Fixed a memory bug with RepeatedField#+.

We need to fuse the arrays so that the second array's data stays live.
protocolbuffers · Sep 11, 2021 · 79ac88b · 79ac88b
1 parent 605ab95
commit 79ac88b
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/ruby/ext/google/protobuf_c/repeated_field.c b/ruby/ext/google/protobuf_c/repeated_field.c
@@ -551,6 +551,7 @@ VALUE RepeatedField_plus(VALUE _self, VALUE list) {
     RepeatedField* dupped = ruby_to_RepeatedField(dupped_);
     upb_array *dupped_array = RepeatedField_GetMutable(dupped_);
     upb_arena* arena = Arena_get(dupped->arena);
+    Arena_fuse(list_rptfield->arena, arena);
     int size = upb_array_size(list_rptfield->array);
     int i;