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/modules/enterprise/src/fcbis/backup_file_cloner.cpp:118: MISSING_LOCK 155144 Accessing "this->_localFile" without holding lock "mongo::repl::BaseCloner._mutex". Elsewhere, "mongo::repl::BackupFileCloner._localFile" is written to with "BaseCloner._mutex" held 1 out of 1 times.