message: Ensure BufferErrorReporter always has null-terminated string
diff: @@ -49,6 +49,7 @@ BufferErrorReporter::BufferErrorReporter(JNIEnv* env, int limit) {
  limit);
  return;
  }
  + buffer_[0] = '\0';
  start_idx_ = 0;
  end_idx_ = limit - 1;
  }
  