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Test 'BackgroundTracingManagerBrowserTest.ReceiveTraceFinalContentsOnTrigger' completed with the following status(es): 'CRASH','CRASH','CRASH','CRASH' Test 'BackgroundTracingManagerBrowserTest.ReceiveTraceFinalContentsOnTrigger' had the following logs when run: ================================================================================ [ RUN ] BackgroundTracingManagerBrowserTest.ReceiveTraceFinalContentsOnTrigger DevTools listening on ws://127.0.0.1:33207/devtools/browser/09b5b430-0980-430b-ae80-2a1319cf2797 [14523:14566:0525/074350.459280:FATAL:background_tracing_manager_impl.cc(215)] Check failed: ::content::BrowserThread::CurrentlyOn(BrowserThread::UI). Must be called on Chrome_UIThread; actually called on Chrome_IOThread. #0 0x5578c0992d8b in backtrace /b/swarming/w/ir/k/src/third_party/llvm/compiler-rt/lib/asan/../sanitizer_common/sanitizer_common_interceptors.inc:4090:13 #1 0x5578cd4f4349 in base::debug::CollectStackTrace(void**, unsigned long) ./../../base/debug/stack_trace_posix.cc:834:39 #2 0x5578cd206e43 in StackTrace ./../../base/debug/stack_trace.cc:206:12 #3 0x5578cd206e43 in base::debug::StackTrace::StackTrace() ./../../base/debug/stack_trace.cc:203:0 #4 0x5578cd25be5b in logging::LogMessage::~LogMessage() ./../../base/logging.cc:619:29 #5 0x5578cb2f9943 in content::BackgroundTracingManagerImpl::AddTracingAgent(tracing::mojom::TracingAgent*) ./../../content/browser/tracing/background_tracing_manager_impl.cc:215:3 #6 0x5578c5c212ea in tracing::mojom::TracingAgentClientStubDispatch::Accept(tracing::mojom::TracingAgentClient*, mojo::Message*) ./gen/components/tracing/common/tracing_agent.mojom.cc:188:13 #7 0x5578cc4eea3d in mojo::InterfaceEndpointClient::HandleValidatedMessage(mojo::Message*) ./../../mojo/public/cpp/bindings/lib/interface_endpoint_client.cc:437:32 #8 0x5578cc4ed049 in mojo::FilterChain::Accept(mojo::Message*) ./../../mojo/public/cpp/bindings/lib/filter_chain.cc:40:17 #9 0x5578cc4f2d9c in mojo::InterfaceEndpointClient::HandleIncomingMessage(mojo::Message*) ./../../mojo/public/cpp/bindings/lib/interface_endpoint_client.cc:320:19 #10 0x5578cc50b62c in mojo::internal::MultiplexRouter::ProcessIncomingMessage(mojo::internal::MultiplexRouter::MessageWrapper*, mojo::internal::MultiplexRouter::ClientCallBehavior, base::SequencedTaskRunner*) ./../../mojo/public/cpp/bindings/lib/multiplex_router.cc:873:42 #11 0x5578cc50949d in mojo::internal::MultiplexRouter::Accept(mojo::Message*) ./../../mojo/public/cpp/bindings/lib/multiplex_router.cc:594:38 #12 0x5578cc4ed049 in mojo::FilterChain::Accept(mojo::Message*) ./../../mojo/public/cpp/bindings/lib/filter_chain.cc:40:17 #13 0x5578cc4de72e in mojo::Connector::DispatchMessage(mojo::Message) ./../../mojo/public/cpp/bindings/lib/connector.cc:525:49 #14 0x5578cc4e103c in mojo::Connector::ReadAllAvailableMessages() ./../../mojo/public/cpp/bindings/lib/connector.cc:600:12 #15 0x5578cc4e048e in mojo::Connector::OnHandleReadyInternal(unsigned int) ./../../mojo/public/cpp/bindings/lib/connector.cc:435:3 #16 0x5578c54e8d46 in Run ./../../base/callback.h:136:12 #17 0x5578c54e8d46 in mojo::SimpleWatcher::DiscardReadyState(base::RepeatingCallback<void (unsigned int)> const&, unsigned int, mojo::HandleSignalsState const&) ./../../mojo/public/cpp/system/simple_watcher.h:194:0 #18 0x5578cd71cd42 in Run ./../../base/callback.h:136:12 #19 0x5578cd71cd42 in mojo::SimpleWatcher::OnHandleReady(int, unsigned int, mojo::HandleSignalsState const&) ./../../mojo/public/cpp/system/simple_watcher.cc:293:0 #20 0x5578cd71dd39 in mojo::SimpleWatcher::Context::Notify(unsigned int, MojoHandleSignalsState, unsigned int) ./../../mojo/public/cpp/system/simple_watcher.cc:118:22 #21 0x5578cd71999b in mojo::SimpleWatcher::Context::CallNotify(MojoTrapEvent const*) ./../../mojo/public/cpp/system/simple_watcher.cc:57:14 #22 0x5578c53f5b43 in mojo::core::WatcherDispatcher::InvokeWatchCallback(unsigned long, unsigned int, mojo::core::HandleSignalsState const&, unsigned int) ./../../mojo/core/watcher_dispatcher.cc:94:3 #23 0x5578c53f45cf in mojo::core::Watch::InvokeCallback(unsigned int, mojo::core::HandleSignalsState const&, unsigned int) ./../../mojo/core/watch.cc:78:13 #24 0x5578c53e40cf in mojo::core::RequestContext::~RequestContext() ./../../mojo/core/request_context.cc:72:20 #25 0x5578c53b74ce in mojo::core::NodeChannel::OnChannelMessage(void const*, unsigned long, std::__1::vector<mojo::PlatformHandle, std::__1::allocator<mojo::PlatformHandle> >) ./../../mojo/core/node_channel.cc:700:1 #26 0x5578c537bea4 in mojo::core::Channel::TryDispatchMessage(base::span<char const, 18446744073709551615ul>, unsigned long*) ./../../mojo/core/channel.cc:791:16 #27 0x5578c537b4c4 in mojo::core::Channel::OnReadComplete(unsigned long, unsigned long*) ./../../mojo/core/channel.cc:689:9 #28 0x5578c5407808 in mojo::core::(anonymous namespace)::ChannelPosix::OnFileCanReadWithoutBlocking(int) ./../../mojo/core/channel_posix.cc:472:14 #29 0x5578cd54c605 in base::MessagePumpLibevent::OnLibeventNotification(int, short, void*) ./../../base/message_loop/message_pump_libevent.cc:0:13 #30 0x5578cd700cd9 in event_process_active ./../../base/third_party/libevent/event.c:381:4 #31 0x5578cd700cd9 in event_base_loop ./../../base/third_party/libevent/event.c:521:0 #32 0x5578cd54ceb1 in base::MessagePumpLibevent::Run(base::MessagePump::Delegate*) ./../../base/message_loop/message_pump_libevent.cc:213:5 #33 0x5578cd3c6f36 in base::sequence_manager::internal::ThreadControllerWithMessagePumpImpl::Run(bool, base::TimeDelta) ./../../base/task/sequence_manager/thread_controller_with_message_pump_impl.cc:466:12 #34 0x5578cd3063b2 in base::RunLoop::RunWithTimeout(base::TimeDelta) ./../../base/run_loop.cc:161:14 #35 0x5578cd44da55 in base::Thread::Run(base::RunLoop*) ./../../base/threading/thread.cc:242:13 #36 0x5578c9da7925 in content::BrowserProcessSubThread::IOThreadRun(base::RunLoop*) ./../../content/browser/browser_process_sub_thread.cc:176:11 #37 0x5578c9da7620 in content::BrowserProcessSubThread::Run(base::RunLoop*) ./../../content/browser/browser_process_sub_thread.cc:128:7 #38 0x5578cd44e8c9 in base::Thread::ThreadMain() ./../../base/threading/thread.cc:312:3 #39 0x5578cd53937c in base::(anonymous namespace)::ThreadFunc(void*) ./../../base/threading/platform_thread_posix.cc:81:13 #40 0x7f2231c0f6ba in start_thread ??:0:0 #41 0x7f222bb6341d in clone ??:0:0 [ RUN ] BackgroundTracingManagerBrowserTest.ReceiveTraceFinalContentsOnTrigger DevTools listening on ws://127.0.0.1:46121/devtools/browser/032871eb-66b6-4896-b5b2-11a1aa7d0ef3 [16623:16632:0525/074423.594978:FATAL:background_tracing_manager_impl.cc(215)] Check failed: ::content::BrowserThread::CurrentlyOn(BrowserThread::UI). Must be called on Chrome_UIThread; actually called on Chrome_IOThread. #0 0x55c61ec15d8b in backtrace /b/swarming/w/ir/k/src/third_party/llvm/compiler-rt/lib/asan/../sanitizer_common/sanitizer_common_interceptors.inc:4090:13 #1 0x55c62b777349 in base::debug::CollectStackTrace(void**, unsigned long) ./../../base/debug/stack_trace_posix.cc:834:39 #2 0x55c62b489e43 in StackTrace ./../../base/debug/stack_trace.cc:206:12 #3 0x55c62b489e43 in base::debug::StackTrace::StackTrace() ./../../base/debug/stack_trace.cc:203:0 #4 0x55c62b4dee5b in logging::LogMessage::~LogMessage() ./../../base/logging.cc:619:29 #5 0x55c62957c943 in content::BackgroundTracingManagerImpl::AddTracingAgent(tracing::mojom::TracingAgent*) ./../../content/browser/tracing/background_tracing_manager_impl.cc:215:3 #6 0x55c623ea42ea in tracing::mojom::TracingAgentClientStubDispatch::Accept(tracing::mojom::TracingAgentClient*, mojo::Message*) ./gen/components/tracing/common/tracing_agent.mojom.cc:188:13 #7 0x55c62a771a3d in mojo::InterfaceEndpointClient::HandleValidatedMessage(mojo::Message*) ./../../mojo/public/cpp/bindings/lib/interface_endpoint_client.cc:437:32 #8 0x55c62a770049 in mojo::FilterChain::Accept(mojo::Message*) ./../../mojo/public/cpp/bindings/lib/filter_chain.cc:40:17 #9 0x55c62a775d9c in mojo::InterfaceEndpointClient::HandleIncomingMessage(mojo::Message*) ./../../mojo/public/cpp/bindings/lib/interface_endpoint_client.cc:320:19 #10 0x55c62a78e62c in mojo::internal::MultiplexRouter::ProcessIncomingMessage(mojo::internal::MultiplexRouter::MessageWrapper*, mojo::internal::MultiplexRouter::ClientCallBehavior, base::SequencedTaskRunner*) ./../../mojo/public/cpp/bindings/lib/multiplex_router.cc:873:42 #11 0x55c62a78c49d in mojo::internal::MultiplexRouter::Accept(mojo::Message*) ./../../mojo/public/cpp/bindings/lib/multiplex_router.cc:594:38 #12 0x55c62a770049 in mojo::FilterChain::Accept(mojo::Message*) ./../../mojo/public/cpp/bindings/lib/filter_chain.cc:40:17 #13 0x55c62a76172e in mojo::Connector::DispatchMessage(mojo::Message) ./../../mojo/public/cpp/bindings/lib/connector.cc:525:49 #14 0x55c62a76403c in mojo::Connector::ReadAllAvailableMessages() ./../../mojo/public/cpp/bindings/lib/connector.cc:600:12 #15 0x55c62a76348e in mojo::Connector::OnHandleReadyInternal(unsigned int) ./../../mojo/public/cpp/bindings/lib/connector.cc:435:3 #16 0x55c62376bd46 in Run ./../../base/callback.h:136:12 #17 0x55c62376bd46 in mojo::SimpleWatcher::DiscardReadyState(base::RepeatingCallback<void (unsigned int)> const&, unsigned int, mojo::HandleSignalsState const&) ./../../mojo/public/cpp/system/simple_watcher.h:194:0 #18 0x55c62b99fd42 in Run ./../../base/callback.h:136:12 #19 0x55c62b99fd42 in mojo::SimpleWatcher::OnHandleReady(int, unsigned int, mojo::HandleSignalsState const&) ./../../mojo/public/cpp/system/simple_watcher.cc:293:0 #20 0x55c62b9a0d39 in mojo::SimpleWatcher::Context::Notify(unsigned int, MojoHandleSignalsState, unsigned int) ./../../mojo/public/cpp/system/simple_watcher.cc:118:22 #21 0x55c62b99c99b in mojo::SimpleWatcher::Context::CallNotify(MojoTrapEvent const*) ./../../mojo/public/cpp/system/simple_watcher.cc:57:14 #22 0x55c623678b43 in mojo::core::WatcherDispatcher::InvokeWatchCallback(unsigned long, unsigned int, mojo::core::HandleSignalsState const&, unsigned int) ./../../mojo/core/watcher_dispatcher.cc:94:3 #23 0x55c6236775cf in mojo::core::Watch::InvokeCallback(unsigned int, mojo::core::HandleSignalsState const&, unsigned int) ./../../mojo/core/watch.cc:78:13 #24 0x55c6236670cf in mojo::core::RequestContext::~RequestContext() ./../../mojo/core/request_context.cc:72:20 #25 0x55c62363a4ce in mojo::core::NodeChannel::OnChannelMessage(void const*, unsigned long, std::__1::vector<mojo::PlatformHandle, std::__1::allocator<mojo::PlatformHandle> >) ./../../mojo/core/node_channel.cc:700:1 #26 0x55c6235feea4 in mojo::core::Channel::TryDispatchMessage(base::span<char const, 18446744073709551615ul>, unsigned long*) ./../../mojo/core/channel.cc:791:16 #27 0x55c6235fe4c4 in mojo::core::Channel::OnReadComplete(unsigned long, unsigned long*) ./../../mojo/core/channel.cc:689:9 #28 0x55c62368a808 in mojo::core::(anonymous namespace)::ChannelPosix::OnFileCanReadWithoutBlocking(int) ./../../mojo/core/channel_posix.cc:472:14 #29 0x55c62b7cf605 in base::MessagePumpLibevent::OnLibeventNotification(int, short, void*) ./../../base/message_loop/message_pump_libevent.cc:0:13 #30 0x55c62b983cd9 in event_process_active ./../../base/third_party/libevent/event.c:381:4 #31 0x55c62b983cd9 in event_base_loop ./../../base/third_party/libevent/event.c:521:0 #32 0x55c62b7cfeb1 in base::MessagePumpLibevent::Run(base::MessagePump::Delegate*) ./../../base/message_loop/message_pump_libevent.cc:213:5 #33 0x55c62b649f36 in base::sequence_manager::internal::ThreadControllerWithMessagePumpImpl::Run(bool, base::TimeDelta) ./../../base/task/sequence_manager/thread_controller_with_message_pump_impl.cc:466:12 #34 0x55c62b5893b2 in base::RunLoop::RunWithTimeout(base::TimeDelta) ./../../base/run_loop.cc:161:14 #35 0x55c62b6d0a55 in base::Thread::Run(base::RunLoop*) ./../../base/threading/thread.cc:242:13 #36 0x55c62802a925 in content::BrowserProcessSubThread::IOThreadRun(base::RunLoop*) ./../../content/browser/browser_process_sub_thread.cc:176:11 #37 0x55c62802a620 in content::BrowserProcessSubThread::Run(base::RunLoop*) ./../../content/browser/browser_process_sub_thread.cc:128:7 #38 0x55c62b6d18c9 in base::Thread::ThreadMain() ./../../base/threading/thread.cc:312:3 #39 0x55c62b7bc37c in base::(anonymous namespace)::ThreadFunc(void*) ./../../base/threading/platform_thread_posix.cc:81:13 #40 0x7f942e40c6ba in start_thread ??:0:0 #41 0x7f942836041d in clone ??:0:0 [ RUN ] BackgroundTracingManagerBrowserTest.ReceiveTraceFinalContentsOnTrigger DevTools listening on ws://127.0.0.1:37611/devtools/browser/474a980c-aadc-4580-bea2-c2f1dc318741 [17994:18003:0525/074454.034920:FATAL:background_tracing_manager_impl.cc(215)] Check failed: ::content::BrowserThread::CurrentlyOn(BrowserThread::UI). Must be called on Chrome_UIThread; actually called on Chrome_IOThread. #0 0x563b7fbc4d8b in backtrace /b/swarming/w/ir/k/src/third_party/llvm/compiler-rt/lib/asan/../sanitizer_common/sanitizer_common_interceptors.inc:4090:13 #1 0x563b8c726349 in base::debug::CollectStackTrace(void**, unsigned long) ./../../base/debug/stack_trace_posix.cc:834:39 #2 0x563b8c438e43 in StackTrace ./../../base/debug/stack_trace.cc:206:12 #3 0x563b8c438e43 in base::debug::StackTrace::StackTrace() ./../../base/debug/stack_trace.cc:203:0 #4 0x563b8c48de5b in logging::LogMessage::~LogMessage() ./../../base/logging.cc:619:29 #5 0x563b8a52b943 in content::BackgroundTracingManagerImpl::AddTracingAgent(tracing::mojom::TracingAgent*) ./../../content/browser/tracing/background_tracing_manager_impl.cc:215:3 #6 0x563b84e532ea in tracing::mojom::TracingAgentClientStubDispatch::Accept(tracing::mojom::TracingAgentClient*, mojo::Message*) ./gen/components/tracing/common/tracing_agent.mojom.cc:188:13 #7 0x563b8b720a3d in mojo::InterfaceEndpointClient::HandleValidatedMessage(mojo::Message*) ./../../mojo/public/cpp/bindings/lib/interface_endpoint_client.cc:437:32 #8 0x563b8b71f049 in mojo::FilterChain::Accept(mojo::Message*) ./../../mojo/public/cpp/bindings/lib/filter_chain.cc:40:17 #9 0x563b8b724d9c in mojo::InterfaceEndpointClient::HandleIncomingMessage(mojo::Message*) ./../../mojo/public/cpp/bindings/lib/interface_endpoint_client.cc:320:19 #10 0x563b8b73d62c in mojo::internal::MultiplexRouter::ProcessIncomingMessage(mojo::internal::MultiplexRouter::MessageWrapper*, mojo::internal::MultiplexRouter::ClientCallBehavior, base::SequencedTaskRunner*) ./../../mojo/public/cpp/bindings/lib/multiplex_router.cc:873:42 #11 0x563b8b73b49d in mojo::internal::MultiplexRouter::Accept(mojo::Message*) ./../../mojo/public/cpp/bindings/lib/multiplex_router.cc:594:38 #12 0x563b8b71f049 in mojo::FilterChain::Accept(mojo::Message*) ./../../mojo/public/cpp/bindings/lib/filter_chain.cc:40:17 #13 0x563b8b71072e in mojo::Connector::DispatchMessage(mojo::Message) ./../../mojo/public/cpp/bindings/lib/connector.cc:525:49 #14 0x563b8b71303c in mojo::Connector::ReadAllAvailableMessages() ./../../mojo/public/cpp/bindings/lib/connector.cc:600:12 #15 0x563b8b71248e in mojo::Connector::OnHandleReadyInternal(unsigned int) ./../../mojo/public/cpp/bindings/lib/connector.cc:435:3 #16 0x563b8471ad46 in Run ./../../base/callback.h:136:12 #17 0x563b8471ad46 in mojo::SimpleWatcher::DiscardReadyState(base::RepeatingCallback<void (unsigned int)> const&, unsigned int, mojo::HandleSignalsState const&) ./../../mojo/public/cpp/system/simple_watcher.h:194:0 #18 0x563b8c94ed42 in Run ./../../base/callback.h:136:12 #19 0x563b8c94ed42 in mojo::SimpleWatcher::OnHandleReady(int, unsigned int, mojo::HandleSignalsState const&) ./../../mojo/public/cpp/system/simple_watcher.cc:293:0 #20 0x563b8c94fd39 in mojo::SimpleWatcher::Context::Notify(unsigned int, MojoHandleSignalsState, unsigned int) ./../../mojo/public/cpp/system/simple_watcher.cc:118:22 #21 0x563b8c94b99b in mojo::SimpleWatcher::Context::CallNotify(MojoTrapEvent const*) ./../../mojo/public/cpp/system/simple_watcher.cc:57:14 #22 0x563b84627b43 in mojo::core::WatcherDispatcher::InvokeWatchCallback(unsigned long, unsigned int, mojo::core::HandleSignalsState const&, unsigned int) ./../../mojo/core/watcher_dispatcher.cc:94:3 #23 0x563b846265cf in mojo::core::Watch::InvokeCallback(unsigned int, mojo::core::HandleSignalsState const&, unsigned int) ./../../mojo/core/watch.cc:78:13 #24 0x563b846160cf in mojo::core::RequestContext::~RequestContext() ./../../mojo/core/request_context.cc:72:20 #25 0x563b845e94ce in mojo::core::NodeChannel::OnChannelMessage(void const*, unsigned long, std::__1::vector<mojo::PlatformHandle, std::__1::allocator<mojo::PlatformHandle> >) ./../../mojo/core/node_channel.cc:700:1 #26 0x563b845adea4 in mojo::core::Channel::TryDispatchMessage(base::span<char const, 18446744073709551615ul>, unsigned long*) ./../../mojo/core/channel.cc:791:16 #27 0x563b845ad4c4 in mojo::core::Channel::OnReadComplete(unsigned long, unsigned long*) ./../../mojo/core/channel.cc:689:9 #28 0x563b84639808 in mojo::core::(anonymous namespace)::ChannelPosix::OnFileCanReadWithoutBlocking(int) ./../../mojo/core/channel_posix.cc:472:14 #29 0x563b8c77e605 in base::MessagePumpLibevent::OnLibeventNotification(int, short, void*) ./../../base/message_loop/message_pump_libevent.cc:0:13 #30 0x563b8c932cd9 in event_process_active ./../../base/third_party/libevent/event.c:381:4 #31 0x563b8c932cd9 in event_base_loop ./../../base/third_party/libevent/event.c:521:0 #32 0x563b8c77eeb1 in base::MessagePumpLibevent::Run(base::MessagePump::Delegate*) ./../../base/message_loop/message_pump_libevent.cc:213:5 #33 0x563b8c5f8f36 in base::sequence_manager::internal::ThreadControllerWithMessagePumpImpl::Run(bool, base::TimeDelta) ./../../base/task/sequence_manager/thread_controller_with_message_pump_impl.cc:466:12 #34 0x563b8c5383b2 in base::RunLoop::RunWithTimeout(base::TimeDelta) ./../../base/run_loop.cc:161:14 #35 0x563b8c67fa55 in base::Thread::Run(base::RunLoop*) ./../../base/threading/thread.cc:242:13 #36 0x563b88fd9925 in content::BrowserProcessSubThread::IOThreadRun(base::RunLoop*) ./../../content/browser/browser_process_sub_thread.cc:176:11 #37 0x563b88fd9620 in content::BrowserProcessSubThread::Run(base::RunLoop*) ./../../content/browser/browser_process_sub_thread.cc:128:7 #38 0x563b8c6808c9 in base::Thread::ThreadMain() ./../../base/threading/thread.cc:312:3 #39 0x563b8c76b37c in base::(anonymous namespace)::ThreadFunc(void*) ./../../base/threading/platform_thread_posix.cc:81:13 #40 0x7fc2e174b6ba in start_thread ??:0:0 #41 0x7fc2db69f41d in clone ??:0:0 [ RUN ] BackgroundTracingManagerBrowserTest.ReceiveTraceFinalContentsOnTrigger DevTools listening on ws://127.0.0.1:45283/devtools/browser/c5cbd764-a5f0-44fd-a473-f0bff7ccad48 [19345:19354:0525/074524.650751:FATAL:background_tracing_manager_impl.cc(215)] Check failed: ::content::BrowserThread::CurrentlyOn(BrowserThread::UI). Must be called on Chrome_UIThread; actually called on Chrome_IOThread. #0 0x5607cc76ad8b in backtrace /b/swarming/w/ir/k/src/third_party/llvm/compiler-rt/lib/asan/../sanitizer_common/sanitizer_common_interceptors.inc:4090:13 #1 0x5607d92cc349 in base::debug::CollectStackTrace(void**, unsigned long) ./../../base/debug/stack_trace_posix.cc:834:39 #2 0x5607d8fdee43 in StackTrace ./../../base/debug/stack_trace.cc:206:12 #3 0x5607d8fdee43 in base::debug::StackTrace::StackTrace() ./../../base/debug/stack_trace.cc:203:0 #4 0x5607d9033e5b in logging::LogMessage::~LogMessage() ./../../base/logging.cc:619:29 #5 0x5607d70d1943 in content::BackgroundTracingManagerImpl::AddTracingAgent(tracing::mojom::TracingAgent*) ./../../content/browser/tracing/background_tracing_manager_impl.cc:215:3 #6 0x5607d19f92ea in tracing::mojom::TracingAgentClientStubDispatch::Accept(tracing::mojom::TracingAgentClient*, mojo::Message*) ./gen/components/tracing/common/tracing_agent.mojom.cc:188:13 #7 0x5607d82c6a3d in mojo::InterfaceEndpointClient::HandleValidatedMessage(mojo::Message*) ./../../mojo/public/cpp/bindings/lib/interface_endpoint_client.cc:437:32 #8 0x5607d82c5049 in mojo::FilterChain::Accept(mojo::Message*) ./../../mojo/public/cpp/bindings/lib/filter_chain.cc:40:17 #9 0x5607d82cad9c in mojo::InterfaceEndpointClient::HandleIncomingMessage(mojo::Message*) ./../../mojo/public/cpp/bindings/lib/interface_endpoint_client.cc:320:19 #10 0x5607d82e362c in mojo::internal::MultiplexRouter::ProcessIncomingMessage(mojo::internal::MultiplexRouter::MessageWrapper*, mojo::internal::MultiplexRouter::ClientCallBehavior, base::SequencedTaskRunner*) ./../../mojo/public/cpp/bindings/lib/multiplex_router.cc:873:42 #11 0x5607d82e149d in mojo::internal::MultiplexRouter::Accept(mojo::Message*) ./../../mojo/public/cpp/bindings/lib/multiplex_router.cc:594:38 #12 0x5607d82c5049 in mojo::FilterChain::Accept(mojo::Message*) ./../../mojo/public/cpp/bindings/lib/filter_chain.cc:40:17 #13 0x5607d82b672e in mojo::Connector::DispatchMessage(mojo::Message) ./../../mojo/public/cpp/bindings/lib/connector.cc:525:49 #14 0x5607d82b903c in mojo::Connector::ReadAllAvailableMessages() ./../../mojo/public/cpp/bindings/lib/connector.cc:600:12 #15 0x5607d82b848e in mojo::Connector::OnHandleReadyInternal(unsigned int) ./../../mojo/public/cpp/bindings/lib/connector.cc:435:3 #16 0x5607d12c0d46 in Run ./../../base/callback.h:136:12 #17 0x5607d12c0d46 in mojo::SimpleWatcher::DiscardReadyState(base::RepeatingCallback<void (unsigned int)> const&, unsigned int, mojo::HandleSignalsState const&) ./../../mojo/public/cpp/system/simple_watcher.h:194:0 #18 0x5607d94f4d42 in Run ./../../base/callback.h:136:12 #19 0x5607d94f4d42 in mojo::SimpleWatcher::OnHandleReady(int, unsigned int, mojo::HandleSignalsState const&) ./../../mojo/public/cpp/system/simple_watcher.cc:293:0 #20 0x5607d94f5d39 in mojo::SimpleWatcher::Context::Notify(unsigned int, MojoHandleSignalsState, unsigned int) ./../../mojo/public/cpp/system/simple_watcher.cc:118:22 #21 0x5607d94f199b in mojo::SimpleWatcher::Context::CallNotify(MojoTrapEvent const*) ./../../mojo/public/cpp/system/simple_watcher.cc:57:14 #22 0x5607d11cdb43 in mojo::core::WatcherDispatcher::InvokeWatchCallback(unsigned long, unsigned int, mojo::core::HandleSignalsState const&, unsigned int) ./../../mojo/core/watcher_dispatcher.cc:94:3 #23 0x5607d11cc5cf in mojo::core::Watch::InvokeCallback(unsigned int, mojo::core::HandleSignalsState const&, unsigned int) ./../../mojo/core/watch.cc:78:13 #24 0x5607d11bc0cf in mojo::core::RequestContext::~RequestContext() ./../../mojo/core/request_context.cc:72:20 #25 0x5607d118f4ce in mojo::core::NodeChannel::OnChannelMessage(void const*, unsigned long, std::__1::vector<mojo::PlatformHandle, std::__1::allocator<mojo::PlatformHandle> >) ./../../mojo/core/node_channel.cc:700:1 #26 0x5607d1153ea4 in mojo::core::Channel::TryDispatchMessage(base::span<char const, 18446744073709551615ul>, unsigned long*) ./../../mojo/core/channel.cc:791:16 #27 0x5607d11534c4 in mojo::core::Channel::OnReadComplete(unsigned long, unsigned long*) ./../../mojo/core/channel.cc:689:9 #28 0x5607d11df808 in mojo::core::(anonymous namespace)::ChannelPosix::OnFileCanReadWithoutBlocking(int) ./../../mojo/core/channel_posix.cc:472:14 #29 0x5607d9324605 in base::MessagePumpLibevent::OnLibeventNotification(int, short, void*) ./../../base/message_loop/message_pump_libevent.cc:0:13 #30 0x5607d94d8cd9 in event_process_active ./../../base/third_party/libevent/event.c:381:4 #31 0x5607d94d8cd9 in event_base_loop ./../../base/third_party/libevent/event.c:521:0 #32 0x5607d9324eb1 in base::MessagePumpLibevent::Run(base::MessagePump::Delegate*) ./../../base/message_loop/message_pump_libevent.cc:213:5 #33 0x5607d919ef36 in base::sequence_manager::internal::ThreadControllerWithMessagePumpImpl::Run(bool, base::TimeDelta) ./../../base/task/sequence_manager/thread_controller_with_message_pump_impl.cc:466:12 #34 0x5607d90de3b2 in base::RunLoop::RunWithTimeout(base::TimeDelta) ./../../base/run_loop.cc:161:14 #35 0x5607d9225a55 in base::Thread::Run(base::RunLoop*) ./../../base/threading/thread.cc:242:13 #36 0x5607d5b7f925 in content::BrowserProcessSubThread::IOThreadRun(base::RunLoop*) ./../../content/browser/browser_process_sub_thread.cc:176:11 #37 0x5607d5b7f620 in content::BrowserProcessSubThread::Run(base::RunLoop*) ./../../content/browser/browser_process_sub_thread.cc:128:7 #38 0x5607d92268c9 in base::Thread::ThreadMain() ./../../base/threading/thread.cc:312:3 #39 0x5607d931137c in base::(anonymous namespace)::ThreadFunc(void*) ./../../base/threading/platform_thread_posix.cc:81:13 #40 0x7f9f4b1936ba in start_thread ??:0:0 #41 0x7f9f450e741d in clone ??:0:0 ================================================================================