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Diffstat (limited to 'kernel/bpf/btf.c')
-rw-r--r--kernel/bpf/btf.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/kernel/bpf/btf.c b/kernel/bpf/btf.c
index b03087f110eb..5189bc5ebd89 100644
--- a/kernel/bpf/btf.c
+++ b/kernel/bpf/btf.c
@@ -2148,7 +2148,7 @@ static int btf_struct_resolve(struct btf_verifier_env *env,
if (v->next_member) {
const struct btf_type *last_member_type;
const struct btf_member *last_member;
- u16 last_member_type_id;
+ u32 last_member_type_id;
last_member = btf_type_member(v->t) + v->next_member - 1;
last_member_type_id = last_member->type;
@@ -2719,6 +2719,7 @@ static int btf_datasec_resolve(struct btf_verifier_env *env,
struct btf *btf = env->btf;
u16 i;
+ env->resolve_mode = RESOLVE_TBD;
for_each_vsi_from(i, v->next_member, v->t, vsi) {
u32 var_type_id = vsi->type, type_id, type_size = 0;
const struct btf_type *var_type = btf_type_by_id(env->btf,
@@ -2849,6 +2850,11 @@ static int btf_func_proto_check(struct btf_verifier_env *env,
break;
}
+ if (btf_type_is_resolve_source_only(arg_type)) {
+ btf_verifier_log_type(env, t, "Invalid arg#%u", i + 1);
+ return -EINVAL;
+ }
+
if (args[i].name_off &&
(!btf_name_offset_valid(btf, args[i].name_off) ||
!btf_name_valid_identifier(btf, args[i].name_off))) {