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/default_baton.cpp:189: MISSING_LOCK 142654 Accessing "this->_scheduled" without holding lock "mongo::DefaultBaton._mutex". Elsewhere, "mongo::DefaultBaton._scheduled" is written to with "DefaultBaton._mutex" held 2 out of 3 times.