpf_sock_tuple to be used with the socket lookup functions.
+ * This is a kludge that let's us work around verifier limitations:
+ *
+ *    fill_tuple(&t, foo, sizeof(struct iphdr), 123, 321)
+ *
+ * clang will substitue a costant for sizeof, which allows the verifier
+ * to track it's value. Based on this, it can figure out the constant
+ * return value, and calling code works while still being "generic" to
+ * IPv4 and IPv6.
+ */
+static INLINING uint64_t fill_tuple(struct bpf_sock_tuple *tuple, void *iph,
+				    uint64_t iphlen, uint16_t sport, uint16_t dport)
+{
+	switch (iphlen) {
+	case sizeof(struct iphdr): {
+		struct iphdr *ipv4 = (struct iphdr *)iph;
+		tuple->ipv4.daddr = ipv4->daddr;
+		tuple->ipv4.saddr = ipv4->saddr;
+		tuple->ipv4.sport = sport;
+		tuple->ipv4.dport = dport;
+		return sizeof(tuple->ipv4);
+	}
+
+	case sizeof(struct ipv6hdr): {
+		struct ipv6hdr *ipv6 = (struct ipv6hdr *)iph;
+		memcpy(&tuple->ipv6.daddr, &ipv6->daddr,
+		       sizeof(tuple->ipv6.daddr));
+		memcpy(&tuple->ipv6.saddr, &ipv6->saddr,
+		       sizeof(tuple->ipv6.saddr));
+		tuple->ipv6.sport = sport;
+		tuple->ipv6.dport = dport;
+		return sizeof(tuple->ipv6);
+	}
+
+	default:
+		return 0;
+	}
+}
+
+static INLINING verdict_t classify_tcp(struct __sk_buff *skb,
+				       struct bpf_sock_tuple *tuple, uint64_t tuplen,
+				       void *iph, struct tcphdr *tcp)
+{
+	struct bpf_sock *sk =
+		bpf_skc_lookup_tcp(skb, tuple, tuplen, BPF_F_CURRENT_NETNS, 0);
+	if (sk == NULL) {
+		return UNKNOWN;
+	}
+
+	if (sk->state != BPF_TCP_LISTEN) {
+		bpf_sk_release(sk);
+		return ESTABLISHED;
+	}
+
+	if (iph != NULL && tcp != NULL) {
+		/* Kludge: we've run out of arguments, but need the length of the ip header. */
+		uint64_t iphlen = sizeof(struct iphdr);
+		if (tuplen == sizeof(tuple->ipv6)) {
+			iphlen = sizeof(struct ipv6hdr);
+		}
+
+		if (bpf_tcp_check_syncookie(sk, iph, iphlen, tcp,
+					    sizeof(*tcp)) == 0) {
+			bpf_sk_release(sk);
+			return SYN_COOKIE;
+		}
+	}
+
+	bpf_sk_release(sk);
+	return UNKNOWN;
+}
+
+static INLINING verdict_t classify_udp(struct __sk_buff *skb,
+				       struct bpf_sock_tuple *tuple, uint64_t tuplen)
+{
+	struct bpf_sock *sk =
+		bpf_sk_lookup_udp(skb, tuple, tuplen, BPF_F_CURRENT_NETNS, 0);
+	if (sk == NULL) {
+		return UNKNOWN;
+	}
+
+	if (sk->state == BPF_TCP_ESTABLISHED) {
+		bpf_sk_release(sk);
+		return ESTABLISHED;
+	}
+
+	bpf_sk_release(sk);
+	return UNKNOWN;
+}
+
+static INLINING verdict_t classify_icmp(struct __sk_buff *skb, uint8_t proto,
+					struct bpf_sock_tuple *tuple, uint64_t tuplen,
+					metrics_t *metrics)
+{
+	switch (proto) {
+	case IPPROTO_TCP:
+		return classify_tcp(skb, tuple, tuplen, NULL, NULL);
+
+	case IPPROTO_UDP:
+		return classify_udp(skb, tuple, tuplen);
+
+	default:
+		metrics->errors_total_malformed_icmp++;
+		return INVALID;
+	}
+}
+
+static INLINING verdict_t process_icmpv4(buf_t *pkt, metrics_t *metrics)
+{
+	struct icmphdr icmp;
+	if (!buf_copy(pkt, &icmp, sizeof(icmp))) {
+		metrics->errors_total_malformed_icmp++;
+		return INVALID;
+	}
+
+	/* We should never receive encapsulated echo replies. */
+	if (icmp.type == ICMP_ECHOREPLY) {
+		metrics->errors_total_icmp_echo_replies++;
+		return INVALID;
+	}
+
+	if (icmp.type == ICMP_ECHO) {
+		return ECHO_REQUEST;
+	}
+
+	if (icmp.type != ICMP_DEST_UNREACH || icmp.code != ICMP_FRAG_NEEDED) {
+		metrics->errors_total_unwanted_icmp++;
+		return INVALID;
+	}
+
+	struct iphdr _ip4;
+	const struct iphdr *ipv4 = pkt_parse_ipv4(pkt, &_ip4);
+	if (ipv4 == NULL) {
+		metrics->errors_total_malformed_icmp_pkt_too_big++;
+		return INVALID;
+	}
+
+	/* The source address in the outer IP header is from the entity that
+	 * originated the ICMP message. Use the original IP header to restore
+	 * the correct flow tuple.
+	 */
+	struct bpf_sock_tuple tuple;
+	tuple.ipv4.saddr = ipv4->daddr;
+	tuple.ipv4.daddr = ipv4->saddr;
+
+	if (!pkt_parse_icmp_l4_ports(pkt, (flow_ports_t *)&tuple.ipv4.sport)) {
+		metrics->errors_total_malformed_icmp_pkt_too_big++;
+		return INVALID;
+	}
+
+	return classify_icmp(pkt->skb, ipv4->protocol, &tuple,
+			     sizeof(tuple.ipv4), metrics);
+}
+
+static INLINING verdict_t process_icmpv6(buf_t *pkt, metrics_t *metrics)
+{
+	struct icmp6hdr icmp6;
+	if (!buf_copy(pkt, &icmp6, sizeof(icmp6))) {
+		metrics->errors_total_malformed_icmp++;
+		return INVALID;
+	}
+
+	/* We should never receive encapsulated echo replies. */
+	if (icmp6.icmp6_type == ICMPV6_ECHO_REPLY) {
+		metrics->errors_total_icmp_echo_replies++;
+		return INVALID;
+	}
+
+	if (icmp6.icmp6_type == ICMPV6_ECHO_REQUEST) {
+		return ECHO_REQUEST;
+	}
+
+	if (icmp6.icmp6_type != ICMPV6_PKT_TOOBIG) {
+		metrics->errors_total_unwanted_icmp++;
+		return INVALID;
+	}
+
+	bool is_fragment;
+	uint8_t l4_proto;
+	struct ipv6hdr _ipv6;
+	const struct ipv6hdr *ipv6 =
+		pkt_parse_ipv6(pkt, &_ipv6, &l4_proto, &is_fragment);
+	if (ipv6 == NULL) {
+		metrics->errors_total_malformed_icmp_pkt_too_big++;
+		return INVALID;
+	}
+
+	if (is_fragment) {
+		metrics->errors_total_fragmented_ip++;
+		return INVALID;
+	}
+
+	/* Swap source and dest addresses. */
+	struct bpf_sock_tuple tuple;
+	memcpy(&tuple.ipv6.saddr, &ipv6->daddr, sizeof(tuple.ipv6.saddr));
+	memcpy(&tuple.ipv6.daddr, &ipv6->saddr, sizeof(tuple.ipv6.daddr));
+
+	if (!pkt_parse_icmp_l4_ports(pkt, (flow_ports_t *)&tuple.ipv6.sport)) {
+		metrics->errors_total_malformed_icmp_pkt_too_big++;
+		return INVALID;
+	}
+
+	return classify_icmp(pkt->skb, l4_proto, &tuple, sizeof(tuple.ipv6),
+			     metrics);
+}
+
+static INLINING verdict_t process_tcp(buf_t *pkt, void *iph, uint64_t iphlen,
+				      metrics_t *metrics)
+{
+	metrics->l4_protocol_packets_total_tcp++;
+
+	struct tcphdr _tcp;
+	struct tcphdr *tcp = buf_assign(pkt, sizeof(_tcp), &_tcp);
+	if (tcp == NULL) {
+		metrics->errors_total_malformed_tcp++;
+		return INVALID;
+	}
+
+	if (tcp->syn) {
+		return SYN;
+	}
+
+	struct bpf_sock_tuple tuple;
+	uint64_t tuplen =
+		fill_tuple(&tuple, iph, iphlen, tcp->source, tcp->dest);
+	return classify_tcp(pkt->skb, &tuple, tuplen, iph, tcp);
+}
+
+static INLINING verdict_t process_udp(buf_t *pkt, void *iph, uint64_t iphlen,
+				      metrics_t *metrics)
+{
+	metrics->l4_protocol_packets_total_udp++;
+
+	struct udphdr _udp;
+	struct udphdr *udph = buf_assign(pkt, sizeof(_udp), &_udp);
+	if (udph == NULL) {
+		metrics->errors_total_malformed_udp++;
+		return INVALID;
+	}
+
+	struct bpf_sock_tuple tuple;
+	uint64_t tuplen =
+		fill_tuple(&tuple, iph, iphlen, udph->source, udph->dest);
+	return classify_udp(pkt->skb, &tuple, tuplen);
+}
+
+static INLINING verdict_t process_ipv4(buf_t *pkt, metrics_t *metrics)
+{
+	metrics->l3_protocol_packets_total_ipv4++;
+
+	struct iphdr _ip4;
+	struct iphdr *ipv4 = pkt_parse_ipv4(pkt, &_ip4);
+	if (ipv4 == NULL) {
+		metrics->errors_total_malformed_ip++;
+		return INVALID;
+	}
+
+	if (ipv4->version != 4) {
+		metrics->errors_total_malformed_ip++;
+		return INVALID;
+	}
+
+	if (ipv4_is_fragment(ipv4)) {
+		metrics->errors_total_fragmented_ip++;
+		return INVALID;
+	}
+
+	switch (ipv4->protocol) {
+	case IPPROTO_ICMP:
+		return process_icmpv4(pkt, metrics);
+
+	case IPPROTO_TCP:
+		return process_tcp(pkt, ipv4, sizeof(*ipv4), metrics);
+
+	case IPPROTO_UDP:
+		return process_udp(pkt, ipv4, sizeof(*ipv4), metrics);
+
+	default:
+		metrics->errors_total_unknown_l4_proto++;
+		return INVALID;
+	}
+}
+
+static INLINING verdict_t process_ipv6(buf_t *pkt, metrics_t *metrics)
+{
+	metrics->l3_protocol_packets_total_ipv6++;
+
+	uint8_t l4_proto;
+	bool is_fragment;
+	struct ipv6hdr _ipv6;
+	struct ipv6hdr *ipv6 =
+		pkt_parse_ipv6(pkt, &_ipv6, &l4_proto, &is_fragment);
+	if (ipv6 == NULL) {
+		metrics->errors_total_malformed_ip++;
+		return INVALID;
+	}
+
+	if (ipv6->version != 6) {
+		metrics->errors_total_malformed_ip++;
+		return INVALID;
+	}
+
+	if (is_fragment) {
+		metrics->errors_total_fragmented_ip++;
+		return INVALID;
+	}
+
+	switch (l4_proto) {
+	case IPPROTO_ICMPV6:
+		return process_icmpv6(pkt, metrics);
+
+	case IPPROTO_TCP:
+		return process_tcp(pkt, ipv6, sizeof(*ipv6), metrics);
+
+	case IPPROTO_UDP:
+		return process_udp(pkt, ipv6, sizeof(*ipv6), metrics);
+
+	default:
+		metrics->errors_total_unknown_l4_proto++;
+		return INVALID;
+	}
+}
+
+SEC("tc")
+int cls_redirect(struct __sk_buff *skb)
+{
+	metrics_t *metrics = get_global_metrics();
+	if (metrics == NULL) {
+		return TC_ACT_SHOT;
+	}
+
+	metrics->processed_packets_total++;
+
+	/* Pass bogus packets as long as we're not sure they're
+	 * destined for us.
+	 */
+	if (skb->protocol != bpf_htons(ETH_P_IP)) {
+		return TC_ACT_OK;
+	}
+
+	encap_headers_t *encap;
+
+	/* Make sure that all encapsulation headers are available in
+	 * the linear portion of the skb. This makes it easy to manipulate them.
+	 */
+	if (bpf_skb_pull_data(skb, sizeof(*encap))) {
+		return TC_ACT_OK;
+	}
+
+	buf_t pkt = {
+		.skb = skb,
+		.head = (uint8_t *)(long)skb->data,
+		.tail = (uint8_t *)(long)skb->data_end,
+	};
+
+	encap = buf_assign(&pkt, sizeof(*encap), NULL);
+	if (encap == NULL) {
+		return TC_ACT_OK;
+	}
+
+	if (encap->ip.ihl != 5) {
+		/* We never have any options. */
+		return TC_ACT_OK;
+	}
+
+	if (encap->ip.daddr != ENCAPSULATION_IP ||
+	    encap->ip.protocol != IPPROTO_UDP) {
+		return TC_ACT_OK;
+	}
+
+	/* TODO Check UDP length? */
+	if (encap->udp.dest != ENCAPSULATION_PORT) {
+		return TC_ACT_OK;
+	}
+
+	/* We now know that the packet is destined to us, we can
+	 * drop bogus ones.
+	 */
+	if (ipv4_is_fragment((void *)&encap->ip)) {
+		metrics->errors_total_fragmented_ip++;
+		return TC_ACT_SHOT;
+	}
+
+	if (encap->gue.variant != 0) {
+		metrics->errors_total_malformed_encapsulation++;
+		return TC_ACT_SHOT;
+	}
+
+	if (encap->gue.control != 0) {
+		metrics->errors_total_malformed_encapsulation++;
+		return TC_ACT_SHOT;
+	}
+
+	if (encap->gue.flags != 0) {
+		metrics->errors_total_malformed_encapsulation++;
+		return TC_ACT_SHOT;
+	}
+
+	if (encap->gue.hlen !=
+	    sizeof(encap->unigue) / 4 + encap->unigue.hop_count) {
+		metrics->errors_total_malformed_encapsulation++;
+		return TC_ACT_SHOT;
+	}
+
+	if (encap->unigue.version != 0) {
+		metrics->errors_total_malformed_encapsulation++;
+		return TC_ACT_SHOT;
+	}
+
+	if (encap->unigue.reserved != 0) {
+		return TC_ACT_SHOT;
+	}
+
+	struct in_addr next_hop;
+	MAYBE_RETURN(get_next_hop(&pkt, encap, &next_hop));
+
+	if (next_hop.s_addr == 0) {
+		metrics->accepted_packets_total_last_hop++;
+		return accept_locally(skb, encap);
+	}
+
+	verdict_t verdict;
+	switch (encap->gue.proto_ctype) {
+	case IPPROTO_IPIP:
+		verdict = process_ipv4(&pkt, metrics);
+		break;
+
+	case IPPROTO_IPV6:
+		verdict = process_ipv6(&pkt, metrics);
+		break;
+
+	default:
+		metrics->errors_total_unknown_l3_proto++;
+		return TC_ACT_SHOT;
+	}
+
+	switch (verdict) {
+	case INVALID:
+		/* metrics have already been bumped */
+		return TC_ACT_SHOT;
+
+	case UNKNOWN:
+		return forward_to_next_hop(skb, encap, &next_hop, metrics);
+
+	case ECHO_REQUEST:
+		metrics->accepted_packets_total_icmp_echo_request++;
+		break;
+
+	case SYN:
+		if (encap->unigue.forward_syn) {
+			return forward_to_next_hop(skb, encap, &next_hop,
+						   metrics);
+		}
+
+		metrics->accepted_packets_total_syn++;
+		break;
+
+	case SYN_COOKIE:
+		metrics->accepted_packets_total_syn_cookies++;
+		break;
+
+	case ESTABLISHED:
+		metrics->accepted_packets_total_established++;
+		break;
+	}
+
+	return accept_locally(skb, encap);
+}
diff --git a/tools/testing/selftests/bpf/progs/test_cls_redirect.h b/tools/testing/selftests/bpf/progs/test_cls_redirect.h
new file mode 100644
index 000000000..233b089d1
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_cls_redirect.h
@@ -0,0 +1,63 @@
+/* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
+/* Copyright 2019, 2020 Cloudflare */
+
+#include <stdbool.h>
+#include <stddef.h>
+#include <stdint.h>
+#include <string.h>
+
+#include <linux/if_ether.h>
+#include <linux/in.h>
+#include <linux/ip.h>
+#include <linux/ipv6.h>
+#include <linux/udp.h>
+
+/* offsetof() is used in static asserts, and the libbpf-redefined CO-RE
+ * friendly version breaks compilation for older clang versions <= 15
+ * when invoked in a static assert.  Restore original here.
+ */
+#ifdef offsetof
+#undef offsetof
+#define offsetof(type, member) __builtin_offsetof(type, member)
+#endif
+
+struct gre_base_hdr {
+	uint16_t flags;
+	uint16_t protocol;
+} __attribute__((packed));
+
+struct guehdr {
+#if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
+	uint8_t hlen : 5, control : 1, variant : 2;
+#else
+	uint8_t variant : 2, control : 1, hlen : 5;
+#endif
+	uint8_t proto_ctype;
+	uint16_t flags;
+};
+
+struct unigue {
+#if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
+	uint8_t _r : 2, last_hop_gre : 1, forward_syn : 1, version : 4;
+#else
+	uint8_t version : 4, forward_syn : 1, last_hop_gre : 1, _r : 2;
+#endif
+	uint8_t reserved;
+	uint8_t next_hop;
+	uint8_t hop_count;
+	// Next hops go here
+} __attribute__((packed));
+
+typedef struct {
+	struct ethhdr eth;
+	struct iphdr ip;
+	struct gre_base_hdr gre;
+} __attribute__((packed)) encap_gre_t;
+
+typedef struct {
+	struct ethhdr eth;
+	struct iphdr ip;
+	struct udphdr udp;
+	struct guehdr gue;
+	struct unigue unigue;
+} __attribute__((packed)) encap_headers_t;
diff --git a/tools/testing/selftests/bpf/progs/test_cls_redirect_subprogs.c b/tools/testing/selftests/bpf/progs/test_cls_redirect_subprogs.c
new file mode 100644
index 000000000..eed26b70e
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_cls_redirect_subprogs.c
@@ -0,0 +1,2 @@
+#define SUBPROGS
+#include "test_cls_redirect.c"
diff --git a/tools/testing/selftests/bpf/progs/test_core_autosize.c b/tools/testing/selftests/bpf/progs/test_core_autosize.c
new file mode 100644
index 000000000..9a7829c5e
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_core_autosize.c
@@ -0,0 +1,182 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2020 Facebook */
+
+#include <linux/bpf.h>
+#include <stdint.h>
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_core_read.h>
+
+char _license[] SEC("license") = "GPL";
+
+/* fields of exactly the same size */
+struct test_struct___samesize {
+	void *ptr;
+	unsigned long long val1;
+	unsigned int val2;
+	unsigned short val3;
+	unsigned char val4;
+} __attribute((preserve_access_index));
+
+/* unsigned fields that have to be downsized by libbpf */
+struct test_struct___downsize {
+	void *ptr;
+	unsigned long val1;
+	unsigned long val2;
+	unsigned long val3;
+	unsigned long val4;
+	/* total sz: 40 */
+} __attribute__((preserve_access_index));
+
+/* fields with signed integers of wrong size, should be rejected */
+struct test_struct___signed {
+	void *ptr;
+	long val1;
+	long val2;
+	long val3;
+	long val4;
+} __attribute((preserve_access_index));
+
+/* real layout and sizes according to test's (32-bit) BTF */
+struct test_struct___real {
+	unsigned int ptr; /* can't use `void *`, it is always 8 byte in BPF target */
+	unsigned int val2;
+	unsigned long long val1;
+	unsigned short val3;
+	unsigned char val4;
+	unsigned char _pad;
+	/* total sz: 20 */
+};
+
+struct test_struct___real input = {
+	.ptr = 0x01020304,
+	.val1 = 0x1020304050607080,
+	.val2 = 0x0a0b0c0d,
+	.val3 = 0xfeed,
+	.val4 = 0xb9,
+	._pad = 0xff, /* make sure no accidental zeros are present */
+};
+
+unsigned long long ptr_samesized = 0;
+unsigned long long val1_samesized = 0;
+unsigned long long val2_samesized = 0;
+unsigned long long val3_samesized = 0;
+unsigned long long val4_samesized = 0;
+struct test_struct___real output_samesized = {};
+
+unsigned long long ptr_downsized = 0;
+unsigned long long val1_downsized = 0;
+unsigned long long val2_downsized = 0;
+unsigned long long val3_downsized = 0;
+unsigned long long val4_downsized = 0;
+struct test_struct___real output_downsized = {};
+
+unsigned long long ptr_probed = 0;
+unsigned long long val1_probed = 0;
+unsigned long long val2_probed = 0;
+unsigned long long val3_probed = 0;
+unsigned long long val4_probed = 0;
+
+unsigned long long ptr_signed = 0;
+unsigned long long val1_signed = 0;
+unsigned long long val2_signed = 0;
+unsigned long long val3_signed = 0;
+unsigned long long val4_signed = 0;
+struct test_struct___real output_signed = {};
+
+SEC("raw_tp/sys_exit")
+int handle_samesize(void *ctx)
+{
+	struct test_struct___samesize *in = (void *)&input;
+	struct test_struct___samesize *out = (void *)&output_samesized;
+
+	ptr_samesized = (unsigned long long)in->ptr;
+	val1_samesized = in->val1;
+	val2_samesized = in->val2;
+	val3_samesized = in->val3;
+	val4_samesized = in->val4;
+
+	out->ptr = in->ptr;
+	out->val1 = in->val1;
+	out->val2 = in->val2;
+	out->val3 = in->val3;
+	out->val4 = in->val4;
+
+	return 0;
+}
+
+SEC("raw_tp/sys_exit")
+int handle_downsize(void *ctx)
+{
+	struct test_struct___downsize *in = (void *)&input;
+	struct test_struct___downsize *out = (void *)&output_downsized;
+
+	ptr_downsized = (unsigned long long)in->ptr;
+	val1_downsized = in->val1;
+	val2_downsized = in->val2;
+	val3_downsized = in->val3;
+	val4_downsized = in->val4;
+
+	out->ptr = in->ptr;
+	out->val1 = in->val1;
+	out->val2 = in->val2;
+	out->val3 = in->val3;
+	out->val4 = in->val4;
+
+	return 0;
+}
+
+#if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
+#define bpf_core_read_int bpf_core_read
+#else
+#define bpf_core_read_int(dst, sz, src) ({ \
+	/* Prevent "subtraction from stack pointer prohibited" */ \
+	volatile long __off = sizeof(*dst) - (sz); \
+	bpf_core_read((char *)(dst) + __off, sz, src); \
+})
+#endif
+
+SEC("raw_tp/sys_enter")
+int handle_probed(void *ctx)
+{
+	struct test_struct___downsize *in = (void *)&input;
+	__u64 tmp;
+
+	tmp = 0;
+	bpf_core_read_int(&tmp, bpf_core_field_size(in->ptr), &in->ptr);
+	ptr_probed = tmp;
+
+	tmp = 0;
+	bpf_core_read_int(&tmp, bpf_core_field_size(in->val1), &in->val1);
+	val1_probed = tmp;
+
+	tmp = 0;
+	bpf_core_read_int(&tmp, bpf_core_field_size(in->val2), &in->val2);
+	val2_probed = tmp;
+
+	tmp = 0;
+	bpf_core_read_int(&tmp, bpf_core_field_size(in->val3), &in->val3);
+	val3_probed = tmp;
+
+	tmp = 0;
+	bpf_core_read_int(&tmp, bpf_core_field_size(in->val4), &in->val4);
+	val4_probed = tmp;
+
+	return 0;
+}
+
+SEC("raw_tp/sys_enter")
+int handle_signed(void *ctx)
+{
+	struct test_struct___signed *in = (void *)&input;
+	struct test_struct___signed *out = (void *)&output_signed;
+
+	val2_signed = in->val2;
+	val3_signed = in->val3;
+	val4_signed = in->val4;
+
+	out->val2= in->val2;
+	out->val3= in->val3;
+	out->val4= in->val4;
+
+	return 0;
+}
diff --git a/tools/testing/selftests/bpf/progs/test_core_extern.c b/tools/testing/selftests/bpf/progs/test_core_extern.c
new file mode 100644
index 000000000..a3c7c1042
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_core_extern.c
@@ -0,0 +1,65 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2019 Facebook */
+
+#include <stdint.h>
+#include <stdbool.h>
+#include <linux/ptrace.h>
+#include <linux/bpf.h>
+#include <bpf/bpf_helpers.h>
+
+/* non-existing BPF helper, to test dead code elimination */
+static int (*bpf_missing_helper)(const void *arg1, int arg2) = (void *) 999;
+
+extern int LINUX_KERNEL_VERSION __kconfig;
+extern int LINUX_UNKNOWN_VIRTUAL_EXTERN __kconfig __weak;
+extern bool CONFIG_BPF_SYSCALL __kconfig; /* strong */
+extern enum libbpf_tristate CONFIG_TRISTATE __kconfig __weak;
+extern bool CONFIG_BOOL __kconfig __weak;
+extern char CONFIG_CHAR __kconfig __weak;
+extern uint16_t CONFIG_USHORT __kconfig __weak;
+extern int CONFIG_INT __kconfig __weak;
+extern uint64_t CONFIG_ULONG __kconfig __weak;
+extern const char CONFIG_STR[8] __kconfig __weak;
+extern uint64_t CONFIG_MISSING __kconfig __weak;
+
+uint64_t kern_ver = -1;
+uint64_t unkn_virt_val = -1;
+uint64_t bpf_syscall = -1;
+uint64_t tristate_val = -1;
+uint64_t bool_val = -1;
+uint64_t char_val = -1;
+uint64_t ushort_val = -1;
+uint64_t int_val = -1;
+uint64_t ulong_val = -1;
+char str_val[8] = {-1, -1, -1, -1, -1, -1, -1, -1};
+uint64_t missing_val = -1;
+
+SEC("raw_tp/sys_enter")
+int handle_sys_enter(struct pt_regs *ctx)
+{
+	int i;
+
+	kern_ver = LINUX_KERNEL_VERSION;
+	unkn_virt_val = LINUX_UNKNOWN_VIRTUAL_EXTERN;
+	bpf_syscall = CONFIG_BPF_SYSCALL;
+	tristate_val = CONFIG_TRISTATE;
+	bool_val = CONFIG_BOOL;
+	char_val = CONFIG_CHAR;
+	ushort_val = CONFIG_USHORT;
+	int_val = CONFIG_INT;
+	ulong_val = CONFIG_ULONG;
+
+	for (i = 0; i < sizeof(CONFIG_STR); i++) {
+		str_val[i] = CONFIG_STR[i];
+	}
+
+	if (CONFIG_MISSING)
+		/* invalid, but dead code - never executed */
+		missing_val = bpf_missing_helper(ctx, 123);
+	else
+		missing_val = 0xDEADC0DE;
+
+	return 0;
+}
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/test_core_read_macros.c b/tools/testing/selftests/bpf/progs/test_core_read_macros.c
new file mode 100644
index 000000000..fd54caa17
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_core_read_macros.c
@@ -0,0 +1,50 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (c) 2020 Facebook
+
+#include "vmlinux.h"
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_core_read.h>
+
+char _license[] SEC("license") = "GPL";
+
+/* shuffled layout for relocatable (CO-RE) reads */
+struct callback_head___shuffled {
+	void (*func)(struct callback_head___shuffled *head);
+	struct callback_head___shuffled *next;
+};
+
+struct callback_head k_probe_in = {};
+struct callback_head___shuffled k_core_in = {};
+
+struct callback_head *u_probe_in = 0;
+struct callback_head___shuffled *u_core_in = 0;
+
+long k_probe_out = 0;
+long u_probe_out = 0;
+
+long k_core_out = 0;
+long u_core_out = 0;
+
+int my_pid = 0;
+
+SEC("raw_tracepoint/sys_enter")
+int handler(void *ctx)
+{
+	int pid = bpf_get_current_pid_tgid() >> 32;
+
+	if (my_pid != pid)
+		return 0;
+
+	/* next pointers for kernel address space have to be initialized from
+	 * BPF side, user-space mmaped addresses are stil user-space addresses
+	 */
+	k_probe_in.next = &k_probe_in;
+	__builtin_preserve_access_index(({k_core_in.next = &k_core_in;}));
+
+	k_probe_out = (long)BPF_PROBE_READ(&k_probe_in, next, next, func);
+	k_core_out = (long)BPF_CORE_READ(&k_core_in, next, next, func);
+	u_probe_out = (long)BPF_PROBE_READ_USER(u_probe_in, next, next, func);
+	u_core_out = (long)BPF_CORE_READ_USER(u_core_in, next, next, func);
+
+	return 0;
+}
diff --git a/tools/testing/selftests/bpf/progs/test_core_reloc_arrays.c b/tools/testing/selftests/bpf/progs/test_core_reloc_arrays.c
new file mode 100644
index 000000000..51b3f79df
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_core_reloc_arrays.c
@@ -0,0 +1,58 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (c) 2019 Facebook
+
+#include <linux/bpf.h>
+#include <stdint.h>
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_core_read.h>
+
+char _license[] SEC("license") = "GPL";
+
+struct {
+	char in[256];
+	char out[256];
+} data = {};
+
+struct core_reloc_arrays_output {
+	int a2;
+	char b123;
+	int c1c;
+	int d00d;
+	int f01c;
+};
+
+struct core_reloc_arrays_substruct {
+	int c;
+	int d;
+};
+
+struct core_reloc_arrays {
+	int a[5];
+	char b[2][3][4];
+	struct core_reloc_arrays_substruct c[3];
+	struct core_reloc_arrays_substruct d[1][2];
+	struct core_reloc_arrays_substruct f[][2];
+};
+
+#define CORE_READ(dst, src) bpf_core_read(dst, sizeof(*(dst)), src)
+
+SEC("raw_tracepoint/sys_enter")
+int test_core_arrays(void *ctx)
+{
+	struct core_reloc_arrays *in = (void *)&data.in;
+	struct core_reloc_arrays_output *out = (void *)&data.out;
+
+	if (CORE_READ(&out->a2, &in->a[2]))
+		return 1;
+	if (CORE_READ(&out->b123, &in->b[1][2][3]))
+		return 1;
+	if (CORE_READ(&out->c1c, &in->c[1].c))
+		return 1;
+	if (CORE_READ(&out->d00d, &in->d[0][0].d))
+		return 1;
+	if (CORE_READ(&out->f01c, &in->f[0][1].c))
+		return 1;
+
+	return 0;
+}
+
diff --git a/tools/testing/selftests/bpf/progs/test_core_reloc_bitfields_direct.c b/tools/testing/selftests/bpf/progs/test_core_reloc_bitfields_direct.c
new file mode 100644
index 000000000..56aec2021
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_core_reloc_bitfields_direct.c
@@ -0,0 +1,63 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (c) 2019 Facebook
+
+#include <linux/bpf.h>
+#include <stdint.h>
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_core_read.h>
+
+char _license[] SEC("license") = "GPL";
+
+struct {
+	char in[256];
+	char out[256];
+} data = {};
+
+struct core_reloc_bitfields {
+	/* unsigned bitfields */
+	uint8_t		ub1: 1;
+	uint8_t		ub2: 2;
+	uint32_t	ub7: 7;
+	/* signed bitfields */
+	int8_t		sb4: 4;
+	int32_t		sb20: 20;
+	/* non-bitfields */
+	uint32_t	u32;
+	int32_t		s32;
+};
+
+/* bitfield read results, all as plain integers */
+struct core_reloc_bitfields_output {
+	int64_t		ub1;
+	int64_t		ub2;
+	int64_t		ub7;
+	int64_t		sb4;
+	int64_t		sb20;
+	int64_t		u32;
+	int64_t		s32;
+};
+
+struct pt_regs;
+
+struct trace_sys_enter {
+	struct pt_regs *regs;
+	long id;
+};
+
+SEC("tp_btf/sys_enter")
+int test_core_bitfields_direct(void *ctx)
+{
+	struct core_reloc_bitfields *in = (void *)&data.in;
+	struct core_reloc_bitfields_output *out = (void *)&data.out;
+
+	out->ub1 = BPF_CORE_READ_BITFIELD(in, ub1);
+	out->ub2 = BPF_CORE_READ_BITFIELD(in, ub2);
+	out->ub7 = BPF_CORE_READ_BITFIELD(in, ub7);
+	out->sb4 = BPF_CORE_READ_BITFIELD(in, sb4);
+	out->sb20 = BPF_CORE_READ_BITFIELD(in, sb20);
+	out->u32 = BPF_CORE_READ_BITFIELD(in, u32);
+	out->s32 = BPF_CORE_READ_BITFIELD(in, s32);
+
+	return 0;
+}
+
diff --git a/tools/testing/selftests/bpf/progs/test_core_reloc_bitfields_probed.c b/tools/testing/selftests/bpf/progs/test_core_reloc_bitfields_probed.c
new file mode 100644
index 000000000..ab1e647ae
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_core_reloc_bitfields_probed.c
@@ -0,0 +1,57 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (c) 2019 Facebook
+
+#include <linux/bpf.h>
+#include <stdint.h>
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_core_read.h>
+
+char _license[] SEC("license") = "GPL";
+
+struct {
+	char in[256];
+	char out[256];
+} data = {};
+
+struct core_reloc_bitfields {
+	/* unsigned bitfields */
+	uint8_t		ub1: 1;
+	uint8_t		ub2: 2;
+	uint32_t	ub7: 7;
+	/* signed bitfields */
+	int8_t		sb4: 4;
+	int32_t		sb20: 20;
+	/* non-bitfields */
+	uint32_t	u32;
+	int32_t		s32;
+};
+
+/* bitfield read results, all as plain integers */
+struct core_reloc_bitfields_output {
+	int64_t		ub1;
+	int64_t		ub2;
+	int64_t		ub7;
+	int64_t		sb4;
+	int64_t		sb20;
+	int64_t		u32;
+	int64_t		s32;
+};
+
+SEC("raw_tracepoint/sys_enter")
+int test_core_bitfields(void *ctx)
+{
+	struct core_reloc_bitfields *in = (void *)&data.in;
+	struct core_reloc_bitfields_output *out = (void *)&data.out;
+	uint64_t res;
+
+	out->ub1 = BPF_CORE_READ_BITFIELD_PROBED(in, ub1);
+	out->ub2 = BPF_CORE_READ_BITFIELD_PROBED(in, ub2);
+	out->ub7 = BPF_CORE_READ_BITFIELD_PROBED(in, ub7);
+	out->sb4 = BPF_CORE_READ_BITFIELD_PROBED(in, sb4);
+	out->sb20 = BPF_CORE_READ_BITFIELD_PROBED(in, sb20);
+	out->u32 = BPF_CORE_READ_BITFIELD_PROBED(in, u32);
+	out->s32 = BPF_CORE_READ_BITFIELD_PROBED(in, s32);
+
+	return 0;
+}
+
diff --git a/tools/testing/selftests/bpf/progs/test_core_reloc_enum64val.c b/tools/testing/selftests/bpf/progs/test_core_reloc_enum64val.c
new file mode 100644
index 000000000..63147fbfa
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_core_reloc_enum64val.c
@@ -0,0 +1,70 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2022 Meta Platforms, Inc. and affiliates. */
+
+#include <linux/bpf.h>
+#include <stdint.h>
+#include <stdbool.h>
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_core_read.h>
+
+char _license[] SEC("license") = "GPL";
+
+struct {
+	char in[256];
+	char out[256];
+	bool skip;
+} data = {};
+
+enum named_unsigned_enum64 {
+	UNSIGNED_ENUM64_VAL1 = 0x1ffffffffULL,
+	UNSIGNED_ENUM64_VAL2 = 0x2ffffffffULL,
+	UNSIGNED_ENUM64_VAL3 = 0x3ffffffffULL,
+};
+
+enum named_signed_enum64 {
+	SIGNED_ENUM64_VAL1 = 0x1ffffffffLL,
+	SIGNED_ENUM64_VAL2 = -2,
+	SIGNED_ENUM64_VAL3 = 0x3ffffffffLL,
+};
+
+struct core_reloc_enum64val_output {
+	bool unsigned_val1_exists;
+	bool unsigned_val2_exists;
+	bool unsigned_val3_exists;
+	bool signed_val1_exists;
+	bool signed_val2_exists;
+	bool signed_val3_exists;
+
+	long unsigned_val1;
+	long unsigned_val2;
+	long signed_val1;
+	long signed_val2;
+};
+
+SEC("raw_tracepoint/sys_enter")
+int test_core_enum64val(void *ctx)
+{
+#if __clang_major__ >= 15
+	struct core_reloc_enum64val_output *out = (void *)&data.out;
+	enum named_unsigned_enum64 named_unsigned = 0;
+	enum named_signed_enum64 named_signed = 0;
+
+	out->unsigned_val1_exists = bpf_core_enum_value_exists(named_unsigned, UNSIGNED_ENUM64_VAL1);
+	out->unsigned_val2_exists = bpf_core_enum_value_exists(enum named_unsigned_enum64, UNSIGNED_ENUM64_VAL2);
+	out->unsigned_val3_exists = bpf_core_enum_value_exists(enum named_unsigned_enum64, UNSIGNED_ENUM64_VAL3);
+	out->signed_val1_exists = bpf_core_enum_value_exists(named_signed, SIGNED_ENUM64_VAL1);
+	out->signed_val2_exists = bpf_core_enum_value_exists(enum named_signed_enum64, SIGNED_ENUM64_VAL2);
+	out->signed_val3_exists = bpf_core_enum_value_exists(enum named_signed_enum64, SIGNED_ENUM64_VAL3);
+
+	out->unsigned_val1 = bpf_core_enum_value(named_unsigned, UNSIGNED_ENUM64_VAL1);
+	out->unsigned_val2 = bpf_core_enum_value(named_unsigned, UNSIGNED_ENUM64_VAL2);
+	out->signed_val1 = bpf_core_enum_value(named_signed, SIGNED_ENUM64_VAL1);
+	out->signed_val2 = bpf_core_enum_value(named_signed, SIGNED_ENUM64_VAL2);
+	/* NAMED_ENUM64_VAL3 value is optional */
+
+#else
+	data.skip = true;
+#endif
+
+	return 0;
+}
diff --git a/tools/testing/selftests/bpf/progs/test_core_reloc_enumval.c b/tools/testing/selftests/bpf/progs/test_core_reloc_enumval.c
new file mode 100644
index 000000000..e7ef3dada
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_core_reloc_enumval.c
@@ -0,0 +1,72 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (c) 2020 Facebook
+
+#include <linux/bpf.h>
+#include <stdint.h>
+#include <stdbool.h>
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_core_read.h>
+
+char _license[] SEC("license") = "GPL";
+
+struct {
+	char in[256];
+	char out[256];
+	bool skip;
+} data = {};
+
+enum named_enum {
+	NAMED_ENUM_VAL1 = 1,
+	NAMED_ENUM_VAL2 = 2,
+	NAMED_ENUM_VAL3 = 3,
+};
+
+typedef enum {
+	ANON_ENUM_VAL1 = 0x10,
+	ANON_ENUM_VAL2 = 0x20,
+	ANON_ENUM_VAL3 = 0x30,
+} anon_enum;
+
+struct core_reloc_enumval_output {
+	bool named_val1_exists;
+	bool named_val2_exists;
+	bool named_val3_exists;
+	bool anon_val1_exists;
+	bool anon_val2_exists;
+	bool anon_val3_exists;
+
+	int named_val1;
+	int named_val2;
+	int anon_val1;
+	int anon_val2;
+};
+
+SEC("raw_tracepoint/sys_enter")
+int test_core_enumval(void *ctx)
+{
+#if __has_builtin(__builtin_preserve_enum_value)
+	struct core_reloc_enumval_output *out = (void *)&data.out;
+	enum named_enum named = 0;
+	anon_enum anon = 0;
+
+	out->named_val1_exists = bpf_core_enum_value_exists(named, NAMED_ENUM_VAL1);
+	out->named_val2_exists = bpf_core_enum_value_exists(enum named_enum, NAMED_ENUM_VAL2);
+	out->named_val3_exists = bpf_core_enum_value_exists(enum named_enum, NAMED_ENUM_VAL3);
+
+	out->anon_val1_exists = bpf_core_enum_value_exists(anon, ANON_ENUM_VAL1);
+	out->anon_val2_exists = bpf_core_enum_value_exists(anon_enum, ANON_ENUM_VAL2);
+	out->anon_val3_exists = bpf_core_enum_value_exists(anon_enum, ANON_ENUM_VAL3);
+
+	out->named_val1 = bpf_core_enum_value(named, NAMED_ENUM_VAL1);
+	out->named_val2 = bpf_core_enum_value(named, NAMED_ENUM_VAL2);
+	/* NAMED_ENUM_VAL3 value is optional */
+
+	out->anon_val1 = bpf_core_enum_value(anon, ANON_ENUM_VAL1);
+	out->anon_val2 = bpf_core_enum_value(anon, ANON_ENUM_VAL2);
+	/* ANON_ENUM_VAL3 value is optional */
+#else
+	data.skip = true;
+#endif
+
+	return 0;
+}
diff --git a/tools/testing/selftests/bpf/progs/test_core_reloc_existence.c b/tools/testing/selftests/bpf/progs/test_core_reloc_existence.c
new file mode 100644
index 000000000..5b8a75097
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_core_reloc_existence.c
@@ -0,0 +1,78 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (c) 2019 Facebook
+
+#include <linux/bpf.h>
+#include <stdint.h>
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_core_read.h>
+
+char _license[] SEC("license") = "GPL";
+
+struct {
+	char in[256];
+	char out[256];
+} data = {};
+
+struct core_reloc_existence_output {
+	int a_exists;
+	int a_value;
+	int b_exists;
+	int b_value;
+	int c_exists;
+	int c_value;
+	int arr_exists;
+	int arr_value;
+	int s_exists;
+	int s_value;
+};
+
+struct core_reloc_existence {
+	struct {
+		int x;
+	} s;
+	int arr[1];
+	int a;
+	struct {
+		int b;
+	};
+	int c;
+};
+
+SEC("raw_tracepoint/sys_enter")
+int test_core_existence(void *ctx)
+{
+	struct core_reloc_existence *in = (void *)&data.in;
+	struct core_reloc_existence_output *out = (void *)&data.out;
+
+	out->a_exists = bpf_core_field_exists(in->a);
+	if (bpf_core_field_exists(struct core_reloc_existence, a))
+		out->a_value = BPF_CORE_READ(in, a);
+	else
+		out->a_value = 0xff000001u;
+
+	out->b_exists = bpf_core_field_exists(in->b);
+	if (bpf_core_field_exists(struct core_reloc_existence, b))
+		out->b_value = BPF_CORE_READ(in, b);
+	else
+		out->b_value = 0xff000002u;
+
+	out->c_exists = bpf_core_field_exists(in->c);
+	if (bpf_core_field_exists(struct core_reloc_existence, c))
+		out->c_value = BPF_CORE_READ(in, c);
+	else
+		out->c_value = 0xff000003u;
+
+	out->arr_exists = bpf_core_field_exists(in->arr);
+	if (bpf_core_field_exists(struct core_reloc_existence, arr))
+		out->arr_value = BPF_CORE_READ(in, arr[0]);
+	else
+		out->arr_value = 0xff000004u;
+
+	out->s_exists = bpf_core_field_exists(in->s);
+	if (bpf_core_field_exists(struct core_reloc_existence, s))
+		out->s_value = BPF_CORE_READ(in, s.x);
+	else
+		out->s_value = 0xff000005u;
+
+	return 0;
+}
diff --git a/tools/testing/selftests/bpf/progs/test_core_reloc_flavors.c b/tools/testing/selftests/bpf/progs/test_core_reloc_flavors.c
new file mode 100644
index 000000000..525acc2f8
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_core_reloc_flavors.c
@@ -0,0 +1,65 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (c) 2019 Facebook
+
+#include <linux/bpf.h>
+#include <stdint.h>
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_core_read.h>
+
+char _license[] SEC("license") = "GPL";
+
+struct {
+	char in[256];
+	char out[256];
+} data = {};
+
+struct core_reloc_flavors {
+	int a;
+	int b;
+	int c;
+};
+
+/* local flavor with reversed layout */
+struct core_reloc_flavors___reversed {
+	int c;
+	int b;
+	int a;
+};
+
+/* local flavor with nested/overlapping layout */
+struct core_reloc_flavors___weird {
+	struct {
+		int b;
+	};
+	/* a and c overlap in local flavor, but this should still work
+	 * correctly with target original flavor
+	 */
+	union {
+		int a;
+		int c;
+	};
+};
+
+#define CORE_READ(dst, src) bpf_core_read(dst, sizeof(*(dst)), src)
+
+SEC("raw_tracepoint/sys_enter")
+int test_core_flavors(void *ctx)
+{
+	struct core_reloc_flavors *in_orig = (void *)&data.in;
+	struct core_reloc_flavors___reversed *in_rev = (void *)&data.in;
+	struct core_reloc_flavors___weird *in_weird = (void *)&data.in;
+	struct core_reloc_flavors *out = (void *)&data.out;
+
+	/* read a using weird layout */
+	if (CORE_READ(&out->a, &in_weird->a))
+		return 1;
+	/* read b using reversed layout */
+	if (CORE_READ(&out->b, &in_rev->b))
+		return 1;
+	/* read c using original layout */
+	if (CORE_READ(&out->c, &in_orig->c))
+		return 1;
+
+	return 0;
+}
+
diff --git a/tools/testing/selftests/bpf/progs/test_core_reloc_ints.c b/tools/testing/selftests/bpf/progs/test_core_reloc_ints.c
new file mode 100644
index 000000000..6b5290739
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_core_reloc_ints.c
@@ -0,0 +1,47 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (c) 2019 Facebook
+
+#include <linux/bpf.h>
+#include <stdint.h>
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_core_read.h>
+
+char _license[] SEC("license") = "GPL";
+
+struct {
+	char in[256];
+	char out[256];
+} data = {};
+
+struct core_reloc_ints {
+	uint8_t		u8_field;
+	int8_t		s8_field;
+	uint16_t	u16_field;
+	int16_t		s16_field;
+	uint32_t	u32_field;
+	int32_t		s32_field;
+	uint64_t	u64_field;
+	int64_t		s64_field;
+};
+
+#define CORE_READ(dst, src) bpf_core_read(dst, sizeof(*(dst)), src)
+
+SEC("raw_tracepoint/sys_enter")
+int test_core_ints(void *ctx)
+{
+	struct core_reloc_ints *in = (void *)&data.in;
+	struct core_reloc_ints *out = (void *)&data.out;
+
+	if (CORE_READ(&out->u8_field, &in->u8_field) ||
+	    CORE_READ(&out->s8_field, &in->s8_field) ||
+	    CORE_READ(&out->u16_field, &in->u16_field) ||
+	    CORE_READ(&out->s16_field, &in->s16_field) ||
+	    CORE_READ(&out->u32_field, &in->u32_field) ||
+	    CORE_READ(&out->s32_field, &in->s32_field) ||
+	    CORE_READ(&out->u64_field, &in->u64_field) ||
+	    CORE_READ(&out->s64_field, &in->s64_field))
+		return 1;
+
+	return 0;
+}
+
diff --git a/tools/testing/selftests/bpf/progs/test_core_reloc_kernel.c b/tools/testing/selftests/bpf/progs/test_core_reloc_kernel.c
new file mode 100644
index 000000000..a17dd83ea
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_core_reloc_kernel.c
@@ -0,0 +1,117 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (c) 2019 Facebook
+
+#include <linux/bpf.h>
+#include <stdint.h>
+#include <stdbool.h>
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_core_read.h>
+
+char _license[] SEC("license") = "GPL";
+
+struct {
+	char in[256];
+	char out[256];
+	bool skip;
+	uint64_t my_pid_tgid;
+} data = {};
+
+struct core_reloc_kernel_output {
+	int valid[10];
+	/* we have test_progs[-flavor], so cut flavor part */
+	char comm[sizeof("test_progs")];
+	int comm_len;
+	bool local_task_struct_matches;
+};
+
+struct task_struct {
+	int pid;
+	int tgid;
+	char comm[16];
+	struct task_struct *group_leader;
+};
+
+struct mm_struct___wrong {
+    int abc_whatever_should_not_exist;
+};
+
+struct task_struct___local {
+    int pid;
+    struct mm_struct___wrong *mm;
+};
+
+#define CORE_READ(dst, src) bpf_core_read(dst, sizeof(*(dst)), src)
+
+SEC("raw_tracepoint/sys_enter")
+int test_core_kernel(void *ctx)
+{
+	/* Support for the BPF_TYPE_MATCHES argument to the
+	 * __builtin_preserve_type_info builtin was added at some point during
+	 * development of clang 15 and it's what we require for this test.
+	 */
+#if __has_builtin(__builtin_preserve_type_info) && __clang_major__ >= 15
+	struct task_struct *task = (void *)bpf_get_current_task();
+	struct core_reloc_kernel_output *out = (void *)&data.out;
+	uint64_t pid_tgid = bpf_get_current_pid_tgid();
+	uint32_t real_tgid = (uint32_t)pid_tgid;
+	int pid, tgid;
+
+	if (data.my_pid_tgid != pid_tgid)
+		return 0;
+
+	if (CORE_READ(&pid, &task->pid) ||
+	    CORE_READ(&tgid, &task->tgid))
+		return 1;
+
+	/* validate pid + tgid matches */
+	out->valid[0] = (((uint64_t)pid << 32) | tgid) == pid_tgid;
+
+	/* test variadic BPF_CORE_READ macros */
+	out->valid[1] = BPF_CORE_READ(task,
+				      tgid) == real_tgid;
+	out->valid[2] = BPF_CORE_READ(task,
+				      group_leader,
+				      tgid) == real_tgid;
+	out->valid[3] = BPF_CORE_READ(task,
+				      group_leader, group_leader,
+				      tgid) == real_tgid;
+	out->valid[4] = BPF_CORE_READ(task,
+				      group_leader, group_leader, group_leader,
+				      tgid) == real_tgid;
+	out->valid[5] = BPF_CORE_READ(task,
+				      group_leader, group_leader, group_leader,
+				      group_leader,
+				      tgid) == real_tgid;
+	out->valid[6] = BPF_CORE_READ(task,
+				      group_leader, group_leader, group_leader,
+				      group_leader, group_leader,
+				      tgid) == real_tgid;
+	out->valid[7] = BPF_CORE_READ(task,
+				      group_leader, group_leader, group_leader,
+				      group_leader, group_leader, group_leader,
+				      tgid) == real_tgid;
+	out->valid[8] = BPF_CORE_READ(task,
+				      group_leader, group_leader, group_leader,
+				      group_leader, group_leader, group_leader,
+				      group_leader,
+				      tgid) == real_tgid;
+	out->valid[9] = BPF_CORE_READ(task,
+				      group_leader, group_leader, group_leader,
+				      group_leader, group_leader, group_leader,
+				      group_leader, group_leader,
+				      tgid) == real_tgid;
+
+	/* test BPF_CORE_READ_STR_INTO() returns correct code and contents */
+	out->comm_len = BPF_CORE_READ_STR_INTO(
+		&out->comm, task,
+		group_leader, group_leader, group_leader, group_leader,
+		group_leader, group_leader, group_leader, group_leader,
+		comm);
+
+	out->local_task_struct_matches = bpf_core_type_matches(struct task_struct___local);
+#else
+	data.skip = true;
+#endif
+	return 0;
+}
+
diff --git a/tools/testing/selftests/bpf/progs/test_core_reloc_misc.c b/tools/testing/selftests/bpf/progs/test_core_reloc_misc.c
new file mode 100644
index 000000000..d5756dbde
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_core_reloc_misc.c
@@ -0,0 +1,60 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (c) 2019 Facebook
+
+#include <linux/bpf.h>
+#include <stdint.h>
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_core_read.h>
+
+char _license[] SEC("license") = "GPL";
+
+struct {
+	char in[256];
+	char out[256];
+} data = {};
+
+struct core_reloc_misc_output {
+	int a, b, c;
+};
+
+struct core_reloc_misc___a {
+	int a1;
+	int a2;
+};
+
+struct core_reloc_misc___b {
+	int b1;
+	int b2;
+};
+
+/* fixed two first members, can be extended with new fields */
+struct core_reloc_misc_extensible {
+	int a;
+	int b;
+};
+
+#define CORE_READ(dst, src) bpf_core_read(dst, sizeof(*(dst)), src)
+
+SEC("raw_tracepoint/sys_enter")
+int test_core_misc(void *ctx)
+{
+	struct core_reloc_misc___a *in_a = (void *)&data.in;
+	struct core_reloc_misc___b *in_b = (void *)&data.in;
+	struct core_reloc_misc_extensible *in_ext = (void *)&data.in;
+	struct core_reloc_misc_output *out = (void *)&data.out;
+
+	/* record two different relocations with the same accessor string */
+	if (CORE_READ(&out->a, &in_a->a1) ||		/* accessor: 0:0 */
+	    CORE_READ(&out->b, &in_b->b1))		/* accessor: 0:0 */
+		return 1;
+
+	/* Validate relocations capture array-only accesses for structs with
+	 * fixed header, but with potentially extendable tail. This will read
+	 * first 4 bytes of 2nd element of in_ext array of potentially
+	 * variably sized struct core_reloc_misc_extensible. */ 
+	if (CORE_READ(&out->c, &in_ext[2]))		/* accessor: 2 */
+		return 1;
+
+	return 0;
+}
+
diff --git a/tools/testing/selftests/bpf/progs/test_core_reloc_mods.c b/tools/testing/selftests/bpf/progs/test_core_reloc_mods.c
new file mode 100644
index 000000000..b2ded4975
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_core_reloc_mods.c
@@ -0,0 +1,74 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (c) 2019 Facebook
+
+#include <linux/bpf.h>
+#include <stdint.h>
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_core_read.h>
+
+char _license[] SEC("license") = "GPL";
+
+struct {
+	char in[256];
+	char out[256];
+} data = {};
+
+struct core_reloc_mods_output {
+	int a, b, c, d, e, f, g, h;
+};
+
+typedef const int int_t;
+typedef const char *char_ptr_t;
+typedef const int arr_t[7];
+
+struct core_reloc_mods_substruct {
+	int x;
+	int y;
+};
+
+typedef struct {
+	int x;
+	int y;
+} core_reloc_mods_substruct_t;
+
+struct core_reloc_mods {
+	int a;
+	int_t b;
+	char *c;
+	char_ptr_t d;
+	int e[3];
+	arr_t f;
+	struct core_reloc_mods_substruct g;
+	core_reloc_mods_substruct_t h;
+};
+
+#if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
+#define CORE_READ(dst, src) bpf_core_read(dst, sizeof(*(dst)), src)
+#else
+#define CORE_READ(dst, src) ({ \
+	int __sz = sizeof(*(dst)) < sizeof(*(src)) ? sizeof(*(dst)) : \
+						     sizeof(*(src)); \
+	bpf_core_read((char *)(dst) + sizeof(*(dst)) - __sz, __sz, \
+		      (const char *)(src) + sizeof(*(src)) - __sz); \
+})
+#endif
+
+SEC("raw_tracepoint/sys_enter")
+int test_core_mods(void *ctx)
+{
+	struct core_reloc_mods *in = (void *)&data.in;
+	struct core_reloc_mods_output *out = (void *)&data.out;
+
+	if (CORE_READ(&out->a, &in->a) ||
+	    CORE_READ(&out->b, &in->b) ||
+	    CORE_READ(&out->c, &in->c) ||
+	    CORE_READ(&out->d, &in->d) ||
+	    CORE_READ(&out->e, &in->e[2]) ||
+	    CORE_READ(&out->f, &in->f[1]) ||
+	    CORE_READ(&out->g, &in->g.x) ||
+	    CORE_READ(&out->h, &in->h.y))
+		return 1;
+
+	return 0;
+}
+
diff --git a/tools/testing/selftests/bpf/progs/test_core_reloc_module.c b/tools/testing/selftests/bpf/progs/test_core_reloc_module.c
new file mode 100644
index 000000000..f59f175c7
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_core_reloc_module.c
@@ -0,0 +1,104 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2020 Facebook */
+
+#include "vmlinux.h"
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_core_read.h>
+#include <bpf/bpf_tracing.h>
+
+char _license[] SEC("license") = "GPL";
+
+struct bpf_testmod_test_read_ctx {
+	/* field order is mixed up */
+	size_t len;
+	char *buf;
+	loff_t off;
+} __attribute__((preserve_access_index));
+
+struct {
+	char in[256];
+	char out[256];
+	bool skip;
+	uint64_t my_pid_tgid;
+} data = {};
+
+struct core_reloc_module_output {
+	long long len;
+	long long off;
+	int read_ctx_sz;
+	bool read_ctx_exists;
+	bool buf_exists;
+	bool len_exists;
+	bool off_exists;
+	/* we have test_progs[-flavor], so cut flavor part */
+	char comm[sizeof("test_progs")];
+	int comm_len;
+};
+
+SEC("raw_tp/bpf_testmod_test_read")
+int BPF_PROG(test_core_module_probed,
+	     struct task_struct *task,
+	     struct bpf_testmod_test_read_ctx *read_ctx)
+{
+#if __has_builtin(__builtin_preserve_enum_value)
+	struct core_reloc_module_output *out = (void *)&data.out;
+	__u64 pid_tgid = bpf_get_current_pid_tgid();
+	__u32 real_tgid = (__u32)(pid_tgid >> 32);
+	__u32 real_pid = (__u32)pid_tgid;
+
+	if (data.my_pid_tgid != pid_tgid)
+		return 0;
+
+	if (BPF_CORE_READ(task, pid) != real_pid || BPF_CORE_READ(task, tgid) != real_tgid)
+		return 0;
+
+	out->len = BPF_CORE_READ(read_ctx, len);
+	out->off = BPF_CORE_READ(read_ctx, off);
+
+	out->read_ctx_sz = bpf_core_type_size(struct bpf_testmod_test_read_ctx);
+	out->read_ctx_exists = bpf_core_type_exists(struct bpf_testmod_test_read_ctx);
+	out->buf_exists = bpf_core_field_exists(read_ctx->buf);
+	out->off_exists = bpf_core_field_exists(read_ctx->off);
+	out->len_exists = bpf_core_field_exists(read_ctx->len);
+
+	out->comm_len = BPF_CORE_READ_STR_INTO(&out->comm, task, comm);
+#else
+	data.skip = true;
+#endif
+
+	return 0;
+}
+
+SEC("tp_btf/bpf_testmod_test_read")
+int BPF_PROG(test_core_module_direct,
+	     struct task_struct *task,
+	     struct bpf_testmod_test_read_ctx *read_ctx)
+{
+#if __has_builtin(__builtin_preserve_enum_value)
+	struct core_reloc_module_output *out = (void *)&data.out;
+	__u64 pid_tgid = bpf_get_current_pid_tgid();
+	__u32 real_tgid = (__u32)(pid_tgid >> 32);
+	__u32 real_pid = (__u32)pid_tgid;
+
+	if (data.my_pid_tgid != pid_tgid)
+		return 0;
+
+	if (task->pid != real_pid || task->tgid != real_tgid)
+		return 0;
+
+	out->len = read_ctx->len;
+	out->off = read_ctx->off;
+
+	out->read_ctx_sz = bpf_core_type_size(struct bpf_testmod_test_read_ctx);
+	out->read_ctx_exists = bpf_core_type_exists(struct bpf_testmod_test_read_ctx);
+	out->buf_exists = bpf_core_field_exists(read_ctx->buf);
+	out->off_exists = bpf_core_field_exists(read_ctx->off);
+	out->len_exists = bpf_core_field_exists(read_ctx->len);
+
+	out->comm_len = BPF_CORE_READ_STR_INTO(&out->comm, task, comm);
+#else
+	data.skip = true;
+#endif
+
+	return 0;
+}
diff --git a/tools/testing/selftests/bpf/progs/test_core_reloc_nesting.c b/tools/testing/selftests/bpf/progs/test_core_reloc_nesting.c
new file mode 100644
index 000000000..2b4b6d49c
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_core_reloc_nesting.c
@@ -0,0 +1,49 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (c) 2019 Facebook
+
+#include <linux/bpf.h>
+#include <stdint.h>
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_core_read.h>
+
+char _license[] SEC("license") = "GPL";
+
+struct {
+	char in[256];
+	char out[256];
+} data = {};
+
+struct core_reloc_nesting_substruct {
+	int a;
+};
+
+union core_reloc_nesting_subunion {
+	int b;
+};
+
+/* int a.a.a and b.b.b accesses */
+struct core_reloc_nesting {
+	union {
+		struct core_reloc_nesting_substruct a;
+	} a;
+	struct {
+		union core_reloc_nesting_subunion b;
+	} b;
+};
+
+#define CORE_READ(dst, src) bpf_core_read(dst, sizeof(*(dst)), src)
+
+SEC("raw_tracepoint/sys_enter")
+int test_core_nesting(void *ctx)
+{
+	struct core_reloc_nesting *in = (void *)&data.in;
+	struct core_reloc_nesting *out = (void *)&data.out;
+
+	if (CORE_READ(&out->a.a.a, &in->a.a.a))
+		return 1;
+	if (CORE_READ(&out->b.b.b, &in->b.b.b))
+		return 1;
+
+	return 0;
+}
+
diff --git a/tools/testing/selftests/bpf/progs/test_core_reloc_primitives.c b/tools/testing/selftests/bpf/progs/test_core_reloc_primitives.c
new file mode 100644
index 000000000..2a8975678
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_core_reloc_primitives.c
@@ -0,0 +1,46 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (c) 2019 Facebook
+
+#include <linux/bpf.h>
+#include <stdint.h>
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_core_read.h>
+
+char _license[] SEC("license") = "GPL";
+
+struct {
+	char in[256];
+	char out[256];
+} data = {};
+
+enum core_reloc_primitives_enum {
+	A = 0,
+	B = 1,
+};
+
+struct core_reloc_primitives {
+	char a;
+	int b;
+	enum core_reloc_primitives_enum c;
+	void *d;
+	int (*f)(const char *);
+};
+
+#define CORE_READ(dst, src) bpf_core_read(dst, sizeof(*(dst)), src)
+
+SEC("raw_tracepoint/sys_enter")
+int test_core_primitives(void *ctx)
+{
+	struct core_reloc_primitives *in = (void *)&data.in;
+	struct core_reloc_primitives *out = (void *)&data.out;
+
+	if (CORE_READ(&out->a, &in->a) ||
+	    CORE_READ(&out->b, &in->b) ||
+	    CORE_READ(&out->c, &in->c) ||
+	    CORE_READ(&out->d, &in->d) ||
+	    CORE_READ(&out->f, &in->f))
+		return 1;
+
+	return 0;
+}
+
diff --git a/tools/testing/selftests/bpf/progs/test_core_reloc_ptr_as_arr.c b/tools/testing/selftests/bpf/progs/test_core_reloc_ptr_as_arr.c
new file mode 100644
index 000000000..ca61a5183
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_core_reloc_ptr_as_arr.c
@@ -0,0 +1,33 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (c) 2019 Facebook
+
+#include <linux/bpf.h>
+#include <stdint.h>
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_core_read.h>
+
+char _license[] SEC("license") = "GPL";
+
+struct {
+	char in[256];
+	char out[256];
+} data = {};
+
+struct core_reloc_ptr_as_arr {
+	int a;
+};
+
+#define CORE_READ(dst, src) bpf_core_read(dst, sizeof(*(dst)), src)
+
+SEC("raw_tracepoint/sys_enter")
+int test_core_ptr_as_arr(void *ctx)
+{
+	struct core_reloc_ptr_as_arr *in = (void *)&data.in;
+	struct core_reloc_ptr_as_arr *out = (void *)&data.out;
+
+	if (CORE_READ(&out->a, &in[2].a))
+		return 1;
+
+	return 0;
+}
+
diff --git a/tools/testing/selftests/bpf/progs/test_core_reloc_size.c b/tools/testing/selftests/bpf/progs/test_core_reloc_size.c
new file mode 100644
index 000000000..5b686053c
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_core_reloc_size.c
@@ -0,0 +1,77 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (c) 2019 Facebook
+
+#include <linux/bpf.h>
+#include <stdint.h>
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_core_read.h>
+
+char _license[] SEC("license") = "GPL";
+
+struct {
+	char in[256];
+	char out[256];
+} data = {};
+
+struct core_reloc_size_output {
+	int int_sz;
+	int int_off;
+	int struct_sz;
+	int struct_off;
+	int union_sz;
+	int union_off;
+	int arr_sz;
+	int arr_off;
+	int arr_elem_sz;
+	int arr_elem_off;
+	int ptr_sz;
+	int ptr_off;
+	int enum_sz;
+	int enum_off;
+	int float_sz;
+	int float_off;
+};
+
+struct core_reloc_size {
+	int int_field;
+	struct { int x; } struct_field;
+	union { int x; } union_field;
+	int arr_field[4];
+	void *ptr_field;
+	enum { VALUE = 123 } enum_field;
+	float float_field;
+};
+
+SEC("raw_tracepoint/sys_enter")
+int test_core_size(void *ctx)
+{
+	struct core_reloc_size *in = (void *)&data.in;
+	struct core_reloc_size_output *out = (void *)&data.out;
+
+	out->int_sz = bpf_core_field_size(in->int_field);
+	out->int_off = bpf_core_field_offset(in->int_field);
+
+	out->struct_sz = bpf_core_field_size(in->struct_field);
+	out->struct_off = bpf_core_field_offset(in->struct_field);
+
+	out->union_sz = bpf_core_field_size(in->union_field);
+	out->union_off = bpf_core_field_offset(in->union_field);
+
+	out->arr_sz = bpf_core_field_size(in->arr_field);
+	out->arr_off = bpf_core_field_offset(in->arr_field);
+
+	out->arr_elem_sz = bpf_core_field_size(struct core_reloc_size, arr_field[1]);
+	out->arr_elem_off = bpf_core_field_offset(struct core_reloc_size, arr_field[1]);
+
+	out->ptr_sz = bpf_core_field_size(struct core_reloc_size, ptr_field);
+	out->ptr_off = bpf_core_field_offset(struct core_reloc_size, ptr_field);
+
+	out->enum_sz = bpf_core_field_size(struct core_reloc_size, enum_field);
+	out->enum_off = bpf_core_field_offset(struct core_reloc_size, enum_field);
+
+	out->float_sz = bpf_core_field_size(struct core_reloc_size, float_field);
+	out->float_off = bpf_core_field_offset(struct core_reloc_size, float_field);
+
+	return 0;
+}
+
diff --git a/tools/testing/selftests/bpf/progs/test_core_reloc_type_based.c b/tools/testing/selftests/bpf/progs/test_core_reloc_type_based.c
new file mode 100644
index 000000000..2edb4df35
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_core_reloc_type_based.c
@@ -0,0 +1,157 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (c) 2020 Facebook
+
+#include <linux/bpf.h>
+#include <stdint.h>
+#include <stdbool.h>
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_core_read.h>
+
+char _license[] SEC("license") = "GPL";
+
+struct {
+	char in[256];
+	char out[256];
+	bool skip;
+} data = {};
+
+struct a_struct {
+	int x;
+};
+
+struct a_complex_struct {
+	union {
+		struct a_struct *a;
+		void *b;
+	} x;
+	volatile long y;
+};
+
+union a_union {
+	int y;
+	int z;
+};
+
+typedef struct a_struct named_struct_typedef;
+
+typedef struct { int x, y, z; } anon_struct_typedef;
+
+typedef struct {
+	int a, b, c;
+} *struct_ptr_typedef;
+
+enum an_enum {
+	AN_ENUM_VAL1 = 1,
+	AN_ENUM_VAL2 = 2,
+	AN_ENUM_VAL3 = 3,
+};
+
+typedef int int_typedef;
+
+typedef enum { TYPEDEF_ENUM_VAL1, TYPEDEF_ENUM_VAL2 } enum_typedef;
+
+typedef void *void_ptr_typedef;
+typedef int *restrict restrict_ptr_typedef;
+
+typedef int (*func_proto_typedef)(long);
+
+typedef char arr_typedef[20];
+
+struct core_reloc_type_based_output {
+	bool struct_exists;
+	bool complex_struct_exists;
+	bool union_exists;
+	bool enum_exists;
+	bool typedef_named_struct_exists;
+	bool typedef_anon_struct_exists;
+	bool typedef_struct_ptr_exists;
+	bool typedef_int_exists;
+	bool typedef_enum_exists;
+	bool typedef_void_ptr_exists;
+	bool typedef_restrict_ptr_exists;
+	bool typedef_func_proto_exists;
+	bool typedef_arr_exists;
+
+	bool struct_matches;
+	bool complex_struct_matches;
+	bool union_matches;
+	bool enum_matches;
+	bool typedef_named_struct_matches;
+	bool typedef_anon_struct_matches;
+	bool typedef_struct_ptr_matches;
+	bool typedef_int_matches;
+	bool typedef_enum_matches;
+	bool typedef_void_ptr_matches;
+	bool typedef_restrict_ptr_matches;
+	bool typedef_func_proto_matches;
+	bool typedef_arr_matches;
+
+	int struct_sz;
+	int union_sz;
+	int enum_sz;
+	int typedef_named_struct_sz;
+	int typedef_anon_struct_sz;
+	int typedef_struct_ptr_sz;
+	int typedef_int_sz;
+	int typedef_enum_sz;
+	int typedef_void_ptr_sz;
+	int typedef_func_proto_sz;
+	int typedef_arr_sz;
+};
+
+SEC("raw_tracepoint/sys_enter")
+int test_core_type_based(void *ctx)
+{
+	/* Support for the BPF_TYPE_MATCHES argument to the
+	 * __builtin_preserve_type_info builtin was added at some point during
+	 * development of clang 15 and it's what we require for this test. Part of it
+	 * could run with merely __builtin_preserve_type_info (which could be checked
+	 * separately), but we have to find an upper bound.
+	 */
+#if __has_builtin(__builtin_preserve_type_info) && __clang_major__ >= 15
+	struct core_reloc_type_based_output *out = (void *)&data.out;
+
+	out->struct_exists = bpf_core_type_exists(struct a_struct);
+	out->complex_struct_exists = bpf_core_type_exists(struct a_complex_struct);
+	out->union_exists = bpf_core_type_exists(union a_union);
+	out->enum_exists = bpf_core_type_exists(enum an_enum);
+	out->typedef_named_struct_exists = bpf_core_type_exists(named_struct_typedef);
+	out->typedef_anon_struct_exists = bpf_core_type_exists(anon_struct_typedef);
+	out->typedef_struct_ptr_exists = bpf_core_type_exists(struct_ptr_typedef);
+	out->typedef_int_exists = bpf_core_type_exists(int_typedef);
+	out->typedef_enum_exists = bpf_core_type_exists(enum_typedef);
+	out->typedef_void_ptr_exists = bpf_core_type_exists(void_ptr_typedef);
+	out->typedef_restrict_ptr_exists = bpf_core_type_exists(restrict_ptr_typedef);
+	out->typedef_func_proto_exists = bpf_core_type_exists(func_proto_typedef);
+	out->typedef_arr_exists = bpf_core_type_exists(arr_typedef);
+
+	out->struct_matches = bpf_core_type_matches(struct a_struct);
+	out->complex_struct_matches = bpf_core_type_matches(struct a_complex_struct);
+	out->union_matches = bpf_core_type_matches(union a_union);
+	out->enum_matches = bpf_core_type_matches(enum an_enum);
+	out->typedef_named_struct_matches = bpf_core_type_matches(named_struct_typedef);
+	out->typedef_anon_struct_matches = bpf_core_type_matches(anon_struct_typedef);
+	out->typedef_struct_ptr_matches = bpf_core_type_matches(struct_ptr_typedef);
+	out->typedef_int_matches = bpf_core_type_matches(int_typedef);
+	out->typedef_enum_matches = bpf_core_type_matches(enum_typedef);
+	out->typedef_void_ptr_matches = bpf_core_type_matches(void_ptr_typedef);
+	out->typedef_restrict_ptr_matches = bpf_core_type_matches(restrict_ptr_typedef);
+	out->typedef_func_proto_matches = bpf_core_type_matches(func_proto_typedef);
+	out->typedef_arr_matches = bpf_core_type_matches(arr_typedef);
+
+	out->struct_sz = bpf_core_type_size(struct a_struct);
+	out->union_sz = bpf_core_type_size(union a_union);
+	out->enum_sz = bpf_core_type_size(enum an_enum);
+	out->typedef_named_struct_sz = bpf_core_type_size(named_struct_typedef);
+	out->typedef_anon_struct_sz = bpf_core_type_size(anon_struct_typedef);
+	out->typedef_struct_ptr_sz = bpf_core_type_size(struct_ptr_typedef);
+	out->typedef_int_sz = bpf_core_type_size(int_typedef);
+	out->typedef_enum_sz = bpf_core_type_size(enum_typedef);
+	out->typedef_void_ptr_sz = bpf_core_type_size(void_ptr_typedef);
+	out->typedef_func_proto_sz = bpf_core_type_size(func_proto_typedef);
+	out->typedef_arr_sz = bpf_core_type_size(arr_typedef);
+#else
+	data.skip = true;
+#endif
+	return 0;
+}
diff --git a/tools/testing/selftests/bpf/progs/test_core_reloc_type_id.c b/tools/testing/selftests/bpf/progs/test_core_reloc_type_id.c
new file mode 100644
index 000000000..22aba3f6e
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_core_reloc_type_id.c
@@ -0,0 +1,115 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (c) 2020 Facebook
+
+#include <linux/bpf.h>
+#include <stdint.h>
+#include <stdbool.h>
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_core_read.h>
+
+char _license[] SEC("license") = "GPL";
+
+struct {
+	char in[256];
+	char out[256];
+	bool skip;
+} data = {};
+
+/* some types are shared with test_core_reloc_type_based.c */
+struct a_struct {
+	int x;
+};
+
+union a_union {
+	int y;
+	int z;
+};
+
+enum an_enum {
+	AN_ENUM_VAL1 = 1,
+	AN_ENUM_VAL2 = 2,
+	AN_ENUM_VAL3 = 3,
+};
+
+typedef struct a_struct named_struct_typedef;
+
+typedef int (*func_proto_typedef)(long);
+
+typedef char arr_typedef[20];
+
+struct core_reloc_type_id_output {
+	int local_anon_struct;
+	int local_anon_union;
+	int local_anon_enum;
+	int local_anon_func_proto_ptr;
+	int local_anon_void_ptr;
+	int local_anon_arr;
+
+	int local_struct;
+	int local_union;
+	int local_enum;
+	int local_int;
+	int local_struct_typedef;
+	int local_func_proto_typedef;
+	int local_arr_typedef;
+
+	int targ_struct;
+	int targ_union;
+	int targ_enum;
+	int targ_int;
+	int targ_struct_typedef;
+	int targ_func_proto_typedef;
+	int targ_arr_typedef;
+};
+
+/* preserve types even if Clang doesn't support built-in */
+struct a_struct t1 = {};
+union a_union t2 = {};
+enum an_enum t3 = 0;
+named_struct_typedef t4 = {};
+func_proto_typedef t5 = 0;
+arr_typedef t6 = {};
+
+SEC("raw_tracepoint/sys_enter")
+int test_core_type_id(void *ctx)
+{
+	/* We use __builtin_btf_type_id() in this tests, but up until the time
+	 * __builtin_preserve_type_info() was added it contained a bug that
+	 * would make this test fail. The bug was fixed ([0]) with addition of
+	 * __builtin_preserve_type_info(), though, so that's what we are using
+	 * to detect whether this test has to be executed, however strange
+	 * that might look like.
+	 *
+	 *   [0] https://reviews.llvm.org/D85174
+	 */
+#if __has_builtin(__builtin_preserve_type_info)
+	struct core_reloc_type_id_output *out = (void *)&data.out;
+
+	out->local_anon_struct = bpf_core_type_id_local(struct { int marker_field; });
+	out->local_anon_union = bpf_core_type_id_local(union { int marker_field; });
+	out->local_anon_enum = bpf_core_type_id_local(enum { MARKER_ENUM_VAL = 123 });
+	out->local_anon_func_proto_ptr = bpf_core_type_id_local(_Bool(*)(int));
+	out->local_anon_void_ptr = bpf_core_type_id_local(void *);
+	out->local_anon_arr = bpf_core_type_id_local(_Bool[47]);
+
+	out->local_struct = bpf_core_type_id_local(struct a_struct);
+	out->local_union = bpf_core_type_id_local(union a_union);
+	out->local_enum = bpf_core_type_id_local(enum an_enum);
+	out->local_int = bpf_core_type_id_local(int);
+	out->local_struct_typedef = bpf_core_type_id_local(named_struct_typedef);
+	out->local_func_proto_typedef = bpf_core_type_id_local(func_proto_typedef);
+	out->local_arr_typedef = bpf_core_type_id_local(arr_typedef);
+
+	out->targ_struct = bpf_core_type_id_kernel(struct a_struct);
+	out->targ_union = bpf_core_type_id_kernel(union a_union);
+	out->targ_enum = bpf_core_type_id_kernel(enum an_enum);
+	out->targ_int = bpf_core_type_id_kernel(int);
+	out->targ_struct_typedef = bpf_core_type_id_kernel(named_struct_typedef);
+	out->targ_func_proto_typedef = bpf_core_type_id_kernel(func_proto_typedef);
+	out->targ_arr_typedef = bpf_core_type_id_kernel(arr_typedef);
+#else
+	data.skip = true;
+#endif
+
+	return 0;
+}
diff --git a/tools/testing/selftests/bpf/progs/test_core_retro.c b/tools/testing/selftests/bpf/progs/test_core_retro.c
new file mode 100644
index 000000000..20861ec2f
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_core_retro.c
@@ -0,0 +1,43 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (c) 2020 Facebook
+#include <linux/bpf.h>
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_core_read.h>
+
+struct task_struct {
+	int tgid;
+} __attribute__((preserve_access_index));
+
+struct {
+	__uint(type, BPF_MAP_TYPE_ARRAY);
+	__uint(max_entries, 1);
+	__type(key, int);
+	__type(value, int);
+} exp_tgid_map SEC(".maps");
+
+struct {
+	__uint(type, BPF_MAP_TYPE_ARRAY);
+	__uint(max_entries, 1);
+	__type(key, int);
+	__type(value, int);
+} results SEC(".maps");
+
+SEC("tp/raw_syscalls/sys_enter")
+int handle_sys_enter(void *ctx)
+{
+	struct task_struct *task = (void *)bpf_get_current_task();
+	int tgid = BPF_CORE_READ(task, tgid);
+	int zero = 0;
+	int real_tgid = bpf_get_current_pid_tgid() >> 32;
+	int *exp_tgid = bpf_map_lookup_elem(&exp_tgid_map, &zero);
+
+	/* only pass through sys_enters from test process */
+	if (!exp_tgid || *exp_tgid != real_tgid)
+		return 0;
+
+	bpf_map_update_elem(&results, &zero, &tgid, 0);
+
+	return 0;
+}
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/test_custom_sec_handlers.c b/tools/testing/selftests/bpf/progs/test_custom_sec_handlers.c
new file mode 100644
index 000000000..4061f701c
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_custom_sec_handlers.c
@@ -0,0 +1,63 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2022 Facebook */
+
+#include "vmlinux.h"
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_tracing.h>
+
+const volatile int my_pid;
+
+bool abc1_called;
+bool abc2_called;
+bool custom1_called;
+bool custom2_called;
+bool kprobe1_called;
+bool xyz_called;
+
+SEC("abc")
+int abc1(void *ctx)
+{
+	abc1_called = true;
+	return 0;
+}
+
+SEC("abc/whatever")
+int abc2(void *ctx)
+{
+	abc2_called = true;
+	return 0;
+}
+
+SEC("custom")
+int custom1(void *ctx)
+{
+	custom1_called = true;
+	return 0;
+}
+
+SEC("custom/something")
+int custom2(void *ctx)
+{
+	custom2_called = true;
+	return 0;
+}
+
+SEC("kprobe")
+int kprobe1(void *ctx)
+{
+	kprobe1_called = true;
+	return 0;
+}
+
+SEC("xyz/blah")
+int xyz(void *ctx)
+{
+	int whatever;
+
+	/* use sleepable helper, custom handler should set sleepable flag */
+	bpf_copy_from_user(&whatever, sizeof(whatever), NULL);
+	xyz_called = true;
+	return 0;
+}
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/test_d_path.c b/tools/testing/selftests/bpf/progs/test_d_path.c
new file mode 100644
index 000000000..84e1f883f
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_d_path.c
@@ -0,0 +1,65 @@
+// SPDX-License-Identifier: GPL-2.0
+
+#include "vmlinux.h"
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_tracing.h>
+
+#define MAX_PATH_LEN		128
+#define MAX_FILES		7
+
+pid_t my_pid = 0;
+__u32 cnt_stat = 0;
+__u32 cnt_close = 0;
+char paths_stat[MAX_FILES][MAX_PATH_LEN] = {};
+char paths_close[MAX_FILES][MAX_PATH_LEN] = {};
+int rets_stat[MAX_FILES] = {};
+int rets_close[MAX_FILES] = {};
+
+int called_stat = 0;
+int called_close = 0;
+
+SEC("fentry/security_inode_getattr")
+int BPF_PROG(prog_stat, struct path *path, struct kstat *stat,
+	     __u32 request_mask, unsigned int query_flags)
+{
+	pid_t pid = bpf_get_current_pid_tgid() >> 32;
+	__u32 cnt = cnt_stat;
+	int ret;
+
+	called_stat = 1;
+
+	if (pid != my_pid)
+		return 0;
+
+	if (cnt >= MAX_FILES)
+		return 0;
+	ret = bpf_d_path(path, paths_stat[cnt], MAX_PATH_LEN);
+
+	rets_stat[cnt] = ret;
+	cnt_stat++;
+	return 0;
+}
+
+SEC("fentry/filp_close")
+int BPF_PROG(prog_close, struct file *file, void *id)
+{
+	pid_t pid = bpf_get_current_pid_tgid() >> 32;
+	__u32 cnt = cnt_close;
+	int ret;
+
+	called_close = 1;
+
+	if (pid != my_pid)
+		return 0;
+
+	if (cnt >= MAX_FILES)
+		return 0;
+	ret = bpf_d_path(&file->f_path,
+			 paths_close[cnt], MAX_PATH_LEN);
+
+	rets_close[cnt] = ret;
+	cnt_close++;
+	return 0;
+}
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/test_d_path_check_rdonly_mem.c b/tools/testing/selftests/bpf/progs/test_d_path_check_rdonly_mem.c
new file mode 100644
index 000000000..27c27cff6
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_d_path_check_rdonly_mem.c
@@ -0,0 +1,28 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2022 Google */
+
+#include "vmlinux.h"
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_tracing.h>
+
+extern const int bpf_prog_active __ksym;
+
+SEC("fentry/security_inode_getattr")
+int BPF_PROG(d_path_check_rdonly_mem, struct path *path, struct kstat *stat,
+	     __u32 request_mask, unsigned int query_flags)
+{
+	void *active;
+	__u32 cpu;
+
+	cpu = bpf_get_smp_processor_id();
+	active = (void *)bpf_per_cpu_ptr(&bpf_prog_active, cpu);
+	if (active) {
+		/* FAIL here! 'active' points to readonly memory. bpf helpers
+		 * that update its arguments can not write into it.
+		 */
+		bpf_d_path(path, active, sizeof(int));
+	}
+	return 0;
+}
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/test_d_path_check_types.c b/tools/testing/selftests/bpf/progs/test_d_path_check_types.c
new file mode 100644
index 000000000..7e02b7361
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_d_path_check_types.c
@@ -0,0 +1,32 @@
+// SPDX-License-Identifier: GPL-2.0
+
+#include "vmlinux.h"
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_tracing.h>
+
+extern const int bpf_prog_active __ksym;
+
+struct {
+	__uint(type, BPF_MAP_TYPE_RINGBUF);
+	__uint(max_entries, 1 << 12);
+} ringbuf SEC(".maps");
+
+SEC("fentry/security_inode_getattr")
+int BPF_PROG(d_path_check_rdonly_mem, struct path *path, struct kstat *stat,
+	     __u32 request_mask, unsigned int query_flags)
+{
+	void *active;
+	u32 cpu;
+
+	cpu = bpf_get_smp_processor_id();
+	active = (void *)bpf_per_cpu_ptr(&bpf_prog_active, cpu);
+	if (active) {
+		/* FAIL here! 'active' points to 'regular' memory. It
+		 * cannot be submitted to ring buffer.
+		 */
+		bpf_ringbuf_submit(active, 0);
+	}
+	return 0;
+}
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/test_deny_namespace.c b/tools/testing/selftests/bpf/progs/test_deny_namespace.c
new file mode 100644
index 000000000..09ad5a4eb
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_deny_namespace.c
@@ -0,0 +1,33 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <linux/bpf.h>
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_tracing.h>
+#include <errno.h>
+#include <linux/capability.h>
+
+struct kernel_cap_struct {
+	__u32 cap[_LINUX_CAPABILITY_U32S_3];
+} __attribute__((preserve_access_index));
+
+struct cred {
+	struct kernel_cap_struct cap_effective;
+} __attribute__((preserve_access_index));
+
+char _license[] SEC("license") = "GPL";
+
+SEC("lsm.s/userns_create")
+int BPF_PROG(test_userns_create, const struct cred *cred, int ret)
+{
+	struct kernel_cap_struct caps = cred->cap_effective;
+	int cap_index = CAP_TO_INDEX(CAP_SYS_ADMIN);
+	__u32 cap_mask = CAP_TO_MASK(CAP_SYS_ADMIN);
+
+	if (ret)
+		return 0;
+
+	ret = -EPERM;
+	if (caps.cap[cap_index] & cap_mask)
+		return 0;
+
+	return -EPERM;
+}
diff --git a/tools/testing/selftests/bpf/progs/test_enable_stats.c b/tools/testing/selftests/bpf/progs/test_enable_stats.c
new file mode 100644
index 000000000..1705097d0
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_enable_stats.c
@@ -0,0 +1,18 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (c) 2020 Facebook
+
+#include <linux/bpf.h>
+#include <stdint.h>
+#include <linux/types.h>
+#include <bpf/bpf_helpers.h>
+
+char _license[] SEC("license") = "GPL";
+
+__u64 count = 0;
+
+SEC("raw_tracepoint/sys_enter")
+int test_enable_stats(void *ctx)
+{
+	__sync_fetch_and_add(&count, 1);
+	return 0;
+}
diff --git a/tools/testing/selftests/bpf/progs/test_endian.c b/tools/testing/selftests/bpf/progs/test_endian.c
new file mode 100644
index 000000000..ddb687c5d
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_endian.c
@@ -0,0 +1,37 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2020 Facebook */
+
+#include "vmlinux.h"
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_endian.h>
+
+#define IN16 0x1234
+#define IN32 0x12345678U
+#define IN64 0x123456789abcdef0ULL
+
+__u16 in16 = 0;
+__u32 in32 = 0;
+__u64 in64 = 0;
+
+__u16 out16 = 0;
+__u32 out32 = 0;
+__u64 out64 = 0;
+
+__u16 const16 = 0;
+__u32 const32 = 0;
+__u64 const64 = 0;
+
+SEC("raw_tp/sys_enter")
+int sys_enter(const void *ctx)
+{
+	out16 = __builtin_bswap16(in16);
+	out32 = __builtin_bswap32(in32);
+	out64 = __builtin_bswap64(in64);
+	const16 = ___bpf_swab16(IN16);
+	const32 = ___bpf_swab32(IN32);
+	const64 = ___bpf_swab64(IN64);
+
+	return 0;
+}
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/test_get_stack_rawtp.c b/tools/testing/selftests/bpf/progs/test_get_stack_rawtp.c
new file mode 100644
index 000000000..b6a6eb279
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_get_stack_rawtp.c
@@ -0,0 +1,102 @@
+// SPDX-License-Identifier: GPL-2.0
+
+#include <linux/bpf.h>
+#include <bpf/bpf_helpers.h>
+
+/* Permit pretty deep stack traces */
+#define MAX_STACK_RAWTP 100
+struct stack_trace_t {
+	int pid;
+	int kern_stack_size;
+	int user_stack_size;
+	int user_stack_buildid_size;
+	__u64 kern_stack[MAX_STACK_RAWTP];
+	__u64 user_stack[MAX_STACK_RAWTP];
+	struct bpf_stack_build_id user_stack_buildid[MAX_STACK_RAWTP];
+};
+
+struct {
+	__uint(type, BPF_MAP_TYPE_PERF_EVENT_ARRAY);
+	__uint(max_entries, 2);
+	__uint(key_size, sizeof(int));
+	__uint(value_size, sizeof(__u32));
+} perfmap SEC(".maps");
+
+struct {
+	__uint(type, BPF_MAP_TYPE_PERCPU_ARRAY);
+	__uint(max_entries, 1);
+	__type(key, __u32);
+	__type(value, struct stack_trace_t);
+} stackdata_map SEC(".maps");
+
+/* Allocate per-cpu space twice the needed. For the code below
+ *   usize = bpf_get_stack(ctx, raw_data, max_len, BPF_F_USER_STACK);
+ *   if (usize < 0)
+ *     return 0;
+ *   ksize = bpf_get_stack(ctx, raw_data + usize, max_len - usize, 0);
+ *
+ * If we have value_size = MAX_STACK_RAWTP * sizeof(__u64),
+ * verifier will complain that access "raw_data + usize"
+ * with size "max_len - usize" may be out of bound.
+ * The maximum "raw_data + usize" is "raw_data + max_len"
+ * and the maximum "max_len - usize" is "max_len", verifier
+ * concludes that the maximum buffer access range is
+ * "raw_data[0...max_len * 2 - 1]" and hence reject the program.
+ *
+ * Doubling the to-be-used max buffer size can fix this verifier
+ * issue and avoid complicated C programming massaging.
+ * This is an acceptable workaround since there is one entry here.
+ */
+struct {
+	__uint(type, BPF_MAP_TYPE_PERCPU_ARRAY);
+	__uint(max_entries, 1);
+	__type(key, __u32);
+	__type(value, __u64[2 * MAX_STACK_RAWTP]);
+} rawdata_map SEC(".maps");
+
+SEC("raw_tracepoint/sys_enter")
+int bpf_prog1(void *ctx)
+{
+	int max_len, max_buildid_len, total_size;
+	struct stack_trace_t *data;
+	long usize, ksize;
+	void *raw_data;
+	__u32 key = 0;
+
+	data = bpf_map_lookup_elem(&stackdata_map, &key);
+	if (!data)
+		return 0;
+
+	max_len = MAX_STACK_RAWTP * sizeof(__u64);
+	max_buildid_len = MAX_STACK_RAWTP * sizeof(struct bpf_stack_build_id);
+	data->pid = bpf_get_current_pid_tgid();
+	data->kern_stack_size = bpf_get_stack(ctx, data->kern_stack,
+					      max_len, 0);
+	data->user_stack_size = bpf_get_stack(ctx, data->user_stack, max_len,
+					    BPF_F_USER_STACK);
+	data->user_stack_buildid_size = bpf_get_stack(
+		ctx, data->user_stack_buildid, max_buildid_len,
+		BPF_F_USER_STACK | BPF_F_USER_BUILD_ID);
+	bpf_perf_event_output(ctx, &perfmap, 0, data, sizeof(*data));
+
+	/* write both kernel and user stacks to the same buffer */
+	raw_data = bpf_map_lookup_elem(&rawdata_map, &key);
+	if (!raw_data)
+		return 0;
+
+	usize = bpf_get_stack(ctx, raw_data, max_len, BPF_F_USER_STACK);
+	if (usize < 0)
+		return 0;
+
+	ksize = bpf_get_stack(ctx, raw_data + usize, max_len - usize, 0);
+	if (ksize < 0)
+		return 0;
+
+	total_size = usize + ksize;
+	if (total_size > 0 && total_size <= max_len)
+		bpf_perf_event_output(ctx, &perfmap, 0, raw_data, total_size);
+
+	return 0;
+}
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/test_get_stack_rawtp_err.c b/tools/testing/selftests/bpf/progs/test_get_stack_rawtp_err.c
new file mode 100644
index 000000000..8941a41c2
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_get_stack_rawtp_err.c
@@ -0,0 +1,26 @@
+// SPDX-License-Identifier: GPL-2.0
+
+#include <linux/bpf.h>
+#include <bpf/bpf_helpers.h>
+
+#define MAX_STACK_RAWTP 10
+
+SEC("raw_tracepoint/sys_enter")
+int bpf_prog2(void *ctx)
+{
+	__u64 stack[MAX_STACK_RAWTP];
+	int error;
+
+	/* set all the flags which should return -EINVAL */
+	error = bpf_get_stack(ctx, stack, 0, -1);
+	if (error < 0)
+		goto loop;
+
+	return error;
+loop:
+	while (1) {
+		error++;
+	}
+}
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/test_global_data.c b/tools/testing/selftests/bpf/progs/test_global_data.c
new file mode 100644
index 000000000..719e314ef
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_global_data.c
@@ -0,0 +1,106 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (c) 2019 Isovalent, Inc.
+
+#include <linux/bpf.h>
+#include <linux/pkt_cls.h>
+#include <string.h>
+
+#include <bpf/bpf_helpers.h>
+
+struct {
+	__uint(type, BPF_MAP_TYPE_ARRAY);
+	__uint(max_entries, 11);
+	__type(key, __u32);
+	__type(value, __u64);
+} result_number SEC(".maps");
+
+struct {
+	__uint(type, BPF_MAP_TYPE_ARRAY);
+	__uint(max_entries, 5);
+	__type(key, __u32);
+	const char (*value)[32];
+} result_string SEC(".maps");
+
+struct foo {
+	__u8  a;
+	__u32 b;
+	__u64 c;
+};
+
+struct {
+	__uint(type, BPF_MAP_TYPE_ARRAY);
+	__uint(max_entries, 5);
+	__type(key, __u32);
+	__type(value, struct foo);
+} result_struct SEC(".maps");
+
+/* Relocation tests for __u64s. */
+static       __u64 num0;
+static       __u64 num1 = 42;
+static const __u64 num2 = 24;
+static       __u64 num3 = 0;
+static       __u64 num4 = 0xffeeff;
+static const __u64 num5 = 0xabab;
+static const __u64 num6 = 0xab;
+
+/* Relocation tests for strings. */
+static const char str0[32] = "abcdefghijklmnopqrstuvwxyz";
+static       char str1[32] = "abcdefghijklmnopqrstuvwxyz";
+static       char str2[32];
+
+/* Relocation tests for structs. */
+static const struct foo struct0 = {
+	.a = 42,
+	.b = 0xfefeefef,
+	.c = 0x1111111111111111ULL,
+};
+static struct foo struct1;
+static const struct foo struct2;
+static struct foo struct3 = {
+	.a = 41,
+	.b = 0xeeeeefef,
+	.c = 0x2111111111111111ULL,
+};
+
+#define test_reloc(map, num, var)					\
+	do {								\
+		__u32 key = num;					\
+		bpf_map_update_elem(&result_##map, &key, var, 0);	\
+	} while (0)
+
+SEC("tc")
+int load_static_data(struct __sk_buff *skb)
+{
+	static const __u64 bar = ~0;
+
+	test_reloc(number, 0, &num0);
+	test_reloc(number, 1, &num1);
+	test_reloc(number, 2, &num2);
+	test_reloc(number, 3, &num3);
+	test_reloc(number, 4, &num4);
+	test_reloc(number, 5, &num5);
+	num4 = 1234;
+	test_reloc(number, 6, &num4);
+	test_reloc(number, 7, &num0);
+	test_reloc(number, 8, &num6);
+
+	test_reloc(string, 0, str0);
+	test_reloc(string, 1, str1);
+	test_reloc(string, 2, str2);
+	str1[5] = 'x';
+	test_reloc(string, 3, str1);
+	__builtin_memcpy(&str2[2], "hello", sizeof("hello"));
+	test_reloc(string, 4, str2);
+
+	test_reloc(struct, 0, &struct0);
+	test_reloc(struct, 1, &struct1);
+	test_reloc(struct, 2, &struct2);
+	test_reloc(struct, 3, &struct3);
+
+	test_reloc(number,  9, &struct0.c);
+	test_reloc(number, 10, &bar);
+
+	return TC_ACT_OK;
+}
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/test_global_func1.c b/tools/testing/selftests/bpf/progs/test_global_func1.c
new file mode 100644
index 000000000..7b42dad18
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_global_func1.c
@@ -0,0 +1,45 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/* Copyright (c) 2020 Facebook */
+#include <stddef.h>
+#include <linux/bpf.h>
+#include <bpf/bpf_helpers.h>
+
+#ifndef MAX_STACK
+#define MAX_STACK (512 - 3 * 32 + 8)
+#endif
+
+static __attribute__ ((noinline))
+int f0(int var, struct __sk_buff *skb)
+{
+	return skb->len;
+}
+
+__attribute__ ((noinline))
+int f1(struct __sk_buff *skb)
+{
+	volatile char buf[MAX_STACK] = {};
+
+	return f0(0, skb) + skb->len;
+}
+
+int f3(int, struct __sk_buff *skb, int);
+
+__attribute__ ((noinline))
+int f2(int val, struct __sk_buff *skb)
+{
+	return f1(skb) + f3(val, skb, 1);
+}
+
+__attribute__ ((noinline))
+int f3(int val, struct __sk_buff *skb, int var)
+{
+	volatile char buf[MAX_STACK] = {};
+
+	return skb->ifindex * val * var;
+}
+
+SEC("tc")
+int test_cls(struct __sk_buff *skb)
+{
+	return f0(1, skb) + f1(skb) + f2(2, skb) + f3(3, skb, 4);
+}
diff --git a/tools/testing/selftests/bpf/progs/test_global_func10.c b/tools/testing/selftests/bpf/progs/test_global_func10.c
new file mode 100644
index 000000000..97b7031d0
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_global_func10.c
@@ -0,0 +1,29 @@
+// SPDX-License-Identifier: GPL-2.0-only
+#include <stddef.h>
+#include <linux/bpf.h>
+#include <bpf/bpf_helpers.h>
+
+struct Small {
+	int x;
+};
+
+struct Big {
+	int x;
+	int y;
+};
+
+__noinline int foo(const struct Big *big)
+{
+	if (!big)
+		return 0;
+
+	return bpf_get_prandom_u32() < big->y;
+}
+
+SEC("cgroup_skb/ingress")
+int test_cls(struct __sk_buff *skb)
+{
+	const struct Small small = {.x = skb->len };
+
+	return foo((struct Big *)&small) ? 1 : 0;
+}
diff --git a/tools/testing/selftests/bpf/progs/test_global_func11.c b/tools/testing/selftests/bpf/progs/test_global_func11.c
new file mode 100644
index 000000000..ef5277d98
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_global_func11.c
@@ -0,0 +1,19 @@
+// SPDX-License-Identifier: GPL-2.0-only
+#include <stddef.h>
+#include <linux/bpf.h>
+#include <bpf/bpf_helpers.h>
+
+struct S {
+	int x;
+};
+
+__noinline int foo(const struct S *s)
+{
+	return s ? bpf_get_prandom_u32() < s->x : 0;
+}
+
+SEC("cgroup_skb/ingress")
+int test_cls(struct __sk_buff *skb)
+{
+	return foo((const void *)skb);
+}
diff --git a/tools/testing/selftests/bpf/progs/test_global_func12.c b/tools/testing/selftests/bpf/progs/test_global_func12.c
new file mode 100644
index 000000000..62343527c
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_global_func12.c
@@ -0,0 +1,21 @@
+// SPDX-License-Identifier: GPL-2.0-only
+#include <stddef.h>
+#include <linux/bpf.h>
+#include <bpf/bpf_helpers.h>
+
+struct S {
+	int x;
+};
+
+__noinline int foo(const struct S *s)
+{
+	return bpf_get_prandom_u32() < s->x;
+}
+
+SEC("cgroup_skb/ingress")
+int test_cls(struct __sk_buff *skb)
+{
+	const struct S s = {.x = skb->len };
+
+	return foo(&s);
+}
diff --git a/tools/testing/selftests/bpf/progs/test_global_func13.c b/tools/testing/selftests/bpf/progs/test_global_func13.c
new file mode 100644
index 000000000..ff8897c1a
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_global_func13.c
@@ -0,0 +1,24 @@
+// SPDX-License-Identifier: GPL-2.0-only
+#include <stddef.h>
+#include <linux/bpf.h>
+#include <bpf/bpf_helpers.h>
+
+struct S {
+	int x;
+};
+
+__noinline int foo(const struct S *s)
+{
+	if (s)
+		return bpf_get_prandom_u32() < s->x;
+
+	return 0;
+}
+
+SEC("cgroup_skb/ingress")
+int test_cls(struct __sk_buff *skb)
+{
+	const struct S *s = (const struct S *)(0xbedabeda);
+
+	return foo(s);
+}
diff --git a/tools/testing/selftests/bpf/progs/test_global_func14.c b/tools/testing/selftests/bpf/progs/test_global_func14.c
new file mode 100644
index 000000000..698c77199
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_global_func14.c
@@ -0,0 +1,21 @@
+// SPDX-License-Identifier: GPL-2.0-only
+#include <stddef.h>
+#include <linux/bpf.h>
+#include <bpf/bpf_helpers.h>
+
+struct S;
+
+__noinline int foo(const struct S *s)
+{
+	if (s)
+		return bpf_get_prandom_u32() < *(const int *) s;
+
+	return 0;
+}
+
+SEC("cgroup_skb/ingress")
+int test_cls(struct __sk_buff *skb)
+{
+
+	return foo(NULL);
+}
diff --git a/tools/testing/selftests/bpf/progs/test_global_func15.c b/tools/testing/selftests/bpf/progs/test_global_func15.c
new file mode 100644
index 000000000..c19c43598
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_global_func15.c
@@ -0,0 +1,22 @@
+// SPDX-License-Identifier: GPL-2.0-only
+#include <stddef.h>
+#include <linux/bpf.h>
+#include <bpf/bpf_helpers.h>
+
+__noinline int foo(unsigned int *v)
+{
+	if (v)
+		*v = bpf_get_prandom_u32();
+
+	return 0;
+}
+
+SEC("cgroup_skb/ingress")
+int test_cls(struct __sk_buff *skb)
+{
+	unsigned int v = 1;
+
+	foo(&v);
+
+	return v;
+}
diff --git a/tools/testing/selftests/bpf/progs/test_global_func16.c b/tools/testing/selftests/bpf/progs/test_global_func16.c
new file mode 100644
index 000000000..0312d1e8d
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_global_func16.c
@@ -0,0 +1,22 @@
+// SPDX-License-Identifier: GPL-2.0-only
+#include <stddef.h>
+#include <linux/bpf.h>
+#include <bpf/bpf_helpers.h>
+
+__noinline int foo(int (*arr)[10])
+{
+	if (arr)
+		return (*arr)[9];
+
+	return 0;
+}
+
+SEC("cgroup_skb/ingress")
+int test_cls(struct __sk_buff *skb)
+{
+	int array[10];
+
+	const int rv = foo(&array);
+
+	return rv ? 1 : 0;
+}
diff --git a/tools/testing/selftests/bpf/progs/test_global_func17.c b/tools/testing/selftests/bpf/progs/test_global_func17.c
new file mode 100644
index 000000000..2b8b9b8ba
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_global_func17.c
@@ -0,0 +1,16 @@
+// SPDX-License-Identifier: GPL-2.0-only
+#include <vmlinux.h>
+#include <bpf/bpf_helpers.h>
+
+__noinline int foo(int *p)
+{
+	return p ? (*p = 42) : 0;
+}
+
+const volatile int i;
+
+SEC("tc")
+int test_cls(struct __sk_buff *skb)
+{
+	return foo((int *)&i);
+}
diff --git a/tools/testing/selftests/bpf/progs/test_global_func2.c b/tools/testing/selftests/bpf/progs/test_global_func2.c
new file mode 100644
index 000000000..2c18d8292
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_global_func2.c
@@ -0,0 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/* Copyright (c) 2020 Facebook */
+#define MAX_STACK (512 - 3 * 32)
+#include "test_global_func1.c"
diff --git a/tools/testing/selftests/bpf/progs/test_global_func3.c b/tools/testing/selftests/bpf/progs/test_global_func3.c
new file mode 100644
index 000000000..01bf8275d
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_global_func3.c
@@ -0,0 +1,65 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/* Copyright (c) 2020 Facebook */
+#include <stddef.h>
+#include <linux/bpf.h>
+#include <bpf/bpf_helpers.h>
+
+__attribute__ ((noinline))
+int f1(struct __sk_buff *skb)
+{
+	return skb->len;
+}
+
+__attribute__ ((noinline))
+int f2(int val, struct __sk_buff *skb)
+{
+	return f1(skb) + val;
+}
+
+__attribute__ ((noinline))
+int f3(int val, struct __sk_buff *skb, int var)
+{
+	return f2(var, skb) + val;
+}
+
+__attribute__ ((noinline))
+int f4(struct __sk_buff *skb)
+{
+	return f3(1, skb, 2);
+}
+
+__attribute__ ((noinline))
+int f5(struct __sk_buff *skb)
+{
+	return f4(skb);
+}
+
+__attribute__ ((noinline))
+int f6(struct __sk_buff *skb)
+{
+	return f5(skb);
+}
+
+__attribute__ ((noinline))
+int f7(struct __sk_buff *skb)
+{
+	return f6(skb);
+}
+
+#ifndef NO_FN8
+__attribute__ ((noinline))
+int f8(struct __sk_buff *skb)
+{
+	return f7(skb);
+}
+#endif
+
+SEC("tc")
+int test_cls(struct __sk_buff *skb)
+{
+#ifndef NO_FN8
+	return f8(skb);
+#else
+	return f7(skb);
+#endif
+}
diff --git a/tools/testing/selftests/bpf/progs/test_global_func4.c b/tools/testing/selftests/bpf/progs/test_global_func4.c
new file mode 100644
index 000000000..610f75edf
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_global_func4.c
@@ -0,0 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/* Copyright (c) 2020 Facebook */
+#define NO_FN8
+#include "test_global_func3.c"
diff --git a/tools/testing/selftests/bpf/progs/test_global_func5.c b/tools/testing/selftests/bpf/progs/test_global_func5.c
new file mode 100644
index 000000000..9248d03e0
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_global_func5.c
@@ -0,0 +1,31 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/* Copyright (c) 2020 Facebook */
+#include <stddef.h>
+#include <linux/bpf.h>
+#include <bpf/bpf_helpers.h>
+
+__attribute__ ((noinline))
+int f1(struct __sk_buff *skb)
+{
+	return skb->len;
+}
+
+int f3(int, struct __sk_buff *skb);
+
+__attribute__ ((noinline))
+int f2(int val, struct __sk_buff *skb)
+{
+	return f1(skb) + f3(val, (void *)&val); /* type mismatch */
+}
+
+__attribute__ ((noinline))
+int f3(int val, struct __sk_buff *skb)
+{
+	return skb->ifindex * val;
+}
+
+SEC("tc")
+int test_cls(struct __sk_buff *skb)
+{
+	return f1(skb) + f2(2, skb) + f3(3, skb);
+}
diff --git a/tools/testing/selftests/bpf/progs/test_global_func6.c b/tools/testing/selftests/bpf/progs/test_global_func6.c
new file mode 100644
index 000000000..af8c78bdf
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_global_func6.c
@@ -0,0 +1,31 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/* Copyright (c) 2020 Facebook */
+#include <stddef.h>
+#include <linux/bpf.h>
+#include <bpf/bpf_helpers.h>
+
+__attribute__ ((noinline))
+int f1(struct __sk_buff *skb)
+{
+	return skb->len;
+}
+
+int f3(int, struct __sk_buff *skb);
+
+__attribute__ ((noinline))
+int f2(int val, struct __sk_buff *skb)
+{
+	return f1(skb) + f3(val, skb + 1); /* type mismatch */
+}
+
+__attribute__ ((noinline))
+int f3(int val, struct __sk_buff *skb)
+{
+	return skb->ifindex * val;
+}
+
+SEC("tc")
+int test_cls(struct __sk_buff *skb)
+{
+	return f1(skb) + f2(2, skb) + f3(3, skb);
+}
diff --git a/tools/testing/selftests/bpf/progs/test_global_func7.c b/tools/testing/selftests/bpf/progs/test_global_func7.c
new file mode 100644
index 000000000..6cb8e2f52
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_global_func7.c
@@ -0,0 +1,18 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/* Copyright (c) 2020 Facebook */
+#include <stddef.h>
+#include <linux/bpf.h>
+#include <bpf/bpf_helpers.h>
+
+__attribute__ ((noinline))
+void foo(struct __sk_buff *skb)
+{
+	skb->tc_index = 0;
+}
+
+SEC("tc")
+int test_cls(struct __sk_buff *skb)
+{
+	foo(skb);
+	return 0;
+}
diff --git a/tools/testing/selftests/bpf/progs/test_global_func8.c b/tools/testing/selftests/bpf/progs/test_global_func8.c
new file mode 100644
index 000000000..d55a6544b
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_global_func8.c
@@ -0,0 +1,19 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/* Copyright (c) 2020 Facebook */
+#include <stddef.h>
+#include <linux/bpf.h>
+#include <bpf/bpf_helpers.h>
+
+__noinline int foo(struct __sk_buff *skb)
+{
+	return bpf_get_prandom_u32();
+}
+
+SEC("cgroup_skb/ingress")
+int test_cls(struct __sk_buff *skb)
+{
+	if (!foo(skb))
+		return 0;
+
+	return 1;
+}
diff --git a/tools/testing/selftests/bpf/progs/test_global_func9.c b/tools/testing/selftests/bpf/progs/test_global_func9.c
new file mode 100644
index 000000000..bd233dded
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_global_func9.c
@@ -0,0 +1,132 @@
+// SPDX-License-Identifier: GPL-2.0-only
+#include <stddef.h>
+#include <linux/bpf.h>
+#include <bpf/bpf_helpers.h>
+
+struct S {
+	int x;
+};
+
+struct C {
+	int x;
+	int y;
+};
+
+struct {
+	__uint(type, BPF_MAP_TYPE_ARRAY);
+	__uint(max_entries, 1);
+	__type(key, __u32);
+	__type(value, struct S);
+} map SEC(".maps");
+
+enum E {
+	E_ITEM
+};
+
+static int global_data_x = 100;
+static int volatile global_data_y = 500;
+
+__noinline int foo(const struct S *s)
+{
+	if (s)
+		return bpf_get_prandom_u32() < s->x;
+
+	return 0;
+}
+
+__noinline int bar(int *x)
+{
+	if (x)
+		*x &= bpf_get_prandom_u32();
+
+	return 0;
+}
+__noinline int baz(volatile int *x)
+{
+	if (x)
+		*x &= bpf_get_prandom_u32();
+
+	return 0;
+}
+
+__noinline int qux(enum E *e)
+{
+	if (e)
+		return *e;
+
+	return 0;
+}
+
+__noinline int quux(int (*arr)[10])
+{
+	if (arr)
+		return (*arr)[9];
+
+	return 0;
+}
+
+__noinline int quuz(int **p)
+{
+	if (p)
+		*p = NULL;
+
+	return 0;
+}
+
+SEC("cgroup_skb/ingress")
+int test_cls(struct __sk_buff *skb)
+{
+	int result = 0;
+
+	{
+		const struct S s = {.x = skb->len };
+
+		result |= foo(&s);
+	}
+
+	{
+		const __u32 key = 1;
+		const struct S *s = bpf_map_lookup_elem(&map, &key);
+
+		result |= foo(s);
+	}
+
+	{
+		const struct C c = {.x = skb->len, .y = skb->family };
+
+		result |= foo((const struct S *)&c);
+	}
+
+	{
+		result |= foo(NULL);
+	}
+
+	{
+		bar(&result);
+		bar(&global_data_x);
+	}
+
+	{
+		result |= baz(&global_data_y);
+	}
+
+	{
+		enum E e = E_ITEM;
+
+		result |= qux(&e);
+	}
+
+	{
+		int array[10] = {0};
+
+		result |= quux(&array);
+	}
+
+	{
+		int *p;
+
+		result |= quuz(&p);
+	}
+
+	return result ? 1 : 0;
+}
diff --git a/tools/testing/selftests/bpf/progs/test_global_func_args.c b/tools/testing/selftests/bpf/progs/test_global_func_args.c
new file mode 100644
index 000000000..e712bf77d
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_global_func_args.c
@@ -0,0 +1,91 @@
+// SPDX-License-Identifier: GPL-2.0
+
+#include <linux/bpf.h>
+
+#include <bpf/bpf_helpers.h>
+
+struct S {
+	int v;
+};
+
+struct S global_variable = {};
+
+struct {
+	__uint(type, BPF_MAP_TYPE_ARRAY);
+	__uint(max_entries, 7);
+	__type(key, __u32);
+	__type(value, int);
+} values SEC(".maps");
+
+static void save_value(__u32 index, int value)
+{
+	bpf_map_update_elem(&values, &index, &value, 0);
+}
+
+__noinline int foo(__u32 index, struct S *s)
+{
+	if (s) {
+		save_value(index, s->v);
+		return ++s->v;
+	}
+
+	save_value(index, 0);
+
+	return 1;
+}
+
+__noinline int bar(__u32 index, volatile struct S *s)
+{
+	if (s) {
+		save_value(index, s->v);
+		return ++s->v;
+	}
+
+	save_value(index, 0);
+
+	return 1;
+}
+
+__noinline int baz(struct S **s)
+{
+	if (s)
+		*s = 0;
+
+	return 0;
+}
+
+SEC("cgroup_skb/ingress")
+int test_cls(struct __sk_buff *skb)
+{
+	__u32 index = 0;
+
+	{
+		const int v = foo(index++, 0);
+
+		save_value(index++, v);
+	}
+
+	{
+		struct S s = { .v = 100 };
+
+		foo(index++, &s);
+		save_value(index++, s.v);
+	}
+
+	{
+		global_variable.v = 42;
+		bar(index++, &global_variable);
+		save_value(index++, global_variable.v);
+	}
+
+	{
+		struct S v, *p = &v;
+
+		baz(&p);
+		save_value(index++, !p);
+	}
+
+	return 0;
+}
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/test_hash_large_key.c b/tools/testing/selftests/bpf/progs/test_hash_large_key.c
new file mode 100644
index 000000000..473a22794
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_hash_large_key.c
@@ -0,0 +1,44 @@
+// SPDX-License-Identifier: GPL-2.0
+
+#include <linux/bpf.h>
+#include <bpf/bpf_helpers.h>
+
+char _license[] SEC("license") = "GPL";
+
+struct {
+	__uint(type, BPF_MAP_TYPE_HASH);
+	__uint(max_entries, 2);
+	__type(key, struct bigelement);
+	__type(value, __u32);
+} hash_map SEC(".maps");
+
+struct {
+	__uint(type, BPF_MAP_TYPE_PERCPU_ARRAY);
+	__uint(max_entries, 1);
+	__type(key, __u32);
+	__type(value, struct bigelement);
+} key_map SEC(".maps");
+
+struct bigelement {
+	int a;
+	char b[4096];
+	long long c;
+};
+
+SEC("raw_tracepoint/sys_enter")
+int bpf_hash_large_key_test(void *ctx)
+{
+	int zero = 0, err = 1, value = 42;
+	struct bigelement *key;
+
+	key = bpf_map_lookup_elem(&key_map, &zero);
+	if (!key)
+		return 0;
+
+	key->c = 1;
+	if (bpf_map_update_elem(&hash_map, key, &value, BPF_ANY))
+		return 0;
+
+	return 0;
+}
+
diff --git a/tools/testing/selftests/bpf/progs/test_helper_restricted.c b/tools/testing/selftests/bpf/progs/test_helper_restricted.c
new file mode 100644
index 000000000..5715c569e
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_helper_restricted.c
@@ -0,0 +1,123 @@
+// SPDX-License-Identifier: GPL-2.0-only
+#include <time.h>
+#include <linux/bpf.h>
+#include <bpf/bpf_helpers.h>
+
+struct timer {
+	struct bpf_timer t;
+};
+
+struct lock {
+	struct bpf_spin_lock l;
+};
+
+struct {
+	__uint(type, BPF_MAP_TYPE_ARRAY);
+	__uint(max_entries, 1);
+	__type(key, __u32);
+	__type(value, struct timer);
+} timers SEC(".maps");
+
+struct {
+	__uint(type, BPF_MAP_TYPE_ARRAY);
+	__uint(max_entries, 1);
+	__type(key, __u32);
+	__type(value, struct lock);
+} locks SEC(".maps");
+
+static int timer_cb(void *map, int *key, struct timer *timer)
+{
+	return 0;
+}
+
+static void timer_work(void)
+{
+	struct timer *timer;
+	const int key = 0;
+
+	timer  = bpf_map_lookup_elem(&timers, &key);
+	if (timer) {
+		bpf_timer_init(&timer->t, &timers, CLOCK_MONOTONIC);
+		bpf_timer_set_callback(&timer->t, timer_cb);
+		bpf_timer_start(&timer->t, 10E9, 0);
+		bpf_timer_cancel(&timer->t);
+	}
+}
+
+static void spin_lock_work(void)
+{
+	const int key = 0;
+	struct lock *lock;
+
+	lock = bpf_map_lookup_elem(&locks, &key);
+	if (lock) {
+		bpf_spin_lock(&lock->l);
+		bpf_spin_unlock(&lock->l);
+	}
+}
+
+SEC("?raw_tp/sys_enter")
+int raw_tp_timer(void *ctx)
+{
+	timer_work();
+
+	return 0;
+}
+
+SEC("?tp/syscalls/sys_enter_nanosleep")
+int tp_timer(void *ctx)
+{
+	timer_work();
+
+	return 0;
+}
+
+SEC("?kprobe")
+int kprobe_timer(void *ctx)
+{
+	timer_work();
+
+	return 0;
+}
+
+SEC("?perf_event")
+int perf_event_timer(void *ctx)
+{
+	timer_work();
+
+	return 0;
+}
+
+SEC("?raw_tp/sys_enter")
+int raw_tp_spin_lock(void *ctx)
+{
+	spin_lock_work();
+
+	return 0;
+}
+
+SEC("?tp/syscalls/sys_enter_nanosleep")
+int tp_spin_lock(void *ctx)
+{
+	spin_lock_work();
+
+	return 0;
+}
+
+SEC("?kprobe")
+int kprobe_spin_lock(void *ctx)
+{
+	spin_lock_work();
+
+	return 0;
+}
+
+SEC("?perf_event")
+int perf_event_spin_lock(void *ctx)
+{
+	spin_lock_work();
+
+	return 0;
+}
+
+const char LICENSE[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/test_jhash.h b/tools/testing/selftests/bpf/progs/test_jhash.h
new file mode 100644
index 000000000..c300734d2
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_jhash.h
@@ -0,0 +1,71 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (c) 2019 Facebook
+#include <features.h>
+
+typedef unsigned int u32;
+
+static __always_inline u32 rol32(u32 word, unsigned int shift)
+{
+	return (word << shift) | (word >> ((-shift) & 31));
+}
+
+#define __jhash_mix(a, b, c)			\
+{						\
+	a -= c;  a ^= rol32(c, 4);  c += b;	\
+	b -= a;  b ^= rol32(a, 6);  a += c;	\
+	c -= b;  c ^= rol32(b, 8);  b += a;	\
+	a -= c;  a ^= rol32(c, 16); c += b;	\
+	b -= a;  b ^= rol32(a, 19); a += c;	\
+	c -= b;  c ^= rol32(b, 4);  b += a;	\
+}
+
+#define __jhash_final(a, b, c)			\
+{						\
+	c ^= b; c -= rol32(b, 14);		\
+	a ^= c; a -= rol32(c, 11);		\
+	b ^= a; b -= rol32(a, 25);		\
+	c ^= b; c -= rol32(b, 16);		\
+	a ^= c; a -= rol32(c, 4);		\
+	b ^= a; b -= rol32(a, 14);		\
+	c ^= b; c -= rol32(b, 24);		\
+}
+
+#define JHASH_INITVAL		0xdeadbeef
+
+static ATTR
+u32 jhash(const void *key, u32 length, u32 initval)
+{
+	u32 a, b, c;
+	const unsigned char *k = key;
+
+	a = b = c = JHASH_INITVAL + length + initval;
+
+	while (length > 12) {
+		a += *(volatile u32 *)(k);
+		b += *(volatile u32 *)(k + 4);
+		c += *(volatile u32 *)(k + 8);
+		__jhash_mix(a, b, c);
+		length -= 12;
+		k += 12;
+	}
+	switch (length) {
+	case 12: c += (u32)k[11]<<24;
+	case 11: c += (u32)k[10]<<16;
+	case 10: c += (u32)k[9]<<8;
+	case 9:  c += k[8];
+	case 8:  b += (u32)k[7]<<24;
+	case 7:  b += (u32)k[6]<<16;
+	case 6:  b += (u32)k[5]<<8;
+	case 5:  b += k[4];
+	case 4:  a += (u32)k[3]<<24;
+	case 3:  a += (u32)k[2]<<16;
+	case 2:  a += (u32)k[1]<<8;
+	case 1:  a += k[0];
+		 c ^= a;
+		 __jhash_final(a, b, c);
+	case 0: /* Nothing left to add */
+		break;
+	}
+
+	return c;
+}
diff --git a/tools/testing/selftests/bpf/progs/test_kfunc_dynptr_param.c b/tools/testing/selftests/bpf/progs/test_kfunc_dynptr_param.c
new file mode 100644
index 000000000..ce39d096b
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_kfunc_dynptr_param.c
@@ -0,0 +1,94 @@
+// SPDX-License-Identifier: GPL-2.0
+
+/*
+ * Copyright (C) 2022 Huawei Technologies Duesseldorf GmbH
+ *
+ * Author: Roberto Sassu <roberto.sassu@huawei.com>
+ */
+
+#include "vmlinux.h"
+#include <errno.h>
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_tracing.h>
+
+extern struct bpf_key *bpf_lookup_system_key(__u64 id) __ksym;
+extern void bpf_key_put(struct bpf_key *key) __ksym;
+extern int bpf_verify_pkcs7_signature(struct bpf_dynptr *data_ptr,
+				      struct bpf_dynptr *sig_ptr,
+				      struct bpf_key *trusted_keyring) __ksym;
+
+struct {
+	__uint(type, BPF_MAP_TYPE_RINGBUF);
+} ringbuf SEC(".maps");
+
+struct {
+	__uint(type, BPF_MAP_TYPE_ARRAY);
+	__uint(max_entries, 1);
+	__type(key, __u32);
+	__type(value, __u32);
+} array_map SEC(".maps");
+
+int err, pid;
+
+char _license[] SEC("license") = "GPL";
+
+SEC("?lsm.s/bpf")
+int BPF_PROG(dynptr_type_not_supp, int cmd, union bpf_attr *attr,
+	     unsigned int size)
+{
+	char write_data[64] = "hello there, world!!";
+	struct bpf_dynptr ptr;
+
+	bpf_ringbuf_reserve_dynptr(&ringbuf, sizeof(write_data), 0, &ptr);
+
+	return bpf_verify_pkcs7_signature(&ptr, &ptr, NULL);
+}
+
+SEC("?lsm.s/bpf")
+int BPF_PROG(not_valid_dynptr, int cmd, union bpf_attr *attr, unsigned int size)
+{
+	unsigned long val;
+
+	return bpf_verify_pkcs7_signature((struct bpf_dynptr *)&val,
+					  (struct bpf_dynptr *)&val, NULL);
+}
+
+SEC("?lsm.s/bpf")
+int BPF_PROG(not_ptr_to_stack, int cmd, union bpf_attr *attr, unsigned int size)
+{
+	unsigned long val;
+
+	return bpf_verify_pkcs7_signature((struct bpf_dynptr *)val,
+					  (struct bpf_dynptr *)val, NULL);
+}
+
+SEC("lsm.s/bpf")
+int BPF_PROG(dynptr_data_null, int cmd, union bpf_attr *attr, unsigned int size)
+{
+	struct bpf_key *trusted_keyring;
+	struct bpf_dynptr ptr;
+	__u32 *value;
+	int ret, zero = 0;
+
+	if (bpf_get_current_pid_tgid() >> 32 != pid)
+		return 0;
+
+	value = bpf_map_lookup_elem(&array_map, &zero);
+	if (!value)
+		return 0;
+
+	/* Pass invalid flags. */
+	ret = bpf_dynptr_from_mem(value, sizeof(*value), ((__u64)~0ULL), &ptr);
+	if (ret != -EINVAL)
+		return 0;
+
+	trusted_keyring = bpf_lookup_system_key(0);
+	if (!trusted_keyring)
+		return 0;
+
+	err = bpf_verify_pkcs7_signature(&ptr, &ptr, trusted_keyring);
+
+	bpf_key_put(trusted_keyring);
+
+	return 0;
+}
diff --git a/tools/testing/selftests/bpf/progs/test_ksyms.c b/tools/testing/selftests/bpf/progs/test_ksyms.c
new file mode 100644
index 000000000..6c9cbb5a3
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_ksyms.c
@@ -0,0 +1,32 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2019 Facebook */
+
+#include <stdbool.h>
+#include <linux/bpf.h>
+#include <bpf/bpf_helpers.h>
+
+__u64 out__bpf_link_fops = -1;
+__u64 out__bpf_link_fops1 = -1;
+__u64 out__btf_size = -1;
+__u64 out__per_cpu_start = -1;
+
+extern const void bpf_link_fops __ksym;
+extern const void __start_BTF __ksym;
+extern const void __stop_BTF __ksym;
+extern const void __per_cpu_start __ksym;
+/* non-existing symbol, weak, default to zero */
+extern const void bpf_link_fops1 __ksym __weak;
+
+SEC("raw_tp/sys_enter")
+int handler(const void *ctx)
+{
+	out__bpf_link_fops = (__u64)&bpf_link_fops;
+	out__btf_size = (__u64)(&__stop_BTF - &__start_BTF);
+	out__per_cpu_start = (__u64)&__per_cpu_start;
+
+	out__bpf_link_fops1 = (__u64)&bpf_link_fops1;
+
+	return 0;
+}
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/test_ksyms_btf.c b/tools/testing/selftests/bpf/progs/test_ksyms_btf.c
new file mode 100644
index 000000000..bb8ea9270
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_ksyms_btf.c
@@ -0,0 +1,55 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2020 Google */
+
+#include "vmlinux.h"
+
+#include <bpf/bpf_helpers.h>
+
+__u64 out__runqueues_addr = -1;
+__u64 out__bpf_prog_active_addr = -1;
+
+__u32 out__rq_cpu = -1; /* percpu struct fields */
+int out__bpf_prog_active = -1; /* percpu int */
+
+__u32 out__this_rq_cpu = -1;
+int out__this_bpf_prog_active = -1;
+
+__u32 out__cpu_0_rq_cpu = -1; /* cpu_rq(0)->cpu */
+
+extern const struct rq runqueues __ksym; /* struct type global var. */
+extern const int bpf_prog_active __ksym; /* int type global var. */
+
+SEC("raw_tp/sys_enter")
+int handler(const void *ctx)
+{
+	struct rq *rq;
+	int *active;
+	__u32 cpu;
+
+	out__runqueues_addr = (__u64)&runqueues;
+	out__bpf_prog_active_addr = (__u64)&bpf_prog_active;
+
+	cpu = bpf_get_smp_processor_id();
+
+	/* test bpf_per_cpu_ptr() */
+	rq = (struct rq *)bpf_per_cpu_ptr(&runqueues, cpu);
+	if (rq)
+		out__rq_cpu = rq->cpu;
+	active = (int *)bpf_per_cpu_ptr(&bpf_prog_active, cpu);
+	if (active)
+		out__bpf_prog_active = *active;
+
+	rq = (struct rq *)bpf_per_cpu_ptr(&runqueues, 0);
+	if (rq) /* should always be valid, but we can't spare the check. */
+		out__cpu_0_rq_cpu = rq->cpu;
+
+	/* test bpf_this_cpu_ptr */
+	rq = (struct rq *)bpf_this_cpu_ptr(&runqueues);
+	out__this_rq_cpu = rq->cpu;
+	active = (int *)bpf_this_cpu_ptr(&bpf_prog_active);
+	out__this_bpf_prog_active = *active;
+
+	return 0;
+}
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/test_ksyms_btf_null_check.c b/tools/testing/selftests/bpf/progs/test_ksyms_btf_null_check.c
new file mode 100644
index 000000000..8bc8f7c63
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_ksyms_btf_null_check.c
@@ -0,0 +1,31 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2020 Facebook */
+
+#include "vmlinux.h"
+
+#include <bpf/bpf_helpers.h>
+
+extern const struct rq runqueues __ksym; /* struct type global var. */
+extern const int bpf_prog_active __ksym; /* int type global var. */
+
+SEC("raw_tp/sys_enter")
+int handler(const void *ctx)
+{
+	struct rq *rq;
+	int *active;
+	__u32 cpu;
+
+	cpu = bpf_get_smp_processor_id();
+	rq = (struct rq *)bpf_per_cpu_ptr(&runqueues, cpu);
+	active = (int *)bpf_per_cpu_ptr(&bpf_prog_active, cpu);
+	if (active) {
+		/* READ_ONCE */
+		*(volatile int *)active;
+		/* !rq has not been tested, so verifier should reject. */
+		*(volatile int *)(&rq->cpu);
+	}
+
+	return 0;
+}
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/test_ksyms_btf_write_check.c b/tools/testing/selftests/bpf/progs/test_ksyms_btf_write_check.c
new file mode 100644
index 000000000..a72a5bf38
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_ksyms_btf_write_check.c
@@ -0,0 +1,45 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2021 Google */
+
+#include "vmlinux.h"
+
+#include <bpf/bpf_helpers.h>
+
+extern const int bpf_prog_active __ksym; /* int type global var. */
+
+SEC("raw_tp/sys_enter")
+int handler1(const void *ctx)
+{
+	int *active;
+	__u32 cpu;
+
+	cpu = bpf_get_smp_processor_id();
+	active = (int *)bpf_per_cpu_ptr(&bpf_prog_active, cpu);
+	if (active) {
+		/* Kernel memory obtained from bpf_{per,this}_cpu_ptr
+		 * is read-only, should _not_ pass verification.
+		 */
+		/* WRITE_ONCE */
+		*(volatile int *)active = -1;
+	}
+
+	return 0;
+}
+
+__noinline int write_active(int *p)
+{
+	return p ? (*p = 42) : 0;
+}
+
+SEC("raw_tp/sys_enter")
+int handler2(const void *ctx)
+{
+	int *active;
+	__u32 cpu;
+
+	active = bpf_this_cpu_ptr(&bpf_prog_active);
+	write_active(active);
+	return 0;
+}
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/test_ksyms_module.c b/tools/testing/selftests/bpf/progs/test_ksyms_module.c
new file mode 100644
index 000000000..0650d918c
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_ksyms_module.c
@@ -0,0 +1,50 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2021 Facebook */
+
+#include "vmlinux.h"
+#include <bpf/bpf_helpers.h>
+
+#define X_0(x)
+#define X_1(x) x X_0(x)
+#define X_2(x) x X_1(x)
+#define X_3(x) x X_2(x)
+#define X_4(x) x X_3(x)
+#define X_5(x) x X_4(x)
+#define X_6(x) x X_5(x)
+#define X_7(x) x X_6(x)
+#define X_8(x) x X_7(x)
+#define X_9(x) x X_8(x)
+#define X_10(x) x X_9(x)
+#define REPEAT_256(Y) X_2(X_10(X_10(Y))) X_5(X_10(Y)) X_6(Y)
+
+extern const int bpf_testmod_ksym_percpu __ksym;
+extern void bpf_testmod_test_mod_kfunc(int i) __ksym;
+extern void bpf_testmod_invalid_mod_kfunc(void) __ksym __weak;
+
+int out_bpf_testmod_ksym = 0;
+const volatile int x = 0;
+
+SEC("tc")
+int load(struct __sk_buff *skb)
+{
+	/* This will be kept by clang, but removed by verifier. Since it is
+	 * marked as __weak, libbpf and gen_loader don't error out if BTF ID
+	 * is not found for it, instead imm and off is set to 0 for it.
+	 */
+	if (x)
+		bpf_testmod_invalid_mod_kfunc();
+	bpf_testmod_test_mod_kfunc(42);
+	out_bpf_testmod_ksym = *(int *)bpf_this_cpu_ptr(&bpf_testmod_ksym_percpu);
+	return 0;
+}
+
+SEC("tc")
+int load_256(struct __sk_buff *skb)
+{
+	/* this will fail if kfunc doesn't reuse its own btf fd index */
+	REPEAT_256(bpf_testmod_test_mod_kfunc(42););
+	bpf_testmod_test_mod_kfunc(42);
+	return 0;
+}
+
+char LICENSE[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/test_ksyms_weak.c b/tools/testing/selftests/bpf/progs/test_ksyms_weak.c
new file mode 100644
index 000000000..5f8379aad
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_ksyms_weak.c
@@ -0,0 +1,56 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Test weak ksyms.
+ *
+ * Copyright (c) 2021 Google
+ */
+
+#include "vmlinux.h"
+
+#include <bpf/bpf_helpers.h>
+
+int out__existing_typed = -1;
+__u64 out__existing_typeless = -1;
+
+__u64 out__non_existent_typeless = -1;
+__u64 out__non_existent_typed = -1;
+
+/* existing weak symbols */
+
+/* test existing weak symbols can be resolved. */
+extern const struct rq runqueues __ksym __weak; /* typed */
+extern const void bpf_prog_active __ksym __weak; /* typeless */
+
+
+/* non-existent weak symbols. */
+
+/* typeless symbols, default to zero. */
+extern const void bpf_link_fops1 __ksym __weak;
+
+/* typed symbols, default to zero. */
+extern const int bpf_link_fops2 __ksym __weak;
+
+SEC("raw_tp/sys_enter")
+int pass_handler(const void *ctx)
+{
+	struct rq *rq;
+
+	/* tests existing symbols. */
+	rq = (struct rq *)bpf_per_cpu_ptr(&runqueues, 0);
+	if (rq)
+		out__existing_typed = rq->cpu;
+	out__existing_typeless = (__u64)&bpf_prog_active;
+
+	/* tests non-existent symbols. */
+	out__non_existent_typeless = (__u64)&bpf_link_fops1;
+
+	/* tests non-existent symbols. */
+	out__non_existent_typed = (__u64)&bpf_link_fops2;
+
+	if (&bpf_link_fops2) /* can't happen */
+		out__non_existent_typed = (__u64)bpf_per_cpu_ptr(&bpf_link_fops2, 0);
+
+	return 0;
+}
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/test_l4lb.c b/tools/testing/selftests/bpf/progs/test_l4lb.c
new file mode 100644
index 000000000..c26057ec4
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_l4lb.c
@@ -0,0 +1,471 @@
+/* Copyright (c) 2017 Facebook
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of version 2 of the GNU General Public
+ * License as published by the Free Software Foundation.
+ */
+#include <stddef.h>
+#include <stdbool.h>
+#include <string.h>
+#include <linux/pkt_cls.h>
+#include <linux/bpf.h>
+#include <linux/in.h>
+#include <linux/if_ether.h>
+#include <linux/ip.h>
+#include <linux/ipv6.h>
+#include <linux/icmp.h>
+#include <linux/icmpv6.h>
+#include <linux/tcp.h>
+#include <linux/udp.h>
+#include <bpf/bpf_helpers.h>
+#include "test_iptunnel_common.h"
+#include <bpf/bpf_endian.h>
+
+static inline __u32 rol32(__u32 word, unsigned int shift)
+{
+	return (word << shift) | (word >> ((-shift) & 31));
+}
+
+/* copy paste of jhash from kernel sources to make sure llvm
+ * can compile it into valid sequence of bpf instructions
+ */
+#define __jhash_mix(a, b, c)			\
+{						\
+	a -= c;  a ^= rol32(c, 4);  c += b;	\
+	b -= a;  b ^= rol32(a, 6);  a += c;	\
+	c -= b;  c ^= rol32(b, 8);  b += a;	\
+	a -= c;  a ^= rol32(c, 16); c += b;	\
+	b -= a;  b ^= rol32(a, 19); a += c;	\
+	c -= b;  c ^= rol32(b, 4);  b += a;	\
+}
+
+#define __jhash_final(a, b, c)			\
+{						\
+	c ^= b; c -= rol32(b, 14);		\
+	a ^= c; a -= rol32(c, 11);		\
+	b ^= a; b -= rol32(a, 25);		\
+	c ^= b; c -= rol32(b, 16);		\
+	a ^= c; a -= rol32(c, 4);		\
+	b ^= a; b -= rol32(a, 14);		\
+	c ^= b; c -= rol32(b, 24);		\
+}
+
+#define JHASH_INITVAL		0xdeadbeef
+
+typedef unsigned int u32;
+
+static inline u32 jhash(const void *key, u32 length, u32 initval)
+{
+	u32 a, b, c;
+	const unsigned char *k = key;
+
+	a = b = c = JHASH_INITVAL + length + initval;
+
+	while (length > 12) {
+		a += *(u32 *)(k);
+		b += *(u32 *)(k + 4);
+		c += *(u32 *)(k + 8);
+		__jhash_mix(a, b, c);
+		length -= 12;
+		k += 12;
+	}
+	switch (length) {
+	case 12: c += (u32)k[11]<<24;
+	case 11: c += (u32)k[10]<<16;
+	case 10: c += (u32)k[9]<<8;
+	case 9:  c += k[8];
+	case 8:  b += (u32)k[7]<<24;
+	case 7:  b += (u32)k[6]<<16;
+	case 6:  b += (u32)k[5]<<8;
+	case 5:  b += k[4];
+	case 4:  a += (u32)k[3]<<24;
+	case 3:  a += (u32)k[2]<<16;
+	case 2:  a += (u32)k[1]<<8;
+	case 1:  a += k[0];
+		 __jhash_final(a, b, c);
+	case 0: /* Nothing left to add */
+		break;
+	}
+
+	return c;
+}
+
+static inline u32 __jhash_nwords(u32 a, u32 b, u32 c, u32 initval)
+{
+	a += initval;
+	b += initval;
+	c += initval;
+	__jhash_final(a, b, c);
+	return c;
+}
+
+static inline u32 jhash_2words(u32 a, u32 b, u32 initval)
+{
+	return __jhash_nwords(a, b, 0, initval + JHASH_INITVAL + (2 << 2));
+}
+
+#define PCKT_FRAGMENTED 65343
+#define IPV4_HDR_LEN_NO_OPT 20
+#define IPV4_PLUS_ICMP_HDR 28
+#define IPV6_PLUS_ICMP_HDR 48
+#define RING_SIZE 2
+#define MAX_VIPS 12
+#define MAX_REALS 5
+#define CTL_MAP_SIZE 16
+#define CH_RINGS_SIZE (MAX_VIPS * RING_SIZE)
+#define F_IPV6 (1 << 0)
+#define F_HASH_NO_SRC_PORT (1 << 0)
+#define F_ICMP (1 << 0)
+#define F_SYN_SET (1 << 1)
+
+struct packet_description {
+	union {
+		__be32 src;
+		__be32 srcv6[4];
+	};
+	union {
+		__be32 dst;
+		__be32 dstv6[4];
+	};
+	union {
+		__u32 ports;
+		__u16 port16[2];
+	};
+	__u8 proto;
+	__u8 flags;
+};
+
+struct ctl_value {
+	union {
+		__u64 value;
+		__u32 ifindex;
+		__u8 mac[6];
+	};
+};
+
+struct vip_meta {
+	__u32 flags;
+	__u32 vip_num;
+};
+
+struct real_definition {
+	union {
+		__be32 dst;
+		__be32 dstv6[4];
+	};
+	__u8 flags;
+};
+
+struct vip_stats {
+	__u64 bytes;
+	__u64 pkts;
+};
+
+struct eth_hdr {
+	unsigned char eth_dest[ETH_ALEN];
+	unsigned char eth_source[ETH_ALEN];
+	unsigned short eth_proto;
+};
+
+struct {
+	__uint(type, BPF_MAP_TYPE_HASH);
+	__uint(max_entries, MAX_VIPS);
+	__type(key, struct vip);
+	__type(value, struct vip_meta);
+} vip_map SEC(".maps");
+
+struct {
+	__uint(type, BPF_MAP_TYPE_ARRAY);
+	__uint(max_entries, CH_RINGS_SIZE);
+	__type(key, __u32);
+	__type(value, __u32);
+} ch_rings SEC(".maps");
+
+struct {
+	__uint(type, BPF_MAP_TYPE_ARRAY);
+	__uint(max_entries, MAX_REALS);
+	__type(key, __u32);
+	__type(value, struct real_definition);
+} reals SEC(".maps");
+
+struct {
+	__uint(type, BPF_MAP_TYPE_PERCPU_ARRAY);
+	__uint(max_entries, MAX_VIPS);
+	__type(key, __u32);
+	__type(value, struct vip_stats);
+} stats SEC(".maps");
+
+struct {
+	__uint(type, BPF_MAP_TYPE_ARRAY);
+	__uint(max_entries, CTL_MAP_SIZE);
+	__type(key, __u32);
+	__type(value, struct ctl_value);
+} ctl_array SEC(".maps");
+
+static __always_inline __u32 get_packet_hash(struct packet_description *pckt,
+					     bool ipv6)
+{
+	if (ipv6)
+		return jhash_2words(jhash(pckt->srcv6, 16, MAX_VIPS),
+				    pckt->ports, CH_RINGS_SIZE);
+	else
+		return jhash_2words(pckt->src, pckt->ports, CH_RINGS_SIZE);
+}
+
+static __always_inline bool get_packet_dst(struct real_definition **real,
+					   struct packet_description *pckt,
+					   struct vip_meta *vip_info,
+					   bool is_ipv6)
+{
+	__u32 hash = get_packet_hash(pckt, is_ipv6) % RING_SIZE;
+	__u32 key = RING_SIZE * vip_info->vip_num + hash;
+	__u32 *real_pos;
+
+	real_pos = bpf_map_lookup_elem(&ch_rings, &key);
+	if (!real_pos)
+		return false;
+	key = *real_pos;
+	*real = bpf_map_lookup_elem(&reals, &key);
+	if (!(*real))
+		return false;
+	return true;
+}
+
+static __always_inline int parse_icmpv6(void *data, void *data_end, __u64 off,
+					struct packet_description *pckt)
+{
+	struct icmp6hdr *icmp_hdr;
+	struct ipv6hdr *ip6h;
+
+	icmp_hdr = data + off;
+	if (icmp_hdr + 1 > data_end)
+		return TC_ACT_SHOT;
+	if (icmp_hdr->icmp6_type != ICMPV6_PKT_TOOBIG)
+		return TC_ACT_OK;
+	off += sizeof(struct icmp6hdr);
+	ip6h = data + off;
+	if (ip6h + 1 > data_end)
+		return TC_ACT_SHOT;
+	pckt->proto = ip6h->nexthdr;
+	pckt->flags |= F_ICMP;
+	memcpy(pckt->srcv6, ip6h->daddr.s6_addr32, 16);
+	memcpy(pckt->dstv6, ip6h->saddr.s6_addr32, 16);
+	return TC_ACT_UNSPEC;
+}
+
+static __always_inline int parse_icmp(void *data, void *data_end, __u64 off,
+				      struct packet_description *pckt)
+{
+	struct icmphdr *icmp_hdr;
+	struct iphdr *iph;
+
+	icmp_hdr = data + off;
+	if (icmp_hdr + 1 > data_end)
+		return TC_ACT_SHOT;
+	if (icmp_hdr->type != ICMP_DEST_UNREACH ||
+	    icmp_hdr->code != ICMP_FRAG_NEEDED)
+		return TC_ACT_OK;
+	off += sizeof(struct icmphdr);
+	iph = data + off;
+	if (iph + 1 > data_end)
+		return TC_ACT_SHOT;
+	if (iph->ihl != 5)
+		return TC_ACT_SHOT;
+	pckt->proto = iph->protocol;
+	pckt->flags |= F_ICMP;
+	pckt->src = iph->daddr;
+	pckt->dst = iph->saddr;
+	return TC_ACT_UNSPEC;
+}
+
+static __always_inline bool parse_udp(void *data, __u64 off, void *data_end,
+				      struct packet_description *pckt)
+{
+	struct udphdr *udp;
+	udp = data + off;
+
+	if (udp + 1 > data_end)
+		return false;
+
+	if (!(pckt->flags & F_ICMP)) {
+		pckt->port16[0] = udp->source;
+		pckt->port16[1] = udp->dest;
+	} else {
+		pckt->port16[0] = udp->dest;
+		pckt->port16[1] = udp->source;
+	}
+	return true;
+}
+
+static __always_inline bool parse_tcp(void *data, __u64 off, void *data_end,
+				      struct packet_description *pckt)
+{
+	struct tcphdr *tcp;
+
+	tcp = data + off;
+	if (tcp + 1 > data_end)
+		return false;
+
+	if (tcp->syn)
+		pckt->flags |= F_SYN_SET;
+
+	if (!(pckt->flags & F_ICMP)) {
+		pckt->port16[0] = tcp->source;
+		pckt->port16[1] = tcp->dest;
+	} else {
+		pckt->port16[0] = tcp->dest;
+		pckt->port16[1] = tcp->source;
+	}
+	return true;
+}
+
+static __always_inline int process_packet(void *data, __u64 off, void *data_end,
+					  bool is_ipv6, struct __sk_buff *skb)
+{
+	void *pkt_start = (void *)(long)skb->data;
+	struct packet_description pckt = {};
+	struct eth_hdr *eth = pkt_start;
+	struct bpf_tunnel_key tkey = {};
+	struct vip_stats *data_stats;
+	struct real_definition *dst;
+	struct vip_meta *vip_info;
+	struct ctl_value *cval;
+	__u32 v4_intf_pos = 1;
+	__u32 v6_intf_pos = 2;
+	struct ipv6hdr *ip6h;
+	struct vip vip = {};
+	struct iphdr *iph;
+	int tun_flag = 0;
+	__u16 pkt_bytes;
+	__u64 iph_len;
+	__u32 ifindex;
+	__u8 protocol;
+	__u32 vip_num;
+	int action;
+
+	tkey.tunnel_ttl = 64;
+	if (is_ipv6) {
+		ip6h = data + off;
+		if (ip6h + 1 > data_end)
+			return TC_ACT_SHOT;
+
+		iph_len = sizeof(struct ipv6hdr);
+		protocol = ip6h->nexthdr;
+		pckt.proto = protocol;
+		pkt_bytes = bpf_ntohs(ip6h->payload_len);
+		off += iph_len;
+		if (protocol == IPPROTO_FRAGMENT) {
+			return TC_ACT_SHOT;
+		} else if (protocol == IPPROTO_ICMPV6) {
+			action = parse_icmpv6(data, data_end, off, &pckt);
+			if (action >= 0)
+				return action;
+			off += IPV6_PLUS_ICMP_HDR;
+		} else {
+			memcpy(pckt.srcv6, ip6h->saddr.s6_addr32, 16);
+			memcpy(pckt.dstv6, ip6h->daddr.s6_addr32, 16);
+		}
+	} else {
+		iph = data + off;
+		if (iph + 1 > data_end)
+			return TC_ACT_SHOT;
+		if (iph->ihl != 5)
+			return TC_ACT_SHOT;
+
+		protocol = iph->protocol;
+		pckt.proto = protocol;
+		pkt_bytes = bpf_ntohs(iph->tot_len);
+		off += IPV4_HDR_LEN_NO_OPT;
+
+		if (iph->frag_off & PCKT_FRAGMENTED)
+			return TC_ACT_SHOT;
+		if (protocol == IPPROTO_ICMP) {
+			action = parse_icmp(data, data_end, off, &pckt);
+			if (action >= 0)
+				return action;
+			off += IPV4_PLUS_ICMP_HDR;
+		} else {
+			pckt.src = iph->saddr;
+			pckt.dst = iph->daddr;
+		}
+	}
+	protocol = pckt.proto;
+
+	if (protocol == IPPROTO_TCP) {
+		if (!parse_tcp(data, off, data_end, &pckt))
+			return TC_ACT_SHOT;
+	} else if (protocol == IPPROTO_UDP) {
+		if (!parse_udp(data, off, data_end, &pckt))
+			return TC_ACT_SHOT;
+	} else {
+		return TC_ACT_SHOT;
+	}
+
+	if (is_ipv6)
+		memcpy(vip.daddr.v6, pckt.dstv6, 16);
+	else
+		vip.daddr.v4 = pckt.dst;
+
+	vip.dport = pckt.port16[1];
+	vip.protocol = pckt.proto;
+	vip_info = bpf_map_lookup_elem(&vip_map, &vip);
+	if (!vip_info) {
+		vip.dport = 0;
+		vip_info = bpf_map_lookup_elem(&vip_map, &vip);
+		if (!vip_info)
+			return TC_ACT_SHOT;
+		pckt.port16[1] = 0;
+	}
+
+	if (vip_info->flags & F_HASH_NO_SRC_PORT)
+		pckt.port16[0] = 0;
+
+	if (!get_packet_dst(&dst, &pckt, vip_info, is_ipv6))
+		return TC_ACT_SHOT;
+
+	if (dst->flags & F_IPV6) {
+		cval = bpf_map_lookup_elem(&ctl_array, &v6_intf_pos);
+		if (!cval)
+			return TC_ACT_SHOT;
+		ifindex = cval->ifindex;
+		memcpy(tkey.remote_ipv6, dst->dstv6, 16);
+		tun_flag = BPF_F_TUNINFO_IPV6;
+	} else {
+		cval = bpf_map_lookup_elem(&ctl_array, &v4_intf_pos);
+		if (!cval)
+			return TC_ACT_SHOT;
+		ifindex = cval->ifindex;
+		tkey.remote_ipv4 = dst->dst;
+	}
+	vip_num = vip_info->vip_num;
+	data_stats = bpf_map_lookup_elem(&stats, &vip_num);
+	if (!data_stats)
+		return TC_ACT_SHOT;
+	data_stats->pkts++;
+	data_stats->bytes += pkt_bytes;
+	bpf_skb_set_tunnel_key(skb, &tkey, sizeof(tkey), tun_flag);
+	*(u32 *)eth->eth_dest = tkey.remote_ipv4;
+	return bpf_redirect(ifindex, 0);
+}
+
+SEC("tc")
+int balancer_ingress(struct __sk_buff *ctx)
+{
+	void *data_end = (void *)(long)ctx->data_end;
+	void *data = (void *)(long)ctx->data;
+	struct eth_hdr *eth = data;
+	__u32 eth_proto;
+	__u32 nh_off;
+
+	nh_off = sizeof(struct eth_hdr);
+	if (data + nh_off > data_end)
+		return TC_ACT_SHOT;
+	eth_proto = eth->eth_proto;
+	if (eth_proto == bpf_htons(ETH_P_IP))
+		return process_packet(data, nh_off, data_end, false, ctx);
+	else if (eth_proto == bpf_htons(ETH_P_IPV6))
+		return process_packet(data, nh_off, data_end, true, ctx);
+	else
+		return TC_ACT_SHOT;
+}
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/test_l4lb_noinline.c b/tools/testing/selftests/bpf/progs/test_l4lb_noinline.c
new file mode 100644
index 000000000..c8bc0c694
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_l4lb_noinline.c
@@ -0,0 +1,470 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (c) 2017 Facebook
+#include <stddef.h>
+#include <stdbool.h>
+#include <string.h>
+#include <linux/pkt_cls.h>
+#include <linux/bpf.h>
+#include <linux/in.h>
+#include <linux/if_ether.h>
+#include <linux/ip.h>
+#include <linux/ipv6.h>
+#include <linux/icmp.h>
+#include <linux/icmpv6.h>
+#include <linux/tcp.h>
+#include <linux/udp.h>
+#include <bpf/bpf_helpers.h>
+#include "test_iptunnel_common.h"
+#include <bpf/bpf_endian.h>
+
+static __always_inline __u32 rol32(__u32 word, unsigned int shift)
+{
+	return (word << shift) | (word >> ((-shift) & 31));
+}
+
+/* copy paste of jhash from kernel sources to make sure llvm
+ * can compile it into valid sequence of bpf instructions
+ */
+#define __jhash_mix(a, b, c)			\
+{						\
+	a -= c;  a ^= rol32(c, 4);  c += b;	\
+	b -= a;  b ^= rol32(a, 6);  a += c;	\
+	c -= b;  c ^= rol32(b, 8);  b += a;	\
+	a -= c;  a ^= rol32(c, 16); c += b;	\
+	b -= a;  b ^= rol32(a, 19); a += c;	\
+	c -= b;  c ^= rol32(b, 4);  b += a;	\
+}
+
+#define __jhash_final(a, b, c)			\
+{						\
+	c ^= b; c -= rol32(b, 14);		\
+	a ^= c; a -= rol32(c, 11);		\
+	b ^= a; b -= rol32(a, 25);		\
+	c ^= b; c -= rol32(b, 16);		\
+	a ^= c; a -= rol32(c, 4);		\
+	b ^= a; b -= rol32(a, 14);		\
+	c ^= b; c -= rol32(b, 24);		\
+}
+
+#define JHASH_INITVAL		0xdeadbeef
+
+typedef unsigned int u32;
+
+static __noinline u32 jhash(const void *key, u32 length, u32 initval)
+{
+	u32 a, b, c;
+	const unsigned char *k = key;
+
+	a = b = c = JHASH_INITVAL + length + initval;
+
+	while (length > 12) {
+		a += *(u32 *)(k);
+		b += *(u32 *)(k + 4);
+		c += *(u32 *)(k + 8);
+		__jhash_mix(a, b, c);
+		length -= 12;
+		k += 12;
+	}
+	switch (length) {
+	case 12: c += (u32)k[11]<<24;
+	case 11: c += (u32)k[10]<<16;
+	case 10: c += (u32)k[9]<<8;
+	case 9:  c += k[8];
+	case 8:  b += (u32)k[7]<<24;
+	case 7:  b += (u32)k[6]<<16;
+	case 6:  b += (u32)k[5]<<8;
+	case 5:  b += k[4];
+	case 4:  a += (u32)k[3]<<24;
+	case 3:  a += (u32)k[2]<<16;
+	case 2:  a += (u32)k[1]<<8;
+	case 1:  a += k[0];
+		 __jhash_final(a, b, c);
+	case 0: /* Nothing left to add */
+		break;
+	}
+
+	return c;
+}
+
+static __noinline u32 __jhash_nwords(u32 a, u32 b, u32 c, u32 initval)
+{
+	a += initval;
+	b += initval;
+	c += initval;
+	__jhash_final(a, b, c);
+	return c;
+}
+
+static __noinline u32 jhash_2words(u32 a, u32 b, u32 initval)
+{
+	return __jhash_nwords(a, b, 0, initval + JHASH_INITVAL + (2 << 2));
+}
+
+#define PCKT_FRAGMENTED 65343
+#define IPV4_HDR_LEN_NO_OPT 20
+#define IPV4_PLUS_ICMP_HDR 28
+#define IPV6_PLUS_ICMP_HDR 48
+#define RING_SIZE 2
+#define MAX_VIPS 12
+#define MAX_REALS 5
+#define CTL_MAP_SIZE 16
+#define CH_RINGS_SIZE (MAX_VIPS * RING_SIZE)
+#define F_IPV6 (1 << 0)
+#define F_HASH_NO_SRC_PORT (1 << 0)
+#define F_ICMP (1 << 0)
+#define F_SYN_SET (1 << 1)
+
+struct packet_description {
+	union {
+		__be32 src;
+		__be32 srcv6[4];
+	};
+	union {
+		__be32 dst;
+		__be32 dstv6[4];
+	};
+	union {
+		__u32 ports;
+		__u16 port16[2];
+	};
+	__u8 proto;
+	__u8 flags;
+};
+
+struct ctl_value {
+	union {
+		__u64 value;
+		__u32 ifindex;
+		__u8 mac[6];
+	};
+};
+
+struct vip_meta {
+	__u32 flags;
+	__u32 vip_num;
+};
+
+struct real_definition {
+	union {
+		__be32 dst;
+		__be32 dstv6[4];
+	};
+	__u8 flags;
+};
+
+struct vip_stats {
+	__u64 bytes;
+	__u64 pkts;
+};
+
+struct eth_hdr {
+	unsigned char eth_dest[ETH_ALEN];
+	unsigned char eth_source[ETH_ALEN];
+	unsigned short eth_proto;
+};
+
+struct {
+	__uint(type, BPF_MAP_TYPE_HASH);
+	__uint(max_entries, MAX_VIPS);
+	__type(key, struct vip);
+	__type(value, struct vip_meta);
+} vip_map SEC(".maps");
+
+struct {
+	__uint(type, BPF_MAP_TYPE_ARRAY);
+	__uint(max_entries, CH_RINGS_SIZE);
+	__type(key, __u32);
+	__type(value, __u32);
+} ch_rings SEC(".maps");
+
+struct {
+	__uint(type, BPF_MAP_TYPE_ARRAY);
+	__uint(max_entries, MAX_REALS);
+	__type(key, __u32);
+	__type(value, struct real_definition);
+} reals SEC(".maps");
+
+struct {
+	__uint(type, BPF_MAP_TYPE_PERCPU_ARRAY);
+	__uint(max_entries, MAX_VIPS);
+	__type(key, __u32);
+	__type(value, struct vip_stats);
+} stats SEC(".maps");
+
+struct {
+	__uint(type, BPF_MAP_TYPE_ARRAY);
+	__uint(max_entries, CTL_MAP_SIZE);
+	__type(key, __u32);
+	__type(value, struct ctl_value);
+} ctl_array SEC(".maps");
+
+static __noinline __u32 get_packet_hash(struct packet_description *pckt, bool ipv6)
+{
+	if (ipv6)
+		return jhash_2words(jhash(pckt->srcv6, 16, MAX_VIPS),
+				    pckt->ports, CH_RINGS_SIZE);
+	else
+		return jhash_2words(pckt->src, pckt->ports, CH_RINGS_SIZE);
+}
+
+static __noinline bool get_packet_dst(struct real_definition **real,
+				      struct packet_description *pckt,
+				      struct vip_meta *vip_info,
+				      bool is_ipv6)
+{
+	__u32 hash = get_packet_hash(pckt, is_ipv6);
+	__u32 key = RING_SIZE * vip_info->vip_num + hash % RING_SIZE;
+	__u32 *real_pos;
+
+	if (hash != 0x358459b7 /* jhash of ipv4 packet */  &&
+	    hash != 0x2f4bc6bb /* jhash of ipv6 packet */)
+		return false;
+
+	real_pos = bpf_map_lookup_elem(&ch_rings, &key);
+	if (!real_pos)
+		return false;
+	key = *real_pos;
+	*real = bpf_map_lookup_elem(&reals, &key);
+	if (!(*real))
+		return false;
+	return true;
+}
+
+static __noinline int parse_icmpv6(void *data, void *data_end, __u64 off,
+				   struct packet_description *pckt)
+{
+	struct icmp6hdr *icmp_hdr;
+	struct ipv6hdr *ip6h;
+
+	icmp_hdr = data + off;
+	if (icmp_hdr + 1 > data_end)
+		return TC_ACT_SHOT;
+	if (icmp_hdr->icmp6_type != ICMPV6_PKT_TOOBIG)
+		return TC_ACT_OK;
+	off += sizeof(struct icmp6hdr);
+	ip6h = data + off;
+	if (ip6h + 1 > data_end)
+		return TC_ACT_SHOT;
+	pckt->proto = ip6h->nexthdr;
+	pckt->flags |= F_ICMP;
+	memcpy(pckt->srcv6, ip6h->daddr.s6_addr32, 16);
+	memcpy(pckt->dstv6, ip6h->saddr.s6_addr32, 16);
+	return TC_ACT_UNSPEC;
+}
+
+static __noinline int parse_icmp(void *data, void *data_end, __u64 off,
+				 struct packet_description *pckt)
+{
+	struct icmphdr *icmp_hdr;
+	struct iphdr *iph;
+
+	icmp_hdr = data + off;
+	if (icmp_hdr + 1 > data_end)
+		return TC_ACT_SHOT;
+	if (icmp_hdr->type != ICMP_DEST_UNREACH ||
+	    icmp_hdr->code != ICMP_FRAG_NEEDED)
+		return TC_ACT_OK;
+	off += sizeof(struct icmphdr);
+	iph = data + off;
+	if (iph + 1 > data_end)
+		return TC_ACT_SHOT;
+	if (iph->ihl != 5)
+		return TC_ACT_SHOT;
+	pckt->proto = iph->protocol;
+	pckt->flags |= F_ICMP;
+	pckt->src = iph->daddr;
+	pckt->dst = iph->saddr;
+	return TC_ACT_UNSPEC;
+}
+
+static __noinline bool parse_udp(void *data, __u64 off, void *data_end,
+				 struct packet_description *pckt)
+{
+	struct udphdr *udp;
+	udp = data + off;
+
+	if (udp + 1 > data_end)
+		return false;
+
+	if (!(pckt->flags & F_ICMP)) {
+		pckt->port16[0] = udp->source;
+		pckt->port16[1] = udp->dest;
+	} else {
+		pckt->port16[0] = udp->dest;
+		pckt->port16[1] = udp->source;
+	}
+	return true;
+}
+
+static __noinline bool parse_tcp(void *data, __u64 off, void *data_end,
+				 struct packet_description *pckt)
+{
+	struct tcphdr *tcp;
+
+	tcp = data + off;
+	if (tcp + 1 > data_end)
+		return false;
+
+	if (tcp->syn)
+		pckt->flags |= F_SYN_SET;
+
+	if (!(pckt->flags & F_ICMP)) {
+		pckt->port16[0] = tcp->source;
+		pckt->port16[1] = tcp->dest;
+	} else {
+		pckt->port16[0] = tcp->dest;
+		pckt->port16[1] = tcp->source;
+	}
+	return true;
+}
+
+static __noinline int process_packet(void *data, __u64 off, void *data_end,
+				     bool is_ipv6, struct __sk_buff *skb)
+{
+	void *pkt_start = (void *)(long)skb->data;
+	struct packet_description pckt = {};
+	struct eth_hdr *eth = pkt_start;
+	struct bpf_tunnel_key tkey = {};
+	struct vip_stats *data_stats;
+	struct real_definition *dst;
+	struct vip_meta *vip_info;
+	struct ctl_value *cval;
+	__u32 v4_intf_pos = 1;
+	__u32 v6_intf_pos = 2;
+	struct ipv6hdr *ip6h;
+	struct vip vip = {};
+	struct iphdr *iph;
+	int tun_flag = 0;
+	__u16 pkt_bytes;
+	__u64 iph_len;
+	__u32 ifindex;
+	__u8 protocol;
+	__u32 vip_num;
+	int action;
+
+	tkey.tunnel_ttl = 64;
+	if (is_ipv6) {
+		ip6h = data + off;
+		if (ip6h + 1 > data_end)
+			return TC_ACT_SHOT;
+
+		iph_len = sizeof(struct ipv6hdr);
+		protocol = ip6h->nexthdr;
+		pckt.proto = protocol;
+		pkt_bytes = bpf_ntohs(ip6h->payload_len);
+		off += iph_len;
+		if (protocol == IPPROTO_FRAGMENT) {
+			return TC_ACT_SHOT;
+		} else if (protocol == IPPROTO_ICMPV6) {
+			action = parse_icmpv6(data, data_end, off, &pckt);
+			if (action >= 0)
+				return action;
+			off += IPV6_PLUS_ICMP_HDR;
+		} else {
+			memcpy(pckt.srcv6, ip6h->saddr.s6_addr32, 16);
+			memcpy(pckt.dstv6, ip6h->daddr.s6_addr32, 16);
+		}
+	} else {
+		iph = data + off;
+		if (iph + 1 > data_end)
+			return TC_ACT_SHOT;
+		if (iph->ihl != 5)
+			return TC_ACT_SHOT;
+
+		protocol = iph->protocol;
+		pckt.proto = protocol;
+		pkt_bytes = bpf_ntohs(iph->tot_len);
+		off += IPV4_HDR_LEN_NO_OPT;
+
+		if (iph->frag_off & PCKT_FRAGMENTED)
+			return TC_ACT_SHOT;
+		if (protocol == IPPROTO_ICMP) {
+			action = parse_icmp(data, data_end, off, &pckt);
+			if (action >= 0)
+				return action;
+			off += IPV4_PLUS_ICMP_HDR;
+		} else {
+			pckt.src = iph->saddr;
+			pckt.dst = iph->daddr;
+		}
+	}
+	protocol = pckt.proto;
+
+	if (protocol == IPPROTO_TCP) {
+		if (!parse_tcp(data, off, data_end, &pckt))
+			return TC_ACT_SHOT;
+	} else if (protocol == IPPROTO_UDP) {
+		if (!parse_udp(data, off, data_end, &pckt))
+			return TC_ACT_SHOT;
+	} else {
+		return TC_ACT_SHOT;
+	}
+
+	if (is_ipv6)
+		memcpy(vip.daddr.v6, pckt.dstv6, 16);
+	else
+		vip.daddr.v4 = pckt.dst;
+
+	vip.dport = pckt.port16[1];
+	vip.protocol = pckt.proto;
+	vip_info = bpf_map_lookup_elem(&vip_map, &vip);
+	if (!vip_info) {
+		vip.dport = 0;
+		vip_info = bpf_map_lookup_elem(&vip_map, &vip);
+		if (!vip_info)
+			return TC_ACT_SHOT;
+		pckt.port16[1] = 0;
+	}
+
+	if (vip_info->flags & F_HASH_NO_SRC_PORT)
+		pckt.port16[0] = 0;
+
+	if (!get_packet_dst(&dst, &pckt, vip_info, is_ipv6))
+		return TC_ACT_SHOT;
+
+	if (dst->flags & F_IPV6) {
+		cval = bpf_map_lookup_elem(&ctl_array, &v6_intf_pos);
+		if (!cval)
+			return TC_ACT_SHOT;
+		ifindex = cval->ifindex;
+		memcpy(tkey.remote_ipv6, dst->dstv6, 16);
+		tun_flag = BPF_F_TUNINFO_IPV6;
+	} else {
+		cval = bpf_map_lookup_elem(&ctl_array, &v4_intf_pos);
+		if (!cval)
+			return TC_ACT_SHOT;
+		ifindex = cval->ifindex;
+		tkey.remote_ipv4 = dst->dst;
+	}
+	vip_num = vip_info->vip_num;
+	data_stats = bpf_map_lookup_elem(&stats, &vip_num);
+	if (!data_stats)
+		return TC_ACT_SHOT;
+	data_stats->pkts++;
+	data_stats->bytes += pkt_bytes;
+	bpf_skb_set_tunnel_key(skb, &tkey, sizeof(tkey), tun_flag);
+	*(u32 *)eth->eth_dest = tkey.remote_ipv4;
+	return bpf_redirect(ifindex, 0);
+}
+
+SEC("tc")
+int balancer_ingress(struct __sk_buff *ctx)
+{
+	void *data_end = (void *)(long)ctx->data_end;
+	void *data = (void *)(long)ctx->data;
+	struct eth_hdr *eth = data;
+	__u32 eth_proto;
+	__u32 nh_off;
+
+	nh_off = sizeof(struct eth_hdr);
+	if (data + nh_off > data_end)
+		return TC_ACT_SHOT;
+	eth_proto = eth->eth_proto;
+	if (eth_proto == bpf_htons(ETH_P_IP))
+		return process_packet(data, nh_off, data_end, false, ctx);
+	else if (eth_proto == bpf_htons(ETH_P_IPV6))
+		return process_packet(data, nh_off, data_end, true, ctx);
+	else
+		return TC_ACT_SHOT;
+}
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/test_legacy_printk.c b/tools/testing/selftests/bpf/progs/test_legacy_printk.c
new file mode 100644
index 000000000..64c2d9ced
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_legacy_printk.c
@@ -0,0 +1,73 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2021 Facebook */
+
+#include <linux/bpf.h>
+#define BPF_NO_GLOBAL_DATA
+#include <bpf/bpf_helpers.h>
+
+char LICENSE[] SEC("license") = "GPL";
+
+struct {
+	__uint(type, BPF_MAP_TYPE_ARRAY);
+	__type(key, int);
+	__type(value, int);
+	__uint(max_entries, 1);
+} my_pid_map SEC(".maps");
+
+struct {
+	__uint(type, BPF_MAP_TYPE_ARRAY);
+	__type(key, int);
+	__type(value, int);
+	__uint(max_entries, 1);
+} res_map SEC(".maps");
+
+volatile int my_pid_var = 0;
+volatile int res_var = 0;
+
+SEC("tp/raw_syscalls/sys_enter")
+int handle_legacy(void *ctx)
+{
+	int zero = 0, *my_pid, cur_pid, *my_res;
+
+	my_pid = bpf_map_lookup_elem(&my_pid_map, &zero);
+	if (!my_pid)
+		return 1;
+
+	cur_pid = bpf_get_current_pid_tgid() >> 32;
+	if (cur_pid != *my_pid)
+		return 1;
+
+	my_res = bpf_map_lookup_elem(&res_map, &zero);
+	if (!my_res)
+		return 1;
+
+	if (*my_res == 0)
+		/* use bpf_printk() in combination with BPF_NO_GLOBAL_DATA to
+		 * force .rodata.str1.1 section that previously caused
+		 * problems on old kernels due to libbpf always tried to
+		 * create a global data map for it
+		 */
+		bpf_printk("Legacy-case bpf_printk test, pid %d\n", cur_pid);
+	*my_res = 1;
+
+	return *my_res;
+}
+
+SEC("tp/raw_syscalls/sys_enter")
+int handle_modern(void *ctx)
+{
+	int zero = 0, cur_pid;
+
+	cur_pid = bpf_get_current_pid_tgid() >> 32;
+	if (cur_pid != my_pid_var)
+		return 1;
+
+	if (res_var == 0)
+		/* we need bpf_printk() to validate libbpf logic around unused
+		 * global maps and legacy kernels; see comment in handle_legacy()
+		 */
+		bpf_printk("Modern-case bpf_printk test, pid %d\n", cur_pid);
+	res_var = 1;
+
+	return res_var;
+}
diff --git a/tools/testing/selftests/bpf/progs/test_link_pinning.c b/tools/testing/selftests/bpf/progs/test_link_pinning.c
new file mode 100644
index 000000000..bbf2a5264
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_link_pinning.c
@@ -0,0 +1,25 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2020 Facebook */
+
+#include <stdbool.h>
+#include <linux/bpf.h>
+#include <bpf/bpf_helpers.h>
+
+int in = 0;
+int out = 0;
+
+SEC("raw_tp/sys_enter")
+int raw_tp_prog(const void *ctx)
+{
+	out = in;
+	return 0;
+}
+
+SEC("tp_btf/sys_enter")
+int tp_btf_prog(const void *ctx)
+{
+	out = in;
+	return 0;
+}
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/test_lirc_mode2_kern.c b/tools/testing/selftests/bpf/progs/test_lirc_mode2_kern.c
new file mode 100644
index 000000000..7a6620671
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_lirc_mode2_kern.c
@@ -0,0 +1,26 @@
+// SPDX-License-Identifier: GPL-2.0
+// test ir decoder
+//
+// Copyright (C) 2018 Sean Young <sean@mess.org>
+
+#include <linux/bpf.h>
+#include <linux/lirc.h>
+#include <bpf/bpf_helpers.h>
+
+SEC("lirc_mode2")
+int bpf_decoder(unsigned int *sample)
+{
+	if (LIRC_IS_PULSE(*sample)) {
+		unsigned int duration = LIRC_VALUE(*sample);
+
+		if (duration & 0x10000)
+			bpf_rc_keydown(sample, 0x40, duration & 0xffff, 0);
+		if (duration & 0x20000)
+			bpf_rc_pointer_rel(sample, (duration >> 8) & 0xff,
+					   duration & 0xff);
+	}
+
+	return 0;
+}
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/test_log_buf.c b/tools/testing/selftests/bpf/progs/test_log_buf.c
new file mode 100644
index 000000000..199f459bd
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_log_buf.c
@@ -0,0 +1,24 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2021 Facebook */
+
+#include <linux/bpf.h>
+#include <bpf/bpf_helpers.h>
+
+int a[4];
+const volatile int off = 4000;
+
+SEC("raw_tp/sys_enter")
+int good_prog(const void *ctx)
+{
+	a[0] = (int)(long)ctx;
+	return a[1];
+}
+
+SEC("raw_tp/sys_enter")
+int bad_prog(const void *ctx)
+{
+	/* out of bounds access */
+	return a[off];
+}
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/test_log_fixup.c b/tools/testing/selftests/bpf/progs/test_log_fixup.c
new file mode 100644
index 000000000..60450cb0e
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_log_fixup.c
@@ -0,0 +1,64 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2022 Meta Platforms, Inc. and affiliates. */
+
+#include <linux/bpf.h>
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_core_read.h>
+
+struct task_struct___bad {
+	int pid;
+	int fake_field;
+	void *fake_field_subprog;
+} __attribute__((preserve_access_index));
+
+SEC("?raw_tp/sys_enter")
+int bad_relo(const void *ctx)
+{
+	static struct task_struct___bad *t;
+
+	return bpf_core_field_size(t->fake_field);
+}
+
+static __noinline int bad_subprog(void)
+{
+	static struct task_struct___bad *t;
+
+	/* ugliness below is a field offset relocation */
+	return (void *)&t->fake_field_subprog - (void *)t;
+}
+
+SEC("?raw_tp/sys_enter")
+int bad_relo_subprog(const void *ctx)
+{
+	static struct task_struct___bad *t;
+
+	return bad_subprog() + bpf_core_field_size(t->pid);
+}
+
+struct {
+	__uint(type, BPF_MAP_TYPE_ARRAY);
+	__uint(max_entries, 1);
+	__type(key, int);
+	__type(value, int);
+} existing_map SEC(".maps");
+
+struct {
+	__uint(type, BPF_MAP_TYPE_ARRAY);
+	__uint(max_entries, 1);
+	__type(key, int);
+	__type(value, int);
+} missing_map SEC(".maps");
+
+SEC("?raw_tp/sys_enter")
+int use_missing_map(const void *ctx)
+{
+	int zero = 0, *value;
+
+	value = bpf_map_lookup_elem(&existing_map, &zero);
+
+	value = bpf_map_lookup_elem(&missing_map, &zero);
+
+	return value != NULL;
+}
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/test_lookup_and_delete.c b/tools/testing/selftests/bpf/progs/test_lookup_and_delete.c
new file mode 100644
index 000000000..3a193f42c
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_lookup_and_delete.c
@@ -0,0 +1,26 @@
+// SPDX-License-Identifier: GPL-2.0
+
+#include "vmlinux.h"
+#include <bpf/bpf_helpers.h>
+
+__u32 set_pid = 0;
+__u64 set_key = 0;
+__u64 set_value = 0;
+
+struct {
+	__uint(type, BPF_MAP_TYPE_HASH);
+	__uint(max_entries, 2);
+	__type(key, __u64);
+	__type(value, __u64);
+} hash_map SEC(".maps");
+
+SEC("tp/syscalls/sys_enter_getpgid")
+int bpf_lookup_and_delete_test(const void *ctx)
+{
+	if (set_pid == bpf_get_current_pid_tgid() >> 32)
+		bpf_map_update_elem(&hash_map, &set_key, &set_value, BPF_NOEXIST);
+
+	return 0;
+}
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/test_lookup_key.c b/tools/testing/selftests/bpf/progs/test_lookup_key.c
new file mode 100644
index 000000000..c73776990
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_lookup_key.c
@@ -0,0 +1,46 @@
+// SPDX-License-Identifier: GPL-2.0
+
+/*
+ * Copyright (C) 2022 Huawei Technologies Duesseldorf GmbH
+ *
+ * Author: Roberto Sassu <roberto.sassu@huawei.com>
+ */
+
+#include "vmlinux.h"
+#include <errno.h>
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_tracing.h>
+
+char _license[] SEC("license") = "GPL";
+
+__u32 monitored_pid;
+__u32 key_serial;
+__u32 key_id;
+__u64 flags;
+
+extern struct bpf_key *bpf_lookup_user_key(__u32 serial, __u64 flags) __ksym;
+extern struct bpf_key *bpf_lookup_system_key(__u64 id) __ksym;
+extern void bpf_key_put(struct bpf_key *key) __ksym;
+
+SEC("lsm.s/bpf")
+int BPF_PROG(bpf, int cmd, union bpf_attr *attr, unsigned int size)
+{
+	struct bpf_key *bkey;
+	__u32 pid;
+
+	pid = bpf_get_current_pid_tgid() >> 32;
+	if (pid != monitored_pid)
+		return 0;
+
+	if (key_serial)
+		bkey = bpf_lookup_user_key(key_serial, flags);
+	else
+		bkey = bpf_lookup_system_key(key_id);
+
+	if (!bkey)
+		return -ENOENT;
+
+	bpf_key_put(bkey);
+
+	return 0;
+}
diff --git a/tools/testing/selftests/bpf/progs/test_lwt_ip_encap.c b/tools/testing/selftests/bpf/progs/test_lwt_ip_encap.c
new file mode 100644
index 000000000..d6cb986e7
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_lwt_ip_encap.c
@@ -0,0 +1,85 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <stddef.h>
+#include <string.h>
+#include <linux/bpf.h>
+#include <linux/ip.h>
+#include <linux/ipv6.h>
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_endian.h>
+
+struct grehdr {
+	__be16 flags;
+	__be16 protocol;
+};
+
+SEC("encap_gre")
+int bpf_lwt_encap_gre(struct __sk_buff *skb)
+{
+	struct encap_hdr {
+		struct iphdr iph;
+		struct grehdr greh;
+	} hdr;
+	int err;
+
+	memset(&hdr, 0, sizeof(struct encap_hdr));
+
+	hdr.iph.ihl = 5;
+	hdr.iph.version = 4;
+	hdr.iph.ttl = 0x40;
+	hdr.iph.protocol = 47;  /* IPPROTO_GRE */
+#if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
+	hdr.iph.saddr = 0x640110ac;  /* 172.16.1.100 */
+	hdr.iph.daddr = 0x641010ac;  /* 172.16.16.100 */
+#elif __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
+	hdr.iph.saddr = 0xac100164;  /* 172.16.1.100 */
+	hdr.iph.daddr = 0xac101064;  /* 172.16.16.100 */
+#else
+#error "Fix your compiler's __BYTE_ORDER__?!"
+#endif
+	hdr.iph.tot_len = bpf_htons(skb->len + sizeof(struct encap_hdr));
+
+	hdr.greh.protocol = skb->protocol;
+
+	err = bpf_lwt_push_encap(skb, BPF_LWT_ENCAP_IP, &hdr,
+				 sizeof(struct encap_hdr));
+	if (err)
+		return BPF_DROP;
+
+	return BPF_LWT_REROUTE;
+}
+
+SEC("encap_gre6")
+int bpf_lwt_encap_gre6(struct __sk_buff *skb)
+{
+	struct encap_hdr {
+		struct ipv6hdr ip6hdr;
+		struct grehdr greh;
+	} hdr;
+	int err;
+
+	memset(&hdr, 0, sizeof(struct encap_hdr));
+
+	hdr.ip6hdr.version = 6;
+	hdr.ip6hdr.payload_len = bpf_htons(skb->len + sizeof(struct grehdr));
+	hdr.ip6hdr.nexthdr = 47;  /* IPPROTO_GRE */
+	hdr.ip6hdr.hop_limit = 0x40;
+	/* fb01::1 */
+	hdr.ip6hdr.saddr.s6_addr[0] = 0xfb;
+	hdr.ip6hdr.saddr.s6_addr[1] = 1;
+	hdr.ip6hdr.saddr.s6_addr[15] = 1;
+	/* fb10::1 */
+	hdr.ip6hdr.daddr.s6_addr[0] = 0xfb;
+	hdr.ip6hdr.daddr.s6_addr[1] = 0x10;
+	hdr.ip6hdr.daddr.s6_addr[15] = 1;
+
+	hdr.greh.protocol = skb->protocol;
+
+	err = bpf_lwt_push_encap(skb, BPF_LWT_ENCAP_IP, &hdr,
+				 sizeof(struct encap_hdr));
+	if (err)
+		return BPF_DROP;
+
+	return BPF_LWT_REROUTE;
+}
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/test_lwt_seg6local.c b/tools/testing/selftests/bpf/progs/test_lwt_seg6local.c
new file mode 100644
index 000000000..48ff2b2ad
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_lwt_seg6local.c
@@ -0,0 +1,426 @@
+#include <stddef.h>
+#include <inttypes.h>
+#include <errno.h>
+#include <linux/seg6_local.h>
+#include <linux/bpf.h>
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_endian.h>
+
+/* Packet parsing state machine helpers. */
+#define cursor_advance(_cursor, _len) \
+	({ void *_tmp = _cursor; _cursor += _len; _tmp; })
+
+#define SR6_FLAG_ALERT (1 << 4)
+
+#define BPF_PACKET_HEADER __attribute__((packed))
+
+struct ip6_t {
+	unsigned int ver:4;
+	unsigned int priority:8;
+	unsigned int flow_label:20;
+	unsigned short payload_len;
+	unsigned char next_header;
+	unsigned char hop_limit;
+	unsigned long long src_hi;
+	unsigned long long src_lo;
+	unsigned long long dst_hi;
+	unsigned long long dst_lo;
+} BPF_PACKET_HEADER;
+
+struct ip6_addr_t {
+	unsigned long long hi;
+	unsigned long long lo;
+} BPF_PACKET_HEADER;
+
+struct ip6_srh_t {
+	unsigned char nexthdr;
+	unsigned char hdrlen;
+	unsigned char type;
+	unsigned char segments_left;
+	unsigned char first_segment;
+	unsigned char flags;
+	unsigned short tag;
+
+	struct ip6_addr_t segments[0];
+} BPF_PACKET_HEADER;
+
+struct sr6_tlv_t {
+	unsigned char type;
+	unsigned char len;
+	unsigned char value[0];
+} BPF_PACKET_HEADER;
+
+static __always_inline struct ip6_srh_t *get_srh(struct __sk_buff *skb)
+{
+	void *cursor, *data_end;
+	struct ip6_srh_t *srh;
+	struct ip6_t *ip;
+	uint8_t *ipver;
+
+	data_end = (void *)(long)skb->data_end;
+	cursor = (void *)(long)skb->data;
+	ipver = (uint8_t *)cursor;
+
+	if ((void *)ipver + sizeof(*ipver) > data_end)
+		return NULL;
+
+	if ((*ipver >> 4) != 6)
+		return NULL;
+
+	ip = cursor_advance(cursor, sizeof(*ip));
+	if ((void *)ip + sizeof(*ip) > data_end)
+		return NULL;
+
+	if (ip->next_header != 43)
+		return NULL;
+
+	srh = cursor_advance(cursor, sizeof(*srh));
+	if ((void *)srh + sizeof(*srh) > data_end)
+		return NULL;
+
+	if (srh->type != 4)
+		return NULL;
+
+	return srh;
+}
+
+static __always_inline
+int update_tlv_pad(struct __sk_buff *skb, uint32_t new_pad,
+		   uint32_t old_pad, uint32_t pad_off)
+{
+	int err;
+
+	if (new_pad != old_pad) {
+		err = bpf_lwt_seg6_adjust_srh(skb, pad_off,
+					  (int) new_pad - (int) old_pad);
+		if (err)
+			return err;
+	}
+
+	if (new_pad > 0) {
+		char pad_tlv_buf[16] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+					0, 0, 0};
+		struct sr6_tlv_t *pad_tlv = (struct sr6_tlv_t *) pad_tlv_buf;
+
+		pad_tlv->type = SR6_TLV_PADDING;
+		pad_tlv->len = new_pad - 2;
+
+		err = bpf_lwt_seg6_store_bytes(skb, pad_off,
+					       (void *)pad_tlv_buf, new_pad);
+		if (err)
+			return err;
+	}
+
+	return 0;
+}
+
+static __always_inline
+int is_valid_tlv_boundary(struct __sk_buff *skb, struct ip6_srh_t *srh,
+			  uint32_t *tlv_off, uint32_t *pad_size,
+			  uint32_t *pad_off)
+{
+	uint32_t srh_off, cur_off;
+	int offset_valid = 0;
+	int err;
+
+	srh_off = (char *)srh - (char *)(long)skb->data;
+	// cur_off = end of segments, start of possible TLVs
+	cur_off = srh_off + sizeof(*srh) +
+		sizeof(struct ip6_addr_t) * (srh->first_segment + 1);
+
+	*pad_off = 0;
+
+	// we can only go as far as ~10 TLVs due to the BPF max stack size
+	#pragma clang loop unroll(full)
+	for (int i = 0; i < 10; i++) {
+		struct sr6_tlv_t tlv;
+
+		if (cur_off == *tlv_off)
+			offset_valid = 1;
+
+		if (cur_off >= srh_off + ((srh->hdrlen + 1) << 3))
+			break;
+
+		err = bpf_skb_load_bytes(skb, cur_off, &tlv, sizeof(tlv));
+		if (err)
+			return err;
+
+		if (tlv.type == SR6_TLV_PADDING) {
+			*pad_size = tlv.len + sizeof(tlv);
+			*pad_off = cur_off;
+
+			if (*tlv_off == srh_off) {
+				*tlv_off = cur_off;
+				offset_valid = 1;
+			}
+			break;
+
+		} else if (tlv.type == SR6_TLV_HMAC) {
+			break;
+		}
+
+		cur_off += sizeof(tlv) + tlv.len;
+	} // we reached the padding or HMAC TLVs, or the end of the SRH
+
+	if (*pad_off == 0)
+		*pad_off = cur_off;
+
+	if (*tlv_off == -1)
+		*tlv_off = cur_off;
+	else if (!offset_valid)
+		return -EINVAL;
+
+	return 0;
+}
+
+static __always_inline
+int add_tlv(struct __sk_buff *skb, struct ip6_srh_t *srh, uint32_t tlv_off,
+	    struct sr6_tlv_t *itlv, uint8_t tlv_size)
+{
+	uint32_t srh_off = (char *)srh - (char *)(long)skb->data;
+	uint8_t len_remaining, new_pad;
+	uint32_t pad_off = 0;
+	uint32_t pad_size = 0;
+	uint32_t partial_srh_len;
+	int err;
+
+	if (tlv_off != -1)
+		tlv_off += srh_off;
+
+	if (itlv->type == SR6_TLV_PADDING || itlv->type == SR6_TLV_HMAC)
+		return -EINVAL;
+
+	err = is_valid_tlv_boundary(skb, srh, &tlv_off, &pad_size, &pad_off);
+	if (err)
+		return err;
+
+	err = bpf_lwt_seg6_adjust_srh(skb, tlv_off, sizeof(*itlv) + itlv->len);
+	if (err)
+		return err;
+
+	err = bpf_lwt_seg6_store_bytes(skb, tlv_off, (void *)itlv, tlv_size);
+	if (err)
+		return err;
+
+	// the following can't be moved inside update_tlv_pad because the
+	// bpf verifier has some issues with it
+	pad_off += sizeof(*itlv) + itlv->len;
+	partial_srh_len = pad_off - srh_off;
+	len_remaining = partial_srh_len % 8;
+	new_pad = 8 - len_remaining;
+
+	if (new_pad == 1) // cannot pad for 1 byte only
+		new_pad = 9;
+	else if (new_pad == 8)
+		new_pad = 0;
+
+	return update_tlv_pad(skb, new_pad, pad_size, pad_off);
+}
+
+static __always_inline
+int delete_tlv(struct __sk_buff *skb, struct ip6_srh_t *srh,
+	       uint32_t tlv_off)
+{
+	uint32_t srh_off = (char *)srh - (char *)(long)skb->data;
+	uint8_t len_remaining, new_pad;
+	uint32_t partial_srh_len;
+	uint32_t pad_off = 0;
+	uint32_t pad_size = 0;
+	struct sr6_tlv_t tlv;
+	int err;
+
+	tlv_off += srh_off;
+
+	err = is_valid_tlv_boundary(skb, srh, &tlv_off, &pad_size, &pad_off);
+	if (err)
+		return err;
+
+	err = bpf_skb_load_bytes(skb, tlv_off, &tlv, sizeof(tlv));
+	if (err)
+		return err;
+
+	err = bpf_lwt_seg6_adjust_srh(skb, tlv_off, -(sizeof(tlv) + tlv.len));
+	if (err)
+		return err;
+
+	pad_off -= sizeof(tlv) + tlv.len;
+	partial_srh_len = pad_off - srh_off;
+	len_remaining = partial_srh_len % 8;
+	new_pad = 8 - len_remaining;
+	if (new_pad == 1) // cannot pad for 1 byte only
+		new_pad = 9;
+	else if (new_pad == 8)
+		new_pad = 0;
+
+	return update_tlv_pad(skb, new_pad, pad_size, pad_off);
+}
+
+static __always_inline
+int has_egr_tlv(struct __sk_buff *skb, struct ip6_srh_t *srh)
+{
+	int tlv_offset = sizeof(struct ip6_t) + sizeof(struct ip6_srh_t) +
+		((srh->first_segment + 1) << 4);
+	struct sr6_tlv_t tlv;
+
+	if (bpf_skb_load_bytes(skb, tlv_offset, &tlv, sizeof(struct sr6_tlv_t)))
+		return 0;
+
+	if (tlv.type == SR6_TLV_EGRESS && tlv.len == 18) {
+		struct ip6_addr_t egr_addr;
+
+		if (bpf_skb_load_bytes(skb, tlv_offset + 4, &egr_addr, 16))
+			return 0;
+
+		// check if egress TLV value is correct
+		if (bpf_be64_to_cpu(egr_addr.hi) == 0xfd00000000000000 &&
+		    bpf_be64_to_cpu(egr_addr.lo) == 0x4)
+			return 1;
+	}
+
+	return 0;
+}
+
+// This function will push a SRH with segments fd00::1, fd00::2, fd00::3,
+// fd00::4
+SEC("encap_srh")
+int __encap_srh(struct __sk_buff *skb)
+{
+	unsigned long long hi = 0xfd00000000000000;
+	struct ip6_addr_t *seg;
+	struct ip6_srh_t *srh;
+	char srh_buf[72]; // room for 4 segments
+	int err;
+
+	srh = (struct ip6_srh_t *)srh_buf;
+	srh->nexthdr = 0;
+	srh->hdrlen = 8;
+	srh->type = 4;
+	srh->segments_left = 3;
+	srh->first_segment = 3;
+	srh->flags = 0;
+	srh->tag = 0;
+
+	seg = (struct ip6_addr_t *)((char *)srh + sizeof(*srh));
+
+	#pragma clang loop unroll(full)
+	for (unsigned long long lo = 0; lo < 4; lo++) {
+		seg->lo = bpf_cpu_to_be64(4 - lo);
+		seg->hi = bpf_cpu_to_be64(hi);
+		seg = (struct ip6_addr_t *)((char *)seg + sizeof(*seg));
+	}
+
+	err = bpf_lwt_push_encap(skb, 0, (void *)srh, sizeof(srh_buf));
+	if (err)
+		return BPF_DROP;
+
+	return BPF_REDIRECT;
+}
+
+// Add an Egress TLV fc00::4, add the flag A,
+// and apply End.X action to fc42::1
+SEC("add_egr_x")
+int __add_egr_x(struct __sk_buff *skb)
+{
+	unsigned long long hi = 0xfc42000000000000;
+	unsigned long long lo = 0x1;
+	struct ip6_srh_t *srh = get_srh(skb);
+	uint8_t new_flags = SR6_FLAG_ALERT;
+	struct ip6_addr_t addr;
+	int err, offset;
+
+	if (srh == NULL)
+		return BPF_DROP;
+
+	uint8_t tlv[20] = {2, 18, 0, 0, 0xfd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
+			   0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4};
+
+	err = add_tlv(skb, srh, (srh->hdrlen+1) << 3,
+		      (struct sr6_tlv_t *)&tlv, 20);
+	if (err)
+		return BPF_DROP;
+
+	offset = sizeof(struct ip6_t) + offsetof(struct ip6_srh_t, flags);
+	err = bpf_lwt_seg6_store_bytes(skb, offset,
+				       (void *)&new_flags, sizeof(new_flags));
+	if (err)
+		return BPF_DROP;
+
+	addr.lo = bpf_cpu_to_be64(lo);
+	addr.hi = bpf_cpu_to_be64(hi);
+	err = bpf_lwt_seg6_action(skb, SEG6_LOCAL_ACTION_END_X,
+				  (void *)&addr, sizeof(addr));
+	if (err)
+		return BPF_DROP;
+	return BPF_REDIRECT;
+}
+
+// Pop the Egress TLV, reset the flags, change the tag 2442 and finally do a
+// simple End action
+SEC("pop_egr")
+int __pop_egr(struct __sk_buff *skb)
+{
+	struct ip6_srh_t *srh = get_srh(skb);
+	uint16_t new_tag = bpf_htons(2442);
+	uint8_t new_flags = 0;
+	int err, offset;
+
+	if (srh == NULL)
+		return BPF_DROP;
+
+	if (srh->flags != SR6_FLAG_ALERT)
+		return BPF_DROP;
+
+	if (srh->hdrlen != 11) // 4 segments + Egress TLV + Padding TLV
+		return BPF_DROP;
+
+	if (!has_egr_tlv(skb, srh))
+		return BPF_DROP;
+
+	err = delete_tlv(skb, srh, 8 + (srh->first_segment + 1) * 16);
+	if (err)
+		return BPF_DROP;
+
+	offset = sizeof(struct ip6_t) + offsetof(struct ip6_srh_t, flags);
+	if (bpf_lwt_seg6_store_bytes(skb, offset, (void *)&new_flags,
+				     sizeof(new_flags)))
+		return BPF_DROP;
+
+	offset = sizeof(struct ip6_t) + offsetof(struct ip6_srh_t, tag);
+	if (bpf_lwt_seg6_store_bytes(skb, offset, (void *)&new_tag,
+				     sizeof(new_tag)))
+		return BPF_DROP;
+
+	return BPF_OK;
+}
+
+// Inspect if the Egress TLV and flag have been removed, if the tag is correct,
+// then apply a End.T action to reach the last segment
+SEC("inspect_t")
+int __inspect_t(struct __sk_buff *skb)
+{
+	struct ip6_srh_t *srh = get_srh(skb);
+	int table = 117;
+	int err;
+
+	if (srh == NULL)
+		return BPF_DROP;
+
+	if (srh->flags != 0)
+		return BPF_DROP;
+
+	if (srh->tag != bpf_htons(2442))
+		return BPF_DROP;
+
+	if (srh->hdrlen != 8) // 4 segments
+		return BPF_DROP;
+
+	err = bpf_lwt_seg6_action(skb, SEG6_LOCAL_ACTION_END_T,
+				  (void *)&table, sizeof(table));
+
+	if (err)
+		return BPF_DROP;
+
+	return BPF_REDIRECT;
+}
+
+char __license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/test_map_in_map.c b/tools/testing/selftests/bpf/progs/test_map_in_map.c
new file mode 100644
index 000000000..f416032ba
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_map_in_map.c
@@ -0,0 +1,50 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2018 Facebook */
+#include <stddef.h>
+#include <linux/bpf.h>
+#include <linux/types.h>
+#include <bpf/bpf_helpers.h>
+
+struct {
+	__uint(type, BPF_MAP_TYPE_ARRAY_OF_MAPS);
+	__uint(max_entries, 1);
+	__uint(map_flags, 0);
+	__type(key, __u32);
+	__type(value, __u32);
+} mim_array SEC(".maps");
+
+struct {
+	__uint(type, BPF_MAP_TYPE_HASH_OF_MAPS);
+	__uint(max_entries, 1);
+	__uint(map_flags, 0);
+	__type(key, int);
+	__type(value, __u32);
+} mim_hash SEC(".maps");
+
+SEC("xdp")
+int xdp_mimtest0(struct xdp_md *ctx)
+{
+	int value = 123;
+	int *value_p;
+	int key = 0;
+	void *map;
+
+	map = bpf_map_lookup_elem(&mim_array, &key);
+	if (!map)
+		return XDP_DROP;
+
+	bpf_map_update_elem(map, &key, &value, 0);
+	value_p = bpf_map_lookup_elem(map, &key);
+	if (!value_p || *value_p != 123)
+		return XDP_DROP;
+
+	map = bpf_map_lookup_elem(&mim_hash, &key);
+	if (!map)
+		return XDP_DROP;
+
+	bpf_map_update_elem(map, &key, &value, 0);
+
+	return XDP_PASS;
+}
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/test_map_in_map_invalid.c b/tools/testing/selftests/bpf/progs/test_map_in_map_invalid.c
new file mode 100644
index 000000000..9c7d75cf0
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_map_in_map_invalid.c
@@ -0,0 +1,26 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2021 Isovalent, Inc. */
+#include <linux/bpf.h>
+#include <bpf/bpf_helpers.h>
+
+struct inner {
+	__uint(type, BPF_MAP_TYPE_ARRAY);
+	__type(key, __u32);
+	__type(value, int);
+	__uint(max_entries, 4);
+};
+
+struct {
+	__uint(type, BPF_MAP_TYPE_ARRAY_OF_MAPS);
+	__uint(max_entries, 0); /* This will make map creation to fail */
+	__type(key, __u32);
+	__array(values, struct inner);
+} mim SEC(".maps");
+
+SEC("xdp")
+int xdp_noop0(struct xdp_md *ctx)
+{
+	return XDP_PASS;
+}
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/test_map_init.c b/tools/testing/selftests/bpf/progs/test_map_init.c
new file mode 100644
index 000000000..c89d28ead
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_map_init.c
@@ -0,0 +1,33 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2020 Tessares SA <http://www.tessares.net> */
+
+#include "vmlinux.h"
+#include <bpf/bpf_helpers.h>
+
+__u64 inKey = 0;
+__u64 inValue = 0;
+__u32 inPid = 0;
+
+struct {
+	__uint(type, BPF_MAP_TYPE_PERCPU_HASH);
+	__uint(max_entries, 2);
+	__type(key, __u64);
+	__type(value, __u64);
+} hashmap1 SEC(".maps");
+
+
+SEC("tp/syscalls/sys_enter_getpgid")
+int sysenter_getpgid(const void *ctx)
+{
+	/* Just do it for once, when called from our own test prog. This
+	 * ensures the map value is only updated for a single CPU.
+	 */
+	int cur_pid = bpf_get_current_pid_tgid() >> 32;
+
+	if (cur_pid == inPid)
+		bpf_map_update_elem(&hashmap1, &inKey, &inValue, BPF_NOEXIST);
+
+	return 0;
+}
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/test_map_lock.c b/tools/testing/selftests/bpf/progs/test_map_lock.c
new file mode 100644
index 000000000..acf073db9
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_map_lock.c
@@ -0,0 +1,62 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (c) 2019 Facebook
+#include <linux/bpf.h>
+#include <linux/version.h>
+#include <bpf/bpf_helpers.h>
+
+#define VAR_NUM 16
+
+struct hmap_elem {
+	struct bpf_spin_lock lock;
+	int var[VAR_NUM];
+};
+
+struct {
+	__uint(type, BPF_MAP_TYPE_HASH);
+	__uint(max_entries, 1);
+	__type(key, __u32);
+	__type(value, struct hmap_elem);
+} hash_map SEC(".maps");
+
+struct array_elem {
+	struct bpf_spin_lock lock;
+	int var[VAR_NUM];
+};
+
+struct {
+	__uint(type, BPF_MAP_TYPE_ARRAY);
+	__uint(max_entries, 1);
+	__type(key, int);
+	__type(value, struct array_elem);
+} array_map SEC(".maps");
+
+SEC("cgroup/skb")
+int bpf_map_lock_test(struct __sk_buff *skb)
+{
+	struct hmap_elem zero = {}, *val;
+	int rnd = bpf_get_prandom_u32();
+	int key = 0, err = 1, i;
+	struct array_elem *q;
+
+	val = bpf_map_lookup_elem(&hash_map, &key);
+	if (!val)
+		goto err;
+	/* spin_lock in hash map */
+	bpf_spin_lock(&val->lock);
+	for (i = 0; i < VAR_NUM; i++)
+		val->var[i] = rnd;
+	bpf_spin_unlock(&val->lock);
+
+	/* spin_lock in array */
+	q = bpf_map_lookup_elem(&array_map, &key);
+	if (!q)
+		goto err;
+	bpf_spin_lock(&q->lock);
+	for (i = 0; i < VAR_NUM; i++)
+		q->var[i] = rnd;
+	bpf_spin_unlock(&q->lock);
+	err = 0;
+err:
+	return err;
+}
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/test_map_lookup_percpu_elem.c b/tools/testing/selftests/bpf/progs/test_map_lookup_percpu_elem.c
new file mode 100644
index 000000000..ca827b109
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_map_lookup_percpu_elem.c
@@ -0,0 +1,76 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2022 Bytedance */
+
+#include "vmlinux.h"
+#include <bpf/bpf_helpers.h>
+
+__u64 percpu_array_elem_sum = 0;
+__u64 percpu_hash_elem_sum = 0;
+__u64 percpu_lru_hash_elem_sum = 0;
+const volatile int nr_cpus;
+const volatile int my_pid;
+
+struct {
+	__uint(type, BPF_MAP_TYPE_PERCPU_ARRAY);
+	__uint(max_entries, 1);
+	__type(key, __u32);
+	__type(value, __u64);
+} percpu_array_map SEC(".maps");
+
+struct {
+	__uint(type, BPF_MAP_TYPE_PERCPU_HASH);
+	__uint(max_entries, 1);
+	__type(key, __u64);
+	__type(value, __u64);
+} percpu_hash_map SEC(".maps");
+
+struct {
+	__uint(type, BPF_MAP_TYPE_LRU_PERCPU_HASH);
+	__uint(max_entries, 1);
+	__type(key, __u64);
+	__type(value, __u64);
+} percpu_lru_hash_map SEC(".maps");
+
+struct read_percpu_elem_ctx {
+	void *map;
+	__u64 sum;
+};
+
+static int read_percpu_elem_callback(__u32 index, struct read_percpu_elem_ctx *ctx)
+{
+	__u64 key = 0;
+	__u64 *value;
+
+	value = bpf_map_lookup_percpu_elem(ctx->map, &key, index);
+	if (value)
+		ctx->sum += *value;
+	return 0;
+}
+
+SEC("tp/syscalls/sys_enter_getuid")
+int sysenter_getuid(const void *ctx)
+{
+	struct read_percpu_elem_ctx map_ctx;
+
+	if (my_pid != (bpf_get_current_pid_tgid() >> 32))
+		return 0;
+
+	map_ctx.map = &percpu_array_map;
+	map_ctx.sum = 0;
+	bpf_loop(nr_cpus, read_percpu_elem_callback, &map_ctx, 0);
+	percpu_array_elem_sum = map_ctx.sum;
+
+	map_ctx.map = &percpu_hash_map;
+	map_ctx.sum = 0;
+	bpf_loop(nr_cpus, read_percpu_elem_callback, &map_ctx, 0);
+	percpu_hash_elem_sum = map_ctx.sum;
+
+	map_ctx.map = &percpu_lru_hash_map;
+	map_ctx.sum = 0;
+	bpf_loop(nr_cpus, read_percpu_elem_callback, &map_ctx, 0);
+	percpu_lru_hash_elem_sum = map_ctx.sum;
+
+	return 0;
+}
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/test_migrate_reuseport.c b/tools/testing/selftests/bpf/progs/test_migrate_reuseport.c
new file mode 100644
index 000000000..27df571ab
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_migrate_reuseport.c
@@ -0,0 +1,135 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Check if we can migrate child sockets.
+ *
+ *   1. If reuse_md->migrating_sk is NULL (SYN packet),
+ *        return SK_PASS without selecting a listener.
+ *   2. If reuse_md->migrating_sk is not NULL (socket migration),
+ *        select a listener (reuseport_map[migrate_map[cookie]])
+ *
+ * Author: Kuniyuki Iwashima <kuniyu@amazon.co.jp>
+ */
+
+#include <stddef.h>
+#include <string.h>
+#include <linux/bpf.h>
+#include <linux/if_ether.h>
+#include <linux/ip.h>
+#include <linux/ipv6.h>
+#include <linux/tcp.h>
+#include <linux/in.h>
+#include <bpf/bpf_endian.h>
+#include <bpf/bpf_helpers.h>
+
+struct {
+	__uint(type, BPF_MAP_TYPE_REUSEPORT_SOCKARRAY);
+	__uint(max_entries, 256);
+	__type(key, int);
+	__type(value, __u64);
+} reuseport_map SEC(".maps");
+
+struct {
+	__uint(type, BPF_MAP_TYPE_HASH);
+	__uint(max_entries, 256);
+	__type(key, __u64);
+	__type(value, int);
+} migrate_map SEC(".maps");
+
+int migrated_at_close = 0;
+int migrated_at_close_fastopen = 0;
+int migrated_at_send_synack = 0;
+int migrated_at_recv_ack = 0;
+__be16 server_port;
+
+SEC("xdp")
+int drop_ack(struct xdp_md *xdp)
+{
+	void *data_end = (void *)(long)xdp->data_end;
+	void *data = (void *)(long)xdp->data;
+	struct ethhdr *eth = data;
+	struct tcphdr *tcp = NULL;
+
+	if (eth + 1 > data_end)
+		goto pass;
+
+	switch (bpf_ntohs(eth->h_proto)) {
+	case ETH_P_IP: {
+		struct iphdr *ip = (struct iphdr *)(eth + 1);
+
+		if (ip + 1 > data_end)
+			goto pass;
+
+		if (ip->protocol != IPPROTO_TCP)
+			goto pass;
+
+		tcp = (struct tcphdr *)((void *)ip + ip->ihl * 4);
+		break;
+	}
+	case ETH_P_IPV6: {
+		struct ipv6hdr *ipv6 = (struct ipv6hdr *)(eth + 1);
+
+		if (ipv6 + 1 > data_end)
+			goto pass;
+
+		if (ipv6->nexthdr != IPPROTO_TCP)
+			goto pass;
+
+		tcp = (struct tcphdr *)(ipv6 + 1);
+		break;
+	}
+	default:
+		goto pass;
+	}
+
+	if (tcp + 1 > data_end)
+		goto pass;
+
+	if (tcp->dest != server_port)
+		goto pass;
+
+	if (!tcp->syn && tcp->ack)
+		return XDP_DROP;
+
+pass:
+	return XDP_PASS;
+}
+
+SEC("sk_reuseport/migrate")
+int migrate_reuseport(struct sk_reuseport_md *reuse_md)
+{
+	int *key, flags = 0, state, err;
+	__u64 cookie;
+
+	if (!reuse_md->migrating_sk)
+		return SK_PASS;
+
+	state = reuse_md->migrating_sk->state;
+	cookie = bpf_get_socket_cookie(reuse_md->sk);
+
+	key = bpf_map_lookup_elem(&migrate_map, &cookie);
+	if (!key)
+		return SK_DROP;
+
+	err = bpf_sk_select_reuseport(reuse_md, &reuseport_map, key, flags);
+	if (err)
+		return SK_PASS;
+
+	switch (state) {
+	case BPF_TCP_ESTABLISHED:
+		__sync_fetch_and_add(&migrated_at_close, 1);
+		break;
+	case BPF_TCP_SYN_RECV:
+		__sync_fetch_and_add(&migrated_at_close_fastopen, 1);
+		break;
+	case BPF_TCP_NEW_SYN_RECV:
+		if (!reuse_md->len)
+			__sync_fetch_and_add(&migrated_at_send_synack, 1);
+		else
+			__sync_fetch_and_add(&migrated_at_recv_ack, 1);
+		break;
+	}
+
+	return SK_PASS;
+}
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/test_misc_tcp_hdr_options.c b/tools/testing/selftests/bpf/progs/test_misc_tcp_hdr_options.c
new file mode 100644
index 000000000..2c121c5d6
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_misc_tcp_hdr_options.c
@@ -0,0 +1,325 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2020 Facebook */
+
+#include <stddef.h>
+#include <errno.h>
+#include <stdbool.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <linux/ipv6.h>
+#include <linux/tcp.h>
+#include <linux/socket.h>
+#include <linux/bpf.h>
+#include <linux/types.h>
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_endian.h>
+#define BPF_PROG_TEST_TCP_HDR_OPTIONS
+#include "test_tcp_hdr_options.h"
+
+__u16 last_addr16_n = __bpf_htons(1);
+__u16 active_lport_n = 0;
+__u16 active_lport_h = 0;
+__u16 passive_lport_n = 0;
+__u16 passive_lport_h = 0;
+
+/* options received at passive side */
+unsigned int nr_pure_ack = 0;
+unsigned int nr_data = 0;
+unsigned int nr_syn = 0;
+unsigned int nr_fin = 0;
+
+/* Check the header received from the active side */
+static int __check_active_hdr_in(struct bpf_sock_ops *skops, bool check_syn)
+{
+	union {
+		struct tcphdr th;
+		struct ipv6hdr ip6;
+		struct tcp_exprm_opt exprm_opt;
+		struct tcp_opt reg_opt;
+		__u8 data[100]; /* IPv6 (40) + Max TCP hdr (60) */
+	} hdr = {};
+	__u64 load_flags = check_syn ? BPF_LOAD_HDR_OPT_TCP_SYN : 0;
+	struct tcphdr *pth;
+	int ret;
+
+	hdr.reg_opt.kind = 0xB9;
+
+	/* The option is 4 bytes long instead of 2 bytes */
+	ret = bpf_load_hdr_opt(skops, &hdr.reg_opt, 2, load_flags);
+	if (ret != -ENOSPC)
+		RET_CG_ERR(ret);
+
+	/* Test searching magic with regular kind */
+	hdr.reg_opt.len = 4;
+	ret = bpf_load_hdr_opt(skops, &hdr.reg_opt, sizeof(hdr.reg_opt),
+			       load_flags);
+	if (ret != -EINVAL)
+		RET_CG_ERR(ret);
+
+	hdr.reg_opt.len = 0;
+	ret = bpf_load_hdr_opt(skops, &hdr.reg_opt, sizeof(hdr.reg_opt),
+			       load_flags);
+	if (ret != 4 || hdr.reg_opt.len != 4 || hdr.reg_opt.kind != 0xB9 ||
+	    hdr.reg_opt.data[0] != 0xfa || hdr.reg_opt.data[1] != 0xce)
+		RET_CG_ERR(ret);
+
+	/* Test searching experimental option with invalid kind length */
+	hdr.exprm_opt.kind = TCPOPT_EXP;
+	hdr.exprm_opt.len = 5;
+	hdr.exprm_opt.magic = 0;
+	ret = bpf_load_hdr_opt(skops, &hdr.exprm_opt, sizeof(hdr.exprm_opt),
+			       load_flags);
+	if (ret != -EINVAL)
+		RET_CG_ERR(ret);
+
+	/* Test searching experimental option with 0 magic value */
+	hdr.exprm_opt.len = 4;
+	ret = bpf_load_hdr_opt(skops, &hdr.exprm_opt, sizeof(hdr.exprm_opt),
+			       load_flags);
+	if (ret != -ENOMSG)
+		RET_CG_ERR(ret);
+
+	hdr.exprm_opt.magic = __bpf_htons(0xeB9F);
+	ret = bpf_load_hdr_opt(skops, &hdr.exprm_opt, sizeof(hdr.exprm_opt),
+			       load_flags);
+	if (ret != 4 || hdr.exprm_opt.len != 4 ||
+	    hdr.exprm_opt.kind != TCPOPT_EXP ||
+	    hdr.exprm_opt.magic != __bpf_htons(0xeB9F))
+		RET_CG_ERR(ret);
+
+	if (!check_syn)
+		return CG_OK;
+
+	/* Test loading from skops->syn_skb if sk_state == TCP_NEW_SYN_RECV
+	 *
+	 * Test loading from tp->saved_syn for other sk_state.
+	 */
+	ret = bpf_getsockopt(skops, SOL_TCP, TCP_BPF_SYN_IP, &hdr.ip6,
+			     sizeof(hdr.ip6));
+	if (ret != -ENOSPC)
+		RET_CG_ERR(ret);
+
+	if (hdr.ip6.saddr.s6_addr16[7] != last_addr16_n ||
+	    hdr.ip6.daddr.s6_addr16[7] != last_addr16_n)
+		RET_CG_ERR(0);
+
+	ret = bpf_getsockopt(skops, SOL_TCP, TCP_BPF_SYN_IP, &hdr, sizeof(hdr));
+	if (ret < 0)
+		RET_CG_ERR(ret);
+
+	pth = (struct tcphdr *)(&hdr.ip6 + 1);
+	if (pth->dest != passive_lport_n || pth->source != active_lport_n)
+		RET_CG_ERR(0);
+
+	ret = bpf_getsockopt(skops, SOL_TCP, TCP_BPF_SYN, &hdr, sizeof(hdr));
+	if (ret < 0)
+		RET_CG_ERR(ret);
+
+	if (hdr.th.dest != passive_lport_n || hdr.th.source != active_lport_n)
+		RET_CG_ERR(0);
+
+	return CG_OK;
+}
+
+static int check_active_syn_in(struct bpf_sock_ops *skops)
+{
+	return __check_active_hdr_in(skops, true);
+}
+
+static int check_active_hdr_in(struct bpf_sock_ops *skops)
+{
+	struct tcphdr *th;
+
+	if (__check_active_hdr_in(skops, false) == CG_ERR)
+		return CG_ERR;
+
+	th = skops->skb_data;
+	if (th + 1 > skops->skb_data_end)
+		RET_CG_ERR(0);
+
+	if (tcp_hdrlen(th) < skops->skb_len)
+		nr_data++;
+
+	if (th->fin)
+		nr_fin++;
+
+	if (th->ack && !th->fin && tcp_hdrlen(th) == skops->skb_len)
+		nr_pure_ack++;
+
+	return CG_OK;
+}
+
+static int active_opt_len(struct bpf_sock_ops *skops)
+{
+	int err;
+
+	/* Reserve more than enough to allow the -EEXIST test in
+	 * the write_active_opt().
+	 */
+	err = bpf_reserve_hdr_opt(skops, 12, 0);
+	if (err)
+		RET_CG_ERR(err);
+
+	return CG_OK;
+}
+
+static int write_active_opt(struct bpf_sock_ops *skops)
+{
+	struct tcp_exprm_opt exprm_opt = {};
+	struct tcp_opt win_scale_opt = {};
+	struct tcp_opt reg_opt = {};
+	struct tcphdr *th;
+	int err, ret;
+
+	exprm_opt.kind = TCPOPT_EXP;
+	exprm_opt.len = 4;
+	exprm_opt.magic = __bpf_htons(0xeB9F);
+
+	reg_opt.kind = 0xB9;
+	reg_opt.len = 4;
+	reg_opt.data[0] = 0xfa;
+	reg_opt.data[1] = 0xce;
+
+	win_scale_opt.kind = TCPOPT_WINDOW;
+
+	err = bpf_store_hdr_opt(skops, &exprm_opt, sizeof(exprm_opt), 0);
+	if (err)
+		RET_CG_ERR(err);
+
+	/* Store the same exprm option */
+	err = bpf_store_hdr_opt(skops, &exprm_opt, sizeof(exprm_opt), 0);
+	if (err != -EEXIST)
+		RET_CG_ERR(err);
+
+	err = bpf_store_hdr_opt(skops, &reg_opt, sizeof(reg_opt), 0);
+	if (err)
+		RET_CG_ERR(err);
+	err = bpf_store_hdr_opt(skops, &reg_opt, sizeof(reg_opt), 0);
+	if (err != -EEXIST)
+		RET_CG_ERR(err);
+
+	/* Check the option has been written and can be searched */
+	ret = bpf_load_hdr_opt(skops, &exprm_opt, sizeof(exprm_opt), 0);
+	if (ret != 4 || exprm_opt.len != 4 || exprm_opt.kind != TCPOPT_EXP ||
+	    exprm_opt.magic != __bpf_htons(0xeB9F))
+		RET_CG_ERR(ret);
+
+	reg_opt.len = 0;
+	ret = bpf_load_hdr_opt(skops, &reg_opt, sizeof(reg_opt), 0);
+	if (ret != 4 || reg_opt.len != 4 || reg_opt.kind != 0xB9 ||
+	    reg_opt.data[0] != 0xfa || reg_opt.data[1] != 0xce)
+		RET_CG_ERR(ret);
+
+	th = skops->skb_data;
+	if (th + 1 > skops->skb_data_end)
+		RET_CG_ERR(0);
+
+	if (th->syn) {
+		active_lport_h = skops->local_port;
+		active_lport_n = th->source;
+
+		/* Search the win scale option written by kernel
+		 * in the SYN packet.
+		 */
+		ret = bpf_load_hdr_opt(skops, &win_scale_opt,
+				       sizeof(win_scale_opt), 0);
+		if (ret != 3 || win_scale_opt.len != 3 ||
+		    win_scale_opt.kind != TCPOPT_WINDOW)
+			RET_CG_ERR(ret);
+
+		/* Write the win scale option that kernel
+		 * has already written.
+		 */
+		err = bpf_store_hdr_opt(skops, &win_scale_opt,
+					sizeof(win_scale_opt), 0);
+		if (err != -EEXIST)
+			RET_CG_ERR(err);
+	}
+
+	return CG_OK;
+}
+
+static int handle_hdr_opt_len(struct bpf_sock_ops *skops)
+{
+	__u8 tcp_flags = skops_tcp_flags(skops);
+
+	if ((tcp_flags & TCPHDR_SYNACK) == TCPHDR_SYNACK)
+		/* Check the SYN from bpf_sock_ops_kern->syn_skb */
+		return check_active_syn_in(skops);
+
+	/* Passive side should have cleared the write hdr cb by now */
+	if (skops->local_port == passive_lport_h)
+		RET_CG_ERR(0);
+
+	return active_opt_len(skops);
+}
+
+static int handle_write_hdr_opt(struct bpf_sock_ops *skops)
+{
+	if (skops->local_port == passive_lport_h)
+		RET_CG_ERR(0);
+
+	return write_active_opt(skops);
+}
+
+static int handle_parse_hdr(struct bpf_sock_ops *skops)
+{
+	/* Passive side is not writing any non-standard/unknown
+	 * option, so the active side should never be called.
+	 */
+	if (skops->local_port == active_lport_h)
+		RET_CG_ERR(0);
+
+	return check_active_hdr_in(skops);
+}
+
+static int handle_passive_estab(struct bpf_sock_ops *skops)
+{
+	int err;
+
+	/* No more write hdr cb */
+	bpf_sock_ops_cb_flags_set(skops,
+				  skops->bpf_sock_ops_cb_flags &
+				  ~BPF_SOCK_OPS_WRITE_HDR_OPT_CB_FLAG);
+
+	/* Recheck the SYN but check the tp->saved_syn this time */
+	err = check_active_syn_in(skops);
+	if (err == CG_ERR)
+		return err;
+
+	nr_syn++;
+
+	/* The ack has header option written by the active side also */
+	return check_active_hdr_in(skops);
+}
+
+SEC("sockops")
+int misc_estab(struct bpf_sock_ops *skops)
+{
+	int true_val = 1;
+
+	switch (skops->op) {
+	case BPF_SOCK_OPS_TCP_LISTEN_CB:
+		passive_lport_h = skops->local_port;
+		passive_lport_n = __bpf_htons(passive_lport_h);
+		bpf_setsockopt(skops, SOL_TCP, TCP_SAVE_SYN,
+			       &true_val, sizeof(true_val));
+		set_hdr_cb_flags(skops, 0);
+		break;
+	case BPF_SOCK_OPS_TCP_CONNECT_CB:
+		set_hdr_cb_flags(skops, 0);
+		break;
+	case BPF_SOCK_OPS_PARSE_HDR_OPT_CB:
+		return handle_parse_hdr(skops);
+	case BPF_SOCK_OPS_HDR_OPT_LEN_CB:
+		return handle_hdr_opt_len(skops);
+	case BPF_SOCK_OPS_WRITE_HDR_OPT_CB:
+		return handle_write_hdr_opt(skops);
+	case BPF_SOCK_OPS_PASSIVE_ESTABLISHED_CB:
+		return handle_passive_estab(skops);
+	}
+
+	return CG_OK;
+}
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/test_mmap.c b/tools/testing/selftests/bpf/progs/test_mmap.c
new file mode 100644
index 000000000..5a5cc19a1
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_mmap.c
@@ -0,0 +1,51 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (c) 2019 Facebook
+
+#include <linux/bpf.h>
+#include <stdint.h>
+#include <bpf/bpf_helpers.h>
+
+char _license[] SEC("license") = "GPL";
+
+struct {
+	__uint(type, BPF_MAP_TYPE_ARRAY);
+	__uint(map_flags, BPF_F_MMAPABLE | BPF_F_RDONLY_PROG);
+	__type(key, __u32);
+	__type(value, char);
+} rdonly_map SEC(".maps");
+
+struct {
+	__uint(type, BPF_MAP_TYPE_ARRAY);
+	__uint(map_flags, BPF_F_MMAPABLE);
+	__type(key, __u32);
+	__type(value, __u64);
+} data_map SEC(".maps");
+
+__u64 in_val = 0;
+__u64 out_val = 0;
+
+SEC("raw_tracepoint/sys_enter")
+int test_mmap(void *ctx)
+{
+	int zero = 0, one = 1, two = 2, far = 1500;
+	__u64 val, *p;
+
+	out_val = in_val;
+
+	/* data_map[2] = in_val; */
+	bpf_map_update_elem(&data_map, &two, (const void *)&in_val, 0);
+
+	/* data_map[1] = data_map[0] * 2; */
+	p = bpf_map_lookup_elem(&data_map, &zero);
+	if (p) {
+		val = (*p) * 2;
+		bpf_map_update_elem(&data_map, &one, &val, 0);
+	}
+
+	/* data_map[far] = in_val * 3; */
+	val = in_val * 3;
+	bpf_map_update_elem(&data_map, &far, &val, 0);
+
+	return 0;
+}
+
diff --git a/tools/testing/selftests/bpf/progs/test_module_attach.c b/tools/testing/selftests/bpf/progs/test_module_attach.c
new file mode 100644
index 000000000..08628afed
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_module_attach.c
@@ -0,0 +1,113 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2020 Facebook */
+
+#include "vmlinux.h"
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_tracing.h>
+#include <bpf/bpf_core_read.h>
+#include "../bpf_testmod/bpf_testmod.h"
+
+__u32 raw_tp_read_sz = 0;
+
+SEC("raw_tp/bpf_testmod_test_read")
+int BPF_PROG(handle_raw_tp,
+	     struct task_struct *task, struct bpf_testmod_test_read_ctx *read_ctx)
+{
+	raw_tp_read_sz = BPF_CORE_READ(read_ctx, len);
+	return 0;
+}
+
+__u32 raw_tp_bare_write_sz = 0;
+
+SEC("raw_tp/bpf_testmod_test_write_bare")
+int BPF_PROG(handle_raw_tp_bare,
+	     struct task_struct *task, struct bpf_testmod_test_write_ctx *write_ctx)
+{
+	raw_tp_bare_write_sz = BPF_CORE_READ(write_ctx, len);
+	return 0;
+}
+
+int raw_tp_writable_bare_in_val = 0;
+int raw_tp_writable_bare_early_ret = 0;
+int raw_tp_writable_bare_out_val = 0;
+
+SEC("raw_tp.w/bpf_testmod_test_writable_bare")
+int BPF_PROG(handle_raw_tp_writable_bare,
+	     struct bpf_testmod_test_writable_ctx *writable)
+{
+	raw_tp_writable_bare_in_val = writable->val;
+	writable->early_ret = raw_tp_writable_bare_early_ret;
+	writable->val = raw_tp_writable_bare_out_val;
+	return 0;
+}
+
+__u32 tp_btf_read_sz = 0;
+
+SEC("tp_btf/bpf_testmod_test_read")
+int BPF_PROG(handle_tp_btf,
+	     struct task_struct *task, struct bpf_testmod_test_read_ctx *read_ctx)
+{
+	tp_btf_read_sz = read_ctx->len;
+	return 0;
+}
+
+__u32 fentry_read_sz = 0;
+
+SEC("fentry/bpf_testmod_test_read")
+int BPF_PROG(handle_fentry,
+	     struct file *file, struct kobject *kobj,
+	     struct bin_attribute *bin_attr, char *buf, loff_t off, size_t len)
+{
+	fentry_read_sz = len;
+	return 0;
+}
+
+__u32 fentry_manual_read_sz = 0;
+
+SEC("fentry")
+int BPF_PROG(handle_fentry_manual,
+	     struct file *file, struct kobject *kobj,
+	     struct bin_attribute *bin_attr, char *buf, loff_t off, size_t len)
+{
+	fentry_manual_read_sz = len;
+	return 0;
+}
+
+__u32 fexit_read_sz = 0;
+int fexit_ret = 0;
+
+SEC("fexit/bpf_testmod_test_read")
+int BPF_PROG(handle_fexit,
+	     struct file *file, struct kobject *kobj,
+	     struct bin_attribute *bin_attr, char *buf, loff_t off, size_t len,
+	     int ret)
+{
+	fexit_read_sz = len;
+	fexit_ret = ret;
+	return 0;
+}
+
+SEC("fexit/bpf_testmod_return_ptr")
+int BPF_PROG(handle_fexit_ret, int arg, struct file *ret)
+{
+	long buf = 0;
+
+	bpf_probe_read_kernel(&buf, 8, ret);
+	bpf_probe_read_kernel(&buf, 8, (char *)ret + 256);
+	*(volatile long long *)ret;
+	*(volatile int *)&ret->f_mode;
+	return 0;
+}
+
+__u32 fmod_ret_read_sz = 0;
+
+SEC("fmod_ret/bpf_testmod_test_read")
+int BPF_PROG(handle_fmod_ret,
+	     struct file *file, struct kobject *kobj,
+	     struct bin_attribute *bin_attr, char *buf, loff_t off, size_t len)
+{
+	fmod_ret_read_sz = len;
+	return 0; /* don't override the exit code */
+}
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/test_ns_current_pid_tgid.c b/tools/testing/selftests/bpf/progs/test_ns_current_pid_tgid.c
new file mode 100644
index 000000000..0763d49f9
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_ns_current_pid_tgid.c
@@ -0,0 +1,27 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2019 Carlos Neira cneirabustos@gmail.com */
+
+#include <linux/bpf.h>
+#include <stdint.h>
+#include <bpf/bpf_helpers.h>
+
+__u64 user_pid = 0;
+__u64 user_tgid = 0;
+__u64 dev = 0;
+__u64 ino = 0;
+
+SEC("tracepoint/syscalls/sys_enter_nanosleep")
+int handler(const void *ctx)
+{
+	struct bpf_pidns_info nsdata;
+
+	if (bpf_get_ns_current_pid_tgid(dev, ino, &nsdata, sizeof(struct bpf_pidns_info)))
+		return 0;
+
+	user_pid = nsdata.pid;
+	user_tgid = nsdata.tgid;
+
+	return 0;
+}
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/test_obj_id.c b/tools/testing/selftests/bpf/progs/test_obj_id.c
new file mode 100644
index 000000000..ded71b3ff
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_obj_id.c
@@ -0,0 +1,24 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/* Copyright (c) 2017 Facebook
+ */
+#include <stddef.h>
+#include <linux/bpf.h>
+#include <bpf/bpf_helpers.h>
+
+struct {
+	__uint(type, BPF_MAP_TYPE_ARRAY);
+	__uint(max_entries, 1);
+	__type(key, __u32);
+	__type(value, __u64);
+} test_map_id SEC(".maps");
+
+SEC("raw_tp/sys_enter")
+int test_obj_id(void *ctx)
+{
+	__u32 key = 0;
+	__u64 *value;
+
+	value = bpf_map_lookup_elem(&test_map_id, &key);
+
+	return 0;
+}
diff --git a/tools/testing/selftests/bpf/progs/test_overhead.c b/tools/testing/selftests/bpf/progs/test_overhead.c
new file mode 100644
index 000000000..abb7344b5
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_overhead.c
@@ -0,0 +1,42 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2019 Facebook */
+#include <stdbool.h>
+#include <stddef.h>
+#include <linux/bpf.h>
+#include <linux/ptrace.h>
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_tracing.h>
+
+struct task_struct;
+
+SEC("kprobe/__set_task_comm")
+int BPF_KPROBE(prog1, struct task_struct *tsk, const char *buf, bool exec)
+{
+	return !tsk;
+}
+
+SEC("kretprobe/__set_task_comm")
+int BPF_KRETPROBE(prog2, int ret)
+{
+	return ret;
+}
+
+SEC("raw_tp/task_rename")
+int prog3(struct bpf_raw_tracepoint_args *ctx)
+{
+	return !ctx->args[0];
+}
+
+SEC("fentry/__set_task_comm")
+int BPF_PROG(prog4, struct task_struct *tsk, const char *buf, bool exec)
+{
+	return 0;
+}
+
+SEC("fexit/__set_task_comm")
+int BPF_PROG(prog5, struct task_struct *tsk, const char *buf, bool exec)
+{
+	return 0;
+}
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/test_pe_preserve_elems.c b/tools/testing/selftests/bpf/progs/test_pe_preserve_elems.c
new file mode 100644
index 000000000..1249a9456
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_pe_preserve_elems.c
@@ -0,0 +1,38 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (c) 2020 Facebook
+#include <linux/bpf.h>
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_tracing.h>
+
+struct {
+	__uint(type, BPF_MAP_TYPE_PERF_EVENT_ARRAY);
+	__uint(max_entries, 1);
+	__type(key, int);
+	__type(value, int);
+} array_1 SEC(".maps");
+
+struct {
+	__uint(type, BPF_MAP_TYPE_PERF_EVENT_ARRAY);
+	__uint(max_entries, 1);
+	__type(key, int);
+	__type(value, int);
+	__uint(map_flags, BPF_F_PRESERVE_ELEMS);
+} array_2 SEC(".maps");
+
+SEC("raw_tp/sched_switch")
+int BPF_PROG(read_array_1)
+{
+	struct bpf_perf_event_value val;
+
+	return bpf_perf_event_read_value(&array_1, 0, &val, sizeof(val));
+}
+
+SEC("raw_tp/task_rename")
+int BPF_PROG(read_array_2)
+{
+	struct bpf_perf_event_value val;
+
+	return bpf_perf_event_read_value(&array_2, 0, &val, sizeof(val));
+}
+
+char LICENSE[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/test_perf_branches.c b/tools/testing/selftests/bpf/progs/test_perf_branches.c
new file mode 100644
index 000000000..a1ccc831c
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_perf_branches.c
@@ -0,0 +1,50 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (c) 2019 Facebook
+
+#include <stddef.h>
+#include <linux/ptrace.h>
+#include <linux/bpf.h>
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_tracing.h>
+
+int valid = 0;
+int required_size_out = 0;
+int written_stack_out = 0;
+int written_global_out = 0;
+
+struct {
+	__u64 _a;
+	__u64 _b;
+	__u64 _c;
+} fpbe[30] = {0};
+
+SEC("perf_event")
+int perf_branches(void *ctx)
+{
+	__u64 entries[4 * 3] = {0};
+	int required_size, written_stack, written_global;
+
+	/* write to stack */
+	written_stack = bpf_read_branch_records(ctx, entries, sizeof(entries), 0);
+	/* ignore spurious events */
+	if (!written_stack)
+		return 1;
+
+	/* get required size */
+	required_size = bpf_read_branch_records(ctx, NULL, 0,
+						BPF_F_GET_BRANCH_RECORDS_SIZE);
+
+	written_global = bpf_read_branch_records(ctx, fpbe, sizeof(fpbe), 0);
+	/* ignore spurious events */
+	if (!written_global)
+		return 1;
+
+	required_size_out = required_size;
+	written_stack_out = written_stack;
+	written_global_out = written_global;
+	valid = 1;
+
+	return 0;
+}
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/test_perf_buffer.c b/tools/testing/selftests/bpf/progs/test_perf_buffer.c
new file mode 100644
index 000000000..17d5b6774
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_perf_buffer.c
@@ -0,0 +1,41 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (c) 2019 Facebook
+
+#include <linux/ptrace.h>
+#include <linux/bpf.h>
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_tracing.h>
+
+struct {
+	__uint(type, BPF_MAP_TYPE_ARRAY);
+	__type(key, int);
+	__type(value, int);
+	__uint(max_entries, 1);
+} my_pid_map SEC(".maps");
+
+struct {
+	__uint(type, BPF_MAP_TYPE_PERF_EVENT_ARRAY);
+	__type(key, int);
+	__type(value, int);
+} perf_buf_map SEC(".maps");
+
+SEC("tp/raw_syscalls/sys_enter")
+int handle_sys_enter(void *ctx)
+{
+	int zero = 0, *my_pid, cur_pid;
+	int cpu = bpf_get_smp_processor_id();
+
+	my_pid = bpf_map_lookup_elem(&my_pid_map, &zero);
+	if (!my_pid)
+		return 1;
+
+	cur_pid = bpf_get_current_pid_tgid() >> 32;
+	if (cur_pid != *my_pid)
+		return 1;
+
+	bpf_perf_event_output(ctx, &perf_buf_map, BPF_F_CURRENT_CPU,
+			      &cpu, sizeof(cpu));
+	return 1;
+}
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/test_perf_link.c b/tools/testing/selftests/bpf/progs/test_perf_link.c
new file mode 100644
index 000000000..c1db9fd98
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_perf_link.c
@@ -0,0 +1,16 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2021 Facebook */
+#include "vmlinux.h"
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_tracing.h>
+
+int run_cnt = 0;
+
+SEC("perf_event")
+int handler(struct pt_regs *ctx)
+{
+	__sync_fetch_and_add(&run_cnt, 1);
+	return 0;
+}
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/test_pinning.c b/tools/testing/selftests/bpf/progs/test_pinning.c
new file mode 100644
index 000000000..0facea6cb
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_pinning.c
@@ -0,0 +1,29 @@
+// SPDX-License-Identifier: GPL-2.0
+
+#include <linux/bpf.h>
+#include <bpf/bpf_helpers.h>
+
+struct {
+	__uint(type, BPF_MAP_TYPE_ARRAY);
+	__uint(max_entries, 1);
+	__type(key, __u32);
+	__type(value, __u64);
+	__uint(pinning, LIBBPF_PIN_BY_NAME);
+} pinmap SEC(".maps");
+
+struct {
+	__uint(type, BPF_MAP_TYPE_HASH);
+	__uint(max_entries, 1);
+	__type(key, __u32);
+	__type(value, __u64);
+} nopinmap SEC(".maps");
+
+struct {
+	__uint(type, BPF_MAP_TYPE_HASH);
+	__uint(max_entries, 1);
+	__type(key, __u32);
+	__type(value, __u64);
+	__uint(pinning, LIBBPF_PIN_NONE);
+} nopinmap2 SEC(".maps");
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/test_pinning_invalid.c b/tools/testing/selftests/bpf/progs/test_pinning_invalid.c
new file mode 100644
index 000000000..2a56db109
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_pinning_invalid.c
@@ -0,0 +1,14 @@
+// SPDX-License-Identifier: GPL-2.0
+
+#include <linux/bpf.h>
+#include <bpf/bpf_helpers.h>
+
+struct {
+	__uint(type, BPF_MAP_TYPE_ARRAY);
+	__uint(max_entries, 1);
+	__type(key, __u32);
+	__type(value, __u64);
+	__uint(pinning, 2); /* invalid */
+} nopinmap3 SEC(".maps");
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/test_pkt_access.c b/tools/testing/selftests/bpf/progs/test_pkt_access.c
new file mode 100644
index 000000000..5cd7c096f
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_pkt_access.c
@@ -0,0 +1,147 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/* Copyright (c) 2017 Facebook
+ */
+#include <stddef.h>
+#include <string.h>
+#include <linux/bpf.h>
+#include <linux/if_ether.h>
+#include <linux/if_packet.h>
+#include <linux/ip.h>
+#include <linux/ipv6.h>
+#include <linux/in.h>
+#include <linux/tcp.h>
+#include <linux/pkt_cls.h>
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_endian.h>
+
+/* llvm will optimize both subprograms into exactly the same BPF assembly
+ *
+ * Disassembly of section .text:
+ *
+ * 0000000000000000 test_pkt_access_subprog1:
+ * ; 	return skb->len * 2;
+ *        0:	61 10 00 00 00 00 00 00	r0 = *(u32 *)(r1 + 0)
+ *        1:	64 00 00 00 01 00 00 00	w0 <<= 1
+ *        2:	95 00 00 00 00 00 00 00	exit
+ *
+ * 0000000000000018 test_pkt_access_subprog2:
+ * ; 	return skb->len * val;
+ *        3:	61 10 00 00 00 00 00 00	r0 = *(u32 *)(r1 + 0)
+ *        4:	64 00 00 00 01 00 00 00	w0 <<= 1
+ *        5:	95 00 00 00 00 00 00 00	exit
+ *
+ * Which makes it an interesting test for BTF-enabled verifier.
+ */
+static __attribute__ ((noinline))
+int test_pkt_access_subprog1(volatile struct __sk_buff *skb)
+{
+	return skb->len * 2;
+}
+
+static __attribute__ ((noinline))
+int test_pkt_access_subprog2(int val, volatile struct __sk_buff *skb)
+{
+	return skb->len * val;
+}
+
+#define MAX_STACK (512 - 2 * 32)
+
+__attribute__ ((noinline))
+int get_skb_len(struct __sk_buff *skb)
+{
+	volatile char buf[MAX_STACK] = {};
+
+	return skb->len;
+}
+
+__attribute__ ((noinline))
+int get_constant(long val)
+{
+	return val - 122;
+}
+
+int get_skb_ifindex(int, struct __sk_buff *skb, int);
+
+__attribute__ ((noinline))
+int test_pkt_access_subprog3(int val, struct __sk_buff *skb)
+{
+	return get_skb_len(skb) * get_skb_ifindex(val, skb, get_constant(123));
+}
+
+__attribute__ ((noinline))
+int get_skb_ifindex(int val, struct __sk_buff *skb, int var)
+{
+	volatile char buf[MAX_STACK] = {};
+
+	return skb->ifindex * val * var;
+}
+
+__attribute__ ((noinline))
+int test_pkt_write_access_subprog(struct __sk_buff *skb, __u32 off)
+{
+	void *data = (void *)(long)skb->data;
+	void *data_end = (void *)(long)skb->data_end;
+	struct tcphdr *tcp = NULL;
+
+	if (off > sizeof(struct ethhdr) + sizeof(struct ipv6hdr))
+		return -1;
+
+	tcp = data + off;
+	if (tcp + 1 > data_end)
+		return -1;
+	/* make modification to the packet data */
+	tcp->check++;
+	return 0;
+}
+
+SEC("tc")
+int test_pkt_access(struct __sk_buff *skb)
+{
+	void *data_end = (void *)(long)skb->data_end;
+	void *data = (void *)(long)skb->data;
+	struct ethhdr *eth = (struct ethhdr *)(data);
+	struct tcphdr *tcp = NULL;
+	__u8 proto = 255;
+	__u64 ihl_len;
+
+	if (eth + 1 > data_end)
+		return TC_ACT_SHOT;
+
+	if (eth->h_proto == bpf_htons(ETH_P_IP)) {
+		struct iphdr *iph = (struct iphdr *)(eth + 1);
+
+		if (iph + 1 > data_end)
+			return TC_ACT_SHOT;
+		ihl_len = iph->ihl * 4;
+		proto = iph->protocol;
+		tcp = (struct tcphdr *)((void *)(iph) + ihl_len);
+	} else if (eth->h_proto == bpf_htons(ETH_P_IPV6)) {
+		struct ipv6hdr *ip6h = (struct ipv6hdr *)(eth + 1);
+
+		if (ip6h + 1 > data_end)
+			return TC_ACT_SHOT;
+		ihl_len = sizeof(*ip6h);
+		proto = ip6h->nexthdr;
+		tcp = (struct tcphdr *)((void *)(ip6h) + ihl_len);
+	}
+
+	if (test_pkt_access_subprog1(skb) != skb->len * 2)
+		return TC_ACT_SHOT;
+	if (test_pkt_access_subprog2(2, skb) != skb->len * 2)
+		return TC_ACT_SHOT;
+	if (test_pkt_access_subprog3(3, skb) != skb->len * 3 * skb->ifindex)
+		return TC_ACT_SHOT;
+	if (tcp) {
+		if (test_pkt_write_access_subprog(skb, (void *)tcp - data))
+			return TC_ACT_SHOT;
+		if (((void *)(tcp) + 20) > data_end || proto != 6)
+			return TC_ACT_SHOT;
+		barrier(); /* to force ordering of checks */
+		if (((void *)(tcp) + 18) > data_end)
+			return TC_ACT_SHOT;
+		if (tcp->urg_ptr == 123)
+			return TC_ACT_OK;
+	}
+
+	return TC_ACT_UNSPEC;
+}
diff --git a/tools/testing/selftests/bpf/progs/test_pkt_md_access.c b/tools/testing/selftests/bpf/progs/test_pkt_md_access.c
new file mode 100644
index 000000000..d1839366f
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_pkt_md_access.c
@@ -0,0 +1,41 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/* Copyright (c) 2017 Facebook
+ */
+#include <stddef.h>
+#include <string.h>
+#include <linux/bpf.h>
+#include <linux/pkt_cls.h>
+#include <bpf/bpf_helpers.h>
+
+#if  __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
+#define TEST_FIELD(TYPE, FIELD, MASK)					\
+	{								\
+		TYPE tmp = *(volatile TYPE *)&skb->FIELD;		\
+		if (tmp != ((*(volatile __u32 *)&skb->FIELD) & MASK))	\
+			return TC_ACT_SHOT;				\
+	}
+#else
+#define TEST_FIELD_OFFSET(a, b)	((sizeof(a) - sizeof(b)) / sizeof(b))
+#define TEST_FIELD(TYPE, FIELD, MASK)					\
+	{								\
+		TYPE tmp = *((volatile TYPE *)&skb->FIELD +		\
+			      TEST_FIELD_OFFSET(skb->FIELD, TYPE));	\
+		if (tmp != ((*(volatile __u32 *)&skb->FIELD) & MASK))	\
+			return TC_ACT_SHOT;				\
+	}
+#endif
+
+SEC("tc")
+int test_pkt_md_access(struct __sk_buff *skb)
+{
+	TEST_FIELD(__u8,  len, 0xFF);
+	TEST_FIELD(__u16, len, 0xFFFF);
+	TEST_FIELD(__u32, len, 0xFFFFFFFF);
+	TEST_FIELD(__u16, protocol, 0xFFFF);
+	TEST_FIELD(__u32, protocol, 0xFFFFFFFF);
+	TEST_FIELD(__u8,  hash, 0xFF);
+	TEST_FIELD(__u16, hash, 0xFFFF);
+	TEST_FIELD(__u32, hash, 0xFFFFFFFF);
+
+	return TC_ACT_OK;
+}
diff --git a/tools/testing/selftests/bpf/progs/test_probe_read_user_str.c b/tools/testing/selftests/bpf/progs/test_probe_read_user_str.c
new file mode 100644
index 000000000..3ae398b75
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_probe_read_user_str.c
@@ -0,0 +1,25 @@
+// SPDX-License-Identifier: GPL-2.0
+
+#include <linux/bpf.h>
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_tracing.h>
+
+#include <sys/types.h>
+
+pid_t pid = 0;
+long ret = 0;
+void *user_ptr = 0;
+char buf[256] = {};
+
+SEC("tracepoint/syscalls/sys_enter_nanosleep")
+int on_write(void *ctx)
+{
+	if (pid != (bpf_get_current_pid_tgid() >> 32))
+		return 0;
+
+	ret = bpf_probe_read_user_str(buf, sizeof(buf), user_ptr);
+
+	return 0;
+}
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/test_probe_user.c b/tools/testing/selftests/bpf/progs/test_probe_user.c
new file mode 100644
index 000000000..a8e501af9
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_probe_user.c
@@ -0,0 +1,47 @@
+// SPDX-License-Identifier: GPL-2.0
+#include "vmlinux.h"
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_tracing.h>
+#include <bpf/bpf_core_read.h>
+#include "bpf_misc.h"
+
+static struct sockaddr_in old;
+
+static int handle_sys_connect_common(struct sockaddr_in *uservaddr)
+{
+	struct sockaddr_in new;
+
+	bpf_probe_read_user(&old, sizeof(old), uservaddr);
+	__builtin_memset(&new, 0xab, sizeof(new));
+	bpf_probe_write_user(uservaddr, &new, sizeof(new));
+
+	return 0;
+}
+
+SEC("ksyscall/connect")
+int BPF_KSYSCALL(handle_sys_connect, int fd, struct sockaddr_in *uservaddr,
+		 int addrlen)
+{
+	return handle_sys_connect_common(uservaddr);
+}
+
+#if defined(bpf_target_s390)
+#ifndef SYS_CONNECT
+#define SYS_CONNECT 3
+#endif
+
+SEC("ksyscall/socketcall")
+int BPF_KSYSCALL(handle_sys_socketcall, int call, unsigned long *args)
+{
+	if (call == SYS_CONNECT) {
+		struct sockaddr_in *uservaddr;
+
+		bpf_probe_read_user(&uservaddr, sizeof(uservaddr), &args[1]);
+		return handle_sys_connect_common(uservaddr);
+	}
+
+	return 0;
+}
+#endif
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/test_prog_array_init.c b/tools/testing/selftests/bpf/progs/test_prog_array_init.c
new file mode 100644
index 000000000..2cd138356
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_prog_array_init.c
@@ -0,0 +1,39 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* Copyright (c) 2021 Hengqi Chen */
+
+#include "vmlinux.h"
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_tracing.h>
+
+const volatile pid_t my_pid = 0;
+int value = 0;
+
+SEC("raw_tp/sys_enter")
+int tailcall_1(void *ctx)
+{
+	value = 42;
+	return 0;
+}
+
+struct {
+	__uint(type, BPF_MAP_TYPE_PROG_ARRAY);
+	__uint(max_entries, 2);
+	__uint(key_size, sizeof(__u32));
+	__array(values, int (void *));
+} prog_array_init SEC(".maps") = {
+	.values = {
+		[1] = (void *)&tailcall_1,
+	},
+};
+
+SEC("raw_tp/sys_enter")
+int entry(void *ctx)
+{
+	pid_t pid = bpf_get_current_pid_tgid() >> 32;
+
+	if (pid != my_pid)
+		return 0;
+
+	bpf_tail_call(ctx, &prog_array_init, 1);
+	return 0;
+}
diff --git a/tools/testing/selftests/bpf/progs/test_queue_map.c b/tools/testing/selftests/bpf/progs/test_queue_map.c
new file mode 100644
index 000000000..87db1f9da
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_queue_map.c
@@ -0,0 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (c) 2018 Politecnico di Torino
+#define MAP_TYPE BPF_MAP_TYPE_QUEUE
+#include "test_queue_stack_map.h"
diff --git a/tools/testing/selftests/bpf/progs/test_queue_stack_map.h b/tools/testing/selftests/bpf/progs/test_queue_stack_map.h
new file mode 100644
index 000000000..648e8cab7
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_queue_stack_map.h
@@ -0,0 +1,57 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+// Copyright (c) 2018 Politecnico di Torino
+#include <stddef.h>
+#include <string.h>
+#include <linux/bpf.h>
+#include <linux/if_ether.h>
+#include <linux/ip.h>
+#include <linux/pkt_cls.h>
+#include <bpf/bpf_helpers.h>
+
+struct {
+	__uint(type, MAP_TYPE);
+	__uint(max_entries, 32);
+	__uint(map_flags, 0);
+	__uint(key_size, 0);
+	__uint(value_size, sizeof(__u32));
+} map_in SEC(".maps");
+
+struct {
+	__uint(type, MAP_TYPE);
+	__uint(max_entries, 32);
+	__uint(map_flags, 0);
+	__uint(key_size, 0);
+	__uint(value_size, sizeof(__u32));
+} map_out SEC(".maps");
+
+SEC("tc")
+int _test(struct __sk_buff *skb)
+{
+	void *data_end = (void *)(long)skb->data_end;
+	void *data = (void *)(long)skb->data;
+	struct ethhdr *eth = (struct ethhdr *)(data);
+	__u32 value;
+	int err;
+
+	if (eth + 1 > data_end)
+		return TC_ACT_SHOT;
+
+	struct iphdr *iph = (struct iphdr *)(eth + 1);
+
+	if (iph + 1 > data_end)
+		return TC_ACT_SHOT;
+
+	err = bpf_map_pop_elem(&map_in, &value);
+	if (err)
+		return TC_ACT_SHOT;
+
+	iph->daddr = value;
+
+	err = bpf_map_push_elem(&map_out, &iph->saddr, 0);
+	if (err)
+		return TC_ACT_SHOT;
+
+	return TC_ACT_OK;
+}
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/test_raw_tp_test_run.c b/tools/testing/selftests/bpf/progs/test_raw_tp_test_run.c
new file mode 100644
index 000000000..4c63cc87b
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_raw_tp_test_run.c
@@ -0,0 +1,24 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2020 Facebook */
+
+#include "vmlinux.h"
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_tracing.h>
+
+__u32 count = 0;
+__u32 on_cpu = 0xffffffff;
+
+SEC("raw_tp/task_rename")
+int BPF_PROG(rename, struct task_struct *task, char *comm)
+{
+
+	count++;
+	if ((__u64) task == 0x1234ULL && (__u64) comm == 0x5678ULL) {
+		on_cpu = bpf_get_smp_processor_id();
+		return (long)task + (long)comm;
+	}
+
+	return 0;
+}
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/test_rdonly_maps.c b/tools/testing/selftests/bpf/progs/test_rdonly_maps.c
new file mode 100644
index 000000000..fc8e8a34a
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_rdonly_maps.c
@@ -0,0 +1,83 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (c) 2019 Facebook
+
+#include <linux/ptrace.h>
+#include <linux/bpf.h>
+#include <bpf/bpf_helpers.h>
+
+const struct {
+	unsigned a[4];
+	/*
+	 * if the struct's size is multiple of 16, compiler will put it into
+	 * .rodata.cst16 section, which is not recognized by libbpf; work
+	 * around this by ensuring we don't have 16-aligned struct
+	 */
+	char _y;
+} rdonly_values = { .a = {2, 3, 4, 5} };
+
+struct {
+	unsigned did_run;
+	unsigned iters;
+	unsigned sum;
+} res = {};
+
+SEC("raw_tracepoint/sys_enter:skip_loop")
+int skip_loop(struct pt_regs *ctx)
+{
+	/* prevent compiler to optimize everything out */
+	unsigned * volatile p = (void *)&rdonly_values.a;
+	unsigned iters = 0, sum = 0;
+
+	/* we should never enter this loop */
+	while (*p & 1) {
+		iters++;
+		sum += *p;
+		p++;
+	}
+	res.did_run = 1;
+	res.iters = iters;
+	res.sum = sum;
+	return 0;
+}
+
+SEC("raw_tracepoint/sys_enter:part_loop")
+int part_loop(struct pt_regs *ctx)
+{
+	/* prevent compiler to optimize everything out */
+	unsigned * volatile p = (void *)&rdonly_values.a;
+	unsigned iters = 0, sum = 0;
+
+	/* validate verifier can derive loop termination */
+	while (*p < 5) {
+		iters++;
+		sum += *p;
+		p++;
+	}
+	res.did_run = 1;
+	res.iters = iters;
+	res.sum = sum;
+	return 0;
+}
+
+SEC("raw_tracepoint/sys_enter:full_loop")
+int full_loop(struct pt_regs *ctx)
+{
+	/* prevent compiler to optimize everything out */
+	unsigned * volatile p = (void *)&rdonly_values.a;
+	int i = sizeof(rdonly_values.a) / sizeof(rdonly_values.a[0]);
+	unsigned iters = 0, sum = 0;
+
+	/* validate verifier can allow full loop as well */
+	while (i > 0 ) {
+		iters++;
+		sum += *p;
+		p++;
+		i--;
+	}
+	res.did_run = 1;
+	res.iters = iters;
+	res.sum = sum;
+	return 0;
+}
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/test_ringbuf.c b/tools/testing/selftests/bpf/progs/test_ringbuf.c
new file mode 100644
index 000000000..5bdc0d38e
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_ringbuf.c
@@ -0,0 +1,78 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (c) 2020 Facebook
+
+#include <linux/bpf.h>
+#include <bpf/bpf_helpers.h>
+#include "bpf_misc.h"
+
+char _license[] SEC("license") = "GPL";
+
+struct sample {
+	int pid;
+	int seq;
+	long value;
+	char comm[16];
+};
+
+struct {
+	__uint(type, BPF_MAP_TYPE_RINGBUF);
+} ringbuf SEC(".maps");
+
+/* inputs */
+int pid = 0;
+long value = 0;
+long flags = 0;
+
+/* outputs */
+long total = 0;
+long discarded = 0;
+long dropped = 0;
+
+long avail_data = 0;
+long ring_size = 0;
+long cons_pos = 0;
+long prod_pos = 0;
+
+/* inner state */
+long seq = 0;
+
+SEC("fentry/" SYS_PREFIX "sys_getpgid")
+int test_ringbuf(void *ctx)
+{
+	int cur_pid = bpf_get_current_pid_tgid() >> 32;
+	struct sample *sample;
+	int zero = 0;
+
+	if (cur_pid != pid)
+		return 0;
+
+	sample = bpf_ringbuf_reserve(&ringbuf, sizeof(*sample), 0);
+	if (!sample) {
+		__sync_fetch_and_add(&dropped, 1);
+		return 0;
+	}
+
+	sample->pid = pid;
+	bpf_get_current_comm(sample->comm, sizeof(sample->comm));
+	sample->value = value;
+
+	sample->seq = seq++;
+	__sync_fetch_and_add(&total, 1);
+
+	if (sample->seq & 1) {
+		/* copy from reserved sample to a new one... */
+		bpf_ringbuf_output(&ringbuf, sample, sizeof(*sample), flags);
+		/* ...and then discard reserved sample */
+		bpf_ringbuf_discard(sample, flags);
+		__sync_fetch_and_add(&discarded, 1);
+	} else {
+		bpf_ringbuf_submit(sample, flags);
+	}
+
+	avail_data = bpf_ringbuf_query(&ringbuf, BPF_RB_AVAIL_DATA);
+	ring_size = bpf_ringbuf_query(&ringbuf, BPF_RB_RING_SIZE);
+	cons_pos = bpf_ringbuf_query(&ringbuf, BPF_RB_CONS_POS);
+	prod_pos = bpf_ringbuf_query(&ringbuf, BPF_RB_PROD_POS);
+
+	return 0;
+}
diff --git a/tools/testing/selftests/bpf/progs/test_ringbuf_multi.c b/tools/testing/selftests/bpf/progs/test_ringbuf_multi.c
new file mode 100644
index 000000000..e416e0ce1
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_ringbuf_multi.c
@@ -0,0 +1,89 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (c) 2020 Facebook
+
+#include <linux/bpf.h>
+#include <bpf/bpf_helpers.h>
+
+char _license[] SEC("license") = "GPL";
+
+struct sample {
+	int pid;
+	int seq;
+	long value;
+	char comm[16];
+};
+
+struct ringbuf_map {
+	__uint(type, BPF_MAP_TYPE_RINGBUF);
+	/* libbpf will adjust to valid page size */
+	__uint(max_entries, 1000);
+} ringbuf1 SEC(".maps"),
+  ringbuf2 SEC(".maps");
+
+struct {
+	__uint(type, BPF_MAP_TYPE_ARRAY_OF_MAPS);
+	__uint(max_entries, 4);
+	__type(key, int);
+	__array(values, struct ringbuf_map);
+} ringbuf_arr SEC(".maps") = {
+	.values = {
+		[0] = &ringbuf1,
+		[2] = &ringbuf2,
+	},
+};
+
+struct {
+	__uint(type, BPF_MAP_TYPE_HASH_OF_MAPS);
+	__uint(max_entries, 1);
+	__type(key, int);
+	__array(values, struct ringbuf_map);
+} ringbuf_hash SEC(".maps") = {
+	.values = {
+		[0] = &ringbuf1,
+	},
+};
+
+/* inputs */
+int pid = 0;
+int target_ring = 0;
+long value = 0;
+
+/* outputs */
+long total = 0;
+long dropped = 0;
+long skipped = 0;
+
+SEC("tp/syscalls/sys_enter_getpgid")
+int test_ringbuf(void *ctx)
+{
+	int cur_pid = bpf_get_current_pid_tgid() >> 32;
+	struct sample *sample;
+	void *rb;
+	int zero = 0;
+
+	if (cur_pid != pid)
+		return 0;
+
+	rb = bpf_map_lookup_elem(&ringbuf_arr, &target_ring);
+	if (!rb) {
+		skipped += 1;
+		return 1;
+	}
+
+	sample = bpf_ringbuf_reserve(rb, sizeof(*sample), 0);
+	if (!sample) {
+		dropped += 1;
+		return 1;
+	}
+
+	sample->pid = pid;
+	bpf_get_current_comm(sample->comm, sizeof(sample->comm));
+	sample->value = value;
+
+	sample->seq = total;
+	total += 1;
+
+	bpf_ringbuf_submit(sample, 0);
+
+	return 0;
+}
diff --git a/tools/testing/selftests/bpf/progs/test_seg6_loop.c b/tools/testing/selftests/bpf/progs/test_seg6_loop.c
new file mode 100644
index 000000000..a7278f064
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_seg6_loop.c
@@ -0,0 +1,260 @@
+#include <stddef.h>
+#include <inttypes.h>
+#include <errno.h>
+#include <linux/seg6_local.h>
+#include <linux/bpf.h>
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_endian.h>
+
+/* Packet parsing state machine helpers. */
+#define cursor_advance(_cursor, _len) \
+	({ void *_tmp = _cursor; _cursor += _len; _tmp; })
+
+#define SR6_FLAG_ALERT (1 << 4)
+
+#define BPF_PACKET_HEADER __attribute__((packed))
+
+struct ip6_t {
+	unsigned int ver:4;
+	unsigned int priority:8;
+	unsigned int flow_label:20;
+	unsigned short payload_len;
+	unsigned char next_header;
+	unsigned char hop_limit;
+	unsigned long long src_hi;
+	unsigned long long src_lo;
+	unsigned long long dst_hi;
+	unsigned long long dst_lo;
+} BPF_PACKET_HEADER;
+
+struct ip6_addr_t {
+	unsigned long long hi;
+	unsigned long long lo;
+} BPF_PACKET_HEADER;
+
+struct ip6_srh_t {
+	unsigned char nexthdr;
+	unsigned char hdrlen;
+	unsigned char type;
+	unsigned char segments_left;
+	unsigned char first_segment;
+	unsigned char flags;
+	unsigned short tag;
+
+	struct ip6_addr_t segments[0];
+} BPF_PACKET_HEADER;
+
+struct sr6_tlv_t {
+	unsigned char type;
+	unsigned char len;
+	unsigned char value[0];
+} BPF_PACKET_HEADER;
+
+static __always_inline struct ip6_srh_t *get_srh(struct __sk_buff *skb)
+{
+	void *cursor, *data_end;
+	struct ip6_srh_t *srh;
+	struct ip6_t *ip;
+	uint8_t *ipver;
+
+	data_end = (void *)(long)skb->data_end;
+	cursor = (void *)(long)skb->data;
+	ipver = (uint8_t *)cursor;
+
+	if ((void *)ipver + sizeof(*ipver) > data_end)
+		return NULL;
+
+	if ((*ipver >> 4) != 6)
+		return NULL;
+
+	ip = cursor_advance(cursor, sizeof(*ip));
+	if ((void *)ip + sizeof(*ip) > data_end)
+		return NULL;
+
+	if (ip->next_header != 43)
+		return NULL;
+
+	srh = cursor_advance(cursor, sizeof(*srh));
+	if ((void *)srh + sizeof(*srh) > data_end)
+		return NULL;
+
+	if (srh->type != 4)
+		return NULL;
+
+	return srh;
+}
+
+static __always_inline int update_tlv_pad(struct __sk_buff *skb,
+					  uint32_t new_pad, uint32_t old_pad,
+					  uint32_t pad_off)
+{
+	int err;
+
+	if (new_pad != old_pad) {
+		err = bpf_lwt_seg6_adjust_srh(skb, pad_off,
+					  (int) new_pad - (int) old_pad);
+		if (err)
+			return err;
+	}
+
+	if (new_pad > 0) {
+		char pad_tlv_buf[16] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+					0, 0, 0};
+		struct sr6_tlv_t *pad_tlv = (struct sr6_tlv_t *) pad_tlv_buf;
+
+		pad_tlv->type = SR6_TLV_PADDING;
+		pad_tlv->len = new_pad - 2;
+
+		err = bpf_lwt_seg6_store_bytes(skb, pad_off,
+					       (void *)pad_tlv_buf, new_pad);
+		if (err)
+			return err;
+	}
+
+	return 0;
+}
+
+static __always_inline int is_valid_tlv_boundary(struct __sk_buff *skb,
+						 struct ip6_srh_t *srh,
+						 uint32_t *tlv_off,
+						 uint32_t *pad_size,
+						 uint32_t *pad_off)
+{
+	uint32_t srh_off, cur_off;
+	int offset_valid = 0;
+	int err;
+
+	srh_off = (char *)srh - (char *)(long)skb->data;
+	// cur_off = end of segments, start of possible TLVs
+	cur_off = srh_off + sizeof(*srh) +
+		sizeof(struct ip6_addr_t) * (srh->first_segment + 1);
+
+	*pad_off = 0;
+
+	// we can only go as far as ~10 TLVs due to the BPF max stack size
+	// workaround: define induction variable "i" as "long" instead
+	// of "int" to prevent alu32 sub-register spilling.
+	#pragma clang loop unroll(disable)
+	for (long i = 0; i < 100; i++) {
+		struct sr6_tlv_t tlv;
+
+		if (cur_off == *tlv_off)
+			offset_valid = 1;
+
+		if (cur_off >= srh_off + ((srh->hdrlen + 1) << 3))
+			break;
+
+		err = bpf_skb_load_bytes(skb, cur_off, &tlv, sizeof(tlv));
+		if (err)
+			return err;
+
+		if (tlv.type == SR6_TLV_PADDING) {
+			*pad_size = tlv.len + sizeof(tlv);
+			*pad_off = cur_off;
+
+			if (*tlv_off == srh_off) {
+				*tlv_off = cur_off;
+				offset_valid = 1;
+			}
+			break;
+
+		} else if (tlv.type == SR6_TLV_HMAC) {
+			break;
+		}
+
+		cur_off += sizeof(tlv) + tlv.len;
+	} // we reached the padding or HMAC TLVs, or the end of the SRH
+
+	if (*pad_off == 0)
+		*pad_off = cur_off;
+
+	if (*tlv_off == -1)
+		*tlv_off = cur_off;
+	else if (!offset_valid)
+		return -EINVAL;
+
+	return 0;
+}
+
+static __always_inline int add_tlv(struct __sk_buff *skb,
+				   struct ip6_srh_t *srh, uint32_t tlv_off,
+				   struct sr6_tlv_t *itlv, uint8_t tlv_size)
+{
+	uint32_t srh_off = (char *)srh - (char *)(long)skb->data;
+	uint8_t len_remaining, new_pad;
+	uint32_t pad_off = 0;
+	uint32_t pad_size = 0;
+	uint32_t partial_srh_len;
+	int err;
+
+	if (tlv_off != -1)
+		tlv_off += srh_off;
+
+	if (itlv->type == SR6_TLV_PADDING || itlv->type == SR6_TLV_HMAC)
+		return -EINVAL;
+
+	err = is_valid_tlv_boundary(skb, srh, &tlv_off, &pad_size, &pad_off);
+	if (err)
+		return err;
+
+	err = bpf_lwt_seg6_adjust_srh(skb, tlv_off, sizeof(*itlv) + itlv->len);
+	if (err)
+		return err;
+
+	err = bpf_lwt_seg6_store_bytes(skb, tlv_off, (void *)itlv, tlv_size);
+	if (err)
+		return err;
+
+	// the following can't be moved inside update_tlv_pad because the
+	// bpf verifier has some issues with it
+	pad_off += sizeof(*itlv) + itlv->len;
+	partial_srh_len = pad_off - srh_off;
+	len_remaining = partial_srh_len % 8;
+	new_pad = 8 - len_remaining;
+
+	if (new_pad == 1) // cannot pad for 1 byte only
+		new_pad = 9;
+	else if (new_pad == 8)
+		new_pad = 0;
+
+	return update_tlv_pad(skb, new_pad, pad_size, pad_off);
+}
+
+// Add an Egress TLV fc00::4, add the flag A,
+// and apply End.X action to fc42::1
+SEC("lwt_seg6local")
+int __add_egr_x(struct __sk_buff *skb)
+{
+	unsigned long long hi = 0xfc42000000000000;
+	unsigned long long lo = 0x1;
+	struct ip6_srh_t *srh = get_srh(skb);
+	uint8_t new_flags = SR6_FLAG_ALERT;
+	struct ip6_addr_t addr;
+	int err, offset;
+
+	if (srh == NULL)
+		return BPF_DROP;
+
+	uint8_t tlv[20] = {2, 18, 0, 0, 0xfd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
+			   0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4};
+
+	err = add_tlv(skb, srh, (srh->hdrlen+1) << 3,
+		      (struct sr6_tlv_t *)&tlv, 20);
+	if (err)
+		return BPF_DROP;
+
+	offset = sizeof(struct ip6_t) + offsetof(struct ip6_srh_t, flags);
+	err = bpf_lwt_seg6_store_bytes(skb, offset,
+				       (void *)&new_flags, sizeof(new_flags));
+	if (err)
+		return BPF_DROP;
+
+	addr.lo = bpf_cpu_to_be64(lo);
+	addr.hi = bpf_cpu_to_be64(hi);
+	err = bpf_lwt_seg6_action(skb, SEG6_LOCAL_ACTION_END_X,
+				  (void *)&addr, sizeof(addr));
+	if (err)
+		return BPF_DROP;
+	return BPF_REDIRECT;
+}
+char __license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/test_select_reuseport_kern.c b/tools/testing/selftests/bpf/progs/test_select_reuseport_kern.c
new file mode 100644
index 000000000..7d56ed47c
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_select_reuseport_kern.c
@@ -0,0 +1,184 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2018 Facebook */
+
+#include <stdlib.h>
+#include <linux/in.h>
+#include <linux/ip.h>
+#include <linux/ipv6.h>
+#include <linux/tcp.h>
+#include <linux/udp.h>
+#include <linux/bpf.h>
+#include <linux/types.h>
+#include <linux/if_ether.h>
+
+#include <bpf/bpf_endian.h>
+#include <bpf/bpf_helpers.h>
+#include "test_select_reuseport_common.h"
+
+#ifndef offsetof
+#define offsetof(TYPE, MEMBER) ((size_t) &((TYPE *)0)->MEMBER)
+#endif
+
+struct {
+	__uint(type, BPF_MAP_TYPE_ARRAY_OF_MAPS);
+	__uint(max_entries, 1);
+	__type(key, __u32);
+	__type(value, __u32);
+} outer_map SEC(".maps");
+
+struct {
+	__uint(type, BPF_MAP_TYPE_ARRAY);
+	__uint(max_entries, NR_RESULTS);
+	__type(key, __u32);
+	__type(value, __u32);
+} result_map SEC(".maps");
+
+struct {
+	__uint(type, BPF_MAP_TYPE_ARRAY);
+	__uint(max_entries, 1);
+	__type(key, __u32);
+	__type(value, int);
+} tmp_index_ovr_map SEC(".maps");
+
+struct {
+	__uint(type, BPF_MAP_TYPE_ARRAY);
+	__uint(max_entries, 1);
+	__type(key, __u32);
+	__type(value, __u32);
+} linum_map SEC(".maps");
+
+struct {
+	__uint(type, BPF_MAP_TYPE_ARRAY);
+	__uint(max_entries, 1);
+	__type(key, __u32);
+	__type(value, struct data_check);
+} data_check_map SEC(".maps");
+
+#define GOTO_DONE(_result) ({			\
+	result = (_result);			\
+	linum = __LINE__;			\
+	goto done;				\
+})
+
+SEC("sk_reuseport")
+int _select_by_skb_data(struct sk_reuseport_md *reuse_md)
+{
+	__u32 linum, index = 0, flags = 0, index_zero = 0;
+	__u32 *result_cnt, *linum_value;
+	struct data_check data_check = {};
+	struct cmd *cmd, cmd_copy;
+	void *data, *data_end;
+	void *reuseport_array;
+	enum result result;
+	int *index_ovr;
+	int err;
+
+	data = reuse_md->data;
+	data_end = reuse_md->data_end;
+	data_check.len = reuse_md->len;
+	data_check.eth_protocol = reuse_md->eth_protocol;
+	data_check.ip_protocol = reuse_md->ip_protocol;
+	data_check.hash = reuse_md->hash;
+	data_check.bind_inany = reuse_md->bind_inany;
+	if (data_check.eth_protocol == bpf_htons(ETH_P_IP)) {
+		if (bpf_skb_load_bytes_relative(reuse_md,
+						offsetof(struct iphdr, saddr),
+						data_check.skb_addrs, 8,
+						BPF_HDR_START_NET))
+			GOTO_DONE(DROP_MISC);
+	} else {
+		if (bpf_skb_load_bytes_relative(reuse_md,
+						offsetof(struct ipv6hdr, saddr),
+						data_check.skb_addrs, 32,
+						BPF_HDR_START_NET))
+			GOTO_DONE(DROP_MISC);
+	}
+
+	/*
+	 * The ip_protocol could be a compile time decision
+	 * if the bpf_prog.o is dedicated to either TCP or
+	 * UDP.
+	 *
+	 * Otherwise, reuse_md->ip_protocol or
+	 * the protocol field in the iphdr can be used.
+	 */
+	if (data_check.ip_protocol == IPPROTO_TCP) {
+		struct tcphdr *th = data;
+
+		if (th + 1 > data_end)
+			GOTO_DONE(DROP_MISC);
+
+		data_check.skb_ports[0] = th->source;
+		data_check.skb_ports[1] = th->dest;
+
+		if (th->fin)
+			/* The connection is being torn down at the end of a
+			 * test. It can't contain a cmd, so return early.
+			 */
+			return SK_PASS;
+
+		if ((th->doff << 2) + sizeof(*cmd) > data_check.len)
+			GOTO_DONE(DROP_ERR_SKB_DATA);
+		if (bpf_skb_load_bytes(reuse_md, th->doff << 2, &cmd_copy,
+				       sizeof(cmd_copy)))
+			GOTO_DONE(DROP_MISC);
+		cmd = &cmd_copy;
+	} else if (data_check.ip_protocol == IPPROTO_UDP) {
+		struct udphdr *uh = data;
+
+		if (uh + 1 > data_end)
+			GOTO_DONE(DROP_MISC);
+
+		data_check.skb_ports[0] = uh->source;
+		data_check.skb_ports[1] = uh->dest;
+
+		if (sizeof(struct udphdr) + sizeof(*cmd) > data_check.len)
+			GOTO_DONE(DROP_ERR_SKB_DATA);
+		if (data + sizeof(struct udphdr) + sizeof(*cmd) > data_end) {
+			if (bpf_skb_load_bytes(reuse_md, sizeof(struct udphdr),
+					       &cmd_copy, sizeof(cmd_copy)))
+				GOTO_DONE(DROP_MISC);
+			cmd = &cmd_copy;
+		} else {
+			cmd = data + sizeof(struct udphdr);
+		}
+	} else {
+		GOTO_DONE(DROP_MISC);
+	}
+
+	reuseport_array = bpf_map_lookup_elem(&outer_map, &index_zero);
+	if (!reuseport_array)
+		GOTO_DONE(DROP_ERR_INNER_MAP);
+
+	index = cmd->reuseport_index;
+	index_ovr = bpf_map_lookup_elem(&tmp_index_ovr_map, &index_zero);
+	if (!index_ovr)
+		GOTO_DONE(DROP_MISC);
+
+	if (*index_ovr != -1) {
+		index = *index_ovr;
+		*index_ovr = -1;
+	}
+	err = bpf_sk_select_reuseport(reuse_md, reuseport_array, &index,
+				      flags);
+	if (!err)
+		GOTO_DONE(PASS);
+
+	if (cmd->pass_on_failure)
+		GOTO_DONE(PASS_ERR_SK_SELECT_REUSEPORT);
+	else
+		GOTO_DONE(DROP_ERR_SK_SELECT_REUSEPORT);
+
+done:
+	result_cnt = bpf_map_lookup_elem(&result_map, &result);
+	if (!result_cnt)
+		return SK_DROP;
+
+	bpf_map_update_elem(&linum_map, &index_zero, &linum, BPF_ANY);
+	bpf_map_update_elem(&data_check_map, &index_zero, &data_check, BPF_ANY);
+
+	(*result_cnt)++;
+	return result < PASS ? SK_DROP : SK_PASS;
+}
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/test_send_signal_kern.c b/tools/testing/selftests/bpf/progs/test_send_signal_kern.c
new file mode 100644
index 000000000..92354cd72
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_send_signal_kern.c
@@ -0,0 +1,46 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (c) 2019 Facebook
+#include <linux/bpf.h>
+#include <linux/version.h>
+#include <bpf/bpf_helpers.h>
+
+__u32 sig = 0, pid = 0, status = 0, signal_thread = 0;
+
+static __always_inline int bpf_send_signal_test(void *ctx)
+{
+	int ret;
+
+	if (status != 0 || pid == 0)
+		return 0;
+
+	if ((bpf_get_current_pid_tgid() >> 32) == pid) {
+		if (signal_thread)
+			ret = bpf_send_signal_thread(sig);
+		else
+			ret = bpf_send_signal(sig);
+		if (ret == 0)
+			status = 1;
+	}
+
+	return 0;
+}
+
+SEC("tracepoint/syscalls/sys_enter_nanosleep")
+int send_signal_tp(void *ctx)
+{
+	return bpf_send_signal_test(ctx);
+}
+
+SEC("tracepoint/sched/sched_switch")
+int send_signal_tp_sched(void *ctx)
+{
+	return bpf_send_signal_test(ctx);
+}
+
+SEC("perf_event")
+int send_signal_perf(void *ctx)
+{
+	return bpf_send_signal_test(ctx);
+}
+
+char __license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/test_sk_assign.c b/tools/testing/selftests/bpf/progs/test_sk_assign.c
new file mode 100644
index 000000000..21b19b758
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_sk_assign.c
@@ -0,0 +1,194 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (c) 2019 Cloudflare Ltd.
+// Copyright (c) 2020 Isovalent, Inc.
+
+#include <stddef.h>
+#include <stdbool.h>
+#include <string.h>
+#include <linux/bpf.h>
+#include <linux/if_ether.h>
+#include <linux/in.h>
+#include <linux/ip.h>
+#include <linux/ipv6.h>
+#include <linux/pkt_cls.h>
+#include <linux/tcp.h>
+#include <sys/socket.h>
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_endian.h>
+
+#if defined(IPROUTE2_HAVE_LIBBPF)
+/* Use a new-style map definition. */
+struct {
+	__uint(type, BPF_MAP_TYPE_SOCKMAP);
+	__type(key, int);
+	__type(value, __u64);
+	__uint(pinning, LIBBPF_PIN_BY_NAME);
+	__uint(max_entries, 1);
+} server_map SEC(".maps");
+#else
+/* Pin map under /sys/fs/bpf/tc/globals/<map name> */
+#define PIN_GLOBAL_NS 2
+
+/* Must match struct bpf_elf_map layout from iproute2 */
+struct {
+	__u32 type;
+	__u32 size_key;
+	__u32 size_value;
+	__u32 max_elem;
+	__u32 flags;
+	__u32 id;
+	__u32 pinning;
+} server_map SEC("maps") = {
+	.type = BPF_MAP_TYPE_SOCKMAP,
+	.size_key = sizeof(int),
+	.size_value  = sizeof(__u64),
+	.max_elem = 1,
+	.pinning = PIN_GLOBAL_NS,
+};
+#endif
+
+char _license[] SEC("license") = "GPL";
+
+/* Fill 'tuple' with L3 info, and attempt to find L4. On fail, return NULL. */
+static inline struct bpf_sock_tuple *
+get_tuple(struct __sk_buff *skb, bool *ipv4, bool *tcp)
+{
+	void *data_end = (void *)(long)skb->data_end;
+	void *data = (void *)(long)skb->data;
+	struct bpf_sock_tuple *result;
+	struct ethhdr *eth;
+	__u64 tuple_len;
+	__u8 proto = 0;
+	__u64 ihl_len;
+
+	eth = (struct ethhdr *)(data);
+	if (eth + 1 > data_end)
+		return NULL;
+
+	if (eth->h_proto == bpf_htons(ETH_P_IP)) {
+		struct iphdr *iph = (struct iphdr *)(data + sizeof(*eth));
+
+		if (iph + 1 > data_end)
+			return NULL;
+		if (iph->ihl != 5)
+			/* Options are not supported */
+			return NULL;
+		ihl_len = iph->ihl * 4;
+		proto = iph->protocol;
+		*ipv4 = true;
+		result = (struct bpf_sock_tuple *)&iph->saddr;
+	} else if (eth->h_proto == bpf_htons(ETH_P_IPV6)) {
+		struct ipv6hdr *ip6h = (struct ipv6hdr *)(data + sizeof(*eth));
+
+		if (ip6h + 1 > data_end)
+			return NULL;
+		ihl_len = sizeof(*ip6h);
+		proto = ip6h->nexthdr;
+		*ipv4 = false;
+		result = (struct bpf_sock_tuple *)&ip6h->saddr;
+	} else {
+		return (struct bpf_sock_tuple *)data;
+	}
+
+	if (proto != IPPROTO_TCP && proto != IPPROTO_UDP)
+		return NULL;
+
+	*tcp = (proto == IPPROTO_TCP);
+	return result;
+}
+
+static inline int
+handle_udp(struct __sk_buff *skb, struct bpf_sock_tuple *tuple, bool ipv4)
+{
+	struct bpf_sock *sk;
+	const int zero = 0;
+	size_t tuple_len;
+	__be16 dport;
+	int ret;
+
+	tuple_len = ipv4 ? sizeof(tuple->ipv4) : sizeof(tuple->ipv6);
+	if ((void *)tuple + tuple_len > (void *)(long)skb->data_end)
+		return TC_ACT_SHOT;
+
+	sk = bpf_sk_lookup_udp(skb, tuple, tuple_len, BPF_F_CURRENT_NETNS, 0);
+	if (sk)
+		goto assign;
+
+	dport = ipv4 ? tuple->ipv4.dport : tuple->ipv6.dport;
+	if (dport != bpf_htons(4321))
+		return TC_ACT_OK;
+
+	sk = bpf_map_lookup_elem(&server_map, &zero);
+	if (!sk)
+		return TC_ACT_SHOT;
+
+assign:
+	ret = bpf_sk_assign(skb, sk, 0);
+	bpf_sk_release(sk);
+	return ret;
+}
+
+static inline int
+handle_tcp(struct __sk_buff *skb, struct bpf_sock_tuple *tuple, bool ipv4)
+{
+	struct bpf_sock *sk;
+	const int zero = 0;
+	size_t tuple_len;
+	__be16 dport;
+	int ret;
+
+	tuple_len = ipv4 ? sizeof(tuple->ipv4) : sizeof(tuple->ipv6);
+	if ((void *)tuple + tuple_len > (void *)(long)skb->data_end)
+		return TC_ACT_SHOT;
+
+	sk = bpf_skc_lookup_tcp(skb, tuple, tuple_len, BPF_F_CURRENT_NETNS, 0);
+	if (sk) {
+		if (sk->state != BPF_TCP_LISTEN)
+			goto assign;
+		bpf_sk_release(sk);
+	}
+
+	dport = ipv4 ? tuple->ipv4.dport : tuple->ipv6.dport;
+	if (dport != bpf_htons(4321))
+		return TC_ACT_OK;
+
+	sk = bpf_map_lookup_elem(&server_map, &zero);
+	if (!sk)
+		return TC_ACT_SHOT;
+
+	if (sk->state != BPF_TCP_LISTEN) {
+		bpf_sk_release(sk);
+		return TC_ACT_SHOT;
+	}
+
+assign:
+	ret = bpf_sk_assign(skb, sk, 0);
+	bpf_sk_release(sk);
+	return ret;
+}
+
+SEC("tc")
+int bpf_sk_assign_test(struct __sk_buff *skb)
+{
+	struct bpf_sock_tuple *tuple;
+	bool ipv4 = false;
+	bool tcp = false;
+	int tuple_len;
+	int ret = 0;
+
+	tuple = get_tuple(skb, &ipv4, &tcp);
+	if (!tuple)
+		return TC_ACT_SHOT;
+
+	/* Note that the verifier socket return type for bpf_skc_lookup_tcp()
+	 * differs from bpf_sk_lookup_udp(), so even though the C-level type is
+	 * the same here, if we try to share the implementations they will
+	 * fail to verify because we're crossing pointer types.
+	 */
+	if (tcp)
+		ret = handle_tcp(skb, tuple, ipv4);
+	else
+		ret = handle_udp(skb, tuple, ipv4);
+
+	return ret == 0 ? TC_ACT_OK : TC_ACT_SHOT;
+}
diff --git a/tools/testing/selftests/bpf/progs/test_sk_assign_libbpf.c b/tools/testing/selftests/bpf/progs/test_sk_assign_libbpf.c
new file mode 100644
index 000000000..dcf46adfd
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_sk_assign_libbpf.c
@@ -0,0 +1,3 @@
+// SPDX-License-Identifier: GPL-2.0
+#define IPROUTE2_HAVE_LIBBPF
+#include "test_sk_assign.c"
diff --git a/tools/testing/selftests/bpf/progs/test_sk_lookup.c b/tools/testing/selftests/bpf/progs/test_sk_lookup.c
new file mode 100644
index 000000000..6058dcb11
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_sk_lookup.c
@@ -0,0 +1,665 @@
+// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
+// Copyright (c) 2020 Cloudflare
+
+#include <errno.h>
+#include <stdbool.h>
+#include <stddef.h>
+#include <linux/bpf.h>
+#include <linux/in.h>
+#include <sys/socket.h>
+
+#include <bpf/bpf_endian.h>
+#include <bpf/bpf_helpers.h>
+
+#define IP4(a, b, c, d)					\
+	bpf_htonl((((__u32)(a) & 0xffU) << 24) |	\
+		  (((__u32)(b) & 0xffU) << 16) |	\
+		  (((__u32)(c) & 0xffU) <<  8) |	\
+		  (((__u32)(d) & 0xffU) <<  0))
+#define IP6(aaaa, bbbb, cccc, dddd)			\
+	{ bpf_htonl(aaaa), bpf_htonl(bbbb), bpf_htonl(cccc), bpf_htonl(dddd) }
+
+/* Macros for least-significant byte and word accesses. */
+#if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
+#define LSE_INDEX(index, size) (index)
+#else
+#define LSE_INDEX(index, size) ((size) - (index) - 1)
+#endif
+#define LSB(value, index)				\
+	(((__u8 *)&(value))[LSE_INDEX((index), sizeof(value))])
+#define LSW(value, index)				\
+	(((__u16 *)&(value))[LSE_INDEX((index), sizeof(value) / 2)])
+
+#define MAX_SOCKS 32
+
+struct {
+	__uint(type, BPF_MAP_TYPE_SOCKMAP);
+	__uint(max_entries, MAX_SOCKS);
+	__type(key, __u32);
+	__type(value, __u64);
+} redir_map SEC(".maps");
+
+struct {
+	__uint(type, BPF_MAP_TYPE_ARRAY);
+	__uint(max_entries, 2);
+	__type(key, int);
+	__type(value, int);
+} run_map SEC(".maps");
+
+enum {
+	PROG1 = 0,
+	PROG2,
+};
+
+enum {
+	SERVER_A = 0,
+	SERVER_B,
+};
+
+/* Addressable key/value constants for convenience */
+static const int KEY_PROG1 = PROG1;
+static const int KEY_PROG2 = PROG2;
+static const int PROG_DONE = 1;
+
+static const __u32 KEY_SERVER_A = SERVER_A;
+static const __u32 KEY_SERVER_B = SERVER_B;
+
+static const __u16 SRC_PORT = bpf_htons(8008);
+static const __u32 SRC_IP4 = IP4(127, 0, 0, 2);
+static const __u32 SRC_IP6[] = IP6(0xfd000000, 0x0, 0x0, 0x00000002);
+
+static const __u16 DST_PORT = 7007; /* Host byte order */
+static const __u32 DST_IP4 = IP4(127, 0, 0, 1);
+static const __u32 DST_IP6[] = IP6(0xfd000000, 0x0, 0x0, 0x00000001);
+
+SEC("sk_lookup")
+int lookup_pass(struct bpf_sk_lookup *ctx)
+{
+	return SK_PASS;
+}
+
+SEC("sk_lookup")
+int lookup_drop(struct bpf_sk_lookup *ctx)
+{
+	return SK_DROP;
+}
+
+SEC("sk_lookup")
+int check_ifindex(struct bpf_sk_lookup *ctx)
+{
+	if (ctx->ingress_ifindex == 1)
+		return SK_DROP;
+	return SK_PASS;
+}
+
+SEC("sk_reuseport")
+int reuseport_pass(struct sk_reuseport_md *ctx)
+{
+	return SK_PASS;
+}
+
+SEC("sk_reuseport")
+int reuseport_drop(struct sk_reuseport_md *ctx)
+{
+	return SK_DROP;
+}
+
+/* Redirect packets destined for port DST_PORT to socket at redir_map[0]. */
+SEC("sk_lookup")
+int redir_port(struct bpf_sk_lookup *ctx)
+{
+	struct bpf_sock *sk;
+	int err;
+
+	if (ctx->local_port != DST_PORT)
+		return SK_PASS;
+
+	sk = bpf_map_lookup_elem(&redir_map, &KEY_SERVER_A);
+	if (!sk)
+		return SK_PASS;
+
+	err = bpf_sk_assign(ctx, sk, 0);
+	bpf_sk_release(sk);
+	return err ? SK_DROP : SK_PASS;
+}
+
+/* Redirect packets destined for DST_IP4 address to socket at redir_map[0]. */
+SEC("sk_lookup")
+int redir_ip4(struct bpf_sk_lookup *ctx)
+{
+	struct bpf_sock *sk;
+	int err;
+
+	if (ctx->family != AF_INET)
+		return SK_PASS;
+	if (ctx->local_port != DST_PORT)
+		return SK_PASS;
+	if (ctx->local_ip4 != DST_IP4)
+		return SK_PASS;
+
+	sk = bpf_map_lookup_elem(&redir_map, &KEY_SERVER_A);
+	if (!sk)
+		return SK_PASS;
+
+	err = bpf_sk_assign(ctx, sk, 0);
+	bpf_sk_release(sk);
+	return err ? SK_DROP : SK_PASS;
+}
+
+/* Redirect packets destined for DST_IP6 address to socket at redir_map[0]. */
+SEC("sk_lookup")
+int redir_ip6(struct bpf_sk_lookup *ctx)
+{
+	struct bpf_sock *sk;
+	int err;
+
+	if (ctx->family != AF_INET6)
+		return SK_PASS;
+	if (ctx->local_port != DST_PORT)
+		return SK_PASS;
+	if (ctx->local_ip6[0] != DST_IP6[0] ||
+	    ctx->local_ip6[1] != DST_IP6[1] ||
+	    ctx->local_ip6[2] != DST_IP6[2] ||
+	    ctx->local_ip6[3] != DST_IP6[3])
+		return SK_PASS;
+
+	sk = bpf_map_lookup_elem(&redir_map, &KEY_SERVER_A);
+	if (!sk)
+		return SK_PASS;
+
+	err = bpf_sk_assign(ctx, sk, 0);
+	bpf_sk_release(sk);
+	return err ? SK_DROP : SK_PASS;
+}
+
+SEC("sk_lookup")
+int select_sock_a(struct bpf_sk_lookup *ctx)
+{
+	struct bpf_sock *sk;
+	int err;
+
+	sk = bpf_map_lookup_elem(&redir_map, &KEY_SERVER_A);
+	if (!sk)
+		return SK_PASS;
+
+	err = bpf_sk_assign(ctx, sk, 0);
+	bpf_sk_release(sk);
+	return err ? SK_DROP : SK_PASS;
+}
+
+SEC("sk_lookup")
+int select_sock_a_no_reuseport(struct bpf_sk_lookup *ctx)
+{
+	struct bpf_sock *sk;
+	int err;
+
+	sk = bpf_map_lookup_elem(&redir_map, &KEY_SERVER_A);
+	if (!sk)
+		return SK_DROP;
+
+	err = bpf_sk_assign(ctx, sk, BPF_SK_LOOKUP_F_NO_REUSEPORT);
+	bpf_sk_release(sk);
+	return err ? SK_DROP : SK_PASS;
+}
+
+SEC("sk_reuseport")
+int select_sock_b(struct sk_reuseport_md *ctx)
+{
+	__u32 key = KEY_SERVER_B;
+	int err;
+
+	err = bpf_sk_select_reuseport(ctx, &redir_map, &key, 0);
+	return err ? SK_DROP : SK_PASS;
+}
+
+/* Check that bpf_sk_assign() returns -EEXIST if socket already selected. */
+SEC("sk_lookup")
+int sk_assign_eexist(struct bpf_sk_lookup *ctx)
+{
+	struct bpf_sock *sk;
+	int err, ret;
+
+	ret = SK_DROP;
+	sk = bpf_map_lookup_elem(&redir_map, &KEY_SERVER_B);
+	if (!sk)
+		goto out;
+	err = bpf_sk_assign(ctx, sk, 0);
+	if (err)
+		goto out;
+	bpf_sk_release(sk);
+
+	sk = bpf_map_lookup_elem(&redir_map, &KEY_SERVER_A);
+	if (!sk)
+		goto out;
+	err = bpf_sk_assign(ctx, sk, 0);
+	if (err != -EEXIST) {
+		bpf_printk("sk_assign returned %d, expected %d\n",
+			   err, -EEXIST);
+		goto out;
+	}
+
+	ret = SK_PASS; /* Success, redirect to KEY_SERVER_B */
+out:
+	if (sk)
+		bpf_sk_release(sk);
+	return ret;
+}
+
+/* Check that bpf_sk_assign(BPF_SK_LOOKUP_F_REPLACE) can override selection. */
+SEC("sk_lookup")
+int sk_assign_replace_flag(struct bpf_sk_lookup *ctx)
+{
+	struct bpf_sock *sk;
+	int err, ret;
+
+	ret = SK_DROP;
+	sk = bpf_map_lookup_elem(&redir_map, &KEY_SERVER_A);
+	if (!sk)
+		goto out;
+	err = bpf_sk_assign(ctx, sk, 0);
+	if (err)
+		goto out;
+	bpf_sk_release(sk);
+
+	sk = bpf_map_lookup_elem(&redir_map, &KEY_SERVER_B);
+	if (!sk)
+		goto out;
+	err = bpf_sk_assign(ctx, sk, BPF_SK_LOOKUP_F_REPLACE);
+	if (err) {
+		bpf_printk("sk_assign returned %d, expected 0\n", err);
+		goto out;
+	}
+
+	ret = SK_PASS; /* Success, redirect to KEY_SERVER_B */
+out:
+	if (sk)
+		bpf_sk_release(sk);
+	return ret;
+}
+
+/* Check that bpf_sk_assign(sk=NULL) is accepted. */
+SEC("sk_lookup")
+int sk_assign_null(struct bpf_sk_lookup *ctx)
+{
+	struct bpf_sock *sk = NULL;
+	int err, ret;
+
+	ret = SK_DROP;
+
+	err = bpf_sk_assign(ctx, NULL, 0);
+	if (err) {
+		bpf_printk("sk_assign returned %d, expected 0\n", err);
+		goto out;
+	}
+
+	sk = bpf_map_lookup_elem(&redir_map, &KEY_SERVER_B);
+	if (!sk)
+		goto out;
+	err = bpf_sk_assign(ctx, sk, BPF_SK_LOOKUP_F_REPLACE);
+	if (err) {
+		bpf_printk("sk_assign returned %d, expected 0\n", err);
+		goto out;
+	}
+
+	if (ctx->sk != sk)
+		goto out;
+	err = bpf_sk_assign(ctx, NULL, 0);
+	if (err != -EEXIST)
+		goto out;
+	err = bpf_sk_assign(ctx, NULL, BPF_SK_LOOKUP_F_REPLACE);
+	if (err)
+		goto out;
+	err = bpf_sk_assign(ctx, sk, BPF_SK_LOOKUP_F_REPLACE);
+	if (err)
+		goto out;
+
+	ret = SK_PASS; /* Success, redirect to KEY_SERVER_B */
+out:
+	if (sk)
+		bpf_sk_release(sk);
+	return ret;
+}
+
+/* Check that selected sk is accessible through context. */
+SEC("sk_lookup")
+int access_ctx_sk(struct bpf_sk_lookup *ctx)
+{
+	struct bpf_sock *sk1 = NULL, *sk2 = NULL;
+	int err, ret;
+
+	ret = SK_DROP;
+
+	/* Try accessing unassigned (NULL) ctx->sk field */
+	if (ctx->sk && ctx->sk->family != AF_INET)
+		goto out;
+
+	/* Assign a value to ctx->sk */
+	sk1 = bpf_map_lookup_elem(&redir_map, &KEY_SERVER_A);
+	if (!sk1)
+		goto out;
+	err = bpf_sk_assign(ctx, sk1, 0);
+	if (err)
+		goto out;
+	if (ctx->sk != sk1)
+		goto out;
+
+	/* Access ctx->sk fields */
+	if (ctx->sk->family != AF_INET ||
+	    ctx->sk->type != SOCK_STREAM ||
+	    ctx->sk->state != BPF_TCP_LISTEN)
+		goto out;
+
+	/* Reset selection */
+	err = bpf_sk_assign(ctx, NULL, BPF_SK_LOOKUP_F_REPLACE);
+	if (err)
+		goto out;
+	if (ctx->sk)
+		goto out;
+
+	/* Assign another socket */
+	sk2 = bpf_map_lookup_elem(&redir_map, &KEY_SERVER_B);
+	if (!sk2)
+		goto out;
+	err = bpf_sk_assign(ctx, sk2, BPF_SK_LOOKUP_F_REPLACE);
+	if (err)
+		goto out;
+	if (ctx->sk != sk2)
+		goto out;
+
+	/* Access reassigned ctx->sk fields */
+	if (ctx->sk->family != AF_INET ||
+	    ctx->sk->type != SOCK_STREAM ||
+	    ctx->sk->state != BPF_TCP_LISTEN)
+		goto out;
+
+	ret = SK_PASS; /* Success, redirect to KEY_SERVER_B */
+out:
+	if (sk1)
+		bpf_sk_release(sk1);
+	if (sk2)
+		bpf_sk_release(sk2);
+	return ret;
+}
+
+/* Check narrow loads from ctx fields that support them.
+ *
+ * Narrow loads of size >= target field size from a non-zero offset
+ * are not covered because they give bogus results, that is the
+ * verifier ignores the offset.
+ */
+SEC("sk_lookup")
+int ctx_narrow_access(struct bpf_sk_lookup *ctx)
+{
+	struct bpf_sock *sk;
+	int err, family;
+	__u32 val_u32;
+	bool v4;
+
+	v4 = (ctx->family == AF_INET);
+
+	/* Narrow loads from family field */
+	if (LSB(ctx->family, 0) != (v4 ? AF_INET : AF_INET6) ||
+	    LSB(ctx->family, 1) != 0 || LSB(ctx->family, 2) != 0 || LSB(ctx->family, 3) != 0)
+		return SK_DROP;
+	if (LSW(ctx->family, 0) != (v4 ? AF_INET : AF_INET6))
+		return SK_DROP;
+
+	/* Narrow loads from protocol field */
+	if (LSB(ctx->protocol, 0) != IPPROTO_TCP ||
+	    LSB(ctx->protocol, 1) != 0 || LSB(ctx->protocol, 2) != 0 || LSB(ctx->protocol, 3) != 0)
+		return SK_DROP;
+	if (LSW(ctx->protocol, 0) != IPPROTO_TCP)
+		return SK_DROP;
+
+	/* Narrow loads from remote_port field. Expect SRC_PORT. */
+	if (LSB(ctx->remote_port, 0) != ((SRC_PORT >> 0) & 0xff) ||
+	    LSB(ctx->remote_port, 1) != ((SRC_PORT >> 8) & 0xff))
+		return SK_DROP;
+	if (LSW(ctx->remote_port, 0) != SRC_PORT)
+		return SK_DROP;
+
+	/*
+	 * NOTE: 4-byte load from bpf_sk_lookup at remote_port offset
+	 * is quirky. It gets rewritten by the access converter to a
+	 * 2-byte load for backward compatibility. Treating the load
+	 * result as a be16 value makes the code portable across
+	 * little- and big-endian platforms.
+	 */
+	val_u32 = *(__u32 *)&ctx->remote_port;
+	if (val_u32 != SRC_PORT)
+		return SK_DROP;
+
+	/* Narrow loads from local_port field. Expect DST_PORT. */
+	if (LSB(ctx->local_port, 0) != ((DST_PORT >> 0) & 0xff) ||
+	    LSB(ctx->local_port, 1) != ((DST_PORT >> 8) & 0xff) ||
+	    LSB(ctx->local_port, 2) != 0 || LSB(ctx->local_port, 3) != 0)
+		return SK_DROP;
+	if (LSW(ctx->local_port, 0) != DST_PORT)
+		return SK_DROP;
+
+	/* Narrow loads from IPv4 fields */
+	if (v4) {
+		/* Expect SRC_IP4 in remote_ip4 */
+		if (LSB(ctx->remote_ip4, 0) != ((SRC_IP4 >> 0) & 0xff) ||
+		    LSB(ctx->remote_ip4, 1) != ((SRC_IP4 >> 8) & 0xff) ||
+		    LSB(ctx->remote_ip4, 2) != ((SRC_IP4 >> 16) & 0xff) ||
+		    LSB(ctx->remote_ip4, 3) != ((SRC_IP4 >> 24) & 0xff))
+			return SK_DROP;
+		if (LSW(ctx->remote_ip4, 0) != ((SRC_IP4 >> 0) & 0xffff) ||
+		    LSW(ctx->remote_ip4, 1) != ((SRC_IP4 >> 16) & 0xffff))
+			return SK_DROP;
+
+		/* Expect DST_IP4 in local_ip4 */
+		if (LSB(ctx->local_ip4, 0) != ((DST_IP4 >> 0) & 0xff) ||
+		    LSB(ctx->local_ip4, 1) != ((DST_IP4 >> 8) & 0xff) ||
+		    LSB(ctx->local_ip4, 2) != ((DST_IP4 >> 16) & 0xff) ||
+		    LSB(ctx->local_ip4, 3) != ((DST_IP4 >> 24) & 0xff))
+			return SK_DROP;
+		if (LSW(ctx->local_ip4, 0) != ((DST_IP4 >> 0) & 0xffff) ||
+		    LSW(ctx->local_ip4, 1) != ((DST_IP4 >> 16) & 0xffff))
+			return SK_DROP;
+	} else {
+		/* Expect 0.0.0.0 IPs when family != AF_INET */
+		if (LSB(ctx->remote_ip4, 0) != 0 || LSB(ctx->remote_ip4, 1) != 0 ||
+		    LSB(ctx->remote_ip4, 2) != 0 || LSB(ctx->remote_ip4, 3) != 0)
+			return SK_DROP;
+		if (LSW(ctx->remote_ip4, 0) != 0 || LSW(ctx->remote_ip4, 1) != 0)
+			return SK_DROP;
+
+		if (LSB(ctx->local_ip4, 0) != 0 || LSB(ctx->local_ip4, 1) != 0 ||
+		    LSB(ctx->local_ip4, 2) != 0 || LSB(ctx->local_ip4, 3) != 0)
+			return SK_DROP;
+		if (LSW(ctx->local_ip4, 0) != 0 || LSW(ctx->local_ip4, 1) != 0)
+			return SK_DROP;
+	}
+
+	/* Narrow loads from IPv6 fields */
+	if (!v4) {
+		/* Expect SRC_IP6 in remote_ip6 */
+		if (LSB(ctx->remote_ip6[0], 0) != ((SRC_IP6[0] >> 0) & 0xff) ||
+		    LSB(ctx->remote_ip6[0], 1) != ((SRC_IP6[0] >> 8) & 0xff) ||
+		    LSB(ctx->remote_ip6[0], 2) != ((SRC_IP6[0] >> 16) & 0xff) ||
+		    LSB(ctx->remote_ip6[0], 3) != ((SRC_IP6[0] >> 24) & 0xff) ||
+		    LSB(ctx->remote_ip6[1], 0) != ((SRC_IP6[1] >> 0) & 0xff) ||
+		    LSB(ctx->remote_ip6[1], 1) != ((SRC_IP6[1] >> 8) & 0xff) ||
+		    LSB(ctx->remote_ip6[1], 2) != ((SRC_IP6[1] >> 16) & 0xff) ||
+		    LSB(ctx->remote_ip6[1], 3) != ((SRC_IP6[1] >> 24) & 0xff) ||
+		    LSB(ctx->remote_ip6[2], 0) != ((SRC_IP6[2] >> 0) & 0xff) ||
+		    LSB(ctx->remote_ip6[2], 1) != ((SRC_IP6[2] >> 8) & 0xff) ||
+		    LSB(ctx->remote_ip6[2], 2) != ((SRC_IP6[2] >> 16) & 0xff) ||
+		    LSB(ctx->remote_ip6[2], 3) != ((SRC_IP6[2] >> 24) & 0xff) ||
+		    LSB(ctx->remote_ip6[3], 0) != ((SRC_IP6[3] >> 0) & 0xff) ||
+		    LSB(ctx->remote_ip6[3], 1) != ((SRC_IP6[3] >> 8) & 0xff) ||
+		    LSB(ctx->remote_ip6[3], 2) != ((SRC_IP6[3] >> 16) & 0xff) ||
+		    LSB(ctx->remote_ip6[3], 3) != ((SRC_IP6[3] >> 24) & 0xff))
+			return SK_DROP;
+		if (LSW(ctx->remote_ip6[0], 0) != ((SRC_IP6[0] >> 0) & 0xffff) ||
+		    LSW(ctx->remote_ip6[0], 1) != ((SRC_IP6[0] >> 16) & 0xffff) ||
+		    LSW(ctx->remote_ip6[1], 0) != ((SRC_IP6[1] >> 0) & 0xffff) ||
+		    LSW(ctx->remote_ip6[1], 1) != ((SRC_IP6[1] >> 16) & 0xffff) ||
+		    LSW(ctx->remote_ip6[2], 0) != ((SRC_IP6[2] >> 0) & 0xffff) ||
+		    LSW(ctx->remote_ip6[2], 1) != ((SRC_IP6[2] >> 16) & 0xffff) ||
+		    LSW(ctx->remote_ip6[3], 0) != ((SRC_IP6[3] >> 0) & 0xffff) ||
+		    LSW(ctx->remote_ip6[3], 1) != ((SRC_IP6[3] >> 16) & 0xffff))
+			return SK_DROP;
+		/* Expect DST_IP6 in local_ip6 */
+		if (LSB(ctx->local_ip6[0], 0) != ((DST_IP6[0] >> 0) & 0xff) ||
+		    LSB(ctx->local_ip6[0], 1) != ((DST_IP6[0] >> 8) & 0xff) ||
+		    LSB(ctx->local_ip6[0], 2) != ((DST_IP6[0] >> 16) & 0xff) ||
+		    LSB(ctx->local_ip6[0], 3) != ((DST_IP6[0] >> 24) & 0xff) ||
+		    LSB(ctx->local_ip6[1], 0) != ((DST_IP6[1] >> 0) & 0xff) ||
+		    LSB(ctx->local_ip6[1], 1) != ((DST_IP6[1] >> 8) & 0xff) ||
+		    LSB(ctx->local_ip6[1], 2) != ((DST_IP6[1] >> 16) & 0xff) ||
+		    LSB(ctx->local_ip6[1], 3) != ((DST_IP6[1] >> 24) & 0xff) ||
+		    LSB(ctx->local_ip6[2], 0) != ((DST_IP6[2] >> 0) & 0xff) ||
+		    LSB(ctx->local_ip6[2], 1) != ((DST_IP6[2] >> 8) & 0xff) ||
+		    LSB(ctx->local_ip6[2], 2) != ((DST_IP6[2] >> 16) & 0xff) ||
+		    LSB(ctx->local_ip6[2], 3) != ((DST_IP6[2] >> 24) & 0xff) ||
+		    LSB(ctx->local_ip6[3], 0) != ((DST_IP6[3] >> 0) & 0xff) ||
+		    LSB(ctx->local_ip6[3], 1) != ((DST_IP6[3] >> 8) & 0xff) ||
+		    LSB(ctx->local_ip6[3], 2) != ((DST_IP6[3] >> 16) & 0xff) ||
+		    LSB(ctx->local_ip6[3], 3) != ((DST_IP6[3] >> 24) & 0xff))
+			return SK_DROP;
+		if (LSW(ctx->local_ip6[0], 0) != ((DST_IP6[0] >> 0) & 0xffff) ||
+		    LSW(ctx->local_ip6[0], 1) != ((DST_IP6[0] >> 16) & 0xffff) ||
+		    LSW(ctx->local_ip6[1], 0) != ((DST_IP6[1] >> 0) & 0xffff) ||
+		    LSW(ctx->local_ip6[1], 1) != ((DST_IP6[1] >> 16) & 0xffff) ||
+		    LSW(ctx->local_ip6[2], 0) != ((DST_IP6[2] >> 0) & 0xffff) ||
+		    LSW(ctx->local_ip6[2], 1) != ((DST_IP6[2] >> 16) & 0xffff) ||
+		    LSW(ctx->local_ip6[3], 0) != ((DST_IP6[3] >> 0) & 0xffff) ||
+		    LSW(ctx->local_ip6[3], 1) != ((DST_IP6[3] >> 16) & 0xffff))
+			return SK_DROP;
+	} else {
+		/* Expect :: IPs when family != AF_INET6 */
+		if (LSB(ctx->remote_ip6[0], 0) != 0 || LSB(ctx->remote_ip6[0], 1) != 0 ||
+		    LSB(ctx->remote_ip6[0], 2) != 0 || LSB(ctx->remote_ip6[0], 3) != 0 ||
+		    LSB(ctx->remote_ip6[1], 0) != 0 || LSB(ctx->remote_ip6[1], 1) != 0 ||
+		    LSB(ctx->remote_ip6[1], 2) != 0 || LSB(ctx->remote_ip6[1], 3) != 0 ||
+		    LSB(ctx->remote_ip6[2], 0) != 0 || LSB(ctx->remote_ip6[2], 1) != 0 ||
+		    LSB(ctx->remote_ip6[2], 2) != 0 || LSB(ctx->remote_ip6[2], 3) != 0 ||
+		    LSB(ctx->remote_ip6[3], 0) != 0 || LSB(ctx->remote_ip6[3], 1) != 0 ||
+		    LSB(ctx->remote_ip6[3], 2) != 0 || LSB(ctx->remote_ip6[3], 3) != 0)
+			return SK_DROP;
+		if (LSW(ctx->remote_ip6[0], 0) != 0 || LSW(ctx->remote_ip6[0], 1) != 0 ||
+		    LSW(ctx->remote_ip6[1], 0) != 0 || LSW(ctx->remote_ip6[1], 1) != 0 ||
+		    LSW(ctx->remote_ip6[2], 0) != 0 || LSW(ctx->remote_ip6[2], 1) != 0 ||
+		    LSW(ctx->remote_ip6[3], 0) != 0 || LSW(ctx->remote_ip6[3], 1) != 0)
+			return SK_DROP;
+
+		if (LSB(ctx->local_ip6[0], 0) != 0 || LSB(ctx->local_ip6[0], 1) != 0 ||
+		    LSB(ctx->local_ip6[0], 2) != 0 || LSB(ctx->local_ip6[0], 3) != 0 ||
+		    LSB(ctx->local_ip6[1], 0) != 0 || LSB(ctx->local_ip6[1], 1) != 0 ||
+		    LSB(ctx->local_ip6[1], 2) != 0 || LSB(ctx->local_ip6[1], 3) != 0 ||
+		    LSB(ctx->local_ip6[2], 0) != 0 || LSB(ctx->local_ip6[2], 1) != 0 ||
+		    LSB(ctx->local_ip6[2], 2) != 0 || LSB(ctx->local_ip6[2], 3) != 0 ||
+		    LSB(ctx->local_ip6[3], 0) != 0 || LSB(ctx->local_ip6[3], 1) != 0 ||
+		    LSB(ctx->local_ip6[3], 2) != 0 || LSB(ctx->local_ip6[3], 3) != 0)
+			return SK_DROP;
+		if (LSW(ctx->remote_ip6[0], 0) != 0 || LSW(ctx->remote_ip6[0], 1) != 0 ||
+		    LSW(ctx->remote_ip6[1], 0) != 0 || LSW(ctx->remote_ip6[1], 1) != 0 ||
+		    LSW(ctx->remote_ip6[2], 0) != 0 || LSW(ctx->remote_ip6[2], 1) != 0 ||
+		    LSW(ctx->remote_ip6[3], 0) != 0 || LSW(ctx->remote_ip6[3], 1) != 0)
+			return SK_DROP;
+	}
+
+	/* Success, redirect to KEY_SERVER_B */
+	sk = bpf_map_lookup_elem(&redir_map, &KEY_SERVER_B);
+	if (sk) {
+		bpf_sk_assign(ctx, sk, 0);
+		bpf_sk_release(sk);
+	}
+	return SK_PASS;
+}
+
+/* Check that sk_assign rejects SERVER_A socket with -ESOCKNOSUPPORT */
+SEC("sk_lookup")
+int sk_assign_esocknosupport(struct bpf_sk_lookup *ctx)
+{
+	struct bpf_sock *sk;
+	int err, ret;
+
+	ret = SK_DROP;
+	sk = bpf_map_lookup_elem(&redir_map, &KEY_SERVER_A);
+	if (!sk)
+		goto out;
+
+	err = bpf_sk_assign(ctx, sk, 0);
+	if (err != -ESOCKTNOSUPPORT) {
+		bpf_printk("sk_assign returned %d, expected %d\n",
+			   err, -ESOCKTNOSUPPORT);
+		goto out;
+	}
+
+	ret = SK_PASS; /* Success, pass to regular lookup */
+out:
+	if (sk)
+		bpf_sk_release(sk);
+	return ret;
+}
+
+SEC("sk_lookup")
+int multi_prog_pass1(struct bpf_sk_lookup *ctx)
+{
+	bpf_map_update_elem(&run_map, &KEY_PROG1, &PROG_DONE, BPF_ANY);
+	return SK_PASS;
+}
+
+SEC("sk_lookup")
+int multi_prog_pass2(struct bpf_sk_lookup *ctx)
+{
+	bpf_map_update_elem(&run_map, &KEY_PROG2, &PROG_DONE, BPF_ANY);
+	return SK_PASS;
+}
+
+SEC("sk_lookup")
+int multi_prog_drop1(struct bpf_sk_lookup *ctx)
+{
+	bpf_map_update_elem(&run_map, &KEY_PROG1, &PROG_DONE, BPF_ANY);
+	return SK_DROP;
+}
+
+SEC("sk_lookup")
+int multi_prog_drop2(struct bpf_sk_lookup *ctx)
+{
+	bpf_map_update_elem(&run_map, &KEY_PROG2, &PROG_DONE, BPF_ANY);
+	return SK_DROP;
+}
+
+static __always_inline int select_server_a(struct bpf_sk_lookup *ctx)
+{
+	struct bpf_sock *sk;
+	int err;
+
+	sk = bpf_map_lookup_elem(&redir_map, &KEY_SERVER_A);
+	if (!sk)
+		return SK_DROP;
+
+	err = bpf_sk_assign(ctx, sk, 0);
+	bpf_sk_release(sk);
+	if (err)
+		return SK_DROP;
+
+	return SK_PASS;
+}
+
+SEC("sk_lookup")
+int multi_prog_redir1(struct bpf_sk_lookup *ctx)
+{
+	int ret;
+
+	ret = select_server_a(ctx);
+	bpf_map_update_elem(&run_map, &KEY_PROG1, &PROG_DONE, BPF_ANY);
+	return SK_PASS;
+}
+
+SEC("sk_lookup")
+int multi_prog_redir2(struct bpf_sk_lookup *ctx)
+{
+	int ret;
+
+	ret = select_server_a(ctx);
+	bpf_map_update_elem(&run_map, &KEY_PROG2, &PROG_DONE, BPF_ANY);
+	return SK_PASS;
+}
+
+char _license[] SEC("license") = "Dual BSD/GPL";
diff --git a/tools/testing/selftests/bpf/progs/test_sk_lookup_kern.c b/tools/testing/selftests/bpf/progs/test_sk_lookup_kern.c
new file mode 100644
index 000000000..b502e5c92
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_sk_lookup_kern.c
@@ -0,0 +1,180 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+// Copyright (c) 2018 Covalent IO, Inc. http://covalent.io
+
+#include <stddef.h>
+#include <stdbool.h>
+#include <string.h>
+#include <linux/bpf.h>
+#include <linux/if_ether.h>
+#include <linux/in.h>
+#include <linux/ip.h>
+#include <linux/ipv6.h>
+#include <linux/pkt_cls.h>
+#include <linux/tcp.h>
+#include <sys/socket.h>
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_endian.h>
+
+char _license[] SEC("license") = "GPL";
+
+/* Fill 'tuple' with L3 info, and attempt to find L4. On fail, return NULL. */
+static struct bpf_sock_tuple *get_tuple(void *data, __u64 nh_off,
+					void *data_end, __u16 eth_proto,
+					bool *ipv4)
+{
+	struct bpf_sock_tuple *result;
+	__u8 proto = 0;
+	__u64 ihl_len;
+
+	if (eth_proto == bpf_htons(ETH_P_IP)) {
+		struct iphdr *iph = (struct iphdr *)(data + nh_off);
+
+		if (iph + 1 > data_end)
+			return NULL;
+		ihl_len = iph->ihl * 4;
+		proto = iph->protocol;
+		*ipv4 = true;
+		result = (struct bpf_sock_tuple *)&iph->saddr;
+	} else if (eth_proto == bpf_htons(ETH_P_IPV6)) {
+		struct ipv6hdr *ip6h = (struct ipv6hdr *)(data + nh_off);
+
+		if (ip6h + 1 > data_end)
+			return NULL;
+		ihl_len = sizeof(*ip6h);
+		proto = ip6h->nexthdr;
+		*ipv4 = true;
+		result = (struct bpf_sock_tuple *)&ip6h->saddr;
+	}
+
+	if (data + nh_off + ihl_len > data_end || proto != IPPROTO_TCP)
+		return NULL;
+
+	return result;
+}
+
+SEC("?tc")
+int sk_lookup_success(struct __sk_buff *skb)
+{
+	void *data_end = (void *)(long)skb->data_end;
+	void *data = (void *)(long)skb->data;
+	struct ethhdr *eth = (struct ethhdr *)(data);
+	struct bpf_sock_tuple *tuple;
+	struct bpf_sock *sk;
+	size_t tuple_len;
+	bool ipv4;
+
+	if (eth + 1 > data_end)
+		return TC_ACT_SHOT;
+
+	tuple = get_tuple(data, sizeof(*eth), data_end, eth->h_proto, &ipv4);
+	if (!tuple || tuple + sizeof *tuple > data_end)
+		return TC_ACT_SHOT;
+
+	tuple_len = ipv4 ? sizeof(tuple->ipv4) : sizeof(tuple->ipv6);
+	sk = bpf_sk_lookup_tcp(skb, tuple, tuple_len, BPF_F_CURRENT_NETNS, 0);
+	bpf_printk("sk=%d\n", sk ? 1 : 0);
+	if (sk)
+		bpf_sk_release(sk);
+	return sk ? TC_ACT_OK : TC_ACT_UNSPEC;
+}
+
+SEC("?tc")
+int sk_lookup_success_simple(struct __sk_buff *skb)
+{
+	struct bpf_sock_tuple tuple = {};
+	struct bpf_sock *sk;
+
+	sk = bpf_sk_lookup_tcp(skb, &tuple, sizeof(tuple), BPF_F_CURRENT_NETNS, 0);
+	if (sk)
+		bpf_sk_release(sk);
+	return 0;
+}
+
+SEC("?tc")
+int err_use_after_free(struct __sk_buff *skb)
+{
+	struct bpf_sock_tuple tuple = {};
+	struct bpf_sock *sk;
+	__u32 family = 0;
+
+	sk = bpf_sk_lookup_tcp(skb, &tuple, sizeof(tuple), BPF_F_CURRENT_NETNS, 0);
+	if (sk) {
+		bpf_sk_release(sk);
+		family = sk->family;
+	}
+	return family;
+}
+
+SEC("?tc")
+int err_modify_sk_pointer(struct __sk_buff *skb)
+{
+	struct bpf_sock_tuple tuple = {};
+	struct bpf_sock *sk;
+	__u32 family;
+
+	sk = bpf_sk_lookup_tcp(skb, &tuple, sizeof(tuple), BPF_F_CURRENT_NETNS, 0);
+	if (sk) {
+		sk += 1;
+		bpf_sk_release(sk);
+	}
+	return 0;
+}
+
+SEC("?tc")
+int err_modify_sk_or_null_pointer(struct __sk_buff *skb)
+{
+	struct bpf_sock_tuple tuple = {};
+	struct bpf_sock *sk;
+	__u32 family;
+
+	sk = bpf_sk_lookup_tcp(skb, &tuple, sizeof(tuple), BPF_F_CURRENT_NETNS, 0);
+	sk += 1;
+	if (sk)
+		bpf_sk_release(sk);
+	return 0;
+}
+
+SEC("?tc")
+int err_no_release(struct __sk_buff *skb)
+{
+	struct bpf_sock_tuple tuple = {};
+
+	bpf_sk_lookup_tcp(skb, &tuple, sizeof(tuple), BPF_F_CURRENT_NETNS, 0);
+	return 0;
+}
+
+SEC("?tc")
+int err_release_twice(struct __sk_buff *skb)
+{
+	struct bpf_sock_tuple tuple = {};
+	struct bpf_sock *sk;
+
+	sk = bpf_sk_lookup_tcp(skb, &tuple, sizeof(tuple), BPF_F_CURRENT_NETNS, 0);
+	bpf_sk_release(sk);
+	bpf_sk_release(sk);
+	return 0;
+}
+
+SEC("?tc")
+int err_release_unchecked(struct __sk_buff *skb)
+{
+	struct bpf_sock_tuple tuple = {};
+	struct bpf_sock *sk;
+
+	sk = bpf_sk_lookup_tcp(skb, &tuple, sizeof(tuple), BPF_F_CURRENT_NETNS, 0);
+	bpf_sk_release(sk);
+	return 0;
+}
+
+void lookup_no_release(struct __sk_buff *skb)
+{
+	struct bpf_sock_tuple tuple = {};
+	bpf_sk_lookup_tcp(skb, &tuple, sizeof(tuple), BPF_F_CURRENT_NETNS, 0);
+}
+
+SEC("?tc")
+int err_no_release_subcall(struct __sk_buff *skb)
+{
+	lookup_no_release(skb);
+	return 0;
+}
diff --git a/tools/testing/selftests/bpf/progs/test_sk_storage_trace_itself.c b/tools/testing/selftests/bpf/progs/test_sk_storage_trace_itself.c
new file mode 100644
index 000000000..59ef72d02
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_sk_storage_trace_itself.c
@@ -0,0 +1,29 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2020 Facebook */
+
+#include <vmlinux.h>
+#include <bpf/bpf_tracing.h>
+#include <bpf/bpf_helpers.h>
+
+struct {
+	__uint(type, BPF_MAP_TYPE_SK_STORAGE);
+	__uint(map_flags, BPF_F_NO_PREALLOC);
+	__type(key, int);
+	__type(value, int);
+} sk_stg_map SEC(".maps");
+
+SEC("fentry/bpf_sk_storage_free")
+int BPF_PROG(trace_bpf_sk_storage_free, struct sock *sk)
+{
+	int *value;
+
+	value = bpf_sk_storage_get(&sk_stg_map, sk, 0,
+				   BPF_SK_STORAGE_GET_F_CREATE);
+
+	if (value)
+		*value = 1;
+
+	return 0;
+}
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/test_sk_storage_tracing.c b/tools/testing/selftests/bpf/progs/test_sk_storage_tracing.c
new file mode 100644
index 000000000..6dc1f28fc
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_sk_storage_tracing.c
@@ -0,0 +1,95 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2020 Facebook */
+
+#include <vmlinux.h>
+#include <bpf/bpf_tracing.h>
+#include <bpf/bpf_core_read.h>
+#include <bpf/bpf_helpers.h>
+
+struct sk_stg {
+	__u32 pid;
+	__u32 last_notclose_state;
+	char comm[16];
+};
+
+struct {
+	__uint(type, BPF_MAP_TYPE_SK_STORAGE);
+	__uint(map_flags, BPF_F_NO_PREALLOC);
+	__type(key, int);
+	__type(value, struct sk_stg);
+} sk_stg_map SEC(".maps");
+
+/* Testing delete */
+struct {
+	__uint(type, BPF_MAP_TYPE_SK_STORAGE);
+	__uint(map_flags, BPF_F_NO_PREALLOC);
+	__type(key, int);
+	__type(value, int);
+} del_sk_stg_map SEC(".maps");
+
+char task_comm[16] = "";
+
+SEC("tp_btf/inet_sock_set_state")
+int BPF_PROG(trace_inet_sock_set_state, struct sock *sk, int oldstate,
+	     int newstate)
+{
+	struct sk_stg *stg;
+
+	if (newstate == BPF_TCP_CLOSE)
+		return 0;
+
+	stg = bpf_sk_storage_get(&sk_stg_map, sk, 0,
+				 BPF_SK_STORAGE_GET_F_CREATE);
+	if (!stg)
+		return 0;
+
+	stg->last_notclose_state = newstate;
+
+	bpf_sk_storage_delete(&del_sk_stg_map, sk);
+
+	return 0;
+}
+
+static void set_task_info(struct sock *sk)
+{
+	struct task_struct *task;
+	struct sk_stg *stg;
+
+	stg = bpf_sk_storage_get(&sk_stg_map, sk, 0,
+				 BPF_SK_STORAGE_GET_F_CREATE);
+	if (!stg)
+		return;
+
+	stg->pid = bpf_get_current_pid_tgid();
+
+	task = (struct task_struct *)bpf_get_current_task();
+	bpf_core_read_str(&stg->comm, sizeof(stg->comm), &task->comm);
+	bpf_core_read_str(&task_comm, sizeof(task_comm), &task->comm);
+}
+
+SEC("fentry/inet_csk_listen_start")
+int BPF_PROG(trace_inet_csk_listen_start, struct sock *sk)
+{
+	set_task_info(sk);
+
+	return 0;
+}
+
+SEC("fentry/tcp_connect")
+int BPF_PROG(trace_tcp_connect, struct sock *sk)
+{
+	set_task_info(sk);
+
+	return 0;
+}
+
+SEC("fexit/inet_csk_accept")
+int BPF_PROG(inet_csk_accept, struct sock *sk, int flags, int *err, bool kern,
+	     struct sock *accepted_sk)
+{
+	set_task_info(accepted_sk);
+
+	return 0;
+}
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/test_skb_cgroup_id_kern.c b/tools/testing/selftests/bpf/progs/test_skb_cgroup_id_kern.c
new file mode 100644
index 000000000..37aacc66c
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_skb_cgroup_id_kern.c
@@ -0,0 +1,45 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (c) 2018 Facebook
+
+#include <linux/bpf.h>
+#include <linux/pkt_cls.h>
+
+#include <string.h>
+
+#include <bpf/bpf_helpers.h>
+
+#define NUM_CGROUP_LEVELS	4
+
+struct {
+	__uint(type, BPF_MAP_TYPE_ARRAY);
+	__type(key, __u32);
+	__type(value, __u64);
+	__uint(max_entries, NUM_CGROUP_LEVELS);
+} cgroup_ids SEC(".maps");
+
+static __always_inline void log_nth_level(struct __sk_buff *skb, __u32 level)
+{
+	__u64 id;
+
+	/* [1] &level passed to external function that may change it, it's
+	 *     incompatible with loop unroll.
+	 */
+	id = bpf_skb_ancestor_cgroup_id(skb, level);
+	bpf_map_update_elem(&cgroup_ids, &level, &id, 0);
+}
+
+SEC("cgroup_id_logger")
+int log_cgroup_id(struct __sk_buff *skb)
+{
+	/* Loop unroll can't be used here due to [1]. Unrolling manually.
+	 * Number of calls should be in sync with NUM_CGROUP_LEVELS.
+	 */
+	log_nth_level(skb, 0);
+	log_nth_level(skb, 1);
+	log_nth_level(skb, 2);
+	log_nth_level(skb, 3);
+
+	return TC_ACT_OK;
+}
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/test_skb_ctx.c b/tools/testing/selftests/bpf/progs/test_skb_ctx.c
new file mode 100644
index 000000000..c482110cf
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_skb_ctx.c
@@ -0,0 +1,35 @@
+// SPDX-License-Identifier: GPL-2.0
+
+#include <linux/bpf.h>
+#include <bpf/bpf_helpers.h>
+
+char _license[] SEC("license") = "GPL";
+
+SEC("tc")
+int process(struct __sk_buff *skb)
+{
+	#pragma clang loop unroll(full)
+	for (int i = 0; i < 5; i++) {
+		if (skb->cb[i] != i + 1)
+			return 1;
+		skb->cb[i]++;
+	}
+	skb->priority++;
+	skb->tstamp++;
+	skb->mark++;
+
+	if (skb->wire_len != 100)
+		return 1;
+	if (skb->gso_segs != 8)
+		return 1;
+	if (skb->gso_size != 10)
+		return 1;
+	if (skb->ingress_ifindex != 11)
+		return 1;
+	if (skb->ifindex != 1)
+		return 1;
+	if (skb->hwtstamp != 11)
+		return 1;
+
+	return 0;
+}
diff --git a/tools/testing/selftests/bpf/progs/test_skb_helpers.c b/tools/testing/selftests/bpf/progs/test_skb_helpers.c
new file mode 100644
index 000000000..507215791
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_skb_helpers.c
@@ -0,0 +1,28 @@
+// SPDX-License-Identifier: GPL-2.0-only
+#include "vmlinux.h"
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_endian.h>
+
+#define TEST_COMM_LEN 16
+
+struct {
+	__uint(type, BPF_MAP_TYPE_CGROUP_ARRAY);
+	__uint(max_entries, 1);
+	__type(key, u32);
+	__type(value, u32);
+} cgroup_map SEC(".maps");
+
+char _license[] SEC("license") = "GPL";
+
+SEC("tc")
+int test_skb_helpers(struct __sk_buff *skb)
+{
+	struct task_struct *task;
+	char comm[TEST_COMM_LEN];
+	__u32 tpid;
+
+	task = (struct task_struct *)bpf_get_current_task();
+	bpf_probe_read_kernel(&tpid , sizeof(tpid), &task->tgid);
+	bpf_probe_read_kernel_str(&comm, sizeof(comm), &task->comm);
+	return 0;
+}
diff --git a/tools/testing/selftests/bpf/progs/test_skc_to_unix_sock.c b/tools/testing/selftests/bpf/progs/test_skc_to_unix_sock.c
new file mode 100644
index 000000000..eacda9fe0
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_skc_to_unix_sock.c
@@ -0,0 +1,40 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* Copyright (c) 2021 Hengqi Chen */
+
+#include "vmlinux.h"
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_tracing.h>
+#include "bpf_tracing_net.h"
+
+const volatile pid_t my_pid = 0;
+char path[256] = {};
+
+SEC("fentry/unix_listen")
+int BPF_PROG(unix_listen, struct socket *sock, int backlog)
+{
+	pid_t pid = bpf_get_current_pid_tgid() >> 32;
+	struct unix_sock *unix_sk;
+	int i, len;
+
+	if (pid != my_pid)
+		return 0;
+
+	unix_sk = (struct unix_sock *)bpf_skc_to_unix_sock(sock->sk);
+	if (!unix_sk)
+		return 0;
+
+	if (unix_sk->addr->name->sun_path[0])
+		return 0;
+
+	len = unix_sk->addr->len - sizeof(short);
+	path[0] = '@';
+	for (i = 1; i < len; i++) {
+		if (i >= sizeof(struct sockaddr_un))
+			break;
+
+		path[i] = unix_sk->addr->name->sun_path[i];
+	}
+	return 0;
+}
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/test_skeleton.c b/tools/testing/selftests/bpf/progs/test_skeleton.c
new file mode 100644
index 000000000..1a4e93f6d
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_skeleton.c
@@ -0,0 +1,81 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2019 Facebook */
+
+#include <stdbool.h>
+#include <linux/bpf.h>
+#include <bpf/bpf_helpers.h>
+
+#define __read_mostly SEC(".data.read_mostly")
+
+struct s {
+	int a;
+	long long b;
+} __attribute__((packed));
+
+/* .data section */
+int in1 = -1;
+long long in2 = -1;
+
+/* .bss section */
+char in3 = '\0';
+long long in4 __attribute__((aligned(64))) = 0;
+struct s in5 = {};
+
+/* .rodata section */
+const volatile struct {
+	const int in6;
+} in = {};
+
+/* .data section */
+int out1 = -1;
+long long out2 = -1;
+
+/* .bss section */
+char out3 = 0;
+long long out4 = 0;
+int out6 = 0;
+
+extern bool CONFIG_BPF_SYSCALL __kconfig;
+extern int LINUX_KERNEL_VERSION __kconfig;
+bool bpf_syscall = 0;
+int kern_ver = 0;
+
+struct s out5 = {};
+
+
+const volatile int in_dynarr_sz SEC(".rodata.dyn");
+const volatile int in_dynarr[4] SEC(".rodata.dyn") = { -1, -2, -3, -4 };
+
+int out_dynarr[4] SEC(".data.dyn") = { 1, 2, 3, 4 };
+
+int read_mostly_var __read_mostly;
+int out_mostly_var;
+
+char huge_arr[16 * 1024 * 1024];
+
+SEC("raw_tp/sys_enter")
+int handler(const void *ctx)
+{
+	int i;
+
+	out1 = in1;
+	out2 = in2;
+	out3 = in3;
+	out4 = in4;
+	out5 = in5;
+	out6 = in.in6;
+
+	bpf_syscall = CONFIG_BPF_SYSCALL;
+	kern_ver = LINUX_KERNEL_VERSION;
+
+	for (i = 0; i < in_dynarr_sz; i++)
+		out_dynarr[i] = in_dynarr[i];
+
+	out_mostly_var = read_mostly_var;
+
+	huge_arr[sizeof(huge_arr) - 1] = 123;
+
+	return 0;
+}
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/test_skmsg_load_helpers.c b/tools/testing/selftests/bpf/progs/test_skmsg_load_helpers.c
new file mode 100644
index 000000000..45e8fc75a
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_skmsg_load_helpers.c
@@ -0,0 +1,47 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (c) 2020 Isovalent, Inc.
+#include "vmlinux.h"
+#include <bpf/bpf_helpers.h>
+
+struct {
+	__uint(type, BPF_MAP_TYPE_SOCKMAP);
+	__uint(max_entries, 2);
+	__type(key, __u32);
+	__type(value, __u64);
+} sock_map SEC(".maps");
+
+struct {
+	__uint(type, BPF_MAP_TYPE_SOCKHASH);
+	__uint(max_entries, 2);
+	__type(key, __u32);
+	__type(value, __u64);
+} sock_hash SEC(".maps");
+
+struct {
+	__uint(type, BPF_MAP_TYPE_SK_STORAGE);
+	__uint(map_flags, BPF_F_NO_PREALLOC);
+	__type(key, __u32);
+	__type(value, __u64);
+} socket_storage SEC(".maps");
+
+SEC("sk_msg")
+int prog_msg_verdict(struct sk_msg_md *msg)
+{
+	struct task_struct *task = (struct task_struct *)bpf_get_current_task();
+	int verdict = SK_PASS;
+	__u32 pid, tpid;
+	__u64 *sk_stg;
+
+	pid = bpf_get_current_pid_tgid() >> 32;
+	sk_stg = bpf_sk_storage_get(&socket_storage, msg->sk, 0, BPF_SK_STORAGE_GET_F_CREATE);
+	if (!sk_stg)
+		return SK_DROP;
+	*sk_stg = pid;
+	bpf_probe_read_kernel(&tpid , sizeof(tpid), &task->tgid);
+	if (pid != tpid)
+		verdict = SK_DROP;
+	bpf_sk_storage_delete(&socket_storage, (void *)msg->sk);
+	return verdict;
+}
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/test_snprintf.c b/tools/testing/selftests/bpf/progs/test_snprintf.c
new file mode 100644
index 000000000..8fda07544
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_snprintf.c
@@ -0,0 +1,77 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2021 Google LLC. */
+
+#include <linux/bpf.h>
+#include <bpf/bpf_helpers.h>
+
+__u32 pid = 0;
+
+char num_out[64] = {};
+long num_ret = 0;
+
+char ip_out[64] = {};
+long ip_ret = 0;
+
+char sym_out[64] = {};
+long sym_ret = 0;
+
+char addr_out[64] = {};
+long addr_ret = 0;
+
+char str_out[64] = {};
+long str_ret = 0;
+
+char over_out[6] = {};
+long over_ret = 0;
+
+char pad_out[10] = {};
+long pad_ret = 0;
+
+char noarg_out[64] = {};
+long noarg_ret = 0;
+
+long nobuf_ret = 0;
+
+extern const void schedule __ksym;
+
+SEC("raw_tp/sys_enter")
+int handler(const void *ctx)
+{
+	/* Convenient values to pretty-print */
+	const __u8 ex_ipv4[] = {127, 0, 0, 1};
+	const __u8 ex_ipv6[] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1};
+	static const char str1[] = "str1";
+	static const char longstr[] = "longstr";
+
+	if ((int)bpf_get_current_pid_tgid() != pid)
+		return 0;
+
+	/* Integer types */
+	num_ret  = BPF_SNPRINTF(num_out, sizeof(num_out),
+				"%d %u %x %li %llu %lX",
+				-8, 9, 150, -424242, 1337, 0xDABBAD00);
+	/* IP addresses */
+	ip_ret   = BPF_SNPRINTF(ip_out, sizeof(ip_out), "%pi4 %pI6",
+				&ex_ipv4, &ex_ipv6);
+	/* Symbol lookup formatting */
+	sym_ret  = BPF_SNPRINTF(sym_out,  sizeof(sym_out), "%ps %pS %pB",
+				&schedule, &schedule, &schedule);
+	/* Kernel pointers */
+	addr_ret = BPF_SNPRINTF(addr_out, sizeof(addr_out), "%pK %px %p",
+				0, 0xFFFF00000ADD4E55, 0xFFFF00000ADD4E55);
+	/* Strings and single-byte character embedding */
+	str_ret  = BPF_SNPRINTF(str_out, sizeof(str_out), "%s % 9c %+2c %-3c %04c %0c %+05s",
+				str1, 'a', 'b', 'c', 'd', 'e', longstr);
+	/* Overflow */
+	over_ret = BPF_SNPRINTF(over_out, sizeof(over_out), "%%overflow");
+	/* Padding of fixed width numbers */
+	pad_ret = BPF_SNPRINTF(pad_out, sizeof(pad_out), "%5d %0900000X", 4, 4);
+	/* No args */
+	noarg_ret = BPF_SNPRINTF(noarg_out, sizeof(noarg_out), "simple case");
+	/* No buffer */
+	nobuf_ret = BPF_SNPRINTF(NULL, 0, "only interested in length %d", 60);
+
+	return 0;
+}
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/test_snprintf_single.c b/tools/testing/selftests/bpf/progs/test_snprintf_single.c
new file mode 100644
index 000000000..309583733
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_snprintf_single.c
@@ -0,0 +1,20 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2021 Google LLC. */
+
+#include <linux/bpf.h>
+#include <bpf/bpf_helpers.h>
+
+/* The format string is filled from the userspace such that loading fails */
+const char fmt[10];
+
+SEC("raw_tp/sys_enter")
+int handler(const void *ctx)
+{
+	unsigned long long arg = 42;
+
+	bpf_snprintf(NULL, 0, fmt, &arg, sizeof(arg));
+
+	return 0;
+}
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/test_sock_fields.c b/tools/testing/selftests/bpf/progs/test_sock_fields.c
new file mode 100644
index 000000000..9f4b8f9f1
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_sock_fields.c
@@ -0,0 +1,304 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2019 Facebook */
+
+#include <linux/bpf.h>
+#include <netinet/in.h>
+#include <stdbool.h>
+
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_endian.h>
+#include "bpf_tcp_helpers.h"
+
+enum bpf_linum_array_idx {
+	EGRESS_LINUM_IDX,
+	INGRESS_LINUM_IDX,
+	READ_SK_DST_PORT_LINUM_IDX,
+	__NR_BPF_LINUM_ARRAY_IDX,
+};
+
+struct {
+	__uint(type, BPF_MAP_TYPE_ARRAY);
+	__uint(max_entries, __NR_BPF_LINUM_ARRAY_IDX);
+	__type(key, __u32);
+	__type(value, __u32);
+} linum_map SEC(".maps");
+
+struct bpf_spinlock_cnt {
+	struct bpf_spin_lock lock;
+	__u32 cnt;
+};
+
+struct {
+	__uint(type, BPF_MAP_TYPE_SK_STORAGE);
+	__uint(map_flags, BPF_F_NO_PREALLOC);
+	__type(key, int);
+	__type(value, struct bpf_spinlock_cnt);
+} sk_pkt_out_cnt SEC(".maps");
+
+struct {
+	__uint(type, BPF_MAP_TYPE_SK_STORAGE);
+	__uint(map_flags, BPF_F_NO_PREALLOC);
+	__type(key, int);
+	__type(value, struct bpf_spinlock_cnt);
+} sk_pkt_out_cnt10 SEC(".maps");
+
+struct bpf_tcp_sock listen_tp = {};
+struct sockaddr_in6 srv_sa6 = {};
+struct bpf_tcp_sock cli_tp = {};
+struct bpf_tcp_sock srv_tp = {};
+struct bpf_sock listen_sk = {};
+struct bpf_sock srv_sk = {};
+struct bpf_sock cli_sk = {};
+__u64 parent_cg_id = 0;
+__u64 child_cg_id = 0;
+__u64 lsndtime = 0;
+
+static bool is_loopback6(__u32 *a6)
+{
+	return !a6[0] && !a6[1] && !a6[2] && a6[3] == bpf_htonl(1);
+}
+
+static void skcpy(struct bpf_sock *dst,
+		  const struct bpf_sock *src)
+{
+	dst->bound_dev_if = src->bound_dev_if;
+	dst->family = src->family;
+	dst->type = src->type;
+	dst->protocol = src->protocol;
+	dst->mark = src->mark;
+	dst->priority = src->priority;
+	dst->src_ip4 = src->src_ip4;
+	dst->src_ip6[0] = src->src_ip6[0];
+	dst->src_ip6[1] = src->src_ip6[1];
+	dst->src_ip6[2] = src->src_ip6[2];
+	dst->src_ip6[3] = src->src_ip6[3];
+	dst->src_port = src->src_port;
+	dst->dst_ip4 = src->dst_ip4;
+	dst->dst_ip6[0] = src->dst_ip6[0];
+	dst->dst_ip6[1] = src->dst_ip6[1];
+	dst->dst_ip6[2] = src->dst_ip6[2];
+	dst->dst_ip6[3] = src->dst_ip6[3];
+	dst->dst_port = src->dst_port;
+	dst->state = src->state;
+}
+
+static void tpcpy(struct bpf_tcp_sock *dst,
+		  const struct bpf_tcp_sock *src)
+{
+	dst->snd_cwnd = src->snd_cwnd;
+	dst->srtt_us = src->srtt_us;
+	dst->rtt_min = src->rtt_min;
+	dst->snd_ssthresh = src->snd_ssthresh;
+	dst->rcv_nxt = src->rcv_nxt;
+	dst->snd_nxt = src->snd_nxt;
+	dst->snd_una = src->snd_una;
+	dst->mss_cache = src->mss_cache;
+	dst->ecn_flags = src->ecn_flags;
+	dst->rate_delivered = src->rate_delivered;
+	dst->rate_interval_us = src->rate_interval_us;
+	dst->packets_out = src->packets_out;
+	dst->retrans_out = src->retrans_out;
+	dst->total_retrans = src->total_retrans;
+	dst->segs_in = src->segs_in;
+	dst->data_segs_in = src->data_segs_in;
+	dst->segs_out = src->segs_out;
+	dst->data_segs_out = src->data_segs_out;
+	dst->lost_out = src->lost_out;
+	dst->sacked_out = src->sacked_out;
+	dst->bytes_received = src->bytes_received;
+	dst->bytes_acked = src->bytes_acked;
+}
+
+/* Always return CG_OK so that no pkt will be filtered out */
+#define CG_OK 1
+
+#define RET_LOG() ({						\
+	linum = __LINE__;					\
+	bpf_map_update_elem(&linum_map, &linum_idx, &linum, BPF_ANY);	\
+	return CG_OK;						\
+})
+
+SEC("cgroup_skb/egress")
+int egress_read_sock_fields(struct __sk_buff *skb)
+{
+	struct bpf_spinlock_cnt cli_cnt_init = { .lock = 0, .cnt = 0xeB9F };
+	struct bpf_spinlock_cnt *pkt_out_cnt, *pkt_out_cnt10;
+	struct bpf_tcp_sock *tp, *tp_ret;
+	struct bpf_sock *sk, *sk_ret;
+	__u32 linum, linum_idx;
+	struct tcp_sock *ktp;
+
+	linum_idx = EGRESS_LINUM_IDX;
+
+	sk = skb->sk;
+	if (!sk)
+		RET_LOG();
+
+	/* Not testing the egress traffic or the listening socket,
+	 * which are covered by the cgroup_skb/ingress test program.
+	 */
+	if (sk->family != AF_INET6 || !is_loopback6(sk->src_ip6) ||
+	    sk->state == BPF_TCP_LISTEN)
+		return CG_OK;
+
+	if (sk->src_port == bpf_ntohs(srv_sa6.sin6_port)) {
+		/* Server socket */
+		sk_ret = &srv_sk;
+		tp_ret = &srv_tp;
+	} else if (sk->dst_port == srv_sa6.sin6_port) {
+		/* Client socket */
+		sk_ret = &cli_sk;
+		tp_ret = &cli_tp;
+	} else {
+		/* Not the testing egress traffic */
+		return CG_OK;
+	}
+
+	/* It must be a fullsock for cgroup_skb/egress prog */
+	sk = bpf_sk_fullsock(sk);
+	if (!sk)
+		RET_LOG();
+
+	/* Not the testing egress traffic */
+	if (sk->protocol != IPPROTO_TCP)
+		return CG_OK;
+
+	tp = bpf_tcp_sock(sk);
+	if (!tp)
+		RET_LOG();
+
+	skcpy(sk_ret, sk);
+	tpcpy(tp_ret, tp);
+
+	if (sk_ret == &srv_sk) {
+		ktp = bpf_skc_to_tcp_sock(sk);
+
+		if (!ktp)
+			RET_LOG();
+
+		lsndtime = ktp->lsndtime;
+
+		child_cg_id = bpf_sk_cgroup_id(ktp);
+		if (!child_cg_id)
+			RET_LOG();
+
+		parent_cg_id = bpf_sk_ancestor_cgroup_id(ktp, 2);
+		if (!parent_cg_id)
+			RET_LOG();
+
+		/* The userspace has created it for srv sk */
+		pkt_out_cnt = bpf_sk_storage_get(&sk_pkt_out_cnt, ktp, 0, 0);
+		pkt_out_cnt10 = bpf_sk_storage_get(&sk_pkt_out_cnt10, ktp,
+						   0, 0);
+	} else {
+		pkt_out_cnt = bpf_sk_storage_get(&sk_pkt_out_cnt, sk,
+						 &cli_cnt_init,
+						 BPF_SK_STORAGE_GET_F_CREATE);
+		pkt_out_cnt10 = bpf_sk_storage_get(&sk_pkt_out_cnt10,
+						   sk, &cli_cnt_init,
+						   BPF_SK_STORAGE_GET_F_CREATE);
+	}
+
+	if (!pkt_out_cnt || !pkt_out_cnt10)
+		RET_LOG();
+
+	/* Even both cnt and cnt10 have lock defined in their BTF,
+	 * intentionally one cnt takes lock while one does not
+	 * as a test for the spinlock support in BPF_MAP_TYPE_SK_STORAGE.
+	 */
+	pkt_out_cnt->cnt += 1;
+	bpf_spin_lock(&pkt_out_cnt10->lock);
+	pkt_out_cnt10->cnt += 10;
+	bpf_spin_unlock(&pkt_out_cnt10->lock);
+
+	return CG_OK;
+}
+
+SEC("cgroup_skb/ingress")
+int ingress_read_sock_fields(struct __sk_buff *skb)
+{
+	struct bpf_tcp_sock *tp;
+	__u32 linum, linum_idx;
+	struct bpf_sock *sk;
+
+	linum_idx = INGRESS_LINUM_IDX;
+
+	sk = skb->sk;
+	if (!sk)
+		RET_LOG();
+
+	/* Not the testing ingress traffic to the server */
+	if (sk->family != AF_INET6 || !is_loopback6(sk->src_ip6) ||
+	    sk->src_port != bpf_ntohs(srv_sa6.sin6_port))
+		return CG_OK;
+
+	/* Only interested in the listening socket */
+	if (sk->state != BPF_TCP_LISTEN)
+		return CG_OK;
+
+	/* It must be a fullsock for cgroup_skb/ingress prog */
+	sk = bpf_sk_fullsock(sk);
+	if (!sk)
+		RET_LOG();
+
+	tp = bpf_tcp_sock(sk);
+	if (!tp)
+		RET_LOG();
+
+	skcpy(&listen_sk, sk);
+	tpcpy(&listen_tp, tp);
+
+	return CG_OK;
+}
+
+/*
+ * NOTE: 4-byte load from bpf_sock at dst_port offset is quirky. It
+ * gets rewritten by the access converter to a 2-byte load for
+ * backward compatibility. Treating the load result as a be16 value
+ * makes the code portable across little- and big-endian platforms.
+ */
+static __noinline bool sk_dst_port__load_word(struct bpf_sock *sk)
+{
+	__u32 *word = (__u32 *)&sk->dst_port;
+	return word[0] == bpf_htons(0xcafe);
+}
+
+static __noinline bool sk_dst_port__load_half(struct bpf_sock *sk)
+{
+	__u16 *half = (__u16 *)&sk->dst_port;
+	return half[0] == bpf_htons(0xcafe);
+}
+
+static __noinline bool sk_dst_port__load_byte(struct bpf_sock *sk)
+{
+	__u8 *byte = (__u8 *)&sk->dst_port;
+	return byte[0] == 0xca && byte[1] == 0xfe;
+}
+
+SEC("cgroup_skb/egress")
+int read_sk_dst_port(struct __sk_buff *skb)
+{
+	__u32 linum, linum_idx;
+	struct bpf_sock *sk;
+
+	linum_idx = READ_SK_DST_PORT_LINUM_IDX;
+
+	sk = skb->sk;
+	if (!sk)
+		RET_LOG();
+
+	/* Ignore everything but the SYN from the client socket */
+	if (sk->state != BPF_TCP_SYN_SENT)
+		return CG_OK;
+
+	if (!sk_dst_port__load_word(sk))
+		RET_LOG();
+	if (!sk_dst_port__load_half(sk))
+		RET_LOG();
+	if (!sk_dst_port__load_byte(sk))
+		RET_LOG();
+
+	return CG_OK;
+}
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/test_sockhash_kern.c b/tools/testing/selftests/bpf/progs/test_sockhash_kern.c
new file mode 100644
index 000000000..e67559164
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_sockhash_kern.c
@@ -0,0 +1,5 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (c) 2018 Covalent IO, Inc. http://covalent.io
+#undef SOCKMAP
+#define TEST_MAP_TYPE BPF_MAP_TYPE_SOCKHASH
+#include "./test_sockmap_kern.h"
diff --git a/tools/testing/selftests/bpf/progs/test_sockmap_invalid_update.c b/tools/testing/selftests/bpf/progs/test_sockmap_invalid_update.c
new file mode 100644
index 000000000..02a59e220
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_sockmap_invalid_update.c
@@ -0,0 +1,23 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (c) 2020 Cloudflare
+#include "vmlinux.h"
+#include <bpf/bpf_helpers.h>
+
+struct {
+	__uint(type, BPF_MAP_TYPE_SOCKMAP);
+	__uint(max_entries, 1);
+	__type(key, __u32);
+	__type(value, __u64);
+} map SEC(".maps");
+
+SEC("sockops")
+int bpf_sockmap(struct bpf_sock_ops *skops)
+{
+	__u32 key = 0;
+
+	if (skops->sk)
+		bpf_map_update_elem(&map, &key, skops->sk, 0);
+	return 0;
+}
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/test_sockmap_kern.c b/tools/testing/selftests/bpf/progs/test_sockmap_kern.c
new file mode 100644
index 000000000..677b2ed1c
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_sockmap_kern.c
@@ -0,0 +1,5 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (c) 2018 Covalent IO, Inc. http://covalent.io
+#define SOCKMAP
+#define TEST_MAP_TYPE BPF_MAP_TYPE_SOCKMAP
+#include "./test_sockmap_kern.h"
diff --git a/tools/testing/selftests/bpf/progs/test_sockmap_kern.h b/tools/testing/selftests/bpf/progs/test_sockmap_kern.h
new file mode 100644
index 000000000..6c85b00f2
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_sockmap_kern.h
@@ -0,0 +1,374 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* Copyright (c) 2017-2018 Covalent IO, Inc. http://covalent.io */
+#include <stddef.h>
+#include <string.h>
+#include <linux/bpf.h>
+#include <linux/if_ether.h>
+#include <linux/if_packet.h>
+#include <linux/ip.h>
+#include <linux/ipv6.h>
+#include <linux/in.h>
+#include <linux/udp.h>
+#include <linux/tcp.h>
+#include <linux/pkt_cls.h>
+#include <sys/socket.h>
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_endian.h>
+
+/* Sockmap sample program connects a client and a backend together
+ * using cgroups.
+ *
+ *    client:X <---> frontend:80 client:X <---> backend:80
+ *
+ * For simplicity we hard code values here and bind 1:1. The hard
+ * coded values are part of the setup in sockmap.sh script that
+ * is associated with this BPF program.
+ *
+ * The bpf_printk is verbose and prints information as connections
+ * are established and verdicts are decided.
+ */
+
+struct {
+	__uint(type, TEST_MAP_TYPE);
+	__uint(max_entries, 20);
+	__uint(key_size, sizeof(int));
+	__uint(value_size, sizeof(int));
+} sock_map SEC(".maps");
+
+struct {
+	__uint(type, TEST_MAP_TYPE);
+	__uint(max_entries, 20);
+	__uint(key_size, sizeof(int));
+	__uint(value_size, sizeof(int));
+} sock_map_txmsg SEC(".maps");
+
+struct {
+	__uint(type, TEST_MAP_TYPE);
+	__uint(max_entries, 20);
+	__uint(key_size, sizeof(int));
+	__uint(value_size, sizeof(int));
+} sock_map_redir SEC(".maps");
+
+struct {
+	__uint(type, BPF_MAP_TYPE_ARRAY);
+	__uint(max_entries, 1);
+	__type(key, int);
+	__type(value, int);
+} sock_apply_bytes SEC(".maps");
+
+struct {
+	__uint(type, BPF_MAP_TYPE_ARRAY);
+	__uint(max_entries, 1);
+	__type(key, int);
+	__type(value, int);
+} sock_cork_bytes SEC(".maps");
+
+struct {
+	__uint(type, BPF_MAP_TYPE_ARRAY);
+	__uint(max_entries, 6);
+	__type(key, int);
+	__type(value, int);
+} sock_bytes SEC(".maps");
+
+struct {
+	__uint(type, BPF_MAP_TYPE_ARRAY);
+	__uint(max_entries, 1);
+	__type(key, int);
+	__type(value, int);
+} sock_redir_flags SEC(".maps");
+
+struct {
+	__uint(type, BPF_MAP_TYPE_ARRAY);
+	__uint(max_entries, 3);
+	__type(key, int);
+	__type(value, int);
+} sock_skb_opts SEC(".maps");
+
+struct {
+	__uint(type, TEST_MAP_TYPE);
+	__uint(max_entries, 20);
+	__uint(key_size, sizeof(int));
+	__uint(value_size, sizeof(int));
+} tls_sock_map SEC(".maps");
+
+SEC("sk_skb1")
+int bpf_prog1(struct __sk_buff *skb)
+{
+	int *f, two = 2;
+
+	f = bpf_map_lookup_elem(&sock_skb_opts, &two);
+	if (f && *f) {
+		return *f;
+	}
+	return skb->len;
+}
+
+SEC("sk_skb2")
+int bpf_prog2(struct __sk_buff *skb)
+{
+	__u32 lport = skb->local_port;
+	__u32 rport = skb->remote_port;
+	int len, *f, ret, zero = 0;
+	__u64 flags = 0;
+
+	if (lport == 10000)
+		ret = 10;
+	else
+		ret = 1;
+
+	len = (__u32)skb->data_end - (__u32)skb->data;
+	f = bpf_map_lookup_elem(&sock_skb_opts, &zero);
+	if (f && *f) {
+		ret = 3;
+		flags = *f;
+	}
+
+#ifdef SOCKMAP
+	return bpf_sk_redirect_map(skb, &sock_map, ret, flags);
+#else
+	return bpf_sk_redirect_hash(skb, &sock_map, &ret, flags);
+#endif
+
+}
+
+static inline void bpf_write_pass(struct __sk_buff *skb, int offset)
+{
+	int err = bpf_skb_pull_data(skb, 6 + offset);
+	void *data_end;
+	char *c;
+
+	if (err)
+		return;
+
+	c = (char *)(long)skb->data;
+	data_end = (void *)(long)skb->data_end;
+
+	if (c + 5 + offset < data_end)
+		memcpy(c + offset, "PASS", 4);
+}
+
+SEC("sk_skb3")
+int bpf_prog3(struct __sk_buff *skb)
+{
+	int err, *f, ret = SK_PASS;
+	const int one = 1;
+
+	f = bpf_map_lookup_elem(&sock_skb_opts, &one);
+	if (f && *f) {
+		__u64 flags = 0;
+
+		ret = 0;
+		flags = *f;
+
+		err = bpf_skb_adjust_room(skb, -13, 0, 0);
+		if (err)
+			return SK_DROP;
+		err = bpf_skb_adjust_room(skb, 4, 0, 0);
+		if (err)
+			return SK_DROP;
+		bpf_write_pass(skb, 0);
+#ifdef SOCKMAP
+		return bpf_sk_redirect_map(skb, &tls_sock_map, ret, flags);
+#else
+		return bpf_sk_redirect_hash(skb, &tls_sock_map, &ret, flags);
+#endif
+	}
+	f = bpf_map_lookup_elem(&sock_skb_opts, &one);
+	if (f && *f)
+		ret = SK_DROP;
+	err = bpf_skb_adjust_room(skb, 4, 0, 0);
+	if (err)
+		return SK_DROP;
+	bpf_write_pass(skb, 13);
+tls_out:
+	return ret;
+}
+
+SEC("sockops")
+int bpf_sockmap(struct bpf_sock_ops *skops)
+{
+	__u32 lport, rport;
+	int op, err = 0, index, key, ret;
+
+
+	op = (int) skops->op;
+
+	switch (op) {
+	case BPF_SOCK_OPS_PASSIVE_ESTABLISHED_CB:
+		lport = skops->local_port;
+		rport = skops->remote_port;
+
+		if (lport == 10000) {
+			ret = 1;
+#ifdef SOCKMAP
+			err = bpf_sock_map_update(skops, &sock_map, &ret,
+						  BPF_NOEXIST);
+#else
+			err = bpf_sock_hash_update(skops, &sock_map, &ret,
+						   BPF_NOEXIST);
+#endif
+		}
+		break;
+	case BPF_SOCK_OPS_ACTIVE_ESTABLISHED_CB:
+		lport = skops->local_port;
+		rport = skops->remote_port;
+
+		if (bpf_ntohl(rport) == 10001) {
+			ret = 10;
+#ifdef SOCKMAP
+			err = bpf_sock_map_update(skops, &sock_map, &ret,
+						  BPF_NOEXIST);
+#else
+			err = bpf_sock_hash_update(skops, &sock_map, &ret,
+						   BPF_NOEXIST);
+#endif
+		}
+		break;
+	default:
+		break;
+	}
+
+	return 0;
+}
+
+SEC("sk_msg1")
+int bpf_prog4(struct sk_msg_md *msg)
+{
+	int *bytes, zero = 0, one = 1, two = 2, three = 3, four = 4, five = 5;
+	int *start, *end, *start_push, *end_push, *start_pop, *pop, err = 0;
+
+	bytes = bpf_map_lookup_elem(&sock_apply_bytes, &zero);
+	if (bytes)
+		bpf_msg_apply_bytes(msg, *bytes);
+	bytes = bpf_map_lookup_elem(&sock_cork_bytes, &zero);
+	if (bytes)
+		bpf_msg_cork_bytes(msg, *bytes);
+	start = bpf_map_lookup_elem(&sock_bytes, &zero);
+	end = bpf_map_lookup_elem(&sock_bytes, &one);
+	if (start && end)
+		bpf_msg_pull_data(msg, *start, *end, 0);
+	start_push = bpf_map_lookup_elem(&sock_bytes, &two);
+	end_push = bpf_map_lookup_elem(&sock_bytes, &three);
+	if (start_push && end_push) {
+		err = bpf_msg_push_data(msg, *start_push, *end_push, 0);
+		if (err)
+			return SK_DROP;
+	}
+	start_pop = bpf_map_lookup_elem(&sock_bytes, &four);
+	pop = bpf_map_lookup_elem(&sock_bytes, &five);
+	if (start_pop && pop)
+		bpf_msg_pop_data(msg, *start_pop, *pop, 0);
+	return SK_PASS;
+}
+
+SEC("sk_msg2")
+int bpf_prog6(struct sk_msg_md *msg)
+{
+	int zero = 0, one = 1, two = 2, three = 3, four = 4, five = 5, key = 0;
+	int *bytes, *start, *end, *start_push, *end_push, *start_pop, *pop, *f;
+	int err = 0;
+	__u64 flags = 0;
+
+	bytes = bpf_map_lookup_elem(&sock_apply_bytes, &zero);
+	if (bytes)
+		bpf_msg_apply_bytes(msg, *bytes);
+	bytes = bpf_map_lookup_elem(&sock_cork_bytes, &zero);
+	if (bytes)
+		bpf_msg_cork_bytes(msg, *bytes);
+
+	start = bpf_map_lookup_elem(&sock_bytes, &zero);
+	end = bpf_map_lookup_elem(&sock_bytes, &one);
+	if (start && end)
+		bpf_msg_pull_data(msg, *start, *end, 0);
+
+	start_push = bpf_map_lookup_elem(&sock_bytes, &two);
+	end_push = bpf_map_lookup_elem(&sock_bytes, &three);
+	if (start_push && end_push) {
+		err = bpf_msg_push_data(msg, *start_push, *end_push, 0);
+		if (err)
+			return SK_DROP;
+	}
+
+	start_pop = bpf_map_lookup_elem(&sock_bytes, &four);
+	pop = bpf_map_lookup_elem(&sock_bytes, &five);
+	if (start_pop && pop)
+		bpf_msg_pop_data(msg, *start_pop, *pop, 0);
+
+	f = bpf_map_lookup_elem(&sock_redir_flags, &zero);
+	if (f && *f) {
+		key = 2;
+		flags = *f;
+	}
+#ifdef SOCKMAP
+	return bpf_msg_redirect_map(msg, &sock_map_redir, key, flags);
+#else
+	return bpf_msg_redirect_hash(msg, &sock_map_redir, &key, flags);
+#endif
+}
+
+SEC("sk_msg3")
+int bpf_prog8(struct sk_msg_md *msg)
+{
+	void *data_end = (void *)(long) msg->data_end;
+	void *data = (void *)(long) msg->data;
+	int ret = 0, *bytes, zero = 0;
+
+	bytes = bpf_map_lookup_elem(&sock_apply_bytes, &zero);
+	if (bytes) {
+		ret = bpf_msg_apply_bytes(msg, *bytes);
+		if (ret)
+			return SK_DROP;
+	} else {
+		return SK_DROP;
+	}
+	return SK_PASS;
+}
+SEC("sk_msg4")
+int bpf_prog9(struct sk_msg_md *msg)
+{
+	void *data_end = (void *)(long) msg->data_end;
+	void *data = (void *)(long) msg->data;
+	int ret = 0, *bytes, zero = 0;
+
+	bytes = bpf_map_lookup_elem(&sock_cork_bytes, &zero);
+	if (bytes) {
+		if (((__u64)data_end - (__u64)data) >= *bytes)
+			return SK_PASS;
+		ret = bpf_msg_cork_bytes(msg, *bytes);
+		if (ret)
+			return SK_DROP;
+	}
+	return SK_PASS;
+}
+
+SEC("sk_msg5")
+int bpf_prog10(struct sk_msg_md *msg)
+{
+	int *bytes, *start, *end, *start_push, *end_push, *start_pop, *pop;
+	int zero = 0, one = 1, two = 2, three = 3, four = 4, five = 5, err = 0;
+
+	bytes = bpf_map_lookup_elem(&sock_apply_bytes, &zero);
+	if (bytes)
+		bpf_msg_apply_bytes(msg, *bytes);
+	bytes = bpf_map_lookup_elem(&sock_cork_bytes, &zero);
+	if (bytes)
+		bpf_msg_cork_bytes(msg, *bytes);
+	start = bpf_map_lookup_elem(&sock_bytes, &zero);
+	end = bpf_map_lookup_elem(&sock_bytes, &one);
+	if (start && end)
+		bpf_msg_pull_data(msg, *start, *end, 0);
+	start_push = bpf_map_lookup_elem(&sock_bytes, &two);
+	end_push = bpf_map_lookup_elem(&sock_bytes, &three);
+	if (start_push && end_push) {
+		err = bpf_msg_push_data(msg, *start_push, *end_push, 0);
+		if (err)
+			return SK_PASS;
+	}
+	start_pop = bpf_map_lookup_elem(&sock_bytes, &four);
+	pop = bpf_map_lookup_elem(&sock_bytes, &five);
+	if (start_pop && pop)
+		bpf_msg_pop_data(msg, *start_pop, *pop, 0);
+	return SK_DROP;
+}
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/test_sockmap_listen.c b/tools/testing/selftests/bpf/progs/test_sockmap_listen.c
new file mode 100644
index 000000000..325c9f193
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_sockmap_listen.c
@@ -0,0 +1,119 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (c) 2020 Cloudflare
+
+#include <errno.h>
+#include <stdbool.h>
+#include <linux/bpf.h>
+
+#include <bpf/bpf_helpers.h>
+
+struct {
+	__uint(type, BPF_MAP_TYPE_SOCKMAP);
+	__uint(max_entries, 2);
+	__type(key, __u32);
+	__type(value, __u64);
+} sock_map SEC(".maps");
+
+struct {
+	__uint(type, BPF_MAP_TYPE_SOCKHASH);
+	__uint(max_entries, 2);
+	__type(key, __u32);
+	__type(value, __u64);
+} sock_hash SEC(".maps");
+
+struct {
+	__uint(type, BPF_MAP_TYPE_ARRAY);
+	__uint(max_entries, 2);
+	__type(key, int);
+	__type(value, unsigned int);
+} verdict_map SEC(".maps");
+
+bool test_sockmap = false; /* toggled by user-space */
+bool test_ingress = false; /* toggled by user-space */
+
+SEC("sk_skb/stream_parser")
+int prog_stream_parser(struct __sk_buff *skb)
+{
+	return skb->len;
+}
+
+SEC("sk_skb/stream_verdict")
+int prog_stream_verdict(struct __sk_buff *skb)
+{
+	unsigned int *count;
+	__u32 zero = 0;
+	int verdict;
+
+	if (test_sockmap)
+		verdict = bpf_sk_redirect_map(skb, &sock_map, zero, 0);
+	else
+		verdict = bpf_sk_redirect_hash(skb, &sock_hash, &zero, 0);
+
+	count = bpf_map_lookup_elem(&verdict_map, &verdict);
+	if (count)
+		(*count)++;
+
+	return verdict;
+}
+
+SEC("sk_skb")
+int prog_skb_verdict(struct __sk_buff *skb)
+{
+	unsigned int *count;
+	__u32 zero = 0;
+	int verdict;
+
+	if (test_sockmap)
+		verdict = bpf_sk_redirect_map(skb, &sock_map, zero,
+					      test_ingress ? BPF_F_INGRESS : 0);
+	else
+		verdict = bpf_sk_redirect_hash(skb, &sock_hash, &zero,
+					       test_ingress ? BPF_F_INGRESS : 0);
+
+	count = bpf_map_lookup_elem(&verdict_map, &verdict);
+	if (count)
+		(*count)++;
+
+	return verdict;
+}
+
+SEC("sk_msg")
+int prog_msg_verdict(struct sk_msg_md *msg)
+{
+	unsigned int *count;
+	__u32 zero = 0;
+	int verdict;
+
+	if (test_sockmap)
+		verdict = bpf_msg_redirect_map(msg, &sock_map, zero, 0);
+	else
+		verdict = bpf_msg_redirect_hash(msg, &sock_hash, &zero, 0);
+
+	count = bpf_map_lookup_elem(&verdict_map, &verdict);
+	if (count)
+		(*count)++;
+
+	return verdict;
+}
+
+SEC("sk_reuseport")
+int prog_reuseport(struct sk_reuseport_md *reuse)
+{
+	unsigned int *count;
+	int err, verdict;
+	__u32 zero = 0;
+
+	if (test_sockmap)
+		err = bpf_sk_select_reuseport(reuse, &sock_map, &zero, 0);
+	else
+		err = bpf_sk_select_reuseport(reuse, &sock_hash, &zero, 0);
+	verdict = err ? SK_DROP : SK_PASS;
+
+	count = bpf_map_lookup_elem(&verdict_map, &verdict);
+	if (count)
+		(*count)++;
+
+	return verdict;
+}
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/test_sockmap_progs_query.c b/tools/testing/selftests/bpf/progs/test_sockmap_progs_query.c
new file mode 100644
index 000000000..9d58d61c0
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_sockmap_progs_query.c
@@ -0,0 +1,24 @@
+// SPDX-License-Identifier: GPL-2.0
+#include "vmlinux.h"
+#include <bpf/bpf_helpers.h>
+
+struct {
+	__uint(type, BPF_MAP_TYPE_SOCKMAP);
+	__uint(max_entries, 1);
+	__type(key, __u32);
+	__type(value, __u64);
+} sock_map SEC(".maps");
+
+SEC("sk_skb")
+int prog_skb_verdict(struct __sk_buff *skb)
+{
+	return SK_PASS;
+}
+
+SEC("sk_msg")
+int prog_skmsg_verdict(struct sk_msg_md *msg)
+{
+	return SK_PASS;
+}
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/test_sockmap_skb_verdict_attach.c b/tools/testing/selftests/bpf/progs/test_sockmap_skb_verdict_attach.c
new file mode 100644
index 000000000..3c69aa971
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_sockmap_skb_verdict_attach.c
@@ -0,0 +1,18 @@
+// SPDX-License-Identifier: GPL-2.0
+#include "vmlinux.h"
+#include <bpf/bpf_helpers.h>
+
+struct {
+	__uint(type, BPF_MAP_TYPE_SOCKMAP);
+	__uint(max_entries, 2);
+	__type(key, __u32);
+	__type(value, __u64);
+} sock_map SEC(".maps");
+
+SEC("sk_skb")
+int prog_skb_verdict(struct __sk_buff *skb)
+{
+	return SK_DROP;
+}
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/test_sockmap_update.c b/tools/testing/selftests/bpf/progs/test_sockmap_update.c
new file mode 100644
index 000000000..6d64ea536
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_sockmap_update.c
@@ -0,0 +1,48 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (c) 2020 Cloudflare
+#include "vmlinux.h"
+#include <bpf/bpf_helpers.h>
+
+struct {
+	__uint(type, BPF_MAP_TYPE_SOCKMAP);
+	__uint(max_entries, 1);
+	__type(key, __u32);
+	__type(value, __u64);
+} src SEC(".maps");
+
+struct {
+	__uint(type, BPF_MAP_TYPE_SOCKMAP);
+	__uint(max_entries, 1);
+	__type(key, __u32);
+	__type(value, __u64);
+} dst_sock_map SEC(".maps");
+
+struct {
+	__uint(type, BPF_MAP_TYPE_SOCKHASH);
+	__uint(max_entries, 1);
+	__type(key, __u32);
+	__type(value, __u64);
+} dst_sock_hash SEC(".maps");
+
+SEC("tc")
+int copy_sock_map(void *ctx)
+{
+	struct bpf_sock *sk;
+	bool failed = false;
+	__u32 key = 0;
+
+	sk = bpf_map_lookup_elem(&src, &key);
+	if (!sk)
+		return SK_DROP;
+
+	if (bpf_map_update_elem(&dst_sock_map, &key, sk, 0))
+		failed = true;
+
+	if (bpf_map_update_elem(&dst_sock_hash, &key, sk, 0))
+		failed = true;
+
+	bpf_sk_release(sk);
+	return failed ? SK_DROP : SK_PASS;
+}
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/test_spin_lock.c b/tools/testing/selftests/bpf/progs/test_spin_lock.c
new file mode 100644
index 000000000..7e88309d3
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_spin_lock.c
@@ -0,0 +1,101 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (c) 2019 Facebook
+#include <linux/bpf.h>
+#include <linux/version.h>
+#include <bpf/bpf_helpers.h>
+
+struct hmap_elem {
+	volatile int cnt;
+	struct bpf_spin_lock lock;
+	int test_padding;
+};
+
+struct {
+	__uint(type, BPF_MAP_TYPE_HASH);
+	__uint(max_entries, 1);
+	__type(key, int);
+	__type(value, struct hmap_elem);
+} hmap SEC(".maps");
+
+struct cls_elem {
+	struct bpf_spin_lock lock;
+	volatile int cnt;
+};
+
+struct {
+	__uint(type, BPF_MAP_TYPE_CGROUP_STORAGE);
+	__type(key, struct bpf_cgroup_storage_key);
+	__type(value, struct cls_elem);
+} cls_map SEC(".maps");
+
+struct bpf_vqueue {
+	struct bpf_spin_lock lock;
+	/* 4 byte hole */
+	unsigned long long lasttime;
+	int credit;
+	unsigned int rate;
+};
+
+struct {
+	__uint(type, BPF_MAP_TYPE_ARRAY);
+	__uint(max_entries, 1);
+	__type(key, int);
+	__type(value, struct bpf_vqueue);
+} vqueue SEC(".maps");
+
+#define CREDIT_PER_NS(delta, rate) (((delta) * rate) >> 20)
+
+SEC("tc")
+int bpf_sping_lock_test(struct __sk_buff *skb)
+{
+	volatile int credit = 0, max_credit = 100, pkt_len = 64;
+	struct hmap_elem zero = {}, *val;
+	unsigned long long curtime;
+	struct bpf_vqueue *q;
+	struct cls_elem *cls;
+	int key = 0;
+	int err = 0;
+
+	val = bpf_map_lookup_elem(&hmap, &key);
+	if (!val) {
+		bpf_map_update_elem(&hmap, &key, &zero, 0);
+		val = bpf_map_lookup_elem(&hmap, &key);
+		if (!val) {
+			err = 1;
+			goto err;
+		}
+	}
+	/* spin_lock in hash map run time test */
+	bpf_spin_lock(&val->lock);
+	if (val->cnt)
+		val->cnt--;
+	else
+		val->cnt++;
+	if (val->cnt != 0 && val->cnt != 1)
+		err = 1;
+	bpf_spin_unlock(&val->lock);
+
+	/* spin_lock in array. virtual queue demo */
+	q = bpf_map_lookup_elem(&vqueue, &key);
+	if (!q)
+		goto err;
+	curtime = bpf_ktime_get_ns();
+	bpf_spin_lock(&q->lock);
+	q->credit += CREDIT_PER_NS(curtime - q->lasttime, q->rate);
+	q->lasttime = curtime;
+	if (q->credit > max_credit)
+		q->credit = max_credit;
+	q->credit -= pkt_len;
+	credit = q->credit;
+	bpf_spin_unlock(&q->lock);
+
+	/* spin_lock in cgroup local storage */
+	cls = bpf_get_local_storage(&cls_map, 0);
+	bpf_spin_lock(&cls->lock);
+	cls->cnt++;
+	bpf_spin_unlock(&cls->lock);
+
+err:
+	return err;
+}
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/test_stack_map.c b/tools/testing/selftests/bpf/progs/test_stack_map.c
new file mode 100644
index 000000000..31c3880e6
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_stack_map.c
@@ -0,0 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (c) 2018 Politecnico di Torino
+#define MAP_TYPE BPF_MAP_TYPE_STACK
+#include "test_queue_stack_map.h"
diff --git a/tools/testing/selftests/bpf/progs/test_stack_var_off.c b/tools/testing/selftests/bpf/progs/test_stack_var_off.c
new file mode 100644
index 000000000..665e6ae09
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_stack_var_off.c
@@ -0,0 +1,51 @@
+// SPDX-License-Identifier: GPL-2.0
+
+#include <linux/bpf.h>
+#include <bpf/bpf_helpers.h>
+
+int probe_res;
+
+char input[4] = {};
+int test_pid;
+
+SEC("tracepoint/syscalls/sys_enter_nanosleep")
+int probe(void *ctx)
+{
+	/* This BPF program performs variable-offset reads and writes on a
+	 * stack-allocated buffer.
+	 */
+	char stack_buf[16];
+	unsigned long len;
+	unsigned long last;
+
+	if ((bpf_get_current_pid_tgid() >> 32) != test_pid)
+		return 0;
+
+	/* Copy the input to the stack. */
+	__builtin_memcpy(stack_buf, input, 4);
+
+	/* The first byte in the buffer indicates the length. */
+	len = stack_buf[0] & 0xf;
+	last = (len - 1) & 0xf;
+
+	/* Append something to the buffer. The offset where we write is not
+	 * statically known; this is a variable-offset stack write.
+	 */
+	stack_buf[len] = 42;
+
+	/* Index into the buffer at an unknown offset. This is a
+	 * variable-offset stack read.
+	 *
+	 * Note that if it wasn't for the preceding variable-offset write, this
+	 * read would be rejected because the stack slot cannot be verified as
+	 * being initialized. With the preceding variable-offset write, the
+	 * stack slot still cannot be verified, but the write inhibits the
+	 * respective check on the reasoning that, if there was a
+	 * variable-offset to a higher-or-equal spot, we're probably reading
+	 * what we just wrote.
+	 */
+	probe_res = stack_buf[last];
+	return 0;
+}
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/test_stacktrace_build_id.c b/tools/testing/selftests/bpf/progs/test_stacktrace_build_id.c
new file mode 100644
index 000000000..0c4426592
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_stacktrace_build_id.c
@@ -0,0 +1,67 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (c) 2018 Facebook
+
+#include <linux/bpf.h>
+#include <bpf/bpf_helpers.h>
+
+#ifndef PERF_MAX_STACK_DEPTH
+#define PERF_MAX_STACK_DEPTH         127
+#endif
+
+struct {
+	__uint(type, BPF_MAP_TYPE_ARRAY);
+	__uint(max_entries, 1);
+	__type(key, __u32);
+	__type(value, __u32);
+} control_map SEC(".maps");
+
+struct {
+	__uint(type, BPF_MAP_TYPE_HASH);
+	__uint(max_entries, 16384);
+	__type(key, __u32);
+	__type(value, __u32);
+} stackid_hmap SEC(".maps");
+
+typedef struct bpf_stack_build_id stack_trace_t[PERF_MAX_STACK_DEPTH];
+
+struct {
+	__uint(type, BPF_MAP_TYPE_STACK_TRACE);
+	__uint(max_entries, 128);
+	__uint(map_flags, BPF_F_STACK_BUILD_ID);
+	__type(key, __u32);
+	__type(value, stack_trace_t);
+} stackmap SEC(".maps");
+
+struct {
+	__uint(type, BPF_MAP_TYPE_ARRAY);
+	__uint(max_entries, 128);
+	__type(key, __u32);
+	__type(value, stack_trace_t);
+} stack_amap SEC(".maps");
+
+SEC("kprobe/urandom_read_iter")
+int oncpu(struct pt_regs *args)
+{
+	__u32 max_len = sizeof(struct bpf_stack_build_id)
+			* PERF_MAX_STACK_DEPTH;
+	__u32 key = 0, val = 0, *value_p;
+	void *stack_p;
+
+	value_p = bpf_map_lookup_elem(&control_map, &key);
+	if (value_p && *value_p)
+		return 0; /* skip if non-zero *value_p */
+
+	/* The size of stackmap and stackid_hmap should be the same */
+	key = bpf_get_stackid(args, &stackmap, BPF_F_USER_STACK);
+	if ((int)key >= 0) {
+		bpf_map_update_elem(&stackid_hmap, &key, &val, 0);
+		stack_p = bpf_map_lookup_elem(&stack_amap, &key);
+		if (stack_p)
+			bpf_get_stack(args, stack_p, max_len,
+				      BPF_F_USER_STACK | BPF_F_USER_BUILD_ID);
+	}
+
+	return 0;
+}
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/test_stacktrace_map.c b/tools/testing/selftests/bpf/progs/test_stacktrace_map.c
new file mode 100644
index 000000000..728dbd39e
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_stacktrace_map.c
@@ -0,0 +1,76 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (c) 2018 Facebook
+
+#include <vmlinux.h>
+#include <bpf/bpf_helpers.h>
+
+#ifndef PERF_MAX_STACK_DEPTH
+#define PERF_MAX_STACK_DEPTH         127
+#endif
+
+struct {
+	__uint(type, BPF_MAP_TYPE_ARRAY);
+	__uint(max_entries, 1);
+	__type(key, __u32);
+	__type(value, __u32);
+} control_map SEC(".maps");
+
+struct {
+	__uint(type, BPF_MAP_TYPE_HASH);
+	__uint(max_entries, 16384);
+	__type(key, __u32);
+	__type(value, __u32);
+} stackid_hmap SEC(".maps");
+
+typedef __u64 stack_trace_t[PERF_MAX_STACK_DEPTH];
+
+struct {
+	__uint(type, BPF_MAP_TYPE_STACK_TRACE);
+	__uint(max_entries, 16384);
+	__type(key, __u32);
+	__type(value, stack_trace_t);
+} stackmap SEC(".maps");
+
+struct {
+	__uint(type, BPF_MAP_TYPE_ARRAY);
+	__uint(max_entries, 16384);
+	__type(key, __u32);
+	__type(value, stack_trace_t);
+} stack_amap SEC(".maps");
+
+/* taken from /sys/kernel/debug/tracing/events/sched/sched_switch/format */
+struct sched_switch_args {
+	unsigned long long pad;
+	char prev_comm[TASK_COMM_LEN];
+	int prev_pid;
+	int prev_prio;
+	long long prev_state;
+	char next_comm[TASK_COMM_LEN];
+	int next_pid;
+	int next_prio;
+};
+
+SEC("tracepoint/sched/sched_switch")
+int oncpu(struct sched_switch_args *ctx)
+{
+	__u32 max_len = PERF_MAX_STACK_DEPTH * sizeof(__u64);
+	__u32 key = 0, val = 0, *value_p;
+	void *stack_p;
+
+	value_p = bpf_map_lookup_elem(&control_map, &key);
+	if (value_p && *value_p)
+		return 0; /* skip if non-zero *value_p */
+
+	/* The size of stackmap and stackid_hmap should be the same */
+	key = bpf_get_stackid(ctx, &stackmap, 0);
+	if ((int)key >= 0) {
+		bpf_map_update_elem(&stackid_hmap, &key, &val, 0);
+		stack_p = bpf_map_lookup_elem(&stack_amap, &key);
+		if (stack_p)
+			bpf_get_stack(ctx, stack_p, max_len, 0);
+	}
+
+	return 0;
+}
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/test_static_linked1.c b/tools/testing/selftests/bpf/progs/test_static_linked1.c
new file mode 100644
index 000000000..4f0b612e1
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_static_linked1.c
@@ -0,0 +1,30 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2021 Facebook */
+
+#include <linux/bpf.h>
+#include <bpf/bpf_helpers.h>
+
+/* 8-byte aligned .data */
+static volatile long static_var1 = 2;
+static volatile int static_var2 = 3;
+int var1 = -1;
+/* 4-byte aligned .rodata */
+const volatile int rovar1;
+
+/* same "subprog" name in both files */
+static __noinline int subprog(int x)
+{
+	/* but different formula */
+	return x * 2;
+}
+
+SEC("raw_tp/sys_enter")
+int handler1(const void *ctx)
+{
+	var1 = subprog(rovar1) + static_var1 + static_var2;
+
+	return 0;
+}
+
+char LICENSE[] SEC("license") = "GPL";
+int VERSION SEC("version") = 1;
diff --git a/tools/testing/selftests/bpf/progs/test_static_linked2.c b/tools/testing/selftests/bpf/progs/test_static_linked2.c
new file mode 100644
index 000000000..766ebd502
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_static_linked2.c
@@ -0,0 +1,31 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2021 Facebook */
+
+#include <linux/bpf.h>
+#include <bpf/bpf_helpers.h>
+
+/* 4-byte aligned .data */
+static volatile int static_var1 = 5;
+static volatile int static_var2 = 6;
+int var2 = -1;
+/* 8-byte aligned .rodata */
+const volatile long rovar2;
+
+/* same "subprog" name in both files */
+static __noinline int subprog(int x)
+{
+	/* but different formula */
+	return x * 3;
+}
+
+SEC("raw_tp/sys_enter")
+int handler2(const void *ctx)
+{
+	var2 = subprog(rovar2) + static_var1 + static_var2;
+
+	return 0;
+}
+
+/* different name and/or type of the variable doesn't matter */
+char _license[] SEC("license") = "GPL";
+int _version SEC("version") = 1;
diff --git a/tools/testing/selftests/bpf/progs/test_subprogs.c b/tools/testing/selftests/bpf/progs/test_subprogs.c
new file mode 100644
index 000000000..f8e9256cf
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_subprogs.c
@@ -0,0 +1,124 @@
+#include "vmlinux.h"
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_core_read.h>
+
+const char LICENSE[] SEC("license") = "GPL";
+
+struct {
+	__uint(type, BPF_MAP_TYPE_ARRAY);
+	__uint(max_entries, 1);
+	__type(key, __u32);
+	__type(value, __u64);
+} array SEC(".maps");
+
+__noinline int sub1(int x)
+{
+	int key = 0;
+
+	bpf_map_lookup_elem(&array, &key);
+	return x + 1;
+}
+
+static __noinline int sub5(int v);
+
+__noinline int sub2(int y)
+{
+	return sub5(y + 2);
+}
+
+static __noinline int sub3(int z)
+{
+	return z + 3 + sub1(4);
+}
+
+static __noinline int sub4(int w)
+{
+	int key = 0;
+
+	bpf_map_lookup_elem(&array, &key);
+	return w + sub3(5) + sub1(6);
+}
+
+/* sub5() is an identitify function, just to test weirder functions layout and
+ * call patterns
+ */
+static __noinline int sub5(int v)
+{
+	return sub1(v) - 1; /* compensates sub1()'s + 1 */
+}
+
+/* unfortunately verifier rejects `struct task_struct *t` as an unkown pointer
+ * type, so we need to accept pointer as integer and then cast it inside the
+ * function
+ */
+__noinline int get_task_tgid(uintptr_t t)
+{
+	/* this ensures that CO-RE relocs work in multi-subprogs .text */
+	return BPF_CORE_READ((struct task_struct *)(void *)t, tgid);
+}
+
+int res1 = 0;
+int res2 = 0;
+int res3 = 0;
+int res4 = 0;
+
+SEC("raw_tp/sys_enter")
+int prog1(void *ctx)
+{
+	/* perform some CO-RE relocations to ensure they work with multi-prog
+	 * sections correctly
+	 */
+	struct task_struct *t = (void *)bpf_get_current_task();
+
+	if (!BPF_CORE_READ(t, pid) || !get_task_tgid((uintptr_t)t))
+		return 1;
+
+	res1 = sub1(1) + sub3(2); /* (1 + 1) + (2 + 3 + (4 + 1)) = 12 */
+	return 0;
+}
+
+SEC("raw_tp/sys_exit")
+int prog2(void *ctx)
+{
+	struct task_struct *t = (void *)bpf_get_current_task();
+
+	if (!BPF_CORE_READ(t, pid) || !get_task_tgid((uintptr_t)t))
+		return 1;
+
+	res2 = sub2(3) + sub3(4); /* (3 + 2) + (4 + 3 + (4 + 1)) = 17 */
+	return 0;
+}
+
+static int empty_callback(__u32 index, void *data)
+{
+	return 0;
+}
+
+/* prog3 has the same section name as prog1 */
+SEC("raw_tp/sys_enter")
+int prog3(void *ctx)
+{
+	struct task_struct *t = (void *)bpf_get_current_task();
+
+	if (!BPF_CORE_READ(t, pid) || !get_task_tgid((uintptr_t)t))
+		return 1;
+
+	/* test that ld_imm64 with BPF_PSEUDO_FUNC doesn't get blinded */
+	bpf_loop(1, empty_callback, NULL, 0);
+
+	res3 = sub3(5) + 6; /* (5 + 3 + (4 + 1)) + 6 = 19 */
+	return 0;
+}
+
+/* prog4 has the same section name as prog2 */
+SEC("raw_tp/sys_exit")
+int prog4(void *ctx)
+{
+	struct task_struct *t = (void *)bpf_get_current_task();
+
+	if (!BPF_CORE_READ(t, pid) || !get_task_tgid((uintptr_t)t))
+		return 1;
+
+	res4 = sub4(7) + sub1(8); /* (7 + (5 + 3 + (4 + 1)) + (6 + 1)) + (8 + 1) = 36 */
+	return 0;
+}
diff --git a/tools/testing/selftests/bpf/progs/test_subprogs_unused.c b/tools/testing/selftests/bpf/progs/test_subprogs_unused.c
new file mode 100644
index 000000000..bc49e050d
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_subprogs_unused.c
@@ -0,0 +1,21 @@
+#include "vmlinux.h"
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_core_read.h>
+
+const char LICENSE[] SEC("license") = "GPL";
+
+__attribute__((unused)) __noinline int unused1(int x)
+{
+	return x + 1;
+}
+
+static __attribute__((unused)) __noinline int unused2(int x)
+{
+	return x + 2;
+}
+
+SEC("raw_tp/sys_enter")
+int main_prog(void *ctx)
+{
+	return 0;
+}
diff --git a/tools/testing/selftests/bpf/progs/test_subskeleton.c b/tools/testing/selftests/bpf/progs/test_subskeleton.c
new file mode 100644
index 000000000..006417974
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_subskeleton.c
@@ -0,0 +1,28 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) Meta Platforms, Inc. and affiliates. */
+
+#include <stdbool.h>
+#include <linux/bpf.h>
+#include <bpf/bpf_helpers.h>
+
+/* volatile to force a read, compiler may assume 0 otherwise */
+const volatile int rovar1;
+int out1;
+
+/* Override weak symbol in test_subskeleton_lib */
+int var5 = 5;
+
+extern volatile bool CONFIG_BPF_SYSCALL __kconfig;
+
+extern int lib_routine(void);
+
+SEC("raw_tp/sys_enter")
+int handler1(const void *ctx)
+{
+	(void) CONFIG_BPF_SYSCALL;
+
+	out1 = lib_routine() * rovar1;
+	return 0;
+}
+
+char LICENSE[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/test_subskeleton_lib.c b/tools/testing/selftests/bpf/progs/test_subskeleton_lib.c
new file mode 100644
index 000000000..ecfafe812
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_subskeleton_lib.c
@@ -0,0 +1,61 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) Meta Platforms, Inc. and affiliates. */
+
+#include <stdbool.h>
+#include <linux/bpf.h>
+#include <bpf/bpf_helpers.h>
+
+/* volatile to force a read */
+const volatile int var1;
+volatile int var2 = 1;
+struct {
+	int var3_1;
+	__s64 var3_2;
+} var3;
+int libout1;
+
+extern volatile bool CONFIG_BPF_SYSCALL __kconfig;
+
+int var4[4];
+
+__weak int var5 SEC(".data");
+
+/* Fully contained within library extern-and-definition */
+extern int var6;
+
+int var7 SEC(".data.custom");
+
+int (*fn_ptr)(void);
+
+struct {
+	__uint(type, BPF_MAP_TYPE_HASH);
+	__type(key, __u32);
+	__type(value, __u32);
+	__uint(max_entries, 16);
+} map1 SEC(".maps");
+
+extern struct {
+	__uint(type, BPF_MAP_TYPE_HASH);
+	__type(key, __u32);
+	__type(value, __u32);
+	__uint(max_entries, 16);
+} map2 SEC(".maps");
+
+int lib_routine(void)
+{
+	__u32 key = 1, value = 2;
+
+	(void) CONFIG_BPF_SYSCALL;
+	bpf_map_update_elem(&map2, &key, &value, BPF_ANY);
+
+	libout1 = var1 + var2 + var3.var3_1 + var3.var3_2 + var5 + var6;
+	return libout1;
+}
+
+SEC("perf_event")
+int lib_perf_handler(struct pt_regs *ctx)
+{
+	return 0;
+}
+
+char LICENSE[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/test_subskeleton_lib2.c b/tools/testing/selftests/bpf/progs/test_subskeleton_lib2.c
new file mode 100644
index 000000000..80238486b
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_subskeleton_lib2.c
@@ -0,0 +1,16 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) Meta Platforms, Inc. and affiliates. */
+
+#include <linux/bpf.h>
+#include <bpf/bpf_helpers.h>
+
+int var6 = 6;
+
+struct {
+	__uint(type, BPF_MAP_TYPE_HASH);
+	__type(key, __u32);
+	__type(value, __u32);
+	__uint(max_entries, 16);
+} map2 SEC(".maps");
+
+char LICENSE[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/test_sysctl_loop1.c b/tools/testing/selftests/bpf/progs/test_sysctl_loop1.c
new file mode 100644
index 000000000..553a282d8
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_sysctl_loop1.c
@@ -0,0 +1,74 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (c) 2019 Facebook
+
+#include <stdint.h>
+#include <string.h>
+
+#include <linux/stddef.h>
+#include <linux/bpf.h>
+
+#include <bpf/bpf_helpers.h>
+
+#ifndef ARRAY_SIZE
+#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
+#endif
+
+/* tcp_mem sysctl has only 3 ints, but this test is doing TCP_MEM_LOOPS */
+#define TCP_MEM_LOOPS 28  /* because 30 doesn't fit into 512 bytes of stack */
+#define MAX_ULONG_STR_LEN 7
+#define MAX_VALUE_STR_LEN (TCP_MEM_LOOPS * MAX_ULONG_STR_LEN)
+
+const char tcp_mem_name[] = "net/ipv4/tcp_mem/very_very_very_very_long_pointless_string";
+static __always_inline int is_tcp_mem(struct bpf_sysctl *ctx)
+{
+	unsigned char i;
+	char name[sizeof(tcp_mem_name)];
+	int ret;
+
+	memset(name, 0, sizeof(name));
+	ret = bpf_sysctl_get_name(ctx, name, sizeof(name), 0);
+	if (ret < 0 || ret != sizeof(tcp_mem_name) - 1)
+		return 0;
+
+#pragma clang loop unroll(disable)
+	for (i = 0; i < sizeof(tcp_mem_name); ++i)
+		if (name[i] != tcp_mem_name[i])
+			return 0;
+
+	return 1;
+}
+
+SEC("cgroup/sysctl")
+int sysctl_tcp_mem(struct bpf_sysctl *ctx)
+{
+	unsigned long tcp_mem[TCP_MEM_LOOPS] = {};
+	char value[MAX_VALUE_STR_LEN];
+	unsigned char i, off = 0;
+	/* a workaround to prevent compiler from generating
+	 * codes verifier cannot handle yet.
+	 */
+	volatile int ret;
+
+	if (ctx->write)
+		return 0;
+
+	if (!is_tcp_mem(ctx))
+		return 0;
+
+	ret = bpf_sysctl_get_current_value(ctx, value, MAX_VALUE_STR_LEN);
+	if (ret < 0 || ret >= MAX_VALUE_STR_LEN)
+		return 0;
+
+#pragma clang loop unroll(disable)
+	for (i = 0; i < ARRAY_SIZE(tcp_mem); ++i) {
+		ret = bpf_strtoul(value + off, MAX_ULONG_STR_LEN, 0,
+				  tcp_mem + i);
+		if (ret <= 0 || ret > MAX_ULONG_STR_LEN)
+			return 0;
+		off += ret & MAX_ULONG_STR_LEN;
+	}
+
+	return tcp_mem[0] < tcp_mem[1] && tcp_mem[1] < tcp_mem[2];
+}
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/test_sysctl_loop2.c b/tools/testing/selftests/bpf/progs/test_sysctl_loop2.c
new file mode 100644
index 000000000..2b64bc563
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_sysctl_loop2.c
@@ -0,0 +1,72 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (c) 2019 Facebook
+
+#include <stdint.h>
+#include <string.h>
+
+#include <linux/stddef.h>
+#include <linux/bpf.h>
+
+#include <bpf/bpf_helpers.h>
+
+#ifndef ARRAY_SIZE
+#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
+#endif
+
+/* tcp_mem sysctl has only 3 ints, but this test is doing TCP_MEM_LOOPS */
+#define TCP_MEM_LOOPS 20  /* because 30 doesn't fit into 512 bytes of stack */
+#define MAX_ULONG_STR_LEN 7
+#define MAX_VALUE_STR_LEN (TCP_MEM_LOOPS * MAX_ULONG_STR_LEN)
+
+const char tcp_mem_name[] = "net/ipv4/tcp_mem/very_very_very_very_long_pointless_string_to_stress_byte_loop";
+static __attribute__((noinline)) int is_tcp_mem(struct bpf_sysctl *ctx)
+{
+	unsigned char i;
+	char name[sizeof(tcp_mem_name)];
+	int ret;
+
+	memset(name, 0, sizeof(name));
+	ret = bpf_sysctl_get_name(ctx, name, sizeof(name), 0);
+	if (ret < 0 || ret != sizeof(tcp_mem_name) - 1)
+		return 0;
+
+#pragma clang loop unroll(disable)
+	for (i = 0; i < sizeof(tcp_mem_name); ++i)
+		if (name[i] != tcp_mem_name[i])
+			return 0;
+
+	return 1;
+}
+
+
+SEC("cgroup/sysctl")
+int sysctl_tcp_mem(struct bpf_sysctl *ctx)
+{
+	unsigned long tcp_mem[TCP_MEM_LOOPS] = {};
+	char value[MAX_VALUE_STR_LEN];
+	unsigned char i, off = 0;
+	int ret;
+
+	if (ctx->write)
+		return 0;
+
+	if (!is_tcp_mem(ctx))
+		return 0;
+
+	ret = bpf_sysctl_get_current_value(ctx, value, MAX_VALUE_STR_LEN);
+	if (ret < 0 || ret >= MAX_VALUE_STR_LEN)
+		return 0;
+
+#pragma clang loop unroll(disable)
+	for (i = 0; i < ARRAY_SIZE(tcp_mem); ++i) {
+		ret = bpf_strtoul(value + off, MAX_ULONG_STR_LEN, 0,
+				  tcp_mem + i);
+		if (ret <= 0 || ret > MAX_ULONG_STR_LEN)
+			return 0;
+		off += ret & MAX_ULONG_STR_LEN;
+	}
+
+	return tcp_mem[0] < tcp_mem[1] && tcp_mem[1] < tcp_mem[2];
+}
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/test_sysctl_prog.c b/tools/testing/selftests/bpf/progs/test_sysctl_prog.c
new file mode 100644
index 000000000..5489823c8
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_sysctl_prog.c
@@ -0,0 +1,73 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (c) 2019 Facebook
+
+#include <stdint.h>
+#include <string.h>
+
+#include <linux/stddef.h>
+#include <linux/bpf.h>
+
+#include <bpf/bpf_helpers.h>
+
+/* Max supported length of a string with unsigned long in base 10 (pow2 - 1). */
+#define MAX_ULONG_STR_LEN 0xF
+
+/* Max supported length of sysctl value string (pow2). */
+#define MAX_VALUE_STR_LEN 0x40
+
+#ifndef ARRAY_SIZE
+#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
+#endif
+
+const char tcp_mem_name[] = "net/ipv4/tcp_mem";
+static __always_inline int is_tcp_mem(struct bpf_sysctl *ctx)
+{
+	unsigned char i;
+	char name[sizeof(tcp_mem_name)];
+	int ret;
+
+	memset(name, 0, sizeof(name));
+	ret = bpf_sysctl_get_name(ctx, name, sizeof(name), 0);
+	if (ret < 0 || ret != sizeof(tcp_mem_name) - 1)
+		return 0;
+
+#pragma clang loop unroll(full)
+	for (i = 0; i < sizeof(tcp_mem_name); ++i)
+		if (name[i] != tcp_mem_name[i])
+			return 0;
+
+	return 1;
+}
+
+SEC("cgroup/sysctl")
+int sysctl_tcp_mem(struct bpf_sysctl *ctx)
+{
+	unsigned long tcp_mem[3] = {0, 0, 0};
+	char value[MAX_VALUE_STR_LEN];
+	unsigned char i, off = 0;
+	volatile int ret;
+
+	if (ctx->write)
+		return 0;
+
+	if (!is_tcp_mem(ctx))
+		return 0;
+
+	ret = bpf_sysctl_get_current_value(ctx, value, MAX_VALUE_STR_LEN);
+	if (ret < 0 || ret >= MAX_VALUE_STR_LEN)
+		return 0;
+
+#pragma clang loop unroll(full)
+	for (i = 0; i < ARRAY_SIZE(tcp_mem); ++i) {
+		ret = bpf_strtoul(value + off, MAX_ULONG_STR_LEN, 0,
+				  tcp_mem + i);
+		if (ret <= 0 || ret > MAX_ULONG_STR_LEN)
+			return 0;
+		off += ret & MAX_ULONG_STR_LEN;
+	}
+
+
+	return tcp_mem[0] < tcp_mem[1] && tcp_mem[1] < tcp_mem[2];
+}
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/test_task_pt_regs.c b/tools/testing/selftests/bpf/progs/test_task_pt_regs.c
new file mode 100644
index 000000000..1926facba
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_task_pt_regs.c
@@ -0,0 +1,36 @@
+// SPDX-License-Identifier: GPL-2.0
+
+#include "vmlinux.h"
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_tracing.h>
+
+#define PT_REGS_SIZE sizeof(struct pt_regs)
+
+/*
+ * The kernel struct pt_regs isn't exported in its entirety to userspace.
+ * Pass it as an array to task_pt_regs.c
+ */
+char current_regs[PT_REGS_SIZE] = {};
+char ctx_regs[PT_REGS_SIZE] = {};
+int uprobe_res = 0;
+
+SEC("uprobe")
+int handle_uprobe(struct pt_regs *ctx)
+{
+	struct task_struct *current;
+	struct pt_regs *regs;
+
+	current = bpf_get_current_task_btf();
+	regs = (struct pt_regs *) bpf_task_pt_regs(current);
+	if (bpf_probe_read_kernel(current_regs, PT_REGS_SIZE, regs))
+		return 0;
+	if (bpf_probe_read_kernel(ctx_regs, PT_REGS_SIZE, ctx))
+		return 0;
+
+	/* Prove that uprobe was run */
+	uprobe_res = 1;
+
+	return 0;
+}
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/test_tc_bpf.c b/tools/testing/selftests/bpf/progs/test_tc_bpf.c
new file mode 100644
index 000000000..d28ca8d1f
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_tc_bpf.c
@@ -0,0 +1,12 @@
+// SPDX-License-Identifier: GPL-2.0
+
+#include <linux/bpf.h>
+#include <bpf/bpf_helpers.h>
+
+/* Dummy prog to test TC-BPF API */
+
+SEC("tc")
+int cls(struct __sk_buff *skb)
+{
+	return 0;
+}
diff --git a/tools/testing/selftests/bpf/progs/test_tc_dtime.c b/tools/testing/selftests/bpf/progs/test_tc_dtime.c
new file mode 100644
index 000000000..125beec31
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_tc_dtime.c
@@ -0,0 +1,397 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (c) 2022 Meta
+
+#include <stddef.h>
+#include <stdint.h>
+#include <stdbool.h>
+#include <linux/bpf.h>
+#include <linux/stddef.h>
+#include <linux/pkt_cls.h>
+#include <linux/if_ether.h>
+#include <linux/in.h>
+#include <linux/ip.h>
+#include <linux/ipv6.h>
+#include <linux/tcp.h>
+#include <linux/udp.h>
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_endian.h>
+
+/* veth_src --- veth_src_fwd --- veth_det_fwd --- veth_dst
+ *           |                                 |
+ *  ns_src   |              ns_fwd             |   ns_dst
+ *
+ * ns_src and ns_dst: ENDHOST namespace
+ *            ns_fwd: Fowarding namespace
+ */
+
+#define ctx_ptr(field)		(void *)(long)(field)
+
+#define ip4_src			__bpf_htonl(0xac100164) /* 172.16.1.100 */
+#define ip4_dst			__bpf_htonl(0xac100264) /* 172.16.2.100 */
+
+#define ip6_src			{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \
+				  0x00, 0x01, 0xde, 0xad, 0xbe, 0xef, 0xca, 0xfe }
+#define ip6_dst			{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \
+				  0x00, 0x02, 0xde, 0xad, 0xbe, 0xef, 0xca, 0xfe }
+
+#define v6_equal(a, b)		(a.s6_addr32[0] == b.s6_addr32[0] && \
+				 a.s6_addr32[1] == b.s6_addr32[1] && \
+				 a.s6_addr32[2] == b.s6_addr32[2] && \
+				 a.s6_addr32[3] == b.s6_addr32[3])
+
+volatile const __u32 IFINDEX_SRC;
+volatile const __u32 IFINDEX_DST;
+
+#define EGRESS_ENDHOST_MAGIC	0x0b9fbeef
+#define INGRESS_FWDNS_MAGIC	0x1b9fbeef
+#define EGRESS_FWDNS_MAGIC	0x2b9fbeef
+
+enum {
+	INGRESS_FWDNS_P100,
+	INGRESS_FWDNS_P101,
+	EGRESS_FWDNS_P100,
+	EGRESS_FWDNS_P101,
+	INGRESS_ENDHOST,
+	EGRESS_ENDHOST,
+	SET_DTIME,
+	__MAX_CNT,
+};
+
+enum {
+	TCP_IP6_CLEAR_DTIME,
+	TCP_IP4,
+	TCP_IP6,
+	UDP_IP4,
+	UDP_IP6,
+	TCP_IP4_RT_FWD,
+	TCP_IP6_RT_FWD,
+	UDP_IP4_RT_FWD,
+	UDP_IP6_RT_FWD,
+	UKN_TEST,
+	__NR_TESTS,
+};
+
+enum {
+	SRC_NS = 1,
+	DST_NS,
+};
+
+__u32 dtimes[__NR_TESTS][__MAX_CNT] = {};
+__u32 errs[__NR_TESTS][__MAX_CNT] = {};
+__u32 test = 0;
+
+static void inc_dtimes(__u32 idx)
+{
+	if (test < __NR_TESTS)
+		dtimes[test][idx]++;
+	else
+		dtimes[UKN_TEST][idx]++;
+}
+
+static void inc_errs(__u32 idx)
+{
+	if (test < __NR_TESTS)
+		errs[test][idx]++;
+	else
+		errs[UKN_TEST][idx]++;
+}
+
+static int skb_proto(int type)
+{
+	return type & 0xff;
+}
+
+static int skb_ns(int type)
+{
+	return (type >> 8) & 0xff;
+}
+
+static bool fwdns_clear_dtime(void)
+{
+	return test == TCP_IP6_CLEAR_DTIME;
+}
+
+static bool bpf_fwd(void)
+{
+	return test < TCP_IP4_RT_FWD;
+}
+
+static __u8 get_proto(void)
+{
+	switch (test) {
+	case UDP_IP4:
+	case UDP_IP6:
+	case UDP_IP4_RT_FWD:
+	case UDP_IP6_RT_FWD:
+		return IPPROTO_UDP;
+	default:
+		return IPPROTO_TCP;
+	}
+}
+
+/* -1: parse error: TC_ACT_SHOT
+ *  0: not testing traffic: TC_ACT_OK
+ * >0: first byte is the inet_proto, second byte has the netns
+ *     of the sender
+ */
+static int skb_get_type(struct __sk_buff *skb)
+{
+	__u16 dst_ns_port = __bpf_htons(50000 + test);
+	void *data_end = ctx_ptr(skb->data_end);
+	void *data = ctx_ptr(skb->data);
+	__u8 inet_proto = 0, ns = 0;
+	struct ipv6hdr *ip6h;
+	__u16 sport, dport;
+	struct iphdr *iph;
+	struct tcphdr *th;
+	struct udphdr *uh;
+	void *trans;
+
+	switch (skb->protocol) {
+	case __bpf_htons(ETH_P_IP):
+		iph = data + sizeof(struct ethhdr);
+		if (iph + 1 > data_end)
+			return -1;
+		if (iph->saddr == ip4_src)
+			ns = SRC_NS;
+		else if (iph->saddr == ip4_dst)
+			ns = DST_NS;
+		inet_proto = iph->protocol;
+		trans = iph + 1;
+		break;
+	case __bpf_htons(ETH_P_IPV6):
+		ip6h = data + sizeof(struct ethhdr);
+		if (ip6h + 1 > data_end)
+			return -1;
+		if (v6_equal(ip6h->saddr, (struct in6_addr)ip6_src))
+			ns = SRC_NS;
+		else if (v6_equal(ip6h->saddr, (struct in6_addr)ip6_dst))
+			ns = DST_NS;
+		inet_proto = ip6h->nexthdr;
+		trans = ip6h + 1;
+		break;
+	default:
+		return 0;
+	}
+
+	/* skb is not from src_ns or dst_ns.
+	 * skb is not the testing IPPROTO.
+	 */
+	if (!ns || inet_proto != get_proto())
+		return 0;
+
+	switch (inet_proto) {
+	case IPPROTO_TCP:
+		th = trans;
+		if (th + 1 > data_end)
+			return -1;
+		sport = th->source;
+		dport = th->dest;
+		break;
+	case IPPROTO_UDP:
+		uh = trans;
+		if (uh + 1 > data_end)
+			return -1;
+		sport = uh->source;
+		dport = uh->dest;
+		break;
+	default:
+		return 0;
+	}
+
+	/* The skb is the testing traffic */
+	if ((ns == SRC_NS && dport == dst_ns_port) ||
+	    (ns == DST_NS && sport == dst_ns_port))
+		return (ns << 8 | inet_proto);
+
+	return 0;
+}
+
+/* format: direction@iface@netns
+ * egress@veth_(src|dst)@ns_(src|dst)
+ */
+SEC("tc")
+int egress_host(struct __sk_buff *skb)
+{
+	int skb_type;
+
+	skb_type = skb_get_type(skb);
+	if (skb_type == -1)
+		return TC_ACT_SHOT;
+	if (!skb_type)
+		return TC_ACT_OK;
+
+	if (skb_proto(skb_type) == IPPROTO_TCP) {
+		if (skb->tstamp_type == BPF_SKB_TSTAMP_DELIVERY_MONO &&
+		    skb->tstamp)
+			inc_dtimes(EGRESS_ENDHOST);
+		else
+			inc_errs(EGRESS_ENDHOST);
+	} else {
+		if (skb->tstamp_type == BPF_SKB_TSTAMP_UNSPEC &&
+		    skb->tstamp)
+			inc_dtimes(EGRESS_ENDHOST);
+		else
+			inc_errs(EGRESS_ENDHOST);
+	}
+
+	skb->tstamp = EGRESS_ENDHOST_MAGIC;
+
+	return TC_ACT_OK;
+}
+
+/* ingress@veth_(src|dst)@ns_(src|dst) */
+SEC("tc")
+int ingress_host(struct __sk_buff *skb)
+{
+	int skb_type;
+
+	skb_type = skb_get_type(skb);
+	if (skb_type == -1)
+		return TC_ACT_SHOT;
+	if (!skb_type)
+		return TC_ACT_OK;
+
+	if (skb->tstamp_type == BPF_SKB_TSTAMP_DELIVERY_MONO &&
+	    skb->tstamp == EGRESS_FWDNS_MAGIC)
+		inc_dtimes(INGRESS_ENDHOST);
+	else
+		inc_errs(INGRESS_ENDHOST);
+
+	return TC_ACT_OK;
+}
+
+/* ingress@veth_(src|dst)_fwd@ns_fwd priority 100 */
+SEC("tc")
+int ingress_fwdns_prio100(struct __sk_buff *skb)
+{
+	int skb_type;
+
+	skb_type = skb_get_type(skb);
+	if (skb_type == -1)
+		return TC_ACT_SHOT;
+	if (!skb_type)
+		return TC_ACT_OK;
+
+	/* delivery_time is only available to the ingress
+	 * if the tc-bpf checks the skb->tstamp_type.
+	 */
+	if (skb->tstamp == EGRESS_ENDHOST_MAGIC)
+		inc_errs(INGRESS_FWDNS_P100);
+
+	if (fwdns_clear_dtime())
+		skb->tstamp = 0;
+
+	return TC_ACT_UNSPEC;
+}
+
+/* egress@veth_(src|dst)_fwd@ns_fwd priority 100 */
+SEC("tc")
+int egress_fwdns_prio100(struct __sk_buff *skb)
+{
+	int skb_type;
+
+	skb_type = skb_get_type(skb);
+	if (skb_type == -1)
+		return TC_ACT_SHOT;
+	if (!skb_type)
+		return TC_ACT_OK;
+
+	/* delivery_time is always available to egress even
+	 * the tc-bpf did not use the tstamp_type.
+	 */
+	if (skb->tstamp == INGRESS_FWDNS_MAGIC)
+		inc_dtimes(EGRESS_FWDNS_P100);
+	else
+		inc_errs(EGRESS_FWDNS_P100);
+
+	if (fwdns_clear_dtime())
+		skb->tstamp = 0;
+
+	return TC_ACT_UNSPEC;
+}
+
+/* ingress@veth_(src|dst)_fwd@ns_fwd priority 101 */
+SEC("tc")
+int ingress_fwdns_prio101(struct __sk_buff *skb)
+{
+	__u64 expected_dtime = EGRESS_ENDHOST_MAGIC;
+	int skb_type;
+
+	skb_type = skb_get_type(skb);
+	if (skb_type == -1 || !skb_type)
+		/* Should have handled in prio100 */
+		return TC_ACT_SHOT;
+
+	if (skb_proto(skb_type) == IPPROTO_UDP)
+		expected_dtime = 0;
+
+	if (skb->tstamp_type) {
+		if (fwdns_clear_dtime() ||
+		    skb->tstamp_type != BPF_SKB_TSTAMP_DELIVERY_MONO ||
+		    skb->tstamp != expected_dtime)
+			inc_errs(INGRESS_FWDNS_P101);
+		else
+			inc_dtimes(INGRESS_FWDNS_P101);
+	} else {
+		if (!fwdns_clear_dtime() && expected_dtime)
+			inc_errs(INGRESS_FWDNS_P101);
+	}
+
+	if (skb->tstamp_type == BPF_SKB_TSTAMP_DELIVERY_MONO) {
+		skb->tstamp = INGRESS_FWDNS_MAGIC;
+	} else {
+		if (bpf_skb_set_tstamp(skb, INGRESS_FWDNS_MAGIC,
+				       BPF_SKB_TSTAMP_DELIVERY_MONO))
+			inc_errs(SET_DTIME);
+		if (!bpf_skb_set_tstamp(skb, INGRESS_FWDNS_MAGIC,
+					BPF_SKB_TSTAMP_UNSPEC))
+			inc_errs(SET_DTIME);
+	}
+
+	if (skb_ns(skb_type) == SRC_NS)
+		return bpf_fwd() ?
+			bpf_redirect_neigh(IFINDEX_DST, NULL, 0, 0) : TC_ACT_OK;
+	else
+		return bpf_fwd() ?
+			bpf_redirect_neigh(IFINDEX_SRC, NULL, 0, 0) : TC_ACT_OK;
+}
+
+/* egress@veth_(src|dst)_fwd@ns_fwd priority 101 */
+SEC("tc")
+int egress_fwdns_prio101(struct __sk_buff *skb)
+{
+	int skb_type;
+
+	skb_type = skb_get_type(skb);
+	if (skb_type == -1 || !skb_type)
+		/* Should have handled in prio100 */
+		return TC_ACT_SHOT;
+
+	if (skb->tstamp_type) {
+		if (fwdns_clear_dtime() ||
+		    skb->tstamp_type != BPF_SKB_TSTAMP_DELIVERY_MONO ||
+		    skb->tstamp != INGRESS_FWDNS_MAGIC)
+			inc_errs(EGRESS_FWDNS_P101);
+		else
+			inc_dtimes(EGRESS_FWDNS_P101);
+	} else {
+		if (!fwdns_clear_dtime())
+			inc_errs(EGRESS_FWDNS_P101);
+	}
+
+	if (skb->tstamp_type == BPF_SKB_TSTAMP_DELIVERY_MONO) {
+		skb->tstamp = EGRESS_FWDNS_MAGIC;
+	} else {
+		if (bpf_skb_set_tstamp(skb, EGRESS_FWDNS_MAGIC,
+				       BPF_SKB_TSTAMP_DELIVERY_MONO))
+			inc_errs(SET_DTIME);
+		if (!bpf_skb_set_tstamp(skb, INGRESS_FWDNS_MAGIC,
+					BPF_SKB_TSTAMP_UNSPEC))
+			inc_errs(SET_DTIME);
+	}
+
+	return TC_ACT_OK;
+}
+
+char __license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/test_tc_edt.c b/tools/testing/selftests/bpf/progs/test_tc_edt.c
new file mode 100644
index 000000000..950a70b61
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_tc_edt.c
@@ -0,0 +1,110 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <stdint.h>
+#include <linux/bpf.h>
+#include <linux/if_ether.h>
+#include <linux/stddef.h>
+#include <linux/in.h>
+#include <linux/ip.h>
+#include <linux/pkt_cls.h>
+#include <linux/tcp.h>
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_endian.h>
+
+/* the maximum delay we are willing to add (drop packets beyond that) */
+#define TIME_HORIZON_NS (2000 * 1000 * 1000)
+#define NS_PER_SEC 1000000000
+#define ECN_HORIZON_NS 5000000
+#define THROTTLE_RATE_BPS (5 * 1000 * 1000)
+
+/* flow_key => last_tstamp timestamp used */
+struct {
+	__uint(type, BPF_MAP_TYPE_HASH);
+	__type(key, uint32_t);
+	__type(value, uint64_t);
+	__uint(max_entries, 1);
+} flow_map SEC(".maps");
+
+static inline int throttle_flow(struct __sk_buff *skb)
+{
+	int key = 0;
+	uint64_t *last_tstamp = bpf_map_lookup_elem(&flow_map, &key);
+	uint64_t delay_ns = ((uint64_t)skb->len) * NS_PER_SEC /
+			THROTTLE_RATE_BPS;
+	uint64_t now = bpf_ktime_get_ns();
+	uint64_t tstamp, next_tstamp = 0;
+
+	if (last_tstamp)
+		next_tstamp = *last_tstamp + delay_ns;
+
+	tstamp = skb->tstamp;
+	if (tstamp < now)
+		tstamp = now;
+
+	/* should we throttle? */
+	if (next_tstamp <= tstamp) {
+		if (bpf_map_update_elem(&flow_map, &key, &tstamp, BPF_ANY))
+			return TC_ACT_SHOT;
+		return TC_ACT_OK;
+	}
+
+	/* do not queue past the time horizon */
+	if (next_tstamp - now >= TIME_HORIZON_NS)
+		return TC_ACT_SHOT;
+
+	/* set ecn bit, if needed */
+	if (next_tstamp - now >= ECN_HORIZON_NS)
+		bpf_skb_ecn_set_ce(skb);
+
+	if (bpf_map_update_elem(&flow_map, &key, &next_tstamp, BPF_EXIST))
+		return TC_ACT_SHOT;
+	skb->tstamp = next_tstamp;
+
+	return TC_ACT_OK;
+}
+
+static inline int handle_tcp(struct __sk_buff *skb, struct tcphdr *tcp)
+{
+	void *data_end = (void *)(long)skb->data_end;
+
+	/* drop malformed packets */
+	if ((void *)(tcp + 1) > data_end)
+		return TC_ACT_SHOT;
+
+	if (tcp->dest == bpf_htons(9000))
+		return throttle_flow(skb);
+
+	return TC_ACT_OK;
+}
+
+static inline int handle_ipv4(struct __sk_buff *skb)
+{
+	void *data_end = (void *)(long)skb->data_end;
+	void *data = (void *)(long)skb->data;
+	struct iphdr *iph;
+	uint32_t ihl;
+
+	/* drop malformed packets */
+	if (data + sizeof(struct ethhdr) > data_end)
+		return TC_ACT_SHOT;
+	iph = (struct iphdr *)(data + sizeof(struct ethhdr));
+	if ((void *)(iph + 1) > data_end)
+		return TC_ACT_SHOT;
+	ihl = iph->ihl * 4;
+	if (((void *)iph) + ihl > data_end)
+		return TC_ACT_SHOT;
+
+	if (iph->protocol == IPPROTO_TCP)
+		return handle_tcp(skb, (struct tcphdr *)(((void *)iph) + ihl));
+
+	return TC_ACT_OK;
+}
+
+SEC("cls_test") int tc_prog(struct __sk_buff *skb)
+{
+	if (skb->protocol == bpf_htons(ETH_P_IP))
+		return handle_ipv4(skb);
+
+	return TC_ACT_OK;
+}
+
+char __license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/test_tc_neigh.c b/tools/testing/selftests/bpf/progs/test_tc_neigh.c
new file mode 100644
index 000000000..3e32ea375
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_tc_neigh.c
@@ -0,0 +1,136 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <stddef.h>
+#include <stdint.h>
+#include <stdbool.h>
+
+#include <linux/bpf.h>
+#include <linux/stddef.h>
+#include <linux/pkt_cls.h>
+#include <linux/if_ether.h>
+#include <linux/in.h>
+#include <linux/ip.h>
+#include <linux/ipv6.h>
+
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_endian.h>
+
+#ifndef ctx_ptr
+# define ctx_ptr(field)		(void *)(long)(field)
+#endif
+
+#define ip4_src			0xac100164 /* 172.16.1.100 */
+#define ip4_dst			0xac100264 /* 172.16.2.100 */
+
+#define ip6_src			{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \
+				  0x00, 0x01, 0xde, 0xad, 0xbe, 0xef, 0xca, 0xfe }
+#define ip6_dst			{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \
+				  0x00, 0x02, 0xde, 0xad, 0xbe, 0xef, 0xca, 0xfe }
+
+#ifndef v6_equal
+# define v6_equal(a, b)		(a.s6_addr32[0] == b.s6_addr32[0] && \
+				 a.s6_addr32[1] == b.s6_addr32[1] && \
+				 a.s6_addr32[2] == b.s6_addr32[2] && \
+				 a.s6_addr32[3] == b.s6_addr32[3])
+#endif
+
+volatile const __u32 IFINDEX_SRC;
+volatile const __u32 IFINDEX_DST;
+
+static __always_inline bool is_remote_ep_v4(struct __sk_buff *skb,
+					    __be32 addr)
+{
+	void *data_end = ctx_ptr(skb->data_end);
+	void *data = ctx_ptr(skb->data);
+	struct iphdr *ip4h;
+
+	if (data + sizeof(struct ethhdr) > data_end)
+		return false;
+
+	ip4h = (struct iphdr *)(data + sizeof(struct ethhdr));
+	if ((void *)(ip4h + 1) > data_end)
+		return false;
+
+	return ip4h->daddr == addr;
+}
+
+static __always_inline bool is_remote_ep_v6(struct __sk_buff *skb,
+					    struct in6_addr addr)
+{
+	void *data_end = ctx_ptr(skb->data_end);
+	void *data = ctx_ptr(skb->data);
+	struct ipv6hdr *ip6h;
+
+	if (data + sizeof(struct ethhdr) > data_end)
+		return false;
+
+	ip6h = (struct ipv6hdr *)(data + sizeof(struct ethhdr));
+	if ((void *)(ip6h + 1) > data_end)
+		return false;
+
+	return v6_equal(ip6h->daddr, addr);
+}
+
+SEC("tc")
+int tc_chk(struct __sk_buff *skb)
+{
+	void *data_end = ctx_ptr(skb->data_end);
+	void *data = ctx_ptr(skb->data);
+	__u32 *raw = data;
+
+	if (data + sizeof(struct ethhdr) > data_end)
+		return TC_ACT_SHOT;
+
+	return !raw[0] && !raw[1] && !raw[2] ? TC_ACT_SHOT : TC_ACT_OK;
+}
+
+SEC("tc")
+int tc_dst(struct __sk_buff *skb)
+{
+	__u8 zero[ETH_ALEN * 2];
+	bool redirect = false;
+
+	switch (skb->protocol) {
+	case __bpf_constant_htons(ETH_P_IP):
+		redirect = is_remote_ep_v4(skb, __bpf_constant_htonl(ip4_src));
+		break;
+	case __bpf_constant_htons(ETH_P_IPV6):
+		redirect = is_remote_ep_v6(skb, (struct in6_addr)ip6_src);
+		break;
+	}
+
+	if (!redirect)
+		return TC_ACT_OK;
+
+	__builtin_memset(&zero, 0, sizeof(zero));
+	if (bpf_skb_store_bytes(skb, 0, &zero, sizeof(zero), 0) < 0)
+		return TC_ACT_SHOT;
+
+	return bpf_redirect_neigh(IFINDEX_SRC, NULL, 0, 0);
+}
+
+SEC("tc")
+int tc_src(struct __sk_buff *skb)
+{
+	__u8 zero[ETH_ALEN * 2];
+	bool redirect = false;
+
+	switch (skb->protocol) {
+	case __bpf_constant_htons(ETH_P_IP):
+		redirect = is_remote_ep_v4(skb, __bpf_constant_htonl(ip4_dst));
+		break;
+	case __bpf_constant_htons(ETH_P_IPV6):
+		redirect = is_remote_ep_v6(skb, (struct in6_addr)ip6_dst);
+		break;
+	}
+
+	if (!redirect)
+		return TC_ACT_OK;
+
+	__builtin_memset(&zero, 0, sizeof(zero));
+	if (bpf_skb_store_bytes(skb, 0, &zero, sizeof(zero), 0) < 0)
+		return TC_ACT_SHOT;
+
+	return bpf_redirect_neigh(IFINDEX_DST, NULL, 0, 0);
+}
+
+char __license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/test_tc_neigh_fib.c b/tools/testing/selftests/bpf/progs/test_tc_neigh_fib.c
new file mode 100644
index 000000000..ec4cce193
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_tc_neigh_fib.c
@@ -0,0 +1,158 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <stdint.h>
+#include <stdbool.h>
+#include <stddef.h>
+
+#include <linux/bpf.h>
+#include <linux/stddef.h>
+#include <linux/pkt_cls.h>
+#include <linux/if_ether.h>
+#include <linux/in.h>
+#include <linux/ip.h>
+#include <linux/ipv6.h>
+
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_endian.h>
+
+#ifndef ctx_ptr
+# define ctx_ptr(field)		(void *)(long)(field)
+#endif
+
+#define AF_INET 2
+#define AF_INET6 10
+
+static __always_inline int fill_fib_params_v4(struct __sk_buff *skb,
+					      struct bpf_fib_lookup *fib_params)
+{
+	void *data_end = ctx_ptr(skb->data_end);
+	void *data = ctx_ptr(skb->data);
+	struct iphdr *ip4h;
+
+	if (data + sizeof(struct ethhdr) > data_end)
+		return -1;
+
+	ip4h = (struct iphdr *)(data + sizeof(struct ethhdr));
+	if ((void *)(ip4h + 1) > data_end)
+		return -1;
+
+	fib_params->family = AF_INET;
+	fib_params->tos = ip4h->tos;
+	fib_params->l4_protocol = ip4h->protocol;
+	fib_params->sport = 0;
+	fib_params->dport = 0;
+	fib_params->tot_len = bpf_ntohs(ip4h->tot_len);
+	fib_params->ipv4_src = ip4h->saddr;
+	fib_params->ipv4_dst = ip4h->daddr;
+
+	return 0;
+}
+
+static __always_inline int fill_fib_params_v6(struct __sk_buff *skb,
+					      struct bpf_fib_lookup *fib_params)
+{
+	struct in6_addr *src = (struct in6_addr *)fib_params->ipv6_src;
+	struct in6_addr *dst = (struct in6_addr *)fib_params->ipv6_dst;
+	void *data_end = ctx_ptr(skb->data_end);
+	void *data = ctx_ptr(skb->data);
+	struct ipv6hdr *ip6h;
+
+	if (data + sizeof(struct ethhdr) > data_end)
+		return -1;
+
+	ip6h = (struct ipv6hdr *)(data + sizeof(struct ethhdr));
+	if ((void *)(ip6h + 1) > data_end)
+		return -1;
+
+	fib_params->family = AF_INET6;
+	fib_params->flowinfo = 0;
+	fib_params->l4_protocol = ip6h->nexthdr;
+	fib_params->sport = 0;
+	fib_params->dport = 0;
+	fib_params->tot_len = bpf_ntohs(ip6h->payload_len);
+	*src = ip6h->saddr;
+	*dst = ip6h->daddr;
+
+	return 0;
+}
+
+SEC("tc")
+int tc_chk(struct __sk_buff *skb)
+{
+	void *data_end = ctx_ptr(skb->data_end);
+	void *data = ctx_ptr(skb->data);
+	__u32 *raw = data;
+
+	if (data + sizeof(struct ethhdr) > data_end)
+		return TC_ACT_SHOT;
+
+	return !raw[0] && !raw[1] && !raw[2] ? TC_ACT_SHOT : TC_ACT_OK;
+}
+
+static __always_inline int tc_redir(struct __sk_buff *skb)
+{
+	struct bpf_fib_lookup fib_params = { .ifindex = skb->ingress_ifindex };
+	__u8 zero[ETH_ALEN * 2];
+	int ret = -1;
+
+	switch (skb->protocol) {
+	case __bpf_constant_htons(ETH_P_IP):
+		ret = fill_fib_params_v4(skb, &fib_params);
+		break;
+	case __bpf_constant_htons(ETH_P_IPV6):
+		ret = fill_fib_params_v6(skb, &fib_params);
+		break;
+	}
+
+	if (ret)
+		return TC_ACT_OK;
+
+	ret = bpf_fib_lookup(skb, &fib_params, sizeof(fib_params), 0);
+	if (ret == BPF_FIB_LKUP_RET_NOT_FWDED || ret < 0)
+		return TC_ACT_OK;
+
+	__builtin_memset(&zero, 0, sizeof(zero));
+	if (bpf_skb_store_bytes(skb, 0, &zero, sizeof(zero), 0) < 0)
+		return TC_ACT_SHOT;
+
+	if (ret == BPF_FIB_LKUP_RET_NO_NEIGH) {
+		struct bpf_redir_neigh nh_params = {};
+
+		nh_params.nh_family = fib_params.family;
+		__builtin_memcpy(&nh_params.ipv6_nh, &fib_params.ipv6_dst,
+				 sizeof(nh_params.ipv6_nh));
+
+		return bpf_redirect_neigh(fib_params.ifindex, &nh_params,
+					  sizeof(nh_params), 0);
+
+	} else if (ret == BPF_FIB_LKUP_RET_SUCCESS) {
+		void *data_end = ctx_ptr(skb->data_end);
+		struct ethhdr *eth = ctx_ptr(skb->data);
+
+		if (eth + 1 > data_end)
+			return TC_ACT_SHOT;
+
+		__builtin_memcpy(eth->h_dest, fib_params.dmac, ETH_ALEN);
+		__builtin_memcpy(eth->h_source, fib_params.smac, ETH_ALEN);
+
+		return bpf_redirect(fib_params.ifindex, 0);
+	}
+
+	return TC_ACT_SHOT;
+}
+
+/* these are identical, but keep them separate for compatibility with the
+ * section names expected by test_tc_redirect.sh
+ */
+SEC("tc")
+int tc_dst(struct __sk_buff *skb)
+{
+	return tc_redir(skb);
+}
+
+SEC("tc")
+int tc_src(struct __sk_buff *skb)
+{
+	return tc_redir(skb);
+}
+
+char __license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/test_tc_peer.c b/tools/testing/selftests/bpf/progs/test_tc_peer.c
new file mode 100644
index 000000000..365eacb5d
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_tc_peer.c
@@ -0,0 +1,63 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <stdint.h>
+#include <stdbool.h>
+
+#include <linux/bpf.h>
+#include <linux/stddef.h>
+#include <linux/pkt_cls.h>
+#include <linux/if_ether.h>
+#include <linux/ip.h>
+
+#include <bpf/bpf_helpers.h>
+
+volatile const __u32 IFINDEX_SRC;
+volatile const __u32 IFINDEX_DST;
+
+static const __u8 src_mac[] = {0x00, 0x11, 0x22, 0x33, 0x44, 0x55};
+static const __u8 dst_mac[] = {0x00, 0x22, 0x33, 0x44, 0x55, 0x66};
+
+SEC("tc")
+int tc_chk(struct __sk_buff *skb)
+{
+	return TC_ACT_SHOT;
+}
+
+SEC("tc")
+int tc_dst(struct __sk_buff *skb)
+{
+	return bpf_redirect_peer(IFINDEX_SRC, 0);
+}
+
+SEC("tc")
+int tc_src(struct __sk_buff *skb)
+{
+	return bpf_redirect_peer(IFINDEX_DST, 0);
+}
+
+SEC("tc")
+int tc_dst_l3(struct __sk_buff *skb)
+{
+	return bpf_redirect(IFINDEX_SRC, 0);
+}
+
+SEC("tc")
+int tc_src_l3(struct __sk_buff *skb)
+{
+	__u16 proto = skb->protocol;
+
+	if (bpf_skb_change_head(skb, ETH_HLEN, 0) != 0)
+		return TC_ACT_SHOT;
+
+	if (bpf_skb_store_bytes(skb, 0, &src_mac, ETH_ALEN, 0) != 0)
+		return TC_ACT_SHOT;
+
+	if (bpf_skb_store_bytes(skb, ETH_ALEN, &dst_mac, ETH_ALEN, 0) != 0)
+		return TC_ACT_SHOT;
+
+	if (bpf_skb_store_bytes(skb, ETH_ALEN + ETH_ALEN, &proto, sizeof(__u16), 0) != 0)
+		return TC_ACT_SHOT;
+
+	return bpf_redirect_peer(IFINDEX_DST, 0);
+}
+
+char __license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/test_tc_tunnel.c b/tools/testing/selftests/bpf/progs/test_tc_tunnel.c
new file mode 100644
index 000000000..a0e7762b1
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_tc_tunnel.c
@@ -0,0 +1,620 @@
+// SPDX-License-Identifier: GPL-2.0
+
+/* In-place tunneling */
+
+#include <stdbool.h>
+#include <string.h>
+
+#include <linux/stddef.h>
+#include <linux/bpf.h>
+#include <linux/if_ether.h>
+#include <linux/in.h>
+#include <linux/ip.h>
+#include <linux/ipv6.h>
+#include <linux/mpls.h>
+#include <linux/tcp.h>
+#include <linux/udp.h>
+#include <linux/pkt_cls.h>
+#include <linux/types.h>
+
+#include <bpf/bpf_endian.h>
+#include <bpf/bpf_helpers.h>
+
+static const int cfg_port = 8000;
+
+static const int cfg_udp_src = 20000;
+
+#define	L2_PAD_SZ	(sizeof(struct vxlanhdr) + ETH_HLEN)
+
+#define	UDP_PORT		5555
+#define	MPLS_OVER_UDP_PORT	6635
+#define	ETH_OVER_UDP_PORT	7777
+#define	VXLAN_UDP_PORT		8472
+
+#define	EXTPROTO_VXLAN	0x1
+
+#define	VXLAN_N_VID     (1u << 24)
+#define	VXLAN_VNI_MASK	bpf_htonl((VXLAN_N_VID - 1) << 8)
+#define	VXLAN_FLAGS     0x8
+#define	VXLAN_VNI       1
+
+/* MPLS label 1000 with S bit (last label) set and ttl of 255. */
+static const __u32 mpls_label = __bpf_constant_htonl(1000 << 12 |
+						     MPLS_LS_S_MASK | 0xff);
+
+struct vxlanhdr {
+	__be32 vx_flags;
+	__be32 vx_vni;
+} __attribute__((packed));
+
+struct gre_hdr {
+	__be16 flags;
+	__be16 protocol;
+} __attribute__((packed));
+
+union l4hdr {
+	struct udphdr udp;
+	struct gre_hdr gre;
+};
+
+struct v4hdr {
+	struct iphdr ip;
+	union l4hdr l4hdr;
+	__u8 pad[L2_PAD_SZ];		/* space for L2 header / vxlan header ... */
+} __attribute__((packed));
+
+struct v6hdr {
+	struct ipv6hdr ip;
+	union l4hdr l4hdr;
+	__u8 pad[L2_PAD_SZ];		/* space for L2 header / vxlan header ... */
+} __attribute__((packed));
+
+static __always_inline void set_ipv4_csum(struct iphdr *iph)
+{
+	__u16 *iph16 = (__u16 *)iph;
+	__u32 csum;
+	int i;
+
+	iph->check = 0;
+
+#pragma clang loop unroll(full)
+	for (i = 0, csum = 0; i < sizeof(*iph) >> 1; i++)
+		csum += *iph16++;
+
+	iph->check = ~((csum & 0xffff) + (csum >> 16));
+}
+
+static __always_inline int __encap_ipv4(struct __sk_buff *skb, __u8 encap_proto,
+					__u16 l2_proto, __u16 ext_proto)
+{
+	__u16 udp_dst = UDP_PORT;
+	struct iphdr iph_inner;
+	struct v4hdr h_outer;
+	struct tcphdr tcph;
+	int olen, l2_len;
+	__u8 *l2_hdr = NULL;
+	int tcp_off;
+	__u64 flags;
+
+	/* Most tests encapsulate a packet into a tunnel with the same
+	 * network protocol, and derive the outer header fields from
+	 * the inner header.
+	 *
+	 * The 6in4 case tests different inner and outer protocols. As
+	 * the inner is ipv6, but the outer expects an ipv4 header as
+	 * input, manually build a struct iphdr based on the ipv6hdr.
+	 */
+	if (encap_proto == IPPROTO_IPV6) {
+		const __u32 saddr = (192 << 24) | (168 << 16) | (1 << 8) | 1;
+		const __u32 daddr = (192 << 24) | (168 << 16) | (1 << 8) | 2;
+		struct ipv6hdr iph6_inner;
+
+		/* Read the IPv6 header */
+		if (bpf_skb_load_bytes(skb, ETH_HLEN, &iph6_inner,
+				       sizeof(iph6_inner)) < 0)
+			return TC_ACT_OK;
+
+		/* Derive the IPv4 header fields from the IPv6 header */
+		memset(&iph_inner, 0, sizeof(iph_inner));
+		iph_inner.version = 4;
+		iph_inner.ihl = 5;
+		iph_inner.tot_len = bpf_htons(sizeof(iph6_inner) +
+				    bpf_ntohs(iph6_inner.payload_len));
+		iph_inner.ttl = iph6_inner.hop_limit - 1;
+		iph_inner.protocol = iph6_inner.nexthdr;
+		iph_inner.saddr = __bpf_constant_htonl(saddr);
+		iph_inner.daddr = __bpf_constant_htonl(daddr);
+
+		tcp_off = sizeof(iph6_inner);
+	} else {
+		if (bpf_skb_load_bytes(skb, ETH_HLEN, &iph_inner,
+				       sizeof(iph_inner)) < 0)
+			return TC_ACT_OK;
+
+		tcp_off = sizeof(iph_inner);
+	}
+
+	/* filter only packets we want */
+	if (iph_inner.ihl != 5 || iph_inner.protocol != IPPROTO_TCP)
+		return TC_ACT_OK;
+
+	if (bpf_skb_load_bytes(skb, ETH_HLEN + tcp_off,
+			       &tcph, sizeof(tcph)) < 0)
+		return TC_ACT_OK;
+
+	if (tcph.dest != __bpf_constant_htons(cfg_port))
+		return TC_ACT_OK;
+
+	olen = sizeof(h_outer.ip);
+	l2_len = 0;
+
+	flags = BPF_F_ADJ_ROOM_FIXED_GSO | BPF_F_ADJ_ROOM_ENCAP_L3_IPV4;
+
+	switch (l2_proto) {
+	case ETH_P_MPLS_UC:
+		l2_len = sizeof(mpls_label);
+		udp_dst = MPLS_OVER_UDP_PORT;
+		break;
+	case ETH_P_TEB:
+		l2_len = ETH_HLEN;
+		if (ext_proto & EXTPROTO_VXLAN) {
+			udp_dst = VXLAN_UDP_PORT;
+			l2_len += sizeof(struct vxlanhdr);
+		} else
+			udp_dst = ETH_OVER_UDP_PORT;
+		break;
+	}
+	flags |= BPF_F_ADJ_ROOM_ENCAP_L2(l2_len);
+
+	switch (encap_proto) {
+	case IPPROTO_GRE:
+		flags |= BPF_F_ADJ_ROOM_ENCAP_L4_GRE;
+		olen += sizeof(h_outer.l4hdr.gre);
+		h_outer.l4hdr.gre.protocol = bpf_htons(l2_proto);
+		h_outer.l4hdr.gre.flags = 0;
+		break;
+	case IPPROTO_UDP:
+		flags |= BPF_F_ADJ_ROOM_ENCAP_L4_UDP;
+		olen += sizeof(h_outer.l4hdr.udp);
+		h_outer.l4hdr.udp.source = __bpf_constant_htons(cfg_udp_src);
+		h_outer.l4hdr.udp.dest = bpf_htons(udp_dst);
+		h_outer.l4hdr.udp.check = 0;
+		h_outer.l4hdr.udp.len = bpf_htons(bpf_ntohs(iph_inner.tot_len) +
+						  sizeof(h_outer.l4hdr.udp) +
+						  l2_len);
+		break;
+	case IPPROTO_IPIP:
+	case IPPROTO_IPV6:
+		break;
+	default:
+		return TC_ACT_OK;
+	}
+
+	/* add L2 encap (if specified) */
+	l2_hdr = (__u8 *)&h_outer + olen;
+	switch (l2_proto) {
+	case ETH_P_MPLS_UC:
+		*(__u32 *)l2_hdr = mpls_label;
+		break;
+	case ETH_P_TEB:
+		flags |= BPF_F_ADJ_ROOM_ENCAP_L2_ETH;
+
+		if (ext_proto & EXTPROTO_VXLAN) {
+			struct vxlanhdr *vxlan_hdr = (struct vxlanhdr *)l2_hdr;
+
+			vxlan_hdr->vx_flags = VXLAN_FLAGS;
+			vxlan_hdr->vx_vni = bpf_htonl((VXLAN_VNI & VXLAN_VNI_MASK) << 8);
+
+			l2_hdr += sizeof(struct vxlanhdr);
+		}
+
+		if (bpf_skb_load_bytes(skb, 0, l2_hdr, ETH_HLEN))
+			return TC_ACT_SHOT;
+
+		break;
+	}
+	olen += l2_len;
+
+	/* add room between mac and network header */
+	if (bpf_skb_adjust_room(skb, olen, BPF_ADJ_ROOM_MAC, flags))
+		return TC_ACT_SHOT;
+
+	/* prepare new outer network header */
+	h_outer.ip = iph_inner;
+	h_outer.ip.tot_len = bpf_htons(olen +
+				       bpf_ntohs(h_outer.ip.tot_len));
+	h_outer.ip.protocol = encap_proto;
+
+	set_ipv4_csum((void *)&h_outer.ip);
+
+	/* store new outer network header */
+	if (bpf_skb_store_bytes(skb, ETH_HLEN, &h_outer, olen,
+				BPF_F_INVALIDATE_HASH) < 0)
+		return TC_ACT_SHOT;
+
+	/* if changing outer proto type, update eth->h_proto */
+	if (encap_proto == IPPROTO_IPV6) {
+		struct ethhdr eth;
+
+		if (bpf_skb_load_bytes(skb, 0, &eth, sizeof(eth)) < 0)
+			return TC_ACT_SHOT;
+		eth.h_proto = bpf_htons(ETH_P_IP);
+		if (bpf_skb_store_bytes(skb, 0, &eth, sizeof(eth), 0) < 0)
+			return TC_ACT_SHOT;
+	}
+
+	return TC_ACT_OK;
+}
+
+static __always_inline int encap_ipv4(struct __sk_buff *skb, __u8 encap_proto,
+				      __u16 l2_proto)
+{
+	return __encap_ipv4(skb, encap_proto, l2_proto, 0);
+}
+
+static __always_inline int __encap_ipv6(struct __sk_buff *skb, __u8 encap_proto,
+					__u16 l2_proto, __u16 ext_proto)
+{
+	__u16 udp_dst = UDP_PORT;
+	struct ipv6hdr iph_inner;
+	struct v6hdr h_outer;
+	struct tcphdr tcph;
+	int olen, l2_len;
+	__u8 *l2_hdr = NULL;
+	__u16 tot_len;
+	__u64 flags;
+
+	if (bpf_skb_load_bytes(skb, ETH_HLEN, &iph_inner,
+			       sizeof(iph_inner)) < 0)
+		return TC_ACT_OK;
+
+	/* filter only packets we want */
+	if (bpf_skb_load_bytes(skb, ETH_HLEN + sizeof(iph_inner),
+			       &tcph, sizeof(tcph)) < 0)
+		return TC_ACT_OK;
+
+	if (tcph.dest != __bpf_constant_htons(cfg_port))
+		return TC_ACT_OK;
+
+	olen = sizeof(h_outer.ip);
+	l2_len = 0;
+
+	flags = BPF_F_ADJ_ROOM_FIXED_GSO | BPF_F_ADJ_ROOM_ENCAP_L3_IPV6;
+
+	switch (l2_proto) {
+	case ETH_P_MPLS_UC:
+		l2_len = sizeof(mpls_label);
+		udp_dst = MPLS_OVER_UDP_PORT;
+		break;
+	case ETH_P_TEB:
+		l2_len = ETH_HLEN;
+		if (ext_proto & EXTPROTO_VXLAN) {
+			udp_dst = VXLAN_UDP_PORT;
+			l2_len += sizeof(struct vxlanhdr);
+		} else
+			udp_dst = ETH_OVER_UDP_PORT;
+		break;
+	}
+	flags |= BPF_F_ADJ_ROOM_ENCAP_L2(l2_len);
+
+	switch (encap_proto) {
+	case IPPROTO_GRE:
+		flags |= BPF_F_ADJ_ROOM_ENCAP_L4_GRE;
+		olen += sizeof(h_outer.l4hdr.gre);
+		h_outer.l4hdr.gre.protocol = bpf_htons(l2_proto);
+		h_outer.l4hdr.gre.flags = 0;
+		break;
+	case IPPROTO_UDP:
+		flags |= BPF_F_ADJ_ROOM_ENCAP_L4_UDP;
+		olen += sizeof(h_outer.l4hdr.udp);
+		h_outer.l4hdr.udp.source = __bpf_constant_htons(cfg_udp_src);
+		h_outer.l4hdr.udp.dest = bpf_htons(udp_dst);
+		tot_len = bpf_ntohs(iph_inner.payload_len) + sizeof(iph_inner) +
+			  sizeof(h_outer.l4hdr.udp) + l2_len;
+		h_outer.l4hdr.udp.check = 0;
+		h_outer.l4hdr.udp.len = bpf_htons(tot_len);
+		break;
+	case IPPROTO_IPV6:
+		break;
+	default:
+		return TC_ACT_OK;
+	}
+
+	/* add L2 encap (if specified) */
+	l2_hdr = (__u8 *)&h_outer + olen;
+	switch (l2_proto) {
+	case ETH_P_MPLS_UC:
+		*(__u32 *)l2_hdr = mpls_label;
+		break;
+	case ETH_P_TEB:
+		flags |= BPF_F_ADJ_ROOM_ENCAP_L2_ETH;
+
+		if (ext_proto & EXTPROTO_VXLAN) {
+			struct vxlanhdr *vxlan_hdr = (struct vxlanhdr *)l2_hdr;
+
+			vxlan_hdr->vx_flags = VXLAN_FLAGS;
+			vxlan_hdr->vx_vni = bpf_htonl((VXLAN_VNI & VXLAN_VNI_MASK) << 8);
+
+			l2_hdr += sizeof(struct vxlanhdr);
+		}
+
+		if (bpf_skb_load_bytes(skb, 0, l2_hdr, ETH_HLEN))
+			return TC_ACT_SHOT;
+		break;
+	}
+	olen += l2_len;
+
+	/* add room between mac and network header */
+	if (bpf_skb_adjust_room(skb, olen, BPF_ADJ_ROOM_MAC, flags))
+		return TC_ACT_SHOT;
+
+	/* prepare new outer network header */
+	h_outer.ip = iph_inner;
+	h_outer.ip.payload_len = bpf_htons(olen +
+					   bpf_ntohs(h_outer.ip.payload_len));
+
+	h_outer.ip.nexthdr = encap_proto;
+
+	/* store new outer network header */
+	if (bpf_skb_store_bytes(skb, ETH_HLEN, &h_outer, olen,
+				BPF_F_INVALIDATE_HASH) < 0)
+		return TC_ACT_SHOT;
+
+	return TC_ACT_OK;
+}
+
+static __always_inline int encap_ipv6(struct __sk_buff *skb, __u8 encap_proto,
+				      __u16 l2_proto)
+{
+	return __encap_ipv6(skb, encap_proto, l2_proto, 0);
+}
+
+SEC("encap_ipip_none")
+int __encap_ipip_none(struct __sk_buff *skb)
+{
+	if (skb->protocol == __bpf_constant_htons(ETH_P_IP))
+		return encap_ipv4(skb, IPPROTO_IPIP, ETH_P_IP);
+	else
+		return TC_ACT_OK;
+}
+
+SEC("encap_gre_none")
+int __encap_gre_none(struct __sk_buff *skb)
+{
+	if (skb->protocol == __bpf_constant_htons(ETH_P_IP))
+		return encap_ipv4(skb, IPPROTO_GRE, ETH_P_IP);
+	else
+		return TC_ACT_OK;
+}
+
+SEC("encap_gre_mpls")
+int __encap_gre_mpls(struct __sk_buff *skb)
+{
+	if (skb->protocol == __bpf_constant_htons(ETH_P_IP))
+		return encap_ipv4(skb, IPPROTO_GRE, ETH_P_MPLS_UC);
+	else
+		return TC_ACT_OK;
+}
+
+SEC("encap_gre_eth")
+int __encap_gre_eth(struct __sk_buff *skb)
+{
+	if (skb->protocol == __bpf_constant_htons(ETH_P_IP))
+		return encap_ipv4(skb, IPPROTO_GRE, ETH_P_TEB);
+	else
+		return TC_ACT_OK;
+}
+
+SEC("encap_udp_none")
+int __encap_udp_none(struct __sk_buff *skb)
+{
+	if (skb->protocol == __bpf_constant_htons(ETH_P_IP))
+		return encap_ipv4(skb, IPPROTO_UDP, ETH_P_IP);
+	else
+		return TC_ACT_OK;
+}
+
+SEC("encap_udp_mpls")
+int __encap_udp_mpls(struct __sk_buff *skb)
+{
+	if (skb->protocol == __bpf_constant_htons(ETH_P_IP))
+		return encap_ipv4(skb, IPPROTO_UDP, ETH_P_MPLS_UC);
+	else
+		return TC_ACT_OK;
+}
+
+SEC("encap_udp_eth")
+int __encap_udp_eth(struct __sk_buff *skb)
+{
+	if (skb->protocol == __bpf_constant_htons(ETH_P_IP))
+		return encap_ipv4(skb, IPPROTO_UDP, ETH_P_TEB);
+	else
+		return TC_ACT_OK;
+}
+
+SEC("encap_vxlan_eth")
+int __encap_vxlan_eth(struct __sk_buff *skb)
+{
+	if (skb->protocol == __bpf_constant_htons(ETH_P_IP))
+		return __encap_ipv4(skb, IPPROTO_UDP,
+				    ETH_P_TEB,
+				    EXTPROTO_VXLAN);
+	else
+		return TC_ACT_OK;
+}
+
+SEC("encap_sit_none")
+int __encap_sit_none(struct __sk_buff *skb)
+{
+	if (skb->protocol == __bpf_constant_htons(ETH_P_IPV6))
+		return encap_ipv4(skb, IPPROTO_IPV6, ETH_P_IP);
+	else
+		return TC_ACT_OK;
+}
+
+SEC("encap_ip6tnl_none")
+int __encap_ip6tnl_none(struct __sk_buff *skb)
+{
+	if (skb->protocol == __bpf_constant_htons(ETH_P_IPV6))
+		return encap_ipv6(skb, IPPROTO_IPV6, ETH_P_IPV6);
+	else
+		return TC_ACT_OK;
+}
+
+SEC("encap_ip6gre_none")
+int __encap_ip6gre_none(struct __sk_buff *skb)
+{
+	if (skb->protocol == __bpf_constant_htons(ETH_P_IPV6))
+		return encap_ipv6(skb, IPPROTO_GRE, ETH_P_IPV6);
+	else
+		return TC_ACT_OK;
+}
+
+SEC("encap_ip6gre_mpls")
+int __encap_ip6gre_mpls(struct __sk_buff *skb)
+{
+	if (skb->protocol == __bpf_constant_htons(ETH_P_IPV6))
+		return encap_ipv6(skb, IPPROTO_GRE, ETH_P_MPLS_UC);
+	else
+		return TC_ACT_OK;
+}
+
+SEC("encap_ip6gre_eth")
+int __encap_ip6gre_eth(struct __sk_buff *skb)
+{
+	if (skb->protocol == __bpf_constant_htons(ETH_P_IPV6))
+		return encap_ipv6(skb, IPPROTO_GRE, ETH_P_TEB);
+	else
+		return TC_ACT_OK;
+}
+
+SEC("encap_ip6udp_none")
+int __encap_ip6udp_none(struct __sk_buff *skb)
+{
+	if (skb->protocol == __bpf_constant_htons(ETH_P_IPV6))
+		return encap_ipv6(skb, IPPROTO_UDP, ETH_P_IPV6);
+	else
+		return TC_ACT_OK;
+}
+
+SEC("encap_ip6udp_mpls")
+int __encap_ip6udp_mpls(struct __sk_buff *skb)
+{
+	if (skb->protocol == __bpf_constant_htons(ETH_P_IPV6))
+		return encap_ipv6(skb, IPPROTO_UDP, ETH_P_MPLS_UC);
+	else
+		return TC_ACT_OK;
+}
+
+SEC("encap_ip6udp_eth")
+int __encap_ip6udp_eth(struct __sk_buff *skb)
+{
+	if (skb->protocol == __bpf_constant_htons(ETH_P_IPV6))
+		return encap_ipv6(skb, IPPROTO_UDP, ETH_P_TEB);
+	else
+		return TC_ACT_OK;
+}
+
+SEC("encap_ip6vxlan_eth")
+int __encap_ip6vxlan_eth(struct __sk_buff *skb)
+{
+	if (skb->protocol == __bpf_constant_htons(ETH_P_IPV6))
+		return __encap_ipv6(skb, IPPROTO_UDP,
+				    ETH_P_TEB,
+				    EXTPROTO_VXLAN);
+	else
+		return TC_ACT_OK;
+}
+
+static int decap_internal(struct __sk_buff *skb, int off, int len, char proto)
+{
+	struct gre_hdr greh;
+	struct udphdr udph;
+	int olen = len;
+
+	switch (proto) {
+	case IPPROTO_IPIP:
+	case IPPROTO_IPV6:
+		break;
+	case IPPROTO_GRE:
+		olen += sizeof(struct gre_hdr);
+		if (bpf_skb_load_bytes(skb, off + len, &greh, sizeof(greh)) < 0)
+			return TC_ACT_OK;
+		switch (bpf_ntohs(greh.protocol)) {
+		case ETH_P_MPLS_UC:
+			olen += sizeof(mpls_label);
+			break;
+		case ETH_P_TEB:
+			olen += ETH_HLEN;
+			break;
+		}
+		break;
+	case IPPROTO_UDP:
+		olen += sizeof(struct udphdr);
+		if (bpf_skb_load_bytes(skb, off + len, &udph, sizeof(udph)) < 0)
+			return TC_ACT_OK;
+		switch (bpf_ntohs(udph.dest)) {
+		case MPLS_OVER_UDP_PORT:
+			olen += sizeof(mpls_label);
+			break;
+		case ETH_OVER_UDP_PORT:
+			olen += ETH_HLEN;
+			break;
+		case VXLAN_UDP_PORT:
+			olen += ETH_HLEN + sizeof(struct vxlanhdr);
+			break;
+		}
+		break;
+	default:
+		return TC_ACT_OK;
+	}
+
+	if (bpf_skb_adjust_room(skb, -olen, BPF_ADJ_ROOM_MAC,
+				BPF_F_ADJ_ROOM_FIXED_GSO))
+		return TC_ACT_SHOT;
+
+	return TC_ACT_OK;
+}
+
+static int decap_ipv4(struct __sk_buff *skb)
+{
+	struct iphdr iph_outer;
+
+	if (bpf_skb_load_bytes(skb, ETH_HLEN, &iph_outer,
+			       sizeof(iph_outer)) < 0)
+		return TC_ACT_OK;
+
+	if (iph_outer.ihl != 5)
+		return TC_ACT_OK;
+
+	return decap_internal(skb, ETH_HLEN, sizeof(iph_outer),
+			      iph_outer.protocol);
+}
+
+static int decap_ipv6(struct __sk_buff *skb)
+{
+	struct ipv6hdr iph_outer;
+
+	if (bpf_skb_load_bytes(skb, ETH_HLEN, &iph_outer,
+			       sizeof(iph_outer)) < 0)
+		return TC_ACT_OK;
+
+	return decap_internal(skb, ETH_HLEN, sizeof(iph_outer),
+			      iph_outer.nexthdr);
+}
+
+SEC("decap")
+int decap_f(struct __sk_buff *skb)
+{
+	switch (skb->protocol) {
+	case __bpf_constant_htons(ETH_P_IP):
+		return decap_ipv4(skb);
+	case __bpf_constant_htons(ETH_P_IPV6):
+		return decap_ipv6(skb);
+	default:
+		/* does not match, ignore */
+		return TC_ACT_OK;
+	}
+}
+
+char __license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/test_tcp_check_syncookie_kern.c b/tools/testing/selftests/bpf/progs/test_tcp_check_syncookie_kern.c
new file mode 100644
index 000000000..6edebce56
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_tcp_check_syncookie_kern.c
@@ -0,0 +1,167 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (c) 2018 Facebook
+// Copyright (c) 2019 Cloudflare
+
+#include <string.h>
+
+#include <linux/bpf.h>
+#include <linux/pkt_cls.h>
+#include <linux/if_ether.h>
+#include <linux/in.h>
+#include <linux/ip.h>
+#include <linux/ipv6.h>
+#include <sys/socket.h>
+#include <linux/tcp.h>
+
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_endian.h>
+
+struct {
+	__uint(type, BPF_MAP_TYPE_ARRAY);
+	__type(key, __u32);
+	__type(value, __u32);
+	__uint(max_entries, 3);
+} results SEC(".maps");
+
+static __always_inline __s64 gen_syncookie(void *data_end, struct bpf_sock *sk,
+					   void *iph, __u32 ip_size,
+					   struct tcphdr *tcph)
+{
+	__u32 thlen = tcph->doff * 4;
+
+	if (tcph->syn && !tcph->ack) {
+		// packet should only have an MSS option
+		if (thlen != 24)
+			return 0;
+
+		if ((void *)tcph + thlen > data_end)
+			return 0;
+
+		return bpf_tcp_gen_syncookie(sk, iph, ip_size, tcph, thlen);
+	}
+	return 0;
+}
+
+static __always_inline void check_syncookie(void *ctx, void *data,
+					    void *data_end)
+{
+	struct bpf_sock_tuple tup;
+	struct bpf_sock *sk;
+	struct ethhdr *ethh;
+	struct iphdr *ipv4h;
+	struct ipv6hdr *ipv6h;
+	struct tcphdr *tcph;
+	int ret;
+	__u32 key_mss = 2;
+	__u32 key_gen = 1;
+	__u32 key = 0;
+	__s64 seq_mss;
+
+	ethh = data;
+	if (ethh + 1 > data_end)
+		return;
+
+	switch (bpf_ntohs(ethh->h_proto)) {
+	case ETH_P_IP:
+		ipv4h = data + sizeof(struct ethhdr);
+		if (ipv4h + 1 > data_end)
+			return;
+
+		if (ipv4h->ihl != 5)
+			return;
+
+		tcph = data + sizeof(struct ethhdr) + sizeof(struct iphdr);
+		if (tcph + 1 > data_end)
+			return;
+
+		tup.ipv4.saddr = ipv4h->saddr;
+		tup.ipv4.daddr = ipv4h->daddr;
+		tup.ipv4.sport = tcph->source;
+		tup.ipv4.dport = tcph->dest;
+
+		sk = bpf_skc_lookup_tcp(ctx, &tup, sizeof(tup.ipv4),
+					BPF_F_CURRENT_NETNS, 0);
+		if (!sk)
+			return;
+
+		if (sk->state != BPF_TCP_LISTEN)
+			goto release;
+
+		seq_mss = gen_syncookie(data_end, sk, ipv4h, sizeof(*ipv4h),
+					tcph);
+
+		ret = bpf_tcp_check_syncookie(sk, ipv4h, sizeof(*ipv4h),
+					      tcph, sizeof(*tcph));
+		break;
+
+	case ETH_P_IPV6:
+		ipv6h = data + sizeof(struct ethhdr);
+		if (ipv6h + 1 > data_end)
+			return;
+
+		if (ipv6h->nexthdr != IPPROTO_TCP)
+			return;
+
+		tcph = data + sizeof(struct ethhdr) + sizeof(struct ipv6hdr);
+		if (tcph + 1 > data_end)
+			return;
+
+		memcpy(tup.ipv6.saddr, &ipv6h->saddr, sizeof(tup.ipv6.saddr));
+		memcpy(tup.ipv6.daddr, &ipv6h->daddr, sizeof(tup.ipv6.daddr));
+		tup.ipv6.sport = tcph->source;
+		tup.ipv6.dport = tcph->dest;
+
+		sk = bpf_skc_lookup_tcp(ctx, &tup, sizeof(tup.ipv6),
+					BPF_F_CURRENT_NETNS, 0);
+		if (!sk)
+			return;
+
+		if (sk->state != BPF_TCP_LISTEN)
+			goto release;
+
+		seq_mss = gen_syncookie(data_end, sk, ipv6h, sizeof(*ipv6h),
+					tcph);
+
+		ret = bpf_tcp_check_syncookie(sk, ipv6h, sizeof(*ipv6h),
+					      tcph, sizeof(*tcph));
+		break;
+
+	default:
+		return;
+	}
+
+	if (seq_mss > 0) {
+		__u32 cookie = (__u32)seq_mss;
+		__u32 mss = seq_mss >> 32;
+
+		bpf_map_update_elem(&results, &key_gen, &cookie, 0);
+		bpf_map_update_elem(&results, &key_mss, &mss, 0);
+	}
+
+	if (ret == 0) {
+		__u32 cookie = bpf_ntohl(tcph->ack_seq) - 1;
+
+		bpf_map_update_elem(&results, &key, &cookie, 0);
+	}
+
+release:
+	bpf_sk_release(sk);
+}
+
+SEC("tc")
+int check_syncookie_clsact(struct __sk_buff *skb)
+{
+	check_syncookie(skb, (void *)(long)skb->data,
+			(void *)(long)skb->data_end);
+	return TC_ACT_OK;
+}
+
+SEC("xdp")
+int check_syncookie_xdp(struct xdp_md *ctx)
+{
+	check_syncookie(ctx, (void *)(long)ctx->data,
+			(void *)(long)ctx->data_end);
+	return XDP_PASS;
+}
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/test_tcp_estats.c b/tools/testing/selftests/bpf/progs/test_tcp_estats.c
new file mode 100644
index 000000000..e2ae049c2
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_tcp_estats.c
@@ -0,0 +1,257 @@
+/* Copyright (c) 2017 Facebook
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of version 2 of the GNU General Public
+ * License as published by the Free Software Foundation.
+ */
+
+/* This program shows clang/llvm is able to generate code pattern
+ * like:
+ *   _tcp_send_active_reset:
+ *      0:       bf 16 00 00 00 00 00 00         r6 = r1
+ *    ......
+ *    335:       b7 01 00 00 0f 00 00 00         r1 = 15
+ *    336:       05 00 48 00 00 00 00 00         goto 72
+ *
+ *   LBB0_3:
+ *    337:       b7 01 00 00 01 00 00 00         r1 = 1
+ *    338:       63 1a d0 ff 00 00 00 00         *(u32 *)(r10 - 48) = r1
+ *    408:       b7 01 00 00 03 00 00 00         r1 = 3
+ *
+ *   LBB0_4:
+ *    409:       71 a2 fe ff 00 00 00 00         r2 = *(u8 *)(r10 - 2)
+ *    410:       bf a7 00 00 00 00 00 00         r7 = r10
+ *    411:       07 07 00 00 b8 ff ff ff         r7 += -72
+ *    412:       bf 73 00 00 00 00 00 00         r3 = r7
+ *    413:       0f 13 00 00 00 00 00 00         r3 += r1
+ *    414:       73 23 2d 00 00 00 00 00         *(u8 *)(r3 + 45) = r2
+ *
+ * From the above code snippet, the code generated by the compiler
+ * is reasonable. The "r1" is assigned to different values in basic
+ * blocks "_tcp_send_active_reset" and "LBB0_3", and used in "LBB0_4".
+ * The verifier should be able to handle such code patterns.
+ */
+#include <string.h>
+#include <linux/bpf.h>
+#include <linux/ipv6.h>
+#include <linux/version.h>
+#include <sys/socket.h>
+#include <bpf/bpf_helpers.h>
+
+#define _(P) ({typeof(P) val = 0; bpf_probe_read_kernel(&val, sizeof(val), &P); val;})
+#define TCP_ESTATS_MAGIC 0xBAADBEEF
+
+/* This test case needs "sock" and "pt_regs" data structure.
+ * Recursively, "sock" needs "sock_common" and "inet_sock".
+ * However, this is a unit test case only for
+ * verifier purpose without bpf program execution.
+ * We can safely mock much simpler data structures, basically
+ * only taking the necessary fields from kernel headers.
+ */
+typedef __u32 __bitwise __portpair;
+typedef __u64 __bitwise __addrpair;
+
+struct sock_common {
+	unsigned short		skc_family;
+	union {
+		__addrpair	skc_addrpair;
+		struct {
+			__be32	skc_daddr;
+			__be32	skc_rcv_saddr;
+		};
+	};
+	union {
+		__portpair	skc_portpair;
+		struct {
+			__be16	skc_dport;
+			__u16	skc_num;
+		};
+	};
+	struct in6_addr		skc_v6_daddr;
+	struct in6_addr		skc_v6_rcv_saddr;
+};
+
+struct sock {
+	struct sock_common	__sk_common;
+#define sk_family		__sk_common.skc_family
+#define sk_v6_daddr		__sk_common.skc_v6_daddr
+#define sk_v6_rcv_saddr		__sk_common.skc_v6_rcv_saddr
+};
+
+struct inet_sock {
+	struct sock		sk;
+#define inet_daddr		sk.__sk_common.skc_daddr
+#define inet_dport		sk.__sk_common.skc_dport
+	__be32			inet_saddr;
+	__be16			inet_sport;
+};
+
+struct pt_regs {
+	long di;
+};
+
+static inline struct inet_sock *inet_sk(const struct sock *sk)
+{
+	return (struct inet_sock *)sk;
+}
+
+/* Define various data structures for state recording.
+ * Some fields are not used due to test simplification.
+ */
+enum tcp_estats_addrtype {
+	TCP_ESTATS_ADDRTYPE_IPV4 = 1,
+	TCP_ESTATS_ADDRTYPE_IPV6 = 2
+};
+
+enum tcp_estats_event_type {
+	TCP_ESTATS_ESTABLISH,
+	TCP_ESTATS_PERIODIC,
+	TCP_ESTATS_TIMEOUT,
+	TCP_ESTATS_RETRANSMIT_TIMEOUT,
+	TCP_ESTATS_RETRANSMIT_OTHER,
+	TCP_ESTATS_SYN_RETRANSMIT,
+	TCP_ESTATS_SYNACK_RETRANSMIT,
+	TCP_ESTATS_TERM,
+	TCP_ESTATS_TX_RESET,
+	TCP_ESTATS_RX_RESET,
+	TCP_ESTATS_WRITE_TIMEOUT,
+	TCP_ESTATS_CONN_TIMEOUT,
+	TCP_ESTATS_ACK_LATENCY,
+	TCP_ESTATS_NEVENTS,
+};
+
+struct tcp_estats_event {
+	int pid;
+	int cpu;
+	unsigned long ts;
+	unsigned int magic;
+	enum tcp_estats_event_type event_type;
+};
+
+/* The below data structure is packed in order for
+ * llvm compiler to generate expected code.
+ */
+struct tcp_estats_conn_id {
+	unsigned int localaddressType;
+	struct {
+		unsigned char data[16];
+	} localaddress;
+	struct {
+		unsigned char data[16];
+	} remaddress;
+	unsigned short    localport;
+	unsigned short    remport;
+} __attribute__((__packed__));
+
+struct tcp_estats_basic_event {
+	struct tcp_estats_event event;
+	struct tcp_estats_conn_id conn_id;
+};
+
+struct {
+	__uint(type, BPF_MAP_TYPE_HASH);
+	__uint(max_entries, 1024);
+	__type(key, __u32);
+	__type(value, struct tcp_estats_basic_event);
+} ev_record_map SEC(".maps");
+
+struct dummy_tracepoint_args {
+	unsigned long long pad;
+	struct sock *sock;
+};
+
+static __always_inline void tcp_estats_ev_init(struct tcp_estats_event *event,
+					       enum tcp_estats_event_type type)
+{
+	event->magic = TCP_ESTATS_MAGIC;
+	event->ts = bpf_ktime_get_ns();
+	event->event_type = type;
+}
+
+static __always_inline void unaligned_u32_set(unsigned char *to, __u8 *from)
+{
+	to[0] = _(from[0]);
+	to[1] = _(from[1]);
+	to[2] = _(from[2]);
+	to[3] = _(from[3]);
+}
+
+static __always_inline void conn_id_ipv4_init(struct tcp_estats_conn_id *conn_id,
+					      __be32 *saddr, __be32 *daddr)
+{
+	conn_id->localaddressType = TCP_ESTATS_ADDRTYPE_IPV4;
+
+	unaligned_u32_set(conn_id->localaddress.data, (__u8 *)saddr);
+	unaligned_u32_set(conn_id->remaddress.data, (__u8 *)daddr);
+}
+
+static __always_inline void conn_id_ipv6_init(struct tcp_estats_conn_id *conn_id,
+					      __be32 *saddr, __be32 *daddr)
+{
+	conn_id->localaddressType = TCP_ESTATS_ADDRTYPE_IPV6;
+
+	unaligned_u32_set(conn_id->localaddress.data, (__u8 *)saddr);
+	unaligned_u32_set(conn_id->localaddress.data + sizeof(__u32),
+			  (__u8 *)(saddr + 1));
+	unaligned_u32_set(conn_id->localaddress.data + sizeof(__u32) * 2,
+			  (__u8 *)(saddr + 2));
+	unaligned_u32_set(conn_id->localaddress.data + sizeof(__u32) * 3,
+			  (__u8 *)(saddr + 3));
+
+	unaligned_u32_set(conn_id->remaddress.data,
+			  (__u8 *)(daddr));
+	unaligned_u32_set(conn_id->remaddress.data + sizeof(__u32),
+			  (__u8 *)(daddr + 1));
+	unaligned_u32_set(conn_id->remaddress.data + sizeof(__u32) * 2,
+			  (__u8 *)(daddr + 2));
+	unaligned_u32_set(conn_id->remaddress.data + sizeof(__u32) * 3,
+			  (__u8 *)(daddr + 3));
+}
+
+static __always_inline void tcp_estats_conn_id_init(struct tcp_estats_conn_id *conn_id,
+						    struct sock *sk)
+{
+	conn_id->localport = _(inet_sk(sk)->inet_sport);
+	conn_id->remport = _(inet_sk(sk)->inet_dport);
+
+	if (_(sk->sk_family) == AF_INET6)
+		conn_id_ipv6_init(conn_id,
+				  sk->sk_v6_rcv_saddr.s6_addr32,
+				  sk->sk_v6_daddr.s6_addr32);
+	else
+		conn_id_ipv4_init(conn_id,
+				  &inet_sk(sk)->inet_saddr,
+				  &inet_sk(sk)->inet_daddr);
+}
+
+static __always_inline void tcp_estats_init(struct sock *sk,
+					    struct tcp_estats_event *event,
+					    struct tcp_estats_conn_id *conn_id,
+					    enum tcp_estats_event_type type)
+{
+	tcp_estats_ev_init(event, type);
+	tcp_estats_conn_id_init(conn_id, sk);
+}
+
+static __always_inline void send_basic_event(struct sock *sk,
+					     enum tcp_estats_event_type type)
+{
+	struct tcp_estats_basic_event ev;
+	__u32 key = bpf_get_prandom_u32();
+
+	memset(&ev, 0, sizeof(ev));
+	tcp_estats_init(sk, &ev.event, &ev.conn_id, type);
+	bpf_map_update_elem(&ev_record_map, &key, &ev, BPF_ANY);
+}
+
+SEC("tp/dummy/tracepoint")
+int _dummy_tracepoint(struct dummy_tracepoint_args *arg)
+{
+	if (!arg->sock)
+		return 0;
+
+	send_basic_event(arg->sock, TCP_ESTATS_TX_RESET);
+	return 0;
+}
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/test_tcp_hdr_options.c b/tools/testing/selftests/bpf/progs/test_tcp_hdr_options.c
new file mode 100644
index 000000000..5f4e87ee9
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_tcp_hdr_options.c
@@ -0,0 +1,626 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2020 Facebook */
+
+#include <stddef.h>
+#include <errno.h>
+#include <stdbool.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <linux/tcp.h>
+#include <linux/socket.h>
+#include <linux/bpf.h>
+#include <linux/types.h>
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_endian.h>
+#define BPF_PROG_TEST_TCP_HDR_OPTIONS
+#include "test_tcp_hdr_options.h"
+
+#ifndef sizeof_field
+#define sizeof_field(TYPE, MEMBER) sizeof((((TYPE *)0)->MEMBER))
+#endif
+
+__u8 test_kind = TCPOPT_EXP;
+__u16 test_magic = 0xeB9F;
+__u32 inherit_cb_flags = 0;
+
+struct bpf_test_option passive_synack_out = {};
+struct bpf_test_option passive_fin_out	= {};
+
+struct bpf_test_option passive_estab_in = {};
+struct bpf_test_option passive_fin_in	= {};
+
+struct bpf_test_option active_syn_out	= {};
+struct bpf_test_option active_fin_out	= {};
+
+struct bpf_test_option active_estab_in	= {};
+struct bpf_test_option active_fin_in	= {};
+
+struct {
+	__uint(type, BPF_MAP_TYPE_SK_STORAGE);
+	__uint(map_flags, BPF_F_NO_PREALLOC);
+	__type(key, int);
+	__type(value, struct hdr_stg);
+} hdr_stg_map SEC(".maps");
+
+static bool skops_want_cookie(const struct bpf_sock_ops *skops)
+{
+	return skops->args[0] == BPF_WRITE_HDR_TCP_SYNACK_COOKIE;
+}
+
+static bool skops_current_mss(const struct bpf_sock_ops *skops)
+{
+	return skops->args[0] == BPF_WRITE_HDR_TCP_CURRENT_MSS;
+}
+
+static __u8 option_total_len(__u8 flags)
+{
+	__u8 i, len = 1; /* +1 for flags */
+
+	if (!flags)
+		return 0;
+
+	/* RESEND bit does not use a byte */
+	for (i = OPTION_RESEND + 1; i < __NR_OPTION_FLAGS; i++)
+		len += !!TEST_OPTION_FLAGS(flags, i);
+
+	if (test_kind == TCPOPT_EXP)
+		return len + TCP_BPF_EXPOPT_BASE_LEN;
+	else
+		return len + 2; /* +1 kind, +1 kind-len */
+}
+
+static void write_test_option(const struct bpf_test_option *test_opt,
+			      __u8 *data)
+{
+	__u8 offset = 0;
+
+	data[offset++] = test_opt->flags;
+	if (TEST_OPTION_FLAGS(test_opt->flags, OPTION_MAX_DELACK_MS))
+		data[offset++] = test_opt->max_delack_ms;
+
+	if (TEST_OPTION_FLAGS(test_opt->flags, OPTION_RAND))
+		data[offset++] = test_opt->rand;
+}
+
+static int store_option(struct bpf_sock_ops *skops,
+			const struct bpf_test_option *test_opt)
+{
+	union {
+		struct tcp_exprm_opt exprm;
+		struct tcp_opt regular;
+	} write_opt;
+	int err;
+
+	if (test_kind == TCPOPT_EXP) {
+		write_opt.exprm.kind = TCPOPT_EXP;
+		write_opt.exprm.len = option_total_len(test_opt->flags);
+		write_opt.exprm.magic = __bpf_htons(test_magic);
+		write_opt.exprm.data32 = 0;
+		write_test_option(test_opt, write_opt.exprm.data);
+		err = bpf_store_hdr_opt(skops, &write_opt.exprm,
+					sizeof(write_opt.exprm), 0);
+	} else {
+		write_opt.regular.kind = test_kind;
+		write_opt.regular.len = option_total_len(test_opt->flags);
+		write_opt.regular.data32 = 0;
+		write_test_option(test_opt, write_opt.regular.data);
+		err = bpf_store_hdr_opt(skops, &write_opt.regular,
+					sizeof(write_opt.regular), 0);
+	}
+
+	if (err)
+		RET_CG_ERR(err);
+
+	return CG_OK;
+}
+
+static int parse_test_option(struct bpf_test_option *opt, const __u8 *start)
+{
+	opt->flags = *start++;
+
+	if (TEST_OPTION_FLAGS(opt->flags, OPTION_MAX_DELACK_MS))
+		opt->max_delack_ms = *start++;
+
+	if (TEST_OPTION_FLAGS(opt->flags, OPTION_RAND))
+		opt->rand = *start++;
+
+	return 0;
+}
+
+static int load_option(struct bpf_sock_ops *skops,
+		       struct bpf_test_option *test_opt, bool from_syn)
+{
+	union {
+		struct tcp_exprm_opt exprm;
+		struct tcp_opt regular;
+	} search_opt;
+	int ret, load_flags = from_syn ? BPF_LOAD_HDR_OPT_TCP_SYN : 0;
+
+	if (test_kind == TCPOPT_EXP) {
+		search_opt.exprm.kind = TCPOPT_EXP;
+		search_opt.exprm.len = 4;
+		search_opt.exprm.magic = __bpf_htons(test_magic);
+		search_opt.exprm.data32 = 0;
+		ret = bpf_load_hdr_opt(skops, &search_opt.exprm,
+				       sizeof(search_opt.exprm), load_flags);
+		if (ret < 0)
+			return ret;
+		return parse_test_option(test_opt, search_opt.exprm.data);
+	} else {
+		search_opt.regular.kind = test_kind;
+		search_opt.regular.len = 0;
+		search_opt.regular.data32 = 0;
+		ret = bpf_load_hdr_opt(skops, &search_opt.regular,
+				       sizeof(search_opt.regular), load_flags);
+		if (ret < 0)
+			return ret;
+		return parse_test_option(test_opt, search_opt.regular.data);
+	}
+}
+
+static int synack_opt_len(struct bpf_sock_ops *skops)
+{
+	struct bpf_test_option test_opt = {};
+	__u8 optlen;
+	int err;
+
+	if (!passive_synack_out.flags)
+		return CG_OK;
+
+	err = load_option(skops, &test_opt, true);
+
+	/* bpf_test_option is not found */
+	if (err == -ENOMSG)
+		return CG_OK;
+
+	if (err)
+		RET_CG_ERR(err);
+
+	optlen = option_total_len(passive_synack_out.flags);
+	if (optlen) {
+		err = bpf_reserve_hdr_opt(skops, optlen, 0);
+		if (err)
+			RET_CG_ERR(err);
+	}
+
+	return CG_OK;
+}
+
+static int write_synack_opt(struct bpf_sock_ops *skops)
+{
+	struct bpf_test_option opt;
+
+	if (!passive_synack_out.flags)
+		/* We should not even be called since no header
+		 * space has been reserved.
+		 */
+		RET_CG_ERR(0);
+
+	opt = passive_synack_out;
+	if (skops_want_cookie(skops))
+		SET_OPTION_FLAGS(opt.flags, OPTION_RESEND);
+
+	return store_option(skops, &opt);
+}
+
+static int syn_opt_len(struct bpf_sock_ops *skops)
+{
+	__u8 optlen;
+	int err;
+
+	if (!active_syn_out.flags)
+		return CG_OK;
+
+	optlen = option_total_len(active_syn_out.flags);
+	if (optlen) {
+		err = bpf_reserve_hdr_opt(skops, optlen, 0);
+		if (err)
+			RET_CG_ERR(err);
+	}
+
+	return CG_OK;
+}
+
+static int write_syn_opt(struct bpf_sock_ops *skops)
+{
+	if (!active_syn_out.flags)
+		RET_CG_ERR(0);
+
+	return store_option(skops, &active_syn_out);
+}
+
+static int fin_opt_len(struct bpf_sock_ops *skops)
+{
+	struct bpf_test_option *opt;
+	struct hdr_stg *hdr_stg;
+	__u8 optlen;
+	int err;
+
+	if (!skops->sk)
+		RET_CG_ERR(0);
+
+	hdr_stg = bpf_sk_storage_get(&hdr_stg_map, skops->sk, NULL, 0);
+	if (!hdr_stg)
+		RET_CG_ERR(0);
+
+	if (hdr_stg->active)
+		opt = &active_fin_out;
+	else
+		opt = &passive_fin_out;
+
+	optlen = option_total_len(opt->flags);
+	if (optlen) {
+		err = bpf_reserve_hdr_opt(skops, optlen, 0);
+		if (err)
+			RET_CG_ERR(err);
+	}
+
+	return CG_OK;
+}
+
+static int write_fin_opt(struct bpf_sock_ops *skops)
+{
+	struct bpf_test_option *opt;
+	struct hdr_stg *hdr_stg;
+
+	if (!skops->sk)
+		RET_CG_ERR(0);
+
+	hdr_stg = bpf_sk_storage_get(&hdr_stg_map, skops->sk, NULL, 0);
+	if (!hdr_stg)
+		RET_CG_ERR(0);
+
+	if (hdr_stg->active)
+		opt = &active_fin_out;
+	else
+		opt = &passive_fin_out;
+
+	if (!opt->flags)
+		RET_CG_ERR(0);
+
+	return store_option(skops, opt);
+}
+
+static int resend_in_ack(struct bpf_sock_ops *skops)
+{
+	struct hdr_stg *hdr_stg;
+
+	if (!skops->sk)
+		return -1;
+
+	hdr_stg = bpf_sk_storage_get(&hdr_stg_map, skops->sk, NULL, 0);
+	if (!hdr_stg)
+		return -1;
+
+	return !!hdr_stg->resend_syn;
+}
+
+static int nodata_opt_len(struct bpf_sock_ops *skops)
+{
+	int resend;
+
+	resend = resend_in_ack(skops);
+	if (resend < 0)
+		RET_CG_ERR(0);
+
+	if (resend)
+		return syn_opt_len(skops);
+
+	return CG_OK;
+}
+
+static int write_nodata_opt(struct bpf_sock_ops *skops)
+{
+	int resend;
+
+	resend = resend_in_ack(skops);
+	if (resend < 0)
+		RET_CG_ERR(0);
+
+	if (resend)
+		return write_syn_opt(skops);
+
+	return CG_OK;
+}
+
+static int data_opt_len(struct bpf_sock_ops *skops)
+{
+	/* Same as the nodata version.  Mostly to show
+	 * an example usage on skops->skb_len.
+	 */
+	return nodata_opt_len(skops);
+}
+
+static int write_data_opt(struct bpf_sock_ops *skops)
+{
+	return write_nodata_opt(skops);
+}
+
+static int current_mss_opt_len(struct bpf_sock_ops *skops)
+{
+	/* Reserve maximum that may be needed */
+	int err;
+
+	err = bpf_reserve_hdr_opt(skops, option_total_len(OPTION_MASK), 0);
+	if (err)
+		RET_CG_ERR(err);
+
+	return CG_OK;
+}
+
+static int handle_hdr_opt_len(struct bpf_sock_ops *skops)
+{
+	__u8 tcp_flags = skops_tcp_flags(skops);
+
+	if ((tcp_flags & TCPHDR_SYNACK) == TCPHDR_SYNACK)
+		return synack_opt_len(skops);
+
+	if (tcp_flags & TCPHDR_SYN)
+		return syn_opt_len(skops);
+
+	if (tcp_flags & TCPHDR_FIN)
+		return fin_opt_len(skops);
+
+	if (skops_current_mss(skops))
+		/* The kernel is calculating the MSS */
+		return current_mss_opt_len(skops);
+
+	if (skops->skb_len)
+		return data_opt_len(skops);
+
+	return nodata_opt_len(skops);
+}
+
+static int handle_write_hdr_opt(struct bpf_sock_ops *skops)
+{
+	__u8 tcp_flags = skops_tcp_flags(skops);
+	struct tcphdr *th;
+
+	if ((tcp_flags & TCPHDR_SYNACK) == TCPHDR_SYNACK)
+		return write_synack_opt(skops);
+
+	if (tcp_flags & TCPHDR_SYN)
+		return write_syn_opt(skops);
+
+	if (tcp_flags & TCPHDR_FIN)
+		return write_fin_opt(skops);
+
+	th = skops->skb_data;
+	if (th + 1 > skops->skb_data_end)
+		RET_CG_ERR(0);
+
+	if (skops->skb_len > tcp_hdrlen(th))
+		return write_data_opt(skops);
+
+	return write_nodata_opt(skops);
+}
+
+static int set_delack_max(struct bpf_sock_ops *skops, __u8 max_delack_ms)
+{
+	__u32 max_delack_us = max_delack_ms * 1000;
+
+	return bpf_setsockopt(skops, SOL_TCP, TCP_BPF_DELACK_MAX,
+			      &max_delack_us, sizeof(max_delack_us));
+}
+
+static int set_rto_min(struct bpf_sock_ops *skops, __u8 peer_max_delack_ms)
+{
+	__u32 min_rto_us = peer_max_delack_ms * 1000;
+
+	return bpf_setsockopt(skops, SOL_TCP, TCP_BPF_RTO_MIN, &min_rto_us,
+			      sizeof(min_rto_us));
+}
+
+static int handle_active_estab(struct bpf_sock_ops *skops)
+{
+	struct hdr_stg init_stg = {
+		.active = true,
+	};
+	int err;
+
+	err = load_option(skops, &active_estab_in, false);
+	if (err && err != -ENOMSG)
+		RET_CG_ERR(err);
+
+	init_stg.resend_syn = TEST_OPTION_FLAGS(active_estab_in.flags,
+						OPTION_RESEND);
+	if (!skops->sk || !bpf_sk_storage_get(&hdr_stg_map, skops->sk,
+					      &init_stg,
+					      BPF_SK_STORAGE_GET_F_CREATE))
+		RET_CG_ERR(0);
+
+	if (init_stg.resend_syn)
+		/* Don't clear the write_hdr cb now because
+		 * the ACK may get lost and retransmit may
+		 * be needed.
+		 *
+		 * PARSE_ALL_HDR cb flag is set to learn if this
+		 * resend_syn option has received by the peer.
+		 *
+		 * The header option will be resent until a valid
+		 * packet is received at handle_parse_hdr()
+		 * and all hdr cb flags will be cleared in
+		 * handle_parse_hdr().
+		 */
+		set_parse_all_hdr_cb_flags(skops);
+	else if (!active_fin_out.flags)
+		/* No options will be written from now */
+		clear_hdr_cb_flags(skops);
+
+	if (active_syn_out.max_delack_ms) {
+		err = set_delack_max(skops, active_syn_out.max_delack_ms);
+		if (err)
+			RET_CG_ERR(err);
+	}
+
+	if (active_estab_in.max_delack_ms) {
+		err = set_rto_min(skops, active_estab_in.max_delack_ms);
+		if (err)
+			RET_CG_ERR(err);
+	}
+
+	return CG_OK;
+}
+
+static int handle_passive_estab(struct bpf_sock_ops *skops)
+{
+	struct hdr_stg init_stg = {};
+	struct tcphdr *th;
+	int err;
+
+	inherit_cb_flags = skops->bpf_sock_ops_cb_flags;
+
+	err = load_option(skops, &passive_estab_in, true);
+	if (err == -ENOENT) {
+		/* saved_syn is not found. It was in syncookie mode.
+		 * We have asked the active side to resend the options
+		 * in ACK, so try to find the bpf_test_option from ACK now.
+		 */
+		err = load_option(skops, &passive_estab_in, false);
+		init_stg.syncookie = true;
+	}
+
+	/* ENOMSG: The bpf_test_option is not found which is fine.
+	 * Bail out now for all other errors.
+	 */
+	if (err && err != -ENOMSG)
+		RET_CG_ERR(err);
+
+	th = skops->skb_data;
+	if (th + 1 > skops->skb_data_end)
+		RET_CG_ERR(0);
+
+	if (th->syn) {
+		/* Fastopen */
+
+		/* Cannot clear cb_flags to stop write_hdr cb.
+		 * synack is not sent yet for fast open.
+		 * Even it was, the synack may need to be retransmitted.
+		 *
+		 * PARSE_ALL_HDR cb flag is set to learn
+		 * if synack has reached the peer.
+		 * All cb_flags will be cleared in handle_parse_hdr().
+		 */
+		set_parse_all_hdr_cb_flags(skops);
+		init_stg.fastopen = true;
+	} else if (!passive_fin_out.flags) {
+		/* No options will be written from now */
+		clear_hdr_cb_flags(skops);
+	}
+
+	if (!skops->sk ||
+	    !bpf_sk_storage_get(&hdr_stg_map, skops->sk, &init_stg,
+				BPF_SK_STORAGE_GET_F_CREATE))
+		RET_CG_ERR(0);
+
+	if (passive_synack_out.max_delack_ms) {
+		err = set_delack_max(skops, passive_synack_out.max_delack_ms);
+		if (err)
+			RET_CG_ERR(err);
+	}
+
+	if (passive_estab_in.max_delack_ms) {
+		err = set_rto_min(skops, passive_estab_in.max_delack_ms);
+		if (err)
+			RET_CG_ERR(err);
+	}
+
+	return CG_OK;
+}
+
+static int handle_parse_hdr(struct bpf_sock_ops *skops)
+{
+	struct hdr_stg *hdr_stg;
+	struct tcphdr *th;
+
+	if (!skops->sk)
+		RET_CG_ERR(0);
+
+	th = skops->skb_data;
+	if (th + 1 > skops->skb_data_end)
+		RET_CG_ERR(0);
+
+	hdr_stg = bpf_sk_storage_get(&hdr_stg_map, skops->sk, NULL, 0);
+	if (!hdr_stg)
+		RET_CG_ERR(0);
+
+	if (hdr_stg->resend_syn || hdr_stg->fastopen)
+		/* The PARSE_ALL_HDR cb flag was turned on
+		 * to ensure that the previously written
+		 * options have reached the peer.
+		 * Those previously written option includes:
+		 *     - Active side: resend_syn in ACK during syncookie
+		 *      or
+		 *     - Passive side: SYNACK during fastopen
+		 *
+		 * A valid packet has been received here after
+		 * the 3WHS, so the PARSE_ALL_HDR cb flag
+		 * can be cleared now.
+		 */
+		clear_parse_all_hdr_cb_flags(skops);
+
+	if (hdr_stg->resend_syn && !active_fin_out.flags)
+		/* Active side resent the syn option in ACK
+		 * because the server was in syncookie mode.
+		 * A valid packet has been received, so
+		 * clear header cb flags if there is no
+		 * more option to send.
+		 */
+		clear_hdr_cb_flags(skops);
+
+	if (hdr_stg->fastopen && !passive_fin_out.flags)
+		/* Passive side was in fastopen.
+		 * A valid packet has been received, so
+		 * the SYNACK has reached the peer.
+		 * Clear header cb flags if there is no more
+		 * option to send.
+		 */
+		clear_hdr_cb_flags(skops);
+
+	if (th->fin) {
+		struct bpf_test_option *fin_opt;
+		int err;
+
+		if (hdr_stg->active)
+			fin_opt = &active_fin_in;
+		else
+			fin_opt = &passive_fin_in;
+
+		err = load_option(skops, fin_opt, false);
+		if (err && err != -ENOMSG)
+			RET_CG_ERR(err);
+	}
+
+	return CG_OK;
+}
+
+SEC("sockops")
+int estab(struct bpf_sock_ops *skops)
+{
+	int true_val = 1;
+
+	switch (skops->op) {
+	case BPF_SOCK_OPS_TCP_LISTEN_CB:
+		bpf_setsockopt(skops, SOL_TCP, TCP_SAVE_SYN,
+			       &true_val, sizeof(true_val));
+		set_hdr_cb_flags(skops, BPF_SOCK_OPS_STATE_CB_FLAG);
+		break;
+	case BPF_SOCK_OPS_TCP_CONNECT_CB:
+		set_hdr_cb_flags(skops, 0);
+		break;
+	case BPF_SOCK_OPS_PARSE_HDR_OPT_CB:
+		return handle_parse_hdr(skops);
+	case BPF_SOCK_OPS_HDR_OPT_LEN_CB:
+		return handle_hdr_opt_len(skops);
+	case BPF_SOCK_OPS_WRITE_HDR_OPT_CB:
+		return handle_write_hdr_opt(skops);
+	case BPF_SOCK_OPS_PASSIVE_ESTABLISHED_CB:
+		return handle_passive_estab(skops);
+	case BPF_SOCK_OPS_ACTIVE_ESTABLISHED_CB:
+		return handle_active_estab(skops);
+	}
+
+	return CG_OK;
+}
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/test_tcpbpf_kern.c b/tools/testing/selftests/bpf/progs/test_tcpbpf_kern.c
new file mode 100644
index 000000000..3ded05280
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_tcpbpf_kern.c
@@ -0,0 +1,167 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <stddef.h>
+#include <string.h>
+#include <netinet/in.h>
+#include <linux/bpf.h>
+#include <linux/if_ether.h>
+#include <linux/if_packet.h>
+#include <linux/ip.h>
+#include <linux/ipv6.h>
+#include <linux/types.h>
+#include <linux/socket.h>
+#include <linux/tcp.h>
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_endian.h>
+#include "bpf_tcp_helpers.h"
+#include "test_tcpbpf.h"
+
+struct tcpbpf_globals global = {};
+
+/**
+ * SOL_TCP is defined in <netinet/tcp.h> while
+ * TCP_SAVED_SYN is defined in already included <linux/tcp.h>
+ */
+#ifndef SOL_TCP
+#define SOL_TCP 6
+#endif
+
+static __always_inline int get_tp_window_clamp(struct bpf_sock_ops *skops)
+{
+	struct bpf_sock *sk;
+	struct tcp_sock *tp;
+
+	sk = skops->sk;
+	if (!sk)
+		return -1;
+	tp = bpf_skc_to_tcp_sock(sk);
+	if (!tp)
+		return -1;
+	return tp->window_clamp;
+}
+
+SEC("sockops")
+int bpf_testcb(struct bpf_sock_ops *skops)
+{
+	char header[sizeof(struct ipv6hdr) + sizeof(struct tcphdr)];
+	struct bpf_sock_ops *reuse = skops;
+	struct tcphdr *thdr;
+	int window_clamp = 9216;
+	int good_call_rv = 0;
+	int bad_call_rv = 0;
+	int save_syn = 1;
+	int rv = -1;
+	int v = 0;
+	int op;
+
+	/* Test reading fields in bpf_sock_ops using single register */
+	asm volatile (
+		"%[reuse] = *(u32 *)(%[reuse] +96)"
+		: [reuse] "+r"(reuse)
+		:);
+
+	asm volatile (
+		"%[op] = *(u32 *)(%[skops] +96)"
+		: [op] "+r"(op)
+		: [skops] "r"(skops)
+		:);
+
+	asm volatile (
+		"r9 = %[skops];\n"
+		"r8 = *(u32 *)(r9 +164);\n"
+		"*(u32 *)(r9 +164) = r8;\n"
+		:: [skops] "r"(skops)
+		: "r9", "r8");
+
+	asm volatile (
+		"r1 = %[skops];\n"
+		"r1 = *(u64 *)(r1 +184);\n"
+		"if r1 == 0 goto +1;\n"
+		"r1 = *(u32 *)(r1 +4);\n"
+		:: [skops] "r"(skops):"r1");
+
+	asm volatile (
+		"r9 = %[skops];\n"
+		"r9 = *(u64 *)(r9 +184);\n"
+		"if r9 == 0 goto +1;\n"
+		"r9 = *(u32 *)(r9 +4);\n"
+		:: [skops] "r"(skops):"r9");
+
+	asm volatile (
+		"r1 = %[skops];\n"
+		"r2 = *(u64 *)(r1 +184);\n"
+		"if r2 == 0 goto +1;\n"
+		"r2 = *(u32 *)(r2 +4);\n"
+		:: [skops] "r"(skops):"r1", "r2");
+
+	op = (int) skops->op;
+
+	global.event_map |= (1 << op);
+
+	switch (op) {
+	case BPF_SOCK_OPS_TCP_CONNECT_CB:
+		rv = bpf_setsockopt(skops, SOL_TCP, TCP_WINDOW_CLAMP,
+				    &window_clamp, sizeof(window_clamp));
+		global.window_clamp_client = get_tp_window_clamp(skops);
+		break;
+	case BPF_SOCK_OPS_ACTIVE_ESTABLISHED_CB:
+		/* Test failure to set largest cb flag (assumes not defined) */
+		global.bad_cb_test_rv = bpf_sock_ops_cb_flags_set(skops, 0x80);
+		/* Set callback */
+		global.good_cb_test_rv = bpf_sock_ops_cb_flags_set(skops,
+						 BPF_SOCK_OPS_STATE_CB_FLAG);
+		break;
+	case BPF_SOCK_OPS_PASSIVE_ESTABLISHED_CB:
+		skops->sk_txhash = 0x12345f;
+		v = 0xff;
+		rv = bpf_setsockopt(skops, SOL_IPV6, IPV6_TCLASS, &v,
+				    sizeof(v));
+		if (skops->family == AF_INET6) {
+			v = bpf_getsockopt(skops, IPPROTO_TCP, TCP_SAVED_SYN,
+					   header, (sizeof(struct ipv6hdr) +
+						    sizeof(struct tcphdr)));
+			if (!v) {
+				int offset = sizeof(struct ipv6hdr);
+
+				thdr = (struct tcphdr *)(header + offset);
+				v = thdr->syn;
+
+				global.tcp_saved_syn = v;
+			}
+		}
+		rv = bpf_setsockopt(skops, SOL_TCP, TCP_WINDOW_CLAMP,
+				    &window_clamp, sizeof(window_clamp));
+
+		global.window_clamp_server = get_tp_window_clamp(skops);
+		break;
+	case BPF_SOCK_OPS_RTO_CB:
+		break;
+	case BPF_SOCK_OPS_RETRANS_CB:
+		break;
+	case BPF_SOCK_OPS_STATE_CB:
+		if (skops->args[1] == BPF_TCP_CLOSE) {
+			if (skops->args[0] == BPF_TCP_LISTEN) {
+				global.num_listen++;
+			} else {
+				global.total_retrans = skops->total_retrans;
+				global.data_segs_in = skops->data_segs_in;
+				global.data_segs_out = skops->data_segs_out;
+				global.bytes_received = skops->bytes_received;
+				global.bytes_acked = skops->bytes_acked;
+			}
+			global.num_close_events++;
+		}
+		break;
+	case BPF_SOCK_OPS_TCP_LISTEN_CB:
+		bpf_sock_ops_cb_flags_set(skops, BPF_SOCK_OPS_STATE_CB_FLAG);
+		v = bpf_setsockopt(skops, IPPROTO_TCP, TCP_SAVE_SYN,
+				   &save_syn, sizeof(save_syn));
+		/* Update global map w/ result of setsock opt */
+		global.tcp_save_syn = v;
+		break;
+	default:
+		rv = -1;
+	}
+	skops->reply = rv;
+	return 1;
+}
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/test_tcpnotify_kern.c b/tools/testing/selftests/bpf/progs/test_tcpnotify_kern.c
new file mode 100644
index 000000000..540181c11
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_tcpnotify_kern.c
@@ -0,0 +1,93 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <stddef.h>
+#include <string.h>
+#include <netinet/in.h>
+#include <linux/bpf.h>
+#include <linux/if_ether.h>
+#include <linux/if_packet.h>
+#include <linux/ip.h>
+#include <linux/ipv6.h>
+#include <linux/types.h>
+#include <linux/socket.h>
+#include <linux/tcp.h>
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_endian.h>
+#include "test_tcpnotify.h"
+
+struct {
+	__uint(type, BPF_MAP_TYPE_ARRAY);
+	__uint(max_entries, 4);
+	__type(key, __u32);
+	__type(value, struct tcpnotify_globals);
+} global_map SEC(".maps");
+
+struct {
+	__uint(type, BPF_MAP_TYPE_PERF_EVENT_ARRAY);
+	__uint(max_entries, 2);
+	__type(key, int);
+	__type(value, __u32);
+} perf_event_map SEC(".maps");
+
+SEC("sockops")
+int bpf_testcb(struct bpf_sock_ops *skops)
+{
+	int rv = -1;
+	int op;
+
+	op = (int) skops->op;
+
+	if (bpf_ntohl(skops->remote_port) != TESTPORT) {
+		skops->reply = -1;
+		return 0;
+	}
+
+	switch (op) {
+	case BPF_SOCK_OPS_TIMEOUT_INIT:
+	case BPF_SOCK_OPS_RWND_INIT:
+	case BPF_SOCK_OPS_NEEDS_ECN:
+	case BPF_SOCK_OPS_BASE_RTT:
+	case BPF_SOCK_OPS_RTO_CB:
+		rv = 1;
+		break;
+
+	case BPF_SOCK_OPS_TCP_CONNECT_CB:
+	case BPF_SOCK_OPS_TCP_LISTEN_CB:
+	case BPF_SOCK_OPS_ACTIVE_ESTABLISHED_CB:
+	case BPF_SOCK_OPS_PASSIVE_ESTABLISHED_CB:
+		bpf_sock_ops_cb_flags_set(skops, (BPF_SOCK_OPS_RETRANS_CB_FLAG|
+					  BPF_SOCK_OPS_RTO_CB_FLAG));
+		rv = 1;
+		break;
+	case BPF_SOCK_OPS_RETRANS_CB: {
+			__u32 key = 0;
+			struct tcpnotify_globals g, *gp;
+			struct tcp_notifier msg = {
+				.type = 0xde,
+				.subtype = 0xad,
+				.source = 0xbe,
+				.hash = 0xef,
+			};
+
+			rv = 1;
+
+			/* Update results */
+			gp = bpf_map_lookup_elem(&global_map, &key);
+			if (!gp)
+				break;
+			g = *gp;
+			g.total_retrans = skops->total_retrans;
+			g.ncalls++;
+			bpf_map_update_elem(&global_map, &key, &g,
+					    BPF_ANY);
+			bpf_perf_event_output(skops, &perf_event_map,
+					      BPF_F_CURRENT_CPU,
+					      &msg, sizeof(msg));
+		}
+		break;
+	default:
+		rv = -1;
+	}
+	skops->reply = rv;
+	return 1;
+}
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/test_time_tai.c b/tools/testing/selftests/bpf/progs/test_time_tai.c
new file mode 100644
index 000000000..7ea0863f3
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_time_tai.c
@@ -0,0 +1,24 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (C) 2022 Linutronix GmbH */
+
+#include <linux/bpf.h>
+#include <bpf/bpf_helpers.h>
+
+char _license[] SEC("license") = "GPL";
+
+SEC("tc")
+int time_tai(struct __sk_buff *skb)
+{
+	__u64 ts1, ts2;
+
+	/* Get TAI timestamps */
+	ts1 = bpf_ktime_get_tai_ns();
+	ts2 = bpf_ktime_get_tai_ns();
+
+	/* Save TAI timestamps (Note: skb->hwtstamp is read-only) */
+	skb->tstamp = ts1;
+	skb->cb[0] = ts2 & 0xffffffff;
+	skb->cb[1] = ts2 >> 32;
+
+	return 0;
+}
diff --git a/tools/testing/selftests/bpf/progs/test_trace_ext.c b/tools/testing/selftests/bpf/progs/test_trace_ext.c
new file mode 100644
index 000000000..d19a634d0
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_trace_ext.c
@@ -0,0 +1,18 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (c) 2019 Facebook
+#include <linux/bpf.h>
+#include <stdbool.h>
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_endian.h>
+#include <bpf/bpf_tracing.h>
+
+__u64 ext_called = 0;
+
+SEC("freplace/test_pkt_md_access")
+int test_pkt_md_access_new(struct __sk_buff *skb)
+{
+	ext_called = skb->len;
+	return 0;
+}
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/test_trace_ext_tracing.c b/tools/testing/selftests/bpf/progs/test_trace_ext_tracing.c
new file mode 100644
index 000000000..52f3baf98
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_trace_ext_tracing.c
@@ -0,0 +1,25 @@
+// SPDX-License-Identifier: GPL-2.0
+
+#include "vmlinux.h"
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_tracing.h>
+
+__u64 fentry_called = 0;
+
+SEC("fentry/test_pkt_md_access_new")
+int BPF_PROG(fentry, struct sk_buff *skb)
+{
+	fentry_called = skb->len;
+	return 0;
+}
+
+__u64 fexit_called = 0;
+
+SEC("fexit/test_pkt_md_access_new")
+int BPF_PROG(fexit, struct sk_buff *skb)
+{
+	fexit_called = skb->len;
+	return 0;
+}
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/test_tracepoint.c b/tools/testing/selftests/bpf/progs/test_tracepoint.c
new file mode 100644
index 000000000..43bd7a20c
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_tracepoint.c
@@ -0,0 +1,25 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (c) 2017 Facebook
+
+#include <vmlinux.h>
+#include <bpf/bpf_helpers.h>
+
+/* taken from /sys/kernel/debug/tracing/events/sched/sched_switch/format */
+struct sched_switch_args {
+	unsigned long long pad;
+	char prev_comm[TASK_COMM_LEN];
+	int prev_pid;
+	int prev_prio;
+	long long prev_state;
+	char next_comm[TASK_COMM_LEN];
+	int next_pid;
+	int next_prio;
+};
+
+SEC("tracepoint/sched/sched_switch")
+int oncpu(struct sched_switch_args *ctx)
+{
+	return 0;
+}
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/test_trampoline_count.c b/tools/testing/selftests/bpf/progs/test_trampoline_count.c
new file mode 100644
index 000000000..7765720da
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_trampoline_count.c
@@ -0,0 +1,24 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <linux/bpf.h>
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_tracing.h>
+
+SEC("fentry/bpf_modify_return_test")
+int BPF_PROG(fentry_test, int a, int *b)
+{
+	return 0;
+}
+
+SEC("fmod_ret/bpf_modify_return_test")
+int BPF_PROG(fmod_ret_test, int a, int *b, int ret)
+{
+	return 0;
+}
+
+SEC("fexit/bpf_modify_return_test")
+int BPF_PROG(fexit_test, int a, int *b, int ret)
+{
+	return 0;
+}
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/test_tunnel_kern.c b/tools/testing/selftests/bpf/progs/test_tunnel_kern.c
new file mode 100644
index 000000000..98af55f0b
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_tunnel_kern.c
@@ -0,0 +1,850 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2016 VMware
+ * Copyright (c) 2016 Facebook
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of version 2 of the GNU General Public
+ * License as published by the Free Software Foundation.
+ */
+#include <stddef.h>
+#include <string.h>
+#include <arpa/inet.h>
+#include <linux/bpf.h>
+#include <linux/if_ether.h>
+#include <linux/if_packet.h>
+#include <linux/if_tunnel.h>
+#include <linux/ip.h>
+#include <linux/ipv6.h>
+#include <linux/icmp.h>
+#include <linux/types.h>
+#include <linux/socket.h>
+#include <linux/pkt_cls.h>
+#include <linux/erspan.h>
+#include <linux/udp.h>
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_endian.h>
+
+#define log_err(__ret) bpf_printk("ERROR line:%d ret:%d\n", __LINE__, __ret)
+
+#define VXLAN_UDP_PORT 4789
+
+/* Only IPv4 address assigned to veth1.
+ * 172.16.1.200
+ */
+#define ASSIGNED_ADDR_VETH1 0xac1001c8
+
+struct geneve_opt {
+	__be16	opt_class;
+	__u8	type;
+	__u8	length:5;
+	__u8	r3:1;
+	__u8	r2:1;
+	__u8	r1:1;
+	__u8	opt_data[8]; /* hard-coded to 8 byte */
+};
+
+struct vxlanhdr {
+	__be32 vx_flags;
+	__be32 vx_vni;
+} __attribute__((packed));
+
+struct vxlan_metadata {
+	__u32     gbp;
+};
+
+struct {
+	__uint(type, BPF_MAP_TYPE_ARRAY);
+	__uint(max_entries, 1);
+	__type(key, __u32);
+	__type(value, __u32);
+} local_ip_map SEC(".maps");
+
+SEC("tc")
+int gre_set_tunnel(struct __sk_buff *skb)
+{
+	int ret;
+	struct bpf_tunnel_key key;
+
+	__builtin_memset(&key, 0x0, sizeof(key));
+	key.remote_ipv4 = 0xac100164; /* 172.16.1.100 */
+	key.tunnel_id = 2;
+	key.tunnel_tos = 0;
+	key.tunnel_ttl = 64;
+
+	ret = bpf_skb_set_tunnel_key(skb, &key, sizeof(key),
+				     BPF_F_ZERO_CSUM_TX | BPF_F_SEQ_NUMBER);
+	if (ret < 0) {
+		log_err(ret);
+		return TC_ACT_SHOT;
+	}
+
+	return TC_ACT_OK;
+}
+
+SEC("tc")
+int gre_get_tunnel(struct __sk_buff *skb)
+{
+	int ret;
+	struct bpf_tunnel_key key;
+
+	ret = bpf_skb_get_tunnel_key(skb, &key, sizeof(key), 0);
+	if (ret < 0) {
+		log_err(ret);
+		return TC_ACT_SHOT;
+	}
+
+	bpf_printk("key %d remote ip 0x%x\n", key.tunnel_id, key.remote_ipv4);
+	return TC_ACT_OK;
+}
+
+SEC("tc")
+int ip6gretap_set_tunnel(struct __sk_buff *skb)
+{
+	struct bpf_tunnel_key key;
+	int ret;
+
+	__builtin_memset(&key, 0x0, sizeof(key));
+	key.remote_ipv6[3] = bpf_htonl(0x11); /* ::11 */
+	key.tunnel_id = 2;
+	key.tunnel_tos = 0;
+	key.tunnel_ttl = 64;
+	key.tunnel_label = 0xabcde;
+
+	ret = bpf_skb_set_tunnel_key(skb, &key, sizeof(key),
+				     BPF_F_TUNINFO_IPV6 | BPF_F_ZERO_CSUM_TX |
+				     BPF_F_SEQ_NUMBER);
+	if (ret < 0) {
+		log_err(ret);
+		return TC_ACT_SHOT;
+	}
+
+	return TC_ACT_OK;
+}
+
+SEC("tc")
+int ip6gretap_get_tunnel(struct __sk_buff *skb)
+{
+	struct bpf_tunnel_key key;
+	int ret;
+
+	ret = bpf_skb_get_tunnel_key(skb, &key, sizeof(key),
+				     BPF_F_TUNINFO_IPV6);
+	if (ret < 0) {
+		log_err(ret);
+		return TC_ACT_SHOT;
+	}
+
+	bpf_printk("key %d remote ip6 ::%x label %x\n",
+		   key.tunnel_id, key.remote_ipv6[3], key.tunnel_label);
+
+	return TC_ACT_OK;
+}
+
+SEC("tc")
+int erspan_set_tunnel(struct __sk_buff *skb)
+{
+	struct bpf_tunnel_key key;
+	struct erspan_metadata md;
+	int ret;
+
+	__builtin_memset(&key, 0x0, sizeof(key));
+	key.remote_ipv4 = 0xac100164; /* 172.16.1.100 */
+	key.tunnel_id = 2;
+	key.tunnel_tos = 0;
+	key.tunnel_ttl = 64;
+
+	ret = bpf_skb_set_tunnel_key(skb, &key, sizeof(key),
+				     BPF_F_ZERO_CSUM_TX);
+	if (ret < 0) {
+		log_err(ret);
+		return TC_ACT_SHOT;
+	}
+
+	__builtin_memset(&md, 0, sizeof(md));
+#ifdef ERSPAN_V1
+	md.version = 1;
+	md.u.index = bpf_htonl(123);
+#else
+	__u8 direction = 1;
+	__u8 hwid = 7;
+
+	md.version = 2;
+	md.u.md2.dir = direction;
+	md.u.md2.hwid = hwid & 0xf;
+	md.u.md2.hwid_upper = (hwid >> 4) & 0x3;
+#endif
+
+	ret = bpf_skb_set_tunnel_opt(skb, &md, sizeof(md));
+	if (ret < 0) {
+		log_err(ret);
+		return TC_ACT_SHOT;
+	}
+
+	return TC_ACT_OK;
+}
+
+SEC("tc")
+int erspan_get_tunnel(struct __sk_buff *skb)
+{
+	struct bpf_tunnel_key key;
+	struct erspan_metadata md;
+	__u32 index;
+	int ret;
+
+	ret = bpf_skb_get_tunnel_key(skb, &key, sizeof(key), 0);
+	if (ret < 0) {
+		log_err(ret);
+		return TC_ACT_SHOT;
+	}
+
+	ret = bpf_skb_get_tunnel_opt(skb, &md, sizeof(md));
+	if (ret < 0) {
+		log_err(ret);
+		return TC_ACT_SHOT;
+	}
+
+	bpf_printk("key %d remote ip 0x%x erspan version %d\n",
+		   key.tunnel_id, key.remote_ipv4, md.version);
+
+#ifdef ERSPAN_V1
+	index = bpf_ntohl(md.u.index);
+	bpf_printk("\tindex %x\n", index);
+#else
+	bpf_printk("\tdirection %d hwid %x timestamp %u\n",
+		   md.u.md2.dir,
+		   (md.u.md2.hwid_upper << 4) + md.u.md2.hwid,
+		   bpf_ntohl(md.u.md2.timestamp));
+#endif
+
+	return TC_ACT_OK;
+}
+
+SEC("tc")
+int ip4ip6erspan_set_tunnel(struct __sk_buff *skb)
+{
+	struct bpf_tunnel_key key;
+	struct erspan_metadata md;
+	int ret;
+
+	__builtin_memset(&key, 0x0, sizeof(key));
+	key.remote_ipv6[3] = bpf_htonl(0x11);
+	key.tunnel_id = 2;
+	key.tunnel_tos = 0;
+	key.tunnel_ttl = 64;
+
+	ret = bpf_skb_set_tunnel_key(skb, &key, sizeof(key),
+				     BPF_F_TUNINFO_IPV6);
+	if (ret < 0) {
+		log_err(ret);
+		return TC_ACT_SHOT;
+	}
+
+	__builtin_memset(&md, 0, sizeof(md));
+
+#ifdef ERSPAN_V1
+	md.u.index = bpf_htonl(123);
+	md.version = 1;
+#else
+	__u8 direction = 0;
+	__u8 hwid = 17;
+
+	md.version = 2;
+	md.u.md2.dir = direction;
+	md.u.md2.hwid = hwid & 0xf;
+	md.u.md2.hwid_upper = (hwid >> 4) & 0x3;
+#endif
+
+	ret = bpf_skb_set_tunnel_opt(skb, &md, sizeof(md));
+	if (ret < 0) {
+		log_err(ret);
+		return TC_ACT_SHOT;
+	}
+
+	return TC_ACT_OK;
+}
+
+SEC("tc")
+int ip4ip6erspan_get_tunnel(struct __sk_buff *skb)
+{
+	struct bpf_tunnel_key key;
+	struct erspan_metadata md;
+	__u32 index;
+	int ret;
+
+	ret = bpf_skb_get_tunnel_key(skb, &key, sizeof(key),
+				     BPF_F_TUNINFO_IPV6);
+	if (ret < 0) {
+		log_err(ret);
+		return TC_ACT_SHOT;
+	}
+
+	ret = bpf_skb_get_tunnel_opt(skb, &md, sizeof(md));
+	if (ret < 0) {
+		log_err(ret);
+		return TC_ACT_SHOT;
+	}
+
+	bpf_printk("ip6erspan get key %d remote ip6 ::%x erspan version %d\n",
+		   key.tunnel_id, key.remote_ipv4, md.version);
+
+#ifdef ERSPAN_V1
+	index = bpf_ntohl(md.u.index);
+	bpf_printk("\tindex %x\n", index);
+#else
+	bpf_printk("\tdirection %d hwid %x timestamp %u\n",
+		   md.u.md2.dir,
+		   (md.u.md2.hwid_upper << 4) + md.u.md2.hwid,
+		   bpf_ntohl(md.u.md2.timestamp));
+#endif
+
+	return TC_ACT_OK;
+}
+
+SEC("tc")
+int vxlan_set_tunnel_dst(struct __sk_buff *skb)
+{
+	int ret;
+	struct bpf_tunnel_key key;
+	struct vxlan_metadata md;
+	__u32 index = 0;
+	__u32 *local_ip = NULL;
+
+	local_ip = bpf_map_lookup_elem(&local_ip_map, &index);
+	if (!local_ip) {
+		log_err(ret);
+		return TC_ACT_SHOT;
+	}
+
+	__builtin_memset(&key, 0x0, sizeof(key));
+	key.local_ipv4 = 0xac100164; /* 172.16.1.100 */
+	key.remote_ipv4 = *local_ip;
+	key.tunnel_id = 2;
+	key.tunnel_tos = 0;
+	key.tunnel_ttl = 64;
+
+	ret = bpf_skb_set_tunnel_key(skb, &key, sizeof(key),
+				     BPF_F_ZERO_CSUM_TX);
+	if (ret < 0) {
+		log_err(ret);
+		return TC_ACT_SHOT;
+	}
+
+	md.gbp = 0x800FF; /* Set VXLAN Group Policy extension */
+	ret = bpf_skb_set_tunnel_opt(skb, &md, sizeof(md));
+	if (ret < 0) {
+		log_err(ret);
+		return TC_ACT_SHOT;
+	}
+
+	return TC_ACT_OK;
+}
+
+SEC("tc")
+int vxlan_set_tunnel_src(struct __sk_buff *skb)
+{
+	int ret;
+	struct bpf_tunnel_key key;
+	struct vxlan_metadata md;
+	__u32 index = 0;
+	__u32 *local_ip = NULL;
+
+	local_ip = bpf_map_lookup_elem(&local_ip_map, &index);
+	if (!local_ip) {
+		log_err(ret);
+		return TC_ACT_SHOT;
+	}
+
+	__builtin_memset(&key, 0x0, sizeof(key));
+	key.local_ipv4 = *local_ip;
+	key.remote_ipv4 = 0xac100164; /* 172.16.1.100 */
+	key.tunnel_id = 2;
+	key.tunnel_tos = 0;
+	key.tunnel_ttl = 64;
+
+	ret = bpf_skb_set_tunnel_key(skb, &key, sizeof(key),
+				     BPF_F_ZERO_CSUM_TX);
+	if (ret < 0) {
+		log_err(ret);
+		return TC_ACT_SHOT;
+	}
+
+	md.gbp = 0x800FF; /* Set VXLAN Group Policy extension */
+	ret = bpf_skb_set_tunnel_opt(skb, &md, sizeof(md));
+	if (ret < 0) {
+		log_err(ret);
+		return TC_ACT_SHOT;
+	}
+
+	return TC_ACT_OK;
+}
+
+SEC("tc")
+int vxlan_get_tunnel_src(struct __sk_buff *skb)
+{
+	int ret;
+	struct bpf_tunnel_key key;
+	struct vxlan_metadata md;
+	__u32 orig_daddr;
+	__u32 index = 0;
+
+	ret = bpf_skb_get_tunnel_key(skb, &key, sizeof(key),
+				     BPF_F_TUNINFO_FLAGS);
+	if (ret < 0) {
+		log_err(ret);
+		return TC_ACT_SHOT;
+	}
+
+	ret = bpf_skb_get_tunnel_opt(skb, &md, sizeof(md));
+	if (ret < 0) {
+		log_err(ret);
+		return TC_ACT_SHOT;
+	}
+
+	if (key.local_ipv4 != ASSIGNED_ADDR_VETH1 || md.gbp != 0x800FF ||
+	    !(key.tunnel_flags & TUNNEL_KEY) ||
+	    (key.tunnel_flags & TUNNEL_CSUM)) {
+		bpf_printk("vxlan key %d local ip 0x%x remote ip 0x%x gbp 0x%x flags 0x%x\n",
+			   key.tunnel_id, key.local_ipv4,
+			   key.remote_ipv4, md.gbp,
+			   bpf_ntohs(key.tunnel_flags));
+		log_err(ret);
+		return TC_ACT_SHOT;
+	}
+
+	return TC_ACT_OK;
+}
+
+SEC("tc")
+int veth_set_outer_dst(struct __sk_buff *skb)
+{
+	struct ethhdr *eth = (struct ethhdr *)(long)skb->data;
+	__u32 assigned_ip = bpf_htonl(ASSIGNED_ADDR_VETH1);
+	void *data_end = (void *)(long)skb->data_end;
+	struct udphdr *udph;
+	struct iphdr *iph;
+	__u32 index = 0;
+	int ret = 0;
+	int shrink;
+	__s64 csum;
+
+	if ((void *)eth + sizeof(*eth) > data_end) {
+		log_err(ret);
+		return TC_ACT_SHOT;
+	}
+
+	if (eth->h_proto != bpf_htons(ETH_P_IP))
+		return TC_ACT_OK;
+
+	iph = (struct iphdr *)(eth + 1);
+	if ((void *)iph + sizeof(*iph) > data_end) {
+		log_err(ret);
+		return TC_ACT_SHOT;
+	}
+	if (iph->protocol != IPPROTO_UDP)
+		return TC_ACT_OK;
+
+	udph = (struct udphdr *)(iph + 1);
+	if ((void *)udph + sizeof(*udph) > data_end) {
+		log_err(ret);
+		return TC_ACT_SHOT;
+	}
+	if (udph->dest != bpf_htons(VXLAN_UDP_PORT))
+		return TC_ACT_OK;
+
+	if (iph->daddr != assigned_ip) {
+		csum = bpf_csum_diff(&iph->daddr, sizeof(__u32), &assigned_ip,
+				     sizeof(__u32), 0);
+		if (bpf_skb_store_bytes(skb, ETH_HLEN + offsetof(struct iphdr, daddr),
+					&assigned_ip, sizeof(__u32), 0) < 0) {
+			log_err(ret);
+			return TC_ACT_SHOT;
+		}
+		if (bpf_l3_csum_replace(skb, ETH_HLEN + offsetof(struct iphdr, check),
+					0, csum, 0) < 0) {
+			log_err(ret);
+			return TC_ACT_SHOT;
+		}
+		bpf_skb_change_type(skb, PACKET_HOST);
+	}
+	return TC_ACT_OK;
+}
+
+SEC("tc")
+int ip6vxlan_set_tunnel_dst(struct __sk_buff *skb)
+{
+	struct bpf_tunnel_key key;
+	int ret;
+	__u32 index = 0;
+	__u32 *local_ip;
+
+	local_ip = bpf_map_lookup_elem(&local_ip_map, &index);
+	if (!local_ip) {
+		log_err(ret);
+		return TC_ACT_SHOT;
+	}
+
+	__builtin_memset(&key, 0x0, sizeof(key));
+	key.local_ipv6[3] = bpf_htonl(0x11); /* ::11 */
+	key.remote_ipv6[3] = bpf_htonl(*local_ip);
+	key.tunnel_id = 22;
+	key.tunnel_tos = 0;
+	key.tunnel_ttl = 64;
+
+	ret = bpf_skb_set_tunnel_key(skb, &key, sizeof(key),
+				     BPF_F_TUNINFO_IPV6);
+	if (ret < 0) {
+		log_err(ret);
+		return TC_ACT_SHOT;
+	}
+
+	return TC_ACT_OK;
+}
+
+SEC("tc")
+int ip6vxlan_set_tunnel_src(struct __sk_buff *skb)
+{
+	struct bpf_tunnel_key key;
+	int ret;
+	__u32 index = 0;
+	__u32 *local_ip;
+
+	local_ip = bpf_map_lookup_elem(&local_ip_map, &index);
+	if (!local_ip) {
+		log_err(ret);
+		return TC_ACT_SHOT;
+	}
+
+	__builtin_memset(&key, 0x0, sizeof(key));
+	key.local_ipv6[3] = bpf_htonl(*local_ip);
+	key.remote_ipv6[3] = bpf_htonl(0x11); /* ::11 */
+	key.tunnel_id = 22;
+	key.tunnel_tos = 0;
+	key.tunnel_ttl = 64;
+
+	ret = bpf_skb_set_tunnel_key(skb, &key, sizeof(key),
+				     BPF_F_TUNINFO_IPV6);
+	if (ret < 0) {
+		log_err(ret);
+		return TC_ACT_SHOT;
+	}
+
+	return TC_ACT_OK;
+}
+
+SEC("tc")
+int ip6vxlan_get_tunnel_src(struct __sk_buff *skb)
+{
+	struct bpf_tunnel_key key;
+	int ret;
+	__u32 index = 0;
+	__u32 *local_ip;
+
+	local_ip = bpf_map_lookup_elem(&local_ip_map, &index);
+	if (!local_ip) {
+		log_err(ret);
+		return TC_ACT_SHOT;
+	}
+
+	ret = bpf_skb_get_tunnel_key(skb, &key, sizeof(key),
+				     BPF_F_TUNINFO_IPV6 | BPF_F_TUNINFO_FLAGS);
+	if (ret < 0) {
+		log_err(ret);
+		return TC_ACT_SHOT;
+	}
+
+	if (bpf_ntohl(key.local_ipv6[3]) != *local_ip ||
+	    !(key.tunnel_flags & TUNNEL_KEY) ||
+	    !(key.tunnel_flags & TUNNEL_CSUM)) {
+		bpf_printk("ip6vxlan key %d local ip6 ::%x remote ip6 ::%x label 0x%x flags 0x%x\n",
+			   key.tunnel_id, bpf_ntohl(key.local_ipv6[3]),
+			   bpf_ntohl(key.remote_ipv6[3]), key.tunnel_label,
+			   bpf_ntohs(key.tunnel_flags));
+		bpf_printk("local_ip 0x%x\n", *local_ip);
+		log_err(ret);
+		return TC_ACT_SHOT;
+	}
+
+	return TC_ACT_OK;
+}
+
+SEC("tc")
+int geneve_set_tunnel(struct __sk_buff *skb)
+{
+	int ret;
+	struct bpf_tunnel_key key;
+	struct geneve_opt gopt;
+
+	__builtin_memset(&key, 0x0, sizeof(key));
+	key.remote_ipv4 = 0xac100164; /* 172.16.1.100 */
+	key.tunnel_id = 2;
+	key.tunnel_tos = 0;
+	key.tunnel_ttl = 64;
+
+	__builtin_memset(&gopt, 0x0, sizeof(gopt));
+	gopt.opt_class = bpf_htons(0x102); /* Open Virtual Networking (OVN) */
+	gopt.type = 0x08;
+	gopt.r1 = 0;
+	gopt.r2 = 0;
+	gopt.r3 = 0;
+	gopt.length = 2; /* 4-byte multiple */
+	*(int *) &gopt.opt_data = bpf_htonl(0xdeadbeef);
+
+	ret = bpf_skb_set_tunnel_key(skb, &key, sizeof(key),
+				     BPF_F_ZERO_CSUM_TX);
+	if (ret < 0) {
+		log_err(ret);
+		return TC_ACT_SHOT;
+	}
+
+	ret = bpf_skb_set_tunnel_opt(skb, &gopt, sizeof(gopt));
+	if (ret < 0) {
+		log_err(ret);
+		return TC_ACT_SHOT;
+	}
+
+	return TC_ACT_OK;
+}
+
+SEC("tc")
+int geneve_get_tunnel(struct __sk_buff *skb)
+{
+	int ret;
+	struct bpf_tunnel_key key;
+	struct geneve_opt gopt;
+
+	ret = bpf_skb_get_tunnel_key(skb, &key, sizeof(key), 0);
+	if (ret < 0) {
+		log_err(ret);
+		return TC_ACT_SHOT;
+	}
+
+	ret = bpf_skb_get_tunnel_opt(skb, &gopt, sizeof(gopt));
+	if (ret < 0)
+		gopt.opt_class = 0;
+
+	bpf_printk("key %d remote ip 0x%x geneve class 0x%x\n",
+		   key.tunnel_id, key.remote_ipv4, gopt.opt_class);
+	return TC_ACT_OK;
+}
+
+SEC("tc")
+int ip6geneve_set_tunnel(struct __sk_buff *skb)
+{
+	struct bpf_tunnel_key key;
+	struct geneve_opt gopt;
+	int ret;
+
+	__builtin_memset(&key, 0x0, sizeof(key));
+	key.remote_ipv6[3] = bpf_htonl(0x11); /* ::11 */
+	key.tunnel_id = 22;
+	key.tunnel_tos = 0;
+	key.tunnel_ttl = 64;
+
+	ret = bpf_skb_set_tunnel_key(skb, &key, sizeof(key),
+				     BPF_F_TUNINFO_IPV6);
+	if (ret < 0) {
+		log_err(ret);
+		return TC_ACT_SHOT;
+	}
+
+	__builtin_memset(&gopt, 0x0, sizeof(gopt));
+	gopt.opt_class = bpf_htons(0x102); /* Open Virtual Networking (OVN) */
+	gopt.type = 0x08;
+	gopt.r1 = 0;
+	gopt.r2 = 0;
+	gopt.r3 = 0;
+	gopt.length = 2; /* 4-byte multiple */
+	*(int *) &gopt.opt_data = bpf_htonl(0xfeedbeef);
+
+	ret = bpf_skb_set_tunnel_opt(skb, &gopt, sizeof(gopt));
+	if (ret < 0) {
+		log_err(ret);
+		return TC_ACT_SHOT;
+	}
+
+	return TC_ACT_OK;
+}
+
+SEC("tc")
+int ip6geneve_get_tunnel(struct __sk_buff *skb)
+{
+	struct bpf_tunnel_key key;
+	struct geneve_opt gopt;
+	int ret;
+
+	ret = bpf_skb_get_tunnel_key(skb, &key, sizeof(key),
+				     BPF_F_TUNINFO_IPV6);
+	if (ret < 0) {
+		log_err(ret);
+		return TC_ACT_SHOT;
+	}
+
+	ret = bpf_skb_get_tunnel_opt(skb, &gopt, sizeof(gopt));
+	if (ret < 0)
+		gopt.opt_class = 0;
+
+	bpf_printk("key %d remote ip 0x%x geneve class 0x%x\n",
+		   key.tunnel_id, key.remote_ipv4, gopt.opt_class);
+
+	return TC_ACT_OK;
+}
+
+SEC("tc")
+int ipip_set_tunnel(struct __sk_buff *skb)
+{
+	struct bpf_tunnel_key key = {};
+	void *data = (void *)(long)skb->data;
+	struct iphdr *iph = data;
+	void *data_end = (void *)(long)skb->data_end;
+	int ret;
+
+	/* single length check */
+	if (data + sizeof(*iph) > data_end) {
+		log_err(1);
+		return TC_ACT_SHOT;
+	}
+
+	key.tunnel_ttl = 64;
+	if (iph->protocol == IPPROTO_ICMP) {
+		key.remote_ipv4 = 0xac100164; /* 172.16.1.100 */
+	}
+
+	ret = bpf_skb_set_tunnel_key(skb, &key, sizeof(key), 0);
+	if (ret < 0) {
+		log_err(ret);
+		return TC_ACT_SHOT;
+	}
+
+	return TC_ACT_OK;
+}
+
+SEC("tc")
+int ipip_get_tunnel(struct __sk_buff *skb)
+{
+	int ret;
+	struct bpf_tunnel_key key;
+
+	ret = bpf_skb_get_tunnel_key(skb, &key, sizeof(key), 0);
+	if (ret < 0) {
+		log_err(ret);
+		return TC_ACT_SHOT;
+	}
+
+	bpf_printk("remote ip 0x%x\n", key.remote_ipv4);
+	return TC_ACT_OK;
+}
+
+SEC("tc")
+int ipip6_set_tunnel(struct __sk_buff *skb)
+{
+	struct bpf_tunnel_key key = {};
+	void *data = (void *)(long)skb->data;
+	struct iphdr *iph = data;
+	void *data_end = (void *)(long)skb->data_end;
+	int ret;
+
+	/* single length check */
+	if (data + sizeof(*iph) > data_end) {
+		log_err(1);
+		return TC_ACT_SHOT;
+	}
+
+	__builtin_memset(&key, 0x0, sizeof(key));
+	key.tunnel_ttl = 64;
+	if (iph->protocol == IPPROTO_ICMP) {
+		key.remote_ipv6[3] = bpf_htonl(0x11); /* ::11 */
+	}
+
+	ret = bpf_skb_set_tunnel_key(skb, &key, sizeof(key),
+				     BPF_F_TUNINFO_IPV6);
+	if (ret < 0) {
+		log_err(ret);
+		return TC_ACT_SHOT;
+	}
+
+	return TC_ACT_OK;
+}
+
+SEC("tc")
+int ipip6_get_tunnel(struct __sk_buff *skb)
+{
+	int ret;
+	struct bpf_tunnel_key key;
+
+	ret = bpf_skb_get_tunnel_key(skb, &key, sizeof(key),
+				     BPF_F_TUNINFO_IPV6);
+	if (ret < 0) {
+		log_err(ret);
+		return TC_ACT_SHOT;
+	}
+
+	bpf_printk("remote ip6 %x::%x\n", bpf_htonl(key.remote_ipv6[0]),
+		   bpf_htonl(key.remote_ipv6[3]));
+	return TC_ACT_OK;
+}
+
+SEC("tc")
+int ip6ip6_set_tunnel(struct __sk_buff *skb)
+{
+	struct bpf_tunnel_key key = {};
+	void *data = (void *)(long)skb->data;
+	struct ipv6hdr *iph = data;
+	void *data_end = (void *)(long)skb->data_end;
+	int ret;
+
+	/* single length check */
+	if (data + sizeof(*iph) > data_end) {
+		log_err(1);
+		return TC_ACT_SHOT;
+	}
+
+	key.tunnel_ttl = 64;
+	if (iph->nexthdr == 58 /* NEXTHDR_ICMP */) {
+		key.remote_ipv6[3] = bpf_htonl(0x11); /* ::11 */
+	}
+
+	ret = bpf_skb_set_tunnel_key(skb, &key, sizeof(key),
+				     BPF_F_TUNINFO_IPV6);
+	if (ret < 0) {
+		log_err(ret);
+		return TC_ACT_SHOT;
+	}
+
+	return TC_ACT_OK;
+}
+
+SEC("tc")
+int ip6ip6_get_tunnel(struct __sk_buff *skb)
+{
+	int ret;
+	struct bpf_tunnel_key key;
+
+	ret = bpf_skb_get_tunnel_key(skb, &key, sizeof(key),
+				     BPF_F_TUNINFO_IPV6);
+	if (ret < 0) {
+		log_err(ret);
+		return TC_ACT_SHOT;
+	}
+
+	bpf_printk("remote ip6 %x::%x\n", bpf_htonl(key.remote_ipv6[0]),
+		   bpf_htonl(key.remote_ipv6[3]));
+	return TC_ACT_OK;
+}
+
+SEC("tc")
+int xfrm_get_state(struct __sk_buff *skb)
+{
+	struct bpf_xfrm_state x;
+	int ret;
+
+	ret = bpf_skb_get_xfrm_state(skb, 0, &x, sizeof(x), 0);
+	if (ret < 0)
+		return TC_ACT_OK;
+
+	bpf_printk("reqid %d spi 0x%x remote ip 0x%x\n",
+		   x.reqid, bpf_ntohl(x.spi),
+		   bpf_ntohl(x.remote_ipv4));
+	return TC_ACT_OK;
+}
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/test_unpriv_bpf_disabled.c b/tools/testing/selftests/bpf/progs/test_unpriv_bpf_disabled.c
new file mode 100644
index 000000000..fc423e43a
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_unpriv_bpf_disabled.c
@@ -0,0 +1,83 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2022, Oracle and/or its affiliates. */
+
+#include "vmlinux.h"
+
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_tracing.h>
+#include "bpf_misc.h"
+
+__u32 perfbuf_val = 0;
+__u32 ringbuf_val = 0;
+
+int test_pid;
+
+struct {
+	__uint(type, BPF_MAP_TYPE_ARRAY);
+	__uint(max_entries, 1);
+	__type(key, __u32);
+	__type(value, __u32);
+} array SEC(".maps");
+
+struct {
+	__uint(type, BPF_MAP_TYPE_PERCPU_ARRAY);
+	__uint(max_entries, 1);
+	__type(key, __u32);
+	__type(value, __u32);
+} percpu_array SEC(".maps");
+
+struct {
+	__uint(type, BPF_MAP_TYPE_HASH);
+	__uint(max_entries, 1);
+	__type(key, __u32);
+	__type(value, __u32);
+} hash SEC(".maps");
+
+struct {
+	__uint(type, BPF_MAP_TYPE_PERCPU_HASH);
+	__uint(max_entries, 1);
+	__type(key, __u32);
+	__type(value, __u32);
+} percpu_hash SEC(".maps");
+
+struct {
+	__uint(type, BPF_MAP_TYPE_PERF_EVENT_ARRAY);
+	__type(key, __u32);
+	__type(value, __u32);
+} perfbuf SEC(".maps");
+
+struct {
+	__uint(type, BPF_MAP_TYPE_RINGBUF);
+	__uint(max_entries, 1 << 12);
+} ringbuf SEC(".maps");
+
+struct {
+	__uint(type, BPF_MAP_TYPE_PROG_ARRAY);
+	__uint(max_entries, 1);
+	__uint(key_size, sizeof(__u32));
+	__uint(value_size, sizeof(__u32));
+} prog_array SEC(".maps");
+
+SEC("fentry/" SYS_PREFIX "sys_nanosleep")
+int sys_nanosleep_enter(void *ctx)
+{
+	int cur_pid;
+
+	cur_pid = bpf_get_current_pid_tgid() >> 32;
+
+	if (cur_pid != test_pid)
+		return 0;
+
+	bpf_perf_event_output(ctx, &perfbuf, BPF_F_CURRENT_CPU, &perfbuf_val, sizeof(perfbuf_val));
+	bpf_ringbuf_output(&ringbuf, &ringbuf_val, sizeof(ringbuf_val), 0);
+
+	return 0;
+}
+
+SEC("perf_event")
+int handle_perf_event(void *ctx)
+{
+	return 0;
+}
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/test_uprobe_autoattach.c b/tools/testing/selftests/bpf/progs/test_uprobe_autoattach.c
new file mode 100644
index 000000000..ab75522e2
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_uprobe_autoattach.c
@@ -0,0 +1,73 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2022, Oracle and/or its affiliates. */
+
+#include "vmlinux.h"
+
+#include <bpf/bpf_core_read.h>
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_tracing.h>
+
+int uprobe_byname_parm1 = 0;
+int uprobe_byname_ran = 0;
+int uretprobe_byname_rc = 0;
+int uretprobe_byname_ran = 0;
+size_t uprobe_byname2_parm1 = 0;
+int uprobe_byname2_ran = 0;
+char *uretprobe_byname2_rc = NULL;
+int uretprobe_byname2_ran = 0;
+
+int test_pid;
+
+/* This program cannot auto-attach, but that should not stop other
+ * programs from attaching.
+ */
+SEC("uprobe")
+int handle_uprobe_noautoattach(struct pt_regs *ctx)
+{
+	return 0;
+}
+
+SEC("uprobe//proc/self/exe:autoattach_trigger_func")
+int handle_uprobe_byname(struct pt_regs *ctx)
+{
+	uprobe_byname_parm1 = PT_REGS_PARM1_CORE(ctx);
+	uprobe_byname_ran = 1;
+	return 0;
+}
+
+SEC("uretprobe//proc/self/exe:autoattach_trigger_func")
+int handle_uretprobe_byname(struct pt_regs *ctx)
+{
+	uretprobe_byname_rc = PT_REGS_RC_CORE(ctx);
+	uretprobe_byname_ran = 2;
+	return 0;
+}
+
+
+SEC("uprobe/libc.so.6:malloc")
+int handle_uprobe_byname2(struct pt_regs *ctx)
+{
+	int pid = bpf_get_current_pid_tgid() >> 32;
+
+	/* ignore irrelevant invocations */
+	if (test_pid != pid)
+		return 0;
+	uprobe_byname2_parm1 = PT_REGS_PARM1_CORE(ctx);
+	uprobe_byname2_ran = 3;
+	return 0;
+}
+
+SEC("uretprobe/libc.so.6:malloc")
+int handle_uretprobe_byname2(struct pt_regs *ctx)
+{
+	int pid = bpf_get_current_pid_tgid() >> 32;
+
+	/* ignore irrelevant invocations */
+	if (test_pid != pid)
+		return 0;
+	uretprobe_byname2_rc = (char *)PT_REGS_RC_CORE(ctx);
+	uretprobe_byname2_ran = 4;
+	return 0;
+}
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/test_urandom_usdt.c b/tools/testing/selftests/bpf/progs/test_urandom_usdt.c
new file mode 100644
index 000000000..3539b02bd
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_urandom_usdt.c
@@ -0,0 +1,70 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2022 Meta Platforms, Inc. and affiliates. */
+
+#include "vmlinux.h"
+#include <bpf/bpf_helpers.h>
+#include <bpf/usdt.bpf.h>
+
+int urand_pid;
+
+int urand_read_without_sema_call_cnt;
+int urand_read_without_sema_buf_sz_sum;
+
+SEC("usdt/./urandom_read:urand:read_without_sema")
+int BPF_USDT(urand_read_without_sema, int iter_num, int iter_cnt, int buf_sz)
+{
+	if (urand_pid != (bpf_get_current_pid_tgid() >> 32))
+		return 0;
+
+	__sync_fetch_and_add(&urand_read_without_sema_call_cnt, 1);
+	__sync_fetch_and_add(&urand_read_without_sema_buf_sz_sum, buf_sz);
+
+	return 0;
+}
+
+int urand_read_with_sema_call_cnt;
+int urand_read_with_sema_buf_sz_sum;
+
+SEC("usdt/./urandom_read:urand:read_with_sema")
+int BPF_USDT(urand_read_with_sema, int iter_num, int iter_cnt, int buf_sz)
+{
+	if (urand_pid != (bpf_get_current_pid_tgid() >> 32))
+		return 0;
+
+	__sync_fetch_and_add(&urand_read_with_sema_call_cnt, 1);
+	__sync_fetch_and_add(&urand_read_with_sema_buf_sz_sum, buf_sz);
+
+	return 0;
+}
+
+int urandlib_read_without_sema_call_cnt;
+int urandlib_read_without_sema_buf_sz_sum;
+
+SEC("usdt/./liburandom_read.so:urandlib:read_without_sema")
+int BPF_USDT(urandlib_read_without_sema, int iter_num, int iter_cnt, int buf_sz)
+{
+	if (urand_pid != (bpf_get_current_pid_tgid() >> 32))
+		return 0;
+
+	__sync_fetch_and_add(&urandlib_read_without_sema_call_cnt, 1);
+	__sync_fetch_and_add(&urandlib_read_without_sema_buf_sz_sum, buf_sz);
+
+	return 0;
+}
+
+int urandlib_read_with_sema_call_cnt;
+int urandlib_read_with_sema_buf_sz_sum;
+
+SEC("usdt/./liburandom_read.so:urandlib:read_with_sema")
+int BPF_USDT(urandlib_read_with_sema, int iter_num, int iter_cnt, int buf_sz)
+{
+	if (urand_pid != (bpf_get_current_pid_tgid() >> 32))
+		return 0;
+
+	__sync_fetch_and_add(&urandlib_read_with_sema_call_cnt, 1);
+	__sync_fetch_and_add(&urandlib_read_with_sema_buf_sz_sum, buf_sz);
+
+	return 0;
+}
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/test_usdt.c b/tools/testing/selftests/bpf/progs/test_usdt.c
new file mode 100644
index 000000000..505aab9a5
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_usdt.c
@@ -0,0 +1,96 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2022 Meta Platforms, Inc. and affiliates. */
+
+#include "vmlinux.h"
+#include <bpf/bpf_helpers.h>
+#include <bpf/usdt.bpf.h>
+
+int my_pid;
+
+int usdt0_called;
+u64 usdt0_cookie;
+int usdt0_arg_cnt;
+int usdt0_arg_ret;
+
+SEC("usdt")
+int usdt0(struct pt_regs *ctx)
+{
+	long tmp;
+
+	if (my_pid != (bpf_get_current_pid_tgid() >> 32))
+		return 0;
+
+	__sync_fetch_and_add(&usdt0_called, 1);
+
+	usdt0_cookie = bpf_usdt_cookie(ctx);
+	usdt0_arg_cnt = bpf_usdt_arg_cnt(ctx);
+	/* should return -ENOENT for any arg_num */
+	usdt0_arg_ret = bpf_usdt_arg(ctx, bpf_get_prandom_u32(), &tmp);
+	return 0;
+}
+
+int usdt3_called;
+u64 usdt3_cookie;
+int usdt3_arg_cnt;
+int usdt3_arg_rets[3];
+u64 usdt3_args[3];
+
+SEC("usdt//proc/self/exe:test:usdt3")
+int usdt3(struct pt_regs *ctx)
+{
+	long tmp;
+
+	if (my_pid != (bpf_get_current_pid_tgid() >> 32))
+		return 0;
+
+	__sync_fetch_and_add(&usdt3_called, 1);
+
+	usdt3_cookie = bpf_usdt_cookie(ctx);
+	usdt3_arg_cnt = bpf_usdt_arg_cnt(ctx);
+
+	usdt3_arg_rets[0] = bpf_usdt_arg(ctx, 0, &tmp);
+	usdt3_args[0] = (int)tmp;
+
+	usdt3_arg_rets[1] = bpf_usdt_arg(ctx, 1, &tmp);
+	usdt3_args[1] = (long)tmp;
+
+	usdt3_arg_rets[2] = bpf_usdt_arg(ctx, 2, &tmp);
+	usdt3_args[2] = (uintptr_t)tmp;
+
+	return 0;
+}
+
+int usdt12_called;
+u64 usdt12_cookie;
+int usdt12_arg_cnt;
+u64 usdt12_args[12];
+
+SEC("usdt//proc/self/exe:test:usdt12")
+int BPF_USDT(usdt12, int a1, int a2, long a3, long a4, unsigned a5,
+		     long a6, __u64 a7, uintptr_t a8, int a9, short a10,
+		     short a11, signed char a12)
+{
+	if (my_pid != (bpf_get_current_pid_tgid() >> 32))
+		return 0;
+
+	__sync_fetch_and_add(&usdt12_called, 1);
+
+	usdt12_cookie = bpf_usdt_cookie(ctx);
+	usdt12_arg_cnt = bpf_usdt_arg_cnt(ctx);
+
+	usdt12_args[0] = a1;
+	usdt12_args[1] = a2;
+	usdt12_args[2] = a3;
+	usdt12_args[3] = a4;
+	usdt12_args[4] = a5;
+	usdt12_args[5] = a6;
+	usdt12_args[6] = a7;
+	usdt12_args[7] = a8;
+	usdt12_args[8] = a9;
+	usdt12_args[9] = a10;
+	usdt12_args[10] = a11;
+	usdt12_args[11] = a12;
+	return 0;
+}
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/test_usdt_multispec.c b/tools/testing/selftests/bpf/progs/test_usdt_multispec.c
new file mode 100644
index 000000000..aa6de32b5
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_usdt_multispec.c
@@ -0,0 +1,32 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2022 Meta Platforms, Inc. and affiliates. */
+
+#include "vmlinux.h"
+#include <bpf/bpf_helpers.h>
+#include <bpf/usdt.bpf.h>
+
+/* this file is linked together with test_usdt.c to validate that usdt.bpf.h
+ * can be included in multiple .bpf.c files forming single final BPF object
+ * file
+ */
+
+extern int my_pid;
+
+int usdt_100_called;
+int usdt_100_sum;
+
+SEC("usdt//proc/self/exe:test:usdt_100")
+int BPF_USDT(usdt_100, int x)
+{
+	long tmp;
+
+	if (my_pid != (bpf_get_current_pid_tgid() >> 32))
+		return 0;
+
+	__sync_fetch_and_add(&usdt_100_called, 1);
+	__sync_fetch_and_add(&usdt_100_sum, x);
+
+	return 0;
+}
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/test_user_ringbuf.h b/tools/testing/selftests/bpf/progs/test_user_ringbuf.h
new file mode 100644
index 000000000..1643b4d59
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_user_ringbuf.h
@@ -0,0 +1,35 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* Copyright (c) 2022 Meta Platforms, Inc. and affiliates. */
+
+#ifndef _TEST_USER_RINGBUF_H
+#define _TEST_USER_RINGBUF_H
+
+#define TEST_OP_64 4
+#define TEST_OP_32 2
+
+enum test_msg_op {
+	TEST_MSG_OP_INC64,
+	TEST_MSG_OP_INC32,
+	TEST_MSG_OP_MUL64,
+	TEST_MSG_OP_MUL32,
+
+	// Must come last.
+	TEST_MSG_OP_NUM_OPS,
+};
+
+struct test_msg {
+	enum test_msg_op msg_op;
+	union {
+		__s64 operand_64;
+		__s32 operand_32;
+	};
+};
+
+struct sample {
+	int pid;
+	int seq;
+	long value;
+	char comm[16];
+};
+
+#endif /* _TEST_USER_RINGBUF_H */
diff --git a/tools/testing/selftests/bpf/progs/test_varlen.c b/tools/testing/selftests/bpf/progs/test_varlen.c
new file mode 100644
index 000000000..20eb7d422
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_varlen.c
@@ -0,0 +1,163 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2020 Facebook */
+
+#include "vmlinux.h"
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_tracing.h>
+#include <bpf/bpf_core_read.h>
+
+#define MAX_LEN 256
+
+char buf_in1[MAX_LEN] = {};
+char buf_in2[MAX_LEN] = {};
+
+int test_pid = 0;
+bool capture = false;
+
+/* .bss */
+__u64 payload1_len1 = 0;
+__u64 payload1_len2 = 0;
+__u64 total1 = 0;
+char payload1[MAX_LEN + MAX_LEN] = {};
+__u64 ret_bad_read = 0;
+
+/* .data */
+int payload2_len1 = -1;
+int payload2_len2 = -1;
+int total2 = -1;
+char payload2[MAX_LEN + MAX_LEN] = { 1 };
+
+int payload3_len1 = -1;
+int payload3_len2 = -1;
+int total3= -1;
+char payload3[MAX_LEN + MAX_LEN] = { 1 };
+
+int payload4_len1 = -1;
+int payload4_len2 = -1;
+int total4= -1;
+char payload4[MAX_LEN + MAX_LEN] = { 1 };
+
+char payload_bad[5] = { 0x42, 0x42, 0x42, 0x42, 0x42 };
+
+SEC("raw_tp/sys_enter")
+int handler64_unsigned(void *regs)
+{
+	int pid = bpf_get_current_pid_tgid() >> 32;
+	void *payload = payload1;
+	long len;
+
+	/* ignore irrelevant invocations */
+	if (test_pid != pid || !capture)
+		return 0;
+
+	len = bpf_probe_read_kernel_str(payload, MAX_LEN, &buf_in1[0]);
+	if (len >= 0) {
+		payload += len;
+		payload1_len1 = len;
+	}
+
+	len = bpf_probe_read_kernel_str(payload, MAX_LEN, &buf_in2[0]);
+	if (len >= 0) {
+		payload += len;
+		payload1_len2 = len;
+	}
+
+	total1 = payload - (void *)payload1;
+
+	ret_bad_read = bpf_probe_read_kernel_str(payload_bad + 2, 1, (void *) -1);
+
+	return 0;
+}
+
+SEC("raw_tp/sys_exit")
+int handler64_signed(void *regs)
+{
+	int pid = bpf_get_current_pid_tgid() >> 32;
+	void *payload = payload3;
+	long len;
+
+	/* ignore irrelevant invocations */
+	if (test_pid != pid || !capture)
+		return 0;
+
+	len = bpf_probe_read_kernel_str(payload, MAX_LEN, &buf_in1[0]);
+	if (len >= 0) {
+		payload += len;
+		payload3_len1 = len;
+	}
+	len = bpf_probe_read_kernel_str(payload, MAX_LEN, &buf_in2[0]);
+	if (len >= 0) {
+		payload += len;
+		payload3_len2 = len;
+	}
+	total3 = payload - (void *)payload3;
+
+	return 0;
+}
+
+SEC("tp/raw_syscalls/sys_enter")
+int handler32_unsigned(void *regs)
+{
+	int pid = bpf_get_current_pid_tgid() >> 32;
+	void *payload = payload2;
+	u32 len;
+
+	/* ignore irrelevant invocations */
+	if (test_pid != pid || !capture)
+		return 0;
+
+	len = bpf_probe_read_kernel_str(payload, MAX_LEN, &buf_in1[0]);
+	if (len <= MAX_LEN) {
+		payload += len;
+		payload2_len1 = len;
+	}
+
+	len = bpf_probe_read_kernel_str(payload, MAX_LEN, &buf_in2[0]);
+	if (len <= MAX_LEN) {
+		payload += len;
+		payload2_len2 = len;
+	}
+
+	total2 = payload - (void *)payload2;
+
+	return 0;
+}
+
+SEC("tp/raw_syscalls/sys_exit")
+int handler32_signed(void *regs)
+{
+	int pid = bpf_get_current_pid_tgid() >> 32;
+	void *payload = payload4;
+	long len;
+
+	/* ignore irrelevant invocations */
+	if (test_pid != pid || !capture)
+		return 0;
+
+	len = bpf_probe_read_kernel_str(payload, MAX_LEN, &buf_in1[0]);
+	if (len >= 0) {
+		payload += len;
+		payload4_len1 = len;
+	}
+	len = bpf_probe_read_kernel_str(payload, MAX_LEN, &buf_in2[0]);
+	if (len >= 0) {
+		payload += len;
+		payload4_len2 = len;
+	}
+	total4 = payload - (void *)payload4;
+
+	return 0;
+}
+
+SEC("tp/syscalls/sys_exit_getpid")
+int handler_exit(void *regs)
+{
+	long bla;
+
+	if (bpf_probe_read_kernel(&bla, sizeof(bla), 0))
+		return 1;
+	else
+		return 0;
+}
+
+char LICENSE[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/test_verif_scale1.c b/tools/testing/selftests/bpf/progs/test_verif_scale1.c
new file mode 100644
index 000000000..ac6135d93
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_verif_scale1.c
@@ -0,0 +1,30 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (c) 2019 Facebook
+#include <linux/bpf.h>
+#include <bpf/bpf_helpers.h>
+#define ATTR __attribute__((noinline))
+#include "test_jhash.h"
+
+SEC("tc")
+int balancer_ingress(struct __sk_buff *ctx)
+{
+	void *data_end = (void *)(long)ctx->data_end;
+	void *data = (void *)(long)ctx->data;
+	void *ptr;
+	int ret = 0, nh_off, i = 0;
+
+	nh_off = 14;
+
+	/* pragma unroll doesn't work on large loops */
+
+#define C do { \
+	ptr = data + i; \
+	if (ptr + nh_off > data_end) \
+		break; \
+	ctx->tc_index = jhash(ptr, nh_off, ctx->cb[0] + i++); \
+	} while (0);
+#define C30 C;C;C;C;C;C;C;C;C;C;C;C;C;C;C;C;C;C;C;C;C;C;C;C;C;C;C;C;C;C;
+	C30;C30;C30; /* 90 calls */
+	return 0;
+}
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/test_verif_scale2.c b/tools/testing/selftests/bpf/progs/test_verif_scale2.c
new file mode 100644
index 000000000..f90ffcafd
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_verif_scale2.c
@@ -0,0 +1,30 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (c) 2019 Facebook
+#include "vmlinux.h"
+#include <bpf/bpf_helpers.h>
+#define ATTR __always_inline
+#include "test_jhash.h"
+
+SEC("tc")
+int balancer_ingress(struct __sk_buff *ctx)
+{
+	void *data_end = (void *)(long)ctx->data_end;
+	void *data = (void *)(long)ctx->data;
+	void *ptr;
+	int ret = 0, nh_off, i = 0;
+
+	nh_off = 14;
+
+	/* pragma unroll doesn't work on large loops */
+
+#define C do { \
+	ptr = data + i; \
+	if (ptr + nh_off > data_end) \
+		break; \
+	ctx->tc_index = jhash(ptr, nh_off, ctx->cb[0] + i++); \
+	} while (0);
+#define C30 C;C;C;C;C;C;C;C;C;C;C;C;C;C;C;C;C;C;C;C;C;C;C;C;C;C;C;C;C;C;
+	C30;C30;C30; /* 90 calls */
+	return 0;
+}
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/test_verif_scale3.c b/tools/testing/selftests/bpf/progs/test_verif_scale3.c
new file mode 100644
index 000000000..ca33a9b71
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_verif_scale3.c
@@ -0,0 +1,30 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (c) 2019 Facebook
+#include <linux/bpf.h>
+#include <bpf/bpf_helpers.h>
+#define ATTR __attribute__((noinline))
+#include "test_jhash.h"
+
+SEC("tc")
+int balancer_ingress(struct __sk_buff *ctx)
+{
+	void *data_end = (void *)(long)ctx->data_end;
+	void *data = (void *)(long)ctx->data;
+	void *ptr;
+	int ret = 0, nh_off, i = 0;
+
+	nh_off = 32;
+
+	/* pragma unroll doesn't work on large loops */
+
+#define C do { \
+	ptr = data + i; \
+	if (ptr + nh_off > data_end) \
+		break; \
+	ctx->tc_index = jhash(ptr, nh_off, ctx->cb[0] + i++); \
+	} while (0);
+#define C30 C;C;C;C;C;C;C;C;C;C;C;C;C;C;C;C;C;C;C;C;C;C;C;C;C;C;C;C;C;C;
+	C30;C30;C30; /* 90 calls */
+	return 0;
+}
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/test_verify_pkcs7_sig.c b/tools/testing/selftests/bpf/progs/test_verify_pkcs7_sig.c
new file mode 100644
index 000000000..ce419304f
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_verify_pkcs7_sig.c
@@ -0,0 +1,90 @@
+// SPDX-License-Identifier: GPL-2.0
+
+/*
+ * Copyright (C) 2022 Huawei Technologies Duesseldorf GmbH
+ *
+ * Author: Roberto Sassu <roberto.sassu@huawei.com>
+ */
+
+#include "vmlinux.h"
+#include <errno.h>
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_tracing.h>
+
+#define MAX_DATA_SIZE (1024 * 1024)
+#define MAX_SIG_SIZE 1024
+
+extern struct bpf_key *bpf_lookup_user_key(__u32 serial, __u64 flags) __ksym;
+extern struct bpf_key *bpf_lookup_system_key(__u64 id) __ksym;
+extern void bpf_key_put(struct bpf_key *key) __ksym;
+extern int bpf_verify_pkcs7_signature(struct bpf_dynptr *data_ptr,
+				      struct bpf_dynptr *sig_ptr,
+				      struct bpf_key *trusted_keyring) __ksym;
+
+__u32 monitored_pid;
+__u32 user_keyring_serial;
+__u64 system_keyring_id;
+
+struct data {
+	__u8 data[MAX_DATA_SIZE];
+	__u32 data_len;
+	__u8 sig[MAX_SIG_SIZE];
+	__u32 sig_len;
+};
+
+struct {
+	__uint(type, BPF_MAP_TYPE_ARRAY);
+	__uint(max_entries, 1);
+	__type(key, __u32);
+	__type(value, struct data);
+} data_input SEC(".maps");
+
+char _license[] SEC("license") = "GPL";
+
+SEC("lsm.s/bpf")
+int BPF_PROG(bpf, int cmd, union bpf_attr *attr, unsigned int size)
+{
+	struct bpf_dynptr data_ptr, sig_ptr;
+	struct data *data_val;
+	struct bpf_key *trusted_keyring;
+	__u32 pid;
+	__u64 value;
+	int ret, zero = 0;
+
+	pid = bpf_get_current_pid_tgid() >> 32;
+	if (pid != monitored_pid)
+		return 0;
+
+	data_val = bpf_map_lookup_elem(&data_input, &zero);
+	if (!data_val)
+		return 0;
+
+	bpf_probe_read(&value, sizeof(value), &attr->value);
+
+	bpf_copy_from_user(data_val, sizeof(struct data),
+			   (void *)(unsigned long)value);
+
+	if (data_val->data_len > sizeof(data_val->data))
+		return -EINVAL;
+
+	bpf_dynptr_from_mem(data_val->data, data_val->data_len, 0, &data_ptr);
+
+	if (data_val->sig_len > sizeof(data_val->sig))
+		return -EINVAL;
+
+	bpf_dynptr_from_mem(data_val->sig, data_val->sig_len, 0, &sig_ptr);
+
+	if (user_keyring_serial)
+		trusted_keyring = bpf_lookup_user_key(user_keyring_serial, 0);
+	else
+		trusted_keyring = bpf_lookup_system_key(system_keyring_id);
+
+	if (!trusted_keyring)
+		return -ENOENT;
+
+	ret = bpf_verify_pkcs7_signature(&data_ptr, &sig_ptr, trusted_keyring);
+
+	bpf_key_put(trusted_keyring);
+
+	return ret;
+}
diff --git a/tools/testing/selftests/bpf/progs/test_vmlinux.c b/tools/testing/selftests/bpf/progs/test_vmlinux.c
new file mode 100644
index 000000000..e9dfa0313
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_vmlinux.c
@@ -0,0 +1,90 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2020 Facebook */
+
+#include "vmlinux.h"
+#include <asm/unistd.h>
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_tracing.h>
+#include <bpf/bpf_core_read.h>
+
+#define MY_TV_NSEC 1337
+
+bool tp_called = false;
+bool raw_tp_called = false;
+bool tp_btf_called = false;
+bool kprobe_called = false;
+bool fentry_called = false;
+
+SEC("tp/syscalls/sys_enter_nanosleep")
+int handle__tp(struct trace_event_raw_sys_enter *args)
+{
+	struct __kernel_timespec *ts;
+	long tv_nsec;
+
+	if (args->id != __NR_nanosleep)
+		return 0;
+
+	ts = (void *)args->args[0];
+	if (bpf_probe_read_user(&tv_nsec, sizeof(ts->tv_nsec), &ts->tv_nsec) ||
+	    tv_nsec != MY_TV_NSEC)
+		return 0;
+
+	tp_called = true;
+	return 0;
+}
+
+SEC("raw_tp/sys_enter")
+int BPF_PROG(handle__raw_tp, struct pt_regs *regs, long id)
+{
+	struct __kernel_timespec *ts;
+	long tv_nsec;
+
+	if (id != __NR_nanosleep)
+		return 0;
+
+	ts = (void *)PT_REGS_PARM1_CORE(regs);
+	if (bpf_probe_read_user(&tv_nsec, sizeof(ts->tv_nsec), &ts->tv_nsec) ||
+	    tv_nsec != MY_TV_NSEC)
+		return 0;
+
+	raw_tp_called = true;
+	return 0;
+}
+
+SEC("tp_btf/sys_enter")
+int BPF_PROG(handle__tp_btf, struct pt_regs *regs, long id)
+{
+	struct __kernel_timespec *ts;
+	long tv_nsec;
+
+	if (id != __NR_nanosleep)
+		return 0;
+
+	ts = (void *)PT_REGS_PARM1_CORE(regs);
+	if (bpf_probe_read_user(&tv_nsec, sizeof(ts->tv_nsec), &ts->tv_nsec) ||
+	    tv_nsec != MY_TV_NSEC)
+		return 0;
+
+	tp_btf_called = true;
+	return 0;
+}
+
+SEC("kprobe/hrtimer_start_range_ns")
+int BPF_KPROBE(handle__kprobe, struct hrtimer *timer, ktime_t tim, u64 delta_ns,
+	       const enum hrtimer_mode mode)
+{
+	if (tim == MY_TV_NSEC)
+		kprobe_called = true;
+	return 0;
+}
+
+SEC("fentry/hrtimer_start_range_ns")
+int BPF_PROG(handle__fentry, struct hrtimer *timer, ktime_t tim, u64 delta_ns,
+	     const enum hrtimer_mode mode)
+{
+	if (tim == MY_TV_NSEC)
+		fentry_called = true;
+	return 0;
+}
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/test_xdp.c b/tools/testing/selftests/bpf/progs/test_xdp.c
new file mode 100644
index 000000000..d7a9a74b7
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_xdp.c
@@ -0,0 +1,233 @@
+/* Copyright (c) 2016,2017 Facebook
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of version 2 of the GNU General Public
+ * License as published by the Free Software Foundation.
+ */
+#include <stddef.h>
+#include <string.h>
+#include <linux/bpf.h>
+#include <linux/if_ether.h>
+#include <linux/if_packet.h>
+#include <linux/ip.h>
+#include <linux/ipv6.h>
+#include <linux/in.h>
+#include <linux/udp.h>
+#include <linux/tcp.h>
+#include <linux/pkt_cls.h>
+#include <sys/socket.h>
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_endian.h>
+#include "test_iptunnel_common.h"
+
+struct {
+	__uint(type, BPF_MAP_TYPE_PERCPU_ARRAY);
+	__uint(max_entries, 256);
+	__type(key, __u32);
+	__type(value, __u64);
+} rxcnt SEC(".maps");
+
+struct {
+	__uint(type, BPF_MAP_TYPE_HASH);
+	__uint(max_entries, MAX_IPTNL_ENTRIES);
+	__type(key, struct vip);
+	__type(value, struct iptnl_info);
+} vip2tnl SEC(".maps");
+
+static __always_inline void count_tx(__u32 protocol)
+{
+	__u64 *rxcnt_count;
+
+	rxcnt_count = bpf_map_lookup_elem(&rxcnt, &protocol);
+	if (rxcnt_count)
+		*rxcnt_count += 1;
+}
+
+static __always_inline int get_dport(void *trans_data, void *data_end,
+				     __u8 protocol)
+{
+	struct tcphdr *th;
+	struct udphdr *uh;
+
+	switch (protocol) {
+	case IPPROTO_TCP:
+		th = (struct tcphdr *)trans_data;
+		if (th + 1 > data_end)
+			return -1;
+		return th->dest;
+	case IPPROTO_UDP:
+		uh = (struct udphdr *)trans_data;
+		if (uh + 1 > data_end)
+			return -1;
+		return uh->dest;
+	default:
+		return 0;
+	}
+}
+
+static __always_inline void set_ethhdr(struct ethhdr *new_eth,
+				       const struct ethhdr *old_eth,
+				       const struct iptnl_info *tnl,
+				       __be16 h_proto)
+{
+	memcpy(new_eth->h_source, old_eth->h_dest, sizeof(new_eth->h_source));
+	memcpy(new_eth->h_dest, tnl->dmac, sizeof(new_eth->h_dest));
+	new_eth->h_proto = h_proto;
+}
+
+static __always_inline int handle_ipv4(struct xdp_md *xdp)
+{
+	void *data_end = (void *)(long)xdp->data_end;
+	void *data = (void *)(long)xdp->data;
+	struct iptnl_info *tnl;
+	struct ethhdr *new_eth;
+	struct ethhdr *old_eth;
+	struct iphdr *iph = data + sizeof(struct ethhdr);
+	__u16 *next_iph;
+	__u16 payload_len;
+	struct vip vip = {};
+	int dport;
+	__u32 csum = 0;
+	int i;
+
+	if (iph + 1 > data_end)
+		return XDP_DROP;
+
+	dport = get_dport(iph + 1, data_end, iph->protocol);
+	if (dport == -1)
+		return XDP_DROP;
+
+	vip.protocol = iph->protocol;
+	vip.family = AF_INET;
+	vip.daddr.v4 = iph->daddr;
+	vip.dport = dport;
+	payload_len = bpf_ntohs(iph->tot_len);
+
+	tnl = bpf_map_lookup_elem(&vip2tnl, &vip);
+	/* It only does v4-in-v4 */
+	if (!tnl || tnl->family != AF_INET)
+		return XDP_PASS;
+
+	if (bpf_xdp_adjust_head(xdp, 0 - (int)sizeof(struct iphdr)))
+		return XDP_DROP;
+
+	data = (void *)(long)xdp->data;
+	data_end = (void *)(long)xdp->data_end;
+
+	new_eth = data;
+	iph = data + sizeof(*new_eth);
+	old_eth = data + sizeof(*iph);
+
+	if (new_eth + 1 > data_end ||
+	    old_eth + 1 > data_end ||
+	    iph + 1 > data_end)
+		return XDP_DROP;
+
+	set_ethhdr(new_eth, old_eth, tnl, bpf_htons(ETH_P_IP));
+
+	iph->version = 4;
+	iph->ihl = sizeof(*iph) >> 2;
+	iph->frag_off =	0;
+	iph->protocol = IPPROTO_IPIP;
+	iph->check = 0;
+	iph->tos = 0;
+	iph->tot_len = bpf_htons(payload_len + sizeof(*iph));
+	iph->daddr = tnl->daddr.v4;
+	iph->saddr = tnl->saddr.v4;
+	iph->ttl = 8;
+
+	next_iph = (__u16 *)iph;
+#pragma clang loop unroll(full)
+	for (i = 0; i < sizeof(*iph) >> 1; i++)
+		csum += *next_iph++;
+
+	iph->check = ~((csum & 0xffff) + (csum >> 16));
+
+	count_tx(vip.protocol);
+
+	return XDP_TX;
+}
+
+static __always_inline int handle_ipv6(struct xdp_md *xdp)
+{
+	void *data_end = (void *)(long)xdp->data_end;
+	void *data = (void *)(long)xdp->data;
+	struct iptnl_info *tnl;
+	struct ethhdr *new_eth;
+	struct ethhdr *old_eth;
+	struct ipv6hdr *ip6h = data + sizeof(struct ethhdr);
+	__u16 payload_len;
+	struct vip vip = {};
+	int dport;
+
+	if (ip6h + 1 > data_end)
+		return XDP_DROP;
+
+	dport = get_dport(ip6h + 1, data_end, ip6h->nexthdr);
+	if (dport == -1)
+		return XDP_DROP;
+
+	vip.protocol = ip6h->nexthdr;
+	vip.family = AF_INET6;
+	memcpy(vip.daddr.v6, ip6h->daddr.s6_addr32, sizeof(vip.daddr));
+	vip.dport = dport;
+	payload_len = ip6h->payload_len;
+
+	tnl = bpf_map_lookup_elem(&vip2tnl, &vip);
+	/* It only does v6-in-v6 */
+	if (!tnl || tnl->family != AF_INET6)
+		return XDP_PASS;
+
+	if (bpf_xdp_adjust_head(xdp, 0 - (int)sizeof(struct ipv6hdr)))
+		return XDP_DROP;
+
+	data = (void *)(long)xdp->data;
+	data_end = (void *)(long)xdp->data_end;
+
+	new_eth = data;
+	ip6h = data + sizeof(*new_eth);
+	old_eth = data + sizeof(*ip6h);
+
+	if (new_eth + 1 > data_end || old_eth + 1 > data_end ||
+	    ip6h + 1 > data_end)
+		return XDP_DROP;
+
+	set_ethhdr(new_eth, old_eth, tnl, bpf_htons(ETH_P_IPV6));
+
+	ip6h->version = 6;
+	ip6h->priority = 0;
+	memset(ip6h->flow_lbl, 0, sizeof(ip6h->flow_lbl));
+	ip6h->payload_len = bpf_htons(bpf_ntohs(payload_len) + sizeof(*ip6h));
+	ip6h->nexthdr = IPPROTO_IPV6;
+	ip6h->hop_limit = 8;
+	memcpy(ip6h->saddr.s6_addr32, tnl->saddr.v6, sizeof(tnl->saddr.v6));
+	memcpy(ip6h->daddr.s6_addr32, tnl->daddr.v6, sizeof(tnl->daddr.v6));
+
+	count_tx(vip.protocol);
+
+	return XDP_TX;
+}
+
+SEC("xdp")
+int _xdp_tx_iptunnel(struct xdp_md *xdp)
+{
+	void *data_end = (void *)(long)xdp->data_end;
+	void *data = (void *)(long)xdp->data;
+	struct ethhdr *eth = data;
+	__u16 h_proto;
+
+	if (eth + 1 > data_end)
+		return XDP_DROP;
+
+	h_proto = eth->h_proto;
+
+	if (h_proto == bpf_htons(ETH_P_IP))
+		return handle_ipv4(xdp);
+	else if (h_proto == bpf_htons(ETH_P_IPV6))
+
+		return handle_ipv6(xdp);
+	else
+		return XDP_DROP;
+}
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/test_xdp_adjust_tail_grow.c b/tools/testing/selftests/bpf/progs/test_xdp_adjust_tail_grow.c
new file mode 100644
index 000000000..53b64c999
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_xdp_adjust_tail_grow.c
@@ -0,0 +1,37 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <linux/bpf.h>
+#include <bpf/bpf_helpers.h>
+
+SEC("xdp")
+int _xdp_adjust_tail_grow(struct xdp_md *xdp)
+{
+	void *data_end = (void *)(long)xdp->data_end;
+	void *data = (void *)(long)xdp->data;
+	int data_len = bpf_xdp_get_buff_len(xdp);
+	int offset = 0;
+
+	/* Data length determine test case */
+
+	if (data_len == 54) { /* sizeof(pkt_v4) */
+		offset = 4096; /* test too large offset */
+	} else if (data_len == 74) { /* sizeof(pkt_v6) */
+		offset = 40;
+	} else if (data_len == 64) {
+		offset = 128;
+	} else if (data_len == 128) {
+		/* Max tail grow 3520 */
+		offset = 4096 - 256 - 320 - data_len;
+	} else if (data_len == 9000) {
+		offset = 10;
+	} else if (data_len == 9001) {
+		offset = 4096;
+	} else {
+		return XDP_ABORTED; /* No matching test */
+	}
+
+	if (bpf_xdp_adjust_tail(xdp, offset))
+		return XDP_DROP;
+	return XDP_TX;
+}
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/test_xdp_adjust_tail_shrink.c b/tools/testing/selftests/bpf/progs/test_xdp_adjust_tail_shrink.c
new file mode 100644
index 000000000..ca68c0383
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_xdp_adjust_tail_shrink.c
@@ -0,0 +1,52 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2018 Facebook
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of version 2 of the GNU General Public
+ * License as published by the Free Software Foundation.
+ */
+#include <linux/bpf.h>
+#include <linux/if_ether.h>
+#include <bpf/bpf_helpers.h>
+
+SEC("xdp")
+int _xdp_adjust_tail_shrink(struct xdp_md *xdp)
+{
+	__u8 *data_end = (void *)(long)xdp->data_end;
+	__u8 *data = (void *)(long)xdp->data;
+	int offset = 0;
+
+	switch (bpf_xdp_get_buff_len(xdp)) {
+	case 54:
+		/* sizeof(pkt_v4) */
+		offset = 256; /* shrink too much */
+		break;
+	case 9000:
+		/* non-linear buff test cases */
+		if (data + 1 > data_end)
+			return XDP_DROP;
+
+		switch (data[0]) {
+		case 0:
+			offset = 10;
+			break;
+		case 1:
+			offset = 4100;
+			break;
+		case 2:
+			offset = 8200;
+			break;
+		default:
+			return XDP_DROP;
+		}
+		break;
+	default:
+		offset = 20;
+		break;
+	}
+	if (bpf_xdp_adjust_tail(xdp, 0 - offset))
+		return XDP_DROP;
+	return XDP_TX;
+}
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/test_xdp_bpf2bpf.c b/tools/testing/selftests/bpf/progs/test_xdp_bpf2bpf.c
new file mode 100644
index 000000000..3379d303f
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_xdp_bpf2bpf.c
@@ -0,0 +1,68 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <linux/bpf.h>
+#include <bpf/bpf_tracing.h>
+#include <bpf/bpf_helpers.h>
+
+char _license[] SEC("license") = "GPL";
+
+struct net_device {
+	/* Structure does not need to contain all entries,
+	 * as "preserve_access_index" will use BTF to fix this...
+	 */
+	int ifindex;
+} __attribute__((preserve_access_index));
+
+struct xdp_rxq_info {
+	/* Structure does not need to contain all entries,
+	 * as "preserve_access_index" will use BTF to fix this...
+	 */
+	struct net_device *dev;
+	__u32 queue_index;
+} __attribute__((preserve_access_index));
+
+struct xdp_buff {
+	void *data;
+	void *data_end;
+	void *data_meta;
+	void *data_hard_start;
+	unsigned long handle;
+	struct xdp_rxq_info *rxq;
+} __attribute__((preserve_access_index));
+
+struct meta {
+	int ifindex;
+	int pkt_len;
+};
+
+struct {
+	__uint(type, BPF_MAP_TYPE_PERF_EVENT_ARRAY);
+	__type(key, int);
+	__type(value, int);
+} perf_buf_map SEC(".maps");
+
+__u64 test_result_fentry = 0;
+SEC("fentry/FUNC")
+int BPF_PROG(trace_on_entry, struct xdp_buff *xdp)
+{
+	struct meta meta;
+	void *data_end = (void *)(long)xdp->data_end;
+	void *data = (void *)(long)xdp->data;
+
+	meta.ifindex = xdp->rxq->dev->ifindex;
+	meta.pkt_len = bpf_xdp_get_buff_len((struct xdp_md *)xdp);
+	bpf_xdp_output(xdp, &perf_buf_map,
+		       ((__u64) meta.pkt_len << 32) |
+		       BPF_F_CURRENT_CPU,
+		       &meta, sizeof(meta));
+
+	test_result_fentry = xdp->rxq->dev->ifindex;
+	return 0;
+}
+
+__u64 test_result_fexit = 0;
+SEC("fexit/FUNC")
+int BPF_PROG(trace_on_exit, struct xdp_buff *xdp, int ret)
+{
+	test_result_fexit = ret;
+	return 0;
+}
diff --git a/tools/testing/selftests/bpf/progs/test_xdp_context_test_run.c b/tools/testing/selftests/bpf/progs/test_xdp_context_test_run.c
new file mode 100644
index 000000000..d7b88cd05
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_xdp_context_test_run.c
@@ -0,0 +1,20 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <linux/bpf.h>
+#include <bpf/bpf_helpers.h>
+
+SEC("xdp")
+int xdp_context(struct xdp_md *xdp)
+{
+	void *data = (void *)(long)xdp->data;
+	__u32 *metadata = (void *)(long)xdp->data_meta;
+	__u32 ret;
+
+	if (metadata + 1 > data)
+		return XDP_ABORTED;
+	ret = *metadata;
+	if (bpf_xdp_adjust_meta(xdp, 4))
+		return XDP_ABORTED;
+	return ret;
+}
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/test_xdp_devmap_helpers.c b/tools/testing/selftests/bpf/progs/test_xdp_devmap_helpers.c
new file mode 100644
index 000000000..807bf895f
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_xdp_devmap_helpers.c
@@ -0,0 +1,22 @@
+// SPDX-License-Identifier: GPL-2.0
+/* fails to load without expected_attach_type = BPF_XDP_DEVMAP
+ * because of access to egress_ifindex
+ */
+#include <linux/bpf.h>
+#include <bpf/bpf_helpers.h>
+
+SEC("xdp")
+int xdpdm_devlog(struct xdp_md *ctx)
+{
+	char fmt[] = "devmap redirect: dev %u -> dev %u len %u\n";
+	void *data_end = (void *)(long)ctx->data_end;
+	void *data = (void *)(long)ctx->data;
+	unsigned int len = data_end - data;
+
+	bpf_trace_printk(fmt, sizeof(fmt),
+			 ctx->ingress_ifindex, ctx->egress_ifindex, len);
+
+	return XDP_PASS;
+}
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/test_xdp_do_redirect.c b/tools/testing/selftests/bpf/progs/test_xdp_do_redirect.c
new file mode 100644
index 000000000..77a123071
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_xdp_do_redirect.c
@@ -0,0 +1,100 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <vmlinux.h>
+#include <bpf/bpf_helpers.h>
+
+#define ETH_ALEN 6
+#define HDR_SZ (sizeof(struct ethhdr) + sizeof(struct ipv6hdr) + sizeof(struct udphdr))
+const volatile int ifindex_out;
+const volatile int ifindex_in;
+const volatile __u8 expect_dst[ETH_ALEN];
+volatile int pkts_seen_xdp = 0;
+volatile int pkts_seen_zero = 0;
+volatile int pkts_seen_tc = 0;
+volatile int retcode = XDP_REDIRECT;
+
+SEC("xdp")
+int xdp_redirect(struct xdp_md *xdp)
+{
+	__u32 *metadata = (void *)(long)xdp->data_meta;
+	void *data_end = (void *)(long)xdp->data_end;
+	void *data = (void *)(long)xdp->data;
+
+	__u8 *payload = data + HDR_SZ;
+	int ret = retcode;
+
+	if (payload + 1 > data_end)
+		return XDP_ABORTED;
+
+	if (xdp->ingress_ifindex != ifindex_in)
+		return XDP_ABORTED;
+
+	if (metadata + 1 > data)
+		return XDP_ABORTED;
+
+	if (*metadata != 0x42)
+		return XDP_ABORTED;
+
+	if (*payload == 0) {
+		*payload = 0x42;
+		pkts_seen_zero++;
+	}
+
+	if (bpf_xdp_adjust_meta(xdp, 4))
+		return XDP_ABORTED;
+
+	if (retcode > XDP_PASS)
+		retcode--;
+
+	if (ret == XDP_REDIRECT)
+		return bpf_redirect(ifindex_out, 0);
+
+	return ret;
+}
+
+static bool check_pkt(void *data, void *data_end)
+{
+	struct ipv6hdr *iph = data + sizeof(struct ethhdr);
+	__u8 *payload = data + HDR_SZ;
+
+	if (payload + 1 > data_end)
+		return false;
+
+	if (iph->nexthdr != IPPROTO_UDP || *payload != 0x42)
+		return false;
+
+	/* reset the payload so the same packet doesn't get counted twice when
+	 * it cycles back through the kernel path and out the dst veth
+	 */
+	*payload = 0;
+	return true;
+}
+
+SEC("xdp")
+int xdp_count_pkts(struct xdp_md *xdp)
+{
+	void *data = (void *)(long)xdp->data;
+	void *data_end = (void *)(long)xdp->data_end;
+
+	if (check_pkt(data, data_end))
+		pkts_seen_xdp++;
+
+	/* Return XDP_DROP to make sure the data page is recycled, like when it
+	 * exits a physical NIC. Recycled pages will be counted in the
+	 * pkts_seen_zero counter above.
+	 */
+	return XDP_DROP;
+}
+
+SEC("tc")
+int tc_count_pkts(struct __sk_buff *skb)
+{
+	void *data = (void *)(long)skb->data;
+	void *data_end = (void *)(long)skb->data_end;
+
+	if (check_pkt(data, data_end))
+		pkts_seen_tc++;
+
+	return 0;
+}
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/test_xdp_link.c b/tools/testing/selftests/bpf/progs/test_xdp_link.c
new file mode 100644
index 000000000..64ff32eaa
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_xdp_link.c
@@ -0,0 +1,18 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2020 Facebook */
+#include <linux/bpf.h>
+#include <bpf/bpf_helpers.h>
+
+char LICENSE[] SEC("license") = "GPL";
+
+SEC("xdp")
+int xdp_handler(struct xdp_md *xdp)
+{
+	return 0;
+}
+
+SEC("tc")
+int tc_handler(struct __sk_buff *skb)
+{
+	return 0;
+}
diff --git a/tools/testing/selftests/bpf/progs/test_xdp_loop.c b/tools/testing/selftests/bpf/progs/test_xdp_loop.c
new file mode 100644
index 000000000..c98fb4415
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_xdp_loop.c
@@ -0,0 +1,229 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (c) 2019 Facebook
+#include <stddef.h>
+#include <string.h>
+#include <linux/bpf.h>
+#include <linux/if_ether.h>
+#include <linux/if_packet.h>
+#include <linux/ip.h>
+#include <linux/ipv6.h>
+#include <linux/in.h>
+#include <linux/udp.h>
+#include <linux/tcp.h>
+#include <linux/pkt_cls.h>
+#include <sys/socket.h>
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_endian.h>
+#include "test_iptunnel_common.h"
+
+struct {
+	__uint(type, BPF_MAP_TYPE_PERCPU_ARRAY);
+	__uint(max_entries, 256);
+	__type(key, __u32);
+	__type(value, __u64);
+} rxcnt SEC(".maps");
+
+struct {
+	__uint(type, BPF_MAP_TYPE_HASH);
+	__uint(max_entries, MAX_IPTNL_ENTRIES);
+	__type(key, struct vip);
+	__type(value, struct iptnl_info);
+} vip2tnl SEC(".maps");
+
+static __always_inline void count_tx(__u32 protocol)
+{
+	__u64 *rxcnt_count;
+
+	rxcnt_count = bpf_map_lookup_elem(&rxcnt, &protocol);
+	if (rxcnt_count)
+		*rxcnt_count += 1;
+}
+
+static __always_inline int get_dport(void *trans_data, void *data_end,
+				     __u8 protocol)
+{
+	struct tcphdr *th;
+	struct udphdr *uh;
+
+	switch (protocol) {
+	case IPPROTO_TCP:
+		th = (struct tcphdr *)trans_data;
+		if (th + 1 > data_end)
+			return -1;
+		return th->dest;
+	case IPPROTO_UDP:
+		uh = (struct udphdr *)trans_data;
+		if (uh + 1 > data_end)
+			return -1;
+		return uh->dest;
+	default:
+		return 0;
+	}
+}
+
+static __always_inline void set_ethhdr(struct ethhdr *new_eth,
+				       const struct ethhdr *old_eth,
+				       const struct iptnl_info *tnl,
+				       __be16 h_proto)
+{
+	memcpy(new_eth->h_source, old_eth->h_dest, sizeof(new_eth->h_source));
+	memcpy(new_eth->h_dest, tnl->dmac, sizeof(new_eth->h_dest));
+	new_eth->h_proto = h_proto;
+}
+
+static __always_inline int handle_ipv4(struct xdp_md *xdp)
+{
+	void *data_end = (void *)(long)xdp->data_end;
+	void *data = (void *)(long)xdp->data;
+	struct iptnl_info *tnl;
+	struct ethhdr *new_eth;
+	struct ethhdr *old_eth;
+	struct iphdr *iph = data + sizeof(struct ethhdr);
+	__u16 *next_iph;
+	__u16 payload_len;
+	struct vip vip = {};
+	int dport;
+	__u32 csum = 0;
+	int i;
+
+	if (iph + 1 > data_end)
+		return XDP_DROP;
+
+	dport = get_dport(iph + 1, data_end, iph->protocol);
+	if (dport == -1)
+		return XDP_DROP;
+
+	vip.protocol = iph->protocol;
+	vip.family = AF_INET;
+	vip.daddr.v4 = iph->daddr;
+	vip.dport = dport;
+	payload_len = bpf_ntohs(iph->tot_len);
+
+	tnl = bpf_map_lookup_elem(&vip2tnl, &vip);
+	/* It only does v4-in-v4 */
+	if (!tnl || tnl->family != AF_INET)
+		return XDP_PASS;
+
+	if (bpf_xdp_adjust_head(xdp, 0 - (int)sizeof(struct iphdr)))
+		return XDP_DROP;
+
+	data = (void *)(long)xdp->data;
+	data_end = (void *)(long)xdp->data_end;
+
+	new_eth = data;
+	iph = data + sizeof(*new_eth);
+	old_eth = data + sizeof(*iph);
+
+	if (new_eth + 1 > data_end ||
+	    old_eth + 1 > data_end ||
+	    iph + 1 > data_end)
+		return XDP_DROP;
+
+	set_ethhdr(new_eth, old_eth, tnl, bpf_htons(ETH_P_IP));
+
+	iph->version = 4;
+	iph->ihl = sizeof(*iph) >> 2;
+	iph->frag_off =	0;
+	iph->protocol = IPPROTO_IPIP;
+	iph->check = 0;
+	iph->tos = 0;
+	iph->tot_len = bpf_htons(payload_len + sizeof(*iph));
+	iph->daddr = tnl->daddr.v4;
+	iph->saddr = tnl->saddr.v4;
+	iph->ttl = 8;
+
+	next_iph = (__u16 *)iph;
+#pragma clang loop unroll(disable)
+	for (i = 0; i < sizeof(*iph) >> 1; i++)
+		csum += *next_iph++;
+
+	iph->check = ~((csum & 0xffff) + (csum >> 16));
+
+	count_tx(vip.protocol);
+
+	return XDP_TX;
+}
+
+static __always_inline int handle_ipv6(struct xdp_md *xdp)
+{
+	void *data_end = (void *)(long)xdp->data_end;
+	void *data = (void *)(long)xdp->data;
+	struct iptnl_info *tnl;
+	struct ethhdr *new_eth;
+	struct ethhdr *old_eth;
+	struct ipv6hdr *ip6h = data + sizeof(struct ethhdr);
+	__u16 payload_len;
+	struct vip vip = {};
+	int dport;
+
+	if (ip6h + 1 > data_end)
+		return XDP_DROP;
+
+	dport = get_dport(ip6h + 1, data_end, ip6h->nexthdr);
+	if (dport == -1)
+		return XDP_DROP;
+
+	vip.protocol = ip6h->nexthdr;
+	vip.family = AF_INET6;
+	memcpy(vip.daddr.v6, ip6h->daddr.s6_addr32, sizeof(vip.daddr));
+	vip.dport = dport;
+	payload_len = ip6h->payload_len;
+
+	tnl = bpf_map_lookup_elem(&vip2tnl, &vip);
+	/* It only does v6-in-v6 */
+	if (!tnl || tnl->family != AF_INET6)
+		return XDP_PASS;
+
+	if (bpf_xdp_adjust_head(xdp, 0 - (int)sizeof(struct ipv6hdr)))
+		return XDP_DROP;
+
+	data = (void *)(long)xdp->data;
+	data_end = (void *)(long)xdp->data_end;
+
+	new_eth = data;
+	ip6h = data + sizeof(*new_eth);
+	old_eth = data + sizeof(*ip6h);
+
+	if (new_eth + 1 > data_end || old_eth + 1 > data_end ||
+	    ip6h + 1 > data_end)
+		return XDP_DROP;
+
+	set_ethhdr(new_eth, old_eth, tnl, bpf_htons(ETH_P_IPV6));
+
+	ip6h->version = 6;
+	ip6h->priority = 0;
+	memset(ip6h->flow_lbl, 0, sizeof(ip6h->flow_lbl));
+	ip6h->payload_len = bpf_htons(bpf_ntohs(payload_len) + sizeof(*ip6h));
+	ip6h->nexthdr = IPPROTO_IPV6;
+	ip6h->hop_limit = 8;
+	memcpy(ip6h->saddr.s6_addr32, tnl->saddr.v6, sizeof(tnl->saddr.v6));
+	memcpy(ip6h->daddr.s6_addr32, tnl->daddr.v6, sizeof(tnl->daddr.v6));
+
+	count_tx(vip.protocol);
+
+	return XDP_TX;
+}
+
+SEC("xdp")
+int _xdp_tx_iptunnel(struct xdp_md *xdp)
+{
+	void *data_end = (void *)(long)xdp->data_end;
+	void *data = (void *)(long)xdp->data;
+	struct ethhdr *eth = data;
+	__u16 h_proto;
+
+	if (eth + 1 > data_end)
+		return XDP_DROP;
+
+	h_proto = eth->h_proto;
+
+	if (h_proto == bpf_htons(ETH_P_IP))
+		return handle_ipv4(xdp);
+	else if (h_proto == bpf_htons(ETH_P_IPV6))
+
+		return handle_ipv6(xdp);
+	else
+		return XDP_DROP;
+}
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/test_xdp_meta.c b/tools/testing/selftests/bpf/progs/test_xdp_meta.c
new file mode 100644
index 000000000..a7c4a7d49
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_xdp_meta.c
@@ -0,0 +1,53 @@
+#include <linux/bpf.h>
+#include <linux/if_ether.h>
+#include <linux/pkt_cls.h>
+
+#include <bpf/bpf_helpers.h>
+
+#define __round_mask(x, y) ((__typeof__(x))((y) - 1))
+#define round_up(x, y) ((((x) - 1) | __round_mask(x, y)) + 1)
+#define ctx_ptr(ctx, mem) (void *)(unsigned long)ctx->mem
+
+SEC("t")
+int ing_cls(struct __sk_buff *ctx)
+{
+	__u8 *data, *data_meta, *data_end;
+	__u32 diff = 0;
+
+	data_meta = ctx_ptr(ctx, data_meta);
+	data_end  = ctx_ptr(ctx, data_end);
+	data      = ctx_ptr(ctx, data);
+
+	if (data + ETH_ALEN > data_end ||
+	    data_meta + round_up(ETH_ALEN, 4) > data)
+		return TC_ACT_SHOT;
+
+	diff |= ((__u32 *)data_meta)[0] ^ ((__u32 *)data)[0];
+	diff |= ((__u16 *)data_meta)[2] ^ ((__u16 *)data)[2];
+
+	return diff ? TC_ACT_SHOT : TC_ACT_OK;
+}
+
+SEC("x")
+int ing_xdp(struct xdp_md *ctx)
+{
+	__u8 *data, *data_meta, *data_end;
+	int ret;
+
+	ret = bpf_xdp_adjust_meta(ctx, -round_up(ETH_ALEN, 4));
+	if (ret < 0)
+		return XDP_DROP;
+
+	data_meta = ctx_ptr(ctx, data_meta);
+	data_end  = ctx_ptr(ctx, data_end);
+	data      = ctx_ptr(ctx, data);
+
+	if (data + ETH_ALEN > data_end ||
+	    data_meta + round_up(ETH_ALEN, 4) > data)
+		return XDP_DROP;
+
+	__builtin_memcpy(data_meta, data, ETH_ALEN);
+	return XDP_PASS;
+}
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/test_xdp_noinline.c b/tools/testing/selftests/bpf/progs/test_xdp_noinline.c
new file mode 100644
index 000000000..ba48fcb98
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_xdp_noinline.c
@@ -0,0 +1,838 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (c) 2017 Facebook
+#include <stddef.h>
+#include <stdbool.h>
+#include <string.h>
+#include <linux/pkt_cls.h>
+#include <linux/bpf.h>
+#include <linux/in.h>
+#include <linux/if_ether.h>
+#include <linux/ip.h>
+#include <linux/ipv6.h>
+#include <linux/icmp.h>
+#include <linux/icmpv6.h>
+#include <linux/tcp.h>
+#include <linux/udp.h>
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_endian.h>
+
+static __always_inline __u32 rol32(__u32 word, unsigned int shift)
+{
+	return (word << shift) | (word >> ((-shift) & 31));
+}
+
+/* copy paste of jhash from kernel sources to make sure llvm
+ * can compile it into valid sequence of bpf instructions
+ */
+#define __jhash_mix(a, b, c)			\
+{						\
+	a -= c;  a ^= rol32(c, 4);  c += b;	\
+	b -= a;  b ^= rol32(a, 6);  a += c;	\
+	c -= b;  c ^= rol32(b, 8);  b += a;	\
+	a -= c;  a ^= rol32(c, 16); c += b;	\
+	b -= a;  b ^= rol32(a, 19); a += c;	\
+	c -= b;  c ^= rol32(b, 4);  b += a;	\
+}
+
+#define __jhash_final(a, b, c)			\
+{						\
+	c ^= b; c -= rol32(b, 14);		\
+	a ^= c; a -= rol32(c, 11);		\
+	b ^= a; b -= rol32(a, 25);		\
+	c ^= b; c -= rol32(b, 16);		\
+	a ^= c; a -= rol32(c, 4);		\
+	b ^= a; b -= rol32(a, 14);		\
+	c ^= b; c -= rol32(b, 24);		\
+}
+
+#define JHASH_INITVAL		0xdeadbeef
+
+typedef unsigned int u32;
+
+static __noinline
+u32 jhash(const void *key, u32 length, u32 initval)
+{
+	u32 a, b, c;
+	const unsigned char *k = key;
+
+	a = b = c = JHASH_INITVAL + length + initval;
+
+	while (length > 12) {
+		a += *(u32 *)(k);
+		b += *(u32 *)(k + 4);
+		c += *(u32 *)(k + 8);
+		__jhash_mix(a, b, c);
+		length -= 12;
+		k += 12;
+	}
+	switch (length) {
+	case 12: c += (u32)k[11]<<24;
+	case 11: c += (u32)k[10]<<16;
+	case 10: c += (u32)k[9]<<8;
+	case 9:  c += k[8];
+	case 8:  b += (u32)k[7]<<24;
+	case 7:  b += (u32)k[6]<<16;
+	case 6:  b += (u32)k[5]<<8;
+	case 5:  b += k[4];
+	case 4:  a += (u32)k[3]<<24;
+	case 3:  a += (u32)k[2]<<16;
+	case 2:  a += (u32)k[1]<<8;
+	case 1:  a += k[0];
+		 __jhash_final(a, b, c);
+	case 0: /* Nothing left to add */
+		break;
+	}
+
+	return c;
+}
+
+__noinline
+u32 __jhash_nwords(u32 a, u32 b, u32 c, u32 initval)
+{
+	a += initval;
+	b += initval;
+	c += initval;
+	__jhash_final(a, b, c);
+	return c;
+}
+
+__noinline
+u32 jhash_2words(u32 a, u32 b, u32 initval)
+{
+	return __jhash_nwords(a, b, 0, initval + JHASH_INITVAL + (2 << 2));
+}
+
+struct flow_key {
+	union {
+		__be32 src;
+		__be32 srcv6[4];
+	};
+	union {
+		__be32 dst;
+		__be32 dstv6[4];
+	};
+	union {
+		__u32 ports;
+		__u16 port16[2];
+	};
+	__u8 proto;
+};
+
+struct packet_description {
+	struct flow_key flow;
+	__u8 flags;
+};
+
+struct ctl_value {
+	union {
+		__u64 value;
+		__u32 ifindex;
+		__u8 mac[6];
+	};
+};
+
+struct vip_definition {
+	union {
+		__be32 vip;
+		__be32 vipv6[4];
+	};
+	__u16 port;
+	__u16 family;
+	__u8 proto;
+};
+
+struct vip_meta {
+	__u32 flags;
+	__u32 vip_num;
+};
+
+struct real_pos_lru {
+	__u32 pos;
+	__u64 atime;
+};
+
+struct real_definition {
+	union {
+		__be32 dst;
+		__be32 dstv6[4];
+	};
+	__u8 flags;
+};
+
+struct lb_stats {
+	__u64 v2;
+	__u64 v1;
+};
+
+struct {
+	__uint(type, BPF_MAP_TYPE_HASH);
+	__uint(max_entries, 512);
+	__type(key, struct vip_definition);
+	__type(value, struct vip_meta);
+} vip_map SEC(".maps");
+
+struct {
+	__uint(type, BPF_MAP_TYPE_LRU_HASH);
+	__uint(max_entries, 300);
+	__uint(map_flags, 1U << 1);
+	__type(key, struct flow_key);
+	__type(value, struct real_pos_lru);
+} lru_cache SEC(".maps");
+
+struct {
+	__uint(type, BPF_MAP_TYPE_ARRAY);
+	__uint(max_entries, 12 * 655);
+	__type(key, __u32);
+	__type(value, __u32);
+} ch_rings SEC(".maps");
+
+struct {
+	__uint(type, BPF_MAP_TYPE_ARRAY);
+	__uint(max_entries, 40);
+	__type(key, __u32);
+	__type(value, struct real_definition);
+} reals SEC(".maps");
+
+struct {
+	__uint(type, BPF_MAP_TYPE_PERCPU_ARRAY);
+	__uint(max_entries, 515);
+	__type(key, __u32);
+	__type(value, struct lb_stats);
+} stats SEC(".maps");
+
+struct {
+	__uint(type, BPF_MAP_TYPE_ARRAY);
+	__uint(max_entries, 16);
+	__type(key, __u32);
+	__type(value, struct ctl_value);
+} ctl_array SEC(".maps");
+
+struct eth_hdr {
+	unsigned char eth_dest[6];
+	unsigned char eth_source[6];
+	unsigned short eth_proto;
+};
+
+static __noinline __u64 calc_offset(bool is_ipv6, bool is_icmp)
+{
+	__u64 off = sizeof(struct eth_hdr);
+	if (is_ipv6) {
+		off += sizeof(struct ipv6hdr);
+		if (is_icmp)
+			off += sizeof(struct icmp6hdr) + sizeof(struct ipv6hdr);
+	} else {
+		off += sizeof(struct iphdr);
+		if (is_icmp)
+			off += sizeof(struct icmphdr) + sizeof(struct iphdr);
+	}
+	return off;
+}
+
+static __attribute__ ((noinline))
+bool parse_udp(void *data, void *data_end,
+	       bool is_ipv6, struct packet_description *pckt)
+{
+
+	bool is_icmp = !((pckt->flags & (1 << 0)) == 0);
+	__u64 off = calc_offset(is_ipv6, is_icmp);
+	struct udphdr *udp;
+	udp = data + off;
+
+	if (udp + 1 > data_end)
+		return false;
+	if (!is_icmp) {
+		pckt->flow.port16[0] = udp->source;
+		pckt->flow.port16[1] = udp->dest;
+	} else {
+		pckt->flow.port16[0] = udp->dest;
+		pckt->flow.port16[1] = udp->source;
+	}
+	return true;
+}
+
+static __attribute__ ((noinline))
+bool parse_tcp(void *data, void *data_end,
+	       bool is_ipv6, struct packet_description *pckt)
+{
+
+	bool is_icmp = !((pckt->flags & (1 << 0)) == 0);
+	__u64 off = calc_offset(is_ipv6, is_icmp);
+	struct tcphdr *tcp;
+
+	tcp = data + off;
+	if (tcp + 1 > data_end)
+		return false;
+	if (tcp->syn)
+		pckt->flags |= (1 << 1);
+	if (!is_icmp) {
+		pckt->flow.port16[0] = tcp->source;
+		pckt->flow.port16[1] = tcp->dest;
+	} else {
+		pckt->flow.port16[0] = tcp->dest;
+		pckt->flow.port16[1] = tcp->source;
+	}
+	return true;
+}
+
+static __attribute__ ((noinline))
+bool encap_v6(struct xdp_md *xdp, struct ctl_value *cval,
+	      struct packet_description *pckt,
+	      struct real_definition *dst, __u32 pkt_bytes)
+{
+	struct eth_hdr *new_eth;
+	struct eth_hdr *old_eth;
+	struct ipv6hdr *ip6h;
+	__u32 ip_suffix;
+	void *data_end;
+	void *data;
+
+	if (bpf_xdp_adjust_head(xdp, 0 - (int)sizeof(struct ipv6hdr)))
+		return false;
+	data = (void *)(long)xdp->data;
+	data_end = (void *)(long)xdp->data_end;
+	new_eth = data;
+	ip6h = data + sizeof(struct eth_hdr);
+	old_eth = data + sizeof(struct ipv6hdr);
+	if (new_eth + 1 > data_end ||
+	    old_eth + 1 > data_end || ip6h + 1 > data_end)
+		return false;
+	memcpy(new_eth->eth_dest, cval->mac, 6);
+	memcpy(new_eth->eth_source, old_eth->eth_dest, 6);
+	new_eth->eth_proto = 56710;
+	ip6h->version = 6;
+	ip6h->priority = 0;
+	memset(ip6h->flow_lbl, 0, sizeof(ip6h->flow_lbl));
+
+	ip6h->nexthdr = IPPROTO_IPV6;
+	ip_suffix = pckt->flow.srcv6[3] ^ pckt->flow.port16[0];
+	ip6h->payload_len =
+	    bpf_htons(pkt_bytes + sizeof(struct ipv6hdr));
+	ip6h->hop_limit = 4;
+
+	ip6h->saddr.in6_u.u6_addr32[0] = 1;
+	ip6h->saddr.in6_u.u6_addr32[1] = 2;
+	ip6h->saddr.in6_u.u6_addr32[2] = 3;
+	ip6h->saddr.in6_u.u6_addr32[3] = ip_suffix;
+	memcpy(ip6h->daddr.in6_u.u6_addr32, dst->dstv6, 16);
+	return true;
+}
+
+static __attribute__ ((noinline))
+bool encap_v4(struct xdp_md *xdp, struct ctl_value *cval,
+	      struct packet_description *pckt,
+	      struct real_definition *dst, __u32 pkt_bytes)
+{
+
+	__u32 ip_suffix = bpf_ntohs(pckt->flow.port16[0]);
+	struct eth_hdr *new_eth;
+	struct eth_hdr *old_eth;
+	__u16 *next_iph_u16;
+	struct iphdr *iph;
+	__u32 csum = 0;
+	void *data_end;
+	void *data;
+
+	ip_suffix <<= 15;
+	ip_suffix ^= pckt->flow.src;
+	if (bpf_xdp_adjust_head(xdp, 0 - (int)sizeof(struct iphdr)))
+		return false;
+	data = (void *)(long)xdp->data;
+	data_end = (void *)(long)xdp->data_end;
+	new_eth = data;
+	iph = data + sizeof(struct eth_hdr);
+	old_eth = data + sizeof(struct iphdr);
+	if (new_eth + 1 > data_end ||
+	    old_eth + 1 > data_end || iph + 1 > data_end)
+		return false;
+	memcpy(new_eth->eth_dest, cval->mac, 6);
+	memcpy(new_eth->eth_source, old_eth->eth_dest, 6);
+	new_eth->eth_proto = 8;
+	iph->version = 4;
+	iph->ihl = 5;
+	iph->frag_off = 0;
+	iph->protocol = IPPROTO_IPIP;
+	iph->check = 0;
+	iph->tos = 1;
+	iph->tot_len = bpf_htons(pkt_bytes + sizeof(struct iphdr));
+	/* don't update iph->daddr, since it will overwrite old eth_proto
+	 * and multiple iterations of bpf_prog_run() will fail
+	 */
+
+	iph->saddr = ((0xFFFF0000 & ip_suffix) | 4268) ^ dst->dst;
+	iph->ttl = 4;
+
+	next_iph_u16 = (__u16 *) iph;
+#pragma clang loop unroll(full)
+	for (int i = 0; i < sizeof(struct iphdr) >> 1; i++)
+		csum += *next_iph_u16++;
+	iph->check = ~((csum & 0xffff) + (csum >> 16));
+	if (bpf_xdp_adjust_head(xdp, (int)sizeof(struct iphdr)))
+		return false;
+	return true;
+}
+
+static __attribute__ ((noinline))
+bool decap_v6(struct xdp_md *xdp, void **data, void **data_end, bool inner_v4)
+{
+	struct eth_hdr *new_eth;
+	struct eth_hdr *old_eth;
+
+	old_eth = *data;
+	new_eth = *data + sizeof(struct ipv6hdr);
+	memcpy(new_eth->eth_source, old_eth->eth_source, 6);
+	memcpy(new_eth->eth_dest, old_eth->eth_dest, 6);
+	if (inner_v4)
+		new_eth->eth_proto = 8;
+	else
+		new_eth->eth_proto = 56710;
+	if (bpf_xdp_adjust_head(xdp, (int)sizeof(struct ipv6hdr)))
+		return false;
+	*data = (void *)(long)xdp->data;
+	*data_end = (void *)(long)xdp->data_end;
+	return true;
+}
+
+static __attribute__ ((noinline))
+bool decap_v4(struct xdp_md *xdp, void **data, void **data_end)
+{
+	struct eth_hdr *new_eth;
+	struct eth_hdr *old_eth;
+
+	old_eth = *data;
+	new_eth = *data + sizeof(struct iphdr);
+	memcpy(new_eth->eth_source, old_eth->eth_source, 6);
+	memcpy(new_eth->eth_dest, old_eth->eth_dest, 6);
+	new_eth->eth_proto = 8;
+	if (bpf_xdp_adjust_head(xdp, (int)sizeof(struct iphdr)))
+		return false;
+	*data = (void *)(long)xdp->data;
+	*data_end = (void *)(long)xdp->data_end;
+	return true;
+}
+
+static __attribute__ ((noinline))
+int swap_mac_and_send(void *data, void *data_end)
+{
+	unsigned char tmp_mac[6];
+	struct eth_hdr *eth;
+
+	eth = data;
+	memcpy(tmp_mac, eth->eth_source, 6);
+	memcpy(eth->eth_source, eth->eth_dest, 6);
+	memcpy(eth->eth_dest, tmp_mac, 6);
+	return XDP_TX;
+}
+
+static __attribute__ ((noinline))
+int send_icmp_reply(void *data, void *data_end)
+{
+	struct icmphdr *icmp_hdr;
+	__u16 *next_iph_u16;
+	__u32 tmp_addr = 0;
+	struct iphdr *iph;
+	__u32 csum1 = 0;
+	__u32 csum = 0;
+	__u64 off = 0;
+
+	if (data + sizeof(struct eth_hdr)
+	     + sizeof(struct iphdr) + sizeof(struct icmphdr) > data_end)
+		return XDP_DROP;
+	off += sizeof(struct eth_hdr);
+	iph = data + off;
+	off += sizeof(struct iphdr);
+	icmp_hdr = data + off;
+	icmp_hdr->type = 0;
+	icmp_hdr->checksum += 0x0007;
+	iph->ttl = 4;
+	tmp_addr = iph->daddr;
+	iph->daddr = iph->saddr;
+	iph->saddr = tmp_addr;
+	iph->check = 0;
+	next_iph_u16 = (__u16 *) iph;
+#pragma clang loop unroll(full)
+	for (int i = 0; i < sizeof(struct iphdr) >> 1; i++)
+		csum += *next_iph_u16++;
+	iph->check = ~((csum & 0xffff) + (csum >> 16));
+	return swap_mac_and_send(data, data_end);
+}
+
+static __attribute__ ((noinline))
+int send_icmp6_reply(void *data, void *data_end)
+{
+	struct icmp6hdr *icmp_hdr;
+	struct ipv6hdr *ip6h;
+	__be32 tmp_addr[4];
+	__u64 off = 0;
+
+	if (data + sizeof(struct eth_hdr)
+	     + sizeof(struct ipv6hdr) + sizeof(struct icmp6hdr) > data_end)
+		return XDP_DROP;
+	off += sizeof(struct eth_hdr);
+	ip6h = data + off;
+	off += sizeof(struct ipv6hdr);
+	icmp_hdr = data + off;
+	icmp_hdr->icmp6_type = 129;
+	icmp_hdr->icmp6_cksum -= 0x0001;
+	ip6h->hop_limit = 4;
+	memcpy(tmp_addr, ip6h->saddr.in6_u.u6_addr32, 16);
+	memcpy(ip6h->saddr.in6_u.u6_addr32, ip6h->daddr.in6_u.u6_addr32, 16);
+	memcpy(ip6h->daddr.in6_u.u6_addr32, tmp_addr, 16);
+	return swap_mac_and_send(data, data_end);
+}
+
+static __attribute__ ((noinline))
+int parse_icmpv6(void *data, void *data_end, __u64 off,
+		 struct packet_description *pckt)
+{
+	struct icmp6hdr *icmp_hdr;
+	struct ipv6hdr *ip6h;
+
+	icmp_hdr = data + off;
+	if (icmp_hdr + 1 > data_end)
+		return XDP_DROP;
+	if (icmp_hdr->icmp6_type == 128)
+		return send_icmp6_reply(data, data_end);
+	if (icmp_hdr->icmp6_type != 3)
+		return XDP_PASS;
+	off += sizeof(struct icmp6hdr);
+	ip6h = data + off;
+	if (ip6h + 1 > data_end)
+		return XDP_DROP;
+	pckt->flow.proto = ip6h->nexthdr;
+	pckt->flags |= (1 << 0);
+	memcpy(pckt->flow.srcv6, ip6h->daddr.in6_u.u6_addr32, 16);
+	memcpy(pckt->flow.dstv6, ip6h->saddr.in6_u.u6_addr32, 16);
+	return -1;
+}
+
+static __attribute__ ((noinline))
+int parse_icmp(void *data, void *data_end, __u64 off,
+	       struct packet_description *pckt)
+{
+	struct icmphdr *icmp_hdr;
+	struct iphdr *iph;
+
+	icmp_hdr = data + off;
+	if (icmp_hdr + 1 > data_end)
+		return XDP_DROP;
+	if (icmp_hdr->type == 8)
+		return send_icmp_reply(data, data_end);
+	if ((icmp_hdr->type != 3) || (icmp_hdr->code != 4))
+		return XDP_PASS;
+	off += sizeof(struct icmphdr);
+	iph = data + off;
+	if (iph + 1 > data_end)
+		return XDP_DROP;
+	if (iph->ihl != 5)
+		return XDP_DROP;
+	pckt->flow.proto = iph->protocol;
+	pckt->flags |= (1 << 0);
+	pckt->flow.src = iph->daddr;
+	pckt->flow.dst = iph->saddr;
+	return -1;
+}
+
+static __attribute__ ((noinline))
+__u32 get_packet_hash(struct packet_description *pckt,
+		      bool hash_16bytes)
+{
+	if (hash_16bytes)
+		return jhash_2words(jhash(pckt->flow.srcv6, 16, 12),
+				    pckt->flow.ports, 24);
+	else
+		return jhash_2words(pckt->flow.src, pckt->flow.ports,
+				    24);
+}
+
+__attribute__ ((noinline))
+static bool get_packet_dst(struct real_definition **real,
+			   struct packet_description *pckt,
+			   struct vip_meta *vip_info,
+			   bool is_ipv6, void *lru_map)
+{
+	struct real_pos_lru new_dst_lru = { };
+	bool hash_16bytes = is_ipv6;
+	__u32 *real_pos, hash, key;
+	__u64 cur_time;
+
+	if (vip_info->flags & (1 << 2))
+		hash_16bytes = 1;
+	if (vip_info->flags & (1 << 3)) {
+		pckt->flow.port16[0] = pckt->flow.port16[1];
+		memset(pckt->flow.srcv6, 0, 16);
+	}
+	hash = get_packet_hash(pckt, hash_16bytes);
+	if (hash != 0x358459b7 /* jhash of ipv4 packet */  &&
+	    hash != 0x2f4bc6bb /* jhash of ipv6 packet */)
+		return false;
+	key = 2 * vip_info->vip_num + hash % 2;
+	real_pos = bpf_map_lookup_elem(&ch_rings, &key);
+	if (!real_pos)
+		return false;
+	key = *real_pos;
+	*real = bpf_map_lookup_elem(&reals, &key);
+	if (!(*real))
+		return false;
+	if (!(vip_info->flags & (1 << 1))) {
+		__u32 conn_rate_key = 512 + 2;
+		struct lb_stats *conn_rate_stats =
+		    bpf_map_lookup_elem(&stats, &conn_rate_key);
+
+		if (!conn_rate_stats)
+			return true;
+		cur_time = bpf_ktime_get_ns();
+		if ((cur_time - conn_rate_stats->v2) >> 32 > 0xffFFFF) {
+			conn_rate_stats->v1 = 1;
+			conn_rate_stats->v2 = cur_time;
+		} else {
+			conn_rate_stats->v1 += 1;
+			if (conn_rate_stats->v1 >= 1)
+				return true;
+		}
+		if (pckt->flow.proto == IPPROTO_UDP)
+			new_dst_lru.atime = cur_time;
+		new_dst_lru.pos = key;
+		bpf_map_update_elem(lru_map, &pckt->flow, &new_dst_lru, 0);
+	}
+	return true;
+}
+
+__attribute__ ((noinline))
+static void connection_table_lookup(struct real_definition **real,
+				    struct packet_description *pckt,
+				    void *lru_map)
+{
+
+	struct real_pos_lru *dst_lru;
+	__u64 cur_time;
+	__u32 key;
+
+	dst_lru = bpf_map_lookup_elem(lru_map, &pckt->flow);
+	if (!dst_lru)
+		return;
+	if (pckt->flow.proto == IPPROTO_UDP) {
+		cur_time = bpf_ktime_get_ns();
+		if (cur_time - dst_lru->atime > 300000)
+			return;
+		dst_lru->atime = cur_time;
+	}
+	key = dst_lru->pos;
+	*real = bpf_map_lookup_elem(&reals, &key);
+}
+
+/* don't believe your eyes!
+ * below function has 6 arguments whereas bpf and llvm allow maximum of 5
+ * but since it's _static_ llvm can optimize one argument away
+ */
+__attribute__ ((noinline))
+static int process_l3_headers_v6(struct packet_description *pckt,
+				 __u8 *protocol, __u64 off,
+				 __u16 *pkt_bytes, void *data,
+				 void *data_end)
+{
+	struct ipv6hdr *ip6h;
+	__u64 iph_len;
+	int action;
+
+	ip6h = data + off;
+	if (ip6h + 1 > data_end)
+		return XDP_DROP;
+	iph_len = sizeof(struct ipv6hdr);
+	*protocol = ip6h->nexthdr;
+	pckt->flow.proto = *protocol;
+	*pkt_bytes = bpf_ntohs(ip6h->payload_len);
+	off += iph_len;
+	if (*protocol == 45) {
+		return XDP_DROP;
+	} else if (*protocol == 59) {
+		action = parse_icmpv6(data, data_end, off, pckt);
+		if (action >= 0)
+			return action;
+	} else {
+		memcpy(pckt->flow.srcv6, ip6h->saddr.in6_u.u6_addr32, 16);
+		memcpy(pckt->flow.dstv6, ip6h->daddr.in6_u.u6_addr32, 16);
+	}
+	return -1;
+}
+
+__attribute__ ((noinline))
+static int process_l3_headers_v4(struct packet_description *pckt,
+				 __u8 *protocol, __u64 off,
+				 __u16 *pkt_bytes, void *data,
+				 void *data_end)
+{
+	struct iphdr *iph;
+	__u64 iph_len;
+	int action;
+
+	iph = data + off;
+	if (iph + 1 > data_end)
+		return XDP_DROP;
+	if (iph->ihl != 5)
+		return XDP_DROP;
+	*protocol = iph->protocol;
+	pckt->flow.proto = *protocol;
+	*pkt_bytes = bpf_ntohs(iph->tot_len);
+	off += 20;
+	if (iph->frag_off & 65343)
+		return XDP_DROP;
+	if (*protocol == IPPROTO_ICMP) {
+		action = parse_icmp(data, data_end, off, pckt);
+		if (action >= 0)
+			return action;
+	} else {
+		pckt->flow.src = iph->saddr;
+		pckt->flow.dst = iph->daddr;
+	}
+	return -1;
+}
+
+__attribute__ ((noinline))
+static int process_packet(void *data, __u64 off, void *data_end,
+			  bool is_ipv6, struct xdp_md *xdp)
+{
+
+	struct real_definition *dst = NULL;
+	struct packet_description pckt = { };
+	struct vip_definition vip = { };
+	struct lb_stats *data_stats;
+	struct eth_hdr *eth = data;
+	void *lru_map = &lru_cache;
+	struct vip_meta *vip_info;
+	__u32 lru_stats_key = 513;
+	__u32 mac_addr_pos = 0;
+	__u32 stats_key = 512;
+	struct ctl_value *cval;
+	__u16 pkt_bytes;
+	__u64 iph_len;
+	__u8 protocol;
+	__u32 vip_num;
+	int action;
+
+	if (is_ipv6)
+		action = process_l3_headers_v6(&pckt, &protocol, off,
+					       &pkt_bytes, data, data_end);
+	else
+		action = process_l3_headers_v4(&pckt, &protocol, off,
+					       &pkt_bytes, data, data_end);
+	if (action >= 0)
+		return action;
+	protocol = pckt.flow.proto;
+	if (protocol == IPPROTO_TCP) {
+		if (!parse_tcp(data, data_end, is_ipv6, &pckt))
+			return XDP_DROP;
+	} else if (protocol == IPPROTO_UDP) {
+		if (!parse_udp(data, data_end, is_ipv6, &pckt))
+			return XDP_DROP;
+	} else {
+		return XDP_TX;
+	}
+
+	if (is_ipv6)
+		memcpy(vip.vipv6, pckt.flow.dstv6, 16);
+	else
+		vip.vip = pckt.flow.dst;
+	vip.port = pckt.flow.port16[1];
+	vip.proto = pckt.flow.proto;
+	vip_info = bpf_map_lookup_elem(&vip_map, &vip);
+	if (!vip_info) {
+		vip.port = 0;
+		vip_info = bpf_map_lookup_elem(&vip_map, &vip);
+		if (!vip_info)
+			return XDP_PASS;
+		if (!(vip_info->flags & (1 << 4)))
+			pckt.flow.port16[1] = 0;
+	}
+	if (data_end - data > 1400)
+		return XDP_DROP;
+	data_stats = bpf_map_lookup_elem(&stats, &stats_key);
+	if (!data_stats)
+		return XDP_DROP;
+	data_stats->v1 += 1;
+	if (!dst) {
+		if (vip_info->flags & (1 << 0))
+			pckt.flow.port16[0] = 0;
+		if (!(pckt.flags & (1 << 1)) && !(vip_info->flags & (1 << 1)))
+			connection_table_lookup(&dst, &pckt, lru_map);
+		if (dst)
+			goto out;
+		if (pckt.flow.proto == IPPROTO_TCP) {
+			struct lb_stats *lru_stats =
+			    bpf_map_lookup_elem(&stats, &lru_stats_key);
+
+			if (!lru_stats)
+				return XDP_DROP;
+			if (pckt.flags & (1 << 1))
+				lru_stats->v1 += 1;
+			else
+				lru_stats->v2 += 1;
+		}
+		if (!get_packet_dst(&dst, &pckt, vip_info, is_ipv6, lru_map))
+			return XDP_DROP;
+		data_stats->v2 += 1;
+	}
+out:
+	cval = bpf_map_lookup_elem(&ctl_array, &mac_addr_pos);
+	if (!cval)
+		return XDP_DROP;
+	if (dst->flags & (1 << 0)) {
+		if (!encap_v6(xdp, cval, &pckt, dst, pkt_bytes))
+			return XDP_DROP;
+	} else {
+		if (!encap_v4(xdp, cval, &pckt, dst, pkt_bytes))
+			return XDP_DROP;
+	}
+	vip_num = vip_info->vip_num;
+	data_stats = bpf_map_lookup_elem(&stats, &vip_num);
+	if (!data_stats)
+		return XDP_DROP;
+	data_stats->v1 += 1;
+	data_stats->v2 += pkt_bytes;
+
+	data = (void *)(long)xdp->data;
+	data_end = (void *)(long)xdp->data_end;
+	if (data + 4 > data_end)
+		return XDP_DROP;
+	*(u32 *)data = dst->dst;
+	return XDP_DROP;
+}
+
+SEC("xdp")
+int balancer_ingress_v4(struct xdp_md *ctx)
+{
+	void *data = (void *)(long)ctx->data;
+	void *data_end = (void *)(long)ctx->data_end;
+	struct eth_hdr *eth = data;
+	__u32 eth_proto;
+	__u32 nh_off;
+
+	nh_off = sizeof(struct eth_hdr);
+	if (data + nh_off > data_end)
+		return XDP_DROP;
+	eth_proto = bpf_ntohs(eth->eth_proto);
+	if (eth_proto == ETH_P_IP)
+		return process_packet(data, nh_off, data_end, 0, ctx);
+	else
+		return XDP_DROP;
+}
+
+SEC("xdp")
+int balancer_ingress_v6(struct xdp_md *ctx)
+{
+	void *data = (void *)(long)ctx->data;
+	void *data_end = (void *)(long)ctx->data_end;
+	struct eth_hdr *eth = data;
+	__u32 eth_proto;
+	__u32 nh_off;
+
+	nh_off = sizeof(struct eth_hdr);
+	if (data + nh_off > data_end)
+		return XDP_DROP;
+	eth_proto = bpf_ntohs(eth->eth_proto);
+	if (eth_proto == ETH_P_IPV6)
+		return process_packet(data, nh_off, data_end, 1, ctx);
+	else
+		return XDP_DROP;
+}
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/test_xdp_redirect.c b/tools/testing/selftests/bpf/progs/test_xdp_redirect.c
new file mode 100644
index 000000000..b778cad45
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_xdp_redirect.c
@@ -0,0 +1,26 @@
+/* Copyright (c) 2017 VMware
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of version 2 of the GNU General Public
+ * License as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ */
+#include <linux/bpf.h>
+#include <bpf/bpf_helpers.h>
+
+SEC("redirect_to_111")
+int xdp_redirect_to_111(struct xdp_md *xdp)
+{
+	return bpf_redirect(111, 0);
+}
+SEC("redirect_to_222")
+int xdp_redirect_to_222(struct xdp_md *xdp)
+{
+	return bpf_redirect(222, 0);
+}
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/test_xdp_update_frags.c b/tools/testing/selftests/bpf/progs/test_xdp_update_frags.c
new file mode 100644
index 000000000..2a3496d8e
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_xdp_update_frags.c
@@ -0,0 +1,42 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of version 2 of the GNU General Public
+ * License as published by the Free Software Foundation.
+ */
+#include <linux/bpf.h>
+#include <linux/if_ether.h>
+#include <bpf/bpf_helpers.h>
+
+int _version SEC("version") = 1;
+
+SEC("xdp.frags")
+int xdp_adjust_frags(struct xdp_md *xdp)
+{
+	__u8 *data_end = (void *)(long)xdp->data_end;
+	__u8 *data = (void *)(long)xdp->data;
+	__u8 val[16] = {};
+	__u32 offset;
+	int err;
+
+	if (data + sizeof(__u32) > data_end)
+		return XDP_DROP;
+
+	offset = *(__u32 *)data;
+	err = bpf_xdp_load_bytes(xdp, offset, val, sizeof(val));
+	if (err < 0)
+		return XDP_DROP;
+
+	if (val[0] != 0xaa || val[15] != 0xaa) /* marker */
+		return XDP_DROP;
+
+	val[0] = 0xbb; /* update the marker */
+	val[15] = 0xbb;
+	err = bpf_xdp_store_bytes(xdp, offset, val, sizeof(val));
+	if (err < 0)
+		return XDP_DROP;
+
+	return XDP_PASS;
+}
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/test_xdp_vlan.c b/tools/testing/selftests/bpf/progs/test_xdp_vlan.c
new file mode 100644
index 000000000..134768f6b
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_xdp_vlan.c
@@ -0,0 +1,292 @@
+/* SPDX-License-Identifier: GPL-2.0
+ *  Copyright(c) 2018 Jesper Dangaard Brouer.
+ *
+ * XDP/TC VLAN manipulation example
+ *
+ * GOTCHA: Remember to disable NIC hardware offloading of VLANs,
+ * else the VLAN tags are NOT inlined in the packet payload:
+ *
+ *  # ethtool -K ixgbe2 rxvlan off
+ *
+ * Verify setting:
+ *  # ethtool -k ixgbe2 | grep rx-vlan-offload
+ *  rx-vlan-offload: off
+ *
+ */
+#include <stddef.h>
+#include <stdbool.h>
+#include <string.h>
+#include <linux/bpf.h>
+#include <linux/if_ether.h>
+#include <linux/if_vlan.h>
+#include <linux/in.h>
+#include <linux/pkt_cls.h>
+
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_endian.h>
+
+/* linux/if_vlan.h have not exposed this as UAPI, thus mirror some here
+ *
+ *	struct vlan_hdr - vlan header
+ *	@h_vlan_TCI: priority and VLAN ID
+ *	@h_vlan_encapsulated_proto: packet type ID or len
+ */
+struct _vlan_hdr {
+	__be16 h_vlan_TCI;
+	__be16 h_vlan_encapsulated_proto;
+};
+#define VLAN_PRIO_MASK		0xe000 /* Priority Code Point */
+#define VLAN_PRIO_SHIFT		13
+#define VLAN_CFI_MASK		0x1000 /* Canonical Format Indicator */
+#define VLAN_TAG_PRESENT	VLAN_CFI_MASK
+#define VLAN_VID_MASK		0x0fff /* VLAN Identifier */
+#define VLAN_N_VID		4096
+
+struct parse_pkt {
+	__u16 l3_proto;
+	__u16 l3_offset;
+	__u16 vlan_outer;
+	__u16 vlan_inner;
+	__u8  vlan_outer_offset;
+	__u8  vlan_inner_offset;
+};
+
+char _license[] SEC("license") = "GPL";
+
+static __always_inline
+bool parse_eth_frame(struct ethhdr *eth, void *data_end, struct parse_pkt *pkt)
+{
+	__u16 eth_type;
+	__u8 offset;
+
+	offset = sizeof(*eth);
+	/* Make sure packet is large enough for parsing eth + 2 VLAN headers */
+	if ((void *)eth + offset + (2*sizeof(struct _vlan_hdr)) > data_end)
+		return false;
+
+	eth_type = eth->h_proto;
+
+	/* Handle outer VLAN tag */
+	if (eth_type == bpf_htons(ETH_P_8021Q)
+	    || eth_type == bpf_htons(ETH_P_8021AD)) {
+		struct _vlan_hdr *vlan_hdr;
+
+		vlan_hdr = (void *)eth + offset;
+		pkt->vlan_outer_offset = offset;
+		pkt->vlan_outer = bpf_ntohs(vlan_hdr->h_vlan_TCI)
+				& VLAN_VID_MASK;
+		eth_type        = vlan_hdr->h_vlan_encapsulated_proto;
+		offset += sizeof(*vlan_hdr);
+	}
+
+	/* Handle inner (double) VLAN tag */
+	if (eth_type == bpf_htons(ETH_P_8021Q)
+	    || eth_type == bpf_htons(ETH_P_8021AD)) {
+		struct _vlan_hdr *vlan_hdr;
+
+		vlan_hdr = (void *)eth + offset;
+		pkt->vlan_inner_offset = offset;
+		pkt->vlan_inner = bpf_ntohs(vlan_hdr->h_vlan_TCI)
+				& VLAN_VID_MASK;
+		eth_type        = vlan_hdr->h_vlan_encapsulated_proto;
+		offset += sizeof(*vlan_hdr);
+	}
+
+	pkt->l3_proto = bpf_ntohs(eth_type); /* Convert to host-byte-order */
+	pkt->l3_offset = offset;
+
+	return true;
+}
+
+/* Hint, VLANs are choosen to hit network-byte-order issues */
+#define TESTVLAN 4011 /* 0xFAB */
+// #define TO_VLAN  4000 /* 0xFA0 (hint 0xOA0 = 160) */
+
+SEC("xdp_drop_vlan_4011")
+int  xdp_prognum0(struct xdp_md *ctx)
+{
+	void *data_end = (void *)(long)ctx->data_end;
+	void *data     = (void *)(long)ctx->data;
+	struct parse_pkt pkt = { 0 };
+
+	if (!parse_eth_frame(data, data_end, &pkt))
+		return XDP_ABORTED;
+
+	/* Drop specific VLAN ID example */
+	if (pkt.vlan_outer == TESTVLAN)
+		return XDP_ABORTED;
+	/*
+	 * Using XDP_ABORTED makes it possible to record this event,
+	 * via tracepoint xdp:xdp_exception like:
+	 *  # perf record -a -e xdp:xdp_exception
+	 *  # perf script
+	 */
+	return XDP_PASS;
+}
+/*
+Commands to setup VLAN on Linux to test packets gets dropped:
+
+ export ROOTDEV=ixgbe2
+ export VLANID=4011
+ ip link add link $ROOTDEV name $ROOTDEV.$VLANID type vlan id $VLANID
+ ip link set dev  $ROOTDEV.$VLANID up
+
+ ip link set dev $ROOTDEV mtu 1508
+ ip addr add 100.64.40.11/24 dev $ROOTDEV.$VLANID
+
+Load prog with ip tool:
+
+ ip link set $ROOTDEV xdp off
+ ip link set $ROOTDEV xdp object xdp_vlan01_kern.o section xdp_drop_vlan_4011
+
+*/
+
+/* Changing VLAN to zero, have same practical effect as removing the VLAN. */
+#define TO_VLAN	0
+
+SEC("xdp_vlan_change")
+int  xdp_prognum1(struct xdp_md *ctx)
+{
+	void *data_end = (void *)(long)ctx->data_end;
+	void *data     = (void *)(long)ctx->data;
+	struct parse_pkt pkt = { 0 };
+
+	if (!parse_eth_frame(data, data_end, &pkt))
+		return XDP_ABORTED;
+
+	/* Change specific VLAN ID */
+	if (pkt.vlan_outer == TESTVLAN) {
+		struct _vlan_hdr *vlan_hdr = data + pkt.vlan_outer_offset;
+
+		/* Modifying VLAN, preserve top 4 bits */
+		vlan_hdr->h_vlan_TCI =
+			bpf_htons((bpf_ntohs(vlan_hdr->h_vlan_TCI) & 0xf000)
+				  | TO_VLAN);
+	}
+
+	return XDP_PASS;
+}
+
+/*
+ * Show XDP+TC can cooperate, on creating a VLAN rewriter.
+ * 1. Create a XDP prog that can "pop"/remove a VLAN header.
+ * 2. Create a TC-bpf prog that egress can add a VLAN header.
+ */
+
+#ifndef ETH_ALEN /* Ethernet MAC address length */
+#define ETH_ALEN	6	/* bytes */
+#endif
+#define VLAN_HDR_SZ	4	/* bytes */
+
+SEC("xdp_vlan_remove_outer")
+int  xdp_prognum2(struct xdp_md *ctx)
+{
+	void *data_end = (void *)(long)ctx->data_end;
+	void *data     = (void *)(long)ctx->data;
+	struct parse_pkt pkt = { 0 };
+	char *dest;
+
+	if (!parse_eth_frame(data, data_end, &pkt))
+		return XDP_ABORTED;
+
+	/* Skip packet if no outer VLAN was detected */
+	if (pkt.vlan_outer_offset == 0)
+		return XDP_PASS;
+
+	/* Moving Ethernet header, dest overlap with src, memmove handle this */
+	dest = data;
+	dest+= VLAN_HDR_SZ;
+	/*
+	 * Notice: Taking over vlan_hdr->h_vlan_encapsulated_proto, by
+	 * only moving two MAC addrs (12 bytes), not overwriting last 2 bytes
+	 */
+	__builtin_memmove(dest, data, ETH_ALEN * 2);
+	/* Note: LLVM built-in memmove inlining require size to be constant */
+
+	/* Move start of packet header seen by Linux kernel stack */
+	bpf_xdp_adjust_head(ctx, VLAN_HDR_SZ);
+
+	return XDP_PASS;
+}
+
+static __always_inline
+void shift_mac_4bytes_16bit(void *data)
+{
+	__u16 *p = data;
+
+	p[7] = p[5]; /* delete p[7] was vlan_hdr->h_vlan_TCI */
+	p[6] = p[4]; /* delete p[6] was ethhdr->h_proto */
+	p[5] = p[3];
+	p[4] = p[2];
+	p[3] = p[1];
+	p[2] = p[0];
+}
+
+static __always_inline
+void shift_mac_4bytes_32bit(void *data)
+{
+	__u32 *p = data;
+
+	/* Assuming VLAN hdr present. The 4 bytes in p[3] that gets
+	 * overwritten, is ethhdr->h_proto and vlan_hdr->h_vlan_TCI.
+	 * The vlan_hdr->h_vlan_encapsulated_proto take over role as
+	 * ethhdr->h_proto.
+	 */
+	p[3] = p[2];
+	p[2] = p[1];
+	p[1] = p[0];
+}
+
+SEC("xdp_vlan_remove_outer2")
+int  xdp_prognum3(struct xdp_md *ctx)
+{
+	void *data_end = (void *)(long)ctx->data_end;
+	void *data     = (void *)(long)ctx->data;
+	struct ethhdr *orig_eth = data;
+	struct parse_pkt pkt = { 0 };
+
+	if (!parse_eth_frame(orig_eth, data_end, &pkt))
+		return XDP_ABORTED;
+
+	/* Skip packet if no outer VLAN was detected */
+	if (pkt.vlan_outer_offset == 0)
+		return XDP_PASS;
+
+	/* Simply shift down MAC addrs 4 bytes, overwrite h_proto + TCI */
+	shift_mac_4bytes_32bit(data);
+
+	/* Move start of packet header seen by Linux kernel stack */
+	bpf_xdp_adjust_head(ctx, VLAN_HDR_SZ);
+
+	return XDP_PASS;
+}
+
+/*=====================================
+ *  BELOW: TC-hook based ebpf programs
+ * ====================================
+ * The TC-clsact eBPF programs (currently) need to be attach via TC commands
+ */
+
+SEC("tc_vlan_push")
+int _tc_progA(struct __sk_buff *ctx)
+{
+	bpf_skb_vlan_push(ctx, bpf_htons(ETH_P_8021Q), TESTVLAN);
+
+	return TC_ACT_OK;
+}
+/*
+Commands to setup TC to use above bpf prog:
+
+export ROOTDEV=ixgbe2
+export FILE=xdp_vlan01_kern.o
+
+# Re-attach clsact to clear/flush existing role
+tc qdisc del dev $ROOTDEV clsact 2> /dev/null ;\
+tc qdisc add dev $ROOTDEV clsact
+
+# Attach BPF prog EGRESS
+tc filter add dev $ROOTDEV egress \
+  prio 1 handle 1 bpf da obj $FILE sec tc_vlan_push
+
+tc filter show dev $ROOTDEV egress
+*/
diff --git a/tools/testing/selftests/bpf/progs/test_xdp_with_cpumap_frags_helpers.c b/tools/testing/selftests/bpf/progs/test_xdp_with_cpumap_frags_helpers.c
new file mode 100644
index 000000000..97ed625bb
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_xdp_with_cpumap_frags_helpers.c
@@ -0,0 +1,27 @@
+// SPDX-License-Identifier: GPL-2.0
+
+#include <linux/bpf.h>
+#include <bpf/bpf_helpers.h>
+
+#define IFINDEX_LO	1
+
+struct {
+	__uint(type, BPF_MAP_TYPE_CPUMAP);
+	__uint(key_size, sizeof(__u32));
+	__uint(value_size, sizeof(struct bpf_cpumap_val));
+	__uint(max_entries, 4);
+} cpu_map SEC(".maps");
+
+SEC("xdp/cpumap")
+int xdp_dummy_cm(struct xdp_md *ctx)
+{
+	return XDP_PASS;
+}
+
+SEC("xdp.frags/cpumap")
+int xdp_dummy_cm_frags(struct xdp_md *ctx)
+{
+	return XDP_PASS;
+}
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/test_xdp_with_cpumap_helpers.c b/tools/testing/selftests/bpf/progs/test_xdp_with_cpumap_helpers.c
new file mode 100644
index 000000000..20ec6723d
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_xdp_with_cpumap_helpers.c
@@ -0,0 +1,42 @@
+// SPDX-License-Identifier: GPL-2.0
+
+#include <linux/bpf.h>
+#include <bpf/bpf_helpers.h>
+
+#define IFINDEX_LO	1
+
+struct {
+	__uint(type, BPF_MAP_TYPE_CPUMAP);
+	__uint(key_size, sizeof(__u32));
+	__uint(value_size, sizeof(struct bpf_cpumap_val));
+	__uint(max_entries, 4);
+} cpu_map SEC(".maps");
+
+SEC("xdp")
+int xdp_redir_prog(struct xdp_md *ctx)
+{
+	return bpf_redirect_map(&cpu_map, 1, 0);
+}
+
+SEC("xdp")
+int xdp_dummy_prog(struct xdp_md *ctx)
+{
+	return XDP_PASS;
+}
+
+SEC("xdp/cpumap")
+int xdp_dummy_cm(struct xdp_md *ctx)
+{
+	if (ctx->ingress_ifindex == IFINDEX_LO)
+		return XDP_DROP;
+
+	return XDP_PASS;
+}
+
+SEC("xdp.frags/cpumap")
+int xdp_dummy_cm_frags(struct xdp_md *ctx)
+{
+	return XDP_PASS;
+}
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/test_xdp_with_devmap_frags_helpers.c b/tools/testing/selftests/bpf/progs/test_xdp_with_devmap_frags_helpers.c
new file mode 100644
index 000000000..cdcf7de7e
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_xdp_with_devmap_frags_helpers.c
@@ -0,0 +1,27 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <linux/bpf.h>
+#include <bpf/bpf_helpers.h>
+
+struct {
+	__uint(type, BPF_MAP_TYPE_DEVMAP);
+	__uint(key_size, sizeof(__u32));
+	__uint(value_size, sizeof(struct bpf_devmap_val));
+	__uint(max_entries, 4);
+} dm_ports SEC(".maps");
+
+/* valid program on DEVMAP entry via SEC name;
+ * has access to egress and ingress ifindex
+ */
+SEC("xdp/devmap")
+int xdp_dummy_dm(struct xdp_md *ctx)
+{
+	return XDP_PASS;
+}
+
+SEC("xdp.frags/devmap")
+int xdp_dummy_dm_frags(struct xdp_md *ctx)
+{
+	return XDP_PASS;
+}
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/test_xdp_with_devmap_helpers.c b/tools/testing/selftests/bpf/progs/test_xdp_with_devmap_helpers.c
new file mode 100644
index 000000000..4139a14f9
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_xdp_with_devmap_helpers.c
@@ -0,0 +1,50 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <linux/bpf.h>
+#include <bpf/bpf_helpers.h>
+
+struct {
+	__uint(type, BPF_MAP_TYPE_DEVMAP);
+	__uint(key_size, sizeof(__u32));
+	__uint(value_size, sizeof(struct bpf_devmap_val));
+	__uint(max_entries, 4);
+} dm_ports SEC(".maps");
+
+SEC("xdp")
+int xdp_redir_prog(struct xdp_md *ctx)
+{
+	return bpf_redirect_map(&dm_ports, 1, 0);
+}
+
+/* invalid program on DEVMAP entry;
+ * SEC name means expected attach type not set
+ */
+SEC("xdp")
+int xdp_dummy_prog(struct xdp_md *ctx)
+{
+	return XDP_PASS;
+}
+
+/* valid program on DEVMAP entry via SEC name;
+ * has access to egress and ingress ifindex
+ */
+SEC("xdp/devmap")
+int xdp_dummy_dm(struct xdp_md *ctx)
+{
+	char fmt[] = "devmap redirect: dev %u -> dev %u len %u\n";
+	void *data_end = (void *)(long)ctx->data_end;
+	void *data = (void *)(long)ctx->data;
+	unsigned int len = data_end - data;
+
+	bpf_trace_printk(fmt, sizeof(fmt),
+			 ctx->ingress_ifindex, ctx->egress_ifindex, len);
+
+	return XDP_PASS;
+}
+
+SEC("xdp.frags/devmap")
+int xdp_dummy_dm_frags(struct xdp_md *ctx)
+{
+	return XDP_PASS;
+}
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/timer.c b/tools/testing/selftests/bpf/progs/timer.c
new file mode 100644
index 000000000..acda5c9ce
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/timer.c
@@ -0,0 +1,286 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2021 Facebook */
+#include <linux/bpf.h>
+#include <time.h>
+#include <errno.h>
+#include <bpf/bpf_helpers.h>
+#include "bpf_tcp_helpers.h"
+
+char _license[] SEC("license") = "GPL";
+struct hmap_elem {
+	int counter;
+	struct bpf_timer timer;
+	struct bpf_spin_lock lock; /* unused */
+};
+
+struct {
+	__uint(type, BPF_MAP_TYPE_HASH);
+	__uint(max_entries, 1000);
+	__type(key, int);
+	__type(value, struct hmap_elem);
+} hmap SEC(".maps");
+
+struct {
+	__uint(type, BPF_MAP_TYPE_HASH);
+	__uint(map_flags, BPF_F_NO_PREALLOC);
+	__uint(max_entries, 1000);
+	__type(key, int);
+	__type(value, struct hmap_elem);
+} hmap_malloc SEC(".maps");
+
+struct elem {
+	struct bpf_timer t;
+};
+
+struct {
+	__uint(type, BPF_MAP_TYPE_ARRAY);
+	__uint(max_entries, 2);
+	__type(key, int);
+	__type(value, struct elem);
+} array SEC(".maps");
+
+struct {
+	__uint(type, BPF_MAP_TYPE_LRU_HASH);
+	__uint(max_entries, 4);
+	__type(key, int);
+	__type(value, struct elem);
+} lru SEC(".maps");
+
+__u64 bss_data;
+__u64 err;
+__u64 ok;
+__u64 callback_check = 52;
+__u64 callback2_check = 52;
+
+#define ARRAY 1
+#define HTAB 2
+#define HTAB_MALLOC 3
+#define LRU 4
+
+/* callback for array and lru timers */
+static int timer_cb1(void *map, int *key, struct bpf_timer *timer)
+{
+	/* increment bss variable twice.
+	 * Once via array timer callback and once via lru timer callback
+	 */
+	bss_data += 5;
+
+	/* *key == 0 - the callback was called for array timer.
+	 * *key == 4 - the callback was called from lru timer.
+	 */
+	if (*key == ARRAY) {
+		struct bpf_timer *lru_timer;
+		int lru_key = LRU;
+
+		/* rearm array timer to be called again in ~35 seconds */
+		if (bpf_timer_start(timer, 1ull << 35, 0) != 0)
+			err |= 1;
+
+		lru_timer = bpf_map_lookup_elem(&lru, &lru_key);
+		if (!lru_timer)
+			return 0;
+		bpf_timer_set_callback(lru_timer, timer_cb1);
+		if (bpf_timer_start(lru_timer, 0, 0) != 0)
+			err |= 2;
+	} else if (*key == LRU) {
+		int lru_key, i;
+
+		for (i = LRU + 1;
+		     i <= 100  /* for current LRU eviction algorithm this number
+				* should be larger than ~ lru->max_entries * 2
+				*/;
+		     i++) {
+			struct elem init = {};
+
+			/* lru_key cannot be used as loop induction variable
+			 * otherwise the loop will be unbounded.
+			 */
+			lru_key = i;
+
+			/* add more elements into lru map to push out current
+			 * element and force deletion of this timer
+			 */
+			bpf_map_update_elem(map, &lru_key, &init, 0);
+			/* look it up to bump it into active list */
+			bpf_map_lookup_elem(map, &lru_key);
+
+			/* keep adding until *key changes underneath,
+			 * which means that key/timer memory was reused
+			 */
+			if (*key != LRU)
+				break;
+		}
+
+		/* check that the timer was removed */
+		if (bpf_timer_cancel(timer) != -EINVAL)
+			err |= 4;
+		ok |= 1;
+	}
+	return 0;
+}
+
+SEC("fentry/bpf_fentry_test1")
+int BPF_PROG2(test1, int, a)
+{
+	struct bpf_timer *arr_timer, *lru_timer;
+	struct elem init = {};
+	int lru_key = LRU;
+	int array_key = ARRAY;
+
+	arr_timer = bpf_map_lookup_elem(&array, &array_key);
+	if (!arr_timer)
+		return 0;
+	bpf_timer_init(arr_timer, &array, CLOCK_MONOTONIC);
+
+	bpf_map_update_elem(&lru, &lru_key, &init, 0);
+	lru_timer = bpf_map_lookup_elem(&lru, &lru_key);
+	if (!lru_timer)
+		return 0;
+	bpf_timer_init(lru_timer, &lru, CLOCK_MONOTONIC);
+
+	bpf_timer_set_callback(arr_timer, timer_cb1);
+	bpf_timer_start(arr_timer, 0 /* call timer_cb1 asap */, 0);
+
+	/* init more timers to check that array destruction
+	 * doesn't leak timer memory.
+	 */
+	array_key = 0;
+	arr_timer = bpf_map_lookup_elem(&array, &array_key);
+	if (!arr_timer)
+		return 0;
+	bpf_timer_init(arr_timer, &array, CLOCK_MONOTONIC);
+	return 0;
+}
+
+/* callback for prealloc and non-prealloca hashtab timers */
+static int timer_cb2(void *map, int *key, struct hmap_elem *val)
+{
+	if (*key == HTAB)
+		callback_check--;
+	else
+		callback2_check--;
+	if (val->counter > 0 && --val->counter) {
+		/* re-arm the timer again to execute after 1 usec */
+		bpf_timer_start(&val->timer, 1000, 0);
+	} else if (*key == HTAB) {
+		struct bpf_timer *arr_timer;
+		int array_key = ARRAY;
+
+		/* cancel arr_timer otherwise bpf_fentry_test1 prog
+		 * will stay alive forever.
+		 */
+		arr_timer = bpf_map_lookup_elem(&array, &array_key);
+		if (!arr_timer)
+			return 0;
+		if (bpf_timer_cancel(arr_timer) != 1)
+			/* bpf_timer_cancel should return 1 to indicate
+			 * that arr_timer was active at this time
+			 */
+			err |= 8;
+
+		/* try to cancel ourself. It shouldn't deadlock. */
+		if (bpf_timer_cancel(&val->timer) != -EDEADLK)
+			err |= 16;
+
+		/* delete this key and this timer anyway.
+		 * It shouldn't deadlock either.
+		 */
+		bpf_map_delete_elem(map, key);
+
+		/* in preallocated hashmap both 'key' and 'val' could have been
+		 * reused to store another map element (like in LRU above),
+		 * but in controlled test environment the below test works.
+		 * It's not a use-after-free. The memory is owned by the map.
+		 */
+		if (bpf_timer_start(&val->timer, 1000, 0) != -EINVAL)
+			err |= 32;
+		ok |= 2;
+	} else {
+		if (*key != HTAB_MALLOC)
+			err |= 64;
+
+		/* try to cancel ourself. It shouldn't deadlock. */
+		if (bpf_timer_cancel(&val->timer) != -EDEADLK)
+			err |= 128;
+
+		/* delete this key and this timer anyway.
+		 * It shouldn't deadlock either.
+		 */
+		bpf_map_delete_elem(map, key);
+
+		ok |= 4;
+	}
+	return 0;
+}
+
+int bpf_timer_test(void)
+{
+	struct hmap_elem *val;
+	int key = HTAB, key_malloc = HTAB_MALLOC;
+
+	val = bpf_map_lookup_elem(&hmap, &key);
+	if (val) {
+		if (bpf_timer_init(&val->timer, &hmap, CLOCK_BOOTTIME) != 0)
+			err |= 512;
+		bpf_timer_set_callback(&val->timer, timer_cb2);
+		bpf_timer_start(&val->timer, 1000, 0);
+	}
+	val = bpf_map_lookup_elem(&hmap_malloc, &key_malloc);
+	if (val) {
+		if (bpf_timer_init(&val->timer, &hmap_malloc, CLOCK_BOOTTIME) != 0)
+			err |= 1024;
+		bpf_timer_set_callback(&val->timer, timer_cb2);
+		bpf_timer_start(&val->timer, 1000, 0);
+	}
+	return 0;
+}
+
+SEC("fentry/bpf_fentry_test2")
+int BPF_PROG2(test2, int, a, int, b)
+{
+	struct hmap_elem init = {}, *val;
+	int key = HTAB, key_malloc = HTAB_MALLOC;
+
+	init.counter = 10; /* number of times to trigger timer_cb2 */
+	bpf_map_update_elem(&hmap, &key, &init, 0);
+	val = bpf_map_lookup_elem(&hmap, &key);
+	if (val)
+		bpf_timer_init(&val->timer, &hmap, CLOCK_BOOTTIME);
+	/* update the same key to free the timer */
+	bpf_map_update_elem(&hmap, &key, &init, 0);
+
+	bpf_map_update_elem(&hmap_malloc, &key_malloc, &init, 0);
+	val = bpf_map_lookup_elem(&hmap_malloc, &key_malloc);
+	if (val)
+		bpf_timer_init(&val->timer, &hmap_malloc, CLOCK_BOOTTIME);
+	/* update the same key to free the timer */
+	bpf_map_update_elem(&hmap_malloc, &key_malloc, &init, 0);
+
+	/* init more timers to check that htab operations
+	 * don't leak timer memory.
+	 */
+	key = 0;
+	bpf_map_update_elem(&hmap, &key, &init, 0);
+	val = bpf_map_lookup_elem(&hmap, &key);
+	if (val)
+		bpf_timer_init(&val->timer, &hmap, CLOCK_BOOTTIME);
+	bpf_map_delete_elem(&hmap, &key);
+	bpf_map_update_elem(&hmap, &key, &init, 0);
+	val = bpf_map_lookup_elem(&hmap, &key);
+	if (val)
+		bpf_timer_init(&val->timer, &hmap, CLOCK_BOOTTIME);
+
+	/* and with non-prealloc htab */
+	key_malloc = 0;
+	bpf_map_update_elem(&hmap_malloc, &key_malloc, &init, 0);
+	val = bpf_map_lookup_elem(&hmap_malloc, &key_malloc);
+	if (val)
+		bpf_timer_init(&val->timer, &hmap_malloc, CLOCK_BOOTTIME);
+	bpf_map_delete_elem(&hmap_malloc, &key_malloc);
+	bpf_map_update_elem(&hmap_malloc, &key_malloc, &init, 0);
+	val = bpf_map_lookup_elem(&hmap_malloc, &key_malloc);
+	if (val)
+		bpf_timer_init(&val->timer, &hmap_malloc, CLOCK_BOOTTIME);
+
+	return bpf_timer_test();
+}
diff --git a/tools/testing/selftests/bpf/progs/timer_crash.c b/tools/testing/selftests/bpf/progs/timer_crash.c
new file mode 100644
index 000000000..f8f7944e7
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/timer_crash.c
@@ -0,0 +1,54 @@
+// SPDX-License-Identifier: GPL-2.0
+
+#include <vmlinux.h>
+#include <bpf/bpf_tracing.h>
+#include <bpf/bpf_helpers.h>
+
+struct map_elem {
+	struct bpf_timer timer;
+	struct bpf_spin_lock lock;
+};
+
+struct {
+	__uint(type, BPF_MAP_TYPE_ARRAY);
+	__uint(max_entries, 1);
+	__type(key, int);
+	__type(value, struct map_elem);
+} amap SEC(".maps");
+
+struct {
+	__uint(type, BPF_MAP_TYPE_HASH);
+	__uint(max_entries, 1);
+	__type(key, int);
+	__type(value, struct map_elem);
+} hmap SEC(".maps");
+
+int pid = 0;
+int crash_map = 0; /* 0 for amap, 1 for hmap */
+
+SEC("fentry/do_nanosleep")
+int sys_enter(void *ctx)
+{
+	struct map_elem *e, value = {};
+	void *map = crash_map ? (void *)&hmap : (void *)&amap;
+
+	if (bpf_get_current_task_btf()->tgid != pid)
+		return 0;
+
+	*(void **)&value = (void *)0xdeadcaf3;
+
+	bpf_map_update_elem(map, &(int){0}, &value, 0);
+	/* For array map, doing bpf_map_update_elem will do a
+	 * check_and_free_timer_in_array, which will trigger the crash if timer
+	 * pointer was overwritten, for hmap we need to use bpf_timer_cancel.
+	 */
+	if (crash_map == 1) {
+		e = bpf_map_lookup_elem(map, &(int){0});
+		if (!e)
+			return 0;
+		bpf_timer_cancel(&e->timer);
+	}
+	return 0;
+}
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/timer_mim.c b/tools/testing/selftests/bpf/progs/timer_mim.c
new file mode 100644
index 000000000..2fee7ab10
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/timer_mim.c
@@ -0,0 +1,88 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2021 Facebook */
+#include <linux/bpf.h>
+#include <time.h>
+#include <errno.h>
+#include <bpf/bpf_helpers.h>
+#include "bpf_tcp_helpers.h"
+
+char _license[] SEC("license") = "GPL";
+struct hmap_elem {
+	int pad; /* unused */
+	struct bpf_timer timer;
+};
+
+struct inner_map {
+	__uint(type, BPF_MAP_TYPE_HASH);
+	__uint(max_entries, 1024);
+	__type(key, int);
+	__type(value, struct hmap_elem);
+} inner_htab SEC(".maps");
+
+#define ARRAY_KEY 1
+#define HASH_KEY 1234
+
+struct outer_arr {
+	__uint(type, BPF_MAP_TYPE_ARRAY_OF_MAPS);
+	__uint(max_entries, 2);
+	__uint(key_size, sizeof(int));
+	__uint(value_size, sizeof(int));
+	__array(values, struct inner_map);
+} outer_arr SEC(".maps") = {
+	.values = { [ARRAY_KEY] = &inner_htab },
+};
+
+__u64 err;
+__u64 ok;
+__u64 cnt;
+
+static int timer_cb1(void *map, int *key, struct hmap_elem *val);
+
+static int timer_cb2(void *map, int *key, struct hmap_elem *val)
+{
+	cnt++;
+	bpf_timer_set_callback(&val->timer, timer_cb1);
+	if (bpf_timer_start(&val->timer, 1000, 0))
+		err |= 1;
+	ok |= 1;
+	return 0;
+}
+
+/* callback for inner hash map */
+static int timer_cb1(void *map, int *key, struct hmap_elem *val)
+{
+	cnt++;
+	bpf_timer_set_callback(&val->timer, timer_cb2);
+	if (bpf_timer_start(&val->timer, 1000, 0))
+		err |= 2;
+	/* Do a lookup to make sure 'map' and 'key' pointers are correct */
+	bpf_map_lookup_elem(map, key);
+	ok |= 2;
+	return 0;
+}
+
+SEC("fentry/bpf_fentry_test1")
+int BPF_PROG(test1, int a)
+{
+	struct hmap_elem init = {};
+	struct bpf_map *inner_map;
+	struct hmap_elem *val;
+	int array_key = ARRAY_KEY;
+	int hash_key = HASH_KEY;
+
+	inner_map = bpf_map_lookup_elem(&outer_arr, &array_key);
+	if (!inner_map)
+		return 0;
+
+	bpf_map_update_elem(inner_map, &hash_key, &init, 0);
+	val = bpf_map_lookup_elem(inner_map, &hash_key);
+	if (!val)
+		return 0;
+
+	bpf_timer_init(&val->timer, inner_map, CLOCK_MONOTONIC);
+	if (bpf_timer_set_callback(&val->timer, timer_cb1))
+		err |= 4;
+	if (bpf_timer_start(&val->timer, 0, 0))
+		err |= 8;
+	return 0;
+}
diff --git a/tools/testing/selftests/bpf/progs/timer_mim_reject.c b/tools/testing/selftests/bpf/progs/timer_mim_reject.c
new file mode 100644
index 000000000..5d648e3d8
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/timer_mim_reject.c
@@ -0,0 +1,74 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2021 Facebook */
+#include <linux/bpf.h>
+#include <time.h>
+#include <errno.h>
+#include <bpf/bpf_helpers.h>
+#include "bpf_tcp_helpers.h"
+
+char _license[] SEC("license") = "GPL";
+struct hmap_elem {
+	int pad; /* unused */
+	struct bpf_timer timer;
+};
+
+struct inner_map {
+	__uint(type, BPF_MAP_TYPE_HASH);
+	__uint(max_entries, 1024);
+	__type(key, int);
+	__type(value, struct hmap_elem);
+} inner_htab SEC(".maps");
+
+#define ARRAY_KEY 1
+#define ARRAY_KEY2 2
+#define HASH_KEY 1234
+
+struct outer_arr {
+	__uint(type, BPF_MAP_TYPE_ARRAY_OF_MAPS);
+	__uint(max_entries, 2);
+	__uint(key_size, sizeof(int));
+	__uint(value_size, sizeof(int));
+	__array(values, struct inner_map);
+} outer_arr SEC(".maps") = {
+	.values = { [ARRAY_KEY] = &inner_htab },
+};
+
+__u64 err;
+__u64 ok;
+__u64 cnt;
+
+/* callback for inner hash map */
+static int timer_cb(void *map, int *key, struct hmap_elem *val)
+{
+	return 0;
+}
+
+SEC("fentry/bpf_fentry_test1")
+int BPF_PROG(test1, int a)
+{
+	struct hmap_elem init = {};
+	struct bpf_map *inner_map, *inner_map2;
+	struct hmap_elem *val;
+	int array_key = ARRAY_KEY;
+	int array_key2 = ARRAY_KEY2;
+	int hash_key = HASH_KEY;
+
+	inner_map = bpf_map_lookup_elem(&outer_arr, &array_key);
+	if (!inner_map)
+		return 0;
+
+	inner_map2 = bpf_map_lookup_elem(&outer_arr, &array_key2);
+	if (!inner_map2)
+		return 0;
+	bpf_map_update_elem(inner_map, &hash_key, &init, 0);
+	val = bpf_map_lookup_elem(inner_map, &hash_key);
+	if (!val)
+		return 0;
+
+	bpf_timer_init(&val->timer, inner_map2, CLOCK_MONOTONIC);
+	if (bpf_timer_set_callback(&val->timer, timer_cb))
+		err |= 4;
+	if (bpf_timer_start(&val->timer, 0, 0))
+		err |= 8;
+	return 0;
+}
diff --git a/tools/testing/selftests/bpf/progs/trace_dummy_st_ops.c b/tools/testing/selftests/bpf/progs/trace_dummy_st_ops.c
new file mode 100644
index 000000000..00a4be9d3
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/trace_dummy_st_ops.c
@@ -0,0 +1,21 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <linux/bpf.h>
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_tracing.h>
+
+int val = 0;
+
+SEC("fentry/test_1")
+int BPF_PROG(fentry_test_1, __u64 *st_ops_ctx)
+{
+	__u64 state;
+
+	/* Read the traced st_ops arg1 which is a pointer */
+	bpf_probe_read_kernel(&state, sizeof(__u64), (void *)st_ops_ctx);
+	/* Read state->val */
+	bpf_probe_read_kernel(&val, sizeof(__u32), (void *)state);
+
+	return 0;
+}
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/trace_printk.c b/tools/testing/selftests/bpf/progs/trace_printk.c
new file mode 100644
index 000000000..6695478c2
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/trace_printk.c
@@ -0,0 +1,22 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (c) 2020, Oracle and/or its affiliates.
+
+#include "vmlinux.h"
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_tracing.h>
+#include "bpf_misc.h"
+
+char _license[] SEC("license") = "GPL";
+
+int trace_printk_ret = 0;
+int trace_printk_ran = 0;
+
+const char fmt[] = "Testing,testing %d\n";
+
+SEC("fentry/" SYS_PREFIX "sys_nanosleep")
+int sys_enter(void *ctx)
+{
+	trace_printk_ret = bpf_trace_printk(fmt, sizeof(fmt),
+					    ++trace_printk_ran);
+	return 0;
+}
diff --git a/tools/testing/selftests/bpf/progs/trace_vprintk.c b/tools/testing/selftests/bpf/progs/trace_vprintk.c
new file mode 100644
index 000000000..969306cd4
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/trace_vprintk.c
@@ -0,0 +1,34 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2021 Facebook */
+
+#include "vmlinux.h"
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_tracing.h>
+#include "bpf_misc.h"
+
+char _license[] SEC("license") = "GPL";
+
+int null_data_vprintk_ret = 0;
+int trace_vprintk_ret = 0;
+int trace_vprintk_ran = 0;
+
+SEC("fentry/" SYS_PREFIX "sys_nanosleep")
+int sys_enter(void *ctx)
+{
+	static const char one[] = "1";
+	static const char three[] = "3";
+	static const char five[] = "5";
+	static const char seven[] = "7";
+	static const char nine[] = "9";
+	static const char f[] = "%pS\n";
+
+	/* runner doesn't search for \t, just ensure it compiles */
+	bpf_printk("\t");
+
+	trace_vprintk_ret = __bpf_vprintk("%s,%d,%s,%d,%s,%d,%s,%d,%s,%d %d\n",
+		one, 2, three, 4, five, 6, seven, 8, nine, 10, ++trace_vprintk_ran);
+
+	/* non-NULL fmt w/ NULL data should result in error */
+	null_data_vprintk_ret = bpf_trace_vprintk(f, sizeof(f), NULL, 0);
+	return 0;
+}
diff --git a/tools/testing/selftests/bpf/progs/tracing_struct.c b/tools/testing/selftests/bpf/progs/tracing_struct.c
new file mode 100644
index 000000000..e718f0ebe
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/tracing_struct.c
@@ -0,0 +1,120 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2022 Meta Platforms, Inc. and affiliates. */
+
+#include <vmlinux.h>
+#include <bpf/bpf_tracing.h>
+#include <bpf/bpf_helpers.h>
+
+struct bpf_testmod_struct_arg_1 {
+	int a;
+};
+struct bpf_testmod_struct_arg_2 {
+	long a;
+	long b;
+};
+
+long t1_a_a, t1_a_b, t1_b, t1_c, t1_ret, t1_nregs;
+__u64 t1_reg0, t1_reg1, t1_reg2, t1_reg3;
+long t2_a, t2_b_a, t2_b_b, t2_c, t2_ret;
+long t3_a, t3_b, t3_c_a, t3_c_b, t3_ret;
+long t4_a_a, t4_b, t4_c, t4_d, t4_e_a, t4_e_b, t4_ret;
+long t5_ret;
+
+SEC("fentry/bpf_testmod_test_struct_arg_1")
+int BPF_PROG2(test_struct_arg_1, struct bpf_testmod_struct_arg_2, a, int, b, int, c)
+{
+	t1_a_a = a.a;
+	t1_a_b = a.b;
+	t1_b = b;
+	t1_c = c;
+	return 0;
+}
+
+SEC("fexit/bpf_testmod_test_struct_arg_1")
+int BPF_PROG2(test_struct_arg_2, struct bpf_testmod_struct_arg_2, a, int, b, int, c, int, ret)
+{
+	t1_nregs =  bpf_get_func_arg_cnt(ctx);
+	/* a.a */
+	bpf_get_func_arg(ctx, 0, &t1_reg0);
+	/* a.b */
+	bpf_get_func_arg(ctx, 1, &t1_reg1);
+	/* b */
+	bpf_get_func_arg(ctx, 2, &t1_reg2);
+	t1_reg2 = (int)t1_reg2;
+	/* c */
+	bpf_get_func_arg(ctx, 3, &t1_reg3);
+	t1_reg3 = (int)t1_reg3;
+
+	t1_ret = ret;
+	return 0;
+}
+
+SEC("fentry/bpf_testmod_test_struct_arg_2")
+int BPF_PROG2(test_struct_arg_3, int, a, struct bpf_testmod_struct_arg_2, b, int, c)
+{
+	t2_a = a;
+	t2_b_a = b.a;
+	t2_b_b = b.b;
+	t2_c = c;
+	return 0;
+}
+
+SEC("fexit/bpf_testmod_test_struct_arg_2")
+int BPF_PROG2(test_struct_arg_4, int, a, struct bpf_testmod_struct_arg_2, b, int, c, int, ret)
+{
+	t2_ret = ret;
+	return 0;
+}
+
+SEC("fentry/bpf_testmod_test_struct_arg_3")
+int BPF_PROG2(test_struct_arg_5, int, a, int, b, struct bpf_testmod_struct_arg_2, c)
+{
+	t3_a = a;
+	t3_b = b;
+	t3_c_a = c.a;
+	t3_c_b = c.b;
+	return 0;
+}
+
+SEC("fexit/bpf_testmod_test_struct_arg_3")
+int BPF_PROG2(test_struct_arg_6, int, a, int, b, struct bpf_testmod_struct_arg_2, c, int, ret)
+{
+	t3_ret = ret;
+	return 0;
+}
+
+SEC("fentry/bpf_testmod_test_struct_arg_4")
+int BPF_PROG2(test_struct_arg_7, struct bpf_testmod_struct_arg_1, a, int, b,
+	     int, c, int, d, struct bpf_testmod_struct_arg_2, e)
+{
+	t4_a_a = a.a;
+	t4_b = b;
+	t4_c = c;
+	t4_d = d;
+	t4_e_a = e.a;
+	t4_e_b = e.b;
+	return 0;
+}
+
+SEC("fexit/bpf_testmod_test_struct_arg_4")
+int BPF_PROG2(test_struct_arg_8, struct bpf_testmod_struct_arg_1, a, int, b,
+	     int, c, int, d, struct bpf_testmod_struct_arg_2, e, int, ret)
+{
+	t4_ret = ret;
+	return 0;
+}
+
+SEC("fentry/bpf_testmod_test_struct_arg_5")
+int BPF_PROG2(test_struct_arg_9)
+{
+	return 0;
+}
+
+SEC("fexit/bpf_testmod_test_struct_arg_5")
+int BPF_PROG2(test_struct_arg_10, int, ret)
+{
+	t5_ret = ret;
+	return 0;
+}
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/trigger_bench.c b/tools/testing/selftests/bpf/progs/trigger_bench.c
new file mode 100644
index 000000000..694e7cec1
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/trigger_bench.c
@@ -0,0 +1,62 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (c) 2020 Facebook
+
+#include <linux/bpf.h>
+#include <asm/unistd.h>
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_tracing.h>
+#include "bpf_misc.h"
+
+char _license[] SEC("license") = "GPL";
+
+long hits = 0;
+
+SEC("tp/syscalls/sys_enter_getpgid")
+int bench_trigger_tp(void *ctx)
+{
+	__sync_add_and_fetch(&hits, 1);
+	return 0;
+}
+
+SEC("raw_tp/sys_enter")
+int BPF_PROG(bench_trigger_raw_tp, struct pt_regs *regs, long id)
+{
+	if (id == __NR_getpgid)
+		__sync_add_and_fetch(&hits, 1);
+	return 0;
+}
+
+SEC("kprobe/" SYS_PREFIX "sys_getpgid")
+int bench_trigger_kprobe(void *ctx)
+{
+	__sync_add_and_fetch(&hits, 1);
+	return 0;
+}
+
+SEC("fentry/" SYS_PREFIX "sys_getpgid")
+int bench_trigger_fentry(void *ctx)
+{
+	__sync_add_and_fetch(&hits, 1);
+	return 0;
+}
+
+SEC("fentry.s/" SYS_PREFIX "sys_getpgid")
+int bench_trigger_fentry_sleep(void *ctx)
+{
+	__sync_add_and_fetch(&hits, 1);
+	return 0;
+}
+
+SEC("fmod_ret/" SYS_PREFIX "sys_getpgid")
+int bench_trigger_fmodret(void *ctx)
+{
+	__sync_add_and_fetch(&hits, 1);
+	return -22;
+}
+
+SEC("uprobe")
+int bench_trigger_uprobe(void *ctx)
+{
+	__sync_add_and_fetch(&hits, 1);
+	return 0;
+}
diff --git a/tools/testing/selftests/bpf/progs/twfw.c b/tools/testing/selftests/bpf/progs/twfw.c
new file mode 100644
index 000000000..de1b18a62
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/twfw.c
@@ -0,0 +1,58 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2021 Facebook */
+#include <linux/types.h>
+#include <bpf/bpf_helpers.h>
+#include <linux/bpf.h>
+#include <stdint.h>
+
+#define TWFW_MAX_TIERS (64)
+/*
+ * load is successful
+ * #define TWFW_MAX_TIERS (64u)$
+ */
+
+struct twfw_tier_value {
+	unsigned long mask[1];
+};
+
+struct rule {
+	uint8_t seqnum;
+};
+
+struct rules_map {
+	__uint(type, BPF_MAP_TYPE_ARRAY);
+	__type(key, __u32);
+	__type(value, struct rule);
+	__uint(max_entries, 1);
+};
+
+struct tiers_map {
+	__uint(type, BPF_MAP_TYPE_ARRAY);
+	__type(key, __u32);
+	__type(value, struct twfw_tier_value);
+	__uint(max_entries, 1);
+};
+
+struct rules_map rules SEC(".maps");
+struct tiers_map tiers SEC(".maps");
+
+SEC("cgroup_skb/ingress")
+int twfw_verifier(struct __sk_buff* skb)
+{
+	const uint32_t key = 0;
+	const struct twfw_tier_value* tier = bpf_map_lookup_elem(&tiers, &key);
+	if (!tier)
+		return 1;
+
+	struct rule* rule = bpf_map_lookup_elem(&rules, &key);
+	if (!rule)
+		return 1;
+
+	if (rule && rule->seqnum < TWFW_MAX_TIERS) {
+		/* rule->seqnum / 64 should always be 0 */
+		unsigned long mask = tier->mask[rule->seqnum / 64];
+		if (mask)
+			return 0;
+	}
+	return 1;
+}
diff --git a/tools/testing/selftests/bpf/progs/udp_limit.c b/tools/testing/selftests/bpf/progs/udp_limit.c
new file mode 100644
index 000000000..165e3c2dd
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/udp_limit.c
@@ -0,0 +1,61 @@
+// SPDX-License-Identifier: GPL-2.0-only
+
+#include <sys/socket.h>
+#include <linux/bpf.h>
+#include <bpf/bpf_helpers.h>
+
+int invocations = 0, in_use = 0;
+
+struct {
+	__uint(type, BPF_MAP_TYPE_SK_STORAGE);
+	__uint(map_flags, BPF_F_NO_PREALLOC);
+	__type(key, int);
+	__type(value, int);
+} sk_map SEC(".maps");
+
+SEC("cgroup/sock_create")
+int sock(struct bpf_sock *ctx)
+{
+	int *sk_storage;
+	__u32 key;
+
+	if (ctx->type != SOCK_DGRAM)
+		return 1;
+
+	sk_storage = bpf_sk_storage_get(&sk_map, ctx, 0,
+					BPF_SK_STORAGE_GET_F_CREATE);
+	if (!sk_storage)
+		return 0;
+	*sk_storage = 0xdeadbeef;
+
+	__sync_fetch_and_add(&invocations, 1);
+
+	if (in_use > 0) {
+		/* BPF_CGROUP_INET_SOCK_RELEASE is _not_ called
+		 * when we return an error from the BPF
+		 * program!
+		 */
+		return 0;
+	}
+
+	__sync_fetch_and_add(&in_use, 1);
+	return 1;
+}
+
+SEC("cgroup/sock_release")
+int sock_release(struct bpf_sock *ctx)
+{
+	int *sk_storage;
+	__u32 key;
+
+	if (ctx->type != SOCK_DGRAM)
+		return 1;
+
+	sk_storage = bpf_sk_storage_get(&sk_map, ctx, 0, 0);
+	if (!sk_storage || *sk_storage != 0xdeadbeef)
+		return 0;
+
+	__sync_fetch_and_add(&invocations, 1);
+	__sync_fetch_and_add(&in_use, -1);
+	return 1;
+}
diff --git a/tools/testing/selftests/bpf/progs/user_ringbuf_fail.c b/tools/testing/selftests/bpf/progs/user_ringbuf_fail.c
new file mode 100644
index 000000000..82aba4529
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/user_ringbuf_fail.c
@@ -0,0 +1,177 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2022 Meta Platforms, Inc. and affiliates. */
+
+#include <linux/bpf.h>
+#include <bpf/bpf_helpers.h>
+#include "bpf_misc.h"
+
+char _license[] SEC("license") = "GPL";
+
+struct sample {
+	int pid;
+	int seq;
+	long value;
+	char comm[16];
+};
+
+struct {
+	__uint(type, BPF_MAP_TYPE_USER_RINGBUF);
+} user_ringbuf SEC(".maps");
+
+static long
+bad_access1(struct bpf_dynptr *dynptr, void *context)
+{
+	const struct sample *sample;
+
+	sample = bpf_dynptr_data(dynptr - 1, 0, sizeof(*sample));
+	bpf_printk("Was able to pass bad pointer %lx\n", (__u64)dynptr - 1);
+
+	return 0;
+}
+
+/* A callback that accesses a dynptr in a bpf_user_ringbuf_drain callback should
+ * not be able to read before the pointer.
+ */
+SEC("?raw_tp/sys_nanosleep")
+int user_ringbuf_callback_bad_access1(void *ctx)
+{
+	bpf_user_ringbuf_drain(&user_ringbuf, bad_access1, NULL, 0);
+
+	return 0;
+}
+
+static long
+bad_access2(struct bpf_dynptr *dynptr, void *context)
+{
+	const struct sample *sample;
+
+	sample = bpf_dynptr_data(dynptr + 1, 0, sizeof(*sample));
+	bpf_printk("Was able to pass bad pointer %lx\n", (__u64)dynptr + 1);
+
+	return 0;
+}
+
+/* A callback that accesses a dynptr in a bpf_user_ringbuf_drain callback should
+ * not be able to read past the end of the pointer.
+ */
+SEC("?raw_tp/sys_nanosleep")
+int user_ringbuf_callback_bad_access2(void *ctx)
+{
+	bpf_user_ringbuf_drain(&user_ringbuf, bad_access2, NULL, 0);
+
+	return 0;
+}
+
+static long
+write_forbidden(struct bpf_dynptr *dynptr, void *context)
+{
+	*((long *)dynptr) = 0;
+
+	return 0;
+}
+
+/* A callback that accesses a dynptr in a bpf_user_ringbuf_drain callback should
+ * not be able to write to that pointer.
+ */
+SEC("?raw_tp/sys_nanosleep")
+int user_ringbuf_callback_write_forbidden(void *ctx)
+{
+	bpf_user_ringbuf_drain(&user_ringbuf, write_forbidden, NULL, 0);
+
+	return 0;
+}
+
+static long
+null_context_write(struct bpf_dynptr *dynptr, void *context)
+{
+	*((__u64 *)context) = 0;
+
+	return 0;
+}
+
+/* A callback that accesses a dynptr in a bpf_user_ringbuf_drain callback should
+ * not be able to write to that pointer.
+ */
+SEC("?raw_tp/sys_nanosleep")
+int user_ringbuf_callback_null_context_write(void *ctx)
+{
+	bpf_user_ringbuf_drain(&user_ringbuf, null_context_write, NULL, 0);
+
+	return 0;
+}
+
+static long
+null_context_read(struct bpf_dynptr *dynptr, void *context)
+{
+	__u64 id = *((__u64 *)context);
+
+	bpf_printk("Read id %lu\n", id);
+
+	return 0;
+}
+
+/* A callback that accesses a dynptr in a bpf_user_ringbuf_drain callback should
+ * not be able to write to that pointer.
+ */
+SEC("?raw_tp/sys_nanosleep")
+int user_ringbuf_callback_null_context_read(void *ctx)
+{
+	bpf_user_ringbuf_drain(&user_ringbuf, null_context_read, NULL, 0);
+
+	return 0;
+}
+
+static long
+try_discard_dynptr(struct bpf_dynptr *dynptr, void *context)
+{
+	bpf_ringbuf_discard_dynptr(dynptr, 0);
+
+	return 0;
+}
+
+/* A callback that accesses a dynptr in a bpf_user_ringbuf_drain callback should
+ * not be able to read past the end of the pointer.
+ */
+SEC("?raw_tp/sys_nanosleep")
+int user_ringbuf_callback_discard_dynptr(void *ctx)
+{
+	bpf_user_ringbuf_drain(&user_ringbuf, try_discard_dynptr, NULL, 0);
+
+	return 0;
+}
+
+static long
+try_submit_dynptr(struct bpf_dynptr *dynptr, void *context)
+{
+	bpf_ringbuf_submit_dynptr(dynptr, 0);
+
+	return 0;
+}
+
+/* A callback that accesses a dynptr in a bpf_user_ringbuf_drain callback should
+ * not be able to read past the end of the pointer.
+ */
+SEC("?raw_tp/sys_nanosleep")
+int user_ringbuf_callback_submit_dynptr(void *ctx)
+{
+	bpf_user_ringbuf_drain(&user_ringbuf, try_submit_dynptr, NULL, 0);
+
+	return 0;
+}
+
+static long
+invalid_drain_callback_return(struct bpf_dynptr *dynptr, void *context)
+{
+	return 2;
+}
+
+/* A callback that accesses a dynptr in a bpf_user_ringbuf_drain callback should
+ * not be able to write to that pointer.
+ */
+SEC("?raw_tp/sys_nanosleep")
+int user_ringbuf_callback_invalid_return(void *ctx)
+{
+	bpf_user_ringbuf_drain(&user_ringbuf, invalid_drain_callback_return, NULL, 0);
+
+	return 0;
+}
diff --git a/tools/testing/selftests/bpf/progs/user_ringbuf_success.c b/tools/testing/selftests/bpf/progs/user_ringbuf_success.c
new file mode 100644
index 000000000..b39093dd5
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/user_ringbuf_success.c
@@ -0,0 +1,218 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2022 Meta Platforms, Inc. and affiliates. */
+
+#include <linux/bpf.h>
+#include <bpf/bpf_helpers.h>
+#include "bpf_misc.h"
+#include "test_user_ringbuf.h"
+
+char _license[] SEC("license") = "GPL";
+
+struct {
+	__uint(type, BPF_MAP_TYPE_USER_RINGBUF);
+} user_ringbuf SEC(".maps");
+
+struct {
+	__uint(type, BPF_MAP_TYPE_RINGBUF);
+} kernel_ringbuf SEC(".maps");
+
+/* inputs */
+int pid, err, val;
+
+int read = 0;
+
+/* Counter used for end-to-end protocol test */
+__u64 kern_mutated = 0;
+__u64 user_mutated = 0;
+__u64 expected_user_mutated = 0;
+
+static int
+is_test_process(void)
+{
+	int cur_pid = bpf_get_current_pid_tgid() >> 32;
+
+	return cur_pid == pid;
+}
+
+static long
+record_sample(struct bpf_dynptr *dynptr, void *context)
+{
+	const struct sample *sample = NULL;
+	struct sample stack_sample;
+	int status;
+	static int num_calls;
+
+	if (num_calls++ % 2 == 0) {
+		status = bpf_dynptr_read(&stack_sample, sizeof(stack_sample), dynptr, 0, 0);
+		if (status) {
+			bpf_printk("bpf_dynptr_read() failed: %d\n", status);
+			err = 1;
+			return 1;
+		}
+	} else {
+		sample = bpf_dynptr_data(dynptr, 0, sizeof(*sample));
+		if (!sample) {
+			bpf_printk("Unexpectedly failed to get sample\n");
+			err = 2;
+			return 1;
+		}
+		stack_sample = *sample;
+	}
+
+	__sync_fetch_and_add(&read, 1);
+	return 0;
+}
+
+static void
+handle_sample_msg(const struct test_msg *msg)
+{
+	switch (msg->msg_op) {
+	case TEST_MSG_OP_INC64:
+		kern_mutated += msg->operand_64;
+		break;
+	case TEST_MSG_OP_INC32:
+		kern_mutated += msg->operand_32;
+		break;
+	case TEST_MSG_OP_MUL64:
+		kern_mutated *= msg->operand_64;
+		break;
+	case TEST_MSG_OP_MUL32:
+		kern_mutated *= msg->operand_32;
+		break;
+	default:
+		bpf_printk("Unrecognized op %d\n", msg->msg_op);
+		err = 2;
+	}
+}
+
+static long
+read_protocol_msg(struct bpf_dynptr *dynptr, void *context)
+{
+	const struct test_msg *msg = NULL;
+
+	msg = bpf_dynptr_data(dynptr, 0, sizeof(*msg));
+	if (!msg) {
+		err = 1;
+		bpf_printk("Unexpectedly failed to get msg\n");
+		return 0;
+	}
+
+	handle_sample_msg(msg);
+
+	return 0;
+}
+
+static int publish_next_kern_msg(__u32 index, void *context)
+{
+	struct test_msg *msg = NULL;
+	int operand_64 = TEST_OP_64;
+	int operand_32 = TEST_OP_32;
+
+	msg = bpf_ringbuf_reserve(&kernel_ringbuf, sizeof(*msg), 0);
+	if (!msg) {
+		err = 4;
+		return 1;
+	}
+
+	switch (index % TEST_MSG_OP_NUM_OPS) {
+	case TEST_MSG_OP_INC64:
+		msg->operand_64 = operand_64;
+		msg->msg_op = TEST_MSG_OP_INC64;
+		expected_user_mutated += operand_64;
+		break;
+	case TEST_MSG_OP_INC32:
+		msg->operand_32 = operand_32;
+		msg->msg_op = TEST_MSG_OP_INC32;
+		expected_user_mutated += operand_32;
+		break;
+	case TEST_MSG_OP_MUL64:
+		msg->operand_64 = operand_64;
+		msg->msg_op = TEST_MSG_OP_MUL64;
+		expected_user_mutated *= operand_64;
+		break;
+	case TEST_MSG_OP_MUL32:
+		msg->operand_32 = operand_32;
+		msg->msg_op = TEST_MSG_OP_MUL32;
+		expected_user_mutated *= operand_32;
+		break;
+	default:
+		bpf_ringbuf_discard(msg, 0);
+		err = 5;
+		return 1;
+	}
+
+	bpf_ringbuf_submit(msg, 0);
+
+	return 0;
+}
+
+static void
+publish_kern_messages(void)
+{
+	if (expected_user_mutated != user_mutated) {
+		bpf_printk("%lu != %lu\n", expected_user_mutated, user_mutated);
+		err = 3;
+		return;
+	}
+
+	bpf_loop(8, publish_next_kern_msg, NULL, 0);
+}
+
+SEC("fentry/" SYS_PREFIX "sys_prctl")
+int test_user_ringbuf_protocol(void *ctx)
+{
+	long status = 0;
+	struct sample *sample = NULL;
+	struct bpf_dynptr ptr;
+
+	if (!is_test_process())
+		return 0;
+
+	status = bpf_user_ringbuf_drain(&user_ringbuf, read_protocol_msg, NULL, 0);
+	if (status < 0) {
+		bpf_printk("Drain returned: %ld\n", status);
+		err = 1;
+		return 0;
+	}
+
+	publish_kern_messages();
+
+	return 0;
+}
+
+SEC("fentry/" SYS_PREFIX "sys_getpgid")
+int test_user_ringbuf(void *ctx)
+{
+	int status = 0;
+	struct sample *sample = NULL;
+	struct bpf_dynptr ptr;
+
+	if (!is_test_process())
+		return 0;
+
+	err = bpf_user_ringbuf_drain(&user_ringbuf, record_sample, NULL, 0);
+
+	return 0;
+}
+
+static long
+do_nothing_cb(struct bpf_dynptr *dynptr, void *context)
+{
+	__sync_fetch_and_add(&read, 1);
+	return 0;
+}
+
+SEC("fentry/" SYS_PREFIX "sys_getrlimit")
+int test_user_ringbuf_epoll(void *ctx)
+{
+	long num_samples;
+
+	if (!is_test_process())
+		return 0;
+
+	num_samples = bpf_user_ringbuf_drain(&user_ringbuf, do_nothing_cb, NULL, 0);
+	if (num_samples <= 0)
+		err = 1;
+
+	return 0;
+}
diff --git a/tools/testing/selftests/bpf/progs/xdp_dummy.c b/tools/testing/selftests/bpf/progs/xdp_dummy.c
new file mode 100644
index 000000000..d988b2e0c
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/xdp_dummy.c
@@ -0,0 +1,13 @@
+// SPDX-License-Identifier: GPL-2.0
+
+#define KBUILD_MODNAME "xdp_dummy"
+#include <linux/bpf.h>
+#include <bpf/bpf_helpers.h>
+
+SEC("xdp")
+int xdp_dummy_prog(struct xdp_md *ctx)
+{
+	return XDP_PASS;
+}
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/xdp_redirect_map.c b/tools/testing/selftests/bpf/progs/xdp_redirect_map.c
new file mode 100644
index 000000000..d037262c8
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/xdp_redirect_map.c
@@ -0,0 +1,31 @@
+// SPDX-License-Identifier: GPL-2.0
+
+#include <linux/bpf.h>
+#include <bpf/bpf_helpers.h>
+
+struct {
+	__uint(type, BPF_MAP_TYPE_DEVMAP);
+	__uint(max_entries, 8);
+	__uint(key_size, sizeof(int));
+	__uint(value_size, sizeof(int));
+} tx_port SEC(".maps");
+
+SEC("redirect_map_0")
+int xdp_redirect_map_0(struct xdp_md *xdp)
+{
+	return bpf_redirect_map(&tx_port, 0, 0);
+}
+
+SEC("redirect_map_1")
+int xdp_redirect_map_1(struct xdp_md *xdp)
+{
+	return bpf_redirect_map(&tx_port, 1, 0);
+}
+
+SEC("redirect_map_2")
+int xdp_redirect_map_2(struct xdp_md *xdp)
+{
+	return bpf_redirect_map(&tx_port, 2, 0);
+}
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/xdp_redirect_multi_kern.c b/tools/testing/selftests/bpf/progs/xdp_redirect_multi_kern.c
new file mode 100644
index 000000000..97b26a30b
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/xdp_redirect_multi_kern.c
@@ -0,0 +1,94 @@
+// SPDX-License-Identifier: GPL-2.0
+#define KBUILD_MODNAME "foo"
+#include <string.h>
+#include <linux/in.h>
+#include <linux/if_ether.h>
+#include <linux/if_packet.h>
+#include <linux/ip.h>
+#include <linux/ipv6.h>
+
+#include <linux/bpf.h>
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_endian.h>
+
+/* One map use devmap, another one use devmap_hash for testing */
+struct {
+	__uint(type, BPF_MAP_TYPE_DEVMAP);
+	__uint(key_size, sizeof(int));
+	__uint(value_size, sizeof(int));
+	__uint(max_entries, 1024);
+} map_all SEC(".maps");
+
+struct {
+	__uint(type, BPF_MAP_TYPE_DEVMAP_HASH);
+	__uint(key_size, sizeof(int));
+	__uint(value_size, sizeof(struct bpf_devmap_val));
+	__uint(max_entries, 128);
+} map_egress SEC(".maps");
+
+/* map to store egress interfaces mac addresses */
+struct {
+	__uint(type, BPF_MAP_TYPE_HASH);
+	__type(key, __u32);
+	__type(value, __be64);
+	__uint(max_entries, 128);
+} mac_map SEC(".maps");
+
+SEC("xdp")
+int xdp_redirect_map_multi_prog(struct xdp_md *ctx)
+{
+	void *data_end = (void *)(long)ctx->data_end;
+	void *data = (void *)(long)ctx->data;
+	int if_index = ctx->ingress_ifindex;
+	struct ethhdr *eth = data;
+	__u16 h_proto;
+	__u64 nh_off;
+
+	nh_off = sizeof(*eth);
+	if (data + nh_off > data_end)
+		return XDP_DROP;
+
+	h_proto = eth->h_proto;
+
+	/* Using IPv4 for (BPF_F_BROADCAST | BPF_F_EXCLUDE_INGRESS) testing */
+	if (h_proto == bpf_htons(ETH_P_IP))
+		return bpf_redirect_map(&map_all, 0,
+					BPF_F_BROADCAST | BPF_F_EXCLUDE_INGRESS);
+	/* Using IPv6 for none flag testing */
+	else if (h_proto == bpf_htons(ETH_P_IPV6))
+		return bpf_redirect_map(&map_all, if_index, 0);
+	/* All others for BPF_F_BROADCAST testing */
+	else
+		return bpf_redirect_map(&map_all, 0, BPF_F_BROADCAST);
+}
+
+/* The following 2 progs are for 2nd devmap prog testing */
+SEC("xdp")
+int xdp_redirect_map_all_prog(struct xdp_md *ctx)
+{
+	return bpf_redirect_map(&map_egress, 0,
+				BPF_F_BROADCAST | BPF_F_EXCLUDE_INGRESS);
+}
+
+SEC("xdp/devmap")
+int xdp_devmap_prog(struct xdp_md *ctx)
+{
+	void *data_end = (void *)(long)ctx->data_end;
+	void *data = (void *)(long)ctx->data;
+	__u32 key = ctx->egress_ifindex;
+	struct ethhdr *eth = data;
+	__u64 nh_off;
+	__be64 *mac;
+
+	nh_off = sizeof(*eth);
+	if (data + nh_off > data_end)
+		return XDP_DROP;
+
+	mac = bpf_map_lookup_elem(&mac_map, &key);
+	if (mac)
+		__builtin_memcpy(eth->h_source, mac, ETH_ALEN);
+
+	return XDP_PASS;
+}
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/xdp_synproxy_kern.c b/tools/testing/selftests/bpf/progs/xdp_synproxy_kern.c
new file mode 100644
index 000000000..26bfbc73d
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/xdp_synproxy_kern.c
@@ -0,0 +1,843 @@
+// SPDX-License-Identifier: LGPL-2.1 OR BSD-2-Clause
+/* Copyright (c) 2022, NVIDIA CORPORATION & AFFILIATES. All rights reserved. */
+
+#include "vmlinux.h"
+
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_endian.h>
+#include <asm/errno.h>
+
+#define TC_ACT_OK 0
+#define TC_ACT_SHOT 2
+
+#define NSEC_PER_SEC 1000000000L
+
+#define ETH_ALEN 6
+#define ETH_P_IP 0x0800
+#define ETH_P_IPV6 0x86DD
+
+#define tcp_flag_word(tp) (((union tcp_word_hdr *)(tp))->words[3])
+
+#define IP_DF 0x4000
+#define IP_MF 0x2000
+#define IP_OFFSET 0x1fff
+
+#define NEXTHDR_TCP 6
+
+#define TCPOPT_NOP 1
+#define TCPOPT_EOL 0
+#define TCPOPT_MSS 2
+#define TCPOPT_WINDOW 3
+#define TCPOPT_SACK_PERM 4
+#define TCPOPT_TIMESTAMP 8
+
+#define TCPOLEN_MSS 4
+#define TCPOLEN_WINDOW 3
+#define TCPOLEN_SACK_PERM 2
+#define TCPOLEN_TIMESTAMP 10
+
+#define TCP_TS_HZ 1000
+#define TS_OPT_WSCALE_MASK 0xf
+#define TS_OPT_SACK (1 << 4)
+#define TS_OPT_ECN (1 << 5)
+#define TSBITS 6
+#define TSMASK (((__u32)1 << TSBITS) - 1)
+#define TCP_MAX_WSCALE 14U
+
+#define IPV4_MAXLEN 60
+#define TCP_MAXLEN 60
+
+#define DEFAULT_MSS4 1460
+#define DEFAULT_MSS6 1440
+#define DEFAULT_WSCALE 7
+#define DEFAULT_TTL 64
+#define MAX_ALLOWED_PORTS 8
+
+#define swap(a, b) \
+	do { typeof(a) __tmp = (a); (a) = (b); (b) = __tmp; } while (0)
+
+#define __get_unaligned_t(type, ptr) ({						\
+	const struct { type x; } __attribute__((__packed__)) *__pptr = (typeof(__pptr))(ptr); \
+	__pptr->x;								\
+})
+
+#define get_unaligned(ptr) __get_unaligned_t(typeof(*(ptr)), (ptr))
+
+struct {
+	__uint(type, BPF_MAP_TYPE_ARRAY);
+	__type(key, __u32);
+	__type(value, __u64);
+	__uint(max_entries, 2);
+} values SEC(".maps");
+
+struct {
+	__uint(type, BPF_MAP_TYPE_ARRAY);
+	__type(key, __u32);
+	__type(value, __u16);
+	__uint(max_entries, MAX_ALLOWED_PORTS);
+} allowed_ports SEC(".maps");
+
+/* Some symbols defined in net/netfilter/nf_conntrack_bpf.c are unavailable in
+ * vmlinux.h if CONFIG_NF_CONNTRACK=m, so they are redefined locally.
+ */
+
+struct bpf_ct_opts___local {
+	s32 netns_id;
+	s32 error;
+	u8 l4proto;
+	u8 dir;
+	u8 reserved[2];
+} __attribute__((preserve_access_index));
+
+#define BPF_F_CURRENT_NETNS (-1)
+
+extern struct nf_conn *bpf_xdp_ct_lookup(struct xdp_md *xdp_ctx,
+					 struct bpf_sock_tuple *bpf_tuple,
+					 __u32 len_tuple,
+					 struct bpf_ct_opts___local *opts,
+					 __u32 len_opts) __ksym;
+
+extern struct nf_conn *bpf_skb_ct_lookup(struct __sk_buff *skb_ctx,
+					 struct bpf_sock_tuple *bpf_tuple,
+					 u32 len_tuple,
+					 struct bpf_ct_opts___local *opts,
+					 u32 len_opts) __ksym;
+
+extern void bpf_ct_release(struct nf_conn *ct) __ksym;
+
+static __always_inline void swap_eth_addr(__u8 *a, __u8 *b)
+{
+	__u8 tmp[ETH_ALEN];
+
+	__builtin_memcpy(tmp, a, ETH_ALEN);
+	__builtin_memcpy(a, b, ETH_ALEN);
+	__builtin_memcpy(b, tmp, ETH_ALEN);
+}
+
+static __always_inline __u16 csum_fold(__u32 csum)
+{
+	csum = (csum & 0xffff) + (csum >> 16);
+	csum = (csum & 0xffff) + (csum >> 16);
+	return (__u16)~csum;
+}
+
+static __always_inline __u16 csum_tcpudp_magic(__be32 saddr, __be32 daddr,
+					       __u32 len, __u8 proto,
+					       __u32 csum)
+{
+	__u64 s = csum;
+
+	s += (__u32)saddr;
+	s += (__u32)daddr;
+#if __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
+	s += proto + len;
+#elif __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
+	s += (proto + len) << 8;
+#else
+#error Unknown endian
+#endif
+	s = (s & 0xffffffff) + (s >> 32);
+	s = (s & 0xffffffff) + (s >> 32);
+
+	return csum_fold((__u32)s);
+}
+
+static __always_inline __u16 csum_ipv6_magic(const struct in6_addr *saddr,
+					     const struct in6_addr *daddr,
+					     __u32 len, __u8 proto, __u32 csum)
+{
+	__u64 sum = csum;
+	int i;
+
+#pragma unroll
+	for (i = 0; i < 4; i++)
+		sum += (__u32)saddr->in6_u.u6_addr32[i];
+
+#pragma unroll
+	for (i = 0; i < 4; i++)
+		sum += (__u32)daddr->in6_u.u6_addr32[i];
+
+	/* Don't combine additions to avoid 32-bit overflow. */
+	sum += bpf_htonl(len);
+	sum += bpf_htonl(proto);
+
+	sum = (sum & 0xffffffff) + (sum >> 32);
+	sum = (sum & 0xffffffff) + (sum >> 32);
+
+	return csum_fold((__u32)sum);
+}
+
+static __always_inline __u64 tcp_clock_ns(void)
+{
+	return bpf_ktime_get_ns();
+}
+
+static __always_inline __u32 tcp_ns_to_ts(__u64 ns)
+{
+	return ns / (NSEC_PER_SEC / TCP_TS_HZ);
+}
+
+static __always_inline __u32 tcp_time_stamp_raw(void)
+{
+	return tcp_ns_to_ts(tcp_clock_ns());
+}
+
+struct tcpopt_context {
+	__u8 *ptr;
+	__u8 *end;
+	void *data_end;
+	__be32 *tsecr;
+	__u8 wscale;
+	bool option_timestamp;
+	bool option_sack;
+};
+
+static int tscookie_tcpopt_parse(struct tcpopt_context *ctx)
+{
+	__u8 opcode, opsize;
+
+	if (ctx->ptr >= ctx->end)
+		return 1;
+	if (ctx->ptr >= ctx->data_end)
+		return 1;
+
+	opcode = ctx->ptr[0];
+
+	if (opcode == TCPOPT_EOL)
+		return 1;
+	if (opcode == TCPOPT_NOP) {
+		++ctx->ptr;
+		return 0;
+	}
+
+	if (ctx->ptr + 1 >= ctx->end)
+		return 1;
+	if (ctx->ptr + 1 >= ctx->data_end)
+		return 1;
+	opsize = ctx->ptr[1];
+	if (opsize < 2)
+		return 1;
+
+	if (ctx->ptr + opsize > ctx->end)
+		return 1;
+
+	switch (opcode) {
+	case TCPOPT_WINDOW:
+		if (opsize == TCPOLEN_WINDOW && ctx->ptr + TCPOLEN_WINDOW <= ctx->data_end)
+			ctx->wscale = ctx->ptr[2] < TCP_MAX_WSCALE ? ctx->ptr[2] : TCP_MAX_WSCALE;
+		break;
+	case TCPOPT_TIMESTAMP:
+		if (opsize == TCPOLEN_TIMESTAMP && ctx->ptr + TCPOLEN_TIMESTAMP <= ctx->data_end) {
+			ctx->option_timestamp = true;
+			/* Client's tsval becomes our tsecr. */
+			*ctx->tsecr = get_unaligned((__be32 *)(ctx->ptr + 2));
+		}
+		break;
+	case TCPOPT_SACK_PERM:
+		if (opsize == TCPOLEN_SACK_PERM)
+			ctx->option_sack = true;
+		break;
+	}
+
+	ctx->ptr += opsize;
+
+	return 0;
+}
+
+static int tscookie_tcpopt_parse_batch(__u32 index, void *context)
+{
+	int i;
+
+	for (i = 0; i < 7; i++)
+		if (tscookie_tcpopt_parse(context))
+			return 1;
+	return 0;
+}
+
+static __always_inline bool tscookie_init(struct tcphdr *tcp_header,
+					  __u16 tcp_len, __be32 *tsval,
+					  __be32 *tsecr, void *data_end)
+{
+	struct tcpopt_context loop_ctx = {
+		.ptr = (__u8 *)(tcp_header + 1),
+		.end = (__u8 *)tcp_header + tcp_len,
+		.data_end = data_end,
+		.tsecr = tsecr,
+		.wscale = TS_OPT_WSCALE_MASK,
+		.option_timestamp = false,
+		.option_sack = false,
+	};
+	u32 cookie;
+
+	bpf_loop(6, tscookie_tcpopt_parse_batch, &loop_ctx, 0);
+
+	if (!loop_ctx.option_timestamp)
+		return false;
+
+	cookie = tcp_time_stamp_raw() & ~TSMASK;
+	cookie |= loop_ctx.wscale & TS_OPT_WSCALE_MASK;
+	if (loop_ctx.option_sack)
+		cookie |= TS_OPT_SACK;
+	if (tcp_header->ece && tcp_header->cwr)
+		cookie |= TS_OPT_ECN;
+	*tsval = bpf_htonl(cookie);
+
+	return true;
+}
+
+static __always_inline void values_get_tcpipopts(__u16 *mss, __u8 *wscale,
+						 __u8 *ttl, bool ipv6)
+{
+	__u32 key = 0;
+	__u64 *value;
+
+	value = bpf_map_lookup_elem(&values, &key);
+	if (value && *value != 0) {
+		if (ipv6)
+			*mss = (*value >> 32) & 0xffff;
+		else
+			*mss = *value & 0xffff;
+		*wscale = (*value >> 16) & 0xf;
+		*ttl = (*value >> 24) & 0xff;
+		return;
+	}
+
+	*mss = ipv6 ? DEFAULT_MSS6 : DEFAULT_MSS4;
+	*wscale = DEFAULT_WSCALE;
+	*ttl = DEFAULT_TTL;
+}
+
+static __always_inline void values_inc_synacks(void)
+{
+	__u32 key = 1;
+	__u32 *value;
+
+	value = bpf_map_lookup_elem(&values, &key);
+	if (value)
+		__sync_fetch_and_add(value, 1);
+}
+
+static __always_inline bool check_port_allowed(__u16 port)
+{
+	__u32 i;
+
+	for (i = 0; i < MAX_ALLOWED_PORTS; i++) {
+		__u32 key = i;
+		__u16 *value;
+
+		value = bpf_map_lookup_elem(&allowed_ports, &key);
+
+		if (!value)
+			break;
+		/* 0 is a terminator value. Check it first to avoid matching on
+		 * a forbidden port == 0 and returning true.
+		 */
+		if (*value == 0)
+			break;
+
+		if (*value == port)
+			return true;
+	}
+
+	return false;
+}
+
+struct header_pointers {
+	struct ethhdr *eth;
+	struct iphdr *ipv4;
+	struct ipv6hdr *ipv6;
+	struct tcphdr *tcp;
+	__u16 tcp_len;
+};
+
+static __always_inline int tcp_dissect(void *data, void *data_end,
+				       struct header_pointers *hdr)
+{
+	hdr->eth = data;
+	if (hdr->eth + 1 > data_end)
+		return XDP_DROP;
+
+	switch (bpf_ntohs(hdr->eth->h_proto)) {
+	case ETH_P_IP:
+		hdr->ipv6 = NULL;
+
+		hdr->ipv4 = (void *)hdr->eth + sizeof(*hdr->eth);
+		if (hdr->ipv4 + 1 > data_end)
+			return XDP_DROP;
+		if (hdr->ipv4->ihl * 4 < sizeof(*hdr->ipv4))
+			return XDP_DROP;
+		if (hdr->ipv4->version != 4)
+			return XDP_DROP;
+
+		if (hdr->ipv4->protocol != IPPROTO_TCP)
+			return XDP_PASS;
+
+		hdr->tcp = (void *)hdr->ipv4 + hdr->ipv4->ihl * 4;
+		break;
+	case ETH_P_IPV6:
+		hdr->ipv4 = NULL;
+
+		hdr->ipv6 = (void *)hdr->eth + sizeof(*hdr->eth);
+		if (hdr->ipv6 + 1 > data_end)
+			return XDP_DROP;
+		if (hdr->ipv6->version != 6)
+			return XDP_DROP;
+
+		/* XXX: Extension headers are not supported and could circumvent
+		 * XDP SYN flood protection.
+		 */
+		if (hdr->ipv6->nexthdr != NEXTHDR_TCP)
+			return XDP_PASS;
+
+		hdr->tcp = (void *)hdr->ipv6 + sizeof(*hdr->ipv6);
+		break;
+	default:
+		/* XXX: VLANs will circumvent XDP SYN flood protection. */
+		return XDP_PASS;
+	}
+
+	if (hdr->tcp + 1 > data_end)
+		return XDP_DROP;
+	hdr->tcp_len = hdr->tcp->doff * 4;
+	if (hdr->tcp_len < sizeof(*hdr->tcp))
+		return XDP_DROP;
+
+	return XDP_TX;
+}
+
+static __always_inline int tcp_lookup(void *ctx, struct header_pointers *hdr, bool xdp)
+{
+	struct bpf_ct_opts___local ct_lookup_opts = {
+		.netns_id = BPF_F_CURRENT_NETNS,
+		.l4proto = IPPROTO_TCP,
+	};
+	struct bpf_sock_tuple tup = {};
+	struct nf_conn *ct;
+	__u32 tup_size;
+
+	if (hdr->ipv4) {
+		/* TCP doesn't normally use fragments, and XDP can't reassemble
+		 * them.
+		 */
+		if ((hdr->ipv4->frag_off & bpf_htons(IP_DF | IP_MF | IP_OFFSET)) != bpf_htons(IP_DF))
+			return XDP_DROP;
+
+		tup.ipv4.saddr = hdr->ipv4->saddr;
+		tup.ipv4.daddr = hdr->ipv4->daddr;
+		tup.ipv4.sport = hdr->tcp->source;
+		tup.ipv4.dport = hdr->tcp->dest;
+		tup_size = sizeof(tup.ipv4);
+	} else if (hdr->ipv6) {
+		__builtin_memcpy(tup.ipv6.saddr, &hdr->ipv6->saddr, sizeof(tup.ipv6.saddr));
+		__builtin_memcpy(tup.ipv6.daddr, &hdr->ipv6->daddr, sizeof(tup.ipv6.daddr));
+		tup.ipv6.sport = hdr->tcp->source;
+		tup.ipv6.dport = hdr->tcp->dest;
+		tup_size = sizeof(tup.ipv6);
+	} else {
+		/* The verifier can't track that either ipv4 or ipv6 is not
+		 * NULL.
+		 */
+		return XDP_ABORTED;
+	}
+	if (xdp)
+		ct = bpf_xdp_ct_lookup(ctx, &tup, tup_size, &ct_lookup_opts, sizeof(ct_lookup_opts));
+	else
+		ct = bpf_skb_ct_lookup(ctx, &tup, tup_size, &ct_lookup_opts, sizeof(ct_lookup_opts));
+	if (ct) {
+		unsigned long status = ct->status;
+
+		bpf_ct_release(ct);
+		if (status & IPS_CONFIRMED)
+			return XDP_PASS;
+	} else if (ct_lookup_opts.error != -ENOENT) {
+		return XDP_ABORTED;
+	}
+
+	/* error == -ENOENT || !(status & IPS_CONFIRMED) */
+	return XDP_TX;
+}
+
+static __always_inline __u8 tcp_mkoptions(__be32 *buf, __be32 *tsopt, __u16 mss,
+					  __u8 wscale)
+{
+	__be32 *start = buf;
+
+	*buf++ = bpf_htonl((TCPOPT_MSS << 24) | (TCPOLEN_MSS << 16) | mss);
+
+	if (!tsopt)
+		return buf - start;
+
+	if (tsopt[0] & bpf_htonl(1 << 4))
+		*buf++ = bpf_htonl((TCPOPT_SACK_PERM << 24) |
+				   (TCPOLEN_SACK_PERM << 16) |
+				   (TCPOPT_TIMESTAMP << 8) |
+				   TCPOLEN_TIMESTAMP);
+	else
+		*buf++ = bpf_htonl((TCPOPT_NOP << 24) |
+				   (TCPOPT_NOP << 16) |
+				   (TCPOPT_TIMESTAMP << 8) |
+				   TCPOLEN_TIMESTAMP);
+	*buf++ = tsopt[0];
+	*buf++ = tsopt[1];
+
+	if ((tsopt[0] & bpf_htonl(0xf)) != bpf_htonl(0xf))
+		*buf++ = bpf_htonl((TCPOPT_NOP << 24) |
+				   (TCPOPT_WINDOW << 16) |
+				   (TCPOLEN_WINDOW << 8) |
+				   wscale);
+
+	return buf - start;
+}
+
+static __always_inline void tcp_gen_synack(struct tcphdr *tcp_header,
+					   __u32 cookie, __be32 *tsopt,
+					   __u16 mss, __u8 wscale)
+{
+	void *tcp_options;
+
+	tcp_flag_word(tcp_header) = TCP_FLAG_SYN | TCP_FLAG_ACK;
+	if (tsopt && (tsopt[0] & bpf_htonl(1 << 5)))
+		tcp_flag_word(tcp_header) |= TCP_FLAG_ECE;
+	tcp_header->doff = 5; /* doff is part of tcp_flag_word. */
+	swap(tcp_header->source, tcp_header->dest);
+	tcp_header->ack_seq = bpf_htonl(bpf_ntohl(tcp_header->seq) + 1);
+	tcp_header->seq = bpf_htonl(cookie);
+	tcp_header->window = 0;
+	tcp_header->urg_ptr = 0;
+	tcp_header->check = 0; /* Calculate checksum later. */
+
+	tcp_options = (void *)(tcp_header + 1);
+	tcp_header->doff += tcp_mkoptions(tcp_options, tsopt, mss, wscale);
+}
+
+static __always_inline void tcpv4_gen_synack(struct header_pointers *hdr,
+					     __u32 cookie, __be32 *tsopt)
+{
+	__u8 wscale;
+	__u16 mss;
+	__u8 ttl;
+
+	values_get_tcpipopts(&mss, &wscale, &ttl, false);
+
+	swap_eth_addr(hdr->eth->h_source, hdr->eth->h_dest);
+
+	swap(hdr->ipv4->saddr, hdr->ipv4->daddr);
+	hdr->ipv4->check = 0; /* Calculate checksum later. */
+	hdr->ipv4->tos = 0;
+	hdr->ipv4->id = 0;
+	hdr->ipv4->ttl = ttl;
+
+	tcp_gen_synack(hdr->tcp, cookie, tsopt, mss, wscale);
+
+	hdr->tcp_len = hdr->tcp->doff * 4;
+	hdr->ipv4->tot_len = bpf_htons(sizeof(*hdr->ipv4) + hdr->tcp_len);
+}
+
+static __always_inline void tcpv6_gen_synack(struct header_pointers *hdr,
+					     __u32 cookie, __be32 *tsopt)
+{
+	__u8 wscale;
+	__u16 mss;
+	__u8 ttl;
+
+	values_get_tcpipopts(&mss, &wscale, &ttl, true);
+
+	swap_eth_addr(hdr->eth->h_source, hdr->eth->h_dest);
+
+	swap(hdr->ipv6->saddr, hdr->ipv6->daddr);
+	*(__be32 *)hdr->ipv6 = bpf_htonl(0x60000000);
+	hdr->ipv6->hop_limit = ttl;
+
+	tcp_gen_synack(hdr->tcp, cookie, tsopt, mss, wscale);
+
+	hdr->tcp_len = hdr->tcp->doff * 4;
+	hdr->ipv6->payload_len = bpf_htons(hdr->tcp_len);
+}
+
+static __always_inline int syncookie_handle_syn(struct header_pointers *hdr,
+						void *ctx,
+						void *data, void *data_end,
+						bool xdp)
+{
+	__u32 old_pkt_size, new_pkt_size;
+	/* Unlike clang 10, clang 11 and 12 generate code that doesn't pass the
+	 * BPF verifier if tsopt is not volatile. Volatile forces it to store
+	 * the pointer value and use it directly, otherwise tcp_mkoptions is
+	 * (mis)compiled like this:
+	 *   if (!tsopt)
+	 *       return buf - start;
+	 *   reg = stored_return_value_of_tscookie_init;
+	 *   if (reg)
+	 *       tsopt = tsopt_buf;
+	 *   else
+	 *       tsopt = NULL;
+	 *   ...
+	 *   *buf++ = tsopt[1];
+	 * It creates a dead branch where tsopt is assigned NULL, but the
+	 * verifier can't prove it's dead and blocks the program.
+	 */
+	__be32 * volatile tsopt = NULL;
+	__be32 tsopt_buf[2] = {};
+	__u16 ip_len;
+	__u32 cookie;
+	__s64 value;
+
+	/* Checksum is not yet verified, but both checksum failure and TCP
+	 * header checks return XDP_DROP, so the order doesn't matter.
+	 */
+	if (hdr->tcp->fin || hdr->tcp->rst)
+		return XDP_DROP;
+
+	/* Issue SYN cookies on allowed ports, drop SYN packets on blocked
+	 * ports.
+	 */
+	if (!check_port_allowed(bpf_ntohs(hdr->tcp->dest)))
+		return XDP_DROP;
+
+	if (hdr->ipv4) {
+		/* Check the IPv4 and TCP checksums before creating a SYNACK. */
+		value = bpf_csum_diff(0, 0, (void *)hdr->ipv4, hdr->ipv4->ihl * 4, 0);
+		if (value < 0)
+			return XDP_ABORTED;
+		if (csum_fold(value) != 0)
+			return XDP_DROP; /* Bad IPv4 checksum. */
+
+		value = bpf_csum_diff(0, 0, (void *)hdr->tcp, hdr->tcp_len, 0);
+		if (value < 0)
+			return XDP_ABORTED;
+		if (csum_tcpudp_magic(hdr->ipv4->saddr, hdr->ipv4->daddr,
+				      hdr->tcp_len, IPPROTO_TCP, value) != 0)
+			return XDP_DROP; /* Bad TCP checksum. */
+
+		ip_len = sizeof(*hdr->ipv4);
+
+		value = bpf_tcp_raw_gen_syncookie_ipv4(hdr->ipv4, hdr->tcp,
+						       hdr->tcp_len);
+	} else if (hdr->ipv6) {
+		/* Check the TCP checksum before creating a SYNACK. */
+		value = bpf_csum_diff(0, 0, (void *)hdr->tcp, hdr->tcp_len, 0);
+		if (value < 0)
+			return XDP_ABORTED;
+		if (csum_ipv6_magic(&hdr->ipv6->saddr, &hdr->ipv6->daddr,
+				    hdr->tcp_len, IPPROTO_TCP, value) != 0)
+			return XDP_DROP; /* Bad TCP checksum. */
+
+		ip_len = sizeof(*hdr->ipv6);
+
+		value = bpf_tcp_raw_gen_syncookie_ipv6(hdr->ipv6, hdr->tcp,
+						       hdr->tcp_len);
+	} else {
+		return XDP_ABORTED;
+	}
+
+	if (value < 0)
+		return XDP_ABORTED;
+	cookie = (__u32)value;
+
+	if (tscookie_init((void *)hdr->tcp, hdr->tcp_len,
+			  &tsopt_buf[0], &tsopt_buf[1], data_end))
+		tsopt = tsopt_buf;
+
+	/* Check that there is enough space for a SYNACK. It also covers
+	 * the check that the destination of the __builtin_memmove below
+	 * doesn't overflow.
+	 */
+	if (data + sizeof(*hdr->eth) + ip_len + TCP_MAXLEN > data_end)
+		return XDP_ABORTED;
+
+	if (hdr->ipv4) {
+		if (hdr->ipv4->ihl * 4 > sizeof(*hdr->ipv4)) {
+			struct tcphdr *new_tcp_header;
+
+			new_tcp_header = data + sizeof(*hdr->eth) + sizeof(*hdr->ipv4);
+			__builtin_memmove(new_tcp_header, hdr->tcp, sizeof(*hdr->tcp));
+			hdr->tcp = new_tcp_header;
+
+			hdr->ipv4->ihl = sizeof(*hdr->ipv4) / 4;
+		}
+
+		tcpv4_gen_synack(hdr, cookie, tsopt);
+	} else if (hdr->ipv6) {
+		tcpv6_gen_synack(hdr, cookie, tsopt);
+	} else {
+		return XDP_ABORTED;
+	}
+
+	/* Recalculate checksums. */
+	hdr->tcp->check = 0;
+	value = bpf_csum_diff(0, 0, (void *)hdr->tcp, hdr->tcp_len, 0);
+	if (value < 0)
+		return XDP_ABORTED;
+	if (hdr->ipv4) {
+		hdr->tcp->check = csum_tcpudp_magic(hdr->ipv4->saddr,
+						    hdr->ipv4->daddr,
+						    hdr->tcp_len,
+						    IPPROTO_TCP,
+						    value);
+
+		hdr->ipv4->check = 0;
+		value = bpf_csum_diff(0, 0, (void *)hdr->ipv4, sizeof(*hdr->ipv4), 0);
+		if (value < 0)
+			return XDP_ABORTED;
+		hdr->ipv4->check = csum_fold(value);
+	} else if (hdr->ipv6) {
+		hdr->tcp->check = csum_ipv6_magic(&hdr->ipv6->saddr,
+						  &hdr->ipv6->daddr,
+						  hdr->tcp_len,
+						  IPPROTO_TCP,
+						  value);
+	} else {
+		return XDP_ABORTED;
+	}
+
+	/* Set the new packet size. */
+	old_pkt_size = data_end - data;
+	new_pkt_size = sizeof(*hdr->eth) + ip_len + hdr->tcp->doff * 4;
+	if (xdp) {
+		if (bpf_xdp_adjust_tail(ctx, new_pkt_size - old_pkt_size))
+			return XDP_ABORTED;
+	} else {
+		if (bpf_skb_change_tail(ctx, new_pkt_size, 0))
+			return XDP_ABORTED;
+	}
+
+	values_inc_synacks();
+
+	return XDP_TX;
+}
+
+static __always_inline int syncookie_handle_ack(struct header_pointers *hdr)
+{
+	int err;
+
+	if (hdr->tcp->rst)
+		return XDP_DROP;
+
+	if (hdr->ipv4)
+		err = bpf_tcp_raw_check_syncookie_ipv4(hdr->ipv4, hdr->tcp);
+	else if (hdr->ipv6)
+		err = bpf_tcp_raw_check_syncookie_ipv6(hdr->ipv6, hdr->tcp);
+	else
+		return XDP_ABORTED;
+	if (err)
+		return XDP_DROP;
+
+	return XDP_PASS;
+}
+
+static __always_inline int syncookie_part1(void *ctx, void *data, void *data_end,
+					   struct header_pointers *hdr, bool xdp)
+{
+	int ret;
+
+	ret = tcp_dissect(data, data_end, hdr);
+	if (ret != XDP_TX)
+		return ret;
+
+	ret = tcp_lookup(ctx, hdr, xdp);
+	if (ret != XDP_TX)
+		return ret;
+
+	/* Packet is TCP and doesn't belong to an established connection. */
+
+	if ((hdr->tcp->syn ^ hdr->tcp->ack) != 1)
+		return XDP_DROP;
+
+	/* Grow the TCP header to TCP_MAXLEN to be able to pass any hdr->tcp_len
+	 * to bpf_tcp_raw_gen_syncookie_ipv{4,6} and pass the verifier.
+	 */
+	if (xdp) {
+		if (bpf_xdp_adjust_tail(ctx, TCP_MAXLEN - hdr->tcp_len))
+			return XDP_ABORTED;
+	} else {
+		/* Without volatile the verifier throws this error:
+		 * R9 32-bit pointer arithmetic prohibited
+		 */
+		volatile u64 old_len = data_end - data;
+
+		if (bpf_skb_change_tail(ctx, old_len + TCP_MAXLEN - hdr->tcp_len, 0))
+			return XDP_ABORTED;
+	}
+
+	return XDP_TX;
+}
+
+static __always_inline int syncookie_part2(void *ctx, void *data, void *data_end,
+					   struct header_pointers *hdr, bool xdp)
+{
+	if (hdr->ipv4) {
+		hdr->eth = data;
+		hdr->ipv4 = (void *)hdr->eth + sizeof(*hdr->eth);
+		/* IPV4_MAXLEN is needed when calculating checksum.
+		 * At least sizeof(struct iphdr) is needed here to access ihl.
+		 */
+		if ((void *)hdr->ipv4 + IPV4_MAXLEN > data_end)
+			return XDP_ABORTED;
+		hdr->tcp = (void *)hdr->ipv4 + hdr->ipv4->ihl * 4;
+	} else if (hdr->ipv6) {
+		hdr->eth = data;
+		hdr->ipv6 = (void *)hdr->eth + sizeof(*hdr->eth);
+		hdr->tcp = (void *)hdr->ipv6 + sizeof(*hdr->ipv6);
+	} else {
+		return XDP_ABORTED;
+	}
+
+	if ((void *)hdr->tcp + TCP_MAXLEN > data_end)
+		return XDP_ABORTED;
+
+	/* We run out of registers, tcp_len gets spilled to the stack, and the
+	 * verifier forgets its min and max values checked above in tcp_dissect.
+	 */
+	hdr->tcp_len = hdr->tcp->doff * 4;
+	if (hdr->tcp_len < sizeof(*hdr->tcp))
+		return XDP_ABORTED;
+
+	return hdr->tcp->syn ? syncookie_handle_syn(hdr, ctx, data, data_end, xdp) :
+			       syncookie_handle_ack(hdr);
+}
+
+SEC("xdp")
+int syncookie_xdp(struct xdp_md *ctx)
+{
+	void *data_end = (void *)(long)ctx->data_end;
+	void *data = (void *)(long)ctx->data;
+	struct header_pointers hdr;
+	int ret;
+
+	ret = syncookie_part1(ctx, data, data_end, &hdr, true);
+	if (ret != XDP_TX)
+		return ret;
+
+	data_end = (void *)(long)ctx->data_end;
+	data = (void *)(long)ctx->data;
+
+	return syncookie_part2(ctx, data, data_end, &hdr, true);
+}
+
+SEC("tc")
+int syncookie_tc(struct __sk_buff *skb)
+{
+	void *data_end = (void *)(long)skb->data_end;
+	void *data = (void *)(long)skb->data;
+	struct header_pointers hdr;
+	int ret;
+
+	ret = syncookie_part1(skb, data, data_end, &hdr, false);
+	if (ret != XDP_TX)
+		return ret == XDP_PASS ? TC_ACT_OK : TC_ACT_SHOT;
+
+	data_end = (void *)(long)skb->data_end;
+	data = (void *)(long)skb->data;
+
+	ret = syncookie_part2(skb, data, data_end, &hdr, false);
+	switch (ret) {
+	case XDP_PASS:
+		return TC_ACT_OK;
+	case XDP_TX:
+		return bpf_redirect(skb->ifindex, 0);
+	default:
+		return TC_ACT_SHOT;
+	}
+}
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/xdp_tx.c b/tools/testing/selftests/bpf/progs/xdp_tx.c
new file mode 100644
index 000000000..5f725c720
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/xdp_tx.c
@@ -0,0 +1,12 @@
+// SPDX-License-Identifier: GPL-2.0
+
+#include <linux/bpf.h>
+#include <bpf/bpf_helpers.h>
+
+SEC("xdp")
+int xdp_tx(struct xdp_md *xdp)
+{
+	return XDP_TX;
+}
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/xdping_kern.c b/tools/testing/selftests/bpf/progs/xdping_kern.c
new file mode 100644
index 000000000..4ad73847b
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/xdping_kern.c
@@ -0,0 +1,184 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2019, Oracle and/or its affiliates. All rights reserved. */
+
+#define KBUILD_MODNAME "foo"
+#include <stddef.h>
+#include <string.h>
+#include <linux/bpf.h>
+#include <linux/icmp.h>
+#include <linux/in.h>
+#include <linux/if_ether.h>
+#include <linux/if_packet.h>
+#include <linux/if_vlan.h>
+#include <linux/ip.h>
+
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_endian.h>
+
+#include "xdping.h"
+
+struct {
+	__uint(type, BPF_MAP_TYPE_HASH);
+	__uint(max_entries, 256);
+	__type(key, __u32);
+	__type(value, struct pinginfo);
+} ping_map SEC(".maps");
+
+static __always_inline void swap_src_dst_mac(void *data)
+{
+	unsigned short *p = data;
+	unsigned short dst[3];
+
+	dst[0] = p[0];
+	dst[1] = p[1];
+	dst[2] = p[2];
+	p[0] = p[3];
+	p[1] = p[4];
+	p[2] = p[5];
+	p[3] = dst[0];
+	p[4] = dst[1];
+	p[5] = dst[2];
+}
+
+static __always_inline __u16 csum_fold_helper(__wsum sum)
+{
+	sum = (sum & 0xffff) + (sum >> 16);
+	return ~((sum & 0xffff) + (sum >> 16));
+}
+
+static __always_inline __u16 ipv4_csum(void *data_start, int data_size)
+{
+	__wsum sum;
+
+	sum = bpf_csum_diff(0, 0, data_start, data_size, 0);
+	return csum_fold_helper(sum);
+}
+
+#define ICMP_ECHO_LEN		64
+
+static __always_inline int icmp_check(struct xdp_md *ctx, int type)
+{
+	void *data_end = (void *)(long)ctx->data_end;
+	void *data = (void *)(long)ctx->data;
+	struct ethhdr *eth = data;
+	struct icmphdr *icmph;
+	struct iphdr *iph;
+
+	if (data + sizeof(*eth) + sizeof(*iph) + ICMP_ECHO_LEN > data_end)
+		return XDP_PASS;
+
+	if (eth->h_proto != bpf_htons(ETH_P_IP))
+		return XDP_PASS;
+
+	iph = data + sizeof(*eth);
+
+	if (iph->protocol != IPPROTO_ICMP)
+		return XDP_PASS;
+
+	if (bpf_ntohs(iph->tot_len) - sizeof(*iph) != ICMP_ECHO_LEN)
+		return XDP_PASS;
+
+	icmph = data + sizeof(*eth) + sizeof(*iph);
+
+	if (icmph->type != type)
+		return XDP_PASS;
+
+	return XDP_TX;
+}
+
+SEC("xdp")
+int xdping_client(struct xdp_md *ctx)
+{
+	void *data_end = (void *)(long)ctx->data_end;
+	void *data = (void *)(long)ctx->data;
+	struct pinginfo *pinginfo = NULL;
+	struct ethhdr *eth = data;
+	struct icmphdr *icmph;
+	struct iphdr *iph;
+	__u64 recvtime;
+	__be32 raddr;
+	__be16 seq;
+	int ret;
+	__u8 i;
+
+	ret = icmp_check(ctx, ICMP_ECHOREPLY);
+
+	if (ret != XDP_TX)
+		return ret;
+
+	iph = data + sizeof(*eth);
+	icmph = data + sizeof(*eth) + sizeof(*iph);
+	raddr = iph->saddr;
+
+	/* Record time reply received. */
+	recvtime = bpf_ktime_get_ns();
+	pinginfo = bpf_map_lookup_elem(&ping_map, &raddr);
+	if (!pinginfo || pinginfo->seq != icmph->un.echo.sequence)
+		return XDP_PASS;
+
+	if (pinginfo->start) {
+#pragma clang loop unroll(full)
+		for (i = 0; i < XDPING_MAX_COUNT; i++) {
+			if (pinginfo->times[i] == 0)
+				break;
+		}
+		/* verifier is fussy here... */
+		if (i < XDPING_MAX_COUNT) {
+			pinginfo->times[i] = recvtime -
+					     pinginfo->start;
+			pinginfo->start = 0;
+			i++;
+		}
+		/* No more space for values? */
+		if (i == pinginfo->count || i == XDPING_MAX_COUNT)
+			return XDP_PASS;
+	}
+
+	/* Now convert reply back into echo request. */
+	swap_src_dst_mac(data);
+	iph->saddr = iph->daddr;
+	iph->daddr = raddr;
+	icmph->type = ICMP_ECHO;
+	seq = bpf_htons(bpf_ntohs(icmph->un.echo.sequence) + 1);
+	icmph->un.echo.sequence = seq;
+	icmph->checksum = 0;
+	icmph->checksum = ipv4_csum(icmph, ICMP_ECHO_LEN);
+
+	pinginfo->seq = seq;
+	pinginfo->start = bpf_ktime_get_ns();
+
+	return XDP_TX;
+}
+
+SEC("xdp")
+int xdping_server(struct xdp_md *ctx)
+{
+	void *data_end = (void *)(long)ctx->data_end;
+	void *data = (void *)(long)ctx->data;
+	struct ethhdr *eth = data;
+	struct icmphdr *icmph;
+	struct iphdr *iph;
+	__be32 raddr;
+	int ret;
+
+	ret = icmp_check(ctx, ICMP_ECHO);
+
+	if (ret != XDP_TX)
+		return ret;
+
+	iph = data + sizeof(*eth);
+	icmph = data + sizeof(*eth) + sizeof(*iph);
+	raddr = iph->saddr;
+
+	/* Now convert request into echo reply. */
+	swap_src_dst_mac(data);
+	iph->saddr = iph->daddr;
+	iph->daddr = raddr;
+	icmph->type = ICMP_ECHOREPLY;
+	icmph->checksum = 0;
+	icmph->checksum = ipv4_csum(icmph, ICMP_ECHO_LEN);
+
+	return XDP_TX;
+}
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/xdpwall.c b/tools/testing/selftests/bpf/progs/xdpwall.c
new file mode 100644
index 000000000..7a891a0c3
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/xdpwall.c
@@ -0,0 +1,365 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2021 Facebook */
+#include <stdbool.h>
+#include <stdint.h>
+#include <linux/stddef.h>
+#include <linux/if_ether.h>
+#include <linux/in.h>
+#include <linux/in6.h>
+#include <linux/ip.h>
+#include <linux/ipv6.h>
+#include <linux/tcp.h>
+#include <linux/udp.h>
+#include <linux/bpf.h>
+#include <linux/types.h>
+#include <bpf/bpf_endian.h>
+#include <bpf/bpf_helpers.h>
+
+enum pkt_parse_err {
+	NO_ERR,
+	BAD_IP6_HDR,
+	BAD_IP4GUE_HDR,
+	BAD_IP6GUE_HDR,
+};
+
+enum pkt_flag {
+	TUNNEL = 0x1,
+	TCP_SYN = 0x2,
+	QUIC_INITIAL_FLAG = 0x4,
+	TCP_ACK = 0x8,
+	TCP_RST = 0x10
+};
+
+struct v4_lpm_key {
+	__u32 prefixlen;
+	__u32 src;
+};
+
+struct v4_lpm_val {
+	struct v4_lpm_key key;
+	__u8 val;
+};
+
+struct {
+	__uint(type, BPF_MAP_TYPE_HASH);
+	__uint(max_entries, 16);
+	__type(key, struct in6_addr);
+	__type(value, bool);
+} v6_addr_map SEC(".maps");
+
+struct {
+	__uint(type, BPF_MAP_TYPE_HASH);
+	__uint(max_entries, 16);
+	__type(key, __u32);
+	__type(value, bool);
+} v4_addr_map SEC(".maps");
+
+struct {
+	__uint(type, BPF_MAP_TYPE_LPM_TRIE);
+	__uint(max_entries, 16);
+	__uint(key_size, sizeof(struct v4_lpm_key));
+	__uint(value_size, sizeof(struct v4_lpm_val));
+	__uint(map_flags, BPF_F_NO_PREALLOC);
+} v4_lpm_val_map SEC(".maps");
+
+struct {
+	__uint(type, BPF_MAP_TYPE_ARRAY);
+	__uint(max_entries, 16);
+	__type(key, int);
+	__type(value, __u8);
+} tcp_port_map SEC(".maps");
+
+struct {
+	__uint(type, BPF_MAP_TYPE_ARRAY);
+	__uint(max_entries, 16);
+	__type(key, int);
+	__type(value, __u16);
+} udp_port_map SEC(".maps");
+
+enum ip_type { V4 = 1, V6 = 2 };
+
+struct fw_match_info {
+	__u8 v4_src_ip_match;
+	__u8 v6_src_ip_match;
+	__u8 v4_src_prefix_match;
+	__u8 v4_dst_prefix_match;
+	__u8 tcp_dp_match;
+	__u16 udp_sp_match;
+	__u16 udp_dp_match;
+	bool is_tcp;
+	bool is_tcp_syn;
+};
+
+struct pkt_info {
+	enum ip_type type;
+	union {
+		struct iphdr *ipv4;
+		struct ipv6hdr *ipv6;
+	} ip;
+	int sport;
+	int dport;
+	__u16 trans_hdr_offset;
+	__u8 proto;
+	__u8 flags;
+};
+
+static __always_inline struct ethhdr *parse_ethhdr(void *data, void *data_end)
+{
+	struct ethhdr *eth = data;
+
+	if (eth + 1 > data_end)
+		return NULL;
+
+	return eth;
+}
+
+static __always_inline __u8 filter_ipv6_addr(const struct in6_addr *ipv6addr)
+{
+	__u8 *leaf;
+
+	leaf = bpf_map_lookup_elem(&v6_addr_map, ipv6addr);
+
+	return leaf ? *leaf : 0;
+}
+
+static __always_inline __u8 filter_ipv4_addr(const __u32 ipaddr)
+{
+	__u8 *leaf;
+
+	leaf = bpf_map_lookup_elem(&v4_addr_map, &ipaddr);
+
+	return leaf ? *leaf : 0;
+}
+
+static __always_inline __u8 filter_ipv4_lpm(const __u32 ipaddr)
+{
+	struct v4_lpm_key v4_key = {};
+	struct v4_lpm_val *lpm_val;
+
+	v4_key.src = ipaddr;
+	v4_key.prefixlen = 32;
+
+	lpm_val = bpf_map_lookup_elem(&v4_lpm_val_map, &v4_key);
+
+	return lpm_val ? lpm_val->val : 0;
+}
+
+
+static __always_inline void
+filter_src_dst_ip(struct pkt_info* info, struct fw_match_info* match_info)
+{
+	if (info->type == V6) {
+		match_info->v6_src_ip_match =
+			filter_ipv6_addr(&info->ip.ipv6->saddr);
+	} else if (info->type == V4) {
+		match_info->v4_src_ip_match =
+			filter_ipv4_addr(info->ip.ipv4->saddr);
+		match_info->v4_src_prefix_match =
+			filter_ipv4_lpm(info->ip.ipv4->saddr);
+		match_info->v4_dst_prefix_match =
+			filter_ipv4_lpm(info->ip.ipv4->daddr);
+	}
+}
+
+static __always_inline void *
+get_transport_hdr(__u16 offset, void *data, void *data_end)
+{
+	if (offset > 255 || data + offset > data_end)
+		return NULL;
+
+	return data + offset;
+}
+
+static __always_inline bool tcphdr_only_contains_flag(struct tcphdr *tcp,
+						      __u32 FLAG)
+{
+	return (tcp_flag_word(tcp) &
+		(TCP_FLAG_ACK | TCP_FLAG_RST | TCP_FLAG_SYN | TCP_FLAG_FIN)) == FLAG;
+}
+
+static __always_inline void set_tcp_flags(struct pkt_info *info,
+					  struct tcphdr *tcp) {
+	if (tcphdr_only_contains_flag(tcp, TCP_FLAG_SYN))
+		info->flags |= TCP_SYN;
+	else if (tcphdr_only_contains_flag(tcp, TCP_FLAG_ACK))
+		info->flags |= TCP_ACK;
+	else if (tcphdr_only_contains_flag(tcp, TCP_FLAG_RST))
+		info->flags |= TCP_RST;
+}
+
+static __always_inline bool
+parse_tcp(struct pkt_info *info, void *transport_hdr, void *data_end)
+{
+	struct tcphdr *tcp = transport_hdr;
+
+	if (tcp + 1 > data_end)
+		return false;
+
+	info->sport = bpf_ntohs(tcp->source);
+	info->dport = bpf_ntohs(tcp->dest);
+	set_tcp_flags(info, tcp);
+
+	return true;
+}
+
+static __always_inline bool
+parse_udp(struct pkt_info *info, void *transport_hdr, void *data_end)
+{
+	struct udphdr *udp = transport_hdr;
+
+	if (udp + 1 > data_end)
+		return false;
+
+	info->sport = bpf_ntohs(udp->source);
+	info->dport = bpf_ntohs(udp->dest);
+
+	return true;
+}
+
+static __always_inline __u8 filter_tcp_port(int port)
+{
+	__u8 *leaf = bpf_map_lookup_elem(&tcp_port_map, &port);
+
+	return leaf ? *leaf : 0;
+}
+
+static __always_inline __u16 filter_udp_port(int port)
+{
+	__u16 *leaf = bpf_map_lookup_elem(&udp_port_map, &port);
+
+	return leaf ? *leaf : 0;
+}
+
+static __always_inline bool
+filter_transport_hdr(void *transport_hdr, void *data_end,
+		     struct pkt_info *info, struct fw_match_info *match_info)
+{
+	if (info->proto == IPPROTO_TCP) {
+		if (!parse_tcp(info, transport_hdr, data_end))
+			return false;
+
+		match_info->is_tcp = true;
+		match_info->is_tcp_syn = (info->flags & TCP_SYN) > 0;
+
+		match_info->tcp_dp_match = filter_tcp_port(info->dport);
+	} else if (info->proto == IPPROTO_UDP) {
+		if (!parse_udp(info, transport_hdr, data_end))
+			return false;
+
+		match_info->udp_dp_match = filter_udp_port(info->dport);
+		match_info->udp_sp_match = filter_udp_port(info->sport);
+	}
+
+	return true;
+}
+
+static __always_inline __u8
+parse_gue_v6(struct pkt_info *info, struct ipv6hdr *ip6h, void *data_end)
+{
+	struct udphdr *udp = (struct udphdr *)(ip6h + 1);
+	void *encap_data = udp + 1;
+
+	if (udp + 1 > data_end)
+		return BAD_IP6_HDR;
+
+	if (udp->dest != bpf_htons(6666))
+		return NO_ERR;
+
+	info->flags |= TUNNEL;
+
+	if (encap_data + 1 > data_end)
+		return BAD_IP6GUE_HDR;
+
+	if (*(__u8 *)encap_data & 0x30) {
+		struct ipv6hdr *inner_ip6h = encap_data;
+
+		if (inner_ip6h + 1 > data_end)
+			return BAD_IP6GUE_HDR;
+
+		info->type = V6;
+		info->proto = inner_ip6h->nexthdr;
+		info->ip.ipv6 = inner_ip6h;
+		info->trans_hdr_offset += sizeof(struct ipv6hdr) + sizeof(struct udphdr);
+	} else {
+		struct iphdr *inner_ip4h = encap_data;
+
+		if (inner_ip4h + 1 > data_end)
+			return BAD_IP6GUE_HDR;
+
+		info->type = V4;
+		info->proto = inner_ip4h->protocol;
+		info->ip.ipv4 = inner_ip4h;
+		info->trans_hdr_offset += sizeof(struct iphdr) + sizeof(struct udphdr);
+	}
+
+	return NO_ERR;
+}
+
+static __always_inline __u8 parse_ipv6_gue(struct pkt_info *info,
+					   void *data, void *data_end)
+{
+	struct ipv6hdr *ip6h = data + sizeof(struct ethhdr);
+
+	if (ip6h + 1 > data_end)
+		return BAD_IP6_HDR;
+
+	info->proto = ip6h->nexthdr;
+	info->ip.ipv6 = ip6h;
+	info->type = V6;
+	info->trans_hdr_offset = sizeof(struct ethhdr) + sizeof(struct ipv6hdr);
+
+	if (info->proto == IPPROTO_UDP)
+		return parse_gue_v6(info, ip6h, data_end);
+
+	return NO_ERR;
+}
+
+SEC("xdp")
+int edgewall(struct xdp_md *ctx)
+{
+	void *data_end = (void *)(long)(ctx->data_end);
+	void *data = (void *)(long)(ctx->data);
+	struct fw_match_info match_info = {};
+	struct pkt_info info = {};
+	__u8 parse_err = NO_ERR;
+	void *transport_hdr;
+	struct ethhdr *eth;
+	bool filter_res;
+	__u32 proto;
+
+	eth = parse_ethhdr(data, data_end);
+	if (!eth)
+		return XDP_DROP;
+
+	proto = eth->h_proto;
+	if (proto != bpf_htons(ETH_P_IPV6))
+		return XDP_DROP;
+
+	if (parse_ipv6_gue(&info, data, data_end))
+		return XDP_DROP;
+
+	if (info.proto == IPPROTO_ICMPV6)
+		return XDP_PASS;
+
+	if (info.proto != IPPROTO_TCP && info.proto != IPPROTO_UDP)
+		return XDP_DROP;
+
+	filter_src_dst_ip(&info, &match_info);
+
+	transport_hdr = get_transport_hdr(info.trans_hdr_offset, data,
+					  data_end);
+	if (!transport_hdr)
+		return XDP_DROP;
+
+	filter_res = filter_transport_hdr(transport_hdr, data_end,
+					  &info, &match_info);
+	if (!filter_res)
+		return XDP_DROP;
+
+	if (match_info.is_tcp && !match_info.is_tcp_syn)
+		return XDP_PASS;
+
+	return XDP_DROP;
+}
+
+char LICENSE[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/sdt-config.h b/tools/testing/selftests/bpf/sdt-config.h
new file mode 100644
index 000000000..733045a52
--- /dev/null
+++ b/tools/testing/selftests/bpf/sdt-config.h
@@ -0,0 +1,6 @@
+/* includes/sys/sdt-config.h.  Generated from sdt-config.h.in by configure.
+
+   This file just defines _SDT_ASM_SECTION_AUTOGROUP_SUPPORT to 0 or 1 to
+   indicate whether the assembler supports "?" in .pushsection directives.  */
+
+#define _SDT_ASM_SECTION_AUTOGROUP_SUPPORT 1
diff --git a/tools/testing/selftests/bpf/sdt.h b/tools/testing/selftests/bpf/sdt.h
new file mode 100644
index 000000000..ca0162b4d
--- /dev/null
+++ b/tools/testing/selftests/bpf/sdt.h
@@ -0,0 +1,513 @@
+/* <sys/sdt.h> - Systemtap static probe definition macros.
+
+   This file is dedicated to the public domain, pursuant to CC0
+   (https://creativecommons.org/publicdomain/zero/1.0/)
+*/
+
+#ifndef _SYS_SDT_H
+#define _SYS_SDT_H    1
+
+/*
+  This file defines a family of macros
+
+       STAP_PROBEn(op1, ..., opn)
+
+  that emit a nop into the instruction stream, and some data into an auxiliary
+  note section.  The data in the note section describes the operands, in terms
+  of size and location.  Each location is encoded as assembler operand string.
+  Consumer tools such as gdb or systemtap insert breakpoints on top of
+  the nop, and decode the location operand-strings, like an assembler,
+  to find the values being passed.
+
+  The operand strings are selected by the compiler for each operand.
+  They are constrained by gcc inline-assembler codes.  The default is:
+
+  #define STAP_SDT_ARG_CONSTRAINT nor
+
+  This is a good default if the operands tend to be integral and
+  moderate in number (smaller than number of registers).  In other
+  cases, the compiler may report "'asm' requires impossible reload" or
+  similar.  In this case, consider simplifying the macro call (fewer
+  and simpler operands), reduce optimization, or override the default
+  constraints string via:
+
+  #define STAP_SDT_ARG_CONSTRAINT g
+  #include <sys/sdt.h>
+
+  See also:
+  https://sourceware.org/systemtap/wiki/UserSpaceProbeImplementation
+  https://gcc.gnu.org/onlinedocs/gcc/Constraints.html
+ */
+
+
+
+#ifdef __ASSEMBLER__
+# define _SDT_PROBE(provider, name, n, arglist)	\
+  _SDT_ASM_BODY(provider, name, _SDT_ASM_SUBSTR_1, (_SDT_DEPAREN_##n arglist)) \
+  _SDT_ASM_BASE
+# define _SDT_ASM_1(x)			x;
+# define _SDT_ASM_2(a, b)		a,b;
+# define _SDT_ASM_3(a, b, c)		a,b,c;
+# define _SDT_ASM_5(a, b, c, d, e)	a,b,c,d,e;
+# define _SDT_ASM_STRING_1(x)		.asciz #x;
+# define _SDT_ASM_SUBSTR_1(x)		.ascii #x;
+# define _SDT_DEPAREN_0()				/* empty */
+# define _SDT_DEPAREN_1(a)				a
+# define _SDT_DEPAREN_2(a,b)				a b
+# define _SDT_DEPAREN_3(a,b,c)				a b c
+# define _SDT_DEPAREN_4(a,b,c,d)			a b c d
+# define _SDT_DEPAREN_5(a,b,c,d,e)			a b c d e
+# define _SDT_DEPAREN_6(a,b,c,d,e,f)			a b c d e f
+# define _SDT_DEPAREN_7(a,b,c,d,e,f,g)			a b c d e f g
+# define _SDT_DEPAREN_8(a,b,c,d,e,f,g,h)		a b c d e f g h
+# define _SDT_DEPAREN_9(a,b,c,d,e,f,g,h,i)		a b c d e f g h i
+# define _SDT_DEPAREN_10(a,b,c,d,e,f,g,h,i,j)		a b c d e f g h i j
+# define _SDT_DEPAREN_11(a,b,c,d,e,f,g,h,i,j,k)		a b c d e f g h i j k
+# define _SDT_DEPAREN_12(a,b,c,d,e,f,g,h,i,j,k,l)	a b c d e f g h i j k l
+#else
+#if defined _SDT_HAS_SEMAPHORES
+#define _SDT_NOTE_SEMAPHORE_USE(provider, name) \
+  __asm__ __volatile__ ("" :: "m" (provider##_##name##_semaphore));
+#else
+#define _SDT_NOTE_SEMAPHORE_USE(provider, name)
+#endif
+
+# define _SDT_PROBE(provider, name, n, arglist) \
+  do {									    \
+    _SDT_NOTE_SEMAPHORE_USE(provider, name); \
+    __asm__ __volatile__ (_SDT_ASM_BODY(provider, name, _SDT_ASM_ARGS, (n)) \
+			  :: _SDT_ASM_OPERANDS_##n arglist);		    \
+    __asm__ __volatile__ (_SDT_ASM_BASE);				    \
+  } while (0)
+# define _SDT_S(x)			#x
+# define _SDT_ASM_1(x)			_SDT_S(x) "\n"
+# define _SDT_ASM_2(a, b)		_SDT_S(a) "," _SDT_S(b) "\n"
+# define _SDT_ASM_3(a, b, c)		_SDT_S(a) "," _SDT_S(b) "," \
+					_SDT_S(c) "\n"
+# define _SDT_ASM_5(a, b, c, d, e)	_SDT_S(a) "," _SDT_S(b) "," \
+					_SDT_S(c) "," _SDT_S(d) "," \
+					_SDT_S(e) "\n"
+# define _SDT_ASM_ARGS(n)		_SDT_ASM_TEMPLATE_##n
+# define _SDT_ASM_STRING_1(x)		_SDT_ASM_1(.asciz #x)
+# define _SDT_ASM_SUBSTR_1(x)		_SDT_ASM_1(.ascii #x)
+
+# define _SDT_ARGFMT(no)                _SDT_ASM_1(_SDT_SIGN %n[_SDT_S##no]) \
+                                        _SDT_ASM_1(_SDT_SIZE %n[_SDT_S##no]) \
+                                        _SDT_ASM_1(_SDT_TYPE %n[_SDT_S##no]) \
+                                        _SDT_ASM_SUBSTR(_SDT_ARGTMPL(_SDT_A##no))
+
+
+# ifndef STAP_SDT_ARG_CONSTRAINT
+# if defined __powerpc__
+# define STAP_SDT_ARG_CONSTRAINT        nZr
+# elif defined __arm__
+# define STAP_SDT_ARG_CONSTRAINT        g
+# else
+# define STAP_SDT_ARG_CONSTRAINT        nor
+# endif
+# endif
+
+# define _SDT_STRINGIFY(x)              #x
+# define _SDT_ARG_CONSTRAINT_STRING(x)  _SDT_STRINGIFY(x)
+/* _SDT_S encodes the size and type as 0xSSTT which is decoded by the assembler
+   macros _SDT_SIZE and _SDT_TYPE */
+# define _SDT_ARG(n, x)				    \
+  [_SDT_S##n] "n" ((_SDT_ARGSIGNED (x) ? (int)-1 : 1) * (-(((int) _SDT_ARGSIZE (x)) << 8) + (-(0x7f & __builtin_classify_type (x))))), \
+  [_SDT_A##n] _SDT_ARG_CONSTRAINT_STRING (STAP_SDT_ARG_CONSTRAINT) (_SDT_ARGVAL (x))
+#endif
+#define _SDT_ASM_STRING(x)		_SDT_ASM_STRING_1(x)
+#define _SDT_ASM_SUBSTR(x)		_SDT_ASM_SUBSTR_1(x)
+
+#define _SDT_ARGARRAY(x)	(__builtin_classify_type (x) == 14	\
+				 || __builtin_classify_type (x) == 5)
+
+#ifdef __cplusplus
+# define _SDT_ARGSIGNED(x)	(!_SDT_ARGARRAY (x) \
+				 && __sdt_type<__typeof (x)>::__sdt_signed)
+# define _SDT_ARGSIZE(x)	(_SDT_ARGARRAY (x) \
+				 ? sizeof (void *) : sizeof (x))
+# define _SDT_ARGVAL(x)		(x)
+
+# include <cstddef>
+
+template<typename __sdt_T>
+struct __sdt_type
+{
+  static const bool __sdt_signed = false;
+};
+  
+#define __SDT_ALWAYS_SIGNED(T) \
+template<> struct __sdt_type<T> { static const bool __sdt_signed = true; };
+#define __SDT_COND_SIGNED(T,CT)						\
+template<> struct __sdt_type<T> { static const bool __sdt_signed = ((CT)(-1) < 1); };
+__SDT_ALWAYS_SIGNED(signed char)
+__SDT_ALWAYS_SIGNED(short)
+__SDT_ALWAYS_SIGNED(int)
+__SDT_ALWAYS_SIGNED(long)
+__SDT_ALWAYS_SIGNED(long long)
+__SDT_ALWAYS_SIGNED(volatile signed char)
+__SDT_ALWAYS_SIGNED(volatile short)
+__SDT_ALWAYS_SIGNED(volatile int)
+__SDT_ALWAYS_SIGNED(volatile long)
+__SDT_ALWAYS_SIGNED(volatile long long)
+__SDT_ALWAYS_SIGNED(const signed char)
+__SDT_ALWAYS_SIGNED(const short)
+__SDT_ALWAYS_SIGNED(const int)
+__SDT_ALWAYS_SIGNED(const long)
+__SDT_ALWAYS_SIGNED(const long long)
+__SDT_ALWAYS_SIGNED(const volatile signed char)
+__SDT_ALWAYS_SIGNED(const volatile short)
+__SDT_ALWAYS_SIGNED(const volatile int)
+__SDT_ALWAYS_SIGNED(const volatile long)
+__SDT_ALWAYS_SIGNED(const volatile long long)
+__SDT_COND_SIGNED(char, char)
+__SDT_COND_SIGNED(wchar_t, wchar_t)
+__SDT_COND_SIGNED(volatile char, char)
+__SDT_COND_SIGNED(volatile wchar_t, wchar_t)
+__SDT_COND_SIGNED(const char, char)
+__SDT_COND_SIGNED(const wchar_t, wchar_t)
+__SDT_COND_SIGNED(const volatile char, char)
+__SDT_COND_SIGNED(const volatile wchar_t, wchar_t)
+#if defined (__GNUC__) && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 4))
+/* __SDT_COND_SIGNED(char16_t) */
+/* __SDT_COND_SIGNED(char32_t) */
+#endif
+
+template<typename __sdt_E>
+struct __sdt_type<__sdt_E[]> : public __sdt_type<__sdt_E *> {};
+
+template<typename __sdt_E, size_t __sdt_N>
+struct __sdt_type<__sdt_E[__sdt_N]> : public __sdt_type<__sdt_E *> {};
+
+#elif !defined(__ASSEMBLER__)
+__extension__ extern unsigned long long __sdt_unsp;
+# define _SDT_ARGINTTYPE(x)						\
+  __typeof (__builtin_choose_expr (((__builtin_classify_type (x)	\
+				     + 3) & -4) == 4, (x), 0U))
+# define _SDT_ARGSIGNED(x)						\
+  (!__extension__							\
+   (__builtin_constant_p ((((unsigned long long)			\
+			    (_SDT_ARGINTTYPE (x)) __sdt_unsp)		\
+			   & ((unsigned long long)1 << (sizeof (unsigned long long)	\
+				       * __CHAR_BIT__ - 1))) == 0)	\
+    || (_SDT_ARGINTTYPE (x)) -1 > (_SDT_ARGINTTYPE (x)) 0))
+# define _SDT_ARGSIZE(x)	\
+  (_SDT_ARGARRAY (x) ? sizeof (void *) : sizeof (x))
+# define _SDT_ARGVAL(x)		(x)
+#endif
+
+#if defined __powerpc__ || defined __powerpc64__
+# define _SDT_ARGTMPL(id)	%I[id]%[id]
+#elif defined __i386__
+# define _SDT_ARGTMPL(id)	%k[id]  /* gcc.gnu.org/PR80115 sourceware.org/PR24541 */
+#else
+# define _SDT_ARGTMPL(id)	%[id]
+#endif
+
+/* NB: gdb PR24541 highlighted an unspecified corner of the sdt.h
+   operand note format.
+
+   The named register may be a longer or shorter (!) alias for the
+   storage where the value in question is found.  For example, on
+   i386, 64-bit value may be put in register pairs, and the register
+   name stored would identify just one of them.  Previously, gcc was
+   asked to emit the %w[id] (16-bit alias of some registers holding
+   operands), even when a wider 32-bit value was used.
+
+   Bottom line: the byte-width given before the @ sign governs.  If
+   there is a mismatch between that width and that of the named
+   register, then a sys/sdt.h note consumer may need to employ
+   architecture-specific heuristics to figure out where the compiler
+   has actually put the complete value.
+*/
+
+#ifdef __LP64__
+# define _SDT_ASM_ADDR	.8byte
+#else
+# define _SDT_ASM_ADDR	.4byte
+#endif
+
+/* The ia64 and s390 nop instructions take an argument. */
+#if defined(__ia64__) || defined(__s390__) || defined(__s390x__)
+#define _SDT_NOP	nop 0
+#else
+#define _SDT_NOP	nop
+#endif
+
+#define _SDT_NOTE_NAME	"stapsdt"
+#define _SDT_NOTE_TYPE	3
+
+/* If the assembler supports the necessary feature, then we can play
+   nice with code in COMDAT sections, which comes up in C++ code.
+   Without that assembler support, some combinations of probe placements
+   in certain kinds of C++ code may produce link-time errors.  */
+#include "sdt-config.h"
+#if _SDT_ASM_SECTION_AUTOGROUP_SUPPORT
+# define _SDT_ASM_AUTOGROUP "?"
+#else
+# define _SDT_ASM_AUTOGROUP ""
+#endif
+
+#define _SDT_DEF_MACROS							     \
+	_SDT_ASM_1(.altmacro)						     \
+	_SDT_ASM_1(.macro _SDT_SIGN x)				     	     \
+	_SDT_ASM_3(.pushsection .note.stapsdt,"","note")		     \
+	_SDT_ASM_1(.iflt \\x)						     \
+	_SDT_ASM_1(.ascii "-")						     \
+	_SDT_ASM_1(.endif)						     \
+	_SDT_ASM_1(.popsection)						     \
+	_SDT_ASM_1(.endm)						     \
+	_SDT_ASM_1(.macro _SDT_SIZE_ x)					     \
+	_SDT_ASM_3(.pushsection .note.stapsdt,"","note")		     \
+	_SDT_ASM_1(.ascii "\x")						     \
+	_SDT_ASM_1(.popsection)						     \
+	_SDT_ASM_1(.endm)						     \
+	_SDT_ASM_1(.macro _SDT_SIZE x)					     \
+	_SDT_ASM_1(_SDT_SIZE_ %%((-(-\\x*((-\\x>0)-(-\\x<0))))>>8))	     \
+	_SDT_ASM_1(.endm)						     \
+	_SDT_ASM_1(.macro _SDT_TYPE_ x)				             \
+	_SDT_ASM_3(.pushsection .note.stapsdt,"","note")		     \
+	_SDT_ASM_2(.ifc 8,\\x)					     	     \
+	_SDT_ASM_1(.ascii "f")						     \
+	_SDT_ASM_1(.endif)						     \
+	_SDT_ASM_1(.ascii "@")						     \
+	_SDT_ASM_1(.popsection)						     \
+	_SDT_ASM_1(.endm)						     \
+	_SDT_ASM_1(.macro _SDT_TYPE x)				     	     \
+	_SDT_ASM_1(_SDT_TYPE_ %%((\\x)&(0xff)))			     \
+	_SDT_ASM_1(.endm)
+
+#define _SDT_UNDEF_MACROS						      \
+  _SDT_ASM_1(.purgem _SDT_SIGN)						      \
+  _SDT_ASM_1(.purgem _SDT_SIZE_)					      \
+  _SDT_ASM_1(.purgem _SDT_SIZE)						      \
+  _SDT_ASM_1(.purgem _SDT_TYPE_)					      \
+  _SDT_ASM_1(.purgem _SDT_TYPE)
+
+#define _SDT_ASM_BODY(provider, name, pack_args, args, ...)		      \
+  _SDT_DEF_MACROS							      \
+  _SDT_ASM_1(990:	_SDT_NOP)					      \
+  _SDT_ASM_3(		.pushsection .note.stapsdt,_SDT_ASM_AUTOGROUP,"note") \
+  _SDT_ASM_1(		.balign 4)					      \
+  _SDT_ASM_3(		.4byte 992f-991f, 994f-993f, _SDT_NOTE_TYPE)	      \
+  _SDT_ASM_1(991:	.asciz _SDT_NOTE_NAME)				      \
+  _SDT_ASM_1(992:	.balign 4)					      \
+  _SDT_ASM_1(993:	_SDT_ASM_ADDR 990b)				      \
+  _SDT_ASM_1(		_SDT_ASM_ADDR _.stapsdt.base)			      \
+  _SDT_SEMAPHORE(provider,name)						      \
+  _SDT_ASM_STRING(provider)						      \
+  _SDT_ASM_STRING(name)							      \
+  pack_args args							      \
+  _SDT_ASM_SUBSTR(\x00)							      \
+  _SDT_UNDEF_MACROS							      \
+  _SDT_ASM_1(994:	.balign 4)					      \
+  _SDT_ASM_1(		.popsection)
+
+#define _SDT_ASM_BASE							      \
+  _SDT_ASM_1(.ifndef _.stapsdt.base)					      \
+  _SDT_ASM_5(		.pushsection .stapsdt.base,"aG","progbits",	      \
+							.stapsdt.base,comdat) \
+  _SDT_ASM_1(		.weak _.stapsdt.base)				      \
+  _SDT_ASM_1(		.hidden _.stapsdt.base)				      \
+  _SDT_ASM_1(	_.stapsdt.base: .space 1)				      \
+  _SDT_ASM_2(		.size _.stapsdt.base, 1)			      \
+  _SDT_ASM_1(		.popsection)					      \
+  _SDT_ASM_1(.endif)
+
+#if defined _SDT_HAS_SEMAPHORES
+#define _SDT_SEMAPHORE(p,n) \
+	_SDT_ASM_1(		_SDT_ASM_ADDR p##_##n##_semaphore)
+#else
+#define _SDT_SEMAPHORE(p,n) _SDT_ASM_1(		_SDT_ASM_ADDR 0)
+#endif
+
+#define _SDT_ASM_BLANK _SDT_ASM_SUBSTR(\x20)
+#define _SDT_ASM_TEMPLATE_0		/* no arguments */
+#define _SDT_ASM_TEMPLATE_1		_SDT_ARGFMT(1)
+#define _SDT_ASM_TEMPLATE_2		_SDT_ASM_TEMPLATE_1 _SDT_ASM_BLANK _SDT_ARGFMT(2)
+#define _SDT_ASM_TEMPLATE_3		_SDT_ASM_TEMPLATE_2 _SDT_ASM_BLANK _SDT_ARGFMT(3)
+#define _SDT_ASM_TEMPLATE_4		_SDT_ASM_TEMPLATE_3 _SDT_ASM_BLANK _SDT_ARGFMT(4)
+#define _SDT_ASM_TEMPLATE_5		_SDT_ASM_TEMPLATE_4 _SDT_ASM_BLANK _SDT_ARGFMT(5)
+#define _SDT_ASM_TEMPLATE_6		_SDT_ASM_TEMPLATE_5 _SDT_ASM_BLANK _SDT_ARGFMT(6)
+#define _SDT_ASM_TEMPLATE_7		_SDT_ASM_TEMPLATE_6 _SDT_ASM_BLANK _SDT_ARGFMT(7)
+#define _SDT_ASM_TEMPLATE_8		_SDT_ASM_TEMPLATE_7 _SDT_ASM_BLANK _SDT_ARGFMT(8)
+#define _SDT_ASM_TEMPLATE_9		_SDT_ASM_TEMPLATE_8 _SDT_ASM_BLANK _SDT_ARGFMT(9)
+#define _SDT_ASM_TEMPLATE_10		_SDT_ASM_TEMPLATE_9 _SDT_ASM_BLANK _SDT_ARGFMT(10)
+#define _SDT_ASM_TEMPLATE_11		_SDT_ASM_TEMPLATE_10 _SDT_ASM_BLANK _SDT_ARGFMT(11)
+#define _SDT_ASM_TEMPLATE_12		_SDT_ASM_TEMPLATE_11 _SDT_ASM_BLANK _SDT_ARGFMT(12)
+#define _SDT_ASM_OPERANDS_0()		[__sdt_dummy] "g" (0)
+#define _SDT_ASM_OPERANDS_1(arg1)	_SDT_ARG(1, arg1)
+#define _SDT_ASM_OPERANDS_2(arg1, arg2) \
+  _SDT_ASM_OPERANDS_1(arg1), _SDT_ARG(2, arg2)
+#define _SDT_ASM_OPERANDS_3(arg1, arg2, arg3) \
+  _SDT_ASM_OPERANDS_2(arg1, arg2), _SDT_ARG(3, arg3)
+#define _SDT_ASM_OPERANDS_4(arg1, arg2, arg3, arg4) \
+  _SDT_ASM_OPERANDS_3(arg1, arg2, arg3), _SDT_ARG(4, arg4)
+#define _SDT_ASM_OPERANDS_5(arg1, arg2, arg3, arg4, arg5) \
+  _SDT_ASM_OPERANDS_4(arg1, arg2, arg3, arg4), _SDT_ARG(5, arg5)
+#define _SDT_ASM_OPERANDS_6(arg1, arg2, arg3, arg4, arg5, arg6) \
+  _SDT_ASM_OPERANDS_5(arg1, arg2, arg3, arg4, arg5), _SDT_ARG(6, arg6)
+#define _SDT_ASM_OPERANDS_7(arg1, arg2, arg3, arg4, arg5, arg6, arg7) \
+  _SDT_ASM_OPERANDS_6(arg1, arg2, arg3, arg4, arg5, arg6), _SDT_ARG(7, arg7)
+#define _SDT_ASM_OPERANDS_8(arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8) \
+  _SDT_ASM_OPERANDS_7(arg1, arg2, arg3, arg4, arg5, arg6, arg7), \
+    _SDT_ARG(8, arg8)
+#define _SDT_ASM_OPERANDS_9(arg1,arg2,arg3,arg4,arg5,arg6,arg7,arg8,arg9) \
+  _SDT_ASM_OPERANDS_8(arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8), \
+    _SDT_ARG(9, arg9)
+#define _SDT_ASM_OPERANDS_10(arg1,arg2,arg3,arg4,arg5,arg6,arg7,arg8,arg9,arg10) \
+  _SDT_ASM_OPERANDS_9(arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8, arg9), \
+    _SDT_ARG(10, arg10)
+#define _SDT_ASM_OPERANDS_11(arg1,arg2,arg3,arg4,arg5,arg6,arg7,arg8,arg9,arg10,arg11) \
+  _SDT_ASM_OPERANDS_10(arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8, arg9, arg10), \
+    _SDT_ARG(11, arg11)
+#define _SDT_ASM_OPERANDS_12(arg1,arg2,arg3,arg4,arg5,arg6,arg7,arg8,arg9,arg10,arg11,arg12) \
+  _SDT_ASM_OPERANDS_11(arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8, arg9, arg10, arg11), \
+    _SDT_ARG(12, arg12)
+
+/* These macros can be used in C, C++, or assembly code.
+   In assembly code the arguments should use normal assembly operand syntax.  */
+
+#define STAP_PROBE(provider, name) \
+  _SDT_PROBE(provider, name, 0, ())
+#define STAP_PROBE1(provider, name, arg1) \
+  _SDT_PROBE(provider, name, 1, (arg1))
+#define STAP_PROBE2(provider, name, arg1, arg2) \
+  _SDT_PROBE(provider, name, 2, (arg1, arg2))
+#define STAP_PROBE3(provider, name, arg1, arg2, arg3) \
+  _SDT_PROBE(provider, name, 3, (arg1, arg2, arg3))
+#define STAP_PROBE4(provider, name, arg1, arg2, arg3, arg4) \
+  _SDT_PROBE(provider, name, 4, (arg1, arg2, arg3, arg4))
+#define STAP_PROBE5(provider, name, arg1, arg2, arg3, arg4, arg5) \
+  _SDT_PROBE(provider, name, 5, (arg1, arg2, arg3, arg4, arg5))
+#define STAP_PROBE6(provider, name, arg1, arg2, arg3, arg4, arg5, arg6)	\
+  _SDT_PROBE(provider, name, 6, (arg1, arg2, arg3, arg4, arg5, arg6))
+#define STAP_PROBE7(provider, name, arg1, arg2, arg3, arg4, arg5, arg6, arg7) \
+  _SDT_PROBE(provider, name, 7, (arg1, arg2, arg3, arg4, arg5, arg6, arg7))
+#define STAP_PROBE8(provider,name,arg1,arg2,arg3,arg4,arg5,arg6,arg7,arg8) \
+  _SDT_PROBE(provider, name, 8, (arg1,arg2,arg3,arg4,arg5,arg6,arg7,arg8))
+#define STAP_PROBE9(provider,name,arg1,arg2,arg3,arg4,arg5,arg6,arg7,arg8,arg9)\
+  _SDT_PROBE(provider, name, 9, (arg1,arg2,arg3,arg4,arg5,arg6,arg7,arg8,arg9))
+#define STAP_PROBE10(provider,name,arg1,arg2,arg3,arg4,arg5,arg6,arg7,arg8,arg9,arg10) \
+  _SDT_PROBE(provider, name, 10, \
+	     (arg1,arg2,arg3,arg4,arg5,arg6,arg7,arg8,arg9,arg10))
+#define STAP_PROBE11(provider,name,arg1,arg2,arg3,arg4,arg5,arg6,arg7,arg8,arg9,arg10,arg11) \
+  _SDT_PROBE(provider, name, 11, \
+	     (arg1,arg2,arg3,arg4,arg5,arg6,arg7,arg8,arg9,arg10,arg11))
+#define STAP_PROBE12(provider,name,arg1,arg2,arg3,arg4,arg5,arg6,arg7,arg8,arg9,arg10,arg11,arg12) \
+  _SDT_PROBE(provider, name, 12, \
+	     (arg1,arg2,arg3,arg4,arg5,arg6,arg7,arg8,arg9,arg10,arg11,arg12))
+
+/* This STAP_PROBEV macro can be used in variadic scenarios, where the
+   number of probe arguments is not known until compile time.  Since
+   variadic macro support may vary with compiler options, you must
+   pre-#define SDT_USE_VARIADIC to enable this type of probe.
+
+   The trick to count __VA_ARGS__ was inspired by this post by
+   Laurent Deniau <laurent.deniau@cern.ch>:
+       http://groups.google.com/group/comp.std.c/msg/346fc464319b1ee5
+
+   Note that our _SDT_NARG is called with an extra 0 arg that's not
+   counted, so we don't have to worry about the behavior of macros
+   called without any arguments.  */
+
+#define _SDT_NARG(...) __SDT_NARG(__VA_ARGS__, 12,11,10,9,8,7,6,5,4,3,2,1,0)
+#define __SDT_NARG(_0,_1,_2,_3,_4,_5,_6,_7,_8,_9,_10,_11,_12, N, ...) N
+#ifdef SDT_USE_VARIADIC
+#define _SDT_PROBE_N(provider, name, N, ...) \
+  _SDT_PROBE(provider, name, N, (__VA_ARGS__))
+#define STAP_PROBEV(provider, name, ...) \
+  _SDT_PROBE_N(provider, name, _SDT_NARG(0, ##__VA_ARGS__), ##__VA_ARGS__)
+#endif
+
+/* These macros are for use in asm statements.  You must compile
+   with -std=gnu99 or -std=c99 to use the STAP_PROBE_ASM macro.
+
+   The STAP_PROBE_ASM macro generates a quoted string to be used in the
+   template portion of the asm statement, concatenated with strings that
+   contain the actual assembly code around the probe site.
+
+   For example:
+
+	asm ("before\n"
+	     STAP_PROBE_ASM(provider, fooprobe, %eax 4(%esi))
+	     "after");
+
+   emits the assembly code for "before\nafter", with a probe in between.
+   The probe arguments are the %eax register, and the value of the memory
+   word located 4 bytes past the address in the %esi register.  Note that
+   because this is a simple asm, not a GNU C extended asm statement, these
+   % characters do not need to be doubled to generate literal %reg names.
+
+   In a GNU C extended asm statement, the probe arguments can be specified
+   using the macro STAP_PROBE_ASM_TEMPLATE(n) for n arguments.  The paired
+   macro STAP_PROBE_ASM_OPERANDS gives the C values of these probe arguments,
+   and appears in the input operand list of the asm statement.  For example:
+
+	asm ("someinsn %0,%1\n" // %0 is output operand, %1 is input operand
+	     STAP_PROBE_ASM(provider, fooprobe, STAP_PROBE_ASM_TEMPLATE(3))
+	     "otherinsn %[namedarg]"
+	     : "r" (outvar)
+	     : "g" (some_value), [namedarg] "i" (1234),
+	       STAP_PROBE_ASM_OPERANDS(3, some_value, some_ptr->field, 1234));
+
+    This is just like writing:
+
+	STAP_PROBE3(provider, fooprobe, some_value, some_ptr->field, 1234));
+
+    but the probe site is right between "someinsn" and "otherinsn".
+
+    The probe arguments in STAP_PROBE_ASM can be given as assembly
+    operands instead, even inside a GNU C extended asm statement.
+    Note that these can use operand templates like %0 or %[name],
+    and likewise they must write %%reg for a literal operand of %reg.  */
+
+#define _SDT_ASM_BODY_1(p,n,...) _SDT_ASM_BODY(p,n,_SDT_ASM_SUBSTR,(__VA_ARGS__))
+#define _SDT_ASM_BODY_2(p,n,...) _SDT_ASM_BODY(p,n,/*_SDT_ASM_STRING */,__VA_ARGS__)
+#define _SDT_ASM_BODY_N2(p,n,no,...) _SDT_ASM_BODY_ ## no(p,n,__VA_ARGS__)
+#define _SDT_ASM_BODY_N1(p,n,no,...) _SDT_ASM_BODY_N2(p,n,no,__VA_ARGS__)
+#define _SDT_ASM_BODY_N(p,n,...) _SDT_ASM_BODY_N1(p,n,_SDT_NARG(0, __VA_ARGS__),__VA_ARGS__)
+
+#if __STDC_VERSION__ >= 199901L
+# define STAP_PROBE_ASM(provider, name, ...)		\
+  _SDT_ASM_BODY_N(provider, name, __VA_ARGS__)					\
+  _SDT_ASM_BASE
+# define STAP_PROBE_ASM_OPERANDS(n, ...) _SDT_ASM_OPERANDS_##n(__VA_ARGS__)
+#else
+# define STAP_PROBE_ASM(provider, name, args)	\
+  _SDT_ASM_BODY(provider, name, /* _SDT_ASM_STRING */, (args))	\
+  _SDT_ASM_BASE
+#endif
+#define STAP_PROBE_ASM_TEMPLATE(n) _SDT_ASM_TEMPLATE_##n,"use _SDT_ASM_TEMPLATE_"
+
+
+/* DTrace compatible macro names.  */
+#define DTRACE_PROBE(provider,probe)		\
+  STAP_PROBE(provider,probe)
+#define DTRACE_PROBE1(provider,probe,parm1)	\
+  STAP_PROBE1(provider,probe,parm1)
+#define DTRACE_PROBE2(provider,probe,parm1,parm2)	\
+  STAP_PROBE2(provider,probe,parm1,parm2)
+#define DTRACE_PROBE3(provider,probe,parm1,parm2,parm3) \
+  STAP_PROBE3(provider,probe,parm1,parm2,parm3)
+#define DTRACE_PROBE4(provider,probe,parm1,parm2,parm3,parm4)	\
+  STAP_PROBE4(provider,probe,parm1,parm2,parm3,parm4)
+#define DTRACE_PROBE5(provider,probe,parm1,parm2,parm3,parm4,parm5)	\
+  STAP_PROBE5(provider,probe,parm1,parm2,parm3,parm4,parm5)
+#define DTRACE_PROBE6(provider,probe,parm1,parm2,parm3,parm4,parm5,parm6) \
+  STAP_PROBE6(provider,probe,parm1,parm2,parm3,parm4,parm5,parm6)
+#define DTRACE_PROBE7(provider,probe,parm1,parm2,parm3,parm4,parm5,parm6,parm7) \
+  STAP_PROBE7(provider,probe,parm1,parm2,parm3,parm4,parm5,parm6,parm7)
+#define DTRACE_PROBE8(provider,probe,parm1,parm2,parm3,parm4,parm5,parm6,parm7,parm8) \
+  STAP_PROBE8(provider,probe,parm1,parm2,parm3,parm4,parm5,parm6,parm7,parm8)
+#define DTRACE_PROBE9(provider,probe,parm1,parm2,parm3,parm4,parm5,parm6,parm7,parm8,parm9) \
+  STAP_PROBE9(provider,probe,parm1,parm2,parm3,parm4,parm5,parm6,parm7,parm8,parm9)
+#define DTRACE_PROBE10(provider,probe,parm1,parm2,parm3,parm4,parm5,parm6,parm7,parm8,parm9,parm10) \
+  STAP_PROBE10(provider,probe,parm1,parm2,parm3,parm4,parm5,parm6,parm7,parm8,parm9,parm10)
+#define DTRACE_PROBE11(provider,probe,parm1,parm2,parm3,parm4,parm5,parm6,parm7,parm8,parm9,parm10,parm11) \
+  STAP_PROBE11(provider,probe,parm1,parm2,parm3,parm4,parm5,parm6,parm7,parm8,parm9,parm10,parm11)
+#define DTRACE_PROBE12(provider,probe,parm1,parm2,parm3,parm4,parm5,parm6,parm7,parm8,parm9,parm10,parm11,parm12) \
+  STAP_PROBE12(provider,probe,parm1,parm2,parm3,parm4,parm5,parm6,parm7,parm8,parm9,parm10,parm11,parm12)
+
+
+#endif /* sys/sdt.h */
diff --git a/tools/testing/selftests/bpf/settings b/tools/testing/selftests/bpf/settings
new file mode 100644
index 000000000..e7b941753
--- /dev/null
+++ b/tools/testing/selftests/bpf/settings
@@ -0,0 +1 @@
+timeout=0
diff --git a/tools/testing/selftests/bpf/task_local_storage_helpers.h b/tools/testing/selftests/bpf/task_local_storage_helpers.h
new file mode 100644
index 000000000..711d5abb7
--- /dev/null
+++ b/tools/testing/selftests/bpf/task_local_storage_helpers.h
@@ -0,0 +1,18 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef __TASK_LOCAL_STORAGE_HELPER_H
+#define __TASK_LOCAL_STORAGE_HELPER_H
+
+#include <unistd.h>
+#include <sys/syscall.h>
+#include <sys/types.h>
+
+#ifndef __NR_pidfd_open
+#define __NR_pidfd_open 434
+#endif
+
+static inline int sys_pidfd_open(pid_t pid, unsigned int flags)
+{
+	return syscall(__NR_pidfd_open, pid, flags);
+}
+
+#endif
diff --git a/tools/testing/selftests/bpf/test_bpftool.py b/tools/testing/selftests/bpf/test_bpftool.py
new file mode 100644
index 000000000..1c2408ee1
--- /dev/null
+++ b/tools/testing/selftests/bpf/test_bpftool.py
@@ -0,0 +1,174 @@
+# SPDX-License-Identifier: GPL-2.0
+# Copyright (c) 2020 SUSE LLC.
+
+import collections
+import functools
+import json
+import os
+import socket
+import subprocess
+import unittest
+
+
+# Add the source tree of bpftool and /usr/local/sbin to PATH
+cur_dir = os.path.dirname(os.path.realpath(__file__))
+bpftool_dir = os.path.abspath(os.path.join(cur_dir, "..", "..", "..", "..",
+                                           "tools", "bpf", "bpftool"))
+os.environ["PATH"] = bpftool_dir + ":/usr/local/sbin:" + os.environ["PATH"]
+
+
+class IfaceNotFoundError(Exception):
+    pass
+
+
+class UnprivilegedUserError(Exception):
+    pass
+
+
+def _bpftool(args, json=True):
+    _args = ["bpftool"]
+    if json:
+        _args.append("-j")
+    _args.extend(args)
+
+    return subprocess.check_output(_args)
+
+
+def bpftool(args):
+    return _bpftool(args, json=False).decode("utf-8")
+
+
+def bpftool_json(args):
+    res = _bpftool(args)
+    return json.loads(res)
+
+
+def get_default_iface():
+    for iface in socket.if_nameindex():
+        if iface[1] != "lo":
+            return iface[1]
+    raise IfaceNotFoundError("Could not find any network interface to probe")
+
+
+def default_iface(f):
+    @functools.wraps(f)
+    def wrapper(*args, **kwargs):
+        iface = get_default_iface()
+        return f(*args, iface, **kwargs)
+    return wrapper
+
+DMESG_EMITTING_HELPERS = [
+        "bpf_probe_write_user",
+        "bpf_trace_printk",
+        "bpf_trace_vprintk",
+    ]
+
+class TestBpftool(unittest.TestCase):
+    @classmethod
+    def setUpClass(cls):
+        if os.getuid() != 0:
+            raise UnprivilegedUserError(
+                "This test suite needs root privileges")
+
+    @default_iface
+    def test_feature_dev_json(self, iface):
+        unexpected_helpers = DMESG_EMITTING_HELPERS
+        expected_keys = [
+            "syscall_config",
+            "program_types",
+            "map_types",
+            "helpers",
+            "misc",
+        ]
+
+        res = bpftool_json(["feature", "probe", "dev", iface])
+        # Check if the result has all expected keys.
+        self.assertCountEqual(res.keys(), expected_keys)
+        # Check if unexpected helpers are not included in helpers probes
+        # result.
+        for helpers in res["helpers"].values():
+            for unexpected_helper in unexpected_helpers:
+                self.assertNotIn(unexpected_helper, helpers)
+
+    def test_feature_kernel(self):
+        test_cases = [
+            bpftool_json(["feature", "probe", "kernel"]),
+            bpftool_json(["feature", "probe"]),
+            bpftool_json(["feature"]),
+        ]
+        unexpected_helpers = DMESG_EMITTING_HELPERS
+        expected_keys = [
+            "syscall_config",
+            "system_config",
+            "program_types",
+            "map_types",
+            "helpers",
+            "misc",
+        ]
+
+        for tc in test_cases:
+            # Check if the result has all expected keys.
+            self.assertCountEqual(tc.keys(), expected_keys)
+            # Check if unexpected helpers are not included in helpers probes
+            # result.
+            for helpers in tc["helpers"].values():
+                for unexpected_helper in unexpected_helpers:
+                    self.assertNotIn(unexpected_helper, helpers)
+
+    def test_feature_kernel_full(self):
+        test_cases = [
+            bpftool_json(["feature", "probe", "kernel", "full"]),
+            bpftool_json(["feature", "probe", "full"]),
+        ]
+        expected_helpers = DMESG_EMITTING_HELPERS
+
+        for tc in test_cases:
+            # Check if expected helpers are included at least once in any
+            # helpers list for any program type. Unfortunately we cannot assume
+            # that they will be included in all program types or a specific
+            # subset of programs. It depends on the kernel version and
+            # configuration.
+            found_helpers = False
+
+            for helpers in tc["helpers"].values():
+                if all(expected_helper in helpers
+                       for expected_helper in expected_helpers):
+                    found_helpers = True
+                    break
+
+            self.assertTrue(found_helpers)
+
+    def test_feature_kernel_full_vs_not_full(self):
+        full_res = bpftool_json(["feature", "probe", "full"])
+        not_full_res = bpftool_json(["feature", "probe"])
+        not_full_set = set()
+        full_set = set()
+
+        for helpers in full_res["helpers"].values():
+            for helper in helpers:
+                full_set.add(helper)
+
+        for helpers in not_full_res["helpers"].values():
+            for helper in helpers:
+                not_full_set.add(helper)
+
+        self.assertCountEqual(full_set - not_full_set,
+                              set(DMESG_EMITTING_HELPERS))
+        self.assertCountEqual(not_full_set - full_set, set())
+
+    def test_feature_macros(self):
+        expected_patterns = [
+            r"/\*\*\* System call availability \*\*\*/",
+            r"#define HAVE_BPF_SYSCALL",
+            r"/\*\*\* eBPF program types \*\*\*/",
+            r"#define HAVE.*PROG_TYPE",
+            r"/\*\*\* eBPF map types \*\*\*/",
+            r"#define HAVE.*MAP_TYPE",
+            r"/\*\*\* eBPF helper functions \*\*\*/",
+            r"#define HAVE.*HELPER",
+            r"/\*\*\* eBPF misc features \*\*\*/",
+        ]
+
+        res = bpftool(["feature", "probe", "macros"])
+        for pattern in expected_patterns:
+            self.assertRegex(res, pattern)
diff --git a/tools/testing/selftests/bpf/test_bpftool.sh b/tools/testing/selftests/bpf/test_bpftool.sh
new file mode 100755
index 000000000..718f59692
--- /dev/null
+++ b/tools/testing/selftests/bpf/test_bpftool.sh
@@ -0,0 +1,11 @@
+#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
+# Copyright (c) 2020 SUSE LLC.
+
+# 'make -C tools/testing/selftests/bpf install' will install to SCRIPT_DIR
+SCRIPT_DIR=$(dirname $(realpath $0))
+
+# 'make -C tools/testing/selftests/bpf' will install to BPFTOOL_INSTALL_PATH
+BPFTOOL_INSTALL_PATH="$SCRIPT_DIR"/tools/sbin
+export PATH=$SCRIPT_DIR:$BPFTOOL_INSTALL_PATH:$PATH
+python3 -m unittest -v test_bpftool.TestBpftool
diff --git a/tools/testing/selftests/bpf/test_bpftool_build.sh b/tools/testing/selftests/bpf/test_bpftool_build.sh
new file mode 100755
index 000000000..1453a53ed
--- /dev/null
+++ b/tools/testing/selftests/bpf/test_bpftool_build.sh
@@ -0,0 +1,151 @@
+#!/bin/bash
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+
+case $1 in
+	-h|--help)
+		echo -e "$0 [-j <n>]"
+		echo -e "\tTest the different ways of building bpftool."
+		echo -e ""
+		echo -e "\tOptions:"
+		echo -e "\t\t-j <n>:\tPass -j flag to 'make'."
+		exit 0
+		;;
+esac
+
+J=$*
+
+# Assume script is located under tools/testing/selftests/bpf/. We want to start
+# build attempts from the top of kernel repository.
+SCRIPT_REL_PATH=$(realpath --relative-to=$PWD $0)
+SCRIPT_REL_DIR=$(dirname $SCRIPT_REL_PATH)
+KDIR_ROOT_DIR=$(realpath $PWD/$SCRIPT_REL_DIR/../../../../)
+cd $KDIR_ROOT_DIR
+if [ ! -e tools/bpf/bpftool/Makefile ]; then
+	echo -e "skip:    bpftool files not found!\n"
+	exit 4 # KSFT_SKIP=4
+fi
+
+ERROR=0
+TMPDIR=
+
+# If one build fails, continue but return non-0 on exit.
+return_value() {
+	if [ -d "$TMPDIR" ] ; then
+		rm -rf -- $TMPDIR
+	fi
+	exit $ERROR
+}
+trap return_value EXIT
+
+check() {
+	local dir=$(realpath $1)
+
+	echo -n "binary:  "
+	# Returns non-null if file is found (and "false" is run)
+	find $dir -type f -executable -name bpftool -print -exec false {} + && \
+		ERROR=1 && printf "FAILURE: Did not find bpftool\n"
+}
+
+make_and_clean() {
+	echo -e "\$PWD:    $PWD"
+	echo -e "command: make -s $* >/dev/null"
+	make $J -s $* >/dev/null
+	if [ $? -ne 0 ] ; then
+		ERROR=1
+	fi
+	if [ $# -ge 1 ] ; then
+		check ${@: -1}
+	else
+		check .
+	fi
+	(
+		if [ $# -ge 1 ] ; then
+			cd ${@: -1}
+		fi
+		make -s clean
+	)
+	echo
+}
+
+make_with_tmpdir() {
+	local ARGS
+
+	TMPDIR=$(mktemp -d)
+	if [ $# -ge 2 ] ; then
+		ARGS=${@:1:(($# - 1))}
+	fi
+	echo -e "\$PWD:    $PWD"
+	echo -e "command: make -s $ARGS ${@: -1}=$TMPDIR/ >/dev/null"
+	make $J -s $ARGS ${@: -1}=$TMPDIR/ >/dev/null
+	if [ $? -ne 0 ] ; then
+		ERROR=1
+	fi
+	check $TMPDIR
+	rm -rf -- $TMPDIR
+	echo
+}
+
+echo "Trying to build bpftool"
+echo -e "... through kbuild\n"
+
+if [ -f ".config" ] ; then
+	make_and_clean tools/bpf
+	## "make tools/bpf" sets $(OUTPUT) to ...tools/bpf/runqslower for
+	## runqslower, but the default (used for the "clean" target) is .output.
+	## Let's make sure we clean runqslower's directory properly.
+	make -C tools/bpf/runqslower OUTPUT=${KDIR_ROOT_DIR}/tools/bpf/runqslower/ clean
+
+	## $OUTPUT is overwritten in kbuild Makefile, and thus cannot be passed
+	## down from toplevel Makefile to bpftool's Makefile.
+
+	# make_with_tmpdir tools/bpf OUTPUT
+	echo -e "skip:    make tools/bpf OUTPUT=<dir> (not supported)\n"
+
+	make_with_tmpdir tools/bpf O
+else
+	echo -e "skip:    make tools/bpf (no .config found)\n"
+	echo -e "skip:    make tools/bpf OUTPUT=<dir> (not supported)\n"
+	echo -e "skip:    make tools/bpf O=<dir> (no .config found)\n"
+fi
+
+echo -e "... from kernel source tree\n"
+
+make_and_clean -C tools/bpf/bpftool
+
+make_with_tmpdir -C tools/bpf/bpftool OUTPUT
+
+make_with_tmpdir -C tools/bpf/bpftool O
+
+echo -e "... from tools/\n"
+cd tools/
+
+make_and_clean bpf
+
+## In tools/bpf/Makefile, function "descend" is called and passes $(O) and
+## $(OUTPUT). We would like $(OUTPUT) to have "bpf/bpftool/" appended before
+## calling bpftool's Makefile, but this is not the case as the "descend"
+## function focuses on $(O)/$(subdir). However, in the present case, updating
+## $(O) to have $(OUTPUT) recomputed from it in bpftool's Makefile does not
+## work, because $(O) is not defined from command line and $(OUTPUT) is not
+## updated in tools/scripts/Makefile.include.
+##
+## Workarounds would require to a) edit "descend" or use an alternative way to
+## call bpftool's Makefile, b) modify the conditions to update $(OUTPUT) and
+## other variables in tools/scripts/Makefile.include (at the risk of breaking
+## the build of other tools), or c) append manually the "bpf/bpftool" suffix to
+## $(OUTPUT) in bpf's Makefile, which may break if targets for other directories
+## use "descend" in the future.
+
+# make_with_tmpdir bpf OUTPUT
+echo -e "skip:    make bpf OUTPUT=<dir> (not supported)\n"
+
+make_with_tmpdir bpf O
+
+echo -e "... from bpftool's dir\n"
+cd bpf/bpftool
+
+make_and_clean
+
+make_with_tmpdir OUTPUT
+
+make_with_tmpdir O
diff --git a/tools/testing/selftests/bpf/test_bpftool_metadata.sh b/tools/testing/selftests/bpf/test_bpftool_metadata.sh
new file mode 100755
index 000000000..b5520692f
--- /dev/null
+++ b/tools/testing/selftests/bpf/test_bpftool_metadata.sh
@@ -0,0 +1,85 @@
+#!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
+
+# Kselftest framework requirement - SKIP code is 4.
+ksft_skip=4
+
+BPF_FILE_USED="metadata_used.bpf.o"
+BPF_FILE_UNUSED="metadata_unused.bpf.o"
+
+TESTNAME=bpftool_metadata
+BPF_FS=$(awk '$3 == "bpf" {print $2; exit}' /proc/mounts)
+BPF_DIR=$BPF_FS/test_$TESTNAME
+
+_cleanup()
+{
+	set +e
+	rm -rf $BPF_DIR 2> /dev/null
+}
+
+cleanup_skip()
+{
+	echo "selftests: $TESTNAME [SKIP]"
+	_cleanup
+
+	exit $ksft_skip
+}
+
+cleanup()
+{
+	if [ "$?" = 0 ]; then
+		echo "selftests: $TESTNAME [PASS]"
+	else
+		echo "selftests: $TESTNAME [FAILED]"
+	fi
+	_cleanup
+}
+
+if [ $(id -u) -ne 0 ]; then
+	echo "selftests: $TESTNAME [SKIP] Need root privileges"
+	exit $ksft_skip
+fi
+
+if [ -z "$BPF_FS" ]; then
+	echo "selftests: $TESTNAME [SKIP] Could not run test without bpffs mounted"
+	exit $ksft_skip
+fi
+
+if ! bpftool version > /dev/null 2>&1; then
+	echo "selftests: $TESTNAME [SKIP] Could not run test without bpftool"
+	exit $ksft_skip
+fi
+
+set -e
+
+trap cleanup_skip EXIT
+
+mkdir $BPF_DIR
+
+trap cleanup EXIT
+
+bpftool prog load $BPF_FILE_UNUSED $BPF_DIR/unused
+
+METADATA_PLAIN="$(bpftool prog)"
+echo "$METADATA_PLAIN" | grep 'a = "foo"' > /dev/null
+echo "$METADATA_PLAIN" | grep 'b = 1' > /dev/null
+
+bpftool prog --json | grep '"metadata":{"a":"foo","b":1}' > /dev/null
+
+bpftool map | grep 'metadata.rodata' > /dev/null
+
+rm $BPF_DIR/unused
+
+bpftool prog load $BPF_FILE_USED $BPF_DIR/used
+
+METADATA_PLAIN="$(bpftool prog)"
+echo "$METADATA_PLAIN" | grep 'a = "bar"' > /dev/null
+echo "$METADATA_PLAIN" | grep 'b = 2' > /dev/null
+
+bpftool prog --json | grep '"metadata":{"a":"bar","b":2}' > /dev/null
+
+bpftool map | grep 'metadata.rodata' > /dev/null
+
+rm $BPF_DIR/used
+
+exit 0
diff --git a/tools/testing/selftests/bpf/test_bpftool_synctypes.py b/tools/testing/selftests/bpf/test_bpftool_synctypes.py
new file mode 100755
index 000000000..a6410bebe
--- /dev/null
+++ b/tools/testing/selftests/bpf/test_bpftool_synctypes.py
@@ -0,0 +1,610 @@
+#!/usr/bin/env python3
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+#
+# Copyright (C) 2021 Isovalent, Inc.
+
+import argparse
+import re
+import os, sys
+
+LINUX_ROOT = os.path.abspath(os.path.join(__file__,
+    os.pardir, os.pardir, os.pardir, os.pardir, os.pardir))
+BPFTOOL_DIR = os.getenv('BPFTOOL_DIR',
+    os.path.join(LINUX_ROOT, 'tools/bpf/bpftool'))
+BPFTOOL_BASHCOMP_DIR = os.getenv('BPFTOOL_BASHCOMP_DIR',
+    os.path.join(BPFTOOL_DIR, 'bash-completion'))
+BPFTOOL_DOC_DIR = os.getenv('BPFTOOL_DOC_DIR',
+    os.path.join(BPFTOOL_DIR, 'Documentation'))
+INCLUDE_DIR = os.getenv('INCLUDE_DIR',
+    os.path.join(LINUX_ROOT, 'tools/include'))
+
+retval = 0
+
+class BlockParser(object):
+    """
+    A parser for extracting set of values from blocks such as enums.
+    @reader: a pointer to the open file to parse
+    """
+    def __init__(self, reader):
+        self.reader = reader
+
+    def search_block(self, start_marker):
+        """
+        Search for a given structure in a file.
+        @start_marker: regex marking the beginning of a structure to parse
+        """
+        offset = self.reader.tell()
+        array_start = re.search(start_marker, self.reader.read())
+        if array_start is None:
+            raise Exception('Failed to find start of block')
+        self.reader.seek(offset + array_start.start())
+
+    def parse(self, pattern, end_marker):
+        """
+        Parse a block and return a set of values. Values to extract must be
+        on separate lines in the file.
+        @pattern: pattern used to identify the values to extract
+        @end_marker: regex marking the end of the block to parse
+        """
+        entries = set()
+        while True:
+            line = self.reader.readline()
+            if not line or re.match(end_marker, line):
+                break
+            capture = pattern.search(line)
+            if capture and pattern.groups >= 1:
+                entries.add(capture.group(1))
+        return entries
+
+class ArrayParser(BlockParser):
+    """
+    A parser for extracting a set of values from some BPF-related arrays.
+    @reader: a pointer to the open file to parse
+    @array_name: name of the array to parse
+    """
+    end_marker = re.compile('^};')
+
+    def __init__(self, reader, array_name):
+        self.array_name = array_name
+        self.start_marker = re.compile(f'(static )?const bool {self.array_name}\[.*\] = {{\n')
+        super().__init__(reader)
+
+    def search_block(self):
+        """
+        Search for the given array in a file.
+        """
+        super().search_block(self.start_marker);
+
+    def parse(self):
+        """
+        Parse a block and return data as a dictionary. Items to extract must be
+        on separate lines in the file.
+        """
+        pattern = re.compile('\[(BPF_\w*)\]\s*= (true|false),?$')
+        entries = set()
+        while True:
+            line = self.reader.readline()
+            if line == '' or re.match(self.end_marker, line):
+                break
+            capture = pattern.search(line)
+            if capture:
+                entries |= {capture.group(1)}
+        return entries
+
+class InlineListParser(BlockParser):
+    """
+    A parser for extracting set of values from inline lists.
+    """
+    def parse(self, pattern, end_marker):
+        """
+        Parse a block and return a set of values. Multiple values to extract
+        can be on a same line in the file.
+        @pattern: pattern used to identify the values to extract
+        @end_marker: regex marking the end of the block to parse
+        """
+        entries = set()
+        while True:
+            line = self.reader.readline()
+            if not line:
+                break
+            entries.update(pattern.findall(line))
+            if re.search(end_marker, line):
+                break
+        return entries
+
+class FileExtractor(object):
+    """
+    A generic reader for extracting data from a given file. This class contains
+    several helper methods that wrap around parser objects to extract values
+    from different structures.
+    This class does not offer a way to set a filename, which is expected to be
+    defined in children classes.
+    """
+    def __init__(self):
+        self.reader = open(self.filename, 'r')
+
+    def close(self):
+        """
+        Close the file used by the parser.
+        """
+        self.reader.close()
+
+    def reset_read(self):
+        """
+        Reset the file position indicator for this parser. This is useful when
+        parsing several structures in the file without respecting the order in
+        which those structures appear in the file.
+        """
+        self.reader.seek(0)
+
+    def get_types_from_array(self, array_name):
+        """
+        Search for and parse a list of allowed BPF_* enum members, for example:
+
+            const bool prog_type_name[] = {
+                    [BPF_PROG_TYPE_UNSPEC]                  = true,
+                    [BPF_PROG_TYPE_SOCKET_FILTER]           = true,
+                    [BPF_PROG_TYPE_KPROBE]                  = true,
+            };
+
+        Return a set of the enum members, for example:
+
+            {'BPF_PROG_TYPE_UNSPEC',
+             'BPF_PROG_TYPE_SOCKET_FILTER',
+             'BPF_PROG_TYPE_KPROBE'}
+
+        @array_name: name of the array to parse
+        """
+        array_parser = ArrayParser(self.reader, array_name)
+        array_parser.search_block()
+        return array_parser.parse()
+
+    def get_enum(self, enum_name):
+        """
+        Search for and parse an enum containing BPF_* members, for example:
+
+            enum bpf_prog_type {
+                    BPF_PROG_TYPE_UNSPEC,
+                    BPF_PROG_TYPE_SOCKET_FILTER,
+                    BPF_PROG_TYPE_KPROBE,
+            };
+
+        Return a set containing all member names, for example:
+
+            {'BPF_PROG_TYPE_UNSPEC',
+             'BPF_PROG_TYPE_SOCKET_FILTER',
+             'BPF_PROG_TYPE_KPROBE'}
+
+        @enum_name: name of the enum to parse
+        """
+        start_marker = re.compile(f'enum {enum_name} {{\n')
+        pattern = re.compile('^\s*(BPF_\w+),?(\s+/\*.*\*/)?$')
+        end_marker = re.compile('^};')
+        parser = BlockParser(self.reader)
+        parser.search_block(start_marker)
+        return parser.parse(pattern, end_marker)
+
+    def make_enum_map(self, names, enum_prefix):
+        """
+        Search for and parse an enum containing BPF_* members, just as get_enum
+        does. However, instead of just returning a set of the variant names,
+        also generate a textual representation from them by (assuming and)
+        removing a provided prefix and lowercasing the remainder. Then return a
+        dict mapping from name to textual representation.
+
+        @enum_values: a set of enum values; e.g., as retrieved by get_enum
+        @enum_prefix: the prefix to remove from each of the variants to infer
+        textual representation
+        """
+        mapping = {}
+        for name in names:
+            if not name.startswith(enum_prefix):
+                raise Exception(f"enum variant {name} does not start with {enum_prefix}")
+            text = name[len(enum_prefix):].lower()
+            mapping[name] = text
+
+        return mapping
+
+    def __get_description_list(self, start_marker, pattern, end_marker):
+        parser = InlineListParser(self.reader)
+        parser.search_block(start_marker)
+        return parser.parse(pattern, end_marker)
+
+    def get_rst_list(self, block_name):
+        """
+        Search for and parse a list of type names from RST documentation, for
+        example:
+
+             |       *TYPE* := {
+             |               **socket** | **kprobe** |
+             |               **kretprobe**
+             |       }
+
+        Return a set containing all type names, for example:
+
+            {'socket', 'kprobe', 'kretprobe'}
+
+        @block_name: name of the blog to parse, 'TYPE' in the example
+        """
+        start_marker = re.compile(f'\*{block_name}\* := {{')
+        pattern = re.compile('\*\*([\w/-]+)\*\*')
+        end_marker = re.compile('}\n')
+        return self.__get_description_list(start_marker, pattern, end_marker)
+
+    def get_help_list(self, block_name):
+        """
+        Search for and parse a list of type names from a help message in
+        bpftool, for example:
+
+            "       TYPE := { socket | kprobe |\\n"
+            "               kretprobe }\\n"
+
+        Return a set containing all type names, for example:
+
+            {'socket', 'kprobe', 'kretprobe'}
+
+        @block_name: name of the blog to parse, 'TYPE' in the example
+        """
+        start_marker = re.compile(f'"\s*{block_name} := {{')
+        pattern = re.compile('([\w/]+) [|}]')
+        end_marker = re.compile('}')
+        return self.__get_description_list(start_marker, pattern, end_marker)
+
+    def get_help_list_macro(self, macro):
+        """
+        Search for and parse a list of values from a help message starting with
+        a macro in bpftool, for example:
+
+            "       " HELP_SPEC_OPTIONS " |\\n"
+            "                    {-f|--bpffs} | {-m|--mapcompat} | {-n|--nomount} }\\n"
+
+        Return a set containing all item names, for example:
+
+            {'-f', '--bpffs', '-m', '--mapcompat', '-n', '--nomount'}
+
+        @macro: macro starting the block, 'HELP_SPEC_OPTIONS' in the example
+        """
+        start_marker = re.compile(f'"\s*{macro}\s*" [|}}]')
+        pattern = re.compile('([\w-]+) ?(?:\||}[ }\]])')
+        end_marker = re.compile('}\\\\n')
+        return self.__get_description_list(start_marker, pattern, end_marker)
+
+    def get_bashcomp_list(self, block_name):
+        """
+        Search for and parse a list of type names from a variable in bash
+        completion file, for example:
+
+            local BPFTOOL_PROG_LOAD_TYPES='socket kprobe \\
+                kretprobe'
+
+        Return a set containing all type names, for example:
+
+            {'socket', 'kprobe', 'kretprobe'}
+
+        @block_name: name of the blog to parse, 'TYPE' in the example
+        """
+        start_marker = re.compile(f'local {block_name}=\'')
+        pattern = re.compile('(?:.*=\')?([\w/]+)')
+        end_marker = re.compile('\'$')
+        return self.__get_description_list(start_marker, pattern, end_marker)
+
+class SourceFileExtractor(FileExtractor):
+    """
+    An abstract extractor for a source file with usage message.
+    This class does not offer a way to set a filename, which is expected to be
+    defined in children classes.
+    """
+    def get_options(self):
+        return self.get_help_list_macro('HELP_SPEC_OPTIONS')
+
+class MainHeaderFileExtractor(SourceFileExtractor):
+    """
+    An extractor for bpftool's main.h
+    """
+    filename = os.path.join(BPFTOOL_DIR, 'main.h')
+
+    def get_common_options(self):
+        """
+        Parse the list of common options in main.h (options that apply to all
+        commands), which looks to the lists of options in other source files
+        but has different start and end markers:
+
+            "OPTIONS := { {-j|--json} [{-p|--pretty}] | {-d|--debug} | {-l|--legacy}"
+
+        Return a set containing all options, such as:
+
+            {'-p', '-d', '--legacy', '--pretty', '--debug', '--json', '-l', '-j'}
+        """
+        start_marker = re.compile(f'"OPTIONS :=')
+        pattern = re.compile('([\w-]+) ?(?:\||}[ }\]"])')
+        end_marker = re.compile('#define')
+
+        parser = InlineListParser(self.reader)
+        parser.search_block(start_marker)
+        return parser.parse(pattern, end_marker)
+
+class ManSubstitutionsExtractor(SourceFileExtractor):
+    """
+    An extractor for substitutions.rst
+    """
+    filename = os.path.join(BPFTOOL_DOC_DIR, 'substitutions.rst')
+
+    def get_common_options(self):
+        """
+        Parse the list of common options in substitutions.rst (options that
+        apply to all commands).
+
+        Return a set containing all options, such as:
+
+            {'-p', '-d', '--legacy', '--pretty', '--debug', '--json', '-l', '-j'}
+        """
+        start_marker = re.compile('\|COMMON_OPTIONS\| replace:: {')
+        pattern = re.compile('\*\*([\w/-]+)\*\*')
+        end_marker = re.compile('}$')
+
+        parser = InlineListParser(self.reader)
+        parser.search_block(start_marker)
+        return parser.parse(pattern, end_marker)
+
+class ProgFileExtractor(SourceFileExtractor):
+    """
+    An extractor for bpftool's prog.c.
+    """
+    filename = os.path.join(BPFTOOL_DIR, 'prog.c')
+
+    def get_attach_types(self):
+        types = self.get_types_from_array('attach_types')
+        return self.make_enum_map(types, 'BPF_')
+
+    def get_prog_attach_help(self):
+        return self.get_help_list('ATTACH_TYPE')
+
+class MapFileExtractor(SourceFileExtractor):
+    """
+    An extractor for bpftool's map.c.
+    """
+    filename = os.path.join(BPFTOOL_DIR, 'map.c')
+
+    def get_map_help(self):
+        return self.get_help_list('TYPE')
+
+class CgroupFileExtractor(SourceFileExtractor):
+    """
+    An extractor for bpftool's cgroup.c.
+    """
+    filename = os.path.join(BPFTOOL_DIR, 'cgroup.c')
+
+    def get_prog_attach_help(self):
+        return self.get_help_list('ATTACH_TYPE')
+
+class GenericSourceExtractor(SourceFileExtractor):
+    """
+    An extractor for generic source code files.
+    """
+    filename = ""
+
+    def __init__(self, filename):
+        self.filename = os.path.join(BPFTOOL_DIR, filename)
+        super().__init__()
+
+class BpfHeaderExtractor(FileExtractor):
+    """
+    An extractor for the UAPI BPF header.
+    """
+    filename = os.path.join(INCLUDE_DIR, 'uapi/linux/bpf.h')
+
+    def __init__(self):
+        super().__init__()
+        self.attach_types = {}
+
+    def get_prog_types(self):
+        return self.get_enum('bpf_prog_type')
+
+    def get_map_type_map(self):
+        names = self.get_enum('bpf_map_type')
+        return self.make_enum_map(names, 'BPF_MAP_TYPE_')
+
+    def get_attach_type_map(self):
+        if not self.attach_types:
+          names = self.get_enum('bpf_attach_type')
+          self.attach_types = self.make_enum_map(names, 'BPF_')
+        return self.attach_types
+
+    def get_cgroup_attach_type_map(self):
+        if not self.attach_types:
+            self.get_attach_type_map()
+        return {name: text for name, text in self.attach_types.items()
+            if name.startswith('BPF_CGROUP')}
+
+class ManPageExtractor(FileExtractor):
+    """
+    An abstract extractor for an RST documentation page.
+    This class does not offer a way to set a filename, which is expected to be
+    defined in children classes.
+    """
+    def get_options(self):
+        return self.get_rst_list('OPTIONS')
+
+class ManProgExtractor(ManPageExtractor):
+    """
+    An extractor for bpftool-prog.rst.
+    """
+    filename = os.path.join(BPFTOOL_DOC_DIR, 'bpftool-prog.rst')
+
+    def get_attach_types(self):
+        return self.get_rst_list('ATTACH_TYPE')
+
+class ManMapExtractor(ManPageExtractor):
+    """
+    An extractor for bpftool-map.rst.
+    """
+    filename = os.path.join(BPFTOOL_DOC_DIR, 'bpftool-map.rst')
+
+    def get_map_types(self):
+        return self.get_rst_list('TYPE')
+
+class ManCgroupExtractor(ManPageExtractor):
+    """
+    An extractor for bpftool-cgroup.rst.
+    """
+    filename = os.path.join(BPFTOOL_DOC_DIR, 'bpftool-cgroup.rst')
+
+    def get_attach_types(self):
+        return self.get_rst_list('ATTACH_TYPE')
+
+class ManGenericExtractor(ManPageExtractor):
+    """
+    An extractor for generic RST documentation pages.
+    """
+    filename = ""
+
+    def __init__(self, filename):
+        self.filename = os.path.join(BPFTOOL_DIR, filename)
+        super().__init__()
+
+class BashcompExtractor(FileExtractor):
+    """
+    An extractor for bpftool's bash completion file.
+    """
+    filename = os.path.join(BPFTOOL_BASHCOMP_DIR, 'bpftool')
+
+    def get_prog_attach_types(self):
+        return self.get_bashcomp_list('BPFTOOL_PROG_ATTACH_TYPES')
+
+def verify(first_set, second_set, message):
+    """
+    Print all values that differ between two sets.
+    @first_set: one set to compare
+    @second_set: another set to compare
+    @message: message to print for values belonging to only one of the sets
+    """
+    global retval
+    diff = first_set.symmetric_difference(second_set)
+    if diff:
+        print(message, diff)
+        retval = 1
+
+def main():
+    # No arguments supported at this time, but print usage for -h|--help
+    argParser = argparse.ArgumentParser(description="""
+    Verify that bpftool's code, help messages, documentation and bash
+    completion are all in sync on program types, map types, attach types, and
+    options. Also check that bpftool is in sync with the UAPI BPF header.
+    """)
+    args = argParser.parse_args()
+
+    bpf_info = BpfHeaderExtractor()
+
+    # Map types (names)
+
+    map_info = MapFileExtractor()
+    source_map_types = set(bpf_info.get_map_type_map().values())
+    source_map_types.discard('unspec')
+
+    help_map_types = map_info.get_map_help()
+    help_map_options = map_info.get_options()
+    map_info.close()
+
+    man_map_info = ManMapExtractor()
+    man_map_options = man_map_info.get_options()
+    man_map_types = man_map_info.get_map_types()
+    man_map_info.close()
+
+    verify(source_map_types, help_map_types,
+            f'Comparing {BpfHeaderExtractor.filename} (bpf_map_type) and {MapFileExtractor.filename} (do_help() TYPE):')
+    verify(source_map_types, man_map_types,
+            f'Comparing {BpfHeaderExtractor.filename} (bpf_map_type) and {ManMapExtractor.filename} (TYPE):')
+    verify(help_map_options, man_map_options,
+            f'Comparing {MapFileExtractor.filename} (do_help() OPTIONS) and {ManMapExtractor.filename} (OPTIONS):')
+
+    # Attach types (names)
+
+    prog_info = ProgFileExtractor()
+    source_prog_attach_types = set(prog_info.get_attach_types().values())
+
+    help_prog_attach_types = prog_info.get_prog_attach_help()
+    help_prog_options = prog_info.get_options()
+    prog_info.close()
+
+    man_prog_info = ManProgExtractor()
+    man_prog_options = man_prog_info.get_options()
+    man_prog_attach_types = man_prog_info.get_attach_types()
+    man_prog_info.close()
+
+
+    bashcomp_info = BashcompExtractor()
+    bashcomp_prog_attach_types = bashcomp_info.get_prog_attach_types()
+    bashcomp_info.close()
+
+    verify(source_prog_attach_types, help_prog_attach_types,
+            f'Comparing {ProgFileExtractor.filename} (bpf_attach_type) and {ProgFileExtractor.filename} (do_help() ATTACH_TYPE):')
+    verify(source_prog_attach_types, man_prog_attach_types,
+            f'Comparing {ProgFileExtractor.filename} (bpf_attach_type) and {ManProgExtractor.filename} (ATTACH_TYPE):')
+    verify(help_prog_options, man_prog_options,
+            f'Comparing {ProgFileExtractor.filename} (do_help() OPTIONS) and {ManProgExtractor.filename} (OPTIONS):')
+    verify(source_prog_attach_types, bashcomp_prog_attach_types,
+            f'Comparing {ProgFileExtractor.filename} (bpf_attach_type) and {BashcompExtractor.filename} (BPFTOOL_PROG_ATTACH_TYPES):')
+
+    # Cgroup attach types
+    source_cgroup_attach_types = set(bpf_info.get_cgroup_attach_type_map().values())
+    bpf_info.close()
+
+    cgroup_info = CgroupFileExtractor()
+    help_cgroup_attach_types = cgroup_info.get_prog_attach_help()
+    help_cgroup_options = cgroup_info.get_options()
+    cgroup_info.close()
+
+    man_cgroup_info = ManCgroupExtractor()
+    man_cgroup_options = man_cgroup_info.get_options()
+    man_cgroup_attach_types = man_cgroup_info.get_attach_types()
+    man_cgroup_info.close()
+
+    verify(source_cgroup_attach_types, help_cgroup_attach_types,
+            f'Comparing {BpfHeaderExtractor.filename} (bpf_attach_type) and {CgroupFileExtractor.filename} (do_help() ATTACH_TYPE):')
+    verify(source_cgroup_attach_types, man_cgroup_attach_types,
+            f'Comparing {BpfHeaderExtractor.filename} (bpf_attach_type) and {ManCgroupExtractor.filename} (ATTACH_TYPE):')
+    verify(help_cgroup_options, man_cgroup_options,
+            f'Comparing {CgroupFileExtractor.filename} (do_help() OPTIONS) and {ManCgroupExtractor.filename} (OPTIONS):')
+
+    # Options for remaining commands
+
+    for cmd in [ 'btf', 'feature', 'gen', 'iter', 'link', 'net', 'perf', 'struct_ops', ]:
+        source_info = GenericSourceExtractor(cmd + '.c')
+        help_cmd_options = source_info.get_options()
+        source_info.close()
+
+        man_cmd_info = ManGenericExtractor(os.path.join(BPFTOOL_DOC_DIR, 'bpftool-' + cmd + '.rst'))
+        man_cmd_options = man_cmd_info.get_options()
+        man_cmd_info.close()
+
+        verify(help_cmd_options, man_cmd_options,
+                f'Comparing {source_info.filename} (do_help() OPTIONS) and {man_cmd_info.filename} (OPTIONS):')
+
+    source_main_info = GenericSourceExtractor('main.c')
+    help_main_options = source_main_info.get_options()
+    source_main_info.close()
+
+    man_main_info = ManGenericExtractor(os.path.join(BPFTOOL_DOC_DIR, 'bpftool.rst'))
+    man_main_options = man_main_info.get_options()
+    man_main_info.close()
+
+    verify(help_main_options, man_main_options,
+            f'Comparing {source_main_info.filename} (do_help() OPTIONS) and {man_main_info.filename} (OPTIONS):')
+
+    # Compare common options (options that apply to all commands)
+
+    main_hdr_info = MainHeaderFileExtractor()
+    source_common_options = main_hdr_info.get_common_options()
+    main_hdr_info.close()
+
+    man_substitutions = ManSubstitutionsExtractor()
+    man_common_options = man_substitutions.get_common_options()
+    man_substitutions.close()
+
+    verify(source_common_options, man_common_options,
+            f'Comparing common options from {main_hdr_info.filename} (HELP_SPEC_OPTIONS) and {man_substitutions.filename}:')
+
+    sys.exit(retval)
+
+if __name__ == "__main__":
+    main()
diff --git a/tools/testing/selftests/bpf/test_btf.h b/tools/testing/selftests/bpf/test_btf.h
new file mode 100644
index 000000000..fb4f4714e
--- /dev/null
+++ b/tools/testing/selftests/bpf/test_btf.h
@@ -0,0 +1,81 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* Copyright (c) 2019 Facebook */
+
+#ifndef _TEST_BTF_H
+#define _TEST_BTF_H
+
+#define BTF_END_RAW 0xdeadbeef
+
+#define BTF_INFO_ENC(kind, kind_flag, vlen)			\
+	((!!(kind_flag) << 31) | ((kind) << 24) | ((vlen) & BTF_MAX_VLEN))
+
+#define BTF_TYPE_ENC(name, info, size_or_type)	\
+	(name), (info), (size_or_type)
+
+#define BTF_INT_ENC(encoding, bits_offset, nr_bits)	\
+	((encoding) << 24 | (bits_offset) << 16 | (nr_bits))
+#define BTF_TYPE_INT_ENC(name, encoding, bits_offset, bits, sz)	\
+	BTF_TYPE_ENC(name, BTF_INFO_ENC(BTF_KIND_INT, 0, 0), sz),	\
+	BTF_INT_ENC(encoding, bits_offset, bits)
+
+#define BTF_FWD_ENC(name, kind_flag) \
+	BTF_TYPE_ENC(name, BTF_INFO_ENC(BTF_KIND_FWD, kind_flag, 0), 0)
+
+#define BTF_ARRAY_ENC(type, index_type, nr_elems)	\
+	(type), (index_type), (nr_elems)
+#define BTF_TYPE_ARRAY_ENC(type, index_type, nr_elems) \
+	BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_ARRAY, 0, 0), 0), \
+	BTF_ARRAY_ENC(type, index_type, nr_elems)
+
+#define BTF_STRUCT_ENC(name, nr_elems, sz)	\
+	BTF_TYPE_ENC(name, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, nr_elems), sz)
+
+#define BTF_UNION_ENC(name, nr_elems, sz)	\
+	BTF_TYPE_ENC(name, BTF_INFO_ENC(BTF_KIND_UNION, 0, nr_elems), sz)
+
+#define BTF_VAR_ENC(name, type, linkage)	\
+	BTF_TYPE_ENC(name, BTF_INFO_ENC(BTF_KIND_VAR, 0, 0), type), (linkage)
+#define BTF_VAR_SECINFO_ENC(type, offset, size)	\
+	(type), (offset), (size)
+
+#define BTF_MEMBER_ENC(name, type, bits_offset)	\
+	(name), (type), (bits_offset)
+#define BTF_ENUM_ENC(name, val) (name), (val)
+#define BTF_ENUM64_ENC(name, val_lo32, val_hi32) (name), (val_lo32), (val_hi32)
+#define BTF_MEMBER_OFFSET(bitfield_size, bits_offset) \
+	((bitfield_size) << 24 | (bits_offset))
+
+#define BTF_TYPEDEF_ENC(name, type) \
+	BTF_TYPE_ENC(name, BTF_INFO_ENC(BTF_KIND_TYPEDEF, 0, 0), type)
+
+#define BTF_PTR_ENC(type) \
+	BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_PTR, 0, 0), type)
+
+#define BTF_CONST_ENC(type) \
+	BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_CONST, 0, 0), type)
+
+#define BTF_VOLATILE_ENC(type) \
+	BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_VOLATILE, 0, 0), type)
+
+#define BTF_RESTRICT_ENC(type) \
+	BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_RESTRICT, 0, 0), type)
+
+#define BTF_FUNC_PROTO_ENC(ret_type, nargs) \
+	BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_FUNC_PROTO, 0, nargs), ret_type)
+
+#define BTF_FUNC_PROTO_ARG_ENC(name, type) \
+	(name), (type)
+
+#define BTF_FUNC_ENC(name, func_proto) \
+	BTF_TYPE_ENC(name, BTF_INFO_ENC(BTF_KIND_FUNC, 0, 0), func_proto)
+
+#define BTF_TYPE_FLOAT_ENC(name, sz) \
+	BTF_TYPE_ENC(name, BTF_INFO_ENC(BTF_KIND_FLOAT, 0, 0), sz)
+
+#define BTF_DECL_TAG_ENC(value, type, component_idx)	\
+	BTF_TYPE_ENC(value, BTF_INFO_ENC(BTF_KIND_DECL_TAG, 0, 0), type), (component_idx)
+
+#define BTF_TYPE_TAG_ENC(value, type)	\
+	BTF_TYPE_ENC(value, BTF_INFO_ENC(BTF_KIND_TYPE_TAG, 0, 0), type)
+
+#endif /* _TEST_BTF_H */
diff --git a/tools/testing/selftests/bpf/test_cgroup_storage.c b/tools/testing/selftests/bpf/test_cgroup_storage.c
new file mode 100644
index 000000000..0861ea60d
--- /dev/null
+++ b/tools/testing/selftests/bpf/test_cgroup_storage.c
@@ -0,0 +1,174 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <assert.h>
+#include <bpf/bpf.h>
+#include <linux/filter.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <sys/sysinfo.h>
+
+#include "bpf_util.h"
+#include "cgroup_helpers.h"
+#include "testing_helpers.h"
+
+char bpf_log_buf[BPF_LOG_BUF_SIZE];
+
+#define TEST_CGROUP "/test-bpf-cgroup-storage-buf/"
+
+int main(int argc, char **argv)
+{
+	struct bpf_insn prog[] = {
+		BPF_LD_MAP_FD(BPF_REG_1, 0), /* percpu map fd */
+		BPF_MOV64_IMM(BPF_REG_2, 0), /* flags, not used */
+		BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
+			     BPF_FUNC_get_local_storage),
+		BPF_LDX_MEM(BPF_DW, BPF_REG_3, BPF_REG_0, 0),
+		BPF_ALU64_IMM(BPF_ADD, BPF_REG_3, 0x1),
+		BPF_STX_MEM(BPF_DW, BPF_REG_0, BPF_REG_3, 0),
+
+		BPF_LD_MAP_FD(BPF_REG_1, 0), /* map fd */
+		BPF_MOV64_IMM(BPF_REG_2, 0), /* flags, not used */
+		BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
+			     BPF_FUNC_get_local_storage),
+		BPF_MOV64_IMM(BPF_REG_1, 1),
+		BPF_ATOMIC_OP(BPF_DW, BPF_ADD, BPF_REG_0, BPF_REG_1, 0),
+		BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_0, 0),
+		BPF_ALU64_IMM(BPF_AND, BPF_REG_1, 0x1),
+		BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
+		BPF_EXIT_INSN(),
+	};
+	size_t insns_cnt = ARRAY_SIZE(prog);
+	int error = EXIT_FAILURE;
+	int map_fd, percpu_map_fd, prog_fd, cgroup_fd;
+	struct bpf_cgroup_storage_key key;
+	unsigned long long value;
+	unsigned long long *percpu_value;
+	int cpu, nproc;
+
+	nproc = bpf_num_possible_cpus();
+	percpu_value = malloc(sizeof(*percpu_value) * nproc);
+	if (!percpu_value) {
+		printf("Not enough memory for per-cpu area (%d cpus)\n", nproc);
+		goto err;
+	}
+
+	/* Use libbpf 1.0 API mode */
+	libbpf_set_strict_mode(LIBBPF_STRICT_ALL);
+
+	map_fd = bpf_map_create(BPF_MAP_TYPE_CGROUP_STORAGE, NULL, sizeof(key),
+				sizeof(value), 0, NULL);
+	if (map_fd < 0) {
+		printf("Failed to create map: %s\n", strerror(errno));
+		goto out;
+	}
+
+	percpu_map_fd = bpf_map_create(BPF_MAP_TYPE_PERCPU_CGROUP_STORAGE, NULL,
+				       sizeof(key), sizeof(value), 0, NULL);
+	if (percpu_map_fd < 0) {
+		printf("Failed to create map: %s\n", strerror(errno));
+		goto out;
+	}
+
+	prog[0].imm = percpu_map_fd;
+	prog[7].imm = map_fd;
+	prog_fd = bpf_test_load_program(BPF_PROG_TYPE_CGROUP_SKB,
+				   prog, insns_cnt, "GPL", 0,
+				   bpf_log_buf, BPF_LOG_BUF_SIZE);
+	if (prog_fd < 0) {
+		printf("Failed to load bpf program: %s\n", bpf_log_buf);
+		goto out;
+	}
+
+	cgroup_fd = cgroup_setup_and_join(TEST_CGROUP);
+
+	/* Attach the bpf program */
+	if (bpf_prog_attach(prog_fd, cgroup_fd, BPF_CGROUP_INET_EGRESS, 0)) {
+		printf("Failed to attach bpf program\n");
+		goto err;
+	}
+
+	if (bpf_map_get_next_key(map_fd, NULL, &key)) {
+		printf("Failed to get the first key in cgroup storage\n");
+		goto err;
+	}
+
+	if (bpf_map_lookup_elem(map_fd, &key, &value)) {
+		printf("Failed to lookup cgroup storage 0\n");
+		goto err;
+	}
+
+	for (cpu = 0; cpu < nproc; cpu++)
+		percpu_value[cpu] = 1000;
+
+	if (bpf_map_update_elem(percpu_map_fd, &key, percpu_value, 0)) {
+		printf("Failed to update the data in the cgroup storage\n");
+		goto err;
+	}
+
+	/* Every second packet should be dropped */
+	assert(system("ping localhost -c 1 -W 1 -q > /dev/null") == 0);
+	assert(system("ping localhost -c 1 -W 1 -q > /dev/null"));
+	assert(system("ping localhost -c 1 -W 1 -q > /dev/null") == 0);
+
+	/* Check the counter in the cgroup local storage */
+	if (bpf_map_lookup_elem(map_fd, &key, &value)) {
+		printf("Failed to lookup cgroup storage\n");
+		goto err;
+	}
+
+	if (value != 3) {
+		printf("Unexpected data in the cgroup storage: %llu\n", value);
+		goto err;
+	}
+
+	/* Bump the counter in the cgroup local storage */
+	value++;
+	if (bpf_map_update_elem(map_fd, &key, &value, 0)) {
+		printf("Failed to update the data in the cgroup storage\n");
+		goto err;
+	}
+
+	/* Every second packet should be dropped */
+	assert(system("ping localhost -c 1 -W 1 -q > /dev/null") == 0);
+	assert(system("ping localhost -c 1 -W 1 -q > /dev/null"));
+	assert(system("ping localhost -c 1 -W 1 -q > /dev/null") == 0);
+
+	/* Check the final value of the counter in the cgroup local storage */
+	if (bpf_map_lookup_elem(map_fd, &key, &value)) {
+		printf("Failed to lookup the cgroup storage\n");
+		goto err;
+	}
+
+	if (value != 7) {
+		printf("Unexpected data in the cgroup storage: %llu\n", value);
+		goto err;
+	}
+
+	/* Check the final value of the counter in the percpu local storage */
+
+	for (cpu = 0; cpu < nproc; cpu++)
+		percpu_value[cpu] = 0;
+
+	if (bpf_map_lookup_elem(percpu_map_fd, &key, percpu_value)) {
+		printf("Failed to lookup the per-cpu cgroup storage\n");
+		goto err;
+	}
+
+	value = 0;
+	for (cpu = 0; cpu < nproc; cpu++)
+		value += percpu_value[cpu];
+
+	if (value != nproc * 1000 + 6) {
+		printf("Unexpected data in the per-cpu cgroup storage\n");
+		goto err;
+	}
+
+	error = 0;
+	printf("test_cgroup_storage:PASS\n");
+
+err:
+	cleanup_cgroup_environment();
+	free(percpu_value);
+
+out:
+	return error;
+}
diff --git a/tools/testing/selftests/bpf/test_cpp.cpp b/tools/testing/selftests/bpf/test_cpp.cpp
new file mode 100644
index 000000000..19ad17203
--- /dev/null
+++ b/tools/testing/selftests/bpf/test_cpp.cpp
@@ -0,0 +1,123 @@
+/* SPDX-License-Identifier: (LGPL-2.1 OR BSD-2-Clause) */
+#include <iostream>
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wdeprecated-declarations"
+#include <bpf/libbpf.h>
+#pragma GCC diagnostic pop
+#include <bpf/bpf.h>
+#include <bpf/btf.h>
+#include "test_core_extern.skel.h"
+
+template <typename T>
+class Skeleton {
+private:
+	T *skel;
+public:
+	Skeleton(): skel(nullptr) { }
+
+	~Skeleton() { if (skel) T::destroy(skel); }
+
+	int open(const struct bpf_object_open_opts *opts = nullptr)
+	{
+		int err;
+
+		if (skel)
+			return -EBUSY;
+
+		skel = T::open(opts);
+		err = libbpf_get_error(skel);
+		if (err) {
+			skel = nullptr;
+			return err;
+		}
+
+		return 0;
+	}
+
+	int load() { return T::load(skel); }
+
+	int attach() { return T::attach(skel); }
+
+	void detach() { return T::detach(skel); }
+
+	const T* operator->() const { return skel; }
+
+	T* operator->() { return skel; }
+
+	const T *get() const { return skel; }
+};
+
+static void dump_printf(void *ctx, const char *fmt, va_list args)
+{
+}
+
+static void try_skeleton_template()
+{
+	Skeleton<test_core_extern> skel;
+	std::string prog_name;
+	int err;
+	LIBBPF_OPTS(bpf_object_open_opts, opts);
+
+	err = skel.open(&opts);
+	if (err) {
+		fprintf(stderr, "Skeleton open failed: %d\n", err);
+		return;
+	}
+
+	skel->data->kern_ver = 123;
+	skel->data->int_val = skel->data->ushort_val;
+
+	err = skel.load();
+	if (err) {
+		fprintf(stderr, "Skeleton load failed: %d\n", err);
+		return;
+	}
+
+	if (!skel->kconfig->CONFIG_BPF_SYSCALL)
+		fprintf(stderr, "Seems like CONFIG_BPF_SYSCALL isn't set?!\n");
+
+	err = skel.attach();
+	if (err) {
+		fprintf(stderr, "Skeleton attach failed: %d\n", err);
+		return;
+	}
+
+	prog_name = bpf_program__name(skel->progs.handle_sys_enter);
+	if (prog_name != "handle_sys_enter")
+		fprintf(stderr, "Unexpected program name: %s\n", prog_name.c_str());
+
+	bpf_link__destroy(skel->links.handle_sys_enter);
+	skel->links.handle_sys_enter = bpf_program__attach(skel->progs.handle_sys_enter);
+
+	skel.detach();
+
+	/* destructor will destory underlying skeleton */
+}
+
+int main(int argc, char *argv[])
+{
+	struct btf_dump_opts opts = { };
+	struct test_core_extern *skel;
+	struct btf *btf;
+
+	try_skeleton_template();
+
+	/* libbpf.h */
+	libbpf_set_print(NULL);
+
+	/* bpf.h */
+	bpf_prog_get_fd_by_id(0);
+
+	/* btf.h */
+	btf = btf__new(NULL, 0);
+	if (!libbpf_get_error(btf))
+		btf_dump__new(btf, dump_printf, nullptr, &opts);
+
+	/* BPF skeleton */
+	skel = test_core_extern__open_and_load();
+	test_core_extern__destroy(skel);
+
+	std::cout << "DONE!" << std::endl;
+
+	return 0;
+}
diff --git a/tools/testing/selftests/bpf/test_dev_cgroup.c b/tools/testing/selftests/bpf/test_dev_cgroup.c
new file mode 100644
index 000000000..adeaf63cb
--- /dev/null
+++ b/tools/testing/selftests/bpf/test_dev_cgroup.c
@@ -0,0 +1,85 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/* Copyright (c) 2017 Facebook
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <errno.h>
+#include <assert.h>
+#include <sys/time.h>
+
+#include <linux/bpf.h>
+#include <bpf/bpf.h>
+#include <bpf/libbpf.h>
+
+#include "cgroup_helpers.h"
+#include "testing_helpers.h"
+
+#define DEV_CGROUP_PROG "./dev_cgroup.bpf.o"
+
+#define TEST_CGROUP "/test-bpf-based-device-cgroup/"
+
+int main(int argc, char **argv)
+{
+	struct bpf_object *obj;
+	int error = EXIT_FAILURE;
+	int prog_fd, cgroup_fd;
+	__u32 prog_cnt;
+
+	/* Use libbpf 1.0 API mode */
+	libbpf_set_strict_mode(LIBBPF_STRICT_ALL);
+
+	if (bpf_prog_test_load(DEV_CGROUP_PROG, BPF_PROG_TYPE_CGROUP_DEVICE,
+			  &obj, &prog_fd)) {
+		printf("Failed to load DEV_CGROUP program\n");
+		goto out;
+	}
+
+	cgroup_fd = cgroup_setup_and_join(TEST_CGROUP);
+	if (cgroup_fd < 0) {
+		printf("Failed to create test cgroup\n");
+		goto out;
+	}
+
+	/* Attach bpf program */
+	if (bpf_prog_attach(prog_fd, cgroup_fd, BPF_CGROUP_DEVICE, 0)) {
+		printf("Failed to attach DEV_CGROUP program");
+		goto err;
+	}
+
+	if (bpf_prog_query(cgroup_fd, BPF_CGROUP_DEVICE, 0, NULL, NULL,
+			   &prog_cnt)) {
+		printf("Failed to query attached programs");
+		goto err;
+	}
+
+	/* All operations with /dev/zero and and /dev/urandom are allowed,
+	 * everything else is forbidden.
+	 */
+	assert(system("rm -f /tmp/test_dev_cgroup_null") == 0);
+	assert(system("mknod /tmp/test_dev_cgroup_null c 1 3"));
+	assert(system("rm -f /tmp/test_dev_cgroup_null") == 0);
+
+	/* /dev/zero is whitelisted */
+	assert(system("rm -f /tmp/test_dev_cgroup_zero") == 0);
+	assert(system("mknod /tmp/test_dev_cgroup_zero c 1 5") == 0);
+	assert(system("rm -f /tmp/test_dev_cgroup_zero") == 0);
+
+	assert(system("dd if=/dev/urandom of=/dev/zero count=64") == 0);
+
+	/* src is allowed, target is forbidden */
+	assert(system("dd if=/dev/urandom of=/dev/full count=64"));
+
+	/* src is forbidden, target is allowed */
+	assert(system("dd if=/dev/random of=/dev/zero count=64"));
+
+	error = 0;
+	printf("test_dev_cgroup:PASS\n");
+
+err:
+	cleanup_cgroup_environment();
+
+out:
+	return error;
+}
diff --git a/tools/testing/selftests/bpf/test_doc_build.sh b/tools/testing/selftests/bpf/test_doc_build.sh
new file mode 100755
index 000000000..679cf968c
--- /dev/null
+++ b/tools/testing/selftests/bpf/test_doc_build.sh
@@ -0,0 +1,20 @@
+#!/bin/bash
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+set -e
+
+# Assume script is located under tools/testing/selftests/bpf/. We want to start
+# build attempts from the top of kernel repository.
+SCRIPT_REL_PATH=$(realpath $0)
+SCRIPT_REL_DIR=$(dirname $SCRIPT_REL_PATH)
+KDIR_ROOT_DIR=$(realpath $SCRIPT_REL_DIR/../../../../)
+SCRIPT_REL_DIR=$(dirname $(realpath --relative-to=$KDIR_ROOT_DIR $SCRIPT_REL_PATH))
+cd $KDIR_ROOT_DIR
+
+if [ ! -e $PWD/$SCRIPT_REL_DIR/Makefile ]; then
+	echo -e "skip:    bpftool files not found!\n"
+	exit 4 # KSFT_SKIP=4
+fi
+
+for tgt in docs docs-clean; do
+	make -s -C $PWD/$SCRIPT_REL_DIR $tgt;
+done
diff --git a/tools/testing/selftests/bpf/test_flow_dissector.c b/tools/testing/selftests/bpf/test_flow_dissector.c
new file mode 100644
index 000000000..571cc076d
--- /dev/null
+++ b/tools/testing/selftests/bpf/test_flow_dissector.c
@@ -0,0 +1,780 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Inject packets with all sorts of encapsulation into the kernel.
+ *
+ * IPv4/IPv6	outer layer 3
+ * GRE/GUE/BARE outer layer 4, where bare is IPIP/SIT/IPv4-in-IPv6/..
+ * IPv4/IPv6    inner layer 3
+ */
+
+#define _GNU_SOURCE
+
+#include <stddef.h>
+#include <arpa/inet.h>
+#include <asm/byteorder.h>
+#include <error.h>
+#include <errno.h>
+#include <linux/if_packet.h>
+#include <linux/if_ether.h>
+#include <linux/ipv6.h>
+#include <netinet/ip.h>
+#include <netinet/in.h>
+#include <netinet/udp.h>
+#include <poll.h>
+#include <stdbool.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <sys/ioctl.h>
+#include <sys/socket.h>
+#include <sys/stat.h>
+#include <sys/time.h>
+#include <sys/types.h>
+#include <unistd.h>
+
+#define CFG_PORT_INNER	8000
+
+/* Add some protocol definitions that do not exist in userspace */
+
+struct grehdr {
+	uint16_t unused;
+	uint16_t protocol;
+} __attribute__((packed));
+
+struct guehdr {
+	union {
+		struct {
+#if defined(__LITTLE_ENDIAN_BITFIELD)
+			__u8	hlen:5,
+				control:1,
+				version:2;
+#elif defined (__BIG_ENDIAN_BITFIELD)
+			__u8	version:2,
+				control:1,
+				hlen:5;
+#else
+#error  "Please fix <asm/byteorder.h>"
+#endif
+			__u8	proto_ctype;
+			__be16	flags;
+		};
+		__be32	word;
+	};
+};
+
+static uint8_t	cfg_dsfield_inner;
+static uint8_t	cfg_dsfield_outer;
+static uint8_t	cfg_encap_proto;
+static bool	cfg_expect_failure = false;
+static int	cfg_l3_extra = AF_UNSPEC;	/* optional SIT prefix */
+static int	cfg_l3_inner = AF_UNSPEC;
+static int	cfg_l3_outer = AF_UNSPEC;
+static int	cfg_num_pkt = 10;
+static int	cfg_num_secs = 0;
+static char	cfg_payload_char = 'a';
+static int	cfg_payload_len = 100;
+static int	cfg_port_gue = 6080;
+static bool	cfg_only_rx;
+static bool	cfg_only_tx;
+static int	cfg_src_port = 9;
+
+static char	buf[ETH_DATA_LEN];
+
+#define INIT_ADDR4(name, addr4, port)				\
+	static struct sockaddr_in name = {			\
+		.sin_family = AF_INET,				\
+		.sin_port = __constant_htons(port),		\
+		.sin_addr.s_addr = __constant_htonl(addr4),	\
+	};
+
+#define INIT_ADDR6(name, addr6, port)				\
+	static struct sockaddr_in6 name = {			\
+		.sin6_family = AF_INET6,			\
+		.sin6_port = __constant_htons(port),		\
+		.sin6_addr = addr6,				\
+	};
+
+INIT_ADDR4(in_daddr4, INADDR_LOOPBACK, CFG_PORT_INNER)
+INIT_ADDR4(in_saddr4, INADDR_LOOPBACK + 2, 0)
+INIT_ADDR4(out_daddr4, INADDR_LOOPBACK, 0)
+INIT_ADDR4(out_saddr4, INADDR_LOOPBACK + 1, 0)
+INIT_ADDR4(extra_daddr4, INADDR_LOOPBACK, 0)
+INIT_ADDR4(extra_saddr4, INADDR_LOOPBACK + 1, 0)
+
+INIT_ADDR6(in_daddr6, IN6ADDR_LOOPBACK_INIT, CFG_PORT_INNER)
+INIT_ADDR6(in_saddr6, IN6ADDR_LOOPBACK_INIT, 0)
+INIT_ADDR6(out_daddr6, IN6ADDR_LOOPBACK_INIT, 0)
+INIT_ADDR6(out_saddr6, IN6ADDR_LOOPBACK_INIT, 0)
+INIT_ADDR6(extra_daddr6, IN6ADDR_LOOPBACK_INIT, 0)
+INIT_ADDR6(extra_saddr6, IN6ADDR_LOOPBACK_INIT, 0)
+
+static unsigned long util_gettime(void)
+{
+	struct timeval tv;
+
+	gettimeofday(&tv, NULL);
+	return (tv.tv_sec * 1000) + (tv.tv_usec / 1000);
+}
+
+static void util_printaddr(const char *msg, struct sockaddr *addr)
+{
+	unsigned long off = 0;
+	char nbuf[INET6_ADDRSTRLEN];
+
+	switch (addr->sa_family) {
+	case PF_INET:
+		off = __builtin_offsetof(struct sockaddr_in, sin_addr);
+		break;
+	case PF_INET6:
+		off = __builtin_offsetof(struct sockaddr_in6, sin6_addr);
+		break;
+	default:
+		error(1, 0, "printaddr: unsupported family %u\n",
+		      addr->sa_family);
+	}
+
+	if (!inet_ntop(addr->sa_family, ((void *) addr) + off, nbuf,
+		       sizeof(nbuf)))
+		error(1, errno, "inet_ntop");
+
+	fprintf(stderr, "%s: %s\n", msg, nbuf);
+}
+
+static unsigned long add_csum_hword(const uint16_t *start, int num_u16)
+{
+	unsigned long sum = 0;
+	int i;
+
+	for (i = 0; i < num_u16; i++)
+		sum += start[i];
+
+	return sum;
+}
+
+static uint16_t build_ip_csum(const uint16_t *start, int num_u16,
+			      unsigned long sum)
+{
+	sum += add_csum_hword(start, num_u16);
+
+	while (sum >> 16)
+		sum = (sum & 0xffff) + (sum >> 16);
+
+	return ~sum;
+}
+
+static void build_ipv4_header(void *header, uint8_t proto,
+			      uint32_t src, uint32_t dst,
+			      int payload_len, uint8_t tos)
+{
+	struct iphdr *iph = header;
+
+	iph->ihl = 5;
+	iph->version = 4;
+	iph->tos = tos;
+	iph->ttl = 8;
+	iph->tot_len = htons(sizeof(*iph) + payload_len);
+	iph->id = htons(1337);
+	iph->protocol = proto;
+	iph->saddr = src;
+	iph->daddr = dst;
+	iph->check = build_ip_csum((void *) iph, iph->ihl << 1, 0);
+}
+
+static void ipv6_set_dsfield(struct ipv6hdr *ip6h, uint8_t dsfield)
+{
+	uint16_t val, *ptr = (uint16_t *)ip6h;
+
+	val = ntohs(*ptr);
+	val &= 0xF00F;
+	val |= ((uint16_t) dsfield) << 4;
+	*ptr = htons(val);
+}
+
+static void build_ipv6_header(void *header, uint8_t proto,
+			      struct sockaddr_in6 *src,
+			      struct sockaddr_in6 *dst,
+			      int payload_len, uint8_t dsfield)
+{
+	struct ipv6hdr *ip6h = header;
+
+	ip6h->version = 6;
+	ip6h->payload_len = htons(payload_len);
+	ip6h->nexthdr = proto;
+	ip6h->hop_limit = 8;
+	ipv6_set_dsfield(ip6h, dsfield);
+
+	memcpy(&ip6h->saddr, &src->sin6_addr, sizeof(ip6h->saddr));
+	memcpy(&ip6h->daddr, &dst->sin6_addr, sizeof(ip6h->daddr));
+}
+
+static uint16_t build_udp_v4_csum(const struct iphdr *iph,
+				  const struct udphdr *udph,
+				  int num_words)
+{
+	unsigned long pseudo_sum;
+	int num_u16 = sizeof(iph->saddr);	/* halfwords: twice byte len */
+
+	pseudo_sum = add_csum_hword((void *) &iph->saddr, num_u16);
+	pseudo_sum += htons(IPPROTO_UDP);
+	pseudo_sum += udph->len;
+	return build_ip_csum((void *) udph, num_words, pseudo_sum);
+}
+
+static uint16_t build_udp_v6_csum(const struct ipv6hdr *ip6h,
+				  const struct udphdr *udph,
+				  int num_words)
+{
+	unsigned long pseudo_sum;
+	int num_u16 = sizeof(ip6h->saddr);	/* halfwords: twice byte len */
+
+	pseudo_sum = add_csum_hword((void *) &ip6h->saddr, num_u16);
+	pseudo_sum += htons(ip6h->nexthdr);
+	pseudo_sum += ip6h->payload_len;
+	return build_ip_csum((void *) udph, num_words, pseudo_sum);
+}
+
+static void build_udp_header(void *header, int payload_len,
+			     uint16_t dport, int family)
+{
+	struct udphdr *udph = header;
+	int len = sizeof(*udph) + payload_len;
+
+	udph->source = htons(cfg_src_port);
+	udph->dest = htons(dport);
+	udph->len = htons(len);
+	udph->check = 0;
+	if (family == AF_INET)
+		udph->check = build_udp_v4_csum(header - sizeof(struct iphdr),
+						udph, len >> 1);
+	else
+		udph->check = build_udp_v6_csum(header - sizeof(struct ipv6hdr),
+						udph, len >> 1);
+}
+
+static void build_gue_header(void *header, uint8_t proto)
+{
+	struct guehdr *gueh = header;
+
+	gueh->proto_ctype = proto;
+}
+
+static void build_gre_header(void *header, uint16_t proto)
+{
+	struct grehdr *greh = header;
+
+	greh->protocol = htons(proto);
+}
+
+static int l3_length(int family)
+{
+	if (family == AF_INET)
+		return sizeof(struct iphdr);
+	else
+		return sizeof(struct ipv6hdr);
+}
+
+static int build_packet(void)
+{
+	int ol3_len = 0, ol4_len = 0, il3_len = 0, il4_len = 0;
+	int el3_len = 0;
+
+	if (cfg_l3_extra)
+		el3_len = l3_length(cfg_l3_extra);
+
+	/* calculate header offsets */
+	if (cfg_encap_proto) {
+		ol3_len = l3_length(cfg_l3_outer);
+
+		if (cfg_encap_proto == IPPROTO_GRE)
+			ol4_len = sizeof(struct grehdr);
+		else if (cfg_encap_proto == IPPROTO_UDP)
+			ol4_len = sizeof(struct udphdr) + sizeof(struct guehdr);
+	}
+
+	il3_len = l3_length(cfg_l3_inner);
+	il4_len = sizeof(struct udphdr);
+
+	if (el3_len + ol3_len + ol4_len + il3_len + il4_len + cfg_payload_len >=
+	    sizeof(buf))
+		error(1, 0, "packet too large\n");
+
+	/*
+	 * Fill packet from inside out, to calculate correct checksums.
+	 * But create ip before udp headers, as udp uses ip for pseudo-sum.
+	 */
+	memset(buf + el3_len + ol3_len + ol4_len + il3_len + il4_len,
+	       cfg_payload_char, cfg_payload_len);
+
+	/* add zero byte for udp csum padding */
+	buf[el3_len + ol3_len + ol4_len + il3_len + il4_len + cfg_payload_len] = 0;
+
+	switch (cfg_l3_inner) {
+	case PF_INET:
+		build_ipv4_header(buf + el3_len + ol3_len + ol4_len,
+				  IPPROTO_UDP,
+				  in_saddr4.sin_addr.s_addr,
+				  in_daddr4.sin_addr.s_addr,
+				  il4_len + cfg_payload_len,
+				  cfg_dsfield_inner);
+		break;
+	case PF_INET6:
+		build_ipv6_header(buf + el3_len + ol3_len + ol4_len,
+				  IPPROTO_UDP,
+				  &in_saddr6, &in_daddr6,
+				  il4_len + cfg_payload_len,
+				  cfg_dsfield_inner);
+		break;
+	}
+
+	build_udp_header(buf + el3_len + ol3_len + ol4_len + il3_len,
+			 cfg_payload_len, CFG_PORT_INNER, cfg_l3_inner);
+
+	if (!cfg_encap_proto)
+		return il3_len + il4_len + cfg_payload_len;
+
+	switch (cfg_l3_outer) {
+	case PF_INET:
+		build_ipv4_header(buf + el3_len, cfg_encap_proto,
+				  out_saddr4.sin_addr.s_addr,
+				  out_daddr4.sin_addr.s_addr,
+				  ol4_len + il3_len + il4_len + cfg_payload_len,
+				  cfg_dsfield_outer);
+		break;
+	case PF_INET6:
+		build_ipv6_header(buf + el3_len, cfg_encap_proto,
+				  &out_saddr6, &out_daddr6,
+				  ol4_len + il3_len + il4_len + cfg_payload_len,
+				  cfg_dsfield_outer);
+		break;
+	}
+
+	switch (cfg_encap_proto) {
+	case IPPROTO_UDP:
+		build_gue_header(buf + el3_len + ol3_len + ol4_len -
+				 sizeof(struct guehdr),
+				 cfg_l3_inner == PF_INET ? IPPROTO_IPIP
+							 : IPPROTO_IPV6);
+		build_udp_header(buf + el3_len + ol3_len,
+				 sizeof(struct guehdr) + il3_len + il4_len +
+				 cfg_payload_len,
+				 cfg_port_gue, cfg_l3_outer);
+		break;
+	case IPPROTO_GRE:
+		build_gre_header(buf + el3_len + ol3_len,
+				 cfg_l3_inner == PF_INET ? ETH_P_IP
+							 : ETH_P_IPV6);
+		break;
+	}
+
+	switch (cfg_l3_extra) {
+	case PF_INET:
+		build_ipv4_header(buf,
+				  cfg_l3_outer == PF_INET ? IPPROTO_IPIP
+							  : IPPROTO_IPV6,
+				  extra_saddr4.sin_addr.s_addr,
+				  extra_daddr4.sin_addr.s_addr,
+				  ol3_len + ol4_len + il3_len + il4_len +
+				  cfg_payload_len, 0);
+		break;
+	case PF_INET6:
+		build_ipv6_header(buf,
+				  cfg_l3_outer == PF_INET ? IPPROTO_IPIP
+							  : IPPROTO_IPV6,
+				  &extra_saddr6, &extra_daddr6,
+				  ol3_len + ol4_len + il3_len + il4_len +
+				  cfg_payload_len, 0);
+		break;
+	}
+
+	return el3_len + ol3_len + ol4_len + il3_len + il4_len +
+	       cfg_payload_len;
+}
+
+/* sender transmits encapsulated over RAW or unencap'd over UDP */
+static int setup_tx(void)
+{
+	int family, fd, ret;
+
+	if (cfg_l3_extra)
+		family = cfg_l3_extra;
+	else if (cfg_l3_outer)
+		family = cfg_l3_outer;
+	else
+		family = cfg_l3_inner;
+
+	fd = socket(family, SOCK_RAW, IPPROTO_RAW);
+	if (fd == -1)
+		error(1, errno, "socket tx");
+
+	if (cfg_l3_extra) {
+		if (cfg_l3_extra == PF_INET)
+			ret = connect(fd, (void *) &extra_daddr4,
+				      sizeof(extra_daddr4));
+		else
+			ret = connect(fd, (void *) &extra_daddr6,
+				      sizeof(extra_daddr6));
+		if (ret)
+			error(1, errno, "connect tx");
+	} else if (cfg_l3_outer) {
+		/* connect to destination if not encapsulated */
+		if (cfg_l3_outer == PF_INET)
+			ret = connect(fd, (void *) &out_daddr4,
+				      sizeof(out_daddr4));
+		else
+			ret = connect(fd, (void *) &out_daddr6,
+				      sizeof(out_daddr6));
+		if (ret)
+			error(1, errno, "connect tx");
+	} else {
+		/* otherwise using loopback */
+		if (cfg_l3_inner == PF_INET)
+			ret = connect(fd, (void *) &in_daddr4,
+				      sizeof(in_daddr4));
+		else
+			ret = connect(fd, (void *) &in_daddr6,
+				      sizeof(in_daddr6));
+		if (ret)
+			error(1, errno, "connect tx");
+	}
+
+	return fd;
+}
+
+/* receiver reads unencapsulated UDP */
+static int setup_rx(void)
+{
+	int fd, ret;
+
+	fd = socket(cfg_l3_inner, SOCK_DGRAM, 0);
+	if (fd == -1)
+		error(1, errno, "socket rx");
+
+	if (cfg_l3_inner == PF_INET)
+		ret = bind(fd, (void *) &in_daddr4, sizeof(in_daddr4));
+	else
+		ret = bind(fd, (void *) &in_daddr6, sizeof(in_daddr6));
+	if (ret)
+		error(1, errno, "bind rx");
+
+	return fd;
+}
+
+static int do_tx(int fd, const char *pkt, int len)
+{
+	int ret;
+
+	ret = write(fd, pkt, len);
+	if (ret == -1)
+		error(1, errno, "send");
+	if (ret != len)
+		error(1, errno, "send: len (%d < %d)\n", ret, len);
+
+	return 1;
+}
+
+static int do_poll(int fd, short events, int timeout)
+{
+	struct pollfd pfd;
+	int ret;
+
+	pfd.fd = fd;
+	pfd.events = events;
+
+	ret = poll(&pfd, 1, timeout);
+	if (ret == -1)
+		error(1, errno, "poll");
+	if (ret && !(pfd.revents & POLLIN))
+		error(1, errno, "poll: unexpected event 0x%x\n", pfd.revents);
+
+	return ret;
+}
+
+static int do_rx(int fd)
+{
+	char rbuf;
+	int ret, num = 0;
+
+	while (1) {
+		ret = recv(fd, &rbuf, 1, MSG_DONTWAIT);
+		if (ret == -1 && errno == EAGAIN)
+			break;
+		if (ret == -1)
+			error(1, errno, "recv");
+		if (rbuf != cfg_payload_char)
+			error(1, 0, "recv: payload mismatch");
+		num++;
+	}
+
+	return num;
+}
+
+static int do_main(void)
+{
+	unsigned long tstop, treport, tcur;
+	int fdt = -1, fdr = -1, len, tx = 0, rx = 0;
+
+	if (!cfg_only_tx)
+		fdr = setup_rx();
+	if (!cfg_only_rx)
+		fdt = setup_tx();
+
+	len = build_packet();
+
+	tcur = util_gettime();
+	treport = tcur + 1000;
+	tstop = tcur + (cfg_num_secs * 1000);
+
+	while (1) {
+		if (!cfg_only_rx)
+			tx += do_tx(fdt, buf, len);
+
+		if (!cfg_only_tx)
+			rx += do_rx(fdr);
+
+		if (cfg_num_secs) {
+			tcur = util_gettime();
+			if (tcur >= tstop)
+				break;
+			if (tcur >= treport) {
+				fprintf(stderr, "pkts: tx=%u rx=%u\n", tx, rx);
+				tx = 0;
+				rx = 0;
+				treport = tcur + 1000;
+			}
+		} else {
+			if (tx == cfg_num_pkt)
+				break;
+		}
+	}
+
+	/* read straggler packets, if any */
+	if (rx < tx) {
+		tstop = util_gettime() + 100;
+		while (rx < tx) {
+			tcur = util_gettime();
+			if (tcur >= tstop)
+				break;
+
+			do_poll(fdr, POLLIN, tstop - tcur);
+			rx += do_rx(fdr);
+		}
+	}
+
+	fprintf(stderr, "pkts: tx=%u rx=%u\n", tx, rx);
+
+	if (fdr != -1 && close(fdr))
+		error(1, errno, "close rx");
+	if (fdt != -1 && close(fdt))
+		error(1, errno, "close tx");
+
+	/*
+	 * success (== 0) only if received all packets
+	 * unless failure is expected, in which case none must arrive.
+	 */
+	if (cfg_expect_failure)
+		return rx != 0;
+	else
+		return rx != tx;
+}
+
+
+static void __attribute__((noreturn)) usage(const char *filepath)
+{
+	fprintf(stderr, "Usage: %s [-e gre|gue|bare|none] [-i 4|6] [-l len] "
+			"[-O 4|6] [-o 4|6] [-n num] [-t secs] [-R] [-T] "
+			"[-s <osrc> [-d <odst>] [-S <isrc>] [-D <idst>] "
+			"[-x <otos>] [-X <itos>] [-f <isport>] [-F]\n",
+		filepath);
+	exit(1);
+}
+
+static void parse_addr(int family, void *addr, const char *optarg)
+{
+	int ret;
+
+	ret = inet_pton(family, optarg, addr);
+	if (ret == -1)
+		error(1, errno, "inet_pton");
+	if (ret == 0)
+		error(1, 0, "inet_pton: bad string");
+}
+
+static void parse_addr4(struct sockaddr_in *addr, const char *optarg)
+{
+	parse_addr(AF_INET, &addr->sin_addr, optarg);
+}
+
+static void parse_addr6(struct sockaddr_in6 *addr, const char *optarg)
+{
+	parse_addr(AF_INET6, &addr->sin6_addr, optarg);
+}
+
+static int parse_protocol_family(const char *filepath, const char *optarg)
+{
+	if (!strcmp(optarg, "4"))
+		return PF_INET;
+	if (!strcmp(optarg, "6"))
+		return PF_INET6;
+
+	usage(filepath);
+}
+
+static void parse_opts(int argc, char **argv)
+{
+	int c;
+
+	while ((c = getopt(argc, argv, "d:D:e:f:Fhi:l:n:o:O:Rs:S:t:Tx:X:")) != -1) {
+		switch (c) {
+		case 'd':
+			if (cfg_l3_outer == AF_UNSPEC)
+				error(1, 0, "-d must be preceded by -o");
+			if (cfg_l3_outer == AF_INET)
+				parse_addr4(&out_daddr4, optarg);
+			else
+				parse_addr6(&out_daddr6, optarg);
+			break;
+		case 'D':
+			if (cfg_l3_inner == AF_UNSPEC)
+				error(1, 0, "-D must be preceded by -i");
+			if (cfg_l3_inner == AF_INET)
+				parse_addr4(&in_daddr4, optarg);
+			else
+				parse_addr6(&in_daddr6, optarg);
+			break;
+		case 'e':
+			if (!strcmp(optarg, "gre"))
+				cfg_encap_proto = IPPROTO_GRE;
+			else if (!strcmp(optarg, "gue"))
+				cfg_encap_proto = IPPROTO_UDP;
+			else if (!strcmp(optarg, "bare"))
+				cfg_encap_proto = IPPROTO_IPIP;
+			else if (!strcmp(optarg, "none"))
+				cfg_encap_proto = IPPROTO_IP;	/* == 0 */
+			else
+				usage(argv[0]);
+			break;
+		case 'f':
+			cfg_src_port = strtol(optarg, NULL, 0);
+			break;
+		case 'F':
+			cfg_expect_failure = true;
+			break;
+		case 'h':
+			usage(argv[0]);
+			break;
+		case 'i':
+			if (!strcmp(optarg, "4"))
+				cfg_l3_inner = PF_INET;
+			else if (!strcmp(optarg, "6"))
+				cfg_l3_inner = PF_INET6;
+			else
+				usage(argv[0]);
+			break;
+		case 'l':
+			cfg_payload_len = strtol(optarg, NULL, 0);
+			break;
+		case 'n':
+			cfg_num_pkt = strtol(optarg, NULL, 0);
+			break;
+		case 'o':
+			cfg_l3_outer = parse_protocol_family(argv[0], optarg);
+			break;
+		case 'O':
+			cfg_l3_extra = parse_protocol_family(argv[0], optarg);
+			break;
+		case 'R':
+			cfg_only_rx = true;
+			break;
+		case 's':
+			if (cfg_l3_outer == AF_INET)
+				parse_addr4(&out_saddr4, optarg);
+			else
+				parse_addr6(&out_saddr6, optarg);
+			break;
+		case 'S':
+			if (cfg_l3_inner == AF_INET)
+				parse_addr4(&in_saddr4, optarg);
+			else
+				parse_addr6(&in_saddr6, optarg);
+			break;
+		case 't':
+			cfg_num_secs = strtol(optarg, NULL, 0);
+			break;
+		case 'T':
+			cfg_only_tx = true;
+			break;
+		case 'x':
+			cfg_dsfield_outer = strtol(optarg, NULL, 0);
+			break;
+		case 'X':
+			cfg_dsfield_inner = strtol(optarg, NULL, 0);
+			break;
+		}
+	}
+
+	if (cfg_only_rx && cfg_only_tx)
+		error(1, 0, "options: cannot combine rx-only and tx-only");
+
+	if (cfg_encap_proto && cfg_l3_outer == AF_UNSPEC)
+		error(1, 0, "options: must specify outer with encap");
+	else if ((!cfg_encap_proto) && cfg_l3_outer != AF_UNSPEC)
+		error(1, 0, "options: cannot combine no-encap and outer");
+	else if ((!cfg_encap_proto) && cfg_l3_extra != AF_UNSPEC)
+		error(1, 0, "options: cannot combine no-encap and extra");
+
+	if (cfg_l3_inner == AF_UNSPEC)
+		cfg_l3_inner = AF_INET6;
+	if (cfg_l3_inner == AF_INET6 && cfg_encap_proto == IPPROTO_IPIP)
+		cfg_encap_proto = IPPROTO_IPV6;
+
+	/* RFC 6040 4.2:
+	 *   on decap, if outer encountered congestion (CE == 0x3),
+	 *   but inner cannot encode ECN (NoECT == 0x0), then drop packet.
+	 */
+	if (((cfg_dsfield_outer & 0x3) == 0x3) &&
+	    ((cfg_dsfield_inner & 0x3) == 0x0))
+		cfg_expect_failure = true;
+}
+
+static void print_opts(void)
+{
+	if (cfg_l3_inner == PF_INET6) {
+		util_printaddr("inner.dest6", (void *) &in_daddr6);
+		util_printaddr("inner.source6", (void *) &in_saddr6);
+	} else {
+		util_printaddr("inner.dest4", (void *) &in_daddr4);
+		util_printaddr("inner.source4", (void *) &in_saddr4);
+	}
+
+	if (!cfg_l3_outer)
+		return;
+
+	fprintf(stderr, "encap proto:   %u\n", cfg_encap_proto);
+
+	if (cfg_l3_outer == PF_INET6) {
+		util_printaddr("outer.dest6", (void *) &out_daddr6);
+		util_printaddr("outer.source6", (void *) &out_saddr6);
+	} else {
+		util_printaddr("outer.dest4", (void *) &out_daddr4);
+		util_printaddr("outer.source4", (void *) &out_saddr4);
+	}
+
+	if (!cfg_l3_extra)
+		return;
+
+	if (cfg_l3_outer == PF_INET6) {
+		util_printaddr("extra.dest6", (void *) &extra_daddr6);
+		util_printaddr("extra.source6", (void *) &extra_saddr6);
+	} else {
+		util_printaddr("extra.dest4", (void *) &extra_daddr4);
+		util_printaddr("extra.source4", (void *) &extra_saddr4);
+	}
+
+}
+
+int main(int argc, char **argv)
+{
+	parse_opts(argc, argv);
+	print_opts();
+	return do_main();
+}
diff --git a/tools/testing/selftests/bpf/test_flow_dissector.sh b/tools/testing/selftests/bpf/test_flow_dissector.sh
new file mode 100755
index 000000000..4b2988637
--- /dev/null
+++ b/tools/testing/selftests/bpf/test_flow_dissector.sh
@@ -0,0 +1,178 @@
+#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
+#
+# Load BPF flow dissector and verify it correctly dissects traffic
+
+BPF_FILE="bpf_flow.bpf.o"
+export TESTNAME=test_flow_dissector
+unmount=0
+
+# Kselftest framework requirement - SKIP code is 4.
+ksft_skip=4
+
+msg="skip all tests:"
+if [ $UID != 0 ]; then
+	echo $msg please run this as root >&2
+	exit $ksft_skip
+fi
+
+# This test needs to be run in a network namespace with in_netns.sh. Check if
+# this is the case and run it with in_netns.sh if it is being run in the root
+# namespace.
+if [[ -z $(ip netns identify $$) ]]; then
+	err=0
+	if bpftool="$(which bpftool)"; then
+		echo "Testing global flow dissector..."
+
+		$bpftool prog loadall $BPF_FILE /sys/fs/bpf/flow \
+			type flow_dissector
+
+		if ! unshare --net $bpftool prog attach pinned \
+			/sys/fs/bpf/flow/_dissect flow_dissector; then
+			echo "Unexpected unsuccessful attach in namespace" >&2
+			err=1
+		fi
+
+		$bpftool prog attach pinned /sys/fs/bpf/flow/_dissect \
+			flow_dissector
+
+		if unshare --net $bpftool prog attach pinned \
+			/sys/fs/bpf/flow/_dissect flow_dissector; then
+			echo "Unexpected successful attach in namespace" >&2
+			err=1
+		fi
+
+		if ! $bpftool prog detach pinned \
+			/sys/fs/bpf/flow/_dissect flow_dissector; then
+			echo "Failed to detach flow dissector" >&2
+			err=1
+		fi
+
+		rm -rf /sys/fs/bpf/flow
+	else
+		echo "Skipping root flow dissector test, bpftool not found" >&2
+	fi
+
+	# Run the rest of the tests in a net namespace.
+	../net/in_netns.sh "$0" "$@"
+	err=$(( $err + $? ))
+
+	if (( $err == 0 )); then
+		echo "selftests: $TESTNAME [PASS]";
+	else
+		echo "selftests: $TESTNAME [FAILED]";
+	fi
+
+	exit $err
+fi
+
+# Determine selftest success via shell exit code
+exit_handler()
+{
+	set +e
+
+	# Cleanup
+	tc filter del dev lo ingress pref 1337 2> /dev/null
+	tc qdisc del dev lo ingress 2> /dev/null
+	./flow_dissector_load -d 2> /dev/null
+	if [ $unmount -ne 0 ]; then
+		umount bpffs 2> /dev/null
+	fi
+}
+
+# Exit script immediately (well catched by trap handler) if any
+# program/thing exits with a non-zero status.
+set -e
+
+# (Use 'trap -l' to list meaning of numbers)
+trap exit_handler 0 2 3 6 9
+
+# Mount BPF file system
+if /bin/mount | grep /sys/fs/bpf > /dev/null; then
+	echo "bpffs already mounted"
+else
+	echo "bpffs not mounted. Mounting..."
+	unmount=1
+	/bin/mount bpffs /sys/fs/bpf -t bpf
+fi
+
+# Attach BPF program
+./flow_dissector_load -p $BPF_FILE -s _dissect
+
+# Setup
+tc qdisc add dev lo ingress
+echo 0 > /proc/sys/net/ipv4/conf/default/rp_filter
+echo 0 > /proc/sys/net/ipv4/conf/all/rp_filter
+echo 0 > /proc/sys/net/ipv4/conf/lo/rp_filter
+
+echo "Testing IPv4..."
+# Drops all IP/UDP packets coming from port 9
+tc filter add dev lo parent ffff: protocol ip pref 1337 flower ip_proto \
+	udp src_port 9 action drop
+
+# Send 10 IPv4/UDP packets from port 8. Filter should not drop any.
+./test_flow_dissector -i 4 -f 8
+# Send 10 IPv4/UDP packets from port 9. Filter should drop all.
+./test_flow_dissector -i 4 -f 9 -F
+# Send 10 IPv4/UDP packets from port 10. Filter should not drop any.
+./test_flow_dissector -i 4 -f 10
+
+echo "Testing IPv4 from 127.0.0.127 (fallback to generic dissector)..."
+# Send 10 IPv4/UDP packets from port 8. Filter should not drop any.
+./test_flow_dissector -i 4 -S 127.0.0.127 -f 8
+# Send 10 IPv4/UDP packets from port 9. Filter should drop all.
+./test_flow_dissector -i 4 -S 127.0.0.127 -f 9 -F
+# Send 10 IPv4/UDP packets from port 10. Filter should not drop any.
+./test_flow_dissector -i 4 -S 127.0.0.127 -f 10
+
+echo "Testing IPIP..."
+# Send 10 IPv4/IPv4/UDP packets from port 8. Filter should not drop any.
+./with_addr.sh ./with_tunnels.sh ./test_flow_dissector -o 4 -e bare -i 4 \
+	-D 192.168.0.1 -S 1.1.1.1 -f 8
+# Send 10 IPv4/IPv4/UDP packets from port 9. Filter should drop all.
+./with_addr.sh ./with_tunnels.sh ./test_flow_dissector -o 4 -e bare -i 4 \
+	-D 192.168.0.1 -S 1.1.1.1 -f 9 -F
+# Send 10 IPv4/IPv4/UDP packets from port 10. Filter should not drop any.
+./with_addr.sh ./with_tunnels.sh ./test_flow_dissector -o 4 -e bare -i 4 \
+	-D 192.168.0.1 -S 1.1.1.1 -f 10
+
+echo "Testing IPv4 + GRE..."
+# Send 10 IPv4/GRE/IPv4/UDP packets from port 8. Filter should not drop any.
+./with_addr.sh ./with_tunnels.sh ./test_flow_dissector -o 4 -e gre -i 4 \
+	-D 192.168.0.1 -S 1.1.1.1 -f 8
+# Send 10 IPv4/GRE/IPv4/UDP packets from port 9. Filter should drop all.
+./with_addr.sh ./with_tunnels.sh ./test_flow_dissector -o 4 -e gre -i 4 \
+	-D 192.168.0.1 -S 1.1.1.1 -f 9 -F
+# Send 10 IPv4/GRE/IPv4/UDP packets from port 10. Filter should not drop any.
+./with_addr.sh ./with_tunnels.sh ./test_flow_dissector -o 4 -e gre -i 4 \
+	-D 192.168.0.1 -S 1.1.1.1 -f 10
+
+tc filter del dev lo ingress pref 1337
+
+echo "Testing port range..."
+# Drops all IP/UDP packets coming from port 8-10
+tc filter add dev lo parent ffff: protocol ip pref 1337 flower ip_proto \
+	udp src_port 8-10 action drop
+
+# Send 10 IPv4/UDP packets from port 7. Filter should not drop any.
+./test_flow_dissector -i 4 -f 7
+# Send 10 IPv4/UDP packets from port 9. Filter should drop all.
+./test_flow_dissector -i 4 -f 9 -F
+# Send 10 IPv4/UDP packets from port 11. Filter should not drop any.
+./test_flow_dissector -i 4 -f 11
+
+tc filter del dev lo ingress pref 1337
+
+echo "Testing IPv6..."
+# Drops all IPv6/UDP packets coming from port 9
+tc filter add dev lo parent ffff: protocol ipv6 pref 1337 flower ip_proto \
+	udp src_port 9 action drop
+
+# Send 10 IPv6/UDP packets from port 8. Filter should not drop any.
+./test_flow_dissector -i 6 -f 8
+# Send 10 IPv6/UDP packets from port 9. Filter should drop all.
+./test_flow_dissector -i 6 -f 9 -F
+# Send 10 IPv6/UDP packets from port 10. Filter should not drop any.
+./test_flow_dissector -i 6 -f 10
+
+exit 0
diff --git a/tools/testing/selftests/bpf/test_ftrace.sh b/tools/testing/selftests/bpf/test_ftrace.sh
new file mode 100755
index 000000000..20de7bb87
--- /dev/null
+++ b/tools/testing/selftests/bpf/test_ftrace.sh
@@ -0,0 +1,39 @@
+#!/bin/bash
+
+TR=/sys/kernel/debug/tracing/
+clear_trace() { # reset trace output
+    echo > $TR/trace
+}
+
+disable_tracing() { # stop trace recording
+    echo 0 > $TR/tracing_on
+}
+
+enable_tracing() { # start trace recording
+    echo 1 > $TR/tracing_on
+}
+
+reset_tracer() { # reset the current tracer
+    echo nop > $TR/current_tracer
+}
+
+disable_tracing
+clear_trace
+
+echo "" > $TR/set_ftrace_filter
+echo '*printk* *console* *wake* *serial* *lock*' > $TR/set_ftrace_notrace
+
+echo "bpf_prog_test*" > $TR/set_graph_function
+echo "" > $TR/set_graph_notrace
+
+echo function_graph > $TR/current_tracer
+
+enable_tracing
+./test_progs -t fentry
+./test_progs -t fexit
+disable_tracing
+clear_trace
+
+reset_tracer
+
+exit 0
diff --git a/tools/testing/selftests/bpf/test_iptunnel_common.h b/tools/testing/selftests/bpf/test_iptunnel_common.h
new file mode 100644
index 000000000..1d5ba839d
--- /dev/null
+++ b/tools/testing/selftests/bpf/test_iptunnel_common.h
@@ -0,0 +1,34 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/* Copyright (c) 2016 Facebook
+ */
+#ifndef _TEST_IPTNL_COMMON_H
+#define _TEST_IPTNL_COMMON_H
+
+#include <linux/types.h>
+
+#define MAX_IPTNL_ENTRIES 256U
+
+struct vip {
+	union {
+		__u32 v6[4];
+		__u32 v4;
+	} daddr;
+	__u16 dport;
+	__u16 family;
+	__u8 protocol;
+};
+
+struct iptnl_info {
+	union {
+		__u32 v6[4];
+		__u32 v4;
+	} saddr;
+	union {
+		__u32 v6[4];
+		__u32 v4;
+	} daddr;
+	__u16 family;
+	__u8 dmac[6];
+};
+
+#endif
diff --git a/tools/testing/selftests/bpf/test_kmod.sh b/tools/testing/selftests/bpf/test_kmod.sh
new file mode 100755
index 000000000..50dca53ac
--- /dev/null
+++ b/tools/testing/selftests/bpf/test_kmod.sh
@@ -0,0 +1,73 @@
+#!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
+
+# Usage:
+# ./test_kmod.sh [module_param]...
+# Ex.: ./test_kmod.sh test_range=1,3
+# All the parameters are passed to the kernel module.
+
+# Kselftest framework requirement - SKIP code is 4.
+ksft_skip=4
+
+msg="skip all tests:"
+if [ "$(id -u)" != "0" ]; then
+	echo $msg please run this as root >&2
+	exit $ksft_skip
+fi
+
+if [ "$building_out_of_srctree" ]; then
+	# We are in linux-build/kselftest/bpf
+	OUTPUT=../../
+else
+	# We are in linux/tools/testing/selftests/bpf
+	OUTPUT=../../../../
+fi
+
+test_run()
+{
+	sysctl -w net.core.bpf_jit_enable=$1 2>&1 > /dev/null
+	sysctl -w net.core.bpf_jit_harden=$2 2>&1 > /dev/null
+
+	echo "[ JIT enabled:$1 hardened:$2 ]"
+	shift 2
+	dmesg -C
+	if [ -f ${OUTPUT}/lib/test_bpf.ko ]; then
+		insmod ${OUTPUT}/lib/test_bpf.ko "$@" 2> /dev/null
+		if [ $? -ne 0 ]; then
+			rc=1
+		fi
+	else
+		# Use modprobe dry run to check for missing test_bpf module
+		if ! /sbin/modprobe -q -n test_bpf "$@"; then
+			echo "test_bpf: [SKIP]"
+		elif /sbin/modprobe -q test_bpf "$@"; then
+			echo "test_bpf: ok"
+		else
+			echo "test_bpf: [FAIL]"
+			rc=1
+		fi
+	fi
+	rmmod  test_bpf 2> /dev/null
+	dmesg | grep FAIL
+}
+
+test_save()
+{
+	JE=`sysctl -n net.core.bpf_jit_enable`
+	JH=`sysctl -n net.core.bpf_jit_harden`
+}
+
+test_restore()
+{
+	sysctl -w net.core.bpf_jit_enable=$JE 2>&1 > /dev/null
+	sysctl -w net.core.bpf_jit_harden=$JH 2>&1 > /dev/null
+}
+
+rc=0
+test_save
+test_run 0 0 "$@"
+test_run 1 0 "$@"
+test_run 1 1 "$@"
+test_run 1 2 "$@"
+test_restore
+exit $rc
diff --git a/tools/testing/selftests/bpf/test_lirc_mode2.sh b/tools/testing/selftests/bpf/test_lirc_mode2.sh
new file mode 100755
index 000000000..5252b91f4
--- /dev/null
+++ b/tools/testing/selftests/bpf/test_lirc_mode2.sh
@@ -0,0 +1,41 @@
+#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
+
+# Kselftest framework requirement - SKIP code is 4.
+ksft_skip=4
+ret=$ksft_skip
+
+msg="skip all tests:"
+if [ $UID != 0 ]; then
+	echo $msg please run this as root >&2
+	exit $ksft_skip
+fi
+
+GREEN='\033[0;92m'
+RED='\033[0;31m'
+NC='\033[0m' # No Color
+
+modprobe rc-loopback
+
+for i in /sys/class/rc/rc*
+do
+	if grep -q DRV_NAME=rc-loopback $i/uevent
+	then
+		LIRCDEV=$(grep DEVNAME= $i/lirc*/uevent | sed sQDEVNAME=Q/dev/Q)
+		INPUTDEV=$(grep DEVNAME= $i/input*/event*/uevent | sed sQDEVNAME=Q/dev/Q)
+	fi
+done
+
+if [ -n "$LIRCDEV" ];
+then
+	TYPE=lirc_mode2
+	./test_lirc_mode2_user $LIRCDEV $INPUTDEV
+	ret=$?
+	if [ $ret -ne 0 ]; then
+		echo -e ${RED}"FAIL: $TYPE"${NC}
+	else
+		echo -e ${GREEN}"PASS: $TYPE"${NC}
+	fi
+fi
+
+exit $ret
diff --git a/tools/testing/selftests/bpf/test_lirc_mode2_user.c b/tools/testing/selftests/bpf/test_lirc_mode2_user.c
new file mode 100644
index 000000000..4694422aa
--- /dev/null
+++ b/tools/testing/selftests/bpf/test_lirc_mode2_user.c
@@ -0,0 +1,177 @@
+// SPDX-License-Identifier: GPL-2.0
+// test ir decoder
+//
+// Copyright (C) 2018 Sean Young <sean@mess.org>
+
+// A lirc chardev is a device representing a consumer IR (cir) device which
+// can receive infrared signals from remote control and/or transmit IR.
+//
+// IR is sent as a series of pulses and space somewhat like morse code. The
+// BPF program can decode this into scancodes so that rc-core can translate
+// this into input key codes using the rc keymap.
+//
+// This test works by sending IR over rc-loopback, so the IR is processed by
+// BPF and then decoded into scancodes. The lirc chardev must be the one
+// associated with rc-loopback, see the output of ir-keytable(1).
+//
+// The following CONFIG options must be enabled for the test to succeed:
+// CONFIG_RC_CORE=y
+// CONFIG_BPF_RAWIR_EVENT=y
+// CONFIG_RC_LOOPBACK=y
+
+// Steps:
+// 1. Open the /dev/lircN device for rc-loopback (given on command line)
+// 2. Attach bpf_lirc_mode2 program which decodes some IR.
+// 3. Send some IR to the same IR device; since it is loopback, this will
+//    end up in the bpf program
+// 4. bpf program should decode IR and report keycode
+// 5. We can read keycode from same /dev/lirc device
+
+#include <linux/bpf.h>
+#include <linux/input.h>
+#include <errno.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <poll.h>
+#include <sys/types.h>
+#include <sys/ioctl.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+
+#include "bpf_util.h"
+#include <bpf/bpf.h>
+#include <bpf/libbpf.h>
+
+#include "testing_helpers.h"
+
+int main(int argc, char **argv)
+{
+	struct bpf_object *obj;
+	int ret, lircfd, progfd, inputfd;
+	int testir1 = 0x1dead;
+	int testir2 = 0x20101;
+	u32 prog_ids[10], prog_flags[10], prog_cnt;
+
+	if (argc != 3) {
+		printf("Usage: %s /dev/lircN /dev/input/eventM\n", argv[0]);
+		return 2;
+	}
+
+	ret = bpf_prog_test_load("test_lirc_mode2_kern.bpf.o",
+				 BPF_PROG_TYPE_LIRC_MODE2, &obj, &progfd);
+	if (ret) {
+		printf("Failed to load bpf program\n");
+		return 1;
+	}
+
+	lircfd = open(argv[1], O_RDWR | O_NONBLOCK);
+	if (lircfd == -1) {
+		printf("failed to open lirc device %s: %m\n", argv[1]);
+		return 1;
+	}
+
+	/* Let's try detach it before it was ever attached */
+	ret = bpf_prog_detach2(progfd, lircfd, BPF_LIRC_MODE2);
+	if (ret != -1 || errno != ENOENT) {
+		printf("bpf_prog_detach2 not attached should fail: %m\n");
+		return 1;
+	}
+
+	inputfd = open(argv[2], O_RDONLY | O_NONBLOCK);
+	if (inputfd == -1) {
+		printf("failed to open input device %s: %m\n", argv[1]);
+		return 1;
+	}
+
+	prog_cnt = 10;
+	ret = bpf_prog_query(lircfd, BPF_LIRC_MODE2, 0, prog_flags, prog_ids,
+			     &prog_cnt);
+	if (ret) {
+		printf("Failed to query bpf programs on lirc device: %m\n");
+		return 1;
+	}
+
+	if (prog_cnt != 0) {
+		printf("Expected nothing to be attached\n");
+		return 1;
+	}
+
+	ret = bpf_prog_attach(progfd, lircfd, BPF_LIRC_MODE2, 0);
+	if (ret) {
+		printf("Failed to attach bpf to lirc device: %m\n");
+		return 1;
+	}
+
+	/* Write raw IR */
+	ret = write(lircfd, &testir1, sizeof(testir1));
+	if (ret != sizeof(testir1)) {
+		printf("Failed to send test IR message: %m\n");
+		return 1;
+	}
+
+	struct pollfd pfd = { .fd = inputfd, .events = POLLIN };
+	struct input_event event;
+
+	for (;;) {
+		poll(&pfd, 1, 100);
+
+		/* Read decoded IR */
+		ret = read(inputfd, &event, sizeof(event));
+		if (ret != sizeof(event)) {
+			printf("Failed to read decoded IR: %m\n");
+			return 1;
+		}
+
+		if (event.type == EV_MSC && event.code == MSC_SCAN &&
+		    event.value == 0xdead) {
+			break;
+		}
+	}
+
+	/* Write raw IR */
+	ret = write(lircfd, &testir2, sizeof(testir2));
+	if (ret != sizeof(testir2)) {
+		printf("Failed to send test IR message: %m\n");
+		return 1;
+	}
+
+	for (;;) {
+		poll(&pfd, 1, 100);
+
+		/* Read decoded IR */
+		ret = read(inputfd, &event, sizeof(event));
+		if (ret != sizeof(event)) {
+			printf("Failed to read decoded IR: %m\n");
+			return 1;
+		}
+
+		if (event.type == EV_REL && event.code == REL_Y &&
+		    event.value == 1 ) {
+			break;
+		}
+	}
+
+	prog_cnt = 10;
+	ret = bpf_prog_query(lircfd, BPF_LIRC_MODE2, 0, prog_flags, prog_ids,
+			     &prog_cnt);
+	if (ret) {
+		printf("Failed to query bpf programs on lirc device: %m\n");
+		return 1;
+	}
+
+	if (prog_cnt != 1) {
+		printf("Expected one program to be attached\n");
+		return 1;
+	}
+
+	/* Let's try detaching it now it is actually attached */
+	ret = bpf_prog_detach2(progfd, lircfd, BPF_LIRC_MODE2);
+	if (ret) {
+		printf("bpf_prog_detach2: returned %m\n");
+		return 1;
+	}
+
+	return 0;
+}
diff --git a/tools/testing/selftests/bpf/test_lpm_map.c b/tools/testing/selftests/bpf/test_lpm_map.c
new file mode 100644
index 000000000..c028d621c
--- /dev/null
+++ b/tools/testing/selftests/bpf/test_lpm_map.c
@@ -0,0 +1,797 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Randomized tests for eBPF longest-prefix-match maps
+ *
+ * This program runs randomized tests against the lpm-bpf-map. It implements a
+ * "Trivial Longest Prefix Match" (tlpm) based on simple, linear, singly linked
+ * lists. The implementation should be pretty straightforward.
+ *
+ * Based on tlpm, this inserts randomized data into bpf-lpm-maps and verifies
+ * the trie-based bpf-map implementation behaves the same way as tlpm.
+ */
+
+#include <assert.h>
+#include <errno.h>
+#include <inttypes.h>
+#include <linux/bpf.h>
+#include <pthread.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <time.h>
+#include <unistd.h>
+#include <arpa/inet.h>
+#include <sys/time.h>
+
+#include <bpf/bpf.h>
+
+#include "bpf_util.h"
+
+struct tlpm_node {
+	struct tlpm_node *next;
+	size_t n_bits;
+	uint8_t key[];
+};
+
+static struct tlpm_node *tlpm_match(struct tlpm_node *list,
+				    const uint8_t *key,
+				    size_t n_bits);
+
+static struct tlpm_node *tlpm_add(struct tlpm_node *list,
+				  const uint8_t *key,
+				  size_t n_bits)
+{
+	struct tlpm_node *node;
+	size_t n;
+
+	n = (n_bits + 7) / 8;
+
+	/* 'overwrite' an equivalent entry if one already exists */
+	node = tlpm_match(list, key, n_bits);
+	if (node && node->n_bits == n_bits) {
+		memcpy(node->key, key, n);
+		return list;
+	}
+
+	/* add new entry with @key/@n_bits to @list and return new head */
+
+	node = malloc(sizeof(*node) + n);
+	assert(node);
+
+	node->next = list;
+	node->n_bits = n_bits;
+	memcpy(node->key, key, n);
+
+	return node;
+}
+
+static void tlpm_clear(struct tlpm_node *list)
+{
+	struct tlpm_node *node;
+
+	/* free all entries in @list */
+
+	while ((node = list)) {
+		list = list->next;
+		free(node);
+	}
+}
+
+static struct tlpm_node *tlpm_match(struct tlpm_node *list,
+				    const uint8_t *key,
+				    size_t n_bits)
+{
+	struct tlpm_node *best = NULL;
+	size_t i;
+
+	/* Perform longest prefix-match on @key/@n_bits. That is, iterate all
+	 * entries and match each prefix against @key. Remember the "best"
+	 * entry we find (i.e., the longest prefix that matches) and return it
+	 * to the caller when done.
+	 */
+
+	for ( ; list; list = list->next) {
+		for (i = 0; i < n_bits && i < list->n_bits; ++i) {
+			if ((key[i / 8] & (1 << (7 - i % 8))) !=
+			    (list->key[i / 8] & (1 << (7 - i % 8))))
+				break;
+		}
+
+		if (i >= list->n_bits) {
+			if (!best || i > best->n_bits)
+				best = list;
+		}
+	}
+
+	return best;
+}
+
+static struct tlpm_node *tlpm_delete(struct tlpm_node *list,
+				     const uint8_t *key,
+				     size_t n_bits)
+{
+	struct tlpm_node *best = tlpm_match(list, key, n_bits);
+	struct tlpm_node *node;
+
+	if (!best || best->n_bits != n_bits)
+		return list;
+
+	if (best == list) {
+		node = best->next;
+		free(best);
+		return node;
+	}
+
+	for (node = list; node; node = node->next) {
+		if (node->next == best) {
+			node->next = best->next;
+			free(best);
+			return list;
+		}
+	}
+	/* should never get here */
+	assert(0);
+	return list;
+}
+
+static void test_lpm_basic(void)
+{
+	struct tlpm_node *list = NULL, *t1, *t2;
+
+	/* very basic, static tests to verify tlpm works as expected */
+
+	assert(!tlpm_match(list, (uint8_t[]){ 0xff }, 8));
+
+	t1 = list = tlpm_add(list, (uint8_t[]){ 0xff }, 8);
+	assert(t1 == tlpm_match(list, (uint8_t[]){ 0xff }, 8));
+	assert(t1 == tlpm_match(list, (uint8_t[]){ 0xff, 0xff }, 16));
+	assert(t1 == tlpm_match(list, (uint8_t[]){ 0xff, 0x00 }, 16));
+	assert(!tlpm_match(list, (uint8_t[]){ 0x7f }, 8));
+	assert(!tlpm_match(list, (uint8_t[]){ 0xfe }, 8));
+	assert(!tlpm_match(list, (uint8_t[]){ 0xff }, 7));
+
+	t2 = list = tlpm_add(list, (uint8_t[]){ 0xff, 0xff }, 16);
+	assert(t1 == tlpm_match(list, (uint8_t[]){ 0xff }, 8));
+	assert(t2 == tlpm_match(list, (uint8_t[]){ 0xff, 0xff }, 16));
+	assert(t1 == tlpm_match(list, (uint8_t[]){ 0xff, 0xff }, 15));
+	assert(!tlpm_match(list, (uint8_t[]){ 0x7f, 0xff }, 16));
+
+	list = tlpm_delete(list, (uint8_t[]){ 0xff, 0xff }, 16);
+	assert(t1 == tlpm_match(list, (uint8_t[]){ 0xff }, 8));
+	assert(t1 == tlpm_match(list, (uint8_t[]){ 0xff, 0xff }, 16));
+
+	list = tlpm_delete(list, (uint8_t[]){ 0xff }, 8);
+	assert(!tlpm_match(list, (uint8_t[]){ 0xff }, 8));
+
+	tlpm_clear(list);
+}
+
+static void test_lpm_order(void)
+{
+	struct tlpm_node *t1, *t2, *l1 = NULL, *l2 = NULL;
+	size_t i, j;
+
+	/* Verify the tlpm implementation works correctly regardless of the
+	 * order of entries. Insert a random set of entries into @l1, and copy
+	 * the same data in reverse order into @l2. Then verify a lookup of
+	 * random keys will yield the same result in both sets.
+	 */
+
+	for (i = 0; i < (1 << 12); ++i)
+		l1 = tlpm_add(l1, (uint8_t[]){
+					rand() % 0xff,
+					rand() % 0xff,
+				}, rand() % 16 + 1);
+
+	for (t1 = l1; t1; t1 = t1->next)
+		l2 = tlpm_add(l2, t1->key, t1->n_bits);
+
+	for (i = 0; i < (1 << 8); ++i) {
+		uint8_t key[] = { rand() % 0xff, rand() % 0xff };
+
+		t1 = tlpm_match(l1, key, 16);
+		t2 = tlpm_match(l2, key, 16);
+
+		assert(!t1 == !t2);
+		if (t1) {
+			assert(t1->n_bits == t2->n_bits);
+			for (j = 0; j < t1->n_bits; ++j)
+				assert((t1->key[j / 8] & (1 << (7 - j % 8))) ==
+				       (t2->key[j / 8] & (1 << (7 - j % 8))));
+		}
+	}
+
+	tlpm_clear(l1);
+	tlpm_clear(l2);
+}
+
+static void test_lpm_map(int keysize)
+{
+	LIBBPF_OPTS(bpf_map_create_opts, opts, .map_flags = BPF_F_NO_PREALLOC);
+	volatile size_t n_matches, n_matches_after_delete;
+	size_t i, j, n_nodes, n_lookups;
+	struct tlpm_node *t, *list = NULL;
+	struct bpf_lpm_trie_key *key;
+	uint8_t *data, *value;
+	int r, map;
+
+	/* Compare behavior of tlpm vs. bpf-lpm. Create a randomized set of
+	 * prefixes and insert it into both tlpm and bpf-lpm. Then run some
+	 * randomized lookups and verify both maps return the same result.
+	 */
+
+	n_matches = 0;
+	n_matches_after_delete = 0;
+	n_nodes = 1 << 8;
+	n_lookups = 1 << 16;
+
+	data = alloca(keysize);
+	memset(data, 0, keysize);
+
+	value = alloca(keysize + 1);
+	memset(value, 0, keysize + 1);
+
+	key = alloca(sizeof(*key) + keysize);
+	memset(key, 0, sizeof(*key) + keysize);
+
+	map = bpf_map_create(BPF_MAP_TYPE_LPM_TRIE, NULL,
+			     sizeof(*key) + keysize,
+			     keysize + 1,
+			     4096,
+			     &opts);
+	assert(map >= 0);
+
+	for (i = 0; i < n_nodes; ++i) {
+		for (j = 0; j < keysize; ++j)
+			value[j] = rand() & 0xff;
+		value[keysize] = rand() % (8 * keysize + 1);
+
+		list = tlpm_add(list, value, value[keysize]);
+
+		key->prefixlen = value[keysize];
+		memcpy(key->data, value, keysize);
+		r = bpf_map_update_elem(map, key, value, 0);
+		assert(!r);
+	}
+
+	for (i = 0; i < n_lookups; ++i) {
+		for (j = 0; j < keysize; ++j)
+			data[j] = rand() & 0xff;
+
+		t = tlpm_match(list, data, 8 * keysize);
+
+		key->prefixlen = 8 * keysize;
+		memcpy(key->data, data, keysize);
+		r = bpf_map_lookup_elem(map, key, value);
+		assert(!r || errno == ENOENT);
+		assert(!t == !!r);
+
+		if (t) {
+			++n_matches;
+			assert(t->n_bits == value[keysize]);
+			for (j = 0; j < t->n_bits; ++j)
+				assert((t->key[j / 8] & (1 << (7 - j % 8))) ==
+				       (value[j / 8] & (1 << (7 - j % 8))));
+		}
+	}
+
+	/* Remove the first half of the elements in the tlpm and the
+	 * corresponding nodes from the bpf-lpm.  Then run the same
+	 * large number of random lookups in both and make sure they match.
+	 * Note: we need to count the number of nodes actually inserted
+	 * since there may have been duplicates.
+	 */
+	for (i = 0, t = list; t; i++, t = t->next)
+		;
+	for (j = 0; j < i / 2; ++j) {
+		key->prefixlen = list->n_bits;
+		memcpy(key->data, list->key, keysize);
+		r = bpf_map_delete_elem(map, key);
+		assert(!r);
+		list = tlpm_delete(list, list->key, list->n_bits);
+		assert(list);
+	}
+	for (i = 0; i < n_lookups; ++i) {
+		for (j = 0; j < keysize; ++j)
+			data[j] = rand() & 0xff;
+
+		t = tlpm_match(list, data, 8 * keysize);
+
+		key->prefixlen = 8 * keysize;
+		memcpy(key->data, data, keysize);
+		r = bpf_map_lookup_elem(map, key, value);
+		assert(!r || errno == ENOENT);
+		assert(!t == !!r);
+
+		if (t) {
+			++n_matches_after_delete;
+			assert(t->n_bits == value[keysize]);
+			for (j = 0; j < t->n_bits; ++j)
+				assert((t->key[j / 8] & (1 << (7 - j % 8))) ==
+				       (value[j / 8] & (1 << (7 - j % 8))));
+		}
+	}
+
+	close(map);
+	tlpm_clear(list);
+
+	/* With 255 random nodes in the map, we are pretty likely to match
+	 * something on every lookup. For statistics, use this:
+	 *
+	 *     printf("          nodes: %zu\n"
+	 *            "        lookups: %zu\n"
+	 *            "        matches: %zu\n"
+	 *            "matches(delete): %zu\n",
+	 *            n_nodes, n_lookups, n_matches, n_matches_after_delete);
+	 */
+}
+
+/* Test the implementation with some 'real world' examples */
+
+static void test_lpm_ipaddr(void)
+{
+	LIBBPF_OPTS(bpf_map_create_opts, opts, .map_flags = BPF_F_NO_PREALLOC);
+	struct bpf_lpm_trie_key *key_ipv4;
+	struct bpf_lpm_trie_key *key_ipv6;
+	size_t key_size_ipv4;
+	size_t key_size_ipv6;
+	int map_fd_ipv4;
+	int map_fd_ipv6;
+	__u64 value;
+
+	key_size_ipv4 = sizeof(*key_ipv4) + sizeof(__u32);
+	key_size_ipv6 = sizeof(*key_ipv6) + sizeof(__u32) * 4;
+	key_ipv4 = alloca(key_size_ipv4);
+	key_ipv6 = alloca(key_size_ipv6);
+
+	map_fd_ipv4 = bpf_map_create(BPF_MAP_TYPE_LPM_TRIE, NULL,
+				     key_size_ipv4, sizeof(value),
+				     100, &opts);
+	assert(map_fd_ipv4 >= 0);
+
+	map_fd_ipv6 = bpf_map_create(BPF_MAP_TYPE_LPM_TRIE, NULL,
+				     key_size_ipv6, sizeof(value),
+				     100, &opts);
+	assert(map_fd_ipv6 >= 0);
+
+	/* Fill data some IPv4 and IPv6 address ranges */
+	value = 1;
+	key_ipv4->prefixlen = 16;
+	inet_pton(AF_INET, "192.168.0.0", key_ipv4->data);
+	assert(bpf_map_update_elem(map_fd_ipv4, key_ipv4, &value, 0) == 0);
+
+	value = 2;
+	key_ipv4->prefixlen = 24;
+	inet_pton(AF_INET, "192.168.0.0", key_ipv4->data);
+	assert(bpf_map_update_elem(map_fd_ipv4, key_ipv4, &value, 0) == 0);
+
+	value = 3;
+	key_ipv4->prefixlen = 24;
+	inet_pton(AF_INET, "192.168.128.0", key_ipv4->data);
+	assert(bpf_map_update_elem(map_fd_ipv4, key_ipv4, &value, 0) == 0);
+
+	value = 5;
+	key_ipv4->prefixlen = 24;
+	inet_pton(AF_INET, "192.168.1.0", key_ipv4->data);
+	assert(bpf_map_update_elem(map_fd_ipv4, key_ipv4, &value, 0) == 0);
+
+	value = 4;
+	key_ipv4->prefixlen = 23;
+	inet_pton(AF_INET, "192.168.0.0", key_ipv4->data);
+	assert(bpf_map_update_elem(map_fd_ipv4, key_ipv4, &value, 0) == 0);
+
+	value = 0xdeadbeef;
+	key_ipv6->prefixlen = 64;
+	inet_pton(AF_INET6, "2a00:1450:4001:814::200e", key_ipv6->data);
+	assert(bpf_map_update_elem(map_fd_ipv6, key_ipv6, &value, 0) == 0);
+
+	/* Set tprefixlen to maximum for lookups */
+	key_ipv4->prefixlen = 32;
+	key_ipv6->prefixlen = 128;
+
+	/* Test some lookups that should come back with a value */
+	inet_pton(AF_INET, "192.168.128.23", key_ipv4->data);
+	assert(bpf_map_lookup_elem(map_fd_ipv4, key_ipv4, &value) == 0);
+	assert(value == 3);
+
+	inet_pton(AF_INET, "192.168.0.1", key_ipv4->data);
+	assert(bpf_map_lookup_elem(map_fd_ipv4, key_ipv4, &value) == 0);
+	assert(value == 2);
+
+	inet_pton(AF_INET6, "2a00:1450:4001:814::", key_ipv6->data);
+	assert(bpf_map_lookup_elem(map_fd_ipv6, key_ipv6, &value) == 0);
+	assert(value == 0xdeadbeef);
+
+	inet_pton(AF_INET6, "2a00:1450:4001:814::1", key_ipv6->data);
+	assert(bpf_map_lookup_elem(map_fd_ipv6, key_ipv6, &value) == 0);
+	assert(value == 0xdeadbeef);
+
+	/* Test some lookups that should not match any entry */
+	inet_pton(AF_INET, "10.0.0.1", key_ipv4->data);
+	assert(bpf_map_lookup_elem(map_fd_ipv4, key_ipv4, &value) == -ENOENT);
+
+	inet_pton(AF_INET, "11.11.11.11", key_ipv4->data);
+	assert(bpf_map_lookup_elem(map_fd_ipv4, key_ipv4, &value) == -ENOENT);
+
+	inet_pton(AF_INET6, "2a00:ffff::", key_ipv6->data);
+	assert(bpf_map_lookup_elem(map_fd_ipv6, key_ipv6, &value) == -ENOENT);
+
+	close(map_fd_ipv4);
+	close(map_fd_ipv6);
+}
+
+static void test_lpm_delete(void)
+{
+	LIBBPF_OPTS(bpf_map_create_opts, opts, .map_flags = BPF_F_NO_PREALLOC);
+	struct bpf_lpm_trie_key *key;
+	size_t key_size;
+	int map_fd;
+	__u64 value;
+
+	key_size = sizeof(*key) + sizeof(__u32);
+	key = alloca(key_size);
+
+	map_fd = bpf_map_create(BPF_MAP_TYPE_LPM_TRIE, NULL,
+				key_size, sizeof(value),
+				100, &opts);
+	assert(map_fd >= 0);
+
+	/* Add nodes:
+	 * 192.168.0.0/16   (1)
+	 * 192.168.0.0/24   (2)
+	 * 192.168.128.0/24 (3)
+	 * 192.168.1.0/24   (4)
+	 *
+	 *         (1)
+	 *        /   \
+         *     (IM)    (3)
+	 *    /   \
+         *   (2)  (4)
+	 */
+	value = 1;
+	key->prefixlen = 16;
+	inet_pton(AF_INET, "192.168.0.0", key->data);
+	assert(bpf_map_update_elem(map_fd, key, &value, 0) == 0);
+
+	value = 2;
+	key->prefixlen = 24;
+	inet_pton(AF_INET, "192.168.0.0", key->data);
+	assert(bpf_map_update_elem(map_fd, key, &value, 0) == 0);
+
+	value = 3;
+	key->prefixlen = 24;
+	inet_pton(AF_INET, "192.168.128.0", key->data);
+	assert(bpf_map_update_elem(map_fd, key, &value, 0) == 0);
+
+	value = 4;
+	key->prefixlen = 24;
+	inet_pton(AF_INET, "192.168.1.0", key->data);
+	assert(bpf_map_update_elem(map_fd, key, &value, 0) == 0);
+
+	/* remove non-existent node */
+	key->prefixlen = 32;
+	inet_pton(AF_INET, "10.0.0.1", key->data);
+	assert(bpf_map_lookup_elem(map_fd, key, &value) == -ENOENT);
+
+	key->prefixlen = 30; // unused prefix so far
+	inet_pton(AF_INET, "192.255.0.0", key->data);
+	assert(bpf_map_delete_elem(map_fd, key) == -ENOENT);
+
+	key->prefixlen = 16; // same prefix as the root node
+	inet_pton(AF_INET, "192.255.0.0", key->data);
+	assert(bpf_map_delete_elem(map_fd, key) == -ENOENT);
+
+	/* assert initial lookup */
+	key->prefixlen = 32;
+	inet_pton(AF_INET, "192.168.0.1", key->data);
+	assert(bpf_map_lookup_elem(map_fd, key, &value) == 0);
+	assert(value == 2);
+
+	/* remove leaf node */
+	key->prefixlen = 24;
+	inet_pton(AF_INET, "192.168.0.0", key->data);
+	assert(bpf_map_delete_elem(map_fd, key) == 0);
+
+	key->prefixlen = 32;
+	inet_pton(AF_INET, "192.168.0.1", key->data);
+	assert(bpf_map_lookup_elem(map_fd, key, &value) == 0);
+	assert(value == 1);
+
+	/* remove leaf (and intermediary) node */
+	key->prefixlen = 24;
+	inet_pton(AF_INET, "192.168.1.0", key->data);
+	assert(bpf_map_delete_elem(map_fd, key) == 0);
+
+	key->prefixlen = 32;
+	inet_pton(AF_INET, "192.168.1.1", key->data);
+	assert(bpf_map_lookup_elem(map_fd, key, &value) == 0);
+	assert(value == 1);
+
+	/* remove root node */
+	key->prefixlen = 16;
+	inet_pton(AF_INET, "192.168.0.0", key->data);
+	assert(bpf_map_delete_elem(map_fd, key) == 0);
+
+	key->prefixlen = 32;
+	inet_pton(AF_INET, "192.168.128.1", key->data);
+	assert(bpf_map_lookup_elem(map_fd, key, &value) == 0);
+	assert(value == 3);
+
+	/* remove last node */
+	key->prefixlen = 24;
+	inet_pton(AF_INET, "192.168.128.0", key->data);
+	assert(bpf_map_delete_elem(map_fd, key) == 0);
+
+	key->prefixlen = 32;
+	inet_pton(AF_INET, "192.168.128.1", key->data);
+	assert(bpf_map_lookup_elem(map_fd, key, &value) == -ENOENT);
+
+	close(map_fd);
+}
+
+static void test_lpm_get_next_key(void)
+{
+	LIBBPF_OPTS(bpf_map_create_opts, opts, .map_flags = BPF_F_NO_PREALLOC);
+	struct bpf_lpm_trie_key *key_p, *next_key_p;
+	size_t key_size;
+	__u32 value = 0;
+	int map_fd;
+
+	key_size = sizeof(*key_p) + sizeof(__u32);
+	key_p = alloca(key_size);
+	next_key_p = alloca(key_size);
+
+	map_fd = bpf_map_create(BPF_MAP_TYPE_LPM_TRIE, NULL, key_size, sizeof(value), 100, &opts);
+	assert(map_fd >= 0);
+
+	/* empty tree. get_next_key should return ENOENT */
+	assert(bpf_map_get_next_key(map_fd, NULL, key_p) == -ENOENT);
+
+	/* get and verify the first key, get the second one should fail. */
+	key_p->prefixlen = 16;
+	inet_pton(AF_INET, "192.168.0.0", key_p->data);
+	assert(bpf_map_update_elem(map_fd, key_p, &value, 0) == 0);
+
+	memset(key_p, 0, key_size);
+	assert(bpf_map_get_next_key(map_fd, NULL, key_p) == 0);
+	assert(key_p->prefixlen == 16 && key_p->data[0] == 192 &&
+	       key_p->data[1] == 168);
+
+	assert(bpf_map_get_next_key(map_fd, key_p, next_key_p) == -ENOENT);
+
+	/* no exact matching key should get the first one in post order. */
+	key_p->prefixlen = 8;
+	assert(bpf_map_get_next_key(map_fd, NULL, key_p) == 0);
+	assert(key_p->prefixlen == 16 && key_p->data[0] == 192 &&
+	       key_p->data[1] == 168);
+
+	/* add one more element (total two) */
+	key_p->prefixlen = 24;
+	inet_pton(AF_INET, "192.168.128.0", key_p->data);
+	assert(bpf_map_update_elem(map_fd, key_p, &value, 0) == 0);
+
+	memset(key_p, 0, key_size);
+	assert(bpf_map_get_next_key(map_fd, NULL, key_p) == 0);
+	assert(key_p->prefixlen == 24 && key_p->data[0] == 192 &&
+	       key_p->data[1] == 168 && key_p->data[2] == 128);
+
+	memset(next_key_p, 0, key_size);
+	assert(bpf_map_get_next_key(map_fd, key_p, next_key_p) == 0);
+	assert(next_key_p->prefixlen == 16 && next_key_p->data[0] == 192 &&
+	       next_key_p->data[1] == 168);
+
+	memcpy(key_p, next_key_p, key_size);
+	assert(bpf_map_get_next_key(map_fd, key_p, next_key_p) == -ENOENT);
+
+	/* Add one more element (total three) */
+	key_p->prefixlen = 24;
+	inet_pton(AF_INET, "192.168.0.0", key_p->data);
+	assert(bpf_map_update_elem(map_fd, key_p, &value, 0) == 0);
+
+	memset(key_p, 0, key_size);
+	assert(bpf_map_get_next_key(map_fd, NULL, key_p) == 0);
+	assert(key_p->prefixlen == 24 && key_p->data[0] == 192 &&
+	       key_p->data[1] == 168 && key_p->data[2] == 0);
+
+	memset(next_key_p, 0, key_size);
+	assert(bpf_map_get_next_key(map_fd, key_p, next_key_p) == 0);
+	assert(next_key_p->prefixlen == 24 && next_key_p->data[0] == 192 &&
+	       next_key_p->data[1] == 168 && next_key_p->data[2] == 128);
+
+	memcpy(key_p, next_key_p, key_size);
+	assert(bpf_map_get_next_key(map_fd, key_p, next_key_p) == 0);
+	assert(next_key_p->prefixlen == 16 && next_key_p->data[0] == 192 &&
+	       next_key_p->data[1] == 168);
+
+	memcpy(key_p, next_key_p, key_size);
+	assert(bpf_map_get_next_key(map_fd, key_p, next_key_p) == -ENOENT);
+
+	/* Add one more element (total four) */
+	key_p->prefixlen = 24;
+	inet_pton(AF_INET, "192.168.1.0", key_p->data);
+	assert(bpf_map_update_elem(map_fd, key_p, &value, 0) == 0);
+
+	memset(key_p, 0, key_size);
+	assert(bpf_map_get_next_key(map_fd, NULL, key_p) == 0);
+	assert(key_p->prefixlen == 24 && key_p->data[0] == 192 &&
+	       key_p->data[1] == 168 && key_p->data[2] == 0);
+
+	memset(next_key_p, 0, key_size);
+	assert(bpf_map_get_next_key(map_fd, key_p, next_key_p) == 0);
+	assert(next_key_p->prefixlen == 24 && next_key_p->data[0] == 192 &&
+	       next_key_p->data[1] == 168 && next_key_p->data[2] == 1);
+
+	memcpy(key_p, next_key_p, key_size);
+	assert(bpf_map_get_next_key(map_fd, key_p, next_key_p) == 0);
+	assert(next_key_p->prefixlen == 24 && next_key_p->data[0] == 192 &&
+	       next_key_p->data[1] == 168 && next_key_p->data[2] == 128);
+
+	memcpy(key_p, next_key_p, key_size);
+	assert(bpf_map_get_next_key(map_fd, key_p, next_key_p) == 0);
+	assert(next_key_p->prefixlen == 16 && next_key_p->data[0] == 192 &&
+	       next_key_p->data[1] == 168);
+
+	memcpy(key_p, next_key_p, key_size);
+	assert(bpf_map_get_next_key(map_fd, key_p, next_key_p) == -ENOENT);
+
+	/* Add one more element (total five) */
+	key_p->prefixlen = 28;
+	inet_pton(AF_INET, "192.168.1.128", key_p->data);
+	assert(bpf_map_update_elem(map_fd, key_p, &value, 0) == 0);
+
+	memset(key_p, 0, key_size);
+	assert(bpf_map_get_next_key(map_fd, NULL, key_p) == 0);
+	assert(key_p->prefixlen == 24 && key_p->data[0] == 192 &&
+	       key_p->data[1] == 168 && key_p->data[2] == 0);
+
+	memset(next_key_p, 0, key_size);
+	assert(bpf_map_get_next_key(map_fd, key_p, next_key_p) == 0);
+	assert(next_key_p->prefixlen == 28 && next_key_p->data[0] == 192 &&
+	       next_key_p->data[1] == 168 && next_key_p->data[2] == 1 &&
+	       next_key_p->data[3] == 128);
+
+	memcpy(key_p, next_key_p, key_size);
+	assert(bpf_map_get_next_key(map_fd, key_p, next_key_p) == 0);
+	assert(next_key_p->prefixlen == 24 && next_key_p->data[0] == 192 &&
+	       next_key_p->data[1] == 168 && next_key_p->data[2] == 1);
+
+	memcpy(key_p, next_key_p, key_size);
+	assert(bpf_map_get_next_key(map_fd, key_p, next_key_p) == 0);
+	assert(next_key_p->prefixlen == 24 && next_key_p->data[0] == 192 &&
+	       next_key_p->data[1] == 168 && next_key_p->data[2] == 128);
+
+	memcpy(key_p, next_key_p, key_size);
+	assert(bpf_map_get_next_key(map_fd, key_p, next_key_p) == 0);
+	assert(next_key_p->prefixlen == 16 && next_key_p->data[0] == 192 &&
+	       next_key_p->data[1] == 168);
+
+	memcpy(key_p, next_key_p, key_size);
+	assert(bpf_map_get_next_key(map_fd, key_p, next_key_p) == -ENOENT);
+
+	/* no exact matching key should return the first one in post order */
+	key_p->prefixlen = 22;
+	inet_pton(AF_INET, "192.168.1.0", key_p->data);
+	assert(bpf_map_get_next_key(map_fd, key_p, next_key_p) == 0);
+	assert(next_key_p->prefixlen == 24 && next_key_p->data[0] == 192 &&
+	       next_key_p->data[1] == 168 && next_key_p->data[2] == 0);
+
+	close(map_fd);
+}
+
+#define MAX_TEST_KEYS	4
+struct lpm_mt_test_info {
+	int cmd; /* 0: update, 1: delete, 2: lookup, 3: get_next_key */
+	int iter;
+	int map_fd;
+	struct {
+		__u32 prefixlen;
+		__u32 data;
+	} key[MAX_TEST_KEYS];
+};
+
+static void *lpm_test_command(void *arg)
+{
+	int i, j, ret, iter, key_size;
+	struct lpm_mt_test_info *info = arg;
+	struct bpf_lpm_trie_key *key_p;
+
+	key_size = sizeof(struct bpf_lpm_trie_key) + sizeof(__u32);
+	key_p = alloca(key_size);
+	for (iter = 0; iter < info->iter; iter++)
+		for (i = 0; i < MAX_TEST_KEYS; i++) {
+			/* first half of iterations in forward order,
+			 * and second half in backward order.
+			 */
+			j = (iter < (info->iter / 2)) ? i : MAX_TEST_KEYS - i - 1;
+			key_p->prefixlen = info->key[j].prefixlen;
+			memcpy(key_p->data, &info->key[j].data, sizeof(__u32));
+			if (info->cmd == 0) {
+				__u32 value = j;
+				/* update must succeed */
+				assert(bpf_map_update_elem(info->map_fd, key_p, &value, 0) == 0);
+			} else if (info->cmd == 1) {
+				ret = bpf_map_delete_elem(info->map_fd, key_p);
+				assert(ret == 0 || errno == ENOENT);
+			} else if (info->cmd == 2) {
+				__u32 value;
+				ret = bpf_map_lookup_elem(info->map_fd, key_p, &value);
+				assert(ret == 0 || errno == ENOENT);
+			} else {
+				struct bpf_lpm_trie_key *next_key_p = alloca(key_size);
+				ret = bpf_map_get_next_key(info->map_fd, key_p, next_key_p);
+				assert(ret == 0 || errno == ENOENT || errno == ENOMEM);
+			}
+		}
+
+	// Pass successful exit info back to the main thread
+	pthread_exit((void *)info);
+}
+
+static void setup_lpm_mt_test_info(struct lpm_mt_test_info *info, int map_fd)
+{
+	info->iter = 2000;
+	info->map_fd = map_fd;
+	info->key[0].prefixlen = 16;
+	inet_pton(AF_INET, "192.168.0.0", &info->key[0].data);
+	info->key[1].prefixlen = 24;
+	inet_pton(AF_INET, "192.168.0.0", &info->key[1].data);
+	info->key[2].prefixlen = 24;
+	inet_pton(AF_INET, "192.168.128.0", &info->key[2].data);
+	info->key[3].prefixlen = 24;
+	inet_pton(AF_INET, "192.168.1.0", &info->key[3].data);
+}
+
+static void test_lpm_multi_thread(void)
+{
+	LIBBPF_OPTS(bpf_map_create_opts, opts, .map_flags = BPF_F_NO_PREALLOC);
+	struct lpm_mt_test_info info[4];
+	size_t key_size, value_size;
+	pthread_t thread_id[4];
+	int i, map_fd;
+	void *ret;
+
+	/* create a trie */
+	value_size = sizeof(__u32);
+	key_size = sizeof(struct bpf_lpm_trie_key) + value_size;
+	map_fd = bpf_map_create(BPF_MAP_TYPE_LPM_TRIE, NULL, key_size, value_size, 100, &opts);
+
+	/* create 4 threads to test update, delete, lookup and get_next_key */
+	setup_lpm_mt_test_info(&info[0], map_fd);
+	for (i = 0; i < 4; i++) {
+		if (i != 0)
+			memcpy(&info[i], &info[0], sizeof(info[i]));
+		info[i].cmd = i;
+		assert(pthread_create(&thread_id[i], NULL, &lpm_test_command, &info[i]) == 0);
+	}
+
+	for (i = 0; i < 4; i++)
+		assert(pthread_join(thread_id[i], &ret) == 0 && ret == (void *)&info[i]);
+
+	close(map_fd);
+}
+
+int main(void)
+{
+	int i;
+
+	/* we want predictable, pseudo random tests */
+	srand(0xf00ba1);
+
+	/* Use libbpf 1.0 API mode */
+	libbpf_set_strict_mode(LIBBPF_STRICT_ALL);
+
+	test_lpm_basic();
+	test_lpm_order();
+
+	/* Test with 8, 16, 24, 32, ... 128 bit prefix length */
+	for (i = 1; i <= 16; ++i)
+		test_lpm_map(i);
+
+	test_lpm_ipaddr();
+	test_lpm_delete();
+	test_lpm_get_next_key();
+	test_lpm_multi_thread();
+
+	printf("test_lpm: OK\n");
+	return 0;
+}
diff --git a/tools/testing/selftests/bpf/test_lru_map.c b/tools/testing/selftests/bpf/test_lru_map.c
new file mode 100644
index 000000000..4d0650cfb
--- /dev/null
+++ b/tools/testing/selftests/bpf/test_lru_map.c
@@ -0,0 +1,885 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (c) 2016 Facebook
+ */
+#define _GNU_SOURCE
+#include <stdio.h>
+#include <unistd.h>
+#include <errno.h>
+#include <string.h>
+#include <assert.h>
+#include <sched.h>
+#include <stdlib.h>
+#include <time.h>
+
+#include <sys/wait.h>
+
+#include <bpf/bpf.h>
+#include <bpf/libbpf.h>
+
+#include "bpf_util.h"
+#include "../../../include/linux/filter.h"
+
+#define LOCAL_FREE_TARGET	(128)
+#define PERCPU_FREE_TARGET	(4)
+
+static int nr_cpus;
+
+static int create_map(int map_type, int map_flags, unsigned int size)
+{
+	LIBBPF_OPTS(bpf_map_create_opts, opts, .map_flags = map_flags);
+	int map_fd;
+
+	map_fd = bpf_map_create(map_type, NULL,  sizeof(unsigned long long),
+				sizeof(unsigned long long), size, &opts);
+
+	if (map_fd == -1)
+		perror("bpf_map_create");
+
+	return map_fd;
+}
+
+static int bpf_map_lookup_elem_with_ref_bit(int fd, unsigned long long key,
+					    void *value)
+{
+	struct bpf_insn insns[] = {
+		BPF_LD_MAP_VALUE(BPF_REG_9, 0, 0),
+		BPF_LD_MAP_FD(BPF_REG_1, fd),
+		BPF_LD_IMM64(BPF_REG_3, key),
+		BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+		BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+		BPF_STX_MEM(BPF_DW, BPF_REG_2, BPF_REG_3, 0),
+		BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+		BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 4),
+		BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_0, 0),
+		BPF_STX_MEM(BPF_DW, BPF_REG_9, BPF_REG_1, 0),
+		BPF_MOV64_IMM(BPF_REG_0, 42),
+		BPF_JMP_IMM(BPF_JA, 0, 0, 1),
+		BPF_MOV64_IMM(BPF_REG_0, 1),
+		BPF_EXIT_INSN(),
+	};
+	__u8 data[64] = {};
+	int mfd, pfd, ret, zero = 0;
+	LIBBPF_OPTS(bpf_test_run_opts, topts,
+		.data_in = data,
+		.data_size_in = sizeof(data),
+		.repeat = 1,
+	);
+
+	mfd = bpf_map_create(BPF_MAP_TYPE_ARRAY, NULL, sizeof(int), sizeof(__u64), 1, NULL);
+	if (mfd < 0)
+		return -1;
+
+	insns[0].imm = mfd;
+
+	pfd = bpf_prog_load(BPF_PROG_TYPE_SCHED_CLS, NULL, "GPL", insns, ARRAY_SIZE(insns), NULL);
+	if (pfd < 0) {
+		close(mfd);
+		return -1;
+	}
+
+	ret = bpf_prog_test_run_opts(pfd, &topts);
+	if (ret < 0 || topts.retval != 42) {
+		ret = -1;
+	} else {
+		assert(!bpf_map_lookup_elem(mfd, &zero, value));
+		ret = 0;
+	}
+	close(pfd);
+	close(mfd);
+	return ret;
+}
+
+static int map_subset(int map0, int map1)
+{
+	unsigned long long next_key = 0;
+	unsigned long long value0[nr_cpus], value1[nr_cpus];
+	int ret;
+
+	while (!bpf_map_get_next_key(map1, &next_key, &next_key)) {
+		assert(!bpf_map_lookup_elem(map1, &next_key, value1));
+		ret = bpf_map_lookup_elem(map0, &next_key, value0);
+		if (ret) {
+			printf("key:%llu not found from map. %s(%d)\n",
+			       next_key, strerror(errno), errno);
+			return 0;
+		}
+		if (value0[0] != value1[0]) {
+			printf("key:%llu value0:%llu != value1:%llu\n",
+			       next_key, value0[0], value1[0]);
+			return 0;
+		}
+	}
+	return 1;
+}
+
+static int map_equal(int lru_map, int expected)
+{
+	return map_subset(lru_map, expected) && map_subset(expected, lru_map);
+}
+
+static int sched_next_online(int pid, int *next_to_try)
+{
+	cpu_set_t cpuset;
+	int next = *next_to_try;
+	int ret = -1;
+
+	while (next < nr_cpus) {
+		CPU_ZERO(&cpuset);
+		CPU_SET(next++, &cpuset);
+		if (!sched_setaffinity(pid, sizeof(cpuset), &cpuset)) {
+			ret = 0;
+			break;
+		}
+	}
+
+	*next_to_try = next;
+	return ret;
+}
+
+/* Size of the LRU map is 2
+ * Add key=1 (+1 key)
+ * Add key=2 (+1 key)
+ * Lookup Key=1
+ * Add Key=3
+ *   => Key=2 will be removed by LRU
+ * Iterate map.  Only found key=1 and key=3
+ */
+static void test_lru_sanity0(int map_type, int map_flags)
+{
+	unsigned long long key, value[nr_cpus];
+	int lru_map_fd, expected_map_fd;
+	int next_cpu = 0;
+
+	printf("%s (map_type:%d map_flags:0x%X): ", __func__, map_type,
+	       map_flags);
+
+	assert(sched_next_online(0, &next_cpu) != -1);
+
+	if (map_flags & BPF_F_NO_COMMON_LRU)
+		lru_map_fd = create_map(map_type, map_flags, 2 * nr_cpus);
+	else
+		lru_map_fd = create_map(map_type, map_flags, 2);
+	assert(lru_map_fd != -1);
+
+	expected_map_fd = create_map(BPF_MAP_TYPE_HASH, 0, 2);
+	assert(expected_map_fd != -1);
+
+	value[0] = 1234;
+
+	/* insert key=1 element */
+
+	key = 1;
+	assert(!bpf_map_update_elem(lru_map_fd, &key, value, BPF_NOEXIST));
+	assert(!bpf_map_update_elem(expected_map_fd, &key, value,
+				    BPF_NOEXIST));
+
+	/* BPF_NOEXIST means: add new element if it doesn't exist */
+	assert(bpf_map_update_elem(lru_map_fd, &key, value, BPF_NOEXIST) == -EEXIST);
+	/* key=1 already exists */
+
+	assert(bpf_map_update_elem(lru_map_fd, &key, value, -1) == -EINVAL);
+
+	/* insert key=2 element */
+
+	/* check that key=2 is not found */
+	key = 2;
+	assert(bpf_map_lookup_elem(lru_map_fd, &key, value) == -ENOENT);
+
+	/* BPF_EXIST means: update existing element */
+	assert(bpf_map_update_elem(lru_map_fd, &key, value, BPF_EXIST) == -ENOENT);
+	/* key=2 is not there */
+
+	assert(!bpf_map_update_elem(lru_map_fd, &key, value, BPF_NOEXIST));
+
+	/* insert key=3 element */
+
+	/* check that key=3 is not found */
+	key = 3;
+	assert(bpf_map_lookup_elem(lru_map_fd, &key, value) == -ENOENT);
+
+	/* check that key=1 can be found and mark the ref bit to
+	 * stop LRU from removing key=1
+	 */
+	key = 1;
+	assert(!bpf_map_lookup_elem_with_ref_bit(lru_map_fd, key, value));
+	assert(value[0] == 1234);
+
+	key = 3;
+	assert(!bpf_map_update_elem(lru_map_fd, &key, value, BPF_NOEXIST));
+	assert(!bpf_map_update_elem(expected_map_fd, &key, value,
+				    BPF_NOEXIST));
+
+	/* key=2 has been removed from the LRU */
+	key = 2;
+	assert(bpf_map_lookup_elem(lru_map_fd, &key, value) == -ENOENT);
+
+	/* lookup elem key=1 and delete it, then check it doesn't exist */
+	key = 1;
+	assert(!bpf_map_lookup_and_delete_elem(lru_map_fd, &key, &value));
+	assert(value[0] == 1234);
+
+	/* remove the same element from the expected map */
+	assert(!bpf_map_delete_elem(expected_map_fd, &key));
+
+	assert(map_equal(lru_map_fd, expected_map_fd));
+
+	close(expected_map_fd);
+	close(lru_map_fd);
+
+	printf("Pass\n");
+}
+
+/* Size of the LRU map is 1.5*tgt_free
+ * Insert 1 to tgt_free (+tgt_free keys)
+ * Lookup 1 to tgt_free/2
+ * Insert 1+tgt_free to 2*tgt_free (+tgt_free keys)
+ * => 1+tgt_free/2 to LOCALFREE_TARGET will be removed by LRU
+ */
+static void test_lru_sanity1(int map_type, int map_flags, unsigned int tgt_free)
+{
+	unsigned long long key, end_key, value[nr_cpus];
+	int lru_map_fd, expected_map_fd;
+	unsigned int batch_size;
+	unsigned int map_size;
+	int next_cpu = 0;
+
+	if (map_flags & BPF_F_NO_COMMON_LRU)
+		/* This test is only applicable to common LRU list */
+		return;
+
+	printf("%s (map_type:%d map_flags:0x%X): ", __func__, map_type,
+	       map_flags);
+
+	assert(sched_next_online(0, &next_cpu) != -1);
+
+	batch_size = tgt_free / 2;
+	assert(batch_size * 2 == tgt_free);
+
+	map_size = tgt_free + batch_size;
+	lru_map_fd = create_map(map_type, map_flags, map_size);
+	assert(lru_map_fd != -1);
+
+	expected_map_fd = create_map(BPF_MAP_TYPE_HASH, 0, map_size);
+	assert(expected_map_fd != -1);
+
+	value[0] = 1234;
+
+	/* Insert 1 to tgt_free (+tgt_free keys) */
+	end_key = 1 + tgt_free;
+	for (key = 1; key < end_key; key++)
+		assert(!bpf_map_update_elem(lru_map_fd, &key, value,
+					    BPF_NOEXIST));
+
+	/* Lookup 1 to tgt_free/2 */
+	end_key = 1 + batch_size;
+	for (key = 1; key < end_key; key++) {
+		assert(!bpf_map_lookup_elem_with_ref_bit(lru_map_fd, key, value));
+		assert(!bpf_map_update_elem(expected_map_fd, &key, value,
+					    BPF_NOEXIST));
+	}
+
+	/* Insert 1+tgt_free to 2*tgt_free
+	 * => 1+tgt_free/2 to LOCALFREE_TARGET will be
+	 * removed by LRU
+	 */
+	key = 1 + tgt_free;
+	end_key = key + tgt_free;
+	for (; key < end_key; key++) {
+		assert(!bpf_map_update_elem(lru_map_fd, &key, value,
+					    BPF_NOEXIST));
+		assert(!bpf_map_update_elem(expected_map_fd, &key, value,
+					    BPF_NOEXIST));
+	}
+
+	assert(map_equal(lru_map_fd, expected_map_fd));
+
+	close(expected_map_fd);
+	close(lru_map_fd);
+
+	printf("Pass\n");
+}
+
+/* Size of the LRU map 1.5 * tgt_free
+ * Insert 1 to tgt_free (+tgt_free keys)
+ * Update 1 to tgt_free/2
+ *   => The original 1 to tgt_free/2 will be removed due to
+ *      the LRU shrink process
+ * Re-insert 1 to tgt_free/2 again and do a lookup immeidately
+ * Insert 1+tgt_free to tgt_free*3/2
+ * Insert 1+tgt_free*3/2 to tgt_free*5/2
+ *   => Key 1+tgt_free to tgt_free*3/2
+ *      will be removed from LRU because it has never
+ *      been lookup and ref bit is not set
+ */
+static void test_lru_sanity2(int map_type, int map_flags, unsigned int tgt_free)
+{
+	unsigned long long key, value[nr_cpus];
+	unsigned long long end_key;
+	int lru_map_fd, expected_map_fd;
+	unsigned int batch_size;
+	unsigned int map_size;
+	int next_cpu = 0;
+
+	if (map_flags & BPF_F_NO_COMMON_LRU)
+		/* This test is only applicable to common LRU list */
+		return;
+
+	printf("%s (map_type:%d map_flags:0x%X): ", __func__, map_type,
+	       map_flags);
+
+	assert(sched_next_online(0, &next_cpu) != -1);
+
+	batch_size = tgt_free / 2;
+	assert(batch_size * 2 == tgt_free);
+
+	map_size = tgt_free + batch_size;
+	lru_map_fd = create_map(map_type, map_flags, map_size);
+	assert(lru_map_fd != -1);
+
+	expected_map_fd = create_map(BPF_MAP_TYPE_HASH, 0, map_size);
+	assert(expected_map_fd != -1);
+
+	value[0] = 1234;
+
+	/* Insert 1 to tgt_free (+tgt_free keys) */
+	end_key = 1 + tgt_free;
+	for (key = 1; key < end_key; key++)
+		assert(!bpf_map_update_elem(lru_map_fd, &key, value,
+					    BPF_NOEXIST));
+
+	/* Any bpf_map_update_elem will require to acquire a new node
+	 * from LRU first.
+	 *
+	 * The local list is running out of free nodes.
+	 * It gets from the global LRU list which tries to
+	 * shrink the inactive list to get tgt_free
+	 * number of free nodes.
+	 *
+	 * Hence, the oldest key 1 to tgt_free/2
+	 * are removed from the LRU list.
+	 */
+	key = 1;
+	if (map_type == BPF_MAP_TYPE_LRU_PERCPU_HASH) {
+		assert(!bpf_map_update_elem(lru_map_fd, &key, value,
+					    BPF_NOEXIST));
+		assert(!bpf_map_delete_elem(lru_map_fd, &key));
+	} else {
+		assert(bpf_map_update_elem(lru_map_fd, &key, value,
+					   BPF_EXIST));
+	}
+
+	/* Re-insert 1 to tgt_free/2 again and do a lookup
+	 * immeidately.
+	 */
+	end_key = 1 + batch_size;
+	value[0] = 4321;
+	for (key = 1; key < end_key; key++) {
+		assert(bpf_map_lookup_elem(lru_map_fd, &key, value) == -ENOENT);
+		assert(!bpf_map_update_elem(lru_map_fd, &key, value,
+					    BPF_NOEXIST));
+		assert(!bpf_map_lookup_elem_with_ref_bit(lru_map_fd, key, value));
+		assert(value[0] == 4321);
+		assert(!bpf_map_update_elem(expected_map_fd, &key, value,
+					    BPF_NOEXIST));
+	}
+
+	value[0] = 1234;
+
+	/* Insert 1+tgt_free to tgt_free*3/2 */
+	end_key = 1 + tgt_free + batch_size;
+	for (key = 1 + tgt_free; key < end_key; key++)
+		/* These newly added but not referenced keys will be
+		 * gone during the next LRU shrink.
+		 */
+		assert(!bpf_map_update_elem(lru_map_fd, &key, value,
+					    BPF_NOEXIST));
+
+	/* Insert 1+tgt_free*3/2 to  tgt_free*5/2 */
+	end_key = key + tgt_free;
+	for (; key < end_key; key++) {
+		assert(!bpf_map_update_elem(lru_map_fd, &key, value,
+					    BPF_NOEXIST));
+		assert(!bpf_map_update_elem(expected_map_fd, &key, value,
+					    BPF_NOEXIST));
+	}
+
+	assert(map_equal(lru_map_fd, expected_map_fd));
+
+	close(expected_map_fd);
+	close(lru_map_fd);
+
+	printf("Pass\n");
+}
+
+/* Size of the LRU map is 2*tgt_free
+ * It is to test the active/inactive list rotation
+ * Insert 1 to 2*tgt_free (+2*tgt_free keys)
+ * Lookup key 1 to tgt_free*3/2
+ * Add 1+2*tgt_free to tgt_free*5/2 (+tgt_free/2 keys)
+ *  => key 1+tgt_free*3/2 to 2*tgt_free are removed from LRU
+ */
+static void test_lru_sanity3(int map_type, int map_flags, unsigned int tgt_free)
+{
+	unsigned long long key, end_key, value[nr_cpus];
+	int lru_map_fd, expected_map_fd;
+	unsigned int batch_size;
+	unsigned int map_size;
+	int next_cpu = 0;
+
+	if (map_flags & BPF_F_NO_COMMON_LRU)
+		/* This test is only applicable to common LRU list */
+		return;
+
+	printf("%s (map_type:%d map_flags:0x%X): ", __func__, map_type,
+	       map_flags);
+
+	assert(sched_next_online(0, &next_cpu) != -1);
+
+	batch_size = tgt_free / 2;
+	assert(batch_size * 2 == tgt_free);
+
+	map_size = tgt_free * 2;
+	lru_map_fd = create_map(map_type, map_flags, map_size);
+	assert(lru_map_fd != -1);
+
+	expected_map_fd = create_map(BPF_MAP_TYPE_HASH, 0, map_size);
+	assert(expected_map_fd != -1);
+
+	value[0] = 1234;
+
+	/* Insert 1 to 2*tgt_free (+2*tgt_free keys) */
+	end_key = 1 + (2 * tgt_free);
+	for (key = 1; key < end_key; key++)
+		assert(!bpf_map_update_elem(lru_map_fd, &key, value,
+					    BPF_NOEXIST));
+
+	/* Lookup key 1 to tgt_free*3/2 */
+	end_key = tgt_free + batch_size;
+	for (key = 1; key < end_key; key++) {
+		assert(!bpf_map_lookup_elem_with_ref_bit(lru_map_fd, key, value));
+		assert(!bpf_map_update_elem(expected_map_fd, &key, value,
+					    BPF_NOEXIST));
+	}
+
+	/* Add 1+2*tgt_free to tgt_free*5/2
+	 * (+tgt_free/2 keys)
+	 */
+	key = 2 * tgt_free + 1;
+	end_key = key + batch_size;
+	for (; key < end_key; key++) {
+		assert(!bpf_map_update_elem(lru_map_fd, &key, value,
+					    BPF_NOEXIST));
+		assert(!bpf_map_update_elem(expected_map_fd, &key, value,
+					    BPF_NOEXIST));
+	}
+
+	assert(map_equal(lru_map_fd, expected_map_fd));
+
+	close(expected_map_fd);
+	close(lru_map_fd);
+
+	printf("Pass\n");
+}
+
+/* Test deletion */
+static void test_lru_sanity4(int map_type, int map_flags, unsigned int tgt_free)
+{
+	int lru_map_fd, expected_map_fd;
+	unsigned long long key, value[nr_cpus];
+	unsigned long long end_key;
+	int next_cpu = 0;
+
+	printf("%s (map_type:%d map_flags:0x%X): ", __func__, map_type,
+	       map_flags);
+
+	assert(sched_next_online(0, &next_cpu) != -1);
+
+	if (map_flags & BPF_F_NO_COMMON_LRU)
+		lru_map_fd = create_map(map_type, map_flags,
+					3 * tgt_free * nr_cpus);
+	else
+		lru_map_fd = create_map(map_type, map_flags, 3 * tgt_free);
+	assert(lru_map_fd != -1);
+
+	expected_map_fd = create_map(BPF_MAP_TYPE_HASH, 0,
+				     3 * tgt_free);
+	assert(expected_map_fd != -1);
+
+	value[0] = 1234;
+
+	for (key = 1; key <= 2 * tgt_free; key++)
+		assert(!bpf_map_update_elem(lru_map_fd, &key, value,
+					    BPF_NOEXIST));
+
+	key = 1;
+	assert(bpf_map_update_elem(lru_map_fd, &key, value, BPF_NOEXIST));
+
+	for (key = 1; key <= tgt_free; key++) {
+		assert(!bpf_map_lookup_elem_with_ref_bit(lru_map_fd, key, value));
+		assert(!bpf_map_update_elem(expected_map_fd, &key, value,
+					    BPF_NOEXIST));
+	}
+
+	for (; key <= 2 * tgt_free; key++) {
+		assert(!bpf_map_delete_elem(lru_map_fd, &key));
+		assert(bpf_map_delete_elem(lru_map_fd, &key));
+	}
+
+	end_key = key + 2 * tgt_free;
+	for (; key < end_key; key++) {
+		assert(!bpf_map_update_elem(lru_map_fd, &key, value,
+					    BPF_NOEXIST));
+		assert(!bpf_map_update_elem(expected_map_fd, &key, value,
+					    BPF_NOEXIST));
+	}
+
+	assert(map_equal(lru_map_fd, expected_map_fd));
+
+	close(expected_map_fd);
+	close(lru_map_fd);
+
+	printf("Pass\n");
+}
+
+static void do_test_lru_sanity5(unsigned long long last_key, int map_fd)
+{
+	unsigned long long key, value[nr_cpus];
+
+	/* Ensure the last key inserted by previous CPU can be found */
+	assert(!bpf_map_lookup_elem_with_ref_bit(map_fd, last_key, value));
+	value[0] = 1234;
+
+	key = last_key + 1;
+	assert(!bpf_map_update_elem(map_fd, &key, value, BPF_NOEXIST));
+	assert(!bpf_map_lookup_elem_with_ref_bit(map_fd, key, value));
+
+	/* Cannot find the last key because it was removed by LRU */
+	assert(bpf_map_lookup_elem(map_fd, &last_key, value) == -ENOENT);
+}
+
+/* Test map with only one element */
+static void test_lru_sanity5(int map_type, int map_flags)
+{
+	unsigned long long key, value[nr_cpus];
+	int next_cpu = 0;
+	int map_fd;
+
+	if (map_flags & BPF_F_NO_COMMON_LRU)
+		return;
+
+	printf("%s (map_type:%d map_flags:0x%X): ", __func__, map_type,
+	       map_flags);
+
+	map_fd = create_map(map_type, map_flags, 1);
+	assert(map_fd != -1);
+
+	value[0] = 1234;
+	key = 0;
+	assert(!bpf_map_update_elem(map_fd, &key, value, BPF_NOEXIST));
+
+	while (sched_next_online(0, &next_cpu) != -1) {
+		pid_t pid;
+
+		pid = fork();
+		if (pid == 0) {
+			do_test_lru_sanity5(key, map_fd);
+			exit(0);
+		} else if (pid == -1) {
+			printf("couldn't spawn process to test key:%llu\n",
+			       key);
+			exit(1);
+		} else {
+			int status;
+
+			assert(waitpid(pid, &status, 0) == pid);
+			assert(status == 0);
+			key++;
+		}
+	}
+
+	close(map_fd);
+	/* At least one key should be tested */
+	assert(key > 0);
+
+	printf("Pass\n");
+}
+
+/* Test list rotation for BPF_F_NO_COMMON_LRU map */
+static void test_lru_sanity6(int map_type, int map_flags, int tgt_free)
+{
+	int lru_map_fd, expected_map_fd;
+	unsigned long long key, value[nr_cpus];
+	unsigned int map_size = tgt_free * 2;
+	int next_cpu = 0;
+
+	if (!(map_flags & BPF_F_NO_COMMON_LRU))
+		return;
+
+	printf("%s (map_type:%d map_flags:0x%X): ", __func__, map_type,
+	       map_flags);
+
+	assert(sched_next_online(0, &next_cpu) != -1);
+
+	expected_map_fd = create_map(BPF_MAP_TYPE_HASH, 0, map_size);
+	assert(expected_map_fd != -1);
+
+	lru_map_fd = create_map(map_type, map_flags, map_size * nr_cpus);
+	assert(lru_map_fd != -1);
+
+	value[0] = 1234;
+
+	for (key = 1; key <= tgt_free; key++) {
+		assert(!bpf_map_update_elem(lru_map_fd, &key, value,
+					    BPF_NOEXIST));
+		assert(!bpf_map_update_elem(expected_map_fd, &key, value,
+					    BPF_NOEXIST));
+	}
+
+	for (; key <= tgt_free * 2; key++) {
+		unsigned long long stable_key;
+
+		/* Make ref bit sticky for key: [1, tgt_free] */
+		for (stable_key = 1; stable_key <= tgt_free; stable_key++) {
+			/* Mark the ref bit */
+			assert(!bpf_map_lookup_elem_with_ref_bit(lru_map_fd,
+								 stable_key, value));
+		}
+		assert(!bpf_map_update_elem(lru_map_fd, &key, value,
+					    BPF_NOEXIST));
+	}
+
+	for (; key <= tgt_free * 3; key++) {
+		assert(!bpf_map_update_elem(lru_map_fd, &key, value,
+					    BPF_NOEXIST));
+		assert(!bpf_map_update_elem(expected_map_fd, &key, value,
+					    BPF_NOEXIST));
+	}
+
+	assert(map_equal(lru_map_fd, expected_map_fd));
+
+	close(expected_map_fd);
+	close(lru_map_fd);
+
+	printf("Pass\n");
+}
+
+/* Size of the LRU map is 2
+ * Add key=1 (+1 key)
+ * Add key=2 (+1 key)
+ * Lookup Key=1 (datapath)
+ * Lookup Key=2 (syscall)
+ * Add Key=3
+ *   => Key=2 will be removed by LRU
+ * Iterate map.  Only found key=1 and key=3
+ */
+static void test_lru_sanity7(int map_type, int map_flags)
+{
+	unsigned long long key, value[nr_cpus];
+	int lru_map_fd, expected_map_fd;
+	int next_cpu = 0;
+
+	printf("%s (map_type:%d map_flags:0x%X): ", __func__, map_type,
+	       map_flags);
+
+	assert(sched_next_online(0, &next_cpu) != -1);
+
+	if (map_flags & BPF_F_NO_COMMON_LRU)
+		lru_map_fd = create_map(map_type, map_flags, 2 * nr_cpus);
+	else
+		lru_map_fd = create_map(map_type, map_flags, 2);
+	assert(lru_map_fd != -1);
+
+	expected_map_fd = create_map(BPF_MAP_TYPE_HASH, 0, 2);
+	assert(expected_map_fd != -1);
+
+	value[0] = 1234;
+
+	/* insert key=1 element */
+
+	key = 1;
+	assert(!bpf_map_update_elem(lru_map_fd, &key, value, BPF_NOEXIST));
+	assert(!bpf_map_update_elem(expected_map_fd, &key, value,
+				    BPF_NOEXIST));
+
+	/* BPF_NOEXIST means: add new element if it doesn't exist */
+	assert(bpf_map_update_elem(lru_map_fd, &key, value, BPF_NOEXIST) == -EEXIST);
+	/* key=1 already exists */
+
+	/* insert key=2 element */
+
+	/* check that key=2 is not found */
+	key = 2;
+	assert(bpf_map_lookup_elem(lru_map_fd, &key, value) == -ENOENT);
+
+	/* BPF_EXIST means: update existing element */
+	assert(bpf_map_update_elem(lru_map_fd, &key, value, BPF_EXIST) == -ENOENT);
+	/* key=2 is not there */
+
+	assert(!bpf_map_update_elem(lru_map_fd, &key, value, BPF_NOEXIST));
+
+	/* insert key=3 element */
+
+	/* check that key=3 is not found */
+	key = 3;
+	assert(bpf_map_lookup_elem(lru_map_fd, &key, value) == -ENOENT);
+
+	/* check that key=1 can be found and mark the ref bit to
+	 * stop LRU from removing key=1
+	 */
+	key = 1;
+	assert(!bpf_map_lookup_elem_with_ref_bit(lru_map_fd, key, value));
+	assert(value[0] == 1234);
+
+	/* check that key=2 can be found and do _not_ mark ref bit.
+	 * this will be evicted on next update.
+	 */
+	key = 2;
+	assert(!bpf_map_lookup_elem(lru_map_fd, &key, value));
+	assert(value[0] == 1234);
+
+	key = 3;
+	assert(!bpf_map_update_elem(lru_map_fd, &key, value, BPF_NOEXIST));
+	assert(!bpf_map_update_elem(expected_map_fd, &key, value,
+				    BPF_NOEXIST));
+
+	/* key=2 has been removed from the LRU */
+	key = 2;
+	assert(bpf_map_lookup_elem(lru_map_fd, &key, value) == -ENOENT);
+
+	assert(map_equal(lru_map_fd, expected_map_fd));
+
+	close(expected_map_fd);
+	close(lru_map_fd);
+
+	printf("Pass\n");
+}
+
+/* Size of the LRU map is 2
+ * Add key=1 (+1 key)
+ * Add key=2 (+1 key)
+ * Lookup Key=1 (syscall)
+ * Lookup Key=2 (datapath)
+ * Add Key=3
+ *   => Key=1 will be removed by LRU
+ * Iterate map.  Only found key=2 and key=3
+ */
+static void test_lru_sanity8(int map_type, int map_flags)
+{
+	unsigned long long key, value[nr_cpus];
+	int lru_map_fd, expected_map_fd;
+	int next_cpu = 0;
+
+	printf("%s (map_type:%d map_flags:0x%X): ", __func__, map_type,
+	       map_flags);
+
+	assert(sched_next_online(0, &next_cpu) != -1);
+
+	if (map_flags & BPF_F_NO_COMMON_LRU)
+		lru_map_fd = create_map(map_type, map_flags, 2 * nr_cpus);
+	else
+		lru_map_fd = create_map(map_type, map_flags, 2);
+	assert(lru_map_fd != -1);
+
+	expected_map_fd = create_map(BPF_MAP_TYPE_HASH, 0, 2);
+	assert(expected_map_fd != -1);
+
+	value[0] = 1234;
+
+	/* insert key=1 element */
+
+	key = 1;
+	assert(!bpf_map_update_elem(lru_map_fd, &key, value, BPF_NOEXIST));
+
+	/* BPF_NOEXIST means: add new element if it doesn't exist */
+	assert(bpf_map_update_elem(lru_map_fd, &key, value, BPF_NOEXIST) == -EEXIST);
+	/* key=1 already exists */
+
+	/* insert key=2 element */
+
+	/* check that key=2 is not found */
+	key = 2;
+	assert(bpf_map_lookup_elem(lru_map_fd, &key, value) == -ENOENT);
+
+	/* BPF_EXIST means: update existing element */
+	assert(bpf_map_update_elem(lru_map_fd, &key, value, BPF_EXIST) == -ENOENT);
+	/* key=2 is not there */
+
+	assert(!bpf_map_update_elem(lru_map_fd, &key, value, BPF_NOEXIST));
+	assert(!bpf_map_update_elem(expected_map_fd, &key, value,
+				    BPF_NOEXIST));
+
+	/* insert key=3 element */
+
+	/* check that key=3 is not found */
+	key = 3;
+	assert(bpf_map_lookup_elem(lru_map_fd, &key, value) == -ENOENT);
+
+	/* check that key=1 can be found and do _not_ mark ref bit.
+	 * this will be evicted on next update.
+	 */
+	key = 1;
+	assert(!bpf_map_lookup_elem(lru_map_fd, &key, value));
+	assert(value[0] == 1234);
+
+	/* check that key=2 can be found and mark the ref bit to
+	 * stop LRU from removing key=2
+	 */
+	key = 2;
+	assert(!bpf_map_lookup_elem_with_ref_bit(lru_map_fd, key, value));
+	assert(value[0] == 1234);
+
+	key = 3;
+	assert(!bpf_map_update_elem(lru_map_fd, &key, value, BPF_NOEXIST));
+	assert(!bpf_map_update_elem(expected_map_fd, &key, value,
+				    BPF_NOEXIST));
+
+	/* key=1 has been removed from the LRU */
+	key = 1;
+	assert(bpf_map_lookup_elem(lru_map_fd, &key, value) == -ENOENT);
+
+	assert(map_equal(lru_map_fd, expected_map_fd));
+
+	close(expected_map_fd);
+	close(lru_map_fd);
+
+	printf("Pass\n");
+}
+
+int main(int argc, char **argv)
+{
+	int map_types[] = {BPF_MAP_TYPE_LRU_HASH,
+			     BPF_MAP_TYPE_LRU_PERCPU_HASH};
+	int map_flags[] = {0, BPF_F_NO_COMMON_LRU};
+	int t, f;
+
+	setbuf(stdout, NULL);
+
+	nr_cpus = bpf_num_possible_cpus();
+	assert(nr_cpus != -1);
+	printf("nr_cpus:%d\n\n", nr_cpus);
+
+	/* Use libbpf 1.0 API mode */
+	libbpf_set_strict_mode(LIBBPF_STRICT_ALL);
+
+	for (f = 0; f < ARRAY_SIZE(map_flags); f++) {
+		unsigned int tgt_free = (map_flags[f] & BPF_F_NO_COMMON_LRU) ?
+			PERCPU_FREE_TARGET : LOCAL_FREE_TARGET;
+
+		for (t = 0; t < ARRAY_SIZE(map_types); t++) {
+			test_lru_sanity0(map_types[t], map_flags[f]);
+			test_lru_sanity1(map_types[t], map_flags[f], tgt_free);
+			test_lru_sanity2(map_types[t], map_flags[f], tgt_free);
+			test_lru_sanity3(map_types[t], map_flags[f], tgt_free);
+			test_lru_sanity4(map_types[t], map_flags[f], tgt_free);
+			test_lru_sanity5(map_types[t], map_flags[f]);
+			test_lru_sanity6(map_types[t], map_flags[f], tgt_free);
+			test_lru_sanity7(map_types[t], map_flags[f]);
+			test_lru_sanity8(map_types[t], map_flags[f]);
+
+			printf("\n");
+		}
+	}
+
+	return 0;
+}
diff --git a/tools/testing/selftests/bpf/test_lwt_ip_encap.sh b/tools/testing/selftests/bpf/test_lwt_ip_encap.sh
new file mode 100755
index 000000000..1e565f47a
--- /dev/null
+++ b/tools/testing/selftests/bpf/test_lwt_ip_encap.sh
@@ -0,0 +1,476 @@
+#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
+#
+# Setup/topology:
+#
+#    NS1             NS2             NS3
+#   veth1 <---> veth2   veth3 <---> veth4 (the top route)
+#   veth5 <---> veth6   veth7 <---> veth8 (the bottom route)
+#
+#   each vethN gets IPv[4|6]_N address
+#
+#   IPv*_SRC = IPv*_1
+#   IPv*_DST = IPv*_4
+#
+#   all tests test pings from IPv*_SRC to IPv*_DST
+#
+#   by default, routes are configured to allow packets to go
+#   IP*_1 <=> IP*_2 <=> IP*_3 <=> IP*_4 (the top route)
+#
+#   a GRE device is installed in NS3 with IPv*_GRE, and
+#   NS1/NS2 are configured to route packets to IPv*_GRE via IP*_8
+#   (the bottom route)
+#
+# Tests:
+#
+#   1. routes NS2->IPv*_DST are brought down, so the only way a ping
+#      from IP*_SRC to IP*_DST can work is via IPv*_GRE
+#
+#   2a. in an egress test, a bpf LWT_XMIT program is installed on veth1
+#       that encaps the packets with an IP/GRE header to route to IPv*_GRE
+#
+#       ping: SRC->[encap at veth1:egress]->GRE:decap->DST
+#       ping replies go DST->SRC directly
+#
+#   2b. in an ingress test, a bpf LWT_IN program is installed on veth2
+#       that encaps the packets with an IP/GRE header to route to IPv*_GRE
+#
+#       ping: SRC->[encap at veth2:ingress]->GRE:decap->DST
+#       ping replies go DST->SRC directly
+
+BPF_FILE="test_lwt_ip_encap.bpf.o"
+if [[ $EUID -ne 0 ]]; then
+	echo "This script must be run as root"
+	echo "FAIL"
+	exit 1
+fi
+
+readonly NS1="ns1-$(mktemp -u XXXXXX)"
+readonly NS2="ns2-$(mktemp -u XXXXXX)"
+readonly NS3="ns3-$(mktemp -u XXXXXX)"
+
+readonly IPv4_1="172.16.1.100"
+readonly IPv4_2="172.16.2.100"
+readonly IPv4_3="172.16.3.100"
+readonly IPv4_4="172.16.4.100"
+readonly IPv4_5="172.16.5.100"
+readonly IPv4_6="172.16.6.100"
+readonly IPv4_7="172.16.7.100"
+readonly IPv4_8="172.16.8.100"
+readonly IPv4_GRE="172.16.16.100"
+
+readonly IPv4_SRC=$IPv4_1
+readonly IPv4_DST=$IPv4_4
+
+readonly IPv6_1="fb01::1"
+readonly IPv6_2="fb02::1"
+readonly IPv6_3="fb03::1"
+readonly IPv6_4="fb04::1"
+readonly IPv6_5="fb05::1"
+readonly IPv6_6="fb06::1"
+readonly IPv6_7="fb07::1"
+readonly IPv6_8="fb08::1"
+readonly IPv6_GRE="fb10::1"
+
+readonly IPv6_SRC=$IPv6_1
+readonly IPv6_DST=$IPv6_4
+
+TEST_STATUS=0
+TESTS_SUCCEEDED=0
+TESTS_FAILED=0
+
+TMPFILE=""
+
+process_test_results()
+{
+	if [[ "${TEST_STATUS}" -eq 0 ]] ; then
+		echo "PASS"
+		TESTS_SUCCEEDED=$((TESTS_SUCCEEDED+1))
+	else
+		echo "FAIL"
+		TESTS_FAILED=$((TESTS_FAILED+1))
+	fi
+}
+
+print_test_summary_and_exit()
+{
+	echo "passed tests: ${TESTS_SUCCEEDED}"
+	echo "failed tests: ${TESTS_FAILED}"
+	if [ "${TESTS_FAILED}" -eq "0" ] ; then
+		exit 0
+	else
+		exit 1
+	fi
+}
+
+setup()
+{
+	set -e  # exit on error
+	TEST_STATUS=0
+
+	# create devices and namespaces
+	ip netns add "${NS1}"
+	ip netns add "${NS2}"
+	ip netns add "${NS3}"
+
+	# rp_filter gets confused by what these tests are doing, so disable it
+	ip netns exec ${NS1} sysctl -wq net.ipv4.conf.all.rp_filter=0
+	ip netns exec ${NS2} sysctl -wq net.ipv4.conf.all.rp_filter=0
+	ip netns exec ${NS3} sysctl -wq net.ipv4.conf.all.rp_filter=0
+	ip netns exec ${NS1} sysctl -wq net.ipv4.conf.default.rp_filter=0
+	ip netns exec ${NS2} sysctl -wq net.ipv4.conf.default.rp_filter=0
+	ip netns exec ${NS3} sysctl -wq net.ipv4.conf.default.rp_filter=0
+
+	# disable IPv6 DAD because it sometimes takes too long and fails tests
+	ip netns exec ${NS1} sysctl -wq net.ipv6.conf.all.accept_dad=0
+	ip netns exec ${NS2} sysctl -wq net.ipv6.conf.all.accept_dad=0
+	ip netns exec ${NS3} sysctl -wq net.ipv6.conf.all.accept_dad=0
+	ip netns exec ${NS1} sysctl -wq net.ipv6.conf.default.accept_dad=0
+	ip netns exec ${NS2} sysctl -wq net.ipv6.conf.default.accept_dad=0
+	ip netns exec ${NS3} sysctl -wq net.ipv6.conf.default.accept_dad=0
+
+	ip link add veth1 type veth peer name veth2
+	ip link add veth3 type veth peer name veth4
+	ip link add veth5 type veth peer name veth6
+	ip link add veth7 type veth peer name veth8
+
+	ip netns exec ${NS2} sysctl -wq net.ipv4.ip_forward=1
+	ip netns exec ${NS2} sysctl -wq net.ipv6.conf.all.forwarding=1
+
+	ip link set veth1 netns ${NS1}
+	ip link set veth2 netns ${NS2}
+	ip link set veth3 netns ${NS2}
+	ip link set veth4 netns ${NS3}
+	ip link set veth5 netns ${NS1}
+	ip link set veth6 netns ${NS2}
+	ip link set veth7 netns ${NS2}
+	ip link set veth8 netns ${NS3}
+
+	if [ ! -z "${VRF}" ] ; then
+		ip -netns ${NS1} link add red type vrf table 1001
+		ip -netns ${NS1} link set red up
+		ip -netns ${NS1} route add table 1001 unreachable default metric 8192
+		ip -netns ${NS1} -6 route add table 1001 unreachable default metric 8192
+		ip -netns ${NS1} link set veth1 vrf red
+		ip -netns ${NS1} link set veth5 vrf red
+
+		ip -netns ${NS2} link add red type vrf table 1001
+		ip -netns ${NS2} link set red up
+		ip -netns ${NS2} route add table 1001 unreachable default metric 8192
+		ip -netns ${NS2} -6 route add table 1001 unreachable default metric 8192
+		ip -netns ${NS2} link set veth2 vrf red
+		ip -netns ${NS2} link set veth3 vrf red
+		ip -netns ${NS2} link set veth6 vrf red
+		ip -netns ${NS2} link set veth7 vrf red
+	fi
+
+	# configure addesses: the top route (1-2-3-4)
+	ip -netns ${NS1}    addr add ${IPv4_1}/24  dev veth1
+	ip -netns ${NS2}    addr add ${IPv4_2}/24  dev veth2
+	ip -netns ${NS2}    addr add ${IPv4_3}/24  dev veth3
+	ip -netns ${NS3}    addr add ${IPv4_4}/24  dev veth4
+	ip -netns ${NS1} -6 addr add ${IPv6_1}/128 nodad dev veth1
+	ip -netns ${NS2} -6 addr add ${IPv6_2}/128 nodad dev veth2
+	ip -netns ${NS2} -6 addr add ${IPv6_3}/128 nodad dev veth3
+	ip -netns ${NS3} -6 addr add ${IPv6_4}/128 nodad dev veth4
+
+	# configure addresses: the bottom route (5-6-7-8)
+	ip -netns ${NS1}    addr add ${IPv4_5}/24  dev veth5
+	ip -netns ${NS2}    addr add ${IPv4_6}/24  dev veth6
+	ip -netns ${NS2}    addr add ${IPv4_7}/24  dev veth7
+	ip -netns ${NS3}    addr add ${IPv4_8}/24  dev veth8
+	ip -netns ${NS1} -6 addr add ${IPv6_5}/128 nodad dev veth5
+	ip -netns ${NS2} -6 addr add ${IPv6_6}/128 nodad dev veth6
+	ip -netns ${NS2} -6 addr add ${IPv6_7}/128 nodad dev veth7
+	ip -netns ${NS3} -6 addr add ${IPv6_8}/128 nodad dev veth8
+
+	ip -netns ${NS1} link set dev veth1 up
+	ip -netns ${NS2} link set dev veth2 up
+	ip -netns ${NS2} link set dev veth3 up
+	ip -netns ${NS3} link set dev veth4 up
+	ip -netns ${NS1} link set dev veth5 up
+	ip -netns ${NS2} link set dev veth6 up
+	ip -netns ${NS2} link set dev veth7 up
+	ip -netns ${NS3} link set dev veth8 up
+
+	# configure routes: IP*_SRC -> veth1/IP*_2 (= top route) default;
+	# the bottom route to specific bottom addresses
+
+	# NS1
+	# top route
+	ip -netns ${NS1}    route add ${IPv4_2}/32  dev veth1 ${VRF}
+	ip -netns ${NS1}    route add default dev veth1 via ${IPv4_2} ${VRF}  # go top by default
+	ip -netns ${NS1} -6 route add ${IPv6_2}/128 dev veth1 ${VRF}
+	ip -netns ${NS1} -6 route add default dev veth1 via ${IPv6_2} ${VRF}  # go top by default
+	# bottom route
+	ip -netns ${NS1}    route add ${IPv4_6}/32  dev veth5 ${VRF}
+	ip -netns ${NS1}    route add ${IPv4_7}/32  dev veth5 via ${IPv4_6} ${VRF}
+	ip -netns ${NS1}    route add ${IPv4_8}/32  dev veth5 via ${IPv4_6} ${VRF}
+	ip -netns ${NS1} -6 route add ${IPv6_6}/128 dev veth5 ${VRF}
+	ip -netns ${NS1} -6 route add ${IPv6_7}/128 dev veth5 via ${IPv6_6} ${VRF}
+	ip -netns ${NS1} -6 route add ${IPv6_8}/128 dev veth5 via ${IPv6_6} ${VRF}
+
+	# NS2
+	# top route
+	ip -netns ${NS2}    route add ${IPv4_1}/32  dev veth2 ${VRF}
+	ip -netns ${NS2}    route add ${IPv4_4}/32  dev veth3 ${VRF}
+	ip -netns ${NS2} -6 route add ${IPv6_1}/128 dev veth2 ${VRF}
+	ip -netns ${NS2} -6 route add ${IPv6_4}/128 dev veth3 ${VRF}
+	# bottom route
+	ip -netns ${NS2}    route add ${IPv4_5}/32  dev veth6 ${VRF}
+	ip -netns ${NS2}    route add ${IPv4_8}/32  dev veth7 ${VRF}
+	ip -netns ${NS2} -6 route add ${IPv6_5}/128 dev veth6 ${VRF}
+	ip -netns ${NS2} -6 route add ${IPv6_8}/128 dev veth7 ${VRF}
+
+	# NS3
+	# top route
+	ip -netns ${NS3}    route add ${IPv4_3}/32  dev veth4
+	ip -netns ${NS3}    route add ${IPv4_1}/32  dev veth4 via ${IPv4_3}
+	ip -netns ${NS3}    route add ${IPv4_2}/32  dev veth4 via ${IPv4_3}
+	ip -netns ${NS3} -6 route add ${IPv6_3}/128 dev veth4
+	ip -netns ${NS3} -6 route add ${IPv6_1}/128 dev veth4 via ${IPv6_3}
+	ip -netns ${NS3} -6 route add ${IPv6_2}/128 dev veth4 via ${IPv6_3}
+	# bottom route
+	ip -netns ${NS3}    route add ${IPv4_7}/32  dev veth8
+	ip -netns ${NS3}    route add ${IPv4_5}/32  dev veth8 via ${IPv4_7}
+	ip -netns ${NS3}    route add ${IPv4_6}/32  dev veth8 via ${IPv4_7}
+	ip -netns ${NS3} -6 route add ${IPv6_7}/128 dev veth8
+	ip -netns ${NS3} -6 route add ${IPv6_5}/128 dev veth8 via ${IPv6_7}
+	ip -netns ${NS3} -6 route add ${IPv6_6}/128 dev veth8 via ${IPv6_7}
+
+	# configure IPv4 GRE device in NS3, and a route to it via the "bottom" route
+	ip -netns ${NS3} tunnel add gre_dev mode gre remote ${IPv4_1} local ${IPv4_GRE} ttl 255
+	ip -netns ${NS3} link set gre_dev up
+	ip -netns ${NS3} addr add ${IPv4_GRE} dev gre_dev
+	ip -netns ${NS1} route add ${IPv4_GRE}/32 dev veth5 via ${IPv4_6} ${VRF}
+	ip -netns ${NS2} route add ${IPv4_GRE}/32 dev veth7 via ${IPv4_8} ${VRF}
+
+
+	# configure IPv6 GRE device in NS3, and a route to it via the "bottom" route
+	ip -netns ${NS3} -6 tunnel add name gre6_dev mode ip6gre remote ${IPv6_1} local ${IPv6_GRE} ttl 255
+	ip -netns ${NS3} link set gre6_dev up
+	ip -netns ${NS3} -6 addr add ${IPv6_GRE} nodad dev gre6_dev
+	ip -netns ${NS1} -6 route add ${IPv6_GRE}/128 dev veth5 via ${IPv6_6} ${VRF}
+	ip -netns ${NS2} -6 route add ${IPv6_GRE}/128 dev veth7 via ${IPv6_8} ${VRF}
+
+	TMPFILE=$(mktemp /tmp/test_lwt_ip_encap.XXXXXX)
+
+	sleep 1  # reduce flakiness
+	set +e
+}
+
+cleanup()
+{
+	if [ -f ${TMPFILE} ] ; then
+		rm ${TMPFILE}
+	fi
+
+	ip netns del ${NS1} 2> /dev/null
+	ip netns del ${NS2} 2> /dev/null
+	ip netns del ${NS3} 2> /dev/null
+}
+
+trap cleanup EXIT
+
+remove_routes_to_gredev()
+{
+	ip -netns ${NS1} route del ${IPv4_GRE} dev veth5 ${VRF}
+	ip -netns ${NS2} route del ${IPv4_GRE} dev veth7 ${VRF}
+	ip -netns ${NS1} -6 route del ${IPv6_GRE}/128 dev veth5 ${VRF}
+	ip -netns ${NS2} -6 route del ${IPv6_GRE}/128 dev veth7 ${VRF}
+}
+
+add_unreachable_routes_to_gredev()
+{
+	ip -netns ${NS1} route add unreachable ${IPv4_GRE}/32 ${VRF}
+	ip -netns ${NS2} route add unreachable ${IPv4_GRE}/32 ${VRF}
+	ip -netns ${NS1} -6 route add unreachable ${IPv6_GRE}/128 ${VRF}
+	ip -netns ${NS2} -6 route add unreachable ${IPv6_GRE}/128 ${VRF}
+}
+
+test_ping()
+{
+	local readonly PROTO=$1
+	local readonly EXPECTED=$2
+	local RET=0
+
+	if [ "${PROTO}" == "IPv4" ] ; then
+		ip netns exec ${NS1} ping  -c 1 -W 1 -I veth1 ${IPv4_DST} 2>&1 > /dev/null
+		RET=$?
+	elif [ "${PROTO}" == "IPv6" ] ; then
+		ip netns exec ${NS1} ping6 -c 1 -W 1 -I veth1 ${IPv6_DST} 2>&1 > /dev/null
+		RET=$?
+	else
+		echo "    test_ping: unknown PROTO: ${PROTO}"
+		TEST_STATUS=1
+	fi
+
+	if [ "0" != "${RET}" ]; then
+		RET=1
+	fi
+
+	if [ "${EXPECTED}" != "${RET}" ] ; then
+		echo "    test_ping failed: expected: ${EXPECTED}; got ${RET}"
+		TEST_STATUS=1
+	fi
+}
+
+test_gso()
+{
+	local readonly PROTO=$1
+	local readonly PKT_SZ=5000
+	local IP_DST=""
+	: > ${TMPFILE}  # trim the capture file
+
+	# check that nc is present
+	command -v nc >/dev/null 2>&1 || \
+		{ echo >&2 "nc is not available: skipping TSO tests"; return; }
+
+	# listen on port 9000, capture TCP into $TMPFILE
+	if [ "${PROTO}" == "IPv4" ] ; then
+		IP_DST=${IPv4_DST}
+		ip netns exec ${NS3} bash -c \
+			"nc -4 -l -p 9000 > ${TMPFILE} &"
+	elif [ "${PROTO}" == "IPv6" ] ; then
+		IP_DST=${IPv6_DST}
+		ip netns exec ${NS3} bash -c \
+			"nc -6 -l -p 9000 > ${TMPFILE} &"
+		RET=$?
+	else
+		echo "    test_gso: unknown PROTO: ${PROTO}"
+		TEST_STATUS=1
+	fi
+	sleep 1  # let nc start listening
+
+	# send a packet larger than MTU
+	ip netns exec ${NS1} bash -c \
+		"dd if=/dev/zero bs=$PKT_SZ count=1 > /dev/tcp/${IP_DST}/9000 2>/dev/null"
+	sleep 2 # let the packet get delivered
+
+	# verify we received all expected bytes
+	SZ=$(stat -c %s ${TMPFILE})
+	if [ "$SZ" != "$PKT_SZ" ] ; then
+		echo "    test_gso failed: ${PROTO}"
+		TEST_STATUS=1
+	fi
+}
+
+test_egress()
+{
+	local readonly ENCAP=$1
+	echo "starting egress ${ENCAP} encap test ${VRF}"
+	setup
+
+	# by default, pings work
+	test_ping IPv4 0
+	test_ping IPv6 0
+
+	# remove NS2->DST routes, ping fails
+	ip -netns ${NS2}    route del ${IPv4_DST}/32  dev veth3 ${VRF}
+	ip -netns ${NS2} -6 route del ${IPv6_DST}/128 dev veth3 ${VRF}
+	test_ping IPv4 1
+	test_ping IPv6 1
+
+	# install replacement routes (LWT/eBPF), pings succeed
+	if [ "${ENCAP}" == "IPv4" ] ; then
+		ip -netns ${NS1} route add ${IPv4_DST} encap bpf xmit obj \
+			${BPF_FILE} sec encap_gre dev veth1 ${VRF}
+		ip -netns ${NS1} -6 route add ${IPv6_DST} encap bpf xmit obj \
+			${BPF_FILE} sec encap_gre dev veth1 ${VRF}
+	elif [ "${ENCAP}" == "IPv6" ] ; then
+		ip -netns ${NS1} route add ${IPv4_DST} encap bpf xmit obj \
+			${BPF_FILE} sec encap_gre6 dev veth1 ${VRF}
+		ip -netns ${NS1} -6 route add ${IPv6_DST} encap bpf xmit obj \
+			${BPF_FILE} sec encap_gre6 dev veth1 ${VRF}
+	else
+		echo "    unknown encap ${ENCAP}"
+		TEST_STATUS=1
+	fi
+	test_ping IPv4 0
+	test_ping IPv6 0
+
+	# skip GSO tests with VRF: VRF routing needs properly assigned
+	# source IP/device, which is easy to do with ping and hard with dd/nc.
+	if [ -z "${VRF}" ] ; then
+		test_gso IPv4
+		test_gso IPv6
+	fi
+
+	# a negative test: remove routes to GRE devices: ping fails
+	remove_routes_to_gredev
+	test_ping IPv4 1
+	test_ping IPv6 1
+
+	# another negative test
+	add_unreachable_routes_to_gredev
+	test_ping IPv4 1
+	test_ping IPv6 1
+
+	cleanup
+	process_test_results
+}
+
+test_ingress()
+{
+	local readonly ENCAP=$1
+	echo "starting ingress ${ENCAP} encap test ${VRF}"
+	setup
+
+	# need to wait a bit for IPv6 to autoconf, otherwise
+	# ping6 sometimes fails with "unable to bind to address"
+
+	# by default, pings work
+	test_ping IPv4 0
+	test_ping IPv6 0
+
+	# remove NS2->DST routes, pings fail
+	ip -netns ${NS2}    route del ${IPv4_DST}/32  dev veth3 ${VRF}
+	ip -netns ${NS2} -6 route del ${IPv6_DST}/128 dev veth3 ${VRF}
+	test_ping IPv4 1
+	test_ping IPv6 1
+
+	# install replacement routes (LWT/eBPF), pings succeed
+	if [ "${ENCAP}" == "IPv4" ] ; then
+		ip -netns ${NS2} route add ${IPv4_DST} encap bpf in obj \
+			${BPF_FILE} sec encap_gre dev veth2 ${VRF}
+		ip -netns ${NS2} -6 route add ${IPv6_DST} encap bpf in obj \
+			${BPF_FILE} sec encap_gre dev veth2 ${VRF}
+	elif [ "${ENCAP}" == "IPv6" ] ; then
+		ip -netns ${NS2} route add ${IPv4_DST} encap bpf in obj \
+			${BPF_FILE} sec encap_gre6 dev veth2 ${VRF}
+		ip -netns ${NS2} -6 route add ${IPv6_DST} encap bpf in obj \
+			${BPF_FILE} sec encap_gre6 dev veth2 ${VRF}
+	else
+		echo "FAIL: unknown encap ${ENCAP}"
+		TEST_STATUS=1
+	fi
+	test_ping IPv4 0
+	test_ping IPv6 0
+
+	# a negative test: remove routes to GRE devices: ping fails
+	remove_routes_to_gredev
+	test_ping IPv4 1
+	test_ping IPv6 1
+
+	# another negative test
+	add_unreachable_routes_to_gredev
+	test_ping IPv4 1
+	test_ping IPv6 1
+
+	cleanup
+	process_test_results
+}
+
+VRF=""
+test_egress IPv4
+test_egress IPv6
+test_ingress IPv4
+test_ingress IPv6
+
+VRF="vrf red"
+test_egress IPv4
+test_egress IPv6
+test_ingress IPv4
+test_ingress IPv6
+
+print_test_summary_and_exit
diff --git a/tools/testing/selftests/bpf/test_lwt_seg6local.sh b/tools/testing/selftests/bpf/test_lwt_seg6local.sh
new file mode 100755
index 000000000..0efea2292
--- /dev/null
+++ b/tools/testing/selftests/bpf/test_lwt_seg6local.sh
@@ -0,0 +1,156 @@
+#!/bin/bash
+# Connects 6 network namespaces through veths.
+# Each NS may have different IPv6 global scope addresses :
+#   NS1 ---- NS2 ---- NS3 ---- NS4 ---- NS5 ---- NS6
+# fb00::1           fd00::1  fd00::2  fd00::3  fb00::6
+#                   fc42::1           fd00::4
+#
+# All IPv6 packets going to fb00::/16 through NS2 will be encapsulated in a
+# IPv6 header with a Segment Routing Header, with segments :
+# 	fd00::1 -> fd00::2 -> fd00::3 -> fd00::4
+#
+# 3 fd00::/16 IPv6 addresses are binded to seg6local End.BPF actions :
+# - fd00::1 : add a TLV, change the flags and apply a End.X action to fc42::1
+# - fd00::2 : remove the TLV, change the flags, add a tag
+# - fd00::3 : apply an End.T action to fd00::4, through routing table 117
+#
+# fd00::4 is a simple Segment Routing node decapsulating the inner IPv6 packet.
+# Each End.BPF action will validate the operations applied on the SRH by the
+# previous BPF program in the chain, otherwise the packet is dropped.
+#
+# An UDP datagram is sent from fb00::1 to fb00::6. The test succeeds if this
+# datagram can be read on NS6 when binding to fb00::6.
+
+# Kselftest framework requirement - SKIP code is 4.
+ksft_skip=4
+BPF_FILE="test_lwt_seg6local.bpf.o"
+readonly NS1="ns1-$(mktemp -u XXXXXX)"
+readonly NS2="ns2-$(mktemp -u XXXXXX)"
+readonly NS3="ns3-$(mktemp -u XXXXXX)"
+readonly NS4="ns4-$(mktemp -u XXXXXX)"
+readonly NS5="ns5-$(mktemp -u XXXXXX)"
+readonly NS6="ns6-$(mktemp -u XXXXXX)"
+
+msg="skip all tests:"
+if [ $UID != 0 ]; then
+	echo $msg please run this as root >&2
+	exit $ksft_skip
+fi
+
+TMP_FILE="/tmp/selftest_lwt_seg6local.txt"
+
+cleanup()
+{
+	if [ "$?" = "0" ]; then
+		echo "selftests: test_lwt_seg6local [PASS]";
+	else
+		echo "selftests: test_lwt_seg6local [FAILED]";
+	fi
+
+	set +e
+	ip netns del ${NS1} 2> /dev/null
+	ip netns del ${NS2} 2> /dev/null
+	ip netns del ${NS3} 2> /dev/null
+	ip netns del ${NS4} 2> /dev/null
+	ip netns del ${NS5} 2> /dev/null
+	ip netns del ${NS6} 2> /dev/null
+	rm -f $TMP_FILE
+}
+
+set -e
+
+ip netns add ${NS1}
+ip netns add ${NS2}
+ip netns add ${NS3}
+ip netns add ${NS4}
+ip netns add ${NS5}
+ip netns add ${NS6}
+
+trap cleanup 0 2 3 6 9
+
+ip link add veth1 type veth peer name veth2
+ip link add veth3 type veth peer name veth4
+ip link add veth5 type veth peer name veth6
+ip link add veth7 type veth peer name veth8
+ip link add veth9 type veth peer name veth10
+
+ip link set veth1 netns ${NS1}
+ip link set veth2 netns ${NS2}
+ip link set veth3 netns ${NS2}
+ip link set veth4 netns ${NS3}
+ip link set veth5 netns ${NS3}
+ip link set veth6 netns ${NS4}
+ip link set veth7 netns ${NS4}
+ip link set veth8 netns ${NS5}
+ip link set veth9 netns ${NS5}
+ip link set veth10 netns ${NS6}
+
+ip netns exec ${NS1} ip link set dev veth1 up
+ip netns exec ${NS2} ip link set dev veth2 up
+ip netns exec ${NS2} ip link set dev veth3 up
+ip netns exec ${NS3} ip link set dev veth4 up
+ip netns exec ${NS3} ip link set dev veth5 up
+ip netns exec ${NS4} ip link set dev veth6 up
+ip netns exec ${NS4} ip link set dev veth7 up
+ip netns exec ${NS5} ip link set dev veth8 up
+ip netns exec ${NS5} ip link set dev veth9 up
+ip netns exec ${NS6} ip link set dev veth10 up
+ip netns exec ${NS6} ip link set dev lo up
+
+# All link scope addresses and routes required between veths
+ip netns exec ${NS1} ip -6 addr add fb00::12/16 dev veth1 scope link
+ip netns exec ${NS1} ip -6 route add fb00::21 dev veth1 scope link
+ip netns exec ${NS2} ip -6 addr add fb00::21/16 dev veth2 scope link
+ip netns exec ${NS2} ip -6 addr add fb00::34/16 dev veth3 scope link
+ip netns exec ${NS2} ip -6 route add fb00::43 dev veth3 scope link
+ip netns exec ${NS3} ip -6 route add fb00::65 dev veth5 scope link
+ip netns exec ${NS3} ip -6 addr add fb00::43/16 dev veth4 scope link
+ip netns exec ${NS3} ip -6 addr add fb00::56/16 dev veth5 scope link
+ip netns exec ${NS4} ip -6 addr add fb00::65/16 dev veth6 scope link
+ip netns exec ${NS4} ip -6 addr add fb00::78/16 dev veth7 scope link
+ip netns exec ${NS4} ip -6 route add fb00::87 dev veth7 scope link
+ip netns exec ${NS5} ip -6 addr add fb00::87/16 dev veth8 scope link
+ip netns exec ${NS5} ip -6 addr add fb00::910/16 dev veth9 scope link
+ip netns exec ${NS5} ip -6 route add fb00::109 dev veth9 scope link
+ip netns exec ${NS5} ip -6 route add fb00::109 table 117 dev veth9 scope link
+ip netns exec ${NS6} ip -6 addr add fb00::109/16 dev veth10 scope link
+
+ip netns exec ${NS1} ip -6 addr add fb00::1/16 dev lo
+ip netns exec ${NS1} ip -6 route add fb00::6 dev veth1 via fb00::21
+
+ip netns exec ${NS2} ip -6 route add fb00::6 encap bpf in obj ${BPF_FILE} sec encap_srh dev veth2
+ip netns exec ${NS2} ip -6 route add fd00::1 dev veth3 via fb00::43 scope link
+
+ip netns exec ${NS3} ip -6 route add fc42::1 dev veth5 via fb00::65
+ip netns exec ${NS3} ip -6 route add fd00::1 encap seg6local action End.BPF endpoint obj ${BPF_FILE} sec add_egr_x dev veth4
+
+ip netns exec ${NS4} ip -6 route add fd00::2 encap seg6local action End.BPF endpoint obj ${BPF_FILE} sec pop_egr dev veth6
+ip netns exec ${NS4} ip -6 addr add fc42::1 dev lo
+ip netns exec ${NS4} ip -6 route add fd00::3 dev veth7 via fb00::87
+
+ip netns exec ${NS5} ip -6 route add fd00::4 table 117 dev veth9 via fb00::109
+ip netns exec ${NS5} ip -6 route add fd00::3 encap seg6local action End.BPF endpoint obj ${BPF_FILE} sec inspect_t dev veth8
+
+ip netns exec ${NS6} ip -6 addr add fb00::6/16 dev lo
+ip netns exec ${NS6} ip -6 addr add fd00::4/16 dev lo
+
+ip netns exec ${NS1} sysctl net.ipv6.conf.all.forwarding=1 > /dev/null
+ip netns exec ${NS2} sysctl net.ipv6.conf.all.forwarding=1 > /dev/null
+ip netns exec ${NS3} sysctl net.ipv6.conf.all.forwarding=1 > /dev/null
+ip netns exec ${NS4} sysctl net.ipv6.conf.all.forwarding=1 > /dev/null
+ip netns exec ${NS5} sysctl net.ipv6.conf.all.forwarding=1 > /dev/null
+
+ip netns exec ${NS6} sysctl net.ipv6.conf.all.seg6_enabled=1 > /dev/null
+ip netns exec ${NS6} sysctl net.ipv6.conf.lo.seg6_enabled=1 > /dev/null
+ip netns exec ${NS6} sysctl net.ipv6.conf.veth10.seg6_enabled=1 > /dev/null
+
+ip netns exec ${NS6} nc -l -6 -u -d 7330 > $TMP_FILE &
+ip netns exec ${NS1} bash -c "echo 'foobar' | nc -w0 -6 -u -p 2121 -s fb00::1 fb00::6 7330"
+sleep 5 # wait enough time to ensure the UDP datagram arrived to the last segment
+kill -TERM $!
+
+if [[ $(< $TMP_FILE) != "foobar" ]]; then
+	exit 1
+fi
+
+exit 0
diff --git a/tools/testing/selftests/bpf/test_maps.c b/tools/testing/selftests/bpf/test_maps.c
new file mode 100644
index 000000000..b73152822
--- /dev/null
+++ b/tools/testing/selftests/bpf/test_maps.c
@@ -0,0 +1,1928 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Testsuite for eBPF maps
+ *
+ * Copyright (c) 2014 PLUMgrid, http://plumgrid.com
+ * Copyright (c) 2016 Facebook
+ */
+
+#include <stdio.h>
+#include <unistd.h>
+#include <errno.h>
+#include <string.h>
+#include <assert.h>
+#include <stdlib.h>
+#include <time.h>
+
+#include <sys/wait.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <linux/bpf.h>
+
+#include <bpf/bpf.h>
+#include <bpf/libbpf.h>
+
+#include "bpf_util.h"
+#include "test_maps.h"
+#include "testing_helpers.h"
+
+#ifndef ENOTSUPP
+#define ENOTSUPP 524
+#endif
+
+int skips;
+
+static struct bpf_map_create_opts map_opts = { .sz = sizeof(map_opts) };
+
+static void test_hashmap(unsigned int task, void *data)
+{
+	long long key, next_key, first_key, value;
+	int fd;
+
+	fd = bpf_map_create(BPF_MAP_TYPE_HASH, NULL, sizeof(key), sizeof(value), 2, &map_opts);
+	if (fd < 0) {
+		printf("Failed to create hashmap '%s'!\n", strerror(errno));
+		exit(1);
+	}
+
+	key = 1;
+	value = 1234;
+	/* Insert key=1 element. */
+	assert(bpf_map_update_elem(fd, &key, &value, BPF_ANY) == 0);
+
+	value = 0;
+	/* BPF_NOEXIST means add new element if it doesn't exist. */
+	assert(bpf_map_update_elem(fd, &key, &value, BPF_NOEXIST) < 0 &&
+	       /* key=1 already exists. */
+	       errno == EEXIST);
+
+	/* -1 is an invalid flag. */
+	assert(bpf_map_update_elem(fd, &key, &value, -1) < 0 &&
+	       errno == EINVAL);
+
+	/* Check that key=1 can be found. */
+	assert(bpf_map_lookup_elem(fd, &key, &value) == 0 && value == 1234);
+
+	key = 2;
+	value = 1234;
+	/* Insert key=2 element. */
+	assert(bpf_map_update_elem(fd, &key, &value, BPF_ANY) == 0);
+
+	/* Check that key=2 matches the value and delete it */
+	assert(bpf_map_lookup_and_delete_elem(fd, &key, &value) == 0 && value == 1234);
+
+	/* Check that key=2 is not found. */
+	assert(bpf_map_lookup_elem(fd, &key, &value) < 0 && errno == ENOENT);
+
+	/* BPF_EXIST means update existing element. */
+	assert(bpf_map_update_elem(fd, &key, &value, BPF_EXIST) < 0 &&
+	       /* key=2 is not there. */
+	       errno == ENOENT);
+
+	/* Insert key=2 element. */
+	assert(bpf_map_update_elem(fd, &key, &value, BPF_NOEXIST) == 0);
+
+	/* key=1 and key=2 were inserted, check that key=0 cannot be
+	 * inserted due to max_entries limit.
+	 */
+	key = 0;
+	assert(bpf_map_update_elem(fd, &key, &value, BPF_NOEXIST) < 0 &&
+	       errno == E2BIG);
+
+	/* Update existing element, though the map is full. */
+	key = 1;
+	assert(bpf_map_update_elem(fd, &key, &value, BPF_EXIST) == 0);
+	key = 2;
+	assert(bpf_map_update_elem(fd, &key, &value, BPF_ANY) == 0);
+	key = 3;
+	assert(bpf_map_update_elem(fd, &key, &value, BPF_NOEXIST) < 0 &&
+	       errno == E2BIG);
+
+	/* Check that key = 0 doesn't exist. */
+	key = 0;
+	assert(bpf_map_delete_elem(fd, &key) < 0 && errno == ENOENT);
+
+	/* Iterate over two elements. */
+	assert(bpf_map_get_next_key(fd, NULL, &first_key) == 0 &&
+	       (first_key == 1 || first_key == 2));
+	assert(bpf_map_get_next_key(fd, &key, &next_key) == 0 &&
+	       (next_key == first_key));
+	assert(bpf_map_get_next_key(fd, &next_key, &next_key) == 0 &&
+	       (next_key == 1 || next_key == 2) &&
+	       (next_key != first_key));
+	assert(bpf_map_get_next_key(fd, &next_key, &next_key) < 0 &&
+	       errno == ENOENT);
+
+	/* Delete both elements. */
+	key = 1;
+	assert(bpf_map_delete_elem(fd, &key) == 0);
+	key = 2;
+	assert(bpf_map_delete_elem(fd, &key) == 0);
+	assert(bpf_map_delete_elem(fd, &key) < 0 && errno == ENOENT);
+
+	key = 0;
+	/* Check that map is empty. */
+	assert(bpf_map_get_next_key(fd, NULL, &next_key) < 0 &&
+	       errno == ENOENT);
+	assert(bpf_map_get_next_key(fd, &key, &next_key) < 0 &&
+	       errno == ENOENT);
+
+	close(fd);
+}
+
+static void test_hashmap_sizes(unsigned int task, void *data)
+{
+	int fd, i, j;
+
+	for (i = 1; i <= 512; i <<= 1)
+		for (j = 1; j <= 1 << 18; j <<= 1) {
+			fd = bpf_map_create(BPF_MAP_TYPE_HASH, NULL, i, j, 2, &map_opts);
+			if (fd < 0) {
+				if (errno == ENOMEM)
+					return;
+				printf("Failed to create hashmap key=%d value=%d '%s'\n",
+				       i, j, strerror(errno));
+				exit(1);
+			}
+			close(fd);
+			usleep(10); /* give kernel time to destroy */
+		}
+}
+
+static void test_hashmap_percpu(unsigned int task, void *data)
+{
+	unsigned int nr_cpus = bpf_num_possible_cpus();
+	BPF_DECLARE_PERCPU(long, value);
+	long long key, next_key, first_key;
+	int expected_key_mask = 0;
+	int fd, i;
+
+	fd = bpf_map_create(BPF_MAP_TYPE_PERCPU_HASH, NULL, sizeof(key),
+			    sizeof(bpf_percpu(value, 0)), 2, &map_opts);
+	if (fd < 0) {
+		printf("Failed to create hashmap '%s'!\n", strerror(errno));
+		exit(1);
+	}
+
+	for (i = 0; i < nr_cpus; i++)
+		bpf_percpu(value, i) = i + 100;
+
+	key = 1;
+	/* Insert key=1 element. */
+	assert(!(expected_key_mask & key));
+	assert(bpf_map_update_elem(fd, &key, value, BPF_ANY) == 0);
+
+	/* Lookup and delete elem key=1 and check value. */
+	assert(bpf_map_lookup_and_delete_elem(fd, &key, value) == 0 &&
+	       bpf_percpu(value,0) == 100);
+
+	for (i = 0; i < nr_cpus; i++)
+		bpf_percpu(value,i) = i + 100;
+
+	/* Insert key=1 element which should not exist. */
+	assert(bpf_map_update_elem(fd, &key, value, BPF_NOEXIST) == 0);
+	expected_key_mask |= key;
+
+	/* BPF_NOEXIST means add new element if it doesn't exist. */
+	assert(bpf_map_update_elem(fd, &key, value, BPF_NOEXIST) < 0 &&
+	       /* key=1 already exists. */
+	       errno == EEXIST);
+
+	/* -1 is an invalid flag. */
+	assert(bpf_map_update_elem(fd, &key, value, -1) < 0 &&
+	       errno == EINVAL);
+
+	/* Check that key=1 can be found. Value could be 0 if the lookup
+	 * was run from a different CPU.
+	 */
+	bpf_percpu(value, 0) = 1;
+	assert(bpf_map_lookup_elem(fd, &key, value) == 0 &&
+	       bpf_percpu(value, 0) == 100);
+
+	key = 2;
+	/* Check that key=2 is not found. */
+	assert(bpf_map_lookup_elem(fd, &key, value) < 0 && errno == ENOENT);
+
+	/* BPF_EXIST means update existing element. */
+	assert(bpf_map_update_elem(fd, &key, value, BPF_EXIST) < 0 &&
+	       /* key=2 is not there. */
+	       errno == ENOENT);
+
+	/* Insert key=2 element. */
+	assert(!(expected_key_mask & key));
+	assert(bpf_map_update_elem(fd, &key, value, BPF_NOEXIST) == 0);
+	expected_key_mask |= key;
+
+	/* key=1 and key=2 were inserted, check that key=0 cannot be
+	 * inserted due to max_entries limit.
+	 */
+	key = 0;
+	assert(bpf_map_update_elem(fd, &key, value, BPF_NOEXIST) < 0 &&
+	       errno == E2BIG);
+
+	/* Check that key = 0 doesn't exist. */
+	assert(bpf_map_delete_elem(fd, &key) < 0 && errno == ENOENT);
+
+	/* Iterate over two elements. */
+	assert(bpf_map_get_next_key(fd, NULL, &first_key) == 0 &&
+	       ((expected_key_mask & first_key) == first_key));
+	while (!bpf_map_get_next_key(fd, &key, &next_key)) {
+		if (first_key) {
+			assert(next_key == first_key);
+			first_key = 0;
+		}
+		assert((expected_key_mask & next_key) == next_key);
+		expected_key_mask &= ~next_key;
+
+		assert(bpf_map_lookup_elem(fd, &next_key, value) == 0);
+
+		for (i = 0; i < nr_cpus; i++)
+			assert(bpf_percpu(value, i) == i + 100);
+
+		key = next_key;
+	}
+	assert(errno == ENOENT);
+
+	/* Update with BPF_EXIST. */
+	key = 1;
+	assert(bpf_map_update_elem(fd, &key, value, BPF_EXIST) == 0);
+
+	/* Delete both elements. */
+	key = 1;
+	assert(bpf_map_delete_elem(fd, &key) == 0);
+	key = 2;
+	assert(bpf_map_delete_elem(fd, &key) == 0);
+	assert(bpf_map_delete_elem(fd, &key) < 0 && errno == ENOENT);
+
+	key = 0;
+	/* Check that map is empty. */
+	assert(bpf_map_get_next_key(fd, NULL, &next_key) < 0 &&
+	       errno == ENOENT);
+	assert(bpf_map_get_next_key(fd, &key, &next_key) < 0 &&
+	       errno == ENOENT);
+
+	close(fd);
+}
+
+#define VALUE_SIZE 3
+static int helper_fill_hashmap(int max_entries)
+{
+	int i, fd, ret;
+	long long key, value[VALUE_SIZE] = {};
+
+	fd = bpf_map_create(BPF_MAP_TYPE_HASH, NULL, sizeof(key), sizeof(value),
+			    max_entries, &map_opts);
+	CHECK(fd < 0,
+	      "failed to create hashmap",
+	      "err: %s, flags: 0x%x\n", strerror(errno), map_opts.map_flags);
+
+	for (i = 0; i < max_entries; i++) {
+		key = i; value[0] = key;
+		ret = bpf_map_update_elem(fd, &key, value, BPF_NOEXIST);
+		CHECK(ret != 0,
+		      "can't update hashmap",
+		      "err: %s\n", strerror(ret));
+	}
+
+	return fd;
+}
+
+static void test_hashmap_walk(unsigned int task, void *data)
+{
+	int fd, i, max_entries = 10000;
+	long long key, value[VALUE_SIZE], next_key;
+	bool next_key_valid = true;
+
+	fd = helper_fill_hashmap(max_entries);
+
+	for (i = 0; bpf_map_get_next_key(fd, !i ? NULL : &key,
+					 &next_key) == 0; i++) {
+		key = next_key;
+		assert(bpf_map_lookup_elem(fd, &key, value) == 0);
+	}
+
+	assert(i == max_entries);
+
+	assert(bpf_map_get_next_key(fd, NULL, &key) == 0);
+	for (i = 0; next_key_valid; i++) {
+		next_key_valid = bpf_map_get_next_key(fd, &key, &next_key) == 0;
+		assert(bpf_map_lookup_elem(fd, &key, value) == 0);
+		value[0]++;
+		assert(bpf_map_update_elem(fd, &key, value, BPF_EXIST) == 0);
+		key = next_key;
+	}
+
+	assert(i == max_entries);
+
+	for (i = 0; bpf_map_get_next_key(fd, !i ? NULL : &key,
+					 &next_key) == 0; i++) {
+		key = next_key;
+		assert(bpf_map_lookup_elem(fd, &key, value) == 0);
+		assert(value[0] - 1 == key);
+	}
+
+	assert(i == max_entries);
+	close(fd);
+}
+
+static void test_hashmap_zero_seed(void)
+{
+	int i, first, second, old_flags;
+	long long key, next_first, next_second;
+
+	old_flags = map_opts.map_flags;
+	map_opts.map_flags |= BPF_F_ZERO_SEED;
+
+	first = helper_fill_hashmap(3);
+	second = helper_fill_hashmap(3);
+
+	for (i = 0; ; i++) {
+		void *key_ptr = !i ? NULL : &key;
+
+		if (bpf_map_get_next_key(first, key_ptr, &next_first) != 0)
+			break;
+
+		CHECK(bpf_map_get_next_key(second, key_ptr, &next_second) != 0,
+		      "next_key for second map must succeed",
+		      "key_ptr: %p", key_ptr);
+		CHECK(next_first != next_second,
+		      "keys must match",
+		      "i: %d first: %lld second: %lld\n", i,
+		      next_first, next_second);
+
+		key = next_first;
+	}
+
+	map_opts.map_flags = old_flags;
+	close(first);
+	close(second);
+}
+
+static void test_arraymap(unsigned int task, void *data)
+{
+	int key, next_key, fd;
+	long long value;
+
+	fd = bpf_map_create(BPF_MAP_TYPE_ARRAY, NULL, sizeof(key), sizeof(value), 2, NULL);
+	if (fd < 0) {
+		printf("Failed to create arraymap '%s'!\n", strerror(errno));
+		exit(1);
+	}
+
+	key = 1;
+	value = 1234;
+	/* Insert key=1 element. */
+	assert(bpf_map_update_elem(fd, &key, &value, BPF_ANY) == 0);
+
+	value = 0;
+	assert(bpf_map_update_elem(fd, &key, &value, BPF_NOEXIST) < 0 &&
+	       errno == EEXIST);
+
+	/* Check that key=1 can be found. */
+	assert(bpf_map_lookup_elem(fd, &key, &value) == 0 && value == 1234);
+
+	key = 0;
+	/* Check that key=0 is also found and zero initialized. */
+	assert(bpf_map_lookup_elem(fd, &key, &value) == 0 && value == 0);
+
+	/* key=0 and key=1 were inserted, check that key=2 cannot be inserted
+	 * due to max_entries limit.
+	 */
+	key = 2;
+	assert(bpf_map_update_elem(fd, &key, &value, BPF_EXIST) < 0 &&
+	       errno == E2BIG);
+
+	/* Check that key = 2 doesn't exist. */
+	assert(bpf_map_lookup_elem(fd, &key, &value) < 0 && errno == ENOENT);
+
+	/* Iterate over two elements. */
+	assert(bpf_map_get_next_key(fd, NULL, &next_key) == 0 &&
+	       next_key == 0);
+	assert(bpf_map_get_next_key(fd, &key, &next_key) == 0 &&
+	       next_key == 0);
+	assert(bpf_map_get_next_key(fd, &next_key, &next_key) == 0 &&
+	       next_key == 1);
+	assert(bpf_map_get_next_key(fd, &next_key, &next_key) < 0 &&
+	       errno == ENOENT);
+
+	/* Delete shouldn't succeed. */
+	key = 1;
+	assert(bpf_map_delete_elem(fd, &key) < 0 && errno == EINVAL);
+
+	close(fd);
+}
+
+static void test_arraymap_percpu(unsigned int task, void *data)
+{
+	unsigned int nr_cpus = bpf_num_possible_cpus();
+	BPF_DECLARE_PERCPU(long, values);
+	int key, next_key, fd, i;
+
+	fd = bpf_map_create(BPF_MAP_TYPE_PERCPU_ARRAY, NULL, sizeof(key),
+			    sizeof(bpf_percpu(values, 0)), 2, NULL);
+	if (fd < 0) {
+		printf("Failed to create arraymap '%s'!\n", strerror(errno));
+		exit(1);
+	}
+
+	for (i = 0; i < nr_cpus; i++)
+		bpf_percpu(values, i) = i + 100;
+
+	key = 1;
+	/* Insert key=1 element. */
+	assert(bpf_map_update_elem(fd, &key, values, BPF_ANY) == 0);
+
+	bpf_percpu(values, 0) = 0;
+	assert(bpf_map_update_elem(fd, &key, values, BPF_NOEXIST) < 0 &&
+	       errno == EEXIST);
+
+	/* Check that key=1 can be found. */
+	assert(bpf_map_lookup_elem(fd, &key, values) == 0 &&
+	       bpf_percpu(values, 0) == 100);
+
+	key = 0;
+	/* Check that key=0 is also found and zero initialized. */
+	assert(bpf_map_lookup_elem(fd, &key, values) == 0 &&
+	       bpf_percpu(values, 0) == 0 &&
+	       bpf_percpu(values, nr_cpus - 1) == 0);
+
+	/* Check that key=2 cannot be inserted due to max_entries limit. */
+	key = 2;
+	assert(bpf_map_update_elem(fd, &key, values, BPF_EXIST) < 0 &&
+	       errno == E2BIG);
+
+	/* Check that key = 2 doesn't exist. */
+	assert(bpf_map_lookup_elem(fd, &key, values) < 0 && errno == ENOENT);
+
+	/* Iterate over two elements. */
+	assert(bpf_map_get_next_key(fd, NULL, &next_key) == 0 &&
+	       next_key == 0);
+	assert(bpf_map_get_next_key(fd, &key, &next_key) == 0 &&
+	       next_key == 0);
+	assert(bpf_map_get_next_key(fd, &next_key, &next_key) == 0 &&
+	       next_key == 1);
+	assert(bpf_map_get_next_key(fd, &next_key, &next_key) < 0 &&
+	       errno == ENOENT);
+
+	/* Delete shouldn't succeed. */
+	key = 1;
+	assert(bpf_map_delete_elem(fd, &key) < 0 && errno == EINVAL);
+
+	close(fd);
+}
+
+static void test_arraymap_percpu_many_keys(void)
+{
+	unsigned int nr_cpus = bpf_num_possible_cpus();
+	BPF_DECLARE_PERCPU(long, values);
+	/* nr_keys is not too large otherwise the test stresses percpu
+	 * allocator more than anything else
+	 */
+	unsigned int nr_keys = 2000;
+	int key, fd, i;
+
+	fd = bpf_map_create(BPF_MAP_TYPE_PERCPU_ARRAY, NULL, sizeof(key),
+			    sizeof(bpf_percpu(values, 0)), nr_keys, NULL);
+	if (fd < 0) {
+		printf("Failed to create per-cpu arraymap '%s'!\n",
+		       strerror(errno));
+		exit(1);
+	}
+
+	for (i = 0; i < nr_cpus; i++)
+		bpf_percpu(values, i) = i + 10;
+
+	for (key = 0; key < nr_keys; key++)
+		assert(bpf_map_update_elem(fd, &key, values, BPF_ANY) == 0);
+
+	for (key = 0; key < nr_keys; key++) {
+		for (i = 0; i < nr_cpus; i++)
+			bpf_percpu(values, i) = 0;
+
+		assert(bpf_map_lookup_elem(fd, &key, values) == 0);
+
+		for (i = 0; i < nr_cpus; i++)
+			assert(bpf_percpu(values, i) == i + 10);
+	}
+
+	close(fd);
+}
+
+static void test_devmap(unsigned int task, void *data)
+{
+	int fd;
+	__u32 key, value;
+
+	fd = bpf_map_create(BPF_MAP_TYPE_DEVMAP, NULL, sizeof(key), sizeof(value), 2, NULL);
+	if (fd < 0) {
+		printf("Failed to create devmap '%s'!\n", strerror(errno));
+		exit(1);
+	}
+
+	close(fd);
+}
+
+static void test_devmap_hash(unsigned int task, void *data)
+{
+	int fd;
+	__u32 key, value;
+
+	fd = bpf_map_create(BPF_MAP_TYPE_DEVMAP_HASH, NULL, sizeof(key), sizeof(value), 2, NULL);
+	if (fd < 0) {
+		printf("Failed to create devmap_hash '%s'!\n", strerror(errno));
+		exit(1);
+	}
+
+	close(fd);
+}
+
+static void test_queuemap(unsigned int task, void *data)
+{
+	const int MAP_SIZE = 32;
+	__u32 vals[MAP_SIZE + MAP_SIZE/2], val;
+	int fd, i;
+
+	/* Fill test values to be used */
+	for (i = 0; i < MAP_SIZE + MAP_SIZE/2; i++)
+		vals[i] = rand();
+
+	/* Invalid key size */
+	fd = bpf_map_create(BPF_MAP_TYPE_QUEUE, NULL, 4, sizeof(val), MAP_SIZE, &map_opts);
+	assert(fd < 0 && errno == EINVAL);
+
+	fd = bpf_map_create(BPF_MAP_TYPE_QUEUE, NULL, 0, sizeof(val), MAP_SIZE, &map_opts);
+	/* Queue map does not support BPF_F_NO_PREALLOC */
+	if (map_opts.map_flags & BPF_F_NO_PREALLOC) {
+		assert(fd < 0 && errno == EINVAL);
+		return;
+	}
+	if (fd < 0) {
+		printf("Failed to create queuemap '%s'!\n", strerror(errno));
+		exit(1);
+	}
+
+	/* Push MAP_SIZE elements */
+	for (i = 0; i < MAP_SIZE; i++)
+		assert(bpf_map_update_elem(fd, NULL, &vals[i], 0) == 0);
+
+	/* Check that element cannot be pushed due to max_entries limit */
+	assert(bpf_map_update_elem(fd, NULL, &val, 0) < 0 &&
+	       errno == E2BIG);
+
+	/* Peek element */
+	assert(bpf_map_lookup_elem(fd, NULL, &val) == 0 && val == vals[0]);
+
+	/* Replace half elements */
+	for (i = MAP_SIZE; i < MAP_SIZE + MAP_SIZE/2; i++)
+		assert(bpf_map_update_elem(fd, NULL, &vals[i], BPF_EXIST) == 0);
+
+	/* Pop all elements */
+	for (i = MAP_SIZE/2; i < MAP_SIZE + MAP_SIZE/2; i++)
+		assert(bpf_map_lookup_and_delete_elem(fd, NULL, &val) == 0 &&
+		       val == vals[i]);
+
+	/* Check that there are not elements left */
+	assert(bpf_map_lookup_and_delete_elem(fd, NULL, &val) < 0 &&
+	       errno == ENOENT);
+
+	/* Check that non supported functions set errno to EINVAL */
+	assert(bpf_map_delete_elem(fd, NULL) < 0 && errno == EINVAL);
+	assert(bpf_map_get_next_key(fd, NULL, NULL) < 0 && errno == EINVAL);
+
+	close(fd);
+}
+
+static void test_stackmap(unsigned int task, void *data)
+{
+	const int MAP_SIZE = 32;
+	__u32 vals[MAP_SIZE + MAP_SIZE/2], val;
+	int fd, i;
+
+	/* Fill test values to be used */
+	for (i = 0; i < MAP_SIZE + MAP_SIZE/2; i++)
+		vals[i] = rand();
+
+	/* Invalid key size */
+	fd = bpf_map_create(BPF_MAP_TYPE_STACK, NULL, 4, sizeof(val), MAP_SIZE, &map_opts);
+	assert(fd < 0 && errno == EINVAL);
+
+	fd = bpf_map_create(BPF_MAP_TYPE_STACK, NULL, 0, sizeof(val), MAP_SIZE, &map_opts);
+	/* Stack map does not support BPF_F_NO_PREALLOC */
+	if (map_opts.map_flags & BPF_F_NO_PREALLOC) {
+		assert(fd < 0 && errno == EINVAL);
+		return;
+	}
+	if (fd < 0) {
+		printf("Failed to create stackmap '%s'!\n", strerror(errno));
+		exit(1);
+	}
+
+	/* Push MAP_SIZE elements */
+	for (i = 0; i < MAP_SIZE; i++)
+		assert(bpf_map_update_elem(fd, NULL, &vals[i], 0) == 0);
+
+	/* Check that element cannot be pushed due to max_entries limit */
+	assert(bpf_map_update_elem(fd, NULL, &val, 0) < 0 &&
+	       errno == E2BIG);
+
+	/* Peek element */
+	assert(bpf_map_lookup_elem(fd, NULL, &val) == 0 && val == vals[i - 1]);
+
+	/* Replace half elements */
+	for (i = MAP_SIZE; i < MAP_SIZE + MAP_SIZE/2; i++)
+		assert(bpf_map_update_elem(fd, NULL, &vals[i], BPF_EXIST) == 0);
+
+	/* Pop all elements */
+	for (i = MAP_SIZE + MAP_SIZE/2 - 1; i >= MAP_SIZE/2; i--)
+		assert(bpf_map_lookup_and_delete_elem(fd, NULL, &val) == 0 &&
+		       val == vals[i]);
+
+	/* Check that there are not elements left */
+	assert(bpf_map_lookup_and_delete_elem(fd, NULL, &val) < 0 &&
+	       errno == ENOENT);
+
+	/* Check that non supported functions set errno to EINVAL */
+	assert(bpf_map_delete_elem(fd, NULL) < 0 && errno == EINVAL);
+	assert(bpf_map_get_next_key(fd, NULL, NULL) < 0 && errno == EINVAL);
+
+	close(fd);
+}
+
+#include <sys/ioctl.h>
+#include <arpa/inet.h>
+#include <sys/select.h>
+#include <linux/err.h>
+#define SOCKMAP_PARSE_PROG "./sockmap_parse_prog.bpf.o"
+#define SOCKMAP_VERDICT_PROG "./sockmap_verdict_prog.bpf.o"
+#define SOCKMAP_TCP_MSG_PROG "./sockmap_tcp_msg_prog.bpf.o"
+static void test_sockmap(unsigned int tasks, void *data)
+{
+	struct bpf_map *bpf_map_rx, *bpf_map_tx, *bpf_map_msg, *bpf_map_break;
+	int map_fd_msg = 0, map_fd_rx = 0, map_fd_tx = 0, map_fd_break;
+	struct bpf_object *parse_obj, *verdict_obj, *msg_obj;
+	int ports[] = {50200, 50201, 50202, 50204};
+	int err, i, fd, udp, sfd[6] = {0xdeadbeef};
+	u8 buf[20] = {0x0, 0x5, 0x3, 0x2, 0x1, 0x0};
+	int parse_prog, verdict_prog, msg_prog;
+	struct sockaddr_in addr;
+	int one = 1, s, sc, rc;
+	struct timeval to;
+	__u32 key, value;
+	pid_t pid[tasks];
+	fd_set w;
+
+	/* Create some sockets to use with sockmap */
+	for (i = 0; i < 2; i++) {
+		sfd[i] = socket(AF_INET, SOCK_STREAM, 0);
+		if (sfd[i] < 0)
+			goto out;
+		err = setsockopt(sfd[i], SOL_SOCKET, SO_REUSEADDR,
+				 (char *)&one, sizeof(one));
+		if (err) {
+			printf("failed to setsockopt\n");
+			goto out;
+		}
+		err = ioctl(sfd[i], FIONBIO, (char *)&one);
+		if (err < 0) {
+			printf("failed to ioctl\n");
+			goto out;
+		}
+		memset(&addr, 0, sizeof(struct sockaddr_in));
+		addr.sin_family = AF_INET;
+		addr.sin_addr.s_addr = inet_addr("127.0.0.1");
+		addr.sin_port = htons(ports[i]);
+		err = bind(sfd[i], (struct sockaddr *)&addr, sizeof(addr));
+		if (err < 0) {
+			printf("failed to bind: err %i: %i:%i\n",
+			       err, i, sfd[i]);
+			goto out;
+		}
+		err = listen(sfd[i], 32);
+		if (err < 0) {
+			printf("failed to listen\n");
+			goto out;
+		}
+	}
+
+	for (i = 2; i < 4; i++) {
+		sfd[i] = socket(AF_INET, SOCK_STREAM, 0);
+		if (sfd[i] < 0)
+			goto out;
+		err = setsockopt(sfd[i], SOL_SOCKET, SO_REUSEADDR,
+				 (char *)&one, sizeof(one));
+		if (err) {
+			printf("set sock opt\n");
+			goto out;
+		}
+		memset(&addr, 0, sizeof(struct sockaddr_in));
+		addr.sin_family = AF_INET;
+		addr.sin_addr.s_addr = inet_addr("127.0.0.1");
+		addr.sin_port = htons(ports[i - 2]);
+		err = connect(sfd[i], (struct sockaddr *)&addr, sizeof(addr));
+		if (err) {
+			printf("failed to connect\n");
+			goto out;
+		}
+	}
+
+
+	for (i = 4; i < 6; i++) {
+		sfd[i] = accept(sfd[i - 4], NULL, NULL);
+		if (sfd[i] < 0) {
+			printf("accept failed\n");
+			goto out;
+		}
+	}
+
+	/* Test sockmap with connected sockets */
+	fd = bpf_map_create(BPF_MAP_TYPE_SOCKMAP, NULL,
+			    sizeof(key), sizeof(value),
+			    6, NULL);
+	if (fd < 0) {
+		if (!libbpf_probe_bpf_map_type(BPF_MAP_TYPE_SOCKMAP, NULL)) {
+			printf("%s SKIP (unsupported map type BPF_MAP_TYPE_SOCKMAP)\n",
+			       __func__);
+			skips++;
+			for (i = 0; i < 6; i++)
+				close(sfd[i]);
+			return;
+		}
+
+		printf("Failed to create sockmap %i\n", fd);
+		goto out_sockmap;
+	}
+
+	/* Test update with unsupported UDP socket */
+	udp = socket(AF_INET, SOCK_DGRAM, 0);
+	i = 0;
+	err = bpf_map_update_elem(fd, &i, &udp, BPF_ANY);
+	if (err) {
+		printf("Failed socket update SOCK_DGRAM '%i:%i'\n",
+		       i, udp);
+		goto out_sockmap;
+	}
+	close(udp);
+
+	/* Test update without programs */
+	for (i = 0; i < 6; i++) {
+		err = bpf_map_update_elem(fd, &i, &sfd[i], BPF_ANY);
+		if (err) {
+			printf("Failed noprog update sockmap '%i:%i'\n",
+			       i, sfd[i]);
+			goto out_sockmap;
+		}
+	}
+
+	/* Test attaching/detaching bad fds */
+	err = bpf_prog_attach(-1, fd, BPF_SK_SKB_STREAM_PARSER, 0);
+	if (!err) {
+		printf("Failed invalid parser prog attach\n");
+		goto out_sockmap;
+	}
+
+	err = bpf_prog_attach(-1, fd, BPF_SK_SKB_STREAM_VERDICT, 0);
+	if (!err) {
+		printf("Failed invalid verdict prog attach\n");
+		goto out_sockmap;
+	}
+
+	err = bpf_prog_attach(-1, fd, BPF_SK_MSG_VERDICT, 0);
+	if (!err) {
+		printf("Failed invalid msg verdict prog attach\n");
+		goto out_sockmap;
+	}
+
+	err = bpf_prog_attach(-1, fd, __MAX_BPF_ATTACH_TYPE, 0);
+	if (!err) {
+		printf("Failed unknown prog attach\n");
+		goto out_sockmap;
+	}
+
+	err = bpf_prog_detach(fd, BPF_SK_SKB_STREAM_PARSER);
+	if (!err) {
+		printf("Failed empty parser prog detach\n");
+		goto out_sockmap;
+	}
+
+	err = bpf_prog_detach(fd, BPF_SK_SKB_STREAM_VERDICT);
+	if (!err) {
+		printf("Failed empty verdict prog detach\n");
+		goto out_sockmap;
+	}
+
+	err = bpf_prog_detach(fd, BPF_SK_MSG_VERDICT);
+	if (!err) {
+		printf("Failed empty msg verdict prog detach\n");
+		goto out_sockmap;
+	}
+
+	err = bpf_prog_detach(fd, __MAX_BPF_ATTACH_TYPE);
+	if (!err) {
+		printf("Detach invalid prog successful\n");
+		goto out_sockmap;
+	}
+
+	/* Load SK_SKB program and Attach */
+	err = bpf_prog_test_load(SOCKMAP_PARSE_PROG,
+			    BPF_PROG_TYPE_SK_SKB, &parse_obj, &parse_prog);
+	if (err) {
+		printf("Failed to load SK_SKB parse prog\n");
+		goto out_sockmap;
+	}
+
+	err = bpf_prog_test_load(SOCKMAP_TCP_MSG_PROG,
+			    BPF_PROG_TYPE_SK_MSG, &msg_obj, &msg_prog);
+	if (err) {
+		printf("Failed to load SK_SKB msg prog\n");
+		goto out_sockmap;
+	}
+
+	err = bpf_prog_test_load(SOCKMAP_VERDICT_PROG,
+			    BPF_PROG_TYPE_SK_SKB, &verdict_obj, &verdict_prog);
+	if (err) {
+		printf("Failed to load SK_SKB verdict prog\n");
+		goto out_sockmap;
+	}
+
+	bpf_map_rx = bpf_object__find_map_by_name(verdict_obj, "sock_map_rx");
+	if (!bpf_map_rx) {
+		printf("Failed to load map rx from verdict prog\n");
+		goto out_sockmap;
+	}
+
+	map_fd_rx = bpf_map__fd(bpf_map_rx);
+	if (map_fd_rx < 0) {
+		printf("Failed to get map rx fd\n");
+		goto out_sockmap;
+	}
+
+	bpf_map_tx = bpf_object__find_map_by_name(verdict_obj, "sock_map_tx");
+	if (!bpf_map_tx) {
+		printf("Failed to load map tx from verdict prog\n");
+		goto out_sockmap;
+	}
+
+	map_fd_tx = bpf_map__fd(bpf_map_tx);
+	if (map_fd_tx < 0) {
+		printf("Failed to get map tx fd\n");
+		goto out_sockmap;
+	}
+
+	bpf_map_msg = bpf_object__find_map_by_name(verdict_obj, "sock_map_msg");
+	if (!bpf_map_msg) {
+		printf("Failed to load map msg from msg_verdict prog\n");
+		goto out_sockmap;
+	}
+
+	map_fd_msg = bpf_map__fd(bpf_map_msg);
+	if (map_fd_msg < 0) {
+		printf("Failed to get map msg fd\n");
+		goto out_sockmap;
+	}
+
+	bpf_map_break = bpf_object__find_map_by_name(verdict_obj, "sock_map_break");
+	if (!bpf_map_break) {
+		printf("Failed to load map tx from verdict prog\n");
+		goto out_sockmap;
+	}
+
+	map_fd_break = bpf_map__fd(bpf_map_break);
+	if (map_fd_break < 0) {
+		printf("Failed to get map tx fd\n");
+		goto out_sockmap;
+	}
+
+	err = bpf_prog_attach(parse_prog, map_fd_break,
+			      BPF_SK_SKB_STREAM_PARSER, 0);
+	if (!err) {
+		printf("Allowed attaching SK_SKB program to invalid map\n");
+		goto out_sockmap;
+	}
+
+	err = bpf_prog_attach(parse_prog, map_fd_rx,
+		      BPF_SK_SKB_STREAM_PARSER, 0);
+	if (err) {
+		printf("Failed stream parser bpf prog attach\n");
+		goto out_sockmap;
+	}
+
+	err = bpf_prog_attach(verdict_prog, map_fd_rx,
+			      BPF_SK_SKB_STREAM_VERDICT, 0);
+	if (err) {
+		printf("Failed stream verdict bpf prog attach\n");
+		goto out_sockmap;
+	}
+
+	err = bpf_prog_attach(msg_prog, map_fd_msg, BPF_SK_MSG_VERDICT, 0);
+	if (err) {
+		printf("Failed msg verdict bpf prog attach\n");
+		goto out_sockmap;
+	}
+
+	err = bpf_prog_attach(verdict_prog, map_fd_rx,
+			      __MAX_BPF_ATTACH_TYPE, 0);
+	if (!err) {
+		printf("Attached unknown bpf prog\n");
+		goto out_sockmap;
+	}
+
+	/* Test map update elem afterwards fd lives in fd and map_fd */
+	for (i = 2; i < 6; i++) {
+		err = bpf_map_update_elem(map_fd_rx, &i, &sfd[i], BPF_ANY);
+		if (err) {
+			printf("Failed map_fd_rx update sockmap %i '%i:%i'\n",
+			       err, i, sfd[i]);
+			goto out_sockmap;
+		}
+		err = bpf_map_update_elem(map_fd_tx, &i, &sfd[i], BPF_ANY);
+		if (err) {
+			printf("Failed map_fd_tx update sockmap %i '%i:%i'\n",
+			       err, i, sfd[i]);
+			goto out_sockmap;
+		}
+	}
+
+	/* Test map delete elem and remove send/recv sockets */
+	for (i = 2; i < 4; i++) {
+		err = bpf_map_delete_elem(map_fd_rx, &i);
+		if (err) {
+			printf("Failed delete sockmap rx %i '%i:%i'\n",
+			       err, i, sfd[i]);
+			goto out_sockmap;
+		}
+		err = bpf_map_delete_elem(map_fd_tx, &i);
+		if (err) {
+			printf("Failed delete sockmap tx %i '%i:%i'\n",
+			       err, i, sfd[i]);
+			goto out_sockmap;
+		}
+	}
+
+	/* Put sfd[2] (sending fd below) into msg map to test sendmsg bpf */
+	i = 0;
+	err = bpf_map_update_elem(map_fd_msg, &i, &sfd[2], BPF_ANY);
+	if (err) {
+		printf("Failed map_fd_msg update sockmap %i\n", err);
+		goto out_sockmap;
+	}
+
+	/* Test map send/recv */
+	for (i = 0; i < 2; i++) {
+		buf[0] = i;
+		buf[1] = 0x5;
+		sc = send(sfd[2], buf, 20, 0);
+		if (sc < 0) {
+			printf("Failed sockmap send\n");
+			goto out_sockmap;
+		}
+
+		FD_ZERO(&w);
+		FD_SET(sfd[3], &w);
+		to.tv_sec = 30;
+		to.tv_usec = 0;
+		s = select(sfd[3] + 1, &w, NULL, NULL, &to);
+		if (s == -1) {
+			perror("Failed sockmap select()");
+			goto out_sockmap;
+		} else if (!s) {
+			printf("Failed sockmap unexpected timeout\n");
+			goto out_sockmap;
+		}
+
+		if (!FD_ISSET(sfd[3], &w)) {
+			printf("Failed sockmap select/recv\n");
+			goto out_sockmap;
+		}
+
+		rc = recv(sfd[3], buf, sizeof(buf), 0);
+		if (rc < 0) {
+			printf("Failed sockmap recv\n");
+			goto out_sockmap;
+		}
+	}
+
+	/* Negative null entry lookup from datapath should be dropped */
+	buf[0] = 1;
+	buf[1] = 12;
+	sc = send(sfd[2], buf, 20, 0);
+	if (sc < 0) {
+		printf("Failed sockmap send\n");
+		goto out_sockmap;
+	}
+
+	/* Push fd into same slot */
+	i = 2;
+	err = bpf_map_update_elem(fd, &i, &sfd[i], BPF_NOEXIST);
+	if (!err) {
+		printf("Failed allowed sockmap dup slot BPF_NOEXIST\n");
+		goto out_sockmap;
+	}
+
+	err = bpf_map_update_elem(fd, &i, &sfd[i], BPF_ANY);
+	if (err) {
+		printf("Failed sockmap update new slot BPF_ANY\n");
+		goto out_sockmap;
+	}
+
+	err = bpf_map_update_elem(fd, &i, &sfd[i], BPF_EXIST);
+	if (err) {
+		printf("Failed sockmap update new slot BPF_EXIST\n");
+		goto out_sockmap;
+	}
+
+	/* Delete the elems without programs */
+	for (i = 2; i < 6; i++) {
+		err = bpf_map_delete_elem(fd, &i);
+		if (err) {
+			printf("Failed delete sockmap %i '%i:%i'\n",
+			       err, i, sfd[i]);
+		}
+	}
+
+	/* Test having multiple maps open and set with programs on same fds */
+	err = bpf_prog_attach(parse_prog, fd,
+			      BPF_SK_SKB_STREAM_PARSER, 0);
+	if (err) {
+		printf("Failed fd bpf parse prog attach\n");
+		goto out_sockmap;
+	}
+	err = bpf_prog_attach(verdict_prog, fd,
+			      BPF_SK_SKB_STREAM_VERDICT, 0);
+	if (err) {
+		printf("Failed fd bpf verdict prog attach\n");
+		goto out_sockmap;
+	}
+
+	for (i = 4; i < 6; i++) {
+		err = bpf_map_update_elem(fd, &i, &sfd[i], BPF_ANY);
+		if (!err) {
+			printf("Failed allowed duplicate programs in update ANY sockmap %i '%i:%i'\n",
+			       err, i, sfd[i]);
+			goto out_sockmap;
+		}
+		err = bpf_map_update_elem(fd, &i, &sfd[i], BPF_NOEXIST);
+		if (!err) {
+			printf("Failed allowed duplicate program in update NOEXIST sockmap  %i '%i:%i'\n",
+			       err, i, sfd[i]);
+			goto out_sockmap;
+		}
+		err = bpf_map_update_elem(fd, &i, &sfd[i], BPF_EXIST);
+		if (!err) {
+			printf("Failed allowed duplicate program in update EXIST sockmap  %i '%i:%i'\n",
+			       err, i, sfd[i]);
+			goto out_sockmap;
+		}
+	}
+
+	/* Test tasks number of forked operations */
+	for (i = 0; i < tasks; i++) {
+		pid[i] = fork();
+		if (pid[i] == 0) {
+			for (i = 0; i < 6; i++) {
+				bpf_map_delete_elem(map_fd_tx, &i);
+				bpf_map_delete_elem(map_fd_rx, &i);
+				bpf_map_update_elem(map_fd_tx, &i,
+						    &sfd[i], BPF_ANY);
+				bpf_map_update_elem(map_fd_rx, &i,
+						    &sfd[i], BPF_ANY);
+			}
+			exit(0);
+		} else if (pid[i] == -1) {
+			printf("Couldn't spawn #%d process!\n", i);
+			exit(1);
+		}
+	}
+
+	for (i = 0; i < tasks; i++) {
+		int status;
+
+		assert(waitpid(pid[i], &status, 0) == pid[i]);
+		assert(status == 0);
+	}
+
+	err = bpf_prog_detach2(parse_prog, map_fd_rx, __MAX_BPF_ATTACH_TYPE);
+	if (!err) {
+		printf("Detached an invalid prog type.\n");
+		goto out_sockmap;
+	}
+
+	err = bpf_prog_detach2(parse_prog, map_fd_rx, BPF_SK_SKB_STREAM_PARSER);
+	if (err) {
+		printf("Failed parser prog detach\n");
+		goto out_sockmap;
+	}
+
+	err = bpf_prog_detach2(verdict_prog, map_fd_rx, BPF_SK_SKB_STREAM_VERDICT);
+	if (err) {
+		printf("Failed parser prog detach\n");
+		goto out_sockmap;
+	}
+
+	/* Test map close sockets and empty maps */
+	for (i = 0; i < 6; i++) {
+		bpf_map_delete_elem(map_fd_tx, &i);
+		bpf_map_delete_elem(map_fd_rx, &i);
+		close(sfd[i]);
+	}
+	close(fd);
+	close(map_fd_rx);
+	bpf_object__close(parse_obj);
+	bpf_object__close(msg_obj);
+	bpf_object__close(verdict_obj);
+	return;
+out:
+	for (i = 0; i < 6; i++)
+		close(sfd[i]);
+	printf("Failed to create sockmap '%i:%s'!\n", i, strerror(errno));
+	exit(1);
+out_sockmap:
+	for (i = 0; i < 6; i++) {
+		if (map_fd_tx)
+			bpf_map_delete_elem(map_fd_tx, &i);
+		if (map_fd_rx)
+			bpf_map_delete_elem(map_fd_rx, &i);
+		close(sfd[i]);
+	}
+	close(fd);
+	exit(1);
+}
+
+#define MAPINMAP_PROG "./test_map_in_map.bpf.o"
+#define MAPINMAP_INVALID_PROG "./test_map_in_map_invalid.bpf.o"
+static void test_map_in_map(void)
+{
+	struct bpf_object *obj;
+	struct bpf_map *map;
+	int mim_fd, fd, err;
+	int pos = 0;
+	struct bpf_map_info info = {};
+	__u32 len = sizeof(info);
+	__u32 id = 0;
+	libbpf_print_fn_t old_print_fn;
+
+	obj = bpf_object__open(MAPINMAP_PROG);
+
+	fd = bpf_map_create(BPF_MAP_TYPE_HASH, NULL, sizeof(int), sizeof(int), 2, NULL);
+	if (fd < 0) {
+		printf("Failed to create hashmap '%s'!\n", strerror(errno));
+		exit(1);
+	}
+
+	map = bpf_object__find_map_by_name(obj, "mim_array");
+	if (!map) {
+		printf("Failed to load array of maps from test prog\n");
+		goto out_map_in_map;
+	}
+	err = bpf_map__set_inner_map_fd(map, fd);
+	if (err) {
+		printf("Failed to set inner_map_fd for array of maps\n");
+		goto out_map_in_map;
+	}
+
+	map = bpf_object__find_map_by_name(obj, "mim_hash");
+	if (!map) {
+		printf("Failed to load hash of maps from test prog\n");
+		goto out_map_in_map;
+	}
+	err = bpf_map__set_inner_map_fd(map, fd);
+	if (err) {
+		printf("Failed to set inner_map_fd for hash of maps\n");
+		goto out_map_in_map;
+	}
+
+	bpf_object__load(obj);
+
+	map = bpf_object__find_map_by_name(obj, "mim_array");
+	if (!map) {
+		printf("Failed to load array of maps from test prog\n");
+		goto out_map_in_map;
+	}
+	mim_fd = bpf_map__fd(map);
+	if (mim_fd < 0) {
+		printf("Failed to get descriptor for array of maps\n");
+		goto out_map_in_map;
+	}
+
+	err = bpf_map_update_elem(mim_fd, &pos, &fd, 0);
+	if (err) {
+		printf("Failed to update array of maps\n");
+		goto out_map_in_map;
+	}
+
+	map = bpf_object__find_map_by_name(obj, "mim_hash");
+	if (!map) {
+		printf("Failed to load hash of maps from test prog\n");
+		goto out_map_in_map;
+	}
+	mim_fd = bpf_map__fd(map);
+	if (mim_fd < 0) {
+		printf("Failed to get descriptor for hash of maps\n");
+		goto out_map_in_map;
+	}
+
+	err = bpf_map_update_elem(mim_fd, &pos, &fd, 0);
+	if (err) {
+		printf("Failed to update hash of maps\n");
+		goto out_map_in_map;
+	}
+
+	close(fd);
+	fd = -1;
+	bpf_object__close(obj);
+
+	/* Test that failing bpf_object__create_map() destroys the inner map */
+	obj = bpf_object__open(MAPINMAP_INVALID_PROG);
+	err = libbpf_get_error(obj);
+	if (err) {
+		printf("Failed to load %s program: %d %d",
+		       MAPINMAP_INVALID_PROG, err, errno);
+		goto out_map_in_map;
+	}
+
+	map = bpf_object__find_map_by_name(obj, "mim");
+	if (!map) {
+		printf("Failed to load array of maps from test prog\n");
+		goto out_map_in_map;
+	}
+
+	old_print_fn = libbpf_set_print(NULL);
+
+	err = bpf_object__load(obj);
+	if (!err) {
+		printf("Loading obj supposed to fail\n");
+		goto out_map_in_map;
+	}
+
+	libbpf_set_print(old_print_fn);
+
+	/* Iterate over all maps to check whether the internal map
+	 * ("mim.internal") has been destroyed.
+	 */
+	while (true) {
+		err = bpf_map_get_next_id(id, &id);
+		if (err) {
+			if (errno == ENOENT)
+				break;
+			printf("Failed to get next map: %d", errno);
+			goto out_map_in_map;
+		}
+
+		fd = bpf_map_get_fd_by_id(id);
+		if (fd < 0) {
+			if (errno == ENOENT)
+				continue;
+			printf("Failed to get map by id %u: %d", id, errno);
+			goto out_map_in_map;
+		}
+
+		err = bpf_obj_get_info_by_fd(fd, &info, &len);
+		if (err) {
+			printf("Failed to get map info by fd %d: %d", fd,
+			       errno);
+			goto out_map_in_map;
+		}
+
+		if (!strcmp(info.name, "mim.inner")) {
+			printf("Inner map mim.inner was not destroyed\n");
+			goto out_map_in_map;
+		}
+
+		close(fd);
+	}
+
+	bpf_object__close(obj);
+	return;
+
+out_map_in_map:
+	if (fd >= 0)
+		close(fd);
+	exit(1);
+}
+
+#define MAP_SIZE (32 * 1024)
+
+static void test_map_large(void)
+{
+
+	struct bigkey {
+		int a;
+		char b[4096];
+		long long c;
+	} key;
+	int fd, i, value;
+
+	fd = bpf_map_create(BPF_MAP_TYPE_HASH, NULL, sizeof(key), sizeof(value),
+			    MAP_SIZE, &map_opts);
+	if (fd < 0) {
+		printf("Failed to create large map '%s'!\n", strerror(errno));
+		exit(1);
+	}
+
+	for (i = 0; i < MAP_SIZE; i++) {
+		key = (struct bigkey) { .c = i };
+		value = i;
+
+		assert(bpf_map_update_elem(fd, &key, &value, BPF_NOEXIST) == 0);
+	}
+
+	key.c = -1;
+	assert(bpf_map_update_elem(fd, &key, &value, BPF_NOEXIST) < 0 &&
+	       errno == E2BIG);
+
+	/* Iterate through all elements. */
+	assert(bpf_map_get_next_key(fd, NULL, &key) == 0);
+	key.c = -1;
+	for (i = 0; i < MAP_SIZE; i++)
+		assert(bpf_map_get_next_key(fd, &key, &key) == 0);
+	assert(bpf_map_get_next_key(fd, &key, &key) < 0 && errno == ENOENT);
+
+	key.c = 0;
+	assert(bpf_map_lookup_elem(fd, &key, &value) == 0 && value == 0);
+	key.a = 1;
+	assert(bpf_map_lookup_elem(fd, &key, &value) < 0 && errno == ENOENT);
+
+	close(fd);
+}
+
+#define run_parallel(N, FN, DATA) \
+	printf("Fork %u tasks to '" #FN "'\n", N); \
+	__run_parallel(N, FN, DATA)
+
+static void __run_parallel(unsigned int tasks,
+			   void (*fn)(unsigned int task, void *data),
+			   void *data)
+{
+	pid_t pid[tasks];
+	int i;
+
+	fflush(stdout);
+
+	for (i = 0; i < tasks; i++) {
+		pid[i] = fork();
+		if (pid[i] == 0) {
+			fn(i, data);
+			exit(0);
+		} else if (pid[i] == -1) {
+			printf("Couldn't spawn #%d process!\n", i);
+			exit(1);
+		}
+	}
+
+	for (i = 0; i < tasks; i++) {
+		int status;
+
+		assert(waitpid(pid[i], &status, 0) == pid[i]);
+		assert(status == 0);
+	}
+}
+
+static void test_map_stress(void)
+{
+	run_parallel(100, test_hashmap_walk, NULL);
+	run_parallel(100, test_hashmap, NULL);
+	run_parallel(100, test_hashmap_percpu, NULL);
+	run_parallel(100, test_hashmap_sizes, NULL);
+
+	run_parallel(100, test_arraymap, NULL);
+	run_parallel(100, test_arraymap_percpu, NULL);
+}
+
+#define TASKS 100
+
+#define DO_UPDATE 1
+#define DO_DELETE 0
+
+#define MAP_RETRIES 20
+#define MAX_DELAY_US 50000
+#define MIN_DELAY_RANGE_US 5000
+
+static int map_update_retriable(int map_fd, const void *key, const void *value,
+				int flags, int attempts)
+{
+	int delay = rand() % MIN_DELAY_RANGE_US;
+
+	while (bpf_map_update_elem(map_fd, key, value, flags)) {
+		if (!attempts || (errno != EAGAIN && errno != EBUSY))
+			return -errno;
+
+		if (delay <= MAX_DELAY_US / 2)
+			delay *= 2;
+
+		usleep(delay);
+		attempts--;
+	}
+
+	return 0;
+}
+
+static int map_delete_retriable(int map_fd, const void *key, int attempts)
+{
+	int delay = rand() % MIN_DELAY_RANGE_US;
+
+	while (bpf_map_delete_elem(map_fd, key)) {
+		if (!attempts || (errno != EAGAIN && errno != EBUSY))
+			return -errno;
+
+		if (delay <= MAX_DELAY_US / 2)
+			delay *= 2;
+
+		usleep(delay);
+		attempts--;
+	}
+
+	return 0;
+}
+
+static void test_update_delete(unsigned int fn, void *data)
+{
+	int do_update = ((int *)data)[1];
+	int fd = ((int *)data)[0];
+	int i, key, value, err;
+
+	if (fn & 1)
+		test_hashmap_walk(fn, NULL);
+	for (i = fn; i < MAP_SIZE; i += TASKS) {
+		key = value = i;
+
+		if (do_update) {
+			err = map_update_retriable(fd, &key, &value, BPF_NOEXIST, MAP_RETRIES);
+			if (err)
+				printf("error %d %d\n", err, errno);
+			assert(err == 0);
+			err = map_update_retriable(fd, &key, &value, BPF_EXIST, MAP_RETRIES);
+			if (err)
+				printf("error %d %d\n", err, errno);
+			assert(err == 0);
+		} else {
+			err = map_delete_retriable(fd, &key, MAP_RETRIES);
+			if (err)
+				printf("error %d %d\n", err, errno);
+			assert(err == 0);
+		}
+	}
+}
+
+static void test_map_parallel(void)
+{
+	int i, fd, key = 0, value = 0, j = 0;
+	int data[2];
+
+	fd = bpf_map_create(BPF_MAP_TYPE_HASH, NULL, sizeof(key), sizeof(value),
+			    MAP_SIZE, &map_opts);
+	if (fd < 0) {
+		printf("Failed to create map for parallel test '%s'!\n",
+		       strerror(errno));
+		exit(1);
+	}
+
+again:
+	/* Use the same fd in children to add elements to this map:
+	 * child_0 adds key=0, key=1024, key=2048, ...
+	 * child_1 adds key=1, key=1025, key=2049, ...
+	 * child_1023 adds key=1023, ...
+	 */
+	data[0] = fd;
+	data[1] = DO_UPDATE;
+	run_parallel(TASKS, test_update_delete, data);
+
+	/* Check that key=0 is already there. */
+	assert(bpf_map_update_elem(fd, &key, &value, BPF_NOEXIST) < 0 &&
+	       errno == EEXIST);
+
+	/* Check that all elements were inserted. */
+	assert(bpf_map_get_next_key(fd, NULL, &key) == 0);
+	key = -1;
+	for (i = 0; i < MAP_SIZE; i++)
+		assert(bpf_map_get_next_key(fd, &key, &key) == 0);
+	assert(bpf_map_get_next_key(fd, &key, &key) < 0 && errno == ENOENT);
+
+	/* Another check for all elements */
+	for (i = 0; i < MAP_SIZE; i++) {
+		key = MAP_SIZE - i - 1;
+
+		assert(bpf_map_lookup_elem(fd, &key, &value) == 0 &&
+		       value == key);
+	}
+
+	/* Now let's delete all elemenets in parallel. */
+	data[1] = DO_DELETE;
+	run_parallel(TASKS, test_update_delete, data);
+
+	/* Nothing should be left. */
+	key = -1;
+	assert(bpf_map_get_next_key(fd, NULL, &key) < 0 && errno == ENOENT);
+	assert(bpf_map_get_next_key(fd, &key, &key) < 0 && errno == ENOENT);
+
+	key = 0;
+	bpf_map_delete_elem(fd, &key);
+	if (j++ < 5)
+		goto again;
+	close(fd);
+}
+
+static void test_map_rdonly(void)
+{
+	int fd, key = 0, value = 0;
+	__u32 old_flags;
+
+	old_flags = map_opts.map_flags;
+	map_opts.map_flags |= BPF_F_RDONLY;
+	fd = bpf_map_create(BPF_MAP_TYPE_HASH, NULL, sizeof(key), sizeof(value),
+			    MAP_SIZE, &map_opts);
+	map_opts.map_flags = old_flags;
+	if (fd < 0) {
+		printf("Failed to create map for read only test '%s'!\n",
+		       strerror(errno));
+		exit(1);
+	}
+
+	key = 1;
+	value = 1234;
+	/* Try to insert key=1 element. */
+	assert(bpf_map_update_elem(fd, &key, &value, BPF_ANY) < 0 &&
+	       errno == EPERM);
+
+	/* Check that key=1 is not found. */
+	assert(bpf_map_lookup_elem(fd, &key, &value) < 0 && errno == ENOENT);
+	assert(bpf_map_get_next_key(fd, &key, &value) < 0 && errno == ENOENT);
+
+	close(fd);
+}
+
+static void test_map_wronly_hash(void)
+{
+	int fd, key = 0, value = 0;
+	__u32 old_flags;
+
+	old_flags = map_opts.map_flags;
+	map_opts.map_flags |= BPF_F_WRONLY;
+	fd = bpf_map_create(BPF_MAP_TYPE_HASH, NULL, sizeof(key), sizeof(value),
+			    MAP_SIZE, &map_opts);
+	map_opts.map_flags = old_flags;
+	if (fd < 0) {
+		printf("Failed to create map for write only test '%s'!\n",
+		       strerror(errno));
+		exit(1);
+	}
+
+	key = 1;
+	value = 1234;
+	/* Insert key=1 element. */
+	assert(bpf_map_update_elem(fd, &key, &value, BPF_ANY) == 0);
+
+	/* Check that reading elements and keys from the map is not allowed. */
+	assert(bpf_map_lookup_elem(fd, &key, &value) < 0 && errno == EPERM);
+	assert(bpf_map_get_next_key(fd, &key, &value) < 0 && errno == EPERM);
+
+	close(fd);
+}
+
+static void test_map_wronly_stack_or_queue(enum bpf_map_type map_type)
+{
+	int fd, value = 0;
+	__u32 old_flags;
+
+
+	assert(map_type == BPF_MAP_TYPE_QUEUE ||
+	       map_type == BPF_MAP_TYPE_STACK);
+	old_flags = map_opts.map_flags;
+	map_opts.map_flags |= BPF_F_WRONLY;
+	fd = bpf_map_create(map_type, NULL, 0, sizeof(value), MAP_SIZE, &map_opts);
+	map_opts.map_flags = old_flags;
+	/* Stack/Queue maps do not support BPF_F_NO_PREALLOC */
+	if (map_opts.map_flags & BPF_F_NO_PREALLOC) {
+		assert(fd < 0 && errno == EINVAL);
+		return;
+	}
+	if (fd < 0) {
+		printf("Failed to create map '%s'!\n", strerror(errno));
+		exit(1);
+	}
+
+	value = 1234;
+	assert(bpf_map_update_elem(fd, NULL, &value, BPF_ANY) == 0);
+
+	/* Peek element should fail */
+	assert(bpf_map_lookup_elem(fd, NULL, &value) < 0 && errno == EPERM);
+
+	/* Pop element should fail */
+	assert(bpf_map_lookup_and_delete_elem(fd, NULL, &value) < 0 &&
+	       errno == EPERM);
+
+	close(fd);
+}
+
+static void test_map_wronly(void)
+{
+	test_map_wronly_hash();
+	test_map_wronly_stack_or_queue(BPF_MAP_TYPE_STACK);
+	test_map_wronly_stack_or_queue(BPF_MAP_TYPE_QUEUE);
+}
+
+static void prepare_reuseport_grp(int type, int map_fd, size_t map_elem_size,
+				  __s64 *fds64, __u64 *sk_cookies,
+				  unsigned int n)
+{
+	socklen_t optlen, addrlen;
+	struct sockaddr_in6 s6;
+	const __u32 index0 = 0;
+	const int optval = 1;
+	unsigned int i;
+	u64 sk_cookie;
+	void *value;
+	__s32 fd32;
+	__s64 fd64;
+	int err;
+
+	s6.sin6_family = AF_INET6;
+	s6.sin6_addr = in6addr_any;
+	s6.sin6_port = 0;
+	addrlen = sizeof(s6);
+	optlen = sizeof(sk_cookie);
+
+	for (i = 0; i < n; i++) {
+		fd64 = socket(AF_INET6, type, 0);
+		CHECK(fd64 == -1, "socket()",
+		      "sock_type:%d fd64:%lld errno:%d\n",
+		      type, fd64, errno);
+
+		err = setsockopt(fd64, SOL_SOCKET, SO_REUSEPORT,
+				 &optval, sizeof(optval));
+		CHECK(err == -1, "setsockopt(SO_REUSEPORT)",
+		      "err:%d errno:%d\n", err, errno);
+
+		/* reuseport_array does not allow unbound sk */
+		if (map_elem_size == sizeof(__u64))
+			value = &fd64;
+		else {
+			assert(map_elem_size == sizeof(__u32));
+			fd32 = (__s32)fd64;
+			value = &fd32;
+		}
+		err = bpf_map_update_elem(map_fd, &index0, value, BPF_ANY);
+		CHECK(err >= 0 || errno != EINVAL,
+		      "reuseport array update unbound sk",
+		      "sock_type:%d err:%d errno:%d\n",
+		      type, err, errno);
+
+		err = bind(fd64, (struct sockaddr *)&s6, sizeof(s6));
+		CHECK(err == -1, "bind()",
+		      "sock_type:%d err:%d errno:%d\n", type, err, errno);
+
+		if (i == 0) {
+			err = getsockname(fd64, (struct sockaddr *)&s6,
+					  &addrlen);
+			CHECK(err == -1, "getsockname()",
+			      "sock_type:%d err:%d errno:%d\n",
+			      type, err, errno);
+		}
+
+		err = getsockopt(fd64, SOL_SOCKET, SO_COOKIE, &sk_cookie,
+				 &optlen);
+		CHECK(err == -1, "getsockopt(SO_COOKIE)",
+		      "sock_type:%d err:%d errno:%d\n", type, err, errno);
+
+		if (type == SOCK_STREAM) {
+			/*
+			 * reuseport_array does not allow
+			 * non-listening tcp sk.
+			 */
+			err = bpf_map_update_elem(map_fd, &index0, value,
+						  BPF_ANY);
+			CHECK(err >= 0 || errno != EINVAL,
+			      "reuseport array update non-listening sk",
+			      "sock_type:%d err:%d errno:%d\n",
+			      type, err, errno);
+			err = listen(fd64, 0);
+			CHECK(err == -1, "listen()",
+			      "sock_type:%d, err:%d errno:%d\n",
+			      type, err, errno);
+		}
+
+		fds64[i] = fd64;
+		sk_cookies[i] = sk_cookie;
+	}
+}
+
+static void test_reuseport_array(void)
+{
+#define REUSEPORT_FD_IDX(err, last) ({ (err) ? last : !last; })
+
+	const __u32 array_size = 4, index0 = 0, index3 = 3;
+	int types[2] = { SOCK_STREAM, SOCK_DGRAM }, type;
+	__u64 grpa_cookies[2], sk_cookie, map_cookie;
+	__s64 grpa_fds64[2] = { -1, -1 }, fd64 = -1;
+	const __u32 bad_index = array_size;
+	int map_fd, err, t, f;
+	__u32 fds_idx = 0;
+	int fd;
+
+	map_fd = bpf_map_create(BPF_MAP_TYPE_REUSEPORT_SOCKARRAY, NULL,
+				sizeof(__u32), sizeof(__u64), array_size, NULL);
+	CHECK(map_fd < 0, "reuseport array create",
+	      "map_fd:%d, errno:%d\n", map_fd, errno);
+
+	/* Test lookup/update/delete with invalid index */
+	err = bpf_map_delete_elem(map_fd, &bad_index);
+	CHECK(err >= 0 || errno != E2BIG, "reuseport array del >=max_entries",
+	      "err:%d errno:%d\n", err, errno);
+
+	err = bpf_map_update_elem(map_fd, &bad_index, &fd64, BPF_ANY);
+	CHECK(err >= 0 || errno != E2BIG,
+	      "reuseport array update >=max_entries",
+	      "err:%d errno:%d\n", err, errno);
+
+	err = bpf_map_lookup_elem(map_fd, &bad_index, &map_cookie);
+	CHECK(err >= 0 || errno != ENOENT,
+	      "reuseport array update >=max_entries",
+	      "err:%d errno:%d\n", err, errno);
+
+	/* Test lookup/delete non existence elem */
+	err = bpf_map_lookup_elem(map_fd, &index3, &map_cookie);
+	CHECK(err >= 0 || errno != ENOENT,
+	      "reuseport array lookup not-exist elem",
+	      "err:%d errno:%d\n", err, errno);
+	err = bpf_map_delete_elem(map_fd, &index3);
+	CHECK(err >= 0 || errno != ENOENT,
+	      "reuseport array del not-exist elem",
+	      "err:%d errno:%d\n", err, errno);
+
+	for (t = 0; t < ARRAY_SIZE(types); t++) {
+		type = types[t];
+
+		prepare_reuseport_grp(type, map_fd, sizeof(__u64), grpa_fds64,
+				      grpa_cookies, ARRAY_SIZE(grpa_fds64));
+
+		/* Test BPF_* update flags */
+		/* BPF_EXIST failure case */
+		err = bpf_map_update_elem(map_fd, &index3, &grpa_fds64[fds_idx],
+					  BPF_EXIST);
+		CHECK(err >= 0 || errno != ENOENT,
+		      "reuseport array update empty elem BPF_EXIST",
+		      "sock_type:%d err:%d errno:%d\n",
+		      type, err, errno);
+		fds_idx = REUSEPORT_FD_IDX(err, fds_idx);
+
+		/* BPF_NOEXIST success case */
+		err = bpf_map_update_elem(map_fd, &index3, &grpa_fds64[fds_idx],
+					  BPF_NOEXIST);
+		CHECK(err < 0,
+		      "reuseport array update empty elem BPF_NOEXIST",
+		      "sock_type:%d err:%d errno:%d\n",
+		      type, err, errno);
+		fds_idx = REUSEPORT_FD_IDX(err, fds_idx);
+
+		/* BPF_EXIST success case. */
+		err = bpf_map_update_elem(map_fd, &index3, &grpa_fds64[fds_idx],
+					  BPF_EXIST);
+		CHECK(err < 0,
+		      "reuseport array update same elem BPF_EXIST",
+		      "sock_type:%d err:%d errno:%d\n", type, err, errno);
+		fds_idx = REUSEPORT_FD_IDX(err, fds_idx);
+
+		/* BPF_NOEXIST failure case */
+		err = bpf_map_update_elem(map_fd, &index3, &grpa_fds64[fds_idx],
+					  BPF_NOEXIST);
+		CHECK(err >= 0 || errno != EEXIST,
+		      "reuseport array update non-empty elem BPF_NOEXIST",
+		      "sock_type:%d err:%d errno:%d\n",
+		      type, err, errno);
+		fds_idx = REUSEPORT_FD_IDX(err, fds_idx);
+
+		/* BPF_ANY case (always succeed) */
+		err = bpf_map_update_elem(map_fd, &index3, &grpa_fds64[fds_idx],
+					  BPF_ANY);
+		CHECK(err < 0,
+		      "reuseport array update same sk with BPF_ANY",
+		      "sock_type:%d err:%d errno:%d\n", type, err, errno);
+
+		fd64 = grpa_fds64[fds_idx];
+		sk_cookie = grpa_cookies[fds_idx];
+
+		/* The same sk cannot be added to reuseport_array twice */
+		err = bpf_map_update_elem(map_fd, &index3, &fd64, BPF_ANY);
+		CHECK(err >= 0 || errno != EBUSY,
+		      "reuseport array update same sk with same index",
+		      "sock_type:%d err:%d errno:%d\n",
+		      type, err, errno);
+
+		err = bpf_map_update_elem(map_fd, &index0, &fd64, BPF_ANY);
+		CHECK(err >= 0 || errno != EBUSY,
+		      "reuseport array update same sk with different index",
+		      "sock_type:%d err:%d errno:%d\n",
+		      type, err, errno);
+
+		/* Test delete elem */
+		err = bpf_map_delete_elem(map_fd, &index3);
+		CHECK(err < 0, "reuseport array delete sk",
+		      "sock_type:%d err:%d errno:%d\n",
+		      type, err, errno);
+
+		/* Add it back with BPF_NOEXIST */
+		err = bpf_map_update_elem(map_fd, &index3, &fd64, BPF_NOEXIST);
+		CHECK(err < 0,
+		      "reuseport array re-add with BPF_NOEXIST after del",
+		      "sock_type:%d err:%d errno:%d\n", type, err, errno);
+
+		/* Test cookie */
+		err = bpf_map_lookup_elem(map_fd, &index3, &map_cookie);
+		CHECK(err < 0 || sk_cookie != map_cookie,
+		      "reuseport array lookup re-added sk",
+		      "sock_type:%d err:%d errno:%d sk_cookie:0x%llx map_cookie:0x%llxn",
+		      type, err, errno, sk_cookie, map_cookie);
+
+		/* Test elem removed by close() */
+		for (f = 0; f < ARRAY_SIZE(grpa_fds64); f++)
+			close(grpa_fds64[f]);
+		err = bpf_map_lookup_elem(map_fd, &index3, &map_cookie);
+		CHECK(err >= 0 || errno != ENOENT,
+		      "reuseport array lookup after close()",
+		      "sock_type:%d err:%d errno:%d\n",
+		      type, err, errno);
+	}
+
+	/* Test SOCK_RAW */
+	fd64 = socket(AF_INET6, SOCK_RAW, IPPROTO_UDP);
+	CHECK(fd64 == -1, "socket(SOCK_RAW)", "err:%d errno:%d\n",
+	      err, errno);
+	err = bpf_map_update_elem(map_fd, &index3, &fd64, BPF_NOEXIST);
+	CHECK(err >= 0 || errno != ENOTSUPP, "reuseport array update SOCK_RAW",
+	      "err:%d errno:%d\n", err, errno);
+	close(fd64);
+
+	/* Close the 64 bit value map */
+	close(map_fd);
+
+	/* Test 32 bit fd */
+	map_fd = bpf_map_create(BPF_MAP_TYPE_REUSEPORT_SOCKARRAY, NULL,
+				sizeof(__u32), sizeof(__u32), array_size, NULL);
+	CHECK(map_fd < 0, "reuseport array create",
+	      "map_fd:%d, errno:%d\n", map_fd, errno);
+	prepare_reuseport_grp(SOCK_STREAM, map_fd, sizeof(__u32), &fd64,
+			      &sk_cookie, 1);
+	fd = fd64;
+	err = bpf_map_update_elem(map_fd, &index3, &fd, BPF_NOEXIST);
+	CHECK(err < 0, "reuseport array update 32 bit fd",
+	      "err:%d errno:%d\n", err, errno);
+	err = bpf_map_lookup_elem(map_fd, &index3, &map_cookie);
+	CHECK(err >= 0 || errno != ENOSPC,
+	      "reuseport array lookup 32 bit fd",
+	      "err:%d errno:%d\n", err, errno);
+	close(fd);
+	close(map_fd);
+}
+
+static void run_all_tests(void)
+{
+	test_hashmap(0, NULL);
+	test_hashmap_percpu(0, NULL);
+	test_hashmap_walk(0, NULL);
+	test_hashmap_zero_seed();
+
+	test_arraymap(0, NULL);
+	test_arraymap_percpu(0, NULL);
+
+	test_arraymap_percpu_many_keys();
+
+	test_devmap(0, NULL);
+	test_devmap_hash(0, NULL);
+	test_sockmap(0, NULL);
+
+	test_map_large();
+	test_map_parallel();
+	test_map_stress();
+
+	test_map_rdonly();
+	test_map_wronly();
+
+	test_reuseport_array();
+
+	test_queuemap(0, NULL);
+	test_stackmap(0, NULL);
+
+	test_map_in_map();
+}
+
+#define DEFINE_TEST(name) extern void test_##name(void);
+#include <map_tests/tests.h>
+#undef DEFINE_TEST
+
+int main(void)
+{
+	srand(time(NULL));
+
+	libbpf_set_strict_mode(LIBBPF_STRICT_ALL);
+
+	map_opts.map_flags = 0;
+	run_all_tests();
+
+	map_opts.map_flags = BPF_F_NO_PREALLOC;
+	run_all_tests();
+
+#define DEFINE_TEST(name) test_##name();
+#include <map_tests/tests.h>
+#undef DEFINE_TEST
+
+	printf("test_maps: OK, %d SKIPPED\n", skips);
+	return 0;
+}
diff --git a/tools/testing/selftests/bpf/test_maps.h b/tools/testing/selftests/bpf/test_maps.h
new file mode 100644
index 000000000..f6fbca761
--- /dev/null
+++ b/tools/testing/selftests/bpf/test_maps.h
@@ -0,0 +1,19 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _TEST_MAPS_H
+#define _TEST_MAPS_H
+
+#include <stdio.h>
+#include <stdlib.h>
+
+#define CHECK(condition, tag, format...) ({				\
+	int __ret = !!(condition);					\
+	if (__ret) {							\
+		printf("%s(%d):FAIL:%s ", __func__, __LINE__, tag);	\
+		printf(format);						\
+		exit(-1);						\
+	}								\
+})
+
+extern int skips;
+
+#endif
diff --git a/tools/testing/selftests/bpf/test_offload.py b/tools/testing/selftests/bpf/test_offload.py
new file mode 100755
index 000000000..7fc15e0d2
--- /dev/null
+++ b/tools/testing/selftests/bpf/test_offload.py
@@ -0,0 +1,1406 @@
+#!/usr/bin/env python3
+
+# Copyright (C) 2017 Netronome Systems, Inc.
+# Copyright (c) 2019 Mellanox Technologies. All rights reserved
+#
+# This software is licensed under the GNU General License Version 2,
+# June 1991 as shown in the file COPYING in the top-level directory of this
+# source tree.
+#
+# THE COPYRIGHT HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS"
+# WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
+# BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+# FOR A PARTICULAR PURPOSE. THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE
+# OF THE PROGRAM IS WITH YOU. SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME
+# THE COST OF ALL NECESSARY SERVICING, REPAIR OR CORRECTION.
+
+from datetime import datetime
+import argparse
+import errno
+import json
+import os
+import pprint
+import random
+import re
+import stat
+import string
+import struct
+import subprocess
+import time
+import traceback
+
+logfile = None
+log_level = 1
+skip_extack = False
+bpf_test_dir = os.path.dirname(os.path.realpath(__file__))
+pp = pprint.PrettyPrinter()
+devs = [] # devices we created for clean up
+files = [] # files to be removed
+netns = [] # net namespaces to be removed
+
+def log_get_sec(level=0):
+    return "*" * (log_level + level)
+
+def log_level_inc(add=1):
+    global log_level
+    log_level += add
+
+def log_level_dec(sub=1):
+    global log_level
+    log_level -= sub
+
+def log_level_set(level):
+    global log_level
+    log_level = level
+
+def log(header, data, level=None):
+    """
+    Output to an optional log.
+    """
+    if logfile is None:
+        return
+    if level is not None:
+        log_level_set(level)
+
+    if not isinstance(data, str):
+        data = pp.pformat(data)
+
+    if len(header):
+        logfile.write("\n" + log_get_sec() + " ")
+        logfile.write(header)
+    if len(header) and len(data.strip()):
+        logfile.write("\n")
+    logfile.write(data)
+
+def skip(cond, msg):
+    if not cond:
+        return
+    print("SKIP: " + msg)
+    log("SKIP: " + msg, "", level=1)
+    os.sys.exit(0)
+
+def fail(cond, msg):
+    if not cond:
+        return
+    print("FAIL: " + msg)
+    tb = "".join(traceback.extract_stack().format())
+    print(tb)
+    log("FAIL: " + msg, tb, level=1)
+    os.sys.exit(1)
+
+def start_test(msg):
+    log(msg, "", level=1)
+    log_level_inc()
+    print(msg)
+
+def cmd(cmd, shell=True, include_stderr=False, background=False, fail=True):
+    """
+    Run a command in subprocess and return tuple of (retval, stdout);
+    optionally return stderr as well as third value.
+    """
+    proc = subprocess.Popen(cmd, shell=shell, stdout=subprocess.PIPE,
+                            stderr=subprocess.PIPE)
+    if background:
+        msg = "%s START: %s" % (log_get_sec(1),
+                                datetime.now().strftime("%H:%M:%S.%f"))
+        log("BKG " + proc.args, msg)
+        return proc
+
+    return cmd_result(proc, include_stderr=include_stderr, fail=fail)
+
+def cmd_result(proc, include_stderr=False, fail=False):
+    stdout, stderr = proc.communicate()
+    stdout = stdout.decode("utf-8")
+    stderr = stderr.decode("utf-8")
+    proc.stdout.close()
+    proc.stderr.close()
+
+    stderr = "\n" + stderr
+    if stderr[-1] == "\n":
+        stderr = stderr[:-1]
+
+    sec = log_get_sec(1)
+    log("CMD " + proc.args,
+        "RETCODE: %d\n%s STDOUT:\n%s%s STDERR:%s\n%s END: %s" %
+        (proc.returncode, sec, stdout, sec, stderr,
+         sec, datetime.now().strftime("%H:%M:%S.%f")))
+
+    if proc.returncode != 0 and fail:
+        if len(stderr) > 0 and stderr[-1] == "\n":
+            stderr = stderr[:-1]
+        raise Exception("Command failed: %s\n%s" % (proc.args, stderr))
+
+    if include_stderr:
+        return proc.returncode, stdout, stderr
+    else:
+        return proc.returncode, stdout
+
+def rm(f):
+    cmd("rm -f %s" % (f))
+    if f in files:
+        files.remove(f)
+
+def tool(name, args, flags, JSON=True, ns="", fail=True, include_stderr=False):
+    params = ""
+    if JSON:
+        params += "%s " % (flags["json"])
+
+    if ns != "":
+        ns = "ip netns exec %s " % (ns)
+
+    if include_stderr:
+        ret, stdout, stderr = cmd(ns + name + " " + params + args,
+                                  fail=fail, include_stderr=True)
+    else:
+        ret, stdout = cmd(ns + name + " " + params + args,
+                          fail=fail, include_stderr=False)
+
+    if JSON and len(stdout.strip()) != 0:
+        out = json.loads(stdout)
+    else:
+        out = stdout
+
+    if include_stderr:
+        return ret, out, stderr
+    else:
+        return ret, out
+
+def bpftool(args, JSON=True, ns="", fail=True, include_stderr=False):
+    return tool("bpftool", args, {"json":"-p"}, JSON=JSON, ns=ns,
+                fail=fail, include_stderr=include_stderr)
+
+def bpftool_prog_list(expected=None, ns=""):
+    _, progs = bpftool("prog show", JSON=True, ns=ns, fail=True)
+    # Remove the base progs
+    for p in base_progs:
+        if p in progs:
+            progs.remove(p)
+    if expected is not None:
+        if len(progs) != expected:
+            fail(True, "%d BPF programs loaded, expected %d" %
+                 (len(progs), expected))
+    return progs
+
+def bpftool_map_list(expected=None, ns=""):
+    _, maps = bpftool("map show", JSON=True, ns=ns, fail=True)
+    # Remove the base maps
+    maps = [m for m in maps if m not in base_maps and m.get('name') and m.get('name') not in base_map_names]
+    if expected is not None:
+        if len(maps) != expected:
+            fail(True, "%d BPF maps loaded, expected %d" %
+                 (len(maps), expected))
+    return maps
+
+def bpftool_prog_list_wait(expected=0, n_retry=20):
+    for i in range(n_retry):
+        nprogs = len(bpftool_prog_list())
+        if nprogs == expected:
+            return
+        time.sleep(0.05)
+    raise Exception("Time out waiting for program counts to stabilize want %d, have %d" % (expected, nprogs))
+
+def bpftool_map_list_wait(expected=0, n_retry=20):
+    for i in range(n_retry):
+        nmaps = len(bpftool_map_list())
+        if nmaps == expected:
+            return
+        time.sleep(0.05)
+    raise Exception("Time out waiting for map counts to stabilize want %d, have %d" % (expected, nmaps))
+
+def bpftool_prog_load(sample, file_name, maps=[], prog_type="xdp", dev=None,
+                      fail=True, include_stderr=False):
+    args = "prog load %s %s" % (os.path.join(bpf_test_dir, sample), file_name)
+    if prog_type is not None:
+        args += " type " + prog_type
+    if dev is not None:
+        args += " dev " + dev
+    if len(maps):
+        args += " map " + " map ".join(maps)
+
+    res = bpftool(args, fail=fail, include_stderr=include_stderr)
+    if res[0] == 0:
+        files.append(file_name)
+    return res
+
+def ip(args, force=False, JSON=True, ns="", fail=True, include_stderr=False):
+    if force:
+        args = "-force " + args
+    return tool("ip", args, {"json":"-j"}, JSON=JSON, ns=ns,
+                fail=fail, include_stderr=include_stderr)
+
+def tc(args, JSON=True, ns="", fail=True, include_stderr=False):
+    return tool("tc", args, {"json":"-p"}, JSON=JSON, ns=ns,
+                fail=fail, include_stderr=include_stderr)
+
+def ethtool(dev, opt, args, fail=True):
+    return cmd("ethtool %s %s %s" % (opt, dev["ifname"], args), fail=fail)
+
+def bpf_obj(name, sec=".text", path=bpf_test_dir,):
+    return "obj %s sec %s" % (os.path.join(path, name), sec)
+
+def bpf_pinned(name):
+    return "pinned %s" % (name)
+
+def bpf_bytecode(bytecode):
+    return "bytecode \"%s\"" % (bytecode)
+
+def mknetns(n_retry=10):
+    for i in range(n_retry):
+        name = ''.join([random.choice(string.ascii_letters) for i in range(8)])
+        ret, _ = ip("netns add %s" % (name), fail=False)
+        if ret == 0:
+            netns.append(name)
+            return name
+    return None
+
+def int2str(fmt, val):
+    ret = []
+    for b in struct.pack(fmt, val):
+        ret.append(int(b))
+    return " ".join(map(lambda x: str(x), ret))
+
+def str2int(strtab):
+    inttab = []
+    for i in strtab:
+        inttab.append(int(i, 16))
+    ba = bytearray(inttab)
+    if len(strtab) == 4:
+        fmt = "I"
+    elif len(strtab) == 8:
+        fmt = "Q"
+    else:
+        raise Exception("String array of len %d can't be unpacked to an int" %
+                        (len(strtab)))
+    return struct.unpack(fmt, ba)[0]
+
+class DebugfsDir:
+    """
+    Class for accessing DebugFS directories as a dictionary.
+    """
+
+    def __init__(self, path):
+        self.path = path
+        self._dict = self._debugfs_dir_read(path)
+
+    def __len__(self):
+        return len(self._dict.keys())
+
+    def __getitem__(self, key):
+        if type(key) is int:
+            key = list(self._dict.keys())[key]
+        return self._dict[key]
+
+    def __setitem__(self, key, value):
+        log("DebugFS set %s = %s" % (key, value), "")
+        log_level_inc()
+
+        cmd("echo '%s' > %s/%s" % (value, self.path, key))
+        log_level_dec()
+
+        _, out = cmd('cat %s/%s' % (self.path, key))
+        self._dict[key] = out.strip()
+
+    def _debugfs_dir_read(self, path):
+        dfs = {}
+
+        log("DebugFS state for %s" % (path), "")
+        log_level_inc(add=2)
+
+        _, out = cmd('ls ' + path)
+        for f in out.split():
+            if f == "ports":
+                continue
+
+            p = os.path.join(path, f)
+            if not os.stat(p).st_mode & stat.S_IRUSR:
+                continue
+
+            if os.path.isfile(p):
+                # We need to init trap_flow_action_cookie before read it
+                if f == "trap_flow_action_cookie":
+                    cmd('echo deadbeef > %s/%s' % (path, f))
+                _, out = cmd('cat %s/%s' % (path, f))
+                dfs[f] = out.strip()
+            elif os.path.isdir(p):
+                dfs[f] = DebugfsDir(p)
+            else:
+                raise Exception("%s is neither file nor directory" % (p))
+
+        log_level_dec()
+        log("DebugFS state", dfs)
+        log_level_dec()
+
+        return dfs
+
+class NetdevSimDev:
+    """
+    Class for netdevsim bus device and its attributes.
+    """
+    @staticmethod
+    def ctrl_write(path, val):
+        fullpath = os.path.join("/sys/bus/netdevsim/", path)
+        try:
+            with open(fullpath, "w") as f:
+                f.write(val)
+        except OSError as e:
+            log("WRITE %s: %r" % (fullpath, val), -e.errno)
+            raise e
+        log("WRITE %s: %r" % (fullpath, val), 0)
+
+    def __init__(self, port_count=1):
+        addr = 0
+        while True:
+            try:
+                self.ctrl_write("new_device", "%u %u" % (addr, port_count))
+            except OSError as e:
+                if e.errno == errno.ENOSPC:
+                    addr += 1
+                    continue
+                raise e
+            break
+        self.addr = addr
+
+        # As probe of netdevsim device might happen from a workqueue,
+        # so wait here until all netdevs appear.
+        self.wait_for_netdevs(port_count)
+
+        ret, out = cmd("udevadm settle", fail=False)
+        if ret:
+            raise Exception("udevadm settle failed")
+        ifnames = self.get_ifnames()
+
+        devs.append(self)
+        self.dfs_dir = "/sys/kernel/debug/netdevsim/netdevsim%u/" % addr
+
+        self.nsims = []
+        for port_index in range(port_count):
+            self.nsims.append(NetdevSim(self, port_index, ifnames[port_index]))
+
+    def get_ifnames(self):
+        ifnames = []
+        listdir = os.listdir("/sys/bus/netdevsim/devices/netdevsim%u/net/" % self.addr)
+        for ifname in listdir:
+            ifnames.append(ifname)
+        ifnames.sort()
+        return ifnames
+
+    def wait_for_netdevs(self, port_count):
+        timeout = 5
+        timeout_start = time.time()
+
+        while True:
+            try:
+                ifnames = self.get_ifnames()
+            except FileNotFoundError as e:
+                ifnames = []
+            if len(ifnames) == port_count:
+                break
+            if time.time() < timeout_start + timeout:
+                continue
+            raise Exception("netdevices did not appear within timeout")
+
+    def dfs_num_bound_progs(self):
+        path = os.path.join(self.dfs_dir, "bpf_bound_progs")
+        _, progs = cmd('ls %s' % (path))
+        return len(progs.split())
+
+    def dfs_get_bound_progs(self, expected):
+        progs = DebugfsDir(os.path.join(self.dfs_dir, "bpf_bound_progs"))
+        if expected is not None:
+            if len(progs) != expected:
+                fail(True, "%d BPF programs bound, expected %d" %
+                     (len(progs), expected))
+        return progs
+
+    def remove(self):
+        self.ctrl_write("del_device", "%u" % (self.addr, ))
+        devs.remove(self)
+
+    def remove_nsim(self, nsim):
+        self.nsims.remove(nsim)
+        self.ctrl_write("devices/netdevsim%u/del_port" % (self.addr, ),
+                        "%u" % (nsim.port_index, ))
+
+class NetdevSim:
+    """
+    Class for netdevsim netdevice and its attributes.
+    """
+
+    def __init__(self, nsimdev, port_index, ifname):
+        # In case udev renamed the netdev to according to new schema,
+        # check if the name matches the port_index.
+        nsimnamere = re.compile("eni\d+np(\d+)")
+        match = nsimnamere.match(ifname)
+        if match and int(match.groups()[0]) != port_index + 1:
+            raise Exception("netdevice name mismatches the expected one")
+
+        self.nsimdev = nsimdev
+        self.port_index = port_index
+        self.ns = ""
+        self.dfs_dir = "%s/ports/%u/" % (nsimdev.dfs_dir, port_index)
+        self.dfs_refresh()
+        _, [self.dev] = ip("link show dev %s" % ifname)
+
+    def __getitem__(self, key):
+        return self.dev[key]
+
+    def remove(self):
+        self.nsimdev.remove_nsim(self)
+
+    def dfs_refresh(self):
+        self.dfs = DebugfsDir(self.dfs_dir)
+        return self.dfs
+
+    def dfs_read(self, f):
+        path = os.path.join(self.dfs_dir, f)
+        _, data = cmd('cat %s' % (path))
+        return data.strip()
+
+    def wait_for_flush(self, bound=0, total=0, n_retry=20):
+        for i in range(n_retry):
+            nbound = self.nsimdev.dfs_num_bound_progs()
+            nprogs = len(bpftool_prog_list())
+            if nbound == bound and nprogs == total:
+                return
+            time.sleep(0.05)
+        raise Exception("Time out waiting for program counts to stabilize want %d/%d, have %d bound, %d loaded" % (bound, total, nbound, nprogs))
+
+    def set_ns(self, ns):
+        name = "1" if ns == "" else ns
+        ip("link set dev %s netns %s" % (self.dev["ifname"], name), ns=self.ns)
+        self.ns = ns
+
+    def set_mtu(self, mtu, fail=True):
+        return ip("link set dev %s mtu %d" % (self.dev["ifname"], mtu),
+                  fail=fail)
+
+    def set_xdp(self, bpf, mode, force=False, JSON=True, verbose=False,
+                fail=True, include_stderr=False):
+        if verbose:
+            bpf += " verbose"
+        return ip("link set dev %s xdp%s %s" % (self.dev["ifname"], mode, bpf),
+                  force=force, JSON=JSON,
+                  fail=fail, include_stderr=include_stderr)
+
+    def unset_xdp(self, mode, force=False, JSON=True,
+                  fail=True, include_stderr=False):
+        return ip("link set dev %s xdp%s off" % (self.dev["ifname"], mode),
+                  force=force, JSON=JSON,
+                  fail=fail, include_stderr=include_stderr)
+
+    def ip_link_show(self, xdp):
+        _, link = ip("link show dev %s" % (self['ifname']))
+        if len(link) > 1:
+            raise Exception("Multiple objects on ip link show")
+        if len(link) < 1:
+            return {}
+        fail(xdp != "xdp" in link,
+             "XDP program not reporting in iplink (reported %s, expected %s)" %
+             ("xdp" in link, xdp))
+        return link[0]
+
+    def tc_add_ingress(self):
+        tc("qdisc add dev %s ingress" % (self['ifname']))
+
+    def tc_del_ingress(self):
+        tc("qdisc del dev %s ingress" % (self['ifname']))
+
+    def tc_flush_filters(self, bound=0, total=0):
+        self.tc_del_ingress()
+        self.tc_add_ingress()
+        self.wait_for_flush(bound=bound, total=total)
+
+    def tc_show_ingress(self, expected=None):
+        # No JSON support, oh well...
+        flags = ["skip_sw", "skip_hw", "in_hw"]
+        named = ["protocol", "pref", "chain", "handle", "id", "tag"]
+
+        args = "-s filter show dev %s ingress" % (self['ifname'])
+        _, out = tc(args, JSON=False)
+
+        filters = []
+        lines = out.split('\n')
+        for line in lines:
+            words = line.split()
+            if "handle" not in words:
+                continue
+            fltr = {}
+            for flag in flags:
+                fltr[flag] = flag in words
+            for name in named:
+                try:
+                    idx = words.index(name)
+                    fltr[name] = words[idx + 1]
+                except ValueError:
+                    pass
+            filters.append(fltr)
+
+        if expected is not None:
+            fail(len(filters) != expected,
+                 "%d ingress filters loaded, expected %d" %
+                 (len(filters), expected))
+        return filters
+
+    def cls_filter_op(self, op, qdisc="ingress", prio=None, handle=None,
+                      chain=None, cls="", params="",
+                      fail=True, include_stderr=False):
+        spec = ""
+        if prio is not None:
+            spec += " prio %d" % (prio)
+        if handle:
+            spec += " handle %s" % (handle)
+        if chain is not None:
+            spec += " chain %d" % (chain)
+
+        return tc("filter {op} dev {dev} {qdisc} {spec} {cls} {params}"\
+                  .format(op=op, dev=self['ifname'], qdisc=qdisc, spec=spec,
+                          cls=cls, params=params),
+                  fail=fail, include_stderr=include_stderr)
+
+    def cls_bpf_add_filter(self, bpf, op="add", prio=None, handle=None,
+                           chain=None, da=False, verbose=False,
+                           skip_sw=False, skip_hw=False,
+                           fail=True, include_stderr=False):
+        cls = "bpf " + bpf
+
+        params = ""
+        if da:
+            params += " da"
+        if verbose:
+            params += " verbose"
+        if skip_sw:
+            params += " skip_sw"
+        if skip_hw:
+            params += " skip_hw"
+
+        return self.cls_filter_op(op=op, prio=prio, handle=handle, cls=cls,
+                                  chain=chain, params=params,
+                                  fail=fail, include_stderr=include_stderr)
+
+    def set_ethtool_tc_offloads(self, enable, fail=True):
+        args = "hw-tc-offload %s" % ("on" if enable else "off")
+        return ethtool(self, "-K", args, fail=fail)
+
+################################################################################
+def clean_up():
+    global files, netns, devs
+
+    for dev in devs:
+        dev.remove()
+    for f in files:
+        cmd("rm -f %s" % (f))
+    for ns in netns:
+        cmd("ip netns delete %s" % (ns))
+    files = []
+    netns = []
+
+def pin_prog(file_name, idx=0):
+    progs = bpftool_prog_list(expected=(idx + 1))
+    prog = progs[idx]
+    bpftool("prog pin id %d %s" % (prog["id"], file_name))
+    files.append(file_name)
+
+    return file_name, bpf_pinned(file_name)
+
+def pin_map(file_name, idx=0, expected=1):
+    maps = bpftool_map_list(expected=expected)
+    m = maps[idx]
+    bpftool("map pin id %d %s" % (m["id"], file_name))
+    files.append(file_name)
+
+    return file_name, bpf_pinned(file_name)
+
+def check_dev_info_removed(prog_file=None, map_file=None):
+    bpftool_prog_list(expected=0)
+    ret, err = bpftool("prog show pin %s" % (prog_file), fail=False)
+    fail(ret == 0, "Showing prog with removed device did not fail")
+    fail(err["error"].find("No such device") == -1,
+         "Showing prog with removed device expected ENODEV, error is %s" %
+         (err["error"]))
+
+    bpftool_map_list(expected=0)
+    ret, err = bpftool("map show pin %s" % (map_file), fail=False)
+    fail(ret == 0, "Showing map with removed device did not fail")
+    fail(err["error"].find("No such device") == -1,
+         "Showing map with removed device expected ENODEV, error is %s" %
+         (err["error"]))
+
+def check_dev_info(other_ns, ns, prog_file=None, map_file=None, removed=False):
+    progs = bpftool_prog_list(expected=1, ns=ns)
+    prog = progs[0]
+
+    fail("dev" not in prog.keys(), "Device parameters not reported")
+    dev = prog["dev"]
+    fail("ifindex" not in dev.keys(), "Device parameters not reported")
+    fail("ns_dev" not in dev.keys(), "Device parameters not reported")
+    fail("ns_inode" not in dev.keys(), "Device parameters not reported")
+
+    if not other_ns:
+        fail("ifname" not in dev.keys(), "Ifname not reported")
+        fail(dev["ifname"] != sim["ifname"],
+             "Ifname incorrect %s vs %s" % (dev["ifname"], sim["ifname"]))
+    else:
+        fail("ifname" in dev.keys(), "Ifname is reported for other ns")
+
+    maps = bpftool_map_list(expected=2, ns=ns)
+    for m in maps:
+        fail("dev" not in m.keys(), "Device parameters not reported")
+        fail(dev != m["dev"], "Map's device different than program's")
+
+def check_extack(output, reference, args):
+    if skip_extack:
+        return
+    lines = output.split("\n")
+    comp = len(lines) >= 2 and lines[1] == 'Error: ' + reference
+    fail(not comp, "Missing or incorrect netlink extack message")
+
+def check_extack_nsim(output, reference, args):
+    check_extack(output, "netdevsim: " + reference, args)
+
+def check_no_extack(res, needle):
+    fail((res[1] + res[2]).count(needle) or (res[1] + res[2]).count("Warning:"),
+         "Found '%s' in command output, leaky extack?" % (needle))
+
+def check_verifier_log(output, reference):
+    lines = output.split("\n")
+    for l in reversed(lines):
+        if l == reference:
+            return
+    fail(True, "Missing or incorrect message from netdevsim in verifier log")
+
+def check_multi_basic(two_xdps):
+    fail(two_xdps["mode"] != 4, "Bad mode reported with multiple programs")
+    fail("prog" in two_xdps, "Base program reported in multi program mode")
+    fail(len(two_xdps["attached"]) != 2,
+         "Wrong attached program count with two programs")
+    fail(two_xdps["attached"][0]["prog"]["id"] ==
+         two_xdps["attached"][1]["prog"]["id"],
+         "Offloaded and other programs have the same id")
+
+def test_spurios_extack(sim, obj, skip_hw, needle):
+    res = sim.cls_bpf_add_filter(obj, prio=1, handle=1, skip_hw=skip_hw,
+                                 include_stderr=True)
+    check_no_extack(res, needle)
+    res = sim.cls_bpf_add_filter(obj, op="replace", prio=1, handle=1,
+                                 skip_hw=skip_hw, include_stderr=True)
+    check_no_extack(res, needle)
+    res = sim.cls_filter_op(op="delete", prio=1, handle=1, cls="bpf",
+                            include_stderr=True)
+    check_no_extack(res, needle)
+
+def test_multi_prog(simdev, sim, obj, modename, modeid):
+    start_test("Test multi-attachment XDP - %s + offload..." %
+               (modename or "default", ))
+    sim.set_xdp(obj, "offload")
+    xdp = sim.ip_link_show(xdp=True)["xdp"]
+    offloaded = sim.dfs_read("bpf_offloaded_id")
+    fail("prog" not in xdp, "Base program not reported in single program mode")
+    fail(len(xdp["attached"]) != 1,
+         "Wrong attached program count with one program")
+
+    sim.set_xdp(obj, modename)
+    two_xdps = sim.ip_link_show(xdp=True)["xdp"]
+
+    fail(xdp["attached"][0] not in two_xdps["attached"],
+         "Offload program not reported after other activated")
+    check_multi_basic(two_xdps)
+
+    offloaded2 = sim.dfs_read("bpf_offloaded_id")
+    fail(offloaded != offloaded2,
+         "Offload ID changed after loading other program")
+
+    start_test("Test multi-attachment XDP - replace...")
+    ret, _, err = sim.set_xdp(obj, "offload", fail=False, include_stderr=True)
+    fail(ret == 0, "Replaced one of programs without -force")
+    check_extack(err, "XDP program already attached.", args)
+
+    start_test("Test multi-attachment XDP - remove without mode...")
+    ret, _, err = sim.unset_xdp("", force=True,
+                                fail=False, include_stderr=True)
+    fail(ret == 0, "Removed program without a mode flag")
+    check_extack(err, "More than one program loaded, unset mode is ambiguous.", args)
+
+    sim.unset_xdp("offload")
+    xdp = sim.ip_link_show(xdp=True)["xdp"]
+    offloaded = sim.dfs_read("bpf_offloaded_id")
+
+    fail(xdp["mode"] != modeid, "Bad mode reported after multiple programs")
+    fail("prog" not in xdp,
+         "Base program not reported after multi program mode")
+    fail(xdp["attached"][0] not in two_xdps["attached"],
+         "Offload program not reported after other activated")
+    fail(len(xdp["attached"]) != 1,
+         "Wrong attached program count with remaining programs")
+    fail(offloaded != "0", "Offload ID reported with only other program left")
+
+    start_test("Test multi-attachment XDP - reattach...")
+    sim.set_xdp(obj, "offload")
+    two_xdps = sim.ip_link_show(xdp=True)["xdp"]
+
+    fail(xdp["attached"][0] not in two_xdps["attached"],
+         "Other program not reported after offload activated")
+    check_multi_basic(two_xdps)
+
+    start_test("Test multi-attachment XDP - device remove...")
+    simdev.remove()
+
+    simdev = NetdevSimDev()
+    sim, = simdev.nsims
+    sim.set_ethtool_tc_offloads(True)
+    return [simdev, sim]
+
+# Parse command line
+parser = argparse.ArgumentParser()
+parser.add_argument("--log", help="output verbose log to given file")
+args = parser.parse_args()
+if args.log:
+    logfile = open(args.log, 'w+')
+    logfile.write("# -*-Org-*-")
+
+log("Prepare...", "", level=1)
+log_level_inc()
+
+# Check permissions
+skip(os.getuid() != 0, "test must be run as root")
+
+# Check tools
+ret, progs = bpftool("prog", fail=False)
+skip(ret != 0, "bpftool not installed")
+base_progs = progs
+_, base_maps = bpftool("map")
+base_map_names = [
+    'pid_iter.rodata' # created on each bpftool invocation
+]
+
+# Check netdevsim
+ret, out = cmd("modprobe netdevsim", fail=False)
+skip(ret != 0, "netdevsim module could not be loaded")
+
+# Check debugfs
+_, out = cmd("mount")
+if out.find("/sys/kernel/debug type debugfs") == -1:
+    cmd("mount -t debugfs none /sys/kernel/debug")
+
+# Check samples are compiled
+samples = ["sample_ret0.bpf.o", "sample_map_ret0.bpf.o"]
+for s in samples:
+    ret, out = cmd("ls %s/%s" % (bpf_test_dir, s), fail=False)
+    skip(ret != 0, "sample %s/%s not found, please compile it" %
+         (bpf_test_dir, s))
+
+# Check if iproute2 is built with libmnl (needed by extack support)
+_, _, err = cmd("tc qdisc delete dev lo handle 0",
+                fail=False, include_stderr=True)
+if err.find("Error: Failed to find qdisc with specified handle.") == -1:
+    print("Warning: no extack message in iproute2 output, libmnl missing?")
+    log("Warning: no extack message in iproute2 output, libmnl missing?", "")
+    skip_extack = True
+
+# Check if net namespaces seem to work
+ns = mknetns()
+skip(ns is None, "Could not create a net namespace")
+cmd("ip netns delete %s" % (ns))
+netns = []
+
+try:
+    obj = bpf_obj("sample_ret0.bpf.o")
+    bytecode = bpf_bytecode("1,6 0 0 4294967295,")
+
+    start_test("Test destruction of generic XDP...")
+    simdev = NetdevSimDev()
+    sim, = simdev.nsims
+    sim.set_xdp(obj, "generic")
+    simdev.remove()
+    bpftool_prog_list_wait(expected=0)
+
+    simdev = NetdevSimDev()
+    sim, = simdev.nsims
+    sim.tc_add_ingress()
+
+    start_test("Test TC non-offloaded...")
+    ret, _ = sim.cls_bpf_add_filter(obj, skip_hw=True, fail=False)
+    fail(ret != 0, "Software TC filter did not load")
+
+    start_test("Test TC non-offloaded isn't getting bound...")
+    ret, _ = sim.cls_bpf_add_filter(obj, fail=False)
+    fail(ret != 0, "Software TC filter did not load")
+    simdev.dfs_get_bound_progs(expected=0)
+
+    sim.tc_flush_filters()
+
+    start_test("Test TC offloads are off by default...")
+    ret, _, err = sim.cls_bpf_add_filter(obj, skip_sw=True,
+                                         fail=False, include_stderr=True)
+    fail(ret == 0, "TC filter loaded without enabling TC offloads")
+    check_extack(err, "TC offload is disabled on net device.", args)
+    sim.wait_for_flush()
+
+    sim.set_ethtool_tc_offloads(True)
+    sim.dfs["bpf_tc_non_bound_accept"] = "Y"
+
+    start_test("Test TC offload by default...")
+    ret, _ = sim.cls_bpf_add_filter(obj, fail=False)
+    fail(ret != 0, "Software TC filter did not load")
+    simdev.dfs_get_bound_progs(expected=0)
+    ingress = sim.tc_show_ingress(expected=1)
+    fltr = ingress[0]
+    fail(not fltr["in_hw"], "Filter not offloaded by default")
+
+    sim.tc_flush_filters()
+
+    start_test("Test TC cBPF bytcode tries offload by default...")
+    ret, _ = sim.cls_bpf_add_filter(bytecode, fail=False)
+    fail(ret != 0, "Software TC filter did not load")
+    simdev.dfs_get_bound_progs(expected=0)
+    ingress = sim.tc_show_ingress(expected=1)
+    fltr = ingress[0]
+    fail(not fltr["in_hw"], "Bytecode not offloaded by default")
+
+    sim.tc_flush_filters()
+    sim.dfs["bpf_tc_non_bound_accept"] = "N"
+
+    start_test("Test TC cBPF unbound bytecode doesn't offload...")
+    ret, _, err = sim.cls_bpf_add_filter(bytecode, skip_sw=True,
+                                         fail=False, include_stderr=True)
+    fail(ret == 0, "TC bytecode loaded for offload")
+    check_extack_nsim(err, "netdevsim configured to reject unbound programs.",
+                      args)
+    sim.wait_for_flush()
+
+    start_test("Test non-0 chain offload...")
+    ret, _, err = sim.cls_bpf_add_filter(obj, chain=1, prio=1, handle=1,
+                                         skip_sw=True,
+                                         fail=False, include_stderr=True)
+    fail(ret == 0, "Offloaded a filter to chain other than 0")
+    check_extack(err, "Driver supports only offload of chain 0.", args)
+    sim.tc_flush_filters()
+
+    start_test("Test TC replace...")
+    sim.cls_bpf_add_filter(obj, prio=1, handle=1)
+    sim.cls_bpf_add_filter(obj, op="replace", prio=1, handle=1)
+    sim.cls_filter_op(op="delete", prio=1, handle=1, cls="bpf")
+
+    sim.cls_bpf_add_filter(obj, prio=1, handle=1, skip_sw=True)
+    sim.cls_bpf_add_filter(obj, op="replace", prio=1, handle=1, skip_sw=True)
+    sim.cls_filter_op(op="delete", prio=1, handle=1, cls="bpf")
+
+    sim.cls_bpf_add_filter(obj, prio=1, handle=1, skip_hw=True)
+    sim.cls_bpf_add_filter(obj, op="replace", prio=1, handle=1, skip_hw=True)
+    sim.cls_filter_op(op="delete", prio=1, handle=1, cls="bpf")
+
+    start_test("Test TC replace bad flags...")
+    for i in range(3):
+        for j in range(3):
+            ret, _ = sim.cls_bpf_add_filter(obj, op="replace", prio=1, handle=1,
+                                            skip_sw=(j == 1), skip_hw=(j == 2),
+                                            fail=False)
+            fail(bool(ret) != bool(j),
+                 "Software TC incorrect load in replace test, iteration %d" %
+                 (j))
+        sim.cls_filter_op(op="delete", prio=1, handle=1, cls="bpf")
+
+    start_test("Test spurious extack from the driver...")
+    test_spurios_extack(sim, obj, False, "netdevsim")
+    test_spurios_extack(sim, obj, True, "netdevsim")
+
+    sim.set_ethtool_tc_offloads(False)
+
+    test_spurios_extack(sim, obj, False, "TC offload is disabled")
+    test_spurios_extack(sim, obj, True, "TC offload is disabled")
+
+    sim.set_ethtool_tc_offloads(True)
+
+    sim.tc_flush_filters()
+
+    start_test("Test TC offloads failure...")
+    sim.dfs["dev/bpf_bind_verifier_accept"] = 0
+    ret, _, err = sim.cls_bpf_add_filter(obj, verbose=True, skip_sw=True,
+                                         fail=False, include_stderr=True)
+    fail(ret == 0, "TC filter did not reject with TC offloads enabled")
+    check_verifier_log(err, "[netdevsim] Hello from netdevsim!")
+    sim.dfs["dev/bpf_bind_verifier_accept"] = 1
+
+    start_test("Test TC offloads work...")
+    ret, _, err = sim.cls_bpf_add_filter(obj, verbose=True, skip_sw=True,
+                                         fail=False, include_stderr=True)
+    fail(ret != 0, "TC filter did not load with TC offloads enabled")
+
+    start_test("Test TC offload basics...")
+    dfs = simdev.dfs_get_bound_progs(expected=1)
+    progs = bpftool_prog_list(expected=1)
+    ingress = sim.tc_show_ingress(expected=1)
+
+    dprog = dfs[0]
+    prog = progs[0]
+    fltr = ingress[0]
+    fail(fltr["skip_hw"], "TC does reports 'skip_hw' on offloaded filter")
+    fail(not fltr["in_hw"], "TC does not report 'in_hw' for offloaded filter")
+    fail(not fltr["skip_sw"], "TC does not report 'skip_sw' back")
+
+    start_test("Test TC offload is device-bound...")
+    fail(str(prog["id"]) != fltr["id"], "Program IDs don't match")
+    fail(prog["tag"] != fltr["tag"], "Program tags don't match")
+    fail(fltr["id"] != dprog["id"], "Program IDs don't match")
+    fail(dprog["state"] != "xlated", "Offloaded program state not translated")
+    fail(dprog["loaded"] != "Y", "Offloaded program is not loaded")
+
+    start_test("Test disabling TC offloads is rejected while filters installed...")
+    ret, _ = sim.set_ethtool_tc_offloads(False, fail=False)
+    fail(ret == 0, "Driver should refuse to disable TC offloads with filters installed...")
+    sim.set_ethtool_tc_offloads(True)
+
+    start_test("Test qdisc removal frees things...")
+    sim.tc_flush_filters()
+    sim.tc_show_ingress(expected=0)
+
+    start_test("Test disabling TC offloads is OK without filters...")
+    ret, _ = sim.set_ethtool_tc_offloads(False, fail=False)
+    fail(ret != 0,
+         "Driver refused to disable TC offloads without filters installed...")
+
+    sim.set_ethtool_tc_offloads(True)
+
+    start_test("Test destroying device gets rid of TC filters...")
+    sim.cls_bpf_add_filter(obj, skip_sw=True)
+    simdev.remove()
+    bpftool_prog_list_wait(expected=0)
+
+    simdev = NetdevSimDev()
+    sim, = simdev.nsims
+    sim.set_ethtool_tc_offloads(True)
+
+    start_test("Test destroying device gets rid of XDP...")
+    sim.set_xdp(obj, "offload")
+    simdev.remove()
+    bpftool_prog_list_wait(expected=0)
+
+    simdev = NetdevSimDev()
+    sim, = simdev.nsims
+    sim.set_ethtool_tc_offloads(True)
+
+    start_test("Test XDP prog reporting...")
+    sim.set_xdp(obj, "drv")
+    ipl = sim.ip_link_show(xdp=True)
+    progs = bpftool_prog_list(expected=1)
+    fail(ipl["xdp"]["prog"]["id"] != progs[0]["id"],
+         "Loaded program has wrong ID")
+
+    start_test("Test XDP prog replace without force...")
+    ret, _ = sim.set_xdp(obj, "drv", fail=False)
+    fail(ret == 0, "Replaced XDP program without -force")
+    sim.wait_for_flush(total=1)
+
+    start_test("Test XDP prog replace with force...")
+    ret, _ = sim.set_xdp(obj, "drv", force=True, fail=False)
+    fail(ret != 0, "Could not replace XDP program with -force")
+    bpftool_prog_list_wait(expected=1)
+    ipl = sim.ip_link_show(xdp=True)
+    progs = bpftool_prog_list(expected=1)
+    fail(ipl["xdp"]["prog"]["id"] != progs[0]["id"],
+         "Loaded program has wrong ID")
+    fail("dev" in progs[0].keys(),
+         "Device parameters reported for non-offloaded program")
+
+    start_test("Test XDP prog replace with bad flags...")
+    ret, _, err = sim.set_xdp(obj, "generic", force=True,
+                              fail=False, include_stderr=True)
+    fail(ret == 0, "Replaced XDP program with a program in different mode")
+    check_extack(err,
+                 "Native and generic XDP can't be active at the same time.",
+                 args)
+
+    start_test("Test MTU restrictions...")
+    ret, _ = sim.set_mtu(9000, fail=False)
+    fail(ret == 0,
+         "Driver should refuse to increase MTU to 9000 with XDP loaded...")
+    sim.unset_xdp("drv")
+    bpftool_prog_list_wait(expected=0)
+    sim.set_mtu(9000)
+    ret, _, err = sim.set_xdp(obj, "drv", fail=False, include_stderr=True)
+    fail(ret == 0, "Driver should refuse to load program with MTU of 9000...")
+    check_extack_nsim(err, "MTU too large w/ XDP enabled.", args)
+    sim.set_mtu(1500)
+
+    sim.wait_for_flush()
+    start_test("Test non-offload XDP attaching to HW...")
+    bpftool_prog_load("sample_ret0.bpf.o", "/sys/fs/bpf/nooffload")
+    nooffload = bpf_pinned("/sys/fs/bpf/nooffload")
+    ret, _, err = sim.set_xdp(nooffload, "offload",
+                              fail=False, include_stderr=True)
+    fail(ret == 0, "attached non-offloaded XDP program to HW")
+    check_extack_nsim(err, "xdpoffload of non-bound program.", args)
+    rm("/sys/fs/bpf/nooffload")
+
+    start_test("Test offload XDP attaching to drv...")
+    bpftool_prog_load("sample_ret0.bpf.o", "/sys/fs/bpf/offload",
+                      dev=sim['ifname'])
+    offload = bpf_pinned("/sys/fs/bpf/offload")
+    ret, _, err = sim.set_xdp(offload, "drv", fail=False, include_stderr=True)
+    fail(ret == 0, "attached offloaded XDP program to drv")
+    check_extack(err, "Using device-bound program without HW_MODE flag is not supported.", args)
+    rm("/sys/fs/bpf/offload")
+    sim.wait_for_flush()
+
+    start_test("Test XDP load failure...")
+    sim.dfs["dev/bpf_bind_verifier_accept"] = 0
+    ret, _, err = bpftool_prog_load("sample_ret0.bpf.o", "/sys/fs/bpf/offload",
+                                 dev=sim['ifname'], fail=False, include_stderr=True)
+    fail(ret == 0, "verifier should fail on load")
+    check_verifier_log(err, "[netdevsim] Hello from netdevsim!")
+    sim.dfs["dev/bpf_bind_verifier_accept"] = 1
+    sim.wait_for_flush()
+
+    start_test("Test XDP offload...")
+    _, _, err = sim.set_xdp(obj, "offload", verbose=True, include_stderr=True)
+    ipl = sim.ip_link_show(xdp=True)
+    link_xdp = ipl["xdp"]["prog"]
+    progs = bpftool_prog_list(expected=1)
+    prog = progs[0]
+    fail(link_xdp["id"] != prog["id"], "Loaded program has wrong ID")
+
+    start_test("Test XDP offload is device bound...")
+    dfs = simdev.dfs_get_bound_progs(expected=1)
+    dprog = dfs[0]
+
+    fail(prog["id"] != link_xdp["id"], "Program IDs don't match")
+    fail(prog["tag"] != link_xdp["tag"], "Program tags don't match")
+    fail(str(link_xdp["id"]) != dprog["id"], "Program IDs don't match")
+    fail(dprog["state"] != "xlated", "Offloaded program state not translated")
+    fail(dprog["loaded"] != "Y", "Offloaded program is not loaded")
+
+    start_test("Test removing XDP program many times...")
+    sim.unset_xdp("offload")
+    sim.unset_xdp("offload")
+    sim.unset_xdp("drv")
+    sim.unset_xdp("drv")
+    sim.unset_xdp("")
+    sim.unset_xdp("")
+    bpftool_prog_list_wait(expected=0)
+
+    start_test("Test attempt to use a program for a wrong device...")
+    simdev2 = NetdevSimDev()
+    sim2, = simdev2.nsims
+    sim2.set_xdp(obj, "offload")
+    pin_file, pinned = pin_prog("/sys/fs/bpf/tmp")
+
+    ret, _, err = sim.set_xdp(pinned, "offload",
+                              fail=False, include_stderr=True)
+    fail(ret == 0, "Pinned program loaded for a different device accepted")
+    check_extack_nsim(err, "program bound to different dev.", args)
+    simdev2.remove()
+    ret, _, err = sim.set_xdp(pinned, "offload",
+                              fail=False, include_stderr=True)
+    fail(ret == 0, "Pinned program loaded for a removed device accepted")
+    check_extack_nsim(err, "xdpoffload of non-bound program.", args)
+    rm(pin_file)
+    bpftool_prog_list_wait(expected=0)
+
+    simdev, sim = test_multi_prog(simdev, sim, obj, "", 1)
+    simdev, sim = test_multi_prog(simdev, sim, obj, "drv", 1)
+    simdev, sim = test_multi_prog(simdev, sim, obj, "generic", 2)
+
+    start_test("Test mixing of TC and XDP...")
+    sim.tc_add_ingress()
+    sim.set_xdp(obj, "offload")
+    ret, _, err = sim.cls_bpf_add_filter(obj, skip_sw=True,
+                                         fail=False, include_stderr=True)
+    fail(ret == 0, "Loading TC when XDP active should fail")
+    check_extack_nsim(err, "driver and netdev offload states mismatch.", args)
+    sim.unset_xdp("offload")
+    sim.wait_for_flush()
+
+    sim.cls_bpf_add_filter(obj, skip_sw=True)
+    ret, _, err = sim.set_xdp(obj, "offload", fail=False, include_stderr=True)
+    fail(ret == 0, "Loading XDP when TC active should fail")
+    check_extack_nsim(err, "TC program is already loaded.", args)
+
+    start_test("Test binding TC from pinned...")
+    pin_file, pinned = pin_prog("/sys/fs/bpf/tmp")
+    sim.tc_flush_filters(bound=1, total=1)
+    sim.cls_bpf_add_filter(pinned, da=True, skip_sw=True)
+    sim.tc_flush_filters(bound=1, total=1)
+
+    start_test("Test binding XDP from pinned...")
+    sim.set_xdp(obj, "offload")
+    pin_file, pinned = pin_prog("/sys/fs/bpf/tmp2", idx=1)
+
+    sim.set_xdp(pinned, "offload", force=True)
+    sim.unset_xdp("offload")
+    sim.set_xdp(pinned, "offload", force=True)
+    sim.unset_xdp("offload")
+
+    start_test("Test offload of wrong type fails...")
+    ret, _ = sim.cls_bpf_add_filter(pinned, da=True, skip_sw=True, fail=False)
+    fail(ret == 0, "Managed to attach XDP program to TC")
+
+    start_test("Test asking for TC offload of two filters...")
+    sim.cls_bpf_add_filter(obj, da=True, skip_sw=True)
+    ret, _, err = sim.cls_bpf_add_filter(obj, da=True, skip_sw=True,
+                                         fail=False, include_stderr=True)
+    fail(ret == 0, "Managed to offload two TC filters at the same time")
+    check_extack_nsim(err, "driver and netdev offload states mismatch.", args)
+
+    sim.tc_flush_filters(bound=2, total=2)
+
+    start_test("Test if netdev removal waits for translation...")
+    delay_msec = 500
+    sim.dfs["dev/bpf_bind_verifier_delay"] = delay_msec
+    start = time.time()
+    cmd_line = "tc filter add dev %s ingress bpf %s da skip_sw" % \
+               (sim['ifname'], obj)
+    tc_proc = cmd(cmd_line, background=True, fail=False)
+    # Wait for the verifier to start
+    while simdev.dfs_num_bound_progs() <= 2:
+        pass
+    simdev.remove()
+    end = time.time()
+    ret, _ = cmd_result(tc_proc, fail=False)
+    time_diff = end - start
+    log("Time", "start:\t%s\nend:\t%s\ndiff:\t%s" % (start, end, time_diff))
+
+    fail(ret == 0, "Managed to load TC filter on a unregistering device")
+    delay_sec = delay_msec * 0.001
+    fail(time_diff < delay_sec, "Removal process took %s, expected %s" %
+         (time_diff, delay_sec))
+
+    # Remove all pinned files and reinstantiate the netdev
+    clean_up()
+    bpftool_prog_list_wait(expected=0)
+
+    simdev = NetdevSimDev()
+    sim, = simdev.nsims
+    map_obj = bpf_obj("sample_map_ret0.bpf.o")
+    start_test("Test loading program with maps...")
+    sim.set_xdp(map_obj, "offload", JSON=False) # map fixup msg breaks JSON
+
+    start_test("Test bpftool bound info reporting (own ns)...")
+    check_dev_info(False, "")
+
+    start_test("Test bpftool bound info reporting (other ns)...")
+    ns = mknetns()
+    sim.set_ns(ns)
+    check_dev_info(True, "")
+
+    start_test("Test bpftool bound info reporting (remote ns)...")
+    check_dev_info(False, ns)
+
+    start_test("Test bpftool bound info reporting (back to own ns)...")
+    sim.set_ns("")
+    check_dev_info(False, "")
+
+    prog_file, _ = pin_prog("/sys/fs/bpf/tmp_prog")
+    map_file, _ = pin_map("/sys/fs/bpf/tmp_map", idx=1, expected=2)
+    simdev.remove()
+
+    start_test("Test bpftool bound info reporting (removed dev)...")
+    check_dev_info_removed(prog_file=prog_file, map_file=map_file)
+
+    # Remove all pinned files and reinstantiate the netdev
+    clean_up()
+    bpftool_prog_list_wait(expected=0)
+
+    simdev = NetdevSimDev()
+    sim, = simdev.nsims
+
+    start_test("Test map update (no flags)...")
+    sim.set_xdp(map_obj, "offload", JSON=False) # map fixup msg breaks JSON
+    maps = bpftool_map_list(expected=2)
+    array = maps[0] if maps[0]["type"] == "array" else maps[1]
+    htab = maps[0] if maps[0]["type"] == "hash" else maps[1]
+    for m in maps:
+        for i in range(2):
+            bpftool("map update id %d key %s value %s" %
+                    (m["id"], int2str("I", i), int2str("Q", i * 3)))
+
+    for m in maps:
+        ret, _ = bpftool("map update id %d key %s value %s" %
+                         (m["id"], int2str("I", 3), int2str("Q", 3 * 3)),
+                         fail=False)
+        fail(ret == 0, "added too many entries")
+
+    start_test("Test map update (exists)...")
+    for m in maps:
+        for i in range(2):
+            bpftool("map update id %d key %s value %s exist" %
+                    (m["id"], int2str("I", i), int2str("Q", i * 3)))
+
+    for m in maps:
+        ret, err = bpftool("map update id %d key %s value %s exist" %
+                           (m["id"], int2str("I", 3), int2str("Q", 3 * 3)),
+                           fail=False)
+        fail(ret == 0, "updated non-existing key")
+        fail(err["error"].find("No such file or directory") == -1,
+             "expected ENOENT, error is '%s'" % (err["error"]))
+
+    start_test("Test map update (noexist)...")
+    for m in maps:
+        for i in range(2):
+            ret, err = bpftool("map update id %d key %s value %s noexist" %
+                               (m["id"], int2str("I", i), int2str("Q", i * 3)),
+                               fail=False)
+        fail(ret == 0, "updated existing key")
+        fail(err["error"].find("File exists") == -1,
+             "expected EEXIST, error is '%s'" % (err["error"]))
+
+    start_test("Test map dump...")
+    for m in maps:
+        _, entries = bpftool("map dump id %d" % (m["id"]))
+        for i in range(2):
+            key = str2int(entries[i]["key"])
+            fail(key != i, "expected key %d, got %d" % (key, i))
+            val = str2int(entries[i]["value"])
+            fail(val != i * 3, "expected value %d, got %d" % (val, i * 3))
+
+    start_test("Test map getnext...")
+    for m in maps:
+        _, entry = bpftool("map getnext id %d" % (m["id"]))
+        key = str2int(entry["next_key"])
+        fail(key != 0, "next key %d, expected %d" % (key, 0))
+        _, entry = bpftool("map getnext id %d key %s" %
+                           (m["id"], int2str("I", 0)))
+        key = str2int(entry["next_key"])
+        fail(key != 1, "next key %d, expected %d" % (key, 1))
+        ret, err = bpftool("map getnext id %d key %s" %
+                           (m["id"], int2str("I", 1)), fail=False)
+        fail(ret == 0, "got next key past the end of map")
+        fail(err["error"].find("No such file or directory") == -1,
+             "expected ENOENT, error is '%s'" % (err["error"]))
+
+    start_test("Test map delete (htab)...")
+    for i in range(2):
+        bpftool("map delete id %d key %s" % (htab["id"], int2str("I", i)))
+
+    start_test("Test map delete (array)...")
+    for i in range(2):
+        ret, err = bpftool("map delete id %d key %s" %
+                           (htab["id"], int2str("I", i)), fail=False)
+        fail(ret == 0, "removed entry from an array")
+        fail(err["error"].find("No such file or directory") == -1,
+             "expected ENOENT, error is '%s'" % (err["error"]))
+
+    start_test("Test map remove...")
+    sim.unset_xdp("offload")
+    bpftool_map_list_wait(expected=0)
+    simdev.remove()
+
+    simdev = NetdevSimDev()
+    sim, = simdev.nsims
+    sim.set_xdp(map_obj, "offload", JSON=False) # map fixup msg breaks JSON
+    simdev.remove()
+    bpftool_map_list_wait(expected=0)
+
+    start_test("Test map creation fail path...")
+    simdev = NetdevSimDev()
+    sim, = simdev.nsims
+    sim.dfs["bpf_map_accept"] = "N"
+    ret, _ = sim.set_xdp(map_obj, "offload", JSON=False, fail=False)
+    fail(ret == 0,
+         "netdevsim didn't refuse to create a map with offload disabled")
+
+    simdev.remove()
+
+    start_test("Test multi-dev ASIC program reuse...")
+    simdevA = NetdevSimDev()
+    simA, = simdevA.nsims
+    simdevB = NetdevSimDev(3)
+    simB1, simB2, simB3 = simdevB.nsims
+    sims = (simA, simB1, simB2, simB3)
+    simB = (simB1, simB2, simB3)
+
+    bpftool_prog_load("sample_map_ret0.bpf.o", "/sys/fs/bpf/nsimA",
+                      dev=simA['ifname'])
+    progA = bpf_pinned("/sys/fs/bpf/nsimA")
+    bpftool_prog_load("sample_map_ret0.bpf.o", "/sys/fs/bpf/nsimB",
+                      dev=simB1['ifname'])
+    progB = bpf_pinned("/sys/fs/bpf/nsimB")
+
+    simA.set_xdp(progA, "offload", JSON=False)
+    for d in simdevB.nsims:
+        d.set_xdp(progB, "offload", JSON=False)
+
+    start_test("Test multi-dev ASIC cross-dev replace...")
+    ret, _ = simA.set_xdp(progB, "offload", force=True, JSON=False, fail=False)
+    fail(ret == 0, "cross-ASIC program allowed")
+    for d in simdevB.nsims:
+        ret, _ = d.set_xdp(progA, "offload", force=True, JSON=False, fail=False)
+        fail(ret == 0, "cross-ASIC program allowed")
+
+    start_test("Test multi-dev ASIC cross-dev install...")
+    for d in sims:
+        d.unset_xdp("offload")
+
+    ret, _, err = simA.set_xdp(progB, "offload", force=True, JSON=False,
+                               fail=False, include_stderr=True)
+    fail(ret == 0, "cross-ASIC program allowed")
+    check_extack_nsim(err, "program bound to different dev.", args)
+    for d in simdevB.nsims:
+        ret, _, err = d.set_xdp(progA, "offload", force=True, JSON=False,
+                                fail=False, include_stderr=True)
+        fail(ret == 0, "cross-ASIC program allowed")
+        check_extack_nsim(err, "program bound to different dev.", args)
+
+    start_test("Test multi-dev ASIC cross-dev map reuse...")
+
+    mapA = bpftool("prog show %s" % (progA))[1]["map_ids"][0]
+    mapB = bpftool("prog show %s" % (progB))[1]["map_ids"][0]
+
+    ret, _ = bpftool_prog_load("sample_map_ret0.bpf.o", "/sys/fs/bpf/nsimB_",
+                               dev=simB3['ifname'],
+                               maps=["idx 0 id %d" % (mapB)],
+                               fail=False)
+    fail(ret != 0, "couldn't reuse a map on the same ASIC")
+    rm("/sys/fs/bpf/nsimB_")
+
+    ret, _, err = bpftool_prog_load("sample_map_ret0.bpf.o", "/sys/fs/bpf/nsimA_",
+                                    dev=simA['ifname'],
+                                    maps=["idx 0 id %d" % (mapB)],
+                                    fail=False, include_stderr=True)
+    fail(ret == 0, "could reuse a map on a different ASIC")
+    fail(err.count("offload device mismatch between prog and map") == 0,
+         "error message missing for cross-ASIC map")
+
+    ret, _, err = bpftool_prog_load("sample_map_ret0.bpf.o", "/sys/fs/bpf/nsimB_",
+                                    dev=simB1['ifname'],
+                                    maps=["idx 0 id %d" % (mapA)],
+                                    fail=False, include_stderr=True)
+    fail(ret == 0, "could reuse a map on a different ASIC")
+    fail(err.count("offload device mismatch between prog and map") == 0,
+         "error message missing for cross-ASIC map")
+
+    start_test("Test multi-dev ASIC cross-dev destruction...")
+    bpftool_prog_list_wait(expected=2)
+
+    simdevA.remove()
+    bpftool_prog_list_wait(expected=1)
+
+    ifnameB = bpftool("prog show %s" % (progB))[1]["dev"]["ifname"]
+    fail(ifnameB != simB1['ifname'], "program not bound to original device")
+    simB1.remove()
+    bpftool_prog_list_wait(expected=1)
+
+    start_test("Test multi-dev ASIC cross-dev destruction - move...")
+    ifnameB = bpftool("prog show %s" % (progB))[1]["dev"]["ifname"]
+    fail(ifnameB not in (simB2['ifname'], simB3['ifname']),
+         "program not bound to remaining devices")
+
+    simB2.remove()
+    ifnameB = bpftool("prog show %s" % (progB))[1]["dev"]["ifname"]
+    fail(ifnameB != simB3['ifname'], "program not bound to remaining device")
+
+    simB3.remove()
+    simdevB.remove()
+    bpftool_prog_list_wait(expected=0)
+
+    start_test("Test multi-dev ASIC cross-dev destruction - orphaned...")
+    ret, out = bpftool("prog show %s" % (progB), fail=False)
+    fail(ret == 0, "got information about orphaned program")
+    fail("error" not in out, "no error reported for get info on orphaned")
+    fail(out["error"] != "can't get prog info: No such device",
+         "wrong error for get info on orphaned")
+
+    print("%s: OK" % (os.path.basename(__file__)))
+
+finally:
+    log("Clean up...", "", level=1)
+    log_level_inc()
+    clean_up()
diff --git a/tools/testing/selftests/bpf/test_progs.c b/tools/testing/selftests/bpf/test_progs.c
new file mode 100644
index 000000000..3fef451d8
--- /dev/null
+++ b/tools/testing/selftests/bpf/test_progs.c
@@ -0,0 +1,1723 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/* Copyright (c) 2017 Facebook
+ */
+#define _GNU_SOURCE
+#include "test_progs.h"
+#include "testing_helpers.h"
+#include "cgroup_helpers.h"
+#include <argp.h>
+#include <pthread.h>
+#include <sched.h>
+#include <signal.h>
+#include <string.h>
+#include <execinfo.h> /* backtrace */
+#include <linux/membarrier.h>
+#include <sys/sysinfo.h> /* get_nprocs */
+#include <netinet/in.h>
+#include <sys/select.h>
+#include <sys/socket.h>
+#include <sys/un.h>
+
+static bool verbose(void)
+{
+	return env.verbosity > VERBOSE_NONE;
+}
+
+static void stdio_hijack_init(char **log_buf, size_t *log_cnt)
+{
+#ifdef __GLIBC__
+	if (verbose() && env.worker_id == -1) {
+		/* nothing to do, output to stdout by default */
+		return;
+	}
+
+	fflush(stdout);
+	fflush(stderr);
+
+	stdout = open_memstream(log_buf, log_cnt);
+	if (!stdout) {
+		stdout = env.stdout;
+		perror("open_memstream");
+		return;
+	}
+
+	if (env.subtest_state)
+		env.subtest_state->stdout = stdout;
+	else
+		env.test_state->stdout = stdout;
+
+	stderr = stdout;
+#endif
+}
+
+static void stdio_hijack(char **log_buf, size_t *log_cnt)
+{
+#ifdef __GLIBC__
+	if (verbose() && env.worker_id == -1) {
+		/* nothing to do, output to stdout by default */
+		return;
+	}
+
+	env.stdout = stdout;
+	env.stderr = stderr;
+
+	stdio_hijack_init(log_buf, log_cnt);
+#endif
+}
+
+static void stdio_restore_cleanup(void)
+{
+#ifdef __GLIBC__
+	if (verbose() && env.worker_id == -1) {
+		/* nothing to do, output to stdout by default */
+		return;
+	}
+
+	fflush(stdout);
+
+	if (env.subtest_state) {
+		fclose(env.subtest_state->stdout);
+		env.subtest_state->stdout = NULL;
+		stdout = env.test_state->stdout;
+		stderr = env.test_state->stdout;
+	} else {
+		fclose(env.test_state->stdout);
+		env.test_state->stdout = NULL;
+	}
+#endif
+}
+
+static void stdio_restore(void)
+{
+#ifdef __GLIBC__
+	if (verbose() && env.worker_id == -1) {
+		/* nothing to do, output to stdout by default */
+		return;
+	}
+
+	if (stdout == env.stdout)
+		return;
+
+	stdio_restore_cleanup();
+
+	stdout = env.stdout;
+	stderr = env.stderr;
+#endif
+}
+
+/* Adapted from perf/util/string.c */
+static bool glob_match(const char *str, const char *pat)
+{
+	while (*str && *pat && *pat != '*') {
+		if (*str != *pat)
+			return false;
+		str++;
+		pat++;
+	}
+	/* Check wild card */
+	if (*pat == '*') {
+		while (*pat == '*')
+			pat++;
+		if (!*pat) /* Tail wild card matches all */
+			return true;
+		while (*str)
+			if (glob_match(str++, pat))
+				return true;
+	}
+	return !*str && !*pat;
+}
+
+#define EXIT_NO_TEST		2
+#define EXIT_ERR_SETUP_INFRA	3
+
+/* defined in test_progs.h */
+struct test_env env = {};
+
+struct prog_test_def {
+	const char *test_name;
+	int test_num;
+	void (*run_test)(void);
+	void (*run_serial_test)(void);
+	bool should_run;
+	bool need_cgroup_cleanup;
+};
+
+/* Override C runtime library's usleep() implementation to ensure nanosleep()
+ * is always called. Usleep is frequently used in selftests as a way to
+ * trigger kprobe and tracepoints.
+ */
+int usleep(useconds_t usec)
+{
+	struct timespec ts = {
+		.tv_sec = usec / 1000000,
+		.tv_nsec = (usec % 1000000) * 1000,
+	};
+
+	return syscall(__NR_nanosleep, &ts, NULL);
+}
+
+static bool should_run(struct test_selector *sel, int num, const char *name)
+{
+	int i;
+
+	for (i = 0; i < sel->blacklist.cnt; i++) {
+		if (glob_match(name, sel->blacklist.tests[i].name) &&
+		    !sel->blacklist.tests[i].subtest_cnt)
+			return false;
+	}
+
+	for (i = 0; i < sel->whitelist.cnt; i++) {
+		if (glob_match(name, sel->whitelist.tests[i].name))
+			return true;
+	}
+
+	if (!sel->whitelist.cnt && !sel->num_set)
+		return true;
+
+	return num < sel->num_set_len && sel->num_set[num];
+}
+
+static bool should_run_subtest(struct test_selector *sel,
+			       struct test_selector *subtest_sel,
+			       int subtest_num,
+			       const char *test_name,
+			       const char *subtest_name)
+{
+	int i, j;
+
+	for (i = 0; i < sel->blacklist.cnt; i++) {
+		if (glob_match(test_name, sel->blacklist.tests[i].name)) {
+			if (!sel->blacklist.tests[i].subtest_cnt)
+				return false;
+
+			for (j = 0; j < sel->blacklist.tests[i].subtest_cnt; j++) {
+				if (glob_match(subtest_name,
+					       sel->blacklist.tests[i].subtests[j]))
+					return false;
+			}
+		}
+	}
+
+	for (i = 0; i < sel->whitelist.cnt; i++) {
+		if (glob_match(test_name, sel->whitelist.tests[i].name)) {
+			if (!sel->whitelist.tests[i].subtest_cnt)
+				return true;
+
+			for (j = 0; j < sel->whitelist.tests[i].subtest_cnt; j++) {
+				if (glob_match(subtest_name,
+					       sel->whitelist.tests[i].subtests[j]))
+					return true;
+			}
+		}
+	}
+
+	if (!sel->whitelist.cnt && !subtest_sel->num_set)
+		return true;
+
+	return subtest_num < subtest_sel->num_set_len && subtest_sel->num_set[subtest_num];
+}
+
+static char *test_result(bool failed, bool skipped)
+{
+	return failed ? "FAIL" : (skipped ? "SKIP" : "OK");
+}
+
+static void print_test_log(char *log_buf, size_t log_cnt)
+{
+	log_buf[log_cnt] = '\0';
+	fprintf(env.stdout, "%s", log_buf);
+	if (log_buf[log_cnt - 1] != '\n')
+		fprintf(env.stdout, "\n");
+}
+
+#define TEST_NUM_WIDTH 7
+
+static void print_test_name(int test_num, const char *test_name, char *result)
+{
+	fprintf(env.stdout, "#%-*d %s", TEST_NUM_WIDTH, test_num, test_name);
+
+	if (result)
+		fprintf(env.stdout, ":%s", result);
+
+	fprintf(env.stdout, "\n");
+}
+
+static void print_subtest_name(int test_num, int subtest_num,
+			       const char *test_name, char *subtest_name,
+			       char *result)
+{
+	char test_num_str[TEST_NUM_WIDTH + 1];
+
+	snprintf(test_num_str, sizeof(test_num_str), "%d/%d", test_num, subtest_num);
+
+	fprintf(env.stdout, "#%-*s %s/%s",
+		TEST_NUM_WIDTH, test_num_str,
+		test_name, subtest_name);
+
+	if (result)
+		fprintf(env.stdout, ":%s", result);
+
+	fprintf(env.stdout, "\n");
+}
+
+static void dump_test_log(const struct prog_test_def *test,
+			  const struct test_state *test_state,
+			  bool skip_ok_subtests,
+			  bool par_exec_result)
+{
+	bool test_failed = test_state->error_cnt > 0;
+	bool force_log = test_state->force_log;
+	bool print_test = verbose() || force_log || test_failed;
+	int i;
+	struct subtest_state *subtest_state;
+	bool subtest_failed;
+	bool subtest_filtered;
+	bool print_subtest;
+
+	/* we do not print anything in the worker thread */
+	if (env.worker_id != -1)
+		return;
+
+	/* there is nothing to print when verbose log is used and execution
+	 * is not in parallel mode
+	 */
+	if (verbose() && !par_exec_result)
+		return;
+
+	if (test_state->log_cnt && print_test)
+		print_test_log(test_state->log_buf, test_state->log_cnt);
+
+	for (i = 0; i < test_state->subtest_num; i++) {
+		subtest_state = &test_state->subtest_states[i];
+		subtest_failed = subtest_state->error_cnt;
+		subtest_filtered = subtest_state->filtered;
+		print_subtest = verbose() || force_log || subtest_failed;
+
+		if ((skip_ok_subtests && !subtest_failed) || subtest_filtered)
+			continue;
+
+		if (subtest_state->log_cnt && print_subtest) {
+			print_test_log(subtest_state->log_buf,
+				       subtest_state->log_cnt);
+		}
+
+		print_subtest_name(test->test_num, i + 1,
+				   test->test_name, subtest_state->name,
+				   test_result(subtest_state->error_cnt,
+					       subtest_state->skipped));
+	}
+
+	print_test_name(test->test_num, test->test_name,
+			test_result(test_failed, test_state->skip_cnt));
+}
+
+static void stdio_restore(void);
+
+/* A bunch of tests set custom affinity per-thread and/or per-process. Reset
+ * it after each test/sub-test.
+ */
+static void reset_affinity(void)
+{
+	cpu_set_t cpuset;
+	int i, err;
+
+	CPU_ZERO(&cpuset);
+	for (i = 0; i < env.nr_cpus; i++)
+		CPU_SET(i, &cpuset);
+
+	err = sched_setaffinity(0, sizeof(cpuset), &cpuset);
+	if (err < 0) {
+		stdio_restore();
+		fprintf(stderr, "Failed to reset process affinity: %d!\n", err);
+		exit(EXIT_ERR_SETUP_INFRA);
+	}
+	err = pthread_setaffinity_np(pthread_self(), sizeof(cpuset), &cpuset);
+	if (err < 0) {
+		stdio_restore();
+		fprintf(stderr, "Failed to reset thread affinity: %d!\n", err);
+		exit(EXIT_ERR_SETUP_INFRA);
+	}
+}
+
+static void save_netns(void)
+{
+	env.saved_netns_fd = open("/proc/self/ns/net", O_RDONLY);
+	if (env.saved_netns_fd == -1) {
+		perror("open(/proc/self/ns/net)");
+		exit(EXIT_ERR_SETUP_INFRA);
+	}
+}
+
+static void restore_netns(void)
+{
+	if (setns(env.saved_netns_fd, CLONE_NEWNET) == -1) {
+		stdio_restore();
+		perror("setns(CLONE_NEWNS)");
+		exit(EXIT_ERR_SETUP_INFRA);
+	}
+}
+
+void test__end_subtest(void)
+{
+	struct prog_test_def *test = env.test;
+	struct test_state *test_state = env.test_state;
+	struct subtest_state *subtest_state = env.subtest_state;
+
+	if (subtest_state->error_cnt) {
+		test_state->error_cnt++;
+	} else {
+		if (!subtest_state->skipped)
+			test_state->sub_succ_cnt++;
+		else
+			test_state->skip_cnt++;
+	}
+
+	if (verbose() && !env.workers)
+		print_subtest_name(test->test_num, test_state->subtest_num,
+				   test->test_name, subtest_state->name,
+				   test_result(subtest_state->error_cnt,
+					       subtest_state->skipped));
+
+	stdio_restore_cleanup();
+	env.subtest_state = NULL;
+}
+
+bool test__start_subtest(const char *subtest_name)
+{
+	struct prog_test_def *test = env.test;
+	struct test_state *state = env.test_state;
+	struct subtest_state *subtest_state;
+	size_t sub_state_size = sizeof(*subtest_state);
+
+	if (env.subtest_state)
+		test__end_subtest();
+
+	state->subtest_num++;
+	state->subtest_states =
+		realloc(state->subtest_states,
+			state->subtest_num * sub_state_size);
+	if (!state->subtest_states) {
+		fprintf(stderr, "Not enough memory to allocate subtest result\n");
+		return false;
+	}
+
+	subtest_state = &state->subtest_states[state->subtest_num - 1];
+
+	memset(subtest_state, 0, sub_state_size);
+
+	if (!subtest_name || !subtest_name[0]) {
+		fprintf(env.stderr,
+			"Subtest #%d didn't provide sub-test name!\n",
+			state->subtest_num);
+		return false;
+	}
+
+	subtest_state->name = strdup(subtest_name);
+	if (!subtest_state->name) {
+		fprintf(env.stderr,
+			"Subtest #%d: failed to copy subtest name!\n",
+			state->subtest_num);
+		return false;
+	}
+
+	if (!should_run_subtest(&env.test_selector,
+				&env.subtest_selector,
+				state->subtest_num,
+				test->test_name,
+				subtest_name)) {
+		subtest_state->filtered = true;
+		return false;
+	}
+
+	env.subtest_state = subtest_state;
+	stdio_hijack_init(&subtest_state->log_buf, &subtest_state->log_cnt);
+
+	return true;
+}
+
+void test__force_log(void)
+{
+	env.test_state->force_log = true;
+}
+
+void test__skip(void)
+{
+	if (env.subtest_state)
+		env.subtest_state->skipped = true;
+	else
+		env.test_state->skip_cnt++;
+}
+
+void test__fail(void)
+{
+	if (env.subtest_state)
+		env.subtest_state->error_cnt++;
+	else
+		env.test_state->error_cnt++;
+}
+
+int test__join_cgroup(const char *path)
+{
+	int fd;
+
+	if (!env.test->need_cgroup_cleanup) {
+		if (setup_cgroup_environment()) {
+			fprintf(stderr,
+				"#%d %s: Failed to setup cgroup environment\n",
+				env.test->test_num, env.test->test_name);
+			return -1;
+		}
+
+		env.test->need_cgroup_cleanup = true;
+	}
+
+	fd = create_and_get_cgroup(path);
+	if (fd < 0) {
+		fprintf(stderr,
+			"#%d %s: Failed to create cgroup '%s' (errno=%d)\n",
+			env.test->test_num, env.test->test_name, path, errno);
+		return fd;
+	}
+
+	if (join_cgroup(path)) {
+		fprintf(stderr,
+			"#%d %s: Failed to join cgroup '%s' (errno=%d)\n",
+			env.test->test_num, env.test->test_name, path, errno);
+		return -1;
+	}
+
+	return fd;
+}
+
+int bpf_find_map(const char *test, struct bpf_object *obj, const char *name)
+{
+	struct bpf_map *map;
+
+	map = bpf_object__find_map_by_name(obj, name);
+	if (!map) {
+		fprintf(stdout, "%s:FAIL:map '%s' not found\n", test, name);
+		test__fail();
+		return -1;
+	}
+	return bpf_map__fd(map);
+}
+
+static bool is_jit_enabled(void)
+{
+	const char *jit_sysctl = "/proc/sys/net/core/bpf_jit_enable";
+	bool enabled = false;
+	int sysctl_fd;
+
+	sysctl_fd = open(jit_sysctl, 0, O_RDONLY);
+	if (sysctl_fd != -1) {
+		char tmpc;
+
+		if (read(sysctl_fd, &tmpc, sizeof(tmpc)) == 1)
+			enabled = (tmpc != '0');
+		close(sysctl_fd);
+	}
+
+	return enabled;
+}
+
+int compare_map_keys(int map1_fd, int map2_fd)
+{
+	__u32 key, next_key;
+	char val_buf[PERF_MAX_STACK_DEPTH *
+		     sizeof(struct bpf_stack_build_id)];
+	int err;
+
+	err = bpf_map_get_next_key(map1_fd, NULL, &key);
+	if (err)
+		return err;
+	err = bpf_map_lookup_elem(map2_fd, &key, val_buf);
+	if (err)
+		return err;
+
+	while (bpf_map_get_next_key(map1_fd, &key, &next_key) == 0) {
+		err = bpf_map_lookup_elem(map2_fd, &next_key, val_buf);
+		if (err)
+			return err;
+
+		key = next_key;
+	}
+	if (errno != ENOENT)
+		return -1;
+
+	return 0;
+}
+
+int compare_stack_ips(int smap_fd, int amap_fd, int stack_trace_len)
+{
+	__u32 key, next_key, *cur_key_p, *next_key_p;
+	char *val_buf1, *val_buf2;
+	int i, err = 0;
+
+	val_buf1 = malloc(stack_trace_len);
+	val_buf2 = malloc(stack_trace_len);
+	cur_key_p = NULL;
+	next_key_p = &key;
+	while (bpf_map_get_next_key(smap_fd, cur_key_p, next_key_p) == 0) {
+		err = bpf_map_lookup_elem(smap_fd, next_key_p, val_buf1);
+		if (err)
+			goto out;
+		err = bpf_map_lookup_elem(amap_fd, next_key_p, val_buf2);
+		if (err)
+			goto out;
+		for (i = 0; i < stack_trace_len; i++) {
+			if (val_buf1[i] != val_buf2[i]) {
+				err = -1;
+				goto out;
+			}
+		}
+		key = *next_key_p;
+		cur_key_p = &key;
+		next_key_p = &next_key;
+	}
+	if (errno != ENOENT)
+		err = -1;
+
+out:
+	free(val_buf1);
+	free(val_buf2);
+	return err;
+}
+
+int extract_build_id(char *build_id, size_t size)
+{
+	FILE *fp;
+	char *line = NULL;
+	size_t len = 0;
+
+	fp = popen("readelf -n ./urandom_read | grep 'Build ID'", "r");
+	if (fp == NULL)
+		return -1;
+
+	if (getline(&line, &len, fp) == -1)
+		goto err;
+	pclose(fp);
+
+	if (len > size)
+		len = size;
+	memcpy(build_id, line, len);
+	build_id[len] = '\0';
+	free(line);
+	return 0;
+err:
+	pclose(fp);
+	return -1;
+}
+
+static int finit_module(int fd, const char *param_values, int flags)
+{
+	return syscall(__NR_finit_module, fd, param_values, flags);
+}
+
+static int delete_module(const char *name, int flags)
+{
+	return syscall(__NR_delete_module, name, flags);
+}
+
+/*
+ * Trigger synchronize_rcu() in kernel.
+ */
+int kern_sync_rcu(void)
+{
+	return syscall(__NR_membarrier, MEMBARRIER_CMD_SHARED, 0, 0);
+}
+
+static void unload_bpf_testmod(void)
+{
+	if (kern_sync_rcu())
+		fprintf(env.stderr, "Failed to trigger kernel-side RCU sync!\n");
+	if (delete_module("bpf_testmod", 0)) {
+		if (errno == ENOENT) {
+			if (verbose())
+				fprintf(stdout, "bpf_testmod.ko is already unloaded.\n");
+			return;
+		}
+		fprintf(env.stderr, "Failed to unload bpf_testmod.ko from kernel: %d\n", -errno);
+		return;
+	}
+	if (verbose())
+		fprintf(stdout, "Successfully unloaded bpf_testmod.ko.\n");
+}
+
+static int load_bpf_testmod(void)
+{
+	int fd;
+
+	/* ensure previous instance of the module is unloaded */
+	unload_bpf_testmod();
+
+	if (verbose())
+		fprintf(stdout, "Loading bpf_testmod.ko...\n");
+
+	fd = open("bpf_testmod.ko", O_RDONLY);
+	if (fd < 0) {
+		fprintf(env.stderr, "Can't find bpf_testmod.ko kernel module: %d\n", -errno);
+		return -ENOENT;
+	}
+	if (finit_module(fd, "", 0)) {
+		fprintf(env.stderr, "Failed to load bpf_testmod.ko into the kernel: %d\n", -errno);
+		close(fd);
+		return -EINVAL;
+	}
+	close(fd);
+
+	if (verbose())
+		fprintf(stdout, "Successfully loaded bpf_testmod.ko.\n");
+	return 0;
+}
+
+/* extern declarations for test funcs */
+#define DEFINE_TEST(name)				\
+	extern void test_##name(void) __weak;		\
+	extern void serial_test_##name(void) __weak;
+#include <prog_tests/tests.h>
+#undef DEFINE_TEST
+
+static struct prog_test_def prog_test_defs[] = {
+#define DEFINE_TEST(name) {			\
+	.test_name = #name,			\
+	.run_test = &test_##name,		\
+	.run_serial_test = &serial_test_##name,	\
+},
+#include <prog_tests/tests.h>
+#undef DEFINE_TEST
+};
+
+static const int prog_test_cnt = ARRAY_SIZE(prog_test_defs);
+
+static struct test_state test_states[ARRAY_SIZE(prog_test_defs)];
+
+const char *argp_program_version = "test_progs 0.1";
+const char *argp_program_bug_address = "<bpf@vger.kernel.org>";
+static const char argp_program_doc[] = "BPF selftests test runner";
+
+enum ARG_KEYS {
+	ARG_TEST_NUM = 'n',
+	ARG_TEST_NAME = 't',
+	ARG_TEST_NAME_BLACKLIST = 'b',
+	ARG_VERIFIER_STATS = 's',
+	ARG_VERBOSE = 'v',
+	ARG_GET_TEST_CNT = 'c',
+	ARG_LIST_TEST_NAMES = 'l',
+	ARG_TEST_NAME_GLOB_ALLOWLIST = 'a',
+	ARG_TEST_NAME_GLOB_DENYLIST = 'd',
+	ARG_NUM_WORKERS = 'j',
+	ARG_DEBUG = -1,
+};
+
+static const struct argp_option opts[] = {
+	{ "num", ARG_TEST_NUM, "NUM", 0,
+	  "Run test number NUM only " },
+	{ "name", ARG_TEST_NAME, "NAMES", 0,
+	  "Run tests with names containing any string from NAMES list" },
+	{ "name-blacklist", ARG_TEST_NAME_BLACKLIST, "NAMES", 0,
+	  "Don't run tests with names containing any string from NAMES list" },
+	{ "verifier-stats", ARG_VERIFIER_STATS, NULL, 0,
+	  "Output verifier statistics", },
+	{ "verbose", ARG_VERBOSE, "LEVEL", OPTION_ARG_OPTIONAL,
+	  "Verbose output (use -vv or -vvv for progressively verbose output)" },
+	{ "count", ARG_GET_TEST_CNT, NULL, 0,
+	  "Get number of selected top-level tests " },
+	{ "list", ARG_LIST_TEST_NAMES, NULL, 0,
+	  "List test names that would run (without running them) " },
+	{ "allow", ARG_TEST_NAME_GLOB_ALLOWLIST, "NAMES", 0,
+	  "Run tests with name matching the pattern (supports '*' wildcard)." },
+	{ "deny", ARG_TEST_NAME_GLOB_DENYLIST, "NAMES", 0,
+	  "Don't run tests with name matching the pattern (supports '*' wildcard)." },
+	{ "workers", ARG_NUM_WORKERS, "WORKERS", OPTION_ARG_OPTIONAL,
+	  "Number of workers to run in parallel, default to number of cpus." },
+	{ "debug", ARG_DEBUG, NULL, 0,
+	  "print extra debug information for test_progs." },
+	{},
+};
+
+static int libbpf_print_fn(enum libbpf_print_level level,
+			   const char *format, va_list args)
+{
+	if (env.verbosity < VERBOSE_VERY && level == LIBBPF_DEBUG)
+		return 0;
+	vfprintf(stdout, format, args);
+	return 0;
+}
+
+static void free_test_filter_set(const struct test_filter_set *set)
+{
+	int i, j;
+
+	if (!set)
+		return;
+
+	for (i = 0; i < set->cnt; i++) {
+		free((void *)set->tests[i].name);
+		for (j = 0; j < set->tests[i].subtest_cnt; j++)
+			free((void *)set->tests[i].subtests[j]);
+
+		free((void *)set->tests[i].subtests);
+	}
+
+	free((void *)set->tests);
+}
+
+static void free_test_selector(struct test_selector *test_selector)
+{
+	free_test_filter_set(&test_selector->blacklist);
+	free_test_filter_set(&test_selector->whitelist);
+	free(test_selector->num_set);
+}
+
+extern int extra_prog_load_log_flags;
+
+static error_t parse_arg(int key, char *arg, struct argp_state *state)
+{
+	struct test_env *env = state->input;
+
+	switch (key) {
+	case ARG_TEST_NUM: {
+		char *subtest_str = strchr(arg, '/');
+
+		if (subtest_str) {
+			*subtest_str = '\0';
+			if (parse_num_list(subtest_str + 1,
+					   &env->subtest_selector.num_set,
+					   &env->subtest_selector.num_set_len)) {
+				fprintf(stderr,
+					"Failed to parse subtest numbers.\n");
+				return -EINVAL;
+			}
+		}
+		if (parse_num_list(arg, &env->test_selector.num_set,
+				   &env->test_selector.num_set_len)) {
+			fprintf(stderr, "Failed to parse test numbers.\n");
+			return -EINVAL;
+		}
+		break;
+	}
+	case ARG_TEST_NAME_GLOB_ALLOWLIST:
+	case ARG_TEST_NAME: {
+		if (parse_test_list(arg,
+				    &env->test_selector.whitelist,
+				    key == ARG_TEST_NAME_GLOB_ALLOWLIST))
+			return -ENOMEM;
+		break;
+	}
+	case ARG_TEST_NAME_GLOB_DENYLIST:
+	case ARG_TEST_NAME_BLACKLIST: {
+		if (parse_test_list(arg,
+				    &env->test_selector.blacklist,
+				    key == ARG_TEST_NAME_GLOB_DENYLIST))
+			return -ENOMEM;
+		break;
+	}
+	case ARG_VERIFIER_STATS:
+		env->verifier_stats = true;
+		break;
+	case ARG_VERBOSE:
+		env->verbosity = VERBOSE_NORMAL;
+		if (arg) {
+			if (strcmp(arg, "v") == 0) {
+				env->verbosity = VERBOSE_VERY;
+				extra_prog_load_log_flags = 1;
+			} else if (strcmp(arg, "vv") == 0) {
+				env->verbosity = VERBOSE_SUPER;
+				extra_prog_load_log_flags = 2;
+			} else {
+				fprintf(stderr,
+					"Unrecognized verbosity setting ('%s'), only -v and -vv are supported\n",
+					arg);
+				return -EINVAL;
+			}
+		}
+
+		if (verbose()) {
+			if (setenv("SELFTESTS_VERBOSE", "1", 1) == -1) {
+				fprintf(stderr,
+					"Unable to setenv SELFTESTS_VERBOSE=1 (errno=%d)",
+					errno);
+				return -EINVAL;
+			}
+		}
+
+		break;
+	case ARG_GET_TEST_CNT:
+		env->get_test_cnt = true;
+		break;
+	case ARG_LIST_TEST_NAMES:
+		env->list_test_names = true;
+		break;
+	case ARG_NUM_WORKERS:
+		if (arg) {
+			env->workers = atoi(arg);
+			if (!env->workers) {
+				fprintf(stderr, "Invalid number of worker: %s.", arg);
+				return -EINVAL;
+			}
+		} else {
+			env->workers = get_nprocs();
+		}
+		break;
+	case ARG_DEBUG:
+		env->debug = true;
+		break;
+	case ARGP_KEY_ARG:
+		argp_usage(state);
+		break;
+	case ARGP_KEY_END:
+		break;
+	default:
+		return ARGP_ERR_UNKNOWN;
+	}
+	return 0;
+}
+
+/*
+ * Determine if test_progs is running as a "flavored" test runner and switch
+ * into corresponding sub-directory to load correct BPF objects.
+ *
+ * This is done by looking at executable name. If it contains "-flavor"
+ * suffix, then we are running as a flavored test runner.
+ */
+int cd_flavor_subdir(const char *exec_name)
+{
+	/* General form of argv[0] passed here is:
+	 * some/path/to/test_progs[-flavor], where -flavor part is optional.
+	 * First cut out "test_progs[-flavor]" part, then extract "flavor"
+	 * part, if it's there.
+	 */
+	const char *flavor = strrchr(exec_name, '/');
+
+	if (!flavor)
+		flavor = exec_name;
+	else
+		flavor++;
+
+	flavor = strrchr(flavor, '-');
+	if (!flavor)
+		return 0;
+	flavor++;
+	if (verbose())
+		fprintf(stdout,	"Switching to flavor '%s' subdirectory...\n", flavor);
+
+	return chdir(flavor);
+}
+
+int trigger_module_test_read(int read_sz)
+{
+	int fd, err;
+
+	fd = open(BPF_TESTMOD_TEST_FILE, O_RDONLY);
+	err = -errno;
+	if (!ASSERT_GE(fd, 0, "testmod_file_open"))
+		return err;
+
+	read(fd, NULL, read_sz);
+	close(fd);
+
+	return 0;
+}
+
+int trigger_module_test_write(int write_sz)
+{
+	int fd, err;
+	char *buf = malloc(write_sz);
+
+	if (!buf)
+		return -ENOMEM;
+
+	memset(buf, 'a', write_sz);
+	buf[write_sz-1] = '\0';
+
+	fd = open(BPF_TESTMOD_TEST_FILE, O_WRONLY);
+	err = -errno;
+	if (!ASSERT_GE(fd, 0, "testmod_file_open")) {
+		free(buf);
+		return err;
+	}
+
+	write(fd, buf, write_sz);
+	close(fd);
+	free(buf);
+	return 0;
+}
+
+int write_sysctl(const char *sysctl, const char *value)
+{
+	int fd, err, len;
+
+	fd = open(sysctl, O_WRONLY);
+	if (!ASSERT_NEQ(fd, -1, "open sysctl"))
+		return -1;
+
+	len = strlen(value);
+	err = write(fd, value, len);
+	close(fd);
+	if (!ASSERT_EQ(err, len, "write sysctl"))
+		return -1;
+
+	return 0;
+}
+
+#define MAX_BACKTRACE_SZ 128
+void crash_handler(int signum)
+{
+	void *bt[MAX_BACKTRACE_SZ];
+	size_t sz;
+
+	sz = backtrace(bt, ARRAY_SIZE(bt));
+
+	if (env.test) {
+		env.test_state->error_cnt++;
+		dump_test_log(env.test, env.test_state, true, false);
+	}
+	if (env.stdout)
+		stdio_restore();
+	if (env.worker_id != -1)
+		fprintf(stderr, "[%d]: ", env.worker_id);
+	fprintf(stderr, "Caught signal #%d!\nStack trace:\n", signum);
+	backtrace_symbols_fd(bt, sz, STDERR_FILENO);
+}
+
+static void sigint_handler(int signum)
+{
+	int i;
+
+	for (i = 0; i < env.workers; i++)
+		if (env.worker_socks[i] > 0)
+			close(env.worker_socks[i]);
+}
+
+static int current_test_idx;
+static pthread_mutex_t current_test_lock;
+static pthread_mutex_t stdout_output_lock;
+
+static inline const char *str_msg(const struct msg *msg, char *buf)
+{
+	switch (msg->type) {
+	case MSG_DO_TEST:
+		sprintf(buf, "MSG_DO_TEST %d", msg->do_test.num);
+		break;
+	case MSG_TEST_DONE:
+		sprintf(buf, "MSG_TEST_DONE %d (log: %d)",
+			msg->test_done.num,
+			msg->test_done.have_log);
+		break;
+	case MSG_SUBTEST_DONE:
+		sprintf(buf, "MSG_SUBTEST_DONE %d (log: %d)",
+			msg->subtest_done.num,
+			msg->subtest_done.have_log);
+		break;
+	case MSG_TEST_LOG:
+		sprintf(buf, "MSG_TEST_LOG (cnt: %zu, last: %d)",
+			strlen(msg->test_log.log_buf),
+			msg->test_log.is_last);
+		break;
+	case MSG_EXIT:
+		sprintf(buf, "MSG_EXIT");
+		break;
+	default:
+		sprintf(buf, "UNKNOWN");
+		break;
+	}
+
+	return buf;
+}
+
+static int send_message(int sock, const struct msg *msg)
+{
+	char buf[256];
+
+	if (env.debug)
+		fprintf(stderr, "Sending msg: %s\n", str_msg(msg, buf));
+	return send(sock, msg, sizeof(*msg), 0);
+}
+
+static int recv_message(int sock, struct msg *msg)
+{
+	int ret;
+	char buf[256];
+
+	memset(msg, 0, sizeof(*msg));
+	ret = recv(sock, msg, sizeof(*msg), 0);
+	if (ret >= 0) {
+		if (env.debug)
+			fprintf(stderr, "Received msg: %s\n", str_msg(msg, buf));
+	}
+	return ret;
+}
+
+static void run_one_test(int test_num)
+{
+	struct prog_test_def *test = &prog_test_defs[test_num];
+	struct test_state *state = &test_states[test_num];
+
+	env.test = test;
+	env.test_state = state;
+
+	stdio_hijack(&state->log_buf, &state->log_cnt);
+
+	if (test->run_test)
+		test->run_test();
+	else if (test->run_serial_test)
+		test->run_serial_test();
+
+	/* ensure last sub-test is finalized properly */
+	if (env.subtest_state)
+		test__end_subtest();
+
+	state->tested = true;
+
+	if (verbose() && env.worker_id == -1)
+		print_test_name(test_num + 1, test->test_name,
+				test_result(state->error_cnt, state->skip_cnt));
+
+	reset_affinity();
+	restore_netns();
+	if (test->need_cgroup_cleanup)
+		cleanup_cgroup_environment();
+
+	stdio_restore();
+
+	dump_test_log(test, state, false, false);
+}
+
+struct dispatch_data {
+	int worker_id;
+	int sock_fd;
+};
+
+static int read_prog_test_msg(int sock_fd, struct msg *msg, enum msg_type type)
+{
+	if (recv_message(sock_fd, msg) < 0)
+		return 1;
+
+	if (msg->type != type) {
+		printf("%s: unexpected message type %d. expected %d\n", __func__, msg->type, type);
+		return 1;
+	}
+
+	return 0;
+}
+
+static int dispatch_thread_read_log(int sock_fd, char **log_buf, size_t *log_cnt)
+{
+	FILE *log_fp = NULL;
+	int result = 0;
+
+	log_fp = open_memstream(log_buf, log_cnt);
+	if (!log_fp)
+		return 1;
+
+	while (true) {
+		struct msg msg;
+
+		if (read_prog_test_msg(sock_fd, &msg, MSG_TEST_LOG)) {
+			result = 1;
+			goto out;
+		}
+
+		fprintf(log_fp, "%s", msg.test_log.log_buf);
+		if (msg.test_log.is_last)
+			break;
+	}
+
+out:
+	fclose(log_fp);
+	log_fp = NULL;
+	return result;
+}
+
+static int dispatch_thread_send_subtests(int sock_fd, struct test_state *state)
+{
+	struct msg msg;
+	struct subtest_state *subtest_state;
+	int subtest_num = state->subtest_num;
+
+	state->subtest_states = malloc(subtest_num * sizeof(*subtest_state));
+
+	for (int i = 0; i < subtest_num; i++) {
+		subtest_state = &state->subtest_states[i];
+
+		memset(subtest_state, 0, sizeof(*subtest_state));
+
+		if (read_prog_test_msg(sock_fd, &msg, MSG_SUBTEST_DONE))
+			return 1;
+
+		subtest_state->name = strdup(msg.subtest_done.name);
+		subtest_state->error_cnt = msg.subtest_done.error_cnt;
+		subtest_state->skipped = msg.subtest_done.skipped;
+		subtest_state->filtered = msg.subtest_done.filtered;
+
+		/* collect all logs */
+		if (msg.subtest_done.have_log)
+			if (dispatch_thread_read_log(sock_fd,
+						     &subtest_state->log_buf,
+						     &subtest_state->log_cnt))
+				return 1;
+	}
+
+	return 0;
+}
+
+static void *dispatch_thread(void *ctx)
+{
+	struct dispatch_data *data = ctx;
+	int sock_fd;
+
+	sock_fd = data->sock_fd;
+
+	while (true) {
+		int test_to_run = -1;
+		struct prog_test_def *test;
+		struct test_state *state;
+
+		/* grab a test */
+		{
+			pthread_mutex_lock(&current_test_lock);
+
+			if (current_test_idx >= prog_test_cnt) {
+				pthread_mutex_unlock(&current_test_lock);
+				goto done;
+			}
+
+			test = &prog_test_defs[current_test_idx];
+			test_to_run = current_test_idx;
+			current_test_idx++;
+
+			pthread_mutex_unlock(&current_test_lock);
+		}
+
+		if (!test->should_run || test->run_serial_test)
+			continue;
+
+		/* run test through worker */
+		{
+			struct msg msg_do_test;
+
+			memset(&msg_do_test, 0, sizeof(msg_do_test));
+			msg_do_test.type = MSG_DO_TEST;
+			msg_do_test.do_test.num = test_to_run;
+			if (send_message(sock_fd, &msg_do_test) < 0) {
+				perror("Fail to send command");
+				goto done;
+			}
+			env.worker_current_test[data->worker_id] = test_to_run;
+		}
+
+		/* wait for test done */
+		do {
+			struct msg msg;
+
+			if (read_prog_test_msg(sock_fd, &msg, MSG_TEST_DONE))
+				goto error;
+			if (test_to_run != msg.test_done.num)
+				goto error;
+
+			state = &test_states[test_to_run];
+			state->tested = true;
+			state->error_cnt = msg.test_done.error_cnt;
+			state->skip_cnt = msg.test_done.skip_cnt;
+			state->sub_succ_cnt = msg.test_done.sub_succ_cnt;
+			state->subtest_num = msg.test_done.subtest_num;
+
+			/* collect all logs */
+			if (msg.test_done.have_log) {
+				if (dispatch_thread_read_log(sock_fd,
+							     &state->log_buf,
+							     &state->log_cnt))
+					goto error;
+			}
+
+			/* collect all subtests and subtest logs */
+			if (!state->subtest_num)
+				break;
+
+			if (dispatch_thread_send_subtests(sock_fd, state))
+				goto error;
+		} while (false);
+
+		pthread_mutex_lock(&stdout_output_lock);
+		dump_test_log(test, state, false, true);
+		pthread_mutex_unlock(&stdout_output_lock);
+	} /* while (true) */
+error:
+	if (env.debug)
+		fprintf(stderr, "[%d]: Protocol/IO error: %s.\n", data->worker_id, strerror(errno));
+
+done:
+	{
+		struct msg msg_exit;
+
+		msg_exit.type = MSG_EXIT;
+		if (send_message(sock_fd, &msg_exit) < 0) {
+			if (env.debug)
+				fprintf(stderr, "[%d]: send_message msg_exit: %s.\n",
+					data->worker_id, strerror(errno));
+		}
+	}
+	return NULL;
+}
+
+static void calculate_summary_and_print_errors(struct test_env *env)
+{
+	int i;
+	int succ_cnt = 0, fail_cnt = 0, sub_succ_cnt = 0, skip_cnt = 0;
+
+	for (i = 0; i < prog_test_cnt; i++) {
+		struct test_state *state = &test_states[i];
+
+		if (!state->tested)
+			continue;
+
+		sub_succ_cnt += state->sub_succ_cnt;
+		skip_cnt += state->skip_cnt;
+
+		if (state->error_cnt)
+			fail_cnt++;
+		else
+			succ_cnt++;
+	}
+
+	/*
+	 * We only print error logs summary when there are failed tests and
+	 * verbose mode is not enabled. Otherwise, results may be incosistent.
+	 *
+	 */
+	if (!verbose() && fail_cnt) {
+		printf("\nAll error logs:\n");
+
+		/* print error logs again */
+		for (i = 0; i < prog_test_cnt; i++) {
+			struct prog_test_def *test = &prog_test_defs[i];
+			struct test_state *state = &test_states[i];
+
+			if (!state->tested || !state->error_cnt)
+				continue;
+
+			dump_test_log(test, state, true, true);
+		}
+	}
+
+	printf("Summary: %d/%d PASSED, %d SKIPPED, %d FAILED\n",
+	       succ_cnt, sub_succ_cnt, skip_cnt, fail_cnt);
+
+	env->succ_cnt = succ_cnt;
+	env->sub_succ_cnt = sub_succ_cnt;
+	env->fail_cnt = fail_cnt;
+	env->skip_cnt = skip_cnt;
+}
+
+static void server_main(void)
+{
+	pthread_t *dispatcher_threads;
+	struct dispatch_data *data;
+	struct sigaction sigact_int = {
+		.sa_handler = sigint_handler,
+		.sa_flags = SA_RESETHAND,
+	};
+	int i;
+
+	sigaction(SIGINT, &sigact_int, NULL);
+
+	dispatcher_threads = calloc(sizeof(pthread_t), env.workers);
+	data = calloc(sizeof(struct dispatch_data), env.workers);
+
+	env.worker_current_test = calloc(sizeof(int), env.workers);
+	for (i = 0; i < env.workers; i++) {
+		int rc;
+
+		data[i].worker_id = i;
+		data[i].sock_fd = env.worker_socks[i];
+		rc = pthread_create(&dispatcher_threads[i], NULL, dispatch_thread, &data[i]);
+		if (rc < 0) {
+			perror("Failed to launch dispatcher thread");
+			exit(EXIT_ERR_SETUP_INFRA);
+		}
+	}
+
+	/* wait for all dispatcher to finish */
+	for (i = 0; i < env.workers; i++) {
+		while (true) {
+			int ret = pthread_tryjoin_np(dispatcher_threads[i], NULL);
+
+			if (!ret) {
+				break;
+			} else if (ret == EBUSY) {
+				if (env.debug)
+					fprintf(stderr, "Still waiting for thread %d (test %d).\n",
+						i,  env.worker_current_test[i] + 1);
+				usleep(1000 * 1000);
+				continue;
+			} else {
+				fprintf(stderr, "Unexpected error joining dispatcher thread: %d", ret);
+				break;
+			}
+		}
+	}
+	free(dispatcher_threads);
+	free(env.worker_current_test);
+	free(data);
+
+	/* run serial tests */
+	save_netns();
+
+	for (int i = 0; i < prog_test_cnt; i++) {
+		struct prog_test_def *test = &prog_test_defs[i];
+
+		if (!test->should_run || !test->run_serial_test)
+			continue;
+
+		run_one_test(i);
+	}
+
+	/* generate summary */
+	fflush(stderr);
+	fflush(stdout);
+
+	calculate_summary_and_print_errors(&env);
+
+	/* reap all workers */
+	for (i = 0; i < env.workers; i++) {
+		int wstatus, pid;
+
+		pid = waitpid(env.worker_pids[i], &wstatus, 0);
+		if (pid != env.worker_pids[i])
+			perror("Unable to reap worker");
+	}
+}
+
+static void worker_main_send_log(int sock, char *log_buf, size_t log_cnt)
+{
+	char *src;
+	size_t slen;
+
+	src = log_buf;
+	slen = log_cnt;
+	while (slen) {
+		struct msg msg_log;
+		char *dest;
+		size_t len;
+
+		memset(&msg_log, 0, sizeof(msg_log));
+		msg_log.type = MSG_TEST_LOG;
+		dest = msg_log.test_log.log_buf;
+		len = slen >= MAX_LOG_TRUNK_SIZE ? MAX_LOG_TRUNK_SIZE : slen;
+		memcpy(dest, src, len);
+
+		src += len;
+		slen -= len;
+		if (!slen)
+			msg_log.test_log.is_last = true;
+
+		assert(send_message(sock, &msg_log) >= 0);
+	}
+}
+
+static void free_subtest_state(struct subtest_state *state)
+{
+	if (state->log_buf) {
+		free(state->log_buf);
+		state->log_buf = NULL;
+		state->log_cnt = 0;
+	}
+	free(state->name);
+	state->name = NULL;
+}
+
+static int worker_main_send_subtests(int sock, struct test_state *state)
+{
+	int i, result = 0;
+	struct msg msg;
+	struct subtest_state *subtest_state;
+
+	memset(&msg, 0, sizeof(msg));
+	msg.type = MSG_SUBTEST_DONE;
+
+	for (i = 0; i < state->subtest_num; i++) {
+		subtest_state = &state->subtest_states[i];
+
+		msg.subtest_done.num = i;
+
+		strncpy(msg.subtest_done.name, subtest_state->name, MAX_SUBTEST_NAME);
+
+		msg.subtest_done.error_cnt = subtest_state->error_cnt;
+		msg.subtest_done.skipped = subtest_state->skipped;
+		msg.subtest_done.filtered = subtest_state->filtered;
+		msg.subtest_done.have_log = false;
+
+		if (verbose() || state->force_log || subtest_state->error_cnt) {
+			if (subtest_state->log_cnt)
+				msg.subtest_done.have_log = true;
+		}
+
+		if (send_message(sock, &msg) < 0) {
+			perror("Fail to send message done");
+			result = 1;
+			goto out;
+		}
+
+		/* send logs */
+		if (msg.subtest_done.have_log)
+			worker_main_send_log(sock, subtest_state->log_buf, subtest_state->log_cnt);
+
+		free_subtest_state(subtest_state);
+		free(subtest_state->name);
+	}
+
+out:
+	for (; i < state->subtest_num; i++)
+		free_subtest_state(&state->subtest_states[i]);
+	free(state->subtest_states);
+	return result;
+}
+
+static int worker_main(int sock)
+{
+	save_netns();
+
+	while (true) {
+		/* receive command */
+		struct msg msg;
+
+		if (recv_message(sock, &msg) < 0)
+			goto out;
+
+		switch (msg.type) {
+		case MSG_EXIT:
+			if (env.debug)
+				fprintf(stderr, "[%d]: worker exit.\n",
+					env.worker_id);
+			goto out;
+		case MSG_DO_TEST: {
+			int test_to_run = msg.do_test.num;
+			struct prog_test_def *test = &prog_test_defs[test_to_run];
+			struct test_state *state = &test_states[test_to_run];
+			struct msg msg;
+
+			if (env.debug)
+				fprintf(stderr, "[%d]: #%d:%s running.\n",
+					env.worker_id,
+					test_to_run + 1,
+					test->test_name);
+
+			run_one_test(test_to_run);
+
+			memset(&msg, 0, sizeof(msg));
+			msg.type = MSG_TEST_DONE;
+			msg.test_done.num = test_to_run;
+			msg.test_done.error_cnt = state->error_cnt;
+			msg.test_done.skip_cnt = state->skip_cnt;
+			msg.test_done.sub_succ_cnt = state->sub_succ_cnt;
+			msg.test_done.subtest_num = state->subtest_num;
+			msg.test_done.have_log = false;
+
+			if (verbose() || state->force_log || state->error_cnt) {
+				if (state->log_cnt)
+					msg.test_done.have_log = true;
+			}
+			if (send_message(sock, &msg) < 0) {
+				perror("Fail to send message done");
+				goto out;
+			}
+
+			/* send logs */
+			if (msg.test_done.have_log)
+				worker_main_send_log(sock, state->log_buf, state->log_cnt);
+
+			if (state->log_buf) {
+				free(state->log_buf);
+				state->log_buf = NULL;
+				state->log_cnt = 0;
+			}
+
+			if (state->subtest_num)
+				if (worker_main_send_subtests(sock, state))
+					goto out;
+
+			if (env.debug)
+				fprintf(stderr, "[%d]: #%d:%s done.\n",
+					env.worker_id,
+					test_to_run + 1,
+					test->test_name);
+			break;
+		} /* case MSG_DO_TEST */
+		default:
+			if (env.debug)
+				fprintf(stderr, "[%d]: unknown message.\n",  env.worker_id);
+			return -1;
+		}
+	}
+out:
+	return 0;
+}
+
+static void free_test_states(void)
+{
+	int i, j;
+
+	for (i = 0; i < ARRAY_SIZE(prog_test_defs); i++) {
+		struct test_state *test_state = &test_states[i];
+
+		for (j = 0; j < test_state->subtest_num; j++)
+			free_subtest_state(&test_state->subtest_states[j]);
+
+		free(test_state->subtest_states);
+		free(test_state->log_buf);
+		test_state->subtest_states = NULL;
+		test_state->log_buf = NULL;
+	}
+}
+
+int main(int argc, char **argv)
+{
+	static const struct argp argp = {
+		.options = opts,
+		.parser = parse_arg,
+		.doc = argp_program_doc,
+	};
+	struct sigaction sigact = {
+		.sa_handler = crash_handler,
+		.sa_flags = SA_RESETHAND,
+		};
+	int err, i;
+
+	sigaction(SIGSEGV, &sigact, NULL);
+
+	err = argp_parse(&argp, argc, argv, 0, NULL, &env);
+	if (err)
+		return err;
+
+	err = cd_flavor_subdir(argv[0]);
+	if (err)
+		return err;
+
+	/* Use libbpf 1.0 API mode */
+	libbpf_set_strict_mode(LIBBPF_STRICT_ALL);
+	libbpf_set_print(libbpf_print_fn);
+
+	srand(time(NULL));
+
+	env.jit_enabled = is_jit_enabled();
+	env.nr_cpus = libbpf_num_possible_cpus();
+	if (env.nr_cpus < 0) {
+		fprintf(stderr, "Failed to get number of CPUs: %d!\n",
+			env.nr_cpus);
+		return -1;
+	}
+
+	env.stdout = stdout;
+	env.stderr = stderr;
+
+	env.has_testmod = true;
+	if (!env.list_test_names && load_bpf_testmod()) {
+		fprintf(env.stderr, "WARNING! Selftests relying on bpf_testmod.ko will be skipped.\n");
+		env.has_testmod = false;
+	}
+
+	/* initializing tests */
+	for (i = 0; i < prog_test_cnt; i++) {
+		struct prog_test_def *test = &prog_test_defs[i];
+
+		test->test_num = i + 1;
+		test->should_run = should_run(&env.test_selector,
+					      test->test_num, test->test_name);
+
+		if ((test->run_test == NULL && test->run_serial_test == NULL) ||
+		    (test->run_test != NULL && test->run_serial_test != NULL)) {
+			fprintf(stderr, "Test %d:%s must have either test_%s() or serial_test_%sl() defined.\n",
+				test->test_num, test->test_name, test->test_name, test->test_name);
+			exit(EXIT_ERR_SETUP_INFRA);
+		}
+	}
+
+	/* ignore workers if we are just listing */
+	if (env.get_test_cnt || env.list_test_names)
+		env.workers = 0;
+
+	/* launch workers if requested */
+	env.worker_id = -1; /* main process */
+	if (env.workers) {
+		env.worker_pids = calloc(sizeof(__pid_t), env.workers);
+		env.worker_socks = calloc(sizeof(int), env.workers);
+		if (env.debug)
+			fprintf(stdout, "Launching %d workers.\n", env.workers);
+		for (i = 0; i < env.workers; i++) {
+			int sv[2];
+			pid_t pid;
+
+			if (socketpair(AF_UNIX, SOCK_SEQPACKET | SOCK_CLOEXEC, 0, sv) < 0) {
+				perror("Fail to create worker socket");
+				return -1;
+			}
+			pid = fork();
+			if (pid < 0) {
+				perror("Failed to fork worker");
+				return -1;
+			} else if (pid != 0) { /* main process */
+				close(sv[1]);
+				env.worker_pids[i] = pid;
+				env.worker_socks[i] = sv[0];
+			} else { /* inside each worker process */
+				close(sv[0]);
+				env.worker_id = i;
+				return worker_main(sv[1]);
+			}
+		}
+
+		if (env.worker_id == -1) {
+			server_main();
+			goto out;
+		}
+	}
+
+	/* The rest of the main process */
+
+	/* on single mode */
+	save_netns();
+
+	for (i = 0; i < prog_test_cnt; i++) {
+		struct prog_test_def *test = &prog_test_defs[i];
+
+		if (!test->should_run)
+			continue;
+
+		if (env.get_test_cnt) {
+			env.succ_cnt++;
+			continue;
+		}
+
+		if (env.list_test_names) {
+			fprintf(env.stdout, "%s\n", test->test_name);
+			env.succ_cnt++;
+			continue;
+		}
+
+		run_one_test(i);
+	}
+
+	if (env.get_test_cnt) {
+		printf("%d\n", env.succ_cnt);
+		goto out;
+	}
+
+	if (env.list_test_names)
+		goto out;
+
+	calculate_summary_and_print_errors(&env);
+
+	close(env.saved_netns_fd);
+out:
+	if (!env.list_test_names && env.has_testmod)
+		unload_bpf_testmod();
+
+	free_test_selector(&env.test_selector);
+	free_test_selector(&env.subtest_selector);
+	free_test_states();
+
+	if (env.succ_cnt + env.fail_cnt + env.skip_cnt == 0)
+		return EXIT_NO_TEST;
+
+	return env.fail_cnt ? EXIT_FAILURE : EXIT_SUCCESS;
+}
diff --git a/tools/testing/selftests/bpf/test_progs.h b/tools/testing/selftests/bpf/test_progs.h
new file mode 100644
index 000000000..b090996da
--- /dev/null
+++ b/tools/testing/selftests/bpf/test_progs.h
@@ -0,0 +1,399 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#include <stdio.h>
+#include <unistd.h>
+#include <errno.h>
+#include <string.h>
+#include <assert.h>
+#include <stdlib.h>
+#include <stdarg.h>
+#include <time.h>
+#include <signal.h>
+
+#include <linux/types.h>
+typedef __u16 __sum16;
+#include <arpa/inet.h>
+#include <linux/if_ether.h>
+#include <linux/if_packet.h>
+#include <linux/ip.h>
+#include <linux/ipv6.h>
+#include <linux/filter.h>
+#include <linux/perf_event.h>
+#include <linux/socket.h>
+#include <linux/unistd.h>
+
+#include <sys/ioctl.h>
+#include <sys/wait.h>
+#include <sys/types.h>
+#include <sys/time.h>
+#include <sys/param.h>
+#include <fcntl.h>
+#include <pthread.h>
+#include <linux/bpf.h>
+#include <linux/err.h>
+#include <bpf/bpf.h>
+#include <bpf/libbpf.h>
+
+#include "test_iptunnel_common.h"
+#include "bpf_util.h"
+#include <bpf/bpf_endian.h>
+#include "trace_helpers.h"
+#include "testing_helpers.h"
+
+enum verbosity {
+	VERBOSE_NONE,
+	VERBOSE_NORMAL,
+	VERBOSE_VERY,
+	VERBOSE_SUPER,
+};
+
+struct test_filter {
+	char *name;
+	char **subtests;
+	int subtest_cnt;
+};
+
+struct test_filter_set {
+	struct test_filter *tests;
+	int cnt;
+};
+
+struct test_selector {
+	struct test_filter_set whitelist;
+	struct test_filter_set blacklist;
+	bool *num_set;
+	int num_set_len;
+};
+
+struct subtest_state {
+	char *name;
+	size_t log_cnt;
+	char *log_buf;
+	int error_cnt;
+	bool skipped;
+	bool filtered;
+
+	FILE *stdout;
+};
+
+struct test_state {
+	bool tested;
+	bool force_log;
+
+	int error_cnt;
+	int skip_cnt;
+	int sub_succ_cnt;
+
+	struct subtest_state *subtest_states;
+	int subtest_num;
+
+	size_t log_cnt;
+	char *log_buf;
+
+	FILE *stdout;
+};
+
+struct test_env {
+	struct test_selector test_selector;
+	struct test_selector subtest_selector;
+	bool verifier_stats;
+	bool debug;
+	enum verbosity verbosity;
+
+	bool jit_enabled;
+	bool has_testmod;
+	bool get_test_cnt;
+	bool list_test_names;
+
+	struct prog_test_def *test; /* current running test */
+	struct test_state *test_state; /* current running test state */
+	struct subtest_state *subtest_state; /* current running subtest state */
+
+	FILE *stdout;
+	FILE *stderr;
+	int nr_cpus;
+
+	int succ_cnt; /* successful tests */
+	int sub_succ_cnt; /* successful sub-tests */
+	int fail_cnt; /* total failed tests + sub-tests */
+	int skip_cnt; /* skipped tests */
+
+	int saved_netns_fd;
+	int workers; /* number of worker process */
+	int worker_id; /* id number of current worker, main process is -1 */
+	pid_t *worker_pids; /* array of worker pids */
+	int *worker_socks; /* array of worker socks */
+	int *worker_current_test; /* array of current running test for each worker */
+};
+
+#define MAX_LOG_TRUNK_SIZE 8192
+#define MAX_SUBTEST_NAME 1024
+enum msg_type {
+	MSG_DO_TEST = 0,
+	MSG_TEST_DONE = 1,
+	MSG_TEST_LOG = 2,
+	MSG_SUBTEST_DONE = 3,
+	MSG_EXIT = 255,
+};
+struct msg {
+	enum msg_type type;
+	union {
+		struct {
+			int num;
+		} do_test;
+		struct {
+			int num;
+			int sub_succ_cnt;
+			int error_cnt;
+			int skip_cnt;
+			bool have_log;
+			int subtest_num;
+		} test_done;
+		struct {
+			char log_buf[MAX_LOG_TRUNK_SIZE + 1];
+			bool is_last;
+		} test_log;
+		struct {
+			int num;
+			char name[MAX_SUBTEST_NAME + 1];
+			int error_cnt;
+			bool skipped;
+			bool filtered;
+			bool have_log;
+		} subtest_done;
+	};
+};
+
+extern struct test_env env;
+
+void test__force_log(void);
+bool test__start_subtest(const char *name);
+void test__end_subtest(void);
+void test__skip(void);
+void test__fail(void);
+int test__join_cgroup(const char *path);
+
+#define PRINT_FAIL(format...)                                                  \
+	({                                                                     \
+		test__fail();                                                  \
+		fprintf(stdout, "%s:FAIL:%d ", __func__, __LINE__);            \
+		fprintf(stdout, ##format);                                     \
+	})
+
+#define _CHECK(condition, tag, duration, format...) ({			\
+	int __ret = !!(condition);					\
+	int __save_errno = errno;					\
+	if (__ret) {							\
+		test__fail();						\
+		fprintf(stdout, "%s:FAIL:%s ", __func__, tag);		\
+		fprintf(stdout, ##format);				\
+	} else {							\
+		fprintf(stdout, "%s:PASS:%s %d nsec\n",			\
+		       __func__, tag, duration);			\
+	}								\
+	errno = __save_errno;						\
+	__ret;								\
+})
+
+#define CHECK_FAIL(condition) ({					\
+	int __ret = !!(condition);					\
+	int __save_errno = errno;					\
+	if (__ret) {							\
+		test__fail();						\
+		fprintf(stdout, "%s:FAIL:%d\n", __func__, __LINE__);	\
+	}								\
+	errno = __save_errno;						\
+	__ret;								\
+})
+
+#define CHECK(condition, tag, format...) \
+	_CHECK(condition, tag, duration, format)
+#define CHECK_ATTR(condition, tag, format...) \
+	_CHECK(condition, tag, tattr.duration, format)
+
+#define ASSERT_TRUE(actual, name) ({					\
+	static int duration = 0;					\
+	bool ___ok = (actual);						\
+	CHECK(!___ok, (name), "unexpected %s: got FALSE\n", (name));	\
+	___ok;								\
+})
+
+#define ASSERT_FALSE(actual, name) ({					\
+	static int duration = 0;					\
+	bool ___ok = !(actual);						\
+	CHECK(!___ok, (name), "unexpected %s: got TRUE\n", (name));	\
+	___ok;								\
+})
+
+#define ASSERT_EQ(actual, expected, name) ({				\
+	static int duration = 0;					\
+	typeof(actual) ___act = (actual);				\
+	typeof(expected) ___exp = (expected);				\
+	bool ___ok = ___act == ___exp;					\
+	CHECK(!___ok, (name),						\
+	      "unexpected %s: actual %lld != expected %lld\n",		\
+	      (name), (long long)(___act), (long long)(___exp));	\
+	___ok;								\
+})
+
+#define ASSERT_NEQ(actual, expected, name) ({				\
+	static int duration = 0;					\
+	typeof(actual) ___act = (actual);				\
+	typeof(expected) ___exp = (expected);				\
+	bool ___ok = ___act != ___exp;					\
+	CHECK(!___ok, (name),						\
+	      "unexpected %s: actual %lld == expected %lld\n",		\
+	      (name), (long long)(___act), (long long)(___exp));	\
+	___ok;								\
+})
+
+#define ASSERT_LT(actual, expected, name) ({				\
+	static int duration = 0;					\
+	typeof(actual) ___act = (actual);				\
+	typeof(expected) ___exp = (expected);				\
+	bool ___ok = ___act < ___exp;					\
+	CHECK(!___ok, (name),						\
+	      "unexpected %s: actual %lld >= expected %lld\n",		\
+	      (name), (long long)(___act), (long long)(___exp));	\
+	___ok;								\
+})
+
+#define ASSERT_LE(actual, expected, name) ({				\
+	static int duration = 0;					\
+	typeof(actual) ___act = (actual);				\
+	typeof(expected) ___exp = (expected);				\
+	bool ___ok = ___act <= ___exp;					\
+	CHECK(!___ok, (name),						\
+	      "unexpected %s: actual %lld > expected %lld\n",		\
+	      (name), (long long)(___act), (long long)(___exp));	\
+	___ok;								\
+})
+
+#define ASSERT_GT(actual, expected, name) ({				\
+	static int duration = 0;					\
+	typeof(actual) ___act = (actual);				\
+	typeof(expected) ___exp = (expected);				\
+	bool ___ok = ___act > ___exp;					\
+	CHECK(!___ok, (name),						\
+	      "unexpected %s: actual %lld <= expected %lld\n",		\
+	      (name), (long long)(___act), (long long)(___exp));	\
+	___ok;								\
+})
+
+#define ASSERT_GE(actual, expected, name) ({				\
+	static int duration = 0;					\
+	typeof(actual) ___act = (actual);				\
+	typeof(expected) ___exp = (expected);				\
+	bool ___ok = ___act >= ___exp;					\
+	CHECK(!___ok, (name),						\
+	      "unexpected %s: actual %lld < expected %lld\n",		\
+	      (name), (long long)(___act), (long long)(___exp));	\
+	___ok;								\
+})
+
+#define ASSERT_STREQ(actual, expected, name) ({				\
+	static int duration = 0;					\
+	const char *___act = actual;					\
+	const char *___exp = expected;					\
+	bool ___ok = strcmp(___act, ___exp) == 0;			\
+	CHECK(!___ok, (name),						\
+	      "unexpected %s: actual '%s' != expected '%s'\n",		\
+	      (name), ___act, ___exp);					\
+	___ok;								\
+})
+
+#define ASSERT_STRNEQ(actual, expected, len, name) ({			\
+	static int duration = 0;					\
+	const char *___act = actual;					\
+	const char *___exp = expected;					\
+	int ___len = len;						\
+	bool ___ok = strncmp(___act, ___exp, ___len) == 0;		\
+	CHECK(!___ok, (name),						\
+	      "unexpected %s: actual '%.*s' != expected '%.*s'\n",	\
+	      (name), ___len, ___act, ___len, ___exp);			\
+	___ok;								\
+})
+
+#define ASSERT_HAS_SUBSTR(str, substr, name) ({				\
+	static int duration = 0;					\
+	const char *___str = str;					\
+	const char *___substr = substr;					\
+	bool ___ok = strstr(___str, ___substr) != NULL;			\
+	CHECK(!___ok, (name),						\
+	      "unexpected %s: '%s' is not a substring of '%s'\n",	\
+	      (name), ___substr, ___str);				\
+	___ok;								\
+})
+
+#define ASSERT_OK(res, name) ({						\
+	static int duration = 0;					\
+	long long ___res = (res);					\
+	bool ___ok = ___res == 0;					\
+	CHECK(!___ok, (name), "unexpected error: %lld (errno %d)\n",	\
+	      ___res, errno);						\
+	___ok;								\
+})
+
+#define ASSERT_ERR(res, name) ({					\
+	static int duration = 0;					\
+	long long ___res = (res);					\
+	bool ___ok = ___res < 0;					\
+	CHECK(!___ok, (name), "unexpected success: %lld\n", ___res);	\
+	___ok;								\
+})
+
+#define ASSERT_NULL(ptr, name) ({					\
+	static int duration = 0;					\
+	const void *___res = (ptr);					\
+	bool ___ok = !___res;						\
+	CHECK(!___ok, (name), "unexpected pointer: %p\n", ___res);	\
+	___ok;								\
+})
+
+#define ASSERT_OK_PTR(ptr, name) ({					\
+	static int duration = 0;					\
+	const void *___res = (ptr);					\
+	int ___err = libbpf_get_error(___res);				\
+	bool ___ok = ___err == 0;					\
+	CHECK(!___ok, (name), "unexpected error: %d\n", ___err);	\
+	___ok;								\
+})
+
+#define ASSERT_ERR_PTR(ptr, name) ({					\
+	static int duration = 0;					\
+	const void *___res = (ptr);					\
+	int ___err = libbpf_get_error(___res);				\
+	bool ___ok = ___err != 0;					\
+	CHECK(!___ok, (name), "unexpected pointer: %p\n", ___res);	\
+	___ok;								\
+})
+
+static inline __u64 ptr_to_u64(const void *ptr)
+{
+	return (__u64) (unsigned long) ptr;
+}
+
+static inline void *u64_to_ptr(__u64 ptr)
+{
+	return (void *) (unsigned long) ptr;
+}
+
+int bpf_find_map(const char *test, struct bpf_object *obj, const char *name);
+int compare_map_keys(int map1_fd, int map2_fd);
+int compare_stack_ips(int smap_fd, int amap_fd, int stack_trace_len);
+int extract_build_id(char *build_id, size_t size);
+int kern_sync_rcu(void);
+int trigger_module_test_read(int read_sz);
+int trigger_module_test_write(int write_sz);
+int write_sysctl(const char *sysctl, const char *value);
+
+#ifdef __x86_64__
+#define SYS_NANOSLEEP_KPROBE_NAME "__x64_sys_nanosleep"
+#elif defined(__s390x__)
+#define SYS_NANOSLEEP_KPROBE_NAME "__s390x_sys_nanosleep"
+#elif defined(__aarch64__)
+#define SYS_NANOSLEEP_KPROBE_NAME "__arm64_sys_nanosleep"
+#else
+#define SYS_NANOSLEEP_KPROBE_NAME "sys_nanosleep"
+#endif
+
+#define BPF_TESTMOD_TEST_FILE "/sys/kernel/bpf_testmod"
diff --git a/tools/testing/selftests/bpf/test_select_reuseport_common.h b/tools/testing/selftests/bpf/test_select_reuseport_common.h
new file mode 100644
index 000000000..08eb2a9f1
--- /dev/null
+++ b/tools/testing/selftests/bpf/test_select_reuseport_common.h
@@ -0,0 +1,36 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* Copyright (c) 2018 Facebook */
+
+#ifndef __TEST_SELECT_REUSEPORT_COMMON_H
+#define __TEST_SELECT_REUSEPORT_COMMON_H
+
+#include <linux/types.h>
+
+enum result {
+	DROP_ERR_INNER_MAP,
+	DROP_ERR_SKB_DATA,
+	DROP_ERR_SK_SELECT_REUSEPORT,
+	DROP_MISC,
+	PASS,
+	PASS_ERR_SK_SELECT_REUSEPORT,
+	NR_RESULTS,
+};
+
+struct cmd {
+	__u32 reuseport_index;
+	__u32 pass_on_failure;
+};
+
+struct data_check {
+	__u32 ip_protocol;
+	__u32 skb_addrs[8];
+	__u16 skb_ports[2];
+	__u16 eth_protocol;
+	__u8  bind_inany;
+	__u8  equal_check_end[0];
+
+	__u32 len;
+	__u32 hash;
+};
+
+#endif
diff --git a/tools/testing/selftests/bpf/test_skb_cgroup_id.sh b/tools/testing/selftests/bpf/test_skb_cgroup_id.sh
new file mode 100755
index 000000000..515c2eafc
--- /dev/null
+++ b/tools/testing/selftests/bpf/test_skb_cgroup_id.sh
@@ -0,0 +1,63 @@
+#!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
+# Copyright (c) 2018 Facebook
+
+set -eu
+
+wait_for_ip()
+{
+	local _i
+	echo -n "Wait for testing link-local IP to become available "
+	for _i in $(seq ${MAX_PING_TRIES}); do
+		echo -n "."
+		if $PING6 -c 1 -W 1 ff02::1%${TEST_IF} >/dev/null 2>&1; then
+			echo " OK"
+			return
+		fi
+		sleep 1
+	done
+	echo 1>&2 "ERROR: Timeout waiting for test IP to become available."
+	exit 1
+}
+
+setup()
+{
+	# Create testing interfaces not to interfere with current environment.
+	ip link add dev ${TEST_IF} type veth peer name ${TEST_IF_PEER}
+	ip link set ${TEST_IF} up
+	ip link set ${TEST_IF_PEER} up
+
+	wait_for_ip
+
+	tc qdisc add dev ${TEST_IF} clsact
+	tc filter add dev ${TEST_IF} egress bpf obj ${BPF_PROG_OBJ} \
+		sec ${BPF_PROG_SECTION} da
+
+	BPF_PROG_ID=$(tc filter show dev ${TEST_IF} egress | \
+			awk '/ id / {sub(/.* id /, "", $0); print($1)}')
+}
+
+cleanup()
+{
+	ip link del ${TEST_IF} 2>/dev/null || :
+	ip link del ${TEST_IF_PEER} 2>/dev/null || :
+}
+
+main()
+{
+	trap cleanup EXIT 2 3 6 15
+	setup
+	${PROG} ${TEST_IF} ${BPF_PROG_ID}
+}
+
+DIR=$(dirname $0)
+TEST_IF="test_cgid_1"
+TEST_IF_PEER="test_cgid_2"
+MAX_PING_TRIES=5
+BPF_PROG_OBJ="${DIR}/test_skb_cgroup_id_kern.bpf.o"
+BPF_PROG_SECTION="cgroup_id_logger"
+BPF_PROG_ID=0
+PROG="${DIR}/test_skb_cgroup_id_user"
+type ping6 >/dev/null 2>&1 && PING6="ping6" || PING6="ping -6"
+
+main
diff --git a/tools/testing/selftests/bpf/test_skb_cgroup_id_user.c b/tools/testing/selftests/bpf/test_skb_cgroup_id_user.c
new file mode 100644
index 000000000..3256de30f
--- /dev/null
+++ b/tools/testing/selftests/bpf/test_skb_cgroup_id_user.c
@@ -0,0 +1,183 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (c) 2018 Facebook
+
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+#include <arpa/inet.h>
+#include <net/if.h>
+#include <netinet/in.h>
+#include <sys/socket.h>
+#include <sys/types.h>
+
+
+#include <bpf/bpf.h>
+#include <bpf/libbpf.h>
+
+#include "cgroup_helpers.h"
+
+#define CGROUP_PATH		"/skb_cgroup_test"
+#define NUM_CGROUP_LEVELS	4
+
+/* RFC 4291, Section 2.7.1 */
+#define LINKLOCAL_MULTICAST	"ff02::1"
+
+static int mk_dst_addr(const char *ip, const char *iface,
+		       struct sockaddr_in6 *dst)
+{
+	memset(dst, 0, sizeof(*dst));
+
+	dst->sin6_family = AF_INET6;
+	dst->sin6_port = htons(1025);
+
+	if (inet_pton(AF_INET6, ip, &dst->sin6_addr) != 1) {
+		log_err("Invalid IPv6: %s", ip);
+		return -1;
+	}
+
+	dst->sin6_scope_id = if_nametoindex(iface);
+	if (!dst->sin6_scope_id) {
+		log_err("Failed to get index of iface: %s", iface);
+		return -1;
+	}
+
+	return 0;
+}
+
+static int send_packet(const char *iface)
+{
+	struct sockaddr_in6 dst;
+	char msg[] = "msg";
+	int err = 0;
+	int fd = -1;
+
+	if (mk_dst_addr(LINKLOCAL_MULTICAST, iface, &dst))
+		goto err;
+
+	fd = socket(AF_INET6, SOCK_DGRAM, 0);
+	if (fd == -1) {
+		log_err("Failed to create UDP socket");
+		goto err;
+	}
+
+	if (sendto(fd, &msg, sizeof(msg), 0, (const struct sockaddr *)&dst,
+		   sizeof(dst)) == -1) {
+		log_err("Failed to send datagram");
+		goto err;
+	}
+
+	goto out;
+err:
+	err = -1;
+out:
+	if (fd >= 0)
+		close(fd);
+	return err;
+}
+
+int get_map_fd_by_prog_id(int prog_id)
+{
+	struct bpf_prog_info info = {};
+	__u32 info_len = sizeof(info);
+	__u32 map_ids[1];
+	int prog_fd = -1;
+	int map_fd = -1;
+
+	prog_fd = bpf_prog_get_fd_by_id(prog_id);
+	if (prog_fd < 0) {
+		log_err("Failed to get fd by prog id %d", prog_id);
+		goto err;
+	}
+
+	info.nr_map_ids = 1;
+	info.map_ids = (__u64) (unsigned long) map_ids;
+
+	if (bpf_obj_get_info_by_fd(prog_fd, &info, &info_len)) {
+		log_err("Failed to get info by prog fd %d", prog_fd);
+		goto err;
+	}
+
+	if (!info.nr_map_ids) {
+		log_err("No maps found for prog fd %d", prog_fd);
+		goto err;
+	}
+
+	map_fd = bpf_map_get_fd_by_id(map_ids[0]);
+	if (map_fd < 0)
+		log_err("Failed to get fd by map id %d", map_ids[0]);
+err:
+	if (prog_fd >= 0)
+		close(prog_fd);
+	return map_fd;
+}
+
+int check_ancestor_cgroup_ids(int prog_id)
+{
+	__u64 actual_ids[NUM_CGROUP_LEVELS], expected_ids[NUM_CGROUP_LEVELS];
+	__u32 level;
+	int err = 0;
+	int map_fd;
+
+	expected_ids[0] = get_cgroup_id("/..");	/* root cgroup */
+	expected_ids[1] = get_cgroup_id("");
+	expected_ids[2] = get_cgroup_id(CGROUP_PATH);
+	expected_ids[3] = 0; /* non-existent cgroup */
+
+	map_fd = get_map_fd_by_prog_id(prog_id);
+	if (map_fd < 0)
+		goto err;
+
+	for (level = 0; level < NUM_CGROUP_LEVELS; ++level) {
+		if (bpf_map_lookup_elem(map_fd, &level, &actual_ids[level])) {
+			log_err("Failed to lookup key %d", level);
+			goto err;
+		}
+		if (actual_ids[level] != expected_ids[level]) {
+			log_err("%llx (actual) != %llx (expected), level: %u\n",
+				actual_ids[level], expected_ids[level], level);
+			goto err;
+		}
+	}
+
+	goto out;
+err:
+	err = -1;
+out:
+	if (map_fd >= 0)
+		close(map_fd);
+	return err;
+}
+
+int main(int argc, char **argv)
+{
+	int cgfd = -1;
+	int err = 0;
+
+	if (argc < 3) {
+		fprintf(stderr, "Usage: %s iface prog_id\n", argv[0]);
+		exit(EXIT_FAILURE);
+	}
+
+	/* Use libbpf 1.0 API mode */
+	libbpf_set_strict_mode(LIBBPF_STRICT_ALL);
+
+	cgfd = cgroup_setup_and_join(CGROUP_PATH);
+	if (cgfd < 0)
+		goto err;
+
+	if (send_packet(argv[1]))
+		goto err;
+
+	if (check_ancestor_cgroup_ids(atoi(argv[2])))
+		goto err;
+
+	goto out;
+err:
+	err = -1;
+out:
+	close(cgfd);
+	cleanup_cgroup_environment();
+	printf("[%s]\n", err ? "FAIL" : "PASS");
+	return err;
+}
diff --git a/tools/testing/selftests/bpf/test_sock.c b/tools/testing/selftests/bpf/test_sock.c
new file mode 100644
index 000000000..810c3740b
--- /dev/null
+++ b/tools/testing/selftests/bpf/test_sock.c
@@ -0,0 +1,556 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (c) 2018 Facebook
+
+#include <stdio.h>
+#include <unistd.h>
+
+#include <arpa/inet.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+
+#include <linux/filter.h>
+
+#include <bpf/bpf.h>
+
+#include "cgroup_helpers.h"
+#include <bpf/bpf_endian.h>
+#include "bpf_util.h"
+
+#define CG_PATH		"/foo"
+#define MAX_INSNS	512
+
+char bpf_log_buf[BPF_LOG_BUF_SIZE];
+static bool verbose = false;
+
+struct sock_test {
+	const char *descr;
+	/* BPF prog properties */
+	struct bpf_insn	insns[MAX_INSNS];
+	enum bpf_attach_type expected_attach_type;
+	enum bpf_attach_type attach_type;
+	/* Socket properties */
+	int domain;
+	int type;
+	/* Endpoint to bind() to */
+	const char *ip;
+	unsigned short port;
+	unsigned short port_retry;
+	/* Expected test result */
+	enum {
+		LOAD_REJECT,
+		ATTACH_REJECT,
+		BIND_REJECT,
+		SUCCESS,
+		RETRY_SUCCESS,
+		RETRY_REJECT
+	} result;
+};
+
+static struct sock_test tests[] = {
+	{
+		.descr = "bind4 load with invalid access: src_ip6",
+		.insns = {
+			BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
+			BPF_LDX_MEM(BPF_W, BPF_REG_7, BPF_REG_6,
+				    offsetof(struct bpf_sock, src_ip6[0])),
+			BPF_MOV64_IMM(BPF_REG_0, 1),
+			BPF_EXIT_INSN(),
+		},
+		.expected_attach_type = BPF_CGROUP_INET4_POST_BIND,
+		.attach_type = BPF_CGROUP_INET4_POST_BIND,
+		.result = LOAD_REJECT,
+	},
+	{
+		.descr = "bind4 load with invalid access: mark",
+		.insns = {
+			BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
+			BPF_LDX_MEM(BPF_W, BPF_REG_7, BPF_REG_6,
+				    offsetof(struct bpf_sock, mark)),
+			BPF_MOV64_IMM(BPF_REG_0, 1),
+			BPF_EXIT_INSN(),
+		},
+		.expected_attach_type = BPF_CGROUP_INET4_POST_BIND,
+		.attach_type = BPF_CGROUP_INET4_POST_BIND,
+		.result = LOAD_REJECT,
+	},
+	{
+		.descr = "bind6 load with invalid access: src_ip4",
+		.insns = {
+			BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
+			BPF_LDX_MEM(BPF_W, BPF_REG_7, BPF_REG_6,
+				    offsetof(struct bpf_sock, src_ip4)),
+			BPF_MOV64_IMM(BPF_REG_0, 1),
+			BPF_EXIT_INSN(),
+		},
+		.expected_attach_type = BPF_CGROUP_INET6_POST_BIND,
+		.attach_type = BPF_CGROUP_INET6_POST_BIND,
+		.result = LOAD_REJECT,
+	},
+	{
+		.descr = "sock_create load with invalid access: src_port",
+		.insns = {
+			BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
+			BPF_LDX_MEM(BPF_W, BPF_REG_7, BPF_REG_6,
+				    offsetof(struct bpf_sock, src_port)),
+			BPF_MOV64_IMM(BPF_REG_0, 1),
+			BPF_EXIT_INSN(),
+		},
+		.expected_attach_type = BPF_CGROUP_INET_SOCK_CREATE,
+		.attach_type = BPF_CGROUP_INET_SOCK_CREATE,
+		.result = LOAD_REJECT,
+	},
+	{
+		.descr = "sock_create load w/o expected_attach_type (compat mode)",
+		.insns = {
+			BPF_MOV64_IMM(BPF_REG_0, 1),
+			BPF_EXIT_INSN(),
+		},
+		.expected_attach_type = 0,
+		.attach_type = BPF_CGROUP_INET_SOCK_CREATE,
+		.domain = AF_INET,
+		.type = SOCK_STREAM,
+		.ip = "127.0.0.1",
+		.port = 8097,
+		.result = SUCCESS,
+	},
+	{
+		.descr = "sock_create load w/ expected_attach_type",
+		.insns = {
+			BPF_MOV64_IMM(BPF_REG_0, 1),
+			BPF_EXIT_INSN(),
+		},
+		.expected_attach_type = BPF_CGROUP_INET_SOCK_CREATE,
+		.attach_type = BPF_CGROUP_INET_SOCK_CREATE,
+		.domain = AF_INET,
+		.type = SOCK_STREAM,
+		.ip = "127.0.0.1",
+		.port = 8097,
+		.result = SUCCESS,
+	},
+	{
+		.descr = "attach type mismatch bind4 vs bind6",
+		.insns = {
+			BPF_MOV64_IMM(BPF_REG_0, 1),
+			BPF_EXIT_INSN(),
+		},
+		.expected_attach_type = BPF_CGROUP_INET4_POST_BIND,
+		.attach_type = BPF_CGROUP_INET6_POST_BIND,
+		.result = ATTACH_REJECT,
+	},
+	{
+		.descr = "attach type mismatch bind6 vs bind4",
+		.insns = {
+			BPF_MOV64_IMM(BPF_REG_0, 1),
+			BPF_EXIT_INSN(),
+		},
+		.expected_attach_type = BPF_CGROUP_INET6_POST_BIND,
+		.attach_type = BPF_CGROUP_INET4_POST_BIND,
+		.result = ATTACH_REJECT,
+	},
+	{
+		.descr = "attach type mismatch default vs bind4",
+		.insns = {
+			BPF_MOV64_IMM(BPF_REG_0, 1),
+			BPF_EXIT_INSN(),
+		},
+		.expected_attach_type = 0,
+		.attach_type = BPF_CGROUP_INET4_POST_BIND,
+		.result = ATTACH_REJECT,
+	},
+	{
+		.descr = "attach type mismatch bind6 vs sock_create",
+		.insns = {
+			BPF_MOV64_IMM(BPF_REG_0, 1),
+			BPF_EXIT_INSN(),
+		},
+		.expected_attach_type = BPF_CGROUP_INET6_POST_BIND,
+		.attach_type = BPF_CGROUP_INET_SOCK_CREATE,
+		.result = ATTACH_REJECT,
+	},
+	{
+		.descr = "bind4 reject all",
+		.insns = {
+			BPF_MOV64_IMM(BPF_REG_0, 0),
+			BPF_EXIT_INSN(),
+		},
+		.expected_attach_type = BPF_CGROUP_INET4_POST_BIND,
+		.attach_type = BPF_CGROUP_INET4_POST_BIND,
+		.domain = AF_INET,
+		.type = SOCK_STREAM,
+		.ip = "0.0.0.0",
+		.result = BIND_REJECT,
+	},
+	{
+		.descr = "bind6 reject all",
+		.insns = {
+			BPF_MOV64_IMM(BPF_REG_0, 0),
+			BPF_EXIT_INSN(),
+		},
+		.expected_attach_type = BPF_CGROUP_INET6_POST_BIND,
+		.attach_type = BPF_CGROUP_INET6_POST_BIND,
+		.domain = AF_INET6,
+		.type = SOCK_STREAM,
+		.ip = "::",
+		.result = BIND_REJECT,
+	},
+	{
+		.descr = "bind6 deny specific IP & port",
+		.insns = {
+			BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
+
+			/* if (ip == expected && port == expected) */
+			BPF_LDX_MEM(BPF_W, BPF_REG_7, BPF_REG_6,
+				    offsetof(struct bpf_sock, src_ip6[3])),
+			BPF_JMP_IMM(BPF_JNE, BPF_REG_7,
+				    __bpf_constant_ntohl(0x00000001), 4),
+			BPF_LDX_MEM(BPF_W, BPF_REG_7, BPF_REG_6,
+				    offsetof(struct bpf_sock, src_port)),
+			BPF_JMP_IMM(BPF_JNE, BPF_REG_7, 0x2001, 2),
+
+			/* return DENY; */
+			BPF_MOV64_IMM(BPF_REG_0, 0),
+			BPF_JMP_A(1),
+
+			/* else return ALLOW; */
+			BPF_MOV64_IMM(BPF_REG_0, 1),
+			BPF_EXIT_INSN(),
+		},
+		.expected_attach_type = BPF_CGROUP_INET6_POST_BIND,
+		.attach_type = BPF_CGROUP_INET6_POST_BIND,
+		.domain = AF_INET6,
+		.type = SOCK_STREAM,
+		.ip = "::1",
+		.port = 8193,
+		.result = BIND_REJECT,
+	},
+	{
+		.descr = "bind4 allow specific IP & port",
+		.insns = {
+			BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
+
+			/* if (ip == expected && port == expected) */
+			BPF_LDX_MEM(BPF_W, BPF_REG_7, BPF_REG_6,
+				    offsetof(struct bpf_sock, src_ip4)),
+			BPF_JMP_IMM(BPF_JNE, BPF_REG_7,
+				    __bpf_constant_ntohl(0x7F000001), 4),
+			BPF_LDX_MEM(BPF_W, BPF_REG_7, BPF_REG_6,
+				    offsetof(struct bpf_sock, src_port)),
+			BPF_JMP_IMM(BPF_JNE, BPF_REG_7, 0x1002, 2),
+
+			/* return ALLOW; */
+			BPF_MOV64_IMM(BPF_REG_0, 1),
+			BPF_JMP_A(1),
+
+			/* else return DENY; */
+			BPF_MOV64_IMM(BPF_REG_0, 0),
+			BPF_EXIT_INSN(),
+		},
+		.expected_attach_type = BPF_CGROUP_INET4_POST_BIND,
+		.attach_type = BPF_CGROUP_INET4_POST_BIND,
+		.domain = AF_INET,
+		.type = SOCK_STREAM,
+		.ip = "127.0.0.1",
+		.port = 4098,
+		.result = SUCCESS,
+	},
+	{
+		.descr = "bind4 deny specific IP & port of TCP, and retry",
+		.insns = {
+			BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
+
+			/* if (ip == expected && port == expected) */
+			BPF_LDX_MEM(BPF_W, BPF_REG_7, BPF_REG_6,
+				    offsetof(struct bpf_sock, src_ip4)),
+			BPF_JMP_IMM(BPF_JNE, BPF_REG_7,
+				    __bpf_constant_ntohl(0x7F000001), 4),
+			BPF_LDX_MEM(BPF_W, BPF_REG_7, BPF_REG_6,
+				    offsetof(struct bpf_sock, src_port)),
+			BPF_JMP_IMM(BPF_JNE, BPF_REG_7, 0x1002, 2),
+
+			/* return DENY; */
+			BPF_MOV64_IMM(BPF_REG_0, 0),
+			BPF_JMP_A(1),
+
+			/* else return ALLOW; */
+			BPF_MOV64_IMM(BPF_REG_0, 1),
+			BPF_EXIT_INSN(),
+		},
+		.expected_attach_type = BPF_CGROUP_INET4_POST_BIND,
+		.attach_type = BPF_CGROUP_INET4_POST_BIND,
+		.domain = AF_INET,
+		.type = SOCK_STREAM,
+		.ip = "127.0.0.1",
+		.port = 4098,
+		.port_retry = 5000,
+		.result = RETRY_SUCCESS,
+	},
+	{
+		.descr = "bind4 deny specific IP & port of UDP, and retry",
+		.insns = {
+			BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
+
+			/* if (ip == expected && port == expected) */
+			BPF_LDX_MEM(BPF_W, BPF_REG_7, BPF_REG_6,
+				    offsetof(struct bpf_sock, src_ip4)),
+			BPF_JMP_IMM(BPF_JNE, BPF_REG_7,
+				    __bpf_constant_ntohl(0x7F000001), 4),
+			BPF_LDX_MEM(BPF_W, BPF_REG_7, BPF_REG_6,
+				    offsetof(struct bpf_sock, src_port)),
+			BPF_JMP_IMM(BPF_JNE, BPF_REG_7, 0x1002, 2),
+
+			/* return DENY; */
+			BPF_MOV64_IMM(BPF_REG_0, 0),
+			BPF_JMP_A(1),
+
+			/* else return ALLOW; */
+			BPF_MOV64_IMM(BPF_REG_0, 1),
+			BPF_EXIT_INSN(),
+		},
+		.expected_attach_type = BPF_CGROUP_INET4_POST_BIND,
+		.attach_type = BPF_CGROUP_INET4_POST_BIND,
+		.domain = AF_INET,
+		.type = SOCK_DGRAM,
+		.ip = "127.0.0.1",
+		.port = 4098,
+		.port_retry = 5000,
+		.result = RETRY_SUCCESS,
+	},
+	{
+		.descr = "bind6 deny specific IP & port, and retry",
+		.insns = {
+			BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
+
+			/* if (ip == expected && port == expected) */
+			BPF_LDX_MEM(BPF_W, BPF_REG_7, BPF_REG_6,
+				    offsetof(struct bpf_sock, src_ip6[3])),
+			BPF_JMP_IMM(BPF_JNE, BPF_REG_7,
+				    __bpf_constant_ntohl(0x00000001), 4),
+			BPF_LDX_MEM(BPF_W, BPF_REG_7, BPF_REG_6,
+				    offsetof(struct bpf_sock, src_port)),
+			BPF_JMP_IMM(BPF_JNE, BPF_REG_7, 0x2001, 2),
+
+			/* return DENY; */
+			BPF_MOV64_IMM(BPF_REG_0, 0),
+			BPF_JMP_A(1),
+
+			/* else return ALLOW; */
+			BPF_MOV64_IMM(BPF_REG_0, 1),
+			BPF_EXIT_INSN(),
+		},
+		.expected_attach_type = BPF_CGROUP_INET6_POST_BIND,
+		.attach_type = BPF_CGROUP_INET6_POST_BIND,
+		.domain = AF_INET6,
+		.type = SOCK_STREAM,
+		.ip = "::1",
+		.port = 8193,
+		.port_retry = 9000,
+		.result = RETRY_SUCCESS,
+	},
+	{
+		.descr = "bind4 allow all",
+		.insns = {
+			BPF_MOV64_IMM(BPF_REG_0, 1),
+			BPF_EXIT_INSN(),
+		},
+		.expected_attach_type = BPF_CGROUP_INET4_POST_BIND,
+		.attach_type = BPF_CGROUP_INET4_POST_BIND,
+		.domain = AF_INET,
+		.type = SOCK_STREAM,
+		.ip = "0.0.0.0",
+		.result = SUCCESS,
+	},
+	{
+		.descr = "bind6 allow all",
+		.insns = {
+			BPF_MOV64_IMM(BPF_REG_0, 1),
+			BPF_EXIT_INSN(),
+		},
+		.expected_attach_type = BPF_CGROUP_INET6_POST_BIND,
+		.attach_type = BPF_CGROUP_INET6_POST_BIND,
+		.domain = AF_INET6,
+		.type = SOCK_STREAM,
+		.ip = "::",
+		.result = SUCCESS,
+	},
+};
+
+static size_t probe_prog_length(const struct bpf_insn *fp)
+{
+	size_t len;
+
+	for (len = MAX_INSNS - 1; len > 0; --len)
+		if (fp[len].code != 0 || fp[len].imm != 0)
+			break;
+	return len + 1;
+}
+
+static int load_sock_prog(const struct bpf_insn *prog,
+			  enum bpf_attach_type attach_type)
+{
+	LIBBPF_OPTS(bpf_prog_load_opts, opts);
+	int ret, insn_cnt;
+
+	insn_cnt = probe_prog_length(prog);
+
+	opts.expected_attach_type = attach_type;
+	opts.log_buf = bpf_log_buf;
+	opts.log_size = BPF_LOG_BUF_SIZE;
+	opts.log_level = 2;
+
+	ret = bpf_prog_load(BPF_PROG_TYPE_CGROUP_SOCK, NULL, "GPL", prog, insn_cnt, &opts);
+	if (verbose && ret < 0)
+		fprintf(stderr, "%s\n", bpf_log_buf);
+
+	return ret;
+}
+
+static int attach_sock_prog(int cgfd, int progfd,
+			    enum bpf_attach_type attach_type)
+{
+	return bpf_prog_attach(progfd, cgfd, attach_type, BPF_F_ALLOW_OVERRIDE);
+}
+
+static int bind_sock(int domain, int type, const char *ip,
+		     unsigned short port, unsigned short port_retry)
+{
+	struct sockaddr_storage addr;
+	struct sockaddr_in6 *addr6;
+	struct sockaddr_in *addr4;
+	int sockfd = -1;
+	socklen_t len;
+	int res = SUCCESS;
+
+	sockfd = socket(domain, type, 0);
+	if (sockfd < 0)
+		goto err;
+
+	memset(&addr, 0, sizeof(addr));
+
+	if (domain == AF_INET) {
+		len = sizeof(struct sockaddr_in);
+		addr4 = (struct sockaddr_in *)&addr;
+		addr4->sin_family = domain;
+		addr4->sin_port = htons(port);
+		if (inet_pton(domain, ip, (void *)&addr4->sin_addr) != 1)
+			goto err;
+	} else if (domain == AF_INET6) {
+		len = sizeof(struct sockaddr_in6);
+		addr6 = (struct sockaddr_in6 *)&addr;
+		addr6->sin6_family = domain;
+		addr6->sin6_port = htons(port);
+		if (inet_pton(domain, ip, (void *)&addr6->sin6_addr) != 1)
+			goto err;
+	} else {
+		goto err;
+	}
+
+	if (bind(sockfd, (const struct sockaddr *)&addr, len) == -1) {
+		/* sys_bind() may fail for different reasons, errno has to be
+		 * checked to confirm that BPF program rejected it.
+		 */
+		if (errno != EPERM)
+			goto err;
+		if (port_retry)
+			goto retry;
+		res = BIND_REJECT;
+		goto out;
+	}
+
+	goto out;
+retry:
+	if (domain == AF_INET)
+		addr4->sin_port = htons(port_retry);
+	else
+		addr6->sin6_port = htons(port_retry);
+	if (bind(sockfd, (const struct sockaddr *)&addr, len) == -1) {
+		if (errno != EPERM)
+			goto err;
+		res = RETRY_REJECT;
+	} else {
+		res = RETRY_SUCCESS;
+	}
+	goto out;
+err:
+	res = -1;
+out:
+	close(sockfd);
+	return res;
+}
+
+static int run_test_case(int cgfd, const struct sock_test *test)
+{
+	int progfd = -1;
+	int err = 0;
+	int res;
+
+	printf("Test case: %s .. ", test->descr);
+	progfd = load_sock_prog(test->insns, test->expected_attach_type);
+	if (progfd < 0) {
+		if (test->result == LOAD_REJECT)
+			goto out;
+		else
+			goto err;
+	}
+
+	if (attach_sock_prog(cgfd, progfd, test->attach_type) < 0) {
+		if (test->result == ATTACH_REJECT)
+			goto out;
+		else
+			goto err;
+	}
+
+	res = bind_sock(test->domain, test->type, test->ip, test->port,
+			test->port_retry);
+	if (res > 0 && test->result == res)
+		goto out;
+
+err:
+	err = -1;
+out:
+	/* Detaching w/o checking return code: best effort attempt. */
+	if (progfd != -1)
+		bpf_prog_detach(cgfd, test->attach_type);
+	close(progfd);
+	printf("[%s]\n", err ? "FAIL" : "PASS");
+	return err;
+}
+
+static int run_tests(int cgfd)
+{
+	int passes = 0;
+	int fails = 0;
+	int i;
+
+	for (i = 0; i < ARRAY_SIZE(tests); ++i) {
+		if (run_test_case(cgfd, &tests[i]))
+			++fails;
+		else
+			++passes;
+	}
+	printf("Summary: %d PASSED, %d FAILED\n", passes, fails);
+	return fails ? -1 : 0;
+}
+
+int main(int argc, char **argv)
+{
+	int cgfd = -1;
+	int err = 0;
+
+	cgfd = cgroup_setup_and_join(CG_PATH);
+	if (cgfd < 0)
+		goto err;
+
+	/* Use libbpf 1.0 API mode */
+	libbpf_set_strict_mode(LIBBPF_STRICT_ALL);
+
+	if (run_tests(cgfd))
+		goto err;
+
+	goto out;
+err:
+	err = -1;
+out:
+	close(cgfd);
+	cleanup_cgroup_environment();
+	return err;
+}
diff --git a/tools/testing/selftests/bpf/test_sock_addr.c b/tools/testing/selftests/bpf/test_sock_addr.c
new file mode 100644
index 000000000..2c89674fc
--- /dev/null
+++ b/tools/testing/selftests/bpf/test_sock_addr.c
@@ -0,0 +1,1433 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (c) 2018 Facebook
+
+#define _GNU_SOURCE
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+#include <arpa/inet.h>
+#include <netinet/in.h>
+#include <sys/types.h>
+#include <sys/select.h>
+#include <sys/socket.h>
+
+#include <linux/filter.h>
+
+#include <bpf/bpf.h>
+#include <bpf/libbpf.h>
+
+#include "cgroup_helpers.h"
+#include "bpf_util.h"
+
+#ifndef ENOTSUPP
+# define ENOTSUPP 524
+#endif
+
+#define CG_PATH	"/foo"
+#define CONNECT4_PROG_PATH	"./connect4_prog.bpf.o"
+#define CONNECT6_PROG_PATH	"./connect6_prog.bpf.o"
+#define SENDMSG4_PROG_PATH	"./sendmsg4_prog.bpf.o"
+#define SENDMSG6_PROG_PATH	"./sendmsg6_prog.bpf.o"
+#define RECVMSG4_PROG_PATH	"./recvmsg4_prog.bpf.o"
+#define RECVMSG6_PROG_PATH	"./recvmsg6_prog.bpf.o"
+#define BIND4_PROG_PATH		"./bind4_prog.bpf.o"
+#define BIND6_PROG_PATH		"./bind6_prog.bpf.o"
+
+#define SERV4_IP		"192.168.1.254"
+#define SERV4_REWRITE_IP	"127.0.0.1"
+#define SRC4_IP			"172.16.0.1"
+#define SRC4_REWRITE_IP		"127.0.0.4"
+#define SERV4_PORT		4040
+#define SERV4_REWRITE_PORT	4444
+
+#define SERV6_IP		"face:b00c:1234:5678::abcd"
+#define SERV6_REWRITE_IP	"::1"
+#define SERV6_V4MAPPED_IP	"::ffff:192.168.0.4"
+#define SRC6_IP			"::1"
+#define SRC6_REWRITE_IP		"::6"
+#define WILDCARD6_IP		"::"
+#define SERV6_PORT		6060
+#define SERV6_REWRITE_PORT	6666
+
+#define INET_NTOP_BUF	40
+
+struct sock_addr_test;
+
+typedef int (*load_fn)(const struct sock_addr_test *test);
+typedef int (*info_fn)(int, struct sockaddr *, socklen_t *);
+
+char bpf_log_buf[BPF_LOG_BUF_SIZE];
+
+struct sock_addr_test {
+	const char *descr;
+	/* BPF prog properties */
+	load_fn loadfn;
+	enum bpf_attach_type expected_attach_type;
+	enum bpf_attach_type attach_type;
+	/* Socket properties */
+	int domain;
+	int type;
+	/* IP:port pairs for BPF prog to override */
+	const char *requested_ip;
+	unsigned short requested_port;
+	const char *expected_ip;
+	unsigned short expected_port;
+	const char *expected_src_ip;
+	/* Expected test result */
+	enum {
+		LOAD_REJECT,
+		ATTACH_REJECT,
+		ATTACH_OKAY,
+		SYSCALL_EPERM,
+		SYSCALL_ENOTSUPP,
+		SUCCESS,
+	} expected_result;
+};
+
+static int bind4_prog_load(const struct sock_addr_test *test);
+static int bind6_prog_load(const struct sock_addr_test *test);
+static int connect4_prog_load(const struct sock_addr_test *test);
+static int connect6_prog_load(const struct sock_addr_test *test);
+static int sendmsg_allow_prog_load(const struct sock_addr_test *test);
+static int sendmsg_deny_prog_load(const struct sock_addr_test *test);
+static int recvmsg_allow_prog_load(const struct sock_addr_test *test);
+static int recvmsg_deny_prog_load(const struct sock_addr_test *test);
+static int sendmsg4_rw_asm_prog_load(const struct sock_addr_test *test);
+static int recvmsg4_rw_c_prog_load(const struct sock_addr_test *test);
+static int sendmsg4_rw_c_prog_load(const struct sock_addr_test *test);
+static int sendmsg6_rw_asm_prog_load(const struct sock_addr_test *test);
+static int recvmsg6_rw_c_prog_load(const struct sock_addr_test *test);
+static int sendmsg6_rw_c_prog_load(const struct sock_addr_test *test);
+static int sendmsg6_rw_v4mapped_prog_load(const struct sock_addr_test *test);
+static int sendmsg6_rw_wildcard_prog_load(const struct sock_addr_test *test);
+
+static struct sock_addr_test tests[] = {
+	/* bind */
+	{
+		"bind4: load prog with wrong expected attach type",
+		bind4_prog_load,
+		BPF_CGROUP_INET6_BIND,
+		BPF_CGROUP_INET4_BIND,
+		AF_INET,
+		SOCK_STREAM,
+		NULL,
+		0,
+		NULL,
+		0,
+		NULL,
+		LOAD_REJECT,
+	},
+	{
+		"bind4: attach prog with wrong attach type",
+		bind4_prog_load,
+		BPF_CGROUP_INET4_BIND,
+		BPF_CGROUP_INET6_BIND,
+		AF_INET,
+		SOCK_STREAM,
+		NULL,
+		0,
+		NULL,
+		0,
+		NULL,
+		ATTACH_REJECT,
+	},
+	{
+		"bind4: rewrite IP & TCP port in",
+		bind4_prog_load,
+		BPF_CGROUP_INET4_BIND,
+		BPF_CGROUP_INET4_BIND,
+		AF_INET,
+		SOCK_STREAM,
+		SERV4_IP,
+		SERV4_PORT,
+		SERV4_REWRITE_IP,
+		SERV4_REWRITE_PORT,
+		NULL,
+		SUCCESS,
+	},
+	{
+		"bind4: rewrite IP & UDP port in",
+		bind4_prog_load,
+		BPF_CGROUP_INET4_BIND,
+		BPF_CGROUP_INET4_BIND,
+		AF_INET,
+		SOCK_DGRAM,
+		SERV4_IP,
+		SERV4_PORT,
+		SERV4_REWRITE_IP,
+		SERV4_REWRITE_PORT,
+		NULL,
+		SUCCESS,
+	},
+	{
+		"bind6: load prog with wrong expected attach type",
+		bind6_prog_load,
+		BPF_CGROUP_INET4_BIND,
+		BPF_CGROUP_INET6_BIND,
+		AF_INET6,
+		SOCK_STREAM,
+		NULL,
+		0,
+		NULL,
+		0,
+		NULL,
+		LOAD_REJECT,
+	},
+	{
+		"bind6: attach prog with wrong attach type",
+		bind6_prog_load,
+		BPF_CGROUP_INET6_BIND,
+		BPF_CGROUP_INET4_BIND,
+		AF_INET,
+		SOCK_STREAM,
+		NULL,
+		0,
+		NULL,
+		0,
+		NULL,
+		ATTACH_REJECT,
+	},
+	{
+		"bind6: rewrite IP & TCP port in",
+		bind6_prog_load,
+		BPF_CGROUP_INET6_BIND,
+		BPF_CGROUP_INET6_BIND,
+		AF_INET6,
+		SOCK_STREAM,
+		SERV6_IP,
+		SERV6_PORT,
+		SERV6_REWRITE_IP,
+		SERV6_REWRITE_PORT,
+		NULL,
+		SUCCESS,
+	},
+	{
+		"bind6: rewrite IP & UDP port in",
+		bind6_prog_load,
+		BPF_CGROUP_INET6_BIND,
+		BPF_CGROUP_INET6_BIND,
+		AF_INET6,
+		SOCK_DGRAM,
+		SERV6_IP,
+		SERV6_PORT,
+		SERV6_REWRITE_IP,
+		SERV6_REWRITE_PORT,
+		NULL,
+		SUCCESS,
+	},
+
+	/* connect */
+	{
+		"connect4: load prog with wrong expected attach type",
+		connect4_prog_load,
+		BPF_CGROUP_INET6_CONNECT,
+		BPF_CGROUP_INET4_CONNECT,
+		AF_INET,
+		SOCK_STREAM,
+		NULL,
+		0,
+		NULL,
+		0,
+		NULL,
+		LOAD_REJECT,
+	},
+	{
+		"connect4: attach prog with wrong attach type",
+		connect4_prog_load,
+		BPF_CGROUP_INET4_CONNECT,
+		BPF_CGROUP_INET6_CONNECT,
+		AF_INET,
+		SOCK_STREAM,
+		NULL,
+		0,
+		NULL,
+		0,
+		NULL,
+		ATTACH_REJECT,
+	},
+	{
+		"connect4: rewrite IP & TCP port",
+		connect4_prog_load,
+		BPF_CGROUP_INET4_CONNECT,
+		BPF_CGROUP_INET4_CONNECT,
+		AF_INET,
+		SOCK_STREAM,
+		SERV4_IP,
+		SERV4_PORT,
+		SERV4_REWRITE_IP,
+		SERV4_REWRITE_PORT,
+		SRC4_REWRITE_IP,
+		SUCCESS,
+	},
+	{
+		"connect4: rewrite IP & UDP port",
+		connect4_prog_load,
+		BPF_CGROUP_INET4_CONNECT,
+		BPF_CGROUP_INET4_CONNECT,
+		AF_INET,
+		SOCK_DGRAM,
+		SERV4_IP,
+		SERV4_PORT,
+		SERV4_REWRITE_IP,
+		SERV4_REWRITE_PORT,
+		SRC4_REWRITE_IP,
+		SUCCESS,
+	},
+	{
+		"connect6: load prog with wrong expected attach type",
+		connect6_prog_load,
+		BPF_CGROUP_INET4_CONNECT,
+		BPF_CGROUP_INET6_CONNECT,
+		AF_INET6,
+		SOCK_STREAM,
+		NULL,
+		0,
+		NULL,
+		0,
+		NULL,
+		LOAD_REJECT,
+	},
+	{
+		"connect6: attach prog with wrong attach type",
+		connect6_prog_load,
+		BPF_CGROUP_INET6_CONNECT,
+		BPF_CGROUP_INET4_CONNECT,
+		AF_INET,
+		SOCK_STREAM,
+		NULL,
+		0,
+		NULL,
+		0,
+		NULL,
+		ATTACH_REJECT,
+	},
+	{
+		"connect6: rewrite IP & TCP port",
+		connect6_prog_load,
+		BPF_CGROUP_INET6_CONNECT,
+		BPF_CGROUP_INET6_CONNECT,
+		AF_INET6,
+		SOCK_STREAM,
+		SERV6_IP,
+		SERV6_PORT,
+		SERV6_REWRITE_IP,
+		SERV6_REWRITE_PORT,
+		SRC6_REWRITE_IP,
+		SUCCESS,
+	},
+	{
+		"connect6: rewrite IP & UDP port",
+		connect6_prog_load,
+		BPF_CGROUP_INET6_CONNECT,
+		BPF_CGROUP_INET6_CONNECT,
+		AF_INET6,
+		SOCK_DGRAM,
+		SERV6_IP,
+		SERV6_PORT,
+		SERV6_REWRITE_IP,
+		SERV6_REWRITE_PORT,
+		SRC6_REWRITE_IP,
+		SUCCESS,
+	},
+
+	/* sendmsg */
+	{
+		"sendmsg4: load prog with wrong expected attach type",
+		sendmsg4_rw_asm_prog_load,
+		BPF_CGROUP_UDP6_SENDMSG,
+		BPF_CGROUP_UDP4_SENDMSG,
+		AF_INET,
+		SOCK_DGRAM,
+		NULL,
+		0,
+		NULL,
+		0,
+		NULL,
+		LOAD_REJECT,
+	},
+	{
+		"sendmsg4: attach prog with wrong attach type",
+		sendmsg4_rw_asm_prog_load,
+		BPF_CGROUP_UDP4_SENDMSG,
+		BPF_CGROUP_UDP6_SENDMSG,
+		AF_INET,
+		SOCK_DGRAM,
+		NULL,
+		0,
+		NULL,
+		0,
+		NULL,
+		ATTACH_REJECT,
+	},
+	{
+		"sendmsg4: rewrite IP & port (asm)",
+		sendmsg4_rw_asm_prog_load,
+		BPF_CGROUP_UDP4_SENDMSG,
+		BPF_CGROUP_UDP4_SENDMSG,
+		AF_INET,
+		SOCK_DGRAM,
+		SERV4_IP,
+		SERV4_PORT,
+		SERV4_REWRITE_IP,
+		SERV4_REWRITE_PORT,
+		SRC4_REWRITE_IP,
+		SUCCESS,
+	},
+	{
+		"sendmsg4: rewrite IP & port (C)",
+		sendmsg4_rw_c_prog_load,
+		BPF_CGROUP_UDP4_SENDMSG,
+		BPF_CGROUP_UDP4_SENDMSG,
+		AF_INET,
+		SOCK_DGRAM,
+		SERV4_IP,
+		SERV4_PORT,
+		SERV4_REWRITE_IP,
+		SERV4_REWRITE_PORT,
+		SRC4_REWRITE_IP,
+		SUCCESS,
+	},
+	{
+		"sendmsg4: deny call",
+		sendmsg_deny_prog_load,
+		BPF_CGROUP_UDP4_SENDMSG,
+		BPF_CGROUP_UDP4_SENDMSG,
+		AF_INET,
+		SOCK_DGRAM,
+		SERV4_IP,
+		SERV4_PORT,
+		SERV4_REWRITE_IP,
+		SERV4_REWRITE_PORT,
+		SRC4_REWRITE_IP,
+		SYSCALL_EPERM,
+	},
+	{
+		"sendmsg6: load prog with wrong expected attach type",
+		sendmsg6_rw_asm_prog_load,
+		BPF_CGROUP_UDP4_SENDMSG,
+		BPF_CGROUP_UDP6_SENDMSG,
+		AF_INET6,
+		SOCK_DGRAM,
+		NULL,
+		0,
+		NULL,
+		0,
+		NULL,
+		LOAD_REJECT,
+	},
+	{
+		"sendmsg6: attach prog with wrong attach type",
+		sendmsg6_rw_asm_prog_load,
+		BPF_CGROUP_UDP6_SENDMSG,
+		BPF_CGROUP_UDP4_SENDMSG,
+		AF_INET6,
+		SOCK_DGRAM,
+		NULL,
+		0,
+		NULL,
+		0,
+		NULL,
+		ATTACH_REJECT,
+	},
+	{
+		"sendmsg6: rewrite IP & port (asm)",
+		sendmsg6_rw_asm_prog_load,
+		BPF_CGROUP_UDP6_SENDMSG,
+		BPF_CGROUP_UDP6_SENDMSG,
+		AF_INET6,
+		SOCK_DGRAM,
+		SERV6_IP,
+		SERV6_PORT,
+		SERV6_REWRITE_IP,
+		SERV6_REWRITE_PORT,
+		SRC6_REWRITE_IP,
+		SUCCESS,
+	},
+	{
+		"sendmsg6: rewrite IP & port (C)",
+		sendmsg6_rw_c_prog_load,
+		BPF_CGROUP_UDP6_SENDMSG,
+		BPF_CGROUP_UDP6_SENDMSG,
+		AF_INET6,
+		SOCK_DGRAM,
+		SERV6_IP,
+		SERV6_PORT,
+		SERV6_REWRITE_IP,
+		SERV6_REWRITE_PORT,
+		SRC6_REWRITE_IP,
+		SUCCESS,
+	},
+	{
+		"sendmsg6: IPv4-mapped IPv6",
+		sendmsg6_rw_v4mapped_prog_load,
+		BPF_CGROUP_UDP6_SENDMSG,
+		BPF_CGROUP_UDP6_SENDMSG,
+		AF_INET6,
+		SOCK_DGRAM,
+		SERV6_IP,
+		SERV6_PORT,
+		SERV6_REWRITE_IP,
+		SERV6_REWRITE_PORT,
+		SRC6_REWRITE_IP,
+		SYSCALL_ENOTSUPP,
+	},
+	{
+		"sendmsg6: set dst IP = [::] (BSD'ism)",
+		sendmsg6_rw_wildcard_prog_load,
+		BPF_CGROUP_UDP6_SENDMSG,
+		BPF_CGROUP_UDP6_SENDMSG,
+		AF_INET6,
+		SOCK_DGRAM,
+		SERV6_IP,
+		SERV6_PORT,
+		SERV6_REWRITE_IP,
+		SERV6_REWRITE_PORT,
+		SRC6_REWRITE_IP,
+		SUCCESS,
+	},
+	{
+		"sendmsg6: preserve dst IP = [::] (BSD'ism)",
+		sendmsg_allow_prog_load,
+		BPF_CGROUP_UDP6_SENDMSG,
+		BPF_CGROUP_UDP6_SENDMSG,
+		AF_INET6,
+		SOCK_DGRAM,
+		WILDCARD6_IP,
+		SERV6_PORT,
+		SERV6_REWRITE_IP,
+		SERV6_PORT,
+		SRC6_IP,
+		SUCCESS,
+	},
+	{
+		"sendmsg6: deny call",
+		sendmsg_deny_prog_load,
+		BPF_CGROUP_UDP6_SENDMSG,
+		BPF_CGROUP_UDP6_SENDMSG,
+		AF_INET6,
+		SOCK_DGRAM,
+		SERV6_IP,
+		SERV6_PORT,
+		SERV6_REWRITE_IP,
+		SERV6_REWRITE_PORT,
+		SRC6_REWRITE_IP,
+		SYSCALL_EPERM,
+	},
+
+	/* recvmsg */
+	{
+		"recvmsg4: return code ok",
+		recvmsg_allow_prog_load,
+		BPF_CGROUP_UDP4_RECVMSG,
+		BPF_CGROUP_UDP4_RECVMSG,
+		AF_INET,
+		SOCK_DGRAM,
+		NULL,
+		0,
+		NULL,
+		0,
+		NULL,
+		ATTACH_OKAY,
+	},
+	{
+		"recvmsg4: return code !ok",
+		recvmsg_deny_prog_load,
+		BPF_CGROUP_UDP4_RECVMSG,
+		BPF_CGROUP_UDP4_RECVMSG,
+		AF_INET,
+		SOCK_DGRAM,
+		NULL,
+		0,
+		NULL,
+		0,
+		NULL,
+		LOAD_REJECT,
+	},
+	{
+		"recvmsg6: return code ok",
+		recvmsg_allow_prog_load,
+		BPF_CGROUP_UDP6_RECVMSG,
+		BPF_CGROUP_UDP6_RECVMSG,
+		AF_INET6,
+		SOCK_DGRAM,
+		NULL,
+		0,
+		NULL,
+		0,
+		NULL,
+		ATTACH_OKAY,
+	},
+	{
+		"recvmsg6: return code !ok",
+		recvmsg_deny_prog_load,
+		BPF_CGROUP_UDP6_RECVMSG,
+		BPF_CGROUP_UDP6_RECVMSG,
+		AF_INET6,
+		SOCK_DGRAM,
+		NULL,
+		0,
+		NULL,
+		0,
+		NULL,
+		LOAD_REJECT,
+	},
+	{
+		"recvmsg4: rewrite IP & port (C)",
+		recvmsg4_rw_c_prog_load,
+		BPF_CGROUP_UDP4_RECVMSG,
+		BPF_CGROUP_UDP4_RECVMSG,
+		AF_INET,
+		SOCK_DGRAM,
+		SERV4_REWRITE_IP,
+		SERV4_REWRITE_PORT,
+		SERV4_REWRITE_IP,
+		SERV4_REWRITE_PORT,
+		SERV4_IP,
+		SUCCESS,
+	},
+	{
+		"recvmsg6: rewrite IP & port (C)",
+		recvmsg6_rw_c_prog_load,
+		BPF_CGROUP_UDP6_RECVMSG,
+		BPF_CGROUP_UDP6_RECVMSG,
+		AF_INET6,
+		SOCK_DGRAM,
+		SERV6_REWRITE_IP,
+		SERV6_REWRITE_PORT,
+		SERV6_REWRITE_IP,
+		SERV6_REWRITE_PORT,
+		SERV6_IP,
+		SUCCESS,
+	},
+};
+
+static int mk_sockaddr(int domain, const char *ip, unsigned short port,
+		       struct sockaddr *addr, socklen_t addr_len)
+{
+	struct sockaddr_in6 *addr6;
+	struct sockaddr_in *addr4;
+
+	if (domain != AF_INET && domain != AF_INET6) {
+		log_err("Unsupported address family");
+		return -1;
+	}
+
+	memset(addr, 0, addr_len);
+
+	if (domain == AF_INET) {
+		if (addr_len < sizeof(struct sockaddr_in))
+			return -1;
+		addr4 = (struct sockaddr_in *)addr;
+		addr4->sin_family = domain;
+		addr4->sin_port = htons(port);
+		if (inet_pton(domain, ip, (void *)&addr4->sin_addr) != 1) {
+			log_err("Invalid IPv4: %s", ip);
+			return -1;
+		}
+	} else if (domain == AF_INET6) {
+		if (addr_len < sizeof(struct sockaddr_in6))
+			return -1;
+		addr6 = (struct sockaddr_in6 *)addr;
+		addr6->sin6_family = domain;
+		addr6->sin6_port = htons(port);
+		if (inet_pton(domain, ip, (void *)&addr6->sin6_addr) != 1) {
+			log_err("Invalid IPv6: %s", ip);
+			return -1;
+		}
+	}
+
+	return 0;
+}
+
+static int load_insns(const struct sock_addr_test *test,
+		      const struct bpf_insn *insns, size_t insns_cnt)
+{
+	LIBBPF_OPTS(bpf_prog_load_opts, opts);
+	int ret;
+
+	opts.expected_attach_type = test->expected_attach_type;
+	opts.log_buf = bpf_log_buf;
+	opts.log_size = BPF_LOG_BUF_SIZE;
+
+	ret = bpf_prog_load(BPF_PROG_TYPE_CGROUP_SOCK_ADDR, NULL, "GPL", insns, insns_cnt, &opts);
+	if (ret < 0 && test->expected_result != LOAD_REJECT) {
+		log_err(">>> Loading program error.\n"
+			">>> Verifier output:\n%s\n-------\n", bpf_log_buf);
+	}
+
+	return ret;
+}
+
+static int load_path(const struct sock_addr_test *test, const char *path)
+{
+	struct bpf_object *obj;
+	struct bpf_program *prog;
+	int err;
+
+	obj = bpf_object__open_file(path, NULL);
+	err = libbpf_get_error(obj);
+	if (err) {
+		log_err(">>> Opening BPF object (%s) error.\n", path);
+		return -1;
+	}
+
+	prog = bpf_object__next_program(obj, NULL);
+	if (!prog)
+		goto err_out;
+
+	bpf_program__set_type(prog, BPF_PROG_TYPE_CGROUP_SOCK_ADDR);
+	bpf_program__set_expected_attach_type(prog, test->expected_attach_type);
+	bpf_program__set_flags(prog, BPF_F_TEST_RND_HI32);
+
+	err = bpf_object__load(obj);
+	if (err) {
+		if (test->expected_result != LOAD_REJECT)
+			log_err(">>> Loading program (%s) error.\n", path);
+		goto err_out;
+	}
+
+	return bpf_program__fd(prog);
+err_out:
+	bpf_object__close(obj);
+	return -1;
+}
+
+static int bind4_prog_load(const struct sock_addr_test *test)
+{
+	return load_path(test, BIND4_PROG_PATH);
+}
+
+static int bind6_prog_load(const struct sock_addr_test *test)
+{
+	return load_path(test, BIND6_PROG_PATH);
+}
+
+static int connect4_prog_load(const struct sock_addr_test *test)
+{
+	return load_path(test, CONNECT4_PROG_PATH);
+}
+
+static int connect6_prog_load(const struct sock_addr_test *test)
+{
+	return load_path(test, CONNECT6_PROG_PATH);
+}
+
+static int xmsg_ret_only_prog_load(const struct sock_addr_test *test,
+				   int32_t rc)
+{
+	struct bpf_insn insns[] = {
+		/* return rc */
+		BPF_MOV64_IMM(BPF_REG_0, rc),
+		BPF_EXIT_INSN(),
+	};
+	return load_insns(test, insns, ARRAY_SIZE(insns));
+}
+
+static int sendmsg_allow_prog_load(const struct sock_addr_test *test)
+{
+	return xmsg_ret_only_prog_load(test, /*rc*/ 1);
+}
+
+static int sendmsg_deny_prog_load(const struct sock_addr_test *test)
+{
+	return xmsg_ret_only_prog_load(test, /*rc*/ 0);
+}
+
+static int recvmsg_allow_prog_load(const struct sock_addr_test *test)
+{
+	return xmsg_ret_only_prog_load(test, /*rc*/ 1);
+}
+
+static int recvmsg_deny_prog_load(const struct sock_addr_test *test)
+{
+	return xmsg_ret_only_prog_load(test, /*rc*/ 0);
+}
+
+static int sendmsg4_rw_asm_prog_load(const struct sock_addr_test *test)
+{
+	struct sockaddr_in dst4_rw_addr;
+	struct in_addr src4_rw_ip;
+
+	if (inet_pton(AF_INET, SRC4_REWRITE_IP, (void *)&src4_rw_ip) != 1) {
+		log_err("Invalid IPv4: %s", SRC4_REWRITE_IP);
+		return -1;
+	}
+
+	if (mk_sockaddr(AF_INET, SERV4_REWRITE_IP, SERV4_REWRITE_PORT,
+			(struct sockaddr *)&dst4_rw_addr,
+			sizeof(dst4_rw_addr)) == -1)
+		return -1;
+
+	struct bpf_insn insns[] = {
+		BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
+
+		/* if (sk.family == AF_INET && */
+		BPF_LDX_MEM(BPF_W, BPF_REG_7, BPF_REG_6,
+			    offsetof(struct bpf_sock_addr, family)),
+		BPF_JMP_IMM(BPF_JNE, BPF_REG_7, AF_INET, 8),
+
+		/*     sk.type == SOCK_DGRAM)  { */
+		BPF_LDX_MEM(BPF_W, BPF_REG_7, BPF_REG_6,
+			    offsetof(struct bpf_sock_addr, type)),
+		BPF_JMP_IMM(BPF_JNE, BPF_REG_7, SOCK_DGRAM, 6),
+
+		/*      msg_src_ip4 = src4_rw_ip */
+		BPF_MOV32_IMM(BPF_REG_7, src4_rw_ip.s_addr),
+		BPF_STX_MEM(BPF_W, BPF_REG_6, BPF_REG_7,
+			    offsetof(struct bpf_sock_addr, msg_src_ip4)),
+
+		/*      user_ip4 = dst4_rw_addr.sin_addr */
+		BPF_MOV32_IMM(BPF_REG_7, dst4_rw_addr.sin_addr.s_addr),
+		BPF_STX_MEM(BPF_W, BPF_REG_6, BPF_REG_7,
+			    offsetof(struct bpf_sock_addr, user_ip4)),
+
+		/*      user_port = dst4_rw_addr.sin_port */
+		BPF_MOV32_IMM(BPF_REG_7, dst4_rw_addr.sin_port),
+		BPF_STX_MEM(BPF_W, BPF_REG_6, BPF_REG_7,
+			    offsetof(struct bpf_sock_addr, user_port)),
+		/* } */
+
+		/* return 1 */
+		BPF_MOV64_IMM(BPF_REG_0, 1),
+		BPF_EXIT_INSN(),
+	};
+
+	return load_insns(test, insns, ARRAY_SIZE(insns));
+}
+
+static int recvmsg4_rw_c_prog_load(const struct sock_addr_test *test)
+{
+	return load_path(test, RECVMSG4_PROG_PATH);
+}
+
+static int sendmsg4_rw_c_prog_load(const struct sock_addr_test *test)
+{
+	return load_path(test, SENDMSG4_PROG_PATH);
+}
+
+static int sendmsg6_rw_dst_asm_prog_load(const struct sock_addr_test *test,
+					 const char *rw_dst_ip)
+{
+	struct sockaddr_in6 dst6_rw_addr;
+	struct in6_addr src6_rw_ip;
+
+	if (inet_pton(AF_INET6, SRC6_REWRITE_IP, (void *)&src6_rw_ip) != 1) {
+		log_err("Invalid IPv6: %s", SRC6_REWRITE_IP);
+		return -1;
+	}
+
+	if (mk_sockaddr(AF_INET6, rw_dst_ip, SERV6_REWRITE_PORT,
+			(struct sockaddr *)&dst6_rw_addr,
+			sizeof(dst6_rw_addr)) == -1)
+		return -1;
+
+	struct bpf_insn insns[] = {
+		BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
+
+		/* if (sk.family == AF_INET6) { */
+		BPF_LDX_MEM(BPF_W, BPF_REG_7, BPF_REG_6,
+			    offsetof(struct bpf_sock_addr, family)),
+		BPF_JMP_IMM(BPF_JNE, BPF_REG_7, AF_INET6, 18),
+
+#define STORE_IPV6_WORD_N(DST, SRC, N)					       \
+		BPF_MOV32_IMM(BPF_REG_7, SRC[N]),			       \
+		BPF_STX_MEM(BPF_W, BPF_REG_6, BPF_REG_7,		       \
+			    offsetof(struct bpf_sock_addr, DST[N]))
+
+#define STORE_IPV6(DST, SRC)						       \
+		STORE_IPV6_WORD_N(DST, SRC, 0),				       \
+		STORE_IPV6_WORD_N(DST, SRC, 1),				       \
+		STORE_IPV6_WORD_N(DST, SRC, 2),				       \
+		STORE_IPV6_WORD_N(DST, SRC, 3)
+
+		STORE_IPV6(msg_src_ip6, src6_rw_ip.s6_addr32),
+		STORE_IPV6(user_ip6, dst6_rw_addr.sin6_addr.s6_addr32),
+
+		/*      user_port = dst6_rw_addr.sin6_port */
+		BPF_MOV32_IMM(BPF_REG_7, dst6_rw_addr.sin6_port),
+		BPF_STX_MEM(BPF_W, BPF_REG_6, BPF_REG_7,
+			    offsetof(struct bpf_sock_addr, user_port)),
+
+		/* } */
+
+		/* return 1 */
+		BPF_MOV64_IMM(BPF_REG_0, 1),
+		BPF_EXIT_INSN(),
+	};
+
+	return load_insns(test, insns, ARRAY_SIZE(insns));
+}
+
+static int sendmsg6_rw_asm_prog_load(const struct sock_addr_test *test)
+{
+	return sendmsg6_rw_dst_asm_prog_load(test, SERV6_REWRITE_IP);
+}
+
+static int recvmsg6_rw_c_prog_load(const struct sock_addr_test *test)
+{
+	return load_path(test, RECVMSG6_PROG_PATH);
+}
+
+static int sendmsg6_rw_v4mapped_prog_load(const struct sock_addr_test *test)
+{
+	return sendmsg6_rw_dst_asm_prog_load(test, SERV6_V4MAPPED_IP);
+}
+
+static int sendmsg6_rw_wildcard_prog_load(const struct sock_addr_test *test)
+{
+	return sendmsg6_rw_dst_asm_prog_load(test, WILDCARD6_IP);
+}
+
+static int sendmsg6_rw_c_prog_load(const struct sock_addr_test *test)
+{
+	return load_path(test, SENDMSG6_PROG_PATH);
+}
+
+static int cmp_addr(const struct sockaddr_storage *addr1,
+		    const struct sockaddr_storage *addr2, int cmp_port)
+{
+	const struct sockaddr_in *four1, *four2;
+	const struct sockaddr_in6 *six1, *six2;
+
+	if (addr1->ss_family != addr2->ss_family)
+		return -1;
+
+	if (addr1->ss_family == AF_INET) {
+		four1 = (const struct sockaddr_in *)addr1;
+		four2 = (const struct sockaddr_in *)addr2;
+		return !((four1->sin_port == four2->sin_port || !cmp_port) &&
+			 four1->sin_addr.s_addr == four2->sin_addr.s_addr);
+	} else if (addr1->ss_family == AF_INET6) {
+		six1 = (const struct sockaddr_in6 *)addr1;
+		six2 = (const struct sockaddr_in6 *)addr2;
+		return !((six1->sin6_port == six2->sin6_port || !cmp_port) &&
+			 !memcmp(&six1->sin6_addr, &six2->sin6_addr,
+				 sizeof(struct in6_addr)));
+	}
+
+	return -1;
+}
+
+static int cmp_sock_addr(info_fn fn, int sock1,
+			 const struct sockaddr_storage *addr2, int cmp_port)
+{
+	struct sockaddr_storage addr1;
+	socklen_t len1 = sizeof(addr1);
+
+	memset(&addr1, 0, len1);
+	if (fn(sock1, (struct sockaddr *)&addr1, (socklen_t *)&len1) != 0)
+		return -1;
+
+	return cmp_addr(&addr1, addr2, cmp_port);
+}
+
+static int cmp_local_ip(int sock1, const struct sockaddr_storage *addr2)
+{
+	return cmp_sock_addr(getsockname, sock1, addr2, /*cmp_port*/ 0);
+}
+
+static int cmp_local_addr(int sock1, const struct sockaddr_storage *addr2)
+{
+	return cmp_sock_addr(getsockname, sock1, addr2, /*cmp_port*/ 1);
+}
+
+static int cmp_peer_addr(int sock1, const struct sockaddr_storage *addr2)
+{
+	return cmp_sock_addr(getpeername, sock1, addr2, /*cmp_port*/ 1);
+}
+
+static int start_server(int type, const struct sockaddr_storage *addr,
+			socklen_t addr_len)
+{
+	int fd;
+
+	fd = socket(addr->ss_family, type, 0);
+	if (fd == -1) {
+		log_err("Failed to create server socket");
+		goto out;
+	}
+
+	if (bind(fd, (const struct sockaddr *)addr, addr_len) == -1) {
+		log_err("Failed to bind server socket");
+		goto close_out;
+	}
+
+	if (type == SOCK_STREAM) {
+		if (listen(fd, 128) == -1) {
+			log_err("Failed to listen on server socket");
+			goto close_out;
+		}
+	}
+
+	goto out;
+close_out:
+	close(fd);
+	fd = -1;
+out:
+	return fd;
+}
+
+static int connect_to_server(int type, const struct sockaddr_storage *addr,
+			     socklen_t addr_len)
+{
+	int domain;
+	int fd = -1;
+
+	domain = addr->ss_family;
+
+	if (domain != AF_INET && domain != AF_INET6) {
+		log_err("Unsupported address family");
+		goto err;
+	}
+
+	fd = socket(domain, type, 0);
+	if (fd == -1) {
+		log_err("Failed to create client socket");
+		goto err;
+	}
+
+	if (connect(fd, (const struct sockaddr *)addr, addr_len) == -1) {
+		log_err("Fail to connect to server");
+		goto err;
+	}
+
+	goto out;
+err:
+	close(fd);
+	fd = -1;
+out:
+	return fd;
+}
+
+int init_pktinfo(int domain, struct cmsghdr *cmsg)
+{
+	struct in6_pktinfo *pktinfo6;
+	struct in_pktinfo *pktinfo4;
+
+	if (domain == AF_INET) {
+		cmsg->cmsg_level = SOL_IP;
+		cmsg->cmsg_type = IP_PKTINFO;
+		cmsg->cmsg_len = CMSG_LEN(sizeof(struct in_pktinfo));
+		pktinfo4 = (struct in_pktinfo *)CMSG_DATA(cmsg);
+		memset(pktinfo4, 0, sizeof(struct in_pktinfo));
+		if (inet_pton(domain, SRC4_IP,
+			      (void *)&pktinfo4->ipi_spec_dst) != 1)
+			return -1;
+	} else if (domain == AF_INET6) {
+		cmsg->cmsg_level = SOL_IPV6;
+		cmsg->cmsg_type = IPV6_PKTINFO;
+		cmsg->cmsg_len = CMSG_LEN(sizeof(struct in6_pktinfo));
+		pktinfo6 = (struct in6_pktinfo *)CMSG_DATA(cmsg);
+		memset(pktinfo6, 0, sizeof(struct in6_pktinfo));
+		if (inet_pton(domain, SRC6_IP,
+			      (void *)&pktinfo6->ipi6_addr) != 1)
+			return -1;
+	} else {
+		return -1;
+	}
+
+	return 0;
+}
+
+static int sendmsg_to_server(int type, const struct sockaddr_storage *addr,
+			     socklen_t addr_len, int set_cmsg, int flags,
+			     int *syscall_err)
+{
+	union {
+		char buf[CMSG_SPACE(sizeof(struct in6_pktinfo))];
+		struct cmsghdr align;
+	} control6;
+	union {
+		char buf[CMSG_SPACE(sizeof(struct in_pktinfo))];
+		struct cmsghdr align;
+	} control4;
+	struct msghdr hdr;
+	struct iovec iov;
+	char data = 'a';
+	int domain;
+	int fd = -1;
+
+	domain = addr->ss_family;
+
+	if (domain != AF_INET && domain != AF_INET6) {
+		log_err("Unsupported address family");
+		goto err;
+	}
+
+	fd = socket(domain, type, 0);
+	if (fd == -1) {
+		log_err("Failed to create client socket");
+		goto err;
+	}
+
+	memset(&iov, 0, sizeof(iov));
+	iov.iov_base = &data;
+	iov.iov_len = sizeof(data);
+
+	memset(&hdr, 0, sizeof(hdr));
+	hdr.msg_name = (void *)addr;
+	hdr.msg_namelen = addr_len;
+	hdr.msg_iov = &iov;
+	hdr.msg_iovlen = 1;
+
+	if (set_cmsg) {
+		if (domain == AF_INET) {
+			hdr.msg_control = &control4;
+			hdr.msg_controllen = sizeof(control4.buf);
+		} else if (domain == AF_INET6) {
+			hdr.msg_control = &control6;
+			hdr.msg_controllen = sizeof(control6.buf);
+		}
+		if (init_pktinfo(domain, CMSG_FIRSTHDR(&hdr))) {
+			log_err("Fail to init pktinfo");
+			goto err;
+		}
+	}
+
+	if (sendmsg(fd, &hdr, flags) != sizeof(data)) {
+		log_err("Fail to send message to server");
+		*syscall_err = errno;
+		goto err;
+	}
+
+	goto out;
+err:
+	close(fd);
+	fd = -1;
+out:
+	return fd;
+}
+
+static int fastconnect_to_server(const struct sockaddr_storage *addr,
+				 socklen_t addr_len)
+{
+	int sendmsg_err;
+
+	return sendmsg_to_server(SOCK_STREAM, addr, addr_len, /*set_cmsg*/0,
+				 MSG_FASTOPEN, &sendmsg_err);
+}
+
+static int recvmsg_from_client(int sockfd, struct sockaddr_storage *src_addr)
+{
+	struct timeval tv;
+	struct msghdr hdr;
+	struct iovec iov;
+	char data[64];
+	fd_set rfds;
+
+	FD_ZERO(&rfds);
+	FD_SET(sockfd, &rfds);
+
+	tv.tv_sec = 2;
+	tv.tv_usec = 0;
+
+	if (select(sockfd + 1, &rfds, NULL, NULL, &tv) <= 0 ||
+	    !FD_ISSET(sockfd, &rfds))
+		return -1;
+
+	memset(&iov, 0, sizeof(iov));
+	iov.iov_base = data;
+	iov.iov_len = sizeof(data);
+
+	memset(&hdr, 0, sizeof(hdr));
+	hdr.msg_name = src_addr;
+	hdr.msg_namelen = sizeof(struct sockaddr_storage);
+	hdr.msg_iov = &iov;
+	hdr.msg_iovlen = 1;
+
+	return recvmsg(sockfd, &hdr, 0);
+}
+
+static int init_addrs(const struct sock_addr_test *test,
+		      struct sockaddr_storage *requested_addr,
+		      struct sockaddr_storage *expected_addr,
+		      struct sockaddr_storage *expected_src_addr)
+{
+	socklen_t addr_len = sizeof(struct sockaddr_storage);
+
+	if (mk_sockaddr(test->domain, test->expected_ip, test->expected_port,
+			(struct sockaddr *)expected_addr, addr_len) == -1)
+		goto err;
+
+	if (mk_sockaddr(test->domain, test->requested_ip, test->requested_port,
+			(struct sockaddr *)requested_addr, addr_len) == -1)
+		goto err;
+
+	if (test->expected_src_ip &&
+	    mk_sockaddr(test->domain, test->expected_src_ip, 0,
+			(struct sockaddr *)expected_src_addr, addr_len) == -1)
+		goto err;
+
+	return 0;
+err:
+	return -1;
+}
+
+static int run_bind_test_case(const struct sock_addr_test *test)
+{
+	socklen_t addr_len = sizeof(struct sockaddr_storage);
+	struct sockaddr_storage requested_addr;
+	struct sockaddr_storage expected_addr;
+	int clientfd = -1;
+	int servfd = -1;
+	int err = 0;
+
+	if (init_addrs(test, &requested_addr, &expected_addr, NULL))
+		goto err;
+
+	servfd = start_server(test->type, &requested_addr, addr_len);
+	if (servfd == -1)
+		goto err;
+
+	if (cmp_local_addr(servfd, &expected_addr))
+		goto err;
+
+	/* Try to connect to server just in case */
+	clientfd = connect_to_server(test->type, &expected_addr, addr_len);
+	if (clientfd == -1)
+		goto err;
+
+	goto out;
+err:
+	err = -1;
+out:
+	close(clientfd);
+	close(servfd);
+	return err;
+}
+
+static int run_connect_test_case(const struct sock_addr_test *test)
+{
+	socklen_t addr_len = sizeof(struct sockaddr_storage);
+	struct sockaddr_storage expected_src_addr;
+	struct sockaddr_storage requested_addr;
+	struct sockaddr_storage expected_addr;
+	int clientfd = -1;
+	int servfd = -1;
+	int err = 0;
+
+	if (init_addrs(test, &requested_addr, &expected_addr,
+		       &expected_src_addr))
+		goto err;
+
+	/* Prepare server to connect to */
+	servfd = start_server(test->type, &expected_addr, addr_len);
+	if (servfd == -1)
+		goto err;
+
+	clientfd = connect_to_server(test->type, &requested_addr, addr_len);
+	if (clientfd == -1)
+		goto err;
+
+	/* Make sure src and dst addrs were overridden properly */
+	if (cmp_peer_addr(clientfd, &expected_addr))
+		goto err;
+
+	if (cmp_local_ip(clientfd, &expected_src_addr))
+		goto err;
+
+	if (test->type == SOCK_STREAM) {
+		/* Test TCP Fast Open scenario */
+		clientfd = fastconnect_to_server(&requested_addr, addr_len);
+		if (clientfd == -1)
+			goto err;
+
+		/* Make sure src and dst addrs were overridden properly */
+		if (cmp_peer_addr(clientfd, &expected_addr))
+			goto err;
+
+		if (cmp_local_ip(clientfd, &expected_src_addr))
+			goto err;
+	}
+
+	goto out;
+err:
+	err = -1;
+out:
+	close(clientfd);
+	close(servfd);
+	return err;
+}
+
+static int run_xmsg_test_case(const struct sock_addr_test *test, int max_cmsg)
+{
+	socklen_t addr_len = sizeof(struct sockaddr_storage);
+	struct sockaddr_storage expected_addr;
+	struct sockaddr_storage server_addr;
+	struct sockaddr_storage sendmsg_addr;
+	struct sockaddr_storage recvmsg_addr;
+	int clientfd = -1;
+	int servfd = -1;
+	int set_cmsg;
+	int err = 0;
+
+	if (test->type != SOCK_DGRAM)
+		goto err;
+
+	if (init_addrs(test, &sendmsg_addr, &server_addr, &expected_addr))
+		goto err;
+
+	/* Prepare server to sendmsg to */
+	servfd = start_server(test->type, &server_addr, addr_len);
+	if (servfd == -1)
+		goto err;
+
+	for (set_cmsg = 0; set_cmsg <= max_cmsg; ++set_cmsg) {
+		if (clientfd >= 0)
+			close(clientfd);
+
+		clientfd = sendmsg_to_server(test->type, &sendmsg_addr,
+					     addr_len, set_cmsg, /*flags*/0,
+					     &err);
+		if (err)
+			goto out;
+		else if (clientfd == -1)
+			goto err;
+
+		/* Try to receive message on server instead of using
+		 * getpeername(2) on client socket, to check that client's
+		 * destination address was rewritten properly, since
+		 * getpeername(2) doesn't work with unconnected datagram
+		 * sockets.
+		 *
+		 * Get source address from recvmsg(2) as well to make sure
+		 * source was rewritten properly: getsockname(2) can't be used
+		 * since socket is unconnected and source defined for one
+		 * specific packet may differ from the one used by default and
+		 * returned by getsockname(2).
+		 */
+		if (recvmsg_from_client(servfd, &recvmsg_addr) == -1)
+			goto err;
+
+		if (cmp_addr(&recvmsg_addr, &expected_addr, /*cmp_port*/0))
+			goto err;
+	}
+
+	goto out;
+err:
+	err = -1;
+out:
+	close(clientfd);
+	close(servfd);
+	return err;
+}
+
+static int run_test_case(int cgfd, const struct sock_addr_test *test)
+{
+	int progfd = -1;
+	int err = 0;
+
+	printf("Test case: %s .. ", test->descr);
+
+	progfd = test->loadfn(test);
+	if (test->expected_result == LOAD_REJECT && progfd < 0)
+		goto out;
+	else if (test->expected_result == LOAD_REJECT || progfd < 0)
+		goto err;
+
+	err = bpf_prog_attach(progfd, cgfd, test->attach_type,
+			      BPF_F_ALLOW_OVERRIDE);
+	if (test->expected_result == ATTACH_REJECT && err) {
+		err = 0; /* error was expected, reset it */
+		goto out;
+	} else if (test->expected_result == ATTACH_REJECT || err) {
+		goto err;
+	} else if (test->expected_result == ATTACH_OKAY) {
+		err = 0;
+		goto out;
+	}
+
+	switch (test->attach_type) {
+	case BPF_CGROUP_INET4_BIND:
+	case BPF_CGROUP_INET6_BIND:
+		err = run_bind_test_case(test);
+		break;
+	case BPF_CGROUP_INET4_CONNECT:
+	case BPF_CGROUP_INET6_CONNECT:
+		err = run_connect_test_case(test);
+		break;
+	case BPF_CGROUP_UDP4_SENDMSG:
+	case BPF_CGROUP_UDP6_SENDMSG:
+		err = run_xmsg_test_case(test, 1);
+		break;
+	case BPF_CGROUP_UDP4_RECVMSG:
+	case BPF_CGROUP_UDP6_RECVMSG:
+		err = run_xmsg_test_case(test, 0);
+		break;
+	default:
+		goto err;
+	}
+
+	if (test->expected_result == SYSCALL_EPERM && err == EPERM) {
+		err = 0; /* error was expected, reset it */
+		goto out;
+	}
+
+	if (test->expected_result == SYSCALL_ENOTSUPP && err == ENOTSUPP) {
+		err = 0; /* error was expected, reset it */
+		goto out;
+	}
+
+	if (err || test->expected_result != SUCCESS)
+		goto err;
+
+	goto out;
+err:
+	err = -1;
+out:
+	/* Detaching w/o checking return code: best effort attempt. */
+	if (progfd != -1)
+		bpf_prog_detach(cgfd, test->attach_type);
+	close(progfd);
+	printf("[%s]\n", err ? "FAIL" : "PASS");
+	return err;
+}
+
+static int run_tests(int cgfd)
+{
+	int passes = 0;
+	int fails = 0;
+	int i;
+
+	for (i = 0; i < ARRAY_SIZE(tests); ++i) {
+		if (run_test_case(cgfd, &tests[i]))
+			++fails;
+		else
+			++passes;
+	}
+	printf("Summary: %d PASSED, %d FAILED\n", passes, fails);
+	return fails ? -1 : 0;
+}
+
+int main(int argc, char **argv)
+{
+	int cgfd = -1;
+	int err = 0;
+
+	if (argc < 2) {
+		fprintf(stderr,
+			"%s has to be run via %s.sh. Skip direct run.\n",
+			argv[0], argv[0]);
+		exit(err);
+	}
+
+	cgfd = cgroup_setup_and_join(CG_PATH);
+	if (cgfd < 0)
+		goto err;
+
+	/* Use libbpf 1.0 API mode */
+	libbpf_set_strict_mode(LIBBPF_STRICT_ALL);
+
+	if (run_tests(cgfd))
+		goto err;
+
+	goto out;
+err:
+	err = -1;
+out:
+	close(cgfd);
+	cleanup_cgroup_environment();
+	return err;
+}
diff --git a/tools/testing/selftests/bpf/test_sock_addr.sh b/tools/testing/selftests/bpf/test_sock_addr.sh
new file mode 100755
index 000000000..3b9fdb809
--- /dev/null
+++ b/tools/testing/selftests/bpf/test_sock_addr.sh
@@ -0,0 +1,58 @@
+#!/bin/sh
+
+set -eu
+
+ping_once()
+{
+	type ping${1} >/dev/null 2>&1 && PING="ping${1}" || PING="ping -${1}"
+	$PING -q -c 1 -W 1 ${2%%/*} >/dev/null 2>&1
+}
+
+wait_for_ip()
+{
+	local _i
+	echo -n "Wait for testing IPv4/IPv6 to become available "
+	for _i in $(seq ${MAX_PING_TRIES}); do
+		echo -n "."
+		if ping_once 4 ${TEST_IPv4} && ping_once 6 ${TEST_IPv6}; then
+			echo " OK"
+			return
+		fi
+	done
+	echo 1>&2 "ERROR: Timeout waiting for test IP to become available."
+	exit 1
+}
+
+setup()
+{
+	# Create testing interfaces not to interfere with current environment.
+	ip link add dev ${TEST_IF} type veth peer name ${TEST_IF_PEER}
+	ip link set ${TEST_IF} up
+	ip link set ${TEST_IF_PEER} up
+
+	ip -4 addr add ${TEST_IPv4} dev ${TEST_IF}
+	ip -6 addr add ${TEST_IPv6} dev ${TEST_IF}
+	wait_for_ip
+}
+
+cleanup()
+{
+	ip link del ${TEST_IF} 2>/dev/null || :
+	ip link del ${TEST_IF_PEER} 2>/dev/null || :
+}
+
+main()
+{
+	trap cleanup EXIT 2 3 6 15
+	setup
+	./test_sock_addr setup_done
+}
+
+BASENAME=$(basename $0 .sh)
+TEST_IF="${BASENAME}1"
+TEST_IF_PEER="${BASENAME}2"
+TEST_IPv4="127.0.0.4/8"
+TEST_IPv6="::6/128"
+MAX_PING_TRIES=5
+
+main
diff --git a/tools/testing/selftests/bpf/test_sockmap.c b/tools/testing/selftests/bpf/test_sockmap.c
new file mode 100644
index 000000000..e768181a1
--- /dev/null
+++ b/tools/testing/selftests/bpf/test_sockmap.c
@@ -0,0 +1,2098 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (c) 2017-2018 Covalent IO, Inc. http://covalent.io
+#include <stdio.h>
+#include <stdlib.h>
+#include <sys/socket.h>
+#include <sys/ioctl.h>
+#include <sys/select.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+#include <unistd.h>
+#include <string.h>
+#include <errno.h>
+#include <stdbool.h>
+#include <signal.h>
+#include <fcntl.h>
+#include <sys/wait.h>
+#include <time.h>
+#include <sched.h>
+
+#include <sys/time.h>
+#include <sys/types.h>
+#include <sys/sendfile.h>
+
+#include <linux/netlink.h>
+#include <linux/socket.h>
+#include <linux/sock_diag.h>
+#include <linux/bpf.h>
+#include <linux/if_link.h>
+#include <linux/tls.h>
+#include <assert.h>
+#include <libgen.h>
+
+#include <getopt.h>
+
+#include <bpf/bpf.h>
+#include <bpf/libbpf.h>
+
+#include "bpf_util.h"
+#include "cgroup_helpers.h"
+
+int running;
+static void running_handler(int a);
+
+#ifndef TCP_ULP
+# define TCP_ULP 31
+#endif
+#ifndef SOL_TLS
+# define SOL_TLS 282
+#endif
+
+/* randomly selected ports for testing on lo */
+#define S1_PORT 10000
+#define S2_PORT 10001
+
+#define BPF_SOCKMAP_FILENAME  "test_sockmap_kern.bpf.o"
+#define BPF_SOCKHASH_FILENAME "test_sockhash_kern.bpf.o"
+#define CG_PATH "/sockmap"
+
+/* global sockets */
+int s1, s2, c1, c2, p1, p2;
+int test_cnt;
+int passed;
+int failed;
+int map_fd[9];
+struct bpf_map *maps[9];
+int prog_fd[11];
+
+int txmsg_pass;
+int txmsg_redir;
+int txmsg_drop;
+int txmsg_apply;
+int txmsg_cork;
+int txmsg_start;
+int txmsg_end;
+int txmsg_start_push;
+int txmsg_end_push;
+int txmsg_start_pop;
+int txmsg_pop;
+int txmsg_ingress;
+int txmsg_redir_skb;
+int txmsg_ktls_skb;
+int txmsg_ktls_skb_drop;
+int txmsg_ktls_skb_redir;
+int ktls;
+int peek_flag;
+int skb_use_parser;
+int txmsg_omit_skb_parser;
+
+static const struct option long_options[] = {
+	{"help",	no_argument,		NULL, 'h' },
+	{"cgroup",	required_argument,	NULL, 'c' },
+	{"rate",	required_argument,	NULL, 'r' },
+	{"verbose",	optional_argument,	NULL, 'v' },
+	{"iov_count",	required_argument,	NULL, 'i' },
+	{"length",	required_argument,	NULL, 'l' },
+	{"test",	required_argument,	NULL, 't' },
+	{"data_test",   no_argument,		NULL, 'd' },
+	{"txmsg",		no_argument,	&txmsg_pass,  1  },
+	{"txmsg_redir",		no_argument,	&txmsg_redir, 1  },
+	{"txmsg_drop",		no_argument,	&txmsg_drop, 1 },
+	{"txmsg_apply",	required_argument,	NULL, 'a'},
+	{"txmsg_cork",	required_argument,	NULL, 'k'},
+	{"txmsg_start", required_argument,	NULL, 's'},
+	{"txmsg_end",	required_argument,	NULL, 'e'},
+	{"txmsg_start_push", required_argument,	NULL, 'p'},
+	{"txmsg_end_push",   required_argument,	NULL, 'q'},
+	{"txmsg_start_pop",  required_argument,	NULL, 'w'},
+	{"txmsg_pop",	     required_argument,	NULL, 'x'},
+	{"txmsg_ingress", no_argument,		&txmsg_ingress, 1 },
+	{"txmsg_redir_skb", no_argument,	&txmsg_redir_skb, 1 },
+	{"ktls", no_argument,			&ktls, 1 },
+	{"peek", no_argument,			&peek_flag, 1 },
+	{"txmsg_omit_skb_parser", no_argument,      &txmsg_omit_skb_parser, 1},
+	{"whitelist", required_argument,	NULL, 'n' },
+	{"blacklist", required_argument,	NULL, 'b' },
+	{0, 0, NULL, 0 }
+};
+
+struct test_env {
+	const char *type;
+	const char *subtest;
+	const char *prepend;
+
+	int test_num;
+	int subtest_num;
+
+	int succ_cnt;
+	int fail_cnt;
+	int fail_last;
+};
+
+struct test_env env;
+
+struct sockmap_options {
+	int verbose;
+	bool base;
+	bool sendpage;
+	bool data_test;
+	bool drop_expected;
+	bool check_recved_len;
+	bool tx_wait_mem;
+	int iov_count;
+	int iov_length;
+	int rate;
+	char *map;
+	char *whitelist;
+	char *blacklist;
+	char *prepend;
+};
+
+struct _test {
+	char *title;
+	void (*tester)(int cg_fd, struct sockmap_options *opt);
+};
+
+static void test_start(void)
+{
+	env.subtest_num++;
+}
+
+static void test_fail(void)
+{
+	env.fail_cnt++;
+}
+
+static void test_pass(void)
+{
+	env.succ_cnt++;
+}
+
+static void test_reset(void)
+{
+	txmsg_start = txmsg_end = 0;
+	txmsg_start_pop = txmsg_pop = 0;
+	txmsg_start_push = txmsg_end_push = 0;
+	txmsg_pass = txmsg_drop = txmsg_redir = 0;
+	txmsg_apply = txmsg_cork = 0;
+	txmsg_ingress = txmsg_redir_skb = 0;
+	txmsg_ktls_skb = txmsg_ktls_skb_drop = txmsg_ktls_skb_redir = 0;
+	txmsg_omit_skb_parser = 0;
+	skb_use_parser = 0;
+}
+
+static int test_start_subtest(const struct _test *t, struct sockmap_options *o)
+{
+	env.type = o->map;
+	env.subtest = t->title;
+	env.prepend = o->prepend;
+	env.test_num++;
+	env.subtest_num = 0;
+	env.fail_last = env.fail_cnt;
+	test_reset();
+	return 0;
+}
+
+static void test_end_subtest(void)
+{
+	int error = env.fail_cnt - env.fail_last;
+	int type = strcmp(env.type, BPF_SOCKMAP_FILENAME);
+
+	if (!error)
+		test_pass();
+
+	fprintf(stdout, "#%2d/%2d %8s:%s:%s:%s\n",
+		env.test_num, env.subtest_num,
+		!type ? "sockmap" : "sockhash",
+		env.prepend ? : "",
+		env.subtest, error ? "FAIL" : "OK");
+}
+
+static void test_print_results(void)
+{
+	fprintf(stdout, "Pass: %d Fail: %d\n",
+		env.succ_cnt, env.fail_cnt);
+}
+
+static void usage(char *argv[])
+{
+	int i;
+
+	printf(" Usage: %s --cgroup <cgroup_path>\n", argv[0]);
+	printf(" options:\n");
+	for (i = 0; long_options[i].name != 0; i++) {
+		printf(" --%-12s", long_options[i].name);
+		if (long_options[i].flag != NULL)
+			printf(" flag (internal value:%d)\n",
+				*long_options[i].flag);
+		else
+			printf(" -%c\n", long_options[i].val);
+	}
+	printf("\n");
+}
+
+char *sock_to_string(int s)
+{
+	if (s == c1)
+		return "client1";
+	else if (s == c2)
+		return "client2";
+	else if (s == s1)
+		return "server1";
+	else if (s == s2)
+		return "server2";
+	else if (s == p1)
+		return "peer1";
+	else if (s == p2)
+		return "peer2";
+	else
+		return "unknown";
+}
+
+static int sockmap_init_ktls(int verbose, int s)
+{
+	struct tls12_crypto_info_aes_gcm_128 tls_tx = {
+		.info = {
+			.version     = TLS_1_2_VERSION,
+			.cipher_type = TLS_CIPHER_AES_GCM_128,
+		},
+	};
+	struct tls12_crypto_info_aes_gcm_128 tls_rx = {
+		.info = {
+			.version     = TLS_1_2_VERSION,
+			.cipher_type = TLS_CIPHER_AES_GCM_128,
+		},
+	};
+	int so_buf = 6553500;
+	int err;
+
+	err = setsockopt(s, 6, TCP_ULP, "tls", sizeof("tls"));
+	if (err) {
+		fprintf(stderr, "setsockopt: TCP_ULP(%s) failed with error %i\n", sock_to_string(s), err);
+		return -EINVAL;
+	}
+	err = setsockopt(s, SOL_TLS, TLS_TX, (void *)&tls_tx, sizeof(tls_tx));
+	if (err) {
+		fprintf(stderr, "setsockopt: TLS_TX(%s) failed with error %i\n", sock_to_string(s), err);
+		return -EINVAL;
+	}
+	err = setsockopt(s, SOL_TLS, TLS_RX, (void *)&tls_rx, sizeof(tls_rx));
+	if (err) {
+		fprintf(stderr, "setsockopt: TLS_RX(%s) failed with error %i\n", sock_to_string(s), err);
+		return -EINVAL;
+	}
+	err = setsockopt(s, SOL_SOCKET, SO_SNDBUF, &so_buf, sizeof(so_buf));
+	if (err) {
+		fprintf(stderr, "setsockopt: (%s) failed sndbuf with error %i\n", sock_to_string(s), err);
+		return -EINVAL;
+	}
+	err = setsockopt(s, SOL_SOCKET, SO_RCVBUF, &so_buf, sizeof(so_buf));
+	if (err) {
+		fprintf(stderr, "setsockopt: (%s) failed rcvbuf with error %i\n", sock_to_string(s), err);
+		return -EINVAL;
+	}
+
+	if (verbose)
+		fprintf(stdout, "socket(%s) kTLS enabled\n", sock_to_string(s));
+	return 0;
+}
+static int sockmap_init_sockets(int verbose)
+{
+	int i, err, one = 1;
+	struct sockaddr_in addr;
+	int *fds[4] = {&s1, &s2, &c1, &c2};
+
+	s1 = s2 = p1 = p2 = c1 = c2 = 0;
+
+	/* Init sockets */
+	for (i = 0; i < 4; i++) {
+		*fds[i] = socket(AF_INET, SOCK_STREAM, 0);
+		if (*fds[i] < 0) {
+			perror("socket s1 failed()");
+			return errno;
+		}
+	}
+
+	/* Allow reuse */
+	for (i = 0; i < 2; i++) {
+		err = setsockopt(*fds[i], SOL_SOCKET, SO_REUSEADDR,
+				 (char *)&one, sizeof(one));
+		if (err) {
+			perror("setsockopt failed()");
+			return errno;
+		}
+	}
+
+	/* Non-blocking sockets */
+	for (i = 0; i < 2; i++) {
+		err = ioctl(*fds[i], FIONBIO, (char *)&one);
+		if (err < 0) {
+			perror("ioctl s1 failed()");
+			return errno;
+		}
+	}
+
+	/* Bind server sockets */
+	memset(&addr, 0, sizeof(struct sockaddr_in));
+	addr.sin_family = AF_INET;
+	addr.sin_addr.s_addr = inet_addr("127.0.0.1");
+
+	addr.sin_port = htons(S1_PORT);
+	err = bind(s1, (struct sockaddr *)&addr, sizeof(addr));
+	if (err < 0) {
+		perror("bind s1 failed()");
+		return errno;
+	}
+
+	addr.sin_port = htons(S2_PORT);
+	err = bind(s2, (struct sockaddr *)&addr, sizeof(addr));
+	if (err < 0) {
+		perror("bind s2 failed()");
+		return errno;
+	}
+
+	/* Listen server sockets */
+	addr.sin_port = htons(S1_PORT);
+	err = listen(s1, 32);
+	if (err < 0) {
+		perror("listen s1 failed()");
+		return errno;
+	}
+
+	addr.sin_port = htons(S2_PORT);
+	err = listen(s2, 32);
+	if (err < 0) {
+		perror("listen s1 failed()");
+		return errno;
+	}
+
+	/* Initiate Connect */
+	addr.sin_port = htons(S1_PORT);
+	err = connect(c1, (struct sockaddr *)&addr, sizeof(addr));
+	if (err < 0 && errno != EINPROGRESS) {
+		perror("connect c1 failed()");
+		return errno;
+	}
+
+	addr.sin_port = htons(S2_PORT);
+	err = connect(c2, (struct sockaddr *)&addr, sizeof(addr));
+	if (err < 0 && errno != EINPROGRESS) {
+		perror("connect c2 failed()");
+		return errno;
+	} else if (err < 0) {
+		err = 0;
+	}
+
+	/* Accept Connecrtions */
+	p1 = accept(s1, NULL, NULL);
+	if (p1 < 0) {
+		perror("accept s1 failed()");
+		return errno;
+	}
+
+	p2 = accept(s2, NULL, NULL);
+	if (p2 < 0) {
+		perror("accept s1 failed()");
+		return errno;
+	}
+
+	if (verbose > 1) {
+		printf("connected sockets: c1 <-> p1, c2 <-> p2\n");
+		printf("cgroups binding: c1(%i) <-> s1(%i) - - - c2(%i) <-> s2(%i)\n",
+			c1, s1, c2, s2);
+	}
+	return 0;
+}
+
+struct msg_stats {
+	size_t bytes_sent;
+	size_t bytes_recvd;
+	struct timespec start;
+	struct timespec end;
+};
+
+static int msg_loop_sendpage(int fd, int iov_length, int cnt,
+			     struct msg_stats *s,
+			     struct sockmap_options *opt)
+{
+	bool drop = opt->drop_expected;
+	unsigned char k = 0;
+	FILE *file;
+	int i, fp;
+
+	file = tmpfile();
+	if (!file) {
+		perror("create file for sendpage");
+		return 1;
+	}
+	for (i = 0; i < iov_length * cnt; i++, k++)
+		fwrite(&k, sizeof(char), 1, file);
+	fflush(file);
+	fseek(file, 0, SEEK_SET);
+
+	fp = fileno(file);
+
+	clock_gettime(CLOCK_MONOTONIC, &s->start);
+	for (i = 0; i < cnt; i++) {
+		int sent;
+
+		errno = 0;
+		sent = sendfile(fd, fp, NULL, iov_length);
+
+		if (!drop && sent < 0) {
+			perror("sendpage loop error");
+			fclose(file);
+			return sent;
+		} else if (drop && sent >= 0) {
+			printf("sendpage loop error expected: %i errno %i\n",
+			       sent, errno);
+			fclose(file);
+			return -EIO;
+		}
+
+		if (sent > 0)
+			s->bytes_sent += sent;
+	}
+	clock_gettime(CLOCK_MONOTONIC, &s->end);
+	fclose(file);
+	return 0;
+}
+
+static void msg_free_iov(struct msghdr *msg)
+{
+	int i;
+
+	for (i = 0; i < msg->msg_iovlen; i++)
+		free(msg->msg_iov[i].iov_base);
+	free(msg->msg_iov);
+	msg->msg_iov = NULL;
+	msg->msg_iovlen = 0;
+}
+
+static int msg_alloc_iov(struct msghdr *msg,
+			 int iov_count, int iov_length,
+			 bool data, bool xmit)
+{
+	unsigned char k = 0;
+	struct iovec *iov;
+	int i;
+
+	iov = calloc(iov_count, sizeof(struct iovec));
+	if (!iov)
+		return errno;
+
+	for (i = 0; i < iov_count; i++) {
+		unsigned char *d = calloc(iov_length, sizeof(char));
+
+		if (!d) {
+			fprintf(stderr, "iov_count %i/%i OOM\n", i, iov_count);
+			goto unwind_iov;
+		}
+		iov[i].iov_base = d;
+		iov[i].iov_len = iov_length;
+
+		if (data && xmit) {
+			int j;
+
+			for (j = 0; j < iov_length; j++)
+				d[j] = k++;
+		}
+	}
+
+	msg->msg_iov = iov;
+	msg->msg_iovlen = iov_count;
+
+	return 0;
+unwind_iov:
+	for (i--; i >= 0 ; i--)
+		free(msg->msg_iov[i].iov_base);
+	return -ENOMEM;
+}
+
+static int msg_verify_data(struct msghdr *msg, int size, int chunk_sz)
+{
+	int i, j = 0, bytes_cnt = 0;
+	unsigned char k = 0;
+
+	for (i = 0; i < msg->msg_iovlen; i++) {
+		unsigned char *d = msg->msg_iov[i].iov_base;
+
+		/* Special case test for skb ingress + ktls */
+		if (i == 0 && txmsg_ktls_skb) {
+			if (msg->msg_iov[i].iov_len < 4)
+				return -EIO;
+			if (memcmp(d, "PASS", 4) != 0) {
+				fprintf(stderr,
+					"detected skb data error with skb ingress update @iov[%i]:%i \"%02x %02x %02x %02x\" != \"PASS\"\n",
+					i, 0, d[0], d[1], d[2], d[3]);
+				return -EIO;
+			}
+			j = 4; /* advance index past PASS header */
+		}
+
+		for (; j < msg->msg_iov[i].iov_len && size; j++) {
+			if (d[j] != k++) {
+				fprintf(stderr,
+					"detected data corruption @iov[%i]:%i %02x != %02x, %02x ?= %02x\n",
+					i, j, d[j], k - 1, d[j+1], k);
+				return -EIO;
+			}
+			bytes_cnt++;
+			if (bytes_cnt == chunk_sz) {
+				k = 0;
+				bytes_cnt = 0;
+			}
+			size--;
+		}
+	}
+	return 0;
+}
+
+static int msg_loop(int fd, int iov_count, int iov_length, int cnt,
+		    struct msg_stats *s, bool tx,
+		    struct sockmap_options *opt)
+{
+	struct msghdr msg = {0}, msg_peek = {0};
+	int err, i, flags = MSG_NOSIGNAL;
+	bool drop = opt->drop_expected;
+	bool data = opt->data_test;
+	int iov_alloc_length = iov_length;
+
+	if (!tx && opt->check_recved_len)
+		iov_alloc_length *= 2;
+
+	err = msg_alloc_iov(&msg, iov_count, iov_alloc_length, data, tx);
+	if (err)
+		goto out_errno;
+	if (peek_flag) {
+		err = msg_alloc_iov(&msg_peek, iov_count, iov_length, data, tx);
+		if (err)
+			goto out_errno;
+	}
+
+	if (tx) {
+		clock_gettime(CLOCK_MONOTONIC, &s->start);
+		for (i = 0; i < cnt; i++) {
+			int sent;
+
+			errno = 0;
+			sent = sendmsg(fd, &msg, flags);
+
+			if (!drop && sent < 0) {
+				if (opt->tx_wait_mem && errno == EACCES) {
+					errno = 0;
+					goto out_errno;
+				}
+				perror("sendmsg loop error");
+				goto out_errno;
+			} else if (drop && sent >= 0) {
+				fprintf(stderr,
+					"sendmsg loop error expected: %i errno %i\n",
+					sent, errno);
+				errno = -EIO;
+				goto out_errno;
+			}
+			if (sent > 0)
+				s->bytes_sent += sent;
+		}
+		clock_gettime(CLOCK_MONOTONIC, &s->end);
+	} else {
+		int slct, recvp = 0, recv, max_fd = fd;
+		float total_bytes, txmsg_pop_total;
+		int fd_flags = O_NONBLOCK;
+		struct timeval timeout;
+		fd_set w;
+
+		fcntl(fd, fd_flags);
+		/* Account for pop bytes noting each iteration of apply will
+		 * call msg_pop_data helper so we need to account for this
+		 * by calculating the number of apply iterations. Note user
+		 * of the tool can create cases where no data is sent by
+		 * manipulating pop/push/pull/etc. For example txmsg_apply 1
+		 * with txmsg_pop 1 will try to apply 1B at a time but each
+		 * iteration will then pop 1B so no data will ever be sent.
+		 * This is really only useful for testing edge cases in code
+		 * paths.
+		 */
+		total_bytes = (float)iov_count * (float)iov_length * (float)cnt;
+		if (txmsg_apply)
+			txmsg_pop_total = txmsg_pop * (total_bytes / txmsg_apply);
+		else
+			txmsg_pop_total = txmsg_pop * cnt;
+		total_bytes -= txmsg_pop_total;
+		err = clock_gettime(CLOCK_MONOTONIC, &s->start);
+		if (err < 0)
+			perror("recv start time");
+		while (s->bytes_recvd < total_bytes) {
+			if (txmsg_cork) {
+				timeout.tv_sec = 0;
+				timeout.tv_usec = 300000;
+			} else {
+				timeout.tv_sec = 3;
+				timeout.tv_usec = 0;
+			}
+
+			/* FD sets */
+			FD_ZERO(&w);
+			FD_SET(fd, &w);
+
+			slct = select(max_fd + 1, &w, NULL, NULL, &timeout);
+			if (slct == -1) {
+				perror("select()");
+				clock_gettime(CLOCK_MONOTONIC, &s->end);
+				goto out_errno;
+			} else if (!slct) {
+				if (opt->verbose)
+					fprintf(stderr, "unexpected timeout: recved %zu/%f pop_total %f\n", s->bytes_recvd, total_bytes, txmsg_pop_total);
+				errno = -EIO;
+				clock_gettime(CLOCK_MONOTONIC, &s->end);
+				goto out_errno;
+			}
+
+			if (opt->tx_wait_mem) {
+				FD_ZERO(&w);
+				FD_SET(fd, &w);
+				slct = select(max_fd + 1, NULL, NULL, &w, &timeout);
+				errno = 0;
+				close(fd);
+				goto out_errno;
+			}
+
+			errno = 0;
+			if (peek_flag) {
+				flags |= MSG_PEEK;
+				recvp = recvmsg(fd, &msg_peek, flags);
+				if (recvp < 0) {
+					if (errno != EWOULDBLOCK) {
+						clock_gettime(CLOCK_MONOTONIC, &s->end);
+						goto out_errno;
+					}
+				}
+				flags = 0;
+			}
+
+			recv = recvmsg(fd, &msg, flags);
+			if (recv < 0) {
+				if (errno != EWOULDBLOCK) {
+					clock_gettime(CLOCK_MONOTONIC, &s->end);
+					perror("recv failed()");
+					goto out_errno;
+				}
+			}
+
+			s->bytes_recvd += recv;
+
+			if (opt->check_recved_len && s->bytes_recvd > total_bytes) {
+				errno = EMSGSIZE;
+				fprintf(stderr, "recv failed(), bytes_recvd:%zd, total_bytes:%f\n",
+						s->bytes_recvd, total_bytes);
+				goto out_errno;
+			}
+
+			if (data) {
+				int chunk_sz = opt->sendpage ?
+						iov_length * cnt :
+						iov_length * iov_count;
+
+				errno = msg_verify_data(&msg, recv, chunk_sz);
+				if (errno) {
+					perror("data verify msg failed");
+					goto out_errno;
+				}
+				if (recvp) {
+					errno = msg_verify_data(&msg_peek,
+								recvp,
+								chunk_sz);
+					if (errno) {
+						perror("data verify msg_peek failed");
+						goto out_errno;
+					}
+				}
+			}
+		}
+		clock_gettime(CLOCK_MONOTONIC, &s->end);
+	}
+
+	msg_free_iov(&msg);
+	msg_free_iov(&msg_peek);
+	return err;
+out_errno:
+	msg_free_iov(&msg);
+	msg_free_iov(&msg_peek);
+	return errno;
+}
+
+static float giga = 1000000000;
+
+static inline float sentBps(struct msg_stats s)
+{
+	return s.bytes_sent / (s.end.tv_sec - s.start.tv_sec);
+}
+
+static inline float recvdBps(struct msg_stats s)
+{
+	return s.bytes_recvd / (s.end.tv_sec - s.start.tv_sec);
+}
+
+static int sendmsg_test(struct sockmap_options *opt)
+{
+	float sent_Bps = 0, recvd_Bps = 0;
+	int rx_fd, txpid, rxpid, err = 0;
+	struct msg_stats s = {0};
+	int iov_count = opt->iov_count;
+	int iov_buf = opt->iov_length;
+	int rx_status, tx_status;
+	int cnt = opt->rate;
+
+	errno = 0;
+
+	if (opt->base)
+		rx_fd = p1;
+	else
+		rx_fd = p2;
+
+	if (ktls) {
+		/* Redirecting into non-TLS socket which sends into a TLS
+		 * socket is not a valid test. So in this case lets not
+		 * enable kTLS but still run the test.
+		 */
+		if (!txmsg_redir || txmsg_ingress) {
+			err = sockmap_init_ktls(opt->verbose, rx_fd);
+			if (err)
+				return err;
+		}
+		err = sockmap_init_ktls(opt->verbose, c1);
+		if (err)
+			return err;
+	}
+
+	if (opt->tx_wait_mem) {
+		struct timeval timeout;
+		int rxtx_buf_len = 1024;
+
+		timeout.tv_sec = 3;
+		timeout.tv_usec = 0;
+
+		err = setsockopt(c2, SOL_SOCKET, SO_SNDTIMEO, &timeout, sizeof(struct timeval));
+		err |= setsockopt(c2, SOL_SOCKET, SO_SNDBUFFORCE, &rxtx_buf_len, sizeof(int));
+		err |= setsockopt(p2, SOL_SOCKET, SO_RCVBUFFORCE, &rxtx_buf_len, sizeof(int));
+		if (err) {
+			perror("setsockopt failed()");
+			return errno;
+		}
+	}
+
+	rxpid = fork();
+	if (rxpid == 0) {
+		if (txmsg_pop || txmsg_start_pop)
+			iov_buf -= (txmsg_pop - txmsg_start_pop + 1);
+		if (opt->drop_expected || txmsg_ktls_skb_drop)
+			_exit(0);
+
+		if (!iov_buf) /* zero bytes sent case */
+			_exit(0);
+
+		if (opt->sendpage)
+			iov_count = 1;
+		err = msg_loop(rx_fd, iov_count, iov_buf,
+			       cnt, &s, false, opt);
+		if (opt->verbose > 1)
+			fprintf(stderr,
+				"msg_loop_rx: iov_count %i iov_buf %i cnt %i err %i\n",
+				iov_count, iov_buf, cnt, err);
+		if (s.end.tv_sec - s.start.tv_sec) {
+			sent_Bps = sentBps(s);
+			recvd_Bps = recvdBps(s);
+		}
+		if (opt->verbose > 1)
+			fprintf(stdout,
+				"rx_sendmsg: TX: %zuB %fB/s %fGB/s RX: %zuB %fB/s %fGB/s %s\n",
+				s.bytes_sent, sent_Bps, sent_Bps/giga,
+				s.bytes_recvd, recvd_Bps, recvd_Bps/giga,
+				peek_flag ? "(peek_msg)" : "");
+		if (err && txmsg_cork)
+			err = 0;
+		exit(err ? 1 : 0);
+	} else if (rxpid == -1) {
+		perror("msg_loop_rx");
+		return errno;
+	}
+
+	if (opt->tx_wait_mem)
+		close(c2);
+
+	txpid = fork();
+	if (txpid == 0) {
+		if (opt->sendpage)
+			err = msg_loop_sendpage(c1, iov_buf, cnt, &s, opt);
+		else
+			err = msg_loop(c1, iov_count, iov_buf,
+				       cnt, &s, true, opt);
+
+		if (err)
+			fprintf(stderr,
+				"msg_loop_tx: iov_count %i iov_buf %i cnt %i err %i\n",
+				iov_count, iov_buf, cnt, err);
+		if (s.end.tv_sec - s.start.tv_sec) {
+			sent_Bps = sentBps(s);
+			recvd_Bps = recvdBps(s);
+		}
+		if (opt->verbose > 1)
+			fprintf(stdout,
+				"tx_sendmsg: TX: %zuB %fB/s %f GB/s RX: %zuB %fB/s %fGB/s\n",
+				s.bytes_sent, sent_Bps, sent_Bps/giga,
+				s.bytes_recvd, recvd_Bps, recvd_Bps/giga);
+		exit(err ? 1 : 0);
+	} else if (txpid == -1) {
+		perror("msg_loop_tx");
+		return errno;
+	}
+
+	assert(waitpid(rxpid, &rx_status, 0) == rxpid);
+	assert(waitpid(txpid, &tx_status, 0) == txpid);
+	if (WIFEXITED(rx_status)) {
+		err = WEXITSTATUS(rx_status);
+		if (err) {
+			fprintf(stderr, "rx thread exited with err %d.\n", err);
+			goto out;
+		}
+	}
+	if (WIFEXITED(tx_status)) {
+		err = WEXITSTATUS(tx_status);
+		if (err)
+			fprintf(stderr, "tx thread exited with err %d.\n", err);
+	}
+out:
+	return err;
+}
+
+static int forever_ping_pong(int rate, struct sockmap_options *opt)
+{
+	struct timeval timeout;
+	char buf[1024] = {0};
+	int sc;
+
+	timeout.tv_sec = 10;
+	timeout.tv_usec = 0;
+
+	/* Ping/Pong data from client to server */
+	sc = send(c1, buf, sizeof(buf), 0);
+	if (sc < 0) {
+		perror("send failed()");
+		return sc;
+	}
+
+	do {
+		int s, rc, i, max_fd = p2;
+		fd_set w;
+
+		/* FD sets */
+		FD_ZERO(&w);
+		FD_SET(c1, &w);
+		FD_SET(c2, &w);
+		FD_SET(p1, &w);
+		FD_SET(p2, &w);
+
+		s = select(max_fd + 1, &w, NULL, NULL, &timeout);
+		if (s == -1) {
+			perror("select()");
+			break;
+		} else if (!s) {
+			fprintf(stderr, "unexpected timeout\n");
+			break;
+		}
+
+		for (i = 0; i <= max_fd && s > 0; ++i) {
+			if (!FD_ISSET(i, &w))
+				continue;
+
+			s--;
+
+			rc = recv(i, buf, sizeof(buf), 0);
+			if (rc < 0) {
+				if (errno != EWOULDBLOCK) {
+					perror("recv failed()");
+					return rc;
+				}
+			}
+
+			if (rc == 0) {
+				close(i);
+				break;
+			}
+
+			sc = send(i, buf, rc, 0);
+			if (sc < 0) {
+				perror("send failed()");
+				return sc;
+			}
+		}
+
+		if (rate)
+			sleep(rate);
+
+		if (opt->verbose) {
+			printf(".");
+			fflush(stdout);
+
+		}
+	} while (running);
+
+	return 0;
+}
+
+enum {
+	SELFTESTS,
+	PING_PONG,
+	SENDMSG,
+	BASE,
+	BASE_SENDPAGE,
+	SENDPAGE,
+};
+
+static int run_options(struct sockmap_options *options, int cg_fd,  int test)
+{
+	int i, key, next_key, err, tx_prog_fd = -1, zero = 0;
+
+	/* If base test skip BPF setup */
+	if (test == BASE || test == BASE_SENDPAGE)
+		goto run;
+
+	/* Attach programs to sockmap */
+	if (!txmsg_omit_skb_parser) {
+		err = bpf_prog_attach(prog_fd[0], map_fd[0],
+				      BPF_SK_SKB_STREAM_PARSER, 0);
+		if (err) {
+			fprintf(stderr,
+				"ERROR: bpf_prog_attach (sockmap %i->%i): %d (%s)\n",
+				prog_fd[0], map_fd[0], err, strerror(errno));
+			return err;
+		}
+	}
+
+	err = bpf_prog_attach(prog_fd[1], map_fd[0],
+				BPF_SK_SKB_STREAM_VERDICT, 0);
+	if (err) {
+		fprintf(stderr, "ERROR: bpf_prog_attach (sockmap): %d (%s)\n",
+			err, strerror(errno));
+		return err;
+	}
+
+	/* Attach programs to TLS sockmap */
+	if (txmsg_ktls_skb) {
+		if (!txmsg_omit_skb_parser) {
+			err = bpf_prog_attach(prog_fd[0], map_fd[8],
+					      BPF_SK_SKB_STREAM_PARSER, 0);
+			if (err) {
+				fprintf(stderr,
+					"ERROR: bpf_prog_attach (TLS sockmap %i->%i): %d (%s)\n",
+					prog_fd[0], map_fd[8], err, strerror(errno));
+				return err;
+			}
+		}
+
+		err = bpf_prog_attach(prog_fd[2], map_fd[8],
+				      BPF_SK_SKB_STREAM_VERDICT, 0);
+		if (err) {
+			fprintf(stderr, "ERROR: bpf_prog_attach (TLS sockmap): %d (%s)\n",
+				err, strerror(errno));
+			return err;
+		}
+	}
+
+	/* Attach to cgroups */
+	err = bpf_prog_attach(prog_fd[3], cg_fd, BPF_CGROUP_SOCK_OPS, 0);
+	if (err) {
+		fprintf(stderr, "ERROR: bpf_prog_attach (groups): %d (%s)\n",
+			err, strerror(errno));
+		return err;
+	}
+
+run:
+	err = sockmap_init_sockets(options->verbose);
+	if (err) {
+		fprintf(stderr, "ERROR: test socket failed: %d\n", err);
+		goto out;
+	}
+
+	/* Attach txmsg program to sockmap */
+	if (txmsg_pass)
+		tx_prog_fd = prog_fd[4];
+	else if (txmsg_redir)
+		tx_prog_fd = prog_fd[5];
+	else if (txmsg_apply)
+		tx_prog_fd = prog_fd[6];
+	else if (txmsg_cork)
+		tx_prog_fd = prog_fd[7];
+	else if (txmsg_drop)
+		tx_prog_fd = prog_fd[8];
+	else
+		tx_prog_fd = 0;
+
+	if (tx_prog_fd) {
+		int redir_fd, i = 0;
+
+		err = bpf_prog_attach(tx_prog_fd,
+				      map_fd[1], BPF_SK_MSG_VERDICT, 0);
+		if (err) {
+			fprintf(stderr,
+				"ERROR: bpf_prog_attach (txmsg): %d (%s)\n",
+				err, strerror(errno));
+			goto out;
+		}
+
+		err = bpf_map_update_elem(map_fd[1], &i, &c1, BPF_ANY);
+		if (err) {
+			fprintf(stderr,
+				"ERROR: bpf_map_update_elem (txmsg):  %d (%s\n",
+				err, strerror(errno));
+			goto out;
+		}
+
+		if (txmsg_redir)
+			redir_fd = c2;
+		else
+			redir_fd = c1;
+
+		err = bpf_map_update_elem(map_fd[2], &i, &redir_fd, BPF_ANY);
+		if (err) {
+			fprintf(stderr,
+				"ERROR: bpf_map_update_elem (txmsg):  %d (%s\n",
+				err, strerror(errno));
+			goto out;
+		}
+
+		if (txmsg_apply) {
+			err = bpf_map_update_elem(map_fd[3],
+						  &i, &txmsg_apply, BPF_ANY);
+			if (err) {
+				fprintf(stderr,
+					"ERROR: bpf_map_update_elem (apply_bytes):  %d (%s\n",
+					err, strerror(errno));
+				goto out;
+			}
+		}
+
+		if (txmsg_cork) {
+			err = bpf_map_update_elem(map_fd[4],
+						  &i, &txmsg_cork, BPF_ANY);
+			if (err) {
+				fprintf(stderr,
+					"ERROR: bpf_map_update_elem (cork_bytes):  %d (%s\n",
+					err, strerror(errno));
+				goto out;
+			}
+		}
+
+		if (txmsg_start) {
+			err = bpf_map_update_elem(map_fd[5],
+						  &i, &txmsg_start, BPF_ANY);
+			if (err) {
+				fprintf(stderr,
+					"ERROR: bpf_map_update_elem (txmsg_start):  %d (%s)\n",
+					err, strerror(errno));
+				goto out;
+			}
+		}
+
+		if (txmsg_end) {
+			i = 1;
+			err = bpf_map_update_elem(map_fd[5],
+						  &i, &txmsg_end, BPF_ANY);
+			if (err) {
+				fprintf(stderr,
+					"ERROR: bpf_map_update_elem (txmsg_end):  %d (%s)\n",
+					err, strerror(errno));
+				goto out;
+			}
+		}
+
+		if (txmsg_start_push) {
+			i = 2;
+			err = bpf_map_update_elem(map_fd[5],
+						  &i, &txmsg_start_push, BPF_ANY);
+			if (err) {
+				fprintf(stderr,
+					"ERROR: bpf_map_update_elem (txmsg_start_push):  %d (%s)\n",
+					err, strerror(errno));
+				goto out;
+			}
+		}
+
+		if (txmsg_end_push) {
+			i = 3;
+			err = bpf_map_update_elem(map_fd[5],
+						  &i, &txmsg_end_push, BPF_ANY);
+			if (err) {
+				fprintf(stderr,
+					"ERROR: bpf_map_update_elem %i@%i (txmsg_end_push):  %d (%s)\n",
+					txmsg_end_push, i, err, strerror(errno));
+				goto out;
+			}
+		}
+
+		if (txmsg_start_pop) {
+			i = 4;
+			err = bpf_map_update_elem(map_fd[5],
+						  &i, &txmsg_start_pop, BPF_ANY);
+			if (err) {
+				fprintf(stderr,
+					"ERROR: bpf_map_update_elem %i@%i (txmsg_start_pop):  %d (%s)\n",
+					txmsg_start_pop, i, err, strerror(errno));
+				goto out;
+			}
+		} else {
+			i = 4;
+			bpf_map_update_elem(map_fd[5],
+						  &i, &txmsg_start_pop, BPF_ANY);
+		}
+
+		if (txmsg_pop) {
+			i = 5;
+			err = bpf_map_update_elem(map_fd[5],
+						  &i, &txmsg_pop, BPF_ANY);
+			if (err) {
+				fprintf(stderr,
+					"ERROR: bpf_map_update_elem %i@%i (txmsg_pop):  %d (%s)\n",
+					txmsg_pop, i, err, strerror(errno));
+				goto out;
+			}
+		} else {
+			i = 5;
+			bpf_map_update_elem(map_fd[5],
+					    &i, &txmsg_pop, BPF_ANY);
+
+		}
+
+		if (txmsg_ingress) {
+			int in = BPF_F_INGRESS;
+
+			i = 0;
+			err = bpf_map_update_elem(map_fd[6], &i, &in, BPF_ANY);
+			if (err) {
+				fprintf(stderr,
+					"ERROR: bpf_map_update_elem (txmsg_ingress): %d (%s)\n",
+					err, strerror(errno));
+			}
+			i = 1;
+			err = bpf_map_update_elem(map_fd[1], &i, &p1, BPF_ANY);
+			if (err) {
+				fprintf(stderr,
+					"ERROR: bpf_map_update_elem (p1 txmsg): %d (%s)\n",
+					err, strerror(errno));
+			}
+			err = bpf_map_update_elem(map_fd[2], &i, &p1, BPF_ANY);
+			if (err) {
+				fprintf(stderr,
+					"ERROR: bpf_map_update_elem (p1 redir): %d (%s)\n",
+					err, strerror(errno));
+			}
+
+			i = 2;
+			err = bpf_map_update_elem(map_fd[2], &i, &p2, BPF_ANY);
+			if (err) {
+				fprintf(stderr,
+					"ERROR: bpf_map_update_elem (p2 txmsg): %d (%s)\n",
+					err, strerror(errno));
+			}
+		}
+
+		if (txmsg_ktls_skb) {
+			int ingress = BPF_F_INGRESS;
+
+			i = 0;
+			err = bpf_map_update_elem(map_fd[8], &i, &p2, BPF_ANY);
+			if (err) {
+				fprintf(stderr,
+					"ERROR: bpf_map_update_elem (c1 sockmap): %d (%s)\n",
+					err, strerror(errno));
+			}
+
+			if (txmsg_ktls_skb_redir) {
+				i = 1;
+				err = bpf_map_update_elem(map_fd[7],
+							  &i, &ingress, BPF_ANY);
+				if (err) {
+					fprintf(stderr,
+						"ERROR: bpf_map_update_elem (txmsg_ingress): %d (%s)\n",
+						err, strerror(errno));
+				}
+			}
+
+			if (txmsg_ktls_skb_drop) {
+				i = 1;
+				err = bpf_map_update_elem(map_fd[7], &i, &i, BPF_ANY);
+			}
+		}
+
+		if (txmsg_redir_skb) {
+			int skb_fd = (test == SENDMSG || test == SENDPAGE) ?
+					p2 : p1;
+			int ingress = BPF_F_INGRESS;
+
+			i = 0;
+			err = bpf_map_update_elem(map_fd[7],
+						  &i, &ingress, BPF_ANY);
+			if (err) {
+				fprintf(stderr,
+					"ERROR: bpf_map_update_elem (txmsg_ingress): %d (%s)\n",
+					err, strerror(errno));
+			}
+
+			i = 3;
+			err = bpf_map_update_elem(map_fd[0], &i, &skb_fd, BPF_ANY);
+			if (err) {
+				fprintf(stderr,
+					"ERROR: bpf_map_update_elem (c1 sockmap): %d (%s)\n",
+					err, strerror(errno));
+			}
+		}
+	}
+
+	if (skb_use_parser) {
+		i = 2;
+		err = bpf_map_update_elem(map_fd[7], &i, &skb_use_parser, BPF_ANY);
+	}
+
+	if (txmsg_drop)
+		options->drop_expected = true;
+
+	if (test == PING_PONG)
+		err = forever_ping_pong(options->rate, options);
+	else if (test == SENDMSG) {
+		options->base = false;
+		options->sendpage = false;
+		err = sendmsg_test(options);
+	} else if (test == SENDPAGE) {
+		options->base = false;
+		options->sendpage = true;
+		err = sendmsg_test(options);
+	} else if (test == BASE) {
+		options->base = true;
+		options->sendpage = false;
+		err = sendmsg_test(options);
+	} else if (test == BASE_SENDPAGE) {
+		options->base = true;
+		options->sendpage = true;
+		err = sendmsg_test(options);
+	} else
+		fprintf(stderr, "unknown test\n");
+out:
+	/* Detatch and zero all the maps */
+	bpf_prog_detach2(prog_fd[3], cg_fd, BPF_CGROUP_SOCK_OPS);
+	bpf_prog_detach2(prog_fd[0], map_fd[0], BPF_SK_SKB_STREAM_PARSER);
+	bpf_prog_detach2(prog_fd[1], map_fd[0], BPF_SK_SKB_STREAM_VERDICT);
+	bpf_prog_detach2(prog_fd[0], map_fd[8], BPF_SK_SKB_STREAM_PARSER);
+	bpf_prog_detach2(prog_fd[2], map_fd[8], BPF_SK_SKB_STREAM_VERDICT);
+
+	if (tx_prog_fd >= 0)
+		bpf_prog_detach2(tx_prog_fd, map_fd[1], BPF_SK_MSG_VERDICT);
+
+	for (i = 0; i < 8; i++) {
+		key = next_key = 0;
+		bpf_map_update_elem(map_fd[i], &key, &zero, BPF_ANY);
+		while (bpf_map_get_next_key(map_fd[i], &key, &next_key) == 0) {
+			bpf_map_update_elem(map_fd[i], &key, &zero, BPF_ANY);
+			key = next_key;
+		}
+	}
+
+	close(s1);
+	close(s2);
+	close(p1);
+	close(p2);
+	close(c1);
+	close(c2);
+	return err;
+}
+
+static char *test_to_str(int test)
+{
+	switch (test) {
+	case SENDMSG:
+		return "sendmsg";
+	case SENDPAGE:
+		return "sendpage";
+	}
+	return "unknown";
+}
+
+static void append_str(char *dst, const char *src, size_t dst_cap)
+{
+	size_t avail = dst_cap - strlen(dst);
+
+	if (avail <= 1) /* just zero byte could be written */
+		return;
+
+	strncat(dst, src, avail - 1); /* strncat() adds + 1 for zero byte */
+}
+
+#define OPTSTRING 60
+static void test_options(char *options)
+{
+	char tstr[OPTSTRING];
+
+	memset(options, 0, OPTSTRING);
+
+	if (txmsg_pass)
+		append_str(options, "pass,", OPTSTRING);
+	if (txmsg_redir)
+		append_str(options, "redir,", OPTSTRING);
+	if (txmsg_drop)
+		append_str(options, "drop,", OPTSTRING);
+	if (txmsg_apply) {
+		snprintf(tstr, OPTSTRING, "apply %d,", txmsg_apply);
+		append_str(options, tstr, OPTSTRING);
+	}
+	if (txmsg_cork) {
+		snprintf(tstr, OPTSTRING, "cork %d,", txmsg_cork);
+		append_str(options, tstr, OPTSTRING);
+	}
+	if (txmsg_start) {
+		snprintf(tstr, OPTSTRING, "start %d,", txmsg_start);
+		append_str(options, tstr, OPTSTRING);
+	}
+	if (txmsg_end) {
+		snprintf(tstr, OPTSTRING, "end %d,", txmsg_end);
+		append_str(options, tstr, OPTSTRING);
+	}
+	if (txmsg_start_pop) {
+		snprintf(tstr, OPTSTRING, "pop (%d,%d),",
+			 txmsg_start_pop, txmsg_start_pop + txmsg_pop);
+		append_str(options, tstr, OPTSTRING);
+	}
+	if (txmsg_ingress)
+		append_str(options, "ingress,", OPTSTRING);
+	if (txmsg_redir_skb)
+		append_str(options, "redir_skb,", OPTSTRING);
+	if (txmsg_ktls_skb)
+		append_str(options, "ktls_skb,", OPTSTRING);
+	if (ktls)
+		append_str(options, "ktls,", OPTSTRING);
+	if (peek_flag)
+		append_str(options, "peek,", OPTSTRING);
+}
+
+static int __test_exec(int cgrp, int test, struct sockmap_options *opt)
+{
+	char *options = calloc(OPTSTRING, sizeof(char));
+	int err;
+
+	if (test == SENDPAGE)
+		opt->sendpage = true;
+	else
+		opt->sendpage = false;
+
+	if (txmsg_drop)
+		opt->drop_expected = true;
+	else
+		opt->drop_expected = false;
+
+	test_options(options);
+
+	if (opt->verbose) {
+		fprintf(stdout,
+			" [TEST %i]: (%i, %i, %i, %s, %s): ",
+			test_cnt, opt->rate, opt->iov_count, opt->iov_length,
+			test_to_str(test), options);
+		fflush(stdout);
+	}
+	err = run_options(opt, cgrp, test);
+	if (opt->verbose)
+		fprintf(stdout, " %s\n", !err ? "PASS" : "FAILED");
+	test_cnt++;
+	!err ? passed++ : failed++;
+	free(options);
+	return err;
+}
+
+static void test_exec(int cgrp, struct sockmap_options *opt)
+{
+	int type = strcmp(opt->map, BPF_SOCKMAP_FILENAME);
+	int err;
+
+	if (type == 0) {
+		test_start();
+		err = __test_exec(cgrp, SENDMSG, opt);
+		if (err)
+			test_fail();
+	} else {
+		test_start();
+		err = __test_exec(cgrp, SENDPAGE, opt);
+		if (err)
+			test_fail();
+	}
+}
+
+static void test_send_one(struct sockmap_options *opt, int cgrp)
+{
+	opt->iov_length = 1;
+	opt->iov_count = 1;
+	opt->rate = 1;
+	test_exec(cgrp, opt);
+
+	opt->iov_length = 1;
+	opt->iov_count = 1024;
+	opt->rate = 1;
+	test_exec(cgrp, opt);
+
+	opt->iov_length = 1024;
+	opt->iov_count = 1;
+	opt->rate = 1;
+	test_exec(cgrp, opt);
+
+}
+
+static void test_send_many(struct sockmap_options *opt, int cgrp)
+{
+	opt->iov_length = 3;
+	opt->iov_count = 1;
+	opt->rate = 512;
+	test_exec(cgrp, opt);
+
+	opt->rate = 100;
+	opt->iov_count = 1;
+	opt->iov_length = 5;
+	test_exec(cgrp, opt);
+}
+
+static void test_send_large(struct sockmap_options *opt, int cgrp)
+{
+	opt->iov_length = 256;
+	opt->iov_count = 1024;
+	opt->rate = 2;
+	test_exec(cgrp, opt);
+}
+
+static void test_send(struct sockmap_options *opt, int cgrp)
+{
+	test_send_one(opt, cgrp);
+	test_send_many(opt, cgrp);
+	test_send_large(opt, cgrp);
+	sched_yield();
+}
+
+static void test_txmsg_pass(int cgrp, struct sockmap_options *opt)
+{
+	/* Test small and large iov_count values with pass/redir/apply/cork */
+	txmsg_pass = 1;
+	test_send(opt, cgrp);
+}
+
+static void test_txmsg_redir(int cgrp, struct sockmap_options *opt)
+{
+	txmsg_redir = 1;
+	test_send(opt, cgrp);
+}
+
+static void test_txmsg_redir_wait_sndmem(int cgrp, struct sockmap_options *opt)
+{
+	txmsg_redir = 1;
+	opt->tx_wait_mem = true;
+	test_send_large(opt, cgrp);
+	opt->tx_wait_mem = false;
+}
+
+static void test_txmsg_drop(int cgrp, struct sockmap_options *opt)
+{
+	txmsg_drop = 1;
+	test_send(opt, cgrp);
+}
+
+static void test_txmsg_ingress_redir(int cgrp, struct sockmap_options *opt)
+{
+	txmsg_pass = txmsg_drop = 0;
+	txmsg_ingress = txmsg_redir = 1;
+	test_send(opt, cgrp);
+}
+
+static void test_txmsg_skb(int cgrp, struct sockmap_options *opt)
+{
+	bool data = opt->data_test;
+	int k = ktls;
+
+	opt->data_test = true;
+	ktls = 1;
+
+	txmsg_pass = txmsg_drop = 0;
+	txmsg_ingress = txmsg_redir = 0;
+	txmsg_ktls_skb = 1;
+	txmsg_pass = 1;
+
+	/* Using data verification so ensure iov layout is
+	 * expected from test receiver side. e.g. has enough
+	 * bytes to write test code.
+	 */
+	opt->iov_length = 100;
+	opt->iov_count = 1;
+	opt->rate = 1;
+	test_exec(cgrp, opt);
+
+	txmsg_ktls_skb_drop = 1;
+	test_exec(cgrp, opt);
+
+	txmsg_ktls_skb_drop = 0;
+	txmsg_ktls_skb_redir = 1;
+	test_exec(cgrp, opt);
+	txmsg_ktls_skb_redir = 0;
+
+	/* Tests that omit skb_parser */
+	txmsg_omit_skb_parser = 1;
+	ktls = 0;
+	txmsg_ktls_skb = 0;
+	test_exec(cgrp, opt);
+
+	txmsg_ktls_skb_drop = 1;
+	test_exec(cgrp, opt);
+	txmsg_ktls_skb_drop = 0;
+
+	txmsg_ktls_skb_redir = 1;
+	test_exec(cgrp, opt);
+
+	ktls = 1;
+	test_exec(cgrp, opt);
+	txmsg_omit_skb_parser = 0;
+
+	opt->data_test = data;
+	ktls = k;
+}
+
+/* Test cork with hung data. This tests poor usage patterns where
+ * cork can leave data on the ring if user program is buggy and
+ * doesn't flush them somehow. They do take some time however
+ * because they wait for a timeout. Test pass, redir and cork with
+ * apply logic. Use cork size of 4097 with send_large to avoid
+ * aligning cork size with send size.
+ */
+static void test_txmsg_cork_hangs(int cgrp, struct sockmap_options *opt)
+{
+	txmsg_pass = 1;
+	txmsg_redir = 0;
+	txmsg_cork = 4097;
+	txmsg_apply = 4097;
+	test_send_large(opt, cgrp);
+
+	txmsg_pass = 0;
+	txmsg_redir = 1;
+	txmsg_apply = 0;
+	txmsg_cork = 4097;
+	test_send_large(opt, cgrp);
+
+	txmsg_pass = 0;
+	txmsg_redir = 1;
+	txmsg_apply = 4097;
+	txmsg_cork = 4097;
+	test_send_large(opt, cgrp);
+}
+
+static void test_txmsg_pull(int cgrp, struct sockmap_options *opt)
+{
+	/* Test basic start/end */
+	txmsg_start = 1;
+	txmsg_end = 2;
+	test_send(opt, cgrp);
+
+	/* Test >4k pull */
+	txmsg_start = 4096;
+	txmsg_end = 9182;
+	test_send_large(opt, cgrp);
+
+	/* Test pull + redirect */
+	txmsg_redir = 0;
+	txmsg_start = 1;
+	txmsg_end = 2;
+	test_send(opt, cgrp);
+
+	/* Test pull + cork */
+	txmsg_redir = 0;
+	txmsg_cork = 512;
+	txmsg_start = 1;
+	txmsg_end = 2;
+	test_send_many(opt, cgrp);
+
+	/* Test pull + cork + redirect */
+	txmsg_redir = 1;
+	txmsg_cork = 512;
+	txmsg_start = 1;
+	txmsg_end = 2;
+	test_send_many(opt, cgrp);
+}
+
+static void test_txmsg_pop(int cgrp, struct sockmap_options *opt)
+{
+	/* Test basic pop */
+	txmsg_start_pop = 1;
+	txmsg_pop = 2;
+	test_send_many(opt, cgrp);
+
+	/* Test pop with >4k */
+	txmsg_start_pop = 4096;
+	txmsg_pop = 4096;
+	test_send_large(opt, cgrp);
+
+	/* Test pop + redirect */
+	txmsg_redir = 1;
+	txmsg_start_pop = 1;
+	txmsg_pop = 2;
+	test_send_many(opt, cgrp);
+
+	/* Test pop + cork */
+	txmsg_redir = 0;
+	txmsg_cork = 512;
+	txmsg_start_pop = 1;
+	txmsg_pop = 2;
+	test_send_many(opt, cgrp);
+
+	/* Test pop + redirect + cork */
+	txmsg_redir = 1;
+	txmsg_cork = 4;
+	txmsg_start_pop = 1;
+	txmsg_pop = 2;
+	test_send_many(opt, cgrp);
+}
+
+static void test_txmsg_push(int cgrp, struct sockmap_options *opt)
+{
+	/* Test basic push */
+	txmsg_start_push = 1;
+	txmsg_end_push = 1;
+	test_send(opt, cgrp);
+
+	/* Test push 4kB >4k */
+	txmsg_start_push = 4096;
+	txmsg_end_push = 4096;
+	test_send_large(opt, cgrp);
+
+	/* Test push + redirect */
+	txmsg_redir = 1;
+	txmsg_start_push = 1;
+	txmsg_end_push = 2;
+	test_send_many(opt, cgrp);
+
+	/* Test push + cork */
+	txmsg_redir = 0;
+	txmsg_cork = 512;
+	txmsg_start_push = 1;
+	txmsg_end_push = 2;
+	test_send_many(opt, cgrp);
+}
+
+static void test_txmsg_push_pop(int cgrp, struct sockmap_options *opt)
+{
+	txmsg_start_push = 1;
+	txmsg_end_push = 10;
+	txmsg_start_pop = 5;
+	txmsg_pop = 4;
+	test_send_large(opt, cgrp);
+}
+
+static void test_txmsg_apply(int cgrp, struct sockmap_options *opt)
+{
+	txmsg_pass = 1;
+	txmsg_redir = 0;
+	txmsg_apply = 1;
+	txmsg_cork = 0;
+	test_send_one(opt, cgrp);
+
+	txmsg_pass = 0;
+	txmsg_redir = 1;
+	txmsg_apply = 1;
+	txmsg_cork = 0;
+	test_send_one(opt, cgrp);
+
+	txmsg_pass = 1;
+	txmsg_redir = 0;
+	txmsg_apply = 1024;
+	txmsg_cork = 0;
+	test_send_large(opt, cgrp);
+
+	txmsg_pass = 0;
+	txmsg_redir = 1;
+	txmsg_apply = 1024;
+	txmsg_cork = 0;
+	test_send_large(opt, cgrp);
+}
+
+static void test_txmsg_cork(int cgrp, struct sockmap_options *opt)
+{
+	txmsg_pass = 1;
+	txmsg_redir = 0;
+	txmsg_apply = 0;
+	txmsg_cork = 1;
+	test_send(opt, cgrp);
+
+	txmsg_pass = 1;
+	txmsg_redir = 0;
+	txmsg_apply = 1;
+	txmsg_cork = 1;
+	test_send(opt, cgrp);
+}
+
+static void test_txmsg_ingress_parser(int cgrp, struct sockmap_options *opt)
+{
+	txmsg_pass = 1;
+	skb_use_parser = 512;
+	if (ktls == 1)
+		skb_use_parser = 570;
+	opt->iov_length = 256;
+	opt->iov_count = 1;
+	opt->rate = 2;
+	test_exec(cgrp, opt);
+}
+
+static void test_txmsg_ingress_parser2(int cgrp, struct sockmap_options *opt)
+{
+	if (ktls == 1)
+		return;
+	skb_use_parser = 10;
+	opt->iov_length = 20;
+	opt->iov_count = 1;
+	opt->rate = 1;
+	opt->check_recved_len = true;
+	test_exec(cgrp, opt);
+	opt->check_recved_len = false;
+}
+
+char *map_names[] = {
+	"sock_map",
+	"sock_map_txmsg",
+	"sock_map_redir",
+	"sock_apply_bytes",
+	"sock_cork_bytes",
+	"sock_bytes",
+	"sock_redir_flags",
+	"sock_skb_opts",
+	"tls_sock_map",
+};
+
+int prog_attach_type[] = {
+	BPF_SK_SKB_STREAM_PARSER,
+	BPF_SK_SKB_STREAM_VERDICT,
+	BPF_SK_SKB_STREAM_VERDICT,
+	BPF_CGROUP_SOCK_OPS,
+	BPF_SK_MSG_VERDICT,
+	BPF_SK_MSG_VERDICT,
+	BPF_SK_MSG_VERDICT,
+	BPF_SK_MSG_VERDICT,
+	BPF_SK_MSG_VERDICT,
+	BPF_SK_MSG_VERDICT,
+	BPF_SK_MSG_VERDICT,
+};
+
+int prog_type[] = {
+	BPF_PROG_TYPE_SK_SKB,
+	BPF_PROG_TYPE_SK_SKB,
+	BPF_PROG_TYPE_SK_SKB,
+	BPF_PROG_TYPE_SOCK_OPS,
+	BPF_PROG_TYPE_SK_MSG,
+	BPF_PROG_TYPE_SK_MSG,
+	BPF_PROG_TYPE_SK_MSG,
+	BPF_PROG_TYPE_SK_MSG,
+	BPF_PROG_TYPE_SK_MSG,
+	BPF_PROG_TYPE_SK_MSG,
+	BPF_PROG_TYPE_SK_MSG,
+};
+
+static int populate_progs(char *bpf_file)
+{
+	struct bpf_program *prog;
+	struct bpf_object *obj;
+	int i = 0;
+	long err;
+
+	obj = bpf_object__open(bpf_file);
+	err = libbpf_get_error(obj);
+	if (err) {
+		char err_buf[256];
+
+		libbpf_strerror(err, err_buf, sizeof(err_buf));
+		printf("Unable to load eBPF objects in file '%s' : %s\n",
+		       bpf_file, err_buf);
+		return -1;
+	}
+
+	bpf_object__for_each_program(prog, obj) {
+		bpf_program__set_type(prog, prog_type[i]);
+		bpf_program__set_expected_attach_type(prog,
+						      prog_attach_type[i]);
+		i++;
+	}
+
+	i = bpf_object__load(obj);
+	i = 0;
+	bpf_object__for_each_program(prog, obj) {
+		prog_fd[i] = bpf_program__fd(prog);
+		i++;
+	}
+
+	for (i = 0; i < ARRAY_SIZE(map_fd); i++) {
+		maps[i] = bpf_object__find_map_by_name(obj, map_names[i]);
+		map_fd[i] = bpf_map__fd(maps[i]);
+		if (map_fd[i] < 0) {
+			fprintf(stderr, "load_bpf_file: (%i) %s\n",
+				map_fd[i], strerror(errno));
+			return -1;
+		}
+	}
+
+	return 0;
+}
+
+struct _test test[] = {
+	{"txmsg test passthrough", test_txmsg_pass},
+	{"txmsg test redirect", test_txmsg_redir},
+	{"txmsg test redirect wait send mem", test_txmsg_redir_wait_sndmem},
+	{"txmsg test drop", test_txmsg_drop},
+	{"txmsg test ingress redirect", test_txmsg_ingress_redir},
+	{"txmsg test skb", test_txmsg_skb},
+	{"txmsg test apply", test_txmsg_apply},
+	{"txmsg test cork", test_txmsg_cork},
+	{"txmsg test hanging corks", test_txmsg_cork_hangs},
+	{"txmsg test push_data", test_txmsg_push},
+	{"txmsg test pull-data", test_txmsg_pull},
+	{"txmsg test pop-data", test_txmsg_pop},
+	{"txmsg test push/pop data", test_txmsg_push_pop},
+	{"txmsg test ingress parser", test_txmsg_ingress_parser},
+	{"txmsg test ingress parser2", test_txmsg_ingress_parser2},
+};
+
+static int check_whitelist(struct _test *t, struct sockmap_options *opt)
+{
+	char *entry, *ptr;
+
+	if (!opt->whitelist)
+		return 0;
+	ptr = strdup(opt->whitelist);
+	if (!ptr)
+		return -ENOMEM;
+	entry = strtok(ptr, ",");
+	while (entry) {
+		if ((opt->prepend && strstr(opt->prepend, entry) != 0) ||
+		    strstr(opt->map, entry) != 0 ||
+		    strstr(t->title, entry) != 0)
+			return 0;
+		entry = strtok(NULL, ",");
+	}
+	return -EINVAL;
+}
+
+static int check_blacklist(struct _test *t, struct sockmap_options *opt)
+{
+	char *entry, *ptr;
+
+	if (!opt->blacklist)
+		return -EINVAL;
+	ptr = strdup(opt->blacklist);
+	if (!ptr)
+		return -ENOMEM;
+	entry = strtok(ptr, ",");
+	while (entry) {
+		if ((opt->prepend && strstr(opt->prepend, entry) != 0) ||
+		    strstr(opt->map, entry) != 0 ||
+		    strstr(t->title, entry) != 0)
+			return 0;
+		entry = strtok(NULL, ",");
+	}
+	return -EINVAL;
+}
+
+static int __test_selftests(int cg_fd, struct sockmap_options *opt)
+{
+	int i, err;
+
+	err = populate_progs(opt->map);
+	if (err < 0) {
+		fprintf(stderr, "ERROR: (%i) load bpf failed\n", err);
+		return err;
+	}
+
+	/* Tests basic commands and APIs */
+	for (i = 0; i < ARRAY_SIZE(test); i++) {
+		struct _test t = test[i];
+
+		if (check_whitelist(&t, opt) != 0)
+			continue;
+		if (check_blacklist(&t, opt) == 0)
+			continue;
+
+		test_start_subtest(&t, opt);
+		t.tester(cg_fd, opt);
+		test_end_subtest();
+	}
+
+	return err;
+}
+
+static void test_selftests_sockmap(int cg_fd, struct sockmap_options *opt)
+{
+	opt->map = BPF_SOCKMAP_FILENAME;
+	__test_selftests(cg_fd, opt);
+}
+
+static void test_selftests_sockhash(int cg_fd, struct sockmap_options *opt)
+{
+	opt->map = BPF_SOCKHASH_FILENAME;
+	__test_selftests(cg_fd, opt);
+}
+
+static void test_selftests_ktls(int cg_fd, struct sockmap_options *opt)
+{
+	opt->map = BPF_SOCKHASH_FILENAME;
+	opt->prepend = "ktls";
+	ktls = 1;
+	__test_selftests(cg_fd, opt);
+	ktls = 0;
+}
+
+static int test_selftest(int cg_fd, struct sockmap_options *opt)
+{
+
+	test_selftests_sockmap(cg_fd, opt);
+	test_selftests_sockhash(cg_fd, opt);
+	test_selftests_ktls(cg_fd, opt);
+	test_print_results();
+	return 0;
+}
+
+int main(int argc, char **argv)
+{
+	int iov_count = 1, length = 1024, rate = 1;
+	struct sockmap_options options = {0};
+	int opt, longindex, err, cg_fd = 0;
+	char *bpf_file = BPF_SOCKMAP_FILENAME;
+	int test = SELFTESTS;
+	bool cg_created = 0;
+
+	while ((opt = getopt_long(argc, argv, ":dhv:c:r:i:l:t:p:q:n:b:",
+				  long_options, &longindex)) != -1) {
+		switch (opt) {
+		case 's':
+			txmsg_start = atoi(optarg);
+			break;
+		case 'e':
+			txmsg_end = atoi(optarg);
+			break;
+		case 'p':
+			txmsg_start_push = atoi(optarg);
+			break;
+		case 'q':
+			txmsg_end_push = atoi(optarg);
+			break;
+		case 'w':
+			txmsg_start_pop = atoi(optarg);
+			break;
+		case 'x':
+			txmsg_pop = atoi(optarg);
+			break;
+		case 'a':
+			txmsg_apply = atoi(optarg);
+			break;
+		case 'k':
+			txmsg_cork = atoi(optarg);
+			break;
+		case 'c':
+			cg_fd = open(optarg, O_DIRECTORY, O_RDONLY);
+			if (cg_fd < 0) {
+				fprintf(stderr,
+					"ERROR: (%i) open cg path failed: %s\n",
+					cg_fd, optarg);
+				return cg_fd;
+			}
+			break;
+		case 'r':
+			rate = atoi(optarg);
+			break;
+		case 'v':
+			options.verbose = 1;
+			if (optarg)
+				options.verbose = atoi(optarg);
+			break;
+		case 'i':
+			iov_count = atoi(optarg);
+			break;
+		case 'l':
+			length = atoi(optarg);
+			break;
+		case 'd':
+			options.data_test = true;
+			break;
+		case 't':
+			if (strcmp(optarg, "ping") == 0) {
+				test = PING_PONG;
+			} else if (strcmp(optarg, "sendmsg") == 0) {
+				test = SENDMSG;
+			} else if (strcmp(optarg, "base") == 0) {
+				test = BASE;
+			} else if (strcmp(optarg, "base_sendpage") == 0) {
+				test = BASE_SENDPAGE;
+			} else if (strcmp(optarg, "sendpage") == 0) {
+				test = SENDPAGE;
+			} else {
+				usage(argv);
+				return -1;
+			}
+			break;
+		case 'n':
+			options.whitelist = strdup(optarg);
+			if (!options.whitelist)
+				return -ENOMEM;
+			break;
+		case 'b':
+			options.blacklist = strdup(optarg);
+			if (!options.blacklist)
+				return -ENOMEM;
+		case 0:
+			break;
+		case 'h':
+		default:
+			usage(argv);
+			return -1;
+		}
+	}
+
+	if (!cg_fd) {
+		cg_fd = cgroup_setup_and_join(CG_PATH);
+		if (cg_fd < 0)
+			return cg_fd;
+		cg_created = 1;
+	}
+
+	/* Use libbpf 1.0 API mode */
+	libbpf_set_strict_mode(LIBBPF_STRICT_ALL);
+
+	if (test == SELFTESTS) {
+		err = test_selftest(cg_fd, &options);
+		goto out;
+	}
+
+	err = populate_progs(bpf_file);
+	if (err) {
+		fprintf(stderr, "populate program: (%s) %s\n",
+			bpf_file, strerror(errno));
+		return 1;
+	}
+	running = 1;
+
+	/* catch SIGINT */
+	signal(SIGINT, running_handler);
+
+	options.iov_count = iov_count;
+	options.iov_length = length;
+	options.rate = rate;
+
+	err = run_options(&options, cg_fd, test);
+out:
+	if (options.whitelist)
+		free(options.whitelist);
+	if (options.blacklist)
+		free(options.blacklist);
+	if (cg_created)
+		cleanup_cgroup_environment();
+	close(cg_fd);
+	return err;
+}
+
+void running_handler(int a)
+{
+	running = 0;
+}
diff --git a/tools/testing/selftests/bpf/test_sysctl.c b/tools/testing/selftests/bpf/test_sysctl.c
new file mode 100644
index 000000000..bcdbd27f2
--- /dev/null
+++ b/tools/testing/selftests/bpf/test_sysctl.c
@@ -0,0 +1,1633 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (c) 2019 Facebook
+
+#include <fcntl.h>
+#include <stdint.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+#include <linux/filter.h>
+
+#include <bpf/bpf.h>
+#include <bpf/libbpf.h>
+
+#include <bpf/bpf_endian.h>
+#include "bpf_util.h"
+#include "cgroup_helpers.h"
+#include "testing_helpers.h"
+
+#define CG_PATH			"/foo"
+#define MAX_INSNS		512
+#define FIXUP_SYSCTL_VALUE	0
+
+char bpf_log_buf[BPF_LOG_BUF_SIZE];
+
+struct sysctl_test {
+	const char *descr;
+	size_t fixup_value_insn;
+	struct bpf_insn	insns[MAX_INSNS];
+	const char *prog_file;
+	enum bpf_attach_type attach_type;
+	const char *sysctl;
+	int open_flags;
+	int seek;
+	const char *newval;
+	const char *oldval;
+	enum {
+		LOAD_REJECT,
+		ATTACH_REJECT,
+		OP_EPERM,
+		SUCCESS,
+	} result;
+};
+
+static struct sysctl_test tests[] = {
+	{
+		.descr = "sysctl wrong attach_type",
+		.insns = {
+			BPF_MOV64_IMM(BPF_REG_0, 1),
+			BPF_EXIT_INSN(),
+		},
+		.attach_type = 0,
+		.sysctl = "kernel/ostype",
+		.open_flags = O_RDONLY,
+		.result = ATTACH_REJECT,
+	},
+	{
+		.descr = "sysctl:read allow all",
+		.insns = {
+			BPF_MOV64_IMM(BPF_REG_0, 1),
+			BPF_EXIT_INSN(),
+		},
+		.attach_type = BPF_CGROUP_SYSCTL,
+		.sysctl = "kernel/ostype",
+		.open_flags = O_RDONLY,
+		.result = SUCCESS,
+	},
+	{
+		.descr = "sysctl:read deny all",
+		.insns = {
+			BPF_MOV64_IMM(BPF_REG_0, 0),
+			BPF_EXIT_INSN(),
+		},
+		.attach_type = BPF_CGROUP_SYSCTL,
+		.sysctl = "kernel/ostype",
+		.open_flags = O_RDONLY,
+		.result = OP_EPERM,
+	},
+	{
+		.descr = "ctx:write sysctl:read read ok",
+		.insns = {
+			/* If (write) */
+			BPF_LDX_MEM(BPF_W, BPF_REG_7, BPF_REG_1,
+				    offsetof(struct bpf_sysctl, write)),
+			BPF_JMP_IMM(BPF_JNE, BPF_REG_7, 1, 2),
+
+			/* return DENY; */
+			BPF_MOV64_IMM(BPF_REG_0, 0),
+			BPF_JMP_A(1),
+
+			/* else return ALLOW; */
+			BPF_MOV64_IMM(BPF_REG_0, 1),
+			BPF_EXIT_INSN(),
+		},
+		.attach_type = BPF_CGROUP_SYSCTL,
+		.sysctl = "kernel/ostype",
+		.open_flags = O_RDONLY,
+		.result = SUCCESS,
+	},
+	{
+		.descr = "ctx:write sysctl:write read ok",
+		.insns = {
+			/* If (write) */
+			BPF_LDX_MEM(BPF_W, BPF_REG_7, BPF_REG_1,
+				    offsetof(struct bpf_sysctl, write)),
+			BPF_JMP_IMM(BPF_JNE, BPF_REG_7, 1, 2),
+
+			/* return DENY; */
+			BPF_MOV64_IMM(BPF_REG_0, 0),
+			BPF_JMP_A(1),
+
+			/* else return ALLOW; */
+			BPF_MOV64_IMM(BPF_REG_0, 1),
+			BPF_EXIT_INSN(),
+		},
+		.attach_type = BPF_CGROUP_SYSCTL,
+		.sysctl = "kernel/domainname",
+		.open_flags = O_WRONLY,
+		.newval = "(none)", /* same as default, should fail anyway */
+		.result = OP_EPERM,
+	},
+	{
+		.descr = "ctx:write sysctl:write read ok narrow",
+		.insns = {
+			/* u64 w = (u16)write & 1; */
+#if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
+			BPF_LDX_MEM(BPF_H, BPF_REG_7, BPF_REG_1,
+				    offsetof(struct bpf_sysctl, write)),
+#else
+			BPF_LDX_MEM(BPF_H, BPF_REG_7, BPF_REG_1,
+				    offsetof(struct bpf_sysctl, write) + 2),
+#endif
+			BPF_ALU64_IMM(BPF_AND, BPF_REG_7, 1),
+			/* return 1 - w; */
+			BPF_MOV64_IMM(BPF_REG_0, 1),
+			BPF_ALU64_REG(BPF_SUB, BPF_REG_0, BPF_REG_7),
+			BPF_EXIT_INSN(),
+		},
+		.attach_type = BPF_CGROUP_SYSCTL,
+		.sysctl = "kernel/domainname",
+		.open_flags = O_WRONLY,
+		.newval = "(none)", /* same as default, should fail anyway */
+		.result = OP_EPERM,
+	},
+	{
+		.descr = "ctx:write sysctl:read write reject",
+		.insns = {
+			/* write = X */
+			BPF_MOV64_IMM(BPF_REG_0, 0),
+			BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_0,
+				    offsetof(struct bpf_sysctl, write)),
+			BPF_MOV64_IMM(BPF_REG_0, 1),
+			BPF_EXIT_INSN(),
+		},
+		.attach_type = BPF_CGROUP_SYSCTL,
+		.sysctl = "kernel/ostype",
+		.open_flags = O_RDONLY,
+		.result = LOAD_REJECT,
+	},
+	{
+		.descr = "ctx:file_pos sysctl:read read ok",
+		.insns = {
+			/* If (file_pos == X) */
+			BPF_LDX_MEM(BPF_W, BPF_REG_7, BPF_REG_1,
+				    offsetof(struct bpf_sysctl, file_pos)),
+			BPF_JMP_IMM(BPF_JNE, BPF_REG_7, 3, 2),
+
+			/* return ALLOW; */
+			BPF_MOV64_IMM(BPF_REG_0, 1),
+			BPF_JMP_A(1),
+
+			/* else return DENY; */
+			BPF_MOV64_IMM(BPF_REG_0, 0),
+			BPF_EXIT_INSN(),
+		},
+		.attach_type = BPF_CGROUP_SYSCTL,
+		.sysctl = "kernel/ostype",
+		.open_flags = O_RDONLY,
+		.seek = 3,
+		.result = SUCCESS,
+	},
+	{
+		.descr = "ctx:file_pos sysctl:read read ok narrow",
+		.insns = {
+			/* If (file_pos == X) */
+#if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
+			BPF_LDX_MEM(BPF_B, BPF_REG_7, BPF_REG_1,
+				    offsetof(struct bpf_sysctl, file_pos)),
+#else
+			BPF_LDX_MEM(BPF_B, BPF_REG_7, BPF_REG_1,
+				    offsetof(struct bpf_sysctl, file_pos) + 3),
+#endif
+			BPF_JMP_IMM(BPF_JNE, BPF_REG_7, 4, 2),
+
+			/* return ALLOW; */
+			BPF_MOV64_IMM(BPF_REG_0, 1),
+			BPF_JMP_A(1),
+
+			/* else return DENY; */
+			BPF_MOV64_IMM(BPF_REG_0, 0),
+			BPF_EXIT_INSN(),
+		},
+		.attach_type = BPF_CGROUP_SYSCTL,
+		.sysctl = "kernel/ostype",
+		.open_flags = O_RDONLY,
+		.seek = 4,
+		.result = SUCCESS,
+	},
+	{
+		.descr = "ctx:file_pos sysctl:read write ok",
+		.insns = {
+			/* file_pos = X */
+			BPF_MOV64_IMM(BPF_REG_0, 2),
+			BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_0,
+				    offsetof(struct bpf_sysctl, file_pos)),
+			BPF_MOV64_IMM(BPF_REG_0, 1),
+			BPF_EXIT_INSN(),
+		},
+		.attach_type = BPF_CGROUP_SYSCTL,
+		.sysctl = "kernel/ostype",
+		.open_flags = O_RDONLY,
+		.oldval = "nux\n",
+		.result = SUCCESS,
+	},
+	{
+		.descr = "sysctl_get_name sysctl_value:base ok",
+		.insns = {
+			/* sysctl_get_name arg2 (buf) */
+			BPF_MOV64_REG(BPF_REG_7, BPF_REG_10),
+			BPF_ALU64_IMM(BPF_ADD, BPF_REG_7, -8),
+			BPF_MOV64_IMM(BPF_REG_0, 0),
+			BPF_STX_MEM(BPF_DW, BPF_REG_7, BPF_REG_0, 0),
+
+			BPF_MOV64_REG(BPF_REG_2, BPF_REG_7),
+
+			/* sysctl_get_name arg3 (buf_len) */
+			BPF_MOV64_IMM(BPF_REG_3, 8),
+
+			/* sysctl_get_name arg4 (flags) */
+			BPF_MOV64_IMM(BPF_REG_4, BPF_F_SYSCTL_BASE_NAME),
+
+			/* sysctl_get_name(ctx, buf, buf_len, flags) */
+			BPF_EMIT_CALL(BPF_FUNC_sysctl_get_name),
+
+			/* if (ret == expected && */
+			BPF_JMP_IMM(BPF_JNE, BPF_REG_0, sizeof("tcp_mem") - 1, 6),
+			/*     buf == "tcp_mem\0") */
+			BPF_LD_IMM64(BPF_REG_8,
+				     bpf_be64_to_cpu(0x7463705f6d656d00ULL)),
+			BPF_LDX_MEM(BPF_DW, BPF_REG_9, BPF_REG_7, 0),
+			BPF_JMP_REG(BPF_JNE, BPF_REG_8, BPF_REG_9, 2),
+
+			/* return ALLOW; */
+			BPF_MOV64_IMM(BPF_REG_0, 1),
+			BPF_JMP_A(1),
+
+			/* else return DENY; */
+			BPF_MOV64_IMM(BPF_REG_0, 0),
+			BPF_EXIT_INSN(),
+		},
+		.attach_type = BPF_CGROUP_SYSCTL,
+		.sysctl = "net/ipv4/tcp_mem",
+		.open_flags = O_RDONLY,
+		.result = SUCCESS,
+	},
+	{
+		.descr = "sysctl_get_name sysctl_value:base E2BIG truncated",
+		.insns = {
+			/* sysctl_get_name arg2 (buf) */
+			BPF_MOV64_REG(BPF_REG_7, BPF_REG_10),
+			BPF_ALU64_IMM(BPF_ADD, BPF_REG_7, -8),
+			BPF_MOV64_IMM(BPF_REG_0, 0),
+			BPF_STX_MEM(BPF_DW, BPF_REG_7, BPF_REG_0, 0),
+
+			BPF_MOV64_REG(BPF_REG_2, BPF_REG_7),
+
+			/* sysctl_get_name arg3 (buf_len) too small */
+			BPF_MOV64_IMM(BPF_REG_3, 7),
+
+			/* sysctl_get_name arg4 (flags) */
+			BPF_MOV64_IMM(BPF_REG_4, BPF_F_SYSCTL_BASE_NAME),
+
+			/* sysctl_get_name(ctx, buf, buf_len, flags) */
+			BPF_EMIT_CALL(BPF_FUNC_sysctl_get_name),
+
+			/* if (ret == expected && */
+			BPF_JMP_IMM(BPF_JNE, BPF_REG_0, -E2BIG, 6),
+
+			/*     buf[0:7] == "tcp_me\0") */
+			BPF_LD_IMM64(BPF_REG_8,
+				     bpf_be64_to_cpu(0x7463705f6d650000ULL)),
+			BPF_LDX_MEM(BPF_DW, BPF_REG_9, BPF_REG_7, 0),
+			BPF_JMP_REG(BPF_JNE, BPF_REG_8, BPF_REG_9, 2),
+
+			/* return ALLOW; */
+			BPF_MOV64_IMM(BPF_REG_0, 1),
+			BPF_JMP_A(1),
+
+			/* else return DENY; */
+			BPF_MOV64_IMM(BPF_REG_0, 0),
+			BPF_EXIT_INSN(),
+		},
+		.attach_type = BPF_CGROUP_SYSCTL,
+		.sysctl = "net/ipv4/tcp_mem",
+		.open_flags = O_RDONLY,
+		.result = SUCCESS,
+	},
+	{
+		.descr = "sysctl_get_name sysctl:full ok",
+		.insns = {
+			/* sysctl_get_name arg2 (buf) */
+			BPF_MOV64_REG(BPF_REG_7, BPF_REG_10),
+			BPF_ALU64_IMM(BPF_ADD, BPF_REG_7, -24),
+			BPF_MOV64_IMM(BPF_REG_0, 0),
+			BPF_STX_MEM(BPF_DW, BPF_REG_7, BPF_REG_0, 0),
+			BPF_STX_MEM(BPF_DW, BPF_REG_7, BPF_REG_0, 8),
+			BPF_STX_MEM(BPF_DW, BPF_REG_7, BPF_REG_0, 16),
+
+			BPF_MOV64_REG(BPF_REG_2, BPF_REG_7),
+
+			/* sysctl_get_name arg3 (buf_len) */
+			BPF_MOV64_IMM(BPF_REG_3, 17),
+
+			/* sysctl_get_name arg4 (flags) */
+			BPF_MOV64_IMM(BPF_REG_4, 0),
+
+			/* sysctl_get_name(ctx, buf, buf_len, flags) */
+			BPF_EMIT_CALL(BPF_FUNC_sysctl_get_name),
+
+			/* if (ret == expected && */
+			BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 16, 14),
+
+			/*     buf[0:8] == "net/ipv4" && */
+			BPF_LD_IMM64(BPF_REG_8,
+				     bpf_be64_to_cpu(0x6e65742f69707634ULL)),
+			BPF_LDX_MEM(BPF_DW, BPF_REG_9, BPF_REG_7, 0),
+			BPF_JMP_REG(BPF_JNE, BPF_REG_8, BPF_REG_9, 10),
+
+			/*     buf[8:16] == "/tcp_mem" && */
+			BPF_LD_IMM64(BPF_REG_8,
+				     bpf_be64_to_cpu(0x2f7463705f6d656dULL)),
+			BPF_LDX_MEM(BPF_DW, BPF_REG_9, BPF_REG_7, 8),
+			BPF_JMP_REG(BPF_JNE, BPF_REG_8, BPF_REG_9, 6),
+
+			/*     buf[16:24] == "\0") */
+			BPF_LD_IMM64(BPF_REG_8, 0x0ULL),
+			BPF_LDX_MEM(BPF_DW, BPF_REG_9, BPF_REG_7, 16),
+			BPF_JMP_REG(BPF_JNE, BPF_REG_8, BPF_REG_9, 2),
+
+			/* return ALLOW; */
+			BPF_MOV64_IMM(BPF_REG_0, 1),
+			BPF_JMP_A(1),
+
+			/* else return DENY; */
+			BPF_MOV64_IMM(BPF_REG_0, 0),
+			BPF_EXIT_INSN(),
+		},
+		.attach_type = BPF_CGROUP_SYSCTL,
+		.sysctl = "net/ipv4/tcp_mem",
+		.open_flags = O_RDONLY,
+		.result = SUCCESS,
+	},
+	{
+		.descr = "sysctl_get_name sysctl:full E2BIG truncated",
+		.insns = {
+			/* sysctl_get_name arg2 (buf) */
+			BPF_MOV64_REG(BPF_REG_7, BPF_REG_10),
+			BPF_ALU64_IMM(BPF_ADD, BPF_REG_7, -16),
+			BPF_MOV64_IMM(BPF_REG_0, 0),
+			BPF_STX_MEM(BPF_DW, BPF_REG_7, BPF_REG_0, 0),
+			BPF_STX_MEM(BPF_DW, BPF_REG_7, BPF_REG_0, 8),
+
+			BPF_MOV64_REG(BPF_REG_2, BPF_REG_7),
+
+			/* sysctl_get_name arg3 (buf_len) */
+			BPF_MOV64_IMM(BPF_REG_3, 16),
+
+			/* sysctl_get_name arg4 (flags) */
+			BPF_MOV64_IMM(BPF_REG_4, 0),
+
+			/* sysctl_get_name(ctx, buf, buf_len, flags) */
+			BPF_EMIT_CALL(BPF_FUNC_sysctl_get_name),
+
+			/* if (ret == expected && */
+			BPF_JMP_IMM(BPF_JNE, BPF_REG_0, -E2BIG, 10),
+
+			/*     buf[0:8] == "net/ipv4" && */
+			BPF_LD_IMM64(BPF_REG_8,
+				     bpf_be64_to_cpu(0x6e65742f69707634ULL)),
+			BPF_LDX_MEM(BPF_DW, BPF_REG_9, BPF_REG_7, 0),
+			BPF_JMP_REG(BPF_JNE, BPF_REG_8, BPF_REG_9, 6),
+
+			/*     buf[8:16] == "/tcp_me\0") */
+			BPF_LD_IMM64(BPF_REG_8,
+				     bpf_be64_to_cpu(0x2f7463705f6d6500ULL)),
+			BPF_LDX_MEM(BPF_DW, BPF_REG_9, BPF_REG_7, 8),
+			BPF_JMP_REG(BPF_JNE, BPF_REG_8, BPF_REG_9, 2),
+
+			/* return ALLOW; */
+			BPF_MOV64_IMM(BPF_REG_0, 1),
+			BPF_JMP_A(1),
+
+			/* else return DENY; */
+			BPF_MOV64_IMM(BPF_REG_0, 0),
+			BPF_EXIT_INSN(),
+		},
+		.attach_type = BPF_CGROUP_SYSCTL,
+		.sysctl = "net/ipv4/tcp_mem",
+		.open_flags = O_RDONLY,
+		.result = SUCCESS,
+	},
+	{
+		.descr = "sysctl_get_name sysctl:full E2BIG truncated small",
+		.insns = {
+			/* sysctl_get_name arg2 (buf) */
+			BPF_MOV64_REG(BPF_REG_7, BPF_REG_10),
+			BPF_ALU64_IMM(BPF_ADD, BPF_REG_7, -8),
+			BPF_MOV64_IMM(BPF_REG_0, 0),
+			BPF_STX_MEM(BPF_DW, BPF_REG_7, BPF_REG_0, 0),
+
+			BPF_MOV64_REG(BPF_REG_2, BPF_REG_7),
+
+			/* sysctl_get_name arg3 (buf_len) */
+			BPF_MOV64_IMM(BPF_REG_3, 7),
+
+			/* sysctl_get_name arg4 (flags) */
+			BPF_MOV64_IMM(BPF_REG_4, 0),
+
+			/* sysctl_get_name(ctx, buf, buf_len, flags) */
+			BPF_EMIT_CALL(BPF_FUNC_sysctl_get_name),
+
+			/* if (ret == expected && */
+			BPF_JMP_IMM(BPF_JNE, BPF_REG_0, -E2BIG, 6),
+
+			/*     buf[0:8] == "net/ip\0") */
+			BPF_LD_IMM64(BPF_REG_8,
+				     bpf_be64_to_cpu(0x6e65742f69700000ULL)),
+			BPF_LDX_MEM(BPF_DW, BPF_REG_9, BPF_REG_7, 0),
+			BPF_JMP_REG(BPF_JNE, BPF_REG_8, BPF_REG_9, 2),
+
+			/* return ALLOW; */
+			BPF_MOV64_IMM(BPF_REG_0, 1),
+			BPF_JMP_A(1),
+
+			/* else return DENY; */
+			BPF_MOV64_IMM(BPF_REG_0, 0),
+			BPF_EXIT_INSN(),
+		},
+		.attach_type = BPF_CGROUP_SYSCTL,
+		.sysctl = "net/ipv4/tcp_mem",
+		.open_flags = O_RDONLY,
+		.result = SUCCESS,
+	},
+	{
+		.descr = "sysctl_get_current_value sysctl:read ok, gt",
+		.insns = {
+			/* sysctl_get_current_value arg2 (buf) */
+			BPF_MOV64_REG(BPF_REG_7, BPF_REG_10),
+			BPF_ALU64_IMM(BPF_ADD, BPF_REG_7, -8),
+			BPF_MOV64_REG(BPF_REG_2, BPF_REG_7),
+
+			/* sysctl_get_current_value arg3 (buf_len) */
+			BPF_MOV64_IMM(BPF_REG_3, 8),
+
+			/* sysctl_get_current_value(ctx, buf, buf_len) */
+			BPF_EMIT_CALL(BPF_FUNC_sysctl_get_current_value),
+
+			/* if (ret == expected && */
+			BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 6, 6),
+
+			/*     buf[0:6] == "Linux\n\0") */
+			BPF_LD_IMM64(BPF_REG_8,
+				     bpf_be64_to_cpu(0x4c696e75780a0000ULL)),
+			BPF_LDX_MEM(BPF_DW, BPF_REG_9, BPF_REG_7, 0),
+			BPF_JMP_REG(BPF_JNE, BPF_REG_8, BPF_REG_9, 2),
+
+			/* return ALLOW; */
+			BPF_MOV64_IMM(BPF_REG_0, 1),
+			BPF_JMP_A(1),
+
+			/* else return DENY; */
+			BPF_MOV64_IMM(BPF_REG_0, 0),
+			BPF_EXIT_INSN(),
+		},
+		.attach_type = BPF_CGROUP_SYSCTL,
+		.sysctl = "kernel/ostype",
+		.open_flags = O_RDONLY,
+		.result = SUCCESS,
+	},
+	{
+		.descr = "sysctl_get_current_value sysctl:read ok, eq",
+		.insns = {
+			/* sysctl_get_current_value arg2 (buf) */
+			BPF_MOV64_REG(BPF_REG_7, BPF_REG_10),
+			BPF_ALU64_IMM(BPF_ADD, BPF_REG_7, -8),
+			BPF_MOV64_IMM(BPF_REG_0, 0),
+			BPF_STX_MEM(BPF_B, BPF_REG_7, BPF_REG_0, 7),
+
+			BPF_MOV64_REG(BPF_REG_2, BPF_REG_7),
+
+			/* sysctl_get_current_value arg3 (buf_len) */
+			BPF_MOV64_IMM(BPF_REG_3, 7),
+
+			/* sysctl_get_current_value(ctx, buf, buf_len) */
+			BPF_EMIT_CALL(BPF_FUNC_sysctl_get_current_value),
+
+			/* if (ret == expected && */
+			BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 6, 6),
+
+			/*     buf[0:6] == "Linux\n\0") */
+			BPF_LD_IMM64(BPF_REG_8,
+				     bpf_be64_to_cpu(0x4c696e75780a0000ULL)),
+			BPF_LDX_MEM(BPF_DW, BPF_REG_9, BPF_REG_7, 0),
+			BPF_JMP_REG(BPF_JNE, BPF_REG_8, BPF_REG_9, 2),
+
+			/* return ALLOW; */
+			BPF_MOV64_IMM(BPF_REG_0, 1),
+			BPF_JMP_A(1),
+
+			/* else return DENY; */
+			BPF_MOV64_IMM(BPF_REG_0, 0),
+			BPF_EXIT_INSN(),
+		},
+		.attach_type = BPF_CGROUP_SYSCTL,
+		.sysctl = "kernel/ostype",
+		.open_flags = O_RDONLY,
+		.result = SUCCESS,
+	},
+	{
+		.descr = "sysctl_get_current_value sysctl:read E2BIG truncated",
+		.insns = {
+			/* sysctl_get_current_value arg2 (buf) */
+			BPF_MOV64_REG(BPF_REG_7, BPF_REG_10),
+			BPF_ALU64_IMM(BPF_ADD, BPF_REG_7, -8),
+			BPF_MOV64_IMM(BPF_REG_0, 0),
+			BPF_STX_MEM(BPF_H, BPF_REG_7, BPF_REG_0, 6),
+
+			BPF_MOV64_REG(BPF_REG_2, BPF_REG_7),
+
+			/* sysctl_get_current_value arg3 (buf_len) */
+			BPF_MOV64_IMM(BPF_REG_3, 6),
+
+			/* sysctl_get_current_value(ctx, buf, buf_len) */
+			BPF_EMIT_CALL(BPF_FUNC_sysctl_get_current_value),
+
+			/* if (ret == expected && */
+			BPF_JMP_IMM(BPF_JNE, BPF_REG_0, -E2BIG, 6),
+
+			/*     buf[0:6] == "Linux\0") */
+			BPF_LD_IMM64(BPF_REG_8,
+				     bpf_be64_to_cpu(0x4c696e7578000000ULL)),
+			BPF_LDX_MEM(BPF_DW, BPF_REG_9, BPF_REG_7, 0),
+			BPF_JMP_REG(BPF_JNE, BPF_REG_8, BPF_REG_9, 2),
+
+			/* return ALLOW; */
+			BPF_MOV64_IMM(BPF_REG_0, 1),
+			BPF_JMP_A(1),
+
+			/* else return DENY; */
+			BPF_MOV64_IMM(BPF_REG_0, 0),
+			BPF_EXIT_INSN(),
+		},
+		.attach_type = BPF_CGROUP_SYSCTL,
+		.sysctl = "kernel/ostype",
+		.open_flags = O_RDONLY,
+		.result = SUCCESS,
+	},
+	{
+		.descr = "sysctl_get_current_value sysctl:read EINVAL",
+		.insns = {
+			/* sysctl_get_current_value arg2 (buf) */
+			BPF_MOV64_REG(BPF_REG_7, BPF_REG_10),
+			BPF_ALU64_IMM(BPF_ADD, BPF_REG_7, -8),
+
+			BPF_MOV64_REG(BPF_REG_2, BPF_REG_7),
+
+			/* sysctl_get_current_value arg3 (buf_len) */
+			BPF_MOV64_IMM(BPF_REG_3, 8),
+
+			/* sysctl_get_current_value(ctx, buf, buf_len) */
+			BPF_EMIT_CALL(BPF_FUNC_sysctl_get_current_value),
+
+			/* if (ret == expected && */
+			BPF_JMP_IMM(BPF_JNE, BPF_REG_0, -EINVAL, 4),
+
+			/*     buf[0:8] is NUL-filled) */
+			BPF_LDX_MEM(BPF_DW, BPF_REG_9, BPF_REG_7, 0),
+			BPF_JMP_IMM(BPF_JNE, BPF_REG_9, 0, 2),
+
+			/* return DENY; */
+			BPF_MOV64_IMM(BPF_REG_0, 0),
+			BPF_JMP_A(1),
+
+			/* else return ALLOW; */
+			BPF_MOV64_IMM(BPF_REG_0, 1),
+			BPF_EXIT_INSN(),
+		},
+		.attach_type = BPF_CGROUP_SYSCTL,
+		.sysctl = "net/ipv6/conf/lo/stable_secret", /* -EIO */
+		.open_flags = O_RDONLY,
+		.result = OP_EPERM,
+	},
+	{
+		.descr = "sysctl_get_current_value sysctl:write ok",
+		.fixup_value_insn = 6,
+		.insns = {
+			/* sysctl_get_current_value arg2 (buf) */
+			BPF_MOV64_REG(BPF_REG_7, BPF_REG_10),
+			BPF_ALU64_IMM(BPF_ADD, BPF_REG_7, -8),
+
+			BPF_MOV64_REG(BPF_REG_2, BPF_REG_7),
+
+			/* sysctl_get_current_value arg3 (buf_len) */
+			BPF_MOV64_IMM(BPF_REG_3, 8),
+
+			/* sysctl_get_current_value(ctx, buf, buf_len) */
+			BPF_EMIT_CALL(BPF_FUNC_sysctl_get_current_value),
+
+			/* if (ret == expected && */
+			BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 4, 6),
+
+			/*     buf[0:4] == expected) */
+			BPF_LD_IMM64(BPF_REG_8, FIXUP_SYSCTL_VALUE),
+			BPF_LDX_MEM(BPF_DW, BPF_REG_9, BPF_REG_7, 0),
+			BPF_JMP_REG(BPF_JNE, BPF_REG_8, BPF_REG_9, 2),
+
+			/* return DENY; */
+			BPF_MOV64_IMM(BPF_REG_0, 0),
+			BPF_JMP_A(1),
+
+			/* else return ALLOW; */
+			BPF_MOV64_IMM(BPF_REG_0, 1),
+			BPF_EXIT_INSN(),
+		},
+		.attach_type = BPF_CGROUP_SYSCTL,
+		.sysctl = "net/ipv4/route/mtu_expires",
+		.open_flags = O_WRONLY,
+		.newval = "600", /* same as default, should fail anyway */
+		.result = OP_EPERM,
+	},
+	{
+		.descr = "sysctl_get_new_value sysctl:read EINVAL",
+		.insns = {
+			/* sysctl_get_new_value arg2 (buf) */
+			BPF_MOV64_REG(BPF_REG_7, BPF_REG_10),
+			BPF_ALU64_IMM(BPF_ADD, BPF_REG_7, -8),
+			BPF_MOV64_IMM(BPF_REG_0, 0),
+			BPF_STX_MEM(BPF_DW, BPF_REG_7, BPF_REG_0, 0),
+
+			BPF_MOV64_REG(BPF_REG_2, BPF_REG_7),
+
+			/* sysctl_get_new_value arg3 (buf_len) */
+			BPF_MOV64_IMM(BPF_REG_3, 8),
+
+			/* sysctl_get_new_value(ctx, buf, buf_len) */
+			BPF_EMIT_CALL(BPF_FUNC_sysctl_get_new_value),
+
+			/* if (ret == expected) */
+			BPF_JMP_IMM(BPF_JNE, BPF_REG_0, -EINVAL, 2),
+
+			/* return ALLOW; */
+			BPF_MOV64_IMM(BPF_REG_0, 1),
+			BPF_JMP_A(1),
+
+			/* else return DENY; */
+			BPF_MOV64_IMM(BPF_REG_0, 0),
+			BPF_EXIT_INSN(),
+		},
+		.attach_type = BPF_CGROUP_SYSCTL,
+		.sysctl = "net/ipv4/tcp_mem",
+		.open_flags = O_RDONLY,
+		.result = SUCCESS,
+	},
+	{
+		.descr = "sysctl_get_new_value sysctl:write ok",
+		.insns = {
+			/* sysctl_get_new_value arg2 (buf) */
+			BPF_MOV64_REG(BPF_REG_7, BPF_REG_10),
+			BPF_ALU64_IMM(BPF_ADD, BPF_REG_7, -8),
+
+			BPF_MOV64_REG(BPF_REG_2, BPF_REG_7),
+
+			/* sysctl_get_new_value arg3 (buf_len) */
+			BPF_MOV64_IMM(BPF_REG_3, 4),
+
+			/* sysctl_get_new_value(ctx, buf, buf_len) */
+			BPF_EMIT_CALL(BPF_FUNC_sysctl_get_new_value),
+
+			/* if (ret == expected && */
+			BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 3, 4),
+
+			/*     buf[0:4] == "606\0") */
+			BPF_LDX_MEM(BPF_W, BPF_REG_9, BPF_REG_7, 0),
+			BPF_JMP_IMM(BPF_JNE, BPF_REG_9,
+				    bpf_ntohl(0x36303600), 2),
+
+			/* return DENY; */
+			BPF_MOV64_IMM(BPF_REG_0, 0),
+			BPF_JMP_A(1),
+
+			/* else return ALLOW; */
+			BPF_MOV64_IMM(BPF_REG_0, 1),
+			BPF_EXIT_INSN(),
+		},
+		.attach_type = BPF_CGROUP_SYSCTL,
+		.sysctl = "net/ipv4/route/mtu_expires",
+		.open_flags = O_WRONLY,
+		.newval = "606",
+		.result = OP_EPERM,
+	},
+	{
+		.descr = "sysctl_get_new_value sysctl:write ok long",
+		.insns = {
+			/* sysctl_get_new_value arg2 (buf) */
+			BPF_MOV64_REG(BPF_REG_7, BPF_REG_10),
+			BPF_ALU64_IMM(BPF_ADD, BPF_REG_7, -24),
+
+			BPF_MOV64_REG(BPF_REG_2, BPF_REG_7),
+
+			/* sysctl_get_new_value arg3 (buf_len) */
+			BPF_MOV64_IMM(BPF_REG_3, 24),
+
+			/* sysctl_get_new_value(ctx, buf, buf_len) */
+			BPF_EMIT_CALL(BPF_FUNC_sysctl_get_new_value),
+
+			/* if (ret == expected && */
+			BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 23, 14),
+
+			/*     buf[0:8] == "3000000 " && */
+			BPF_LD_IMM64(BPF_REG_8,
+				     bpf_be64_to_cpu(0x3330303030303020ULL)),
+			BPF_LDX_MEM(BPF_DW, BPF_REG_9, BPF_REG_7, 0),
+			BPF_JMP_REG(BPF_JNE, BPF_REG_8, BPF_REG_9, 10),
+
+			/*     buf[8:16] == "4000000 " && */
+			BPF_LD_IMM64(BPF_REG_8,
+				     bpf_be64_to_cpu(0x3430303030303020ULL)),
+			BPF_LDX_MEM(BPF_DW, BPF_REG_9, BPF_REG_7, 8),
+			BPF_JMP_REG(BPF_JNE, BPF_REG_8, BPF_REG_9, 6),
+
+			/*     buf[16:24] == "6000000\0") */
+			BPF_LD_IMM64(BPF_REG_8,
+				     bpf_be64_to_cpu(0x3630303030303000ULL)),
+			BPF_LDX_MEM(BPF_DW, BPF_REG_9, BPF_REG_7, 16),
+			BPF_JMP_REG(BPF_JNE, BPF_REG_8, BPF_REG_9, 2),
+
+			/* return DENY; */
+			BPF_MOV64_IMM(BPF_REG_0, 0),
+			BPF_JMP_A(1),
+
+			/* else return ALLOW; */
+			BPF_MOV64_IMM(BPF_REG_0, 1),
+			BPF_EXIT_INSN(),
+		},
+		.attach_type = BPF_CGROUP_SYSCTL,
+		.sysctl = "net/ipv4/tcp_mem",
+		.open_flags = O_WRONLY,
+		.newval = "3000000 4000000 6000000",
+		.result = OP_EPERM,
+	},
+	{
+		.descr = "sysctl_get_new_value sysctl:write E2BIG",
+		.insns = {
+			/* sysctl_get_new_value arg2 (buf) */
+			BPF_MOV64_REG(BPF_REG_7, BPF_REG_10),
+			BPF_ALU64_IMM(BPF_ADD, BPF_REG_7, -8),
+			BPF_MOV64_IMM(BPF_REG_0, 0),
+			BPF_STX_MEM(BPF_B, BPF_REG_7, BPF_REG_0, 3),
+
+			BPF_MOV64_REG(BPF_REG_2, BPF_REG_7),
+
+			/* sysctl_get_new_value arg3 (buf_len) */
+			BPF_MOV64_IMM(BPF_REG_3, 3),
+
+			/* sysctl_get_new_value(ctx, buf, buf_len) */
+			BPF_EMIT_CALL(BPF_FUNC_sysctl_get_new_value),
+
+			/* if (ret == expected && */
+			BPF_JMP_IMM(BPF_JNE, BPF_REG_0, -E2BIG, 4),
+
+			/*     buf[0:3] == "60\0") */
+			BPF_LDX_MEM(BPF_W, BPF_REG_9, BPF_REG_7, 0),
+			BPF_JMP_IMM(BPF_JNE, BPF_REG_9,
+				    bpf_ntohl(0x36300000), 2),
+
+			/* return DENY; */
+			BPF_MOV64_IMM(BPF_REG_0, 0),
+			BPF_JMP_A(1),
+
+			/* else return ALLOW; */
+			BPF_MOV64_IMM(BPF_REG_0, 1),
+			BPF_EXIT_INSN(),
+		},
+		.attach_type = BPF_CGROUP_SYSCTL,
+		.sysctl = "net/ipv4/route/mtu_expires",
+		.open_flags = O_WRONLY,
+		.newval = "606",
+		.result = OP_EPERM,
+	},
+	{
+		.descr = "sysctl_set_new_value sysctl:read EINVAL",
+		.insns = {
+			/* sysctl_set_new_value arg2 (buf) */
+			BPF_MOV64_REG(BPF_REG_7, BPF_REG_10),
+			BPF_ALU64_IMM(BPF_ADD, BPF_REG_7, -8),
+			BPF_MOV64_IMM(BPF_REG_0,
+				      bpf_ntohl(0x36303000)),
+			BPF_STX_MEM(BPF_DW, BPF_REG_7, BPF_REG_0, 0),
+
+			BPF_MOV64_REG(BPF_REG_2, BPF_REG_7),
+
+			/* sysctl_set_new_value arg3 (buf_len) */
+			BPF_MOV64_IMM(BPF_REG_3, 3),
+
+			/* sysctl_set_new_value(ctx, buf, buf_len) */
+			BPF_EMIT_CALL(BPF_FUNC_sysctl_set_new_value),
+
+			/* if (ret == expected) */
+			BPF_JMP_IMM(BPF_JNE, BPF_REG_0, -EINVAL, 2),
+
+			/* return ALLOW; */
+			BPF_MOV64_IMM(BPF_REG_0, 1),
+			BPF_JMP_A(1),
+
+			/* else return DENY; */
+			BPF_MOV64_IMM(BPF_REG_0, 0),
+			BPF_EXIT_INSN(),
+		},
+		.attach_type = BPF_CGROUP_SYSCTL,
+		.sysctl = "net/ipv4/route/mtu_expires",
+		.open_flags = O_RDONLY,
+		.result = SUCCESS,
+	},
+	{
+		.descr = "sysctl_set_new_value sysctl:write ok",
+		.fixup_value_insn = 2,
+		.insns = {
+			/* sysctl_set_new_value arg2 (buf) */
+			BPF_MOV64_REG(BPF_REG_7, BPF_REG_10),
+			BPF_ALU64_IMM(BPF_ADD, BPF_REG_7, -8),
+			BPF_LD_IMM64(BPF_REG_0, FIXUP_SYSCTL_VALUE),
+			BPF_STX_MEM(BPF_DW, BPF_REG_7, BPF_REG_0, 0),
+
+			BPF_MOV64_REG(BPF_REG_2, BPF_REG_7),
+
+			/* sysctl_set_new_value arg3 (buf_len) */
+			BPF_MOV64_IMM(BPF_REG_3, 3),
+
+			/* sysctl_set_new_value(ctx, buf, buf_len) */
+			BPF_EMIT_CALL(BPF_FUNC_sysctl_set_new_value),
+
+			/* if (ret == expected) */
+			BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 2),
+
+			/* return ALLOW; */
+			BPF_MOV64_IMM(BPF_REG_0, 1),
+			BPF_JMP_A(1),
+
+			/* else return DENY; */
+			BPF_MOV64_IMM(BPF_REG_0, 0),
+			BPF_EXIT_INSN(),
+		},
+		.attach_type = BPF_CGROUP_SYSCTL,
+		.sysctl = "net/ipv4/route/mtu_expires",
+		.open_flags = O_WRONLY,
+		.newval = "606",
+		.result = SUCCESS,
+	},
+	{
+		"bpf_strtoul one number string",
+		.insns = {
+			/* arg1 (buf) */
+			BPF_MOV64_REG(BPF_REG_7, BPF_REG_10),
+			BPF_ALU64_IMM(BPF_ADD, BPF_REG_7, -8),
+			BPF_MOV64_IMM(BPF_REG_0,
+				      bpf_ntohl(0x36303000)),
+			BPF_STX_MEM(BPF_W, BPF_REG_7, BPF_REG_0, 0),
+
+			BPF_MOV64_REG(BPF_REG_1, BPF_REG_7),
+
+			/* arg2 (buf_len) */
+			BPF_MOV64_IMM(BPF_REG_2, 4),
+
+			/* arg3 (flags) */
+			BPF_MOV64_IMM(BPF_REG_3, 0),
+
+			/* arg4 (res) */
+			BPF_ALU64_IMM(BPF_ADD, BPF_REG_7, -8),
+			BPF_STX_MEM(BPF_DW, BPF_REG_7, BPF_REG_0, 0),
+			BPF_MOV64_REG(BPF_REG_4, BPF_REG_7),
+
+			BPF_EMIT_CALL(BPF_FUNC_strtoul),
+
+			/* if (ret == expected && */
+			BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 3, 4),
+			/*     res == expected) */
+			BPF_LDX_MEM(BPF_DW, BPF_REG_9, BPF_REG_7, 0),
+			BPF_JMP_IMM(BPF_JNE, BPF_REG_9, 600, 2),
+
+			/* return ALLOW; */
+			BPF_MOV64_IMM(BPF_REG_0, 1),
+			BPF_JMP_A(1),
+
+			/* else return DENY; */
+			BPF_MOV64_IMM(BPF_REG_0, 0),
+			BPF_EXIT_INSN(),
+		},
+		.attach_type = BPF_CGROUP_SYSCTL,
+		.sysctl = "net/ipv4/route/mtu_expires",
+		.open_flags = O_RDONLY,
+		.result = SUCCESS,
+	},
+	{
+		"bpf_strtoul multi number string",
+		.insns = {
+			/* arg1 (buf) */
+			BPF_MOV64_REG(BPF_REG_7, BPF_REG_10),
+			BPF_ALU64_IMM(BPF_ADD, BPF_REG_7, -8),
+			/* "600 602\0" */
+			BPF_LD_IMM64(BPF_REG_0,
+				     bpf_be64_to_cpu(0x3630302036303200ULL)),
+			BPF_STX_MEM(BPF_DW, BPF_REG_7, BPF_REG_0, 0),
+			BPF_MOV64_REG(BPF_REG_1, BPF_REG_7),
+
+			/* arg2 (buf_len) */
+			BPF_MOV64_IMM(BPF_REG_2, 8),
+
+			/* arg3 (flags) */
+			BPF_MOV64_IMM(BPF_REG_3, 0),
+
+			/* arg4 (res) */
+			BPF_ALU64_IMM(BPF_ADD, BPF_REG_7, -8),
+			BPF_STX_MEM(BPF_DW, BPF_REG_7, BPF_REG_0, 0),
+			BPF_MOV64_REG(BPF_REG_4, BPF_REG_7),
+
+			BPF_EMIT_CALL(BPF_FUNC_strtoul),
+
+			/* if (ret == expected && */
+			BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 3, 18),
+			/*     res == expected) */
+			BPF_LDX_MEM(BPF_DW, BPF_REG_9, BPF_REG_7, 0),
+			BPF_JMP_IMM(BPF_JNE, BPF_REG_9, 600, 16),
+
+			/*     arg1 (buf) */
+			BPF_MOV64_REG(BPF_REG_7, BPF_REG_10),
+			BPF_ALU64_IMM(BPF_ADD, BPF_REG_7, -8),
+			BPF_ALU64_REG(BPF_ADD, BPF_REG_7, BPF_REG_0),
+			BPF_MOV64_REG(BPF_REG_1, BPF_REG_7),
+
+			/*     arg2 (buf_len) */
+			BPF_MOV64_IMM(BPF_REG_2, 8),
+			BPF_ALU64_REG(BPF_SUB, BPF_REG_2, BPF_REG_0),
+
+			/*     arg3 (flags) */
+			BPF_MOV64_IMM(BPF_REG_3, 0),
+
+			/*     arg4 (res) */
+			BPF_MOV64_REG(BPF_REG_7, BPF_REG_10),
+			BPF_ALU64_IMM(BPF_ADD, BPF_REG_7, -16),
+			BPF_MOV64_REG(BPF_REG_4, BPF_REG_7),
+
+			BPF_EMIT_CALL(BPF_FUNC_strtoul),
+
+			/*     if (ret == expected && */
+			BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 4, 4),
+			/*         res == expected) */
+			BPF_LDX_MEM(BPF_DW, BPF_REG_9, BPF_REG_7, 0),
+			BPF_JMP_IMM(BPF_JNE, BPF_REG_9, 602, 2),
+
+			/* return ALLOW; */
+			BPF_MOV64_IMM(BPF_REG_0, 1),
+			BPF_JMP_A(1),
+
+			/* else return DENY; */
+			BPF_MOV64_IMM(BPF_REG_0, 0),
+			BPF_EXIT_INSN(),
+		},
+		.attach_type = BPF_CGROUP_SYSCTL,
+		.sysctl = "net/ipv4/tcp_mem",
+		.open_flags = O_RDONLY,
+		.result = SUCCESS,
+	},
+	{
+		"bpf_strtoul buf_len = 0, reject",
+		.insns = {
+			/* arg1 (buf) */
+			BPF_MOV64_REG(BPF_REG_7, BPF_REG_10),
+			BPF_ALU64_IMM(BPF_ADD, BPF_REG_7, -8),
+			BPF_MOV64_IMM(BPF_REG_0,
+				      bpf_ntohl(0x36303000)),
+			BPF_STX_MEM(BPF_DW, BPF_REG_7, BPF_REG_0, 0),
+
+			BPF_MOV64_REG(BPF_REG_1, BPF_REG_7),
+
+			/* arg2 (buf_len) */
+			BPF_MOV64_IMM(BPF_REG_2, 0),
+
+			/* arg3 (flags) */
+			BPF_MOV64_IMM(BPF_REG_3, 0),
+
+			/* arg4 (res) */
+			BPF_ALU64_IMM(BPF_ADD, BPF_REG_7, -8),
+			BPF_STX_MEM(BPF_DW, BPF_REG_7, BPF_REG_0, 0),
+			BPF_MOV64_REG(BPF_REG_4, BPF_REG_7),
+
+			BPF_EMIT_CALL(BPF_FUNC_strtoul),
+
+			BPF_MOV64_IMM(BPF_REG_0, 1),
+			BPF_EXIT_INSN(),
+		},
+		.attach_type = BPF_CGROUP_SYSCTL,
+		.sysctl = "net/ipv4/route/mtu_expires",
+		.open_flags = O_RDONLY,
+		.result = LOAD_REJECT,
+	},
+	{
+		"bpf_strtoul supported base, ok",
+		.insns = {
+			/* arg1 (buf) */
+			BPF_MOV64_REG(BPF_REG_7, BPF_REG_10),
+			BPF_ALU64_IMM(BPF_ADD, BPF_REG_7, -8),
+			BPF_MOV64_IMM(BPF_REG_0,
+				      bpf_ntohl(0x30373700)),
+			BPF_STX_MEM(BPF_W, BPF_REG_7, BPF_REG_0, 0),
+
+			BPF_MOV64_REG(BPF_REG_1, BPF_REG_7),
+
+			/* arg2 (buf_len) */
+			BPF_MOV64_IMM(BPF_REG_2, 4),
+
+			/* arg3 (flags) */
+			BPF_MOV64_IMM(BPF_REG_3, 8),
+
+			/* arg4 (res) */
+			BPF_ALU64_IMM(BPF_ADD, BPF_REG_7, -8),
+			BPF_STX_MEM(BPF_DW, BPF_REG_7, BPF_REG_0, 0),
+			BPF_MOV64_REG(BPF_REG_4, BPF_REG_7),
+
+			BPF_EMIT_CALL(BPF_FUNC_strtoul),
+
+			/* if (ret == expected && */
+			BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 3, 4),
+			/*     res == expected) */
+			BPF_LDX_MEM(BPF_DW, BPF_REG_9, BPF_REG_7, 0),
+			BPF_JMP_IMM(BPF_JNE, BPF_REG_9, 63, 2),
+
+			/* return ALLOW; */
+			BPF_MOV64_IMM(BPF_REG_0, 1),
+			BPF_JMP_A(1),
+
+			/* else return DENY; */
+			BPF_MOV64_IMM(BPF_REG_0, 0),
+			BPF_EXIT_INSN(),
+		},
+		.attach_type = BPF_CGROUP_SYSCTL,
+		.sysctl = "net/ipv4/route/mtu_expires",
+		.open_flags = O_RDONLY,
+		.result = SUCCESS,
+	},
+	{
+		"bpf_strtoul unsupported base, EINVAL",
+		.insns = {
+			/* arg1 (buf) */
+			BPF_MOV64_REG(BPF_REG_7, BPF_REG_10),
+			BPF_ALU64_IMM(BPF_ADD, BPF_REG_7, -8),
+			BPF_MOV64_IMM(BPF_REG_0,
+				      bpf_ntohl(0x36303000)),
+			BPF_STX_MEM(BPF_DW, BPF_REG_7, BPF_REG_0, 0),
+
+			BPF_MOV64_REG(BPF_REG_1, BPF_REG_7),
+
+			/* arg2 (buf_len) */
+			BPF_MOV64_IMM(BPF_REG_2, 4),
+
+			/* arg3 (flags) */
+			BPF_MOV64_IMM(BPF_REG_3, 3),
+
+			/* arg4 (res) */
+			BPF_ALU64_IMM(BPF_ADD, BPF_REG_7, -8),
+			BPF_STX_MEM(BPF_DW, BPF_REG_7, BPF_REG_0, 0),
+			BPF_MOV64_REG(BPF_REG_4, BPF_REG_7),
+
+			BPF_EMIT_CALL(BPF_FUNC_strtoul),
+
+			/* if (ret == expected) */
+			BPF_JMP_IMM(BPF_JNE, BPF_REG_0, -EINVAL, 2),
+
+			/* return ALLOW; */
+			BPF_MOV64_IMM(BPF_REG_0, 1),
+			BPF_JMP_A(1),
+
+			/* else return DENY; */
+			BPF_MOV64_IMM(BPF_REG_0, 0),
+			BPF_EXIT_INSN(),
+		},
+		.attach_type = BPF_CGROUP_SYSCTL,
+		.sysctl = "net/ipv4/route/mtu_expires",
+		.open_flags = O_RDONLY,
+		.result = SUCCESS,
+	},
+	{
+		"bpf_strtoul buf with spaces only, EINVAL",
+		.insns = {
+			/* arg1 (buf) */
+			BPF_MOV64_REG(BPF_REG_7, BPF_REG_10),
+			BPF_ALU64_IMM(BPF_ADD, BPF_REG_7, -8),
+			BPF_MOV64_IMM(BPF_REG_0,
+				      bpf_ntohl(0x0d0c0a09)),
+			BPF_STX_MEM(BPF_DW, BPF_REG_7, BPF_REG_0, 0),
+
+			BPF_MOV64_REG(BPF_REG_1, BPF_REG_7),
+
+			/* arg2 (buf_len) */
+			BPF_MOV64_IMM(BPF_REG_2, 4),
+
+			/* arg3 (flags) */
+			BPF_MOV64_IMM(BPF_REG_3, 0),
+
+			/* arg4 (res) */
+			BPF_ALU64_IMM(BPF_ADD, BPF_REG_7, -8),
+			BPF_STX_MEM(BPF_DW, BPF_REG_7, BPF_REG_0, 0),
+			BPF_MOV64_REG(BPF_REG_4, BPF_REG_7),
+
+			BPF_EMIT_CALL(BPF_FUNC_strtoul),
+
+			/* if (ret == expected) */
+			BPF_JMP_IMM(BPF_JNE, BPF_REG_0, -EINVAL, 2),
+
+			/* return ALLOW; */
+			BPF_MOV64_IMM(BPF_REG_0, 1),
+			BPF_JMP_A(1),
+
+			/* else return DENY; */
+			BPF_MOV64_IMM(BPF_REG_0, 0),
+			BPF_EXIT_INSN(),
+		},
+		.attach_type = BPF_CGROUP_SYSCTL,
+		.sysctl = "net/ipv4/route/mtu_expires",
+		.open_flags = O_RDONLY,
+		.result = SUCCESS,
+	},
+	{
+		"bpf_strtoul negative number, EINVAL",
+		.insns = {
+			/* arg1 (buf) */
+			BPF_MOV64_REG(BPF_REG_7, BPF_REG_10),
+			BPF_ALU64_IMM(BPF_ADD, BPF_REG_7, -8),
+			/* " -6\0" */
+			BPF_MOV64_IMM(BPF_REG_0,
+				      bpf_ntohl(0x0a2d3600)),
+			BPF_STX_MEM(BPF_DW, BPF_REG_7, BPF_REG_0, 0),
+
+			BPF_MOV64_REG(BPF_REG_1, BPF_REG_7),
+
+			/* arg2 (buf_len) */
+			BPF_MOV64_IMM(BPF_REG_2, 4),
+
+			/* arg3 (flags) */
+			BPF_MOV64_IMM(BPF_REG_3, 0),
+
+			/* arg4 (res) */
+			BPF_ALU64_IMM(BPF_ADD, BPF_REG_7, -8),
+			BPF_STX_MEM(BPF_DW, BPF_REG_7, BPF_REG_0, 0),
+			BPF_MOV64_REG(BPF_REG_4, BPF_REG_7),
+
+			BPF_EMIT_CALL(BPF_FUNC_strtoul),
+
+			/* if (ret == expected) */
+			BPF_JMP_IMM(BPF_JNE, BPF_REG_0, -EINVAL, 2),
+
+			/* return ALLOW; */
+			BPF_MOV64_IMM(BPF_REG_0, 1),
+			BPF_JMP_A(1),
+
+			/* else return DENY; */
+			BPF_MOV64_IMM(BPF_REG_0, 0),
+			BPF_EXIT_INSN(),
+		},
+		.attach_type = BPF_CGROUP_SYSCTL,
+		.sysctl = "net/ipv4/route/mtu_expires",
+		.open_flags = O_RDONLY,
+		.result = SUCCESS,
+	},
+	{
+		"bpf_strtol negative number, ok",
+		.insns = {
+			/* arg1 (buf) */
+			BPF_MOV64_REG(BPF_REG_7, BPF_REG_10),
+			BPF_ALU64_IMM(BPF_ADD, BPF_REG_7, -8),
+			/* " -6\0" */
+			BPF_MOV64_IMM(BPF_REG_0,
+				      bpf_ntohl(0x0a2d3600)),
+			BPF_STX_MEM(BPF_W, BPF_REG_7, BPF_REG_0, 0),
+
+			BPF_MOV64_REG(BPF_REG_1, BPF_REG_7),
+
+			/* arg2 (buf_len) */
+			BPF_MOV64_IMM(BPF_REG_2, 4),
+
+			/* arg3 (flags) */
+			BPF_MOV64_IMM(BPF_REG_3, 10),
+
+			/* arg4 (res) */
+			BPF_ALU64_IMM(BPF_ADD, BPF_REG_7, -8),
+			BPF_STX_MEM(BPF_DW, BPF_REG_7, BPF_REG_0, 0),
+			BPF_MOV64_REG(BPF_REG_4, BPF_REG_7),
+
+			BPF_EMIT_CALL(BPF_FUNC_strtol),
+
+			/* if (ret == expected && */
+			BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 3, 4),
+			/*     res == expected) */
+			BPF_LDX_MEM(BPF_DW, BPF_REG_9, BPF_REG_7, 0),
+			BPF_JMP_IMM(BPF_JNE, BPF_REG_9, -6, 2),
+
+			/* return ALLOW; */
+			BPF_MOV64_IMM(BPF_REG_0, 1),
+			BPF_JMP_A(1),
+
+			/* else return DENY; */
+			BPF_MOV64_IMM(BPF_REG_0, 0),
+			BPF_EXIT_INSN(),
+		},
+		.attach_type = BPF_CGROUP_SYSCTL,
+		.sysctl = "net/ipv4/route/mtu_expires",
+		.open_flags = O_RDONLY,
+		.result = SUCCESS,
+	},
+	{
+		"bpf_strtol hex number, ok",
+		.insns = {
+			/* arg1 (buf) */
+			BPF_MOV64_REG(BPF_REG_7, BPF_REG_10),
+			BPF_ALU64_IMM(BPF_ADD, BPF_REG_7, -8),
+			/* "0xfe" */
+			BPF_MOV64_IMM(BPF_REG_0,
+				      bpf_ntohl(0x30786665)),
+			BPF_STX_MEM(BPF_W, BPF_REG_7, BPF_REG_0, 0),
+
+			BPF_MOV64_REG(BPF_REG_1, BPF_REG_7),
+
+			/* arg2 (buf_len) */
+			BPF_MOV64_IMM(BPF_REG_2, 4),
+
+			/* arg3 (flags) */
+			BPF_MOV64_IMM(BPF_REG_3, 0),
+
+			/* arg4 (res) */
+			BPF_ALU64_IMM(BPF_ADD, BPF_REG_7, -8),
+			BPF_STX_MEM(BPF_DW, BPF_REG_7, BPF_REG_0, 0),
+			BPF_MOV64_REG(BPF_REG_4, BPF_REG_7),
+
+			BPF_EMIT_CALL(BPF_FUNC_strtol),
+
+			/* if (ret == expected && */
+			BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 4, 4),
+			/*     res == expected) */
+			BPF_LDX_MEM(BPF_DW, BPF_REG_9, BPF_REG_7, 0),
+			BPF_JMP_IMM(BPF_JNE, BPF_REG_9, 254, 2),
+
+			/* return ALLOW; */
+			BPF_MOV64_IMM(BPF_REG_0, 1),
+			BPF_JMP_A(1),
+
+			/* else return DENY; */
+			BPF_MOV64_IMM(BPF_REG_0, 0),
+			BPF_EXIT_INSN(),
+		},
+		.attach_type = BPF_CGROUP_SYSCTL,
+		.sysctl = "net/ipv4/route/mtu_expires",
+		.open_flags = O_RDONLY,
+		.result = SUCCESS,
+	},
+	{
+		"bpf_strtol max long",
+		.insns = {
+			/* arg1 (buf) 9223372036854775807 */
+			BPF_MOV64_REG(BPF_REG_7, BPF_REG_10),
+			BPF_ALU64_IMM(BPF_ADD, BPF_REG_7, -24),
+			BPF_LD_IMM64(BPF_REG_0,
+				     bpf_be64_to_cpu(0x3932323333373230ULL)),
+			BPF_STX_MEM(BPF_DW, BPF_REG_7, BPF_REG_0, 0),
+			BPF_LD_IMM64(BPF_REG_0,
+				     bpf_be64_to_cpu(0x3336383534373735ULL)),
+			BPF_STX_MEM(BPF_DW, BPF_REG_7, BPF_REG_0, 8),
+			BPF_LD_IMM64(BPF_REG_0,
+				     bpf_be64_to_cpu(0x3830370000000000ULL)),
+			BPF_STX_MEM(BPF_DW, BPF_REG_7, BPF_REG_0, 16),
+
+			BPF_MOV64_REG(BPF_REG_1, BPF_REG_7),
+
+			/* arg2 (buf_len) */
+			BPF_MOV64_IMM(BPF_REG_2, 19),
+
+			/* arg3 (flags) */
+			BPF_MOV64_IMM(BPF_REG_3, 0),
+
+			/* arg4 (res) */
+			BPF_ALU64_IMM(BPF_ADD, BPF_REG_7, -8),
+			BPF_STX_MEM(BPF_DW, BPF_REG_7, BPF_REG_0, 0),
+			BPF_MOV64_REG(BPF_REG_4, BPF_REG_7),
+
+			BPF_EMIT_CALL(BPF_FUNC_strtol),
+
+			/* if (ret == expected && */
+			BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 19, 6),
+			/*     res == expected) */
+			BPF_LD_IMM64(BPF_REG_8, 0x7fffffffffffffffULL),
+			BPF_LDX_MEM(BPF_DW, BPF_REG_9, BPF_REG_7, 0),
+			BPF_JMP_REG(BPF_JNE, BPF_REG_8, BPF_REG_9, 2),
+
+			/* return ALLOW; */
+			BPF_MOV64_IMM(BPF_REG_0, 1),
+			BPF_JMP_A(1),
+
+			/* else return DENY; */
+			BPF_MOV64_IMM(BPF_REG_0, 0),
+			BPF_EXIT_INSN(),
+		},
+		.attach_type = BPF_CGROUP_SYSCTL,
+		.sysctl = "net/ipv4/route/mtu_expires",
+		.open_flags = O_RDONLY,
+		.result = SUCCESS,
+	},
+	{
+		"bpf_strtol overflow, ERANGE",
+		.insns = {
+			/* arg1 (buf) 9223372036854775808 */
+			BPF_MOV64_REG(BPF_REG_7, BPF_REG_10),
+			BPF_ALU64_IMM(BPF_ADD, BPF_REG_7, -24),
+			BPF_LD_IMM64(BPF_REG_0,
+				     bpf_be64_to_cpu(0x3932323333373230ULL)),
+			BPF_STX_MEM(BPF_DW, BPF_REG_7, BPF_REG_0, 0),
+			BPF_LD_IMM64(BPF_REG_0,
+				     bpf_be64_to_cpu(0x3336383534373735ULL)),
+			BPF_STX_MEM(BPF_DW, BPF_REG_7, BPF_REG_0, 8),
+			BPF_LD_IMM64(BPF_REG_0,
+				     bpf_be64_to_cpu(0x3830380000000000ULL)),
+			BPF_STX_MEM(BPF_DW, BPF_REG_7, BPF_REG_0, 16),
+
+			BPF_MOV64_REG(BPF_REG_1, BPF_REG_7),
+
+			/* arg2 (buf_len) */
+			BPF_MOV64_IMM(BPF_REG_2, 19),
+
+			/* arg3 (flags) */
+			BPF_MOV64_IMM(BPF_REG_3, 0),
+
+			/* arg4 (res) */
+			BPF_ALU64_IMM(BPF_ADD, BPF_REG_7, -8),
+			BPF_STX_MEM(BPF_DW, BPF_REG_7, BPF_REG_0, 0),
+			BPF_MOV64_REG(BPF_REG_4, BPF_REG_7),
+
+			BPF_EMIT_CALL(BPF_FUNC_strtol),
+
+			/* if (ret == expected) */
+			BPF_JMP_IMM(BPF_JNE, BPF_REG_0, -ERANGE, 2),
+
+			/* return ALLOW; */
+			BPF_MOV64_IMM(BPF_REG_0, 1),
+			BPF_JMP_A(1),
+
+			/* else return DENY; */
+			BPF_MOV64_IMM(BPF_REG_0, 0),
+			BPF_EXIT_INSN(),
+		},
+		.attach_type = BPF_CGROUP_SYSCTL,
+		.sysctl = "net/ipv4/route/mtu_expires",
+		.open_flags = O_RDONLY,
+		.result = SUCCESS,
+	},
+	{
+		"C prog: deny all writes",
+		.prog_file = "./test_sysctl_prog.bpf.o",
+		.attach_type = BPF_CGROUP_SYSCTL,
+		.sysctl = "net/ipv4/tcp_mem",
+		.open_flags = O_WRONLY,
+		.newval = "123 456 789",
+		.result = OP_EPERM,
+	},
+	{
+		"C prog: deny access by name",
+		.prog_file = "./test_sysctl_prog.bpf.o",
+		.attach_type = BPF_CGROUP_SYSCTL,
+		.sysctl = "net/ipv4/route/mtu_expires",
+		.open_flags = O_RDONLY,
+		.result = OP_EPERM,
+	},
+	{
+		"C prog: read tcp_mem",
+		.prog_file = "./test_sysctl_prog.bpf.o",
+		.attach_type = BPF_CGROUP_SYSCTL,
+		.sysctl = "net/ipv4/tcp_mem",
+		.open_flags = O_RDONLY,
+		.result = SUCCESS,
+	},
+};
+
+static size_t probe_prog_length(const struct bpf_insn *fp)
+{
+	size_t len;
+
+	for (len = MAX_INSNS - 1; len > 0; --len)
+		if (fp[len].code != 0 || fp[len].imm != 0)
+			break;
+	return len + 1;
+}
+
+static int fixup_sysctl_value(const char *buf, size_t buf_len,
+			      struct bpf_insn *prog, size_t insn_num)
+{
+	union {
+		uint8_t raw[sizeof(uint64_t)];
+		uint64_t num;
+	} value = {};
+
+	if (buf_len > sizeof(value)) {
+		log_err("Value is too big (%zd) to use in fixup", buf_len);
+		return -1;
+	}
+	if (prog[insn_num].code != (BPF_LD | BPF_DW | BPF_IMM)) {
+		log_err("Can fixup only BPF_LD_IMM64 insns");
+		return -1;
+	}
+
+	memcpy(value.raw, buf, buf_len);
+	prog[insn_num].imm = (uint32_t)value.num;
+	prog[insn_num + 1].imm = (uint32_t)(value.num >> 32);
+
+	return 0;
+}
+
+static int load_sysctl_prog_insns(struct sysctl_test *test,
+				  const char *sysctl_path)
+{
+	struct bpf_insn *prog = test->insns;
+	LIBBPF_OPTS(bpf_prog_load_opts, opts);
+	int ret, insn_cnt;
+
+	insn_cnt = probe_prog_length(prog);
+
+	if (test->fixup_value_insn) {
+		char buf[128];
+		ssize_t len;
+		int fd;
+
+		fd = open(sysctl_path, O_RDONLY | O_CLOEXEC);
+		if (fd < 0) {
+			log_err("open(%s) failed", sysctl_path);
+			return -1;
+		}
+		len = read(fd, buf, sizeof(buf));
+		if (len == -1) {
+			log_err("read(%s) failed", sysctl_path);
+			close(fd);
+			return -1;
+		}
+		close(fd);
+		if (fixup_sysctl_value(buf, len, prog, test->fixup_value_insn))
+			return -1;
+	}
+
+	opts.log_buf = bpf_log_buf;
+	opts.log_size = BPF_LOG_BUF_SIZE;
+
+	ret = bpf_prog_load(BPF_PROG_TYPE_CGROUP_SYSCTL, NULL, "GPL", prog, insn_cnt, &opts);
+	if (ret < 0 && test->result != LOAD_REJECT) {
+		log_err(">>> Loading program error.\n"
+			">>> Verifier output:\n%s\n-------\n", bpf_log_buf);
+	}
+
+	return ret;
+}
+
+static int load_sysctl_prog_file(struct sysctl_test *test)
+{
+	struct bpf_object *obj;
+	int prog_fd;
+
+	if (bpf_prog_test_load(test->prog_file, BPF_PROG_TYPE_CGROUP_SYSCTL, &obj, &prog_fd)) {
+		if (test->result != LOAD_REJECT)
+			log_err(">>> Loading program (%s) error.\n",
+				test->prog_file);
+		return -1;
+	}
+
+	return prog_fd;
+}
+
+static int load_sysctl_prog(struct sysctl_test *test, const char *sysctl_path)
+{
+		return test->prog_file
+			? load_sysctl_prog_file(test)
+			: load_sysctl_prog_insns(test, sysctl_path);
+}
+
+static int access_sysctl(const char *sysctl_path,
+			 const struct sysctl_test *test)
+{
+	int err = 0;
+	int fd;
+
+	fd = open(sysctl_path, test->open_flags | O_CLOEXEC);
+	if (fd < 0)
+		return fd;
+
+	if (test->seek && lseek(fd, test->seek, SEEK_SET) == -1) {
+		log_err("lseek(%d) failed", test->seek);
+		goto err;
+	}
+
+	if (test->open_flags == O_RDONLY) {
+		char buf[128];
+
+		if (read(fd, buf, sizeof(buf)) == -1)
+			goto err;
+		if (test->oldval &&
+		    strncmp(buf, test->oldval, strlen(test->oldval))) {
+			log_err("Read value %s != %s", buf, test->oldval);
+			goto err;
+		}
+	} else if (test->open_flags == O_WRONLY) {
+		if (!test->newval) {
+			log_err("New value for sysctl is not set");
+			goto err;
+		}
+		if (write(fd, test->newval, strlen(test->newval)) == -1)
+			goto err;
+	} else {
+		log_err("Unexpected sysctl access: neither read nor write");
+		goto err;
+	}
+
+	goto out;
+err:
+	err = -1;
+out:
+	close(fd);
+	return err;
+}
+
+static int run_test_case(int cgfd, struct sysctl_test *test)
+{
+	enum bpf_attach_type atype = test->attach_type;
+	char sysctl_path[128];
+	int progfd = -1;
+	int err = 0;
+
+	printf("Test case: %s .. ", test->descr);
+
+	snprintf(sysctl_path, sizeof(sysctl_path), "/proc/sys/%s",
+		 test->sysctl);
+
+	progfd = load_sysctl_prog(test, sysctl_path);
+	if (progfd < 0) {
+		if (test->result == LOAD_REJECT)
+			goto out;
+		else
+			goto err;
+	}
+
+	if (bpf_prog_attach(progfd, cgfd, atype, BPF_F_ALLOW_OVERRIDE) < 0) {
+		if (test->result == ATTACH_REJECT)
+			goto out;
+		else
+			goto err;
+	}
+
+	errno = 0;
+	if (access_sysctl(sysctl_path, test) == -1) {
+		if (test->result == OP_EPERM && errno == EPERM)
+			goto out;
+		else
+			goto err;
+	}
+
+	if (test->result != SUCCESS) {
+		log_err("Unexpected success");
+		goto err;
+	}
+
+	goto out;
+err:
+	err = -1;
+out:
+	/* Detaching w/o checking return code: best effort attempt. */
+	if (progfd != -1)
+		bpf_prog_detach(cgfd, atype);
+	close(progfd);
+	printf("[%s]\n", err ? "FAIL" : "PASS");
+	return err;
+}
+
+static int run_tests(int cgfd)
+{
+	int passes = 0;
+	int fails = 0;
+	int i;
+
+	for (i = 0; i < ARRAY_SIZE(tests); ++i) {
+		if (run_test_case(cgfd, &tests[i]))
+			++fails;
+		else
+			++passes;
+	}
+	printf("Summary: %d PASSED, %d FAILED\n", passes, fails);
+	return fails ? -1 : 0;
+}
+
+int main(int argc, char **argv)
+{
+	int cgfd = -1;
+	int err = 0;
+
+	cgfd = cgroup_setup_and_join(CG_PATH);
+	if (cgfd < 0)
+		goto err;
+
+	/* Use libbpf 1.0 API mode */
+	libbpf_set_strict_mode(LIBBPF_STRICT_ALL);
+
+	if (run_tests(cgfd))
+		goto err;
+
+	goto out;
+err:
+	err = -1;
+out:
+	close(cgfd);
+	cleanup_cgroup_environment();
+	return err;
+}
diff --git a/tools/testing/selftests/bpf/test_tag.c b/tools/testing/selftests/bpf/test_tag.c
new file mode 100644
index 000000000..5546b05a0
--- /dev/null
+++ b/tools/testing/selftests/bpf/test_tag.c
@@ -0,0 +1,206 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <stdint.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <ctype.h>
+#include <time.h>
+#include <errno.h>
+#include <unistd.h>
+#include <string.h>
+#include <sched.h>
+#include <limits.h>
+#include <assert.h>
+
+#include <sys/socket.h>
+
+#include <linux/filter.h>
+#include <linux/bpf.h>
+#include <linux/if_alg.h>
+
+#include <bpf/bpf.h>
+
+#include "../../../include/linux/filter.h"
+#include "testing_helpers.h"
+
+static struct bpf_insn prog[BPF_MAXINSNS];
+
+static void bpf_gen_imm_prog(unsigned int insns, int fd_map)
+{
+	int i;
+
+	srand(time(NULL));
+	for (i = 0; i < insns; i++)
+		prog[i] = BPF_ALU64_IMM(BPF_MOV, i % BPF_REG_10, rand());
+	prog[i - 1] = BPF_EXIT_INSN();
+}
+
+static void bpf_gen_map_prog(unsigned int insns, int fd_map)
+{
+	int i, j = 0;
+
+	for (i = 0; i + 1 < insns; i += 2) {
+		struct bpf_insn tmp[] = {
+			BPF_LD_MAP_FD(j++ % BPF_REG_10, fd_map)
+		};
+
+		memcpy(&prog[i], tmp, sizeof(tmp));
+	}
+	if (insns % 2 == 0)
+		prog[insns - 2] = BPF_ALU64_IMM(BPF_MOV, i % BPF_REG_10, 42);
+	prog[insns - 1] = BPF_EXIT_INSN();
+}
+
+static int bpf_try_load_prog(int insns, int fd_map,
+			     void (*bpf_filler)(unsigned int insns,
+						int fd_map))
+{
+	int fd_prog;
+
+	bpf_filler(insns, fd_map);
+	fd_prog = bpf_test_load_program(BPF_PROG_TYPE_SCHED_CLS, prog, insns, "", 0,
+				   NULL, 0);
+	assert(fd_prog > 0);
+	if (fd_map > 0)
+		bpf_filler(insns, 0);
+	return fd_prog;
+}
+
+static int __hex2bin(char ch)
+{
+	if ((ch >= '0') && (ch <= '9'))
+		return ch - '0';
+	ch = tolower(ch);
+	if ((ch >= 'a') && (ch <= 'f'))
+		return ch - 'a' + 10;
+	return -1;
+}
+
+static int hex2bin(uint8_t *dst, const char *src, size_t count)
+{
+	while (count--) {
+		int hi = __hex2bin(*src++);
+		int lo = __hex2bin(*src++);
+
+		if ((hi < 0) || (lo < 0))
+			return -1;
+		*dst++ = (hi << 4) | lo;
+	}
+	return 0;
+}
+
+static void tag_from_fdinfo(int fd_prog, uint8_t *tag, uint32_t len)
+{
+	const int prefix_len = sizeof("prog_tag:\t") - 1;
+	char buff[256];
+	int ret = -1;
+	FILE *fp;
+
+	snprintf(buff, sizeof(buff), "/proc/%d/fdinfo/%d", getpid(),
+		 fd_prog);
+	fp = fopen(buff, "r");
+	assert(fp);
+
+	while (fgets(buff, sizeof(buff), fp)) {
+		if (strncmp(buff, "prog_tag:\t", prefix_len))
+			continue;
+		ret = hex2bin(tag, buff + prefix_len, len);
+		break;
+	}
+
+	fclose(fp);
+	assert(!ret);
+}
+
+static void tag_from_alg(int insns, uint8_t *tag, uint32_t len)
+{
+	static const struct sockaddr_alg alg = {
+		.salg_family	= AF_ALG,
+		.salg_type	= "hash",
+		.salg_name	= "sha1",
+	};
+	int fd_base, fd_alg, ret;
+	ssize_t size;
+
+	fd_base = socket(AF_ALG, SOCK_SEQPACKET, 0);
+	assert(fd_base > 0);
+
+	ret = bind(fd_base, (struct sockaddr *)&alg, sizeof(alg));
+	assert(!ret);
+
+	fd_alg = accept(fd_base, NULL, 0);
+	assert(fd_alg > 0);
+
+	insns *= sizeof(struct bpf_insn);
+	size = write(fd_alg, prog, insns);
+	assert(size == insns);
+
+	size = read(fd_alg, tag, len);
+	assert(size == len);
+
+	close(fd_alg);
+	close(fd_base);
+}
+
+static void tag_dump(const char *prefix, uint8_t *tag, uint32_t len)
+{
+	int i;
+
+	printf("%s", prefix);
+	for (i = 0; i < len; i++)
+		printf("%02x", tag[i]);
+	printf("\n");
+}
+
+static void tag_exit_report(int insns, int fd_map, uint8_t *ftag,
+			    uint8_t *atag, uint32_t len)
+{
+	printf("Program tag mismatch for %d insns%s!\n", insns,
+	       fd_map < 0 ? "" : " with map");
+
+	tag_dump("  fdinfo result: ", ftag, len);
+	tag_dump("  af_alg result: ", atag, len);
+	exit(1);
+}
+
+static void do_test(uint32_t *tests, int start_insns, int fd_map,
+		    void (*bpf_filler)(unsigned int insns, int fd))
+{
+	int i, fd_prog;
+
+	for (i = start_insns; i <= BPF_MAXINSNS; i++) {
+		uint8_t ftag[8], atag[sizeof(ftag)];
+
+		fd_prog = bpf_try_load_prog(i, fd_map, bpf_filler);
+		tag_from_fdinfo(fd_prog, ftag, sizeof(ftag));
+		tag_from_alg(i, atag, sizeof(atag));
+		if (memcmp(ftag, atag, sizeof(ftag)))
+			tag_exit_report(i, fd_map, ftag, atag, sizeof(ftag));
+
+		close(fd_prog);
+		sched_yield();
+		(*tests)++;
+	}
+}
+
+int main(void)
+{
+	LIBBPF_OPTS(bpf_map_create_opts, opts, .map_flags = BPF_F_NO_PREALLOC);
+	uint32_t tests = 0;
+	int i, fd_map;
+
+	/* Use libbpf 1.0 API mode */
+	libbpf_set_strict_mode(LIBBPF_STRICT_ALL);
+
+	fd_map = bpf_map_create(BPF_MAP_TYPE_HASH, NULL, sizeof(int),
+				sizeof(int), 1, &opts);
+	assert(fd_map > 0);
+
+	for (i = 0; i < 5; i++) {
+		do_test(&tests, 2, -1,     bpf_gen_imm_prog);
+		do_test(&tests, 3, fd_map, bpf_gen_map_prog);
+	}
+
+	printf("test_tag: OK (%u tests)\n", tests);
+	close(fd_map);
+	return 0;
+}
diff --git a/tools/testing/selftests/bpf/test_tc_edt.sh b/tools/testing/selftests/bpf/test_tc_edt.sh
new file mode 100755
index 000000000..76f0bd170
--- /dev/null
+++ b/tools/testing/selftests/bpf/test_tc_edt.sh
@@ -0,0 +1,100 @@
+#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
+#
+# This test installs a TC bpf program that throttles a TCP flow
+# with dst port = 9000 down to 5MBps. Then it measures actual
+# throughput of the flow.
+
+BPF_FILE="test_tc_edt.bpf.o"
+if [[ $EUID -ne 0 ]]; then
+	echo "This script must be run as root"
+	echo "FAIL"
+	exit 1
+fi
+
+# check that nc, dd, and timeout are present
+command -v nc >/dev/null 2>&1 || \
+	{ echo >&2 "nc is not available"; exit 1; }
+command -v dd >/dev/null 2>&1 || \
+	{ echo >&2 "nc is not available"; exit 1; }
+command -v timeout >/dev/null 2>&1 || \
+	{ echo >&2 "timeout is not available"; exit 1; }
+
+readonly NS_SRC="ns-src-$(mktemp -u XXXXXX)"
+readonly NS_DST="ns-dst-$(mktemp -u XXXXXX)"
+
+readonly IP_SRC="172.16.1.100"
+readonly IP_DST="172.16.2.100"
+
+cleanup()
+{
+	ip netns del ${NS_SRC}
+	ip netns del ${NS_DST}
+}
+
+trap cleanup EXIT
+
+set -e  # exit on error
+
+ip netns add "${NS_SRC}"
+ip netns add "${NS_DST}"
+ip link add veth_src type veth peer name veth_dst
+ip link set veth_src netns ${NS_SRC}
+ip link set veth_dst netns ${NS_DST}
+
+ip -netns ${NS_SRC} addr add ${IP_SRC}/24  dev veth_src
+ip -netns ${NS_DST} addr add ${IP_DST}/24  dev veth_dst
+
+ip -netns ${NS_SRC} link set dev veth_src up
+ip -netns ${NS_DST} link set dev veth_dst up
+
+ip -netns ${NS_SRC} route add ${IP_DST}/32  dev veth_src
+ip -netns ${NS_DST} route add ${IP_SRC}/32  dev veth_dst
+
+# set up TC on TX
+ip netns exec ${NS_SRC} tc qdisc add dev veth_src root fq
+ip netns exec ${NS_SRC} tc qdisc add dev veth_src clsact
+ip netns exec ${NS_SRC} tc filter add dev veth_src egress \
+	bpf da obj ${BPF_FILE} sec cls_test
+
+
+# start the listener
+ip netns exec ${NS_DST} bash -c \
+	"nc -4 -l -p 9000 >/dev/null &"
+declare -i NC_PID=$!
+sleep 1
+
+declare -ir TIMEOUT=20
+declare -ir EXPECTED_BPS=5000000
+
+# run the load, capture RX bytes on DST
+declare -ir RX_BYTES_START=$( ip netns exec ${NS_DST} \
+	cat /sys/class/net/veth_dst/statistics/rx_bytes )
+
+set +e
+ip netns exec ${NS_SRC} bash -c "timeout ${TIMEOUT} dd if=/dev/zero \
+	bs=1000 count=1000000 > /dev/tcp/${IP_DST}/9000 2>/dev/null"
+set -e
+
+declare -ir RX_BYTES_END=$( ip netns exec ${NS_DST} \
+	cat /sys/class/net/veth_dst/statistics/rx_bytes )
+
+declare -ir ACTUAL_BPS=$(( ($RX_BYTES_END - $RX_BYTES_START) / $TIMEOUT ))
+
+echo $TIMEOUT $ACTUAL_BPS $EXPECTED_BPS | \
+	awk '{printf "elapsed: %d sec; bps difference: %.2f%%\n",
+		$1, ($2-$3)*100.0/$3}'
+
+# Pass the test if the actual bps is within 1% of the expected bps.
+# The difference is usually about 0.1% on a 20-sec test, and ==> zero
+# the longer the test runs.
+declare -ir RES=$( echo $ACTUAL_BPS $EXPECTED_BPS | \
+	 awk 'function abs(x){return ((x < 0.0) ? -x : x)}
+	      {if (abs(($1-$2)*100.0/$2) > 1.0) { print "1" }
+		else { print "0"} }' )
+if [ "${RES}" == "0" ] ; then
+	echo "PASS"
+else
+	echo "FAIL"
+	exit 1
+fi
diff --git a/tools/testing/selftests/bpf/test_tc_tunnel.sh b/tools/testing/selftests/bpf/test_tc_tunnel.sh
new file mode 100755
index 000000000..334bdfeab
--- /dev/null
+++ b/tools/testing/selftests/bpf/test_tc_tunnel.sh
@@ -0,0 +1,305 @@
+#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
+#
+# In-place tunneling
+
+BPF_FILE="test_tc_tunnel.bpf.o"
+# must match the port that the bpf program filters on
+readonly port=8000
+
+readonly ns_prefix="ns-$$-"
+readonly ns1="${ns_prefix}1"
+readonly ns2="${ns_prefix}2"
+
+readonly ns1_v4=192.168.1.1
+readonly ns2_v4=192.168.1.2
+readonly ns1_v6=fd::1
+readonly ns2_v6=fd::2
+
+# Must match port used by bpf program
+readonly udpport=5555
+# MPLSoverUDP
+readonly mplsudpport=6635
+readonly mplsproto=137
+
+readonly infile="$(mktemp)"
+readonly outfile="$(mktemp)"
+
+setup() {
+	ip netns add "${ns1}"
+	ip netns add "${ns2}"
+
+	ip link add dev veth1 mtu 1500 netns "${ns1}" type veth \
+	      peer name veth2 mtu 1500 netns "${ns2}"
+
+	ip netns exec "${ns1}" ethtool -K veth1 tso off
+
+	ip -netns "${ns1}" link set veth1 up
+	ip -netns "${ns2}" link set veth2 up
+
+	ip -netns "${ns1}" -4 addr add "${ns1_v4}/24" dev veth1
+	ip -netns "${ns2}" -4 addr add "${ns2_v4}/24" dev veth2
+	ip -netns "${ns1}" -6 addr add "${ns1_v6}/64" dev veth1 nodad
+	ip -netns "${ns2}" -6 addr add "${ns2_v6}/64" dev veth2 nodad
+
+	# clamp route to reserve room for tunnel headers
+	ip -netns "${ns1}" -4 route flush table main
+	ip -netns "${ns1}" -6 route flush table main
+	ip -netns "${ns1}" -4 route add "${ns2_v4}" mtu 1450 dev veth1
+	ip -netns "${ns1}" -6 route add "${ns2_v6}" mtu 1430 dev veth1
+
+	sleep 1
+
+	dd if=/dev/urandom of="${infile}" bs="${datalen}" count=1 status=none
+}
+
+cleanup() {
+	ip netns del "${ns2}"
+	ip netns del "${ns1}"
+
+	if [[ -f "${outfile}" ]]; then
+		rm "${outfile}"
+	fi
+	if [[ -f "${infile}" ]]; then
+		rm "${infile}"
+	fi
+
+	if [[ -n $server_pid ]]; then
+		kill $server_pid 2> /dev/null
+	fi
+}
+
+server_listen() {
+	ip netns exec "${ns2}" nc "${netcat_opt}" -l "${port}" > "${outfile}" &
+	server_pid=$!
+	sleep 0.2
+}
+
+client_connect() {
+	ip netns exec "${ns1}" timeout 2 nc "${netcat_opt}" -w 1 "${addr2}" "${port}" < "${infile}"
+	echo $?
+}
+
+verify_data() {
+	wait "${server_pid}"
+	server_pid=
+	# sha1sum returns two fields [sha1] [filepath]
+	# convert to bash array and access first elem
+	insum=($(sha1sum ${infile}))
+	outsum=($(sha1sum ${outfile}))
+	if [[ "${insum[0]}" != "${outsum[0]}" ]]; then
+		echo "data mismatch"
+		exit 1
+	fi
+}
+
+set -e
+
+# no arguments: automated test, run all
+if [[ "$#" -eq "0" ]]; then
+	echo "ipip"
+	$0 ipv4 ipip none 100
+
+	echo "ip6ip6"
+	$0 ipv6 ip6tnl none 100
+
+	echo "sit"
+	$0 ipv6 sit none 100
+
+	echo "ip4 vxlan"
+	$0 ipv4 vxlan eth 2000
+
+	echo "ip6 vxlan"
+	$0 ipv6 ip6vxlan eth 2000
+
+	for mac in none mpls eth ; do
+		echo "ip gre $mac"
+		$0 ipv4 gre $mac 100
+
+		echo "ip6 gre $mac"
+		$0 ipv6 ip6gre $mac 100
+
+		echo "ip gre $mac gso"
+		$0 ipv4 gre $mac 2000
+
+		echo "ip6 gre $mac gso"
+		$0 ipv6 ip6gre $mac 2000
+
+		echo "ip udp $mac"
+		$0 ipv4 udp $mac 100
+
+		echo "ip6 udp $mac"
+		$0 ipv6 ip6udp $mac 100
+
+		echo "ip udp $mac gso"
+		$0 ipv4 udp $mac 2000
+
+		echo "ip6 udp $mac gso"
+		$0 ipv6 ip6udp $mac 2000
+	done
+
+	echo "OK. All tests passed"
+	exit 0
+fi
+
+if [[ "$#" -ne "4" ]]; then
+	echo "Usage: $0"
+	echo "   or: $0 <ipv4|ipv6> <tuntype> <none|mpls|eth> <data_len>"
+	exit 1
+fi
+
+case "$1" in
+"ipv4")
+	readonly addr1="${ns1_v4}"
+	readonly addr2="${ns2_v4}"
+	readonly ipproto=4
+	readonly netcat_opt=-${ipproto}
+	readonly foumod=fou
+	readonly foutype=ipip
+	readonly fouproto=4
+	readonly fouproto_mpls=${mplsproto}
+	readonly gretaptype=gretap
+	;;
+"ipv6")
+	readonly addr1="${ns1_v6}"
+	readonly addr2="${ns2_v6}"
+	readonly ipproto=6
+	readonly netcat_opt=-${ipproto}
+	readonly foumod=fou6
+	readonly foutype=ip6tnl
+	readonly fouproto="41 -6"
+	readonly fouproto_mpls="${mplsproto} -6"
+	readonly gretaptype=ip6gretap
+	;;
+*)
+	echo "unknown arg: $1"
+	exit 1
+	;;
+esac
+
+readonly tuntype=$2
+readonly mac=$3
+readonly datalen=$4
+
+echo "encap ${addr1} to ${addr2}, type ${tuntype}, mac ${mac} len ${datalen}"
+
+trap cleanup EXIT
+
+setup
+
+# basic communication works
+echo "test basic connectivity"
+server_listen
+client_connect
+verify_data
+
+# clientside, insert bpf program to encap all TCP to port ${port}
+# client can no longer connect
+ip netns exec "${ns1}" tc qdisc add dev veth1 clsact
+ip netns exec "${ns1}" tc filter add dev veth1 egress \
+	bpf direct-action object-file ${BPF_FILE} \
+	section "encap_${tuntype}_${mac}"
+echo "test bpf encap without decap (expect failure)"
+server_listen
+! client_connect
+
+if [[ "$tuntype" =~ "udp" ]]; then
+	# Set up fou tunnel.
+	ttype="${foutype}"
+	targs="encap fou encap-sport auto encap-dport $udpport"
+	# fou may be a module; allow this to fail.
+	modprobe "${foumod}" ||true
+	if [[ "$mac" == "mpls" ]]; then
+		dport=${mplsudpport}
+		dproto=${fouproto_mpls}
+		tmode="mode any ttl 255"
+	else
+		dport=${udpport}
+		dproto=${fouproto}
+	fi
+	ip netns exec "${ns2}" ip fou add port $dport ipproto ${dproto}
+	targs="encap fou encap-sport auto encap-dport $dport"
+elif [[ "$tuntype" =~ "gre" && "$mac" == "eth" ]]; then
+	ttype=$gretaptype
+elif [[ "$tuntype" =~ "vxlan" && "$mac" == "eth" ]]; then
+	ttype="vxlan"
+	targs="id 1 dstport 8472 udp6zerocsumrx"
+else
+	ttype=$tuntype
+	targs=""
+fi
+
+# tunnel address family differs from inner for SIT
+if [[ "${tuntype}" == "sit" ]]; then
+	link_addr1="${ns1_v4}"
+	link_addr2="${ns2_v4}"
+else
+	link_addr1="${addr1}"
+	link_addr2="${addr2}"
+fi
+
+# serverside, insert decap module
+# server is still running
+# client can connect again
+ip netns exec "${ns2}" ip link add name testtun0 type "${ttype}" \
+	${tmode} remote "${link_addr1}" local "${link_addr2}" $targs
+
+expect_tun_fail=0
+
+if [[ "$tuntype" == "ip6udp" && "$mac" == "mpls" ]]; then
+	# No support for MPLS IPv6 fou tunnel; expect failure.
+	expect_tun_fail=1
+elif [[ "$tuntype" =~ "udp" && "$mac" == "eth" ]]; then
+	# No support for TEB fou tunnel; expect failure.
+	expect_tun_fail=1
+elif [[ "$tuntype" =~ (gre|vxlan) && "$mac" == "eth" ]]; then
+	# Share ethernet address between tunnel/veth2 so L2 decap works.
+	ethaddr=$(ip netns exec "${ns2}" ip link show veth2 | \
+		  awk '/ether/ { print $2 }')
+	ip netns exec "${ns2}" ip link set testtun0 address $ethaddr
+elif [[ "$mac" == "mpls" ]]; then
+	modprobe mpls_iptunnel ||true
+	modprobe mpls_gso ||true
+	ip netns exec "${ns2}" sysctl -qw net.mpls.platform_labels=65536
+	ip netns exec "${ns2}" ip -f mpls route add 1000 dev lo
+	ip netns exec "${ns2}" ip link set lo up
+	ip netns exec "${ns2}" sysctl -qw net.mpls.conf.testtun0.input=1
+	ip netns exec "${ns2}" sysctl -qw net.ipv4.conf.lo.rp_filter=0
+fi
+
+# Because packets are decapped by the tunnel they arrive on testtun0 from
+# the IP stack perspective.  Ensure reverse path filtering is disabled
+# otherwise we drop the TCP SYN as arriving on testtun0 instead of the
+# expected veth2 (veth2 is where 192.168.1.2 is configured).
+ip netns exec "${ns2}" sysctl -qw net.ipv4.conf.all.rp_filter=0
+# rp needs to be disabled for both all and testtun0 as the rp value is
+# selected as the max of the "all" and device-specific values.
+ip netns exec "${ns2}" sysctl -qw net.ipv4.conf.testtun0.rp_filter=0
+ip netns exec "${ns2}" ip link set dev testtun0 up
+if [[ "$expect_tun_fail" == 1 ]]; then
+	# This tunnel mode is not supported, so we expect failure.
+	echo "test bpf encap with tunnel device decap (expect failure)"
+	! client_connect
+else
+	echo "test bpf encap with tunnel device decap"
+	client_connect
+	verify_data
+	server_listen
+fi
+
+# bpf_skb_net_shrink does not take tunnel flags yet, cannot update L3.
+if [[ "${tuntype}" == "sit" ]]; then
+	echo OK
+	exit 0
+fi
+
+# serverside, use BPF for decap
+ip netns exec "${ns2}" ip link del dev testtun0
+ip netns exec "${ns2}" tc qdisc add dev veth2 clsact
+ip netns exec "${ns2}" tc filter add dev veth2 ingress \
+	bpf direct-action object-file ${BPF_FILE} section decap
+echo "test bpf encap with bpf decap"
+client_connect
+verify_data
+
+echo OK
diff --git a/tools/testing/selftests/bpf/test_tcp_check_syncookie.sh b/tools/testing/selftests/bpf/test_tcp_check_syncookie.sh
new file mode 100755
index 000000000..b42c24282
--- /dev/null
+++ b/tools/testing/selftests/bpf/test_tcp_check_syncookie.sh
@@ -0,0 +1,85 @@
+#!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
+# Copyright (c) 2018 Facebook
+# Copyright (c) 2019 Cloudflare
+
+set -eu
+readonly NS1="ns1-$(mktemp -u XXXXXX)"
+
+wait_for_ip()
+{
+	local _i
+	printf "Wait for IP %s to become available " "$1"
+	for _i in $(seq ${MAX_PING_TRIES}); do
+		printf "."
+		if ns1_exec ping -c 1 -W 1 "$1" >/dev/null 2>&1; then
+			echo " OK"
+			return
+		fi
+		sleep 1
+	done
+	echo 1>&2 "ERROR: Timeout waiting for test IP to become available."
+	exit 1
+}
+
+get_prog_id()
+{
+	awk '/ id / {sub(/.* id /, "", $0); print($1)}'
+}
+
+ns1_exec()
+{
+	ip netns exec ${NS1} "$@"
+}
+
+setup()
+{
+	ip netns add ${NS1}
+	ns1_exec ip link set lo up
+
+	ns1_exec sysctl -w net.ipv4.tcp_syncookies=2
+	ns1_exec sysctl -w net.ipv4.tcp_window_scaling=0
+	ns1_exec sysctl -w net.ipv4.tcp_timestamps=0
+	ns1_exec sysctl -w net.ipv4.tcp_sack=0
+
+	wait_for_ip 127.0.0.1
+	wait_for_ip ::1
+}
+
+cleanup()
+{
+	ip netns del ns1 2>/dev/null || :
+}
+
+main()
+{
+	trap cleanup EXIT 2 3 6 15
+	setup
+
+	printf "Testing clsact..."
+	ns1_exec tc qdisc add dev "${TEST_IF}" clsact
+	ns1_exec tc filter add dev "${TEST_IF}" ingress \
+		bpf obj "${BPF_PROG_OBJ}" sec "${CLSACT_SECTION}" da
+
+	BPF_PROG_ID=$(ns1_exec tc filter show dev "${TEST_IF}" ingress | \
+		      get_prog_id)
+	ns1_exec "${PROG}" "${BPF_PROG_ID}"
+	ns1_exec tc qdisc del dev "${TEST_IF}" clsact
+
+	printf "Testing XDP..."
+	ns1_exec ip link set "${TEST_IF}" xdp \
+		object "${BPF_PROG_OBJ}" section "${XDP_SECTION}"
+	BPF_PROG_ID=$(ns1_exec ip link show "${TEST_IF}" | get_prog_id)
+	ns1_exec "${PROG}" "${BPF_PROG_ID}"
+}
+
+DIR=$(dirname $0)
+TEST_IF=lo
+MAX_PING_TRIES=5
+BPF_PROG_OBJ="${DIR}/test_tcp_check_syncookie_kern.bpf.o"
+CLSACT_SECTION="tc"
+XDP_SECTION="xdp"
+BPF_PROG_ID=0
+PROG="${DIR}/test_tcp_check_syncookie_user"
+
+main
diff --git a/tools/testing/selftests/bpf/test_tcp_check_syncookie_user.c b/tools/testing/selftests/bpf/test_tcp_check_syncookie_user.c
new file mode 100644
index 000000000..5c8ef062f
--- /dev/null
+++ b/tools/testing/selftests/bpf/test_tcp_check_syncookie_user.c
@@ -0,0 +1,299 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (c) 2018 Facebook
+// Copyright (c) 2019 Cloudflare
+
+#include <limits.h>
+#include <string.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+#include <arpa/inet.h>
+#include <netinet/in.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+
+#include <bpf/bpf.h>
+#include <bpf/libbpf.h>
+
+#include "cgroup_helpers.h"
+
+static int start_server(const struct sockaddr *addr, socklen_t len, bool dual)
+{
+	int mode = !dual;
+	int fd;
+
+	fd = socket(addr->sa_family, SOCK_STREAM, 0);
+	if (fd == -1) {
+		log_err("Failed to create server socket");
+		goto out;
+	}
+
+	if (addr->sa_family == AF_INET6) {
+		if (setsockopt(fd, IPPROTO_IPV6, IPV6_V6ONLY, (char *)&mode,
+			       sizeof(mode)) == -1) {
+			log_err("Failed to set the dual-stack mode");
+			goto close_out;
+		}
+	}
+
+	if (bind(fd, addr, len) == -1) {
+		log_err("Failed to bind server socket");
+		goto close_out;
+	}
+
+	if (listen(fd, 128) == -1) {
+		log_err("Failed to listen on server socket");
+		goto close_out;
+	}
+
+	goto out;
+
+close_out:
+	close(fd);
+	fd = -1;
+out:
+	return fd;
+}
+
+static int connect_to_server(const struct sockaddr *addr, socklen_t len)
+{
+	int fd = -1;
+
+	fd = socket(addr->sa_family, SOCK_STREAM, 0);
+	if (fd == -1) {
+		log_err("Failed to create client socket");
+		goto out;
+	}
+
+	if (connect(fd, (const struct sockaddr *)addr, len) == -1) {
+		log_err("Fail to connect to server");
+		goto close_out;
+	}
+
+	goto out;
+
+close_out:
+	close(fd);
+	fd = -1;
+out:
+	return fd;
+}
+
+static int get_map_fd_by_prog_id(int prog_id, bool *xdp)
+{
+	struct bpf_prog_info info = {};
+	__u32 info_len = sizeof(info);
+	__u32 map_ids[1];
+	int prog_fd = -1;
+	int map_fd = -1;
+
+	prog_fd = bpf_prog_get_fd_by_id(prog_id);
+	if (prog_fd < 0) {
+		log_err("Failed to get fd by prog id %d", prog_id);
+		goto err;
+	}
+
+	info.nr_map_ids = 1;
+	info.map_ids = (__u64)(unsigned long)map_ids;
+
+	if (bpf_obj_get_info_by_fd(prog_fd, &info, &info_len)) {
+		log_err("Failed to get info by prog fd %d", prog_fd);
+		goto err;
+	}
+
+	if (!info.nr_map_ids) {
+		log_err("No maps found for prog fd %d", prog_fd);
+		goto err;
+	}
+
+	*xdp = info.type == BPF_PROG_TYPE_XDP;
+
+	map_fd = bpf_map_get_fd_by_id(map_ids[0]);
+	if (map_fd < 0)
+		log_err("Failed to get fd by map id %d", map_ids[0]);
+err:
+	if (prog_fd >= 0)
+		close(prog_fd);
+	return map_fd;
+}
+
+static int run_test(int server_fd, int results_fd, bool xdp,
+		    const struct sockaddr *addr, socklen_t len)
+{
+	int client = -1, srv_client = -1;
+	int ret = 0;
+	__u32 key = 0;
+	__u32 key_gen = 1;
+	__u32 key_mss = 2;
+	__u32 value = 0;
+	__u32 value_gen = 0;
+	__u32 value_mss = 0;
+
+	if (bpf_map_update_elem(results_fd, &key, &value, 0) < 0) {
+		log_err("Can't clear results");
+		goto err;
+	}
+
+	if (bpf_map_update_elem(results_fd, &key_gen, &value_gen, 0) < 0) {
+		log_err("Can't clear results");
+		goto err;
+	}
+
+	if (bpf_map_update_elem(results_fd, &key_mss, &value_mss, 0) < 0) {
+		log_err("Can't clear results");
+		goto err;
+	}
+
+	client = connect_to_server(addr, len);
+	if (client == -1)
+		goto err;
+
+	srv_client = accept(server_fd, NULL, 0);
+	if (srv_client == -1) {
+		log_err("Can't accept connection");
+		goto err;
+	}
+
+	if (bpf_map_lookup_elem(results_fd, &key, &value) < 0) {
+		log_err("Can't lookup result");
+		goto err;
+	}
+
+	if (value == 0) {
+		log_err("Didn't match syncookie: %u", value);
+		goto err;
+	}
+
+	if (bpf_map_lookup_elem(results_fd, &key_gen, &value_gen) < 0) {
+		log_err("Can't lookup result");
+		goto err;
+	}
+
+	if (xdp && value_gen == 0) {
+		// SYN packets do not get passed through generic XDP, skip the
+		// rest of the test.
+		printf("Skipping XDP cookie check\n");
+		goto out;
+	}
+
+	if (bpf_map_lookup_elem(results_fd, &key_mss, &value_mss) < 0) {
+		log_err("Can't lookup result");
+		goto err;
+	}
+
+	if (value != value_gen) {
+		log_err("BPF generated cookie does not match kernel one");
+		goto err;
+	}
+
+	if (value_mss < 536 || value_mss > USHRT_MAX) {
+		log_err("Unexpected MSS retrieved");
+		goto err;
+	}
+
+	goto out;
+
+err:
+	ret = 1;
+out:
+	close(client);
+	close(srv_client);
+	return ret;
+}
+
+static bool get_port(int server_fd, in_port_t *port)
+{
+	struct sockaddr_in addr;
+	socklen_t len = sizeof(addr);
+
+	if (getsockname(server_fd, (struct sockaddr *)&addr, &len)) {
+		log_err("Failed to get server addr");
+		return false;
+	}
+
+	/* sin_port and sin6_port are located at the same offset. */
+	*port = addr.sin_port;
+	return true;
+}
+
+int main(int argc, char **argv)
+{
+	struct sockaddr_in addr4;
+	struct sockaddr_in6 addr6;
+	struct sockaddr_in addr4dual;
+	struct sockaddr_in6 addr6dual;
+	int server = -1;
+	int server_v6 = -1;
+	int server_dual = -1;
+	int results = -1;
+	int err = 0;
+	bool xdp;
+
+	if (argc < 2) {
+		fprintf(stderr, "Usage: %s prog_id\n", argv[0]);
+		exit(1);
+	}
+
+	/* Use libbpf 1.0 API mode */
+	libbpf_set_strict_mode(LIBBPF_STRICT_ALL);
+
+	results = get_map_fd_by_prog_id(atoi(argv[1]), &xdp);
+	if (results < 0) {
+		log_err("Can't get map");
+		goto err;
+	}
+
+	memset(&addr4, 0, sizeof(addr4));
+	addr4.sin_family = AF_INET;
+	addr4.sin_addr.s_addr = htonl(INADDR_LOOPBACK);
+	addr4.sin_port = 0;
+	memcpy(&addr4dual, &addr4, sizeof(addr4dual));
+
+	memset(&addr6, 0, sizeof(addr6));
+	addr6.sin6_family = AF_INET6;
+	addr6.sin6_addr = in6addr_loopback;
+	addr6.sin6_port = 0;
+
+	memset(&addr6dual, 0, sizeof(addr6dual));
+	addr6dual.sin6_family = AF_INET6;
+	addr6dual.sin6_addr = in6addr_any;
+	addr6dual.sin6_port = 0;
+
+	server = start_server((const struct sockaddr *)&addr4, sizeof(addr4),
+			      false);
+	if (server == -1 || !get_port(server, &addr4.sin_port))
+		goto err;
+
+	server_v6 = start_server((const struct sockaddr *)&addr6,
+				 sizeof(addr6), false);
+	if (server_v6 == -1 || !get_port(server_v6, &addr6.sin6_port))
+		goto err;
+
+	server_dual = start_server((const struct sockaddr *)&addr6dual,
+				   sizeof(addr6dual), true);
+	if (server_dual == -1 || !get_port(server_dual, &addr4dual.sin_port))
+		goto err;
+
+	if (run_test(server, results, xdp,
+		     (const struct sockaddr *)&addr4, sizeof(addr4)))
+		goto err;
+
+	if (run_test(server_v6, results, xdp,
+		     (const struct sockaddr *)&addr6, sizeof(addr6)))
+		goto err;
+
+	if (run_test(server_dual, results, xdp,
+		     (const struct sockaddr *)&addr4dual, sizeof(addr4dual)))
+		goto err;
+
+	printf("ok\n");
+	goto out;
+err:
+	err = 1;
+out:
+	close(server);
+	close(server_v6);
+	close(server_dual);
+	close(results);
+	return err;
+}
diff --git a/tools/testing/selftests/bpf/test_tcp_hdr_options.h b/tools/testing/selftests/bpf/test_tcp_hdr_options.h
new file mode 100644
index 000000000..6118e3ab6
--- /dev/null
+++ b/tools/testing/selftests/bpf/test_tcp_hdr_options.h
@@ -0,0 +1,152 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* Copyright (c) 2020 Facebook */
+
+#ifndef _TEST_TCP_HDR_OPTIONS_H
+#define _TEST_TCP_HDR_OPTIONS_H
+
+struct bpf_test_option {
+	__u8 flags;
+	__u8 max_delack_ms;
+	__u8 rand;
+} __attribute__((packed));
+
+enum {
+	OPTION_RESEND,
+	OPTION_MAX_DELACK_MS,
+	OPTION_RAND,
+	__NR_OPTION_FLAGS,
+};
+
+#define OPTION_F_RESEND		(1 << OPTION_RESEND)
+#define OPTION_F_MAX_DELACK_MS	(1 << OPTION_MAX_DELACK_MS)
+#define OPTION_F_RAND		(1 << OPTION_RAND)
+#define OPTION_MASK		((1 << __NR_OPTION_FLAGS) - 1)
+
+#define TEST_OPTION_FLAGS(flags, option) (1 & ((flags) >> (option)))
+#define SET_OPTION_FLAGS(flags, option)	((flags) |= (1 << (option)))
+
+/* Store in bpf_sk_storage */
+struct hdr_stg {
+	bool active;
+	bool resend_syn; /* active side only */
+	bool syncookie;  /* passive side only */
+	bool fastopen;	/* passive side only */
+};
+
+struct linum_err {
+	unsigned int linum;
+	int err;
+};
+
+#define TCPHDR_FIN 0x01
+#define TCPHDR_SYN 0x02
+#define TCPHDR_RST 0x04
+#define TCPHDR_PSH 0x08
+#define TCPHDR_ACK 0x10
+#define TCPHDR_URG 0x20
+#define TCPHDR_ECE 0x40
+#define TCPHDR_CWR 0x80
+#define TCPHDR_SYNACK (TCPHDR_SYN | TCPHDR_ACK)
+
+#define TCPOPT_EOL		0
+#define TCPOPT_NOP		1
+#define TCPOPT_WINDOW		3
+#define TCPOPT_EXP		254
+
+#define TCP_BPF_EXPOPT_BASE_LEN 4
+#define MAX_TCP_HDR_LEN		60
+#define MAX_TCP_OPTION_SPACE	40
+
+#ifdef BPF_PROG_TEST_TCP_HDR_OPTIONS
+
+#define CG_OK	1
+#define CG_ERR	0
+
+#ifndef SOL_TCP
+#define SOL_TCP 6
+#endif
+
+struct tcp_exprm_opt {
+	__u8 kind;
+	__u8 len;
+	__u16 magic;
+	union {
+		__u8 data[4];
+		__u32 data32;
+	};
+} __attribute__((packed));
+
+struct tcp_opt {
+	__u8 kind;
+	__u8 len;
+	union {
+		__u8 data[4];
+		__u32 data32;
+	};
+} __attribute__((packed));
+
+struct {
+	__uint(type, BPF_MAP_TYPE_HASH);
+	__uint(max_entries, 2);
+	__type(key, int);
+	__type(value, struct linum_err);
+} lport_linum_map SEC(".maps");
+
+static inline unsigned int tcp_hdrlen(const struct tcphdr *th)
+{
+	return th->doff << 2;
+}
+
+static inline __u8 skops_tcp_flags(const struct bpf_sock_ops *skops)
+{
+	return skops->skb_tcp_flags;
+}
+
+static inline void clear_hdr_cb_flags(struct bpf_sock_ops *skops)
+{
+	bpf_sock_ops_cb_flags_set(skops,
+				  skops->bpf_sock_ops_cb_flags &
+				  ~(BPF_SOCK_OPS_PARSE_UNKNOWN_HDR_OPT_CB_FLAG |
+				    BPF_SOCK_OPS_WRITE_HDR_OPT_CB_FLAG));
+}
+
+static inline void set_hdr_cb_flags(struct bpf_sock_ops *skops, __u32 extra)
+{
+	bpf_sock_ops_cb_flags_set(skops,
+				  skops->bpf_sock_ops_cb_flags |
+				  BPF_SOCK_OPS_PARSE_UNKNOWN_HDR_OPT_CB_FLAG |
+				  BPF_SOCK_OPS_WRITE_HDR_OPT_CB_FLAG |
+				  extra);
+}
+static inline void
+clear_parse_all_hdr_cb_flags(struct bpf_sock_ops *skops)
+{
+	bpf_sock_ops_cb_flags_set(skops,
+				  skops->bpf_sock_ops_cb_flags &
+				  ~BPF_SOCK_OPS_PARSE_ALL_HDR_OPT_CB_FLAG);
+}
+
+static inline void
+set_parse_all_hdr_cb_flags(struct bpf_sock_ops *skops)
+{
+	bpf_sock_ops_cb_flags_set(skops,
+				  skops->bpf_sock_ops_cb_flags |
+				  BPF_SOCK_OPS_PARSE_ALL_HDR_OPT_CB_FLAG);
+}
+
+#define RET_CG_ERR(__err) ({			\
+	struct linum_err __linum_err;		\
+	int __lport;				\
+						\
+	__linum_err.linum = __LINE__;		\
+	__linum_err.err = __err;		\
+	__lport = skops->local_port;		\
+	bpf_map_update_elem(&lport_linum_map, &__lport, &__linum_err, BPF_NOEXIST); \
+	clear_hdr_cb_flags(skops);					\
+	clear_parse_all_hdr_cb_flags(skops);				\
+	return CG_ERR;							\
+})
+
+#endif /* BPF_PROG_TEST_TCP_HDR_OPTIONS */
+
+#endif /* _TEST_TCP_HDR_OPTIONS_H */
diff --git a/tools/testing/selftests/bpf/test_tcpbpf.h b/tools/testing/selftests/bpf/test_tcpbpf.h
new file mode 100644
index 000000000..9dd9b5590
--- /dev/null
+++ b/tools/testing/selftests/bpf/test_tcpbpf.h
@@ -0,0 +1,22 @@
+// SPDX-License-Identifier: GPL-2.0
+
+#ifndef _TEST_TCPBPF_H
+#define _TEST_TCPBPF_H
+
+struct tcpbpf_globals {
+	__u32 event_map;
+	__u32 total_retrans;
+	__u32 data_segs_in;
+	__u32 data_segs_out;
+	__u32 bad_cb_test_rv;
+	__u32 good_cb_test_rv;
+	__u64 bytes_received;
+	__u64 bytes_acked;
+	__u32 num_listen;
+	__u32 num_close_events;
+	__u32 tcp_save_syn;
+	__u32 tcp_saved_syn;
+	__u32 window_clamp_client;
+	__u32 window_clamp_server;
+};
+#endif
diff --git a/tools/testing/selftests/bpf/test_tcpnotify.h b/tools/testing/selftests/bpf/test_tcpnotify.h
new file mode 100644
index 000000000..8b6cea030
--- /dev/null
+++ b/tools/testing/selftests/bpf/test_tcpnotify.h
@@ -0,0 +1,19 @@
+// SPDX-License-Identifier: GPL-2.0
+
+#ifndef _TEST_TCPBPF_H
+#define _TEST_TCPBPF_H
+
+struct tcpnotify_globals {
+	__u32 total_retrans;
+	__u32 ncalls;
+};
+
+struct tcp_notifier {
+	__u8    type;
+	__u8    subtype;
+	__u8    source;
+	__u8    hash;
+};
+
+#define	TESTPORT	12877
+#endif
diff --git a/tools/testing/selftests/bpf/test_tcpnotify_user.c b/tools/testing/selftests/bpf/test_tcpnotify_user.c
new file mode 100644
index 000000000..595194453
--- /dev/null
+++ b/tools/testing/selftests/bpf/test_tcpnotify_user.c
@@ -0,0 +1,168 @@
+// SPDX-License-Identifier: GPL-2.0
+#define _GNU_SOURCE
+#include <pthread.h>
+#include <inttypes.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <asm/types.h>
+#include <sys/syscall.h>
+#include <errno.h>
+#include <string.h>
+#include <linux/bpf.h>
+#include <sys/socket.h>
+#include <bpf/bpf.h>
+#include <bpf/libbpf.h>
+#include <sys/ioctl.h>
+#include <linux/rtnetlink.h>
+#include <signal.h>
+#include <linux/perf_event.h>
+#include <linux/err.h>
+
+#include "bpf_util.h"
+#include "cgroup_helpers.h"
+
+#include "test_tcpnotify.h"
+#include "trace_helpers.h"
+#include "testing_helpers.h"
+
+#define SOCKET_BUFFER_SIZE (getpagesize() < 8192L ? getpagesize() : 8192L)
+
+pthread_t tid;
+int rx_callbacks;
+
+static void dummyfn(void *ctx, int cpu, void *data, __u32 size)
+{
+	struct tcp_notifier *t = data;
+
+	if (t->type != 0xde || t->subtype != 0xad ||
+	    t->source != 0xbe || t->hash != 0xef)
+		return;
+	rx_callbacks++;
+}
+
+void tcp_notifier_poller(struct perf_buffer *pb)
+{
+	int err;
+
+	while (1) {
+		err = perf_buffer__poll(pb, 100);
+		if (err < 0 && err != -EINTR) {
+			printf("failed perf_buffer__poll: %d\n", err);
+			return;
+		}
+	}
+}
+
+static void *poller_thread(void *arg)
+{
+	struct perf_buffer *pb = arg;
+
+	tcp_notifier_poller(pb);
+	return arg;
+}
+
+int verify_result(const struct tcpnotify_globals *result)
+{
+	return (result->ncalls > 0 && result->ncalls == rx_callbacks ? 0 : 1);
+}
+
+int main(int argc, char **argv)
+{
+	const char *file = "test_tcpnotify_kern.bpf.o";
+	struct bpf_map *perf_map, *global_map;
+	struct tcpnotify_globals g = {0};
+	struct perf_buffer *pb = NULL;
+	const char *cg_path = "/foo";
+	int prog_fd, rv, cg_fd = -1;
+	int error = EXIT_FAILURE;
+	struct bpf_object *obj;
+	char test_script[80];
+	cpu_set_t cpuset;
+	__u32 key = 0;
+
+	libbpf_set_strict_mode(LIBBPF_STRICT_ALL);
+
+	CPU_ZERO(&cpuset);
+	CPU_SET(0, &cpuset);
+	pthread_setaffinity_np(pthread_self(), sizeof(cpu_set_t), &cpuset);
+
+	cg_fd = cgroup_setup_and_join(cg_path);
+	if (cg_fd < 0)
+		goto err;
+
+	if (bpf_prog_test_load(file, BPF_PROG_TYPE_SOCK_OPS, &obj, &prog_fd)) {
+		printf("FAILED: load_bpf_file failed for: %s\n", file);
+		goto err;
+	}
+
+	rv = bpf_prog_attach(prog_fd, cg_fd, BPF_CGROUP_SOCK_OPS, 0);
+	if (rv) {
+		printf("FAILED: bpf_prog_attach: %d (%s)\n",
+		       error, strerror(errno));
+		goto err;
+	}
+
+	perf_map = bpf_object__find_map_by_name(obj, "perf_event_map");
+	if (!perf_map) {
+		printf("FAIL:map '%s' not found\n", "perf_event_map");
+		goto err;
+	}
+
+	global_map = bpf_object__find_map_by_name(obj, "global_map");
+	if (!global_map) {
+		printf("FAIL:map '%s' not found\n", "global_map");
+		return -1;
+	}
+
+	pb = perf_buffer__new(bpf_map__fd(perf_map), 8, dummyfn, NULL, NULL, NULL);
+	if (!pb)
+		goto err;
+
+	pthread_create(&tid, NULL, poller_thread, pb);
+
+	sprintf(test_script,
+		"iptables -A INPUT -p tcp --dport %d -j DROP",
+		TESTPORT);
+	if (system(test_script)) {
+		printf("FAILED: execute command: %s, err %d\n", test_script, -errno);
+		goto err;
+	}
+
+	sprintf(test_script,
+		"nc 127.0.0.1 %d < /etc/passwd > /dev/null 2>&1 ",
+		TESTPORT);
+	if (system(test_script))
+		printf("execute command: %s, err %d\n", test_script, -errno);
+
+	sprintf(test_script,
+		"iptables -D INPUT -p tcp --dport %d -j DROP",
+		TESTPORT);
+	if (system(test_script)) {
+		printf("FAILED: execute command: %s, err %d\n", test_script, -errno);
+		goto err;
+	}
+
+	rv = bpf_map_lookup_elem(bpf_map__fd(global_map), &key, &g);
+	if (rv != 0) {
+		printf("FAILED: bpf_map_lookup_elem returns %d\n", rv);
+		goto err;
+	}
+
+	sleep(10);
+
+	if (verify_result(&g)) {
+		printf("FAILED: Wrong stats Expected %d calls, got %d\n",
+			g.ncalls, rx_callbacks);
+		goto err;
+	}
+
+	printf("PASSED!\n");
+	error = 0;
+err:
+	bpf_prog_detach(cg_fd, BPF_CGROUP_SOCK_OPS);
+	close(cg_fd);
+	cleanup_cgroup_environment();
+	perf_buffer__free(pb);
+	return error;
+}
diff --git a/tools/testing/selftests/bpf/test_tunnel.sh b/tools/testing/selftests/bpf/test_tunnel.sh
new file mode 100755
index 000000000..2eaedc1d9
--- /dev/null
+++ b/tools/testing/selftests/bpf/test_tunnel.sh
@@ -0,0 +1,698 @@
+#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
+
+# End-to-end eBPF tunnel test suite
+#   The script tests BPF network tunnel implementation.
+#
+# Topology:
+# ---------
+#     root namespace   |     at_ns0 namespace
+#                      |
+#      -----------     |     -----------
+#      | tnl dev |     |     | tnl dev |  (overlay network)
+#      -----------     |     -----------
+#      metadata-mode   |     native-mode
+#       with bpf       |
+#                      |
+#      ----------      |     ----------
+#      |  veth1  | --------- |  veth0  |  (underlay network)
+#      ----------    peer    ----------
+#
+#
+# Device Configuration
+# --------------------
+# Root namespace with metadata-mode tunnel + BPF
+# Device names and addresses:
+# 	veth1 IP: 172.16.1.200, IPv6: 00::22 (underlay)
+# 	tunnel dev <type>11, ex: gre11, IPv4: 10.1.1.200, IPv6: 1::22 (overlay)
+#
+# Namespace at_ns0 with native tunnel
+# Device names and addresses:
+# 	veth0 IPv4: 172.16.1.100, IPv6: 00::11 (underlay)
+# 	tunnel dev <type>00, ex: gre00, IPv4: 10.1.1.100, IPv6: 1::11 (overlay)
+#
+#
+# End-to-end ping packet flow
+# ---------------------------
+# Most of the tests start by namespace creation, device configuration,
+# then ping the underlay and overlay network.  When doing 'ping 10.1.1.100'
+# from root namespace, the following operations happen:
+# 1) Route lookup shows 10.1.1.100/24 belongs to tnl dev, fwd to tnl dev.
+# 2) Tnl device's egress BPF program is triggered and set the tunnel metadata,
+#    with remote_ip=172.16.1.100 and others.
+# 3) Outer tunnel header is prepended and route the packet to veth1's egress
+# 4) veth0's ingress queue receive the tunneled packet at namespace at_ns0
+# 5) Tunnel protocol handler, ex: vxlan_rcv, decap the packet
+# 6) Forward the packet to the overlay tnl dev
+
+BPF_FILE="test_tunnel_kern.bpf.o"
+BPF_PIN_TUNNEL_DIR="/sys/fs/bpf/tc/tunnel"
+PING_ARG="-c 3 -w 10 -q"
+ret=0
+GREEN='\033[0;92m'
+RED='\033[0;31m'
+NC='\033[0m' # No Color
+
+config_device()
+{
+	ip netns add at_ns0
+	ip link add veth0 type veth peer name veth1
+	ip link set veth0 netns at_ns0
+	ip netns exec at_ns0 ip addr add 172.16.1.100/24 dev veth0
+	ip netns exec at_ns0 ip link set dev veth0 up
+	ip link set dev veth1 up mtu 1500
+	ip addr add dev veth1 172.16.1.200/24
+}
+
+add_gre_tunnel()
+{
+	# at_ns0 namespace
+	ip netns exec at_ns0 \
+        ip link add dev $DEV_NS type $TYPE seq key 2 \
+		local 172.16.1.100 remote 172.16.1.200
+	ip netns exec at_ns0 ip link set dev $DEV_NS up
+	ip netns exec at_ns0 ip addr add dev $DEV_NS 10.1.1.100/24
+
+	# root namespace
+	ip link add dev $DEV type $TYPE key 2 external
+	ip link set dev $DEV up
+	ip addr add dev $DEV 10.1.1.200/24
+}
+
+add_ip6gretap_tunnel()
+{
+
+	# assign ipv6 address
+	ip netns exec at_ns0 ip addr add ::11/96 dev veth0
+	ip netns exec at_ns0 ip link set dev veth0 up
+	ip addr add dev veth1 ::22/96
+	ip link set dev veth1 up
+
+	# at_ns0 namespace
+	ip netns exec at_ns0 \
+		ip link add dev $DEV_NS type $TYPE seq flowlabel 0xbcdef key 2 \
+		local ::11 remote ::22
+
+	ip netns exec at_ns0 ip addr add dev $DEV_NS 10.1.1.100/24
+	ip netns exec at_ns0 ip addr add dev $DEV_NS fc80::100/96
+	ip netns exec at_ns0 ip link set dev $DEV_NS up
+
+	# root namespace
+	ip link add dev $DEV type $TYPE external
+	ip addr add dev $DEV 10.1.1.200/24
+	ip addr add dev $DEV fc80::200/24
+	ip link set dev $DEV up
+}
+
+add_erspan_tunnel()
+{
+	# at_ns0 namespace
+	if [ "$1" == "v1" ]; then
+		ip netns exec at_ns0 \
+		ip link add dev $DEV_NS type $TYPE seq key 2 \
+		local 172.16.1.100 remote 172.16.1.200 \
+		erspan_ver 1 erspan 123
+	else
+		ip netns exec at_ns0 \
+		ip link add dev $DEV_NS type $TYPE seq key 2 \
+		local 172.16.1.100 remote 172.16.1.200 \
+		erspan_ver 2 erspan_dir egress erspan_hwid 3
+	fi
+	ip netns exec at_ns0 ip link set dev $DEV_NS up
+	ip netns exec at_ns0 ip addr add dev $DEV_NS 10.1.1.100/24
+
+	# root namespace
+	ip link add dev $DEV type $TYPE external
+	ip link set dev $DEV up
+	ip addr add dev $DEV 10.1.1.200/24
+}
+
+add_ip6erspan_tunnel()
+{
+
+	# assign ipv6 address
+	ip netns exec at_ns0 ip addr add ::11/96 dev veth0
+	ip netns exec at_ns0 ip link set dev veth0 up
+	ip addr add dev veth1 ::22/96
+	ip link set dev veth1 up
+
+	# at_ns0 namespace
+	if [ "$1" == "v1" ]; then
+		ip netns exec at_ns0 \
+		ip link add dev $DEV_NS type $TYPE seq key 2 \
+		local ::11 remote ::22 \
+		erspan_ver 1 erspan 123
+	else
+		ip netns exec at_ns0 \
+		ip link add dev $DEV_NS type $TYPE seq key 2 \
+		local ::11 remote ::22 \
+		erspan_ver 2 erspan_dir egress erspan_hwid 7
+	fi
+	ip netns exec at_ns0 ip addr add dev $DEV_NS 10.1.1.100/24
+	ip netns exec at_ns0 ip link set dev $DEV_NS up
+
+	# root namespace
+	ip link add dev $DEV type $TYPE external
+	ip addr add dev $DEV 10.1.1.200/24
+	ip link set dev $DEV up
+}
+
+add_geneve_tunnel()
+{
+	# at_ns0 namespace
+	ip netns exec at_ns0 \
+		ip link add dev $DEV_NS type $TYPE \
+		id 2 dstport 6081 remote 172.16.1.200
+	ip netns exec at_ns0 ip link set dev $DEV_NS up
+	ip netns exec at_ns0 ip addr add dev $DEV_NS 10.1.1.100/24
+
+	# root namespace
+	ip link add dev $DEV type $TYPE dstport 6081 external
+	ip link set dev $DEV up
+	ip addr add dev $DEV 10.1.1.200/24
+}
+
+add_ip6geneve_tunnel()
+{
+	ip netns exec at_ns0 ip addr add ::11/96 dev veth0
+	ip netns exec at_ns0 ip link set dev veth0 up
+	ip addr add dev veth1 ::22/96
+	ip link set dev veth1 up
+
+	# at_ns0 namespace
+	ip netns exec at_ns0 \
+		ip link add dev $DEV_NS type $TYPE id 22 \
+		remote ::22     # geneve has no local option
+	ip netns exec at_ns0 ip addr add dev $DEV_NS 10.1.1.100/24
+	ip netns exec at_ns0 ip link set dev $DEV_NS up
+
+	# root namespace
+	ip link add dev $DEV type $TYPE external
+	ip addr add dev $DEV 10.1.1.200/24
+	ip link set dev $DEV up
+}
+
+add_ipip_tunnel()
+{
+	# at_ns0 namespace
+	ip netns exec at_ns0 \
+		ip link add dev $DEV_NS type $TYPE \
+		local 172.16.1.100 remote 172.16.1.200
+	ip netns exec at_ns0 ip link set dev $DEV_NS up
+	ip netns exec at_ns0 ip addr add dev $DEV_NS 10.1.1.100/24
+
+	# root namespace
+	ip link add dev $DEV type $TYPE external
+	ip link set dev $DEV up
+	ip addr add dev $DEV 10.1.1.200/24
+}
+
+add_ip6tnl_tunnel()
+{
+	ip netns exec at_ns0 ip addr add ::11/96 dev veth0
+	ip netns exec at_ns0 ip link set dev veth0 up
+	ip addr add dev veth1 ::22/96
+	ip link set dev veth1 up
+
+	# at_ns0 namespace
+	ip netns exec at_ns0 \
+		ip link add dev $DEV_NS type $TYPE \
+		local ::11 remote ::22
+	ip netns exec at_ns0 ip addr add dev $DEV_NS 10.1.1.100/24
+	ip netns exec at_ns0 ip addr add dev $DEV_NS 1::11/96
+	ip netns exec at_ns0 ip link set dev $DEV_NS up
+
+	# root namespace
+	ip link add dev $DEV type $TYPE external
+	ip addr add dev $DEV 10.1.1.200/24
+	ip addr add dev $DEV 1::22/96
+	ip link set dev $DEV up
+}
+
+test_gre()
+{
+	TYPE=gretap
+	DEV_NS=gretap00
+	DEV=gretap11
+	ret=0
+
+	check $TYPE
+	config_device
+	add_gre_tunnel
+	attach_bpf $DEV gre_set_tunnel gre_get_tunnel
+	ping $PING_ARG 10.1.1.100
+	check_err $?
+	ip netns exec at_ns0 ping $PING_ARG 10.1.1.200
+	check_err $?
+	cleanup
+
+        if [ $ret -ne 0 ]; then
+                echo -e ${RED}"FAIL: $TYPE"${NC}
+                return 1
+        fi
+        echo -e ${GREEN}"PASS: $TYPE"${NC}
+}
+
+test_ip6gre()
+{
+	TYPE=ip6gre
+	DEV_NS=ip6gre00
+	DEV=ip6gre11
+	ret=0
+
+	check $TYPE
+	config_device
+	# reuse the ip6gretap function
+	add_ip6gretap_tunnel
+	attach_bpf $DEV ip6gretap_set_tunnel ip6gretap_get_tunnel
+	# underlay
+	ping6 $PING_ARG ::11
+	# overlay: ipv4 over ipv6
+	ip netns exec at_ns0 ping $PING_ARG 10.1.1.200
+	ping $PING_ARG 10.1.1.100
+	check_err $?
+	# overlay: ipv6 over ipv6
+	ip netns exec at_ns0 ping6 $PING_ARG fc80::200
+	check_err $?
+	cleanup
+
+        if [ $ret -ne 0 ]; then
+                echo -e ${RED}"FAIL: $TYPE"${NC}
+                return 1
+        fi
+        echo -e ${GREEN}"PASS: $TYPE"${NC}
+}
+
+test_ip6gretap()
+{
+	TYPE=ip6gretap
+	DEV_NS=ip6gretap00
+	DEV=ip6gretap11
+	ret=0
+
+	check $TYPE
+	config_device
+	add_ip6gretap_tunnel
+	attach_bpf $DEV ip6gretap_set_tunnel ip6gretap_get_tunnel
+	# underlay
+	ping6 $PING_ARG ::11
+	# overlay: ipv4 over ipv6
+	ip netns exec at_ns0 ping $PING_ARG 10.1.1.200
+	ping $PING_ARG 10.1.1.100
+	check_err $?
+	# overlay: ipv6 over ipv6
+	ip netns exec at_ns0 ping6 $PING_ARG fc80::200
+	check_err $?
+	cleanup
+
+	if [ $ret -ne 0 ]; then
+                echo -e ${RED}"FAIL: $TYPE"${NC}
+                return 1
+        fi
+        echo -e ${GREEN}"PASS: $TYPE"${NC}
+}
+
+test_erspan()
+{
+	TYPE=erspan
+	DEV_NS=erspan00
+	DEV=erspan11
+	ret=0
+
+	check $TYPE
+	config_device
+	add_erspan_tunnel $1
+	attach_bpf $DEV erspan_set_tunnel erspan_get_tunnel
+	ping $PING_ARG 10.1.1.100
+	check_err $?
+	ip netns exec at_ns0 ping $PING_ARG 10.1.1.200
+	check_err $?
+	cleanup
+
+	if [ $ret -ne 0 ]; then
+                echo -e ${RED}"FAIL: $TYPE"${NC}
+                return 1
+        fi
+        echo -e ${GREEN}"PASS: $TYPE"${NC}
+}
+
+test_ip6erspan()
+{
+	TYPE=ip6erspan
+	DEV_NS=ip6erspan00
+	DEV=ip6erspan11
+	ret=0
+
+	check $TYPE
+	config_device
+	add_ip6erspan_tunnel $1
+	attach_bpf $DEV ip4ip6erspan_set_tunnel ip4ip6erspan_get_tunnel
+	ping6 $PING_ARG ::11
+	ip netns exec at_ns0 ping $PING_ARG 10.1.1.200
+	check_err $?
+	cleanup
+
+	if [ $ret -ne 0 ]; then
+                echo -e ${RED}"FAIL: $TYPE"${NC}
+                return 1
+        fi
+        echo -e ${GREEN}"PASS: $TYPE"${NC}
+}
+
+test_geneve()
+{
+	TYPE=geneve
+	DEV_NS=geneve00
+	DEV=geneve11
+	ret=0
+
+	check $TYPE
+	config_device
+	add_geneve_tunnel
+	attach_bpf $DEV geneve_set_tunnel geneve_get_tunnel
+	ping $PING_ARG 10.1.1.100
+	check_err $?
+	ip netns exec at_ns0 ping $PING_ARG 10.1.1.200
+	check_err $?
+	cleanup
+
+	if [ $ret -ne 0 ]; then
+                echo -e ${RED}"FAIL: $TYPE"${NC}
+                return 1
+        fi
+        echo -e ${GREEN}"PASS: $TYPE"${NC}
+}
+
+test_ip6geneve()
+{
+	TYPE=geneve
+	DEV_NS=ip6geneve00
+	DEV=ip6geneve11
+	ret=0
+
+	check $TYPE
+	config_device
+	add_ip6geneve_tunnel
+	attach_bpf $DEV ip6geneve_set_tunnel ip6geneve_get_tunnel
+	ping $PING_ARG 10.1.1.100
+	check_err $?
+	ip netns exec at_ns0 ping $PING_ARG 10.1.1.200
+	check_err $?
+	cleanup
+
+	if [ $ret -ne 0 ]; then
+                echo -e ${RED}"FAIL: ip6$TYPE"${NC}
+                return 1
+        fi
+        echo -e ${GREEN}"PASS: ip6$TYPE"${NC}
+}
+
+test_ipip()
+{
+	TYPE=ipip
+	DEV_NS=ipip00
+	DEV=ipip11
+	ret=0
+
+	check $TYPE
+	config_device
+	add_ipip_tunnel
+	ip link set dev veth1 mtu 1500
+	attach_bpf $DEV ipip_set_tunnel ipip_get_tunnel
+	ping $PING_ARG 10.1.1.100
+	check_err $?
+	ip netns exec at_ns0 ping $PING_ARG 10.1.1.200
+	check_err $?
+	cleanup
+
+	if [ $ret -ne 0 ]; then
+                echo -e ${RED}"FAIL: $TYPE"${NC}
+                return 1
+        fi
+        echo -e ${GREEN}"PASS: $TYPE"${NC}
+}
+
+test_ipip6()
+{
+	TYPE=ip6tnl
+	DEV_NS=ipip6tnl00
+	DEV=ipip6tnl11
+	ret=0
+
+	check $TYPE
+	config_device
+	add_ip6tnl_tunnel
+	ip link set dev veth1 mtu 1500
+	attach_bpf $DEV ipip6_set_tunnel ipip6_get_tunnel
+	# underlay
+	ping6 $PING_ARG ::11
+	# ip4 over ip6
+	ping $PING_ARG 10.1.1.100
+	check_err $?
+	ip netns exec at_ns0 ping $PING_ARG 10.1.1.200
+	check_err $?
+	cleanup
+
+	if [ $ret -ne 0 ]; then
+                echo -e ${RED}"FAIL: $TYPE"${NC}
+                return 1
+        fi
+        echo -e ${GREEN}"PASS: $TYPE"${NC}
+}
+
+test_ip6ip6()
+{
+	TYPE=ip6tnl
+	DEV_NS=ip6ip6tnl00
+	DEV=ip6ip6tnl11
+	ret=0
+
+	check $TYPE
+	config_device
+	add_ip6tnl_tunnel
+	ip link set dev veth1 mtu 1500
+	attach_bpf $DEV ip6ip6_set_tunnel ip6ip6_get_tunnel
+	# underlay
+	ping6 $PING_ARG ::11
+	# ip6 over ip6
+	ping6 $PING_ARG 1::11
+	check_err $?
+	ip netns exec at_ns0 ping6 $PING_ARG 1::22
+	check_err $?
+	cleanup
+
+	if [ $ret -ne 0 ]; then
+                echo -e ${RED}"FAIL: ip6$TYPE"${NC}
+                return 1
+        fi
+        echo -e ${GREEN}"PASS: ip6$TYPE"${NC}
+}
+
+setup_xfrm_tunnel()
+{
+	auth=0x$(printf '1%.0s' {1..40})
+	enc=0x$(printf '2%.0s' {1..32})
+	spi_in_to_out=0x1
+	spi_out_to_in=0x2
+	# at_ns0 namespace
+	# at_ns0 -> root
+	ip netns exec at_ns0 \
+		ip xfrm state add src 172.16.1.100 dst 172.16.1.200 proto esp \
+			spi $spi_in_to_out reqid 1 mode tunnel \
+			auth-trunc 'hmac(sha1)' $auth 96 enc 'cbc(aes)' $enc
+	ip netns exec at_ns0 \
+		ip xfrm policy add src 10.1.1.100/32 dst 10.1.1.200/32 dir out \
+		tmpl src 172.16.1.100 dst 172.16.1.200 proto esp reqid 1 \
+		mode tunnel
+	# root -> at_ns0
+	ip netns exec at_ns0 \
+		ip xfrm state add src 172.16.1.200 dst 172.16.1.100 proto esp \
+			spi $spi_out_to_in reqid 2 mode tunnel \
+			auth-trunc 'hmac(sha1)' $auth 96 enc 'cbc(aes)' $enc
+	ip netns exec at_ns0 \
+		ip xfrm policy add src 10.1.1.200/32 dst 10.1.1.100/32 dir in \
+		tmpl src 172.16.1.200 dst 172.16.1.100 proto esp reqid 2 \
+		mode tunnel
+	# address & route
+	ip netns exec at_ns0 \
+		ip addr add dev veth0 10.1.1.100/32
+	ip netns exec at_ns0 \
+		ip route add 10.1.1.200 dev veth0 via 172.16.1.200 \
+			src 10.1.1.100
+
+	# root namespace
+	# at_ns0 -> root
+	ip xfrm state add src 172.16.1.100 dst 172.16.1.200 proto esp \
+		spi $spi_in_to_out reqid 1 mode tunnel \
+		auth-trunc 'hmac(sha1)' $auth 96  enc 'cbc(aes)' $enc
+	ip xfrm policy add src 10.1.1.100/32 dst 10.1.1.200/32 dir in \
+		tmpl src 172.16.1.100 dst 172.16.1.200 proto esp reqid 1 \
+		mode tunnel
+	# root -> at_ns0
+	ip xfrm state add src 172.16.1.200 dst 172.16.1.100 proto esp \
+		spi $spi_out_to_in reqid 2 mode tunnel \
+		auth-trunc 'hmac(sha1)' $auth 96  enc 'cbc(aes)' $enc
+	ip xfrm policy add src 10.1.1.200/32 dst 10.1.1.100/32 dir out \
+		tmpl src 172.16.1.200 dst 172.16.1.100 proto esp reqid 2 \
+		mode tunnel
+	# address & route
+	ip addr add dev veth1 10.1.1.200/32
+	ip route add 10.1.1.100 dev veth1 via 172.16.1.100 src 10.1.1.200
+}
+
+test_xfrm_tunnel()
+{
+	config_device
+	> /sys/kernel/debug/tracing/trace
+	setup_xfrm_tunnel
+	mkdir -p ${BPF_PIN_TUNNEL_DIR}
+	bpftool prog loadall ${BPF_FILE} ${BPF_PIN_TUNNEL_DIR}
+	tc qdisc add dev veth1 clsact
+	tc filter add dev veth1 proto ip ingress bpf da object-pinned \
+		${BPF_PIN_TUNNEL_DIR}/xfrm_get_state
+	ip netns exec at_ns0 ping $PING_ARG 10.1.1.200
+	sleep 1
+	grep "reqid 1" /sys/kernel/debug/tracing/trace
+	check_err $?
+	grep "spi 0x1" /sys/kernel/debug/tracing/trace
+	check_err $?
+	grep "remote ip 0xac100164" /sys/kernel/debug/tracing/trace
+	check_err $?
+	cleanup
+
+	if [ $ret -ne 0 ]; then
+		echo -e ${RED}"FAIL: xfrm tunnel"${NC}
+		return 1
+	fi
+	echo -e ${GREEN}"PASS: xfrm tunnel"${NC}
+}
+
+attach_bpf()
+{
+	DEV=$1
+	SET=$2
+	GET=$3
+	mkdir -p ${BPF_PIN_TUNNEL_DIR}
+	bpftool prog loadall ${BPF_FILE} ${BPF_PIN_TUNNEL_DIR}/
+	tc qdisc add dev $DEV clsact
+	tc filter add dev $DEV egress bpf da object-pinned ${BPF_PIN_TUNNEL_DIR}/$SET
+	tc filter add dev $DEV ingress bpf da object-pinned ${BPF_PIN_TUNNEL_DIR}/$GET
+}
+
+cleanup()
+{
+        rm -rf ${BPF_PIN_TUNNEL_DIR}
+
+	ip netns delete at_ns0 2> /dev/null
+	ip link del veth1 2> /dev/null
+	ip link del ipip11 2> /dev/null
+	ip link del ipip6tnl11 2> /dev/null
+	ip link del ip6ip6tnl11 2> /dev/null
+	ip link del gretap11 2> /dev/null
+	ip link del ip6gre11 2> /dev/null
+	ip link del ip6gretap11 2> /dev/null
+	ip link del geneve11 2> /dev/null
+	ip link del ip6geneve11 2> /dev/null
+	ip link del erspan11 2> /dev/null
+	ip link del ip6erspan11 2> /dev/null
+	ip xfrm policy delete dir out src 10.1.1.200/32 dst 10.1.1.100/32 2> /dev/null
+	ip xfrm policy delete dir in src 10.1.1.100/32 dst 10.1.1.200/32 2> /dev/null
+	ip xfrm state delete src 172.16.1.100 dst 172.16.1.200 proto esp spi 0x1 2> /dev/null
+	ip xfrm state delete src 172.16.1.200 dst 172.16.1.100 proto esp spi 0x2 2> /dev/null
+}
+
+cleanup_exit()
+{
+	echo "CATCH SIGKILL or SIGINT, cleanup and exit"
+	cleanup
+	exit 0
+}
+
+check()
+{
+	ip link help 2>&1 | grep -q "\s$1\s"
+	if [ $? -ne 0 ];then
+		echo "SKIP $1: iproute2 not support"
+	cleanup
+	return 1
+	fi
+}
+
+enable_debug()
+{
+	echo 'file ip_gre.c +p' > /sys/kernel/debug/dynamic_debug/control
+	echo 'file ip6_gre.c +p' > /sys/kernel/debug/dynamic_debug/control
+	echo 'file geneve.c +p' > /sys/kernel/debug/dynamic_debug/control
+	echo 'file ipip.c +p' > /sys/kernel/debug/dynamic_debug/control
+}
+
+check_err()
+{
+	if [ $ret -eq 0 ]; then
+		ret=$1
+	fi
+}
+
+bpf_tunnel_test()
+{
+	local errors=0
+
+	echo "Testing GRE tunnel..."
+	test_gre
+	errors=$(( $errors + $? ))
+
+	echo "Testing IP6GRE tunnel..."
+	test_ip6gre
+	errors=$(( $errors + $? ))
+
+	echo "Testing IP6GRETAP tunnel..."
+	test_ip6gretap
+	errors=$(( $errors + $? ))
+
+	echo "Testing ERSPAN tunnel..."
+	test_erspan v2
+	errors=$(( $errors + $? ))
+
+	echo "Testing IP6ERSPAN tunnel..."
+	test_ip6erspan v2
+	errors=$(( $errors + $? ))
+
+	echo "Testing GENEVE tunnel..."
+	test_geneve
+	errors=$(( $errors + $? ))
+
+	echo "Testing IP6GENEVE tunnel..."
+	test_ip6geneve
+	errors=$(( $errors + $? ))
+
+	echo "Testing IPIP tunnel..."
+	test_ipip
+	errors=$(( $errors + $? ))
+
+	echo "Testing IPIP6 tunnel..."
+	test_ipip6
+	errors=$(( $errors + $? ))
+
+	echo "Testing IP6IP6 tunnel..."
+	test_ip6ip6
+	errors=$(( $errors + $? ))
+
+	echo "Testing IPSec tunnel..."
+	test_xfrm_tunnel
+	errors=$(( $errors + $? ))
+
+	return $errors
+}
+
+trap cleanup 0 3 6
+trap cleanup_exit 2 9
+
+cleanup
+bpf_tunnel_test
+
+if [ $? -ne 0 ]; then
+	echo -e "$(basename $0): ${RED}FAIL${NC}"
+	exit 1
+fi
+echo -e "$(basename $0): ${GREEN}PASS${NC}"
+exit 0
diff --git a/tools/testing/selftests/bpf/test_verifier.c b/tools/testing/selftests/bpf/test_verifier.c
new file mode 100644
index 000000000..b605a70d4
--- /dev/null
+++ b/tools/testing/selftests/bpf/test_verifier.c
@@ -0,0 +1,1781 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Testsuite for eBPF verifier
+ *
+ * Copyright (c) 2014 PLUMgrid, http://plumgrid.com
+ * Copyright (c) 2017 Facebook
+ * Copyright (c) 2018 Covalent IO, Inc. http://covalent.io
+ */
+
+#include <endian.h>
+#include <asm/types.h>
+#include <linux/types.h>
+#include <stdint.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <errno.h>
+#include <string.h>
+#include <stddef.h>
+#include <stdbool.h>
+#include <sched.h>
+#include <limits.h>
+#include <assert.h>
+
+#include <linux/unistd.h>
+#include <linux/filter.h>
+#include <linux/bpf_perf_event.h>
+#include <linux/bpf.h>
+#include <linux/if_ether.h>
+#include <linux/btf.h>
+
+#include <bpf/btf.h>
+#include <bpf/bpf.h>
+#include <bpf/libbpf.h>
+
+#ifdef HAVE_GENHDR
+# include "autoconf.h"
+#else
+# if defined(__i386) || defined(__x86_64) || defined(__s390x__) || defined(__aarch64__)
+#  define CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS 1
+# endif
+#endif
+#include "cap_helpers.h"
+#include "bpf_rand.h"
+#include "bpf_util.h"
+#include "test_btf.h"
+#include "../../../include/linux/filter.h"
+
+#ifndef ENOTSUPP
+#define ENOTSUPP 524
+#endif
+
+#define MAX_INSNS	BPF_MAXINSNS
+#define MAX_EXPECTED_INSNS	32
+#define MAX_UNEXPECTED_INSNS	32
+#define MAX_TEST_INSNS	1000000
+#define MAX_FIXUPS	8
+#define MAX_NR_MAPS	23
+#define MAX_TEST_RUNS	8
+#define POINTER_VALUE	0xcafe4all
+#define TEST_DATA_LEN	64
+#define MAX_FUNC_INFOS	8
+#define MAX_BTF_STRINGS	256
+#define MAX_BTF_TYPES	256
+
+#define INSN_OFF_MASK	((__s16)0xFFFF)
+#define INSN_IMM_MASK	((__s32)0xFFFFFFFF)
+#define SKIP_INSNS()	BPF_RAW_INSN(0xde, 0xa, 0xd, 0xbeef, 0xdeadbeef)
+
+#define DEFAULT_LIBBPF_LOG_LEVEL	4
+#define VERBOSE_LIBBPF_LOG_LEVEL	1
+
+#define F_NEEDS_EFFICIENT_UNALIGNED_ACCESS	(1 << 0)
+#define F_LOAD_WITH_STRICT_ALIGNMENT		(1 << 1)
+
+/* need CAP_BPF, CAP_NET_ADMIN, CAP_PERFMON to load progs */
+#define ADMIN_CAPS (1ULL << CAP_NET_ADMIN |	\
+		    1ULL << CAP_PERFMON |	\
+		    1ULL << CAP_BPF)
+#define UNPRIV_SYSCTL "kernel/unprivileged_bpf_disabled"
+static bool unpriv_disabled = false;
+static int skips;
+static bool verbose = false;
+
+struct kfunc_btf_id_pair {
+	const char *kfunc;
+	int insn_idx;
+};
+
+struct bpf_test {
+	const char *descr;
+	struct bpf_insn	insns[MAX_INSNS];
+	struct bpf_insn	*fill_insns;
+	/* If specified, test engine looks for this sequence of
+	 * instructions in the BPF program after loading. Allows to
+	 * test rewrites applied by verifier.  Use values
+	 * INSN_OFF_MASK and INSN_IMM_MASK to mask `off` and `imm`
+	 * fields if content does not matter.  The test case fails if
+	 * specified instructions are not found.
+	 *
+	 * The sequence could be split into sub-sequences by adding
+	 * SKIP_INSNS instruction at the end of each sub-sequence. In
+	 * such case sub-sequences are searched for one after another.
+	 */
+	struct bpf_insn expected_insns[MAX_EXPECTED_INSNS];
+	/* If specified, test engine applies same pattern matching
+	 * logic as for `expected_insns`. If the specified pattern is
+	 * matched test case is marked as failed.
+	 */
+	struct bpf_insn unexpected_insns[MAX_UNEXPECTED_INSNS];
+	int fixup_map_hash_8b[MAX_FIXUPS];
+	int fixup_map_hash_48b[MAX_FIXUPS];
+	int fixup_map_hash_16b[MAX_FIXUPS];
+	int fixup_map_array_48b[MAX_FIXUPS];
+	int fixup_map_sockmap[MAX_FIXUPS];
+	int fixup_map_sockhash[MAX_FIXUPS];
+	int fixup_map_xskmap[MAX_FIXUPS];
+	int fixup_map_stacktrace[MAX_FIXUPS];
+	int fixup_prog1[MAX_FIXUPS];
+	int fixup_prog2[MAX_FIXUPS];
+	int fixup_map_in_map[MAX_FIXUPS];
+	int fixup_cgroup_storage[MAX_FIXUPS];
+	int fixup_percpu_cgroup_storage[MAX_FIXUPS];
+	int fixup_map_spin_lock[MAX_FIXUPS];
+	int fixup_map_array_ro[MAX_FIXUPS];
+	int fixup_map_array_wo[MAX_FIXUPS];
+	int fixup_map_array_small[MAX_FIXUPS];
+	int fixup_sk_storage_map[MAX_FIXUPS];
+	int fixup_map_event_output[MAX_FIXUPS];
+	int fixup_map_reuseport_array[MAX_FIXUPS];
+	int fixup_map_ringbuf[MAX_FIXUPS];
+	int fixup_map_timer[MAX_FIXUPS];
+	int fixup_map_kptr[MAX_FIXUPS];
+	struct kfunc_btf_id_pair fixup_kfunc_btf_id[MAX_FIXUPS];
+	/* Expected verifier log output for result REJECT or VERBOSE_ACCEPT.
+	 * Can be a tab-separated sequence of expected strings. An empty string
+	 * means no log verification.
+	 */
+	const char *errstr;
+	const char *errstr_unpriv;
+	uint32_t insn_processed;
+	int prog_len;
+	enum {
+		UNDEF,
+		ACCEPT,
+		REJECT,
+		VERBOSE_ACCEPT,
+	} result, result_unpriv;
+	enum bpf_prog_type prog_type;
+	uint8_t flags;
+	void (*fill_helper)(struct bpf_test *self);
+	int runs;
+#define bpf_testdata_struct_t					\
+	struct {						\
+		uint32_t retval, retval_unpriv;			\
+		union {						\
+			__u8 data[TEST_DATA_LEN];		\
+			__u64 data64[TEST_DATA_LEN / 8];	\
+		};						\
+	}
+	union {
+		bpf_testdata_struct_t;
+		bpf_testdata_struct_t retvals[MAX_TEST_RUNS];
+	};
+	enum bpf_attach_type expected_attach_type;
+	const char *kfunc;
+	struct bpf_func_info func_info[MAX_FUNC_INFOS];
+	int func_info_cnt;
+	char btf_strings[MAX_BTF_STRINGS];
+	/* A set of BTF types to load when specified,
+	 * use macro definitions from test_btf.h,
+	 * must end with BTF_END_RAW
+	 */
+	__u32 btf_types[MAX_BTF_TYPES];
+};
+
+/* Note we want this to be 64 bit aligned so that the end of our array is
+ * actually the end of the structure.
+ */
+#define MAX_ENTRIES 11
+
+struct test_val {
+	unsigned int index;
+	int foo[MAX_ENTRIES];
+};
+
+struct other_val {
+	long long foo;
+	long long bar;
+};
+
+static void bpf_fill_ld_abs_vlan_push_pop(struct bpf_test *self)
+{
+	/* test: {skb->data[0], vlan_push} x 51 + {skb->data[0], vlan_pop} x 51 */
+#define PUSH_CNT 51
+	/* jump range is limited to 16 bit. PUSH_CNT of ld_abs needs room */
+	unsigned int len = (1 << 15) - PUSH_CNT * 2 * 5 * 6;
+	struct bpf_insn *insn = self->fill_insns;
+	int i = 0, j, k = 0;
+
+	insn[i++] = BPF_MOV64_REG(BPF_REG_6, BPF_REG_1);
+loop:
+	for (j = 0; j < PUSH_CNT; j++) {
+		insn[i++] = BPF_LD_ABS(BPF_B, 0);
+		/* jump to error label */
+		insn[i] = BPF_JMP32_IMM(BPF_JNE, BPF_REG_0, 0x34, len - i - 3);
+		i++;
+		insn[i++] = BPF_MOV64_REG(BPF_REG_1, BPF_REG_6);
+		insn[i++] = BPF_MOV64_IMM(BPF_REG_2, 1);
+		insn[i++] = BPF_MOV64_IMM(BPF_REG_3, 2);
+		insn[i++] = BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
+					 BPF_FUNC_skb_vlan_push),
+		insn[i] = BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, len - i - 3);
+		i++;
+	}
+
+	for (j = 0; j < PUSH_CNT; j++) {
+		insn[i++] = BPF_LD_ABS(BPF_B, 0);
+		insn[i] = BPF_JMP32_IMM(BPF_JNE, BPF_REG_0, 0x34, len - i - 3);
+		i++;
+		insn[i++] = BPF_MOV64_REG(BPF_REG_1, BPF_REG_6);
+		insn[i++] = BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
+					 BPF_FUNC_skb_vlan_pop),
+		insn[i] = BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, len - i - 3);
+		i++;
+	}
+	if (++k < 5)
+		goto loop;
+
+	for (; i < len - 3; i++)
+		insn[i] = BPF_ALU64_IMM(BPF_MOV, BPF_REG_0, 0xbef);
+	insn[len - 3] = BPF_JMP_A(1);
+	/* error label */
+	insn[len - 2] = BPF_MOV32_IMM(BPF_REG_0, 0);
+	insn[len - 1] = BPF_EXIT_INSN();
+	self->prog_len = len;
+}
+
+static void bpf_fill_jump_around_ld_abs(struct bpf_test *self)
+{
+	struct bpf_insn *insn = self->fill_insns;
+	/* jump range is limited to 16 bit. every ld_abs is replaced by 6 insns,
+	 * but on arches like arm, ppc etc, there will be one BPF_ZEXT inserted
+	 * to extend the error value of the inlined ld_abs sequence which then
+	 * contains 7 insns. so, set the dividend to 7 so the testcase could
+	 * work on all arches.
+	 */
+	unsigned int len = (1 << 15) / 7;
+	int i = 0;
+
+	insn[i++] = BPF_MOV64_REG(BPF_REG_6, BPF_REG_1);
+	insn[i++] = BPF_LD_ABS(BPF_B, 0);
+	insn[i] = BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 10, len - i - 2);
+	i++;
+	while (i < len - 1)
+		insn[i++] = BPF_LD_ABS(BPF_B, 1);
+	insn[i] = BPF_EXIT_INSN();
+	self->prog_len = i + 1;
+}
+
+static void bpf_fill_rand_ld_dw(struct bpf_test *self)
+{
+	struct bpf_insn *insn = self->fill_insns;
+	uint64_t res = 0;
+	int i = 0;
+
+	insn[i++] = BPF_MOV32_IMM(BPF_REG_0, 0);
+	while (i < self->retval) {
+		uint64_t val = bpf_semi_rand_get();
+		struct bpf_insn tmp[2] = { BPF_LD_IMM64(BPF_REG_1, val) };
+
+		res ^= val;
+		insn[i++] = tmp[0];
+		insn[i++] = tmp[1];
+		insn[i++] = BPF_ALU64_REG(BPF_XOR, BPF_REG_0, BPF_REG_1);
+	}
+	insn[i++] = BPF_MOV64_REG(BPF_REG_1, BPF_REG_0);
+	insn[i++] = BPF_ALU64_IMM(BPF_RSH, BPF_REG_1, 32);
+	insn[i++] = BPF_ALU64_REG(BPF_XOR, BPF_REG_0, BPF_REG_1);
+	insn[i] = BPF_EXIT_INSN();
+	self->prog_len = i + 1;
+	res ^= (res >> 32);
+	self->retval = (uint32_t)res;
+}
+
+#define MAX_JMP_SEQ 8192
+
+/* test the sequence of 8k jumps */
+static void bpf_fill_scale1(struct bpf_test *self)
+{
+	struct bpf_insn *insn = self->fill_insns;
+	int i = 0, k = 0;
+
+	insn[i++] = BPF_MOV64_REG(BPF_REG_6, BPF_REG_1);
+	/* test to check that the long sequence of jumps is acceptable */
+	while (k++ < MAX_JMP_SEQ) {
+		insn[i++] = BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
+					 BPF_FUNC_get_prandom_u32);
+		insn[i++] = BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, bpf_semi_rand_get(), 2);
+		insn[i++] = BPF_MOV64_REG(BPF_REG_1, BPF_REG_10);
+		insn[i++] = BPF_STX_MEM(BPF_DW, BPF_REG_1, BPF_REG_6,
+					-8 * (k % 64 + 1));
+	}
+	/* is_state_visited() doesn't allocate state for pruning for every jump.
+	 * Hence multiply jmps by 4 to accommodate that heuristic
+	 */
+	while (i < MAX_TEST_INSNS - MAX_JMP_SEQ * 4)
+		insn[i++] = BPF_ALU64_IMM(BPF_MOV, BPF_REG_0, 42);
+	insn[i] = BPF_EXIT_INSN();
+	self->prog_len = i + 1;
+	self->retval = 42;
+}
+
+/* test the sequence of 8k jumps in inner most function (function depth 8)*/
+static void bpf_fill_scale2(struct bpf_test *self)
+{
+	struct bpf_insn *insn = self->fill_insns;
+	int i = 0, k = 0;
+
+#define FUNC_NEST 7
+	for (k = 0; k < FUNC_NEST; k++) {
+		insn[i++] = BPF_CALL_REL(1);
+		insn[i++] = BPF_EXIT_INSN();
+	}
+	insn[i++] = BPF_MOV64_REG(BPF_REG_6, BPF_REG_1);
+	/* test to check that the long sequence of jumps is acceptable */
+	k = 0;
+	while (k++ < MAX_JMP_SEQ) {
+		insn[i++] = BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
+					 BPF_FUNC_get_prandom_u32);
+		insn[i++] = BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, bpf_semi_rand_get(), 2);
+		insn[i++] = BPF_MOV64_REG(BPF_REG_1, BPF_REG_10);
+		insn[i++] = BPF_STX_MEM(BPF_DW, BPF_REG_1, BPF_REG_6,
+					-8 * (k % (64 - 4 * FUNC_NEST) + 1));
+	}
+	while (i < MAX_TEST_INSNS - MAX_JMP_SEQ * 4)
+		insn[i++] = BPF_ALU64_IMM(BPF_MOV, BPF_REG_0, 42);
+	insn[i] = BPF_EXIT_INSN();
+	self->prog_len = i + 1;
+	self->retval = 42;
+}
+
+static void bpf_fill_scale(struct bpf_test *self)
+{
+	switch (self->retval) {
+	case 1:
+		return bpf_fill_scale1(self);
+	case 2:
+		return bpf_fill_scale2(self);
+	default:
+		self->prog_len = 0;
+		break;
+	}
+}
+
+static int bpf_fill_torturous_jumps_insn_1(struct bpf_insn *insn)
+{
+	unsigned int len = 259, hlen = 128;
+	int i;
+
+	insn[0] = BPF_EMIT_CALL(BPF_FUNC_get_prandom_u32);
+	for (i = 1; i <= hlen; i++) {
+		insn[i]        = BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, i, hlen);
+		insn[i + hlen] = BPF_JMP_A(hlen - i);
+	}
+	insn[len - 2] = BPF_MOV64_IMM(BPF_REG_0, 1);
+	insn[len - 1] = BPF_EXIT_INSN();
+
+	return len;
+}
+
+static int bpf_fill_torturous_jumps_insn_2(struct bpf_insn *insn)
+{
+	unsigned int len = 4100, jmp_off = 2048;
+	int i, j;
+
+	insn[0] = BPF_EMIT_CALL(BPF_FUNC_get_prandom_u32);
+	for (i = 1; i <= jmp_off; i++) {
+		insn[i] = BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, i, jmp_off);
+	}
+	insn[i++] = BPF_JMP_A(jmp_off);
+	for (; i <= jmp_off * 2 + 1; i+=16) {
+		for (j = 0; j < 16; j++) {
+			insn[i + j] = BPF_JMP_A(16 - j - 1);
+		}
+	}
+
+	insn[len - 2] = BPF_MOV64_IMM(BPF_REG_0, 2);
+	insn[len - 1] = BPF_EXIT_INSN();
+
+	return len;
+}
+
+static void bpf_fill_torturous_jumps(struct bpf_test *self)
+{
+	struct bpf_insn *insn = self->fill_insns;
+	int i = 0;
+
+	switch (self->retval) {
+	case 1:
+		self->prog_len = bpf_fill_torturous_jumps_insn_1(insn);
+		return;
+	case 2:
+		self->prog_len = bpf_fill_torturous_jumps_insn_2(insn);
+		return;
+	case 3:
+		/* main */
+		insn[i++] = BPF_RAW_INSN(BPF_JMP|BPF_CALL, 0, 1, 0, 4);
+		insn[i++] = BPF_RAW_INSN(BPF_JMP|BPF_CALL, 0, 1, 0, 262);
+		insn[i++] = BPF_ST_MEM(BPF_B, BPF_REG_10, -32, 0);
+		insn[i++] = BPF_MOV64_IMM(BPF_REG_0, 3);
+		insn[i++] = BPF_EXIT_INSN();
+
+		/* subprog 1 */
+		i += bpf_fill_torturous_jumps_insn_1(insn + i);
+
+		/* subprog 2 */
+		i += bpf_fill_torturous_jumps_insn_2(insn + i);
+
+		self->prog_len = i;
+		return;
+	default:
+		self->prog_len = 0;
+		break;
+	}
+}
+
+static void bpf_fill_big_prog_with_loop_1(struct bpf_test *self)
+{
+	struct bpf_insn *insn = self->fill_insns;
+	/* This test was added to catch a specific use after free
+	 * error, which happened upon BPF program reallocation.
+	 * Reallocation is handled by core.c:bpf_prog_realloc, which
+	 * reuses old memory if page boundary is not crossed. The
+	 * value of `len` is chosen to cross this boundary on bpf_loop
+	 * patching.
+	 */
+	const int len = getpagesize() - 25;
+	int callback_load_idx;
+	int callback_idx;
+	int i = 0;
+
+	insn[i++] = BPF_ALU64_IMM(BPF_MOV, BPF_REG_1, 1);
+	callback_load_idx = i;
+	insn[i++] = BPF_RAW_INSN(BPF_LD | BPF_IMM | BPF_DW,
+				 BPF_REG_2, BPF_PSEUDO_FUNC, 0,
+				 777 /* filled below */);
+	insn[i++] = BPF_RAW_INSN(0, 0, 0, 0, 0);
+	insn[i++] = BPF_ALU64_IMM(BPF_MOV, BPF_REG_3, 0);
+	insn[i++] = BPF_ALU64_IMM(BPF_MOV, BPF_REG_4, 0);
+	insn[i++] = BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_loop);
+
+	while (i < len - 3)
+		insn[i++] = BPF_ALU64_IMM(BPF_MOV, BPF_REG_0, 0);
+	insn[i++] = BPF_EXIT_INSN();
+
+	callback_idx = i;
+	insn[i++] = BPF_ALU64_IMM(BPF_MOV, BPF_REG_0, 0);
+	insn[i++] = BPF_EXIT_INSN();
+
+	insn[callback_load_idx].imm = callback_idx - callback_load_idx - 1;
+	self->func_info[1].insn_off = callback_idx;
+	self->prog_len = i;
+	assert(i == len);
+}
+
+/* BPF_SK_LOOKUP contains 13 instructions, if you need to fix up maps */
+#define BPF_SK_LOOKUP(func)						\
+	/* struct bpf_sock_tuple tuple = {} */				\
+	BPF_MOV64_IMM(BPF_REG_2, 0),					\
+	BPF_STX_MEM(BPF_W, BPF_REG_10, BPF_REG_2, -8),			\
+	BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_2, -16),		\
+	BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_2, -24),		\
+	BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_2, -32),		\
+	BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_2, -40),		\
+	BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_2, -48),		\
+	/* sk = func(ctx, &tuple, sizeof tuple, 0, 0) */		\
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),				\
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -48),				\
+	BPF_MOV64_IMM(BPF_REG_3, sizeof(struct bpf_sock_tuple)),	\
+	BPF_MOV64_IMM(BPF_REG_4, 0),					\
+	BPF_MOV64_IMM(BPF_REG_5, 0),					\
+	BPF_EMIT_CALL(BPF_FUNC_ ## func)
+
+/* BPF_DIRECT_PKT_R2 contains 7 instructions, it initializes default return
+ * value into 0 and does necessary preparation for direct packet access
+ * through r2. The allowed access range is 8 bytes.
+ */
+#define BPF_DIRECT_PKT_R2						\
+	BPF_MOV64_IMM(BPF_REG_0, 0),					\
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,			\
+		    offsetof(struct __sk_buff, data)),			\
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,			\
+		    offsetof(struct __sk_buff, data_end)),		\
+	BPF_MOV64_REG(BPF_REG_4, BPF_REG_2),				\
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_4, 8),				\
+	BPF_JMP_REG(BPF_JLE, BPF_REG_4, BPF_REG_3, 1),			\
+	BPF_EXIT_INSN()
+
+/* BPF_RAND_UEXT_R7 contains 4 instructions, it initializes R7 into a random
+ * positive u32, and zero-extend it into 64-bit.
+ */
+#define BPF_RAND_UEXT_R7						\
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,			\
+		     BPF_FUNC_get_prandom_u32),				\
+	BPF_MOV64_REG(BPF_REG_7, BPF_REG_0),				\
+	BPF_ALU64_IMM(BPF_LSH, BPF_REG_7, 33),				\
+	BPF_ALU64_IMM(BPF_RSH, BPF_REG_7, 33)
+
+/* BPF_RAND_SEXT_R7 contains 5 instructions, it initializes R7 into a random
+ * negative u32, and sign-extend it into 64-bit.
+ */
+#define BPF_RAND_SEXT_R7						\
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,			\
+		     BPF_FUNC_get_prandom_u32),				\
+	BPF_MOV64_REG(BPF_REG_7, BPF_REG_0),				\
+	BPF_ALU64_IMM(BPF_OR, BPF_REG_7, 0x80000000),			\
+	BPF_ALU64_IMM(BPF_LSH, BPF_REG_7, 32),				\
+	BPF_ALU64_IMM(BPF_ARSH, BPF_REG_7, 32)
+
+static struct bpf_test tests[] = {
+#define FILL_ARRAY
+#include <verifier/tests.h>
+#undef FILL_ARRAY
+};
+
+static int probe_filter_length(const struct bpf_insn *fp)
+{
+	int len;
+
+	for (len = MAX_INSNS - 1; len > 0; --len)
+		if (fp[len].code != 0 || fp[len].imm != 0)
+			break;
+	return len + 1;
+}
+
+static bool skip_unsupported_map(enum bpf_map_type map_type)
+{
+	if (!libbpf_probe_bpf_map_type(map_type, NULL)) {
+		printf("SKIP (unsupported map type %d)\n", map_type);
+		skips++;
+		return true;
+	}
+	return false;
+}
+
+static int __create_map(uint32_t type, uint32_t size_key,
+			uint32_t size_value, uint32_t max_elem,
+			uint32_t extra_flags)
+{
+	LIBBPF_OPTS(bpf_map_create_opts, opts);
+	int fd;
+
+	opts.map_flags = (type == BPF_MAP_TYPE_HASH ? BPF_F_NO_PREALLOC : 0) | extra_flags;
+	fd = bpf_map_create(type, NULL, size_key, size_value, max_elem, &opts);
+	if (fd < 0) {
+		if (skip_unsupported_map(type))
+			return -1;
+		printf("Failed to create hash map '%s'!\n", strerror(errno));
+	}
+
+	return fd;
+}
+
+static int create_map(uint32_t type, uint32_t size_key,
+		      uint32_t size_value, uint32_t max_elem)
+{
+	return __create_map(type, size_key, size_value, max_elem, 0);
+}
+
+static void update_map(int fd, int index)
+{
+	struct test_val value = {
+		.index = (6 + 1) * sizeof(int),
+		.foo[6] = 0xabcdef12,
+	};
+
+	assert(!bpf_map_update_elem(fd, &index, &value, 0));
+}
+
+static int create_prog_dummy_simple(enum bpf_prog_type prog_type, int ret)
+{
+	struct bpf_insn prog[] = {
+		BPF_MOV64_IMM(BPF_REG_0, ret),
+		BPF_EXIT_INSN(),
+	};
+
+	return bpf_prog_load(prog_type, NULL, "GPL", prog, ARRAY_SIZE(prog), NULL);
+}
+
+static int create_prog_dummy_loop(enum bpf_prog_type prog_type, int mfd,
+				  int idx, int ret)
+{
+	struct bpf_insn prog[] = {
+		BPF_MOV64_IMM(BPF_REG_3, idx),
+		BPF_LD_MAP_FD(BPF_REG_2, mfd),
+		BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
+			     BPF_FUNC_tail_call),
+		BPF_MOV64_IMM(BPF_REG_0, ret),
+		BPF_EXIT_INSN(),
+	};
+
+	return bpf_prog_load(prog_type, NULL, "GPL", prog, ARRAY_SIZE(prog), NULL);
+}
+
+static int create_prog_array(enum bpf_prog_type prog_type, uint32_t max_elem,
+			     int p1key, int p2key, int p3key)
+{
+	int mfd, p1fd, p2fd, p3fd;
+
+	mfd = bpf_map_create(BPF_MAP_TYPE_PROG_ARRAY, NULL, sizeof(int),
+			     sizeof(int), max_elem, NULL);
+	if (mfd < 0) {
+		if (skip_unsupported_map(BPF_MAP_TYPE_PROG_ARRAY))
+			return -1;
+		printf("Failed to create prog array '%s'!\n", strerror(errno));
+		return -1;
+	}
+
+	p1fd = create_prog_dummy_simple(prog_type, 42);
+	p2fd = create_prog_dummy_loop(prog_type, mfd, p2key, 41);
+	p3fd = create_prog_dummy_simple(prog_type, 24);
+	if (p1fd < 0 || p2fd < 0 || p3fd < 0)
+		goto err;
+	if (bpf_map_update_elem(mfd, &p1key, &p1fd, BPF_ANY) < 0)
+		goto err;
+	if (bpf_map_update_elem(mfd, &p2key, &p2fd, BPF_ANY) < 0)
+		goto err;
+	if (bpf_map_update_elem(mfd, &p3key, &p3fd, BPF_ANY) < 0) {
+err:
+		close(mfd);
+		mfd = -1;
+	}
+	close(p3fd);
+	close(p2fd);
+	close(p1fd);
+	return mfd;
+}
+
+static int create_map_in_map(void)
+{
+	LIBBPF_OPTS(bpf_map_create_opts, opts);
+	int inner_map_fd, outer_map_fd;
+
+	inner_map_fd = bpf_map_create(BPF_MAP_TYPE_ARRAY, NULL, sizeof(int),
+				      sizeof(int), 1, NULL);
+	if (inner_map_fd < 0) {
+		if (skip_unsupported_map(BPF_MAP_TYPE_ARRAY))
+			return -1;
+		printf("Failed to create array '%s'!\n", strerror(errno));
+		return inner_map_fd;
+	}
+
+	opts.inner_map_fd = inner_map_fd;
+	outer_map_fd = bpf_map_create(BPF_MAP_TYPE_ARRAY_OF_MAPS, NULL,
+				      sizeof(int), sizeof(int), 1, &opts);
+	if (outer_map_fd < 0) {
+		if (skip_unsupported_map(BPF_MAP_TYPE_ARRAY_OF_MAPS))
+			return -1;
+		printf("Failed to create array of maps '%s'!\n",
+		       strerror(errno));
+	}
+
+	close(inner_map_fd);
+
+	return outer_map_fd;
+}
+
+static int create_cgroup_storage(bool percpu)
+{
+	enum bpf_map_type type = percpu ? BPF_MAP_TYPE_PERCPU_CGROUP_STORAGE :
+		BPF_MAP_TYPE_CGROUP_STORAGE;
+	int fd;
+
+	fd = bpf_map_create(type, NULL, sizeof(struct bpf_cgroup_storage_key),
+			    TEST_DATA_LEN, 0, NULL);
+	if (fd < 0) {
+		if (skip_unsupported_map(type))
+			return -1;
+		printf("Failed to create cgroup storage '%s'!\n",
+		       strerror(errno));
+	}
+
+	return fd;
+}
+
+/* struct bpf_spin_lock {
+ *   int val;
+ * };
+ * struct val {
+ *   int cnt;
+ *   struct bpf_spin_lock l;
+ * };
+ * struct bpf_timer {
+ *   __u64 :64;
+ *   __u64 :64;
+ * } __attribute__((aligned(8)));
+ * struct timer {
+ *   struct bpf_timer t;
+ * };
+ * struct btf_ptr {
+ *   struct prog_test_ref_kfunc __kptr *ptr;
+ *   struct prog_test_ref_kfunc __kptr_ref *ptr;
+ *   struct prog_test_member __kptr_ref *ptr;
+ * }
+ */
+static const char btf_str_sec[] = "\0bpf_spin_lock\0val\0cnt\0l\0bpf_timer\0timer\0t"
+				  "\0btf_ptr\0prog_test_ref_kfunc\0ptr\0kptr\0kptr_ref"
+				  "\0prog_test_member";
+static __u32 btf_raw_types[] = {
+	/* int */
+	BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),  /* [1] */
+	/* struct bpf_spin_lock */                      /* [2] */
+	BTF_TYPE_ENC(1, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 1), 4),
+	BTF_MEMBER_ENC(15, 1, 0), /* int val; */
+	/* struct val */                                /* [3] */
+	BTF_TYPE_ENC(15, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 2), 8),
+	BTF_MEMBER_ENC(19, 1, 0), /* int cnt; */
+	BTF_MEMBER_ENC(23, 2, 32),/* struct bpf_spin_lock l; */
+	/* struct bpf_timer */                          /* [4] */
+	BTF_TYPE_ENC(25, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 0), 16),
+	/* struct timer */                              /* [5] */
+	BTF_TYPE_ENC(35, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 1), 16),
+	BTF_MEMBER_ENC(41, 4, 0), /* struct bpf_timer t; */
+	/* struct prog_test_ref_kfunc */		/* [6] */
+	BTF_STRUCT_ENC(51, 0, 0),
+	BTF_STRUCT_ENC(89, 0, 0),			/* [7] */
+	/* type tag "kptr" */
+	BTF_TYPE_TAG_ENC(75, 6),			/* [8] */
+	/* type tag "kptr_ref" */
+	BTF_TYPE_TAG_ENC(80, 6),			/* [9] */
+	BTF_TYPE_TAG_ENC(80, 7),			/* [10] */
+	BTF_PTR_ENC(8),					/* [11] */
+	BTF_PTR_ENC(9),					/* [12] */
+	BTF_PTR_ENC(10),				/* [13] */
+	/* struct btf_ptr */				/* [14] */
+	BTF_STRUCT_ENC(43, 3, 24),
+	BTF_MEMBER_ENC(71, 11, 0), /* struct prog_test_ref_kfunc __kptr *ptr; */
+	BTF_MEMBER_ENC(71, 12, 64), /* struct prog_test_ref_kfunc __kptr_ref *ptr; */
+	BTF_MEMBER_ENC(71, 13, 128), /* struct prog_test_member __kptr_ref *ptr; */
+};
+
+static char bpf_vlog[UINT_MAX >> 8];
+
+static int load_btf_spec(__u32 *types, int types_len,
+			 const char *strings, int strings_len)
+{
+	struct btf_header hdr = {
+		.magic = BTF_MAGIC,
+		.version = BTF_VERSION,
+		.hdr_len = sizeof(struct btf_header),
+		.type_len = types_len,
+		.str_off = types_len,
+		.str_len = strings_len,
+	};
+	void *ptr, *raw_btf;
+	int btf_fd;
+	LIBBPF_OPTS(bpf_btf_load_opts, opts,
+		    .log_buf = bpf_vlog,
+		    .log_size = sizeof(bpf_vlog),
+		    .log_level = (verbose
+				  ? VERBOSE_LIBBPF_LOG_LEVEL
+				  : DEFAULT_LIBBPF_LOG_LEVEL),
+	);
+
+	raw_btf = malloc(sizeof(hdr) + types_len + strings_len);
+
+	ptr = raw_btf;
+	memcpy(ptr, &hdr, sizeof(hdr));
+	ptr += sizeof(hdr);
+	memcpy(ptr, types, hdr.type_len);
+	ptr += hdr.type_len;
+	memcpy(ptr, strings, hdr.str_len);
+	ptr += hdr.str_len;
+
+	btf_fd = bpf_btf_load(raw_btf, ptr - raw_btf, &opts);
+	if (btf_fd < 0)
+		printf("Failed to load BTF spec: '%s'\n", strerror(errno));
+
+	free(raw_btf);
+
+	return btf_fd < 0 ? -1 : btf_fd;
+}
+
+static int load_btf(void)
+{
+	return load_btf_spec(btf_raw_types, sizeof(btf_raw_types),
+			     btf_str_sec, sizeof(btf_str_sec));
+}
+
+static int load_btf_for_test(struct bpf_test *test)
+{
+	int types_num = 0;
+
+	while (types_num < MAX_BTF_TYPES &&
+	       test->btf_types[types_num] != BTF_END_RAW)
+		++types_num;
+
+	int types_len = types_num * sizeof(test->btf_types[0]);
+
+	return load_btf_spec(test->btf_types, types_len,
+			     test->btf_strings, sizeof(test->btf_strings));
+}
+
+static int create_map_spin_lock(void)
+{
+	LIBBPF_OPTS(bpf_map_create_opts, opts,
+		.btf_key_type_id = 1,
+		.btf_value_type_id = 3,
+	);
+	int fd, btf_fd;
+
+	btf_fd = load_btf();
+	if (btf_fd < 0)
+		return -1;
+	opts.btf_fd = btf_fd;
+	fd = bpf_map_create(BPF_MAP_TYPE_ARRAY, "test_map", 4, 8, 1, &opts);
+	if (fd < 0)
+		printf("Failed to create map with spin_lock\n");
+	return fd;
+}
+
+static int create_sk_storage_map(void)
+{
+	LIBBPF_OPTS(bpf_map_create_opts, opts,
+		.map_flags = BPF_F_NO_PREALLOC,
+		.btf_key_type_id = 1,
+		.btf_value_type_id = 3,
+	);
+	int fd, btf_fd;
+
+	btf_fd = load_btf();
+	if (btf_fd < 0)
+		return -1;
+	opts.btf_fd = btf_fd;
+	fd = bpf_map_create(BPF_MAP_TYPE_SK_STORAGE, "test_map", 4, 8, 0, &opts);
+	close(opts.btf_fd);
+	if (fd < 0)
+		printf("Failed to create sk_storage_map\n");
+	return fd;
+}
+
+static int create_map_timer(void)
+{
+	LIBBPF_OPTS(bpf_map_create_opts, opts,
+		.btf_key_type_id = 1,
+		.btf_value_type_id = 5,
+	);
+	int fd, btf_fd;
+
+	btf_fd = load_btf();
+	if (btf_fd < 0)
+		return -1;
+
+	opts.btf_fd = btf_fd;
+	fd = bpf_map_create(BPF_MAP_TYPE_ARRAY, "test_map", 4, 16, 1, &opts);
+	if (fd < 0)
+		printf("Failed to create map with timer\n");
+	return fd;
+}
+
+static int create_map_kptr(void)
+{
+	LIBBPF_OPTS(bpf_map_create_opts, opts,
+		.btf_key_type_id = 1,
+		.btf_value_type_id = 14,
+	);
+	int fd, btf_fd;
+
+	btf_fd = load_btf();
+	if (btf_fd < 0)
+		return -1;
+
+	opts.btf_fd = btf_fd;
+	fd = bpf_map_create(BPF_MAP_TYPE_ARRAY, "test_map", 4, 24, 1, &opts);
+	if (fd < 0)
+		printf("Failed to create map with btf_id pointer\n");
+	return fd;
+}
+
+static void do_test_fixup(struct bpf_test *test, enum bpf_prog_type prog_type,
+			  struct bpf_insn *prog, int *map_fds)
+{
+	int *fixup_map_hash_8b = test->fixup_map_hash_8b;
+	int *fixup_map_hash_48b = test->fixup_map_hash_48b;
+	int *fixup_map_hash_16b = test->fixup_map_hash_16b;
+	int *fixup_map_array_48b = test->fixup_map_array_48b;
+	int *fixup_map_sockmap = test->fixup_map_sockmap;
+	int *fixup_map_sockhash = test->fixup_map_sockhash;
+	int *fixup_map_xskmap = test->fixup_map_xskmap;
+	int *fixup_map_stacktrace = test->fixup_map_stacktrace;
+	int *fixup_prog1 = test->fixup_prog1;
+	int *fixup_prog2 = test->fixup_prog2;
+	int *fixup_map_in_map = test->fixup_map_in_map;
+	int *fixup_cgroup_storage = test->fixup_cgroup_storage;
+	int *fixup_percpu_cgroup_storage = test->fixup_percpu_cgroup_storage;
+	int *fixup_map_spin_lock = test->fixup_map_spin_lock;
+	int *fixup_map_array_ro = test->fixup_map_array_ro;
+	int *fixup_map_array_wo = test->fixup_map_array_wo;
+	int *fixup_map_array_small = test->fixup_map_array_small;
+	int *fixup_sk_storage_map = test->fixup_sk_storage_map;
+	int *fixup_map_event_output = test->fixup_map_event_output;
+	int *fixup_map_reuseport_array = test->fixup_map_reuseport_array;
+	int *fixup_map_ringbuf = test->fixup_map_ringbuf;
+	int *fixup_map_timer = test->fixup_map_timer;
+	int *fixup_map_kptr = test->fixup_map_kptr;
+	struct kfunc_btf_id_pair *fixup_kfunc_btf_id = test->fixup_kfunc_btf_id;
+
+	if (test->fill_helper) {
+		test->fill_insns = calloc(MAX_TEST_INSNS, sizeof(struct bpf_insn));
+		test->fill_helper(test);
+	}
+
+	/* Allocating HTs with 1 elem is fine here, since we only test
+	 * for verifier and not do a runtime lookup, so the only thing
+	 * that really matters is value size in this case.
+	 */
+	if (*fixup_map_hash_8b) {
+		map_fds[0] = create_map(BPF_MAP_TYPE_HASH, sizeof(long long),
+					sizeof(long long), 1);
+		do {
+			prog[*fixup_map_hash_8b].imm = map_fds[0];
+			fixup_map_hash_8b++;
+		} while (*fixup_map_hash_8b);
+	}
+
+	if (*fixup_map_hash_48b) {
+		map_fds[1] = create_map(BPF_MAP_TYPE_HASH, sizeof(long long),
+					sizeof(struct test_val), 1);
+		do {
+			prog[*fixup_map_hash_48b].imm = map_fds[1];
+			fixup_map_hash_48b++;
+		} while (*fixup_map_hash_48b);
+	}
+
+	if (*fixup_map_hash_16b) {
+		map_fds[2] = create_map(BPF_MAP_TYPE_HASH, sizeof(long long),
+					sizeof(struct other_val), 1);
+		do {
+			prog[*fixup_map_hash_16b].imm = map_fds[2];
+			fixup_map_hash_16b++;
+		} while (*fixup_map_hash_16b);
+	}
+
+	if (*fixup_map_array_48b) {
+		map_fds[3] = create_map(BPF_MAP_TYPE_ARRAY, sizeof(int),
+					sizeof(struct test_val), 1);
+		update_map(map_fds[3], 0);
+		do {
+			prog[*fixup_map_array_48b].imm = map_fds[3];
+			fixup_map_array_48b++;
+		} while (*fixup_map_array_48b);
+	}
+
+	if (*fixup_prog1) {
+		map_fds[4] = create_prog_array(prog_type, 4, 0, 1, 2);
+		do {
+			prog[*fixup_prog1].imm = map_fds[4];
+			fixup_prog1++;
+		} while (*fixup_prog1);
+	}
+
+	if (*fixup_prog2) {
+		map_fds[5] = create_prog_array(prog_type, 8, 7, 1, 2);
+		do {
+			prog[*fixup_prog2].imm = map_fds[5];
+			fixup_prog2++;
+		} while (*fixup_prog2);
+	}
+
+	if (*fixup_map_in_map) {
+		map_fds[6] = create_map_in_map();
+		do {
+			prog[*fixup_map_in_map].imm = map_fds[6];
+			fixup_map_in_map++;
+		} while (*fixup_map_in_map);
+	}
+
+	if (*fixup_cgroup_storage) {
+		map_fds[7] = create_cgroup_storage(false);
+		do {
+			prog[*fixup_cgroup_storage].imm = map_fds[7];
+			fixup_cgroup_storage++;
+		} while (*fixup_cgroup_storage);
+	}
+
+	if (*fixup_percpu_cgroup_storage) {
+		map_fds[8] = create_cgroup_storage(true);
+		do {
+			prog[*fixup_percpu_cgroup_storage].imm = map_fds[8];
+			fixup_percpu_cgroup_storage++;
+		} while (*fixup_percpu_cgroup_storage);
+	}
+	if (*fixup_map_sockmap) {
+		map_fds[9] = create_map(BPF_MAP_TYPE_SOCKMAP, sizeof(int),
+					sizeof(int), 1);
+		do {
+			prog[*fixup_map_sockmap].imm = map_fds[9];
+			fixup_map_sockmap++;
+		} while (*fixup_map_sockmap);
+	}
+	if (*fixup_map_sockhash) {
+		map_fds[10] = create_map(BPF_MAP_TYPE_SOCKHASH, sizeof(int),
+					sizeof(int), 1);
+		do {
+			prog[*fixup_map_sockhash].imm = map_fds[10];
+			fixup_map_sockhash++;
+		} while (*fixup_map_sockhash);
+	}
+	if (*fixup_map_xskmap) {
+		map_fds[11] = create_map(BPF_MAP_TYPE_XSKMAP, sizeof(int),
+					sizeof(int), 1);
+		do {
+			prog[*fixup_map_xskmap].imm = map_fds[11];
+			fixup_map_xskmap++;
+		} while (*fixup_map_xskmap);
+	}
+	if (*fixup_map_stacktrace) {
+		map_fds[12] = create_map(BPF_MAP_TYPE_STACK_TRACE, sizeof(u32),
+					 sizeof(u64), 1);
+		do {
+			prog[*fixup_map_stacktrace].imm = map_fds[12];
+			fixup_map_stacktrace++;
+		} while (*fixup_map_stacktrace);
+	}
+	if (*fixup_map_spin_lock) {
+		map_fds[13] = create_map_spin_lock();
+		do {
+			prog[*fixup_map_spin_lock].imm = map_fds[13];
+			fixup_map_spin_lock++;
+		} while (*fixup_map_spin_lock);
+	}
+	if (*fixup_map_array_ro) {
+		map_fds[14] = __create_map(BPF_MAP_TYPE_ARRAY, sizeof(int),
+					   sizeof(struct test_val), 1,
+					   BPF_F_RDONLY_PROG);
+		update_map(map_fds[14], 0);
+		do {
+			prog[*fixup_map_array_ro].imm = map_fds[14];
+			fixup_map_array_ro++;
+		} while (*fixup_map_array_ro);
+	}
+	if (*fixup_map_array_wo) {
+		map_fds[15] = __create_map(BPF_MAP_TYPE_ARRAY, sizeof(int),
+					   sizeof(struct test_val), 1,
+					   BPF_F_WRONLY_PROG);
+		update_map(map_fds[15], 0);
+		do {
+			prog[*fixup_map_array_wo].imm = map_fds[15];
+			fixup_map_array_wo++;
+		} while (*fixup_map_array_wo);
+	}
+	if (*fixup_map_array_small) {
+		map_fds[16] = __create_map(BPF_MAP_TYPE_ARRAY, sizeof(int),
+					   1, 1, 0);
+		update_map(map_fds[16], 0);
+		do {
+			prog[*fixup_map_array_small].imm = map_fds[16];
+			fixup_map_array_small++;
+		} while (*fixup_map_array_small);
+	}
+	if (*fixup_sk_storage_map) {
+		map_fds[17] = create_sk_storage_map();
+		do {
+			prog[*fixup_sk_storage_map].imm = map_fds[17];
+			fixup_sk_storage_map++;
+		} while (*fixup_sk_storage_map);
+	}
+	if (*fixup_map_event_output) {
+		map_fds[18] = __create_map(BPF_MAP_TYPE_PERF_EVENT_ARRAY,
+					   sizeof(int), sizeof(int), 1, 0);
+		do {
+			prog[*fixup_map_event_output].imm = map_fds[18];
+			fixup_map_event_output++;
+		} while (*fixup_map_event_output);
+	}
+	if (*fixup_map_reuseport_array) {
+		map_fds[19] = __create_map(BPF_MAP_TYPE_REUSEPORT_SOCKARRAY,
+					   sizeof(u32), sizeof(u64), 1, 0);
+		do {
+			prog[*fixup_map_reuseport_array].imm = map_fds[19];
+			fixup_map_reuseport_array++;
+		} while (*fixup_map_reuseport_array);
+	}
+	if (*fixup_map_ringbuf) {
+		map_fds[20] = create_map(BPF_MAP_TYPE_RINGBUF, 0,
+					   0, 4096);
+		do {
+			prog[*fixup_map_ringbuf].imm = map_fds[20];
+			fixup_map_ringbuf++;
+		} while (*fixup_map_ringbuf);
+	}
+	if (*fixup_map_timer) {
+		map_fds[21] = create_map_timer();
+		do {
+			prog[*fixup_map_timer].imm = map_fds[21];
+			fixup_map_timer++;
+		} while (*fixup_map_timer);
+	}
+	if (*fixup_map_kptr) {
+		map_fds[22] = create_map_kptr();
+		do {
+			prog[*fixup_map_kptr].imm = map_fds[22];
+			fixup_map_kptr++;
+		} while (*fixup_map_kptr);
+	}
+
+	/* Patch in kfunc BTF IDs */
+	if (fixup_kfunc_btf_id->kfunc) {
+		struct btf *btf;
+		int btf_id;
+
+		do {
+			btf_id = 0;
+			btf = btf__load_vmlinux_btf();
+			if (btf) {
+				btf_id = btf__find_by_name_kind(btf,
+								fixup_kfunc_btf_id->kfunc,
+								BTF_KIND_FUNC);
+				btf_id = btf_id < 0 ? 0 : btf_id;
+			}
+			btf__free(btf);
+			prog[fixup_kfunc_btf_id->insn_idx].imm = btf_id;
+			fixup_kfunc_btf_id++;
+		} while (fixup_kfunc_btf_id->kfunc);
+	}
+}
+
+struct libcap {
+	struct __user_cap_header_struct hdr;
+	struct __user_cap_data_struct data[2];
+};
+
+static int set_admin(bool admin)
+{
+	int err;
+
+	if (admin) {
+		err = cap_enable_effective(ADMIN_CAPS, NULL);
+		if (err)
+			perror("cap_enable_effective(ADMIN_CAPS)");
+	} else {
+		err = cap_disable_effective(ADMIN_CAPS, NULL);
+		if (err)
+			perror("cap_disable_effective(ADMIN_CAPS)");
+	}
+
+	return err;
+}
+
+static int do_prog_test_run(int fd_prog, bool unpriv, uint32_t expected_val,
+			    void *data, size_t size_data)
+{
+	__u8 tmp[TEST_DATA_LEN << 2];
+	__u32 size_tmp = sizeof(tmp);
+	int err, saved_errno;
+	LIBBPF_OPTS(bpf_test_run_opts, topts,
+		.data_in = data,
+		.data_size_in = size_data,
+		.data_out = tmp,
+		.data_size_out = size_tmp,
+		.repeat = 1,
+	);
+
+	if (unpriv)
+		set_admin(true);
+	err = bpf_prog_test_run_opts(fd_prog, &topts);
+	saved_errno = errno;
+
+	if (unpriv)
+		set_admin(false);
+
+	if (err) {
+		switch (saved_errno) {
+		case ENOTSUPP:
+			printf("Did not run the program (not supported) ");
+			return 0;
+		case EPERM:
+			if (unpriv) {
+				printf("Did not run the program (no permission) ");
+				return 0;
+			}
+			/* fallthrough; */
+		default:
+			printf("FAIL: Unexpected bpf_prog_test_run error (%s) ",
+				strerror(saved_errno));
+			return err;
+		}
+	}
+
+	if (topts.retval != expected_val && expected_val != POINTER_VALUE) {
+		printf("FAIL retval %d != %d ", topts.retval, expected_val);
+		return 1;
+	}
+
+	return 0;
+}
+
+/* Returns true if every part of exp (tab-separated) appears in log, in order.
+ *
+ * If exp is an empty string, returns true.
+ */
+static bool cmp_str_seq(const char *log, const char *exp)
+{
+	char needle[200];
+	const char *p, *q;
+	int len;
+
+	do {
+		if (!strlen(exp))
+			break;
+		p = strchr(exp, '\t');
+		if (!p)
+			p = exp + strlen(exp);
+
+		len = p - exp;
+		if (len >= sizeof(needle) || !len) {
+			printf("FAIL\nTestcase bug\n");
+			return false;
+		}
+		strncpy(needle, exp, len);
+		needle[len] = 0;
+		q = strstr(log, needle);
+		if (!q) {
+			printf("FAIL\nUnexpected verifier log!\n"
+			       "EXP: %s\nRES:\n", needle);
+			return false;
+		}
+		log = q + len;
+		exp = p + 1;
+	} while (*p);
+	return true;
+}
+
+static int get_xlated_program(int fd_prog, struct bpf_insn **buf, int *cnt)
+{
+	struct bpf_prog_info info = {};
+	__u32 info_len = sizeof(info);
+	__u32 xlated_prog_len;
+	__u32 buf_element_size = sizeof(struct bpf_insn);
+
+	if (bpf_obj_get_info_by_fd(fd_prog, &info, &info_len)) {
+		perror("bpf_obj_get_info_by_fd failed");
+		return -1;
+	}
+
+	xlated_prog_len = info.xlated_prog_len;
+	if (xlated_prog_len % buf_element_size) {
+		printf("Program length %d is not multiple of %d\n",
+		       xlated_prog_len, buf_element_size);
+		return -1;
+	}
+
+	*cnt = xlated_prog_len / buf_element_size;
+	*buf = calloc(*cnt, buf_element_size);
+	if (!buf) {
+		perror("can't allocate xlated program buffer");
+		return -ENOMEM;
+	}
+
+	bzero(&info, sizeof(info));
+	info.xlated_prog_len = xlated_prog_len;
+	info.xlated_prog_insns = (__u64)(unsigned long)*buf;
+	if (bpf_obj_get_info_by_fd(fd_prog, &info, &info_len)) {
+		perror("second bpf_obj_get_info_by_fd failed");
+		goto out_free_buf;
+	}
+
+	return 0;
+
+out_free_buf:
+	free(*buf);
+	return -1;
+}
+
+static bool is_null_insn(struct bpf_insn *insn)
+{
+	struct bpf_insn null_insn = {};
+
+	return memcmp(insn, &null_insn, sizeof(null_insn)) == 0;
+}
+
+static bool is_skip_insn(struct bpf_insn *insn)
+{
+	struct bpf_insn skip_insn = SKIP_INSNS();
+
+	return memcmp(insn, &skip_insn, sizeof(skip_insn)) == 0;
+}
+
+static int null_terminated_insn_len(struct bpf_insn *seq, int max_len)
+{
+	int i;
+
+	for (i = 0; i < max_len; ++i) {
+		if (is_null_insn(&seq[i]))
+			return i;
+	}
+	return max_len;
+}
+
+static bool compare_masked_insn(struct bpf_insn *orig, struct bpf_insn *masked)
+{
+	struct bpf_insn orig_masked;
+
+	memcpy(&orig_masked, orig, sizeof(orig_masked));
+	if (masked->imm == INSN_IMM_MASK)
+		orig_masked.imm = INSN_IMM_MASK;
+	if (masked->off == INSN_OFF_MASK)
+		orig_masked.off = INSN_OFF_MASK;
+
+	return memcmp(&orig_masked, masked, sizeof(orig_masked)) == 0;
+}
+
+static int find_insn_subseq(struct bpf_insn *seq, struct bpf_insn *subseq,
+			    int seq_len, int subseq_len)
+{
+	int i, j;
+
+	if (subseq_len > seq_len)
+		return -1;
+
+	for (i = 0; i < seq_len - subseq_len + 1; ++i) {
+		bool found = true;
+
+		for (j = 0; j < subseq_len; ++j) {
+			if (!compare_masked_insn(&seq[i + j], &subseq[j])) {
+				found = false;
+				break;
+			}
+		}
+		if (found)
+			return i;
+	}
+
+	return -1;
+}
+
+static int find_skip_insn_marker(struct bpf_insn *seq, int len)
+{
+	int i;
+
+	for (i = 0; i < len; ++i)
+		if (is_skip_insn(&seq[i]))
+			return i;
+
+	return -1;
+}
+
+/* Return true if all sub-sequences in `subseqs` could be found in
+ * `seq` one after another. Sub-sequences are separated by a single
+ * nil instruction.
+ */
+static bool find_all_insn_subseqs(struct bpf_insn *seq, struct bpf_insn *subseqs,
+				  int seq_len, int max_subseqs_len)
+{
+	int subseqs_len = null_terminated_insn_len(subseqs, max_subseqs_len);
+
+	while (subseqs_len > 0) {
+		int skip_idx = find_skip_insn_marker(subseqs, subseqs_len);
+		int cur_subseq_len = skip_idx < 0 ? subseqs_len : skip_idx;
+		int subseq_idx = find_insn_subseq(seq, subseqs,
+						  seq_len, cur_subseq_len);
+
+		if (subseq_idx < 0)
+			return false;
+		seq += subseq_idx + cur_subseq_len;
+		seq_len -= subseq_idx + cur_subseq_len;
+		subseqs += cur_subseq_len + 1;
+		subseqs_len -= cur_subseq_len + 1;
+	}
+
+	return true;
+}
+
+static void print_insn(struct bpf_insn *buf, int cnt)
+{
+	int i;
+
+	printf("  addr  op d s off  imm\n");
+	for (i = 0; i < cnt; ++i) {
+		struct bpf_insn *insn = &buf[i];
+
+		if (is_null_insn(insn))
+			break;
+
+		if (is_skip_insn(insn))
+			printf("  ...\n");
+		else
+			printf("  %04x: %02x %1x %x %04hx %08x\n",
+			       i, insn->code, insn->dst_reg,
+			       insn->src_reg, insn->off, insn->imm);
+	}
+}
+
+static bool check_xlated_program(struct bpf_test *test, int fd_prog)
+{
+	struct bpf_insn *buf;
+	int cnt;
+	bool result = true;
+	bool check_expected = !is_null_insn(test->expected_insns);
+	bool check_unexpected = !is_null_insn(test->unexpected_insns);
+
+	if (!check_expected && !check_unexpected)
+		goto out;
+
+	if (get_xlated_program(fd_prog, &buf, &cnt)) {
+		printf("FAIL: can't get xlated program\n");
+		result = false;
+		goto out;
+	}
+
+	if (check_expected &&
+	    !find_all_insn_subseqs(buf, test->expected_insns,
+				   cnt, MAX_EXPECTED_INSNS)) {
+		printf("FAIL: can't find expected subsequence of instructions\n");
+		result = false;
+		if (verbose) {
+			printf("Program:\n");
+			print_insn(buf, cnt);
+			printf("Expected subsequence:\n");
+			print_insn(test->expected_insns, MAX_EXPECTED_INSNS);
+		}
+	}
+
+	if (check_unexpected &&
+	    find_all_insn_subseqs(buf, test->unexpected_insns,
+				  cnt, MAX_UNEXPECTED_INSNS)) {
+		printf("FAIL: found unexpected subsequence of instructions\n");
+		result = false;
+		if (verbose) {
+			printf("Program:\n");
+			print_insn(buf, cnt);
+			printf("Un-expected subsequence:\n");
+			print_insn(test->unexpected_insns, MAX_UNEXPECTED_INSNS);
+		}
+	}
+
+	free(buf);
+ out:
+	return result;
+}
+
+static void do_test_single(struct bpf_test *test, bool unpriv,
+			   int *passes, int *errors)
+{
+	int fd_prog, btf_fd, expected_ret, alignment_prevented_execution;
+	int prog_len, prog_type = test->prog_type;
+	struct bpf_insn *prog = test->insns;
+	LIBBPF_OPTS(bpf_prog_load_opts, opts);
+	int run_errs, run_successes;
+	int map_fds[MAX_NR_MAPS];
+	const char *expected_err;
+	int saved_errno;
+	int fixup_skips;
+	__u32 pflags;
+	int i, err;
+
+	fd_prog = -1;
+	for (i = 0; i < MAX_NR_MAPS; i++)
+		map_fds[i] = -1;
+	btf_fd = -1;
+
+	if (!prog_type)
+		prog_type = BPF_PROG_TYPE_SOCKET_FILTER;
+	fixup_skips = skips;
+	do_test_fixup(test, prog_type, prog, map_fds);
+	if (test->fill_insns) {
+		prog = test->fill_insns;
+		prog_len = test->prog_len;
+	} else {
+		prog_len = probe_filter_length(prog);
+	}
+	/* If there were some map skips during fixup due to missing bpf
+	 * features, skip this test.
+	 */
+	if (fixup_skips != skips)
+		return;
+
+	pflags = BPF_F_TEST_RND_HI32;
+	if (test->flags & F_LOAD_WITH_STRICT_ALIGNMENT)
+		pflags |= BPF_F_STRICT_ALIGNMENT;
+	if (test->flags & F_NEEDS_EFFICIENT_UNALIGNED_ACCESS)
+		pflags |= BPF_F_ANY_ALIGNMENT;
+	if (test->flags & ~3)
+		pflags |= test->flags;
+
+	expected_ret = unpriv && test->result_unpriv != UNDEF ?
+		       test->result_unpriv : test->result;
+	expected_err = unpriv && test->errstr_unpriv ?
+		       test->errstr_unpriv : test->errstr;
+
+	opts.expected_attach_type = test->expected_attach_type;
+	if (verbose)
+		opts.log_level = VERBOSE_LIBBPF_LOG_LEVEL;
+	else if (expected_ret == VERBOSE_ACCEPT)
+		opts.log_level = 2;
+	else
+		opts.log_level = DEFAULT_LIBBPF_LOG_LEVEL;
+	opts.prog_flags = pflags;
+
+	if ((prog_type == BPF_PROG_TYPE_TRACING ||
+	     prog_type == BPF_PROG_TYPE_LSM) && test->kfunc) {
+		int attach_btf_id;
+
+		attach_btf_id = libbpf_find_vmlinux_btf_id(test->kfunc,
+						opts.expected_attach_type);
+		if (attach_btf_id < 0) {
+			printf("FAIL\nFailed to find BTF ID for '%s'!\n",
+				test->kfunc);
+			(*errors)++;
+			return;
+		}
+
+		opts.attach_btf_id = attach_btf_id;
+	}
+
+	if (test->btf_types[0] != 0) {
+		btf_fd = load_btf_for_test(test);
+		if (btf_fd < 0)
+			goto fail_log;
+		opts.prog_btf_fd = btf_fd;
+	}
+
+	if (test->func_info_cnt != 0) {
+		opts.func_info = test->func_info;
+		opts.func_info_cnt = test->func_info_cnt;
+		opts.func_info_rec_size = sizeof(test->func_info[0]);
+	}
+
+	opts.log_buf = bpf_vlog;
+	opts.log_size = sizeof(bpf_vlog);
+	fd_prog = bpf_prog_load(prog_type, NULL, "GPL", prog, prog_len, &opts);
+	saved_errno = errno;
+
+	/* BPF_PROG_TYPE_TRACING requires more setup and
+	 * bpf_probe_prog_type won't give correct answer
+	 */
+	if (fd_prog < 0 && prog_type != BPF_PROG_TYPE_TRACING &&
+	    !libbpf_probe_bpf_prog_type(prog_type, NULL)) {
+		printf("SKIP (unsupported program type %d)\n", prog_type);
+		skips++;
+		goto close_fds;
+	}
+
+	if (fd_prog < 0 && saved_errno == ENOTSUPP) {
+		printf("SKIP (program uses an unsupported feature)\n");
+		skips++;
+		goto close_fds;
+	}
+
+	alignment_prevented_execution = 0;
+
+	if (expected_ret == ACCEPT || expected_ret == VERBOSE_ACCEPT) {
+		if (fd_prog < 0) {
+			printf("FAIL\nFailed to load prog '%s'!\n",
+			       strerror(saved_errno));
+			goto fail_log;
+		}
+#ifndef CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS
+		if (fd_prog >= 0 &&
+		    (test->flags & F_NEEDS_EFFICIENT_UNALIGNED_ACCESS))
+			alignment_prevented_execution = 1;
+#endif
+		if (expected_ret == VERBOSE_ACCEPT && !cmp_str_seq(bpf_vlog, expected_err)) {
+			goto fail_log;
+		}
+	} else {
+		if (fd_prog >= 0) {
+			printf("FAIL\nUnexpected success to load!\n");
+			goto fail_log;
+		}
+		if (!expected_err || !cmp_str_seq(bpf_vlog, expected_err)) {
+			printf("FAIL\nUnexpected error message!\n\tEXP: %s\n\tRES: %s\n",
+			      expected_err, bpf_vlog);
+			goto fail_log;
+		}
+	}
+
+	if (!unpriv && test->insn_processed) {
+		uint32_t insn_processed;
+		char *proc;
+
+		proc = strstr(bpf_vlog, "processed ");
+		insn_processed = atoi(proc + 10);
+		if (test->insn_processed != insn_processed) {
+			printf("FAIL\nUnexpected insn_processed %u vs %u\n",
+			       insn_processed, test->insn_processed);
+			goto fail_log;
+		}
+	}
+
+	if (verbose)
+		printf(", verifier log:\n%s", bpf_vlog);
+
+	if (!check_xlated_program(test, fd_prog))
+		goto fail_log;
+
+	run_errs = 0;
+	run_successes = 0;
+	if (!alignment_prevented_execution && fd_prog >= 0 && test->runs >= 0) {
+		uint32_t expected_val;
+		int i;
+
+		if (!test->runs)
+			test->runs = 1;
+
+		for (i = 0; i < test->runs; i++) {
+			if (unpriv && test->retvals[i].retval_unpriv)
+				expected_val = test->retvals[i].retval_unpriv;
+			else
+				expected_val = test->retvals[i].retval;
+
+			err = do_prog_test_run(fd_prog, unpriv, expected_val,
+					       test->retvals[i].data,
+					       sizeof(test->retvals[i].data));
+			if (err) {
+				printf("(run %d/%d) ", i + 1, test->runs);
+				run_errs++;
+			} else {
+				run_successes++;
+			}
+		}
+	}
+
+	if (!run_errs) {
+		(*passes)++;
+		if (run_successes > 1)
+			printf("%d cases ", run_successes);
+		printf("OK");
+		if (alignment_prevented_execution)
+			printf(" (NOTE: not executed due to unknown alignment)");
+		printf("\n");
+	} else {
+		printf("\n");
+		goto fail_log;
+	}
+close_fds:
+	if (test->fill_insns)
+		free(test->fill_insns);
+	close(fd_prog);
+	close(btf_fd);
+	for (i = 0; i < MAX_NR_MAPS; i++)
+		close(map_fds[i]);
+	sched_yield();
+	return;
+fail_log:
+	(*errors)++;
+	printf("%s", bpf_vlog);
+	goto close_fds;
+}
+
+static bool is_admin(void)
+{
+	__u64 caps;
+
+	/* The test checks for finer cap as CAP_NET_ADMIN,
+	 * CAP_PERFMON, and CAP_BPF instead of CAP_SYS_ADMIN.
+	 * Thus, disable CAP_SYS_ADMIN at the beginning.
+	 */
+	if (cap_disable_effective(1ULL << CAP_SYS_ADMIN, &caps)) {
+		perror("cap_disable_effective(CAP_SYS_ADMIN)");
+		return false;
+	}
+
+	return (caps & ADMIN_CAPS) == ADMIN_CAPS;
+}
+
+static void get_unpriv_disabled()
+{
+	char buf[2];
+	FILE *fd;
+
+	fd = fopen("/proc/sys/"UNPRIV_SYSCTL, "r");
+	if (!fd) {
+		perror("fopen /proc/sys/"UNPRIV_SYSCTL);
+		unpriv_disabled = true;
+		return;
+	}
+	if (fgets(buf, 2, fd) == buf && atoi(buf))
+		unpriv_disabled = true;
+	fclose(fd);
+}
+
+static bool test_as_unpriv(struct bpf_test *test)
+{
+#ifndef CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS
+	/* Some architectures have strict alignment requirements. In
+	 * that case, the BPF verifier detects if a program has
+	 * unaligned accesses and rejects them. A user can pass
+	 * BPF_F_ANY_ALIGNMENT to a program to override this
+	 * check. That, however, will only work when a privileged user
+	 * loads a program. An unprivileged user loading a program
+	 * with this flag will be rejected prior entering the
+	 * verifier.
+	 */
+	if (test->flags & F_NEEDS_EFFICIENT_UNALIGNED_ACCESS)
+		return false;
+#endif
+	return !test->prog_type ||
+	       test->prog_type == BPF_PROG_TYPE_SOCKET_FILTER ||
+	       test->prog_type == BPF_PROG_TYPE_CGROUP_SKB;
+}
+
+static int do_test(bool unpriv, unsigned int from, unsigned int to)
+{
+	int i, passes = 0, errors = 0;
+
+	for (i = from; i < to; i++) {
+		struct bpf_test *test = &tests[i];
+
+		/* Program types that are not supported by non-root we
+		 * skip right away.
+		 */
+		if (test_as_unpriv(test) && unpriv_disabled) {
+			printf("#%d/u %s SKIP\n", i, test->descr);
+			skips++;
+		} else if (test_as_unpriv(test)) {
+			if (!unpriv)
+				set_admin(false);
+			printf("#%d/u %s ", i, test->descr);
+			do_test_single(test, true, &passes, &errors);
+			if (!unpriv)
+				set_admin(true);
+		}
+
+		if (unpriv) {
+			printf("#%d/p %s SKIP\n", i, test->descr);
+			skips++;
+		} else {
+			printf("#%d/p %s ", i, test->descr);
+			do_test_single(test, false, &passes, &errors);
+		}
+	}
+
+	printf("Summary: %d PASSED, %d SKIPPED, %d FAILED\n", passes,
+	       skips, errors);
+	return errors ? EXIT_FAILURE : EXIT_SUCCESS;
+}
+
+int main(int argc, char **argv)
+{
+	unsigned int from = 0, to = ARRAY_SIZE(tests);
+	bool unpriv = !is_admin();
+	int arg = 1;
+
+	if (argc > 1 && strcmp(argv[1], "-v") == 0) {
+		arg++;
+		verbose = true;
+		argc--;
+	}
+
+	if (argc == 3) {
+		unsigned int l = atoi(argv[arg]);
+		unsigned int u = atoi(argv[arg + 1]);
+
+		if (l < to && u < to) {
+			from = l;
+			to   = u + 1;
+		}
+	} else if (argc == 2) {
+		unsigned int t = atoi(argv[arg]);
+
+		if (t < to) {
+			from = t;
+			to   = t + 1;
+		}
+	}
+
+	get_unpriv_disabled();
+	if (unpriv && unpriv_disabled) {
+		printf("Cannot run as unprivileged user with sysctl %s.\n",
+		       UNPRIV_SYSCTL);
+		return EXIT_FAILURE;
+	}
+
+	/* Use libbpf 1.0 API mode */
+	libbpf_set_strict_mode(LIBBPF_STRICT_ALL);
+
+	bpf_semi_rand_init();
+	return do_test(unpriv, from, to);
+}
diff --git a/tools/testing/selftests/bpf/test_verifier_log.c b/tools/testing/selftests/bpf/test_verifier_log.c
new file mode 100644
index 000000000..70feda97c
--- /dev/null
+++ b/tools/testing/selftests/bpf/test_verifier_log.c
@@ -0,0 +1,175 @@
+#include <errno.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <unistd.h>
+#include <sys/time.h>
+
+#include <linux/bpf.h>
+#include <linux/filter.h>
+#include <linux/unistd.h>
+
+#include <bpf/bpf.h>
+
+#define LOG_SIZE (1 << 20)
+
+#define err(str...)	printf("ERROR: " str)
+
+static const struct bpf_insn code_sample[] = {
+	/* We need a few instructions to pass the min log length */
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
+		     BPF_FUNC_map_lookup_elem),
+	BPF_EXIT_INSN(),
+};
+
+static inline __u64 ptr_to_u64(const void *ptr)
+{
+	return (__u64) (unsigned long) ptr;
+}
+
+static int load(char *log, size_t log_len, int log_level)
+{
+	union bpf_attr attr;
+
+	bzero(&attr, sizeof(attr));
+	attr.prog_type = BPF_PROG_TYPE_SOCKET_FILTER;
+	attr.insn_cnt = (__u32)(sizeof(code_sample) / sizeof(struct bpf_insn));
+	attr.insns = ptr_to_u64(code_sample);
+	attr.license = ptr_to_u64("GPL");
+	attr.log_buf = ptr_to_u64(log);
+	attr.log_size = log_len;
+	attr.log_level = log_level;
+
+	return syscall(__NR_bpf, BPF_PROG_LOAD, &attr, sizeof(attr));
+}
+
+static void check_ret(int ret, int exp_errno)
+{
+	if (ret > 0) {
+		close(ret);
+		err("broken sample loaded successfully!?\n");
+		exit(1);
+	}
+
+	if (!ret || errno != exp_errno) {
+		err("Program load returned: ret:%d/errno:%d, expected ret:%d/errno:%d\n",
+		    ret, errno, -1, exp_errno);
+		exit(1);
+	}
+}
+
+static void check_ones(const char *buf, size_t len, const char *msg)
+{
+	while (len--)
+		if (buf[len] != 1) {
+			err("%s", msg);
+			exit(1);
+		}
+}
+
+static void test_log_good(char *log, size_t buf_len, size_t log_len,
+			  size_t exp_len, int exp_errno, const char *full_log)
+{
+	size_t len;
+	int ret;
+
+	memset(log, 1, buf_len);
+
+	ret = load(log, log_len, 1);
+	check_ret(ret, exp_errno);
+
+	len = strnlen(log, buf_len);
+	if (len == buf_len) {
+		err("verifier did not NULL terminate the log\n");
+		exit(1);
+	}
+	if (exp_len && len != exp_len) {
+		err("incorrect log length expected:%zd have:%zd\n",
+		    exp_len, len);
+		exit(1);
+	}
+
+	if (strchr(log, 1)) {
+		err("verifier leaked a byte through\n");
+		exit(1);
+	}
+
+	check_ones(log + len + 1, buf_len - len - 1,
+		   "verifier wrote bytes past NULL termination\n");
+
+	if (memcmp(full_log, log, LOG_SIZE)) {
+		err("log did not match expected output\n");
+		exit(1);
+	}
+}
+
+static void test_log_bad(char *log, size_t log_len, int log_level)
+{
+	int ret;
+
+	ret = load(log, log_len, log_level);
+	check_ret(ret, EINVAL);
+	if (log)
+		check_ones(log, LOG_SIZE,
+			   "verifier touched log with bad parameters\n");
+}
+
+int main(int argc, char **argv)
+{
+	char full_log[LOG_SIZE];
+	char log[LOG_SIZE];
+	size_t want_len;
+	int i;
+
+	memset(log, 1, LOG_SIZE);
+
+	/* Use libbpf 1.0 API mode */
+	libbpf_set_strict_mode(LIBBPF_STRICT_ALL);
+
+	/* Test incorrect attr */
+	printf("Test log_level 0...\n");
+	test_log_bad(log, LOG_SIZE, 0);
+
+	printf("Test log_size < 128...\n");
+	test_log_bad(log, 15, 1);
+
+	printf("Test log_buff = NULL...\n");
+	test_log_bad(NULL, LOG_SIZE, 1);
+
+	/* Test with log big enough */
+	printf("Test oversized buffer...\n");
+	test_log_good(full_log, LOG_SIZE, LOG_SIZE, 0, EACCES, full_log);
+
+	want_len = strlen(full_log);
+
+	printf("Test exact buffer...\n");
+	test_log_good(log, LOG_SIZE, want_len + 2, want_len, EACCES, full_log);
+
+	printf("Test undersized buffers...\n");
+	for (i = 0; i < 64; i++) {
+		full_log[want_len - i + 1] = 1;
+		full_log[want_len - i] = 0;
+
+		test_log_good(log, LOG_SIZE, want_len + 1 - i, want_len - i,
+			      ENOSPC, full_log);
+	}
+
+	printf("test_verifier_log: OK\n");
+	return 0;
+}
diff --git a/tools/testing/selftests/bpf/test_xdp_meta.sh b/tools/testing/selftests/bpf/test_xdp_meta.sh
new file mode 100755
index 000000000..2740322c1
--- /dev/null
+++ b/tools/testing/selftests/bpf/test_xdp_meta.sh
@@ -0,0 +1,58 @@
+#!/bin/sh
+
+BPF_FILE="test_xdp_meta.bpf.o"
+# Kselftest framework requirement - SKIP code is 4.
+readonly KSFT_SKIP=4
+readonly NS1="ns1-$(mktemp -u XXXXXX)"
+readonly NS2="ns2-$(mktemp -u XXXXXX)"
+
+cleanup()
+{
+	if [ "$?" = "0" ]; then
+		echo "selftests: test_xdp_meta [PASS]";
+	else
+		echo "selftests: test_xdp_meta [FAILED]";
+	fi
+
+	set +e
+	ip link del veth1 2> /dev/null
+	ip netns del ${NS1} 2> /dev/null
+	ip netns del ${NS2} 2> /dev/null
+}
+
+ip link set dev lo xdp off 2>/dev/null > /dev/null
+if [ $? -ne 0 ];then
+	echo "selftests: [SKIP] Could not run test without the ip xdp support"
+	exit $KSFT_SKIP
+fi
+set -e
+
+ip netns add ${NS1}
+ip netns add ${NS2}
+
+trap cleanup 0 2 3 6 9
+
+ip link add veth1 type veth peer name veth2
+
+ip link set veth1 netns ${NS1}
+ip link set veth2 netns ${NS2}
+
+ip netns exec ${NS1} ip addr add 10.1.1.11/24 dev veth1
+ip netns exec ${NS2} ip addr add 10.1.1.22/24 dev veth2
+
+ip netns exec ${NS1} tc qdisc add dev veth1 clsact
+ip netns exec ${NS2} tc qdisc add dev veth2 clsact
+
+ip netns exec ${NS1} tc filter add dev veth1 ingress bpf da obj ${BPF_FILE} sec t
+ip netns exec ${NS2} tc filter add dev veth2 ingress bpf da obj ${BPF_FILE} sec t
+
+ip netns exec ${NS1} ip link set dev veth1 xdp obj ${BPF_FILE} sec x
+ip netns exec ${NS2} ip link set dev veth2 xdp obj ${BPF_FILE} sec x
+
+ip netns exec ${NS1} ip link set dev veth1 up
+ip netns exec ${NS2} ip link set dev veth2 up
+
+ip netns exec ${NS1} ping -c 1 10.1.1.22
+ip netns exec ${NS2} ping -c 1 10.1.1.11
+
+exit 0
diff --git a/tools/testing/selftests/bpf/test_xdp_redirect.sh b/tools/testing/selftests/bpf/test_xdp_redirect.sh
new file mode 100755
index 000000000..0746a4fde
--- /dev/null
+++ b/tools/testing/selftests/bpf/test_xdp_redirect.sh
@@ -0,0 +1,79 @@
+#!/bin/bash
+# Create 2 namespaces with two veth peers, and
+# forward packets in-between using generic XDP
+#
+# NS1(veth11)     NS2(veth22)
+#     |               |
+#     |               |
+#   (veth1, ------ (veth2,
+#   id:111)         id:222)
+#     | xdp forwarding |
+#     ------------------
+
+readonly NS1="ns1-$(mktemp -u XXXXXX)"
+readonly NS2="ns2-$(mktemp -u XXXXXX)"
+ret=0
+
+setup()
+{
+
+	local xdpmode=$1
+
+	ip netns add ${NS1}
+	ip netns add ${NS2}
+
+	ip link add veth1 index 111 type veth peer name veth11 netns ${NS1}
+	ip link add veth2 index 222 type veth peer name veth22 netns ${NS2}
+
+	ip link set veth1 up
+	ip link set veth2 up
+	ip -n ${NS1} link set dev veth11 up
+	ip -n ${NS2} link set dev veth22 up
+
+	ip -n ${NS1} addr add 10.1.1.11/24 dev veth11
+	ip -n ${NS2} addr add 10.1.1.22/24 dev veth22
+}
+
+cleanup()
+{
+	ip link del veth1 2> /dev/null
+	ip link del veth2 2> /dev/null
+	ip netns del ${NS1} 2> /dev/null
+	ip netns del ${NS2} 2> /dev/null
+}
+
+test_xdp_redirect()
+{
+	local xdpmode=$1
+
+	setup
+
+	ip link set dev veth1 $xdpmode off &> /dev/null
+	if [ $? -ne 0 ];then
+		echo "selftests: test_xdp_redirect $xdpmode [SKIP]"
+		return 0
+	fi
+
+	ip -n ${NS1} link set veth11 $xdpmode obj xdp_dummy.bpf.o sec xdp &> /dev/null
+	ip -n ${NS2} link set veth22 $xdpmode obj xdp_dummy.bpf.o sec xdp &> /dev/null
+	ip link set dev veth1 $xdpmode obj test_xdp_redirect.bpf.o sec redirect_to_222 &> /dev/null
+	ip link set dev veth2 $xdpmode obj test_xdp_redirect.bpf.o sec redirect_to_111 &> /dev/null
+
+	if ip netns exec ${NS1} ping -c 1 10.1.1.22 &> /dev/null &&
+	   ip netns exec ${NS2} ping -c 1 10.1.1.11 &> /dev/null; then
+		echo "selftests: test_xdp_redirect $xdpmode [PASS]";
+	else
+		ret=1
+		echo "selftests: test_xdp_redirect $xdpmode [FAILED]";
+	fi
+
+	cleanup
+}
+
+set -e
+trap cleanup 2 3 6 9
+
+test_xdp_redirect xdpgeneric
+test_xdp_redirect xdpdrv
+
+exit $ret
diff --git a/tools/testing/selftests/bpf/test_xdp_redirect_multi.sh b/tools/testing/selftests/bpf/test_xdp_redirect_multi.sh
new file mode 100755
index 000000000..4c3c3fdd2
--- /dev/null
+++ b/tools/testing/selftests/bpf/test_xdp_redirect_multi.sh
@@ -0,0 +1,214 @@
+#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
+#
+# Test topology:
+#    - - - - - - - - - - - - - - - - - - -
+#    | veth1         veth2         veth3 |  ns0
+#     - -| - - - - - - | - - - - - - | - -
+#    ---------     ---------     ---------
+#    | veth0 |     | veth0 |     | veth0 |
+#    ---------     ---------     ---------
+#       ns1           ns2           ns3
+#
+# Test modules:
+# XDP modes: generic, native, native + egress_prog
+#
+# Test cases:
+#   ARP: Testing BPF_F_BROADCAST, the ingress interface also should receive
+#   the redirects.
+#      ns1 -> gw: ns1, ns2, ns3, should receive the arp request
+#   IPv4: Testing BPF_F_BROADCAST | BPF_F_EXCLUDE_INGRESS, the ingress
+#   interface should not receive the redirects.
+#      ns1 -> gw: ns1 should not receive, ns2, ns3 should receive redirects.
+#   IPv6: Testing none flag, all the pkts should be redirected back
+#      ping test: ns1 -> ns2 (block), echo requests will be redirect back
+#   egress_prog:
+#      all src mac should be egress interface's mac
+
+# netns numbers
+NUM=3
+IFACES=""
+DRV_MODE="xdpgeneric xdpdrv xdpegress"
+PASS=0
+FAIL=0
+LOG_DIR=$(mktemp -d)
+declare -a NS
+NS[0]="ns0-$(mktemp -u XXXXXX)"
+NS[1]="ns1-$(mktemp -u XXXXXX)"
+NS[2]="ns2-$(mktemp -u XXXXXX)"
+NS[3]="ns3-$(mktemp -u XXXXXX)"
+
+test_pass()
+{
+	echo "Pass: $@"
+	PASS=$((PASS + 1))
+}
+
+test_fail()
+{
+	echo "fail: $@"
+	FAIL=$((FAIL + 1))
+}
+
+clean_up()
+{
+	for i in $(seq 0 $NUM); do
+		ip netns del ${NS[$i]} 2> /dev/null
+	done
+}
+
+# Kselftest framework requirement - SKIP code is 4.
+check_env()
+{
+	ip link set dev lo xdpgeneric off &>/dev/null
+	if [ $? -ne 0 ];then
+		echo "selftests: [SKIP] Could not run test without the ip xdpgeneric support"
+		exit 4
+	fi
+
+	which tcpdump &>/dev/null
+	if [ $? -ne 0 ];then
+		echo "selftests: [SKIP] Could not run test without tcpdump"
+		exit 4
+	fi
+}
+
+setup_ns()
+{
+	local mode=$1
+	IFACES=""
+
+	if [ "$mode" = "xdpegress" ]; then
+		mode="xdpdrv"
+	fi
+
+	ip netns add ${NS[0]}
+	for i in $(seq $NUM); do
+	        ip netns add ${NS[$i]}
+		ip -n ${NS[$i]} link add veth0 type veth peer name veth$i netns ${NS[0]}
+		ip -n ${NS[$i]} link set veth0 up
+		ip -n ${NS[0]} link set veth$i up
+
+		ip -n ${NS[$i]} addr add 192.0.2.$i/24 dev veth0
+		ip -n ${NS[$i]} addr add 2001:db8::$i/64 dev veth0
+		# Add a neigh entry for IPv4 ping test
+		ip -n ${NS[$i]} neigh add 192.0.2.253 lladdr 00:00:00:00:00:01 dev veth0
+		ip -n ${NS[$i]} link set veth0 $mode obj \
+			xdp_dummy.bpf.o sec xdp &> /dev/null || \
+			{ test_fail "Unable to load dummy xdp" && exit 1; }
+		IFACES="$IFACES veth$i"
+		veth_mac[$i]=$(ip -n ${NS[0]} link show veth$i | awk '/link\/ether/ {print $2}')
+	done
+}
+
+do_egress_tests()
+{
+	local mode=$1
+
+	# mac test
+	ip netns exec ${NS[2]} tcpdump -e -i veth0 -nn -l -e &> ${LOG_DIR}/mac_ns1-2_${mode}.log &
+	ip netns exec ${NS[3]} tcpdump -e -i veth0 -nn -l -e &> ${LOG_DIR}/mac_ns1-3_${mode}.log &
+	sleep 0.5
+	ip netns exec ${NS[1]} ping 192.0.2.254 -i 0.1 -c 4 &> /dev/null
+	sleep 0.5
+	pkill tcpdump
+
+	# mac check
+	grep -q "${veth_mac[2]} > ff:ff:ff:ff:ff:ff" ${LOG_DIR}/mac_ns1-2_${mode}.log && \
+	       test_pass "$mode mac ns1-2" || test_fail "$mode mac ns1-2"
+	grep -q "${veth_mac[3]} > ff:ff:ff:ff:ff:ff" ${LOG_DIR}/mac_ns1-3_${mode}.log && \
+		test_pass "$mode mac ns1-3" || test_fail "$mode mac ns1-3"
+}
+
+do_ping_tests()
+{
+	local mode=$1
+
+	# ping6 test: echo request should be redirect back to itself, not others
+	ip netns exec ${NS[1]} ip neigh add 2001:db8::2 dev veth0 lladdr 00:00:00:00:00:02
+
+	ip netns exec ${NS[1]} tcpdump -i veth0 -nn -l -e &> ${LOG_DIR}/ns1-1_${mode}.log &
+	ip netns exec ${NS[2]} tcpdump -i veth0 -nn -l -e &> ${LOG_DIR}/ns1-2_${mode}.log &
+	ip netns exec ${NS[3]} tcpdump -i veth0 -nn -l -e &> ${LOG_DIR}/ns1-3_${mode}.log &
+	sleep 0.5
+	# ARP test
+	ip netns exec ${NS[1]} arping -q -c 2 -I veth0 192.0.2.254
+	# IPv4 test
+	ip netns exec ${NS[1]} ping 192.0.2.253 -i 0.1 -c 4 &> /dev/null
+	# IPv6 test
+	ip netns exec ${NS[1]} ping6 2001:db8::2 -i 0.1 -c 2 &> /dev/null
+	sleep 0.5
+	pkill tcpdump
+
+	# All netns should receive the redirect arp requests
+	[ $(grep -cF "who-has 192.0.2.254" ${LOG_DIR}/ns1-1_${mode}.log) -eq 4 ] && \
+		test_pass "$mode arp(F_BROADCAST) ns1-1" || \
+		test_fail "$mode arp(F_BROADCAST) ns1-1"
+	[ $(grep -cF "who-has 192.0.2.254" ${LOG_DIR}/ns1-2_${mode}.log) -eq 2 ] && \
+		test_pass "$mode arp(F_BROADCAST) ns1-2" || \
+		test_fail "$mode arp(F_BROADCAST) ns1-2"
+	[ $(grep -cF "who-has 192.0.2.254" ${LOG_DIR}/ns1-3_${mode}.log) -eq 2 ] && \
+		test_pass "$mode arp(F_BROADCAST) ns1-3" || \
+		test_fail "$mode arp(F_BROADCAST) ns1-3"
+
+	# ns1 should not receive the redirect echo request, others should
+	[ $(grep -c "ICMP echo request" ${LOG_DIR}/ns1-1_${mode}.log) -eq 4 ] && \
+		test_pass "$mode IPv4 (F_BROADCAST|F_EXCLUDE_INGRESS) ns1-1" || \
+		test_fail "$mode IPv4 (F_BROADCAST|F_EXCLUDE_INGRESS) ns1-1"
+	[ $(grep -c "ICMP echo request" ${LOG_DIR}/ns1-2_${mode}.log) -eq 4 ] && \
+		test_pass "$mode IPv4 (F_BROADCAST|F_EXCLUDE_INGRESS) ns1-2" || \
+		test_fail "$mode IPv4 (F_BROADCAST|F_EXCLUDE_INGRESS) ns1-2"
+	[ $(grep -c "ICMP echo request" ${LOG_DIR}/ns1-3_${mode}.log) -eq 4 ] && \
+		test_pass "$mode IPv4 (F_BROADCAST|F_EXCLUDE_INGRESS) ns1-3" || \
+		test_fail "$mode IPv4 (F_BROADCAST|F_EXCLUDE_INGRESS) ns1-3"
+
+	# ns1 should receive the echo request, ns2 should not
+	[ $(grep -c "ICMP6, echo request" ${LOG_DIR}/ns1-1_${mode}.log) -eq 4 ] && \
+		test_pass "$mode IPv6 (no flags) ns1-1" || \
+		test_fail "$mode IPv6 (no flags) ns1-1"
+	[ $(grep -c "ICMP6, echo request" ${LOG_DIR}/ns1-2_${mode}.log) -eq 0 ] && \
+		test_pass "$mode IPv6 (no flags) ns1-2" || \
+		test_fail "$mode IPv6 (no flags) ns1-2"
+}
+
+do_tests()
+{
+	local mode=$1
+	local drv_p
+
+	case ${mode} in
+		xdpdrv)  drv_p="-N";;
+		xdpegress) drv_p="-X";;
+		xdpgeneric) drv_p="-S";;
+	esac
+
+	ip netns exec ${NS[0]} ./xdp_redirect_multi $drv_p $IFACES &> ${LOG_DIR}/xdp_redirect_${mode}.log &
+	xdp_pid=$!
+	sleep 1
+	if ! ps -p $xdp_pid > /dev/null; then
+		test_fail "$mode xdp_redirect_multi start failed"
+		return 1
+	fi
+
+	if [ "$mode" = "xdpegress" ]; then
+		do_egress_tests $mode
+	else
+		do_ping_tests $mode
+	fi
+
+	kill $xdp_pid
+}
+
+check_env
+
+trap clean_up EXIT
+
+for mode in ${DRV_MODE}; do
+	setup_ns $mode
+	do_tests $mode
+	clean_up
+done
+rm -rf ${LOG_DIR}
+
+echo "Summary: PASS $PASS, FAIL $FAIL"
+[ $FAIL -eq 0 ] && exit 0 || exit 1
diff --git a/tools/testing/selftests/bpf/test_xdp_veth.sh b/tools/testing/selftests/bpf/test_xdp_veth.sh
new file mode 100755
index 000000000..5211ca9a0
--- /dev/null
+++ b/tools/testing/selftests/bpf/test_xdp_veth.sh
@@ -0,0 +1,121 @@
+#!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
+#
+# Create 3 namespaces with 3 veth peers, and
+# forward packets in-between using native XDP
+#
+#                      XDP_TX
+# NS1(veth11)        NS2(veth22)        NS3(veth33)
+#      |                  |                  |
+#      |                  |                  |
+#   (veth1,            (veth2,            (veth3,
+#   id:111)            id:122)            id:133)
+#     ^ |                ^ |                ^ |
+#     | |  XDP_REDIRECT  | |  XDP_REDIRECT  | |
+#     | ------------------ ------------------ |
+#     -----------------------------------------
+#                    XDP_REDIRECT
+
+# Kselftest framework requirement - SKIP code is 4.
+ksft_skip=4
+
+TESTNAME=xdp_veth
+BPF_FS=$(awk '$3 == "bpf" {print $2; exit}' /proc/mounts)
+BPF_DIR=$BPF_FS/test_$TESTNAME
+readonly NS1="ns1-$(mktemp -u XXXXXX)"
+readonly NS2="ns2-$(mktemp -u XXXXXX)"
+readonly NS3="ns3-$(mktemp -u XXXXXX)"
+
+_cleanup()
+{
+	set +e
+	ip link del veth1 2> /dev/null
+	ip link del veth2 2> /dev/null
+	ip link del veth3 2> /dev/null
+	ip netns del ${NS1} 2> /dev/null
+	ip netns del ${NS2} 2> /dev/null
+	ip netns del ${NS3} 2> /dev/null
+	rm -rf $BPF_DIR 2> /dev/null
+}
+
+cleanup_skip()
+{
+	echo "selftests: $TESTNAME [SKIP]"
+	_cleanup
+
+	exit $ksft_skip
+}
+
+cleanup()
+{
+	if [ "$?" = 0 ]; then
+		echo "selftests: $TESTNAME [PASS]"
+	else
+		echo "selftests: $TESTNAME [FAILED]"
+	fi
+	_cleanup
+}
+
+if [ $(id -u) -ne 0 ]; then
+	echo "selftests: $TESTNAME [SKIP] Need root privileges"
+	exit $ksft_skip
+fi
+
+if ! ip link set dev lo xdp off > /dev/null 2>&1; then
+	echo "selftests: $TESTNAME [SKIP] Could not run test without the ip xdp support"
+	exit $ksft_skip
+fi
+
+if [ -z "$BPF_FS" ]; then
+	echo "selftests: $TESTNAME [SKIP] Could not run test without bpffs mounted"
+	exit $ksft_skip
+fi
+
+if ! bpftool version > /dev/null 2>&1; then
+	echo "selftests: $TESTNAME [SKIP] Could not run test without bpftool"
+	exit $ksft_skip
+fi
+
+set -e
+
+trap cleanup_skip EXIT
+
+ip netns add ${NS1}
+ip netns add ${NS2}
+ip netns add ${NS3}
+
+ip link add veth1 index 111 type veth peer name veth11 netns ${NS1}
+ip link add veth2 index 122 type veth peer name veth22 netns ${NS2}
+ip link add veth3 index 133 type veth peer name veth33 netns ${NS3}
+
+ip link set veth1 up
+ip link set veth2 up
+ip link set veth3 up
+
+ip -n ${NS1} addr add 10.1.1.11/24 dev veth11
+ip -n ${NS3} addr add 10.1.1.33/24 dev veth33
+
+ip -n ${NS1} link set dev veth11 up
+ip -n ${NS2} link set dev veth22 up
+ip -n ${NS3} link set dev veth33 up
+
+mkdir $BPF_DIR
+bpftool prog loadall \
+	xdp_redirect_map.bpf.o $BPF_DIR/progs type xdp \
+	pinmaps $BPF_DIR/maps
+bpftool map update pinned $BPF_DIR/maps/tx_port key 0 0 0 0 value 122 0 0 0
+bpftool map update pinned $BPF_DIR/maps/tx_port key 1 0 0 0 value 133 0 0 0
+bpftool map update pinned $BPF_DIR/maps/tx_port key 2 0 0 0 value 111 0 0 0
+ip link set dev veth1 xdp pinned $BPF_DIR/progs/xdp_redirect_map_0
+ip link set dev veth2 xdp pinned $BPF_DIR/progs/xdp_redirect_map_1
+ip link set dev veth3 xdp pinned $BPF_DIR/progs/xdp_redirect_map_2
+
+ip -n ${NS1} link set dev veth11 xdp obj xdp_dummy.bpf.o sec xdp
+ip -n ${NS2} link set dev veth22 xdp obj xdp_tx.bpf.o sec xdp
+ip -n ${NS3} link set dev veth33 xdp obj xdp_dummy.bpf.o sec xdp
+
+trap cleanup EXIT
+
+ip netns exec ${NS1} ping -c 1 -W 1 10.1.1.33
+
+exit 0
diff --git a/tools/testing/selftests/bpf/test_xdp_vlan.sh b/tools/testing/selftests/bpf/test_xdp_vlan.sh
new file mode 100755
index 000000000..fbcaa9f01
--- /dev/null
+++ b/tools/testing/selftests/bpf/test_xdp_vlan.sh
@@ -0,0 +1,233 @@
+#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
+# Author: Jesper Dangaard Brouer <hawk@kernel.org>
+
+# Kselftest framework requirement - SKIP code is 4.
+readonly KSFT_SKIP=4
+readonly NS1="ns1-$(mktemp -u XXXXXX)"
+readonly NS2="ns2-$(mktemp -u XXXXXX)"
+
+# Allow wrapper scripts to name test
+if [ -z "$TESTNAME" ]; then
+    TESTNAME=xdp_vlan
+fi
+
+# Default XDP mode
+XDP_MODE=xdpgeneric
+
+usage() {
+  echo "Testing XDP + TC eBPF VLAN manipulations: $TESTNAME"
+  echo ""
+  echo "Usage: $0 [-vfh]"
+  echo "  -v | --verbose : Verbose"
+  echo "  --flush        : Flush before starting (e.g. after --interactive)"
+  echo "  --interactive  : Keep netns setup running after test-run"
+  echo "  --mode=XXX     : Choose XDP mode (xdp | xdpgeneric | xdpdrv)"
+  echo ""
+}
+
+valid_xdp_mode()
+{
+	local mode=$1
+
+	case "$mode" in
+		xdpgeneric | xdpdrv | xdp)
+			return 0
+			;;
+		*)
+			return 1
+	esac
+}
+
+cleanup()
+{
+	local status=$?
+
+	if [ "$status" = "0" ]; then
+		echo "selftests: $TESTNAME [PASS]";
+	else
+		echo "selftests: $TESTNAME [FAILED]";
+	fi
+
+	if [ -n "$INTERACTIVE" ]; then
+		echo "Namespace setup still active explore with:"
+		echo " ip netns exec ${NS1} bash"
+		echo " ip netns exec ${NS2} bash"
+		exit $status
+	fi
+
+	set +e
+	ip link del veth1 2> /dev/null
+	ip netns del ${NS1} 2> /dev/null
+	ip netns del ${NS2} 2> /dev/null
+}
+
+# Using external program "getopt" to get --long-options
+OPTIONS=$(getopt -o hvfi: \
+    --long verbose,flush,help,interactive,debug,mode: -- "$@")
+if (( $? != 0 )); then
+    usage
+    echo "selftests: $TESTNAME [FAILED] Error calling getopt, unknown option?"
+    exit 2
+fi
+eval set -- "$OPTIONS"
+
+##  --- Parse command line arguments / parameters ---
+while true; do
+	case "$1" in
+	    -v | --verbose)
+		export VERBOSE=yes
+		shift
+		;;
+	    -i | --interactive | --debug )
+		INTERACTIVE=yes
+		shift
+		;;
+	    -f | --flush )
+		cleanup
+		shift
+		;;
+	    --mode )
+		shift
+		XDP_MODE=$1
+		shift
+		;;
+	    -- )
+		shift
+		break
+		;;
+	    -h | --help )
+		usage;
+		echo "selftests: $TESTNAME [SKIP] usage help info requested"
+		exit $KSFT_SKIP
+		;;
+	    * )
+		shift
+		break
+		;;
+	esac
+done
+
+if [ "$EUID" -ne 0 ]; then
+	echo "selftests: $TESTNAME [FAILED] need root privileges"
+	exit 1
+fi
+
+valid_xdp_mode $XDP_MODE
+if [ $? -ne 0 ]; then
+	echo "selftests: $TESTNAME [FAILED] unknown XDP mode ($XDP_MODE)"
+	exit 1
+fi
+
+ip link set dev lo xdpgeneric off 2>/dev/null > /dev/null
+if [ $? -ne 0 ]; then
+	echo "selftests: $TESTNAME [SKIP] need ip xdp support"
+	exit $KSFT_SKIP
+fi
+
+# Interactive mode likely require us to cleanup netns
+if [ -n "$INTERACTIVE" ]; then
+	ip link del veth1 2> /dev/null
+	ip netns del ${NS1} 2> /dev/null
+	ip netns del ${NS2} 2> /dev/null
+fi
+
+# Exit on failure
+set -e
+
+# Some shell-tools dependencies
+which ip > /dev/null
+which tc > /dev/null
+which ethtool > /dev/null
+
+# Make rest of shell verbose, showing comments as doc/info
+if [ -n "$VERBOSE" ]; then
+    set -v
+fi
+
+# Create two namespaces
+ip netns add ${NS1}
+ip netns add ${NS2}
+
+# Run cleanup if failing or on kill
+trap cleanup 0 2 3 6 9
+
+# Create veth pair
+ip link add veth1 type veth peer name veth2
+
+# Move veth1 and veth2 into the respective namespaces
+ip link set veth1 netns ${NS1}
+ip link set veth2 netns ${NS2}
+
+# NOTICE: XDP require VLAN header inside packet payload
+#  - Thus, disable VLAN offloading driver features
+#  - For veth REMEMBER TX side VLAN-offload
+#
+# Disable rx-vlan-offload (mostly needed on ns1)
+ip netns exec ${NS1} ethtool -K veth1 rxvlan off
+ip netns exec ${NS2} ethtool -K veth2 rxvlan off
+#
+# Disable tx-vlan-offload (mostly needed on ns2)
+ip netns exec ${NS2} ethtool -K veth2 txvlan off
+ip netns exec ${NS1} ethtool -K veth1 txvlan off
+
+export IPADDR1=100.64.41.1
+export IPADDR2=100.64.41.2
+
+# In ns1/veth1 add IP-addr on plain net_device
+ip netns exec ${NS1} ip addr add ${IPADDR1}/24 dev veth1
+ip netns exec ${NS1} ip link set veth1 up
+
+# In ns2/veth2 create VLAN device
+export VLAN=4011
+export DEVNS2=veth2
+ip netns exec ${NS2} ip link add link $DEVNS2 name $DEVNS2.$VLAN type vlan id $VLAN
+ip netns exec ${NS2} ip addr add ${IPADDR2}/24 dev $DEVNS2.$VLAN
+ip netns exec ${NS2} ip link set $DEVNS2 up
+ip netns exec ${NS2} ip link set $DEVNS2.$VLAN up
+
+# Bringup lo in netns (to avoids confusing people using --interactive)
+ip netns exec ${NS1} ip link set lo up
+ip netns exec ${NS2} ip link set lo up
+
+# At this point, the hosts cannot reach each-other,
+# because ns2 are using VLAN tags on the packets.
+
+ip netns exec ${NS2} sh -c 'ping -W 1 -c 1 100.64.41.1 || echo "Success: First ping must fail"'
+
+
+# Now we can use the test_xdp_vlan.c program to pop/push these VLAN tags
+# ----------------------------------------------------------------------
+# In ns1: ingress use XDP to remove VLAN tags
+export DEVNS1=veth1
+export BPF_FILE=test_xdp_vlan.bpf.o
+
+# First test: Remove VLAN by setting VLAN ID 0, using "xdp_vlan_change"
+export XDP_PROG=xdp_vlan_change
+ip netns exec ${NS1} ip link set $DEVNS1 $XDP_MODE object $BPF_FILE section $XDP_PROG
+
+# In ns1: egress use TC to add back VLAN tag 4011
+#  (del cmd)
+#  tc qdisc del dev $DEVNS1 clsact 2> /dev/null
+#
+ip netns exec ${NS1} tc qdisc add dev $DEVNS1 clsact
+ip netns exec ${NS1} tc filter add dev $DEVNS1 egress \
+  prio 1 handle 1 bpf da obj $BPF_FILE sec tc_vlan_push
+
+# Now the namespaces can reach each-other, test with ping:
+ip netns exec ${NS2} ping -i 0.2 -W 2 -c 2 $IPADDR1
+ip netns exec ${NS1} ping -i 0.2 -W 2 -c 2 $IPADDR2
+
+# Second test: Replace xdp prog, that fully remove vlan header
+#
+# Catch kernel bug for generic-XDP, that does didn't allow us to
+# remove a VLAN header, because skb->protocol still contain VLAN
+# ETH_P_8021Q indication, and this cause overwriting of our changes.
+#
+export XDP_PROG=xdp_vlan_remove_outer2
+ip netns exec ${NS1} ip link set $DEVNS1 $XDP_MODE off
+ip netns exec ${NS1} ip link set $DEVNS1 $XDP_MODE object $BPF_FILE section $XDP_PROG
+
+# Now the namespaces should still be able reach each-other, test with ping:
+ip netns exec ${NS2} ping -i 0.2 -W 2 -c 2 $IPADDR1
+ip netns exec ${NS1} ping -i 0.2 -W 2 -c 2 $IPADDR2
diff --git a/tools/testing/selftests/bpf/test_xdp_vlan_mode_generic.sh b/tools/testing/selftests/bpf/test_xdp_vlan_mode_generic.sh
new file mode 100755
index 000000000..c515326d6
--- /dev/null
+++ b/tools/testing/selftests/bpf/test_xdp_vlan_mode_generic.sh
@@ -0,0 +1,9 @@
+#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
+
+# Exit on failure
+set -e
+
+# Wrapper script to test generic-XDP
+export TESTNAME=xdp_vlan_mode_generic
+./test_xdp_vlan.sh --mode=xdpgeneric
diff --git a/tools/testing/selftests/bpf/test_xdp_vlan_mode_native.sh b/tools/testing/selftests/bpf/test_xdp_vlan_mode_native.sh
new file mode 100755
index 000000000..5cf7ce1f1
--- /dev/null
+++ b/tools/testing/selftests/bpf/test_xdp_vlan_mode_native.sh
@@ -0,0 +1,9 @@
+#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
+
+# Exit on failure
+set -e
+
+# Wrapper script to test native-XDP
+export TESTNAME=xdp_vlan_mode_native
+./test_xdp_vlan.sh --mode=xdpdrv
diff --git a/tools/testing/selftests/bpf/test_xdping.sh b/tools/testing/selftests/bpf/test_xdping.sh
new file mode 100755
index 000000000..c3d82e0a7
--- /dev/null
+++ b/tools/testing/selftests/bpf/test_xdping.sh
@@ -0,0 +1,103 @@
+#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
+
+# xdping tests
+#   Here we setup and teardown configuration required to run
+#   xdping, exercising its options.
+#
+#   Setup is similar to test_tunnel tests but without the tunnel.
+#
+# Topology:
+# ---------
+#     root namespace   |     tc_ns0 namespace
+#                      |
+#      ----------      |     ----------
+#      |  veth1  | --------- |  veth0  |
+#      ----------    peer    ----------
+#
+# Device Configuration
+# --------------------
+# Root namespace with BPF
+# Device names and addresses:
+#	veth1 IP: 10.1.1.200
+#	xdp added to veth1, xdpings originate from here.
+#
+# Namespace tc_ns0 with BPF
+# Device names and addresses:
+#       veth0 IPv4: 10.1.1.100
+#	For some tests xdping run in server mode here.
+#
+
+readonly TARGET_IP="10.1.1.100"
+readonly TARGET_NS="xdp_ns0"
+
+readonly LOCAL_IP="10.1.1.200"
+
+setup()
+{
+	ip netns add $TARGET_NS
+	ip link add veth0 type veth peer name veth1
+	ip link set veth0 netns $TARGET_NS
+	ip netns exec $TARGET_NS ip addr add ${TARGET_IP}/24 dev veth0
+	ip addr add ${LOCAL_IP}/24 dev veth1
+	ip netns exec $TARGET_NS ip link set veth0 up
+	ip link set veth1 up
+}
+
+cleanup()
+{
+	set +e
+	ip netns delete $TARGET_NS 2>/dev/null
+	ip link del veth1 2>/dev/null
+	if [[ $server_pid -ne 0 ]]; then
+		kill -TERM $server_pid
+	fi
+}
+
+test()
+{
+	client_args="$1"
+	server_args="$2"
+
+	echo "Test client args '$client_args'; server args '$server_args'"
+
+	server_pid=0
+	if [[ -n "$server_args" ]]; then
+		ip netns exec $TARGET_NS ./xdping $server_args &
+		server_pid=$!
+		sleep 10
+	fi
+	./xdping $client_args $TARGET_IP
+
+	if [[ $server_pid -ne 0 ]]; then
+		kill -TERM $server_pid
+		server_pid=0
+	fi
+
+	echo "Test client args '$client_args'; server args '$server_args': PASS"
+}
+
+set -e
+
+server_pid=0
+
+trap cleanup EXIT
+
+setup
+
+for server_args in "" "-I veth0 -s -S" ; do
+	# client in skb mode
+	client_args="-I veth1 -S"
+	test "$client_args" "$server_args"
+
+	# client with count of 10 RTT measurements.
+	client_args="-I veth1 -S -c 10"
+	test "$client_args" "$server_args"
+done
+
+# Test drv mode
+test "-I veth1 -N" "-I veth0 -s -N"
+test "-I veth1 -N -c 10" "-I veth0 -s -N"
+
+echo "OK. All tests passed"
+exit 0
diff --git a/tools/testing/selftests/bpf/test_xsk.sh b/tools/testing/selftests/bpf/test_xsk.sh
new file mode 100755
index 000000000..4e3ec38cb
--- /dev/null
+++ b/tools/testing/selftests/bpf/test_xsk.sh
@@ -0,0 +1,209 @@
+#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
+# Copyright(c) 2020 Intel Corporation, Weqaar Janjua <weqaar.a.janjua@intel.com>
+
+# AF_XDP selftests based on veth
+#
+# End-to-end AF_XDP over Veth test
+#
+# Topology:
+# ---------
+#                 -----------
+#               _ | Process | _
+#              /  -----------  \
+#             /        |        \
+#            /         |         \
+#      -----------     |     -----------
+#      | Thread1 |     |     | Thread2 |
+#      -----------     |     -----------
+#           |          |          |
+#      -----------     |     -----------
+#      |  xskX   |     |     |  xskY   |
+#      -----------     |     -----------
+#           |          |          |
+#      -----------     |     ----------
+#      |  vethX  | --------- |  vethY |
+#      -----------   peer    ----------
+#           |          |          |
+#      namespaceX      |     namespaceY
+#
+# AF_XDP is an address family optimized for high performance packet processing,
+# it is XDP’s user-space interface.
+#
+# An AF_XDP socket is linked to a single UMEM which is a region of virtual
+# contiguous memory, divided into equal-sized frames.
+#
+# Refer to AF_XDP Kernel Documentation for detailed information:
+# https://www.kernel.org/doc/html/latest/networking/af_xdp.html
+#
+# Prerequisites setup by script:
+#
+#   Set up veth interfaces as per the topology shown ^^:
+#   * setup two veth interfaces and one namespace
+#   ** veth<xxxx> in root namespace
+#   ** veth<yyyy> in af_xdp<xxxx> namespace
+#   ** namespace af_xdp<xxxx>
+#   *** xxxx and yyyy are randomly generated 4 digit numbers used to avoid
+#       conflict with any existing interface
+#   * tests the veth and xsk layers of the topology
+#
+# See the source xskxceiver.c for information on each test
+#
+# Kernel configuration:
+# ---------------------
+# See "config" file for recommended kernel config options.
+#
+# Turn on XDP sockets and veth support when compiling i.e.
+# 	Networking support -->
+# 		Networking options -->
+# 			[ * ] XDP sockets
+#
+# Executing Tests:
+# ----------------
+# Must run with CAP_NET_ADMIN capability.
+#
+# Run:
+#   sudo ./test_xsk.sh
+#
+# If running from kselftests:
+#   sudo make run_tests
+#
+# Run with verbose output:
+#   sudo ./test_xsk.sh -v
+#
+# Run and dump packet contents:
+#   sudo ./test_xsk.sh -D
+#
+# Run test suite for physical device in loopback mode
+#   sudo ./test_xsk.sh -i IFACE
+
+. xsk_prereqs.sh
+
+ETH=""
+
+while getopts "vDi:" flag
+do
+	case "${flag}" in
+		v) verbose=1;;
+		D) dump_pkts=1;;
+		i) ETH=${OPTARG};;
+	esac
+done
+
+TEST_NAME="PREREQUISITES"
+
+URANDOM=/dev/urandom
+[ ! -e "${URANDOM}" ] && { echo "${URANDOM} not found. Skipping tests."; test_exit $ksft_fail; }
+
+VETH0_POSTFIX=$(cat ${URANDOM} | tr -dc '0-9' | fold -w 256 | head -n 1 | head --bytes 4)
+VETH0=ve${VETH0_POSTFIX}
+VETH1_POSTFIX=$(cat ${URANDOM} | tr -dc '0-9' | fold -w 256 | head -n 1 | head --bytes 4)
+VETH1=ve${VETH1_POSTFIX}
+NS0=root
+NS1=af_xdp${VETH1_POSTFIX}
+MTU=1500
+
+trap ctrl_c INT
+
+function ctrl_c() {
+        cleanup_exit ${VETH0} ${VETH1} ${NS1}
+	exit 1
+}
+
+setup_vethPairs() {
+	if [[ $verbose -eq 1 ]]; then
+	        echo "setting up ${VETH0}: namespace: ${NS0}"
+	fi
+	ip netns add ${NS1}
+	ip link add ${VETH0} numtxqueues 4 numrxqueues 4 type veth peer name ${VETH1} numtxqueues 4 numrxqueues 4
+	if [ -f /proc/net/if_inet6 ]; then
+		echo 1 > /proc/sys/net/ipv6/conf/${VETH0}/disable_ipv6
+		echo 1 > /proc/sys/net/ipv6/conf/${VETH1}/disable_ipv6
+	fi
+	if [[ $verbose -eq 1 ]]; then
+	        echo "setting up ${VETH1}: namespace: ${NS1}"
+	fi
+
+	if [[ $busy_poll -eq 1 ]]; then
+	        echo 2 > /sys/class/net/${VETH0}/napi_defer_hard_irqs
+		echo 200000 > /sys/class/net/${VETH0}/gro_flush_timeout
+		echo 2 > /sys/class/net/${VETH1}/napi_defer_hard_irqs
+		echo 200000 > /sys/class/net/${VETH1}/gro_flush_timeout
+	fi
+
+	ip link set ${VETH1} netns ${NS1}
+	ip netns exec ${NS1} ip link set ${VETH1} mtu ${MTU}
+	ip link set ${VETH0} mtu ${MTU}
+	ip netns exec ${NS1} ip link set ${VETH1} up
+	ip netns exec ${NS1} ip link set dev lo up
+	ip link set ${VETH0} up
+}
+
+if [ ! -z $ETH ]; then
+	VETH0=${ETH}
+	VETH1=${ETH}
+	NS1=""
+else
+	validate_root_exec
+	validate_veth_support ${VETH0}
+	validate_ip_utility
+	setup_vethPairs
+
+	retval=$?
+	if [ $retval -ne 0 ]; then
+		test_status $retval "${TEST_NAME}"
+		cleanup_exit ${VETH0} ${VETH1} ${NS1}
+		exit $retval
+	fi
+fi
+
+
+if [[ $verbose -eq 1 ]]; then
+	ARGS+="-v "
+fi
+
+if [[ $dump_pkts -eq 1 ]]; then
+	ARGS="-D "
+fi
+
+retval=$?
+test_status $retval "${TEST_NAME}"
+
+## START TESTS
+
+statusList=()
+
+TEST_NAME="XSK_SELFTESTS_${VETH0}_SOFTIRQ"
+
+exec_xskxceiver
+
+if [ -z $ETH ]; then
+	cleanup_exit ${VETH0} ${VETH1} ${NS1}
+fi
+TEST_NAME="XSK_SELFTESTS_${VETH0}_BUSY_POLL"
+busy_poll=1
+
+if [ -z $ETH ]; then
+	setup_vethPairs
+fi
+exec_xskxceiver
+
+## END TESTS
+
+if [ -z $ETH ]; then
+	cleanup_exit ${VETH0} ${VETH1} ${NS1}
+fi
+
+failures=0
+echo -e "\nSummary:"
+for i in "${!statusList[@]}"
+do
+	if [ ${statusList[$i]} -ne 0 ]; then
+	        test_status ${statusList[$i]} ${nameList[$i]}
+		failures=1
+	fi
+done
+
+if [ $failures -eq 0 ]; then
+        echo "All tests successful!"
+fi
diff --git a/tools/testing/selftests/bpf/testing_helpers.c b/tools/testing/selftests/bpf/testing_helpers.c
new file mode 100644
index 000000000..9c3de3902
--- /dev/null
+++ b/tools/testing/selftests/bpf/testing_helpers.c
@@ -0,0 +1,251 @@
+// SPDX-License-Identifier: (LGPL-2.1 OR BSD-2-Clause)
+/* Copyright (C) 2019 Netronome Systems, Inc. */
+/* Copyright (C) 2020 Facebook, Inc. */
+#include <stdlib.h>
+#include <string.h>
+#include <errno.h>
+#include <bpf/bpf.h>
+#include <bpf/libbpf.h>
+#include "test_progs.h"
+#include "testing_helpers.h"
+
+int parse_num_list(const char *s, bool **num_set, int *num_set_len)
+{
+	int i, set_len = 0, new_len, num, start = 0, end = -1;
+	bool *set = NULL, *tmp, parsing_end = false;
+	char *next;
+
+	while (s[0]) {
+		errno = 0;
+		num = strtol(s, &next, 10);
+		if (errno)
+			return -errno;
+
+		if (parsing_end)
+			end = num;
+		else
+			start = num;
+
+		if (!parsing_end && *next == '-') {
+			s = next + 1;
+			parsing_end = true;
+			continue;
+		} else if (*next == ',') {
+			parsing_end = false;
+			s = next + 1;
+			end = num;
+		} else if (*next == '\0') {
+			parsing_end = false;
+			s = next;
+			end = num;
+		} else {
+			return -EINVAL;
+		}
+
+		if (start > end)
+			return -EINVAL;
+
+		if (end + 1 > set_len) {
+			new_len = end + 1;
+			tmp = realloc(set, new_len);
+			if (!tmp) {
+				free(set);
+				return -ENOMEM;
+			}
+			for (i = set_len; i < start; i++)
+				tmp[i] = false;
+			set = tmp;
+			set_len = new_len;
+		}
+		for (i = start; i <= end; i++)
+			set[i] = true;
+	}
+
+	if (!set || parsing_end)
+		return -EINVAL;
+
+	*num_set = set;
+	*num_set_len = set_len;
+
+	return 0;
+}
+
+int parse_test_list(const char *s,
+		    struct test_filter_set *set,
+		    bool is_glob_pattern)
+{
+	char *input, *state = NULL, *next;
+	struct test_filter *tmp, *tests = NULL;
+	int i, j, cnt = 0;
+
+	input = strdup(s);
+	if (!input)
+		return -ENOMEM;
+
+	while ((next = strtok_r(state ? NULL : input, ",", &state))) {
+		char *subtest_str = strchr(next, '/');
+		char *pattern = NULL;
+		int glob_chars = 0;
+
+		tmp = realloc(tests, sizeof(*tests) * (cnt + 1));
+		if (!tmp)
+			goto err;
+		tests = tmp;
+
+		tests[cnt].subtest_cnt = 0;
+		tests[cnt].subtests = NULL;
+
+		if (is_glob_pattern) {
+			pattern = "%s";
+		} else {
+			pattern = "*%s*";
+			glob_chars = 2;
+		}
+
+		if (subtest_str) {
+			char **tmp_subtests = NULL;
+			int subtest_cnt = tests[cnt].subtest_cnt;
+
+			*subtest_str = '\0';
+			subtest_str += 1;
+			tmp_subtests = realloc(tests[cnt].subtests,
+					       sizeof(*tmp_subtests) *
+					       (subtest_cnt + 1));
+			if (!tmp_subtests)
+				goto err;
+			tests[cnt].subtests = tmp_subtests;
+
+			tests[cnt].subtests[subtest_cnt] =
+				malloc(strlen(subtest_str) + glob_chars + 1);
+			if (!tests[cnt].subtests[subtest_cnt])
+				goto err;
+			sprintf(tests[cnt].subtests[subtest_cnt],
+				pattern,
+				subtest_str);
+
+			tests[cnt].subtest_cnt++;
+		}
+
+		tests[cnt].name = malloc(strlen(next) + glob_chars + 1);
+		if (!tests[cnt].name)
+			goto err;
+		sprintf(tests[cnt].name, pattern, next);
+
+		cnt++;
+	}
+
+	tmp = realloc(set->tests, sizeof(*tests) * (cnt + set->cnt));
+	if (!tmp)
+		goto err;
+
+	memcpy(tmp +  set->cnt, tests, sizeof(*tests) * cnt);
+	set->tests = tmp;
+	set->cnt += cnt;
+
+	free(tests);
+	free(input);
+	return 0;
+
+err:
+	for (i = 0; i < cnt; i++) {
+		for (j = 0; j < tests[i].subtest_cnt; j++)
+			free(tests[i].subtests[j]);
+
+		free(tests[i].name);
+	}
+	free(tests);
+	free(input);
+	return -ENOMEM;
+}
+
+__u32 link_info_prog_id(const struct bpf_link *link, struct bpf_link_info *info)
+{
+	__u32 info_len = sizeof(*info);
+	int err;
+
+	memset(info, 0, sizeof(*info));
+	err = bpf_obj_get_info_by_fd(bpf_link__fd(link), info, &info_len);
+	if (err) {
+		printf("failed to get link info: %d\n", -errno);
+		return 0;
+	}
+	return info->prog_id;
+}
+
+int extra_prog_load_log_flags = 0;
+
+int bpf_prog_test_load(const char *file, enum bpf_prog_type type,
+		       struct bpf_object **pobj, int *prog_fd)
+{
+	LIBBPF_OPTS(bpf_object_open_opts, opts,
+		.kernel_log_level = extra_prog_load_log_flags,
+	);
+	struct bpf_object *obj;
+	struct bpf_program *prog;
+	__u32 flags;
+	int err;
+
+	obj = bpf_object__open_file(file, &opts);
+	if (!obj)
+		return -errno;
+
+	prog = bpf_object__next_program(obj, NULL);
+	if (!prog) {
+		err = -ENOENT;
+		goto err_out;
+	}
+
+	if (type != BPF_PROG_TYPE_UNSPEC)
+		bpf_program__set_type(prog, type);
+
+	flags = bpf_program__flags(prog) | BPF_F_TEST_RND_HI32;
+	bpf_program__set_flags(prog, flags);
+
+	err = bpf_object__load(obj);
+	if (err)
+		goto err_out;
+
+	*pobj = obj;
+	*prog_fd = bpf_program__fd(prog);
+
+	return 0;
+err_out:
+	bpf_object__close(obj);
+	return err;
+}
+
+int bpf_test_load_program(enum bpf_prog_type type, const struct bpf_insn *insns,
+			  size_t insns_cnt, const char *license,
+			  __u32 kern_version, char *log_buf,
+			  size_t log_buf_sz)
+{
+	LIBBPF_OPTS(bpf_prog_load_opts, opts,
+		.kern_version = kern_version,
+		.prog_flags = BPF_F_TEST_RND_HI32,
+		.log_level = extra_prog_load_log_flags,
+		.log_buf = log_buf,
+		.log_size = log_buf_sz,
+	);
+
+	return bpf_prog_load(type, NULL, license, insns, insns_cnt, &opts);
+}
+
+__u64 read_perf_max_sample_freq(void)
+{
+	__u64 sample_freq = 5000; /* fallback to 5000 on error */
+	FILE *f;
+
+	f = fopen("/proc/sys/kernel/perf_event_max_sample_rate", "r");
+	if (f == NULL) {
+		printf("Failed to open /proc/sys/kernel/perf_event_max_sample_rate: err %d\n"
+		       "return default value: 5000\n", -errno);
+		return sample_freq;
+	}
+	if (fscanf(f, "%llu", &sample_freq) != 1) {
+		printf("Failed to parse /proc/sys/kernel/perf_event_max_sample_rate: err %d\n"
+		       "return default value: 5000\n", -errno);
+	}
+
+	fclose(f);
+	return sample_freq;
+}
diff --git a/tools/testing/selftests/bpf/testing_helpers.h b/tools/testing/selftests/bpf/testing_helpers.h
new file mode 100644
index 000000000..eb8790f92
--- /dev/null
+++ b/tools/testing/selftests/bpf/testing_helpers.h
@@ -0,0 +1,24 @@
+/* SPDX-License-Identifier: (LGPL-2.1 OR BSD-2-Clause) */
+/* Copyright (C) 2020 Facebook, Inc. */
+#include <stdbool.h>
+#include <bpf/bpf.h>
+#include <bpf/libbpf.h>
+
+int parse_num_list(const char *s, bool **set, int *set_len);
+__u32 link_info_prog_id(const struct bpf_link *link, struct bpf_link_info *info);
+int bpf_prog_test_load(const char *file, enum bpf_prog_type type,
+		       struct bpf_object **pobj, int *prog_fd);
+int bpf_test_load_program(enum bpf_prog_type type, const struct bpf_insn *insns,
+			  size_t insns_cnt, const char *license,
+			  __u32 kern_version, char *log_buf,
+			  size_t log_buf_sz);
+
+/*
+ * below function is exported for testing in prog_test test
+ */
+struct test_filter_set;
+int parse_test_list(const char *s,
+		    struct test_filter_set *test_set,
+		    bool is_glob_pattern);
+
+__u64 read_perf_max_sample_freq(void);
diff --git a/tools/testing/selftests/bpf/trace_helpers.c b/tools/testing/selftests/bpf/trace_helpers.c
new file mode 100644
index 000000000..9c4be2cdb
--- /dev/null
+++ b/tools/testing/selftests/bpf/trace_helpers.c
@@ -0,0 +1,226 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <ctype.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <assert.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <poll.h>
+#include <unistd.h>
+#include <linux/perf_event.h>
+#include <sys/mman.h>
+#include "trace_helpers.h"
+
+#define DEBUGFS "/sys/kernel/debug/tracing/"
+
+#define MAX_SYMS 300000
+static struct ksym syms[MAX_SYMS];
+static int sym_cnt;
+
+static int ksym_cmp(const void *p1, const void *p2)
+{
+	return ((struct ksym *)p1)->addr - ((struct ksym *)p2)->addr;
+}
+
+int load_kallsyms(void)
+{
+	FILE *f;
+	char func[256], buf[256];
+	char symbol;
+	void *addr;
+	int i = 0;
+
+	/*
+	 * This is called/used from multiplace places,
+	 * load symbols just once.
+	 */
+	if (sym_cnt)
+		return 0;
+
+	f = fopen("/proc/kallsyms", "r");
+	if (!f)
+		return -ENOENT;
+
+	while (fgets(buf, sizeof(buf), f)) {
+		if (sscanf(buf, "%p %c %s", &addr, &symbol, func) != 3)
+			break;
+		if (!addr)
+			continue;
+		syms[i].addr = (long) addr;
+		syms[i].name = strdup(func);
+		i++;
+	}
+	fclose(f);
+	sym_cnt = i;
+	qsort(syms, sym_cnt, sizeof(struct ksym), ksym_cmp);
+	return 0;
+}
+
+struct ksym *ksym_search(long key)
+{
+	int start = 0, end = sym_cnt;
+	int result;
+
+	/* kallsyms not loaded. return NULL */
+	if (sym_cnt <= 0)
+		return NULL;
+
+	while (start < end) {
+		size_t mid = start + (end - start) / 2;
+
+		result = key - syms[mid].addr;
+		if (result < 0)
+			end = mid;
+		else if (result > 0)
+			start = mid + 1;
+		else
+			return &syms[mid];
+	}
+
+	if (start >= 1 && syms[start - 1].addr < key &&
+	    key < syms[start].addr)
+		/* valid ksym */
+		return &syms[start - 1];
+
+	/* out of range. return _stext */
+	return &syms[0];
+}
+
+long ksym_get_addr(const char *name)
+{
+	int i;
+
+	for (i = 0; i < sym_cnt; i++) {
+		if (strcmp(syms[i].name, name) == 0)
+			return syms[i].addr;
+	}
+
+	return 0;
+}
+
+/* open kallsyms and read symbol addresses on the fly. Without caching all symbols,
+ * this is faster than load + find.
+ */
+int kallsyms_find(const char *sym, unsigned long long *addr)
+{
+	char type, name[500];
+	unsigned long long value;
+	int err = 0;
+	FILE *f;
+
+	f = fopen("/proc/kallsyms", "r");
+	if (!f)
+		return -EINVAL;
+
+	while (fscanf(f, "%llx %c %499s%*[^\n]\n", &value, &type, name) > 0) {
+		if (strcmp(name, sym) == 0) {
+			*addr = value;
+			goto out;
+		}
+	}
+	err = -ENOENT;
+
+out:
+	fclose(f);
+	return err;
+}
+
+void read_trace_pipe(void)
+{
+	int trace_fd;
+
+	trace_fd = open(DEBUGFS "trace_pipe", O_RDONLY, 0);
+	if (trace_fd < 0)
+		return;
+
+	while (1) {
+		static char buf[4096];
+		ssize_t sz;
+
+		sz = read(trace_fd, buf, sizeof(buf) - 1);
+		if (sz > 0) {
+			buf[sz] = 0;
+			puts(buf);
+		}
+	}
+}
+
+ssize_t get_uprobe_offset(const void *addr)
+{
+	size_t start, end, base;
+	char buf[256];
+	bool found = false;
+	FILE *f;
+
+	f = fopen("/proc/self/maps", "r");
+	if (!f)
+		return -errno;
+
+	while (fscanf(f, "%zx-%zx %s %zx %*[^\n]\n", &start, &end, buf, &base) == 4) {
+		if (buf[2] == 'x' && (uintptr_t)addr >= start && (uintptr_t)addr < end) {
+			found = true;
+			break;
+		}
+	}
+
+	fclose(f);
+
+	if (!found)
+		return -ESRCH;
+
+#if defined(__powerpc64__) && defined(_CALL_ELF) && _CALL_ELF == 2
+
+#define OP_RT_RA_MASK   0xffff0000UL
+#define LIS_R2          0x3c400000UL
+#define ADDIS_R2_R12    0x3c4c0000UL
+#define ADDI_R2_R2      0x38420000UL
+
+	/*
+	 * A PPC64 ABIv2 function may have a local and a global entry
+	 * point. We need to use the local entry point when patching
+	 * functions, so identify and step over the global entry point
+	 * sequence.
+	 *
+	 * The global entry point sequence is always of the form:
+	 *
+	 * addis r2,r12,XXXX
+	 * addi  r2,r2,XXXX
+	 *
+	 * A linker optimisation may convert the addis to lis:
+	 *
+	 * lis   r2,XXXX
+	 * addi  r2,r2,XXXX
+	 */
+	{
+		const u32 *insn = (const u32 *)(uintptr_t)addr;
+
+		if ((((*insn & OP_RT_RA_MASK) == ADDIS_R2_R12) ||
+		     ((*insn & OP_RT_RA_MASK) == LIS_R2)) &&
+		    ((*(insn + 1) & OP_RT_RA_MASK) == ADDI_R2_R2))
+			return (uintptr_t)(insn + 2) - start + base;
+	}
+#endif
+	return (uintptr_t)addr - start + base;
+}
+
+ssize_t get_rel_offset(uintptr_t addr)
+{
+	size_t start, end, offset;
+	char buf[256];
+	FILE *f;
+
+	f = fopen("/proc/self/maps", "r");
+	if (!f)
+		return -errno;
+
+	while (fscanf(f, "%zx-%zx %s %zx %*[^\n]\n", &start, &end, buf, &offset) == 4) {
+		if (addr >= start && addr < end) {
+			fclose(f);
+			return (size_t)addr - start + offset;
+		}
+	}
+
+	fclose(f);
+	return -EINVAL;
+}
diff --git a/tools/testing/selftests/bpf/trace_helpers.h b/tools/testing/selftests/bpf/trace_helpers.h
new file mode 100644
index 000000000..238a9c98c
--- /dev/null
+++ b/tools/testing/selftests/bpf/trace_helpers.h
@@ -0,0 +1,24 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef __TRACE_HELPER_H
+#define __TRACE_HELPER_H
+
+#include <bpf/libbpf.h>
+
+struct ksym {
+	long addr;
+	char *name;
+};
+
+int load_kallsyms(void);
+struct ksym *ksym_search(long key);
+long ksym_get_addr(const char *name);
+
+/* open kallsyms and find addresses on the fly, faster than load + search. */
+int kallsyms_find(const char *sym, unsigned long long *addr);
+
+void read_trace_pipe(void);
+
+ssize_t get_uprobe_offset(const void *addr);
+ssize_t get_rel_offset(uintptr_t addr);
+
+#endif
diff --git a/tools/testing/selftests/bpf/urandom_read.c b/tools/testing/selftests/bpf/urandom_read.c
new file mode 100644
index 000000000..e92644d0f
--- /dev/null
+++ b/tools/testing/selftests/bpf/urandom_read.c
@@ -0,0 +1,88 @@
+#include <stdbool.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <errno.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <stdlib.h>
+#include <signal.h>
+
+#define _SDT_HAS_SEMAPHORES 1
+#include "sdt.h"
+
+#define SEC(name) __attribute__((section(name), used))
+
+#define BUF_SIZE 256
+
+/* defined in urandom_read_aux.c */
+void urand_read_without_sema(int iter_num, int iter_cnt, int read_sz);
+/* these are coming from urandom_read_lib{1,2}.c */
+void urandlib_read_with_sema(int iter_num, int iter_cnt, int read_sz);
+void urandlib_read_without_sema(int iter_num, int iter_cnt, int read_sz);
+
+unsigned short urand_read_with_sema_semaphore SEC(".probes");
+
+static __attribute__((noinline))
+void urandom_read(int fd, int count)
+{
+	char buf[BUF_SIZE];
+	int i;
+
+	for (i = 0; i < count; ++i) {
+		read(fd, buf, BUF_SIZE);
+
+		/* trigger USDTs defined in executable itself */
+		urand_read_without_sema(i, count, BUF_SIZE);
+		STAP_PROBE3(urand, read_with_sema, i, count, BUF_SIZE);
+
+		/* trigger USDTs defined in shared lib */
+		urandlib_read_without_sema(i, count, BUF_SIZE);
+		urandlib_read_with_sema(i, count, BUF_SIZE);
+	}
+}
+
+static volatile bool parent_ready;
+
+static void handle_sigpipe(int sig)
+{
+	parent_ready = true;
+}
+
+int main(int argc, char *argv[])
+{
+	int fd = open("/dev/urandom", O_RDONLY);
+	int count = 4;
+	bool report_pid = false;
+
+	if (fd < 0)
+		return 1;
+
+	if (argc >= 2)
+		count = atoi(argv[1]);
+	if (argc >= 3) {
+		report_pid = true;
+		/* install SIGPIPE handler to catch when parent closes their
+		 * end of the pipe (on the other side of our stdout)
+		 */
+		signal(SIGPIPE, handle_sigpipe);
+	}
+
+	/* report PID and wait for parent process to send us "signal" by
+	 * closing stdout
+	 */
+	if (report_pid) {
+		while (!parent_ready) {
+			fprintf(stdout, "%d\n", getpid());
+			fflush(stdout);
+		}
+		/* at this point stdout is closed, parent process knows our
+		 * PID and is ready to trace us
+		 */
+	}
+
+	urandom_read(fd, count);
+
+	close(fd);
+	return 0;
+}
diff --git a/tools/testing/selftests/bpf/urandom_read_aux.c b/tools/testing/selftests/bpf/urandom_read_aux.c
new file mode 100644
index 000000000..6132edcfe
--- /dev/null
+++ b/tools/testing/selftests/bpf/urandom_read_aux.c
@@ -0,0 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2022 Meta Platforms, Inc. and affiliates. */
+#include "sdt.h"
+
+void urand_read_without_sema(int iter_num, int iter_cnt, int read_sz)
+{
+	/* semaphore-less USDT */
+	STAP_PROBE3(urand, read_without_sema, iter_num, iter_cnt, read_sz);
+}
diff --git a/tools/testing/selftests/bpf/urandom_read_lib1.c b/tools/testing/selftests/bpf/urandom_read_lib1.c
new file mode 100644
index 000000000..86186e24b
--- /dev/null
+++ b/tools/testing/selftests/bpf/urandom_read_lib1.c
@@ -0,0 +1,13 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2022 Meta Platforms, Inc. and affiliates. */
+#define _SDT_HAS_SEMAPHORES 1
+#include "sdt.h"
+
+#define SEC(name) __attribute__((section(name), used))
+
+unsigned short urandlib_read_with_sema_semaphore SEC(".probes");
+
+void urandlib_read_with_sema(int iter_num, int iter_cnt, int read_sz)
+{
+	STAP_PROBE3(urandlib, read_with_sema, iter_num, iter_cnt, read_sz);
+}
diff --git a/tools/testing/selftests/bpf/urandom_read_lib2.c b/tools/testing/selftests/bpf/urandom_read_lib2.c
new file mode 100644
index 000000000..9d401ad98
--- /dev/null
+++ b/tools/testing/selftests/bpf/urandom_read_lib2.c
@@ -0,0 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2022 Meta Platforms, Inc. and affiliates. */
+#include "sdt.h"
+
+void urandlib_read_without_sema(int iter_num, int iter_cnt, int read_sz)
+{
+	STAP_PROBE3(urandlib, read_without_sema, iter_num, iter_cnt, read_sz);
+}
diff --git a/tools/testing/selftests/bpf/verifier/.gitignore b/tools/testing/selftests/bpf/verifier/.gitignore
new file mode 100644
index 000000000..89c4a3d37
--- /dev/null
+++ b/tools/testing/selftests/bpf/verifier/.gitignore
@@ -0,0 +1,2 @@
+# SPDX-License-Identifier: GPL-2.0-only
+tests.h
diff --git a/tools/testing/selftests/bpf/verifier/and.c b/tools/testing/selftests/bpf/verifier/and.c
new file mode 100644
index 000000000..7d7ebee5c
--- /dev/null
+++ b/tools/testing/selftests/bpf/verifier/and.c
@@ -0,0 +1,68 @@
+{
+	"invalid and of negative number",
+	.insns = {
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 4),
+	BPF_LDX_MEM(BPF_B, BPF_REG_1, BPF_REG_0, 0),
+	BPF_ALU64_IMM(BPF_AND, BPF_REG_1, -4),
+	BPF_ALU64_IMM(BPF_LSH, BPF_REG_1, 2),
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
+	BPF_ST_MEM(BPF_DW, BPF_REG_0, 0, offsetof(struct test_val, foo)),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_48b = { 3 },
+	.errstr = "R0 max value is outside of the allowed memory range",
+	.result = REJECT,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"invalid range check",
+	.insns = {
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 12),
+	BPF_LDX_MEM(BPF_W, BPF_REG_1, BPF_REG_0, 0),
+	BPF_MOV64_IMM(BPF_REG_9, 1),
+	BPF_ALU32_IMM(BPF_MOD, BPF_REG_1, 2),
+	BPF_ALU32_IMM(BPF_ADD, BPF_REG_1, 1),
+	BPF_ALU32_REG(BPF_AND, BPF_REG_9, BPF_REG_1),
+	BPF_ALU32_IMM(BPF_ADD, BPF_REG_9, 1),
+	BPF_ALU32_IMM(BPF_RSH, BPF_REG_9, 1),
+	BPF_MOV32_IMM(BPF_REG_3, 1),
+	BPF_ALU32_REG(BPF_SUB, BPF_REG_3, BPF_REG_9),
+	BPF_ALU32_IMM(BPF_MUL, BPF_REG_3, 0x10000000),
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_3),
+	BPF_STX_MEM(BPF_W, BPF_REG_0, BPF_REG_3, 0),
+	BPF_MOV64_REG(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_48b = { 3 },
+	.errstr = "R0 max value is outside of the allowed memory range",
+	.result = REJECT,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"check known subreg with unknown reg",
+	.insns = {
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_prandom_u32),
+	BPF_ALU64_IMM(BPF_LSH, BPF_REG_0, 32),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 1),
+	BPF_ALU64_IMM(BPF_AND, BPF_REG_0, 0xFFFF1234),
+	/* Upper bits are unknown but AND above masks out 1 zero'ing lower bits */
+	BPF_JMP32_IMM(BPF_JLT, BPF_REG_0, 1, 1),
+	BPF_LDX_MEM(BPF_W, BPF_REG_1, BPF_REG_1, 512),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.errstr_unpriv = "R1 !read_ok",
+	.result_unpriv = REJECT,
+	.result = ACCEPT,
+	.retval = 0
+},
diff --git a/tools/testing/selftests/bpf/verifier/array_access.c b/tools/testing/selftests/bpf/verifier/array_access.c
new file mode 100644
index 000000000..1b138cd2b
--- /dev/null
+++ b/tools/testing/selftests/bpf/verifier/array_access.c
@@ -0,0 +1,379 @@
+{
+	"valid map access into an array with a constant",
+	.insns = {
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 1),
+	BPF_ST_MEM(BPF_DW, BPF_REG_0, 0, offsetof(struct test_val, foo)),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_48b = { 3 },
+	.errstr_unpriv = "R0 leaks addr",
+	.result_unpriv = REJECT,
+	.result = ACCEPT,
+},
+{
+	"valid map access into an array with a register",
+	.insns = {
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 4),
+	BPF_MOV64_IMM(BPF_REG_1, 4),
+	BPF_ALU64_IMM(BPF_LSH, BPF_REG_1, 2),
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
+	BPF_ST_MEM(BPF_DW, BPF_REG_0, 0, offsetof(struct test_val, foo)),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_48b = { 3 },
+	.errstr_unpriv = "R0 leaks addr",
+	.result_unpriv = REJECT,
+	.result = ACCEPT,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"valid map access into an array with a variable",
+	.insns = {
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 5),
+	BPF_LDX_MEM(BPF_W, BPF_REG_1, BPF_REG_0, 0),
+	BPF_JMP_IMM(BPF_JGE, BPF_REG_1, MAX_ENTRIES, 3),
+	BPF_ALU64_IMM(BPF_LSH, BPF_REG_1, 2),
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
+	BPF_ST_MEM(BPF_DW, BPF_REG_0, 0, offsetof(struct test_val, foo)),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_48b = { 3 },
+	.errstr_unpriv = "R0 leaks addr",
+	.result_unpriv = REJECT,
+	.result = ACCEPT,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"valid map access into an array with a signed variable",
+	.insns = {
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 9),
+	BPF_LDX_MEM(BPF_W, BPF_REG_1, BPF_REG_0, 0),
+	BPF_JMP32_IMM(BPF_JSGT, BPF_REG_1, 0xffffffff, 1),
+	BPF_MOV32_IMM(BPF_REG_1, 0),
+	BPF_MOV32_IMM(BPF_REG_2, MAX_ENTRIES),
+	BPF_JMP_REG(BPF_JSGT, BPF_REG_2, BPF_REG_1, 1),
+	BPF_MOV32_IMM(BPF_REG_1, 0),
+	BPF_ALU32_IMM(BPF_LSH, BPF_REG_1, 2),
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
+	BPF_ST_MEM(BPF_DW, BPF_REG_0, 0, offsetof(struct test_val, foo)),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_48b = { 3 },
+	.errstr_unpriv = "R0 leaks addr",
+	.result_unpriv = REJECT,
+	.result = ACCEPT,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"invalid map access into an array with a constant",
+	.insns = {
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 1),
+	BPF_ST_MEM(BPF_DW, BPF_REG_0, (MAX_ENTRIES + 1) << 2,
+		   offsetof(struct test_val, foo)),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_48b = { 3 },
+	.errstr = "invalid access to map value, value_size=48 off=48 size=8",
+	.result = REJECT,
+},
+{
+	"invalid map access into an array with a register",
+	.insns = {
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 4),
+	BPF_MOV64_IMM(BPF_REG_1, MAX_ENTRIES + 1),
+	BPF_ALU64_IMM(BPF_LSH, BPF_REG_1, 2),
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
+	BPF_ST_MEM(BPF_DW, BPF_REG_0, 0, offsetof(struct test_val, foo)),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_48b = { 3 },
+	.errstr = "R0 min value is outside of the allowed memory range",
+	.result = REJECT,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"invalid map access into an array with a variable",
+	.insns = {
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 4),
+	BPF_LDX_MEM(BPF_W, BPF_REG_1, BPF_REG_0, 0),
+	BPF_ALU64_IMM(BPF_LSH, BPF_REG_1, 2),
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
+	BPF_ST_MEM(BPF_DW, BPF_REG_0, 0, offsetof(struct test_val, foo)),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_48b = { 3 },
+	.errstr = "R0 unbounded memory access, make sure to bounds check any such access",
+	.result = REJECT,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"invalid map access into an array with no floor check",
+	.insns = {
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 7),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_0, 0),
+	BPF_MOV32_IMM(BPF_REG_2, MAX_ENTRIES),
+	BPF_JMP_REG(BPF_JSGT, BPF_REG_2, BPF_REG_1, 1),
+	BPF_MOV32_IMM(BPF_REG_1, 0),
+	BPF_ALU32_IMM(BPF_LSH, BPF_REG_1, 2),
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
+	BPF_ST_MEM(BPF_DW, BPF_REG_0, 0, offsetof(struct test_val, foo)),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_48b = { 3 },
+	.errstr_unpriv = "R0 leaks addr",
+	.errstr = "R0 unbounded memory access",
+	.result_unpriv = REJECT,
+	.result = REJECT,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"invalid map access into an array with a invalid max check",
+	.insns = {
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 7),
+	BPF_LDX_MEM(BPF_W, BPF_REG_1, BPF_REG_0, 0),
+	BPF_MOV32_IMM(BPF_REG_2, MAX_ENTRIES + 1),
+	BPF_JMP_REG(BPF_JGT, BPF_REG_2, BPF_REG_1, 1),
+	BPF_MOV32_IMM(BPF_REG_1, 0),
+	BPF_ALU32_IMM(BPF_LSH, BPF_REG_1, 2),
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
+	BPF_ST_MEM(BPF_DW, BPF_REG_0, 0, offsetof(struct test_val, foo)),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_48b = { 3 },
+	.errstr_unpriv = "R0 leaks addr",
+	.errstr = "invalid access to map value, value_size=48 off=44 size=8",
+	.result_unpriv = REJECT,
+	.result = REJECT,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"invalid map access into an array with a invalid max check",
+	.insns = {
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 10),
+	BPF_MOV64_REG(BPF_REG_8, BPF_REG_0),
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 2),
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_8),
+	BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_0,
+		    offsetof(struct test_val, foo)),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_48b = { 3, 11 },
+	.errstr = "R0 pointer += pointer",
+	.result = REJECT,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"valid read map access into a read-only array 1",
+	.insns = {
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 1),
+	BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_array_ro = { 3 },
+	.result = ACCEPT,
+	.retval = 28,
+},
+{
+	"valid read map access into a read-only array 2",
+	.insns = {
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 6),
+
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+	BPF_MOV64_IMM(BPF_REG_2, 4),
+	BPF_MOV64_IMM(BPF_REG_3, 0),
+	BPF_MOV64_IMM(BPF_REG_4, 0),
+	BPF_MOV64_IMM(BPF_REG_5, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
+		     BPF_FUNC_csum_diff),
+	BPF_ALU64_IMM(BPF_AND, BPF_REG_0, 0xffff),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.fixup_map_array_ro = { 3 },
+	.result = ACCEPT,
+	.retval = 65507,
+},
+{
+	"invalid write map access into a read-only array 1",
+	.insns = {
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 1),
+	BPF_ST_MEM(BPF_DW, BPF_REG_0, 0, 42),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_array_ro = { 3 },
+	.result = REJECT,
+	.errstr = "write into map forbidden",
+},
+{
+	"invalid write map access into a read-only array 2",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 5),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
+	BPF_MOV64_IMM(BPF_REG_2, 0),
+	BPF_MOV64_REG(BPF_REG_3, BPF_REG_0),
+	BPF_MOV64_IMM(BPF_REG_4, 8),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
+		     BPF_FUNC_skb_load_bytes),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.fixup_map_array_ro = { 4 },
+	.result = REJECT,
+	.errstr = "write into map forbidden",
+},
+{
+	"valid write map access into a write-only array 1",
+	.insns = {
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 1),
+	BPF_ST_MEM(BPF_DW, BPF_REG_0, 0, 42),
+	BPF_MOV64_IMM(BPF_REG_0, 1),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_array_wo = { 3 },
+	.result = ACCEPT,
+	.retval = 1,
+},
+{
+	"valid write map access into a write-only array 2",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 5),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
+	BPF_MOV64_IMM(BPF_REG_2, 0),
+	BPF_MOV64_REG(BPF_REG_3, BPF_REG_0),
+	BPF_MOV64_IMM(BPF_REG_4, 8),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
+		     BPF_FUNC_skb_load_bytes),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.fixup_map_array_wo = { 4 },
+	.result = ACCEPT,
+	.retval = 0,
+},
+{
+	"invalid read map access into a write-only array 1",
+	.insns = {
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 1),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_array_wo = { 3 },
+	.result = REJECT,
+	.errstr = "read from map forbidden",
+},
+{
+	"invalid read map access into a write-only array 2",
+	.insns = {
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 6),
+
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+	BPF_MOV64_IMM(BPF_REG_2, 4),
+	BPF_MOV64_IMM(BPF_REG_3, 0),
+	BPF_MOV64_IMM(BPF_REG_4, 0),
+	BPF_MOV64_IMM(BPF_REG_5, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
+		     BPF_FUNC_csum_diff),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.fixup_map_array_wo = { 3 },
+	.result = REJECT,
+	.errstr = "read from map forbidden",
+},
diff --git a/tools/testing/selftests/bpf/verifier/atomic_and.c b/tools/testing/selftests/bpf/verifier/atomic_and.c
new file mode 100644
index 000000000..fe4bb70eb
--- /dev/null
+++ b/tools/testing/selftests/bpf/verifier/atomic_and.c
@@ -0,0 +1,100 @@
+{
+	"BPF_ATOMIC_AND without fetch",
+	.insns = {
+		/* val = 0x110; */
+		BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0x110),
+		/* atomic_and(&val, 0x011); */
+		BPF_MOV64_IMM(BPF_REG_1, 0x011),
+		BPF_ATOMIC_OP(BPF_DW, BPF_AND, BPF_REG_10, BPF_REG_1, -8),
+		/* if (val != 0x010) exit(2); */
+		BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_10, -8),
+		BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0x010, 2),
+		BPF_MOV64_IMM(BPF_REG_0, 2),
+		BPF_EXIT_INSN(),
+		/* r1 should not be clobbered, no BPF_FETCH flag */
+		BPF_MOV64_IMM(BPF_REG_0, 0),
+		BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 0x011, 1),
+		BPF_MOV64_IMM(BPF_REG_0, 1),
+		BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+},
+{
+	"BPF_ATOMIC_AND with fetch",
+	.insns = {
+		BPF_MOV64_IMM(BPF_REG_0, 123),
+		/* val = 0x110; */
+		BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0x110),
+		/* old = atomic_fetch_and(&val, 0x011); */
+		BPF_MOV64_IMM(BPF_REG_1, 0x011),
+		BPF_ATOMIC_OP(BPF_DW, BPF_AND | BPF_FETCH, BPF_REG_10, BPF_REG_1, -8),
+		/* if (old != 0x110) exit(3); */
+		BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 0x110, 2),
+		BPF_MOV64_IMM(BPF_REG_0, 3),
+		BPF_EXIT_INSN(),
+		/* if (val != 0x010) exit(2); */
+		BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_10, -8),
+		BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 0x010, 2),
+		BPF_MOV64_IMM(BPF_REG_1, 2),
+		BPF_EXIT_INSN(),
+		/* Check R0 wasn't clobbered (for fear of x86 JIT bug) */
+		BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 123, 2),
+		BPF_MOV64_IMM(BPF_REG_0, 1),
+		BPF_EXIT_INSN(),
+		/* exit(0); */
+		BPF_MOV64_IMM(BPF_REG_0, 0),
+		BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+},
+{
+	"BPF_ATOMIC_AND with fetch 32bit",
+	.insns = {
+		/* r0 = (s64) -1 */
+		BPF_MOV64_IMM(BPF_REG_0, 0),
+		BPF_ALU64_IMM(BPF_SUB, BPF_REG_0, 1),
+		/* val = 0x110; */
+		BPF_ST_MEM(BPF_W, BPF_REG_10, -4, 0x110),
+		/* old = atomic_fetch_and(&val, 0x011); */
+		BPF_MOV32_IMM(BPF_REG_1, 0x011),
+		BPF_ATOMIC_OP(BPF_W, BPF_AND | BPF_FETCH, BPF_REG_10, BPF_REG_1, -4),
+		/* if (old != 0x110) exit(3); */
+		BPF_JMP32_IMM(BPF_JEQ, BPF_REG_1, 0x110, 2),
+		BPF_MOV32_IMM(BPF_REG_0, 3),
+		BPF_EXIT_INSN(),
+		/* if (val != 0x010) exit(2); */
+		BPF_LDX_MEM(BPF_W, BPF_REG_1, BPF_REG_10, -4),
+		BPF_JMP32_IMM(BPF_JEQ, BPF_REG_1, 0x010, 2),
+		BPF_MOV32_IMM(BPF_REG_1, 2),
+		BPF_EXIT_INSN(),
+		/* Check R0 wasn't clobbered (for fear of x86 JIT bug)
+		 * It should be -1 so add 1 to get exit code.
+		 */
+		BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 1),
+		BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+},
+{
+	"BPF_ATOMIC_AND with fetch - r0 as source reg",
+	.insns = {
+		/* val = 0x110; */
+		BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0x110),
+		/* old = atomic_fetch_and(&val, 0x011); */
+		BPF_MOV64_IMM(BPF_REG_0, 0x011),
+		BPF_ATOMIC_OP(BPF_DW, BPF_AND | BPF_FETCH, BPF_REG_10, BPF_REG_0, -8),
+		/* if (old != 0x110) exit(3); */
+		BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0x110, 2),
+		BPF_MOV64_IMM(BPF_REG_0, 3),
+		BPF_EXIT_INSN(),
+		/* if (val != 0x010) exit(2); */
+		BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_10, -8),
+		BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 0x010, 2),
+		BPF_MOV64_IMM(BPF_REG_1, 2),
+		BPF_EXIT_INSN(),
+		/* exit(0); */
+		BPF_MOV64_IMM(BPF_REG_0, 0),
+		BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+},
diff --git a/tools/testing/selftests/bpf/verifier/atomic_bounds.c b/tools/testing/selftests/bpf/verifier/atomic_bounds.c
new file mode 100644
index 000000000..e82183e49
--- /dev/null
+++ b/tools/testing/selftests/bpf/verifier/atomic_bounds.c
@@ -0,0 +1,27 @@
+{
+	"BPF_ATOMIC bounds propagation, mem->reg",
+	.insns = {
+		/* a = 0; */
+		/*
+		 * Note this is implemented with two separate instructions,
+		 * where you might think one would suffice:
+		 *
+		 * BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+		 *
+		 * This is because BPF_ST_MEM doesn't seem to set the stack slot
+		 * type to 0 when storing an immediate.
+		 */
+		BPF_MOV64_IMM(BPF_REG_0, 0),
+		BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -8),
+		/* b = atomic_fetch_add(&a, 1); */
+		BPF_MOV64_IMM(BPF_REG_1, 1),
+		BPF_ATOMIC_OP(BPF_DW, BPF_ADD | BPF_FETCH, BPF_REG_10, BPF_REG_1, -8),
+		/* Verifier should be able to tell that this infinite loop isn't reachable. */
+		/* if (b) while (true) continue; */
+		BPF_JMP_IMM(BPF_JNE, BPF_REG_1, 0, -1),
+		BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.result_unpriv = REJECT,
+	.errstr_unpriv = "back-edge",
+},
diff --git a/tools/testing/selftests/bpf/verifier/atomic_cmpxchg.c b/tools/testing/selftests/bpf/verifier/atomic_cmpxchg.c
new file mode 100644
index 000000000..b39665f33
--- /dev/null
+++ b/tools/testing/selftests/bpf/verifier/atomic_cmpxchg.c
@@ -0,0 +1,245 @@
+{
+	"atomic compare-and-exchange smoketest - 64bit",
+	.insns = {
+		/* val = 3; */
+		BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 3),
+		/* old = atomic_cmpxchg(&val, 2, 4); */
+		BPF_MOV64_IMM(BPF_REG_1, 4),
+		BPF_MOV64_IMM(BPF_REG_0, 2),
+		BPF_ATOMIC_OP(BPF_DW, BPF_CMPXCHG, BPF_REG_10, BPF_REG_1, -8),
+		/* if (old != 3) exit(2); */
+		BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 3, 2),
+		BPF_MOV64_IMM(BPF_REG_0, 2),
+		BPF_EXIT_INSN(),
+		/* if (val != 3) exit(3); */
+		BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_10, -8),
+		BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 3, 2),
+		BPF_MOV64_IMM(BPF_REG_0, 3),
+		BPF_EXIT_INSN(),
+		/* old = atomic_cmpxchg(&val, 3, 4); */
+		BPF_MOV64_IMM(BPF_REG_1, 4),
+		BPF_MOV64_IMM(BPF_REG_0, 3),
+		BPF_ATOMIC_OP(BPF_DW, BPF_CMPXCHG, BPF_REG_10, BPF_REG_1, -8),
+		/* if (old != 3) exit(4); */
+		BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 3, 2),
+		BPF_MOV64_IMM(BPF_REG_0, 4),
+		BPF_EXIT_INSN(),
+		/* if (val != 4) exit(5); */
+		BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_10, -8),
+		BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 4, 2),
+		BPF_MOV64_IMM(BPF_REG_0, 5),
+		BPF_EXIT_INSN(),
+		/* exit(0); */
+		BPF_MOV64_IMM(BPF_REG_0, 0),
+		BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+},
+{
+	"atomic compare-and-exchange smoketest - 32bit",
+	.insns = {
+		/* val = 3; */
+		BPF_ST_MEM(BPF_W, BPF_REG_10, -4, 3),
+		/* old = atomic_cmpxchg(&val, 2, 4); */
+		BPF_MOV32_IMM(BPF_REG_1, 4),
+		BPF_MOV32_IMM(BPF_REG_0, 2),
+		BPF_ATOMIC_OP(BPF_W, BPF_CMPXCHG, BPF_REG_10, BPF_REG_1, -4),
+		/* if (old != 3) exit(2); */
+		BPF_JMP32_IMM(BPF_JEQ, BPF_REG_0, 3, 2),
+		BPF_MOV32_IMM(BPF_REG_0, 2),
+		BPF_EXIT_INSN(),
+		/* if (val != 3) exit(3); */
+		BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_10, -4),
+		BPF_JMP32_IMM(BPF_JEQ, BPF_REG_0, 3, 2),
+		BPF_MOV32_IMM(BPF_REG_0, 3),
+		BPF_EXIT_INSN(),
+		/* old = atomic_cmpxchg(&val, 3, 4); */
+		BPF_MOV32_IMM(BPF_REG_1, 4),
+		BPF_MOV32_IMM(BPF_REG_0, 3),
+		BPF_ATOMIC_OP(BPF_W, BPF_CMPXCHG, BPF_REG_10, BPF_REG_1, -4),
+		/* if (old != 3) exit(4); */
+		BPF_JMP32_IMM(BPF_JEQ, BPF_REG_0, 3, 2),
+		BPF_MOV32_IMM(BPF_REG_0, 4),
+		BPF_EXIT_INSN(),
+		/* if (val != 4) exit(5); */
+		BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_10, -4),
+		BPF_JMP32_IMM(BPF_JEQ, BPF_REG_0, 4, 2),
+		BPF_MOV32_IMM(BPF_REG_0, 5),
+		BPF_EXIT_INSN(),
+		/* exit(0); */
+		BPF_MOV32_IMM(BPF_REG_0, 0),
+		BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+},
+{
+	"Can't use cmpxchg on uninit src reg",
+	.insns = {
+		BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 3),
+		BPF_MOV64_IMM(BPF_REG_0, 3),
+		BPF_ATOMIC_OP(BPF_DW, BPF_CMPXCHG, BPF_REG_10, BPF_REG_2, -8),
+		BPF_EXIT_INSN(),
+	},
+	.result = REJECT,
+	.errstr = "!read_ok",
+},
+{
+	"Can't use cmpxchg on uninit memory",
+	.insns = {
+		BPF_MOV64_IMM(BPF_REG_0, 3),
+		BPF_MOV64_IMM(BPF_REG_2, 4),
+		BPF_ATOMIC_OP(BPF_DW, BPF_CMPXCHG, BPF_REG_10, BPF_REG_2, -8),
+		BPF_EXIT_INSN(),
+	},
+	.result = REJECT,
+	.errstr = "invalid read from stack",
+},
+{
+	"BPF_W cmpxchg should zero top 32 bits",
+	.insns = {
+		/* r0 = U64_MAX; */
+		BPF_MOV64_IMM(BPF_REG_0, 0),
+		BPF_ALU64_IMM(BPF_SUB, BPF_REG_0, 1),
+		/* u64 val = r0; */
+		BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -8),
+		/* r0 = (u32)atomic_cmpxchg((u32 *)&val, r0, 1); */
+		BPF_MOV32_IMM(BPF_REG_1, 1),
+		BPF_ATOMIC_OP(BPF_W, BPF_CMPXCHG, BPF_REG_10, BPF_REG_1, -8),
+		/* r1 = 0x00000000FFFFFFFFull; */
+		BPF_MOV64_IMM(BPF_REG_1, 1),
+		BPF_ALU64_IMM(BPF_LSH, BPF_REG_1, 32),
+		BPF_ALU64_IMM(BPF_SUB, BPF_REG_1, 1),
+		/* if (r0 != r1) exit(1); */
+		BPF_JMP_REG(BPF_JEQ, BPF_REG_0, BPF_REG_1, 2),
+		BPF_MOV32_IMM(BPF_REG_0, 1),
+		BPF_EXIT_INSN(),
+		/* exit(0); */
+		BPF_MOV32_IMM(BPF_REG_0, 0),
+		BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+},
+{
+	"Dest pointer in r0 - fail",
+	.insns = {
+		/* val = 0; */
+		BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+		/* r0 = &val */
+		BPF_MOV64_REG(BPF_REG_0, BPF_REG_10),
+		/* r0 = atomic_cmpxchg(&val, r0, 1); */
+		BPF_MOV64_IMM(BPF_REG_1, 1),
+		BPF_ATOMIC_OP(BPF_DW, BPF_CMPXCHG, BPF_REG_10, BPF_REG_1, -8),
+		/* if (r0 != 0) exit(1); */
+		BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 2),
+		BPF_MOV64_IMM(BPF_REG_0, 1),
+		BPF_EXIT_INSN(),
+		/* exit(0); */
+		BPF_MOV64_IMM(BPF_REG_0, 0),
+		BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.result_unpriv = REJECT,
+	.errstr_unpriv = "R0 leaks addr into mem",
+},
+{
+	"Dest pointer in r0 - succeed",
+	.insns = {
+		/* r0 = &val */
+		BPF_MOV64_REG(BPF_REG_0, BPF_REG_10),
+		/* val = r0; */
+		BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -8),
+		/* r0 = atomic_cmpxchg(&val, r0, 0); */
+		BPF_MOV64_IMM(BPF_REG_1, 0),
+		BPF_ATOMIC_OP(BPF_DW, BPF_CMPXCHG, BPF_REG_10, BPF_REG_1, -8),
+		/* r1 = *r0 */
+		BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_0, -8),
+		/* exit(0); */
+		BPF_MOV64_IMM(BPF_REG_0, 0),
+		BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.result_unpriv = REJECT,
+	.errstr_unpriv = "R0 leaks addr into mem",
+},
+{
+	"Dest pointer in r0 - succeed, check 2",
+	.insns = {
+		/* r0 = &val */
+		BPF_MOV64_REG(BPF_REG_0, BPF_REG_10),
+		/* val = r0; */
+		BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -8),
+		/* r5 = &val */
+		BPF_MOV64_REG(BPF_REG_5, BPF_REG_10),
+		/* r0 = atomic_cmpxchg(&val, r0, r5); */
+		BPF_ATOMIC_OP(BPF_DW, BPF_CMPXCHG, BPF_REG_10, BPF_REG_5, -8),
+		/* r1 = *r0 */
+		BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_0, -8),
+		/* exit(0); */
+		BPF_MOV64_IMM(BPF_REG_0, 0),
+		BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.result_unpriv = REJECT,
+	.errstr_unpriv = "R0 leaks addr into mem",
+},
+{
+	"Dest pointer in r0 - succeed, check 3",
+	.insns = {
+		/* r0 = &val */
+		BPF_MOV64_REG(BPF_REG_0, BPF_REG_10),
+		/* val = r0; */
+		BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -8),
+		/* r5 = &val */
+		BPF_MOV64_REG(BPF_REG_5, BPF_REG_10),
+		/* r0 = atomic_cmpxchg(&val, r0, r5); */
+		BPF_ATOMIC_OP(BPF_W, BPF_CMPXCHG, BPF_REG_10, BPF_REG_5, -8),
+		/* exit(0); */
+		BPF_MOV64_IMM(BPF_REG_0, 0),
+		BPF_EXIT_INSN(),
+	},
+	.result = REJECT,
+	.errstr = "invalid size of register fill",
+	.errstr_unpriv = "R0 leaks addr into mem",
+},
+{
+	"Dest pointer in r0 - succeed, check 4",
+	.insns = {
+		/* r0 = &val */
+		BPF_MOV32_REG(BPF_REG_0, BPF_REG_10),
+		/* val = r0; */
+		BPF_STX_MEM(BPF_W, BPF_REG_10, BPF_REG_0, -8),
+		/* r5 = &val */
+		BPF_MOV32_REG(BPF_REG_5, BPF_REG_10),
+		/* r0 = atomic_cmpxchg(&val, r0, r5); */
+		BPF_ATOMIC_OP(BPF_W, BPF_CMPXCHG, BPF_REG_10, BPF_REG_5, -8),
+		/* r1 = *r10 */
+		BPF_LDX_MEM(BPF_W, BPF_REG_1, BPF_REG_10, -8),
+		/* exit(0); */
+		BPF_MOV64_IMM(BPF_REG_0, 0),
+		BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.result_unpriv = REJECT,
+	.errstr_unpriv = "R10 partial copy of pointer",
+},
+{
+	"Dest pointer in r0 - succeed, check 5",
+	.insns = {
+		/* r0 = &val */
+		BPF_MOV32_REG(BPF_REG_0, BPF_REG_10),
+		/* val = r0; */
+		BPF_STX_MEM(BPF_W, BPF_REG_10, BPF_REG_0, -8),
+		/* r5 = &val */
+		BPF_MOV32_REG(BPF_REG_5, BPF_REG_10),
+		/* r0 = atomic_cmpxchg(&val, r0, r5); */
+		BPF_ATOMIC_OP(BPF_W, BPF_CMPXCHG, BPF_REG_10, BPF_REG_5, -8),
+		/* r1 = *r0 */
+		BPF_LDX_MEM(BPF_W, BPF_REG_1, BPF_REG_0, -8),
+		/* exit(0); */
+		BPF_MOV64_IMM(BPF_REG_0, 0),
+		BPF_EXIT_INSN(),
+	},
+	.result = REJECT,
+	.errstr = "R0 invalid mem access",
+	.errstr_unpriv = "R10 partial copy of pointer",
+},
diff --git a/tools/testing/selftests/bpf/verifier/atomic_fetch.c b/tools/testing/selftests/bpf/verifier/atomic_fetch.c
new file mode 100644
index 000000000..5bf03fb4f
--- /dev/null
+++ b/tools/testing/selftests/bpf/verifier/atomic_fetch.c
@@ -0,0 +1,151 @@
+{
+	"atomic dw/fetch and address leakage of (map ptr & -1) via stack slot",
+	.insns = {
+		BPF_LD_IMM64(BPF_REG_1, -1),
+		BPF_LD_MAP_FD(BPF_REG_8, 0),
+		BPF_LD_MAP_FD(BPF_REG_9, 0),
+		BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+		BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+		BPF_STX_MEM(BPF_DW, BPF_REG_2, BPF_REG_9, 0),
+		BPF_ATOMIC_OP(BPF_DW, BPF_AND | BPF_FETCH, BPF_REG_2, BPF_REG_1, 0),
+		BPF_LDX_MEM(BPF_DW, BPF_REG_9, BPF_REG_2, 0),
+		BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
+		BPF_MOV64_REG(BPF_REG_1, BPF_REG_8),
+		BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+		BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 1),
+		BPF_STX_MEM(BPF_DW, BPF_REG_0, BPF_REG_9, 0),
+		BPF_MOV64_IMM(BPF_REG_0, 0),
+		BPF_EXIT_INSN(),
+	},
+	.fixup_map_array_48b = { 2, 4 },
+	.result = ACCEPT,
+	.result_unpriv = REJECT,
+	.errstr_unpriv = "leaking pointer from stack off -8",
+},
+{
+	"atomic dw/fetch and address leakage of (map ptr & -1) via returned value",
+	.insns = {
+		BPF_LD_IMM64(BPF_REG_1, -1),
+		BPF_LD_MAP_FD(BPF_REG_8, 0),
+		BPF_LD_MAP_FD(BPF_REG_9, 0),
+		BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+		BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+		BPF_STX_MEM(BPF_DW, BPF_REG_2, BPF_REG_9, 0),
+		BPF_ATOMIC_OP(BPF_DW, BPF_AND | BPF_FETCH, BPF_REG_2, BPF_REG_1, 0),
+		BPF_MOV64_REG(BPF_REG_9, BPF_REG_1),
+		BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
+		BPF_MOV64_REG(BPF_REG_1, BPF_REG_8),
+		BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+		BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 1),
+		BPF_STX_MEM(BPF_DW, BPF_REG_0, BPF_REG_9, 0),
+		BPF_MOV64_IMM(BPF_REG_0, 0),
+		BPF_EXIT_INSN(),
+	},
+	.fixup_map_array_48b = { 2, 4 },
+	.result = ACCEPT,
+	.result_unpriv = REJECT,
+	.errstr_unpriv = "leaking pointer from stack off -8",
+},
+{
+	"atomic w/fetch and address leakage of (map ptr & -1) via stack slot",
+	.insns = {
+		BPF_LD_IMM64(BPF_REG_1, -1),
+		BPF_LD_MAP_FD(BPF_REG_8, 0),
+		BPF_LD_MAP_FD(BPF_REG_9, 0),
+		BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+		BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+		BPF_STX_MEM(BPF_DW, BPF_REG_2, BPF_REG_9, 0),
+		BPF_ATOMIC_OP(BPF_W, BPF_AND | BPF_FETCH, BPF_REG_2, BPF_REG_1, 0),
+		BPF_LDX_MEM(BPF_DW, BPF_REG_9, BPF_REG_2, 0),
+		BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
+		BPF_MOV64_REG(BPF_REG_1, BPF_REG_8),
+		BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+		BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 1),
+		BPF_STX_MEM(BPF_DW, BPF_REG_0, BPF_REG_9, 0),
+		BPF_MOV64_IMM(BPF_REG_0, 0),
+		BPF_EXIT_INSN(),
+	},
+	.fixup_map_array_48b = { 2, 4 },
+	.result = REJECT,
+	.errstr = "invalid size of register fill",
+},
+{
+	"atomic w/fetch and address leakage of (map ptr & -1) via returned value",
+	.insns = {
+		BPF_LD_IMM64(BPF_REG_1, -1),
+		BPF_LD_MAP_FD(BPF_REG_8, 0),
+		BPF_LD_MAP_FD(BPF_REG_9, 0),
+		BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+		BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+		BPF_STX_MEM(BPF_DW, BPF_REG_2, BPF_REG_9, 0),
+		BPF_ATOMIC_OP(BPF_W, BPF_AND | BPF_FETCH, BPF_REG_2, BPF_REG_1, 0),
+		BPF_MOV64_REG(BPF_REG_9, BPF_REG_1),
+		BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
+		BPF_MOV64_REG(BPF_REG_1, BPF_REG_8),
+		BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+		BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 1),
+		BPF_STX_MEM(BPF_DW, BPF_REG_0, BPF_REG_9, 0),
+		BPF_MOV64_IMM(BPF_REG_0, 0),
+		BPF_EXIT_INSN(),
+	},
+	.fixup_map_array_48b = { 2, 4 },
+	.result = REJECT,
+	.errstr = "invalid size of register fill",
+},
+#define __ATOMIC_FETCH_OP_TEST(src_reg, dst_reg, operand1, op, operand2, expect) \
+	{								\
+		"atomic fetch " #op ", src=" #dst_reg " dst=" #dst_reg,	\
+		.insns = {						\
+			/* u64 val = operan1; */			\
+			BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, operand1),	\
+			/* u64 old = atomic_fetch_add(&val, operand2); */ \
+			BPF_MOV64_REG(dst_reg, BPF_REG_10),		\
+			BPF_MOV64_IMM(src_reg, operand2),		\
+			BPF_ATOMIC_OP(BPF_DW, op,			\
+				      dst_reg, src_reg, -8),		\
+			/* if (old != operand1) exit(1); */		\
+			BPF_JMP_IMM(BPF_JEQ, src_reg, operand1, 2),	\
+			BPF_MOV64_IMM(BPF_REG_0, 1),			\
+			BPF_EXIT_INSN(),				\
+			/* if (val != result) exit (2); */		\
+			BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_10, -8),	\
+			BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, expect, 2),	\
+			BPF_MOV64_IMM(BPF_REG_0, 2),			\
+			BPF_EXIT_INSN(),				\
+			/* exit(0); */					\
+			BPF_MOV64_IMM(BPF_REG_0, 0),			\
+			BPF_EXIT_INSN(),				\
+		},							\
+		.result = ACCEPT,					\
+	}
+__ATOMIC_FETCH_OP_TEST(BPF_REG_1, BPF_REG_2, 1, BPF_ADD | BPF_FETCH, 2, 3),
+__ATOMIC_FETCH_OP_TEST(BPF_REG_0, BPF_REG_1, 1, BPF_ADD | BPF_FETCH, 2, 3),
+__ATOMIC_FETCH_OP_TEST(BPF_REG_1, BPF_REG_0, 1, BPF_ADD | BPF_FETCH, 2, 3),
+__ATOMIC_FETCH_OP_TEST(BPF_REG_2, BPF_REG_3, 1, BPF_ADD | BPF_FETCH, 2, 3),
+__ATOMIC_FETCH_OP_TEST(BPF_REG_4, BPF_REG_5, 1, BPF_ADD | BPF_FETCH, 2, 3),
+__ATOMIC_FETCH_OP_TEST(BPF_REG_9, BPF_REG_8, 1, BPF_ADD | BPF_FETCH, 2, 3),
+__ATOMIC_FETCH_OP_TEST(BPF_REG_1, BPF_REG_2, 0x010, BPF_AND | BPF_FETCH, 0x011, 0x010),
+__ATOMIC_FETCH_OP_TEST(BPF_REG_0, BPF_REG_1, 0x010, BPF_AND | BPF_FETCH, 0x011, 0x010),
+__ATOMIC_FETCH_OP_TEST(BPF_REG_1, BPF_REG_0, 0x010, BPF_AND | BPF_FETCH, 0x011, 0x010),
+__ATOMIC_FETCH_OP_TEST(BPF_REG_2, BPF_REG_3, 0x010, BPF_AND | BPF_FETCH, 0x011, 0x010),
+__ATOMIC_FETCH_OP_TEST(BPF_REG_4, BPF_REG_5, 0x010, BPF_AND | BPF_FETCH, 0x011, 0x010),
+__ATOMIC_FETCH_OP_TEST(BPF_REG_9, BPF_REG_8, 0x010, BPF_AND | BPF_FETCH, 0x011, 0x010),
+__ATOMIC_FETCH_OP_TEST(BPF_REG_1, BPF_REG_2, 0x010, BPF_OR | BPF_FETCH, 0x011, 0x011),
+__ATOMIC_FETCH_OP_TEST(BPF_REG_0, BPF_REG_1, 0x010, BPF_OR | BPF_FETCH, 0x011, 0x011),
+__ATOMIC_FETCH_OP_TEST(BPF_REG_1, BPF_REG_0, 0x010, BPF_OR | BPF_FETCH, 0x011, 0x011),
+__ATOMIC_FETCH_OP_TEST(BPF_REG_2, BPF_REG_3, 0x010, BPF_OR | BPF_FETCH, 0x011, 0x011),
+__ATOMIC_FETCH_OP_TEST(BPF_REG_4, BPF_REG_5, 0x010, BPF_OR | BPF_FETCH, 0x011, 0x011),
+__ATOMIC_FETCH_OP_TEST(BPF_REG_9, BPF_REG_8, 0x010, BPF_OR | BPF_FETCH, 0x011, 0x011),
+__ATOMIC_FETCH_OP_TEST(BPF_REG_1, BPF_REG_2, 0x010, BPF_XOR | BPF_FETCH, 0x011, 0x001),
+__ATOMIC_FETCH_OP_TEST(BPF_REG_0, BPF_REG_1, 0x010, BPF_XOR | BPF_FETCH, 0x011, 0x001),
+__ATOMIC_FETCH_OP_TEST(BPF_REG_1, BPF_REG_0, 0x010, BPF_XOR | BPF_FETCH, 0x011, 0x001),
+__ATOMIC_FETCH_OP_TEST(BPF_REG_2, BPF_REG_3, 0x010, BPF_XOR | BPF_FETCH, 0x011, 0x001),
+__ATOMIC_FETCH_OP_TEST(BPF_REG_4, BPF_REG_5, 0x010, BPF_XOR | BPF_FETCH, 0x011, 0x001),
+__ATOMIC_FETCH_OP_TEST(BPF_REG_9, BPF_REG_8, 0x010, BPF_XOR | BPF_FETCH, 0x011, 0x001),
+__ATOMIC_FETCH_OP_TEST(BPF_REG_1, BPF_REG_2, 0x010, BPF_XCHG, 0x011, 0x011),
+__ATOMIC_FETCH_OP_TEST(BPF_REG_0, BPF_REG_1, 0x010, BPF_XCHG, 0x011, 0x011),
+__ATOMIC_FETCH_OP_TEST(BPF_REG_1, BPF_REG_0, 0x010, BPF_XCHG, 0x011, 0x011),
+__ATOMIC_FETCH_OP_TEST(BPF_REG_2, BPF_REG_3, 0x010, BPF_XCHG, 0x011, 0x011),
+__ATOMIC_FETCH_OP_TEST(BPF_REG_4, BPF_REG_5, 0x010, BPF_XCHG, 0x011, 0x011),
+__ATOMIC_FETCH_OP_TEST(BPF_REG_9, BPF_REG_8, 0x010, BPF_XCHG, 0x011, 0x011),
+#undef __ATOMIC_FETCH_OP_TEST
diff --git a/tools/testing/selftests/bpf/verifier/atomic_fetch_add.c b/tools/testing/selftests/bpf/verifier/atomic_fetch_add.c
new file mode 100644
index 000000000..a91de8cd9
--- /dev/null
+++ b/tools/testing/selftests/bpf/verifier/atomic_fetch_add.c
@@ -0,0 +1,106 @@
+{
+	"BPF_ATOMIC_FETCH_ADD smoketest - 64bit",
+	.insns = {
+		BPF_MOV64_IMM(BPF_REG_0, 0),
+		/* Write 3 to stack */
+		BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 3),
+		/* Put a 1 in R1, add it to the 3 on the stack, and load the value back into R1 */
+		BPF_MOV64_IMM(BPF_REG_1, 1),
+		BPF_ATOMIC_OP(BPF_DW, BPF_ADD | BPF_FETCH, BPF_REG_10, BPF_REG_1, -8),
+		/* Check the value we loaded back was 3 */
+		BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 3, 2),
+		BPF_MOV64_IMM(BPF_REG_0, 1),
+		BPF_EXIT_INSN(),
+		/* Load value from stack */
+		BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_10, -8),
+		/* Check value loaded from stack was 4 */
+		BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 4, 1),
+		BPF_MOV64_IMM(BPF_REG_0, 2),
+		BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+},
+{
+	"BPF_ATOMIC_FETCH_ADD smoketest - 32bit",
+	.insns = {
+		BPF_MOV64_IMM(BPF_REG_0, 0),
+		/* Write 3 to stack */
+		BPF_ST_MEM(BPF_W, BPF_REG_10, -4, 3),
+		/* Put a 1 in R1, add it to the 3 on the stack, and load the value back into R1 */
+		BPF_MOV32_IMM(BPF_REG_1, 1),
+		BPF_ATOMIC_OP(BPF_W, BPF_ADD | BPF_FETCH, BPF_REG_10, BPF_REG_1, -4),
+		/* Check the value we loaded back was 3 */
+		BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 3, 2),
+		BPF_MOV64_IMM(BPF_REG_0, 1),
+		BPF_EXIT_INSN(),
+		/* Load value from stack */
+		BPF_LDX_MEM(BPF_W, BPF_REG_1, BPF_REG_10, -4),
+		/* Check value loaded from stack was 4 */
+		BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 4, 1),
+		BPF_MOV64_IMM(BPF_REG_0, 2),
+		BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+},
+{
+	"Can't use ATM_FETCH_ADD on frame pointer",
+	.insns = {
+		BPF_MOV64_IMM(BPF_REG_0, 0),
+		BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 3),
+		BPF_ATOMIC_OP(BPF_DW, BPF_ADD | BPF_FETCH, BPF_REG_10, BPF_REG_10, -8),
+		BPF_EXIT_INSN(),
+	},
+	.result = REJECT,
+	.errstr_unpriv = "R10 leaks addr into mem",
+	.errstr = "frame pointer is read only",
+},
+{
+	"Can't use ATM_FETCH_ADD on uninit src reg",
+	.insns = {
+		BPF_MOV64_IMM(BPF_REG_0, 0),
+		BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 3),
+		BPF_ATOMIC_OP(BPF_DW, BPF_ADD | BPF_FETCH, BPF_REG_10, BPF_REG_2, -8),
+		BPF_EXIT_INSN(),
+	},
+	.result = REJECT,
+	/* It happens that the address leak check is first, but it would also be
+	 * complain about the fact that we're trying to modify R10.
+	 */
+	.errstr = "!read_ok",
+},
+{
+	"Can't use ATM_FETCH_ADD on uninit dst reg",
+	.insns = {
+		BPF_MOV64_IMM(BPF_REG_0, 0),
+		BPF_ATOMIC_OP(BPF_DW, BPF_ADD | BPF_FETCH, BPF_REG_2, BPF_REG_0, -8),
+		BPF_EXIT_INSN(),
+	},
+	.result = REJECT,
+	/* It happens that the address leak check is first, but it would also be
+	 * complain about the fact that we're trying to modify R10.
+	 */
+	.errstr = "!read_ok",
+},
+{
+	"Can't use ATM_FETCH_ADD on kernel memory",
+	.insns = {
+		/* This is an fentry prog, context is array of the args of the
+		 * kernel function being called. Load first arg into R2.
+		 */
+		BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_1, 0),
+		/* First arg of bpf_fentry_test7 is a pointer to a struct.
+		 * Attempt to modify that struct. Verifier shouldn't let us
+		 * because it's kernel memory.
+		 */
+		BPF_MOV64_IMM(BPF_REG_3, 1),
+		BPF_ATOMIC_OP(BPF_DW, BPF_ADD | BPF_FETCH, BPF_REG_2, BPF_REG_3, 0),
+		/* Done */
+		BPF_MOV64_IMM(BPF_REG_0, 0),
+		BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_TRACING,
+	.expected_attach_type = BPF_TRACE_FENTRY,
+	.kfunc = "bpf_fentry_test7",
+	.result = REJECT,
+	.errstr = "only read is supported",
+},
diff --git a/tools/testing/selftests/bpf/verifier/atomic_invalid.c b/tools/testing/selftests/bpf/verifier/atomic_invalid.c
new file mode 100644
index 000000000..25f4ac1c6
--- /dev/null
+++ b/tools/testing/selftests/bpf/verifier/atomic_invalid.c
@@ -0,0 +1,25 @@
+#define __INVALID_ATOMIC_ACCESS_TEST(op)				\
+	{								\
+		"atomic " #op " access through non-pointer ",		\
+		.insns = {						\
+			BPF_MOV64_IMM(BPF_REG_0, 1),			\
+			BPF_MOV64_IMM(BPF_REG_1, 0),			\
+			BPF_ATOMIC_OP(BPF_DW, op, BPF_REG_1, BPF_REG_0, -8), \
+			BPF_MOV64_IMM(BPF_REG_0, 0),			\
+			BPF_EXIT_INSN(),				\
+		},							\
+		.result = REJECT,					\
+		.errstr = "R1 invalid mem access 'scalar'"		\
+	}
+__INVALID_ATOMIC_ACCESS_TEST(BPF_ADD),
+__INVALID_ATOMIC_ACCESS_TEST(BPF_ADD | BPF_FETCH),
+__INVALID_ATOMIC_ACCESS_TEST(BPF_ADD),
+__INVALID_ATOMIC_ACCESS_TEST(BPF_ADD | BPF_FETCH),
+__INVALID_ATOMIC_ACCESS_TEST(BPF_AND),
+__INVALID_ATOMIC_ACCESS_TEST(BPF_AND | BPF_FETCH),
+__INVALID_ATOMIC_ACCESS_TEST(BPF_OR),
+__INVALID_ATOMIC_ACCESS_TEST(BPF_OR | BPF_FETCH),
+__INVALID_ATOMIC_ACCESS_TEST(BPF_XOR),
+__INVALID_ATOMIC_ACCESS_TEST(BPF_XOR | BPF_FETCH),
+__INVALID_ATOMIC_ACCESS_TEST(BPF_XCHG),
+__INVALID_ATOMIC_ACCESS_TEST(BPF_CMPXCHG),
diff --git a/tools/testing/selftests/bpf/verifier/atomic_or.c b/tools/testing/selftests/bpf/verifier/atomic_or.c
new file mode 100644
index 000000000..9d0716ac5
--- /dev/null
+++ b/tools/testing/selftests/bpf/verifier/atomic_or.c
@@ -0,0 +1,102 @@
+{
+	"BPF_ATOMIC OR without fetch",
+	.insns = {
+		/* val = 0x110; */
+		BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0x110),
+		/* atomic_or(&val, 0x011); */
+		BPF_MOV64_IMM(BPF_REG_1, 0x011),
+		BPF_ATOMIC_OP(BPF_DW, BPF_OR, BPF_REG_10, BPF_REG_1, -8),
+		/* if (val != 0x111) exit(2); */
+		BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_10, -8),
+		BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0x111, 2),
+		BPF_MOV64_IMM(BPF_REG_0, 2),
+		BPF_EXIT_INSN(),
+		/* r1 should not be clobbered, no BPF_FETCH flag */
+		BPF_MOV64_IMM(BPF_REG_0, 0),
+		BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 0x011, 1),
+		BPF_MOV64_IMM(BPF_REG_0, 1),
+		BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+},
+{
+	"BPF_ATOMIC OR with fetch",
+	.insns = {
+		BPF_MOV64_IMM(BPF_REG_0, 123),
+		/* val = 0x110; */
+		BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0x110),
+		/* old = atomic_fetch_or(&val, 0x011); */
+		BPF_MOV64_IMM(BPF_REG_1, 0x011),
+		BPF_ATOMIC_OP(BPF_DW, BPF_OR | BPF_FETCH, BPF_REG_10, BPF_REG_1, -8),
+		/* if (old != 0x110) exit(3); */
+		BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 0x110, 2),
+		BPF_MOV64_IMM(BPF_REG_0, 3),
+		BPF_EXIT_INSN(),
+		/* if (val != 0x111) exit(2); */
+		BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_10, -8),
+		BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 0x111, 2),
+		BPF_MOV64_IMM(BPF_REG_1, 2),
+		BPF_EXIT_INSN(),
+		/* Check R0 wasn't clobbered (for fear of x86 JIT bug) */
+		BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 123, 2),
+		BPF_MOV64_IMM(BPF_REG_0, 1),
+		BPF_EXIT_INSN(),
+		/* exit(0); */
+		BPF_MOV64_IMM(BPF_REG_0, 0),
+		BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+},
+{
+	"BPF_ATOMIC OR with fetch 32bit",
+	.insns = {
+		/* r0 = (s64) -1 */
+		BPF_MOV64_IMM(BPF_REG_0, 0),
+		BPF_ALU64_IMM(BPF_SUB, BPF_REG_0, 1),
+		/* val = 0x110; */
+		BPF_ST_MEM(BPF_W, BPF_REG_10, -4, 0x110),
+		/* old = atomic_fetch_or(&val, 0x011); */
+		BPF_MOV32_IMM(BPF_REG_1, 0x011),
+		BPF_ATOMIC_OP(BPF_W, BPF_OR | BPF_FETCH, BPF_REG_10, BPF_REG_1, -4),
+		/* if (old != 0x110) exit(3); */
+		BPF_JMP32_IMM(BPF_JEQ, BPF_REG_1, 0x110, 2),
+		BPF_MOV32_IMM(BPF_REG_0, 3),
+		BPF_EXIT_INSN(),
+		/* if (val != 0x111) exit(2); */
+		BPF_LDX_MEM(BPF_W, BPF_REG_1, BPF_REG_10, -4),
+		BPF_JMP32_IMM(BPF_JEQ, BPF_REG_1, 0x111, 2),
+		BPF_MOV32_IMM(BPF_REG_1, 2),
+		BPF_EXIT_INSN(),
+		/* Check R0 wasn't clobbered (for fear of x86 JIT bug)
+		 * It should be -1 so add 1 to get exit code.
+		 */
+		BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 1),
+		BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+},
+{
+	"BPF_W atomic_fetch_or should zero top 32 bits",
+	.insns = {
+		/* r1 = U64_MAX; */
+		BPF_MOV64_IMM(BPF_REG_1, 0),
+		BPF_ALU64_IMM(BPF_SUB, BPF_REG_1, 1),
+		/* u64 val = r1; */
+		BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_1, -8),
+		/* r1 = (u32)atomic_fetch_or((u32 *)&val, 2); */
+		BPF_MOV32_IMM(BPF_REG_1, 2),
+		BPF_ATOMIC_OP(BPF_W, BPF_OR | BPF_FETCH, BPF_REG_10, BPF_REG_1, -8),
+		/* r2 = 0x00000000FFFFFFFF; */
+		BPF_MOV64_IMM(BPF_REG_2, 1),
+		BPF_ALU64_IMM(BPF_LSH, BPF_REG_2, 32),
+		BPF_ALU64_IMM(BPF_SUB, BPF_REG_2, 1),
+		/* if (r2 != r1) exit(1); */
+		BPF_JMP_REG(BPF_JEQ, BPF_REG_2, BPF_REG_1, 2),
+		BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
+		BPF_EXIT_INSN(),
+		/* exit(0); */
+		BPF_MOV32_IMM(BPF_REG_0, 0),
+		BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+},
diff --git a/tools/testing/selftests/bpf/verifier/atomic_xchg.c b/tools/testing/selftests/bpf/verifier/atomic_xchg.c
new file mode 100644
index 000000000..33e2d6c97
--- /dev/null
+++ b/tools/testing/selftests/bpf/verifier/atomic_xchg.c
@@ -0,0 +1,46 @@
+{
+	"atomic exchange smoketest - 64bit",
+	.insns = {
+		/* val = 3; */
+		BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 3),
+		/* old = atomic_xchg(&val, 4); */
+		BPF_MOV64_IMM(BPF_REG_1, 4),
+		BPF_ATOMIC_OP(BPF_DW, BPF_XCHG, BPF_REG_10, BPF_REG_1, -8),
+		/* if (old != 3) exit(1); */
+		BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 3, 2),
+		BPF_MOV64_IMM(BPF_REG_0, 1),
+		BPF_EXIT_INSN(),
+		/* if (val != 4) exit(2); */
+		BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_10, -8),
+		BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 4, 2),
+		BPF_MOV64_IMM(BPF_REG_0, 2),
+		BPF_EXIT_INSN(),
+		/* exit(0); */
+		BPF_MOV64_IMM(BPF_REG_0, 0),
+		BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+},
+{
+	"atomic exchange smoketest - 32bit",
+	.insns = {
+		/* val = 3; */
+		BPF_ST_MEM(BPF_W, BPF_REG_10, -4, 3),
+		/* old = atomic_xchg(&val, 4); */
+		BPF_MOV32_IMM(BPF_REG_1, 4),
+		BPF_ATOMIC_OP(BPF_W, BPF_XCHG, BPF_REG_10, BPF_REG_1, -4),
+		/* if (old != 3) exit(1); */
+		BPF_JMP32_IMM(BPF_JEQ, BPF_REG_1, 3, 2),
+		BPF_MOV32_IMM(BPF_REG_0, 1),
+		BPF_EXIT_INSN(),
+		/* if (val != 4) exit(2); */
+		BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_10, -4),
+		BPF_JMP32_IMM(BPF_JEQ, BPF_REG_0, 4, 2),
+		BPF_MOV32_IMM(BPF_REG_0, 2),
+		BPF_EXIT_INSN(),
+		/* exit(0); */
+		BPF_MOV32_IMM(BPF_REG_0, 0),
+		BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+},
diff --git a/tools/testing/selftests/bpf/verifier/atomic_xor.c b/tools/testing/selftests/bpf/verifier/atomic_xor.c
new file mode 100644
index 000000000..74e8fb466
--- /dev/null
+++ b/tools/testing/selftests/bpf/verifier/atomic_xor.c
@@ -0,0 +1,77 @@
+{
+	"BPF_ATOMIC XOR without fetch",
+	.insns = {
+		/* val = 0x110; */
+		BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0x110),
+		/* atomic_xor(&val, 0x011); */
+		BPF_MOV64_IMM(BPF_REG_1, 0x011),
+		BPF_ATOMIC_OP(BPF_DW, BPF_XOR, BPF_REG_10, BPF_REG_1, -8),
+		/* if (val != 0x101) exit(2); */
+		BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_10, -8),
+		BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0x101, 2),
+		BPF_MOV64_IMM(BPF_REG_0, 2),
+		BPF_EXIT_INSN(),
+		/* r1 should not be clobbered, no BPF_FETCH flag */
+		BPF_MOV64_IMM(BPF_REG_0, 0),
+		BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 0x011, 1),
+		BPF_MOV64_IMM(BPF_REG_0, 1),
+		BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+},
+{
+	"BPF_ATOMIC XOR with fetch",
+	.insns = {
+		BPF_MOV64_IMM(BPF_REG_0, 123),
+		/* val = 0x110; */
+		BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0x110),
+		/* old = atomic_fetch_xor(&val, 0x011); */
+		BPF_MOV64_IMM(BPF_REG_1, 0x011),
+		BPF_ATOMIC_OP(BPF_DW, BPF_XOR | BPF_FETCH, BPF_REG_10, BPF_REG_1, -8),
+		/* if (old != 0x110) exit(3); */
+		BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 0x110, 2),
+		BPF_MOV64_IMM(BPF_REG_0, 3),
+		BPF_EXIT_INSN(),
+		/* if (val != 0x101) exit(2); */
+		BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_10, -8),
+		BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 0x101, 2),
+		BPF_MOV64_IMM(BPF_REG_1, 2),
+		BPF_EXIT_INSN(),
+		/* Check R0 wasn't clobbered (fxor fear of x86 JIT bug) */
+		BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 123, 2),
+		BPF_MOV64_IMM(BPF_REG_0, 1),
+		BPF_EXIT_INSN(),
+		/* exit(0); */
+		BPF_MOV64_IMM(BPF_REG_0, 0),
+		BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+},
+{
+	"BPF_ATOMIC XOR with fetch 32bit",
+	.insns = {
+		/* r0 = (s64) -1 */
+		BPF_MOV64_IMM(BPF_REG_0, 0),
+		BPF_ALU64_IMM(BPF_SUB, BPF_REG_0, 1),
+		/* val = 0x110; */
+		BPF_ST_MEM(BPF_W, BPF_REG_10, -4, 0x110),
+		/* old = atomic_fetch_xor(&val, 0x011); */
+		BPF_MOV32_IMM(BPF_REG_1, 0x011),
+		BPF_ATOMIC_OP(BPF_W, BPF_XOR | BPF_FETCH, BPF_REG_10, BPF_REG_1, -4),
+		/* if (old != 0x110) exit(3); */
+		BPF_JMP32_IMM(BPF_JEQ, BPF_REG_1, 0x110, 2),
+		BPF_MOV32_IMM(BPF_REG_0, 3),
+		BPF_EXIT_INSN(),
+		/* if (val != 0x101) exit(2); */
+		BPF_LDX_MEM(BPF_W, BPF_REG_1, BPF_REG_10, -4),
+		BPF_JMP32_IMM(BPF_JEQ, BPF_REG_1, 0x101, 2),
+		BPF_MOV32_IMM(BPF_REG_1, 2),
+		BPF_EXIT_INSN(),
+		/* Check R0 wasn't clobbered (fxor fear of x86 JIT bug)
+		 * It should be -1 so add 1 to get exit code.
+		 */
+		BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 1),
+		BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+},
diff --git a/tools/testing/selftests/bpf/verifier/basic.c b/tools/testing/selftests/bpf/verifier/basic.c
new file mode 100644
index 000000000..de84f0d57
--- /dev/null
+++ b/tools/testing/selftests/bpf/verifier/basic.c
@@ -0,0 +1,23 @@
+{
+	"empty prog",
+	.insns = {
+	},
+	.errstr = "last insn is not an exit or jmp",
+	.result = REJECT,
+},
+{
+	"only exit insn",
+	.insns = {
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "R0 !read_ok",
+	.result = REJECT,
+},
+{
+	"no bpf_exit",
+	.insns = {
+	BPF_ALU64_REG(BPF_MOV, BPF_REG_0, BPF_REG_2),
+	},
+	.errstr = "not an exit",
+	.result = REJECT,
+},
diff --git a/tools/testing/selftests/bpf/verifier/basic_call.c b/tools/testing/selftests/bpf/verifier/basic_call.c
new file mode 100644
index 000000000..a8c6ab4c1
--- /dev/null
+++ b/tools/testing/selftests/bpf/verifier/basic_call.c
@@ -0,0 +1,50 @@
+{
+	"invalid call insn1",
+	.insns = {
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL | BPF_X, 0, 0, 0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "unknown opcode 8d",
+	.result = REJECT,
+},
+{
+	"invalid call insn2",
+	.insns = {
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 1, 0),
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "BPF_CALL uses reserved",
+	.result = REJECT,
+},
+{
+	"invalid function call",
+	.insns = {
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, 1234567),
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "invalid func unknown#1234567",
+	.result = REJECT,
+},
+{
+	"invalid argument register",
+	.insns = {
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_cgroup_classid),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_cgroup_classid),
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "R1 !read_ok",
+	.result = REJECT,
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+},
+{
+	"non-invalid argument register",
+	.insns = {
+	BPF_ALU64_REG(BPF_MOV, BPF_REG_6, BPF_REG_1),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_cgroup_classid),
+	BPF_ALU64_REG(BPF_MOV, BPF_REG_1, BPF_REG_6),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_cgroup_classid),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+},
diff --git a/tools/testing/selftests/bpf/verifier/basic_instr.c b/tools/testing/selftests/bpf/verifier/basic_instr.c
new file mode 100644
index 000000000..071dbc889
--- /dev/null
+++ b/tools/testing/selftests/bpf/verifier/basic_instr.c
@@ -0,0 +1,219 @@
+{
+	"add+sub+mul",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_1, 1),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 2),
+	BPF_MOV64_IMM(BPF_REG_2, 3),
+	BPF_ALU64_REG(BPF_SUB, BPF_REG_1, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -1),
+	BPF_ALU64_IMM(BPF_MUL, BPF_REG_1, 3),
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.retval = -3,
+},
+{
+	"xor32 zero extend check",
+	.insns = {
+	BPF_MOV32_IMM(BPF_REG_2, -1),
+	BPF_ALU64_IMM(BPF_LSH, BPF_REG_2, 32),
+	BPF_ALU64_IMM(BPF_OR, BPF_REG_2, 0xffff),
+	BPF_ALU32_REG(BPF_XOR, BPF_REG_2, BPF_REG_2),
+	BPF_MOV32_IMM(BPF_REG_0, 2),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_2, 0, 1),
+	BPF_MOV32_IMM(BPF_REG_0, 1),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.result = ACCEPT,
+	.retval = 1,
+},
+{
+	"arsh32 on imm",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_0, 1),
+	BPF_ALU32_IMM(BPF_ARSH, BPF_REG_0, 5),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.retval = 0,
+},
+{
+	"arsh32 on imm 2",
+	.insns = {
+	BPF_LD_IMM64(BPF_REG_0, 0x1122334485667788),
+	BPF_ALU32_IMM(BPF_ARSH, BPF_REG_0, 7),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.retval = -16069393,
+},
+{
+	"arsh32 on reg",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_0, 1),
+	BPF_MOV64_IMM(BPF_REG_1, 5),
+	BPF_ALU32_REG(BPF_ARSH, BPF_REG_0, BPF_REG_1),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.retval = 0,
+},
+{
+	"arsh32 on reg 2",
+	.insns = {
+	BPF_LD_IMM64(BPF_REG_0, 0xffff55667788),
+	BPF_MOV64_IMM(BPF_REG_1, 15),
+	BPF_ALU32_REG(BPF_ARSH, BPF_REG_0, BPF_REG_1),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.retval = 43724,
+},
+{
+	"arsh64 on imm",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_0, 1),
+	BPF_ALU64_IMM(BPF_ARSH, BPF_REG_0, 5),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+},
+{
+	"arsh64 on reg",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_0, 1),
+	BPF_MOV64_IMM(BPF_REG_1, 5),
+	BPF_ALU64_REG(BPF_ARSH, BPF_REG_0, BPF_REG_1),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+},
+{
+	"lsh64 by 0 imm",
+	.insns = {
+	BPF_LD_IMM64(BPF_REG_0, 1),
+	BPF_LD_IMM64(BPF_REG_1, 1),
+	BPF_ALU64_IMM(BPF_LSH, BPF_REG_1, 0),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 1, 1),
+	BPF_MOV64_IMM(BPF_REG_0, 2),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.retval = 1,
+},
+{
+	"rsh64 by 0 imm",
+	.insns = {
+	BPF_LD_IMM64(BPF_REG_0, 1),
+	BPF_LD_IMM64(BPF_REG_1, 0x100000000LL),
+	BPF_ALU64_REG(BPF_MOV, BPF_REG_2, BPF_REG_1),
+	BPF_ALU64_IMM(BPF_RSH, BPF_REG_1, 0),
+	BPF_JMP_REG(BPF_JEQ, BPF_REG_1, BPF_REG_2, 1),
+	BPF_MOV64_IMM(BPF_REG_0, 2),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.retval = 1,
+},
+{
+	"arsh64 by 0 imm",
+	.insns = {
+	BPF_LD_IMM64(BPF_REG_0, 1),
+	BPF_LD_IMM64(BPF_REG_1, 0x100000000LL),
+	BPF_ALU64_REG(BPF_MOV, BPF_REG_2, BPF_REG_1),
+	BPF_ALU64_IMM(BPF_ARSH, BPF_REG_1, 0),
+	BPF_JMP_REG(BPF_JEQ, BPF_REG_1, BPF_REG_2, 1),
+	BPF_MOV64_IMM(BPF_REG_0, 2),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.retval = 1,
+},
+{
+	"lsh64 by 0 reg",
+	.insns = {
+	BPF_LD_IMM64(BPF_REG_0, 1),
+	BPF_LD_IMM64(BPF_REG_1, 1),
+	BPF_LD_IMM64(BPF_REG_2, 0),
+	BPF_ALU64_REG(BPF_LSH, BPF_REG_1, BPF_REG_2),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 1, 1),
+	BPF_MOV64_IMM(BPF_REG_0, 2),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.retval = 1,
+},
+{
+	"rsh64 by 0 reg",
+	.insns = {
+	BPF_LD_IMM64(BPF_REG_0, 1),
+	BPF_LD_IMM64(BPF_REG_1, 0x100000000LL),
+	BPF_ALU64_REG(BPF_MOV, BPF_REG_2, BPF_REG_1),
+	BPF_LD_IMM64(BPF_REG_3, 0),
+	BPF_ALU64_REG(BPF_RSH, BPF_REG_1, BPF_REG_3),
+	BPF_JMP_REG(BPF_JEQ, BPF_REG_1, BPF_REG_2, 1),
+	BPF_MOV64_IMM(BPF_REG_0, 2),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.retval = 1,
+},
+{
+	"arsh64 by 0 reg",
+	.insns = {
+	BPF_LD_IMM64(BPF_REG_0, 1),
+	BPF_LD_IMM64(BPF_REG_1, 0x100000000LL),
+	BPF_ALU64_REG(BPF_MOV, BPF_REG_2, BPF_REG_1),
+	BPF_LD_IMM64(BPF_REG_3, 0),
+	BPF_ALU64_REG(BPF_ARSH, BPF_REG_1, BPF_REG_3),
+	BPF_JMP_REG(BPF_JEQ, BPF_REG_1, BPF_REG_2, 1),
+	BPF_MOV64_IMM(BPF_REG_0, 2),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.retval = 1,
+},
+{
+	"invalid 64-bit BPF_END",
+	.insns = {
+	BPF_MOV32_IMM(BPF_REG_0, 0),
+	{
+		.code  = BPF_ALU64 | BPF_END | BPF_TO_LE,
+		.dst_reg = BPF_REG_0,
+		.src_reg = 0,
+		.off   = 0,
+		.imm   = 32,
+	},
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "unknown opcode d7",
+	.result = REJECT,
+},
+{
+	"mov64 src == dst",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_2, 0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_2),
+	// Check bounds are OK
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_2),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.result = ACCEPT,
+},
+{
+	"mov64 src != dst",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_3, 0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_3),
+	// Check bounds are OK
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_2),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.result = ACCEPT,
+},
diff --git a/tools/testing/selftests/bpf/verifier/basic_stack.c b/tools/testing/selftests/bpf/verifier/basic_stack.c
new file mode 100644
index 000000000..f995777dd
--- /dev/null
+++ b/tools/testing/selftests/bpf/verifier/basic_stack.c
@@ -0,0 +1,64 @@
+{
+	"stack out of bounds",
+	.insns = {
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, 8, 0),
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "invalid write to stack",
+	.result = REJECT,
+},
+{
+	"uninitialized stack1",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_8b = { 2 },
+	.errstr = "invalid indirect read from stack",
+	.result = REJECT,
+},
+{
+	"uninitialized stack2",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_2, -8),
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "invalid read from stack",
+	.result = REJECT,
+},
+{
+	"invalid fp arithmetic",
+	/* If this gets ever changed, make sure JITs can deal with it. */
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_SUB, BPF_REG_1, 8),
+	BPF_STX_MEM(BPF_DW, BPF_REG_1, BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "R1 subtraction from stack pointer",
+	.result = REJECT,
+},
+{
+	"non-invalid fp arithmetic",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -8),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+},
+{
+	"misaligned read from stack",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_2, -4),
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "misaligned stack access",
+	.result = REJECT,
+},
diff --git a/tools/testing/selftests/bpf/verifier/basic_stx_ldx.c b/tools/testing/selftests/bpf/verifier/basic_stx_ldx.c
new file mode 100644
index 000000000..7a0aab3f2
--- /dev/null
+++ b/tools/testing/selftests/bpf/verifier/basic_stx_ldx.c
@@ -0,0 +1,45 @@
+{
+	"invalid src register in STX",
+	.insns = {
+	BPF_STX_MEM(BPF_B, BPF_REG_10, -1, -1),
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "R15 is invalid",
+	.result = REJECT,
+},
+{
+	"invalid dst register in STX",
+	.insns = {
+	BPF_STX_MEM(BPF_B, 14, BPF_REG_10, -1),
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "R14 is invalid",
+	.result = REJECT,
+},
+{
+	"invalid dst register in ST",
+	.insns = {
+	BPF_ST_MEM(BPF_B, 14, -1, -1),
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "R14 is invalid",
+	.result = REJECT,
+},
+{
+	"invalid src register in LDX",
+	.insns = {
+	BPF_LDX_MEM(BPF_B, BPF_REG_0, 12, 0),
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "R12 is invalid",
+	.result = REJECT,
+},
+{
+	"invalid dst register in LDX",
+	.insns = {
+	BPF_LDX_MEM(BPF_B, 11, BPF_REG_1, 0),
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "R11 is invalid",
+	.result = REJECT,
+},
diff --git a/tools/testing/selftests/bpf/verifier/bounds.c b/tools/testing/selftests/bpf/verifier/bounds.c
new file mode 100644
index 000000000..33125d5f6
--- /dev/null
+++ b/tools/testing/selftests/bpf/verifier/bounds.c
@@ -0,0 +1,755 @@
+{
+	"subtraction bounds (map value) variant 1",
+	.insns = {
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 9),
+	BPF_LDX_MEM(BPF_B, BPF_REG_1, BPF_REG_0, 0),
+	BPF_JMP_IMM(BPF_JGT, BPF_REG_1, 0xff, 7),
+	BPF_LDX_MEM(BPF_B, BPF_REG_3, BPF_REG_0, 1),
+	BPF_JMP_IMM(BPF_JGT, BPF_REG_3, 0xff, 5),
+	BPF_ALU64_REG(BPF_SUB, BPF_REG_1, BPF_REG_3),
+	BPF_ALU64_IMM(BPF_RSH, BPF_REG_1, 56),
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
+	BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_8b = { 3 },
+	.errstr = "R0 max value is outside of the allowed memory range",
+	.result = REJECT,
+},
+{
+	"subtraction bounds (map value) variant 2",
+	.insns = {
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 8),
+	BPF_LDX_MEM(BPF_B, BPF_REG_1, BPF_REG_0, 0),
+	BPF_JMP_IMM(BPF_JGT, BPF_REG_1, 0xff, 6),
+	BPF_LDX_MEM(BPF_B, BPF_REG_3, BPF_REG_0, 1),
+	BPF_JMP_IMM(BPF_JGT, BPF_REG_3, 0xff, 4),
+	BPF_ALU64_REG(BPF_SUB, BPF_REG_1, BPF_REG_3),
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
+	BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_8b = { 3 },
+	.errstr = "R0 min value is negative, either use unsigned index or do a if (index >=0) check.",
+	.errstr_unpriv = "R1 has unknown scalar with mixed signed bounds",
+	.result = REJECT,
+},
+{
+	"check subtraction on pointers for unpriv",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_LD_MAP_FD(BPF_REG_ARG1, 0),
+	BPF_MOV64_REG(BPF_REG_ARG2, BPF_REG_FP),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_ARG2, -8),
+	BPF_ST_MEM(BPF_DW, BPF_REG_ARG2, 0, 9),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_MOV64_REG(BPF_REG_9, BPF_REG_FP),
+	BPF_ALU64_REG(BPF_SUB, BPF_REG_9, BPF_REG_0),
+	BPF_LD_MAP_FD(BPF_REG_ARG1, 0),
+	BPF_MOV64_REG(BPF_REG_ARG2, BPF_REG_FP),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_ARG2, -8),
+	BPF_ST_MEM(BPF_DW, BPF_REG_ARG2, 0, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
+	BPF_EXIT_INSN(),
+	BPF_STX_MEM(BPF_DW, BPF_REG_0, BPF_REG_9, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_8b = { 1, 9 },
+	.result = ACCEPT,
+	.result_unpriv = REJECT,
+	.errstr_unpriv = "R9 pointer -= pointer prohibited",
+},
+{
+	"bounds check based on zero-extended MOV",
+	.insns = {
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 4),
+	/* r2 = 0x0000'0000'ffff'ffff */
+	BPF_MOV32_IMM(BPF_REG_2, 0xffffffff),
+	/* r2 = 0 */
+	BPF_ALU64_IMM(BPF_RSH, BPF_REG_2, 32),
+	/* no-op */
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_2),
+	/* access at offset 0 */
+	BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_0, 0),
+	/* exit */
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_8b = { 3 },
+	.result = ACCEPT
+},
+{
+	"bounds check based on sign-extended MOV. test1",
+	.insns = {
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 4),
+	/* r2 = 0xffff'ffff'ffff'ffff */
+	BPF_MOV64_IMM(BPF_REG_2, 0xffffffff),
+	/* r2 = 0xffff'ffff */
+	BPF_ALU64_IMM(BPF_RSH, BPF_REG_2, 32),
+	/* r0 = <oob pointer> */
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_2),
+	/* access to OOB pointer */
+	BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_0, 0),
+	/* exit */
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_8b = { 3 },
+	.errstr = "map_value pointer and 4294967295",
+	.result = REJECT
+},
+{
+	"bounds check based on sign-extended MOV. test2",
+	.insns = {
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 4),
+	/* r2 = 0xffff'ffff'ffff'ffff */
+	BPF_MOV64_IMM(BPF_REG_2, 0xffffffff),
+	/* r2 = 0xfff'ffff */
+	BPF_ALU64_IMM(BPF_RSH, BPF_REG_2, 36),
+	/* r0 = <oob pointer> */
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_2),
+	/* access to OOB pointer */
+	BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_0, 0),
+	/* exit */
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_8b = { 3 },
+	.errstr = "R0 min value is outside of the allowed memory range",
+	.result = REJECT
+},
+{
+	"bounds check based on reg_off + var_off + insn_off. test1",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_6, BPF_REG_1,
+		    offsetof(struct __sk_buff, mark)),
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 4),
+	BPF_ALU64_IMM(BPF_AND, BPF_REG_6, 1),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, (1 << 29) - 1),
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_6),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, (1 << 29) - 1),
+	BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_0, 3),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_8b = { 4 },
+	.errstr = "value_size=8 off=1073741825",
+	.result = REJECT,
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+},
+{
+	"bounds check based on reg_off + var_off + insn_off. test2",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_6, BPF_REG_1,
+		    offsetof(struct __sk_buff, mark)),
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 4),
+	BPF_ALU64_IMM(BPF_AND, BPF_REG_6, 1),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, (1 << 30) - 1),
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_6),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, (1 << 29) - 1),
+	BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_0, 3),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_8b = { 4 },
+	.errstr = "value 1073741823",
+	.result = REJECT,
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+},
+{
+	"bounds check after truncation of non-boundary-crossing range",
+	.insns = {
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 9),
+	/* r1 = [0x00, 0xff] */
+	BPF_LDX_MEM(BPF_B, BPF_REG_1, BPF_REG_0, 0),
+	BPF_MOV64_IMM(BPF_REG_2, 1),
+	/* r2 = 0x10'0000'0000 */
+	BPF_ALU64_IMM(BPF_LSH, BPF_REG_2, 36),
+	/* r1 = [0x10'0000'0000, 0x10'0000'00ff] */
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_2),
+	/* r1 = [0x10'7fff'ffff, 0x10'8000'00fe] */
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 0x7fffffff),
+	/* r1 = [0x00, 0xff] */
+	BPF_ALU32_IMM(BPF_SUB, BPF_REG_1, 0x7fffffff),
+	/* r1 = 0 */
+	BPF_ALU64_IMM(BPF_RSH, BPF_REG_1, 8),
+	/* no-op */
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
+	/* access at offset 0 */
+	BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_0, 0),
+	/* exit */
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_8b = { 3 },
+	.result = ACCEPT
+},
+{
+	"bounds check after truncation of boundary-crossing range (1)",
+	.insns = {
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 8),
+	/* r1 = [0x00, 0xff] */
+	BPF_LDX_MEM(BPF_B, BPF_REG_1, BPF_REG_0, 0),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 0xffffff80 >> 1),
+	/* r1 = [0xffff'ff80, 0x1'0000'007f] */
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 0xffffff80 >> 1),
+	/* r1 = [0xffff'ff80, 0xffff'ffff] or
+	 *      [0x0000'0000, 0x0000'007f]
+	 */
+	BPF_ALU32_IMM(BPF_ADD, BPF_REG_1, 0),
+	BPF_ALU64_IMM(BPF_SUB, BPF_REG_1, 0xffffff80 >> 1),
+	/* r1 = [0x00, 0xff] or
+	 *      [0xffff'ffff'0000'0080, 0xffff'ffff'ffff'ffff]
+	 */
+	BPF_ALU64_IMM(BPF_SUB, BPF_REG_1, 0xffffff80 >> 1),
+	/* error on OOB pointer computation */
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
+	/* exit */
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_8b = { 3 },
+	/* not actually fully unbounded, but the bound is very high */
+	.errstr = "value -4294967168 makes map_value pointer be out of bounds",
+	.result = REJECT,
+},
+{
+	"bounds check after truncation of boundary-crossing range (2)",
+	.insns = {
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 8),
+	/* r1 = [0x00, 0xff] */
+	BPF_LDX_MEM(BPF_B, BPF_REG_1, BPF_REG_0, 0),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 0xffffff80 >> 1),
+	/* r1 = [0xffff'ff80, 0x1'0000'007f] */
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 0xffffff80 >> 1),
+	/* r1 = [0xffff'ff80, 0xffff'ffff] or
+	 *      [0x0000'0000, 0x0000'007f]
+	 * difference to previous test: truncation via MOV32
+	 * instead of ALU32.
+	 */
+	BPF_MOV32_REG(BPF_REG_1, BPF_REG_1),
+	BPF_ALU64_IMM(BPF_SUB, BPF_REG_1, 0xffffff80 >> 1),
+	/* r1 = [0x00, 0xff] or
+	 *      [0xffff'ffff'0000'0080, 0xffff'ffff'ffff'ffff]
+	 */
+	BPF_ALU64_IMM(BPF_SUB, BPF_REG_1, 0xffffff80 >> 1),
+	/* error on OOB pointer computation */
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
+	/* exit */
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_8b = { 3 },
+	.errstr = "value -4294967168 makes map_value pointer be out of bounds",
+	.result = REJECT,
+},
+{
+	"bounds check after wrapping 32-bit addition",
+	.insns = {
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 5),
+	/* r1 = 0x7fff'ffff */
+	BPF_MOV64_IMM(BPF_REG_1, 0x7fffffff),
+	/* r1 = 0xffff'fffe */
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 0x7fffffff),
+	/* r1 = 0 */
+	BPF_ALU32_IMM(BPF_ADD, BPF_REG_1, 2),
+	/* no-op */
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
+	/* access at offset 0 */
+	BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_0, 0),
+	/* exit */
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_8b = { 3 },
+	.result = ACCEPT
+},
+{
+	"bounds check after shift with oversized count operand",
+	.insns = {
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 6),
+	BPF_MOV64_IMM(BPF_REG_2, 32),
+	BPF_MOV64_IMM(BPF_REG_1, 1),
+	/* r1 = (u32)1 << (u32)32 = ? */
+	BPF_ALU32_REG(BPF_LSH, BPF_REG_1, BPF_REG_2),
+	/* r1 = [0x0000, 0xffff] */
+	BPF_ALU64_IMM(BPF_AND, BPF_REG_1, 0xffff),
+	/* computes unknown pointer, potentially OOB */
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
+	/* potentially OOB access */
+	BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_0, 0),
+	/* exit */
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_8b = { 3 },
+	.errstr = "R0 max value is outside of the allowed memory range",
+	.result = REJECT
+},
+{
+	"bounds check after right shift of maybe-negative number",
+	.insns = {
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 6),
+	/* r1 = [0x00, 0xff] */
+	BPF_LDX_MEM(BPF_B, BPF_REG_1, BPF_REG_0, 0),
+	/* r1 = [-0x01, 0xfe] */
+	BPF_ALU64_IMM(BPF_SUB, BPF_REG_1, 1),
+	/* r1 = 0 or 0xff'ffff'ffff'ffff */
+	BPF_ALU64_IMM(BPF_RSH, BPF_REG_1, 8),
+	/* r1 = 0 or 0xffff'ffff'ffff */
+	BPF_ALU64_IMM(BPF_RSH, BPF_REG_1, 8),
+	/* computes unknown pointer, potentially OOB */
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
+	/* potentially OOB access */
+	BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_0, 0),
+	/* exit */
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_8b = { 3 },
+	.errstr = "R0 unbounded memory access",
+	.result = REJECT
+},
+{
+	"bounds check after 32-bit right shift with 64-bit input",
+	.insns = {
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 6),
+	/* r1 = 2 */
+	BPF_MOV64_IMM(BPF_REG_1, 2),
+	/* r1 = 1<<32 */
+	BPF_ALU64_IMM(BPF_LSH, BPF_REG_1, 31),
+	/* r1 = 0 (NOT 2!) */
+	BPF_ALU32_IMM(BPF_RSH, BPF_REG_1, 31),
+	/* r1 = 0xffff'fffe (NOT 0!) */
+	BPF_ALU32_IMM(BPF_SUB, BPF_REG_1, 2),
+	/* error on computing OOB pointer */
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
+	/* exit */
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_8b = { 3 },
+	.errstr = "math between map_value pointer and 4294967294 is not allowed",
+	.result = REJECT,
+},
+{
+	"bounds check map access with off+size signed 32bit overflow. test1",
+	.insns = {
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
+	BPF_EXIT_INSN(),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 0x7ffffffe),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_0, 0),
+	BPF_JMP_A(0),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_8b = { 3 },
+	.errstr = "map_value pointer and 2147483646",
+	.result = REJECT
+},
+{
+	"bounds check map access with off+size signed 32bit overflow. test2",
+	.insns = {
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
+	BPF_EXIT_INSN(),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 0x1fffffff),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 0x1fffffff),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 0x1fffffff),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_0, 0),
+	BPF_JMP_A(0),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_8b = { 3 },
+	.errstr = "pointer offset 1073741822",
+	.errstr_unpriv = "R0 pointer arithmetic of map value goes out of range",
+	.result = REJECT
+},
+{
+	"bounds check map access with off+size signed 32bit overflow. test3",
+	.insns = {
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
+	BPF_EXIT_INSN(),
+	BPF_ALU64_IMM(BPF_SUB, BPF_REG_0, 0x1fffffff),
+	BPF_ALU64_IMM(BPF_SUB, BPF_REG_0, 0x1fffffff),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_0, 2),
+	BPF_JMP_A(0),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_8b = { 3 },
+	.errstr = "pointer offset -1073741822",
+	.errstr_unpriv = "R0 pointer arithmetic of map value goes out of range",
+	.result = REJECT
+},
+{
+	"bounds check map access with off+size signed 32bit overflow. test4",
+	.insns = {
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
+	BPF_EXIT_INSN(),
+	BPF_MOV64_IMM(BPF_REG_1, 1000000),
+	BPF_ALU64_IMM(BPF_MUL, BPF_REG_1, 1000000),
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_0, 2),
+	BPF_JMP_A(0),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_8b = { 3 },
+	.errstr = "map_value pointer and 1000000000000",
+	.result = REJECT
+},
+{
+	"bounds check mixed 32bit and 64bit arithmetic. test1",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_MOV64_IMM(BPF_REG_1, -1),
+	BPF_ALU64_IMM(BPF_LSH, BPF_REG_1, 32),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 1),
+	/* r1 = 0xffffFFFF00000001 */
+	BPF_JMP32_IMM(BPF_JGT, BPF_REG_1, 1, 3),
+	/* check ALU64 op keeps 32bit bounds */
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 1),
+	BPF_JMP32_IMM(BPF_JGT, BPF_REG_1, 2, 1),
+	BPF_JMP_A(1),
+	/* invalid ldx if bounds are lost above */
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_0, -1),
+	BPF_EXIT_INSN(),
+	},
+	.errstr_unpriv = "R0 invalid mem access 'scalar'",
+	.result_unpriv = REJECT,
+	.result = ACCEPT
+},
+{
+	"bounds check mixed 32bit and 64bit arithmetic. test2",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_MOV64_IMM(BPF_REG_1, -1),
+	BPF_ALU64_IMM(BPF_LSH, BPF_REG_1, 32),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 1),
+	/* r1 = 0xffffFFFF00000001 */
+	BPF_MOV64_IMM(BPF_REG_2, 3),
+	/* r1 = 0x2 */
+	BPF_ALU32_IMM(BPF_ADD, BPF_REG_1, 1),
+	/* check ALU32 op zero extends 64bit bounds */
+	BPF_JMP_REG(BPF_JGT, BPF_REG_1, BPF_REG_2, 1),
+	BPF_JMP_A(1),
+	/* invalid ldx if bounds are lost above */
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_0, -1),
+	BPF_EXIT_INSN(),
+	},
+	.errstr_unpriv = "R0 invalid mem access 'scalar'",
+	.result_unpriv = REJECT,
+	.result = ACCEPT
+},
+{
+	"assigning 32bit bounds to 64bit for wA = 0, wB = wA",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_8, BPF_REG_1,
+		    offsetof(struct __sk_buff, data_end)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_7, BPF_REG_1,
+		    offsetof(struct __sk_buff, data)),
+	BPF_MOV32_IMM(BPF_REG_9, 0),
+	BPF_MOV32_REG(BPF_REG_2, BPF_REG_9),
+	BPF_MOV64_REG(BPF_REG_6, BPF_REG_7),
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_6, BPF_REG_2),
+	BPF_MOV64_REG(BPF_REG_3, BPF_REG_6),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_3, 8),
+	BPF_JMP_REG(BPF_JGT, BPF_REG_3, BPF_REG_8, 1),
+	BPF_LDX_MEM(BPF_W, BPF_REG_5, BPF_REG_6, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.result = ACCEPT,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"bounds check for reg = 0, reg xor 1",
+	.insns = {
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
+	BPF_EXIT_INSN(),
+	BPF_MOV64_IMM(BPF_REG_1, 0),
+	BPF_ALU64_IMM(BPF_XOR, BPF_REG_1, 1),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_1, 0, 1),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_0, 8),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.errstr_unpriv = "R0 min value is outside of the allowed memory range",
+	.result_unpriv = REJECT,
+	.fixup_map_hash_8b = { 3 },
+	.result = ACCEPT,
+},
+{
+	"bounds check for reg32 = 0, reg32 xor 1",
+	.insns = {
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
+	BPF_EXIT_INSN(),
+	BPF_MOV32_IMM(BPF_REG_1, 0),
+	BPF_ALU32_IMM(BPF_XOR, BPF_REG_1, 1),
+	BPF_JMP32_IMM(BPF_JNE, BPF_REG_1, 0, 1),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_0, 8),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.errstr_unpriv = "R0 min value is outside of the allowed memory range",
+	.result_unpriv = REJECT,
+	.fixup_map_hash_8b = { 3 },
+	.result = ACCEPT,
+},
+{
+	"bounds check for reg = 2, reg xor 3",
+	.insns = {
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
+	BPF_EXIT_INSN(),
+	BPF_MOV64_IMM(BPF_REG_1, 2),
+	BPF_ALU64_IMM(BPF_XOR, BPF_REG_1, 3),
+	BPF_JMP_IMM(BPF_JGT, BPF_REG_1, 0, 1),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_0, 8),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.errstr_unpriv = "R0 min value is outside of the allowed memory range",
+	.result_unpriv = REJECT,
+	.fixup_map_hash_8b = { 3 },
+	.result = ACCEPT,
+},
+{
+	"bounds check for reg = any, reg xor 3",
+	.insns = {
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
+	BPF_EXIT_INSN(),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_0, 0),
+	BPF_ALU64_IMM(BPF_XOR, BPF_REG_1, 3),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_1, 0, 1),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_0, 8),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_8b = { 3 },
+	.result = REJECT,
+	.errstr = "invalid access to map value",
+	.errstr_unpriv = "invalid access to map value",
+},
+{
+	"bounds check for reg32 = any, reg32 xor 3",
+	.insns = {
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
+	BPF_EXIT_INSN(),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_0, 0),
+	BPF_ALU32_IMM(BPF_XOR, BPF_REG_1, 3),
+	BPF_JMP32_IMM(BPF_JNE, BPF_REG_1, 0, 1),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_0, 8),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_8b = { 3 },
+	.result = REJECT,
+	.errstr = "invalid access to map value",
+	.errstr_unpriv = "invalid access to map value",
+},
+{
+	"bounds check for reg > 0, reg xor 3",
+	.insns = {
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
+	BPF_EXIT_INSN(),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_0, 0),
+	BPF_JMP_IMM(BPF_JLE, BPF_REG_1, 0, 3),
+	BPF_ALU64_IMM(BPF_XOR, BPF_REG_1, 3),
+	BPF_JMP_IMM(BPF_JGE, BPF_REG_1, 0, 1),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_0, 8),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.errstr_unpriv = "R0 min value is outside of the allowed memory range",
+	.result_unpriv = REJECT,
+	.fixup_map_hash_8b = { 3 },
+	.result = ACCEPT,
+},
+{
+	"bounds check for reg32 > 0, reg32 xor 3",
+	.insns = {
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
+	BPF_EXIT_INSN(),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_0, 0),
+	BPF_JMP32_IMM(BPF_JLE, BPF_REG_1, 0, 3),
+	BPF_ALU32_IMM(BPF_XOR, BPF_REG_1, 3),
+	BPF_JMP32_IMM(BPF_JGE, BPF_REG_1, 0, 1),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_0, 8),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.errstr_unpriv = "R0 min value is outside of the allowed memory range",
+	.result_unpriv = REJECT,
+	.fixup_map_hash_8b = { 3 },
+	.result = ACCEPT,
+},
+{
+	"bounds checks after 32-bit truncation. test 1",
+	.insns = {
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 4),
+	BPF_LDX_MEM(BPF_W, BPF_REG_1, BPF_REG_0, 0),
+	/* This used to reduce the max bound to 0x7fffffff */
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 0, 1),
+	BPF_JMP_IMM(BPF_JGT, BPF_REG_1, 0x7fffffff, 1),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_8b = { 3 },
+	.errstr_unpriv = "R0 leaks addr",
+	.result_unpriv = REJECT,
+	.result = ACCEPT,
+},
+{
+	"bounds checks after 32-bit truncation. test 2",
+	.insns = {
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 4),
+	BPF_LDX_MEM(BPF_W, BPF_REG_1, BPF_REG_0, 0),
+	BPF_JMP_IMM(BPF_JSLT, BPF_REG_1, 1, 1),
+	BPF_JMP32_IMM(BPF_JSLT, BPF_REG_1, 0, 1),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_8b = { 3 },
+	.errstr_unpriv = "R0 leaks addr",
+	.result_unpriv = REJECT,
+	.result = ACCEPT,
+},
diff --git a/tools/testing/selftests/bpf/verifier/bounds_deduction.c b/tools/testing/selftests/bpf/verifier/bounds_deduction.c
new file mode 100644
index 000000000..3931c481e
--- /dev/null
+++ b/tools/testing/selftests/bpf/verifier/bounds_deduction.c
@@ -0,0 +1,136 @@
+{
+	"check deducing bounds from const, 1",
+	.insns = {
+		BPF_MOV64_IMM(BPF_REG_0, 1),
+		BPF_JMP_IMM(BPF_JSGE, BPF_REG_0, 1, 0),
+		BPF_ALU64_REG(BPF_SUB, BPF_REG_0, BPF_REG_1),
+		BPF_EXIT_INSN(),
+	},
+	.errstr_unpriv = "R1 has pointer with unsupported alu operation",
+	.errstr = "R0 tried to subtract pointer from scalar",
+	.result = REJECT,
+},
+{
+	"check deducing bounds from const, 2",
+	.insns = {
+		BPF_MOV64_IMM(BPF_REG_0, 1),
+		BPF_JMP_IMM(BPF_JSGE, BPF_REG_0, 1, 1),
+		BPF_EXIT_INSN(),
+		BPF_JMP_IMM(BPF_JSLE, BPF_REG_0, 1, 1),
+		BPF_EXIT_INSN(),
+		BPF_ALU64_REG(BPF_SUB, BPF_REG_1, BPF_REG_0),
+		BPF_EXIT_INSN(),
+	},
+	.errstr_unpriv = "R1 has pointer with unsupported alu operation",
+	.result_unpriv = REJECT,
+	.result = ACCEPT,
+	.retval = 1,
+},
+{
+	"check deducing bounds from const, 3",
+	.insns = {
+		BPF_MOV64_IMM(BPF_REG_0, 0),
+		BPF_JMP_IMM(BPF_JSLE, BPF_REG_0, 0, 0),
+		BPF_ALU64_REG(BPF_SUB, BPF_REG_0, BPF_REG_1),
+		BPF_EXIT_INSN(),
+	},
+	.errstr_unpriv = "R1 has pointer with unsupported alu operation",
+	.errstr = "R0 tried to subtract pointer from scalar",
+	.result = REJECT,
+},
+{
+	"check deducing bounds from const, 4",
+	.insns = {
+		BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
+		BPF_MOV64_IMM(BPF_REG_0, 0),
+		BPF_JMP_IMM(BPF_JSLE, BPF_REG_0, 0, 1),
+		BPF_EXIT_INSN(),
+		BPF_JMP_IMM(BPF_JSGE, BPF_REG_0, 0, 1),
+		BPF_EXIT_INSN(),
+		BPF_ALU64_REG(BPF_SUB, BPF_REG_6, BPF_REG_0),
+		BPF_EXIT_INSN(),
+	},
+	.errstr_unpriv = "R6 has pointer with unsupported alu operation",
+	.result_unpriv = REJECT,
+	.result = ACCEPT,
+},
+{
+	"check deducing bounds from const, 5",
+	.insns = {
+		BPF_MOV64_IMM(BPF_REG_0, 0),
+		BPF_JMP_IMM(BPF_JSGE, BPF_REG_0, 1, 1),
+		BPF_ALU64_REG(BPF_SUB, BPF_REG_0, BPF_REG_1),
+		BPF_EXIT_INSN(),
+	},
+	.errstr_unpriv = "R1 has pointer with unsupported alu operation",
+	.errstr = "R0 tried to subtract pointer from scalar",
+	.result = REJECT,
+},
+{
+	"check deducing bounds from const, 6",
+	.insns = {
+		BPF_MOV64_IMM(BPF_REG_0, 0),
+		BPF_JMP_IMM(BPF_JSGE, BPF_REG_0, 0, 1),
+		BPF_EXIT_INSN(),
+		BPF_ALU64_REG(BPF_SUB, BPF_REG_0, BPF_REG_1),
+		BPF_EXIT_INSN(),
+	},
+	.errstr_unpriv = "R1 has pointer with unsupported alu operation",
+	.errstr = "R0 tried to subtract pointer from scalar",
+	.result = REJECT,
+},
+{
+	"check deducing bounds from const, 7",
+	.insns = {
+		BPF_MOV64_IMM(BPF_REG_0, ~0),
+		BPF_JMP_IMM(BPF_JSGE, BPF_REG_0, 0, 0),
+		BPF_ALU64_REG(BPF_SUB, BPF_REG_1, BPF_REG_0),
+		BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+			    offsetof(struct __sk_buff, mark)),
+		BPF_EXIT_INSN(),
+	},
+	.errstr_unpriv = "R1 has pointer with unsupported alu operation",
+	.errstr = "dereference of modified ctx ptr",
+	.result = REJECT,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"check deducing bounds from const, 8",
+	.insns = {
+		BPF_MOV64_IMM(BPF_REG_0, ~0),
+		BPF_JMP_IMM(BPF_JSGE, BPF_REG_0, 0, 1),
+		BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_0),
+		BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+			    offsetof(struct __sk_buff, mark)),
+		BPF_EXIT_INSN(),
+	},
+	.errstr_unpriv = "R1 has pointer with unsupported alu operation",
+	.errstr = "negative offset ctx ptr R1 off=-1 disallowed",
+	.result = REJECT,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"check deducing bounds from const, 9",
+	.insns = {
+		BPF_MOV64_IMM(BPF_REG_0, 0),
+		BPF_JMP_IMM(BPF_JSGE, BPF_REG_0, 0, 0),
+		BPF_ALU64_REG(BPF_SUB, BPF_REG_0, BPF_REG_1),
+		BPF_EXIT_INSN(),
+	},
+	.errstr_unpriv = "R1 has pointer with unsupported alu operation",
+	.errstr = "R0 tried to subtract pointer from scalar",
+	.result = REJECT,
+},
+{
+	"check deducing bounds from const, 10",
+	.insns = {
+		BPF_MOV64_IMM(BPF_REG_0, 0),
+		BPF_JMP_IMM(BPF_JSLE, BPF_REG_0, 0, 0),
+		/* Marks reg as unknown. */
+		BPF_ALU64_IMM(BPF_NEG, BPF_REG_0, 0),
+		BPF_ALU64_REG(BPF_SUB, BPF_REG_0, BPF_REG_1),
+		BPF_EXIT_INSN(),
+	},
+	.errstr = "math between ctx pointer and register with unbounded min value is not allowed",
+	.result = REJECT,
+},
diff --git a/tools/testing/selftests/bpf/verifier/bounds_mix_sign_unsign.c b/tools/testing/selftests/bpf/verifier/bounds_mix_sign_unsign.c
new file mode 100644
index 000000000..bf82b923c
--- /dev/null
+++ b/tools/testing/selftests/bpf/verifier/bounds_mix_sign_unsign.c
@@ -0,0 +1,411 @@
+{
+	"bounds checks mixing signed and unsigned, positive bounds",
+	.insns = {
+	BPF_EMIT_CALL(BPF_FUNC_ktime_get_ns),
+	BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -16),
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 6),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_10, -16),
+	BPF_MOV64_IMM(BPF_REG_2, 2),
+	BPF_JMP_REG(BPF_JGE, BPF_REG_2, BPF_REG_1, 3),
+	BPF_JMP_IMM(BPF_JSGT, BPF_REG_1, 4, 2),
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
+	BPF_ST_MEM(BPF_B, BPF_REG_0, 0, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_8b = { 5 },
+	.errstr = "unbounded min value",
+	.result = REJECT,
+},
+{
+	"bounds checks mixing signed and unsigned",
+	.insns = {
+	BPF_EMIT_CALL(BPF_FUNC_ktime_get_ns),
+	BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -16),
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 6),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_10, -16),
+	BPF_MOV64_IMM(BPF_REG_2, -1),
+	BPF_JMP_REG(BPF_JGT, BPF_REG_1, BPF_REG_2, 3),
+	BPF_JMP_IMM(BPF_JSGT, BPF_REG_1, 1, 2),
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
+	BPF_ST_MEM(BPF_B, BPF_REG_0, 0, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_8b = { 5 },
+	.errstr = "unbounded min value",
+	.result = REJECT,
+},
+{
+	"bounds checks mixing signed and unsigned, variant 2",
+	.insns = {
+	BPF_EMIT_CALL(BPF_FUNC_ktime_get_ns),
+	BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -16),
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 8),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_10, -16),
+	BPF_MOV64_IMM(BPF_REG_2, -1),
+	BPF_JMP_REG(BPF_JGT, BPF_REG_1, BPF_REG_2, 5),
+	BPF_MOV64_IMM(BPF_REG_8, 0),
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_8, BPF_REG_1),
+	BPF_JMP_IMM(BPF_JSGT, BPF_REG_8, 1, 2),
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_8),
+	BPF_ST_MEM(BPF_B, BPF_REG_8, 0, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_8b = { 5 },
+	.errstr = "unbounded min value",
+	.result = REJECT,
+},
+{
+	"bounds checks mixing signed and unsigned, variant 3",
+	.insns = {
+	BPF_EMIT_CALL(BPF_FUNC_ktime_get_ns),
+	BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -16),
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 7),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_10, -16),
+	BPF_MOV64_IMM(BPF_REG_2, -1),
+	BPF_JMP_REG(BPF_JGT, BPF_REG_1, BPF_REG_2, 4),
+	BPF_MOV64_REG(BPF_REG_8, BPF_REG_1),
+	BPF_JMP_IMM(BPF_JSGT, BPF_REG_8, 1, 2),
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_8),
+	BPF_ST_MEM(BPF_B, BPF_REG_8, 0, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_8b = { 5 },
+	.errstr = "unbounded min value",
+	.result = REJECT,
+},
+{
+	"bounds checks mixing signed and unsigned, variant 4",
+	.insns = {
+	BPF_EMIT_CALL(BPF_FUNC_ktime_get_ns),
+	BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -16),
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 6),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_10, -16),
+	BPF_MOV64_IMM(BPF_REG_2, 1),
+	BPF_ALU64_REG(BPF_AND, BPF_REG_1, BPF_REG_2),
+	BPF_JMP_IMM(BPF_JSGT, BPF_REG_1, 1, 2),
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
+	BPF_ST_MEM(BPF_B, BPF_REG_0, 0, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_8b = { 5 },
+	.result = ACCEPT,
+},
+{
+	"bounds checks mixing signed and unsigned, variant 5",
+	.insns = {
+	BPF_EMIT_CALL(BPF_FUNC_ktime_get_ns),
+	BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -16),
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 8),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_10, -16),
+	BPF_MOV64_IMM(BPF_REG_2, -1),
+	BPF_JMP_REG(BPF_JGT, BPF_REG_1, BPF_REG_2, 5),
+	BPF_JMP_IMM(BPF_JSGT, BPF_REG_1, 1, 4),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 4),
+	BPF_ALU64_REG(BPF_SUB, BPF_REG_0, BPF_REG_1),
+	BPF_ST_MEM(BPF_B, BPF_REG_0, 0, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_8b = { 5 },
+	.errstr = "unbounded min value",
+	.result = REJECT,
+},
+{
+	"bounds checks mixing signed and unsigned, variant 6",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_9, BPF_REG_1),
+	BPF_EMIT_CALL(BPF_FUNC_ktime_get_ns),
+	BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -16),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_9),
+	BPF_MOV64_IMM(BPF_REG_2, 0),
+	BPF_MOV64_REG(BPF_REG_3, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_3, -512),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_4, BPF_REG_10, -16),
+	BPF_MOV64_IMM(BPF_REG_6, -1),
+	BPF_JMP_REG(BPF_JGT, BPF_REG_4, BPF_REG_6, 5),
+	BPF_JMP_IMM(BPF_JSGT, BPF_REG_4, 1, 4),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_4, 1),
+	BPF_MOV64_IMM(BPF_REG_5, 0),
+	BPF_ST_MEM(BPF_H, BPF_REG_10, -512, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_skb_load_bytes),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "R4 min value is negative, either use unsigned",
+	.result = REJECT,
+},
+{
+	"bounds checks mixing signed and unsigned, variant 7",
+	.insns = {
+	BPF_EMIT_CALL(BPF_FUNC_ktime_get_ns),
+	BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -16),
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 6),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_10, -16),
+	BPF_MOV64_IMM(BPF_REG_2, 1024 * 1024 * 1024),
+	BPF_JMP_REG(BPF_JGT, BPF_REG_1, BPF_REG_2, 3),
+	BPF_JMP_IMM(BPF_JSGT, BPF_REG_1, 1, 2),
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
+	BPF_ST_MEM(BPF_B, BPF_REG_0, 0, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_8b = { 5 },
+	.result = ACCEPT,
+},
+{
+	"bounds checks mixing signed and unsigned, variant 8",
+	.insns = {
+	BPF_EMIT_CALL(BPF_FUNC_ktime_get_ns),
+	BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -16),
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 8),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_10, -16),
+	BPF_MOV64_IMM(BPF_REG_2, -1),
+	BPF_JMP_REG(BPF_JGT, BPF_REG_2, BPF_REG_1, 2),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	BPF_JMP_IMM(BPF_JSGT, BPF_REG_1, 1, 2),
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
+	BPF_ST_MEM(BPF_B, BPF_REG_0, 0, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_8b = { 5 },
+	.errstr = "unbounded min value",
+	.result = REJECT,
+},
+{
+	"bounds checks mixing signed and unsigned, variant 9",
+	.insns = {
+	BPF_EMIT_CALL(BPF_FUNC_ktime_get_ns),
+	BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -16),
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 9),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_10, -16),
+	BPF_LD_IMM64(BPF_REG_2, -9223372036854775808ULL),
+	BPF_JMP_REG(BPF_JGT, BPF_REG_2, BPF_REG_1, 2),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	BPF_JMP_IMM(BPF_JSGT, BPF_REG_1, 1, 2),
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
+	BPF_ST_MEM(BPF_B, BPF_REG_0, 0, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_8b = { 5 },
+	.result = ACCEPT,
+},
+{
+	"bounds checks mixing signed and unsigned, variant 10",
+	.insns = {
+	BPF_EMIT_CALL(BPF_FUNC_ktime_get_ns),
+	BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -16),
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 8),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_10, -16),
+	BPF_MOV64_IMM(BPF_REG_2, 0),
+	BPF_JMP_REG(BPF_JGT, BPF_REG_2, BPF_REG_1, 2),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	BPF_JMP_IMM(BPF_JSGT, BPF_REG_1, 1, 2),
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
+	BPF_ST_MEM(BPF_B, BPF_REG_0, 0, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_8b = { 5 },
+	.errstr = "unbounded min value",
+	.result = REJECT,
+},
+{
+	"bounds checks mixing signed and unsigned, variant 11",
+	.insns = {
+	BPF_EMIT_CALL(BPF_FUNC_ktime_get_ns),
+	BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -16),
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 8),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_10, -16),
+	BPF_MOV64_IMM(BPF_REG_2, -1),
+	BPF_JMP_REG(BPF_JGE, BPF_REG_2, BPF_REG_1, 2),
+	/* Dead branch. */
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	BPF_JMP_IMM(BPF_JSGT, BPF_REG_1, 1, 2),
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
+	BPF_ST_MEM(BPF_B, BPF_REG_0, 0, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_8b = { 5 },
+	.errstr = "unbounded min value",
+	.result = REJECT,
+},
+{
+	"bounds checks mixing signed and unsigned, variant 12",
+	.insns = {
+	BPF_EMIT_CALL(BPF_FUNC_ktime_get_ns),
+	BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -16),
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 8),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_10, -16),
+	BPF_MOV64_IMM(BPF_REG_2, -6),
+	BPF_JMP_REG(BPF_JGE, BPF_REG_2, BPF_REG_1, 2),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	BPF_JMP_IMM(BPF_JSGT, BPF_REG_1, 1, 2),
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
+	BPF_ST_MEM(BPF_B, BPF_REG_0, 0, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_8b = { 5 },
+	.errstr = "unbounded min value",
+	.result = REJECT,
+},
+{
+	"bounds checks mixing signed and unsigned, variant 13",
+	.insns = {
+	BPF_EMIT_CALL(BPF_FUNC_ktime_get_ns),
+	BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -16),
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 5),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_10, -16),
+	BPF_MOV64_IMM(BPF_REG_2, 2),
+	BPF_JMP_REG(BPF_JGE, BPF_REG_2, BPF_REG_1, 2),
+	BPF_MOV64_IMM(BPF_REG_7, 1),
+	BPF_JMP_IMM(BPF_JSGT, BPF_REG_7, 0, 2),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_7, BPF_REG_1),
+	BPF_JMP_IMM(BPF_JSGT, BPF_REG_7, 4, 2),
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_7),
+	BPF_ST_MEM(BPF_B, BPF_REG_0, 0, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_8b = { 5 },
+	.errstr = "unbounded min value",
+	.result = REJECT,
+},
+{
+	"bounds checks mixing signed and unsigned, variant 14",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_9, BPF_REG_1,
+		    offsetof(struct __sk_buff, mark)),
+	BPF_EMIT_CALL(BPF_FUNC_ktime_get_ns),
+	BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -16),
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 7),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_10, -16),
+	BPF_MOV64_IMM(BPF_REG_2, -1),
+	BPF_MOV64_IMM(BPF_REG_8, 2),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_9, 42, 6),
+	BPF_JMP_REG(BPF_JSGT, BPF_REG_8, BPF_REG_1, 3),
+	BPF_JMP_IMM(BPF_JSGT, BPF_REG_1, 1, 2),
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
+	BPF_ST_MEM(BPF_B, BPF_REG_0, 0, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	BPF_JMP_REG(BPF_JGT, BPF_REG_1, BPF_REG_2, -3),
+	BPF_JMP_IMM(BPF_JA, 0, 0, -7),
+	},
+	.fixup_map_hash_8b = { 6 },
+	.errstr = "unbounded min value",
+	.result = REJECT,
+},
+{
+	"bounds checks mixing signed and unsigned, variant 15",
+	.insns = {
+	BPF_EMIT_CALL(BPF_FUNC_ktime_get_ns),
+	BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -16),
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 3),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_10, -16),
+	BPF_MOV64_IMM(BPF_REG_2, -6),
+	BPF_JMP_REG(BPF_JGE, BPF_REG_2, BPF_REG_1, 2),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
+	BPF_JMP_IMM(BPF_JGT, BPF_REG_0, 1, 2),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	BPF_ST_MEM(BPF_B, BPF_REG_0, 0, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_8b = { 5 },
+	.errstr = "unbounded min value",
+	.result = REJECT,
+},
diff --git a/tools/testing/selftests/bpf/verifier/bpf_get_stack.c b/tools/testing/selftests/bpf/verifier/bpf_get_stack.c
new file mode 100644
index 000000000..3e024c891
--- /dev/null
+++ b/tools/testing/selftests/bpf/verifier/bpf_get_stack.c
@@ -0,0 +1,87 @@
+{
+	"bpf_get_stack return R0 within range",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 28),
+	BPF_MOV64_REG(BPF_REG_7, BPF_REG_0),
+	BPF_MOV64_IMM(BPF_REG_9, sizeof(struct test_val)/2),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_7),
+	BPF_MOV64_IMM(BPF_REG_3, sizeof(struct test_val)/2),
+	BPF_MOV64_IMM(BPF_REG_4, 256),
+	BPF_EMIT_CALL(BPF_FUNC_get_stack),
+	BPF_MOV64_IMM(BPF_REG_1, 0),
+	BPF_MOV64_REG(BPF_REG_8, BPF_REG_0),
+	BPF_ALU64_IMM(BPF_LSH, BPF_REG_8, 32),
+	BPF_ALU64_IMM(BPF_ARSH, BPF_REG_8, 32),
+	BPF_JMP_REG(BPF_JSGT, BPF_REG_1, BPF_REG_8, 16),
+	BPF_ALU64_REG(BPF_SUB, BPF_REG_9, BPF_REG_8),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_7),
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_2, BPF_REG_8),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_9),
+	BPF_ALU64_IMM(BPF_LSH, BPF_REG_1, 32),
+	BPF_ALU64_IMM(BPF_ARSH, BPF_REG_1, 32),
+	BPF_MOV64_REG(BPF_REG_3, BPF_REG_2),
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_3, BPF_REG_1),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_7),
+	BPF_MOV64_IMM(BPF_REG_5, sizeof(struct test_val)/2),
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_5),
+	BPF_JMP_REG(BPF_JGE, BPF_REG_3, BPF_REG_1, 4),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
+	BPF_MOV64_REG(BPF_REG_3, BPF_REG_9),
+	BPF_MOV64_IMM(BPF_REG_4, 0),
+	BPF_EMIT_CALL(BPF_FUNC_get_stack),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_48b = { 4 },
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_TRACEPOINT,
+},
+{
+	"bpf_get_task_stack return R0 range is refined",
+	.insns = {
+	BPF_LDX_MEM(BPF_DW, BPF_REG_6, BPF_REG_1, 0),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_6, BPF_REG_6, 0), // ctx->meta->seq
+	BPF_LDX_MEM(BPF_DW, BPF_REG_7, BPF_REG_1, 8), // ctx->task
+	BPF_LD_MAP_FD(BPF_REG_1, 0), // fixup_map_array_48b
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 2),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_7, 0, 2),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_7),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_0),
+	BPF_MOV64_REG(BPF_REG_9, BPF_REG_0), // keep buf for seq_write
+	BPF_MOV64_IMM(BPF_REG_3, 48),
+	BPF_MOV64_IMM(BPF_REG_4, 0),
+	BPF_EMIT_CALL(BPF_FUNC_get_task_stack),
+	BPF_JMP_IMM(BPF_JSGT, BPF_REG_0, 0, 2),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_9),
+	BPF_MOV64_REG(BPF_REG_3, BPF_REG_0),
+	BPF_EMIT_CALL(BPF_FUNC_seq_write),
+
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_TRACING,
+	.expected_attach_type = BPF_TRACE_ITER,
+	.kfunc = "task",
+	.runs = -1, // Don't run, just load
+	.fixup_map_array_48b = { 3 },
+},
diff --git a/tools/testing/selftests/bpf/verifier/bpf_loop_inline.c b/tools/testing/selftests/bpf/verifier/bpf_loop_inline.c
new file mode 100644
index 000000000..a535d41dc
--- /dev/null
+++ b/tools/testing/selftests/bpf/verifier/bpf_loop_inline.c
@@ -0,0 +1,264 @@
+#define BTF_TYPES \
+	.btf_strings = "\0int\0i\0ctx\0callback\0main\0", \
+	.btf_types = { \
+	/* 1: int   */ BTF_TYPE_INT_ENC(1, BTF_INT_SIGNED, 0, 32, 4), \
+	/* 2: int*  */ BTF_PTR_ENC(1), \
+	/* 3: void* */ BTF_PTR_ENC(0), \
+	/* 4: int __(void*) */ BTF_FUNC_PROTO_ENC(1, 1), \
+		BTF_FUNC_PROTO_ARG_ENC(7, 3), \
+	/* 5: int __(int, int*) */ BTF_FUNC_PROTO_ENC(1, 2), \
+		BTF_FUNC_PROTO_ARG_ENC(5, 1), \
+		BTF_FUNC_PROTO_ARG_ENC(7, 2), \
+	/* 6: main      */ BTF_FUNC_ENC(20, 4), \
+	/* 7: callback  */ BTF_FUNC_ENC(11, 5), \
+	BTF_END_RAW \
+	}
+
+#define MAIN_TYPE	6
+#define CALLBACK_TYPE	7
+
+/* can't use BPF_CALL_REL, jit_subprogs adjusts IMM & OFF
+ * fields for pseudo calls
+ */
+#define PSEUDO_CALL_INSN() \
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, BPF_PSEUDO_CALL, \
+		     INSN_OFF_MASK, INSN_IMM_MASK)
+
+/* can't use BPF_FUNC_loop constant,
+ * do_mix_fixups adjusts the IMM field
+ */
+#define HELPER_CALL_INSN() \
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, INSN_OFF_MASK, INSN_IMM_MASK)
+
+{
+	"inline simple bpf_loop call",
+	.insns = {
+	/* main */
+	/* force verifier state branching to verify logic on first and
+	 * subsequent bpf_loop insn processing steps
+	 */
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_jiffies64),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 777, 2),
+	BPF_ALU64_IMM(BPF_MOV, BPF_REG_1, 1),
+	BPF_JMP_IMM(BPF_JA, 0, 0, 1),
+	BPF_ALU64_IMM(BPF_MOV, BPF_REG_1, 2),
+
+	BPF_RAW_INSN(BPF_LD | BPF_IMM | BPF_DW, BPF_REG_2, BPF_PSEUDO_FUNC, 0, 6),
+	BPF_RAW_INSN(0, 0, 0, 0, 0),
+	BPF_ALU64_IMM(BPF_MOV, BPF_REG_3, 0),
+	BPF_ALU64_IMM(BPF_MOV, BPF_REG_4, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_loop),
+	BPF_ALU64_IMM(BPF_MOV, BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	/* callback */
+	BPF_ALU64_IMM(BPF_MOV, BPF_REG_0, 1),
+	BPF_EXIT_INSN(),
+	},
+	.expected_insns = { PSEUDO_CALL_INSN() },
+	.unexpected_insns = { HELPER_CALL_INSN() },
+	.prog_type = BPF_PROG_TYPE_TRACEPOINT,
+	.result = ACCEPT,
+	.runs = 0,
+	.func_info = { { 0, MAIN_TYPE }, { 12, CALLBACK_TYPE } },
+	.func_info_cnt = 2,
+	BTF_TYPES
+},
+{
+	"don't inline bpf_loop call, flags non-zero",
+	.insns = {
+	/* main */
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_jiffies64),
+	BPF_ALU64_REG(BPF_MOV, BPF_REG_6, BPF_REG_0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_jiffies64),
+	BPF_ALU64_REG(BPF_MOV, BPF_REG_7, BPF_REG_0),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_6, 0, 9),
+	BPF_ALU64_IMM(BPF_MOV, BPF_REG_4, 0),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_7, 0, 0),
+	BPF_ALU64_IMM(BPF_MOV, BPF_REG_1, 1),
+	BPF_RAW_INSN(BPF_LD | BPF_IMM | BPF_DW, BPF_REG_2, BPF_PSEUDO_FUNC, 0, 7),
+	BPF_RAW_INSN(0, 0, 0, 0, 0),
+	BPF_ALU64_IMM(BPF_MOV, BPF_REG_3, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_loop),
+	BPF_ALU64_IMM(BPF_MOV, BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	BPF_ALU64_IMM(BPF_MOV, BPF_REG_4, 1),
+	BPF_JMP_IMM(BPF_JA, 0, 0, -10),
+	/* callback */
+	BPF_ALU64_IMM(BPF_MOV, BPF_REG_0, 1),
+	BPF_EXIT_INSN(),
+	},
+	.expected_insns = { HELPER_CALL_INSN() },
+	.unexpected_insns = { PSEUDO_CALL_INSN() },
+	.prog_type = BPF_PROG_TYPE_TRACEPOINT,
+	.result = ACCEPT,
+	.runs = 0,
+	.func_info = { { 0, MAIN_TYPE }, { 16, CALLBACK_TYPE } },
+	.func_info_cnt = 2,
+	BTF_TYPES
+},
+{
+	"don't inline bpf_loop call, callback non-constant",
+	.insns = {
+	/* main */
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_jiffies64),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 777, 4), /* pick a random callback */
+
+	BPF_ALU64_IMM(BPF_MOV, BPF_REG_1, 1),
+	BPF_RAW_INSN(BPF_LD | BPF_IMM | BPF_DW, BPF_REG_2, BPF_PSEUDO_FUNC, 0, 10),
+	BPF_RAW_INSN(0, 0, 0, 0, 0),
+	BPF_JMP_IMM(BPF_JA, 0, 0, 3),
+
+	BPF_ALU64_IMM(BPF_MOV, BPF_REG_1, 1),
+	BPF_RAW_INSN(BPF_LD | BPF_IMM | BPF_DW, BPF_REG_2, BPF_PSEUDO_FUNC, 0, 8),
+	BPF_RAW_INSN(0, 0, 0, 0, 0),
+
+	BPF_ALU64_IMM(BPF_MOV, BPF_REG_3, 0),
+	BPF_ALU64_IMM(BPF_MOV, BPF_REG_4, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_loop),
+	BPF_ALU64_IMM(BPF_MOV, BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	/* callback */
+	BPF_ALU64_IMM(BPF_MOV, BPF_REG_0, 1),
+	BPF_EXIT_INSN(),
+	/* callback #2 */
+	BPF_ALU64_IMM(BPF_MOV, BPF_REG_0, 1),
+	BPF_EXIT_INSN(),
+	},
+	.expected_insns = { HELPER_CALL_INSN() },
+	.unexpected_insns = { PSEUDO_CALL_INSN() },
+	.prog_type = BPF_PROG_TYPE_TRACEPOINT,
+	.result = ACCEPT,
+	.runs = 0,
+	.func_info = {
+		{ 0, MAIN_TYPE },
+		{ 14, CALLBACK_TYPE },
+		{ 16, CALLBACK_TYPE }
+	},
+	.func_info_cnt = 3,
+	BTF_TYPES
+},
+{
+	"bpf_loop_inline and a dead func",
+	.insns = {
+	/* main */
+
+	/* A reference to callback #1 to make verifier count it as a func.
+	 * This reference is overwritten below and callback #1 is dead.
+	 */
+	BPF_RAW_INSN(BPF_LD | BPF_IMM | BPF_DW, BPF_REG_2, BPF_PSEUDO_FUNC, 0, 9),
+	BPF_RAW_INSN(0, 0, 0, 0, 0),
+	BPF_ALU64_IMM(BPF_MOV, BPF_REG_1, 1),
+	BPF_RAW_INSN(BPF_LD | BPF_IMM | BPF_DW, BPF_REG_2, BPF_PSEUDO_FUNC, 0, 8),
+	BPF_RAW_INSN(0, 0, 0, 0, 0),
+	BPF_ALU64_IMM(BPF_MOV, BPF_REG_3, 0),
+	BPF_ALU64_IMM(BPF_MOV, BPF_REG_4, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_loop),
+	BPF_ALU64_IMM(BPF_MOV, BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	/* callback */
+	BPF_ALU64_IMM(BPF_MOV, BPF_REG_0, 1),
+	BPF_EXIT_INSN(),
+	/* callback #2 */
+	BPF_ALU64_IMM(BPF_MOV, BPF_REG_0, 1),
+	BPF_EXIT_INSN(),
+	},
+	.expected_insns = { PSEUDO_CALL_INSN() },
+	.unexpected_insns = { HELPER_CALL_INSN() },
+	.prog_type = BPF_PROG_TYPE_TRACEPOINT,
+	.result = ACCEPT,
+	.runs = 0,
+	.func_info = {
+		{ 0, MAIN_TYPE },
+		{ 10, CALLBACK_TYPE },
+		{ 12, CALLBACK_TYPE }
+	},
+	.func_info_cnt = 3,
+	BTF_TYPES
+},
+{
+	"bpf_loop_inline stack locations for loop vars",
+	.insns = {
+	/* main */
+	BPF_ST_MEM(BPF_W, BPF_REG_10, -12, 0x77),
+	/* bpf_loop call #1 */
+	BPF_ALU64_IMM(BPF_MOV, BPF_REG_1, 1),
+	BPF_RAW_INSN(BPF_LD | BPF_IMM | BPF_DW, BPF_REG_2, BPF_PSEUDO_FUNC, 0, 22),
+	BPF_RAW_INSN(0, 0, 0, 0, 0),
+	BPF_ALU64_IMM(BPF_MOV, BPF_REG_3, 0),
+	BPF_ALU64_IMM(BPF_MOV, BPF_REG_4, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_loop),
+	/* bpf_loop call #2 */
+	BPF_ALU64_IMM(BPF_MOV, BPF_REG_1, 2),
+	BPF_RAW_INSN(BPF_LD | BPF_IMM | BPF_DW, BPF_REG_2, BPF_PSEUDO_FUNC, 0, 16),
+	BPF_RAW_INSN(0, 0, 0, 0, 0),
+	BPF_ALU64_IMM(BPF_MOV, BPF_REG_3, 0),
+	BPF_ALU64_IMM(BPF_MOV, BPF_REG_4, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_loop),
+	/* call func and exit */
+	BPF_CALL_REL(2),
+	BPF_ALU64_IMM(BPF_MOV, BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	/* func */
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -32, 0x55),
+	BPF_ALU64_IMM(BPF_MOV, BPF_REG_1, 2),
+	BPF_RAW_INSN(BPF_LD | BPF_IMM | BPF_DW, BPF_REG_2, BPF_PSEUDO_FUNC, 0, 6),
+	BPF_RAW_INSN(0, 0, 0, 0, 0),
+	BPF_ALU64_IMM(BPF_MOV, BPF_REG_3, 0),
+	BPF_ALU64_IMM(BPF_MOV, BPF_REG_4, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_loop),
+	BPF_ALU64_IMM(BPF_MOV, BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	/* callback */
+	BPF_ALU64_IMM(BPF_MOV, BPF_REG_0, 1),
+	BPF_EXIT_INSN(),
+	},
+	.expected_insns = {
+	BPF_ST_MEM(BPF_W, BPF_REG_10, -12, 0x77),
+	SKIP_INSNS(),
+	BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_6, -40),
+	BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_7, -32),
+	BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_8, -24),
+	SKIP_INSNS(),
+	/* offsets are the same as in the first call */
+	BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_6, -40),
+	BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_7, -32),
+	BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_8, -24),
+	SKIP_INSNS(),
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -32, 0x55),
+	SKIP_INSNS(),
+	/* offsets differ from main because of different offset
+	 * in BPF_ST_MEM instruction
+	 */
+	BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_6, -56),
+	BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_7, -48),
+	BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_8, -40),
+	},
+	.unexpected_insns = { HELPER_CALL_INSN() },
+	.prog_type = BPF_PROG_TYPE_TRACEPOINT,
+	.result = ACCEPT,
+	.func_info = {
+		{ 0, MAIN_TYPE },
+		{ 16, MAIN_TYPE },
+		{ 25, CALLBACK_TYPE },
+	},
+	.func_info_cnt = 3,
+	BTF_TYPES
+},
+{
+	"inline bpf_loop call in a big program",
+	.insns = {},
+	.fill_helper = bpf_fill_big_prog_with_loop_1,
+	.expected_insns = { PSEUDO_CALL_INSN() },
+	.unexpected_insns = { HELPER_CALL_INSN() },
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_TRACEPOINT,
+	.func_info = { { 0, MAIN_TYPE }, { 16, CALLBACK_TYPE } },
+	.func_info_cnt = 2,
+	BTF_TYPES
+},
+
+#undef HELPER_CALL_INSN
+#undef PSEUDO_CALL_INSN
+#undef CALLBACK_TYPE
+#undef MAIN_TYPE
+#undef BTF_TYPES
diff --git a/tools/testing/selftests/bpf/verifier/btf_ctx_access.c b/tools/testing/selftests/bpf/verifier/btf_ctx_access.c
new file mode 100644
index 000000000..6340db6b4
--- /dev/null
+++ b/tools/testing/selftests/bpf/verifier/btf_ctx_access.c
@@ -0,0 +1,12 @@
+{
+	"btf_ctx_access accept",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, 8),	/* load 2nd argument value (int pointer) */
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_TRACING,
+	.expected_attach_type = BPF_TRACE_FENTRY,
+	.kfunc = "bpf_modify_return_test",
+},
diff --git a/tools/testing/selftests/bpf/verifier/calls.c b/tools/testing/selftests/bpf/verifier/calls.c
new file mode 100644
index 000000000..e1a937277
--- /dev/null
+++ b/tools/testing/selftests/bpf/verifier/calls.c
@@ -0,0 +1,2307 @@
+{
+	"calls: invalid kfunc call not eliminated",
+	.insns = {
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, BPF_PSEUDO_KFUNC_CALL, 0, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 1),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_TRACEPOINT,
+	.result  = REJECT,
+	.errstr = "invalid kernel function call not eliminated in verifier pass",
+},
+{
+	"calls: invalid kfunc call unreachable",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_0, 1),
+	BPF_JMP_IMM(BPF_JGT, BPF_REG_0, 0, 2),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, BPF_PSEUDO_KFUNC_CALL, 0, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 1),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_TRACEPOINT,
+	.result  = ACCEPT,
+},
+{
+	"calls: invalid kfunc call: ptr_to_mem to struct with non-scalar",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -8),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, BPF_PSEUDO_KFUNC_CALL, 0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.result = REJECT,
+	.errstr = "arg#0 pointer type STRUCT prog_test_fail1 must point to scalar",
+	.fixup_kfunc_btf_id = {
+		{ "bpf_kfunc_call_test_fail1", 2 },
+	},
+},
+{
+	"calls: invalid kfunc call: ptr_to_mem to struct with nesting depth > 4",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -8),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, BPF_PSEUDO_KFUNC_CALL, 0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.result = REJECT,
+	.errstr = "max struct nesting depth exceeded\narg#0 pointer type STRUCT prog_test_fail2",
+	.fixup_kfunc_btf_id = {
+		{ "bpf_kfunc_call_test_fail2", 2 },
+	},
+},
+{
+	"calls: invalid kfunc call: ptr_to_mem to struct with FAM",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -8),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, BPF_PSEUDO_KFUNC_CALL, 0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.result = REJECT,
+	.errstr = "arg#0 pointer type STRUCT prog_test_fail3 must point to scalar",
+	.fixup_kfunc_btf_id = {
+		{ "bpf_kfunc_call_test_fail3", 2 },
+	},
+},
+{
+	"calls: invalid kfunc call: reg->type != PTR_TO_CTX",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -8),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, BPF_PSEUDO_KFUNC_CALL, 0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.result = REJECT,
+	.errstr = "arg#0 expected pointer to ctx, but got PTR",
+	.fixup_kfunc_btf_id = {
+		{ "bpf_kfunc_call_test_pass_ctx", 2 },
+	},
+},
+{
+	"calls: invalid kfunc call: void * not allowed in func proto without mem size arg",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -8),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, BPF_PSEUDO_KFUNC_CALL, 0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.result = REJECT,
+	.errstr = "arg#0 pointer type UNKNOWN  must point to scalar",
+	.fixup_kfunc_btf_id = {
+		{ "bpf_kfunc_call_test_mem_len_fail1", 2 },
+	},
+},
+{
+	"calls: trigger reg2btf_ids[reg->type] for reg->type > __BPF_REG_TYPE_MAX",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -8),
+	BPF_ST_MEM(BPF_DW, BPF_REG_1, 0, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, BPF_PSEUDO_KFUNC_CALL, 0, 0),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, BPF_PSEUDO_KFUNC_CALL, 0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.result = REJECT,
+	.errstr = "arg#0 pointer type STRUCT prog_test_ref_kfunc must point",
+	.fixup_kfunc_btf_id = {
+		{ "bpf_kfunc_call_test_acquire", 3 },
+		{ "bpf_kfunc_call_test_release", 5 },
+	},
+},
+{
+	"calls: invalid kfunc call: reg->off must be zero when passed to release kfunc",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -8),
+	BPF_ST_MEM(BPF_DW, BPF_REG_1, 0, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, BPF_PSEUDO_KFUNC_CALL, 0, 0),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
+	BPF_EXIT_INSN(),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, BPF_PSEUDO_KFUNC_CALL, 0, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.result = REJECT,
+	.errstr = "R1 must have zero offset when passed to release func",
+	.fixup_kfunc_btf_id = {
+		{ "bpf_kfunc_call_test_acquire", 3 },
+		{ "bpf_kfunc_call_memb_release", 8 },
+	},
+},
+{
+	"calls: invalid kfunc call: don't match first member type when passed to release kfunc",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, BPF_PSEUDO_KFUNC_CALL, 0, 0),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
+	BPF_EXIT_INSN(),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, BPF_PSEUDO_KFUNC_CALL, 0, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.result = REJECT,
+	.errstr = "kernel function bpf_kfunc_call_memb1_release args#0 expected pointer",
+	.fixup_kfunc_btf_id = {
+		{ "bpf_kfunc_call_memb_acquire", 1 },
+		{ "bpf_kfunc_call_memb1_release", 5 },
+	},
+},
+{
+	"calls: invalid kfunc call: PTR_TO_BTF_ID with negative offset",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -8),
+	BPF_ST_MEM(BPF_DW, BPF_REG_1, 0, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, BPF_PSEUDO_KFUNC_CALL, 0, 0),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
+	BPF_EXIT_INSN(),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_1, 16),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -4),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, BPF_PSEUDO_KFUNC_CALL, 0, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.fixup_kfunc_btf_id = {
+		{ "bpf_kfunc_call_test_acquire", 3 },
+		{ "bpf_kfunc_call_test_release", 9 },
+	},
+	.result_unpriv = REJECT,
+	.result = REJECT,
+	.errstr = "negative offset ptr_ ptr R1 off=-4 disallowed",
+},
+{
+	"calls: invalid kfunc call: PTR_TO_BTF_ID with variable offset",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -8),
+	BPF_ST_MEM(BPF_DW, BPF_REG_1, 0, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, BPF_PSEUDO_KFUNC_CALL, 0, 0),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
+	BPF_EXIT_INSN(),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_0, 4),
+	BPF_JMP_IMM(BPF_JLE, BPF_REG_2, 4, 3),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, BPF_PSEUDO_KFUNC_CALL, 0, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	BPF_JMP_IMM(BPF_JGE, BPF_REG_2, 0, 3),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, BPF_PSEUDO_KFUNC_CALL, 0, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_2),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, BPF_PSEUDO_KFUNC_CALL, 0, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.fixup_kfunc_btf_id = {
+		{ "bpf_kfunc_call_test_acquire", 3 },
+		{ "bpf_kfunc_call_test_release", 9 },
+		{ "bpf_kfunc_call_test_release", 13 },
+		{ "bpf_kfunc_call_test_release", 17 },
+	},
+	.result_unpriv = REJECT,
+	.result = REJECT,
+	.errstr = "variable ptr_ access var_off=(0x0; 0x7) disallowed",
+},
+{
+	"calls: invalid kfunc call: referenced arg needs refcounted PTR_TO_BTF_ID",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -8),
+	BPF_ST_MEM(BPF_DW, BPF_REG_1, 0, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, BPF_PSEUDO_KFUNC_CALL, 0, 0),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
+	BPF_EXIT_INSN(),
+	BPF_MOV64_REG(BPF_REG_6, BPF_REG_0),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, BPF_PSEUDO_KFUNC_CALL, 0, 0),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_6, 16),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, BPF_PSEUDO_KFUNC_CALL, 0, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.fixup_kfunc_btf_id = {
+		{ "bpf_kfunc_call_test_acquire", 3 },
+		{ "bpf_kfunc_call_test_ref", 8 },
+		{ "bpf_kfunc_call_test_ref", 10 },
+	},
+	.result_unpriv = REJECT,
+	.result = REJECT,
+	.errstr = "R1 must be referenced",
+},
+{
+	"calls: valid kfunc call: referenced arg needs refcounted PTR_TO_BTF_ID",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -8),
+	BPF_ST_MEM(BPF_DW, BPF_REG_1, 0, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, BPF_PSEUDO_KFUNC_CALL, 0, 0),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
+	BPF_EXIT_INSN(),
+	BPF_MOV64_REG(BPF_REG_6, BPF_REG_0),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, BPF_PSEUDO_KFUNC_CALL, 0, 0),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, BPF_PSEUDO_KFUNC_CALL, 0, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.fixup_kfunc_btf_id = {
+		{ "bpf_kfunc_call_test_acquire", 3 },
+		{ "bpf_kfunc_call_test_ref", 8 },
+		{ "bpf_kfunc_call_test_release", 10 },
+	},
+	.result_unpriv = REJECT,
+	.result = ACCEPT,
+},
+{
+	"calls: basic sanity",
+	.insns = {
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 2),
+	BPF_MOV64_IMM(BPF_REG_0, 1),
+	BPF_EXIT_INSN(),
+	BPF_MOV64_IMM(BPF_REG_0, 2),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_TRACEPOINT,
+	.result = ACCEPT,
+},
+{
+	"calls: not on unprivileged",
+	.insns = {
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 2),
+	BPF_MOV64_IMM(BPF_REG_0, 1),
+	BPF_EXIT_INSN(),
+	BPF_MOV64_IMM(BPF_REG_0, 2),
+	BPF_EXIT_INSN(),
+	},
+	.errstr_unpriv = "loading/calling other bpf or kernel functions are allowed for",
+	.result_unpriv = REJECT,
+	.result = ACCEPT,
+	.retval = 1,
+},
+{
+	"calls: div by 0 in subprog",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 8),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
+	BPF_LDX_MEM(BPF_W, BPF_REG_1, BPF_REG_1,
+		    offsetof(struct __sk_buff, data_end)),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_0),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, 8),
+	BPF_JMP_REG(BPF_JGT, BPF_REG_2, BPF_REG_1, 1),
+	BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_0, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 1),
+	BPF_EXIT_INSN(),
+	BPF_MOV32_IMM(BPF_REG_2, 0),
+	BPF_MOV32_IMM(BPF_REG_3, 1),
+	BPF_ALU32_REG(BPF_DIV, BPF_REG_3, BPF_REG_2),
+	BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+		    offsetof(struct __sk_buff, data)),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.result = ACCEPT,
+	.retval = 1,
+},
+{
+	"calls: multiple ret types in subprog 1",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 8),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
+	BPF_LDX_MEM(BPF_W, BPF_REG_1, BPF_REG_1,
+		    offsetof(struct __sk_buff, data_end)),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_0),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, 8),
+	BPF_JMP_REG(BPF_JGT, BPF_REG_2, BPF_REG_1, 1),
+	BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_0, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 1),
+	BPF_EXIT_INSN(),
+	BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+		    offsetof(struct __sk_buff, data)),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
+	BPF_MOV32_IMM(BPF_REG_0, 42),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.result = REJECT,
+	.errstr = "R0 invalid mem access 'scalar'",
+},
+{
+	"calls: multiple ret types in subprog 2",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 8),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
+	BPF_LDX_MEM(BPF_W, BPF_REG_1, BPF_REG_1,
+		    offsetof(struct __sk_buff, data_end)),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_0),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, 8),
+	BPF_JMP_REG(BPF_JGT, BPF_REG_2, BPF_REG_1, 1),
+	BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_0, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 1),
+	BPF_EXIT_INSN(),
+	BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+		    offsetof(struct __sk_buff, data)),
+	BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 9),
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
+	BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_6,
+		    offsetof(struct __sk_buff, data)),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 64),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.fixup_map_hash_8b = { 16 },
+	.result = REJECT,
+	.errstr = "R0 min value is outside of the allowed memory range",
+},
+{
+	"calls: overlapping caller/callee",
+	.insns = {
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 1),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_TRACEPOINT,
+	.errstr = "last insn is not an exit or jmp",
+	.result = REJECT,
+},
+{
+	"calls: wrong recursive calls",
+	.insns = {
+	BPF_JMP_IMM(BPF_JA, 0, 0, 4),
+	BPF_JMP_IMM(BPF_JA, 0, 0, 4),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, -2),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, -2),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, -2),
+	BPF_MOV64_IMM(BPF_REG_0, 1),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_TRACEPOINT,
+	.errstr = "jump out of range",
+	.result = REJECT,
+},
+{
+	"calls: wrong src reg",
+	.insns = {
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 3, 0, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 1),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_TRACEPOINT,
+	.errstr = "BPF_CALL uses reserved fields",
+	.result = REJECT,
+},
+{
+	"calls: wrong off value",
+	.insns = {
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, -1, 2),
+	BPF_MOV64_IMM(BPF_REG_0, 1),
+	BPF_EXIT_INSN(),
+	BPF_MOV64_IMM(BPF_REG_0, 2),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_TRACEPOINT,
+	.errstr = "BPF_CALL uses reserved fields",
+	.result = REJECT,
+},
+{
+	"calls: jump back loop",
+	.insns = {
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, -1),
+	BPF_MOV64_IMM(BPF_REG_0, 1),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_TRACEPOINT,
+	.errstr = "back-edge from insn 0 to 0",
+	.result = REJECT,
+},
+{
+	"calls: conditional call",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+		    offsetof(struct __sk_buff, mark)),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 3),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 2),
+	BPF_MOV64_IMM(BPF_REG_0, 1),
+	BPF_EXIT_INSN(),
+	BPF_MOV64_IMM(BPF_REG_0, 2),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_TRACEPOINT,
+	.errstr = "jump out of range",
+	.result = REJECT,
+},
+{
+	"calls: conditional call 2",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+		    offsetof(struct __sk_buff, mark)),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 3),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 4),
+	BPF_MOV64_IMM(BPF_REG_0, 1),
+	BPF_EXIT_INSN(),
+	BPF_MOV64_IMM(BPF_REG_0, 2),
+	BPF_EXIT_INSN(),
+	BPF_MOV64_IMM(BPF_REG_0, 3),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_TRACEPOINT,
+	.result = ACCEPT,
+},
+{
+	"calls: conditional call 3",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+		    offsetof(struct __sk_buff, mark)),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 3),
+	BPF_JMP_IMM(BPF_JA, 0, 0, 4),
+	BPF_MOV64_IMM(BPF_REG_0, 1),
+	BPF_EXIT_INSN(),
+	BPF_MOV64_IMM(BPF_REG_0, 1),
+	BPF_JMP_IMM(BPF_JA, 0, 0, -6),
+	BPF_MOV64_IMM(BPF_REG_0, 3),
+	BPF_JMP_IMM(BPF_JA, 0, 0, -6),
+	},
+	.prog_type = BPF_PROG_TYPE_SOCKET_FILTER,
+	.errstr_unpriv = "back-edge from insn",
+	.result_unpriv = REJECT,
+	.result = ACCEPT,
+	.retval = 1,
+},
+{
+	"calls: conditional call 4",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+		    offsetof(struct __sk_buff, mark)),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 3),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 4),
+	BPF_MOV64_IMM(BPF_REG_0, 1),
+	BPF_EXIT_INSN(),
+	BPF_MOV64_IMM(BPF_REG_0, 1),
+	BPF_JMP_IMM(BPF_JA, 0, 0, -5),
+	BPF_MOV64_IMM(BPF_REG_0, 3),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_TRACEPOINT,
+	.result = ACCEPT,
+},
+{
+	"calls: conditional call 5",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+		    offsetof(struct __sk_buff, mark)),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 3),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 4),
+	BPF_MOV64_IMM(BPF_REG_0, 1),
+	BPF_EXIT_INSN(),
+	BPF_MOV64_IMM(BPF_REG_0, 1),
+	BPF_JMP_IMM(BPF_JA, 0, 0, -6),
+	BPF_MOV64_IMM(BPF_REG_0, 3),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.result = ACCEPT,
+	.retval = 1,
+},
+{
+	"calls: conditional call 6",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 2),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, -3),
+	BPF_EXIT_INSN(),
+	BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+		    offsetof(struct __sk_buff, mark)),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.errstr = "infinite loop detected",
+	.result = REJECT,
+},
+{
+	"calls: using r0 returned by callee",
+	.insns = {
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 1),
+	BPF_EXIT_INSN(),
+	BPF_MOV64_IMM(BPF_REG_0, 2),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_TRACEPOINT,
+	.result = ACCEPT,
+},
+{
+	"calls: using uninit r0 from callee",
+	.insns = {
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 1),
+	BPF_EXIT_INSN(),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_TRACEPOINT,
+	.errstr = "!read_ok",
+	.result = REJECT,
+},
+{
+	"calls: callee is using r1",
+	.insns = {
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 1),
+	BPF_EXIT_INSN(),
+	BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+		    offsetof(struct __sk_buff, len)),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_ACT,
+	.result = ACCEPT,
+	.retval = TEST_DATA_LEN,
+},
+{
+	"calls: callee using args1",
+	.insns = {
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 1),
+	BPF_EXIT_INSN(),
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
+	BPF_EXIT_INSN(),
+	},
+	.errstr_unpriv = "allowed for",
+	.result_unpriv = REJECT,
+	.result = ACCEPT,
+	.retval = POINTER_VALUE,
+},
+{
+	"calls: callee using wrong args2",
+	.insns = {
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 1),
+	BPF_EXIT_INSN(),
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_TRACEPOINT,
+	.errstr = "R2 !read_ok",
+	.result = REJECT,
+},
+{
+	"calls: callee using two args",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
+	BPF_LDX_MEM(BPF_W, BPF_REG_1, BPF_REG_6,
+		    offsetof(struct __sk_buff, len)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_6,
+		    offsetof(struct __sk_buff, len)),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 1),
+	BPF_EXIT_INSN(),
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_2),
+	BPF_EXIT_INSN(),
+	},
+	.errstr_unpriv = "allowed for",
+	.result_unpriv = REJECT,
+	.result = ACCEPT,
+	.retval = TEST_DATA_LEN + TEST_DATA_LEN - ETH_HLEN - ETH_HLEN,
+},
+{
+	"calls: callee changing pkt pointers",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_6, BPF_REG_1, offsetof(struct xdp_md, data)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_7, BPF_REG_1,
+		    offsetof(struct xdp_md, data_end)),
+	BPF_MOV64_REG(BPF_REG_8, BPF_REG_6),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_8, 8),
+	BPF_JMP_REG(BPF_JGT, BPF_REG_8, BPF_REG_7, 2),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 3),
+	/* clear_all_pkt_pointers() has to walk all frames
+	 * to make sure that pkt pointers in the caller
+	 * are cleared when callee is calling a helper that
+	 * adjusts packet size
+	 */
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_6, 0),
+	BPF_MOV32_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	BPF_MOV64_IMM(BPF_REG_2, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_xdp_adjust_head),
+	BPF_EXIT_INSN(),
+	},
+	.result = REJECT,
+	.errstr = "R6 invalid mem access 'scalar'",
+	.prog_type = BPF_PROG_TYPE_XDP,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"calls: ptr null check in subprog",
+	.insns = {
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+	BPF_MOV64_REG(BPF_REG_6, BPF_REG_0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 3),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 1),
+	BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_6, 0),
+	BPF_EXIT_INSN(),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 0, 1),
+	BPF_MOV64_IMM(BPF_REG_0, 1),
+	BPF_EXIT_INSN(),
+	},
+	.errstr_unpriv = "loading/calling other bpf or kernel functions are allowed for",
+	.fixup_map_hash_48b = { 3 },
+	.result_unpriv = REJECT,
+	.result = ACCEPT,
+	.retval = 0,
+},
+{
+	"calls: two calls with args",
+	.insns = {
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 1),
+	BPF_EXIT_INSN(),
+	BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 6),
+	BPF_MOV64_REG(BPF_REG_7, BPF_REG_0),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 3),
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_7, BPF_REG_0),
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_7),
+	BPF_EXIT_INSN(),
+	BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+		    offsetof(struct __sk_buff, len)),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.result = ACCEPT,
+	.retval = TEST_DATA_LEN + TEST_DATA_LEN,
+},
+{
+	"calls: calls with stack arith",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -64),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 1),
+	BPF_EXIT_INSN(),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -64),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 1),
+	BPF_EXIT_INSN(),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -64),
+	BPF_MOV64_IMM(BPF_REG_0, 42),
+	BPF_STX_MEM(BPF_DW, BPF_REG_2, BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.result = ACCEPT,
+	.retval = 42,
+},
+{
+	"calls: calls with misaligned stack access",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -63),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 1),
+	BPF_EXIT_INSN(),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -61),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 1),
+	BPF_EXIT_INSN(),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -63),
+	BPF_MOV64_IMM(BPF_REG_0, 42),
+	BPF_STX_MEM(BPF_DW, BPF_REG_2, BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.flags = F_LOAD_WITH_STRICT_ALIGNMENT,
+	.errstr = "misaligned stack access",
+	.result = REJECT,
+},
+{
+	"calls: calls control flow, jump test",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_0, 42),
+	BPF_JMP_IMM(BPF_JA, 0, 0, 2),
+	BPF_MOV64_IMM(BPF_REG_0, 43),
+	BPF_JMP_IMM(BPF_JA, 0, 0, 1),
+	BPF_JMP_IMM(BPF_JA, 0, 0, -3),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.result = ACCEPT,
+	.retval = 43,
+},
+{
+	"calls: calls control flow, jump test 2",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_0, 42),
+	BPF_JMP_IMM(BPF_JA, 0, 0, 2),
+	BPF_MOV64_IMM(BPF_REG_0, 43),
+	BPF_JMP_IMM(BPF_JA, 0, 0, 1),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, -3),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.errstr = "jump out of range from insn 1 to 4",
+	.result = REJECT,
+},
+{
+	"calls: two calls with bad jump",
+	.insns = {
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 1),
+	BPF_EXIT_INSN(),
+	BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 6),
+	BPF_MOV64_REG(BPF_REG_7, BPF_REG_0),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 3),
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_7, BPF_REG_0),
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_7),
+	BPF_EXIT_INSN(),
+	BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+		    offsetof(struct __sk_buff, len)),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, -3),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_TRACEPOINT,
+	.errstr = "jump out of range from insn 11 to 9",
+	.result = REJECT,
+},
+{
+	"calls: recursive call. test1",
+	.insns = {
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 1),
+	BPF_EXIT_INSN(),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, -1),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_TRACEPOINT,
+	.errstr = "back-edge",
+	.result = REJECT,
+},
+{
+	"calls: recursive call. test2",
+	.insns = {
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 1),
+	BPF_EXIT_INSN(),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, -3),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_TRACEPOINT,
+	.errstr = "back-edge",
+	.result = REJECT,
+},
+{
+	"calls: unreachable code",
+	.insns = {
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 1),
+	BPF_EXIT_INSN(),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 1),
+	BPF_EXIT_INSN(),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_TRACEPOINT,
+	.errstr = "unreachable insn 6",
+	.result = REJECT,
+},
+{
+	"calls: invalid call",
+	.insns = {
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 1),
+	BPF_EXIT_INSN(),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, -4),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_TRACEPOINT,
+	.errstr = "invalid destination",
+	.result = REJECT,
+},
+{
+	"calls: invalid call 2",
+	.insns = {
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 1),
+	BPF_EXIT_INSN(),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 0x7fffffff),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_TRACEPOINT,
+	.errstr = "invalid destination",
+	.result = REJECT,
+},
+{
+	"calls: jumping across function bodies. test1",
+	.insns = {
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 2),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 0, -3),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_TRACEPOINT,
+	.errstr = "jump out of range",
+	.result = REJECT,
+},
+{
+	"calls: jumping across function bodies. test2",
+	.insns = {
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 0, 3),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 2),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_TRACEPOINT,
+	.errstr = "jump out of range",
+	.result = REJECT,
+},
+{
+	"calls: call without exit",
+	.insns = {
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 1),
+	BPF_EXIT_INSN(),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 1),
+	BPF_EXIT_INSN(),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 0, -2),
+	},
+	.prog_type = BPF_PROG_TYPE_TRACEPOINT,
+	.errstr = "not an exit",
+	.result = REJECT,
+},
+{
+	"calls: call into middle of ld_imm64",
+	.insns = {
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 3),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 3),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	BPF_LD_IMM64(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_TRACEPOINT,
+	.errstr = "last insn",
+	.result = REJECT,
+},
+{
+	"calls: call into middle of other call",
+	.insns = {
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 3),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 3),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_TRACEPOINT,
+	.errstr = "last insn",
+	.result = REJECT,
+},
+{
+	"calls: subprog call with ld_abs in main prog",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
+	BPF_LD_ABS(BPF_B, 0),
+	BPF_LD_ABS(BPF_H, 0),
+	BPF_LD_ABS(BPF_W, 0),
+	BPF_MOV64_REG(BPF_REG_7, BPF_REG_6),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 5),
+	BPF_MOV64_REG(BPF_REG_6, BPF_REG_7),
+	BPF_LD_ABS(BPF_B, 0),
+	BPF_LD_ABS(BPF_H, 0),
+	BPF_LD_ABS(BPF_W, 0),
+	BPF_EXIT_INSN(),
+	BPF_MOV64_IMM(BPF_REG_2, 1),
+	BPF_MOV64_IMM(BPF_REG_3, 2),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_skb_vlan_push),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.result = ACCEPT,
+},
+{
+	"calls: two calls with bad fallthrough",
+	.insns = {
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 1),
+	BPF_EXIT_INSN(),
+	BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 6),
+	BPF_MOV64_REG(BPF_REG_7, BPF_REG_0),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 3),
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_7, BPF_REG_0),
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_7),
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_0),
+	BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+		    offsetof(struct __sk_buff, len)),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_TRACEPOINT,
+	.errstr = "not an exit",
+	.result = REJECT,
+},
+{
+	"calls: two calls with stack read",
+	.insns = {
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -8),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 1),
+	BPF_EXIT_INSN(),
+	BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 6),
+	BPF_MOV64_REG(BPF_REG_7, BPF_REG_0),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 3),
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_7, BPF_REG_0),
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_7),
+	BPF_EXIT_INSN(),
+	BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, 0),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_XDP,
+	.result = ACCEPT,
+},
+{
+	"calls: two calls with stack write",
+	.insns = {
+	/* main prog */
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -8),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -16),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 2),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_10, -16),
+	BPF_EXIT_INSN(),
+
+	/* subprog 1 */
+	BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
+	BPF_MOV64_REG(BPF_REG_7, BPF_REG_2),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 7),
+	BPF_MOV64_REG(BPF_REG_8, BPF_REG_0),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 4),
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_8, BPF_REG_0),
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_8),
+	/* write into stack frame of main prog */
+	BPF_STX_MEM(BPF_DW, BPF_REG_7, BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+
+	/* subprog 2 */
+	/* read from stack frame of main prog */
+	BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, 0),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_XDP,
+	.result = ACCEPT,
+},
+{
+	"calls: stack overflow using two frames (pre-call access)",
+	.insns = {
+	/* prog 1 */
+	BPF_ST_MEM(BPF_B, BPF_REG_10, -300, 0),
+	BPF_RAW_INSN(BPF_JMP|BPF_CALL, 0, 1, 0, 1),
+	BPF_EXIT_INSN(),
+
+	/* prog 2 */
+	BPF_ST_MEM(BPF_B, BPF_REG_10, -300, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_XDP,
+	.errstr = "combined stack size",
+	.result = REJECT,
+},
+{
+	"calls: stack overflow using two frames (post-call access)",
+	.insns = {
+	/* prog 1 */
+	BPF_RAW_INSN(BPF_JMP|BPF_CALL, 0, 1, 0, 2),
+	BPF_ST_MEM(BPF_B, BPF_REG_10, -300, 0),
+	BPF_EXIT_INSN(),
+
+	/* prog 2 */
+	BPF_ST_MEM(BPF_B, BPF_REG_10, -300, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_XDP,
+	.errstr = "combined stack size",
+	.result = REJECT,
+},
+{
+	"calls: stack depth check using three frames. test1",
+	.insns = {
+	/* main */
+	BPF_RAW_INSN(BPF_JMP|BPF_CALL, 0, 1, 0, 4), /* call A */
+	BPF_RAW_INSN(BPF_JMP|BPF_CALL, 0, 1, 0, 5), /* call B */
+	BPF_ST_MEM(BPF_B, BPF_REG_10, -32, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	/* A */
+	BPF_ST_MEM(BPF_B, BPF_REG_10, -256, 0),
+	BPF_EXIT_INSN(),
+	/* B */
+	BPF_RAW_INSN(BPF_JMP|BPF_CALL, 0, 1, 0, -3), /* call A */
+	BPF_ST_MEM(BPF_B, BPF_REG_10, -64, 0),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_XDP,
+	/* stack_main=32, stack_A=256, stack_B=64
+	 * and max(main+A, main+A+B) < 512
+	 */
+	.result = ACCEPT,
+},
+{
+	"calls: stack depth check using three frames. test2",
+	.insns = {
+	/* main */
+	BPF_RAW_INSN(BPF_JMP|BPF_CALL, 0, 1, 0, 4), /* call A */
+	BPF_RAW_INSN(BPF_JMP|BPF_CALL, 0, 1, 0, 5), /* call B */
+	BPF_ST_MEM(BPF_B, BPF_REG_10, -32, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	/* A */
+	BPF_ST_MEM(BPF_B, BPF_REG_10, -64, 0),
+	BPF_EXIT_INSN(),
+	/* B */
+	BPF_RAW_INSN(BPF_JMP|BPF_CALL, 0, 1, 0, -3), /* call A */
+	BPF_ST_MEM(BPF_B, BPF_REG_10, -256, 0),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_XDP,
+	/* stack_main=32, stack_A=64, stack_B=256
+	 * and max(main+A, main+A+B) < 512
+	 */
+	.result = ACCEPT,
+},
+{
+	"calls: stack depth check using three frames. test3",
+	.insns = {
+	/* main */
+	BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
+	BPF_RAW_INSN(BPF_JMP|BPF_CALL, 0, 1, 0, 6), /* call A */
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
+	BPF_RAW_INSN(BPF_JMP|BPF_CALL, 0, 1, 0, 8), /* call B */
+	BPF_JMP_IMM(BPF_JGE, BPF_REG_6, 0, 1),
+	BPF_ST_MEM(BPF_B, BPF_REG_10, -64, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	/* A */
+	BPF_JMP_IMM(BPF_JLT, BPF_REG_1, 10, 1),
+	BPF_EXIT_INSN(),
+	BPF_ST_MEM(BPF_B, BPF_REG_10, -224, 0),
+	BPF_JMP_IMM(BPF_JA, 0, 0, -3),
+	/* B */
+	BPF_JMP_IMM(BPF_JGT, BPF_REG_1, 2, 1),
+	BPF_RAW_INSN(BPF_JMP|BPF_CALL, 0, 1, 0, -6), /* call A */
+	BPF_ST_MEM(BPF_B, BPF_REG_10, -256, 0),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_XDP,
+	/* stack_main=64, stack_A=224, stack_B=256
+	 * and max(main+A, main+A+B) > 512
+	 */
+	.errstr = "combined stack",
+	.result = REJECT,
+},
+{
+	"calls: stack depth check using three frames. test4",
+	/* void main(void) {
+	 *   func1(0);
+	 *   func1(1);
+	 *   func2(1);
+	 * }
+	 * void func1(int alloc_or_recurse) {
+	 *   if (alloc_or_recurse) {
+	 *     frame_pointer[-300] = 1;
+	 *   } else {
+	 *     func2(alloc_or_recurse);
+	 *   }
+	 * }
+	 * void func2(int alloc_or_recurse) {
+	 *   if (alloc_or_recurse) {
+	 *     frame_pointer[-300] = 1;
+	 *   }
+	 * }
+	 */
+	.insns = {
+	/* main */
+	BPF_MOV64_IMM(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP|BPF_CALL, 0, 1, 0, 6), /* call A */
+	BPF_MOV64_IMM(BPF_REG_1, 1),
+	BPF_RAW_INSN(BPF_JMP|BPF_CALL, 0, 1, 0, 4), /* call A */
+	BPF_MOV64_IMM(BPF_REG_1, 1),
+	BPF_RAW_INSN(BPF_JMP|BPF_CALL, 0, 1, 0, 7), /* call B */
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	/* A */
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 0, 2),
+	BPF_ST_MEM(BPF_B, BPF_REG_10, -300, 0),
+	BPF_EXIT_INSN(),
+	BPF_RAW_INSN(BPF_JMP|BPF_CALL, 0, 1, 0, 1), /* call B */
+	BPF_EXIT_INSN(),
+	/* B */
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 0, 1),
+	BPF_ST_MEM(BPF_B, BPF_REG_10, -300, 0),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_XDP,
+	.result = REJECT,
+	.errstr = "combined stack",
+},
+{
+	"calls: stack depth check using three frames. test5",
+	.insns = {
+	/* main */
+	BPF_RAW_INSN(BPF_JMP|BPF_CALL, 0, 1, 0, 1), /* call A */
+	BPF_EXIT_INSN(),
+	/* A */
+	BPF_RAW_INSN(BPF_JMP|BPF_CALL, 0, 1, 0, 1), /* call B */
+	BPF_EXIT_INSN(),
+	/* B */
+	BPF_RAW_INSN(BPF_JMP|BPF_CALL, 0, 1, 0, 1), /* call C */
+	BPF_EXIT_INSN(),
+	/* C */
+	BPF_RAW_INSN(BPF_JMP|BPF_CALL, 0, 1, 0, 1), /* call D */
+	BPF_EXIT_INSN(),
+	/* D */
+	BPF_RAW_INSN(BPF_JMP|BPF_CALL, 0, 1, 0, 1), /* call E */
+	BPF_EXIT_INSN(),
+	/* E */
+	BPF_RAW_INSN(BPF_JMP|BPF_CALL, 0, 1, 0, 1), /* call F */
+	BPF_EXIT_INSN(),
+	/* F */
+	BPF_RAW_INSN(BPF_JMP|BPF_CALL, 0, 1, 0, 1), /* call G */
+	BPF_EXIT_INSN(),
+	/* G */
+	BPF_RAW_INSN(BPF_JMP|BPF_CALL, 0, 1, 0, 1), /* call H */
+	BPF_EXIT_INSN(),
+	/* H */
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_XDP,
+	.errstr = "call stack",
+	.result = REJECT,
+},
+{
+	"calls: stack depth check in dead code",
+	.insns = {
+	/* main */
+	BPF_MOV64_IMM(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP|BPF_CALL, 0, 1, 0, 1), /* call A */
+	BPF_EXIT_INSN(),
+	/* A */
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 0, 1),
+	BPF_RAW_INSN(BPF_JMP|BPF_CALL, 0, 1, 0, 2), /* call B */
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	/* B */
+	BPF_RAW_INSN(BPF_JMP|BPF_CALL, 0, 1, 0, 1), /* call C */
+	BPF_EXIT_INSN(),
+	/* C */
+	BPF_RAW_INSN(BPF_JMP|BPF_CALL, 0, 1, 0, 1), /* call D */
+	BPF_EXIT_INSN(),
+	/* D */
+	BPF_RAW_INSN(BPF_JMP|BPF_CALL, 0, 1, 0, 1), /* call E */
+	BPF_EXIT_INSN(),
+	/* E */
+	BPF_RAW_INSN(BPF_JMP|BPF_CALL, 0, 1, 0, 1), /* call F */
+	BPF_EXIT_INSN(),
+	/* F */
+	BPF_RAW_INSN(BPF_JMP|BPF_CALL, 0, 1, 0, 1), /* call G */
+	BPF_EXIT_INSN(),
+	/* G */
+	BPF_RAW_INSN(BPF_JMP|BPF_CALL, 0, 1, 0, 1), /* call H */
+	BPF_EXIT_INSN(),
+	/* H */
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_XDP,
+	.errstr = "call stack",
+	.result = REJECT,
+},
+{
+	"calls: spill into caller stack frame",
+	.insns = {
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -8),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 1),
+	BPF_EXIT_INSN(),
+	BPF_STX_MEM(BPF_DW, BPF_REG_1, BPF_REG_1, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_XDP,
+	.errstr = "cannot spill",
+	.result = REJECT,
+},
+{
+	"calls: write into caller stack frame",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -8),
+	BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 2),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_6, 0),
+	BPF_EXIT_INSN(),
+	BPF_ST_MEM(BPF_DW, BPF_REG_1, 0, 42),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_XDP,
+	.result = ACCEPT,
+	.retval = 42,
+},
+{
+	"calls: write into callee stack frame",
+	.insns = {
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 2),
+	BPF_ST_MEM(BPF_DW, BPF_REG_0, 0, 42),
+	BPF_EXIT_INSN(),
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, -8),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_XDP,
+	.errstr = "cannot return stack pointer",
+	.result = REJECT,
+},
+{
+	"calls: two calls with stack write and void return",
+	.insns = {
+	/* main prog */
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -8),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -16),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 2),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_10, -16),
+	BPF_EXIT_INSN(),
+
+	/* subprog 1 */
+	BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
+	BPF_MOV64_REG(BPF_REG_7, BPF_REG_2),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 3),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_7),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 1),
+	BPF_EXIT_INSN(),
+
+	/* subprog 2 */
+	/* write into stack frame of main prog */
+	BPF_ST_MEM(BPF_DW, BPF_REG_1, 0, 0),
+	BPF_EXIT_INSN(), /* void return */
+	},
+	.prog_type = BPF_PROG_TYPE_XDP,
+	.result = ACCEPT,
+},
+{
+	"calls: ambiguous return value",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 5),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 2),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+	BPF_EXIT_INSN(),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 0, 1),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.errstr_unpriv = "allowed for",
+	.result_unpriv = REJECT,
+	.errstr = "R0 !read_ok",
+	.result = REJECT,
+},
+{
+	"calls: two calls that return map_value",
+	.insns = {
+	/* main prog */
+	/* pass fp-16, fp-8 into a function */
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -8),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -16),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 8),
+
+	/* fetch map_value_ptr from the stack of this function */
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_10, -8),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 1),
+	/* write into map value */
+	BPF_ST_MEM(BPF_DW, BPF_REG_0, 0, 0),
+	/* fetch secound map_value_ptr from the stack */
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_10, -16),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 1),
+	/* write into map value */
+	BPF_ST_MEM(BPF_DW, BPF_REG_0, 0, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+
+	/* subprog 1 */
+	/* call 3rd function twice */
+	BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
+	BPF_MOV64_REG(BPF_REG_7, BPF_REG_2),
+	/* first time with fp-8 */
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 3),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_7),
+	/* second time with fp-16 */
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 1),
+	BPF_EXIT_INSN(),
+
+	/* subprog 2 */
+	BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
+	/* lookup from map */
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	/* write map_value_ptr into stack frame of main prog */
+	BPF_STX_MEM(BPF_DW, BPF_REG_6, BPF_REG_0, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(), /* return 0 */
+	},
+	.prog_type = BPF_PROG_TYPE_XDP,
+	.fixup_map_hash_8b = { 23 },
+	.result = ACCEPT,
+},
+{
+	"calls: two calls that return map_value with bool condition",
+	.insns = {
+	/* main prog */
+	/* pass fp-16, fp-8 into a function */
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -8),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -16),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 2),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+
+	/* subprog 1 */
+	/* call 3rd function twice */
+	BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
+	BPF_MOV64_REG(BPF_REG_7, BPF_REG_2),
+	/* first time with fp-8 */
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 9),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 1, 2),
+	/* fetch map_value_ptr from the stack of this function */
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_6, 0),
+	/* write into map value */
+	BPF_ST_MEM(BPF_DW, BPF_REG_0, 0, 0),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_7),
+	/* second time with fp-16 */
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 4),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 1, 2),
+	/* fetch secound map_value_ptr from the stack */
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_7, 0),
+	/* write into map value */
+	BPF_ST_MEM(BPF_DW, BPF_REG_0, 0, 0),
+	BPF_EXIT_INSN(),
+
+	/* subprog 2 */
+	BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
+	/* lookup from map */
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 2),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(), /* return 0 */
+	/* write map_value_ptr into stack frame of main prog */
+	BPF_STX_MEM(BPF_DW, BPF_REG_6, BPF_REG_0, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 1),
+	BPF_EXIT_INSN(), /* return 1 */
+	},
+	.prog_type = BPF_PROG_TYPE_XDP,
+	.fixup_map_hash_8b = { 23 },
+	.result = ACCEPT,
+},
+{
+	"calls: two calls that return map_value with incorrect bool check",
+	.insns = {
+	/* main prog */
+	/* pass fp-16, fp-8 into a function */
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -8),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -16),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 2),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+
+	/* subprog 1 */
+	/* call 3rd function twice */
+	BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
+	BPF_MOV64_REG(BPF_REG_7, BPF_REG_2),
+	/* first time with fp-8 */
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 9),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 1, 2),
+	/* fetch map_value_ptr from the stack of this function */
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_6, 0),
+	/* write into map value */
+	BPF_ST_MEM(BPF_DW, BPF_REG_0, 0, 0),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_7),
+	/* second time with fp-16 */
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 4),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 2),
+	/* fetch secound map_value_ptr from the stack */
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_7, 0),
+	/* write into map value */
+	BPF_ST_MEM(BPF_DW, BPF_REG_0, 0, 0),
+	BPF_EXIT_INSN(),
+
+	/* subprog 2 */
+	BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
+	/* lookup from map */
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 2),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(), /* return 0 */
+	/* write map_value_ptr into stack frame of main prog */
+	BPF_STX_MEM(BPF_DW, BPF_REG_6, BPF_REG_0, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 1),
+	BPF_EXIT_INSN(), /* return 1 */
+	},
+	.prog_type = BPF_PROG_TYPE_XDP,
+	.fixup_map_hash_8b = { 23 },
+	.result = REJECT,
+	.errstr = "invalid read from stack R7 off=-16 size=8",
+},
+{
+	"calls: two calls that receive map_value via arg=ptr_stack_of_caller. test1",
+	.insns = {
+	/* main prog */
+	/* pass fp-16, fp-8 into a function */
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -8),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -16),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 2),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+
+	/* subprog 1 */
+	BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
+	BPF_MOV64_REG(BPF_REG_7, BPF_REG_2),
+	/* 1st lookup from map */
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 2),
+	BPF_MOV64_IMM(BPF_REG_8, 0),
+	BPF_JMP_IMM(BPF_JA, 0, 0, 2),
+	/* write map_value_ptr into stack frame of main prog at fp-8 */
+	BPF_STX_MEM(BPF_DW, BPF_REG_6, BPF_REG_0, 0),
+	BPF_MOV64_IMM(BPF_REG_8, 1),
+
+	/* 2nd lookup from map */
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), /* 20 */
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, /* 24 */
+		     BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 2),
+	BPF_MOV64_IMM(BPF_REG_9, 0),
+	BPF_JMP_IMM(BPF_JA, 0, 0, 2),
+	/* write map_value_ptr into stack frame of main prog at fp-16 */
+	BPF_STX_MEM(BPF_DW, BPF_REG_7, BPF_REG_0, 0),
+	BPF_MOV64_IMM(BPF_REG_9, 1),
+
+	/* call 3rd func with fp-8, 0|1, fp-16, 0|1 */
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_6), /* 30 */
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_8),
+	BPF_MOV64_REG(BPF_REG_3, BPF_REG_7),
+	BPF_MOV64_REG(BPF_REG_4, BPF_REG_9),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 1),  /* 34 */
+	BPF_EXIT_INSN(),
+
+	/* subprog 2 */
+	/* if arg2 == 1 do *arg1 = 0 */
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_2, 1, 2),
+	/* fetch map_value_ptr from the stack of this function */
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, 0),
+	/* write into map value */
+	BPF_ST_MEM(BPF_DW, BPF_REG_0, 0, 0),
+
+	/* if arg4 == 1 do *arg3 = 0 */
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_4, 1, 2),
+	/* fetch map_value_ptr from the stack of this function */
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_3, 0),
+	/* write into map value */
+	BPF_ST_MEM(BPF_DW, BPF_REG_0, 2, 0),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.fixup_map_hash_8b = { 12, 22 },
+	.result = REJECT,
+	.errstr = "invalid access to map value, value_size=8 off=2 size=8",
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"calls: two calls that receive map_value via arg=ptr_stack_of_caller. test2",
+	.insns = {
+	/* main prog */
+	/* pass fp-16, fp-8 into a function */
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -8),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -16),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 2),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+
+	/* subprog 1 */
+	BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
+	BPF_MOV64_REG(BPF_REG_7, BPF_REG_2),
+	/* 1st lookup from map */
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 2),
+	BPF_MOV64_IMM(BPF_REG_8, 0),
+	BPF_JMP_IMM(BPF_JA, 0, 0, 2),
+	/* write map_value_ptr into stack frame of main prog at fp-8 */
+	BPF_STX_MEM(BPF_DW, BPF_REG_6, BPF_REG_0, 0),
+	BPF_MOV64_IMM(BPF_REG_8, 1),
+
+	/* 2nd lookup from map */
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), /* 20 */
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, /* 24 */
+		     BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 2),
+	BPF_MOV64_IMM(BPF_REG_9, 0),
+	BPF_JMP_IMM(BPF_JA, 0, 0, 2),
+	/* write map_value_ptr into stack frame of main prog at fp-16 */
+	BPF_STX_MEM(BPF_DW, BPF_REG_7, BPF_REG_0, 0),
+	BPF_MOV64_IMM(BPF_REG_9, 1),
+
+	/* call 3rd func with fp-8, 0|1, fp-16, 0|1 */
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_6), /* 30 */
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_8),
+	BPF_MOV64_REG(BPF_REG_3, BPF_REG_7),
+	BPF_MOV64_REG(BPF_REG_4, BPF_REG_9),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 1),  /* 34 */
+	BPF_EXIT_INSN(),
+
+	/* subprog 2 */
+	/* if arg2 == 1 do *arg1 = 0 */
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_2, 1, 2),
+	/* fetch map_value_ptr from the stack of this function */
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, 0),
+	/* write into map value */
+	BPF_ST_MEM(BPF_DW, BPF_REG_0, 0, 0),
+
+	/* if arg4 == 1 do *arg3 = 0 */
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_4, 1, 2),
+	/* fetch map_value_ptr from the stack of this function */
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_3, 0),
+	/* write into map value */
+	BPF_ST_MEM(BPF_DW, BPF_REG_0, 0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.fixup_map_hash_8b = { 12, 22 },
+	.result = ACCEPT,
+},
+{
+	"calls: two jumps that receive map_value via arg=ptr_stack_of_jumper. test3",
+	.insns = {
+	/* main prog */
+	/* pass fp-16, fp-8 into a function */
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -8),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -16),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_1, 0, 2),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+
+	/* subprog 1 */
+	BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
+	BPF_MOV64_REG(BPF_REG_7, BPF_REG_2),
+	/* 1st lookup from map */
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -24, 0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -24),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 2),
+	BPF_MOV64_IMM(BPF_REG_8, 0),
+	BPF_JMP_IMM(BPF_JA, 0, 0, 2),
+	/* write map_value_ptr into stack frame of main prog at fp-8 */
+	BPF_STX_MEM(BPF_DW, BPF_REG_6, BPF_REG_0, 0),
+	BPF_MOV64_IMM(BPF_REG_8, 1),
+
+	/* 2nd lookup from map */
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -24),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 2),
+	BPF_MOV64_IMM(BPF_REG_9, 0),  // 26
+	BPF_JMP_IMM(BPF_JA, 0, 0, 2),
+	/* write map_value_ptr into stack frame of main prog at fp-16 */
+	BPF_STX_MEM(BPF_DW, BPF_REG_7, BPF_REG_0, 0),
+	BPF_MOV64_IMM(BPF_REG_9, 1),
+
+	/* call 3rd func with fp-8, 0|1, fp-16, 0|1 */
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_6), // 30
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_8),
+	BPF_MOV64_REG(BPF_REG_3, BPF_REG_7),
+	BPF_MOV64_REG(BPF_REG_4, BPF_REG_9),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_1, 0, 1), // 34
+	BPF_JMP_IMM(BPF_JA, 0, 0, -30),
+
+	/* subprog 2 */
+	/* if arg2 == 1 do *arg1 = 0 */
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_2, 1, 2),
+	/* fetch map_value_ptr from the stack of this function */
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, 0),
+	/* write into map value */
+	BPF_ST_MEM(BPF_DW, BPF_REG_0, 0, 0),
+
+	/* if arg4 == 1 do *arg3 = 0 */
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_4, 1, 2),
+	/* fetch map_value_ptr from the stack of this function */
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_3, 0),
+	/* write into map value */
+	BPF_ST_MEM(BPF_DW, BPF_REG_0, 2, 0),
+	BPF_JMP_IMM(BPF_JA, 0, 0, -8),
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.fixup_map_hash_8b = { 12, 22 },
+	.result = REJECT,
+	.errstr = "invalid access to map value, value_size=8 off=2 size=8",
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"calls: two calls that receive map_value_ptr_or_null via arg. test1",
+	.insns = {
+	/* main prog */
+	/* pass fp-16, fp-8 into a function */
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -8),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -16),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 2),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+
+	/* subprog 1 */
+	BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
+	BPF_MOV64_REG(BPF_REG_7, BPF_REG_2),
+	/* 1st lookup from map */
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	/* write map_value_ptr_or_null into stack frame of main prog at fp-8 */
+	BPF_STX_MEM(BPF_DW, BPF_REG_6, BPF_REG_0, 0),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 2),
+	BPF_MOV64_IMM(BPF_REG_8, 0),
+	BPF_JMP_IMM(BPF_JA, 0, 0, 1),
+	BPF_MOV64_IMM(BPF_REG_8, 1),
+
+	/* 2nd lookup from map */
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	/* write map_value_ptr_or_null into stack frame of main prog at fp-16 */
+	BPF_STX_MEM(BPF_DW, BPF_REG_7, BPF_REG_0, 0),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 2),
+	BPF_MOV64_IMM(BPF_REG_9, 0),
+	BPF_JMP_IMM(BPF_JA, 0, 0, 1),
+	BPF_MOV64_IMM(BPF_REG_9, 1),
+
+	/* call 3rd func with fp-8, 0|1, fp-16, 0|1 */
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_8),
+	BPF_MOV64_REG(BPF_REG_3, BPF_REG_7),
+	BPF_MOV64_REG(BPF_REG_4, BPF_REG_9),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 1),
+	BPF_EXIT_INSN(),
+
+	/* subprog 2 */
+	/* if arg2 == 1 do *arg1 = 0 */
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_2, 1, 2),
+	/* fetch map_value_ptr from the stack of this function */
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, 0),
+	/* write into map value */
+	BPF_ST_MEM(BPF_DW, BPF_REG_0, 0, 0),
+
+	/* if arg4 == 1 do *arg3 = 0 */
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_4, 1, 2),
+	/* fetch map_value_ptr from the stack of this function */
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_3, 0),
+	/* write into map value */
+	BPF_ST_MEM(BPF_DW, BPF_REG_0, 0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.fixup_map_hash_8b = { 12, 22 },
+	.result = ACCEPT,
+},
+{
+	"calls: two calls that receive map_value_ptr_or_null via arg. test2",
+	.insns = {
+	/* main prog */
+	/* pass fp-16, fp-8 into a function */
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -8),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -16),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 2),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+
+	/* subprog 1 */
+	BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
+	BPF_MOV64_REG(BPF_REG_7, BPF_REG_2),
+	/* 1st lookup from map */
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	/* write map_value_ptr_or_null into stack frame of main prog at fp-8 */
+	BPF_STX_MEM(BPF_DW, BPF_REG_6, BPF_REG_0, 0),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 2),
+	BPF_MOV64_IMM(BPF_REG_8, 0),
+	BPF_JMP_IMM(BPF_JA, 0, 0, 1),
+	BPF_MOV64_IMM(BPF_REG_8, 1),
+
+	/* 2nd lookup from map */
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	/* write map_value_ptr_or_null into stack frame of main prog at fp-16 */
+	BPF_STX_MEM(BPF_DW, BPF_REG_7, BPF_REG_0, 0),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 2),
+	BPF_MOV64_IMM(BPF_REG_9, 0),
+	BPF_JMP_IMM(BPF_JA, 0, 0, 1),
+	BPF_MOV64_IMM(BPF_REG_9, 1),
+
+	/* call 3rd func with fp-8, 0|1, fp-16, 0|1 */
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_8),
+	BPF_MOV64_REG(BPF_REG_3, BPF_REG_7),
+	BPF_MOV64_REG(BPF_REG_4, BPF_REG_9),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 1),
+	BPF_EXIT_INSN(),
+
+	/* subprog 2 */
+	/* if arg2 == 1 do *arg1 = 0 */
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_2, 1, 2),
+	/* fetch map_value_ptr from the stack of this function */
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, 0),
+	/* write into map value */
+	BPF_ST_MEM(BPF_DW, BPF_REG_0, 0, 0),
+
+	/* if arg4 == 0 do *arg3 = 0 */
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_4, 0, 2),
+	/* fetch map_value_ptr from the stack of this function */
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_3, 0),
+	/* write into map value */
+	BPF_ST_MEM(BPF_DW, BPF_REG_0, 0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.fixup_map_hash_8b = { 12, 22 },
+	.result = REJECT,
+	.errstr = "R0 invalid mem access 'scalar'",
+},
+{
+	"calls: pkt_ptr spill into caller stack",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_4, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_4, -8),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 1),
+	BPF_EXIT_INSN(),
+
+	/* subprog 1 */
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+		    offsetof(struct __sk_buff, data)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+		    offsetof(struct __sk_buff, data_end)),
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8),
+	/* spill unchecked pkt_ptr into stack of caller */
+	BPF_STX_MEM(BPF_DW, BPF_REG_4, BPF_REG_2, 0),
+	BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 2),
+	/* now the pkt range is verified, read pkt_ptr from stack */
+	BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_4, 0),
+	/* write 4 bytes into packet */
+	BPF_ST_MEM(BPF_W, BPF_REG_2, 0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.retval = POINTER_VALUE,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"calls: pkt_ptr spill into caller stack 2",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_4, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_4, -8),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 3),
+	/* Marking is still kept, but not in all cases safe. */
+	BPF_LDX_MEM(BPF_DW, BPF_REG_4, BPF_REG_10, -8),
+	BPF_ST_MEM(BPF_W, BPF_REG_4, 0, 0),
+	BPF_EXIT_INSN(),
+
+	/* subprog 1 */
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+		    offsetof(struct __sk_buff, data)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+		    offsetof(struct __sk_buff, data_end)),
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8),
+	/* spill unchecked pkt_ptr into stack of caller */
+	BPF_STX_MEM(BPF_DW, BPF_REG_4, BPF_REG_2, 0),
+	BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 2),
+	/* now the pkt range is verified, read pkt_ptr from stack */
+	BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_4, 0),
+	/* write 4 bytes into packet */
+	BPF_ST_MEM(BPF_W, BPF_REG_2, 0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.errstr = "invalid access to packet",
+	.result = REJECT,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"calls: pkt_ptr spill into caller stack 3",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_4, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_4, -8),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 4),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 2),
+	/* Marking is still kept and safe here. */
+	BPF_LDX_MEM(BPF_DW, BPF_REG_4, BPF_REG_10, -8),
+	BPF_ST_MEM(BPF_W, BPF_REG_4, 0, 0),
+	BPF_EXIT_INSN(),
+
+	/* subprog 1 */
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+		    offsetof(struct __sk_buff, data)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+		    offsetof(struct __sk_buff, data_end)),
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8),
+	/* spill unchecked pkt_ptr into stack of caller */
+	BPF_STX_MEM(BPF_DW, BPF_REG_4, BPF_REG_2, 0),
+	BPF_MOV64_IMM(BPF_REG_5, 0),
+	BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 3),
+	BPF_MOV64_IMM(BPF_REG_5, 1),
+	/* now the pkt range is verified, read pkt_ptr from stack */
+	BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_4, 0),
+	/* write 4 bytes into packet */
+	BPF_ST_MEM(BPF_W, BPF_REG_2, 0, 0),
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_5),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.result = ACCEPT,
+	.retval = 1,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"calls: pkt_ptr spill into caller stack 4",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_4, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_4, -8),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 4),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 2),
+	/* Check marking propagated. */
+	BPF_LDX_MEM(BPF_DW, BPF_REG_4, BPF_REG_10, -8),
+	BPF_ST_MEM(BPF_W, BPF_REG_4, 0, 0),
+	BPF_EXIT_INSN(),
+
+	/* subprog 1 */
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+		    offsetof(struct __sk_buff, data)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+		    offsetof(struct __sk_buff, data_end)),
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8),
+	/* spill unchecked pkt_ptr into stack of caller */
+	BPF_STX_MEM(BPF_DW, BPF_REG_4, BPF_REG_2, 0),
+	BPF_MOV64_IMM(BPF_REG_5, 0),
+	BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 2),
+	BPF_MOV64_IMM(BPF_REG_5, 1),
+	/* don't read back pkt_ptr from stack here */
+	/* write 4 bytes into packet */
+	BPF_ST_MEM(BPF_W, BPF_REG_2, 0, 0),
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_5),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.result = ACCEPT,
+	.retval = 1,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"calls: pkt_ptr spill into caller stack 5",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_4, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_4, -8),
+	BPF_STX_MEM(BPF_DW, BPF_REG_4, BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 3),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_4, BPF_REG_10, -8),
+	BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_4, 0),
+	BPF_EXIT_INSN(),
+
+	/* subprog 1 */
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+		    offsetof(struct __sk_buff, data)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+		    offsetof(struct __sk_buff, data_end)),
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8),
+	BPF_MOV64_IMM(BPF_REG_5, 0),
+	BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 3),
+	/* spill checked pkt_ptr into stack of caller */
+	BPF_STX_MEM(BPF_DW, BPF_REG_4, BPF_REG_2, 0),
+	BPF_MOV64_IMM(BPF_REG_5, 1),
+	/* don't read back pkt_ptr from stack here */
+	/* write 4 bytes into packet */
+	BPF_ST_MEM(BPF_W, BPF_REG_2, 0, 0),
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_5),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.errstr = "same insn cannot be used with different",
+	.result = REJECT,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"calls: pkt_ptr spill into caller stack 6",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+		    offsetof(struct __sk_buff, data_end)),
+	BPF_MOV64_REG(BPF_REG_4, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_4, -8),
+	BPF_STX_MEM(BPF_DW, BPF_REG_4, BPF_REG_2, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 3),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_4, BPF_REG_10, -8),
+	BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_4, 0),
+	BPF_EXIT_INSN(),
+
+	/* subprog 1 */
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+		    offsetof(struct __sk_buff, data)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+		    offsetof(struct __sk_buff, data_end)),
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8),
+	BPF_MOV64_IMM(BPF_REG_5, 0),
+	BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 3),
+	/* spill checked pkt_ptr into stack of caller */
+	BPF_STX_MEM(BPF_DW, BPF_REG_4, BPF_REG_2, 0),
+	BPF_MOV64_IMM(BPF_REG_5, 1),
+	/* don't read back pkt_ptr from stack here */
+	/* write 4 bytes into packet */
+	BPF_ST_MEM(BPF_W, BPF_REG_2, 0, 0),
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_5),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.errstr = "R4 invalid mem access",
+	.result = REJECT,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"calls: pkt_ptr spill into caller stack 7",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_2, 0),
+	BPF_MOV64_REG(BPF_REG_4, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_4, -8),
+	BPF_STX_MEM(BPF_DW, BPF_REG_4, BPF_REG_2, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 3),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_4, BPF_REG_10, -8),
+	BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_4, 0),
+	BPF_EXIT_INSN(),
+
+	/* subprog 1 */
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+		    offsetof(struct __sk_buff, data)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+		    offsetof(struct __sk_buff, data_end)),
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8),
+	BPF_MOV64_IMM(BPF_REG_5, 0),
+	BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 3),
+	/* spill checked pkt_ptr into stack of caller */
+	BPF_STX_MEM(BPF_DW, BPF_REG_4, BPF_REG_2, 0),
+	BPF_MOV64_IMM(BPF_REG_5, 1),
+	/* don't read back pkt_ptr from stack here */
+	/* write 4 bytes into packet */
+	BPF_ST_MEM(BPF_W, BPF_REG_2, 0, 0),
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_5),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.errstr = "R4 invalid mem access",
+	.result = REJECT,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"calls: pkt_ptr spill into caller stack 8",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+		    offsetof(struct __sk_buff, data)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+		    offsetof(struct __sk_buff, data_end)),
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8),
+	BPF_JMP_REG(BPF_JLE, BPF_REG_0, BPF_REG_3, 1),
+	BPF_EXIT_INSN(),
+	BPF_MOV64_REG(BPF_REG_4, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_4, -8),
+	BPF_STX_MEM(BPF_DW, BPF_REG_4, BPF_REG_2, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 3),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_4, BPF_REG_10, -8),
+	BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_4, 0),
+	BPF_EXIT_INSN(),
+
+	/* subprog 1 */
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+		    offsetof(struct __sk_buff, data)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+		    offsetof(struct __sk_buff, data_end)),
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8),
+	BPF_MOV64_IMM(BPF_REG_5, 0),
+	BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 3),
+	/* spill checked pkt_ptr into stack of caller */
+	BPF_STX_MEM(BPF_DW, BPF_REG_4, BPF_REG_2, 0),
+	BPF_MOV64_IMM(BPF_REG_5, 1),
+	/* don't read back pkt_ptr from stack here */
+	/* write 4 bytes into packet */
+	BPF_ST_MEM(BPF_W, BPF_REG_2, 0, 0),
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_5),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.result = ACCEPT,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"calls: pkt_ptr spill into caller stack 9",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+		    offsetof(struct __sk_buff, data)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+		    offsetof(struct __sk_buff, data_end)),
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8),
+	BPF_JMP_REG(BPF_JLE, BPF_REG_0, BPF_REG_3, 1),
+	BPF_EXIT_INSN(),
+	BPF_MOV64_REG(BPF_REG_4, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_4, -8),
+	BPF_STX_MEM(BPF_DW, BPF_REG_4, BPF_REG_2, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 3),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_4, BPF_REG_10, -8),
+	BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_4, 0),
+	BPF_EXIT_INSN(),
+
+	/* subprog 1 */
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+		    offsetof(struct __sk_buff, data)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+		    offsetof(struct __sk_buff, data_end)),
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8),
+	BPF_MOV64_IMM(BPF_REG_5, 0),
+	/* spill unchecked pkt_ptr into stack of caller */
+	BPF_STX_MEM(BPF_DW, BPF_REG_4, BPF_REG_2, 0),
+	BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 2),
+	BPF_MOV64_IMM(BPF_REG_5, 1),
+	/* don't read back pkt_ptr from stack here */
+	/* write 4 bytes into packet */
+	BPF_ST_MEM(BPF_W, BPF_REG_2, 0, 0),
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_5),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.errstr = "invalid access to packet",
+	.result = REJECT,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"calls: caller stack init to zero or map_value_or_null",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -8),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 4),
+	/* fetch map_value_or_null or const_zero from stack */
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_10, -8),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 1),
+	/* store into map_value */
+	BPF_ST_MEM(BPF_W, BPF_REG_0, 0, 0),
+	BPF_EXIT_INSN(),
+
+	/* subprog 1 */
+	/* if (ctx == 0) return; */
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 0, 8),
+	/* else bpf_map_lookup() and *(fp - 8) = r0 */
+	BPF_MOV64_REG(BPF_REG_6, BPF_REG_2),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	/* write map_value_ptr_or_null into stack frame of main prog at fp-8 */
+	BPF_STX_MEM(BPF_DW, BPF_REG_6, BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_8b = { 13 },
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_XDP,
+},
+{
+	"calls: stack init to zero and pruning",
+	.insns = {
+	/* first make allocated_stack 16 byte */
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -16, 0),
+	/* now fork the execution such that the false branch
+	 * of JGT insn will be verified second and it skisp zero
+	 * init of fp-8 stack slot. If stack liveness marking
+	 * is missing live_read marks from call map_lookup
+	 * processing then pruning will incorrectly assume
+	 * that fp-8 stack slot was unused in the fall-through
+	 * branch and will accept the program incorrectly
+	 */
+	BPF_JMP_IMM(BPF_JGT, BPF_REG_1, 2, 2),
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+	BPF_JMP_IMM(BPF_JA, 0, 0, 0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_48b = { 6 },
+	.errstr = "invalid indirect read from stack R2 off -8+0 size 8",
+	.result = REJECT,
+	.prog_type = BPF_PROG_TYPE_XDP,
+},
+{
+	"calls: ctx read at start of subprog",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 5),
+	BPF_JMP_REG(BPF_JSGT, BPF_REG_0, BPF_REG_0, 0),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 2),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+	BPF_EXIT_INSN(),
+	BPF_LDX_MEM(BPF_B, BPF_REG_9, BPF_REG_1, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SOCKET_FILTER,
+	.errstr_unpriv = "loading/calling other bpf or kernel functions are allowed for",
+	.result_unpriv = REJECT,
+	.result = ACCEPT,
+},
+{
+	"calls: cross frame pruning",
+	.insns = {
+	/* r8 = !!random();
+	 * call pruner()
+	 * if (r8)
+	 *     do something bad;
+	 */
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_prandom_u32),
+	BPF_MOV64_IMM(BPF_REG_8, 0),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
+	BPF_MOV64_IMM(BPF_REG_8, 1),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_8),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 4),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_8, 1, 1),
+	BPF_LDX_MEM(BPF_B, BPF_REG_9, BPF_REG_1, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SOCKET_FILTER,
+	.errstr_unpriv = "loading/calling other bpf or kernel functions are allowed for",
+	.errstr = "!read_ok",
+	.result = REJECT,
+},
+{
+	"calls: cross frame pruning - liveness propagation",
+	.insns = {
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_prandom_u32),
+	BPF_MOV64_IMM(BPF_REG_8, 0),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
+	BPF_MOV64_IMM(BPF_REG_8, 1),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_prandom_u32),
+	BPF_MOV64_IMM(BPF_REG_9, 0),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
+	BPF_MOV64_IMM(BPF_REG_9, 1),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 4),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_8, 1, 1),
+	BPF_LDX_MEM(BPF_B, BPF_REG_1, BPF_REG_2, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SOCKET_FILTER,
+	.errstr_unpriv = "loading/calling other bpf or kernel functions are allowed for",
+	.errstr = "!read_ok",
+	.result = REJECT,
+},
diff --git a/tools/testing/selftests/bpf/verifier/cfg.c b/tools/testing/selftests/bpf/verifier/cfg.c
new file mode 100644
index 000000000..4eb76ed73
--- /dev/null
+++ b/tools/testing/selftests/bpf/verifier/cfg.c
@@ -0,0 +1,73 @@
+{
+	"unreachable",
+	.insns = {
+	BPF_EXIT_INSN(),
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "unreachable",
+	.result = REJECT,
+},
+{
+	"unreachable2",
+	.insns = {
+	BPF_JMP_IMM(BPF_JA, 0, 0, 1),
+	BPF_JMP_IMM(BPF_JA, 0, 0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "unreachable",
+	.result = REJECT,
+},
+{
+	"out of range jump",
+	.insns = {
+	BPF_JMP_IMM(BPF_JA, 0, 0, 1),
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "jump out of range",
+	.result = REJECT,
+},
+{
+	"out of range jump2",
+	.insns = {
+	BPF_JMP_IMM(BPF_JA, 0, 0, -2),
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "jump out of range",
+	.result = REJECT,
+},
+{
+	"loop (back-edge)",
+	.insns = {
+	BPF_JMP_IMM(BPF_JA, 0, 0, -1),
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "unreachable insn 1",
+	.errstr_unpriv = "back-edge",
+	.result = REJECT,
+},
+{
+	"loop2 (back-edge)",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_0),
+	BPF_MOV64_REG(BPF_REG_3, BPF_REG_0),
+	BPF_JMP_IMM(BPF_JA, 0, 0, -4),
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "unreachable insn 4",
+	.errstr_unpriv = "back-edge",
+	.result = REJECT,
+},
+{
+	"conditional loop",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_0),
+	BPF_MOV64_REG(BPF_REG_3, BPF_REG_0),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 0, -3),
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "infinite loop detected",
+	.errstr_unpriv = "back-edge",
+	.result = REJECT,
+},
diff --git a/tools/testing/selftests/bpf/verifier/cgroup_inv_retcode.c b/tools/testing/selftests/bpf/verifier/cgroup_inv_retcode.c
new file mode 100644
index 000000000..6d65fe3e7
--- /dev/null
+++ b/tools/testing/selftests/bpf/verifier/cgroup_inv_retcode.c
@@ -0,0 +1,72 @@
+{
+	"bpf_exit with invalid return code. test1",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, 0),
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "R0 has value (0x0; 0xffffffff)",
+	.result = REJECT,
+	.prog_type = BPF_PROG_TYPE_CGROUP_SOCK,
+},
+{
+	"bpf_exit with invalid return code. test2",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, 0),
+	BPF_ALU64_IMM(BPF_AND, BPF_REG_0, 1),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_CGROUP_SOCK,
+},
+{
+	"bpf_exit with invalid return code. test3",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, 0),
+	BPF_ALU64_IMM(BPF_AND, BPF_REG_0, 3),
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "R0 has value (0x0; 0x3)",
+	.result = REJECT,
+	.prog_type = BPF_PROG_TYPE_CGROUP_SOCK,
+},
+{
+	"bpf_exit with invalid return code. test4",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_0, 1),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_CGROUP_SOCK,
+},
+{
+	"bpf_exit with invalid return code. test5",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_0, 2),
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "R0 has value (0x2; 0x0)",
+	.result = REJECT,
+	.prog_type = BPF_PROG_TYPE_CGROUP_SOCK,
+},
+{
+	"bpf_exit with invalid return code. test6",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "R0 is not a known value (ctx)",
+	.result = REJECT,
+	.prog_type = BPF_PROG_TYPE_CGROUP_SOCK,
+},
+{
+	"bpf_exit with invalid return code. test7",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, 0),
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, 4),
+	BPF_ALU64_REG(BPF_MUL, BPF_REG_0, BPF_REG_2),
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "R0 has unknown scalar value",
+	.result = REJECT,
+	.prog_type = BPF_PROG_TYPE_CGROUP_SOCK,
+},
diff --git a/tools/testing/selftests/bpf/verifier/cgroup_skb.c b/tools/testing/selftests/bpf/verifier/cgroup_skb.c
new file mode 100644
index 000000000..52e4c03b0
--- /dev/null
+++ b/tools/testing/selftests/bpf/verifier/cgroup_skb.c
@@ -0,0 +1,197 @@
+{
+	"direct packet read test#1 for CGROUP_SKB",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+		    offsetof(struct __sk_buff, data)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+		    offsetof(struct __sk_buff, data_end)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_4, BPF_REG_1,
+		    offsetof(struct __sk_buff, len)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_5, BPF_REG_1,
+		    offsetof(struct __sk_buff, pkt_type)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_6, BPF_REG_1,
+		    offsetof(struct __sk_buff, mark)),
+	BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_6,
+		    offsetof(struct __sk_buff, mark)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_7, BPF_REG_1,
+		    offsetof(struct __sk_buff, queue_mapping)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_8, BPF_REG_1,
+		    offsetof(struct __sk_buff, protocol)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_9, BPF_REG_1,
+		    offsetof(struct __sk_buff, vlan_present)),
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8),
+	BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 1),
+	BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_2, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.result_unpriv = REJECT,
+	.errstr_unpriv = "invalid bpf_context access off=76 size=4",
+	.prog_type = BPF_PROG_TYPE_CGROUP_SKB,
+},
+{
+	"direct packet read test#2 for CGROUP_SKB",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_4, BPF_REG_1,
+		    offsetof(struct __sk_buff, vlan_tci)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_5, BPF_REG_1,
+		    offsetof(struct __sk_buff, vlan_proto)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_6, BPF_REG_1,
+		    offsetof(struct __sk_buff, priority)),
+	BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_6,
+		    offsetof(struct __sk_buff, priority)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_7, BPF_REG_1,
+		    offsetof(struct __sk_buff, ingress_ifindex)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_8, BPF_REG_1,
+		    offsetof(struct __sk_buff, tc_index)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_9, BPF_REG_1,
+		    offsetof(struct __sk_buff, hash)),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_CGROUP_SKB,
+},
+{
+	"direct packet read test#3 for CGROUP_SKB",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_4, BPF_REG_1,
+		    offsetof(struct __sk_buff, cb[0])),
+	BPF_LDX_MEM(BPF_W, BPF_REG_5, BPF_REG_1,
+		    offsetof(struct __sk_buff, cb[1])),
+	BPF_LDX_MEM(BPF_W, BPF_REG_6, BPF_REG_1,
+		    offsetof(struct __sk_buff, cb[2])),
+	BPF_LDX_MEM(BPF_W, BPF_REG_7, BPF_REG_1,
+		    offsetof(struct __sk_buff, cb[3])),
+	BPF_LDX_MEM(BPF_W, BPF_REG_8, BPF_REG_1,
+		    offsetof(struct __sk_buff, cb[4])),
+	BPF_LDX_MEM(BPF_W, BPF_REG_9, BPF_REG_1,
+		    offsetof(struct __sk_buff, napi_id)),
+	BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_4,
+		    offsetof(struct __sk_buff, cb[0])),
+	BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_5,
+		    offsetof(struct __sk_buff, cb[1])),
+	BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_6,
+		    offsetof(struct __sk_buff, cb[2])),
+	BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_7,
+		    offsetof(struct __sk_buff, cb[3])),
+	BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_8,
+		    offsetof(struct __sk_buff, cb[4])),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_CGROUP_SKB,
+},
+{
+	"direct packet read test#4 for CGROUP_SKB",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+		    offsetof(struct __sk_buff, family)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+		    offsetof(struct __sk_buff, remote_ip4)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_4, BPF_REG_1,
+		    offsetof(struct __sk_buff, local_ip4)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_5, BPF_REG_1,
+		    offsetof(struct __sk_buff, remote_ip6[0])),
+	BPF_LDX_MEM(BPF_W, BPF_REG_5, BPF_REG_1,
+		    offsetof(struct __sk_buff, remote_ip6[1])),
+	BPF_LDX_MEM(BPF_W, BPF_REG_5, BPF_REG_1,
+		    offsetof(struct __sk_buff, remote_ip6[2])),
+	BPF_LDX_MEM(BPF_W, BPF_REG_5, BPF_REG_1,
+		    offsetof(struct __sk_buff, remote_ip6[3])),
+	BPF_LDX_MEM(BPF_W, BPF_REG_6, BPF_REG_1,
+		    offsetof(struct __sk_buff, local_ip6[0])),
+	BPF_LDX_MEM(BPF_W, BPF_REG_6, BPF_REG_1,
+		    offsetof(struct __sk_buff, local_ip6[1])),
+	BPF_LDX_MEM(BPF_W, BPF_REG_6, BPF_REG_1,
+		    offsetof(struct __sk_buff, local_ip6[2])),
+	BPF_LDX_MEM(BPF_W, BPF_REG_6, BPF_REG_1,
+		    offsetof(struct __sk_buff, local_ip6[3])),
+	BPF_LDX_MEM(BPF_W, BPF_REG_7, BPF_REG_1,
+		    offsetof(struct __sk_buff, remote_port)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_8, BPF_REG_1,
+		    offsetof(struct __sk_buff, local_port)),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_CGROUP_SKB,
+},
+{
+	"invalid access of tc_classid for CGROUP_SKB",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+		    offsetof(struct __sk_buff, tc_classid)),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = REJECT,
+	.errstr = "invalid bpf_context access",
+	.prog_type = BPF_PROG_TYPE_CGROUP_SKB,
+},
+{
+	"invalid access of data_meta for CGROUP_SKB",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+		    offsetof(struct __sk_buff, data_meta)),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = REJECT,
+	.errstr = "invalid bpf_context access",
+	.prog_type = BPF_PROG_TYPE_CGROUP_SKB,
+},
+{
+	"invalid access of flow_keys for CGROUP_SKB",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+		    offsetof(struct __sk_buff, flow_keys)),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = REJECT,
+	.errstr = "invalid bpf_context access",
+	.prog_type = BPF_PROG_TYPE_CGROUP_SKB,
+},
+{
+	"invalid write access to napi_id for CGROUP_SKB",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_9, BPF_REG_1,
+		    offsetof(struct __sk_buff, napi_id)),
+	BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_9,
+		    offsetof(struct __sk_buff, napi_id)),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = REJECT,
+	.errstr = "invalid bpf_context access",
+	.prog_type = BPF_PROG_TYPE_CGROUP_SKB,
+},
+{
+	"write tstamp from CGROUP_SKB",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_STX_MEM(BPF_DW, BPF_REG_1, BPF_REG_0,
+		    offsetof(struct __sk_buff, tstamp)),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.result_unpriv = REJECT,
+	.errstr_unpriv = "invalid bpf_context access off=152 size=8",
+	.prog_type = BPF_PROG_TYPE_CGROUP_SKB,
+},
+{
+	"read tstamp from CGROUP_SKB",
+	.insns = {
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1,
+		    offsetof(struct __sk_buff, tstamp)),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_CGROUP_SKB,
+},
diff --git a/tools/testing/selftests/bpf/verifier/cgroup_storage.c b/tools/testing/selftests/bpf/verifier/cgroup_storage.c
new file mode 100644
index 000000000..97057c0a1
--- /dev/null
+++ b/tools/testing/selftests/bpf/verifier/cgroup_storage.c
@@ -0,0 +1,220 @@
+{
+	"valid cgroup storage access",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_2, 0),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_local_storage),
+	BPF_LDX_MEM(BPF_W, BPF_REG_1, BPF_REG_0, 0),
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
+	BPF_ALU64_IMM(BPF_AND, BPF_REG_0, 1),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_cgroup_storage = { 1 },
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_CGROUP_SKB,
+},
+{
+	"invalid cgroup storage access 1",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_2, 0),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_local_storage),
+	BPF_LDX_MEM(BPF_W, BPF_REG_1, BPF_REG_0, 0),
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
+	BPF_ALU64_IMM(BPF_AND, BPF_REG_0, 1),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_8b = { 1 },
+	.result = REJECT,
+	.errstr = "cannot pass map_type 1 into func bpf_get_local_storage",
+	.prog_type = BPF_PROG_TYPE_CGROUP_SKB,
+},
+{
+	"invalid cgroup storage access 2",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_2, 0),
+	BPF_LD_MAP_FD(BPF_REG_1, 1),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_local_storage),
+	BPF_ALU64_IMM(BPF_AND, BPF_REG_0, 1),
+	BPF_EXIT_INSN(),
+	},
+	.result = REJECT,
+	.errstr = "fd 1 is not pointing to valid bpf_map",
+	.prog_type = BPF_PROG_TYPE_CGROUP_SKB,
+},
+{
+	"invalid cgroup storage access 3",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_2, 0),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_local_storage),
+	BPF_LDX_MEM(BPF_W, BPF_REG_1, BPF_REG_0, 256),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 1),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_cgroup_storage = { 1 },
+	.result = REJECT,
+	.errstr = "invalid access to map value, value_size=64 off=256 size=4",
+	.prog_type = BPF_PROG_TYPE_CGROUP_SKB,
+},
+{
+	"invalid cgroup storage access 4",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_2, 0),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_local_storage),
+	BPF_LDX_MEM(BPF_W, BPF_REG_1, BPF_REG_0, -2),
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 1),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_cgroup_storage = { 1 },
+	.result = REJECT,
+	.errstr = "invalid access to map value, value_size=64 off=-2 size=4",
+	.prog_type = BPF_PROG_TYPE_CGROUP_SKB,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"invalid cgroup storage access 5",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_2, 7),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_local_storage),
+	BPF_LDX_MEM(BPF_W, BPF_REG_1, BPF_REG_0, 0),
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
+	BPF_ALU64_IMM(BPF_AND, BPF_REG_0, 1),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_cgroup_storage = { 1 },
+	.result = REJECT,
+	.errstr = "get_local_storage() doesn't support non-zero flags",
+	.prog_type = BPF_PROG_TYPE_CGROUP_SKB,
+},
+{
+	"invalid cgroup storage access 6",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_1),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_local_storage),
+	BPF_LDX_MEM(BPF_W, BPF_REG_1, BPF_REG_0, 0),
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
+	BPF_ALU64_IMM(BPF_AND, BPF_REG_0, 1),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_cgroup_storage = { 1 },
+	.result = REJECT,
+	.errstr = "get_local_storage() doesn't support non-zero flags",
+	.errstr_unpriv = "R2 leaks addr into helper function",
+	.prog_type = BPF_PROG_TYPE_CGROUP_SKB,
+},
+{
+	"valid per-cpu cgroup storage access",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_2, 0),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_local_storage),
+	BPF_LDX_MEM(BPF_W, BPF_REG_1, BPF_REG_0, 0),
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
+	BPF_ALU64_IMM(BPF_AND, BPF_REG_0, 1),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_percpu_cgroup_storage = { 1 },
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_CGROUP_SKB,
+},
+{
+	"invalid per-cpu cgroup storage access 1",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_2, 0),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_local_storage),
+	BPF_LDX_MEM(BPF_W, BPF_REG_1, BPF_REG_0, 0),
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
+	BPF_ALU64_IMM(BPF_AND, BPF_REG_0, 1),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_8b = { 1 },
+	.result = REJECT,
+	.errstr = "cannot pass map_type 1 into func bpf_get_local_storage",
+	.prog_type = BPF_PROG_TYPE_CGROUP_SKB,
+},
+{
+	"invalid per-cpu cgroup storage access 2",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_2, 0),
+	BPF_LD_MAP_FD(BPF_REG_1, 1),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_local_storage),
+	BPF_ALU64_IMM(BPF_AND, BPF_REG_0, 1),
+	BPF_EXIT_INSN(),
+	},
+	.result = REJECT,
+	.errstr = "fd 1 is not pointing to valid bpf_map",
+	.prog_type = BPF_PROG_TYPE_CGROUP_SKB,
+},
+{
+	"invalid per-cpu cgroup storage access 3",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_2, 0),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_local_storage),
+	BPF_LDX_MEM(BPF_W, BPF_REG_1, BPF_REG_0, 256),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 1),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_percpu_cgroup_storage = { 1 },
+	.result = REJECT,
+	.errstr = "invalid access to map value, value_size=64 off=256 size=4",
+	.prog_type = BPF_PROG_TYPE_CGROUP_SKB,
+},
+{
+	"invalid per-cpu cgroup storage access 4",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_2, 0),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_local_storage),
+	BPF_LDX_MEM(BPF_W, BPF_REG_1, BPF_REG_0, -2),
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 1),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_cgroup_storage = { 1 },
+	.result = REJECT,
+	.errstr = "invalid access to map value, value_size=64 off=-2 size=4",
+	.prog_type = BPF_PROG_TYPE_CGROUP_SKB,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"invalid per-cpu cgroup storage access 5",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_2, 7),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_local_storage),
+	BPF_LDX_MEM(BPF_W, BPF_REG_1, BPF_REG_0, 0),
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
+	BPF_ALU64_IMM(BPF_AND, BPF_REG_0, 1),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_percpu_cgroup_storage = { 1 },
+	.result = REJECT,
+	.errstr = "get_local_storage() doesn't support non-zero flags",
+	.prog_type = BPF_PROG_TYPE_CGROUP_SKB,
+},
+{
+	"invalid per-cpu cgroup storage access 6",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_1),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_local_storage),
+	BPF_LDX_MEM(BPF_W, BPF_REG_1, BPF_REG_0, 0),
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
+	BPF_ALU64_IMM(BPF_AND, BPF_REG_0, 1),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_percpu_cgroup_storage = { 1 },
+	.result = REJECT,
+	.errstr = "get_local_storage() doesn't support non-zero flags",
+	.errstr_unpriv = "R2 leaks addr into helper function",
+	.prog_type = BPF_PROG_TYPE_CGROUP_SKB,
+},
diff --git a/tools/testing/selftests/bpf/verifier/const_or.c b/tools/testing/selftests/bpf/verifier/const_or.c
new file mode 100644
index 000000000..0719b0dde
--- /dev/null
+++ b/tools/testing/selftests/bpf/verifier/const_or.c
@@ -0,0 +1,60 @@
+{
+	"constant register |= constant should keep constant type",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -48),
+	BPF_MOV64_IMM(BPF_REG_2, 34),
+	BPF_ALU64_IMM(BPF_OR, BPF_REG_2, 13),
+	BPF_MOV64_IMM(BPF_REG_3, 0),
+	BPF_EMIT_CALL(BPF_FUNC_probe_read_kernel),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_TRACEPOINT,
+},
+{
+	"constant register |= constant should not bypass stack boundary checks",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -48),
+	BPF_MOV64_IMM(BPF_REG_2, 34),
+	BPF_ALU64_IMM(BPF_OR, BPF_REG_2, 24),
+	BPF_MOV64_IMM(BPF_REG_3, 0),
+	BPF_EMIT_CALL(BPF_FUNC_probe_read_kernel),
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "invalid indirect access to stack R1 off=-48 size=58",
+	.result = REJECT,
+	.prog_type = BPF_PROG_TYPE_TRACEPOINT,
+},
+{
+	"constant register |= constant register should keep constant type",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -48),
+	BPF_MOV64_IMM(BPF_REG_2, 34),
+	BPF_MOV64_IMM(BPF_REG_4, 13),
+	BPF_ALU64_REG(BPF_OR, BPF_REG_2, BPF_REG_4),
+	BPF_MOV64_IMM(BPF_REG_3, 0),
+	BPF_EMIT_CALL(BPF_FUNC_probe_read_kernel),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_TRACEPOINT,
+},
+{
+	"constant register |= constant register should not bypass stack boundary checks",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -48),
+	BPF_MOV64_IMM(BPF_REG_2, 34),
+	BPF_MOV64_IMM(BPF_REG_4, 24),
+	BPF_ALU64_REG(BPF_OR, BPF_REG_2, BPF_REG_4),
+	BPF_MOV64_IMM(BPF_REG_3, 0),
+	BPF_EMIT_CALL(BPF_FUNC_probe_read_kernel),
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "invalid indirect access to stack R1 off=-48 size=58",
+	.result = REJECT,
+	.prog_type = BPF_PROG_TYPE_TRACEPOINT,
+},
diff --git a/tools/testing/selftests/bpf/verifier/ctx.c b/tools/testing/selftests/bpf/verifier/ctx.c
new file mode 100644
index 000000000..c8eaf0536
--- /dev/null
+++ b/tools/testing/selftests/bpf/verifier/ctx.c
@@ -0,0 +1,197 @@
+{
+	"context stores via ST",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_ST_MEM(BPF_DW, BPF_REG_1, offsetof(struct __sk_buff, mark), 0),
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "BPF_ST stores into R1 ctx is not allowed",
+	.result = REJECT,
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+},
+{
+	"context stores via BPF_ATOMIC",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_ATOMIC_OP(BPF_W, BPF_ADD, BPF_REG_1, BPF_REG_0, offsetof(struct __sk_buff, mark)),
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "BPF_ATOMIC stores into R1 ctx is not allowed",
+	.result = REJECT,
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+},
+{
+	"arithmetic ops make PTR_TO_CTX unusable",
+	.insns = {
+		BPF_ALU64_IMM(BPF_ADD, BPF_REG_1,
+			      offsetof(struct __sk_buff, data) -
+			      offsetof(struct __sk_buff, mark)),
+		BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+			    offsetof(struct __sk_buff, mark)),
+		BPF_EXIT_INSN(),
+	},
+	.errstr = "dereference of modified ctx ptr",
+	.result = REJECT,
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+},
+{
+	"pass unmodified ctx pointer to helper",
+	.insns = {
+		BPF_MOV64_IMM(BPF_REG_2, 0),
+		BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
+			     BPF_FUNC_csum_update),
+		BPF_MOV64_IMM(BPF_REG_0, 0),
+		BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.result = ACCEPT,
+},
+{
+	"pass modified ctx pointer to helper, 1",
+	.insns = {
+		BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -612),
+		BPF_MOV64_IMM(BPF_REG_2, 0),
+		BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
+			     BPF_FUNC_csum_update),
+		BPF_MOV64_IMM(BPF_REG_0, 0),
+		BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.result = REJECT,
+	.errstr = "negative offset ctx ptr R1 off=-612 disallowed",
+},
+{
+	"pass modified ctx pointer to helper, 2",
+	.insns = {
+		BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -612),
+		BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
+			     BPF_FUNC_get_socket_cookie),
+		BPF_MOV64_IMM(BPF_REG_0, 0),
+		BPF_EXIT_INSN(),
+	},
+	.result_unpriv = REJECT,
+	.result = REJECT,
+	.errstr_unpriv = "negative offset ctx ptr R1 off=-612 disallowed",
+	.errstr = "negative offset ctx ptr R1 off=-612 disallowed",
+},
+{
+	"pass modified ctx pointer to helper, 3",
+	.insns = {
+		BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, 0),
+		BPF_ALU64_IMM(BPF_AND, BPF_REG_3, 4),
+		BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_3),
+		BPF_MOV64_IMM(BPF_REG_2, 0),
+		BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
+			     BPF_FUNC_csum_update),
+		BPF_MOV64_IMM(BPF_REG_0, 0),
+		BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.result = REJECT,
+	.errstr = "variable ctx access var_off=(0x0; 0x4)",
+},
+{
+	"pass ctx or null check, 1: ctx",
+	.insns = {
+		BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
+			     BPF_FUNC_get_netns_cookie),
+		BPF_MOV64_IMM(BPF_REG_0, 0),
+		BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_CGROUP_SOCK_ADDR,
+	.expected_attach_type = BPF_CGROUP_UDP6_SENDMSG,
+	.result = ACCEPT,
+},
+{
+	"pass ctx or null check, 2: null",
+	.insns = {
+		BPF_MOV64_IMM(BPF_REG_1, 0),
+		BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
+			     BPF_FUNC_get_netns_cookie),
+		BPF_MOV64_IMM(BPF_REG_0, 0),
+		BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_CGROUP_SOCK_ADDR,
+	.expected_attach_type = BPF_CGROUP_UDP6_SENDMSG,
+	.result = ACCEPT,
+},
+{
+	"pass ctx or null check, 3: 1",
+	.insns = {
+		BPF_MOV64_IMM(BPF_REG_1, 1),
+		BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
+			     BPF_FUNC_get_netns_cookie),
+		BPF_MOV64_IMM(BPF_REG_0, 0),
+		BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_CGROUP_SOCK_ADDR,
+	.expected_attach_type = BPF_CGROUP_UDP6_SENDMSG,
+	.result = REJECT,
+	.errstr = "R1 type=scalar expected=ctx",
+},
+{
+	"pass ctx or null check, 4: ctx - const",
+	.insns = {
+		BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -612),
+		BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
+			     BPF_FUNC_get_netns_cookie),
+		BPF_MOV64_IMM(BPF_REG_0, 0),
+		BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_CGROUP_SOCK_ADDR,
+	.expected_attach_type = BPF_CGROUP_UDP6_SENDMSG,
+	.result = REJECT,
+	.errstr = "negative offset ctx ptr R1 off=-612 disallowed",
+},
+{
+	"pass ctx or null check, 5: null (connect)",
+	.insns = {
+		BPF_MOV64_IMM(BPF_REG_1, 0),
+		BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
+			     BPF_FUNC_get_netns_cookie),
+		BPF_MOV64_IMM(BPF_REG_0, 0),
+		BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_CGROUP_SOCK_ADDR,
+	.expected_attach_type = BPF_CGROUP_INET4_CONNECT,
+	.result = ACCEPT,
+},
+{
+	"pass ctx or null check, 6: null (bind)",
+	.insns = {
+		BPF_MOV64_IMM(BPF_REG_1, 0),
+		BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
+			     BPF_FUNC_get_netns_cookie),
+		BPF_MOV64_IMM(BPF_REG_0, 0),
+		BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_CGROUP_SOCK,
+	.expected_attach_type = BPF_CGROUP_INET4_POST_BIND,
+	.result = ACCEPT,
+},
+{
+	"pass ctx or null check, 7: ctx (bind)",
+	.insns = {
+		BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
+			     BPF_FUNC_get_socket_cookie),
+		BPF_MOV64_IMM(BPF_REG_0, 0),
+		BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_CGROUP_SOCK,
+	.expected_attach_type = BPF_CGROUP_INET4_POST_BIND,
+	.result = ACCEPT,
+},
+{
+	"pass ctx or null check, 8: null (bind)",
+	.insns = {
+		BPF_MOV64_IMM(BPF_REG_1, 0),
+		BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
+			     BPF_FUNC_get_socket_cookie),
+		BPF_MOV64_IMM(BPF_REG_0, 0),
+		BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_CGROUP_SOCK,
+	.expected_attach_type = BPF_CGROUP_INET4_POST_BIND,
+	.result = REJECT,
+	.errstr = "R1 type=scalar expected=ctx",
+},
diff --git a/tools/testing/selftests/bpf/verifier/ctx_sk_lookup.c b/tools/testing/selftests/bpf/verifier/ctx_sk_lookup.c
new file mode 100644
index 000000000..a2b006e2f
--- /dev/null
+++ b/tools/testing/selftests/bpf/verifier/ctx_sk_lookup.c
@@ -0,0 +1,532 @@
+{
+	"valid 1,2,4,8-byte reads from bpf_sk_lookup",
+	.insns = {
+		/* 1-byte read from family field */
+		BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
+			    offsetof(struct bpf_sk_lookup, family)),
+		BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
+			    offsetof(struct bpf_sk_lookup, family) + 1),
+		BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
+			    offsetof(struct bpf_sk_lookup, family) + 2),
+		BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
+			    offsetof(struct bpf_sk_lookup, family) + 3),
+		/* 2-byte read from family field */
+		BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1,
+			    offsetof(struct bpf_sk_lookup, family)),
+		BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1,
+			    offsetof(struct bpf_sk_lookup, family) + 2),
+		/* 4-byte read from family field */
+		BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+			    offsetof(struct bpf_sk_lookup, family)),
+
+		/* 1-byte read from protocol field */
+		BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
+			    offsetof(struct bpf_sk_lookup, protocol)),
+		BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
+			    offsetof(struct bpf_sk_lookup, protocol) + 1),
+		BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
+			    offsetof(struct bpf_sk_lookup, protocol) + 2),
+		BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
+			    offsetof(struct bpf_sk_lookup, protocol) + 3),
+		/* 2-byte read from protocol field */
+		BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1,
+			    offsetof(struct bpf_sk_lookup, protocol)),
+		BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1,
+			    offsetof(struct bpf_sk_lookup, protocol) + 2),
+		/* 4-byte read from protocol field */
+		BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+			    offsetof(struct bpf_sk_lookup, protocol)),
+
+		/* 1-byte read from remote_ip4 field */
+		BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
+			    offsetof(struct bpf_sk_lookup, remote_ip4)),
+		BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
+			    offsetof(struct bpf_sk_lookup, remote_ip4) + 1),
+		BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
+			    offsetof(struct bpf_sk_lookup, remote_ip4) + 2),
+		BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
+			    offsetof(struct bpf_sk_lookup, remote_ip4) + 3),
+		/* 2-byte read from remote_ip4 field */
+		BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1,
+			    offsetof(struct bpf_sk_lookup, remote_ip4)),
+		BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1,
+			    offsetof(struct bpf_sk_lookup, remote_ip4) + 2),
+		/* 4-byte read from remote_ip4 field */
+		BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+			    offsetof(struct bpf_sk_lookup, remote_ip4)),
+
+		/* 1-byte read from remote_ip6 field */
+		BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
+			    offsetof(struct bpf_sk_lookup, remote_ip6)),
+		BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
+			    offsetof(struct bpf_sk_lookup, remote_ip6) + 1),
+		BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
+			    offsetof(struct bpf_sk_lookup, remote_ip6) + 2),
+		BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
+			    offsetof(struct bpf_sk_lookup, remote_ip6) + 3),
+		BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
+			    offsetof(struct bpf_sk_lookup, remote_ip6) + 4),
+		BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
+			    offsetof(struct bpf_sk_lookup, remote_ip6) + 5),
+		BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
+			    offsetof(struct bpf_sk_lookup, remote_ip6) + 6),
+		BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
+			    offsetof(struct bpf_sk_lookup, remote_ip6) + 7),
+		BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
+			    offsetof(struct bpf_sk_lookup, remote_ip6) + 8),
+		BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
+			    offsetof(struct bpf_sk_lookup, remote_ip6) + 9),
+		BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
+			    offsetof(struct bpf_sk_lookup, remote_ip6) + 10),
+		BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
+			    offsetof(struct bpf_sk_lookup, remote_ip6) + 11),
+		BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
+			    offsetof(struct bpf_sk_lookup, remote_ip6) + 12),
+		BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
+			    offsetof(struct bpf_sk_lookup, remote_ip6) + 13),
+		BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
+			    offsetof(struct bpf_sk_lookup, remote_ip6) + 14),
+		BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
+			    offsetof(struct bpf_sk_lookup, remote_ip6) + 15),
+		/* 2-byte read from remote_ip6 field */
+		BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1,
+			    offsetof(struct bpf_sk_lookup, remote_ip6)),
+		BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1,
+			    offsetof(struct bpf_sk_lookup, remote_ip6) + 2),
+		BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1,
+			    offsetof(struct bpf_sk_lookup, remote_ip6) + 4),
+		BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1,
+			    offsetof(struct bpf_sk_lookup, remote_ip6) + 6),
+		BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1,
+			    offsetof(struct bpf_sk_lookup, remote_ip6) + 8),
+		BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1,
+			    offsetof(struct bpf_sk_lookup, remote_ip6) + 10),
+		BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1,
+			    offsetof(struct bpf_sk_lookup, remote_ip6) + 12),
+		BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1,
+			    offsetof(struct bpf_sk_lookup, remote_ip6) + 14),
+		/* 4-byte read from remote_ip6 field */
+		BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+			    offsetof(struct bpf_sk_lookup, remote_ip6)),
+		BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+			    offsetof(struct bpf_sk_lookup, remote_ip6) + 4),
+		BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+			    offsetof(struct bpf_sk_lookup, remote_ip6) + 8),
+		BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+			    offsetof(struct bpf_sk_lookup, remote_ip6) + 12),
+
+		/* 1-byte read from remote_port field */
+		BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
+			    offsetof(struct bpf_sk_lookup, remote_port)),
+		BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
+			    offsetof(struct bpf_sk_lookup, remote_port) + 1),
+		BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
+			    offsetof(struct bpf_sk_lookup, remote_port) + 2),
+		BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
+			    offsetof(struct bpf_sk_lookup, remote_port) + 3),
+		/* 2-byte read from remote_port field */
+		BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1,
+			    offsetof(struct bpf_sk_lookup, remote_port)),
+		BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1,
+			    offsetof(struct bpf_sk_lookup, remote_port) + 2),
+		/* 4-byte read from remote_port field */
+		BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+			    offsetof(struct bpf_sk_lookup, remote_port)),
+
+		/* 1-byte read from local_ip4 field */
+		BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
+			    offsetof(struct bpf_sk_lookup, local_ip4)),
+		BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
+			    offsetof(struct bpf_sk_lookup, local_ip4) + 1),
+		BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
+			    offsetof(struct bpf_sk_lookup, local_ip4) + 2),
+		BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
+			    offsetof(struct bpf_sk_lookup, local_ip4) + 3),
+		/* 2-byte read from local_ip4 field */
+		BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1,
+			    offsetof(struct bpf_sk_lookup, local_ip4)),
+		BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1,
+			    offsetof(struct bpf_sk_lookup, local_ip4) + 2),
+		/* 4-byte read from local_ip4 field */
+		BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+			    offsetof(struct bpf_sk_lookup, local_ip4)),
+
+		/* 1-byte read from local_ip6 field */
+		BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
+			    offsetof(struct bpf_sk_lookup, local_ip6)),
+		BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
+			    offsetof(struct bpf_sk_lookup, local_ip6) + 1),
+		BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
+			    offsetof(struct bpf_sk_lookup, local_ip6) + 2),
+		BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
+			    offsetof(struct bpf_sk_lookup, local_ip6) + 3),
+		BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
+			    offsetof(struct bpf_sk_lookup, local_ip6) + 4),
+		BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
+			    offsetof(struct bpf_sk_lookup, local_ip6) + 5),
+		BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
+			    offsetof(struct bpf_sk_lookup, local_ip6) + 6),
+		BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
+			    offsetof(struct bpf_sk_lookup, local_ip6) + 7),
+		BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
+			    offsetof(struct bpf_sk_lookup, local_ip6) + 8),
+		BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
+			    offsetof(struct bpf_sk_lookup, local_ip6) + 9),
+		BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
+			    offsetof(struct bpf_sk_lookup, local_ip6) + 10),
+		BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
+			    offsetof(struct bpf_sk_lookup, local_ip6) + 11),
+		BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
+			    offsetof(struct bpf_sk_lookup, local_ip6) + 12),
+		BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
+			    offsetof(struct bpf_sk_lookup, local_ip6) + 13),
+		BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
+			    offsetof(struct bpf_sk_lookup, local_ip6) + 14),
+		BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
+			    offsetof(struct bpf_sk_lookup, local_ip6) + 15),
+		/* 2-byte read from local_ip6 field */
+		BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1,
+			    offsetof(struct bpf_sk_lookup, local_ip6)),
+		BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1,
+			    offsetof(struct bpf_sk_lookup, local_ip6) + 2),
+		BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1,
+			    offsetof(struct bpf_sk_lookup, local_ip6) + 4),
+		BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1,
+			    offsetof(struct bpf_sk_lookup, local_ip6) + 6),
+		BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1,
+			    offsetof(struct bpf_sk_lookup, local_ip6) + 8),
+		BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1,
+			    offsetof(struct bpf_sk_lookup, local_ip6) + 10),
+		BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1,
+			    offsetof(struct bpf_sk_lookup, local_ip6) + 12),
+		BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1,
+			    offsetof(struct bpf_sk_lookup, local_ip6) + 14),
+		/* 4-byte read from local_ip6 field */
+		BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+			    offsetof(struct bpf_sk_lookup, local_ip6)),
+		BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+			    offsetof(struct bpf_sk_lookup, local_ip6) + 4),
+		BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+			    offsetof(struct bpf_sk_lookup, local_ip6) + 8),
+		BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+			    offsetof(struct bpf_sk_lookup, local_ip6) + 12),
+
+		/* 1-byte read from local_port field */
+		BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
+			    offsetof(struct bpf_sk_lookup, local_port)),
+		BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
+			    offsetof(struct bpf_sk_lookup, local_port) + 1),
+		BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
+			    offsetof(struct bpf_sk_lookup, local_port) + 2),
+		BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
+			    offsetof(struct bpf_sk_lookup, local_port) + 3),
+		/* 2-byte read from local_port field */
+		BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1,
+			    offsetof(struct bpf_sk_lookup, local_port)),
+		BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1,
+			    offsetof(struct bpf_sk_lookup, local_port) + 2),
+		/* 4-byte read from local_port field */
+		BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+			    offsetof(struct bpf_sk_lookup, local_port)),
+
+		/* 1-byte read from ingress_ifindex field */
+		BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
+			    offsetof(struct bpf_sk_lookup, ingress_ifindex)),
+		BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
+			    offsetof(struct bpf_sk_lookup, ingress_ifindex) + 1),
+		BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
+			    offsetof(struct bpf_sk_lookup, ingress_ifindex) + 2),
+		BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
+			    offsetof(struct bpf_sk_lookup, ingress_ifindex) + 3),
+		/* 2-byte read from ingress_ifindex field */
+		BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1,
+			    offsetof(struct bpf_sk_lookup, ingress_ifindex)),
+		BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1,
+			    offsetof(struct bpf_sk_lookup, ingress_ifindex) + 2),
+		/* 4-byte read from ingress_ifindex field */
+		BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+			    offsetof(struct bpf_sk_lookup, ingress_ifindex)),
+
+		/* 8-byte read from sk field */
+		BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1,
+			    offsetof(struct bpf_sk_lookup, sk)),
+
+		BPF_MOV32_IMM(BPF_REG_0, 0),
+		BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_SK_LOOKUP,
+	.expected_attach_type = BPF_SK_LOOKUP,
+	.runs = -1,
+},
+/* invalid 8-byte reads from a 4-byte fields in bpf_sk_lookup */
+{
+	"invalid 8-byte read from bpf_sk_lookup family field",
+	.insns = {
+		BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1,
+			    offsetof(struct bpf_sk_lookup, family)),
+		BPF_MOV32_IMM(BPF_REG_0, 0),
+		BPF_EXIT_INSN(),
+	},
+	.errstr = "invalid bpf_context access",
+	.result = REJECT,
+	.prog_type = BPF_PROG_TYPE_SK_LOOKUP,
+	.expected_attach_type = BPF_SK_LOOKUP,
+},
+{
+	"invalid 8-byte read from bpf_sk_lookup protocol field",
+	.insns = {
+		BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1,
+			    offsetof(struct bpf_sk_lookup, protocol)),
+		BPF_MOV32_IMM(BPF_REG_0, 0),
+		BPF_EXIT_INSN(),
+	},
+	.errstr = "invalid bpf_context access",
+	.result = REJECT,
+	.prog_type = BPF_PROG_TYPE_SK_LOOKUP,
+	.expected_attach_type = BPF_SK_LOOKUP,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"invalid 8-byte read from bpf_sk_lookup remote_ip4 field",
+	.insns = {
+		BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1,
+			    offsetof(struct bpf_sk_lookup, remote_ip4)),
+		BPF_MOV32_IMM(BPF_REG_0, 0),
+		BPF_EXIT_INSN(),
+	},
+	.errstr = "invalid bpf_context access",
+	.result = REJECT,
+	.prog_type = BPF_PROG_TYPE_SK_LOOKUP,
+	.expected_attach_type = BPF_SK_LOOKUP,
+},
+{
+	"invalid 8-byte read from bpf_sk_lookup remote_ip6 field",
+	.insns = {
+		BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1,
+			    offsetof(struct bpf_sk_lookup, remote_ip6)),
+		BPF_MOV32_IMM(BPF_REG_0, 0),
+		BPF_EXIT_INSN(),
+	},
+	.errstr = "invalid bpf_context access",
+	.result = REJECT,
+	.prog_type = BPF_PROG_TYPE_SK_LOOKUP,
+	.expected_attach_type = BPF_SK_LOOKUP,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"invalid 8-byte read from bpf_sk_lookup remote_port field",
+	.insns = {
+		BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1,
+			    offsetof(struct bpf_sk_lookup, remote_port)),
+		BPF_MOV32_IMM(BPF_REG_0, 0),
+		BPF_EXIT_INSN(),
+	},
+	.errstr = "invalid bpf_context access",
+	.result = REJECT,
+	.prog_type = BPF_PROG_TYPE_SK_LOOKUP,
+	.expected_attach_type = BPF_SK_LOOKUP,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"invalid 8-byte read from bpf_sk_lookup local_ip4 field",
+	.insns = {
+		BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1,
+			    offsetof(struct bpf_sk_lookup, local_ip4)),
+		BPF_MOV32_IMM(BPF_REG_0, 0),
+		BPF_EXIT_INSN(),
+	},
+	.errstr = "invalid bpf_context access",
+	.result = REJECT,
+	.prog_type = BPF_PROG_TYPE_SK_LOOKUP,
+	.expected_attach_type = BPF_SK_LOOKUP,
+},
+{
+	"invalid 8-byte read from bpf_sk_lookup local_ip6 field",
+	.insns = {
+		BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1,
+			    offsetof(struct bpf_sk_lookup, local_ip6)),
+		BPF_MOV32_IMM(BPF_REG_0, 0),
+		BPF_EXIT_INSN(),
+	},
+	.errstr = "invalid bpf_context access",
+	.result = REJECT,
+	.prog_type = BPF_PROG_TYPE_SK_LOOKUP,
+	.expected_attach_type = BPF_SK_LOOKUP,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"invalid 8-byte read from bpf_sk_lookup local_port field",
+	.insns = {
+		BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1,
+			    offsetof(struct bpf_sk_lookup, local_port)),
+		BPF_MOV32_IMM(BPF_REG_0, 0),
+		BPF_EXIT_INSN(),
+	},
+	.errstr = "invalid bpf_context access",
+	.result = REJECT,
+	.prog_type = BPF_PROG_TYPE_SK_LOOKUP,
+	.expected_attach_type = BPF_SK_LOOKUP,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"invalid 8-byte read from bpf_sk_lookup ingress_ifindex field",
+	.insns = {
+		BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1,
+			    offsetof(struct bpf_sk_lookup, ingress_ifindex)),
+		BPF_MOV32_IMM(BPF_REG_0, 0),
+		BPF_EXIT_INSN(),
+	},
+	.errstr = "invalid bpf_context access",
+	.result = REJECT,
+	.prog_type = BPF_PROG_TYPE_SK_LOOKUP,
+	.expected_attach_type = BPF_SK_LOOKUP,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+/* invalid 1,2,4-byte reads from 8-byte fields in bpf_sk_lookup */
+{
+	"invalid 4-byte read from bpf_sk_lookup sk field",
+	.insns = {
+		BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+			    offsetof(struct bpf_sk_lookup, sk)),
+		BPF_MOV32_IMM(BPF_REG_0, 0),
+		BPF_EXIT_INSN(),
+	},
+	.errstr = "invalid bpf_context access",
+	.result = REJECT,
+	.prog_type = BPF_PROG_TYPE_SK_LOOKUP,
+	.expected_attach_type = BPF_SK_LOOKUP,
+},
+{
+	"invalid 2-byte read from bpf_sk_lookup sk field",
+	.insns = {
+		BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1,
+			    offsetof(struct bpf_sk_lookup, sk)),
+		BPF_MOV32_IMM(BPF_REG_0, 0),
+		BPF_EXIT_INSN(),
+	},
+	.errstr = "invalid bpf_context access",
+	.result = REJECT,
+	.prog_type = BPF_PROG_TYPE_SK_LOOKUP,
+	.expected_attach_type = BPF_SK_LOOKUP,
+},
+{
+	"invalid 1-byte read from bpf_sk_lookup sk field",
+	.insns = {
+		BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
+			    offsetof(struct bpf_sk_lookup, sk)),
+		BPF_MOV32_IMM(BPF_REG_0, 0),
+		BPF_EXIT_INSN(),
+	},
+	.errstr = "invalid bpf_context access",
+	.result = REJECT,
+	.prog_type = BPF_PROG_TYPE_SK_LOOKUP,
+	.expected_attach_type = BPF_SK_LOOKUP,
+},
+/* out of bounds and unaligned reads from bpf_sk_lookup */
+{
+	"invalid 4-byte read past end of bpf_sk_lookup",
+	.insns = {
+		BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+			    sizeof(struct bpf_sk_lookup)),
+		BPF_MOV32_IMM(BPF_REG_0, 0),
+		BPF_EXIT_INSN(),
+	},
+	.errstr = "invalid bpf_context access",
+	.result = REJECT,
+	.prog_type = BPF_PROG_TYPE_SK_LOOKUP,
+	.expected_attach_type = BPF_SK_LOOKUP,
+},
+{
+	"invalid 4-byte unaligned read from bpf_sk_lookup at odd offset",
+	.insns = {
+		BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, 1),
+		BPF_MOV32_IMM(BPF_REG_0, 0),
+		BPF_EXIT_INSN(),
+	},
+	.errstr = "invalid bpf_context access",
+	.result = REJECT,
+	.prog_type = BPF_PROG_TYPE_SK_LOOKUP,
+	.expected_attach_type = BPF_SK_LOOKUP,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"invalid 4-byte unaligned read from bpf_sk_lookup at even offset",
+	.insns = {
+		BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, 2),
+		BPF_MOV32_IMM(BPF_REG_0, 0),
+		BPF_EXIT_INSN(),
+	},
+	.errstr = "invalid bpf_context access",
+	.result = REJECT,
+	.prog_type = BPF_PROG_TYPE_SK_LOOKUP,
+	.expected_attach_type = BPF_SK_LOOKUP,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+/* in-bound and out-of-bound writes to bpf_sk_lookup */
+{
+	"invalid 8-byte write to bpf_sk_lookup",
+	.insns = {
+		BPF_MOV64_IMM(BPF_REG_0, 0xcafe4a11U),
+		BPF_STX_MEM(BPF_DW, BPF_REG_1, BPF_REG_0, 0),
+		BPF_MOV32_IMM(BPF_REG_0, 0),
+		BPF_EXIT_INSN(),
+	},
+	.errstr = "invalid bpf_context access",
+	.result = REJECT,
+	.prog_type = BPF_PROG_TYPE_SK_LOOKUP,
+	.expected_attach_type = BPF_SK_LOOKUP,
+},
+{
+	"invalid 4-byte write to bpf_sk_lookup",
+	.insns = {
+		BPF_MOV64_IMM(BPF_REG_0, 0xcafe4a11U),
+		BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_0, 0),
+		BPF_MOV32_IMM(BPF_REG_0, 0),
+		BPF_EXIT_INSN(),
+	},
+	.errstr = "invalid bpf_context access",
+	.result = REJECT,
+	.prog_type = BPF_PROG_TYPE_SK_LOOKUP,
+	.expected_attach_type = BPF_SK_LOOKUP,
+},
+{
+	"invalid 2-byte write to bpf_sk_lookup",
+	.insns = {
+		BPF_MOV64_IMM(BPF_REG_0, 0xcafe4a11U),
+		BPF_STX_MEM(BPF_H, BPF_REG_1, BPF_REG_0, 0),
+		BPF_MOV32_IMM(BPF_REG_0, 0),
+		BPF_EXIT_INSN(),
+	},
+	.errstr = "invalid bpf_context access",
+	.result = REJECT,
+	.prog_type = BPF_PROG_TYPE_SK_LOOKUP,
+	.expected_attach_type = BPF_SK_LOOKUP,
+},
+{
+	"invalid 1-byte write to bpf_sk_lookup",
+	.insns = {
+		BPF_MOV64_IMM(BPF_REG_0, 0xcafe4a11U),
+		BPF_STX_MEM(BPF_B, BPF_REG_1, BPF_REG_0, 0),
+		BPF_MOV32_IMM(BPF_REG_0, 0),
+		BPF_EXIT_INSN(),
+	},
+	.errstr = "invalid bpf_context access",
+	.result = REJECT,
+	.prog_type = BPF_PROG_TYPE_SK_LOOKUP,
+	.expected_attach_type = BPF_SK_LOOKUP,
+},
+{
+	"invalid 4-byte write past end of bpf_sk_lookup",
+	.insns = {
+		BPF_MOV64_IMM(BPF_REG_0, 0xcafe4a11U),
+		BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_0,
+			    sizeof(struct bpf_sk_lookup)),
+		BPF_MOV32_IMM(BPF_REG_0, 0),
+		BPF_EXIT_INSN(),
+	},
+	.errstr = "invalid bpf_context access",
+	.result = REJECT,
+	.prog_type = BPF_PROG_TYPE_SK_LOOKUP,
+	.expected_attach_type = BPF_SK_LOOKUP,
+},
diff --git a/tools/testing/selftests/bpf/verifier/ctx_sk_msg.c b/tools/testing/selftests/bpf/verifier/ctx_sk_msg.c
new file mode 100644
index 000000000..c6c69220a
--- /dev/null
+++ b/tools/testing/selftests/bpf/verifier/ctx_sk_msg.c
@@ -0,0 +1,181 @@
+{
+	"valid access family in SK_MSG",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+		    offsetof(struct sk_msg_md, family)),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_SK_MSG,
+},
+{
+	"valid access remote_ip4 in SK_MSG",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+		    offsetof(struct sk_msg_md, remote_ip4)),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_SK_MSG,
+},
+{
+	"valid access local_ip4 in SK_MSG",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+		    offsetof(struct sk_msg_md, local_ip4)),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_SK_MSG,
+},
+{
+	"valid access remote_port in SK_MSG",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+		    offsetof(struct sk_msg_md, remote_port)),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_SK_MSG,
+},
+{
+	"valid access local_port in SK_MSG",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+		    offsetof(struct sk_msg_md, local_port)),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_SK_MSG,
+},
+{
+	"valid access remote_ip6 in SK_MSG",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+		    offsetof(struct sk_msg_md, remote_ip6[0])),
+	BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+		    offsetof(struct sk_msg_md, remote_ip6[1])),
+	BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+		    offsetof(struct sk_msg_md, remote_ip6[2])),
+	BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+		    offsetof(struct sk_msg_md, remote_ip6[3])),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_SK_SKB,
+},
+{
+	"valid access local_ip6 in SK_MSG",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+		    offsetof(struct sk_msg_md, local_ip6[0])),
+	BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+		    offsetof(struct sk_msg_md, local_ip6[1])),
+	BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+		    offsetof(struct sk_msg_md, local_ip6[2])),
+	BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+		    offsetof(struct sk_msg_md, local_ip6[3])),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_SK_SKB,
+},
+{
+	"valid access size in SK_MSG",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+		    offsetof(struct sk_msg_md, size)),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_SK_MSG,
+},
+{
+	"invalid 64B read of size in SK_MSG",
+	.insns = {
+	BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_1,
+		    offsetof(struct sk_msg_md, size)),
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "invalid bpf_context access",
+	.result = REJECT,
+	.prog_type = BPF_PROG_TYPE_SK_MSG,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"invalid read past end of SK_MSG",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+		    offsetof(struct sk_msg_md, size) + 4),
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "invalid bpf_context access",
+	.result = REJECT,
+	.prog_type = BPF_PROG_TYPE_SK_MSG,
+},
+{
+	"invalid read offset in SK_MSG",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+		    offsetof(struct sk_msg_md, family) + 1),
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "invalid bpf_context access",
+	.result = REJECT,
+	.prog_type = BPF_PROG_TYPE_SK_MSG,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"direct packet read for SK_MSG",
+	.insns = {
+	BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_1,
+		    offsetof(struct sk_msg_md, data)),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_3, BPF_REG_1,
+		    offsetof(struct sk_msg_md, data_end)),
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8),
+	BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 1),
+	BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_2, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_SK_MSG,
+},
+{
+	"direct packet write for SK_MSG",
+	.insns = {
+	BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_1,
+		    offsetof(struct sk_msg_md, data)),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_3, BPF_REG_1,
+		    offsetof(struct sk_msg_md, data_end)),
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8),
+	BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 1),
+	BPF_STX_MEM(BPF_B, BPF_REG_2, BPF_REG_2, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_SK_MSG,
+},
+{
+	"overlapping checks for direct packet access SK_MSG",
+	.insns = {
+	BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_1,
+		    offsetof(struct sk_msg_md, data)),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_3, BPF_REG_1,
+		    offsetof(struct sk_msg_md, data_end)),
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8),
+	BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 4),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 6),
+	BPF_JMP_REG(BPF_JGT, BPF_REG_1, BPF_REG_3, 1),
+	BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_2, 6),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_SK_MSG,
+},
diff --git a/tools/testing/selftests/bpf/verifier/ctx_skb.c b/tools/testing/selftests/bpf/verifier/ctx_skb.c
new file mode 100644
index 000000000..83cecfbd6
--- /dev/null
+++ b/tools/testing/selftests/bpf/verifier/ctx_skb.c
@@ -0,0 +1,1193 @@
+{
+	"access skb fields ok",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+		    offsetof(struct __sk_buff, len)),
+	BPF_JMP_IMM(BPF_JGE, BPF_REG_0, 0, 1),
+	BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+		    offsetof(struct __sk_buff, mark)),
+	BPF_JMP_IMM(BPF_JGE, BPF_REG_0, 0, 1),
+	BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+		    offsetof(struct __sk_buff, pkt_type)),
+	BPF_JMP_IMM(BPF_JGE, BPF_REG_0, 0, 1),
+	BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+		    offsetof(struct __sk_buff, queue_mapping)),
+	BPF_JMP_IMM(BPF_JGE, BPF_REG_0, 0, 0),
+	BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+		    offsetof(struct __sk_buff, protocol)),
+	BPF_JMP_IMM(BPF_JGE, BPF_REG_0, 0, 0),
+	BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+		    offsetof(struct __sk_buff, vlan_present)),
+	BPF_JMP_IMM(BPF_JGE, BPF_REG_0, 0, 0),
+	BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+		    offsetof(struct __sk_buff, vlan_tci)),
+	BPF_JMP_IMM(BPF_JGE, BPF_REG_0, 0, 0),
+	BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+		    offsetof(struct __sk_buff, napi_id)),
+	BPF_JMP_IMM(BPF_JGE, BPF_REG_0, 0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+},
+{
+	"access skb fields bad1",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, -4),
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "invalid bpf_context access",
+	.result = REJECT,
+},
+{
+	"access skb fields bad2",
+	.insns = {
+	BPF_JMP_IMM(BPF_JGE, BPF_REG_1, 0, 9),
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
+	BPF_EXIT_INSN(),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+	BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+		    offsetof(struct __sk_buff, pkt_type)),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_8b = { 4 },
+	.errstr = "different pointers",
+	.errstr_unpriv = "R1 pointer comparison",
+	.result = REJECT,
+},
+{
+	"access skb fields bad3",
+	.insns = {
+	BPF_JMP_IMM(BPF_JGE, BPF_REG_1, 0, 2),
+	BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+		    offsetof(struct __sk_buff, pkt_type)),
+	BPF_EXIT_INSN(),
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
+	BPF_EXIT_INSN(),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+	BPF_JMP_IMM(BPF_JA, 0, 0, -12),
+	},
+	.fixup_map_hash_8b = { 6 },
+	.errstr = "different pointers",
+	.errstr_unpriv = "R1 pointer comparison",
+	.result = REJECT,
+},
+{
+	"access skb fields bad4",
+	.insns = {
+	BPF_JMP_IMM(BPF_JGE, BPF_REG_1, 0, 3),
+	BPF_LDX_MEM(BPF_W, BPF_REG_1, BPF_REG_1,
+		    offsetof(struct __sk_buff, len)),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
+	BPF_EXIT_INSN(),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+	BPF_JMP_IMM(BPF_JA, 0, 0, -13),
+	},
+	.fixup_map_hash_8b = { 7 },
+	.errstr = "different pointers",
+	.errstr_unpriv = "R1 pointer comparison",
+	.result = REJECT,
+},
+{
+	"invalid access __sk_buff family",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+		    offsetof(struct __sk_buff, family)),
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "invalid bpf_context access",
+	.result = REJECT,
+},
+{
+	"invalid access __sk_buff remote_ip4",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+		    offsetof(struct __sk_buff, remote_ip4)),
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "invalid bpf_context access",
+	.result = REJECT,
+},
+{
+	"invalid access __sk_buff local_ip4",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+		    offsetof(struct __sk_buff, local_ip4)),
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "invalid bpf_context access",
+	.result = REJECT,
+},
+{
+	"invalid access __sk_buff remote_ip6",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+		    offsetof(struct __sk_buff, remote_ip6)),
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "invalid bpf_context access",
+	.result = REJECT,
+},
+{
+	"invalid access __sk_buff local_ip6",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+		    offsetof(struct __sk_buff, local_ip6)),
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "invalid bpf_context access",
+	.result = REJECT,
+},
+{
+	"invalid access __sk_buff remote_port",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+		    offsetof(struct __sk_buff, remote_port)),
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "invalid bpf_context access",
+	.result = REJECT,
+},
+{
+	"invalid access __sk_buff remote_port",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+		    offsetof(struct __sk_buff, local_port)),
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "invalid bpf_context access",
+	.result = REJECT,
+},
+{
+	"valid access __sk_buff family",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+		    offsetof(struct __sk_buff, family)),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_SK_SKB,
+},
+{
+	"valid access __sk_buff remote_ip4",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+		    offsetof(struct __sk_buff, remote_ip4)),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_SK_SKB,
+},
+{
+	"valid access __sk_buff local_ip4",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+		    offsetof(struct __sk_buff, local_ip4)),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_SK_SKB,
+},
+{
+	"valid access __sk_buff remote_ip6",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+		    offsetof(struct __sk_buff, remote_ip6[0])),
+	BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+		    offsetof(struct __sk_buff, remote_ip6[1])),
+	BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+		    offsetof(struct __sk_buff, remote_ip6[2])),
+	BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+		    offsetof(struct __sk_buff, remote_ip6[3])),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_SK_SKB,
+},
+{
+	"valid access __sk_buff local_ip6",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+		    offsetof(struct __sk_buff, local_ip6[0])),
+	BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+		    offsetof(struct __sk_buff, local_ip6[1])),
+	BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+		    offsetof(struct __sk_buff, local_ip6[2])),
+	BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+		    offsetof(struct __sk_buff, local_ip6[3])),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_SK_SKB,
+},
+{
+	"valid access __sk_buff remote_port",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+		    offsetof(struct __sk_buff, remote_port)),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_SK_SKB,
+},
+{
+	"valid access __sk_buff remote_port",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+		    offsetof(struct __sk_buff, local_port)),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_SK_SKB,
+},
+{
+	"invalid access of tc_classid for SK_SKB",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+		    offsetof(struct __sk_buff, tc_classid)),
+	BPF_EXIT_INSN(),
+	},
+	.result = REJECT,
+	.prog_type = BPF_PROG_TYPE_SK_SKB,
+	.errstr = "invalid bpf_context access",
+},
+{
+	"invalid access of skb->mark for SK_SKB",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+		    offsetof(struct __sk_buff, mark)),
+	BPF_EXIT_INSN(),
+	},
+	.result =  REJECT,
+	.prog_type = BPF_PROG_TYPE_SK_SKB,
+	.errstr = "invalid bpf_context access",
+},
+{
+	"check skb->mark is not writeable by SK_SKB",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_0,
+		    offsetof(struct __sk_buff, mark)),
+	BPF_EXIT_INSN(),
+	},
+	.result =  REJECT,
+	.prog_type = BPF_PROG_TYPE_SK_SKB,
+	.errstr = "invalid bpf_context access",
+},
+{
+	"check skb->tc_index is writeable by SK_SKB",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_0,
+		    offsetof(struct __sk_buff, tc_index)),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_SK_SKB,
+},
+{
+	"check skb->priority is writeable by SK_SKB",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_0,
+		    offsetof(struct __sk_buff, priority)),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_SK_SKB,
+},
+{
+	"direct packet read for SK_SKB",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+		    offsetof(struct __sk_buff, data)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+		    offsetof(struct __sk_buff, data_end)),
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8),
+	BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 1),
+	BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_2, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_SK_SKB,
+},
+{
+	"direct packet write for SK_SKB",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+		    offsetof(struct __sk_buff, data)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+		    offsetof(struct __sk_buff, data_end)),
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8),
+	BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 1),
+	BPF_STX_MEM(BPF_B, BPF_REG_2, BPF_REG_2, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_SK_SKB,
+},
+{
+	"overlapping checks for direct packet access SK_SKB",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+		    offsetof(struct __sk_buff, data)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+		    offsetof(struct __sk_buff, data_end)),
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8),
+	BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 4),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 6),
+	BPF_JMP_REG(BPF_JGT, BPF_REG_1, BPF_REG_3, 1),
+	BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_2, 6),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_SK_SKB,
+},
+{
+	"check skb->mark is not writeable by sockets",
+	.insns = {
+	BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_1,
+		    offsetof(struct __sk_buff, mark)),
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "invalid bpf_context access",
+	.errstr_unpriv = "R1 leaks addr",
+	.result = REJECT,
+},
+{
+	"check skb->tc_index is not writeable by sockets",
+	.insns = {
+	BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_1,
+		    offsetof(struct __sk_buff, tc_index)),
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "invalid bpf_context access",
+	.errstr_unpriv = "R1 leaks addr",
+	.result = REJECT,
+},
+{
+	"check cb access: byte",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_STX_MEM(BPF_B, BPF_REG_1, BPF_REG_0,
+		    offsetof(struct __sk_buff, cb[0])),
+	BPF_STX_MEM(BPF_B, BPF_REG_1, BPF_REG_0,
+		    offsetof(struct __sk_buff, cb[0]) + 1),
+	BPF_STX_MEM(BPF_B, BPF_REG_1, BPF_REG_0,
+		    offsetof(struct __sk_buff, cb[0]) + 2),
+	BPF_STX_MEM(BPF_B, BPF_REG_1, BPF_REG_0,
+		    offsetof(struct __sk_buff, cb[0]) + 3),
+	BPF_STX_MEM(BPF_B, BPF_REG_1, BPF_REG_0,
+		    offsetof(struct __sk_buff, cb[1])),
+	BPF_STX_MEM(BPF_B, BPF_REG_1, BPF_REG_0,
+		    offsetof(struct __sk_buff, cb[1]) + 1),
+	BPF_STX_MEM(BPF_B, BPF_REG_1, BPF_REG_0,
+		    offsetof(struct __sk_buff, cb[1]) + 2),
+	BPF_STX_MEM(BPF_B, BPF_REG_1, BPF_REG_0,
+		    offsetof(struct __sk_buff, cb[1]) + 3),
+	BPF_STX_MEM(BPF_B, BPF_REG_1, BPF_REG_0,
+		    offsetof(struct __sk_buff, cb[2])),
+	BPF_STX_MEM(BPF_B, BPF_REG_1, BPF_REG_0,
+		    offsetof(struct __sk_buff, cb[2]) + 1),
+	BPF_STX_MEM(BPF_B, BPF_REG_1, BPF_REG_0,
+		    offsetof(struct __sk_buff, cb[2]) + 2),
+	BPF_STX_MEM(BPF_B, BPF_REG_1, BPF_REG_0,
+		    offsetof(struct __sk_buff, cb[2]) + 3),
+	BPF_STX_MEM(BPF_B, BPF_REG_1, BPF_REG_0,
+		    offsetof(struct __sk_buff, cb[3])),
+	BPF_STX_MEM(BPF_B, BPF_REG_1, BPF_REG_0,
+		    offsetof(struct __sk_buff, cb[3]) + 1),
+	BPF_STX_MEM(BPF_B, BPF_REG_1, BPF_REG_0,
+		    offsetof(struct __sk_buff, cb[3]) + 2),
+	BPF_STX_MEM(BPF_B, BPF_REG_1, BPF_REG_0,
+		    offsetof(struct __sk_buff, cb[3]) + 3),
+	BPF_STX_MEM(BPF_B, BPF_REG_1, BPF_REG_0,
+		    offsetof(struct __sk_buff, cb[4])),
+	BPF_STX_MEM(BPF_B, BPF_REG_1, BPF_REG_0,
+		    offsetof(struct __sk_buff, cb[4]) + 1),
+	BPF_STX_MEM(BPF_B, BPF_REG_1, BPF_REG_0,
+		    offsetof(struct __sk_buff, cb[4]) + 2),
+	BPF_STX_MEM(BPF_B, BPF_REG_1, BPF_REG_0,
+		    offsetof(struct __sk_buff, cb[4]) + 3),
+	BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
+		    offsetof(struct __sk_buff, cb[0])),
+	BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
+		    offsetof(struct __sk_buff, cb[0]) + 1),
+	BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
+		    offsetof(struct __sk_buff, cb[0]) + 2),
+	BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
+		    offsetof(struct __sk_buff, cb[0]) + 3),
+	BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
+		    offsetof(struct __sk_buff, cb[1])),
+	BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
+		    offsetof(struct __sk_buff, cb[1]) + 1),
+	BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
+		    offsetof(struct __sk_buff, cb[1]) + 2),
+	BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
+		    offsetof(struct __sk_buff, cb[1]) + 3),
+	BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
+		    offsetof(struct __sk_buff, cb[2])),
+	BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
+		    offsetof(struct __sk_buff, cb[2]) + 1),
+	BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
+		    offsetof(struct __sk_buff, cb[2]) + 2),
+	BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
+		    offsetof(struct __sk_buff, cb[2]) + 3),
+	BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
+		    offsetof(struct __sk_buff, cb[3])),
+	BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
+		    offsetof(struct __sk_buff, cb[3]) + 1),
+	BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
+		    offsetof(struct __sk_buff, cb[3]) + 2),
+	BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
+		    offsetof(struct __sk_buff, cb[3]) + 3),
+	BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
+		    offsetof(struct __sk_buff, cb[4])),
+	BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
+		    offsetof(struct __sk_buff, cb[4]) + 1),
+	BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
+		    offsetof(struct __sk_buff, cb[4]) + 2),
+	BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
+		    offsetof(struct __sk_buff, cb[4]) + 3),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+},
+{
+	"__sk_buff->hash, offset 0, byte store not permitted",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_STX_MEM(BPF_B, BPF_REG_1, BPF_REG_0,
+		    offsetof(struct __sk_buff, hash)),
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "invalid bpf_context access",
+	.result = REJECT,
+},
+{
+	"__sk_buff->tc_index, offset 3, byte store not permitted",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_STX_MEM(BPF_B, BPF_REG_1, BPF_REG_0,
+		    offsetof(struct __sk_buff, tc_index) + 3),
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "invalid bpf_context access",
+	.result = REJECT,
+},
+{
+	"check skb->hash byte load permitted",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+#if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
+	BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
+		    offsetof(struct __sk_buff, hash)),
+#else
+	BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
+		    offsetof(struct __sk_buff, hash) + 3),
+#endif
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+},
+{
+	"check skb->hash byte load permitted 1",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
+		    offsetof(struct __sk_buff, hash) + 1),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+},
+{
+	"check skb->hash byte load permitted 2",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
+		    offsetof(struct __sk_buff, hash) + 2),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+},
+{
+	"check skb->hash byte load permitted 3",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+#if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
+	BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
+		    offsetof(struct __sk_buff, hash) + 3),
+#else
+	BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
+		    offsetof(struct __sk_buff, hash)),
+#endif
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+},
+{
+	"check cb access: byte, wrong type",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_STX_MEM(BPF_B, BPF_REG_1, BPF_REG_0,
+		    offsetof(struct __sk_buff, cb[0])),
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "invalid bpf_context access",
+	.result = REJECT,
+	.prog_type = BPF_PROG_TYPE_CGROUP_SOCK,
+},
+{
+	"check cb access: half",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_STX_MEM(BPF_H, BPF_REG_1, BPF_REG_0,
+		    offsetof(struct __sk_buff, cb[0])),
+	BPF_STX_MEM(BPF_H, BPF_REG_1, BPF_REG_0,
+		    offsetof(struct __sk_buff, cb[0]) + 2),
+	BPF_STX_MEM(BPF_H, BPF_REG_1, BPF_REG_0,
+		    offsetof(struct __sk_buff, cb[1])),
+	BPF_STX_MEM(BPF_H, BPF_REG_1, BPF_REG_0,
+		    offsetof(struct __sk_buff, cb[1]) + 2),
+	BPF_STX_MEM(BPF_H, BPF_REG_1, BPF_REG_0,
+		    offsetof(struct __sk_buff, cb[2])),
+	BPF_STX_MEM(BPF_H, BPF_REG_1, BPF_REG_0,
+		    offsetof(struct __sk_buff, cb[2]) + 2),
+	BPF_STX_MEM(BPF_H, BPF_REG_1, BPF_REG_0,
+		    offsetof(struct __sk_buff, cb[3])),
+	BPF_STX_MEM(BPF_H, BPF_REG_1, BPF_REG_0,
+		    offsetof(struct __sk_buff, cb[3]) + 2),
+	BPF_STX_MEM(BPF_H, BPF_REG_1, BPF_REG_0,
+		    offsetof(struct __sk_buff, cb[4])),
+	BPF_STX_MEM(BPF_H, BPF_REG_1, BPF_REG_0,
+		    offsetof(struct __sk_buff, cb[4]) + 2),
+	BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1,
+		    offsetof(struct __sk_buff, cb[0])),
+	BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1,
+		    offsetof(struct __sk_buff, cb[0]) + 2),
+	BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1,
+		    offsetof(struct __sk_buff, cb[1])),
+	BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1,
+		    offsetof(struct __sk_buff, cb[1]) + 2),
+	BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1,
+		    offsetof(struct __sk_buff, cb[2])),
+	BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1,
+		    offsetof(struct __sk_buff, cb[2]) + 2),
+	BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1,
+		    offsetof(struct __sk_buff, cb[3])),
+	BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1,
+		    offsetof(struct __sk_buff, cb[3]) + 2),
+	BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1,
+		    offsetof(struct __sk_buff, cb[4])),
+	BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1,
+		    offsetof(struct __sk_buff, cb[4]) + 2),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+},
+{
+	"check cb access: half, unaligned",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_STX_MEM(BPF_H, BPF_REG_1, BPF_REG_0,
+		    offsetof(struct __sk_buff, cb[0]) + 1),
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "misaligned context access",
+	.result = REJECT,
+	.flags = F_LOAD_WITH_STRICT_ALIGNMENT,
+},
+{
+	"check __sk_buff->hash, offset 0, half store not permitted",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_STX_MEM(BPF_H, BPF_REG_1, BPF_REG_0,
+		    offsetof(struct __sk_buff, hash)),
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "invalid bpf_context access",
+	.result = REJECT,
+},
+{
+	"check __sk_buff->tc_index, offset 2, half store not permitted",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_STX_MEM(BPF_H, BPF_REG_1, BPF_REG_0,
+		    offsetof(struct __sk_buff, tc_index) + 2),
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "invalid bpf_context access",
+	.result = REJECT,
+},
+{
+	"check skb->hash half load permitted",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+#if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
+	BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1,
+		    offsetof(struct __sk_buff, hash)),
+#else
+	BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1,
+		    offsetof(struct __sk_buff, hash) + 2),
+#endif
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+},
+{
+	"check skb->hash half load permitted 2",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+#if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
+	BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1,
+		    offsetof(struct __sk_buff, hash) + 2),
+#else
+	BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1,
+		    offsetof(struct __sk_buff, hash)),
+#endif
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+},
+{
+	"check skb->hash half load not permitted, unaligned 1",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+#if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
+	BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1,
+		    offsetof(struct __sk_buff, hash) + 1),
+#else
+	BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1,
+		    offsetof(struct __sk_buff, hash) + 3),
+#endif
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "invalid bpf_context access",
+	.result = REJECT,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"check skb->hash half load not permitted, unaligned 3",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+#if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
+	BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1,
+		    offsetof(struct __sk_buff, hash) + 3),
+#else
+	BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1,
+		    offsetof(struct __sk_buff, hash) + 1),
+#endif
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "invalid bpf_context access",
+	.result = REJECT,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"check cb access: half, wrong type",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_STX_MEM(BPF_H, BPF_REG_1, BPF_REG_0,
+		    offsetof(struct __sk_buff, cb[0])),
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "invalid bpf_context access",
+	.result = REJECT,
+	.prog_type = BPF_PROG_TYPE_CGROUP_SOCK,
+},
+{
+	"check cb access: word",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_0,
+		    offsetof(struct __sk_buff, cb[0])),
+	BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_0,
+		    offsetof(struct __sk_buff, cb[1])),
+	BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_0,
+		    offsetof(struct __sk_buff, cb[2])),
+	BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_0,
+		    offsetof(struct __sk_buff, cb[3])),
+	BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_0,
+		    offsetof(struct __sk_buff, cb[4])),
+	BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+		    offsetof(struct __sk_buff, cb[0])),
+	BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+		    offsetof(struct __sk_buff, cb[1])),
+	BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+		    offsetof(struct __sk_buff, cb[2])),
+	BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+		    offsetof(struct __sk_buff, cb[3])),
+	BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+		    offsetof(struct __sk_buff, cb[4])),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+},
+{
+	"check cb access: word, unaligned 1",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_0,
+		    offsetof(struct __sk_buff, cb[0]) + 2),
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "misaligned context access",
+	.result = REJECT,
+	.flags = F_LOAD_WITH_STRICT_ALIGNMENT,
+},
+{
+	"check cb access: word, unaligned 2",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_0,
+		    offsetof(struct __sk_buff, cb[4]) + 1),
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "misaligned context access",
+	.result = REJECT,
+	.flags = F_LOAD_WITH_STRICT_ALIGNMENT,
+},
+{
+	"check cb access: word, unaligned 3",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_0,
+		    offsetof(struct __sk_buff, cb[4]) + 2),
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "misaligned context access",
+	.result = REJECT,
+	.flags = F_LOAD_WITH_STRICT_ALIGNMENT,
+},
+{
+	"check cb access: word, unaligned 4",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_0,
+		    offsetof(struct __sk_buff, cb[4]) + 3),
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "misaligned context access",
+	.result = REJECT,
+	.flags = F_LOAD_WITH_STRICT_ALIGNMENT,
+},
+{
+	"check cb access: double",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_STX_MEM(BPF_DW, BPF_REG_1, BPF_REG_0,
+		    offsetof(struct __sk_buff, cb[0])),
+	BPF_STX_MEM(BPF_DW, BPF_REG_1, BPF_REG_0,
+		    offsetof(struct __sk_buff, cb[2])),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1,
+		    offsetof(struct __sk_buff, cb[0])),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1,
+		    offsetof(struct __sk_buff, cb[2])),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+},
+{
+	"check cb access: double, unaligned 1",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_STX_MEM(BPF_DW, BPF_REG_1, BPF_REG_0,
+		    offsetof(struct __sk_buff, cb[1])),
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "misaligned context access",
+	.result = REJECT,
+	.flags = F_LOAD_WITH_STRICT_ALIGNMENT,
+},
+{
+	"check cb access: double, unaligned 2",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_STX_MEM(BPF_DW, BPF_REG_1, BPF_REG_0,
+		    offsetof(struct __sk_buff, cb[3])),
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "misaligned context access",
+	.result = REJECT,
+	.flags = F_LOAD_WITH_STRICT_ALIGNMENT,
+},
+{
+	"check cb access: double, oob 1",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_STX_MEM(BPF_DW, BPF_REG_1, BPF_REG_0,
+		    offsetof(struct __sk_buff, cb[4])),
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "invalid bpf_context access",
+	.result = REJECT,
+},
+{
+	"check cb access: double, oob 2",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1,
+		    offsetof(struct __sk_buff, cb[4])),
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "invalid bpf_context access",
+	.result = REJECT,
+},
+{
+	"check __sk_buff->ifindex dw store not permitted",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_STX_MEM(BPF_DW, BPF_REG_1, BPF_REG_0,
+		    offsetof(struct __sk_buff, ifindex)),
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "invalid bpf_context access",
+	.result = REJECT,
+},
+{
+	"check __sk_buff->ifindex dw load not permitted",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1,
+		    offsetof(struct __sk_buff, ifindex)),
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "invalid bpf_context access",
+	.result = REJECT,
+},
+{
+	"check cb access: double, wrong type",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_STX_MEM(BPF_DW, BPF_REG_1, BPF_REG_0,
+		    offsetof(struct __sk_buff, cb[0])),
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "invalid bpf_context access",
+	.result = REJECT,
+	.prog_type = BPF_PROG_TYPE_CGROUP_SOCK,
+},
+{
+	"check out of range skb->cb access",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+		    offsetof(struct __sk_buff, cb[0]) + 256),
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "invalid bpf_context access",
+	.errstr_unpriv = "",
+	.result = REJECT,
+	.prog_type = BPF_PROG_TYPE_SCHED_ACT,
+},
+{
+	"write skb fields from socket prog",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+		    offsetof(struct __sk_buff, cb[4])),
+	BPF_JMP_IMM(BPF_JGE, BPF_REG_0, 0, 1),
+	BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+		    offsetof(struct __sk_buff, mark)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+		    offsetof(struct __sk_buff, tc_index)),
+	BPF_JMP_IMM(BPF_JGE, BPF_REG_0, 0, 1),
+	BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_1,
+		    offsetof(struct __sk_buff, cb[0])),
+	BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_1,
+		    offsetof(struct __sk_buff, cb[2])),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.errstr_unpriv = "R1 leaks addr",
+	.result_unpriv = REJECT,
+},
+{
+	"write skb fields from tc_cls_act prog",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+		    offsetof(struct __sk_buff, cb[0])),
+	BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_0,
+		    offsetof(struct __sk_buff, mark)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+		    offsetof(struct __sk_buff, tc_index)),
+	BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_0,
+		    offsetof(struct __sk_buff, tc_index)),
+	BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_0,
+		    offsetof(struct __sk_buff, cb[3])),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1,
+		    offsetof(struct __sk_buff, tstamp)),
+	BPF_STX_MEM(BPF_DW, BPF_REG_1, BPF_REG_0,
+		    offsetof(struct __sk_buff, tstamp)),
+	BPF_EXIT_INSN(),
+	},
+	.errstr_unpriv = "",
+	.result_unpriv = REJECT,
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+},
+{
+	"check skb->data half load not permitted",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+#if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
+	BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1,
+		    offsetof(struct __sk_buff, data)),
+#else
+	BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1,
+		    offsetof(struct __sk_buff, data) + 2),
+#endif
+	BPF_EXIT_INSN(),
+	},
+	.result = REJECT,
+	.errstr = "invalid bpf_context access",
+},
+{
+	"read gso_segs from CGROUP_SKB",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+		    offsetof(struct __sk_buff, gso_segs)),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_CGROUP_SKB,
+},
+{
+	"read gso_segs from CGROUP_SKB",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_1, BPF_REG_1,
+		    offsetof(struct __sk_buff, gso_segs)),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_CGROUP_SKB,
+},
+{
+	"write gso_segs from CGROUP_SKB",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_0,
+		    offsetof(struct __sk_buff, gso_segs)),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = REJECT,
+	.result_unpriv = REJECT,
+	.errstr = "invalid bpf_context access off=164 size=4",
+	.prog_type = BPF_PROG_TYPE_CGROUP_SKB,
+},
+{
+	"read gso_segs from CLS",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+		    offsetof(struct __sk_buff, gso_segs)),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+},
+{
+	"read gso_size from CGROUP_SKB",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+		    offsetof(struct __sk_buff, gso_size)),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_CGROUP_SKB,
+},
+{
+	"read gso_size from CGROUP_SKB",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_1, BPF_REG_1,
+		    offsetof(struct __sk_buff, gso_size)),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_CGROUP_SKB,
+},
+{
+	"write gso_size from CGROUP_SKB",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_0,
+		    offsetof(struct __sk_buff, gso_size)),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = REJECT,
+	.result_unpriv = REJECT,
+	.errstr = "invalid bpf_context access off=176 size=4",
+	.prog_type = BPF_PROG_TYPE_CGROUP_SKB,
+},
+{
+	"read gso_size from CLS",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+		    offsetof(struct __sk_buff, gso_size)),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+},
+{
+	"padding after gso_size is not accessible",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+		    offsetofend(struct __sk_buff, gso_size)),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = REJECT,
+	.result_unpriv = REJECT,
+	.errstr = "invalid bpf_context access off=180 size=4",
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+},
+{
+	"read hwtstamp from CGROUP_SKB",
+	.insns = {
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1,
+		    offsetof(struct __sk_buff, hwtstamp)),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_CGROUP_SKB,
+},
+{
+	"read hwtstamp from CGROUP_SKB",
+	.insns = {
+	BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_1,
+		    offsetof(struct __sk_buff, hwtstamp)),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_CGROUP_SKB,
+},
+{
+	"write hwtstamp from CGROUP_SKB",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_STX_MEM(BPF_DW, BPF_REG_1, BPF_REG_0,
+		    offsetof(struct __sk_buff, hwtstamp)),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = REJECT,
+	.result_unpriv = REJECT,
+	.errstr = "invalid bpf_context access off=184 size=8",
+	.prog_type = BPF_PROG_TYPE_CGROUP_SKB,
+},
+{
+	"read hwtstamp from CLS",
+	.insns = {
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1,
+		    offsetof(struct __sk_buff, hwtstamp)),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+},
+{
+	"check wire_len is not readable by sockets",
+	.insns = {
+		BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+			    offsetof(struct __sk_buff, wire_len)),
+		BPF_EXIT_INSN(),
+	},
+	.errstr = "invalid bpf_context access",
+	.result = REJECT,
+},
+{
+	"check wire_len is readable by tc classifier",
+	.insns = {
+		BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+			    offsetof(struct __sk_buff, wire_len)),
+		BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.result = ACCEPT,
+},
+{
+	"check wire_len is not writable by tc classifier",
+	.insns = {
+		BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_1,
+			    offsetof(struct __sk_buff, wire_len)),
+		BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.errstr = "invalid bpf_context access",
+	.errstr_unpriv = "R1 leaks addr",
+	.result = REJECT,
+},
+{
+       "pkt > pkt_end taken check",
+       .insns = {
+       BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,                //  0. r2 = *(u32 *)(r1 + data_end)
+                   offsetof(struct __sk_buff, data_end)),
+       BPF_LDX_MEM(BPF_W, BPF_REG_4, BPF_REG_1,                //  1. r4 = *(u32 *)(r1 + data)
+                   offsetof(struct __sk_buff, data)),
+       BPF_MOV64_REG(BPF_REG_3, BPF_REG_4),                    //  2. r3 = r4
+       BPF_ALU64_IMM(BPF_ADD, BPF_REG_3, 42),                  //  3. r3 += 42
+       BPF_MOV64_IMM(BPF_REG_1, 0),                            //  4. r1 = 0
+       BPF_JMP_REG(BPF_JGT, BPF_REG_3, BPF_REG_2, 2),          //  5. if r3 > r2 goto 8
+       BPF_ALU64_IMM(BPF_ADD, BPF_REG_4, 14),                  //  6. r4 += 14
+       BPF_MOV64_REG(BPF_REG_1, BPF_REG_4),                    //  7. r1 = r4
+       BPF_JMP_REG(BPF_JGT, BPF_REG_3, BPF_REG_2, 1),          //  8. if r3 > r2 goto 10
+       BPF_LDX_MEM(BPF_H, BPF_REG_2, BPF_REG_1, 9),            //  9. r2 = *(u8 *)(r1 + 9)
+       BPF_MOV64_IMM(BPF_REG_0, 0),                            // 10. r0 = 0
+       BPF_EXIT_INSN(),                                        // 11. exit
+       },
+       .result = ACCEPT,
+       .prog_type = BPF_PROG_TYPE_SK_SKB,
+},
+{
+       "pkt_end < pkt taken check",
+       .insns = {
+       BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,                //  0. r2 = *(u32 *)(r1 + data_end)
+                   offsetof(struct __sk_buff, data_end)),
+       BPF_LDX_MEM(BPF_W, BPF_REG_4, BPF_REG_1,                //  1. r4 = *(u32 *)(r1 + data)
+                   offsetof(struct __sk_buff, data)),
+       BPF_MOV64_REG(BPF_REG_3, BPF_REG_4),                    //  2. r3 = r4
+       BPF_ALU64_IMM(BPF_ADD, BPF_REG_3, 42),                  //  3. r3 += 42
+       BPF_MOV64_IMM(BPF_REG_1, 0),                            //  4. r1 = 0
+       BPF_JMP_REG(BPF_JGT, BPF_REG_3, BPF_REG_2, 2),          //  5. if r3 > r2 goto 8
+       BPF_ALU64_IMM(BPF_ADD, BPF_REG_4, 14),                  //  6. r4 += 14
+       BPF_MOV64_REG(BPF_REG_1, BPF_REG_4),                    //  7. r1 = r4
+       BPF_JMP_REG(BPF_JLT, BPF_REG_2, BPF_REG_3, 1),          //  8. if r2 < r3 goto 10
+       BPF_LDX_MEM(BPF_H, BPF_REG_2, BPF_REG_1, 9),            //  9. r2 = *(u8 *)(r1 + 9)
+       BPF_MOV64_IMM(BPF_REG_0, 0),                            // 10. r0 = 0
+       BPF_EXIT_INSN(),                                        // 11. exit
+       },
+       .result = ACCEPT,
+       .prog_type = BPF_PROG_TYPE_SK_SKB,
+},
diff --git a/tools/testing/selftests/bpf/verifier/d_path.c b/tools/testing/selftests/bpf/verifier/d_path.c
new file mode 100644
index 000000000..b98839637
--- /dev/null
+++ b/tools/testing/selftests/bpf/verifier/d_path.c
@@ -0,0 +1,37 @@
+{
+	"d_path accept",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_1, BPF_REG_1, 0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_MOV64_IMM(BPF_REG_6, 0),
+	BPF_STX_MEM(BPF_DW, BPF_REG_2, BPF_REG_6, 0),
+	BPF_LD_IMM64(BPF_REG_3, 8),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_d_path),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_TRACING,
+	.expected_attach_type = BPF_TRACE_FENTRY,
+	.kfunc = "dentry_open",
+},
+{
+	"d_path reject",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_1, BPF_REG_1, 0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_MOV64_IMM(BPF_REG_6, 0),
+	BPF_STX_MEM(BPF_DW, BPF_REG_2, BPF_REG_6, 0),
+	BPF_LD_IMM64(BPF_REG_3, 8),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_d_path),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "helper call is not allowed in probe",
+	.result = REJECT,
+	.prog_type = BPF_PROG_TYPE_TRACING,
+	.expected_attach_type = BPF_TRACE_FENTRY,
+	.kfunc = "d_path",
+},
diff --git a/tools/testing/selftests/bpf/verifier/dead_code.c b/tools/testing/selftests/bpf/verifier/dead_code.c
new file mode 100644
index 000000000..ee454327e
--- /dev/null
+++ b/tools/testing/selftests/bpf/verifier/dead_code.c
@@ -0,0 +1,173 @@
+{
+	"dead code: start",
+	.insns = {
+	BPF_JMP_IMM(BPF_JA, 0, 0, 2),
+	BPF_LDX_MEM(BPF_B, BPF_REG_8, BPF_REG_9, 0),
+	BPF_JMP_IMM(BPF_JA, 0, 0, 2),
+	BPF_MOV64_IMM(BPF_REG_0, 7),
+	BPF_JMP_IMM(BPF_JGE, BPF_REG_0, 10, -4),
+	BPF_EXIT_INSN(),
+	},
+	.errstr_unpriv = "R9 !read_ok",
+	.result_unpriv = REJECT,
+	.result = ACCEPT,
+	.retval = 7,
+},
+{
+	"dead code: mid 1",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_0, 7),
+	BPF_JMP_IMM(BPF_JGE, BPF_REG_0, 0, 1),
+	BPF_JMP_IMM(BPF_JGE, BPF_REG_0, 10, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.retval = 7,
+},
+{
+	"dead code: mid 2",
+	.insns = {
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_prandom_u32),
+	BPF_JMP_IMM(BPF_JSET, BPF_REG_0, 1, 4),
+	BPF_JMP_IMM(BPF_JSET, BPF_REG_0, 1, 1),
+	BPF_JMP_IMM(BPF_JA, 0, 0, 2),
+	BPF_MOV64_IMM(BPF_REG_0, 7),
+	BPF_EXIT_INSN(),
+	BPF_MOV64_IMM(BPF_REG_0, 1),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.retval = 1,
+},
+{
+	"dead code: end 1",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_0, 7),
+	BPF_JMP_IMM(BPF_JGE, BPF_REG_0, 10, 1),
+	BPF_EXIT_INSN(),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.retval = 7,
+},
+{
+	"dead code: end 2",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_0, 7),
+	BPF_JMP_IMM(BPF_JGE, BPF_REG_0, 10, 1),
+	BPF_EXIT_INSN(),
+	BPF_MOV64_IMM(BPF_REG_0, 12),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.retval = 7,
+},
+{
+	"dead code: end 3",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_0, 7),
+	BPF_JMP_IMM(BPF_JGE, BPF_REG_0, 8, 1),
+	BPF_EXIT_INSN(),
+	BPF_JMP_IMM(BPF_JGE, BPF_REG_0, 10, 1),
+	BPF_JMP_IMM(BPF_JA, 0, 0, 1),
+	BPF_MOV64_IMM(BPF_REG_0, 12),
+	BPF_JMP_IMM(BPF_JA, 0, 0, -5),
+	},
+	.result = ACCEPT,
+	.retval = 7,
+},
+{
+	"dead code: tail of main + func",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_0, 7),
+	BPF_JMP_IMM(BPF_JGE, BPF_REG_0, 8, 1),
+	BPF_EXIT_INSN(),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 1),
+	BPF_EXIT_INSN(),
+	BPF_MOV64_IMM(BPF_REG_0, 12),
+	BPF_EXIT_INSN(),
+	},
+	.errstr_unpriv = "loading/calling other bpf or kernel functions are allowed for",
+	.result_unpriv = REJECT,
+	.result = ACCEPT,
+	.retval = 7,
+},
+{
+	"dead code: tail of main + two functions",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_0, 7),
+	BPF_JMP_IMM(BPF_JGE, BPF_REG_0, 8, 1),
+	BPF_EXIT_INSN(),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 1),
+	BPF_EXIT_INSN(),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 1),
+	BPF_EXIT_INSN(),
+	BPF_MOV64_IMM(BPF_REG_0, 12),
+	BPF_EXIT_INSN(),
+	},
+	.errstr_unpriv = "loading/calling other bpf or kernel functions are allowed for",
+	.result_unpriv = REJECT,
+	.result = ACCEPT,
+	.retval = 7,
+},
+{
+	"dead code: function in the middle and mid of another func",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_1, 7),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 3),
+	BPF_EXIT_INSN(),
+	BPF_MOV64_IMM(BPF_REG_0, 12),
+	BPF_EXIT_INSN(),
+	BPF_MOV64_IMM(BPF_REG_0, 7),
+	BPF_JMP_IMM(BPF_JGE, BPF_REG_1, 7, 1),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, -5),
+	BPF_EXIT_INSN(),
+	},
+	.errstr_unpriv = "loading/calling other bpf or kernel functions are allowed for",
+	.result_unpriv = REJECT,
+	.result = ACCEPT,
+	.retval = 7,
+},
+{
+	"dead code: middle of main before call",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_1, 2),
+	BPF_JMP_IMM(BPF_JGE, BPF_REG_1, 2, 1),
+	BPF_MOV64_IMM(BPF_REG_1, 5),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 1),
+	BPF_EXIT_INSN(),
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
+	BPF_EXIT_INSN(),
+	},
+	.errstr_unpriv = "loading/calling other bpf or kernel functions are allowed for",
+	.result_unpriv = REJECT,
+	.result = ACCEPT,
+	.retval = 2,
+},
+{
+	"dead code: start of a function",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_1, 2),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 1),
+	BPF_EXIT_INSN(),
+	BPF_JMP_IMM(BPF_JA, 0, 0, 0),
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
+	BPF_EXIT_INSN(),
+	},
+	.errstr_unpriv = "loading/calling other bpf or kernel functions are allowed for",
+	.result_unpriv = REJECT,
+	.result = ACCEPT,
+	.retval = 2,
+},
+{
+	"dead code: zero extension",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_STX_MEM(BPF_W, BPF_REG_10, BPF_REG_0, -4),
+	BPF_JMP_IMM(BPF_JGE, BPF_REG_0, 0, 1),
+	BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_10, -4),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.retval = 0,
+},
diff --git a/tools/testing/selftests/bpf/verifier/direct_packet_access.c b/tools/testing/selftests/bpf/verifier/direct_packet_access.c
new file mode 100644
index 000000000..11acd1855
--- /dev/null
+++ b/tools/testing/selftests/bpf/verifier/direct_packet_access.c
@@ -0,0 +1,656 @@
+{
+	"pkt_end - pkt_start is allowed",
+	.insns = {
+		BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+			    offsetof(struct __sk_buff, data_end)),
+		BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+			    offsetof(struct __sk_buff, data)),
+		BPF_ALU64_REG(BPF_SUB, BPF_REG_0, BPF_REG_2),
+		BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.retval = TEST_DATA_LEN,
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+},
+{
+	"direct packet access: test1",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+		    offsetof(struct __sk_buff, data)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+		    offsetof(struct __sk_buff, data_end)),
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8),
+	BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 1),
+	BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_2, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+},
+{
+	"direct packet access: test2",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_0, 1),
+	BPF_LDX_MEM(BPF_W, BPF_REG_4, BPF_REG_1,
+		    offsetof(struct __sk_buff, data_end)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+		    offsetof(struct __sk_buff, data)),
+	BPF_MOV64_REG(BPF_REG_5, BPF_REG_3),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_5, 14),
+	BPF_JMP_REG(BPF_JGT, BPF_REG_5, BPF_REG_4, 15),
+	BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_3, 7),
+	BPF_LDX_MEM(BPF_B, BPF_REG_4, BPF_REG_3, 12),
+	BPF_ALU64_IMM(BPF_MUL, BPF_REG_4, 14),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+		    offsetof(struct __sk_buff, data)),
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_3, BPF_REG_4),
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+		    offsetof(struct __sk_buff, len)),
+	BPF_ALU64_IMM(BPF_LSH, BPF_REG_2, 49),
+	BPF_ALU64_IMM(BPF_RSH, BPF_REG_2, 49),
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_3, BPF_REG_2),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_3),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, 8),
+	BPF_LDX_MEM(BPF_W, BPF_REG_1, BPF_REG_1,
+		    offsetof(struct __sk_buff, data_end)),
+	BPF_JMP_REG(BPF_JGT, BPF_REG_2, BPF_REG_1, 1),
+	BPF_LDX_MEM(BPF_B, BPF_REG_1, BPF_REG_3, 4),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+},
+{
+	"direct packet access: test3",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+		    offsetof(struct __sk_buff, data)),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "invalid bpf_context access off=76",
+	.result = REJECT,
+	.prog_type = BPF_PROG_TYPE_SOCKET_FILTER,
+},
+{
+	"direct packet access: test4 (write)",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+		    offsetof(struct __sk_buff, data)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+		    offsetof(struct __sk_buff, data_end)),
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8),
+	BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 1),
+	BPF_STX_MEM(BPF_B, BPF_REG_2, BPF_REG_2, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+},
+{
+	"direct packet access: test5 (pkt_end >= reg, good access)",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+		    offsetof(struct __sk_buff, data)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+		    offsetof(struct __sk_buff, data_end)),
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8),
+	BPF_JMP_REG(BPF_JGE, BPF_REG_3, BPF_REG_0, 2),
+	BPF_MOV64_IMM(BPF_REG_0, 1),
+	BPF_EXIT_INSN(),
+	BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_2, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+},
+{
+	"direct packet access: test6 (pkt_end >= reg, bad access)",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+		    offsetof(struct __sk_buff, data)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+		    offsetof(struct __sk_buff, data_end)),
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8),
+	BPF_JMP_REG(BPF_JGE, BPF_REG_3, BPF_REG_0, 3),
+	BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_2, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 1),
+	BPF_EXIT_INSN(),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "invalid access to packet",
+	.result = REJECT,
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+},
+{
+	"direct packet access: test7 (pkt_end >= reg, both accesses)",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+		    offsetof(struct __sk_buff, data)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+		    offsetof(struct __sk_buff, data_end)),
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8),
+	BPF_JMP_REG(BPF_JGE, BPF_REG_3, BPF_REG_0, 3),
+	BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_2, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 1),
+	BPF_EXIT_INSN(),
+	BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_2, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "invalid access to packet",
+	.result = REJECT,
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+},
+{
+	"direct packet access: test8 (double test, variant 1)",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+		    offsetof(struct __sk_buff, data)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+		    offsetof(struct __sk_buff, data_end)),
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8),
+	BPF_JMP_REG(BPF_JGE, BPF_REG_3, BPF_REG_0, 4),
+	BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 1),
+	BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_2, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 1),
+	BPF_EXIT_INSN(),
+	BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_2, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+},
+{
+	"direct packet access: test9 (double test, variant 2)",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+		    offsetof(struct __sk_buff, data)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+		    offsetof(struct __sk_buff, data_end)),
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8),
+	BPF_JMP_REG(BPF_JGE, BPF_REG_3, BPF_REG_0, 2),
+	BPF_MOV64_IMM(BPF_REG_0, 1),
+	BPF_EXIT_INSN(),
+	BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 1),
+	BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_2, 0),
+	BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_2, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+},
+{
+	"direct packet access: test10 (write invalid)",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+		    offsetof(struct __sk_buff, data)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+		    offsetof(struct __sk_buff, data_end)),
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8),
+	BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 2),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	BPF_STX_MEM(BPF_B, BPF_REG_2, BPF_REG_2, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "invalid access to packet",
+	.result = REJECT,
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+},
+{
+	"direct packet access: test11 (shift, good access)",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+		    offsetof(struct __sk_buff, data)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+		    offsetof(struct __sk_buff, data_end)),
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 22),
+	BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 8),
+	BPF_MOV64_IMM(BPF_REG_3, 144),
+	BPF_MOV64_REG(BPF_REG_5, BPF_REG_3),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_5, 23),
+	BPF_ALU64_IMM(BPF_RSH, BPF_REG_5, 3),
+	BPF_MOV64_REG(BPF_REG_6, BPF_REG_2),
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_6, BPF_REG_5),
+	BPF_MOV64_IMM(BPF_REG_0, 1),
+	BPF_EXIT_INSN(),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.retval = 1,
+},
+{
+	"direct packet access: test12 (and, good access)",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+		    offsetof(struct __sk_buff, data)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+		    offsetof(struct __sk_buff, data_end)),
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 22),
+	BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 8),
+	BPF_MOV64_IMM(BPF_REG_3, 144),
+	BPF_MOV64_REG(BPF_REG_5, BPF_REG_3),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_5, 23),
+	BPF_ALU64_IMM(BPF_AND, BPF_REG_5, 15),
+	BPF_MOV64_REG(BPF_REG_6, BPF_REG_2),
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_6, BPF_REG_5),
+	BPF_MOV64_IMM(BPF_REG_0, 1),
+	BPF_EXIT_INSN(),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.retval = 1,
+},
+{
+	"direct packet access: test13 (branches, good access)",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+		    offsetof(struct __sk_buff, data)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+		    offsetof(struct __sk_buff, data_end)),
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 22),
+	BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 13),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+		    offsetof(struct __sk_buff, mark)),
+	BPF_MOV64_IMM(BPF_REG_4, 1),
+	BPF_JMP_REG(BPF_JGT, BPF_REG_3, BPF_REG_4, 2),
+	BPF_MOV64_IMM(BPF_REG_3, 14),
+	BPF_JMP_IMM(BPF_JA, 0, 0, 1),
+	BPF_MOV64_IMM(BPF_REG_3, 24),
+	BPF_MOV64_REG(BPF_REG_5, BPF_REG_3),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_5, 23),
+	BPF_ALU64_IMM(BPF_AND, BPF_REG_5, 15),
+	BPF_MOV64_REG(BPF_REG_6, BPF_REG_2),
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_6, BPF_REG_5),
+	BPF_MOV64_IMM(BPF_REG_0, 1),
+	BPF_EXIT_INSN(),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.retval = 1,
+},
+{
+	"direct packet access: test14 (pkt_ptr += 0, CONST_IMM, good access)",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+		    offsetof(struct __sk_buff, data)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+		    offsetof(struct __sk_buff, data_end)),
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 22),
+	BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 7),
+	BPF_MOV64_IMM(BPF_REG_5, 12),
+	BPF_ALU64_IMM(BPF_RSH, BPF_REG_5, 4),
+	BPF_MOV64_REG(BPF_REG_6, BPF_REG_2),
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_6, BPF_REG_5),
+	BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_6, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 1),
+	BPF_EXIT_INSN(),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.retval = 1,
+},
+{
+	"direct packet access: test15 (spill with xadd)",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+		    offsetof(struct __sk_buff, data)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+		    offsetof(struct __sk_buff, data_end)),
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8),
+	BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 8),
+	BPF_MOV64_IMM(BPF_REG_5, 4096),
+	BPF_MOV64_REG(BPF_REG_4, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_4, -8),
+	BPF_STX_MEM(BPF_DW, BPF_REG_4, BPF_REG_2, 0),
+	BPF_ATOMIC_OP(BPF_DW, BPF_ADD, BPF_REG_4, BPF_REG_5, 0),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_4, 0),
+	BPF_STX_MEM(BPF_W, BPF_REG_2, BPF_REG_5, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "R2 invalid mem access 'scalar'",
+	.result = REJECT,
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"direct packet access: test16 (arith on data_end)",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+		    offsetof(struct __sk_buff, data)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+		    offsetof(struct __sk_buff, data_end)),
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_3, 16),
+	BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 1),
+	BPF_STX_MEM(BPF_B, BPF_REG_2, BPF_REG_2, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "R3 pointer arithmetic on pkt_end",
+	.result = REJECT,
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+},
+{
+	"direct packet access: test17 (pruning, alignment)",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+		    offsetof(struct __sk_buff, data)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+		    offsetof(struct __sk_buff, data_end)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_7, BPF_REG_1,
+		    offsetof(struct __sk_buff, mark)),
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 14),
+	BPF_JMP_IMM(BPF_JGT, BPF_REG_7, 1, 4),
+	BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 1),
+	BPF_STX_MEM(BPF_W, BPF_REG_0, BPF_REG_0, -4),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 1),
+	BPF_JMP_A(-6),
+	},
+	.errstr = "misaligned packet access off 2+(0x0; 0x0)+15+-4 size 4",
+	.result = REJECT,
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.flags = F_LOAD_WITH_STRICT_ALIGNMENT,
+},
+{
+	"direct packet access: test18 (imm += pkt_ptr, 1)",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+		    offsetof(struct __sk_buff, data)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+		    offsetof(struct __sk_buff, data_end)),
+	BPF_MOV64_IMM(BPF_REG_0, 8),
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_2),
+	BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 1),
+	BPF_STX_MEM(BPF_B, BPF_REG_2, BPF_REG_2, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+},
+{
+	"direct packet access: test19 (imm += pkt_ptr, 2)",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+		    offsetof(struct __sk_buff, data)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+		    offsetof(struct __sk_buff, data_end)),
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8),
+	BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 3),
+	BPF_MOV64_IMM(BPF_REG_4, 4),
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_4, BPF_REG_2),
+	BPF_STX_MEM(BPF_B, BPF_REG_4, BPF_REG_4, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+},
+{
+	"direct packet access: test20 (x += pkt_ptr, 1)",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+		    offsetof(struct __sk_buff, data)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+		    offsetof(struct __sk_buff, data_end)),
+	BPF_MOV64_IMM(BPF_REG_0, 0xffffffff),
+	BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -8),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_10, -8),
+	BPF_ALU64_IMM(BPF_AND, BPF_REG_0, 0x7fff),
+	BPF_MOV64_REG(BPF_REG_4, BPF_REG_0),
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_4, BPF_REG_2),
+	BPF_MOV64_REG(BPF_REG_5, BPF_REG_4),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_4, 0x7fff - 1),
+	BPF_JMP_REG(BPF_JGT, BPF_REG_4, BPF_REG_3, 1),
+	BPF_STX_MEM(BPF_DW, BPF_REG_5, BPF_REG_4, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.result = ACCEPT,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"direct packet access: test21 (x += pkt_ptr, 2)",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+		    offsetof(struct __sk_buff, data)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+		    offsetof(struct __sk_buff, data_end)),
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8),
+	BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 9),
+	BPF_MOV64_IMM(BPF_REG_4, 0xffffffff),
+	BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_4, -8),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_4, BPF_REG_10, -8),
+	BPF_ALU64_IMM(BPF_AND, BPF_REG_4, 0x7fff),
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_4, BPF_REG_2),
+	BPF_MOV64_REG(BPF_REG_5, BPF_REG_4),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_4, 0x7fff - 1),
+	BPF_JMP_REG(BPF_JGT, BPF_REG_4, BPF_REG_3, 1),
+	BPF_STX_MEM(BPF_DW, BPF_REG_5, BPF_REG_4, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.result = ACCEPT,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"direct packet access: test22 (x += pkt_ptr, 3)",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+		    offsetof(struct __sk_buff, data)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+		    offsetof(struct __sk_buff, data_end)),
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8),
+	BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_2, -8),
+	BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_3, -16),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_3, BPF_REG_10, -16),
+	BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 11),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_10, -8),
+	BPF_MOV64_IMM(BPF_REG_4, 0xffffffff),
+	BPF_ATOMIC_OP(BPF_DW, BPF_ADD, BPF_REG_10, BPF_REG_4, -8),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_4, BPF_REG_10, -8),
+	BPF_ALU64_IMM(BPF_RSH, BPF_REG_4, 49),
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_4, BPF_REG_2),
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_4),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 2),
+	BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 2),
+	BPF_MOV64_IMM(BPF_REG_2, 1),
+	BPF_STX_MEM(BPF_H, BPF_REG_4, BPF_REG_2, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.result = ACCEPT,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"direct packet access: test23 (x += pkt_ptr, 4)",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+		    offsetof(struct __sk_buff, data)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+		    offsetof(struct __sk_buff, data_end)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+		    offsetof(struct __sk_buff, mark)),
+	BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -8),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_10, -8),
+	BPF_ALU64_IMM(BPF_AND, BPF_REG_0, 0xffff),
+	BPF_MOV64_REG(BPF_REG_4, BPF_REG_0),
+	BPF_MOV64_IMM(BPF_REG_0, 31),
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_4),
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_2),
+	BPF_MOV64_REG(BPF_REG_5, BPF_REG_0),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 0xffff - 1),
+	BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 1),
+	BPF_STX_MEM(BPF_DW, BPF_REG_5, BPF_REG_0, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.result = REJECT,
+	.errstr = "invalid access to packet, off=0 size=8, R5(id=2,off=0,r=0)",
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"direct packet access: test24 (x += pkt_ptr, 5)",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+		    offsetof(struct __sk_buff, data)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+		    offsetof(struct __sk_buff, data_end)),
+	BPF_MOV64_IMM(BPF_REG_0, 0xffffffff),
+	BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -8),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_10, -8),
+	BPF_ALU64_IMM(BPF_AND, BPF_REG_0, 0xff),
+	BPF_MOV64_REG(BPF_REG_4, BPF_REG_0),
+	BPF_MOV64_IMM(BPF_REG_0, 64),
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_4),
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_2),
+	BPF_MOV64_REG(BPF_REG_5, BPF_REG_0),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 0x7fff - 1),
+	BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 1),
+	BPF_STX_MEM(BPF_DW, BPF_REG_5, BPF_REG_0, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.result = ACCEPT,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"direct packet access: test25 (marking on <, good access)",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+		    offsetof(struct __sk_buff, data)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+		    offsetof(struct __sk_buff, data_end)),
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8),
+	BPF_JMP_REG(BPF_JLT, BPF_REG_0, BPF_REG_3, 2),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_2, 0),
+	BPF_JMP_IMM(BPF_JA, 0, 0, -4),
+	},
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+},
+{
+	"direct packet access: test26 (marking on <, bad access)",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+		    offsetof(struct __sk_buff, data)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+		    offsetof(struct __sk_buff, data_end)),
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8),
+	BPF_JMP_REG(BPF_JLT, BPF_REG_0, BPF_REG_3, 3),
+	BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_2, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	BPF_JMP_IMM(BPF_JA, 0, 0, -3),
+	},
+	.result = REJECT,
+	.errstr = "invalid access to packet",
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+},
+{
+	"direct packet access: test27 (marking on <=, good access)",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+		    offsetof(struct __sk_buff, data)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+		    offsetof(struct __sk_buff, data_end)),
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8),
+	BPF_JMP_REG(BPF_JLE, BPF_REG_3, BPF_REG_0, 1),
+	BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_2, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 1),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.retval = 1,
+},
+{
+	"direct packet access: test28 (marking on <=, bad access)",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+		    offsetof(struct __sk_buff, data)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+		    offsetof(struct __sk_buff, data_end)),
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8),
+	BPF_JMP_REG(BPF_JLE, BPF_REG_3, BPF_REG_0, 2),
+	BPF_MOV64_IMM(BPF_REG_0, 1),
+	BPF_EXIT_INSN(),
+	BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_2, 0),
+	BPF_JMP_IMM(BPF_JA, 0, 0, -4),
+	},
+	.result = REJECT,
+	.errstr = "invalid access to packet",
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+},
+{
+	"direct packet access: test29 (reg > pkt_end in subprog)",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_6, BPF_REG_1,
+		    offsetof(struct __sk_buff, data)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+		    offsetof(struct __sk_buff, data_end)),
+	BPF_MOV64_REG(BPF_REG_3, BPF_REG_6),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_3, 8),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 4),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 1),
+	BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_6, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_JMP_REG(BPF_JGT, BPF_REG_3, BPF_REG_2, 1),
+	BPF_MOV64_IMM(BPF_REG_0, 1),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+},
diff --git a/tools/testing/selftests/bpf/verifier/direct_stack_access_wraparound.c b/tools/testing/selftests/bpf/verifier/direct_stack_access_wraparound.c
new file mode 100644
index 000000000..698e3779f
--- /dev/null
+++ b/tools/testing/selftests/bpf/verifier/direct_stack_access_wraparound.c
@@ -0,0 +1,40 @@
+{
+	"direct stack access with 32-bit wraparound. test1",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 0x7fffffff),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 0x7fffffff),
+	BPF_MOV32_IMM(BPF_REG_0, 0),
+	BPF_STX_MEM(BPF_B, BPF_REG_1, BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "fp pointer and 2147483647",
+	.result = REJECT
+},
+{
+	"direct stack access with 32-bit wraparound. test2",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 0x3fffffff),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 0x3fffffff),
+	BPF_MOV32_IMM(BPF_REG_0, 0),
+	BPF_STX_MEM(BPF_B, BPF_REG_1, BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "fp pointer and 1073741823",
+	.result = REJECT
+},
+{
+	"direct stack access with 32-bit wraparound. test3",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 0x1fffffff),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 0x1fffffff),
+	BPF_MOV32_IMM(BPF_REG_0, 0),
+	BPF_STX_MEM(BPF_B, BPF_REG_1, BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "fp pointer offset 1073741822",
+	.errstr_unpriv = "R1 stack pointer arithmetic goes out of range",
+	.result = REJECT
+},
diff --git a/tools/testing/selftests/bpf/verifier/direct_value_access.c b/tools/testing/selftests/bpf/verifier/direct_value_access.c
new file mode 100644
index 000000000..c0648dc00
--- /dev/null
+++ b/tools/testing/selftests/bpf/verifier/direct_value_access.c
@@ -0,0 +1,350 @@
+{
+	"direct map access, write test 1",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_0, 1),
+	BPF_LD_MAP_VALUE(BPF_REG_1, 0, 0),
+	BPF_ST_MEM(BPF_DW, BPF_REG_1, 0, 4242),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_array_48b = { 1 },
+	.result = ACCEPT,
+	.retval = 1,
+},
+{
+	"direct map access, write test 2",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_0, 1),
+	BPF_LD_MAP_VALUE(BPF_REG_1, 0, 8),
+	BPF_ST_MEM(BPF_DW, BPF_REG_1, 0, 4242),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_array_48b = { 1 },
+	.result = ACCEPT,
+	.retval = 1,
+},
+{
+	"direct map access, write test 3",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_0, 1),
+	BPF_LD_MAP_VALUE(BPF_REG_1, 0, 8),
+	BPF_ST_MEM(BPF_DW, BPF_REG_1, 8, 4242),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_array_48b = { 1 },
+	.result = ACCEPT,
+	.retval = 1,
+},
+{
+	"direct map access, write test 4",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_0, 1),
+	BPF_LD_MAP_VALUE(BPF_REG_1, 0, 40),
+	BPF_ST_MEM(BPF_DW, BPF_REG_1, 0, 4242),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_array_48b = { 1 },
+	.result = ACCEPT,
+	.retval = 1,
+},
+{
+	"direct map access, write test 5",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_0, 1),
+	BPF_LD_MAP_VALUE(BPF_REG_1, 0, 32),
+	BPF_ST_MEM(BPF_DW, BPF_REG_1, 8, 4242),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_array_48b = { 1 },
+	.result = ACCEPT,
+	.retval = 1,
+},
+{
+	"direct map access, write test 6",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_0, 1),
+	BPF_LD_MAP_VALUE(BPF_REG_1, 0, 40),
+	BPF_ST_MEM(BPF_DW, BPF_REG_1, 4, 4242),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_array_48b = { 1 },
+	.result = REJECT,
+	.errstr = "R1 min value is outside of the allowed memory range",
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"direct map access, write test 7",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_0, 1),
+	BPF_LD_MAP_VALUE(BPF_REG_1, 0, -1),
+	BPF_ST_MEM(BPF_DW, BPF_REG_1, 4, 4242),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_array_48b = { 1 },
+	.result = REJECT,
+	.errstr = "direct value offset of 4294967295 is not allowed",
+},
+{
+	"direct map access, write test 8",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_0, 1),
+	BPF_LD_MAP_VALUE(BPF_REG_1, 0, 1),
+	BPF_ST_MEM(BPF_DW, BPF_REG_1, -1, 4242),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_array_48b = { 1 },
+	.result = ACCEPT,
+	.retval = 1,
+},
+{
+	"direct map access, write test 9",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_0, 1),
+	BPF_LD_MAP_VALUE(BPF_REG_1, 0, 48),
+	BPF_ST_MEM(BPF_DW, BPF_REG_1, 0, 4242),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_array_48b = { 1 },
+	.result = REJECT,
+	.errstr = "invalid access to map value pointer",
+},
+{
+	"direct map access, write test 10",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_0, 1),
+	BPF_LD_MAP_VALUE(BPF_REG_1, 0, 47),
+	BPF_ST_MEM(BPF_B, BPF_REG_1, 0, 4),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_array_48b = { 1 },
+	.result = ACCEPT,
+	.retval = 1,
+},
+{
+	"direct map access, write test 11",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_0, 1),
+	BPF_LD_MAP_VALUE(BPF_REG_1, 0, 48),
+	BPF_ST_MEM(BPF_B, BPF_REG_1, 0, 4),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_array_48b = { 1 },
+	.result = REJECT,
+	.errstr = "invalid access to map value pointer",
+},
+{
+	"direct map access, write test 12",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_0, 1),
+	BPF_LD_MAP_VALUE(BPF_REG_1, 0, (1<<29)),
+	BPF_ST_MEM(BPF_B, BPF_REG_1, 0, 4),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_array_48b = { 1 },
+	.result = REJECT,
+	.errstr = "direct value offset of 536870912 is not allowed",
+},
+{
+	"direct map access, write test 13",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_0, 1),
+	BPF_LD_MAP_VALUE(BPF_REG_1, 0, (1<<29)-1),
+	BPF_ST_MEM(BPF_B, BPF_REG_1, 0, 4),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_array_48b = { 1 },
+	.result = REJECT,
+	.errstr = "invalid access to map value pointer, value_size=48 off=536870911",
+},
+{
+	"direct map access, write test 14",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_0, 1),
+	BPF_LD_MAP_VALUE(BPF_REG_1, 0, 47),
+	BPF_LD_MAP_VALUE(BPF_REG_2, 0, 46),
+	BPF_ST_MEM(BPF_H, BPF_REG_2, 0, 0xffff),
+	BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1, 0),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_array_48b = { 1, 3 },
+	.result = ACCEPT,
+	.retval = 0xff,
+},
+{
+	"direct map access, write test 15",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_0, 1),
+	BPF_LD_MAP_VALUE(BPF_REG_1, 0, 46),
+	BPF_LD_MAP_VALUE(BPF_REG_2, 0, 46),
+	BPF_ST_MEM(BPF_H, BPF_REG_2, 0, 0xffff),
+	BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1, 0),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_array_48b = { 1, 3 },
+	.result = ACCEPT,
+	.retval = 0xffff,
+},
+{
+	"direct map access, write test 16",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_0, 1),
+	BPF_LD_MAP_VALUE(BPF_REG_1, 0, 46),
+	BPF_LD_MAP_VALUE(BPF_REG_2, 0, 47),
+	BPF_ST_MEM(BPF_H, BPF_REG_2, 0, 0xffff),
+	BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1, 0),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_array_48b = { 1, 3 },
+	.result = REJECT,
+	.errstr = "invalid access to map value, value_size=48 off=47 size=2",
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"direct map access, write test 17",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_0, 1),
+	BPF_LD_MAP_VALUE(BPF_REG_1, 0, 46),
+	BPF_LD_MAP_VALUE(BPF_REG_2, 0, 46),
+	BPF_ST_MEM(BPF_H, BPF_REG_2, 1, 0xffff),
+	BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1, 0),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_array_48b = { 1, 3 },
+	.result = REJECT,
+	.errstr = "invalid access to map value, value_size=48 off=47 size=2",
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"direct map access, write test 18",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_0, 1),
+	BPF_LD_MAP_VALUE(BPF_REG_1, 0, 0),
+	BPF_ST_MEM(BPF_H, BPF_REG_1, 0, 42),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_array_small = { 1 },
+	.result = REJECT,
+	.errstr = "R1 min value is outside of the allowed memory range",
+},
+{
+	"direct map access, write test 19",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_0, 1),
+	BPF_LD_MAP_VALUE(BPF_REG_1, 0, 0),
+	BPF_ST_MEM(BPF_B, BPF_REG_1, 0, 42),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_array_small = { 1 },
+	.result = ACCEPT,
+	.retval = 1,
+},
+{
+	"direct map access, write test 20",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_0, 1),
+	BPF_LD_MAP_VALUE(BPF_REG_1, 0, 1),
+	BPF_ST_MEM(BPF_B, BPF_REG_1, 0, 42),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_array_small = { 1 },
+	.result = REJECT,
+	.errstr = "invalid access to map value pointer",
+},
+{
+	"direct map access, invalid insn test 1",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_0, 1),
+	BPF_LD_IMM64_RAW_FULL(BPF_REG_1, BPF_PSEUDO_MAP_VALUE, 0, 1, 0, 47),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_array_48b = { 1 },
+	.result = REJECT,
+	.errstr = "invalid bpf_ld_imm64 insn",
+},
+{
+	"direct map access, invalid insn test 2",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_0, 1),
+	BPF_LD_IMM64_RAW_FULL(BPF_REG_1, BPF_PSEUDO_MAP_VALUE, 1, 0, 0, 47),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_array_48b = { 1 },
+	.result = REJECT,
+	.errstr = "BPF_LD_IMM64 uses reserved fields",
+},
+{
+	"direct map access, invalid insn test 3",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_0, 1),
+	BPF_LD_IMM64_RAW_FULL(BPF_REG_1, BPF_PSEUDO_MAP_VALUE, ~0, 0, 0, 47),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_array_48b = { 1 },
+	.result = REJECT,
+	.errstr = "BPF_LD_IMM64 uses reserved fields",
+},
+{
+	"direct map access, invalid insn test 4",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_0, 1),
+	BPF_LD_IMM64_RAW_FULL(BPF_REG_1, BPF_PSEUDO_MAP_VALUE, 0, ~0, 0, 47),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_array_48b = { 1 },
+	.result = REJECT,
+	.errstr = "invalid bpf_ld_imm64 insn",
+},
+{
+	"direct map access, invalid insn test 5",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_0, 1),
+	BPF_LD_IMM64_RAW_FULL(BPF_REG_1, BPF_PSEUDO_MAP_VALUE, ~0, ~0, 0, 47),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_array_48b = { 1 },
+	.result = REJECT,
+	.errstr = "invalid bpf_ld_imm64 insn",
+},
+{
+	"direct map access, invalid insn test 6",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_0, 1),
+	BPF_LD_IMM64_RAW_FULL(BPF_REG_1, BPF_PSEUDO_MAP_FD, ~0, 0, 0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_array_48b = { 1 },
+	.result = REJECT,
+	.errstr = "BPF_LD_IMM64 uses reserved fields",
+},
+{
+	"direct map access, invalid insn test 7",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_0, 1),
+	BPF_LD_IMM64_RAW_FULL(BPF_REG_1, BPF_PSEUDO_MAP_FD, 0, ~0, 0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_array_48b = { 1 },
+	.result = REJECT,
+	.errstr = "invalid bpf_ld_imm64 insn",
+},
+{
+	"direct map access, invalid insn test 8",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_0, 1),
+	BPF_LD_IMM64_RAW_FULL(BPF_REG_1, BPF_PSEUDO_MAP_FD, ~0, ~0, 0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_array_48b = { 1 },
+	.result = REJECT,
+	.errstr = "invalid bpf_ld_imm64 insn",
+},
+{
+	"direct map access, invalid insn test 9",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_0, 1),
+	BPF_LD_IMM64_RAW_FULL(BPF_REG_1, BPF_PSEUDO_MAP_FD, 0, 0, 0, 47),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_array_48b = { 1 },
+	.result = REJECT,
+	.errstr = "unrecognized bpf_ld_imm64 insn",
+},
diff --git a/tools/testing/selftests/bpf/verifier/div0.c b/tools/testing/selftests/bpf/verifier/div0.c
new file mode 100644
index 000000000..7685edfbc
--- /dev/null
+++ b/tools/testing/selftests/bpf/verifier/div0.c
@@ -0,0 +1,184 @@
+{
+	"DIV32 by 0, zero check 1",
+	.insns = {
+	BPF_MOV32_IMM(BPF_REG_0, 42),
+	BPF_MOV32_IMM(BPF_REG_1, 0),
+	BPF_MOV32_IMM(BPF_REG_2, 1),
+	BPF_ALU32_REG(BPF_DIV, BPF_REG_2, BPF_REG_1),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.retval = 42,
+},
+{
+	"DIV32 by 0, zero check 2",
+	.insns = {
+	BPF_MOV32_IMM(BPF_REG_0, 42),
+	BPF_LD_IMM64(BPF_REG_1, 0xffffffff00000000LL),
+	BPF_MOV32_IMM(BPF_REG_2, 1),
+	BPF_ALU32_REG(BPF_DIV, BPF_REG_2, BPF_REG_1),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.retval = 42,
+},
+{
+	"DIV64 by 0, zero check",
+	.insns = {
+	BPF_MOV32_IMM(BPF_REG_0, 42),
+	BPF_MOV32_IMM(BPF_REG_1, 0),
+	BPF_MOV32_IMM(BPF_REG_2, 1),
+	BPF_ALU64_REG(BPF_DIV, BPF_REG_2, BPF_REG_1),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.retval = 42,
+},
+{
+	"MOD32 by 0, zero check 1",
+	.insns = {
+	BPF_MOV32_IMM(BPF_REG_0, 42),
+	BPF_MOV32_IMM(BPF_REG_1, 0),
+	BPF_MOV32_IMM(BPF_REG_2, 1),
+	BPF_ALU32_REG(BPF_MOD, BPF_REG_2, BPF_REG_1),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.retval = 42,
+},
+{
+	"MOD32 by 0, zero check 2",
+	.insns = {
+	BPF_MOV32_IMM(BPF_REG_0, 42),
+	BPF_LD_IMM64(BPF_REG_1, 0xffffffff00000000LL),
+	BPF_MOV32_IMM(BPF_REG_2, 1),
+	BPF_ALU32_REG(BPF_MOD, BPF_REG_2, BPF_REG_1),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.retval = 42,
+},
+{
+	"MOD64 by 0, zero check",
+	.insns = {
+	BPF_MOV32_IMM(BPF_REG_0, 42),
+	BPF_MOV32_IMM(BPF_REG_1, 0),
+	BPF_MOV32_IMM(BPF_REG_2, 1),
+	BPF_ALU64_REG(BPF_MOD, BPF_REG_2, BPF_REG_1),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.retval = 42,
+},
+{
+	"DIV32 by 0, zero check ok, cls",
+	.insns = {
+	BPF_MOV32_IMM(BPF_REG_0, 42),
+	BPF_MOV32_IMM(BPF_REG_1, 2),
+	BPF_MOV32_IMM(BPF_REG_2, 16),
+	BPF_ALU32_REG(BPF_DIV, BPF_REG_2, BPF_REG_1),
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.result = ACCEPT,
+	.retval = 8,
+},
+{
+	"DIV32 by 0, zero check 1, cls",
+	.insns = {
+	BPF_MOV32_IMM(BPF_REG_1, 0),
+	BPF_MOV32_IMM(BPF_REG_0, 1),
+	BPF_ALU32_REG(BPF_DIV, BPF_REG_0, BPF_REG_1),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.result = ACCEPT,
+	.retval = 0,
+},
+{
+	"DIV32 by 0, zero check 2, cls",
+	.insns = {
+	BPF_LD_IMM64(BPF_REG_1, 0xffffffff00000000LL),
+	BPF_MOV32_IMM(BPF_REG_0, 1),
+	BPF_ALU32_REG(BPF_DIV, BPF_REG_0, BPF_REG_1),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.result = ACCEPT,
+	.retval = 0,
+},
+{
+	"DIV64 by 0, zero check, cls",
+	.insns = {
+	BPF_MOV32_IMM(BPF_REG_1, 0),
+	BPF_MOV32_IMM(BPF_REG_0, 1),
+	BPF_ALU64_REG(BPF_DIV, BPF_REG_0, BPF_REG_1),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.result = ACCEPT,
+	.retval = 0,
+},
+{
+	"MOD32 by 0, zero check ok, cls",
+	.insns = {
+	BPF_MOV32_IMM(BPF_REG_0, 42),
+	BPF_MOV32_IMM(BPF_REG_1, 3),
+	BPF_MOV32_IMM(BPF_REG_2, 5),
+	BPF_ALU32_REG(BPF_MOD, BPF_REG_2, BPF_REG_1),
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.result = ACCEPT,
+	.retval = 2,
+},
+{
+	"MOD32 by 0, zero check 1, cls",
+	.insns = {
+	BPF_MOV32_IMM(BPF_REG_1, 0),
+	BPF_MOV32_IMM(BPF_REG_0, 1),
+	BPF_ALU32_REG(BPF_MOD, BPF_REG_0, BPF_REG_1),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.result = ACCEPT,
+	.retval = 1,
+},
+{
+	"MOD32 by 0, zero check 2, cls",
+	.insns = {
+	BPF_LD_IMM64(BPF_REG_1, 0xffffffff00000000LL),
+	BPF_MOV32_IMM(BPF_REG_0, 1),
+	BPF_ALU32_REG(BPF_MOD, BPF_REG_0, BPF_REG_1),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.result = ACCEPT,
+	.retval = 1,
+},
+{
+	"MOD64 by 0, zero check 1, cls",
+	.insns = {
+	BPF_MOV32_IMM(BPF_REG_1, 0),
+	BPF_MOV32_IMM(BPF_REG_0, 2),
+	BPF_ALU64_REG(BPF_MOD, BPF_REG_0, BPF_REG_1),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.result = ACCEPT,
+	.retval = 2,
+},
+{
+	"MOD64 by 0, zero check 2, cls",
+	.insns = {
+	BPF_MOV32_IMM(BPF_REG_1, 0),
+	BPF_MOV32_IMM(BPF_REG_0, -1),
+	BPF_ALU64_REG(BPF_MOD, BPF_REG_0, BPF_REG_1),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.result = ACCEPT,
+	.retval = -1,
+},
diff --git a/tools/testing/selftests/bpf/verifier/div_overflow.c b/tools/testing/selftests/bpf/verifier/div_overflow.c
new file mode 100644
index 000000000..acab4f008
--- /dev/null
+++ b/tools/testing/selftests/bpf/verifier/div_overflow.c
@@ -0,0 +1,110 @@
+/* Just make sure that JITs used udiv/umod as otherwise we get
+ * an exception from INT_MIN/-1 overflow similarly as with div
+ * by zero.
+ */
+{
+	"DIV32 overflow, check 1",
+	.insns = {
+	BPF_MOV32_IMM(BPF_REG_1, -1),
+	BPF_MOV32_IMM(BPF_REG_0, INT_MIN),
+	BPF_ALU32_REG(BPF_DIV, BPF_REG_0, BPF_REG_1),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.result = ACCEPT,
+	.retval = 0,
+},
+{
+	"DIV32 overflow, check 2",
+	.insns = {
+	BPF_MOV32_IMM(BPF_REG_0, INT_MIN),
+	BPF_ALU32_IMM(BPF_DIV, BPF_REG_0, -1),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.result = ACCEPT,
+	.retval = 0,
+},
+{
+	"DIV64 overflow, check 1",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_1, -1),
+	BPF_LD_IMM64(BPF_REG_2, LLONG_MIN),
+	BPF_ALU64_REG(BPF_DIV, BPF_REG_2, BPF_REG_1),
+	BPF_MOV32_IMM(BPF_REG_0, 0),
+	BPF_JMP_REG(BPF_JEQ, BPF_REG_0, BPF_REG_2, 1),
+	BPF_MOV32_IMM(BPF_REG_0, 1),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.result = ACCEPT,
+	.retval = 0,
+},
+{
+	"DIV64 overflow, check 2",
+	.insns = {
+	BPF_LD_IMM64(BPF_REG_1, LLONG_MIN),
+	BPF_ALU64_IMM(BPF_DIV, BPF_REG_1, -1),
+	BPF_MOV32_IMM(BPF_REG_0, 0),
+	BPF_JMP_REG(BPF_JEQ, BPF_REG_0, BPF_REG_1, 1),
+	BPF_MOV32_IMM(BPF_REG_0, 1),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.result = ACCEPT,
+	.retval = 0,
+},
+{
+	"MOD32 overflow, check 1",
+	.insns = {
+	BPF_MOV32_IMM(BPF_REG_1, -1),
+	BPF_MOV32_IMM(BPF_REG_0, INT_MIN),
+	BPF_ALU32_REG(BPF_MOD, BPF_REG_0, BPF_REG_1),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.result = ACCEPT,
+	.retval = INT_MIN,
+},
+{
+	"MOD32 overflow, check 2",
+	.insns = {
+	BPF_MOV32_IMM(BPF_REG_0, INT_MIN),
+	BPF_ALU32_IMM(BPF_MOD, BPF_REG_0, -1),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.result = ACCEPT,
+	.retval = INT_MIN,
+},
+{
+	"MOD64 overflow, check 1",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_1, -1),
+	BPF_LD_IMM64(BPF_REG_2, LLONG_MIN),
+	BPF_MOV64_REG(BPF_REG_3, BPF_REG_2),
+	BPF_ALU64_REG(BPF_MOD, BPF_REG_2, BPF_REG_1),
+	BPF_MOV32_IMM(BPF_REG_0, 0),
+	BPF_JMP_REG(BPF_JNE, BPF_REG_3, BPF_REG_2, 1),
+	BPF_MOV32_IMM(BPF_REG_0, 1),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.result = ACCEPT,
+	.retval = 1,
+},
+{
+	"MOD64 overflow, check 2",
+	.insns = {
+	BPF_LD_IMM64(BPF_REG_2, LLONG_MIN),
+	BPF_MOV64_REG(BPF_REG_3, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_MOD, BPF_REG_2, -1),
+	BPF_MOV32_IMM(BPF_REG_0, 0),
+	BPF_JMP_REG(BPF_JNE, BPF_REG_3, BPF_REG_2, 1),
+	BPF_MOV32_IMM(BPF_REG_0, 1),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.result = ACCEPT,
+	.retval = 1,
+},
diff --git a/tools/testing/selftests/bpf/verifier/event_output.c b/tools/testing/selftests/bpf/verifier/event_output.c
new file mode 100644
index 000000000..c5e805980
--- /dev/null
+++ b/tools/testing/selftests/bpf/verifier/event_output.c
@@ -0,0 +1,119 @@
+/* instructions used to output a skb based software event, produced
+ * from code snippet:
+ * struct TMP {
+ *  uint64_t tmp;
+ * } tt;
+ * tt.tmp = 5;
+ * bpf_perf_event_output(skb, &connection_tracking_event_map, 0,
+ *			 &tt, sizeof(tt));
+ * return 1;
+ *
+ * the bpf assembly from llvm is:
+ *        0:       b7 02 00 00 05 00 00 00         r2 = 5
+ *        1:       7b 2a f8 ff 00 00 00 00         *(u64 *)(r10 - 8) = r2
+ *        2:       bf a4 00 00 00 00 00 00         r4 = r10
+ *        3:       07 04 00 00 f8 ff ff ff         r4 += -8
+ *        4:       18 02 00 00 00 00 00 00 00 00 00 00 00 00 00 00    r2 = 0ll
+ *        6:       b7 03 00 00 00 00 00 00         r3 = 0
+ *        7:       b7 05 00 00 08 00 00 00         r5 = 8
+ *        8:       85 00 00 00 19 00 00 00         call 25
+ *        9:       b7 00 00 00 01 00 00 00         r0 = 1
+ *       10:       95 00 00 00 00 00 00 00         exit
+ *
+ *     The reason I put the code here instead of fill_helpers is that map fixup
+ *     is against the insns, instead of filled prog.
+ */
+
+#define __PERF_EVENT_INSNS__					\
+	BPF_MOV64_IMM(BPF_REG_2, 5),				\
+	BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_2, -8),		\
+	BPF_MOV64_REG(BPF_REG_4, BPF_REG_10),			\
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_4, -8),			\
+	BPF_LD_MAP_FD(BPF_REG_2, 0),				\
+	BPF_MOV64_IMM(BPF_REG_3, 0),				\
+	BPF_MOV64_IMM(BPF_REG_5, 8),				\
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,		\
+		     BPF_FUNC_perf_event_output),		\
+	BPF_MOV64_IMM(BPF_REG_0, 1),				\
+	BPF_EXIT_INSN(),
+{
+	"perfevent for sockops",
+	.insns = { __PERF_EVENT_INSNS__ },
+	.prog_type = BPF_PROG_TYPE_SOCK_OPS,
+	.fixup_map_event_output = { 4 },
+	.result = ACCEPT,
+	.retval = 1,
+},
+{
+	"perfevent for tc",
+	.insns =  { __PERF_EVENT_INSNS__ },
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.fixup_map_event_output = { 4 },
+	.result = ACCEPT,
+	.retval = 1,
+},
+{
+	"perfevent for lwt out",
+	.insns =  { __PERF_EVENT_INSNS__ },
+	.prog_type = BPF_PROG_TYPE_LWT_OUT,
+	.fixup_map_event_output = { 4 },
+	.result = ACCEPT,
+	.retval = 1,
+},
+{
+	"perfevent for xdp",
+	.insns =  { __PERF_EVENT_INSNS__ },
+	.prog_type = BPF_PROG_TYPE_XDP,
+	.fixup_map_event_output = { 4 },
+	.result = ACCEPT,
+	.retval = 1,
+},
+{
+	"perfevent for socket filter",
+	.insns =  { __PERF_EVENT_INSNS__ },
+	.prog_type = BPF_PROG_TYPE_SOCKET_FILTER,
+	.fixup_map_event_output = { 4 },
+	.result = ACCEPT,
+	.retval = 1,
+},
+{
+	"perfevent for sk_skb",
+	.insns =  { __PERF_EVENT_INSNS__ },
+	.prog_type = BPF_PROG_TYPE_SK_SKB,
+	.fixup_map_event_output = { 4 },
+	.result = ACCEPT,
+	.retval = 1,
+},
+{
+	"perfevent for cgroup skb",
+	.insns =  { __PERF_EVENT_INSNS__ },
+	.prog_type = BPF_PROG_TYPE_CGROUP_SKB,
+	.fixup_map_event_output = { 4 },
+	.result = ACCEPT,
+	.retval = 1,
+},
+{
+	"perfevent for cgroup dev",
+	.insns =  { __PERF_EVENT_INSNS__ },
+	.prog_type = BPF_PROG_TYPE_CGROUP_DEVICE,
+	.fixup_map_event_output = { 4 },
+	.result = ACCEPT,
+	.retval = 1,
+},
+{
+	"perfevent for cgroup sysctl",
+	.insns =  { __PERF_EVENT_INSNS__ },
+	.prog_type = BPF_PROG_TYPE_CGROUP_SYSCTL,
+	.fixup_map_event_output = { 4 },
+	.result = ACCEPT,
+	.retval = 1,
+},
+{
+	"perfevent for cgroup sockopt",
+	.insns =  { __PERF_EVENT_INSNS__ },
+	.prog_type = BPF_PROG_TYPE_CGROUP_SOCKOPT,
+	.expected_attach_type = BPF_CGROUP_SETSOCKOPT,
+	.fixup_map_event_output = { 4 },
+	.result = ACCEPT,
+	.retval = 1,
+},
diff --git a/tools/testing/selftests/bpf/verifier/helper_access_var_len.c b/tools/testing/selftests/bpf/verifier/helper_access_var_len.c
new file mode 100644
index 000000000..a6c869a73
--- /dev/null
+++ b/tools/testing/selftests/bpf/verifier/helper_access_var_len.c
@@ -0,0 +1,616 @@
+{
+	"helper access to variable memory: stack, bitwise AND + JMP, correct bounds",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -64),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -64),
+	BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -56),
+	BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -48),
+	BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -40),
+	BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -32),
+	BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -24),
+	BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -16),
+	BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -8),
+	BPF_MOV64_IMM(BPF_REG_2, 16),
+	BPF_STX_MEM(BPF_DW, BPF_REG_1, BPF_REG_2, -128),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_1, -128),
+	BPF_ALU64_IMM(BPF_AND, BPF_REG_2, 64),
+	BPF_MOV64_IMM(BPF_REG_4, 0),
+	BPF_JMP_REG(BPF_JGE, BPF_REG_4, BPF_REG_2, 2),
+	BPF_MOV64_IMM(BPF_REG_3, 0),
+	BPF_EMIT_CALL(BPF_FUNC_probe_read_kernel),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_TRACEPOINT,
+},
+{
+	"helper access to variable memory: stack, bitwise AND, zero included",
+	.insns = {
+	BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_1, 8),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -64),
+	BPF_STX_MEM(BPF_DW, BPF_REG_1, BPF_REG_2, -128),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_1, -128),
+	BPF_ALU64_IMM(BPF_AND, BPF_REG_2, 64),
+	BPF_MOV64_IMM(BPF_REG_3, 0),
+	BPF_EMIT_CALL(BPF_FUNC_probe_read_kernel),
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "invalid indirect read from stack R1 off -64+0 size 64",
+	.result = REJECT,
+	.prog_type = BPF_PROG_TYPE_TRACEPOINT,
+},
+{
+	"helper access to variable memory: stack, bitwise AND + JMP, wrong max",
+	.insns = {
+	BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_1, 8),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -64),
+	BPF_STX_MEM(BPF_DW, BPF_REG_1, BPF_REG_2, -128),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_1, -128),
+	BPF_ALU64_IMM(BPF_AND, BPF_REG_2, 65),
+	BPF_MOV64_IMM(BPF_REG_4, 0),
+	BPF_JMP_REG(BPF_JGE, BPF_REG_4, BPF_REG_2, 2),
+	BPF_MOV64_IMM(BPF_REG_3, 0),
+	BPF_EMIT_CALL(BPF_FUNC_probe_read_kernel),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "invalid indirect access to stack R1 off=-64 size=65",
+	.result = REJECT,
+	.prog_type = BPF_PROG_TYPE_TRACEPOINT,
+},
+{
+	"helper access to variable memory: stack, JMP, correct bounds",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -64),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -64),
+	BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -56),
+	BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -48),
+	BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -40),
+	BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -32),
+	BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -24),
+	BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -16),
+	BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -8),
+	BPF_MOV64_IMM(BPF_REG_2, 16),
+	BPF_STX_MEM(BPF_DW, BPF_REG_1, BPF_REG_2, -128),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_1, -128),
+	BPF_JMP_IMM(BPF_JGT, BPF_REG_2, 64, 4),
+	BPF_MOV64_IMM(BPF_REG_4, 0),
+	BPF_JMP_REG(BPF_JGE, BPF_REG_4, BPF_REG_2, 2),
+	BPF_MOV64_IMM(BPF_REG_3, 0),
+	BPF_EMIT_CALL(BPF_FUNC_probe_read_kernel),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_TRACEPOINT,
+},
+{
+	"helper access to variable memory: stack, JMP (signed), correct bounds",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -64),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -64),
+	BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -56),
+	BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -48),
+	BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -40),
+	BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -32),
+	BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -24),
+	BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -16),
+	BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -8),
+	BPF_MOV64_IMM(BPF_REG_2, 16),
+	BPF_STX_MEM(BPF_DW, BPF_REG_1, BPF_REG_2, -128),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_1, -128),
+	BPF_JMP_IMM(BPF_JSGT, BPF_REG_2, 64, 4),
+	BPF_MOV64_IMM(BPF_REG_4, 0),
+	BPF_JMP_REG(BPF_JSGE, BPF_REG_4, BPF_REG_2, 2),
+	BPF_MOV64_IMM(BPF_REG_3, 0),
+	BPF_EMIT_CALL(BPF_FUNC_probe_read_kernel),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_TRACEPOINT,
+},
+{
+	"helper access to variable memory: stack, JMP, bounds + offset",
+	.insns = {
+	BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_1, 8),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -64),
+	BPF_STX_MEM(BPF_DW, BPF_REG_1, BPF_REG_2, -128),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_1, -128),
+	BPF_JMP_IMM(BPF_JGT, BPF_REG_2, 64, 5),
+	BPF_MOV64_IMM(BPF_REG_4, 0),
+	BPF_JMP_REG(BPF_JGE, BPF_REG_4, BPF_REG_2, 3),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, 1),
+	BPF_MOV64_IMM(BPF_REG_3, 0),
+	BPF_EMIT_CALL(BPF_FUNC_probe_read_kernel),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "invalid indirect access to stack R1 off=-64 size=65",
+	.result = REJECT,
+	.prog_type = BPF_PROG_TYPE_TRACEPOINT,
+},
+{
+	"helper access to variable memory: stack, JMP, wrong max",
+	.insns = {
+	BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_1, 8),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -64),
+	BPF_STX_MEM(BPF_DW, BPF_REG_1, BPF_REG_2, -128),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_1, -128),
+	BPF_JMP_IMM(BPF_JGT, BPF_REG_2, 65, 4),
+	BPF_MOV64_IMM(BPF_REG_4, 0),
+	BPF_JMP_REG(BPF_JGE, BPF_REG_4, BPF_REG_2, 2),
+	BPF_MOV64_IMM(BPF_REG_3, 0),
+	BPF_EMIT_CALL(BPF_FUNC_probe_read_kernel),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "invalid indirect access to stack R1 off=-64 size=65",
+	.result = REJECT,
+	.prog_type = BPF_PROG_TYPE_TRACEPOINT,
+},
+{
+	"helper access to variable memory: stack, JMP, no max check",
+	.insns = {
+	BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_1, 8),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -64),
+	BPF_STX_MEM(BPF_DW, BPF_REG_1, BPF_REG_2, -128),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_1, -128),
+	BPF_MOV64_IMM(BPF_REG_4, 0),
+	BPF_JMP_REG(BPF_JGE, BPF_REG_4, BPF_REG_2, 2),
+	BPF_MOV64_IMM(BPF_REG_3, 0),
+	BPF_EMIT_CALL(BPF_FUNC_probe_read_kernel),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	/* because max wasn't checked, signed min is negative */
+	.errstr = "R2 min value is negative, either use unsigned or 'var &= const'",
+	.result = REJECT,
+	.prog_type = BPF_PROG_TYPE_TRACEPOINT,
+},
+{
+	"helper access to variable memory: stack, JMP, no min check",
+	.insns = {
+	BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_1, 8),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -64),
+	BPF_STX_MEM(BPF_DW, BPF_REG_1, BPF_REG_2, -128),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_1, -128),
+	BPF_JMP_IMM(BPF_JGT, BPF_REG_2, 64, 3),
+	BPF_MOV64_IMM(BPF_REG_3, 0),
+	BPF_EMIT_CALL(BPF_FUNC_probe_read_kernel),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "invalid indirect read from stack R1 off -64+0 size 64",
+	.result = REJECT,
+	.prog_type = BPF_PROG_TYPE_TRACEPOINT,
+},
+{
+	"helper access to variable memory: stack, JMP (signed), no min check",
+	.insns = {
+	BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_1, 8),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -64),
+	BPF_STX_MEM(BPF_DW, BPF_REG_1, BPF_REG_2, -128),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_1, -128),
+	BPF_JMP_IMM(BPF_JSGT, BPF_REG_2, 64, 3),
+	BPF_MOV64_IMM(BPF_REG_3, 0),
+	BPF_EMIT_CALL(BPF_FUNC_probe_read_kernel),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "R2 min value is negative",
+	.result = REJECT,
+	.prog_type = BPF_PROG_TYPE_TRACEPOINT,
+},
+{
+	"helper access to variable memory: map, JMP, correct bounds",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 10),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+	BPF_MOV64_IMM(BPF_REG_2, sizeof(struct test_val)),
+	BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_2, -128),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_10, -128),
+	BPF_JMP_IMM(BPF_JSGT, BPF_REG_2, sizeof(struct test_val), 4),
+	BPF_MOV64_IMM(BPF_REG_4, 0),
+	BPF_JMP_REG(BPF_JSGE, BPF_REG_4, BPF_REG_2, 2),
+	BPF_MOV64_IMM(BPF_REG_3, 0),
+	BPF_EMIT_CALL(BPF_FUNC_probe_read_kernel),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_48b = { 3 },
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_TRACEPOINT,
+},
+{
+	"helper access to variable memory: map, JMP, wrong max",
+	.insns = {
+	BPF_LDX_MEM(BPF_DW, BPF_REG_6, BPF_REG_1, 8),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 10),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_6),
+	BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_2, -128),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_10, -128),
+	BPF_JMP_IMM(BPF_JSGT, BPF_REG_2, sizeof(struct test_val) + 1, 4),
+	BPF_MOV64_IMM(BPF_REG_4, 0),
+	BPF_JMP_REG(BPF_JSGE, BPF_REG_4, BPF_REG_2, 2),
+	BPF_MOV64_IMM(BPF_REG_3, 0),
+	BPF_EMIT_CALL(BPF_FUNC_probe_read_kernel),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_48b = { 4 },
+	.errstr = "invalid access to map value, value_size=48 off=0 size=49",
+	.result = REJECT,
+	.prog_type = BPF_PROG_TYPE_TRACEPOINT,
+},
+{
+	"helper access to variable memory: map adjusted, JMP, correct bounds",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 11),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 20),
+	BPF_MOV64_IMM(BPF_REG_2, sizeof(struct test_val)),
+	BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_2, -128),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_10, -128),
+	BPF_JMP_IMM(BPF_JSGT, BPF_REG_2, sizeof(struct test_val) - 20, 4),
+	BPF_MOV64_IMM(BPF_REG_4, 0),
+	BPF_JMP_REG(BPF_JSGE, BPF_REG_4, BPF_REG_2, 2),
+	BPF_MOV64_IMM(BPF_REG_3, 0),
+	BPF_EMIT_CALL(BPF_FUNC_probe_read_kernel),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_48b = { 3 },
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_TRACEPOINT,
+},
+{
+	"helper access to variable memory: map adjusted, JMP, wrong max",
+	.insns = {
+	BPF_LDX_MEM(BPF_DW, BPF_REG_6, BPF_REG_1, 8),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 11),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 20),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_6),
+	BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_2, -128),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_10, -128),
+	BPF_JMP_IMM(BPF_JSGT, BPF_REG_2, sizeof(struct test_val) - 19, 4),
+	BPF_MOV64_IMM(BPF_REG_4, 0),
+	BPF_JMP_REG(BPF_JSGE, BPF_REG_4, BPF_REG_2, 2),
+	BPF_MOV64_IMM(BPF_REG_3, 0),
+	BPF_EMIT_CALL(BPF_FUNC_probe_read_kernel),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_48b = { 4 },
+	.errstr = "R1 min value is outside of the allowed memory range",
+	.result = REJECT,
+	.prog_type = BPF_PROG_TYPE_TRACEPOINT,
+},
+{
+	"helper access to variable memory: size = 0 allowed on NULL (ARG_PTR_TO_MEM_OR_NULL)",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_1, 0),
+	BPF_MOV64_IMM(BPF_REG_2, 0),
+	BPF_MOV64_IMM(BPF_REG_3, 0),
+	BPF_MOV64_IMM(BPF_REG_4, 0),
+	BPF_MOV64_IMM(BPF_REG_5, 0),
+	BPF_EMIT_CALL(BPF_FUNC_csum_diff),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+},
+{
+	"helper access to variable memory: size > 0 not allowed on NULL (ARG_PTR_TO_MEM_OR_NULL)",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, 0),
+	BPF_MOV64_IMM(BPF_REG_1, 0),
+	BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_2, -128),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_10, -128),
+	BPF_ALU64_IMM(BPF_AND, BPF_REG_2, 64),
+	BPF_MOV64_IMM(BPF_REG_3, 0),
+	BPF_MOV64_IMM(BPF_REG_4, 0),
+	BPF_MOV64_IMM(BPF_REG_5, 0),
+	BPF_EMIT_CALL(BPF_FUNC_csum_diff),
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "R1 type=scalar expected=fp",
+	.result = REJECT,
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+},
+{
+	"helper access to variable memory: size = 0 allowed on != NULL stack pointer (ARG_PTR_TO_MEM_OR_NULL)",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -8),
+	BPF_MOV64_IMM(BPF_REG_2, 0),
+	BPF_STX_MEM(BPF_DW, BPF_REG_1, BPF_REG_2, 0),
+	BPF_ALU64_IMM(BPF_AND, BPF_REG_2, 8),
+	BPF_MOV64_IMM(BPF_REG_3, 0),
+	BPF_MOV64_IMM(BPF_REG_4, 0),
+	BPF_MOV64_IMM(BPF_REG_5, 0),
+	BPF_EMIT_CALL(BPF_FUNC_csum_diff),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+},
+{
+	"helper access to variable memory: size = 0 allowed on != NULL map pointer (ARG_PTR_TO_MEM_OR_NULL)",
+	.insns = {
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 6),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+	BPF_MOV64_IMM(BPF_REG_2, 0),
+	BPF_MOV64_IMM(BPF_REG_3, 0),
+	BPF_MOV64_IMM(BPF_REG_4, 0),
+	BPF_MOV64_IMM(BPF_REG_5, 0),
+	BPF_EMIT_CALL(BPF_FUNC_csum_diff),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_8b = { 3 },
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+},
+{
+	"helper access to variable memory: size possible = 0 allowed on != NULL stack pointer (ARG_PTR_TO_MEM_OR_NULL)",
+	.insns = {
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 9),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_0, 0),
+	BPF_JMP_IMM(BPF_JGT, BPF_REG_2, 8, 7),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -8),
+	BPF_STX_MEM(BPF_DW, BPF_REG_1, BPF_REG_2, 0),
+	BPF_MOV64_IMM(BPF_REG_3, 0),
+	BPF_MOV64_IMM(BPF_REG_4, 0),
+	BPF_MOV64_IMM(BPF_REG_5, 0),
+	BPF_EMIT_CALL(BPF_FUNC_csum_diff),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_8b = { 3 },
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+},
+{
+	"helper access to variable memory: size possible = 0 allowed on != NULL map pointer (ARG_PTR_TO_MEM_OR_NULL)",
+	.insns = {
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 7),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_0, 0),
+	BPF_JMP_IMM(BPF_JGT, BPF_REG_2, 8, 4),
+	BPF_MOV64_IMM(BPF_REG_3, 0),
+	BPF_MOV64_IMM(BPF_REG_4, 0),
+	BPF_MOV64_IMM(BPF_REG_5, 0),
+	BPF_EMIT_CALL(BPF_FUNC_csum_diff),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_8b = { 3 },
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+},
+{
+	"helper access to variable memory: size possible = 0 allowed on != NULL packet pointer (ARG_PTR_TO_MEM_OR_NULL)",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_6, BPF_REG_1,
+		    offsetof(struct __sk_buff, data)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+		    offsetof(struct __sk_buff, data_end)),
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_6),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8),
+	BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 7),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_6, 0),
+	BPF_JMP_IMM(BPF_JGT, BPF_REG_2, 8, 4),
+	BPF_MOV64_IMM(BPF_REG_3, 0),
+	BPF_MOV64_IMM(BPF_REG_4, 0),
+	BPF_MOV64_IMM(BPF_REG_5, 0),
+	BPF_EMIT_CALL(BPF_FUNC_csum_diff),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.retval = 0 /* csum_diff of 64-byte packet */,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"helper access to variable memory: size = 0 not allowed on NULL (!ARG_PTR_TO_MEM_OR_NULL)",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_1, 0),
+	BPF_MOV64_IMM(BPF_REG_2, 0),
+	BPF_MOV64_IMM(BPF_REG_3, 0),
+	BPF_EMIT_CALL(BPF_FUNC_probe_read_kernel),
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "R1 type=scalar expected=fp",
+	.result = REJECT,
+	.prog_type = BPF_PROG_TYPE_TRACEPOINT,
+},
+{
+	"helper access to variable memory: size > 0 not allowed on NULL (!ARG_PTR_TO_MEM_OR_NULL)",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_1, 0),
+	BPF_MOV64_IMM(BPF_REG_2, 1),
+	BPF_MOV64_IMM(BPF_REG_3, 0),
+	BPF_EMIT_CALL(BPF_FUNC_probe_read_kernel),
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "R1 type=scalar expected=fp",
+	.result = REJECT,
+	.prog_type = BPF_PROG_TYPE_TRACEPOINT,
+},
+{
+	"helper access to variable memory: size = 0 allowed on != NULL stack pointer (!ARG_PTR_TO_MEM_OR_NULL)",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -8),
+	BPF_MOV64_IMM(BPF_REG_2, 0),
+	BPF_MOV64_IMM(BPF_REG_3, 0),
+	BPF_EMIT_CALL(BPF_FUNC_probe_read_kernel),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_TRACEPOINT,
+},
+{
+	"helper access to variable memory: size = 0 allowed on != NULL map pointer (!ARG_PTR_TO_MEM_OR_NULL)",
+	.insns = {
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 4),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+	BPF_MOV64_IMM(BPF_REG_2, 0),
+	BPF_MOV64_IMM(BPF_REG_3, 0),
+	BPF_EMIT_CALL(BPF_FUNC_probe_read_kernel),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_8b = { 3 },
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_TRACEPOINT,
+},
+{
+	"helper access to variable memory: size possible = 0 allowed on != NULL stack pointer (!ARG_PTR_TO_MEM_OR_NULL)",
+	.insns = {
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 6),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_0, 0),
+	BPF_JMP_IMM(BPF_JGT, BPF_REG_2, 8, 4),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -8),
+	BPF_MOV64_IMM(BPF_REG_3, 0),
+	BPF_EMIT_CALL(BPF_FUNC_probe_read_kernel),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_8b = { 3 },
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_TRACEPOINT,
+},
+{
+	"helper access to variable memory: size possible = 0 allowed on != NULL map pointer (!ARG_PTR_TO_MEM_OR_NULL)",
+	.insns = {
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 5),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_0, 0),
+	BPF_JMP_IMM(BPF_JGT, BPF_REG_2, 8, 2),
+	BPF_MOV64_IMM(BPF_REG_3, 0),
+	BPF_EMIT_CALL(BPF_FUNC_probe_read_kernel),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_8b = { 3 },
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_TRACEPOINT,
+},
+{
+	"helper access to variable memory: 8 bytes leak",
+	.insns = {
+	BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_1, 8),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -64),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -64),
+	BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -56),
+	BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -48),
+	BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -40),
+	BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -24),
+	BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -16),
+	BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -8),
+	BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_2, -128),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_10, -128),
+	BPF_ALU64_IMM(BPF_AND, BPF_REG_2, 63),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, 1),
+	BPF_MOV64_IMM(BPF_REG_3, 0),
+	BPF_EMIT_CALL(BPF_FUNC_probe_read_kernel),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_10, -16),
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "invalid indirect read from stack R1 off -64+32 size 64",
+	.result = REJECT,
+	.prog_type = BPF_PROG_TYPE_TRACEPOINT,
+},
+{
+	"helper access to variable memory: 8 bytes no leak (init memory)",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -64),
+	BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -56),
+	BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -48),
+	BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -40),
+	BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -32),
+	BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -24),
+	BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -16),
+	BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -8),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -64),
+	BPF_MOV64_IMM(BPF_REG_2, 0),
+	BPF_ALU64_IMM(BPF_AND, BPF_REG_2, 32),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, 32),
+	BPF_MOV64_IMM(BPF_REG_3, 0),
+	BPF_EMIT_CALL(BPF_FUNC_probe_read_kernel),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_10, -16),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_TRACEPOINT,
+},
diff --git a/tools/testing/selftests/bpf/verifier/helper_packet_access.c b/tools/testing/selftests/bpf/verifier/helper_packet_access.c
new file mode 100644
index 000000000..ae54587e9
--- /dev/null
+++ b/tools/testing/selftests/bpf/verifier/helper_packet_access.c
@@ -0,0 +1,460 @@
+{
+	"helper access to packet: test1, valid packet_ptr range",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, offsetof(struct xdp_md, data)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+		    offsetof(struct xdp_md, data_end)),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
+	BPF_JMP_REG(BPF_JGT, BPF_REG_1, BPF_REG_3, 5),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_MOV64_REG(BPF_REG_3, BPF_REG_2),
+	BPF_MOV64_IMM(BPF_REG_4, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_update_elem),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_8b = { 5 },
+	.result_unpriv = ACCEPT,
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_XDP,
+},
+{
+	"helper access to packet: test2, unchecked packet_ptr",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, offsetof(struct xdp_md, data)),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_8b = { 1 },
+	.result = REJECT,
+	.errstr = "invalid access to packet",
+	.prog_type = BPF_PROG_TYPE_XDP,
+},
+{
+	"helper access to packet: test3, variable add",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, offsetof(struct xdp_md, data)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+			offsetof(struct xdp_md, data_end)),
+	BPF_MOV64_REG(BPF_REG_4, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_4, 8),
+	BPF_JMP_REG(BPF_JGT, BPF_REG_4, BPF_REG_3, 10),
+	BPF_LDX_MEM(BPF_B, BPF_REG_5, BPF_REG_2, 0),
+	BPF_MOV64_REG(BPF_REG_4, BPF_REG_2),
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_4, BPF_REG_5),
+	BPF_MOV64_REG(BPF_REG_5, BPF_REG_4),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_5, 8),
+	BPF_JMP_REG(BPF_JGT, BPF_REG_5, BPF_REG_3, 4),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_4),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_8b = { 11 },
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_XDP,
+},
+{
+	"helper access to packet: test4, packet_ptr with bad range",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, offsetof(struct xdp_md, data)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+		    offsetof(struct xdp_md, data_end)),
+	BPF_MOV64_REG(BPF_REG_4, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_4, 4),
+	BPF_JMP_REG(BPF_JGT, BPF_REG_4, BPF_REG_3, 2),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_8b = { 7 },
+	.result = REJECT,
+	.errstr = "invalid access to packet",
+	.prog_type = BPF_PROG_TYPE_XDP,
+},
+{
+	"helper access to packet: test5, packet_ptr with too short range",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, offsetof(struct xdp_md, data)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+		    offsetof(struct xdp_md, data_end)),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, 1),
+	BPF_MOV64_REG(BPF_REG_4, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_4, 7),
+	BPF_JMP_REG(BPF_JGT, BPF_REG_4, BPF_REG_3, 3),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_8b = { 6 },
+	.result = REJECT,
+	.errstr = "invalid access to packet",
+	.prog_type = BPF_PROG_TYPE_XDP,
+},
+{
+	"helper access to packet: test6, cls valid packet_ptr range",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+		    offsetof(struct __sk_buff, data)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+		    offsetof(struct __sk_buff, data_end)),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
+	BPF_JMP_REG(BPF_JGT, BPF_REG_1, BPF_REG_3, 5),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_MOV64_REG(BPF_REG_3, BPF_REG_2),
+	BPF_MOV64_IMM(BPF_REG_4, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_update_elem),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_8b = { 5 },
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+},
+{
+	"helper access to packet: test7, cls unchecked packet_ptr",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+		    offsetof(struct __sk_buff, data)),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_8b = { 1 },
+	.result = REJECT,
+	.errstr = "invalid access to packet",
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+},
+{
+	"helper access to packet: test8, cls variable add",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+			offsetof(struct __sk_buff, data)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+			offsetof(struct __sk_buff, data_end)),
+	BPF_MOV64_REG(BPF_REG_4, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_4, 8),
+	BPF_JMP_REG(BPF_JGT, BPF_REG_4, BPF_REG_3, 10),
+	BPF_LDX_MEM(BPF_B, BPF_REG_5, BPF_REG_2, 0),
+	BPF_MOV64_REG(BPF_REG_4, BPF_REG_2),
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_4, BPF_REG_5),
+	BPF_MOV64_REG(BPF_REG_5, BPF_REG_4),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_5, 8),
+	BPF_JMP_REG(BPF_JGT, BPF_REG_5, BPF_REG_3, 4),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_4),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_8b = { 11 },
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+},
+{
+	"helper access to packet: test9, cls packet_ptr with bad range",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+		    offsetof(struct __sk_buff, data)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+		    offsetof(struct __sk_buff, data_end)),
+	BPF_MOV64_REG(BPF_REG_4, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_4, 4),
+	BPF_JMP_REG(BPF_JGT, BPF_REG_4, BPF_REG_3, 2),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_8b = { 7 },
+	.result = REJECT,
+	.errstr = "invalid access to packet",
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+},
+{
+	"helper access to packet: test10, cls packet_ptr with too short range",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+		    offsetof(struct __sk_buff, data)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+		    offsetof(struct __sk_buff, data_end)),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, 1),
+	BPF_MOV64_REG(BPF_REG_4, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_4, 7),
+	BPF_JMP_REG(BPF_JGT, BPF_REG_4, BPF_REG_3, 3),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_8b = { 6 },
+	.result = REJECT,
+	.errstr = "invalid access to packet",
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+},
+{
+	"helper access to packet: test11, cls unsuitable helper 1",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_6, BPF_REG_1,
+		    offsetof(struct __sk_buff, data)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_7, BPF_REG_1,
+		    offsetof(struct __sk_buff, data_end)),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, 1),
+	BPF_MOV64_REG(BPF_REG_3, BPF_REG_6),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_3, 7),
+	BPF_JMP_REG(BPF_JGT, BPF_REG_3, BPF_REG_7, 4),
+	BPF_MOV64_IMM(BPF_REG_2, 0),
+	BPF_MOV64_IMM(BPF_REG_4, 42),
+	BPF_MOV64_IMM(BPF_REG_5, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_skb_store_bytes),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = REJECT,
+	.errstr = "helper access to the packet",
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+},
+{
+	"helper access to packet: test12, cls unsuitable helper 2",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_6, BPF_REG_1,
+		    offsetof(struct __sk_buff, data)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_7, BPF_REG_1,
+		    offsetof(struct __sk_buff, data_end)),
+	BPF_MOV64_REG(BPF_REG_3, BPF_REG_6),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, 8),
+	BPF_JMP_REG(BPF_JGT, BPF_REG_6, BPF_REG_7, 3),
+	BPF_MOV64_IMM(BPF_REG_2, 0),
+	BPF_MOV64_IMM(BPF_REG_4, 4),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_skb_load_bytes),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = REJECT,
+	.errstr = "helper access to the packet",
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+},
+{
+	"helper access to packet: test13, cls helper ok",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_6, BPF_REG_1,
+		    offsetof(struct __sk_buff, data)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_7, BPF_REG_1,
+		    offsetof(struct __sk_buff, data_end)),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, 1),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 7),
+	BPF_JMP_REG(BPF_JGT, BPF_REG_1, BPF_REG_7, 6),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
+	BPF_MOV64_IMM(BPF_REG_2, 4),
+	BPF_MOV64_IMM(BPF_REG_3, 0),
+	BPF_MOV64_IMM(BPF_REG_4, 0),
+	BPF_MOV64_IMM(BPF_REG_5, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_csum_diff),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+},
+{
+	"helper access to packet: test14, cls helper ok sub",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_6, BPF_REG_1,
+		    offsetof(struct __sk_buff, data)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_7, BPF_REG_1,
+		    offsetof(struct __sk_buff, data_end)),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, 1),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 7),
+	BPF_JMP_REG(BPF_JGT, BPF_REG_1, BPF_REG_7, 6),
+	BPF_ALU64_IMM(BPF_SUB, BPF_REG_1, 4),
+	BPF_MOV64_IMM(BPF_REG_2, 4),
+	BPF_MOV64_IMM(BPF_REG_3, 0),
+	BPF_MOV64_IMM(BPF_REG_4, 0),
+	BPF_MOV64_IMM(BPF_REG_5, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_csum_diff),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+},
+{
+	"helper access to packet: test15, cls helper fail sub",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_6, BPF_REG_1,
+		    offsetof(struct __sk_buff, data)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_7, BPF_REG_1,
+		    offsetof(struct __sk_buff, data_end)),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, 1),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 7),
+	BPF_JMP_REG(BPF_JGT, BPF_REG_1, BPF_REG_7, 6),
+	BPF_ALU64_IMM(BPF_SUB, BPF_REG_1, 12),
+	BPF_MOV64_IMM(BPF_REG_2, 4),
+	BPF_MOV64_IMM(BPF_REG_3, 0),
+	BPF_MOV64_IMM(BPF_REG_4, 0),
+	BPF_MOV64_IMM(BPF_REG_5, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_csum_diff),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = REJECT,
+	.errstr = "invalid access to packet",
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+},
+{
+	"helper access to packet: test16, cls helper fail range 1",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_6, BPF_REG_1,
+		    offsetof(struct __sk_buff, data)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_7, BPF_REG_1,
+		    offsetof(struct __sk_buff, data_end)),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, 1),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 7),
+	BPF_JMP_REG(BPF_JGT, BPF_REG_1, BPF_REG_7, 6),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
+	BPF_MOV64_IMM(BPF_REG_2, 8),
+	BPF_MOV64_IMM(BPF_REG_3, 0),
+	BPF_MOV64_IMM(BPF_REG_4, 0),
+	BPF_MOV64_IMM(BPF_REG_5, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_csum_diff),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = REJECT,
+	.errstr = "invalid access to packet",
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+},
+{
+	"helper access to packet: test17, cls helper fail range 2",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_6, BPF_REG_1,
+		    offsetof(struct __sk_buff, data)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_7, BPF_REG_1,
+		    offsetof(struct __sk_buff, data_end)),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, 1),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 7),
+	BPF_JMP_REG(BPF_JGT, BPF_REG_1, BPF_REG_7, 6),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
+	BPF_MOV64_IMM(BPF_REG_2, -9),
+	BPF_MOV64_IMM(BPF_REG_3, 0),
+	BPF_MOV64_IMM(BPF_REG_4, 0),
+	BPF_MOV64_IMM(BPF_REG_5, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_csum_diff),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = REJECT,
+	.errstr = "R2 min value is negative",
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+},
+{
+	"helper access to packet: test18, cls helper fail range 3",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_6, BPF_REG_1,
+		    offsetof(struct __sk_buff, data)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_7, BPF_REG_1,
+		    offsetof(struct __sk_buff, data_end)),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, 1),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 7),
+	BPF_JMP_REG(BPF_JGT, BPF_REG_1, BPF_REG_7, 6),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
+	BPF_MOV64_IMM(BPF_REG_2, ~0),
+	BPF_MOV64_IMM(BPF_REG_3, 0),
+	BPF_MOV64_IMM(BPF_REG_4, 0),
+	BPF_MOV64_IMM(BPF_REG_5, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_csum_diff),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = REJECT,
+	.errstr = "R2 min value is negative",
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+},
+{
+	"helper access to packet: test19, cls helper range zero",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_6, BPF_REG_1,
+		    offsetof(struct __sk_buff, data)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_7, BPF_REG_1,
+		    offsetof(struct __sk_buff, data_end)),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, 1),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 7),
+	BPF_JMP_REG(BPF_JGT, BPF_REG_1, BPF_REG_7, 6),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
+	BPF_MOV64_IMM(BPF_REG_2, 0),
+	BPF_MOV64_IMM(BPF_REG_3, 0),
+	BPF_MOV64_IMM(BPF_REG_4, 0),
+	BPF_MOV64_IMM(BPF_REG_5, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_csum_diff),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+},
+{
+	"helper access to packet: test20, pkt end as input",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_6, BPF_REG_1,
+		    offsetof(struct __sk_buff, data)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_7, BPF_REG_1,
+		    offsetof(struct __sk_buff, data_end)),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, 1),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 7),
+	BPF_JMP_REG(BPF_JGT, BPF_REG_1, BPF_REG_7, 6),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_7),
+	BPF_MOV64_IMM(BPF_REG_2, 4),
+	BPF_MOV64_IMM(BPF_REG_3, 0),
+	BPF_MOV64_IMM(BPF_REG_4, 0),
+	BPF_MOV64_IMM(BPF_REG_5, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_csum_diff),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = REJECT,
+	.errstr = "R1 type=pkt_end expected=fp",
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+},
+{
+	"helper access to packet: test21, wrong reg",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_6, BPF_REG_1,
+		    offsetof(struct __sk_buff, data)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_7, BPF_REG_1,
+		    offsetof(struct __sk_buff, data_end)),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, 1),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 7),
+	BPF_JMP_REG(BPF_JGT, BPF_REG_1, BPF_REG_7, 6),
+	BPF_MOV64_IMM(BPF_REG_2, 4),
+	BPF_MOV64_IMM(BPF_REG_3, 0),
+	BPF_MOV64_IMM(BPF_REG_4, 0),
+	BPF_MOV64_IMM(BPF_REG_5, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_csum_diff),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = REJECT,
+	.errstr = "invalid access to packet",
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+},
diff --git a/tools/testing/selftests/bpf/verifier/helper_restricted.c b/tools/testing/selftests/bpf/verifier/helper_restricted.c
new file mode 100644
index 000000000..a067b7098
--- /dev/null
+++ b/tools/testing/selftests/bpf/verifier/helper_restricted.c
@@ -0,0 +1,196 @@
+{
+	"bpf_ktime_get_coarse_ns is forbidden in BPF_PROG_TYPE_KPROBE",
+	.insns = {
+		BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_ktime_get_coarse_ns),
+		BPF_MOV64_IMM(BPF_REG_0, 0),
+		BPF_EXIT_INSN(),
+	},
+	.errstr = "unknown func bpf_ktime_get_coarse_ns",
+	.result = REJECT,
+	.prog_type = BPF_PROG_TYPE_KPROBE,
+},
+{
+	"bpf_ktime_get_coarse_ns is forbidden in BPF_PROG_TYPE_TRACEPOINT",
+	.insns = {
+		BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_ktime_get_coarse_ns),
+		BPF_MOV64_IMM(BPF_REG_0, 0),
+		BPF_EXIT_INSN(),
+	},
+	.errstr = "unknown func bpf_ktime_get_coarse_ns",
+	.result = REJECT,
+	.prog_type = BPF_PROG_TYPE_TRACEPOINT,
+},
+{
+	"bpf_ktime_get_coarse_ns is forbidden in BPF_PROG_TYPE_PERF_EVENT",
+	.insns = {
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_ktime_get_coarse_ns),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "unknown func bpf_ktime_get_coarse_ns",
+	.result = REJECT,
+	.prog_type = BPF_PROG_TYPE_PERF_EVENT,
+},
+{
+	"bpf_ktime_get_coarse_ns is forbidden in BPF_PROG_TYPE_RAW_TRACEPOINT",
+	.insns = {
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_ktime_get_coarse_ns),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "unknown func bpf_ktime_get_coarse_ns",
+	.result = REJECT,
+	.prog_type = BPF_PROG_TYPE_RAW_TRACEPOINT,
+},
+{
+	"bpf_timer_init isn restricted in BPF_PROG_TYPE_KPROBE",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 4),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+	BPF_LD_MAP_FD(BPF_REG_2, 0),
+	BPF_MOV64_IMM(BPF_REG_3, 1),
+	BPF_EMIT_CALL(BPF_FUNC_timer_init),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_timer = { 3, 8 },
+	.errstr = "tracing progs cannot use bpf_timer yet",
+	.result = REJECT,
+	.prog_type = BPF_PROG_TYPE_KPROBE,
+},
+{
+	"bpf_timer_init is forbidden in BPF_PROG_TYPE_PERF_EVENT",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 4),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+	BPF_LD_MAP_FD(BPF_REG_2, 0),
+	BPF_MOV64_IMM(BPF_REG_3, 1),
+	BPF_EMIT_CALL(BPF_FUNC_timer_init),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_timer = { 3, 8 },
+	.errstr = "tracing progs cannot use bpf_timer yet",
+	.result = REJECT,
+	.prog_type = BPF_PROG_TYPE_PERF_EVENT,
+},
+{
+	"bpf_timer_init is forbidden in BPF_PROG_TYPE_TRACEPOINT",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 4),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+	BPF_LD_MAP_FD(BPF_REG_2, 0),
+	BPF_MOV64_IMM(BPF_REG_3, 1),
+	BPF_EMIT_CALL(BPF_FUNC_timer_init),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_timer = { 3, 8 },
+	.errstr = "tracing progs cannot use bpf_timer yet",
+	.result = REJECT,
+	.prog_type = BPF_PROG_TYPE_TRACEPOINT,
+},
+{
+	"bpf_timer_init is forbidden in BPF_PROG_TYPE_RAW_TRACEPOINT",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 4),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+	BPF_LD_MAP_FD(BPF_REG_2, 0),
+	BPF_MOV64_IMM(BPF_REG_3, 1),
+	BPF_EMIT_CALL(BPF_FUNC_timer_init),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_timer = { 3, 8 },
+	.errstr = "tracing progs cannot use bpf_timer yet",
+	.result = REJECT,
+	.prog_type = BPF_PROG_TYPE_RAW_TRACEPOINT,
+},
+{
+	"bpf_spin_lock is forbidden in BPF_PROG_TYPE_KPROBE",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 2),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+	BPF_EMIT_CALL(BPF_FUNC_spin_lock),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_spin_lock = { 3 },
+	.errstr = "tracing progs cannot use bpf_spin_lock yet",
+	.result = REJECT,
+	.prog_type = BPF_PROG_TYPE_KPROBE,
+},
+{
+	"bpf_spin_lock is forbidden in BPF_PROG_TYPE_TRACEPOINT",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 2),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+	BPF_EMIT_CALL(BPF_FUNC_spin_lock),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_spin_lock = { 3 },
+	.errstr = "tracing progs cannot use bpf_spin_lock yet",
+	.result = REJECT,
+	.prog_type = BPF_PROG_TYPE_TRACEPOINT,
+},
+{
+	"bpf_spin_lock is forbidden in BPF_PROG_TYPE_PERF_EVENT",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 2),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+	BPF_EMIT_CALL(BPF_FUNC_spin_lock),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_spin_lock = { 3 },
+	.errstr = "tracing progs cannot use bpf_spin_lock yet",
+	.result = REJECT,
+	.prog_type = BPF_PROG_TYPE_PERF_EVENT,
+},
+{
+	"bpf_spin_lock is forbidden in BPF_PROG_TYPE_RAW_TRACEPOINT",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 2),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+	BPF_EMIT_CALL(BPF_FUNC_spin_lock),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_spin_lock = { 3 },
+	.errstr = "tracing progs cannot use bpf_spin_lock yet",
+	.result = REJECT,
+	.prog_type = BPF_PROG_TYPE_RAW_TRACEPOINT,
+},
diff --git a/tools/testing/selftests/bpf/verifier/helper_value_access.c b/tools/testing/selftests/bpf/verifier/helper_value_access.c
new file mode 100644
index 000000000..1c7882ddf
--- /dev/null
+++ b/tools/testing/selftests/bpf/verifier/helper_value_access.c
@@ -0,0 +1,953 @@
+{
+	"helper access to map: full range",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 4),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+	BPF_MOV64_IMM(BPF_REG_2, sizeof(struct test_val)),
+	BPF_MOV64_IMM(BPF_REG_3, 0),
+	BPF_EMIT_CALL(BPF_FUNC_probe_read_kernel),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_48b = { 3 },
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_TRACEPOINT,
+},
+{
+	"helper access to map: partial range",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 4),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+	BPF_MOV64_IMM(BPF_REG_2, 8),
+	BPF_MOV64_IMM(BPF_REG_3, 0),
+	BPF_EMIT_CALL(BPF_FUNC_probe_read_kernel),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_48b = { 3 },
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_TRACEPOINT,
+},
+{
+	"helper access to map: empty range",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 3),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+	BPF_MOV64_IMM(BPF_REG_2, 0),
+	BPF_EMIT_CALL(BPF_FUNC_trace_printk),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_48b = { 3 },
+	.errstr = "invalid access to map value, value_size=48 off=0 size=0",
+	.result = REJECT,
+	.prog_type = BPF_PROG_TYPE_TRACEPOINT,
+},
+{
+	"helper access to map: out-of-bound range",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 4),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+	BPF_MOV64_IMM(BPF_REG_2, sizeof(struct test_val) + 8),
+	BPF_MOV64_IMM(BPF_REG_3, 0),
+	BPF_EMIT_CALL(BPF_FUNC_probe_read_kernel),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_48b = { 3 },
+	.errstr = "invalid access to map value, value_size=48 off=0 size=56",
+	.result = REJECT,
+	.prog_type = BPF_PROG_TYPE_TRACEPOINT,
+},
+{
+	"helper access to map: negative range",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 4),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+	BPF_MOV64_IMM(BPF_REG_2, -8),
+	BPF_MOV64_IMM(BPF_REG_3, 0),
+	BPF_EMIT_CALL(BPF_FUNC_probe_read_kernel),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_48b = { 3 },
+	.errstr = "R2 min value is negative",
+	.result = REJECT,
+	.prog_type = BPF_PROG_TYPE_TRACEPOINT,
+},
+{
+	"helper access to adjusted map (via const imm): full range",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 5),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, offsetof(struct test_val, foo)),
+	BPF_MOV64_IMM(BPF_REG_2,
+		      sizeof(struct test_val) -	offsetof(struct test_val, foo)),
+	BPF_MOV64_IMM(BPF_REG_3, 0),
+	BPF_EMIT_CALL(BPF_FUNC_probe_read_kernel),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_48b = { 3 },
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_TRACEPOINT,
+},
+{
+	"helper access to adjusted map (via const imm): partial range",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 5),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, offsetof(struct test_val, foo)),
+	BPF_MOV64_IMM(BPF_REG_2, 8),
+	BPF_MOV64_IMM(BPF_REG_3, 0),
+	BPF_EMIT_CALL(BPF_FUNC_probe_read_kernel),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_48b = { 3 },
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_TRACEPOINT,
+},
+{
+	"helper access to adjusted map (via const imm): empty range",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 4),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, offsetof(struct test_val, foo)),
+	BPF_MOV64_IMM(BPF_REG_2, 0),
+	BPF_EMIT_CALL(BPF_FUNC_trace_printk),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_48b = { 3 },
+	.errstr = "invalid access to map value, value_size=48 off=4 size=0",
+	.result = REJECT,
+	.prog_type = BPF_PROG_TYPE_TRACEPOINT,
+},
+{
+	"helper access to adjusted map (via const imm): out-of-bound range",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 5),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, offsetof(struct test_val, foo)),
+	BPF_MOV64_IMM(BPF_REG_2,
+		      sizeof(struct test_val) - offsetof(struct test_val, foo) + 8),
+	BPF_MOV64_IMM(BPF_REG_3, 0),
+	BPF_EMIT_CALL(BPF_FUNC_probe_read_kernel),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_48b = { 3 },
+	.errstr = "invalid access to map value, value_size=48 off=4 size=52",
+	.result = REJECT,
+	.prog_type = BPF_PROG_TYPE_TRACEPOINT,
+},
+{
+	"helper access to adjusted map (via const imm): negative range (> adjustment)",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 5),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, offsetof(struct test_val, foo)),
+	BPF_MOV64_IMM(BPF_REG_2, -8),
+	BPF_MOV64_IMM(BPF_REG_3, 0),
+	BPF_EMIT_CALL(BPF_FUNC_probe_read_kernel),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_48b = { 3 },
+	.errstr = "R2 min value is negative",
+	.result = REJECT,
+	.prog_type = BPF_PROG_TYPE_TRACEPOINT,
+},
+{
+	"helper access to adjusted map (via const imm): negative range (< adjustment)",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 5),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, offsetof(struct test_val, foo)),
+	BPF_MOV64_IMM(BPF_REG_2, -1),
+	BPF_MOV64_IMM(BPF_REG_3, 0),
+	BPF_EMIT_CALL(BPF_FUNC_probe_read_kernel),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_48b = { 3 },
+	.errstr = "R2 min value is negative",
+	.result = REJECT,
+	.prog_type = BPF_PROG_TYPE_TRACEPOINT,
+},
+{
+	"helper access to adjusted map (via const reg): full range",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 6),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+	BPF_MOV64_IMM(BPF_REG_3, offsetof(struct test_val, foo)),
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_3),
+	BPF_MOV64_IMM(BPF_REG_2,
+		      sizeof(struct test_val) - offsetof(struct test_val, foo)),
+	BPF_MOV64_IMM(BPF_REG_3, 0),
+	BPF_EMIT_CALL(BPF_FUNC_probe_read_kernel),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_48b = { 3 },
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_TRACEPOINT,
+},
+{
+	"helper access to adjusted map (via const reg): partial range",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 6),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+	BPF_MOV64_IMM(BPF_REG_3, offsetof(struct test_val, foo)),
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_3),
+	BPF_MOV64_IMM(BPF_REG_2, 8),
+	BPF_MOV64_IMM(BPF_REG_3, 0),
+	BPF_EMIT_CALL(BPF_FUNC_probe_read_kernel),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_48b = { 3 },
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_TRACEPOINT,
+},
+{
+	"helper access to adjusted map (via const reg): empty range",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 5),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+	BPF_MOV64_IMM(BPF_REG_3, 0),
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_3),
+	BPF_MOV64_IMM(BPF_REG_2, 0),
+	BPF_EMIT_CALL(BPF_FUNC_trace_printk),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_48b = { 3 },
+	.errstr = "R1 min value is outside of the allowed memory range",
+	.result = REJECT,
+	.prog_type = BPF_PROG_TYPE_TRACEPOINT,
+},
+{
+	"helper access to adjusted map (via const reg): out-of-bound range",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 6),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+	BPF_MOV64_IMM(BPF_REG_3, offsetof(struct test_val, foo)),
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_3),
+	BPF_MOV64_IMM(BPF_REG_2,
+		      sizeof(struct test_val) -
+		      offsetof(struct test_val, foo) + 8),
+	BPF_MOV64_IMM(BPF_REG_3, 0),
+	BPF_EMIT_CALL(BPF_FUNC_probe_read_kernel),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_48b = { 3 },
+	.errstr = "invalid access to map value, value_size=48 off=4 size=52",
+	.result = REJECT,
+	.prog_type = BPF_PROG_TYPE_TRACEPOINT,
+},
+{
+	"helper access to adjusted map (via const reg): negative range (> adjustment)",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 6),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+	BPF_MOV64_IMM(BPF_REG_3, offsetof(struct test_val, foo)),
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_3),
+	BPF_MOV64_IMM(BPF_REG_2, -8),
+	BPF_MOV64_IMM(BPF_REG_3, 0),
+	BPF_EMIT_CALL(BPF_FUNC_probe_read_kernel),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_48b = { 3 },
+	.errstr = "R2 min value is negative",
+	.result = REJECT,
+	.prog_type = BPF_PROG_TYPE_TRACEPOINT,
+},
+{
+	"helper access to adjusted map (via const reg): negative range (< adjustment)",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 6),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+	BPF_MOV64_IMM(BPF_REG_3, offsetof(struct test_val, foo)),
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_3),
+	BPF_MOV64_IMM(BPF_REG_2, -1),
+	BPF_MOV64_IMM(BPF_REG_3, 0),
+	BPF_EMIT_CALL(BPF_FUNC_probe_read_kernel),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_48b = { 3 },
+	.errstr = "R2 min value is negative",
+	.result = REJECT,
+	.prog_type = BPF_PROG_TYPE_TRACEPOINT,
+},
+{
+	"helper access to adjusted map (via variable): full range",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 7),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_0, 0),
+	BPF_JMP_IMM(BPF_JGT, BPF_REG_3, offsetof(struct test_val, foo), 4),
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_3),
+	BPF_MOV64_IMM(BPF_REG_2,
+		      sizeof(struct test_val) - offsetof(struct test_val, foo)),
+	BPF_MOV64_IMM(BPF_REG_3, 0),
+	BPF_EMIT_CALL(BPF_FUNC_probe_read_kernel),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_48b = { 3 },
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_TRACEPOINT,
+},
+{
+	"helper access to adjusted map (via variable): partial range",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 7),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_0, 0),
+	BPF_JMP_IMM(BPF_JGT, BPF_REG_3, offsetof(struct test_val, foo), 4),
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_3),
+	BPF_MOV64_IMM(BPF_REG_2, 8),
+	BPF_MOV64_IMM(BPF_REG_3, 0),
+	BPF_EMIT_CALL(BPF_FUNC_probe_read_kernel),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_48b = { 3 },
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_TRACEPOINT,
+},
+{
+	"helper access to adjusted map (via variable): empty range",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 6),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_0, 0),
+	BPF_JMP_IMM(BPF_JGT, BPF_REG_3, offsetof(struct test_val, foo), 3),
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_3),
+	BPF_MOV64_IMM(BPF_REG_2, 0),
+	BPF_EMIT_CALL(BPF_FUNC_trace_printk),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_48b = { 3 },
+	.errstr = "R1 min value is outside of the allowed memory range",
+	.result = REJECT,
+	.prog_type = BPF_PROG_TYPE_TRACEPOINT,
+},
+{
+	"helper access to adjusted map (via variable): no max check",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 6),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_0, 0),
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_3),
+	BPF_MOV64_IMM(BPF_REG_2, 1),
+	BPF_MOV64_IMM(BPF_REG_3, 0),
+	BPF_EMIT_CALL(BPF_FUNC_probe_read_kernel),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_48b = { 3 },
+	.errstr = "R1 unbounded memory access",
+	.result = REJECT,
+	.prog_type = BPF_PROG_TYPE_TRACEPOINT,
+},
+{
+	"helper access to adjusted map (via variable): wrong max check",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 7),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_0, 0),
+	BPF_JMP_IMM(BPF_JGT, BPF_REG_3, offsetof(struct test_val, foo), 4),
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_3),
+	BPF_MOV64_IMM(BPF_REG_2,
+		      sizeof(struct test_val) -
+		      offsetof(struct test_val, foo) + 1),
+	BPF_MOV64_IMM(BPF_REG_3, 0),
+	BPF_EMIT_CALL(BPF_FUNC_probe_read_kernel),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_48b = { 3 },
+	.errstr = "invalid access to map value, value_size=48 off=4 size=45",
+	.result = REJECT,
+	.prog_type = BPF_PROG_TYPE_TRACEPOINT,
+},
+{
+	"helper access to map: bounds check using <, good access",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 4),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_0, 0),
+	BPF_JMP_IMM(BPF_JLT, BPF_REG_3, 32, 2),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_3),
+	BPF_ST_MEM(BPF_B, BPF_REG_1, 0, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_48b = { 3 },
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_TRACEPOINT,
+},
+{
+	"helper access to map: bounds check using <, bad access",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 4),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_0, 0),
+	BPF_JMP_IMM(BPF_JLT, BPF_REG_3, 32, 4),
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_3),
+	BPF_ST_MEM(BPF_B, BPF_REG_1, 0, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_48b = { 3 },
+	.result = REJECT,
+	.errstr = "R1 unbounded memory access",
+	.prog_type = BPF_PROG_TYPE_TRACEPOINT,
+},
+{
+	"helper access to map: bounds check using <=, good access",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 4),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_0, 0),
+	BPF_JMP_IMM(BPF_JLE, BPF_REG_3, 32, 2),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_3),
+	BPF_ST_MEM(BPF_B, BPF_REG_1, 0, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_48b = { 3 },
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_TRACEPOINT,
+},
+{
+	"helper access to map: bounds check using <=, bad access",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 4),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_0, 0),
+	BPF_JMP_IMM(BPF_JLE, BPF_REG_3, 32, 4),
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_3),
+	BPF_ST_MEM(BPF_B, BPF_REG_1, 0, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_48b = { 3 },
+	.result = REJECT,
+	.errstr = "R1 unbounded memory access",
+	.prog_type = BPF_PROG_TYPE_TRACEPOINT,
+},
+{
+	"helper access to map: bounds check using s<, good access",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 4),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_0, 0),
+	BPF_JMP_IMM(BPF_JSLT, BPF_REG_3, 32, 2),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	BPF_JMP_IMM(BPF_JSLT, BPF_REG_3, 0, -3),
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_3),
+	BPF_ST_MEM(BPF_B, BPF_REG_1, 0, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_48b = { 3 },
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_TRACEPOINT,
+},
+{
+	"helper access to map: bounds check using s<, good access 2",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 4),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_0, 0),
+	BPF_JMP_IMM(BPF_JSLT, BPF_REG_3, 32, 2),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	BPF_JMP_IMM(BPF_JSLT, BPF_REG_3, -3, -3),
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_3),
+	BPF_ST_MEM(BPF_B, BPF_REG_1, 0, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_48b = { 3 },
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_TRACEPOINT,
+},
+{
+	"helper access to map: bounds check using s<, bad access",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 4),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_3, BPF_REG_0, 0),
+	BPF_JMP_IMM(BPF_JSLT, BPF_REG_3, 32, 2),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	BPF_JMP_IMM(BPF_JSLT, BPF_REG_3, -3, -3),
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_3),
+	BPF_ST_MEM(BPF_B, BPF_REG_1, 0, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_48b = { 3 },
+	.result = REJECT,
+	.errstr = "R1 min value is negative",
+	.prog_type = BPF_PROG_TYPE_TRACEPOINT,
+},
+{
+	"helper access to map: bounds check using s<=, good access",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 4),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_0, 0),
+	BPF_JMP_IMM(BPF_JSLE, BPF_REG_3, 32, 2),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	BPF_JMP_IMM(BPF_JSLE, BPF_REG_3, 0, -3),
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_3),
+	BPF_ST_MEM(BPF_B, BPF_REG_1, 0, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_48b = { 3 },
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_TRACEPOINT,
+},
+{
+	"helper access to map: bounds check using s<=, good access 2",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 4),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_0, 0),
+	BPF_JMP_IMM(BPF_JSLE, BPF_REG_3, 32, 2),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	BPF_JMP_IMM(BPF_JSLE, BPF_REG_3, -3, -3),
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_3),
+	BPF_ST_MEM(BPF_B, BPF_REG_1, 0, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_48b = { 3 },
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_TRACEPOINT,
+},
+{
+	"helper access to map: bounds check using s<=, bad access",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 4),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_3, BPF_REG_0, 0),
+	BPF_JMP_IMM(BPF_JSLE, BPF_REG_3, 32, 2),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	BPF_JMP_IMM(BPF_JSLE, BPF_REG_3, -3, -3),
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_3),
+	BPF_ST_MEM(BPF_B, BPF_REG_1, 0, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_48b = { 3 },
+	.result = REJECT,
+	.errstr = "R1 min value is negative",
+	.prog_type = BPF_PROG_TYPE_TRACEPOINT,
+},
+{
+	"map lookup helper access to map",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 4),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_0),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_16b = { 3, 8 },
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_TRACEPOINT,
+},
+{
+	"map update helper access to map",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 6),
+	BPF_MOV64_IMM(BPF_REG_4, 0),
+	BPF_MOV64_REG(BPF_REG_3, BPF_REG_0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_0),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_EMIT_CALL(BPF_FUNC_map_update_elem),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_16b = { 3, 10 },
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_TRACEPOINT,
+},
+{
+	"map update helper access to map: wrong size",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 6),
+	BPF_MOV64_IMM(BPF_REG_4, 0),
+	BPF_MOV64_REG(BPF_REG_3, BPF_REG_0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_0),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_EMIT_CALL(BPF_FUNC_map_update_elem),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_8b = { 3 },
+	.fixup_map_hash_16b = { 10 },
+	.result = REJECT,
+	.errstr = "invalid access to map value, value_size=8 off=0 size=16",
+	.prog_type = BPF_PROG_TYPE_TRACEPOINT,
+},
+{
+	"map helper access to adjusted map (via const imm)",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 5),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_0),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, offsetof(struct other_val, bar)),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_16b = { 3, 9 },
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_TRACEPOINT,
+},
+{
+	"map helper access to adjusted map (via const imm): out-of-bound 1",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 5),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_0),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, sizeof(struct other_val) - 4),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_16b = { 3, 9 },
+	.result = REJECT,
+	.errstr = "invalid access to map value, value_size=16 off=12 size=8",
+	.prog_type = BPF_PROG_TYPE_TRACEPOINT,
+},
+{
+	"map helper access to adjusted map (via const imm): out-of-bound 2",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 5),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_0),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -4),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_16b = { 3, 9 },
+	.result = REJECT,
+	.errstr = "invalid access to map value, value_size=16 off=-4 size=8",
+	.prog_type = BPF_PROG_TYPE_TRACEPOINT,
+},
+{
+	"map helper access to adjusted map (via const reg)",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 6),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_0),
+	BPF_MOV64_IMM(BPF_REG_3, offsetof(struct other_val, bar)),
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_2, BPF_REG_3),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_16b = { 3, 10 },
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_TRACEPOINT,
+},
+{
+	"map helper access to adjusted map (via const reg): out-of-bound 1",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 6),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_0),
+	BPF_MOV64_IMM(BPF_REG_3, sizeof(struct other_val) - 4),
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_2, BPF_REG_3),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_16b = { 3, 10 },
+	.result = REJECT,
+	.errstr = "invalid access to map value, value_size=16 off=12 size=8",
+	.prog_type = BPF_PROG_TYPE_TRACEPOINT,
+},
+{
+	"map helper access to adjusted map (via const reg): out-of-bound 2",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 6),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_0),
+	BPF_MOV64_IMM(BPF_REG_3, -4),
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_2, BPF_REG_3),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_16b = { 3, 10 },
+	.result = REJECT,
+	.errstr = "invalid access to map value, value_size=16 off=-4 size=8",
+	.prog_type = BPF_PROG_TYPE_TRACEPOINT,
+},
+{
+	"map helper access to adjusted map (via variable)",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 7),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_0),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_0, 0),
+	BPF_JMP_IMM(BPF_JGT, BPF_REG_3, offsetof(struct other_val, bar), 4),
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_2, BPF_REG_3),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_16b = { 3, 11 },
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_TRACEPOINT,
+},
+{
+	"map helper access to adjusted map (via variable): no max check",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 6),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_0),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_0, 0),
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_2, BPF_REG_3),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_16b = { 3, 10 },
+	.result = REJECT,
+	.errstr = "R2 unbounded memory access, make sure to bounds check any such access",
+	.prog_type = BPF_PROG_TYPE_TRACEPOINT,
+},
+{
+	"map helper access to adjusted map (via variable): wrong max check",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 7),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_0),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_0, 0),
+	BPF_JMP_IMM(BPF_JGT, BPF_REG_3, offsetof(struct other_val, bar) + 1, 4),
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_2, BPF_REG_3),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_16b = { 3, 11 },
+	.result = REJECT,
+	.errstr = "invalid access to map value, value_size=16 off=9 size=8",
+	.prog_type = BPF_PROG_TYPE_TRACEPOINT,
+},
diff --git a/tools/testing/selftests/bpf/verifier/int_ptr.c b/tools/testing/selftests/bpf/verifier/int_ptr.c
new file mode 100644
index 000000000..070893fb2
--- /dev/null
+++ b/tools/testing/selftests/bpf/verifier/int_ptr.c
@@ -0,0 +1,160 @@
+{
+	"ARG_PTR_TO_LONG uninitialized",
+	.insns = {
+		/* bpf_strtoul arg1 (buf) */
+		BPF_MOV64_REG(BPF_REG_7, BPF_REG_10),
+		BPF_ALU64_IMM(BPF_ADD, BPF_REG_7, -8),
+		BPF_MOV64_IMM(BPF_REG_0, 0x00303036),
+		BPF_STX_MEM(BPF_DW, BPF_REG_7, BPF_REG_0, 0),
+
+		BPF_MOV64_REG(BPF_REG_1, BPF_REG_7),
+
+		/* bpf_strtoul arg2 (buf_len) */
+		BPF_MOV64_IMM(BPF_REG_2, 4),
+
+		/* bpf_strtoul arg3 (flags) */
+		BPF_MOV64_IMM(BPF_REG_3, 0),
+
+		/* bpf_strtoul arg4 (res) */
+		BPF_ALU64_IMM(BPF_ADD, BPF_REG_7, -8),
+		BPF_MOV64_REG(BPF_REG_4, BPF_REG_7),
+
+		/* bpf_strtoul() */
+		BPF_EMIT_CALL(BPF_FUNC_strtoul),
+
+		BPF_MOV64_IMM(BPF_REG_0, 1),
+		BPF_EXIT_INSN(),
+	},
+	.result = REJECT,
+	.prog_type = BPF_PROG_TYPE_CGROUP_SYSCTL,
+	.errstr = "invalid indirect read from stack R4 off -16+0 size 8",
+},
+{
+	"ARG_PTR_TO_LONG half-uninitialized",
+	.insns = {
+		/* bpf_strtoul arg1 (buf) */
+		BPF_MOV64_REG(BPF_REG_7, BPF_REG_10),
+		BPF_ALU64_IMM(BPF_ADD, BPF_REG_7, -8),
+		BPF_MOV64_IMM(BPF_REG_0, 0x00303036),
+		BPF_STX_MEM(BPF_DW, BPF_REG_7, BPF_REG_0, 0),
+
+		BPF_MOV64_REG(BPF_REG_1, BPF_REG_7),
+
+		/* bpf_strtoul arg2 (buf_len) */
+		BPF_MOV64_IMM(BPF_REG_2, 4),
+
+		/* bpf_strtoul arg3 (flags) */
+		BPF_MOV64_IMM(BPF_REG_3, 0),
+
+		/* bpf_strtoul arg4 (res) */
+		BPF_ALU64_IMM(BPF_ADD, BPF_REG_7, -8),
+		BPF_STX_MEM(BPF_W, BPF_REG_7, BPF_REG_0, 0),
+		BPF_MOV64_REG(BPF_REG_4, BPF_REG_7),
+
+		/* bpf_strtoul() */
+		BPF_EMIT_CALL(BPF_FUNC_strtoul),
+
+		BPF_MOV64_IMM(BPF_REG_0, 1),
+		BPF_EXIT_INSN(),
+	},
+	.result = REJECT,
+	.prog_type = BPF_PROG_TYPE_CGROUP_SYSCTL,
+	.errstr = "invalid indirect read from stack R4 off -16+4 size 8",
+},
+{
+	"ARG_PTR_TO_LONG misaligned",
+	.insns = {
+		/* bpf_strtoul arg1 (buf) */
+		BPF_MOV64_REG(BPF_REG_7, BPF_REG_10),
+		BPF_ALU64_IMM(BPF_ADD, BPF_REG_7, -8),
+		BPF_MOV64_IMM(BPF_REG_0, 0x00303036),
+		BPF_STX_MEM(BPF_DW, BPF_REG_7, BPF_REG_0, 0),
+
+		BPF_MOV64_REG(BPF_REG_1, BPF_REG_7),
+
+		/* bpf_strtoul arg2 (buf_len) */
+		BPF_MOV64_IMM(BPF_REG_2, 4),
+
+		/* bpf_strtoul arg3 (flags) */
+		BPF_MOV64_IMM(BPF_REG_3, 0),
+
+		/* bpf_strtoul arg4 (res) */
+		BPF_ALU64_IMM(BPF_ADD, BPF_REG_7, -12),
+		BPF_MOV64_IMM(BPF_REG_0, 0),
+		BPF_STX_MEM(BPF_W, BPF_REG_7, BPF_REG_0, 0),
+		BPF_STX_MEM(BPF_DW, BPF_REG_7, BPF_REG_0, 4),
+		BPF_MOV64_REG(BPF_REG_4, BPF_REG_7),
+
+		/* bpf_strtoul() */
+		BPF_EMIT_CALL(BPF_FUNC_strtoul),
+
+		BPF_MOV64_IMM(BPF_REG_0, 1),
+		BPF_EXIT_INSN(),
+	},
+	.result = REJECT,
+	.prog_type = BPF_PROG_TYPE_CGROUP_SYSCTL,
+	.errstr = "misaligned stack access off (0x0; 0x0)+-20+0 size 8",
+},
+{
+	"ARG_PTR_TO_LONG size < sizeof(long)",
+	.insns = {
+		/* bpf_strtoul arg1 (buf) */
+		BPF_MOV64_REG(BPF_REG_7, BPF_REG_10),
+		BPF_ALU64_IMM(BPF_ADD, BPF_REG_7, -16),
+		BPF_MOV64_IMM(BPF_REG_0, 0x00303036),
+		BPF_STX_MEM(BPF_DW, BPF_REG_7, BPF_REG_0, 0),
+
+		BPF_MOV64_REG(BPF_REG_1, BPF_REG_7),
+
+		/* bpf_strtoul arg2 (buf_len) */
+		BPF_MOV64_IMM(BPF_REG_2, 4),
+
+		/* bpf_strtoul arg3 (flags) */
+		BPF_MOV64_IMM(BPF_REG_3, 0),
+
+		/* bpf_strtoul arg4 (res) */
+		BPF_ALU64_IMM(BPF_ADD, BPF_REG_7, 12),
+		BPF_STX_MEM(BPF_W, BPF_REG_7, BPF_REG_0, 0),
+		BPF_MOV64_REG(BPF_REG_4, BPF_REG_7),
+
+		/* bpf_strtoul() */
+		BPF_EMIT_CALL(BPF_FUNC_strtoul),
+
+		BPF_MOV64_IMM(BPF_REG_0, 1),
+		BPF_EXIT_INSN(),
+	},
+	.result = REJECT,
+	.prog_type = BPF_PROG_TYPE_CGROUP_SYSCTL,
+	.errstr = "invalid indirect access to stack R4 off=-4 size=8",
+},
+{
+	"ARG_PTR_TO_LONG initialized",
+	.insns = {
+		/* bpf_strtoul arg1 (buf) */
+		BPF_MOV64_REG(BPF_REG_7, BPF_REG_10),
+		BPF_ALU64_IMM(BPF_ADD, BPF_REG_7, -8),
+		BPF_MOV64_IMM(BPF_REG_0, 0x00303036),
+		BPF_STX_MEM(BPF_DW, BPF_REG_7, BPF_REG_0, 0),
+
+		BPF_MOV64_REG(BPF_REG_1, BPF_REG_7),
+
+		/* bpf_strtoul arg2 (buf_len) */
+		BPF_MOV64_IMM(BPF_REG_2, 4),
+
+		/* bpf_strtoul arg3 (flags) */
+		BPF_MOV64_IMM(BPF_REG_3, 0),
+
+		/* bpf_strtoul arg4 (res) */
+		BPF_ALU64_IMM(BPF_ADD, BPF_REG_7, -8),
+		BPF_STX_MEM(BPF_DW, BPF_REG_7, BPF_REG_0, 0),
+		BPF_MOV64_REG(BPF_REG_4, BPF_REG_7),
+
+		/* bpf_strtoul() */
+		BPF_EMIT_CALL(BPF_FUNC_strtoul),
+
+		BPF_MOV64_IMM(BPF_REG_0, 1),
+		BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_CGROUP_SYSCTL,
+},
diff --git a/tools/testing/selftests/bpf/verifier/jit.c b/tools/testing/selftests/bpf/verifier/jit.c
new file mode 100644
index 000000000..79021c30e
--- /dev/null
+++ b/tools/testing/selftests/bpf/verifier/jit.c
@@ -0,0 +1,194 @@
+{
+	"jit: lsh, rsh, arsh by 1",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_0, 1),
+	BPF_MOV64_IMM(BPF_REG_1, 0xff),
+	BPF_ALU64_IMM(BPF_LSH, BPF_REG_1, 1),
+	BPF_ALU32_IMM(BPF_LSH, BPF_REG_1, 1),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 0x3fc, 1),
+	BPF_EXIT_INSN(),
+	BPF_ALU64_IMM(BPF_RSH, BPF_REG_1, 1),
+	BPF_ALU32_IMM(BPF_RSH, BPF_REG_1, 1),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 0xff, 1),
+	BPF_EXIT_INSN(),
+	BPF_ALU64_IMM(BPF_ARSH, BPF_REG_1, 1),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 0x7f, 1),
+	BPF_EXIT_INSN(),
+	BPF_MOV64_IMM(BPF_REG_0, 2),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.retval = 2,
+},
+{
+	"jit: mov32 for ldimm64, 1",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_0, 2),
+	BPF_LD_IMM64(BPF_REG_1, 0xfeffffffffffffffULL),
+	BPF_ALU64_IMM(BPF_RSH, BPF_REG_1, 32),
+	BPF_LD_IMM64(BPF_REG_2, 0xfeffffffULL),
+	BPF_JMP_REG(BPF_JEQ, BPF_REG_1, BPF_REG_2, 1),
+	BPF_MOV64_IMM(BPF_REG_0, 1),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.retval = 2,
+},
+{
+	"jit: mov32 for ldimm64, 2",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_0, 1),
+	BPF_LD_IMM64(BPF_REG_1, 0x1ffffffffULL),
+	BPF_LD_IMM64(BPF_REG_2, 0xffffffffULL),
+	BPF_JMP_REG(BPF_JEQ, BPF_REG_1, BPF_REG_2, 1),
+	BPF_MOV64_IMM(BPF_REG_0, 2),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.retval = 2,
+},
+{
+	"jit: various mul tests",
+	.insns = {
+	BPF_LD_IMM64(BPF_REG_2, 0xeeff0d413122ULL),
+	BPF_LD_IMM64(BPF_REG_0, 0xfefefeULL),
+	BPF_LD_IMM64(BPF_REG_1, 0xefefefULL),
+	BPF_ALU64_REG(BPF_MUL, BPF_REG_0, BPF_REG_1),
+	BPF_JMP_REG(BPF_JEQ, BPF_REG_0, BPF_REG_2, 2),
+	BPF_MOV64_IMM(BPF_REG_0, 1),
+	BPF_EXIT_INSN(),
+	BPF_LD_IMM64(BPF_REG_3, 0xfefefeULL),
+	BPF_ALU64_REG(BPF_MUL, BPF_REG_3, BPF_REG_1),
+	BPF_JMP_REG(BPF_JEQ, BPF_REG_3, BPF_REG_2, 2),
+	BPF_MOV64_IMM(BPF_REG_0, 1),
+	BPF_EXIT_INSN(),
+	BPF_LD_IMM64(BPF_REG_3, 0xfefefeULL),
+	BPF_ALU64_IMM(BPF_MUL, BPF_REG_3, 0xefefef),
+	BPF_JMP_REG(BPF_JEQ, BPF_REG_3, BPF_REG_2, 2),
+	BPF_MOV64_IMM(BPF_REG_0, 1),
+	BPF_EXIT_INSN(),
+	BPF_MOV32_REG(BPF_REG_2, BPF_REG_2),
+	BPF_LD_IMM64(BPF_REG_0, 0xfefefeULL),
+	BPF_ALU32_REG(BPF_MUL, BPF_REG_0, BPF_REG_1),
+	BPF_JMP_REG(BPF_JEQ, BPF_REG_0, BPF_REG_2, 2),
+	BPF_MOV64_IMM(BPF_REG_0, 1),
+	BPF_EXIT_INSN(),
+	BPF_LD_IMM64(BPF_REG_3, 0xfefefeULL),
+	BPF_ALU32_REG(BPF_MUL, BPF_REG_3, BPF_REG_1),
+	BPF_JMP_REG(BPF_JEQ, BPF_REG_3, BPF_REG_2, 2),
+	BPF_MOV64_IMM(BPF_REG_0, 1),
+	BPF_EXIT_INSN(),
+	BPF_LD_IMM64(BPF_REG_3, 0xfefefeULL),
+	BPF_ALU32_IMM(BPF_MUL, BPF_REG_3, 0xefefef),
+	BPF_JMP_REG(BPF_JEQ, BPF_REG_3, BPF_REG_2, 2),
+	BPF_MOV64_IMM(BPF_REG_0, 1),
+	BPF_EXIT_INSN(),
+	BPF_LD_IMM64(BPF_REG_0, 0xfefefeULL),
+	BPF_LD_IMM64(BPF_REG_2, 0x2ad4d4aaULL),
+	BPF_ALU32_IMM(BPF_MUL, BPF_REG_0, 0x2b),
+	BPF_JMP_REG(BPF_JEQ, BPF_REG_0, BPF_REG_2, 2),
+	BPF_MOV64_IMM(BPF_REG_0, 1),
+	BPF_EXIT_INSN(),
+	BPF_LD_IMM64(BPF_REG_0, 0x952a7bbcULL),
+	BPF_LD_IMM64(BPF_REG_1, 0xfefefeULL),
+	BPF_LD_IMM64(BPF_REG_5, 0xeeff0d413122ULL),
+	BPF_ALU32_REG(BPF_MUL, BPF_REG_5, BPF_REG_1),
+	BPF_JMP_REG(BPF_JEQ, BPF_REG_5, BPF_REG_0, 2),
+	BPF_MOV64_IMM(BPF_REG_0, 1),
+	BPF_EXIT_INSN(),
+	BPF_MOV64_IMM(BPF_REG_0, 2),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.retval = 2,
+},
+{
+	"jit: various div tests",
+	.insns = {
+	BPF_LD_IMM64(BPF_REG_2, 0xefeffeULL),
+	BPF_LD_IMM64(BPF_REG_0, 0xeeff0d413122ULL),
+	BPF_LD_IMM64(BPF_REG_1, 0xfefeeeULL),
+	BPF_ALU64_REG(BPF_DIV, BPF_REG_0, BPF_REG_1),
+	BPF_JMP_REG(BPF_JEQ, BPF_REG_0, BPF_REG_2, 2),
+	BPF_MOV64_IMM(BPF_REG_0, 1),
+	BPF_EXIT_INSN(),
+	BPF_LD_IMM64(BPF_REG_3, 0xeeff0d413122ULL),
+	BPF_ALU64_IMM(BPF_DIV, BPF_REG_3, 0xfefeeeULL),
+	BPF_JMP_REG(BPF_JEQ, BPF_REG_3, BPF_REG_2, 2),
+	BPF_MOV64_IMM(BPF_REG_0, 1),
+	BPF_EXIT_INSN(),
+	BPF_LD_IMM64(BPF_REG_2, 0xaa93ULL),
+	BPF_ALU64_IMM(BPF_MOD, BPF_REG_1, 0xbeefULL),
+	BPF_JMP_REG(BPF_JEQ, BPF_REG_1, BPF_REG_2, 2),
+	BPF_MOV64_IMM(BPF_REG_0, 1),
+	BPF_EXIT_INSN(),
+	BPF_LD_IMM64(BPF_REG_1, 0xfefeeeULL),
+	BPF_LD_IMM64(BPF_REG_3, 0xbeefULL),
+	BPF_ALU64_REG(BPF_MOD, BPF_REG_1, BPF_REG_3),
+	BPF_JMP_REG(BPF_JEQ, BPF_REG_1, BPF_REG_2, 2),
+	BPF_MOV64_IMM(BPF_REG_0, 1),
+	BPF_EXIT_INSN(),
+	BPF_LD_IMM64(BPF_REG_2, 0x5ee1dULL),
+	BPF_LD_IMM64(BPF_REG_1, 0xfefeeeULL),
+	BPF_LD_IMM64(BPF_REG_3, 0x2bULL),
+	BPF_ALU32_REG(BPF_DIV, BPF_REG_1, BPF_REG_3),
+	BPF_JMP_REG(BPF_JEQ, BPF_REG_1, BPF_REG_2, 2),
+	BPF_MOV64_IMM(BPF_REG_0, 1),
+	BPF_EXIT_INSN(),
+	BPF_ALU32_REG(BPF_DIV, BPF_REG_1, BPF_REG_1),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 1, 2),
+	BPF_MOV64_IMM(BPF_REG_0, 1),
+	BPF_EXIT_INSN(),
+	BPF_ALU64_REG(BPF_MOD, BPF_REG_2, BPF_REG_2),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_2, 0, 2),
+	BPF_MOV64_IMM(BPF_REG_0, 1),
+	BPF_EXIT_INSN(),
+	BPF_MOV64_IMM(BPF_REG_0, 2),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.retval = 2,
+},
+{
+	"jit: jsgt, jslt",
+	.insns = {
+	BPF_LD_IMM64(BPF_REG_1, 0x80000000ULL),
+	BPF_LD_IMM64(BPF_REG_2, 0x0ULL),
+	BPF_JMP_REG(BPF_JSGT, BPF_REG_1, BPF_REG_2, 2),
+	BPF_MOV64_IMM(BPF_REG_0, 1),
+	BPF_EXIT_INSN(),
+
+	BPF_JMP_REG(BPF_JSLT, BPF_REG_2, BPF_REG_1, 2),
+	BPF_MOV64_IMM(BPF_REG_0, 1),
+	BPF_EXIT_INSN(),
+
+	BPF_MOV64_IMM(BPF_REG_0, 2),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.retval = 2,
+},
+{
+	"jit: torturous jumps, imm8 nop jmp and pure jump padding",
+	.insns = { },
+	.fill_helper = bpf_fill_torturous_jumps,
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.result = ACCEPT,
+	.retval = 1,
+},
+{
+	"jit: torturous jumps, imm32 nop jmp and jmp_cond padding",
+	.insns = { },
+	.fill_helper = bpf_fill_torturous_jumps,
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.result = ACCEPT,
+	.retval = 2,
+},
+{
+	"jit: torturous jumps in subprog",
+	.insns = { },
+	.fill_helper = bpf_fill_torturous_jumps,
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.result = ACCEPT,
+	.retval = 3,
+},
diff --git a/tools/testing/selftests/bpf/verifier/jmp32.c b/tools/testing/selftests/bpf/verifier/jmp32.c
new file mode 100644
index 000000000..1a27a6210
--- /dev/null
+++ b/tools/testing/selftests/bpf/verifier/jmp32.c
@@ -0,0 +1,887 @@
+{
+	"jset32: BPF_K",
+	.insns = {
+	BPF_DIRECT_PKT_R2,
+	BPF_LDX_MEM(BPF_DW, BPF_REG_7, BPF_REG_2, 0),
+	/* reg, high bits shouldn't be tested */
+	BPF_JMP32_IMM(BPF_JSET, BPF_REG_7, -2, 1),
+	BPF_JMP_IMM(BPF_JA, 0, 0, 1),
+	BPF_EXIT_INSN(),
+
+	BPF_JMP32_IMM(BPF_JSET, BPF_REG_7, 1, 1),
+	BPF_EXIT_INSN(),
+	BPF_MOV64_IMM(BPF_REG_0, 2),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.result = ACCEPT,
+	.runs = 3,
+	.retvals = {
+		{ .retval = 0,
+		  .data64 = { 1ULL << 63, }
+		},
+		{ .retval = 2,
+		  .data64 = { 1, }
+		},
+		{ .retval = 2,
+		  .data64 = { 1ULL << 63 | 1, }
+		},
+	},
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"jset32: BPF_X",
+	.insns = {
+	BPF_DIRECT_PKT_R2,
+	BPF_LDX_MEM(BPF_DW, BPF_REG_7, BPF_REG_2, 0),
+	BPF_LD_IMM64(BPF_REG_8, 0x8000000000000000),
+	BPF_JMP32_REG(BPF_JSET, BPF_REG_7, BPF_REG_8, 1),
+	BPF_JMP_IMM(BPF_JA, 0, 0, 1),
+	BPF_EXIT_INSN(),
+
+	BPF_LD_IMM64(BPF_REG_8, 0x8000000000000001),
+	BPF_JMP32_REG(BPF_JSET, BPF_REG_7, BPF_REG_8, 1),
+	BPF_EXIT_INSN(),
+	BPF_MOV64_IMM(BPF_REG_0, 2),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.result = ACCEPT,
+	.runs = 3,
+	.retvals = {
+		{ .retval = 0,
+		  .data64 = { 1ULL << 63, }
+		},
+		{ .retval = 2,
+		  .data64 = { 1, }
+		},
+		{ .retval = 2,
+		  .data64 = { 1ULL << 63 | 1, }
+		},
+	},
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"jset32: ignores upper bits",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_LD_IMM64(BPF_REG_7, 0x8000000000000000),
+	BPF_LD_IMM64(BPF_REG_8, 0x8000000000000000),
+	BPF_JMP_REG(BPF_JSET, BPF_REG_7, BPF_REG_8, 1),
+	BPF_EXIT_INSN(),
+	BPF_JMP32_REG(BPF_JSET, BPF_REG_7, BPF_REG_8, 1),
+	BPF_MOV64_IMM(BPF_REG_0, 2),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.retval = 2,
+},
+{
+	"jset32: min/max deduction",
+	.insns = {
+	BPF_RAND_UEXT_R7,
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_JMP32_IMM(BPF_JSET, BPF_REG_7, 0x10, 1),
+	BPF_EXIT_INSN(),
+	BPF_JMP32_IMM(BPF_JGE, BPF_REG_7, 0x10, 1),
+	BPF_LDX_MEM(BPF_B, BPF_REG_8, BPF_REG_9, 0),
+	BPF_EXIT_INSN(),
+	},
+	.errstr_unpriv = "R9 !read_ok",
+	.result_unpriv = REJECT,
+	.result = ACCEPT,
+},
+{
+	"jeq32: BPF_K",
+	.insns = {
+	BPF_DIRECT_PKT_R2,
+	BPF_LDX_MEM(BPF_DW, BPF_REG_7, BPF_REG_2, 0),
+	BPF_JMP32_IMM(BPF_JEQ, BPF_REG_7, -1, 1),
+	BPF_EXIT_INSN(),
+	BPF_MOV64_IMM(BPF_REG_0, 2),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.result = ACCEPT,
+	.runs = 2,
+	.retvals = {
+		{ .retval = 0,
+		  .data64 = { -2, }
+		},
+		{ .retval = 2,
+		  .data64 = { -1, }
+		},
+	},
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"jeq32: BPF_X",
+	.insns = {
+	BPF_DIRECT_PKT_R2,
+	BPF_LDX_MEM(BPF_DW, BPF_REG_7, BPF_REG_2, 0),
+	BPF_LD_IMM64(BPF_REG_8, 0x7000000000000001),
+	BPF_JMP32_REG(BPF_JEQ, BPF_REG_7, BPF_REG_8, 1),
+	BPF_EXIT_INSN(),
+	BPF_MOV64_IMM(BPF_REG_0, 2),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.result = ACCEPT,
+	.runs = 3,
+	.retvals = {
+		{ .retval = 0,
+		  .data64 = { 2, }
+		},
+		{ .retval = 2,
+		  .data64 = { 1, }
+		},
+		{ .retval = 2,
+		  .data64 = { 1ULL << 63 | 1, }
+		},
+	},
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"jeq32: min/max deduction",
+	.insns = {
+	BPF_RAND_UEXT_R7,
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_JMP32_IMM(BPF_JEQ, BPF_REG_7, 0x10, 1),
+	BPF_EXIT_INSN(),
+	BPF_JMP32_IMM(BPF_JSGE, BPF_REG_7, 0xf, 1),
+	BPF_LDX_MEM(BPF_B, BPF_REG_8, BPF_REG_9, 0),
+	BPF_EXIT_INSN(),
+	},
+	.errstr_unpriv = "R9 !read_ok",
+	.result_unpriv = REJECT,
+	.result = ACCEPT,
+},
+{
+	"jne32: BPF_K",
+	.insns = {
+	BPF_DIRECT_PKT_R2,
+	BPF_LDX_MEM(BPF_DW, BPF_REG_7, BPF_REG_2, 0),
+	BPF_JMP32_IMM(BPF_JNE, BPF_REG_7, -1, 1),
+	BPF_EXIT_INSN(),
+	BPF_MOV64_IMM(BPF_REG_0, 2),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.result = ACCEPT,
+	.runs = 2,
+	.retvals = {
+		{ .retval = 2,
+		  .data64 = { 1, }
+		},
+		{ .retval = 0,
+		  .data64 = { -1, }
+		},
+	},
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"jne32: BPF_X",
+	.insns = {
+	BPF_DIRECT_PKT_R2,
+	BPF_LDX_MEM(BPF_DW, BPF_REG_7, BPF_REG_2, 0),
+	BPF_LD_IMM64(BPF_REG_8, 0x8000000000000001),
+	BPF_JMP32_REG(BPF_JNE, BPF_REG_7, BPF_REG_8, 1),
+	BPF_EXIT_INSN(),
+	BPF_MOV64_IMM(BPF_REG_0, 2),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.result = ACCEPT,
+	.runs = 3,
+	.retvals = {
+		{ .retval = 0,
+		  .data64 = { 1, }
+		},
+		{ .retval = 2,
+		  .data64 = { 2, }
+		},
+		{ .retval = 2,
+		  .data64 = { 1ULL << 63 | 2, }
+		},
+	},
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"jne32: min/max deduction",
+	.insns = {
+	BPF_RAND_UEXT_R7,
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_JMP32_IMM(BPF_JNE, BPF_REG_7, 0x10, 1),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_7, 0x10, 1),
+	BPF_EXIT_INSN(),
+	BPF_LDX_MEM(BPF_B, BPF_REG_8, BPF_REG_9, 0),
+	BPF_EXIT_INSN(),
+	},
+	.errstr_unpriv = "R9 !read_ok",
+	.result_unpriv = REJECT,
+	.result = ACCEPT,
+},
+{
+	"jge32: BPF_K",
+	.insns = {
+	BPF_DIRECT_PKT_R2,
+	BPF_LDX_MEM(BPF_DW, BPF_REG_7, BPF_REG_2, 0),
+	BPF_JMP32_IMM(BPF_JGE, BPF_REG_7, UINT_MAX - 1, 1),
+	BPF_EXIT_INSN(),
+	BPF_ALU32_IMM(BPF_MOV, BPF_REG_0, 2),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.result = ACCEPT,
+	.runs = 3,
+	.retvals = {
+		{ .retval = 2,
+		  .data64 = { UINT_MAX, }
+		},
+		{ .retval = 2,
+		  .data64 = { UINT_MAX - 1, }
+		},
+		{ .retval = 0,
+		  .data64 = { 0, }
+		},
+	},
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"jge32: BPF_X",
+	.insns = {
+	BPF_DIRECT_PKT_R2,
+	BPF_LD_IMM64(BPF_REG_8, UINT_MAX | 1ULL << 32),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_7, BPF_REG_2, 0),
+	BPF_JMP32_REG(BPF_JGE, BPF_REG_7, BPF_REG_8, 1),
+	BPF_EXIT_INSN(),
+	BPF_ALU32_IMM(BPF_MOV, BPF_REG_0, 2),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.result = ACCEPT,
+	.runs = 3,
+	.retvals = {
+		{ .retval = 2,
+		  .data64 = { UINT_MAX, }
+		},
+		{ .retval = 0,
+		  .data64 = { INT_MAX, }
+		},
+		{ .retval = 0,
+		  .data64 = { (UINT_MAX - 1) | 2ULL << 32, }
+		},
+	},
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"jge32: min/max deduction",
+	.insns = {
+	BPF_RAND_UEXT_R7,
+	BPF_ALU32_IMM(BPF_MOV, BPF_REG_0, 2),
+	BPF_LD_IMM64(BPF_REG_8, 0x7ffffff0 | 1ULL << 32),
+	BPF_JMP32_REG(BPF_JGE, BPF_REG_7, BPF_REG_8, 1),
+	BPF_EXIT_INSN(),
+	BPF_JMP32_IMM(BPF_JGE, BPF_REG_7, 0x7ffffff0, 1),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.errstr_unpriv = "R0 invalid mem access 'scalar'",
+	.result_unpriv = REJECT,
+	.result = ACCEPT,
+	.retval = 2,
+},
+{
+	"jgt32: BPF_K",
+	.insns = {
+	BPF_DIRECT_PKT_R2,
+	BPF_LDX_MEM(BPF_DW, BPF_REG_7, BPF_REG_2, 0),
+	BPF_JMP32_IMM(BPF_JGT, BPF_REG_7, UINT_MAX - 1, 1),
+	BPF_EXIT_INSN(),
+	BPF_ALU32_IMM(BPF_MOV, BPF_REG_0, 2),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.result = ACCEPT,
+	.runs = 3,
+	.retvals = {
+		{ .retval = 2,
+		  .data64 = { UINT_MAX, }
+		},
+		{ .retval = 0,
+		  .data64 = { UINT_MAX - 1, }
+		},
+		{ .retval = 0,
+		  .data64 = { 0, }
+		},
+	},
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"jgt32: BPF_X",
+	.insns = {
+	BPF_DIRECT_PKT_R2,
+	BPF_LD_IMM64(BPF_REG_8, (UINT_MAX - 1) | 1ULL << 32),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_7, BPF_REG_2, 0),
+	BPF_JMP32_REG(BPF_JGT, BPF_REG_7, BPF_REG_8, 1),
+	BPF_EXIT_INSN(),
+	BPF_ALU32_IMM(BPF_MOV, BPF_REG_0, 2),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.result = ACCEPT,
+	.runs = 3,
+	.retvals = {
+		{ .retval = 2,
+		  .data64 = { UINT_MAX, }
+		},
+		{ .retval = 0,
+		  .data64 = { UINT_MAX - 1, }
+		},
+		{ .retval = 0,
+		  .data64 = { (UINT_MAX - 1) | 2ULL << 32, }
+		},
+	},
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"jgt32: min/max deduction",
+	.insns = {
+	BPF_RAND_UEXT_R7,
+	BPF_ALU32_IMM(BPF_MOV, BPF_REG_0, 2),
+	BPF_LD_IMM64(BPF_REG_8, 0x7ffffff0 | 1ULL << 32),
+	BPF_JMP32_REG(BPF_JGT, BPF_REG_7, BPF_REG_8, 1),
+	BPF_EXIT_INSN(),
+	BPF_JMP_IMM(BPF_JGT, BPF_REG_7, 0x7ffffff0, 1),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.errstr_unpriv = "R0 invalid mem access 'scalar'",
+	.result_unpriv = REJECT,
+	.result = ACCEPT,
+	.retval = 2,
+},
+{
+	"jle32: BPF_K",
+	.insns = {
+	BPF_DIRECT_PKT_R2,
+	BPF_LDX_MEM(BPF_DW, BPF_REG_7, BPF_REG_2, 0),
+	BPF_JMP32_IMM(BPF_JLE, BPF_REG_7, INT_MAX, 1),
+	BPF_EXIT_INSN(),
+	BPF_ALU32_IMM(BPF_MOV, BPF_REG_0, 2),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.result = ACCEPT,
+	.runs = 3,
+	.retvals = {
+		{ .retval = 2,
+		  .data64 = { INT_MAX - 1, }
+		},
+		{ .retval = 0,
+		  .data64 = { UINT_MAX, }
+		},
+		{ .retval = 2,
+		  .data64 = { INT_MAX, }
+		},
+	},
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"jle32: BPF_X",
+	.insns = {
+	BPF_DIRECT_PKT_R2,
+	BPF_LD_IMM64(BPF_REG_8, (INT_MAX - 1) | 2ULL << 32),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_7, BPF_REG_2, 0),
+	BPF_JMP32_REG(BPF_JLE, BPF_REG_7, BPF_REG_8, 1),
+	BPF_EXIT_INSN(),
+	BPF_ALU32_IMM(BPF_MOV, BPF_REG_0, 2),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.result = ACCEPT,
+	.runs = 3,
+	.retvals = {
+		{ .retval = 0,
+		  .data64 = { INT_MAX | 1ULL << 32, }
+		},
+		{ .retval = 2,
+		  .data64 = { INT_MAX - 2, }
+		},
+		{ .retval = 0,
+		  .data64 = { UINT_MAX, }
+		},
+	},
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"jle32: min/max deduction",
+	.insns = {
+	BPF_RAND_UEXT_R7,
+	BPF_ALU32_IMM(BPF_MOV, BPF_REG_0, 2),
+	BPF_LD_IMM64(BPF_REG_8, 0x7ffffff0 | 1ULL << 32),
+	BPF_JMP32_REG(BPF_JLE, BPF_REG_7, BPF_REG_8, 1),
+	BPF_EXIT_INSN(),
+	BPF_JMP32_IMM(BPF_JLE, BPF_REG_7, 0x7ffffff0, 1),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.errstr_unpriv = "R0 invalid mem access 'scalar'",
+	.result_unpriv = REJECT,
+	.result = ACCEPT,
+	.retval = 2,
+},
+{
+	"jlt32: BPF_K",
+	.insns = {
+	BPF_DIRECT_PKT_R2,
+	BPF_LDX_MEM(BPF_DW, BPF_REG_7, BPF_REG_2, 0),
+	BPF_JMP32_IMM(BPF_JLT, BPF_REG_7, INT_MAX, 1),
+	BPF_EXIT_INSN(),
+	BPF_ALU32_IMM(BPF_MOV, BPF_REG_0, 2),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.result = ACCEPT,
+	.runs = 3,
+	.retvals = {
+		{ .retval = 0,
+		  .data64 = { INT_MAX, }
+		},
+		{ .retval = 0,
+		  .data64 = { UINT_MAX, }
+		},
+		{ .retval = 2,
+		  .data64 = { INT_MAX - 1, }
+		},
+	},
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"jlt32: BPF_X",
+	.insns = {
+	BPF_DIRECT_PKT_R2,
+	BPF_LD_IMM64(BPF_REG_8, INT_MAX | 2ULL << 32),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_7, BPF_REG_2, 0),
+	BPF_JMP32_REG(BPF_JLT, BPF_REG_7, BPF_REG_8, 1),
+	BPF_EXIT_INSN(),
+	BPF_ALU32_IMM(BPF_MOV, BPF_REG_0, 2),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.result = ACCEPT,
+	.runs = 3,
+	.retvals = {
+		{ .retval = 0,
+		  .data64 = { INT_MAX | 1ULL << 32, }
+		},
+		{ .retval = 0,
+		  .data64 = { UINT_MAX, }
+		},
+		{ .retval = 2,
+		  .data64 = { (INT_MAX - 1) | 3ULL << 32, }
+		},
+	},
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"jlt32: min/max deduction",
+	.insns = {
+	BPF_RAND_UEXT_R7,
+	BPF_ALU32_IMM(BPF_MOV, BPF_REG_0, 2),
+	BPF_LD_IMM64(BPF_REG_8, 0x7ffffff0 | 1ULL << 32),
+	BPF_JMP32_REG(BPF_JLT, BPF_REG_7, BPF_REG_8, 1),
+	BPF_EXIT_INSN(),
+	BPF_JMP_IMM(BPF_JSLT, BPF_REG_7, 0x7ffffff0, 1),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.errstr_unpriv = "R0 invalid mem access 'scalar'",
+	.result_unpriv = REJECT,
+	.result = ACCEPT,
+	.retval = 2,
+},
+{
+	"jsge32: BPF_K",
+	.insns = {
+	BPF_DIRECT_PKT_R2,
+	BPF_LDX_MEM(BPF_DW, BPF_REG_7, BPF_REG_2, 0),
+	BPF_JMP32_IMM(BPF_JSGE, BPF_REG_7, -1, 1),
+	BPF_EXIT_INSN(),
+	BPF_ALU32_IMM(BPF_MOV, BPF_REG_0, 2),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.result = ACCEPT,
+	.runs = 3,
+	.retvals = {
+		{ .retval = 2,
+		  .data64 = { 0, }
+		},
+		{ .retval = 2,
+		  .data64 = { -1, }
+		},
+		{ .retval = 0,
+		  .data64 = { -2, }
+		},
+	},
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"jsge32: BPF_X",
+	.insns = {
+	BPF_DIRECT_PKT_R2,
+	BPF_LD_IMM64(BPF_REG_8, (__u32)-1 | 2ULL << 32),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_7, BPF_REG_2, 0),
+	BPF_JMP32_REG(BPF_JSGE, BPF_REG_7, BPF_REG_8, 1),
+	BPF_EXIT_INSN(),
+	BPF_ALU32_IMM(BPF_MOV, BPF_REG_0, 2),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.result = ACCEPT,
+	.runs = 3,
+	.retvals = {
+		{ .retval = 2,
+		  .data64 = { -1, }
+		},
+		{ .retval = 2,
+		  .data64 = { 0x7fffffff | 1ULL << 32, }
+		},
+		{ .retval = 0,
+		  .data64 = { -2, }
+		},
+	},
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"jsge32: min/max deduction",
+	.insns = {
+	BPF_RAND_UEXT_R7,
+	BPF_ALU32_IMM(BPF_MOV, BPF_REG_0, 2),
+	BPF_LD_IMM64(BPF_REG_8, 0x7ffffff0 | 1ULL << 32),
+	BPF_JMP32_REG(BPF_JSGE, BPF_REG_7, BPF_REG_8, 1),
+	BPF_EXIT_INSN(),
+	BPF_JMP_IMM(BPF_JSGE, BPF_REG_7, 0x7ffffff0, 1),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.errstr_unpriv = "R0 invalid mem access 'scalar'",
+	.result_unpriv = REJECT,
+	.result = ACCEPT,
+	.retval = 2,
+},
+{
+	"jsgt32: BPF_K",
+	.insns = {
+	BPF_DIRECT_PKT_R2,
+	BPF_LDX_MEM(BPF_DW, BPF_REG_7, BPF_REG_2, 0),
+	BPF_JMP32_IMM(BPF_JSGT, BPF_REG_7, -1, 1),
+	BPF_EXIT_INSN(),
+	BPF_ALU32_IMM(BPF_MOV, BPF_REG_0, 2),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.result = ACCEPT,
+	.runs = 3,
+	.retvals = {
+		{ .retval = 0,
+		  .data64 = { (__u32)-2, }
+		},
+		{ .retval = 0,
+		  .data64 = { -1, }
+		},
+		{ .retval = 2,
+		  .data64 = { 1, }
+		},
+	},
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"jsgt32: BPF_X",
+	.insns = {
+	BPF_DIRECT_PKT_R2,
+	BPF_LD_IMM64(BPF_REG_8, 0x7ffffffe | 1ULL << 32),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_7, BPF_REG_2, 0),
+	BPF_JMP32_REG(BPF_JSGT, BPF_REG_7, BPF_REG_8, 1),
+	BPF_EXIT_INSN(),
+	BPF_ALU32_IMM(BPF_MOV, BPF_REG_0, 2),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.result = ACCEPT,
+	.runs = 3,
+	.retvals = {
+		{ .retval = 0,
+		  .data64 = { 0x7ffffffe, }
+		},
+		{ .retval = 0,
+		  .data64 = { 0x1ffffffffULL, }
+		},
+		{ .retval = 2,
+		  .data64 = { 0x7fffffff, }
+		},
+	},
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"jsgt32: min/max deduction",
+	.insns = {
+	BPF_RAND_SEXT_R7,
+	BPF_ALU32_IMM(BPF_MOV, BPF_REG_0, 2),
+	BPF_LD_IMM64(BPF_REG_8, (__u32)(-2) | 1ULL << 32),
+	BPF_JMP32_REG(BPF_JSGT, BPF_REG_7, BPF_REG_8, 1),
+	BPF_EXIT_INSN(),
+	BPF_JMP_IMM(BPF_JSGT, BPF_REG_7, -2, 1),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.errstr_unpriv = "R0 invalid mem access 'scalar'",
+	.result_unpriv = REJECT,
+	.result = ACCEPT,
+	.retval = 2,
+},
+{
+	"jsle32: BPF_K",
+	.insns = {
+	BPF_DIRECT_PKT_R2,
+	BPF_LDX_MEM(BPF_DW, BPF_REG_7, BPF_REG_2, 0),
+	BPF_JMP32_IMM(BPF_JSLE, BPF_REG_7, -1, 1),
+	BPF_EXIT_INSN(),
+	BPF_ALU32_IMM(BPF_MOV, BPF_REG_0, 2),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.result = ACCEPT,
+	.runs = 3,
+	.retvals = {
+		{ .retval = 2,
+		  .data64 = { (__u32)-2, }
+		},
+		{ .retval = 2,
+		  .data64 = { -1, }
+		},
+		{ .retval = 0,
+		  .data64 = { 1, }
+		},
+	},
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"jsle32: BPF_X",
+	.insns = {
+	BPF_DIRECT_PKT_R2,
+	BPF_LD_IMM64(BPF_REG_8, 0x7ffffffe | 1ULL << 32),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_7, BPF_REG_2, 0),
+	BPF_JMP32_REG(BPF_JSLE, BPF_REG_7, BPF_REG_8, 1),
+	BPF_EXIT_INSN(),
+	BPF_ALU32_IMM(BPF_MOV, BPF_REG_0, 2),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.result = ACCEPT,
+	.runs = 3,
+	.retvals = {
+		{ .retval = 2,
+		  .data64 = { 0x7ffffffe, }
+		},
+		{ .retval = 2,
+		  .data64 = { (__u32)-1, }
+		},
+		{ .retval = 0,
+		  .data64 = { 0x7fffffff | 2ULL << 32, }
+		},
+	},
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"jsle32: min/max deduction",
+	.insns = {
+	BPF_RAND_UEXT_R7,
+	BPF_ALU32_IMM(BPF_MOV, BPF_REG_0, 2),
+	BPF_LD_IMM64(BPF_REG_8, 0x7ffffff0 | 1ULL << 32),
+	BPF_JMP32_REG(BPF_JSLE, BPF_REG_7, BPF_REG_8, 1),
+	BPF_EXIT_INSN(),
+	BPF_JMP_IMM(BPF_JSLE, BPF_REG_7, 0x7ffffff0, 1),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.errstr_unpriv = "R0 invalid mem access 'scalar'",
+	.result_unpriv = REJECT,
+	.result = ACCEPT,
+	.retval = 2,
+},
+{
+	"jslt32: BPF_K",
+	.insns = {
+	BPF_DIRECT_PKT_R2,
+	BPF_LDX_MEM(BPF_DW, BPF_REG_7, BPF_REG_2, 0),
+	BPF_JMP32_IMM(BPF_JSLT, BPF_REG_7, -1, 1),
+	BPF_EXIT_INSN(),
+	BPF_ALU32_IMM(BPF_MOV, BPF_REG_0, 2),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.result = ACCEPT,
+	.runs = 3,
+	.retvals = {
+		{ .retval = 2,
+		  .data64 = { (__u32)-2, }
+		},
+		{ .retval = 0,
+		  .data64 = { -1, }
+		},
+		{ .retval = 0,
+		  .data64 = { 1, }
+		},
+	},
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"jslt32: BPF_X",
+	.insns = {
+	BPF_DIRECT_PKT_R2,
+	BPF_LD_IMM64(BPF_REG_8, 0x7fffffff | 1ULL << 32),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_7, BPF_REG_2, 0),
+	BPF_JMP32_REG(BPF_JSLT, BPF_REG_7, BPF_REG_8, 1),
+	BPF_EXIT_INSN(),
+	BPF_ALU32_IMM(BPF_MOV, BPF_REG_0, 2),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.result = ACCEPT,
+	.runs = 3,
+	.retvals = {
+		{ .retval = 2,
+		  .data64 = { 0x7ffffffe, }
+		},
+		{ .retval = 2,
+		  .data64 = { 0xffffffff, }
+		},
+		{ .retval = 0,
+		  .data64 = { 0x7fffffff | 2ULL << 32, }
+		},
+	},
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"jslt32: min/max deduction",
+	.insns = {
+	BPF_RAND_SEXT_R7,
+	BPF_ALU32_IMM(BPF_MOV, BPF_REG_0, 2),
+	BPF_LD_IMM64(BPF_REG_8, (__u32)(-1) | 1ULL << 32),
+	BPF_JMP32_REG(BPF_JSLT, BPF_REG_7, BPF_REG_8, 1),
+	BPF_EXIT_INSN(),
+	BPF_JMP32_IMM(BPF_JSLT, BPF_REG_7, -1, 1),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.errstr_unpriv = "R0 invalid mem access 'scalar'",
+	.result_unpriv = REJECT,
+	.result = ACCEPT,
+	.retval = 2,
+},
+{
+	"jgt32: range bound deduction, reg op imm",
+	.insns = {
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+	BPF_MOV64_REG(BPF_REG_8, BPF_REG_1),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 9),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_8),
+	BPF_MOV64_REG(BPF_REG_8, BPF_REG_0),
+	BPF_EMIT_CALL(BPF_FUNC_get_cgroup_classid),
+	BPF_JMP32_IMM(BPF_JGT, BPF_REG_0, 1, 5),
+	BPF_MOV32_REG(BPF_REG_6, BPF_REG_0),
+	BPF_ALU64_IMM(BPF_LSH, BPF_REG_6, 32),
+	BPF_ALU64_IMM(BPF_RSH, BPF_REG_6, 32),
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_8, BPF_REG_6),
+	BPF_ST_MEM(BPF_B, BPF_REG_8, 0, 0),
+	BPF_MOV32_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.fixup_map_hash_48b = { 4 },
+	.result = ACCEPT,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"jgt32: range bound deduction, reg1 op reg2, reg1 unknown",
+	.insns = {
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+	BPF_MOV64_REG(BPF_REG_8, BPF_REG_1),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 10),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_8),
+	BPF_MOV64_REG(BPF_REG_8, BPF_REG_0),
+	BPF_EMIT_CALL(BPF_FUNC_get_cgroup_classid),
+	BPF_MOV32_IMM(BPF_REG_2, 1),
+	BPF_JMP32_REG(BPF_JGT, BPF_REG_0, BPF_REG_2, 5),
+	BPF_MOV32_REG(BPF_REG_6, BPF_REG_0),
+	BPF_ALU64_IMM(BPF_LSH, BPF_REG_6, 32),
+	BPF_ALU64_IMM(BPF_RSH, BPF_REG_6, 32),
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_8, BPF_REG_6),
+	BPF_ST_MEM(BPF_B, BPF_REG_8, 0, 0),
+	BPF_MOV32_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.fixup_map_hash_48b = { 4 },
+	.result = ACCEPT,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"jle32: range bound deduction, reg1 op reg2, reg2 unknown",
+	.insns = {
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+	BPF_MOV64_REG(BPF_REG_8, BPF_REG_1),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 10),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_8),
+	BPF_MOV64_REG(BPF_REG_8, BPF_REG_0),
+	BPF_EMIT_CALL(BPF_FUNC_get_cgroup_classid),
+	BPF_MOV32_IMM(BPF_REG_2, 1),
+	BPF_JMP32_REG(BPF_JLE, BPF_REG_2, BPF_REG_0, 5),
+	BPF_MOV32_REG(BPF_REG_6, BPF_REG_0),
+	BPF_ALU64_IMM(BPF_LSH, BPF_REG_6, 32),
+	BPF_ALU64_IMM(BPF_RSH, BPF_REG_6, 32),
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_8, BPF_REG_6),
+	BPF_ST_MEM(BPF_B, BPF_REG_8, 0, 0),
+	BPF_MOV32_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.fixup_map_hash_48b = { 4 },
+	.result = ACCEPT,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"jeq32/jne32: bounds checking",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_6, 563),
+	BPF_MOV64_IMM(BPF_REG_2, 0),
+	BPF_ALU64_IMM(BPF_NEG, BPF_REG_2, 0),
+	BPF_ALU64_IMM(BPF_NEG, BPF_REG_2, 0),
+	BPF_ALU32_REG(BPF_OR, BPF_REG_2, BPF_REG_6),
+	BPF_JMP32_IMM(BPF_JNE, BPF_REG_2, 8, 5),
+	BPF_JMP_IMM(BPF_JSGE, BPF_REG_2, 500, 2),
+	BPF_MOV64_IMM(BPF_REG_0, 2),
+	BPF_EXIT_INSN(),
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_4),
+	BPF_EXIT_INSN(),
+	BPF_MOV64_IMM(BPF_REG_0, 1),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.result = ACCEPT,
+	.retval = 1,
+},
diff --git a/tools/testing/selftests/bpf/verifier/jset.c b/tools/testing/selftests/bpf/verifier/jset.c
new file mode 100644
index 000000000..11fc68da7
--- /dev/null
+++ b/tools/testing/selftests/bpf/verifier/jset.c
@@ -0,0 +1,169 @@
+{
+	"jset: functional",
+	.insns = {
+	BPF_DIRECT_PKT_R2,
+	BPF_LDX_MEM(BPF_DW, BPF_REG_7, BPF_REG_2, 0),
+
+	/* reg, bit 63 or bit 0 set, taken */
+	BPF_LD_IMM64(BPF_REG_8, 0x8000000000000001),
+	BPF_JMP_REG(BPF_JSET, BPF_REG_7, BPF_REG_8, 1),
+	BPF_EXIT_INSN(),
+
+	/* reg, bit 62, not taken */
+	BPF_LD_IMM64(BPF_REG_8, 0x4000000000000000),
+	BPF_JMP_REG(BPF_JSET, BPF_REG_7, BPF_REG_8, 1),
+	BPF_JMP_IMM(BPF_JA, 0, 0, 1),
+	BPF_EXIT_INSN(),
+
+	/* imm, any bit set, taken */
+	BPF_JMP_IMM(BPF_JSET, BPF_REG_7, -1, 1),
+	BPF_EXIT_INSN(),
+
+	/* imm, bit 31 set, taken */
+	BPF_JMP_IMM(BPF_JSET, BPF_REG_7, 0x80000000, 1),
+	BPF_EXIT_INSN(),
+
+	/* all good - return r0 == 2 */
+	BPF_MOV64_IMM(BPF_REG_0, 2),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.result = ACCEPT,
+	.runs = 7,
+	.retvals = {
+		{ .retval = 2,
+		  .data64 = { (1ULL << 63) | (1U << 31) | (1U << 0), }
+		},
+		{ .retval = 2,
+		  .data64 = { (1ULL << 63) | (1U << 31), }
+		},
+		{ .retval = 2,
+		  .data64 = { (1ULL << 31) | (1U << 0), }
+		},
+		{ .retval = 2,
+		  .data64 = { (__u32)-1, }
+		},
+		{ .retval = 2,
+		  .data64 = { ~0x4000000000000000ULL, }
+		},
+		{ .retval = 0,
+		  .data64 = { 0, }
+		},
+		{ .retval = 0,
+		  .data64 = { ~0ULL, }
+		},
+	},
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"jset: sign-extend",
+	.insns = {
+	BPF_DIRECT_PKT_R2,
+	BPF_LDX_MEM(BPF_DW, BPF_REG_7, BPF_REG_2, 0),
+
+	BPF_JMP_IMM(BPF_JSET, BPF_REG_7, 0x80000000, 1),
+	BPF_EXIT_INSN(),
+
+	BPF_MOV64_IMM(BPF_REG_0, 2),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.result = ACCEPT,
+	.retval = 2,
+	.data = { 1, 0, 0, 0, 0, 0, 0, 1, },
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"jset: known const compare",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_0, 1),
+	BPF_JMP_IMM(BPF_JSET, BPF_REG_0, 1, 1),
+	BPF_LDX_MEM(BPF_B, BPF_REG_8, BPF_REG_9, 0),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SOCKET_FILTER,
+	.errstr_unpriv = "R9 !read_ok",
+	.result_unpriv = REJECT,
+	.retval = 1,
+	.result = ACCEPT,
+},
+{
+	"jset: known const compare bad",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_JMP_IMM(BPF_JSET, BPF_REG_0, 1, 1),
+	BPF_LDX_MEM(BPF_B, BPF_REG_8, BPF_REG_9, 0),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SOCKET_FILTER,
+	.errstr_unpriv = "!read_ok",
+	.result_unpriv = REJECT,
+	.errstr = "!read_ok",
+	.result = REJECT,
+},
+{
+	"jset: unknown const compare taken",
+	.insns = {
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_prandom_u32),
+	BPF_JMP_IMM(BPF_JSET, BPF_REG_0, 1, 1),
+	BPF_JMP_IMM(BPF_JA, 0, 0, 1),
+	BPF_LDX_MEM(BPF_B, BPF_REG_8, BPF_REG_9, 0),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SOCKET_FILTER,
+	.errstr_unpriv = "!read_ok",
+	.result_unpriv = REJECT,
+	.errstr = "!read_ok",
+	.result = REJECT,
+},
+{
+	"jset: unknown const compare not taken",
+	.insns = {
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_prandom_u32),
+	BPF_JMP_IMM(BPF_JSET, BPF_REG_0, 1, 1),
+	BPF_LDX_MEM(BPF_B, BPF_REG_8, BPF_REG_9, 0),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SOCKET_FILTER,
+	.errstr_unpriv = "!read_ok",
+	.result_unpriv = REJECT,
+	.errstr = "!read_ok",
+	.result = REJECT,
+},
+{
+	"jset: half-known const compare",
+	.insns = {
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_prandom_u32),
+	BPF_ALU64_IMM(BPF_OR, BPF_REG_0, 2),
+	BPF_JMP_IMM(BPF_JSET, BPF_REG_0, 3, 1),
+	BPF_LDX_MEM(BPF_B, BPF_REG_8, BPF_REG_9, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SOCKET_FILTER,
+	.errstr_unpriv = "R9 !read_ok",
+	.result_unpriv = REJECT,
+	.result = ACCEPT,
+},
+{
+	"jset: range",
+	.insns = {
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_prandom_u32),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_ALU64_IMM(BPF_AND, BPF_REG_1, 0xff),
+	BPF_JMP_IMM(BPF_JSET, BPF_REG_1, 0xf0, 3),
+	BPF_JMP_IMM(BPF_JLT, BPF_REG_1, 0x10, 1),
+	BPF_LDX_MEM(BPF_B, BPF_REG_8, BPF_REG_9, 0),
+	BPF_EXIT_INSN(),
+	BPF_JMP_IMM(BPF_JSET, BPF_REG_1, 0x10, 1),
+	BPF_EXIT_INSN(),
+	BPF_JMP_IMM(BPF_JGE, BPF_REG_1, 0x10, 1),
+	BPF_LDX_MEM(BPF_B, BPF_REG_8, BPF_REG_9, 0),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SOCKET_FILTER,
+	.errstr_unpriv = "R9 !read_ok",
+	.result_unpriv = REJECT,
+	.result = ACCEPT,
+},
diff --git a/tools/testing/selftests/bpf/verifier/jump.c b/tools/testing/selftests/bpf/verifier/jump.c
new file mode 100644
index 000000000..497fe17d2
--- /dev/null
+++ b/tools/testing/selftests/bpf/verifier/jump.c
@@ -0,0 +1,397 @@
+{
+	"jump test 1",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_STX_MEM(BPF_DW, BPF_REG_2, BPF_REG_1, -8),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 0, 1),
+	BPF_ST_MEM(BPF_DW, BPF_REG_2, -8, 0),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 1, 1),
+	BPF_ST_MEM(BPF_DW, BPF_REG_2, -16, 1),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 2, 1),
+	BPF_ST_MEM(BPF_DW, BPF_REG_2, -8, 2),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 3, 1),
+	BPF_ST_MEM(BPF_DW, BPF_REG_2, -16, 3),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 4, 1),
+	BPF_ST_MEM(BPF_DW, BPF_REG_2, -8, 4),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 5, 1),
+	BPF_ST_MEM(BPF_DW, BPF_REG_2, -32, 5),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.errstr_unpriv = "R1 pointer comparison",
+	.result_unpriv = REJECT,
+	.result = ACCEPT,
+},
+{
+	"jump test 2",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 0, 2),
+	BPF_ST_MEM(BPF_DW, BPF_REG_2, -8, 0),
+	BPF_JMP_IMM(BPF_JA, 0, 0, 14),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 1, 2),
+	BPF_ST_MEM(BPF_DW, BPF_REG_2, -16, 0),
+	BPF_JMP_IMM(BPF_JA, 0, 0, 11),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 2, 2),
+	BPF_ST_MEM(BPF_DW, BPF_REG_2, -32, 0),
+	BPF_JMP_IMM(BPF_JA, 0, 0, 8),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 3, 2),
+	BPF_ST_MEM(BPF_DW, BPF_REG_2, -40, 0),
+	BPF_JMP_IMM(BPF_JA, 0, 0, 5),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 4, 2),
+	BPF_ST_MEM(BPF_DW, BPF_REG_2, -48, 0),
+	BPF_JMP_IMM(BPF_JA, 0, 0, 2),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 5, 1),
+	BPF_ST_MEM(BPF_DW, BPF_REG_2, -56, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.errstr_unpriv = "R1 pointer comparison",
+	.result_unpriv = REJECT,
+	.result = ACCEPT,
+},
+{
+	"jump test 3",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 0, 3),
+	BPF_ST_MEM(BPF_DW, BPF_REG_2, -8, 0),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_JMP_IMM(BPF_JA, 0, 0, 19),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 1, 3),
+	BPF_ST_MEM(BPF_DW, BPF_REG_2, -16, 0),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -16),
+	BPF_JMP_IMM(BPF_JA, 0, 0, 15),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 2, 3),
+	BPF_ST_MEM(BPF_DW, BPF_REG_2, -32, 0),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -32),
+	BPF_JMP_IMM(BPF_JA, 0, 0, 11),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 3, 3),
+	BPF_ST_MEM(BPF_DW, BPF_REG_2, -40, 0),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -40),
+	BPF_JMP_IMM(BPF_JA, 0, 0, 7),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 4, 3),
+	BPF_ST_MEM(BPF_DW, BPF_REG_2, -48, 0),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -48),
+	BPF_JMP_IMM(BPF_JA, 0, 0, 3),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 5, 0),
+	BPF_ST_MEM(BPF_DW, BPF_REG_2, -56, 0),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -56),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_delete_elem),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_8b = { 24 },
+	.errstr_unpriv = "R1 pointer comparison",
+	.result_unpriv = REJECT,
+	.result = ACCEPT,
+	.retval = -ENOENT,
+},
+{
+	"jump test 4",
+	.insns = {
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 1),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 2),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 3),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 4),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 1),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 2),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 3),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 4),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 1),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 2),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 3),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 4),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 1),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 2),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 3),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 4),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 1),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 2),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 3),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 4),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 1),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 2),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 3),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 4),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 1),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 2),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 3),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 4),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 1),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 2),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 3),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 4),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 1),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 2),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 3),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 4),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 0),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 0),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 0),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, BPF_REG_10, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.errstr_unpriv = "R1 pointer comparison",
+	.result_unpriv = REJECT,
+	.result = ACCEPT,
+},
+{
+	"jump test 5",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_MOV64_REG(BPF_REG_3, BPF_REG_2),
+	BPF_JMP_IMM(BPF_JGE, BPF_REG_1, 0, 2),
+	BPF_STX_MEM(BPF_DW, BPF_REG_2, BPF_REG_3, -8),
+	BPF_JMP_IMM(BPF_JA, 0, 0, 2),
+	BPF_STX_MEM(BPF_DW, BPF_REG_2, BPF_REG_2, -8),
+	BPF_JMP_IMM(BPF_JA, 0, 0, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_JMP_IMM(BPF_JGE, BPF_REG_1, 0, 2),
+	BPF_STX_MEM(BPF_DW, BPF_REG_2, BPF_REG_3, -8),
+	BPF_JMP_IMM(BPF_JA, 0, 0, 2),
+	BPF_STX_MEM(BPF_DW, BPF_REG_2, BPF_REG_2, -8),
+	BPF_JMP_IMM(BPF_JA, 0, 0, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_JMP_IMM(BPF_JGE, BPF_REG_1, 0, 2),
+	BPF_STX_MEM(BPF_DW, BPF_REG_2, BPF_REG_3, -8),
+	BPF_JMP_IMM(BPF_JA, 0, 0, 2),
+	BPF_STX_MEM(BPF_DW, BPF_REG_2, BPF_REG_2, -8),
+	BPF_JMP_IMM(BPF_JA, 0, 0, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_JMP_IMM(BPF_JGE, BPF_REG_1, 0, 2),
+	BPF_STX_MEM(BPF_DW, BPF_REG_2, BPF_REG_3, -8),
+	BPF_JMP_IMM(BPF_JA, 0, 0, 2),
+	BPF_STX_MEM(BPF_DW, BPF_REG_2, BPF_REG_2, -8),
+	BPF_JMP_IMM(BPF_JA, 0, 0, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_JMP_IMM(BPF_JGE, BPF_REG_1, 0, 2),
+	BPF_STX_MEM(BPF_DW, BPF_REG_2, BPF_REG_3, -8),
+	BPF_JMP_IMM(BPF_JA, 0, 0, 2),
+	BPF_STX_MEM(BPF_DW, BPF_REG_2, BPF_REG_2, -8),
+	BPF_JMP_IMM(BPF_JA, 0, 0, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.errstr_unpriv = "R1 pointer comparison",
+	.result_unpriv = REJECT,
+	.result = ACCEPT,
+},
+{
+	"jump test 6",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_0, 1),
+	BPF_MOV64_IMM(BPF_REG_1, 2),
+	BPF_JMP_IMM(BPF_JA, 0, 0, 2),
+	BPF_MOV64_IMM(BPF_REG_0, 2),
+	BPF_EXIT_INSN(),
+	BPF_JMP_REG(BPF_JNE, BPF_REG_0, BPF_REG_1, 16),
+	BPF_JMP_IMM(BPF_JA, 0, 0, 0),
+	BPF_JMP_IMM(BPF_JA, 0, 0, 0),
+	BPF_JMP_IMM(BPF_JA, 0, 0, 0),
+	BPF_JMP_IMM(BPF_JA, 0, 0, 0),
+	BPF_JMP_IMM(BPF_JA, 0, 0, 0),
+	BPF_JMP_IMM(BPF_JA, 0, 0, 0),
+	BPF_JMP_IMM(BPF_JA, 0, 0, 0),
+	BPF_JMP_IMM(BPF_JA, 0, 0, 0),
+	BPF_JMP_IMM(BPF_JA, 0, 0, 0),
+	BPF_JMP_IMM(BPF_JA, 0, 0, 0),
+	BPF_JMP_IMM(BPF_JA, 0, 0, 0),
+	BPF_JMP_IMM(BPF_JA, 0, 0, 0),
+	BPF_JMP_IMM(BPF_JA, 0, 0, 0),
+	BPF_JMP_IMM(BPF_JA, 0, 0, 0),
+	BPF_JMP_IMM(BPF_JA, 0, 0, 0),
+	BPF_JMP_IMM(BPF_JA, 0, 0, 0),
+	BPF_JMP_IMM(BPF_JA, 0, 0, -20),
+	},
+	.result = ACCEPT,
+	.retval = 2,
+},
+{
+	"jump test 7",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_0, 1),
+	BPF_JMP_IMM(BPF_JA, 0, 0, 2),
+	BPF_MOV64_IMM(BPF_REG_0, 3),
+	BPF_EXIT_INSN(),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 2, 16),
+	BPF_MOV64_IMM(BPF_REG_0, 42),
+	BPF_MOV64_IMM(BPF_REG_0, 42),
+	BPF_MOV64_IMM(BPF_REG_0, 42),
+	BPF_MOV64_IMM(BPF_REG_0, 42),
+	BPF_MOV64_IMM(BPF_REG_0, 42),
+	BPF_MOV64_IMM(BPF_REG_0, 42),
+	BPF_MOV64_IMM(BPF_REG_0, 42),
+	BPF_MOV64_IMM(BPF_REG_0, 42),
+	BPF_MOV64_IMM(BPF_REG_0, 42),
+	BPF_MOV64_IMM(BPF_REG_0, 42),
+	BPF_MOV64_IMM(BPF_REG_0, 42),
+	BPF_MOV64_IMM(BPF_REG_0, 42),
+	BPF_MOV64_IMM(BPF_REG_0, 42),
+	BPF_MOV64_IMM(BPF_REG_0, 42),
+	BPF_MOV64_IMM(BPF_REG_0, 42),
+	BPF_MOV64_IMM(BPF_REG_0, 42),
+	BPF_JMP_IMM(BPF_JA, 0, 0, -20),
+	},
+	.result = ACCEPT,
+	.retval = 3,
+},
+{
+	"jump test 8",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_0, 1),
+	BPF_MOV64_IMM(BPF_REG_1, 2),
+	BPF_JMP_IMM(BPF_JA, 0, 0, 2),
+	BPF_MOV64_IMM(BPF_REG_0, 3),
+	BPF_EXIT_INSN(),
+	BPF_JMP_REG(BPF_JNE, BPF_REG_0, BPF_REG_1, 16),
+	BPF_MOV64_IMM(BPF_REG_0, 42),
+	BPF_MOV64_IMM(BPF_REG_0, 42),
+	BPF_MOV64_IMM(BPF_REG_0, 42),
+	BPF_MOV64_IMM(BPF_REG_0, 42),
+	BPF_MOV64_IMM(BPF_REG_0, 42),
+	BPF_MOV64_IMM(BPF_REG_0, 42),
+	BPF_MOV64_IMM(BPF_REG_0, 42),
+	BPF_MOV64_IMM(BPF_REG_0, 42),
+	BPF_MOV64_IMM(BPF_REG_0, 42),
+	BPF_MOV64_IMM(BPF_REG_0, 42),
+	BPF_MOV64_IMM(BPF_REG_0, 42),
+	BPF_MOV64_IMM(BPF_REG_0, 42),
+	BPF_MOV64_IMM(BPF_REG_0, 42),
+	BPF_MOV64_IMM(BPF_REG_0, 42),
+	BPF_MOV64_IMM(BPF_REG_0, 42),
+	BPF_MOV64_IMM(BPF_REG_0, 42),
+	BPF_JMP_IMM(BPF_JA, 0, 0, -20),
+	},
+	.result = ACCEPT,
+	.retval = 3,
+},
+{
+	"jump/call test 9",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_0, 1),
+	BPF_JMP_IMM(BPF_JA, 0, 0, 2),
+	BPF_MOV64_IMM(BPF_REG_0, 3),
+	BPF_EXIT_INSN(),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 2, 16),
+	BPF_MOV64_IMM(BPF_REG_0, 42),
+	BPF_MOV64_IMM(BPF_REG_0, 42),
+	BPF_MOV64_IMM(BPF_REG_0, 42),
+	BPF_MOV64_IMM(BPF_REG_0, 42),
+	BPF_MOV64_IMM(BPF_REG_0, 42),
+	BPF_MOV64_IMM(BPF_REG_0, 42),
+	BPF_MOV64_IMM(BPF_REG_0, 42),
+	BPF_MOV64_IMM(BPF_REG_0, 42),
+	BPF_MOV64_IMM(BPF_REG_0, 42),
+	BPF_MOV64_IMM(BPF_REG_0, 42),
+	BPF_MOV64_IMM(BPF_REG_0, 42),
+	BPF_MOV64_IMM(BPF_REG_0, 42),
+	BPF_MOV64_IMM(BPF_REG_0, 42),
+	BPF_MOV64_IMM(BPF_REG_0, 42),
+	BPF_MOV64_IMM(BPF_REG_0, 42),
+	BPF_MOV64_IMM(BPF_REG_0, 42),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, -20),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.result = REJECT,
+	.errstr = "jump out of range from insn 1 to 4",
+},
+{
+	"jump/call test 10",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_0, 1),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 2),
+	BPF_MOV64_IMM(BPF_REG_0, 3),
+	BPF_EXIT_INSN(),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 2, 16),
+	BPF_MOV64_IMM(BPF_REG_0, 42),
+	BPF_MOV64_IMM(BPF_REG_0, 42),
+	BPF_MOV64_IMM(BPF_REG_0, 42),
+	BPF_MOV64_IMM(BPF_REG_0, 42),
+	BPF_MOV64_IMM(BPF_REG_0, 42),
+	BPF_MOV64_IMM(BPF_REG_0, 42),
+	BPF_MOV64_IMM(BPF_REG_0, 42),
+	BPF_MOV64_IMM(BPF_REG_0, 42),
+	BPF_MOV64_IMM(BPF_REG_0, 42),
+	BPF_MOV64_IMM(BPF_REG_0, 42),
+	BPF_MOV64_IMM(BPF_REG_0, 42),
+	BPF_MOV64_IMM(BPF_REG_0, 42),
+	BPF_MOV64_IMM(BPF_REG_0, 42),
+	BPF_MOV64_IMM(BPF_REG_0, 42),
+	BPF_MOV64_IMM(BPF_REG_0, 42),
+	BPF_MOV64_IMM(BPF_REG_0, 42),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, -20),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.result = REJECT,
+	.errstr = "last insn is not an exit or jmp",
+},
+{
+	"jump/call test 11",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_0, 1),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 4),
+	BPF_MOV64_IMM(BPF_REG_0, 3),
+	BPF_EXIT_INSN(),
+	BPF_MOV64_IMM(BPF_REG_0, 3),
+	BPF_EXIT_INSN(),
+	BPF_MOV64_IMM(BPF_REG_0, 1),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 2, 26),
+	BPF_MOV64_IMM(BPF_REG_0, 42),
+	BPF_MOV64_IMM(BPF_REG_0, 42),
+	BPF_MOV64_IMM(BPF_REG_0, 42),
+	BPF_MOV64_IMM(BPF_REG_0, 42),
+	BPF_MOV64_IMM(BPF_REG_0, 42),
+	BPF_MOV64_IMM(BPF_REG_0, 42),
+	BPF_MOV64_IMM(BPF_REG_0, 42),
+	BPF_MOV64_IMM(BPF_REG_0, 42),
+	BPF_MOV64_IMM(BPF_REG_0, 42),
+	BPF_MOV64_IMM(BPF_REG_0, 42),
+	BPF_MOV64_IMM(BPF_REG_0, 42),
+	BPF_MOV64_IMM(BPF_REG_0, 42),
+	BPF_MOV64_IMM(BPF_REG_0, 42),
+	BPF_MOV64_IMM(BPF_REG_0, 42),
+	BPF_MOV64_IMM(BPF_REG_0, 42),
+	BPF_MOV64_IMM(BPF_REG_0, 42),
+	BPF_MOV64_IMM(BPF_REG_0, 42),
+	BPF_MOV64_IMM(BPF_REG_0, 42),
+	BPF_MOV64_IMM(BPF_REG_0, 42),
+	BPF_MOV64_IMM(BPF_REG_0, 42),
+	BPF_MOV64_IMM(BPF_REG_0, 42),
+	BPF_MOV64_IMM(BPF_REG_0, 42),
+	BPF_MOV64_IMM(BPF_REG_0, 42),
+	BPF_MOV64_IMM(BPF_REG_0, 42),
+	BPF_MOV64_IMM(BPF_REG_0, 42),
+	BPF_MOV64_IMM(BPF_REG_0, 42),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, -31),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.result = ACCEPT,
+	.retval = 3,
+},
+{
+	"jump & dead code elimination",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_0, 1),
+	BPF_MOV64_IMM(BPF_REG_3, 0),
+	BPF_ALU64_IMM(BPF_NEG, BPF_REG_3, 0),
+	BPF_ALU64_IMM(BPF_NEG, BPF_REG_3, 0),
+	BPF_ALU64_IMM(BPF_OR, BPF_REG_3, 32767),
+	BPF_JMP_IMM(BPF_JSGE, BPF_REG_3, 0, 1),
+	BPF_EXIT_INSN(),
+	BPF_JMP_IMM(BPF_JSLE, BPF_REG_3, 0x8000, 1),
+	BPF_EXIT_INSN(),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_3, -32767),
+	BPF_MOV64_IMM(BPF_REG_0, 2),
+	BPF_JMP_IMM(BPF_JLE, BPF_REG_3, 0, 1),
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_4),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.result = ACCEPT,
+	.retval = 2,
+},
diff --git a/tools/testing/selftests/bpf/verifier/junk_insn.c b/tools/testing/selftests/bpf/verifier/junk_insn.c
new file mode 100644
index 000000000..89d690f19
--- /dev/null
+++ b/tools/testing/selftests/bpf/verifier/junk_insn.c
@@ -0,0 +1,45 @@
+{
+	"junk insn",
+	.insns = {
+	BPF_RAW_INSN(0, 0, 0, 0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "unknown opcode 00",
+	.result = REJECT,
+},
+{
+	"junk insn2",
+	.insns = {
+	BPF_RAW_INSN(1, 0, 0, 0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "BPF_LDX uses reserved fields",
+	.result = REJECT,
+},
+{
+	"junk insn3",
+	.insns = {
+	BPF_RAW_INSN(-1, 0, 0, 0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "unknown opcode ff",
+	.result = REJECT,
+},
+{
+	"junk insn4",
+	.insns = {
+	BPF_RAW_INSN(-1, -1, -1, -1, -1),
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "unknown opcode ff",
+	.result = REJECT,
+},
+{
+	"junk insn5",
+	.insns = {
+	BPF_RAW_INSN(0x7f, -1, -1, -1, -1),
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "BPF_ALU uses reserved fields",
+	.result = REJECT,
+},
diff --git a/tools/testing/selftests/bpf/verifier/ld_abs.c b/tools/testing/selftests/bpf/verifier/ld_abs.c
new file mode 100644
index 000000000..f6599d2ec
--- /dev/null
+++ b/tools/testing/selftests/bpf/verifier/ld_abs.c
@@ -0,0 +1,286 @@
+{
+	"ld_abs: check calling conv, r1",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
+	BPF_MOV64_IMM(BPF_REG_1, 0),
+	BPF_LD_ABS(BPF_W, -0x200000),
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "R1 !read_ok",
+	.result = REJECT,
+},
+{
+	"ld_abs: check calling conv, r2",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
+	BPF_MOV64_IMM(BPF_REG_2, 0),
+	BPF_LD_ABS(BPF_W, -0x200000),
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "R2 !read_ok",
+	.result = REJECT,
+},
+{
+	"ld_abs: check calling conv, r3",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
+	BPF_MOV64_IMM(BPF_REG_3, 0),
+	BPF_LD_ABS(BPF_W, -0x200000),
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_3),
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "R3 !read_ok",
+	.result = REJECT,
+},
+{
+	"ld_abs: check calling conv, r4",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
+	BPF_MOV64_IMM(BPF_REG_4, 0),
+	BPF_LD_ABS(BPF_W, -0x200000),
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_4),
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "R4 !read_ok",
+	.result = REJECT,
+},
+{
+	"ld_abs: check calling conv, r5",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
+	BPF_MOV64_IMM(BPF_REG_5, 0),
+	BPF_LD_ABS(BPF_W, -0x200000),
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_5),
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "R5 !read_ok",
+	.result = REJECT,
+},
+{
+	"ld_abs: check calling conv, r7",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
+	BPF_MOV64_IMM(BPF_REG_7, 0),
+	BPF_LD_ABS(BPF_W, -0x200000),
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_7),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+},
+{
+	"ld_abs: tests on r6 and skb data reload helper",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
+	BPF_LD_ABS(BPF_B, 0),
+	BPF_LD_ABS(BPF_H, 0),
+	BPF_LD_ABS(BPF_W, 0),
+	BPF_MOV64_REG(BPF_REG_7, BPF_REG_6),
+	BPF_MOV64_IMM(BPF_REG_6, 0),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_7),
+	BPF_MOV64_IMM(BPF_REG_2, 1),
+	BPF_MOV64_IMM(BPF_REG_3, 2),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_skb_vlan_push),
+	BPF_MOV64_REG(BPF_REG_6, BPF_REG_7),
+	BPF_LD_ABS(BPF_B, 0),
+	BPF_LD_ABS(BPF_H, 0),
+	BPF_LD_ABS(BPF_W, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 42),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.result = ACCEPT,
+	.retval = 42 /* ultimate return value */,
+},
+{
+	"ld_abs: invalid op 1",
+	.insns = {
+		BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
+		BPF_LD_ABS(BPF_DW, 0),
+		BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.result = REJECT,
+	.errstr = "unknown opcode",
+},
+{
+	"ld_abs: invalid op 2",
+	.insns = {
+		BPF_MOV32_IMM(BPF_REG_0, 256),
+		BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
+		BPF_LD_IND(BPF_DW, BPF_REG_0, 0),
+		BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.result = REJECT,
+	.errstr = "unknown opcode",
+},
+{
+	"ld_abs: nmap reduced",
+	.insns = {
+		BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
+		BPF_LD_ABS(BPF_H, 12),
+		BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0x806, 28),
+		BPF_LD_ABS(BPF_H, 12),
+		BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0x806, 26),
+		BPF_MOV32_IMM(BPF_REG_0, 18),
+		BPF_STX_MEM(BPF_W, BPF_REG_10, BPF_REG_0, -64),
+		BPF_LDX_MEM(BPF_W, BPF_REG_7, BPF_REG_10, -64),
+		BPF_LD_IND(BPF_W, BPF_REG_7, 14),
+		BPF_STX_MEM(BPF_W, BPF_REG_10, BPF_REG_0, -60),
+		BPF_MOV32_IMM(BPF_REG_0, 280971478),
+		BPF_STX_MEM(BPF_W, BPF_REG_10, BPF_REG_0, -56),
+		BPF_LDX_MEM(BPF_W, BPF_REG_7, BPF_REG_10, -56),
+		BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_10, -60),
+		BPF_ALU32_REG(BPF_SUB, BPF_REG_0, BPF_REG_7),
+		BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 15),
+		BPF_LD_ABS(BPF_H, 12),
+		BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0x806, 13),
+		BPF_MOV32_IMM(BPF_REG_0, 22),
+		BPF_STX_MEM(BPF_W, BPF_REG_10, BPF_REG_0, -56),
+		BPF_LDX_MEM(BPF_W, BPF_REG_7, BPF_REG_10, -56),
+		BPF_LD_IND(BPF_H, BPF_REG_7, 14),
+		BPF_STX_MEM(BPF_W, BPF_REG_10, BPF_REG_0, -52),
+		BPF_MOV32_IMM(BPF_REG_0, 17366),
+		BPF_STX_MEM(BPF_W, BPF_REG_10, BPF_REG_0, -48),
+		BPF_LDX_MEM(BPF_W, BPF_REG_7, BPF_REG_10, -48),
+		BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_10, -52),
+		BPF_ALU32_REG(BPF_SUB, BPF_REG_0, BPF_REG_7),
+		BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 2),
+		BPF_MOV32_IMM(BPF_REG_0, 256),
+		BPF_EXIT_INSN(),
+		BPF_MOV32_IMM(BPF_REG_0, 0),
+		BPF_EXIT_INSN(),
+	},
+	.data = {
+		0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x08, 0x06, 0,
+		0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+		0x10, 0xbf, 0x48, 0xd6, 0x43, 0xd6,
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.result = ACCEPT,
+	.retval = 256,
+},
+{
+	"ld_abs: div + abs, test 1",
+	.insns = {
+		BPF_ALU64_REG(BPF_MOV, BPF_REG_6, BPF_REG_1),
+		BPF_LD_ABS(BPF_B, 3),
+		BPF_ALU64_IMM(BPF_MOV, BPF_REG_2, 2),
+		BPF_ALU32_REG(BPF_DIV, BPF_REG_0, BPF_REG_2),
+		BPF_ALU64_REG(BPF_MOV, BPF_REG_8, BPF_REG_0),
+		BPF_LD_ABS(BPF_B, 4),
+		BPF_ALU64_REG(BPF_ADD, BPF_REG_8, BPF_REG_0),
+		BPF_LD_IND(BPF_B, BPF_REG_8, -70),
+		BPF_EXIT_INSN(),
+	},
+	.data = {
+		10, 20, 30, 40, 50,
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.result = ACCEPT,
+	.retval = 10,
+},
+{
+	"ld_abs: div + abs, test 2",
+	.insns = {
+		BPF_ALU64_REG(BPF_MOV, BPF_REG_6, BPF_REG_1),
+		BPF_LD_ABS(BPF_B, 3),
+		BPF_ALU64_IMM(BPF_MOV, BPF_REG_2, 2),
+		BPF_ALU32_REG(BPF_DIV, BPF_REG_0, BPF_REG_2),
+		BPF_ALU64_REG(BPF_MOV, BPF_REG_8, BPF_REG_0),
+		BPF_LD_ABS(BPF_B, 128),
+		BPF_ALU64_REG(BPF_ADD, BPF_REG_8, BPF_REG_0),
+		BPF_LD_IND(BPF_B, BPF_REG_8, -70),
+		BPF_EXIT_INSN(),
+	},
+	.data = {
+		10, 20, 30, 40, 50,
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.result = ACCEPT,
+	.retval = 0,
+},
+{
+	"ld_abs: div + abs, test 3",
+	.insns = {
+		BPF_ALU64_REG(BPF_MOV, BPF_REG_6, BPF_REG_1),
+		BPF_ALU64_IMM(BPF_MOV, BPF_REG_7, 0),
+		BPF_LD_ABS(BPF_B, 3),
+		BPF_ALU32_REG(BPF_DIV, BPF_REG_0, BPF_REG_7),
+		BPF_EXIT_INSN(),
+	},
+	.data = {
+		10, 20, 30, 40, 50,
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.result = ACCEPT,
+	.retval = 0,
+},
+{
+	"ld_abs: div + abs, test 4",
+	.insns = {
+		BPF_ALU64_REG(BPF_MOV, BPF_REG_6, BPF_REG_1),
+		BPF_ALU64_IMM(BPF_MOV, BPF_REG_7, 0),
+		BPF_LD_ABS(BPF_B, 256),
+		BPF_ALU32_REG(BPF_DIV, BPF_REG_0, BPF_REG_7),
+		BPF_EXIT_INSN(),
+	},
+	.data = {
+		10, 20, 30, 40, 50,
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.result = ACCEPT,
+	.retval = 0,
+},
+{
+	"ld_abs: vlan + abs, test 1",
+	.insns = { },
+	.data = {
+		0x34,
+	},
+	.fill_helper = bpf_fill_ld_abs_vlan_push_pop,
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.result = ACCEPT,
+	.retval = 0xbef,
+},
+{
+	"ld_abs: vlan + abs, test 2",
+	.insns = {
+		BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
+		BPF_LD_ABS(BPF_B, 0),
+		BPF_LD_ABS(BPF_H, 0),
+		BPF_LD_ABS(BPF_W, 0),
+		BPF_MOV64_REG(BPF_REG_7, BPF_REG_6),
+		BPF_MOV64_IMM(BPF_REG_6, 0),
+		BPF_MOV64_REG(BPF_REG_1, BPF_REG_7),
+		BPF_MOV64_IMM(BPF_REG_2, 1),
+		BPF_MOV64_IMM(BPF_REG_3, 2),
+		BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
+			     BPF_FUNC_skb_vlan_push),
+		BPF_MOV64_REG(BPF_REG_6, BPF_REG_7),
+		BPF_LD_ABS(BPF_B, 0),
+		BPF_LD_ABS(BPF_H, 0),
+		BPF_LD_ABS(BPF_W, 0),
+		BPF_MOV64_IMM(BPF_REG_0, 42),
+		BPF_EXIT_INSN(),
+	},
+	.data = {
+		0x34,
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.result = ACCEPT,
+	.retval = 42,
+},
+{
+	"ld_abs: jump around ld_abs",
+	.insns = { },
+	.data = {
+		10, 11,
+	},
+	.fill_helper = bpf_fill_jump_around_ld_abs,
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.result = ACCEPT,
+	.retval = 10,
+},
diff --git a/tools/testing/selftests/bpf/verifier/ld_dw.c b/tools/testing/selftests/bpf/verifier/ld_dw.c
new file mode 100644
index 000000000..0f18e62f0
--- /dev/null
+++ b/tools/testing/selftests/bpf/verifier/ld_dw.c
@@ -0,0 +1,45 @@
+{
+	"ld_dw: xor semi-random 64 bit imms, test 1",
+	.insns = { },
+	.data = { },
+	.fill_helper = bpf_fill_rand_ld_dw,
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.result = ACCEPT,
+	.retval = 4090,
+},
+{
+	"ld_dw: xor semi-random 64 bit imms, test 2",
+	.insns = { },
+	.data = { },
+	.fill_helper = bpf_fill_rand_ld_dw,
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.result = ACCEPT,
+	.retval = 2047,
+},
+{
+	"ld_dw: xor semi-random 64 bit imms, test 3",
+	.insns = { },
+	.data = { },
+	.fill_helper = bpf_fill_rand_ld_dw,
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.result = ACCEPT,
+	.retval = 511,
+},
+{
+	"ld_dw: xor semi-random 64 bit imms, test 4",
+	.insns = { },
+	.data = { },
+	.fill_helper = bpf_fill_rand_ld_dw,
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.result = ACCEPT,
+	.retval = 5,
+},
+{
+	"ld_dw: xor semi-random 64 bit imms, test 5",
+	.insns = { },
+	.data = { },
+	.fill_helper = bpf_fill_rand_ld_dw,
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.result = ACCEPT,
+	.retval = 1000000 - 6,
+},
diff --git a/tools/testing/selftests/bpf/verifier/ld_imm64.c b/tools/testing/selftests/bpf/verifier/ld_imm64.c
new file mode 100644
index 000000000..78f19c255
--- /dev/null
+++ b/tools/testing/selftests/bpf/verifier/ld_imm64.c
@@ -0,0 +1,146 @@
+{
+	"test1 ld_imm64",
+	.insns = {
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 0, 1),
+	BPF_LD_IMM64(BPF_REG_0, 0),
+	BPF_LD_IMM64(BPF_REG_0, 0),
+	BPF_LD_IMM64(BPF_REG_0, 1),
+	BPF_LD_IMM64(BPF_REG_0, 1),
+	BPF_MOV64_IMM(BPF_REG_0, 2),
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "jump into the middle of ldimm64 insn 1",
+	.errstr_unpriv = "jump into the middle of ldimm64 insn 1",
+	.result = REJECT,
+},
+{
+	"test2 ld_imm64",
+	.insns = {
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 0, 1),
+	BPF_LD_IMM64(BPF_REG_0, 0),
+	BPF_LD_IMM64(BPF_REG_0, 0),
+	BPF_LD_IMM64(BPF_REG_0, 1),
+	BPF_LD_IMM64(BPF_REG_0, 1),
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "jump into the middle of ldimm64 insn 1",
+	.errstr_unpriv = "jump into the middle of ldimm64 insn 1",
+	.result = REJECT,
+},
+{
+	"test3 ld_imm64",
+	.insns = {
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 0, 1),
+	BPF_RAW_INSN(BPF_LD | BPF_IMM | BPF_DW, 0, 0, 0, 0),
+	BPF_LD_IMM64(BPF_REG_0, 0),
+	BPF_LD_IMM64(BPF_REG_0, 0),
+	BPF_LD_IMM64(BPF_REG_0, 1),
+	BPF_LD_IMM64(BPF_REG_0, 1),
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "invalid bpf_ld_imm64 insn",
+	.result = REJECT,
+},
+{
+	"test4 ld_imm64",
+	.insns = {
+	BPF_RAW_INSN(BPF_LD | BPF_IMM | BPF_DW, 0, 0, 0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "invalid bpf_ld_imm64 insn",
+	.result = REJECT,
+},
+{
+	"test6 ld_imm64",
+	.insns = {
+	BPF_RAW_INSN(BPF_LD | BPF_IMM | BPF_DW, 0, 0, 0, 0),
+	BPF_RAW_INSN(0, 0, 0, 0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+},
+{
+	"test7 ld_imm64",
+	.insns = {
+	BPF_RAW_INSN(BPF_LD | BPF_IMM | BPF_DW, 0, 0, 0, 1),
+	BPF_RAW_INSN(0, 0, 0, 0, 1),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.retval = 1,
+},
+{
+	"test8 ld_imm64",
+	.insns = {
+	BPF_RAW_INSN(BPF_LD | BPF_IMM | BPF_DW, 0, 0, 1, 1),
+	BPF_RAW_INSN(0, 0, 0, 0, 1),
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "uses reserved fields",
+	.result = REJECT,
+},
+{
+	"test9 ld_imm64",
+	.insns = {
+	BPF_RAW_INSN(BPF_LD | BPF_IMM | BPF_DW, 0, 0, 0, 1),
+	BPF_RAW_INSN(0, 0, 0, 1, 1),
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "invalid bpf_ld_imm64 insn",
+	.result = REJECT,
+},
+{
+	"test10 ld_imm64",
+	.insns = {
+	BPF_RAW_INSN(BPF_LD | BPF_IMM | BPF_DW, 0, 0, 0, 1),
+	BPF_RAW_INSN(0, BPF_REG_1, 0, 0, 1),
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "invalid bpf_ld_imm64 insn",
+	.result = REJECT,
+},
+{
+	"test11 ld_imm64",
+	.insns = {
+	BPF_RAW_INSN(BPF_LD | BPF_IMM | BPF_DW, 0, 0, 0, 1),
+	BPF_RAW_INSN(0, 0, BPF_REG_1, 0, 1),
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "invalid bpf_ld_imm64 insn",
+	.result = REJECT,
+},
+{
+	"test12 ld_imm64",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_LD | BPF_IMM | BPF_DW, 0, BPF_REG_1, 0, 1),
+	BPF_RAW_INSN(0, 0, 0, 0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "not pointing to valid bpf_map",
+	.result = REJECT,
+},
+{
+	"test13 ld_imm64",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_LD | BPF_IMM | BPF_DW, 0, BPF_REG_1, 0, 1),
+	BPF_RAW_INSN(0, 0, BPF_REG_1, 0, 1),
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "invalid bpf_ld_imm64 insn",
+	.result = REJECT,
+},
+{
+	"test14 ld_imm64: reject 2nd imm != 0",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_RAW_INSN(BPF_LD | BPF_IMM | BPF_DW, BPF_REG_1,
+		     BPF_PSEUDO_MAP_FD, 0, 0),
+	BPF_RAW_INSN(0, 0, 0, 0, 0xfefefe),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_48b = { 1 },
+	.errstr = "unrecognized bpf_ld_imm64 insn",
+	.result = REJECT,
+},
diff --git a/tools/testing/selftests/bpf/verifier/ld_ind.c b/tools/testing/selftests/bpf/verifier/ld_ind.c
new file mode 100644
index 000000000..079734227
--- /dev/null
+++ b/tools/testing/selftests/bpf/verifier/ld_ind.c
@@ -0,0 +1,72 @@
+{
+	"ld_ind: check calling conv, r1",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
+	BPF_MOV64_IMM(BPF_REG_1, 1),
+	BPF_LD_IND(BPF_W, BPF_REG_1, -0x200000),
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "R1 !read_ok",
+	.result = REJECT,
+},
+{
+	"ld_ind: check calling conv, r2",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
+	BPF_MOV64_IMM(BPF_REG_2, 1),
+	BPF_LD_IND(BPF_W, BPF_REG_2, -0x200000),
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "R2 !read_ok",
+	.result = REJECT,
+},
+{
+	"ld_ind: check calling conv, r3",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
+	BPF_MOV64_IMM(BPF_REG_3, 1),
+	BPF_LD_IND(BPF_W, BPF_REG_3, -0x200000),
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_3),
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "R3 !read_ok",
+	.result = REJECT,
+},
+{
+	"ld_ind: check calling conv, r4",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
+	BPF_MOV64_IMM(BPF_REG_4, 1),
+	BPF_LD_IND(BPF_W, BPF_REG_4, -0x200000),
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_4),
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "R4 !read_ok",
+	.result = REJECT,
+},
+{
+	"ld_ind: check calling conv, r5",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
+	BPF_MOV64_IMM(BPF_REG_5, 1),
+	BPF_LD_IND(BPF_W, BPF_REG_5, -0x200000),
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_5),
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "R5 !read_ok",
+	.result = REJECT,
+},
+{
+	"ld_ind: check calling conv, r7",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
+	BPF_MOV64_IMM(BPF_REG_7, 1),
+	BPF_LD_IND(BPF_W, BPF_REG_7, -0x200000),
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_7),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.retval = 1,
+},
diff --git a/tools/testing/selftests/bpf/verifier/leak_ptr.c b/tools/testing/selftests/bpf/verifier/leak_ptr.c
new file mode 100644
index 000000000..73f0dea95
--- /dev/null
+++ b/tools/testing/selftests/bpf/verifier/leak_ptr.c
@@ -0,0 +1,67 @@
+{
+	"leak pointer into ctx 1",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_STX_MEM(BPF_DW, BPF_REG_1, BPF_REG_0,
+		    offsetof(struct __sk_buff, cb[0])),
+	BPF_LD_MAP_FD(BPF_REG_2, 0),
+	BPF_ATOMIC_OP(BPF_DW, BPF_ADD, BPF_REG_1, BPF_REG_2,
+		      offsetof(struct __sk_buff, cb[0])),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_8b = { 2 },
+	.errstr_unpriv = "R2 leaks addr into mem",
+	.result_unpriv = REJECT,
+	.result = REJECT,
+	.errstr = "BPF_ATOMIC stores into R1 ctx is not allowed",
+},
+{
+	"leak pointer into ctx 2",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_STX_MEM(BPF_DW, BPF_REG_1, BPF_REG_0,
+		    offsetof(struct __sk_buff, cb[0])),
+	BPF_ATOMIC_OP(BPF_DW, BPF_ADD, BPF_REG_1, BPF_REG_10,
+		      offsetof(struct __sk_buff, cb[0])),
+	BPF_EXIT_INSN(),
+	},
+	.errstr_unpriv = "R10 leaks addr into mem",
+	.result_unpriv = REJECT,
+	.result = REJECT,
+	.errstr = "BPF_ATOMIC stores into R1 ctx is not allowed",
+},
+{
+	"leak pointer into ctx 3",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_LD_MAP_FD(BPF_REG_2, 0),
+	BPF_STX_MEM(BPF_DW, BPF_REG_1, BPF_REG_2,
+		      offsetof(struct __sk_buff, cb[0])),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_8b = { 1 },
+	.errstr_unpriv = "R2 leaks addr into ctx",
+	.result_unpriv = REJECT,
+	.result = ACCEPT,
+},
+{
+	"leak pointer into map val",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 3),
+	BPF_MOV64_IMM(BPF_REG_3, 0),
+	BPF_STX_MEM(BPF_DW, BPF_REG_0, BPF_REG_3, 0),
+	BPF_ATOMIC_OP(BPF_DW, BPF_ADD, BPF_REG_0, BPF_REG_6, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_8b = { 4 },
+	.errstr_unpriv = "R6 leaks addr into mem",
+	.result_unpriv = REJECT,
+	.result = ACCEPT,
+},
diff --git a/tools/testing/selftests/bpf/verifier/loops1.c b/tools/testing/selftests/bpf/verifier/loops1.c
new file mode 100644
index 000000000..1af37187d
--- /dev/null
+++ b/tools/testing/selftests/bpf/verifier/loops1.c
@@ -0,0 +1,206 @@
+{
+	"bounded loop, count to 4",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 1),
+	BPF_JMP_IMM(BPF_JLT, BPF_REG_0, 4, -2),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_TRACEPOINT,
+	.retval = 4,
+},
+{
+	"bounded loop, count to 20",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 3),
+	BPF_JMP_IMM(BPF_JLT, BPF_REG_0, 20, -2),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_TRACEPOINT,
+},
+{
+	"bounded loop, count from positive unknown to 4",
+	.insns = {
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_prandom_u32),
+	BPF_JMP_IMM(BPF_JSLT, BPF_REG_0, 0, 2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 1),
+	BPF_JMP_IMM(BPF_JLT, BPF_REG_0, 4, -2),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_TRACEPOINT,
+	.retval = 4,
+},
+{
+	"bounded loop, count from totally unknown to 4",
+	.insns = {
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_prandom_u32),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 1),
+	BPF_JMP_IMM(BPF_JLT, BPF_REG_0, 4, -2),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_TRACEPOINT,
+},
+{
+	"bounded loop, count to 4 with equality",
+	.insns = {
+		BPF_MOV64_IMM(BPF_REG_0, 0),
+		BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 1),
+		BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 4, -2),
+		BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_TRACEPOINT,
+},
+{
+	"bounded loop, start in the middle",
+	.insns = {
+		BPF_MOV64_IMM(BPF_REG_0, 0),
+		BPF_JMP_A(1),
+		BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 1),
+		BPF_JMP_IMM(BPF_JLT, BPF_REG_0, 4, -2),
+		BPF_EXIT_INSN(),
+	},
+	.result = REJECT,
+	.errstr = "back-edge",
+	.prog_type = BPF_PROG_TYPE_TRACEPOINT,
+	.retval = 4,
+},
+{
+	"bounded loop containing a forward jump",
+	.insns = {
+		BPF_MOV64_IMM(BPF_REG_0, 0),
+		BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 1),
+		BPF_JMP_REG(BPF_JEQ, BPF_REG_0, BPF_REG_0, 0),
+		BPF_JMP_IMM(BPF_JLT, BPF_REG_0, 4, -3),
+		BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_TRACEPOINT,
+	.retval = 4,
+},
+{
+	"bounded loop that jumps out rather than in",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_6, 0),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, 1),
+	BPF_JMP_IMM(BPF_JGT, BPF_REG_6, 10000, 2),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_prandom_u32),
+	BPF_JMP_A(-4),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_TRACEPOINT,
+},
+{
+	"infinite loop after a conditional jump",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_0, 5),
+	BPF_JMP_IMM(BPF_JLT, BPF_REG_0, 4, 2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 1),
+	BPF_JMP_A(-2),
+	BPF_EXIT_INSN(),
+	},
+	.result = REJECT,
+	.errstr = "program is too large",
+	.prog_type = BPF_PROG_TYPE_TRACEPOINT,
+},
+{
+	"bounded recursion",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 1),
+	BPF_EXIT_INSN(),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 1),
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
+	BPF_JMP_IMM(BPF_JLT, BPF_REG_1, 4, 1),
+	BPF_EXIT_INSN(),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, -5),
+	BPF_EXIT_INSN(),
+	},
+	.result = REJECT,
+	.errstr = "back-edge",
+	.prog_type = BPF_PROG_TYPE_TRACEPOINT,
+},
+{
+	"infinite loop in two jumps",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_JMP_A(0),
+	BPF_JMP_IMM(BPF_JLT, BPF_REG_0, 4, -2),
+	BPF_EXIT_INSN(),
+	},
+	.result = REJECT,
+	.errstr = "loop detected",
+	.prog_type = BPF_PROG_TYPE_TRACEPOINT,
+},
+{
+	"infinite loop: three-jump trick",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 1),
+	BPF_ALU64_IMM(BPF_AND, BPF_REG_0, 1),
+	BPF_JMP_IMM(BPF_JLT, BPF_REG_0, 2, 1),
+	BPF_EXIT_INSN(),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 1),
+	BPF_ALU64_IMM(BPF_AND, BPF_REG_0, 1),
+	BPF_JMP_IMM(BPF_JLT, BPF_REG_0, 2, 1),
+	BPF_EXIT_INSN(),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 1),
+	BPF_ALU64_IMM(BPF_AND, BPF_REG_0, 1),
+	BPF_JMP_IMM(BPF_JLT, BPF_REG_0, 2, -11),
+	BPF_EXIT_INSN(),
+	},
+	.result = REJECT,
+	.errstr = "loop detected",
+	.prog_type = BPF_PROG_TYPE_TRACEPOINT,
+},
+{
+	"not-taken loop with back jump to 1st insn",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_0, 123),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 4, -2),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_XDP,
+	.retval = 123,
+},
+{
+	"taken loop with back jump to 1st insn",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_1, 10),
+	BPF_MOV64_IMM(BPF_REG_2, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 1),
+	BPF_EXIT_INSN(),
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_2, BPF_REG_1),
+	BPF_ALU64_IMM(BPF_SUB, BPF_REG_1, 1),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_1, 0, -3),
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_XDP,
+	.retval = 55,
+},
+{
+	"taken loop with back jump to 1st insn, 2",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_1, 10),
+	BPF_MOV64_IMM(BPF_REG_2, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 1),
+	BPF_EXIT_INSN(),
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_2, BPF_REG_1),
+	BPF_ALU64_IMM(BPF_SUB, BPF_REG_1, 1),
+	BPF_JMP32_IMM(BPF_JNE, BPF_REG_1, 0, -3),
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_XDP,
+	.retval = 55,
+},
diff --git a/tools/testing/selftests/bpf/verifier/lwt.c b/tools/testing/selftests/bpf/verifier/lwt.c
new file mode 100644
index 000000000..5c8944d0b
--- /dev/null
+++ b/tools/testing/selftests/bpf/verifier/lwt.c
@@ -0,0 +1,189 @@
+{
+	"invalid direct packet write for LWT_IN",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+		    offsetof(struct __sk_buff, data)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+		    offsetof(struct __sk_buff, data_end)),
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8),
+	BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 1),
+	BPF_STX_MEM(BPF_B, BPF_REG_2, BPF_REG_2, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "cannot write into packet",
+	.result = REJECT,
+	.prog_type = BPF_PROG_TYPE_LWT_IN,
+},
+{
+	"invalid direct packet write for LWT_OUT",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+		    offsetof(struct __sk_buff, data)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+		    offsetof(struct __sk_buff, data_end)),
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8),
+	BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 1),
+	BPF_STX_MEM(BPF_B, BPF_REG_2, BPF_REG_2, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "cannot write into packet",
+	.result = REJECT,
+	.prog_type = BPF_PROG_TYPE_LWT_OUT,
+},
+{
+	"direct packet write for LWT_XMIT",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+		    offsetof(struct __sk_buff, data)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+		    offsetof(struct __sk_buff, data_end)),
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8),
+	BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 1),
+	BPF_STX_MEM(BPF_B, BPF_REG_2, BPF_REG_2, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_LWT_XMIT,
+},
+{
+	"direct packet read for LWT_IN",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+		    offsetof(struct __sk_buff, data)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+		    offsetof(struct __sk_buff, data_end)),
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8),
+	BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 1),
+	BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_2, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_LWT_IN,
+},
+{
+	"direct packet read for LWT_OUT",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+		    offsetof(struct __sk_buff, data)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+		    offsetof(struct __sk_buff, data_end)),
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8),
+	BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 1),
+	BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_2, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_LWT_OUT,
+},
+{
+	"direct packet read for LWT_XMIT",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+		    offsetof(struct __sk_buff, data)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+		    offsetof(struct __sk_buff, data_end)),
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8),
+	BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 1),
+	BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_2, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_LWT_XMIT,
+},
+{
+	"overlapping checks for direct packet access",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+		    offsetof(struct __sk_buff, data)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+		    offsetof(struct __sk_buff, data_end)),
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8),
+	BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 4),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 6),
+	BPF_JMP_REG(BPF_JGT, BPF_REG_1, BPF_REG_3, 1),
+	BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_2, 6),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_LWT_XMIT,
+},
+{
+	"make headroom for LWT_XMIT",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
+	BPF_MOV64_IMM(BPF_REG_2, 34),
+	BPF_MOV64_IMM(BPF_REG_3, 0),
+	BPF_EMIT_CALL(BPF_FUNC_skb_change_head),
+	/* split for s390 to succeed */
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
+	BPF_MOV64_IMM(BPF_REG_2, 42),
+	BPF_MOV64_IMM(BPF_REG_3, 0),
+	BPF_EMIT_CALL(BPF_FUNC_skb_change_head),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_LWT_XMIT,
+},
+{
+	"invalid access of tc_classid for LWT_IN",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+		    offsetof(struct __sk_buff, tc_classid)),
+	BPF_EXIT_INSN(),
+	},
+	.result = REJECT,
+	.errstr = "invalid bpf_context access",
+},
+{
+	"invalid access of tc_classid for LWT_OUT",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+		    offsetof(struct __sk_buff, tc_classid)),
+	BPF_EXIT_INSN(),
+	},
+	.result = REJECT,
+	.errstr = "invalid bpf_context access",
+},
+{
+	"invalid access of tc_classid for LWT_XMIT",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+		    offsetof(struct __sk_buff, tc_classid)),
+	BPF_EXIT_INSN(),
+	},
+	.result = REJECT,
+	.errstr = "invalid bpf_context access",
+},
+{
+	"check skb->tc_classid half load not permitted for lwt prog",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+#if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
+	BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1,
+		    offsetof(struct __sk_buff, tc_classid)),
+#else
+	BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1,
+		    offsetof(struct __sk_buff, tc_classid) + 2),
+#endif
+	BPF_EXIT_INSN(),
+	},
+	.result = REJECT,
+	.errstr = "invalid bpf_context access",
+	.prog_type = BPF_PROG_TYPE_LWT_IN,
+},
diff --git a/tools/testing/selftests/bpf/verifier/map_in_map.c b/tools/testing/selftests/bpf/verifier/map_in_map.c
new file mode 100644
index 000000000..128a348b7
--- /dev/null
+++ b/tools/testing/selftests/bpf/verifier/map_in_map.c
@@ -0,0 +1,96 @@
+{
+	"map in map access",
+	.insns = {
+	BPF_ST_MEM(0, BPF_REG_10, -4, 0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -4),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 5),
+	BPF_ST_MEM(0, BPF_REG_10, -4, 0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -4),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_in_map = { 3 },
+	.result = ACCEPT,
+},
+{
+	"map in map state pruning",
+	.insns = {
+	BPF_ST_MEM(0, BPF_REG_10, -4, 0),
+	BPF_MOV64_REG(BPF_REG_6, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, -4),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_6),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
+	BPF_EXIT_INSN(),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_6),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 11),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_6),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
+	BPF_EXIT_INSN(),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_6),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
+	BPF_EXIT_INSN(),
+	BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_in_map = { 4, 14 },
+	.flags = BPF_F_TEST_STATE_FREQ,
+	.result = VERBOSE_ACCEPT,
+	.errstr = "processed 25 insns",
+	.prog_type = BPF_PROG_TYPE_XDP,
+},
+{
+	"invalid inner map pointer",
+	.insns = {
+	BPF_ST_MEM(0, BPF_REG_10, -4, 0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -4),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 6),
+	BPF_ST_MEM(0, BPF_REG_10, -4, 0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -4),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_in_map = { 3 },
+	.errstr = "R1 pointer arithmetic on map_ptr prohibited",
+	.result = REJECT,
+},
+{
+	"forgot null checking on the inner map pointer",
+	.insns = {
+	BPF_ST_MEM(0, BPF_REG_10, -4, 0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -4),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_ST_MEM(0, BPF_REG_10, -4, 0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -4),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_in_map = { 3 },
+	.errstr = "R1 type=map_value_or_null expected=map_ptr",
+	.result = REJECT,
+},
diff --git a/tools/testing/selftests/bpf/verifier/map_kptr.c b/tools/testing/selftests/bpf/verifier/map_kptr.c
new file mode 100644
index 000000000..691490434
--- /dev/null
+++ b/tools/testing/selftests/bpf/verifier/map_kptr.c
@@ -0,0 +1,469 @@
+/* Common tests */
+{
+	"map_kptr: BPF_ST imm != 0",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_LD_MAP_FD(BPF_REG_6, 0),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -4),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_ST_MEM(BPF_W, BPF_REG_2, 0, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
+	BPF_EXIT_INSN(),
+	BPF_ST_MEM(BPF_DW, BPF_REG_0, 0, 1),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.fixup_map_kptr = { 1 },
+	.result = REJECT,
+	.errstr = "BPF_ST imm must be 0 when storing to kptr at off=0",
+},
+{
+	"map_kptr: size != bpf_size_to_bytes(BPF_DW)",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_LD_MAP_FD(BPF_REG_6, 0),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -4),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_ST_MEM(BPF_W, BPF_REG_2, 0, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
+	BPF_EXIT_INSN(),
+	BPF_ST_MEM(BPF_W, BPF_REG_0, 0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.fixup_map_kptr = { 1 },
+	.result = REJECT,
+	.errstr = "kptr access size must be BPF_DW",
+},
+{
+	"map_kptr: map_value non-const var_off",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_LD_MAP_FD(BPF_REG_6, 0),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -4),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_ST_MEM(BPF_W, BPF_REG_2, 0, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
+	BPF_EXIT_INSN(),
+	BPF_MOV64_REG(BPF_REG_3, BPF_REG_0),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_0, 0),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_2, 0, 1),
+	BPF_EXIT_INSN(),
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_2, 0),
+	BPF_JMP_IMM(BPF_JLE, BPF_REG_2, 4, 1),
+	BPF_EXIT_INSN(),
+	BPF_JMP_IMM(BPF_JGE, BPF_REG_2, 0, 1),
+	BPF_EXIT_INSN(),
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_3, BPF_REG_2),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_3, 0),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.fixup_map_kptr = { 1 },
+	.result = REJECT,
+	.errstr = "kptr access cannot have variable offset",
+},
+{
+	"map_kptr: bpf_kptr_xchg non-const var_off",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_LD_MAP_FD(BPF_REG_6, 0),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -4),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_ST_MEM(BPF_W, BPF_REG_2, 0, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
+	BPF_EXIT_INSN(),
+	BPF_MOV64_REG(BPF_REG_3, BPF_REG_0),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_0, 0),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_2, 0, 1),
+	BPF_EXIT_INSN(),
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_2, 0),
+	BPF_JMP_IMM(BPF_JLE, BPF_REG_2, 4, 1),
+	BPF_EXIT_INSN(),
+	BPF_JMP_IMM(BPF_JGE, BPF_REG_2, 0, 1),
+	BPF_EXIT_INSN(),
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_3, BPF_REG_2),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_3),
+	BPF_MOV64_IMM(BPF_REG_2, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_kptr_xchg),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.fixup_map_kptr = { 1 },
+	.result = REJECT,
+	.errstr = "R1 doesn't have constant offset. kptr has to be at the constant offset",
+},
+{
+	"map_kptr: unaligned boundary load/store",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_LD_MAP_FD(BPF_REG_6, 0),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -4),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_ST_MEM(BPF_W, BPF_REG_2, 0, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
+	BPF_EXIT_INSN(),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 7),
+	BPF_ST_MEM(BPF_DW, BPF_REG_0, 0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.fixup_map_kptr = { 1 },
+	.result = REJECT,
+	.errstr = "kptr access misaligned expected=0 off=7",
+},
+{
+	"map_kptr: reject var_off != 0",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_LD_MAP_FD(BPF_REG_6, 0),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -4),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_ST_MEM(BPF_W, BPF_REG_2, 0, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
+	BPF_EXIT_INSN(),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_0, 0),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_1, 0, 1),
+	BPF_EXIT_INSN(),
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, 0),
+	BPF_JMP_IMM(BPF_JLE, BPF_REG_2, 4, 1),
+	BPF_EXIT_INSN(),
+	BPF_JMP_IMM(BPF_JGE, BPF_REG_2, 0, 1),
+	BPF_EXIT_INSN(),
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_2),
+	BPF_STX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, 0),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.fixup_map_kptr = { 1 },
+	.result = REJECT,
+	.errstr = "variable untrusted_ptr_ access var_off=(0x0; 0x7) disallowed",
+},
+/* Tests for unreferened PTR_TO_BTF_ID */
+{
+	"map_kptr: unref: reject btf_struct_ids_match == false",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_LD_MAP_FD(BPF_REG_6, 0),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -4),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_ST_MEM(BPF_W, BPF_REG_2, 0, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
+	BPF_EXIT_INSN(),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_0, 0),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_1, 0, 1),
+	BPF_EXIT_INSN(),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 4),
+	BPF_STX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, 0),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.fixup_map_kptr = { 1 },
+	.result = REJECT,
+	.errstr = "invalid kptr access, R1 type=untrusted_ptr_prog_test_ref_kfunc expected=ptr_prog_test",
+},
+{
+	"map_kptr: unref: loaded pointer marked as untrusted",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_LD_MAP_FD(BPF_REG_6, 0),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -4),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_ST_MEM(BPF_W, BPF_REG_2, 0, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
+	BPF_EXIT_INSN(),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_0, 0),
+	BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.fixup_map_kptr = { 1 },
+	.result = REJECT,
+	.errstr = "R0 invalid mem access 'untrusted_ptr_or_null_'",
+},
+{
+	"map_kptr: unref: correct in kernel type size",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_LD_MAP_FD(BPF_REG_6, 0),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -4),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_ST_MEM(BPF_W, BPF_REG_2, 0, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
+	BPF_EXIT_INSN(),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_0, 0),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
+	BPF_EXIT_INSN(),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_0, 32),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.fixup_map_kptr = { 1 },
+	.result = REJECT,
+	.errstr = "access beyond struct prog_test_ref_kfunc at off 32 size 8",
+},
+{
+	"map_kptr: unref: inherit PTR_UNTRUSTED on struct walk",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_LD_MAP_FD(BPF_REG_6, 0),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -4),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_ST_MEM(BPF_W, BPF_REG_2, 0, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
+	BPF_EXIT_INSN(),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_0, 0),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
+	BPF_EXIT_INSN(),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_0, 16),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_this_cpu_ptr),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.fixup_map_kptr = { 1 },
+	.result = REJECT,
+	.errstr = "R1 type=untrusted_ptr_ expected=percpu_ptr_",
+},
+{
+	"map_kptr: unref: no reference state created",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_LD_MAP_FD(BPF_REG_6, 0),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -4),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_ST_MEM(BPF_W, BPF_REG_2, 0, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
+	BPF_EXIT_INSN(),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_0, 0),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
+	BPF_EXIT_INSN(),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.fixup_map_kptr = { 1 },
+	.result = ACCEPT,
+},
+{
+	"map_kptr: unref: bpf_kptr_xchg rejected",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_LD_MAP_FD(BPF_REG_6, 0),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -4),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_ST_MEM(BPF_W, BPF_REG_2, 0, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
+	BPF_EXIT_INSN(),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+	BPF_MOV64_IMM(BPF_REG_2, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_kptr_xchg),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.fixup_map_kptr = { 1 },
+	.result = REJECT,
+	.errstr = "off=0 kptr isn't referenced kptr",
+},
+{
+	"map_kptr: unref: bpf_kfunc_call_test_kptr_get rejected",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_LD_MAP_FD(BPF_REG_6, 0),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -4),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_ST_MEM(BPF_W, BPF_REG_2, 0, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
+	BPF_EXIT_INSN(),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+	BPF_MOV64_IMM(BPF_REG_2, 0),
+	BPF_MOV64_IMM(BPF_REG_3, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, BPF_PSEUDO_KFUNC_CALL, 0, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.fixup_map_kptr = { 1 },
+	.result = REJECT,
+	.errstr = "arg#0 no referenced kptr at map value offset=0",
+	.fixup_kfunc_btf_id = {
+		{ "bpf_kfunc_call_test_kptr_get", 13 },
+	}
+},
+/* Tests for referenced PTR_TO_BTF_ID */
+{
+	"map_kptr: ref: loaded pointer marked as untrusted",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_LD_MAP_FD(BPF_REG_6, 0),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -4),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_ST_MEM(BPF_W, BPF_REG_2, 0, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
+	BPF_EXIT_INSN(),
+	BPF_MOV64_IMM(BPF_REG_1, 0),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_0, 8),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_this_cpu_ptr),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.fixup_map_kptr = { 1 },
+	.result = REJECT,
+	.errstr = "R1 type=untrusted_ptr_or_null_ expected=percpu_ptr_",
+},
+{
+	"map_kptr: ref: reject off != 0",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_LD_MAP_FD(BPF_REG_6, 0),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -4),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_ST_MEM(BPF_W, BPF_REG_2, 0, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
+	BPF_EXIT_INSN(),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8),
+	BPF_MOV64_REG(BPF_REG_7, BPF_REG_0),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+	BPF_MOV64_IMM(BPF_REG_2, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_kptr_xchg),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
+	BPF_EXIT_INSN(),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_7),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_kptr_xchg),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.fixup_map_kptr = { 1 },
+	.result = REJECT,
+	.errstr = "invalid kptr access, R2 type=ptr_prog_test_ref_kfunc expected=ptr_prog_test_member",
+},
+{
+	"map_kptr: ref: reference state created and released on xchg",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_LD_MAP_FD(BPF_REG_6, 0),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -4),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_ST_MEM(BPF_W, BPF_REG_2, 0, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
+	BPF_EXIT_INSN(),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8),
+	BPF_MOV64_REG(BPF_REG_7, BPF_REG_0),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -8),
+	BPF_ST_MEM(BPF_DW, BPF_REG_1, 0, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, BPF_PSEUDO_KFUNC_CALL, 0, 0),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
+	BPF_EXIT_INSN(),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_7),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_kptr_xchg),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.fixup_map_kptr = { 1 },
+	.result = REJECT,
+	.errstr = "Unreleased reference id=5 alloc_insn=20",
+	.fixup_kfunc_btf_id = {
+		{ "bpf_kfunc_call_test_acquire", 15 },
+	}
+},
+{
+	"map_kptr: ref: reject STX",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_LD_MAP_FD(BPF_REG_6, 0),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -4),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_ST_MEM(BPF_W, BPF_REG_2, 0, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
+	BPF_EXIT_INSN(),
+	BPF_MOV64_REG(BPF_REG_1, 0),
+	BPF_STX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, 8),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.fixup_map_kptr = { 1 },
+	.result = REJECT,
+	.errstr = "store to referenced kptr disallowed",
+},
+{
+	"map_kptr: ref: reject ST",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_LD_MAP_FD(BPF_REG_6, 0),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -4),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_ST_MEM(BPF_W, BPF_REG_2, 0, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
+	BPF_EXIT_INSN(),
+	BPF_ST_MEM(BPF_DW, BPF_REG_0, 8, 0),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.fixup_map_kptr = { 1 },
+	.result = REJECT,
+	.errstr = "store to referenced kptr disallowed",
+},
+{
+	"map_kptr: reject helper access to kptr",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_LD_MAP_FD(BPF_REG_6, 0),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -4),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_ST_MEM(BPF_W, BPF_REG_2, 0, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
+	BPF_EXIT_INSN(),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 2),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_delete_elem),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.fixup_map_kptr = { 1 },
+	.result = REJECT,
+	.errstr = "kptr cannot be accessed indirectly by helper",
+},
diff --git a/tools/testing/selftests/bpf/verifier/map_ptr.c b/tools/testing/selftests/bpf/verifier/map_ptr.c
new file mode 100644
index 000000000..1f8202142
--- /dev/null
+++ b/tools/testing/selftests/bpf/verifier/map_ptr.c
@@ -0,0 +1,99 @@
+{
+	"bpf_map_ptr: read with negative offset rejected",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_6, BPF_REG_1, -8),
+	BPF_MOV64_IMM(BPF_REG_0, 1),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_array_48b = { 1 },
+	.result_unpriv = REJECT,
+	.errstr_unpriv = "bpf_array access is allowed only to CAP_PERFMON and CAP_SYS_ADMIN",
+	.result = REJECT,
+	.errstr = "R1 is bpf_array invalid negative access: off=-8",
+},
+{
+	"bpf_map_ptr: write rejected",
+	.insns = {
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_STX_MEM(BPF_DW, BPF_REG_1, BPF_REG_2, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 1),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_array_48b = { 3 },
+	.result_unpriv = REJECT,
+	.errstr_unpriv = "bpf_array access is allowed only to CAP_PERFMON and CAP_SYS_ADMIN",
+	.result = REJECT,
+	.errstr = "only read from bpf_array is supported",
+},
+{
+	"bpf_map_ptr: read non-existent field rejected",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_6, 0),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_LDX_MEM(BPF_W, BPF_REG_6, BPF_REG_1, 1),
+	BPF_MOV64_IMM(BPF_REG_0, 1),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_array_48b = { 1 },
+	.result_unpriv = REJECT,
+	.errstr_unpriv = "bpf_array access is allowed only to CAP_PERFMON and CAP_SYS_ADMIN",
+	.result = REJECT,
+	.errstr = "cannot access ptr member ops with moff 0 in struct bpf_map with off 1 size 4",
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"bpf_map_ptr: read ops field accepted",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_6, 0),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_6, BPF_REG_1, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 1),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_array_48b = { 1 },
+	.result_unpriv = REJECT,
+	.errstr_unpriv = "bpf_array access is allowed only to CAP_PERFMON and CAP_SYS_ADMIN",
+	.result = ACCEPT,
+	.retval = 1,
+},
+{
+	"bpf_map_ptr: r = 0, map_ptr = map_ptr + r",
+	.insns = {
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_16b = { 4 },
+	.result_unpriv = REJECT,
+	.errstr_unpriv = "R1 has pointer with unsupported alu operation",
+	.result = ACCEPT,
+},
+{
+	"bpf_map_ptr: r = 0, r = r + map_ptr",
+	.insns = {
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_MOV64_IMM(BPF_REG_1, 0),
+	BPF_LD_MAP_FD(BPF_REG_0, 0),
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_16b = { 4 },
+	.result_unpriv = REJECT,
+	.errstr_unpriv = "R0 has pointer with unsupported alu operation",
+	.result = ACCEPT,
+},
diff --git a/tools/testing/selftests/bpf/verifier/map_ptr_mixing.c b/tools/testing/selftests/bpf/verifier/map_ptr_mixing.c
new file mode 100644
index 000000000..1f2b8c4cb
--- /dev/null
+++ b/tools/testing/selftests/bpf/verifier/map_ptr_mixing.c
@@ -0,0 +1,100 @@
+{
+	"calls: two calls returning different map pointers for lookup (hash, array)",
+	.insns = {
+	/* main prog */
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_1, 0, 2),
+	BPF_CALL_REL(11),
+	BPF_JMP_IMM(BPF_JA, 0, 0, 1),
+	BPF_CALL_REL(12),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 2),
+	BPF_ST_MEM(BPF_DW, BPF_REG_0, 0, offsetof(struct test_val, foo)),
+	BPF_MOV64_IMM(BPF_REG_0, 1),
+	BPF_EXIT_INSN(),
+	/* subprog 1 */
+	BPF_LD_MAP_FD(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	/* subprog 2 */
+	BPF_LD_MAP_FD(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.fixup_map_hash_48b = { 13 },
+	.fixup_map_array_48b = { 16 },
+	.result = ACCEPT,
+	.retval = 1,
+},
+{
+	"calls: two calls returning different map pointers for lookup (hash, map in map)",
+	.insns = {
+	/* main prog */
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_1, 0, 2),
+	BPF_CALL_REL(11),
+	BPF_JMP_IMM(BPF_JA, 0, 0, 1),
+	BPF_CALL_REL(12),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 2),
+	BPF_ST_MEM(BPF_DW, BPF_REG_0, 0, offsetof(struct test_val, foo)),
+	BPF_MOV64_IMM(BPF_REG_0, 1),
+	BPF_EXIT_INSN(),
+	/* subprog 1 */
+	BPF_LD_MAP_FD(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	/* subprog 2 */
+	BPF_LD_MAP_FD(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.fixup_map_in_map = { 16 },
+	.fixup_map_array_48b = { 13 },
+	.result = REJECT,
+	.errstr = "only read from bpf_array is supported",
+},
+{
+	"cond: two branches returning different map pointers for lookup (tail, tail)",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_6, BPF_REG_1,
+		    offsetof(struct __sk_buff, mark)),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_6, 0, 3),
+	BPF_LD_MAP_FD(BPF_REG_2, 0),
+	BPF_JMP_IMM(BPF_JA, 0, 0, 2),
+	BPF_LD_MAP_FD(BPF_REG_2, 0),
+	BPF_MOV64_IMM(BPF_REG_3, 7),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_tail_call),
+	BPF_MOV64_IMM(BPF_REG_0, 1),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_prog1 = { 5 },
+	.fixup_prog2 = { 2 },
+	.result_unpriv = REJECT,
+	.errstr_unpriv = "tail_call abusing map_ptr",
+	.result = ACCEPT,
+	.retval = 42,
+},
+{
+	"cond: two branches returning same map pointers for lookup (tail, tail)",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_6, BPF_REG_1,
+		    offsetof(struct __sk_buff, mark)),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_6, 0, 3),
+	BPF_LD_MAP_FD(BPF_REG_2, 0),
+	BPF_JMP_IMM(BPF_JA, 0, 0, 2),
+	BPF_LD_MAP_FD(BPF_REG_2, 0),
+	BPF_MOV64_IMM(BPF_REG_3, 7),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_tail_call),
+	BPF_MOV64_IMM(BPF_REG_0, 1),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_prog2 = { 2, 5 },
+	.result_unpriv = ACCEPT,
+	.result = ACCEPT,
+	.retval = 42,
+},
diff --git a/tools/testing/selftests/bpf/verifier/map_ret_val.c b/tools/testing/selftests/bpf/verifier/map_ret_val.c
new file mode 100644
index 000000000..bdd0e8d18
--- /dev/null
+++ b/tools/testing/selftests/bpf/verifier/map_ret_val.c
@@ -0,0 +1,65 @@
+{
+	"invalid map_fd for function call",
+	.insns = {
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+	BPF_ALU64_REG(BPF_MOV, BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_delete_elem),
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "fd 0 is not pointing to valid bpf_map",
+	.result = REJECT,
+},
+{
+	"don't check return value before access",
+	.insns = {
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_ST_MEM(BPF_DW, BPF_REG_0, 0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_8b = { 3 },
+	.errstr = "R0 invalid mem access 'map_value_or_null'",
+	.result = REJECT,
+},
+{
+	"access memory with incorrect alignment",
+	.insns = {
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 1),
+	BPF_ST_MEM(BPF_DW, BPF_REG_0, 4, 0),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_8b = { 3 },
+	.errstr = "misaligned value access",
+	.result = REJECT,
+	.flags = F_LOAD_WITH_STRICT_ALIGNMENT,
+},
+{
+	"sometimes access memory with incorrect alignment",
+	.insns = {
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 2),
+	BPF_ST_MEM(BPF_DW, BPF_REG_0, 0, 0),
+	BPF_EXIT_INSN(),
+	BPF_ST_MEM(BPF_DW, BPF_REG_0, 0, 1),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_8b = { 3 },
+	.errstr = "R0 invalid mem access",
+	.errstr_unpriv = "R0 leaks addr",
+	.result = REJECT,
+	.flags = F_LOAD_WITH_STRICT_ALIGNMENT,
+},
diff --git a/tools/testing/selftests/bpf/verifier/masking.c b/tools/testing/selftests/bpf/verifier/masking.c
new file mode 100644
index 000000000..6e1358c54
--- /dev/null
+++ b/tools/testing/selftests/bpf/verifier/masking.c
@@ -0,0 +1,322 @@
+{
+	"masking, test out of bounds 1",
+	.insns = {
+	BPF_MOV32_IMM(BPF_REG_1, 5),
+	BPF_MOV32_IMM(BPF_REG_2, 5 - 1),
+	BPF_ALU64_REG(BPF_SUB, BPF_REG_2, BPF_REG_1),
+	BPF_ALU64_REG(BPF_OR, BPF_REG_2, BPF_REG_1),
+	BPF_ALU64_IMM(BPF_NEG, BPF_REG_2, 0),
+	BPF_ALU64_IMM(BPF_ARSH, BPF_REG_2, 63),
+	BPF_ALU64_REG(BPF_AND, BPF_REG_1, BPF_REG_2),
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.retval = 0,
+},
+{
+	"masking, test out of bounds 2",
+	.insns = {
+	BPF_MOV32_IMM(BPF_REG_1, 1),
+	BPF_MOV32_IMM(BPF_REG_2, 1 - 1),
+	BPF_ALU64_REG(BPF_SUB, BPF_REG_2, BPF_REG_1),
+	BPF_ALU64_REG(BPF_OR, BPF_REG_2, BPF_REG_1),
+	BPF_ALU64_IMM(BPF_NEG, BPF_REG_2, 0),
+	BPF_ALU64_IMM(BPF_ARSH, BPF_REG_2, 63),
+	BPF_ALU64_REG(BPF_AND, BPF_REG_1, BPF_REG_2),
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.retval = 0,
+},
+{
+	"masking, test out of bounds 3",
+	.insns = {
+	BPF_MOV32_IMM(BPF_REG_1, 0xffffffff),
+	BPF_MOV32_IMM(BPF_REG_2, 0xffffffff - 1),
+	BPF_ALU64_REG(BPF_SUB, BPF_REG_2, BPF_REG_1),
+	BPF_ALU64_REG(BPF_OR, BPF_REG_2, BPF_REG_1),
+	BPF_ALU64_IMM(BPF_NEG, BPF_REG_2, 0),
+	BPF_ALU64_IMM(BPF_ARSH, BPF_REG_2, 63),
+	BPF_ALU64_REG(BPF_AND, BPF_REG_1, BPF_REG_2),
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.retval = 0,
+},
+{
+	"masking, test out of bounds 4",
+	.insns = {
+	BPF_MOV32_IMM(BPF_REG_1, 0xffffffff),
+	BPF_MOV32_IMM(BPF_REG_2, 1 - 1),
+	BPF_ALU64_REG(BPF_SUB, BPF_REG_2, BPF_REG_1),
+	BPF_ALU64_REG(BPF_OR, BPF_REG_2, BPF_REG_1),
+	BPF_ALU64_IMM(BPF_NEG, BPF_REG_2, 0),
+	BPF_ALU64_IMM(BPF_ARSH, BPF_REG_2, 63),
+	BPF_ALU64_REG(BPF_AND, BPF_REG_1, BPF_REG_2),
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.retval = 0,
+},
+{
+	"masking, test out of bounds 5",
+	.insns = {
+	BPF_MOV32_IMM(BPF_REG_1, -1),
+	BPF_MOV32_IMM(BPF_REG_2, 1 - 1),
+	BPF_ALU64_REG(BPF_SUB, BPF_REG_2, BPF_REG_1),
+	BPF_ALU64_REG(BPF_OR, BPF_REG_2, BPF_REG_1),
+	BPF_ALU64_IMM(BPF_NEG, BPF_REG_2, 0),
+	BPF_ALU64_IMM(BPF_ARSH, BPF_REG_2, 63),
+	BPF_ALU64_REG(BPF_AND, BPF_REG_1, BPF_REG_2),
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.retval = 0,
+},
+{
+	"masking, test out of bounds 6",
+	.insns = {
+	BPF_MOV32_IMM(BPF_REG_1, -1),
+	BPF_MOV32_IMM(BPF_REG_2, 0xffffffff - 1),
+	BPF_ALU64_REG(BPF_SUB, BPF_REG_2, BPF_REG_1),
+	BPF_ALU64_REG(BPF_OR, BPF_REG_2, BPF_REG_1),
+	BPF_ALU64_IMM(BPF_NEG, BPF_REG_2, 0),
+	BPF_ALU64_IMM(BPF_ARSH, BPF_REG_2, 63),
+	BPF_ALU64_REG(BPF_AND, BPF_REG_1, BPF_REG_2),
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.retval = 0,
+},
+{
+	"masking, test out of bounds 7",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_1, 5),
+	BPF_MOV32_IMM(BPF_REG_2, 5 - 1),
+	BPF_ALU64_REG(BPF_SUB, BPF_REG_2, BPF_REG_1),
+	BPF_ALU64_REG(BPF_OR, BPF_REG_2, BPF_REG_1),
+	BPF_ALU64_IMM(BPF_NEG, BPF_REG_2, 0),
+	BPF_ALU64_IMM(BPF_ARSH, BPF_REG_2, 63),
+	BPF_ALU64_REG(BPF_AND, BPF_REG_1, BPF_REG_2),
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.retval = 0,
+},
+{
+	"masking, test out of bounds 8",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_1, 1),
+	BPF_MOV32_IMM(BPF_REG_2, 1 - 1),
+	BPF_ALU64_REG(BPF_SUB, BPF_REG_2, BPF_REG_1),
+	BPF_ALU64_REG(BPF_OR, BPF_REG_2, BPF_REG_1),
+	BPF_ALU64_IMM(BPF_NEG, BPF_REG_2, 0),
+	BPF_ALU64_IMM(BPF_ARSH, BPF_REG_2, 63),
+	BPF_ALU64_REG(BPF_AND, BPF_REG_1, BPF_REG_2),
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.retval = 0,
+},
+{
+	"masking, test out of bounds 9",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_1, 0xffffffff),
+	BPF_MOV32_IMM(BPF_REG_2, 0xffffffff - 1),
+	BPF_ALU64_REG(BPF_SUB, BPF_REG_2, BPF_REG_1),
+	BPF_ALU64_REG(BPF_OR, BPF_REG_2, BPF_REG_1),
+	BPF_ALU64_IMM(BPF_NEG, BPF_REG_2, 0),
+	BPF_ALU64_IMM(BPF_ARSH, BPF_REG_2, 63),
+	BPF_ALU64_REG(BPF_AND, BPF_REG_1, BPF_REG_2),
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.retval = 0,
+},
+{
+	"masking, test out of bounds 10",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_1, 0xffffffff),
+	BPF_MOV32_IMM(BPF_REG_2, 1 - 1),
+	BPF_ALU64_REG(BPF_SUB, BPF_REG_2, BPF_REG_1),
+	BPF_ALU64_REG(BPF_OR, BPF_REG_2, BPF_REG_1),
+	BPF_ALU64_IMM(BPF_NEG, BPF_REG_2, 0),
+	BPF_ALU64_IMM(BPF_ARSH, BPF_REG_2, 63),
+	BPF_ALU64_REG(BPF_AND, BPF_REG_1, BPF_REG_2),
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.retval = 0,
+},
+{
+	"masking, test out of bounds 11",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_1, -1),
+	BPF_MOV32_IMM(BPF_REG_2, 1 - 1),
+	BPF_ALU64_REG(BPF_SUB, BPF_REG_2, BPF_REG_1),
+	BPF_ALU64_REG(BPF_OR, BPF_REG_2, BPF_REG_1),
+	BPF_ALU64_IMM(BPF_NEG, BPF_REG_2, 0),
+	BPF_ALU64_IMM(BPF_ARSH, BPF_REG_2, 63),
+	BPF_ALU64_REG(BPF_AND, BPF_REG_1, BPF_REG_2),
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.retval = 0,
+},
+{
+	"masking, test out of bounds 12",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_1, -1),
+	BPF_MOV32_IMM(BPF_REG_2, 0xffffffff - 1),
+	BPF_ALU64_REG(BPF_SUB, BPF_REG_2, BPF_REG_1),
+	BPF_ALU64_REG(BPF_OR, BPF_REG_2, BPF_REG_1),
+	BPF_ALU64_IMM(BPF_NEG, BPF_REG_2, 0),
+	BPF_ALU64_IMM(BPF_ARSH, BPF_REG_2, 63),
+	BPF_ALU64_REG(BPF_AND, BPF_REG_1, BPF_REG_2),
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.retval = 0,
+},
+{
+	"masking, test in bounds 1",
+	.insns = {
+	BPF_MOV32_IMM(BPF_REG_1, 4),
+	BPF_MOV32_IMM(BPF_REG_2, 5 - 1),
+	BPF_ALU64_REG(BPF_SUB, BPF_REG_2, BPF_REG_1),
+	BPF_ALU64_REG(BPF_OR, BPF_REG_2, BPF_REG_1),
+	BPF_ALU64_IMM(BPF_NEG, BPF_REG_2, 0),
+	BPF_ALU64_IMM(BPF_ARSH, BPF_REG_2, 63),
+	BPF_ALU64_REG(BPF_AND, BPF_REG_1, BPF_REG_2),
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.retval = 4,
+},
+{
+	"masking, test in bounds 2",
+	.insns = {
+	BPF_MOV32_IMM(BPF_REG_1, 0),
+	BPF_MOV32_IMM(BPF_REG_2, 0xffffffff - 1),
+	BPF_ALU64_REG(BPF_SUB, BPF_REG_2, BPF_REG_1),
+	BPF_ALU64_REG(BPF_OR, BPF_REG_2, BPF_REG_1),
+	BPF_ALU64_IMM(BPF_NEG, BPF_REG_2, 0),
+	BPF_ALU64_IMM(BPF_ARSH, BPF_REG_2, 63),
+	BPF_ALU64_REG(BPF_AND, BPF_REG_1, BPF_REG_2),
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.retval = 0,
+},
+{
+	"masking, test in bounds 3",
+	.insns = {
+	BPF_MOV32_IMM(BPF_REG_1, 0xfffffffe),
+	BPF_MOV32_IMM(BPF_REG_2, 0xffffffff - 1),
+	BPF_ALU64_REG(BPF_SUB, BPF_REG_2, BPF_REG_1),
+	BPF_ALU64_REG(BPF_OR, BPF_REG_2, BPF_REG_1),
+	BPF_ALU64_IMM(BPF_NEG, BPF_REG_2, 0),
+	BPF_ALU64_IMM(BPF_ARSH, BPF_REG_2, 63),
+	BPF_ALU64_REG(BPF_AND, BPF_REG_1, BPF_REG_2),
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.retval = 0xfffffffe,
+},
+{
+	"masking, test in bounds 4",
+	.insns = {
+	BPF_MOV32_IMM(BPF_REG_1, 0xabcde),
+	BPF_MOV32_IMM(BPF_REG_2, 0xabcdef - 1),
+	BPF_ALU64_REG(BPF_SUB, BPF_REG_2, BPF_REG_1),
+	BPF_ALU64_REG(BPF_OR, BPF_REG_2, BPF_REG_1),
+	BPF_ALU64_IMM(BPF_NEG, BPF_REG_2, 0),
+	BPF_ALU64_IMM(BPF_ARSH, BPF_REG_2, 63),
+	BPF_ALU64_REG(BPF_AND, BPF_REG_1, BPF_REG_2),
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.retval = 0xabcde,
+},
+{
+	"masking, test in bounds 5",
+	.insns = {
+	BPF_MOV32_IMM(BPF_REG_1, 0),
+	BPF_MOV32_IMM(BPF_REG_2, 1 - 1),
+	BPF_ALU64_REG(BPF_SUB, BPF_REG_2, BPF_REG_1),
+	BPF_ALU64_REG(BPF_OR, BPF_REG_2, BPF_REG_1),
+	BPF_ALU64_IMM(BPF_NEG, BPF_REG_2, 0),
+	BPF_ALU64_IMM(BPF_ARSH, BPF_REG_2, 63),
+	BPF_ALU64_REG(BPF_AND, BPF_REG_1, BPF_REG_2),
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.retval = 0,
+},
+{
+	"masking, test in bounds 6",
+	.insns = {
+	BPF_MOV32_IMM(BPF_REG_1, 46),
+	BPF_MOV32_IMM(BPF_REG_2, 47 - 1),
+	BPF_ALU64_REG(BPF_SUB, BPF_REG_2, BPF_REG_1),
+	BPF_ALU64_REG(BPF_OR, BPF_REG_2, BPF_REG_1),
+	BPF_ALU64_IMM(BPF_NEG, BPF_REG_2, 0),
+	BPF_ALU64_IMM(BPF_ARSH, BPF_REG_2, 63),
+	BPF_ALU64_REG(BPF_AND, BPF_REG_1, BPF_REG_2),
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.retval = 46,
+},
+{
+	"masking, test in bounds 7",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_3, -46),
+	BPF_ALU64_IMM(BPF_MUL, BPF_REG_3, -1),
+	BPF_MOV32_IMM(BPF_REG_2, 47 - 1),
+	BPF_ALU64_REG(BPF_SUB, BPF_REG_2, BPF_REG_3),
+	BPF_ALU64_REG(BPF_OR, BPF_REG_2, BPF_REG_3),
+	BPF_ALU64_IMM(BPF_NEG, BPF_REG_2, 0),
+	BPF_ALU64_IMM(BPF_ARSH, BPF_REG_2, 63),
+	BPF_ALU64_REG(BPF_AND, BPF_REG_3, BPF_REG_2),
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_3),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.retval = 46,
+},
+{
+	"masking, test in bounds 8",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_3, -47),
+	BPF_ALU64_IMM(BPF_MUL, BPF_REG_3, -1),
+	BPF_MOV32_IMM(BPF_REG_2, 47 - 1),
+	BPF_ALU64_REG(BPF_SUB, BPF_REG_2, BPF_REG_3),
+	BPF_ALU64_REG(BPF_OR, BPF_REG_2, BPF_REG_3),
+	BPF_ALU64_IMM(BPF_NEG, BPF_REG_2, 0),
+	BPF_ALU64_IMM(BPF_ARSH, BPF_REG_2, 63),
+	BPF_ALU64_REG(BPF_AND, BPF_REG_3, BPF_REG_2),
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_3),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.retval = 0,
+},
diff --git a/tools/testing/selftests/bpf/verifier/meta_access.c b/tools/testing/selftests/bpf/verifier/meta_access.c
new file mode 100644
index 000000000..b45e8af41
--- /dev/null
+++ b/tools/testing/selftests/bpf/verifier/meta_access.c
@@ -0,0 +1,235 @@
+{
+	"meta access, test1",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+		    offsetof(struct xdp_md, data_meta)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, offsetof(struct xdp_md, data)),
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8),
+	BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 1),
+	BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_2, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_XDP,
+},
+{
+	"meta access, test2",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+		    offsetof(struct xdp_md, data_meta)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, offsetof(struct xdp_md, data)),
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_SUB, BPF_REG_0, 8),
+	BPF_MOV64_REG(BPF_REG_4, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_4, 8),
+	BPF_JMP_REG(BPF_JGT, BPF_REG_4, BPF_REG_3, 1),
+	BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_0, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = REJECT,
+	.errstr = "invalid access to packet, off=-8",
+	.prog_type = BPF_PROG_TYPE_XDP,
+},
+{
+	"meta access, test3",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+		    offsetof(struct xdp_md, data_meta)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+		    offsetof(struct xdp_md, data_end)),
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8),
+	BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 1),
+	BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_2, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = REJECT,
+	.errstr = "invalid access to packet",
+	.prog_type = BPF_PROG_TYPE_XDP,
+},
+{
+	"meta access, test4",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+		    offsetof(struct xdp_md, data_meta)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+		    offsetof(struct xdp_md, data_end)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_4, BPF_REG_1, offsetof(struct xdp_md, data)),
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_4),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8),
+	BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 1),
+	BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_2, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = REJECT,
+	.errstr = "invalid access to packet",
+	.prog_type = BPF_PROG_TYPE_XDP,
+},
+{
+	"meta access, test5",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+		    offsetof(struct xdp_md, data_meta)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_4, BPF_REG_1, offsetof(struct xdp_md, data)),
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_3),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8),
+	BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_4, 3),
+	BPF_MOV64_IMM(BPF_REG_2, -8),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_xdp_adjust_meta),
+	BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_3, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = REJECT,
+	.errstr = "R3 !read_ok",
+	.prog_type = BPF_PROG_TYPE_XDP,
+},
+{
+	"meta access, test6",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+		    offsetof(struct xdp_md, data_meta)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, offsetof(struct xdp_md, data)),
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_3),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8),
+	BPF_MOV64_REG(BPF_REG_4, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_4, 8),
+	BPF_JMP_REG(BPF_JGT, BPF_REG_4, BPF_REG_0, 1),
+	BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_2, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = REJECT,
+	.errstr = "invalid access to packet",
+	.prog_type = BPF_PROG_TYPE_XDP,
+},
+{
+	"meta access, test7",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+		    offsetof(struct xdp_md, data_meta)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, offsetof(struct xdp_md, data)),
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_3),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8),
+	BPF_MOV64_REG(BPF_REG_4, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_4, 8),
+	BPF_JMP_REG(BPF_JGT, BPF_REG_4, BPF_REG_3, 1),
+	BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_2, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_XDP,
+},
+{
+	"meta access, test8",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+		    offsetof(struct xdp_md, data_meta)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, offsetof(struct xdp_md, data)),
+	BPF_MOV64_REG(BPF_REG_4, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_4, 0xFFFF),
+	BPF_JMP_REG(BPF_JGT, BPF_REG_4, BPF_REG_3, 1),
+	BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_2, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_XDP,
+},
+{
+	"meta access, test9",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+		    offsetof(struct xdp_md, data_meta)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, offsetof(struct xdp_md, data)),
+	BPF_MOV64_REG(BPF_REG_4, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_4, 0xFFFF),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_4, 1),
+	BPF_JMP_REG(BPF_JGT, BPF_REG_4, BPF_REG_3, 1),
+	BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_2, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = REJECT,
+	.errstr = "invalid access to packet",
+	.prog_type = BPF_PROG_TYPE_XDP,
+},
+{
+	"meta access, test10",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+		    offsetof(struct xdp_md, data_meta)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, offsetof(struct xdp_md, data)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_4, BPF_REG_1,
+		    offsetof(struct xdp_md, data_end)),
+	BPF_MOV64_IMM(BPF_REG_5, 42),
+	BPF_MOV64_IMM(BPF_REG_6, 24),
+	BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_5, -8),
+	BPF_ATOMIC_OP(BPF_DW, BPF_ADD, BPF_REG_10, BPF_REG_6, -8),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_5, BPF_REG_10, -8),
+	BPF_JMP_IMM(BPF_JGT, BPF_REG_5, 100, 6),
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_3, BPF_REG_5),
+	BPF_MOV64_REG(BPF_REG_5, BPF_REG_3),
+	BPF_MOV64_REG(BPF_REG_6, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, 8),
+	BPF_JMP_REG(BPF_JGT, BPF_REG_6, BPF_REG_5, 1),
+	BPF_LDX_MEM(BPF_B, BPF_REG_2, BPF_REG_2, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = REJECT,
+	.errstr = "invalid access to packet",
+	.prog_type = BPF_PROG_TYPE_XDP,
+},
+{
+	"meta access, test11",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+		    offsetof(struct xdp_md, data_meta)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, offsetof(struct xdp_md, data)),
+	BPF_MOV64_IMM(BPF_REG_5, 42),
+	BPF_MOV64_IMM(BPF_REG_6, 24),
+	BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_5, -8),
+	BPF_ATOMIC_OP(BPF_DW, BPF_ADD, BPF_REG_10, BPF_REG_6, -8),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_5, BPF_REG_10, -8),
+	BPF_JMP_IMM(BPF_JGT, BPF_REG_5, 100, 6),
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_2, BPF_REG_5),
+	BPF_MOV64_REG(BPF_REG_5, BPF_REG_2),
+	BPF_MOV64_REG(BPF_REG_6, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, 8),
+	BPF_JMP_REG(BPF_JGT, BPF_REG_6, BPF_REG_3, 1),
+	BPF_LDX_MEM(BPF_B, BPF_REG_5, BPF_REG_5, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_XDP,
+},
+{
+	"meta access, test12",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+		    offsetof(struct xdp_md, data_meta)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, offsetof(struct xdp_md, data)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_4, BPF_REG_1,
+		    offsetof(struct xdp_md, data_end)),
+	BPF_MOV64_REG(BPF_REG_5, BPF_REG_3),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_5, 16),
+	BPF_JMP_REG(BPF_JGT, BPF_REG_5, BPF_REG_4, 5),
+	BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_3, 0),
+	BPF_MOV64_REG(BPF_REG_5, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_5, 16),
+	BPF_JMP_REG(BPF_JGT, BPF_REG_5, BPF_REG_3, 1),
+	BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_2, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_XDP,
+},
diff --git a/tools/testing/selftests/bpf/verifier/perf_event_sample_period.c b/tools/testing/selftests/bpf/verifier/perf_event_sample_period.c
new file mode 100644
index 000000000..d8a9b1a1f
--- /dev/null
+++ b/tools/testing/selftests/bpf/verifier/perf_event_sample_period.c
@@ -0,0 +1,59 @@
+{
+	"check bpf_perf_event_data->sample_period byte load permitted",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+#if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
+	BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
+		    offsetof(struct bpf_perf_event_data, sample_period)),
+#else
+	BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
+		    offsetof(struct bpf_perf_event_data, sample_period) + 7),
+#endif
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_PERF_EVENT,
+},
+{
+	"check bpf_perf_event_data->sample_period half load permitted",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+#if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
+	BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1,
+		    offsetof(struct bpf_perf_event_data, sample_period)),
+#else
+	BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1,
+		    offsetof(struct bpf_perf_event_data, sample_period) + 6),
+#endif
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_PERF_EVENT,
+},
+{
+	"check bpf_perf_event_data->sample_period word load permitted",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+#if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
+	BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+		    offsetof(struct bpf_perf_event_data, sample_period)),
+#else
+	BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+		    offsetof(struct bpf_perf_event_data, sample_period) + 4),
+#endif
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_PERF_EVENT,
+},
+{
+	"check bpf_perf_event_data->sample_period dword load permitted",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1,
+		    offsetof(struct bpf_perf_event_data, sample_period)),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_PERF_EVENT,
+},
diff --git a/tools/testing/selftests/bpf/verifier/precise.c b/tools/testing/selftests/bpf/verifier/precise.c
new file mode 100644
index 000000000..6c03a7d80
--- /dev/null
+++ b/tools/testing/selftests/bpf/verifier/precise.c
@@ -0,0 +1,219 @@
+{
+	"precise: test 1",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_0, 1),
+	BPF_LD_MAP_FD(BPF_REG_6, 0),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_FP),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_ST_MEM(BPF_DW, BPF_REG_FP, -8, 0),
+	BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
+	BPF_EXIT_INSN(),
+
+	BPF_MOV64_REG(BPF_REG_9, BPF_REG_0),
+
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_FP),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
+	BPF_EXIT_INSN(),
+
+	BPF_MOV64_REG(BPF_REG_8, BPF_REG_0),
+
+	BPF_ALU64_REG(BPF_SUB, BPF_REG_9, BPF_REG_8), /* map_value_ptr -= map_value_ptr */
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_9),
+	BPF_JMP_IMM(BPF_JLT, BPF_REG_2, 8, 1),
+	BPF_EXIT_INSN(),
+
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, 1), /* R2=scalar(umin=1, umax=8) */
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_FP),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -8),
+	BPF_MOV64_IMM(BPF_REG_3, 0),
+	BPF_EMIT_CALL(BPF_FUNC_probe_read_kernel),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_TRACEPOINT,
+	.fixup_map_array_48b = { 1 },
+	.result = VERBOSE_ACCEPT,
+	.errstr =
+	"26: (85) call bpf_probe_read_kernel#113\
+	last_idx 26 first_idx 20\
+	regs=4 stack=0 before 25\
+	regs=4 stack=0 before 24\
+	regs=4 stack=0 before 23\
+	regs=4 stack=0 before 22\
+	regs=4 stack=0 before 20\
+	parent didn't have regs=4 stack=0 marks\
+	last_idx 19 first_idx 10\
+	regs=4 stack=0 before 19\
+	regs=200 stack=0 before 18\
+	regs=300 stack=0 before 17\
+	regs=201 stack=0 before 15\
+	regs=201 stack=0 before 14\
+	regs=200 stack=0 before 13\
+	regs=200 stack=0 before 12\
+	regs=200 stack=0 before 11\
+	regs=200 stack=0 before 10\
+	parent already had regs=0 stack=0 marks",
+},
+{
+	"precise: test 2",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_0, 1),
+	BPF_LD_MAP_FD(BPF_REG_6, 0),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_FP),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_ST_MEM(BPF_DW, BPF_REG_FP, -8, 0),
+	BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
+	BPF_EXIT_INSN(),
+
+	BPF_MOV64_REG(BPF_REG_9, BPF_REG_0),
+
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_FP),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
+	BPF_EXIT_INSN(),
+
+	BPF_MOV64_REG(BPF_REG_8, BPF_REG_0),
+
+	BPF_ALU64_REG(BPF_SUB, BPF_REG_9, BPF_REG_8), /* map_value_ptr -= map_value_ptr */
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_9),
+	BPF_JMP_IMM(BPF_JLT, BPF_REG_2, 8, 1),
+	BPF_EXIT_INSN(),
+
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, 1), /* R2=scalar(umin=1, umax=8) */
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_FP),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -8),
+	BPF_MOV64_IMM(BPF_REG_3, 0),
+	BPF_EMIT_CALL(BPF_FUNC_probe_read_kernel),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_TRACEPOINT,
+	.fixup_map_array_48b = { 1 },
+	.result = VERBOSE_ACCEPT,
+	.flags = BPF_F_TEST_STATE_FREQ,
+	.errstr =
+	"26: (85) call bpf_probe_read_kernel#113\
+	last_idx 26 first_idx 22\
+	regs=4 stack=0 before 25\
+	regs=4 stack=0 before 24\
+	regs=4 stack=0 before 23\
+	regs=4 stack=0 before 22\
+	parent didn't have regs=4 stack=0 marks\
+	last_idx 20 first_idx 20\
+	regs=4 stack=0 before 20\
+	parent didn't have regs=4 stack=0 marks\
+	last_idx 19 first_idx 17\
+	regs=4 stack=0 before 19\
+	regs=200 stack=0 before 18\
+	regs=300 stack=0 before 17\
+	parent already had regs=0 stack=0 marks",
+},
+{
+	"precise: cross frame pruning",
+	.insns = {
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_prandom_u32),
+	BPF_MOV64_IMM(BPF_REG_8, 0),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
+	BPF_MOV64_IMM(BPF_REG_8, 1),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_prandom_u32),
+	BPF_MOV64_IMM(BPF_REG_9, 0),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
+	BPF_MOV64_IMM(BPF_REG_9, 1),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 4),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_8, 1, 1),
+	BPF_LDX_MEM(BPF_B, BPF_REG_1, BPF_REG_2, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_XDP,
+	.flags = BPF_F_TEST_STATE_FREQ,
+	.errstr = "!read_ok",
+	.result = REJECT,
+},
+{
+	"precise: ST insn causing spi > allocated_stack",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_3, BPF_REG_10),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_3, 123, 0),
+	BPF_ST_MEM(BPF_DW, BPF_REG_3, -8, 0),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_4, BPF_REG_10, -8),
+	BPF_MOV64_IMM(BPF_REG_0, -1),
+	BPF_JMP_REG(BPF_JGT, BPF_REG_4, BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_XDP,
+	.flags = BPF_F_TEST_STATE_FREQ,
+	.errstr = "5: (2d) if r4 > r0 goto pc+0\
+	last_idx 5 first_idx 5\
+	parent didn't have regs=10 stack=0 marks\
+	last_idx 4 first_idx 2\
+	regs=10 stack=0 before 4\
+	regs=10 stack=0 before 3\
+	regs=0 stack=1 before 2\
+	last_idx 5 first_idx 5\
+	parent didn't have regs=1 stack=0 marks",
+	.result = VERBOSE_ACCEPT,
+	.retval = -1,
+},
+{
+	"precise: STX insn causing spi > allocated_stack",
+	.insns = {
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_prandom_u32),
+	BPF_MOV64_REG(BPF_REG_3, BPF_REG_10),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_3, 123, 0),
+	BPF_STX_MEM(BPF_DW, BPF_REG_3, BPF_REG_0, -8),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_4, BPF_REG_10, -8),
+	BPF_MOV64_IMM(BPF_REG_0, -1),
+	BPF_JMP_REG(BPF_JGT, BPF_REG_4, BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_XDP,
+	.flags = BPF_F_TEST_STATE_FREQ,
+	.errstr = "last_idx 6 first_idx 6\
+	parent didn't have regs=10 stack=0 marks\
+	last_idx 5 first_idx 3\
+	regs=10 stack=0 before 5\
+	regs=10 stack=0 before 4\
+	regs=0 stack=1 before 3\
+	last_idx 6 first_idx 6\
+	parent didn't have regs=1 stack=0 marks\
+	last_idx 5 first_idx 3\
+	regs=1 stack=0 before 5",
+	.result = VERBOSE_ACCEPT,
+	.retval = -1,
+},
+{
+	"precise: mark_chain_precision for ARG_CONST_ALLOC_SIZE_OR_ZERO",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_4, BPF_REG_1, offsetof(struct xdp_md, ingress_ifindex)),
+	BPF_LD_MAP_FD(BPF_REG_6, 0),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
+	BPF_MOV64_IMM(BPF_REG_2, 1),
+	BPF_MOV64_IMM(BPF_REG_3, 0),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_4, 0, 1),
+	BPF_MOV64_IMM(BPF_REG_2, 0x1000),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_ringbuf_reserve),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
+	BPF_EXIT_INSN(),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_0, 42),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_ringbuf_submit),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_ringbuf = { 1 },
+	.prog_type = BPF_PROG_TYPE_XDP,
+	.flags = BPF_F_TEST_STATE_FREQ,
+	.errstr = "invalid access to memory, mem_size=1 off=42 size=8",
+	.result = REJECT,
+},
diff --git a/tools/testing/selftests/bpf/verifier/prevent_map_lookup.c b/tools/testing/selftests/bpf/verifier/prevent_map_lookup.c
new file mode 100644
index 000000000..fc4e30126
--- /dev/null
+++ b/tools/testing/selftests/bpf/verifier/prevent_map_lookup.c
@@ -0,0 +1,29 @@
+{
+	"prevent map lookup in stack trace",
+	.insns = {
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_stacktrace = { 3 },
+	.result = REJECT,
+	.errstr = "cannot pass map_type 7 into func bpf_map_lookup_elem",
+	.prog_type = BPF_PROG_TYPE_PERF_EVENT,
+},
+{
+	"prevent map lookup in prog array",
+	.insns = {
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_prog2 = { 3 },
+	.result = REJECT,
+	.errstr = "cannot pass map_type 3 into func bpf_map_lookup_elem",
+},
diff --git a/tools/testing/selftests/bpf/verifier/raw_stack.c b/tools/testing/selftests/bpf/verifier/raw_stack.c
new file mode 100644
index 000000000..eb5ed9365
--- /dev/null
+++ b/tools/testing/selftests/bpf/verifier/raw_stack.c
@@ -0,0 +1,305 @@
+{
+	"raw_stack: no skb_load_bytes",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_2, 4),
+	BPF_ALU64_REG(BPF_MOV, BPF_REG_6, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, -8),
+	BPF_MOV64_REG(BPF_REG_3, BPF_REG_6),
+	BPF_MOV64_IMM(BPF_REG_4, 8),
+	/* Call to skb_load_bytes() omitted. */
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_6, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = REJECT,
+	.errstr = "invalid read from stack R6 off=-8 size=8",
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+},
+{
+	"raw_stack: skb_load_bytes, negative len",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_2, 4),
+	BPF_ALU64_REG(BPF_MOV, BPF_REG_6, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, -8),
+	BPF_MOV64_REG(BPF_REG_3, BPF_REG_6),
+	BPF_MOV64_IMM(BPF_REG_4, -8),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_skb_load_bytes),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_6, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = REJECT,
+	.errstr = "R4 min value is negative",
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+},
+{
+	"raw_stack: skb_load_bytes, negative len 2",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_2, 4),
+	BPF_ALU64_REG(BPF_MOV, BPF_REG_6, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, -8),
+	BPF_MOV64_REG(BPF_REG_3, BPF_REG_6),
+	BPF_MOV64_IMM(BPF_REG_4, ~0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_skb_load_bytes),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_6, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = REJECT,
+	.errstr = "R4 min value is negative",
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+},
+{
+	"raw_stack: skb_load_bytes, zero len",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_2, 4),
+	BPF_ALU64_REG(BPF_MOV, BPF_REG_6, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, -8),
+	BPF_MOV64_REG(BPF_REG_3, BPF_REG_6),
+	BPF_MOV64_IMM(BPF_REG_4, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_skb_load_bytes),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_6, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = REJECT,
+	.errstr = "invalid zero-sized read",
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+},
+{
+	"raw_stack: skb_load_bytes, no init",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_2, 4),
+	BPF_ALU64_REG(BPF_MOV, BPF_REG_6, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, -8),
+	BPF_MOV64_REG(BPF_REG_3, BPF_REG_6),
+	BPF_MOV64_IMM(BPF_REG_4, 8),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_skb_load_bytes),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_6, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+},
+{
+	"raw_stack: skb_load_bytes, init",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_2, 4),
+	BPF_ALU64_REG(BPF_MOV, BPF_REG_6, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, -8),
+	BPF_ST_MEM(BPF_DW, BPF_REG_6, 0, 0xcafe),
+	BPF_MOV64_REG(BPF_REG_3, BPF_REG_6),
+	BPF_MOV64_IMM(BPF_REG_4, 8),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_skb_load_bytes),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_6, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+},
+{
+	"raw_stack: skb_load_bytes, spilled regs around bounds",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_2, 4),
+	BPF_ALU64_REG(BPF_MOV, BPF_REG_6, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, -16),
+	BPF_STX_MEM(BPF_DW, BPF_REG_6, BPF_REG_1, -8),
+	BPF_STX_MEM(BPF_DW, BPF_REG_6, BPF_REG_1,  8),
+	BPF_MOV64_REG(BPF_REG_3, BPF_REG_6),
+	BPF_MOV64_IMM(BPF_REG_4, 8),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_skb_load_bytes),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_6, -8),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_6,  8),
+	BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_0,
+		    offsetof(struct __sk_buff, mark)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_2,
+		    offsetof(struct __sk_buff, priority)),
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_2),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+},
+{
+	"raw_stack: skb_load_bytes, spilled regs corruption",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_2, 4),
+	BPF_ALU64_REG(BPF_MOV, BPF_REG_6, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, -8),
+	BPF_STX_MEM(BPF_DW, BPF_REG_6, BPF_REG_1, 0),
+	BPF_MOV64_REG(BPF_REG_3, BPF_REG_6),
+	BPF_MOV64_IMM(BPF_REG_4, 8),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_skb_load_bytes),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_6, 0),
+	BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_0,
+		    offsetof(struct __sk_buff, mark)),
+	BPF_EXIT_INSN(),
+	},
+	.result = REJECT,
+	.errstr = "R0 invalid mem access 'scalar'",
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"raw_stack: skb_load_bytes, spilled regs corruption 2",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_2, 4),
+	BPF_ALU64_REG(BPF_MOV, BPF_REG_6, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, -16),
+	BPF_STX_MEM(BPF_DW, BPF_REG_6, BPF_REG_1, -8),
+	BPF_STX_MEM(BPF_DW, BPF_REG_6, BPF_REG_1,  0),
+	BPF_STX_MEM(BPF_DW, BPF_REG_6, BPF_REG_1,  8),
+	BPF_MOV64_REG(BPF_REG_3, BPF_REG_6),
+	BPF_MOV64_IMM(BPF_REG_4, 8),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_skb_load_bytes),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_6, -8),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_6,  8),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_3, BPF_REG_6,  0),
+	BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_0,
+		    offsetof(struct __sk_buff, mark)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_2,
+		    offsetof(struct __sk_buff, priority)),
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_2),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_3,
+		    offsetof(struct __sk_buff, pkt_type)),
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_3),
+	BPF_EXIT_INSN(),
+	},
+	.result = REJECT,
+	.errstr = "R3 invalid mem access 'scalar'",
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"raw_stack: skb_load_bytes, spilled regs + data",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_2, 4),
+	BPF_ALU64_REG(BPF_MOV, BPF_REG_6, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, -16),
+	BPF_STX_MEM(BPF_DW, BPF_REG_6, BPF_REG_1, -8),
+	BPF_STX_MEM(BPF_DW, BPF_REG_6, BPF_REG_1,  0),
+	BPF_STX_MEM(BPF_DW, BPF_REG_6, BPF_REG_1,  8),
+	BPF_MOV64_REG(BPF_REG_3, BPF_REG_6),
+	BPF_MOV64_IMM(BPF_REG_4, 8),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_skb_load_bytes),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_6, -8),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_6,  8),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_3, BPF_REG_6,  0),
+	BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_0,
+		    offsetof(struct __sk_buff, mark)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_2,
+		    offsetof(struct __sk_buff, priority)),
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_2),
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_3),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+},
+{
+	"raw_stack: skb_load_bytes, invalid access 1",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_2, 4),
+	BPF_ALU64_REG(BPF_MOV, BPF_REG_6, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, -513),
+	BPF_MOV64_REG(BPF_REG_3, BPF_REG_6),
+	BPF_MOV64_IMM(BPF_REG_4, 8),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_skb_load_bytes),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_6, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = REJECT,
+	.errstr = "invalid indirect access to stack R3 off=-513 size=8",
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+},
+{
+	"raw_stack: skb_load_bytes, invalid access 2",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_2, 4),
+	BPF_ALU64_REG(BPF_MOV, BPF_REG_6, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, -1),
+	BPF_MOV64_REG(BPF_REG_3, BPF_REG_6),
+	BPF_MOV64_IMM(BPF_REG_4, 8),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_skb_load_bytes),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_6, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = REJECT,
+	.errstr = "invalid indirect access to stack R3 off=-1 size=8",
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+},
+{
+	"raw_stack: skb_load_bytes, invalid access 3",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_2, 4),
+	BPF_ALU64_REG(BPF_MOV, BPF_REG_6, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, 0xffffffff),
+	BPF_MOV64_REG(BPF_REG_3, BPF_REG_6),
+	BPF_MOV64_IMM(BPF_REG_4, 0xffffffff),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_skb_load_bytes),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_6, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = REJECT,
+	.errstr = "R4 min value is negative",
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+},
+{
+	"raw_stack: skb_load_bytes, invalid access 4",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_2, 4),
+	BPF_ALU64_REG(BPF_MOV, BPF_REG_6, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, -1),
+	BPF_MOV64_REG(BPF_REG_3, BPF_REG_6),
+	BPF_MOV64_IMM(BPF_REG_4, 0x7fffffff),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_skb_load_bytes),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_6, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = REJECT,
+	.errstr = "R4 unbounded memory access, use 'var &= const' or 'if (var < const)'",
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+},
+{
+	"raw_stack: skb_load_bytes, invalid access 5",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_2, 4),
+	BPF_ALU64_REG(BPF_MOV, BPF_REG_6, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, -512),
+	BPF_MOV64_REG(BPF_REG_3, BPF_REG_6),
+	BPF_MOV64_IMM(BPF_REG_4, 0x7fffffff),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_skb_load_bytes),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_6, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = REJECT,
+	.errstr = "R4 unbounded memory access, use 'var &= const' or 'if (var < const)'",
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+},
+{
+	"raw_stack: skb_load_bytes, invalid access 6",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_2, 4),
+	BPF_ALU64_REG(BPF_MOV, BPF_REG_6, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, -512),
+	BPF_MOV64_REG(BPF_REG_3, BPF_REG_6),
+	BPF_MOV64_IMM(BPF_REG_4, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_skb_load_bytes),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_6, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = REJECT,
+	.errstr = "invalid zero-sized read",
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+},
+{
+	"raw_stack: skb_load_bytes, large access",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_2, 4),
+	BPF_ALU64_REG(BPF_MOV, BPF_REG_6, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, -512),
+	BPF_MOV64_REG(BPF_REG_3, BPF_REG_6),
+	BPF_MOV64_IMM(BPF_REG_4, 512),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_skb_load_bytes),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_6, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+},
diff --git a/tools/testing/selftests/bpf/verifier/raw_tp_writable.c b/tools/testing/selftests/bpf/verifier/raw_tp_writable.c
new file mode 100644
index 000000000..2978fb5a7
--- /dev/null
+++ b/tools/testing/selftests/bpf/verifier/raw_tp_writable.c
@@ -0,0 +1,35 @@
+{
+	"raw_tracepoint_writable: reject variable offset",
+	.insns = {
+		/* r6 is our tp buffer */
+		BPF_LDX_MEM(BPF_DW, BPF_REG_6, BPF_REG_1, 0),
+
+		BPF_LD_MAP_FD(BPF_REG_1, 0),
+		/* move the key (== 0) to r10-8 */
+		BPF_MOV32_IMM(BPF_REG_0, 0),
+		BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+		BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+		BPF_STX_MEM(BPF_DW, BPF_REG_2, BPF_REG_0, 0),
+		/* lookup in the map */
+		BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
+			     BPF_FUNC_map_lookup_elem),
+
+		/* exit clean if null */
+		BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
+		BPF_EXIT_INSN(),
+
+		/* shift the buffer pointer to a variable location */
+		BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_0, 0),
+		BPF_ALU64_REG(BPF_ADD, BPF_REG_6, BPF_REG_0),
+		/* clobber whatever's there */
+		BPF_MOV64_IMM(BPF_REG_7, 4242),
+		BPF_STX_MEM(BPF_DW, BPF_REG_6, BPF_REG_7, 0),
+
+		BPF_MOV64_IMM(BPF_REG_0, 0),
+		BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_8b = { 1, },
+	.prog_type = BPF_PROG_TYPE_RAW_TRACEPOINT_WRITABLE,
+	.errstr = "R6 invalid variable buffer offset: off=0, var_off=(0x0; 0xffffffff)",
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
diff --git a/tools/testing/selftests/bpf/verifier/ref_tracking.c b/tools/testing/selftests/bpf/verifier/ref_tracking.c
new file mode 100644
index 000000000..fd683a32a
--- /dev/null
+++ b/tools/testing/selftests/bpf/verifier/ref_tracking.c
@@ -0,0 +1,1082 @@
+{
+	"reference tracking: leak potential reference",
+	.insns = {
+	BPF_SK_LOOKUP(sk_lookup_tcp),
+	BPF_MOV64_REG(BPF_REG_6, BPF_REG_0), /* leak reference */
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.errstr = "Unreleased reference",
+	.result = REJECT,
+},
+{
+	"reference tracking: leak potential reference to sock_common",
+	.insns = {
+	BPF_SK_LOOKUP(skc_lookup_tcp),
+	BPF_MOV64_REG(BPF_REG_6, BPF_REG_0), /* leak reference */
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.errstr = "Unreleased reference",
+	.result = REJECT,
+},
+{
+	"reference tracking: leak potential reference on stack",
+	.insns = {
+	BPF_SK_LOOKUP(sk_lookup_tcp),
+	BPF_MOV64_REG(BPF_REG_4, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_4, -8),
+	BPF_STX_MEM(BPF_DW, BPF_REG_4, BPF_REG_0, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.errstr = "Unreleased reference",
+	.result = REJECT,
+},
+{
+	"reference tracking: leak potential reference on stack 2",
+	.insns = {
+	BPF_SK_LOOKUP(sk_lookup_tcp),
+	BPF_MOV64_REG(BPF_REG_4, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_4, -8),
+	BPF_STX_MEM(BPF_DW, BPF_REG_4, BPF_REG_0, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_ST_MEM(BPF_DW, BPF_REG_4, 0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.errstr = "Unreleased reference",
+	.result = REJECT,
+},
+{
+	"reference tracking: zero potential reference",
+	.insns = {
+	BPF_SK_LOOKUP(sk_lookup_tcp),
+	BPF_MOV64_IMM(BPF_REG_0, 0), /* leak reference */
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.errstr = "Unreleased reference",
+	.result = REJECT,
+},
+{
+	"reference tracking: zero potential reference to sock_common",
+	.insns = {
+	BPF_SK_LOOKUP(skc_lookup_tcp),
+	BPF_MOV64_IMM(BPF_REG_0, 0), /* leak reference */
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.errstr = "Unreleased reference",
+	.result = REJECT,
+},
+{
+	"reference tracking: copy and zero potential references",
+	.insns = {
+	BPF_SK_LOOKUP(sk_lookup_tcp),
+	BPF_MOV64_REG(BPF_REG_7, BPF_REG_0),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_MOV64_IMM(BPF_REG_7, 0), /* leak reference */
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.errstr = "Unreleased reference",
+	.result = REJECT,
+},
+{
+	"reference tracking: acquire/release user key reference",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_1, -3),
+	BPF_MOV64_IMM(BPF_REG_2, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, BPF_PSEUDO_KFUNC_CALL, 0, 0),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 2),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, BPF_PSEUDO_KFUNC_CALL, 0, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_LSM,
+	.kfunc = "bpf",
+	.expected_attach_type = BPF_LSM_MAC,
+	.flags = BPF_F_SLEEPABLE,
+	.fixup_kfunc_btf_id = {
+		{ "bpf_lookup_user_key", 2 },
+		{ "bpf_key_put", 5 },
+	},
+	.result = ACCEPT,
+},
+{
+	"reference tracking: acquire/release system key reference",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_1, 1),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, BPF_PSEUDO_KFUNC_CALL, 0, 0),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 2),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, BPF_PSEUDO_KFUNC_CALL, 0, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_LSM,
+	.kfunc = "bpf",
+	.expected_attach_type = BPF_LSM_MAC,
+	.flags = BPF_F_SLEEPABLE,
+	.fixup_kfunc_btf_id = {
+		{ "bpf_lookup_system_key", 1 },
+		{ "bpf_key_put", 4 },
+	},
+	.result = ACCEPT,
+},
+{
+	"reference tracking: release user key reference without check",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_1, -3),
+	BPF_MOV64_IMM(BPF_REG_2, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, BPF_PSEUDO_KFUNC_CALL, 0, 0),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, BPF_PSEUDO_KFUNC_CALL, 0, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_LSM,
+	.kfunc = "bpf",
+	.expected_attach_type = BPF_LSM_MAC,
+	.flags = BPF_F_SLEEPABLE,
+	.errstr = "arg#0 pointer type STRUCT bpf_key must point to scalar, or struct with scalar",
+	.fixup_kfunc_btf_id = {
+		{ "bpf_lookup_user_key", 2 },
+		{ "bpf_key_put", 4 },
+	},
+	.result = REJECT,
+},
+{
+	"reference tracking: release system key reference without check",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_1, 1),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, BPF_PSEUDO_KFUNC_CALL, 0, 0),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, BPF_PSEUDO_KFUNC_CALL, 0, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_LSM,
+	.kfunc = "bpf",
+	.expected_attach_type = BPF_LSM_MAC,
+	.flags = BPF_F_SLEEPABLE,
+	.errstr = "arg#0 pointer type STRUCT bpf_key must point to scalar, or struct with scalar",
+	.fixup_kfunc_btf_id = {
+		{ "bpf_lookup_system_key", 1 },
+		{ "bpf_key_put", 3 },
+	},
+	.result = REJECT,
+},
+{
+	"reference tracking: release with NULL key pointer",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, BPF_PSEUDO_KFUNC_CALL, 0, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_LSM,
+	.kfunc = "bpf",
+	.expected_attach_type = BPF_LSM_MAC,
+	.flags = BPF_F_SLEEPABLE,
+	.errstr = "arg#0 pointer type STRUCT bpf_key must point to scalar, or struct with scalar",
+	.fixup_kfunc_btf_id = {
+		{ "bpf_key_put", 1 },
+	},
+	.result = REJECT,
+},
+{
+	"reference tracking: leak potential reference to user key",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_1, -3),
+	BPF_MOV64_IMM(BPF_REG_2, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, BPF_PSEUDO_KFUNC_CALL, 0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_LSM,
+	.kfunc = "bpf",
+	.expected_attach_type = BPF_LSM_MAC,
+	.flags = BPF_F_SLEEPABLE,
+	.errstr = "Unreleased reference",
+	.fixup_kfunc_btf_id = {
+		{ "bpf_lookup_user_key", 2 },
+	},
+	.result = REJECT,
+},
+{
+	"reference tracking: leak potential reference to system key",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_1, 1),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, BPF_PSEUDO_KFUNC_CALL, 0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_LSM,
+	.kfunc = "bpf",
+	.expected_attach_type = BPF_LSM_MAC,
+	.flags = BPF_F_SLEEPABLE,
+	.errstr = "Unreleased reference",
+	.fixup_kfunc_btf_id = {
+		{ "bpf_lookup_system_key", 1 },
+	},
+	.result = REJECT,
+},
+{
+	"reference tracking: release reference without check",
+	.insns = {
+	BPF_SK_LOOKUP(sk_lookup_tcp),
+	/* reference in r0 may be NULL */
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+	BPF_MOV64_IMM(BPF_REG_2, 0),
+	BPF_EMIT_CALL(BPF_FUNC_sk_release),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.errstr = "type=sock_or_null expected=sock",
+	.result = REJECT,
+},
+{
+	"reference tracking: release reference to sock_common without check",
+	.insns = {
+	BPF_SK_LOOKUP(skc_lookup_tcp),
+	/* reference in r0 may be NULL */
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+	BPF_MOV64_IMM(BPF_REG_2, 0),
+	BPF_EMIT_CALL(BPF_FUNC_sk_release),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.errstr = "type=sock_common_or_null expected=sock",
+	.result = REJECT,
+},
+{
+	"reference tracking: release reference",
+	.insns = {
+	BPF_SK_LOOKUP(sk_lookup_tcp),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 1),
+	BPF_EMIT_CALL(BPF_FUNC_sk_release),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.result = ACCEPT,
+},
+{
+	"reference tracking: release reference to sock_common",
+	.insns = {
+	BPF_SK_LOOKUP(skc_lookup_tcp),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 1),
+	BPF_EMIT_CALL(BPF_FUNC_sk_release),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.result = ACCEPT,
+},
+{
+	"reference tracking: release reference 2",
+	.insns = {
+	BPF_SK_LOOKUP(sk_lookup_tcp),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
+	BPF_EXIT_INSN(),
+	BPF_EMIT_CALL(BPF_FUNC_sk_release),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.result = ACCEPT,
+},
+{
+	"reference tracking: release reference twice",
+	.insns = {
+	BPF_SK_LOOKUP(sk_lookup_tcp),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+	BPF_MOV64_REG(BPF_REG_6, BPF_REG_0),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 1),
+	BPF_EMIT_CALL(BPF_FUNC_sk_release),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
+	BPF_EMIT_CALL(BPF_FUNC_sk_release),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.errstr = "type=scalar expected=sock",
+	.result = REJECT,
+},
+{
+	"reference tracking: release reference twice inside branch",
+	.insns = {
+	BPF_SK_LOOKUP(sk_lookup_tcp),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+	BPF_MOV64_REG(BPF_REG_6, BPF_REG_0),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 3), /* goto end */
+	BPF_EMIT_CALL(BPF_FUNC_sk_release),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
+	BPF_EMIT_CALL(BPF_FUNC_sk_release),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.errstr = "type=scalar expected=sock",
+	.result = REJECT,
+},
+{
+	"reference tracking: alloc, check, free in one subbranch",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+		    offsetof(struct __sk_buff, data)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+		    offsetof(struct __sk_buff, data_end)),
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 16),
+	/* if (offsetof(skb, mark) > data_len) exit; */
+	BPF_JMP_REG(BPF_JLE, BPF_REG_0, BPF_REG_3, 1),
+	BPF_EXIT_INSN(),
+	BPF_LDX_MEM(BPF_W, BPF_REG_6, BPF_REG_2,
+		    offsetof(struct __sk_buff, mark)),
+	BPF_SK_LOOKUP(sk_lookup_tcp),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_6, 0, 1), /* mark == 0? */
+	/* Leak reference in R0 */
+	BPF_EXIT_INSN(),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 2), /* sk NULL? */
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+	BPF_EMIT_CALL(BPF_FUNC_sk_release),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.errstr = "Unreleased reference",
+	.result = REJECT,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"reference tracking: alloc, check, free in both subbranches",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+		    offsetof(struct __sk_buff, data)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+		    offsetof(struct __sk_buff, data_end)),
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 16),
+	/* if (offsetof(skb, mark) > data_len) exit; */
+	BPF_JMP_REG(BPF_JLE, BPF_REG_0, BPF_REG_3, 1),
+	BPF_EXIT_INSN(),
+	BPF_LDX_MEM(BPF_W, BPF_REG_6, BPF_REG_2,
+		    offsetof(struct __sk_buff, mark)),
+	BPF_SK_LOOKUP(sk_lookup_tcp),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_6, 0, 4), /* mark == 0? */
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 2), /* sk NULL? */
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+	BPF_EMIT_CALL(BPF_FUNC_sk_release),
+	BPF_EXIT_INSN(),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 2), /* sk NULL? */
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+	BPF_EMIT_CALL(BPF_FUNC_sk_release),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.result = ACCEPT,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"reference tracking in call: free reference in subprog",
+	.insns = {
+	BPF_SK_LOOKUP(sk_lookup_tcp),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_0), /* unchecked reference */
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 2),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+
+	/* subprog 1 */
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_1),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_2, 0, 1),
+	BPF_EMIT_CALL(BPF_FUNC_sk_release),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.result = ACCEPT,
+},
+{
+	"reference tracking in call: free reference in subprog and outside",
+	.insns = {
+	BPF_SK_LOOKUP(sk_lookup_tcp),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_0), /* unchecked reference */
+	BPF_MOV64_REG(BPF_REG_6, BPF_REG_0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 3),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
+	BPF_EMIT_CALL(BPF_FUNC_sk_release),
+	BPF_EXIT_INSN(),
+
+	/* subprog 1 */
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_1),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_2, 0, 1),
+	BPF_EMIT_CALL(BPF_FUNC_sk_release),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.errstr = "type=scalar expected=sock",
+	.result = REJECT,
+},
+{
+	"reference tracking in call: alloc & leak reference in subprog",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_4, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_4, -8),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 3),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+
+	/* subprog 1 */
+	BPF_MOV64_REG(BPF_REG_6, BPF_REG_4),
+	BPF_SK_LOOKUP(sk_lookup_tcp),
+	/* spill unchecked sk_ptr into stack of caller */
+	BPF_STX_MEM(BPF_DW, BPF_REG_6, BPF_REG_0, 0),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.errstr = "Unreleased reference",
+	.result = REJECT,
+},
+{
+	"reference tracking in call: alloc in subprog, release outside",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_4, BPF_REG_10),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 4),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 1),
+	BPF_EMIT_CALL(BPF_FUNC_sk_release),
+	BPF_EXIT_INSN(),
+
+	/* subprog 1 */
+	BPF_SK_LOOKUP(sk_lookup_tcp),
+	BPF_EXIT_INSN(), /* return sk */
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.retval = POINTER_VALUE,
+	.result = ACCEPT,
+},
+{
+	"reference tracking in call: sk_ptr leak into caller stack",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_4, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_4, -8),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 2),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+
+	/* subprog 1 */
+	BPF_MOV64_REG(BPF_REG_5, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_5, -8),
+	BPF_STX_MEM(BPF_DW, BPF_REG_5, BPF_REG_4, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 5),
+	/* spill unchecked sk_ptr into stack of caller */
+	BPF_MOV64_REG(BPF_REG_5, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_5, -8),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_4, BPF_REG_5, 0),
+	BPF_STX_MEM(BPF_DW, BPF_REG_4, BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+
+	/* subprog 2 */
+	BPF_SK_LOOKUP(sk_lookup_tcp),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.errstr = "Unreleased reference",
+	.result = REJECT,
+},
+{
+	"reference tracking in call: sk_ptr spill into caller stack",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_4, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_4, -8),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 2),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+
+	/* subprog 1 */
+	BPF_MOV64_REG(BPF_REG_5, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_5, -8),
+	BPF_STX_MEM(BPF_DW, BPF_REG_5, BPF_REG_4, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 8),
+	/* spill unchecked sk_ptr into stack of caller */
+	BPF_MOV64_REG(BPF_REG_5, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_5, -8),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_4, BPF_REG_5, 0),
+	BPF_STX_MEM(BPF_DW, BPF_REG_4, BPF_REG_0, 0),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 2),
+	/* now the sk_ptr is verified, free the reference */
+	BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_4, 0),
+	BPF_EMIT_CALL(BPF_FUNC_sk_release),
+	BPF_EXIT_INSN(),
+
+	/* subprog 2 */
+	BPF_SK_LOOKUP(sk_lookup_tcp),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.result = ACCEPT,
+},
+{
+	"reference tracking: allow LD_ABS",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
+	BPF_SK_LOOKUP(sk_lookup_tcp),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 1),
+	BPF_EMIT_CALL(BPF_FUNC_sk_release),
+	BPF_LD_ABS(BPF_B, 0),
+	BPF_LD_ABS(BPF_H, 0),
+	BPF_LD_ABS(BPF_W, 0),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.result = ACCEPT,
+},
+{
+	"reference tracking: forbid LD_ABS while holding reference",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
+	BPF_SK_LOOKUP(sk_lookup_tcp),
+	BPF_LD_ABS(BPF_B, 0),
+	BPF_LD_ABS(BPF_H, 0),
+	BPF_LD_ABS(BPF_W, 0),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 1),
+	BPF_EMIT_CALL(BPF_FUNC_sk_release),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.errstr = "BPF_LD_[ABS|IND] cannot be mixed with socket references",
+	.result = REJECT,
+},
+{
+	"reference tracking: allow LD_IND",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
+	BPF_SK_LOOKUP(sk_lookup_tcp),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 1),
+	BPF_EMIT_CALL(BPF_FUNC_sk_release),
+	BPF_MOV64_IMM(BPF_REG_7, 1),
+	BPF_LD_IND(BPF_W, BPF_REG_7, -0x200000),
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_7),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.result = ACCEPT,
+	.retval = 1,
+},
+{
+	"reference tracking: forbid LD_IND while holding reference",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
+	BPF_SK_LOOKUP(sk_lookup_tcp),
+	BPF_MOV64_REG(BPF_REG_4, BPF_REG_0),
+	BPF_MOV64_IMM(BPF_REG_7, 1),
+	BPF_LD_IND(BPF_W, BPF_REG_7, -0x200000),
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_7),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_4),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 0, 1),
+	BPF_EMIT_CALL(BPF_FUNC_sk_release),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.errstr = "BPF_LD_[ABS|IND] cannot be mixed with socket references",
+	.result = REJECT,
+},
+{
+	"reference tracking: check reference or tail call",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_7, BPF_REG_1),
+	BPF_SK_LOOKUP(sk_lookup_tcp),
+	/* if (sk) bpf_sk_release() */
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_1, 0, 7),
+	/* bpf_tail_call() */
+	BPF_MOV64_IMM(BPF_REG_3, 3),
+	BPF_LD_MAP_FD(BPF_REG_2, 0),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_7),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_tail_call),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	BPF_EMIT_CALL(BPF_FUNC_sk_release),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_prog1 = { 17 },
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.result = ACCEPT,
+},
+{
+	"reference tracking: release reference then tail call",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_7, BPF_REG_1),
+	BPF_SK_LOOKUP(sk_lookup_tcp),
+	/* if (sk) bpf_sk_release() */
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 0, 1),
+	BPF_EMIT_CALL(BPF_FUNC_sk_release),
+	/* bpf_tail_call() */
+	BPF_MOV64_IMM(BPF_REG_3, 3),
+	BPF_LD_MAP_FD(BPF_REG_2, 0),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_7),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_tail_call),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_prog1 = { 18 },
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.result = ACCEPT,
+},
+{
+	"reference tracking: leak possible reference over tail call",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_7, BPF_REG_1),
+	/* Look up socket and store in REG_6 */
+	BPF_SK_LOOKUP(sk_lookup_tcp),
+	/* bpf_tail_call() */
+	BPF_MOV64_REG(BPF_REG_6, BPF_REG_0),
+	BPF_MOV64_IMM(BPF_REG_3, 3),
+	BPF_LD_MAP_FD(BPF_REG_2, 0),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_7),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_tail_call),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	/* if (sk) bpf_sk_release() */
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 0, 1),
+	BPF_EMIT_CALL(BPF_FUNC_sk_release),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_prog1 = { 16 },
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.errstr = "tail_call would lead to reference leak",
+	.result = REJECT,
+},
+{
+	"reference tracking: leak checked reference over tail call",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_7, BPF_REG_1),
+	/* Look up socket and store in REG_6 */
+	BPF_SK_LOOKUP(sk_lookup_tcp),
+	BPF_MOV64_REG(BPF_REG_6, BPF_REG_0),
+	/* if (!sk) goto end */
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 7),
+	/* bpf_tail_call() */
+	BPF_MOV64_IMM(BPF_REG_3, 0),
+	BPF_LD_MAP_FD(BPF_REG_2, 0),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_7),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_tail_call),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
+	BPF_EMIT_CALL(BPF_FUNC_sk_release),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_prog1 = { 17 },
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.errstr = "tail_call would lead to reference leak",
+	.result = REJECT,
+},
+{
+	"reference tracking: mangle and release sock_or_null",
+	.insns = {
+	BPF_SK_LOOKUP(sk_lookup_tcp),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 5),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 1),
+	BPF_EMIT_CALL(BPF_FUNC_sk_release),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.errstr = "R1 pointer arithmetic on sock_or_null prohibited",
+	.result = REJECT,
+},
+{
+	"reference tracking: mangle and release sock",
+	.insns = {
+	BPF_SK_LOOKUP(sk_lookup_tcp),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 5),
+	BPF_EMIT_CALL(BPF_FUNC_sk_release),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.errstr = "R1 pointer arithmetic on sock prohibited",
+	.result = REJECT,
+},
+{
+	"reference tracking: access member",
+	.insns = {
+	BPF_SK_LOOKUP(sk_lookup_tcp),
+	BPF_MOV64_REG(BPF_REG_6, BPF_REG_0),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 3),
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_0, 4),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
+	BPF_EMIT_CALL(BPF_FUNC_sk_release),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.result = ACCEPT,
+},
+{
+	"reference tracking: write to member",
+	.insns = {
+	BPF_SK_LOOKUP(sk_lookup_tcp),
+	BPF_MOV64_REG(BPF_REG_6, BPF_REG_0),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 5),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
+	BPF_LD_IMM64(BPF_REG_2, 42),
+	BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_2,
+		    offsetof(struct bpf_sock, mark)),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
+	BPF_EMIT_CALL(BPF_FUNC_sk_release),
+	BPF_LD_IMM64(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.errstr = "cannot write into sock",
+	.result = REJECT,
+},
+{
+	"reference tracking: invalid 64-bit access of member",
+	.insns = {
+	BPF_SK_LOOKUP(sk_lookup_tcp),
+	BPF_MOV64_REG(BPF_REG_6, BPF_REG_0),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 3),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_0, 0),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
+	BPF_EMIT_CALL(BPF_FUNC_sk_release),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.errstr = "invalid sock access off=0 size=8",
+	.result = REJECT,
+},
+{
+	"reference tracking: access after release",
+	.insns = {
+	BPF_SK_LOOKUP(sk_lookup_tcp),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 2),
+	BPF_EMIT_CALL(BPF_FUNC_sk_release),
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, 0),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.errstr = "!read_ok",
+	.result = REJECT,
+},
+{
+	"reference tracking: direct access for lookup",
+	.insns = {
+	/* Check that the packet is at least 64B long */
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+		    offsetof(struct __sk_buff, data)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+		    offsetof(struct __sk_buff, data_end)),
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 64),
+	BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 9),
+	/* sk = sk_lookup_tcp(ctx, skb->data, ...) */
+	BPF_MOV64_IMM(BPF_REG_3, sizeof(struct bpf_sock_tuple)),
+	BPF_MOV64_IMM(BPF_REG_4, 0),
+	BPF_MOV64_IMM(BPF_REG_5, 0),
+	BPF_EMIT_CALL(BPF_FUNC_sk_lookup_tcp),
+	BPF_MOV64_REG(BPF_REG_6, BPF_REG_0),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 3),
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_0, 4),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
+	BPF_EMIT_CALL(BPF_FUNC_sk_release),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.result = ACCEPT,
+},
+{
+	"reference tracking: use ptr from bpf_tcp_sock() after release",
+	.insns = {
+	BPF_SK_LOOKUP(sk_lookup_tcp),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
+	BPF_EXIT_INSN(),
+	BPF_MOV64_REG(BPF_REG_6, BPF_REG_0),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+	BPF_EMIT_CALL(BPF_FUNC_tcp_sock),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 3),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
+	BPF_EMIT_CALL(BPF_FUNC_sk_release),
+	BPF_EXIT_INSN(),
+	BPF_MOV64_REG(BPF_REG_7, BPF_REG_0),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
+	BPF_EMIT_CALL(BPF_FUNC_sk_release),
+	BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_7, offsetof(struct bpf_tcp_sock, snd_cwnd)),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.result = REJECT,
+	.errstr = "invalid mem access",
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"reference tracking: use ptr from bpf_sk_fullsock() after release",
+	.insns = {
+	BPF_SK_LOOKUP(sk_lookup_tcp),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
+	BPF_EXIT_INSN(),
+	BPF_MOV64_REG(BPF_REG_6, BPF_REG_0),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+	BPF_EMIT_CALL(BPF_FUNC_sk_fullsock),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 3),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
+	BPF_EMIT_CALL(BPF_FUNC_sk_release),
+	BPF_EXIT_INSN(),
+	BPF_MOV64_REG(BPF_REG_7, BPF_REG_0),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
+	BPF_EMIT_CALL(BPF_FUNC_sk_release),
+	BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_7, offsetof(struct bpf_sock, type)),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.result = REJECT,
+	.errstr = "invalid mem access",
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"reference tracking: use ptr from bpf_sk_fullsock(tp) after release",
+	.insns = {
+	BPF_SK_LOOKUP(sk_lookup_tcp),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
+	BPF_EXIT_INSN(),
+	BPF_MOV64_REG(BPF_REG_6, BPF_REG_0),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+	BPF_EMIT_CALL(BPF_FUNC_tcp_sock),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 3),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
+	BPF_EMIT_CALL(BPF_FUNC_sk_release),
+	BPF_EXIT_INSN(),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+	BPF_EMIT_CALL(BPF_FUNC_sk_fullsock),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
+	BPF_MOV64_REG(BPF_REG_6, BPF_REG_0),
+	BPF_EMIT_CALL(BPF_FUNC_sk_release),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_6, 0, 1),
+	BPF_EXIT_INSN(),
+	BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_6, offsetof(struct bpf_sock, type)),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.result = REJECT,
+	.errstr = "invalid mem access",
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"reference tracking: use sk after bpf_sk_release(tp)",
+	.insns = {
+	BPF_SK_LOOKUP(sk_lookup_tcp),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
+	BPF_EXIT_INSN(),
+	BPF_MOV64_REG(BPF_REG_6, BPF_REG_0),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+	BPF_EMIT_CALL(BPF_FUNC_tcp_sock),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 3),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
+	BPF_EMIT_CALL(BPF_FUNC_sk_release),
+	BPF_EXIT_INSN(),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+	BPF_EMIT_CALL(BPF_FUNC_sk_release),
+	BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_6, offsetof(struct bpf_sock, type)),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.result = REJECT,
+	.errstr = "invalid mem access",
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"reference tracking: use ptr from bpf_get_listener_sock() after bpf_sk_release(sk)",
+	.insns = {
+	BPF_SK_LOOKUP(sk_lookup_tcp),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
+	BPF_EXIT_INSN(),
+	BPF_MOV64_REG(BPF_REG_6, BPF_REG_0),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+	BPF_EMIT_CALL(BPF_FUNC_get_listener_sock),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 3),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
+	BPF_EMIT_CALL(BPF_FUNC_sk_release),
+	BPF_EXIT_INSN(),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
+	BPF_MOV64_REG(BPF_REG_6, BPF_REG_0),
+	BPF_EMIT_CALL(BPF_FUNC_sk_release),
+	BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_6, offsetof(struct bpf_sock, src_port)),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.result = ACCEPT,
+},
+{
+	"reference tracking: bpf_sk_release(listen_sk)",
+	.insns = {
+	BPF_SK_LOOKUP(sk_lookup_tcp),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
+	BPF_EXIT_INSN(),
+	BPF_MOV64_REG(BPF_REG_6, BPF_REG_0),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+	BPF_EMIT_CALL(BPF_FUNC_get_listener_sock),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 3),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
+	BPF_EMIT_CALL(BPF_FUNC_sk_release),
+	BPF_EXIT_INSN(),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+	BPF_EMIT_CALL(BPF_FUNC_sk_release),
+	BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_6, offsetof(struct bpf_sock, type)),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
+	BPF_EMIT_CALL(BPF_FUNC_sk_release),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.result = REJECT,
+	.errstr = "R1 must be referenced when passed to release function",
+},
+{
+	/* !bpf_sk_fullsock(sk) is checked but !bpf_tcp_sock(sk) is not checked */
+	"reference tracking: tp->snd_cwnd after bpf_sk_fullsock(sk) and bpf_tcp_sock(sk)",
+	.insns = {
+	BPF_SK_LOOKUP(sk_lookup_tcp),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
+	BPF_EXIT_INSN(),
+	BPF_MOV64_REG(BPF_REG_6, BPF_REG_0),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+	BPF_EMIT_CALL(BPF_FUNC_sk_fullsock),
+	BPF_MOV64_REG(BPF_REG_7, BPF_REG_0),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
+	BPF_EMIT_CALL(BPF_FUNC_tcp_sock),
+	BPF_MOV64_REG(BPF_REG_8, BPF_REG_0),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_7, 0, 3),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
+	BPF_EMIT_CALL(BPF_FUNC_sk_release),
+	BPF_EXIT_INSN(),
+	BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_8, offsetof(struct bpf_tcp_sock, snd_cwnd)),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
+	BPF_EMIT_CALL(BPF_FUNC_sk_release),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.result = REJECT,
+	.errstr = "invalid mem access",
+},
+{
+	"reference tracking: branch tracking valid pointer null comparison",
+	.insns = {
+	BPF_SK_LOOKUP(sk_lookup_tcp),
+	BPF_MOV64_REG(BPF_REG_6, BPF_REG_0),
+	BPF_MOV64_IMM(BPF_REG_3, 1),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_6, 0, 1),
+	BPF_MOV64_IMM(BPF_REG_3, 0),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_6, 0, 2),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
+	BPF_EMIT_CALL(BPF_FUNC_sk_release),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.result = ACCEPT,
+},
+{
+	"reference tracking: branch tracking valid pointer value comparison",
+	.insns = {
+	BPF_SK_LOOKUP(sk_lookup_tcp),
+	BPF_MOV64_REG(BPF_REG_6, BPF_REG_0),
+	BPF_MOV64_IMM(BPF_REG_3, 1),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_6, 0, 4),
+	BPF_MOV64_IMM(BPF_REG_3, 0),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_6, 1234, 2),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
+	BPF_EMIT_CALL(BPF_FUNC_sk_release),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.errstr = "Unreleased reference",
+	.result = REJECT,
+},
+{
+	"reference tracking: bpf_sk_release(btf_tcp_sock)",
+	.insns = {
+	BPF_SK_LOOKUP(sk_lookup_tcp),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
+	BPF_EXIT_INSN(),
+	BPF_MOV64_REG(BPF_REG_6, BPF_REG_0),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+	BPF_EMIT_CALL(BPF_FUNC_skc_to_tcp_sock),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 3),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
+	BPF_EMIT_CALL(BPF_FUNC_sk_release),
+	BPF_EXIT_INSN(),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+	BPF_EMIT_CALL(BPF_FUNC_sk_release),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.result = ACCEPT,
+	.result_unpriv = REJECT,
+	.errstr_unpriv = "unknown func",
+},
+{
+	"reference tracking: use ptr from bpf_skc_to_tcp_sock() after release",
+	.insns = {
+	BPF_SK_LOOKUP(sk_lookup_tcp),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
+	BPF_EXIT_INSN(),
+	BPF_MOV64_REG(BPF_REG_6, BPF_REG_0),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+	BPF_EMIT_CALL(BPF_FUNC_skc_to_tcp_sock),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 3),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
+	BPF_EMIT_CALL(BPF_FUNC_sk_release),
+	BPF_EXIT_INSN(),
+	BPF_MOV64_REG(BPF_REG_7, BPF_REG_0),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
+	BPF_EMIT_CALL(BPF_FUNC_sk_release),
+	BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_7, 0),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.result = REJECT,
+	.errstr = "invalid mem access",
+	.result_unpriv = REJECT,
+	.errstr_unpriv = "unknown func",
+},
+{
+	"reference tracking: try to leak released ptr reg",
+	.insns = {
+		BPF_MOV64_IMM(BPF_REG_0, 0),
+		BPF_STX_MEM(BPF_W, BPF_REG_10, BPF_REG_0, -4),
+		BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+		BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -4),
+		BPF_LD_MAP_FD(BPF_REG_1, 0),
+		BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+		BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
+		BPF_EXIT_INSN(),
+		BPF_MOV64_REG(BPF_REG_9, BPF_REG_0),
+
+		BPF_MOV64_IMM(BPF_REG_0, 0),
+		BPF_LD_MAP_FD(BPF_REG_1, 0),
+		BPF_MOV64_IMM(BPF_REG_2, 8),
+		BPF_MOV64_IMM(BPF_REG_3, 0),
+		BPF_EMIT_CALL(BPF_FUNC_ringbuf_reserve),
+		BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
+		BPF_EXIT_INSN(),
+		BPF_MOV64_REG(BPF_REG_8, BPF_REG_0),
+
+		BPF_MOV64_REG(BPF_REG_1, BPF_REG_8),
+		BPF_MOV64_IMM(BPF_REG_2, 0),
+		BPF_EMIT_CALL(BPF_FUNC_ringbuf_discard),
+		BPF_MOV64_IMM(BPF_REG_0, 0),
+
+		BPF_STX_MEM(BPF_DW, BPF_REG_9, BPF_REG_8, 0),
+		BPF_EXIT_INSN()
+	},
+	.fixup_map_array_48b = { 4 },
+	.fixup_map_ringbuf = { 11 },
+	.result = ACCEPT,
+	.result_unpriv = REJECT,
+	.errstr_unpriv = "R8 !read_ok"
+},
diff --git a/tools/testing/selftests/bpf/verifier/regalloc.c b/tools/testing/selftests/bpf/verifier/regalloc.c
new file mode 100644
index 000000000..bb0dd89dd
--- /dev/null
+++ b/tools/testing/selftests/bpf/verifier/regalloc.c
@@ -0,0 +1,277 @@
+{
+	"regalloc basic",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 8),
+	BPF_MOV64_REG(BPF_REG_7, BPF_REG_0),
+	BPF_EMIT_CALL(BPF_FUNC_get_prandom_u32),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_0),
+	BPF_JMP_IMM(BPF_JSGT, BPF_REG_0, 20, 4),
+	BPF_JMP_IMM(BPF_JSLT, BPF_REG_2, 0, 3),
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_7, BPF_REG_0),
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_7, BPF_REG_2),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_7, 0),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_48b = { 4 },
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_TRACEPOINT,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"regalloc negative",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 8),
+	BPF_MOV64_REG(BPF_REG_7, BPF_REG_0),
+	BPF_EMIT_CALL(BPF_FUNC_get_prandom_u32),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_0),
+	BPF_JMP_IMM(BPF_JSGT, BPF_REG_0, 24, 4),
+	BPF_JMP_IMM(BPF_JSLT, BPF_REG_2, 0, 3),
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_7, BPF_REG_0),
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_7, BPF_REG_2),
+	BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_7, 0),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_48b = { 4 },
+	.result = REJECT,
+	.errstr = "invalid access to map value, value_size=48 off=48 size=1",
+	.prog_type = BPF_PROG_TYPE_TRACEPOINT,
+},
+{
+	"regalloc src_reg mark",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 9),
+	BPF_MOV64_REG(BPF_REG_7, BPF_REG_0),
+	BPF_EMIT_CALL(BPF_FUNC_get_prandom_u32),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_0),
+	BPF_JMP_IMM(BPF_JSGT, BPF_REG_0, 20, 5),
+	BPF_MOV64_IMM(BPF_REG_3, 0),
+	BPF_JMP_REG(BPF_JSGE, BPF_REG_3, BPF_REG_2, 3),
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_7, BPF_REG_0),
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_7, BPF_REG_2),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_7, 0),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_48b = { 4 },
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_TRACEPOINT,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"regalloc src_reg negative",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 9),
+	BPF_MOV64_REG(BPF_REG_7, BPF_REG_0),
+	BPF_EMIT_CALL(BPF_FUNC_get_prandom_u32),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_0),
+	BPF_JMP_IMM(BPF_JSGT, BPF_REG_0, 22, 5),
+	BPF_MOV64_IMM(BPF_REG_3, 0),
+	BPF_JMP_REG(BPF_JSGE, BPF_REG_3, BPF_REG_2, 3),
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_7, BPF_REG_0),
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_7, BPF_REG_2),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_7, 0),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_48b = { 4 },
+	.result = REJECT,
+	.errstr = "invalid access to map value, value_size=48 off=44 size=8",
+	.prog_type = BPF_PROG_TYPE_TRACEPOINT,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"regalloc and spill",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 11),
+	BPF_MOV64_REG(BPF_REG_7, BPF_REG_0),
+	BPF_EMIT_CALL(BPF_FUNC_get_prandom_u32),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_0),
+	BPF_JMP_IMM(BPF_JSGT, BPF_REG_0, 20, 7),
+	/* r0 has upper bound that should propagate into r2 */
+	BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_2, -8), /* spill r2 */
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_MOV64_IMM(BPF_REG_2, 0), /* clear r0 and r2 */
+	BPF_LDX_MEM(BPF_DW, BPF_REG_3, BPF_REG_10, -8), /* fill r3 */
+	BPF_JMP_REG(BPF_JSGE, BPF_REG_0, BPF_REG_3, 2),
+	/* r3 has lower and upper bounds */
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_7, BPF_REG_3),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_7, 0),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_48b = { 4 },
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_TRACEPOINT,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"regalloc and spill negative",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 11),
+	BPF_MOV64_REG(BPF_REG_7, BPF_REG_0),
+	BPF_EMIT_CALL(BPF_FUNC_get_prandom_u32),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_0),
+	BPF_JMP_IMM(BPF_JSGT, BPF_REG_0, 48, 7),
+	/* r0 has upper bound that should propagate into r2 */
+	BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_2, -8), /* spill r2 */
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_MOV64_IMM(BPF_REG_2, 0), /* clear r0 and r2 */
+	BPF_LDX_MEM(BPF_DW, BPF_REG_3, BPF_REG_10, -8), /* fill r3 */
+	BPF_JMP_REG(BPF_JSGE, BPF_REG_0, BPF_REG_3, 2),
+	/* r3 has lower and upper bounds */
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_7, BPF_REG_3),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_7, 0),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_48b = { 4 },
+	.result = REJECT,
+	.errstr = "invalid access to map value, value_size=48 off=48 size=8",
+	.prog_type = BPF_PROG_TYPE_TRACEPOINT,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"regalloc three regs",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 10),
+	BPF_MOV64_REG(BPF_REG_7, BPF_REG_0),
+	BPF_EMIT_CALL(BPF_FUNC_get_prandom_u32),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_0),
+	BPF_MOV64_REG(BPF_REG_4, BPF_REG_2),
+	BPF_JMP_IMM(BPF_JSGT, BPF_REG_0, 12, 5),
+	BPF_JMP_IMM(BPF_JSLT, BPF_REG_2, 0, 4),
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_7, BPF_REG_0),
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_7, BPF_REG_2),
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_7, BPF_REG_4),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_7, 0),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_48b = { 4 },
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_TRACEPOINT,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"regalloc after call",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 10),
+	BPF_MOV64_REG(BPF_REG_7, BPF_REG_0),
+	BPF_EMIT_CALL(BPF_FUNC_get_prandom_u32),
+	BPF_MOV64_REG(BPF_REG_8, BPF_REG_0),
+	BPF_MOV64_REG(BPF_REG_9, BPF_REG_0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 6),
+	BPF_JMP_IMM(BPF_JSGT, BPF_REG_8, 20, 4),
+	BPF_JMP_IMM(BPF_JSLT, BPF_REG_9, 0, 3),
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_7, BPF_REG_8),
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_7, BPF_REG_9),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_7, 0),
+	BPF_EXIT_INSN(),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_48b = { 4 },
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_TRACEPOINT,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"regalloc in callee",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 6),
+	BPF_MOV64_REG(BPF_REG_7, BPF_REG_0),
+	BPF_EMIT_CALL(BPF_FUNC_get_prandom_u32),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_0),
+	BPF_MOV64_REG(BPF_REG_3, BPF_REG_7),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 1),
+	BPF_EXIT_INSN(),
+	BPF_JMP_IMM(BPF_JSGT, BPF_REG_1, 20, 5),
+	BPF_JMP_IMM(BPF_JSLT, BPF_REG_2, 0, 4),
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_3, BPF_REG_1),
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_3, BPF_REG_2),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_3, 0),
+	BPF_EXIT_INSN(),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_48b = { 4 },
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_TRACEPOINT,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"regalloc, spill, JEQ",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+	BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -8), /* spill r0 */
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 0),
+	/* The verifier will walk the rest twice with r0 == 0 and r0 == map_value */
+	BPF_EMIT_CALL(BPF_FUNC_get_prandom_u32),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_0),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_2, 20, 0),
+	/* The verifier will walk the rest two more times with r0 == 20 and r0 == unknown */
+	BPF_LDX_MEM(BPF_DW, BPF_REG_3, BPF_REG_10, -8), /* fill r3 with map_value */
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_3, 0, 1), /* skip ldx if map_value == NULL */
+	/* Buggy verifier will think that r3 == 20 here */
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_3, 0), /* read from map_value */
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_48b = { 4 },
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_TRACEPOINT,
+},
diff --git a/tools/testing/selftests/bpf/verifier/ringbuf.c b/tools/testing/selftests/bpf/verifier/ringbuf.c
new file mode 100644
index 000000000..b64d33e48
--- /dev/null
+++ b/tools/testing/selftests/bpf/verifier/ringbuf.c
@@ -0,0 +1,95 @@
+{
+	"ringbuf: invalid reservation offset 1",
+	.insns = {
+	/* reserve 8 byte ringbuf memory */
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_MOV64_IMM(BPF_REG_2, 8),
+	BPF_MOV64_IMM(BPF_REG_3, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_ringbuf_reserve),
+	/* store a pointer to the reserved memory in R6 */
+	BPF_MOV64_REG(BPF_REG_6, BPF_REG_0),
+	/* check whether the reservation was successful */
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 7),
+	/* spill R6(mem) into the stack */
+	BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_6, -8),
+	/* fill it back in R7 */
+	BPF_LDX_MEM(BPF_DW, BPF_REG_7, BPF_REG_10, -8),
+	/* should be able to access *(R7) = 0 */
+	BPF_ST_MEM(BPF_DW, BPF_REG_7, 0, 0),
+	/* submit the reserved ringbuf memory */
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_7),
+	/* add invalid offset to reserved ringbuf memory */
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 0xcafe),
+	BPF_MOV64_IMM(BPF_REG_2, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_ringbuf_submit),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_ringbuf = { 1 },
+	.result = REJECT,
+	.errstr = "dereference of modified alloc_mem ptr R1",
+},
+{
+	"ringbuf: invalid reservation offset 2",
+	.insns = {
+	/* reserve 8 byte ringbuf memory */
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_MOV64_IMM(BPF_REG_2, 8),
+	BPF_MOV64_IMM(BPF_REG_3, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_ringbuf_reserve),
+	/* store a pointer to the reserved memory in R6 */
+	BPF_MOV64_REG(BPF_REG_6, BPF_REG_0),
+	/* check whether the reservation was successful */
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 7),
+	/* spill R6(mem) into the stack */
+	BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_6, -8),
+	/* fill it back in R7 */
+	BPF_LDX_MEM(BPF_DW, BPF_REG_7, BPF_REG_10, -8),
+	/* add invalid offset to reserved ringbuf memory */
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_7, 0xcafe),
+	/* should be able to access *(R7) = 0 */
+	BPF_ST_MEM(BPF_DW, BPF_REG_7, 0, 0),
+	/* submit the reserved ringbuf memory */
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_7),
+	BPF_MOV64_IMM(BPF_REG_2, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_ringbuf_submit),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_ringbuf = { 1 },
+	.result = REJECT,
+	.errstr = "R7 min value is outside of the allowed memory range",
+},
+{
+	"ringbuf: check passing rb mem to helpers",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
+	/* reserve 8 byte ringbuf memory */
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_MOV64_IMM(BPF_REG_2, 8),
+	BPF_MOV64_IMM(BPF_REG_3, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_ringbuf_reserve),
+	BPF_MOV64_REG(BPF_REG_7, BPF_REG_0),
+	/* check whether the reservation was successful */
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
+	BPF_EXIT_INSN(),
+	/* pass allocated ring buffer memory to fib lookup */
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_0),
+	BPF_MOV64_IMM(BPF_REG_3, 8),
+	BPF_MOV64_IMM(BPF_REG_4, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_fib_lookup),
+	/* submit the ringbuf memory */
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_7),
+	BPF_MOV64_IMM(BPF_REG_2, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_ringbuf_submit),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_ringbuf = { 2 },
+	.prog_type = BPF_PROG_TYPE_XDP,
+	.result = ACCEPT,
+},
diff --git a/tools/testing/selftests/bpf/verifier/runtime_jit.c b/tools/testing/selftests/bpf/verifier/runtime_jit.c
new file mode 100644
index 000000000..94c399d1f
--- /dev/null
+++ b/tools/testing/selftests/bpf/verifier/runtime_jit.c
@@ -0,0 +1,231 @@
+{
+	"runtime/jit: tail_call within bounds, prog once",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_3, 0),
+	BPF_LD_MAP_FD(BPF_REG_2, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_tail_call),
+	BPF_MOV64_IMM(BPF_REG_0, 1),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_prog1 = { 1 },
+	.result = ACCEPT,
+	.retval = 42,
+},
+{
+	"runtime/jit: tail_call within bounds, prog loop",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_3, 1),
+	BPF_LD_MAP_FD(BPF_REG_2, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_tail_call),
+	BPF_MOV64_IMM(BPF_REG_0, 1),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_prog1 = { 1 },
+	.result = ACCEPT,
+	.retval = 41,
+},
+{
+	"runtime/jit: tail_call within bounds, no prog",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_3, 3),
+	BPF_LD_MAP_FD(BPF_REG_2, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_tail_call),
+	BPF_MOV64_IMM(BPF_REG_0, 1),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_prog1 = { 1 },
+	.result = ACCEPT,
+	.retval = 1,
+},
+{
+	"runtime/jit: tail_call within bounds, key 2",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_3, 2),
+	BPF_LD_MAP_FD(BPF_REG_2, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_tail_call),
+	BPF_MOV64_IMM(BPF_REG_0, 1),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_prog1 = { 1 },
+	.result = ACCEPT,
+	.retval = 24,
+},
+{
+	"runtime/jit: tail_call within bounds, key 2 / key 2, first branch",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_0, 13),
+	BPF_STX_MEM(BPF_B, BPF_REG_1, BPF_REG_0,
+		    offsetof(struct __sk_buff, cb[0])),
+	BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
+		    offsetof(struct __sk_buff, cb[0])),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 13, 4),
+	BPF_MOV64_IMM(BPF_REG_3, 2),
+	BPF_LD_MAP_FD(BPF_REG_2, 0),
+	BPF_JMP_IMM(BPF_JA, 0, 0, 3),
+	BPF_MOV64_IMM(BPF_REG_3, 2),
+	BPF_LD_MAP_FD(BPF_REG_2, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_tail_call),
+	BPF_MOV64_IMM(BPF_REG_0, 1),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_prog1 = { 5, 9 },
+	.result = ACCEPT,
+	.retval = 24,
+},
+{
+	"runtime/jit: tail_call within bounds, key 2 / key 2, second branch",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_0, 14),
+	BPF_STX_MEM(BPF_B, BPF_REG_1, BPF_REG_0,
+		    offsetof(struct __sk_buff, cb[0])),
+	BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
+		    offsetof(struct __sk_buff, cb[0])),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 13, 4),
+	BPF_MOV64_IMM(BPF_REG_3, 2),
+	BPF_LD_MAP_FD(BPF_REG_2, 0),
+	BPF_JMP_IMM(BPF_JA, 0, 0, 3),
+	BPF_MOV64_IMM(BPF_REG_3, 2),
+	BPF_LD_MAP_FD(BPF_REG_2, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_tail_call),
+	BPF_MOV64_IMM(BPF_REG_0, 1),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_prog1 = { 5, 9 },
+	.result = ACCEPT,
+	.retval = 24,
+},
+{
+	"runtime/jit: tail_call within bounds, key 0 / key 2, first branch",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_0, 13),
+	BPF_STX_MEM(BPF_B, BPF_REG_1, BPF_REG_0,
+		    offsetof(struct __sk_buff, cb[0])),
+	BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
+		    offsetof(struct __sk_buff, cb[0])),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 13, 4),
+	BPF_MOV64_IMM(BPF_REG_3, 0),
+	BPF_LD_MAP_FD(BPF_REG_2, 0),
+	BPF_JMP_IMM(BPF_JA, 0, 0, 3),
+	BPF_MOV64_IMM(BPF_REG_3, 2),
+	BPF_LD_MAP_FD(BPF_REG_2, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_tail_call),
+	BPF_MOV64_IMM(BPF_REG_0, 1),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_prog1 = { 5, 9 },
+	.result = ACCEPT,
+	.retval = 24,
+},
+{
+	"runtime/jit: tail_call within bounds, key 0 / key 2, second branch",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_0, 14),
+	BPF_STX_MEM(BPF_B, BPF_REG_1, BPF_REG_0,
+		    offsetof(struct __sk_buff, cb[0])),
+	BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
+		    offsetof(struct __sk_buff, cb[0])),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 13, 4),
+	BPF_MOV64_IMM(BPF_REG_3, 0),
+	BPF_LD_MAP_FD(BPF_REG_2, 0),
+	BPF_JMP_IMM(BPF_JA, 0, 0, 3),
+	BPF_MOV64_IMM(BPF_REG_3, 2),
+	BPF_LD_MAP_FD(BPF_REG_2, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_tail_call),
+	BPF_MOV64_IMM(BPF_REG_0, 1),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_prog1 = { 5, 9 },
+	.result = ACCEPT,
+	.retval = 42,
+},
+{
+	"runtime/jit: tail_call within bounds, different maps, first branch",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_0, 13),
+	BPF_STX_MEM(BPF_B, BPF_REG_1, BPF_REG_0,
+		    offsetof(struct __sk_buff, cb[0])),
+	BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
+		    offsetof(struct __sk_buff, cb[0])),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 13, 4),
+	BPF_MOV64_IMM(BPF_REG_3, 0),
+	BPF_LD_MAP_FD(BPF_REG_2, 0),
+	BPF_JMP_IMM(BPF_JA, 0, 0, 3),
+	BPF_MOV64_IMM(BPF_REG_3, 0),
+	BPF_LD_MAP_FD(BPF_REG_2, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_tail_call),
+	BPF_MOV64_IMM(BPF_REG_0, 1),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_prog1 = { 5 },
+	.fixup_prog2 = { 9 },
+	.result_unpriv = REJECT,
+	.errstr_unpriv = "tail_call abusing map_ptr",
+	.result = ACCEPT,
+	.retval = 1,
+},
+{
+	"runtime/jit: tail_call within bounds, different maps, second branch",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_0, 14),
+	BPF_STX_MEM(BPF_B, BPF_REG_1, BPF_REG_0,
+		    offsetof(struct __sk_buff, cb[0])),
+	BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
+		    offsetof(struct __sk_buff, cb[0])),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 13, 4),
+	BPF_MOV64_IMM(BPF_REG_3, 0),
+	BPF_LD_MAP_FD(BPF_REG_2, 0),
+	BPF_JMP_IMM(BPF_JA, 0, 0, 3),
+	BPF_MOV64_IMM(BPF_REG_3, 0),
+	BPF_LD_MAP_FD(BPF_REG_2, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_tail_call),
+	BPF_MOV64_IMM(BPF_REG_0, 1),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_prog1 = { 5 },
+	.fixup_prog2 = { 9 },
+	.result_unpriv = REJECT,
+	.errstr_unpriv = "tail_call abusing map_ptr",
+	.result = ACCEPT,
+	.retval = 42,
+},
+{
+	"runtime/jit: tail_call out of bounds",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_3, 256),
+	BPF_LD_MAP_FD(BPF_REG_2, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_tail_call),
+	BPF_MOV64_IMM(BPF_REG_0, 2),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_prog1 = { 1 },
+	.result = ACCEPT,
+	.retval = 2,
+},
+{
+	"runtime/jit: pass negative index to tail_call",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_3, -1),
+	BPF_LD_MAP_FD(BPF_REG_2, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_tail_call),
+	BPF_MOV64_IMM(BPF_REG_0, 2),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_prog1 = { 1 },
+	.result = ACCEPT,
+	.retval = 2,
+},
+{
+	"runtime/jit: pass > 32bit index to tail_call",
+	.insns = {
+	BPF_LD_IMM64(BPF_REG_3, 0x100000000ULL),
+	BPF_LD_MAP_FD(BPF_REG_2, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_tail_call),
+	BPF_MOV64_IMM(BPF_REG_0, 2),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_prog1 = { 2 },
+	.result = ACCEPT,
+	.retval = 42,
+	/* Verifier rewrite for unpriv skips tail call here. */
+	.retval_unpriv = 2,
+},
diff --git a/tools/testing/selftests/bpf/verifier/scale.c b/tools/testing/selftests/bpf/verifier/scale.c
new file mode 100644
index 000000000..7f868d480
--- /dev/null
+++ b/tools/testing/selftests/bpf/verifier/scale.c
@@ -0,0 +1,18 @@
+{
+	"scale: scale test 1",
+	.insns = { },
+	.data = { },
+	.fill_helper = bpf_fill_scale,
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.result = ACCEPT,
+	.retval = 1,
+},
+{
+	"scale: scale test 2",
+	.insns = { },
+	.data = { },
+	.fill_helper = bpf_fill_scale,
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.result = ACCEPT,
+	.retval = 2,
+},
diff --git a/tools/testing/selftests/bpf/verifier/search_pruning.c b/tools/testing/selftests/bpf/verifier/search_pruning.c
new file mode 100644
index 000000000..d63fd8991
--- /dev/null
+++ b/tools/testing/selftests/bpf/verifier/search_pruning.c
@@ -0,0 +1,263 @@
+{
+	"pointer/scalar confusion in state equality check (way 1)",
+	.insns = {
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 2),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_0, 0),
+	BPF_JMP_A(1),
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_10),
+	BPF_JMP_A(0),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_8b = { 3 },
+	.result = ACCEPT,
+	.retval = POINTER_VALUE,
+	.result_unpriv = REJECT,
+	.errstr_unpriv = "R0 leaks addr as return value"
+},
+{
+	"pointer/scalar confusion in state equality check (way 2)",
+	.insns = {
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 2),
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_10),
+	BPF_JMP_A(1),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_8b = { 3 },
+	.result = ACCEPT,
+	.retval = POINTER_VALUE,
+	.result_unpriv = REJECT,
+	.errstr_unpriv = "R0 leaks addr as return value"
+},
+{
+	"liveness pruning and write screening",
+	.insns = {
+	/* Get an unknown value */
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, 0),
+	/* branch conditions teach us nothing about R2 */
+	BPF_JMP_IMM(BPF_JGE, BPF_REG_2, 0, 1),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_JMP_IMM(BPF_JGE, BPF_REG_2, 0, 1),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "R0 !read_ok",
+	.result = REJECT,
+	.prog_type = BPF_PROG_TYPE_LWT_IN,
+},
+{
+	"varlen_map_value_access pruning",
+	.insns = {
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 8),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_0, 0),
+	BPF_MOV32_IMM(BPF_REG_2, MAX_ENTRIES),
+	BPF_JMP_REG(BPF_JSGT, BPF_REG_2, BPF_REG_1, 1),
+	BPF_MOV32_IMM(BPF_REG_1, 0),
+	BPF_ALU32_IMM(BPF_LSH, BPF_REG_1, 2),
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
+	BPF_JMP_IMM(BPF_JA, 0, 0, 0),
+	BPF_ST_MEM(BPF_DW, BPF_REG_0, 0, offsetof(struct test_val, foo)),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_48b = { 3 },
+	.errstr_unpriv = "R0 leaks addr",
+	.errstr = "R0 unbounded memory access",
+	.result_unpriv = REJECT,
+	.result = REJECT,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"search pruning: all branches should be verified (nop operation)",
+	.insns = {
+		BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+		BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+		BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
+		BPF_LD_MAP_FD(BPF_REG_1, 0),
+		BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+		BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 11),
+		BPF_LDX_MEM(BPF_DW, BPF_REG_3, BPF_REG_0, 0),
+		BPF_JMP_IMM(BPF_JEQ, BPF_REG_3, 0xbeef, 2),
+		BPF_MOV64_IMM(BPF_REG_4, 0),
+		BPF_JMP_A(1),
+		BPF_MOV64_IMM(BPF_REG_4, 1),
+		BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_4, -16),
+		BPF_EMIT_CALL(BPF_FUNC_ktime_get_ns),
+		BPF_LDX_MEM(BPF_DW, BPF_REG_5, BPF_REG_10, -16),
+		BPF_JMP_IMM(BPF_JEQ, BPF_REG_5, 0, 2),
+		BPF_MOV64_IMM(BPF_REG_6, 0),
+		BPF_ST_MEM(BPF_DW, BPF_REG_6, 0, 0xdead),
+		BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_8b = { 3 },
+	.errstr = "R6 invalid mem access 'scalar'",
+	.result = REJECT,
+	.prog_type = BPF_PROG_TYPE_TRACEPOINT,
+},
+{
+	"search pruning: all branches should be verified (invalid stack access)",
+	.insns = {
+		BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+		BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+		BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
+		BPF_LD_MAP_FD(BPF_REG_1, 0),
+		BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+		BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 8),
+		BPF_LDX_MEM(BPF_DW, BPF_REG_3, BPF_REG_0, 0),
+		BPF_MOV64_IMM(BPF_REG_4, 0),
+		BPF_JMP_IMM(BPF_JEQ, BPF_REG_3, 0xbeef, 2),
+		BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_4, -16),
+		BPF_JMP_A(1),
+		BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_4, -24),
+		BPF_EMIT_CALL(BPF_FUNC_ktime_get_ns),
+		BPF_LDX_MEM(BPF_DW, BPF_REG_5, BPF_REG_10, -16),
+		BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_8b = { 3 },
+	.errstr = "invalid read from stack off -16+0 size 8",
+	.result = REJECT,
+	.prog_type = BPF_PROG_TYPE_TRACEPOINT,
+},
+{
+	"precision tracking for u32 spill/fill",
+	.insns = {
+		BPF_MOV64_REG(BPF_REG_7, BPF_REG_1),
+		BPF_EMIT_CALL(BPF_FUNC_get_prandom_u32),
+		BPF_MOV32_IMM(BPF_REG_6, 32),
+		BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 1),
+		BPF_MOV32_IMM(BPF_REG_6, 4),
+		/* Additional insns to introduce a pruning point. */
+		BPF_EMIT_CALL(BPF_FUNC_get_prandom_u32),
+		BPF_MOV64_IMM(BPF_REG_3, 0),
+		BPF_MOV64_IMM(BPF_REG_3, 0),
+		BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 1),
+		BPF_MOV64_IMM(BPF_REG_3, 0),
+		/* u32 spill/fill */
+		BPF_STX_MEM(BPF_W, BPF_REG_10, BPF_REG_6, -8),
+		BPF_LDX_MEM(BPF_W, BPF_REG_8, BPF_REG_10, -8),
+		/* out-of-bound map value access for r6=32 */
+		BPF_ST_MEM(BPF_DW, BPF_REG_10, -16, 0),
+		BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+		BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -16),
+		BPF_LD_MAP_FD(BPF_REG_1, 0),
+		BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+		BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 2),
+		BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_8),
+		BPF_LDX_MEM(BPF_W, BPF_REG_1, BPF_REG_0, 0),
+		BPF_MOV64_IMM(BPF_REG_0, 0),
+		BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_8b = { 15 },
+	.result = REJECT,
+	.errstr = "R0 min value is outside of the allowed memory range",
+	.prog_type = BPF_PROG_TYPE_TRACEPOINT,
+},
+{
+	"precision tracking for u32 spills, u64 fill",
+	.insns = {
+		BPF_EMIT_CALL(BPF_FUNC_get_prandom_u32),
+		BPF_MOV64_REG(BPF_REG_6, BPF_REG_0),
+		BPF_MOV32_IMM(BPF_REG_7, 0xffffffff),
+		/* Additional insns to introduce a pruning point. */
+		BPF_MOV64_IMM(BPF_REG_3, 1),
+		BPF_MOV64_IMM(BPF_REG_3, 1),
+		BPF_MOV64_IMM(BPF_REG_3, 1),
+		BPF_MOV64_IMM(BPF_REG_3, 1),
+		BPF_EMIT_CALL(BPF_FUNC_get_prandom_u32),
+		BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 1),
+		BPF_MOV64_IMM(BPF_REG_3, 1),
+		BPF_ALU32_IMM(BPF_DIV, BPF_REG_3, 0),
+		/* u32 spills, u64 fill */
+		BPF_STX_MEM(BPF_W, BPF_REG_10, BPF_REG_6, -4),
+		BPF_STX_MEM(BPF_W, BPF_REG_10, BPF_REG_7, -8),
+		BPF_LDX_MEM(BPF_DW, BPF_REG_8, BPF_REG_10, -8),
+		/* if r8 != X goto pc+1  r8 known in fallthrough branch */
+		BPF_JMP_IMM(BPF_JNE, BPF_REG_8, 0xffffffff, 1),
+		BPF_MOV64_IMM(BPF_REG_3, 1),
+		/* if r8 == X goto pc+1  condition always true on first
+		 * traversal, so starts backtracking to mark r8 as requiring
+		 * precision. r7 marked as needing precision. r6 not marked
+		 * since it's not tracked.
+		 */
+		BPF_JMP_IMM(BPF_JEQ, BPF_REG_8, 0xffffffff, 1),
+		/* fails if r8 correctly marked unknown after fill. */
+		BPF_ALU32_IMM(BPF_DIV, BPF_REG_3, 0),
+		BPF_MOV64_IMM(BPF_REG_0, 0),
+		BPF_EXIT_INSN(),
+	},
+	.result = REJECT,
+	.errstr = "div by zero",
+	.prog_type = BPF_PROG_TYPE_TRACEPOINT,
+},
+{
+	"allocated_stack",
+	.insns = {
+		BPF_ALU64_REG(BPF_MOV, BPF_REG_6, BPF_REG_1),
+		BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_prandom_u32),
+		BPF_ALU64_REG(BPF_MOV, BPF_REG_7, BPF_REG_0),
+		BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 5),
+		BPF_MOV64_IMM(BPF_REG_0, 0),
+		BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_6, -8),
+		BPF_LDX_MEM(BPF_DW, BPF_REG_6, BPF_REG_10, -8),
+		BPF_STX_MEM(BPF_B, BPF_REG_10, BPF_REG_7, -9),
+		BPF_LDX_MEM(BPF_B, BPF_REG_7, BPF_REG_10, -9),
+		BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 0),
+		BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 0),
+		BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 0),
+		BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 0),
+		BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.result_unpriv = ACCEPT,
+	.insn_processed = 15,
+},
+/* The test performs a conditional 64-bit write to a stack location
+ * fp[-8], this is followed by an unconditional 8-bit write to fp[-8],
+ * then data is read from fp[-8]. This sequence is unsafe.
+ *
+ * The test would be mistakenly marked as safe w/o dst register parent
+ * preservation in verifier.c:copy_register_state() function.
+ *
+ * Note the usage of BPF_F_TEST_STATE_FREQ to force creation of the
+ * checkpoint state after conditional 64-bit assignment.
+ */
+{
+	"write tracking and register parent chain bug",
+	.insns = {
+	/* r6 = ktime_get_ns() */
+	BPF_EMIT_CALL(BPF_FUNC_ktime_get_ns),
+	BPF_MOV64_REG(BPF_REG_6, BPF_REG_0),
+	/* r0 = ktime_get_ns() */
+	BPF_EMIT_CALL(BPF_FUNC_ktime_get_ns),
+	/* if r0 > r6 goto +1 */
+	BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_6, 1),
+	/* *(u64 *)(r10 - 8) = 0xdeadbeef */
+	BPF_ST_MEM(BPF_DW, BPF_REG_FP, -8, 0xdeadbeef),
+	/* r1 = 42 */
+	BPF_MOV64_IMM(BPF_REG_1, 42),
+	/* *(u8 *)(r10 - 8) = r1 */
+	BPF_STX_MEM(BPF_B, BPF_REG_FP, BPF_REG_1, -8),
+	/* r2 = *(u64 *)(r10 - 8) */
+	BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_FP, -8),
+	/* exit(0) */
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.flags = BPF_F_TEST_STATE_FREQ,
+	.errstr = "invalid read from stack off -8+1 size 8",
+	.result = REJECT,
+},
diff --git a/tools/testing/selftests/bpf/verifier/sock.c b/tools/testing/selftests/bpf/verifier/sock.c
new file mode 100644
index 000000000..d11d0b28b
--- /dev/null
+++ b/tools/testing/selftests/bpf/verifier/sock.c
@@ -0,0 +1,733 @@
+{
+	"skb->sk: no NULL check",
+	.insns = {
+	BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_1, offsetof(struct __sk_buff, sk)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_CGROUP_SKB,
+	.result = REJECT,
+	.errstr = "invalid mem access 'sock_common_or_null'",
+},
+{
+	"skb->sk: sk->family [non fullsock field]",
+	.insns = {
+	BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_1, offsetof(struct __sk_buff, sk)),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_1, 0, 2),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, offsetof(struct bpf_sock, family)),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_CGROUP_SKB,
+	.result = ACCEPT,
+},
+{
+	"skb->sk: sk->type [fullsock field]",
+	.insns = {
+	BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_1, offsetof(struct __sk_buff, sk)),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_1, 0, 2),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, offsetof(struct bpf_sock, type)),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_CGROUP_SKB,
+	.result = REJECT,
+	.errstr = "invalid sock_common access",
+},
+{
+	"bpf_sk_fullsock(skb->sk): no !skb->sk check",
+	.insns = {
+	BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_1, offsetof(struct __sk_buff, sk)),
+	BPF_EMIT_CALL(BPF_FUNC_sk_fullsock),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_CGROUP_SKB,
+	.result = REJECT,
+	.errstr = "type=sock_common_or_null expected=sock_common",
+},
+{
+	"sk_fullsock(skb->sk): no NULL check on ret",
+	.insns = {
+	BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_1, offsetof(struct __sk_buff, sk)),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_1, 0, 2),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	BPF_EMIT_CALL(BPF_FUNC_sk_fullsock),
+	BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_0, offsetof(struct bpf_sock, type)),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_CGROUP_SKB,
+	.result = REJECT,
+	.errstr = "invalid mem access 'sock_or_null'",
+},
+{
+	"sk_fullsock(skb->sk): sk->type [fullsock field]",
+	.insns = {
+	BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_1, offsetof(struct __sk_buff, sk)),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_1, 0, 2),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	BPF_EMIT_CALL(BPF_FUNC_sk_fullsock),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 2),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_0, offsetof(struct bpf_sock, type)),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_CGROUP_SKB,
+	.result = ACCEPT,
+},
+{
+	"sk_fullsock(skb->sk): sk->family [non fullsock field]",
+	.insns = {
+	BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_1, offsetof(struct __sk_buff, sk)),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_1, 0, 2),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	BPF_EMIT_CALL(BPF_FUNC_sk_fullsock),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
+	BPF_EXIT_INSN(),
+	BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_0, offsetof(struct bpf_sock, family)),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_CGROUP_SKB,
+	.result = ACCEPT,
+},
+{
+	"sk_fullsock(skb->sk): sk->state [narrow load]",
+	.insns = {
+	BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_1, offsetof(struct __sk_buff, sk)),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_1, 0, 2),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	BPF_EMIT_CALL(BPF_FUNC_sk_fullsock),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 2),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_0, offsetof(struct bpf_sock, state)),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_CGROUP_SKB,
+	.result = ACCEPT,
+},
+{
+	"sk_fullsock(skb->sk): sk->dst_port [word load] (backward compatibility)",
+	.insns = {
+	BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_1, offsetof(struct __sk_buff, sk)),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_1, 0, 2),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	BPF_EMIT_CALL(BPF_FUNC_sk_fullsock),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 2),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_0, offsetof(struct bpf_sock, dst_port)),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_CGROUP_SKB,
+	.result = ACCEPT,
+},
+{
+	"sk_fullsock(skb->sk): sk->dst_port [half load]",
+	.insns = {
+	BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_1, offsetof(struct __sk_buff, sk)),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_1, 0, 2),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	BPF_EMIT_CALL(BPF_FUNC_sk_fullsock),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 2),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_0, offsetof(struct bpf_sock, dst_port)),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_CGROUP_SKB,
+	.result = ACCEPT,
+},
+{
+	"sk_fullsock(skb->sk): sk->dst_port [half load] (invalid)",
+	.insns = {
+	BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_1, offsetof(struct __sk_buff, sk)),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_1, 0, 2),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	BPF_EMIT_CALL(BPF_FUNC_sk_fullsock),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 2),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_0, offsetof(struct bpf_sock, dst_port) + 2),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_CGROUP_SKB,
+	.result = REJECT,
+	.errstr = "invalid sock access",
+},
+{
+	"sk_fullsock(skb->sk): sk->dst_port [byte load]",
+	.insns = {
+	BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_1, offsetof(struct __sk_buff, sk)),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_1, 0, 2),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	BPF_EMIT_CALL(BPF_FUNC_sk_fullsock),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 2),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	BPF_LDX_MEM(BPF_B, BPF_REG_2, BPF_REG_0, offsetof(struct bpf_sock, dst_port)),
+	BPF_LDX_MEM(BPF_B, BPF_REG_2, BPF_REG_0, offsetof(struct bpf_sock, dst_port) + 1),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_CGROUP_SKB,
+	.result = ACCEPT,
+},
+{
+	"sk_fullsock(skb->sk): sk->dst_port [byte load] (invalid)",
+	.insns = {
+	BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_1, offsetof(struct __sk_buff, sk)),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_1, 0, 2),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	BPF_EMIT_CALL(BPF_FUNC_sk_fullsock),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 2),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_0, offsetof(struct bpf_sock, dst_port) + 2),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_CGROUP_SKB,
+	.result = REJECT,
+	.errstr = "invalid sock access",
+},
+{
+	"sk_fullsock(skb->sk): past sk->dst_port [half load] (invalid)",
+	.insns = {
+	BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_1, offsetof(struct __sk_buff, sk)),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_1, 0, 2),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	BPF_EMIT_CALL(BPF_FUNC_sk_fullsock),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 2),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_0, offsetofend(struct bpf_sock, dst_port)),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_CGROUP_SKB,
+	.result = REJECT,
+	.errstr = "invalid sock access",
+},
+{
+	"sk_fullsock(skb->sk): sk->dst_ip6 [load 2nd byte]",
+	.insns = {
+	BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_1, offsetof(struct __sk_buff, sk)),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_1, 0, 2),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	BPF_EMIT_CALL(BPF_FUNC_sk_fullsock),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 2),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_0, offsetof(struct bpf_sock, dst_ip6[0]) + 1),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_CGROUP_SKB,
+	.result = ACCEPT,
+},
+{
+	"sk_fullsock(skb->sk): sk->type [narrow load]",
+	.insns = {
+	BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_1, offsetof(struct __sk_buff, sk)),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_1, 0, 2),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	BPF_EMIT_CALL(BPF_FUNC_sk_fullsock),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 2),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_0, offsetof(struct bpf_sock, type)),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_CGROUP_SKB,
+	.result = ACCEPT,
+},
+{
+	"sk_fullsock(skb->sk): sk->protocol [narrow load]",
+	.insns = {
+	BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_1, offsetof(struct __sk_buff, sk)),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_1, 0, 2),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	BPF_EMIT_CALL(BPF_FUNC_sk_fullsock),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 2),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_0, offsetof(struct bpf_sock, protocol)),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_CGROUP_SKB,
+	.result = ACCEPT,
+},
+{
+	"sk_fullsock(skb->sk): beyond last field",
+	.insns = {
+	BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_1, offsetof(struct __sk_buff, sk)),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_1, 0, 2),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	BPF_EMIT_CALL(BPF_FUNC_sk_fullsock),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 2),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_0, offsetofend(struct bpf_sock, rx_queue_mapping)),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_CGROUP_SKB,
+	.result = REJECT,
+	.errstr = "invalid sock access",
+},
+{
+	"bpf_tcp_sock(skb->sk): no !skb->sk check",
+	.insns = {
+	BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_1, offsetof(struct __sk_buff, sk)),
+	BPF_EMIT_CALL(BPF_FUNC_tcp_sock),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_CGROUP_SKB,
+	.result = REJECT,
+	.errstr = "type=sock_common_or_null expected=sock_common",
+},
+{
+	"bpf_tcp_sock(skb->sk): no NULL check on ret",
+	.insns = {
+	BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_1, offsetof(struct __sk_buff, sk)),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_1, 0, 2),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	BPF_EMIT_CALL(BPF_FUNC_tcp_sock),
+	BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_0, offsetof(struct bpf_tcp_sock, snd_cwnd)),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_CGROUP_SKB,
+	.result = REJECT,
+	.errstr = "invalid mem access 'tcp_sock_or_null'",
+},
+{
+	"bpf_tcp_sock(skb->sk): tp->snd_cwnd",
+	.insns = {
+	BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_1, offsetof(struct __sk_buff, sk)),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_1, 0, 2),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	BPF_EMIT_CALL(BPF_FUNC_tcp_sock),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
+	BPF_EXIT_INSN(),
+	BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_0, offsetof(struct bpf_tcp_sock, snd_cwnd)),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_CGROUP_SKB,
+	.result = ACCEPT,
+},
+{
+	"bpf_tcp_sock(skb->sk): tp->bytes_acked",
+	.insns = {
+	BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_1, offsetof(struct __sk_buff, sk)),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_1, 0, 2),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	BPF_EMIT_CALL(BPF_FUNC_tcp_sock),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
+	BPF_EXIT_INSN(),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_0, offsetof(struct bpf_tcp_sock, bytes_acked)),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_CGROUP_SKB,
+	.result = ACCEPT,
+},
+{
+	"bpf_tcp_sock(skb->sk): beyond last field",
+	.insns = {
+	BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_1, offsetof(struct __sk_buff, sk)),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_1, 0, 2),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	BPF_EMIT_CALL(BPF_FUNC_tcp_sock),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
+	BPF_EXIT_INSN(),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_0, offsetofend(struct bpf_tcp_sock, bytes_acked)),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_CGROUP_SKB,
+	.result = REJECT,
+	.errstr = "invalid tcp_sock access",
+},
+{
+	"bpf_tcp_sock(bpf_sk_fullsock(skb->sk)): tp->snd_cwnd",
+	.insns = {
+	BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_1, offsetof(struct __sk_buff, sk)),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_1, 0, 2),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	BPF_EMIT_CALL(BPF_FUNC_sk_fullsock),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
+	BPF_EXIT_INSN(),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+	BPF_EMIT_CALL(BPF_FUNC_tcp_sock),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
+	BPF_EXIT_INSN(),
+	BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_0, offsetof(struct bpf_tcp_sock, snd_cwnd)),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_CGROUP_SKB,
+	.result = ACCEPT,
+},
+{
+	"bpf_sk_release(skb->sk)",
+	.insns = {
+	BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_1, offsetof(struct __sk_buff, sk)),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 0, 1),
+	BPF_EMIT_CALL(BPF_FUNC_sk_release),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.result = REJECT,
+	.errstr = "R1 must be referenced when passed to release function",
+},
+{
+	"bpf_sk_release(bpf_sk_fullsock(skb->sk))",
+	.insns = {
+	BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_1, offsetof(struct __sk_buff, sk)),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_1, 0, 2),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	BPF_EMIT_CALL(BPF_FUNC_sk_fullsock),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
+	BPF_EXIT_INSN(),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+	BPF_EMIT_CALL(BPF_FUNC_sk_release),
+	BPF_MOV64_IMM(BPF_REG_0, 1),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.result = REJECT,
+	.errstr = "R1 must be referenced when passed to release function",
+},
+{
+	"bpf_sk_release(bpf_tcp_sock(skb->sk))",
+	.insns = {
+	BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_1, offsetof(struct __sk_buff, sk)),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_1, 0, 2),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	BPF_EMIT_CALL(BPF_FUNC_tcp_sock),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
+	BPF_EXIT_INSN(),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+	BPF_EMIT_CALL(BPF_FUNC_sk_release),
+	BPF_MOV64_IMM(BPF_REG_0, 1),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.result = REJECT,
+	.errstr = "R1 must be referenced when passed to release function",
+},
+{
+	"sk_storage_get(map, skb->sk, NULL, 0): value == NULL",
+	.insns = {
+	BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_1, offsetof(struct __sk_buff, sk)),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_1, 0, 2),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	BPF_EMIT_CALL(BPF_FUNC_sk_fullsock),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 2),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	BPF_MOV64_IMM(BPF_REG_4, 0),
+	BPF_MOV64_IMM(BPF_REG_3, 0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_0),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_EMIT_CALL(BPF_FUNC_sk_storage_get),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_sk_storage_map = { 11 },
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.result = ACCEPT,
+},
+{
+	"sk_storage_get(map, skb->sk, 1, 1): value == 1",
+	.insns = {
+	BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_1, offsetof(struct __sk_buff, sk)),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_1, 0, 2),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	BPF_EMIT_CALL(BPF_FUNC_sk_fullsock),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 2),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	BPF_MOV64_IMM(BPF_REG_4, 1),
+	BPF_MOV64_IMM(BPF_REG_3, 1),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_0),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_EMIT_CALL(BPF_FUNC_sk_storage_get),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_sk_storage_map = { 11 },
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.result = REJECT,
+	.errstr = "R3 type=scalar expected=fp",
+},
+{
+	"sk_storage_get(map, skb->sk, &stack_value, 1): stack_value",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_2, 0),
+	BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_2, -8),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_1, offsetof(struct __sk_buff, sk)),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_1, 0, 2),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	BPF_EMIT_CALL(BPF_FUNC_sk_fullsock),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 2),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	BPF_MOV64_IMM(BPF_REG_4, 1),
+	BPF_MOV64_REG(BPF_REG_3, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_3, -8),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_0),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_EMIT_CALL(BPF_FUNC_sk_storage_get),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_sk_storage_map = { 14 },
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.result = ACCEPT,
+},
+{
+	"sk_storage_get(map, skb->sk, &stack_value, 1): partially init stack_value",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_2, 0),
+	BPF_STX_MEM(BPF_W, BPF_REG_10, BPF_REG_2, -8),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_1, offsetof(struct __sk_buff, sk)),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_1, 0, 2),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	BPF_EMIT_CALL(BPF_FUNC_sk_fullsock),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 2),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	BPF_MOV64_IMM(BPF_REG_4, 1),
+	BPF_MOV64_REG(BPF_REG_3, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_3, -8),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_0),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_EMIT_CALL(BPF_FUNC_sk_storage_get),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_sk_storage_map = { 14 },
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.result = REJECT,
+	.errstr = "invalid indirect read from stack",
+},
+{
+	"bpf_map_lookup_elem(smap, &key)",
+	.insns = {
+	BPF_ST_MEM(BPF_W, BPF_REG_10, -4, 0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -4),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_sk_storage_map = { 3 },
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.result = REJECT,
+	.errstr = "cannot pass map_type 24 into func bpf_map_lookup_elem",
+},
+{
+	"bpf_map_lookup_elem(xskmap, &key); xs->queue_id",
+	.insns = {
+	BPF_ST_MEM(BPF_W, BPF_REG_10, -8, 0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
+	BPF_EXIT_INSN(),
+	BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_0, offsetof(struct bpf_xdp_sock, queue_id)),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_xskmap = { 3 },
+	.prog_type = BPF_PROG_TYPE_XDP,
+	.result = ACCEPT,
+},
+{
+	"bpf_map_lookup_elem(sockmap, &key)",
+	.insns = {
+	BPF_ST_MEM(BPF_W, BPF_REG_10, -4, 0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -4),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_sockmap = { 3 },
+	.prog_type = BPF_PROG_TYPE_SK_SKB,
+	.result = REJECT,
+	.errstr = "Unreleased reference id=2 alloc_insn=5",
+},
+{
+	"bpf_map_lookup_elem(sockhash, &key)",
+	.insns = {
+	BPF_ST_MEM(BPF_W, BPF_REG_10, -4, 0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -4),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_sockhash = { 3 },
+	.prog_type = BPF_PROG_TYPE_SK_SKB,
+	.result = REJECT,
+	.errstr = "Unreleased reference id=2 alloc_insn=5",
+},
+{
+	"bpf_map_lookup_elem(sockmap, &key); sk->type [fullsock field]; bpf_sk_release(sk)",
+	.insns = {
+	BPF_ST_MEM(BPF_W, BPF_REG_10, -4, 0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -4),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
+	BPF_EXIT_INSN(),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+	BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_0, offsetof(struct bpf_sock, type)),
+	BPF_EMIT_CALL(BPF_FUNC_sk_release),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_sockmap = { 3 },
+	.prog_type = BPF_PROG_TYPE_SK_SKB,
+	.result = ACCEPT,
+},
+{
+	"bpf_map_lookup_elem(sockhash, &key); sk->type [fullsock field]; bpf_sk_release(sk)",
+	.insns = {
+	BPF_ST_MEM(BPF_W, BPF_REG_10, -4, 0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -4),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
+	BPF_EXIT_INSN(),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+	BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_0, offsetof(struct bpf_sock, type)),
+	BPF_EMIT_CALL(BPF_FUNC_sk_release),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_sockhash = { 3 },
+	.prog_type = BPF_PROG_TYPE_SK_SKB,
+	.result = ACCEPT,
+},
+{
+	"bpf_sk_select_reuseport(ctx, reuseport_array, &key, flags)",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_4, 0),
+	BPF_ST_MEM(BPF_W, BPF_REG_10, -4, 0),
+	BPF_MOV64_REG(BPF_REG_3, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_3, -4),
+	BPF_LD_MAP_FD(BPF_REG_2, 0),
+	BPF_EMIT_CALL(BPF_FUNC_sk_select_reuseport),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_reuseport_array = { 4 },
+	.prog_type = BPF_PROG_TYPE_SK_REUSEPORT,
+	.result = ACCEPT,
+},
+{
+	"bpf_sk_select_reuseport(ctx, sockmap, &key, flags)",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_4, 0),
+	BPF_ST_MEM(BPF_W, BPF_REG_10, -4, 0),
+	BPF_MOV64_REG(BPF_REG_3, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_3, -4),
+	BPF_LD_MAP_FD(BPF_REG_2, 0),
+	BPF_EMIT_CALL(BPF_FUNC_sk_select_reuseport),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_sockmap = { 4 },
+	.prog_type = BPF_PROG_TYPE_SK_REUSEPORT,
+	.result = ACCEPT,
+},
+{
+	"bpf_sk_select_reuseport(ctx, sockhash, &key, flags)",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_4, 0),
+	BPF_ST_MEM(BPF_W, BPF_REG_10, -4, 0),
+	BPF_MOV64_REG(BPF_REG_3, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_3, -4),
+	BPF_LD_MAP_FD(BPF_REG_2, 0),
+	BPF_EMIT_CALL(BPF_FUNC_sk_select_reuseport),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_sockmap = { 4 },
+	.prog_type = BPF_PROG_TYPE_SK_REUSEPORT,
+	.result = ACCEPT,
+},
+{
+	"mark null check on return value of bpf_skc_to helpers",
+	.insns = {
+	BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_1, offsetof(struct __sk_buff, sk)),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_1, 0, 2),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
+	BPF_EMIT_CALL(BPF_FUNC_skc_to_tcp_sock),
+	BPF_MOV64_REG(BPF_REG_7, BPF_REG_0),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
+	BPF_EMIT_CALL(BPF_FUNC_skc_to_tcp_request_sock),
+	BPF_MOV64_REG(BPF_REG_8, BPF_REG_0),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_8, 0, 2),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_7, 0),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.result = REJECT,
+	.errstr = "invalid mem access",
+	.result_unpriv = REJECT,
+	.errstr_unpriv = "unknown func",
+},
diff --git a/tools/testing/selftests/bpf/verifier/spill_fill.c b/tools/testing/selftests/bpf/verifier/spill_fill.c
new file mode 100644
index 000000000..e23f07175
--- /dev/null
+++ b/tools/testing/selftests/bpf/verifier/spill_fill.c
@@ -0,0 +1,344 @@
+{
+	"check valid spill/fill",
+	.insns = {
+	/* spill R1(ctx) into stack */
+	BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_1, -8),
+	/* fill it back into R2 */
+	BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_10, -8),
+	/* should be able to access R0 = *(R2 + 8) */
+	/* BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_2, 8), */
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
+	BPF_EXIT_INSN(),
+	},
+	.errstr_unpriv = "R0 leaks addr",
+	.result = ACCEPT,
+	.result_unpriv = REJECT,
+	.retval = POINTER_VALUE,
+},
+{
+	"check valid spill/fill, skb mark",
+	.insns = {
+	BPF_ALU64_REG(BPF_MOV, BPF_REG_6, BPF_REG_1),
+	BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_6, -8),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_10, -8),
+	BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_0,
+		    offsetof(struct __sk_buff, mark)),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.result_unpriv = ACCEPT,
+},
+{
+	"check valid spill/fill, ptr to mem",
+	.insns = {
+	/* reserve 8 byte ringbuf memory */
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_MOV64_IMM(BPF_REG_2, 8),
+	BPF_MOV64_IMM(BPF_REG_3, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_ringbuf_reserve),
+	/* store a pointer to the reserved memory in R6 */
+	BPF_MOV64_REG(BPF_REG_6, BPF_REG_0),
+	/* check whether the reservation was successful */
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 6),
+	/* spill R6(mem) into the stack */
+	BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_6, -8),
+	/* fill it back in R7 */
+	BPF_LDX_MEM(BPF_DW, BPF_REG_7, BPF_REG_10, -8),
+	/* should be able to access *(R7) = 0 */
+	BPF_ST_MEM(BPF_DW, BPF_REG_7, 0, 0),
+	/* submit the reserved ringbuf memory */
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_7),
+	BPF_MOV64_IMM(BPF_REG_2, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_ringbuf_submit),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_ringbuf = { 1 },
+	.result = ACCEPT,
+	.result_unpriv = ACCEPT,
+},
+{
+	"check with invalid reg offset 0",
+	.insns = {
+	/* reserve 8 byte ringbuf memory */
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_MOV64_IMM(BPF_REG_2, 8),
+	BPF_MOV64_IMM(BPF_REG_3, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_ringbuf_reserve),
+	/* store a pointer to the reserved memory in R6 */
+	BPF_MOV64_REG(BPF_REG_6, BPF_REG_0),
+	/* add invalid offset to memory or NULL */
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 1),
+	/* check whether the reservation was successful */
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 4),
+	/* should not be able to access *(R7) = 0 */
+	BPF_ST_MEM(BPF_W, BPF_REG_6, 0, 0),
+	/* submit the reserved ringbuf memory */
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
+	BPF_MOV64_IMM(BPF_REG_2, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_ringbuf_submit),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_ringbuf = { 1 },
+	.result = REJECT,
+	.errstr = "R0 pointer arithmetic on alloc_mem_or_null prohibited",
+},
+{
+	"check corrupted spill/fill",
+	.insns = {
+	/* spill R1(ctx) into stack */
+	BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_1, -8),
+	/* mess up with R1 pointer on stack */
+	BPF_ST_MEM(BPF_B, BPF_REG_10, -7, 0x23),
+	/* fill back into R0 is fine for priv.
+	 * R0 now becomes SCALAR_VALUE.
+	 */
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_10, -8),
+	/* Load from R0 should fail. */
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_0, 8),
+	BPF_EXIT_INSN(),
+	},
+	.errstr_unpriv = "attempt to corrupt spilled",
+	.errstr = "R0 invalid mem access 'scalar'",
+	.result = REJECT,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"check corrupted spill/fill, LSB",
+	.insns = {
+	BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_1, -8),
+	BPF_ST_MEM(BPF_H, BPF_REG_10, -8, 0xcafe),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_10, -8),
+	BPF_EXIT_INSN(),
+	},
+	.errstr_unpriv = "attempt to corrupt spilled",
+	.result_unpriv = REJECT,
+	.result = ACCEPT,
+	.retval = POINTER_VALUE,
+},
+{
+	"check corrupted spill/fill, MSB",
+	.insns = {
+	BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_1, -8),
+	BPF_ST_MEM(BPF_W, BPF_REG_10, -4, 0x12345678),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_10, -8),
+	BPF_EXIT_INSN(),
+	},
+	.errstr_unpriv = "attempt to corrupt spilled",
+	.result_unpriv = REJECT,
+	.result = ACCEPT,
+	.retval = POINTER_VALUE,
+},
+{
+	"Spill and refill a u32 const scalar.  Offset to skb->data",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+		    offsetof(struct __sk_buff, data)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+		    offsetof(struct __sk_buff, data_end)),
+	/* r4 = 20 */
+	BPF_MOV32_IMM(BPF_REG_4, 20),
+	/* *(u32 *)(r10 -8) = r4 */
+	BPF_STX_MEM(BPF_W, BPF_REG_10, BPF_REG_4, -8),
+	/* r4 = *(u32 *)(r10 -8) */
+	BPF_LDX_MEM(BPF_W, BPF_REG_4, BPF_REG_10, -8),
+	/* r0 = r2 */
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
+	/* r0 += r4 R0=pkt R2=pkt R3=pkt_end R4=20 */
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_4),
+	/* if (r0 > r3) R0=pkt,off=20 R2=pkt R3=pkt_end R4=20 */
+	BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 1),
+	/* r0 = *(u32 *)r2 R0=pkt,off=20,r=20 R2=pkt,r=20 R3=pkt_end R4=20 */
+	BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_2, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+},
+{
+	"Spill a u32 const, refill from another half of the uninit u32 from the stack",
+	.insns = {
+	/* r4 = 20 */
+	BPF_MOV32_IMM(BPF_REG_4, 20),
+	/* *(u32 *)(r10 -8) = r4 */
+	BPF_STX_MEM(BPF_W, BPF_REG_10, BPF_REG_4, -8),
+	/* r4 = *(u32 *)(r10 -4) fp-8=????rrrr*/
+	BPF_LDX_MEM(BPF_W, BPF_REG_4, BPF_REG_10, -4),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = REJECT,
+	.errstr = "invalid read from stack off -4+0 size 4",
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+},
+{
+	"Spill a u32 const scalar.  Refill as u16.  Offset to skb->data",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+		    offsetof(struct __sk_buff, data)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+		    offsetof(struct __sk_buff, data_end)),
+	/* r4 = 20 */
+	BPF_MOV32_IMM(BPF_REG_4, 20),
+	/* *(u32 *)(r10 -8) = r4 */
+	BPF_STX_MEM(BPF_W, BPF_REG_10, BPF_REG_4, -8),
+	/* r4 = *(u16 *)(r10 -8) */
+	BPF_LDX_MEM(BPF_H, BPF_REG_4, BPF_REG_10, -8),
+	/* r0 = r2 */
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
+	/* r0 += r4 R0=pkt R2=pkt R3=pkt_end R4=umax=65535 */
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_4),
+	/* if (r0 > r3) R0=pkt,umax=65535 R2=pkt R3=pkt_end R4=umax=65535 */
+	BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 1),
+	/* r0 = *(u32 *)r2 R0=pkt,umax=65535 R2=pkt R3=pkt_end R4=20 */
+	BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_2, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = REJECT,
+	.errstr = "invalid access to packet",
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+},
+{
+	"Spill u32 const scalars.  Refill as u64.  Offset to skb->data",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+		    offsetof(struct __sk_buff, data)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+		    offsetof(struct __sk_buff, data_end)),
+	/* r6 = 0 */
+	BPF_MOV32_IMM(BPF_REG_6, 0),
+	/* r7 = 20 */
+	BPF_MOV32_IMM(BPF_REG_7, 20),
+	/* *(u32 *)(r10 -4) = r6 */
+	BPF_STX_MEM(BPF_W, BPF_REG_10, BPF_REG_6, -4),
+	/* *(u32 *)(r10 -8) = r7 */
+	BPF_STX_MEM(BPF_W, BPF_REG_10, BPF_REG_7, -8),
+	/* r4 = *(u64 *)(r10 -8) */
+	BPF_LDX_MEM(BPF_H, BPF_REG_4, BPF_REG_10, -8),
+	/* r0 = r2 */
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
+	/* r0 += r4 R0=pkt R2=pkt R3=pkt_end R4=umax=65535 */
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_4),
+	/* if (r0 > r3) R0=pkt,umax=65535 R2=pkt R3=pkt_end R4=umax=65535 */
+	BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 1),
+	/* r0 = *(u32 *)r2 R0=pkt,umax=65535 R2=pkt R3=pkt_end R4=20 */
+	BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_2, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = REJECT,
+	.errstr = "invalid access to packet",
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+},
+{
+	"Spill a u32 const scalar.  Refill as u16 from fp-6.  Offset to skb->data",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+		    offsetof(struct __sk_buff, data)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+		    offsetof(struct __sk_buff, data_end)),
+	/* r4 = 20 */
+	BPF_MOV32_IMM(BPF_REG_4, 20),
+	/* *(u32 *)(r10 -8) = r4 */
+	BPF_STX_MEM(BPF_W, BPF_REG_10, BPF_REG_4, -8),
+	/* r4 = *(u16 *)(r10 -6) */
+	BPF_LDX_MEM(BPF_H, BPF_REG_4, BPF_REG_10, -6),
+	/* r0 = r2 */
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
+	/* r0 += r4 R0=pkt R2=pkt R3=pkt_end R4=umax=65535 */
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_4),
+	/* if (r0 > r3) R0=pkt,umax=65535 R2=pkt R3=pkt_end R4=umax=65535 */
+	BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 1),
+	/* r0 = *(u32 *)r2 R0=pkt,umax=65535 R2=pkt R3=pkt_end R4=20 */
+	BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_2, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = REJECT,
+	.errstr = "invalid access to packet",
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+},
+{
+	"Spill and refill a u32 const scalar at non 8byte aligned stack addr.  Offset to skb->data",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+		    offsetof(struct __sk_buff, data)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+		    offsetof(struct __sk_buff, data_end)),
+	/* r4 = 20 */
+	BPF_MOV32_IMM(BPF_REG_4, 20),
+	/* *(u32 *)(r10 -8) = r4 */
+	BPF_STX_MEM(BPF_W, BPF_REG_10, BPF_REG_4, -8),
+	/* *(u32 *)(r10 -4) = r4 */
+	BPF_STX_MEM(BPF_W, BPF_REG_10, BPF_REG_4, -4),
+	/* r4 = *(u32 *)(r10 -4),  */
+	BPF_LDX_MEM(BPF_W, BPF_REG_4, BPF_REG_10, -4),
+	/* r0 = r2 */
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
+	/* r0 += r4 R0=pkt R2=pkt R3=pkt_end R4=umax=U32_MAX */
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_4),
+	/* if (r0 > r3) R0=pkt,umax=U32_MAX R2=pkt R3=pkt_end R4= */
+	BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 1),
+	/* r0 = *(u32 *)r2 R0=pkt,umax=U32_MAX R2=pkt R3=pkt_end R4= */
+	BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_2, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = REJECT,
+	.errstr = "invalid access to packet",
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+},
+{
+	"Spill and refill a umax=40 bounded scalar.  Offset to skb->data",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+		    offsetof(struct __sk_buff, data)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+		    offsetof(struct __sk_buff, data_end)),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_4, BPF_REG_1,
+		    offsetof(struct __sk_buff, tstamp)),
+	BPF_JMP_IMM(BPF_JLE, BPF_REG_4, 40, 2),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	/* *(u32 *)(r10 -8) = r4 R4=umax=40 */
+	BPF_STX_MEM(BPF_W, BPF_REG_10, BPF_REG_4, -8),
+	/* r4 = (*u32 *)(r10 - 8) */
+	BPF_LDX_MEM(BPF_W, BPF_REG_4, BPF_REG_10, -8),
+	/* r2 += r4 R2=pkt R4=umax=40 */
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_2, BPF_REG_4),
+	/* r0 = r2 R2=pkt,umax=40 R4=umax=40 */
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
+	/* r2 += 20 R0=pkt,umax=40 R2=pkt,umax=40 */
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, 20),
+	/* if (r2 > r3) R0=pkt,umax=40 R2=pkt,off=20,umax=40 */
+	BPF_JMP_REG(BPF_JGT, BPF_REG_2, BPF_REG_3, 1),
+	/* r0 = *(u32 *)r0 R0=pkt,r=20,umax=40 R2=pkt,off=20,r=20,umax=40 */
+	BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_0, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+},
+{
+	"Spill a u32 scalar at fp-4 and then at fp-8",
+	.insns = {
+	/* r4 = 4321 */
+	BPF_MOV32_IMM(BPF_REG_4, 4321),
+	/* *(u32 *)(r10 -4) = r4 */
+	BPF_STX_MEM(BPF_W, BPF_REG_10, BPF_REG_4, -4),
+	/* *(u32 *)(r10 -8) = r4 */
+	BPF_STX_MEM(BPF_W, BPF_REG_10, BPF_REG_4, -8),
+	/* r4 = *(u64 *)(r10 -8) */
+	BPF_LDX_MEM(BPF_DW, BPF_REG_4, BPF_REG_10, -8),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+},
diff --git a/tools/testing/selftests/bpf/verifier/spin_lock.c b/tools/testing/selftests/bpf/verifier/spin_lock.c
new file mode 100644
index 000000000..781621fac
--- /dev/null
+++ b/tools/testing/selftests/bpf/verifier/spin_lock.c
@@ -0,0 +1,333 @@
+{
+	"spin_lock: test1 success",
+	.insns = {
+	BPF_ST_MEM(BPF_W, BPF_REG_10, -4, 0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -4),
+	BPF_LD_MAP_FD(BPF_REG_1,
+		      0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
+	BPF_EXIT_INSN(),
+	BPF_MOV64_REG(BPF_REG_6, BPF_REG_0),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 4),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_spin_lock),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 4),
+	BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_6, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_spin_unlock),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_spin_lock = { 3 },
+	.result = ACCEPT,
+	.result_unpriv = REJECT,
+	.errstr_unpriv = "",
+	.prog_type = BPF_PROG_TYPE_CGROUP_SKB,
+},
+{
+	"spin_lock: test2 direct ld/st",
+	.insns = {
+	BPF_ST_MEM(BPF_W, BPF_REG_10, -4, 0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -4),
+	BPF_LD_MAP_FD(BPF_REG_1,
+		      0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
+	BPF_EXIT_INSN(),
+	BPF_MOV64_REG(BPF_REG_6, BPF_REG_0),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 4),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_spin_lock),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 4),
+	BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_spin_unlock),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_spin_lock = { 3 },
+	.result = REJECT,
+	.errstr = "cannot be accessed directly",
+	.result_unpriv = REJECT,
+	.errstr_unpriv = "",
+	.prog_type = BPF_PROG_TYPE_CGROUP_SKB,
+},
+{
+	"spin_lock: test3 direct ld/st",
+	.insns = {
+	BPF_ST_MEM(BPF_W, BPF_REG_10, -4, 0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -4),
+	BPF_LD_MAP_FD(BPF_REG_1,
+		      0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
+	BPF_EXIT_INSN(),
+	BPF_MOV64_REG(BPF_REG_6, BPF_REG_0),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 4),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_spin_lock),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 4),
+	BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_6, 1),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_spin_unlock),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_spin_lock = { 3 },
+	.result = REJECT,
+	.errstr = "cannot be accessed directly",
+	.result_unpriv = REJECT,
+	.errstr_unpriv = "",
+	.prog_type = BPF_PROG_TYPE_CGROUP_SKB,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"spin_lock: test4 direct ld/st",
+	.insns = {
+	BPF_ST_MEM(BPF_W, BPF_REG_10, -4, 0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -4),
+	BPF_LD_MAP_FD(BPF_REG_1,
+		      0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
+	BPF_EXIT_INSN(),
+	BPF_MOV64_REG(BPF_REG_6, BPF_REG_0),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 4),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_spin_lock),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 4),
+	BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_6, 3),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_spin_unlock),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_spin_lock = { 3 },
+	.result = REJECT,
+	.errstr = "cannot be accessed directly",
+	.result_unpriv = REJECT,
+	.errstr_unpriv = "",
+	.prog_type = BPF_PROG_TYPE_CGROUP_SKB,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"spin_lock: test5 call within a locked region",
+	.insns = {
+	BPF_ST_MEM(BPF_W, BPF_REG_10, -4, 0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -4),
+	BPF_LD_MAP_FD(BPF_REG_1,
+		      0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
+	BPF_EXIT_INSN(),
+	BPF_MOV64_REG(BPF_REG_6, BPF_REG_0),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 4),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_spin_lock),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_prandom_u32),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 4),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_spin_unlock),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_spin_lock = { 3 },
+	.result = REJECT,
+	.errstr = "calls are not allowed",
+	.result_unpriv = REJECT,
+	.errstr_unpriv = "",
+	.prog_type = BPF_PROG_TYPE_CGROUP_SKB,
+},
+{
+	"spin_lock: test6 missing unlock",
+	.insns = {
+	BPF_ST_MEM(BPF_W, BPF_REG_10, -4, 0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -4),
+	BPF_LD_MAP_FD(BPF_REG_1,
+		      0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
+	BPF_EXIT_INSN(),
+	BPF_MOV64_REG(BPF_REG_6, BPF_REG_0),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 4),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_spin_lock),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 4),
+	BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_6, 0),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_spin_unlock),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_spin_lock = { 3 },
+	.result = REJECT,
+	.errstr = "unlock is missing",
+	.result_unpriv = REJECT,
+	.errstr_unpriv = "",
+	.prog_type = BPF_PROG_TYPE_CGROUP_SKB,
+},
+{
+	"spin_lock: test7 unlock without lock",
+	.insns = {
+	BPF_ST_MEM(BPF_W, BPF_REG_10, -4, 0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -4),
+	BPF_LD_MAP_FD(BPF_REG_1,
+		      0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
+	BPF_EXIT_INSN(),
+	BPF_MOV64_REG(BPF_REG_6, BPF_REG_0),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 4),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_1, 0, 1),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_spin_lock),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 4),
+	BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_6, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_spin_unlock),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_spin_lock = { 3 },
+	.result = REJECT,
+	.errstr = "without taking a lock",
+	.result_unpriv = REJECT,
+	.errstr_unpriv = "",
+	.prog_type = BPF_PROG_TYPE_CGROUP_SKB,
+},
+{
+	"spin_lock: test8 double lock",
+	.insns = {
+	BPF_ST_MEM(BPF_W, BPF_REG_10, -4, 0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -4),
+	BPF_LD_MAP_FD(BPF_REG_1,
+		      0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
+	BPF_EXIT_INSN(),
+	BPF_MOV64_REG(BPF_REG_6, BPF_REG_0),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 4),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_spin_lock),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 4),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_spin_lock),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 4),
+	BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_6, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_spin_unlock),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_spin_lock = { 3 },
+	.result = REJECT,
+	.errstr = "calls are not allowed",
+	.result_unpriv = REJECT,
+	.errstr_unpriv = "",
+	.prog_type = BPF_PROG_TYPE_CGROUP_SKB,
+},
+{
+	"spin_lock: test9 different lock",
+	.insns = {
+	BPF_ST_MEM(BPF_W, BPF_REG_10, -4, 0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -4),
+	BPF_LD_MAP_FD(BPF_REG_1,
+		      0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
+	BPF_EXIT_INSN(),
+	BPF_MOV64_REG(BPF_REG_6, BPF_REG_0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -4),
+	BPF_LD_MAP_FD(BPF_REG_1,
+		      0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
+	BPF_EXIT_INSN(),
+	BPF_MOV64_REG(BPF_REG_7, BPF_REG_0),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 4),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_spin_lock),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_7),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 4),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_spin_unlock),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_spin_lock = { 3, 11 },
+	.result = REJECT,
+	.errstr = "unlock of different lock",
+	.result_unpriv = REJECT,
+	.errstr_unpriv = "",
+	.prog_type = BPF_PROG_TYPE_CGROUP_SKB,
+},
+{
+	"spin_lock: test10 lock in subprog without unlock",
+	.insns = {
+	BPF_ST_MEM(BPF_W, BPF_REG_10, -4, 0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -4),
+	BPF_LD_MAP_FD(BPF_REG_1,
+		      0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
+	BPF_EXIT_INSN(),
+	BPF_MOV64_REG(BPF_REG_6, BPF_REG_0),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 4),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 5),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 4),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_spin_unlock),
+	BPF_MOV64_IMM(BPF_REG_0, 1),
+	BPF_EXIT_INSN(),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_spin_lock),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_spin_lock = { 3 },
+	.result = REJECT,
+	.errstr = "unlock is missing",
+	.result_unpriv = REJECT,
+	.errstr_unpriv = "",
+	.prog_type = BPF_PROG_TYPE_CGROUP_SKB,
+},
+{
+	"spin_lock: test11 ld_abs under lock",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
+	BPF_ST_MEM(BPF_W, BPF_REG_10, -4, 0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -4),
+	BPF_LD_MAP_FD(BPF_REG_1,
+		      0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
+	BPF_EXIT_INSN(),
+	BPF_MOV64_REG(BPF_REG_7, BPF_REG_0),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 4),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_spin_lock),
+	BPF_LD_ABS(BPF_B, 0),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_7),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 4),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_spin_unlock),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_spin_lock = { 4 },
+	.result = REJECT,
+	.errstr = "inside bpf_spin_lock",
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+},
diff --git a/tools/testing/selftests/bpf/verifier/stack_ptr.c b/tools/testing/selftests/bpf/verifier/stack_ptr.c
new file mode 100644
index 000000000..8ab94d65f
--- /dev/null
+++ b/tools/testing/selftests/bpf/verifier/stack_ptr.c
@@ -0,0 +1,359 @@
+{
+	"PTR_TO_STACK store/load",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -10),
+	BPF_ST_MEM(BPF_DW, BPF_REG_1, 2, 0xfaceb00c),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, 2),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.retval = 0xfaceb00c,
+},
+{
+	"PTR_TO_STACK store/load - bad alignment on off",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -8),
+	BPF_ST_MEM(BPF_DW, BPF_REG_1, 2, 0xfaceb00c),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, 2),
+	BPF_EXIT_INSN(),
+	},
+	.result = REJECT,
+	.errstr = "misaligned stack access off (0x0; 0x0)+-8+2 size 8",
+},
+{
+	"PTR_TO_STACK store/load - bad alignment on reg",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -10),
+	BPF_ST_MEM(BPF_DW, BPF_REG_1, 8, 0xfaceb00c),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, 8),
+	BPF_EXIT_INSN(),
+	},
+	.result = REJECT,
+	.errstr = "misaligned stack access off (0x0; 0x0)+-10+8 size 8",
+},
+{
+	"PTR_TO_STACK store/load - out of bounds low",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -80000),
+	BPF_ST_MEM(BPF_DW, BPF_REG_1, 8, 0xfaceb00c),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, 8),
+	BPF_EXIT_INSN(),
+	},
+	.result = REJECT,
+	.errstr = "invalid write to stack R1 off=-79992 size=8",
+	.errstr_unpriv = "R1 stack pointer arithmetic goes out of range",
+},
+{
+	"PTR_TO_STACK store/load - out of bounds high",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -8),
+	BPF_ST_MEM(BPF_DW, BPF_REG_1, 8, 0xfaceb00c),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, 8),
+	BPF_EXIT_INSN(),
+	},
+	.result = REJECT,
+	.errstr = "invalid write to stack R1 off=0 size=8",
+},
+{
+	"PTR_TO_STACK check high 1",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -1),
+	BPF_ST_MEM(BPF_B, BPF_REG_1, 0, 42),
+	BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.retval = 42,
+},
+{
+	"PTR_TO_STACK check high 2",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
+	BPF_ST_MEM(BPF_B, BPF_REG_1, -1, 42),
+	BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1, -1),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.retval = 42,
+},
+{
+	"PTR_TO_STACK check high 3",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 0),
+	BPF_ST_MEM(BPF_B, BPF_REG_1, -1, 42),
+	BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1, -1),
+	BPF_EXIT_INSN(),
+	},
+	.errstr_unpriv = "R1 stack pointer arithmetic goes out of range",
+	.result_unpriv = REJECT,
+	.result = ACCEPT,
+	.retval = 42,
+},
+{
+	"PTR_TO_STACK check high 4",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 0),
+	BPF_ST_MEM(BPF_B, BPF_REG_1, 0, 42),
+	BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1, 0),
+	BPF_EXIT_INSN(),
+	},
+	.errstr_unpriv = "R1 stack pointer arithmetic goes out of range",
+	.errstr = "invalid write to stack R1 off=0 size=1",
+	.result = REJECT,
+},
+{
+	"PTR_TO_STACK check high 5",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, (1 << 29) - 1),
+	BPF_ST_MEM(BPF_B, BPF_REG_1, 0, 42),
+	BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = REJECT,
+	.errstr_unpriv = "R1 stack pointer arithmetic goes out of range",
+	.errstr = "invalid write to stack R1",
+},
+{
+	"PTR_TO_STACK check high 6",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, (1 << 29) - 1),
+	BPF_ST_MEM(BPF_B, BPF_REG_1, SHRT_MAX, 42),
+	BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1, SHRT_MAX),
+	BPF_EXIT_INSN(),
+	},
+	.result = REJECT,
+	.errstr_unpriv = "R1 stack pointer arithmetic goes out of range",
+	.errstr = "invalid write to stack",
+},
+{
+	"PTR_TO_STACK check high 7",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, (1 << 29) - 1),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, (1 << 29) - 1),
+	BPF_ST_MEM(BPF_B, BPF_REG_1, SHRT_MAX, 42),
+	BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1, SHRT_MAX),
+	BPF_EXIT_INSN(),
+	},
+	.result = REJECT,
+	.errstr_unpriv = "R1 stack pointer arithmetic goes out of range",
+	.errstr = "fp pointer offset",
+},
+{
+	"PTR_TO_STACK check low 1",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -512),
+	BPF_ST_MEM(BPF_B, BPF_REG_1, 0, 42),
+	BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.retval = 42,
+},
+{
+	"PTR_TO_STACK check low 2",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -513),
+	BPF_ST_MEM(BPF_B, BPF_REG_1, 1, 42),
+	BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1, 1),
+	BPF_EXIT_INSN(),
+	},
+	.result_unpriv = REJECT,
+	.errstr_unpriv = "R1 stack pointer arithmetic goes out of range",
+	.result = ACCEPT,
+	.retval = 42,
+},
+{
+	"PTR_TO_STACK check low 3",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -513),
+	BPF_ST_MEM(BPF_B, BPF_REG_1, 0, 42),
+	BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1, 0),
+	BPF_EXIT_INSN(),
+	},
+	.errstr_unpriv = "R1 stack pointer arithmetic goes out of range",
+	.errstr = "invalid write to stack R1 off=-513 size=1",
+	.result = REJECT,
+},
+{
+	"PTR_TO_STACK check low 4",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, INT_MIN),
+	BPF_ST_MEM(BPF_B, BPF_REG_1, 0, 42),
+	BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = REJECT,
+	.errstr = "math between fp pointer",
+},
+{
+	"PTR_TO_STACK check low 5",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -((1 << 29) - 1)),
+	BPF_ST_MEM(BPF_B, BPF_REG_1, 0, 42),
+	BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = REJECT,
+	.errstr_unpriv = "R1 stack pointer arithmetic goes out of range",
+	.errstr = "invalid write to stack",
+},
+{
+	"PTR_TO_STACK check low 6",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -((1 << 29) - 1)),
+	BPF_ST_MEM(BPF_B, BPF_REG_1, SHRT_MIN, 42),
+	BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1, SHRT_MIN),
+	BPF_EXIT_INSN(),
+	},
+	.result = REJECT,
+	.errstr = "invalid write to stack",
+	.errstr_unpriv = "R1 stack pointer arithmetic goes out of range",
+},
+{
+	"PTR_TO_STACK check low 7",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -((1 << 29) - 1)),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -((1 << 29) - 1)),
+	BPF_ST_MEM(BPF_B, BPF_REG_1, SHRT_MIN, 42),
+	BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1, SHRT_MIN),
+	BPF_EXIT_INSN(),
+	},
+	.result = REJECT,
+	.errstr_unpriv = "R1 stack pointer arithmetic goes out of range",
+	.errstr = "fp pointer offset",
+},
+{
+	"PTR_TO_STACK mixed reg/k, 1",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -3),
+	BPF_MOV64_IMM(BPF_REG_2, -3),
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_2),
+	BPF_ST_MEM(BPF_B, BPF_REG_1, 0, 42),
+	BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.retval = 42,
+},
+{
+	"PTR_TO_STACK mixed reg/k, 2",
+	.insns = {
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -16, 0),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -3),
+	BPF_MOV64_IMM(BPF_REG_2, -3),
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_2),
+	BPF_ST_MEM(BPF_B, BPF_REG_1, 0, 42),
+	BPF_MOV64_REG(BPF_REG_5, BPF_REG_10),
+	BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_5, -6),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.retval = 42,
+},
+{
+	"PTR_TO_STACK mixed reg/k, 3",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -3),
+	BPF_MOV64_IMM(BPF_REG_2, -3),
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_2),
+	BPF_ST_MEM(BPF_B, BPF_REG_1, 0, 42),
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.retval = -3,
+},
+{
+	"PTR_TO_STACK reg",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
+	BPF_MOV64_IMM(BPF_REG_2, -3),
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_2),
+	BPF_ST_MEM(BPF_B, BPF_REG_1, 0, 42),
+	BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.retval = 42,
+},
+{
+	"stack pointer arithmetic",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_1, 4),
+	BPF_JMP_IMM(BPF_JA, 0, 0, 0),
+	BPF_MOV64_REG(BPF_REG_7, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_7, -10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_7, -10),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_7),
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_2, BPF_REG_1),
+	BPF_ST_MEM(0, BPF_REG_2, 4, 0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_7),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, 8),
+	BPF_ST_MEM(0, BPF_REG_2, 4, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+},
+{
+	"store PTR_TO_STACK in R10 to array map using BPF_B",
+	.insns = {
+	/* Load pointer to map. */
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 2),
+	BPF_MOV64_IMM(BPF_REG_0, 2),
+	BPF_EXIT_INSN(),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+	/* Copy R10 to R9. */
+	BPF_MOV64_REG(BPF_REG_9, BPF_REG_10),
+	/* Pollute other registers with unaligned values. */
+	BPF_MOV64_IMM(BPF_REG_2, -1),
+	BPF_MOV64_IMM(BPF_REG_3, -1),
+	BPF_MOV64_IMM(BPF_REG_4, -1),
+	BPF_MOV64_IMM(BPF_REG_5, -1),
+	BPF_MOV64_IMM(BPF_REG_6, -1),
+	BPF_MOV64_IMM(BPF_REG_7, -1),
+	BPF_MOV64_IMM(BPF_REG_8, -1),
+	/* Store both R9 and R10 with BPF_B and read back. */
+	BPF_STX_MEM(BPF_B, BPF_REG_1, BPF_REG_10, 0),
+	BPF_LDX_MEM(BPF_B, BPF_REG_2, BPF_REG_1, 0),
+	BPF_STX_MEM(BPF_B, BPF_REG_1, BPF_REG_9, 0),
+	BPF_LDX_MEM(BPF_B, BPF_REG_3, BPF_REG_1, 0),
+	/* Should read back as same value. */
+	BPF_JMP_REG(BPF_JEQ, BPF_REG_2, BPF_REG_3, 2),
+	BPF_MOV64_IMM(BPF_REG_0, 1),
+	BPF_EXIT_INSN(),
+	BPF_MOV64_IMM(BPF_REG_0, 42),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_array_48b = { 3 },
+	.result = ACCEPT,
+	.retval = 42,
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+},
diff --git a/tools/testing/selftests/bpf/verifier/subreg.c b/tools/testing/selftests/bpf/verifier/subreg.c
new file mode 100644
index 000000000..4c4133c80
--- /dev/null
+++ b/tools/testing/selftests/bpf/verifier/subreg.c
@@ -0,0 +1,533 @@
+/* This file contains sub-register zero extension checks for insns defining
+ * sub-registers, meaning:
+ *   - All insns under BPF_ALU class. Their BPF_ALU32 variants or narrow width
+ *     forms (BPF_END) could define sub-registers.
+ *   - Narrow direct loads, BPF_B/H/W | BPF_LDX.
+ *   - BPF_LD is not exposed to JIT back-ends, so no need for testing.
+ *
+ * "get_prandom_u32" is used to initialize low 32-bit of some registers to
+ * prevent potential optimizations done by verifier or JIT back-ends which could
+ * optimize register back into constant when range info shows one register is a
+ * constant.
+ */
+{
+	"add32 reg zero extend check",
+	.insns = {
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_prandom_u32),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+	BPF_LD_IMM64(BPF_REG_0, 0x100000000ULL),
+	BPF_ALU32_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
+	BPF_ALU64_IMM(BPF_RSH, BPF_REG_0, 32),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.retval = 0,
+},
+{
+	"add32 imm zero extend check",
+	.insns = {
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_prandom_u32),
+	BPF_LD_IMM64(BPF_REG_1, 0x1000000000ULL),
+	BPF_ALU64_REG(BPF_OR, BPF_REG_0, BPF_REG_1),
+	/* An insn could have no effect on the low 32-bit, for example:
+	 *   a = a + 0
+	 *   a = a | 0
+	 *   a = a & -1
+	 * But, they should still zero high 32-bit.
+	 */
+	BPF_ALU32_IMM(BPF_ADD, BPF_REG_0, 0),
+	BPF_ALU64_IMM(BPF_RSH, BPF_REG_0, 32),
+	BPF_MOV64_REG(BPF_REG_6, BPF_REG_0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_prandom_u32),
+	BPF_LD_IMM64(BPF_REG_1, 0x1000000000ULL),
+	BPF_ALU64_REG(BPF_OR, BPF_REG_0, BPF_REG_1),
+	BPF_ALU32_IMM(BPF_ADD, BPF_REG_0, -2),
+	BPF_ALU64_IMM(BPF_RSH, BPF_REG_0, 32),
+	BPF_ALU64_REG(BPF_OR, BPF_REG_0, BPF_REG_6),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.retval = 0,
+},
+{
+	"sub32 reg zero extend check",
+	.insns = {
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_prandom_u32),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+	BPF_LD_IMM64(BPF_REG_0, 0x1ffffffffULL),
+	BPF_ALU32_REG(BPF_SUB, BPF_REG_0, BPF_REG_1),
+	BPF_ALU64_IMM(BPF_RSH, BPF_REG_0, 32),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.retval = 0,
+},
+{
+	"sub32 imm zero extend check",
+	.insns = {
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_prandom_u32),
+	BPF_LD_IMM64(BPF_REG_1, 0x1000000000ULL),
+	BPF_ALU64_REG(BPF_OR, BPF_REG_0, BPF_REG_1),
+	BPF_ALU32_IMM(BPF_SUB, BPF_REG_0, 0),
+	BPF_ALU64_IMM(BPF_RSH, BPF_REG_0, 32),
+	BPF_MOV64_REG(BPF_REG_6, BPF_REG_0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_prandom_u32),
+	BPF_LD_IMM64(BPF_REG_1, 0x1000000000ULL),
+	BPF_ALU64_REG(BPF_OR, BPF_REG_0, BPF_REG_1),
+	BPF_ALU32_IMM(BPF_SUB, BPF_REG_0, 1),
+	BPF_ALU64_IMM(BPF_RSH, BPF_REG_0, 32),
+	BPF_ALU64_REG(BPF_OR, BPF_REG_0, BPF_REG_6),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.retval = 0,
+},
+{
+	"mul32 reg zero extend check",
+	.insns = {
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_prandom_u32),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+	BPF_LD_IMM64(BPF_REG_0, 0x100000001ULL),
+	BPF_ALU32_REG(BPF_MUL, BPF_REG_0, BPF_REG_1),
+	BPF_ALU64_IMM(BPF_RSH, BPF_REG_0, 32),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.retval = 0,
+},
+{
+	"mul32 imm zero extend check",
+	.insns = {
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_prandom_u32),
+	BPF_LD_IMM64(BPF_REG_1, 0x1000000000ULL),
+	BPF_ALU64_REG(BPF_OR, BPF_REG_0, BPF_REG_1),
+	BPF_ALU32_IMM(BPF_MUL, BPF_REG_0, 1),
+	BPF_ALU64_IMM(BPF_RSH, BPF_REG_0, 32),
+	BPF_MOV64_REG(BPF_REG_6, BPF_REG_0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_prandom_u32),
+	BPF_LD_IMM64(BPF_REG_1, 0x1000000000ULL),
+	BPF_ALU64_REG(BPF_OR, BPF_REG_0, BPF_REG_1),
+	BPF_ALU32_IMM(BPF_MUL, BPF_REG_0, -1),
+	BPF_ALU64_IMM(BPF_RSH, BPF_REG_0, 32),
+	BPF_ALU64_REG(BPF_OR, BPF_REG_0, BPF_REG_6),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.retval = 0,
+},
+{
+	"div32 reg zero extend check",
+	.insns = {
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_prandom_u32),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+	BPF_MOV64_IMM(BPF_REG_0, -1),
+	BPF_ALU32_REG(BPF_DIV, BPF_REG_0, BPF_REG_1),
+	BPF_ALU64_IMM(BPF_RSH, BPF_REG_0, 32),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.retval = 0,
+},
+{
+	"div32 imm zero extend check",
+	.insns = {
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_prandom_u32),
+	BPF_LD_IMM64(BPF_REG_1, 0x1000000000ULL),
+	BPF_ALU64_REG(BPF_OR, BPF_REG_0, BPF_REG_1),
+	BPF_ALU32_IMM(BPF_DIV, BPF_REG_0, 1),
+	BPF_ALU64_IMM(BPF_RSH, BPF_REG_0, 32),
+	BPF_MOV64_REG(BPF_REG_6, BPF_REG_0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_prandom_u32),
+	BPF_LD_IMM64(BPF_REG_1, 0x1000000000ULL),
+	BPF_ALU64_REG(BPF_OR, BPF_REG_0, BPF_REG_1),
+	BPF_ALU32_IMM(BPF_DIV, BPF_REG_0, 2),
+	BPF_ALU64_IMM(BPF_RSH, BPF_REG_0, 32),
+	BPF_ALU64_REG(BPF_OR, BPF_REG_0, BPF_REG_6),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.retval = 0,
+},
+{
+	"or32 reg zero extend check",
+	.insns = {
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_prandom_u32),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+	BPF_LD_IMM64(BPF_REG_0, 0x100000001ULL),
+	BPF_ALU32_REG(BPF_OR, BPF_REG_0, BPF_REG_1),
+	BPF_ALU64_IMM(BPF_RSH, BPF_REG_0, 32),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.retval = 0,
+},
+{
+	"or32 imm zero extend check",
+	.insns = {
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_prandom_u32),
+	BPF_LD_IMM64(BPF_REG_1, 0x1000000000ULL),
+	BPF_ALU64_REG(BPF_OR, BPF_REG_0, BPF_REG_1),
+	BPF_ALU32_IMM(BPF_OR, BPF_REG_0, 0),
+	BPF_ALU64_IMM(BPF_RSH, BPF_REG_0, 32),
+	BPF_MOV64_REG(BPF_REG_6, BPF_REG_0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_prandom_u32),
+	BPF_LD_IMM64(BPF_REG_1, 0x1000000000ULL),
+	BPF_ALU64_REG(BPF_OR, BPF_REG_0, BPF_REG_1),
+	BPF_ALU32_IMM(BPF_OR, BPF_REG_0, 1),
+	BPF_ALU64_IMM(BPF_RSH, BPF_REG_0, 32),
+	BPF_ALU64_REG(BPF_OR, BPF_REG_0, BPF_REG_6),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.retval = 0,
+},
+{
+	"and32 reg zero extend check",
+	.insns = {
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_prandom_u32),
+	BPF_LD_IMM64(BPF_REG_1, 0x100000000ULL),
+	BPF_ALU64_REG(BPF_OR, BPF_REG_1, BPF_REG_0),
+	BPF_LD_IMM64(BPF_REG_0, 0x1ffffffffULL),
+	BPF_ALU32_REG(BPF_AND, BPF_REG_0, BPF_REG_1),
+	BPF_ALU64_IMM(BPF_RSH, BPF_REG_0, 32),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.retval = 0,
+},
+{
+	"and32 imm zero extend check",
+	.insns = {
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_prandom_u32),
+	BPF_LD_IMM64(BPF_REG_1, 0x1000000000ULL),
+	BPF_ALU64_REG(BPF_OR, BPF_REG_0, BPF_REG_1),
+	BPF_ALU32_IMM(BPF_AND, BPF_REG_0, -1),
+	BPF_ALU64_IMM(BPF_RSH, BPF_REG_0, 32),
+	BPF_MOV64_REG(BPF_REG_6, BPF_REG_0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_prandom_u32),
+	BPF_LD_IMM64(BPF_REG_1, 0x1000000000ULL),
+	BPF_ALU64_REG(BPF_OR, BPF_REG_0, BPF_REG_1),
+	BPF_ALU32_IMM(BPF_AND, BPF_REG_0, -2),
+	BPF_ALU64_IMM(BPF_RSH, BPF_REG_0, 32),
+	BPF_ALU64_REG(BPF_OR, BPF_REG_0, BPF_REG_6),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.retval = 0,
+},
+{
+	"lsh32 reg zero extend check",
+	.insns = {
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_prandom_u32),
+	BPF_LD_IMM64(BPF_REG_1, 0x100000000ULL),
+	BPF_ALU64_REG(BPF_OR, BPF_REG_0, BPF_REG_1),
+	BPF_MOV64_IMM(BPF_REG_1, 1),
+	BPF_ALU32_REG(BPF_LSH, BPF_REG_0, BPF_REG_1),
+	BPF_ALU64_IMM(BPF_RSH, BPF_REG_0, 32),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.retval = 0,
+},
+{
+	"lsh32 imm zero extend check",
+	.insns = {
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_prandom_u32),
+	BPF_LD_IMM64(BPF_REG_1, 0x1000000000ULL),
+	BPF_ALU64_REG(BPF_OR, BPF_REG_0, BPF_REG_1),
+	BPF_ALU32_IMM(BPF_LSH, BPF_REG_0, 0),
+	BPF_ALU64_IMM(BPF_RSH, BPF_REG_0, 32),
+	BPF_MOV64_REG(BPF_REG_6, BPF_REG_0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_prandom_u32),
+	BPF_LD_IMM64(BPF_REG_1, 0x1000000000ULL),
+	BPF_ALU64_REG(BPF_OR, BPF_REG_0, BPF_REG_1),
+	BPF_ALU32_IMM(BPF_LSH, BPF_REG_0, 1),
+	BPF_ALU64_IMM(BPF_RSH, BPF_REG_0, 32),
+	BPF_ALU64_REG(BPF_OR, BPF_REG_0, BPF_REG_6),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.retval = 0,
+},
+{
+	"rsh32 reg zero extend check",
+	.insns = {
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_prandom_u32),
+	BPF_LD_IMM64(BPF_REG_1, 0x1000000000ULL),
+	BPF_ALU64_REG(BPF_OR, BPF_REG_0, BPF_REG_1),
+	BPF_MOV64_IMM(BPF_REG_1, 1),
+	BPF_ALU32_REG(BPF_RSH, BPF_REG_0, BPF_REG_1),
+	BPF_ALU64_IMM(BPF_RSH, BPF_REG_0, 32),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.retval = 0,
+},
+{
+	"rsh32 imm zero extend check",
+	.insns = {
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_prandom_u32),
+	BPF_LD_IMM64(BPF_REG_1, 0x1000000000ULL),
+	BPF_ALU64_REG(BPF_OR, BPF_REG_0, BPF_REG_1),
+	BPF_ALU32_IMM(BPF_RSH, BPF_REG_0, 0),
+	BPF_ALU64_IMM(BPF_RSH, BPF_REG_0, 32),
+	BPF_MOV64_REG(BPF_REG_6, BPF_REG_0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_prandom_u32),
+	BPF_LD_IMM64(BPF_REG_1, 0x1000000000ULL),
+	BPF_ALU64_REG(BPF_OR, BPF_REG_0, BPF_REG_1),
+	BPF_ALU32_IMM(BPF_RSH, BPF_REG_0, 1),
+	BPF_ALU64_IMM(BPF_RSH, BPF_REG_0, 32),
+	BPF_ALU64_REG(BPF_OR, BPF_REG_0, BPF_REG_6),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.retval = 0,
+},
+{
+	"neg32 reg zero extend check",
+	.insns = {
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_prandom_u32),
+	BPF_LD_IMM64(BPF_REG_1, 0x1000000000ULL),
+	BPF_ALU64_REG(BPF_OR, BPF_REG_0, BPF_REG_1),
+	BPF_ALU32_IMM(BPF_NEG, BPF_REG_0, 0),
+	BPF_ALU64_IMM(BPF_RSH, BPF_REG_0, 32),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.retval = 0,
+},
+{
+	"mod32 reg zero extend check",
+	.insns = {
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_prandom_u32),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+	BPF_MOV64_IMM(BPF_REG_0, -1),
+	BPF_ALU32_REG(BPF_MOD, BPF_REG_0, BPF_REG_1),
+	BPF_ALU64_IMM(BPF_RSH, BPF_REG_0, 32),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.retval = 0,
+},
+{
+	"mod32 imm zero extend check",
+	.insns = {
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_prandom_u32),
+	BPF_LD_IMM64(BPF_REG_1, 0x1000000000ULL),
+	BPF_ALU64_REG(BPF_OR, BPF_REG_0, BPF_REG_1),
+	BPF_ALU32_IMM(BPF_MOD, BPF_REG_0, 1),
+	BPF_ALU64_IMM(BPF_RSH, BPF_REG_0, 32),
+	BPF_MOV64_REG(BPF_REG_6, BPF_REG_0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_prandom_u32),
+	BPF_LD_IMM64(BPF_REG_1, 0x1000000000ULL),
+	BPF_ALU64_REG(BPF_OR, BPF_REG_0, BPF_REG_1),
+	BPF_ALU32_IMM(BPF_MOD, BPF_REG_0, 2),
+	BPF_ALU64_IMM(BPF_RSH, BPF_REG_0, 32),
+	BPF_ALU64_REG(BPF_OR, BPF_REG_0, BPF_REG_6),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.retval = 0,
+},
+{
+	"xor32 reg zero extend check",
+	.insns = {
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_prandom_u32),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+	BPF_LD_IMM64(BPF_REG_0, 0x100000000ULL),
+	BPF_ALU32_REG(BPF_XOR, BPF_REG_0, BPF_REG_1),
+	BPF_ALU64_IMM(BPF_RSH, BPF_REG_0, 32),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.retval = 0,
+},
+{
+	"xor32 imm zero extend check",
+	.insns = {
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_prandom_u32),
+	BPF_LD_IMM64(BPF_REG_1, 0x1000000000ULL),
+	BPF_ALU64_REG(BPF_OR, BPF_REG_0, BPF_REG_1),
+	BPF_ALU32_IMM(BPF_XOR, BPF_REG_0, 1),
+	BPF_ALU64_IMM(BPF_RSH, BPF_REG_0, 32),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.retval = 0,
+},
+{
+	"mov32 reg zero extend check",
+	.insns = {
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_prandom_u32),
+	BPF_LD_IMM64(BPF_REG_1, 0x100000000ULL),
+	BPF_ALU64_REG(BPF_OR, BPF_REG_1, BPF_REG_0),
+	BPF_LD_IMM64(BPF_REG_0, 0x100000000ULL),
+	BPF_MOV32_REG(BPF_REG_0, BPF_REG_1),
+	BPF_ALU64_IMM(BPF_RSH, BPF_REG_0, 32),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.retval = 0,
+},
+{
+	"mov32 imm zero extend check",
+	.insns = {
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_prandom_u32),
+	BPF_LD_IMM64(BPF_REG_1, 0x1000000000ULL),
+	BPF_ALU64_REG(BPF_OR, BPF_REG_0, BPF_REG_1),
+	BPF_MOV32_IMM(BPF_REG_0, 0),
+	BPF_ALU64_IMM(BPF_RSH, BPF_REG_0, 32),
+	BPF_MOV64_REG(BPF_REG_6, BPF_REG_0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_prandom_u32),
+	BPF_LD_IMM64(BPF_REG_1, 0x1000000000ULL),
+	BPF_ALU64_REG(BPF_OR, BPF_REG_0, BPF_REG_1),
+	BPF_MOV32_IMM(BPF_REG_0, 1),
+	BPF_ALU64_IMM(BPF_RSH, BPF_REG_0, 32),
+	BPF_ALU64_REG(BPF_OR, BPF_REG_0, BPF_REG_6),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.retval = 0,
+},
+{
+	"arsh32 reg zero extend check",
+	.insns = {
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_prandom_u32),
+	BPF_LD_IMM64(BPF_REG_1, 0x1000000000ULL),
+	BPF_ALU64_REG(BPF_OR, BPF_REG_0, BPF_REG_1),
+	BPF_MOV64_IMM(BPF_REG_1, 1),
+	BPF_ALU32_REG(BPF_ARSH, BPF_REG_0, BPF_REG_1),
+	BPF_ALU64_IMM(BPF_RSH, BPF_REG_0, 32),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.retval = 0,
+},
+{
+	"arsh32 imm zero extend check",
+	.insns = {
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_prandom_u32),
+	BPF_LD_IMM64(BPF_REG_1, 0x1000000000ULL),
+	BPF_ALU64_REG(BPF_OR, BPF_REG_0, BPF_REG_1),
+	BPF_ALU32_IMM(BPF_ARSH, BPF_REG_0, 0),
+	BPF_ALU64_IMM(BPF_RSH, BPF_REG_0, 32),
+	BPF_MOV64_REG(BPF_REG_6, BPF_REG_0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_prandom_u32),
+	BPF_LD_IMM64(BPF_REG_1, 0x1000000000ULL),
+	BPF_ALU64_REG(BPF_OR, BPF_REG_0, BPF_REG_1),
+	BPF_ALU32_IMM(BPF_ARSH, BPF_REG_0, 1),
+	BPF_ALU64_IMM(BPF_RSH, BPF_REG_0, 32),
+	BPF_ALU64_REG(BPF_OR, BPF_REG_0, BPF_REG_6),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.retval = 0,
+},
+{
+	"end16 (to_le) reg zero extend check",
+	.insns = {
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_prandom_u32),
+	BPF_MOV64_REG(BPF_REG_6, BPF_REG_0),
+	BPF_ALU64_IMM(BPF_LSH, BPF_REG_6, 32),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_prandom_u32),
+	BPF_ALU64_REG(BPF_OR, BPF_REG_0, BPF_REG_6),
+	BPF_ENDIAN(BPF_TO_LE, BPF_REG_0, 16),
+	BPF_ALU64_IMM(BPF_RSH, BPF_REG_0, 32),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.retval = 0,
+},
+{
+	"end32 (to_le) reg zero extend check",
+	.insns = {
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_prandom_u32),
+	BPF_MOV64_REG(BPF_REG_6, BPF_REG_0),
+	BPF_ALU64_IMM(BPF_LSH, BPF_REG_6, 32),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_prandom_u32),
+	BPF_ALU64_REG(BPF_OR, BPF_REG_0, BPF_REG_6),
+	BPF_ENDIAN(BPF_TO_LE, BPF_REG_0, 32),
+	BPF_ALU64_IMM(BPF_RSH, BPF_REG_0, 32),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.retval = 0,
+},
+{
+	"end16 (to_be) reg zero extend check",
+	.insns = {
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_prandom_u32),
+	BPF_MOV64_REG(BPF_REG_6, BPF_REG_0),
+	BPF_ALU64_IMM(BPF_LSH, BPF_REG_6, 32),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_prandom_u32),
+	BPF_ALU64_REG(BPF_OR, BPF_REG_0, BPF_REG_6),
+	BPF_ENDIAN(BPF_TO_BE, BPF_REG_0, 16),
+	BPF_ALU64_IMM(BPF_RSH, BPF_REG_0, 32),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.retval = 0,
+},
+{
+	"end32 (to_be) reg zero extend check",
+	.insns = {
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_prandom_u32),
+	BPF_MOV64_REG(BPF_REG_6, BPF_REG_0),
+	BPF_ALU64_IMM(BPF_LSH, BPF_REG_6, 32),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_prandom_u32),
+	BPF_ALU64_REG(BPF_OR, BPF_REG_0, BPF_REG_6),
+	BPF_ENDIAN(BPF_TO_BE, BPF_REG_0, 32),
+	BPF_ALU64_IMM(BPF_RSH, BPF_REG_0, 32),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.retval = 0,
+},
+{
+	"ldx_b zero extend check",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_6, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, -4),
+	BPF_ST_MEM(BPF_W, BPF_REG_6, 0, 0xfaceb00c),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_prandom_u32),
+	BPF_LD_IMM64(BPF_REG_1, 0x1000000000ULL),
+	BPF_ALU64_REG(BPF_OR, BPF_REG_0, BPF_REG_1),
+	BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_6, 0),
+	BPF_ALU64_IMM(BPF_RSH, BPF_REG_0, 32),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.retval = 0,
+},
+{
+	"ldx_h zero extend check",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_6, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, -4),
+	BPF_ST_MEM(BPF_W, BPF_REG_6, 0, 0xfaceb00c),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_prandom_u32),
+	BPF_LD_IMM64(BPF_REG_1, 0x1000000000ULL),
+	BPF_ALU64_REG(BPF_OR, BPF_REG_0, BPF_REG_1),
+	BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_6, 0),
+	BPF_ALU64_IMM(BPF_RSH, BPF_REG_0, 32),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.retval = 0,
+},
+{
+	"ldx_w zero extend check",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_6, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, -4),
+	BPF_ST_MEM(BPF_W, BPF_REG_6, 0, 0xfaceb00c),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_prandom_u32),
+	BPF_LD_IMM64(BPF_REG_1, 0x1000000000ULL),
+	BPF_ALU64_REG(BPF_OR, BPF_REG_0, BPF_REG_1),
+	BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_6, 0),
+	BPF_ALU64_IMM(BPF_RSH, BPF_REG_0, 32),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.retval = 0,
+},
diff --git a/tools/testing/selftests/bpf/verifier/uninit.c b/tools/testing/selftests/bpf/verifier/uninit.c
new file mode 100644
index 000000000..987a5871f
--- /dev/null
+++ b/tools/testing/selftests/bpf/verifier/uninit.c
@@ -0,0 +1,39 @@
+{
+	"read uninitialized register",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "R2 !read_ok",
+	.result = REJECT,
+},
+{
+	"read invalid register",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_0, -1),
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "R15 is invalid",
+	.result = REJECT,
+},
+{
+	"program doesn't init R0 before exit",
+	.insns = {
+	BPF_ALU64_REG(BPF_MOV, BPF_REG_2, BPF_REG_1),
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "R0 !read_ok",
+	.result = REJECT,
+},
+{
+	"program doesn't init R0 before exit in all branches",
+	.insns = {
+	BPF_JMP_IMM(BPF_JGE, BPF_REG_1, 0, 2),
+	BPF_MOV64_IMM(BPF_REG_0, 1),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 2),
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "R0 !read_ok",
+	.errstr_unpriv = "R1 pointer comparison",
+	.result = REJECT,
+},
diff --git a/tools/testing/selftests/bpf/verifier/unpriv.c b/tools/testing/selftests/bpf/verifier/unpriv.c
new file mode 100644
index 000000000..878ca26c3
--- /dev/null
+++ b/tools/testing/selftests/bpf/verifier/unpriv.c
@@ -0,0 +1,539 @@
+{
+	"unpriv: return pointer",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_10),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.result_unpriv = REJECT,
+	.errstr_unpriv = "R0 leaks addr",
+	.retval = POINTER_VALUE,
+},
+{
+	"unpriv: add const to pointer",
+	.insns = {
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+},
+{
+	"unpriv: add pointer to pointer",
+	.insns = {
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_10),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = REJECT,
+	.errstr = "R1 pointer += pointer",
+},
+{
+	"unpriv: neg pointer",
+	.insns = {
+	BPF_ALU64_IMM(BPF_NEG, BPF_REG_1, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.result_unpriv = REJECT,
+	.errstr_unpriv = "R1 pointer arithmetic",
+},
+{
+	"unpriv: cmp pointer with const",
+	.insns = {
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 0, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.result_unpriv = REJECT,
+	.errstr_unpriv = "R1 pointer comparison",
+},
+{
+	"unpriv: cmp pointer with pointer",
+	.insns = {
+	BPF_JMP_REG(BPF_JEQ, BPF_REG_1, BPF_REG_10, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.result_unpriv = REJECT,
+	.errstr_unpriv = "R10 pointer comparison",
+},
+{
+	"unpriv: check that printk is disallowed",
+	.insns = {
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -8),
+	BPF_MOV64_IMM(BPF_REG_2, 8),
+	BPF_MOV64_REG(BPF_REG_3, BPF_REG_1),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_trace_printk),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.errstr_unpriv = "unknown func bpf_trace_printk#6",
+	.result_unpriv = REJECT,
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_TRACEPOINT,
+},
+{
+	"unpriv: pass pointer to helper function",
+	.insns = {
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_MOV64_REG(BPF_REG_3, BPF_REG_2),
+	BPF_MOV64_REG(BPF_REG_4, BPF_REG_2),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_update_elem),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_8b = { 3 },
+	.errstr_unpriv = "R4 leaks addr",
+	.result_unpriv = REJECT,
+	.result = ACCEPT,
+},
+{
+	"unpriv: indirectly pass pointer on stack to helper function",
+	.insns = {
+	BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_10, -8),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_8b = { 3 },
+	.errstr_unpriv = "invalid indirect read from stack R2 off -8+0 size 8",
+	.result_unpriv = REJECT,
+	.result = ACCEPT,
+},
+{
+	"unpriv: mangle pointer on stack 1",
+	.insns = {
+	BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_10, -8),
+	BPF_ST_MEM(BPF_W, BPF_REG_10, -8, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.errstr_unpriv = "attempt to corrupt spilled",
+	.result_unpriv = REJECT,
+	.result = ACCEPT,
+},
+{
+	"unpriv: mangle pointer on stack 2",
+	.insns = {
+	BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_10, -8),
+	BPF_ST_MEM(BPF_B, BPF_REG_10, -1, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.errstr_unpriv = "attempt to corrupt spilled",
+	.result_unpriv = REJECT,
+	.result = ACCEPT,
+},
+{
+	"unpriv: read pointer from stack in small chunks",
+	.insns = {
+	BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_10, -8),
+	BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_10, -8),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "invalid size",
+	.result = REJECT,
+},
+{
+	"unpriv: write pointer into ctx",
+	.insns = {
+	BPF_STX_MEM(BPF_DW, BPF_REG_1, BPF_REG_1, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.errstr_unpriv = "R1 leaks addr",
+	.result_unpriv = REJECT,
+	.errstr = "invalid bpf_context access",
+	.result = REJECT,
+},
+{
+	"unpriv: spill/fill of ctx",
+	.insns = {
+	BPF_ALU64_REG(BPF_MOV, BPF_REG_6, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, -8),
+	BPF_STX_MEM(BPF_DW, BPF_REG_6, BPF_REG_1, 0),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_6, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+},
+{
+	"unpriv: spill/fill of ctx 2",
+	.insns = {
+	BPF_ALU64_REG(BPF_MOV, BPF_REG_6, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, -8),
+	BPF_STX_MEM(BPF_DW, BPF_REG_6, BPF_REG_1, 0),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_6, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_hash_recalc),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+},
+{
+	"unpriv: spill/fill of ctx 3",
+	.insns = {
+	BPF_ALU64_REG(BPF_MOV, BPF_REG_6, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, -8),
+	BPF_STX_MEM(BPF_DW, BPF_REG_6, BPF_REG_1, 0),
+	BPF_STX_MEM(BPF_DW, BPF_REG_6, BPF_REG_10, 0),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_6, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_hash_recalc),
+	BPF_EXIT_INSN(),
+	},
+	.result = REJECT,
+	.errstr = "R1 type=fp expected=ctx",
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+},
+{
+	"unpriv: spill/fill of ctx 4",
+	.insns = {
+	BPF_ALU64_REG(BPF_MOV, BPF_REG_6, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, -8),
+	BPF_STX_MEM(BPF_DW, BPF_REG_6, BPF_REG_1, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 1),
+	BPF_RAW_INSN(BPF_STX | BPF_ATOMIC | BPF_DW,
+		     BPF_REG_10, BPF_REG_0, -8, BPF_ADD),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_6, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_hash_recalc),
+	BPF_EXIT_INSN(),
+	},
+	.result = REJECT,
+	.errstr = "R1 type=scalar expected=ctx",
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+},
+{
+	"unpriv: spill/fill of different pointers stx",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_3, 42),
+	BPF_ALU64_REG(BPF_MOV, BPF_REG_6, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, -8),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 0, 3),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -16),
+	BPF_STX_MEM(BPF_DW, BPF_REG_6, BPF_REG_2, 0),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_1, 0, 1),
+	BPF_STX_MEM(BPF_DW, BPF_REG_6, BPF_REG_1, 0),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_6, 0),
+	BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_3,
+		    offsetof(struct __sk_buff, mark)),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = REJECT,
+	.errstr = "same insn cannot be used with different pointers",
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+},
+{
+	"unpriv: spill/fill of different pointers stx - ctx and sock",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_8, BPF_REG_1),
+	/* struct bpf_sock *sock = bpf_sock_lookup(...); */
+	BPF_SK_LOOKUP(sk_lookup_tcp),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_0),
+	/* u64 foo; */
+	/* void *target = &foo; */
+	BPF_ALU64_REG(BPF_MOV, BPF_REG_6, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, -8),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_8),
+	/* if (skb == NULL) *target = sock; */
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 0, 1),
+		BPF_STX_MEM(BPF_DW, BPF_REG_6, BPF_REG_2, 0),
+	/* else *target = skb; */
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_1, 0, 1),
+		BPF_STX_MEM(BPF_DW, BPF_REG_6, BPF_REG_1, 0),
+	/* struct __sk_buff *skb = *target; */
+	BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_6, 0),
+	/* skb->mark = 42; */
+	BPF_MOV64_IMM(BPF_REG_3, 42),
+	BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_3,
+		    offsetof(struct __sk_buff, mark)),
+	/* if (sk) bpf_sk_release(sk) */
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 0, 1),
+		BPF_EMIT_CALL(BPF_FUNC_sk_release),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = REJECT,
+	.errstr = "type=ctx expected=sock",
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+},
+{
+	"unpriv: spill/fill of different pointers stx - leak sock",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_8, BPF_REG_1),
+	/* struct bpf_sock *sock = bpf_sock_lookup(...); */
+	BPF_SK_LOOKUP(sk_lookup_tcp),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_0),
+	/* u64 foo; */
+	/* void *target = &foo; */
+	BPF_ALU64_REG(BPF_MOV, BPF_REG_6, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, -8),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_8),
+	/* if (skb == NULL) *target = sock; */
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 0, 1),
+		BPF_STX_MEM(BPF_DW, BPF_REG_6, BPF_REG_2, 0),
+	/* else *target = skb; */
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_1, 0, 1),
+		BPF_STX_MEM(BPF_DW, BPF_REG_6, BPF_REG_1, 0),
+	/* struct __sk_buff *skb = *target; */
+	BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_6, 0),
+	/* skb->mark = 42; */
+	BPF_MOV64_IMM(BPF_REG_3, 42),
+	BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_3,
+		    offsetof(struct __sk_buff, mark)),
+	BPF_EXIT_INSN(),
+	},
+	.result = REJECT,
+	//.errstr = "same insn cannot be used with different pointers",
+	.errstr = "Unreleased reference",
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+},
+{
+	"unpriv: spill/fill of different pointers stx - sock and ctx (read)",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_8, BPF_REG_1),
+	/* struct bpf_sock *sock = bpf_sock_lookup(...); */
+	BPF_SK_LOOKUP(sk_lookup_tcp),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_0),
+	/* u64 foo; */
+	/* void *target = &foo; */
+	BPF_ALU64_REG(BPF_MOV, BPF_REG_6, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, -8),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_8),
+	/* if (skb) *target = skb */
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 0, 1),
+		BPF_STX_MEM(BPF_DW, BPF_REG_6, BPF_REG_1, 0),
+	/* else *target = sock */
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_1, 0, 1),
+		BPF_STX_MEM(BPF_DW, BPF_REG_6, BPF_REG_2, 0),
+	/* struct bpf_sock *sk = *target; */
+	BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_6, 0),
+	/* if (sk) u32 foo = sk->mark; bpf_sk_release(sk); */
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 0, 2),
+		BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+			    offsetof(struct bpf_sock, mark)),
+		BPF_EMIT_CALL(BPF_FUNC_sk_release),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = REJECT,
+	.errstr = "same insn cannot be used with different pointers",
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+},
+{
+	"unpriv: spill/fill of different pointers stx - sock and ctx (write)",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_8, BPF_REG_1),
+	/* struct bpf_sock *sock = bpf_sock_lookup(...); */
+	BPF_SK_LOOKUP(sk_lookup_tcp),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_0),
+	/* u64 foo; */
+	/* void *target = &foo; */
+	BPF_ALU64_REG(BPF_MOV, BPF_REG_6, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, -8),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_8),
+	/* if (skb) *target = skb */
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 0, 1),
+		BPF_STX_MEM(BPF_DW, BPF_REG_6, BPF_REG_1, 0),
+	/* else *target = sock */
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_1, 0, 1),
+		BPF_STX_MEM(BPF_DW, BPF_REG_6, BPF_REG_2, 0),
+	/* struct bpf_sock *sk = *target; */
+	BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_6, 0),
+	/* if (sk) sk->mark = 42; bpf_sk_release(sk); */
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 0, 3),
+		BPF_MOV64_IMM(BPF_REG_3, 42),
+		BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_3,
+			    offsetof(struct bpf_sock, mark)),
+		BPF_EMIT_CALL(BPF_FUNC_sk_release),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = REJECT,
+	//.errstr = "same insn cannot be used with different pointers",
+	.errstr = "cannot write into sock",
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+},
+{
+	"unpriv: spill/fill of different pointers ldx",
+	.insns = {
+	BPF_ALU64_REG(BPF_MOV, BPF_REG_6, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, -8),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 0, 3),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2,
+		      -(__s32)offsetof(struct bpf_perf_event_data,
+				       sample_period) - 8),
+	BPF_STX_MEM(BPF_DW, BPF_REG_6, BPF_REG_2, 0),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_1, 0, 1),
+	BPF_STX_MEM(BPF_DW, BPF_REG_6, BPF_REG_1, 0),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_6, 0),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_1,
+		    offsetof(struct bpf_perf_event_data, sample_period)),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = REJECT,
+	.errstr = "same insn cannot be used with different pointers",
+	.prog_type = BPF_PROG_TYPE_PERF_EVENT,
+},
+{
+	"unpriv: write pointer into map elem value",
+	.insns = {
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 1),
+	BPF_STX_MEM(BPF_DW, BPF_REG_0, BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_8b = { 3 },
+	.errstr_unpriv = "R0 leaks addr",
+	.result_unpriv = REJECT,
+	.result = ACCEPT,
+},
+{
+	"alu32: mov u32 const",
+	.insns = {
+	BPF_MOV32_IMM(BPF_REG_7, 0),
+	BPF_ALU32_IMM(BPF_AND, BPF_REG_7, 1),
+	BPF_MOV32_REG(BPF_REG_0, BPF_REG_7),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 1),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_7, 0),
+	BPF_EXIT_INSN(),
+	},
+	.errstr_unpriv = "R7 invalid mem access 'scalar'",
+	.result_unpriv = REJECT,
+	.result = ACCEPT,
+	.retval = 0,
+},
+{
+	"unpriv: partial copy of pointer",
+	.insns = {
+	BPF_MOV32_REG(BPF_REG_1, BPF_REG_10),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.errstr_unpriv = "R10 partial copy",
+	.result_unpriv = REJECT,
+	.result = ACCEPT,
+},
+{
+	"unpriv: pass pointer to tail_call",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_3, BPF_REG_1),
+	BPF_LD_MAP_FD(BPF_REG_2, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_tail_call),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_prog1 = { 1 },
+	.errstr_unpriv = "R3 leaks addr into helper",
+	.result_unpriv = REJECT,
+	.result = ACCEPT,
+},
+{
+	"unpriv: cmp map pointer with zero",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_1, 0),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 0, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_8b = { 1 },
+	.errstr_unpriv = "R1 pointer comparison",
+	.result_unpriv = REJECT,
+	.result = ACCEPT,
+},
+{
+	"unpriv: write into frame pointer",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_10, BPF_REG_1),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "frame pointer is read only",
+	.result = REJECT,
+},
+{
+	"unpriv: spill/fill frame pointer",
+	.insns = {
+	BPF_ALU64_REG(BPF_MOV, BPF_REG_6, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, -8),
+	BPF_STX_MEM(BPF_DW, BPF_REG_6, BPF_REG_10, 0),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_10, BPF_REG_6, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "frame pointer is read only",
+	.result = REJECT,
+},
+{
+	"unpriv: cmp of frame pointer",
+	.insns = {
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_10, 0, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.errstr_unpriv = "R10 pointer comparison",
+	.result_unpriv = REJECT,
+	.result = ACCEPT,
+},
+{
+	"unpriv: adding of fp, reg",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_MOV64_IMM(BPF_REG_1, 0),
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_10),
+	BPF_STX_MEM(BPF_DW, BPF_REG_1, BPF_REG_0, -8),
+	BPF_EXIT_INSN(),
+	},
+	.errstr_unpriv = "R1 stack pointer arithmetic goes out of range",
+	.result_unpriv = REJECT,
+	.result = ACCEPT,
+},
+{
+	"unpriv: adding of fp, imm",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 0),
+	BPF_STX_MEM(BPF_DW, BPF_REG_1, BPF_REG_0, -8),
+	BPF_EXIT_INSN(),
+	},
+	.errstr_unpriv = "R1 stack pointer arithmetic goes out of range",
+	.result_unpriv = REJECT,
+	.result = ACCEPT,
+},
+{
+	"unpriv: cmp of stack pointer",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_2, 0, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.errstr_unpriv = "R2 pointer comparison",
+	.result_unpriv = REJECT,
+	.result = ACCEPT,
+},
diff --git a/tools/testing/selftests/bpf/verifier/value.c b/tools/testing/selftests/bpf/verifier/value.c
new file mode 100644
index 000000000..0e42592b1
--- /dev/null
+++ b/tools/testing/selftests/bpf/verifier/value.c
@@ -0,0 +1,104 @@
+{
+	"map element value store of cleared call register",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 1),
+	BPF_STX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, 0),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_48b = { 3 },
+	.errstr_unpriv = "R1 !read_ok",
+	.errstr = "R1 !read_ok",
+	.result = REJECT,
+	.result_unpriv = REJECT,
+},
+{
+	"map element value with unaligned store",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 17),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 3),
+	BPF_ST_MEM(BPF_DW, BPF_REG_0, 0, 42),
+	BPF_ST_MEM(BPF_DW, BPF_REG_0, 2, 43),
+	BPF_ST_MEM(BPF_DW, BPF_REG_0, -2, 44),
+	BPF_MOV64_REG(BPF_REG_8, BPF_REG_0),
+	BPF_ST_MEM(BPF_DW, BPF_REG_8, 0, 32),
+	BPF_ST_MEM(BPF_DW, BPF_REG_8, 2, 33),
+	BPF_ST_MEM(BPF_DW, BPF_REG_8, -2, 34),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_8, 5),
+	BPF_ST_MEM(BPF_DW, BPF_REG_8, 0, 22),
+	BPF_ST_MEM(BPF_DW, BPF_REG_8, 4, 23),
+	BPF_ST_MEM(BPF_DW, BPF_REG_8, -7, 24),
+	BPF_MOV64_REG(BPF_REG_7, BPF_REG_8),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_7, 3),
+	BPF_ST_MEM(BPF_DW, BPF_REG_7, 0, 22),
+	BPF_ST_MEM(BPF_DW, BPF_REG_7, 4, 23),
+	BPF_ST_MEM(BPF_DW, BPF_REG_7, -4, 24),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_48b = { 3 },
+	.errstr_unpriv = "R0 leaks addr",
+	.result = ACCEPT,
+	.result_unpriv = REJECT,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"map element value with unaligned load",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 11),
+	BPF_LDX_MEM(BPF_W, BPF_REG_1, BPF_REG_0, 0),
+	BPF_JMP_IMM(BPF_JGE, BPF_REG_1, MAX_ENTRIES, 9),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 3),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_7, BPF_REG_0, 0),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_7, BPF_REG_0, 2),
+	BPF_MOV64_REG(BPF_REG_8, BPF_REG_0),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_7, BPF_REG_8, 0),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_7, BPF_REG_8, 2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 5),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_7, BPF_REG_0, 0),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_7, BPF_REG_0, 4),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_48b = { 3 },
+	.errstr_unpriv = "R0 leaks addr",
+	.result = ACCEPT,
+	.result_unpriv = REJECT,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"map element value is preserved across register spilling",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 7),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, offsetof(struct test_val, foo)),
+	BPF_ST_MEM(BPF_DW, BPF_REG_0, 0, 42),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -184),
+	BPF_STX_MEM(BPF_DW, BPF_REG_1, BPF_REG_0, 0),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_3, BPF_REG_1, 0),
+	BPF_ST_MEM(BPF_DW, BPF_REG_3, 0, 42),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_48b = { 3 },
+	.errstr_unpriv = "R0 leaks addr",
+	.result = ACCEPT,
+	.result_unpriv = REJECT,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
diff --git a/tools/testing/selftests/bpf/verifier/value_adj_spill.c b/tools/testing/selftests/bpf/verifier/value_adj_spill.c
new file mode 100644
index 000000000..7135e8021
--- /dev/null
+++ b/tools/testing/selftests/bpf/verifier/value_adj_spill.c
@@ -0,0 +1,43 @@
+{
+	"map element value is preserved across register spilling",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 6),
+	BPF_ST_MEM(BPF_DW, BPF_REG_0, 0, 42),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -184),
+	BPF_STX_MEM(BPF_DW, BPF_REG_1, BPF_REG_0, 0),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_3, BPF_REG_1, 0),
+	BPF_ST_MEM(BPF_DW, BPF_REG_3, 0, 42),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_48b = { 3 },
+	.errstr_unpriv = "R0 leaks addr",
+	.result = ACCEPT,
+	.result_unpriv = REJECT,
+},
+{
+	"map element value or null is marked on register spilling",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -152),
+	BPF_STX_MEM(BPF_DW, BPF_REG_1, BPF_REG_0, 0),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 2),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_3, BPF_REG_1, 0),
+	BPF_ST_MEM(BPF_DW, BPF_REG_3, 0, 42),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_48b = { 3 },
+	.errstr_unpriv = "R0 leaks addr",
+	.result = ACCEPT,
+	.result_unpriv = REJECT,
+},
diff --git a/tools/testing/selftests/bpf/verifier/value_illegal_alu.c b/tools/testing/selftests/bpf/verifier/value_illegal_alu.c
new file mode 100644
index 000000000..d6f29eb4b
--- /dev/null
+++ b/tools/testing/selftests/bpf/verifier/value_illegal_alu.c
@@ -0,0 +1,95 @@
+{
+	"map element value illegal alu op, 1",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 2),
+	BPF_ALU64_IMM(BPF_AND, BPF_REG_0, 8),
+	BPF_ST_MEM(BPF_DW, BPF_REG_0, 0, 22),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_48b = { 3 },
+	.errstr = "R0 bitwise operator &= on pointer",
+	.result = REJECT,
+},
+{
+	"map element value illegal alu op, 2",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 2),
+	BPF_ALU32_IMM(BPF_ADD, BPF_REG_0, 0),
+	BPF_ST_MEM(BPF_DW, BPF_REG_0, 0, 22),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_48b = { 3 },
+	.errstr = "R0 32-bit pointer arithmetic prohibited",
+	.result = REJECT,
+},
+{
+	"map element value illegal alu op, 3",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 2),
+	BPF_ALU64_IMM(BPF_DIV, BPF_REG_0, 42),
+	BPF_ST_MEM(BPF_DW, BPF_REG_0, 0, 22),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_48b = { 3 },
+	.errstr = "R0 pointer arithmetic with /= operator",
+	.result = REJECT,
+},
+{
+	"map element value illegal alu op, 4",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 2),
+	BPF_ENDIAN(BPF_FROM_BE, BPF_REG_0, 64),
+	BPF_ST_MEM(BPF_DW, BPF_REG_0, 0, 22),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_48b = { 3 },
+	.errstr_unpriv = "R0 pointer arithmetic prohibited",
+	.errstr = "invalid mem access 'scalar'",
+	.result = REJECT,
+	.result_unpriv = REJECT,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"map element value illegal alu op, 5",
+	.insns = {
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 7),
+	BPF_MOV64_IMM(BPF_REG_3, 4096),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_STX_MEM(BPF_DW, BPF_REG_2, BPF_REG_0, 0),
+	BPF_ATOMIC_OP(BPF_DW, BPF_ADD, BPF_REG_2, BPF_REG_3, 0),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_2, 0),
+	BPF_ST_MEM(BPF_DW, BPF_REG_0, 0, 22),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_48b = { 3 },
+	.errstr_unpriv = "leaking pointer from stack off -8",
+	.errstr = "R0 invalid mem access 'scalar'",
+	.result = REJECT,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
diff --git a/tools/testing/selftests/bpf/verifier/value_or_null.c b/tools/testing/selftests/bpf/verifier/value_or_null.c
new file mode 100644
index 000000000..3ecb70a3d
--- /dev/null
+++ b/tools/testing/selftests/bpf/verifier/value_or_null.c
@@ -0,0 +1,171 @@
+{
+	"multiple registers share map_lookup_elem result",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_1, 10),
+	BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_1, -8),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_MOV64_REG(BPF_REG_4, BPF_REG_0),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 1),
+	BPF_ST_MEM(BPF_DW, BPF_REG_4, 0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_8b = { 4 },
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS
+},
+{
+	"alu ops on ptr_to_map_value_or_null, 1",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_1, 10),
+	BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_1, -8),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_MOV64_REG(BPF_REG_4, BPF_REG_0),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_4, -2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_4, 2),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 1),
+	BPF_ST_MEM(BPF_DW, BPF_REG_4, 0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_8b = { 4 },
+	.errstr = "R4 pointer arithmetic on map_value_or_null",
+	.result = REJECT,
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS
+},
+{
+	"alu ops on ptr_to_map_value_or_null, 2",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_1, 10),
+	BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_1, -8),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_MOV64_REG(BPF_REG_4, BPF_REG_0),
+	BPF_ALU64_IMM(BPF_AND, BPF_REG_4, -1),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 1),
+	BPF_ST_MEM(BPF_DW, BPF_REG_4, 0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_8b = { 4 },
+	.errstr = "R4 pointer arithmetic on map_value_or_null",
+	.result = REJECT,
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS
+},
+{
+	"alu ops on ptr_to_map_value_or_null, 3",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_1, 10),
+	BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_1, -8),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_MOV64_REG(BPF_REG_4, BPF_REG_0),
+	BPF_ALU64_IMM(BPF_LSH, BPF_REG_4, 1),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 1),
+	BPF_ST_MEM(BPF_DW, BPF_REG_4, 0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_8b = { 4 },
+	.errstr = "R4 pointer arithmetic on map_value_or_null",
+	.result = REJECT,
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS
+},
+{
+	"invalid memory access with multiple map_lookup_elem calls",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_1, 10),
+	BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_1, -8),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_MOV64_REG(BPF_REG_8, BPF_REG_1),
+	BPF_MOV64_REG(BPF_REG_7, BPF_REG_2),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_MOV64_REG(BPF_REG_4, BPF_REG_0),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_8),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_7),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 1),
+	BPF_ST_MEM(BPF_DW, BPF_REG_4, 0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_8b = { 4 },
+	.result = REJECT,
+	.errstr = "R4 !read_ok",
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS
+},
+{
+	"valid indirect map_lookup_elem access with 2nd lookup in branch",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_1, 10),
+	BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_1, -8),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_MOV64_REG(BPF_REG_8, BPF_REG_1),
+	BPF_MOV64_REG(BPF_REG_7, BPF_REG_2),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_MOV64_IMM(BPF_REG_2, 10),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_2, 0, 3),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_8),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_7),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_MOV64_REG(BPF_REG_4, BPF_REG_0),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 1),
+	BPF_ST_MEM(BPF_DW, BPF_REG_4, 0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_8b = { 4 },
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS
+},
+{
+	"invalid map access from else condition",
+	.insns = {
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 6),
+	BPF_LDX_MEM(BPF_W, BPF_REG_1, BPF_REG_0, 0),
+	BPF_JMP_IMM(BPF_JGE, BPF_REG_1, MAX_ENTRIES-1, 1),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 1),
+	BPF_ALU64_IMM(BPF_LSH, BPF_REG_1, 2),
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
+	BPF_ST_MEM(BPF_DW, BPF_REG_0, 0, offsetof(struct test_val, foo)),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_48b = { 3 },
+	.errstr = "R0 unbounded memory access",
+	.result = REJECT,
+	.errstr_unpriv = "R0 leaks addr",
+	.result_unpriv = REJECT,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"map lookup and null branch prediction",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_1, 10),
+	BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_1, -8),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_MOV64_REG(BPF_REG_6, BPF_REG_0),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_6, 0, 2),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_6, 0, 1),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_10, 10),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_8b = { 4 },
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.result = ACCEPT,
+},
diff --git a/tools/testing/selftests/bpf/verifier/value_ptr_arith.c b/tools/testing/selftests/bpf/verifier/value_ptr_arith.c
new file mode 100644
index 000000000..249187d3c
--- /dev/null
+++ b/tools/testing/selftests/bpf/verifier/value_ptr_arith.c
@@ -0,0 +1,1140 @@
+{
+	"map access: known scalar += value_ptr unknown vs const",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+		    offsetof(struct __sk_buff, len)),
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 1, 3),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 1, 2),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 9),
+	BPF_LDX_MEM(BPF_B, BPF_REG_4, BPF_REG_0, 0),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_4, 1, 4),
+	BPF_MOV64_IMM(BPF_REG_1, 6),
+	BPF_ALU64_IMM(BPF_NEG, BPF_REG_1, 0),
+	BPF_ALU64_IMM(BPF_AND, BPF_REG_1, 0x7),
+	BPF_JMP_IMM(BPF_JA, 0, 0, 1),
+	BPF_MOV64_IMM(BPF_REG_1, 3),
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_0),
+	BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 1),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_16b = { 5 },
+	.fixup_map_array_48b = { 8 },
+	.result_unpriv = REJECT,
+	.errstr_unpriv = "R1 tried to add from different maps, paths or scalars",
+	.result = ACCEPT,
+	.retval = 1,
+},
+{
+	"map access: known scalar += value_ptr const vs unknown",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+		    offsetof(struct __sk_buff, len)),
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 1, 3),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 1, 2),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 9),
+	BPF_LDX_MEM(BPF_B, BPF_REG_4, BPF_REG_0, 0),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_4, 1, 2),
+	BPF_MOV64_IMM(BPF_REG_1, 3),
+	BPF_JMP_IMM(BPF_JA, 0, 0, 3),
+	BPF_MOV64_IMM(BPF_REG_1, 6),
+	BPF_ALU64_IMM(BPF_NEG, BPF_REG_1, 0),
+	BPF_ALU64_IMM(BPF_AND, BPF_REG_1, 0x7),
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_0),
+	BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 1),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_16b = { 5 },
+	.fixup_map_array_48b = { 8 },
+	.result_unpriv = REJECT,
+	.errstr_unpriv = "R1 tried to add from different maps, paths or scalars",
+	.result = ACCEPT,
+	.retval = 1,
+},
+{
+	"map access: known scalar += value_ptr const vs const (ne)",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+		    offsetof(struct __sk_buff, len)),
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 1, 3),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 1, 2),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 7),
+	BPF_LDX_MEM(BPF_B, BPF_REG_4, BPF_REG_0, 0),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_4, 1, 2),
+	BPF_MOV64_IMM(BPF_REG_1, 3),
+	BPF_JMP_IMM(BPF_JA, 0, 0, 1),
+	BPF_MOV64_IMM(BPF_REG_1, 5),
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_0),
+	BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 1),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_16b = { 5 },
+	.fixup_map_array_48b = { 8 },
+	.result_unpriv = REJECT,
+	.errstr_unpriv = "R1 tried to add from different maps, paths or scalars",
+	.result = ACCEPT,
+	.retval = 1,
+},
+{
+	"map access: known scalar += value_ptr const vs const (eq)",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+		    offsetof(struct __sk_buff, len)),
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 1, 3),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 1, 2),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 7),
+	BPF_LDX_MEM(BPF_B, BPF_REG_4, BPF_REG_0, 0),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_4, 1, 2),
+	BPF_MOV64_IMM(BPF_REG_1, 5),
+	BPF_JMP_IMM(BPF_JA, 0, 0, 1),
+	BPF_MOV64_IMM(BPF_REG_1, 5),
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_0),
+	BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 1),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_16b = { 5 },
+	.fixup_map_array_48b = { 8 },
+	.result = ACCEPT,
+	.retval = 1,
+},
+{
+	"map access: known scalar += value_ptr unknown vs unknown (eq)",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+		    offsetof(struct __sk_buff, len)),
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 1, 3),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 1, 2),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 11),
+	BPF_LDX_MEM(BPF_B, BPF_REG_4, BPF_REG_0, 0),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_4, 1, 4),
+	BPF_MOV64_IMM(BPF_REG_1, 6),
+	BPF_ALU64_IMM(BPF_NEG, BPF_REG_1, 0),
+	BPF_ALU64_IMM(BPF_AND, BPF_REG_1, 0x7),
+	BPF_JMP_IMM(BPF_JA, 0, 0, 3),
+	BPF_MOV64_IMM(BPF_REG_1, 6),
+	BPF_ALU64_IMM(BPF_NEG, BPF_REG_1, 0),
+	BPF_ALU64_IMM(BPF_AND, BPF_REG_1, 0x7),
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_0),
+	BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 1),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_16b = { 5 },
+	.fixup_map_array_48b = { 8 },
+	.result = ACCEPT,
+	.retval = 1,
+},
+{
+	"map access: known scalar += value_ptr unknown vs unknown (lt)",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+		    offsetof(struct __sk_buff, len)),
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 1, 3),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 1, 2),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 11),
+	BPF_LDX_MEM(BPF_B, BPF_REG_4, BPF_REG_0, 0),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_4, 1, 4),
+	BPF_MOV64_IMM(BPF_REG_1, 6),
+	BPF_ALU64_IMM(BPF_NEG, BPF_REG_1, 0),
+	BPF_ALU64_IMM(BPF_AND, BPF_REG_1, 0x3),
+	BPF_JMP_IMM(BPF_JA, 0, 0, 3),
+	BPF_MOV64_IMM(BPF_REG_1, 6),
+	BPF_ALU64_IMM(BPF_NEG, BPF_REG_1, 0),
+	BPF_ALU64_IMM(BPF_AND, BPF_REG_1, 0x7),
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_0),
+	BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 1),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_16b = { 5 },
+	.fixup_map_array_48b = { 8 },
+	.result_unpriv = REJECT,
+	.errstr_unpriv = "R1 tried to add from different maps, paths or scalars",
+	.result = ACCEPT,
+	.retval = 1,
+},
+{
+	"map access: known scalar += value_ptr unknown vs unknown (gt)",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+		    offsetof(struct __sk_buff, len)),
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 1, 3),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 1, 2),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 11),
+	BPF_LDX_MEM(BPF_B, BPF_REG_4, BPF_REG_0, 0),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_4, 1, 4),
+	BPF_MOV64_IMM(BPF_REG_1, 6),
+	BPF_ALU64_IMM(BPF_NEG, BPF_REG_1, 0),
+	BPF_ALU64_IMM(BPF_AND, BPF_REG_1, 0x7),
+	BPF_JMP_IMM(BPF_JA, 0, 0, 3),
+	BPF_MOV64_IMM(BPF_REG_1, 6),
+	BPF_ALU64_IMM(BPF_NEG, BPF_REG_1, 0),
+	BPF_ALU64_IMM(BPF_AND, BPF_REG_1, 0x3),
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_0),
+	BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 1),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_16b = { 5 },
+	.fixup_map_array_48b = { 8 },
+	.result_unpriv = REJECT,
+	.errstr_unpriv = "R1 tried to add from different maps, paths or scalars",
+	.result = ACCEPT,
+	.retval = 1,
+},
+{
+	"map access: known scalar += value_ptr from different maps",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+		    offsetof(struct __sk_buff, len)),
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 1, 3),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 1, 2),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 3),
+	BPF_MOV64_IMM(BPF_REG_1, 4),
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_0),
+	BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 1),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_16b = { 5 },
+	.fixup_map_array_48b = { 8 },
+	.result = ACCEPT,
+	.retval = 1,
+},
+{
+	"map access: value_ptr -= known scalar from different maps",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+		    offsetof(struct __sk_buff, len)),
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 1, 3),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 1, 2),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 4),
+	BPF_MOV64_IMM(BPF_REG_1, 4),
+	BPF_ALU64_REG(BPF_SUB, BPF_REG_0, BPF_REG_1),
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
+	BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_0, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 1),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_16b = { 5 },
+	.fixup_map_array_48b = { 8 },
+	.result = ACCEPT,
+	.result_unpriv = REJECT,
+	.errstr_unpriv = "R0 min value is outside of the allowed memory range",
+	.retval = 1,
+},
+{
+	"map access: known scalar += value_ptr from different maps, but same value properties",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
+		    offsetof(struct __sk_buff, len)),
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 1, 3),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 1, 2),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 3),
+	BPF_MOV64_IMM(BPF_REG_1, 4),
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_0),
+	BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 1),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_48b = { 5 },
+	.fixup_map_array_48b = { 8 },
+	.result = ACCEPT,
+	.retval = 1,
+},
+{
+	"map access: mixing value pointer and scalar, 1",
+	.insns = {
+	// load map value pointer into r0 and r2
+	BPF_MOV64_IMM(BPF_REG_0, 1),
+	BPF_LD_MAP_FD(BPF_REG_ARG1, 0),
+	BPF_MOV64_REG(BPF_REG_ARG2, BPF_REG_FP),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_ARG2, -16),
+	BPF_ST_MEM(BPF_DW, BPF_REG_FP, -16, 0),
+	BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
+	BPF_EXIT_INSN(),
+	// load some number from the map into r1
+	BPF_LDX_MEM(BPF_B, BPF_REG_1, BPF_REG_0, 0),
+	// depending on r1, branch:
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_1, 0, 3),
+	// branch A
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_0),
+	BPF_MOV64_IMM(BPF_REG_3, 0),
+	BPF_JMP_A(2),
+	// branch B
+	BPF_MOV64_IMM(BPF_REG_2, 0),
+	BPF_MOV64_IMM(BPF_REG_3, 0x100000),
+	// common instruction
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_2, BPF_REG_3),
+	// depending on r1, branch:
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_1, 0, 1),
+	// branch A
+	BPF_JMP_A(4),
+	// branch B
+	BPF_MOV64_IMM(BPF_REG_0, 0x13371337),
+	// verifier follows fall-through
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_2, 0x100000, 2),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	// fake-dead code; targeted from branch A to
+	// prevent dead code sanitization
+	BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_0, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_array_48b = { 1 },
+	.result = ACCEPT,
+	.result_unpriv = REJECT,
+	.errstr_unpriv = "R2 pointer comparison prohibited",
+	.retval = 0,
+},
+{
+	"map access: mixing value pointer and scalar, 2",
+	.insns = {
+	// load map value pointer into r0 and r2
+	BPF_MOV64_IMM(BPF_REG_0, 1),
+	BPF_LD_MAP_FD(BPF_REG_ARG1, 0),
+	BPF_MOV64_REG(BPF_REG_ARG2, BPF_REG_FP),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_ARG2, -16),
+	BPF_ST_MEM(BPF_DW, BPF_REG_FP, -16, 0),
+	BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
+	BPF_EXIT_INSN(),
+	// load some number from the map into r1
+	BPF_LDX_MEM(BPF_B, BPF_REG_1, BPF_REG_0, 0),
+	// depending on r1, branch:
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 0, 3),
+	// branch A
+	BPF_MOV64_IMM(BPF_REG_2, 0),
+	BPF_MOV64_IMM(BPF_REG_3, 0x100000),
+	BPF_JMP_A(2),
+	// branch B
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_0),
+	BPF_MOV64_IMM(BPF_REG_3, 0),
+	// common instruction
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_2, BPF_REG_3),
+	// depending on r1, branch:
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_1, 0, 1),
+	// branch A
+	BPF_JMP_A(4),
+	// branch B
+	BPF_MOV64_IMM(BPF_REG_0, 0x13371337),
+	// verifier follows fall-through
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_2, 0x100000, 2),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	// fake-dead code; targeted from branch A to
+	// prevent dead code sanitization, rejected
+	// via branch B however
+	BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_0, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_array_48b = { 1 },
+	.result = ACCEPT,
+	.result_unpriv = REJECT,
+	.errstr_unpriv = "R0 invalid mem access 'scalar'",
+	.retval = 0,
+},
+{
+	"sanitation: alu with different scalars 1",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_0, 1),
+	BPF_LD_MAP_FD(BPF_REG_ARG1, 0),
+	BPF_MOV64_REG(BPF_REG_ARG2, BPF_REG_FP),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_ARG2, -16),
+	BPF_ST_MEM(BPF_DW, BPF_REG_FP, -16, 0),
+	BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
+	BPF_EXIT_INSN(),
+	BPF_LDX_MEM(BPF_W, BPF_REG_1, BPF_REG_0, 0),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 0, 3),
+	BPF_MOV64_IMM(BPF_REG_2, 0),
+	BPF_MOV64_IMM(BPF_REG_3, 0x100000),
+	BPF_JMP_A(2),
+	BPF_MOV64_IMM(BPF_REG_2, 42),
+	BPF_MOV64_IMM(BPF_REG_3, 0x100001),
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_2, BPF_REG_3),
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_array_48b = { 1 },
+	.result = ACCEPT,
+	.retval = 0x100000,
+},
+{
+	"sanitation: alu with different scalars 2",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_0, 1),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_FP),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -16),
+	BPF_ST_MEM(BPF_DW, BPF_REG_FP, -16, 0),
+	BPF_EMIT_CALL(BPF_FUNC_map_delete_elem),
+	BPF_MOV64_REG(BPF_REG_7, BPF_REG_0),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_FP),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -16),
+	BPF_EMIT_CALL(BPF_FUNC_map_delete_elem),
+	BPF_MOV64_REG(BPF_REG_6, BPF_REG_0),
+	BPF_MOV64_REG(BPF_REG_8, BPF_REG_6),
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_8, BPF_REG_7),
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_8),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_array_48b = { 1 },
+	.result = ACCEPT,
+	.retval = -EINVAL * 2,
+},
+{
+	"sanitation: alu with different scalars 3",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_0, EINVAL),
+	BPF_ALU64_IMM(BPF_MUL, BPF_REG_0, -1),
+	BPF_MOV64_REG(BPF_REG_7, BPF_REG_0),
+	BPF_MOV64_IMM(BPF_REG_0, EINVAL),
+	BPF_ALU64_IMM(BPF_MUL, BPF_REG_0, -1),
+	BPF_MOV64_REG(BPF_REG_6, BPF_REG_0),
+	BPF_MOV64_REG(BPF_REG_8, BPF_REG_6),
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_8, BPF_REG_7),
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_8),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.retval = -EINVAL * 2,
+},
+{
+	"map access: value_ptr += known scalar, upper oob arith, test 1",
+	.insns = {
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 4),
+	BPF_MOV64_IMM(BPF_REG_1, 48),
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
+	BPF_ALU64_REG(BPF_SUB, BPF_REG_0, BPF_REG_1),
+	BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_0, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 1),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_array_48b = { 3 },
+	.result = ACCEPT,
+	.result_unpriv = REJECT,
+	.errstr_unpriv = "R0 pointer arithmetic of map value goes out of range",
+	.retval = 1,
+},
+{
+	"map access: value_ptr += known scalar, upper oob arith, test 2",
+	.insns = {
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 4),
+	BPF_MOV64_IMM(BPF_REG_1, 49),
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
+	BPF_ALU64_REG(BPF_SUB, BPF_REG_0, BPF_REG_1),
+	BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_0, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 1),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_array_48b = { 3 },
+	.result = ACCEPT,
+	.result_unpriv = REJECT,
+	.errstr_unpriv = "R0 pointer arithmetic of map value goes out of range",
+	.retval = 1,
+},
+{
+	"map access: value_ptr += known scalar, upper oob arith, test 3",
+	.insns = {
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 4),
+	BPF_MOV64_IMM(BPF_REG_1, 47),
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
+	BPF_ALU64_REG(BPF_SUB, BPF_REG_0, BPF_REG_1),
+	BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_0, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 1),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_array_48b = { 3 },
+	.result = ACCEPT,
+	.retval = 1,
+},
+{
+	"map access: value_ptr -= known scalar, lower oob arith, test 1",
+	.insns = {
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 5),
+	BPF_MOV64_IMM(BPF_REG_1, 47),
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
+	BPF_MOV64_IMM(BPF_REG_1, 48),
+	BPF_ALU64_REG(BPF_SUB, BPF_REG_0, BPF_REG_1),
+	BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_0, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 1),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_array_48b = { 3 },
+	.result = REJECT,
+	.errstr = "R0 min value is outside of the allowed memory range",
+	.result_unpriv = REJECT,
+	.errstr_unpriv = "R0 pointer arithmetic of map value goes out of range",
+},
+{
+	"map access: value_ptr -= known scalar, lower oob arith, test 2",
+	.insns = {
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 7),
+	BPF_MOV64_IMM(BPF_REG_1, 47),
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
+	BPF_MOV64_IMM(BPF_REG_1, 48),
+	BPF_ALU64_REG(BPF_SUB, BPF_REG_0, BPF_REG_1),
+	BPF_MOV64_IMM(BPF_REG_1, 1),
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
+	BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_0, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 1),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_array_48b = { 3 },
+	.result = ACCEPT,
+	.result_unpriv = REJECT,
+	.errstr_unpriv = "R0 pointer arithmetic of map value goes out of range",
+	.retval = 1,
+},
+{
+	"map access: value_ptr -= known scalar, lower oob arith, test 3",
+	.insns = {
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 5),
+	BPF_MOV64_IMM(BPF_REG_1, 47),
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
+	BPF_MOV64_IMM(BPF_REG_1, 47),
+	BPF_ALU64_REG(BPF_SUB, BPF_REG_0, BPF_REG_1),
+	BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_0, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 1),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_array_48b = { 3 },
+	.result = ACCEPT,
+	.retval = 1,
+},
+{
+	"map access: known scalar += value_ptr",
+	.insns = {
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 3),
+	BPF_MOV64_IMM(BPF_REG_1, 4),
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_0),
+	BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 1),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_array_48b = { 3 },
+	.result = ACCEPT,
+	.retval = 1,
+},
+{
+	"map access: value_ptr += known scalar, 1",
+	.insns = {
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 3),
+	BPF_MOV64_IMM(BPF_REG_1, 4),
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
+	BPF_LDX_MEM(BPF_B, BPF_REG_1, BPF_REG_0, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 1),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_array_48b = { 3 },
+	.result = ACCEPT,
+	.retval = 1,
+},
+{
+	"map access: value_ptr += known scalar, 2",
+	.insns = {
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 3),
+	BPF_MOV64_IMM(BPF_REG_1, 49),
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
+	BPF_LDX_MEM(BPF_B, BPF_REG_1, BPF_REG_0, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 1),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_array_48b = { 3 },
+	.result = REJECT,
+	.errstr = "invalid access to map value",
+},
+{
+	"map access: value_ptr += known scalar, 3",
+	.insns = {
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 3),
+	BPF_MOV64_IMM(BPF_REG_1, -1),
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
+	BPF_LDX_MEM(BPF_B, BPF_REG_1, BPF_REG_0, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 1),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_array_48b = { 3 },
+	.result = REJECT,
+	.errstr = "invalid access to map value",
+},
+{
+	"map access: value_ptr += known scalar, 4",
+	.insns = {
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 7),
+	BPF_MOV64_IMM(BPF_REG_1, 5),
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
+	BPF_MOV64_IMM(BPF_REG_1, -2),
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
+	BPF_MOV64_IMM(BPF_REG_1, -1),
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
+	BPF_LDX_MEM(BPF_B, BPF_REG_1, BPF_REG_0, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 1),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_array_48b = { 3 },
+	.result = ACCEPT,
+	.retval = 1,
+},
+{
+	"map access: value_ptr += known scalar, 5",
+	.insns = {
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 3),
+	BPF_MOV64_IMM(BPF_REG_1, (6 + 1) * sizeof(int)),
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_0),
+	BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, 0),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_array_48b = { 3 },
+	.result = ACCEPT,
+	.retval = 0xabcdef12,
+},
+{
+	"map access: value_ptr += known scalar, 6",
+	.insns = {
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 5),
+	BPF_MOV64_IMM(BPF_REG_1, (3 + 1) * sizeof(int)),
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
+	BPF_MOV64_IMM(BPF_REG_1, 3 * sizeof(int)),
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
+	BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_array_48b = { 3 },
+	.result = ACCEPT,
+	.retval = 0xabcdef12,
+},
+{
+	"map access: value_ptr += N, value_ptr -= N known scalar",
+	.insns = {
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 6),
+	BPF_MOV32_IMM(BPF_REG_1, 0x12345678),
+	BPF_STX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, 0),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 2),
+	BPF_MOV64_IMM(BPF_REG_1, 2),
+	BPF_ALU64_REG(BPF_SUB, BPF_REG_0, BPF_REG_1),
+	BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_array_48b = { 3 },
+	.result = ACCEPT,
+	.retval = 0x12345678,
+},
+{
+	"map access: unknown scalar += value_ptr, 1",
+	.insns = {
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 4),
+	BPF_LDX_MEM(BPF_B, BPF_REG_1, BPF_REG_0, 0),
+	BPF_ALU64_IMM(BPF_AND, BPF_REG_1, 0xf),
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_0),
+	BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 1),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_array_48b = { 3 },
+	.result = ACCEPT,
+	.retval = 1,
+},
+{
+	"map access: unknown scalar += value_ptr, 2",
+	.insns = {
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 4),
+	BPF_LDX_MEM(BPF_W, BPF_REG_1, BPF_REG_0, 0),
+	BPF_ALU64_IMM(BPF_AND, BPF_REG_1, 31),
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_0),
+	BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, 0),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_array_48b = { 3 },
+	.result = ACCEPT,
+	.retval = 0xabcdef12,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"map access: unknown scalar += value_ptr, 3",
+	.insns = {
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 8),
+	BPF_MOV64_IMM(BPF_REG_1, -1),
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
+	BPF_MOV64_IMM(BPF_REG_1, 1),
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
+	BPF_LDX_MEM(BPF_W, BPF_REG_1, BPF_REG_0, 0),
+	BPF_ALU64_IMM(BPF_AND, BPF_REG_1, 31),
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_0),
+	BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, 0),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_array_48b = { 3 },
+	.result = ACCEPT,
+	.result_unpriv = REJECT,
+	.errstr_unpriv = "R0 pointer arithmetic of map value goes out of range",
+	.retval = 0xabcdef12,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"map access: unknown scalar += value_ptr, 4",
+	.insns = {
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 6),
+	BPF_MOV64_IMM(BPF_REG_1, 19),
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
+	BPF_LDX_MEM(BPF_W, BPF_REG_1, BPF_REG_0, 0),
+	BPF_ALU64_IMM(BPF_AND, BPF_REG_1, 31),
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_0),
+	BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, 0),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_array_48b = { 3 },
+	.result = REJECT,
+	.errstr = "R1 max value is outside of the allowed memory range",
+	.errstr_unpriv = "R1 pointer arithmetic of map value goes out of range",
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"map access: value_ptr += unknown scalar, 1",
+	.insns = {
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 4),
+	BPF_LDX_MEM(BPF_B, BPF_REG_1, BPF_REG_0, 0),
+	BPF_ALU64_IMM(BPF_AND, BPF_REG_1, 0xf),
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
+	BPF_LDX_MEM(BPF_B, BPF_REG_1, BPF_REG_0, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 1),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_array_48b = { 3 },
+	.result = ACCEPT,
+	.retval = 1,
+},
+{
+	"map access: value_ptr += unknown scalar, 2",
+	.insns = {
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 4),
+	BPF_LDX_MEM(BPF_W, BPF_REG_1, BPF_REG_0, 0),
+	BPF_ALU64_IMM(BPF_AND, BPF_REG_1, 31),
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
+	BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_array_48b = { 3 },
+	.result = ACCEPT,
+	.retval = 0xabcdef12,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"map access: value_ptr += unknown scalar, 3",
+	.insns = {
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 11),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_0, 0),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_0, 8),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_3, BPF_REG_0, 16),
+	BPF_ALU64_IMM(BPF_AND, BPF_REG_1, 0xf),
+	BPF_ALU64_IMM(BPF_AND, BPF_REG_3, 1),
+	BPF_ALU64_IMM(BPF_OR, BPF_REG_3, 1),
+	BPF_JMP_REG(BPF_JGT, BPF_REG_2, BPF_REG_3, 4),
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_3),
+	BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_0, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 1),
+	BPF_EXIT_INSN(),
+	BPF_MOV64_IMM(BPF_REG_0, 2),
+	BPF_JMP_IMM(BPF_JA, 0, 0, -3),
+	},
+	.fixup_map_array_48b = { 3 },
+	.result = ACCEPT,
+	.retval = 1,
+},
+{
+	"map access: value_ptr += value_ptr",
+	.insns = {
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 2),
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_0),
+	BPF_LDX_MEM(BPF_B, BPF_REG_1, BPF_REG_0, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 1),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_array_48b = { 3 },
+	.result = REJECT,
+	.errstr = "R0 pointer += pointer prohibited",
+},
+{
+	"map access: known scalar -= value_ptr",
+	.insns = {
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 3),
+	BPF_MOV64_IMM(BPF_REG_1, 4),
+	BPF_ALU64_REG(BPF_SUB, BPF_REG_1, BPF_REG_0),
+	BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 1),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_array_48b = { 3 },
+	.result = REJECT,
+	.errstr = "R1 tried to subtract pointer from scalar",
+},
+{
+	"map access: value_ptr -= known scalar",
+	.insns = {
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 3),
+	BPF_MOV64_IMM(BPF_REG_1, 4),
+	BPF_ALU64_REG(BPF_SUB, BPF_REG_0, BPF_REG_1),
+	BPF_LDX_MEM(BPF_B, BPF_REG_1, BPF_REG_0, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 1),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_array_48b = { 3 },
+	.result = REJECT,
+	.errstr = "R0 min value is outside of the allowed memory range",
+},
+{
+	"map access: value_ptr -= known scalar, 2",
+	.insns = {
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 5),
+	BPF_MOV64_IMM(BPF_REG_1, 6),
+	BPF_MOV64_IMM(BPF_REG_2, 4),
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
+	BPF_ALU64_REG(BPF_SUB, BPF_REG_0, BPF_REG_2),
+	BPF_LDX_MEM(BPF_B, BPF_REG_1, BPF_REG_0, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 1),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_array_48b = { 3 },
+	.result = ACCEPT,
+	.retval = 1,
+},
+{
+	"map access: unknown scalar -= value_ptr",
+	.insns = {
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 4),
+	BPF_LDX_MEM(BPF_B, BPF_REG_1, BPF_REG_0, 0),
+	BPF_ALU64_IMM(BPF_AND, BPF_REG_1, 0xf),
+	BPF_ALU64_REG(BPF_SUB, BPF_REG_1, BPF_REG_0),
+	BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 1),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_array_48b = { 3 },
+	.result = REJECT,
+	.errstr = "R1 tried to subtract pointer from scalar",
+},
+{
+	"map access: value_ptr -= unknown scalar",
+	.insns = {
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 4),
+	BPF_LDX_MEM(BPF_B, BPF_REG_1, BPF_REG_0, 0),
+	BPF_ALU64_IMM(BPF_AND, BPF_REG_1, 0xf),
+	BPF_ALU64_REG(BPF_SUB, BPF_REG_0, BPF_REG_1),
+	BPF_LDX_MEM(BPF_B, BPF_REG_1, BPF_REG_0, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 1),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_array_48b = { 3 },
+	.result = REJECT,
+	.errstr = "R0 min value is negative",
+},
+{
+	"map access: value_ptr -= unknown scalar, 2",
+	.insns = {
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 8),
+	BPF_LDX_MEM(BPF_B, BPF_REG_1, BPF_REG_0, 0),
+	BPF_ALU64_IMM(BPF_AND, BPF_REG_1, 0xf),
+	BPF_ALU64_IMM(BPF_OR, BPF_REG_1, 0x7),
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
+	BPF_LDX_MEM(BPF_B, BPF_REG_1, BPF_REG_0, 0),
+	BPF_ALU64_IMM(BPF_AND, BPF_REG_1, 0x7),
+	BPF_ALU64_REG(BPF_SUB, BPF_REG_0, BPF_REG_1),
+	BPF_LDX_MEM(BPF_B, BPF_REG_1, BPF_REG_0, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 1),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_array_48b = { 3 },
+	.result = ACCEPT,
+	.result_unpriv = REJECT,
+	.errstr_unpriv = "R0 pointer arithmetic of map value goes out of range",
+	.retval = 1,
+},
+{
+	"map access: value_ptr -= value_ptr",
+	.insns = {
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 2),
+	BPF_ALU64_REG(BPF_SUB, BPF_REG_0, BPF_REG_0),
+	BPF_LDX_MEM(BPF_B, BPF_REG_1, BPF_REG_0, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 1),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_array_48b = { 3 },
+	.result = REJECT,
+	.errstr = "R0 invalid mem access 'scalar'",
+	.errstr_unpriv = "R0 pointer -= pointer prohibited",
+},
+{
+	"map access: trying to leak tainted dst reg",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
+	BPF_EXIT_INSN(),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_0),
+	BPF_MOV32_IMM(BPF_REG_1, 0xFFFFFFFF),
+	BPF_MOV32_REG(BPF_REG_1, BPF_REG_1),
+	BPF_ALU64_REG(BPF_SUB, BPF_REG_2, BPF_REG_1),
+	BPF_STX_MEM(BPF_DW, BPF_REG_0, BPF_REG_2, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_array_48b = { 4 },
+	.result = REJECT,
+	.errstr = "math between map_value pointer and 4294967295 is not allowed",
+},
+{
+	"32bit pkt_ptr -= scalar",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_8, BPF_REG_1,
+		    offsetof(struct __sk_buff, data_end)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_7, BPF_REG_1,
+		    offsetof(struct __sk_buff, data)),
+	BPF_MOV64_REG(BPF_REG_6, BPF_REG_7),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, 40),
+	BPF_JMP_REG(BPF_JGT, BPF_REG_6, BPF_REG_8, 2),
+	BPF_ALU32_REG(BPF_MOV, BPF_REG_4, BPF_REG_7),
+	BPF_ALU32_REG(BPF_SUB, BPF_REG_6, BPF_REG_4),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.result = ACCEPT,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"32bit scalar -= pkt_ptr",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_8, BPF_REG_1,
+		    offsetof(struct __sk_buff, data_end)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_7, BPF_REG_1,
+		    offsetof(struct __sk_buff, data)),
+	BPF_MOV64_REG(BPF_REG_6, BPF_REG_7),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_6, 40),
+	BPF_JMP_REG(BPF_JGT, BPF_REG_6, BPF_REG_8, 2),
+	BPF_ALU32_REG(BPF_MOV, BPF_REG_4, BPF_REG_6),
+	BPF_ALU32_REG(BPF_SUB, BPF_REG_4, BPF_REG_7),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.result = ACCEPT,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
diff --git a/tools/testing/selftests/bpf/verifier/var_off.c b/tools/testing/selftests/bpf/verifier/var_off.c
new file mode 100644
index 000000000..d37f512fa
--- /dev/null
+++ b/tools/testing/selftests/bpf/verifier/var_off.c
@@ -0,0 +1,343 @@
+{
+	"variable-offset ctx access",
+	.insns = {
+	/* Get an unknown value */
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, 0),
+	/* Make it small and 4-byte aligned */
+	BPF_ALU64_IMM(BPF_AND, BPF_REG_2, 4),
+	/* add it to skb.  We now have either &skb->len or
+	 * &skb->pkt_type, but we don't know which
+	 */
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_2),
+	/* dereference it */
+	BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, 0),
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "variable ctx access var_off=(0x0; 0x4)",
+	.result = REJECT,
+	.prog_type = BPF_PROG_TYPE_LWT_IN,
+},
+{
+	"variable-offset stack read, priv vs unpriv",
+	.insns = {
+	/* Fill the top 8 bytes of the stack */
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+	/* Get an unknown value */
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, 0),
+	/* Make it small and 4-byte aligned */
+	BPF_ALU64_IMM(BPF_AND, BPF_REG_2, 4),
+	BPF_ALU64_IMM(BPF_SUB, BPF_REG_2, 8),
+	/* add it to fp.  We now have either fp-4 or fp-8, but
+	 * we don't know which
+	 */
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_2, BPF_REG_10),
+	/* dereference it for a stack read */
+	BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_2, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.result_unpriv = REJECT,
+	.errstr_unpriv = "R2 variable stack access prohibited for !root",
+	.prog_type = BPF_PROG_TYPE_CGROUP_SKB,
+},
+{
+	"variable-offset stack read, uninitialized",
+	.insns = {
+	/* Get an unknown value */
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, 0),
+	/* Make it small and 4-byte aligned */
+	BPF_ALU64_IMM(BPF_AND, BPF_REG_2, 4),
+	BPF_ALU64_IMM(BPF_SUB, BPF_REG_2, 8),
+	/* add it to fp.  We now have either fp-4 or fp-8, but
+	 * we don't know which
+	 */
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_2, BPF_REG_10),
+	/* dereference it for a stack read */
+	BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_2, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = REJECT,
+	.errstr = "invalid variable-offset read from stack R2",
+	.prog_type = BPF_PROG_TYPE_LWT_IN,
+},
+{
+	"variable-offset stack write, priv vs unpriv",
+	.insns = {
+	/* Get an unknown value */
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, 0),
+	/* Make it small and 8-byte aligned */
+	BPF_ALU64_IMM(BPF_AND, BPF_REG_2, 8),
+	BPF_ALU64_IMM(BPF_SUB, BPF_REG_2, 16),
+	/* Add it to fp.  We now have either fp-8 or fp-16, but
+	 * we don't know which
+	 */
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_2, BPF_REG_10),
+	/* Dereference it for a stack write */
+	BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
+	/* Now read from the address we just wrote. This shows
+	 * that, after a variable-offset write, a priviledged
+	 * program can read the slots that were in the range of
+	 * that write (even if the verifier doesn't actually know
+	 * if the slot being read was really written to or not.
+	 */
+	BPF_LDX_MEM(BPF_DW, BPF_REG_3, BPF_REG_2, 0),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	/* Variable stack access is rejected for unprivileged.
+	 */
+	.errstr_unpriv = "R2 variable stack access prohibited for !root",
+	.result_unpriv = REJECT,
+	.result = ACCEPT,
+},
+{
+	"variable-offset stack write clobbers spilled regs",
+	.insns = {
+	/* Dummy instruction; needed because we need to patch the next one
+	 * and we can't patch the first instruction.
+	 */
+	BPF_MOV64_IMM(BPF_REG_6, 0),
+	/* Make R0 a map ptr */
+	BPF_LD_MAP_FD(BPF_REG_0, 0),
+	/* Get an unknown value */
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, 0),
+	/* Make it small and 8-byte aligned */
+	BPF_ALU64_IMM(BPF_AND, BPF_REG_2, 8),
+	BPF_ALU64_IMM(BPF_SUB, BPF_REG_2, 16),
+	/* Add it to fp. We now have either fp-8 or fp-16, but
+	 * we don't know which.
+	 */
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_2, BPF_REG_10),
+	/* Spill R0(map ptr) into stack */
+	BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -8),
+	/* Dereference the unknown value for a stack write */
+	BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
+	/* Fill the register back into R2 */
+	BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_10, -8),
+	/* Try to dereference R2 for a memory load */
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_2, 8),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_8b = { 1 },
+	/* The unprivileged case is not too interesting; variable
+	 * stack access is rejected.
+	 */
+	.errstr_unpriv = "R2 variable stack access prohibited for !root",
+	.result_unpriv = REJECT,
+	/* In the priviledged case, dereferencing a spilled-and-then-filled
+	 * register is rejected because the previous variable offset stack
+	 * write might have overwritten the spilled pointer (i.e. we lose track
+	 * of the spilled register when we analyze the write).
+	 */
+	.errstr = "R2 invalid mem access 'scalar'",
+	.result = REJECT,
+},
+{
+	"indirect variable-offset stack access, unbounded",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_2, 6),
+	BPF_MOV64_IMM(BPF_REG_3, 28),
+	/* Fill the top 16 bytes of the stack. */
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -16, 0),
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+	/* Get an unknown value. */
+	BPF_LDX_MEM(BPF_DW, BPF_REG_4, BPF_REG_1, offsetof(struct bpf_sock_ops,
+							   bytes_received)),
+	/* Check the lower bound but don't check the upper one. */
+	BPF_JMP_IMM(BPF_JSLT, BPF_REG_4, 0, 4),
+	/* Point the lower bound to initialized stack. Offset is now in range
+	 * from fp-16 to fp+0x7fffffffffffffef, i.e. max value is unbounded.
+	 */
+	BPF_ALU64_IMM(BPF_SUB, BPF_REG_4, 16),
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_4, BPF_REG_10),
+	BPF_MOV64_IMM(BPF_REG_5, 8),
+	/* Dereference it indirectly. */
+	BPF_EMIT_CALL(BPF_FUNC_getsockopt),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "invalid unbounded variable-offset indirect access to stack R4",
+	.result = REJECT,
+	.prog_type = BPF_PROG_TYPE_SOCK_OPS,
+},
+{
+	"indirect variable-offset stack access, max out of bound",
+	.insns = {
+	/* Fill the top 8 bytes of the stack */
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+	/* Get an unknown value */
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, 0),
+	/* Make it small and 4-byte aligned */
+	BPF_ALU64_IMM(BPF_AND, BPF_REG_2, 4),
+	BPF_ALU64_IMM(BPF_SUB, BPF_REG_2, 8),
+	/* add it to fp.  We now have either fp-4 or fp-8, but
+	 * we don't know which
+	 */
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_2, BPF_REG_10),
+	/* dereference it indirectly */
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_8b = { 5 },
+	.errstr = "invalid variable-offset indirect access to stack R2",
+	.result = REJECT,
+	.prog_type = BPF_PROG_TYPE_LWT_IN,
+},
+{
+	"indirect variable-offset stack access, min out of bound",
+	.insns = {
+	/* Fill the top 8 bytes of the stack */
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+	/* Get an unknown value */
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, 0),
+	/* Make it small and 4-byte aligned */
+	BPF_ALU64_IMM(BPF_AND, BPF_REG_2, 4),
+	BPF_ALU64_IMM(BPF_SUB, BPF_REG_2, 516),
+	/* add it to fp.  We now have either fp-516 or fp-512, but
+	 * we don't know which
+	 */
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_2, BPF_REG_10),
+	/* dereference it indirectly */
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_8b = { 5 },
+	.errstr = "invalid variable-offset indirect access to stack R2",
+	.result = REJECT,
+	.prog_type = BPF_PROG_TYPE_LWT_IN,
+},
+{
+	"indirect variable-offset stack access, max_off+size > max_initialized",
+	.insns = {
+	/* Fill only the second from top 8 bytes of the stack. */
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -16, 0),
+	/* Get an unknown value. */
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, 0),
+	/* Make it small and 4-byte aligned. */
+	BPF_ALU64_IMM(BPF_AND, BPF_REG_2, 4),
+	BPF_ALU64_IMM(BPF_SUB, BPF_REG_2, 16),
+	/* Add it to fp.  We now have either fp-12 or fp-16, but we don't know
+	 * which. fp-12 size 8 is partially uninitialized stack.
+	 */
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_2, BPF_REG_10),
+	/* Dereference it indirectly. */
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_8b = { 5 },
+	.errstr = "invalid indirect read from stack R2 var_off",
+	.result = REJECT,
+	.prog_type = BPF_PROG_TYPE_LWT_IN,
+},
+{
+	"indirect variable-offset stack access, min_off < min_initialized",
+	.insns = {
+	/* Fill only the top 8 bytes of the stack. */
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+	/* Get an unknown value */
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, 0),
+	/* Make it small and 4-byte aligned. */
+	BPF_ALU64_IMM(BPF_AND, BPF_REG_2, 4),
+	BPF_ALU64_IMM(BPF_SUB, BPF_REG_2, 16),
+	/* Add it to fp.  We now have either fp-12 or fp-16, but we don't know
+	 * which. fp-16 size 8 is partially uninitialized stack.
+	 */
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_2, BPF_REG_10),
+	/* Dereference it indirectly. */
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_8b = { 5 },
+	.errstr = "invalid indirect read from stack R2 var_off",
+	.result = REJECT,
+	.prog_type = BPF_PROG_TYPE_LWT_IN,
+},
+{
+	"indirect variable-offset stack access, priv vs unpriv",
+	.insns = {
+	/* Fill the top 16 bytes of the stack. */
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -16, 0),
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+	/* Get an unknown value. */
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, 0),
+	/* Make it small and 4-byte aligned. */
+	BPF_ALU64_IMM(BPF_AND, BPF_REG_2, 4),
+	BPF_ALU64_IMM(BPF_SUB, BPF_REG_2, 16),
+	/* Add it to fp.  We now have either fp-12 or fp-16, we don't know
+	 * which, but either way it points to initialized stack.
+	 */
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_2, BPF_REG_10),
+	/* Dereference it indirectly. */
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_8b = { 6 },
+	.errstr_unpriv = "R2 variable stack access prohibited for !root",
+	.result_unpriv = REJECT,
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_CGROUP_SKB,
+},
+{
+	"indirect variable-offset stack access, uninitialized",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_2, 6),
+	BPF_MOV64_IMM(BPF_REG_3, 28),
+	/* Fill the top 16 bytes of the stack. */
+	BPF_ST_MEM(BPF_W, BPF_REG_10, -16, 0),
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+	/* Get an unknown value. */
+	BPF_LDX_MEM(BPF_W, BPF_REG_4, BPF_REG_1, 0),
+	/* Make it small and 4-byte aligned. */
+	BPF_ALU64_IMM(BPF_AND, BPF_REG_4, 4),
+	BPF_ALU64_IMM(BPF_SUB, BPF_REG_4, 16),
+	/* Add it to fp.  We now have either fp-12 or fp-16, we don't know
+	 * which, but either way it points to initialized stack.
+	 */
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_4, BPF_REG_10),
+	BPF_MOV64_IMM(BPF_REG_5, 8),
+	/* Dereference it indirectly. */
+	BPF_EMIT_CALL(BPF_FUNC_getsockopt),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "invalid indirect read from stack R4 var_off",
+	.result = REJECT,
+	.prog_type = BPF_PROG_TYPE_SOCK_OPS,
+},
+{
+	"indirect variable-offset stack access, ok",
+	.insns = {
+	/* Fill the top 16 bytes of the stack. */
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -16, 0),
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+	/* Get an unknown value. */
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, 0),
+	/* Make it small and 4-byte aligned. */
+	BPF_ALU64_IMM(BPF_AND, BPF_REG_2, 4),
+	BPF_ALU64_IMM(BPF_SUB, BPF_REG_2, 16),
+	/* Add it to fp.  We now have either fp-12 or fp-16, we don't know
+	 * which, but either way it points to initialized stack.
+	 */
+	BPF_ALU64_REG(BPF_ADD, BPF_REG_2, BPF_REG_10),
+	/* Dereference it indirectly. */
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_8b = { 6 },
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_LWT_IN,
+},
diff --git a/tools/testing/selftests/bpf/verifier/wide_access.c b/tools/testing/selftests/bpf/verifier/wide_access.c
new file mode 100644
index 000000000..55af248ef
--- /dev/null
+++ b/tools/testing/selftests/bpf/verifier/wide_access.c
@@ -0,0 +1,83 @@
+#define BPF_SOCK_ADDR_STORE(field, off, res, err, flgs)	\
+{ \
+	"wide store to bpf_sock_addr." #field "[" #off "]", \
+	.insns = { \
+	BPF_MOV64_IMM(BPF_REG_0, 1), \
+	BPF_STX_MEM(BPF_DW, BPF_REG_1, BPF_REG_0, \
+		    offsetof(struct bpf_sock_addr, field[off])), \
+	BPF_EXIT_INSN(), \
+	}, \
+	.result = res, \
+	.prog_type = BPF_PROG_TYPE_CGROUP_SOCK_ADDR, \
+	.expected_attach_type = BPF_CGROUP_UDP6_SENDMSG, \
+	.errstr = err, \
+	.flags = flgs, \
+}
+
+/* user_ip6[0] is u64 aligned */
+BPF_SOCK_ADDR_STORE(user_ip6, 0, ACCEPT,
+		    NULL, 0),
+BPF_SOCK_ADDR_STORE(user_ip6, 1, REJECT,
+		    "invalid bpf_context access off=12 size=8",
+		    F_NEEDS_EFFICIENT_UNALIGNED_ACCESS),
+BPF_SOCK_ADDR_STORE(user_ip6, 2, ACCEPT,
+		    NULL, 0),
+BPF_SOCK_ADDR_STORE(user_ip6, 3, REJECT,
+		    "invalid bpf_context access off=20 size=8",
+		    F_NEEDS_EFFICIENT_UNALIGNED_ACCESS),
+
+/* msg_src_ip6[0] is _not_ u64 aligned */
+BPF_SOCK_ADDR_STORE(msg_src_ip6, 0, REJECT,
+		    "invalid bpf_context access off=44 size=8",
+		    F_NEEDS_EFFICIENT_UNALIGNED_ACCESS),
+BPF_SOCK_ADDR_STORE(msg_src_ip6, 1, ACCEPT,
+		    NULL, 0),
+BPF_SOCK_ADDR_STORE(msg_src_ip6, 2, REJECT,
+		    "invalid bpf_context access off=52 size=8",
+		    F_NEEDS_EFFICIENT_UNALIGNED_ACCESS),
+BPF_SOCK_ADDR_STORE(msg_src_ip6, 3, REJECT,
+		    "invalid bpf_context access off=56 size=8", 0),
+
+#undef BPF_SOCK_ADDR_STORE
+
+#define BPF_SOCK_ADDR_LOAD(field, off, res, err, flgs)	\
+{ \
+	"wide load from bpf_sock_addr." #field "[" #off "]", \
+	.insns = { \
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, \
+		    offsetof(struct bpf_sock_addr, field[off])), \
+	BPF_MOV64_IMM(BPF_REG_0, 1), \
+	BPF_EXIT_INSN(), \
+	}, \
+	.result = res, \
+	.prog_type = BPF_PROG_TYPE_CGROUP_SOCK_ADDR, \
+	.expected_attach_type = BPF_CGROUP_UDP6_SENDMSG, \
+	.errstr = err, \
+	.flags = flgs, \
+}
+
+/* user_ip6[0] is u64 aligned */
+BPF_SOCK_ADDR_LOAD(user_ip6, 0, ACCEPT,
+		   NULL, 0),
+BPF_SOCK_ADDR_LOAD(user_ip6, 1, REJECT,
+		   "invalid bpf_context access off=12 size=8",
+		    F_NEEDS_EFFICIENT_UNALIGNED_ACCESS),
+BPF_SOCK_ADDR_LOAD(user_ip6, 2, ACCEPT,
+		   NULL, 0),
+BPF_SOCK_ADDR_LOAD(user_ip6, 3, REJECT,
+		   "invalid bpf_context access off=20 size=8",
+		    F_NEEDS_EFFICIENT_UNALIGNED_ACCESS),
+
+/* msg_src_ip6[0] is _not_ u64 aligned */
+BPF_SOCK_ADDR_LOAD(msg_src_ip6, 0, REJECT,
+		   "invalid bpf_context access off=44 size=8",
+		    F_NEEDS_EFFICIENT_UNALIGNED_ACCESS),
+BPF_SOCK_ADDR_LOAD(msg_src_ip6, 1, ACCEPT,
+		   NULL, 0),
+BPF_SOCK_ADDR_LOAD(msg_src_ip6, 2, REJECT,
+		   "invalid bpf_context access off=52 size=8",
+		    F_NEEDS_EFFICIENT_UNALIGNED_ACCESS),
+BPF_SOCK_ADDR_LOAD(msg_src_ip6, 3, REJECT,
+		   "invalid bpf_context access off=56 size=8", 0),
+
+#undef BPF_SOCK_ADDR_LOAD
diff --git a/tools/testing/selftests/bpf/verifier/xadd.c b/tools/testing/selftests/bpf/verifier/xadd.c
new file mode 100644
index 000000000..b96ef3526
--- /dev/null
+++ b/tools/testing/selftests/bpf/verifier/xadd.c
@@ -0,0 +1,97 @@
+{
+	"xadd/w check unaligned stack",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_0, 1),
+	BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -8),
+	BPF_ATOMIC_OP(BPF_W, BPF_ADD, BPF_REG_10, BPF_REG_0, -7),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_10, -8),
+	BPF_EXIT_INSN(),
+	},
+	.result = REJECT,
+	.errstr = "misaligned stack access off",
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+},
+{
+	"xadd/w check unaligned map",
+	.insns = {
+	BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+	BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+	BPF_LD_MAP_FD(BPF_REG_1, 0),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
+	BPF_EXIT_INSN(),
+	BPF_MOV64_IMM(BPF_REG_1, 1),
+	BPF_ATOMIC_OP(BPF_W, BPF_ADD, BPF_REG_0, BPF_REG_1, 3),
+	BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_0, 3),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_hash_8b = { 3 },
+	.result = REJECT,
+	.errstr = "misaligned value access off",
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+},
+{
+	"xadd/w check unaligned pkt",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, offsetof(struct xdp_md, data)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+		    offsetof(struct xdp_md, data_end)),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
+	BPF_JMP_REG(BPF_JLT, BPF_REG_1, BPF_REG_3, 2),
+	BPF_MOV64_IMM(BPF_REG_0, 99),
+	BPF_JMP_IMM(BPF_JA, 0, 0, 6),
+	BPF_MOV64_IMM(BPF_REG_0, 1),
+	BPF_ST_MEM(BPF_W, BPF_REG_2, 0, 0),
+	BPF_ST_MEM(BPF_W, BPF_REG_2, 3, 0),
+	BPF_ATOMIC_OP(BPF_W, BPF_ADD, BPF_REG_2, BPF_REG_0, 1),
+	BPF_ATOMIC_OP(BPF_W, BPF_ADD, BPF_REG_2, BPF_REG_0, 2),
+	BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_2, 1),
+	BPF_EXIT_INSN(),
+	},
+	.result = REJECT,
+	.errstr = "BPF_ATOMIC stores into R2 pkt is not allowed",
+	.prog_type = BPF_PROG_TYPE_XDP,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"xadd/w check whether src/dst got mangled, 1",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_0, 1),
+	BPF_MOV64_REG(BPF_REG_6, BPF_REG_0),
+	BPF_MOV64_REG(BPF_REG_7, BPF_REG_10),
+	BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -8),
+	BPF_ATOMIC_OP(BPF_DW, BPF_ADD, BPF_REG_10, BPF_REG_0, -8),
+	BPF_ATOMIC_OP(BPF_DW, BPF_ADD, BPF_REG_10, BPF_REG_0, -8),
+	BPF_JMP_REG(BPF_JNE, BPF_REG_6, BPF_REG_0, 3),
+	BPF_JMP_REG(BPF_JNE, BPF_REG_7, BPF_REG_10, 2),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_10, -8),
+	BPF_EXIT_INSN(),
+	BPF_MOV64_IMM(BPF_REG_0, 42),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.retval = 3,
+},
+{
+	"xadd/w check whether src/dst got mangled, 2",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_0, 1),
+	BPF_MOV64_REG(BPF_REG_6, BPF_REG_0),
+	BPF_MOV64_REG(BPF_REG_7, BPF_REG_10),
+	BPF_STX_MEM(BPF_W, BPF_REG_10, BPF_REG_0, -8),
+	BPF_ATOMIC_OP(BPF_W, BPF_ADD, BPF_REG_10, BPF_REG_0, -8),
+	BPF_ATOMIC_OP(BPF_W, BPF_ADD, BPF_REG_10, BPF_REG_0, -8),
+	BPF_JMP_REG(BPF_JNE, BPF_REG_6, BPF_REG_0, 3),
+	BPF_JMP_REG(BPF_JNE, BPF_REG_7, BPF_REG_10, 2),
+	BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_10, -8),
+	BPF_EXIT_INSN(),
+	BPF_MOV64_IMM(BPF_REG_0, 42),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.retval = 3,
+},
diff --git a/tools/testing/selftests/bpf/verifier/xdp.c b/tools/testing/selftests/bpf/verifier/xdp.c
new file mode 100644
index 000000000..5ac390508
--- /dev/null
+++ b/tools/testing/selftests/bpf/verifier/xdp.c
@@ -0,0 +1,14 @@
+{
+	"XDP, using ifindex from netdev",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+		    offsetof(struct xdp_md, ingress_ifindex)),
+	BPF_JMP_IMM(BPF_JLT, BPF_REG_2, 1, 1),
+	BPF_MOV64_IMM(BPF_REG_0, 1),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_XDP,
+	.retval = 1,
+},
diff --git a/tools/testing/selftests/bpf/verifier/xdp_direct_packet_access.c b/tools/testing/selftests/bpf/verifier/xdp_direct_packet_access.c
new file mode 100644
index 000000000..b4ec228eb
--- /dev/null
+++ b/tools/testing/selftests/bpf/verifier/xdp_direct_packet_access.c
@@ -0,0 +1,1468 @@
+{
+	"XDP pkt read, pkt_end mangling, bad access 1",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, offsetof(struct xdp_md, data)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+		    offsetof(struct xdp_md, data_end)),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_3, 8),
+	BPF_JMP_REG(BPF_JGT, BPF_REG_1, BPF_REG_3, 1),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -8),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "R3 pointer arithmetic on pkt_end",
+	.result = REJECT,
+	.prog_type = BPF_PROG_TYPE_XDP,
+},
+{
+	"XDP pkt read, pkt_end mangling, bad access 2",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, offsetof(struct xdp_md, data)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+		    offsetof(struct xdp_md, data_end)),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
+	BPF_ALU64_IMM(BPF_SUB, BPF_REG_3, 8),
+	BPF_JMP_REG(BPF_JGT, BPF_REG_1, BPF_REG_3, 1),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -8),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "R3 pointer arithmetic on pkt_end",
+	.result = REJECT,
+	.prog_type = BPF_PROG_TYPE_XDP,
+},
+{
+	"XDP pkt read, pkt_data' > pkt_end, corner case, good access",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, offsetof(struct xdp_md, data)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+		    offsetof(struct xdp_md, data_end)),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
+	BPF_JMP_REG(BPF_JGT, BPF_REG_1, BPF_REG_3, 1),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -8),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_XDP,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"XDP pkt read, pkt_data' > pkt_end, bad access 1",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, offsetof(struct xdp_md, data)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+		    offsetof(struct xdp_md, data_end)),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
+	BPF_JMP_REG(BPF_JGT, BPF_REG_1, BPF_REG_3, 1),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -4),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "R1 offset is outside of the packet",
+	.result = REJECT,
+	.prog_type = BPF_PROG_TYPE_XDP,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"XDP pkt read, pkt_data' > pkt_end, bad access 2",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, offsetof(struct xdp_md, data)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+		    offsetof(struct xdp_md, data_end)),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
+	BPF_JMP_REG(BPF_JGT, BPF_REG_1, BPF_REG_3, 0),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -8),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "R1 offset is outside of the packet",
+	.result = REJECT,
+	.prog_type = BPF_PROG_TYPE_XDP,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"XDP pkt read, pkt_data' > pkt_end, corner case +1, good access",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, offsetof(struct xdp_md, data)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+		    offsetof(struct xdp_md, data_end)),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 9),
+	BPF_JMP_REG(BPF_JGT, BPF_REG_1, BPF_REG_3, 1),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -9),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_XDP,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"XDP pkt read, pkt_data' > pkt_end, corner case -1, bad access",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, offsetof(struct xdp_md, data)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+		    offsetof(struct xdp_md, data_end)),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 7),
+	BPF_JMP_REG(BPF_JGT, BPF_REG_1, BPF_REG_3, 1),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -7),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "R1 offset is outside of the packet",
+	.result = REJECT,
+	.prog_type = BPF_PROG_TYPE_XDP,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"XDP pkt read, pkt_end > pkt_data', good access",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, offsetof(struct xdp_md, data)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+		    offsetof(struct xdp_md, data_end)),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
+	BPF_JMP_REG(BPF_JGT, BPF_REG_3, BPF_REG_1, 1),
+	BPF_JMP_IMM(BPF_JA, 0, 0, 1),
+	BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, -5),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_XDP,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"XDP pkt read, pkt_end > pkt_data', corner case -1, bad access",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, offsetof(struct xdp_md, data)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+		    offsetof(struct xdp_md, data_end)),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 6),
+	BPF_JMP_REG(BPF_JGT, BPF_REG_3, BPF_REG_1, 1),
+	BPF_JMP_IMM(BPF_JA, 0, 0, 1),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -6),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "R1 offset is outside of the packet",
+	.result = REJECT,
+	.prog_type = BPF_PROG_TYPE_XDP,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"XDP pkt read, pkt_end > pkt_data', bad access 2",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, offsetof(struct xdp_md, data)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+		    offsetof(struct xdp_md, data_end)),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
+	BPF_JMP_REG(BPF_JGT, BPF_REG_3, BPF_REG_1, 1),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -8),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "R1 offset is outside of the packet",
+	.result = REJECT,
+	.prog_type = BPF_PROG_TYPE_XDP,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"XDP pkt read, pkt_end > pkt_data', corner case, good access",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, offsetof(struct xdp_md, data)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+		    offsetof(struct xdp_md, data_end)),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 7),
+	BPF_JMP_REG(BPF_JGT, BPF_REG_3, BPF_REG_1, 1),
+	BPF_JMP_IMM(BPF_JA, 0, 0, 1),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -7),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_XDP,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"XDP pkt read, pkt_end > pkt_data', corner case +1, good access",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, offsetof(struct xdp_md, data)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+		    offsetof(struct xdp_md, data_end)),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
+	BPF_JMP_REG(BPF_JGT, BPF_REG_3, BPF_REG_1, 1),
+	BPF_JMP_IMM(BPF_JA, 0, 0, 1),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -8),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_XDP,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"XDP pkt read, pkt_data' < pkt_end, good access",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, offsetof(struct xdp_md, data)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+		    offsetof(struct xdp_md, data_end)),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
+	BPF_JMP_REG(BPF_JLT, BPF_REG_1, BPF_REG_3, 1),
+	BPF_JMP_IMM(BPF_JA, 0, 0, 1),
+	BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, -5),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_XDP,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"XDP pkt read, pkt_data' < pkt_end, corner case -1, bad access",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, offsetof(struct xdp_md, data)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+		    offsetof(struct xdp_md, data_end)),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 6),
+	BPF_JMP_REG(BPF_JLT, BPF_REG_1, BPF_REG_3, 1),
+	BPF_JMP_IMM(BPF_JA, 0, 0, 1),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -6),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "R1 offset is outside of the packet",
+	.result = REJECT,
+	.prog_type = BPF_PROG_TYPE_XDP,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"XDP pkt read, pkt_data' < pkt_end, bad access 2",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, offsetof(struct xdp_md, data)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+		    offsetof(struct xdp_md, data_end)),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
+	BPF_JMP_REG(BPF_JLT, BPF_REG_1, BPF_REG_3, 1),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -8),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "R1 offset is outside of the packet",
+	.result = REJECT,
+	.prog_type = BPF_PROG_TYPE_XDP,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"XDP pkt read, pkt_data' < pkt_end, corner case, good access",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, offsetof(struct xdp_md, data)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+		    offsetof(struct xdp_md, data_end)),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 7),
+	BPF_JMP_REG(BPF_JLT, BPF_REG_1, BPF_REG_3, 1),
+	BPF_JMP_IMM(BPF_JA, 0, 0, 1),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -7),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_XDP,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"XDP pkt read, pkt_data' < pkt_end, corner case +1, good access",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, offsetof(struct xdp_md, data)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+		    offsetof(struct xdp_md, data_end)),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
+	BPF_JMP_REG(BPF_JLT, BPF_REG_1, BPF_REG_3, 1),
+	BPF_JMP_IMM(BPF_JA, 0, 0, 1),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -8),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_XDP,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"XDP pkt read, pkt_end < pkt_data', corner case, good access",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, offsetof(struct xdp_md, data)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+		    offsetof(struct xdp_md, data_end)),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
+	BPF_JMP_REG(BPF_JLT, BPF_REG_3, BPF_REG_1, 1),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -8),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_XDP,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"XDP pkt read, pkt_end < pkt_data', bad access 1",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, offsetof(struct xdp_md, data)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+		    offsetof(struct xdp_md, data_end)),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
+	BPF_JMP_REG(BPF_JLT, BPF_REG_3, BPF_REG_1, 1),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -4),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "R1 offset is outside of the packet",
+	.result = REJECT,
+	.prog_type = BPF_PROG_TYPE_XDP,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"XDP pkt read, pkt_end < pkt_data', bad access 2",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, offsetof(struct xdp_md, data)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+		    offsetof(struct xdp_md, data_end)),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
+	BPF_JMP_REG(BPF_JLT, BPF_REG_3, BPF_REG_1, 0),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -8),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "R1 offset is outside of the packet",
+	.result = REJECT,
+	.prog_type = BPF_PROG_TYPE_XDP,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"XDP pkt read, pkt_end < pkt_data', corner case +1, good access",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, offsetof(struct xdp_md, data)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+		    offsetof(struct xdp_md, data_end)),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 9),
+	BPF_JMP_REG(BPF_JLT, BPF_REG_3, BPF_REG_1, 1),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -9),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_XDP,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"XDP pkt read, pkt_end < pkt_data', corner case -1, bad access",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, offsetof(struct xdp_md, data)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+		    offsetof(struct xdp_md, data_end)),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 7),
+	BPF_JMP_REG(BPF_JLT, BPF_REG_3, BPF_REG_1, 1),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -7),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "R1 offset is outside of the packet",
+	.result = REJECT,
+	.prog_type = BPF_PROG_TYPE_XDP,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"XDP pkt read, pkt_data' >= pkt_end, good access",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, offsetof(struct xdp_md, data)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+		    offsetof(struct xdp_md, data_end)),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
+	BPF_JMP_REG(BPF_JGE, BPF_REG_1, BPF_REG_3, 1),
+	BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, -5),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_XDP,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"XDP pkt read, pkt_data' >= pkt_end, corner case -1, bad access",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, offsetof(struct xdp_md, data)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+		    offsetof(struct xdp_md, data_end)),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 6),
+	BPF_JMP_REG(BPF_JGE, BPF_REG_1, BPF_REG_3, 1),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -6),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "R1 offset is outside of the packet",
+	.result = REJECT,
+	.prog_type = BPF_PROG_TYPE_XDP,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"XDP pkt read, pkt_data' >= pkt_end, bad access 2",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, offsetof(struct xdp_md, data)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+		    offsetof(struct xdp_md, data_end)),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
+	BPF_JMP_REG(BPF_JGE, BPF_REG_1, BPF_REG_3, 0),
+	BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, -5),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "R1 offset is outside of the packet",
+	.result = REJECT,
+	.prog_type = BPF_PROG_TYPE_XDP,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"XDP pkt read, pkt_data' >= pkt_end, corner case, good access",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, offsetof(struct xdp_md, data)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+		    offsetof(struct xdp_md, data_end)),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 7),
+	BPF_JMP_REG(BPF_JGE, BPF_REG_1, BPF_REG_3, 1),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -7),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_XDP,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"XDP pkt read, pkt_data' >= pkt_end, corner case +1, good access",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, offsetof(struct xdp_md, data)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+		    offsetof(struct xdp_md, data_end)),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
+	BPF_JMP_REG(BPF_JGE, BPF_REG_1, BPF_REG_3, 1),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -8),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_XDP,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"XDP pkt read, pkt_end >= pkt_data', corner case, good access",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, offsetof(struct xdp_md, data)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+		    offsetof(struct xdp_md, data_end)),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
+	BPF_JMP_REG(BPF_JGE, BPF_REG_3, BPF_REG_1, 1),
+	BPF_JMP_IMM(BPF_JA, 0, 0, 1),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -8),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_XDP,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"XDP pkt read, pkt_end >= pkt_data', bad access 1",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, offsetof(struct xdp_md, data)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+		    offsetof(struct xdp_md, data_end)),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
+	BPF_JMP_REG(BPF_JGE, BPF_REG_3, BPF_REG_1, 1),
+	BPF_JMP_IMM(BPF_JA, 0, 0, 1),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -4),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "R1 offset is outside of the packet",
+	.result = REJECT,
+	.prog_type = BPF_PROG_TYPE_XDP,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"XDP pkt read, pkt_end >= pkt_data', bad access 2",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, offsetof(struct xdp_md, data)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+		    offsetof(struct xdp_md, data_end)),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
+	BPF_JMP_REG(BPF_JGE, BPF_REG_3, BPF_REG_1, 1),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -8),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "R1 offset is outside of the packet",
+	.result = REJECT,
+	.prog_type = BPF_PROG_TYPE_XDP,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"XDP pkt read, pkt_end >= pkt_data', corner case +1, good access",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, offsetof(struct xdp_md, data)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+		    offsetof(struct xdp_md, data_end)),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 9),
+	BPF_JMP_REG(BPF_JGE, BPF_REG_3, BPF_REG_1, 1),
+	BPF_JMP_IMM(BPF_JA, 0, 0, 1),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -9),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_XDP,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"XDP pkt read, pkt_end >= pkt_data', corner case -1, bad access",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, offsetof(struct xdp_md, data)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+		    offsetof(struct xdp_md, data_end)),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 7),
+	BPF_JMP_REG(BPF_JGE, BPF_REG_3, BPF_REG_1, 1),
+	BPF_JMP_IMM(BPF_JA, 0, 0, 1),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -7),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "R1 offset is outside of the packet",
+	.result = REJECT,
+	.prog_type = BPF_PROG_TYPE_XDP,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"XDP pkt read, pkt_data' <= pkt_end, corner case, good access",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, offsetof(struct xdp_md, data)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+		    offsetof(struct xdp_md, data_end)),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
+	BPF_JMP_REG(BPF_JLE, BPF_REG_1, BPF_REG_3, 1),
+	BPF_JMP_IMM(BPF_JA, 0, 0, 1),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -8),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_XDP,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"XDP pkt read, pkt_data' <= pkt_end, bad access 1",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, offsetof(struct xdp_md, data)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+		    offsetof(struct xdp_md, data_end)),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
+	BPF_JMP_REG(BPF_JLE, BPF_REG_1, BPF_REG_3, 1),
+	BPF_JMP_IMM(BPF_JA, 0, 0, 1),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -4),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "R1 offset is outside of the packet",
+	.result = REJECT,
+	.prog_type = BPF_PROG_TYPE_XDP,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"XDP pkt read, pkt_data' <= pkt_end, bad access 2",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, offsetof(struct xdp_md, data)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+		    offsetof(struct xdp_md, data_end)),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
+	BPF_JMP_REG(BPF_JLE, BPF_REG_1, BPF_REG_3, 1),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -8),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "R1 offset is outside of the packet",
+	.result = REJECT,
+	.prog_type = BPF_PROG_TYPE_XDP,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"XDP pkt read, pkt_data' <= pkt_end, corner case +1, good access",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, offsetof(struct xdp_md, data)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+		    offsetof(struct xdp_md, data_end)),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 9),
+	BPF_JMP_REG(BPF_JLE, BPF_REG_1, BPF_REG_3, 1),
+	BPF_JMP_IMM(BPF_JA, 0, 0, 1),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -9),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_XDP,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"XDP pkt read, pkt_data' <= pkt_end, corner case -1, bad access",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, offsetof(struct xdp_md, data)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+		    offsetof(struct xdp_md, data_end)),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 7),
+	BPF_JMP_REG(BPF_JLE, BPF_REG_1, BPF_REG_3, 1),
+	BPF_JMP_IMM(BPF_JA, 0, 0, 1),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -7),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "R1 offset is outside of the packet",
+	.result = REJECT,
+	.prog_type = BPF_PROG_TYPE_XDP,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"XDP pkt read, pkt_end <= pkt_data', good access",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, offsetof(struct xdp_md, data)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+		    offsetof(struct xdp_md, data_end)),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
+	BPF_JMP_REG(BPF_JLE, BPF_REG_3, BPF_REG_1, 1),
+	BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, -5),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_XDP,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"XDP pkt read, pkt_end <= pkt_data', corner case -1, bad access",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, offsetof(struct xdp_md, data)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+		    offsetof(struct xdp_md, data_end)),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 6),
+	BPF_JMP_REG(BPF_JLE, BPF_REG_3, BPF_REG_1, 1),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -6),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "R1 offset is outside of the packet",
+	.result = REJECT,
+	.prog_type = BPF_PROG_TYPE_XDP,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"XDP pkt read, pkt_end <= pkt_data', bad access 2",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, offsetof(struct xdp_md, data)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+		    offsetof(struct xdp_md, data_end)),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
+	BPF_JMP_REG(BPF_JLE, BPF_REG_3, BPF_REG_1, 0),
+	BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, -5),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "R1 offset is outside of the packet",
+	.result = REJECT,
+	.prog_type = BPF_PROG_TYPE_XDP,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"XDP pkt read, pkt_end <= pkt_data', corner case, good access",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, offsetof(struct xdp_md, data)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+		    offsetof(struct xdp_md, data_end)),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 7),
+	BPF_JMP_REG(BPF_JLE, BPF_REG_3, BPF_REG_1, 1),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -7),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_XDP,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"XDP pkt read, pkt_end <= pkt_data', corner case +1, good access",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, offsetof(struct xdp_md, data)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+		    offsetof(struct xdp_md, data_end)),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
+	BPF_JMP_REG(BPF_JLE, BPF_REG_3, BPF_REG_1, 1),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -8),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_XDP,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"XDP pkt read, pkt_meta' > pkt_data, corner case, good access",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+		    offsetof(struct xdp_md, data_meta)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, offsetof(struct xdp_md, data)),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
+	BPF_JMP_REG(BPF_JGT, BPF_REG_1, BPF_REG_3, 1),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -8),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_XDP,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"XDP pkt read, pkt_meta' > pkt_data, bad access 1",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+		    offsetof(struct xdp_md, data_meta)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, offsetof(struct xdp_md, data)),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
+	BPF_JMP_REG(BPF_JGT, BPF_REG_1, BPF_REG_3, 1),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -4),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "R1 offset is outside of the packet",
+	.result = REJECT,
+	.prog_type = BPF_PROG_TYPE_XDP,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"XDP pkt read, pkt_meta' > pkt_data, bad access 2",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+		    offsetof(struct xdp_md, data_meta)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, offsetof(struct xdp_md, data)),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
+	BPF_JMP_REG(BPF_JGT, BPF_REG_1, BPF_REG_3, 0),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -8),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "R1 offset is outside of the packet",
+	.result = REJECT,
+	.prog_type = BPF_PROG_TYPE_XDP,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"XDP pkt read, pkt_meta' > pkt_data, corner case +1, good access",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+		    offsetof(struct xdp_md, data_meta)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, offsetof(struct xdp_md, data)),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 9),
+	BPF_JMP_REG(BPF_JGT, BPF_REG_1, BPF_REG_3, 1),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -9),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_XDP,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"XDP pkt read, pkt_meta' > pkt_data, corner case -1, bad access",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+		    offsetof(struct xdp_md, data_meta)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, offsetof(struct xdp_md, data)),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 7),
+	BPF_JMP_REG(BPF_JGT, BPF_REG_1, BPF_REG_3, 1),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -7),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "R1 offset is outside of the packet",
+	.result = REJECT,
+	.prog_type = BPF_PROG_TYPE_XDP,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"XDP pkt read, pkt_data > pkt_meta', good access",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+		    offsetof(struct xdp_md, data_meta)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, offsetof(struct xdp_md, data)),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
+	BPF_JMP_REG(BPF_JGT, BPF_REG_3, BPF_REG_1, 1),
+	BPF_JMP_IMM(BPF_JA, 0, 0, 1),
+	BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, -5),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_XDP,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"XDP pkt read, pkt_data > pkt_meta', corner case -1, bad access",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+		    offsetof(struct xdp_md, data_meta)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, offsetof(struct xdp_md, data)),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 6),
+	BPF_JMP_REG(BPF_JGT, BPF_REG_3, BPF_REG_1, 1),
+	BPF_JMP_IMM(BPF_JA, 0, 0, 1),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -6),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "R1 offset is outside of the packet",
+	.result = REJECT,
+	.prog_type = BPF_PROG_TYPE_XDP,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"XDP pkt read, pkt_data > pkt_meta', bad access 2",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+		    offsetof(struct xdp_md, data_meta)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, offsetof(struct xdp_md, data)),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
+	BPF_JMP_REG(BPF_JGT, BPF_REG_3, BPF_REG_1, 1),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -8),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "R1 offset is outside of the packet",
+	.result = REJECT,
+	.prog_type = BPF_PROG_TYPE_XDP,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"XDP pkt read, pkt_data > pkt_meta', corner case, good access",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+		    offsetof(struct xdp_md, data_meta)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, offsetof(struct xdp_md, data)),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 7),
+	BPF_JMP_REG(BPF_JGT, BPF_REG_3, BPF_REG_1, 1),
+	BPF_JMP_IMM(BPF_JA, 0, 0, 1),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -7),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_XDP,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"XDP pkt read, pkt_data > pkt_meta', corner case +1, good access",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+		    offsetof(struct xdp_md, data_meta)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, offsetof(struct xdp_md, data)),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
+	BPF_JMP_REG(BPF_JGT, BPF_REG_3, BPF_REG_1, 1),
+	BPF_JMP_IMM(BPF_JA, 0, 0, 1),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -8),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_XDP,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"XDP pkt read, pkt_meta' < pkt_data, good access",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+		    offsetof(struct xdp_md, data_meta)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, offsetof(struct xdp_md, data)),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
+	BPF_JMP_REG(BPF_JLT, BPF_REG_1, BPF_REG_3, 1),
+	BPF_JMP_IMM(BPF_JA, 0, 0, 1),
+	BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, -5),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_XDP,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"XDP pkt read, pkt_meta' < pkt_data, corner case -1, bad access",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+		    offsetof(struct xdp_md, data_meta)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, offsetof(struct xdp_md, data)),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 6),
+	BPF_JMP_REG(BPF_JLT, BPF_REG_1, BPF_REG_3, 1),
+	BPF_JMP_IMM(BPF_JA, 0, 0, 1),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -6),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "R1 offset is outside of the packet",
+	.result = REJECT,
+	.prog_type = BPF_PROG_TYPE_XDP,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"XDP pkt read, pkt_meta' < pkt_data, bad access 2",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+		    offsetof(struct xdp_md, data_meta)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, offsetof(struct xdp_md, data)),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
+	BPF_JMP_REG(BPF_JLT, BPF_REG_1, BPF_REG_3, 1),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -8),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "R1 offset is outside of the packet",
+	.result = REJECT,
+	.prog_type = BPF_PROG_TYPE_XDP,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"XDP pkt read, pkt_meta' < pkt_data, corner case, good access",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+		    offsetof(struct xdp_md, data_meta)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, offsetof(struct xdp_md, data)),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 7),
+	BPF_JMP_REG(BPF_JLT, BPF_REG_1, BPF_REG_3, 1),
+	BPF_JMP_IMM(BPF_JA, 0, 0, 1),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -7),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_XDP,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"XDP pkt read, pkt_meta' < pkt_data, corner case +1, good access",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+		    offsetof(struct xdp_md, data_meta)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, offsetof(struct xdp_md, data)),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
+	BPF_JMP_REG(BPF_JLT, BPF_REG_1, BPF_REG_3, 1),
+	BPF_JMP_IMM(BPF_JA, 0, 0, 1),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -8),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_XDP,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"XDP pkt read, pkt_data < pkt_meta', corner case, good access",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+		    offsetof(struct xdp_md, data_meta)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, offsetof(struct xdp_md, data)),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
+	BPF_JMP_REG(BPF_JLT, BPF_REG_3, BPF_REG_1, 1),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -8),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_XDP,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"XDP pkt read, pkt_data < pkt_meta', bad access 1",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+		    offsetof(struct xdp_md, data_meta)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, offsetof(struct xdp_md, data)),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
+	BPF_JMP_REG(BPF_JLT, BPF_REG_3, BPF_REG_1, 1),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -4),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "R1 offset is outside of the packet",
+	.result = REJECT,
+	.prog_type = BPF_PROG_TYPE_XDP,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"XDP pkt read, pkt_data < pkt_meta', bad access 2",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+		    offsetof(struct xdp_md, data_meta)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, offsetof(struct xdp_md, data)),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
+	BPF_JMP_REG(BPF_JLT, BPF_REG_3, BPF_REG_1, 0),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -8),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "R1 offset is outside of the packet",
+	.result = REJECT,
+	.prog_type = BPF_PROG_TYPE_XDP,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"XDP pkt read, pkt_data < pkt_meta', corner case +1, good access",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+		    offsetof(struct xdp_md, data_meta)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, offsetof(struct xdp_md, data)),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 9),
+	BPF_JMP_REG(BPF_JLT, BPF_REG_3, BPF_REG_1, 1),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -9),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_XDP,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"XDP pkt read, pkt_data < pkt_meta', corner case -1, bad access",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+		    offsetof(struct xdp_md, data_meta)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, offsetof(struct xdp_md, data)),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 7),
+	BPF_JMP_REG(BPF_JLT, BPF_REG_3, BPF_REG_1, 1),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -7),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "R1 offset is outside of the packet",
+	.result = REJECT,
+	.prog_type = BPF_PROG_TYPE_XDP,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"XDP pkt read, pkt_meta' >= pkt_data, good access",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+		    offsetof(struct xdp_md, data_meta)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, offsetof(struct xdp_md, data)),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
+	BPF_JMP_REG(BPF_JGE, BPF_REG_1, BPF_REG_3, 1),
+	BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, -5),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_XDP,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"XDP pkt read, pkt_meta' >= pkt_data, corner case -1, bad access",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+		    offsetof(struct xdp_md, data_meta)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, offsetof(struct xdp_md, data)),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 6),
+	BPF_JMP_REG(BPF_JGE, BPF_REG_1, BPF_REG_3, 1),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -6),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "R1 offset is outside of the packet",
+	.result = REJECT,
+	.prog_type = BPF_PROG_TYPE_XDP,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"XDP pkt read, pkt_meta' >= pkt_data, bad access 2",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+		    offsetof(struct xdp_md, data_meta)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, offsetof(struct xdp_md, data)),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
+	BPF_JMP_REG(BPF_JGE, BPF_REG_1, BPF_REG_3, 0),
+	BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, -5),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "R1 offset is outside of the packet",
+	.result = REJECT,
+	.prog_type = BPF_PROG_TYPE_XDP,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"XDP pkt read, pkt_meta' >= pkt_data, corner case, good access",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+		    offsetof(struct xdp_md, data_meta)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, offsetof(struct xdp_md, data)),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 7),
+	BPF_JMP_REG(BPF_JGE, BPF_REG_1, BPF_REG_3, 1),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -7),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_XDP,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"XDP pkt read, pkt_meta' >= pkt_data, corner case +1, good access",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+		    offsetof(struct xdp_md, data_meta)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, offsetof(struct xdp_md, data)),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
+	BPF_JMP_REG(BPF_JGE, BPF_REG_1, BPF_REG_3, 1),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -8),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_XDP,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"XDP pkt read, pkt_data >= pkt_meta', corner case, good access",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+		    offsetof(struct xdp_md, data_meta)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, offsetof(struct xdp_md, data)),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
+	BPF_JMP_REG(BPF_JGE, BPF_REG_3, BPF_REG_1, 1),
+	BPF_JMP_IMM(BPF_JA, 0, 0, 1),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -8),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_XDP,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"XDP pkt read, pkt_data >= pkt_meta', bad access 1",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+		    offsetof(struct xdp_md, data_meta)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, offsetof(struct xdp_md, data)),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
+	BPF_JMP_REG(BPF_JGE, BPF_REG_3, BPF_REG_1, 1),
+	BPF_JMP_IMM(BPF_JA, 0, 0, 1),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -4),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "R1 offset is outside of the packet",
+	.result = REJECT,
+	.prog_type = BPF_PROG_TYPE_XDP,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"XDP pkt read, pkt_data >= pkt_meta', bad access 2",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+		    offsetof(struct xdp_md, data_meta)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, offsetof(struct xdp_md, data)),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
+	BPF_JMP_REG(BPF_JGE, BPF_REG_3, BPF_REG_1, 1),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -8),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "R1 offset is outside of the packet",
+	.result = REJECT,
+	.prog_type = BPF_PROG_TYPE_XDP,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"XDP pkt read, pkt_data >= pkt_meta', corner case +1, good access",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+		    offsetof(struct xdp_md, data_meta)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, offsetof(struct xdp_md, data)),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 9),
+	BPF_JMP_REG(BPF_JGE, BPF_REG_3, BPF_REG_1, 1),
+	BPF_JMP_IMM(BPF_JA, 0, 0, 1),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -9),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_XDP,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"XDP pkt read, pkt_data >= pkt_meta', corner case -1, bad access",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+		    offsetof(struct xdp_md, data_meta)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, offsetof(struct xdp_md, data)),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 7),
+	BPF_JMP_REG(BPF_JGE, BPF_REG_3, BPF_REG_1, 1),
+	BPF_JMP_IMM(BPF_JA, 0, 0, 1),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -7),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "R1 offset is outside of the packet",
+	.result = REJECT,
+	.prog_type = BPF_PROG_TYPE_XDP,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"XDP pkt read, pkt_meta' <= pkt_data, corner case, good access",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+		    offsetof(struct xdp_md, data_meta)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, offsetof(struct xdp_md, data)),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
+	BPF_JMP_REG(BPF_JLE, BPF_REG_1, BPF_REG_3, 1),
+	BPF_JMP_IMM(BPF_JA, 0, 0, 1),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -8),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_XDP,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"XDP pkt read, pkt_meta' <= pkt_data, bad access 1",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+		    offsetof(struct xdp_md, data_meta)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, offsetof(struct xdp_md, data)),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
+	BPF_JMP_REG(BPF_JLE, BPF_REG_1, BPF_REG_3, 1),
+	BPF_JMP_IMM(BPF_JA, 0, 0, 1),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -4),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "R1 offset is outside of the packet",
+	.result = REJECT,
+	.prog_type = BPF_PROG_TYPE_XDP,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"XDP pkt read, pkt_meta' <= pkt_data, bad access 2",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+		    offsetof(struct xdp_md, data_meta)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, offsetof(struct xdp_md, data)),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
+	BPF_JMP_REG(BPF_JLE, BPF_REG_1, BPF_REG_3, 1),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -8),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "R1 offset is outside of the packet",
+	.result = REJECT,
+	.prog_type = BPF_PROG_TYPE_XDP,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"XDP pkt read, pkt_meta' <= pkt_data, corner case +1, good access",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+		    offsetof(struct xdp_md, data_meta)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, offsetof(struct xdp_md, data)),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 9),
+	BPF_JMP_REG(BPF_JLE, BPF_REG_1, BPF_REG_3, 1),
+	BPF_JMP_IMM(BPF_JA, 0, 0, 1),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -9),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_XDP,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"XDP pkt read, pkt_meta' <= pkt_data, corner case -1, bad access",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+		    offsetof(struct xdp_md, data_meta)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, offsetof(struct xdp_md, data)),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 7),
+	BPF_JMP_REG(BPF_JLE, BPF_REG_1, BPF_REG_3, 1),
+	BPF_JMP_IMM(BPF_JA, 0, 0, 1),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -7),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "R1 offset is outside of the packet",
+	.result = REJECT,
+	.prog_type = BPF_PROG_TYPE_XDP,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"XDP pkt read, pkt_data <= pkt_meta', good access",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+		    offsetof(struct xdp_md, data_meta)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, offsetof(struct xdp_md, data)),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
+	BPF_JMP_REG(BPF_JLE, BPF_REG_3, BPF_REG_1, 1),
+	BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, -5),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_XDP,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"XDP pkt read, pkt_data <= pkt_meta', corner case -1, bad access",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+		    offsetof(struct xdp_md, data_meta)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, offsetof(struct xdp_md, data)),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 6),
+	BPF_JMP_REG(BPF_JLE, BPF_REG_3, BPF_REG_1, 1),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -6),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "R1 offset is outside of the packet",
+	.result = REJECT,
+	.prog_type = BPF_PROG_TYPE_XDP,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"XDP pkt read, pkt_data <= pkt_meta', bad access 2",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+		    offsetof(struct xdp_md, data_meta)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, offsetof(struct xdp_md, data)),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
+	BPF_JMP_REG(BPF_JLE, BPF_REG_3, BPF_REG_1, 0),
+	BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, -5),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "R1 offset is outside of the packet",
+	.result = REJECT,
+	.prog_type = BPF_PROG_TYPE_XDP,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"XDP pkt read, pkt_data <= pkt_meta', corner case, good access",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+		    offsetof(struct xdp_md, data_meta)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, offsetof(struct xdp_md, data)),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 7),
+	BPF_JMP_REG(BPF_JLE, BPF_REG_3, BPF_REG_1, 1),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -7),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_XDP,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"XDP pkt read, pkt_data <= pkt_meta', corner case +1, good access",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+		    offsetof(struct xdp_md, data_meta)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, offsetof(struct xdp_md, data)),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
+	BPF_JMP_REG(BPF_JLE, BPF_REG_3, BPF_REG_1, 1),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -8),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_XDP,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
diff --git a/tools/testing/selftests/bpf/verify_sig_setup.sh b/tools/testing/selftests/bpf/verify_sig_setup.sh
new file mode 100755
index 000000000..ba08922b4
--- /dev/null
+++ b/tools/testing/selftests/bpf/verify_sig_setup.sh
@@ -0,0 +1,104 @@
+#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
+
+set -e
+set -u
+set -o pipefail
+
+VERBOSE="${SELFTESTS_VERBOSE:=0}"
+LOG_FILE="$(mktemp /tmp/verify_sig_setup.log.XXXXXX)"
+
+x509_genkey_content="\
+[ req ]
+default_bits = 2048
+distinguished_name = req_distinguished_name
+prompt = no
+string_mask = utf8only
+x509_extensions = myexts
+
+[ req_distinguished_name ]
+CN = eBPF Signature Verification Testing Key
+
+[ myexts ]
+basicConstraints=critical,CA:FALSE
+keyUsage=digitalSignature
+subjectKeyIdentifier=hash
+authorityKeyIdentifier=keyid
+"
+
+usage()
+{
+	echo "Usage: $0 <setup|cleanup <existing_tmp_dir>"
+	exit 1
+}
+
+setup()
+{
+	local tmp_dir="$1"
+
+	echo "${x509_genkey_content}" > ${tmp_dir}/x509.genkey
+
+	openssl req -new -nodes -utf8 -sha256 -days 36500 \
+			-batch -x509 -config ${tmp_dir}/x509.genkey \
+			-outform PEM -out ${tmp_dir}/signing_key.pem \
+			-keyout ${tmp_dir}/signing_key.pem 2>&1
+
+	openssl x509 -in ${tmp_dir}/signing_key.pem -out \
+		${tmp_dir}/signing_key.der -outform der
+
+	key_id=$(cat ${tmp_dir}/signing_key.der | keyctl padd asymmetric ebpf_testing_key @s)
+
+	keyring_id=$(keyctl newring ebpf_testing_keyring @s)
+	keyctl link $key_id $keyring_id
+}
+
+cleanup() {
+	local tmp_dir="$1"
+
+	keyctl unlink $(keyctl search @s asymmetric ebpf_testing_key) @s
+	keyctl unlink $(keyctl search @s keyring ebpf_testing_keyring) @s
+	rm -rf ${tmp_dir}
+}
+
+catch()
+{
+	local exit_code="$1"
+	local log_file="$2"
+
+	if [[ "${exit_code}" -ne 0 ]]; then
+		cat "${log_file}" >&3
+	fi
+
+	rm -f "${log_file}"
+	exit ${exit_code}
+}
+
+main()
+{
+	[[ $# -ne 2 ]] && usage
+
+	local action="$1"
+	local tmp_dir="$2"
+
+	[[ ! -d "${tmp_dir}" ]] && echo "Directory ${tmp_dir} doesn't exist" && exit 1
+
+	if [[ "${action}" == "setup" ]]; then
+		setup "${tmp_dir}"
+	elif [[ "${action}" == "cleanup" ]]; then
+		cleanup "${tmp_dir}"
+	else
+		echo "Unknown action: ${action}"
+		exit 1
+	fi
+}
+
+trap 'catch "$?" "${LOG_FILE}"' EXIT
+
+if [[ "${VERBOSE}" -eq 0 ]]; then
+	# Save the stderr to 3 so that we can output back to
+	# it incase of an error.
+	exec 3>&2 1>"${LOG_FILE}" 2>&1
+fi
+
+main "$@"
+rm -f "${LOG_FILE}"
diff --git a/tools/testing/selftests/bpf/veristat.c b/tools/testing/selftests/bpf/veristat.c
new file mode 100644
index 000000000..b0d83a28e
--- /dev/null
+++ b/tools/testing/selftests/bpf/veristat.c
@@ -0,0 +1,1322 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2022 Meta Platforms, Inc. and affiliates. */
+#define _GNU_SOURCE
+#include <argp.h>
+#include <string.h>
+#include <stdlib.h>
+#include <linux/compiler.h>
+#include <sched.h>
+#include <pthread.h>
+#include <dirent.h>
+#include <signal.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <sys/time.h>
+#include <sys/sysinfo.h>
+#include <sys/stat.h>
+#include <bpf/libbpf.h>
+#include <libelf.h>
+#include <gelf.h>
+
+enum stat_id {
+	VERDICT,
+	DURATION,
+	TOTAL_INSNS,
+	TOTAL_STATES,
+	PEAK_STATES,
+	MAX_STATES_PER_INSN,
+	MARK_READ_MAX_LEN,
+
+	FILE_NAME,
+	PROG_NAME,
+
+	ALL_STATS_CNT,
+	NUM_STATS_CNT = FILE_NAME - VERDICT,
+};
+
+struct verif_stats {
+	char *file_name;
+	char *prog_name;
+
+	long stats[NUM_STATS_CNT];
+};
+
+struct stat_specs {
+	int spec_cnt;
+	enum stat_id ids[ALL_STATS_CNT];
+	bool asc[ALL_STATS_CNT];
+	int lens[ALL_STATS_CNT * 3]; /* 3x for comparison mode */
+};
+
+enum resfmt {
+	RESFMT_TABLE,
+	RESFMT_TABLE_CALCLEN, /* fake format to pre-calculate table's column widths */
+	RESFMT_CSV,
+};
+
+struct filter {
+	char *file_glob;
+	char *prog_glob;
+};
+
+static struct env {
+	char **filenames;
+	int filename_cnt;
+	bool verbose;
+	bool quiet;
+	int log_level;
+	enum resfmt out_fmt;
+	bool comparison_mode;
+
+	struct verif_stats *prog_stats;
+	int prog_stat_cnt;
+
+	/* baseline_stats is allocated and used only in comparsion mode */
+	struct verif_stats *baseline_stats;
+	int baseline_stat_cnt;
+
+	struct stat_specs output_spec;
+	struct stat_specs sort_spec;
+
+	struct filter *allow_filters;
+	struct filter *deny_filters;
+	int allow_filter_cnt;
+	int deny_filter_cnt;
+
+	int files_processed;
+	int files_skipped;
+	int progs_processed;
+	int progs_skipped;
+} env;
+
+static int libbpf_print_fn(enum libbpf_print_level level, const char *format, va_list args)
+{
+	if (!env.verbose)
+		return 0;
+	if (level == LIBBPF_DEBUG /* && !env.verbose */)
+		return 0;
+	return vfprintf(stderr, format, args);
+}
+
+const char *argp_program_version = "veristat";
+const char *argp_program_bug_address = "<bpf@vger.kernel.org>";
+const char argp_program_doc[] =
+"veristat    BPF verifier stats collection and comparison tool.\n"
+"\n"
+"USAGE: veristat <obj-file> [<obj-file>...]\n"
+"   OR: veristat -C <baseline.csv> <comparison.csv>\n";
+
+static const struct argp_option opts[] = {
+	{ NULL, 'h', NULL, OPTION_HIDDEN, "Show the full help" },
+	{ "verbose", 'v', NULL, 0, "Verbose mode" },
+	{ "log-level", 'l', "LEVEL", 0, "Verifier log level (default 0 for normal mode, 1 for verbose mode)" },
+	{ "quiet", 'q', NULL, 0, "Quiet mode" },
+	{ "emit", 'e', "SPEC", 0, "Specify stats to be emitted" },
+	{ "sort", 's', "SPEC", 0, "Specify sort order" },
+	{ "output-format", 'o', "FMT", 0, "Result output format (table, csv), default is table." },
+	{ "compare", 'C', NULL, 0, "Comparison mode" },
+	{ "filter", 'f', "FILTER", 0, "Filter expressions (or @filename for file with expressions)." },
+	{},
+};
+
+static int parse_stats(const char *stats_str, struct stat_specs *specs);
+static int append_filter(struct filter **filters, int *cnt, const char *str);
+static int append_filter_file(const char *path);
+
+static error_t parse_arg(int key, char *arg, struct argp_state *state)
+{
+	void *tmp;
+	int err;
+
+	switch (key) {
+	case 'h':
+		argp_state_help(state, stderr, ARGP_HELP_STD_HELP);
+		break;
+	case 'v':
+		env.verbose = true;
+		break;
+	case 'q':
+		env.quiet = true;
+		break;
+	case 'e':
+		err = parse_stats(arg, &env.output_spec);
+		if (err)
+			return err;
+		break;
+	case 's':
+		err = parse_stats(arg, &env.sort_spec);
+		if (err)
+			return err;
+		break;
+	case 'o':
+		if (strcmp(arg, "table") == 0) {
+			env.out_fmt = RESFMT_TABLE;
+		} else if (strcmp(arg, "csv") == 0) {
+			env.out_fmt = RESFMT_CSV;
+		} else {
+			fprintf(stderr, "Unrecognized output format '%s'\n", arg);
+			return -EINVAL;
+		}
+		break;
+	case 'l':
+		errno = 0;
+		env.log_level = strtol(arg, NULL, 10);
+		if (errno) {
+			fprintf(stderr, "invalid log level: %s\n", arg);
+			argp_usage(state);
+		}
+		break;
+	case 'C':
+		env.comparison_mode = true;
+		break;
+	case 'f':
+		if (arg[0] == '@')
+			err = append_filter_file(arg + 1);
+		else if (arg[0] == '!')
+			err = append_filter(&env.deny_filters, &env.deny_filter_cnt, arg + 1);
+		else
+			err = append_filter(&env.allow_filters, &env.allow_filter_cnt, arg);
+		if (err) {
+			fprintf(stderr, "Failed to collect program filter expressions: %d\n", err);
+			return err;
+		}
+		break;
+	case ARGP_KEY_ARG:
+		tmp = realloc(env.filenames, (env.filename_cnt + 1) * sizeof(*env.filenames));
+		if (!tmp)
+			return -ENOMEM;
+		env.filenames = tmp;
+		env.filenames[env.filename_cnt] = strdup(arg);
+		if (!env.filenames[env.filename_cnt])
+			return -ENOMEM;
+		env.filename_cnt++;
+		break;
+	default:
+		return ARGP_ERR_UNKNOWN;
+	}
+	return 0;
+}
+
+static const struct argp argp = {
+	.options = opts,
+	.parser = parse_arg,
+	.doc = argp_program_doc,
+};
+
+
+/* Adapted from perf/util/string.c */
+static bool glob_matches(const char *str, const char *pat)
+{
+	while (*str && *pat && *pat != '*') {
+		if (*str != *pat)
+			return false;
+		str++;
+		pat++;
+	}
+	/* Check wild card */
+	if (*pat == '*') {
+		while (*pat == '*')
+			pat++;
+		if (!*pat) /* Tail wild card matches all */
+			return true;
+		while (*str)
+			if (glob_matches(str++, pat))
+				return true;
+	}
+	return !*str && !*pat;
+}
+
+static bool should_process_file(const char *filename)
+{
+	int i;
+
+	if (env.deny_filter_cnt > 0) {
+		for (i = 0; i < env.deny_filter_cnt; i++) {
+			if (glob_matches(filename, env.deny_filters[i].file_glob))
+				return false;
+		}
+	}
+
+	if (env.allow_filter_cnt == 0)
+		return true;
+
+	for (i = 0; i < env.allow_filter_cnt; i++) {
+		if (glob_matches(filename, env.allow_filters[i].file_glob))
+			return true;
+	}
+
+	return false;
+}
+
+static bool is_bpf_obj_file(const char *path) {
+	Elf64_Ehdr *ehdr;
+	int fd, err = -EINVAL;
+	Elf *elf = NULL;
+
+	fd = open(path, O_RDONLY | O_CLOEXEC);
+	if (fd < 0)
+		return true; /* we'll fail later and propagate error */
+
+	/* ensure libelf is initialized */
+	(void)elf_version(EV_CURRENT);
+
+	elf = elf_begin(fd, ELF_C_READ, NULL);
+	if (!elf)
+		goto cleanup;
+
+	if (elf_kind(elf) != ELF_K_ELF || gelf_getclass(elf) != ELFCLASS64)
+		goto cleanup;
+
+	ehdr = elf64_getehdr(elf);
+	/* Old LLVM set e_machine to EM_NONE */
+	if (!ehdr || ehdr->e_type != ET_REL || (ehdr->e_machine && ehdr->e_machine != EM_BPF))
+		goto cleanup;
+
+	err = 0;
+cleanup:
+	if (elf)
+		elf_end(elf);
+	close(fd);
+	return err == 0;
+}
+
+static bool should_process_prog(const char *path, const char *prog_name)
+{
+	const char *filename = basename(path);
+	int i;
+
+	if (env.deny_filter_cnt > 0) {
+		for (i = 0; i < env.deny_filter_cnt; i++) {
+			if (glob_matches(filename, env.deny_filters[i].file_glob))
+				return false;
+			if (!env.deny_filters[i].prog_glob)
+				continue;
+			if (glob_matches(prog_name, env.deny_filters[i].prog_glob))
+				return false;
+		}
+	}
+
+	if (env.allow_filter_cnt == 0)
+		return true;
+
+	for (i = 0; i < env.allow_filter_cnt; i++) {
+		if (!glob_matches(filename, env.allow_filters[i].file_glob))
+			continue;
+		/* if filter specifies only filename glob part, it implicitly
+		 * allows all progs within that file
+		 */
+		if (!env.allow_filters[i].prog_glob)
+			return true;
+		if (glob_matches(prog_name, env.allow_filters[i].prog_glob))
+			return true;
+	}
+
+	return false;
+}
+
+static int append_filter(struct filter **filters, int *cnt, const char *str)
+{
+	struct filter *f;
+	void *tmp;
+	const char *p;
+
+	tmp = realloc(*filters, (*cnt + 1) * sizeof(**filters));
+	if (!tmp)
+		return -ENOMEM;
+	*filters = tmp;
+
+	f = &(*filters)[*cnt];
+	f->file_glob = f->prog_glob = NULL;
+
+	/* filter can be specified either as "<obj-glob>" or "<obj-glob>/<prog-glob>" */
+	p = strchr(str, '/');
+	if (!p) {
+		f->file_glob = strdup(str);
+		if (!f->file_glob)
+			return -ENOMEM;
+	} else {
+		f->file_glob = strndup(str, p - str);
+		f->prog_glob = strdup(p + 1);
+		if (!f->file_glob || !f->prog_glob) {
+			free(f->file_glob);
+			free(f->prog_glob);
+			f->file_glob = f->prog_glob = NULL;
+			return -ENOMEM;
+		}
+	}
+
+	*cnt = *cnt + 1;
+	return 0;
+}
+
+static int append_filter_file(const char *path)
+{
+	char buf[1024];
+	FILE *f;
+	int err = 0;
+
+	f = fopen(path, "r");
+	if (!f) {
+		err = -errno;
+		fprintf(stderr, "Failed to open filters in '%s': %d\n", path, err);
+		return err;
+	}
+
+	while (fscanf(f, " %1023[^\n]\n", buf) == 1) {
+		/* lines starting with # are comments, skip them */
+		if (buf[0] == '\0' || buf[0] == '#')
+			continue;
+		/* lines starting with ! are negative match filters */
+		if (buf[0] == '!')
+			err = append_filter(&env.deny_filters, &env.deny_filter_cnt, buf + 1);
+		else
+			err = append_filter(&env.allow_filters, &env.allow_filter_cnt, buf);
+		if (err)
+			goto cleanup;
+	}
+
+cleanup:
+	fclose(f);
+	return err;
+}
+
+static const struct stat_specs default_output_spec = {
+	.spec_cnt = 7,
+	.ids = {
+		FILE_NAME, PROG_NAME, VERDICT, DURATION,
+		TOTAL_INSNS, TOTAL_STATES, PEAK_STATES,
+	},
+};
+
+static const struct stat_specs default_sort_spec = {
+	.spec_cnt = 2,
+	.ids = {
+		FILE_NAME, PROG_NAME,
+	},
+	.asc = { true, true, },
+};
+
+static struct stat_def {
+	const char *header;
+	const char *names[4];
+	bool asc_by_default;
+} stat_defs[] = {
+	[FILE_NAME] = { "File", {"file_name", "filename", "file"}, true /* asc */ },
+	[PROG_NAME] = { "Program", {"prog_name", "progname", "prog"}, true /* asc */ },
+	[VERDICT] = { "Verdict", {"verdict"}, true /* asc: failure, success */ },
+	[DURATION] = { "Duration (us)", {"duration", "dur"}, },
+	[TOTAL_INSNS] = { "Total insns", {"total_insns", "insns"}, },
+	[TOTAL_STATES] = { "Total states", {"total_states", "states"}, },
+	[PEAK_STATES] = { "Peak states", {"peak_states"}, },
+	[MAX_STATES_PER_INSN] = { "Max states per insn", {"max_states_per_insn"}, },
+	[MARK_READ_MAX_LEN] = { "Max mark read length", {"max_mark_read_len", "mark_read"}, },
+};
+
+static int parse_stat(const char *stat_name, struct stat_specs *specs)
+{
+	int id, i;
+
+	if (specs->spec_cnt >= ARRAY_SIZE(specs->ids)) {
+		fprintf(stderr, "Can't specify more than %zd stats\n", ARRAY_SIZE(specs->ids));
+		return -E2BIG;
+	}
+
+	for (id = 0; id < ARRAY_SIZE(stat_defs); id++) {
+		struct stat_def *def = &stat_defs[id];
+
+		for (i = 0; i < ARRAY_SIZE(stat_defs[id].names); i++) {
+			if (!def->names[i] || strcmp(def->names[i], stat_name) != 0)
+				continue;
+
+			specs->ids[specs->spec_cnt] = id;
+			specs->asc[specs->spec_cnt] = def->asc_by_default;
+			specs->spec_cnt++;
+
+			return 0;
+		}
+	}
+
+	fprintf(stderr, "Unrecognized stat name '%s'\n", stat_name);
+	return -ESRCH;
+}
+
+static int parse_stats(const char *stats_str, struct stat_specs *specs)
+{
+	char *input, *state = NULL, *next;
+	int err;
+
+	input = strdup(stats_str);
+	if (!input)
+		return -ENOMEM;
+
+	while ((next = strtok_r(state ? NULL : input, ",", &state))) {
+		err = parse_stat(next, specs);
+		if (err)
+			return err;
+	}
+
+	return 0;
+}
+
+static void free_verif_stats(struct verif_stats *stats, size_t stat_cnt)
+{
+	int i;
+
+	if (!stats)
+		return;
+
+	for (i = 0; i < stat_cnt; i++) {
+		free(stats[i].file_name);
+		free(stats[i].prog_name);
+	}
+	free(stats);
+}
+
+static char verif_log_buf[64 * 1024];
+
+#define MAX_PARSED_LOG_LINES 100
+
+static int parse_verif_log(char * const buf, size_t buf_sz, struct verif_stats *s)
+{
+	const char *cur;
+	int pos, lines;
+
+	buf[buf_sz - 1] = '\0';
+
+	for (pos = strlen(buf) - 1, lines = 0; pos >= 0 && lines < MAX_PARSED_LOG_LINES; lines++) {
+		/* find previous endline or otherwise take the start of log buf */
+		for (cur = &buf[pos]; cur > buf && cur[0] != '\n'; cur--, pos--) {
+		}
+		/* next time start from end of previous line (or pos goes to <0) */
+		pos--;
+		/* if we found endline, point right after endline symbol;
+		 * otherwise, stay at the beginning of log buf
+		 */
+		if (cur[0] == '\n')
+			cur++;
+
+		if (1 == sscanf(cur, "verification time %ld usec\n", &s->stats[DURATION]))
+			continue;
+		if (6 == sscanf(cur, "processed %ld insns (limit %*d) max_states_per_insn %ld total_states %ld peak_states %ld mark_read %ld",
+				&s->stats[TOTAL_INSNS],
+				&s->stats[MAX_STATES_PER_INSN],
+				&s->stats[TOTAL_STATES],
+				&s->stats[PEAK_STATES],
+				&s->stats[MARK_READ_MAX_LEN]))
+			continue;
+	}
+
+	return 0;
+}
+
+static int process_prog(const char *filename, struct bpf_object *obj, struct bpf_program *prog)
+{
+	const char *prog_name = bpf_program__name(prog);
+	size_t buf_sz = sizeof(verif_log_buf);
+	char *buf = verif_log_buf;
+	struct verif_stats *stats;
+	int err = 0;
+	void *tmp;
+
+	if (!should_process_prog(filename, bpf_program__name(prog))) {
+		env.progs_skipped++;
+		return 0;
+	}
+
+	tmp = realloc(env.prog_stats, (env.prog_stat_cnt + 1) * sizeof(*env.prog_stats));
+	if (!tmp)
+		return -ENOMEM;
+	env.prog_stats = tmp;
+	stats = &env.prog_stats[env.prog_stat_cnt++];
+	memset(stats, 0, sizeof(*stats));
+
+	if (env.verbose) {
+		buf_sz = 16 * 1024 * 1024;
+		buf = malloc(buf_sz);
+		if (!buf)
+			return -ENOMEM;
+		bpf_program__set_log_buf(prog, buf, buf_sz);
+		bpf_program__set_log_level(prog, env.log_level | 4); /* stats + log */
+	} else {
+		bpf_program__set_log_buf(prog, buf, buf_sz);
+		bpf_program__set_log_level(prog, 4); /* only verifier stats */
+	}
+	verif_log_buf[0] = '\0';
+
+	err = bpf_object__load(obj);
+	env.progs_processed++;
+
+	stats->file_name = strdup(basename(filename));
+	stats->prog_name = strdup(bpf_program__name(prog));
+	stats->stats[VERDICT] = err == 0; /* 1 - success, 0 - failure */
+	parse_verif_log(buf, buf_sz, stats);
+
+	if (env.verbose) {
+		printf("PROCESSING %s/%s, DURATION US: %ld, VERDICT: %s, VERIFIER LOG:\n%s\n",
+		       filename, prog_name, stats->stats[DURATION],
+		       err ? "failure" : "success", buf);
+	}
+
+	if (verif_log_buf != buf)
+		free(buf);
+
+	return 0;
+};
+
+static int process_obj(const char *filename)
+{
+	struct bpf_object *obj = NULL, *tobj;
+	struct bpf_program *prog, *tprog, *lprog;
+	libbpf_print_fn_t old_libbpf_print_fn;
+	LIBBPF_OPTS(bpf_object_open_opts, opts);
+	int err = 0, prog_cnt = 0;
+
+	if (!should_process_file(basename(filename))) {
+		if (env.verbose)
+			printf("Skipping '%s' due to filters...\n", filename);
+		env.files_skipped++;
+		return 0;
+	}
+	if (!is_bpf_obj_file(filename)) {
+		if (env.verbose)
+			printf("Skipping '%s' as it's not a BPF object file...\n", filename);
+		env.files_skipped++;
+		return 0;
+	}
+
+	if (!env.quiet && env.out_fmt == RESFMT_TABLE)
+		printf("Processing '%s'...\n", basename(filename));
+
+	old_libbpf_print_fn = libbpf_set_print(libbpf_print_fn);
+	obj = bpf_object__open_file(filename, &opts);
+	if (!obj) {
+		/* if libbpf can't open BPF object file, it could be because
+		 * that BPF object file is incomplete and has to be statically
+		 * linked into a final BPF object file; instead of bailing
+		 * out, report it into stderr, mark it as skipped, and
+		 * proceeed
+		 */
+		fprintf(stderr, "Failed to open '%s': %d\n", filename, -errno);
+		env.files_skipped++;
+		err = 0;
+		goto cleanup;
+	}
+
+	env.files_processed++;
+
+	bpf_object__for_each_program(prog, obj) {
+		prog_cnt++;
+	}
+
+	if (prog_cnt == 1) {
+		prog = bpf_object__next_program(obj, NULL);
+		bpf_program__set_autoload(prog, true);
+		process_prog(filename, obj, prog);
+		goto cleanup;
+	}
+
+	bpf_object__for_each_program(prog, obj) {
+		const char *prog_name = bpf_program__name(prog);
+
+		tobj = bpf_object__open_file(filename, &opts);
+		if (!tobj) {
+			err = -errno;
+			fprintf(stderr, "Failed to open '%s': %d\n", filename, err);
+			goto cleanup;
+		}
+
+		bpf_object__for_each_program(tprog, tobj) {
+			const char *tprog_name = bpf_program__name(tprog);
+
+			if (strcmp(prog_name, tprog_name) == 0) {
+				bpf_program__set_autoload(tprog, true);
+				lprog = tprog;
+			} else {
+				bpf_program__set_autoload(tprog, false);
+			}
+		}
+
+		process_prog(filename, tobj, lprog);
+		bpf_object__close(tobj);
+	}
+
+cleanup:
+	bpf_object__close(obj);
+	libbpf_set_print(old_libbpf_print_fn);
+	return err;
+}
+
+static int cmp_stat(const struct verif_stats *s1, const struct verif_stats *s2,
+		    enum stat_id id, bool asc)
+{
+	int cmp = 0;
+
+	switch (id) {
+	case FILE_NAME:
+		cmp = strcmp(s1->file_name, s2->file_name);
+		break;
+	case PROG_NAME:
+		cmp = strcmp(s1->prog_name, s2->prog_name);
+		break;
+	case VERDICT:
+	case DURATION:
+	case TOTAL_INSNS:
+	case TOTAL_STATES:
+	case PEAK_STATES:
+	case MAX_STATES_PER_INSN:
+	case MARK_READ_MAX_LEN: {
+		long v1 = s1->stats[id];
+		long v2 = s2->stats[id];
+
+		if (v1 != v2)
+			cmp = v1 < v2 ? -1 : 1;
+		break;
+	}
+	default:
+		fprintf(stderr, "Unrecognized stat #%d\n", id);
+		exit(1);
+	}
+
+	return asc ? cmp : -cmp;
+}
+
+static int cmp_prog_stats(const void *v1, const void *v2)
+{
+	const struct verif_stats *s1 = v1, *s2 = v2;
+	int i, cmp;
+
+	for (i = 0; i < env.sort_spec.spec_cnt; i++) {
+		cmp = cmp_stat(s1, s2, env.sort_spec.ids[i], env.sort_spec.asc[i]);
+		if (cmp != 0)
+			return cmp;
+	}
+
+	return 0;
+}
+
+#define HEADER_CHAR '-'
+#define COLUMN_SEP "  "
+
+static void output_header_underlines(void)
+{
+	int i, j, len;
+
+	for (i = 0; i < env.output_spec.spec_cnt; i++) {
+		len = env.output_spec.lens[i];
+
+		printf("%s", i == 0 ? "" : COLUMN_SEP);
+		for (j = 0; j < len; j++)
+			printf("%c", HEADER_CHAR);
+	}
+	printf("\n");
+}
+
+static void output_headers(enum resfmt fmt)
+{
+	int i, len;
+
+	for (i = 0; i < env.output_spec.spec_cnt; i++) {
+		int id = env.output_spec.ids[i];
+		int *max_len = &env.output_spec.lens[i];
+
+		switch (fmt) {
+		case RESFMT_TABLE_CALCLEN:
+			len = snprintf(NULL, 0, "%s", stat_defs[id].header);
+			if (len > *max_len)
+				*max_len = len;
+			break;
+		case RESFMT_TABLE:
+			printf("%s%-*s", i == 0 ? "" : COLUMN_SEP,  *max_len, stat_defs[id].header);
+			if (i == env.output_spec.spec_cnt - 1)
+				printf("\n");
+			break;
+		case RESFMT_CSV:
+			printf("%s%s", i == 0 ? "" : ",", stat_defs[id].names[0]);
+			if (i == env.output_spec.spec_cnt - 1)
+				printf("\n");
+			break;
+		}
+	}
+
+	if (fmt == RESFMT_TABLE)
+		output_header_underlines();
+}
+
+static void prepare_value(const struct verif_stats *s, enum stat_id id,
+			  const char **str, long *val)
+{
+	switch (id) {
+	case FILE_NAME:
+		*str = s->file_name;
+		break;
+	case PROG_NAME:
+		*str = s->prog_name;
+		break;
+	case VERDICT:
+		*str = s->stats[VERDICT] ? "success" : "failure";
+		break;
+	case DURATION:
+	case TOTAL_INSNS:
+	case TOTAL_STATES:
+	case PEAK_STATES:
+	case MAX_STATES_PER_INSN:
+	case MARK_READ_MAX_LEN:
+		*val = s->stats[id];
+		break;
+	default:
+		fprintf(stderr, "Unrecognized stat #%d\n", id);
+		exit(1);
+	}
+}
+
+static void output_stats(const struct verif_stats *s, enum resfmt fmt, bool last)
+{
+	int i;
+
+	for (i = 0; i < env.output_spec.spec_cnt; i++) {
+		int id = env.output_spec.ids[i];
+		int *max_len = &env.output_spec.lens[i], len;
+		const char *str = NULL;
+		long val = 0;
+
+		prepare_value(s, id, &str, &val);
+
+		switch (fmt) {
+		case RESFMT_TABLE_CALCLEN:
+			if (str)
+				len = snprintf(NULL, 0, "%s", str);
+			else
+				len = snprintf(NULL, 0, "%ld", val);
+			if (len > *max_len)
+				*max_len = len;
+			break;
+		case RESFMT_TABLE:
+			if (str)
+				printf("%s%-*s", i == 0 ? "" : COLUMN_SEP, *max_len, str);
+			else
+				printf("%s%*ld", i == 0 ? "" : COLUMN_SEP,  *max_len, val);
+			if (i == env.output_spec.spec_cnt - 1)
+				printf("\n");
+			break;
+		case RESFMT_CSV:
+			if (str)
+				printf("%s%s", i == 0 ? "" : ",", str);
+			else
+				printf("%s%ld", i == 0 ? "" : ",", val);
+			if (i == env.output_spec.spec_cnt - 1)
+				printf("\n");
+			break;
+		}
+	}
+
+	if (last && fmt == RESFMT_TABLE) {
+		output_header_underlines();
+		printf("Done. Processed %d files, %d programs. Skipped %d files, %d programs.\n",
+		       env.files_processed, env.files_skipped, env.progs_processed, env.progs_skipped);
+	}
+}
+
+static int handle_verif_mode(void)
+{
+	int i, err;
+
+	if (env.filename_cnt == 0) {
+		fprintf(stderr, "Please provide path to BPF object file!\n");
+		argp_help(&argp, stderr, ARGP_HELP_USAGE, "veristat");
+		return -EINVAL;
+	}
+
+	for (i = 0; i < env.filename_cnt; i++) {
+		err = process_obj(env.filenames[i]);
+		if (err) {
+			fprintf(stderr, "Failed to process '%s': %d\n", env.filenames[i], err);
+			return err;
+		}
+	}
+
+	qsort(env.prog_stats, env.prog_stat_cnt, sizeof(*env.prog_stats), cmp_prog_stats);
+
+	if (env.out_fmt == RESFMT_TABLE) {
+		/* calculate column widths */
+		output_headers(RESFMT_TABLE_CALCLEN);
+		for (i = 0; i < env.prog_stat_cnt; i++)
+			output_stats(&env.prog_stats[i], RESFMT_TABLE_CALCLEN, false);
+	}
+
+	/* actually output the table */
+	output_headers(env.out_fmt);
+	for (i = 0; i < env.prog_stat_cnt; i++) {
+		output_stats(&env.prog_stats[i], env.out_fmt, i == env.prog_stat_cnt - 1);
+	}
+
+	return 0;
+}
+
+static int parse_stat_value(const char *str, enum stat_id id, struct verif_stats *st)
+{
+	switch (id) {
+	case FILE_NAME:
+		st->file_name = strdup(str);
+		if (!st->file_name)
+			return -ENOMEM;
+		break;
+	case PROG_NAME:
+		st->prog_name = strdup(str);
+		if (!st->prog_name)
+			return -ENOMEM;
+		break;
+	case VERDICT:
+		if (strcmp(str, "success") == 0) {
+			st->stats[VERDICT] = true;
+		} else if (strcmp(str, "failure") == 0) {
+			st->stats[VERDICT] = false;
+		} else {
+			fprintf(stderr, "Unrecognized verification verdict '%s'\n", str);
+			return -EINVAL;
+		}
+		break;
+	case DURATION:
+	case TOTAL_INSNS:
+	case TOTAL_STATES:
+	case PEAK_STATES:
+	case MAX_STATES_PER_INSN:
+	case MARK_READ_MAX_LEN: {
+		long val;
+		int err, n;
+
+		if (sscanf(str, "%ld %n", &val, &n) != 1 || n != strlen(str)) {
+			err = -errno;
+			fprintf(stderr, "Failed to parse '%s' as integer\n", str);
+			return err;
+		}
+
+		st->stats[id] = val;
+		break;
+	}
+	default:
+		fprintf(stderr, "Unrecognized stat #%d\n", id);
+		return -EINVAL;
+	}
+	return 0;
+}
+
+static int parse_stats_csv(const char *filename, struct stat_specs *specs,
+			   struct verif_stats **statsp, int *stat_cntp)
+{
+	char line[4096];
+	FILE *f;
+	int err = 0;
+	bool header = true;
+
+	f = fopen(filename, "r");
+	if (!f) {
+		err = -errno;
+		fprintf(stderr, "Failed to open '%s': %d\n", filename, err);
+		return err;
+	}
+
+	*stat_cntp = 0;
+
+	while (fgets(line, sizeof(line), f)) {
+		char *input = line, *state = NULL, *next;
+		struct verif_stats *st = NULL;
+		int col = 0;
+
+		if (!header) {
+			void *tmp;
+
+			tmp = realloc(*statsp, (*stat_cntp + 1) * sizeof(**statsp));
+			if (!tmp) {
+				err = -ENOMEM;
+				goto cleanup;
+			}
+			*statsp = tmp;
+
+			st = &(*statsp)[*stat_cntp];
+			memset(st, 0, sizeof(*st));
+
+			*stat_cntp += 1;
+		}
+
+		while ((next = strtok_r(state ? NULL : input, ",\n", &state))) {
+			if (header) {
+				/* for the first line, set up spec stats */
+				err = parse_stat(next, specs);
+				if (err)
+					goto cleanup;
+				continue;
+			}
+
+			/* for all other lines, parse values based on spec */
+			if (col >= specs->spec_cnt) {
+				fprintf(stderr, "Found extraneous column #%d in row #%d of '%s'\n",
+					col, *stat_cntp, filename);
+				err = -EINVAL;
+				goto cleanup;
+			}
+			err = parse_stat_value(next, specs->ids[col], st);
+			if (err)
+				goto cleanup;
+			col++;
+		}
+
+		if (header) {
+			header = false;
+			continue;
+		}
+
+		if (col < specs->spec_cnt) {
+			fprintf(stderr, "Not enough columns in row #%d in '%s'\n",
+				*stat_cntp, filename);
+			err = -EINVAL;
+			goto cleanup;
+		}
+
+		if (!st->file_name || !st->prog_name) {
+			fprintf(stderr, "Row #%d in '%s' is missing file and/or program name\n",
+				*stat_cntp, filename);
+			err = -EINVAL;
+			goto cleanup;
+		}
+
+		/* in comparison mode we can only check filters after we
+		 * parsed entire line; if row should be ignored we pretend we
+		 * never parsed it
+		 */
+		if (!should_process_prog(st->file_name, st->prog_name)) {
+			free(st->file_name);
+			free(st->prog_name);
+			*stat_cntp -= 1;
+		}
+	}
+
+	if (!feof(f)) {
+		err = -errno;
+		fprintf(stderr, "Failed I/O for '%s': %d\n", filename, err);
+	}
+
+cleanup:
+	fclose(f);
+	return err;
+}
+
+/* empty/zero stats for mismatched rows */
+static const struct verif_stats fallback_stats = { .file_name = "", .prog_name = "" };
+
+static bool is_key_stat(enum stat_id id)
+{
+	return id == FILE_NAME || id == PROG_NAME;
+}
+
+static void output_comp_header_underlines(void)
+{
+	int i, j, k;
+
+	for (i = 0; i < env.output_spec.spec_cnt; i++) {
+		int id = env.output_spec.ids[i];
+		int max_j = is_key_stat(id) ? 1 : 3;
+
+		for (j = 0; j < max_j; j++) {
+			int len = env.output_spec.lens[3 * i + j];
+
+			printf("%s", i + j == 0 ? "" : COLUMN_SEP);
+
+			for (k = 0; k < len; k++)
+				printf("%c", HEADER_CHAR);
+		}
+	}
+	printf("\n");
+}
+
+static void output_comp_headers(enum resfmt fmt)
+{
+	static const char *table_sfxs[3] = {" (A)", " (B)", " (DIFF)"};
+	static const char *name_sfxs[3] = {"_base", "_comp", "_diff"};
+	int i, j, len;
+
+	for (i = 0; i < env.output_spec.spec_cnt; i++) {
+		int id = env.output_spec.ids[i];
+		/* key stats don't have A/B/DIFF columns, they are common for both data sets */
+		int max_j = is_key_stat(id) ? 1 : 3;
+
+		for (j = 0; j < max_j; j++) {
+			int *max_len = &env.output_spec.lens[3 * i + j];
+			bool last = (i == env.output_spec.spec_cnt - 1) && (j == max_j - 1);
+			const char *sfx;
+
+			switch (fmt) {
+			case RESFMT_TABLE_CALCLEN:
+				sfx = is_key_stat(id) ? "" : table_sfxs[j];
+				len = snprintf(NULL, 0, "%s%s", stat_defs[id].header, sfx);
+				if (len > *max_len)
+					*max_len = len;
+				break;
+			case RESFMT_TABLE:
+				sfx = is_key_stat(id) ? "" : table_sfxs[j];
+				printf("%s%-*s%s", i + j == 0 ? "" : COLUMN_SEP,
+				       *max_len - (int)strlen(sfx), stat_defs[id].header, sfx);
+				if (last)
+					printf("\n");
+				break;
+			case RESFMT_CSV:
+				sfx = is_key_stat(id) ? "" : name_sfxs[j];
+				printf("%s%s%s", i + j == 0 ? "" : ",", stat_defs[id].names[0], sfx);
+				if (last)
+					printf("\n");
+				break;
+			}
+		}
+	}
+
+	if (fmt == RESFMT_TABLE)
+		output_comp_header_underlines();
+}
+
+static void output_comp_stats(const struct verif_stats *base, const struct verif_stats *comp,
+			      enum resfmt fmt, bool last)
+{
+	char base_buf[1024] = {}, comp_buf[1024] = {}, diff_buf[1024] = {};
+	int i;
+
+	for (i = 0; i < env.output_spec.spec_cnt; i++) {
+		int id = env.output_spec.ids[i], len;
+		int *max_len_base = &env.output_spec.lens[3 * i + 0];
+		int *max_len_comp = &env.output_spec.lens[3 * i + 1];
+		int *max_len_diff = &env.output_spec.lens[3 * i + 2];
+		const char *base_str = NULL, *comp_str = NULL;
+		long base_val = 0, comp_val = 0, diff_val = 0;
+
+		prepare_value(base, id, &base_str, &base_val);
+		prepare_value(comp, id, &comp_str, &comp_val);
+
+		/* normalize all the outputs to be in string buffers for simplicity */
+		if (is_key_stat(id)) {
+			/* key stats (file and program name) are always strings */
+			if (base != &fallback_stats)
+				snprintf(base_buf, sizeof(base_buf), "%s", base_str);
+			else
+				snprintf(base_buf, sizeof(base_buf), "%s", comp_str);
+		} else if (base_str) {
+			snprintf(base_buf, sizeof(base_buf), "%s", base_str);
+			snprintf(comp_buf, sizeof(comp_buf), "%s", comp_str);
+			if (strcmp(base_str, comp_str) == 0)
+				snprintf(diff_buf, sizeof(diff_buf), "%s", "MATCH");
+			else
+				snprintf(diff_buf, sizeof(diff_buf), "%s", "MISMATCH");
+		} else {
+			snprintf(base_buf, sizeof(base_buf), "%ld", base_val);
+			snprintf(comp_buf, sizeof(comp_buf), "%ld", comp_val);
+
+			diff_val = comp_val - base_val;
+			if (base == &fallback_stats || comp == &fallback_stats || base_val == 0) {
+				snprintf(diff_buf, sizeof(diff_buf), "%+ld (%+.2lf%%)",
+					 diff_val, comp_val < base_val ? -100.0 : 100.0);
+			} else {
+				snprintf(diff_buf, sizeof(diff_buf), "%+ld (%+.2lf%%)",
+					 diff_val, diff_val * 100.0 / base_val);
+			}
+		}
+
+		switch (fmt) {
+		case RESFMT_TABLE_CALCLEN:
+			len = strlen(base_buf);
+			if (len > *max_len_base)
+				*max_len_base = len;
+			if (!is_key_stat(id)) {
+				len = strlen(comp_buf);
+				if (len > *max_len_comp)
+					*max_len_comp = len;
+				len = strlen(diff_buf);
+				if (len > *max_len_diff)
+					*max_len_diff = len;
+			}
+			break;
+		case RESFMT_TABLE: {
+			/* string outputs are left-aligned, number outputs are right-aligned */
+			const char *fmt = base_str ? "%s%-*s" : "%s%*s";
+
+			printf(fmt, i == 0 ? "" : COLUMN_SEP, *max_len_base, base_buf);
+			if (!is_key_stat(id)) {
+				printf(fmt, COLUMN_SEP, *max_len_comp, comp_buf);
+				printf(fmt, COLUMN_SEP, *max_len_diff, diff_buf);
+			}
+			if (i == env.output_spec.spec_cnt - 1)
+				printf("\n");
+			break;
+		}
+		case RESFMT_CSV:
+			printf("%s%s", i == 0 ? "" : ",", base_buf);
+			if (!is_key_stat(id)) {
+				printf("%s%s", i == 0 ? "" : ",", comp_buf);
+				printf("%s%s", i == 0 ? "" : ",", diff_buf);
+			}
+			if (i == env.output_spec.spec_cnt - 1)
+				printf("\n");
+			break;
+		}
+	}
+
+	if (last && fmt == RESFMT_TABLE)
+		output_comp_header_underlines();
+}
+
+static int cmp_stats_key(const struct verif_stats *base, const struct verif_stats *comp)
+{
+	int r;
+
+	r = strcmp(base->file_name, comp->file_name);
+	if (r != 0)
+		return r;
+	return strcmp(base->prog_name, comp->prog_name);
+}
+
+static int handle_comparison_mode(void)
+{
+	struct stat_specs base_specs = {}, comp_specs = {};
+	enum resfmt cur_fmt;
+	int err, i, j;
+
+	if (env.filename_cnt != 2) {
+		fprintf(stderr, "Comparison mode expects exactly two input CSV files!\n");
+		argp_help(&argp, stderr, ARGP_HELP_USAGE, "veristat");
+		return -EINVAL;
+	}
+
+	err = parse_stats_csv(env.filenames[0], &base_specs,
+			      &env.baseline_stats, &env.baseline_stat_cnt);
+	if (err) {
+		fprintf(stderr, "Failed to parse stats from '%s': %d\n", env.filenames[0], err);
+		return err;
+	}
+	err = parse_stats_csv(env.filenames[1], &comp_specs,
+			      &env.prog_stats, &env.prog_stat_cnt);
+	if (err) {
+		fprintf(stderr, "Failed to parse stats from '%s': %d\n", env.filenames[1], err);
+		return err;
+	}
+
+	/* To keep it simple we validate that the set and order of stats in
+	 * both CSVs are exactly the same. This can be lifted with a bit more
+	 * pre-processing later.
+	 */
+	if (base_specs.spec_cnt != comp_specs.spec_cnt) {
+		fprintf(stderr, "Number of stats in '%s' and '%s' differs (%d != %d)!\n",
+			env.filenames[0], env.filenames[1],
+			base_specs.spec_cnt, comp_specs.spec_cnt);
+		return -EINVAL;
+	}
+	for (i = 0; i < base_specs.spec_cnt; i++) {
+		if (base_specs.ids[i] != comp_specs.ids[i]) {
+			fprintf(stderr, "Stats composition differs between '%s' and '%s' (%s != %s)!\n",
+				env.filenames[0], env.filenames[1],
+				stat_defs[base_specs.ids[i]].names[0],
+				stat_defs[comp_specs.ids[i]].names[0]);
+			return -EINVAL;
+		}
+	}
+
+	qsort(env.prog_stats, env.prog_stat_cnt, sizeof(*env.prog_stats), cmp_prog_stats);
+	qsort(env.baseline_stats, env.baseline_stat_cnt, sizeof(*env.baseline_stats), cmp_prog_stats);
+
+	/* for human-readable table output we need to do extra pass to
+	 * calculate column widths, so we substitute current output format
+	 * with RESFMT_TABLE_CALCLEN and later revert it back to RESFMT_TABLE
+	 * and do everything again.
+	 */
+	if (env.out_fmt == RESFMT_TABLE)
+		cur_fmt = RESFMT_TABLE_CALCLEN;
+	else
+		cur_fmt = env.out_fmt;
+
+one_more_time:
+	output_comp_headers(cur_fmt);
+
+	/* If baseline and comparison datasets have different subset of rows
+	 * (we match by 'object + prog' as a unique key) then assume
+	 * empty/missing/zero value for rows that are missing in the opposite
+	 * data set
+	 */
+	i = j = 0;
+	while (i < env.baseline_stat_cnt || j < env.prog_stat_cnt) {
+		bool last = (i == env.baseline_stat_cnt - 1) || (j == env.prog_stat_cnt - 1);
+		const struct verif_stats *base, *comp;
+		int r;
+
+		base = i < env.baseline_stat_cnt ? &env.baseline_stats[i] : &fallback_stats;
+		comp = j < env.prog_stat_cnt ? &env.prog_stats[j] : &fallback_stats;
+
+		if (!base->file_name || !base->prog_name) {
+			fprintf(stderr, "Entry #%d in '%s' doesn't have file and/or program name specified!\n",
+				i, env.filenames[0]);
+			return -EINVAL;
+		}
+		if (!comp->file_name || !comp->prog_name) {
+			fprintf(stderr, "Entry #%d in '%s' doesn't have file and/or program name specified!\n",
+				j, env.filenames[1]);
+			return -EINVAL;
+		}
+
+		r = cmp_stats_key(base, comp);
+		if (r == 0) {
+			output_comp_stats(base, comp, cur_fmt, last);
+			i++;
+			j++;
+		} else if (comp == &fallback_stats || r < 0) {
+			output_comp_stats(base, &fallback_stats, cur_fmt, last);
+			i++;
+		} else {
+			output_comp_stats(&fallback_stats, comp, cur_fmt, last);
+			j++;
+		}
+	}
+
+	if (cur_fmt == RESFMT_TABLE_CALCLEN) {
+		cur_fmt = RESFMT_TABLE;
+		goto one_more_time; /* ... this time with feeling */
+	}
+
+	return 0;
+}
+
+int main(int argc, char **argv)
+{
+	int err = 0, i;
+
+	if (argp_parse(&argp, argc, argv, 0, NULL, NULL))
+		return 1;
+
+	if (env.verbose && env.quiet) {
+		fprintf(stderr, "Verbose and quiet modes are incompatible, please specify just one or neither!\n");
+		argp_help(&argp, stderr, ARGP_HELP_USAGE, "veristat");
+		return 1;
+	}
+	if (env.verbose && env.log_level == 0)
+		env.log_level = 1;
+
+	if (env.output_spec.spec_cnt == 0)
+		env.output_spec = default_output_spec;
+	if (env.sort_spec.spec_cnt == 0)
+		env.sort_spec = default_sort_spec;
+
+	if (env.comparison_mode)
+		err = handle_comparison_mode();
+	else
+		err = handle_verif_mode();
+
+	free_verif_stats(env.prog_stats, env.prog_stat_cnt);
+	free_verif_stats(env.baseline_stats, env.baseline_stat_cnt);
+	for (i = 0; i < env.filename_cnt; i++)
+		free(env.filenames[i]);
+	free(env.filenames);
+	for (i = 0; i < env.allow_filter_cnt; i++) {
+		free(env.allow_filters[i].file_glob);
+		free(env.allow_filters[i].prog_glob);
+	}
+	free(env.allow_filters);
+	for (i = 0; i < env.deny_filter_cnt; i++) {
+		free(env.deny_filters[i].file_glob);
+		free(env.deny_filters[i].prog_glob);
+	}
+	free(env.deny_filters);
+	return -err;
+}
diff --git a/tools/testing/selftests/bpf/veristat.cfg b/tools/testing/selftests/bpf/veristat.cfg
new file mode 100644
index 000000000..1a3850616
--- /dev/null
+++ b/tools/testing/selftests/bpf/veristat.cfg
@@ -0,0 +1,17 @@
+# pre-canned list of rather complex selftests/bpf BPF object files to monitor
+# BPF verifier's performance on
+bpf_flow*
+bpf_loop_bench*
+loop*
+netif_receive_skb*
+profiler*
+pyperf*
+strobemeta*
+test_cls_redirect*
+test_l4lb
+test_sysctl*
+test_tcp_hdr_*
+test_usdt*
+test_verif_scale*
+test_xdp_noinline*
+xdp_synproxy*
diff --git a/tools/testing/selftests/bpf/vmtest.sh b/tools/testing/selftests/bpf/vmtest.sh
new file mode 100755
index 000000000..a29aa05eb
--- /dev/null
+++ b/tools/testing/selftests/bpf/vmtest.sh
@@ -0,0 +1,428 @@
+#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
+
+set -u
+set -e
+
+# This script currently only works for x86_64 and s390x, as
+# it is based on the VM image used by the BPF CI, which is
+# available only for these architectures.
+ARCH="$(uname -m)"
+case "${ARCH}" in
+s390x)
+	QEMU_BINARY=qemu-system-s390x
+	QEMU_CONSOLE="ttyS1"
+	QEMU_FLAGS=(-smp 2)
+	BZIMAGE="arch/s390/boot/compressed/vmlinux"
+	;;
+x86_64)
+	QEMU_BINARY=qemu-system-x86_64
+	QEMU_CONSOLE="ttyS0,115200"
+	QEMU_FLAGS=(-cpu host -smp 8)
+	BZIMAGE="arch/x86/boot/bzImage"
+	;;
+*)
+	echo "Unsupported architecture"
+	exit 1
+	;;
+esac
+DEFAULT_COMMAND="./test_progs"
+MOUNT_DIR="mnt"
+ROOTFS_IMAGE="root.img"
+OUTPUT_DIR="$HOME/.bpf_selftests"
+KCONFIG_REL_PATHS=("tools/testing/selftests/bpf/config" "tools/testing/selftests/bpf/config.${ARCH}")
+INDEX_URL="https://raw.githubusercontent.com/libbpf/ci/master/INDEX"
+NUM_COMPILE_JOBS="$(nproc)"
+LOG_FILE_BASE="$(date +"bpf_selftests.%Y-%m-%d_%H-%M-%S")"
+LOG_FILE="${LOG_FILE_BASE}.log"
+EXIT_STATUS_FILE="${LOG_FILE_BASE}.exit_status"
+
+usage()
+{
+	cat <<EOF
+Usage: $0 [-i] [-s] [-d <output_dir>] -- [<command>]
+
+<command> is the command you would normally run when you are in
+tools/testing/selftests/bpf. e.g:
+
+	$0 -- ./test_progs -t test_lsm
+
+If no command is specified and a debug shell (-s) is not requested,
+"${DEFAULT_COMMAND}" will be run by default.
+
+If you build your kernel using KBUILD_OUTPUT= or O= options, these
+can be passed as environment variables to the script:
+
+  O=<kernel_build_path> $0 -- ./test_progs -t test_lsm
+
+or
+
+  KBUILD_OUTPUT=<kernel_build_path> $0 -- ./test_progs -t test_lsm
+
+Options:
+
+	-i)		Update the rootfs image with a newer version.
+	-d)		Update the output directory (default: ${OUTPUT_DIR})
+	-j)		Number of jobs for compilation, similar to -j in make
+			(default: ${NUM_COMPILE_JOBS})
+	-s)		Instead of powering off the VM, start an interactive
+			shell. If <command> is specified, the shell runs after
+			the command finishes executing
+EOF
+}
+
+unset URLS
+populate_url_map()
+{
+	if ! declare -p URLS &> /dev/null; then
+		# URLS contain the mapping from file names to URLs where
+		# those files can be downloaded from.
+		declare -gA URLS
+		while IFS=$'\t' read -r name url; do
+			URLS["$name"]="$url"
+		done < <(curl -Lsf ${INDEX_URL})
+	fi
+}
+
+download()
+{
+	local file="$1"
+
+	if [[ ! -v URLS[$file] ]]; then
+		echo "$file not found" >&2
+		return 1
+	fi
+
+	echo "Downloading $file..." >&2
+	curl -Lsf "${URLS[$file]}" "${@:2}"
+}
+
+newest_rootfs_version()
+{
+	{
+	for file in "${!URLS[@]}"; do
+		if [[ $file =~ ^"${ARCH}"/libbpf-vmtest-rootfs-(.*)\.tar\.zst$ ]]; then
+			echo "${BASH_REMATCH[1]}"
+		fi
+	done
+	} | sort -rV | head -1
+}
+
+download_rootfs()
+{
+	local rootfsversion="$1"
+	local dir="$2"
+
+	if ! which zstd &> /dev/null; then
+		echo 'Could not find "zstd" on the system, please install zstd'
+		exit 1
+	fi
+
+	download "${ARCH}/libbpf-vmtest-rootfs-$rootfsversion.tar.zst" |
+		zstd -d | sudo tar -C "$dir" -x
+}
+
+recompile_kernel()
+{
+	local kernel_checkout="$1"
+	local make_command="$2"
+
+	cd "${kernel_checkout}"
+
+	${make_command} olddefconfig
+	${make_command}
+}
+
+mount_image()
+{
+	local rootfs_img="${OUTPUT_DIR}/${ROOTFS_IMAGE}"
+	local mount_dir="${OUTPUT_DIR}/${MOUNT_DIR}"
+
+	sudo mount -o loop "${rootfs_img}" "${mount_dir}"
+}
+
+unmount_image()
+{
+	local mount_dir="${OUTPUT_DIR}/${MOUNT_DIR}"
+
+	sudo umount "${mount_dir}" &> /dev/null
+}
+
+update_selftests()
+{
+	local kernel_checkout="$1"
+	local selftests_dir="${kernel_checkout}/tools/testing/selftests/bpf"
+
+	cd "${selftests_dir}"
+	${make_command}
+
+	# Mount the image and copy the selftests to the image.
+	mount_image
+	sudo rm -rf "${mount_dir}/root/bpf"
+	sudo cp -r "${selftests_dir}" "${mount_dir}/root"
+	unmount_image
+}
+
+update_init_script()
+{
+	local init_script_dir="${OUTPUT_DIR}/${MOUNT_DIR}/etc/rcS.d"
+	local init_script="${init_script_dir}/S50-startup"
+	local command="$1"
+	local exit_command="$2"
+
+	mount_image
+
+	if [[ ! -d "${init_script_dir}" ]]; then
+		cat <<EOF
+Could not find ${init_script_dir} in the mounted image.
+This likely indicates a bad rootfs image, Please download
+a new image by passing "-i" to the script
+EOF
+		exit 1
+
+	fi
+
+	sudo bash -c "echo '#!/bin/bash' > ${init_script}"
+
+	if [[ "${command}" != "" ]]; then
+		sudo bash -c "cat >>${init_script}" <<EOF
+# Have a default value in the exit status file
+# incase the VM is forcefully stopped.
+echo "130" > "/root/${EXIT_STATUS_FILE}"
+
+{
+	cd /root/bpf
+	echo ${command}
+	stdbuf -oL -eL ${command}
+	echo "\$?" > "/root/${EXIT_STATUS_FILE}"
+} 2>&1 | tee "/root/${LOG_FILE}"
+# Ensure that the logs are written to disk
+sync
+EOF
+	fi
+
+	sudo bash -c "echo ${exit_command} >> ${init_script}"
+	sudo chmod a+x "${init_script}"
+	unmount_image
+}
+
+create_vm_image()
+{
+	local rootfs_img="${OUTPUT_DIR}/${ROOTFS_IMAGE}"
+	local mount_dir="${OUTPUT_DIR}/${MOUNT_DIR}"
+
+	rm -rf "${rootfs_img}"
+	touch "${rootfs_img}"
+	chattr +C "${rootfs_img}" >/dev/null 2>&1 || true
+
+	truncate -s 2G "${rootfs_img}"
+	mkfs.ext4 -q "${rootfs_img}"
+
+	mount_image
+	download_rootfs "$(newest_rootfs_version)" "${mount_dir}"
+	unmount_image
+}
+
+run_vm()
+{
+	local kernel_bzimage="$1"
+	local rootfs_img="${OUTPUT_DIR}/${ROOTFS_IMAGE}"
+
+	if ! which "${QEMU_BINARY}" &> /dev/null; then
+		cat <<EOF
+Could not find ${QEMU_BINARY}
+Please install qemu or set the QEMU_BINARY environment variable.
+EOF
+		exit 1
+	fi
+
+	${QEMU_BINARY} \
+		-nodefaults \
+		-display none \
+		-serial mon:stdio \
+		"${QEMU_FLAGS[@]}" \
+		-enable-kvm \
+		-m 4G \
+		-drive file="${rootfs_img}",format=raw,index=1,media=disk,if=virtio,cache=none \
+		-kernel "${kernel_bzimage}" \
+		-append "root=/dev/vda rw console=${QEMU_CONSOLE}"
+}
+
+copy_logs()
+{
+	local mount_dir="${OUTPUT_DIR}/${MOUNT_DIR}"
+	local log_file="${mount_dir}/root/${LOG_FILE}"
+	local exit_status_file="${mount_dir}/root/${EXIT_STATUS_FILE}"
+
+	mount_image
+	sudo cp ${log_file} "${OUTPUT_DIR}"
+	sudo cp ${exit_status_file} "${OUTPUT_DIR}"
+	sudo rm -f ${log_file}
+	unmount_image
+}
+
+is_rel_path()
+{
+	local path="$1"
+
+	[[ ${path:0:1} != "/" ]]
+}
+
+do_update_kconfig()
+{
+	local kernel_checkout="$1"
+	local kconfig_file="$2"
+
+	rm -f "$kconfig_file" 2> /dev/null
+
+	for config in "${KCONFIG_REL_PATHS[@]}"; do
+		local kconfig_src="${kernel_checkout}/${config}"
+		cat "$kconfig_src" >> "$kconfig_file"
+	done
+}
+
+update_kconfig()
+{
+	local kernel_checkout="$1"
+	local kconfig_file="$2"
+
+	if [[ -f "${kconfig_file}" ]]; then
+		local local_modified="$(stat -c %Y "${kconfig_file}")"
+
+		for config in "${KCONFIG_REL_PATHS[@]}"; do
+			local kconfig_src="${kernel_checkout}/${config}"
+			local src_modified="$(stat -c %Y "${kconfig_src}")"
+			# Only update the config if it has been updated after the
+			# previously cached config was created. This avoids
+			# unnecessarily compiling the kernel and selftests.
+			if [[ "${src_modified}" -gt "${local_modified}" ]]; then
+				do_update_kconfig "$kernel_checkout" "$kconfig_file"
+				# Once we have found one outdated configuration
+				# there is no need to check other ones.
+				break
+			fi
+		done
+	else
+		do_update_kconfig "$kernel_checkout" "$kconfig_file"
+	fi
+}
+
+catch()
+{
+	local exit_code=$1
+	local exit_status_file="${OUTPUT_DIR}/${EXIT_STATUS_FILE}"
+	# This is just a cleanup and the directory may
+	# have already been unmounted. So, don't let this
+	# clobber the error code we intend to return.
+	unmount_image || true
+	if [[ -f "${exit_status_file}" ]]; then
+		exit_code="$(cat ${exit_status_file})"
+	fi
+	exit ${exit_code}
+}
+
+main()
+{
+	local script_dir="$(cd -P -- "$(dirname -- "${BASH_SOURCE[0]}")" && pwd -P)"
+	local kernel_checkout=$(realpath "${script_dir}"/../../../../)
+	# By default the script searches for the kernel in the checkout directory but
+	# it also obeys environment variables O= and KBUILD_OUTPUT=
+	local kernel_bzimage="${kernel_checkout}/${BZIMAGE}"
+	local command="${DEFAULT_COMMAND}"
+	local update_image="no"
+	local exit_command="poweroff -f"
+	local debug_shell="no"
+
+	while getopts ':hskid:j:' opt; do
+		case ${opt} in
+		i)
+			update_image="yes"
+			;;
+		d)
+			OUTPUT_DIR="$OPTARG"
+			;;
+		j)
+			NUM_COMPILE_JOBS="$OPTARG"
+			;;
+		s)
+			command=""
+			debug_shell="yes"
+			exit_command="bash"
+			;;
+		h)
+			usage
+			exit 0
+			;;
+		\? )
+			echo "Invalid Option: -$OPTARG"
+			usage
+			exit 1
+			;;
+		: )
+			echo "Invalid Option: -$OPTARG requires an argument"
+			usage
+			exit 1
+			;;
+		esac
+	done
+	shift $((OPTIND -1))
+
+	trap 'catch "$?"' EXIT
+
+	if [[ $# -eq 0  && "${debug_shell}" == "no" ]]; then
+		echo "No command specified, will run ${DEFAULT_COMMAND} in the vm"
+	else
+		command="$@"
+	fi
+
+	local kconfig_file="${OUTPUT_DIR}/latest.config"
+	local make_command="make -j ${NUM_COMPILE_JOBS} KCONFIG_CONFIG=${kconfig_file}"
+
+	# Figure out where the kernel is being built.
+	# O takes precedence over KBUILD_OUTPUT.
+	if [[ "${O:=""}" != "" ]]; then
+		if is_rel_path "${O}"; then
+			O="$(realpath "${PWD}/${O}")"
+		fi
+		kernel_bzimage="${O}/${BZIMAGE}"
+		make_command="${make_command} O=${O}"
+	elif [[ "${KBUILD_OUTPUT:=""}" != "" ]]; then
+		if is_rel_path "${KBUILD_OUTPUT}"; then
+			KBUILD_OUTPUT="$(realpath "${PWD}/${KBUILD_OUTPUT}")"
+		fi
+		kernel_bzimage="${KBUILD_OUTPUT}/${BZIMAGE}"
+		make_command="${make_command} KBUILD_OUTPUT=${KBUILD_OUTPUT}"
+	fi
+
+	populate_url_map
+
+	local rootfs_img="${OUTPUT_DIR}/${ROOTFS_IMAGE}"
+	local mount_dir="${OUTPUT_DIR}/${MOUNT_DIR}"
+
+	echo "Output directory: ${OUTPUT_DIR}"
+
+	mkdir -p "${OUTPUT_DIR}"
+	mkdir -p "${mount_dir}"
+	update_kconfig "${kernel_checkout}" "${kconfig_file}"
+
+	recompile_kernel "${kernel_checkout}" "${make_command}"
+
+	if [[ "${update_image}" == "no" && ! -f "${rootfs_img}" ]]; then
+		echo "rootfs image not found in ${rootfs_img}"
+		update_image="yes"
+	fi
+
+	if [[ "${update_image}" == "yes" ]]; then
+		create_vm_image
+	fi
+
+	update_selftests "${kernel_checkout}" "${make_command}"
+	update_init_script "${command}" "${exit_command}"
+	run_vm "${kernel_bzimage}"
+	if [[ "${command}" != "" ]]; then
+		copy_logs
+		echo "Logs saved in ${OUTPUT_DIR}/${LOG_FILE}"
+	fi
+}
+
+main "$@"
diff --git a/tools/testing/selftests/bpf/with_addr.sh b/tools/testing/selftests/bpf/with_addr.sh
new file mode 100755
index 000000000..ffcd3953f
--- /dev/null
+++ b/tools/testing/selftests/bpf/with_addr.sh
@@ -0,0 +1,54 @@
+#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
+#
+# add private ipv4 and ipv6 addresses to loopback
+
+readonly V6_INNER='100::a/128'
+readonly V4_INNER='192.168.0.1/32'
+
+if getopts ":s" opt; then
+  readonly SIT_DEV_NAME='sixtofourtest0'
+  readonly V6_SIT='2::/64'
+  readonly V4_SIT='172.17.0.1/32'
+  shift
+fi
+
+fail() {
+  echo "error: $*" 1>&2
+  exit 1
+}
+
+setup() {
+  ip -6 addr add "${V6_INNER}" dev lo || fail 'failed to setup v6 address'
+  ip -4 addr add "${V4_INNER}" dev lo || fail 'failed to setup v4 address'
+
+  if [[ -n "${V6_SIT}" ]]; then
+    ip link add "${SIT_DEV_NAME}" type sit remote any local any \
+	    || fail 'failed to add sit'
+    ip link set dev "${SIT_DEV_NAME}" up \
+	    || fail 'failed to bring sit device up'
+    ip -6 addr add "${V6_SIT}" dev "${SIT_DEV_NAME}" \
+	    || fail 'failed to setup v6 SIT address'
+    ip -4 addr add "${V4_SIT}" dev "${SIT_DEV_NAME}" \
+	    || fail 'failed to setup v4 SIT address'
+  fi
+
+  sleep 2	# avoid race causing bind to fail
+}
+
+cleanup() {
+  if [[ -n "${V6_SIT}" ]]; then
+    ip -4 addr del "${V4_SIT}" dev "${SIT_DEV_NAME}"
+    ip -6 addr del "${V6_SIT}" dev "${SIT_DEV_NAME}"
+    ip link del "${SIT_DEV_NAME}"
+  fi
+
+  ip -4 addr del "${V4_INNER}" dev lo
+  ip -6 addr del "${V6_INNER}" dev lo
+}
+
+trap cleanup EXIT
+
+setup
+"$@"
+exit "$?"
diff --git a/tools/testing/selftests/bpf/with_tunnels.sh b/tools/testing/selftests/bpf/with_tunnels.sh
new file mode 100755
index 000000000..e24949ed3
--- /dev/null
+++ b/tools/testing/selftests/bpf/with_tunnels.sh
@@ -0,0 +1,36 @@
+#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
+#
+# setup tunnels for flow dissection test
+
+readonly SUFFIX="test_$(mktemp -u XXXX)"
+CONFIG="remote 127.0.0.2 local 127.0.0.1 dev lo"
+
+setup() {
+  ip link add "ipip_${SUFFIX}" type ipip ${CONFIG}
+  ip link add "gre_${SUFFIX}" type gre ${CONFIG}
+  ip link add "sit_${SUFFIX}" type sit ${CONFIG}
+
+  echo "tunnels before test:"
+  ip tunnel show
+
+  ip link set "ipip_${SUFFIX}" up
+  ip link set "gre_${SUFFIX}" up
+  ip link set "sit_${SUFFIX}" up
+}
+
+
+cleanup() {
+  ip tunnel del "ipip_${SUFFIX}"
+  ip tunnel del "gre_${SUFFIX}"
+  ip tunnel del "sit_${SUFFIX}"
+
+  echo "tunnels after test:"
+  ip tunnel show
+}
+
+trap cleanup EXIT
+
+setup
+"$@"
+exit "$?"
diff --git a/tools/testing/selftests/bpf/xdp_redirect_multi.c b/tools/testing/selftests/bpf/xdp_redirect_multi.c
new file mode 100644
index 000000000..c1fc44c87
--- /dev/null
+++ b/tools/testing/selftests/bpf/xdp_redirect_multi.c
@@ -0,0 +1,226 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <linux/bpf.h>
+#include <linux/if_link.h>
+#include <assert.h>
+#include <errno.h>
+#include <signal.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <net/if.h>
+#include <unistd.h>
+#include <libgen.h>
+#include <sys/ioctl.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+
+#include "bpf_util.h"
+#include <bpf/bpf.h>
+#include <bpf/libbpf.h>
+
+#define MAX_IFACE_NUM 32
+#define MAX_INDEX_NUM 1024
+
+static __u32 xdp_flags = XDP_FLAGS_UPDATE_IF_NOEXIST;
+static int ifaces[MAX_IFACE_NUM] = {};
+
+static void int_exit(int sig)
+{
+	__u32 prog_id = 0;
+	int i;
+
+	for (i = 0; ifaces[i] > 0; i++) {
+		if (bpf_xdp_query_id(ifaces[i], xdp_flags, &prog_id)) {
+			printf("bpf_xdp_query_id failed\n");
+			exit(1);
+		}
+		if (prog_id)
+			bpf_xdp_detach(ifaces[i], xdp_flags, NULL);
+	}
+
+	exit(0);
+}
+
+static int get_mac_addr(unsigned int ifindex, void *mac_addr)
+{
+	char ifname[IF_NAMESIZE];
+	struct ifreq ifr;
+	int fd, ret = -1;
+
+	fd = socket(AF_INET, SOCK_DGRAM, 0);
+	if (fd < 0)
+		return ret;
+
+	if (!if_indextoname(ifindex, ifname))
+		goto err_out;
+
+	strcpy(ifr.ifr_name, ifname);
+
+	if (ioctl(fd, SIOCGIFHWADDR, &ifr) != 0)
+		goto err_out;
+
+	memcpy(mac_addr, ifr.ifr_hwaddr.sa_data, 6 * sizeof(char));
+	ret = 0;
+
+err_out:
+	close(fd);
+	return ret;
+}
+
+static void usage(const char *prog)
+{
+	fprintf(stderr,
+		"usage: %s [OPTS] <IFNAME|IFINDEX> <IFNAME|IFINDEX> ...\n"
+		"OPTS:\n"
+		"    -S    use skb-mode\n"
+		"    -N    enforce native mode\n"
+		"    -F    force loading prog\n"
+		"    -X    load xdp program on egress\n",
+		prog);
+}
+
+int main(int argc, char **argv)
+{
+	int prog_fd, group_all, mac_map;
+	struct bpf_program *ingress_prog, *egress_prog;
+	int i, err, ret, opt, egress_prog_fd = 0;
+	struct bpf_devmap_val devmap_val;
+	bool attach_egress_prog = false;
+	unsigned char mac_addr[6];
+	char ifname[IF_NAMESIZE];
+	struct bpf_object *obj;
+	unsigned int ifindex;
+	char filename[256];
+
+	while ((opt = getopt(argc, argv, "SNFX")) != -1) {
+		switch (opt) {
+		case 'S':
+			xdp_flags |= XDP_FLAGS_SKB_MODE;
+			break;
+		case 'N':
+			/* default, set below */
+			break;
+		case 'F':
+			xdp_flags &= ~XDP_FLAGS_UPDATE_IF_NOEXIST;
+			break;
+		case 'X':
+			attach_egress_prog = true;
+			break;
+		default:
+			usage(basename(argv[0]));
+			return 1;
+		}
+	}
+
+	if (!(xdp_flags & XDP_FLAGS_SKB_MODE)) {
+		xdp_flags |= XDP_FLAGS_DRV_MODE;
+	} else if (attach_egress_prog) {
+		printf("Load xdp program on egress with SKB mode not supported yet\n");
+		goto err_out;
+	}
+
+	if (optind == argc) {
+		printf("usage: %s <IFNAME|IFINDEX> <IFNAME|IFINDEX> ...\n", argv[0]);
+		goto err_out;
+	}
+
+	printf("Get interfaces:");
+	for (i = 0; i < MAX_IFACE_NUM && argv[optind + i]; i++) {
+		ifaces[i] = if_nametoindex(argv[optind + i]);
+		if (!ifaces[i])
+			ifaces[i] = strtoul(argv[optind + i], NULL, 0);
+		if (!if_indextoname(ifaces[i], ifname)) {
+			perror("Invalid interface name or i");
+			goto err_out;
+		}
+		if (ifaces[i] > MAX_INDEX_NUM) {
+			printf(" interface index too large\n");
+			goto err_out;
+		}
+		printf(" %d", ifaces[i]);
+	}
+	printf("\n");
+
+	snprintf(filename, sizeof(filename), "%s_kern.bpf.o", argv[0]);
+	obj = bpf_object__open_file(filename, NULL);
+	err = libbpf_get_error(obj);
+	if (err)
+		goto err_out;
+	err = bpf_object__load(obj);
+	if (err)
+		goto err_out;
+	prog_fd = bpf_program__fd(bpf_object__next_program(obj, NULL));
+
+	if (attach_egress_prog)
+		group_all = bpf_object__find_map_fd_by_name(obj, "map_egress");
+	else
+		group_all = bpf_object__find_map_fd_by_name(obj, "map_all");
+	mac_map = bpf_object__find_map_fd_by_name(obj, "mac_map");
+
+	if (group_all < 0 || mac_map < 0) {
+		printf("bpf_object__find_map_fd_by_name failed\n");
+		goto err_out;
+	}
+
+	if (attach_egress_prog) {
+		/* Find ingress/egress prog for 2nd xdp prog */
+		ingress_prog = bpf_object__find_program_by_name(obj, "xdp_redirect_map_all_prog");
+		egress_prog = bpf_object__find_program_by_name(obj, "xdp_devmap_prog");
+		if (!ingress_prog || !egress_prog) {
+			printf("finding ingress/egress_prog in obj file failed\n");
+			goto err_out;
+		}
+		prog_fd = bpf_program__fd(ingress_prog);
+		egress_prog_fd = bpf_program__fd(egress_prog);
+		if (prog_fd < 0 || egress_prog_fd < 0) {
+			printf("find egress_prog fd failed\n");
+			goto err_out;
+		}
+	}
+
+	signal(SIGINT, int_exit);
+	signal(SIGTERM, int_exit);
+
+	/* Init forward multicast groups and exclude group */
+	for (i = 0; ifaces[i] > 0; i++) {
+		ifindex = ifaces[i];
+
+		if (attach_egress_prog) {
+			ret = get_mac_addr(ifindex, mac_addr);
+			if (ret < 0) {
+				printf("get interface %d mac failed\n", ifindex);
+				goto err_out;
+			}
+			ret = bpf_map_update_elem(mac_map, &ifindex, mac_addr, 0);
+			if (ret) {
+				perror("bpf_update_elem mac_map failed\n");
+				goto err_out;
+			}
+		}
+
+		/* Add all the interfaces to group all */
+		devmap_val.ifindex = ifindex;
+		devmap_val.bpf_prog.fd = egress_prog_fd;
+		ret = bpf_map_update_elem(group_all, &ifindex, &devmap_val, 0);
+		if (ret) {
+			perror("bpf_map_update_elem");
+			goto err_out;
+		}
+
+		/* bind prog_fd to each interface */
+		ret = bpf_xdp_attach(ifindex, prog_fd, xdp_flags, NULL);
+		if (ret) {
+			printf("Set xdp fd failed on %d\n", ifindex);
+			goto err_out;
+		}
+	}
+
+	/* sleep some time for testing */
+	sleep(999);
+
+	return 0;
+
+err_out:
+	return 1;
+}
diff --git a/tools/testing/selftests/bpf/xdp_synproxy.c b/tools/testing/selftests/bpf/xdp_synproxy.c
new file mode 100644
index 000000000..6dbe0b745
--- /dev/null
+++ b/tools/testing/selftests/bpf/xdp_synproxy.c
@@ -0,0 +1,468 @@
+// SPDX-License-Identifier: LGPL-2.1 OR BSD-2-Clause
+/* Copyright (c) 2022, NVIDIA CORPORATION & AFFILIATES. All rights reserved. */
+
+#include <stdnoreturn.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <errno.h>
+#include <unistd.h>
+#include <getopt.h>
+#include <signal.h>
+#include <sys/types.h>
+#include <bpf/bpf.h>
+#include <bpf/libbpf.h>
+#include <net/if.h>
+#include <linux/if_link.h>
+#include <linux/limits.h>
+
+static unsigned int ifindex;
+static __u32 attached_prog_id;
+static bool attached_tc;
+
+static void noreturn cleanup(int sig)
+{
+	LIBBPF_OPTS(bpf_xdp_attach_opts, opts);
+	int prog_fd;
+	int err;
+
+	if (attached_prog_id == 0)
+		exit(0);
+
+	if (attached_tc) {
+		LIBBPF_OPTS(bpf_tc_hook, hook,
+			    .ifindex = ifindex,
+			    .attach_point = BPF_TC_INGRESS);
+
+		err = bpf_tc_hook_destroy(&hook);
+		if (err < 0) {
+			fprintf(stderr, "Error: bpf_tc_hook_destroy: %s\n", strerror(-err));
+			fprintf(stderr, "Failed to destroy the TC hook\n");
+			exit(1);
+		}
+		exit(0);
+	}
+
+	prog_fd = bpf_prog_get_fd_by_id(attached_prog_id);
+	if (prog_fd < 0) {
+		fprintf(stderr, "Error: bpf_prog_get_fd_by_id: %s\n", strerror(-prog_fd));
+		err = bpf_xdp_attach(ifindex, -1, 0, NULL);
+		if (err < 0) {
+			fprintf(stderr, "Error: bpf_set_link_xdp_fd: %s\n", strerror(-err));
+			fprintf(stderr, "Failed to detach XDP program\n");
+			exit(1);
+		}
+	} else {
+		opts.old_prog_fd = prog_fd;
+		err = bpf_xdp_attach(ifindex, -1, XDP_FLAGS_REPLACE, &opts);
+		close(prog_fd);
+		if (err < 0) {
+			fprintf(stderr, "Error: bpf_set_link_xdp_fd_opts: %s\n", strerror(-err));
+			/* Not an error if already replaced by someone else. */
+			if (err != -EEXIST) {
+				fprintf(stderr, "Failed to detach XDP program\n");
+				exit(1);
+			}
+		}
+	}
+	exit(0);
+}
+
+static noreturn void usage(const char *progname)
+{
+	fprintf(stderr, "Usage: %s [--iface <iface>|--prog <prog_id>] [--mss4 <mss ipv4> --mss6 <mss ipv6> --wscale <wscale> --ttl <ttl>] [--ports <port1>,<port2>,...] [--single] [--tc]\n",
+		progname);
+	exit(1);
+}
+
+static unsigned long parse_arg_ul(const char *progname, const char *arg, unsigned long limit)
+{
+	unsigned long res;
+	char *endptr;
+
+	errno = 0;
+	res = strtoul(arg, &endptr, 10);
+	if (errno != 0 || *endptr != '\0' || arg[0] == '\0' || res > limit)
+		usage(progname);
+
+	return res;
+}
+
+static void parse_options(int argc, char *argv[], unsigned int *ifindex, __u32 *prog_id,
+			  __u64 *tcpipopts, char **ports, bool *single, bool *tc)
+{
+	static struct option long_options[] = {
+		{ "help", no_argument, NULL, 'h' },
+		{ "iface", required_argument, NULL, 'i' },
+		{ "prog", required_argument, NULL, 'x' },
+		{ "mss4", required_argument, NULL, 4 },
+		{ "mss6", required_argument, NULL, 6 },
+		{ "wscale", required_argument, NULL, 'w' },
+		{ "ttl", required_argument, NULL, 't' },
+		{ "ports", required_argument, NULL, 'p' },
+		{ "single", no_argument, NULL, 's' },
+		{ "tc", no_argument, NULL, 'c' },
+		{ NULL, 0, NULL, 0 },
+	};
+	unsigned long mss4, wscale, ttl;
+	unsigned long long mss6;
+	unsigned int tcpipopts_mask = 0;
+
+	if (argc < 2)
+		usage(argv[0]);
+
+	*ifindex = 0;
+	*prog_id = 0;
+	*tcpipopts = 0;
+	*ports = NULL;
+	*single = false;
+	*tc = false;
+
+	while (true) {
+		int opt;
+
+		opt = getopt_long(argc, argv, "", long_options, NULL);
+		if (opt == -1)
+			break;
+
+		switch (opt) {
+		case 'h':
+			usage(argv[0]);
+			break;
+		case 'i':
+			*ifindex = if_nametoindex(optarg);
+			if (*ifindex == 0)
+				usage(argv[0]);
+			break;
+		case 'x':
+			*prog_id = parse_arg_ul(argv[0], optarg, UINT32_MAX);
+			if (*prog_id == 0)
+				usage(argv[0]);
+			break;
+		case 4:
+			mss4 = parse_arg_ul(argv[0], optarg, UINT16_MAX);
+			tcpipopts_mask |= 1 << 0;
+			break;
+		case 6:
+			mss6 = parse_arg_ul(argv[0], optarg, UINT16_MAX);
+			tcpipopts_mask |= 1 << 1;
+			break;
+		case 'w':
+			wscale = parse_arg_ul(argv[0], optarg, 14);
+			tcpipopts_mask |= 1 << 2;
+			break;
+		case 't':
+			ttl = parse_arg_ul(argv[0], optarg, UINT8_MAX);
+			tcpipopts_mask |= 1 << 3;
+			break;
+		case 'p':
+			*ports = optarg;
+			break;
+		case 's':
+			*single = true;
+			break;
+		case 'c':
+			*tc = true;
+			break;
+		default:
+			usage(argv[0]);
+		}
+	}
+	if (optind < argc)
+		usage(argv[0]);
+
+	if (tcpipopts_mask == 0xf) {
+		if (mss4 == 0 || mss6 == 0 || wscale == 0 || ttl == 0)
+			usage(argv[0]);
+		*tcpipopts = (mss6 << 32) | (ttl << 24) | (wscale << 16) | mss4;
+	} else if (tcpipopts_mask != 0) {
+		usage(argv[0]);
+	}
+
+	if (*ifindex != 0 && *prog_id != 0)
+		usage(argv[0]);
+	if (*ifindex == 0 && *prog_id == 0)
+		usage(argv[0]);
+}
+
+static int syncookie_attach(const char *argv0, unsigned int ifindex, bool tc)
+{
+	struct bpf_prog_info info = {};
+	__u32 info_len = sizeof(info);
+	char xdp_filename[PATH_MAX];
+	struct bpf_program *prog;
+	struct bpf_object *obj;
+	int prog_fd;
+	int err;
+
+	snprintf(xdp_filename, sizeof(xdp_filename), "%s_kern.bpf.o", argv0);
+	obj = bpf_object__open_file(xdp_filename, NULL);
+	err = libbpf_get_error(obj);
+	if (err < 0) {
+		fprintf(stderr, "Error: bpf_object__open_file: %s\n", strerror(-err));
+		return err;
+	}
+
+	err = bpf_object__load(obj);
+	if (err < 0) {
+		fprintf(stderr, "Error: bpf_object__open_file: %s\n", strerror(-err));
+		return err;
+	}
+
+	prog = bpf_object__find_program_by_name(obj, tc ? "syncookie_tc" : "syncookie_xdp");
+	if (!prog) {
+		fprintf(stderr, "Error: bpf_object__find_program_by_name: program was not found\n");
+		return -ENOENT;
+	}
+
+	prog_fd = bpf_program__fd(prog);
+
+	err = bpf_obj_get_info_by_fd(prog_fd, &info, &info_len);
+	if (err < 0) {
+		fprintf(stderr, "Error: bpf_obj_get_info_by_fd: %s\n", strerror(-err));
+		goto out;
+	}
+	attached_tc = tc;
+	attached_prog_id = info.id;
+	signal(SIGINT, cleanup);
+	signal(SIGTERM, cleanup);
+	if (tc) {
+		LIBBPF_OPTS(bpf_tc_hook, hook,
+			    .ifindex = ifindex,
+			    .attach_point = BPF_TC_INGRESS);
+		LIBBPF_OPTS(bpf_tc_opts, opts,
+			    .handle = 1,
+			    .priority = 1,
+			    .prog_fd = prog_fd);
+
+		err = bpf_tc_hook_create(&hook);
+		if (err < 0) {
+			fprintf(stderr, "Error: bpf_tc_hook_create: %s\n",
+				strerror(-err));
+			goto fail;
+		}
+		err = bpf_tc_attach(&hook, &opts);
+		if (err < 0) {
+			fprintf(stderr, "Error: bpf_tc_attach: %s\n",
+				strerror(-err));
+			goto fail;
+		}
+
+	} else {
+		err = bpf_xdp_attach(ifindex, prog_fd,
+				     XDP_FLAGS_UPDATE_IF_NOEXIST, NULL);
+		if (err < 0) {
+			fprintf(stderr, "Error: bpf_set_link_xdp_fd: %s\n",
+				strerror(-err));
+			goto fail;
+		}
+	}
+	err = 0;
+out:
+	bpf_object__close(obj);
+	return err;
+fail:
+	signal(SIGINT, SIG_DFL);
+	signal(SIGTERM, SIG_DFL);
+	attached_prog_id = 0;
+	goto out;
+}
+
+static int syncookie_open_bpf_maps(__u32 prog_id, int *values_map_fd, int *ports_map_fd)
+{
+	struct bpf_prog_info prog_info;
+	__u32 map_ids[8];
+	__u32 info_len;
+	int prog_fd;
+	int err;
+	int i;
+
+	*values_map_fd = -1;
+	*ports_map_fd = -1;
+
+	prog_fd = bpf_prog_get_fd_by_id(prog_id);
+	if (prog_fd < 0) {
+		fprintf(stderr, "Error: bpf_prog_get_fd_by_id: %s\n", strerror(-prog_fd));
+		return prog_fd;
+	}
+
+	prog_info = (struct bpf_prog_info) {
+		.nr_map_ids = 8,
+		.map_ids = (__u64)(unsigned long)map_ids,
+	};
+	info_len = sizeof(prog_info);
+
+	err = bpf_obj_get_info_by_fd(prog_fd, &prog_info, &info_len);
+	if (err != 0) {
+		fprintf(stderr, "Error: bpf_obj_get_info_by_fd: %s\n", strerror(-err));
+		goto out;
+	}
+
+	if (prog_info.nr_map_ids < 2) {
+		fprintf(stderr, "Error: Found %u BPF maps, expected at least 2\n",
+			prog_info.nr_map_ids);
+		err = -ENOENT;
+		goto out;
+	}
+
+	for (i = 0; i < prog_info.nr_map_ids; i++) {
+		struct bpf_map_info map_info = {};
+		int map_fd;
+
+		err = bpf_map_get_fd_by_id(map_ids[i]);
+		if (err < 0) {
+			fprintf(stderr, "Error: bpf_map_get_fd_by_id: %s\n", strerror(-err));
+			goto err_close_map_fds;
+		}
+		map_fd = err;
+
+		info_len = sizeof(map_info);
+		err = bpf_obj_get_info_by_fd(map_fd, &map_info, &info_len);
+		if (err != 0) {
+			fprintf(stderr, "Error: bpf_obj_get_info_by_fd: %s\n", strerror(-err));
+			close(map_fd);
+			goto err_close_map_fds;
+		}
+		if (strcmp(map_info.name, "values") == 0) {
+			*values_map_fd = map_fd;
+			continue;
+		}
+		if (strcmp(map_info.name, "allowed_ports") == 0) {
+			*ports_map_fd = map_fd;
+			continue;
+		}
+		close(map_fd);
+	}
+
+	if (*values_map_fd != -1 && *ports_map_fd != -1) {
+		err = 0;
+		goto out;
+	}
+
+	err = -ENOENT;
+
+err_close_map_fds:
+	if (*values_map_fd != -1)
+		close(*values_map_fd);
+	if (*ports_map_fd != -1)
+		close(*ports_map_fd);
+	*values_map_fd = -1;
+	*ports_map_fd = -1;
+
+out:
+	close(prog_fd);
+	return err;
+}
+
+int main(int argc, char *argv[])
+{
+	int values_map_fd, ports_map_fd;
+	__u64 tcpipopts;
+	bool firstiter;
+	__u64 prevcnt;
+	__u32 prog_id;
+	char *ports;
+	bool single;
+	int err = 0;
+	bool tc;
+
+	parse_options(argc, argv, &ifindex, &prog_id, &tcpipopts, &ports,
+		      &single, &tc);
+
+	if (prog_id == 0) {
+		if (!tc) {
+			err = bpf_xdp_query_id(ifindex, 0, &prog_id);
+			if (err < 0) {
+				fprintf(stderr, "Error: bpf_get_link_xdp_id: %s\n",
+					strerror(-err));
+				goto out;
+			}
+		}
+		if (prog_id == 0) {
+			err = syncookie_attach(argv[0], ifindex, tc);
+			if (err < 0)
+				goto out;
+			prog_id = attached_prog_id;
+		}
+	}
+
+	err = syncookie_open_bpf_maps(prog_id, &values_map_fd, &ports_map_fd);
+	if (err < 0)
+		goto out;
+
+	if (ports) {
+		__u16 port_last = 0;
+		__u32 port_idx = 0;
+		char *p = ports;
+
+		fprintf(stderr, "Replacing allowed ports\n");
+
+		while (p && *p != '\0') {
+			char *token = strsep(&p, ",");
+			__u16 port;
+
+			port = parse_arg_ul(argv[0], token, UINT16_MAX);
+			err = bpf_map_update_elem(ports_map_fd, &port_idx, &port, BPF_ANY);
+			if (err != 0) {
+				fprintf(stderr, "Error: bpf_map_update_elem: %s\n", strerror(-err));
+				fprintf(stderr, "Failed to add port %u (index %u)\n",
+					port, port_idx);
+				goto out_close_maps;
+			}
+			fprintf(stderr, "Added port %u\n", port);
+			port_idx++;
+		}
+		err = bpf_map_update_elem(ports_map_fd, &port_idx, &port_last, BPF_ANY);
+		if (err != 0) {
+			fprintf(stderr, "Error: bpf_map_update_elem: %s\n", strerror(-err));
+			fprintf(stderr, "Failed to add the terminator value 0 (index %u)\n",
+				port_idx);
+			goto out_close_maps;
+		}
+	}
+
+	if (tcpipopts) {
+		__u32 key = 0;
+
+		fprintf(stderr, "Replacing TCP/IP options\n");
+
+		err = bpf_map_update_elem(values_map_fd, &key, &tcpipopts, BPF_ANY);
+		if (err != 0) {
+			fprintf(stderr, "Error: bpf_map_update_elem: %s\n", strerror(-err));
+			goto out_close_maps;
+		}
+	}
+
+	if ((ports || tcpipopts) && attached_prog_id == 0 && !single)
+		goto out_close_maps;
+
+	prevcnt = 0;
+	firstiter = true;
+	while (true) {
+		__u32 key = 1;
+		__u64 value;
+
+		err = bpf_map_lookup_elem(values_map_fd, &key, &value);
+		if (err != 0) {
+			fprintf(stderr, "Error: bpf_map_lookup_elem: %s\n", strerror(-err));
+			goto out_close_maps;
+		}
+		if (firstiter) {
+			prevcnt = value;
+			firstiter = false;
+		}
+		if (single) {
+			printf("Total SYNACKs generated: %llu\n", value);
+			break;
+		}
+		printf("SYNACKs generated: %llu (total %llu)\n", value - prevcnt, value);
+		prevcnt = value;
+		sleep(1);
+	}
+
+out_close_maps:
+	close(values_map_fd);
+	close(ports_map_fd);
+out:
+	return err == 0 ? 0 : 1;
+}
diff --git a/tools/testing/selftests/bpf/xdping.c b/tools/testing/selftests/bpf/xdping.c
new file mode 100644
index 000000000..1503a1d2f
--- /dev/null
+++ b/tools/testing/selftests/bpf/xdping.c
@@ -0,0 +1,254 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2019, Oracle and/or its affiliates. All rights reserved. */
+
+#include <linux/bpf.h>
+#include <linux/if_link.h>
+#include <arpa/inet.h>
+#include <assert.h>
+#include <errno.h>
+#include <signal.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <libgen.h>
+#include <net/if.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <netdb.h>
+
+#include "bpf/bpf.h"
+#include "bpf/libbpf.h"
+
+#include "xdping.h"
+#include "testing_helpers.h"
+
+static int ifindex;
+static __u32 xdp_flags = XDP_FLAGS_UPDATE_IF_NOEXIST;
+
+static void cleanup(int sig)
+{
+	bpf_xdp_detach(ifindex, xdp_flags, NULL);
+	if (sig)
+		exit(1);
+}
+
+static int get_stats(int fd, __u16 count, __u32 raddr)
+{
+	struct pinginfo pinginfo = { 0 };
+	char inaddrbuf[INET_ADDRSTRLEN];
+	struct in_addr inaddr;
+	__u16 i;
+
+	inaddr.s_addr = raddr;
+
+	printf("\nXDP RTT data:\n");
+
+	if (bpf_map_lookup_elem(fd, &raddr, &pinginfo)) {
+		perror("bpf_map_lookup elem");
+		return 1;
+	}
+
+	for (i = 0; i < count; i++) {
+		if (pinginfo.times[i] == 0)
+			break;
+
+		printf("64 bytes from %s: icmp_seq=%d ttl=64 time=%#.5f ms\n",
+		       inet_ntop(AF_INET, &inaddr, inaddrbuf,
+				 sizeof(inaddrbuf)),
+		       count + i + 1,
+		       (double)pinginfo.times[i]/1000000);
+	}
+
+	if (i < count) {
+		fprintf(stderr, "Expected %d samples, got %d.\n", count, i);
+		return 1;
+	}
+
+	bpf_map_delete_elem(fd, &raddr);
+
+	return 0;
+}
+
+static void show_usage(const char *prog)
+{
+	fprintf(stderr,
+		"usage: %s [OPTS] -I interface destination\n\n"
+		"OPTS:\n"
+		"    -c count		Stop after sending count requests\n"
+		"			(default %d, max %d)\n"
+		"    -I interface	interface name\n"
+		"    -N			Run in driver mode\n"
+		"    -s			Server mode\n"
+		"    -S			Run in skb mode\n",
+		prog, XDPING_DEFAULT_COUNT, XDPING_MAX_COUNT);
+}
+
+int main(int argc, char **argv)
+{
+	__u32 mode_flags = XDP_FLAGS_DRV_MODE | XDP_FLAGS_SKB_MODE;
+	struct addrinfo *a, hints = { .ai_family = AF_INET };
+	__u16 count = XDPING_DEFAULT_COUNT;
+	struct pinginfo pinginfo = { 0 };
+	const char *optstr = "c:I:NsS";
+	struct bpf_program *main_prog;
+	int prog_fd = -1, map_fd = -1;
+	struct sockaddr_in rin;
+	struct bpf_object *obj;
+	struct bpf_map *map;
+	char *ifname = NULL;
+	char filename[256];
+	int opt, ret = 1;
+	__u32 raddr = 0;
+	int server = 0;
+	char cmd[256];
+
+	while ((opt = getopt(argc, argv, optstr)) != -1) {
+		switch (opt) {
+		case 'c':
+			count = atoi(optarg);
+			if (count < 1 || count > XDPING_MAX_COUNT) {
+				fprintf(stderr,
+					"min count is 1, max count is %d\n",
+					XDPING_MAX_COUNT);
+				return 1;
+			}
+			break;
+		case 'I':
+			ifname = optarg;
+			ifindex = if_nametoindex(ifname);
+			if (!ifindex) {
+				fprintf(stderr, "Could not get interface %s\n",
+					ifname);
+				return 1;
+			}
+			break;
+		case 'N':
+			xdp_flags |= XDP_FLAGS_DRV_MODE;
+			break;
+		case 's':
+			/* use server program */
+			server = 1;
+			break;
+		case 'S':
+			xdp_flags |= XDP_FLAGS_SKB_MODE;
+			break;
+		default:
+			show_usage(basename(argv[0]));
+			return 1;
+		}
+	}
+
+	if (!ifname) {
+		show_usage(basename(argv[0]));
+		return 1;
+	}
+	if (!server && optind == argc) {
+		show_usage(basename(argv[0]));
+		return 1;
+	}
+
+	if ((xdp_flags & mode_flags) == mode_flags) {
+		fprintf(stderr, "-N or -S can be specified, not both.\n");
+		show_usage(basename(argv[0]));
+		return 1;
+	}
+
+	if (!server) {
+		/* Only supports IPv4; see hints initiailization above. */
+		if (getaddrinfo(argv[optind], NULL, &hints, &a) || !a) {
+			fprintf(stderr, "Could not resolve %s\n", argv[optind]);
+			return 1;
+		}
+		memcpy(&rin, a->ai_addr, sizeof(rin));
+		raddr = rin.sin_addr.s_addr;
+		freeaddrinfo(a);
+	}
+
+	/* Use libbpf 1.0 API mode */
+	libbpf_set_strict_mode(LIBBPF_STRICT_ALL);
+
+	snprintf(filename, sizeof(filename), "%s_kern.bpf.o", argv[0]);
+
+	if (bpf_prog_test_load(filename, BPF_PROG_TYPE_XDP, &obj, &prog_fd)) {
+		fprintf(stderr, "load of %s failed\n", filename);
+		return 1;
+	}
+
+	main_prog = bpf_object__find_program_by_name(obj,
+						     server ? "xdping_server" : "xdping_client");
+	if (main_prog)
+		prog_fd = bpf_program__fd(main_prog);
+	if (!main_prog || prog_fd < 0) {
+		fprintf(stderr, "could not find xdping program");
+		return 1;
+	}
+
+	map = bpf_object__next_map(obj, NULL);
+	if (map)
+		map_fd = bpf_map__fd(map);
+	if (!map || map_fd < 0) {
+		fprintf(stderr, "Could not find ping map");
+		goto done;
+	}
+
+	signal(SIGINT, cleanup);
+	signal(SIGTERM, cleanup);
+
+	printf("Setting up XDP for %s, please wait...\n", ifname);
+
+	printf("XDP setup disrupts network connectivity, hit Ctrl+C to quit\n");
+
+	if (bpf_xdp_attach(ifindex, prog_fd, xdp_flags, NULL) < 0) {
+		fprintf(stderr, "Link set xdp fd failed for %s\n", ifname);
+		goto done;
+	}
+
+	if (server) {
+		close(prog_fd);
+		close(map_fd);
+		printf("Running server on %s; press Ctrl+C to exit...\n",
+		       ifname);
+		do { } while (1);
+	}
+
+	/* Start xdping-ing from last regular ping reply, e.g. for a count
+	 * of 10 ICMP requests, we start xdping-ing using reply with seq number
+	 * 10.  The reason the last "real" ping RTT is much higher is that
+	 * the ping program sees the ICMP reply associated with the last
+	 * XDP-generated packet, so ping doesn't get a reply until XDP is done.
+	 */
+	pinginfo.seq = htons(count);
+	pinginfo.count = count;
+
+	if (bpf_map_update_elem(map_fd, &raddr, &pinginfo, BPF_ANY)) {
+		fprintf(stderr, "could not communicate with BPF map: %s\n",
+			strerror(errno));
+		cleanup(0);
+		goto done;
+	}
+
+	/* We need to wait for XDP setup to complete. */
+	sleep(10);
+
+	snprintf(cmd, sizeof(cmd), "ping -c %d -I %s %s",
+		 count, ifname, argv[optind]);
+
+	printf("\nNormal ping RTT data\n");
+	printf("[Ignore final RTT; it is distorted by XDP using the reply]\n");
+
+	ret = system(cmd);
+
+	if (!ret)
+		ret = get_stats(map_fd, count, raddr);
+
+	cleanup(0);
+
+done:
+	if (prog_fd > 0)
+		close(prog_fd);
+	if (map_fd > 0)
+		close(map_fd);
+
+	return ret;
+}
diff --git a/tools/testing/selftests/bpf/xdping.h b/tools/testing/selftests/bpf/xdping.h
new file mode 100644
index 000000000..afc578df7
--- /dev/null
+++ b/tools/testing/selftests/bpf/xdping.h
@@ -0,0 +1,13 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* Copyright (c) 2019, Oracle and/or its affiliates. All rights reserved. */
+
+#define	XDPING_MAX_COUNT	10
+#define	XDPING_DEFAULT_COUNT	4
+
+struct pinginfo {
+	__u64	start;
+	__be16	seq;
+	__u16	count;
+	__u32	pad;
+	__u64	times[XDPING_MAX_COUNT];
+};
diff --git a/tools/testing/selftests/bpf/xsk.c b/tools/testing/selftests/bpf/xsk.c
new file mode 100644
index 000000000..0b3ff49c7
--- /dev/null
+++ b/tools/testing/selftests/bpf/xsk.c
@@ -0,0 +1,1268 @@
+// SPDX-License-Identifier: (LGPL-2.1 OR BSD-2-Clause)
+
+/*
+ * AF_XDP user-space access library.
+ *
+ * Copyright(c) 2018 - 2019 Intel Corporation.
+ *
+ * Author(s): Magnus Karlsson <magnus.karlsson@intel.com>
+ */
+
+#include <errno.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <arpa/inet.h>
+#include <asm/barrier.h>
+#include <linux/compiler.h>
+#include <linux/ethtool.h>
+#include <linux/filter.h>
+#include <linux/if_ether.h>
+#include <linux/if_packet.h>
+#include <linux/if_xdp.h>
+#include <linux/kernel.h>
+#include <linux/list.h>
+#include <linux/sockios.h>
+#include <net/if.h>
+#include <sys/ioctl.h>
+#include <sys/mman.h>
+#include <sys/socket.h>
+#include <sys/types.h>
+#include <linux/if_link.h>
+
+#include <bpf/bpf.h>
+#include <bpf/libbpf.h>
+#include "xsk.h"
+
+#ifndef SOL_XDP
+ #define SOL_XDP 283
+#endif
+
+#ifndef AF_XDP
+ #define AF_XDP 44
+#endif
+
+#ifndef PF_XDP
+ #define PF_XDP AF_XDP
+#endif
+
+#define pr_warn(fmt, ...) fprintf(stderr, fmt, ##__VA_ARGS__)
+
+enum xsk_prog {
+	XSK_PROG_FALLBACK,
+	XSK_PROG_REDIRECT_FLAGS,
+};
+
+struct xsk_umem {
+	struct xsk_ring_prod *fill_save;
+	struct xsk_ring_cons *comp_save;
+	char *umem_area;
+	struct xsk_umem_config config;
+	int fd;
+	int refcount;
+	struct list_head ctx_list;
+	bool rx_ring_setup_done;
+	bool tx_ring_setup_done;
+};
+
+struct xsk_ctx {
+	struct xsk_ring_prod *fill;
+	struct xsk_ring_cons *comp;
+	__u32 queue_id;
+	struct xsk_umem *umem;
+	int refcount;
+	int ifindex;
+	struct list_head list;
+	int prog_fd;
+	int link_fd;
+	int xsks_map_fd;
+	char ifname[IFNAMSIZ];
+	bool has_bpf_link;
+};
+
+struct xsk_socket {
+	struct xsk_ring_cons *rx;
+	struct xsk_ring_prod *tx;
+	__u64 outstanding_tx;
+	struct xsk_ctx *ctx;
+	struct xsk_socket_config config;
+	int fd;
+};
+
+struct xsk_nl_info {
+	bool xdp_prog_attached;
+	int ifindex;
+	int fd;
+};
+
+/* Up until and including Linux 5.3 */
+struct xdp_ring_offset_v1 {
+	__u64 producer;
+	__u64 consumer;
+	__u64 desc;
+};
+
+/* Up until and including Linux 5.3 */
+struct xdp_mmap_offsets_v1 {
+	struct xdp_ring_offset_v1 rx;
+	struct xdp_ring_offset_v1 tx;
+	struct xdp_ring_offset_v1 fr;
+	struct xdp_ring_offset_v1 cr;
+};
+
+int xsk_umem__fd(const struct xsk_umem *umem)
+{
+	return umem ? umem->fd : -EINVAL;
+}
+
+int xsk_socket__fd(const struct xsk_socket *xsk)
+{
+	return xsk ? xsk->fd : -EINVAL;
+}
+
+static bool xsk_page_aligned(void *buffer)
+{
+	unsigned long addr = (unsigned long)buffer;
+
+	return !(addr & (getpagesize() - 1));
+}
+
+static void xsk_set_umem_config(struct xsk_umem_config *cfg,
+				const struct xsk_umem_config *usr_cfg)
+{
+	if (!usr_cfg) {
+		cfg->fill_size = XSK_RING_PROD__DEFAULT_NUM_DESCS;
+		cfg->comp_size = XSK_RING_CONS__DEFAULT_NUM_DESCS;
+		cfg->frame_size = XSK_UMEM__DEFAULT_FRAME_SIZE;
+		cfg->frame_headroom = XSK_UMEM__DEFAULT_FRAME_HEADROOM;
+		cfg->flags = XSK_UMEM__DEFAULT_FLAGS;
+		return;
+	}
+
+	cfg->fill_size = usr_cfg->fill_size;
+	cfg->comp_size = usr_cfg->comp_size;
+	cfg->frame_size = usr_cfg->frame_size;
+	cfg->frame_headroom = usr_cfg->frame_headroom;
+	cfg->flags = usr_cfg->flags;
+}
+
+static int xsk_set_xdp_socket_config(struct xsk_socket_config *cfg,
+				     const struct xsk_socket_config *usr_cfg)
+{
+	if (!usr_cfg) {
+		cfg->rx_size = XSK_RING_CONS__DEFAULT_NUM_DESCS;
+		cfg->tx_size = XSK_RING_PROD__DEFAULT_NUM_DESCS;
+		cfg->libbpf_flags = 0;
+		cfg->xdp_flags = 0;
+		cfg->bind_flags = 0;
+		return 0;
+	}
+
+	if (usr_cfg->libbpf_flags & ~XSK_LIBBPF_FLAGS__INHIBIT_PROG_LOAD)
+		return -EINVAL;
+
+	cfg->rx_size = usr_cfg->rx_size;
+	cfg->tx_size = usr_cfg->tx_size;
+	cfg->libbpf_flags = usr_cfg->libbpf_flags;
+	cfg->xdp_flags = usr_cfg->xdp_flags;
+	cfg->bind_flags = usr_cfg->bind_flags;
+
+	return 0;
+}
+
+static void xsk_mmap_offsets_v1(struct xdp_mmap_offsets *off)
+{
+	struct xdp_mmap_offsets_v1 off_v1;
+
+	/* getsockopt on a kernel <= 5.3 has no flags fields.
+	 * Copy over the offsets to the correct places in the >=5.4 format
+	 * and put the flags where they would have been on that kernel.
+	 */
+	memcpy(&off_v1, off, sizeof(off_v1));
+
+	off->rx.producer = off_v1.rx.producer;
+	off->rx.consumer = off_v1.rx.consumer;
+	off->rx.desc = off_v1.rx.desc;
+	off->rx.flags = off_v1.rx.consumer + sizeof(__u32);
+
+	off->tx.producer = off_v1.tx.producer;
+	off->tx.consumer = off_v1.tx.consumer;
+	off->tx.desc = off_v1.tx.desc;
+	off->tx.flags = off_v1.tx.consumer + sizeof(__u32);
+
+	off->fr.producer = off_v1.fr.producer;
+	off->fr.consumer = off_v1.fr.consumer;
+	off->fr.desc = off_v1.fr.desc;
+	off->fr.flags = off_v1.fr.consumer + sizeof(__u32);
+
+	off->cr.producer = off_v1.cr.producer;
+	off->cr.consumer = off_v1.cr.consumer;
+	off->cr.desc = off_v1.cr.desc;
+	off->cr.flags = off_v1.cr.consumer + sizeof(__u32);
+}
+
+static int xsk_get_mmap_offsets(int fd, struct xdp_mmap_offsets *off)
+{
+	socklen_t optlen;
+	int err;
+
+	optlen = sizeof(*off);
+	err = getsockopt(fd, SOL_XDP, XDP_MMAP_OFFSETS, off, &optlen);
+	if (err)
+		return err;
+
+	if (optlen == sizeof(*off))
+		return 0;
+
+	if (optlen == sizeof(struct xdp_mmap_offsets_v1)) {
+		xsk_mmap_offsets_v1(off);
+		return 0;
+	}
+
+	return -EINVAL;
+}
+
+static int xsk_create_umem_rings(struct xsk_umem *umem, int fd,
+				 struct xsk_ring_prod *fill,
+				 struct xsk_ring_cons *comp)
+{
+	struct xdp_mmap_offsets off;
+	void *map;
+	int err;
+
+	err = setsockopt(fd, SOL_XDP, XDP_UMEM_FILL_RING,
+			 &umem->config.fill_size,
+			 sizeof(umem->config.fill_size));
+	if (err)
+		return -errno;
+
+	err = setsockopt(fd, SOL_XDP, XDP_UMEM_COMPLETION_RING,
+			 &umem->config.comp_size,
+			 sizeof(umem->config.comp_size));
+	if (err)
+		return -errno;
+
+	err = xsk_get_mmap_offsets(fd, &off);
+	if (err)
+		return -errno;
+
+	map = mmap(NULL, off.fr.desc + umem->config.fill_size * sizeof(__u64),
+		   PROT_READ | PROT_WRITE, MAP_SHARED | MAP_POPULATE, fd,
+		   XDP_UMEM_PGOFF_FILL_RING);
+	if (map == MAP_FAILED)
+		return -errno;
+
+	fill->mask = umem->config.fill_size - 1;
+	fill->size = umem->config.fill_size;
+	fill->producer = map + off.fr.producer;
+	fill->consumer = map + off.fr.consumer;
+	fill->flags = map + off.fr.flags;
+	fill->ring = map + off.fr.desc;
+	fill->cached_cons = umem->config.fill_size;
+
+	map = mmap(NULL, off.cr.desc + umem->config.comp_size * sizeof(__u64),
+		   PROT_READ | PROT_WRITE, MAP_SHARED | MAP_POPULATE, fd,
+		   XDP_UMEM_PGOFF_COMPLETION_RING);
+	if (map == MAP_FAILED) {
+		err = -errno;
+		goto out_mmap;
+	}
+
+	comp->mask = umem->config.comp_size - 1;
+	comp->size = umem->config.comp_size;
+	comp->producer = map + off.cr.producer;
+	comp->consumer = map + off.cr.consumer;
+	comp->flags = map + off.cr.flags;
+	comp->ring = map + off.cr.desc;
+
+	return 0;
+
+out_mmap:
+	munmap(map, off.fr.desc + umem->config.fill_size * sizeof(__u64));
+	return err;
+}
+
+int xsk_umem__create(struct xsk_umem **umem_ptr, void *umem_area,
+		     __u64 size, struct xsk_ring_prod *fill,
+		     struct xsk_ring_cons *comp,
+		     const struct xsk_umem_config *usr_config)
+{
+	struct xdp_umem_reg mr;
+	struct xsk_umem *umem;
+	int err;
+
+	if (!umem_area || !umem_ptr || !fill || !comp)
+		return -EFAULT;
+	if (!size && !xsk_page_aligned(umem_area))
+		return -EINVAL;
+
+	umem = calloc(1, sizeof(*umem));
+	if (!umem)
+		return -ENOMEM;
+
+	umem->fd = socket(AF_XDP, SOCK_RAW | SOCK_CLOEXEC, 0);
+	if (umem->fd < 0) {
+		err = -errno;
+		goto out_umem_alloc;
+	}
+
+	umem->umem_area = umem_area;
+	INIT_LIST_HEAD(&umem->ctx_list);
+	xsk_set_umem_config(&umem->config, usr_config);
+
+	memset(&mr, 0, sizeof(mr));
+	mr.addr = (uintptr_t)umem_area;
+	mr.len = size;
+	mr.chunk_size = umem->config.frame_size;
+	mr.headroom = umem->config.frame_headroom;
+	mr.flags = umem->config.flags;
+
+	err = setsockopt(umem->fd, SOL_XDP, XDP_UMEM_REG, &mr, sizeof(mr));
+	if (err) {
+		err = -errno;
+		goto out_socket;
+	}
+
+	err = xsk_create_umem_rings(umem, umem->fd, fill, comp);
+	if (err)
+		goto out_socket;
+
+	umem->fill_save = fill;
+	umem->comp_save = comp;
+	*umem_ptr = umem;
+	return 0;
+
+out_socket:
+	close(umem->fd);
+out_umem_alloc:
+	free(umem);
+	return err;
+}
+
+struct xsk_umem_config_v1 {
+	__u32 fill_size;
+	__u32 comp_size;
+	__u32 frame_size;
+	__u32 frame_headroom;
+};
+
+static enum xsk_prog get_xsk_prog(void)
+{
+	enum xsk_prog detected = XSK_PROG_FALLBACK;
+	char data_in = 0, data_out;
+	struct bpf_insn insns[] = {
+		BPF_LD_MAP_FD(BPF_REG_1, 0),
+		BPF_MOV64_IMM(BPF_REG_2, 0),
+		BPF_MOV64_IMM(BPF_REG_3, XDP_PASS),
+		BPF_EMIT_CALL(BPF_FUNC_redirect_map),
+		BPF_EXIT_INSN(),
+	};
+	LIBBPF_OPTS(bpf_test_run_opts, opts,
+		.data_in = &data_in,
+		.data_size_in = 1,
+		.data_out = &data_out,
+	);
+
+	int prog_fd, map_fd, ret, insn_cnt = ARRAY_SIZE(insns);
+
+	map_fd = bpf_map_create(BPF_MAP_TYPE_XSKMAP, NULL, sizeof(int), sizeof(int), 1, NULL);
+	if (map_fd < 0)
+		return detected;
+
+	insns[0].imm = map_fd;
+
+	prog_fd = bpf_prog_load(BPF_PROG_TYPE_XDP, NULL, "GPL", insns, insn_cnt, NULL);
+	if (prog_fd < 0) {
+		close(map_fd);
+		return detected;
+	}
+
+	ret = bpf_prog_test_run_opts(prog_fd, &opts);
+	if (!ret && opts.retval == XDP_PASS)
+		detected = XSK_PROG_REDIRECT_FLAGS;
+	close(prog_fd);
+	close(map_fd);
+	return detected;
+}
+
+static int xsk_load_xdp_prog(struct xsk_socket *xsk)
+{
+	static const int log_buf_size = 16 * 1024;
+	struct xsk_ctx *ctx = xsk->ctx;
+	char log_buf[log_buf_size];
+	int prog_fd;
+
+	/* This is the fallback C-program:
+	 * SEC("xdp_sock") int xdp_sock_prog(struct xdp_md *ctx)
+	 * {
+	 *     int ret, index = ctx->rx_queue_index;
+	 *
+	 *     // A set entry here means that the correspnding queue_id
+	 *     // has an active AF_XDP socket bound to it.
+	 *     ret = bpf_redirect_map(&xsks_map, index, XDP_PASS);
+	 *     if (ret > 0)
+	 *         return ret;
+	 *
+	 *     // Fallback for pre-5.3 kernels, not supporting default
+	 *     // action in the flags parameter.
+	 *     if (bpf_map_lookup_elem(&xsks_map, &index))
+	 *         return bpf_redirect_map(&xsks_map, index, 0);
+	 *     return XDP_PASS;
+	 * }
+	 */
+	struct bpf_insn prog[] = {
+		/* r2 = *(u32 *)(r1 + 16) */
+		BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, 16),
+		/* *(u32 *)(r10 - 4) = r2 */
+		BPF_STX_MEM(BPF_W, BPF_REG_10, BPF_REG_2, -4),
+		/* r1 = xskmap[] */
+		BPF_LD_MAP_FD(BPF_REG_1, ctx->xsks_map_fd),
+		/* r3 = XDP_PASS */
+		BPF_MOV64_IMM(BPF_REG_3, 2),
+		/* call bpf_redirect_map */
+		BPF_EMIT_CALL(BPF_FUNC_redirect_map),
+		/* if w0 != 0 goto pc+13 */
+		BPF_JMP32_IMM(BPF_JSGT, BPF_REG_0, 0, 13),
+		/* r2 = r10 */
+		BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+		/* r2 += -4 */
+		BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -4),
+		/* r1 = xskmap[] */
+		BPF_LD_MAP_FD(BPF_REG_1, ctx->xsks_map_fd),
+		/* call bpf_map_lookup_elem */
+		BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+		/* r1 = r0 */
+		BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+		/* r0 = XDP_PASS */
+		BPF_MOV64_IMM(BPF_REG_0, 2),
+		/* if r1 == 0 goto pc+5 */
+		BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 0, 5),
+		/* r2 = *(u32 *)(r10 - 4) */
+		BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_10, -4),
+		/* r1 = xskmap[] */
+		BPF_LD_MAP_FD(BPF_REG_1, ctx->xsks_map_fd),
+		/* r3 = 0 */
+		BPF_MOV64_IMM(BPF_REG_3, 0),
+		/* call bpf_redirect_map */
+		BPF_EMIT_CALL(BPF_FUNC_redirect_map),
+		/* The jumps are to this instruction */
+		BPF_EXIT_INSN(),
+	};
+
+	/* This is the post-5.3 kernel C-program:
+	 * SEC("xdp_sock") int xdp_sock_prog(struct xdp_md *ctx)
+	 * {
+	 *     return bpf_redirect_map(&xsks_map, ctx->rx_queue_index, XDP_PASS);
+	 * }
+	 */
+	struct bpf_insn prog_redirect_flags[] = {
+		/* r2 = *(u32 *)(r1 + 16) */
+		BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, 16),
+		/* r1 = xskmap[] */
+		BPF_LD_MAP_FD(BPF_REG_1, ctx->xsks_map_fd),
+		/* r3 = XDP_PASS */
+		BPF_MOV64_IMM(BPF_REG_3, 2),
+		/* call bpf_redirect_map */
+		BPF_EMIT_CALL(BPF_FUNC_redirect_map),
+		BPF_EXIT_INSN(),
+	};
+	size_t insns_cnt[] = {ARRAY_SIZE(prog),
+			      ARRAY_SIZE(prog_redirect_flags),
+	};
+	struct bpf_insn *progs[] = {prog, prog_redirect_flags};
+	enum xsk_prog option = get_xsk_prog();
+	LIBBPF_OPTS(bpf_prog_load_opts, opts,
+		.log_buf = log_buf,
+		.log_size = log_buf_size,
+	);
+
+	prog_fd = bpf_prog_load(BPF_PROG_TYPE_XDP, NULL, "LGPL-2.1 or BSD-2-Clause",
+				progs[option], insns_cnt[option], &opts);
+	if (prog_fd < 0) {
+		pr_warn("BPF log buffer:\n%s", log_buf);
+		return prog_fd;
+	}
+
+	ctx->prog_fd = prog_fd;
+	return 0;
+}
+
+static int xsk_create_bpf_link(struct xsk_socket *xsk)
+{
+	DECLARE_LIBBPF_OPTS(bpf_link_create_opts, opts);
+	struct xsk_ctx *ctx = xsk->ctx;
+	__u32 prog_id = 0;
+	int link_fd;
+	int err;
+
+	err = bpf_xdp_query_id(ctx->ifindex, xsk->config.xdp_flags, &prog_id);
+	if (err) {
+		pr_warn("getting XDP prog id failed\n");
+		return err;
+	}
+
+	/* if there's a netlink-based XDP prog loaded on interface, bail out
+	 * and ask user to do the removal by himself
+	 */
+	if (prog_id) {
+		pr_warn("Netlink-based XDP prog detected, please unload it in order to launch AF_XDP prog\n");
+		return -EINVAL;
+	}
+
+	opts.flags = xsk->config.xdp_flags & ~(XDP_FLAGS_UPDATE_IF_NOEXIST | XDP_FLAGS_REPLACE);
+
+	link_fd = bpf_link_create(ctx->prog_fd, ctx->ifindex, BPF_XDP, &opts);
+	if (link_fd < 0) {
+		pr_warn("bpf_link_create failed: %s\n", strerror(errno));
+		return link_fd;
+	}
+
+	ctx->link_fd = link_fd;
+	return 0;
+}
+
+/* Copy up to sz - 1 bytes from zero-terminated src string and ensure that dst
+ * is zero-terminated string no matter what (unless sz == 0, in which case
+ * it's a no-op). It's conceptually close to FreeBSD's strlcpy(), but differs
+ * in what is returned. Given this is internal helper, it's trivial to extend
+ * this, when necessary. Use this instead of strncpy inside libbpf source code.
+ */
+static inline void libbpf_strlcpy(char *dst, const char *src, size_t sz)
+{
+        size_t i;
+
+        if (sz == 0)
+                return;
+
+        sz--;
+        for (i = 0; i < sz && src[i]; i++)
+                dst[i] = src[i];
+        dst[i] = '\0';
+}
+
+static int xsk_get_max_queues(struct xsk_socket *xsk)
+{
+	struct ethtool_channels channels = { .cmd = ETHTOOL_GCHANNELS };
+	struct xsk_ctx *ctx = xsk->ctx;
+	struct ifreq ifr = {};
+	int fd, err, ret;
+
+	fd = socket(AF_LOCAL, SOCK_DGRAM | SOCK_CLOEXEC, 0);
+	if (fd < 0)
+		return -errno;
+
+	ifr.ifr_data = (void *)&channels;
+	libbpf_strlcpy(ifr.ifr_name, ctx->ifname, IFNAMSIZ);
+	err = ioctl(fd, SIOCETHTOOL, &ifr);
+	if (err && errno != EOPNOTSUPP) {
+		ret = -errno;
+		goto out;
+	}
+
+	if (err) {
+		/* If the device says it has no channels, then all traffic
+		 * is sent to a single stream, so max queues = 1.
+		 */
+		ret = 1;
+	} else {
+		/* Take the max of rx, tx, combined. Drivers return
+		 * the number of channels in different ways.
+		 */
+		ret = max(channels.max_rx, channels.max_tx);
+		ret = max(ret, (int)channels.max_combined);
+	}
+
+out:
+	close(fd);
+	return ret;
+}
+
+static int xsk_create_bpf_maps(struct xsk_socket *xsk)
+{
+	struct xsk_ctx *ctx = xsk->ctx;
+	int max_queues;
+	int fd;
+
+	max_queues = xsk_get_max_queues(xsk);
+	if (max_queues < 0)
+		return max_queues;
+
+	fd = bpf_map_create(BPF_MAP_TYPE_XSKMAP, "xsks_map",
+			    sizeof(int), sizeof(int), max_queues, NULL);
+	if (fd < 0)
+		return fd;
+
+	ctx->xsks_map_fd = fd;
+
+	return 0;
+}
+
+static void xsk_delete_bpf_maps(struct xsk_socket *xsk)
+{
+	struct xsk_ctx *ctx = xsk->ctx;
+
+	bpf_map_delete_elem(ctx->xsks_map_fd, &ctx->queue_id);
+	close(ctx->xsks_map_fd);
+}
+
+static int xsk_lookup_bpf_maps(struct xsk_socket *xsk)
+{
+	__u32 i, *map_ids, num_maps, prog_len = sizeof(struct bpf_prog_info);
+	__u32 map_len = sizeof(struct bpf_map_info);
+	struct bpf_prog_info prog_info = {};
+	struct xsk_ctx *ctx = xsk->ctx;
+	struct bpf_map_info map_info;
+	int fd, err;
+
+	err = bpf_obj_get_info_by_fd(ctx->prog_fd, &prog_info, &prog_len);
+	if (err)
+		return err;
+
+	num_maps = prog_info.nr_map_ids;
+
+	map_ids = calloc(prog_info.nr_map_ids, sizeof(*map_ids));
+	if (!map_ids)
+		return -ENOMEM;
+
+	memset(&prog_info, 0, prog_len);
+	prog_info.nr_map_ids = num_maps;
+	prog_info.map_ids = (__u64)(unsigned long)map_ids;
+
+	err = bpf_obj_get_info_by_fd(ctx->prog_fd, &prog_info, &prog_len);
+	if (err)
+		goto out_map_ids;
+
+	ctx->xsks_map_fd = -1;
+
+	for (i = 0; i < prog_info.nr_map_ids; i++) {
+		fd = bpf_map_get_fd_by_id(map_ids[i]);
+		if (fd < 0)
+			continue;
+
+		memset(&map_info, 0, map_len);
+		err = bpf_obj_get_info_by_fd(fd, &map_info, &map_len);
+		if (err) {
+			close(fd);
+			continue;
+		}
+
+		if (!strncmp(map_info.name, "xsks_map", sizeof(map_info.name))) {
+			ctx->xsks_map_fd = fd;
+			break;
+		}
+
+		close(fd);
+	}
+
+	if (ctx->xsks_map_fd == -1)
+		err = -ENOENT;
+
+out_map_ids:
+	free(map_ids);
+	return err;
+}
+
+static int xsk_set_bpf_maps(struct xsk_socket *xsk)
+{
+	struct xsk_ctx *ctx = xsk->ctx;
+
+	return bpf_map_update_elem(ctx->xsks_map_fd, &ctx->queue_id,
+				   &xsk->fd, 0);
+}
+
+static int xsk_link_lookup(int ifindex, __u32 *prog_id, int *link_fd)
+{
+	struct bpf_link_info link_info;
+	__u32 link_len;
+	__u32 id = 0;
+	int err;
+	int fd;
+
+	while (true) {
+		err = bpf_link_get_next_id(id, &id);
+		if (err) {
+			if (errno == ENOENT) {
+				err = 0;
+				break;
+			}
+			pr_warn("can't get next link: %s\n", strerror(errno));
+			break;
+		}
+
+		fd = bpf_link_get_fd_by_id(id);
+		if (fd < 0) {
+			if (errno == ENOENT)
+				continue;
+			pr_warn("can't get link by id (%u): %s\n", id, strerror(errno));
+			err = -errno;
+			break;
+		}
+
+		link_len = sizeof(struct bpf_link_info);
+		memset(&link_info, 0, link_len);
+		err = bpf_obj_get_info_by_fd(fd, &link_info, &link_len);
+		if (err) {
+			pr_warn("can't get link info: %s\n", strerror(errno));
+			close(fd);
+			break;
+		}
+		if (link_info.type == BPF_LINK_TYPE_XDP) {
+			if (link_info.xdp.ifindex == ifindex) {
+				*link_fd = fd;
+				if (prog_id)
+					*prog_id = link_info.prog_id;
+				break;
+			}
+		}
+		close(fd);
+	}
+
+	return err;
+}
+
+static bool xsk_probe_bpf_link(void)
+{
+	LIBBPF_OPTS(bpf_link_create_opts, opts, .flags = XDP_FLAGS_SKB_MODE);
+	struct bpf_insn insns[2] = {
+		BPF_MOV64_IMM(BPF_REG_0, XDP_PASS),
+		BPF_EXIT_INSN()
+	};
+	int prog_fd, link_fd = -1, insn_cnt = ARRAY_SIZE(insns);
+	int ifindex_lo = 1;
+	bool ret = false;
+	int err;
+
+	err = xsk_link_lookup(ifindex_lo, NULL, &link_fd);
+	if (err)
+		return ret;
+
+	if (link_fd >= 0)
+		return true;
+
+	prog_fd = bpf_prog_load(BPF_PROG_TYPE_XDP, NULL, "GPL", insns, insn_cnt, NULL);
+	if (prog_fd < 0)
+		return ret;
+
+	link_fd = bpf_link_create(prog_fd, ifindex_lo, BPF_XDP, &opts);
+	close(prog_fd);
+
+	if (link_fd >= 0) {
+		ret = true;
+		close(link_fd);
+	}
+
+	return ret;
+}
+
+static int xsk_create_xsk_struct(int ifindex, struct xsk_socket *xsk)
+{
+	char ifname[IFNAMSIZ];
+	struct xsk_ctx *ctx;
+	char *interface;
+
+	ctx = calloc(1, sizeof(*ctx));
+	if (!ctx)
+		return -ENOMEM;
+
+	interface = if_indextoname(ifindex, &ifname[0]);
+	if (!interface) {
+		free(ctx);
+		return -errno;
+	}
+
+	ctx->ifindex = ifindex;
+	libbpf_strlcpy(ctx->ifname, ifname, IFNAMSIZ);
+
+	xsk->ctx = ctx;
+	xsk->ctx->has_bpf_link = xsk_probe_bpf_link();
+
+	return 0;
+}
+
+static int xsk_init_xdp_res(struct xsk_socket *xsk,
+			    int *xsks_map_fd)
+{
+	struct xsk_ctx *ctx = xsk->ctx;
+	int err;
+
+	err = xsk_create_bpf_maps(xsk);
+	if (err)
+		return err;
+
+	err = xsk_load_xdp_prog(xsk);
+	if (err)
+		goto err_load_xdp_prog;
+
+	if (ctx->has_bpf_link)
+		err = xsk_create_bpf_link(xsk);
+	else
+		err = bpf_xdp_attach(xsk->ctx->ifindex, ctx->prog_fd,
+				     xsk->config.xdp_flags, NULL);
+
+	if (err)
+		goto err_attach_xdp_prog;
+
+	if (!xsk->rx)
+		return err;
+
+	err = xsk_set_bpf_maps(xsk);
+	if (err)
+		goto err_set_bpf_maps;
+
+	return err;
+
+err_set_bpf_maps:
+	if (ctx->has_bpf_link)
+		close(ctx->link_fd);
+	else
+		bpf_xdp_detach(ctx->ifindex, 0, NULL);
+err_attach_xdp_prog:
+	close(ctx->prog_fd);
+err_load_xdp_prog:
+	xsk_delete_bpf_maps(xsk);
+	return err;
+}
+
+static int xsk_lookup_xdp_res(struct xsk_socket *xsk, int *xsks_map_fd, int prog_id)
+{
+	struct xsk_ctx *ctx = xsk->ctx;
+	int err;
+
+	ctx->prog_fd = bpf_prog_get_fd_by_id(prog_id);
+	if (ctx->prog_fd < 0) {
+		err = -errno;
+		goto err_prog_fd;
+	}
+	err = xsk_lookup_bpf_maps(xsk);
+	if (err)
+		goto err_lookup_maps;
+
+	if (!xsk->rx)
+		return err;
+
+	err = xsk_set_bpf_maps(xsk);
+	if (err)
+		goto err_set_maps;
+
+	return err;
+
+err_set_maps:
+	close(ctx->xsks_map_fd);
+err_lookup_maps:
+	close(ctx->prog_fd);
+err_prog_fd:
+	if (ctx->has_bpf_link)
+		close(ctx->link_fd);
+	return err;
+}
+
+static int __xsk_setup_xdp_prog(struct xsk_socket *_xdp, int *xsks_map_fd)
+{
+	struct xsk_socket *xsk = _xdp;
+	struct xsk_ctx *ctx = xsk->ctx;
+	__u32 prog_id = 0;
+	int err;
+
+	if (ctx->has_bpf_link)
+		err = xsk_link_lookup(ctx->ifindex, &prog_id, &ctx->link_fd);
+	else
+		err = bpf_xdp_query_id(ctx->ifindex, xsk->config.xdp_flags, &prog_id);
+
+	if (err)
+		return err;
+
+	err = !prog_id ? xsk_init_xdp_res(xsk, xsks_map_fd) :
+			 xsk_lookup_xdp_res(xsk, xsks_map_fd, prog_id);
+
+	if (!err && xsks_map_fd)
+		*xsks_map_fd = ctx->xsks_map_fd;
+
+	return err;
+}
+
+int xsk_setup_xdp_prog_xsk(struct xsk_socket *xsk, int *xsks_map_fd)
+{
+	return __xsk_setup_xdp_prog(xsk, xsks_map_fd);
+}
+
+static struct xsk_ctx *xsk_get_ctx(struct xsk_umem *umem, int ifindex,
+				   __u32 queue_id)
+{
+	struct xsk_ctx *ctx;
+
+	if (list_empty(&umem->ctx_list))
+		return NULL;
+
+	list_for_each_entry(ctx, &umem->ctx_list, list) {
+		if (ctx->ifindex == ifindex && ctx->queue_id == queue_id) {
+			ctx->refcount++;
+			return ctx;
+		}
+	}
+
+	return NULL;
+}
+
+static void xsk_put_ctx(struct xsk_ctx *ctx, bool unmap)
+{
+	struct xsk_umem *umem = ctx->umem;
+	struct xdp_mmap_offsets off;
+	int err;
+
+	if (--ctx->refcount)
+		return;
+
+	if (!unmap)
+		goto out_free;
+
+	err = xsk_get_mmap_offsets(umem->fd, &off);
+	if (err)
+		goto out_free;
+
+	munmap(ctx->fill->ring - off.fr.desc, off.fr.desc + umem->config.fill_size *
+	       sizeof(__u64));
+	munmap(ctx->comp->ring - off.cr.desc, off.cr.desc + umem->config.comp_size *
+	       sizeof(__u64));
+
+out_free:
+	list_del(&ctx->list);
+	free(ctx);
+}
+
+static struct xsk_ctx *xsk_create_ctx(struct xsk_socket *xsk,
+				      struct xsk_umem *umem, int ifindex,
+				      const char *ifname, __u32 queue_id,
+				      struct xsk_ring_prod *fill,
+				      struct xsk_ring_cons *comp)
+{
+	struct xsk_ctx *ctx;
+	int err;
+
+	ctx = calloc(1, sizeof(*ctx));
+	if (!ctx)
+		return NULL;
+
+	if (!umem->fill_save) {
+		err = xsk_create_umem_rings(umem, xsk->fd, fill, comp);
+		if (err) {
+			free(ctx);
+			return NULL;
+		}
+	} else if (umem->fill_save != fill || umem->comp_save != comp) {
+		/* Copy over rings to new structs. */
+		memcpy(fill, umem->fill_save, sizeof(*fill));
+		memcpy(comp, umem->comp_save, sizeof(*comp));
+	}
+
+	ctx->ifindex = ifindex;
+	ctx->refcount = 1;
+	ctx->umem = umem;
+	ctx->queue_id = queue_id;
+	libbpf_strlcpy(ctx->ifname, ifname, IFNAMSIZ);
+
+	ctx->fill = fill;
+	ctx->comp = comp;
+	list_add(&ctx->list, &umem->ctx_list);
+	ctx->has_bpf_link = xsk_probe_bpf_link();
+	return ctx;
+}
+
+static void xsk_destroy_xsk_struct(struct xsk_socket *xsk)
+{
+	free(xsk->ctx);
+	free(xsk);
+}
+
+int xsk_socket__update_xskmap(struct xsk_socket *xsk, int fd)
+{
+	xsk->ctx->xsks_map_fd = fd;
+	return xsk_set_bpf_maps(xsk);
+}
+
+int xsk_setup_xdp_prog(int ifindex, int *xsks_map_fd)
+{
+	struct xsk_socket *xsk;
+	int res;
+
+	xsk = calloc(1, sizeof(*xsk));
+	if (!xsk)
+		return -ENOMEM;
+
+	res = xsk_create_xsk_struct(ifindex, xsk);
+	if (res) {
+		free(xsk);
+		return -EINVAL;
+	}
+
+	res = __xsk_setup_xdp_prog(xsk, xsks_map_fd);
+
+	xsk_destroy_xsk_struct(xsk);
+
+	return res;
+}
+
+int xsk_socket__create_shared(struct xsk_socket **xsk_ptr,
+			      const char *ifname,
+			      __u32 queue_id, struct xsk_umem *umem,
+			      struct xsk_ring_cons *rx,
+			      struct xsk_ring_prod *tx,
+			      struct xsk_ring_prod *fill,
+			      struct xsk_ring_cons *comp,
+			      const struct xsk_socket_config *usr_config)
+{
+	bool unmap, rx_setup_done = false, tx_setup_done = false;
+	void *rx_map = NULL, *tx_map = NULL;
+	struct sockaddr_xdp sxdp = {};
+	struct xdp_mmap_offsets off;
+	struct xsk_socket *xsk;
+	struct xsk_ctx *ctx;
+	int err, ifindex;
+
+	if (!umem || !xsk_ptr || !(rx || tx))
+		return -EFAULT;
+
+	unmap = umem->fill_save != fill;
+
+	xsk = calloc(1, sizeof(*xsk));
+	if (!xsk)
+		return -ENOMEM;
+
+	err = xsk_set_xdp_socket_config(&xsk->config, usr_config);
+	if (err)
+		goto out_xsk_alloc;
+
+	xsk->outstanding_tx = 0;
+	ifindex = if_nametoindex(ifname);
+	if (!ifindex) {
+		err = -errno;
+		goto out_xsk_alloc;
+	}
+
+	if (umem->refcount++ > 0) {
+		xsk->fd = socket(AF_XDP, SOCK_RAW | SOCK_CLOEXEC, 0);
+		if (xsk->fd < 0) {
+			err = -errno;
+			goto out_xsk_alloc;
+		}
+	} else {
+		xsk->fd = umem->fd;
+		rx_setup_done = umem->rx_ring_setup_done;
+		tx_setup_done = umem->tx_ring_setup_done;
+	}
+
+	ctx = xsk_get_ctx(umem, ifindex, queue_id);
+	if (!ctx) {
+		if (!fill || !comp) {
+			err = -EFAULT;
+			goto out_socket;
+		}
+
+		ctx = xsk_create_ctx(xsk, umem, ifindex, ifname, queue_id,
+				     fill, comp);
+		if (!ctx) {
+			err = -ENOMEM;
+			goto out_socket;
+		}
+	}
+	xsk->ctx = ctx;
+
+	if (rx && !rx_setup_done) {
+		err = setsockopt(xsk->fd, SOL_XDP, XDP_RX_RING,
+				 &xsk->config.rx_size,
+				 sizeof(xsk->config.rx_size));
+		if (err) {
+			err = -errno;
+			goto out_put_ctx;
+		}
+		if (xsk->fd == umem->fd)
+			umem->rx_ring_setup_done = true;
+	}
+	if (tx && !tx_setup_done) {
+		err = setsockopt(xsk->fd, SOL_XDP, XDP_TX_RING,
+				 &xsk->config.tx_size,
+				 sizeof(xsk->config.tx_size));
+		if (err) {
+			err = -errno;
+			goto out_put_ctx;
+		}
+		if (xsk->fd == umem->fd)
+			umem->tx_ring_setup_done = true;
+	}
+
+	err = xsk_get_mmap_offsets(xsk->fd, &off);
+	if (err) {
+		err = -errno;
+		goto out_put_ctx;
+	}
+
+	if (rx) {
+		rx_map = mmap(NULL, off.rx.desc +
+			      xsk->config.rx_size * sizeof(struct xdp_desc),
+			      PROT_READ | PROT_WRITE, MAP_SHARED | MAP_POPULATE,
+			      xsk->fd, XDP_PGOFF_RX_RING);
+		if (rx_map == MAP_FAILED) {
+			err = -errno;
+			goto out_put_ctx;
+		}
+
+		rx->mask = xsk->config.rx_size - 1;
+		rx->size = xsk->config.rx_size;
+		rx->producer = rx_map + off.rx.producer;
+		rx->consumer = rx_map + off.rx.consumer;
+		rx->flags = rx_map + off.rx.flags;
+		rx->ring = rx_map + off.rx.desc;
+		rx->cached_prod = *rx->producer;
+		rx->cached_cons = *rx->consumer;
+	}
+	xsk->rx = rx;
+
+	if (tx) {
+		tx_map = mmap(NULL, off.tx.desc +
+			      xsk->config.tx_size * sizeof(struct xdp_desc),
+			      PROT_READ | PROT_WRITE, MAP_SHARED | MAP_POPULATE,
+			      xsk->fd, XDP_PGOFF_TX_RING);
+		if (tx_map == MAP_FAILED) {
+			err = -errno;
+			goto out_mmap_rx;
+		}
+
+		tx->mask = xsk->config.tx_size - 1;
+		tx->size = xsk->config.tx_size;
+		tx->producer = tx_map + off.tx.producer;
+		tx->consumer = tx_map + off.tx.consumer;
+		tx->flags = tx_map + off.tx.flags;
+		tx->ring = tx_map + off.tx.desc;
+		tx->cached_prod = *tx->producer;
+		/* cached_cons is r->size bigger than the real consumer pointer
+		 * See xsk_prod_nb_free
+		 */
+		tx->cached_cons = *tx->consumer + xsk->config.tx_size;
+	}
+	xsk->tx = tx;
+
+	sxdp.sxdp_family = PF_XDP;
+	sxdp.sxdp_ifindex = ctx->ifindex;
+	sxdp.sxdp_queue_id = ctx->queue_id;
+	if (umem->refcount > 1) {
+		sxdp.sxdp_flags |= XDP_SHARED_UMEM;
+		sxdp.sxdp_shared_umem_fd = umem->fd;
+	} else {
+		sxdp.sxdp_flags = xsk->config.bind_flags;
+	}
+
+	err = bind(xsk->fd, (struct sockaddr *)&sxdp, sizeof(sxdp));
+	if (err) {
+		err = -errno;
+		goto out_mmap_tx;
+	}
+
+	if (!(xsk->config.libbpf_flags & XSK_LIBBPF_FLAGS__INHIBIT_PROG_LOAD)) {
+		err = __xsk_setup_xdp_prog(xsk, NULL);
+		if (err)
+			goto out_mmap_tx;
+	}
+
+	*xsk_ptr = xsk;
+	umem->fill_save = NULL;
+	umem->comp_save = NULL;
+	return 0;
+
+out_mmap_tx:
+	if (tx)
+		munmap(tx_map, off.tx.desc +
+		       xsk->config.tx_size * sizeof(struct xdp_desc));
+out_mmap_rx:
+	if (rx)
+		munmap(rx_map, off.rx.desc +
+		       xsk->config.rx_size * sizeof(struct xdp_desc));
+out_put_ctx:
+	xsk_put_ctx(ctx, unmap);
+out_socket:
+	if (--umem->refcount)
+		close(xsk->fd);
+out_xsk_alloc:
+	free(xsk);
+	return err;
+}
+
+int xsk_socket__create(struct xsk_socket **xsk_ptr, const char *ifname,
+		       __u32 queue_id, struct xsk_umem *umem,
+		       struct xsk_ring_cons *rx, struct xsk_ring_prod *tx,
+		       const struct xsk_socket_config *usr_config)
+{
+	if (!umem)
+		return -EFAULT;
+
+	return xsk_socket__create_shared(xsk_ptr, ifname, queue_id, umem,
+					 rx, tx, umem->fill_save,
+					 umem->comp_save, usr_config);
+}
+
+int xsk_umem__delete(struct xsk_umem *umem)
+{
+	struct xdp_mmap_offsets off;
+	int err;
+
+	if (!umem)
+		return 0;
+
+	if (umem->refcount)
+		return -EBUSY;
+
+	err = xsk_get_mmap_offsets(umem->fd, &off);
+	if (!err && umem->fill_save && umem->comp_save) {
+		munmap(umem->fill_save->ring - off.fr.desc,
+		       off.fr.desc + umem->config.fill_size * sizeof(__u64));
+		munmap(umem->comp_save->ring - off.cr.desc,
+		       off.cr.desc + umem->config.comp_size * sizeof(__u64));
+	}
+
+	close(umem->fd);
+	free(umem);
+
+	return 0;
+}
+
+void xsk_socket__delete(struct xsk_socket *xsk)
+{
+	size_t desc_sz = sizeof(struct xdp_desc);
+	struct xdp_mmap_offsets off;
+	struct xsk_umem *umem;
+	struct xsk_ctx *ctx;
+	int err;
+
+	if (!xsk)
+		return;
+
+	ctx = xsk->ctx;
+	umem = ctx->umem;
+
+	if (ctx->refcount == 1) {
+		xsk_delete_bpf_maps(xsk);
+		close(ctx->prog_fd);
+		if (ctx->has_bpf_link)
+			close(ctx->link_fd);
+	}
+
+	xsk_put_ctx(ctx, true);
+
+	err = xsk_get_mmap_offsets(xsk->fd, &off);
+	if (!err) {
+		if (xsk->rx) {
+			munmap(xsk->rx->ring - off.rx.desc,
+			       off.rx.desc + xsk->config.rx_size * desc_sz);
+		}
+		if (xsk->tx) {
+			munmap(xsk->tx->ring - off.tx.desc,
+			       off.tx.desc + xsk->config.tx_size * desc_sz);
+		}
+	}
+
+	umem->refcount--;
+	/* Do not close an fd that also has an associated umem connected
+	 * to it.
+	 */
+	if (xsk->fd != umem->fd)
+		close(xsk->fd);
+	free(xsk);
+}
diff --git a/tools/testing/selftests/bpf/xsk.h b/tools/testing/selftests/bpf/xsk.h
new file mode 100644
index 000000000..997723b0b
--- /dev/null
+++ b/tools/testing/selftests/bpf/xsk.h
@@ -0,0 +1,316 @@
+/* SPDX-License-Identifier: (LGPL-2.1 OR BSD-2-Clause) */
+
+/*
+ * AF_XDP user-space access library.
+ *
+ * Copyright (c) 2018 - 2019 Intel Corporation.
+ * Copyright (c) 2019 Facebook
+ *
+ * Author(s): Magnus Karlsson <magnus.karlsson@intel.com>
+ */
+
+#ifndef __XSK_H
+#define __XSK_H
+
+#include <stdio.h>
+#include <stdint.h>
+#include <stdbool.h>
+#include <linux/if_xdp.h>
+
+#include <bpf/libbpf.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* This whole API has been deprecated and moved to libxdp that can be found at
+ * https://github.com/xdp-project/xdp-tools. The APIs are exactly the same so
+ * it should just be linking with libxdp instead of libbpf for this set of
+ * functionality. If not, please submit a bug report on the aforementioned page.
+ */
+
+/* Load-Acquire Store-Release barriers used by the XDP socket
+ * library. The following macros should *NOT* be considered part of
+ * the xsk.h API, and is subject to change anytime.
+ *
+ * LIBRARY INTERNAL
+ */
+
+#define __XSK_READ_ONCE(x) (*(volatile typeof(x) *)&x)
+#define __XSK_WRITE_ONCE(x, v) (*(volatile typeof(x) *)&x) = (v)
+
+#if defined(__i386__) || defined(__x86_64__)
+# define libbpf_smp_store_release(p, v)					\
+	do {								\
+		asm volatile("" : : : "memory");			\
+		__XSK_WRITE_ONCE(*p, v);				\
+	} while (0)
+# define libbpf_smp_load_acquire(p)					\
+	({								\
+		typeof(*p) ___p1 = __XSK_READ_ONCE(*p);			\
+		asm volatile("" : : : "memory");			\
+		___p1;							\
+	})
+#elif defined(__aarch64__)
+# define libbpf_smp_store_release(p, v)					\
+		asm volatile ("stlr %w1, %0" : "=Q" (*p) : "r" (v) : "memory")
+# define libbpf_smp_load_acquire(p)					\
+	({								\
+		typeof(*p) ___p1;					\
+		asm volatile ("ldar %w0, %1"				\
+			      : "=r" (___p1) : "Q" (*p) : "memory");	\
+		___p1;							\
+	})
+#elif defined(__riscv)
+# define libbpf_smp_store_release(p, v)					\
+	do {								\
+		asm volatile ("fence rw,w" : : : "memory");		\
+		__XSK_WRITE_ONCE(*p, v);				\
+	} while (0)
+# define libbpf_smp_load_acquire(p)					\
+	({								\
+		typeof(*p) ___p1 = __XSK_READ_ONCE(*p);			\
+		asm volatile ("fence r,rw" : : : "memory");		\
+		___p1;							\
+	})
+#endif
+
+#ifndef libbpf_smp_store_release
+#define libbpf_smp_store_release(p, v)					\
+	do {								\
+		__sync_synchronize();					\
+		__XSK_WRITE_ONCE(*p, v);				\
+	} while (0)
+#endif
+
+#ifndef libbpf_smp_load_acquire
+#define libbpf_smp_load_acquire(p)					\
+	({								\
+		typeof(*p) ___p1 = __XSK_READ_ONCE(*p);			\
+		__sync_synchronize();					\
+		___p1;							\
+	})
+#endif
+
+/* LIBRARY INTERNAL -- END */
+
+/* Do not access these members directly. Use the functions below. */
+#define DEFINE_XSK_RING(name) \
+struct name { \
+	__u32 cached_prod; \
+	__u32 cached_cons; \
+	__u32 mask; \
+	__u32 size; \
+	__u32 *producer; \
+	__u32 *consumer; \
+	void *ring; \
+	__u32 *flags; \
+}
+
+DEFINE_XSK_RING(xsk_ring_prod);
+DEFINE_XSK_RING(xsk_ring_cons);
+
+/* For a detailed explanation on the memory barriers associated with the
+ * ring, please take a look at net/xdp/xsk_queue.h.
+ */
+
+struct xsk_umem;
+struct xsk_socket;
+
+static inline __u64 *xsk_ring_prod__fill_addr(struct xsk_ring_prod *fill,
+					      __u32 idx)
+{
+	__u64 *addrs = (__u64 *)fill->ring;
+
+	return &addrs[idx & fill->mask];
+}
+
+static inline const __u64 *
+xsk_ring_cons__comp_addr(const struct xsk_ring_cons *comp, __u32 idx)
+{
+	const __u64 *addrs = (const __u64 *)comp->ring;
+
+	return &addrs[idx & comp->mask];
+}
+
+static inline struct xdp_desc *xsk_ring_prod__tx_desc(struct xsk_ring_prod *tx,
+						      __u32 idx)
+{
+	struct xdp_desc *descs = (struct xdp_desc *)tx->ring;
+
+	return &descs[idx & tx->mask];
+}
+
+static inline const struct xdp_desc *
+xsk_ring_cons__rx_desc(const struct xsk_ring_cons *rx, __u32 idx)
+{
+	const struct xdp_desc *descs = (const struct xdp_desc *)rx->ring;
+
+	return &descs[idx & rx->mask];
+}
+
+static inline int xsk_ring_prod__needs_wakeup(const struct xsk_ring_prod *r)
+{
+	return *r->flags & XDP_RING_NEED_WAKEUP;
+}
+
+static inline __u32 xsk_prod_nb_free(struct xsk_ring_prod *r, __u32 nb)
+{
+	__u32 free_entries = r->cached_cons - r->cached_prod;
+
+	if (free_entries >= nb)
+		return free_entries;
+
+	/* Refresh the local tail pointer.
+	 * cached_cons is r->size bigger than the real consumer pointer so
+	 * that this addition can be avoided in the more frequently
+	 * executed code that computs free_entries in the beginning of
+	 * this function. Without this optimization it whould have been
+	 * free_entries = r->cached_prod - r->cached_cons + r->size.
+	 */
+	r->cached_cons = libbpf_smp_load_acquire(r->consumer);
+	r->cached_cons += r->size;
+
+	return r->cached_cons - r->cached_prod;
+}
+
+static inline __u32 xsk_cons_nb_avail(struct xsk_ring_cons *r, __u32 nb)
+{
+	__u32 entries = r->cached_prod - r->cached_cons;
+
+	if (entries == 0) {
+		r->cached_prod = libbpf_smp_load_acquire(r->producer);
+		entries = r->cached_prod - r->cached_cons;
+	}
+
+	return (entries > nb) ? nb : entries;
+}
+
+static inline __u32 xsk_ring_prod__reserve(struct xsk_ring_prod *prod, __u32 nb, __u32 *idx)
+{
+	if (xsk_prod_nb_free(prod, nb) < nb)
+		return 0;
+
+	*idx = prod->cached_prod;
+	prod->cached_prod += nb;
+
+	return nb;
+}
+
+static inline void xsk_ring_prod__submit(struct xsk_ring_prod *prod, __u32 nb)
+{
+	/* Make sure everything has been written to the ring before indicating
+	 * this to the kernel by writing the producer pointer.
+	 */
+	libbpf_smp_store_release(prod->producer, *prod->producer + nb);
+}
+
+static inline __u32 xsk_ring_cons__peek(struct xsk_ring_cons *cons, __u32 nb, __u32 *idx)
+{
+	__u32 entries = xsk_cons_nb_avail(cons, nb);
+
+	if (entries > 0) {
+		*idx = cons->cached_cons;
+		cons->cached_cons += entries;
+	}
+
+	return entries;
+}
+
+static inline void xsk_ring_cons__cancel(struct xsk_ring_cons *cons, __u32 nb)
+{
+	cons->cached_cons -= nb;
+}
+
+static inline void xsk_ring_cons__release(struct xsk_ring_cons *cons, __u32 nb)
+{
+	/* Make sure data has been read before indicating we are done
+	 * with the entries by updating the consumer pointer.
+	 */
+	libbpf_smp_store_release(cons->consumer, *cons->consumer + nb);
+
+}
+
+static inline void *xsk_umem__get_data(void *umem_area, __u64 addr)
+{
+	return &((char *)umem_area)[addr];
+}
+
+static inline __u64 xsk_umem__extract_addr(__u64 addr)
+{
+	return addr & XSK_UNALIGNED_BUF_ADDR_MASK;
+}
+
+static inline __u64 xsk_umem__extract_offset(__u64 addr)
+{
+	return addr >> XSK_UNALIGNED_BUF_OFFSET_SHIFT;
+}
+
+static inline __u64 xsk_umem__add_offset_to_addr(__u64 addr)
+{
+	return xsk_umem__extract_addr(addr) + xsk_umem__extract_offset(addr);
+}
+
+int xsk_umem__fd(const struct xsk_umem *umem);
+int xsk_socket__fd(const struct xsk_socket *xsk);
+
+#define XSK_RING_CONS__DEFAULT_NUM_DESCS      2048
+#define XSK_RING_PROD__DEFAULT_NUM_DESCS      2048
+#define XSK_UMEM__DEFAULT_FRAME_SHIFT    12 /* 4096 bytes */
+#define XSK_UMEM__DEFAULT_FRAME_SIZE     (1 << XSK_UMEM__DEFAULT_FRAME_SHIFT)
+#define XSK_UMEM__DEFAULT_FRAME_HEADROOM 0
+#define XSK_UMEM__DEFAULT_FLAGS 0
+
+struct xsk_umem_config {
+	__u32 fill_size;
+	__u32 comp_size;
+	__u32 frame_size;
+	__u32 frame_headroom;
+	__u32 flags;
+};
+
+int xsk_setup_xdp_prog_xsk(struct xsk_socket *xsk, int *xsks_map_fd);
+int xsk_setup_xdp_prog(int ifindex, int *xsks_map_fd);
+int xsk_socket__update_xskmap(struct xsk_socket *xsk, int xsks_map_fd);
+
+/* Flags for the libbpf_flags field. */
+#define XSK_LIBBPF_FLAGS__INHIBIT_PROG_LOAD (1 << 0)
+
+struct xsk_socket_config {
+	__u32 rx_size;
+	__u32 tx_size;
+	__u32 libbpf_flags;
+	__u32 xdp_flags;
+	__u16 bind_flags;
+};
+
+/* Set config to NULL to get the default configuration. */
+int xsk_umem__create(struct xsk_umem **umem,
+		     void *umem_area, __u64 size,
+		     struct xsk_ring_prod *fill,
+		     struct xsk_ring_cons *comp,
+		     const struct xsk_umem_config *config);
+int xsk_socket__create(struct xsk_socket **xsk,
+		       const char *ifname, __u32 queue_id,
+		       struct xsk_umem *umem,
+		       struct xsk_ring_cons *rx,
+		       struct xsk_ring_prod *tx,
+		       const struct xsk_socket_config *config);
+int xsk_socket__create_shared(struct xsk_socket **xsk_ptr,
+			      const char *ifname,
+			      __u32 queue_id, struct xsk_umem *umem,
+			      struct xsk_ring_cons *rx,
+			      struct xsk_ring_prod *tx,
+			      struct xsk_ring_prod *fill,
+			      struct xsk_ring_cons *comp,
+			      const struct xsk_socket_config *config);
+
+/* Returns 0 for success and -EBUSY if the umem is still in use. */
+int xsk_umem__delete(struct xsk_umem *umem);
+void xsk_socket__delete(struct xsk_socket *xsk);
+
+#ifdef __cplusplus
+} /* extern "C" */
+#endif
+
+#endif /* __XSK_H */
diff --git a/tools/testing/selftests/bpf/xsk_prereqs.sh b/tools/testing/selftests/bpf/xsk_prereqs.sh
new file mode 100755
index 000000000..a0b71723a
--- /dev/null
+++ b/tools/testing/selftests/bpf/xsk_prereqs.sh
@@ -0,0 +1,92 @@
+#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
+# Copyright(c) 2020 Intel Corporation.
+
+ksft_pass=0
+ksft_fail=1
+ksft_xfail=2
+ksft_xpass=3
+ksft_skip=4
+
+XSKOBJ=xskxceiver
+
+validate_root_exec()
+{
+	msg="skip all tests:"
+	if [ $UID != 0 ]; then
+		echo $msg must be run as root >&2
+		test_exit $ksft_fail
+	else
+		return $ksft_pass
+	fi
+}
+
+validate_veth_support()
+{
+	msg="skip all tests:"
+	if [ $(ip link add $1 type veth 2>/dev/null; echo $?;) != 0 ]; then
+		echo $msg veth kernel support not available >&2
+		test_exit $ksft_skip
+	else
+		ip link del $1
+		return $ksft_pass
+	fi
+}
+
+test_status()
+{
+	statusval=$1
+	if [ $statusval -eq $ksft_fail ]; then
+		echo "$2: [ FAIL ]"
+	elif [ $statusval -eq $ksft_skip ]; then
+		echo "$2: [ SKIPPED ]"
+	elif [ $statusval -eq $ksft_pass ]; then
+		echo "$2: [ PASS ]"
+	fi
+}
+
+test_exit()
+{
+	if [ $1 -ne 0 ]; then
+		test_status $1 $(basename $0)
+	fi
+	exit 1
+}
+
+clear_configs()
+{
+	if [ $(ip netns show | grep $3 &>/dev/null; echo $?;) == 0 ]; then
+		[ $(ip netns exec $3 ip link show $2 &>/dev/null; echo $?;) == 0 ] &&
+			{ ip netns exec $3 ip link del $2; }
+		ip netns del $3
+	fi
+	#Once we delete a veth pair node, the entire veth pair is removed,
+	#this is just to be cautious just incase the NS does not exist then
+	#veth node inside NS won't get removed so we explicitly remove it
+	[ $(ip link show $1 &>/dev/null; echo $?;) == 0 ] &&
+		{ ip link del $1; }
+}
+
+cleanup_exit()
+{
+	clear_configs $1 $2 $3
+}
+
+validate_ip_utility()
+{
+	[ ! $(type -P ip) ] && { echo "'ip' not found. Skipping tests."; test_exit $ksft_skip; }
+}
+
+exec_xskxceiver()
+{
+        if [[ $busy_poll -eq 1 ]]; then
+	        ARGS+="-b "
+	fi
+
+	./${XSKOBJ} -i ${VETH0} -i ${VETH1},${NS1} ${ARGS}
+
+	retval=$?
+	test_status $retval "${TEST_NAME}"
+	statusList+=($retval)
+	nameList+=(${TEST_NAME})
+}
diff --git a/tools/testing/selftests/bpf/xskxceiver.c b/tools/testing/selftests/bpf/xskxceiver.c
new file mode 100644
index 000000000..cd6578928
--- /dev/null
+++ b/tools/testing/selftests/bpf/xskxceiver.c
@@ -0,0 +1,1974 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright(c) 2020 Intel Corporation. */
+
+/*
+ * Some functions in this program are taken from
+ * Linux kernel samples/bpf/xdpsock* and modified
+ * for use.
+ *
+ * See test_xsk.sh for detailed information on test topology
+ * and prerequisite network setup.
+ *
+ * This test program contains two threads, each thread is single socket with
+ * a unique UMEM. It validates in-order packet delivery and packet content
+ * by sending packets to each other.
+ *
+ * Tests Information:
+ * ------------------
+ * These selftests test AF_XDP SKB and Native/DRV modes using veth
+ * Virtual Ethernet interfaces.
+ *
+ * For each mode, the following tests are run:
+ *    a. nopoll - soft-irq processing in run-to-completion mode
+ *    b. poll - using poll() syscall
+ *    c. Socket Teardown
+ *       Create a Tx and a Rx socket, Tx from one socket, Rx on another. Destroy
+ *       both sockets, then repeat multiple times. Only nopoll mode is used
+ *    d. Bi-directional sockets
+ *       Configure sockets as bi-directional tx/rx sockets, sets up fill and
+ *       completion rings on each socket, tx/rx in both directions. Only nopoll
+ *       mode is used
+ *    e. Statistics
+ *       Trigger some error conditions and ensure that the appropriate statistics
+ *       are incremented. Within this test, the following statistics are tested:
+ *       i.   rx dropped
+ *            Increase the UMEM frame headroom to a value which results in
+ *            insufficient space in the rx buffer for both the packet and the headroom.
+ *       ii.  tx invalid
+ *            Set the 'len' field of tx descriptors to an invalid value (umem frame
+ *            size + 1).
+ *       iii. rx ring full
+ *            Reduce the size of the RX ring to a fraction of the fill ring size.
+ *       iv.  fill queue empty
+ *            Do not populate the fill queue and then try to receive pkts.
+ *    f. bpf_link resource persistence
+ *       Configure sockets at indexes 0 and 1, run a traffic on queue ids 0,
+ *       then remove xsk sockets from queue 0 on both veth interfaces and
+ *       finally run a traffic on queues ids 1
+ *    g. unaligned mode
+ *    h. tests for invalid and corner case Tx descriptors so that the correct ones
+ *       are discarded and let through, respectively.
+ *    i. 2K frame size tests
+ *
+ * Total tests: 12
+ *
+ * Flow:
+ * -----
+ * - Single process spawns two threads: Tx and Rx
+ * - Each of these two threads attach to a veth interface within their assigned
+ *   namespaces
+ * - Each thread Creates one AF_XDP socket connected to a unique umem for each
+ *   veth interface
+ * - Tx thread Transmits 10k packets from veth<xxxx> to veth<yyyy>
+ * - Rx thread verifies if all 10k packets were received and delivered in-order,
+ *   and have the right content
+ *
+ * Enable/disable packet dump mode:
+ * --------------------------
+ * To enable L2 - L4 headers and payload dump of each packet on STDOUT, add
+ * parameter -D to params array in test_xsk.sh, i.e. params=("-S" "-D")
+ */
+
+#define _GNU_SOURCE
+#include <fcntl.h>
+#include <errno.h>
+#include <getopt.h>
+#include <asm/barrier.h>
+#include <linux/if_link.h>
+#include <linux/if_ether.h>
+#include <linux/ip.h>
+#include <linux/udp.h>
+#include <arpa/inet.h>
+#include <net/if.h>
+#include <locale.h>
+#include <poll.h>
+#include <pthread.h>
+#include <signal.h>
+#include <stdbool.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <stddef.h>
+#include <sys/mman.h>
+#include <sys/socket.h>
+#include <sys/time.h>
+#include <sys/types.h>
+#include <sys/queue.h>
+#include <time.h>
+#include <unistd.h>
+#include <stdatomic.h>
+#include "xsk.h"
+#include "xskxceiver.h"
+#include <bpf/bpf.h>
+#include <linux/filter.h>
+#include "../kselftest.h"
+
+/* AF_XDP APIs were moved into libxdp and marked as deprecated in libbpf.
+ * Until xskxceiver is either moved or re-writed into libxdp, suppress
+ * deprecation warnings in this file
+ */
+#pragma GCC diagnostic ignored "-Wdeprecated-declarations"
+
+static const char *MAC1 = "\x00\x0A\x56\x9E\xEE\x62";
+static const char *MAC2 = "\x00\x0A\x56\x9E\xEE\x61";
+static const char *IP1 = "192.168.100.162";
+static const char *IP2 = "192.168.100.161";
+static const u16 UDP_PORT1 = 2020;
+static const u16 UDP_PORT2 = 2121;
+
+static void __exit_with_error(int error, const char *file, const char *func, int line)
+{
+	ksft_test_result_fail("[%s:%s:%i]: ERROR: %d/\"%s\"\n", file, func, line, error,
+			      strerror(error));
+	ksft_exit_xfail();
+}
+
+#define exit_with_error(error) __exit_with_error(error, __FILE__, __func__, __LINE__)
+#define busy_poll_string(test) (test)->ifobj_tx->busy_poll ? "BUSY-POLL " : ""
+static char *mode_string(struct test_spec *test)
+{
+	switch (test->mode) {
+	case TEST_MODE_SKB:
+		return "SKB";
+	case TEST_MODE_DRV:
+		return "DRV";
+	case TEST_MODE_ZC:
+		return "ZC";
+	default:
+		return "BOGUS";
+	}
+}
+
+static void report_failure(struct test_spec *test)
+{
+	if (test->fail)
+		return;
+
+	ksft_test_result_fail("FAIL: %s %s%s\n", mode_string(test), busy_poll_string(test),
+			      test->name);
+	test->fail = true;
+}
+
+static void memset32_htonl(void *dest, u32 val, u32 size)
+{
+	u32 *ptr = (u32 *)dest;
+	int i;
+
+	val = htonl(val);
+
+	for (i = 0; i < (size & (~0x3)); i += 4)
+		ptr[i >> 2] = val;
+}
+
+/*
+ * Fold a partial checksum
+ * This function code has been taken from
+ * Linux kernel include/asm-generic/checksum.h
+ */
+static __u16 csum_fold(__u32 csum)
+{
+	u32 sum = (__force u32)csum;
+
+	sum = (sum & 0xffff) + (sum >> 16);
+	sum = (sum & 0xffff) + (sum >> 16);
+	return (__force __u16)~sum;
+}
+
+/*
+ * This function code has been taken from
+ * Linux kernel lib/checksum.c
+ */
+static u32 from64to32(u64 x)
+{
+	/* add up 32-bit and 32-bit for 32+c bit */
+	x = (x & 0xffffffff) + (x >> 32);
+	/* add up carry.. */
+	x = (x & 0xffffffff) + (x >> 32);
+	return (u32)x;
+}
+
+/*
+ * This function code has been taken from
+ * Linux kernel lib/checksum.c
+ */
+static __u32 csum_tcpudp_nofold(__be32 saddr, __be32 daddr, __u32 len, __u8 proto, __u32 sum)
+{
+	unsigned long long s = (__force u32)sum;
+
+	s += (__force u32)saddr;
+	s += (__force u32)daddr;
+#ifdef __BIG_ENDIAN__
+	s += proto + len;
+#else
+	s += (proto + len) << 8;
+#endif
+	return (__force __u32)from64to32(s);
+}
+
+/*
+ * This function has been taken from
+ * Linux kernel include/asm-generic/checksum.h
+ */
+static __u16 csum_tcpudp_magic(__be32 saddr, __be32 daddr, __u32 len, __u8 proto, __u32 sum)
+{
+	return csum_fold(csum_tcpudp_nofold(saddr, daddr, len, proto, sum));
+}
+
+static u16 udp_csum(u32 saddr, u32 daddr, u32 len, u8 proto, u16 *udp_pkt)
+{
+	u32 csum = 0;
+	u32 cnt = 0;
+
+	/* udp hdr and data */
+	for (; cnt < len; cnt += 2)
+		csum += udp_pkt[cnt >> 1];
+
+	return csum_tcpudp_magic(saddr, daddr, len, proto, csum);
+}
+
+static void gen_eth_hdr(struct ifobject *ifobject, struct ethhdr *eth_hdr)
+{
+	memcpy(eth_hdr->h_dest, ifobject->dst_mac, ETH_ALEN);
+	memcpy(eth_hdr->h_source, ifobject->src_mac, ETH_ALEN);
+	eth_hdr->h_proto = htons(ETH_P_IP);
+}
+
+static void gen_ip_hdr(struct ifobject *ifobject, struct iphdr *ip_hdr)
+{
+	ip_hdr->version = IP_PKT_VER;
+	ip_hdr->ihl = 0x5;
+	ip_hdr->tos = IP_PKT_TOS;
+	ip_hdr->tot_len = htons(IP_PKT_SIZE);
+	ip_hdr->id = 0;
+	ip_hdr->frag_off = 0;
+	ip_hdr->ttl = IPDEFTTL;
+	ip_hdr->protocol = IPPROTO_UDP;
+	ip_hdr->saddr = ifobject->src_ip;
+	ip_hdr->daddr = ifobject->dst_ip;
+	ip_hdr->check = 0;
+}
+
+static void gen_udp_hdr(u32 payload, void *pkt, struct ifobject *ifobject,
+			struct udphdr *udp_hdr)
+{
+	udp_hdr->source = htons(ifobject->src_port);
+	udp_hdr->dest = htons(ifobject->dst_port);
+	udp_hdr->len = htons(UDP_PKT_SIZE);
+	memset32_htonl(pkt + PKT_HDR_SIZE, payload, UDP_PKT_DATA_SIZE);
+}
+
+static bool is_umem_valid(struct ifobject *ifobj)
+{
+	return !!ifobj->umem->umem;
+}
+
+static void gen_udp_csum(struct udphdr *udp_hdr, struct iphdr *ip_hdr)
+{
+	udp_hdr->check = 0;
+	udp_hdr->check =
+	    udp_csum(ip_hdr->saddr, ip_hdr->daddr, UDP_PKT_SIZE, IPPROTO_UDP, (u16 *)udp_hdr);
+}
+
+static int xsk_configure_umem(struct xsk_umem_info *umem, void *buffer, u64 size)
+{
+	struct xsk_umem_config cfg = {
+		.fill_size = XSK_RING_PROD__DEFAULT_NUM_DESCS,
+		.comp_size = XSK_RING_CONS__DEFAULT_NUM_DESCS,
+		.frame_size = umem->frame_size,
+		.frame_headroom = umem->frame_headroom,
+		.flags = XSK_UMEM__DEFAULT_FLAGS
+	};
+	int ret;
+
+	if (umem->unaligned_mode)
+		cfg.flags |= XDP_UMEM_UNALIGNED_CHUNK_FLAG;
+
+	ret = xsk_umem__create(&umem->umem, buffer, size,
+			       &umem->fq, &umem->cq, &cfg);
+	if (ret)
+		return ret;
+
+	umem->buffer = buffer;
+	return 0;
+}
+
+static void enable_busy_poll(struct xsk_socket_info *xsk)
+{
+	int sock_opt;
+
+	sock_opt = 1;
+	if (setsockopt(xsk_socket__fd(xsk->xsk), SOL_SOCKET, SO_PREFER_BUSY_POLL,
+		       (void *)&sock_opt, sizeof(sock_opt)) < 0)
+		exit_with_error(errno);
+
+	sock_opt = 20;
+	if (setsockopt(xsk_socket__fd(xsk->xsk), SOL_SOCKET, SO_BUSY_POLL,
+		       (void *)&sock_opt, sizeof(sock_opt)) < 0)
+		exit_with_error(errno);
+
+	sock_opt = BATCH_SIZE;
+	if (setsockopt(xsk_socket__fd(xsk->xsk), SOL_SOCKET, SO_BUSY_POLL_BUDGET,
+		       (void *)&sock_opt, sizeof(sock_opt)) < 0)
+		exit_with_error(errno);
+}
+
+static int __xsk_configure_socket(struct xsk_socket_info *xsk, struct xsk_umem_info *umem,
+				  struct ifobject *ifobject, bool shared)
+{
+	struct xsk_socket_config cfg = {};
+	struct xsk_ring_cons *rxr;
+	struct xsk_ring_prod *txr;
+
+	xsk->umem = umem;
+	cfg.rx_size = xsk->rxqsize;
+	cfg.tx_size = XSK_RING_PROD__DEFAULT_NUM_DESCS;
+	cfg.libbpf_flags = XSK_LIBBPF_FLAGS__INHIBIT_PROG_LOAD;
+	cfg.xdp_flags = ifobject->xdp_flags;
+	cfg.bind_flags = ifobject->bind_flags;
+	if (shared)
+		cfg.bind_flags |= XDP_SHARED_UMEM;
+
+	txr = ifobject->tx_on ? &xsk->tx : NULL;
+	rxr = ifobject->rx_on ? &xsk->rx : NULL;
+	return xsk_socket__create(&xsk->xsk, ifobject->ifname, 0, umem->umem, rxr, txr, &cfg);
+}
+
+static bool ifobj_zc_avail(struct ifobject *ifobject)
+{
+	size_t umem_sz = DEFAULT_UMEM_BUFFERS * XSK_UMEM__DEFAULT_FRAME_SIZE;
+	int mmap_flags = MAP_PRIVATE | MAP_ANONYMOUS | MAP_NORESERVE;
+	struct xsk_socket_info *xsk;
+	struct xsk_umem_info *umem;
+	bool zc_avail = false;
+	void *bufs;
+	int ret;
+
+	bufs = mmap(NULL, umem_sz, PROT_READ | PROT_WRITE, mmap_flags, -1, 0);
+	if (bufs == MAP_FAILED)
+		exit_with_error(errno);
+
+	umem = calloc(1, sizeof(struct xsk_umem_info));
+	if (!umem) {
+		munmap(bufs, umem_sz);
+		exit_with_error(ENOMEM);
+	}
+	umem->frame_size = XSK_UMEM__DEFAULT_FRAME_SIZE;
+	ret = xsk_configure_umem(umem, bufs, umem_sz);
+	if (ret)
+		exit_with_error(-ret);
+
+	xsk = calloc(1, sizeof(struct xsk_socket_info));
+	if (!xsk)
+		goto out;
+	ifobject->xdp_flags = XDP_FLAGS_UPDATE_IF_NOEXIST;
+	ifobject->xdp_flags |= XDP_FLAGS_DRV_MODE;
+	ifobject->bind_flags = XDP_USE_NEED_WAKEUP | XDP_ZEROCOPY;
+	ifobject->rx_on = true;
+	xsk->rxqsize = XSK_RING_CONS__DEFAULT_NUM_DESCS;
+	ret = __xsk_configure_socket(xsk, umem, ifobject, false);
+	if (!ret)
+		zc_avail = true;
+
+	xsk_socket__delete(xsk->xsk);
+	free(xsk);
+out:
+	munmap(umem->buffer, umem_sz);
+	xsk_umem__delete(umem->umem);
+	free(umem);
+	return zc_avail;
+}
+
+static struct option long_options[] = {
+	{"interface", required_argument, 0, 'i'},
+	{"busy-poll", no_argument, 0, 'b'},
+	{"dump-pkts", no_argument, 0, 'D'},
+	{"verbose", no_argument, 0, 'v'},
+	{0, 0, 0, 0}
+};
+
+static void usage(const char *prog)
+{
+	const char *str =
+		"  Usage: %s [OPTIONS]\n"
+		"  Options:\n"
+		"  -i, --interface      Use interface\n"
+		"  -D, --dump-pkts      Dump packets L2 - L5\n"
+		"  -v, --verbose        Verbose output\n"
+		"  -b, --busy-poll      Enable busy poll\n";
+
+	ksft_print_msg(str, prog);
+}
+
+static int switch_namespace(const char *nsname)
+{
+	char fqns[26] = "/var/run/netns/";
+	int nsfd;
+
+	if (!nsname || strlen(nsname) == 0)
+		return -1;
+
+	strncat(fqns, nsname, sizeof(fqns) - strlen(fqns) - 1);
+	nsfd = open(fqns, O_RDONLY);
+
+	if (nsfd == -1)
+		exit_with_error(errno);
+
+	if (setns(nsfd, 0) == -1)
+		exit_with_error(errno);
+
+	print_verbose("NS switched: %s\n", nsname);
+
+	return nsfd;
+}
+
+static bool validate_interface(struct ifobject *ifobj)
+{
+	if (!strcmp(ifobj->ifname, ""))
+		return false;
+	return true;
+}
+
+static void parse_command_line(struct ifobject *ifobj_tx, struct ifobject *ifobj_rx, int argc,
+			       char **argv)
+{
+	struct ifobject *ifobj;
+	u32 interface_nb = 0;
+	int option_index, c;
+
+	opterr = 0;
+
+	for (;;) {
+		char *sptr, *token;
+
+		c = getopt_long(argc, argv, "i:Dvb", long_options, &option_index);
+		if (c == -1)
+			break;
+
+		switch (c) {
+		case 'i':
+			if (interface_nb == 0)
+				ifobj = ifobj_tx;
+			else if (interface_nb == 1)
+				ifobj = ifobj_rx;
+			else
+				break;
+
+			sptr = strndupa(optarg, strlen(optarg));
+			memcpy(ifobj->ifname, strsep(&sptr, ","), MAX_INTERFACE_NAME_CHARS);
+			token = strsep(&sptr, ",");
+			if (token)
+				memcpy(ifobj->nsname, token, MAX_INTERFACES_NAMESPACE_CHARS);
+			interface_nb++;
+			break;
+		case 'D':
+			opt_pkt_dump = true;
+			break;
+		case 'v':
+			opt_verbose = true;
+			break;
+		case 'b':
+			ifobj_tx->busy_poll = true;
+			ifobj_rx->busy_poll = true;
+			break;
+		default:
+			usage(basename(argv[0]));
+			ksft_exit_xfail();
+		}
+	}
+}
+
+static void __test_spec_init(struct test_spec *test, struct ifobject *ifobj_tx,
+			     struct ifobject *ifobj_rx)
+{
+	u32 i, j;
+
+	for (i = 0; i < MAX_INTERFACES; i++) {
+		struct ifobject *ifobj = i ? ifobj_rx : ifobj_tx;
+
+		ifobj->xsk = &ifobj->xsk_arr[0];
+		ifobj->use_poll = false;
+		ifobj->use_fill_ring = true;
+		ifobj->release_rx = true;
+		ifobj->validation_func = NULL;
+
+		if (i == 0) {
+			ifobj->rx_on = false;
+			ifobj->tx_on = true;
+			ifobj->pkt_stream = test->tx_pkt_stream_default;
+		} else {
+			ifobj->rx_on = true;
+			ifobj->tx_on = false;
+			ifobj->pkt_stream = test->rx_pkt_stream_default;
+		}
+
+		memset(ifobj->umem, 0, sizeof(*ifobj->umem));
+		ifobj->umem->num_frames = DEFAULT_UMEM_BUFFERS;
+		ifobj->umem->frame_size = XSK_UMEM__DEFAULT_FRAME_SIZE;
+		if (ifobj->shared_umem && ifobj->rx_on)
+			ifobj->umem->base_addr = DEFAULT_UMEM_BUFFERS *
+				XSK_UMEM__DEFAULT_FRAME_SIZE;
+
+		for (j = 0; j < MAX_SOCKETS; j++) {
+			memset(&ifobj->xsk_arr[j], 0, sizeof(ifobj->xsk_arr[j]));
+			ifobj->xsk_arr[j].rxqsize = XSK_RING_CONS__DEFAULT_NUM_DESCS;
+		}
+	}
+
+	test->ifobj_tx = ifobj_tx;
+	test->ifobj_rx = ifobj_rx;
+	test->current_step = 0;
+	test->total_steps = 1;
+	test->nb_sockets = 1;
+	test->fail = false;
+}
+
+static void test_spec_init(struct test_spec *test, struct ifobject *ifobj_tx,
+			   struct ifobject *ifobj_rx, enum test_mode mode)
+{
+	struct pkt_stream *tx_pkt_stream;
+	struct pkt_stream *rx_pkt_stream;
+	u32 i;
+
+	tx_pkt_stream = test->tx_pkt_stream_default;
+	rx_pkt_stream = test->rx_pkt_stream_default;
+	memset(test, 0, sizeof(*test));
+	test->tx_pkt_stream_default = tx_pkt_stream;
+	test->rx_pkt_stream_default = rx_pkt_stream;
+
+	for (i = 0; i < MAX_INTERFACES; i++) {
+		struct ifobject *ifobj = i ? ifobj_rx : ifobj_tx;
+
+		ifobj->xdp_flags = XDP_FLAGS_UPDATE_IF_NOEXIST;
+		if (mode == TEST_MODE_SKB)
+			ifobj->xdp_flags |= XDP_FLAGS_SKB_MODE;
+		else
+			ifobj->xdp_flags |= XDP_FLAGS_DRV_MODE;
+
+		ifobj->bind_flags = XDP_USE_NEED_WAKEUP;
+		if (mode == TEST_MODE_ZC)
+			ifobj->bind_flags |= XDP_ZEROCOPY;
+		else
+			ifobj->bind_flags |= XDP_COPY;
+	}
+
+	test->mode = mode;
+	__test_spec_init(test, ifobj_tx, ifobj_rx);
+}
+
+static void test_spec_reset(struct test_spec *test)
+{
+	__test_spec_init(test, test->ifobj_tx, test->ifobj_rx);
+}
+
+static void test_spec_set_name(struct test_spec *test, const char *name)
+{
+	strncpy(test->name, name, MAX_TEST_NAME_SIZE);
+}
+
+static void pkt_stream_reset(struct pkt_stream *pkt_stream)
+{
+	if (pkt_stream)
+		pkt_stream->rx_pkt_nb = 0;
+}
+
+static struct pkt *pkt_stream_get_pkt(struct pkt_stream *pkt_stream, u32 pkt_nb)
+{
+	if (pkt_nb >= pkt_stream->nb_pkts)
+		return NULL;
+
+	return &pkt_stream->pkts[pkt_nb];
+}
+
+static struct pkt *pkt_stream_get_next_rx_pkt(struct pkt_stream *pkt_stream, u32 *pkts_sent)
+{
+	while (pkt_stream->rx_pkt_nb < pkt_stream->nb_pkts) {
+		(*pkts_sent)++;
+		if (pkt_stream->pkts[pkt_stream->rx_pkt_nb].valid)
+			return &pkt_stream->pkts[pkt_stream->rx_pkt_nb++];
+		pkt_stream->rx_pkt_nb++;
+	}
+	return NULL;
+}
+
+static void pkt_stream_delete(struct pkt_stream *pkt_stream)
+{
+	free(pkt_stream->pkts);
+	free(pkt_stream);
+}
+
+static void pkt_stream_restore_default(struct test_spec *test)
+{
+	struct pkt_stream *tx_pkt_stream = test->ifobj_tx->pkt_stream;
+	struct pkt_stream *rx_pkt_stream = test->ifobj_rx->pkt_stream;
+
+	if (tx_pkt_stream != test->tx_pkt_stream_default) {
+		pkt_stream_delete(test->ifobj_tx->pkt_stream);
+		test->ifobj_tx->pkt_stream = test->tx_pkt_stream_default;
+	}
+
+	if (rx_pkt_stream != test->rx_pkt_stream_default) {
+		pkt_stream_delete(test->ifobj_rx->pkt_stream);
+		test->ifobj_rx->pkt_stream = test->rx_pkt_stream_default;
+	}
+}
+
+static struct pkt_stream *__pkt_stream_alloc(u32 nb_pkts)
+{
+	struct pkt_stream *pkt_stream;
+
+	pkt_stream = calloc(1, sizeof(*pkt_stream));
+	if (!pkt_stream)
+		return NULL;
+
+	pkt_stream->pkts = calloc(nb_pkts, sizeof(*pkt_stream->pkts));
+	if (!pkt_stream->pkts) {
+		free(pkt_stream);
+		return NULL;
+	}
+
+	pkt_stream->nb_pkts = nb_pkts;
+	return pkt_stream;
+}
+
+static void pkt_set(struct xsk_umem_info *umem, struct pkt *pkt, u64 addr, u32 len)
+{
+	pkt->addr = addr + umem->base_addr;
+	pkt->len = len;
+	if (len > umem->frame_size - XDP_PACKET_HEADROOM - MIN_PKT_SIZE * 2 - umem->frame_headroom)
+		pkt->valid = false;
+	else
+		pkt->valid = true;
+}
+
+static struct pkt_stream *pkt_stream_generate(struct xsk_umem_info *umem, u32 nb_pkts, u32 pkt_len)
+{
+	struct pkt_stream *pkt_stream;
+	u32 i;
+
+	pkt_stream = __pkt_stream_alloc(nb_pkts);
+	if (!pkt_stream)
+		exit_with_error(ENOMEM);
+
+	for (i = 0; i < nb_pkts; i++) {
+		pkt_set(umem, &pkt_stream->pkts[i], (i % umem->num_frames) * umem->frame_size,
+			pkt_len);
+		pkt_stream->pkts[i].payload = i;
+	}
+
+	return pkt_stream;
+}
+
+static struct pkt_stream *pkt_stream_clone(struct xsk_umem_info *umem,
+					   struct pkt_stream *pkt_stream)
+{
+	return pkt_stream_generate(umem, pkt_stream->nb_pkts, pkt_stream->pkts[0].len);
+}
+
+static void pkt_stream_replace(struct test_spec *test, u32 nb_pkts, u32 pkt_len)
+{
+	struct pkt_stream *pkt_stream;
+
+	pkt_stream = pkt_stream_generate(test->ifobj_tx->umem, nb_pkts, pkt_len);
+	test->ifobj_tx->pkt_stream = pkt_stream;
+	pkt_stream = pkt_stream_generate(test->ifobj_rx->umem, nb_pkts, pkt_len);
+	test->ifobj_rx->pkt_stream = pkt_stream;
+}
+
+static void __pkt_stream_replace_half(struct ifobject *ifobj, u32 pkt_len,
+				      int offset)
+{
+	struct xsk_umem_info *umem = ifobj->umem;
+	struct pkt_stream *pkt_stream;
+	u32 i;
+
+	pkt_stream = pkt_stream_clone(umem, ifobj->pkt_stream);
+	for (i = 1; i < ifobj->pkt_stream->nb_pkts; i += 2)
+		pkt_set(umem, &pkt_stream->pkts[i],
+			(i % umem->num_frames) * umem->frame_size + offset, pkt_len);
+
+	ifobj->pkt_stream = pkt_stream;
+}
+
+static void pkt_stream_replace_half(struct test_spec *test, u32 pkt_len, int offset)
+{
+	__pkt_stream_replace_half(test->ifobj_tx, pkt_len, offset);
+	__pkt_stream_replace_half(test->ifobj_rx, pkt_len, offset);
+}
+
+static void pkt_stream_receive_half(struct test_spec *test)
+{
+	struct xsk_umem_info *umem = test->ifobj_rx->umem;
+	struct pkt_stream *pkt_stream = test->ifobj_tx->pkt_stream;
+	u32 i;
+
+	test->ifobj_rx->pkt_stream = pkt_stream_generate(umem, pkt_stream->nb_pkts,
+							 pkt_stream->pkts[0].len);
+	pkt_stream = test->ifobj_rx->pkt_stream;
+	for (i = 1; i < pkt_stream->nb_pkts; i += 2)
+		pkt_stream->pkts[i].valid = false;
+}
+
+static struct pkt *pkt_generate(struct ifobject *ifobject, u32 pkt_nb)
+{
+	struct pkt *pkt = pkt_stream_get_pkt(ifobject->pkt_stream, pkt_nb);
+	struct udphdr *udp_hdr;
+	struct ethhdr *eth_hdr;
+	struct iphdr *ip_hdr;
+	void *data;
+
+	if (!pkt)
+		return NULL;
+	if (!pkt->valid || pkt->len < MIN_PKT_SIZE)
+		return pkt;
+
+	data = xsk_umem__get_data(ifobject->umem->buffer, pkt->addr);
+	udp_hdr = (struct udphdr *)(data + sizeof(struct ethhdr) + sizeof(struct iphdr));
+	ip_hdr = (struct iphdr *)(data + sizeof(struct ethhdr));
+	eth_hdr = (struct ethhdr *)data;
+
+	gen_udp_hdr(pkt_nb, data, ifobject, udp_hdr);
+	gen_ip_hdr(ifobject, ip_hdr);
+	gen_udp_csum(udp_hdr, ip_hdr);
+	gen_eth_hdr(ifobject, eth_hdr);
+
+	return pkt;
+}
+
+static void __pkt_stream_generate_custom(struct ifobject *ifobj,
+					 struct pkt *pkts, u32 nb_pkts)
+{
+	struct pkt_stream *pkt_stream;
+	u32 i;
+
+	pkt_stream = __pkt_stream_alloc(nb_pkts);
+	if (!pkt_stream)
+		exit_with_error(ENOMEM);
+
+	for (i = 0; i < nb_pkts; i++) {
+		pkt_stream->pkts[i].addr = pkts[i].addr + ifobj->umem->base_addr;
+		pkt_stream->pkts[i].len = pkts[i].len;
+		pkt_stream->pkts[i].payload = i;
+		pkt_stream->pkts[i].valid = pkts[i].valid;
+	}
+
+	ifobj->pkt_stream = pkt_stream;
+}
+
+static void pkt_stream_generate_custom(struct test_spec *test, struct pkt *pkts, u32 nb_pkts)
+{
+	__pkt_stream_generate_custom(test->ifobj_tx, pkts, nb_pkts);
+	__pkt_stream_generate_custom(test->ifobj_rx, pkts, nb_pkts);
+}
+
+static void pkt_dump(void *pkt, u32 len)
+{
+	char s[INET_ADDRSTRLEN];
+	struct ethhdr *ethhdr;
+	struct udphdr *udphdr;
+	struct iphdr *iphdr;
+	u32 payload, i;
+
+	ethhdr = pkt;
+	iphdr = pkt + sizeof(*ethhdr);
+	udphdr = pkt + sizeof(*ethhdr) + sizeof(*iphdr);
+
+	/*extract L2 frame */
+	fprintf(stdout, "DEBUG>> L2: dst mac: ");
+	for (i = 0; i < ETH_ALEN; i++)
+		fprintf(stdout, "%02X", ethhdr->h_dest[i]);
+
+	fprintf(stdout, "\nDEBUG>> L2: src mac: ");
+	for (i = 0; i < ETH_ALEN; i++)
+		fprintf(stdout, "%02X", ethhdr->h_source[i]);
+
+	/*extract L3 frame */
+	fprintf(stdout, "\nDEBUG>> L3: ip_hdr->ihl: %02X\n", iphdr->ihl);
+	fprintf(stdout, "DEBUG>> L3: ip_hdr->saddr: %s\n",
+		inet_ntop(AF_INET, &iphdr->saddr, s, sizeof(s)));
+	fprintf(stdout, "DEBUG>> L3: ip_hdr->daddr: %s\n",
+		inet_ntop(AF_INET, &iphdr->daddr, s, sizeof(s)));
+	/*extract L4 frame */
+	fprintf(stdout, "DEBUG>> L4: udp_hdr->src: %d\n", ntohs(udphdr->source));
+	fprintf(stdout, "DEBUG>> L4: udp_hdr->dst: %d\n", ntohs(udphdr->dest));
+	/*extract L5 frame */
+	payload = ntohl(*((u32 *)(pkt + PKT_HDR_SIZE)));
+
+	fprintf(stdout, "DEBUG>> L5: payload: %d\n", payload);
+	fprintf(stdout, "---------------------------------------\n");
+}
+
+static bool is_offset_correct(struct xsk_umem_info *umem, struct pkt_stream *pkt_stream, u64 addr,
+			      u64 pkt_stream_addr)
+{
+	u32 headroom = umem->unaligned_mode ? 0 : umem->frame_headroom;
+	u32 offset = addr % umem->frame_size, expected_offset = 0;
+
+	if (!pkt_stream->use_addr_for_fill)
+		pkt_stream_addr = 0;
+
+	expected_offset += (pkt_stream_addr + headroom + XDP_PACKET_HEADROOM) % umem->frame_size;
+
+	if (offset == expected_offset)
+		return true;
+
+	ksft_print_msg("[%s] expected [%u], got [%u]\n", __func__, expected_offset, offset);
+	return false;
+}
+
+static bool is_pkt_valid(struct pkt *pkt, void *buffer, u64 addr, u32 len)
+{
+	void *data = xsk_umem__get_data(buffer, addr);
+	struct iphdr *iphdr = (struct iphdr *)(data + sizeof(struct ethhdr));
+
+	if (!pkt) {
+		ksft_print_msg("[%s] too many packets received\n", __func__);
+		return false;
+	}
+
+	if (len < MIN_PKT_SIZE || pkt->len < MIN_PKT_SIZE) {
+		/* Do not try to verify packets that are smaller than minimum size. */
+		return true;
+	}
+
+	if (pkt->len != len) {
+		ksft_print_msg("[%s] expected length [%d], got length [%d]\n",
+			       __func__, pkt->len, len);
+		return false;
+	}
+
+	if (iphdr->version == IP_PKT_VER && iphdr->tos == IP_PKT_TOS) {
+		u32 seqnum = ntohl(*((u32 *)(data + PKT_HDR_SIZE)));
+
+		if (opt_pkt_dump)
+			pkt_dump(data, PKT_SIZE);
+
+		if (pkt->payload != seqnum) {
+			ksft_print_msg("[%s] expected seqnum [%d], got seqnum [%d]\n",
+				       __func__, pkt->payload, seqnum);
+			return false;
+		}
+	} else {
+		ksft_print_msg("Invalid frame received: ");
+		ksft_print_msg("[IP_PKT_VER: %02X], [IP_PKT_TOS: %02X]\n", iphdr->version,
+			       iphdr->tos);
+		return false;
+	}
+
+	return true;
+}
+
+static void kick_tx(struct xsk_socket_info *xsk)
+{
+	int ret;
+
+	ret = sendto(xsk_socket__fd(xsk->xsk), NULL, 0, MSG_DONTWAIT, NULL, 0);
+	if (ret >= 0)
+		return;
+	if (errno == ENOBUFS || errno == EAGAIN || errno == EBUSY || errno == ENETDOWN) {
+		usleep(100);
+		return;
+	}
+	exit_with_error(errno);
+}
+
+static void kick_rx(struct xsk_socket_info *xsk)
+{
+	int ret;
+
+	ret = recvfrom(xsk_socket__fd(xsk->xsk), NULL, 0, MSG_DONTWAIT, NULL, NULL);
+	if (ret < 0)
+		exit_with_error(errno);
+}
+
+static int complete_pkts(struct xsk_socket_info *xsk, int batch_size)
+{
+	unsigned int rcvd;
+	u32 idx;
+
+	if (xsk_ring_prod__needs_wakeup(&xsk->tx))
+		kick_tx(xsk);
+
+	rcvd = xsk_ring_cons__peek(&xsk->umem->cq, batch_size, &idx);
+	if (rcvd) {
+		if (rcvd > xsk->outstanding_tx) {
+			u64 addr = *xsk_ring_cons__comp_addr(&xsk->umem->cq, idx + rcvd - 1);
+
+			ksft_print_msg("[%s] Too many packets completed\n", __func__);
+			ksft_print_msg("Last completion address: %llx\n", addr);
+			return TEST_FAILURE;
+		}
+
+		xsk_ring_cons__release(&xsk->umem->cq, rcvd);
+		xsk->outstanding_tx -= rcvd;
+	}
+
+	return TEST_PASS;
+}
+
+static int receive_pkts(struct test_spec *test, struct pollfd *fds)
+{
+	struct timeval tv_end, tv_now, tv_timeout = {THREAD_TMOUT, 0};
+	struct pkt_stream *pkt_stream = test->ifobj_rx->pkt_stream;
+	u32 idx_rx = 0, idx_fq = 0, rcvd, i, pkts_sent = 0;
+	struct xsk_socket_info *xsk = test->ifobj_rx->xsk;
+	struct ifobject *ifobj = test->ifobj_rx;
+	struct xsk_umem_info *umem = xsk->umem;
+	struct pkt *pkt;
+	int ret;
+
+	ret = gettimeofday(&tv_now, NULL);
+	if (ret)
+		exit_with_error(errno);
+	timeradd(&tv_now, &tv_timeout, &tv_end);
+
+	pkt = pkt_stream_get_next_rx_pkt(pkt_stream, &pkts_sent);
+	while (pkt) {
+		ret = gettimeofday(&tv_now, NULL);
+		if (ret)
+			exit_with_error(errno);
+		if (timercmp(&tv_now, &tv_end, >)) {
+			ksft_print_msg("ERROR: [%s] Receive loop timed out\n", __func__);
+			return TEST_FAILURE;
+		}
+
+		kick_rx(xsk);
+		if (ifobj->use_poll) {
+			ret = poll(fds, 1, POLL_TMOUT);
+			if (ret < 0)
+				exit_with_error(errno);
+
+			if (!ret) {
+				if (!is_umem_valid(test->ifobj_tx))
+					return TEST_PASS;
+
+				ksft_print_msg("ERROR: [%s] Poll timed out\n", __func__);
+				return TEST_FAILURE;
+
+			}
+
+			if (!(fds->revents & POLLIN))
+				continue;
+		}
+
+		rcvd = xsk_ring_cons__peek(&xsk->rx, BATCH_SIZE, &idx_rx);
+		if (!rcvd)
+			continue;
+
+		if (ifobj->use_fill_ring) {
+			ret = xsk_ring_prod__reserve(&umem->fq, rcvd, &idx_fq);
+			while (ret != rcvd) {
+				if (ret < 0)
+					exit_with_error(-ret);
+				if (xsk_ring_prod__needs_wakeup(&umem->fq)) {
+					ret = poll(fds, 1, POLL_TMOUT);
+					if (ret < 0)
+						exit_with_error(errno);
+				}
+				ret = xsk_ring_prod__reserve(&umem->fq, rcvd, &idx_fq);
+			}
+		}
+
+		for (i = 0; i < rcvd; i++) {
+			const struct xdp_desc *desc = xsk_ring_cons__rx_desc(&xsk->rx, idx_rx++);
+			u64 addr = desc->addr, orig;
+
+			orig = xsk_umem__extract_addr(addr);
+			addr = xsk_umem__add_offset_to_addr(addr);
+
+			if (!is_pkt_valid(pkt, umem->buffer, addr, desc->len) ||
+			    !is_offset_correct(umem, pkt_stream, addr, pkt->addr))
+				return TEST_FAILURE;
+
+			if (ifobj->use_fill_ring)
+				*xsk_ring_prod__fill_addr(&umem->fq, idx_fq++) = orig;
+			pkt = pkt_stream_get_next_rx_pkt(pkt_stream, &pkts_sent);
+		}
+
+		if (ifobj->use_fill_ring)
+			xsk_ring_prod__submit(&umem->fq, rcvd);
+		if (ifobj->release_rx)
+			xsk_ring_cons__release(&xsk->rx, rcvd);
+
+		pthread_mutex_lock(&pacing_mutex);
+		pkts_in_flight -= pkts_sent;
+		if (pkts_in_flight < umem->num_frames)
+			pthread_cond_signal(&pacing_cond);
+		pthread_mutex_unlock(&pacing_mutex);
+		pkts_sent = 0;
+	}
+
+	return TEST_PASS;
+}
+
+static int __send_pkts(struct ifobject *ifobject, u32 *pkt_nb, struct pollfd *fds,
+		       bool timeout)
+{
+	struct xsk_socket_info *xsk = ifobject->xsk;
+	bool use_poll = ifobject->use_poll;
+	u32 i, idx = 0, ret, valid_pkts = 0;
+
+	while (xsk_ring_prod__reserve(&xsk->tx, BATCH_SIZE, &idx) < BATCH_SIZE) {
+		if (use_poll) {
+			ret = poll(fds, 1, POLL_TMOUT);
+			if (timeout) {
+				if (ret < 0) {
+					ksft_print_msg("ERROR: [%s] Poll error %d\n",
+						       __func__, errno);
+					return TEST_FAILURE;
+				}
+				if (ret == 0)
+					return TEST_PASS;
+				break;
+			}
+			if (ret <= 0) {
+				ksft_print_msg("ERROR: [%s] Poll error %d\n",
+					       __func__, errno);
+				return TEST_FAILURE;
+			}
+		}
+
+		complete_pkts(xsk, BATCH_SIZE);
+	}
+
+	for (i = 0; i < BATCH_SIZE; i++) {
+		struct xdp_desc *tx_desc = xsk_ring_prod__tx_desc(&xsk->tx, idx + i);
+		struct pkt *pkt = pkt_generate(ifobject, *pkt_nb);
+
+		if (!pkt)
+			break;
+
+		tx_desc->addr = pkt->addr;
+		tx_desc->len = pkt->len;
+		(*pkt_nb)++;
+		if (pkt->valid)
+			valid_pkts++;
+	}
+
+	pthread_mutex_lock(&pacing_mutex);
+	pkts_in_flight += valid_pkts;
+	/* pkts_in_flight might be negative if many invalid packets are sent */
+	if (pkts_in_flight >= (int)(ifobject->umem->num_frames - BATCH_SIZE)) {
+		kick_tx(xsk);
+		pthread_cond_wait(&pacing_cond, &pacing_mutex);
+	}
+	pthread_mutex_unlock(&pacing_mutex);
+
+	xsk_ring_prod__submit(&xsk->tx, i);
+	xsk->outstanding_tx += valid_pkts;
+
+	if (use_poll) {
+		ret = poll(fds, 1, POLL_TMOUT);
+		if (ret <= 0) {
+			if (ret == 0 && timeout)
+				return TEST_PASS;
+
+			ksft_print_msg("ERROR: [%s] Poll error %d\n", __func__, ret);
+			return TEST_FAILURE;
+		}
+	}
+
+	if (!timeout) {
+		if (complete_pkts(xsk, i))
+			return TEST_FAILURE;
+
+		usleep(10);
+		return TEST_PASS;
+	}
+
+	return TEST_CONTINUE;
+}
+
+static void wait_for_tx_completion(struct xsk_socket_info *xsk)
+{
+	while (xsk->outstanding_tx)
+		complete_pkts(xsk, BATCH_SIZE);
+}
+
+static int send_pkts(struct test_spec *test, struct ifobject *ifobject)
+{
+	bool timeout = !is_umem_valid(test->ifobj_rx);
+	struct pollfd fds = { };
+	u32 pkt_cnt = 0, ret;
+
+	fds.fd = xsk_socket__fd(ifobject->xsk->xsk);
+	fds.events = POLLOUT;
+
+	while (pkt_cnt < ifobject->pkt_stream->nb_pkts) {
+		ret = __send_pkts(ifobject, &pkt_cnt, &fds, timeout);
+		if ((ret || test->fail) && !timeout)
+			return TEST_FAILURE;
+		else if (ret == TEST_PASS && timeout)
+			return ret;
+	}
+
+	wait_for_tx_completion(ifobject->xsk);
+	return TEST_PASS;
+}
+
+static int get_xsk_stats(struct xsk_socket *xsk, struct xdp_statistics *stats)
+{
+	int fd = xsk_socket__fd(xsk), err;
+	socklen_t optlen, expected_len;
+
+	optlen = sizeof(*stats);
+	err = getsockopt(fd, SOL_XDP, XDP_STATISTICS, stats, &optlen);
+	if (err) {
+		ksft_print_msg("[%s] getsockopt(XDP_STATISTICS) error %u %s\n",
+			       __func__, -err, strerror(-err));
+		return TEST_FAILURE;
+	}
+
+	expected_len = sizeof(struct xdp_statistics);
+	if (optlen != expected_len) {
+		ksft_print_msg("[%s] getsockopt optlen error. Expected: %u got: %u\n",
+			       __func__, expected_len, optlen);
+		return TEST_FAILURE;
+	}
+
+	return TEST_PASS;
+}
+
+static int validate_rx_dropped(struct ifobject *ifobject)
+{
+	struct xsk_socket *xsk = ifobject->xsk->xsk;
+	struct xdp_statistics stats;
+	int err;
+
+	kick_rx(ifobject->xsk);
+
+	err = get_xsk_stats(xsk, &stats);
+	if (err)
+		return TEST_FAILURE;
+
+	/* The receiver calls getsockopt after receiving the last (valid)
+	 * packet which is not the final packet sent in this test (valid and
+	 * invalid packets are sent in alternating fashion with the final
+	 * packet being invalid). Since the last packet may or may not have
+	 * been dropped already, both outcomes must be allowed.
+	 */
+	if (stats.rx_dropped == ifobject->pkt_stream->nb_pkts / 2 ||
+	    stats.rx_dropped == ifobject->pkt_stream->nb_pkts / 2 - 1)
+		return TEST_PASS;
+
+	return TEST_FAILURE;
+}
+
+static int validate_rx_full(struct ifobject *ifobject)
+{
+	struct xsk_socket *xsk = ifobject->xsk->xsk;
+	struct xdp_statistics stats;
+	int err;
+
+	usleep(1000);
+	kick_rx(ifobject->xsk);
+
+	err = get_xsk_stats(xsk, &stats);
+	if (err)
+		return TEST_FAILURE;
+
+	if (stats.rx_ring_full)
+		return TEST_PASS;
+
+	return TEST_FAILURE;
+}
+
+static int validate_fill_empty(struct ifobject *ifobject)
+{
+	struct xsk_socket *xsk = ifobject->xsk->xsk;
+	struct xdp_statistics stats;
+	int err;
+
+	usleep(1000);
+	kick_rx(ifobject->xsk);
+
+	err = get_xsk_stats(xsk, &stats);
+	if (err)
+		return TEST_FAILURE;
+
+	if (stats.rx_fill_ring_empty_descs)
+		return TEST_PASS;
+
+	return TEST_FAILURE;
+}
+
+static int validate_tx_invalid_descs(struct ifobject *ifobject)
+{
+	struct xsk_socket *xsk = ifobject->xsk->xsk;
+	int fd = xsk_socket__fd(xsk);
+	struct xdp_statistics stats;
+	socklen_t optlen;
+	int err;
+
+	optlen = sizeof(stats);
+	err = getsockopt(fd, SOL_XDP, XDP_STATISTICS, &stats, &optlen);
+	if (err) {
+		ksft_print_msg("[%s] getsockopt(XDP_STATISTICS) error %u %s\n",
+			       __func__, -err, strerror(-err));
+		return TEST_FAILURE;
+	}
+
+	if (stats.tx_invalid_descs != ifobject->pkt_stream->nb_pkts / 2) {
+		ksft_print_msg("[%s] tx_invalid_descs incorrect. Got [%u] expected [%u]\n",
+			       __func__, stats.tx_invalid_descs, ifobject->pkt_stream->nb_pkts);
+		return TEST_FAILURE;
+	}
+
+	return TEST_PASS;
+}
+
+static void xsk_configure_socket(struct test_spec *test, struct ifobject *ifobject,
+				 struct xsk_umem_info *umem, bool tx)
+{
+	int i, ret;
+
+	for (i = 0; i < test->nb_sockets; i++) {
+		bool shared = (ifobject->shared_umem && tx) ? true : !!i;
+		u32 ctr = 0;
+
+		while (ctr++ < SOCK_RECONF_CTR) {
+			ret = __xsk_configure_socket(&ifobject->xsk_arr[i], umem,
+						     ifobject, shared);
+			if (!ret)
+				break;
+
+			/* Retry if it fails as xsk_socket__create() is asynchronous */
+			if (ctr >= SOCK_RECONF_CTR)
+				exit_with_error(-ret);
+			usleep(USLEEP_MAX);
+		}
+		if (ifobject->busy_poll)
+			enable_busy_poll(&ifobject->xsk_arr[i]);
+	}
+}
+
+static void thread_common_ops_tx(struct test_spec *test, struct ifobject *ifobject)
+{
+	xsk_configure_socket(test, ifobject, test->ifobj_rx->umem, true);
+	ifobject->xsk = &ifobject->xsk_arr[0];
+	ifobject->xsk_map_fd = test->ifobj_rx->xsk_map_fd;
+	memcpy(ifobject->umem, test->ifobj_rx->umem, sizeof(struct xsk_umem_info));
+}
+
+static void xsk_populate_fill_ring(struct xsk_umem_info *umem, struct pkt_stream *pkt_stream)
+{
+	u32 idx = 0, i, buffers_to_fill;
+	int ret;
+
+	if (umem->num_frames < XSK_RING_PROD__DEFAULT_NUM_DESCS)
+		buffers_to_fill = umem->num_frames;
+	else
+		buffers_to_fill = XSK_RING_PROD__DEFAULT_NUM_DESCS;
+
+	ret = xsk_ring_prod__reserve(&umem->fq, buffers_to_fill, &idx);
+	if (ret != buffers_to_fill)
+		exit_with_error(ENOSPC);
+	for (i = 0; i < buffers_to_fill; i++) {
+		u64 addr;
+
+		if (pkt_stream->use_addr_for_fill) {
+			struct pkt *pkt = pkt_stream_get_pkt(pkt_stream, i);
+
+			if (!pkt)
+				break;
+			addr = pkt->addr;
+		} else {
+			addr = i * umem->frame_size;
+		}
+
+		*xsk_ring_prod__fill_addr(&umem->fq, idx++) = addr;
+	}
+	xsk_ring_prod__submit(&umem->fq, buffers_to_fill);
+}
+
+static void thread_common_ops(struct test_spec *test, struct ifobject *ifobject)
+{
+	u64 umem_sz = ifobject->umem->num_frames * ifobject->umem->frame_size;
+	int mmap_flags = MAP_PRIVATE | MAP_ANONYMOUS | MAP_NORESERVE;
+	LIBBPF_OPTS(bpf_xdp_query_opts, opts);
+	int ret, ifindex;
+	void *bufs;
+
+	ifobject->ns_fd = switch_namespace(ifobject->nsname);
+
+	if (ifobject->umem->unaligned_mode)
+		mmap_flags |= MAP_HUGETLB;
+
+	if (ifobject->shared_umem)
+		umem_sz *= 2;
+
+	bufs = mmap(NULL, umem_sz, PROT_READ | PROT_WRITE, mmap_flags, -1, 0);
+	if (bufs == MAP_FAILED)
+		exit_with_error(errno);
+
+	ret = xsk_configure_umem(ifobject->umem, bufs, umem_sz);
+	if (ret)
+		exit_with_error(-ret);
+
+	xsk_populate_fill_ring(ifobject->umem, ifobject->pkt_stream);
+
+	xsk_configure_socket(test, ifobject, ifobject->umem, false);
+
+	ifobject->xsk = &ifobject->xsk_arr[0];
+
+	if (!ifobject->rx_on)
+		return;
+
+	ifindex = if_nametoindex(ifobject->ifname);
+	if (!ifindex)
+		exit_with_error(errno);
+
+	ret = xsk_setup_xdp_prog_xsk(ifobject->xsk->xsk, &ifobject->xsk_map_fd);
+	if (ret)
+		exit_with_error(-ret);
+
+	ret = bpf_xdp_query(ifindex, ifobject->xdp_flags, &opts);
+	if (ret)
+		exit_with_error(-ret);
+
+	if (ifobject->xdp_flags & XDP_FLAGS_SKB_MODE) {
+		if (opts.attach_mode != XDP_ATTACHED_SKB) {
+			ksft_print_msg("ERROR: [%s] XDP prog not in SKB mode\n");
+			exit_with_error(EINVAL);
+		}
+	} else if (ifobject->xdp_flags & XDP_FLAGS_DRV_MODE) {
+		if (opts.attach_mode != XDP_ATTACHED_DRV) {
+			ksft_print_msg("ERROR: [%s] XDP prog not in DRV mode\n");
+			exit_with_error(EINVAL);
+		}
+	}
+
+	ret = xsk_socket__update_xskmap(ifobject->xsk->xsk, ifobject->xsk_map_fd);
+	if (ret)
+		exit_with_error(errno);
+}
+
+static void *worker_testapp_validate_tx(void *arg)
+{
+	struct test_spec *test = (struct test_spec *)arg;
+	struct ifobject *ifobject = test->ifobj_tx;
+	int err;
+
+	if (test->current_step == 1) {
+		if (!ifobject->shared_umem)
+			thread_common_ops(test, ifobject);
+		else
+			thread_common_ops_tx(test, ifobject);
+	}
+
+	print_verbose("Sending %d packets on interface %s\n", ifobject->pkt_stream->nb_pkts,
+		      ifobject->ifname);
+	err = send_pkts(test, ifobject);
+
+	if (!err && ifobject->validation_func)
+		err = ifobject->validation_func(ifobject);
+	if (err)
+		report_failure(test);
+
+	pthread_exit(NULL);
+}
+
+static void *worker_testapp_validate_rx(void *arg)
+{
+	struct test_spec *test = (struct test_spec *)arg;
+	struct ifobject *ifobject = test->ifobj_rx;
+	struct pollfd fds = { };
+	int id = 0;
+	int err;
+
+	if (test->current_step == 1) {
+		thread_common_ops(test, ifobject);
+	} else {
+		bpf_map_delete_elem(ifobject->xsk_map_fd, &id);
+		xsk_socket__update_xskmap(ifobject->xsk->xsk, ifobject->xsk_map_fd);
+	}
+
+	fds.fd = xsk_socket__fd(ifobject->xsk->xsk);
+	fds.events = POLLIN;
+
+	pthread_barrier_wait(&barr);
+
+	err = receive_pkts(test, &fds);
+
+	if (!err && ifobject->validation_func)
+		err = ifobject->validation_func(ifobject);
+	if (err) {
+		report_failure(test);
+		pthread_mutex_lock(&pacing_mutex);
+		pthread_cond_signal(&pacing_cond);
+		pthread_mutex_unlock(&pacing_mutex);
+	}
+
+	pthread_exit(NULL);
+}
+
+static void testapp_clean_xsk_umem(struct ifobject *ifobj)
+{
+	u64 umem_sz = ifobj->umem->num_frames * ifobj->umem->frame_size;
+
+	if (ifobj->shared_umem)
+		umem_sz *= 2;
+
+	xsk_umem__delete(ifobj->umem->umem);
+	munmap(ifobj->umem->buffer, umem_sz);
+}
+
+static void handler(int signum)
+{
+	pthread_exit(NULL);
+}
+
+static int testapp_validate_traffic_single_thread(struct test_spec *test, struct ifobject *ifobj,
+						  enum test_type type)
+{
+	bool old_shared_umem = ifobj->shared_umem;
+	pthread_t t0;
+
+	if (pthread_barrier_init(&barr, NULL, 2))
+		exit_with_error(errno);
+
+	test->current_step++;
+	if (type == TEST_TYPE_POLL_RXQ_TMOUT)
+		pkt_stream_reset(ifobj->pkt_stream);
+	pkts_in_flight = 0;
+
+	test->ifobj_rx->shared_umem = false;
+	test->ifobj_tx->shared_umem = false;
+
+	signal(SIGUSR1, handler);
+	/* Spawn thread */
+	pthread_create(&t0, NULL, ifobj->func_ptr, test);
+
+	if (type != TEST_TYPE_POLL_TXQ_TMOUT)
+		pthread_barrier_wait(&barr);
+
+	if (pthread_barrier_destroy(&barr))
+		exit_with_error(errno);
+
+	pthread_kill(t0, SIGUSR1);
+	pthread_join(t0, NULL);
+
+	if (test->total_steps == test->current_step || test->fail) {
+		xsk_socket__delete(ifobj->xsk->xsk);
+		testapp_clean_xsk_umem(ifobj);
+	}
+
+	test->ifobj_rx->shared_umem = old_shared_umem;
+	test->ifobj_tx->shared_umem = old_shared_umem;
+
+	return !!test->fail;
+}
+
+static int testapp_validate_traffic(struct test_spec *test)
+{
+	struct ifobject *ifobj_tx = test->ifobj_tx;
+	struct ifobject *ifobj_rx = test->ifobj_rx;
+	pthread_t t0, t1;
+
+	if (pthread_barrier_init(&barr, NULL, 2))
+		exit_with_error(errno);
+
+	test->current_step++;
+	pkt_stream_reset(ifobj_rx->pkt_stream);
+	pkts_in_flight = 0;
+
+	/*Spawn RX thread */
+	pthread_create(&t0, NULL, ifobj_rx->func_ptr, test);
+
+	pthread_barrier_wait(&barr);
+	if (pthread_barrier_destroy(&barr))
+		exit_with_error(errno);
+
+	/*Spawn TX thread */
+	pthread_create(&t1, NULL, ifobj_tx->func_ptr, test);
+
+	pthread_join(t1, NULL);
+	pthread_join(t0, NULL);
+
+	if (test->total_steps == test->current_step || test->fail) {
+		xsk_socket__delete(ifobj_tx->xsk->xsk);
+		xsk_socket__delete(ifobj_rx->xsk->xsk);
+		testapp_clean_xsk_umem(ifobj_rx);
+		if (!ifobj_tx->shared_umem)
+			testapp_clean_xsk_umem(ifobj_tx);
+	}
+
+	return !!test->fail;
+}
+
+static void testapp_teardown(struct test_spec *test)
+{
+	int i;
+
+	test_spec_set_name(test, "TEARDOWN");
+	for (i = 0; i < MAX_TEARDOWN_ITER; i++) {
+		if (testapp_validate_traffic(test))
+			return;
+		test_spec_reset(test);
+	}
+}
+
+static void swap_directions(struct ifobject **ifobj1, struct ifobject **ifobj2)
+{
+	thread_func_t tmp_func_ptr = (*ifobj1)->func_ptr;
+	struct ifobject *tmp_ifobj = (*ifobj1);
+
+	(*ifobj1)->func_ptr = (*ifobj2)->func_ptr;
+	(*ifobj2)->func_ptr = tmp_func_ptr;
+
+	*ifobj1 = *ifobj2;
+	*ifobj2 = tmp_ifobj;
+}
+
+static void testapp_bidi(struct test_spec *test)
+{
+	test_spec_set_name(test, "BIDIRECTIONAL");
+	test->ifobj_tx->rx_on = true;
+	test->ifobj_rx->tx_on = true;
+	test->total_steps = 2;
+	if (testapp_validate_traffic(test))
+		return;
+
+	print_verbose("Switching Tx/Rx vectors\n");
+	swap_directions(&test->ifobj_rx, &test->ifobj_tx);
+	testapp_validate_traffic(test);
+
+	swap_directions(&test->ifobj_rx, &test->ifobj_tx);
+}
+
+static void swap_xsk_resources(struct ifobject *ifobj_tx, struct ifobject *ifobj_rx)
+{
+	int ret;
+
+	xsk_socket__delete(ifobj_tx->xsk->xsk);
+	xsk_socket__delete(ifobj_rx->xsk->xsk);
+	ifobj_tx->xsk = &ifobj_tx->xsk_arr[1];
+	ifobj_rx->xsk = &ifobj_rx->xsk_arr[1];
+
+	ret = xsk_socket__update_xskmap(ifobj_rx->xsk->xsk, ifobj_rx->xsk_map_fd);
+	if (ret)
+		exit_with_error(errno);
+}
+
+static void testapp_bpf_res(struct test_spec *test)
+{
+	test_spec_set_name(test, "BPF_RES");
+	test->total_steps = 2;
+	test->nb_sockets = 2;
+	if (testapp_validate_traffic(test))
+		return;
+
+	swap_xsk_resources(test->ifobj_tx, test->ifobj_rx);
+	testapp_validate_traffic(test);
+}
+
+static void testapp_headroom(struct test_spec *test)
+{
+	test_spec_set_name(test, "UMEM_HEADROOM");
+	test->ifobj_rx->umem->frame_headroom = UMEM_HEADROOM_TEST_SIZE;
+	testapp_validate_traffic(test);
+}
+
+static void testapp_stats_rx_dropped(struct test_spec *test)
+{
+	test_spec_set_name(test, "STAT_RX_DROPPED");
+	pkt_stream_replace_half(test, MIN_PKT_SIZE * 4, 0);
+	test->ifobj_rx->umem->frame_headroom = test->ifobj_rx->umem->frame_size -
+		XDP_PACKET_HEADROOM - MIN_PKT_SIZE * 3;
+	pkt_stream_receive_half(test);
+	test->ifobj_rx->validation_func = validate_rx_dropped;
+	testapp_validate_traffic(test);
+}
+
+static void testapp_stats_tx_invalid_descs(struct test_spec *test)
+{
+	test_spec_set_name(test, "STAT_TX_INVALID");
+	pkt_stream_replace_half(test, XSK_UMEM__INVALID_FRAME_SIZE, 0);
+	test->ifobj_tx->validation_func = validate_tx_invalid_descs;
+	testapp_validate_traffic(test);
+
+	pkt_stream_restore_default(test);
+}
+
+static void testapp_stats_rx_full(struct test_spec *test)
+{
+	test_spec_set_name(test, "STAT_RX_FULL");
+	pkt_stream_replace(test, DEFAULT_UMEM_BUFFERS + DEFAULT_UMEM_BUFFERS / 2, PKT_SIZE);
+	test->ifobj_rx->pkt_stream = pkt_stream_generate(test->ifobj_rx->umem,
+							 DEFAULT_UMEM_BUFFERS, PKT_SIZE);
+	if (!test->ifobj_rx->pkt_stream)
+		exit_with_error(ENOMEM);
+
+	test->ifobj_rx->xsk->rxqsize = DEFAULT_UMEM_BUFFERS;
+	test->ifobj_rx->release_rx = false;
+	test->ifobj_rx->validation_func = validate_rx_full;
+	testapp_validate_traffic(test);
+
+	pkt_stream_restore_default(test);
+}
+
+static void testapp_stats_fill_empty(struct test_spec *test)
+{
+	test_spec_set_name(test, "STAT_RX_FILL_EMPTY");
+	pkt_stream_replace(test, DEFAULT_UMEM_BUFFERS + DEFAULT_UMEM_BUFFERS / 2, PKT_SIZE);
+	test->ifobj_rx->pkt_stream = pkt_stream_generate(test->ifobj_rx->umem,
+							 DEFAULT_UMEM_BUFFERS, PKT_SIZE);
+	if (!test->ifobj_rx->pkt_stream)
+		exit_with_error(ENOMEM);
+
+	test->ifobj_rx->use_fill_ring = false;
+	test->ifobj_rx->validation_func = validate_fill_empty;
+	testapp_validate_traffic(test);
+
+	pkt_stream_restore_default(test);
+}
+
+/* Simple test */
+static bool hugepages_present(struct ifobject *ifobject)
+{
+	const size_t mmap_sz = 2 * ifobject->umem->num_frames * ifobject->umem->frame_size;
+	void *bufs;
+
+	bufs = mmap(NULL, mmap_sz, PROT_READ | PROT_WRITE,
+		    MAP_PRIVATE | MAP_ANONYMOUS | MAP_HUGETLB, -1, 0);
+	if (bufs == MAP_FAILED)
+		return false;
+
+	munmap(bufs, mmap_sz);
+	return true;
+}
+
+static bool testapp_unaligned(struct test_spec *test)
+{
+	if (!hugepages_present(test->ifobj_tx)) {
+		ksft_test_result_skip("No 2M huge pages present.\n");
+		return false;
+	}
+
+	test_spec_set_name(test, "UNALIGNED_MODE");
+	test->ifobj_tx->umem->unaligned_mode = true;
+	test->ifobj_rx->umem->unaligned_mode = true;
+	/* Let half of the packets straddle a buffer boundrary */
+	pkt_stream_replace_half(test, PKT_SIZE, -PKT_SIZE / 2);
+	test->ifobj_rx->pkt_stream->use_addr_for_fill = true;
+	testapp_validate_traffic(test);
+
+	pkt_stream_restore_default(test);
+	return true;
+}
+
+static void testapp_single_pkt(struct test_spec *test)
+{
+	struct pkt pkts[] = {{0x1000, PKT_SIZE, 0, true}};
+
+	pkt_stream_generate_custom(test, pkts, ARRAY_SIZE(pkts));
+	testapp_validate_traffic(test);
+	pkt_stream_restore_default(test);
+}
+
+static void testapp_invalid_desc(struct test_spec *test)
+{
+	u64 umem_size = test->ifobj_tx->umem->num_frames * test->ifobj_tx->umem->frame_size;
+	struct pkt pkts[] = {
+		/* Zero packet address allowed */
+		{0, PKT_SIZE, 0, true},
+		/* Allowed packet */
+		{0x1000, PKT_SIZE, 0, true},
+		/* Straddling the start of umem */
+		{-2, PKT_SIZE, 0, false},
+		/* Packet too large */
+		{0x2000, XSK_UMEM__INVALID_FRAME_SIZE, 0, false},
+		/* After umem ends */
+		{umem_size, PKT_SIZE, 0, false},
+		/* Straddle the end of umem */
+		{umem_size - PKT_SIZE / 2, PKT_SIZE, 0, false},
+		/* Straddle a page boundrary */
+		{0x3000 - PKT_SIZE / 2, PKT_SIZE, 0, false},
+		/* Straddle a 2K boundrary */
+		{0x3800 - PKT_SIZE / 2, PKT_SIZE, 0, true},
+		/* Valid packet for synch so that something is received */
+		{0x4000, PKT_SIZE, 0, true}};
+
+	if (test->ifobj_tx->umem->unaligned_mode) {
+		/* Crossing a page boundrary allowed */
+		pkts[6].valid = true;
+	}
+	if (test->ifobj_tx->umem->frame_size == XSK_UMEM__DEFAULT_FRAME_SIZE / 2) {
+		/* Crossing a 2K frame size boundrary not allowed */
+		pkts[7].valid = false;
+	}
+
+	if (test->ifobj_tx->shared_umem) {
+		pkts[4].addr += umem_size;
+		pkts[5].addr += umem_size;
+	}
+
+	pkt_stream_generate_custom(test, pkts, ARRAY_SIZE(pkts));
+	testapp_validate_traffic(test);
+	pkt_stream_restore_default(test);
+}
+
+static void init_iface(struct ifobject *ifobj, const char *dst_mac, const char *src_mac,
+		       const char *dst_ip, const char *src_ip, const u16 dst_port,
+		       const u16 src_port, thread_func_t func_ptr)
+{
+	struct in_addr ip;
+
+	memcpy(ifobj->dst_mac, dst_mac, ETH_ALEN);
+	memcpy(ifobj->src_mac, src_mac, ETH_ALEN);
+
+	inet_aton(dst_ip, &ip);
+	ifobj->dst_ip = ip.s_addr;
+
+	inet_aton(src_ip, &ip);
+	ifobj->src_ip = ip.s_addr;
+
+	ifobj->dst_port = dst_port;
+	ifobj->src_port = src_port;
+
+	ifobj->func_ptr = func_ptr;
+}
+
+static void run_pkt_test(struct test_spec *test, enum test_mode mode, enum test_type type)
+{
+	switch (type) {
+	case TEST_TYPE_STATS_RX_DROPPED:
+		if (mode == TEST_MODE_ZC) {
+			ksft_test_result_skip("Can not run RX_DROPPED test for ZC mode\n");
+			return;
+		}
+		testapp_stats_rx_dropped(test);
+		break;
+	case TEST_TYPE_STATS_TX_INVALID_DESCS:
+		testapp_stats_tx_invalid_descs(test);
+		break;
+	case TEST_TYPE_STATS_RX_FULL:
+		testapp_stats_rx_full(test);
+		break;
+	case TEST_TYPE_STATS_FILL_EMPTY:
+		testapp_stats_fill_empty(test);
+		break;
+	case TEST_TYPE_TEARDOWN:
+		testapp_teardown(test);
+		break;
+	case TEST_TYPE_BIDI:
+		testapp_bidi(test);
+		break;
+	case TEST_TYPE_BPF_RES:
+		testapp_bpf_res(test);
+		break;
+	case TEST_TYPE_RUN_TO_COMPLETION:
+		test_spec_set_name(test, "RUN_TO_COMPLETION");
+		testapp_validate_traffic(test);
+		break;
+	case TEST_TYPE_RUN_TO_COMPLETION_SINGLE_PKT:
+		test_spec_set_name(test, "RUN_TO_COMPLETION_SINGLE_PKT");
+		testapp_single_pkt(test);
+		break;
+	case TEST_TYPE_RUN_TO_COMPLETION_2K_FRAME:
+		test_spec_set_name(test, "RUN_TO_COMPLETION_2K_FRAME_SIZE");
+		test->ifobj_tx->umem->frame_size = 2048;
+		test->ifobj_rx->umem->frame_size = 2048;
+		pkt_stream_replace(test, DEFAULT_PKT_CNT, PKT_SIZE);
+		testapp_validate_traffic(test);
+
+		pkt_stream_restore_default(test);
+		break;
+	case TEST_TYPE_RX_POLL:
+		test->ifobj_rx->use_poll = true;
+		test_spec_set_name(test, "POLL_RX");
+		testapp_validate_traffic(test);
+		break;
+	case TEST_TYPE_TX_POLL:
+		test->ifobj_tx->use_poll = true;
+		test_spec_set_name(test, "POLL_TX");
+		testapp_validate_traffic(test);
+		break;
+	case TEST_TYPE_POLL_TXQ_TMOUT:
+		test_spec_set_name(test, "POLL_TXQ_FULL");
+		test->ifobj_tx->use_poll = true;
+		/* create invalid frame by set umem frame_size and pkt length equal to 2048 */
+		test->ifobj_tx->umem->frame_size = 2048;
+		pkt_stream_replace(test, 2 * DEFAULT_PKT_CNT, 2048);
+		testapp_validate_traffic_single_thread(test, test->ifobj_tx, type);
+		pkt_stream_restore_default(test);
+		break;
+	case TEST_TYPE_POLL_RXQ_TMOUT:
+		test_spec_set_name(test, "POLL_RXQ_EMPTY");
+		test->ifobj_rx->use_poll = true;
+		testapp_validate_traffic_single_thread(test, test->ifobj_rx, type);
+		break;
+	case TEST_TYPE_ALIGNED_INV_DESC:
+		test_spec_set_name(test, "ALIGNED_INV_DESC");
+		testapp_invalid_desc(test);
+		break;
+	case TEST_TYPE_ALIGNED_INV_DESC_2K_FRAME:
+		test_spec_set_name(test, "ALIGNED_INV_DESC_2K_FRAME_SIZE");
+		test->ifobj_tx->umem->frame_size = 2048;
+		test->ifobj_rx->umem->frame_size = 2048;
+		testapp_invalid_desc(test);
+		break;
+	case TEST_TYPE_UNALIGNED_INV_DESC:
+		if (!hugepages_present(test->ifobj_tx)) {
+			ksft_test_result_skip("No 2M huge pages present.\n");
+			return;
+		}
+		test_spec_set_name(test, "UNALIGNED_INV_DESC");
+		test->ifobj_tx->umem->unaligned_mode = true;
+		test->ifobj_rx->umem->unaligned_mode = true;
+		testapp_invalid_desc(test);
+		break;
+	case TEST_TYPE_UNALIGNED:
+		if (!testapp_unaligned(test))
+			return;
+		break;
+	case TEST_TYPE_HEADROOM:
+		testapp_headroom(test);
+		break;
+	default:
+		break;
+	}
+
+	if (!test->fail)
+		ksft_test_result_pass("PASS: %s %s%s\n", mode_string(test), busy_poll_string(test),
+				      test->name);
+}
+
+static struct ifobject *ifobject_create(void)
+{
+	struct ifobject *ifobj;
+
+	ifobj = calloc(1, sizeof(struct ifobject));
+	if (!ifobj)
+		return NULL;
+
+	ifobj->xsk_arr = calloc(MAX_SOCKETS, sizeof(*ifobj->xsk_arr));
+	if (!ifobj->xsk_arr)
+		goto out_xsk_arr;
+
+	ifobj->umem = calloc(1, sizeof(*ifobj->umem));
+	if (!ifobj->umem)
+		goto out_umem;
+
+	ifobj->ns_fd = -1;
+
+	return ifobj;
+
+out_umem:
+	free(ifobj->xsk_arr);
+out_xsk_arr:
+	free(ifobj);
+	return NULL;
+}
+
+static void ifobject_delete(struct ifobject *ifobj)
+{
+	if (ifobj->ns_fd != -1)
+		close(ifobj->ns_fd);
+	free(ifobj->umem);
+	free(ifobj->xsk_arr);
+	free(ifobj);
+}
+
+static bool is_xdp_supported(struct ifobject *ifobject)
+{
+	int flags = XDP_FLAGS_DRV_MODE;
+
+	LIBBPF_OPTS(bpf_link_create_opts, opts, .flags = flags);
+	struct bpf_insn insns[2] = {
+		BPF_MOV64_IMM(BPF_REG_0, XDP_PASS),
+		BPF_EXIT_INSN()
+	};
+	int ifindex = if_nametoindex(ifobject->ifname);
+	int prog_fd, insn_cnt = ARRAY_SIZE(insns);
+	int err;
+
+	prog_fd = bpf_prog_load(BPF_PROG_TYPE_XDP, NULL, "GPL", insns, insn_cnt, NULL);
+	if (prog_fd < 0)
+		return false;
+
+	err = bpf_xdp_attach(ifindex, prog_fd, flags, NULL);
+	if (err) {
+		close(prog_fd);
+		return false;
+	}
+
+	bpf_xdp_detach(ifindex, flags, NULL);
+	close(prog_fd);
+
+	return true;
+}
+
+int main(int argc, char **argv)
+{
+	struct pkt_stream *rx_pkt_stream_default;
+	struct pkt_stream *tx_pkt_stream_default;
+	struct ifobject *ifobj_tx, *ifobj_rx;
+	int modes = TEST_MODE_SKB + 1;
+	u32 i, j, failed_tests = 0;
+	struct test_spec test;
+	bool shared_umem;
+
+	/* Use libbpf 1.0 API mode */
+	libbpf_set_strict_mode(LIBBPF_STRICT_ALL);
+
+	ifobj_tx = ifobject_create();
+	if (!ifobj_tx)
+		exit_with_error(ENOMEM);
+	ifobj_rx = ifobject_create();
+	if (!ifobj_rx)
+		exit_with_error(ENOMEM);
+
+	setlocale(LC_ALL, "");
+
+	parse_command_line(ifobj_tx, ifobj_rx, argc, argv);
+	shared_umem = !strcmp(ifobj_tx->ifname, ifobj_rx->ifname);
+
+	ifobj_tx->shared_umem = shared_umem;
+	ifobj_rx->shared_umem = shared_umem;
+
+	if (!validate_interface(ifobj_tx) || !validate_interface(ifobj_rx)) {
+		usage(basename(argv[0]));
+		ksft_exit_xfail();
+	}
+
+	init_iface(ifobj_tx, MAC1, MAC2, IP1, IP2, UDP_PORT1, UDP_PORT2,
+		   worker_testapp_validate_tx);
+	init_iface(ifobj_rx, MAC2, MAC1, IP2, IP1, UDP_PORT2, UDP_PORT1,
+		   worker_testapp_validate_rx);
+
+	if (is_xdp_supported(ifobj_tx)) {
+		modes++;
+		if (ifobj_zc_avail(ifobj_tx))
+			modes++;
+	}
+
+	test_spec_init(&test, ifobj_tx, ifobj_rx, 0);
+	tx_pkt_stream_default = pkt_stream_generate(ifobj_tx->umem, DEFAULT_PKT_CNT, PKT_SIZE);
+	rx_pkt_stream_default = pkt_stream_generate(ifobj_rx->umem, DEFAULT_PKT_CNT, PKT_SIZE);
+	if (!tx_pkt_stream_default || !rx_pkt_stream_default)
+		exit_with_error(ENOMEM);
+	test.tx_pkt_stream_default = tx_pkt_stream_default;
+	test.rx_pkt_stream_default = rx_pkt_stream_default;
+
+	ksft_set_plan(modes * TEST_TYPE_MAX);
+
+	for (i = 0; i < modes; i++)
+		for (j = 0; j < TEST_TYPE_MAX; j++) {
+			test_spec_init(&test, ifobj_tx, ifobj_rx, i);
+			run_pkt_test(&test, i, j);
+			usleep(USLEEP_MAX);
+
+			if (test.fail)
+				failed_tests++;
+		}
+
+	pkt_stream_delete(tx_pkt_stream_default);
+	pkt_stream_delete(rx_pkt_stream_default);
+	ifobject_delete(ifobj_tx);
+	ifobject_delete(ifobj_rx);
+
+	if (failed_tests)
+		ksft_exit_fail();
+	else
+		ksft_exit_pass();
+}
diff --git a/tools/testing/selftests/bpf/xskxceiver.h b/tools/testing/selftests/bpf/xskxceiver.h
new file mode 100644
index 000000000..292fc943b
--- /dev/null
+++ b/tools/testing/selftests/bpf/xskxceiver.h
@@ -0,0 +1,180 @@
+/* SPDX-License-Identifier: GPL-2.0
+ * Copyright(c) 2020 Intel Corporation.
+ */
+
+#ifndef XSKXCEIVER_H_
+#define XSKXCEIVER_H_
+
+#ifndef SOL_XDP
+#define SOL_XDP 283
+#endif
+
+#ifndef AF_XDP
+#define AF_XDP 44
+#endif
+
+#ifndef PF_XDP
+#define PF_XDP AF_XDP
+#endif
+
+#ifndef SO_BUSY_POLL_BUDGET
+#define SO_BUSY_POLL_BUDGET 70
+#endif
+
+#ifndef SO_PREFER_BUSY_POLL
+#define SO_PREFER_BUSY_POLL 69
+#endif
+
+#define TEST_PASS 0
+#define TEST_FAILURE -1
+#define TEST_CONTINUE 1
+#define MAX_INTERFACES 2
+#define MAX_INTERFACE_NAME_CHARS 16
+#define MAX_INTERFACES_NAMESPACE_CHARS 16
+#define MAX_SOCKETS 2
+#define MAX_TEST_NAME_SIZE 32
+#define MAX_TEARDOWN_ITER 10
+#define PKT_HDR_SIZE (sizeof(struct ethhdr) + sizeof(struct iphdr) + \
+			sizeof(struct udphdr))
+#define MIN_ETH_PKT_SIZE 64
+#define ETH_FCS_SIZE 4
+#define MIN_PKT_SIZE (MIN_ETH_PKT_SIZE - ETH_FCS_SIZE)
+#define PKT_SIZE (MIN_PKT_SIZE)
+#define IP_PKT_SIZE (PKT_SIZE - sizeof(struct ethhdr))
+#define IP_PKT_VER 0x4
+#define IP_PKT_TOS 0x9
+#define UDP_PKT_SIZE (IP_PKT_SIZE - sizeof(struct iphdr))
+#define UDP_PKT_DATA_SIZE (UDP_PKT_SIZE - sizeof(struct udphdr))
+#define USLEEP_MAX 10000
+#define SOCK_RECONF_CTR 10
+#define BATCH_SIZE 64
+#define POLL_TMOUT 1000
+#define THREAD_TMOUT 3
+#define DEFAULT_PKT_CNT (4 * 1024)
+#define DEFAULT_UMEM_BUFFERS (DEFAULT_PKT_CNT / 4)
+#define RX_FULL_RXQSIZE 32
+#define UMEM_HEADROOM_TEST_SIZE 128
+#define XSK_UMEM__INVALID_FRAME_SIZE (XSK_UMEM__DEFAULT_FRAME_SIZE + 1)
+
+#define print_verbose(x...) do { if (opt_verbose) ksft_print_msg(x); } while (0)
+
+enum test_mode {
+	TEST_MODE_SKB,
+	TEST_MODE_DRV,
+	TEST_MODE_ZC,
+	TEST_MODE_MAX
+};
+
+enum test_type {
+	TEST_TYPE_RUN_TO_COMPLETION,
+	TEST_TYPE_RUN_TO_COMPLETION_2K_FRAME,
+	TEST_TYPE_RUN_TO_COMPLETION_SINGLE_PKT,
+	TEST_TYPE_RX_POLL,
+	TEST_TYPE_TX_POLL,
+	TEST_TYPE_POLL_RXQ_TMOUT,
+	TEST_TYPE_POLL_TXQ_TMOUT,
+	TEST_TYPE_UNALIGNED,
+	TEST_TYPE_ALIGNED_INV_DESC,
+	TEST_TYPE_ALIGNED_INV_DESC_2K_FRAME,
+	TEST_TYPE_UNALIGNED_INV_DESC,
+	TEST_TYPE_HEADROOM,
+	TEST_TYPE_TEARDOWN,
+	TEST_TYPE_BIDI,
+	TEST_TYPE_STATS_RX_DROPPED,
+	TEST_TYPE_STATS_TX_INVALID_DESCS,
+	TEST_TYPE_STATS_RX_FULL,
+	TEST_TYPE_STATS_FILL_EMPTY,
+	TEST_TYPE_BPF_RES,
+	TEST_TYPE_MAX
+};
+
+static bool opt_pkt_dump;
+static bool opt_verbose;
+
+struct xsk_umem_info {
+	struct xsk_ring_prod fq;
+	struct xsk_ring_cons cq;
+	struct xsk_umem *umem;
+	u32 num_frames;
+	u32 frame_headroom;
+	void *buffer;
+	u32 frame_size;
+	u32 base_addr;
+	bool unaligned_mode;
+};
+
+struct xsk_socket_info {
+	struct xsk_ring_cons rx;
+	struct xsk_ring_prod tx;
+	struct xsk_umem_info *umem;
+	struct xsk_socket *xsk;
+	u32 outstanding_tx;
+	u32 rxqsize;
+};
+
+struct pkt {
+	u64 addr;
+	u32 len;
+	u32 payload;
+	bool valid;
+};
+
+struct pkt_stream {
+	u32 nb_pkts;
+	u32 rx_pkt_nb;
+	struct pkt *pkts;
+	bool use_addr_for_fill;
+};
+
+struct ifobject;
+typedef int (*validation_func_t)(struct ifobject *ifobj);
+typedef void *(*thread_func_t)(void *arg);
+
+struct ifobject {
+	char ifname[MAX_INTERFACE_NAME_CHARS];
+	char nsname[MAX_INTERFACES_NAMESPACE_CHARS];
+	struct xsk_socket_info *xsk;
+	struct xsk_socket_info *xsk_arr;
+	struct xsk_umem_info *umem;
+	thread_func_t func_ptr;
+	validation_func_t validation_func;
+	struct pkt_stream *pkt_stream;
+	int ns_fd;
+	int xsk_map_fd;
+	u32 dst_ip;
+	u32 src_ip;
+	u32 xdp_flags;
+	u32 bind_flags;
+	u16 src_port;
+	u16 dst_port;
+	bool tx_on;
+	bool rx_on;
+	bool use_poll;
+	bool busy_poll;
+	bool use_fill_ring;
+	bool release_rx;
+	bool shared_umem;
+	u8 dst_mac[ETH_ALEN];
+	u8 src_mac[ETH_ALEN];
+};
+
+struct test_spec {
+	struct ifobject *ifobj_tx;
+	struct ifobject *ifobj_rx;
+	struct pkt_stream *tx_pkt_stream_default;
+	struct pkt_stream *rx_pkt_stream_default;
+	u16 total_steps;
+	u16 current_step;
+	u16 nb_sockets;
+	bool fail;
+	enum test_mode mode;
+	char name[MAX_TEST_NAME_SIZE];
+};
+
+pthread_barrier_t barr;
+pthread_mutex_t pacing_mutex = PTHREAD_MUTEX_INITIALIZER;
+pthread_cond_t pacing_cond = PTHREAD_COND_INITIALIZER;
+
+int pkts_in_flight;
+
+#endif				/* XSKXCEIVER_H_ */
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