INFO: task kworker/1:10:6105 blocked for more than 143 seconds.
      Not tainted 6.4.0-rc5-syzkaller-gd37537a1f7cf #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:10    state:D
 stack:25608 pid:6105  ppid:2      flags:0x00004000
Workqueue: events console_callback

Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5343 [inline]
 __schedule+0xaa9/0x2f10 kernel/sched/core.c:6669
 schedule+0xde/0x1a0 kernel/sched/core.c:6745
 schedule_timeout+0x276/0x2b0 kernel/time/timer.c:2143
 ___down_common kernel/locking/semaphore.c:225 [inline]
 __down_common+0x345/0x680 kernel/locking/semaphore.c:246
 down+0x74/0xa0 kernel/locking/semaphore.c:63
 console_lock+0x2c/0x80 kernel/printk/printk.c:2600
 console_callback+0x63/0x4c0 drivers/tty/vt/vt.c:2934
 process_one_work+0x99a/0x15e0 kernel/workqueue.c:2405
 worker_thread+0x67d/0x10c0 kernel/workqueue.c:2552
 kthread+0x344/0x440 kernel/kthread.c:379
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
 </TASK>

Showing all locks held in the system:
1 lock held by rcu_tasks_kthre/12:
 #0: ffffffff87c9f270 (rcu_tasks.tasks_gp_mutex
){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x31/0xd80 kernel/rcu/tasks.h:518
1 lock held by rcu_tasks_trace/13:
 #0: ffffffff87c9ef70 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}
, at: rcu_tasks_one_gp+0x31/0xd80 kernel/rcu/tasks.h:518
1 lock held by khungtaskd/28:
 #0: ffffffff87c9fe80
 (rcu_read_lock
){....}-{1:2}, at: debug_show_all_locks+0x55/0x340 kernel/locking/lockdep.c:6559
2 locks held by getty/2412:
 #0: ffff888114a11098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x26/0x80 drivers/tty/tty_ldisc.c:243
 #1: ffffc900000452f0 (&ldata->atomic_read_lock
){+.+.}-{3:3}
, at: n_tty_read+0xef4/0x13e0 drivers/tty/n_tty.c:2176
3 locks held by kworker/1:8/10574:
 #0: ffff88810ce7a538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
 #0: ffff88810ce7a538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
 #0: ffff88810ce7a538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1324 [inline]
 #0: ffff88810ce7a538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:643 [inline]
 #0: ffff88810ce7a538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:670 [inline]
 #0: ffff88810ce7a538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x883/0x15e0 kernel/workqueue.c:2376
 #1: 
ffffc9000de2fdb0 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x8b7/0x15e0 kernel/workqueue.c:2380
 #2: ffff888105f3b190 (&dev->mutex){....}-{3:3}
, at: device_lock include/linux/device.h:837 [inline]
, at: hub_event+0x1c0/0x4ed0 drivers/usb/core/hub.c:5739
2 locks held by kworker/0:3/22041:
6 locks held by kworker/0:2/25647:
 #0: ffff88810ce7a538 ((wq_completion)usb_hub_wq
){+.+.}-{0:0}
, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1324 [inline]
, at: set_work_data kernel/workqueue.c:643 [inline]
, at: set_work_pool_and_clear_pending kernel/workqueue.c:670 [inline]
, at: process_one_work+0x883/0x15e0 kernel/workqueue.c:2376
 #1: ffffc9000265fdb0 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x8b7/0x15e0 kernel/workqueue.c:2380
 #2: ffff888105b43190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:837 [inline]
 #2: ffff888105b43190 (&dev->mutex){....}-{3:3}, at: hub_event+0x1c0/0x4ed0 drivers/usb/core/hub.c:5739
 #3: ffff88811bd4c190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:837 [inline]
 #3: ffff88811bd4c190 (&dev->mutex){....}-{3:3}, at: __device_attach+0x76/0x4b0 drivers/base/dd.c:1005
 #4: ffff88811c084160 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:837 [inline]
 #4: ffff88811c084160 (&dev->mutex){....}-{3:3}, at: __device_attach+0x76/0x4b0 drivers/base/dd.c:1005
 #5: ffff88810bfdcce0 (&dev->phy_mutex){+.+.}-{3:3}, at: __asix_mdio_read+0x89/0x260 drivers/net/usb/asix_common.c:504
5 locks held by kworker/0:9/28400:
 #0: ffff88810ce7a538
 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1324 [inline]
 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:643 [inline]
 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:670 [inline]
 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x883/0x15e0 kernel/workqueue.c:2376
 #1: 
ffffc90009c0fdb0 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x8b7/0x15e0 kernel/workqueue.c:2380
 #2: 
ffff888105f23190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:837 [inline]
ffff888105f23190 (&dev->mutex){....}-{3:3}, at: hub_event+0x1c0/0x4ed0 drivers/usb/core/hub.c:5739
 #3: ffff88811b532190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:837 [inline]
 #3: ffff88811b532190 (&dev->mutex){....}-{3:3}, at: __device_attach+0x76/0x4b0 drivers/base/dd.c:1005
 #4: ffff888119a8c160 (&dev->mutex
){....}-{3:3}, at: device_lock include/linux/device.h:837 [inline]
){....}-{3:3}, at: __device_attach+0x76/0x4b0 drivers/base/dd.c:1005
3 locks held by kworker/1:5/29201:
6 locks held by kworker/1:7/2987:
3 locks held by kworker/1:4/6103:
2 locks held by kworker/1:10/6105:
 #0: ffff888100070d38 ((wq_completion)events){+.+.}-{0:0}
, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1324 [inline]
, at: set_work_data kernel/workqueue.c:643 [inline]
, at: set_work_pool_and_clear_pending kernel/workqueue.c:670 [inline]
, at: process_one_work+0x883/0x15e0 kernel/workqueue.c:2376
 #1: ffffc9001130fdb0 (console_work){+.+.}-{0:0}, at: process_one_work+0x8b7/0x15e0 kernel/workqueue.c:2380

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

NMI backtrace for cpu 1
CPU: 1 PID: 28 Comm: khungtaskd Not tainted 6.4.0-rc5-syzkaller-gd37537a1f7cf #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/25/2023
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0xd9/0x150 lib/dump_stack.c:106
 nmi_cpu_backtrace+0x29c/0x350 lib/nmi_backtrace.c:113
 nmi_trigger_cpumask_backtrace+0x273/0x2d0 lib/nmi_backtrace.c:62
 trigger_all_cpu_backtrace include/linux/nmi.h:148 [inline]
 check_hung_uninterruptible_tasks kernel/hung_task.c:222 [inline]
 watchdog+0xe16/0x1090 kernel/hung_task.c:379
 kthread+0x344/0x440 kernel/kthread.c:379
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
 </TASK>
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 22041 Comm: kworker/0:3 Not tainted 6.4.0-rc5-syzkaller-gd37537a1f7cf #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/25/2023
Workqueue: events dvb_usb_read_remote_control
RIP: 0010:mark_lock kernel/locking/lockdep.c:4620 [inline]
RIP: 0010:mark_usage kernel/locking/lockdep.c:4577 [inline]
RIP: 0010:__lock_acquire+0x8f7/0x5f30 kernel/locking/lockdep.c:5042
Code: 0f 8e 6d 3e 00 00 44 8b 95 60 0a 00 00 45 85 d2 74 18 ba 06 00 00 00 4c 89 fe 48 89 ef e8 b1 d8 ff ff 85 c0 0f 84 7a 05 00 00 <ba> 08 00 00 00 4c 89 fe 48 89 ef e8 99 d8 ff ff 85 c0 0f 84 62 05
RSP: 0018:ffffc90000007bc8 EFLAGS: 00000002
RAX: 000000000000000c RBX: 0000000000000000 RCX: ffff888118d4a764
RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffffffff8b4cfb70
RBP: ffff888118d49d00 R08: 0000000000000000 R09: ffffffff8b4ca84f
R10: 0000000000000001 R11: ffff8881f663b3c0 R12: 0000000000000002
R13: ffff888118d4a7f2 R14: 0000000000000002 R15: ffff888118d4a7d0
FS:  0000000000000000(0000) GS:ffff8881f6600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020001000 CR3: 000000013e874000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 lock_acquire kernel/locking/lockdep.c:5705 [inline]
 lock_acquire+0x1b1/0x520 kernel/locking/lockdep.c:5670
 __raw_spin_lock_irq include/linux/spinlock_api_smp.h:119 [inline]
 _raw_spin_lock_irq+0x36/0x50 kernel/locking/spinlock.c:170
 __run_hrtimer kernel/time/hrtimer.c:1689 [inline]
 __hrtimer_run_queues+0x23e/0xbe0 kernel/time/hrtimer.c:1749
 hrtimer_interrupt+0x320/0x7b0 kernel/time/hrtimer.c:1811
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1095 [inline]
 __sysvec_apic_timer_interrupt+0x14a/0x430 arch/x86/kernel/apic/apic.c:1112
 sysvec_apic_timer_interrupt+0x8d/0xc0 arch/x86/kernel/apic/apic.c:1106
 </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:1979 [inline]
RIP: 0010:vprintk_emit+0x3fe/0x600 kernel/printk/printk.c:2306
Code: 62 1b 00 48 85 db 0f 85 da 01 00 00 e8 6b 66 1b 00 31 ff 4c 89 f6 e8 a1 62 1b 00 4d 85 f6 74 06 e8 57 66 1b 00 fb f3 0f 1e fa <e8> 4d 66 1b 00 45 31 c9 41 b8 01 00 00 00 31 c9 68 7a c0 2f 81 ba
RSP: 0018:ffffc9000dc07b88 EFLAGS: 00000293
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: ffff888118d49d00 RSI: ffffffff812fc079 RDI: 0000000000000007
RBP: ffffc9000dc07bc0 R08: 0000000000000007 R09: 0000000000000000
R10: 0000000000000200 R11: 65725f783032396d R12: 0000000000000017
R13: ffff888104e75700 R14: 0000000000000200 R15: ffffc9000dc07c10
 vprintk+0x84/0xa0 kernel/printk/printk_safe.c:50
 _printk+0xbf/0xf0 kernel/printk/printk.c:2328
 m920x_read drivers/media/usb/dvb-usb/m920x.c:40 [inline]
 m920x_rc_core_query+0x2e6/0x500 drivers/media/usb/dvb-usb/m920x.c:229
 dvb_usb_read_remote_control+0xdf/0x1d0 drivers/media/usb/dvb-usb/dvb-usb-remote.c:261
 process_one_work+0x99a/0x15e0 kernel/workqueue.c:2405
 worker_thread+0x67d/0x10c0 kernel/workqueue.c:2552
 kthread+0x344/0x440 kernel/kthread.c:379
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
 </TASK>