diff options
Diffstat (limited to 'tools/testing/selftests/bpf/prog_tests/verifier.c')
-rw-r--r-- | tools/testing/selftests/bpf/prog_tests/verifier.c | 234 |
1 files changed, 234 insertions, 0 deletions
diff --git a/tools/testing/selftests/bpf/prog_tests/verifier.c b/tools/testing/selftests/bpf/prog_tests/verifier.c new file mode 100644 index 0000000000..e51d11c36a --- /dev/null +++ b/tools/testing/selftests/bpf/prog_tests/verifier.c @@ -0,0 +1,234 @@ +// SPDX-License-Identifier: GPL-2.0-only + +#include <test_progs.h> + +#include "cap_helpers.h" +#include "verifier_and.skel.h" +#include "verifier_array_access.skel.h" +#include "verifier_basic_stack.skel.h" +#include "verifier_bounds.skel.h" +#include "verifier_bounds_deduction.skel.h" +#include "verifier_bounds_deduction_non_const.skel.h" +#include "verifier_bounds_mix_sign_unsign.skel.h" +#include "verifier_bpf_get_stack.skel.h" +#include "verifier_bswap.skel.h" +#include "verifier_btf_ctx_access.skel.h" +#include "verifier_cfg.skel.h" +#include "verifier_cgroup_inv_retcode.skel.h" +#include "verifier_cgroup_skb.skel.h" +#include "verifier_cgroup_storage.skel.h" +#include "verifier_const_or.skel.h" +#include "verifier_ctx.skel.h" +#include "verifier_ctx_sk_msg.skel.h" +#include "verifier_d_path.skel.h" +#include "verifier_direct_packet_access.skel.h" +#include "verifier_direct_stack_access_wraparound.skel.h" +#include "verifier_div0.skel.h" +#include "verifier_div_overflow.skel.h" +#include "verifier_gotol.skel.h" +#include "verifier_helper_access_var_len.skel.h" +#include "verifier_helper_packet_access.skel.h" +#include "verifier_helper_restricted.skel.h" +#include "verifier_helper_value_access.skel.h" +#include "verifier_int_ptr.skel.h" +#include "verifier_iterating_callbacks.skel.h" +#include "verifier_jeq_infer_not_null.skel.h" +#include "verifier_ld_ind.skel.h" +#include "verifier_ldsx.skel.h" +#include "verifier_leak_ptr.skel.h" +#include "verifier_loops1.skel.h" +#include "verifier_lwt.skel.h" +#include "verifier_map_in_map.skel.h" +#include "verifier_map_ptr.skel.h" +#include "verifier_map_ptr_mixing.skel.h" +#include "verifier_map_ret_val.skel.h" +#include "verifier_masking.skel.h" +#include "verifier_meta_access.skel.h" +#include "verifier_movsx.skel.h" +#include "verifier_netfilter_ctx.skel.h" +#include "verifier_netfilter_retcode.skel.h" +#include "verifier_prevent_map_lookup.skel.h" +#include "verifier_raw_stack.skel.h" +#include "verifier_raw_tp_writable.skel.h" +#include "verifier_reg_equal.skel.h" +#include "verifier_ref_tracking.skel.h" +#include "verifier_regalloc.skel.h" +#include "verifier_ringbuf.skel.h" +#include "verifier_runtime_jit.skel.h" +#include "verifier_scalar_ids.skel.h" +#include "verifier_sdiv.skel.h" +#include "verifier_search_pruning.skel.h" +#include "verifier_sock.skel.h" +#include "verifier_spill_fill.skel.h" +#include "verifier_spin_lock.skel.h" +#include "verifier_stack_ptr.skel.h" +#include "verifier_subprog_precision.skel.h" +#include "verifier_subreg.skel.h" +#include "verifier_typedef.skel.h" +#include "verifier_uninit.skel.h" +#include "verifier_unpriv.skel.h" +#include "verifier_unpriv_perf.skel.h" +#include "verifier_value_adj_spill.skel.h" +#include "verifier_value.skel.h" +#include "verifier_value_illegal_alu.skel.h" +#include "verifier_value_or_null.skel.h" +#include "verifier_value_ptr_arith.skel.h" +#include "verifier_var_off.skel.h" +#include "verifier_xadd.skel.h" +#include "verifier_xdp.skel.h" +#include "verifier_xdp_direct_packet_access.skel.h" + +#define MAX_ENTRIES 11 + +struct test_val { + unsigned int index; + int foo[MAX_ENTRIES]; +}; + +__maybe_unused +static void run_tests_aux(const char *skel_name, + skel_elf_bytes_fn elf_bytes_factory, + pre_execution_cb pre_execution_cb) +{ + struct test_loader tester = {}; + __u64 old_caps; + int err; + + /* test_verifier tests are executed w/o CAP_SYS_ADMIN, do the same here */ + err = cap_disable_effective(1ULL << CAP_SYS_ADMIN, &old_caps); + if (err) { + PRINT_FAIL("failed to drop CAP_SYS_ADMIN: %i, %s\n", err, strerror(err)); + return; + } + + test_loader__set_pre_execution_cb(&tester, pre_execution_cb); + test_loader__run_subtests(&tester, skel_name, elf_bytes_factory); + test_loader_fini(&tester); + + err = cap_enable_effective(old_caps, NULL); + if (err) + PRINT_FAIL("failed to restore CAP_SYS_ADMIN: %i, %s\n", err, strerror(err)); +} + +#define RUN(skel) run_tests_aux(#skel, skel##__elf_bytes, NULL) + +void test_verifier_and(void) { RUN(verifier_and); } +void test_verifier_basic_stack(void) { RUN(verifier_basic_stack); } +void test_verifier_bounds(void) { RUN(verifier_bounds); } +void test_verifier_bounds_deduction(void) { RUN(verifier_bounds_deduction); } +void test_verifier_bounds_deduction_non_const(void) { RUN(verifier_bounds_deduction_non_const); } +void test_verifier_bounds_mix_sign_unsign(void) { RUN(verifier_bounds_mix_sign_unsign); } +void test_verifier_bpf_get_stack(void) { RUN(verifier_bpf_get_stack); } +void test_verifier_bswap(void) { RUN(verifier_bswap); } +void test_verifier_btf_ctx_access(void) { RUN(verifier_btf_ctx_access); } +void test_verifier_cfg(void) { RUN(verifier_cfg); } +void test_verifier_cgroup_inv_retcode(void) { RUN(verifier_cgroup_inv_retcode); } +void test_verifier_cgroup_skb(void) { RUN(verifier_cgroup_skb); } +void test_verifier_cgroup_storage(void) { RUN(verifier_cgroup_storage); } +void test_verifier_const_or(void) { RUN(verifier_const_or); } +void test_verifier_ctx(void) { RUN(verifier_ctx); } +void test_verifier_ctx_sk_msg(void) { RUN(verifier_ctx_sk_msg); } +void test_verifier_d_path(void) { RUN(verifier_d_path); } +void test_verifier_direct_packet_access(void) { RUN(verifier_direct_packet_access); } +void test_verifier_direct_stack_access_wraparound(void) { RUN(verifier_direct_stack_access_wraparound); } +void test_verifier_div0(void) { RUN(verifier_div0); } +void test_verifier_div_overflow(void) { RUN(verifier_div_overflow); } +void test_verifier_gotol(void) { RUN(verifier_gotol); } +void test_verifier_helper_access_var_len(void) { RUN(verifier_helper_access_var_len); } +void test_verifier_helper_packet_access(void) { RUN(verifier_helper_packet_access); } +void test_verifier_helper_restricted(void) { RUN(verifier_helper_restricted); } +void test_verifier_helper_value_access(void) { RUN(verifier_helper_value_access); } +void test_verifier_int_ptr(void) { RUN(verifier_int_ptr); } +void test_verifier_iterating_callbacks(void) { RUN(verifier_iterating_callbacks); } +void test_verifier_jeq_infer_not_null(void) { RUN(verifier_jeq_infer_not_null); } +void test_verifier_ld_ind(void) { RUN(verifier_ld_ind); } +void test_verifier_ldsx(void) { RUN(verifier_ldsx); } +void test_verifier_leak_ptr(void) { RUN(verifier_leak_ptr); } +void test_verifier_loops1(void) { RUN(verifier_loops1); } +void test_verifier_lwt(void) { RUN(verifier_lwt); } +void test_verifier_map_in_map(void) { RUN(verifier_map_in_map); } +void test_verifier_map_ptr(void) { RUN(verifier_map_ptr); } +void test_verifier_map_ptr_mixing(void) { RUN(verifier_map_ptr_mixing); } +void test_verifier_map_ret_val(void) { RUN(verifier_map_ret_val); } +void test_verifier_masking(void) { RUN(verifier_masking); } +void test_verifier_meta_access(void) { RUN(verifier_meta_access); } +void test_verifier_movsx(void) { RUN(verifier_movsx); } +void test_verifier_netfilter_ctx(void) { RUN(verifier_netfilter_ctx); } +void test_verifier_netfilter_retcode(void) { RUN(verifier_netfilter_retcode); } +void test_verifier_prevent_map_lookup(void) { RUN(verifier_prevent_map_lookup); } +void test_verifier_raw_stack(void) { RUN(verifier_raw_stack); } +void test_verifier_raw_tp_writable(void) { RUN(verifier_raw_tp_writable); } +void test_verifier_reg_equal(void) { RUN(verifier_reg_equal); } +void test_verifier_ref_tracking(void) { RUN(verifier_ref_tracking); } +void test_verifier_regalloc(void) { RUN(verifier_regalloc); } +void test_verifier_ringbuf(void) { RUN(verifier_ringbuf); } +void test_verifier_runtime_jit(void) { RUN(verifier_runtime_jit); } +void test_verifier_scalar_ids(void) { RUN(verifier_scalar_ids); } +void test_verifier_sdiv(void) { RUN(verifier_sdiv); } +void test_verifier_search_pruning(void) { RUN(verifier_search_pruning); } +void test_verifier_sock(void) { RUN(verifier_sock); } +void test_verifier_spill_fill(void) { RUN(verifier_spill_fill); } +void test_verifier_spin_lock(void) { RUN(verifier_spin_lock); } +void test_verifier_stack_ptr(void) { RUN(verifier_stack_ptr); } +void test_verifier_subprog_precision(void) { RUN(verifier_subprog_precision); } +void test_verifier_subreg(void) { RUN(verifier_subreg); } +void test_verifier_typedef(void) { RUN(verifier_typedef); } +void test_verifier_uninit(void) { RUN(verifier_uninit); } +void test_verifier_unpriv(void) { RUN(verifier_unpriv); } +void test_verifier_unpriv_perf(void) { RUN(verifier_unpriv_perf); } +void test_verifier_value_adj_spill(void) { RUN(verifier_value_adj_spill); } +void test_verifier_value(void) { RUN(verifier_value); } +void test_verifier_value_illegal_alu(void) { RUN(verifier_value_illegal_alu); } +void test_verifier_value_or_null(void) { RUN(verifier_value_or_null); } +void test_verifier_var_off(void) { RUN(verifier_var_off); } +void test_verifier_xadd(void) { RUN(verifier_xadd); } +void test_verifier_xdp(void) { RUN(verifier_xdp); } +void test_verifier_xdp_direct_packet_access(void) { RUN(verifier_xdp_direct_packet_access); } + +static int init_test_val_map(struct bpf_object *obj, char *map_name) +{ + struct test_val value = { + .index = (6 + 1) * sizeof(int), + .foo[6] = 0xabcdef12, + }; + struct bpf_map *map; + int err, key = 0; + + map = bpf_object__find_map_by_name(obj, map_name); + if (!map) { + PRINT_FAIL("Can't find map '%s'\n", map_name); + return -EINVAL; + } + + err = bpf_map_update_elem(bpf_map__fd(map), &key, &value, 0); + if (err) { + PRINT_FAIL("Error while updating map '%s': %d\n", map_name, err); + return err; + } + + return 0; +} + +static int init_array_access_maps(struct bpf_object *obj) +{ + return init_test_val_map(obj, "map_array_ro"); +} + +void test_verifier_array_access(void) +{ + run_tests_aux("verifier_array_access", + verifier_array_access__elf_bytes, + init_array_access_maps); +} + +static int init_value_ptr_arith_maps(struct bpf_object *obj) +{ + return init_test_val_map(obj, "map_array_48b"); +} + +void test_verifier_value_ptr_arith(void) +{ + run_tests_aux("verifier_value_ptr_arith", + verifier_value_ptr_arith__elf_bytes, + init_value_ptr_arith_maps); +} |