[Webkit-unassigned] [Bug 48741] New: Check for NULL node in SVGUseElement::associateInstancesWithShadowTreeElements loop

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=48741

           Summary: Check for NULL node in
                    SVGUseElement::associateInstancesWithShadowTreeElement
                    s loop
           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: jschuh at chromium.org
                CC: zimmermann at kde.org, mdelaney at apple.com


Here's a test case that triggers a NULL deref crash:

<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
    <set id="set"/>
    <use id="use" xlink:href="#set">x</use>
    <use xlink:href="#use"/>
</svg>

Patch forthcoming.

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