[Webkit-unassigned] [Bug 49316] New: chrome.dll!WebCore::Node::createRendererIfNeeded ReadAV at NULL (7079875ef32458c5c891a311715b683f)

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=49316

           Summary: chrome.dll!WebCore::Node::createRendererIfNeeded
                    ReadAV at NULL (7079875ef32458c5c891a311715b683f)
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: PC
               URL: http://code.google.com/p/chromium/issues/detail?id=626
                    59
        OS/Version: Windows Vista
            Status: NEW
          Severity: Normal
          Priority: P1
         Component: HTML DOM
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: skylined at chromium.org
                CC: eric at webkit.org


Created an attachment (id=73485)
 --> (https://bugs.webkit.org/attachment.cgi?id=73485&action=review)
Repro

Repro.html:
<svg><use><style>:first-letter{margin-right:auto}<i><style>

id:             chrome.dll!WebCore::Node::createRendererIfNeeded ReadAV at NULL (7079875ef32458c5c891a311715b683f)
description:    Attempt to read from unallocated NULL pointer+0x20 in chrome.dll!WebCore::Node::createRendererIfNeeded
application:    Chromium 9.0.571.0
stack:          chrome.dll!WebCore::Node::createRendererIfNeeded
                chrome.dll!WebCore::Element::attach
                chrome.dll!WebCore::HTMLMediaElement::attach
                chrome.dll!WebCore::Element::recalcStyle
                chrome.dll!WebCore::SVGUseElement::recalcStyle
                chrome.dll!WebCore::Element::recalcStyle
                chrome.dll!WebCore::Element::recalcStyle
                chrome.dll!WebCore::Element::recalcStyle
                chrome.dll!WebCore::Document::recalcStyle
                chrome.dll!WebCore::Document::styleSelectorChanged
                chrome.dll!WebCore::Document::removePendingSheet
                chrome.dll!WebCore::StyleElement::sheetLoaded
                chrome.dll!WebCore::HTMLStyleElement::sheetLoaded
                chrome.dll!WebCore::CSSStyleSheet::checkLoaded
                chrome.dll!WebCore::StyleElement::createSheet
                chrome.dll!WebCore::StyleElement::process
                chrome.dll!WebCore::StyleElement::finishParsingChildren
                chrome.dll!WebCore::HTMLStyleElement::finishParsingChildren
                chrome.dll!WebCore::HTMLElementStack::popCommon
                chrome.dll!WebCore::HTMLTreeBuilder::processEndOfFile
                chrome.dll!WebCore::HTMLTreeBuilder::constructTreeFromAtomicToken
                chrome.dll!WebCore::HTMLTreeBuilder::constructTreeFromToken
                chrome.dll!WebCore::HTMLDocumentParser::pumpTokenizer
                chrome.dll!WebCore::HTMLDocumentParser::prepareToStopParsing
                chrome.dll!WebCore::DocumentWriter::endIfNotLoadingMainResource
                chrome.dll!WebCore::FrameLoader::finishedLoading
                chrome.dll!WebCore::MainResourceLoader::didFinishLoading
                chrome.dll!WebCore::ResourceLoader::didFinishLoading
                chrome.dll!WebCore::ResourceHandleInternal::didFinishLoading
                ...

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