[Webkit-unassigned] [Bug 117928] New: ASSERTION FAILED: clipRectsContext.rootLayer == m_clipRectsCache->m_clipRectsRoot[clipRectsType] in WebCore::RenderLayer::updateClipRects

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Mon Jun 24 03:07:57 PDT 2013 

https://bugs.webkit.org/show_bug.cgi?id=117928

           Summary: ASSERTION FAILED: clipRectsContext.rootLayer ==
                    m_clipRectsCache->m_clipRectsRoot[clipRectsType] in
                    WebCore::RenderLayer::updateClipRects
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Unspecified
        OS/Version: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Layout and Rendering
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: reni at webkit.org
            Blocks: 116980


The test below fails on the above condition.
Hint: you need 11 or more 'a' character after <img>.

<html>
<body>
    <div style="-webkit-writing-mode: vertical-lr; -webkit-column-axis: horizontal;">
        <div style="-webkit-columns: 6;">
        <li style="position: absolute;"></li>
        <img style="-webkit-filter: sepia(0.4)">aaaaaaaaaaa
    </div>
    </div>
</body>
</html>


BackTrace:

Program received signal SIGSEGV, Segmentation fault.
0x00007ffff5760ba5 in WTFCrash () at /home/reni/Data/REPOS/webkit_sec/Source/WTF/wtf/Assertions.cpp:339
339        *(int *)(uintptr_t)0xbbadbeef = 0;
(gdb) bt
#0  0x00007ffff5760ba5 in WTFCrash () at /home/reni/Data/REPOS/webkit_sec/Source/WTF/wtf/Assertions.cpp:339
#1  0x00007ffff49a0dd6 in WebCore::RenderLayer::updateClipRects (this=0x890058, clipRectsContext=...)
    at /home/reni/Data/REPOS/webkit_sec/Source/WebCore/rendering/RenderLayer.cpp:5016
#2  0x00007ffff49a18b7 in WebCore::RenderLayer::parentClipRects (this=0x8c87c8, clipRectsContext=..., clipRects=...)
    at /home/reni/Data/REPOS/webkit_sec/Source/WebCore/rendering/RenderLayer.cpp:5131
#3  0x00007ffff49a1a96 in WebCore::RenderLayer::backgroundClipRect (this=0x8c87c8, clipRectsContext=...)
    at /home/reni/Data/REPOS/webkit_sec/Source/WebCore/rendering/RenderLayer.cpp:5159
#4  0x00007ffff4999ab3 in WebCore::RenderLayer::paintLayer (this=0x8c87c8, context=0x7fffffffbab0, paintingInfo=..., paintFlags=224)
    at /home/reni/Data/REPOS/webkit_sec/Source/WebCore/rendering/RenderLayer.cpp:3669
#5  0x00007ffff499d824 in WebCore::RenderLayer::paintChildLayerIntoColumns (this=0x78cd18, childLayer=0x8c87c8, context=0x7fffffffbab0, paintingInfo=..., 
    paintFlags=224, columnLayers=..., colIndex=0) at /home/reni/Data/REPOS/webkit_sec/Source/WebCore/rendering/RenderLayer.cpp:4374
#6  0x00007ffff499dafb in WebCore::RenderLayer::paintChildLayerIntoColumns (this=0x78cd18, childLayer=0x8c87c8, context=0x7fffffffbab0, paintingInfo=..., 
    paintFlags=224, columnLayers=..., colIndex=1) at /home/reni/Data/REPOS/webkit_sec/Source/WebCore/rendering/RenderLayer.cpp:4395
#7  0x00007ffff499d087 in WebCore::RenderLayer::paintPaginatedChildLayer (this=0x78cd18, childLayer=0x8c87c8, context=0x7fffffffbab0, paintingInfo=..., 
    paintFlags=224) at /home/reni/Data/REPOS/webkit_sec/Source/WebCore/rendering/RenderLayer.cpp:4309
#8  0x00007ffff499b4bf in WebCore::RenderLayer::paintList (this=0x78cd18, list=0x8cff10, context=0x7fffffffbab0, paintingInfo=..., paintFlags=224)
    at /home/reni/Data/REPOS/webkit_sec/Source/WebCore/rendering/RenderLayer.cpp:4031
#9  0x00007ffff499aecf in WebCore::RenderLayer::paintLayerContents (this=0x78cd18, context=0x7fffffffbab0, paintingInfo=..., paintFlags=224)
    at /home/reni/Data/REPOS/webkit_sec/Source/WebCore/rendering/RenderLayer.cpp:3954
#10 0x00007ffff4999cfc in WebCore::RenderLayer::paintLayerContentsAndReflection (this=0x78cd18, context=0x7fffffffbab0, paintingInfo=..., paintFlags=224)
    at /home/reni/Data/REPOS/webkit_sec/Source/WebCore/rendering/RenderLayer.cpp:3703
#11 0x00007ffff4999bf2 in WebCore::RenderLayer::paintLayer (this=0x78cd18, context=0x7fffffffbab0, paintingInfo=..., paintFlags=224)
    at /home/reni/Data/REPOS/webkit_sec/Source/WebCore/rendering/RenderLayer.cpp:3685
#12 0x00007ffff499b49f in WebCore::RenderLayer::paintList (this=0x786ac8, list=0x8b2d50, context=0x7fffffffbab0, paintingInfo=..., paintFlags=224)
    at /home/reni/Data/REPOS/webkit_sec/Source/WebCore/rendering/RenderLayer.cpp:4029
#13 0x00007ffff499aecf in WebCore::RenderLayer::paintLayerContents (this=0x786ac8, context=0x7fffffffbab0, paintingInfo=..., paintFlags=224)
    at /home/reni/Data/REPOS/webkit_sec/Source/WebCore/rendering/RenderLayer.cpp:3954
#14 0x00007ffff4999cfc in WebCore::RenderLayer::paintLayerContentsAndReflection (this=0x786ac8, context=0x7fffffffbab0, paintingInfo=..., paintFlags=0)
    at /home/reni/Data/REPOS/webkit_sec/Source/WebCore/rendering/RenderLayer.cpp:3703
#15 0x00007ffff4999bf2 in WebCore::RenderLayer::paintLayer (this=0x786ac8, context=0x7fffffffbab0, paintingInfo=..., paintFlags=0)
    at /home/reni/Data/REPOS/webkit_sec/Source/WebCore/rendering/RenderLayer.cpp:3685
#16 0x00007ffff4998f04 in WebCore::RenderLayer::paint (this=0x786ac8, context=0x7fffffffbab0, damageRect=..., paintBehavior=0, subtreePaintRoot=0x0, 
    region=0x0, paintFlags=0) at /home/reni/Data/REPOS/webkit_sec/Source/WebCore/rendering/RenderLayer.cpp:3496
#17 0x00007ffff470ae56 in WebCore::FrameView::paintContents (this=0x78a620, p=0x7fffffffbab0, rect=...)
    at /home/reni/Data/REPOS/webkit_sec/Source/WebCore/page/FrameView.cpp:3581
#18 0x00007ffff3c54100 in QWebFrameAdapter::renderRelativeCoords (this=0x753830, painter=0x7fffffffbc10, layers=255, clip=...)
    at /home/reni/Data/REPOS/webkit_sec/Source/WebKit/qt/WebCoreSupport/QWebFrameAdapter.cpp:537
#19 0x00007ffff7baac00 in QWebFrame::render (this=0x78b0f0, painter=0x7fffffffbc10, layer=..., clip=...)
    at /home/reni/Data/REPOS/webkit_sec/Source/WebKit/qt/WidgetApi/qwebframe.cpp:644
#20 0x00007ffff7baacd0 in QWebFrame::render (this=0x78b0f0, painter=0x7fffffffbc10, clip=...)
    at /home/reni/Data/REPOS/webkit_sec/Source/WebKit/qt/WidgetApi/qwebframe.cpp:654
#21 0x00007ffff7bb987e in QWebView::paintEvent (this=0x7442c0, ev=0x7fffffffc3f0)
    at /home/reni/Data/REPOS/webkit_sec/Source/WebKit/qt/WidgetApi/qwebview.cpp:829
#22 0x00007ffff3118848 in QWidget::event(QEvent*) () from /usr/local/Trolltech/Qt5/Qt-5.0.0-r40/lib/libQt5Widgets.so.5
#23 0x00007ffff7bb9627 in QWebView::event (this=0x7442c0, e=0x7fffffffc3f0) at /home/reni/Data/REPOS/webkit_sec/Source/WebKit/qt/WidgetApi/qwebview.cpp:733
#24 0x00007ffff30e1dbc in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/local/Trolltech/Qt5/Qt-5.0.0-r40/lib/libQt5Widgets.so.5
#25 0x00007ffff30e5075 in QApplication::notify(QObject*, QEvent*) () from /usr/local/Trolltech/Qt5/Qt-5.0.0-r40/lib/libQt5Widgets.so.5
#26 0x00007ffff2275dbe in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/local/Trolltech/Qt5/Qt-5.0.0-r40/lib/libQt5Core.so.5
#27 0x00007ffff3115705 in QWidgetPrivate::drawWidget(QPaintDevice*, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) ()
   from /usr/local/Trolltech/Qt5/Qt-5.0.0-r40/lib/libQt5Widgets.so.5
#28 0x00007ffff311617b in QWidgetPrivate::paintSiblingsRecursive(QPaintDevice*, QList<QObject*> const&, int, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) () from /usr/local/Trolltech/Qt5/Qt-5.0.0-r40/lib/libQt5Widgets.so.5
---Type <return> to continue, or q <return> to quit---
#29 0x00007ffff3115256 in QWidgetPrivate::drawWidget(QPaintDevice*, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) ()
   from /usr/local/Trolltech/Qt5/Qt-5.0.0-r40/lib/libQt5Widgets.so.5
#30 0x00007ffff311617b in QWidgetPrivate::paintSiblingsRecursive(QPaintDevice*, QList<QObject*> const&, int, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) () from /usr/local/Trolltech/Qt5/Qt-5.0.0-r40/lib/libQt5Widgets.so.5
#31 0x00007ffff3115fd1 in QWidgetPrivate::paintSiblingsRecursive(QPaintDevice*, QList<QObject*> const&, int, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) () from /usr/local/Trolltech/Qt5/Qt-5.0.0-r40/lib/libQt5Widgets.so.5
#32 0x00007ffff3115fd1 in QWidgetPrivate::paintSiblingsRecursive(QPaintDevice*, QList<QObject*> const&, int, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) () from /usr/local/Trolltech/Qt5/Qt-5.0.0-r40/lib/libQt5Widgets.so.5
#33 0x00007ffff3115256 in QWidgetPrivate::drawWidget(QPaintDevice*, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) ()
   from /usr/local/Trolltech/Qt5/Qt-5.0.0-r40/lib/libQt5Widgets.so.5
#34 0x00007ffff30eb09f in ?? () from /usr/local/Trolltech/Qt5/Qt-5.0.0-r40/lib/libQt5Widgets.so.5
#35 0x00007ffff30eb839 in ?? () from /usr/local/Trolltech/Qt5/Qt-5.0.0-r40/lib/libQt5Widgets.so.5
#36 0x00007ffff3136bc3 in ?? () from /usr/local/Trolltech/Qt5/Qt-5.0.0-r40/lib/libQt5Widgets.so.5
#37 0x00007ffff30e1dbc in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/local/Trolltech/Qt5/Qt-5.0.0-r40/lib/libQt5Widgets.so.5
#38 0x00007ffff30e5075 in QApplication::notify(QObject*, QEvent*) () from /usr/local/Trolltech/Qt5/Qt-5.0.0-r40/lib/libQt5Widgets.so.5
#39 0x00007ffff2275dbe in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/local/Trolltech/Qt5/Qt-5.0.0-r40/lib/libQt5Core.so.5
#40 0x00007ffff274c3a7 in QGuiApplicationPrivate::processExposeEvent(QWindowSystemInterfacePrivate::ExposeEvent*) ()
   from /usr/local/Trolltech/Qt5/Qt-5.0.0-r40/lib/libQt5Gui.so.5
#41 0x00007ffff275353d in QGuiApplicationPrivate::processWindowSystemEvent(QWindowSystemInterfacePrivate::WindowSystemEvent*) ()
   from /usr/local/Trolltech/Qt5/Qt-5.0.0-r40/lib/libQt5Gui.so.5
#42 0x00007ffff2742a68 in QWindowSystemInterface::sendWindowSystemEventsImplementation(QFlags<QEventLoop::ProcessEventsFlag>) ()
   from /usr/local/Trolltech/Qt5/Qt-5.0.0-r40/lib/libQt5Gui.so.5
#43 0x00007fffe81506b0 in ?? () from /usr/local/Trolltech/Qt5/Qt-5.0.0-r40/plugins/platforms/libxcb.so
#44 0x00007fffee40bf05 in g_main_dispatch (context=0x6632f0) at /build/buildd/glib2.0-2.36.0/./glib/gmain.c:3054
#45 g_main_context_dispatch (context=context at entry=0x6632f0) at /build/buildd/glib2.0-2.36.0/./glib/gmain.c:3630
#46 0x00007fffee40c248 in g_main_context_iterate (context=context at entry=0x6632f0, block=block at entry=1, dispatch=dispatch at entry=1, self=<optimized out>)
    at /build/buildd/glib2.0-2.36.0/./glib/gmain.c:3701
#47 0x00007fffee40c304 in g_main_context_iteration (context=0x6632f0, may_block=1) at /build/buildd/glib2.0-2.36.0/./glib/gmain.c:3762
#48 0x00007ffff22bd4bc in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
   from /usr/local/Trolltech/Qt5/Qt-5.0.0-r40/lib/libQt5Core.so.5
#49 0x00007ffff2274d3b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/local/Trolltech/Qt5/Qt-5.0.0-r40/lib/libQt5Core.so.5
#50 0x00007ffff2278120 in QCoreApplication::exec() () from /usr/local/Trolltech/Qt5/Qt-5.0.0-r40/lib/libQt5Core.so.5
#51 0x0000000000421ba0 in launcherMain (app=...) at /home/reni/Data/REPOS/webkit_sec/Tools/QtTestBrowser/qttestbrowser.cpp:49
#52 0x0000000000423680 in main (argc=2, argv=0x7fffffffdc68) at /home/reni/Data/REPOS/webkit_sec/Tools/QtTestBrowser/qttestbrowser.cpp:318

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