[Webkit-unassigned] [Bug 238681] REGRESSION (iOS 15.4): Chrome sometimes hangs in bmalloc_medium_bitfit_create_page_header

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Mon Apr 4 10:35:35 PDT 2022


https://bugs.webkit.org/show_bug.cgi?id=238681

--- Comment #3 from Ali Juma <ajuma at chromium.org> ---
Here are the other threads. Most of them seem uninteresting except thread 12 (which is detecting this hang and generating a report) and thread 17 (which is calling into AVAudioSession).

Thread 1
0x00000001badefaac      (libsystem_kernel.dylib + 0x00000aac)           mach_msg_trap
0x00000001badf0078      (libsystem_kernel.dylib + 0x00001078)           mach_msg
0x0000000101704980      (Chrome -exception_handler.cc:492)              google_breakpad::ExceptionHandler::WaitForMessage(void*)
0x00000001db781344      (libsystem_pthread.dylib + 0x00003344)          _pthread_start

Thread 2
0x00000001badefaac      (libsystem_kernel.dylib + 0x00000aac)           mach_msg_trap
0x00000001badf0078      (libsystem_kernel.dylib + 0x00001078)           mach_msg
0x0000000180693764      (CoreFoundation + 0x00006764)           __CFRunLoopServiceMachPort
0x0000000180697a6c      (CoreFoundation + 0x0000aa6c)           __CFRunLoopRun
0x00000001806aac2c      (CoreFoundation + 0x0001dc2c)           CFRunLoopRunSpecific
0x0000000181db3ea8      (Foundation + 0x00017ea8)               -[NSRunLoop(NSRunLoop) runMode:beforeDate:]
0x0000000181df2e8c      (Foundation + 0x00056e8c)               -[NSRunLoop(NSRunLoop) runUntilDate:]
0x0000000182e2509c      (UIKitCore + 0x0046509c)                -[UIEventFetcher threadMain]
0x0000000181e00d28      (Foundation + 0x00064d28)               __NSThread__start__
0x00000001db781344      (libsystem_pthread.dylib + 0x00003344)          _pthread_start

Thread 3
0x00000001badefaac      (libsystem_kernel.dylib + 0x00000aac)           mach_msg_trap
0x00000001badf0078      (libsystem_kernel.dylib + 0x00001078)           mach_msg
0x0000000180693764      (CoreFoundation + 0x00006764)           __CFRunLoopServiceMachPort
0x0000000180697a6c      (CoreFoundation + 0x0000aa6c)           __CFRunLoopRun
0x00000001806aac2c      (CoreFoundation + 0x0001dc2c)           CFRunLoopRunSpecific
0x0000000181db3ea8      (Foundation + 0x00017ea8)               -[NSRunLoop(NSRunLoop) runMode:beforeDate:]
0x0000000101243eac      (Chrome -message_pump_mac.mm:656)               base::MessagePumpNSRunLoop::DoRun(base::MessagePump::Delegate*)
0x0000000101242d1c      (Chrome -message_pump_mac.mm:161)               base::MessagePumpCFRunLoopBase::Run(base::MessagePump::Delegate*)
0x00000001012111bc      (Chrome -thread_controller_with_message_pump_impl.cc:468)               base::sequence_manager::internal::ThreadControllerWithMessagePumpImpl::Run(bool, base::TimeDelta)
0x00000001011ea800      (Chrome -run_loop.cc:140)               base::RunLoop::Run(base::Location const&)
0x0000000101226780      (Chrome -thread.cc:334)         base::Thread::Run(base::RunLoop*)
0x00000001012268fc      (Chrome -thread.cc:405)         base::Thread::ThreadMain()
0x000000010123d294      (Chrome -platform_thread_posix.cc:99)           base::(anonymous namespace)::ThreadFunc(void*)
0x00000001db781344      (libsystem_pthread.dylib + 0x00003344)          _pthread_start

Thread 4
0x00000001badefaac      (libsystem_kernel.dylib + 0x00000aac)           mach_msg_trap
0x00000001badf0078      (libsystem_kernel.dylib + 0x00001078)           mach_msg
0x0000000180693764      (CoreFoundation + 0x00006764)           __CFRunLoopServiceMachPort
0x0000000180697a6c      (CoreFoundation + 0x0000aa6c)           __CFRunLoopRun
0x00000001806aac2c      (CoreFoundation + 0x0001dc2c)           CFRunLoopRunSpecific
0x0000000181db3ea8      (Foundation + 0x00017ea8)               -[NSRunLoop(NSRunLoop) runMode:beforeDate:]
0x0000000101243eac      (Chrome -message_pump_mac.mm:656)               base::MessagePumpNSRunLoop::DoRun(base::MessagePump::Delegate*)
0x0000000101242d1c      (Chrome -message_pump_mac.mm:161)               base::MessagePumpCFRunLoopBase::Run(base::MessagePump::Delegate*)
0x00000001012111bc      (Chrome -thread_controller_with_message_pump_impl.cc:468)               base::sequence_manager::internal::ThreadControllerWithMessagePumpImpl::Run(bool, base::TimeDelta)
0x00000001011ea800      (Chrome -run_loop.cc:140)               base::RunLoop::Run(base::Location const&)
0x0000000101226780      (Chrome -thread.cc:334)         base::Thread::Run(base::RunLoop*)
0x0000000101218c9c      (Chrome -service_thread.cc:15)          base::internal::ServiceThread::Run(base::RunLoop*)
0x00000001012268fc      (Chrome -thread.cc:405)         base::Thread::ThreadMain()
0x000000010123d294      (Chrome -platform_thread_posix.cc:99)           base::(anonymous namespace)::ThreadFunc(void*)
0x00000001db781344      (libsystem_pthread.dylib + 0x00003344)          _pthread_start

Thread 5
0x00000001badefaac      (libsystem_kernel.dylib + 0x00000aac)           mach_msg_trap
0x00000001badf0078      (libsystem_kernel.dylib + 0x00001078)           mach_msg
0x0000000101245a0c      (Chrome -waitable_event_mac.cc:170)             base::WaitableEvent::TimedWait(base::TimeDelta const&)
0x0000000101222568      (Chrome -worker_thread.cc:75)           base::internal::WorkerThread::Delegate::WaitForWork(base::WaitableEvent*)
0x0000000101223008      (Chrome -worker_thread.cc:371)          base::internal::WorkerThread::RunWorker()
0x0000000101222b6c      (Chrome -worker_thread.cc:267)          base::internal::WorkerThread::RunPooledWorker()
0x000000010123d294      (Chrome -platform_thread_posix.cc:99)           base::(anonymous namespace)::ThreadFunc(void*)
0x00000001db781344      (libsystem_pthread.dylib + 0x00003344)          _pthread_start

Thread 6
0x00000001badefaac      (libsystem_kernel.dylib + 0x00000aac)           mach_msg_trap
0x00000001badf0078      (libsystem_kernel.dylib + 0x00001078)           mach_msg
0x0000000101245a0c      (Chrome -waitable_event_mac.cc:170)             base::WaitableEvent::TimedWait(base::TimeDelta const&)
0x0000000101222568      (Chrome -worker_thread.cc:75)           base::internal::WorkerThread::Delegate::WaitForWork(base::WaitableEvent*)
0x0000000101223008      (Chrome -worker_thread.cc:371)          base::internal::WorkerThread::RunWorker()
0x0000000101222ae8      (Chrome -worker_thread.cc:272)          base::internal::WorkerThread::RunBackgroundPooledWorker()
0x000000010123d294      (Chrome -platform_thread_posix.cc:99)           base::(anonymous namespace)::ThreadFunc(void*)
0x00000001db781344      (libsystem_pthread.dylib + 0x00003344)          _pthread_start

Thread 7
0x00000001badefaac      (libsystem_kernel.dylib + 0x00000aac)           mach_msg_trap
0x00000001badf0078      (libsystem_kernel.dylib + 0x00001078)           mach_msg
0x0000000180693764      (CoreFoundation + 0x00006764)           __CFRunLoopServiceMachPort
0x0000000180697a6c      (CoreFoundation + 0x0000aa6c)           __CFRunLoopRun
0x00000001806aac2c      (CoreFoundation + 0x0001dc2c)           CFRunLoopRunSpecific
0x0000000181db3ea8      (Foundation + 0x00017ea8)               -[NSRunLoop(NSRunLoop) runMode:beforeDate:]
0x0000000101243eac      (Chrome -message_pump_mac.mm:656)               base::MessagePumpNSRunLoop::DoRun(base::MessagePump::Delegate*)
0x0000000101242d1c      (Chrome -message_pump_mac.mm:161)               base::MessagePumpCFRunLoopBase::Run(base::MessagePump::Delegate*)
0x00000001012111bc      (Chrome -thread_controller_with_message_pump_impl.cc:468)               base::sequence_manager::internal::ThreadControllerWithMessagePumpImpl::Run(bool, base::TimeDelta)
0x00000001011ea800      (Chrome -run_loop.cc:140)               base::RunLoop::Run(base::Location const&)
0x0000000101226780      (Chrome -thread.cc:334)         base::Thread::Run(base::RunLoop*)
0x0000000100c94f78      (Chrome -web_sub_thread.cc:117)         web::WebSubThread::IOThreadRun(base::RunLoop*)
0x00000001012268fc      (Chrome -thread.cc:405)         base::Thread::ThreadMain()
0x000000010123d294      (Chrome -platform_thread_posix.cc:99)           base::(anonymous namespace)::ThreadFunc(void*)
0x00000001db781344      (libsystem_pthread.dylib + 0x00003344)          _pthread_start

Thread 8
0x00000001badefaac      (libsystem_kernel.dylib + 0x00000aac)           mach_msg_trap
0x00000001badf0078      (libsystem_kernel.dylib + 0x00001078)           mach_msg
0x0000000101245a0c      (Chrome -waitable_event_mac.cc:170)             base::WaitableEvent::TimedWait(base::TimeDelta const&)
0x0000000101222568      (Chrome -worker_thread.cc:75)           base::internal::WorkerThread::Delegate::WaitForWork(base::WaitableEvent*)
0x0000000101223008      (Chrome -worker_thread.cc:371)          base::internal::WorkerThread::RunWorker()
0x0000000101222ae8      (Chrome -worker_thread.cc:272)          base::internal::WorkerThread::RunBackgroundPooledWorker()
0x000000010123d294      (Chrome -platform_thread_posix.cc:99)           base::(anonymous namespace)::ThreadFunc(void*)
0x00000001db781344      (libsystem_pthread.dylib + 0x00003344)          _pthread_start

Thread 9
0x00000001badf0688      (libsystem_kernel.dylib + 0x00001688)           __ulock_wait
0x00000001db779120      (libsystem_platform.dylib + 0x00008120)         _os_unfair_lock_lock_slow
0x00000001db784e20      (libsystem_pthread.dylib + 0x00006e20)          pthread_mach_thread_np
0x000000018bfc672c      (JavaScriptCore + 0x000000000113372c)           pas_thread_local_cache_for_all
0x000000018bfb41b4      (JavaScriptCore + 0x00000000011211b4)           scavenger_thread_main
0x00000001db781344      (libsystem_pthread.dylib + 0x00003344)          _pthread_start

Thread 10
0x00000001badefaac      (libsystem_kernel.dylib + 0x00000aac)           mach_msg_trap
0x00000001badf0078      (libsystem_kernel.dylib + 0x00001078)           mach_msg
0x0000000101245a0c      (Chrome -waitable_event_mac.cc:170)             base::WaitableEvent::TimedWait(base::TimeDelta const&)
0x0000000101222568      (Chrome -worker_thread.cc:75)           base::internal::WorkerThread::Delegate::WaitForWork(base::WaitableEvent*)
0x0000000101223008      (Chrome -worker_thread.cc:371)          base::internal::WorkerThread::RunWorker()
0x0000000101222b98      (Chrome -worker_thread.cc:277)          base::internal::WorkerThread::RunSharedWorker()
0x000000010123d294      (Chrome -platform_thread_posix.cc:99)           base::(anonymous namespace)::ThreadFunc(void*)
0x00000001db781344      (libsystem_pthread.dylib + 0x00003344)          _pthread_start

Thread 11
0x00000001badefaac      (libsystem_kernel.dylib + 0x00000aac)           mach_msg_trap
0x00000001badf0078      (libsystem_kernel.dylib + 0x00001078)           mach_msg
0x0000000101245a0c      (Chrome -waitable_event_mac.cc:170)             base::WaitableEvent::TimedWait(base::TimeDelta const&)
0x0000000101222568      (Chrome -worker_thread.cc:75)           base::internal::WorkerThread::Delegate::WaitForWork(base::WaitableEvent*)
0x0000000101223008      (Chrome -worker_thread.cc:371)          base::internal::WorkerThread::RunWorker()
0x0000000101222b6c      (Chrome -worker_thread.cc:267)          base::internal::WorkerThread::RunPooledWorker()
0x000000010123d294      (Chrome -platform_thread_posix.cc:99)           base::(anonymous namespace)::ThreadFunc(void*)
0x00000001db781344      (libsystem_pthread.dylib + 0x00003344)          _pthread_start

Thread 12
0x00000001badefaac      (libsystem_kernel.dylib + 0x00000aac)           mach_msg_trap
0x00000001badf0078      (libsystem_kernel.dylib + 0x00001078)           mach_msg
0x00000001badf65fc      (libsystem_kernel.dylib + 0x000075fc)           thread_get_state
0x000000016fff227c                      
0x00000001017076c8      (Chrome -minidump_generator.cc:974)             google_breakpad::MinidumpGenerator::WriteThreadStream(unsigned int, MDRawThread*)
0x00000001017069a0      (Chrome -minidump_generator.cc:1021)            google_breakpad::MinidumpGenerator::WriteThreadListStream(MDRawDirectory*)
0x0000000101706804      (Chrome -minidump_generator.cc:271)             google_breakpad::MinidumpGenerator::Write(char const*)
0x0000000101702ca4      (Chrome -Breakpad.mm:580)               Breakpad::GenerateReport(NSDictionary*)
0x0000000100d54108      (Chrome -main_thread_freeze_detector.mm:275)            -[MainThreadFreezeDetector recordHangWithBreakpadRef:]
0x00000001803df090      (libdispatch.dylib + 0x00063090)                _dispatch_call_block_and_release
0x00000001803e0090      (libdispatch.dylib + 0x00064090)                _dispatch_client_callout
0x00000001803bb4a0      (libdispatch.dylib + 0x0003f4a0)                _dispatch_lane_serial_drain$VARIANT$armv81
0x00000001803bbf40      (libdispatch.dylib + 0x0003ff40)                _dispatch_lane_invoke$VARIANT$armv81
0x00000001803c58dc      (libdispatch.dylib + 0x000498dc)                _dispatch_workloop_worker_thread
0x00000001db77fe0c      (libsystem_pthread.dylib + 0x00001e0c)          _pthread_wqthread

Thread 13
0x00000001badefaac      (libsystem_kernel.dylib + 0x00000aac)           mach_msg_trap
0x00000001badf0078      (libsystem_kernel.dylib + 0x00001078)           mach_msg
0x0000000101245a0c      (Chrome -waitable_event_mac.cc:170)             base::WaitableEvent::TimedWait(base::TimeDelta const&)
0x0000000101222568      (Chrome -worker_thread.cc:75)           base::internal::WorkerThread::Delegate::WaitForWork(base::WaitableEvent*)
0x0000000101223008      (Chrome -worker_thread.cc:371)          base::internal::WorkerThread::RunWorker()
0x0000000101222ae8      (Chrome -worker_thread.cc:272)          base::internal::WorkerThread::RunBackgroundPooledWorker()
0x000000010123d294      (Chrome -platform_thread_posix.cc:99)           base::(anonymous namespace)::ThreadFunc(void*)
0x00000001db781344      (libsystem_pthread.dylib + 0x00003344)          _pthread_start

Thread 14
0x00000001badefaac      (libsystem_kernel.dylib + 0x00000aac)           mach_msg_trap
0x00000001badf0078      (libsystem_kernel.dylib + 0x00001078)           mach_msg
0x0000000180693764      (CoreFoundation + 0x00006764)           __CFRunLoopServiceMachPort
0x0000000180697a6c      (CoreFoundation + 0x0000aa6c)           __CFRunLoopRun
0x00000001806aac2c      (CoreFoundation + 0x0001dc2c)           CFRunLoopRunSpecific
0x0000000181db3ea8      (Foundation + 0x00017ea8)               -[NSRunLoop(NSRunLoop) runMode:beforeDate:]
0x0000000101243eac      (Chrome -message_pump_mac.mm:656)               base::MessagePumpNSRunLoop::DoRun(base::MessagePump::Delegate*)
0x0000000101242d1c      (Chrome -message_pump_mac.mm:161)               base::MessagePumpCFRunLoopBase::Run(base::MessagePump::Delegate*)
0x00000001012111bc      (Chrome -thread_controller_with_message_pump_impl.cc:468)               base::sequence_manager::internal::ThreadControllerWithMessagePumpImpl::Run(bool, base::TimeDelta)
0x00000001011ea800      (Chrome -run_loop.cc:140)               base::RunLoop::Run(base::Location const&)
0x0000000101226780      (Chrome -thread.cc:334)         base::Thread::Run(base::RunLoop*)
0x00000001012268fc      (Chrome -thread.cc:405)         base::Thread::ThreadMain()
0x000000010123d294      (Chrome -platform_thread_posix.cc:99)           base::(anonymous namespace)::ThreadFunc(void*)
0x00000001db781344      (libsystem_pthread.dylib + 0x00003344)          _pthread_start

Thread 15
0x00000001badefaac      (libsystem_kernel.dylib + 0x00000aac)           mach_msg_trap
0x00000001badf0078      (libsystem_kernel.dylib + 0x00001078)           mach_msg
0x0000000180693764      (CoreFoundation + 0x00006764)           __CFRunLoopServiceMachPort
0x0000000180697a6c      (CoreFoundation + 0x0000aa6c)           __CFRunLoopRun
0x00000001806aac2c      (CoreFoundation + 0x0001dc2c)           CFRunLoopRunSpecific
0x00000001810afdc8      (CFNetwork + 0x00247dc8)                _CFURLStorageSessionDisableCache
0x0000000181e00d28      (Foundation + 0x00064d28)               __NSThread__start__
0x00000001db781344      (libsystem_pthread.dylib + 0x00003344)          _pthread_start

Thread 16
0x00000001badf0014      (libsystem_kernel.dylib + 0x00001014)           __workq_kernreturn
0x00000001db77fe58      (libsystem_pthread.dylib + 0x00001e58)          _pthread_wqthread

Thread 17
0x00000001db784e38      (libsystem_pthread.dylib + 0x00006e38)          pthread_mach_thread_np
0x00000001db784e20      (libsystem_pthread.dylib + 0x00006e20)          pthread_mach_thread_np
0x000000018943b958      (AudioSession + 0x0000f958)             CADeprecated::CAPThread::SetPriority(_opaque_pthread_t*, unsigned int, bool)
0x000000018943b8b4      (AudioSession + 0x0000f8b4)             ___ZN8avfaudio28GetNotificationRunLoopThreadEv_block_invoke
0x00000001803e0090      (libdispatch.dylib + 0x00064090)                _dispatch_client_callout
0x00000001803b0bf0      (libdispatch.dylib + 0x00034bf0)                _dispatch_once_callout
0x000000018943c840      (AudioSession + 0x00010840)             avfaudio::GetNotificationRunLoopThread()
0x0000000189439498      (AudioSession + 0x0000d498)             -[AVAudioSession initWithSessionType:identifier:]
0x0000000189431b0c      (AudioSession + 0x00005b0c)             -[AVAudioSession initWithSessionType:]
0x000000018943194c      (AudioSession + 0x0000594c)             +[AVAudioSession auxiliarySession]
0x000000018abc80a8      (CoreHaptics + 0x0000d0a8)              -[CHHapticEngine initWithAudioSession:sessionIsShared:options:error:]
0x000000018abc3954      (CoreHaptics + 0x00008954)              -[CHHapticEngine initWithAudioSession:sessionIsShared:error:]
0x0000000182f3ffc4      (UIKitCore + 0x0057ffc4)                -[_UIFeedbackCoreHapticsEngine _internal_createCoreHapticsEngine]
0x0000000182e481d4      (UIKitCore + 0x004881d4)                -[_UIFeedbackCoreHapticsHapticsOnlyEngine _internal_createCoreHapticsEngine]
0x0000000182f2f344      (UIKitCore + 0x0056f344)                -[_UIFeedbackCoreHapticsEngine _internal_initializeCoreHapticsEngine]
0x0000000182f43370      (UIKitCore + 0x00583370)                -[_UIFeedbackCoreHapticsEngine _internal_activateUnderlyingPlayerWithCompletion:]
0x0000000182fdb5e4      (UIKitCore + 0x0061b5e4)                -[_UIFeedbackEngine _internal_activateEngine]
0x0000000182c29704      (UIKitCore + 0x00269704)                -[_UIFeedbackEngine _internal_activate:andPerformWhenRunning:]
0x00000001803df090      (libdispatch.dylib + 0x00063090)                _dispatch_call_block_and_release
0x00000001803e0090      (libdispatch.dylib + 0x00064090)                _dispatch_client_callout
0x00000001803bb4a0      (libdispatch.dylib + 0x0003f4a0)                _dispatch_lane_serial_drain$VARIANT$armv81
0x00000001803bbf40      (libdispatch.dylib + 0x0003ff40)                _dispatch_lane_invoke$VARIANT$armv81
0x00000001803c58dc      (libdispatch.dylib + 0x000498dc)                _dispatch_workloop_worker_thread
0x00000001db77fe0c      (libsystem_pthread.dylib + 0x00001e0c)          _pthread_wqthread

Thread 18
0x00000001badf0014      (libsystem_kernel.dylib + 0x00001014)           __workq_kernreturn
0x00000001db77fe58      (libsystem_pthread.dylib + 0x00001e58)          _pthread_wqthread

Thread 19
0x00000001badefaac      (libsystem_kernel.dylib + 0x00000aac)           mach_msg_trap
0x00000001badf0078      (libsystem_kernel.dylib + 0x00001078)           mach_msg
0x0000000101245a0c      (Chrome -waitable_event_mac.cc:170)             base::WaitableEvent::TimedWait(base::TimeDelta const&)
0x0000000101222568      (Chrome -worker_thread.cc:75)           base::internal::WorkerThread::Delegate::WaitForWork(base::WaitableEvent*)
0x0000000101223008      (Chrome -worker_thread.cc:371)          base::internal::WorkerThread::RunWorker()
0x0000000101222b6c      (Chrome -worker_thread.cc:267)          base::internal::WorkerThread::RunPooledWorker()
0x000000010123d294      (Chrome -platform_thread_posix.cc:99)           base::(anonymous namespace)::ThreadFunc(void*)
0x00000001db781344      (libsystem_pthread.dylib + 0x00003344)          _pthread_start

Thread 20
0x00000001badefaac      (libsystem_kernel.dylib + 0x00000aac)           mach_msg_trap
0x00000001badf0078      (libsystem_kernel.dylib + 0x00001078)           mach_msg
0x0000000101245a0c      (Chrome -waitable_event_mac.cc:170)             base::WaitableEvent::TimedWait(base::TimeDelta const&)
0x0000000101222568      (Chrome -worker_thread.cc:75)           base::internal::WorkerThread::Delegate::WaitForWork(base::WaitableEvent*)
0x0000000101222d04      (Chrome -worker_thread.cc:346)          base::internal::WorkerThread::RunWorker()
0x0000000101222b6c      (Chrome -worker_thread.cc:267)          base::internal::WorkerThread::RunPooledWorker()
0x000000010123d294      (Chrome -platform_thread_posix.cc:99)           base::(anonymous namespace)::ThreadFunc(void*)
0x00000001db781344      (libsystem_pthread.dylib + 0x00003344)          _pthread_start

Thread 21
0x00000001badefaac      (libsystem_kernel.dylib + 0x00000aac)           mach_msg_trap
0x00000001badf0078      (libsystem_kernel.dylib + 0x00001078)           mach_msg
0x0000000180693764      (CoreFoundation + 0x00006764)           __CFRunLoopServiceMachPort
0x0000000180697a6c      (CoreFoundation + 0x0000aa6c)           __CFRunLoopRun
0x00000001806aac2c      (CoreFoundation + 0x0001dc2c)           CFRunLoopRunSpecific
0x0000000189432474      (AudioSession + 0x00006474)             CADeprecated::GenericRunLoopThread::Entry(void*)
0x000000018943b7c4      (AudioSession + 0x0000f7c4)             CADeprecated::CAPThread::Entry(CADeprecated::CAPThread*)
0x00000001db781344      (libsystem_pthread.dylib + 0x00003344)          _pthread_start

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