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From: Pablo Neira Ayuso <pablo@netfilter.org>
To: Florian Westphal <fw@strlen.de>
Cc: netfilter-devel@vger.kernel.org
Subject: Re: [PATCH] netfilter: fix out-of-bounds access in nat addr selection
Date: Mon, 10 Sep 2012 11:14:57 +0200	[thread overview]
Message-ID: <20120910091457.GA5484@1984> (raw)
In-Reply-To: <1346875828-14054-1-git-send-email-fw@strlen.de>

On Wed, Sep 05, 2012 at 10:10:28PM +0200, Florian Westphal wrote:
> include/linux/jhash.h:138:16: warning: array subscript is above array bounds
> [jhash2() expects the number of u32 in the key]

Applied to -next, thanks Florian.

> Signed-off-by: Florian Westphal <fw@strlen.de>
> ---
> Only affects -next.
> note that I also get same warning for hash_by_src(); but
> hash = jhash2((u32 *)&tuple->src, sizeof(tuple->src) / sizeof(u32),
> 	      tuple->dst.protonum ^ zone ^ nf_conntrack_hash_rnd);
> looks correct to me.

It also seems correct to me, that tuple->src is 5*4 bytes long.

I'm not hitting any warning with gcc-4.7 though.

      reply	other threads:[~2012-09-10  9:15 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-09-05 20:10 [PATCH] netfilter: fix out-of-bounds access in nat addr selection Florian Westphal
2012-09-10  9:14 ` Pablo Neira Ayuso [this message]

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