diff --git a/kernel/bpf/verifier.c b/kernel/bpf/verifier.c index fd502c1f71eb003e5975ec58e33ccc8f8e1c0586..6c5a41f7f33856d79f641c57767c7c093ec2a831 100644 --- a/kernel/bpf/verifier.c +++ b/kernel/bpf/verifier.c @@ -1897,8 +1897,9 @@ static int check_max_stack_depth(struct bpf_verifier_env *env) } frame++; if (frame >= MAX_CALL_FRAMES) { - WARN_ONCE(1, "verifier bug. Call stack is too deep\n"); - return -EFAULT; + verbose(env, "the call stack of %d frames is too deep !\n", + frame); + return -E2BIG; } goto process_func; }