INFO: task kworker/0:3:4817 blocked for more than 143 seconds.
      Not tainted 6.6.0-rc1-syzkaller-00269-ge789286468a9 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:3     state:D stack:26048 pid:4817  ppid:2      flags:0x00004000
Workqueue: usb_hub_wq hub_event
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5382 [inline]
 __schedule+0xee1/0x5a10 kernel/sched/core.c:6695
 schedule+0xe7/0x1b0 kernel/sched/core.c:6771
 usb_kill_urb.part.0+0x1c6/0x250 drivers/usb/core/urb.c:713
 usb_kill_urb+0x83/0xa0 drivers/usb/core/urb.c:702
 usb_start_wait_urb+0x251/0x4c0 drivers/usb/core/message.c:65
 usb_internal_control_msg drivers/usb/core/message.c:103 [inline]
 usb_control_msg+0x327/0x4a0 drivers/usb/core/message.c:154
 get_bMaxPacketSize0.constprop.0+0xa5/0x1c0 drivers/usb/core/hub.c:4725
 hub_port_init+0x680/0x3850 drivers/usb/core/hub.c:4921
 hub_port_connect drivers/usb/core/hub.c:5369 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5580 [inline]
 port_event drivers/usb/core/hub.c:5740 [inline]
 hub_event+0x2b64/0x4e00 drivers/usb/core/hub.c:5822
 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>
INFO: task syz-executor.0:5457 blocked for more than 143 seconds.
      Not tainted 6.6.0-rc1-syzkaller-00269-ge789286468a9 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0  state:D stack:26416 pid:5457  ppid:5395   flags:0x00000006
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5382 [inline]
 __schedule+0xee1/0x5a10 kernel/sched/core.c:6695
 schedule+0xe7/0x1b0 kernel/sched/core.c:6771
 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6830
 __mutex_lock_common kernel/locking/mutex.c:679 [inline]
 __mutex_lock+0x969/0x1340 kernel/locking/mutex.c:747
 device_lock include/linux/device.h:992 [inline]
 usbdev_release+0x87/0x4b0 drivers/usb/core/devio.c:1096
 __fput+0x3f7/0xa70 fs/file_table.c:384
 __fput_sync+0x47/0x50 fs/file_table.c:465
 __do_sys_close fs/open.c:1572 [inline]
 __se_sys_close fs/open.c:1557 [inline]
 __x64_sys_close+0x87/0xf0 fs/open.c:1557
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f951e07b9da
RSP: 002b:00007ffd950d5860 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f951e07b9da
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003
RBP: 0000000000000032 R08: 0000001b2ce60000 R09: 00007f951e19bf8c
R10: 00007ffd950d59b0 R11: 0000000000000293 R12: 00007f951dc000c8
R13: ffffffffffffffff R14: 00007f951dc00000 R15: 000000000001a56c
 </TASK>

Showing all locks held in the system:
1 lock held by khungtaskd/29:
 #0: ffffffff8cbab2e0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:303 [inline]
 #0: ffffffff8cbab2e0 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:749 [inline]
 #0: ffffffff8cbab2e0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x340 kernel/locking/lockdep.c:6613
2 locks held by getty/4790:
 #0: ffff88814ad560a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x24/0x80 drivers/tty/tty_ldisc.c:243
 #1: ffffc900015b72f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xfc5/0x1480 drivers/tty/n_tty.c:2206
5 locks held by kworker/0:3/4817:
 #0: ffff888146242538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x787/0x15c0 kernel/workqueue.c:2605
 #1: ffffc9000365fd80 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x7e9/0x15c0 kernel/workqueue.c:2606
 #2: ffff88814234b190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:992 [inline]
 #2: ffff88814234b190 (&dev->mutex){....}-{3:3}, at: hub_event+0x1c1/0x4e00 drivers/usb/core/hub.c:5768
 #3: ffff88814234f508 (&port_dev->status_lock){+.+.}-{3:3}, at: usb_lock_port drivers/usb/core/hub.c:3138 [inline]
 #3: ffff88814234f508 (&port_dev->status_lock){+.+.}-{3:3}, at: hub_port_connect drivers/usb/core/hub.c:5337 [inline]
 #3: ffff88814234f508 (&port_dev->status_lock){+.+.}-{3:3}, at: hub_port_connect_change drivers/usb/core/hub.c:5580 [inline]
 #3: ffff88814234f508 (&port_dev->status_lock){+.+.}-{3:3}, at: port_event drivers/usb/core/hub.c:5740 [inline]
 #3: ffff88814234f508 (&port_dev->status_lock){+.+.}-{3:3}, at: hub_event+0x2801/0x4e00 drivers/usb/core/hub.c:5822
 #4: ffff888020566768 (hcd->address0_mutex){+.+.}-{3:3}, at: hub_port_connect drivers/usb/core/hub.c:5338 [inline]
 #4: ffff888020566768 (hcd->address0_mutex){+.+.}-{3:3}, at: hub_port_connect_change drivers/usb/core/hub.c:5580 [inline]
 #4: ffff888020566768 (hcd->address0_mutex){+.+.}-{3:3}, at: port_event drivers/usb/core/hub.c:5740 [inline]
 #4: ffff888020566768 (hcd->address0_mutex){+.+.}-{3:3}, at: hub_event+0x282a/0x4e00 drivers/usb/core/hub.c:5822
1 lock held by syz-executor.0/5457:
 #0: ffff88814234b190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:992 [inline]
 #0: ffff88814234b190 (&dev->mutex){....}-{3:3}, at: usbdev_release+0x87/0x4b0 drivers/usb/core/devio.c:1096
1 lock held by syz-executor.0/5775:
 #0: ffff88814234b190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:992 [inline]
 #0: ffff88814234b190 (&dev->mutex){....}-{3:3}, at: usbdev_open+0x1b5/0x900 drivers/usb/core/devio.c:1051
1 lock held by syz-executor.0/5797:
 #0: ffff88814234b190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:992 [inline]
 #0: ffff88814234b190 (&dev->mutex){....}-{3:3}, at: usbdev_open+0x1b5/0x900 drivers/usb/core/devio.c:1051

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

NMI backtrace for cpu 1
CPU: 1 PID: 29 Comm: khungtaskd Not tainted 6.6.0-rc1-syzkaller-00269-ge789286468a9 #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+0x299/0x300 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: 4483 Comm: klogd Not tainted 6.6.0-rc1-syzkaller-00269-ge789286468a9 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
RIP: 0010:write_comp_data+0x3c/0x90 kernel/kcov.c:236
Code: 01 00 00 49 89 f8 65 48 8b 14 25 c0 bc 03 00 a9 00 01 ff 00 74 0e 85 f6 74 59 8b 82 04 16 00 00 85 c0 74 4f 8b 82 e0 15 00 00 <83> f8 03 75 44 48 8b 82 e8 15 00 00 8b 92 e4 15 00 00 48 8b 38 48
RSP: 0018:ffffc9000310f830 EFLAGS: 00000246
RAX: 0000000000000000 RBX: ffffffff8a8d7be1 RCX: ffffffff8a30b00d
RDX: ffff88807e795940 RSI: 0000000000000000 RDI: 0000000000000001
RBP: 0000000000000025 R08: 0000000000000001 R09: 0000000000000025
R10: 0000000000000025 R11: fffffffffffe4928 R12: ffffc9000310f938
R13: ffffffff8a8d7be1 R14: 0000000000000000 R15: dffffc0000000000
FS:  00007fcf7755d380(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055e1f4b66680 CR3: 000000002605a000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <TASK>
 format_decode+0x1ad/0xba0 lib/vsprintf.c:2553
 vsnprintf+0x13d/0x1870 lib/vsprintf.c:2770
 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
 syslog_print+0x4e5/0x5d0 kernel/printk/printk.c:1613
 do_syslog+0x2d4/0x580 kernel/printk/printk.c:1732
 __do_sys_syslog kernel/printk/printk.c:1824 [inline]
 __se_sys_syslog kernel/printk/printk.c:1822 [inline]
 __x64_sys_syslog+0x74/0xb0 kernel/printk/printk.c:1822
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fcf776befa7
Code: 73 01 c3 48 8b 0d 81 ce 0c 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 67 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 51 ce 0c 00 f7 d8 64 89 01 48
RSP: 002b:00007ffd88b680a8 EFLAGS: 00000206 ORIG_RAX: 0000000000000067
RAX: ffffffffffffffda RBX: 00007fcf7785d4a0 RCX: 00007fcf776befa7
RDX: 00000000000003ff RSI: 00007fcf7785d4a0 RDI: 0000000000000002
RBP: 0000000000000000 R08: 0000000000000002 R09: 45395302808542bf
R10: 0000000000004000 R11: 0000000000000206 R12: 00007fcf7785d4a0
R13: 00007fcf7784d212 R14: 00007fcf7785d503 R15: 00007fcf7785d503
 </TASK>