[Webkit-unassigned] [Bug 231282] New: ASSERTION FAILED: clipRectsContext.rootLayer == m_clipRectsCache->m_clipRectsRoot[clipRectsType] in WebCore::RenderLayer::updateClipRects

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=231282

            Bug ID: 231282
           Summary: ASSERTION FAILED: clipRectsContext.rootLayer ==
                    m_clipRectsCache->m_clipRectsRoot[clipRectsType] in
                    WebCore::RenderLayer::updateClipRects
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Layout and Rendering
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: Hironori.Fujii at sony.com
                CC: bfulgham at webkit.org, simon.fraser at apple.com,
                    zalan at apple.com

Created attachment 440332

  --> https://bugs.webkit.org/attachment.cgi?id=440332&action=review

test case

ASSERTION FAILED: clipRectsContext.rootLayer == m_clipRectsCache->m_clipRectsRoot[clipRectsType] in WebCore::RenderLayer::updateClipRects

I'm testing with WinCairo Debug WK2 r283591.

ASSERTION FAILED: clipRectsContext.rootLayer == m_clipRectsCache->m_clipRectsRoot[clipRectsType]
C:\home\webkit\gc\Source\WebCore\rendering/RenderLayer.cpp(4417) : WebCore::RenderLayer::updateClipRects
1   00007FF94281217B WTFCrash
2   00007FF8DE05AAAE WTFCrashWithInfo
3   00007FF8E310E6DB WebCore::RenderLayer::updateClipRects
4   00007FF8E311B82B WebCore::RenderLayer::parentClipRects
5   00007FF8E311B933 WebCore::RenderLayer::backgroundClipRect
6   00007FF8E31086BC WebCore::RenderLayer::calculateRects
7   00007FF8E3108C13 WebCore::RenderLayer::collectFragments
8   00007FF8E3114A2E WebCore::RenderLayer::paintLayerContents
9   00007FF8E3113C21 WebCore::RenderLayer::paintLayerContentsAndReflection
10  00007FF8E31139DC WebCore::RenderLayer::paintLayerWithEffects
11  00007FF8E3113378 WebCore::RenderLayer::paintLayer
12  00007FF8E31153A4 WebCore::RenderLayer::paintList
13  00007FF8E3114D52 WebCore::RenderLayer::paintLayerContents
14  00007FF8E3113C21 WebCore::RenderLayer::paintLayerContentsAndReflection
15  00007FF8E31139DC WebCore::RenderLayer::paintLayerWithEffects
16  00007FF8E3113378 WebCore::RenderLayer::paintLayer
17  00007FF8E31153A4 WebCore::RenderLayer::paintList
18  00007FF8E3114D52 WebCore::RenderLayer::paintLayerContents
19  00007FF8E3113C21 WebCore::RenderLayer::paintLayerContentsAndReflection
20  00007FF8E31139DC WebCore::RenderLayer::paintLayerWithEffects
21  00007FF8E3113378 WebCore::RenderLayer::paintLayer
22  00007FF8E3107F4A WebCore::RenderLayer::paint
23  00007FF8E29ADC05 WebCore::FrameView::paintContents
24  00007FF8E2B8C204 WebCore::ScrollView::paint
25  00007FF8DE1235D7 WebKit::LayerTreeHost::paintContents
26  00007FF8E2CBA0E4 WebCore::GraphicsLayer::paintGraphicsLayerContents
27  00007FF8DFC18F40 WebCore::BitmapTexture::updateContents
28  00007FF8DFC29905 WebCore::TextureMapperTile::updateContents
29  00007FF8DFC4AF64 WebCore::TextureMapperTiledBackingStore::updateContents
30  00007FF8DFC46D51 WebCore::GraphicsLayerTextureMapper::updateBackingStoreIfNeeded
31  00007FF8DFC45BEE WebCore::GraphicsLayerTextureMapper::updateBackingStoreIncludingSubLayers
Exception thrown at 0x00007FF942812180 (WTF.dll) in WebKitWebProcess.exe: 0xC0000005: Access violation writing location 0x00000000BBADBEEF.

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