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	993	3d16h	1374d	0/26	upstream: reported C repro on 2020/07/27 17:04
upstream	INFO: task hung in switchdev_deferred_process_work net			35	1664d	2200d	0/26	closed as invalid on 2019/10/23 07:26
linux-5.15	INFO: task hung in switchdev_deferred_process_work			1	385d	385d	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	437d	1515d	0/1	upstream: reported on 2020/03/08 04:06
linux-4.14	INFO: task hung in switchdev_deferred_process_work			1	726d	726d	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	39d	111d	0/3	upstream: reported on 2024/01/11 18:09

INFO: task kworker/1:2:1804 blocked for more than 143 seconds. Not tainted 6.1.81-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:2 state:D stack:23712 pid:1804 ppid:2 flags:0x00004000 Workqueue: events switchdev_deferred_process_work Call Trace: <TASK> context_switch kernel/sched/core.c:5245 [inline] __schedule+0x142d/0x4550 kernel/sched/core.c:6558 schedule+0xbf/0x180 kernel/sched/core.c:6634 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6693 __mutex_lock_common kernel/locking/mutex.c:679 [inline] __mutex_lock+0x6b9/0xd80 kernel/locking/mutex.c:747 switchdev_deferred_process_work+0xa/0x20 net/switchdev/switchdev.c:104 process_one_work+0x8a9/0x11d0 kernel/workqueue.c:2292 worker_thread+0xa47/0x1200 kernel/workqueue.c:2439 kthread+0x28d/0x320 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:307 </TASK> INFO: task dhcpcd:3214 blocked for more than 143 seconds. Not tainted 6.1.81-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:dhcpcd state:D stack:24856 pid:3214 ppid:1 flags:0x00004002 Call Trace: <TASK> context_switch kernel/sched/core.c:5245 [inline] __schedule+0x142d/0x4550 kernel/sched/core.c:6558 schedule+0xbf/0x180 kernel/sched/core.c:6634 schedule_preempt_disa

Crashes (3):
Time	Kernel	Commit	Syzkaller	Config	Log	Report	VM info	Assets (help?)	Manager	Title
2024/03/10 04:08	linux-6.1.y	61adba85cc40	6ee49f2e	.config	console log	report	info	[disk image] [vmlinux] [kernel image]	ci2-linux-6-1-kasan	INFO: task hung in switchdev_deferred_process_work
2024/02/28 06:34	linux-6.1.y	81e1dc2f7001	d367cbe5	.config	console log	report	info	[disk image] [vmlinux] [kernel image]	ci2-linux-6-1-kasan	INFO: task hung in switchdev_deferred_process_work
2024/01/29 04:43	linux-6.1.y	883d1a956208	cc4a4020	.config	console log	report	info	[disk image] [vmlinux] [kernel image]	ci2-linux-6-1-kasan-perf	INFO: task hung in switchdev_deferred_process_work

Crashes (3):