[Webkit-unassigned] [Bug 171990] New: WorkerThread::stop() should not access m_workerGlobalScope->script() after posting the cleanup task.

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=171990

            Bug ID: 171990
           Summary: WorkerThread::stop() should not access
                    m_workerGlobalScope->script() after posting the
                    cleanup task.
           Product: WebKit
           Version: WebKit Local Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: JavaScriptCore
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: mark.lam at apple.com

The cleanup task will invoke workerGlobalScope.clearScript() which deletes the WorkerScriptController.  Hence, it is not safe for WorkerThread::stop() to access the script controller after it has posted the cleanup task.

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