Fixed fuzz bug due to negative oneof index.

PiperOrigin-RevId: 449900976
3 years ago · eebcd59a96
parent 285474d8e1
commit eebcd59a96
1 changed files with 1 additions and 2 deletions
--- a/upb/def.c
+++ b/upb/def.c
@ -2339,8 +2339,7 @@ static void create_fielddef(
  }

  if (google_protobuf_FieldDescriptorProto_has_oneof_index(field_proto)) {
-    int oneof_index =
-        google_protobuf_FieldDescriptorProto_oneof_index(field_proto);
+    uint32_t oneof_index = google_protobuf_FieldDescriptorProto_oneof_index(field_proto);
    upb_OneofDef* oneof;
    upb_value v = upb_value_constptr(f);