netdev - Re: [PATCH] ipv6: tcp: fix panic in SYN processing

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Date:	Wed, 23 Nov 2011 15:49:55 -0500 (EST)
From:	David Miller <davem@...emloft.net>
To:	eric.dumazet@...il.com
Cc:	netdev@...r.kernel.org
Subject: Re: [PATCH] ipv6: tcp: fix panic in SYN processing

From: Eric Dumazet <eric.dumazet@...il.com>
Date: Wed, 23 Nov 2011 12:33:56 +0100

> commit 72a3effaf633bc ([NET]: Size listen hash tables using backlog
> hint) added a bug allowing inet6_synq_hash() to return an out of bound
> array index, because of u16 overflow.
> 
> Bug can happen if system admins set net.core.somaxconn &
> net.ipv4.tcp_max_syn_backlog sysctls to values greater than 65536
> 
> Signed-off-by: Eric Dumazet <eric.dumazet@...il.com>

Good catch, applied and queued up for -stable.

Thanks!
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