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/wait_for_majority_service.cpp:155: MISSING_LOCK 144891 Accessing "request.second->result" without holding lock "mongo::ClientStrand._mutex". Elsewhere, "mongo::WaitForMajorityServiceImplBase::Request.result" is written to with "ClientStrand._mutex" held 2 out of 3 times.