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    SubjectRe: perf: use after free in perf_remove_from_context
    On Thu, May 29, 2014 at 10:47:09AM -0400, Sasha Levin wrote:
    > It doesn't work out well because we later lock a mutex in sync_child_event().
    >

    Urgh, right you are. I'll go stare at it more. It shouldn't have
    mattered, because the mutex we take just before should ensure existence,
    but.. you know.. :-)


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