netdev - Re: pppd service crash in linux-3.13.6

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Message-ID: <532319EC.8000509@hurleysoftware.com>
Date:	Fri, 14 Mar 2014 11:02:04 -0400
From:	Peter Hurley <peter@...leysoftware.com>
To:	Oleg Nesterov <oleg@...hat.com>
CC:	Sree Harsha Totakura <sreeharsha@...akura.in>,
	linux-kernel@...r.kernel.org, netdev@...r.kernel.org,
	"Eric W. Biederman" <ebiederm@...ssion.com>
Subject: Re: pppd service crash in linux-3.13.6

On 03/14/2014 10:19 AM, Peter Hurley wrote:
> Plus, proc_exit_connector() uses netlink which uses user_ns.

Actually, I think this can be safely ignored since if the
netlink socket was tied to a user_ns which has just been
freed in exit_task_namespace() then the socket could not
be open in another process (otherwise the net_ns would
still have an open reference).
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