INFO: task kworker/1:1:13922 blocked for more than 143 seconds.
      Not tainted 6.6.0-rc2-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:1     state:D stack:22944 pid:13922 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+0x278/0x2c0 kernel/time/timer.c:2143
 ___down_common kernel/locking/semaphore.c:225 [inline]
 __down_common+0x327/0x6c0 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+0x884/0x15c0 kernel/workqueue.c:2630
 process_scheduled_works kernel/workqueue.c:2703 [inline]
 worker_thread+0x8b9/0x1290 kernel/workqueue.c:2784
 kthread+0x33c/0x440 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: rcu_lock_acquire include/linux/rcupdate.h:303 [inline]
 #0: ffffffff87eac820 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:749 [inline]
 #0: ffffffff87eac820 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x340 kernel/locking/lockdep.c:6613
2 locks held by getty/2446:
 #0: ffff88810b77a0a0
 (&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
6 locks held by kworker/1:10/6837:
 #0: 
ffff88810ae71138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x787/0x15c0 kernel/workqueue.c:2605
 #1: ffffc900019f7d80
 ((work_completion)(&hub->events)
){+.+.}-{0:0}
, at: process_one_work+0x7e9/0x15c0 kernel/workqueue.c:2606
 #2: ffff8881063d8190
 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:992 [inline]
 (&dev->mutex){....}-{3:3}, at: hub_event+0x1be/0x4f30 drivers/usb/core/hub.c:5768
 #3: 
ffff88811c04f190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:992 [inline]
ffff88811c04f190 (&dev->mutex){....}-{3:3}, at: __device_attach+0x7f/0x4b0 drivers/base/dd.c:1005
 #4: 
ffff8881417dd160 (&dev->mutex){....}-{3:3}
, at: device_lock include/linux/device.h:992 [inline]
, at: __device_attach+0x7f/0x4b0 drivers/base/dd.c:1005
 #5: 
ffffffff88f1f5c8 (register_mutex#3){+.+.}-{3:3}
, at: usb_audio_probe+0x374/0x3bc0 sound/usb/card.c:801
4 locks held by kworker/0:10/7146:
 #0: ffff88810ae71138
 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x787/0x15c0 kernel/workqueue.c:2605
 #1: 
ffffc90002edfd80 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x7e9/0x15c0 kernel/workqueue.c:2606
 #2: ffff888106748190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:992 [inline]
 #2: ffff888106748190 (&dev->mutex){....}-{3:3}, at: hub_event+0x1be/0x4f30 drivers/usb/core/hub.c:5768
 #3: 
ffff888119cf3190
 (&dev->mutex
){....}-{3:3}
, at: device_lock include/linux/device.h:992 [inline]
, at: __device_attach+0x7f/0x4b0 drivers/base/dd.c:1005
4 locks held by udevd/12702:
 #0: ffff88810a335418 (&p->lock){+.+.}-{3:3}
, at: seq_read_iter+0xda/0x1280 fs/seq_file.c:182
 #1: 
ffff88811827d488
 (&of->mutex
){+.+.}-{3:3}
, at: kernfs_seq_start+0x4b/0x460 fs/kernfs/file.c:154
 #2: ffff88810e38c578
 (
kn->active#27){++++}-{0:0}, at: kernfs_seq_start+0x6f/0x460 fs/kernfs/file.c:155
 #3: 
ffff88811c04f190 (
&dev->mutex
){....}-{3:3}
, at: device_lock_interruptible include/linux/device.h:997 [inline]
, at: manufacturer_show+0x26/0xa0 drivers/usb/core/sysfs.c:142
4 locks held by udevd/12714:
 #0: ffff88811c47f9e0 (
&p->lock
){+.+.}-{3:3}
, at: seq_read_iter+0xda/0x1280 fs/seq_file.c:182
 #1: ffff8881043a1088 (&of->mutex){+.+.}-{3:3}, at: kernfs_seq_start+0x4b/0x460 fs/kernfs/file.c:154
 #2: ffff888107f0e1d8 (kn->active#27){++++}-{0:0}, at: kernfs_seq_start+0x6f/0x460 fs/kernfs/file.c:155
 #3: ffff888119cf3190
 (&dev->mutex
){....}-{3:3}, at: device_lock_interruptible include/linux/device.h:997 [inline]
){....}-{3:3}, at: manufacturer_show+0x26/0xa0 drivers/usb/core/sysfs.c:142
5 locks held by kworker/0:1/13795:
3 locks held by kworker/0:12/13808:
2 locks held by kworker/1:1/13922:
 #0: 
ffff888100070d38
 (
(wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x787/0x15c0 kernel/workqueue.c:2605
 #1: ffffc9000dfc7d80 (console_work
){+.+.}-{0:0}
, at: process_one_work+0x7e9/0x15c0 kernel/workqueue.c:2606
3 locks held by kworker/1:14/17863:

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

NMI backtrace for cpu 1
CPU: 1 PID: 29 Comm: khungtaskd Not tainted 6.6.0-rc2-syzkaller #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+0xf87/0x1210 kernel/hung_task.c:379
 kthread+0x33c/0x440 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 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 20208 Comm: kworker/0:4 Not tainted 6.6.0-rc2-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
Workqueue: events legacy_dvb_usb_read_remote_control
RIP: 0010:can_migrate_task+0x3a0/0xc00 kernel/sched/fair.c:8694
Code: 41 89 47 40 48 b8 00 00 00 00 00 fc ff df 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 7f 01 00 00 8b 73 34 <85> f6 0f 85 ea 00 00 00 41 83 e5 10 0f 85 8a 00 00 00 48 b8 00 00
RSP: 0018:ffffc90000007ba0 EFLAGS: 00000046
RAX: 0000000000000007 RBX: ffff888108f63a00 RCX: ffffffff8126dd3a
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888108f63a34
RBP: ffffffff89332fd8 R08: ffffc90000007d24 R09: ffffed10211ec7bc
R10: ffff888108f63de7 R11: 000000000000b9b8 R12: ffffc90000007d18
R13: 0000000000000000 R14: 0000000000000000 R15: ffffc90000007d10
FS:  0000000000000000(0000) GS:ffff8881f6600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f8448b226be CR3: 0000000103f5b000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 detach_tasks kernel/sched/fair.c:8821 [inline]
 load_balance+0xb0a/0x2e30 kernel/sched/fair.c:11066
 rebalance_domains+0x705/0xee0 kernel/sched/fair.c:11465
 __do_softirq+0x20b/0x94e kernel/softirq.c:553
 invoke_softirq kernel/softirq.c:427 [inline]
 __irq_exit_rcu kernel/softirq.c:632 [inline]
 irq_exit_rcu+0xa7/0x110 kernel/softirq.c:644
 sysvec_apic_timer_interrupt+0x8e/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:1979 [inline]
RIP: 0010:vprintk_emit+0x3aa/0x5f0 kernel/printk/printk.c:2306
Code: 00 4d 85 e4 0f 85 e4 01 00 00 e8 11 20 1c 00 9c 5d 81 e5 00 02 00 00 31 ff 48 89 ee e8 8f 1b 1c 00 48 85 ed 0f 85 f0 01 00 00 <e8> f1 1f 1c 00 45 31 c9 41 b8 01 00 00 00 31 c9 48 8d 05 00 00 00
RSP: 0018:ffffc9000f16fac0 EFLAGS: 00000293
RAX: 0000000000000000 RBX: 0000000000000017 RCX: 0000000000000000
RDX: ffff888143c61d00 RSI: ffffffff81315524 RDI: 0000000000000007
RBP: 0000000000000000 R08: 0000000000000007 R09: 0000000000000000
R10: 0000000000000000 R11: 65725f783032396d R12: 0000000000000200
R13: ffff888104e5d700 R14: ffffffff8710a520 R15: ffffc9000f16fb40
 vprintk+0x7b/0x90 kernel/printk/printk_safe.c:45
 _printk+0xc8/0x100 kernel/printk/printk.c:2332
 m920x_read drivers/media/usb/dvb-usb/m920x.c:40 [inline]
 m920x_rc_query+0x496/0x760 drivers/media/usb/dvb-usb/m920x.c:193
 legacy_dvb_usb_read_remote_control+0x107/0x4f0 drivers/media/usb/dvb-usb/dvb-usb-remote.c:123
 process_one_work+0x884/0x15c0 kernel/workqueue.c:2630
 process_scheduled_works kernel/workqueue.c:2703 [inline]
 worker_thread+0x8b9/0x1290 kernel/workqueue.c:2784
 kthread+0x33c/0x440 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>