netdev - Re: gro: Fix frag_list merging on imprecisely split packets

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Message-Id: <20090205.212708.166167413.davem@davemloft.net>
Date:	Thu, 05 Feb 2009 21:27:08 -0800 (PST)
From:	David Miller <davem@...emloft.net>
To:	herbert@...dor.apana.org.au
Cc:	netdev@...r.kernel.org, jeffrey.t.kirsher@...el.com,
	emil.s.tantilov@...el.com
Subject: Re: gro: Fix frag_list merging on imprecisely split packets

From: Herbert Xu <herbert@...dor.apana.org.au>
Date: Fri, 6 Feb 2009 14:57:28 +1100

> gro: Fix frag_list merging on imprecisely split packets
> 
> The previous fix ad0f9904444de1309dedd2b9e365cae8af77d9b1 (gro:
> Fix handling of imprecisely split packets) only fixed the case
> of frags merging, frag_list merging in the same circumstances
> were still broken.
> 
> In particular, the packet headers end up in the data stream.
> 
> This patch fixes this plus another issue where an imprecisely
> split packet header may be read incorrectly (this is mostly
> harmless since it'll simply cause the packet to not match and
> be rejected for GRO).
> 
> Thanks to Emil Tantilov and Jeff Kirsher for helping to track
> this down.
> 
> Signed-off-by: Herbert Xu <herbert@...dor.apana.org.au>

Applied, thanks a lot for tracking this down.
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