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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. -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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