[Webkit-unassigned] [Bug 49564] New: createSVGTransformFromMatrix(undefined) => NULL ptr

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=49564

           Summary: createSVGTransformFromMatrix(undefined) => NULL ptr
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: PC
               URL: http://code.google.com/p/chromium/issues/detail?id=632
                    66
        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=73932)
 --> (https://bugs.webkit.org/attachment.cgi?id=73932&action=review)
Repro

Repro:
<script>
document.createElementNS("http://www.w3.org/2000/svg", "pattern").
  patternTransform.animVal.createSVGTransformFromMatrix(undefined);
</script>

id:             chrome.dll!WebCore::SVGTransformListPropertyTearOff::createSVGTransformFromMatrix ReadAV at NULL (0fa2b124867b86a588efe302a0d5ce30)
description:    Attempt to read from unallocated NULL pointer+0xC in chrome.dll!WebCore::SVGTransformListPropertyTearOff::createSVGTransformFromMatrix
stack:          chrome.dll!WebCore::SVGTransformListPropertyTearOff::createSVGTransformFromMatrix
                chrome.dll!WebCore::SVGTransformListInternal::createSVGTransformFromMatrixCallback
                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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