netdev - Re: [PATCH] udp: Fix potential wrong ip

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Message-Id: <20090206.015935.60090330.davem@davemloft.net>
Date:	Fri, 06 Feb 2009 01:59:35 -0800 (PST)
From:	David Miller <davem@...emloft.net>
To:	jdb@...x.dk
Cc:	netdev@...r.kernel.org
Subject: Re: [PATCH] udp: Fix potential wrong ip_hdr(skb) pointers

From: Jesper Dangaard Brouer <jdb@...x.dk>
Date: Fri, 06 Feb 2009 10:55:58 +0100

> On Fri, 2009-02-06 at 01:08 -0800, David Miller wrote:
> > Please respin this patch of your's with proper commit message
> > and signoffs, thanks!
> 
> Like the UDP header fix, pskb_may_pull() can potentially
> alter the SKB buffer.  Thus the saddr and daddr, pointers
> may point to the old skb->data buffer.
> 
> I haven't seen corruptions, as its only seen if the old
> skb->data buffer were reallocated by another user and
> written into very quickly (or poison'd by SLAB debugging).
> 
> Signed-off-by: Jesper Dangaard Brouer <hawk@...x.dk>

Applied, thanks!
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