[Webkit-unassigned] [Bug 101500] New: svg/text/kerning.svg occasionally crashing

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=101500

           Summary: svg/text/kerning.svg occasionally crashing
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Unspecified
        OS/Version: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: SVG
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: aboxhall at chromium.org
                CC: zimmermann at kde.org


For example, http://build.chromium.org/p/chromium.webkit/builders/WebKit%20Mac10.6%20(dbg)/builds/582/steps/webkit_tests/logs/stdio

Stack trace:
ASSERTION FAILED: fontCache()->generation() == m_generation
10:51:19.185 1178   /Volumes/data/b/build/slave/webkit-mac-latest-dbg/build/src/third_party/WebKit/Source/WebCore/WebCore.gyp/../platform/graphics/FontFallbackList.cpp(106) : const WebCore::FontData *WebCore::FontFallbackList::fontDataAt(const WebCore::Font *, unsigned int) const
10:51:19.185 1178   1   0x3cdc76a9 WebCore::FontFallbackList::fontDataAt(WebCore::Font const*, unsigned int) const
10:51:19.185 1178   2   0x3b896589 WebCore::FontFallbackList::primaryFontData(WebCore::Font const*) const
10:51:19.185 1178   3   0x3b8964f3 WebCore::FontFallbackList::primarySimpleFontData(WebCore::Font const*)
10:51:19.185 1178   4   0x3b89635a WebCore::Font::primaryFont() const
10:51:19.185 1178   5   0x3df0cc0d WebCore::textRunNeedsRenderingContext(WebCore::Font const&)
10:51:19.186 1178   6   0x3e2d7f15 WebCore::SVGTextMetrics::constructTextRun(WebCore::RenderSVGInlineText*, unsigned short const*, unsigned int, unsigned int)
10:51:19.186 1178   7   0x3e2d8e34 WebCore::SVGTextMetricsBuilder::initializeMeasurementWithTextRenderer(WebCore::RenderSVGInlineText*)
10:51:19.186 1178   8   0x3e2d90a4 WebCore::SVGTextMetricsBuilder::measureTextRenderer(WebCore::RenderSVGInlineText*, WebCore::MeasureTextData*)
10:51:19.186 1178   9   0x3e2d9498 WebCore::SVGTextMetricsBuilder::walkTree(WebCore::RenderObject*, WebCore::RenderSVGInlineText*, WebCore::MeasureTextData*)
10:51:19.186 1178   10  0x3e2d963c WebCore::SVGTextMetricsBuilder::measureTextRenderer(WebCore::RenderSVGInlineText*)
10:51:19.186 1178   11  0x3e2cf108 WebCore::SVGTextLayoutAttributesBuilder::rebuildMetricsForTextRenderer(WebCore::RenderSVGInlineText*)
10:51:19.186 1178   12  0x3e292aeb WebCore::RenderSVGText::subtreeStyleDidChange(WebCore::RenderSVGInlineText*)
10:51:19.186 1178   13  0x3e254594 WebCore::RenderSVGInlineText::styleDidChange(WebCore::StyleDifference, WebCore::RenderStyle const*)
10:51:19.186 1178   14  0x3e0dd156 WebCore::RenderObject::setStyle(WTF::PassRefPtr<WebCore::RenderStyle>)
10:51:19.186 1178   15  0x3c80e06e WebCore::Text::recalcTextStyle(WebCore::Node::StyleChange)
10:51:19.186 1178   16  0x3c6e161c WebCore::Element::recalcStyle(WebCore::Node::StyleChange)
10:51:19.186 1178   17  0x3c6e170a WebCore::Element::recalcStyle(WebCore::Node::StyleChange)
10:51:19.186 1178   18  0x3c6e170a WebCore::Element::recalcStyle(WebCore::Node::StyleChange)
10:51:19.186 1178   19  0x3c6e170a WebCore::Element::recalcStyle(WebCore::Node::StyleChange)
10:51:19.186 1178   20  0x3c612456 WebCore::Document::recalcStyle(WebCore::Node::StyleChange)
10:51:19.186 1178   21  0x3c60d07d WebCore::Document::updateStyleIfNeeded()
10:51:19.186 1178   22  0x3db3b404 WebCore::FrameLoader::stopLoading(WebCore::UnloadEventPolicy)
10:51:19.186 1178   23  0x3db3b94a WebCore::FrameLoader::closeURL()
10:51:19.186 1178   24  0x3db45462 WebCore::FrameLoader::transitionToCommitted(WTF::PassRefPtr<WebCore::CachedPage>)
10:51:19.186 1178   25  0x3db44b0b WebCore::FrameLoader::commitProvisionalLoad()
10:51:19.186 1178   26  0x3db00dbd WebCore::DocumentLoader::commitIfReady()
10:51:19.186 1178   27  0x3db01513 WebCore::DocumentLoader::commitLoad(char const*, int)
10:51:19.186 1178   28  0x3db01a7d WebCore::DocumentLoader::receivedData(char const*, int)
10:51:19.186 1178   29  0x3db65ae4 WebCore::MainResourceLoader::addData(char const*, int, bool)
10:51:19.186 1178   30  0x3db8b840 WebCore::ResourceLoader::didReceiveData(char const*, int, long long, bool)
10:51:19.187 1178   31  0x3db675f5 WebCore::MainResourceLoader::didReceiveData(char const*, int, long long, bool)

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