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
/data/mci/261f65657bd114359a8e3a064d6e450e/bazel_cache/54c751a1c930d7b7fb2afe7fb4a68167/execroot/_main/src/mongo/db/repl/primary_only_service.cpp:467: MISSING_LOCK 147564 Accessing "this->this" without holding lock "mongo::repl::PrimaryOnlyService._mutex". Elsewhere, "mongo::repl::PrimaryOnlyService::onStepUp(mongo::repl::OpTime const &)::[lambda(mongo::Status) (instance 1)].this" is written to with "PrimaryOnlyService._mutex" held 1 out of 1 times.