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Hallyn" , 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 Message-ID: References: <69984159.050a0220.21cd75.01bb.GAE@google.com> Precedence: bulk X-Mailing-List: linux-security-module@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: 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: > > > > 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