netdev - Re: [ATM]: Check IP header validity in mpc_send

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Date:	Wed, 09 Jan 2008 03:52:28 -0800 (PST)
From:	David Miller <davem@...emloft.net>
To:	herbert@...dor.apana.org.au
Cc:	netdev@...r.kernel.org, viro@....linux.org.uk,
	chas@....nrl.navy.mil
Subject: Re: [ATM]: Check IP header validity in mpc_send_packet

From: Herbert Xu <herbert@...dor.apana.org.au>
Date: Wed, 9 Jan 2008 21:27:45 +1100

> [ATM]: Check IP header validity in mpc_send_packet
> 
> Al went through the ip_fast_csum callers and found this piece of code
> that did not validate the IP header.  While root crashing the machine
> by sending bogus packets through raw or AF_PACKET sockets isn't that
> serious, it is still nice to react gracefully.
> 
> This patch ensures that the skb has enough data for an IP header and
> that the header length field is valid.
> 
> Signed-off-by: Herbert Xu <herbert@...dor.apana.org.au>

Applied, thanks for following up on this.
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