[Webkit-unassigned] [Bug 74845] New: chrome.dll!WebCore..Pattern..platformPattern ReadAV at NULL

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=74845

           Summary: chrome.dll!WebCore..Pattern..platformPattern
                    ReadAV at NULL
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: PC
        OS/Version: Windows Vista
            Status: NEW
          Severity: Normal
          Priority: P1
         Component: Canvas
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: skylined at chromium.org
                CC: eric at webkit.org, mdelaney at apple.com


Created an attachment (id=119832)
 --> (https://bugs.webkit.org/attachment.cgi?id=119832&action=review)
Repro

<script>
var oContext2d = document.getCSSCanvasContext("2d","webkitcanvas",1,65536);
var oPattern = oContext2d.createPattern(oContext2d.canvas,"repeat");
document.getCSSCanvasContext("","webkitcanvas",1,1);
oContext2d.fillStyle = oPattern;
oContext2d.fillRect(0,5,0,8);
</script>

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