From: Jori Koolstra <jkoolstra@xs4all.nl>
To: Christian Brauner <brauner@kernel.org>
Cc: Jakub Kicinski <kuba@kernel.org>,
Aleksa Sarai <cyphar@cyphar.com>,
Kuniyuki Iwashima <kuniyu@google.com>,
"David S . Miller" <davem@davemloft.net>,
Eric Dumazet <edumazet@google.com>,
Paolo Abeni <pabeni@redhat.com>, Simon Horman <horms@kernel.org>,
netdev@vger.kernel.org, linux-fsdevel@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH net-next v3 5/5] selftest: Add tests for useful handling of LSM denials on SCM_RIGHTS
Date: Wed, 1 Jul 2026 11:31:10 +0200 (CEST) [thread overview]
Message-ID: <66991303.3605710.1782898270313@kpc.webmail.kpnmail.nl> (raw)
In-Reply-To: <20260701-malen-gutmachen-stengel-2c70ad5d2971@brauner>
> Op 01-07-2026 09:38 CEST schreef Christian Brauner <brauner@kernel.org>:
>
> >
> > I just need some LSM to trigger the reject of security_file_receive()
> > and Smack was the easiest to get going. The series is totally agnostic
> > to the used LSM. I am fine with moving the tests elsewhere or porting
> > them to SELinux if that is really necessary. We could also drop them
> > altogether.
> >
> > What do you propose?
>
> I'm pretty sure the easiest will be to use a tiny bpf program to reject
> security_file_receive().
Ah. Well, that's a testament to how much there's still to learn for me.
I didn't even know that bpf could hook into LSM calls :)
prev parent reply other threads:[~2026-07-01 9:31 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-06-29 19:43 [PATCH net-next v3 0/5] af_unix: useful handling of LSM denials on SCM_RIGHTS Jori Koolstra
2026-06-29 19:43 ` [PATCH net-next v3 1/5] net: scm: move scm_detach_fds() from common path to scm_recv_unix() Jori Koolstra
2026-06-29 19:43 ` [PATCH net-next v3 2/5] vfs: add function receive_fd_filtered() that makes LSM filtering explicit Jori Koolstra
2026-06-29 19:43 ` [PATCH net-next v3 3/5] net: af_unix: useful handling of LSM denials on SCM_RIGHTS Jori Koolstra
2026-06-30 9:58 ` Christian Brauner
2026-06-30 12:17 ` Jori Koolstra
2026-07-01 7:44 ` Christian Brauner
2026-06-30 16:43 ` Kuniyuki Iwashima
2026-06-29 19:43 ` [PATCH net-next v3 4/5] net: af_unix: replace copy_from_sockptr() with copy_safe_from_sockptr() Jori Koolstra
2026-06-30 16:18 ` Kuniyuki Iwashima
2026-06-29 19:43 ` [PATCH net-next v3 5/5] selftest: Add tests for useful handling of LSM denials on SCM_RIGHTS Jori Koolstra
2026-06-30 14:17 ` Jakub Kicinski
2026-06-30 14:35 ` Jori Koolstra
2026-06-30 16:23 ` Kuniyuki Iwashima
2026-07-01 7:38 ` Christian Brauner
2026-07-01 9:31 ` Jori Koolstra [this message]
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