TSan: Intermittent error in 'EPBucketTest.test_mb20751_deadlock_on_disconnect_delete'

[ RUN      ] EPBucketTest.test_mb20751_deadlock_on_disconnect_delete

==================

WARNING: ThreadSanitizer: data race (pid=26423)

  Write of size 8 at 0x7b5c00003280 by thread T29 (mutexes: write M237700377972048472):

    #0 std::enable_if<std::__and_<std::__not_<std::__is_tuple_like<BackfillManager*> >, std::is_move_constructible<BackfillManager*>, std::is_move_assignable<BackfillManager*> >::value, void>::type std::swap<BackfillManager*>(BackfillManager*&, BackfillManager*&) /usr/local/include/c++/7.3.0/bits/move.h:200 (ep-engine_ep_unit_tests+0x0000009a8e35)

    #1 std::__shared_ptr<BackfillManager, (__gnu_cxx::_Lock_policy)2>::swap(std::__shared_ptr<BackfillManager, (__gnu_cxx::_Lock_policy)2>&) /usr/local/include/c++/7.3.0/bits/shared_ptr_base.h:1274 (ep-engine_ep_unit_tests+0x0000009a8e35)

    #2 std::__shared_ptr<BackfillManager, (__gnu_cxx::_Lock_policy)2>::reset() /usr/local/include/c++/7.3.0/bits/shared_ptr_base.h:1235 (ep-engine_ep_unit_tests+0x0000009a8e35)

    #3 DcpProducer::closeAllStreams() /home/couchbase/jenkins/workspace/kv_engine-threadsanitizer-master/kv_engine/engines/ep/src/dcp/producer.cc:1107 (ep-engine_ep_unit_tests+0x0000009a8e35)

    #4 DcpConnMap::disconnect(void const*) /home/couchbase/jenkins/workspace/kv_engine-threadsanitizer-master/kv_engine/engines/ep/src/dcp/dcpconnmap.cc:309 (ep-engine_ep_unit_tests+0x00000098ce6f)

    #5 EventuallyPersistentEngine::handleDisconnect(void const*) /home/couchbase/jenkins/workspace/kv_engine-threadsanitizer-master/kv_engine/engines/ep/src/ep_engine.cc:5684 (ep-engine_ep_unit_tests+0x0000009cb9f2)

    #6 operator() /home/couchbase/jenkins/workspace/kv_engine-threadsanitizer-master/kv_engine/engines/ep/tests/module_tests/evp_store_test.cc:75 (ep-engine_ep_unit_tests+0x000000659b34)

    #7 __invoke_impl<void, EPBucketTest_test_mb20751_deadlock_on_disconnect_delete_Test::TestBody()::<lambda()> > /usr/local/include/c++/7.3.0/bits/invoke.h:60 (ep-engine_ep_unit_tests+0x000000659b34)

    #8 __invoke<EPBucketTest_test_mb20751_deadlock_on_disconnect_delete_Test::TestBody()::<lambda()> > /usr/local/include/c++/7.3.0/bits/invoke.h:95 (ep-engine_ep_unit_tests+0x000000659b34)

    #9 _M_invoke<0> /usr/local/include/c++/7.3.0/thread:234 (ep-engine_ep_unit_tests+0x000000659b34)

    #10 operator() /usr/local/include/c++/7.3.0/thread:243 (ep-engine_ep_unit_tests+0x000000659b34)

    #11 _M_run /usr/local/include/c++/7.3.0/thread:186 (ep-engine_ep_unit_tests+0x000000659b34)

    #12 execute_native_thread_routine /tmp/deploy/objdir/../gcc-7.3.0/libstdc++-v3/src/c++11/thread.cc:83 (libstdc++.so.6+0x0000000b995e)

  Previous write of size 8 at 0x7b5c00003280 by main thread:

    #0 std::enable_if<std::__and_<std::__not_<std::__is_tuple_like<BackfillManager*> >, std::is_move_constructible<BackfillManager*>, std::is_move_assignable<BackfillManager*> >::value, void>::type std::swap<BackfillManager*>(BackfillManager*&, BackfillManager*&) /usr/local/include/c++/7.3.0/bits/move.h:200 (ep-engine_ep_unit_tests+0x0000009a8e35)

    #1 std::__shared_ptr<BackfillManager, (__gnu_cxx::_Lock_policy)2>::swap(std::__shared_ptr<BackfillManager, (__gnu_cxx::_Lock_policy)2>&) /usr/local/include/c++/7.3.0/bits/shared_ptr_base.h:1274 (ep-engine_ep_unit_tests+0x0000009a8e35)

    #2 std::__shared_ptr<BackfillManager, (__gnu_cxx::_Lock_policy)2>::reset() /usr/local/include/c++/7.3.0/bits/shared_ptr_base.h:1235 (ep-engine_ep_unit_tests+0x0000009a8e35)

    #3 DcpProducer::closeAllStreams() /home/couchbase/jenkins/workspace/kv_engine-threadsanitizer-master/kv_engine/engines/ep/src/dcp/producer.cc:1107 (ep-engine_ep_unit_tests+0x0000009a8e35)

    #4 DcpConnMap::closeStreams(std::unordered_map<void const*, std::shared_ptr<ConnHandler>, std::hash<void const*>, std::equal_to<void const*>, std::allocator<std::pair<void const* const, std::shared_ptr<ConnHandler> > > >&) /home/couchbase/jenkins/workspace/kv_engine-threadsanitizer-master/kv_engine/engines/ep/src/dcp/dcpconnmap.cc:245 (ep-engine_ep_unit_tests+0x00000098ad5d)

    #5 DcpConnMap::shutdownAllConnections() /home/couchbase/jenkins/workspace/kv_engine-threadsanitizer-master/kv_engine/engines/ep/src/dcp/dcpconnmap.cc:199 (ep-engine_ep_unit_tests+0x00000098bf8d)

    #6 EventuallyPersistentEngine::handleDeleteBucket(void const*) /home/couchbase/jenkins/workspace/kv_engine-threadsanitizer-master/kv_engine/engines/ep/src/ep_engine.cc:5711 (ep-engine_ep_unit_tests+0x0000009e6fc3)

    #7 EPBucketTest_test_mb20751_deadlock_on_disconnect_delete_Test::TestBody() /home/couchbase/jenkins/workspace/kv_engine-threadsanitizer-master/kv_engine/engines/ep/tests/module_tests/evp_store_test.cc:80 (ep-engine_ep_unit_tests+0x00000065bc49)

    #8 void testing::internal::HandleSehExceptionsInMethodIfSupported<testing::Test, void>(testing::Test*, void (testing::Test::*)(), char const*) /home/couchbase/jenkins/workspace/kv_engine-threadsanitizer-master/googletest/googletest/src/gtest.cc:2402 (ep-engine_ep_unit_tests+0x000000bb4db7)

    #9 void testing::internal::HandleExceptionsInMethodIfSupported<testing::Test, void>(testing::Test*, void (testing::Test::*)(), char const*) /home/couchbase/jenkins/workspace/kv_engine-threadsanitizer-master/googletest/googletest/src/gtest.cc:2438 (ep-engine_ep_unit_tests+0x000000bbbdf4)

    #10 testing::Test::Run() /home/couchbase/jenkins/workspace/kv_engine-threadsanitizer-master/googletest/googletest/src/gtest.cc:2474 (ep-engine_ep_unit_tests+0x000000baac55)

    #11 testing::TestInfo::Run() /home/couchbase/jenkins/workspace/kv_engine-threadsanitizer-master/googletest/googletest/src/gtest.cc:2656 (ep-engine_ep_unit_tests+0x000000baaf29)

    #12 testing::TestCase::Run() /home/couchbase/jenkins/workspace/kv_engine-threadsanitizer-master/googletest/googletest/src/gtest.cc:2774 (ep-engine_ep_unit_tests+0x000000bab0d1)

    #13 testing::internal::UnitTestImpl::RunAllTests() /home/couchbase/jenkins/workspace/kv_engine-threadsanitizer-master/googletest/googletest/src/gtest.cc:4649 (ep-engine_ep_unit_tests+0x000000bad44a)

    #14 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/googletest/googletest/src/gtest.cc:2402 (ep-engine_ep_unit_tests+0x000000bb50da)

    #15 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/googletest/googletest/src/gtest.cc:2438 (ep-engine_ep_unit_tests+0x000000bbc3a8)

    #16 testing::UnitTest::Run() /home/couchbase/jenkins/workspace/kv_engine-threadsanitizer-master/googletest/googletest/src/gtest.cc:4257 (ep-engine_ep_unit_tests+0x000000baad4d)

    #17 RUN_ALL_TESTS() /home/couchbase/jenkins/workspace/kv_engine-threadsanitizer-master/googletest/googletest/include/gtest/gtest.h:2237 (ep-engine_ep_unit_tests+0x00000060141c)

    #18 main /home/couchbase/jenkins/workspace/kv_engine-threadsanitizer-master/kv_engine/engines/ep/tests/module_tests/ep_unit_tests_main.cc:76 (ep-engine_ep_unit_tests+0x00000060141c)