netdev - Re: 3.3-rc3+ Crash in __neigh_for_each

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Message-Id: <20120221.174626.483958348601999244.davem@davemloft.net>
Date:	Tue, 21 Feb 2012 17:46:26 -0500 (EST)
From:	David Miller <davem@...emloft.net>
To:	eric.dumazet@...il.com
Cc:	mroos@...ux.ee, netdev@...r.kernel.org
Subject: Re: 3.3-rc3+ Crash in __neigh_for_each_release

From: Eric Dumazet <eric.dumazet@...il.com>
Date: Tue, 21 Feb 2012 21:46:49 +0100

> [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>

Yep, this looks a lot better, once we have positive testing from
Meelis I'll apply this.

Thanks.
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