Bug 92893

Got following crash executing fast/forms/range/slider-appearance-crash.html 0x00007ffff2b78ced in WebCore::toRenderSlider (object=0x5f9828) at /media/ssd/WebKit/Source/WebCore/rendering/RenderSlider.h:51 51 ASSERT(!object || object->isSlider()); (gdb) bt #0 0x00007ffff2b78ced in WebCore::toRenderSlider (object=0x5f9828) at /media/ssd/WebKit/Source/WebCore/rendering/RenderSlider.h:51 #1 0x00007ffff374d99f in WebCore::RenderThemeEfl::paintThemePart (this=0x48a8a0, object=0x5f9828, type=WebCore::SliderHorizontal, info=..., rect=...) at /media/ssd/WebKit/Source/WebCore/platform/efl/RenderThemeEfl.cpp:329 #2 0x00007ffff374f6c1 in WebCore::RenderThemeEfl::paintSliderTrack (this=0x48a8a0, object=0x5f9828, info=..., rect=...) at /media/ssd/WebKit/Source/WebCore/platform/efl/RenderThemeEfl.cpp:747 #3 0x00007ffff308e760 in WebCore::RenderTheme::paint (this=0x48a8a0, o=0x5f9828, paintInfo=..., r=...) at /media/ssd/WebKit/Source/WebCore/rendering/RenderTheme.cpp:323 #4 0x00007ffff2f81216 in WebCore::RenderBox::paintBoxDecorations (this=0x5f9828, paintInfo=..., paintOffset=...) at /media/ssd/WebKit/Source/WebCore/rendering/RenderBox.cpp:849 #5 0x00007ffff30a5857 in WebCore::RenderWidget::paint (this=0x5f9828, paintInfo=..., paintOffset=...) at /media/ssd/WebKit/Source/WebCore/rendering/RenderWidget.cpp:255 #6 0x00007ffff2efa88d in WebCore::InlineBox::paint (this=0x625a88, paintInfo=..., paintOffset=...) at /media/ssd/WebKit/Source/WebCore/rendering/InlineBox.cpp:239 #7 0x00007ffff2f00915 in WebCore::InlineFlowBox::paint (this=0x600b28, paintInfo=..., paintOffset=..., lineTop=..., lineBottom=...) at /media/ssd/WebKit/Source/WebCore/rendering/InlineFlowBox.cpp:1086 #8 0x00007ffff30abcfb in WebCore::RootInlineBox::paint (this=0x600b28, paintInfo=..., paintOffset=..., lineTop=..., lineBottom=...) at /media/ssd/WebKit/Source/WebCore/rendering/RootInlineBox.cpp:211 #9 0x00007ffff3018b1e in WebCore::RenderLineBoxList::paint (this=0x5ac258, renderer=0x5ac1b8, paintInfo=..., paintOffset=...) at /media/ssd/WebKit/Source/WebCore/rendering/RenderLineBoxList.cpp:262 #10 0x00007ffff2f2522b in WebCore::RenderBlock::paintContents (this=0x5ac1b8, paintInfo=..., paintOffset=...) at /media/ssd/WebKit/Source/WebCore/rendering/RenderBlock.cpp:2854 #11 0x00007ffff2f25db6 in WebCore::RenderBlock::paintObject (this=0x5ac1b8, paintInfo=..., paintOffset=...)