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_recipient_service.cpp:1839: MISSING_LOCK 149661 Accessing "this->_receivedRecipientForgetMigrationPromise" without holding lock "mongo::repl::TenantMigrationRecipientService::Instance._mutex". Elsewhere, "mongo::repl::TenantMigrationRecipientService::Instance._receivedRecipientForgetMigrationPromise" is written to with "Instance._mutex" held 5 out of 5 times.