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    SubjectRe: [BUG] task->nsproxy was unexpectedly NULL (caught in exit_shm)
    On Sat, Feb 18, 2012 at 09:39:50PM +0400, Vasiliy Kulikov wrote:
    ...
    > >
    > > So task->nsproxy was unexpectedly NULL atm.
    > > The bug happened only once so far.
    >
    > I'm confused. How ->nsproxy can be NULL in do_exit()? AFAIU, it is not a
    > special process (i.e. init or udev), but a common chrome process.
    >
    > Could it be missing get_nsproxy() somewhere? And as a result, freed
    > current->nsproxy while still having active users.
    >

    Probably it would worth to repeat this issue without proprientary
    drivers loaded. Also I wonder why don't we use rcu_assign_pointer
    for nsproxy in copy_namespaces.

    Cyrill


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