netdev - Re: 3.3-rc3+ Crash in __neigh_for_each

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Message-ID: <alpine.SOC.1.00.1202220918220.21339@math.ut.ee>
Date:	Wed, 22 Feb 2012 09:19:15 +0200 (EET)
From:	mroos@...ux.ee
To:	Eric Dumazet <eric.dumazet@...il.com>
cc:	David Miller <davem@...emloft.net>, netdev@...r.kernel.org
Subject: Re: 3.3-rc3+ Crash in __neigh_for_each_release

> What about following patch ?
> 
> Meelis, can you test it please ?

Works fine, thank you!
 
> [PATCH] atm: clip: remove clip_tbl
> 
> Commit 32092ecf0644 (atm: clip: Use device neigh support on top of
> "arp_tbl".) introduced a bug since clip_tbl is zeroed : Crash occurs in
> __neigh_for_each_release()
> 
> idle_timer_check() must use instead arp_tbl and neigh_check_cb() should
> ignore non clip neighbours.
> 
> Idea from David Miller.
> 
> Reported-by: Meelis Roos <mroos@...ux.ee>
> Signed-off-by: Eric Dumazet <eric.dumazet@...il.com>

Tested-by: Meelis Roos <mroos@...ux.ee>

-- 
Meelis Roos (mroos@...ux.ee)
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