From: sashiko-bot@kernel.org
Cc: linux-security-module@vger.kernel.org
Subject: Re: [PATCH v4 1/7] landlock: Add UDP bind() access control
Date: Fri, 30 Oct 2026 04:53:45 +0000 [thread overview]
Message-ID: <sashiko-outbox-190349@kernel.org> (raw)
In-Reply-To: <20260502124306.3975990-2-matthieu@buffet.re>
> Add support for a first fine-grained UDP access right.
> LANDLOCK_ACCESS_NET_BIND_UDP controls the ability to set the local port
> of a UDP socket (via bind()). It will be useful for servers (to start
> receiving datagrams), and for some clients that need to use a specific
> source port (e.g. mDNS requires to use port 5353)
>
> For obvious performance concerns, access control is only enforced when
> configuring sockets, not when using them for common send/recv
> operations.
>
> Bump ABI to allow userspace to detect and use this new right.
>
> Signed-off-by: Matthieu Buffet <matthieu@buffet.re>
Sashiko has reviewed this patch and found no issues.
--
Sashiko AI review · https://sashiko.dev/#/patchset/20260502124306.3975990-1-matthieu@buffet.re?part=1
next prev parent reply other threads:[~2026-10-30 4:53 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-05-02 12:42 [PATCH v4 0/7] landlock: Add UDP access control support Matthieu Buffet
2026-05-02 12:43 ` [PATCH v4 1/7] landlock: Add UDP bind() access control Matthieu Buffet
2026-10-30 4:53 ` sashiko-bot [this message]
2026-05-02 12:43 ` [PATCH v4 2/7] landlock: Add UDP connect() " Matthieu Buffet
2026-05-22 21:10 ` Mickaël Salaün
2026-06-06 17:11 ` Matthieu Buffet
2026-06-09 21:15 ` [PATCH 1/2] landlock: Fix unmarked concurrent access to socket family Matthieu Buffet
2026-06-09 21:15 ` [PATCH 2/2] landlock: replace __sk_common struct sock field accesses Matthieu Buffet
2026-06-10 13:41 ` Mickaël Salaün
2026-06-10 13:48 ` Mickaël Salaün
2026-05-22 21:18 ` [PATCH v4 2/7] landlock: Add UDP connect() access control Mickaël Salaün
2026-06-06 17:04 ` Matthieu Buffet
2026-10-30 4:53 ` sashiko-bot
2026-05-02 12:43 ` [PATCH v4 3/7] landlock: Add UDP send " Matthieu Buffet
2026-05-22 21:10 ` Mickaël Salaün
2026-10-30 4:53 ` sashiko-bot
2026-05-02 12:43 ` [PATCH v4 4/7] selftests/landlock: Add UDP bind/connect tests Matthieu Buffet
2026-10-30 4:53 ` sashiko-bot
2026-05-02 12:43 ` [PATCH v4 5/7] selftests/landlock: Add tests for sendmsg() Matthieu Buffet
2026-10-30 4:53 ` sashiko-bot
2026-05-02 12:43 ` [PATCH v4 6/7] samples/landlock: Add sandboxer UDP access control Matthieu Buffet
2026-05-02 12:43 ` [PATCH v4 7/7] landlock: Add documentation for UDP support Matthieu Buffet
2026-05-22 21:11 ` Mickaël Salaün
2026-05-06 15:33 ` [PATCH v4 0/7] landlock: Add UDP access control support Günther Noack
2026-05-07 22:11 ` Matthieu Buffet
2026-05-22 21:08 ` Mickaël Salaün
2026-06-06 17:01 ` Matthieu Buffet
2026-06-10 13:44 ` Mickaël Salaün
2026-05-25 20:28 ` Mickaël Salaün
2026-06-11 0:27 ` Matthieu Buffet
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