diff options
| -rw-r--r-- | include/linux/bpf_verifier.h | 5 | ||||
| -rw-r--r-- | kernel/bpf/verifier.c | 5 | ||||
| -rw-r--r-- | net/bpf/bpf_dummy_struct_ops.c | 2 |
3 files changed, 6 insertions, 6 deletions
diff --git a/include/linux/bpf_verifier.h b/include/linux/bpf_verifier.h index 8458632824a4..4513372c5bc8 100644 --- a/include/linux/bpf_verifier.h +++ b/include/linux/bpf_verifier.h @@ -927,6 +927,11 @@ static inline bool type_is_sk_pointer(enum bpf_reg_type type) type == PTR_TO_XDP_SOCK; } +static inline bool type_may_be_null(u32 type) +{ + return type & PTR_MAYBE_NULL; +} + static inline void mark_reg_scratched(struct bpf_verifier_env *env, u32 regno) { env->scratched_regs |= 1U << regno; diff --git a/kernel/bpf/verifier.c b/kernel/bpf/verifier.c index b806afeba212..53d0556fbbf3 100644 --- a/kernel/bpf/verifier.c +++ b/kernel/bpf/verifier.c @@ -383,11 +383,6 @@ static void verbose_invalid_scalar(struct bpf_verifier_env *env, verbose(env, " should have been in [%d, %d]\n", range.minval, range.maxval); } -static bool type_may_be_null(u32 type) -{ - return type & PTR_MAYBE_NULL; -} - static bool reg_not_null(const struct bpf_reg_state *reg) { enum bpf_reg_type type; diff --git a/net/bpf/bpf_dummy_struct_ops.c b/net/bpf/bpf_dummy_struct_ops.c index 3ea52b05adfb..f71f67c6896b 100644 --- a/net/bpf/bpf_dummy_struct_ops.c +++ b/net/bpf/bpf_dummy_struct_ops.c @@ -115,7 +115,7 @@ static int check_test_run_args(struct bpf_prog *prog, struct bpf_dummy_ops_test_ offset = btf_ctx_arg_offset(bpf_dummy_ops_btf, func_proto, arg_no); info = find_ctx_arg_info(prog->aux, offset); - if (info && (info->reg_type & PTR_MAYBE_NULL)) + if (info && type_may_be_null(info->reg_type)) continue; return -EINVAL; |