From: Eric Biggers <ebiggers@kernel.org>
To: Christian Brauner <brauner@kernel.org>
Cc: linux-fsdevel@vger.kernel.org, Jeff Layton <jlayton@kernel.org>,
Josef Bacik <josef@toxicpanda.com>, Jan Kara <jack@suse.cz>,
Amir Goldstein <amir73il@gmail.com>
Subject: Re: [PATCH] pidfs: simplify PIDFD_GET_<type>_NAMESPACE ioctls
Date: Mon, 22 Dec 2025 13:49:07 -0800 [thread overview]
Message-ID: <20251222214907.GA189632@quark> (raw)
In-Reply-To: <20251117-eidesstattlich-apotheke-36d2e644079f@brauner>
On Mon, Nov 17, 2025 at 01:36:13PM +0100, Christian Brauner wrote:
> We have reworked namespaces sufficiently that all this special-casing
> shouldn't be needed anymore
>
> Signed-off-by: Christian Brauner <brauner@kernel.org>
This causes a NULL dereference in nsfs_evict() when CONFIG_NET_NS=n.
Nothing special needed besides that: it happens just when booting the
system, using systemd.
Reverting this commit on mainline fixes the bug.
- Eric
next prev parent reply other threads:[~2025-12-22 21:49 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-11-17 12:36 [PATCH] pidfs: simplify PIDFD_GET_<type>_NAMESPACE ioctls Christian Brauner
2025-12-22 21:49 ` Eric Biggers [this message]
2025-12-24 12:00 ` [PATCH] pidfs: protect PIDFD_GET_* ioctls() via ifdef Christian Brauner
2025-12-28 21:01 ` Eric Biggers
2026-01-06 15:18 ` Brendan Jackman
2026-02-23 15:50 ` [PATCH] pidfs: simplify PIDFD_GET_<type>_NAMESPACE ioctls David Lechner
2026-02-24 11:08 ` Christian Brauner
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