[Webkit-unassigned] [Bug 274800] New: [Win] ASSERTION FAILED: shader for fast/canvas/webgl/canvas-zero-size.html

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=274800

            Bug ID: 274800
           Summary: [Win] ASSERTION FAILED: shader for
                    fast/canvas/webgl/canvas-zero-size.html
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: WebGL
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: Hironori.Fujii at sony.com
                CC: djg at apple.com, kbr at google.com, kkinnunen at apple.com

Our internal WinCairo Debug layout test buildbot is reporting an assertion failure.
However, this is not reproducible on public WinCairo buildbot and my PC.

  fast/canvas/webgl/canvas-zero-size.html [ Crash ]

ASSERTION FAILED: shader
C:\webkit\build\Source\WebCore\platform\graphics\angle\GraphicsContextGLANGLE.cpp(1492) : virtual void WebCore::GraphicsContextGLANGLE::shaderSource(PlatformGLObject, const String &)
1   00007FFFAB0E1CA9 WTFCrash
2   00007FFF9E742EFD WTFCrashWithInfo
3   00007FFF9E8C660E WebCore::GraphicsContextGLANGLE::shaderSource
4   00007FFF9C41B69E WebKit::RemoteGraphicsContextGL::shaderSource
5   00007FFF9C488D1C IPC::callMemberFunction<WebKit::RemoteGraphicsContextGL,WebKit::RemoteGraphicsContextGL,void (unsigned int, WTF::String &&),std::tuple<unsigned int,WTF::String> >::<lambda_1>::operator()<unsigned int,WTF::String>
6   00007FFF9C488CB7 std::invoke<`lambda at C:\webkit\build\Source\WebKit\Platform\IPC\HandleMessage.h:134:9',unsigned int,WTF::String>
7   00007FFF9C488C7E std::_Apply_impl<`lambda at C:\webkit\build\Source\WebKit\Platform\IPC\HandleMessage.h:134:9',std::tuple<unsigned int,WTF::String>,0,1>
8   00007FFF9C488C32 std::apply<`lambda at C:\webkit\build\Source\WebKit\Platform\IPC\HandleMessage.h:134:9',std::tuple<unsigned int,WTF::String> >
9   00007FFF9C48858F IPC::callMemberFunction<WebKit::RemoteGraphicsContextGL,WebKit::RemoteGraphicsContextGL,void (unsigned int, WTF::String &&),std::tuple<unsigned int,WTF::String> >
10  00007FFF9C41B5EA IPC::handleMessage<Messages::RemoteGraphicsContextGL::ShaderSource,WebKit::RemoteGraphicsContextGL,WebKit::RemoteGraphicsContextGL,void (unsigned int, WTF::String &&)>
11  00007FFF9C3E49F5 WebKit::RemoteGraphicsContextGL::didReceiveStreamMessage
12  00007FFF9CA52D77 IPC::StreamServerConnection::dispatchStreamMessage
13  00007FFF9CA51C56 IPC::StreamServerConnection::dispatchStreamMessages
14  00007FFF9CA517C4 IPC::StreamConnectionWorkQueue::processStreams
15  00007FFF9CA5383F IPC::StreamConnectionWorkQueue::startProcessingThread::<lambda_0>::operator()
16  00007FFF9CA537E7 WTF::Detail::CallableWrapper<`lambda at C:\webkit\build\Source\WebKit\Platform\IPC\StreamConnectionWorkQueue.cpp:123:17',void>::call
17  00007FFFAB0FA324 WTF::Function<void ()>::operator()
18  00007FFFAB190BF6 WTF::Thread::entryPoint
19  00007FFFAB2787C3 WTF::wtfThreadEntryPoint
20  00007FF800A01BB2 configthreadlocale
21  00007FF801D27344 BaseThreadInitThunk
22  00007FF802B026B1 RtlUserThreadStart
ERROR: 000001D54D9B9100 - GPUProcessProxy::didClose:
C:\webkit\build\Source\WebKit\UIProcess/GPU/GPUProcessProxy.cpp(564) : virtual void WebKit::GPUProcessProxy::didClose(IPC::Connection &)
ERROR: 000001D54D9B9100 - GPUProcessProxy::gpuProcessExited: reason=Crash
C:\webkit\build\Source\WebKit\UIProcess/GPU/GPUProcessProxy.cpp(517) : void WebKit::GPUProcessProxy::gpuProcessExited(ProcessTerminationReason)
GPUProcess terminated (pid 18712) for reason: crash

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