INFO: task hung in switchdev_deferred_process

Kernel	Title	Repro	Cause bisect	Count	Last	Reported	Patched	Status
upstream	INFO: task hung in switchdev_deferred_process_work (2) net	C	inconclusive	1190	2h04m	1423d	0/27	upstream: reported C repro on 2020/07/27 17:04
upstream	INFO: task hung in switchdev_deferred_process_work net			35	1713d	2249d	0/27	closed as invalid on 2019/10/23 07:26
linux-5.15	INFO: task hung in switchdev_deferred_process_work			1	434d	434d	0/3	auto-obsoleted due to no activity on 2023/08/10 05:46
linux-4.19	INFO: task hung in switchdev_deferred_process_work			95	486d	1564d	0/1	upstream: reported on 2020/03/08 04:06
linux-4.14	INFO: task hung in switchdev_deferred_process_work			1	775d	775d	0/1	auto-obsoleted due to no activity on 2022/09/03 16:45
linux-5.15	INFO: task hung in switchdev_deferred_process_work (2)			36	88d	160d	0/3	auto-obsoleted due to no activity on 2024/06/01 16:21
linux-6.1	INFO: task hung in switchdev_deferred_process_work			7	7d19h	142d	0/3	upstream: reported on 2024/01/29 04:44

INFO: task kworker/1:12:3709 blocked for more than 143 seconds. Not tainted 5.15.160-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:12 state:D stack:24504 pid: 3709 ppid: 2 flags:0x00004000 Workqueue: events switchdev_deferred_process_work Call Trace: <TASK> context_switch kernel/sched/core.c:5030 [inline] __schedule+0x12c4/0x45b0 kernel/sched/core.c:6376 schedule+0x11b/0x1f0 kernel/sched/core.c:6459 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6518 __mutex_lock_common+0xe34/0x25a0 kernel/locking/mutex.c:669 __mutex_lock kernel/locking/mutex.c:729 [inline] mutex_lock_nested+0x17/0x20 kernel/locking/mutex.c:743 switchdev_deferred_process_work+0xa/0x20 net/switchdev/switchdev.c:74 process_one_work+0x8a1/0x10c0 kernel/workqueue.c:2310 worker_thread+0xaca/0x1280 kernel/workqueue.c:2457 kthread+0x3f6/0x4f0 kernel/kthread.c:334 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:300 </TASK> INFO: task kworker/0:12:3728 blocked for more than 143 seconds.

Crashes (1):
Time	Kernel	Commit	Syzkaller	Config	Log	Report	Syz repro	C repro	VM info	Assets (help?)	Manager	Title
2024/06/04 13:11	linux-5.15.y	c61bd26ae81a	11f2afa5	.config	console log	report			info	[disk image] [vmlinux] [kernel image]	ci2-linux-5-15-kasan	INFO: task hung in switchdev_deferred_process_work

Crashes (1):