[Webkit-unassigned] [Bug 79252] New: [WK2][GTK] WebProcess SIGSEVs due to incorrect clipboard handling

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=79252

           Summary: [WK2][GTK] WebProcess SIGSEVs due to incorrect
                    clipboard handling
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Unspecified
        OS/Version: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: WebKit Gtk
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: svillar at igalia.com


WebEditorClient::setSelectionPrimaryClipboardIfNeeded passes a Frame as argument to a callback executed after writing some contents to the clipboard. The problem is that if the WebProcess closes the related to that Frame before the callback is executed then the Frame is destroyed causing a SIGSEV when the callback is executed.

This is easy to reproduce in Debug builds repeatedly running the TestWebViewEditor unit tests. It will fail after 3-4 correct executions.

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