INFO: task kworker/1:2:95 blocked for more than 143 seconds.
      Not tainted 5.6.0-rc3-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
kworker/1:2     D25032    95      2 0x80004000
Workqueue: usb_hub_wq hub_event
Call Trace:
 schedule+0xcd/0x2b0 kernel/sched/core.c:4154
 schedule_preempt_disabled+0xc/0x20 kernel/sched/core.c:4213
 __mutex_lock_common kernel/locking/mutex.c:1033 [inline]
 __mutex_lock+0x87c/0x1360 kernel/locking/mutex.c:1103
 input_disconnect_device drivers/input/input.c:732 [inline]
 __input_unregister_device+0x23/0x430 drivers/input/input.c:2085
 input_unregister_device+0xb4/0xf0 drivers/input/input.c:2272
 iforce_usb_disconnect+0x5e/0xf0 drivers/input/joystick/iforce/iforce-usb.c:261
 usb_unbind_interface+0x1bd/0x8a0 drivers/usb/core/driver.c:436
 __device_release_driver drivers/base/dd.c:1137 [inline]
 device_release_driver_internal+0x42f/0x500 drivers/base/dd.c:1168
 bus_remove_device+0x2eb/0x5a0 drivers/base/bus.c:533
 device_del+0x481/0xd30 drivers/base/core.c:2664
 usb_disable_device+0x23d/0x790 drivers/usb/core/message.c:1237
 usb_disconnect+0x293/0x900 drivers/usb/core/hub.c:2207
 hub_port_connect drivers/usb/core/hub.c:5042 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5331 [inline]
 port_event drivers/usb/core/hub.c:5477 [inline]
 hub_event+0x1a1d/0x4300 drivers/usb/core/hub.c:5559
 process_one_work+0x94b/0x1620 kernel/workqueue.c:2264
 worker_thread+0x96/0xe20 kernel/workqueue.c:2410
 kthread+0x318/0x420 kernel/kthread.c:255
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:352

Showing all locks held in the system:
1 lock held by khungtaskd/22:
 #0: ffffffff87109020 (rcu_read_lock){....}, at: debug_show_all_locks+0x53/0x264 kernel/locking/lockdep.c:5331
7 locks held by kworker/1:1/78:
6 locks held by kworker/1:2/95:
 #0: ffff8881d8832928 ((wq_completion)usb_hub_wq){+.+.}, at: __write_once_size include/linux/compiler.h:226 [inline]
 #0: ffff8881d8832928 ((wq_completion)usb_hub_wq){+.+.}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
 #0: ffff8881d8832928 ((wq_completion)usb_hub_wq){+.+.}, at: atomic64_set include/asm-generic/atomic-instrumented.h:855 [inline]
 #0: ffff8881d8832928 ((wq_completion)usb_hub_wq){+.+.}, at: atomic_long_set include/asm-generic/atomic-long.h:40 [inline]
 #0: ffff8881d8832928 ((wq_completion)usb_hub_wq){+.+.}, at: set_work_data kernel/workqueue.c:615 [inline]
 #0: ffff8881d8832928 ((wq_completion)usb_hub_wq){+.+.}, at: set_work_pool_and_clear_pending kernel/workqueue.c:642 [inline]
 #0: ffff8881d8832928 ((wq_completion)usb_hub_wq){+.+.}, at: process_one_work+0x82a/0x1620 kernel/workqueue.c:2235
 #1: ffff8881d5fa7dd0 ((work_completion)(&hub->events)){+.+.}, at: process_one_work+0x85e/0x1620 kernel/workqueue.c:2239
 #2: ffff8881d4cbe200 (&dev->mutex){....}, at: device_lock include/linux/device.h:771 [inline]
 #2: ffff8881d4cbe200 (&dev->mutex){....}, at: hub_event+0x1be/0x4300 drivers/usb/core/hub.c:5505
 #3: ffff8881c790f200 (&dev->mutex){....}, at: device_lock include/linux/device.h:771 [inline]
 #3: ffff8881c790f200 (&dev->mutex){....}, at: usb_disconnect+0x91/0x900 drivers/usb/core/hub.c:2198
 #4: ffff8881c90ad190 (&dev->mutex){....}, at: device_release_driver_internal+0x23/0x500 drivers/base/dd.c:1165
 #5: ffff8881c90ae2a8 (&dev->mutex#2){+.+.}, at: input_disconnect_device drivers/input/input.c:732 [inline]
 #5: ffff8881c90ae2a8 (&dev->mutex#2){+.+.}, at: __input_unregister_device+0x23/0x430 drivers/input/input.c:2085
1 lock held by rsyslogd/1660:
2 locks held by getty/1750:
 #0: ffff8881cf0cb090 (&tty->ldisc_sem){++++}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:267
 #1: ffffc900004452e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x21d/0x1b30 drivers/tty/n_tty.c:2156
2 locks held by getty/1751:
 #0: ffff8881cf35f090 (&tty->ldisc_sem){++++}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:267
 #1: ffffc900004552e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x21d/0x1b30 drivers/tty/n_tty.c:2156
2 locks held by getty/1752:
 #0: ffff8881cec7f090 (&tty->ldisc_sem){++++}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:267
 #1: ffffc900004692e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x21d/0x1b30 drivers/tty/n_tty.c:2156
2 locks held by getty/1753:
 #0: ffff8881cf3d5090 (&tty->ldisc_sem){++++}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:267
 #1: ffffc9000045d2e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x21d/0x1b30 drivers/tty/n_tty.c:2156
2 locks held by getty/1754:
 #0: ffff8881cf3d6090 (&tty->ldisc_sem){++++}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:267
 #1: ffffc900004652e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x21d/0x1b30 drivers/tty/n_tty.c:2156
2 locks held by getty/1755:
 #0: ffff8881cf3d7090 (&tty->ldisc_sem){++++}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:267
 #1: ffffc9000046d2e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x21d/0x1b30 drivers/tty/n_tty.c:2156
2 locks held by getty/1756:
 #0: ffff8881cf0c9090 (&tty->ldisc_sem){++++}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:267
 #1: ffffc9000043d2e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x21d/0x1b30 drivers/tty/n_tty.c:2156
6 locks held by kworker/1:4/4521:
 #0: ffff8881d8832928 ((wq_completion)usb_hub_wq){+.+.}, at: __write_once_size include/linux/compiler.h:226 [inline]
 #0: ffff8881d8832928 ((wq_completion)usb_hub_wq){+.+.}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
 #0: ffff8881d8832928 ((wq_completion)usb_hub_wq){+.+.}, at: atomic64_set include/asm-generic/atomic-instrumented.h:855 [inline]
 #0: ffff8881d8832928 ((wq_completion)usb_hub_wq){+.+.}, at: atomic_long_set include/asm-generic/atomic-long.h:40 [inline]
 #0: ffff8881d8832928 ((wq_completion)usb_hub_wq){+.+.}, at: set_work_data kernel/workqueue.c:615 [inline]
 #0: ffff8881d8832928 ((wq_completion)usb_hub_wq){+.+.}, at: set_work_pool_and_clear_pending kernel/workqueue.c:642 [inline]
 #0: ffff8881d8832928 ((wq_completion)usb_hub_wq){+.+.}, at: process_one_work+0x82a/0x1620 kernel/workqueue.c:2235
 #1: ffff8881caa77dd0 ((work_completion)(&hub->events)){+.+.}, at: process_one_work+0x85e/0x1620 kernel/workqueue.c:2239
 #2: ffff8881d4d9a200 (&dev->mutex){....}, at: device_lock include/linux/device.h:771 [inline]
 #2: ffff8881d4d9a200 (&dev->mutex){....}, at: hub_event+0x1be/0x4300 drivers/usb/core/hub.c:5505
 #3: ffff8881d4d9c540 (&port_dev->status_lock){+.+.}, at: usb_lock_port drivers/usb/core/hub.c:3004 [inline]
 #3: ffff8881d4d9c540 (&port_dev->status_lock){+.+.}, at: hub_port_connect drivers/usb/core/hub.c:5122 [inline]
 #3: ffff8881d4d9c540 (&port_dev->status_lock){+.+.}, at: hub_port_connect_change drivers/usb/core/hub.c:5331 [inline]
 #3: ffff8881d4d9c540 (&port_dev->status_lock){+.+.}, at: port_event drivers/usb/core/hub.c:5477 [inline]
 #3: ffff8881d4d9c540 (&port_dev->status_lock){+.+.}, at: hub_event+0x1fae/0x4300 drivers/usb/core/hub.c:5559
 #4: ffff8881d4d12460 (hcd->address0_mutex){+.+.}, at: hub_port_init+0x1b6/0x2e60 drivers/usb/core/hub.c:4546
 #5: ffff8881db334618 (&rq->lock){-.-.}, at: rq_lock kernel/sched/sched.h:1215 [inline]
 #5: ffff8881db334618 (&rq->lock){-.-.}, at: __schedule+0x21c/0x1d80 kernel/sched/core.c:4028
2 locks held by syz-executor.0/4640:
 #0: ffff8881d930e148 (&evdev->mutex){+.+.}, at: evdev_close_device drivers/input/evdev.c:425 [inline]
 #0: ffff8881d930e148 (&evdev->mutex){+.+.}, at: evdev_release+0xeb/0x1c0 drivers/input/evdev.c:466
 #1: ffff8881c90ae2a8 (&dev->mutex#2){+.+.}, at: input_close_device+0x42/0x1a0 drivers/input/input.c:673
3 locks held by kworker/0:7/6403:
1 lock held by syz-executor.3/7128:
 #0: ffff8881d930e148 (&evdev->mutex){+.+.}, at: evdev_open_device drivers/input/evdev.c:407 [inline]
 #0: ffff8881d930e148 (&evdev->mutex){+.+.}, at: evdev_open+0x295/0x4f0 drivers/input/evdev.c:496

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

NMI backtrace for cpu 0
CPU: 0 PID: 22 Comm: khungtaskd Not tainted 5.6.0-rc3-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0xef/0x16e lib/dump_stack.c:118
 nmi_cpu_backtrace.cold+0x70/0xb1 lib/nmi_backtrace.c:101
 nmi_trigger_cpumask_backtrace+0x1db/0x207 lib/nmi_backtrace.c:62
 trigger_all_cpu_backtrace include/linux/nmi.h:146 [inline]
 check_hung_uninterruptible_tasks kernel/hung_task.c:205 [inline]
 watchdog+0xa99/0xfd0 kernel/hung_task.c:289
 kthread+0x318/0x420 kernel/kthread.c:255
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:352
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 78 Comm: kworker/1:1 Not tainted 5.6.0-rc3-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: usb_hub_wq hub_event
RIP: 0010:rq_clock_skip_update kernel/sched/sched.h:1112 [inline]
RIP: 0010:check_preempt_curr+0x1f3/0x340 kernel/sched/core.c:1445
Code: 00 49 8b 06 a8 08 0f 84 39 ff ff ff 48 c7 c0 74 0f e6 87 48 ba 00 00 00 00 00 fc ff df 48 89 c1 83 e0 07 48 c1 e9 03 83 c0 03 <0f> b6 14 11 38 d0 7c 08 84 d2 0f 85 e6 00 00 00 8b 05 8b 58 c7 06
RSP: 0018:ffff8881db309cb0 EFLAGS: 00000002
RAX: 0000000000000007 RBX: ffff8881db334600 RCX: 1ffffffff0fcc1ee
RDX: dffffc0000000000 RSI: 0000000000000008 RDI: ffff8881d8d0c980
RBP: ffffffff85e6a2c0 R08: ffff8881db334fa0 R09: ffffed103b1a1931
R10: ffffed103b1a1930 R11: ffff8881d8d0c987 R12: ffffffff85e6a2c0
R13: ffff8881db309da0 R14: ffff8881d8d0c980 R15: ffff8881db334600
FS:  0000000000000000(0000) GS:ffff8881db300000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fe04efae000 CR3: 00000001cb694000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 ttwu_do_wakeup+0x18/0x530 kernel/sched/core.c:2215
 ttwu_queue kernel/sched/core.c:2405 [inline]
 try_to_wake_up+0xa86/0x1690 kernel/sched/core.c:2639
 hrtimer_wakeup+0x43/0x60 kernel/time/hrtimer.c:1769
 __run_hrtimer kernel/time/hrtimer.c:1517 [inline]
 __hrtimer_run_queues+0x32c/0xd20 kernel/time/hrtimer.c:1579
 hrtimer_interrupt+0x2e8/0x730 kernel/time/hrtimer.c:1641
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1119 [inline]
 smp_apic_timer_interrupt+0xfe/0x540 arch/x86/kernel/apic/apic.c:1144
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:829
 </IRQ>
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/irqflags.h:85 [inline]
RIP: 0010:console_trylock_spinning kernel/printk/printk.c:1751 [inline]
RIP: 0010:vprintk_emit+0x3c8/0x3d0 kernel/printk/printk.c:1995
Code: 00 83 fb ff 75 d6 e9 e0 fc ff ff e8 12 04 16 00 e8 0d 4c 1b 00 41 56 9d e9 b6 fd ff ff e8 00 04 16 00 e8 fb 4b 1b 00 41 56 9d <e9> 2a ff ff ff 0f 1f 00 55 48 89 f5 53 48 89 fb e8 e3 03 16 00 49
RSP: 0018:ffff8881d8ebf2b0 EFLAGS: 00000212 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000007 RBX: 0000000000000200 RCX: 0000000000000006
RDX: 0000000000000000 RSI: ffff8881d8d0d248 RDI: ffff8881d8d0d1cc
RBP: ffff8881d8ebf2f8 R08: ffff8881d8d0c980 R09: fffffbfff1266c8f
R10: fffffbfff1266c8e R11: ffffffff89336477 R12: 000000000000001e
R13: ffff8881da27c980 R14: 0000000000000212 R15: 0000000000000000
 dev_vprintk_emit+0x4fc/0x541 drivers/base/core.c:3603
 dev_printk_emit+0xba/0xf1 drivers/base/core.c:3614
 __dev_printk+0x1db/0x203 drivers/base/core.c:3626
 _dev_warn+0xd7/0x109 drivers/base/core.c:3670
 usb_set_configuration.cold+0x16c/0x1c0 drivers/usb/core/message.c:1833
 usb_generic_driver_probe+0x9d/0xe0 drivers/usb/core/generic.c:241
 usb_probe_device+0xd9/0x230 drivers/usb/core/driver.c:272
 really_probe+0x290/0xac0 drivers/base/dd.c:551
 driver_probe_device+0x223/0x350 drivers/base/dd.c:724
 __device_attach_driver+0x1d1/0x290 drivers/base/dd.c:831
 bus_for_each_drv+0x162/0x1e0 drivers/base/bus.c:431
 __device_attach+0x217/0x390 drivers/base/dd.c:897
 bus_probe_device+0x1e4/0x290 drivers/base/bus.c:491
 device_add+0x1459/0x1bf0 drivers/base/core.c:2487
 usb_new_device.cold+0x540/0xcd0 drivers/usb/core/hub.c:2544
 hub_port_connect drivers/usb/core/hub.c:5191 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5331 [inline]
 port_event drivers/usb/core/hub.c:5477 [inline]
 hub_event+0x21cb/0x4300 drivers/usb/core/hub.c:5559
 process_one_work+0x94b/0x1620 kernel/workqueue.c:2264
 worker_thread+0x96/0xe20 kernel/workqueue.c:2410
 kthread+0x318/0x420 kernel/kthread.c:255
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:352