summaryrefslogtreecommitdiffstats
path: root/tools
diff options
context:
space:
mode:
Diffstat (limited to 'tools')
-rw-r--r--tools/arch/x86/lib/x86-opcode-map.txt10
-rw-r--r--tools/bpf/bpftool/common.c96
-rw-r--r--tools/bpf/bpftool/iter.c2
-rw-r--r--tools/bpf/bpftool/main.h3
-rw-r--r--tools/bpf/bpftool/prog.c5
-rw-r--r--tools/bpf/bpftool/skeleton/pid_iter.bpf.c4
-rw-r--r--tools/bpf/bpftool/struct_ops.c2
-rw-r--r--tools/include/nolibc/stdlib.h2
-rw-r--r--tools/include/uapi/linux/bpf.h2
-rw-r--r--tools/lib/bpf/libbpf.c9
-rw-r--r--tools/testing/selftests/bpf/cgroup_helpers.c3
-rw-r--r--tools/testing/selftests/bpf/network_helpers.c2
-rw-r--r--tools/testing/selftests/bpf/prog_tests/cgroup1_hierarchy.c7
-rw-r--r--tools/testing/selftests/bpf/prog_tests/xdp_do_redirect.c4
-rw-r--r--tools/testing/selftests/bpf/progs/bench_local_storage_create.c5
-rw-r--r--tools/testing/selftests/bpf/progs/local_storage.c20
-rw-r--r--tools/testing/selftests/bpf/progs/lsm_cgroup.c8
-rw-r--r--tools/testing/selftests/bpf/test_sockmap.c2
-rw-r--r--tools/testing/selftests/cgroup/cgroup_util.c8
-rw-r--r--tools/testing/selftests/cgroup/cgroup_util.h2
-rw-r--r--tools/testing/selftests/cgroup/test_core.c7
-rw-r--r--tools/testing/selftests/cgroup/test_cpu.c2
-rw-r--r--tools/testing/selftests/cgroup/test_cpuset.c2
-rw-r--r--tools/testing/selftests/cgroup/test_freezer.c2
-rw-r--r--tools/testing/selftests/cgroup/test_hugetlb_memcg.c2
-rw-r--r--tools/testing/selftests/cgroup/test_kill.c2
-rw-r--r--tools/testing/selftests/cgroup/test_kmem.c2
-rw-r--r--tools/testing/selftests/cgroup/test_memcontrol.c2
-rw-r--r--tools/testing/selftests/cgroup/test_zswap.c2
-rw-r--r--tools/testing/selftests/damon/_damon_sysfs.py2
-rw-r--r--tools/testing/selftests/filesystems/binderfs/Makefile2
-rw-r--r--tools/testing/selftests/ftrace/test.d/dynevent/add_remove_btfarg.tc2
-rw-r--r--tools/testing/selftests/kcmp/kcmp_test.c2
-rw-r--r--tools/testing/selftests/kvm/aarch64/vgic_init.c49
-rw-r--r--tools/testing/selftests/lib.mk12
-rwxr-xr-xtools/testing/selftests/net/amt.sh12
-rw-r--r--tools/testing/selftests/net/config1
-rwxr-xr-xtools/testing/selftests/net/forwarding/bridge_igmp.sh6
-rwxr-xr-xtools/testing/selftests/net/forwarding/bridge_mld.sh6
-rw-r--r--tools/testing/selftests/net/lib.sh6
-rw-r--r--tools/testing/selftests/resctrl/Makefile4
-rw-r--r--tools/testing/selftests/syscall_user_dispatch/sud_test.c14
-rw-r--r--tools/tracing/latency/latency-collector.c8
43 files changed, 260 insertions, 85 deletions
diff --git a/tools/arch/x86/lib/x86-opcode-map.txt b/tools/arch/x86/lib/x86-opcode-map.txt
index 5168ee0360..d1ccd06c53 100644
--- a/tools/arch/x86/lib/x86-opcode-map.txt
+++ b/tools/arch/x86/lib/x86-opcode-map.txt
@@ -148,7 +148,7 @@ AVXcode:
65: SEG=GS (Prefix)
66: Operand-Size (Prefix)
67: Address-Size (Prefix)
-68: PUSH Iz (d64)
+68: PUSH Iz
69: IMUL Gv,Ev,Iz
6a: PUSH Ib (d64)
6b: IMUL Gv,Ev,Ib
@@ -698,10 +698,10 @@ AVXcode: 2
4d: vrcp14ss/d Vsd,Hpd,Wsd (66),(ev)
4e: vrsqrt14ps/d Vpd,Wpd (66),(ev)
4f: vrsqrt14ss/d Vsd,Hsd,Wsd (66),(ev)
-50: vpdpbusd Vx,Hx,Wx (66),(ev)
-51: vpdpbusds Vx,Hx,Wx (66),(ev)
-52: vdpbf16ps Vx,Hx,Wx (F3),(ev) | vpdpwssd Vx,Hx,Wx (66),(ev) | vp4dpwssd Vdqq,Hdqq,Wdq (F2),(ev)
-53: vpdpwssds Vx,Hx,Wx (66),(ev) | vp4dpwssds Vdqq,Hdqq,Wdq (F2),(ev)
+50: vpdpbusd Vx,Hx,Wx (66)
+51: vpdpbusds Vx,Hx,Wx (66)
+52: vdpbf16ps Vx,Hx,Wx (F3),(ev) | vpdpwssd Vx,Hx,Wx (66) | vp4dpwssd Vdqq,Hdqq,Wdq (F2),(ev)
+53: vpdpwssds Vx,Hx,Wx (66) | vp4dpwssds Vdqq,Hdqq,Wdq (F2),(ev)
54: vpopcntb/w Vx,Wx (66),(ev)
55: vpopcntd/q Vx,Wx (66),(ev)
58: vpbroadcastd Vx,Wx (66),(v)
diff --git a/tools/bpf/bpftool/common.c b/tools/bpf/bpftool/common.c
index cc6e6aae24..958e92acca 100644
--- a/tools/bpf/bpftool/common.c
+++ b/tools/bpf/bpftool/common.c
@@ -244,29 +244,101 @@ int open_obj_pinned_any(const char *path, enum bpf_obj_type exp_type)
return fd;
}
-int mount_bpffs_for_pin(const char *name, bool is_dir)
+int create_and_mount_bpffs_dir(const char *dir_name)
{
char err_str[ERR_MAX_LEN];
- char *file;
- char *dir;
+ bool dir_exists;
int err = 0;
- if (is_dir && is_bpffs(name))
+ if (is_bpffs(dir_name))
return err;
- file = malloc(strlen(name) + 1);
- if (!file) {
+ dir_exists = access(dir_name, F_OK) == 0;
+
+ if (!dir_exists) {
+ char *temp_name;
+ char *parent_name;
+
+ temp_name = strdup(dir_name);
+ if (!temp_name) {
+ p_err("mem alloc failed");
+ return -1;
+ }
+
+ parent_name = dirname(temp_name);
+
+ if (is_bpffs(parent_name)) {
+ /* nothing to do if already mounted */
+ free(temp_name);
+ return err;
+ }
+
+ if (access(parent_name, F_OK) == -1) {
+ p_err("can't create dir '%s' to pin BPF object: parent dir '%s' doesn't exist",
+ dir_name, parent_name);
+ free(temp_name);
+ return -1;
+ }
+
+ free(temp_name);
+ }
+
+ if (block_mount) {
+ p_err("no BPF file system found, not mounting it due to --nomount option");
+ return -1;
+ }
+
+ if (!dir_exists) {
+ err = mkdir(dir_name, S_IRWXU);
+ if (err) {
+ p_err("failed to create dir '%s': %s", dir_name, strerror(errno));
+ return err;
+ }
+ }
+
+ err = mnt_fs(dir_name, "bpf", err_str, ERR_MAX_LEN);
+ if (err) {
+ err_str[ERR_MAX_LEN - 1] = '\0';
+ p_err("can't mount BPF file system on given dir '%s': %s",
+ dir_name, err_str);
+
+ if (!dir_exists)
+ rmdir(dir_name);
+ }
+
+ return err;
+}
+
+int mount_bpffs_for_file(const char *file_name)
+{
+ char err_str[ERR_MAX_LEN];
+ char *temp_name;
+ char *dir;
+ int err = 0;
+
+ if (access(file_name, F_OK) != -1) {
+ p_err("can't pin BPF object: path '%s' already exists", file_name);
+ return -1;
+ }
+
+ temp_name = strdup(file_name);
+ if (!temp_name) {
p_err("mem alloc failed");
return -1;
}
- strcpy(file, name);
- dir = dirname(file);
+ dir = dirname(temp_name);
if (is_bpffs(dir))
/* nothing to do if already mounted */
goto out_free;
+ if (access(dir, F_OK) == -1) {
+ p_err("can't pin BPF object: dir '%s' doesn't exist", dir);
+ err = -1;
+ goto out_free;
+ }
+
if (block_mount) {
p_err("no BPF file system found, not mounting it due to --nomount option");
err = -1;
@@ -276,12 +348,12 @@ int mount_bpffs_for_pin(const char *name, bool is_dir)
err = mnt_fs(dir, "bpf", err_str, ERR_MAX_LEN);
if (err) {
err_str[ERR_MAX_LEN - 1] = '\0';
- p_err("can't mount BPF file system to pin the object (%s): %s",
- name, err_str);
+ p_err("can't mount BPF file system to pin the object '%s': %s",
+ file_name, err_str);
}
out_free:
- free(file);
+ free(temp_name);
return err;
}
@@ -289,7 +361,7 @@ int do_pin_fd(int fd, const char *name)
{
int err;
- err = mount_bpffs_for_pin(name, false);
+ err = mount_bpffs_for_file(name);
if (err)
return err;
diff --git a/tools/bpf/bpftool/iter.c b/tools/bpf/bpftool/iter.c
index 6b0e5202ca..5c39c2ed36 100644
--- a/tools/bpf/bpftool/iter.c
+++ b/tools/bpf/bpftool/iter.c
@@ -76,7 +76,7 @@ static int do_pin(int argc, char **argv)
goto close_obj;
}
- err = mount_bpffs_for_pin(path, false);
+ err = mount_bpffs_for_file(path);
if (err)
goto close_link;
diff --git a/tools/bpf/bpftool/main.h b/tools/bpf/bpftool/main.h
index b8bb08d10d..9eb764fe4c 100644
--- a/tools/bpf/bpftool/main.h
+++ b/tools/bpf/bpftool/main.h
@@ -142,7 +142,8 @@ const char *get_fd_type_name(enum bpf_obj_type type);
char *get_fdinfo(int fd, const char *key);
int open_obj_pinned(const char *path, bool quiet);
int open_obj_pinned_any(const char *path, enum bpf_obj_type exp_type);
-int mount_bpffs_for_pin(const char *name, bool is_dir);
+int mount_bpffs_for_file(const char *file_name);
+int create_and_mount_bpffs_dir(const char *dir_name);
int do_pin_any(int argc, char **argv, int (*get_fd_by_id)(int *, char ***));
int do_pin_fd(int fd, const char *name);
diff --git a/tools/bpf/bpftool/prog.c b/tools/bpf/bpftool/prog.c
index 9cb42a3366..4c4cf16a40 100644
--- a/tools/bpf/bpftool/prog.c
+++ b/tools/bpf/bpftool/prog.c
@@ -1778,7 +1778,10 @@ offload_dev:
goto err_close_obj;
}
- err = mount_bpffs_for_pin(pinfile, !first_prog_only);
+ if (first_prog_only)
+ err = mount_bpffs_for_file(pinfile);
+ else
+ err = create_and_mount_bpffs_dir(pinfile);
if (err)
goto err_close_obj;
diff --git a/tools/bpf/bpftool/skeleton/pid_iter.bpf.c b/tools/bpf/bpftool/skeleton/pid_iter.bpf.c
index 26004f0c5a..7bdbcac3cf 100644
--- a/tools/bpf/bpftool/skeleton/pid_iter.bpf.c
+++ b/tools/bpf/bpftool/skeleton/pid_iter.bpf.c
@@ -102,8 +102,8 @@ int iter(struct bpf_iter__task_file *ctx)
BPF_LINK_TYPE_PERF_EVENT___local)) {
struct bpf_link *link = (struct bpf_link *) file->private_data;
- if (link->type == bpf_core_enum_value(enum bpf_link_type___local,
- BPF_LINK_TYPE_PERF_EVENT___local)) {
+ if (BPF_CORE_READ(link, type) == bpf_core_enum_value(enum bpf_link_type___local,
+ BPF_LINK_TYPE_PERF_EVENT___local)) {
e.has_bpf_cookie = true;
e.bpf_cookie = get_bpf_cookie(link);
}
diff --git a/tools/bpf/bpftool/struct_ops.c b/tools/bpf/bpftool/struct_ops.c
index d573f2640d..aa43dead24 100644
--- a/tools/bpf/bpftool/struct_ops.c
+++ b/tools/bpf/bpftool/struct_ops.c
@@ -515,7 +515,7 @@ static int do_register(int argc, char **argv)
if (argc == 1)
linkdir = GET_ARG();
- if (linkdir && mount_bpffs_for_pin(linkdir, true)) {
+ if (linkdir && create_and_mount_bpffs_dir(linkdir)) {
p_err("can't mount bpffs for pinning");
return -1;
}
diff --git a/tools/include/nolibc/stdlib.h b/tools/include/nolibc/stdlib.h
index bacfd35c51..5be9d3c743 100644
--- a/tools/include/nolibc/stdlib.h
+++ b/tools/include/nolibc/stdlib.h
@@ -185,7 +185,7 @@ void *realloc(void *old_ptr, size_t new_size)
if (__builtin_expect(!ret, 0))
return NULL;
- memcpy(ret, heap->user_p, heap->len);
+ memcpy(ret, heap->user_p, user_p_len);
munmap(heap, heap->len);
return ret;
}
diff --git a/tools/include/uapi/linux/bpf.h b/tools/include/uapi/linux/bpf.h
index 7f24d898ef..a12f597a1c 100644
--- a/tools/include/uapi/linux/bpf.h
+++ b/tools/include/uapi/linux/bpf.h
@@ -7039,7 +7039,7 @@ struct bpf_fib_lookup {
/* output: MTU value */
__u16 mtu_result;
- };
+ } __attribute__((packed, aligned(2)));
/* input: L3 device index for lookup
* output: device index from FIB lookup
*/
diff --git a/tools/lib/bpf/libbpf.c b/tools/lib/bpf/libbpf.c
index 92bca96587..028d8f014c 100644
--- a/tools/lib/bpf/libbpf.c
+++ b/tools/lib/bpf/libbpf.c
@@ -7456,9 +7456,9 @@ static int bpf_object_load_prog(struct bpf_object *obj, struct bpf_program *prog
char *cp, errmsg[STRERR_BUFSIZE];
size_t log_buf_size = 0;
char *log_buf = NULL, *tmp;
- int btf_fd, ret, err;
bool own_log_buf = true;
__u32 log_level = prog->log_level;
+ int ret, err;
if (prog->type == BPF_PROG_TYPE_UNSPEC) {
/*
@@ -7482,9 +7482,8 @@ static int bpf_object_load_prog(struct bpf_object *obj, struct bpf_program *prog
load_attr.prog_ifindex = prog->prog_ifindex;
/* specify func_info/line_info only if kernel supports them */
- btf_fd = btf__fd(obj->btf);
- if (btf_fd >= 0 && kernel_supports(obj, FEAT_BTF_FUNC)) {
- load_attr.prog_btf_fd = btf_fd;
+ if (obj->btf && btf__fd(obj->btf) >= 0 && kernel_supports(obj, FEAT_BTF_FUNC)) {
+ load_attr.prog_btf_fd = btf__fd(obj->btf);
load_attr.func_info = prog->func_info;
load_attr.func_info_rec_size = prog->func_info_rec_size;
load_attr.func_info_cnt = prog->func_info_cnt;
@@ -11562,7 +11561,7 @@ static int attach_kprobe_multi(const struct bpf_program *prog, long cookie, stru
n = sscanf(spec, "%m[a-zA-Z0-9_.*?]", &pattern);
if (n < 1) {
- pr_warn("kprobe multi pattern is invalid: %s\n", pattern);
+ pr_warn("kprobe multi pattern is invalid: %s\n", spec);
return -EINVAL;
}
diff --git a/tools/testing/selftests/bpf/cgroup_helpers.c b/tools/testing/selftests/bpf/cgroup_helpers.c
index 19be9c63d5..e812876d79 100644
--- a/tools/testing/selftests/bpf/cgroup_helpers.c
+++ b/tools/testing/selftests/bpf/cgroup_helpers.c
@@ -508,6 +508,9 @@ int cgroup_setup_and_join(const char *path) {
/**
* setup_classid_environment() - Setup the cgroupv1 net_cls environment
*
+ * This function should only be called in a custom mount namespace, e.g.
+ * created by running setup_cgroup_environment.
+ *
* After calling this function, cleanup_classid_environment should be called
* once testing is complete.
*
diff --git a/tools/testing/selftests/bpf/network_helpers.c b/tools/testing/selftests/bpf/network_helpers.c
index 6db27a9088..be96bf0223 100644
--- a/tools/testing/selftests/bpf/network_helpers.c
+++ b/tools/testing/selftests/bpf/network_helpers.c
@@ -461,6 +461,8 @@ struct nstoken *open_netns(const char *name)
return token;
fail:
+ if (token->orig_netns_fd != -1)
+ close(token->orig_netns_fd);
free(token);
return NULL;
}
diff --git a/tools/testing/selftests/bpf/prog_tests/cgroup1_hierarchy.c b/tools/testing/selftests/bpf/prog_tests/cgroup1_hierarchy.c
index 74d6d7546f..25332e5967 100644
--- a/tools/testing/selftests/bpf/prog_tests/cgroup1_hierarchy.c
+++ b/tools/testing/selftests/bpf/prog_tests/cgroup1_hierarchy.c
@@ -87,9 +87,12 @@ void test_cgroup1_hierarchy(void)
goto destroy;
/* Setup cgroup1 hierarchy */
+ err = setup_cgroup_environment();
+ if (!ASSERT_OK(err, "setup_cgroup_environment"))
+ goto destroy;
err = setup_classid_environment();
if (!ASSERT_OK(err, "setup_classid_environment"))
- goto destroy;
+ goto cleanup_cgroup;
err = join_classid();
if (!ASSERT_OK(err, "join_cgroup1"))
@@ -153,6 +156,8 @@ void test_cgroup1_hierarchy(void)
cleanup:
cleanup_classid_environment();
+cleanup_cgroup:
+ cleanup_cgroup_environment();
destroy:
test_cgroup1_hierarchy__destroy(skel);
}
diff --git a/tools/testing/selftests/bpf/prog_tests/xdp_do_redirect.c b/tools/testing/selftests/bpf/prog_tests/xdp_do_redirect.c
index 498d3bdaa4..bad0ea167b 100644
--- a/tools/testing/selftests/bpf/prog_tests/xdp_do_redirect.c
+++ b/tools/testing/selftests/bpf/prog_tests/xdp_do_redirect.c
@@ -107,8 +107,8 @@ void test_xdp_do_redirect(void)
.attach_point = BPF_TC_INGRESS);
memcpy(&data[sizeof(__u64)], &pkt_udp, sizeof(pkt_udp));
- *((__u32 *)data) = 0x42; /* metadata test value */
- *((__u32 *)data + 4) = 0;
+ ((__u32 *)data)[0] = 0x42; /* metadata test value */
+ ((__u32 *)data)[1] = 0;
skel = test_xdp_do_redirect__open();
if (!ASSERT_OK_PTR(skel, "skel"))
diff --git a/tools/testing/selftests/bpf/progs/bench_local_storage_create.c b/tools/testing/selftests/bpf/progs/bench_local_storage_create.c
index e4bfbba6c1..c8ec0d0368 100644
--- a/tools/testing/selftests/bpf/progs/bench_local_storage_create.c
+++ b/tools/testing/selftests/bpf/progs/bench_local_storage_create.c
@@ -61,14 +61,15 @@ SEC("lsm.s/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;
struct storage *stg;
__u32 pid;
pid = bpf_get_current_pid_tgid() >> 32;
- if (pid != bench_pid)
+ if (pid != bench_pid || !sk)
return 0;
- stg = bpf_sk_storage_get(&sk_storage_map, sock->sk, NULL,
+ stg = bpf_sk_storage_get(&sk_storage_map, sk, NULL,
BPF_LOCAL_STORAGE_GET_F_CREATE);
if (stg)
diff --git a/tools/testing/selftests/bpf/progs/local_storage.c b/tools/testing/selftests/bpf/progs/local_storage.c
index e5e3a8b8dd..637e75df2e 100644
--- a/tools/testing/selftests/bpf/progs/local_storage.c
+++ b/tools/testing/selftests/bpf/progs/local_storage.c
@@ -140,11 +140,12 @@ int BPF_PROG(socket_bind, struct socket *sock, struct sockaddr *address,
{
__u32 pid = bpf_get_current_pid_tgid() >> 32;
struct local_storage *storage;
+ struct sock *sk = sock->sk;
- if (pid != monitored_pid)
+ if (pid != monitored_pid || !sk)
return 0;
- storage = bpf_sk_storage_get(&sk_storage_map, sock->sk, 0, 0);
+ storage = bpf_sk_storage_get(&sk_storage_map, sk, 0, 0);
if (!storage)
return 0;
@@ -155,24 +156,24 @@ int BPF_PROG(socket_bind, struct socket *sock, struct sockaddr *address,
/* This tests that we can associate multiple elements
* with the local storage.
*/
- storage = bpf_sk_storage_get(&sk_storage_map2, sock->sk, 0,
+ storage = bpf_sk_storage_get(&sk_storage_map2, sk, 0,
BPF_LOCAL_STORAGE_GET_F_CREATE);
if (!storage)
return 0;
- if (bpf_sk_storage_delete(&sk_storage_map2, sock->sk))
+ if (bpf_sk_storage_delete(&sk_storage_map2, sk))
return 0;
- storage = bpf_sk_storage_get(&sk_storage_map2, sock->sk, 0,
+ storage = bpf_sk_storage_get(&sk_storage_map2, sk, 0,
BPF_LOCAL_STORAGE_GET_F_CREATE);
if (!storage)
return 0;
- if (bpf_sk_storage_delete(&sk_storage_map, sock->sk))
+ if (bpf_sk_storage_delete(&sk_storage_map, sk))
return 0;
/* Ensure that the sk_storage_map is disconnected from the storage. */
- if (!sock->sk->sk_bpf_storage || sock->sk->sk_bpf_storage->smap)
+ if (!sk->sk_bpf_storage || sk->sk_bpf_storage->smap)
return 0;
sk_storage_result = 0;
@@ -185,11 +186,12 @@ int BPF_PROG(socket_post_create, struct socket *sock, int family, int type,
{
__u32 pid = bpf_get_current_pid_tgid() >> 32;
struct local_storage *storage;
+ struct sock *sk = sock->sk;
- if (pid != monitored_pid)
+ if (pid != monitored_pid || !sk)
return 0;
- storage = bpf_sk_storage_get(&sk_storage_map, sock->sk, 0,
+ storage = bpf_sk_storage_get(&sk_storage_map, sk, 0,
BPF_LOCAL_STORAGE_GET_F_CREATE);
if (!storage)
return 0;
diff --git a/tools/testing/selftests/bpf/progs/lsm_cgroup.c b/tools/testing/selftests/bpf/progs/lsm_cgroup.c
index 02c11d16b6..d7598538aa 100644
--- a/tools/testing/selftests/bpf/progs/lsm_cgroup.c
+++ b/tools/testing/selftests/bpf/progs/lsm_cgroup.c
@@ -103,11 +103,15 @@ static __always_inline int real_bind(struct socket *sock,
int addrlen)
{
struct sockaddr_ll sa = {};
+ struct sock *sk = sock->sk;
- if (sock->sk->__sk_common.skc_family != AF_PACKET)
+ if (!sk)
+ return 1;
+
+ if (sk->__sk_common.skc_family != AF_PACKET)
return 1;
- if (sock->sk->sk_kern_sock)
+ if (sk->sk_kern_sock)
return 1;
bpf_probe_read_kernel(&sa, sizeof(sa), address);
diff --git a/tools/testing/selftests/bpf/test_sockmap.c b/tools/testing/selftests/bpf/test_sockmap.c
index 024a0faafb..43612de44f 100644
--- a/tools/testing/selftests/bpf/test_sockmap.c
+++ b/tools/testing/selftests/bpf/test_sockmap.c
@@ -2104,9 +2104,9 @@ out:
free(options.whitelist);
if (options.blacklist)
free(options.blacklist);
+ close(cg_fd);
if (cg_created)
cleanup_cgroup_environment();
- close(cg_fd);
return err;
}
diff --git a/tools/testing/selftests/cgroup/cgroup_util.c b/tools/testing/selftests/cgroup/cgroup_util.c
index 0340d4ca8f..432db923bc 100644
--- a/tools/testing/selftests/cgroup/cgroup_util.c
+++ b/tools/testing/selftests/cgroup/cgroup_util.c
@@ -195,10 +195,10 @@ int cg_write_numeric(const char *cgroup, const char *control, long value)
return cg_write(cgroup, control, buf);
}
-int cg_find_unified_root(char *root, size_t len)
+int cg_find_unified_root(char *root, size_t len, bool *nsdelegate)
{
char buf[10 * PAGE_SIZE];
- char *fs, *mount, *type;
+ char *fs, *mount, *type, *options;
const char delim[] = "\n\t ";
if (read_text("/proc/self/mounts", buf, sizeof(buf)) <= 0)
@@ -211,12 +211,14 @@ int cg_find_unified_root(char *root, size_t len)
for (fs = strtok(buf, delim); fs; fs = strtok(NULL, delim)) {
mount = strtok(NULL, delim);
type = strtok(NULL, delim);
- strtok(NULL, delim);
+ options = strtok(NULL, delim);
strtok(NULL, delim);
strtok(NULL, delim);
if (strcmp(type, "cgroup2") == 0) {
strncpy(root, mount, len);
+ if (nsdelegate)
+ *nsdelegate = !!strstr(options, "nsdelegate");
return 0;
}
}
diff --git a/tools/testing/selftests/cgroup/cgroup_util.h b/tools/testing/selftests/cgroup/cgroup_util.h
index 1df7f20221..89e8519fb2 100644
--- a/tools/testing/selftests/cgroup/cgroup_util.h
+++ b/tools/testing/selftests/cgroup/cgroup_util.h
@@ -21,7 +21,7 @@ static inline int values_close(long a, long b, int err)
return abs(a - b) <= (a + b) / 100 * err;
}
-extern int cg_find_unified_root(char *root, size_t len);
+extern int cg_find_unified_root(char *root, size_t len, bool *nsdelegate);
extern char *cg_name(const char *root, const char *name);
extern char *cg_name_indexed(const char *root, const char *name, int index);
extern char *cg_control(const char *cgroup, const char *control);
diff --git a/tools/testing/selftests/cgroup/test_core.c b/tools/testing/selftests/cgroup/test_core.c
index 80aa6b2373..a5672a91d2 100644
--- a/tools/testing/selftests/cgroup/test_core.c
+++ b/tools/testing/selftests/cgroup/test_core.c
@@ -18,6 +18,8 @@
#include "../kselftest.h"
#include "cgroup_util.h"
+static bool nsdelegate;
+
static int touch_anon(char *buf, size_t size)
{
int fd;
@@ -775,6 +777,9 @@ static int test_cgcore_lesser_ns_open(const char *root)
pid_t pid;
int status;
+ if (!nsdelegate)
+ return KSFT_SKIP;
+
cg_test_a = cg_name(root, "cg_test_a");
cg_test_b = cg_name(root, "cg_test_b");
@@ -862,7 +867,7 @@ int main(int argc, char *argv[])
char root[PATH_MAX];
int i, ret = EXIT_SUCCESS;
- if (cg_find_unified_root(root, sizeof(root)))
+ if (cg_find_unified_root(root, sizeof(root), &nsdelegate))
ksft_exit_skip("cgroup v2 isn't mounted\n");
if (cg_read_strstr(root, "cgroup.subtree_control", "memory"))
diff --git a/tools/testing/selftests/cgroup/test_cpu.c b/tools/testing/selftests/cgroup/test_cpu.c
index 24020a2c68..186bf96f6a 100644
--- a/tools/testing/selftests/cgroup/test_cpu.c
+++ b/tools/testing/selftests/cgroup/test_cpu.c
@@ -700,7 +700,7 @@ int main(int argc, char *argv[])
char root[PATH_MAX];
int i, ret = EXIT_SUCCESS;
- if (cg_find_unified_root(root, sizeof(root)))
+ if (cg_find_unified_root(root, sizeof(root), NULL))
ksft_exit_skip("cgroup v2 isn't mounted\n");
if (cg_read_strstr(root, "cgroup.subtree_control", "cpu"))
diff --git a/tools/testing/selftests/cgroup/test_cpuset.c b/tools/testing/selftests/cgroup/test_cpuset.c
index b061ed1e05..4034d14ba6 100644
--- a/tools/testing/selftests/cgroup/test_cpuset.c
+++ b/tools/testing/selftests/cgroup/test_cpuset.c
@@ -249,7 +249,7 @@ int main(int argc, char *argv[])
char root[PATH_MAX];
int i, ret = EXIT_SUCCESS;
- if (cg_find_unified_root(root, sizeof(root)))
+ if (cg_find_unified_root(root, sizeof(root), NULL))
ksft_exit_skip("cgroup v2 isn't mounted\n");
if (cg_read_strstr(root, "cgroup.subtree_control", "cpuset"))
diff --git a/tools/testing/selftests/cgroup/test_freezer.c b/tools/testing/selftests/cgroup/test_freezer.c
index 8845353aca..8730645d36 100644
--- a/tools/testing/selftests/cgroup/test_freezer.c
+++ b/tools/testing/selftests/cgroup/test_freezer.c
@@ -827,7 +827,7 @@ int main(int argc, char *argv[])
char root[PATH_MAX];
int i, ret = EXIT_SUCCESS;
- if (cg_find_unified_root(root, sizeof(root)))
+ if (cg_find_unified_root(root, sizeof(root), NULL))
ksft_exit_skip("cgroup v2 isn't mounted\n");
for (i = 0; i < ARRAY_SIZE(tests); i++) {
switch (tests[i].fn(root)) {
diff --git a/tools/testing/selftests/cgroup/test_hugetlb_memcg.c b/tools/testing/selftests/cgroup/test_hugetlb_memcg.c
index f0fefeb4cc..856f9508ea 100644
--- a/tools/testing/selftests/cgroup/test_hugetlb_memcg.c
+++ b/tools/testing/selftests/cgroup/test_hugetlb_memcg.c
@@ -214,7 +214,7 @@ int main(int argc, char **argv)
return ret;
}
- if (cg_find_unified_root(root, sizeof(root)))
+ if (cg_find_unified_root(root, sizeof(root), NULL))
ksft_exit_skip("cgroup v2 isn't mounted\n");
switch (test_hugetlb_memcg(root)) {
diff --git a/tools/testing/selftests/cgroup/test_kill.c b/tools/testing/selftests/cgroup/test_kill.c
index 6153690319..0e5bb6c730 100644
--- a/tools/testing/selftests/cgroup/test_kill.c
+++ b/tools/testing/selftests/cgroup/test_kill.c
@@ -276,7 +276,7 @@ int main(int argc, char *argv[])
char root[PATH_MAX];
int i, ret = EXIT_SUCCESS;
- if (cg_find_unified_root(root, sizeof(root)))
+ if (cg_find_unified_root(root, sizeof(root), NULL))
ksft_exit_skip("cgroup v2 isn't mounted\n");
for (i = 0; i < ARRAY_SIZE(tests); i++) {
switch (tests[i].fn(root)) {
diff --git a/tools/testing/selftests/cgroup/test_kmem.c b/tools/testing/selftests/cgroup/test_kmem.c
index c82f974b85..137506db03 100644
--- a/tools/testing/selftests/cgroup/test_kmem.c
+++ b/tools/testing/selftests/cgroup/test_kmem.c
@@ -420,7 +420,7 @@ int main(int argc, char **argv)
char root[PATH_MAX];
int i, ret = EXIT_SUCCESS;
- if (cg_find_unified_root(root, sizeof(root)))
+ if (cg_find_unified_root(root, sizeof(root), NULL))
ksft_exit_skip("cgroup v2 isn't mounted\n");
/*
diff --git a/tools/testing/selftests/cgroup/test_memcontrol.c b/tools/testing/selftests/cgroup/test_memcontrol.c
index c7c9572003..b462416b38 100644
--- a/tools/testing/selftests/cgroup/test_memcontrol.c
+++ b/tools/testing/selftests/cgroup/test_memcontrol.c
@@ -1314,7 +1314,7 @@ int main(int argc, char **argv)
char root[PATH_MAX];
int i, proc_status, ret = EXIT_SUCCESS;
- if (cg_find_unified_root(root, sizeof(root)))
+ if (cg_find_unified_root(root, sizeof(root), NULL))
ksft_exit_skip("cgroup v2 isn't mounted\n");
/*
diff --git a/tools/testing/selftests/cgroup/test_zswap.c b/tools/testing/selftests/cgroup/test_zswap.c
index 47fdaa1464..e1169d3e62 100644
--- a/tools/testing/selftests/cgroup/test_zswap.c
+++ b/tools/testing/selftests/cgroup/test_zswap.c
@@ -324,7 +324,7 @@ int main(int argc, char **argv)
char root[PATH_MAX];
int i, ret = EXIT_SUCCESS;
- if (cg_find_unified_root(root, sizeof(root)))
+ if (cg_find_unified_root(root, sizeof(root), NULL))
ksft_exit_skip("cgroup v2 isn't mounted\n");
if (!zswap_configured())
diff --git a/tools/testing/selftests/damon/_damon_sysfs.py b/tools/testing/selftests/damon/_damon_sysfs.py
index e98cf4b6a4..f9fead3d0f 100644
--- a/tools/testing/selftests/damon/_damon_sysfs.py
+++ b/tools/testing/selftests/damon/_damon_sysfs.py
@@ -241,6 +241,8 @@ class DamonCtx:
nr_schemes_file = os.path.join(
self.sysfs_dir(), 'schemes', 'nr_schemes')
content, err = read_file(nr_schemes_file)
+ if err is not None:
+ return err
if int(content) != len(self.schemes):
err = write_file(nr_schemes_file, '%d' % len(self.schemes))
if err != None:
diff --git a/tools/testing/selftests/filesystems/binderfs/Makefile b/tools/testing/selftests/filesystems/binderfs/Makefile
index c2f7cef919..eb4c3b4119 100644
--- a/tools/testing/selftests/filesystems/binderfs/Makefile
+++ b/tools/testing/selftests/filesystems/binderfs/Makefile
@@ -3,6 +3,4 @@
CFLAGS += $(KHDR_INCLUDES) -pthread
TEST_GEN_PROGS := binderfs_test
-binderfs_test: binderfs_test.c ../../kselftest.h ../../kselftest_harness.h
-
include ../../lib.mk
diff --git a/tools/testing/selftests/ftrace/test.d/dynevent/add_remove_btfarg.tc b/tools/testing/selftests/ftrace/test.d/dynevent/add_remove_btfarg.tc
index b9c21a81d2..c0cdad4c40 100644
--- a/tools/testing/selftests/ftrace/test.d/dynevent/add_remove_btfarg.tc
+++ b/tools/testing/selftests/ftrace/test.d/dynevent/add_remove_btfarg.tc
@@ -53,7 +53,7 @@ fi
echo > dynamic_events
-if [ "$FIELDS" ] ; then
+if [ "$FIELDS" -a "$FPROBES" ] ; then
echo "t:tpevent ${TP2} obj_size=s->object_size" >> dynamic_events
echo "f:fpevent ${TP3}%return path=\$retval->name:string" >> dynamic_events
echo "t:tpevent2 ${TP4} p->se.group_node.next->prev" >> dynamic_events
diff --git a/tools/testing/selftests/kcmp/kcmp_test.c b/tools/testing/selftests/kcmp/kcmp_test.c
index 25110c7c0b..d7a8e321bb 100644
--- a/tools/testing/selftests/kcmp/kcmp_test.c
+++ b/tools/testing/selftests/kcmp/kcmp_test.c
@@ -91,7 +91,7 @@ int main(int argc, char **argv)
ksft_print_header();
ksft_set_plan(3);
- fd2 = open(kpath, O_RDWR, 0644);
+ fd2 = open(kpath, O_RDWR);
if (fd2 < 0) {
perror("Can't open file");
ksft_exit_fail();
diff --git a/tools/testing/selftests/kvm/aarch64/vgic_init.c b/tools/testing/selftests/kvm/aarch64/vgic_init.c
index eef816b809..ca917c71ff 100644
--- a/tools/testing/selftests/kvm/aarch64/vgic_init.c
+++ b/tools/testing/selftests/kvm/aarch64/vgic_init.c
@@ -84,6 +84,18 @@ static struct vm_gic vm_gic_create_with_vcpus(uint32_t gic_dev_type,
return v;
}
+static struct vm_gic vm_gic_create_barebones(uint32_t gic_dev_type)
+{
+ struct vm_gic v;
+
+ v.gic_dev_type = gic_dev_type;
+ v.vm = vm_create_barebones();
+ v.gic_fd = kvm_create_device(v.vm, gic_dev_type);
+
+ return v;
+}
+
+
static void vm_gic_destroy(struct vm_gic *v)
{
close(v->gic_fd);
@@ -357,6 +369,40 @@ static void test_vcpus_then_vgic(uint32_t gic_dev_type)
vm_gic_destroy(&v);
}
+#define KVM_VGIC_V2_ATTR(offset, cpu) \
+ (FIELD_PREP(KVM_DEV_ARM_VGIC_OFFSET_MASK, offset) | \
+ FIELD_PREP(KVM_DEV_ARM_VGIC_CPUID_MASK, cpu))
+
+#define GIC_CPU_CTRL 0x00
+
+static void test_v2_uaccess_cpuif_no_vcpus(void)
+{
+ struct vm_gic v;
+ u64 val = 0;
+ int ret;
+
+ v = vm_gic_create_barebones(KVM_DEV_TYPE_ARM_VGIC_V2);
+ subtest_dist_rdist(&v);
+
+ ret = __kvm_has_device_attr(v.gic_fd, KVM_DEV_ARM_VGIC_GRP_CPU_REGS,
+ KVM_VGIC_V2_ATTR(GIC_CPU_CTRL, 0));
+ TEST_ASSERT(ret && errno == EINVAL,
+ "accessed non-existent CPU interface, want errno: %i",
+ EINVAL);
+ ret = __kvm_device_attr_get(v.gic_fd, KVM_DEV_ARM_VGIC_GRP_CPU_REGS,
+ KVM_VGIC_V2_ATTR(GIC_CPU_CTRL, 0), &val);
+ TEST_ASSERT(ret && errno == EINVAL,
+ "accessed non-existent CPU interface, want errno: %i",
+ EINVAL);
+ ret = __kvm_device_attr_set(v.gic_fd, KVM_DEV_ARM_VGIC_GRP_CPU_REGS,
+ KVM_VGIC_V2_ATTR(GIC_CPU_CTRL, 0), &val);
+ TEST_ASSERT(ret && errno == EINVAL,
+ "accessed non-existent CPU interface, want errno: %i",
+ EINVAL);
+
+ vm_gic_destroy(&v);
+}
+
static void test_v3_new_redist_regions(void)
{
struct kvm_vcpu *vcpus[NR_VCPUS];
@@ -675,6 +721,9 @@ void run_tests(uint32_t gic_dev_type)
test_vcpus_then_vgic(gic_dev_type);
test_vgic_then_vcpus(gic_dev_type);
+ if (VGIC_DEV_IS_V2(gic_dev_type))
+ test_v2_uaccess_cpuif_no_vcpus();
+
if (VGIC_DEV_IS_V3(gic_dev_type)) {
test_v3_new_redist_regions();
test_v3_typer_accesses();
diff --git a/tools/testing/selftests/lib.mk b/tools/testing/selftests/lib.mk
index aa646e0661..a8f0442a36 100644
--- a/tools/testing/selftests/lib.mk
+++ b/tools/testing/selftests/lib.mk
@@ -7,6 +7,8 @@ else ifneq ($(filter -%,$(LLVM)),)
LLVM_SUFFIX := $(LLVM)
endif
+CLANG := $(LLVM_PREFIX)clang$(LLVM_SUFFIX)
+
CLANG_TARGET_FLAGS_arm := arm-linux-gnueabi
CLANG_TARGET_FLAGS_arm64 := aarch64-linux-gnu
CLANG_TARGET_FLAGS_hexagon := hexagon-linux-musl
@@ -18,7 +20,13 @@ CLANG_TARGET_FLAGS_riscv := riscv64-linux-gnu
CLANG_TARGET_FLAGS_s390 := s390x-linux-gnu
CLANG_TARGET_FLAGS_x86 := x86_64-linux-gnu
CLANG_TARGET_FLAGS_x86_64 := x86_64-linux-gnu
-CLANG_TARGET_FLAGS := $(CLANG_TARGET_FLAGS_$(ARCH))
+
+# Default to host architecture if ARCH is not explicitly given.
+ifeq ($(ARCH),)
+CLANG_TARGET_FLAGS := $(shell $(CLANG) -print-target-triple)
+else
+CLANG_TARGET_FLAGS := $(CLANG_TARGET_FLAGS_$(ARCH))
+endif
ifeq ($(CROSS_COMPILE),)
ifeq ($(CLANG_TARGET_FLAGS),)
@@ -30,7 +38,7 @@ else
CLANG_FLAGS += --target=$(notdir $(CROSS_COMPILE:%-=%))
endif # CROSS_COMPILE
-CC := $(LLVM_PREFIX)clang$(LLVM_SUFFIX) $(CLANG_FLAGS) -fintegrated-as
+CC := $(CLANG) $(CLANG_FLAGS) -fintegrated-as
else
CC := $(CROSS_COMPILE)gcc
endif # LLVM
diff --git a/tools/testing/selftests/net/amt.sh b/tools/testing/selftests/net/amt.sh
index 75528788cb..5175a42cbe 100755
--- a/tools/testing/selftests/net/amt.sh
+++ b/tools/testing/selftests/net/amt.sh
@@ -210,8 +210,8 @@ check_features()
test_ipv4_forward()
{
- RESULT4=$(ip netns exec "${LISTENER}" nc -w 1 -l -u 239.0.0.1 4000)
- if [ "$RESULT4" == "172.17.0.2" ]; then
+ RESULT4=$(ip netns exec "${LISTENER}" timeout 15 socat - UDP4-LISTEN:4000,readbytes=128 || true)
+ if echo "$RESULT4" | grep -q "172.17.0.2"; then
printf "TEST: %-60s [ OK ]\n" "IPv4 amt multicast forwarding"
exit 0
else
@@ -222,8 +222,8 @@ test_ipv4_forward()
test_ipv6_forward()
{
- RESULT6=$(ip netns exec "${LISTENER}" nc -w 1 -l -u ff0e::5:6 6000)
- if [ "$RESULT6" == "2001:db8:3::2" ]; then
+ RESULT6=$(ip netns exec "${LISTENER}" timeout 15 socat - UDP6-LISTEN:6000,readbytes=128 || true)
+ if echo "$RESULT6" | grep -q "2001:db8:3::2"; then
printf "TEST: %-60s [ OK ]\n" "IPv6 amt multicast forwarding"
exit 0
else
@@ -236,14 +236,14 @@ send_mcast4()
{
sleep 2
ip netns exec "${SOURCE}" bash -c \
- 'echo 172.17.0.2 | nc -w 1 -u 239.0.0.1 4000' &
+ 'printf "%s %128s" 172.17.0.2 | nc -w 1 -u 239.0.0.1 4000' &
}
send_mcast6()
{
sleep 2
ip netns exec "${SOURCE}" bash -c \
- 'echo 2001:db8:3::2 | nc -w 1 -u ff0e::5:6 6000' &
+ 'printf "%s %128s" 2001:db8:3::2 | nc -w 1 -u ff0e::5:6 6000' &
}
check_features
diff --git a/tools/testing/selftests/net/config b/tools/testing/selftests/net/config
index 5e4390cac1..04de7a6ba6 100644
--- a/tools/testing/selftests/net/config
+++ b/tools/testing/selftests/net/config
@@ -30,6 +30,7 @@ CONFIG_IP_GRE=m
CONFIG_NETFILTER=y
CONFIG_NETFILTER_ADVANCED=y
CONFIG_NF_CONNTRACK=m
+CONFIG_IPV6_MROUTE=y
CONFIG_IPV6_SIT=y
CONFIG_IP_DCCP=m
CONFIG_NF_NAT=m
diff --git a/tools/testing/selftests/net/forwarding/bridge_igmp.sh b/tools/testing/selftests/net/forwarding/bridge_igmp.sh
index 2aa66d2a17..e6a3e04fd8 100755
--- a/tools/testing/selftests/net/forwarding/bridge_igmp.sh
+++ b/tools/testing/selftests/net/forwarding/bridge_igmp.sh
@@ -478,10 +478,10 @@ v3exc_timeout_test()
RET=0
local X=("192.0.2.20" "192.0.2.30")
- # GMI should be 3 seconds
+ # GMI should be 5 seconds
ip link set dev br0 type bridge mcast_query_interval 100 \
mcast_query_response_interval 100 \
- mcast_membership_interval 300
+ mcast_membership_interval 500
v3exclude_prepare $h1 $ALL_MAC $ALL_GROUP
ip link set dev br0 type bridge mcast_query_interval 500 \
@@ -489,7 +489,7 @@ v3exc_timeout_test()
mcast_membership_interval 1500
$MZ $h1 -c 1 -b $ALL_MAC -B $ALL_GROUP -t ip "proto=2,p=$MZPKT_ALLOW2" -q
- sleep 3
+ sleep 5
bridge -j -d -s mdb show dev br0 \
| jq -e ".[].mdb[] | \
select(.grp == \"$TEST_GROUP\" and \
diff --git a/tools/testing/selftests/net/forwarding/bridge_mld.sh b/tools/testing/selftests/net/forwarding/bridge_mld.sh
index e2b9ff773c..f84ab2e657 100755
--- a/tools/testing/selftests/net/forwarding/bridge_mld.sh
+++ b/tools/testing/selftests/net/forwarding/bridge_mld.sh
@@ -478,10 +478,10 @@ mldv2exc_timeout_test()
RET=0
local X=("2001:db8:1::20" "2001:db8:1::30")
- # GMI should be 3 seconds
+ # GMI should be 5 seconds
ip link set dev br0 type bridge mcast_query_interval 100 \
mcast_query_response_interval 100 \
- mcast_membership_interval 300
+ mcast_membership_interval 500
mldv2exclude_prepare $h1
ip link set dev br0 type bridge mcast_query_interval 500 \
@@ -489,7 +489,7 @@ mldv2exc_timeout_test()
mcast_membership_interval 1500
$MZ $h1 -c 1 $MZPKT_ALLOW2 -q
- sleep 3
+ sleep 5
bridge -j -d -s mdb show dev br0 \
| jq -e ".[].mdb[] | \
select(.grp == \"$TEST_GROUP\" and \
diff --git a/tools/testing/selftests/net/lib.sh b/tools/testing/selftests/net/lib.sh
index f9fe182dfb..56a9454b7b 100644
--- a/tools/testing/selftests/net/lib.sh
+++ b/tools/testing/selftests/net/lib.sh
@@ -73,15 +73,17 @@ setup_ns()
local ns=""
local ns_name=""
local ns_list=""
+ local ns_exist=
for ns_name in "$@"; do
# Some test may setup/remove same netns multi times
if unset ${ns_name} 2> /dev/null; then
ns="${ns_name,,}-$(mktemp -u XXXXXX)"
eval readonly ${ns_name}="$ns"
+ ns_exist=false
else
eval ns='$'${ns_name}
cleanup_ns "$ns"
-
+ ns_exist=true
fi
if ! ip netns add "$ns"; then
@@ -90,7 +92,7 @@ setup_ns()
return $ksft_skip
fi
ip -n "$ns" link set lo up
- ns_list="$ns_list $ns"
+ ! $ns_exist && ns_list="$ns_list $ns"
done
NS_LIST="$NS_LIST $ns_list"
}
diff --git a/tools/testing/selftests/resctrl/Makefile b/tools/testing/selftests/resctrl/Makefile
index 2deac2031d..021863f860 100644
--- a/tools/testing/selftests/resctrl/Makefile
+++ b/tools/testing/selftests/resctrl/Makefile
@@ -5,6 +5,8 @@ CFLAGS += $(KHDR_INCLUDES)
TEST_GEN_PROGS := resctrl_tests
+LOCAL_HDRS += $(wildcard *.h)
+
include ../lib.mk
-$(OUTPUT)/resctrl_tests: $(wildcard *.[ch])
+$(OUTPUT)/resctrl_tests: $(wildcard *.c)
diff --git a/tools/testing/selftests/syscall_user_dispatch/sud_test.c b/tools/testing/selftests/syscall_user_dispatch/sud_test.c
index b5d592d409..d975a67673 100644
--- a/tools/testing/selftests/syscall_user_dispatch/sud_test.c
+++ b/tools/testing/selftests/syscall_user_dispatch/sud_test.c
@@ -158,6 +158,20 @@ static void handle_sigsys(int sig, siginfo_t *info, void *ucontext)
/* In preparation for sigreturn. */
SYSCALL_DISPATCH_OFF(glob_sel);
+
+ /*
+ * The tests for argument handling assume that `syscall(x) == x`. This
+ * is a NOP on x86 because the syscall number is passed in %rax, which
+ * happens to also be the function ABI return register. Other
+ * architectures may need to swizzle the arguments around.
+ */
+#if defined(__riscv)
+/* REG_A7 is not defined in libc headers */
+# define REG_A7 (REG_A0 + 7)
+
+ ((ucontext_t *)ucontext)->uc_mcontext.__gregs[REG_A0] =
+ ((ucontext_t *)ucontext)->uc_mcontext.__gregs[REG_A7];
+#endif
}
TEST(dispatch_and_return)
diff --git a/tools/tracing/latency/latency-collector.c b/tools/tracing/latency/latency-collector.c
index 0fd9c747d3..cf263fe9de 100644
--- a/tools/tracing/latency/latency-collector.c
+++ b/tools/tracing/latency/latency-collector.c
@@ -935,12 +935,12 @@ static void show_available(void)
}
if (!tracers) {
- warnx(no_tracer_msg);
+ warnx("%s", no_tracer_msg);
return;
}
if (!found) {
- warnx(no_latency_tr_msg);
+ warnx("%s", no_latency_tr_msg);
tracefs_list_free(tracers);
return;
}
@@ -983,7 +983,7 @@ static const char *find_default_tracer(void)
for (i = 0; relevant_tracers[i]; i++) {
valid = tracer_valid(relevant_tracers[i], &notracer);
if (notracer)
- errx(EXIT_FAILURE, no_tracer_msg);
+ errx(EXIT_FAILURE, "%s", no_tracer_msg);
if (valid)
return relevant_tracers[i];
}
@@ -1878,7 +1878,7 @@ static void scan_arguments(int argc, char *argv[])
}
valid = tracer_valid(current_tracer, &notracer);
if (notracer)
- errx(EXIT_FAILURE, no_tracer_msg);
+ errx(EXIT_FAILURE, "%s", no_tracer_msg);
if (!valid)
errx(EXIT_FAILURE,
"The tracer %s is not supported by your kernel!\n", current_tracer);