linux-kernel - Re: apparmor: double lock

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Date:	Sat, 04 Sep 2010 22:41:58 -0700
From:	John Johansen <john.johansen@...onical.com>
To:	Jiri Slaby <jirislaby@...il.com>
CC:	James Morris <jmorris@...ei.org>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: apparmor: double lock

On 09/04/2010 04:57 AM, Jiri Slaby wrote:
> Hi,
> 
> stanse found that you possibly double lock ns->lock:
> aa_remove_profiles
>   -> write_lock(&ns->lock)
>   -> __remove_namespace(ns)
>     -> destroy_namespace(ns)
>       -> write_lock(&ns->lock)
> 
> Could you fix that if that may happen at all?
> 
Yes, thanks Jiri, the patch has already been posted

http://marc.info/?l=linux-kernel&m=128295924407596&w=2

john
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