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/tenant_collection_cloner.cpp:633: MISSING_LOCK 154116 Accessing "this->documentsCopied" without holding lock "mongo::repl::BaseCloner._mutex". Elsewhere, "mongo::repl::TenantCollectionCloner::Stats.documentsCopied" is written to with "BaseCloner._mutex" held 2 out of 3 times (2 of these accesses strongly imply that it is necessary).