WARNING: ThreadSanitizer: data race (pid=1025) Read of size 4 at 0x7d780000d8c8 by main thread: #0 mongo::LockManager::unlock(mongo::LockRequest*) /home/rassi/work/mongo/src/mongo/db/concurrency/lock_manager.cpp:570 (mongod+0x000001202c0b) #1 mongo::LockerImpl<true>::_unlockImpl(mongo::FastMapNoAlloc<mongo::ResourceId, mongo::LockRequest, 16>::IteratorImpl<mongo::FastMapNoAlloc<mongo::ResourceId, mongo::LockRequest, 16>, mongo::LockRequest>&) /home/rassi/work/mongo/src/mongo/db/concurrency/lock_state.cpp:764 (mongod+0x00000122ca73) #2 mongo::LockerImpl<true>::unlock(mongo::ResourceId) /home/rassi/work/mongo/src/mongo/db/concurrency/lock_state.h:434 (mongod+0x00000122d707) #3 mongo::LockerImpl<true>::endWriteUnitOfWork() /home/rassi/work/mongo/src/mongo/db/concurrency/lock_state.cpp:394 (mongod+0x00000122cf22) #4 mongo::WriteUnitOfWork::commit() /home/rassi/work/mongo/src/mongo/db/operation_context.h:167 (mongod+0x000000d07143) #5 mongo::MMAPV1DatabasCatalogEntry::_init(mongo::OperationContext*) /home/rassi/work/mongo/src/mongo/db/storage/mmap_v1/mmap_v1_database_catalog_entry.cpp:604 (mongod+0x000001c7befb) #6 mongo::MMAPV1DatabaseCatalogEntry::MMAPV1DatabaseCatalogEntry(mongo::OperationContext*, mongo::StringData, mongo::StringData, bool, bool) /home/rassi/work/mongo/src/mongo/db/storage/mmap_v1/mmap_v1_database_catalog_entry.cpp:185 (mongod+0x000001c79cb9) #7 mongo::MMAPV1Engine::getDatabaseCatalogEntry(mongo::OperationContext*, mongo::StringData) /home/rassi/work/mongo/src/mongo/db/storage/mmap_v1/mmap_v1_engine.cpp:267 (mongod+0x000001c9275a) #8 mongo::DatabaseHolder::openDb(mongo::OperationContext*, mongo::StringData, bool*) /home/rassi/work/mongo/src/mongo/db/catalog/database_holder.cpp:128 (mongod+0x000001055b20) #9 mongo::repairDatabasesAndCheckVersion() /home/rassi/work/mongo/src/mongo/db/db.cpp:372 (mongod+0x000000cf3f91) #10 mongo::_initAndListen(int) /home/rassi/work/mongo/src/mongo/db/db.cpp:538 (mongod+0x000000cefbab) #11 mongo::initAndListen(int) /home/rassi/work/mongo/src/mongo/db/db.cpp:639 (mongod+0x000000cee05c) #12 mongoDbMain(int, char**, char**) /home/rassi/work/mongo/src/mongo/db/db.cpp:885 (mongod+0x000000cf13a7) #13 main /home/rassi/work/mongo/src/mongo/db/db.cpp:688 (mongod+0x000000cf0d9d) Previous write of size 4 at 0x7d780000d8c8 by thread T4 (mutexes: write M1347, write M40, write M167): #0 mongo::LockHead::newRequest(mongo::LockRequest*, mongo::LockMode) /home/rassi/work/mongo/src/mongo/db/concurrency/lock_manager.cpp:219 (mongod+0x0000012094d8) #1 mongo::LockHead::migratePartitionedLockHeads() /home/rassi/work/mongo/src/mongo/db/concurrency/lock_manager.cpp:396 (mongod+0x0000011ffbd8) #2 mongo::LockManager::lock(mongo::ResourceId, mongo::LockRequest*, mongo::LockMode) /home/rassi/work/mongo/src/mongo/db/concurrency/lock_manager.cpp:479 (mongod+0x00000120142d) #3 mongo::LockerImpl<true>::lockBegin(mongo::ResourceId, mongo::LockMode) /home/rassi/work/mongo/src/mongo/db/concurrency/lock_state.h:665 (mongod+0x00000122a68a) #4 mongo::LockerImpl<true>::lock(mongo::ResourceId, mongo::LockMode, unsigned int, bool) /home/rassi/work/mongo/src/mongo/db/concurrency/lock_state.cpp:413 (mongod+0x00000122d3ab) #5 mongo::AutoAcquireFlushLockForMMAPV1Commit::AutoAcquireFlushLockForMMAPV1Commit(mongo::Locker*) /home/rassi/work/mongo/src/mongo/db/concurrency/lock_state.cpp:838 (mongod+0x000001225d68) #6 mongo::dur::durThread() /home/rassi/work/mongo/src/mongo/db/storage/mmap_v1/dur.cpp:737 (mongod+0x000001c14bcd) #7 boost::detail::thread_data<void (*)()>::run() /home/rassi/work/mongo/src/third_party/boost-1.56.0/boost/thread/detail/thread.hpp:115 (mongod+0x000001958f98) #8 boost::(anonymous namespace)::thread_proxy(void*) /home/rassi/work/mongo/src/third_party/boost-1.56.0/libs/thread/src/pthread/thread.cpp:173 (mongod+0x000002297af3) Location is heap block of size 2936 at 0x7d780000d800 allocated by main thread: #0 operator new(unsigned long) <null>:0 (mongod+0x000000c9269d) #1 mongo::(anonymous namespace)::newLocker() /home/rassi/work/mongo/src/mongo/db/client.cpp:82 (mongod+0x00000108c4b1) #2 mongo::Client::getLocker() /home/rassi/work/mongo/src/mongo/db/client.cpp:331 (mongod+0x00000108c44e) #3 mongo::OperationContextImpl::OperationContextImpl() /home/rassi/work/mongo/src/mongo/db/operation_context_impl.cpp:52 (mongod+0x0000015c48a3) #4 mongo::dur::replayJournalFilesAtStartup() /home/rassi/work/mongo/src/mongo/db/storage/mmap_v1/dur_recover.cpp:605 (mongod+0x000001c496f0) #5 mongo::dur::startup() /home/rassi/work/mongo/src/mongo/db/storage/mmap_v1/dur.cpp:898 (mongod+0x000001c13bc6) #6 mongo::MMAPV1Engine::finishInit() /home/rassi/work/mongo/src/mongo/db/storage/mmap_v1/mmap_v1_engine.cpp:235 (mongod+0x000001c91658) #7 mongo::GlobalEnvironmentMongoD::setGlobalStorageEngine(std::string const&) /home/rassi/work/mongo/src/mongo/db/global_environment_d.cpp:108 (mongod+0x0000014b4cfa) #8 mongo::_initAndListen(int) /home/rassi/work/mongo/src/mongo/db/db.cpp:464 (mongod+0x000000ceedf1) #9 mongo::initAndListen(int) /home/rassi/work/mongo/src/mongo/db/db.cpp:639 (mongod+0x000000cee05c) #10 mongoDbMain(int, char**, char**) /home/rassi/work/mongo/src/mongo/db/db.cpp:885 (mongod+0x000000cf13a7) #11 main /home/rassi/work/mongo/src/mongo/db/db.cpp:688 (mongod+0x000000cf0d9d) Mutex M1347 created at: #0 pthread_mutex_init <null>:0 (mongod+0x000000c961e0) #1 boost::mutex::mutex() /home/rassi/work/mongo/src/third_party/boost-1.56.0/boost/thread/pthread/mutex.hpp:101 (mongod+0x000000d14ced) #2 __cxx_global_var_init15 /home/rassi/work/mongo/src/mongo/db/storage/mmap_v1/dur.cpp:116 (mongod+0x000000c4a70c) #3 _GLOBAL__I_a /home/rassi/work/mongo/src/mongo/db/storage/mmap_v1/dur.cpp:354 (mongod+0x000000c4aa1c) #4 __libc_csu_init <null>:0 (mongod+0x00000356130c) Mutex M40 created at: #0 pthread_mutex_init <null>:0 (mongod+0x000000c961e0) #1 mongo::SimpleMutex::SimpleMutex(mongo::StringData) /home/rassi/work/mongo/src/mongo/util/concurrency/mutex.h:157 (mongod+0x000001029450) #2 mongo::LockManager::LockBucket::LockBucket() /home/rassi/work/mongo/src/mongo/db/concurrency/lock_manager.h:133 (mongod+0x0000012097d2) #3 mongo::LockManager::LockManager() /home/rassi/work/mongo/src/mongo/db/concurrency/lock_manager.cpp:420 (mongod+0x0000011ffe47) #4 __cxx_global_var_init40 /home/rassi/work/mongo/src/mongo/db/concurrency/lock_state.cpp:116 (mongod+0x000000c0222c) #5 _GLOBAL__I_a /home/rassi/work/mongo/src/mongo/db/concurrency/lock_state.cpp:354 (mongod+0x000000c0259a) #6 __libc_csu_init <null>:0 (mongod+0x00000356130c) Mutex M167 created at: #0 pthread_mutex_init <null>:0 (mongod+0x000000c961e0) #1 mongo::SimpleMutex::SimpleMutex(mongo::StringData) /home/rassi/work/mongo/src/mongo/util/concurrency/mutex.h:157 (mongod+0x000001029450) #2 mongo::LockManager::Partition::Partition() /home/rassi/work/mongo/src/mongo/db/concurrency/lock_manager.h:144 (mongod+0x000001209992) #3 mongo::LockManager::LockManager() /home/rassi/work/mongo/src/mongo/db/concurrency/lock_manager.cpp:421 (mongod+0x0000011ffed6) #4 __cxx_global_var_init40 /home/rassi/work/mongo/src/mongo/db/concurrency/lock_state.cpp:116 (mongod+0x000000c0222c) #5 _GLOBAL__I_a /home/rassi/work/mongo/src/mongo/db/concurrency/lock_state.cpp:354 (mongod+0x000000c0259a) #6 __libc_csu_init <null>:0 (mongod+0x00000356130c) Thread T4 (tid=1032, running) created by main thread at: #0 pthread_create <null>:0 (mongod+0x000000c95b51) #1 boost::thread::start_thread_noexcept() /home/rassi/work/mongo/src/third_party/boost-1.56.0/libs/thread/src/pthread/thread.cpp:255 (mongod+0x0000022979a6) #2 boost::thread::start_thread() /home/rassi/work/mongo/src/third_party/boost-1.56.0/boost/thread/detail/thread.hpp:178 (mongod+0x000000d0f3d0) #3 boost::thread::thread<void (&)()>(void (&)()) /home/rassi/work/mongo/src/third_party/boost-1.56.0/boost/thread/detail/thread.hpp:265 (mongod+0x0000019580cf) #4 mongo::dur::(anonymous namespace)::DurableImpl::start() /home/rassi/work/mongo/src/mongo/db/storage/mmap_v1/dur.cpp:620 (mongod+0x000001c141bf) #5 mongo::dur::startup() /home/rassi/work/mongo/src/mongo/db/storage/mmap_v1/dur.cpp:915 (mongod+0x000001c14037) #6 mongo::MMAPV1Engine::finishInit() /home/rassi/work/mongo/src/mongo/db/storage/mmap_v1/mmap_v1_engine.cpp:235 (mongod+0x000001c91658) #7 mongo::GlobalEnvironmentMongoD::setGlobalStorageEngine(std::string const&) /home/rassi/work/mongo/src/mongo/db/global_environment_d.cpp:108 (mongod+0x0000014b4cfa) #8 mongo::_initAndListen(int) /home/rassi/work/mongo/src/mongo/db/db.cpp:464 (mongod+0x000000ceedf1) #9 mongo::initAndListen(int) /home/rassi/work/mongo/src/mongo/db/db.cpp:639 (mongod+0x000000cee05c) #10 mongoDbMain(int, char**, char**) /home/rassi/work/mongo/src/mongo/db/db.cpp:885 (mongod+0x000000cf13a7) #11 main /home/rassi/work/mongo/src/mongo/db/db.cpp:688 (mongod+0x000000cf0d9d) SUMMARY: ThreadSanitizer: data race /home/rassi/work/mongo/src/mongo/db/concurrency/lock_manager.cpp:570 mongo::LockManager::unlock(mongo::LockRequest*)