fix #1342 cause by ownership issues

1 files changed, 4 insertions, 1 deletions

diff --git a/src/google/protobuf/util/internal/default_value_objectwriter.cc b/src/google/protobuf/util/internal/default_value_objectwriter.cc
index 1e8dab70..fa31f763 100644
--- a/src/google/protobuf/util/internal/default_value_objectwriter.cc
+++ b/src/google/protobuf/util/internal/default_value_objectwriter.cc
@@ -165,7 +165,10 @@ DefaultValueObjectWriter* DefaultValueObjectWriter::RenderBytes(
   if (current_ == NULL) {
     ow_->RenderBytes(name, value);
   } else {
-    RenderDataPiece(name, DataPiece(value, false, true));
+    // Since StringPiece is essentially a pointer, takes a copy of "value" to
+    // avoid ownership issues.
+    string_values_.push_back(new string(value.ToString()));
+    RenderDataPiece(name, DataPiece(*string_values_.back(), false, true));
   }
   return this;
 }