From mboxrd@z Thu Jan  1 00:00:00 1970
From: Steffen Klassert <steffen.klassert@secunet.com>
Subject: Re: IP_PKTINFO broken by acf568ee859f0 (xfrm: Reinject
 transport-mode packets through tasklet)
Date: Tue, 1 May 2018 09:51:06 +0200
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Cc: Herbert Xu <herbert@gondor.apana.org.au>,
        netdev <netdev@vger.kernel.org>
To: Maxime Bizon <mbizon@freebox.fr>
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On Fri, Apr 27, 2018 at 11:16:53PM +0200, Maxime Bizon wrote:
> 
> Hello Herbert,
> 
> That patch just went into stable 4.14 and is causing a regression on my
> setup.
> 
> Basically, IP_PKTINFO does not work anymore on transport-mode packets,
> because skb->cb is now used to store the finish callback.
> 
> Was that expected or is it an unforeseen side effect ?

This should be fixed by:

commit 9a3fb9fb84cc ("xfrm: Fix transport mode skb control buffer usage.")