From: "Günther Noack" <gnoack@google.com>
To: Frederic Weisbecker <frederic@kernel.org>
Cc: syzbot <syzbot+7ea2f5e9dfd468201817@syzkaller.appspotmail.com>,
"Mickaël Salaün" <mic@digikod.net>,
"Paul Moore" <paul@paul-moore.com>,
"James Morris" <jmorris@namei.org>,
"Serge E. Hallyn" <serge@hallyn.com>,
linux-security-module@vger.kernel.org, anna-maria@linutronix.de,
linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com,
tglx@kernel.org
Subject: Re: [syzbot] [kernel?] INFO: task hung in restrict_one_thread_callback
Date: Mon, 23 Feb 2026 16:15:02 +0100 [thread overview]
Message-ID: <aZxu9knL8UB0DA4u@google.com> (raw)
In-Reply-To: <aZxYv7MxxExj9fjM@localhost.localdomain>
On Mon, Feb 23, 2026 at 02:40:15PM +0100, Frederic Weisbecker wrote:
> Le Fri, Feb 20, 2026 at 03:11:21AM -0800, syzbot a écrit :
> > Call Trace:
> > <TASK>
> > context_switch kernel/sched/core.c:5295 [inline]
> > __schedule+0x1585/0x5340 kernel/sched/core.c:6907
> > __schedule_loop kernel/sched/core.c:6989 [inline]
> > schedule+0x164/0x360 kernel/sched/core.c:7004
> > schedule_timeout+0xc3/0x2c0 kernel/time/sleep_timeout.c:75
> > do_wait_for_common kernel/sched/completion.c:100 [inline]
> > __wait_for_common kernel/sched/completion.c:121 [inline]
> > wait_for_common kernel/sched/completion.c:132 [inline]
> > wait_for_completion+0x2cc/0x5e0 kernel/sched/completion.c:153
> > restrict_one_thread security/landlock/tsync.c:128 [inline]
> > restrict_one_thread_callback+0x320/0x570 security/landlock/tsync.c:162
>
> Seems to be related to landlock security module.
> Cc'ing maintainers for awareness.
Thank you! That is correct. We are already discussing it in
https://lore.kernel.org/all/00A9E53EDC82309F+7b1dfc69-95f8-4ffc-a67c-967de0e2dfee@uniontech.com/
—Günther
next prev parent reply other threads:[~2026-02-23 15:15 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-02-20 11:11 [syzbot] [kernel?] INFO: task hung in restrict_one_thread_callback syzbot
2026-02-21 6:27 ` Forwarded: " syzbot
2026-02-23 13:40 ` Frederic Weisbecker
2026-02-23 15:15 ` Günther Noack [this message]
2026-02-24 0:10 ` Hillf Danton
2026-02-24 3:05 ` syzbot
2026-02-24 10:00 ` Günther Noack
2026-02-24 3:17 ` Forwarded: " syzbot
2026-02-24 4:25 ` syzbot
2026-02-24 14:43 ` syzbot
2026-02-25 5:10 ` Hillf Danton
2026-02-25 5:48 ` [syzbot] [lsm] [kernel] " syzbot
2026-02-25 10:22 ` [syzbot] [kernel?] " Hillf Danton
2026-02-25 10:51 ` [syzbot] [lsm] [kernel] " syzbot
2026-02-25 12:21 ` [syzbot] [kernel?] " Hillf Danton
2026-02-25 14:15 ` [syzbot] [lsm] [kernel] " syzbot
2026-02-25 22:32 ` [syzbot] [kernel?] " Hillf Danton
2026-02-26 0:13 ` [syzbot] [lsm] [kernel] " syzbot
2026-02-26 2:19 ` [syzbot] [kernel?] " Hillf Danton
2026-02-26 2:44 ` [syzbot] [lsm] [kernel] " syzbot
2026-02-26 10:04 ` [syzbot] [kernel?] " Hillf Danton
2026-02-26 10:50 ` [syzbot] [lsm] [kernel] " syzbot
2026-02-27 0:03 ` [syzbot] [kernel?] " Hillf Danton
2026-02-27 1:49 ` [syzbot] [lsm] [kernel] " syzbot
[not found] <F1E9B1BEBD8867CA+092eea18-94c7-4c65-a466-95cd3628a88c@uniontech.com>
2026-02-21 7:11 ` [syzbot] [kernel?] " syzbot
2026-02-21 7:28 ` Ding Yihan
2026-02-21 12:00 ` Günther Noack
2026-02-21 13:19 ` Günther Noack
2026-02-23 9:42 ` Günther Noack
2026-02-23 11:29 ` Ding Yihan
2026-02-23 15:16 ` Günther Noack
2026-02-24 3:02 ` Ding Yihan
2026-02-24 3:03 ` syzbot
2026-02-24 14:43 ` Günther Noack
[not found] <F4E5EFD28BFB7AA6+108340fb-0592-4dd0-9f93-b7a2b760dc5d@uniontech.com>
2026-02-24 4:08 ` syzbot
[not found] <7F45E41D790CD8A4+f1dcffc7-5b69-432f-8ad7-e96a3ef66219@uniontech.com>
2026-02-24 5:07 ` syzbot
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