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/4fce031de9267fb3c47945a835ecc176/bazel_cache/e4de32cbb3cd53654b52f9247a499e3e/execroot/_main/src/mongo/executor/connection_pool.cpp:274: MISSING_LOCK 145502 Accessing "<anonymous>.cb" without holding lock "mongo::executor::ConnectionPool._mutex". Elsewhere, "auto mongo::executor::ConnectionPool::SpecificPool::guardCallback<mongo::executor::ConnectionPool::SpecificPool::addToReady(std::shared_ptr<mongo::executor::ConnectionPool::ConnectionInterface>)::[lambda() (instance 1)]>(mongo::executor::ConnectionPool::SpecificPool::addToReady(std::shared_ptr<mongo::executor::ConnectionPool::ConnectionInterface>)::[lambda() (instance 1)] &&)::[lambda(T1 &&...) (instance 1)].cb" is written to with "ConnectionPool._mutex" held 1 out of 1 times.