linux-kernel - Re: [PATCH] namespaces: fix exit race by splitting exit

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Message-ID: <41241.192.168.101.6.1169806186.squirrel@intranet>
Date:	Fri, 26 Jan 2007 11:09:46 +0100 (CET)
From:	"Daniel Hokka Zakrisson" <daniel@...ac.com>
To:	"Serge E. Hallyn" <serue@...ibm.com>
Cc:	linux-kernel@...r.kernel.org,
	"Eric W. Biederman" <ebiederm@...ssion.com>,
	"Oleg Nesterov" <oleg@...sign.ru>,
	"Cedric Le Goater" <clg@...ibm.com>,
	"Daniel Hokka Zakrisson" <daniel@...ac.com>, herbert@...hfloor.at,
	akpm@...l.org, trond.myklebust@....uio.no,
	"Linux Containers" <containers@...ts.osdl.org>
Subject: Re: [PATCH] namespaces: fix exit race by splitting exit

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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