netdev - Re: [PATCH ipsec-next 1/2] xfrm: reset transport header back to network header after all input transforms ahave been applied

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Message-ID: <20180903082008.GN23674@gauss3.secunet.de>
Date:   Mon, 3 Sep 2018 10:20:08 +0200
From:   Steffen Klassert <steffen.klassert@...unet.com>
To:     Sowmini Varadhan <sowmini.varadhan@...cle.com>
CC:     <netdev@...r.kernel.org>, <davem@...emloft.net>
Subject: Re: [PATCH ipsec-next 1/2] xfrm: reset transport header back to
 network header after all input transforms ahave been applied

On Sun, Sep 02, 2018 at 04:18:42PM -0700, Sowmini Varadhan wrote:
> A policy may have been set up with multiple transforms (e.g., ESP
> and ipcomp). In this situation, the ingress IPsec processing
> iterates in xfrm_input() and applies each transform in turn,
> processing the nexthdr to find any additional xfrm that may apply.
> 
> This patch resets the transport header back to network header
> only after the last transformation so that subsequent xfrms
> can find the correct transport header.
> 
> Suggested-by: Steffen Klassert <steffen.klassert@...unet.com>
> Signed-off-by: Sowmini Varadhan <sowmini.varadhan@...cle.com>

This patch is a fix, so please add a proper fixes tag
so that it can be backported to the stable trees.
Same applied to the other patch in this series.