INFO: task kworker/0:0:11360 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/0:0     state:D stack:21536 pid:11360 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
5 locks held by kworker/1:2/639:
2 locks held by getty/2444:
 #0: ffff88810b7da0a0 (&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
3 locks held by kworker/1:3/5287:
2 locks held by kworker/0:4/5305:
2 locks held by kworker/0:0/11360:
 #0: ffff888100070d38 ((wq_completion)events){+.+.}-{0:0}
, at: process_one_work+0x787/0x15c0 kernel/workqueue.c:2605
 #1: 
ffffc90001f57d80 (console_work){+.+.}-{0:0}
, at: process_one_work+0x7e9/0x15c0 kernel/workqueue.c:2606
4 locks held by kworker/1:11/15716:
3 locks held by kworker/0:2/20889:
4 locks held by udevd/25492:
 #0: ffff88810e350668
 (&p->lock
){+.+.}-{3:3}
, at: seq_read_iter+0xda/0x1280 fs/seq_file.c:182
 #1: ffff88810f383888
 (&of->mutex){+.+.}-{3:3}
, at: kernfs_seq_start+0x4b/0x460 fs/kernfs/file.c:154
 #2: ffff888140d25490 (kn->active#18
){++++}-{0:0}, at: kernfs_seq_start+0x6f/0x460 fs/kernfs/file.c:155
 #3: ffff88811c54e190 (&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 kworker/0:15/29821:
1 lock held by syz-executor.0/30293:

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

NMI backtrace for cpu 0
CPU: 0 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 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 5694 Comm: kworker/1:6 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:put_dec_trunc8+0x29e/0x370 lib/vsprintf.c:232
Code: 89 de bf 09 00 00 00 e8 30 3d 0e fb 83 fb 09 0f 97 c3 e8 b5 41 0e fb 0f b6 db 48 83 c3 01 48 8d 44 1d 00 5b 5d 41 5c 41 5d c3 <e8> 9d 41 0e fb 48 83 c5 02 44 89 e3 e9 4e ff ff ff e8 8c 41 0e fb
RSP: 0018:ffffc9000d1df2f0 EFLAGS: 00000297
RAX: 0000000000000000 RBX: 0000000000003834 RCX: ffffffff863f2fad
RDX: ffff888115b65700 RSI: 0000000000000000 RDI: 0000000000000007
RBP: ffffc9000d1df3a8 R08: 0000000000000007 R09: 0000000000000063
R10: 0000000000000021 R11: 0000000001985ce0 R12: 0000000000000021
R13: 000000000000000a R14: ffffc9008d1df6f7 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8881f6700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2fb24000 CR3: 000000013fe2e000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <TASK>
 number+0x9a8/0xb80 lib/vsprintf.c:510
 vsnprintf+0x905/0x1870 lib/vsprintf.c:2884
 sprintf+0xcd/0x100 lib/vsprintf.c:3022
 print_time kernel/printk/printk.c:1327 [inline]
 info_print_prefix+0x258/0x350 kernel/printk/printk.c:1353
 record_print_text+0x143/0x410 kernel/printk/printk.c:1402
 printk_get_next_message+0x2ca/0x7c0 kernel/printk/printk.c:2842
 console_emit_next_record kernel/printk/printk.c:2877 [inline]
 console_flush_all+0x3c0/0xfb0 kernel/printk/printk.c:2966
 console_unlock+0x10c/0x260 kernel/printk/printk.c:3035
 vprintk_emit+0x17f/0x5f0 kernel/printk/printk.c:2307
 vprintk+0x7b/0x90 kernel/printk/printk_safe.c:45
 _printk+0xc8/0x100 kernel/printk/printk.c:2332
 legacy_dvb_usb_read_remote_control+0x403/0x4f0 drivers/media/usb/dvb-usb/dvb-usb-remote.c:124
 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>