Bug 230531 – [WinCairo] jquery/offset.html is randomly failing an assertion in DrawingAreaCoordinatedGraphics::layerHostDidFlushLayers

• Status: RESOLVED
• Resolution: FIXED
• Component: WebKit2

[Fujii Hironori]

[WinCairo] jquery/offset.html is randomly failing an assertion in DrawingAreaCoordinatedGraphics::layerHostDidFlushLayers

WinCairo WebKit2 Debug build.

Regressions: Unexpected crashes (1)
  jquery/offset.html [ Crash ]

ASSERTION FAILED: m_layerTreeHost
C:\home\webkit\gb\Source\WebKit\WebProcess\WebPage\CoordinatedGraphics\DrawingAreaCoordinatedGraphics.cpp(369) : WebKit::DrawingAreaCoordinatedGraphics::layerHostDidFlushLayers
1   00007FF9610A1DEB WTFCrash
2   00007FF913CB967E WTFCrashWithInfo
3   00007FF913D7945C WebKit::DrawingAreaCoordinatedGraphics::layerHostDidFlushLayers
4   00007FF913D80850 WebKit::LayerTreeHost::layerFlushTimerFired
5   00007FF913D8179E std::invoke<void (__cdecl WebKit::LayerTreeHost::*&)(void),WebKit::LayerTreeHost * &>
6   00007FF913D8126E std::_Invoker_ret<std::_Unforced,0>::_Call<void (__cdecl WebKit::LayerTreeHost::*&)(void),WebKit::LayerTreeHost * &>
7   00007FF913D812D1 std::_Call_binder<std::_Unforced,0,void (__cdecl WebKit::LayerTreeHost::*)(void),std::tuple<WebKit::LayerTreeHost *>,std::tuple<> >
8   00007FF913D8123B std::_Binder<std::_Unforced,void (__cdecl WebKit::LayerTreeHost::*&)(void),WebKit::LayerTreeHost *>::operator()<>
9   00007FF913D829AB WTF::Detail::CallableWrapper<std::_Binder<std::_Unforced,void (__cdecl WebKit::LayerTreeHost::*&)(void),WebKit::LayerTreeHost *>,void>::call
10  00007FF913CB82A4 WTF::Function<void __cdecl(void)>::operator()
11  00007FF913D82BCB WebCore::Timer::fired
12  00007FF918793B00 WebCore::ThreadTimers::sharedTimerFiredInternal
13  00007FF91879808F <lambda_262b710db5e1fd9cbe42ca9bc65314e1>::operator()
14  00007FF91879820B WTF::Detail::CallableWrapper<<lambda_262b710db5e1fd9cbe42ca9bc65314e1>,void>::call
15  00007FF913CB82A4 WTF::Function<void __cdecl(void)>::operator()
16  00007FF9187507E7 WebCore::MainThreadSharedTimer::fired
17  00007FF91570D42A WebCore::TimerWindowWndProc
18  00007FF98E64E7E8 CallWindowProcW
19  00007FF98E64E229 DispatchMessageW
20  00007FF961214B86 WTF::RunLoop::run
21  00007FF913D8930B WebKit::AuxiliaryProcessMainBase<WebKit::WebProcess,1>::run
22  00007FF913D890D3 WebKit::AuxiliaryProcessMain<WebKit::WebProcessMainWin>
23  00007FF913D88F15 WebKit::WebProcessMain
24  00007FF6209E101D main
25  00007FF6209E125C __scrt_common_main_seh
26  00007FF98FA17034 BaseThreadInitThunk
27  00007FF98FD22651 RtlUserThreadStart

[Fujii Hironori]

Created attachment 438788 [details]
Patch

[Fujii Hironori]

Comment on attachment 438788 [details]
Patch

Clearing flags on attachment: 438788

Committed r282836 (241967@main): <https://commits.webkit.org/241967@main>

[Fujii Hironori]

All reviewed patches have been landed.  Closing bug.

[Radar WebKit Bug Importer]

<rdar://problem/83365558>