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/12589613ae961649d349d5c17866df2a/bazel_cache/c5778557a13dc68b3dc104090c678ab1/execroot/_main/src/mongo/db/server_parameter.cpp:197: MISSING_LOCK 173570 Accessing "this->_featureFlag" without holding lock "mongo::ServerParameter._mutex". Elsewhere, "mongo::ServerParameter._featureFlag" is written to with "ServerParameter._mutex" held 1 out of 1 times (1 of these accesses strongly imply that it is necessary).