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Date:	Thu, 24 Apr 2008 01:03:08 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	yoshfuji@...ux-ipv6.org
Cc:	xemul@...nvz.org, netdev@...r.kernel.org
Subject: Re: [PATCH][NETNS]: The ip6_fib_timer can work with garbage on net
 namespace stop.

From: YOSHIFUJI Hideaki / 吉藤英明 <yoshfuji@...ux-ipv6.org>
Date: Thu, 24 Apr 2008 01:14:06 +0900 (JST)

> In article <480C912E.70900@...nvz.org> (at Mon, 21 Apr 2008 17:05:50 +0400), Pavel Emelyanov <xemul@...nvz.org> says:
> 
> > The del_timer() function doesn't guarantee, that the timer callback
> > is not active by the time it exits.
> > 
> > Thus, the fib6_net_exit() may kfree() all the data, that is required
> > by the fib6_run_gc(). The race window is tiny, but slab poisoning can
> > trigger this bug.
> > 
> > Using del_timer_sync() will cure this.
> > 
> > Signed-off-by: Pavel Emelyanov <xemul@...nvz.org>
> 
> Acked-by: YOSHIFUJI Hideaki <yoshfuji@...ux-ipv6.org>
> 
> Also suitable for -stable.

I will queue it, thanks.
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