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Re: skb_checksum_help

from [David Coulson] [Permanent Link][Original]
To: Thomas Graf <tgraf@xxxxxxx>
Subject: Re: skb_checksum_help
From: David Coulson <david@xxxxxxxxxxxxxxxx>
Date: Mon, 24 Jan 2005 09:51:24 -0500
Cc: "David S. Miller" <davem@xxxxxxxxxxxxx>, Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>, kaber@xxxxxxxxx, netdev@xxxxxxxxxxx
In-reply-to: <20050124121610.GP23931@postel.suug.ch>
References: <20050124005348.GL23931@postel.suug.ch> <E1Cst4o-0007bD-00@gondolin.me.apana.org.au> <20050123202715.281ac87c.davem@davemloft.net> <20050124121610.GP23931@postel.suug.ch>
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Thomas Graf wrote:
Yes, this might clear things up.

10.1.1.5 is a production NS, so there is >500kbit/sec of DNS traffic to the box. Do you want me to restrict tcpdump to the /24 we were seeing traffic from which broke the kernel, or dump everything and send the part from around when the kernel fails?

David, can you do this? and fix my patch by changing

        if (skb->h.raw < skb->data || skb->h.raw > skb->data)
into:
        if (skb->h.raw < skb->data || skb->h.raw > skb->tail)


Done

David

--
David J. Coulson
email: david@xxxxxxxxxxxxxxxx
web: http://www.davidcoulson.net/
phone: (216) 920-3100 / (216) 258-4942

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