[Webkit-unassigned] [Bug 21213] New: MessagePort crash when GC collects an object with a pending close event

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=21213

           Summary: MessagePort crash when GC collects an object with a
                    pending close event
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Macintosh
        OS/Version: Mac OS X 10.5
            Status: NEW
          Severity: Normal
          Priority: P1
         Component: WebCore Misc.
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: ap at webkit.org


CloseMessagePortTimer retains MessagePort, but not its wrapper. As a result,
event listeners can be garbage collected, and the close event will be
dispatched using a stale listener object pointer.

Patch forthcoming.


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