[Webkit-unassigned] [Bug 221989] New: [ BigSur Debug Wk 2 ] imported/w3c/web-platform-tests/html/editing/editing-0/contenteditable/selection-in-contentEditable-at-turning-designMode-on-off.tentative.html is flakey crashing

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=221989

            Bug ID: 221989
           Summary: [ BigSur Debug Wk 2 ]
                    imported/w3c/web-platform-tests/html/editing/editing-0
                    /contenteditable/selection-in-contentEditable-at-turni
                    ng-designMode-on-off.tentative.html is flakey crashing
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: New Bugs
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: Jenner at apple.com

imported/w3c/web-platform-tests/html/editing/editing-0/contenteditable/selection-in-contentEditable-at-turning-designMode-on-off.tentative.html

is flakey crashing in BigSur Debug in Wk 2. 

HISTORY URL:
https://results.webkit.org/?suite=layout-tests&test=imported%2Fw3c%2Fweb-platform-tests%2Fhtml%2Fediting%2Fediting-0%2Fcontenteditable%2Fselection-in-contentEditable-at-turning-designMode-on-off.tentative.html&platform=mac

CRASH LOG TEXT:
No crash log found for GPUProcess:10707.

stdout:

stderr:
SHOULD NEVER BE REACHED
./platform/graphics/displaylists/DisplayListItems.cpp(817) : void WebCore::DisplayList::PaintFrameForMedia::apply(WebCore::GraphicsContext &) const
1   0x13c59ea49 WTFCrash
2   0x11e96af2b WTFCrashWithInfo(int, char const*, char const*, int)
3   0x122f27783 WebCore::DisplayList::PaintFrameForMedia::apply(WebCore::GraphicsContext&) const
4   0x122f1024e WebCore::DisplayList::ItemHandle::apply(WebCore::GraphicsContext&)
5   0x122f3304b WebCore::DisplayList::Replayer::applyItem(WebCore::DisplayList::ItemHandle)
6   0x122f33b34 WebCore::DisplayList::Replayer::replay(WebCore::FloatRect const&, bool)
7   0x10ff01b93 WebKit::RemoteRenderingBackend::submit(WebCore::DisplayList::DisplayList const&, WebCore::ImageBuffer&)
8   0x10ff01eda WebKit::RemoteRenderingBackend::nextDestinationImageBufferAfterApplyingDisplayLists(WebCore::ImageBuffer&, unsigned long, WebKit::DisplayListReaderHandle&, WebKit::GPUProcessWakeupReason)
9   0x10ff01700 WebKit::RemoteRenderingBackend::wakeUpAndApplyDisplayList(WebKit::GPUProcessWakeupMessageArguments const&)
10  0x10fec4760 void IPC::callMemberFunctionImpl<WebKit::RemoteRenderingBackend, void (WebKit::RemoteRenderingBackend::*)(WebKit::GPUProcessWakeupMessageArguments const&), std::__1::tuple<WebKit::GPUProcessWakeupMessageArguments>, 0ul>(WebKit::RemoteRenderingBackend*, void (WebKit::RemoteRenderingBackend::*)(WebKit::GPUProcessWakeupMessageArguments const&), std::__1::tuple<WebKit::GPUProcessWakeupMessageArguments>&&, std::__1::integer_sequence<unsigned long, 0ul>)
11  0x10fec3d30 void IPC::callMemberFunction<WebKit::RemoteRenderingBackend, void (WebKit::RemoteRenderingBackend::*)(WebKit::GPUProcessWakeupMessageArguments const&), std::__1::tuple<WebKit::GPUProcessWakeupMessageArguments>, std::__1::integer_sequence<unsigned long, 0ul> >(std::__1::tuple<WebKit::GPUProcessWakeupMessageArguments>&&, WebKit::RemoteRenderingBackend*, void (WebKit::RemoteRenderingBackend::*)(WebKit::GPUProcessWakeupMessageArguments const&))
12  0x10fea6776 void IPC::handleMessage<Messages::RemoteRenderingBackend::WakeUpAndApplyDisplayList, WebKit::RemoteRenderingBackend, void (WebKit::RemoteRenderingBackend::*)(WebKit::GPUProcessWakeupMessageArguments const&)>(IPC::Decoder&, WebKit::RemoteRenderingBackend*, void (WebKit::RemoteRenderingBackend::*)(WebKit::GPUProcessWakeupMessageArguments const&))
13  0x10fea63aa WebKit::RemoteRenderingBackend::didReceiveMessage(IPC::Connection&, IPC::Decoder&)
14  0x10f4f1135 IPC::Connection::dispatchWorkQueueMessageReceiverMessage(IPC::Connection::WorkQueueMessageReceiver&, IPC::Decoder&)
15  0x10f51a87a IPC::Connection::dispatchMessageToWorkQueueReceiver(std::__1::unique_ptr<IPC::Decoder, std::__1::default_delete<IPC::Decoder> >&)::$_10::operator()()
16  0x10f51a74e WTF::Detail::CallableWrapper<IPC::Connection::dispatchMessageToWorkQueueReceiver(std::__1::unique_ptr<IPC::Decoder, std::__1::default_delete<IPC::Decoder> >&)::$_10, void>::call()
17  0x13c5ca332 WTF::Function<void ()>::operator()() const
18  0x13c6ee8de WTF::WorkQueue::dispatch(WTF::Function<void ()>&&)::$_0::operator()() const
19  0x13c6eeae2 WTF::BlockPtr<void ()> WTF::BlockPtr<void ()>::fromCallable<WTF::WorkQueue::dispatch(WTF::Function<void ()>&&)::$_0>(WTF::WorkQueue::dispatch(WTF::Function<void ()>&&)::$_0)::'lambda'(void*)::operator()(void*) const
20  0x13c6eeab5 WTF::BlockPtr<void ()> WTF::BlockPtr<void ()>::fromCallable<WTF::WorkQueue::dispatch(WTF::Function<void ()>&&)::$_0>(WTF::WorkQueue::dispatch(WTF::Function<void ()>&&)::$_0)::'lambda'(void*)::__invoke(void*)
21  0x7fff201bc5dd _dispatch_call_block_and_release
22  0x7fff201bd7c7 _dispatch_client_callout
23  0x7fff201c35fe _dispatch_lane_serial_drain
24  0x7fff201c40cb _dispatch_lane_invoke
25  0x7fff201cdc5d _dispatch_workloop_worker_thread
26  0x7fff20365499 _pthread_wqthread
27  0x7fff20364467 start_wqthread
LEAK: 1 WebPageProxy

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