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In-Reply-To: <20070126052659.GA23250@sergelap.austin.ibm.com>
References: <20070126052659.GA23250@sergelap.austin.ibm.com>
Date: Fri, 26 Jan 2007 11:09:46 +0100 (CET)
Subject: Re: [PATCH] namespaces: fix exit race by splitting exit
From: "Daniel Hokka Zakrisson" <daniel@hozac.com>
To: "Serge E. Hallyn" <serue@us.ibm.com>
Cc: linux-kernel@vger.kernel.org, "Eric W. Biederman" <ebiederm@xmission.com>,
       "Oleg Nesterov" <oleg@tv-sign.ru>, "Cedric Le Goater" <clg@fr.ibm.com>,
       "Daniel Hokka Zakrisson" <daniel@hozac.com>, herbert@13thfloor.at,
       akpm@osdl.org, trond.myklebust@fys.uio.no,
       "Linux Containers" <containers@lists.osdl.org>
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Serge E. Hallyn wrote:
> Ok, could you verify that the following patch at least solves
> the oopsing?
>
> (I can't reproduce the oops with Daniel's test prog)
>
> thanks,
> -serge

Indeed, this patch solves the oopsing, but so did the last one. I think I
finally managed to figure out why too, as release_task would be called
with current referring to the parent process, or whoever is reaping the
process with the last reference to the namespace. Right?

Regardless, I have to say I prefer this patch.

-- 
Daniel Hokka Zakrisson
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