Data race condition

The value of the shared data will be determined by the interleaving of thread execution. Thread shared data is accessed without holding an appropriate lock, possibly causing a race condition
/src/mongo/db/repl/reporter.cpp:430: MISSING_LOCK 144509 Accessing "this->_status" without holding lock "mongo::repl::Reporter._mutex". Elsewhere, "mongo::repl::Reporter._status" is written to with "Reporter._mutex" held 8 out of 9 times.