netdev - Re: [PATCH ipsec] xfrm: Prevent locally generated packets from direct output in tunnel mode

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Message-ID: <aQX9OIz9FhL3wO4f@secunet.com>
Date: Sat, 1 Nov 2025 13:29:44 +0100
From: Steffen Klassert <steffen.klassert@...unet.com>
To: Jianbo Liu <jianbol@...dia.com>
CC: <netdev@...r.kernel.org>, <davem@...emloft.net>, <kuba@...nel.org>,
	<acassen@...p.free.fr>, Leon Romanovsky <leonro@...dia.com>, Herbert Xu
	<herbert@...dor.apana.org.au>, Eric Dumazet <edumazet@...gle.com>, Paolo
 Abeni <pabeni@...hat.com>, Simon Horman <horms@...nel.org>, Leon Romanovsky
	<leon@...nel.org>
Subject: Re: [PATCH ipsec] xfrm: Prevent locally generated packets from
 direct output in tunnel mode

On Wed, Oct 29, 2025 at 11:50:25AM +0200, Jianbo Liu wrote:
> Add a check to ensure locally generated packets (skb->sk != NULL) do
> not use direct output in tunnel mode, as these packets require proper
> L2 header setup that is handled by the normal XFRM processing path.
> 
> Fixes: 5eddd76ec2fd ("xfrm: fix tunnel mode TX datapath in packet offload mode")
> Signed-off-by: Jianbo Liu <jianbol@...dia.com>
> Reviewed-by: Leon Romanovsky <leonro@...dia.com>

Also applied, thanks a  lot!