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Date:	Mon, 05 Nov 2007 23:33:15 -0800 (PST)
From:	David Miller <>
Subject: Re: [PATCH 2.6.23] [PPP]: L2TP: Fix oops in transmit and receive

From: James Chapman <>
Date: Mon, 5 Nov 2007 17:17:39 GMT

> [PPP]: L2TP: Fix oops in transmit and receive paths
> Changes made on 18-sep to fix skb handling in the pppol2tp driver
> broke the transmit and receive paths. Users are only running into this
> now because distros are now using 2.6.23 and I must have messed up
> when I tested the change.
> For receive, we now do our own calculation of how much to pull from
> the skb (variable length L2TP header) rather than using
> skb_transport_offset(). Also, if the skb isn't a data packet, it must
> be passed back to UDP with skb->data pointing to the UDP header.
> For transmit, make sure skb->sk is set up because ip_queue_xmit()
> needs it.
> Signed-off-by: James Chapman <>

Applied, thanks James.

I'll queue this up for -stable too.
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