diff options
| author | Jiri Olsa <jolsa@kernel.org> | 2026-06-06 14:39:52 +0200 |
|---|---|---|
| committer | Alexei Starovoitov <ast@kernel.org> | 2026-06-07 10:03:03 -0700 |
| commit | 443c91d08c4bf48caeab6243edaca4e987573d8a (patch) | |
| tree | 6f6202270087e05c866f9faaa5347180fe7176aa | |
| parent | 1fd8328549979d96540252fa826481df93885a5a (diff) | |
selftests/bpf: Add tracing multi verifier fails test
Adding tests for verifier fails on tracing multi programs.
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Link: https://lore.kernel.org/r/20260606123955.345967-28-jolsa@kernel.org
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
| -rw-r--r-- | tools/testing/selftests/bpf/prog_tests/tracing_multi.c | 2 | ||||
| -rw-r--r-- | tools/testing/selftests/bpf/progs/tracing_multi_verifier.c | 31 |
2 files changed, 33 insertions, 0 deletions
diff --git a/tools/testing/selftests/bpf/prog_tests/tracing_multi.c b/tools/testing/selftests/bpf/prog_tests/tracing_multi.c index 7e1bb071ce2a..9e026f2b254d 100644 --- a/tools/testing/selftests/bpf/prog_tests/tracing_multi.c +++ b/tools/testing/selftests/bpf/prog_tests/tracing_multi.c @@ -9,6 +9,7 @@ #include "tracing_multi_intersect.skel.h" #include "tracing_multi_session.skel.h" #include "tracing_multi_fail.skel.h" +#include "tracing_multi_verifier.skel.h" #include "trace_helpers.h" static __u64 bpf_fentry_test_cookies[] = { @@ -619,4 +620,5 @@ void test_tracing_multi_test(void) test_session(); if (test__start_subtest("attach_api_fails")) test_attach_api_fails(); + RUN_TESTS(tracing_multi_verifier); } diff --git a/tools/testing/selftests/bpf/progs/tracing_multi_verifier.c b/tools/testing/selftests/bpf/progs/tracing_multi_verifier.c new file mode 100644 index 000000000000..7b6ed41bf452 --- /dev/null +++ b/tools/testing/selftests/bpf/progs/tracing_multi_verifier.c @@ -0,0 +1,31 @@ +// SPDX-License-Identifier: GPL-2.0 +#include "vmlinux.h" +#include <bpf/bpf_helpers.h> +#include <bpf/bpf_tracing.h> +#include "bpf_misc.h" + +char _license[] SEC("license") = "GPL"; + +SEC("fentry.multi/bpf_fentry_test1") +__failure +__msg("func 'bpf_multi_func' doesn't have 1-th argument") +int BPF_PROG(fentry_direct_access, int a) +{ + return a; +} + +SEC("fexit.multi/bpf_fentry_test3") +__failure +__msg("invalid bpf_context access off=24 size=8") +int BPF_PROG(fexit_direct_access, char a, int b, __u64 c, int ret) +{ + return ret; +} + +SEC("fsession.multi/bpf_fentry_test4") +__failure +__msg("invalid bpf_context access off=16 size=8") +int BPF_PROG(fsession_direct_access, void *a, char b, int c, __u64 d, int ret) +{ + return c; +} |