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.h:148: MISSING_LOCK 151962 Accessing "this->_initialDonorStateDurablePromise" without holding lock "mongo::TenantMigrationDonorService::Instance._mutex". Elsewhere, "mongo::TenantMigrationDonorService::Instance._initialDonorStateDurablePromise" is written to with "Instance._mutex" held 4 out of 4 times.