src/share/vm/runtime/thread.cpp

*** 2795,2804 ****
--- 2795,2805 ----
    _env   = NULL;
    _log   = NULL;
    _task  = NULL;
    _queue = queue;
    _counters = counters;
+   _buffer_blob = NULL;
  
  #ifndef PRODUCT
    _ideal_graph_printer = NULL;
  #endif
  }