[Webkit-unassigned] [Bug 59136] New: Null deref when no use element exists for SVG element instance

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=59136

           Summary: Null deref when no use element exists for SVG element
                    instance
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: PC
        OS/Version: Mac OS X 10.5
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: SVG
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: cdn at chromium.org
                CC: zimmermann at kde.org


Within SVGAnimationElement::setTargetAttributeAnimatedValue() the target element's instances are walked and the cooresponding use elements are set to need style recalc. When there is no cooresponding use element this will crash with a null deref.

I have a patch and will upload in shortly.

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