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/3b34054db808e84e865ea3adc167bb30/bazel_cache/8efb34a963653a257fe76e59a8ff65e9/execroot/_main/src/mongo/db/s/set_allow_migrations_coordinator.cpp:90: MISSING_LOCK 156605 Accessing "this->_doc" without holding lock "mongo::ShardingDDLCoordinatorImpl<mongo::SetAllowMigrationsCoordinatorDocument>._docMutex". Elsewhere, "mongo::ShardingDDLCoordinatorImpl<mongo::SetAllowMigrationsCoordinatorDocument>._doc" is written to with "ShardingDDLCoordinatorImpl._docMutex" held 1 out of 1 times.