diff options
| author | David Windsor <dwindsor@gmail.com> | 2026-06-11 10:35:49 -0400 |
|---|---|---|
| committer | Alexei Starovoitov <ast@kernel.org> | 2026-06-14 19:39:41 -0700 |
| commit | 05ae621d4e3c7bfdcc0a4eef1d66eccfc789ee62 (patch) | |
| tree | d3d6b214aa457c494afd41cc00e8bc561abc4724 | |
| parent | c79536c8146951cdad31cbced25d8e6bd1cad6c1 (diff) | |
selftests/bpf: Add test for sleepable lsm_cgroup rejection
Confirm the verifier rejects loading a sleepable BPF_LSM_CGROUP program,
as introduced in commit 5b038319be44 ("bpf: Reject sleepable
BPF_LSM_CGROUP programs at load time").
Signed-off-by: David Windsor <dwindsor@gmail.com>
Reviewed-by: Emil Tsalapatis <emil@etsalapatis.com>
Link: https://lore.kernel.org/r/20260611143549.703914-1-dwindsor@gmail.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
| -rw-r--r-- | tools/testing/selftests/bpf/progs/verifier_lsm.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/tools/testing/selftests/bpf/progs/verifier_lsm.c b/tools/testing/selftests/bpf/progs/verifier_lsm.c index 38e8e9176862..2f8103bfa14e 100644 --- a/tools/testing/selftests/bpf/progs/verifier_lsm.c +++ b/tools/testing/selftests/bpf/progs/verifier_lsm.c @@ -188,4 +188,13 @@ int BPF_PROG(null_check, struct file *file) return 0; } +SEC("lsm_cgroup/file_open") +__description("sleepable lsm_cgroup program is rejected") +__failure __msg("Program of this type cannot be sleepable") +__flag(BPF_F_SLEEPABLE) +int BPF_PROG(sleepable_lsm_cgroup) +{ + return 0; +} + char _license[] SEC("license") = "GPL"; |