[vserver] Re: Crash with task->parent->nsproxy==NULL

From: Grzegorz Nosek <grzegorz.nosek_at_gmail.com>
Date: Mon 25 Jun 2012 - 15:01:57 BST
Message-ID: <4FE86F55.5010000@gmail.com>

W dniu 25.06.2012 12:42, Grzegorz Nosek pisze:
> During a time of more-or-less mayhem (high CPU usage, moderate random
> I/O load plus a crappy disk detaching itself from the bus right in the
> middle), but *no* VServer-related actions like starting/stopping a
> container I got an oops in do_notify_parent:
> [58974.254066] BUG: unable to handle kernel NULL pointer dereference at
> 0000000000000020
> [58974.260279] IP: [<ffffffff8104a0c2>] do_notify_parent+0x7a/0x1c1

Okay, to whom it may concern: fix attached. It's simply another chunk of
code that was there since forever but is not longer used by VServer.

It only affects kernels with my earlier patch, as it revived the context
reaper feature in an incomplete way.

Best regards,
 Grzegorz Nosek

Received on Mon Jun 25 15:02:12 2012
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