NEW 12090
Assertion failure in WebCore::WidthIterator::advance 
https://bugs.webkit.org/show_bug.cgi?id=12090
Summary Assertion failure in WebCore::WidthIterator::advance
Mark Rowe (bdash)
Reported 2007-01-02 22:03:25 PST
<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)
Attachments
Add attachment proposed patch, testcase, etc.
Frances Cornwall
Comment 1 2024-04-25 20:29:55 PDT
The assert(substituteFontData == localGlyphBuffer.fontDataAt(0)) is not in Font.cpp.
Note You need to log in before you can comment on or make changes to this bug.