INFO: task kworker/0:9:6432 blocked for more than 143 seconds.
      Not tainted 6.6.0-rc1-syzkaller-00240-gf0b0d403eabb #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:9     state:D stack:22272 pid:6432  ppid:2      flags:0x00004000
Workqueue: events console_callback

Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5382 [inline]
 __schedule+0xc79/0x30a0 kernel/sched/core.c:6695
 schedule+0xe7/0x1b0 kernel/sched/core.c:6771
 schedule_timeout+0x27a/0x2c0 kernel/time/timer.c:2143
 ___down_common kernel/locking/semaphore.c:225 [inline]
 __down_common+0x328/0x6c0 kernel/locking/semaphore.c:246
 down+0x74/0xa0 kernel/locking/semaphore.c:63
 console_lock+0x96/0x150 kernel/printk/printk.c:2652
 console_callback+0x63/0x4c0 drivers/tty/vt/vt.c:2933
 process_one_work+0x887/0x15d0 kernel/workqueue.c:2630
 process_scheduled_works kernel/workqueue.c:2703 [inline]
 worker_thread+0x8bb/0x1290 kernel/workqueue.c:2784
 kthread+0x33a/0x430 kernel/kthread.c:388
 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:304
 </TASK>

Showing all locks held in the system:
1 lock held by khungtaskd/29:
 #0: ffffffff87eac820 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x340 kernel/locking/lockdep.c:6607
3 locks held by kworker/1:2/1883:
2 locks held by getty/2442:
 #0: ffff88810bb420a0 (&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+0xfc5/0x1480 drivers/tty/n_tty.c:2206
2 locks held by kworker/0:9/6432:
 #0: ffff888100070d38
 (
(wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x774/0x15d0 kernel/workqueue.c:2602
 #1: ffffc9000dcffd88
 (console_work
){+.+.}-{0:0}
, at: process_one_work+0x7a7/0x15d0 kernel/workqueue.c:2605
3 locks held by kworker/1:10/11399:
 #0: ffff88810a669938 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x774/0x15d0 kernel/workqueue.c:2602
 #1: ffffc9000282fd88 ((work_completion)(&hub->events)
){+.+.}-{0:0}
, at: process_one_work+0x7a7/0x15d0 kernel/workqueue.c:2605
 #2: ffff8881023b4190
 (
&dev->mutex
){....}-{3:3}
, at: device_lock include/linux/device.h:992 [inline]
, at: hub_event+0x1be/0x4f30 drivers/usb/core/hub.c:5768
5 locks held by kworker/1:1/15316:
 #0: ffff88810a669938 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x774/0x15d0 kernel/workqueue.c:2602
 #1: ffffc90006b9fd88 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x7a7/0x15d0 kernel/workqueue.c:2605
 #2: ffff888105fa9190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:992 [inline]
 #2: ffff888105fa9190 (&dev->mutex){....}-{3:3}, at: hub_event+0x1be/0x4f30 drivers/usb/core/hub.c:5768
 #3: ffff88811dc52190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:992 [inline]
 #3: ffff88811dc52190 (&dev->mutex){....}-{3:3}, at: __device_attach+0x7f/0x4b0 drivers/base/dd.c:1005
 #4: 
ffff88811d008160
 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:992 [inline]
 (&dev->mutex){....}-{3:3}, at: __device_attach+0x7f/0x4b0 drivers/base/dd.c:1005
3 locks held by kworker/1:11/21824:
6 locks held by kworker/1:8/25208:
4 locks held by kworker/1:3/28250:
4 locks held by udevd/29426:
 #0: 
ffff88813300be80
 (&p->lock){+.+.}-{3:3}, at: seq_read_iter+0xda/0x1280 fs/seq_file.c:182
 #1: ffff88811bac2c88 (&of->mutex){+.+.}-{3:3}
, at: kernfs_seq_start+0x4b/0x460 fs/kernfs/file.c:154
 #2: ffff888143c6fbd0 (kn->active
#27){++++}-{0:0}, at: kernfs_seq_start+0x6f/0x460 fs/kernfs/file.c:155
 #3: ffff88811dc52190 (&dev->mutex){....}-{3:3}, at: device_lock_interruptible include/linux/device.h:997 [inline]
 #3: ffff88811dc52190 (&dev->mutex){....}-{3:3}, at: manufacturer_show+0x26/0xa0 drivers/usb/core/sysfs.c:142
3 locks held by kworker/0:14/29529:
3 locks held by dhcpcd-run-hook/30374:

=============================================

NMI backtrace for cpu 0
CPU: 0 PID: 29 Comm: khungtaskd Not tainted 6.6.0-rc1-syzkaller-00240-gf0b0d403eabb #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0xd9/0x1b0 lib/dump_stack.c:106
 nmi_cpu_backtrace+0x277/0x380 lib/nmi_backtrace.c:113
 nmi_trigger_cpumask_backtrace+0x26c/0x2d0 lib/nmi_backtrace.c:62
 trigger_all_cpu_backtrace include/linux/nmi.h:160 [inline]
 check_hung_uninterruptible_tasks kernel/hung_task.c:222 [inline]
 watchdog+0xfac/0x1230 kernel/hung_task.c:379
 kthread+0x33a/0x430 kernel/kthread.c:388
 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:304
 </TASK>
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 21824 Comm: kworker/1:11 Not tainted 6.6.0-rc1-syzkaller-00240-gf0b0d403eabb #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
Workqueue: usb_hub_wq hub_event
RIP: 0010:debug_spin_unlock kernel/locking/spinlock_debug.c:105 [inline]
RIP: 0010:do_raw_spin_unlock+0x109/0x230 kernel/locking/spinlock_debug.c:140
Code: 8b 05 27 bc d4 7e 39 43 08 0f 85 b3 00 00 00 48 b8 00 00 00 00 00 fc ff df 4c 89 e2 48 c1 ea 03 80 3c 02 00 0f 85 f3 00 00 00 <48> 89 ea 48 c7 43 10 ff ff ff ff 48 b8 00 00 00 00 00 fc ff df 48
RSP: 0018:ffffc90000198e08 EFLAGS: 00000046
RAX: dffffc0000000000 RBX: ffff8881f672b700 RCX: ffffffff812eee13
RDX: 1ffff1103ece56e2 RSI: 0000000000000004 RDI: ffff8881f672b700
RBP: ffff8881f672b708 R08: 0000000000000000 R09: ffffed103ece56e0
R10: ffff8881f672b703 R11: ffffc90000198ff8 R12: ffff8881f672b710
R13: 000002b7b499c8bb R14: ffffc9000155fd90 R15: ffffffff813c78a0
FS:  0000000000000000(0000) GS:ffff8881f6700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fd807a1c870 CR3: 000000013d4f1000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:150 [inline]
 _raw_spin_unlock_irqrestore+0x22/0x70 kernel/locking/spinlock.c:194
 __run_hrtimer kernel/time/hrtimer.c:1684 [inline]
 __hrtimer_run_queues+0x58b/0xc10 kernel/time/hrtimer.c:1752
 hrtimer_interrupt+0x31b/0x800 kernel/time/hrtimer.c:1814
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1063 [inline]
 __sysvec_apic_timer_interrupt+0x105/0x3f0 arch/x86/kernel/apic/apic.c:1080
 sysvec_apic_timer_interrupt+0x89/0xb0 arch/x86/kernel/apic/apic.c:1074
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:645
RIP: 0010:console_trylock_spinning kernel/printk/printk.c:1972 [inline]
RIP: 0010:vprintk_emit+0x3d1/0x630 kernel/printk/printk.c:2306
Code: 00 00 e8 c2 1b 1c 00 9c 8f 45 d0 48 8b 45 d0 31 ff 25 00 02 00 00 49 89 c7 48 89 c6 e8 38 17 1c 00 4d 85 ff 0f 85 09 02 00 00 <f3> 0f 1e fa e8 96 1b 1c 00 45 31 c9 41 b8 01 00 00 00 31 c9 68 d1
RSP: 0018:ffffc90010f8f448 EFLAGS: 00000246
RAX: 0000000000040000 RBX: 0000000000000064 RCX: ffffc9000c67c000
RDX: 0000000000040000 RSI: ffffffff813156d4 RDI: 0000000000000007
RBP: ffffc90010f8f480 R08: 0000000000000007 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000627375 R12: 0000000000000200
R13: ffff888105e49d00 R14: 0000000000000000 R15: 0000000000000000
 dev_vprintk_emit drivers/base/core.c:4849 [inline]
 dev_printk_emit+0xfb/0x140 drivers/base/core.c:4860
 __dev_printk+0xf5/0x270 drivers/base/core.c:4872
 _dev_notice+0xe5/0x120 drivers/base/core.c:4917
 usb_parse_endpoint drivers/usb/core/config.c:381 [inline]
 usb_parse_interface drivers/usb/core/config.c:582 [inline]
 usb_parse_configuration drivers/usb/core/config.c:795 [inline]
 usb_get_configuration+0x31b4/0x5640 drivers/usb/core/config.c:944
 usb_enumerate_device drivers/usb/core/hub.c:2421 [inline]
 usb_new_device+0x1115/0x1960 drivers/usb/core/hub.c:2559
 hub_port_connect drivers/usb/core/hub.c:5440 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5580 [inline]
 port_event drivers/usb/core/hub.c:5740 [inline]
 hub_event+0x2e62/0x4f30 drivers/usb/core/hub.c:5822
 process_one_work+0x887/0x15d0 kernel/workqueue.c:2630
 process_scheduled_works kernel/workqueue.c:2703 [inline]
 worker_thread+0x8bb/0x1290 kernel/workqueue.c:2784
 kthread+0x33a/0x430 kernel/kthread.c:388
 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:304
 </TASK>