From: David Gow <david@davidgow.net>
To: Christian Brauner <brauner@kernel.org>,
linux-kernel@vger.kernel.org, linux-modules@vger.kernel.org,
linux-nfs@vger.kernel.org, bpf@vger.kernel.org,
linux-kselftest@vger.kernel.org, kunit-dev@googlegroups.com
Cc: Luis Chamberlain <mcgrof@kernel.org>,
Petr Pavlu <petr.pavlu@suse.com>,
Daniel Gomez <da.gomez@kernel.org>,
Sami Tolvanen <samitolvanen@google.com>,
Aaron Tomlin <atomlin@atomlin.com>,
Chuck Lever <chuck.lever@oracle.com>,
Jeff Layton <jlayton@kernel.org>, NeilBrown <neil@brown.name>,
Olga Kornievskaia <okorniev@redhat.com>,
Dai Ngo <Dai.Ngo@oracle.com>, Tom Talpey <tom@talpey.com>,
Trond Myklebust <trondmy@kernel.org>,
Anna Schumaker <anna@kernel.org>,
Alexei Starovoitov <ast@kernel.org>,
Daniel Borkmann <daniel@iogearbox.net>,
John Fastabend <john.fastabend@gmail.com>,
Andrii Nakryiko <andrii@kernel.org>,
Martin KaFai Lau <martin.lau@linux.dev>,
Eduard Zingerman <eddyz87@gmail.com>, Song Liu <song@kernel.org>,
Yonghong Song <yonghong.song@linux.dev>,
KP Singh <kpsingh@kernel.org>,
Stanislav Fomichev <sdf@fomichev.me>, Hao Luo <haoluo@google.com>,
Jiri Olsa <jolsa@kernel.org>,
Brendan Higgins <brendan.higgins@linux.dev>,
David Gow <david@davidgow.net>, Rae Moar <raemoar63@gmail.com>,
Christian Loehle <christian.loehle@arm.com>,
Linus Torvalds <torvalds@linux-foundation.org>
Subject: Re: [PATCH] kthread: remove kthread_exit()
Date: Sun, 8 Mar 2026 16:41:32 +0800 [thread overview]
Message-ID: <61367c90-a2c0-4525-975a-fecbc9cb2bdf@davidgow.net> (raw)
In-Reply-To: <20260306-work-kernel-exit-v1-1-8f871f6281cb@kernel.org>
Le 06/03/2026 à 10:07 PM, 'Christian Brauner' via KUnit Development a
écrit :
> In 28aaa9c39945 ("kthread: consolidate kthread exit paths to prevent use-after-free")
> we folded kthread_exit() into do_exit() when we fixed a nasty UAF bug.
> We left kthread_exit() around as an alias to do_exit(). Remove it
> completely.
>
> Reported-by: Christian Loehle <christian.loehle@arm.com>
> Link: https://lore.kernel.org/1ff1bce2-8bb4-463c-a631-16e14f4ea7e2@arm.com
> Signed-off-by: Christian Brauner <brauner@kernel.org>
> ---
The KUnit bits of this look fine, and it all works for me.
(That being said, I agree that do_exit() isn't as nice a name.)
Acked-by: David Gow <david@davidgow.net>
Tested-by: David Gow <david@davidgow.net>
Cheers,
-- David
prev parent reply other threads:[~2026-03-08 8:41 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <1ff1bce2-8bb4-463c-a631-16e14f4ea7e2@arm.com>
2026-03-06 14:07 ` Christian Brauner
2026-03-06 14:44 ` Christoph Hellwig
2026-03-06 18:27 ` Linus Torvalds
2026-03-09 9:36 ` Christian Brauner
2026-03-09 15:43 ` Christoph Hellwig
2026-03-09 16:37 ` Linus Torvalds
2026-03-09 17:27 ` Linus Torvalds
2026-03-10 13:11 ` Christoph Hellwig
2026-03-08 8:41 ` David Gow [this message]
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