INFO: task kworker/0:6:4381 blocked for more than 143 seconds.
Not tainted 5.19.0-syzkaller-13666-gffcf9c5700e4 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:6 state:D stack:24120 pid: 4381 ppid: 2 flags:0x00004000
Workqueue: usb_hub_wq hub_event
Call Trace:
context_switch kernel/sched/core.c:5182 [inline]
__schedule+0x93f/0x26f0 kernel/sched/core.c:6494
schedule+0xda/0x1b0 kernel/sched/core.c:6570
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6629
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0xa44/0x1350 kernel/locking/mutex.c:747
input_disconnect_device drivers/input/input.c:784 [inline]
__input_unregister_device+0x24/0x470 drivers/input/input.c:2234
input_unregister_device+0xb4/0xf0 drivers/input/input.c:2429
iforce_usb_disconnect+0x5e/0xf0 drivers/input/joystick/iforce/iforce-usb.c:261
usb_unbind_interface+0x1d8/0x8e0 drivers/usb/core/driver.c:458
device_remove drivers/base/dd.c:520 [inline]
device_remove+0x11f/0x170 drivers/base/dd.c:512
__device_release_driver drivers/base/dd.c:1209 [inline]
device_release_driver_internal+0x4a1/0x700 drivers/base/dd.c:1235
bus_remove_device+0x2e3/0x590 drivers/base/bus.c:529
device_del+0x4f3/0xc80 drivers/base/core.c:3704
usb_disable_device+0x356/0x7a0 drivers/usb/core/message.c:1419
usb_disconnect.cold+0x259/0x6ed drivers/usb/core/hub.c:2235
hub_port_connect drivers/usb/core/hub.c:5197 [inline]
hub_port_connect_change drivers/usb/core/hub.c:5497 [inline]
port_event drivers/usb/core/hub.c:5653 [inline]
hub_event+0x1f86/0x4610 drivers/usb/core/hub.c:5735
process_one_work+0x991/0x1610 kernel/workqueue.c:2289
process_scheduled_works kernel/workqueue.c:2352 [inline]
worker_thread+0x854/0x1080 kernel/workqueue.c:2438
kthread+0x2ea/0x3a0 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306
Showing all locks held in the system:
1 lock held by rcu_tasks_kthre/11:
#0: ffffffff87a94410 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x26/0xc70 kernel/rcu/tasks.h:507
1 lock held by khungtaskd/25:
#0: ffffffff87a94f60 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x260 kernel/locking/lockdep.c:6492
2 locks held by kworker/0:2/71:
#0: ffff888100064d38
((wq_completion)events){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
((wq_completion)events){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
((wq_completion)events){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
((wq_completion)events){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline]
((wq_completion)events){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline]
((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x87a/0x1610 kernel/workqueue.c:2260
#1: ffffc90001057da8 ((work_completion)(&fw_work->work)){+.+.}-{0:0}, at: process_one_work+0x8ae/0x1610 kernel/workqueue.c:2264
3 locks held by kworker/0:3/1140:
#0: ffff8881001c5d38 ((wq_completion)pm){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
#0: ffff8881001c5d38 ((wq_completion)pm){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
#0: ffff8881001c5d38 ((wq_completion)pm){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
#0: ffff8881001c5d38 ((wq_completion)pm){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline]
#0: ffff8881001c5d38 ((wq_completion)pm){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline]
#0: ffff8881001c5d38 ((wq_completion)pm){+.+.}-{0:0}, at: process_one_work+0x87a/0x1610 kernel/workqueue.c:2260
#1: ffffc90002d4fda8 ((work_completion)(&hcd->wakeup_work)){+.+.}-{0:0}, at: process_one_work+0x8ae/0x1610 kernel/workqueue.c:2264
#2: ffff88810f2ea190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:835 [inline]
#2: ffff88810f2ea190 (&dev->mutex){....}-{3:3}, at: usb_remote_wakeup+0x1f/0xe0 drivers/usb/core/hub.c:3737
2 locks held by acpid/1165:
#0: ffff88811a5d1110 (&evdev->mutex){+.+.}-{3:3}, at: evdev_close_device drivers/input/evdev.c:411 [inline]
#0: ffff88811a5d1110 (&evdev->mutex){+.+.}-{3:3}, at: evdev_release+0x299/0x410 drivers/input/evdev.c:456
#1: ffff888109be92c0 (&dev->mutex#2){+.+.}-{3:3}, at: input_close_device+0x42/0x1f0 drivers/input/input.c:726
2 locks held by getty/1239:
#0: ffff88810020c098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:244
#1: ffffc900000432f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xef0/0x13e0 drivers/tty/n_tty.c:2177
3 locks held by kworker/1:6/4176:
5 locks held by kworker/1:7/4249:
5 locks held by kworker/0:5/4361:
#0: ffff888109ca8d38 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
#0: ffff888109ca8d38 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
#0: ffff888109ca8d38 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
#0: ffff888109ca8d38 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline]
#0: ffff888109ca8d38 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline]
#0: ffff888109ca8d38 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x87a/0x1610 kernel/workqueue.c:2260
#1: ffffc9000ca77da8 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x8ae/0x1610 kernel/workqueue.c:2264
#2: ffff88810f3ba190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:835 [inline]
#2: ffff88810f3ba190 (&dev->mutex){....}-{3:3}, at: hub_event+0x1bc/0x4610 drivers/usb/core/hub.c:5681
#3: ffff888114e67190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:835 [inline]
#3: ffff888114e67190 (&dev->mutex){....}-{3:3}, at: __device_attach+0x76/0x530 drivers/base/dd.c:948
#4: ffff888109b9e118 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:835 [inline]
#4: ffff888109b9e118 (&dev->mutex){....}-{3:3}, at: __device_attach+0x76/0x530 drivers/base/dd.c:948
6 locks held by kworker/0:6/4381:
#0: ffff888109ca8d38 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
#0: ffff888109ca8d38 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
#0: ffff888109ca8d38 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
#0: ffff888109ca8d38 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline]
#0: ffff888109ca8d38 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline]
#0: ffff888109ca8d38 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x87a/0x1610 kernel/workqueue.c:2260
#1: ffffc9000cb3fda8 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x8ae/0x1610 kernel/workqueue.c:2264
#2: ffff88810f302190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:835 [inline]
#2: ffff88810f302190 (&dev->mutex){....}-{3:3}, at: hub_event+0x1bc/0x4610 drivers/usb/core/hub.c:5681
#3: ffff88810bb06190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:835 [inline]
#3: ffff88810bb06190 (&dev->mutex){....}-{3:3}, at: usb_disconnect.cold+0x43/0x6ed drivers/usb/core/hub.c:2226
#4: ffff88810e26b118 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:835 [inline]
#4: ffff88810e26b118 (&dev->mutex){....}-{3:3}, at: __device_driver_lock drivers/base/dd.c:1038 [inline]
#4: ffff88810e26b118 (&dev->mutex){....}-{3:3}, at: device_release_driver_internal+0xa0/0x700 drivers/base/dd.c:1232
#5: ffff888109be92c0 (&dev->mutex#2){+.+.}-{3:3}, at: input_disconnect_device drivers/input/input.c:784 [inline]
#5: ffff888109be92c0 (&dev->mutex#2){+.+.}-{3:3}, at: __input_unregister_device+0x24/0x470 drivers/input/input.c:2234
1 lock held by udevd/4726:
#0: ffff88811a5d1110 (&evdev->mutex){+.+.}-{3:3}, at: evdev_open_device drivers/input/evdev.c:393 [inline]
#0: ffff88811a5d1110 (&evdev->mutex){+.+.}-{3:3}, at: evdev_open+0x2f3/0x6a0 drivers/input/evdev.c:487
=============================================
NMI backtrace for cpu 1
CPU: 1 PID: 25 Comm: khungtaskd Not tainted 5.19.0-syzkaller-13666-gffcf9c5700e4 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2022
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:106
nmi_cpu_backtrace.cold+0x46/0x14f lib/nmi_backtrace.c:111
nmi_trigger_cpumask_backtrace+0x206/0x250 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:148 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:212 [inline]
watchdog+0xc18/0xf50 kernel/hung_task.c:369
kthread+0x2ea/0x3a0 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 1306 Comm: syz-executor.1 Not tainted 5.19.0-syzkaller-13666-gffcf9c5700e4 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2022
RIP: 0010:__exit_to_user_mode kernel/entry/common.c:134 [inline]
RIP: 0010:syscall_exit_to_user_mode+0x2e/0x50 kernel/entry/common.c:296
Code: e8 07 e0 3f fb 9c 58 fa f6 c4 02 75 34 48 89 ef e8 e7 e4 3f fb e8 92 fd 58 fb e8 fd 3f 36 fb eb 14 66 90 0f 00 2d 22 26 56 00 <48> 8b 7c 24 08 5d e9 07 f8 ff ff bf 02 00 00 00 e8 dd 07 00 00 eb
RSP: 0018:ffffc90001127f30 EFLAGS: 00000046
RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff85f37b15
RDX: ffffed103ed066ea RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90001127f58 R08: 0000000000000001 R09: ffff8881f683374b
R10: ffffed103ed066e9 R11: 0000000000000001 R12: ffffc90001127f58
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
FS: 000055555662e400(0000) GS:ffff8881f6800000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020001c00 CR3: 0000000133a94000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
do_syscall_64+0x42/0xb0 arch/x86/entry/common.c:86
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fcdc9621f4a
Code: 83 ff 03 74 3b 48 83 ec 28 b8 fa ff ff ff 83 ff 02 49 89 ca 0f 44 f8 64 8b 04 25 18 00 00 00 85 c0 75 2d b8 e6 00 00 00 0f 05 <89> c2 f7 da 3d 00 f0 ff ff b8 00 00 00 00 0f 47 c2 48 83 c4 28 c3
RSP: 002b:00007ffddcb44d50 EFLAGS: 00000246 ORIG_RAX: 00000000000000e6
RAX: 0000000000000000 RBX: 0000000000000262 RCX: 00007fcdc9621f4a
RDX: 00007ffddcb44d90 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007ffddcb44e1c R08: 00000000000001a7 R09: 00007ffddcb51080
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000032
R13: 000000000006725b R14: 0000000000000002 R15: 00007ffddcb44e80