[Webkit-unassigned] [Bug 65637] Crash beneath PlatformCALayerWinInternal::updateTiles when zooming on Google Maps

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=65637





--- Comment #4 from Adam Roben (:aroben) <aroben at apple.com>  2011-08-03 13:21:02 PST ---
I set a breakpoint on GraphicsLayer::setSize to try to figure out where the huge size is coming from. Here's where it got hit, when passed a rect of size 67108864x67108864:


>	WebKit.dll!WebCore::GraphicsLayer::setSize(const WebCore::FloatSize & size={...})  Line 246	C++
     WebKit.dll!WebCore::GraphicsLayerCA::setSize(const WebCore::FloatSize & size={...})  Line 402    C++
     WebKit.dll!WebCore::RenderLayerBacking::updateGraphicsLayerGeometry()  Line 422 + 0x2d bytes    C++
     WebKit.dll!WebCore::RenderLayerCompositor::rebuildCompositingLayerTree(WebCore::RenderLayer * layer=0x22bbc6bc, const WebCore::CompositingState & compositingState={...}, WTF::Vector<WebCore::GraphicsLayer *,0> & childLayersOfEnclosingLayer=[0]())  Line 850    C++
     WebKit.dll!WebCore::RenderLayerCompositor::rebuildCompositingLayerTree(WebCore::RenderLayer * layer=0x0c8ac69c, const WebCore::CompositingState & compositingState={...}, WTF::Vector<WebCore::GraphicsLayer *,0> & childLayersOfEnclosingLayer=[0]())  Line 902    C++
     WebKit.dll!WebCore::RenderLayerCompositor::rebuildCompositingLayerTree(WebCore::RenderLayer * layer=0x0aa51024, const WebCore::CompositingState & compositingState={...}, WTF::Vector<WebCore::GraphicsLayer *,0> & childLayersOfEnclosingLayer=[0]())  Line 902    C++
     WebKit.dll!WebCore::RenderLayerCompositor::rebuildCompositingLayerTree(WebCore::RenderLayer * layer=0x064ad8e4, const WebCore::CompositingState & compositingState={...}, WTF::Vector<WebCore::GraphicsLayer *,0> & childLayersOfEnclosingLayer=[0]())  Line 902    C++
     WebKit.dll!WebCore::RenderLayerCompositor::rebuildCompositingLayerTree(WebCore::RenderLayer * layer=0x064da904, const WebCore::CompositingState & compositingState={...}, WTF::Vector<WebCore::GraphicsLayer *,0> & childLayersOfEnclosingLayer=[0]())  Line 902    C++
     WebKit.dll!WebCore::RenderLayerCompositor::updateCompositingLayers(WebCore::CompositingUpdateType updateType=CompositingUpdateAfterLayoutOrStyleChange, WebCore::RenderLayer * updateRoot=0x064da904)  Line 307    C++
     WebKit.dll!WebCore::FrameView::updateCompositingLayers()  Line 629    C++
     WebKit.dll!WebCore::FrameView::layout(bool allowSubtree=true)  Line 1042    C++
     WebKit.dll!WebCore::Document::updateLayout()  Line 1621    C++
     WebKit.dll!WebCore::RenderLayer::hitTest(const WebCore::HitTestRequest & request={...}, WebCore::HitTestResult & result={...})  Line 2860    C++
     WebKit.dll!WebCore::Document::prepareMouseEvent(const WebCore::HitTestRequest & request={...}, const WebCore::IntPoint & documentPoint={...}, const WebCore::PlatformMouseEvent & event={...})  Line 2649    C++
     WebKit.dll!WebCore::EventHandler::prepareMouseEvent(const WebCore::HitTestRequest & request={...}, const WebCore::PlatformMouseEvent & mev={...})  Line 1924 + 0x39 bytes    C++
     WebKit.dll!WebCore::EventHandler::handleMouseMoveEvent(const WebCore::PlatformMouseEvent & mouseEvent={...}, WebCore::HitTestResult * hoveredNode=0x0012f5a4)  Line 1605    C++
     WebKit.dll!WebCore::EventHandler::mouseMoved(const WebCore::PlatformMouseEvent & event={...})  Line 1536 + 0x10 bytes    C++
     WebKit.dll!WebKit::handleMouseEvent(const WebKit::WebMouseEvent & mouseEvent={...}, WebCore::Page * page=0x03dc8f20)  Line 1053 + 0x13 bytes    C++
     WebKit.dll!WebKit::WebPage::mouseEvent(const WebKit::WebMouseEvent & mouseEvent={...})  Line 1079 + 0x15 bytes    C++
     WebKit.dll!CoreIPC::callMemberFunction<WebKit::WebPage,void (__thiscall WebKit::WebPage::*)(WebKit::WebMouseEvent const &),WebKit::WebMouseEvent>(const CoreIPC::Arguments1<WebKit::WebMouseEvent> & args={...}, WebKit::WebPage * object=0x03dc8b48, void (const WebKit::WebMouseEvent &)* function=0x10008f67)  Line 19 + 0xf bytes    C++
     WebKit.dll!CoreIPC::handleMessage<Messages::WebPage::MouseEvent,WebKit::WebPage,void (__thiscall WebKit::WebPage::*)(WebKit::WebMouseEvent const &)>(CoreIPC::ArgumentDecoder * argumentDecoder=0x223acbd0, WebKit::WebPage * object=0x03dc8b48, void (const WebKit::WebMouseEvent &)* function=0x10008f67)  Line 277 + 0x15 bytes    C++
     WebKit.dll!WebKit::WebPage::didReceiveWebPageMessage(CoreIPC::Connection * __formal=0x03da4cf0, CoreIPC::MessageID messageID={...}, CoreIPC::ArgumentDecoder * arguments=0x223acbd0)  Line 104 + 0x23 bytes    C++
     WebKit.dll!WebKit::WebPage::didReceiveMessage(CoreIPC::Connection * connection=0x03da4cf0, CoreIPC::MessageID messageID={...}, CoreIPC::ArgumentDecoder * arguments=0x223acbd0)  Line 2087    C++
     WebKit.dll!WebKit::WebProcess::didReceiveMessage(CoreIPC::Connection * connection=0x03da4cf0, CoreIPC::MessageID messageID={...}, CoreIPC::ArgumentDecoder * arguments=0x223acbd0)  Line 642    C++
     WebKit.dll!CoreIPC::Connection::dispatchMessage(CoreIPC::Connection::Message<CoreIPC::ArgumentDecoder> & message={...})  Line 689 + 0x30 bytes    C++
     WebKit.dll!CoreIPC::Connection::dispatchMessages()  Line 717    C++
     WebKit.dll!MemberFunctionWorkItem0<CoreIPC::Connection>::execute()  Line 79 + 0x10 bytes    C++
     WebKit.dll!RunLoop::performWork()  Line 63 + 0x1a bytes    C++
     WebKit.dll!RunLoop::wndProc(HWND__ * hWnd=0x001805c8, unsigned int message=1025, unsigned int wParam=64637248, long lParam=0)  Line 62    C++
     WebKit.dll!RunLoop::RunLoopWndProc(HWND__ * hWnd=0x001805c8, unsigned int message=1025, unsigned int wParam=64637248, long lParam=0)  Line 44 + 0x18 bytes    C++
     user32.dll!_InternalCallWinProc at 20()  + 0x28 bytes    
     user32.dll!_UserCallWinProcCheckWow at 32()  + 0xb7 bytes    
     user32.dll!_DispatchMessageWorker at 8()  + 0xdc bytes    
     user32.dll!_DispatchMessageW at 4()  + 0xf bytes    
     WebKit.dll!RunLoop::run()  Line 78 + 0xc bytes    C++
     WebKit.dll!WebKit::WebProcessMain(const WebKit::CommandLine & commandLine={...})  Line 82    C++
     WebKit.dll!WebKitMain(const WebKit::CommandLine & commandLine={...})  Line 50 + 0x9 bytes    C++
     WebKit.dll!WebKitMain(HINSTANCE__ * hInstance=0x00400000, HINSTANCE__ * hPrevInstance=0x00000000, wchar_t * lpstrCmdLine=0x00021118, int nCmdShow=10)  Line 187 + 0x9 bytes    C++
     WebKit2WebProcess.exe!wWinMain(HINSTANCE__ * hInstance=0x00400000, HINSTANCE__ * hPrevInstance=0x00000000, wchar_t * lpstrCmdLine=0x00021118, int nCmdShow=10)  Line 66 + 0x18 bytes    C++
     WebKit2WebProcess.exe!__tmainCRTStartup()  Line 589 + 0x1c bytes    C
     kernel32.dll!_BaseProcessStart at 4()  + 0x23 bytes

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