WARNING: ThreadSanitizer: data race (pid=20727)
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Write of size 8 at 0x7b440005ff18 by thread T10 (mutexes: write M3761):
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#0 Checkpoint::setSnapshotEndSeqno(unsigned long) /home/couchbase/jenkins/workspace/kv_engine-threadsanitizer-master-gcc7/kv_engine/engines/ep/src/checkpoint.h:475 (ep-engine_ep_unit_tests+0x00000089bc36)
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#1 CheckpointManager::queueDirty(VBucket&, SingleThreadedRCPtr<Item, Item*, std::default_delete<Item> >&, GenerateBySeqno, GenerateCas, PreLinkDocumentContext*) /home/couchbase/jenkins/workspace/kv_engine-threadsanitizer-master-gcc7/kv_engine/engines/ep/src/checkpoint.cc:1238 (ep-engine_ep_unit_tests+0x00000089bc36)
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#2 launch_set_thread /home/couchbase/jenkins/workspace/kv_engine-threadsanitizer-master-gcc7/kv_engine/engines/ep/tests/module_tests/checkpoint_test.cc:214 (ep-engine_ep_unit_tests+0x000000499b5b)
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#3 CouchbaseThread::run() /home/couchbase/jenkins/workspace/kv_engine-threadsanitizer-master-gcc7/platform/src/cb_pthreads.cc:59 (libplatform_so.so.0.1.0+0x00000000974f)
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#4 platform_thread_wrap /home/couchbase/jenkins/workspace/kv_engine-threadsanitizer-master-gcc7/platform/src/cb_pthreads.cc:72 (libplatform_so.so.0.1.0+0x00000000974f)
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#5 <null> <null> (libtsan.so.0+0x000000024feb)
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Previous read of size 8 at 0x7b440005ff18 by thread T6:
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#0 std::__uniq_ptr_impl<Checkpoint, std::default_delete<Checkpoint> >::_M_ptr() const /usr/local/include/c++/7.3.0/bits/unique_ptr.h:147 (ep-engine_ep_unit_tests+0x0000008a1e39)
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#1 std::unique_ptr<Checkpoint, std::default_delete<Checkpoint> >::get() const /usr/local/include/c++/7.3.0/bits/unique_ptr.h:337 (ep-engine_ep_unit_tests+0x0000008a1e39)
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#2 std::unique_ptr<Checkpoint, std::default_delete<Checkpoint> >::operator->() const /usr/local/include/c++/7.3.0/bits/unique_ptr.h:331 (ep-engine_ep_unit_tests+0x0000008a1e39)
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#3 DebugCPM::check(char const*) /home/couchbase/jenkins/workspace/kv_engine-threadsanitizer-master-gcc7/kv_engine/engines/ep/src/checkpoint.cc:52 (ep-engine_ep_unit_tests+0x0000008a1e39)
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#4 DebugCPM::~DebugCPM() /home/couchbase/jenkins/workspace/kv_engine-threadsanitizer-master-gcc7/kv_engine/engines/ep/src/checkpoint.cc:47 (ep-engine_ep_unit_tests+0x0000008a192a)
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#5 CheckpointManager::removeClosedUnrefCheckpoints(VBucket&, bool&) /home/couchbase/jenkins/workspace/kv_engine-threadsanitizer-master-gcc7/kv_engine/engines/ep/src/checkpoint.cc:952 (ep-engine_ep_unit_tests+0x0000008a192a)
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#6 launch_checkpoint_cleanup_thread /home/couchbase/jenkins/workspace/kv_engine-threadsanitizer-master-gcc7/kv_engine/engines/ep/tests/module_tests/checkpoint_test.cc:195 (ep-engine_ep_unit_tests+0x000000498391)
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#7 CouchbaseThread::run() /home/couchbase/jenkins/workspace/kv_engine-threadsanitizer-master-gcc7/platform/src/cb_pthreads.cc:59 (libplatform_so.so.0.1.0+0x00000000974f)
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#8 platform_thread_wrap /home/couchbase/jenkins/workspace/kv_engine-threadsanitizer-master-gcc7/platform/src/cb_pthreads.cc:72 (libplatform_so.so.0.1.0+0x00000000974f)
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#9 <null> <null> (libtsan.so.0+0x000000024feb)
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Location is heap block of size 264 at 0x7b440005ff00 allocated by main thread:
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#0 operator new(unsigned long) <null> (libtsan.so.0+0x00000006a4d6)
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#1 __unique_if<Checkpoint>::__unique_single std::make_unique<Checkpoint, EPStats&, unsigned long&, unsigned long&, unsigned long&, unsigned short const&>(EPStats&, unsigned long&, unsigned long&, unsigned long&, unsigned short const&) /home/couchbase/jenkins/workspace/kv_engine-threadsanitizer-master-gcc7/platform/include/platform/make_unique.h:45 (ep-engine_ep_unit_tests+0x00000089ac6e)
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#2 CheckpointManager::addNewCheckpoint_UNLOCKED(unsigned long, unsigned long, unsigned long) /home/couchbase/jenkins/workspace/kv_engine-threadsanitizer-master-gcc7/kv_engine/engines/ep/src/checkpoint.cc:562 (ep-engine_ep_unit_tests+0x00000089ac6e)
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#3 CheckpointManager::CheckpointManager(EPStats&, unsigned short, CheckpointConfig&, long, unsigned long, unsigned long, std::shared_ptr<Callback<unsigned short> >) /home/couchbase/jenkins/workspace/kv_engine-threadsanitizer-master-gcc7/kv_engine/engines/ep/src/checkpoint.cc:471 (ep-engine_ep_unit_tests+0x00000089f711)
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#4 CheckpointTest_basic_chk_test_Test<EPVBucket>::TestBody() /home/couchbase/jenkins/workspace/kv_engine-threadsanitizer-master-gcc7/kv_engine/engines/ep/tests/module_tests/checkpoint_test.cc:241 (ep-engine_ep_unit_tests+0x0000004ab44c)
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#5 void testing::internal::HandleSehExceptionsInMethodIfSupported<testing::Test, void>(testing::Test*, void (testing::Test::*)(), char const*) /home/couchbase/jenkins/workspace/kv_engine-threadsanitizer-master-gcc7/googletest/googletest/src/gtest.cc:2402 (ep-engine_ep_unit_tests+0x000000b1e048)
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#6 void testing::internal::HandleExceptionsInMethodIfSupported<testing::Test, void>(testing::Test*, void (testing::Test::*)(), char const*) /home/couchbase/jenkins/workspace/kv_engine-threadsanitizer-master-gcc7/googletest/googletest/src/gtest.cc:2438 (ep-engine_ep_unit_tests+0x000000b1e048)
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#7 testing::Test::Run() /home/couchbase/jenkins/workspace/kv_engine-threadsanitizer-master-gcc7/googletest/googletest/src/gtest.cc:2474 (ep-engine_ep_unit_tests+0x000000b10f3b)
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#8 testing::TestInfo::Run() /home/couchbase/jenkins/workspace/kv_engine-threadsanitizer-master-gcc7/googletest/googletest/src/gtest.cc:2656 (ep-engine_ep_unit_tests+0x000000b115b7)
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#9 testing::TestCase::Run() /home/couchbase/jenkins/workspace/kv_engine-threadsanitizer-master-gcc7/googletest/googletest/src/gtest.cc:2774 (ep-engine_ep_unit_tests+0x000000b119f1)
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#10 testing::internal::UnitTestImpl::RunAllTests() /home/couchbase/jenkins/workspace/kv_engine-threadsanitizer-master-gcc7/googletest/googletest/src/gtest.cc:4649 (ep-engine_ep_unit_tests+0x000000b12708)
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#11 bool testing::internal::HandleSehExceptionsInMethodIfSupported<testing::internal::UnitTestImpl, bool>(testing::internal::UnitTestImpl*, bool (testing::internal::UnitTestImpl::*)(), char const*) /home/couchbase/jenkins/workspace/kv_engine-threadsanitizer-master-gcc7/googletest/googletest/src/gtest.cc:2402 (ep-engine_ep_unit_tests+0x000000b13005)
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#12 bool testing::internal::HandleExceptionsInMethodIfSupported<testing::internal::UnitTestImpl, bool>(testing::internal::UnitTestImpl*, bool (testing::internal::UnitTestImpl::*)(), char const*) /home/couchbase/jenkins/workspace/kv_engine-threadsanitizer-master-gcc7/googletest/googletest/src/gtest.cc:2438 (ep-engine_ep_unit_tests+0x000000b13005)
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#13 testing::UnitTest::Run() /home/couchbase/jenkins/workspace/kv_engine-threadsanitizer-master-gcc7/googletest/googletest/src/gtest.cc:4257 (ep-engine_ep_unit_tests+0x000000b13005)
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#14 RUN_ALL_TESTS() /home/couchbase/jenkins/workspace/kv_engine-threadsanitizer-master-gcc7/googletest/googletest/include/gtest/gtest.h:2237 (ep-engine_ep_unit_tests+0x000000434a3c)
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#15 main /home/couchbase/jenkins/workspace/kv_engine-threadsanitizer-master-gcc7/kv_engine/engines/ep/tests/module_tests/ep_unit_tests_main.cc:71 (ep-engine_ep_unit_tests+0x000000434a3c)
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Mutex M3761 (0x7b3000000b50) created at:
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#0 pthread_mutex_lock <null> (libtsan.so.0+0x00000003876f)
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#1 __gthread_mutex_lock /usr/local/include/c++/7.3.0/x86_64-pc-linux-gnu/bits/gthr-default.h:748 (ep-engine_ep_unit_tests+0x00000089f76a)
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#2 std::mutex::lock() /usr/local/include/c++/7.3.0/bits/std_mutex.h:103 (ep-engine_ep_unit_tests+0x00000089f76a)
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#3 std::lock_guard<std::mutex>::lock_guard(std::mutex&) /usr/local/include/c++/7.3.0/bits/std_mutex.h:162 (ep-engine_ep_unit_tests+0x00000089f76a)
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#4 CheckpointManager::CheckpointManager(EPStats&, unsigned short, CheckpointConfig&, long, unsigned long, unsigned long, std::shared_ptr<Callback<unsigned short> >) /home/couchbase/jenkins/workspace/kv_engine-threadsanitizer-master-gcc7/kv_engine/engines/ep/src/checkpoint.cc:470 (ep-engine_ep_unit_tests+0x00000089f76a)
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#5 CheckpointTest_basic_chk_test_Test<EPVBucket>::TestBody() /home/couchbase/jenkins/workspace/kv_engine-threadsanitizer-master-gcc7/kv_engine/engines/ep/tests/module_tests/checkpoint_test.cc:241 (ep-engine_ep_unit_tests+0x0000004ab44c)
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#6 void testing::internal::HandleSehExceptionsInMethodIfSupported<testing::Test, void>(testing::Test*, void (testing::Test::*)(), char const*) /home/couchbase/jenkins/workspace/kv_engine-threadsanitizer-master-gcc7/googletest/googletest/src/gtest.cc:2402 (ep-engine_ep_unit_tests+0x000000b1e048)
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#7 void testing::internal::HandleExceptionsInMethodIfSupported<testing::Test, void>(testing::Test*, void (testing::Test::*)(), char const*) /home/couchbase/jenkins/workspace/kv_engine-threadsanitizer-master-gcc7/googletest/googletest/src/gtest.cc:2438 (ep-engine_ep_unit_tests+0x000000b1e048)
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#8 testing::Test::Run() /home/couchbase/jenkins/workspace/kv_engine-threadsanitizer-master-gcc7/googletest/googletest/src/gtest.cc:2474 (ep-engine_ep_unit_tests+0x000000b10f3b)
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#9 testing::TestInfo::Run() /home/couchbase/jenkins/workspace/kv_engine-threadsanitizer-master-gcc7/googletest/googletest/src/gtest.cc:2656 (ep-engine_ep_unit_tests+0x000000b115b7)
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#10 testing::TestCase::Run() /home/couchbase/jenkins/workspace/kv_engine-threadsanitizer-master-gcc7/googletest/googletest/src/gtest.cc:2774 (ep-engine_ep_unit_tests+0x000000b119f1)
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#11 testing::internal::UnitTestImpl::RunAllTests() /home/couchbase/jenkins/workspace/kv_engine-threadsanitizer-master-gcc7/googletest/googletest/src/gtest.cc:4649 (ep-engine_ep_unit_tests+0x000000b12708)
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#12 bool testing::internal::HandleSehExceptionsInMethodIfSupported<testing::internal::UnitTestImpl, bool>(testing::internal::UnitTestImpl*, bool (testing::internal::UnitTestImpl::*)(), char const*) /home/couchbase/jenkins/workspace/kv_engine-threadsanitizer-master-gcc7/googletest/googletest/src/gtest.cc:2402 (ep-engine_ep_unit_tests+0x000000b13005)
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#13 bool testing::internal::HandleExceptionsInMethodIfSupported<testing::internal::UnitTestImpl, bool>(testing::internal::UnitTestImpl*, bool (testing::internal::UnitTestImpl::*)(), char const*) /home/couchbase/jenkins/workspace/kv_engine-threadsanitizer-master-gcc7/googletest/googletest/src/gtest.cc:2438 (ep-engine_ep_unit_tests+0x000000b13005)
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#14 testing::UnitTest::Run() /home/couchbase/jenkins/workspace/kv_engine-threadsanitizer-master-gcc7/googletest/googletest/src/gtest.cc:4257 (ep-engine_ep_unit_tests+0x000000b13005)
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#15 RUN_ALL_TESTS() /home/couchbase/jenkins/workspace/kv_engine-threadsanitizer-master-gcc7/googletest/googletest/include/gtest/gtest.h:2237 (ep-engine_ep_unit_tests+0x000000434a3c)
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#16 main /home/couchbase/jenkins/workspace/kv_engine-threadsanitizer-master-gcc7/kv_engine/engines/ep/tests/module_tests/ep_unit_tests_main.cc:71 (ep-engine_ep_unit_tests+0x000000434a3c)
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Thread T10 (tid=20751, running) created by main thread at:
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#0 pthread_create <null> (libtsan.so.0+0x0000000282a0)
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#1 cb_create_named_thread /home/couchbase/jenkins/workspace/kv_engine-threadsanitizer-master-gcc7/platform/src/cb_pthreads.cc:110 (libplatform_so.so.0.1.0+0x000000009447)
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#2 cb_create_thread /home/couchbase/jenkins/workspace/kv_engine-threadsanitizer-master-gcc7/platform/src/cb_pthreads.cc:82 (libplatform_so.so.0.1.0+0x0000000095a3)
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#3 CheckpointTest_basic_chk_test_Test<EPVBucket>::TestBody() /home/couchbase/jenkins/workspace/kv_engine-threadsanitizer-master-gcc7/kv_engine/engines/ep/tests/module_tests/checkpoint_test.cc:283 (ep-engine_ep_unit_tests+0x0000004ac063)
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#4 void testing::internal::HandleSehExceptionsInMethodIfSupported<testing::Test, void>(testing::Test*, void (testing::Test::*)(), char const*) /home/couchbase/jenkins/workspace/kv_engine-threadsanitizer-master-gcc7/googletest/googletest/src/gtest.cc:2402 (ep-engine_ep_unit_tests+0x000000b1e048)
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#5 void testing::internal::HandleExceptionsInMethodIfSupported<testing::Test, void>(testing::Test*, void (testing::Test::*)(), char const*) /home/couchbase/jenkins/workspace/kv_engine-threadsanitizer-master-gcc7/googletest/googletest/src/gtest.cc:2438 (ep-engine_ep_unit_tests+0x000000b1e048)
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#6 testing::Test::Run() /home/couchbase/jenkins/workspace/kv_engine-threadsanitizer-master-gcc7/googletest/googletest/src/gtest.cc:2474 (ep-engine_ep_unit_tests+0x000000b10f3b)
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#7 testing::TestInfo::Run() /home/couchbase/jenkins/workspace/kv_engine-threadsanitizer-master-gcc7/googletest/googletest/src/gtest.cc:2656 (ep-engine_ep_unit_tests+0x000000b115b7)
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#8 testing::TestCase::Run() /home/couchbase/jenkins/workspace/kv_engine-threadsanitizer-master-gcc7/googletest/googletest/src/gtest.cc:2774 (ep-engine_ep_unit_tests+0x000000b119f1)
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#9 testing::internal::UnitTestImpl::RunAllTests() /home/couchbase/jenkins/workspace/kv_engine-threadsanitizer-master-gcc7/googletest/googletest/src/gtest.cc:4649 (ep-engine_ep_unit_tests+0x000000b12708)
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#10 bool testing::internal::HandleSehExceptionsInMethodIfSupported<testing::internal::UnitTestImpl, bool>(testing::internal::UnitTestImpl*, bool (testing::internal::UnitTestImpl::*)(), char const*) /home/couchbase/jenkins/workspace/kv_engine-threadsanitizer-master-gcc7/googletest/googletest/src/gtest.cc:2402 (ep-engine_ep_unit_tests+0x000000b13005)
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#11 bool testing::internal::HandleExceptionsInMethodIfSupported<testing::internal::UnitTestImpl, bool>(testing::internal::UnitTestImpl*, bool (testing::internal::UnitTestImpl::*)(), char const*) /home/couchbase/jenkins/workspace/kv_engine-threadsanitizer-master-gcc7/googletest/googletest/src/gtest.cc:2438 (ep-engine_ep_unit_tests+0x000000b13005)
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#12 testing::UnitTest::Run() /home/couchbase/jenkins/workspace/kv_engine-threadsanitizer-master-gcc7/googletest/googletest/src/gtest.cc:4257 (ep-engine_ep_unit_tests+0x000000b13005)
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#13 RUN_ALL_TESTS() /home/couchbase/jenkins/workspace/kv_engine-threadsanitizer-master-gcc7/googletest/googletest/include/gtest/gtest.h:2237 (ep-engine_ep_unit_tests+0x000000434a3c)
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#14 main /home/couchbase/jenkins/workspace/kv_engine-threadsanitizer-master-gcc7/kv_engine/engines/ep/tests/module_tests/ep_unit_tests_main.cc:71 (ep-engine_ep_unit_tests+0x000000434a3c)
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Thread T6 (tid=20746, running) created by main thread at:
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#0 pthread_create <null> (libtsan.so.0+0x0000000282a0)
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#1 cb_create_named_thread /home/couchbase/jenkins/workspace/kv_engine-threadsanitizer-master-gcc7/platform/src/cb_pthreads.cc:110 (libplatform_so.so.0.1.0+0x000000009447)
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#2 cb_create_thread /home/couchbase/jenkins/workspace/kv_engine-threadsanitizer-master-gcc7/platform/src/cb_pthreads.cc:82 (libplatform_so.so.0.1.0+0x0000000095a3)
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#3 CheckpointTest_basic_chk_test_Test<EPVBucket>::TestBody() /home/couchbase/jenkins/workspace/kv_engine-threadsanitizer-master-gcc7/kv_engine/engines/ep/tests/module_tests/checkpoint_test.cc:272 (ep-engine_ep_unit_tests+0x0000004abe78)
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#4 void testing::internal::HandleSehExceptionsInMethodIfSupported<testing::Test, void>(testing::Test*, void (testing::Test::*)(), char const*) /home/couchbase/jenkins/workspace/kv_engine-threadsanitizer-master-gcc7/googletest/googletest/src/gtest.cc:2402 (ep-engine_ep_unit_tests+0x000000b1e048)
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#5 void testing::internal::HandleExceptionsInMethodIfSupported<testing::Test, void>(testing::Test*, void (testing::Test::*)(), char const*) /home/couchbase/jenkins/workspace/kv_engine-threadsanitizer-master-gcc7/googletest/googletest/src/gtest.cc:2438 (ep-engine_ep_unit_tests+0x000000b1e048)
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#6 testing::Test::Run() /home/couchbase/jenkins/workspace/kv_engine-threadsanitizer-master-gcc7/googletest/googletest/src/gtest.cc:2474 (ep-engine_ep_unit_tests+0x000000b10f3b)
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#7 testing::TestInfo::Run() /home/couchbase/jenkins/workspace/kv_engine-threadsanitizer-master-gcc7/googletest/googletest/src/gtest.cc:2656 (ep-engine_ep_unit_tests+0x000000b115b7)
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#8 testing::TestCase::Run() /home/couchbase/jenkins/workspace/kv_engine-threadsanitizer-master-gcc7/googletest/googletest/src/gtest.cc:2774 (ep-engine_ep_unit_tests+0x000000b119f1)
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#9 testing::internal::UnitTestImpl::RunAllTests() /home/couchbase/jenkins/workspace/kv_engine-threadsanitizer-master-gcc7/googletest/googletest/src/gtest.cc:4649 (ep-engine_ep_unit_tests+0x000000b12708)
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#10 bool testing::internal::HandleSehExceptionsInMethodIfSupported<testing::internal::UnitTestImpl, bool>(testing::internal::UnitTestImpl*, bool (testing::internal::UnitTestImpl::*)(), char const*) /home/couchbase/jenkins/workspace/kv_engine-threadsanitizer-master-gcc7/googletest/googletest/src/gtest.cc:2402 (ep-engine_ep_unit_tests+0x000000b13005)
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#11 bool testing::internal::HandleExceptionsInMethodIfSupported<testing::internal::UnitTestImpl, bool>(testing::internal::UnitTestImpl*, bool (testing::internal::UnitTestImpl::*)(), char const*) /home/couchbase/jenkins/workspace/kv_engine-threadsanitizer-master-gcc7/googletest/googletest/src/gtest.cc:2438 (ep-engine_ep_unit_tests+0x000000b13005)
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#12 testing::UnitTest::Run() /home/couchbase/jenkins/workspace/kv_engine-threadsanitizer-master-gcc7/googletest/googletest/src/gtest.cc:4257 (ep-engine_ep_unit_tests+0x000000b13005)
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#13 RUN_ALL_TESTS() /home/couchbase/jenkins/workspace/kv_engine-threadsanitizer-master-gcc7/googletest/googletest/include/gtest/gtest.h:2237 (ep-engine_ep_unit_tests+0x000000434a3c)
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#14 main /home/couchbase/jenkins/workspace/kv_engine-threadsanitizer-master-gcc7/kv_engine/engines/ep/tests/module_tests/ep_unit_tests_main.cc:71 (ep-engine_ep_unit_tests+0x000000434a3c)
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SUMMARY: ThreadSanitizer: data race /home/couchbase/jenkins/workspace/kv_engine-threadsanitizer-master-gcc7/kv_engine/engines/ep/src/checkpoint.h:475 in Checkpoint::setSnapshotEndSeqno(unsigned long)
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Bug
Critical