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Date: Fri, 5 Dec 2025 14:00:42 +0000
From: Simon Horman <horms@kernel.org>
To: Steffen Klassert <steffen.klassert@secunet.com>
Cc: Antony Antony <antony.antony@secunet.com>,
	Herbert Xu <herbert@gondor.apana.org.au>, netdev@vger.kernel.org,
	"David S. Miller" <davem@davemloft.net>,
	Eric Dumazet <edumazet@google.com>,
	Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>
Subject: Re: [PATCH ipsec] xfrm: set ipv4 no_pmtu_disc flag only on output sa
 when direction is set
Message-ID: <aTLlin9RN1N-oeMc@horms.kernel.org>
References: <17a716f13124491528d5ee4ff15019f785755d50.1764249526.git.antony.antony@secunet.com>
 <aTJ5UrS_3xPrbtSm@secunet.com>
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In-Reply-To: <aTJ5UrS_3xPrbtSm@secunet.com>

On Fri, Dec 05, 2025 at 07:18:58AM +0100, Steffen Klassert wrote:
> On Thu, Nov 27, 2025 at 03:05:55PM +0100, Antony Antony wrote:
> > The XFRM_STATE_NOPMTUDISC flag is only meaningful for output SAs, but
> > it was being applied regardless of the SA direction when the sysctl
> > ip_no_pmtu_disc is enabled. This can unintentionally affect input SAs.
> > 
> > Limit setting XFRM_STATE_NOPMTUDISC to output SAs when the SA direction
> > is configured.
> > 
> > Reported-by: https://github.com/roth-m
> 
> This tag does not make much sense IMO. We neither have a
> real name nor an email address to contact.

FWIIW, I noticed that too.
And if that is all the information available
then I'd suggest dropping the tag.