[Webkit-unassigned] [Bug 76574] Assertion failure in BidiResolver::commitExplicitEmbedding() (!inIsolate() || m_currentExplicitEmbeddingSequence.isEmpty()) at wikipeidia.org

Sat Jan 21 01:18:35 PST 2012

https://bugs.webkit.org/show_bug.cgi?id=76574

Sergio Villar Senin <svillar at igalia.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |svillar at igalia.com

--- Comment #1 from Sergio Villar Senin <svillar at igalia.com>  2012-01-21 01:18:35 PST ---
I got the same assertion in some other sites. This is the backtrace I got:

Program received signal SIGSEGV, Segmentation fault.
0x00007ffff4280c46 in WebCore::BidiResolver<WebCore::InlineIterator, WebCore::BidiRun>::commitExplicitEmbedding (this=0x7fffffffb380) at ../../Source/WebCore/platform/text/BidiResolver.h:406
406        ASSERT(!inIsolate() || m_currentExplicitEmbeddingSequence.isEmpty());
(gdb) bt
#0  0x00007ffff4280c46 in WebCore::BidiResolver<WebCore::InlineIterator, WebCore::BidiRun>::commitExplicitEmbedding (this=0x7fffffffb380) at ../../Source/WebCore/platform/text/BidiResolver.h:406
#1  0x00007ffff42716f4 in WebCore::bidiFirstSkippingEmptyInlines (root=0x2e10088, resolver=0x7fffffffb380) at ../../Source/WebCore/rendering/InlineIterator.h:281
#2  0x00007ffff42783cf in WebCore::RenderBlock::determineStartPosition (this=0x2e10088, layoutState=..., resolver=...) at ../../Source/WebCore/rendering/RenderBlockLineLayout.cpp:1676
#3  0x00007ffff4275304 in WebCore::RenderBlock::layoutRunsAndFloats (this=0x2e10088, layoutState=..., hasInlineChild=true) at ../../Source/WebCore/rendering/RenderBlockLineLayout.cpp:1150
#4  0x00007ffff4277403 in WebCore::RenderBlock::layoutInlineChildren (this=0x2e10088, relayoutChildren=true, repaintLogicalTop=@0x7fffffffb77c, repaintLogicalBottom=@0x7fffffffb778) at ../../Source/WebCore/rendering/RenderBlockLineLayout.cpp:1502
#5  0x00007ffff4237632 in WebCore::RenderBlock::layoutBlock (this=0x2e10088, relayoutChildren=true, pageLogicalHeight=0, layoutPass=WebCore::RenderBlock::NormalLayoutPass) at ../../Source/WebCore/rendering/RenderBlock.cpp:1314
#6  0x00007ffff4236e58 in WebCore::RenderBlock::layout (this=0x2e10088) at ../../Source/WebCore/rendering/RenderBlock.cpp:1189
#7  0x00007ffff423a952 in WebCore::RenderBlock::layoutBlockChild (this=0x4470478, child=0x2e10088, marginInfo=..., previousFloatLogicalBottom=@0x7fffffffba5c, maxFloatLogicalBottom=@0x7fffffffbba4) at ../../Source/WebCore/rendering/RenderBlock.cpp:2102
#8  0x00007ffff423a576 in WebCore::RenderBlock::layoutBlockChildren (this=0x4470478, relayoutChildren=true, maxFloatLogicalBottom=@0x7fffffffbba4) at ../../Source/WebCore/rendering/RenderBlock.cpp:2038
#9  0x00007ffff4237653 in WebCore::RenderBlock::layoutBlock (this=0x4470478, relayoutChildren=true, pageLogicalHeight=0, layoutPass=WebCore::RenderBlock::NormalLayoutPass) at ../../Source/WebCore/rendering/RenderBlock.cpp:1316
#10 0x00007ffff4236e58 in WebCore::RenderBlock::layout (this=0x4470478) at ../../Source/WebCore/rendering/RenderBlock.cpp:1189
#11 0x00007ffff423a952 in WebCore::RenderBlock::layoutBlockChild (this=0x56ad6c8, child=0x4470478, marginInfo=..., previousFloatLogicalBottom=@0x7fffffffbe8c, maxFloatLogicalBottom=@0x7fffffffbfd4) at ../../Source/WebCore/rendering/RenderBlock.cpp:2102
#12 0x00007ffff423a576 in WebCore::RenderBlock::layoutBlockChildren (this=0x56ad6c8, relayoutChildren=false, maxFloatLogicalBottom=@0x7fffffffbfd4) at ../../Source/WebCore/rendering/RenderBlock.cpp:2038
#13 0x00007ffff4237653 in WebCore::RenderBlock::layoutBlock (this=0x56ad6c8, relayoutChildren=false, pageLogicalHeight=0, layoutPass=WebCore::RenderBlock::NormalLayoutPass) at ../../Source/WebCore/rendering/RenderBlock.cpp:1316
#14 0x00007ffff4236e58 in WebCore::RenderBlock::layout (this=0x56ad6c8) at ../../Source/WebCore/rendering/RenderBlock.cpp:1189
#15 0x00007ffff423a952 in WebCore::RenderBlock::layoutBlockChild (this=0x3264d38, child=0x56ad6c8, marginInfo=..., previousFloatLogicalBottom=@0x7fffffffc2bc, maxFloatLogicalBottom=@0x7fffffffc404) at ../../Source/WebCore/rendering/RenderBlock.cpp:2102
#16 0x00007ffff423a576 in WebCore::RenderBlock::layoutBlockChildren (this=0x3264d38, relayoutChildren=false, maxFloatLogicalBottom=@0x7fffffffc404) at ../../Source/WebCore/rendering/RenderBlock.cpp:2038
#17 0x00007ffff4237653 in WebCore::RenderBlock::layoutBlock (this=0x3264d38, relayoutChildren=false, pageLogicalHeight=0, layoutPass=WebCore::RenderBlock::NormalLayoutPass) at ../../Source/WebCore/rendering/RenderBlock.cpp:1316
#18 0x00007ffff4236e58 in WebCore::RenderBlock::layout (this=0x3264d38) at ../../Source/WebCore/rendering/RenderBlock.cpp:1189
#19 0x00007ffff423a952 in WebCore::RenderBlock::layoutBlockChild (this=0x4cffb48, child=0x3264d38, marginInfo=..., previousFloatLogicalBottom=@0x7fffffffc6ec, maxFloatLogicalBottom=@0x7fffffffc834) at ../../Source/WebCore/rendering/RenderBlock.cpp:2102
#20 0x00007ffff423a576 in WebCore::RenderBlock::layoutBlockChildren (this=0x4cffb48, relayoutChildren=false, maxFloatLogicalBottom=@0x7fffffffc834) at ../../Source/WebCore/rendering/RenderBlock.cpp:2038
#21 0x00007ffff4237653 in WebCore::RenderBlock::layoutBlock (this=0x4cffb48, relayoutChildren=false, pageLogicalHeight=0, layoutPass=WebCore::RenderBlock::NormalLayoutPass) at ../../Source/WebCore/rendering/RenderBlock.cpp:1316
#22 0x00007ffff4236e58 in WebCore::RenderBlock::layout (this=0x4cffb48) at ../../Source/WebCore/rendering/RenderBlock.cpp:1189
#23 0x00007ffff423a952 in WebCore::RenderBlock::layoutBlockChild (this=0x4c116a8, child=0x4cffb48, marginInfo=..., previousFloatLogicalBottom=@0x7fffffffcb1c, maxFloatLogicalBottom=@0x7fffffffcc64) at ../../Source/WebCore/rendering/RenderBlock.cpp:2102
#24 0x00007ffff423a576 in WebCore::RenderBlock::layoutBlockChildren (this=0x4c116a8, relayoutChildren=false, maxFloatLogicalBottom=@0x7fffffffcc64) at ../../Source/WebCore/rendering/RenderBlock.cpp:2038
#25 0x00007ffff4237653 in WebCore::RenderBlock::layoutBlock (this=0x4c116a8, relayoutChildren=false, pageLogicalHeight=0, layoutPass=WebCore::RenderBlock::NormalLayoutPass) at ../../Source/WebCore/rendering/RenderBlock.cpp:1316
#26 0x00007ffff4236e58 in WebCore::RenderBlock::layout (this=0x4c116a8) at ../../Source/WebCore/rendering/RenderBlock.cpp:1189
#27 0x00007ffff423a952 in WebCore::RenderBlock::layoutBlockChild (this=0x29addc8, child=0x4c116a8, marginInfo=..., previousFloatLogicalBottom=@0x7fffffffcf4c, maxFloatLogicalBottom=@0x7fffffffd094) at ../../Source/WebCore/rendering/RenderBlock.cpp:2102
#28 0x00007ffff423a576 in WebCore::RenderBlock::layoutBlockChildren (this=0x29addc8, relayoutChildren=false, maxFloatLogicalBottom=@0x7fffffffd094) at ../../Source/WebCore/rendering/RenderBlock.cpp:2038
#29 0x00007ffff4237653 in WebCore::RenderBlock::layoutBlock (this=0x29addc8, relayoutChildren=false, pageLogicalHeight=0, layoutPass=WebCore::RenderBlock::NormalLayoutPass) at ../../Source/WebCore/rendering/RenderBlock.cpp:1316
#30 0x00007ffff4236e58 in WebCore::RenderBlock::layout (this=0x29addc8) at ../../Source/WebCore/rendering/RenderBlock.cpp:1189
#31 0x00007ffff4372543 in WebCore::RenderView::layout (this=0x29addc8) at ../../Source/WebCore/rendering/RenderView.cpp:137
#32 0x00007ffff40afe53 in WebCore::FrameView::layout (this=0x33ac160, allowSubtree=true) at ../../Source/WebCore/page/FrameView.cpp:1124
#33 0x00007ffff40b2813 in WebCore::FrameView::layoutTimerFired (this=0x33ac160) at ../../Source/WebCore/page/FrameView.cpp:1970
#34 0x00007ffff40bd686 in WebCore::Timer<WebCore::FrameView>::fired (this=0x33ac2c0) at ../../Source/WebCore/platform/Timer.h:100
#35 0x00007ffff41e2c41 in WebCore::ThreadTimers::sharedTimerFiredInternal (this=0xf731e0) at ../../Source/WebCore/platform/ThreadTimers.cpp:115

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