In the following files, there exist executors that may not be properly shutdown by calling both join and shutdown.

• db/repl/tenant_migration_access_blocker_registry.cpp
  • 312,37:     _asyncBlockingOperationsExecutor->startup();
• db/serverless/shard_split_donor_service.cpp
  • 269,24:     _markKilledExecutor->startup();

To reference the full list of files/executors combed, please refer to the linked BF ticket.