[Webkit-unassigned] [Bug 12090] New: Assertion failure in WebCore::WidthIterator::advance

Tue Jan 2 22:03:25 PST 2007

http://bugs.webkit.org/show_bug.cgi?id=12090

           Summary: Assertion failure in WebCore::WidthIterator::advance
           Product: WebKit
           Version: 420+ (nightly)
          Platform: Macintosh
        OS/Version: Mac OS X 10.4
            Status: NEW
          Keywords: HasReduction
          Severity: Major
          Priority: P2
         Component: New Bugs
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: bdash at webkit.org


<html>
<head>
    <title>Test HTML Page</title>
    <style type="text/css">
    p { font-family: "Zapf Dingbats"; font-variant: small-caps; }
    </style>
</head>
<body>
    <p>p</p>
</body>
</html>

Leads to the following assertion being failed at Font.cpp:203:
assert(substituteFontData == localGlyphBuffer.fontDataAt(0));

Program received signal SIGABRT, Aborted.
0x9003d1dc in kill ()
(gdb) bt
#0  0x9003d1dc in kill ()
#1  0x9010f2af in raise ()
#2  0x9010de02 in abort ()
#3  0x013e7df0 in __eprintf () at FastMalloc.h:53
#4  0x012158b1 in WebCore::WidthIterator::advance (this=0xbfffdc7c, offset=2,
glyphBuffer=0x0) at
/Users/mrowe/Documents/Source/SVN/WebKit-Nightlies/WebCore/platform/Font.cpp:203
#5  0x01216436 in WebCore::Font::floatWidthForSimpleText (this=0x18a1e298,
run=@0xbfffde20, style=@0xbfffde0c, substituteFont=0x0, startPosition=0x0,
glyphBuffer=0x0) at
/Users/mrowe/Documents/Source/SVN/WebKit-Nightlies/WebCore/platform/Font.cpp:550
#6  0x0121678d in WebCore::Font::floatWidth (this=0x18a1e298, run=@0xbfffde20,
style=@0xbfffde0c) at
/Users/mrowe/Documents/Source/SVN/WebKit-Nightlies/WebCore/platform/Font.cpp:540
#7  0x012167d3 in WebCore::Font::width (this=0x18a1e298, run=@0xbfffde20,
style=@0xbfffde0c) at
/Users/mrowe/Documents/Source/SVN/WebKit-Nightlies/WebCore/platform/Font.cpp:394
#8  0x0119ca77 in WebCore::RenderText::calcMinMaxWidth (this=0x18a1e32c,
leadWidth=0) at
/Users/mrowe/Documents/Source/SVN/WebKit-Nightlies/WebCore/rendering/RenderText.cpp:455
#9  0x0119cf63 in WebCore::RenderText::calcMinMaxWidth (this=0x18a1e32c) at
/Users/mrowe/Documents/Source/SVN/WebKit-Nightlies/WebCore/rendering/RenderText.cpp:540
#10 0x011872fd in WebCore::RenderObject::recalcMinMaxWidths (this=0x18a1e32c)
at
/Users/mrowe/Documents/Source/SVN/WebKit-Nightlies/WebCore/rendering/RenderObject.cpp:2724
#11 0x011871d6 in WebCore::RenderObject::recalcMinMaxWidths (this=0x18603d7c)
at
/Users/mrowe/Documents/Source/SVN/WebKit-Nightlies/WebCore/rendering/RenderObject.cpp:2709
#12 0x011871d6 in WebCore::RenderObject::recalcMinMaxWidths (this=0x184b41bc)
at
/Users/mrowe/Documents/Source/SVN/WebKit-Nightlies/WebCore/rendering/RenderObject.cpp:2709
#13 0x011871d6 in WebCore::RenderObject::recalcMinMaxWidths (this=0x1846260c)
at
/Users/mrowe/Documents/Source/SVN/WebKit-Nightlies/WebCore/rendering/RenderObject.cpp:2709
#14 0x011871d6 in WebCore::RenderObject::recalcMinMaxWidths (this=0x29c658c) at
/Users/mrowe/Documents/Source/SVN/WebKit-Nightlies/WebCore/rendering/RenderObject.cpp:2709
#15 0x01163270 in WebCore::RenderView::layout (this=0x29c658c) at
/Users/mrowe/Documents/Source/SVN/WebKit-Nightlies/WebCore/rendering/RenderView.cpp:109
#16 0x010e7863 in WebCore::FrameView::layout (this=0x2936550,
allowSubtree=true) at
/Users/mrowe/Documents/Source/SVN/WebKit-Nightlies/WebCore/page/FrameView.cpp:424
#17 0x010e8eae in WebCore::Document::updateLayout (this=0x2154600) at
/Users/mrowe/Documents/Source/SVN/WebKit-Nightlies/WebCore/dom/Document.cpp:1020
#18 0x010f5806 in WebCore::Document::updateLayoutIgnorePendingStylesheets
(this=0x2154600) at
/Users/mrowe/Documents/Source/SVN/WebKit-Nightlies/WebCore/dom/Document.cpp:1046
#19 0x0123e281 in WebCore::Element::offsetHeight (this=0x1703f600) at
/Users/mrowe/Documents/Source/SVN/WebKit-Nightlies/WebCore/dom/Element.cpp:214
#20 0x012311c8 in WebCore::JSElement::getValueProperty (this=0x1830f3d0,
exec=0xbfffe4c0, token=5) at
/Users/mrowe/Documents/Source/SVN/WebKit-Nightlies/WebKitBuild/Debug/DerivedSources/WebCore/JSElement.cpp:205
#21 0x0153a9f6 in KJS::staticValueGetter<WebCore::JSElement> (exec=0xbfffe4c0,
slot=@0xbfffe204) at lookup.h:149
#22 0x00546835 in KJS::PropertySlot::getValue (this=0xbfffe204,
exec=0xbfffe4c0, originalObject=0x1830f3d0, propertyName=@0x1868eccc) at
property_slot.h:47
#23 0x004e5270 in KJS::JSObject::get (this=0x1830f3d0, exec=0xbfffe4c0,
propertyName=@0x1868eccc) at
/Users/mrowe/Documents/Source/SVN/WebKit-Nightlies/JavaScriptCore/kjs/object.cpp:151
#24 0x004dca59 in KJS::DotAccessorNode::evaluate (this=0x1868ecc0,
exec=0xbfffe4c0) at
/Users/mrowe/Documents/Source/SVN/WebKit-Nightlies/JavaScriptCore/kjs/nodes.cpp:548
#25 0x004d52dd in KJS::AssignExprNode::evaluate (this=0x18682380,
exec=0xbfffe4c0) at
/Users/mrowe/Documents/Source/SVN/WebKit-Nightlies/JavaScriptCore/kjs/nodes.cpp:1527
#26 0x004d92fc in KJS::VarDeclNode::evaluate (this=0x1868f0f0, exec=0xbfffe4c0)
at
/Users/mrowe/Documents/Source/SVN/WebKit-Nightlies/JavaScriptCore/kjs/nodes.cpp:1545
#27 0x004d921a in KJS::VarDeclListNode::evaluate (this=0x1868f110,
exec=0xbfffe4c0) at
/Users/mrowe/Documents/Source/SVN/WebKit-Nightlies/JavaScriptCore/kjs/nodes.cpp:1592
#28 0x004d90f2 in KJS::VarStatementNode::execute (this=0x1868f7e0,
exec=0xbfffe4c0) at
/Users/mrowe/Documents/Source/SVN/WebKit-Nightlies/JavaScriptCore/kjs/nodes.cpp:1616
#29 0x004d6b60 in KJS::SourceElementsNode::execute (this=0x1868f930,
exec=0xbfffe4c0) at
/Users/mrowe/Documents/Source/SVN/WebKit-Nightlies/JavaScriptCore/kjs/nodes.cpp:2449
#30 0x004d5498 in KJS::BlockNode::execute (this=0x186913b0, exec=0xbfffe4c0) at
/Users/mrowe/Documents/Source/SVN/WebKit-Nightlies/JavaScriptCore/kjs/nodes.cpp:1648
#31 0x004c736a in KJS::DeclaredFunctionImp::execute (this=0x1830e0b0,
exec=0xbfffe4c0) at
/Users/mrowe/Documents/Source/SVN/WebKit-Nightlies/JavaScriptCore/kjs/function.cpp:359
#32 0x004c964d in KJS::FunctionImp::callAsFunction (this=0x1830e0b0,
exec=0x18491e5c, thisObj=0x17091b90, args=@0xbfffe57c) at
/Users/mrowe/Documents/Source/SVN/WebKit-Nightlies/JavaScriptCore/kjs/function.cpp:108
#33 0x004e5ec4 in KJS::JSObject::call (this=0x1830e0b0, exec=0x18491e5c,
thisObj=0x17091b90, args=@0xbfffe57c) at
/Users/mrowe/Documents/Source/SVN/WebKit-Nightlies/JavaScriptCore/kjs/object.cpp:96
#34 0x01254dce in KJS::JSAbstractEventListener::handleEvent (this=0x1821da60,
ele=0x186872c0, isWindowEvent=true) at
/Users/mrowe/Documents/Source/SVN/WebKit-Nightlies/WebCore/bindings/js/kjs_events.cpp:121
#35 0x010ec904 in WebCore::Document::handleWindowEvent (this=0x2154600,
evt=0x186872c0, useCapture=false) at
/Users/mrowe/Documents/Source/SVN/WebKit-Nightlies/WebCore/dom/Document.cpp:2238
#36 0x012227b5 in WebCore::EventTargetNode::dispatchWindowEvent
(this=0x2154600, eventType=@0x1652508, canBubbleArg=false, cancelableArg=false)
at
/Users/mrowe/Documents/Source/SVN/WebKit-Nightlies/WebCore/dom/EventTargetNode.cpp:325
#37 0x010eeb8f in WebCore::Document::implicitClose (this=0x2154600) at
/Users/mrowe/Documents/Source/SVN/WebKit-Nightlies/WebCore/dom/Document.cpp:1326
#38 0x01390ca9 in WebCore::FrameLoader::checkEmitLoadEvent (this=0x204a600) at
/Users/mrowe/Documents/Source/SVN/WebKit-Nightlies/WebCore/loader/FrameLoader.cpp:1108
#39 0x0139733d in WebCore::FrameLoader::checkCompleted (this=0x204a600) at
/Users/mrowe/Documents/Source/SVN/WebKit-Nightlies/WebCore/loader/FrameLoader.cpp:1076
#40 0x013980d9 in WebCore::FrameLoader::loadDone (this=0x204a600) at
/Users/mrowe/Documents/Source/SVN/WebKit-Nightlies/WebCore/loader/FrameLoader.cpp:1050
#41 0x01107202 in WebCore::DocLoader::setLoadInProgress (this=0x182cd3c0,
load=false) at
/Users/mrowe/Documents/Source/SVN/WebKit-Nightlies/WebCore/loader/DocLoader.cpp:176
#42 0x01108a91 in WebCore::Loader::receivedAllData (this=0x1650e58,
loader=0x1844b7d0, allData=0x18684780) at
/Users/mrowe/Documents/Source/SVN/WebKit-Nightlies/WebCore/loader/loader.cpp:110
#43 0x01378980 in WebCore::SubresourceLoader::didFinishLoading
(this=0x1844b7d0) at
/Users/mrowe/Documents/Source/SVN/WebKit-Nightlies/WebCore/loader/mac/SubresourceLoaderMac.mm:195
#44 0x013748c0 in WebCore::ResourceLoader::didFinishLoading (this=0x1844b7d0)
at
/Users/mrowe/Documents/Source/SVN/WebKit-Nightlies/WebCore/loader/mac/ResourceLoaderMac.mm:446
#45 0x01383d43 in -[WebCoreResourceHandleAsDelegate
connectionDidFinishLoading:] (self=0x186844f0, _cmd=0x90a9d160, con=0x18684650)
at
/Users/mrowe/Documents/Source/SVN/WebKit-Nightlies/WebCore/platform/network/mac/ResourceHandleMac.mm:308
#46 0x9265be00 in -[NSURLConnection(NSURLConnectionInternal)
_sendDidFinishLoadingCallback] ()
#47 0x92659ea5 in -[NSURLConnection(NSURLConnectionInternal) _sendCallbacks] ()
#48 0x92659b41 in _sendCallbacks ()
#49 0x90829379 in CFRunLoopRunSpecific ()
#50 0x90828eb5 in CFRunLoopRunInMode ()
#51 0x92dcdb90 in RunCurrentEventLoopInMode ()
#52 0x92dcd297 in ReceiveNextEventCommon ()
#53 0x92dcd0ee in BlockUntilNextEventMatchingListInMode ()
#54 0x9326f465 in _DPSNextEvent ()
#55 0x9326f056 in -[NSApplication
nextEventMatchingMask:untilDate:inMode:dequeue:] ()
#56 0x00006f96 in ?? ()
#57 0x93268ddb in -[NSApplication run] ()
#58 0x9325cd2f in NSApplicationMain ()
#59 0x0005f7de in ?? ()
#60 0x0005f6f9 in ?? ()
(gdb)


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