[Webkit-unassigned] [Bug 194426] New: [WinCairo] Crash in _cairo_clip_destroy with WinCairoRequirements v2019.02.07

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Thu Feb 7 20:49:30 PST 2019


https://bugs.webkit.org/show_bug.cgi?id=194426

            Bug ID: 194426
           Summary: [WinCairo] Crash in _cairo_clip_destroy with
                    WinCairoRequirements v2019.02.07
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: WebKit Misc.
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: Hironori.Fujii at sony.com

[WinCairo] Crash in _cairo_clip_destroy with WinCairoRequirements v2019.02.07 

MiniBrowser is going to crash soon while browsing web sites.

trunk at 240915
WinCairo port, Debug build
clang-cl version 7.0.0 (x86_64-pc-windows-msvc) and MSVC Version 19.14.26433 for x64


callstack 1:

> ntdll.dll!00007ff8d4ac479b()	Unknown
> ntdll.dll!00007ff8d4acc266()	Unknown
> ntdll.dll!00007ff8d4acc531()	Unknown
> ntdll.dll!00007ff8d4a6a505()	Unknown
> ntdll.dll!00007ff8d4a79931()	Unknown
> ucrtbase.dll!00007ff8d10ed92b()	Unknown
> cairo.dll!_cairo_clip_destroy(_cairo_clip * clip) Line 138	C
> cairo.dll!_cairo_compositor_paint(const cairo_compositor * compositor, _cairo_surface * surface, _cairo_operator op, const _cairo_pattern * source, const _cairo_clip * clip) Line 81	C
> cairo.dll!_cairo_image_surface_paint(void * abstract_surface, _cairo_operator op, const _cairo_pattern * source, const _cairo_clip * clip) Line 947	C
> cairo.dll!_cairo_surface_paint(_cairo_surface * surface, _cairo_operator op, const _cairo_pattern * source, const _cairo_clip * clip) Line 2199	C
> cairo.dll!_cairo_gstate_paint(_cairo_gstate * gstate) Line 1061	C
> cairo.dll!_cairo_default_context_paint_with_alpha(void * abstract_cr, double alpha) Line 971	C
> cairo.dll!cairo_paint_with_alpha(_cairo * cr, double alpha) Line 2247	C
> WebKit.dll!WebCore::Cairo::drawPatternToCairoContext(_cairo * cr, _cairo_pattern * pattern, const WebCore::FloatRect & destRect, float alpha) Line 156	C++
> WebKit.dll!WebCore::Cairo::drawSurface(WebCore::PlatformContextCairo & platformContext, _cairo_surface * surface, const WebCore::FloatRect & destRect, const WebCore::FloatRect & originalSrcRect, WebCore::InterpolationQuality imageInterpolationQuality, float globalAlpha, const WebCore::Cairo::ShadowState & shadowState) Line 944	C++
> WebKit.dll!WebCore::Cairo::drawNativeImage(WebCore::PlatformContextCairo & platformContext, _cairo_surface * surface, const WebCore::FloatRect & destRect, const WebCore::FloatRect & srcRect, WebCore::CompositeOperator compositeOperator, WebCore::BlendMode blendMode, WebCore::ImageOrientation orientation, WebCore::InterpolationQuality imageInterpolationQuality, float globalAlpha, const WebCore::Cairo::ShadowState & shadowState) Line 859	C++
> WebKit.dll!WebCore::GraphicsContext::drawNativeImage(const WTF::RefPtr<_cairo_surface,WTF::DumbPtrTraits<_cairo_surface> > & image, const WebCore::FloatSize & imageSize, const WebCore::FloatRect & destRect, const WebCore::FloatRect & srcRect, WebCore::CompositeOperator compositeOperator, WebCore::BlendMode blendMode, WebCore::ImageOrientation orientation) Line 135	C++
> WebKit.dll!WebCore::drawNativeImage(const WTF::RefPtr<_cairo_surface,WTF::DumbPtrTraits<_cairo_surface> > & image, WebCore::GraphicsContext & context, const WebCore::FloatRect & destRect, const WebCore::FloatRect & srcRect, const WebCore::IntSize & imageSize, WebCore::CompositeOperator compositeOperator, WebCore::BlendMode blendMode, const WebCore::ImageOrientation & orientation) Line 62	C++
> WebKit.dll!WebCore::BitmapImage::draw(WebCore::GraphicsContext & context, const WebCore::FloatRect & destRect, const WebCore::FloatRect & srcRect, WebCore::CompositeOperator op, WebCore::BlendMode mode, WebCore::DecodingMode decodingMode, WebCore::ImageOrientationDescription description) Line 276	C++
> WebKit.dll!WebCore::Image::drawTiled(WebCore::GraphicsContext & ctxt, const WebCore::FloatRect & destRect, const WebCore::FloatPoint & srcPoint, const WebCore::FloatSize & scaledTileSize, const WebCore::FloatSize & spacing, WebCore::CompositeOperator op, WebCore::BlendMode blendMode, WebCore::DecodingMode decodingMode) Line 187	C++
> WebKit.dll!WebCore::GraphicsContext::drawTiledImage(WebCore::Image & image, const WebCore::FloatRect & destination, const WebCore::FloatPoint & source, const WebCore::FloatSize & tileSize, const WebCore::FloatSize & spacing, const WebCore::ImagePaintingOptions & imagePaintingOptions) Line 735	C++
> WebKit.dll!WebCore::RenderBoxModelObject::paintFillLayerExtended(const WebCore::PaintInfo & paintInfo, const WebCore::Color & color, const WebCore::FillLayer & bgLayer, const WebCore::LayoutRect & rect, WebCore::BackgroundBleedAvoidance bleedAvoidance, WebCore::InlineFlowBox * box, const WebCore::LayoutSize & boxSize, WebCore::CompositeOperator op, WebCore::RenderElement * backgroundObject, WebCore::BaseBackgroundColorUsage baseBgColorUsage) Line 1003	C++
> WebKit.dll!WebCore::RenderBox::paintFillLayer(const WebCore::PaintInfo & paintInfo, const WebCore::Color & c, const WebCore::FillLayer & fillLayer, const WebCore::LayoutRect & rect, WebCore::BackgroundBleedAvoidance bleedAvoidance, WebCore::CompositeOperator op, WebCore::RenderElement * backgroundObject, WebCore::BaseBackgroundColorUsage baseBgColorUsage) Line 1675	C++
> WebKit.dll!WebCore::RenderBox::paintFillLayers(const WebCore::PaintInfo & paintInfo, const WebCore::Color & color, const WebCore::FillLayer & fillLayer, const WebCore::LayoutRect & rect, WebCore::BackgroundBleedAvoidance bleedAvoidance, WebCore::CompositeOperator op, WebCore::RenderElement * backgroundObject) Line 1665	C++
> WebKit.dll!WebCore::RenderBox::paintBackground(const WebCore::PaintInfo & paintInfo, const WebCore::LayoutRect & paintRect, WebCore::BackgroundBleedAvoidance bleedAvoidance) Line 1390	C++
> WebKit.dll!WebCore::RenderBox::paintBoxDecorations(WebCore::PaintInfo & paintInfo, const WebCore::LayoutPoint & paintOffset) Line 1344	C++
> WebKit.dll!WebCore::RenderBlock::paintObject(WebCore::PaintInfo & paintInfo, const WebCore::LayoutPoint & paintOffset) Line 1223	C++
> WebKit.dll!WebCore::RenderBlock::paint(WebCore::PaintInfo & paintInfo, const WebCore::LayoutPoint & paintOffset) Line 1103	C++
> WebKit.dll!WebCore::RenderLayer::paintBackgroundForFragments(const WTF::Vector<WebCore::LayerFragment,1,WTF::CrashOnOverflow,16> & layerFragments, WebCore::GraphicsContext & context, WebCore::GraphicsContext & contextForTransparencyLayer, const WebCore::LayoutRect & transparencyPaintDirtyRect, bool haveTransparency, const WebCore::RenderLayer::LayerPaintingInfo & localPaintingInfo, WTF::OptionSet<WebCore::PaintBehavior> paintBehavior, WebCore::RenderObject * subtreePaintRootForRenderer) Line 4688	C++
> WebKit.dll!WebCore::RenderLayer::paintLayerContents(WebCore::GraphicsContext & context, const WebCore::RenderLayer::LayerPaintingInfo & paintingInfo, WTF::OptionSet<WebCore::RenderLayer::PaintLayerFlag> paintFlags) Line 4340	C++
> WebKit.dll!WebCore::RenderLayer::paintLayerContentsAndReflection(WebCore::GraphicsContext & context, const WebCore::RenderLayer::LayerPaintingInfo & paintingInfo, WTF::OptionSet<WebCore::RenderLayer::PaintLayerFlag> paintFlags) Line 4038	C++
> WebKit.dll!WebCore::RenderLayer::paintLayer(WebCore::GraphicsContext & context, const WebCore::RenderLayer::LayerPaintingInfo & paintingInfo, WTF::OptionSet<WebCore::RenderLayer::PaintLayerFlag> paintFlags) Line 4021	C++
> WebKit.dll!WebCore::RenderLayer::paintList(WebCore::RenderLayer::LayerList layerIterator, WebCore::GraphicsContext & context, const WebCore::RenderLayer::LayerPaintingInfo & paintingInfo, WTF::OptionSet<WebCore::RenderLayer::PaintLayerFlag> paintFlags) Line 4464	C++
> WebKit.dll!WebCore::RenderLayer::paintLayerContents(WebCore::GraphicsContext & context, const WebCore::RenderLayer::LayerPaintingInfo & paintingInfo, WTF::OptionSet<WebCore::RenderLayer::PaintLayerFlag> paintFlags) Line 4364	C++
> WebKit.dll!WebCore::RenderLayer::paintLayerContentsAndReflection(WebCore::GraphicsContext & context, const WebCore::RenderLayer::LayerPaintingInfo & paintingInfo, WTF::OptionSet<WebCore::RenderLayer::PaintLayerFlag> paintFlags) Line 4038	C++
> WebKit.dll!WebCore::RenderLayer::paintLayer(WebCore::GraphicsContext & context, const WebCore::RenderLayer::LayerPaintingInfo & paintingInfo, WTF::OptionSet<WebCore::RenderLayer::PaintLayerFlag> paintFlags) Line 4021	C++
> WebKit.dll!WebCore::RenderLayer::paintList(WebCore::RenderLayer::LayerList layerIterator, WebCore::GraphicsContext & context, const WebCore::RenderLayer::LayerPaintingInfo & paintingInfo, WTF::OptionSet<WebCore::RenderLayer::PaintLayerFlag> paintFlags) Line 4464	C++
> WebKit.dll!WebCore::RenderLayer::paintLayerContents(WebCore::GraphicsContext & context, const WebCore::RenderLayer::LayerPaintingInfo & paintingInfo, WTF::OptionSet<WebCore::RenderLayer::PaintLayerFlag> paintFlags) Line 4364	C++
> WebKit.dll!WebCore::RenderLayer::paintLayerContentsAndReflection(WebCore::GraphicsContext & context, const WebCore::RenderLayer::LayerPaintingInfo & paintingInfo, WTF::OptionSet<WebCore::RenderLayer::PaintLayerFlag> paintFlags) Line 4038	C++
> WebKit.dll!WebCore::RenderLayer::paintLayer(WebCore::GraphicsContext & context, const WebCore::RenderLayer::LayerPaintingInfo & paintingInfo, WTF::OptionSet<WebCore::RenderLayer::PaintLayerFlag> paintFlags) Line 4021	C++
> WebKit.dll!WebCore::RenderLayer::paint(WebCore::GraphicsContext & context, const WebCore::LayoutRect & damageRect, const WebCore::LayoutSize & subpixelOffset, WTF::OptionSet<WebCore::PaintBehavior> paintBehavior, WebCore::RenderObject * subtreePaintRoot, WTF::OptionSet<WebCore::RenderLayer::PaintLayerFlag> paintFlags, WebCore::RenderLayer::SecurityOriginPaintPolicy paintPolicy) Line 3838	C++
> WebKit.dll!WebCore::FrameView::paintContents(WebCore::GraphicsContext & context, const WebCore::IntRect & dirtyRect, WebCore::Widget::SecurityOriginPaintPolicy securityOriginPaintPolicy) Line 4219	C++
> WebKit.dll!WebCore::ScrollView::paint(WebCore::GraphicsContext & context, const WebCore::IntRect & rect, WebCore::Widget::SecurityOriginPaintPolicy securityOriginPaintPolicy) Line 1217	C++
> WebKit.dll!WebView::paintIntoBackingStore(WebCore::FrameView * frameView, HDC__ * bitmapDC, const WebCore::IntRect & dirtyRectPixels, WebView::WindowsToPaint windowsToPaint) Line 1444	C++
> WebKit.dll!WebView::updateBackingStore(WebCore::FrameView * frameView, HDC__ * dc, bool backingStoreCompletelyDirty, WebView::WindowsToPaint windowsToPaint) Line 1191	C++
> WebKit.dll!WebView::paint(HDC__ * dc, __int64 options) Line 1356	C++
> WebKit.dll!WebView::WebViewWndProc(HWND__ * hWnd, unsigned int message, unsigned __int64 wParam, __int64 lParam) Line 2589	C++
> [External Code]	
> WebKit.dll!WebView::updateWindowIfNeeded(HWND__ * hWnd, unsigned int message) Line 2854	C++
> WebKit.dll!WebView::WebViewWndProc(HWND__ * hWnd, unsigned int message, unsigned __int64 wParam, __int64 lParam) Line 2832	C++
> [External Code]	
> WebKit.dll!WebKitMessageLoop::run(HACCEL__ * hAccelTable) Line 89	C++
> MiniBrowserLib.dll!wWinMain(HINSTANCE__ * hInstance, HINSTANCE__ * hPrevInstance, wchar_t * lpstrCmdLine, int nCmdShow) Line 87	C++
> MiniBrowserLib.dll!dllLauncherEntryPoint(HINSTANCE__ * hInstance, HINSTANCE__ * hPrevInstance, wchar_t * lpstrCmdLine, int nCmdShow) Line 105	C++
> MiniBrowser.exe!wWinMain(HINSTANCE__ * hInstance, HINSTANCE__ * hPrevInstance, wchar_t * lpstrCmdLine, int nCmdShow) Line 232	C++
> [External Code]	

Callstack 2:

> ntdll.dll!00007ff8d4ac479b()	Unknown
> ntdll.dll!00007ff8d4acc266()	Unknown
> ntdll.dll!00007ff8d4acc531()	Unknown
> ntdll.dll!00007ff8d4a6a505()	Unknown
> ntdll.dll!00007ff8d4a79931()	Unknown
> ucrtbase.dll!00007ff8d10ed92b()	Unknown
> cairo.dll!_cairo_clip_destroy(_cairo_clip * clip) Line 138	C
> cairo.dll!_cairo_compositor_paint(const cairo_compositor * compositor, _cairo_surface * surface, _cairo_operator op, const _cairo_pattern * source, const _cairo_clip * clip) Line 81	C
> cairo.dll!_cairo_image_surface_paint(void * abstract_surface, _cairo_operator op, const _cairo_pattern * source, const _cairo_clip * clip) Line 947	C
> cairo.dll!_cairo_surface_paint(_cairo_surface * surface, _cairo_operator op, const _cairo_pattern * source, const _cairo_clip * clip) Line 2199	C
> cairo.dll!_cairo_gstate_fill(_cairo_gstate * gstate, _cairo_path_fixed * path) Line 1307	C
> cairo.dll!_cairo_default_context_fill(void * abstract_cr) Line 1056	C
> cairo.dll!cairo_fill(_cairo * cr) Line 2422	C
> WebKit.dll!WebCore::PlatformContextCairo::pushImageMask(_cairo_surface * surface, const WebCore::FloatRect & rect) Line 130	C++
> WebKit.dll!WebCore::Cairo::clipToImageBuffer(WebCore::PlatformContextCairo & platformContext, _cairo_surface * image, const WebCore::FloatRect & destRect) Line 1275	C++
> WebKit.dll!WebCore::Cairo::fillShadowBuffer(WebCore::PlatformContextCairo & platformContext, WebCore::ImageBuffer & layerImage, const WebCore::FloatPoint & layerOrigin, const WebCore::FloatSize & layerSize, const WebCore::FloatRect & sourceRect, const WebCore::Cairo::ShadowState & shadowState) Line 193	C++
> WebKit.dll!WebCore::Cairo::fillRoundedRect::<unnamed-tag>::operator()(WebCore::ImageBuffer & layerImage, const WebCore::FloatPoint & layerOrigin, const WebCore::FloatSize & layerSize, const WebCore::FloatRect & sourceRect) Line 719	C++
> WebKit.dll!WTF::Function<void (WebCore::ImageBuffer &, const WebCore::FloatPoint &, const WebCore::FloatSize &, const WebCore::FloatRect &)>::CallableWrapper<`lambda at ..\..\Source\WebCore\platform/graphics/cairo/CairoOperations.cpp:716:13'>::call(WebCore::ImageBuffer & in, const WebCore::FloatPoint & in, const WebCore::FloatSize & in, const WebCore::FloatRect & in) Line 101	C++
> WebKit.dll!WTF::Function<void (WebCore::ImageBuffer &, const WebCore::FloatPoint &, const WebCore::FloatSize &, const WebCore::FloatRect &)>::operator()(WebCore::ImageBuffer & in, const WebCore::FloatPoint & in, const WebCore::FloatSize & in, const WebCore::FloatRect & in) Line 56	C++
> WebKit.dll!WebCore::ShadowBlur::drawRectShadow(const WebCore::AffineTransform & transform, const WebCore::IntRect & clipBounds, const WebCore::FloatRoundedRect & shadowedRect, const WTF::Function<void (WebCore::ImageBuffer &, const WebCore::FloatPoint &, const WebCore::FloatSize &, const WebCore::FloatRect &)> & drawBuffer) Line 582	C++
> WebKit.dll!WebCore::Cairo::fillRoundedRect(WebCore::PlatformContextCairo & platformContext, const WebCore::FloatRoundedRect & rect, const WebCore::Color & color, const WebCore::Cairo::ShadowState & shadowState) Line 715	C++
> WebKit.dll!WebCore::GraphicsContextImplCairo::fillRoundedRect(const WebCore::FloatRoundedRect & rect, const WebCore::Color & color, WebCore::BlendMode blendMode) Line 185	C++
> WebKit.dll!WebCore::GraphicsContext::fillRoundedRect(const WebCore::FloatRoundedRect & rect, const WebCore::Color & color, WebCore::BlendMode blendMode) Line 882	C++
> WebKit.dll!WebCore::RenderBoxModelObject::paintBoxShadow(const WebCore::PaintInfo & info, const WebCore::LayoutRect & paintRect, const WebCore::RenderStyle & style, WebCore::ShadowStyle shadowStyle, bool includeLogicalLeftEdge, bool includeLogicalRightEdge) Line 2455	C++
> WebKit.dll!WebCore::RenderBox::paintBoxDecorations(WebCore::PaintInfo & paintInfo, const WebCore::LayoutPoint & paintOffset) Line 1318	C++
> WebKit.dll!WebCore::RenderBlock::paintObject(WebCore::PaintInfo & paintInfo, const WebCore::LayoutPoint & paintOffset) Line 1223	C++
> WebKit.dll!WebCore::RenderBlock::paint(WebCore::PaintInfo & paintInfo, const WebCore::LayoutPoint & paintOffset) Line 1103	C++
> WebKit.dll!WebCore::RenderBlockFlow::paintFloats(WebCore::PaintInfo & paintInfo, const WebCore::LayoutPoint & paintOffset, bool preservePhase) Line 2181	C++
> WebKit.dll!WebCore::RenderBlock::paintObject(WebCore::PaintInfo & paintInfo, const WebCore::LayoutPoint & paintOffset) Line 1272	C++
> WebKit.dll!WebCore::RenderBlock::paint(WebCore::PaintInfo & paintInfo, const WebCore::LayoutPoint & paintOffset) Line 1103	C++
> WebKit.dll!WebCore::RenderLayer::paintForegroundForFragmentsWithPhase(WebCore::PaintPhase phase, const WTF::Vector<WebCore::LayerFragment,1,WTF::CrashOnOverflow,16> & layerFragments, WebCore::GraphicsContext & context, const WebCore::RenderLayer::LayerPaintingInfo & localPaintingInfo, WTF::OptionSet<WebCore::PaintBehavior> paintBehavior, WebCore::RenderObject * subtreePaintRootForRenderer) Line 4765	C++
> WebKit.dll!WebCore::RenderLayer::paintForegroundForFragments(const WTF::Vector<WebCore::LayerFragment,1,WTF::CrashOnOverflow,16> & layerFragments, WebCore::GraphicsContext & context, WebCore::GraphicsContext & contextForTransparencyLayer, const WebCore::LayoutRect & transparencyPaintDirtyRect, bool haveTransparency, const WebCore::RenderLayer::LayerPaintingInfo & localPaintingInfo, WTF::OptionSet<WebCore::PaintBehavior> paintBehavior, WebCore::RenderObject * subtreePaintRootForRenderer) Line 4740	C++
> WebKit.dll!WebCore::RenderLayer::paintLayerContents(WebCore::GraphicsContext & context, const WebCore::RenderLayer::LayerPaintingInfo & paintingInfo, WTF::OptionSet<WebCore::RenderLayer::PaintLayerFlag> paintFlags) Line 4351	C++
> WebKit.dll!WebCore::RenderLayer::paintLayerContentsAndReflection(WebCore::GraphicsContext & context, const WebCore::RenderLayer::LayerPaintingInfo & paintingInfo, WTF::OptionSet<WebCore::RenderLayer::PaintLayerFlag> paintFlags) Line 4038	C++
> WebKit.dll!WebCore::RenderLayer::paintLayer(WebCore::GraphicsContext & context, const WebCore::RenderLayer::LayerPaintingInfo & paintingInfo, WTF::OptionSet<WebCore::RenderLayer::PaintLayerFlag> paintFlags) Line 4021	C++
> WebKit.dll!WebCore::RenderLayer::paintList(WebCore::RenderLayer::LayerList layerIterator, WebCore::GraphicsContext & context, const WebCore::RenderLayer::LayerPaintingInfo & paintingInfo, WTF::OptionSet<WebCore::RenderLayer::PaintLayerFlag> paintFlags) Line 4464	C++
> WebKit.dll!WebCore::RenderLayer::paintLayerContents(WebCore::GraphicsContext & context, const WebCore::RenderLayer::LayerPaintingInfo & paintingInfo, WTF::OptionSet<WebCore::RenderLayer::PaintLayerFlag> paintFlags) Line 4364	C++
> WebKit.dll!WebCore::RenderLayerBacking::paintIntoLayer(const WebCore::GraphicsLayer * graphicsLayer, WebCore::GraphicsContext & context, const WebCore::IntRect & paintDirtyRect, WTF::OptionSet<WebCore::PaintBehavior> paintBehavior, unsigned char paintingPhase) Line 2599	C++
> WebKit.dll!WebCore::RenderLayerBacking::paintContents(const WebCore::GraphicsLayer * graphicsLayer, WebCore::GraphicsContext & context, unsigned char paintingPhase, const WebCore::FloatRect & clip, unsigned int layerPaintBehavior) Line 2650	C++
> WebKit.dll!WebCore::GraphicsLayer::paintGraphicsLayerContents(WebCore::GraphicsContext & context, const WebCore::FloatRect & clip, unsigned int layerPaintBehavior) Line 495	C++
> WebKit.dll!WebCore::BitmapTexture::updateContents(WebCore::TextureMapper &, WebCore::GraphicsLayer * sourceLayer, const WebCore::IntRect & targetRect, const WebCore::IntPoint & offset, float scale) Line 57	C++
> WebKit.dll!WebCore::TextureMapperTile::updateContents(WebCore::TextureMapper & textureMapper, WebCore::GraphicsLayer * sourceLayer, const WebCore::IntRect & dirtyRect, float scale) Line 68	C++
> WebKit.dll!WebCore::TextureMapperTiledBackingStore::updateContents(WebCore::TextureMapper & textureMapper, WebCore::GraphicsLayer * sourceLayer, const WebCore::FloatSize & totalSize, const WebCore::IntRect & dirtyRect) Line 162	C++
> WebKit.dll!WebCore::GraphicsLayerTextureMapper::updateBackingStoreIfNeeded() Line 529	C++
> WebKit.dll!WebCore::GraphicsLayerTextureMapper::updateBackingStoreIncludingSubLayers() Line 498	C++
> WebKit.dll!WebCore::GraphicsLayerTextureMapper::updateBackingStoreIncludingSubLayers() Line 502	C++
> WebKit.dll!WebCore::GraphicsLayerTextureMapper::updateBackingStoreIncludingSubLayers() Line 502	C++
> WebKit.dll!WebCore::GraphicsLayerTextureMapper::updateBackingStoreIncludingSubLayers() Line 502	C++
> WebKit.dll!WebCore::GraphicsLayerTextureMapper::updateBackingStoreIncludingSubLayers() Line 502	C++
> WebKit.dll!WebCore::GraphicsLayerTextureMapper::updateBackingStoreIncludingSubLayers() Line 502	C++
> WebKit.dll!WebCore::GraphicsLayerTextureMapper::updateBackingStoreIncludingSubLayers() Line 502	C++
> WebKit.dll!WebCore::GraphicsLayerTextureMapper::updateBackingStoreIncludingSubLayers() Line 502	C++
> WebKit.dll!AcceleratedCompositingContext::flushPendingLayerChanges() Line 363	C++
> WebKit.dll!AcceleratedCompositingContext::flushAndRenderLayers() Line 389	C++
> WebKit.dll!AcceleratedCompositingContext::layerFlushTimerFired() Line 400	C++
> WebKit.dll!AcceleratedCompositingContext::LayerFlushTimer::fired() Line 90	C++
> WebKit.dll!WebCore::ThreadTimers::sharedTimerFiredInternal() Line 132	C++
> WebKit.dll!WebCore::ThreadTimers::setSharedTimer::<unnamed-tag>::operator()() Line 69	C++
> WebKit.dll!WTF::Function<void ()>::CallableWrapper<`lambda at ..\..\Source\WebCore\platform/ThreadTimers.cpp:69:41'>::call() Line 101	C++
> WebKit.dll!WTF::Function<void ()>::operator()() Line 56	C++
> WebKit.dll!WebCore::MainThreadSharedTimer::fired() Line 84	C++
> WebKit.dll!WebCore::TimerWindowWndProc(HWND__ * hWnd, unsigned int message, unsigned __int64 wParam, __int64 lParam) Line 89	C++
> [External Code]	
> WebKit.dll!WebKitMessageLoop::run(HACCEL__ * hAccelTable) Line 94	C++
> MiniBrowserLib.dll!wWinMain(HINSTANCE__ * hInstance, HINSTANCE__ * hPrevInstance, wchar_t * lpstrCmdLine, int nCmdShow) Line 87	C++
> MiniBrowserLib.dll!dllLauncherEntryPoint(HINSTANCE__ * hInstance, HINSTANCE__ * hPrevInstance, wchar_t * lpstrCmdLine, int nCmdShow) Line 105	C++
> MiniBrowser.exe!wWinMain(HINSTANCE__ * hInstance, HINSTANCE__ * hPrevInstance, wchar_t * lpstrCmdLine, int nCmdShow) Line 232	C++
> [External Code]

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