diff options
| -rw-r--r-- | kernel/bpf/verifier.c | 5 | ||||
| -rw-r--r-- | tools/testing/selftests/bpf/prog_tests/refcounted_kptr.c | 2 |
2 files changed, 4 insertions, 3 deletions
diff --git a/kernel/bpf/verifier.c b/kernel/bpf/verifier.c index 0d73139ee4d8..5c4aa393f65a 100644 --- a/kernel/bpf/verifier.c +++ b/kernel/bpf/verifier.c @@ -10509,7 +10509,10 @@ static int check_kfunc_args(struct bpf_verifier_env *env, struct bpf_kfunc_call_ verbose(env, "arg#%d doesn't point to a type with bpf_refcount field\n", i); return -EINVAL; } - + if (rec->refcount_off >= 0) { + verbose(env, "bpf_refcount_acquire calls are disabled for now\n"); + return -EINVAL; + } meta->arg_refcount_acquire.btf = reg->btf; meta->arg_refcount_acquire.btf_id = reg->btf_id; break; diff --git a/tools/testing/selftests/bpf/prog_tests/refcounted_kptr.c b/tools/testing/selftests/bpf/prog_tests/refcounted_kptr.c index 2ab23832062d..595cbf92bff5 100644 --- a/tools/testing/selftests/bpf/prog_tests/refcounted_kptr.c +++ b/tools/testing/selftests/bpf/prog_tests/refcounted_kptr.c @@ -9,10 +9,8 @@ void test_refcounted_kptr(void) { - RUN_TESTS(refcounted_kptr); } void test_refcounted_kptr_fail(void) { - RUN_TESTS(refcounted_kptr_fail); } |