INFO: task kworker/1:1:41 blocked for more than 143 seconds.
      Not tainted 6.11.0-rc7-syzkaller-00152-g68d4209158f4 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:1     state:R
  running task    
 stack:24096 pid:41    tgid:41    ppid:2      flags:0x00004000
Workqueue: usb_hub_wq hub_event

Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5188 [inline]
 __schedule+0xcda/0x2f80 kernel/sched/core.c:6529
 __schedule_loop kernel/sched/core.c:6606 [inline]
 schedule+0xe7/0x350 kernel/sched/core.c:6621
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6678
 rwsem_down_write_slowpath+0x539/0x12a0 kernel/locking/rwsem.c:1178
 __down_write_common kernel/locking/rwsem.c:1306 [inline]
 __down_write kernel/locking/rwsem.c:1315 [inline]
 down_write+0x1d8/0x200 kernel/locking/rwsem.c:1580
 kernfs_add_one+0xb1/0x520 fs/kernfs/dir.c:778
 __kernfs_create_file+0x295/0x350 fs/kernfs/file.c:1063
 sysfs_add_file_mode_ns+0x1ff/0x3b0 fs/sysfs/file.c:307
 create_files fs/sysfs/group.c:76 [inline]
 internal_create_group+0x565/0xe50 fs/sysfs/group.c:180
 internal_create_groups+0x9d/0x150 fs/sysfs/group.c:220
 device_add_groups drivers/base/core.c:2829 [inline]
 device_add_attrs drivers/base/core.c:2899 [inline]
 device_add+0x733/0x1a70 drivers/base/core.c:3636
 input_register_device+0x7f3/0x1140 drivers/input/input.c:2456
 rc_setup_rx_device drivers/media/rc/rc-main.c:1853 [inline]
 rc_register_device+0x1112/0x1bd0 drivers/media/rc/rc-main.c:1956
 imon_init_rdev drivers/media/rc/imon.c:2005 [inline]
 imon_init_intf0 drivers/media/rc/imon.c:2277 [inline]
 imon_probe+0x1cd7/0x3a20 drivers/media/rc/imon.c:2434
 usb_probe_interface+0x309/0x9d0 drivers/usb/core/driver.c:399
 call_driver_probe drivers/base/dd.c:578 [inline]
 really_probe+0x23e/0xa90 drivers/base/dd.c:657
 __driver_probe_device+0x1de/0x440 drivers/base/dd.c:799
 driver_probe_device+0x4c/0x1b0 drivers/base/dd.c:829
 __device_attach_driver+0x1df/0x310 drivers/base/dd.c:957
 bus_for_each_drv+0x157/0x1e0 drivers/base/bus.c:457
 __device_attach+0x1e8/0x4b0 drivers/base/dd.c:1029
 bus_probe_device+0x17f/0x1c0 drivers/base/bus.c:532
 device_add+0x114b/0x1a70 drivers/base/core.c:3682
 usb_set_configuration+0x10cb/0x1c50 drivers/usb/core/message.c:2210
 usb_generic_driver_probe+0xb1/0x110 drivers/usb/core/generic.c:254
 usb_probe_device+0xec/0x3e0 drivers/usb/core/driver.c:294
 call_driver_probe drivers/base/dd.c:578 [inline]
 really_probe+0x23e/0xa90 drivers/base/dd.c:657
 __driver_probe_device+0x1de/0x440 drivers/base/dd.c:799
 driver_probe_device+0x4c/0x1b0 drivers/base/dd.c:829
 __device_attach_driver+0x1df/0x310 drivers/base/dd.c:957
 bus_for_each_drv+0x157/0x1e0 drivers/base/bus.c:457
 __device_attach+0x1e8/0x4b0 drivers/base/dd.c:1029
 bus_probe_device+0x17f/0x1c0 drivers/base/bus.c:532
 device_add+0x114b/0x1a70 drivers/base/core.c:3682
 usb_new_device+0xd90/0x1a10 drivers/usb/core/hub.c:2651
 hub_port_connect drivers/usb/core/hub.c:5521 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5661 [inline]
 port_event drivers/usb/core/hub.c:5821 [inline]
 hub_event+0x2e58/0x4f40 drivers/usb/core/hub.c:5903
 process_one_work+0x9c5/0x1b40 kernel/workqueue.c:3231
 process_scheduled_works kernel/workqueue.c:3312 [inline]
 worker_thread+0x6c8/0xed0 kernel/workqueue.c:3389
 kthread+0x2c1/0x3a0 kernel/kthread.c:389
 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>
INFO: task kworker/1:2:804 blocked for more than 145 seconds.
      Not tainted 6.11.0-rc7-syzkaller-00152-g68d4209158f4 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:2     state:D
 stack:23216 pid:804   tgid:804   ppid:2      flags:0x00004000
Workqueue: usb_hub_wq hub_event

Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5188 [inline]
 __schedule+0xcda/0x2f80 kernel/sched/core.c:6529
 __schedule_loop kernel/sched/core.c:6606 [inline]
 schedule+0xe7/0x350 kernel/sched/core.c:6621
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6678
 rwsem_down_write_slowpath+0x539/0x12a0 kernel/locking/rwsem.c:1178
 __down_write_common kernel/locking/rwsem.c:1306 [inline]
 __down_write kernel/locking/rwsem.c:1315 [inline]
 down_write+0x1d8/0x200 kernel/locking/rwsem.c:1580
 kernfs_remove_by_name_ns+0x87/0x130 fs/kernfs/dir.c:1689
 kernfs_remove_by_name include/linux/kernfs.h:625 [inline]
 sysfs_unmerge_group+0xe7/0x170 fs/sysfs/group.c:399
 rpm_sysfs_remove drivers/base/power/sysfs.c:826 [inline]
 dpm_sysfs_remove+0x7f/0xb0 drivers/base/power/sysfs.c:835
 device_del+0x1a1/0x9f0 drivers/base/core.c:3846
 cdev_device_del+0x1d/0x110 fs/char_dev.c:580
 evdev_disconnect+0x40/0xb0 drivers/input/evdev.c:1397
 __input_unregister_device+0x1d5/0x450 drivers/input/input.c:2278
 input_unregister_device+0xb9/0x100 drivers/input/input.c:2514
 imon_disconnect+0x218/0x650 drivers/media/rc/imon.c:2524
 usb_unbind_interface+0x1e8/0x970 drivers/usb/core/driver.c:461
 device_remove drivers/base/dd.c:568 [inline]
 device_remove+0x122/0x170 drivers/base/dd.c:560
 __device_release_driver drivers/base/dd.c:1272 [inline]
 device_release_driver_internal+0x44a/0x610 drivers/base/dd.c:1295
 bus_remove_device+0x22f/0x420 drivers/base/bus.c:574
 device_del+0x396/0x9f0 drivers/base/core.c:3871
 usb_disable_device+0x36c/0x7f0 drivers/usb/core/message.c:1418
 usb_disconnect+0x2e1/0x920 drivers/usb/core/hub.c:2304
 hub_port_connect drivers/usb/core/hub.c:5361 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5661 [inline]
 port_event drivers/usb/core/hub.c:5821 [inline]
 hub_event+0x1bed/0x4f40 drivers/usb/core/hub.c:5903
 process_one_work+0x9c5/0x1b40 kernel/workqueue.c:3231
 process_scheduled_works kernel/workqueue.c:3312 [inline]
 worker_thread+0x6c8/0xed0 kernel/workqueue.c:3389
 kthread+0x2c1/0x3a0 kernel/kthread.c:389
 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>

Showing all locks held in the system:
4 locks held by ksoftirqd/0/15:
1 lock held by khungtaskd/30:
 #0: 
ffffffff88ebb660
 (
rcu_read_lock
){....}-{1:2}
, at: rcu_lock_acquire include/linux/rcupdate.h:326 [inline]
, at: rcu_read_lock include/linux/rcupdate.h:838 [inline]
, at: debug_show_all_locks+0x75/0x340 kernel/locking/lockdep.c:6626
2 locks held by kworker/u8:2/36:
 #0: 
ffff888100089148
 (
(wq_completion)events_unbound
){+.+.}-{0:0}
, at: process_one_work+0x1277/0x1b40 kernel/workqueue.c:3206
 #1: 
ffffc90000267d80
 (
connector_reaper_work
){+.+.}-{0:0}
, at: process_one_work+0x921/0x1b40 kernel/workqueue.c:3207
7 locks held by kworker/1:1/41:
 #0: 
ffff888105e8ad48
 (
(wq_completion)usb_hub_wq
){+.+.}-{0:0}
, at: process_one_work+0x1277/0x1b40 kernel/workqueue.c:3206
 #1: 
ffffc900002b7d80
 (
(work_completion)(&hub->events)
){+.+.}-{0:0}
, at: process_one_work+0x921/0x1b40 kernel/workqueue.c:3207
 #2: 
ffff888109b89190
 (
&dev->mutex
){....}-{3:3}
, at: device_lock include/linux/device.h:1009 [inline]
, at: hub_event+0x1be/0x4f40 drivers/usb/core/hub.c:5849
 #3: 
ffff88811ca60190
 (
&dev->mutex
){....}-{3:3}
, at: device_lock include/linux/device.h:1009 [inline]
, at: __device_attach+0x7f/0x4b0 drivers/base/dd.c:1004
 #4: 
ffff888125966160
 (
&dev->mutex
){....}-{3:3}
, at: device_lock include/linux/device.h:1009 [inline]
, at: __device_attach+0x7f/0x4b0 drivers/base/dd.c:1004
 #5: 
ffff888125967088
 (
&ictx->lock
){+.+.}-{3:3}
, at: imon_init_intf0 drivers/media/rc/imon.c:2233 [inline]
, at: imon_probe+0x9c3/0x3a20 drivers/media/rc/imon.c:2434
 #6: 
ffff888100abc148
 (
&root->kernfs_rwsem
){++++}-{3:3}
, at: kernfs_activate fs/kernfs/dir.c:1403 [inline]
, at: kernfs_add_one+0x39d/0x520 fs/kernfs/dir.c:819
2 locks held by kworker/u8:5/283:
 #0: 
ffff888100089148
 (
(wq_completion)events_unbound
){+.+.}-{0:0}
, at: process_one_work+0x1277/0x1b40 kernel/workqueue.c:3206
 #1: 
ffffc900017ffd80
 (
(reaper_work).work
){+.+.}-{0:0}
, at: process_one_work+0x921/0x1b40 kernel/workqueue.c:3207
6 locks held by kworker/1:2/804:
 #0: 
ffff888105e8ad48
 (
(wq_completion)usb_hub_wq
){+.+.}-{0:0}
, at: process_one_work+0x1277/0x1b40 kernel/workqueue.c:3206
 #1: 
ffffc90001bbfd80
 (
(work_completion)(&hub->events)
){+.+.}-{0:0}
, at: process_one_work+0x921/0x1b40 kernel/workqueue.c:3207
 #2: 
ffff888109b33190
 (
&dev->mutex
){....}-{3:3}
, at: device_lock include/linux/device.h:1009 [inline]
, at: hub_event+0x1be/0x4f40 drivers/usb/core/hub.c:5849
 #3: 
ffff8881223bf190
 (
&dev->mutex
){....}-{3:3}
, at: device_lock include/linux/device.h:1009 [inline]
, at: usb_disconnect+0x10a/0x920 drivers/usb/core/hub.c:2295
 #4: 
ffff888112abe160
 (&dev->mutex
){....}-{3:3}
, at: device_lock include/linux/device.h:1009 [inline]
, at: __device_driver_lock drivers/base/dd.c:1094 [inline]
, at: device_release_driver_internal+0xa4/0x610 drivers/base/dd.c:1292
 #5: 
ffffffff89bab988
 (
input_mutex
){+.+.}-{3:3}
, at: __input_unregister_device+0x136/0x450 drivers/input/input.c:2275
2 locks held by getty/2603:
 #0: 
ffff88810efde0a0
 (
&tty->ldisc_sem
){++++}-{0:0}
, at: tty_ldisc_ref_wait+0x24/0x80 drivers/tty/tty_ldisc.c:243
 #1: 
ffffc900000432f0
 (
&ldata->atomic_read_lock
){+.+.}-{3:3}
, at: n_tty_read+0xfc8/0x1490 drivers/tty/n_tty.c:2211
6 locks held by kworker/0:2/3110:
 #0: 
ffff888105e8ad48
 (
(wq_completion)usb_hub_wq
){+.+.}-{0:0}
, at: process_one_work+0x1277/0x1b40 kernel/workqueue.c:3206
 #1: 
ffffc9000188fd80
 (
(work_completion)(&hub->events)
){+.+.}-{0:0}
, at: process_one_work+0x921/0x1b40 kernel/workqueue.c:3207
 #2: 
ffff88810773f190
 (
&dev->mutex
){....}-{3:3}
, at: device_lock include/linux/device.h:1009 [inline]
, at: hub_event+0x1be/0x4f40 drivers/usb/core/hub.c:5849
 #3: 
ffff88811225d190
 (
&dev->mutex
){....}-{3:3}
, at: device_lock include/linux/device.h:1009 [inline]
, at: __device_attach+0x7f/0x4b0 drivers/base/dd.c:1004
 #4: 
ffff8881134d8160
 (
&dev->mutex
){....}-{3:3}
, at: device_lock include/linux/device.h:1009 [inline]
, at: __device_attach+0x7f/0x4b0 drivers/base/dd.c:1004
 #5: 
ffff888100abc148
 (
&root->kernfs_rwsem
){++++}-{3:3}
, at: kernfs_remove_by_name_ns+0x87/0x130 fs/kernfs/dir.c:1689
1 lock held by syz-executor.1/3141:
 #0: 
ffff888100abc148
 (
&root->kernfs_rwsem
){++++}-{3:3}
, at: kernfs_dop_revalidate+0x39e/0x5a0 fs/kernfs/dir.c:1141
1 lock held by syz-executor.2/3142:
 #0: 
ffff888100abc148
 (
&root->kernfs_rwsem
){++++}-{3:3}
, at: kernfs_dop_revalidate+0x39e/0x5a0 fs/kernfs/dir.c:1141
1 lock held by syz-executor.4/3143:
 #0: 
ffff888100abc148
 (
&root->kernfs_rwsem
){++++}-{3:3}
, at: kernfs_dop_revalidate+0x39e/0x5a0 fs/kernfs/dir.c:1141
1 lock held by syz-executor.3/3145:
 #0: 
ffff888100abc148
 (
&root->kernfs_rwsem
){++++}-{3:3}
, at: kernfs_dop_revalidate+0x39e/0x5a0 fs/kernfs/dir.c:1141
1 lock held by syz-executor.5/3149:
 #0: 
ffff888100abc148
 (
&root->kernfs_rwsem
){++++}-{3:3}
, at: kernfs_dop_revalidate+0x39e/0x5a0 fs/kernfs/dir.c:1141
1 lock held by syz-executor.0/3150:
 #0: 
ffff888100abc148
 (
&root->kernfs_rwsem
){++++}-{3:3}
, at: kernfs_dop_revalidate+0x39e/0x5a0 fs/kernfs/dir.c:1141
4 locks held by udevd/5854:
 #0: 
ffff8881214830a0
 (
&p->lock
){+.+.}-{3:3}
, at: seq_read_iter+0xde/0x12c0 fs/seq_file.c:182
 #1: 
ffff88811dd48c88
 (
&of->mutex
#2
){+.+.}-{3:3}
, at: kernfs_seq_start+0x4d/0x240 fs/kernfs/file.c:154
 #2: 
ffff88810b72c2d8
 (
kn->active
#18
){++++}-{0:0}
, at: kernfs_seq_start+0x71/0x240 fs/kernfs/file.c:155
 #3: 
ffff88811225d190
 (
&dev->mutex
){....}-{3:3}
, at: device_lock_interruptible include/linux/device.h:1014 [inline]
, at: manufacturer_show+0x26/0xa0 drivers/usb/core/sysfs.c:142
4 locks held by udevd/5861:
 #0: 
ffff88810ff6de80
 (
&p->lock
){+.+.}-{3:3}
, at: seq_read_iter+0xde/0x12c0 fs/seq_file.c:182
 #1: 
ffff888111f73c88
 (
&of->mutex
#2
){+.+.}-{3:3}
, at: kernfs_seq_start+0x4d/0x240 fs/kernfs/file.c:154
 #2: 
ffff8881171a0008
 (
kn->active
#18
){++++}-{0:0}
, at: kernfs_seq_start+0x71/0x240 fs/kernfs/file.c:155
 #3: 
ffff88811ccfb190
 (
&dev->mutex
){....}-{3:3}
, at: device_lock_interruptible include/linux/device.h:1014 [inline]
, at: manufacturer_show+0x26/0xa0 drivers/usb/core/sysfs.c:142
5 locks held by kworker/0:3/5870:
4 locks held by kworker/0:4/5876:
7 locks held by kworker/1:4/5880:
 #0: 
ffff888105e8ad48
 (
(wq_completion)usb_hub_wq
){+.+.}-{0:0}
, at: process_one_work+0x1277/0x1b40 kernel/workqueue.c:3206
 #1: 
ffffc90002a6fd80
 (
(work_completion)(&hub->events)
){+.+.}-{0:0}
, at: process_one_work+0x921/0x1b40 kernel/workqueue.c:3207
 #2: 
ffff88810972d190
 (
&dev->mutex
){....}-{3:3}
, at: device_lock include/linux/device.h:1009 [inline]
, at: hub_event+0x1be/0x4f40 drivers/usb/core/hub.c:5849
 #3: 
ffff888108b54190
 (
&dev->mutex
){....}-{3:3}
, at: device_lock include/linux/device.h:1009 [inline]
, at: __device_attach+0x7f/0x4b0 drivers/base/dd.c:1004
 #4: 
ffff8881137f6160
 (
&dev->mutex
){....}-{3:3}
, at: device_lock include/linux/device.h:1009 [inline]
, at: __device_attach+0x7f/0x4b0 drivers/base/dd.c:1004
 #5: 
ffff888125960088
 (
&ictx->lock
){+.+.}-{3:3}
, at: imon_init_intf0 drivers/media/rc/imon.c:2233 [inline]
, at: imon_probe+0x9c3/0x3a20 drivers/media/rc/imon.c:2434
 #6: 
ffffffff89bab988
 (
input_mutex
){+.+.}-{3:3}
, at: input_register_device+0x997/0x1140 drivers/input/input.c:2466
4 locks held by udevd/5895:
 #0: 
ffff888121dd20a0
 (
&p->lock
){+.+.}-{3:3}
, at: seq_read_iter+0xde/0x12c0 fs/seq_file.c:182
 #1: 
ffff888121de1888
 (
&of->mutex
#2
){+.+.}-{3:3}
, at: kernfs_seq_start+0x4d/0x240 fs/kernfs/file.c:154
 #2: 
ffff88812160e788
 (
kn->active
#18
){++++}-{0:0}