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_migration_donor_service.cpp:489: MISSING_LOCK 168643 Accessing "this->this->_stateDoc" without holding lock "mongo::TenantMigrationDonorService::Instance._mutex". Elsewhere, "mongo::TenantMigrationDonorService::Instance._stateDoc" is written to with "Instance._mutex" held 9 out of 9 times.