[Webkit-unassigned] [Bug 60559] New: Frequent crashes beneath WebCore::ScriptElement::prepareScript

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=60559

           Summary: Frequent crashes beneath
                    WebCore::ScriptElement::prepareScript
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: All
        OS/Version: All
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: HTML DOM
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: sam at webkit.org


Created an attachment (id=92975)
 --> (https://bugs.webkit.org/attachment.cgi?id=92975&action=review)
Crash Log

We are seeing a high volume of crashes under WebCore::ScriptElement::prepareScript, unfortunately, I have not found any repro steps yet. 

It looks to me like there is a null ScriptElement in HTMLScriptRunner::runScript, though I have not worked out yet how that could happen.

Attaching sample crash log.

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