[Webkit-unassigned] [Bug 108619] New: ASSERT(enclosingIntRect(rendererMappedResult) == enclosingIntRect(FloatQuad(result).boundingBox())) in RenderGeometryMap

Fri Feb 1 05:21:51 PST 2013

https://bugs.webkit.org/show_bug.cgi?id=108619

           Summary: ASSERT(enclosingIntRect(rendererMappedResult) ==
                    enclosingIntRect(FloatQuad(result).boundingBox())) in
                    RenderGeometryMap
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Unspecified
        OS/Version: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Layout and Rendering
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: reni at webkit.org
                CC: simon.fraser at apple.com, jberlin at webkit.org

During CSS fuzzing I've got the following assertion faulire:

Program received signal SIGSEGV, Segmentation fault.
0x00007ffff5632d50 in WebCore::RenderGeometryMap::mapToContainer (this=0x7fffffffc7a0, rect=..., container=0x0)
    at /home/reni/repos/webkit2/Source/WebCore/rendering/RenderGeometryMap.cpp:142
142        ASSERT(enclosingIntRect(rendererMappedResult) == enclosingIntRect(FloatQuad(result).boundingBox()));

The test:

<html id="test-element">
<head>
<style>
    #test-element {font-size: 354em;}
</style>

<body>

<div id="test-element" style="margin: 131em;"></div>
<div id=word style="-webkit-box-shadow: 2px -2px;position: absolute; margin:131em;"></div>

</body>
</html>

I've seen bugs (Qt: #89466, WIN: #88128) with similar issues but they are working for me right now.

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