netdev - Re: [PATCH ipsec-next v2] xfrm: fix bug with DSCP copy to v6 from v4 tunnel

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Message-ID: <Y9R9goAfEJ6ck+Z9@gondor.apana.org.au>
Date:   Sat, 28 Jan 2023 09:42:26 +0800
From:   Herbert Xu <herbert@...dor.apana.org.au>
To:     Christian Hopps <chopps@...pps.org>
Cc:     Steffen Klassert <steffen.klassert@...unet.com>,
        "David S. Miller" <davem@...emloft.net>, devel@...ux-ipsec.org,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>, netdev@...r.kernel.org,
        chopps@...n.net
Subject: Re: [PATCH ipsec-next v2] xfrm: fix bug with DSCP copy to v6 from v4
 tunnel

On Thu, Jan 26, 2023 at 11:33:50AM -0500, Christian Hopps wrote:
> When copying the DSCP bits for decap-dscp into IPv6 don't assume the
> outer encap is always IPv6. Instead, as with the inner IPv4 case, copy
> the DSCP bits from the correctly saved "tos" value in the control block.
> 
> Fixes: 227620e29509 ("[IPSEC]: Separate inner/outer mode processing on input")
> 
> Signed-off-by: Christian Hopps <chopps@...pps.org>
> ---
>  net/xfrm/xfrm_input.c | 3 +--
>  1 file changed, 1 insertion(+), 2 deletions(-)

Acked-by: Herbert Xu <herbert@...dor.apana.org.au>
-- 
Email: Herbert Xu <herbert@...dor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt