[Webkit-unassigned] [Bug 19541] New: Null pointer in showModalDialog()

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=19541

           Summary: Null pointer in showModalDialog()
           Product: WebKit
           Version: 526+ (Nightly build)
          Platform: PC
               URL: http://danceoffwithyourpantsoff.googlepages.com/empty-
                    page.html
        OS/Version: Mac OS X 10.5
            Status: UNCONFIRMED
          Severity: Normal
          Priority: P2
         Component: JavaScriptCore
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: danceoffwithyourpantsoff at gmail.com


A frame can out live it's page, for example when a frame is detached (so
pageDestroyed() is called).  We could still have a reference to the window from
javascript.

The patch is simple to check !frame and !frame->page()


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