From: Jori Koolstra <jkoolstra@xs4all.nl>
To: Kuniyuki Iwashima <kuniyu@google.com>
Cc: Alexander Viro <viro@zeniv.linux.org.uk>,
Christian Brauner <brauner@kernel.org>, Jan Kara <jack@suse.cz>,
Eric Dumazet <edumazet@google.com>,
Paolo Abeni <pabeni@redhat.com>,
Willem de Bruijn <willemb@google.com>,
"David S . Miller" <davem@davemloft.net>,
Jakub Kicinski <kuba@kernel.org>, Jens Axboe <axboe@kernel.dk>,
Kees Cook <kees@kernel.org>, Simon Horman <horms@kernel.org>,
Andy Lutomirski <luto@amacapital.net>,
Will Drewry <wad@chromium.org>, Jeff Layton <jlayton@kernel.org>,
Oleg Nesterov <oleg@redhat.com>, Andrei Vagin <avagin@gmail.com>,
Pavel Tikhomirov <ptikhomirov@virtuozzo.com>,
Mateusz Guzik <mjguzik@gmail.com>,
Joel Granados <joel.granados@kernel.org>,
Charlie Mirabile <cmirabil@redhat.com>,
Aleksa Sarai <cyphar@cyphar.com>,
linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org,
netdev@vger.kernel.org, io-uring@vger.kernel.org
Subject: Re: [RFC PATCH 1/2] net: af_unix: Useful handling of LSM denials on SCM_RIGHTS
Date: Mon, 4 May 2026 19:43:30 +0200 (CEST) [thread overview]
Message-ID: <1440036704.77422.1777916610532@kpc.webmail.kpnmail.nl> (raw)
In-Reply-To: <CAAVpQUDKgWdgPjPmJKhNxofssasS8-RdaLAcbFXHMWH8ztMJXA@mail.gmail.com>
> Op 02-05-2026 03:24 CEST schreef Kuniyuki Iwashima <kuniyu@google.com>:
>
> > >
> > > Does this flag need per-recvmsg() granularity ?
> > >
> >
> > Perhaps not. What would be the alternative? A fcntl option for the socket fd?
>
> I'd add a new socket option like
>
> setsockopt(SOL_SOCKET, SO_RIGHTS_TRUNC, &(int){0}, sizeof(int));
>
>
I think this is reasonable suggestion (and better than using the MSG_ flags).
Let's just let this sit for a few days to see if anyone else has suggestions/
objections.
next prev parent reply other threads:[~2026-05-04 17:43 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-04-28 17:51 [RFC PATCH 0/2] net: af_unix: Useful handling of LSM denials on SCM_RIGHTS Jori Koolstra
2026-04-28 17:51 ` [RFC PATCH 1/2] " Jori Koolstra
2026-04-30 2:04 ` Kuniyuki Iwashima
2026-05-01 15:34 ` Jori Koolstra
2026-05-02 1:24 ` Kuniyuki Iwashima
2026-05-04 17:43 ` Jori Koolstra [this message]
2026-04-28 17:51 ` [RFC PATCH 2/2] selftest: Add tests for useful " Jori Koolstra
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