[Webkit-unassigned] [Bug 62439] New: chrome.dll!WebCore::RenderSVGInlineText::characterStartsNewTextChunk ReadAV at NULL (ad7d65579453ac1871922b57f60eb2f7)

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=62439

           Summary: chrome.dll!WebCore::RenderSVGInlineText::characterStar
                    tsNewTextChunk ReadAV at NULL
                    (ad7d65579453ac1871922b57f60eb2f7)
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: PC
        OS/Version: Windows Vista
            Status: NEW
          Severity: Normal
          Priority: P1
         Component: SVG
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: skylined at chromium.org
                CC: eric at webkit.org, zimmermann at kde.org


Chromium:
https://code.google.com/p/chromium/issues/detail?id=85683

Repro.html:
<iframe src="repro.svg" onload="go(this)"></iframe>
<script>
    function go(oIframe) {
      var oSelection = oIframe.contentWindow.getSelection();
      oSelection.selectAllChildren(oIframe.contentDocument);
      oSelection.deleteFromDocument()
    }
</script>

Repro.svg:
<!DOCTYPE svg>
<?xml-stylesheet href="data:text/css,:before{content:counter(x)}"?>
<svg xmlns="http://www.w3.org/2000/svg"><text>x<tspan>  <tspan

(this can probably be merged into one file, but I was unable to find a quick way to do it that still allowed you to see what the code does.

id:             chrome.dll!WebCore::RenderSVGInlineText::characterStartsNewTextChunk ReadAV at NULL (ad7d65579453ac1871922b57f60eb2f7)
description:    Attempt to read from unallocated NULL pointer in chrome.dll!WebCore::RenderSVGInlineText::characterStartsNewTextChunk
stack:          chrome.dll!WebCore::RenderSVGInlineText::characterStartsNewTextChunk
                chrome.dll!WebCore::SVGTextLayoutEngine::layoutTextOnLineOrPath
                chrome.dll!WebCore::SVGTextLayoutEngine::layoutInlineTextBox
                chrome.dll!WebCore::SVGRootInlineBox::layoutCharactersInTextBoxes
                chrome.dll!WebCore::SVGRootInlineBox::computePerCharacterLayoutInformation
                chrome.dll!WebCore::RenderBlock::createLineBoxesFromBidiRuns
                chrome.dll!WebCore::RenderBlock::layoutRunsAndFloats
                chrome.dll!WebCore::RenderBlock::layoutInlineChildren
                chrome.dll!WebCore::RenderSVGText::layout
                chrome.dll!WebCore::SVGRenderSupport::layoutChildren
                chrome.dll!WebCore::RenderSVGContainer::layout
                chrome.dll!WebCore::SVGRenderSupport::layoutChildren
                chrome.dll!WebCore::RenderSVGContainer::layout
                chrome.dll!WebCore::SVGRenderSupport::layoutChildren
                chrome.dll!WebCore::RenderSVGContainer::layout
                chrome.dll!WebCore::SVGRenderSupport::layoutChildren
                chrome.dll!WebCore::RenderSVGRoot::layout
                chrome.dll!WebCore::FrameView::layout
                chrome.dll!WebCore::Document::updateLayout
                chrome.dll!WebCore::Document::updateLayoutIgnorePendingStylesheets
                chrome.dll!WebCore::VisiblePosition::canonicalPosition
                chrome.dll!WebCore::VisiblePosition::init
                chrome.dll!WebCore::VisiblePosition::VisiblePosition
                chrome.dll!WebCore::DOMSelection::setBaseAndExtent
                chrome.dll!WebCore::DOMSelection::deleteFromDocument
                chrome.dll!WebCore::DOMSelectionInternal::deleteFromDocumentCallback
                chrome.dll!v8::internal::HandleApiCallHelper<...>
                chrome.dll!v8::internal::Builtin_HandleApiCall
                chrome.dll!v8::internal::Invoke
                chrome.dll!v8::internal::Execution::Call
                ...

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