INFO: task kworker/1:0:23 blocked for more than 143 seconds.
      Not tainted 6.6.0-syzkaller-10396-g4652b8e4f3ff #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:0     state:D stack:25112 pid:23    tgid:23    ppid:2      flags:0x00004000
Workqueue: usb_hub_wq hub_event
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5376 [inline]
 __schedule+0x1960/0x4a80 kernel/sched/core.c:6688
 __schedule_loop kernel/sched/core.c:6763 [inline]
 schedule+0x149/0x260 kernel/sched/core.c:6778
 usb_kill_urb+0x1c9/0x300 drivers/usb/core/urb.c:713
 usb_start_wait_urb+0x1b0/0x520 drivers/usb/core/message.c:65
 usb_internal_control_msg drivers/usb/core/message.c:103 [inline]
 usb_control_msg+0x2b1/0x4c0 drivers/usb/core/message.c:154
 get_bMaxPacketSize0 drivers/usb/core/hub.c:4744 [inline]
 hub_port_init+0xaa6/0x23a0 drivers/usb/core/hub.c:4940
 hub_port_connect drivers/usb/core/hub.c:5388 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5599 [inline]
 port_event drivers/usb/core/hub.c:5759 [inline]
 hub_event+0x2a3c/0x50a0 drivers/usb/core/hub.c:5841
 process_one_work kernel/workqueue.c:2630 [inline]
 process_scheduled_works+0x90f/0x1400 kernel/workqueue.c:2703
 worker_thread+0xa5f/0xff0 kernel/workqueue.c:2784
 kthread+0x2d3/0x370 kernel/kthread.c:388
 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:242
 </TASK>

Showing all locks held in the system:
5 locks held by kworker/1:0/23:
 #0: ffff888015256d38 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:2605 [inline]
 #0: ffff888015256d38 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_scheduled_works+0x825/0x1400 kernel/workqueue.c:2703
 #1: ffffc900001d7d20 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:2605 [inline]
 #1: ffffc900001d7d20 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_scheduled_works+0x825/0x1400 kernel/workqueue.c:2703
 #2: ffff88823bc72990 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:992 [inline]
 #2: ffff88823bc72990 (&dev->mutex){....}-{3:3}, at: hub_event+0x1fe/0x50a0 drivers/usb/core/hub.c:5787
 #3: ffff88814334c508 (&port_dev->status_lock){+.+.}-{3:3}, at: usb_lock_port drivers/usb/core/hub.c:3150 [inline]
 #3: ffff88814334c508 (&port_dev->status_lock){+.+.}-{3:3}, at: hub_port_connect drivers/usb/core/hub.c:5356 [inline]
 #3: ffff88814334c508 (&port_dev->status_lock){+.+.}-{3:3}, at: hub_port_connect_change drivers/usb/core/hub.c:5599 [inline]
 #3: ffff88814334c508 (&port_dev->status_lock){+.+.}-{3:3}, at: port_event drivers/usb/core/hub.c:5759 [inline]
 #3: ffff88814334c508 (&port_dev->status_lock){+.+.}-{3:3}, at: hub_event+0x26a5/0x50a0 drivers/usb/core/hub.c:5841
 #4: ffff888142b69268 (hcd->address0_mutex){+.+.}-{3:3}, at: hub_port_connect drivers/usb/core/hub.c:5357 [inline]
 #4: ffff888142b69268 (hcd->address0_mutex){+.+.}-{3:3}, at: hub_port_connect_change drivers/usb/core/hub.c:5599 [inline]
 #4: ffff888142b69268 (hcd->address0_mutex){+.+.}-{3:3}, at: port_event drivers/usb/core/hub.c:5759 [inline]
 #4: ffff888142b69268 (hcd->address0_mutex){+.+.}-{3:3}, at: hub_event+0x26d9/0x50a0 drivers/usb/core/hub.c:5841
1 lock held by khungtaskd/29:
 #0: ffffffff8d72d4a0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:301 [inline]
 #0: ffffffff8d72d4a0 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:747 [inline]
 #0: ffffffff8d72d4a0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x2a0 kernel/locking/lockdep.c:6613
2 locks held by getty/4802:
 #0: ffff88814b1c50a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243
 #1: ffffc90002f062f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6b1/0x1dc0 drivers/tty/n_tty.c:2206

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

NMI backtrace for cpu 1
CPU: 1 PID: 29 Comm: khungtaskd Not tainted 6.6.0-syzkaller-10396-g4652b8e4f3ff #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x1e7/0x2d0 lib/dump_stack.c:106
 nmi_cpu_backtrace+0x498/0x4d0 lib/nmi_backtrace.c:113
 nmi_trigger_cpumask_backtrace+0x198/0x310 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+0xfa9/0xff0 kernel/hung_task.c:379
 kthread+0x2d3/0x370 kernel/kthread.c:388
 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:242
 </TASK>
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 5045 Comm: sshd Not tainted 6.6.0-syzkaller-10396-g4652b8e4f3ff #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
RIP: 0010:__might_sleep+0x7a/0xc0 kernel/sched/core.c:10080
Code: 00 74 08 48 89 ef e8 95 9b 87 00 48 8b 4d 00 48 85 c9 74 09 80 3d 41 ed 67 0d 00 74 15 4c 89 ff 44 89 f6 31 d2 5b 41 5c 41 5e <41> 5f 5d e9 3e 00 00 00 c6 05 23 ed 67 0d 01 48 c7 c7 80 44 4a 8b
RSP: 0018:ffffc9000423fcf0 EFLAGS: 00000246
RAX: 0000000000000000 RBX: ffff88801a39d940 RCX: ffff88801a39d940
RDX: 0000000000000000 RSI: 000000000000000e RDI: ffffffff8cfb5609
RBP: ffff88801a39d940 R08: ffffffff81d5ced0 R09: 0000000000000000
R10: ffffc9000423fda0 R11: fffff52000847fb6 R12: dffffc0000000000
R13: ffffc9000423fda0 R14: 000000000000000e R15: ffffffff8cfb5609
FS:  00007f033d0e9800(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fa5237e2c00 CR3: 0000000079f16000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <TASK>
 __might_fault+0x6d/0x120 mm/memory.c:5896
 _copy_from_user+0x2a/0xe0 lib/usercopy.c:14
 copy_from_user include/linux/uaccess.h:183 [inline]
 get_timespec64+0x97/0x270 kernel/time/time.c:877
 __do_sys_ppoll fs/select.c:1109 [inline]
 __se_sys_ppoll+0xd1/0x330 fs/select.c:1101
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x44/0x110 arch/x86/entry/common.c:82
 entry_SYSCALL_64_after_hwframe+0x63/0x6b
RIP: 0033:0x7f033cd19ad5
Code: 85 d2 74 0d 0f 10 02 48 8d 54 24 20 0f 11 44 24 20 64 8b 04 25 18 00 00 00 85 c0 75 27 41 b8 08 00 00 00 b8 0f 01 00 00 0f 05 <48> 3d 00 f0 ff ff 76 75 48 8b 15 24 73 0d 00 f7 d8 64 89 02 48 83
RSP: 002b:00007ffeeb7bc790 EFLAGS: 00000246 ORIG_RAX: 000000000000010f
RAX: ffffffffffffffda RBX: 00000000000668a0 RCX: 00007f033cd19ad5
RDX: 00007ffeeb7bc7b0 RSI: 0000000000000004 RDI: 000055f7e3fce820
RBP: 000055f7e3fcd3f0 R08: 0000000000000008 R09: 0000000000000000
R10: 00007ffeeb7bc898 R11: 0000000000000246 R12: 000055f7e3dfcaa4
R13: 0000000000000001 R14: 000055f7e3dfd3e8 R15: 00007ffeeb7bc818
 </TASK>
INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.059 msecs