From: sashiko-bot@kernel.org
Cc: audit@vger.kernel.org
Subject: Re: [PATCH v2] audit: annotate the lockless read of the audit control lock owner
Date: Thu, 08 Oct 2026 03:48:13 +0000 [thread overview]
Message-ID: <sashiko-outbox-163582@kernel.org> (raw)
In-Reply-To: <20261008034403.7-1-bbnpreetsingh@gmail.com>
> audit_ctl_owner_current() reads the lock owner without taking the lock
> and KCSAN complains about it. Only the current task can store itself as
> owner, so the check can't give a wrong answer. Mark the accesses with
> READ_ONCE() and WRITE_ONCE().
>
> Reported-by: syzbot+39b8fea0641107a1ccee@syzkaller.appspotmail.com
> Closes: https://syzkaller.appspot.com/bug?extid=39b8fea0641107a1ccee
> Assisted-by: Claude:claude-opus-5-5
> Signed-off-by: Babanpreet Singh <bbnpreetsingh@gmail.com>
Sashiko has reviewed this patch and found no issues. It looks great!
--
Sashiko AI review · https://sashiko.dev/#/patchset/20261008034403.7-1-bbnpreetsingh@gmail.com?part=1
next prev parent reply other threads:[~2026-10-08 3:48 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-10-08 3:44 [PATCH v2] audit: annotate the lockless read of the audit control lock owner Babanpreet Singh
2026-10-08 3:48 ` sashiko-bot [this message]
2026-10-08 15:03 ` Bradley Morgan
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