Details
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Bug
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Resolution: Incomplete
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P1: Critical
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None
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5.9.6
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macOS
Description
WebEngine crashes on descturction with the following stacktrace when using QML components such as WebChannel and WebEngineView.
The stack trace usually looks like:
Crashed Thread: 26 Chrome_ProcessLauncherThread Thread 26 Crashed:: Chrome_ProcessLauncherThread 0 org.qt-project.Qt.QtWebEngineCore 0x000000010639e6d1 base::debug::BreakDebugger() + 17 (debugger_posix.cc:260) 1 org.qt-project.Qt.QtWebEngineCore 0x00000001063bba8f logging::LogMessage::~LogMessage() + 1359 (logging.cc:748) 2 org.qt-project.Qt.QtWebEngineCore 0x00000001063bbe7d logging::ErrnoLogMessage::~ErrnoLogMessage() + 109 (logging.cc:880) 3 org.qt-project.Qt.QtWebEngineCore 0x00000001063b3709 base::internal::ScopedFDCloseTraits::Free(int) + 137 (scoped_file.cc:41) 4 org.qt-project.Qt.QtWebEngineCore 0x00000001063e6617 base::EnsureProcessTerminated(base::Process) + 519 (kill_mac.cc:171) 5 org.qt-project.Qt.QtWebEngineCore 0x0000000105ac4dd1 content::(anonymous namespace)::TerminateOnLauncherThread(std::nullptr_t, base::Process) + 49 (child_process_launcher.cc:368) 6 org.qt-project.Qt.QtWebEngineCore 0x0000000105ac5d43 base::internal::Invoker<base::internal::BindState<void (*)(std::nullptr_t, base::Process), std::nullptr_t, base::internal::PassedWrapper<base::Process> >, void ()>::Run(base::internal::BindStateBase*) + 131 (bind_internal.h:164) 7 org.qt-project.Qt.QtWebEngineCore 0x000000010639ff61 base::debug::TaskAnnotator::RunTask(char const*, base::PendingTask*) + 225 (callback_forward.h:29) 8 org.qt-project.Qt.QtWebEngineCore 0x00000001063c85a6 base::MessageLoop::RunTask(base::PendingTask*) + 390 (vector:648) 9 org.qt-project.Qt.QtWebEngineCore 0x00000001063c886c base::MessageLoop::DeferOrRunPendingTask(base::PendingTask) + 44 (message_loop.cc:422) 10 org.qt-project.Qt.QtWebEngineCore 0x00000001063c8c23 base::MessageLoop::DoWork() + 371 (message_loop.cc:515) 11 org.qt-project.Qt.QtWebEngineCore 0x00000001063cb63d base::MessagePumpCFRunLoopBase::RunWork() + 45 (message_pump_mac.mm:302) 12 org.qt-project.Qt.QtWebEngineCore 0x00000001063bc4fa base::mac::CallWithEHFrame(void () block_pointer) + 10 13 org.qt-project.Qt.QtWebEngineCore 0x00000001063cb054 base::MessagePumpCFRunLoopBase::RunWorkSource(void*) + 68 (message_pump_mac.mm:281) 14 com.apple.CoreFoundation 0x00007fffa3380981 __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__ + 17 15 com.apple.CoreFoundation 0x00007fffa3361a7d __CFRunLoopDoSources0 + 557 16 com.apple.CoreFoundation 0x00007fffa3360f76 __CFRunLoopRun + 934 17 com.apple.CoreFoundation 0x00007fffa3360974 CFRunLoopRunSpecific + 420 18 org.qt-project.Qt.QtWebEngineCore 0x00000001063cbb0f base::MessagePumpCFRunLoop::DoRun(base::MessagePump::Delegate*) + 79 (message_pump_mac.mm:526) 19 org.qt-project.Qt.QtWebEngineCore 0x00000001063cb4a4 base::MessagePumpCFRunLoopBase::Run(base::MessagePump::Delegate*) + 100 (message_pump_mac.mm:218) 20 org.qt-project.Qt.QtWebEngineCore 0x00000001063c830e base::MessageLoop::RunHandler() + 94 (message_loop.cc:379) 21 org.qt-project.Qt.QtWebEngineCore 0x00000001063ec731 base::RunLoop::Run() + 113 (run_loop.cc:36) 22 org.qt-project.Qt.QtWebEngineCore 0x0000000105a98cd8 content::BrowserThreadImpl::ProcessLauncherThreadRun(base::RunLoop*) + 24 (browser_thread_impl.cc:242) 23 org.qt-project.Qt.QtWebEngineCore 0x0000000105a98f4c content::BrowserThreadImpl::Run(base::RunLoop*) + 268 (browser_thread_impl.cc:284) 24 org.qt-project.Qt.QtWebEngineCore 0x000000010642056b base::Thread::ThreadMain() + 299 (lock.h:26) 25 org.qt-project.Qt.QtWebEngineCore 0x0000000106419867 base::(anonymous namespace)::ThreadFunc(void*) + 87 (platform_thread_posix.cc:73) 26 libsystem_pthread.dylib 0x00007fffb8ad7aab _pthread_body + 180 27 libsystem_pthread.dylib 0x00007fffb8ad79f7 _pthread_start + 286 28 libsystem_pthread.dylib 0x00007fffb8ad71fd thread_start + 13
The crash is not 100% reproducible so it is hard to create a sample application for it.