Test have been failing for a while on the Linux TSan Tests bot: https://build.chromium.org/p/chromium.memory.full/builders/Linux%20TSan%20Tests
content_browsertests fail with the following error:
WARNING: ThreadSanitizer: lock-order-inversion (potential deadlock) (pid=23850)
Cycle in lock order graph: M2778 (0x7b140002d2e8) => M2772 (0x7b0c00030b10) => M2778
Mutex M2772 acquired here while holding mutex M2778 in thread T12:
#0 pthread_mutex_lock <null> (content_browsertests+0x0000004cc8be)
#1 base::internal::LockImpl::Lock() base/synchronization/lock_impl_posix.cc:64:12 (content_browsertests+0x000002939605)
#2 Acquire base/synchronization/lock.h:26:26 (content_browsertests+0x00000259487d)
#3 MayAutoLock mojo/public/cpp/bindings/lib/may_auto_lock.h:17 (content_browsertests+0x00000259487d)
#4 mojo::Connector::Accept(mojo::Message*) mojo/public/cpp/bindings/lib/connector.cc:121 (content_browsertests+0x00000259487d)
#5 mojo::internal::MultiplexRouter::InterfaceEndpoint::SendMessage(mojo::Message*) mojo/public/cpp/bindings/lib/multiplex_router.cc:129:32 (content_browsertests+0x00000259f282)
#6 mojo::InterfaceEndpointClient::Accept(mojo::Message*) mojo/public/cpp/bindings/lib/interface_endpoint_client.cc:218:23 (content_browsertests+0x00000259770f)
#7 mojo::(anonymous namespace)::ResponderThunk::Accept(mojo::Message*) mojo/public/cpp/bindings/lib/interface_endpoint_client.cc:79:34 (content_browsertests+0x000002598271)
#8 service_manager::mojom::Service_OnConnect_ProxyToResponder::Run() out/Release/gen/services/service_manager/public/interfaces/service.mojom.cc:343:25 (content_browsertests+0x000000ca6737)
#9 Invoke<std::__1::unique_ptr<service_manager::mojom::Service_OnConnect_ProxyToResponder, std::__1::default_delete<service_manager::mojom::Service_OnConnect_ProxyToResponder> >> base/bind_internal.h:214:12 (content_browsertests+0x000000ca7b38)
#10 MakeItSo<void (service_manager::mojom::Service_OnConnect_ProxyToResponder::*const &)(), std::__1::unique_ptr<service_manager::mojom::Service_OnConnect_ProxyToResponder, std::__1::default_delete<service_manager::mojom::Service_OnConnect_ProxyToResponder> > > base/bind_internal.h:285 (content_browsertests+0x000000ca7b38)
#11 RunImpl<void (service_manager::mojom::Service_OnConnect_ProxyToResponder::*const &)(), const std::__1::tuple<base::internal::PassedWrapper<std::__1::unique_ptr<service_manager::mojom::Service_OnConnect_ProxyToResponder, std::__1::default_delete<service_manager::mojom::Service_OnConnect_ProxyToResponder> > > > &, 0> base/bind_internal.h:361 (content_browsertests+0x000000ca7b38)
#12 base::internal::Invoker<base::internal::BindState<void (service_manager::mojom::Service_OnConnect_ProxyToResponder::*)(), base::internal::PassedWrapper<std::__1::unique_ptr<service_manager::mojom::Service_OnConnect_ProxyToResponder, std::__1::default_delete<service_manager::mojom::Service_OnConnect_ProxyToResponder> > > >, void ()>::Run(base::internal::BindStateBase*) base/bind_internal.h:339 (content_browsertests+0x000000ca7b38)
#13 Run base/callback.h:64:12 (content_browsertests+0x000003ba148e)
#14 service_manager::ServiceContext::OnConnect(service_manager::ServiceInfo const&, mojo::InterfaceRequest<service_manager::mojom::InterfaceProvider>, base::Callback<void (), (base::internal::CopyMode)1, (base::internal::RepeatMode)1> const&) services/service_manager/public/cpp/lib/service_context.cc:104 (content_browsertests+0x000003ba148e)
#15 service_manager::mojom::ServiceStubDispatch::AcceptWithResponder(service_manager::mojom::Service*, mojo::internal::SerializationContext*, mojo::Message*, mojo::MessageReceiverWithStatus*) out/Release/gen/services/service_manager/public/interfaces/service.mojom.cc:440:13 (content_browsertests+0x000000ca6b3b)
#16 service_manager::mojom::ServiceStub<mojo::RawPtrImplRefTraits<service_manager::mojom::Service> >::AcceptWithResponder(mojo::Message*, mojo::MessageReceiverWithStatus*) out/Release/gen/services/service_manager/public/interfaces/service.mojom.h:158:12 (content_browsertests+0x000003ba1aaf)
#17 mojo::InterfaceEndpointClient::HandleValidatedMessage(mojo::Message*) mojo/public/cpp/bindings/lib/interface_endpoint_client.cc:314:32 (content_browsertests+0x000002596d41)
#18 mojo::InterfaceEndpointClient::HandleIncomingMessageThunk::Accept(mojo::Message*) mojo/public/cpp/bindings/lib/interface_endpoint_client.cc:128:18 (content_browsertests+0x000002596b0a)
#19 mojo::FilterChain::Accept(mojo::Message*) mojo/public/cpp/bindings/lib/filter_chain.cc:40:17 (content_browsertests+0x00000259657d)
#20 mojo::InterfaceEndpointClient::HandleIncomingMessage(mojo::Message*) mojo/public/cpp/bindings/lib/interface_endpoint_client.cc:273:19 (content_browsertests+0x000002597c64)
#21 mojo::internal::MultiplexRouter::ProcessIncomingMessage(mojo::Message*, mojo::internal::MultiplexRouter::ClientCallBehavior, base::SingleThreadTaskRunner*) mojo/public/cpp/bindings/lib/multiplex_router.cc:829:22 (content_browsertests+0x00000259ddec)
#22 mojo::internal::MultiplexRouter::Accept(mojo::Message*) mojo/public/cpp/bindings/lib/multiplex_router.cc:539:25 (content_browsertests+0x00000259d6c5)
#23 mojo::FilterChain::Accept(mojo::Message*) mojo/public/cpp/bindings/lib/filter_chain.cc:40:17 (content_browsertests+0x00000259657d)
#24 mojo::Connector::ReadSingleMessage(unsigned int*) mojo/public/cpp/bindings/lib/connector.cc:247:51 (content_browsertests+0x000002594775)
#25 ReadAllAvailableMessages mojo/public/cpp/bindings/lib/connector.cc:272:10 (content_browsertests+0x000002594b87)
#26 OnHandleReadyInternal mojo/public/cpp/bindings/lib/connector.cc:205 (content_browsertests+0x000002594b87)
#27 mojo::Connector::OnWatcherHandleReady(unsigned int) mojo/public/cpp/bindings/lib/connector.cc:183 (content_browsertests+0x000002594b87)
#28 Invoke<mojo::Connector *, unsigned int> base/bind_internal.h:214:12 (content_browsertests+0x000002594d34)
#29 MakeItSo<void (mojo::Connector::*const &)(unsigned int), mojo::Connector *, unsigned int> base/bind_internal.h:285 (content_browsertests+0x000002594d34)
#30 RunImpl<void (mojo::Connector::*const &)(unsigned int), const std::__1::tuple<base::internal::UnretainedWrapper<mojo::Connector> > &, 0> base/bind_internal.h:361 (content_browsertests+0x000002594d34)
#31 base::internal::Invoker<base::internal::BindState<void (mojo::Connector::*)(unsigned int), base::internal::UnretainedWrapper<mojo::Connector> >, void (unsigned int)>::Run(base::internal::BindStateBase*, unsigned int&&) base/bind_internal.h:339 (content_browsertests+0x000002594d34)
#32 Run base/callback.h:64:12 (content_browsertests+0x000002b93229)
#33 OnHandleReady mojo/public/cpp/system/watcher.cc:122 (content_browsertests+0x000002b93229)
#34 mojo::Watcher::CallOnHandleReady(unsigned long, unsigned int, MojoHandleSignalsState, unsigned int) mojo/public/cpp/system/watcher.cc:142 (content_browsertests+0x000002b93229)
#35 mojo::edk::(anonymous namespace)::CallWatchCallback(void (*)(unsigned long, unsigned int, MojoHandleSignalsState, unsigned int), unsigned long, unsigned int, mojo::edk::HandleSignalsState const&, unsigned int) mojo/edk/system/core.cc:57:3 (content_browsertests+0x000002559ebc)
#36 Invoke<void (*const &)(unsigned long, unsigned int, MojoHandleSignalsState, unsigned int), const unsigned long &, unsigned int, const mojo::edk::HandleSignalsState &, unsigned int> base/bind_internal.h:164:12 (content_browsertests+0x00000255e60d)
#37 MakeItSo<void (*const &)(void (*)(unsigned long, unsigned int, MojoHandleSignalsState, unsigned int), unsigned long, unsigned int, const mojo::edk::HandleSignalsState &, unsigned int), void (*const &)(unsigned long, unsigned int, MojoHandleSignalsState, unsigned int), const unsigned long &, unsigned int, const mojo::edk::HandleSignalsState &, unsigned int> base/bind_internal.h:285 (content_browsertests+0x00000255e60d)
#38 RunImpl<void (*const &)(void (*)(unsigned long, unsigned int, MojoHandleSignalsState, unsigned int), unsigned long, unsigned int, const mojo::edk::HandleSignalsState &, unsigned int), const std::__1::tuple<void (*)(unsigned long, unsigned int, MojoHandleSignalsState, unsigned int), unsigned long> &, 0, 1> base/bind_internal.h:361 (content_browsertests+0x00000255e60d)
#39 base::internal::Invoker<base::internal::BindState<void (*)(void (*)(unsigned long, unsigned int, MojoHandleSignalsState, unsigned int), unsigned long, unsigned int, mojo::edk::HandleSignalsState const&, unsigned int), void (*)(unsigned long, unsigned int, MojoHandleSignalsState, unsigned int), unsigned long>, void (unsigned int, mojo::edk::HandleSignalsState const&, unsigned int)>::Run(base::internal::BindStateBase*, unsigned int&&, mojo::edk::HandleSignalsState const&, unsigned int&&) base/bind_internal.h:339 (content_browsertests+0x00000255e60d)
#40 Run base/callback.h:64:12 (content_browsertests+0x000002585c89)
#41 mojo::edk::Watcher::MaybeInvokeCallback(unsigned int, mojo::edk::HandleSignalsState const&, unsigned int) mojo/edk/system/watcher.cc:24 (content_browsertests+0x000002585c89)
#42 mojo::edk::RequestContext::~RequestContext() mojo/edk/system/request_context.cc:59:22 (content_browsertests+0x00000257d068)
#43 mojo::edk::RequestContext::~RequestContext() mojo/edk/system/request_context.cc:60:5 (content_browsertests+0x00000257d073)
#44 mojo::edk::NodeChannel::OnChannelMessage(void const*, unsigned long, std::__1::unique_ptr<std::__1::vector<mojo::edk::PlatformHandle, std::__1::allocator<mojo::edk::PlatformHandle> >, mojo::edk::PlatformHandleVectorDeleter>) mojo/edk/system/node_channel.cc:766:1 (content_browsertests+0x000002590c90)
#45 mojo::edk::Channel::OnReadComplete(unsigned long, unsigned long*) mojo/edk/system/channel.cc:563:18 (content_browsertests+0x00000258984b)
#46 mojo::edk::(anonymous namespace)::ChannelPosix::OnFileCanReadWithoutBlocking(int) mojo/edk/system/channel_posix.cc:314:14 (content_browsertests+0x00000258bcee)
#47 non-virtual thunk to mojo::edk::(anonymous namespace)::ChannelPosix::OnFileCanReadWithoutBlocking(int) mojo/edk/system/channel_posix.cc:274:8 (content_browsertests+0x00000258bf54)
#48 OnFileCanReadWithoutBlocking base/message_loop/message_pump_libevent.cc:96:13 (content_browsertests+0x0000028fe484)
#49 base::MessagePumpLibevent::OnLibeventNotification(int, short, void*) base/message_loop/message_pump_libevent.cc:337 (content_browsertests+0x0000028fe484)
#50 event_process_active base/third_party/libevent/event.c:381:4 (content_browsertests+0x0000029a5695)
#51 event_base_loop base/third_party/libevent/event.c:521 (content_browsertests+0x0000029a5695)
#52 base::MessagePumpLibevent::Run(base::MessagePump::Delegate*) base/message_loop/message_pump_libevent.cc:222:5 (content_browsertests+0x0000028fe688)
#53 base::MessageLoop::RunHandler() base/message_loop/message_loop.cc:378:10 (content_browsertests+0x0000028f84cb)
#54 base::RunLoop::Run() base/run_loop.cc:35:10 (content_browsertests+0x0000029237d9)
#55 base::Thread::Run(base::RunLoop*) base/threading/thread.cc:245:13 (content_browsertests+0x000002950849)
#56 content::BrowserThreadImpl::IOThreadRun(base::RunLoop*) content/browser/browser_thread_impl.cc:253:11 (content_browsertests+0x000001e13dcf)
#57 content::BrowserThreadImpl::Run(base::RunLoop*) content/browser/browser_thread_impl.cc:288:14 (content_browsertests+0x000001e13ff2)
#58 base::Thread::ThreadMain() base/threading/thread.cc:333:3 (content_browsertests+0x000002950aa4)
#59 base::(anonymous namespace)::ThreadFunc(void*) base/threading/platform_thread_posix.cc:71:13 (content_browsertests+0x000002949e8d)
Mutex M2778 previously acquired by the same thread here:
#0 pthread_mutex_lock <null> (content_browsertests+0x0000004cc8be)
#1 base::internal::LockImpl::Lock() base/synchronization/lock_impl_posix.cc:64:12 (content_browsertests+0x000002939605)
#2 Acquire base/synchronization/lock.h:26:26 (content_browsertests+0x000002585c31)
#3 AutoLock base/synchronization/lock.h:115 (content_browsertests+0x000002585c31)
#4 mojo::edk::Watcher::MaybeInvokeCallback(unsigned int, mojo::edk::HandleSignalsState const&, unsigned int) mojo/edk/system/watcher.cc:20 (content_browsertests+0x000002585c31)
#5 mojo::edk::RequestContext::~RequestContext() mojo/edk/system/request_context.cc:59:22 (content_browsertests+0x00000257d068)
#6 mojo::edk::RequestContext::~RequestContext() mojo/edk/system/request_context.cc:60:5 (content_browsertests+0x00000257d073)
#7 mojo::edk::NodeChannel::OnChannelMessage(void const*, unsigned long, std::__1::unique_ptr<std::__1::vector<mojo::edk::PlatformHandle, std::__1::allocator<mojo::edk::PlatformHandle> >, mojo::edk::PlatformHandleVectorDeleter>) mojo/edk/system/node_channel.cc:766:1 (content_browsertests+0x000002590c90)
#8 mojo::edk::Channel::OnReadComplete(unsigned long, unsigned long*) mojo/edk/system/channel.cc:563:18 (content_browsertests+0x00000258984b)
#9 mojo::edk::(anonymous namespace)::ChannelPosix::OnFileCanReadWithoutBlocking(int) mojo/edk/system/channel_posix.cc:314:14 (content_browsertests+0x00000258bcee)
#10 non-virtual thunk to mojo::edk::(anonymous namespace)::ChannelPosix::OnFileCanReadWithoutBlocking(int) mojo/edk/system/channel_posix.cc:274:8 (content_browsertests+0x00000258bf54)
#11 OnFileCanReadWithoutBlocking base/message_loop/message_pump_libevent.cc:96:13 (content_browsertests+0x0000028fe484)
#12 base::MessagePumpLibevent::OnLibeventNotification(int, short, void*) base/message_loop/message_pump_libevent.cc:337 (content_browsertests+0x0000028fe484)
#13 event_process_active base/third_party/libevent/event.c:381:4 (content_browsertests+0x0000029a5695)
#14 event_base_loop base/third_party/libevent/event.c:521 (content_browsertests+0x0000029a5695)
#15 base::MessagePumpLibevent::Run(base::MessagePump::Delegate*) base/message_loop/message_pump_libevent.cc:222:5 (content_browsertests+0x0000028fe688)
#16 base::MessageLoop::RunHandler() base/message_loop/message_loop.cc:378:10 (content_browsertests+0x0000028f84cb)
#17 base::RunLoop::Run() base/run_loop.cc:35:10 (content_browsertests+0x0000029237d9)
#18 base::Thread::Run(base::RunLoop*) base/threading/thread.cc:245:13 (content_browsertests+0x000002950849)
#19 content::BrowserThreadImpl::IOThreadRun(base::RunLoop*) content/browser/browser_thread_impl.cc:253:11 (content_browsertests+0x000001e13dcf)
#20 content::BrowserThreadImpl::Run(base::RunLoop*) content/browser/browser_thread_impl.cc:288:14 (content_browsertests+0x000001e13ff2)
#21 base::Thread::ThreadMain() base/threading/thread.cc:333:3 (content_browsertests+0x000002950aa4)
#22 base::(anonymous namespace)::ThreadFunc(void*) base/threading/platform_thread_posix.cc:71:13 (content_browsertests+0x000002949e8d)
Mutex M2778 acquired here while holding mutex M2772 in thread T12:
#0 pthread_mutex_lock <null> (content_browsertests+0x0000004cc8be)
#1 base::internal::LockImpl::Lock() base/synchronization/lock_impl_posix.cc:64:12 (content_browsertests+0x000002939605)
#2 Acquire base/synchronization/lock.h:26:26 (content_browsertests+0x000002585c31)
#3 AutoLock base/synchronization/lock.h:115 (content_browsertests+0x000002585c31)
#4 mojo::edk::Watcher::MaybeInvokeCallback(unsigned int, mojo::edk::HandleSignalsState const&, unsigned int) mojo/edk/system/watcher.cc:20 (content_browsertests+0x000002585c31)
#5 mojo::edk::RequestContext::~RequestContext() mojo/edk/system/request_context.cc:59:22 (content_browsertests+0x00000257d068)
#6 mojo::edk::Core::WriteMessageNew(unsigned int, unsigned long, unsigned int) mojo/edk/system/core.cc:702:1 (content_browsertests+0x00000255bc46)
#7 MojoWriteMessageNewImpl mojo/edk/embedder/entrypoints.cc:120:18 (content_browsertests+0x000000e1354c)
#8 MojoWriteMessageNew mojo/public/c/system/thunks.cc:210:10 (content_browsertests+0x000002b93ee4)
#9 WriteMessageNew mojo/public/cpp/system/message_pipe.h:97:10 (content_browsertests+0x000002594917)
#10 mojo::Connector::Accept(mojo::Message*) mojo/public/cpp/bindings/lib/connector.cc:127 (content_browsertests+0x000002594917)
#11 mojo::(anonymous namespace)::SendRunOrClosePipeMessage(mojo::MessageReceiver*, mojo::StructPtr<mojo::pipe_control::RunOrClosePipeInput>, mojo::internal::SerializationContext*) mojo/public/cpp/bindings/lib/pipe_control_message_proxy.cc:36:23 (content_browsertests+0x0000025a46fa)
#12 mojo::PipeControlMessageProxy::NotifyPeerEndpointClosed(unsigned int) mojo/public/cpp/bindings/lib/pipe_control_message_proxy.cc:58:3 (content_browsertests+0x0000025a44e0)
#13 mojo::internal::MultiplexRouter::CloseEndpointHandle(unsigned int, bool) mojo/public/cpp/bindings/lib/multiplex_router.cc:419:28 (content_browsertests+0x00000259c70a)
#14 non-virtual thunk to mojo::internal::MultiplexRouter::CloseEndpointHandle(unsigned int, bool) mojo/public/cpp/bindings/lib/multiplex_router.cc:394:23 (content_browsertests+0x00000259ce5e)
#15 reset mojo/public/cpp/bindings/lib/scoped_interface_endpoint_handle.cc:38:22 (content_browsertests+0x0000025a4c8b)
#16 mojo::ScopedInterfaceEndpointHandle::~ScopedInterfaceEndpointHandle() mojo/public/cpp/bindings/lib/scoped_interface_endpoint_handle.cc:23 (content_browsertests+0x0000025a4c8b)
#17 mojo::InterfaceEndpointClient::~InterfaceEndpointClient() mojo/public/cpp/bindings/lib/interface_endpoint_client.cc:173:1 (content_browsertests+0x00000259745d)
#18 mojo::InterfaceEndpointClient::~InterfaceEndpointClient() mojo/public/cpp/bindings/lib/interface_endpoint_client.cc:166:53 (content_browsertests+0x0000025974c9)
#19 operator() buildtools/third_party/libc++/trunk/include/memory:2529:13 (content_browsertests+0x000003ba0db4)
#20 reset buildtools/third_party/libc++/trunk/include/memory:2735 (content_browsertests+0x000003ba0db4)
#21 ~AssociatedInterfacePtrState mojo/public/cpp/bindings/lib/associated_interface_ptr_state.h:41 (content_browsertests+0x000003ba0db4)
#22 ~AssociatedInterfacePtr mojo/public/cpp/bindings/associated_interface_ptr.h:55 (content_browsertests+0x000003ba0db4)
#23 service_manager::ServiceContext::~ServiceContext() services/service_manager/public/cpp/lib/service_context.cc:45 (content_browsertests+0x000003ba0db4)
#24 service_manager::ServiceContext::~ServiceContext() services/service_manager/public/cpp/lib/service_context.cc:45:35 (content_browsertests+0x000003ba0f39)
#25 operator() buildtools/third_party/libc++/trunk/include/memory:2529:13 (content_browsertests+0x000000b09916)
#26 reset buildtools/third_party/libc++/trunk/include/memory:2735 (content_browsertests+0x000000b09916)
#27 content::ServiceManagerConnectionImpl::IOThreadContext::ShutDownOnIOThread() content/common/service_manager/service_manager_connection_impl.cc:201 (content_browsertests+0x000000b09916)
#28 Invoke<const scoped_refptr<content::ServiceManagerConnectionImpl::IOThreadContext> &> base/bind_internal.h:214:12 (content_browsertests+0x000000b08a06)
#29 MakeItSo<void (content::ServiceManagerConnectionImpl::IOThreadContext::*const &)(), const scoped_refptr<content::ServiceManagerConnectionImpl::IOThreadContext> &> base/bind_internal.h:285 (content_browsertests+0x000000b08a06)
#30 RunImpl<void (content::ServiceManagerConnectionImpl::IOThreadContext::*const &)(), const std::__1::tuple<scoped_refptr<content::ServiceManagerConnectionImpl::IOThreadContext> > &, 0> base/bind_internal.h:361 (content_browsertests+0x000000b08a06)
#31 base::internal::Invoker<base::internal::BindState<void (content::ServiceManagerConnectionImpl::IOThreadContext::*)(), scoped_refptr<content::ServiceManagerConnectionImpl::IOThreadContext> >, void ()>::Run(base::internal::BindStateBase*) base/bind_internal.h:339 (content_browsertests+0x000000b08a06)
#32 Run base/callback.h:47:12 (content_browsertests+0x000002993095)
#33 base::debug::TaskAnnotator::RunTask(char const*, base::PendingTask*) base/debug/task_annotator.cc:52 (content_browsertests+0x000002993095)
#34 base::MessageLoop::RunTask(base::PendingTask*) base/message_loop/message_loop.cc:413:19 (content_browsertests+0x0000028f88e9)
#35 base::MessageLoop::DeferOrRunPendingTask(base::PendingTask) base/message_loop/message_loop.cc:422:5 (content_browsertests+0x0000028f8ded)
#36 base::MessageLoop::DoWork() base/message_loop/message_loop.cc:515:13 (content_browsertests+0x0000028f9504)
#37 base::MessagePumpLibevent::Run(base::MessagePump::Delegate*) base/message_loop/message_pump_libevent.cc:218:31 (content_browsertests+0x0000028fe850)
#38 base::MessageLoop::RunHandler() base/message_loop/message_loop.cc:378:10 (content_browsertests+0x0000028f84cb)
#39 base::RunLoop::Run() base/run_loop.cc:35:10 (content_browsertests+0x0000029237d9)
#40 base::Thread::Run(base::RunLoop*) base/threading/thread.cc:245:13 (content_browsertests+0x000002950849)
#41 content::BrowserThreadImpl::IOThreadRun(base::RunLoop*) content/browser/browser_thread_impl.cc:253:11 (content_browsertests+0x000001e13dcf)
#42 content::BrowserThreadImpl::Run(base::RunLoop*) content/browser/browser_thread_impl.cc:288:14 (content_browsertests+0x000001e13ff2)
#43 base::Thread::ThreadMain() base/threading/thread.cc:333:3 (content_browsertests+0x000002950aa4)
#44 base::(anonymous namespace)::ThreadFunc(void*) base/threading/platform_thread_posix.cc:71:13 (content_browsertests+0x000002949e8d)
Mutex M2772 previously acquired by the same thread here:
#0 pthread_mutex_lock <null> (content_browsertests+0x0000004cc8be)
#1 base::internal::LockImpl::Lock() base/synchronization/lock_impl_posix.cc:64:12 (content_browsertests+0x000002939605)
#2 Acquire base/synchronization/lock.h:26:26 (content_browsertests+0x00000259487d)
#3 MayAutoLock mojo/public/cpp/bindings/lib/may_auto_lock.h:17 (content_browsertests+0x00000259487d)
#4 mojo::Connector::Accept(mojo::Message*) mojo/public/cpp/bindings/lib/connector.cc:121 (content_browsertests+0x00000259487d)
#5 mojo::(anonymous namespace)::SendRunOrClosePipeMessage(mojo::MessageReceiver*, mojo::StructPtr<mojo::pipe_control::RunOrClosePipeInput>, mojo::internal::SerializationContext*) mojo/public/cpp/bindings/lib/pipe_control_message_proxy.cc:36:23 (content_browsertests+0x0000025a46fa)
#6 mojo::PipeControlMessageProxy::NotifyPeerEndpointClosed(unsigned int) mojo/public/cpp/bindings/lib/pipe_control_message_proxy.cc:58:3 (content_browsertests+0x0000025a44e0)
#7 mojo::internal::MultiplexRouter::CloseEndpointHandle(unsigned int, bool) mojo/public/cpp/bindings/lib/multiplex_router.cc:419:28 (content_browsertests+0x00000259c70a)
#8 non-virtual thunk to mojo::internal::MultiplexRouter::CloseEndpointHandle(unsigned int, bool) mojo/public/cpp/bindings/lib/multiplex_router.cc:394:23 (content_browsertests+0x00000259ce5e)
#9 reset mojo/public/cpp/bindings/lib/scoped_interface_endpoint_handle.cc:38:22 (content_browsertests+0x0000025a4c8b)
#10 mojo::ScopedInterfaceEndpointHandle::~ScopedInterfaceEndpointHandle() mojo/public/cpp/bindings/lib/scoped_interface_endpoint_handle.cc:23 (content_browsertests+0x0000025a4c8b)
#11 mojo::InterfaceEndpointClient::~InterfaceEndpointClient() mojo/public/cpp/bindings/lib/interface_endpoint_client.cc:173:1 (content_browsertests+0x00000259745d)
#12 mojo::InterfaceEndpointClient::~InterfaceEndpointClient() mojo/public/cpp/bindings/lib/interface_endpoint_client.cc:166:53 (content_browsertests+0x0000025974c9)
#13 operator() buildtools/third_party/libc++/trunk/include/memory:2529:13 (content_browsertests+0x000003ba0db4)
#14 reset buildtools/third_party/libc++/trunk/include/memory:2735 (content_browsertests+0x000003ba0db4)
#15 ~AssociatedInterfacePtrState mojo/public/cpp/bindings/lib/associated_interface_ptr_state.h:41 (content_browsertests+0x000003ba0db4)
#16 ~AssociatedInterfacePtr mojo/public/cpp/bindings/associated_interface_ptr.h:55 (content_browsertests+0x000003ba0db4)
#17 service_manager::ServiceContext::~ServiceContext() services/service_manager/public/cpp/lib/service_context.cc:45 (content_browsertests+0x000003ba0db4)
#18 service_manager::ServiceContext::~ServiceContext() services/service_manager/public/cpp/lib/service_context.cc:45:35 (content_browsertests+0x000003ba0f39)
#19 operator() buildtools/third_party/libc++/trunk/include/memory:2529:13 (content_browsertests+0x000000b09916)
#20 reset buildtools/third_party/libc++/trunk/include/memory:2735 (content_browsertests+0x000000b09916)
#21 content::ServiceManagerConnectionImpl::IOThreadContext::ShutDownOnIOThread() content/common/service_manager/service_manager_connection_impl.cc:201 (content_browsertests+0x000000b09916)
#22 Invoke<const scoped_refptr<content::ServiceManagerConnectionImpl::IOThreadContext> &> base/bind_internal.h:214:12 (content_browsertests+0x000000b08a06)
#23 MakeItSo<void (content::ServiceManagerConnectionImpl::IOThreadContext::*const &)(), const scoped_refptr<content::ServiceManagerConnectionImpl::IOThreadContext> &> base/bind_internal.h:285 (content_browsertests+0x000000b08a06)
#24 RunImpl<void (content::ServiceManagerConnectionImpl::IOThreadContext::*const &)(), const std::__1::tuple<scoped_refptr<content::ServiceManagerConnectionImpl::IOThreadContext> > &, 0> base/bind_internal.h:361 (content_browsertests+0x000000b08a06)
#25 base::internal::Invoker<base::internal::BindState<void (content::ServiceManagerConnectionImpl::IOThreadContext::*)(), scoped_refptr<content::ServiceManagerConnectionImpl::IOThreadContext> >, void ()>::Run(base::internal::BindStateBase*) base/bind_internal.h:339 (content_browsertests+0x000000b08a06)
#26 Run base/callback.h:47:12 (content_browsertests+0x000002993095)
#27 base::debug::TaskAnnotator::RunTask(char const*, base::PendingTask*) base/debug/task_annotator.cc:52 (content_browsertests+0x000002993095)
#28 base::MessageLoop::RunTask(base::PendingTask*) base/message_loop/message_loop.cc:413:19 (content_browsertests+0x0000028f88e9)
#29 base::MessageLoop::DeferOrRunPendingTask(base::PendingTask) base/message_loop/message_loop.cc:422:5 (content_browsertests+0x0000028f8ded)
#30 base::MessageLoop::DoWork() base/message_loop/message_loop.cc:515:13 (content_browsertests+0x0000028f9504)
#31 base::MessagePumpLibevent::Run(base::MessagePump::Delegate*) base/message_loop/message_pump_libevent.cc:218:31 (content_browsertests+0x0000028fe850)
#32 base::MessageLoop::RunHandler() base/message_loop/message_loop.cc:378:10 (content_browsertests+0x0000028f84cb)
#33 base::RunLoop::Run() base/run_loop.cc:35:10 (content_browsertests+0x0000029237d9)
#34 base::Thread::Run(base::RunLoop*) base/threading/thread.cc:245:13 (content_browsertests+0x000002950849)
#35 content::BrowserThreadImpl::IOThreadRun(base::RunLoop*) content/browser/browser_thread_impl.cc:253:11 (content_browsertests+0x000001e13dcf)
#36 content::BrowserThreadImpl::Run(base::RunLoop*) content/browser/browser_thread_impl.cc:288:14 (content_browsertests+0x000001e13ff2)
#37 base::Thread::ThreadMain() base/threading/thread.cc:333:3 (content_browsertests+0x000002950aa4)
#38 base::(anonymous namespace)::ThreadFunc(void*) base/threading/platform_thread_posix.cc:71:13 (content_browsertests+0x000002949e8d)
Thread T12 'Chrome_IOThread' (tid=23925, running) created by main thread at:
#0 pthread_create <null> (content_browsertests+0x0000004b3875)
#1 base::(anonymous namespace)::CreateThread(unsigned long, bool, base::PlatformThread::Delegate*, base::PlatformThreadHandle*, base::ThreadPriority) base/threading/platform_thread_posix.cc:110:13 (content_browsertests+0x000002949b57)
#2 base::PlatformThread::CreateWithPriority(unsigned long, base::PlatformThread::Delegate*, base::PlatformThreadHandle*, base::ThreadPriority) base/threading/platform_thread_posix.cc:191:10 (content_browsertests+0x000002949a55)
#3 base::Thread::StartWithOptions(base::Thread::Options const&) base/threading/thread.cc:112:15 (content_browsertests+0x0000029503a7)
#4 content::BrowserThreadImpl::StartWithOptions(base::Thread::Options const&) content/browser/browser_thread_impl.cc:359:25 (content_browsertests+0x000001e14514)
#5 content::BrowserMainLoop::CreateThreads() content/browser/browser_main_loop.cc:944:32 (content_browsertests+0x000001e0176a)
#6 Invoke<content::BrowserMainLoop *> base/bind_internal.h:214:12 (content_browsertests+0x000001e06165)
#7 MakeItSo<int (content::BrowserMainLoop::*const &)(), content::BrowserMainLoop *> base/bind_internal.h:285 (content_browsertests+0x000001e06165)
#8 RunImpl<int (content::BrowserMainLoop::*const &)(), const std::__1::tuple<base::internal::UnretainedWrapper<content::BrowserMainLoop> > &, 0> base/bind_internal.h:361 (content_browsertests+0x000001e06165)
#9 base::internal::Invoker<base::internal::BindState<int (content::BrowserMainLoop::*)(), base::internal::UnretainedWrapper<content::BrowserMainLoop> >, int ()>::Run(base::internal::BindStateBase*) base/bind_internal.h:339 (content_browsertests+0x000001e06165)
#10 Run base/callback.h:64:12 (content_browsertests+0x00000228a0aa)
#11 content::StartupTaskRunner::RunAllTasksNow() content/browser/startup_task_runner.cc:45 (content_browsertests+0x00000228a0aa)
#12 content::BrowserMainLoop::CreateStartupTasks() content/browser/browser_main_loop.cc:852:25 (content_browsertests+0x000001e00c78)
#13 content::BrowserMainRunnerImpl::Initialize(content::MainFunctionParams const&) content/browser/browser_main_runner.cc:126:17 (content_browsertests+0x000001e06af2)
#14 ShellBrowserMain(content::MainFunctionParams const&, std::__1::unique_ptr<content::BrowserMainRunner, std::__1::default_delete<content::BrowserMainRunner> > const&) content/shell/browser/shell_browser_main.cc:23:32 (content_browsertests+0x0000024ce737)
#15 content::ShellMainDelegate::RunProcess(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, content::MainFunctionParams const&) content/shell/app/shell_main_delegate.cc:293:16 (content_browsertests+0x0000024c1a33)
#16 content::RunNamedProcessTypeMain(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, content::MainFunctionParams const&, content::ContentMainDelegate*) content/app/content_main_runner.cc:395:35 (content_browsertests+0x000001d2362b)
#17 content::ContentMainRunnerImpl::Run() content/app/content_main_runner.cc:774:12 (content_browsertests+0x000001d24307)
#18 content::ContentMain(content::ContentMainParams const&) content/app/content_main.cc:20:28 (content_browsertests+0x000001d1b5fe)
#19 content::BrowserTestBase::SetUp() content/public/test/browser_test_base.cc:308:3 (content_browsertests+0x00000247124b)
#20 content::ContentBrowserTest::SetUp() content/public/test/content_browser_test.cc:94:20 (content_browsertests+0x00000246ae36)
#21 HandleExceptionsInMethodIfSupported<testing::Test, void> testing/gtest/src/gtest.cc:2458:12 (content_browsertests+0x00000267e49d)
#22 testing::Test::Run() testing/gtest/src/gtest.cc:2470 (content_browsertests+0x00000267e49d)
#23 testing::TestInfo::Run() testing/gtest/src/gtest.cc:2656:11 (content_browsertests+0x00000267f62d)
#24 testing::TestCase::Run() testing/gtest/src/gtest.cc:2774:28 (content_browsertests+0x00000267ff06)
#25 testing::internal::UnitTestImpl::RunAllTests() testing/gtest/src/gtest.cc:4647:43 (content_browsertests+0x0000026893e6)
#26 HandleExceptionsInMethodIfSupported<testing::internal::UnitTestImpl, bool> testing/gtest/src/gtest.cc:2458:12 (content_browsertests+0x000002688d89)
#27 testing::UnitTest::Run() testing/gtest/src/gtest.cc:4255 (content_browsertests+0x000002688d89)
#28 RUN_ALL_TESTS testing/gtest/include/gtest/gtest.h:2237:46 (content_browsertests+0x00000249db59)
#29 base::TestSuite::Run() base/test/test_suite.cc:246 (content_browsertests+0x00000249db59)
#30 content::ContentTestLauncherDelegate::RunTestSuite(int, char**) content/test/content_test_launcher.cc:105:48 (content_browsertests+0x00000247050b)
#31 content::LaunchTests(content::TestLauncherDelegate*, int, int, char**) content/public/test/test_launcher.cc:520:31 (content_browsertests+0x00000248af24)
#32 main content/test/content_test_launcher.cc:131:10 (content_browsertests+0x000002470492)
Comment 1 by bugdroid1@chromium.org
, Nov 17 2016