Bug 162129 – ASSERTION FAILED: clipRectsContext.rootLayer == m_clipRectsCache->m_clipRectsRoot[clipRectsType] while loading guardian.co.uk

• Status: RESOLVED
• Resolution: FIXED
• Component: Layout and Rendering

[alan]

1. Load guardian.co.uk in debug mode.
-> ASSERT
1   0x1081269f0 WTFCrash
2   0x10c4089a0 WebCore::RenderLayer::updateClipRects(WebCore::RenderLayer::ClipRectsContext const&)
3   0x10c409c8f WebCore::RenderLayer::parentClipRects(WebCore::RenderLayer::ClipRectsContext const&, WebCore::ClipRects&) const
4   0x10c3fdafa WebCore::RenderLayer::backgroundClipRect(WebCore::RenderLayer::ClipRectsContext const&) const
5   0x10c403c81 WebCore::RenderLayer::calculateRects(WebCore::RenderLayer::ClipRectsContext const&, WebCore::LayoutRect const&, WebCore::LayoutRect&, WebCore::ClipRect&, WebCore::ClipRect&, WebCore::LayoutSize const&) const
6   0x10c401e1a WebCore::RenderLayer::collectFragments(WTF::Vector<WebCore::LayerFragment, 1ul, WTF::CrashOnOverflow, 16ul>&, WebCore::RenderLayer const*, WebCore::LayoutRect const&, WebCore::RenderLayer::PaginationInclusionMode, WebCore::ClipRectsType, WebCore::OverlayScrollbarSizeRelevancy, WebCore::ShouldRespectOverflowClip, WebCore::LayoutSize const&, WebCore::LayoutRect const*, WebCore::ShouldApplyRootOffsetToFragments)
7   0x10c3fe980 WebCore::RenderLayer::paintLayerContents(WebCore::GraphicsContext&, WebCore::RenderLayer::LayerPaintingInfo const&, unsigned int)
8   0x10c3fe07b WebCore::RenderLayer::paintLayerContentsAndReflection(WebCore::GraphicsContext&, WebCore::RenderLayer::LayerPaintingInfo const&, unsigned int)
9   0x10c3fccfb WebCore::RenderLayer::paintLayer(WebCore::GraphicsContext&, WebCore::RenderLayer::LayerPaintingInfo const&, unsigned int)
10  0x10c402ab4 WebCore::RenderLayer::paintList(WTF::Vector<WebCore::RenderLayer*, 0ul, WTF::CrashOnOverflow, 16ul>*, WebCore::GraphicsContext&, WebCore::RenderLayer::LayerPaintingInfo const&, unsigned int)
11  0x10c3fecc1 WebCore::RenderLayer::paintLayerContents(WebCore::GraphicsContext&, WebCore::RenderLayer::LayerPaintingInfo const&, unsigned int)
12  0x10c433685 WebCore::RenderLayerBacking::paintIntoLayer(WebCore::GraphicsLayer const*, WebCore::GraphicsContext&, WebCore::IntRect const&, unsigned int, unsigned int)
13  0x10c433a8d WebCore::RenderLayerBacking::paintContents(WebCore::GraphicsLayer const*, WebCore::GraphicsContext&, unsigned int, WebCore::FloatRect const&)
14  0x10b0e095b WebCore::GraphicsLayer::paintGraphicsLayerContents(WebCore::GraphicsContext&, WebCore::FloatRect const&)
15  0x10b0f3061 WebCore::GraphicsLayerCA::platformCALayerPaintContents(WebCore::PlatformCALayer*, WebCore::GraphicsContext&, WebCore::FloatRect const&)
16  0x10b0f30bf non-virtual thunk to WebCore::GraphicsLayerCA::platformCALayerPaintContents(WebCore::PlatformCALayer*, WebCore::GraphicsContext&, WebCore::FloatRect const&)
17  0x10c1fdd96 WebCore::PlatformCALayer::drawLayerContents(CGContext*, WebCore::PlatformCALayer*, WTF::Vector<WebCore::FloatRect, 5ul, WTF::CrashOnOverflow, 16ul>&)
18  0x10cdad774 -[WebLayer drawInContext:]
19  0x7fff88bcbd44 CABackingStoreUpdate_
20  0x7fff88bcad6d invocation function for block in CA::Layer::display_()
21  0x7fff88bca759 CA::Layer::display_()
22  0x10cdadc19 -[WebSimpleLayer display]
23  0x7fff88bbc4a5 CA::Layer::display_if_needed(CA::Transaction*)
24  0x7fff88bbbfcd CA::Layer::layout_and_display_if_needed(CA::Transaction*)
25  0x7fff88bbb4a1 CA::Context::commit_transaction(CA::Transaction*)
26  0x7fff88bbb0ec CA::Transaction::commit()
27  0x7fff88bc6977 CA::Transaction::observer_callback(__CFRunLoopObserver*, unsigned long, void*)
28  0x7fff924a3067 __CFRUNLOOP_IS_CALLING_OUT_TO_AN_OBSERVER_CALLBACK_FUNCTION__
29  0x7fff924a2fd7 __CFRunLoopDoObservers
30  0x7fff92481ef8 CFRunLoopRunSpecific
31  0x7fff9c637935 RunCurrentEventLoopInMode

[Radar WebKit Bug Importer]

<rdar://problem/28353350>

[alan]

Created attachment 289190 [details]
Patch

[WebKit Commit Bot]

Comment on attachment 289190 [details]
Patch

Clearing flags on attachment: 289190

Committed r206100: <http://trac.webkit.org/changeset/206100>

[WebKit Commit Bot]

All reviewed patches have been landed.  Closing bug.