diff options
| -rw-r--r-- | kernel/bpf/verifier.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/kernel/bpf/verifier.c b/kernel/bpf/verifier.c index 99444eae917e..7aa47342dc65 100644 --- a/kernel/bpf/verifier.c +++ b/kernel/bpf/verifier.c @@ -9189,7 +9189,8 @@ static int btf_check_func_arg_match(struct bpf_verifier_env *env, int subprog, return ret; if (check_mem_reg(env, reg, argno, arg->mem_size)) return -EINVAL; - if (!(arg->arg_type & PTR_MAYBE_NULL) && (reg->type & PTR_MAYBE_NULL)) { + if (!(arg->arg_type & PTR_MAYBE_NULL) && + (type_may_be_null(reg->type) || bpf_register_is_null(reg))) { bpf_log(log, "%s is expected to be non-NULL\n", reg_arg_name(env, argno)); return -EINVAL; |